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Broccia G, Carter J, Ozsin-Ozler C, De Matteis S, Cocco P. Epidemiology of acute lymphoblastic leukaemia in Sardinia, Italy: Age, sex, and environmental correlates. Cancer Epidemiol 2024; 91:102582. [PMID: 38733651 DOI: 10.1016/j.canep.2024.102582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2024] [Revised: 04/23/2024] [Accepted: 05/03/2024] [Indexed: 05/13/2024]
Abstract
Using a database of 1974-2003 incident cases of haematological malignancies, we explored the time trend, geographic spread and socio-economic and environmental correlates of ALL incidence in Sardinia, Italy, by sex and age. The age- and sex-standardized (World population) ALL incidence rate was 2.0 per 100,000 (95% CI 1.8 - 2.1) and showed variable trend patterns by sex and age. In the total population, ALL incidence showed an annual per cent change of -1.4% (95% CI -0.59 - -3.34) over the study period, with a knot separating a downward slope in 1974-1996 from an increase in 1996-2003. ALL incidence replicated such pattern in women but not men, whose incidence did not substantially vary over the study period (APC = -2.57%, 95% CI -5.45 - 0.26). Among women, the spatial analysis suggested a clustering of ALL in the southwestern part of the region, whilst only a commune had a high posterior probability of a high ALL incidence among men. Three unrelated communes showed a high posterior probability of ALL at age ≤ 24; only the most populated urban centre showed excess cases at age ≥ 25 years. There was no correlation between the geographic spread of ALL at ages ≤ 24 and ≥ 25 years (p = 0.082). Urban residence was a risk factor for the younger age group. Residences near industrial settlements and in the most populated urban centre were risk factors for subjects aged ≥ 25 years. Our findings suggest age-related differences in ALL aetiology.
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Affiliation(s)
- Giorgio Broccia
- Department of Haematology and Bone Marrow Transplants, Hospital A. Businco, Cagliari 09121, Italy
| | | | - Cansu Ozsin-Ozler
- Hacettepe University, Faculty of Dentistry, Department of Pediatric Dentistry, Ankara, Turkey
| | | | - Pierluigi Cocco
- Centre for Occupational and Environmental Health, Division of Public Health, Health Services Research &Primary Care, University of Manchester, Manchester M13 9PL, United Kingdom.
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Kumar A, Kumar K, Ali M, Raj V, Srivastava A, Kumar M, Niraj PK, Kumar M, Kumar R, Kumar D, Bishwapriya A, Kumar R, Kumar S, Anand G, Kumar S, Sakamoto M, Ghosh AK. Severe Disease Burden and the Mitigation Strategy in the Arsenic-Exposed Population of Kaliprasad Village in Bhagalpur District of Bihar, India. Biol Trace Elem Res 2024; 202:1948-1964. [PMID: 37632687 DOI: 10.1007/s12011-023-03822-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 08/16/2023] [Indexed: 08/28/2023]
Abstract
The present study was carried out in the village Kaliprasad of Bhagalpur district of Bihar to know the arsenic exposure effect in the exposed population. A total of n = 102 households were studied, and their water and biological samples such as urine and hair were collected and analyzed in a graphite furnace atomic absorption spectrophotometer (GF-AAS). The assessment of arsenic-exposed village population reveals that the villagers were suffering from serious health-related problems such as skin manifestations (hyperkeratosis and melanosis in their palm and soles), breathlessness, general body weakness, mental disorders, diabetes, hypertension (raised blood pressure), hormonal imbalance, neurological disorders, and few cancer cases. About 77% of household hand pump water had arsenic level more than the WHO recommended level of 10 µg/L, with highest level of 523 µg/L. Moreover, in 60% individual's urine samples, arsenic concentration was very high with maximum 374 µg/L while in hair 64% individuals had arsenic concentration above the permissible limit with maximum arsenic concentration of 11,398 µg/kg. The hazard quotient (HQ) was also calculated to know the arsenic risk percentage in children as 87.11%, in females as 83.15%, and in males as 82.27% by groundwater. This has surpassed the threshold value of 1 × 10 - 6 for carcinogenic risk (CR) in children, female, and male population group in the village. Hence, the exposed population of Kaliprasad village are at very high risk of the disease burden.
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Affiliation(s)
- Arun Kumar
- Mahavir Cancer Sansthan and Research Centre, Patna, Bihar, 801505, India.
| | - Kanhaiya Kumar
- Mahavir Cancer Sansthan and Research Centre, Patna, Bihar, 801505, India
| | - Mohammad Ali
- Mahavir Cancer Sansthan and Research Centre, Patna, Bihar, 801505, India
| | - Vivek Raj
- Patna Women's College, Patna, Bihar, India
| | - Abhinav Srivastava
- Mahavir Cancer Sansthan and Research Centre, Patna, Bihar, 801505, India
| | | | - Pintoo Kumar Niraj
- Mahavir Cancer Sansthan and Research Centre, Patna, Bihar, 801505, India
| | - Mukesh Kumar
- Mahavir Cancer Sansthan and Research Centre, Patna, Bihar, 801505, India
| | - Rishav Kumar
- Mahavir Cancer Sansthan and Research Centre, Patna, Bihar, 801505, India
| | - Dhruv Kumar
- UPES University, Dehradun, Uttarakhand, India
| | | | - Ranjit Kumar
- Central University of Himachal Pradesh, Kangra, Himachal Pradesh, India
| | - Suresh Kumar
- Sido Kanhu Murmu University, Dumka, Jharkhand, India
| | | | | | | | - Ashok Kumar Ghosh
- Mahavir Cancer Sansthan and Research Centre, Patna, Bihar, 801505, India
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Maity J, Pal P, Pal R, Mukhopadhyay PK. Co-administration of L-Ascorbic Acid and α-Tocopherol Alleviates Arsenic-Induced Immunotoxicities in the Thymus and Spleen by Dwindling Oxidative Stress-Induced Inflammation. Biol Trace Elem Res 2024; 202:2199-2227. [PMID: 37704839 DOI: 10.1007/s12011-023-03841-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Accepted: 09/01/2023] [Indexed: 09/15/2023]
Abstract
Herein, we investigated whether L-ascorbic acid (L-AA) and α-tocopherol (α-T) co-administration has the potential to alleviate arsenic-induced immunotoxicities in the thymus, spleen, and circulating leukocytes. Forty-eight adult male Wistar rats were randomly divided into four groups before the treatment: group I (control); group II (sodium arsenite, 3 mg/kg/day/rat); group III (sodium arsenite + L-AA (200 mg/kg/day/rat) and α-T (400 mg/kg/day/rat)); group IV (L-AA and α-T). The result showed that sodium arsenite exposure (consecutive 30 days) caused weight reduction, structural alterations in the thymus and spleen, accompanied by a decrease in thymocyte and splenocyte count. Decreased superoxide dismutase and catalase activity, increased malondialdehyde and protein-carbonyl content, reduced Nrf2 and Bcl2 expression, and increased p-ERK, NF-kβ, Bax, and cleaved-caspase-3 expression were also observed in the thymus and spleen of arsenic-exposed rats. Enhanced plasma ACTH and corticosterone, ROS-induced apoptosis of lymphocytes were also observed. L-AA and α-T co-administration has the potential to abrogate the deleterious impact of arsenic on the thymus, spleen, and circulating lymphocytes. Whole transcriptome analysis of leukocytes revealed that arsenic treatment augmented the expression of Itga4, Itgam, and MMP9 genes, which might help in transient migration of the leukocytes through the endothelial cell layer. Co-administration with L-AA and α-T maintained Itga4, Itgam, and MMP9 gene expression within leukocytes at a lower level.
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Affiliation(s)
- Jeet Maity
- Department of Life Sciences, Presidency University, 86/1 College Street, Kolkata, 700073, India
| | - Priyankar Pal
- Department of Life Sciences, Presidency University, 86/1 College Street, Kolkata, 700073, India
| | - Ranjana Pal
- Department of Life Sciences, Presidency University, 86/1 College Street, Kolkata, 700073, India
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Waheed Z, Iqbal S, Irfan M, Jabeen K, Ilyas N, Al-Qahtani WH. Isolation and characterization of PGPR obtained from different arsenic-contaminated soil samples and their effect on photosynthetic characters of maize grown under arsenic stress. Environ Sci Pollut Res Int 2024; 31:18656-18671. [PMID: 38347363 DOI: 10.1007/s11356-024-31972-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 01/07/2024] [Indexed: 03/09/2024]
Abstract
Contamination of the environment due to speedup of anthropogenic activities has become a serious threat to modern humanity. Among the contaminants, the new emerging concern is the heavy metal (HM) contamination in the environment. Because the persistence and harmfulness of heavy metals affect the ecosystem and the health of plants, animals, and humans, they are the most toxic substances in the environment. Among them, Arsenic (As) emerged as major environmental constraint leading to enormous negative effects on the plant, animal, and human health. Even in minute quantity, As is known to cause various critical diseases in humans and toxicity in plants. Research was performed to observe the capability of plant growth-promoting strains of bacteria in enhancing Zea mays (L.) growth in arsenic polluted soil. Total 30 bacterial strains were isolated from the polluted soils, screened for plant growth promotion potential and arsenic tolerance. Eighteen isolates showed resistance to different levels of sodium arsenate (ranging from 0 to 50 mM) in agar plate using LB media. Of 18 isolates, 83.3% produced IAA, methyl red, and hydrogen cyanide; 55.5% exhibited catalase activity; 61.1% showed siderophore production; 88.8% showed phosphate solubilization; and 44.4% showed oxidase, Voges proskauer activity, and KOH solubility. The most efficient isolates SR3, SD5, and MD3 with significant arsenic tolerance and plant growth-promoting (PGP) activity were examined via sequencing of amplified 16S rRNA gene. Isolates of bacteria, i.e., SR3, SD5, and MD3, showing multiple PGP-traits were identified as Bacillus pumilus (NCBI accession number: OR459628), Paenibacillus faecalis (NCBI accession number: OR461560), and Pseudochrobactrum asaccharolyticum (NCBI accession number: OR458922), respectively. Maize seeds treated with these PGPR strains were grown in pots contaminated with 50 ppm and 100 ppm sodium arsenate. Compared to untreated arsenic stressed plants, bacterial inoculation P. asaccharolyticum (MD3) resulted 20.54%, 18.55%, 33.45%, 45.08%, and 48.55% improvement of photosynthetic pigments (carotenoid content, chlorophyll content, stomatal conductance (gs), substomatal CO2, and photosynthetic rate), respectively. Principal component analysis explained that first two components were more than 96% of the variability for each tested parameter. The results indicate that in comparison to other isolates, P. asaccharolyticum isolate can be used as efficient agent for improving maize growth under arsenic polluted soil.
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Affiliation(s)
- Zainab Waheed
- Department of Botany, Lahore College For Women University, Lahore, Pakistan
| | - Sumera Iqbal
- Department of Botany, Lahore College For Women University, Lahore, Pakistan.
| | - Muhammad Irfan
- KAM School of Life Sciences, Forman Christian College, Lahore, Pakistan
| | - Khajista Jabeen
- Department of Botany, Lahore College For Women University, Lahore, Pakistan
| | - Noshin Ilyas
- Department of Botany, PMAS-Arid Agriculture University, Rawalpindi, Pakistan
| | - Wahidah H Al-Qahtani
- Department of Food Sciences & Nutrition, College of Food & Agriculture Sciences, King Saud University, Riyadh, 11451, Saudi Arabia
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Aryan Y, Pon T, Panneerselvam B, Dikshit AK. A comprehensive review of human health risks of arsenic and fluoride contamination of groundwater in the South Asia region. J Water Health 2024; 22:235-267. [PMID: 38421620 PMCID: wh_2023_082 DOI: 10.2166/wh.2023.082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/02/2024]
Abstract
The present study found that ∼80 million people in India, ∼60 million people in Pakistan, ∼70 million people in Bangladesh, and ∼3 million people in Nepal are exposed to arsenic groundwater contamination above 10 μg/L, while Sri Lanka remains moderately affected. In the case of fluoride contamination, ∼120 million in India, >2 million in Pakistan, and ∼0.5 million in Sri Lanka are exposed to the risk of fluoride above 1.5 mg/L, while Bangladesh and Nepal are mildly affected. The hazard quotient (HQ) for arsenic varied from 0 to 822 in India, 0 to 33 in Pakistan, 0 to 1,051 in Bangladesh, 0 to 582 in Nepal, and 0 to 89 in Sri Lanka. The cancer risk of arsenic varied from 0 to 1.64 × 1-1 in India, 0 to 1.07 × 10-1 in Pakistan, 0 to 2.10 × 10-1 in Bangladesh, 0 to 1.16 × 10-1 in Nepal, and 0 to 1.78 × 10-2 in Sri Lanka. In the case of fluoride, the HQ ranged from 0 to 21 in India, 0 to 33 in Pakistan, 0 to 18 in Bangladesh, 0 to 10 in Nepal, and 0 to 10 in Sri Lanka. Arsenic and fluoride have adverse effects on animals, resulting in chemical poisoning and skeletal fluorosis. Adsorption and membrane filtration have demonstrated outstanding treatment outcomes.
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Affiliation(s)
- Yash Aryan
- Environmental Science and Engineering Department, Indian Institute of Technology Bombay, Mumbai 400076, India E-mail:
| | - Thambidurai Pon
- Department of Coastal Disaster Management, School of Physical, Chemical and Applied Sciences, Pondicherry University, Port Blair Campus - 744112, Andaman and Nicobar Islands, India
| | - Balamurugan Panneerselvam
- Center of Excellence in Interdisciplinary Research for Sustainable Development, Chulalongkorn University, Bangkok 10330, Thailand
| | - Anil Kumar Dikshit
- Environmental Science and Engineering Department, Indian Institute of Technology Bombay, Mumbai 400076, India
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Lumour-Mensah T, Lemos B. Defining high confidence targets of differential CpG methylation in response to in utero arsenic exposure and implications for cancer risk. Toxicol Appl Pharmacol 2024; 482:116768. [PMID: 38030093 PMCID: PMC10889851 DOI: 10.1016/j.taap.2023.116768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Revised: 11/11/2023] [Accepted: 11/18/2023] [Indexed: 12/01/2023]
Abstract
Arsenic is a relatively abundant metalloid that impacts DNA methylation and has been implicated in various adverse health outcomes including several cancers and diabetes. However, uncertainty remains about the identity of genomic CpGs that are sensitive to arsenic exposure, in utero or otherwise. Here we identified a high confidence set of CpG sites whose methylation is sensitive to in utero arsenic exposure. To do so, we analyzed methylation of infant CpGs as a function of maternal urinary arsenic in cord blood and placenta from geographically and ancestrally distinct human populations. Independent analyses of these distinct populations were followed by combination of results across sexes and populations/tissue types. Following these analyses, we concluded that both sex and tissue type are important drivers of heterogeneity in methylation response at several CpGs. We also identified 17 high confidence CpGs that were hypermethylated across sex, tissue type and population; 11 of these were located within protein coding genes. This pattern is consistent with hypotheses that arsenic increases cancer risk by inducing the hypermethylation of genic regions. This study represents an opportunity to understand consistent, reproducible patterns of epigenomic responses after in utero arsenic exposure and may aid towards novel biomarkers or signatures of arsenic exposure. Identifying arsenic-responsive sites can also contribute to our understanding of the biological mechanisms by which arsenic exposure can affect biological function and increase risk of cancer and other age-related diseases.
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Affiliation(s)
- Tabitha Lumour-Mensah
- Department of Environmental Health, Harvard School of Public Health, Boston, MA, United States of America
| | - Bernardo Lemos
- Department of Environmental Health, Harvard School of Public Health, Boston, MA, United States of America; R. Ken Coit College of Pharmacy, The University of Arizona, Tucson, AZ, United States of America.
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Asmin PK, Nusrath F, Divakar DD. Occurrence and Distribution of Cancers with Emphasis Upon Oral Cancers in Registered Oncology Institutes of South India - A Retrospective Study. Indian J Community Med 2024; 49:120-130. [PMID: 38425965 PMCID: PMC10900442 DOI: 10.4103/ijcm.ijcm_106_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Accepted: 11/06/2023] [Indexed: 03/02/2024] Open
Abstract
Background In the past two decades, the growing economy associated with changes in lifestyle-related behavior is partially responsible for the increasing cancer burden in India. To assess the occurrence and distribution of oral cancer based on the analysis of hospital records from registered oncology institutes of South India over a period of three years. Materials and Methods A multicenter, retrospective study was conducted at seven major hospitals in South India to assess the incidence and distribution of cancer among patients over a period of three years (2016-2018). Data were collected on a custom-made validated proforma. Analysis was done using R commander software. Results A total of 156090 various types of cancers were reported to the included institutes over a three-year period, an almost similar gender distribution was observed, males (n = 78806, 42.99% per lakh) compared to their female counterparts (n = 77284, 42.16% per lakh). Among males' lung cancer was the most common type with 17709 cases (9.65% per lakh) and among females, breast cancer was the leading cancer type with 22855 total cases (12.46% per lakh). Over a period of three years, a total of 21084 records of malignancies pertaining to oral cavity were identified accounting for 13.51% of cases. Among oral cancers, tongue was the most common site to be involved accounting for 44.22% (2016-2018) cases followed by buccal mucosa (14.69%), least common site to be involved was lip which accounted for 3.49% of the total oral cancer cases. Conclusion Breast cancer was the most common cancer followed by lung cancer. Oral cancers occupied second among males and fifth rank in the order of occurrence among females. Tongue was the most common site followed by buccal mucosa. The least common site affected by oral cancer was the lip.
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Affiliation(s)
- P. K. Asmin
- Department of Public Health Dentistry, Coorg Institute of Dental Sciences, Virajpet, Karnataka, India
| | - Fareed Nusrath
- Department of Public Health Dentistry, KVGDCH, Sullia, Karnataka, India
| | - Darshan D. Divakar
- Dental Biomaterials Research Chair, Dental Health Department, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia
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Ahmed G, Jamal F, Tiwari RK, Singh V, Rai SN, Chaturvedi SK, Pandey K, Singh SK, Kumar A, Narayan S, Vamanu E. Arsenic exposure to mouse visceral leishmaniasis model through their drinking water linked to the disease exacerbation via modulation in host protective immunity: a preclinical study. Sci Rep 2023; 13:21461. [PMID: 38052913 PMCID: PMC10698031 DOI: 10.1038/s41598-023-48642-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Accepted: 11/28/2023] [Indexed: 12/07/2023] Open
Abstract
A large body of evidence has shown a direct link between arsenic exposure and drug resistance to Leishmania parasites against antimonial preparations in visceral leishmaniasis (VL) hyper-endemic regions, especially in India and its sub-continent. However, the implicated roles of arsenic on the VL host, pathophysiological changes, and immune function have not yet been clarified, particularly at the reported concentration of arsenic in the VL hyper-endemic area of Bihar, India. Herein, we exposed the mouse VL model to arsenic (0.5 mg/L to 2 mg/L) through their drinking water and analyzed its effect on T cells proliferation, Th1/Th2-mediators, MAPK signaling cascade, and parasite load in preclinical models. Coherently, the parasite count in Giemsa stained spleen imprint has been investigated and found significant positive associations with levels of arsenic exposure. The liver and kidney function tests (AST, ALT, ALP, BUN, Creatinine, Urea, etc.) are apparent to hepatonephric toxicity in arsenic exposed VL mice compared to unexposed. This observation appears to be consistent with the up-regulated expression of immune regulatory Th2 mediators (IL-4, IL-10, TGF-β) and down-regulated expression of Th1 mediators (IL-12, IFN-γ, TNF-α) with a suppressed leishmanicidal function of macrophage (ROS, NO, iNOS). We also established that arsenic exposure modulated the host ERK-1/2 and p38 MAPK signaling cascade, limited T lymphocyte proliferation, and a lower IgG2a/IgG1 ratio to favor the Leishmania parasite survival inside the host. This study suggests that the contorted Th1-subtype and exacerbated Th2-subtype immune responses are involved in the increased susceptibility and pathogenesis of Leishmania parasite among subjects/individuals regularly exposed to arsenic.
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Affiliation(s)
- Ghufran Ahmed
- Department of Microbiology, Rajendra Memorial Research Institute of Medical Sciences, Patna, 800007, India
| | - Fauzia Jamal
- Department of Microbiology, Rajendra Memorial Research Institute of Medical Sciences, Patna, 800007, India
| | - Ritesh K Tiwari
- Department of Biochemistry, Rajendra Memorial Research Institute of Medical Sciences, Patna, 800007, India
| | - Veer Singh
- Department of Biochemistry, Rajendra Memorial Research Institute of Medical Sciences, Patna, 800007, India
| | - Sachchida Nand Rai
- Centre of Experimental Medicine and Surgery, Institute of Medical Sciences, Banaras Hindu University, Varanasi, 221005, India
| | - Sanjay K Chaturvedi
- Department of Microbiology, Rajendra Memorial Research Institute of Medical Sciences, Patna, 800007, India
| | - Krishna Pandey
- Department of Clinical Medicine, Rajendra Memorial Research Institute of Medical Sciences, Patna, 800007, India
| | - Santosh K Singh
- Centre of Experimental Medicine and Surgery, Institute of Medical Sciences, Banaras Hindu University, Varanasi, 221005, India
| | - Ashish Kumar
- Department of Biochemistry, Rajendra Memorial Research Institute of Medical Sciences, Patna, 800007, India
| | - Shyam Narayan
- Department of Microbiology, Rajendra Memorial Research Institute of Medical Sciences, Patna, 800007, India.
| | - Emanuel Vamanu
- Faculty of Biotechnology, University of Agricultural Sciences and Veterinary Medicine of Bucharest, 011464, Bucharest, Romania.
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Fu Y, Jang MS, Liu C, Li Y, Lee JH, Yang HY. Oxygen-Generating Organic/Inorganic Self-Assembled Nanocolloids for Tumor-Activated Dual-Model Imaging-Guided Photodynamic Therapy. ACS Appl Mater Interfaces 2023. [PMID: 37478563 DOI: 10.1021/acsami.3c07008] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/23/2023]
Abstract
Tumor phototheranostics is usually compromised by the hypoxic tumor microenvironment and poor theranostic efficiency. The interplay between organic polymers and inorganic nanoparticles in novel nanocomposites has proven to be advantageous, overcoming previous limitations and harnessing their full potential through activation via the tumor microenvironment. This study successfully fabricated hypoxia-activated nanocolloids called HOISNDs through a process of self-assembly involving superparamagnetic iron oxide nanoparticles (SPIONs) and an organic polymer ligand called tetrakis(4-carboxyphenyl) porphyrin (TCPP)-engineered organic polymer ligand [methoxy poly(ethyleneglycol)-block-poly(dopamine-ethylenediamine-conjugated-4-nitrobenzyl chloroformate)-l-glutamate, mPEG-b-P(Dopa-EDA-co-NBCF)LG-TCPP)]. The SPIONs act as an oxygen generator to overcome the challenges posed by hypoxic tumors and enable the use of hypoxic-activatable MR/fluorescence dual-modal imaging-guided photodynamic therapy (PDT). The colloid stability of these HOISNDs proved to be exceptional in diverse biomimetic environments. Furthermore, they not only augment T2-weighted contrast capability as an MRI contrast agent but also function as an oxygen-producing device to amplify the generation and release of reactive oxygen species (ROS). The HOISNDs can significantly target to tumor sites through the enhanced permeability and retention (EPR) effect with prolonged blood circulation time and subsequently are effectively endocytosed into a hypoxic intracellular environment that "turn on" the imaging function and photodynamic activity. Moreover, HOISNDs possess the ability to effectively decompose naturally occurring H2O2 into oxygen (O2) within the tumor utilizing the Fenton reaction. This method can mitigate the impact of hypoxia on oxygen-dependent PDT. The outcomes of in vivo diagnostic and therapeutic evaluations indicated that HOISNDs are a highly promising tool for dual-model imaging-guided cancer theranosis by ameliorating hypoxic conditions and augmenting PDT efficiency.
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Affiliation(s)
- Yan Fu
- College of Materials Science and Engineering, Jilin Institute of Chemical Technology, Jilin City 132022, Jilin Province, PR China
| | - Moon-Sun Jang
- Department of Radiology, Samsung Medical Center, Sungkyunkwan University, School of Medicine and Center for Molecular and Cellular Imaging, Samsung Biomedical Research Institute, Seoul 06351, The Republic of Korea
| | - Changling Liu
- College of Materials Science and Engineering, Jilin Institute of Chemical Technology, Jilin City 132022, Jilin Province, PR China
| | - Yi Li
- College of Materials and Textile Engineering & Nanotechnology Research Institute (NRI), Jiaxing University, Jiaxing City 314001, Zhejiang Province, PR China
| | - Jung Hee Lee
- Department of Radiology, Samsung Medical Center, Sungkyunkwan University, School of Medicine and Center for Molecular and Cellular Imaging, Samsung Biomedical Research Institute, Seoul 06351, The Republic of Korea
| | - Hong Yu Yang
- College of Materials Science and Engineering, Jilin Institute of Chemical Technology, Jilin City 132022, Jilin Province, PR China
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Das A, Joardar M, Chowdhury NR, Mridha D, De A, Majumder S, Das J, Majumdar KK, Roychowdhury T. Significance of the prime factors regulating arsenic toxicity and associated health risk: a hypothesis-based investigation in a critically exposed population of West Bengal, India. Environ Geochem Health 2023; 45:3423-3446. [PMID: 36335536 DOI: 10.1007/s10653-022-01422-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 10/20/2022] [Indexed: 06/01/2023]
Abstract
The suffering from arsenic toxicity is a long-standing concern in Asian countries. The role of the key factors (arsenic intake, age and sex) regulating arsenic toxicity is aimed to evaluate for a severely exposed population from Murshidabad district, West Bengal. Mean arsenic concentrations in drinking water supplied through tube well, Sajaldhara treatment plant and pipeline were observed as 208, 27 and 54 µg/l, respectively. Urinary arsenic concentration had been observed as < 3-42.1, < 3-56.2 and < 3-80 µg/l in children, teenagers and adults, respectively. Mean concentrations of hair and nail arsenic were found to be 0.84 and 2.38 mg/kg; 3.07 and 6.18 mg/kg; and 4.41 and 9.07 mg/kg, respectively, for the studied age-groups. Water arsenic was found to be associated with hair and nail (r = 0.57 and 0.60), higher than urine (r = 0.37). Arsenic deposition in biomarkers appeared to be dependent on age; however, it is independent of sex. Principal component analysis showed a direct relationship between dietary intake of arsenic and chronic biomarkers. Nail was proved as the most fitted biomarker of arsenic toxicity by Dunn's post hoc test. Monte Carlo sensitivity analysis and cluster analysis showed that the most significant factor regulating health risk is 'concentration of arsenic' than 'exposure duration', 'body weight' and 'intake rate'. The contribution of arsenic concentration towards calculated health risk was highest in teenagers (45.5-61.2%), followed by adults (47.8-49%) and children (21-27.6%). Regular and sufficient access to arsenic-safe drinking water is an immediate need for the affected population.
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Affiliation(s)
- Antara Das
- School of Environmental Studies, Jadavpur University, Kolkata, 700032, India
| | - Madhurima Joardar
- School of Environmental Studies, Jadavpur University, Kolkata, 700032, India
| | | | - Deepanjan Mridha
- School of Environmental Studies, Jadavpur University, Kolkata, 700032, India
| | - Ayan De
- School of Environmental Studies, Jadavpur University, Kolkata, 700032, India
| | - Sharmistha Majumder
- School of Environmental Studies, Jadavpur University, Kolkata, 700032, India
| | - Jagyashila Das
- National Institute of Biomedical Genomics, Kalyani, India
| | - Kunal Kanti Majumdar
- Department of Community Medicine, KPC Medical College and Hospital, Jadavpur, Kolkata, 700032, India
| | - Tarit Roychowdhury
- School of Environmental Studies, Jadavpur University, Kolkata, 700032, India.
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11
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Parida L, Patel TN. Systemic impact of heavy metals and their role in cancer development: a review. Environ Monit Assess 2023; 195:766. [PMID: 37249740 DOI: 10.1007/s10661-023-11399-z] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Accepted: 05/15/2023] [Indexed: 05/31/2023]
Abstract
Heavy metals are well-recognised as environmental hazards due to their toxicity, environmental persistence, and bioaccumulation in living organisms. Human health is a crucial concern related to terrestrial and aquatic ecosystems poisoned by harmful heavy metals. Most heavy metals pollute the air, water, and soil, which can be fatal to humans. Humans and other species can be exposed to heavy metals through the food chain if the metals oxidise or combine with other environmental elements (such as water, soil, or air). Their entry into the food chain assures interactions with biological macromolecules in living systems, including humans, resulting in undesirable outcomes. Human poisonings have typically been caused by mercury, lead, chromium, cadmium, and arsenic. The build-up of these metals in living organisms causes various harmful consequences on different organs and tissues. The gravitas of heavy metal toxicity regarding molecular impact and carcinogenesis needs in-depth understanding despite the plethora of available data. Hence, additionally, we attempt to elaborate on the multi-level impact of five heavy metals and emphasise their role in cancer development. The rationale of this essay is thus to understand the role of five heavy metals, viz., lead (Pb), cadmium (Cd), chromium (Cr), arsenic (As), and mercury (Hg), in carcinogenesis. Heavy metals interfere with various biological functions, including proliferation, differentiation, repair of damage, and apoptosis. By comparing their modes of action, we see that these metals share common mechanisms for inducing toxicity, such as reactive oxygen species (ROS) production, antioxidant defence weakening, enzyme inactivation, and oxidative stress.
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Affiliation(s)
- Lucky Parida
- Department of Integrative Biology, Vellore Institute of Technology, Vellore, India
| | - Trupti N Patel
- Department of Integrative Biology, Vellore Institute of Technology, Vellore, India.
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12
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Kabiraj A, Laha A, Panja AS, Bandopadhyay R. In silico comparative structural and functional analysis of arsenite methyltransferase from bacteria, fungi, fishes, birds, and mammals. J Genet Eng Biotechnol 2023; 21:64. [PMID: 37204693 DOI: 10.1186/s43141-023-00522-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 05/11/2023] [Indexed: 05/20/2023]
Abstract
BACKGROUND Arsenic, a ubiquitous toxic metalloid, is a threat to the survival of all living organisms. Bioaccumulation of arsenic interferes with the normal physiological pathway. To overcome arsenic toxicity, organisms have developed arsenite methyltransferase enzyme, which methylates inorganic arsenite to organic arsenic MMA (III) in the presence of S-adenosylmethionine (SAM). Bacteria-derived arsM might be horizontally transported to different domains of life as arsM or as3mt (animal ortholog). A systematic study on the functional diversity of arsenite methyltransferase from various sources will be used in arsenic bioremediation. RESULTS Several arsenite methyltransferase protein sequences of bacteria, fungi, fishes, birds, and mammals were retrieved from the UniProt database. In silico physicochemical studies confirmed the acidic, hydrophilic, and thermostable nature of these enzymes. Interkingdom relationships were revealed by performing phylogenetic analysis. Homology modeling was performed by SWISS-MODEL, and that was validated through SAVES-v.6.0. QMEAN values ranged from - 0.93 to - 1.30, ERRAT score (83-96), PROCHECK (88-92%), and other parameters suggested models are statistically significant. MOTIF and PrankWeb discovered several functional motifs and active pockets within the proteins respectively. The STRING database showed protein-protein interaction networks. CONCLUSION All of our in silico studies confirmed the fact that arsenite methyltransferase is a cytosolic stable enzyme with conserved sequences over a wide range of organisms. Thus, because of its stable and ubiquitous nature, arsenite methyltransferase could be employed in arsenic bioremediation.
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Affiliation(s)
- Ashutosh Kabiraj
- Department of Botany, UGC-Centre for Advanced Study, The University of Burdwan, Golapbag, Bardhaman, West Bengal, 713104, India
| | - Anubhab Laha
- Department of Botany, UGC-Centre for Advanced Study, The University of Burdwan, Golapbag, Bardhaman, West Bengal, 713104, India
- Department of Botany, Chandernagore College, Hooghly, Chandernagore, West Bengal, 712136, India
| | - Anindya Sundar Panja
- Molecular Informatics Laboratory, Department of Biotechnology, Oriental Institute of Science and Technology, Vidyasagar University, Midnapore, West Bengal, 721102, India
| | - Rajib Bandopadhyay
- Department of Botany, UGC-Centre for Advanced Study, The University of Burdwan, Golapbag, Bardhaman, West Bengal, 713104, India.
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13
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Kapwata T, Wright CY, Reddy T, Street R, Kunene Z, Mathee A. Relations between personal exposure to elevated concentrations of arsenic in water and soil and blood arsenic levels amongst people living in rural areas in Limpopo, South Africa. Environ Sci Pollut Res Int 2023; 30:65204-65216. [PMID: 37079235 PMCID: PMC10116462 DOI: 10.1007/s11356-023-26813-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 03/31/2023] [Indexed: 05/03/2023]
Abstract
Exposure to arsenic even at low levels can lead to adverse health outcomes, however, there is a paucity of research from South Africa in relation to human exposure to arsenic. We investigated long-term exposure of residents in Limpopo province, South Africa, in a cross-sectional study by analysing water, soil and blood arsenic concentrations from two arsenic-exposed (high and medium-low exposure) villages and one non-exposed (control) village. There were statistically significant differences in the distribution of arsenic in water, soil and blood amongst the three sites. The median drinking water arsenic concentration in the high-exposure village was 1.75 µg/L (range = 0.02 to 81.30 µg/L), 0.45 µg/L (range = 0.100 to 6.00 µg/L) in the medium- / low-exposure village and 0.15 µg/L (range = < limit of detection (LOD) to 29.30 µg/L) in the control site. The median soil arsenic concentration in the high-exposure village was 23.91 mg/kg (range = < LOD to 92.10 mg/kg) whilst arsenic concentrations were below the limit of detection in all soil samples collected from the medium-/low-exposure and control villages. In the high-exposure village, the median blood arsenic concentration was 1.6 µg/L (range = 0.7 to 4.2 µg/L); 0.90 µg/L (range = < LOD to 2.5 µg/L) in the medium-/low-exposure village and 0.6 µg/L (range = < LOD to 3.3 µg/L) in the control village. Significant percentages of drinking water, soil and blood samples from the exposed sites were above the internationally recommended guidelines (namely, 10 µg/L, 20 mg/kg and 1 µg/L, respectively). Majority of participants (86%) relied on borehole water for drinking and there was a significant positive correlation between arsenic in blood and borehole water (p-value = 0.031). There was also a statistically significant correlation between arsenic concentrations in participants' blood and soil samples collected from gardens (p-value = 0.051). Univariate quantile regression found that blood arsenic concentrations increased by 0.034 µg/L (95% CI = 0.02-0.05) for each one unit increase in water arsenic concentrations (p < 0.001). After adjusting for age, water source and homegrown vegetable consumption in multivariate quantile regression, participants from the high-exposure site had significantly higher blood concentrations than those in the control site (coefficient: 1.00; 95% CI = 0.25-1.74; p-value = 0.009) demonstrating that blood arsenic is a good biomarker of arsenic exposure. Our findings also provide new evidence for South Africa on the association between drinking water and arsenic exposure, emphasising the need for the provision of potable water for human consumption in areas with high environmental arsenic concentrations.
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Affiliation(s)
- Thandi Kapwata
- Environment and Health Research Unit, South African Medical Research Council, Johannesburg, 2028, South Africa.
- Environmental Health Department, Faculty of Health Sciences, University of Johannesburg, Johannesburg, 2028, South Africa.
| | - Caradee Y Wright
- Environment and Health Research Unit, South African Medical Research Council, Pretoria, 0084, South Africa
- Department of Geography, Geoinformatics and Meteorology, University of Pretoria, Pretoria, 0001, South Africa
| | - Tarylee Reddy
- Biostatistics Research Unit, South African Medical Research Council, Durban, 4001, South Africa
- School of Mathematics, Statistics and Computer Science, University of KwaZulu Natal, Pietermaritzburg, 3201, South Africa
| | - Renee Street
- Environmental Health Department, Faculty of Health Sciences, University of Johannesburg, Johannesburg, 2028, South Africa
- Environment and Health Research Unit, South African Medical Research Council, Durban, 4001, South Africa
| | - Zamantimande Kunene
- Environment and Health Research Unit, South African Medical Research Council, Johannesburg, 2028, South Africa
- Environmental Health Department, Faculty of Health Sciences, University of Johannesburg, Johannesburg, 2028, South Africa
| | - Angela Mathee
- Environment and Health Research Unit, South African Medical Research Council, Johannesburg, 2028, South Africa
- Environmental Health Department, Faculty of Health Sciences, University of Johannesburg, Johannesburg, 2028, South Africa
- School of Public Health, University of the Witwatersrand, Johannesburg, 2028, South Africa
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14
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Kasmi S, Moser L, Gonvers S, Dormond O, Demartines N, Labgaa I. Carcinogenic effect of arsenic in digestive cancers: a systematic review. Environ Health 2023; 22:36. [PMID: 37069631 PMCID: PMC10108502 DOI: 10.1186/s12940-023-00988-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 04/05/2023] [Indexed: 05/04/2023]
Abstract
BACKGROUND The carcinogenic effect of arsenic (As) has been documented in lung, bladder and skin cancers but remains unclear for digestive cancers, although metabolic pathways of As and recent data suggest that it may be an important determinant in these malignancies as well. OBJECTIVE This study aimed to systematically review the available literature investigating the potential association between As and digestive cancers. METHODS An extensive search was conducted in Medline Ovid SP, Cochrane, PubMed, Embase.com, Cochrane Library Wiley, Web of Science and Google Scholar. Studies providing original data in humans, with As measurement and analysis of association with digestive cancers including esogastric cancers (esophagus and stomach), hepato-pancreatico-biliary (HPB) cancers (including biliary tract, liver and pancreas) and colorectal cancers were eligible. RESULTS A total of 35 studies were identified, 17 ecological, 13 case-control and 5 cohort studies. Associations between As and digestive cancers were reported for both risks of incidence and cancer-related mortality. Overall, 43% (3/7) and 48% (10/21) studies highlighted an association between As and the incidence or the mortality of digestive cancers, respectively. CONCLUSIONS A substantial proportion of studies exploring the potential link between As and digestive cancers suggested an association, particularly in HPB malignancies. These findings emphasize the need to further investigate this topic with dedicated and high-quality studies, as it may have an important impact, including for prevention strategies.
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Affiliation(s)
- Sophie Kasmi
- Division of Internal Medicine, Lausanne University Hospital (CHUV), University of Lausanne (UNIL), Lausanne, Switzerland
| | - Laureline Moser
- Division of Gynecology, Lausanne University Hospital (CHUV), University of Lausanne (UNIL), Lausanne, Switzerland
| | - Stéphanie Gonvers
- Division of Visceral Surgery, Lausanne University Hospital (CHUV), University of Lausanne (UNIL), Rue du Bugnon 46, CH-1011, Lausanne, Switzerland
| | - Olivier Dormond
- Division of Visceral Surgery, Lausanne University Hospital (CHUV), University of Lausanne (UNIL), Rue du Bugnon 46, CH-1011, Lausanne, Switzerland
| | - Nicolas Demartines
- Division of Visceral Surgery, Lausanne University Hospital (CHUV), University of Lausanne (UNIL), Rue du Bugnon 46, CH-1011, Lausanne, Switzerland
| | - Ismail Labgaa
- Division of Visceral Surgery, Lausanne University Hospital (CHUV), University of Lausanne (UNIL), Rue du Bugnon 46, CH-1011, Lausanne, Switzerland.
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15
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Fu Y, Bi Z, Ji H, Elangbam M, Zhang Q, Qiu Y, Zhang W, Thakur C, Chen F. Disruption of the tumor suppressor-like activity of aryl hydrocarbon receptor by arsenic in epithelial cells and human lung cancer. Int J Biol Sci 2023; 19:1983-2001. [PMID: 37151890 PMCID: PMC10158013 DOI: 10.7150/ijbs.81423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 01/25/2023] [Indexed: 05/09/2023] Open
Abstract
As the most classic and extensively studied transcription factor in response to environmental toxic chemicals, the human aryl hydrocarbon receptor (AHR) has been implicated in mediating some oncogenic responses also. Limited information is available, however, on whether arsenic, a widely presented environmental carcinogen, can regulate AHR to exert its carcinogenic activity. Through chromatin immunoprecipitation and sequencing (ChIP-seq), CRISPR-Cas9 gene editing, RNA-seq, and immunohistochemistry (IHC), in this report we provided evidence showing that arsenic enforces TGFβ and other oncogenic signaling pathways in bronchial epithelial cells through disrupting the tumor suppressor-like activity of AHR. AHR is normally enriched on a number of oncogenic genes in addition to the known phase I/II enzymes, such as genes in TGFβ and Nrf2 signaling pathways and several known oncogenes. Arsenic treatment substantially reduced the binding of AHR on these genes followed by an increased expression of these genes. CRISPR-Cas9-based knockout of AHR followed by RNA-seq further demonstrated increased expression of the TGFβ signaling and some oncogenic signaling pathway genes in the AHR knockout cells. IHC studies on human tissue samples revealed that normal human lung tissues expressed high level of AHR. In contrast, the AHR expression was diminished in the lung cancer tissues. Accordingly, the data from this study suggest that AHR has tumor suppressor-like activity for human lung cancer, and one of the carcinogenic mechanisms of arsenic is likely mediated by the inhibition of arsenic on the tumor suppressor-like activity of AHR.
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Affiliation(s)
- Yao Fu
- Stony Brook Cancer Center, Department of Pathology, Renaissance School of Medicine, Stony Brook University, Lauterbur Drive, Stony Brook, NY 11794, USA
| | - Zhuoyue Bi
- Stony Brook Cancer Center, Department of Pathology, Renaissance School of Medicine, Stony Brook University, Lauterbur Drive, Stony Brook, NY 11794, USA
| | - Haoyan Ji
- Stony Brook Cancer Center, Department of Pathology, Renaissance School of Medicine, Stony Brook University, Lauterbur Drive, Stony Brook, NY 11794, USA
| | - Millie Elangbam
- Stony Brook Cancer Center, Department of Pathology, Renaissance School of Medicine, Stony Brook University, Lauterbur Drive, Stony Brook, NY 11794, USA
| | - Qian Zhang
- Department of Pharmaceutical Sciences, Eugene Applebaum College of Pharmacy and Health Sciences, Wayne State University, 259 Mack Avenue, Detroit, MI 48201, USA
| | - Yiran Qiu
- Stony Brook Cancer Center, Department of Pathology, Renaissance School of Medicine, Stony Brook University, Lauterbur Drive, Stony Brook, NY 11794, USA
| | - Wenxuan Zhang
- Stony Brook Cancer Center, Department of Pathology, Renaissance School of Medicine, Stony Brook University, Lauterbur Drive, Stony Brook, NY 11794, USA
| | - Chitra Thakur
- Stony Brook Cancer Center, Department of Pathology, Renaissance School of Medicine, Stony Brook University, Lauterbur Drive, Stony Brook, NY 11794, USA
| | - Fei Chen
- Stony Brook Cancer Center, Department of Pathology, Renaissance School of Medicine, Stony Brook University, Lauterbur Drive, Stony Brook, NY 11794, USA
- ✉ Corresponding author:
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16
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Broccia G, Carter J, Ozsin-Ozler C, De Matteis S, Cocco P. Incidence and Bayesian Mapping of Myeloid Hematologic Malignancies in Sardinia, Italy. Cancer Control 2023; 30:10732748231202906. [PMID: 37877513 PMCID: PMC10605662 DOI: 10.1177/10732748231202906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2023] Open
Abstract
BACKGROUND The epidemiology of myeloid hematologic malignancies in Italy has been poorly investigated. METHODS We used a validated database of 1974-2003 incident cases of hematologic malignancies among the resident population (all ages) of Sardinia, Italy, to describe the incidence of myeloid malignancies overall (N = 4389 cases) and by subtype. We investigated the time trend of acute myeloid leukemia (N = 1227 cases), chronic myeloid leukemia (N = 613 cases), and myelodysplastic syndrome (N = 1296 cases), and used Bayesian methods to explore their geographic spread, and Poisson regression analysis to estimate their association with environmental and socio-economic factors. RESULTS The annual standardized (world population) incidence rate (IR) of myeloid malignancies over the study period was 6.5 per 100,000 (95% CI 6.2-6.7). Myelodysplastic syndromes were the most prevalent subgroup (IR = 1.7, 95% CI 1.5-1.8). Incidence of all myeloid malignancies combined increased sharply during the study period with an annual percent change (APC) of 10.06% (95% CI 9.51-10.61), 19.77% for myelodysplastic syndromes (95% CI 19.63-19.91), and 3.18% (95% CI 2.99-3.37) for acute myeloid leukemia. Chronic myeloid leukemia did not show an upward trend. Apart from sporadic excesses in small rural communities and the major urban area, there was no evidence of spatial clustering. The risk of myeloid malignancies increased with increasing prevalence of sheep breeding. CONCLUSIONS Our results might prompt further research on the local genetic and environmental determinants of myeloid hematologic malignancies.
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Affiliation(s)
- Giorgio Broccia
- Department of Haematology and Bone Marrow Transplants, Hospital A. Businco, Cagliari, Italy
| | | | - Cansu Ozsin-Ozler
- Department of Paediatric Dentistry, Faculty of Dentistry, Hacettepe University, Ankara, Turkey
| | - Sara De Matteis
- Department of Medical Sciences and Public Health, University of Cagliari, Monserrato, Italy
| | - Pierluigi Cocco
- Division of Public Health, Health Services Research & Primary Care, Centre for Occupational and Environmental Health, University of Manchester, Manchester, UK
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Lafta MH, Afra A, Patra I, Jalil AT, Mohammadi MJ, Baqir Al-Dhalimy AM, Ziyadullaev S, Kiani F, Ekrami HA, Asban P. Toxic effects due to exposure heavy metals and increased health risk assessment (leukemia). Rev Environ Health 2022; 0:reveh-2022-0227. [PMID: 36574711 DOI: 10.1515/reveh-2022-0227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 12/11/2022] [Indexed: 06/17/2023]
Abstract
Heavy metals (HM) are among the elements that are rare in nature and threaten human health, animals, and the environment. Fix sources including (power plants, industries, homes) and mobile sources include (cars and motorcycles) are the main sources production and emission of HM. It is important to understand the main information about sources of emission, chemical processes (reactions, oxidation, and leaching), and how they precipitate. The aim of this study was to evaluation an increased risk of leukemia due to exposure to HM. In this article narrative, the first literature search was performed with 580 articles according to different databases: Elsevier, PubMed, Web of science, Spring, and Google Scholar databases. 70 articles were included in the analysis process. Finally, 8 full-text articles were selected in this research. The search was restricted to English-language papers published between 2000 and 2021. In final stage literature, there is a notable health effect (carcinogenic) because of exposure to heavy metals. According to the results of this research natural procedures and human activities (industrial processes, car exhaust, and cigarette smoke) are the most important of ways that heavy metals can enter the natural cycle. Air, food, soil, water, and groundwater are the main sources of heavy metals that can cause severe disorders in the human body. After entering the body through ingestion heavy metals produce stable bio-toxic compounds. These compounds by disrupting biological processes, interrupt the body's functions and cause various cancers in the human body. The results of this study can help to politicians for make comprehensive decisions to solve the problem and increase public awareness of the use of protective equipment.
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Affiliation(s)
| | - Arghavan Afra
- Department of Nursing, School of Nursing, Abadan University of Medical Sciences, Abadan, Iran
| | | | - Abduladheem Turki Jalil
- Medical Laboratories Techniques Department, Al-Mustaqbal University College, Babylon, Hilla, Iraq
| | - Mohammad Javad Mohammadi
- Department of Environmental Health Engineering, School of Public Health and Environmental Technologies Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
- Air Pollution and Respiratory Diseases Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | | | - Shukhrat Ziyadullaev
- Department of Internal Diseases, Vice-rector for Scientific Affairs and Innovations, Samarkand State Medical University, Samarkand, Uzbekistan
| | - Fatemeh Kiani
- Student of Research Committee, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Hafez Ajam Ekrami
- Student of Research Committee, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Parisa Asban
- Student of Research Committee, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
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18
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George S, Cassidy RN, Saintilnord WN, Fondufe-Mittendorf Y. Epigenomic reprogramming in iAs-mediated carcinogenesis. Adv Pharmacol 2022; 96:319-365. [PMID: 36858778 DOI: 10.1016/bs.apha.2022.08.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/03/2023]
Abstract
Arsenic is a naturally occurring metal carcinogen found in the Earth's crust. Millions of people worldwide are chronically exposed to arsenic through drinking water and food. Exposure to inorganic arsenic has been implicated in many diseases ranging from acute toxicities to malignant transformations. Despite the well-known deleterious health effects of arsenic exposure, the molecular mechanisms in arsenic-mediated carcinogenesis are not fully understood. Since arsenic is non-mutagenic, the mechanism by which arsenic causes carcinogenesis is via alterations in epigenetic-regulated gene expression. There are two possible ways by which arsenic may modify the epigenome-indirectly through an arsenic-induced generation of reactive oxygen species which then impacts chromatin remodelers, or directly through interaction and modulation of chromatin remodelers. Whether directly or indirectly, arsenic modulates epigenetic gene regulation and our understanding of the direct effect of this modulation on chromatin structure is limited. In this chapter we will discuss the various ways by which inorganic arsenic affects the epigenome with consequences in health and disease.
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Affiliation(s)
- Smitha George
- Department of Epigenetics, Van Andel Institute, Grand Rapids, MI, United States
| | - Richard N Cassidy
- Department of Epigenetics, Van Andel Institute, Grand Rapids, MI, United States
| | - Wesley N Saintilnord
- Department of Epigenetics, Van Andel Institute, Grand Rapids, MI, United States; Department of Molecular and Cellular Biochemistry, University of Kentucky, Lexington, KY, United States
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Bhati R, Sreedharan SM, Rizvi A, Khan MS, Singh R. An Insight into Efflux-Mediated Arsenic Resistance and Biotransformation Potential of Enterobacter Cloacae RSC3 from Arsenic Polluted Area. Indian J Microbiol 2022; 62:456-467. [PMID: 35974925 PMCID: PMC9375818 DOI: 10.1007/s12088-022-01028-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 05/20/2022] [Indexed: 11/05/2022] Open
Abstract
Indiscriminate discharge of heavy metals/metalloids from different sources into the sustainable agro-ecosystem is a major global concern for food security and human health. Arsenic (As), categorized as group one human carcinogen is a quintessential toxic metalloid that alters the microbial compositions and functions, induce physiological and metabolic changes in plants and contaminate surface/ground water. The management of arsenic toxicity, therefore, becomes imminent. Acknowledging the arsenic threat, the study was aimed at identifying arsenic resistant bacteria and evaluating its arsenic removal/detoxification potential. Of the total 118 bacterial isolates recovered from arsenic rich environment, the bacterial strain RSC3 demonstrating highest As tolerance was identified as Enterobacter cloacae by 16S rRNA gene sequence analysis. Enterobacter cloacae tolerated high concentration (6000 ppm) of As and exhibited 0.55 h-1 of specific growth rate as calculated from growth kinetics data. Strain RSC3 also displayed varying level of resistance to other heavy metals and many antibacterial drugs in plate bioassay. The bacterial strain RSC3 possessed gene (arsC) which causes transformation of arsenate to arsenite. The arsenate uptake and efflux of the bacterial cells was revealed by high throughput techniques such as AAS, SEM/TEM and EDX. The simultaneous As reducing ability, and multi metal/multi-antibiotics resistance potentials of E. cloacae provides a promising option in the microbes based remediation of As contaminated environments.
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Affiliation(s)
- Reeta Bhati
- Amity Institute of Microbial Technology, Amity University Uttar Pradesh, Sector-125, Noida, Uttar Pradesh 201313 India
| | - Smitha Mony Sreedharan
- Amity Institute of Microbial Technology, Amity University Uttar Pradesh, Sector-125, Noida, Uttar Pradesh 201313 India
| | - Asfa Rizvi
- Department of Botany, School of Chemical and Life Sciences, Jamia Hamdard, Hamdard Nagar, New Delhi, 110062 India
| | - Mohammad Saghir Khan
- Department of Agricultural Microbiology, Faculty of Agricultural Sciences, Aligarh Muslim University, Aligarh, Uttar Pradesh 202002 India
| | - Rajni Singh
- Amity Institute of Microbial Technology, Amity University Uttar Pradesh, Sector-125, Noida, Uttar Pradesh 201313 India
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Dobrzyńska J, Wysokińska A, Olchowski R. Raspberry stalks-derived biochar, magnetic biochar and urea modified magnetic biochar - Synthesis, characterization and application for As(V) and Cr(VI) removal from river water. J Environ Manage 2022; 316:115260. [PMID: 35569356 DOI: 10.1016/j.jenvman.2022.115260] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 04/22/2022] [Accepted: 05/07/2022] [Indexed: 06/15/2023]
Abstract
Raspberry stalks-derived biochar (BC), magnetic biochar-iron oxide composite (BC-Fe) and its derivative modified with urea (BC-Fe-U) were synthesized, characterized and tested as(V) and Cr(VI) ion sorbents. The surface area of BC, BC-Fe and BC-Fe-U was 259, 163 and 117 m2 g-1, respectively. The structure of BC was dominated by micropores, while in BC-Fe and BC-Fe-U mesopores predominated. Based on the XRD results, it was found that the magnetic properties of the biochar-iron oxide composites are due to the presence of ferrimagnetic magnetite (Fe3O4) and maghemite (Fe2O3). The optimal pH of As(V) and Cr(VI) adsorption onto the studied sorbents is in the range of 2.3-5.7. Pristine biochar (BC) does not adsorb As(V) ions; however, it enables rapid adsorption of Cr(VI) with the static adsorption capacity of 19.2 mg g-1. The maximum static adsorption capacities of As(V) and Cr(VI) ions onto BC-Fe and BC-Fe-U are within the range of 13.5-16.3 mg g-1. For most adsorption systems tested, adsorption equilibrium is reached within 4 h, though even a few minutes is enough to reach half of the adsorption static value. Phosphates over 0.005 mol L-1 hinder adsorption of As(V) and Cr(VI) ions. Application of at least 5 mol L-1 nitric acid allows about 95% of Cr(VI) and As(V) to be desorbed from adsorbate-loaded BC-Fe material. For other materials, the desorption efficiencies are significantly lower. BC-Fe and BC-Fe-U materials were successfully used for simultaneous Cr(VI) and As(V) removal from river water.
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Affiliation(s)
- Joanna Dobrzyńska
- Department of Analytical Chemistry, Faculty of Chemistry, Maria Curie-Sklodowska University, M. C. Sklodowska Sq. 3, 20-031, Lublin, Poland.
| | - Anna Wysokińska
- Department of Analytical Chemistry, Faculty of Chemistry, Maria Curie-Sklodowska University, M. C. Sklodowska Sq. 3, 20-031, Lublin, Poland
| | - Rafał Olchowski
- Department of Analytical Chemistry, Faculty of Chemistry, Maria Curie-Sklodowska University, M. C. Sklodowska Sq. 3, 20-031, Lublin, Poland
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Khosravi-darani K, Rehman Y, Katsoyiannis IA, Kokkinos E, Zouboulis AI. Arsenic Exposure via Contaminated Water and Food Sources. Water 2022; 14:1884. [DOI: 10.3390/w14121884] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Arsenic poisoning constitutes a major threat to humans, causing various health problems. Almost everywhere across the world certain “hotspots” have been detected, putting in danger the local populations, due to the potential consumption of water or food contaminated with elevated concentrations of arsenic. According to the relevant studies, Asia shows the highest percentage of significantly contaminated sites, followed by North America, Europe, Africa, South America and Oceania. The presence of arsenic in ecosystems can originate from several natural or anthropogenic activities. Arsenic can be then gradually accumulated in different food sources, such as vegetables, rice and other crops, but also in seafood, etc., and in water sources (mainly in groundwater, but also to a lesser extent in surface water), potentially used as drinking-water supplies, provoking their contamination and therefore potential health problems to the consumers. This review reports the major areas worldwide that present elevated arsenic concentrations in food and water sources. Furthermore, it also discusses the sources of arsenic contamination at these sites, as well as selected treatment technologies, aiming to remove this pollutant mainly from the contaminated waters and thus the reduction and prevention of population towards arsenic exposure.
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22
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Lin MH, Li CY, Cheng YY, Guo HR. Arsenic in Drinking Water and Incidences of Leukemia and Lymphoma: Implication for Its Dual Effects in Carcinogenicity. Front Public Health 2022; 10:863882. [PMID: 35570949 PMCID: PMC9099091 DOI: 10.3389/fpubh.2022.863882] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Accepted: 04/08/2022] [Indexed: 01/11/2023] Open
Abstract
Arsenic in drinking water has been recognized as carcinogenic to humans and can cause solid cancers of lung, urinary bladder, and skin. Positive associations have also been reported between arsenic ingestion and cancers of kidney, liver and prostate. Nevertheless, arsenic trioxide has been used successfully in the treatment of acute promyelocytic leukemia. Therefore, arsenic might play different roles in the carcinogenesis of solid cancers and hematologic malignancies. The relationship between arsenic in drinking water and the incidences of hematologic malignancies has not been fully investigated. We established a cohort of Taiwanese population and assorted 319 townships of Taiwan into two exposure categories using 0.05 mg/L as the cutoff. Then, we linked these data to the Taiwan Cancer Registry and computed standardized incidence ratios (SIRs) of lymphoma and leukemia by sex, exposure category and time period. The trend of changes in the SIRs over time was assessed, from 1981-1990 to 1991-2000 and then to 2001-2010. We found that in both lymphoma and leukemia, the higher exposure category was associated with lower SIRs in both men and women. In terms of time trends, the SIRs in both lymphoma and leukemia showed increasing trends in both sexes, while exposure to arsenic in drinking water decreased over time. The arsenic level in drinking water was negatively associated with the incidences of lymphoma and leukemia in both men and women. This study supports the dual effects of arsenic on carcinogenesis, with a potential protective effect against hematologic malignancies.
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Affiliation(s)
- Ming-Hsien Lin
- Division of Hematology and Oncology, Department of Internal Medicine, An Nan Hospital, China Medical University, Tainan, Taiwan,Department of Environmental and Occupational Health, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Chung-Yi Li
- Department of Public Health, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Ya-Yun Cheng
- Department of Environmental Health, T.H. Chan School of Public Health, Harvard University, Boston, MA, United States
| | - How-Ran Guo
- Department of Environmental and Occupational Health, College of Medicine, National Cheng Kung University, Tainan, Taiwan,Department of Occupational and Environmental Medicine, National Cheng Kung University Hospital, Tainan, Taiwan,*Correspondence: How-Ran Guo
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Kumar A, Rahman MS, Ali M, Salaun P, Gourain A, Kumar S, Kumar R, Niraj PK, Kumar M, Kumar D, Bishwapriya A, Singh S, Murti K, Dhingra S, Sakamoto M, Ghosh AK. Assessment of disease burden in the arsenic exposed population of Chapar village of Samastipur district, Bihar, India, and related mitigation initiative. Environ Sci Pollut Res Int 2022; 29:27443-27459. [PMID: 34982385 DOI: 10.1007/s11356-021-18207-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Accepted: 12/14/2021] [Indexed: 06/14/2023]
Abstract
Fast growing arsenic menace is causing serious health hazards in Bihar, India, with an estimated 10 million people at risk. The exposed population is often unaware of the problem, which only amplifies the burden of arsenic health effects. In the present study, we have assessed the current situation of arsenic exposure in Chapar village of Samastipur district, Bihar. The health of the inhabitants was assessed and correlated with (1) arsenic concentrations in the groundwater of individual wells and (2) arsenic concentration found in their hair and urine. Altogether, 113 inhabitants were assessed, and 113 hair, urine and groundwater samples were collected. The health study reveals that the exposure to arsenic has caused serious health hazard amongst the exposed population with pronounced skin manifestations, loss of appetite, anaemia, constipation, diarrhoea, general body weakness, raised blood pressure, breathlessness, diabetes, mental disabilities, diabetes, lumps in the body and few cancer incidences. It was found that 52% of the total collected groundwater samples had arsenic levels higher than the WHO limit of 10 µg/l (with a maximum arsenic concentration of 1212 µg/l) and the reduced arsenite was the predominant form in samples tested for speciation (N = 19). In the case of hair samples, 29% of the samples had arsenic concentrations higher than the permissible limit of 0.2 mg/kg, with a maximum arsenic concentration of 46 µg/l, while in 20% exposed population, there was significant arsenic contamination in urine samples > 50 µg/l. In Chapar village, the probability of carcinogenic-related risk in the exposed population consuming arsenic contaminated water is 100% for children, 99.1% for females and 97.3% for male subjects. The assessment report shared to the government enabled the village population to receive two arsenic filter units. These units are currently operational and catering 250 households providing arsenic-free water through piped water scheme. This study therefore identified a significant solution for this arsenic-exposed population.
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Affiliation(s)
- Arun Kumar
- Mahavir Cancer Sansthan and Research Centre, Phulwarisharif, Patna, 801505, Bihar, India.
| | - Md Samiur Rahman
- Mahavir Cancer Sansthan and Research Centre, Phulwarisharif, Patna, 801505, Bihar, India
| | - Mohammad Ali
- Mahavir Cancer Sansthan and Research Centre, Phulwarisharif, Patna, 801505, Bihar, India
| | | | | | | | - Ranjit Kumar
- Central University of Himachal Pradesh, Kangra, HP, India
| | - Pintoo Kumar Niraj
- Mahavir Cancer Sansthan and Research Centre, Phulwarisharif, Patna, 801505, Bihar, India
| | - Mukesh Kumar
- Mahavir Cancer Sansthan and Research Centre, Phulwarisharif, Patna, 801505, Bihar, India
| | - Dhruv Kumar
- Amity Institute of Molecular Medicine & Stem Cell Research (AIMMSCR), Amity University Uttar Pradesh, Noida, India
| | | | | | - Krishna Murti
- National Institute of Pharmaceutical Education and Research (NIPER), Hajipur, Bihar, India
| | - Sameer Dhingra
- National Institute of Pharmaceutical Education and Research (NIPER), Hajipur, Bihar, India
| | | | - Ashok Kumar Ghosh
- Mahavir Cancer Sansthan and Research Centre, Phulwarisharif, Patna, 801505, Bihar, India
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Thakur M, Praveen S, Divte PR, Mitra R, Kumar M, Gupta CK, Kalidindi U, Bansal R, Roy S, Anand A, Singh B. Metal tolerance in plants: Molecular and physicochemical interface determines the "not so heavy effect" of heavy metals. Chemosphere 2022; 287:131957. [PMID: 34450367 DOI: 10.1016/j.chemosphere.2021.131957] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Revised: 08/17/2021] [Accepted: 08/18/2021] [Indexed: 05/27/2023]
Abstract
An increase in technological interventions and ruthless urbanization in the name of development has deteriorated our environment over time and caused the buildup of heavy metals (HMs) in the soil and water resources. These heavy metals are gaining increased access into our food chain through the plant and/or animal-based products, to adversely impact human health. The issue of how to restrict the entry of HMs or modulate their response in event of their ingress into the plant system is worrisome. The current knowledge on the interactive-regulatory role and contribution of different physical, biophysical, biochemical, physiological, and molecular factors that determine the heavy metal availability-uptake-partitioning dynamics in the soil-plant-environment needs to be updated. The present review critically analyses the interactive overlaps between different adaptation and tolerance strategies that may be causally related to their cellular localization, conjugation and homeostasis, a relative affinity for the transporters, rhizosphere modifications, activation of efflux pumps and vacuolar sequestration that singly or collectively determine a plant's response to HM stress. Recently postulated role of gaseous pollutants such as SO2 and other secondary metabolites in heavy metal tolerance, which may be regulated at the whole plant and/or tissue/cell is discussed to delineate and work towards a "not so heavy" response of plants to heavy metals present in the contaminated soils.
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Affiliation(s)
- Meenakshi Thakur
- College of Horticulture and Forestry (Dr. Y.S. Parmar University of Horticulture and Forestry), Neri, Hamirpur, 177 001, Himachal Pradesh, India
| | - Shamima Praveen
- Division of Plant Physiology, ICAR-Indian Agricultural Research Institute, New Delhi, 110 012, India
| | - Pandurang R Divte
- Division of Plant Physiology, ICAR-Indian Agricultural Research Institute, New Delhi, 110 012, India
| | - Raktim Mitra
- Division of Plant Physiology, ICAR-Indian Agricultural Research Institute, New Delhi, 110 012, India
| | - Mahesh Kumar
- ICAR-National Institute of Abiotic Stress Management, Baramati, Maharashtra, 413 115, India
| | - Chandan Kumar Gupta
- Division of Plant Physiology and Biochemistry, ICAR-Indian Institute of Sugarcane Research, Lucknow, 226 002, India
| | - Usha Kalidindi
- Centre for Environment Science and Climate Resilient Agriculture, ICAR-Indian Agricultural Research Institute, New Delhi, 110 012, India
| | - Ruchi Bansal
- Division of Germplasm Evaluation, ICAR-National Bureau of Plant Genetic Resources, New Delhi, 110 012, India
| | - Suman Roy
- ICAR-Central Research Institute for Jute and Allied Fibres, Barrackpore, Kolkata, 700 120, India
| | - Anjali Anand
- Division of Plant Physiology, ICAR-Indian Agricultural Research Institute, New Delhi, 110 012, India.
| | - Bhupinder Singh
- Centre for Environment Science and Climate Resilient Agriculture, ICAR-Indian Agricultural Research Institute, New Delhi, 110 012, India.
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Rahaman MS, Rahman MM, Mise N, Sikder MT, Ichihara G, Uddin MK, Kurasaki M, Ichihara S. Environmental arsenic exposure and its contribution to human diseases, toxicity mechanism and management. Environ Pollut 2021; 289:117940. [PMID: 34426183 DOI: 10.1016/j.envpol.2021.117940] [Citation(s) in RCA: 146] [Impact Index Per Article: 48.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 08/03/2021] [Accepted: 08/06/2021] [Indexed: 05/27/2023]
Abstract
Arsenic is a well-recognized environmental contaminant that occurs naturally through geogenic processes in the aquifer. More than 200 million people around the world are potentially exposed to the elevated level of arsenic mostly from Asia and Latin America. Many adverse health effects including skin diseases (i.e., arsenicosis, hyperkeratosis, pigmentation changes), carcinogenesis, and neurological diseases have been reported due to arsenic exposure. In addition, arsenic has recently been shown to contribute to the onset of non-communicable diseases, such as diabetes mellitus and cardiovascular diseases. The mechanisms involved in arsenic-induced diabetes are pancreatic β-cell dysfunction and death, impaired insulin secretion, insulin resistance and reduced cellular glucose transport. Whereas, the most proposed mechanisms of arsenic-induced hypertension are oxidative stress, disruption of nitric oxide signaling, altered vascular response to neurotransmitters and impaired vascular muscle calcium (Ca2+) signaling, damage of renal, and interference with the renin-angiotensin system (RAS). However, the contributions of arsenic exposure to non-communicable diseases are complex and multifaceted, and little information is available about the molecular mechanisms involved in arsenic-induced non-communicable diseases and also no suitable therapeutic target identified yet. Therefore, in the future, more basic research is necessary to identify the appropriate therapeutic target for the treatment and management of arsenic-induced non-communicable diseases. Several reports demonstrated that a daily balanced diet with proper nutrient supplements (vitamins, micronutrients, natural antioxidants) has shown effective to reduce the damages caused by arsenic exposure. Arsenic detoxication through natural compounds or nutraceuticals is considered a cost-effective treatment/management and researchers should focus on these alternative options. This review paper explores the scenarios of arsenic contamination in groundwater with an emphasis on public health concerns. It also demonstrated arsenic sources, biogeochemistry, toxicity mechanisms with therapeutic targets, arsenic exposure-related human diseases, and onsets of cardiovascular diseases as well as feasible management options for arsenic toxicity.
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Affiliation(s)
- Md Shiblur Rahaman
- Department of Environmental and Preventive Medicine, Jichi Medical University School of Medicine, 3311-1 Yakushiji, Shimotsuke, Tochigi, 329-0498, Japan; Department of Environmental Science and Disaster Management, Noakhali Science and Technology University, Noakhali, 3814, Bangladesh
| | - Md Mostafizur Rahman
- Department of Environmental Sciences, Jahangirnagar University, Dhaka, 1342, Bangladesh
| | - Nathan Mise
- Department of Environmental and Preventive Medicine, Jichi Medical University School of Medicine, 3311-1 Yakushiji, Shimotsuke, Tochigi, 329-0498, Japan
| | - Md Tajuddin Sikder
- Department of Public Health and Informatics, Jahangirnagar University, Dhaka, 1342, Bangladesh
| | - Gaku Ichihara
- Department of Occupational and Environmental Health, Faculty of Pharmaceutical Sciences, Tokyo University of Science, 2641 Yamazaki, Noda, 278-8510, Japan
| | - Md Khabir Uddin
- Department of Environmental Sciences, Jahangirnagar University, Dhaka, 1342, Bangladesh
| | - Masaaki Kurasaki
- Faculty of Environmental Earth Science, Hokkaido University, Sapporo, 060-0810, Japan
| | - Sahoko Ichihara
- Department of Environmental and Preventive Medicine, Jichi Medical University School of Medicine, 3311-1 Yakushiji, Shimotsuke, Tochigi, 329-0498, Japan.
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Murphy T, Phan K, Irvine KN, Lean D. The Role of Micronutrients and Toxic Metals in the Management of Epidemics in Cambodia. Int J Environ Res Public Health 2021; 18:11446. [PMID: 34769963 PMCID: PMC8582812 DOI: 10.3390/ijerph182111446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 10/11/2021] [Accepted: 10/28/2021] [Indexed: 11/16/2022]
Abstract
The illegal trade of wildlife in SE Asia has been identified as the likely cause of the COVID-19 pandemic. We reviewed 198 papers on the current COVID pandemic in Cambodia, diseases such as avian influenza and Nipah virus, most likely to develop into a new pandemic in Cambodia, and common features of disease that require mitigation. Artisanal goldmining uses pure mercury in the areas where wildlife is smuggled to China. Moreover, 30-40% of Cambodians are zinc deficient. High levels of arsenic in irrigation water (>1000 µg/L) are associated with very low levels of zinc in rice (5 µg/g) and rice is the primary staple food for the region. Brown rice from nine of 15 paddy fields in the arsenic zone of Cambodia had double the new guidelines of 100 µg/kg inorganic arsenic for children's food in the EU and USA. The combination of deficiencies of essential micronutrients like zinc and pervasive presence of arsenic and mercury has the potential to compromise the immunity of many Cambodians. Innovative solutions are suggested to improve micronutrient nutrition. Toxins that suppress the immune system must be better managed to reduce the virulence of pathogens. Cambodia was not likely the source of the COVID-19 but does have problems that could result in a new pandemic.
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Affiliation(s)
- Thomas Murphy
- Faculty of Science and Technology, International University, Phnom Penh 12000, Cambodia;
| | - Kongkea Phan
- Faculty of Science and Technology, International University, Phnom Penh 12000, Cambodia;
| | - Kim Neil Irvine
- Faculty of Architecture & Planning, Rangsit Campus, Thammasat University, Khlong Nueng 12121, Thailand;
| | - David Lean
- Lean Environmental, Apsley, ON K0L1A0, Canada;
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Kumar A, Kumar R, Rahman MS, Ali M, Kumar R, Nupur N, Gaurav A, Raj V, Anand G, Niraj PK, Kumar N, Srivastava A, Biswapriya A, Chand GB, Kumar D, Rashmi T, Kumar S, Sakamoto M, Ghosh AK. Assessment of arsenic exposure in the population of Sabalpur village of Saran District of Bihar with mitigation approach. Environ Sci Pollut Res Int 2021; 28:43923-43934. [PMID: 33840036 DOI: 10.1007/s11356-021-13521-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Accepted: 03/15/2021] [Indexed: 06/12/2023]
Abstract
Arsenic poisoning through groundwater is the world's greatest normal groundwater catastrophe which got an immense effect on worldwide general wellbeing. India is confronting the outcomes of arsenic poisoning in the zone of Ganga Brahmaputra alluvial plains. In Bihar, out of 38 districts, 18 districts are exceptionally influenced with groundwater arsenic defilement. In the present study, we have assessed the current situation of arsenic exposure in Sabalpur village of Saran district of Bihar after reporting of breast, renal, skin and thyroid cancer cases from this village along with typical symptoms of arsenicosis. Such cancer patients were identified at our institute and were taken for the study. The present investigation deals with the quantification of arsenic in groundwater, hair and nail samples of subjects as well as the survey of entire village to know the overall health status of the village people. A total of n=128 household handpump water samples as well as n=128 human hair and nail samples were collected from over n=520 households. Using the graphite furnace atomic absorption spectrophotometer (GF-AAS), all the samples were analysed. The investigation resulted that the 61% of the analysed samples particularly the groundwater had the arsenic levels more than the permissible limit of WHO (> 10 μg/L) with 244.20 μg/L as the highest arsenic contamination in one of the handpump water sample. The exposure effect of hair sample was worst as 88% of all the collected samples were having high arsenic levels more than the permissible limit (> 0.2 mg/Kg). In case of nail samples, 92% of the samples were having high arsenic concentration more than the permissible limit (> 0.5 mg/Kg). The health survey study revealed high magnitude of disease burden in the exposed population with symptoms such as asthma, anaemia, hepatomegaly, diabetes, cardiac problem, skin fungal infections, breathlessness and mental disability. Few cancer cases of renal, skin, breast and cervix were also found among the exposed population of this village. The percentage of cancer cases in this village was 0.94% that was low, but it would be an aggravated situation in the near future if people will continue drinking arsenic-contaminated water. Therefore, a mitigation intervention was carried out in March 2020 by installing an arsenic filter plant. The health situation in the village in the present scenario is hope to improve in the coming years. However, motivation and awareness among the village population are still required.
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Affiliation(s)
- Arun Kumar
- Mahavir Cancer Sansthan and Research Centre, Phulwarisharif, Patna, Bihar, 801505, India.
| | - Rishav Kumar
- Mahavir Cancer Sansthan and Research Centre, Phulwarisharif, Patna, Bihar, 801505, India
| | - Md Samiur Rahman
- Department of Biotechnology, Anugrah Narayan College, Patna, Bihar, India
| | - Mohammad Ali
- Mahavir Cancer Sansthan and Research Centre, Phulwarisharif, Patna, Bihar, 801505, India
| | - Ranjit Kumar
- Department of Animal Sciences, Central University of Himachal Pradesh, Pradesh, India
| | - Neha Nupur
- Mahavir Cancer Sansthan and Research Centre, Phulwarisharif, Patna, Bihar, 801505, India
| | - Aman Gaurav
- Mahavir Cancer Sansthan and Research Centre, Phulwarisharif, Patna, Bihar, 801505, India
| | - Vikram Raj
- Mahavir Cancer Sansthan and Research Centre, Phulwarisharif, Patna, Bihar, 801505, India
| | - Gautam Anand
- Mahavir Cancer Sansthan and Research Centre, Phulwarisharif, Patna, Bihar, 801505, India
| | - Pintoo Kumar Niraj
- Mahavir Cancer Sansthan and Research Centre, Phulwarisharif, Patna, Bihar, 801505, India
| | - Nirmal Kumar
- Mahavir Cancer Sansthan and Research Centre, Phulwarisharif, Patna, Bihar, 801505, India
| | - Abhinav Srivastava
- Mahavir Cancer Sansthan and Research Centre, Phulwarisharif, Patna, Bihar, 801505, India
| | | | | | - Dhruv Kumar
- Department of Biotechnology, Amity University, Noida, Uttar Pradesh, India
| | - Tuhin Rashmi
- Department of Biotechnology, Amity University, Noida, Uttar Pradesh, India
| | - Santosh Kumar
- Department of Applied Geoscience and Engineering, Delft University of Technology|, Delft, The Netherlands
| | - Maiko Sakamoto
- Department of International Studies, Graduate School of Frontier Sciences, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba, 2778563, Japan
| | - Ashok Kumar Ghosh
- Mahavir Cancer Sansthan and Research Centre, Phulwarisharif, Patna, Bihar, 801505, India
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