2019 Publications


Synergic effect between high temperature and air pollution on mortality in Northeast Asia
Lee, W;Choi, HM;Kim, D;Honda, Y;Leon Guo, YL;Kim, H
High temperature and air pollutants have been reported as potential risk factors of mortality. Previous studies investigated interaction between the two variables; however, the excess death risk due to the synergic effect (i.e. interaction on the additive scale) between the two variables has not been investigated adequately on a multi-country scale. This study aimed to assess the excess death risk due to the synergism between high temperature and air pollution on mortality using a multicity time-series analysis.(more)


Urinary thiodiglycolic acid is associated with increased risk of non-alcoholic fatty liver disease in children living near a petrochemical complex
Wang, CW;Chuang, HY;Liao, KW;Yu, ML;Dai, CY;Chang, WT;Tsai, CH;Chiang, HC;Huang, PC
BACKGROUND: Occupational and experimental studies have revealed that high vinyl chloride monomer (VCM) exposure is associated with non-alcoholic fatty liver disease (NAFLD).(more)


Pathophysiology of central poststroke pain: Motor cortex disinhibition and its clinical and sensory correlates
Tang, SC;Lee, LJ;Jeng, JS;Hsieh, ST;Chiang, MC;Yeh, SJ;Hsueh, HW;Chao, CC
Background and Purpose- Central poststroke pain (CPSP) is a disabling condition in stroke patients, and evidence suggests that altered corticospinal and motor intracortical excitability occurs in neuropathic pain.(more)


Fibroblast growth factor 21 secretion enhances glucose uptake in mono(2-ethylhexyl)phthalate-treated adipocytes
Hsu, JW;Yeh, SC;Tsai, FY;Chen, HW;Tsou, TC
Previous studies revealed that cellular accumulation of mono(2-ethylhexyl)phthalate (MEHP) disturbed energy metabolism in adipocytes, where glucose uptake was significantly increased. The present study aimed to determine the mechanisms underlying the increased glucose uptake.(more)


Urinary concentration correction methods for arsenic, cadmium, and mercury: A systematic review of practice-based evidence
Hsieh, CY;Wang, SL;Fadrowski, JJ;Navas-Acien, A;Kuo, CC
BACKGROUND: Urinary biomonitoring is widely used to assess environmental chemical exposure; however, a critical gap exists in whether and how to correct for the physiological variation in water content of spot urine samples.(more)


Effects of nanoparticles exposure and PON1 genotype on heart rate variability
Wu, WT;Wang, CC;Liou, SH
OBJECTIVES: This study was to assess the association between different NPs exposure and PON1 genotype on Heart Rate Variability (HRV) parameters among workers. (more)


Sphingosine-1-phosphate as an indicator for deciding the use of adjuvant corticosteroids therapy in community-acquired pneumonia (sphingosine-1-phosphate and pneumonia trial): Study protocol for a randomized, placebo-controlled trial
Hsu, SC;Huang, WC;Liu, CT;Hsu, YP;Chang, JH;Huang, SK;Hsu, CW
INTRODUCTION: Pneumonia is one of the leading causes of death worldwide, represents a potentially life-threatening condition. In recent studies, adjuvant corticosteroids therapy has been shown to improve outcome in severe community-acquired pneumonia (CAP); however, the treatment response to corticosteroids vary.(more)


Dry, wet depositions for ambient air nitrate, sulfate, and chloride ionic species at mixed (traffic, commercial, and residential) sampling sites in central Taiwan
Fang, GC;Chen, YC;Kao, CL;Zhuang, YJ;Huang, WC;Lin, WZ
This research was focused on the measurements of ambient air pollutants species (Cl-, NO3-, and SO42-) concentrations of wet and dry depositions by using PS-1 (TSP), dry depositions plate and wet depositions tub at mixed (traffic, commercial, and residential) sampling sites.(more)


Association between urine lead levels and cardiovascular disease risk factors, carotid intima-media thickness and metabolic syndrome in adolescents and young adults
Lin, CY;Huang, PC;Wu, C;Sung, FC;Su, TC
BACKGROUND: Environmental lead exposure is a known risk factor of cardiovascular disease (CVD) in animal and human epidemiological studies of adults, but limited research has been conducted in young populations.(more)


Changes in insulin resistance mediate the associations between phthalate exposure and metabolic syndrome
Ko, NY;Lo, YC;Huang, PC;Huang, YC;Chang, JL;Huang, HB
BACKGROUND: Information on the relationships between phthalate exposure, insulin resistance, and metabolic syndrome (MetS) in younger adults is limited.(more)


Measurement of urinary arsenic profiles and DNA hypomethylation in a case-control study of urothelial carcinoma
Chung, CJ;Lee, HL;Chang, CH;Chang, H;Liu, CS;Jung, WT;Liu, HJ;Liou, SH;Chung, MC;Hsueh, YM
Environmental exposure to arsenic may be involved in the disturbance of DNA hypomethylation. The aim of this study is the first to explore the effect of interactions of urinary total arsenic levels, arsenic methylation capacity, 8-hydroxy-2′-deoxyguanosine (8-OHdG), plasma folate, and global 5-methyl-2′-deoxycytidine (5-MedC) levels on the risk of urothelial carcinoma (UC).(more)


Persistent elevation of blood pressure by ambient coarse particulate matter after recovery from pulmonary inflammation in mice
Ho, CC;Tsai, MH;Chen, YC;Kuo, CC;Lin, P
Exposure to ambient particulate matter (PM) is associated with hypertension and cardiovascular diseases. Recently, we reported that exposure to fine and coarse PM caused pulmonary inflammation and pulmonary small arterial remodeling in mice, and osteopontin (OPN) level was elevated following PM exposure.(more)


Using a high-resolution mass spectrometry-based metabolomics strategy for comprehensively screening and identifying biomarkers of phthalate exposure: Method development and application
Hsu, JF;Tien, CP;Shih, CL;Liao, PM;Wong, HI;Liao, PC
Di-(2-propylheptyl) phthalate (DPHP) is an alternative plasticizer that can replace other phthalates currently being scrutinized, and its use and production volumes are increasing. This study aimed to develop a high-resolution mass spectrometry (HRMS)-based metabolomics strategy to comprehensively screen urinary biomarkers of DPHP exposure and filter out potentially useful DPHP exposure markers for human exposure assessments.(more)


Impacts of hazardous metals and PAHs in fine and coarse particles with long-range transports in Taipei City
Hsu, CY;Chiang, HC;Chen, MJ;Yang, TT;Wu, YS;Chen, YC
This study assessed the impact on air quality and health risk by long-range transported (LRT) PM2.5-10- and PM2.5-bound metals and PAHs in Taipei City, Taiwan. Several methods with receptor aerosol measurements were used to quantify the effect of LRT.(more)


A benchmark dose study of prenatal exposure to di(2-ethylhexyl) phthalate and behavioral problems in children
Chen, CC;Wang, YH;Chen, WJ;Hsiung, CA;Leon Guo, YL;Julie Wang, SL
INTRODUCTION: Prenatal exposure to di(2-ethylhexyl) phthalate (DEHP) has been reported to be associated with adverse effects on neurodevelopment that yield behavior syndromes in young children with an estimated median exposure lower than the currently recommended tolerable daily intake (TDI) and reference dose (RfD).(more)


Professional Driver’s Job stress and 8-year risk of cardiovascular disease: The Taiwan bus driver cohort study
Wu, WT;Tsai, SS;Wang, CC;Lin, YJ;Wu, TN;Shih, TS;Liou, SH
BACKGROUND: Two main job stress models-the Demand-Control-Support (DC) model and the Effort-Reward Imbalance (ERI) model have been used to assess the impact of psychosocial work-related factors for cardiovascular disease (CVD).(more)


PM 2.5 – and PM 10 -bound polycyclic aromatic hydrocarbons (PAHs) in the residential area near coal-fired power and steelmaking plants of Taichung City, Taiwan: In vitro-based health risk and source identification
Zhu, J;Hsu, CY;Chou, WC;Chen, MJ;Chen, JL;Yang, TT;Wu, YS;Chen, YC
We investigated spatial and season variations in particle-bound PAH concentrations, identified their potential sources and estimated resultant health risk of activate toxicity pathways in a residential area near coal-fired power and steelmaking plants.(more)


Urinary phthalate metabolites, coronary heart disease, and atherothrombotic markers
Su, TC;Hwang, JJ;Sun, CW;Wang, SL
Cross-sectional studies have described an association between exposure to phthalate esters and cardiovascular risk factors. However, the association with coronary heart disease (CHD) is still unclear. A total of 180 subjects randomly selected from 336 CHD patients, and 360 age- and sex-matched non-CHD controls were included from 2008 to 2011. (more)


Long-term exposure to high temperature associated with the incidence of major depressive disorder
Chen, NT;Lin, PH;Guo, YLL
Temperature was reported to have acute effects on mental disorders. However, the effect of long-term temperature exposure is unclear, especially in warmer regions. This research aimed to evaluate the association between long-term exposure to temperature and the incidence of major depressive disorder (MDD). A retrospective population-based study was conducted using Taiwan nationwide Longitudinal Health Insurance Database 2005. (more)


Changes in the relationship between childhood asthma and ambient air pollution in Taiwan: Results from a nationwide survey repeated 5 years apart
Chen, BY;Chen, CH;Chuang, YC;Wu, YH;Pan, SC;Guo, YL
BACKGROUND: Childhood asthma is a common condition whose prevalence is changing. Shift in environmental exposure was one of plausible explanation. This study investigated changes in the association between childhood asthma and ambient air pollution occurring over time. (more)


Prenatal exposure to PM2.5 and congenital heart diseases in Taiwan
Huang, CC;Chen, BY;Pan, SC;Ho, YL;Guo, YL
Gestational exposure to ambient air pollution has been associated with Congenital Heart Diseases (CHDs). However, only a few studies, with inconsistent results, have investigated the effects of PM2.5 exposure during early pregnancy. This study aims to evaluate the association between prenatal exposure to PM2.5 and CHDs occurrence.(more)


Health risk of metal exposure via inhalation of cigarette sidestream smoke particulate matter
Cheng, LC;Lin, CJ;Liu, HJ;Li, LA
Cigarette sidestream smoke particulate matter (CSSP) is a major source of airborne metals in the indoor environment. However, the health impacts of inhalation of CSSP-bound metals are rarely studied. In this study, we quantify the amount of 37 metals discharged through CSSP from a leading Taiwan brand of cigarette, Long Life. (more)


Lung tumorigenesis alters the expression of Slit2-exon15 splicing variants in tumor microenvironment
Wu, MF;Chuang, CY;Lin, P;Chen, WT;Su, SE;Liao, CY;Jan, MS;Chang, JT
Slit2 expression is downregulated in various cancers, including lung cancer. We identified two Slit2 splicing variants at exon15-Slit2-WT and Slit2-DeltaE15. In the RT-PCR analyses, the Slit2-WT isoform was predominantly expressed in all the lung cancer specimens and in their normal lung counterparts, whereas Slit2-DeltaE15 was equivalently or predominantly expressed in 41% of the pneumothorax specimens. (more)


Probabilistic integrated human mixture risk assessment of multiple metals through seafood consumption
Lin, YJ;Lin, P
Inorganic arsenic (iAs), cadmium (Cd), lead (Pb), and methylmercury (MeHg) are toxic metals that cause substantial health concern and are present in various seafood items. This study linked probabilistic risk assessment to the interactive hazard index (HIINT) approach to assess the human mixture risk posed by the dietary intake of iAs, Cd, Pb, and MeHg from seafood for different age populations, and joint toxic actions and toxic interactions among metals were also considered in the assessment. (more)


Mechanisms of repigmentation induced by photobiomodulation therapy in vitiligo
Yu, S;Lan, CE;Yu, HS
Photobiomodulation (PBM) therapy is based on the exposure of biological tissues to low-level laser light (coherent light) or light-emitting diodes (LEDs; noncoherent light), leading to the modulation of cellular functions, such as proliferation and migration, which result in tissue regeneration.(more)


Identification of osteopontin as a biomarker of human exposure to fine particulate matter
Ho, CC;Wu, WT;Chen, YC;Liou, SH;Yet, SF;Lee, CH;Tsai, HT;Weng, CY;Tsai, MH;Lin, P
Ambient particulate matter (PM) exposure is associated with pulmonary and cardiovascular diseases; however, there is scant research linking data on animal and human cells. The objective of this study was to investigate these associations. Vascular remodeling plays a crucial role in both pulmonary and cardiovascular diseases. (more)


Levels and temporal variations of urinary lead, cadmium, cobalt, and copper exposure in the general population of Taiwan
Liao, KW;Pan, WH;Liou, SH;Sun, CW;Huang, PC;Wang, SL
Toxic metal contamination in food products and the environment is a public health concern. Therefore, understanding human exposure to cadmium (Cd), lead (Pb), cobalt (Co), and copper (Cu) levels in the general population of Taiwan is necessary and urgent. We aimed to establish the human biomonitoring data of urine toxic metals, exposure profile changes, and factors associated with metal levels in the general population of Taiwan. (more)


Techniques for predicting exposures to polycyclic aromatic hydrocarbons (PAHs) emitted from cooking processes for cooking workers
Chen, CY;Kuo, YC;Wang, SM;Wu, KR;Chen, YC;Tsai, PJ
Cooking oil fumes contain polycyclic aromatic hydrocarbons (PAHs), which are known to cause chronic human health effects; hence long-term exposure data is required for determining workers’ exposure profiles and the resultant health risks. However, due to both time and cost constraints, previous studies were performed on a cross-sectional basis. (more)


TIP60-dependent acetylation of the SPZ1-TWIST complex promotes epithelial–mesenchymal transition and metastasis in liver cancer
Wang, LT;Wang, SN;Chiou, SS;Liu, KY;Chai, CY;Chiang, CM;Huang, SK;Yokoyama, KK;Hsu, SH
Metastasis is the main cause of cancer mortality. However, the triggering mechanisms and regulation of epithelial–mesenchymal transition (EMT) factors in the commitment of metastasis have not been well characterized. Spermatogenic Zip 1 (SPZ1) acts as a proto-oncogene and an upstream regulator of EMT during tumorigenesis. (more)


Novel STAT3 inhibitor LDOC1 targets phospho-JAK2 for degradation by interacting with LNX1 and regulates the aggressiveness of lung cancer
Lee, CH;Yang, JR;Chen, CY;Tsai, MH;Hung, PF;Chen, SJ;Chiang, SL;Chang, H;Lin, P
Meta-analysis revealed that Leucine Zipper Down-Regulated In Cancer 1 (LDOC1) increased methylation more in people with lung tumors than in those who were healthy and never smoked. Quantitative methylation-specific PCR revealed that cigarette smoke condensate (CSC) exposure drives LDOC1 promoter hypermethylation and silence in human bronchial cells. (more)

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