[LYS47]ヒルジン(HV2) ヒル由来

危険有害性情報のコード(GHS)

• 絵表示(GHS)

  

• 注意喚起語

  Danger

• 危険有害性情報

  H317：アレルギー性皮膚反応を起こすおそれ

  H334：吸入するとアレルギー、喘息または、呼吸困難 を起こすおそれ

• 注意書き

  P280：保護手袋/保護衣/保護眼鏡/保護面を着用するこ と。

[LYS47]ヒルジン(HV2) ヒル由来 価格

[LYS47]ヒルジン(HV2) ヒル由来 化学特性,用途語,生産方法

• 説明

  Refludan was launched in Germany for heparin-associated thrombocytopenia. Originally isolated from the saliva of leeches (Hirudo medicinalis), the gene for recombinant hirudin was synthesized and expressed in Saccharomyces cerevisiae. The isolated protein is 65 amino acids differing from the native protein by the first two amino acids (Leu1 and Thr2) and Tyr63 is not sulfated, while it does retain the three disulfide bonds. Refludan is a potent, specific and almost irreversible inhibitor of thrombin with which it forms a 1:1 complex. The N-terminal domain binds to the active catalytic site of thrombin, while the C-terminal end binds to the anion binding exosite (fibrinogen binding cleft). It has several advantages over heparin: it can inhibit thrombin bound to extracellular matrices, does not require antithrombin Ⅲ as a cofactor, is not inhibited by activated platelet nor increases platelet activity, and is a pure, single compound with a single mechanism of action. It is useful for myocardial infarcts, unstable angia and cardiovascular events. Heparin treatment can be inhibited by platelets activated by the Fc fragment of antibodies developed to the antigen of heparin-platelet factor 4. A corresponding inactivation of Refuldan is not known.

• 使用

  Recombinant hirudin from yeast has been used in mannan-binding lectin serine protease 2 (MASP2) activation assay. It has also been used in pre-treating the nanosheets in phosphate buffered saline (PBS) for platelet adhesion assay.

• 一般的な説明

  Hirudin is a 7 kDa acidic protein containing 65 amino acid residues that has an isoelectric point of 3.5-4.0. It is not glycosylated and lacks tryptophan, arginine and methionine residues. It is chemically stable between pH 2-12 and at temperatures up to 80°C.

[LYS47]ヒルジン(HV2) ヒル由来 生産企業

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