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每日新闻试译第595贴

(2007-02-14 09:19:22)
分类: 每日新闻

每日新闻试译第595贴  070213

Go Exercise Before Your Flu Shot?

注射流感疫苗前需要运动吗?

(Ivanhoe Newswire) -- Could exercising help your immune system respond better to a flu shot? Previous research revealed the immune response of a vaccination can be enhanced in animals if they are exposed to stress at the time of the vaccine. Now, a new study explores whether that same response happens in humans.

Ivanhoe 新闻专线)——  运动会帮助免疫系统对流感疫苗作出更好的反应吗?先前的研究显示,如果动物在接种疫苗时处于紧张状态,那么它们的疫苗免疫反应会增强。现在,一项新研究在探究人类是否会有同样的反应。

Everyone's immune system reacts differently to a flu shot. Researchers know men and women respond differently. But investigators from the University of Birmingham in England wondered if a patient could do something simple, like a bicep curl, in order to get a better vaccine response. The idea came about after previous findings showed exercise increases antibody production in humans.

每个人的免疫系统对流感疫苗的反应都不一样。研究人员得知男性和女性反应不同。但来自英国伯明翰大学的调查人员想知道,如果患者做些简单的活动如二头肌弯曲练习,能否获得较好的疫苗接种效果。这一想法源自先前的发现——运动可增加人的抗体生产。

For the study, 60 healthy college students either rested or exercised by lowering heavy weights with their upper arm for 25 minutes. This kind of exercise is known to cause inflammation and a boost of immune cells in muscles. Later that day, all of the participants got flu shot. Over the next five months, researchers tested their blood to measure cellular immune response and development of antibodies to the viruses in the vaccine.

六十名健康的大学生参加了这项研究,他们或休息或用上臂进行降低重物练习二十五分钟。这种练习可导致炎症,增强肌肉中的免疫细胞。当天晚些时候,所有的参与者都注射了流感疫苗。在随后的五个月里,研究人员对他们的血液进行检测,以测量细胞的免疫反应及抗体对疫苗病毒的反应。

The results were not exactly what the researchers had hoped for. They report the cellular immune response did not change in the women, but increased among the men. The antibody response increased in women, but reduced in men.

结果与研究人员所希望的不完全一样。研究结果表明女性的细胞免疫反应没有变化,但男性的却增加了。女性的抗体反应增加了,而男性的却减少了。

While exercise does have an impact, researchers report it's not clear if this mean vaccinations will actually work better if patients exercise first. Nevertheless, study authors write if you exercise before your flu shot, it will benefit your overall health and might just benefit your vaccination response.

虽然运动确有影响,但研究人员报告称,如果患者在注射疫苗前先运动,是否会收到较好的接种效果还不清楚。不过,研究人员认为,如果你在注射流感疫苗前运动,会对你的整体健康有益,也可能仅仅对你接种疫苗有益。

SOURCE: Brain, Behavior, and Immunity, published online Feb. 1, 2007

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