| using "dioscorea batatas bean"-like silver nanoparticles based localized surface plasmon resonance to enhance the fluorescent signal of zinc oxide quantum dots in a dna sensor. | we reported here the preparation of "dioscorea batatas bean"-like silver nanoparticles (agnps) and the unique structure provided the agnps good localized surface plasmon resonance (lspr) property. in addition, zinc oxide quantum dots (zno qds) were also synthesized and found with good fluorescent property. furthermore, the zno qds decorated exfoliated graphene oxide (ego-zno) was prepared via electrostatic interaction. the named nanomaterials were applied in a lspr-induced fluorescent dna sensor ... | 2014 | 24912034 |
| polysaccharides from dioscorea ( shān yào) and other phytochemicals enhance antitumor effects induced by dna vaccine against melanoma. | adjuvants can be used to enhance the immunogenicity of antigens and improve the efficacy of vaccines. potent adjuvant action is known to often correlate with the activation of the transcription factor, nuclear factor-κb (nf-κb). specific plant polysaccharides and a variety of phytochemicals from foods and traditional medicinal herbs have been shown to modulate nf-κb activation. in the present study, selected plant polysaccharides and phytochemicals were evaluated for use as a dna vaccine adjuvan ... | 2014 | 24872932 |
| dioscorin pre-treatment protects a549 human airway epithelial cells from hydrogen peroxide-induced oxidative stress. | hydrogen peroxide (h(2)o(2)) is a highly reactive oxygen species involved in lung and bronchial epithelium injury. increased h(2)o(2) levels have been reported in expired breath condensates of patients with inflammatory airway diseases such as chronic obstructive pulmonary disease. protecting airway epithelial cells from oxidative stress is an important task in the prevention and management of airway diseases. previous studies demonstrate that yam (dioscorea batatas decne) has antioxidant and an ... | 2013 | 23575601 |
| extract from dioscorea batatas ameliorates insulin resistance in mice fed a high-fat diet. | the aim of this study was to investigate whether dioscorea batatas (db) extract attenuates high-fat diet (hfd)-induced insulin resistance in the visceral adipose tissues of mice, and by what mechanism(s). mice were fed a hfd for 4 weeks to induce the early development of insulin resistance. the db extract was administered to mice fed a hfd by oral gavage at a dose of 100 mg/kg body weight daily for 7 weeks. biochemical parameters in blood were measured using enzymatic kits, and the expression le ... | 2012 | 22424459 |
| traditional chinese medicine herbal extracts of cibotium barometz, gentiana scabra, dioscorea batatas, cassia tora, and taxillus chinensis inhibit sars-cov replication. | development of anti-severe acute respiratory syndrome associated coronavirus (sars-cov) agents is pivotal to prevent the reemergence of the life-threatening disease, sars. in this study, more than 200 extracts from chinese medicinal herbs were evaluated for anti-sars-cov activities using a cell-based assay that measured sars-cov-induced cytopathogenic effect (cpe) in vitro on vero e6 cells. six herbal extracts, one each from gentianae radix ( lóng dǎn; the dried rhizome of gentiana scabra), dios ... | 2011 | 24716104 |
| macrophage activation by glycoprotein isolated from dioscorea batatas. | we demonstrate that glycoprotein isolated from dioscorea batatas (gdb) activates macrophage function. analysis of the infiltration of macrophages into peritoneal cavity showed gdb treatment significantly increased the recruitment of macrophages into the peritoneal cavity. in order to further confirm and investigate the mechanism of gdb on macrophage activation, we analyzed the effects of gdb on the cytokine expression including il-1β, tnf-α, and il-6 in mouse peritoneal macrophages. gdb increase ... | 2011 | 24278568 |
| apolipoprotein a5-12238 t>c gene polymorphism and risk factors for metabolic syndrome in the guo shan yao and the han populations. | | 2011 | 21707471 |
| antioxidative ability, dioscorin stability, and the quality of yam chips from various yam species as affected by processing method. | the antioxidative ability, stability of storage protein dioscorin, and the quality of fried yam chips from different cultivars of chinese yams influenced by various processing treatments were investigated. total phenolic content and dpph free radical scavenging effect were found to be the highest in mingchien (mc) and the lowest in keelung (kl) yam. following processing, freeze-dried yams of all varieties showed the least decrease in total phenolic compounds and dpph radical scavenging effect, w ... | 2009 | 19323725 |
| identification of dioscorea batatas (sanyak) allergen as an inhalant and oral allergen. | dioscorea batatas is widely used in asia as a herbal medicine or food product with potential health benefits. there have been several reports of occupational asthma caused by inhalation of d. batatas dust. however, there has been no report of systemic allergic reactions after oral administration of d. batatas. two patients with d. batatas allergy were enrolled. one had experienced severe urticaria and angioedema after indigestion, and the other had been exposed to d. batatas dust and was diagnos ... | 2008 | 18303202 |
| phytoglycoprotein inhibits interleukin-1beta and interleukin-6 via p38 mitogen-activated protein kinase in lipopolysaccharide-stimulated raw 264.7 cells. | this study was carried out to investigate the anti-inflammatory effects of 30-kda glycoprotein isolated from dioscorea batatas decne (dbd glycoprotein), which consists of carbohydrate content (61%) and protein content (39%) on lipopolysaccharide (lps, 2 microg/ml)-stimulated raw 264.7 cells. we found that dbd glycoprotein (200 microg/ml) has an inhibitory effect on the production of intracellular hydrogen peroxide (h(2)o(2)), on the phosphorylation of p38 mitogen-activated protein (map) kinase, ... | 2008 | 18204996 |
| enhancement of oxidative response and cytokine production by yam mucopolysaccharide in murine peritoneal macrophage. | yam (dioscorea batatas) mucopolysaccharide (ymp) was examined for the ability to induce secretory and cellular responses in murine peritoneal macrophages. when macrophages were treated with various doses (10-100 microg/ml) of ymp for 48 h, a significant cytotoxicity against b 16 cells was observed. ymp also increased the myeloperoxidase activity and the production of h(2)o(2), o(2)(-), nitric oxide (no) and tumor necrosis factor (tnf-alpha). however, there was a little alteration on the producti ... | 2002 | 12490222 |
| antioxidant activities of dioscorin, the storage protein of yam (dioscorea batatas decne) tuber. | dioscorin, the storage protein of yam (dioscorea batatas decne) tuber (which is different from dioscorine found in tubers of dioscorea hirsuta), was purified to homogeneity after de-52 ion exchange column according to the methods of hou et al. (j. agric. food chem. 1999, 47, 2168-2172). a single band of 32 kda dioscorin was obtained on a sodium dodecyl sulfate-polyacrylamide gel electrophoresis gel with 2-mercaptoethanol treatment. this purified dioscorin was shown by spectrophotometric method t ... | 2001 | 11600050 |
| dioscorin, the major tuber storage protein of yam (dioscorea batatas decne) with carbonic anhydrase and trypsin inhibitor activities. | dioscorin, the tuber storage protein of yam (dioscorea batatas decne), was purified successively by ammonium sulfate fractionation, de-52 ion exchange chromatography, and sephadex g-75 column. two protein bands (82 and 28 kda) were found under nonreducing conditions after sds-page; but only one band (32 kda) was detected under reducing conditions. the first 21 amino acids in the n-terminal region of the 28 kda form were vedefsyiegnpngpenwgnl, which was highly homologous to deductive sequence of ... | 1999 | 10552514 |
| [a new subtype of potato class i patatin gene]. | potato class i and class ii patatin gene belong to a multigene family with different tissuespecific expression patterns. a class i patatin gene was isolated from a genomic library of chinese potato cultivar "dongnong 303" (solanum tuberosum) by using class ii patatin promoter as probe. a 1.8kp dna sequence was determined, including 1407bp of patatin gene 5' flanking sequence and 363bp of patatin structure gene. its 5' flanking sequence showed that it is a class i patatin gene. compared with six ... | 1997 | 9494296 |
| allergic contact dermatitis from dioscorea batatas decaisne. | | 1988 | 3365956 |
| anther culture of wheat (triticum aestivum l.) f1's and their reciprocal crosses. | anthers from three sets of wheat (triticum aestivum l. em. thell) f1's and their reciprocal crosses, made between parental lines differing greatly in their ability to produce microspore derived callus, were cultured on the chinese potato medium so that we could 1) more clearly define the role of nuclear or cytoplasmic factors within t. aestivum in transferring the ability to undergo in vitro androgenesis, and 2) to briefly review the gametic representation and disease screening potential of the ... | 1982 | 24270565 |
| study on effect of traditional chinese medicine jianpi chushi decoction and ointment on chronic eczema. | to study the effects of traditional chinese medicine jianpi chushi decoction and ointment on chronic eczema. | 2016 | 27633311 |
| bioactive proteins and peptides isolated from chinese medicines with pharmaceutical potential. | some protein pharmaceuticals from chinese medicine have been developed to treat cardiovascular diseases, genetic diseases, and cancer. bioactive proteins with various pharmacological properties have been successfully isolated from animals such as hirudo medicinalis (medicinal leech), eisenia fetida (earthworm), and mesobuthus martensii (chinese scorpion), and from herbal medicines derived from species such as cordyceps militaris, ganoderma, momordica cochinchinensis, viscum album, poria cocos, s ... | 2014 | 25067942 |
| the complete genome sequence of a novel virus, bellflower veinal mottle virus, suggests the existence of a new genus within the family potyviridae. | a new virus was isolated from a bellflower (campanula takesimana) plant showing veinal mottle symptoms, and its complete genome sequence was determined. the viral genome consists of a positive-sense single-stranded rna of 8,259 ribonucleotides. electron microscopic observation revealed that the viral genome is packaged as a filamentous particle with an average length of approximately 760 nm. blast searches of protein databases showed that the encoded polyprotein has a maximum amino acid sequence ... | 2017 | 28434099 |
| inhibition of photosynthesis and respiration by batatasins. | effects of batatasins i, iii and v, phenolic growth inhibitors occuring in dormant bulbils of dioscorea batatas decne., on photosynthetic reactions of chloroplasts from spinach (spinacia oleracea l.) and on respiration of mitochondria from potatoes (solanum tuberosum l.) were investigated. in chloroplasts, the batatasins effectively inhibited co2-dependent oxygen evolution and electron flow from water to acceptors such as dichlorophenolindophenol, ferricyanide and methylviologen. photosystem-i d ... | 1978 | 24414012 |
| effect of polarity and kinetin on the browning reaction of dioscorea batatas and d. japonica. | | 1969 | 24515433 |
| isolation of (+)-abscisin ii from dormant aerial tubers of dioscorea batatas. | the occurrence of at least three growth inhibitors was demonstrated in the dormant aerial tubers of dioscorea. one of the inhibitors was isolated in crystalline form and identified as (+)-abscisin ii by the infrared and ultraviolet spectra as well as by the optical rotatory dispersion. | 1967 | 24522653 |