骨质性微环境通过糖解影响口腔发育
Xia Peng1, Jing Chen1, Yijia Wang1
1Laboratory of Orofacial Development, Laboratory of Molecular Signaling and Stem Cells Therapy, Molecular Laboratory for Gene Therapy and Tooth Regeneration, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Tiantan Xili No.4, Beijing, 100050, China.
Differentiation; research in biological diversity
|June 2, 2023
概括
小鼠胚胎 palatal mesenchyme (MEPM) 细胞根据发育阶段表现出不同的生物特性. 骨质性微环境影响MEPM细胞的增殖,亡,迁移和茎状,影响它们在发育和裂研究中的作用.
科学领域:
- 发展生物学 发展生物学
- 细胞生物学 细胞生物学
- 组织工程是组织工程.
背景情况:
- 口腔发育是一个复杂的过程,涉及细胞增殖,分化和迁移.
- palatal 发育中的障碍可以导致口腔裂 (CP),这是一个常见的先天性出生缺陷.
- 鼠标胚胎 palatal mesenchyme (MEPM) 细胞是研究 palatal 发育和 CP 的关键模型,但它们的微环境的影响还没有得到充分研究.
研究的目的:
- 研究不同发育阶段 (E13.5和E15.5) 的MEPM细胞的差异.
- 为了确定骨质性微环境对MEPM细胞生物特性的影响.
- 阐明MEPM细胞干细胞和分化能力在 palatal 发育中的作用.
主要方法:
- 在胚胎第13.5天 (E13.5) 和胚胎第15.5天 (E15.5) 隔离的MEPM细胞的比较.
- 在常规介质中培养MEPM细胞与骨质原生分化介质 (OIM) 相比.
- 评估细胞增殖,细胞周期 (S阶段),细胞亡,迁移,干性和分化潜力.
- 乳酸脱酶A (LDHA) 和细胞染色体c (CytC) 表达的分析.
主要成果:
- 在E13.5的MEPM细胞表现出更高的增殖和干性,而E15.5细胞表现出更大的骨质生成倾向.
- 骨质性微环境 (OIM) 减少了增殖,延长了S阶段,增加了细胞亡,并减少了MEPM细胞的迁移.
- E15.5 MEPM细胞比E13.5细胞对OIM更敏感,具有改变的LDHA和CytC表达,表明糖解的作用.
- E13.5 MEPM细胞表现出更强的干性,可能作为E15.5 MEPM细胞的前体.
结论:
- 发育阶段和微环境显著改变了MEPM细胞的生物特性.
- 骨质性线索会影响MEPM细胞的行为,影响增殖,亡,迁移和干性.
- 了解这些微环境效应对于准确解释MEPM细胞模型在口腔发育和CP研究中至关重要.
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