Pediatrics:丧失父亲使得孩子端粒缩短

2017-07-19 海北 MedSci原创

如果孩子在儿童期不幸失去父亲,对于其健康和行为方面会带来很多不利的影响,但是,失去父亲的生物学影响至今还是未知的。来自普林斯顿大学的研究人员进行了一项相关研究,探讨父亲的缺失(分离,离婚,死亡或监禁)对于孩子细胞功能的影响。科研人员主要关注的是端粒的长度。

如果孩子在儿童期不幸失去父亲,对于其健康和行为方面会带来很多不利的影响,但是,失去父亲的生物学影响至今还是未知的。来自普林斯顿大学的研究人员进行了一项相关研究,探讨父亲的缺失(分离,离婚,死亡或监禁)对于孩子细胞功能的影响。科研人员主要关注的是端粒的长度。

科研人员收集了来自脆弱家庭和儿童健康研究9年随访的数据。来自美国9个大城市的2420名儿童参与了该队列研究。研究人员记录的数据包括,唾液中细胞端粒的长度,来自母方关于父亲缺失的报告,血清素和多巴胺能信号相关基因的多态性。

结果显示,在9岁时,父亲缺失的儿童的端粒有了明显的缩短(缩短14%)。父亲死亡对儿童端粒的影响最大(缩短16%),其次是监禁(缩短10%),分居或离婚使得儿童端粒缩短6%。父亲缺失后家庭收入的变化可能能够部分解释端粒的缩短。如果儿童5-羟色胺转运蛋白基因活性较高,其受到的影响也会比较大。孩子父亲缺失的年龄和种族对于端粒长度没有影响。

研究人员的成果显示,父亲的缺失和孩子端粒的长度有着显著的关联。其中父亲的死亡影响最大。这强调了父亲在儿童的抚养和发展方面起到的重要作用,证实了父亲监禁对于孩子的负面影响。


原始出处:

Colter Mitchell et al. Father Loss and Child Telomere Length. Pediatrics, 2017; e20163245 DOI: 10.1542/peds.2016-3245


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    2018-06-16 hbwxf
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    2017-09-26 feather89
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    2017-07-20 1341f3cb2dm

    情绪波动影响染色体,很有意思!

    0

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    2017-07-19 184****9840

    学习了受益匪浅

    0

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    2017-07-19 1ddf0692m34(暂无匿称)

    学习了,涨知识

    0

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    2017-07-19 qingfengqishi5

    学习了,学习了

    0

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