Solubilization of bovine heart-value collagen
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چکیده
منابع مشابه
Characterization and solubilization of gonadotropin receptor of bovine corpus luteum.
Plasma membranes isolated from bovine corpora lutea showed specific binding with 1251-human chorionic gonadotropin and 1251-human luteinizing hormone; unlabeled hormones competitively inhibited the binding. The binding of the 1251-human chorionic gonadotropin to the receptor was a saturable phenomenon and the half-saturation was attained at a concentration of 4 X lo-r0 M. Maximum hormone recept...
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Two types of proteoglycan subunits were obtained from bovine cornea, the first mainly composed of proteochondroitin sulphate and the second of proteokeratan sulphate. These two fractions can be obtained from the tissue as an aggregate, and are able to recombine each other after separation, to re-form the original structure. In order to investigate collagen-proteoglycan interactions, type-I coll...
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Little is known about collagen metabolism in heart failure, with or without left ventricular systolic dysfunction. We studied serum concentrations of the carboxy-terminal propeptide of procollagen type I (PIP), a marker of collagen type-I synthesis, and of the carboxy-terminal telopeptide of collagen type I (ICTP), a marker of collagen type-I degradation, in 70 patients admitted for heart failu...
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1. The solubilization of collagen and protein-polysaccharides from the developing cartilage of normal and lathyritic chicks was studied by using mild extraction procedures. One-third of the protein-polysaccharides could be solubilized in salt solutions at neutral pH from normal cartilage, whereas 95-100% could be extracted from the cartilage of animals that were severely lathyritic. Likewise, w...
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要 旨:乳 歯 の歯根吸収 の機序 につ いて知 るために,特 に歯質 の無機成 分の溶解 について検 討 を行 な った。 実験 には仔牛 の下顎 を用 い,歯 根 吸収 の進行 している乳歯 を抜去 してその 吸収組織 を採取 する とともに, 研究対照 と して骨 中よ り永久歯歯胚 を摘出 して,エ ナメル器 と歯乳頭 に分離 して実験 に供 した。 まず,吸 収組織 のin vitroに おけ る歯質溶解能の有無につい て確認す るために,牛 の永久歯切歯 の研磨片 の上 に吸収組織 を載せ て培養 した後,走 査型電顕 でそ の表面 を観察 した。 この結果,吸 収組織 は象牙質 のみ な らずエナ メル質 にお いても著明 な吸収窩 を形成 し,明 らかに歯質 を溶解す るこ とを認 めた。 次に,吸 収組織 と歯胚 の各組織 について,酸 素消 費量 と乳酸 生成量 ...
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ژورنال
عنوان ژورنال: Biochemical Journal
سال: 1978
ISSN: 0264-6021
DOI: 10.1042/bj1730337