多饮含糖饮料可使月经初潮提前 增加乳腺癌风险

2015-02-02 宋宇 参考消息

台媒称,研究指出,摄取很多含糖饮料的女孩,月经初潮可能会提早。 据台湾“中央社”1月28日援引法新社报道,研究报告说,这项研究发现很重要的原因在于,月经初潮提早和日后较高的乳癌风险有关,但其他专家认为这项研究有缺陷。 报道说,根据这篇发表于《人类生殖》(Human Reproduction)期刊的研究,研究人员表示,他们在1996年至2001年间观察美国5500多名9至14岁少女的健康情形。女

台媒称,研究指出,摄取很多含糖饮料的女孩,月经初潮可能会提早。

据台湾“中央社”1月28日援引法新社报道,研究报告说,这项研究发现很重要的原因在于,月经初潮提早和日后较高的乳癌风险有关,但其他专家认为这项研究有缺陷。

报道说,根据这篇发表于《人类生殖》(Human Reproduction)期刊的研究,研究人员表示,他们在1996年至2001年间观察美国5500多名9至14岁少女的健康情形。女孩参与研究时尚未来月经。

这项5年研究发现,每天摄取1杯至1杯半甜饮的女孩,和1周喝2杯以下甜饮的女孩相比,首次月经提早2.7个月。

根据研究,无论女孩身体质量指数(BMI)、热量摄取与运动为何,仍发生月经初潮提早的情形。

研究主持者、哈佛医学院的米歇尔斯(Karin Michels)说:“对于美国和其他地区甜饮摄取普遍的情形,研究结果更添担忧。”

报道称,月经初潮平均年龄为12岁又7个月。

研究说,月经初潮提早2.7个月相当于“中度影响”乳癌风险。过去研究发现,月经提早1年来,日后罹患乳癌风险增加约5%。

研究作者指出,过去研究显示,人体迅速与大量摄取糖分可能导致荷尔蒙胰岛素快速增加,影响性荷尔蒙浓度。

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    2015-08-16 sjq027
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    2015-02-04 luwei00

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对于大多数老年女性早期乳腺癌患者来说,在保留乳房手术后的标准治疗方法是辅助全乳腺放疗以及辅助内分泌治疗。而来自英国爱丁堡大学肿瘤研究中心的Kunkler教授带领的研究小组,进行了一项3期随机对照临床试验,试图验证在在治疗5年局部复发风险较低的老年女性时,如果去除掉全乳腺放疗,是否能够产生良好的局部控制效果。本研究结果在线发表于2015年1月28日的the Lancet Oncology杂志上。

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近日,国际期刊Nature Communication在线发表了日本科学家的一项最新研究成果,发现泛素C端水解酶L1(UCHL1)能够作为HIF-1a的去泛素化酶促进肿瘤转移,表明或许可以利用UCHL1作为肿瘤转移诊断标记和癌症治疗靶点。   HIF-1在肿瘤中转移过程中发挥重要作用,但能够激活HIF-1并进一步促进肿瘤转移的基因仍没有得到鉴定。研究人员发现UCHL1能够减弱VH