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[Serum type III procollagen N-terminal peptide in patients with collagen diseases]. 1990

A Aoki, and E Hagiwara, and Y Atsumi, and A Shirai, and T Igarashi, and M Narita, and K Matsunaga, and Y Ishigatsubo, and K Tani, and T Okubo
Department of First Internal Medicine, Yokohama City University School of Medicine.

The serum concentration of type III procollagen N-terminal peptide (P III P) level is known to reflect the activity of collagen biosynthesis. To analyze the correlation between the disease activity and serum P III P levels in collagen diseases, serum P III P levels in patients with rheumatoid arthritis (RA), progressive systemic sclerosis (PSS), and other collagen diseases were measured. In some patients serum levels of prolyl++-hydroxylase, which is an intra-cellular enzyme of collagen biosynthesis, were measured. Serum P III P levels were elevated in patients with PSS and MCTD/overlap syndrome, suggesting a high rate of collagen biosynthesis by fibroblasts. Patients with RA showed no significant elevation of serum P III P compared with normal control group. But the group of RA patients with elevated ESR and/or serum CRP values showed high levels of serum P III P. The correlation between the disease activity and serum P III P levels was observed in RA patients with positive rheumatoid factor (RF), but not patients without RF. In addition we measured P III P levels in synovial fluid of RA and osteoarthritis patients. The levels were one to three hundred times higher than serum levels, and they showed the positive correlation with serum levels, suggesting that serum P III P might be originated from synovial P III P.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D010446 Peptide Fragments Partial proteins formed by partial hydrolysis of complete proteins or generated through PROTEIN ENGINEERING techniques. Peptide Fragment,Fragment, Peptide,Fragments, Peptide
D011347 Procollagen A biosynthetic precursor of collagen containing additional amino acid sequences at the amino-terminal and carboxyl-terminal ends of the polypeptide chains. Protocollagen,Procollagen Type M
D011393 Procollagen-Proline Dioxygenase A mixed-function oxygenase that catalyzes the hydroxylation of a prolyl-glycyl containing peptide, usually in PROTOCOLLAGEN, to a hydroxyprolylglycyl-containing-peptide. The enzyme utilizes molecular OXYGEN with a concomitant oxidative decarboxylation of 2-oxoglutarate to SUCCINATE. The enzyme occurs as a tetramer of two alpha and two beta subunits. The beta subunit of procollagen-proline dioxygenase is identical to the enzyme PROTEIN DISULFIDE-ISOMERASES. Protocollagen Prolyl Hydroxylase,Procollagen Prolyl 4-Hydroxylase,4-Hydroxylase, Procollagen Prolyl,Dioxygenase, Procollagen-Proline,Hydroxylase, Protocollagen Prolyl,Procollagen Proline Dioxygenase,Procollagen Prolyl 4 Hydroxylase,Prolyl 4-Hydroxylase, Procollagen,Prolyl Hydroxylase, Protocollagen
D003094 Collagen A polypeptide substance comprising about one third of the total protein in mammalian organisms. It is the main constituent of SKIN; CONNECTIVE TISSUE; and the organic substance of bones (BONE AND BONES) and teeth (TOOTH). Avicon,Avitene,Collagen Felt,Collagen Fleece,Collagenfleece,Collastat,Dermodress,Microfibril Collagen Hemostat,Pangen,Zyderm,alpha-Collagen,Collagen Hemostat, Microfibril,alpha Collagen
D003095 Collagen Diseases Historically, a heterogeneous group of acute and chronic diseases, including rheumatoid arthritis, systemic lupus erythematosus, progressive systemic sclerosis, dermatomyositis, etc. This classification was based on the notion that "collagen" was equivalent to "connective tissue", but with the present recognition of the different types of collagen and the aggregates derived from them as distinct entities, the term "collagen diseases" now pertains exclusively to those inherited conditions in which the primary defect is at the gene level and affects collagen biosynthesis, post-translational modification, or extracellular processing directly. (From Cecil Textbook of Medicine, 19th ed, p1494) Collagen Disease,Disease, Collagen,Diseases, Collagen
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

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