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    • 18. 发明申请
    • TREATMENT AND PREVENTION OF ABNORMAL SCAR FORMATION IN KELOIDS AND OTHER CUTANEOUS OR INTERNAL WOUNDS OR LESIONS
    • 治疗和预防瘢痕疙瘩和其他皮肤或内部伤口或损伤中瘢痕形成的异常
    • WO2004041155A2
    • 2004-05-21
    • PCT/US2003/015548
    • 2003-05-13
    • CHILDREN'S HOSPITAL LOS ANGELESTUAN, Tai-LanBENYA, Paul, D.WARBURTON, David
    • TUAN, Tai-LanBENYA, Paul, D.WARBURTON, David
    • A61K
    • A61K31/401A61K31/355A61K31/495A61K31/56A61K31/58A61K38/005A61K2039/505C07K16/18
    • The present invention relates to findings that reducing the activity of Plasrninogen Activator Inhibitor-1 (PAI-1) suppresses an excessive deposition of collagen which is known as a cause for the formation of abnormal scars. These abnormal scars include but are not limited to keloids, adhesions, hypertrophic scars, skin disfiguring conditions, fibrosis, fibrocystic conditions, contractures, and scleroderma, all of which are associated with or caused by an excessive deposit of collagen in a wound healing process. Accordingly, aspects of the present invention are directed to the reduction of PAI-I activity to decrease an excessive accumulation of collagen, prevent the formation of an abnormal scar, and/or treat abnormal scars that result from an excessive accumulation of collagen. The PAI-1 activity can be reduced by PAI-1 inhibitors which include but are not limited to PAI 1 neutralizing antibodies, diketopiperazine based compounds, tetramic acid based compounds, C, Vitamin E, Mifepristone (RU486), and Spironolactone to name a few. Another aspect of the present invention is directed to methods of measuring PAI-I activity in a wound healing process and determining the propensity of the formation of an abnormal scar.
    • 本发明涉及降低纤维蛋白原激活剂抑制剂-1(PAI-1)活性的抑制剂,其抑制已知作为形成异常瘢痕的原因的胶原过度沉积。 这些异常疤痕包括但不限于瘢痕疙瘩,粘连,肥厚性瘢痕,皮肤损伤状况,纤维化,纤维囊性病症,挛缩和硬皮病,所有这些都与伤口愈合过程中胶原过量沉积有关或由其引起。 因此,本发明的方面涉及PAI-1活性的降低以减少胶原的过量累积,防止异常瘢痕的形成和/或治疗由胶原蛋白的过度累积引起的异常瘢痕。 PAI-1活性可通过PAI-1抑制剂降低,所述PAI-1抑制剂包括但不限于PAI1中和抗体,基于二酮哌嗪的化合物,基于特仑特酸的化合物,C,维生素E,米非司酮(RU486)和螺内酯,仅举几例 。 本发明的另一方面涉及在伤口愈合过程中测量PAI-1活性并确定形成异常瘢痕的倾向的方法。