The effect of alloxan diabetes on prolyl and lysyl hydroxylase activity in uninflamed and inflamed rat gingiva. 1985

N S Ramamurthy, and R A Greenwald, and M Schneir, and L M Golub

The influence of diabetes on gingival inflammation was studied through its effect on prolyl and lysyl-hydroxylase activities and on tissue-collagen content. Inflammation induced for 7 days with either endotoxin or antigen-antibody complexes reduced the activity of both enzymes by about 45 per cent, and decreased the concentration of soluble and insoluble collagens. Diabetes alone decreased the enzyme activity by more than 50 per cent but prevented the loss of the soluble and insoluble collagens which occurs during inflammation. The complex interaction of diabetes and inflammation on collagen metabolism in gingival tissue may be explained in part by abnormalities of collagen synthesis; alterations in collagen maturation and degradation, and in leukocyte function, may also occur.

UI MeSH Term Description Entries
D008240 Procollagen-Lysine, 2-Oxoglutarate 5-Dioxygenase A mixed-function oxygenase that catalyzes the hydroxylation of peptidyllysine, usually in protocollagen, to peptidylhydroxylysine. The enzyme utilizes molecular oxygen with concomitant oxidative decarboxylation of the cosubstrate 2-oxoglutarate to succinate. EC 1.14.11.4. Lysine 2-Oxoglutarate Dioxygenase,Lysine Hydroxylase,Protocollagen Lysyl Hydroxylase,Collagen Lysyl Hydroxylase,Lysyl Hydroxylase,2-Oxoglutarate 5-Dioxygenase Procollagen-Lysine,2-Oxoglutarate Dioxygenase, Lysine,5-Dioxygenase Procollagen-Lysine, 2-Oxoglutarate,Dioxygenase, Lysine 2-Oxoglutarate,Hydroxylase, Collagen Lysyl,Hydroxylase, Lysine,Hydroxylase, Lysyl,Hydroxylase, Protocollagen Lysyl,Lysine 2 Oxoglutarate Dioxygenase,Procollagen Lysine, 2 Oxoglutarate 5 Dioxygenase
D008297 Male Males
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
D011919 Rats, Inbred Strains Genetically identical individuals developed from brother and sister matings which have been carried out for twenty or more generations or by parent x offspring matings carried out with certain restrictions. This also includes animals with a long history of closed colony breeding. August Rats,Inbred Rat Strains,Inbred Strain of Rat,Inbred Strain of Rats,Inbred Strains of Rats,Rat, Inbred Strain,August Rat,Inbred Rat Strain,Inbred Strain Rat,Inbred Strain Rats,Inbred Strains Rat,Inbred Strains Rats,Rat Inbred Strain,Rat Inbred Strains,Rat Strain, Inbred,Rat Strains, Inbred,Rat, August,Rat, Inbred Strains,Rats Inbred Strain,Rats Inbred Strains,Rats, August,Rats, Inbred Strain,Strain Rat, Inbred,Strain Rats, Inbred,Strain, Inbred Rat,Strains, Inbred Rat
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
D003921 Diabetes Mellitus, Experimental Diabetes mellitus induced experimentally by administration of various diabetogenic agents or by PANCREATECTOMY. Alloxan Diabetes,Streptozocin Diabetes,Streptozotocin Diabetes,Experimental Diabetes Mellitus,Diabete, Streptozocin,Diabetes, Alloxan,Diabetes, Streptozocin,Diabetes, Streptozotocin,Streptozocin Diabete
D005881 Gingiva Oral tissue surrounding and attached to TEETH. Gums,Interdental Papilla,Papilla, Interdental,Gum
D005891 Gingivitis Inflammation of gum tissue (GINGIVA) without loss of connective tissue. Gingivitides
D006899 Mixed Function Oxygenases Widely distributed enzymes that carry out oxidation-reduction reactions in which one atom of the oxygen molecule is incorporated into the organic substrate; the other oxygen atom is reduced and combined with hydrogen ions to form water. They are also known as monooxygenases or hydroxylases. These reactions require two substrates as reductants for each of the two oxygen atoms. There are different classes of monooxygenases depending on the type of hydrogen-providing cosubstrate (COENZYMES) required in the mixed-function oxidation. Hydroxylase,Hydroxylases,Mixed Function Oxidase,Mixed Function Oxygenase,Monooxygenase,Monooxygenases,Mixed Function Oxidases,Function Oxidase, Mixed,Function Oxygenase, Mixed,Oxidase, Mixed Function,Oxidases, Mixed Function,Oxygenase, Mixed Function,Oxygenases, Mixed Function
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia

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