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329 results on '"Ma, Hongfei"'

11. Effect of Pore Blockage on Transpiration Cooling of Marine Turbine Blades

Author

Sun, Haiou, Ma, Hongfei, Yan, Lanyi, Fu, Hao, Luan, Yigang, Magagnato, Franco, di Prisco, Marco, Series Editor, Chen, Sheng-Hong, Series Editor, Vayas, Ioannis, Series Editor, Kumar Shukla, Sanjay, Series Editor, Sharma, Anuj, Series Editor, Kumar, Nagesh, Series Editor, Wang, Chien Ming, Series Editor, and Yang, Desen, editor

Published
2023
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44. Anti-aging formula protects skin from oxidative stress-induced senescence through the inhibition of CXCR2 expression

Author

Zhu, Shan, primary, Jia, Linlin, additional, Wang, Xiang, additional, Liu, Tao, additional, Qin, Wenxiao, additional, Ma, Hongfei, additional, Lv, Yingshuang, additional, Hu, Jing, additional, Guo, Qianyu, additional, Tan, Siyi, additional, Yue, Xiaofeng, additional, Yan, Yiqi, additional, Liu, Yan, additional, Xia, Qingmei, additional, Zhang, Peng, additional, Zhang, Han, additional, and Li, Nan, additional

Published
2023
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50. Short-Term Exposure to PM 2.5 and O 3 Impairs Liver Function in HIV/AIDS Patients: Evidence from a Repeated Measurements Study.

Author

Ma, Hongfei, Zhang, Qian, Liang, Wei, Han, Aojing, Xie, Nianhua, Xiang, Hao, and Wang, Xia

Subjects
ALANINE aminotransferase, AIDS patients, ASPARTATE aminotransferase, AIR pollutants, ALKALINE phosphatase, HIV-positive persons, AIR pollution, HIV
Abstract

Studies investigating the relationship between ambient air pollutants and liver function are scarce. Our objective was to examine the associations of acute exposure to PM2.5 and O3 with levels of hepatic enzymes in people living with HIV/AIDS (PWHA). Our study involved 163 PWHA, who were evaluated for serum hepatic enzymes up to four times within a year. We extracted daily average concentrations of PM2.5, PM2.5 components, and O3 for each participant, based on their residential address, using the Tracking of Air Pollution in China database. Linear mixed-effect models were utilized to assess the associations of acute exposure to PM2.5 and O3 with hepatic enzymes. Weighted quantile sum regression models were employed to identify the major constituents of PM2.5 that affect hepatic enzymes. The percent change of aspartate aminotransferase (AST) concentration was positively correlated with a 10 µg/m3 increase in PM2.5, ranging from 1.92 (95% CI: 3.13 to 4.38) to 6.09 (95% CI: 9.25 to 12.38), with the largest effect observed at lag06. Additionally, acute O3 exposure was related to increased levels of alanine aminotransferase (ALT), AST, and alkaline phosphatase (ALP) concentrations. Co-exposure to high levels of PM2.5 and O3 had an antagonistic effect on the elevation of AST. Further analysis revealed that SO42− and BC were major contributors to elevated AST concentration due to PM2.5 constituents. A stronger association was found between O3 exposure and ALT concentration in female PWHA. Our study found that short-term exposure to PM2.5 and O3 was associated with increased levels of hepatic enzymes, indicating that PM2.5 and O3 exposure may contribute to hepatocellular injury in PWHA. Our study also found that PWHA may be more vulnerable to air pollution than the general population. These findings highlight the relationship between air pollutants and liver function in PWHA, providing a scientific basis for the implementation of measures to protect susceptible populations from the adverse effects of air pollution. A reduction in the burning of fossil fuels and reduced exposure to air pollutants may be effective hazard reduction approaches. [ABSTRACT FROM AUTHOR]

Published
2023
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