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时间: 2020年02月25日 05:16 | 来源: 古老的誓言丶已成传说 | 编辑: 蔡依玉 | 阅读: 4118 次

银泰平台正规吗

Night shift work may stop the body repairing daily damage to DNA and raise the risk of mutations which lead to cancer, a new study suggests.

一项新研讨显现,上夜班会阻挠身体修正平时的DNA损害,令基因突变危险增大进而引起癌症。

The link between working at night and poor health has been known for several years, with those who work after dark more likely to suffer diabetes, obesity, poor fertility, heart attacks and tumors.

大家多年前就现已知道上夜班和健康不良之间的联络。那些上夜班的人更简单患上糖尿病、肥壮、生孩子艰难、心脏病和肿瘤。

Scientists believed that disruption to the body’s natural body clock was responsible for the increased risk of chronic illness, but could never pinpoint the mechanism.

科学家以为,打乱人体天然的生物钟会添加慢性病的危险,但却无法断定其原理。

Now US researchers have discovered that when people work nights they produce 80 percent less of a chemical which is a by-product of DNA tissue repair. They say it indicates that the body is not carrying out the crucial restoration to cells which should happen naturally overnight.

现在美国研讨人员发现,大家上夜班时,体内排泄的一种化学物质将削减80%,这种化学物质是修正DNA安排的副产品。研讨人员称,这表明人体没有对受损的细胞进行要害的修正,这种修正本应在夜间天然地完结。

They believe the effect could be caused by a lack of melatonin, the sleep hormone, which is far lower among people who sleep in the daytime.

科学家以为,这种效应可能是由褪黑激素(睡觉荷尔蒙)的缺少引起的,在白日睡觉的人群傍边,这种激素水平要低得多。

Dr Parveen Bhatti, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA, said if awake at night the body has ‘reduced capacity to repair and clear oxidative DNA damage.’

美国华盛顿州西雅图的福瑞德哈金森肿瘤研讨中心的帕尔文?巴提博士说,假如夜里醒着,身体就会“下降修正和铲除DNA氧化损害的才能。”

“Over time, this accumulation would likely increase the risk of cancer across multiple sites as has been observed among shift workers,” she added.

她弥补道:“久而久之,累积的损害就会添加身体多处的癌症危险,这些都是在倒班工人身上观察到的。”

The study tested 50 night shift workers for levels of 8-OH-dG - a chemical which is produced when DNA is repaired. They then tested them again when they were working days, and found levels jumped by 300 percent.

该研讨检查了50个夜班工人体内的8-OH-dG——人体修正DNA损害时发生的化学物质。然后研讨人员又在这些工人上白班时给他们做了检查,发现这种化学物质的排泄量添加了300%。

They believe that shift workers may need to take sleep hormone supplements to allow DNA to carry out repairs as they sleep in the day.

科学家以为,倒班工人或许需求摄入睡觉荷尔蒙弥补剂,让他们在白日睡觉时DNA也能够正常地自我修正。

“If such effects are confirmed, melatonin supplementation should be explored as an intervention to reduce the occurrence of potentially carcinogenic DNA damage among shift workers,” added Dr Bhatti.

巴提博士弥补道:“假如作用得到证明,应当讨论用褪黑激素弥补剂进行干涉,来削减倒班工人具有潜在致癌性的DNA损害。”

The research was published in the journal Occupational & Environmental Medicine.

该研讨报告宣布在《工作与环境医学》杂志上。

英文来历:每日电讯报




<p> 3、探究方向:实名信息数字化</strong>

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    (蔡依玉编辑《古老的誓言丶已成传说》2020年02月25日 05:16 )

    文章标题: 银泰平台正规吗
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