RU2000131593A - SELECTIVE AGONISTS AND ANTAGONISTS IL-2. - Google Patents

SELECTIVE AGONISTS AND ANTAGONISTS IL-2.

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Publication number
RU2000131593A
RU2000131593A RU2000131593/04A RU2000131593A RU2000131593A RU 2000131593 A RU2000131593 A RU 2000131593A RU 2000131593/04 A RU2000131593/04 A RU 2000131593/04A RU 2000131593 A RU2000131593 A RU 2000131593A RU 2000131593 A RU2000131593 A RU 2000131593A
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Russia
Prior art keywords
protein
mutant human
2rαβγ
mutant
replaced
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RU2000131593/04A
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Russian (ru)
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RU2235729C2 (en
Inventor
Армен Б. ШАНАФЕЛТ
Джефри М. ГРИВ
Гари ДЖЕСМОК
Кеннет Дж. ЛЕМБАЧ
Гейл Д. ВЭТЦЕЛЬ
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Байер Корпорейшн
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Claims (23)

1. Полипептид, представляющий собой мутантный белок интерлейкина-2 человека с нумерацией согласно IL-2 дикого типа, где человеческий IL-2 замещен по крайней мере по одному положению, 20, 88 или 126, благодаря чему указанный мутантный белок активирует Т-клетки предпочтительно перед естественными киллерными (NK) клетками.1. The polypeptide, which is a mutant human interleukin-2 protein numbered according to wild-type IL-2, where human IL-2 is substituted at least at one position, 20, 88 or 126, so that said mutant protein activates T cells, preferably in front of natural killer (NK) cells. 2. Мутантный белок IL-2 человека по п. 1, в котором положение 20 замещено по сравнению с IL-2 дикого типа. 2. The mutant human IL-2 protein according to claim 1, wherein position 20 is substituted compared to wild-type IL-2. 3. Мутантный белок IL-2 человека по п. 2, в котором положение 20 замещено на изолейцин. 3. The mutant human IL-2 protein according to claim 2, wherein position 20 is replaced by isoleucine. 4. Мутантный белок IL-2 человека по п. 2, в котором положение 20 замещено на гистидин. 4. The mutant human IL-2 protein according to claim 2, wherein position 20 is replaced by histidine. 5. Мутантный белок IL-2 человека по п. 1, в котором положение 88 замещено по сравнению с IL-2 дикого типа. 5. The mutant human IL-2 protein according to claim 1, wherein position 88 is substituted compared to wild-type IL-2. 6. Мутантный белок IL-2 человека по п. 5, в котором положение 88 замещено на аргинин. 6. The mutant human IL-2 protein according to claim 5, wherein position 88 is replaced by arginine. 7. Мутантный белок IL-2 человека по п. 5, в котором положение 88 замещено на изолейцин. 7. The mutant human IL-2 protein of claim 5, wherein position 88 is replaced by isoleucine. 8. Мутантный белок IL-2 человека по п. 5, в котором положение 88 замещено на глицин. 8. The mutant human IL-2 protein of claim 5, wherein position 88 is replaced by glycine. 9. Мутантный белок IL-2 человека по п. 1, в котором положение 126 замещено по сравнению с IL-2 дикого типа. 9. The mutant human IL-2 protein according to claim 1, wherein position 126 is substituted in comparison with wild-type IL-2. 10. Мутантный белок IL-2 человека по п. 9, в котором положение 126 замещено на аспартат. 10. The mutant human IL-2 protein of claim 9, wherein position 126 is replaced with aspartate. 11. Мутантный белок IL-2 человека по п. 9, в котором положение 126 замещено на глутамат. 11. The mutant human IL-2 protein of claim 9, wherein position 126 is substituted for glutamate. 12. Мутантный белок IL-2 человека по п. 9, в котором положение 126 замещено на лейцин. 12. The mutant human IL-2 protein of claim 9, wherein position 126 is replaced by leucine. 13. Фармацевтическая композиция, включающая полипептид по п. 1 в комбинации с фармацевтически приемлемьм носителем. 13. A pharmaceutical composition comprising the polypeptide of claim 1 in combination with a pharmaceutically acceptable carrier. 14. Полинуклеотид, представляющий собой последовательность ДНК, кодирующую мутантный белок IL-2 человека по п. 1, и ее вырожденные варианты. 14. Polynucleotide, which is a DNA sequence encoding a mutant human IL-2 protein according to claim 1, and its degenerate variants. 15. Прокариотическая клетка-хозяин, трансформированная полинуклеотидом по п. 14. 15. A prokaryotic host cell transformed with a polynucleotide according to claim 14. 16. Вектор, включающий полинуклеотид по п. 14. 16. A vector comprising the polynucleotide according to claim 14. 17. Способ лечения млекопитающих, страдающих заболеваниями, поддающимися лечению IL-2, путем назначения терапевтически эффективного количества мутантного белка IL-2 человека по п. 1. 17. A method of treating mammals suffering from diseases treatable by IL-2 by administering a therapeutically effective amount of a mutant human IL-2 protein according to claim 1. 18. Способ по п. 17, где заболевание, поддающееся лечению IL-2, является одним из группы, включающей ВИЧ, рак, включая почечную карциному и злокачественную меланому, аутоиммунное заболевание, инфекционное заболевание, иммунодефицит, включая ГКИ, или другие терапевтические применения, требующие общей стимуляции иммунной системы. 18. The method according to p. 17, where the disease, treatable IL-2, is one of the group comprising HIV, cancer, including renal carcinoma and malignant melanoma, autoimmune disease, infectious disease, immunodeficiency, including GKI, or other therapeutic applications, requiring general stimulation of the immune system. 19. Способ отбора мутантных белков IL-2 по оценке их в исследованиях с применением IL-2Rαβγ в сравнении с IL-2Rβγ, где активность мутантного белка IL-2 повышается по отношению к IL-2 дикого типа в одном из исследований предпочтительно перед другим. 19. A method for selecting mutant IL-2 proteins according to their evaluation in studies using IL-2Rαβγ compared to IL-2Rβγ, where the activity of the mutant IL-2 protein is increased in relation to wild-type IL-2 in one of the studies, preferably before the other. 20. Способ по п. 19, где IL-2Rαβγ и IL-2Rαβγ представляют собой отдельные рецепторные субъединичные эктодомены в соответствующей комбинации и используются для оценки прямого связывания мутантных белков IL-2 с каждым рецепторным комплексом. 20. The method according to p. 19, where IL-2Rαβγ and IL-2Rαβγ are separate receptor subunit ectodomains in the appropriate combination and are used to evaluate direct binding of mutant IL-2 proteins to each receptor complex. 21. Способ по п. 19, где в исследовании с использованием IL-2Rαβγ учитывается ответ IL-2Rαβγ-несущих клеток, а в исследовании с использованием IL-2Rβγ учитывается ответ IL-2Rβγ-несущих клеток. 21. The method of claim 19, wherein the study using IL-2Rαβγ takes into account the response of IL-2Rαβγ-bearing cells, and the study using IL-2Rαβγ takes into account the response of IL-2Rαβγ-bearing cells. 22. Способ по п. 21, где IL-2Rαβγ-несущими клетками являются ФГА-бласты, а IL-2Rβγ-несущими клетками являются NK-клетки. 22. The method of claim 21, wherein the IL-2Rαβγ-bearing cells are PHA blasts and the IL-2Rβγ-bearing cells are NK cells. 23. Способ по п. 22, где исследуется пролиферация как IL-2Rαβγ-несущих клеток, так и IL-2Rβγ-несущих клеток. 23. The method according to p. 22, which examines the proliferation of both IL-2Rαβγ-bearing cells and IL-2Rβγ-bearing cells.
RU2000131593/04A 1998-05-15 1999-05-13 Selective agonists and antagonists of il-2 RU2235729C2 (en)

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