DNA polymerase activity of cultured rheumatoid synovial cells. 1975

S L Spruance, and O C Richards, and C B Smith, and J R Ward

Cultured synovial cells from 8 patients with rheumatoid arthritis (RA) and 7 subjects without joint disease were assayed and comapred for RNA-directed and DNA-directed DNA polymerase activity. No activity was found in either RA or control specimens using a synthetic RNA template that specificically detects oncornavirus RNA-directed DNA polymerase. The DNA-directed DNA polymerase activity of RA specimens was increased (P less than 0.10) in the high-speed pellet fraction of cell lysates. The possible relationship of these finding to virus infection in RA is disscussed.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009053 Sarcoma Viruses, Murine A group of replication-defective viruses, in the genus GAMMARETROVIRUS, which are capable of transforming cells, but which replicate and produce tumors only in the presence of Murine leukemia viruses (LEUKEMIA VIRUS, MURINE). Finkel-Biskis-Jinkins murine sarcoma virus,Mouse Sarcoma Viruses,FBJ-MSV,FBR-MSV,Finkel-Biskis-Reilly murine sarcoma virus,Finkel Biskis Jinkins murine sarcoma virus,Finkel Biskis Reilly murine sarcoma virus,Murine Sarcoma Viruses,Sarcoma Viruses, Mouse
D002458 Cell Fractionation Techniques to partition various components of the cell into SUBCELLULAR FRACTIONS. Cell Fractionations,Fractionation, Cell,Fractionations, Cell
D004254 DNA Nucleotidyltransferases Enzymes that catalyze the incorporation of deoxyribonucleotides into a chain of DNA. EC 2.7.7.-. Nucleotidyltransferases, DNA
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D001172 Arthritis, Rheumatoid A chronic systemic disease, primarily of the joints, marked by inflammatory changes in the synovial membranes and articular structures, widespread fibrinoid degeneration of the collagen fibers in mesenchymal tissues, and by atrophy and rarefaction of bony structures. Etiology is unknown, but autoimmune mechanisms have been implicated. Rheumatoid Arthritis

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