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Atlani M, Kumar A, Ahirwar R, Meenu MN, Goel SK, Kumari R, Anirudhan A, Vallamshetla S, Reddy GST. Heavy metal association with chronic kidney disease of unknown cause in central India-results from a case-control study. BMC Nephrol 2024; 25:120. [PMID: 38570752 PMCID: PMC10988978 DOI: 10.1186/s12882-024-03564-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Accepted: 03/26/2024] [Indexed: 04/05/2024] Open
Abstract
BACKGROUND Chronic Kidney Disease of unknown cause (CKDu) a disease of exclusion, and remains unexplained in various parts of the world, including India. Previous studies have reported mixed findings about the role of heavy metals or agrochemicals in CKDu. These studies compared CKDu with healthy controls but lacked subjects with CKD as controls. The purpose of this study was to test the hypothesis whether heavy metals, i.e. Arsenic (As), Cadmium (Cd), Lead (Pb), and Chromium (Cr) are associated with CKDu, in central India. METHODS The study was conducted in a case-control manner at a tertiary care hospital. CKDu cases (n = 60) were compared with CKD (n = 62) and healthy subjects (n = 54). Blood and urine levels of As, Cd, Pb, and Cr were measured by Inductively Coupled Plasma- Optical Emission Spectrometry. Pesticide use, painkillers, smoking, and alcohol addiction were also evaluated. The median blood and urine metal levels were compared among the groups by the Kruskal-Wallis rank sum test. RESULTS CKDu had significantly higher pesticide and surface water usage as a source of drinking water. Blood As levels (median, IQR) were significantly higher in CKDu 91.97 (1.3-132.7) µg/L compared to CKD 4.5 (0.0-58.8) µg/L and healthy subjects 39.01 (4.8-67.4) µg/L (p < 0.001) On multinominal regression age and sex adjusted blood As was independently associated with CKDu[ OR 1.013 (95%CI 1.003-1.024) P < .05].Blood and urinary Cd, Pb, and Cr were higher in CKD compared to CKDu (p > .05). Urinary Cd, Pb and Cr were undetectable in healthy subjects and were significantly higher in CKDu and CKD compared to healthy subjects (P = < 0.001). There was a significant correlation of Cd, Pb and Cr in blood and urine with each other in CKDu and CKD subjects as compared to healthy subjects. Surface water use also associated with CKDu [OR 3.178 (95%CI 1.029-9.818) p < .05). CONCLUSION The study showed an independent association of age and sex adjusted blood As with CKDu in this Indian cohort. Subjects with renal dysfunction (CKDu and CKD) were found to have significantly higher metal burden of Pb, Cd, As, and Cr as compared to healthy controls. CKDu subjects had significantly higher pesticide and surface water usage, which may be the source of differential As exposure in these subjects.
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Affiliation(s)
- Mahendra Atlani
- Department of Nephrology, All India Institute of Medical Sciences (AIIMS), Room No-3022, Academic Block, 3rd Floor, Saket Nagar, Bhopal, Madhya Pradesh, 462020, India.
| | - Ashok Kumar
- Department of Biochemistry, All India Institute of Medical Sciences (AIIMS), Saket Nagar, Bhopal, Madhya Pradesh, 462020, India.
| | - Rajesh Ahirwar
- Department of Environmental Biochemistry, ICMR-National Institute for Research in Environmental Health (NIREH), Bhopal, Madhya Pradesh, India
| | - M N Meenu
- Department of Nephrology, All India Institute of Medical Sciences (AIIMS), Room No-3022, Academic Block, 3rd Floor, Saket Nagar, Bhopal, Madhya Pradesh, 462020, India
| | - Sudhir K Goel
- Department of Biochemistry, All India Institute of Medical Sciences (AIIMS), Saket Nagar, Bhopal, Madhya Pradesh, 462020, India
| | - Ravita Kumari
- Department of Biochemistry, All India Institute of Medical Sciences (AIIMS), Saket Nagar, Bhopal, Madhya Pradesh, 462020, India
| | - Athira Anirudhan
- Department of Nephrology, All India Institute of Medical Sciences (AIIMS), Room No-3022, Academic Block, 3rd Floor, Saket Nagar, Bhopal, Madhya Pradesh, 462020, India
| | | | - G Sai Tharun Reddy
- All India Institute of Medical Sciences (AIIMS), Bhopal, Madhya Pradesh, India
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Shokat S, Iqbal R, Riaz S, Yaqub A. Association Between Arsenic Toxicity, AS3MT Gene Polymorphism and Onset of Type 2 Diabetes. Biol Trace Elem Res 2024; 202:1550-1558. [PMID: 37889428 DOI: 10.1007/s12011-023-03919-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 10/13/2023] [Indexed: 10/28/2023]
Abstract
Arsenic (As) exposure in drinking water has become a serious public health issue. AS3MT gene is involved in the metabolism of arsenic, so a single nucleotide polymorphism in this gene may lead to the development of type 2 diabetes in arsenic-exposed areas. This study aimed to evaluate the association of the AS3MT gene with the development of type 2 diabetes in highly arsenic-exposed areas of Punjab, Pakistan. Total 200 samples equal in number from high arsenic exposed-areas of Lahore (Nishtar) and Kasur (Mustafa Abad) were collected. rs11191439 was utilized as an influential variable to evaluate the association between arsenic metabolism and diabetes status to find a single nucleotide polymorphism in the AS3MT gene. We observed the arsenic level in drinking water of the arsenic-exposed selected areas 115.54 ± 1.23 µg/L and 96.88 ± 0.48 µg/L, respectively. The As level in the urine of diabetics (98.54 ± 2.63 µg/L and 56.38 ± 12.66 µg/L) was higher as compared to non-diabetics (77.58 ± 1.8 µg/L and 46.9 ± 8.95 µg/L) of both affected areas, respectively. Correspondingly, the As level in the blood of diabetics (6.48 ± 0.08 µg/L and 5.49 ± 1.43 µg/L) and non-diabetics (6.22 ± 0.12 µg/L and 5.26 ± 0.24 µg/L) in the affected areas. Genotyping showed significant differences in the frequencies of alleles among cases and controls. Nevertheless, notable disparities in genotype distribution were observed in SNPs rs11191439 (T/C) (P < 0.05) and when comparing T2D patients and non-diabetic control subjects. The AS3MT gene and clinical parameters show a significant association with the affected people with diabetes living in arsenic-exposed areas.
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Affiliation(s)
- Saima Shokat
- Department of Zoology, Government College University, Lahore, Pakistan.
| | - Riffat Iqbal
- Department of Zoology, Government College University, Lahore, Pakistan
| | - Samreen Riaz
- Institute of Microbiology and Molecular Genetics, University of the Punjab, Lahore, Pakistan
| | - Atif Yaqub
- Department of Zoology, Government College University, Lahore, Pakistan
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Lim SY, Dayal H, Seah SJ, Tan RPW, Low ZE, Laserna AKC, Tan SH, Chan MY, Li SFY. Plasma metallomics reveals potential biomarkers and insights into the ambivalent associations of elements with acute myocardial infarction. J Trace Elem Med Biol 2023; 77:127148. [PMID: 36905853 DOI: 10.1016/j.jtemb.2023.127148] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 02/26/2023] [Accepted: 03/02/2023] [Indexed: 03/07/2023]
Abstract
Acute myocardial infarction (AMI) is a leading cause of mortality and morbidity worldwide. Using a validated and efficient ICP-MS/MS-based workflow, a total of 30 metallomic features were profiled in a study comprising 101 AMI patients and 66 age-matched healthy controls. The metallomic features include 12 essential elements (Ca, Co, Cu, Fe, K, Mg, Mn, Na, P, S, Se, Zn), 8 non-essential/toxic elements (Al, As, Ba, Cd, Cr, Ni, Rb, Sr, U, V), and 10 clinically relevant element-pair product/ratios (Ca/Mg, Ca×P, Cu/Se, Cu/Zn, Fe/Cu, P/Mg, Na/K, Zn/Se). Preliminary linear regression with feature selection confirmed smoking status as a predominant determinant for the non-essential/toxic elements, and revealed potential routes of action. Univariate assessments with adjustments for covariates revealed insights into the ambivalent relationships of Cu, Fe, and P with AMI, while also confirming cardioprotective associations of Se. Also, beyond their roles as risk factors, Cu and Se may be involved in the response mechanism in AMI onset/intervention, as demonstrated via longitudinal data analysis with 2 additional time-points (1-/6-month follow-up). Finally, based on both univariate tests and multivariate classification modelling, potentially more sensitive markers measured as element-pair ratios were identified (e.g., Cu/Se, Fe/Cu). Overall, metallomics-based biomarkers may have utility for AMI prediction.
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Affiliation(s)
- Si Ying Lim
- NUS Graduate School's Integrative Sciences & Engineering Programme (ISEP), National University of Singapore, University Hall, Tan Chin Tuan Wing, 119077, Singapore; Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
| | - Hiranya Dayal
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
| | - Song Jie Seah
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
| | - Regina Pei Woon Tan
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
| | - Zhi En Low
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
| | - Anna Karen Carrasco Laserna
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore; Central Instrument Facility, Office of the Vice Chancellor for Research and Innovation, De La Salle University, 2401 Taft Avenue, Malate, Manila 1004, Philippines
| | - Sock Hwee Tan
- Cardiovascular Research Institute, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117599, Singapore
| | - Mark Y Chan
- Cardiovascular Research Institute, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117599, Singapore
| | - Sam Fong Yau Li
- NUS Graduate School's Integrative Sciences & Engineering Programme (ISEP), National University of Singapore, University Hall, Tan Chin Tuan Wing, 119077, Singapore; Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore.
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García Salcedo JJ, Roh T, Nava Rivera LE, Betancourt Martínez ND, Carranza Rosales P, San Miguel Salazar MF, Rivera Guillén MA, Serrano Gallardo LB, Niño Castañeda MS, Guzmán Delgado NE, Millán Orozco J, Ortega Morales N, Morán Martínez J. Comparative Biomonitoring of Arsenic Exposure in Mothers and Their Neonates in Comarca Lagunera, Mexico. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:16232. [PMID: 36498305 PMCID: PMC9739351 DOI: 10.3390/ijerph192316232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Revised: 11/22/2022] [Accepted: 11/29/2022] [Indexed: 06/17/2023]
Abstract
Multiple comorbidities related to arsenic exposure through drinking water continue to be public problems worldwide, principally in chronically exposed populations, such as those in the Comarca Lagunera (CL), Mexico. In addition, this relationship could be exacerbated by an early life exposure through the placenta and later through breast milk. This study conducted a comparative analysis of arsenic levels in multiple biological samples from pregnant women and their neonates in the CL and the comparison region, Saltillo. Total arsenic levels in placenta, breast milk, blood, and urine were measured in pregnant women and their neonates from rural areas of seven municipalities of the CL using atomic absorption spectrophotometry with hydride generation methodology. The average concentrations of tAs in drinking water were 47.7 µg/L and 0.05 µg/L in the exposed and non-exposed areas, respectively. Mean levels of tAs were 7.80 µg/kg, 77.04 µg/g-Cr, and 4.30 µg/L in placenta, blood, urine, and breast milk, respectively, in mothers, and 107.92 µg/g-Cr in neonates in the exposed group, which were significantly higher than those in the non-exposed area. High levels of urinary arsenic in neonates were maintained 4 days after birth, demonstrating an early arsenic exposure route through the placenta and breast milk. In addition, our study suggested that breastfeeding may reduce arsenic exposure in infants in arsenic-contaminated areas. Further studies are necessary to follow up on comorbidities later in life in neonates and to provide interventions in this region.
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Affiliation(s)
- José Javier García Salcedo
- Departamento de Bioquímica y Farmacología, Centro de Investigaciones Biomédicas, Facultad de Medicina, Universidad Autónoma de Coahuila Torreón, Torreón 27000, Mexico
| | - Taehyun Roh
- Department of Epidemiology and Biostatistics, School of Public Health, Texas A&M University, College Station, TX 77843, USA
| | - Lydia Enith Nava Rivera
- Departamento de Biología Celular y Ultraestructura, Centro de Investigaciones Biomédicas, Facultad de Medicina, Universidad Autónoma de Coahuila Torreón, Torreón 27000, Mexico
| | - Nadia Denys Betancourt Martínez
- Departamento de Biología Celular y Ultraestructura, Centro de Investigaciones Biomédicas, Facultad de Medicina, Universidad Autónoma de Coahuila Torreón, Torreón 27000, Mexico
| | - Pilar Carranza Rosales
- Centro de Investigaciones Biomédicas del Noreste, Instituto Mexicano del Seguro Social, Monterrey 64000, Mexico
| | - María Francisco San Miguel Salazar
- Departamento de Bioquímica y Farmacología, Centro de Investigaciones Biomédicas, Facultad de Medicina, Universidad Autónoma de Coahuila Torreón, Torreón 27000, Mexico
| | - Mario Alberto Rivera Guillén
- Departamento de Bioquímica y Farmacología, Centro de Investigaciones Biomédicas, Facultad de Medicina, Universidad Autónoma de Coahuila Torreón, Torreón 27000, Mexico
| | - Luis Benjamín Serrano Gallardo
- Departamento de Bioquímica y Farmacología, Centro de Investigaciones Biomédicas, Facultad de Medicina, Universidad Autónoma de Coahuila Torreón, Torreón 27000, Mexico
| | - María Soñadora Niño Castañeda
- Departamento de Biología Celular y Ultraestructura, Centro de Investigaciones Biomédicas, Facultad de Medicina, Universidad Autónoma de Coahuila Torreón, Torreón 27000, Mexico
| | - Nacny Elena Guzmán Delgado
- División de Investigaciones en Salud, Unidad Médica de Alta Especialidad, Hospital de Cardiología #34, Instituto Mexicano del Seguro Social, Monterrey 64000, Mexico
| | - Jair Millán Orozco
- Unidad Laguna, Universidad Autónoma Agraria Antonio Narro, Raúl López Sánchez, Torreon 27000, Mexico
| | - Natalia Ortega Morales
- División de Investigaciones en Salud, Unidad Médica de Alta Especialidad, Hospital de Cardiología #34, Instituto Mexicano del Seguro Social, Monterrey 64000, Mexico
| | - Javier Morán Martínez
- Departamento de Biología Celular y Ultraestructura, Centro de Investigaciones Biomédicas, Facultad de Medicina, Universidad Autónoma de Coahuila Torreón, Torreón 27000, Mexico
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Wang T, Lv Z, Fu X, Zheng S, Yang Z, Zou X, Liu Y, Zhang Y, Wen Y, Lu Q, Huang H, Huang S, Liu R. Associations between plasma metal levels and mild renal impairment in the general population of Southern China. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 247:114209. [PMID: 36308880 DOI: 10.1016/j.ecoenv.2022.114209] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 09/11/2022] [Accepted: 10/17/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND Metal exposure were assumed to be closely related with declined renal function, but the conclusions were controversial. We employed diverse statistical models and assessed the association between metal mixture exposure and mild renal impairment. METHODS A total of 13 plasma metals were measured in 896 general population from Southern China. Subjects with estimated glomerular filtration rate within 60-89 ml/min/1.73 m2 and urinary albumin-creatinine ratio <30 mg/g creatinine were defined as mild renal impairment (MRI). RESULTS About 31.47 % participants showed MRI. In the multivariate logistic regression models, compared with the first quartile, high levels of arsenic and molybdenum (the fourth quartile) were both associated with MRI, and the ORs (95 % CI) were 1.68 (1.05, 2.68) and 2.21 (1.40, 3.48), respectively. Their predominant roles were identified by the weighted quantile regression (WQS). Besides, restricted cubic spline analysis verified the relationship between molybdenum level and increased MRI risk in a linear and dose-response manner. CONCLUSION High levels of arsenic and molybdenum might be independent risk factors of MRI, and they showed combined effect. Our findings might provide vigorous evidence in preventing mild decline in renal function.
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Affiliation(s)
- Tian Wang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China; Department of Environment and Health, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
| | - Ziquan Lv
- Department of Environment and Health, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
| | - Xuejun Fu
- Department of Neurology, People's Hospital of Shenzhen, Shenzhen 518020, China
| | - Sijia Zheng
- Department of Environment and Health, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China; School of Public Health, Shanxi Medical University, Taiyuan 030001, China
| | - Zijie Yang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Xuan Zou
- Department of Environment and Health, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
| | - Yuewei Liu
- Department of Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Yanwei Zhang
- Department of Environment and Health, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
| | - Ying Wen
- Department of Environment and Health, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
| | - Qi Lu
- Department of Environment and Health, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China; School of Public Health, Shanxi Medical University, Taiyuan 030001, China
| | - Hui Huang
- Department of Cardiology, the Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen 518033, China
| | - Suli Huang
- Department of Environment and Health, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China.
| | - Ran Liu
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China.
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Choi JW, Song YC, Cheong NY, Lee K, Kim S, Lee KM, Ji K, Shin MY, Kim S. Concentrations of blood and urinary arsenic species and their characteristics in general Korean population. ENVIRONMENTAL RESEARCH 2022; 214:113846. [PMID: 35820651 DOI: 10.1016/j.envres.2022.113846] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 06/22/2022] [Accepted: 07/05/2022] [Indexed: 06/15/2023]
Abstract
Arsenic (As) exposure has been extensively studied by investigating As species (e.g., inorganic arsenic (iAs), monomethylarsonic acid (MMA), and dimethylarsinic acid (DMA)) in urine, yet recent research suggests that blood could be a possible biomarker of As exposure. These investigations, however, were conducted on iAs-contaminated areas, and evidence on populations exposed to low levels of iAs is limited. This study aimed to describe the levels and distributions of As species in urine and blood, as well as to estimate methylation efficiency and related factors in the Korean population. Biological samples were obtained by the Korean Ministry of Food and Drug Safety. A total of 2025 urine samples and 598 blood samples were utilized in this study. Six As species were measured using ultra-high-performance liquid chromatography with inductively coupled plasma mass spectrometry (UPLC-ICP-MS): As(V), As(III), MMA, DMA, arsenobetaine (AsB), and arsenocholine (AsC). Multiple linear regression models were used to examine the relationship between As species (concentrations and proportions) and covariates. AsB was the most prevalent species in urine and blood. The relative composition of iAs, MMA, DMA, and AsC in urine and blood differed significantly. Consumption of blue-backed fish was linked to higher levels of AsB in urine and blood. Type of drinking water and multigrain rice consumption were associated with increased iAs concentration in urine. Except for iAs, every species had correlations in urine and blood in both univariate and multivariate analyses. Adolescents and smokers presented a lower methylation efficiency (higher %MMA and lower %DMA in urine) and females presented a higher methylation efficiency (lower %iAs, %MMA, and higher %DMA in urine). In conclusion, blood iAs concentration cannot represent urinary iAs; nonetheless, different compositions of urine and blood might reflect distinct information about iAs exposure. Further investigations on exposure factors and health are needed using low-exposure groups.
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Affiliation(s)
- Jeong Weon Choi
- Department of Environmental Health Sciences, Graduate School of Public Health, Seoul National University, Seoul, South Korea
| | - Yoon Chae Song
- Korea Apparel Testing and Research Institute (KATRI), Anyang, Gyeonggi-do, South Korea
| | - Nam-Yong Cheong
- Korea Apparel Testing and Research Institute (KATRI), Anyang, Gyeonggi-do, South Korea
| | - Kiyoung Lee
- Department of Environmental Health Sciences, Graduate School of Public Health, Seoul National University, Seoul, South Korea; Institute of Health and Environment, Seoul National University, Seoul, South Korea
| | - Sunmi Kim
- Chemical Safety Research Center, Korea Research Institute of Chemical Technology, Daejeon, South Korea
| | - Kyoung-Mu Lee
- Department of Environmental Health, Korea National Open University, Seoul, South Korea
| | - Kyunghee Ji
- Department of Occupational and Environmental Health, Yongin University, Yongin, Gyeonggi-do, South Korea
| | - Mi-Yeon Shin
- Department of Environmental Health Sciences, Graduate School of Public Health, Seoul National University, Seoul, South Korea; Office of Dental Education, School of Dentistry, Seoul National University, Seoul, South Korea.
| | - Sungkyoon Kim
- Department of Environmental Health Sciences, Graduate School of Public Health, Seoul National University, Seoul, South Korea; Institute of Health and Environment, Seoul National University, Seoul, South Korea.
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Zhou M, Wang X, Yang S, Wang B, Ma J, Wang D, Guo Y, Shi T, Chen W. Cross-sectional and longitudinal associations between urinary arsenic and lung function among urban Chinese adults. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 844:157028. [PMID: 35777566 DOI: 10.1016/j.scitotenv.2022.157028] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 06/21/2022] [Accepted: 06/24/2022] [Indexed: 06/15/2023]
Abstract
To investigate the associations of arsenic exposure with lung function and ventilatory impairment. The repeated-measures study was developed with 8479 observations from three study periods of the Wuhan-Zhuhai cohort. Urinary arsenic and lung function were measured during each period. Linear mixed models were used to estimate the cross-sectional and longitudinal relationships between urinary arsenic and lung function. Logistic regression models and COX regression models were used to evaluate the cross-sectional and longitudinal associations between urinary arsenic and ventilatory impairment, respectively. In the cross-sectional analysis, each 1-unit increase in log-transformed urinary arsenic was associated with a -22.499 mL (95 % confidence interval (CI): -35.832 to -9.165), -15.081 mL (-25.205 to -4.957), and -0.274 % (-0.541 to -0.007) change in forced vital capacity (FVC), forced expiratory volume in 1 s (FEV1), and FEV1/FVC, respectively. In the longitudinal analysis, each 1-unit increase in log-transformed urinary arsenic was associated with an annual change rate of -6.240 mL/year (95 % CI: -12.429 to -0.051), -5.855 mL/year (-10.632 to -1.079), and -0.143 %/year (-0.234 to -0.051) in FVC, FEV1, and FEV1/FVC, respectively. Stratified analyses suggested a modification role of gender on the cross-sectional and longitudinal associations between urinary arsenic and FEV1, with the stronger associations were found among males (P for modification 0.0384 and 0.0168). Furtherly, each 1-unit increase in log-transformed urinary arsenic was associated with a 14.8 % (odds ratio 1.148, 95 % CI: 1.043 to 1.263) and 11.7 % (hazard ratio 1.117, 95 % CI: 1.023 to 1.218) increase in the prevalent and incident risk of restrictive ventilatory impairment, respectively. Source analyses suggested that fish intake and fine particulate matter inhalation positively associated with the total arsenic levels. In conclusion, arsenic exposure was associated with lung function decline and the risk of restrictive ventilatory impairment.
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Affiliation(s)
- Min Zhou
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Xing Wang
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Shijie Yang
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Bin Wang
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Jixuan Ma
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Dongming Wang
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Yanjun Guo
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Tingming Shi
- Hubei Provincial Key Laboratory for Applied Toxicology, Hubei Provincial Center for Disease Control and Prevention, Wuhan, Hubei 430079, China
| | - Weihong Chen
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China.
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Association between Arsenic Level, Gene Expression in Asian Population, and In Vitro Carcinogenic Bladder Tumor. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:3459855. [PMID: 35039759 PMCID: PMC8760535 DOI: 10.1155/2022/3459855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 11/25/2021] [Indexed: 11/18/2022]
Abstract
The IARC classified arsenic (As) as "carcinogenic to humans." Despite the health consequences of arsenic exposure, there is no molecular signature available yet that can predict when exposure may lead to the development of disease. To understand the molecular processes underlying arsenic exposure and the risk of disease development, this study investigated the functional relationship between high arsenic exposure and disease risk using gene expression derived from human exposure. In this study, a three step analysis was employed: (1) the gene expression profiles obtained from two diverse arsenic-exposed Asian populations were utilized to identify differentially expressed genes associated with arsenic exposure in human subjects, (2) the gene expression profiles induced by arsenic exposure in four different myeloma cancer cell lines were used to define common genes and pathways altered by arsenic exposure, and (3) the genetic profiles of two publicly available human bladder cancer studies were used to test the significance of the common association of genes, identified in step 1 and step 2, to develop and validate a predictive model of primary bladder cancer risk associated with arsenic exposure. Our analysis shows that arsenic exposure to humans is mainly associated with organismal injury and abnormalities, immunological disease, inflammatory disease, gastrointestinal disease, and increased rates of a wide variety of cancers. In addition, arsenic exerts its toxicity by generating reactive oxygen species (ROS) and increasing ROS production causing the imbalance that leads to cell and tissue damage (oxidative stress). Oxidative stress activates inflammatory pathways leading to transformation of a normal cell to tumor cell specifically; there is significant evidence of the advancing changes in oxidative/nitrative stress during the progression of bladder cancer. Therefore, we examined the relation of differentially expressed genes due to exposure of arsenic in human and bladder cancer and developed a bladder cancer risk prediction model. In this study, integrin-linked kinase (ILK) was one of the most significant pathways identified between both arsenic exposed population which plays a key role in eliciting a protective response to oxidative damage in epidermal cells. On the other hand, several studies showed that arsenic trioxide (ATO) is useful for anticancer therapy although the mechanisms underlying its paradoxical effects are still not well understood. ATO has shown remarkable efficacy for the treatment of multiple myeloma; therefore, it will be helpful to understand the underlying cancer biology by which ATO exerts its inhibitory effect on the myeloma cells. Our study found that MAPK is one of the most active network between arsenic gene and ATO cell line which is involved in indicative of oxidative/nitrosative damage and well associated with the development of bladder cancer. The study identified a unique set of 147 genes associated with arsenic exposure and linked to molecular mechanisms of cancer. The risk prediction model shows the highest prediction ability for recurrent bladder tumors based on a very small subset (NKIRAS2, AKTIP, and HLA-DQA1) of the 147 genes resulting in AUC of 0.94 (95% CI: 0.744-0.995) and 0.75 (95% CI: 0.343-0.933) on training and validation data, respectively.
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Pullella K, Kotsopoulos J. Arsenic Exposure and Breast Cancer Risk: A Re-Evaluation of the Literature. Nutrients 2020; 12:nu12113305. [PMID: 33126678 PMCID: PMC7694128 DOI: 10.3390/nu12113305] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 10/16/2020] [Accepted: 10/25/2020] [Indexed: 12/15/2022] Open
Abstract
Arsenic is a widespread environmental contaminant and recognized carcinogen for the skin, bladder and lungs. In recent years, there has been an increasing number of studies that have investigated the effects of arsenic exposure and cancer risk at other sites, including the breast. However, to date, the association between arsenic exposure and breast cancer risk remains unclear. This article will provide an overview of arsenic metabolism, the clinically important biomarkers commonly used to assess arsenic exposure, and review the epidemiologic studies examining the role of arsenic exposure on breast cancer risk. Given the large burden of disease associated with breast cancer, it is of the upmost importance to identify risk factors and preventative strategies that could reduce cancer incidence. Limiting exposure to endemic environmental toxins, such as arsenic, represents one such strategy. More studies are required to better ascertain this relationship and to develop the public policy necessary to significantly reduce breast cancer incidence.
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Affiliation(s)
- Katherine Pullella
- Department of Nutritional Sciences, University of Toronto, Toronto, ON M5S 1A1, Canada;
- Women’s College Research Institute, Women’s College Hospital, Toronto, ON M5S 1B2, Canada
| | - Joanne Kotsopoulos
- Women’s College Research Institute, Women’s College Hospital, Toronto, ON M5S 1B2, Canada
- Dalla Lana School of Public Health, University of Toronto, Toronto, ON M5T 3M7, Canada
- Correspondence: ; Tel.: +416-351-3732 x 2126
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