高迁移率族蛋白B-1(high mobility group box-B1,HMGB1),是一种非组蛋白染色体蛋白质,在正常情况下位于细胞内,参与多种生物学过程,包括维持核小体结构、调节基因转录、核糖核酸形成、DNA修复、V(D)J重组、分化和发展等。HMGB1主要参与...高迁移率族蛋白B-1(high mobility group box-B1,HMGB1),是一种非组蛋白染色体蛋白质,在正常情况下位于细胞内,参与多种生物学过程,包括维持核小体结构、调节基因转录、核糖核酸形成、DNA修复、V(D)J重组、分化和发展等。HMGB1主要参与炎症反应,并与肿瘤细胞的生长、浸润和转移有密切关系。HMGB1可能是一种抗凋亡结合蛋白,其过表达可抑制细胞凋亡,从而导致肿瘤的发生、生长。另外,HMGB1与纤维蛋白溶酶催化剂系统、基质金属蛋白酶的活化和促进黏附细胞迁移有关,这些与细胞侵袭、转移有关。拮抗HMGB1能起到抑制肿瘤生长、浸润及转移的作用。展开更多
High mobility group box-1(HMGB1)distributed widely.It exists in many organs.HMGB1 locates in nuclei and cytoplasm in normal condition.It involves in many activity of life(i.e.,duplication of DNA,cellular differentiati...High mobility group box-1(HMGB1)distributed widely.It exists in many organs.HMGB1 locates in nuclei and cytoplasm in normal condition.It involves in many activity of life(i.e.,duplication of DNA,cellular differentiation,gene expression).The immunocytes(i.e.,mononuclear macrophage and dendritic cells)secrete HMGB1 into the extracellular milieu when stimulated with LPS and cytokines.It acts as proinflammatory cytokines,activates inflammatory and immunological responses.As a late mediators of inflammation and last long,HMGB1 plays an important role in sepsis,so it may be a convenient and practical index in evaluating severity of sepsis and may be an important and new therapeutic target in sepsis.It has been initially proved in experimental and clinical study.展开更多
文摘高迁移率族蛋白B-1(high mobility group box-B1,HMGB1),是一种非组蛋白染色体蛋白质,在正常情况下位于细胞内,参与多种生物学过程,包括维持核小体结构、调节基因转录、核糖核酸形成、DNA修复、V(D)J重组、分化和发展等。HMGB1主要参与炎症反应,并与肿瘤细胞的生长、浸润和转移有密切关系。HMGB1可能是一种抗凋亡结合蛋白,其过表达可抑制细胞凋亡,从而导致肿瘤的发生、生长。另外,HMGB1与纤维蛋白溶酶催化剂系统、基质金属蛋白酶的活化和促进黏附细胞迁移有关,这些与细胞侵袭、转移有关。拮抗HMGB1能起到抑制肿瘤生长、浸润及转移的作用。
文摘High mobility group box-1(HMGB1)distributed widely.It exists in many organs.HMGB1 locates in nuclei and cytoplasm in normal condition.It involves in many activity of life(i.e.,duplication of DNA,cellular differentiation,gene expression).The immunocytes(i.e.,mononuclear macrophage and dendritic cells)secrete HMGB1 into the extracellular milieu when stimulated with LPS and cytokines.It acts as proinflammatory cytokines,activates inflammatory and immunological responses.As a late mediators of inflammation and last long,HMGB1 plays an important role in sepsis,so it may be a convenient and practical index in evaluating severity of sepsis and may be an important and new therapeutic target in sepsis.It has been initially proved in experimental and clinical study.
