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    • 81. 发明授权
    • Pulmonary hydrophobic surfactant-associated protein of 6,000 daltons
molecular weight and multimers thereof
    • 6,000道尔顿分子量的肺疏水性表面活性剂相关蛋白及其多聚体
    • US5387746A
    • 1995-02-07
    • US975202
    • 1992-11-12
    • Jeffrey A. Whitsett
    • Jeffrey A. Whitsett
    • A61K38/00A61K38/04C07K14/785C07K16/18G01N33/68A61K37/02C07K7/10
    • G01N33/6884A61K38/04C07K14/785C07K16/18Y10S530/848
    • A novel hydrophobic surfactant-associated protein mixture, i.e., a SAP-6 proteins, has been isolated from pulmonary animal tissue. A small, novel pulmonary hydrophobic surfactant-associated SAP-6-Val protein having a molecular weight of about 6,000 daltons as determined by SDS-PAGE and about 3,500-4,000 daltons as determined by tricine-SDS-PAGE has been further isolated from the SAP-6 protein mixture. The amino acid residue compositions of the SAP-6-Val protein for human and bovine have been determined and disclosed. When a SAP-6-Val protein is combined with phospholipids, it enhances the surfactant-like activity of the phospholipids in lungs of animals and, therefore, uniquely imparts to the mixture significant pulmonary biophysical activity. Such a mixture results in enhanced adsorption of the phospholipids with properties similar to that of natural pulmonary surfactant material. SAP-6-Val proteins in combination with phospholipids is highly useful for replacing or supplementing natural pulmonary surfactant material for reducing or maintaining normal surface tension in lungs, and especially in lungs of patients suffering from hyaline membrane disease, HMD, or other syndromes associated with the lack or insufficient amounts of natural pulmonary surfactant material. A mixture of a SAP-6-Val protein and phospholipids may be administered as an aerosol spray or in aqueous normal saline with or without calcium chloride for treating or preventing HMD and other surfactant deficiency states. Also disclosed are methods of isolating the noncanine SAP-6-Val proteins from the SAP-6 proteins isolated from animal tissue.
    • 从肺动物组织中分离出一种新的疏水表面活性剂相关蛋白混合物,即SAP-6蛋白。 通过SDS-PAGE测定分子量为约6,000道尔顿,通过tricine-SDS-PAGE测定的约3,500-4,000道尔顿的小型新型疏水表面活性剂相关SAP-6-Val蛋白质已从SAP中进一步分离 -6蛋白混合物。 人和牛的SAP-6-Val蛋白的氨基酸残基组成已被确定和公开。 当SAP-6-Val蛋白与磷脂组合时,它增强动物肺中磷脂的表面活性样活性,因此独特地赋予混合物显着的肺生物物理活性。 这种混合物导致磷脂的吸附性能与天然肺表面活性剂材料相似。 SAP-6-Val蛋白与磷脂组合是非常有用的替代或补充天然肺表面活性剂材料,以减少或保持肺部正常的表面张力,特别是在患有透明膜疾病,HMD或与其相关的其他综合征患者的肺部 天然肺表面活性物质的量不足或不足。 SAP-6-Val蛋白和磷脂的混合物可以作为气溶胶喷雾剂或含有或不含氯化钙的水性生理盐水施用,用于治疗或预防HMD和其它表面活性剂缺乏状态。 还公开了从动物组织分离的SAP-6蛋白质分离非蔗糖SAP-6-Val蛋白质的方法。
    • 85. 发明授权
    • NPY peptide analogs
    • NPY肽类似物
    • US5328899A
    • 1994-07-12
    • US882923
    • 1992-05-12
    • Jaroslav H. BoublikJean E. F. RivierMarvin R. BrownNeal A. Scott
    • Jaroslav H. BoublikJean E. F. RivierMarvin R. BrownNeal A. Scott
    • A61K38/00C07K14/575A61K37/02C07K7/08C07K7/10
    • C07K14/57545A61K38/00
    • Human Neuropeptide Y (NPY) has the formula: H-Tyr-Pro-Ser-Lys-Pro-Asp-Asn-Pro-Gly-Glu-Asp-Ala-Pro- Ala-Glu-Asp-Met-Ala-Arg-Tyr-Tyr-Ser-Ala-Leu-Arg-His-Tyr-Ile-Asn-Leu-Ile- Thr-Arg-Gln-Arg -Tyr-NH.sub.2. Porcine and rat NPY have the same sequence except for Leu instead of Met in the 17-position. Porcine PYY is homologous having 11 different residues. NPY analogs and N-terminally-shortened fragments, e.g. NPY(18-36), which contain one or more specific D-isomer substitutions for the naturally occurring residues (as well as pharmaceutically acceptable salts thereof), dispersed in a pharmaceutically acceptable liquid or solid carrier, can be administered to mammals, including humans, to substantially lower blood pressure over an extended period of time or to counteract hypertension.
    • 人神经肽Y(NPY)具有下式:H-Tyr-Pro-Ser-Lys-Pro-Asp-Asn-Pro-Gly-Glu-Asp-Ala-Pro-Ala-Glu-Asp-Met-Ala-Arg- Tyr-Tyr-Ser-Ala-Leu-Arg-His-Tyr-Ile-Asn-Leu-Ile-Thr-Arg-Gln-Arg-Tyr-NH2。 猪和大鼠NPY具有相同的序列,除了Leu而不是17位的Met。 猪PYY具有11个不同残基的同源物。 NPY类似物和N-末端缩短的片段,例如 对于分散在药学上可接受的液体或固体载体中的天然存在的残基(以及其药学上可接受的盐)含有一个或多个特异性D-异构体取代的NPY(18-36)可以施用于包括人在内的哺乳动物 ,以在更长的时间内大幅降低血压或抵抗高血压。
    • 86. 发明授权
    • Amphiphilic peptide compositions and analogues thereof
    • 两亲肽组合物及其类似物
    • US5294605A
    • 1994-03-15
    • US725331
    • 1991-07-08
    • Richard A. HoughtenSylvie Blondelle
    • Richard A. HoughtenSylvie Blondelle
    • A61K38/00C07K7/08C07K14/46A61K37/02C07K7/10
    • C07K14/46C07K7/08A61K38/00
    • A process for inhibiting growth of a target cell comprising administering to a host or to a target cell or virus a biologically active peptide which includes one of the following basic structures; R.sub.1 -R.sub.1 -R.sub.2 -R.sub.1 -R.sub.1 -R.sub.2 -R.sub.2 -R.sub.1 -R.sub.1 -R.sub.2 -R.sub.2 -R.sub.1 -R.sub.2 -R.sub.2 ; R.sub.2 -R.sub.1 -R.sub.1 -R.sub.2 -R.sub.2 -R.sub.1 -R.sub.2 -R.sub.2 -R.sub.1 -R.sub.1 -R.sub.2 -R.sub.2 -R.sub.1 -R.sub.1 ; or R.sub.1 -R.sub.2 -R.sub.1 -R.sub.1 -R.sub.2 -R.sub.2 -R.sub.1 -R.sub.1 -R.sub.2 -R.sub.2 -R.sub.1 -R.sub.2 -R.sub.2 -R.sub.1 -R.sub.1 -R.sub.2 -R.sub.2 -R.sub.1, wherein R.sub.1 is a hydrophobic amino acid, and R.sub.2 is a basic hydrophilic or neutral hydrophilic amino acid. A preferred peptide is of the structural formula:(SEQ ID NO:3).Substitution and deletion analogues of this peptide can be prepared that have increased biological activity. Such peptides can be employed as pharmaceuticals.
    • 一种抑制靶细胞生长的方法,包括向宿主或靶细胞或病毒施用包括以下基本结构之一的生物活性肽; R1-R1-R2-R1-R1-R2-R2-R1-R1-R2-R2-R1-R2-R2; R2-R1-R1-R2-R2-R1-R2-R2-R1-R1-R2-R2-R1-R1; 或R1-R2-R1-R1-R2-R2-R1-R1-R2-R2-R1-R2-R2-R1-R1-R2-R2-R1,其中R1是疏水性氨基酸,R2是碱性 亲水或中性亲水氨基酸。 优选的肽具有以下结构式:(SEQ ID NO:3)。 可以制备具有增加的生物活性的该肽的取代和缺失类似物。 这样的肽可以用作药物。
    • 87. 发明授权
    • Treatment of insulin resistance
    • 治疗胰岛素抵抗
    • US5281581A
    • 1994-01-25
    • US901602
    • 1992-06-19
    • Garth J. S. CooperHoward Greene, Jr.
    • Garth J. S. CooperHoward Greene, Jr.
    • A61K38/00A61P3/10C07K14/575C07K16/26A61K37/02C07K7/08C07K7/10
    • C07K16/26C07K14/575A61K38/00Y10S514/866
    • Compounds and methods for blocking the effects of diabetes-associated peptide, or "amylin", a hormone found in the amyloid masses of Type 2 diabetics. This putative hormone has been discovered to function both to inhibit insulin secretion and to inhibit glycogen synthesis. Regulation is accomplished by blocking the binding of amylin or amylin agonists, including calcitonin gene related peptide (CGRP], or biologically active sub-peptides thereof. Inhibitors include substituted peptides or sub-peptides of amylin or CGRP, cross-linked amylin and amylin agonists, synthetic amylin, anti-amylin receptor antibodies and anti-idiotype antibodies, and antibodies directed to amylin and amylin agonist active sites. Other antagonists include organic compounds which can be screened and assayed for anti-amylin effects by disclosed methods.
    • 用于阻断糖尿病相关肽或“胰岛淀粉样多肽”的作用的化合物和方法,其是在2型糖尿病患者的淀粉样蛋白质中发现的激素。 已经发现这种推定的激素既能抑制胰岛素分泌又抑制糖原合成。 通过阻断胰岛淀粉样多肽或胰岛淀粉样多肽激动剂(包括降钙素基因相关肽(CGRP))或其生物活性亚肽的结合来完成调节。 抑制剂包括取代的肽或胰岛淀粉样多肽或CGRP的亚肽,交联的胰岛淀粉样多肽和胰岛淀粉样多肽激动剂,合成的胰岛淀粉样多肽,抗胰岛淀粉样多肽受体抗体和抗独特型抗体,以及针对胰岛淀粉样多肽和胰岛淀粉样多肽激动剂活性位点的抗体。 其他拮抗剂包括可以通过公开的方法筛选和测定抗胰淀素效应的有机化合物。