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2,254 Result(s)
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Article
The incorporation of phenylalanine-C14 into the proteins of sarcoma 45 and of the normal organs of rats
Studies of the incorporation of carbon-labelled phenylalanine-1-C14 into the proteins of sarcoma 45 and various organs of the rat were made. It was shown that the label was taken up rather intensively by the tumo...
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Role of hydrogen sulfide in mercury resistance determined by plasmid of Clostridium cochlearium T-2
Mercury resistance of Clostridium cochlearium T-2P was found to be controlled by a different mechanism from those reported so far since no mercury-reducing activity was detected in this strain.
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Asymmetric distribution of male and female foetuses in the pregnant rabbit uterus
The sex distribution of foetuses in the uterine horn of the pregnant rabbit was found to be asymmetrical, with more males being present in the left uterine horn and more females in the right (p<0.05).
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Possible role of membrane proteins in mercury resistance of Enterobacter aerogenes
Mercury resistance shown by a strain of Enterobacter aerogenes was found to be determined by a plasmid. The resistance appeared to be not due to enzymatic volatilization of mercury, but due to the alteration in c...
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Involvement of mercury methylation in microbial mercury detoxication
A vitamin B12 requiring strain was isolated fromChlostridium cochlearium T-2 C which is known to synthesize various types of vitamin B12 including methylcobalamin and has an ability to methylate inorganic mercury...
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Specific immunosuppression of IgE response to hapten DNP by DNP linked to monoclonal IgG1 in rats
The induction of the anti-DNP IgE in rat was suppressed by pretreatment of rats with the tolerogen synthesized by coupling DNP to rat IgG, i.e.; DNP7–10-IgG. It was found that DNP10-IgG1 was an effective toleroge...
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Cross-reactivity patterns of vaccinia-specific cytotoxic T lymphocytes from H-2K b mutants
Limit-dilution cultures were used to select vaccinia-immune T-cell populations from bml and bm3 mutant mice that were not lytic for virus-infected targets expressing the Kb and Db MHC glycoprotein. Approximately ...
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Crystallo-chemical properties of apatite in atremate brachiopod shells
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Conjugal septicemia:Salmonella typhimurim (STM) in a couple with AIDS
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HLA-JY328: Map** studies and expression of a polymorphic HLA class I gene
The JY328 clone was identified in a human genomic library using cDNA corresponding to mRNA for HLA-B7 as a probe. The L/328 cell line was established by cotransformation of mouse Ltk− cells with the herpes thymid...
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Structure and polymorphism of class I MHC antigen mRNA
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Establishment from mouse growth cartilage of clonal cell lines with responsiveness to parathyroid hormone, alkaline phosphatase activity, and ability to produce an endothelial cell growth inhibitor
Three clonal cell lines with differences in responsiveness to parathyroid hormone (PTH), alkaline phosphatase activity, and ability to produce an endothelial cell growth inhibitor(s) during more than 3 years, ...
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Production of monoclonal antibodies to lactate dehydrogenase (LDH) isoenzymes for immunohistochemical study on fixed tissue section
Purified lactate dehydrogenase (LDH) isoenzyme 1 (H or B subunits) and isoenzyme 5 (M or A subunits) were used to prepare monoclonal antibodies (MAb) suitable for immunohistochemical detection on formalin fixe...
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Effects of tumor necrosis factor α on proliferation and expression of differentiated phenotypes in rabbit costal chondrocytes in culture
Tumor necrosis factor α (TNFα) decreased the synthesis of glycosaminoglycan (GAG) in rabbit costal chondrocytes in culture, but did not stimulate the release of GAG from cell layers. Like chondrocytes cultured...
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In situ detection of human Ig light-chain mRNA on formalin-fixed and paraffin-embedded tissue sections using digoxigenin-labelled RNA probes
Digoxigenin-labelled RNA probes complementary to human immunoglobulin (Ig) kappa and lambda light-chain mRNAs were produced by in vitro transcription. Using these probes, several existing in situ hybridization pr...
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Primary cultures of rat hepatocytes in hollow fiber chambers
Hepatocyte culture may represent an alternative to the use of animals to study drug detoxification by the liver. An ideal in vitro system should closely mimic the in vivo environment by providing continuous me...
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Organomercurial resistance determinants in Pseudomonas K-62 are present on two plasmids
Pseudomonas strain K-62 was found to contain six plasmids. A mutant derivative cured of the 26-kb plasmid showed a higher sensitivity to mercurials; however, the strain was still able to volatilize them. Loss of...
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Microsomal casein kinase II in endoplasmic reticulum- and Golgi apparatus-rich fractions of ROS 17/2.8 osteoblast-like cells: An enzyme that modifies osteopontin
Osteopontin is an acidic phosphoprotein containing casein kinase II (CKII) phosphorylatable sites and an acidic amino acid cluster. The metabolically 32P-labelings of both serines and threonines in vitro in osteo...
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Cell culture contamination by mycobacteria
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Sequence analysis ofMHC class IIEb cDNAs fromH2 r andH2 p haplotypes