Novel polypeptides
    5.
    发明授权
    Novel polypeptides 失效
    新型多肽

    公开(公告)号:US4073890A

    公开(公告)日:1978-02-14

    申请号:US726052

    申请日:1976-09-23

    摘要: Novel polypeptides of the formulaR.sub.1 --Arg--R.sub.2 --Phe--Phe--R.sub.3wherein R.sub.1 is hydrogen, or a basic or neutral amino acid residue, R.sub.2 is a neutral amino acid residue and R.sub.3 is NH.sub.2, Tyr--NH.sub.2, a residue of tyrosyl peptides consisting of 1 to 5 amino acid residues or amides of the tyrosyl peptides, provided that when R.sub.1 is hydrogen, R.sub.2 is Pro, are effectively used for treatment of insufficiency of carbohydrate metabolism and of lipid metabolism, especially for the treatment of diabetes by not only parenteral administration but also oral administration.

    摘要翻译: 式R1-Arg-R2-Phe-Phe-R3的新型多肽,其中R1是氢,或碱性或中性氨基酸残基,R2是中性氨基酸残基,R3是NH2,Tyr-NH2,酪氨酰基的残基 由酪氨酰肽的1至5个氨基酸残基或酰胺组成的肽,条件是当R1为氢时,R2为Pro,可有效用于治疗碳水化合物代谢和脂质代谢不足,特别是用于治疗糖尿病 只有肠胃外给药,而且口服。

    Atrial natriuretic peptide derivative
    7.
    发明授权
    Atrial natriuretic peptide derivative 失效
    ATRIAL NATRIURETIC DEPORATIVE

    公开(公告)号:US5159061A

    公开(公告)日:1992-10-27

    申请号:US101199

    申请日:1987-09-25

    摘要: A peptide derivative of the formula ##STR1## wherein A is hydrogen or a hydrocarbon acyl having 2 to 18 carbon atoms which is substituted by an amino group at the .alpha.-position; B is F-Gly wherein F is a neutral .alpha.-amino acid residue, or NH-(CH.sub.2)nCO wherein n is an integer of 1 to 4; C is a neutral .alpha.-amino acid residue; and E is L-Arg or D-Arg; when A, B and C are hydrogen, Gly-Gly, and Met or Ile, respectively, E is D-Arg, or its pharmacologically acceptable salt has strong hypotensive and natriuretic activity; therefore it is useful as a therapeutic drug for hypertension, a diuretic, and a therapeutic drug for cardiac and cerebral circulatory diseases.

    摘要翻译: 其中A是氢或具有2至18个碳原子的烃基,其被α-位上的氨基取代, ; B是F-Gly,其中F是中性α-氨基酸残基或NH-(CH 2)n CO,其中n是1至4的整数; C是中性α-氨基酸残基; 且E为L-Arg或D-Arg; 当A,B和C分别为氢,Gly-Gly和Met或Ile时,E为D-Arg,或其药理学上可接受的盐具有强烈的降血压和利尿钠活性; 因此作为心血管和脑循环系统疾病的高血压,利尿剂,治疗药物的治疗药物是有用的。

    Novel glucagon fragment and its derivatives
    10.
    发明授权
    Novel glucagon fragment and its derivatives 失效
    新型胰高血糖素片段及其衍生物

    公开(公告)号:US4206199A

    公开(公告)日:1980-06-03

    申请号:US924553

    申请日:1978-07-14

    CPC分类号: C07K14/605

    摘要: (a) A novel glucagon fragment (15-29) of the formula:H-Asp-Ser-Arg-Arg-Ala-Gln-Asp-Phe-Val-Gln-Trp-Leu-Met-Asn-Thr-OH,(b) a novel product obtained by conjugating the glucagon fragment (15-29) with bovine serum albumin by means of glutalaldehyde,(c) a novel antibody specifically reactive to pancreatic glucagon produced by administering to a mammalian animal the product of the above (b), and(d) a novel peptide of the formula ##STR1## wherein R.sub.1 and R.sub.2 respectively mean H or radioactive I, R.sub.3 is an alkane residue having up to 4 carbon atoms which may optionally have NH.sub.2 or OH, R.sub.4 is a peptide fragment corresponding to the 1 to 5 amino acid residues ending with the 19-alanyl of pancreatic glucagon, and R.sub.5 is Met or Nle, being efficiently useful for estimation by radioimmunoassay of pancreatic glucagon levels in blood together with the antibody of the above (c).

    摘要翻译: (a)下式的新型胰高血糖素片段(15-29):H-Asp-Ser-Arg-Arg-Ala-Gln-Asp-Phe-Val-Gln-Trp-Leu-Met-Asn-Thr-OH, (b)通过用戊二醛与胰高血糖素片段(15-29)与牛血清白蛋白缀合而获得的新产品,(c)通过向哺乳动物施用上述产物而产生的对胰高血糖素特异性反应的新型抗体 b)和(d)下式的新型肽:其中R 1和R 2分别表示H或放射性I,R 3是具有至多4个碳原子的烷烃残基,其可任选地具有NH 2或OH R4是与胰高血糖素的19-丙氨酸结合的1至5个氨基酸残基相对应的肽片段,R5是Met或Nle,可有效地用于通过放射免疫测定血液中的胰高血糖素水平与抗体 以上(c)。