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雌激素和雌激素受体参与造血和免疫功能调节的研究进展 被引量:10

Progress in the study of estrogen and estrogen receptors in the hematopoietic and immune system
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摘要 新近研究证明 ,雌激素及其受体 (ER)参与造血和免疫功能调节。在造血干细胞、骨髓基质细胞、T细胞、B细胞和树突状细胞中都有ERα和ERβ的表达。ERα缺乏 (ERα- / - )导致胸腺和脾脏发育不全 ,不成熟的CD4 + CD8+ 双阳性细胞所占的比例增加。卵巢切除的ERβ基因敲除小鼠(ERβ- / - )给予雌激素后的表型和野生型相似 ,虽然胸腺皮层有少许退化 ,但CD4 /CD8表型没有改变。ERα- / - 小鼠骨髓细胞数稍有增加 ,而骨髓的原 /前 (pro/pre)B淋巴细胞 (B2 2 0low/IgM- )和成熟的B淋巴细胞数减少 ,而ERβ- / - 小鼠原 /前B淋巴细胞总数在骨髓和脾脏都高于野生型。ERβ- / - 小鼠还表现出髓样细胞增生性疾病 ,伴随淋巴细胞危像 ,和人慢性髓样淋巴细胞白血病相似 ,提示ERβ有抑制造血干细胞增殖和分化的作用。对ER基因多态性和自身免疫性疾病的易感性之间关系的研究 。
出处 《生理科学进展》 CAS CSCD 北大核心 2004年第3期277-280,共4页 Progress in Physiological Sciences
基金 第四军医大学创新基金资助课题 (CX0 2A0 2 4 )
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