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【双语快讯】维生素B12降低 Alzheimer的风险
2010-11-15 21:19 丁香园 albmu  发布范围:公开
Vitamin B12 Linked to Lower Alzheimer’s Risk

维生素B12与阿尔茨海默氏病风险降低相关

Study Suggests Vitamin B12 May Reduce Levels of an Amino Acid Linked to Alzheimer’s
By Jennifer Warner
WebMD Health NewsReviewed by Laura J. Martin, MD Oct. 18, 2010 -- Vitamin B12 may help protect the brain against Alzheimer's disease, according to new evidence that suggests the vitamin and an amino acid called homocysteine may both be involved in the development of Alzheimer’s.

研究表明维生素B12可以降低阿尔茨海默氏病相关的氨基酸水平
Jennifer Warner报道
2010年10月18日WebMD健康新闻(由Laura J. Martin医学博士审阅)---根据提示维生素和叫做高半胱氨酸的氨基酸可能都参与阿尔茨海默氏病发展的新证据, 维生素B12可以帮助保护大脑避免阿尔茨海默氏病。

High levels of vitamin B12 in the blood are already known to help reduce levels of homocysteine, which has been linked to an increased risk of Alzheimer's disease, memory loss, and stroke. But researchers say the relationship between homocysteine and vitamin B12 levels and Alzheimer's disease risk has been unclear.

已经知道血中高水平维生素B12可以帮助降低与阿尔茨海默氏病风险增加、记忆力减退和中风相关的高半胱氨酸水平。但是研究人员说,高半胱氨酸、维生素B12水平和阿尔茨海默氏病之间的关系还是不清楚的。

The seven-year study followed 271 Finnish people ages 65 to 79 who did not have any symptoms of Alzheimer's disease at the start of the study.

7年研究随访了271名年龄65-79岁的芬兰人,他们在研究开始时没有任何阿尔茨海默氏病的症状。

During the study, published in Neurology, 17 people developed Alzheimer’s disease. Researchers found that each picomolar increase in blood vitamin B12 level was associated with a 2% reduction in the risk of Alzheimer's disease among the elderly.

在出版于《神经病学》的研究期间,17人发展为阿尔茨海默氏病。研究人员发现,血中维生素B12水平的每皮摩尔增加与老年人中阿尔茨海默氏病风险2%的下降相关联。

In addition, each micromolar increase in blood homocysteine level raised the risk of Alzheimer's disease by 16%.

另外,血高半胱氨酸水平每毫摩尔的增加提高阿尔茨海默氏病16%的风险。

Blood levels of folate, another nutrient believed to lower homocysteine levels, were not linked to Alzheimer's disease risk.

血中叶酸水平(被认为降低高半胱氨酸水平的另一种营养物)与阿尔茨海默氏病风险不相关联。

“Our findings show the need for further research on the role of vitamin B12 as a marker for identifying people who are at increased risk of Alzheimer’s disease,” says researcher Babak Hooshmand, MD, MSc, with Karolinska Institutet in Stockholm, Sweden, in a news release. “Low levels of vitamin B12 are surprisingly common in the elderly."

“我们的发现显示,需要进一步研究维生素B12作为识别处于阿尔茨海默氏病增加风险中人群的标记物的作用,”瑞典斯德哥尔摩市卡罗琳斯卡医学院研究员Babak Hooshmand在一个新闻稿中说。“老年人中低维生素B12水平是出人意外普遍的。”

"The few studies that have investigated the usefulness of vitamin B12 supplements to reduce the risk of memory loss have had mixed results,” says Hooshmand.

“很少的已经研究维生素B12添加剂降低记忆力减退风险实用性的研究已经获得混淆的结果,”Hooshmand说。

Common dietary sources of vitamin B12 include fish, poultry, and meat products.

常见的维生素B12饮食来源包括鱼、家禽和肉制品。
 

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