The slc4a2b gene is required for hair cell development in zebrafish.

The slc4a2b gene is required for hair cell development in zebrafish.
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slc4a2b 基因是斑马鱼毛细胞发育所必需的

DOI:
10.18632/aging.103840
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发表时间:
2020-10-12
期刊:
Aging
影响因子:
--
通讯作者:
Chai R
Chai R
中科院分区:
其他
文献类型:
--
作者:
Qian F;Wang X;Yin Z;Xie G;Yuan H;Liu D;Chai R

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毛细胞(HC)作为重要的感觉受体发挥作用,可以检测其周围环境中的运动。内耳中的 HC 可以感知声音信号,而水生脊椎动物中的 HC 还可以检测周围水中的运动、振动和压力梯度。许多基因与 HC 的发育有关,HC 的发育缺陷可能导致听力损失和其他感觉功能障碍。在这里,我们发现溶质载体家族 4 成员 2b (slc4a2b) 基因是阴离子交换家族的成员,在发育中的斑马鱼胚胎的耳囊和侧线神经丘中表达。计算机分析表明 slc4a2b 在进化上是保守的,我们发现 slc4a2b 功能丧失会导致斑马鱼神经丘中 HC 数量减少,因为 HC 凋亡增加。综上所述,我们得出结论,slc4a2b 在斑马鱼 HC 的发育中发挥着关键作用。
Hair cells (HCs) function as important sensory receptors that can detect movement in their immediate environment. HCs in the inner ear can sense acoustic signals, while in aquatic vertebrates HCs can also detect movements, vibrations, and pressure gradients in the surrounding water. Many genes are responsible for the development of HCs, and developmental defects in HCs can lead to hearing loss and other sensory dysfunctions. Here, we found that the solute carrier family 4, member 2b (slc4a2b) gene, which is a member of the anion-exchange family, is expressed in the otic vesicles and lateral line neuromasts in developing zebrafish embryos. An in silico analysis showed that the slc4a2b is evolutionarily conserved, and we found that loss of function of slc4a2b resulted in a decreased number of HCs in zebrafish neuromasts due to increased HC apoptosis. Taken together, we conclude that slc4a2b plays a critical role in the development of HCs in zebrafish.
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发表时间: 2014-05-01
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