SCI TRANSL MED:硫氧还蛋白可以逆转老年性高血压!

2017-02-15 MedSci MedSci原创

该研究的结果表明,TRX具有长期扭转老年性高血压的潜在疗效,具有很重要的转化价值。

高血压患者在人群中非常常见,尤其是在老年人中,高血压随年龄增长的发生率显著增高,是多种心血管疾病发生或发展的独立预后因素。虽然这种疾病有很多种治疗干预措施,但是没有一种手段是具有高特异性或持久的,而且它们都可以引起副作用,从而降低高血压患者治疗的依从性。虽然与年龄有关的高血压是一个已知的现象,目前的治疗只是治标不治本。因此,迫切需要一种手段来根治与年龄有关的高血压,这可能会大大降低心血管疾病的发病率。

近日,Science Translational Medicine杂志发表了研究文章,研究人员发现,小鼠过表达人硫氧还蛋白(TRX),一种氧化还原蛋白,可以防止老年性高血压。此外,老年的野生型小鼠注射重组人硫氧还蛋白注射液(rhTRX)连续三天可以逆转该小鼠的老年性高血压病,并且这种降压效用至少可以持续20天。

另外,相比于注射生理盐水的老年野生型小鼠或TRX缺失的小鼠,注射rhTRX的老年野生型小鼠或过表达TRX的小鼠其动脉硬化程度明显降低,具有更好的血管内皮依赖性舒张功能,并且增加一氧化氮的产生,减少超氧阴离子(O2•−)产生。

该研究的结果表明,TRX具有长期扭转老年性高血压的潜在疗效,具有很重要的转化价值。

原始出处:

Rob H. P. Hilgers,et al.Thioredoxin reverses age-related hypertension by chronically improving vascular redox and restoring eNOS function. Science TranslationalMedicine.2017.http://stm.sciencemag.org/content/9/376/eaaf6094


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    2017-10-24 bsmagic9140
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