| effects of the released mediators of anaphylaxis on the target organs. | the antigen-antibody union initiates the release of mediators; the reactions and interactions of these mediators in the lung appear to include negative feedback mechanisms. during anaphylactic bronchoconstriction catecholamines are released from the adrenal medulla. these act as physiological antagonists and tend to reverse the bronchoconstriction. in guinea-pig and human lung fragments, catecholamines and pgs increase cyclic amp levels and inhibit the release of histamine, srs-a and ecf-a follo ... | 1977 | 72410 |
| [a comparative study of some forms of treatment in cystic ovarian follicles of cattle (author's transl)]. | various drugs were used in the treatment of 140 cows with cystic ovarian follicles (2.9 per cent of the population) on twenty-five dairy farms during a four-year period. this was done as part of a herd fertility programme. aanoestrus (approximately sixty days after parturition) was found to be due to cystic follicles in fifty-three cows (7 per cent of the cows examined for anoestrus). an irregular cycle or nymphomania was found to be present in eighty-seven cows (62 per cent). treatment consiste ... | 1977 | 72425 |
| real-space filtering of electron images from optical autocorrelation patterns. | the capability for filtering electron images, in real space, is demonstrated to be inherent to a two plate, incoherent optical procedure (originally described by meyer-eppler and darius) for recording autocorrelation functions from transparencies. if an image contains features that occur with more than random frequency, these features may give rise to a resolvable peak in the optically recorded autocorrelation function. the optical requirements for obtaining an image of the transparency that is ... | 1977 | 72444 |
| protein-induced neonatal specific and non-specific immunosuppression. | | 1977 | 72493 |
| [structures of oncornaviruses of c-typ-negativ staining technique by electron microscopy (author's transl)]. | typ-c viruses of bovine enzootic leucosis and other typ-c viruses were demonstrated by negativ staining technique and also the rna-protein complex respectively the nucleocapsid of helical symmetry in the shape of coral bead. now the well defined morphology of the typ-c viruses enable to identificate to be used in electron microscopy practice. | 1977 | 72553 |
| localization of serum-derived alpha 2 macroglobulin in cultured cells and decrease after moloney sarcoma virus transformation. | nrk cells and many other cultured fibroblasts were found to contain the protease inhibitor, alpha 2 macroglobulin (alpha 2m). this alpha 2m is present as a result of uptake of alpha 2m from the calf serum in the culture medium. some of this alpha 2m is released back into the medium. in radiolabeling experiments with 14c-amino acids, no radioactivity was detected in intracellular or extracellular alpha 2m. fluorescence microscopy of fixed cells using rhodamine-labeled antibodies indicated that al ... | 1977 | 72612 |
| preparation and assessment of antisera to acth. | antisera to acth were produced in rabbits injected repeatedly at multiple intradermal sites with synthetic [asp25, ala26, gly27]alphah-corticotropin-(1-28)-octacosapeptide-bovine gamma globulin conjugate (octacosapeptide is a sequence analogue of alphah1-28-acth). antibodies to extracted human or porcine acth were detected in all of the sera 1 month after immunization. a considerable proportion of the antisera obtained from a single final bleeding 5 months after the primary immunization were sui ... | 1977 | 72698 |
| antibody response to myelin basic protein: comparisons between lewis rats with experimental allergic encephalomyelitis, and tolerant rats. | the hemagglutinating antibody responses of lewis rats with experimental allergic encephalomyelitis (eae) and of rats rendered unresponsive to this autoimmune disease by pretreatment with myelin basic protein (bp) were compared. most tolerant animals produced low levels of hemagglutinating antibody. similarly, most rats with eae also produced anti-bp antibodies. we were unable to correlate hemagglutinin production or titer with protection against disease. hemagglutination inhibition (hai) studie ... | 1977 | 72724 |
| immunochemical studies of fragments of bovine serum albumin. | antigenic properties of 14 fragments of bovine albumin were measured using antisera to albumin and to two of its fragments. all seven fragments larger than 21,000 daltons formed immune precipitates. although immune precipitates were not formed with smaller fragments, inhibition tests indicated the presence of antigenic sites on several of these fragments as well. the results predict the occurrence of six or more antigenic determinants and allow assignment of their positions in the parent molecul ... | 1977 | 72752 |
| preparation of antisera to neurofilament protein from chicken brain and human sciatic nerve. | antigens isolated by hydroxyapatite chromatography from human sciatic nerve (sn1 protein) and from 8 m urea extracts of chicken brain were selectively localized by immunofluorescence to neurofibrils in rat and chicken cns. absorption of the antisera with sn1 protein, chicken antigen or gfa protein abolished the staining. antisera raised against antigen isolated with the same procedure from buffer extracts of chicken brain stained both neurofibrils and glial fibrils by immunofluorescence. neurofi ... | 1977 | 72760 |
| is jejunal biopsy really necessary in cow's milk protein intolerance? | thirty-nine infants suspected of having cow's milk protein intolerance (c.m.p.i.) were investigated, and jejunal biopsies were performed before and after challenge with cow's milk. thirty patients had significant jejunal mucosal damage after milk challenge, but symptoms of diarrhoea and vomiting developed in only twenty-two. the patients with symptoms were subsequently managed on a diet free from cow's milk until tolerance developed. however, the eight infants without symptoms (but with jejunal ... | 1977 | 73022 |
| thymosin-like activity in fetal calf serum? | | 1977 | 73040 |
| clinical uses of kanamycin, neomycin and streptomycin. | | 1977 | 73127 |
| recent state of lindane metabolism. | | 1977 | 73211 |
| macrophage disappearance reaction in rana esculenta induced by specific antigen and rabbit lymphokines. | macrophage disappearance reaction was induced by intraperitoneal injections of specific antigens in rana esculenta sensitized by bovine gamma globulin and mycobacterium bovis bcg. rabbit lymphokines derived from concanavalin a stimulated blood lymphocytes injected intraperitoneally were able to induce macrophage disappearance reaction in normal rana esculenta. this suggests that mammalian lymphokines are capable of acting in amphibia. mammalian lymphokines have not an exclusive class-specificity ... | 1977 | 73345 |
| the measurement of histamine release from suspensions of rat peritoneal cells rich in mast cells. | histamine released from the mast cells in unfractionated rat peritoneal cell suspensions could be quickly and conveniently measured by an automated chemical method. there were no substances in the unfractionated peritoneal cells that interfered with the chemical histamine measurement. organic extraction of histamine and deproteinization of samples were not necessary using the automated method. the amount of histamine released from preparations of peritoneal cells by a fixed concentration of comp ... | 1977 | 73348 |
| a reverse transcriptase assay for detection of the bovine leukemia virus. | an rna-dependent dna polymerase or reverse transcriptase has been demonstrated in highly purified bovine leukemia virus (blv) particles. the viral enzyme responded very effectively to the exogenous template primer polyneucleotide (poly) (ra)-oligonucleotide (oligo) (dt). unlike the reverse transcriptases of most mammalian c type rna viruses, and of the ubliquitous foamy-like bovine syncytial virus, the blv enzyme prefers magnesium rather than manganese for optimal activity. the identification of ... | 1977 | 73357 |
| immunoglobulin m associated with secretory component and immunoglobulin a deficiency in bovine colostrum. | immunoglobulin (ig) m purified from bovine colostrum was examined by an immunodiffusion analysis with antisecretory iga serum and was found to be associated with a secretory component. some of the combined proteins were dissociated if treated with 5 m guanidine-hcl and others were not. another immunodiffusion analysis of 23 specimens of colostrum led to the finding that certain colostrums were deficient in iga, even though they contained igg and igm. | 1977 | 73358 |
| inhibition of antibody production in plasmacytoma cells by antigen. | tissue culture-adapted mopc 315 mouse plasmacytoma cells which secrete monoclonal anti-dnp iga antibody, were cultured with a variety of dnp-carrier conjugates and the production of iga measured by pulse labeling with [3h]leucine and by plaque-forming cell assays. dnp-coupled bovine, human and rabbit gamma-globulins (containing 9 to 12 dnp groups per 50 000 mol wt of carrier) inhibited the synthesis and secretion of iga by 40 to 80%. this inhibition was specific, since unconjugated globulins wer ... | 1977 | 73462 |
| immunosuppressive factor(s) specific for l-glutamic acid50-l-tyosine50. iv. in vitro activity and immunochemical properties. | the responsiveness of balb/c spleen cells to the terpolymer l-glutamic acid60-l-alanine30-l-tyrosine10 (gat), the copolymer of l-glutamic acid50-l-tyrosine50 (gt) and the corresponding complexes with methylated bovine serum albumin (mbsa) has been studied in vitro in a modified mishell-dutton culture system. cultures of balb/c spleen cells respond to gat, gat-mbsa and gt-mbsa over a wide dose range. contrary to in vivo findings balb/c spleen cell cultures respond to gt in vitro although in a muc ... | 1977 | 73465 |
| ir gene control of carrier recognition. iii. cooperative recognition of two or more carrier determinants on insulins of different species. | | 1977 | 73467 |
| cell-free translation product containing corticotropin and beta-endorphin encoded by messenger rna from anterior lobe and intermediate lobe of bovine pituitary. | | 1977 | 73478 |
| antigens in penicillin allergy. ii. the influence of the number of penicilloyl residues on the antigenicity of macromolecules as determined by radioimmunoassay (ria), passive cutaneous anaphylaxis (pca) and antibody induction. | the present communication reveals a relationship between the epitope density of penicilloylated protein antigens and their antigenic activities in a radioimmunoassay (ria), in passive cutaneous anaphylaxis (pca) and in inducing antibody formation in mice. in the ria and pca a critical number of 2-4 penicilloyl residues per protein molecule was noted. at this level small changes in the number of substituents considerably influenced the antigenic activities. the molecular weight and the nature of ... | 1977 | 73511 |
| a total internal-reflection technique for the examination of protein adsorption. | a total internal-reflection fluorescence (tirf) technique for examining protein adsorption at solid-liquid interfaces is described. for the representative case of adsorption of bovine gamma-globulin onto silicone rubber, the applicability of the technique to serveral important aspects of protein adsorption phenomena is demonstrated. specifically, in addition to the tightly adsorbed protein layer observed herein and previously by maany others, the presence of a loosely adsorbed protein layer was ... | 1977 | 73542 |
| histamine enhances anaphylactic histamine release from bovine lung and leukocytes via histamine h2-receptor. | chopped lung and isolated leukocytes of calves sensitized to horse plasma release histamine when incubated with the antigen. low concentrations (10(-9) and 10(-8) m) of exogenous histamine enhanced both spontaneous and antigen-induced histamine release. the enhancement of antigen-induced histamine release was inhibited by metiamide but not by mepyramine, whereas the enhancement of spontaneous histamine release was not significantly affected by either histamine antagonist. at higher concentration ... | 1978 | 73583 |
| cell antigens recognized by rabbit antibodies specific for oligomannosyl determinants. | rabbit antibodies to cell wall mannans of various microbial strains and their mutants were found to be cross-reactive to cell carbohydrates of mammalian sperm and 4-6-days-old blastocysts. immunochemical studies indicate that oligomers of alpha1 yields to 2, alpha1 yields to 3, alpha1 yields to 6, and probably also alpha yields to 4 linked mannose residues of sperm carbohydrates are available for antibody binding. at least 80 percent of binding activity of a yeast mannan antibody to sperm can be ... | 1977 | 73630 |
| absorption of dietary protein. | | 1976 | 73671 |
| recognising epidemic strains of e. coli. | | 1976 | 73729 |
| stability of reference thromboplastins. | | 1977 | 73968 |
| anaphylaxis in chickens: evidence for in vivo and in vitro histamine release. | | 1977 | 74072 |
| [the animal as a symbol]. | | 1977 | 74105 |
| epilepsy epidemic due to benzahexachlorine. | a report of eight cases with grand mal seizures secondary to accidental ingestion/exposure to benzahexachlorine has been presented. persistant neurological signs and biochemical tests have been described. seizures affected even the domestic animals like cows and buffaloes. discussion of various clinical syndromes, treatment of organochlorine pesticide and their persistence in human body for years after removal from source of exposure is emphasized. preventive measures are recommended. the author ... | 1977 | 74114 |
| [blood proteins of calves and their 1st-calver mothers during the early post-natal period]. | the calves of the red spotted breed and their first-calver mothers were subject to the study of total proteinemia and of the changes in protein fractions before parturition and in a ten-day period of post-partal development. the relations between these parameters were also studied. calves up to the 10th day of life show a rise in total proteinemia whereas cows show insignificant changes. the level of albumins in calves exhibits a slight fluctuation, whereas in mothers it increased before parturi ... | 1977 | 74118 |
| [gentamycin binding with blood proteins]. | an 'in vitro' microbiologic method was employed to follow up the activity of gentamycin diluted in bovine and swine sera and bound to proteins isolated from them, in the course of continuous storing. it was found that the protein solutions of gentamycin retain their activity for one year under refrigerator conditions (4 degrees c), whereas with the freeze-drying of these solutions storage could be effected at room temperature. it was established through the method of balanced dialysis that genta ... | 1977 | 74119 |
| [serum proteins of cows suffering from nymphomania]. | investigated were a total of 25 cows of the bulgarian brown breed manifesting the classical symptoms of nymphomania, along with other 25 normal cows as control animals. it was found that the total protein in the blood serum increased, coupled with a drop in the albumin fraction and a statistically significant rise of the gamma-globulin fraction. suggested was the use of the coefficient albumin: gamma-globulin instead of the coefficient albumin:gloubulin. the new coefficient was shown to be more ... | 1977 | 74120 |
| species specificity in thermostable and ethanol insoluble tissue antigens. ii. further immunization of rabbits with bovine kidney preparation. | | 1977 | 74202 |
| desensitization. ii. passive transfer of the desensitized state by serum from desensitized animals. | | 1978 | 74290 |
| hydatidosis: a global problem of increasing importance. | this review of recent literature reporting the occurrence of hydatid disease due to echinococcus granulosus and e. multilocularis throughout the world emphasizes the global nature of the problem and the threat of its spread into those countries currently free from it. attention is drawn to the urgent need for measures to prevent the importation of infected livestock and this would require the development of techniques for pre-mortem diagnosis and differentiation of hydatidosis and cysticercosis ... | 1977 | 74294 |
| structure of isolated bovine rod outer segment membranes. | | 1977 | 74340 |
| antibody response and subunit structure of calf lens alpha crystallin. | | 1977 | 74360 |
| cellular basis of tolerance to serum albumin in adult mice. i. characterization of t suppressor and t helper cells. | the surface markers and size of suppressor cells were determined in adult (balb/c x c57bl/ka)f1 mice which were tolerized with a single injection of deaggregated bovine serum albumin (bsa). suppressor cells from the spleens of tolerazided donors were assayed in a cell transfer system in which graded numbers of cells were injected into irradiated syngeneic mice along with limiting numbers of t cells primed to bsa and an excess of b cells primed to dnp-bsa. adoptive hosts were challenged with dnp- ... | 1978 | 74390 |
| the distribution and relative immunogenicity of calf alpha-crystallin antigenic determinants on different subunits. | in the native alpha-crystallin molecule, 45.9% of all reactive antigenic determinants were found to be located on sh-containing subunits. of these, the majority (35.3%) were reaggregation dependent, and 10.6% were reactive on monomeric subunits. by contrast, only 10.9% of all antigenic determinants were located on sh-free subunits, and the ratio of aggregation-dependent determinants (4.4%) to those of monomeric subunits (6.5%) was reversed compared to sh-containing subunits. among all antigenic ... | 1978 | 74392 |
| specific antigens of lactobacillus acidophilus. | antigens specific for lactobacillus acidophilus were investigated by double immunodiffusion in agar-gel. antigenic materials were extracted from whole bacteria and some walls with cold trichloroacetic acid. antisera were prepared by intravenous injection into rabbits of suspensions of whole organisms in solutions of bovine serum albumin, which had been heated and then washed. four specific antigens were found as precipitinogens and denoted as antigens 11, 12, 13 and 14. of 43 strains of l. acido ... | 1977 | 74399 |
| characteristics of human lymphoblastoid (namalva) interferon. | interferon derived from the human lymphoblastoid cell line, namalva, was fractionated by antibody affinity chromatography into two antigenically distinct interferon subspecies. at least 13% of the total namalva interferon activity possessed the f antigenic determinant found on human interferon derived from fibroblast cultures, while the bulk of the namalva interferon activity had the le antigenic determinant characteristic for human leukocyte interferon. the separated le and f subspecies of nama ... | 1978 | 74402 |
| the possibility of cattle chromosome classification, identified by g-banding patterns. | | 1977 | 74429 |
| jejunal biopsy in cow's milk protein intolerance. | | 1978 | 74689 |
| partial gamma1 fragment is a 'natural' bovine igg1 fragment without detectable class-specific gamma determinants. | | 1978 | 74806 |
| electron microscopic demonstration of meshwork structure in human and bovine glomerular basement membranes. | with the electron microscopic and the negative staining method, the glomerular basement membrane of human and bovine kidneys was shown to have a definite fine meshwork structure. the pores of the meshwork of bovine glomerular basement membrane appeared to be pentagonal or hexagonal in shape. strands of the meshwork branched three-dimensionally and made up the whole basement membrane. the portion of the sgrand between two neighboring branches was presumed to be a structural unit of the basement m ... | 1977 | 74935 |
| serological relationships between certain avian and animal paramyxoviruses. | an avian paramyxovirus designated robin/hiddensee/19/75 proved to be related to the yucaipa virus group in cross haemagglutination inhibition test (hit). whereas the prototype parainfluenza viruses did not react with the antiserum raised against the robin virus, a newly isolated bovine parainfluenza 3 virus was shown to be inhibited up to half the homologous titre. possible antigenic relationships between avian, mammalian and human paramyxoviruses are discussed. | 1977 | 74944 |
| localization of sites for ionic interaction with lipid in the c-terminal third of the bovine myelin basic protein. | the myelin basic protein from bovine brain tissue was purified and the two peptides obtained by cleavage of the polypeptide chain at the single tryptophan residue were isolated. the interaction of these peptides and the intact basic protein with complex lipids was investigated by following the solubilization of lipid-protein complexes into chloroform in a biphasic solvent system. the c-terminal peptide fragment (residues 117-170) and the intact basic protein both formed chloroform-soluble comple ... | 1977 | 75009 |
| partial characterization of the human anti-encephalitogenic protein: isolation from spinal cord and spinal nerves. | | 1978 | 75025 |
| encephalitogenic properties of purified preparations of bovine oligodendrocytes tested in guinea pigs. | the present study has investigated central nervous system disease in guinea pigs inoculated with emulsions containing purified preparations of bovine oligodendroglia and their fractions isolated with or without trypsinization, whole bovine white matter or myelin basic protein (mbp). the mbp content of the oligodendroglial fractions was determined by radioimmunoassay. it was found that oligodendroglia prepared from trypsinized fresh brain contained minute amounts of mbp and did not induce disease ... | 1978 | 75047 |
| localization of thyrotropin (tsh) in the dog pituitary gland. | using the immunoperoxidase technique and antisera to the specific beta (beta) subunits of bovine and rat tsh, selective immunocytochemical staining was localized in a specific cell population in the pars distalis of the dog pituitary gland. these tsh cells were found to be positive to aldehyde fuchsin, alcian blue, periodic acid-schiff (pas) and aniline blue. with the performic acid-alcian blue (ph 0.2) -pas-orange g procedure these cells stained blue-purple, demonstrating fsh/lh cells (blue or ... | 1978 | 75068 |
| isolation and characterization of rabbit antibodies to bovine myelin basic protein. | | 1978 | 75174 |
| the requirement of specific antibody for the killing of e. coli by the alternate complement pathway in bovine serum. | experiments using the selective divalent cation chelator, ethylene glycol tetraacetic acid (egta) showed that the alternate complement pathway was involved in the bactericidal action of bovine serum on two strains of e. coli. the bactericidal system was shown, in experiments involving egta and epsilon-amino caproic acid, to be independent of ca++ and the c1 unit of complement. the fixation of the complement components c3-c9 by endotoxin does not require a functional classical pathway ((c1, c4 an ... | 1978 | 75177 |
| immunological relatedness of high mobility group chromosomal proteins from calf thymus. | the non-histone proteins hmg-1, hmg-2, hmg-3, hmb-8, hmg-14, and hmg-17 (goodwin, g. h., sanders, c., and johns, e. w. (1973) eur. j. biochem. 38, 14) were purified from calf thymus. the apparent molecular weights on polyacrylamide gels run in the presence of sodium dodecyl sulfate of the high mobility group (hmb) proteins were determined. those for hbg-1 and hmg-2 agreed with the molecular weights determined by sedimentation; that for hmg-17 was anomalously high. antibodies against hmg-1 were e ... | 1978 | 75209 |
| antigen-specific t-cell-mediated suppression. i. induction of l-glutamic acid60-l-alanine30-l-tyrosine10 specific suppressor t cells in vitro requires both antigen-specific t-cell-suppressor factor and antigen. | a combination of in vitro and in vivo techniques were used to explore the mode of action of both crude and purified suppressive extracts specific for the random copolymer l-giutamic acid(60)-l-alanine(30)-l-tyrosine(10) (gat- t(s)f) obtained from nonresponder dba/1 (h-2(q)) mice. normal dba/1 spleen cells were incubated under modified mishell-dutton culture conditions for 2 days together with crude or purified gat-t(s)f, and in the presence or absence of free gat. these cells were then washed ex ... | 1978 | 75231 |
| ontogeny of b-lymphocyte function. v. thymus cell involvement in the functional maturation of b-lymphocytes from fetal mice transferred into adult irradiated hosts. | lethally irradiated mice reconstituted with adult thymus cells and neonatal or fetal liver cells produce an anti-2,4-dinitrophenyl or anti-bovine gamma globulin response of restricted heterogeneity of affinity in comparison with the response of mice reconstituted with b cells from adult donors. in addition, mice reconstituted with day 15 fetal b cells and adult thymus cells produce relatively few indirect plaque-forming cells (pfc). it was found that b cells acquire the capacity to produce a het ... | 1978 | 75233 |
| h-2-restricted cytotoxic effectors generated in vitro by the addition of trinitrophenyl-conjugated soluble proteins. | murine spleen cells from normal donors were cultured in vitro with trinitrobenzene sulfonate (tnbs)-conjugated soluble proteins, i.e., bovine gamma globulin (tnp-bgg) or bovine serum albumin (tnp-bsa). addition of 100 mug of any of these tnp-proteins to the spleen cell cultures led to the generation of cytotoxic t-cell effectors which were h-2-restricted and tnp- specific. the lytic potential of such effectors was comparable to that generated by sensitization with tnbs-modified syngeneic cells, ... | 1978 | 75237 |
| infection of human cell cultures with bovine visna virus. | fibroblastoid cell cultures derived from leukaemic bone marrow were successfully infected with bvv. after 2 months of subcultivation the cultures showed the appearance of foci of altered cells, suggestive of malignant transformation. such foci were absent in non-inoculated cultures. both control and inoculated cultures had a limited life span, i.e. neither of them could be developed into continuous transformed cell lines. the presence of at least some bvv genome functions in the inoculated cells ... | 1978 | 75246 |
| light-microscopical diagnosis of rabies. a reappraisal. | the validity of reports suggesting that lyssa and negri bodies are non-specific in the light-microscopical diagnosis of rabies was investigated. with seller's impression technique, a substantial proportion of speciments found to be non-rabid with the fluorescent-antibody technique showed structures indistinguishable from lyssa or negri bodies. neither histological examination nor inoculation of animals with non-rabid seller-positive material explained the nature of these rabies-like structures. ... | 1978 | 75337 |
| a double-blind controlled crossover trial of an antigen-avoidance diet in atopic eczema. | 20 out of 36 children (aged two to eight years) with atopic eczema completed a twelve-week, double-blind, controlled, crossover trial of an egg and cows' milk exclusion diet. during the first and third four-week periods, patients on an egg and cows' milk exclusion diet received a soya-based milk substitute (trial period) or an egg and cows' milk preparation (control period). response was assessed in terms of eczema activity, number of areas affected, pruritus, sleeplessness, and antihistamine us ... | 1978 | 75438 |
| age-dependent presence of fetuin in bovine nasal secretion. | at least two age-dependent proteins were detected in nasal secretion (ns) of young calves by crossed immunoelectrophoresis. one of them was identified as fetuin. the other one was not identified. the concentration of fetuin in ns was found to increase in cases where a sample of ns had been obtained at birth and a second sample taken within 11 days. thereafter a decrease was always found towards day 15 or 30. | 1977 | 75558 |
| immunogenicity of cows' milk in man. (influence of age and of disease on serum antibodies to five cows' milk proteins). | passive haemagglutination has been used to measure serum antibodies to the five proteins of cows' milk--bovine serum albumin, bovine gamma-globulin, alpha-lactalbumin, beta-lactoglobulin and casein. titres of antibodies to these proteins, and a composite cows' milk antibody (cma) score, have been measured in 1,087 sera from children and adults. antibodies to all five proteins were detected in many specimens. age and disease influenced not only the absolute titres of antibody, but also the relati ... | 1977 | 75562 |
| a test model for mastitis drugs. a comparison between abimasten and hafpenzal. | | 1978 | 75581 |
| tissue distribution and residues of benzylpenicillin and aminoglycoside antibiotics in emergency-slaughtered ruminants. | | 1978 | 75582 |
| [percentage of plasma protein-bound and free 17-beta-estradiol, progesterone and testosterone during the sexual cycle and during pregnancy in cows]. | examined were 12 cows with normal sexual cycle and other 12 cows in the last 20 days of pregnancy, all animals belonging to the black-pied breed. it was found that plasma protein bound 17-beta estradiol, progesteron, and testosteron during the sexual cycle were 94.726 +/- 0.076, 94-500 +/- 0.125 and 94.122 +/- 0.066 per cent, respectively. in the last twenty days of pregnancy these values rose - 96.911 +/- 0.058, 96.124 +/- 0.074, and 96.040 +/- 0.115, respectively. in testing the binding capaci ... | 1977 | 75605 |
| bacteriostatic activity in cow's milk from udders infected with streptococcus agalactiae and staphylococcus aureus. | milk samples from infected udders contained more lactoperoxidase and more thiocyanate than before infection. irritation of 10 quarters of 5 cows caused the increase in the bacteriostatic activity of milk. bacteriostatic activity of milk from the udders infected with staphylococci dropped after several weeks of chronic mastitis. | 1977 | 75671 |
| diagnostic methods in food allergy in children. | | 1978 | 75701 |
| antibiotic treatments at drying-off of induced and natural infections of the bovine mammary gland. | | 1977 | 75709 |
| [radioimmunological determination of serum lh in cattle following biotechnically controlled and spontaneous estrus]. | | 1977 | 75718 |
| [use of megestrol acetate in estrus synchronization of heifers under industrialized conditions of cattle breeding]. | daily doses between 30 and 35 mg megestrol acetate were administered to 4,000 heifers over roughly two weeks and produced highly synchronising effects which, however, were lower in response to lower doses. rectal checks were applied to the ovaries of heifers which had received megestrol acetate and showed that here the number of mature follicles was higher than recorded from animals that had been given chlormadinone acetate. megestrol acetate, applied in granular form blended into mixed fodder, ... | 1977 | 75719 |
| [use of megesterol acetate for synchronization of estrus in cows]. | megestrol acetate has proved to be of positive impact upon synchronisation of oestrus in beef cows. fodder-borne administration of 35-45 mg megestrol acetate caused oestrus in nursing cows, accompanied by disorders in ovarian function. the physiological condition of the animal at the date of treatment was found to be of major relevance to success. evidence was produced to the strong action of serum obtained from pregnant mares in which the ratio of total gonadotrophic activity to luteinising act ... | 1977 | 75720 |
| interaction of the myelin basic protein with the anionic detergent sodium dodecyl sulphate. | the interaction of the myelin basic protein and two peptides derived from it with the anionic detergent sds (sodium dodecyl sulphate) was studied. at molar ratios of detergent/protein of up to approx. 20:1 the transient increase in turbidity (as measured by increases in a230) is proportional to the ratio. between ratios of 30:1 and 100:1 the effect of the detergent is constant and maximal. at molar ratios exceeding 100:1 the transient increase in turbidity decreases with increasing amounts of de ... | 1978 | 75728 |
| inhibition of the denaturation of human gamma globulin by a mixture of d-penicillamine disulfide and copper. a possible mechanism of action of d-penicillamine in rheumatoid arthritis. | | 1978 | 75730 |
| conformational studies on 13c-enriched human and bovine myelin basic protein, in solution and incorporated into liposomes. | | 1978 | 75742 |
| ontogeny of b-lymphocyte function. vii. effect of cyclic amp on the heterogeneity of the antibody produced by b lymphocytes from immature donors. | | 1978 | 75767 |
| prevention of experimental allergic encephalitis in guinea-pigs with spinal cord protein: optimum pretreatment schedules and appraisal of plausible mechanisms. | pretreatment of hartley guinea-pigs with three injections of 100 microgram of the purified bovine spinal cord protein, (scp), protected tham from clinical experimental allergic encephalitis (eae) when they were subsequently challenged with 50 microgram of purified bovine myelin basic protein (mybp) in freund's complete adjuvant (fca). the length of the optimum pretreated schedule was found to be 1 week and the animals were fully protected for 2 weeks. protection declined thereafter so that by 4 ... | 1977 | 75839 |
| stimulation and inhibition of macrophages prior to immunization with a hapten-carrier conjugate. | delayed hypersensitivity reactions and antibody-mediated reactions to the carrier and to the hapten have been studied in animals treated with bcg or/and trypan blue before immunization with a hapten-carrier complex. the results show that it is possible to induce, with bcg, at the beginning of the response, an antigenic competition between hapten and carrier moieties of the antigen molecule. macrophages which modulate the response to the hapten-carrier complex by acting both on t cells involved i ... | 1977 | 75840 |
| contamination of primary embryonic bovine kidney cell cultures with parainfluenza type 2 simian virus 5 and infectious bovine rhinotracheitis virus. | two different viruses were isolated from bovine embryonic cell cultures after two subcultures from the primary cells. one virus was identified as parainfluenza type 2 simian virus 5 (sv-5), and the other was identified as infectious bovine rhinotracheitis virus. six months later, stock cultures of pig kidney (pk-15) cells were found to be contaminated with sv-5 virus. we believe that the source of the sv-5 virus in the bovine cells was a cross-contamination from monkey kidneys during preparation ... | 1978 | 75889 |
| in vivo effects of anti-ia alloantisera. i. elimination of specific suppression by in vivo administration of antisera specific for i-j controlled determinants. | the in vivo effects of intravenous administration of alloantisera directed to i-j subregion coded determinants were investigated. in confirmation and extension of our previous results, anti-i-jk [b10.a(3r) anti-b10.a(5r)] and anti-i-js ([b10.a(3r) x b10.s(9r)]f1 anti-b10.htt) antisera, when administered in 1 to 10 microliter amounts at the time of immunization, led to twofold increases in the igm and igg plaque-forming cells (pfc) responses to suboptimal doses of sheep erythrocytes in a/j (i-jk) ... | 1978 | 75939 |
| microsomal antibody and circulating immune complexes in allergic gastroenteropathy. | | 1978 | 76210 |
| cow's milk protein and the small intestine. | | 1978 | 76236 |
| jejunal biopsy in cow's milk protein intolerance. | | 1978 | 76265 |
| [antigenic properties of chlamydia of different origins]. | | 1978 | 76284 |
| xanthosis, an abnormal pigmentation of cattle. | xanthosis is seen in cattle in the abattoir. it is characterised by a dark brown colour of the heart muscle and certain skeletal muscles such as the masseter because of the presence of lipofuscin pigment. in a survey of its prevalence in 1000 cattle of varying breeds xanthosis was identified in about 25 per cent of ayrshire cattle and the occasional ayrshire cross. it was not seen in other breeds. the incidence of one affected and three normal suggests that this condition may result from the inh ... | 1978 | 76364 |
| [group and type antigenic specificity of bovine adenovirus type 1 hexons]. | hexones were obtained from the bovine serotypes 1 and 3. they were investigated through the complement-fixation test along with intact virions in the presence of a hemotype and a heterotype antiserum. it was shown that the free hexones were twice as reactogenic in the homotype system as compared to the heterotype one. the hexones were found to possess two antigenic determinants--a typespecific one and a group-specific one. the latter proved sensitive to chymotrypsin. intact vicions reacted chief ... | 1977 | 76368 |
| hydroxyproline to hydroxylysine molar ratio indicates collagen type. | by using the molar ratio hyp to hyl, types i and ii of collagen can be differentiated in 0.5 to 10 mg of dried, defatted tissue. analyses on human skin, tendon, bone, aorta, cartilage, as well as nucleus pulposus, and annulus fibrosus of intervertebral discs are reported. analyses of collagen of mesenchymal tissues of other vertebrates are also reported. from amino acid analysis of purified collagen samples published in the literature, the molar ratio hyp/hyl was calculated. type i and type iii ... | 1978 | 76387 |
| nerves and nerve endings in the skin of tropical cattle. | the nerves and nerve endings in the skin of tropical cattle were studied using histological and histochemical techniques. many nerve trunks and fibres were present in the reticular and papillary dermis in both hairy and non-hairy skin sites. in non-hairy skin locations such as the muzzle and lower lip, encapsulated endings akin to krause and ruffini end bulbs, which arise from myelinated nerve trunks situated lower down the dermis were observed at the upper papillary layer level. some fibre trun ... | 1978 | 76410 |
| [studies on antigenspecific immunosuppression: influence of 6-mercaptopurine-bgg-conjugates on bgg binding cells (author's transl)]. | the rosette forming cell (rfc) response of different lymphoid organs (spleen, lymph node, peripheral blood) of guinea pigs was examined by immunocytoadherence. the method has been adapted to work with the soluble antigen bgg. the number of antigen binding cells following immunization with bgg in cfa reached the highest level on day 6 in ln. popliteus and on the 10th day in spleen and peripheral blood. it is shown that the highest level of antigen binding cells appears generally before the maximu ... | 1977 | 76446 |
| immunohistochemical study of a large molecular fragment of thyroglobulin in parafollicular cells. | thyroglobulin-like immunoreactivity of the parafollicular cells was studied by an immunoperoxidase bridge technique using antisera against dog thyroglobulin fragments. 1. the dog parafollicular cells were specifically stained by anti-peak i (27s and larger components fraction) antiserum absorbed with peak ii (19s fraction). by this method, they were easily distinguishable from the non-reactive follicular cells and colloid droplets. more sensitive staining of the parafollicular cells was possible ... | 1978 | 76516 |
| antigenic activity and mobility of bovine pituitary hormones. | the antigenic activity and mobility of bovine pituitary hormones; follicle stimulating hormone (fsh), growth hormone (gh), luteinizing hormone (lh), thyroid stimulating hormone (tsh), adrenocorticotropic hormone (acth) and melanophore stimulating hormone (msh) were studied with the aid of agar gel diffusion and electrophoresis. msh and acth were the only hormones not demonstrating antigenicity. tests by electrophoresis showed "gamma" mobility of the pituitary hormones exhibiting antigenic activi ... | 1978 | 76563 |
| immunochemical characterization of ferredoxin from halobacterium of the dead sea. | | 1978 | 76564 |
| specific reaction of aloe extract with serum proteins of various animals. | we found that aloe extract contains a lectin-like substance which reacts with serum proteins of various animals. furthermore, in human serum 2 proteins, alpha2-macroglobulin and alpha1-antitrypsin, were shown to be reactive with aloe extract. | 1978 | 76572 |
| requirements for induction of delay hypersensitivity in the chicken. | | 1978 | 76579 |
| formation of free radicals from carcinogenic benz[c]acridines in the presence of proteins. | formation of a free radical from carcinogenic and noncarcinogenic benz[c]acridine derivatives in the presence of proteins was examined. when aqueous mixture of benz[c]acridine and protein was stirred for a long period, shielded from light, benz[c]acridines were converted into free radicals. albumin had the greatest effect in accelerating the free radical formation, and the effect was smaller in globulin, histone, and deoxyribonuclease. the g-value of the free radicals thus obtained was 2.005. in ... | 1978 | 76583 |
| comparison of two aqueous biphasic systems used for the partition of biological material. | two biphasic systems, both consisting of water, dextran and poly(ethylene glycol) but differing in the molecular weight of the latter polymer, mr = 35 000 (systems a) and 6000 (systems b), have been studied. the phase diagrams for the two systems at 20 degrees are compared. the partition of proteins influenced by salts and the viscosity of the phases are direct functions of the difference in composition between the upper and the lower phase as measured by the lengths of the tie-lines found for t ... | 1978 | 76632 |
| [use of whole blood in place of serum in determining sorbitol dehydrogenase activity]. | | 1978 | 76733 |
| [serum protein fractionation by rivanol]. | | 1978 | 76739 |
| determination of serum sex hormone binding globulin (shbg) in preadolescent and adolescent boys. | | 1978 | 76743 |