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two-stage reimplantation for the treatment of deep infection after shoulder arthroplasty.two-stage reimplantation is the most common treatment modality considered for periprosthetic shoulder infection (psi). most studies to date have reported on a relatively small number of shoulders. the purpose of this study was to determine the outcome of 2-stage reimplantation for psi in terms of both eradication of infection and restoration of function.201728751093
characterization of a propionibacterium acnes surface protein as a fibrinogen-binding protein.propionibacterium acnes (p. acnes) is a major skin-associated bacterium that was long considered commensal, until several studies revealed it to be an opportunistic pathogen. we investigated the ability of p. acnes surface proteins to recognize ecm proteins and showed that a 58 kda p. acnes surface protein was specifically recognized by human fibrinogen (hfg). the 58 kda protein was further characterized by two-dimensional (2-d) electrophoresis and maldi-tof as a p. acnes host cell-surface attac ...201728743910
preoperative doxycycline does not decolonize propionibacterium acnes from the skin of the shoulder: a randomized controlled trial.propionibacterium acnes is frequently cultured in patients undergoing both primary and revision shoulder surgery. the purpose of this study was to evaluate the efficacy and safety of preoperative oral administration of doxycycline in decreasing the colonization of skin around the shoulder by p. acnes.201728734717
optimization of genotypic and biochemical methods to profile p. acnes isolates from a patient population.propionibacterium acnes is a key factor in the pathogenesis of acne vulgaris, although currently it is also being associated with medical-device infections. the aim of this work was to validate a safe and quick identification and typing of 24 clinical isolates of propionibacterium acnes, applying a range of biochemical as well as genetic methods, and investigating the pathogenic potential to associate the different types with human health. rapd-pcrs revealed the existence of two discernible clus ...201728732695
involvement of adenosine triphosphate-binding cassette subfamily b member 1 in the augmentation of triacylglycerol excretion by propionibacterium acnes in differentiated hamster sebocytes.an onset of acne, a common inflammatory skin disease, is associated with excess sebum production and secretion in sebaceous glands. because propionibacterium acnes has been reported to augment intracellular sebum accumulation in sebaceous glands in hamsters, it remains unclear whether p. acnes influences sebum secretion from differentiated sebocytes. both p. acnes culture media (acnes73-cm) and formalin-killed p. acnes (f-acnes73) dose-dependently increased the extracellular levels of triacylgly ...201728714181
the distribution of infection with propionibacterium acnes is equal in patients with cervical and lumbar disc herniation.cervical and back pains are important clinical problems affecting human populations globally. it is suggested that propionibacterium acnes (p. acnes) is associated with disc herniation. the aim of this study is to evaluate the distribution of p. acnes infection in the cervical and lumbar disc material obtained from patients with disc herniation.201728712017
current treatments of acne: medications, lights, lasers, and a novel 650-μs 1064-nm nd: yag laser.the treatment of acne, especially severe acne, remains a challenge to dermatologists. therapies include retinoids, antibiotics, hormones, lights, lasers, and various combinations of these modalities. acne is currently considered a chronic rather than an adolescent condition. the appropriate treatment depends on the patient and the severity of disease. the purpose of this study was to review current therapies for acne of all severities and to introduce the 650-μs 1064-nm laser for the treatment o ...201728703382
[diagnosis of periprosthetic joint infection of shoulder arthroplasties].periprosthetic joint infection of shoulder arthroplasties is one of the most frequent reasons for pain and revision surgery of shoulder arthroplasties. propionibacterium acnes is one of the commonest microorganisms causing periprosthetic joint infection in shoulder arthroplasties. it is difficult to detect this slow growing microorganism. this paper gives an overview of the different diagnostic methods. a combination of unspecific and specific tests (detection of microorganism and sensitivity to ...201728701012
combined photodynamic and antibiotic therapy for skin disorder via lipase-sensitive liposomes with enhanced antimicrobial performance.a lipase-sensitive singlet oxygen-producible and erythromycin-loaded liposome (lsspl) was developed for combination antibacterial therapy for skin disorder. the lsspl was synthesized by coating pullulan-pheophorbide a (pu-pheo a) conjugates onto erythromycin-loaded liposomes composed of 1,2-dipalmitoyl-sn-phosphatidylcholine (dppc) and cholesterol. lipase activity was chosen as the environmental-stimulus for the controlled release of erythromycin and pheo a from lsspl because skin inflammation-i ...201728697465
association between post-craniotomy propionibacterium acnes infection and dural implants: a case-control study.in 2011, 15 deep-seated propionibacterium acnes infections were identified in patients following craniotomies in a hospital in the uk.201728694086
propionibacterium acnes host inflammatory response during periprosthetic infection is joint specific.propionibacterium acnes (p. acnes) has become increasingly recognized as a cause of periprosthetic joint infection (pji).201728690466
immunohistochemical identification of propionibacterium acnes in granuloma and inflammatory cells of myocardial tissues obtained from cardiac sarcoidosis patients.although rare, cardiac sarcoidosis (cs) is potentially fatal. early diagnosis and intervention are essential, but histopathologic diagnosis is limited. we aimed to detect propionibacterium acnes, a commonly implicated etiologic agent of sarcoidosis, in myocardial tissues obtained from cs patients.201728686683
a case of bilateral hilar and mediastinal lymphadenopathy developing during treatment for mycobacterium avium complex.we report a rare case of an immunocompetent patient with mycobacterium avium complex (mac) disease in which bilateral hilar lymphadenopathy developed during anti-mac treatment. this case indicates that propionibacterium acnes would be present and might be a cause of sarcoidosis even in patients with mac.201728680616
combination of benzoyl peroxide 5% gel with liquid cleanser and moisturizer spf 30 in acne treatment results in high levels of subject satisfaction, good adherence and favorable tolerability.skin care products (cleansers and moisturizers) to complement benzoyl peroxide (bpo) in the treatment of acne may improve treatment tolerability and adherence.201728678647
acne.acne is a chronic disease with a high prevalence among adolescents. key pathogenetic factors (and their clinical correlates) are increased sebum production (seborrhea), follicular hyperkeratosis (comedones), and perifollicular inflammation (papules and pustules). the disease is modulated by a variety of endogenous (androgens, igf-1, neuroendocrine factors) and exogenous (propionibacterium acnes, diet, friction, ingredients of medical or cosmetic topical products) triggers. acne is associated wit ...201728677199
akne.akne ist eine chronische erkrankung mit hoher prävalenz unter jugendlichen. pathogenetische hauptfaktoren (und ihre klinischen korrelate) sind gesteigerte talgproduktion (seborrhoe), follikuläre hyperkeratose (komedonen) und perifollikuläre entzündungsvorgänge (papulopusteln). die krankheit wird von endogenen (androgene, igf-1, neuroendokrine faktoren) und exogenen (propionibacterium acnes, diät, mechanische irritation, inhaltsstoffe medizinischer oder kosmetischer externa) einflüssen moduliert. ...201728677193
difficult-to-detect low-grade infections responsible for poor outcomes in total knee arthroplasty.in this article, we present the case of a patient with a stiff, painful knee after total knee arthroplasty, and with erythrocyte sedimentation rate, c-reactive protein level, and synovial fluid analysis within normal limits. open biopsy for cultures showed propionibacterium acnes prosthetic joint infection, which was successfully treated with 2-stage revision and intravenous antibiotics.201728666043
olumacostat glasaretil, a promising topical sebum-suppressing agent that affects all major pathogenic factors of acne vulgaris.hunt et al. show that olumacostat glasaretil, an inhibitor of acetyl coenzyme a carboxylase, reduces saturated and monounsaturated fatty acyl chains in sebaceous lipids. topical olumacostat glasaretil application decreases hamster ear sebaceous gland size and shows efficacy in treating patients with acne vulgaris. olumacostat glasaretil-mediated sebum suppression may reduce propionibacterium acnes growth and biofilm formation, comedogenesis, and inflammation.201728647025
sebum lipids influence macrophage polarization and activation.as lipids are known to regulate macrophage functions it is reasonable to suppose that a sebocyte - macrophage axis mediated by sebum lipids may exist.201728646583
propionibacterium acnes pleural empyema following medical thoracoscopy.propionibacterium acnes (p. acnes) is a gram-positive anaerobic rod and a common skin commensal that colonizes sebaceous glands. it has infrequently been associated with invasive opportunistic infections and can cause implant-associated infections through a biofilm mode of growth. medical thoracoscopy is a common procedure for diagnosis and treatment of exudative pleural effusions; empyema is a recognized complication. we present a rare case of p. acnes pleural empyema 3 weeks following medical ...201728638619
isotretinoin and lymecycline treatments modify the skin microbiota in acne.oral retinoids and tetracyclines have a major role in acne treatment. here, we report for the first time the effect of isotretinoin and lymecycline therapy on the skin microbiota in cheek, back and armpit swab samples of acne vulgaris patients using 16s ribosomal rna (16s rrna) gene amplicon sequencing. propionibacterium acnes was the most common in sebaceous areas of healthy and untreated acne skin and more abundant in back than cheek samples. five taxa, including a streptococcus taxon, differe ...201728636791
antibiotic resistance in acne treatment.what is the evidence for antibiotic resistance in acne, and how does resistance affect treatment?201728636689
tumour necrosis factor (tnf) inhibitor-induced isolated pleural granulomas: a rare adverse effect.a 53-year-old man with a history of crohn's disease on infliximab, presented with several weeks of cough and dyspnoea. he had a right-sided pleural effusion, found to be exudative with lymphocytic predominance. he underwent right-sided video-assisted thoracic surgery (vats) with biopsies and pleurodesis. histopathology showed pleural-based non-caseating granulomas with unremarkable lung parenchyma. cultures were only positive for propionibacterium acnes 8 months later, he was found to have a lef ...201728630242
accumulation of porphyrins in propionibacterium acnes by 5-aminolevulinic acid and its esters.we have investigated the accumulation of porphyrins in propionibacterium acnes (p.acnes) by 5-aminolevulinic acid hydrochloride (ala) and its esters, ala methyl ester hydrochloride (mala), ala octyl ester hydrochloride (oala), and ala benzyl ester hydrochloride (bala). from the fluorescence spectra of porphyrins accumulated in p.acnes, the order of porphyrin accumulation is as follows: ala≫mala≈bala>oala (≈0). moreover, the pdt efficacy is reduced in the order of ala>mala≈bala>oala (≈without add ...201728624551
antimicrobial susceptibility and phylogenetic analysis of propionibacterium acnes isolated from acne patients in japan between 2013 and 2015.the prevalence of antimicrobial-resistant propionibacterium acnes strains isolated from acne patients has been increasing in japan. here, to estimate the current resistance rate, we tested antimicrobial susceptibility among p. acnes from acne patients having visited a specialized dermatology clinic between 2013 and 2015. rates of resistance to macrolides and clindamycin were 44.3 (31/70) and 38.6% (27/70), respectively. erm(x), which confers high-level clindamycin resistance (minimum inhibitory ...201728623856
temporomandibular prosthetic joint infections associated with propionibacterium acnes: a case series, and a review of the literature.the orthopedic literature has shown an increasing incidence of prosthetic joint infections (pjis) associated with propionibacterium acnes (p acnes). these infections present serious diagnostic and management challenges to the treating surgeons. in this review, the authors report on cases of p acnes-related temporomandibular joint (tmj) pjis that have been diagnosed and treated at their institution.201728623686
propionibacterium acnes is an unusual cause of acute scrotal abscess in a preterm infant.acute scrotal abscess is an extremely rare condition in neonates and may mimic testicular torsion. most of these abscesses have reportedly been due to staphylococcus and salmonella spp. infections. we herein report a unilateral acute scrotal abscess in a preterm infant born at 26 weeks in whom propionibacterium acnes was isolated from the collected scrotal fluid culture. to our knowledge, this is the first case report implicating p. acnes as a causative agent of neonatal scrotal abscess. based o ...201728620560
a comparison of culture and pcr methods for identifying propionibacterium acnes in lesions isolated from patients with acne.one of the factors that affect the occurrence of acne is the presence of propionibacterium acnes. the present study was conducted to compare the culture and polymerase chain reaction (pcr) methods for identifying p. acnes in lesions isolated from patients with acne.201728618752
a polycation antimicrobial peptide mimic without resistance buildup against propionibacterium acnes.a preliminary study is reported for a polycation antimicrobial peptide (amp) mimic against propionibacterium acnes, which is associated with acne vulgaris, a common skin condition. antibiotics are commonly used against p. acnes but buildup of resistance is well-known. worse, antibiotic regimens build up resistance for more sensitive bacteria such as staphylococcus epidermidis. the polycation amp mimic c12-50, 1, is chosen for the present study as it has been previously shown to have high antimic ...201728605136
in vitro emergence of fluoroquinolone resistance in cutibacterium (formerly propionibacterium) acnes and molecular characterization of mutations in the gyra gene.in vitro occurrence of levofloxacin (lvx) resistance in c. acnes and characterization of its molecular background were investigated. the mutation frequency was determined by inoculation of 10(8) cfu of c. acnes atcc 11827 (lvx mic = 0.25 mg/l) on lvx-containing agar plates. the progressive emergence of resistance was studied by a second exposure to increasing lvx concentrations. for mutants, the qrdr regions including the gyra and parc genes were sequenced and compared to both c. acnes atcc 1182 ...201728602804
erratum to: high incidence of periprosthetic joint infection with propionibacterium acnes after the use of a stemless shoulder prosthesis with metaphyseal screw fixation - a retrospective cohort study of 241 patients propionibacter infections after eclipse tsa. 201728595609
genetic architecture of acne vulgaris.acne vulgaris is a ubiquitary skin disease characterized by chronic inflammation of the pilosebaceous unit resulting from bacterial colonization of hair follicles by propionibacterium acnes, androgen-induced increased sebum production, altered keratinization and inflammation.201728593717
an unusual pathogen causing native valve endocarditis.we present the case of a gentleman who was being evaluated for restrictive lung disease and was incidentally found to have mitral valve stenosis on an hrct. during the surgical procedure for valve replacement, he was found to have an abscess around the native mitral valve which was drained. pus from the abscess as well as the valve tissue grew propionibacterium acnes after holding the cultures long. the patient was treated with iv ceftriaxone with good response to therapy. while propionibacteriu ...201728586598
detection of the relatively slow-growing propionibacterium acnes in seven matrices of blood components and advanced therapeutical medicinal products.relatively slow-growing bacteria like propionibacterium acnes represent a challenge for quality control investigations in sterility release testing of blood components and advanced therapeutic medicinal products (atmps).201728571932
endocrine disorders and hormonal therapy for adolescent acne.acne vulgaris is a global disease with increasing prevalence in adolescents. it has a profound impact on their quality of life, especially when endocrine disorders are also involved. recent concerns regarding antibiotic stewardship, failures with antibiotic usage, and the development of antibiotic-resistant propionibacterium acnes have led clinicians to consider other therapeutic options for acne treatment. the present review explores hormonal therapies for the treatment of acne vulgaris.201728562419
effect of propionibacterium acnes (pa) injection on intervertebral disc degeneration in a rat model: does it mimic modic changes?multiple reports of bacterial isolates in human disc tissue have suggested a role of low-grade infection on intervertebral disc degeneration and modic changes (mc) generation. animal models have been extensively used to study idd; however, until recently, no consideration had been given to eventual infectious processes. to reproduce the phenomena by inoculating an infecting agent would support the infectious hypothesis. therefore, we studied the effect of propionibacterium acnes (pa) inoculation ...201728552835
commercial essential oils as potential antimicrobials to treat skin diseases.essential oils are one of the most notorious natural products used for medical purposes. combined with their popular use in dermatology, their availability, and the development of antimicrobial resistance, commercial essential oils are often an option for therapy. at least 90 essential oils can be identified as being recommended for dermatological use, with at least 1500 combinations. this review explores the fundamental knowledge available on the antimicrobial properties against pathogens respo ...201728546822
the follicular skin microbiome in patients with hidradenitis suppurativa and healthy controls.although the pathogenesis of hidradenitis suppurativa (hs) remains enigmatic, several factors point to potential involvement of the cutaneous microbiome. insight into the cutaneous microbiome in hs using next-generation sequencing may provide novel data on the microbiological diversity of the skin.201728538949
response to: can 16s rrna pcr be the solution for a rapid detection of propionibacterium acnes in surgical shoulder or spine samples? comments on "a rapid method for detecting propionibacterium acnes in surgical biopsy specimens from the shoulder". 201728526425
can 16s rrna pcr be the solution for a rapid detection of propionibacterium acnes in surgical shoulder or spine samples? comments on "a rapid method for detecting propionibacterium acnes in surgical biopsy specimens from the shoulder". 201728526424
high incidence of periprosthetic joint infection with propionibacterium acnes after the use of a stemless shoulder prosthesis with metaphyseal screw fixation - a retrospective cohort study of 241 patients propionibacter infections after eclipse tsa.a stemless shoulder prosthesis with humeral metaphyseal screw fixation was introduced in order to save bone-stock and to facilitate reconstruction of biomechanics (eclipse®). the aim of this study was to analyze whether the risk of infection is different with this implant compared to conventional shoulder prosthesis.201728526023
periprosthetic shoulder infection: an overview.periprosthetic shoulder infection (psi) is rare but potentially devastating. the rate of psi is increased in cases of revision procedures, reverse shoulder implants and co-morbidities. one specific type of psi is the occurrence of low-grade infections caused by non-suppurative bacteria such as propionibacterium acnes or staphylococcus epidemermidis.success of treatment depends on micro-organism identification, appropriate surgical procedures and antibiotic administration efficiency. post-operati ...201728507783
sapho, autophagy, il-1, foxo1, and propionibacterium (cutibacterium) acnes.overt infection by propionibacterium acnes is lacking in many sapho syndromes, and antibiotics have only a transient and incomplete effect, either in sapho syndrome or acne. as several auto-inflammatory bone disorders sharing overproduction of il-1β can mimic sapho, this syndrome could partly depend on genetically encoded overproduction of il-1β. however, cyclic intracellular infections, mostly by p. acnes, can contribute to the enhanced il-1β release by some skin cells, and probably by bone cel ...201728499891
post-operative spondylodiscitis due to propionibacterium acnes: a case report.post-operative spondylodiscitis due to propionibacterium acnes is rare, with only a few cases reported in the literature. in this article, we report the case of a 76-year-old patient who suffered from spondylodiscitis t12-l1 discovered after 1 month of pain and fever. antibiotic treatment was administered for 6 weeks without revision surgery. diagnosis remains incomplete, and preventive therapy against this infection is not well known. there is no link between immunosuppression and this infectio ...201728495228
delayed manifestation of shunt nephritis: a case report and review of the literature.we present an unusual case of shunt nephritis in a 39-year-old male who presented 21 years after placement of a ventriculoperitoneal (vp) shunt. he complained of fevers, headaches, dizziness, and urticarial plaques on arms, trunks, and legs and was found to have anemia, low complement levels, elevated serum creatinine, proteinuria, and new onset microhematuria. blood and urine cultures were negative. renal biopsy showed features of acute tubulointerstitial nephritis attributed to vancomycin use. ...201728487790
benzoyl peroxide and clindamycin topical skin preparation decreases propionibacterium acnes colonization in shoulder arthroscopy.propionibacterium acnes is a gram-positive anaerobe that can lead to devastating postoperative shoulder infections. the objective of this study was to investigate whether a benzoyl peroxide and clindamycin preoperative skin preparation reduces the incidence of p. acnes colonization during shoulder arthroscopy.201728479255
green synthesis of conjugated linoleic acids from plant oils using a novel synergistic catalytic system.a novel and efficient method has been developed for converting plant oil into a specific conjugated linoleic acid (cla) using a synergistic biocatalytic system based on immobilized propionibacterium acnes isomerase (pai) and rhizopus oryzae lipase (rol). pai exhibited the greatest catalytic activity when immobilized on d301r anion-exchange resin under optimal conditions (pai dosage of 12 410 u of pai/g of d301r, glutaraldehyde concentration of 0.4%, and reaction conditions of ph 7.0, 25 °c, and ...201728470063
reduction in bacterial load using hypochlorous acid hygiene solution on ocular skin.to examine the magnitude of bacterial load reduction on the surface of the periocular skin 20 minutes after application of a saline hygiene solution containing 0.01% pure hypochlorous acid (hocl).201728458509
tropism and virulence of cutibacterium (formerly propionibacterium) acnes involved in implant-associated infection.the recognition of the pathogenicity of cutibacterium acnes in implant-associated infection is not always obvious. in this paper, we aimed to distinguish pathogenic and non-pathogenic c. acnes isolates. to reach this goal, we investigated the clonal complex (cc) of a large collection of c. acnes clinical isolates through multi-locus sequence typing (mlst), we established a caenorhabditis elegans model to assess c. acnes virulence and we investigated the presence of virulence factors in our colle ...201728454760
a comparative study of cutibacterium (propionibacterium) acnes clones from acne patients and healthy controls.cutibacterium (propionibacterium) acnes is assumed to play an important role in the pathogenesis of acne.201728434779
the microbiome of the prostate tumor microenvironment.the advent of molecular-based methods of identification and characterization of complex microbial populations has led to a new era of microbial discovery. a detailed and comprehensive analysis of the microbial ecosystem of the pathologic and healthy prostate tissues has not been yet reported.201728434677
histological identification of propionibacterium acnes in nonpyogenic degenerated intervertebral discs.purpose. low-virulence anaerobic bacteria, especially the propionibacterium acnes (p. acnes), have been thought to be a new pathogeny for a series of disc diseases. however, until now, there has been no histological evidence to confirm this link. the purpose of this study was to confirm the presence of p. acnes in nonpyogenic intervertebral discs via histological observation. method. degenerated intervertebral discs were harvested from 76 patients with low back pain and/or sciatica but without a ...201728401158
propionibacterium acnes incubation in the discs can result in time-dependent modic changes: a long term rabbit model.a case control study of animal model of modic changes (mcs) on rabbits.201728399545
antibacterial activity of ethanolic extract of cinnamon bark, honey, and their combination effects against acne-causing bacteria.propionibacterium acnes and staphylococcus epidermidis are the major skin bacteria that cause the formation of acne. the present study was conducted to investigate antibacterial activity of ethanolic extract of cinnamon bark, honey, and their combination against acne bacteria. the antibacterial activity of extract of cinnamon bark and honey were investigated against p. acnes and s. epidermidis using disc diffusion. minimum inhibitory concentrations (mics) and minimum bactericidal concentrations ...201728398231
preliminary evidence for vitamin d deficiency in nodulocystic acne.acne vulgaris is a chronic inflammatory disease, and hormonal influences, follicular plugging and follicular hyperkeratinization, increased sebum secretion, propionibacterium acnes colonization, and inflammation are involved in its pathogenesis. recently, a significant body of evidence has accumulated that describes the comedolytic properties of vitamin d and its roles as a modulator of the immune system, a regulator of the proliferation and differentiation of sebocytes and keratinocytes, and as ...201726413187
primary intraocular lymphoma: another great masquerader.to describe diverse and atypical presentations of the most common masquerader in neoplastic masquerade syndromes.201728221644
late onset posttraumatic propionibacterium acnes endophthalmitis.to report a case of late onset posttraumatic endophthalmitis secondary to propionibacterium acnes infection.201728221490
propionibacterium acnes endophthalmitis in ahmed glaucoma valve.to report a case of propionibacterium acnes endophthalmitis in a patient with an ahmed glaucoma valve.201728226111
clinicobacteriological study of acne vulgaris.the aetiological relationship propionibacterium acnes in acne vulgaris has been suggested. a clinicobacteriological study in 45 patients suffering from acne vulgaris was conducted for the first time in indian patients. p acnes could be isolated from 18 (40.0%) and other propionibacterium species from 9 (20.0%) of the 45 patients studied. no correlation of culture positivity with the sex of the patient or duration and grade of the disease could be established, p acnes antibodies were, tested for ...201728223653
mikania glomerata sprengel extract and its major compound ent-kaurenoic acid display activity against bacteria present in endodontic infections.the search for new, effective and safe antimicrobial compounds from plant sources has continued to play an important role in the maintenance of human health since ancient times. such compounds can be used to help to eradicate microorganisms from the root canal system, preventing/healing periapical diseases. mikania glomerata (spreng.), commonly known as "guaco," is a native climbing plant from brazil that displays a wide range of pharmacological properties. many of its activities have been attri ...201728627377
b cell cross-epitope of propionibacterium acnes and actinobacillus pleuropneumonia selected by phage display library can efficiently protect from actinobacillus pleuropneumonia infection.contagious porcine pleuropneumonia (cpp), caused by actinobacillus pleuropneumoniae (app), is a highly transmissible and fatal respiratory illness that causes tremendous economic losses for the pig breeding industry worldwide. propionibacterium acnes (pa) has a strong cross-reaction with anti-app1 and anti-app5 serum and can efficiently prevent app infection, which was fortuitously found in researching the differential gene between the different app serotypes. there seems to be some natural cros ...201728622855
anaerobic bacteria growth in the presence of cathelicidin ll-37 and selected ceragenins delivered as magnetic nanoparticles cargo.cationic antibacterial peptides (caps) and synthetic molecules mimicking the amphiphilic structure of caps, such as ceragenins, are promising compounds for the development of new antimicrobials.201728747178
[effect of silver nanoparticles on anaerobic bacteria].the aim was to evaluate the antibacterial effect of silver nanoparticles on anaerobic bacteria.201728467592
comparative antimicrobial efficacy of selected root canal irrigants on commonly isolated microorganisms in endodontic infection.this study aims to evaluate and compare the antimicrobial efficacy of three selected root canal irrigants (biopure mtad, metronidazole, aztreonam) against microbes commonly isolated from polymicrobial microbiota of root canal infection.201728435359
identification and characterization of multifunctional cationic and amphipathic peptides from soybean proteins.in this study, we identified and chemically synthesized three cationic and amphipathic peptides (glycinin-17, bcas-16, and bcbs-11) from soybean proteins. these peptides had high isoelectric points, high positive net charges, and included multiple hydrophobic amino acids. subsequently, we identified multiple functions of these peptides, including antimicrobial, lipopolysaccharide-neutralizing, and angiogenic activities, and examined their cytotoxic activities against mammalian red blood cells. g ...201728459130
propionibacterium acnes-associated neurosarcoidosis: a case report with review of the literature.a 56-year-old woman with a 3-year history of hydrocephalus and ventriculo-peritoneal shunt placement, presented with worsening altered level of consciousness for 2 days. imaging studies showed severe ventriculomegaly involving the lateral and third ventricles with multiple septated cysts noted in the lateral ventricles predominantly near the frontal horns. histopathologic examination of the excised brain lesion revealed choroid plexus tissue and adjacent cerebral parenchyma with several non-case ...201728856748
whole-body microbiota of sea cucumber (apostichopus japonicus) from south korea for improved seafood management.sea cucumber (apostichopus japonicus) is a popular seafood source in asia, including south korea, and its consumption has recently increased with recognition of its medicinal properties. however, because raw sea cucumber contains various microbes, its ingestion can cause foodborne illness. therefore, analysis of the microbiota in the whole body of sea cucumber can extend our understanding of foodborne illness caused by microorganisms and help to better manage products. we collected 40 sea cucumb ...201728851208
utility of strain typing of propionibacterium acnes in central nervous system and prosthetic joint infections to differentiate contamination from infection: a retrospective cohort.the study aimed to retrospectively assess if strain typing of propionibacterium acnes could help to distinguish between infection and contamination in isolates recovered from the central nervous system (cns) and prosthetic joints (pjs). this was a retrospective cohort of all propionibacterium species isolates from the barnes-jewish hospital (st louis, mo, usa) clinical microbiology laboratory from 2011 to 2014. available frozen isolates were recovered, and strain type (ia-1, ia-2, ib, ii, iii, o ...201728842758
evaluation of anti-inflammatory and antimicrobial activity of ahpl/aycap/0413 capsule.conventional therapeutic agents used for treatment of acne are associated with various adverse effects necessitating development of safe and effective alternative therapeutic agents. in this context, a polyherbal formulation ahpl/aycap/0413 was developed for treatment of acne.201728827969
cutibacteriumacnes septic arthritis of the nonoperated knee: a case report.cutibacterium (propionibacterium) acnes , a gram-positive bacillus with low pathogenicity, is an uncommon but known cause of prosthetic joint infections, particularly related to shoulder surgery. c. acnes , however, is an extremely rare pathogen in the nonoperated knee joint. this report details an uncommon case of c. acnes septic knee arthritis after multiple intra-articular steroid injections in a 56-year-old male patient. after an indolent presentation and late diagnosis, the patient underwen ...201728825032
in vitro anti-acne activity of phytoactives from the stem bark of artocarpus hirsutus lam. and characterisation of pyranocycloartobiloxanthone a as a mixture of two anomers.this study is aimed to isolate the phytoactives from the stem bark of artocarpus hirsutus and evaluate their in vitro anti-acne activity. the ethanolic stem bark extract of a. hirsutus provided two major phytoactive constituents: (i) pyranocycloartobiloxanthone a, (1) and (ii) artonine e, (2) whose structures were determined by nmr and ms spectroscopic analysis. the present study is the first to report compound 1 as a mixture of two anomers (α and β), approximately 70:30 ratio. both compounds 1 ...201728820275
description of actinokineospora acnipugnans sp. nov., an actinomycete isolated from soil, showing potential uses in cosmetics.during isolation of soil bacteria having antibacterial functions, an aerobic, gram-stain-positive, oxidase-negative, catalase-positive bacterium, designated strain r434t, was isolated. strain r434t showed antimicrobial activity against propionibacterium acnes and staphylococcus epidermidis and significant enzyme-inhibitory capability. the diagnostic diamino acid of the cell-wall peptidoglycan was meso-diaminopimelic acid, and the whole-cell sugars were galactose, arabinose and glucose. phylogene ...201728820111
what is new in the pathophysiology of acne, an overview.acne is a chronic inflammatory disease of the pilosebaceous unit. its pathophysiology includes hyperseborrhoea, abnormal follicular keratinization and propionibacterium acnes proliferation in the pilosebaceous unit. recent research has shed some new light on the involvement of the sebaceous gland, as well as on the pro-inflammatory activity of the cutaneous microbiome. during puberty, alteration of the sebaceous lipid profile, called dysseborrhoea, stress, irritation, cosmetics and potential die ...201728805938
sebocytes contribute to skin inflammation by promoting the differentiation of th17 cells.the main function of sebocytes is considered to be the lipid production for moisturizing the skin. however, it became recently apparent that sebocytes release chemokines and cytokines and respond to pro-inflammatory stimuli as well as presence of bacteria.201728799643
conjunctival bacteria flora of glaucoma patients during long-term administration of prostaglandin analog drops.to investigate the effects of the long-term use of prostaglandin analogs for glaucoma treatment on the indigenous flora of the conjunctiva.201728796877
propionibacterium acnes and the th1/th17 axis, implications in acne pathogenesis and treatment.acne vulgaris is one of the most commonly seen conditions and the immunological link is a topic of active research. recently, the th17 pathway has been found to play a pivotal role in acne. the adaptive immune response toward propionibacterium acnes leads to activation of th17 axis. consequently, the th17 cytokines (il-17, il-1 β, il-6, and tumor growth factor, in turn, activate the various pathogenic steps in acne. drugs such as vitamin d3 and isotretinoin which target the th17 pathway may offe ...201728794550
synchronizing pharmacotherapy in acne with review of clinical care.acne is a chronic inflammatory skin disease that involves the pathogenesis of four major factors, such as androgen-induced increased sebum secretion, altered keratinization, colonization of propionibacterium acnes, and inflammation. several acne mono-treatment and combination treatment regimens are available and prescribed in the indian market, ranging from retinoids, benzoyl peroxide (bpo), anti-infectives, and other miscellaneous agents. although standard guidelines and recommendations overvie ...201728794543
non-antibiotic isotretinoin treatment differentially controls propionibacterium acnes on skin of acne patients.emergence and potential transfer of antibiotic resistance in skin microorganisms is of current concern in medicine especially in dermatology contexts where long term treatment with antibiotics is common. remarkably, non-antibiotic therapy in the form of isotretinoin - a non-antimicrobial retinoid is effective at reducing or eradicating the anaerobe propionibacterium acnes which is causally involved in the complex pathogenesis of acne vulgaris. this study measured the extent of colonization of p. ...201728790988
the evaluation of cultivable microbiota profile in patients with secondary endodontic infection before and after photo-activated disinfection.secondary/persistent endodontic infection can be the outcome of failure of endodontic treatment. photo-activated disinfection (pad) can be a useful adjunct to mechanical and antimicrobial agents in eliminating endopathogenic microorganisms. in this study, we evaluated the effect of pad on diversity and count of microbiota related to secondary/persistent endodontic infections.201728249746
gut microbiota profiling of pediatric nonalcoholic fatty liver disease and obese patients unveiled by an integrated meta-omics-based approach.there is evidence that nonalcoholic fatty liver disease (nafld) is affected by gut microbiota. therefore, we investigated its modifications in pediatric nafld patients using targeted metagenomics and metabolomics. stools were collected from 61 consecutive patients diagnosed with nonalcoholic fatty liver (nafl), nonalcoholic steatohepatitis (nash), or obesity and 54 healthy controls (ctrls), matched in a case-control fashion. operational taxonomic units were pyrosequenced targeting 16s ribosomal ...201727028797
stress hormone epinephrine (adrenaline) and norepinephrine (noradrenaline) effects on the anaerobic bacteria.microbial endocrinology is a relatively new research area that already encompasses the anaerobes. stress hormones, epinephrine and norepinephrine, can affect the growth of anaerobic bacteria such as fusobacterium nucleatum, prevotella spp., porhyromonas spp., tanerella forsythia and propionibacterium acnes and can increase virulence gene expression, iron acquisition and many virulence factors of some anaerobic species such as clostridium perfringens, porphyromonas gingivalis and brachyspira pilo ...201728077337
epidemiology and antibiotic resistance of late prosthetic knee and hip infections.prosthetic joint infections (pji) are still a major complication of hip and knee arthroplasties. identification of the causative pathogens and knowledge of their antibiotic susceptibilities are essential for the management of these infections. the main purpose of the study was to identify and compare the causative bacteria of prosthetic knee and hip joint infections in a reference italian orthopedic center and to characterize antibiotic resistance profiles of bacteria involved.201728390886
endocarditis caused by anaerobic bacteria.infective endocarditis (ie) caused by anaerobic bacteria is a rare and poorly characterized disease. most data reported in the literature are from case reports [1-3]. therefore, we assessed the situation of anaerobic ie (aie) in spain using the database of the spanish collaboration on endocarditis (games).201728389412
bactericidal activity and post-antibiotic effect of ozenoxacin against propionibacterium acnes.ozenoxacin, a novel non-fluorinated topical quinolone, is used for the treatment of acne vulgaris in japan. we investigated bactericidal activity and post-antibiotic effect (pae) of ozenoxacin against propionibacterium acnes, a major causative bacterium of acne vulgaris. the minimum inhibitory concentrations (mics) of ozenoxacin against 3 levofloxacin-susceptible strains (mic of levofloxacin; ≤4 μg/ml) and 3 levofloxacin-resistant strains (mic of levofloxacin; ≥8 μg/ml) ranged from 0.03 to 0.06  ...201728389164
propionibacterium acnes phylogenetic type iii is associated with progressive macular hypomelanosis.progressive macular hypomelanosis (pmh) is a skin disorder that is characterized by hypopigmented macules and usually seen in young adults. the skin microbiota, in particular the bacterium propionibacterium acnes, is suggested to play a role. here, we compared the p. acnes population of 24 pmh lesions from eight patients with corresponding nonlesional skin of the patients and matching control samples from eight healthy individuals using an unbiased, culture-independent next-generation sequencing ...201728386469
filthy lucre: a metagenomic pilot study of microbes found on circulating currency in new york city.paper currency by its very nature is frequently transferred from one person to another and represents an important medium for human contact with-and potential exchange of-microbes. in this pilot study, we swabbed circulating $1 bills obtained from a new york city bank in february (winter) and june (summer) 2013 and used shotgun metagenomic sequencing to profile the communities found on their surface. using basic culture conditions, we also tested whether viable microbes could be recovered from b ...201728384336
acute hemiparesis in a healthy elderly woman: where and what is the lesion?hemiparesis may be the result of lesions in the contralateral pyramidal tract in the brain or, less frequently, in the ipsilateral pyramidal tract in the upper cervical spinal cord. however, although rare, multiple lesions that simultaneously occur in both of these regions may be the cause of acute hemiparesis, and the clinical symptoms can often be misdiagnosed as a stroke. in addition, the correct diagnosis of these multiple central nervous system (cns) lesions is very challenging if they are ...201728377743
cell type-specific regulatory effects of glucocorticoids on cutaneous tlr2 expression and signalling.glucocorticoids (gcs) induce toll-like receptor (tlr) 2 expression and synergistically upregulate tlr2 with pro-inflammatory cytokines or bacteria. these paradoxical effects have drawn attention to the inflammatory initiating or promoting effects of gcs, as gc treatment can provoke inflammatory skin diseases. here, we aimed to investigate the regulatory effects of gcs in human skin cells of different epidermal and dermal layers. we found that dex induced tlr2 expression mainly in undifferentiate ...201728377308
propionibacterium acnes biofilm is present in intervertebral discs of patients undergoing microdiscectomy.in previous studies, propionibacterium acnes was cultured from intervertebral disc tissue of ~25% of patients undergoing microdiscectomy, suggesting a possible link between chronic bacterial infection and disc degeneration. however, given the prominence of p. acnes as a skin commensal, such analyses often struggled to exclude the alternate possibility that these organisms represent perioperative microbiologic contamination. this investigation seeks to validate p. acnes prevalence in resected dis ...201728369127
low-grade infections in nonarthroplasty shoulder surgery.recent studies have identified the diagnostic challenge of low-grade infections after shoulder arthroplasty surgery. infections after nonarthroplasty procedures have not been reported. this study assessed patient-related risk factors, outcomes, and clinical presentation of low-grade infection after open and arthroscopic nonarthroplasty shoulder surgery.201728359693
a metabolic engineering strategy for producing conjugated linoleic acids using the oleaginous yeast yarrowia lipolytica.conjugated linoleic acids (clas) have been found to have beneficial effects on human health when used as dietary supplements. however, their availability is limited because pure, chemistry-based production is expensive, and biology-based fermentation methods can only create small quantities. in an effort to enhance microbial production of clas, four genetically modified strains of the oleaginous yeast yarrowia lipolytica were generated. these mutants presented various genetic modifications, incl ...201728357546
p. acnes-driven disease pathology: current knowledge and future directions.this review discusses the biology and behavior of propionibacterium acnes (p. acnes), a dominant bacterium species of the skin biogeography thought to be associated with transmission, recurrence and severity of disease. more specifically, we discuss the ability of p. acnes to invade and persist in epithelial cells and circulating macrophages to subsequently induce bouts of sarcoidosis, low-grade inflammation and metastatic cell growth in the prostate gland. finally, we discuss the possibility of ...201728352613
treatment of leishmania (leishmania) amazonensis-infected mice with a combination of a palladacycle complex and heat-killed propionibacterium acnes triggers protective cellular immune responses.palladacycle complex dppe 1.2 was previously reported to inhibit the in vitro and in vivo infection by leishmania (leishmania) amazonensis. the aim of the present study was to compare the effect of dppe 1.2, in association with heat-killed propionibacterium acnes, on l. (l.) amazonensis infection in two mouse strains, balb/c and c57bl/6, and to evaluate the immune responses of the treated animals. foot lesions of l. (l.) amazonensis-infected mice were injected with dppe 1.2 alone, or associated ...201728321209
propionibacterium acnes phylotypes and acne severity: an observational prospective study.although a number of facts on the physiopathological mechanisms of acne are now well established, it is still unclear what triggers the severity of this inflammatory disease of the sebaceous follicle. thus, could the severity of the acne be somehow linked to different strains of its main bacterium, propionibacterium acnes? we know that there are several types of p. acnes, and a study (1) has recently shown that different strains of p. acnes could up-regulate or down-regulate in vitro inflammator ...201728295699
the influence of direct inoculation of propionibacterium acnes on modic changes in the spine: evidence from a rabbit model.modic changes (inflammatory-like changes visible on magnetic resonance imaging [mri] scans of a vertebral end plate) are common and are associated with low back pain, but their origin is unclear. to our knowledge, there have been no previous in vivo animal models of modic changes. we hypothesized that modic changes may be related to propionibacterium acnes.201728291179
diverse bacterial communities exist on canine skin and are impacted by cohabitation and time.it has previously been shown that domestic dogs and their household owners share bacterial populations, and that sharing of bacteria between humans is facilitated through the presence of dogs in the household. however, less is known regarding the bacterial communities of dogs, how these communities vary by location and over time, and how cohabitation of dogs themselves influences their bacterial community. furthermore, the effects of factors such as breed, hair coat length, sex, shedding, and ag ...201728289569
periprosthetic joint infection by propionibacterium acnes: clinical differences between monomicrobial versus polymicrobial infection.to compare a series of monomicrobial propionibacterium acnes (p. acnes) knee and hip periprosthetic joint infection (pji) cases with cases of polymicrobial pji which included p. acnes. we hypothesized that the presence of a polymicrobial p. acnes infection would lead to worse outcomes than those in cases of monomicrobial p. acnes pji.201728285096
topical treatments for acne.topical drugs have been used successfully to treat acne for decades. this review discusses the use, efficacy, and safety of options available via prescription. topical antibiotics, dapsone, benzyl peroxide, azelaic acid, and topical retinoids are included. topical antibiotics should not be used as monotherapy but rather be combined with other agents to avoid resistant propionibacterium acnes strains. benzoyl peroxide is effective in preventing bacteria resistance. topical retinoids address prima ...201728274355
propionibacterium acnes and antimicrobial resistance in acne.the human commensal bacterium propionibacterium acnes (p. acnes) resides in the pilosebaceous duct of the skin. it has been long implicated in the pathogenesis of acne, although its exact role in the development of inflammatory acne lesions and in the formation of the microcomedo in the early stages of acne remains controversial. the worldwide prevalence of antibiotic-resistant p. acnes is increasing, with rates varying in different parts of the world. the reason for the difference in the antibi ...201728274353
understanding the role of propionibacterium acnes in acne vulgaris: the critical importance of skin sampling methodologies.acne vulgaris is a chronic inflammatory skin condition classified by the global burden of disease study as the eighth most prevalent disease worldwide. the pathophysiology of the condition has been extensively studied, with an increase in sebum production, abnormal keratinization of the pilosebaceous follicle, and an inflammatory immune response all implicated in its etiology. one of the most disputed points, however, is the role of the gram-positive anaerobic bacterium propionibacterium acnes i ...201728274348
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