Background Obesity is considered a state of enhanced oxidative stress as well as chronic and low-grade inflammation. The copper–zinc ratio in obese individuals has been reported to reflect systemic oxidative stress and inflammatory status. We investigated whether the neutrophil–lymphocyte ratio is related to the copper–zinc ratio in hair, within the context of a normal white blood cell count among overweight or obese Korean individuals.
Methods We included 56 participants aged older than 20 years who voluntarily sought weight reduction treatment and met the inclusion criterion of body mass index of 23 kg/m2 or greater. Intra-abdominal visceral adipose tissue was measured by computed tomography imaging, while the copper and zinc levels were measured by hair mineral analysis. Using multiple linear regression analysis, we examined the associations between the neutrophil–lymphocyte ratio and the copper–zinc ratio.
Results The mean age, body mass index, and visceral adipose tissue were 46.0±10.5 years, 29.0±4.1 kg/cm2 , and 142.9±68.8 cm2 , respectively. Pearson’s correlation analysis revealed the association of the neutrophil–lymphocyte ratio with copper level (r=0.475, P<0.001) and copper–zinc ratio (r=0.494, P<0.001). After adjusting for confounding variables, we found the neutrophil–lymphocyte ratio was significantly associated with the level of copper and the copper–zinc ratio in hair (regression coefficient: 0.055±0.015; P<0.001 and regression coefficient: 0.761±0.185; P<0.001, respectively).
Conclusion A higher copper–zinc ratio in hair is positively and independently associated with the neutrophil–lymphocyte ratio. Thus, a high hair copper–zinc ratio could be a useful parameter for oxidative burden of individuals predisposed to obesity-related comorbidity.
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Background Humans are exposed to mercury via many different routes and in different forms. Studies concerned with the exposure in the general population were done many times in the past. But, the treatment of mercury exposure and mercury intoxication is limited. Therefore, chelators such as birth anti lewistite, 2,3-dimercaptopropanol (BAL), dimercaptopropane-1-sulphonate (DMPS), and dimercaptosuccinic acid (DMSA) were given to patients with acute symptoms resulting from the central nervous system due to confi rmed mercury poisoning. In this paper, we reported the effects of oral Vitamin C on mercury excretion Methods: This study has been reviewed in the clinical fi ndings of 213 patients aged 30-80 who visited Kosin University Gospel Hospital during 3 months from March to September 2007. We measured hair mercury levels at the initial visit and at 3-4 months after the oral vitamin C (4 g/day) treatment. Results: The number of patients who had initial hair mercury level over 1.5 ppm were 57 patients among 213 patients, and 41 patients rechecked the hair mercury level. Twenty patients who had hair mercury level over 1.5 ppm were treated with oral vitamin C for 3 months and rechecked the hair mercury level and 21 patients without vitamin C treatment. The vitamin treatment group had a hair mercury level that was three times lower than the non-treated group. Conclusion: The vitamin C oral treatment signifi cantly decreased the level of hair mercury.
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