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Experimental study of early gestation termination induced by low frequency ultrasound

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Author:
No author available
Journal Title:
JOURNAL OF CHINESE PHYSICIAN
Issue:
9
DOI:
10.3760/cma.j.issn.1008-1372.2006.09.005
Key Word:
超声处理;流产,人工/方法;妊娠,动物

Abstract: 目的 探讨低频超声止孕可能性.方法 低频聚焦超声(353 kHZ)6种声强直接照射妊娠第10 d兔胚胎,10 d后观察胚胎死亡率,并用免疫组化法检测胎盘组织细胞p53的变化.结果 声强30 W/cm2、35 W/cm2及≥ 40 W/cm2组的胚胎死亡率分别为25.00%、72.88%和100%;照射后胎盘组织细胞p53表达增加,96 h升至最高点,192 h接近对照组水平.结论 低频超声抗孕具有可行性,可诱导胎盘组织细胞p53表达增加,但具有可恢复性.

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