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    • 39. 发明授权
    • Tetrapeptides and methods
    • 四肽和方法
    • US4232008A
    • 1980-11-04
    • US960550
    • 1978-11-17
    • Gideon Goldstein
    • Gideon Goldstein
    • A61K38/00C07K5/103C07K5/113C07K7/06A61K37/00C07C103/52
    • C07K7/06C07K5/1008C07K5/1021C07K7/062A61K38/00Y10S930/18
    • There are disclosed new biologically active polypeptides containing the following polypeptide segment:--ALA--LYS--SER--GLN--Biological activity is generally retained upon substitution of a natural or non-natural amino acid residue for either or both of L-alanyl in the first position and L-seryl in the third position.These polypeptides have the capability of inducing the differentiation of T-lymphocytes as measured by the acquisition of the thymic differentiation antigen Th-1, as well as B-lymphocytes as measured by the acquisition of the differentiation antigen Bu-1. The polypeptides are thus useful in thymic function and immunity areas such as in treatment for congenital absence of thymus. Also provided are substituted polypeptides, methods of manufacture of the polypeptides, therapeutic compositions, and methods for use of the polypeptides.
    • 公开了含有以下多肽片段的新的生物活性多肽:-ALA-LYS-SER-GLN-生物活性通常在第一次取代天然或非天然氨基酸残基中的任何一个或两个L-丙氨酰基时保留 位置和L-丝氨酰在第三位置。 如通过获得分化抗原Bu-1所测得的胸腺分化抗原Th-1以及B淋巴细胞的测定,这些多肽具有诱导T淋巴细胞分化的能力。 因此,多肽可用于胸腺功能和免疫领域,例如先天性缺乏胸腺的治疗。 还提供了取代的多肽,多肽的制备方法,治疗组合物和多肽的使用方法。
    • 40. 发明授权
    • Tripeptides and methods
    • 三肽和方法
    • US4215112A
    • 1980-07-29
    • US20159
    • 1979-03-14
    • Gideon GoldsteinGeorge Heavner
    • Gideon GoldsteinGeorge Heavner
    • C07K5/08A61K38/22A61P37/04A61P43/00C07C237/12C07C237/22C07K5/02C07K5/09A61K37/00C07C103/52
    • C07K5/0815Y10S930/18
    • There are disclosed new biological active polypeptides:A--X--Bwherein A is deamino-LYS or LYS; X is a suitable neutral aliphatic amino acid residue; e.g., one selected from the group consisting of SER, ALA, 2-Me-ALA, GLY, LEU, THR, D-SER, D-ALA, D-THR, allo-THR, D-LEU, and SAR; B is GLN-R', decarboxy-GLN, or ##STR1## and R' is a substituent which does not substantially affect the biological activity of the tripeptide.These polypeptides have the capability of inducing the differentiation of T-lymphocytes as measured by the acquisition of the thymic differentiation antigen Th-1, as well as B-lymphocytes as measured by the acquisition of the differentiation antigen Bu-1. The polypeptides are thus useful in thymic function and immunity areas such as in treatment for congenital absence of thymus. Also provided are therapeutic compositions and methods for use of the polypeptides.
    • 公开了新的生物活性多肽:A-X-B,其中A是脱氨基-LYS或LYS; X是合适的中性脂肪族氨基酸残基; 例如选自由SER,ALA,2-Me-​​ALA,GLY,LEU,THR,D-SER,D-ALA,D-THR,allo-THR,D-LEU和SAR组成的组中的一种; B是GLN-R',脱羧-GLN或,R'是基本上不影响三肽生物活性的取代基。 如通过获得分化抗原Bu-1所测得的胸腺分化抗原Th-1以及B淋巴细胞的测定,这些多肽具有诱导T淋巴细胞分化的能力。 因此,多肽可用于胸腺功能和免疫领域,例如先天性缺乏胸腺的治疗。 还提供了用于多肽的治疗组合物和方法。