PNAS:孕初期饮食不良可能影响胎儿脑部发育

2018-07-01 张家伟 新华社

英国南安普敦大学发布的一项新研究说,从动物实验推断,母亲怀孕初期的饮食中如果蛋白质太少,会对胎儿的脑部发育造成持久的负面影响,可能导致成年后的短期记忆能力下降。

英国南安普敦大学发布的一项新研究说,从动物实验推断,母亲怀孕初期的饮食中如果蛋白质太少,会对胎儿的脑部发育造成持久的负面影响,可能导致成年后的短期记忆能力下降。

英国南安普敦大学等机构研究人员在新一期美国《国家科学院学报》上发表的论文说,他们通过小鼠实验发现,小鼠在刚怀孕的数天内如果饮食中没有足够的蛋白质,会影响胎鼠的脑部早期发育,也会让神经干细胞数量减少。

神经干细胞对形成脑部的神经细胞至关重要,神经干细胞数量减少可能导致神经细胞形成的时间点和数量出现差错,从而使成年后的短期记忆力变得较差。

南安普敦大学研究人员桑德里娜·维莱姆-莫拉韦克说,从小鼠模型来看,怀孕初期的营养摄入对脑部发育有非常重要的影响,未来有必要深入研究。

此前已经有研究显示,母亲在怀孕初期的饮食如果营养不足,会增加孩子未来患心血管疾病和精神分裂症等疾病风险。

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    2019-03-07 drwjr
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    2018-07-03 neurowu