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高海拔对安第斯高原地区原住民红细胞糖酵解活性的影响。

The effect of high altitude on the glycolytic activity of erythrocytes in natives of the Andean Altiplano.

作者信息

Arnaud J, Gutiérrez N, Vergnes H

出版信息

Acta Physiol Lat Am. 1983;33(1):7-14.

PMID:6659976
Abstract

Glucose consumption by anaerobic glycolysis and the pentose pathway were studied in two Aymara populations living at different altitudes (3 600 m and 450 m). The measurements were made both with and without methylene blue. We observed a Pasteur effect for both pathways which may explain the increase in 2-3 DPG and ATP levels found in blood samples from people living at high altitudes. The results in the presence of methylene blue showed a reduced activity of the methaemoglobin reductase system in the high altitude group which may be partly responsible for their increased levels of methaemoglobin.

摘要

对生活在不同海拔高度(3600米和450米)的两个艾马拉人群进行了无氧糖酵解和戊糖途径的葡萄糖消耗研究。测量在有和没有亚甲蓝的情况下进行。我们观察到这两种途径都存在巴斯德效应,这可能解释了在高海拔地区人群血液样本中发现的2,3-二磷酸甘油酸(2-3 DPG)和三磷酸腺苷(ATP)水平升高的现象。在有亚甲蓝存在的情况下,高海拔组的高铁血红蛋白还原酶系统活性降低,这可能部分导致了他们高铁血红蛋白水平的升高。

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