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Microtubule-associated protein 2 and nestin expressions in human embryonic and fetal gastric tissues

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Author:
No author available
Journal Title:
Journal of Southern Medical University
Issue:
9
DOI:
10.3969/j.issn.1673-4254.2012.09.026
Key Word:
胃;微管相关蛋白2;巢蛋白;人胚胎

Abstract: 目的 探讨微管相关蛋白2 (MAP-2)和巢蛋白(Nestin)与人胚胎胃组织的发育关系.方法 应用免疫组织化学PV法检测第2、3、4三个月龄段,人胚胎胃壁、贲门和幽门组织内MAP-2和Nestin的表达规律.结果 第2、3、4三个月龄段,MAP-2和Nestin阳性表达主要集中于人胚胎胃壁、贲门和幽门组织黏膜下神经丛和肌间神经丛,随胎龄的增大,MAP-2和Nestin蛋白在肌间神经丛内阳性表达细胞数量和强度均呈增高趋势.而MAP-2和Nestin蛋白在胃壁、贲门和幽门组织的黏膜上皮和腺体处均呈阴性表达.结论 MAP-2和Nestin参与调节人胚胎胃组织的生长发育过程.

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