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Relationship Between Urinary t, t-muconic Acid and Insulin Resistance in the Elderly
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Hyun Seung Park, Jeong Cheol Seo, Jin Hee Kim, Sang Hyuk Bae, Youn Hee Lim, Soo Hun Cho, Yun Chul Hong
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Korean Journal of Occupational and Environmental Medicine 2011;23(4):387-396. Published online December 31, 2011
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DOI: https://doi.org/10.35371/kjoem.2011.23.4.387
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 Abstract
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- OBJECTIVES
To examine the associations between the urinary t, t-muconic acid (t, t-MA) concentration and three indices of insulin resistance; namely, the homeostasis assessment of insulin resistance (HOMA-IR) index, blood insulin level and fasting glucose level.
METHODS
A panel study was performed on the elderly at a public health care center population in the northern area of Seoul between 2008 and 2010. The participants were 560 elderly, over 60 years of age whose urinary t, t-MA and insulin resistance indices had been measured; questionnaires were completed by these participants. A generalized linear mixed (GLM) analysis was adjusted for age, sex, drinking, urinary cotinine, exercise, vitamin intake and body mass index, at a significance level of p<0.05.
RESULTS
A total of 411 participants were finally analyzed after excluding those with diabetes and only one visit to the public health care center. Higher urinary t, t-MA concentrations were linearly associated with the HOMA-IR index, blood insulin level and fasting glucose level in the simple and fully adjusted GLM models. Although there were few limitations, a portion of insulin resistance was proven to be explained by exposure to benzene using r-squared. A significant relationship was also observed between urinary t, t-MA and malondialdehyde (MDA) using the same GLM models.
CONCLUSIONS
Urinary t, t-MA is related to the development of insulin resistance which is a key factor for development of diabetes and its complications induced by oxidative stress.
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Citations
Citations to this article as recorded by  - Exploration of an Area with High Concentrations of Particulate Matter and Biomonitoring Survey of Volatile Organic Compounds among the Residents
Hyunji Ju, Seungho Lee, Jae-Hee Min, Yong-Sik Hwang, Young-Seoub Hong
Journal of Environmental Health Sciences.2023; 49(6): 344. CrossRef - Association between urinary trans,trans-muconic acid and diabetes: a cross-sectional analysis of data from Korean National Environmental Health Survey (KoNEHS) cycle 3 (2015–2017)
Eun Hye Yang, Do Jin Nam, Hyo Choon Lee, Soon Su Shin, Jae-Hong Ryoo
Annals of Occupational and Environmental Medicine.2021;[Epub] CrossRef
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Effects of Volatile Organic Compounds, and Formaldehyde on Heart Rate Variability among Elderly People in Seoul
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Jeong Cheol Seo, Mo Yeol Kang, Soo Hun Cho, Youn Hee Lim, Jin Hee Kim, Jong Ryeul Sohn, Yun Chul Hong
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Korean Journal of Occupational and Environmental Medicine 2011;23(3):253-260. Published online September 30, 2011
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DOI: https://doi.org/10.35371/kjoem.2011.23.3.253
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Abstract
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- OBJECTIVES
The purpose of the present study was to investigate the effects of volatile organic compounds, and formaldehyde on heart rate variability among elderly people who are vulnerable to ambient pollution.
METHODS
From May to August of 2009, 57 subjects older than 60 years were recruited in this study. Indoor air pollutants (volatile organic compounds and formaldehyde) were measured by a personal passive sampler. Heart rate variability (HRV) was measured in the sitting position for five minutes and assessed by time-domain and frequency-domain.
RESULTS
Multiple linear regression analysis showed significantly less low-frequency (LF) and high-frequency (HF) associated with elevated benzene levels. Exposure to toluene was associated with decreases in the Standard deviation of the NN intervals (SDNN) and LF. SDNN and LF were negatively associated with the increment of ethylbenzene levels.
CONCLUSIONS
An adverse effect on cardiovascular function caused by volatile organic compounds was observed among the elderly people of Seoul even though indoor air pollutant levels were lower than the yearly average guideline for indoor air quality in Korea.
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Citations
Citations to this article as recorded by - Estimating Benzene Exposure Level over Time and by Industry Type through a Review of Literature on Korea
Donguk Park, Sangjun Choi, Kwonchul Ha, Hyejung Jung, Chungsik Yoon, Dong-Hee Koh, Seunghun Ryu, Soogeun Kim, Dongmug Kang, Kyemook Yoo
Safety and Health at Work.2015; 6(3): 174. CrossRef
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