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Embryo cell death and morphological changes imaged in thick tissue.Careful tissue preparation permits imaging with confocal microscopy

机译:在厚厚的组织中成像到胚胎细胞死亡和形态变化。仔细的组织准备允许使用共聚焦显微镜成像

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Before injecting a new drug into pregnant animals or spraying a new pesticide on or near inserts, researchers must know how the chemical might affect the organisms. Many chemicals can cause an increase in cell death in developing embryos, which is sometimes detrimental to the development of a fetus. Researchers from the Division of Reproductive Toxicology at the US Environmental Protection Agency in Research Triangle Park, N.C., have discovered a way to look deep within fetal tissue using confocal microscopy to see how various chemicals affect growth and development. Robert M. Zucker, reporting the division's research in the November issue of Cytometry, explained that the goal was to look both at the morphology of developing mammalian embryos and insect larvae and at the amount of apoptotic cell death occurring within embryos. These two parameters would help the researchers to understand the toxic effect of a chemical on the environment and on the health of a fetus.
机译:在将新药注入怀孕的动物体内或在插件上或其附近喷洒新农药之前,研究人员必须知道该化学物质如何影响生物体。许多化学物质可导致发育中的胚胎细胞死亡增加,这有时对胎儿的发育有害。位于北卡罗来纳州三角研究园的美国环境保护局生殖毒理学分部的研究人员发现了一种使用共聚焦显微镜观察胎儿组织内部深层的方法,以观察各种化学物质如何影响生长发育。罗伯特·扎克(Robert M. Zucker)在11月份的细胞计数法中报告了该部门的研究,他解释说,目标是既要研究发育中的哺乳动物胚胎和昆虫幼虫的形态,又要研究胚胎中发生的凋亡细胞死亡的数量。这两个参数将帮助研究人员了解化学物质对环境和胎儿健康的毒性作用。

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