ADAM11 a novel regulator of Wnt and BMP4 signaling in neural crest and cancer.

ADAM11 a novel regulator of Wnt and BMP4 signaling in neural crest and cancer.
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ADAM11 是神经嵴和癌症中 Wnt 和 BMP4 信号传导的新型调节剂。

DOI:
10.1101/2023.06.13.544797
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发表时间:
2023
期刊:
bioRxiv : the preprint server for biology
影响因子:
--
通讯作者:
Alfandari,Dominique
Alfandari,Dominique
中科院分区:
--
文献类型:
--
作者:
Pandey,Ankit;Cousin,Hélène;Horr,Brett;Alfandari,Dominique

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引言:脑神经嵴(CNC)细胞在神经板的边缘通过FGF、Wnt和BMP 4信号传导的组合诱导。CNC然后迁移腹侧和入侵腹侧结构,他们有助于颅面development.Methods:我们使用的功能实验,以确定与扰动的Adam 11表达inXenopus非洲爪蟾表型的损失和增益。质谱鉴定Adam 11的伴侣和缺乏Adam 11的CNC中蛋白表达的变化。我们使用小鼠B16黑色素瘤来测试Adam 11在癌细胞中的功能,并发表数据库分析来研究ADAM 11在人类肿瘤中的表达。结果:在这里,我们表明非蛋白水解ADAM,Adam 11,最初被鉴定为推定的肿瘤抑制因子,与Wnt和BMP 4信号通路的蛋白质结合。关于这些非蛋白水解ADAM的机制研究几乎完全缺乏。我们发现Adam 11正调控BMP 4信号而负调控β-catenin活性。在体内,我们发现Adam 11影响神经管闭合的时间以及CNC的增殖和迁移。使用人类肿瘤的数据和小鼠B16黑色素瘤细胞,我们进一步表明,ADAM 11水平同样与Wnt或BMP 4 activation levels.Discussion相关:我们建议,ADAM 11通过维持低Sox 3和蜗牛/蛞蝓水平通过刺激BMP 4和抑制Wnt信号传导,而ADAM 11的损失,在增加Wnt信号传导,增加增殖和早期上皮细胞间质的过渡,保护幼稚细胞。
Introduction:Cranial neural crest (CNC) cells are induced at the border of the neural plate by a combination of FGF, Wnt, and BMP4 signaling. CNC then migrate ventrally and invade ventral structures where they contribute to craniofacial development.Methods:We used loss and gain of function experiments to determine phenotypes associated with the perturbation of Adam11 expression inXenopus Laevis. Mass spectrometry to identify partners of Adam11 and changes in protein expression in CNC lacking Adam11. We used mouse B16 melanoma to test the function of Adam11 in cancer cells, and published database analysis to study the expression of ADAM11 in human tumors.Results:Here we show that a non-proteolytic ADAM, Adam11, originally identified as a putative tumor suppressor binds to proteins of the Wnt and BMP4 signaling pathway. Mechanistic studies concerning these non-proteolytic ADAM lack almost entirely. We show that Adam11 positively regulates BMP4 signaling while negatively regulating β-catenin activity.In vivo, we show that Adam11 influences the timing of neural tube closure and the proliferation and migration of CNC. Using both human tumor data and mouse B16 melanoma cells, we further show that ADAM11 levels similarly correlate with Wnt or BMP4 activation levels.Discussion:We propose that ADAM11 preserves naïve cells by maintaining low Sox3 and Snail/Slug levels through stimulation of BMP4 and repression of Wnt signaling, while loss of ADAM11 results in increased Wnt signaling, increased proliferation and early epithelium to mesenchyme transition.
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