Possibility of Venous Serum Cl− Concentration ([Cl−]s) as a Marker for Human Metabolic Status: Correlation of [Cl−]s to Age, Fasting Blood Sugar (FBS), and Glycated Hemoglobin (HbA1c)

Author:

Marunaka YoshinoriORCID,Yagi Katsumi,Imagawa Noboru,Kobayashi Hironori,Murayama Masaru,Minamibata Asami,Takanashi Yoshiaki,Nakahari Takashi

Abstract

The HCO3− concentration in venous serum ([HCO3−]s) is a factor commonly used for detecting the body pH and metabolic conditions. To exactly detect [HCO3−]s, the venous CO2 pressure should be kept as it is in the vein. The [HCO3−]s measurement is technically complicated to apply for huge numbers of almost heathy persons taking only basic medical examinations. The summation of [HCO3−]s and the venous serum Cl− concentration ([Cl−]s) is approximately constant; therefore, we studied if [Cl−]s could be a marker detecting metabolic conditions instead of [HCO3−]s. Venous blood was obtained from persons taking basic medical examinations (the number of persons = 107,630). Older persons showed higher values of [Cl−]s, fasting blood sugar (FBS), and glycated hemoglobin (HbA1c) than younger ones. [Cl−]s showed positive correlation to age and negative correlation to FBS and HBA1c. The negative correlation of [Cl−]s to FBS/HbA1c was obvious in persons with high FBS/HbA1c, leading us to an idea that persons with high FBS/HbA1c show high [HCO3−]s, which might be caused by low activity of carbonic anhydrase in the lung observed in persons with diabetes mellitus under acidotic conditions. Taken together, an easily measured serum electrolyte, [Cl−]s, could be a useful marker estimating metabolic conditions.

Funder

Japan Society of the Promotion of Science

Publisher

MDPI AG

Subject

Inorganic Chemistry,Organic Chemistry,Physical and Theoretical Chemistry,Computer Science Applications,Spectroscopy,Molecular Biology,General Medicine,Catalysis

Cited by 2 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Physiological roles of chloride ions in bodily and cellular functions;The Journal of Physiological Sciences;2023-11-15

2. Scientific Discoveries Supporting Theories in Science: From Thinking to Practice;International Journal of Molecular Sciences;2022-11-30

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