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Thursday, May 7, 2020 | History

2 edition of Chromosome studies on human subjects exposed to arsenic in drinking water found in the catalog.

Chromosome studies on human subjects exposed to arsenic in drinking water

Baldev K. Vig

Chromosome studies on human subjects exposed to arsenic in drinking water

by Baldev K. Vig

  • 97 Want to read
  • 4 Currently reading

Published by U.S. Environmental Protection Agency, Health Effects Research Laboratory in Research Triangle Park, N.C .
Written in English

    Subjects:
  • Arsenic in the body -- Toxicology

  • Edition Notes

    StatementBaldev K. Vig
    ContributionsHealth Effects Research Laboratory (Research Triangle Park, N.C.)
    The Physical Object
    Pagination3, [1] p. ;
    ID Numbers
    Open LibraryOL14890468M

    When we think of water pollution, we usually visualize sewage or industrial effluents pouring out of a discharge pipe, but there are natural toxins that threaten us as well. One of these is arsenic, a common contaminate in drinking water that may be poisoning millions of people around the world. Arsenic has been known since the fourth century B. Arsenic exposure was a serious health problem in the region. More studies are needed to investigate the long-term effects and dose-response relationship of arsenic in the region and similar areas. Wide-ranging monitoring programmes for drinking-water sources should be implemented by public-health esteindesign.xyz by:

    Drinking water from unpolluted sources normally contains only small amounts of arsenic. Drinking water from underground wells can become heavily contaminated in certain areas where the groundwater is in contact with natural arsenic from minerals. This can be a serious problem in countries like Bangladesh, West Bengal in India, and Taiwan. In Bangladesh, large numbers of people are regularly. drinking water supplies on a global scale. Sources of dissolved arsenic in groundwater include natural geochemical contamination through soil leaching, combustion of fossil fuels, and inorganic arsenic, which occurs as As(III) or As(V) in drinking water and poses a great threat to human health. Exposure to.

    Background: Human exposures to inorganic arsenic (iAs) have been linked to an increased risk of diabetes mellitus. Recent laboratory studies showed that methylated trivalent metabolites of iAs may play key roles in the diabetogenic effects of iAs. Our study examined associations between chronic exposure to iAs in drinking water,Cited by: Original Article Ethnic characterization of a population of children exposed to high doses of arsenic via drinking water and a possible correlation with metabolic processes Cecilia Bobillo1, Julio A Navoni2, Valentina Olmos 2, Luciano J Merini3, Edda Villaamil Lepori, Daniel Corach1.


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Chromosome studies on human subjects exposed to arsenic in drinking water by Baldev K. Vig Download PDF EPUB FB2

United States Environmental Protection Agency Health Effects Research Laboratory Research Triangle Park NC Research and Development EPA/S Jan &EPA Project Summary Chromosome Studies on Human Subjects Exposed to Arsenic in Drinking Water Baldev K.

Vig A 2-year study was carried out on human subjects of various ages and backgrounds who have been drinking. Get this from a library. Chromosome studies on human subjects exposed to arsenic in drinking water. [Baldev K Vig; Health Effects Research Laboratory (Research Triangle Park, N.C.)].

Background. Arsenic is a known human carcinogen reported to cause chromosomal deletions and genetic anomalies in cultured cells. The vast human population inhabiting the Ganges delta in West Bengal, India and Bangladesh is exposed to critical levels of arsenic present in the esteindesign.xyz by: 5.

Large number of people from Uttar Pradesh, Bihar and West Bengal of India are suffering due to consumption of arsenic contaminated drinking water. Study was carried out on 30 individuals residing in Ballia District, UP where the maximum concentration of arsenic was observed around ppm in Cited by: 1.

Publisher Summary. Health problems associated with exposure to arsenic (As) continue to command the world's attention.

This chapter focuses on a number of recent investigations and research developments, and attempts to provide a bridge with those ideas covered in the 2nd International Conference on Arsenic Exposure and Health Effects in A large number of studies on human subjects exposed to inorganic arsenic occupationally, experimentally, or environmentally have shown that, in general, U-As met consists of % inorganic arsenic, % MMA, and % DMA (for a review, see Hopenhayn-Rich et al.

; Vahter ). However, some populations seem to have a somewhat. Assessment of arsenic exposure via drinking water is often based on the measured concentrations in the drinking water and estimations of the amount of water consumed.

For estimation of population averages, default values are often used for water consumption (e.g., 2 liters of water per day for an. Dec 31,  · We measured drinking water, urinary, or toenail As levels and obtained cryopreserved lymphocytes of a subset of individuals enrolled in epidemiologic studies in New Hampshire (USA) and Sonora (Mexico).

Additionally, in corroborative laboratory studies, we examined the effects of As on DNA repair in a cultured human cell model. The Arsenic Coalition has successfully raised the level of awareness of the issue of arsenic in drinking water, resulting in greater testing of private wells by the public and enhanced awareness of potential health impact.

Key SRP publications in relation to the EPA decision to lower the arsenic drinking water standard: Kaltreider, R.C. Jan 15,  · The correlation of arsenic levels in drinking water with the biological samples of skin disorders.

Horvath esteindesign.xyziological studies on human subjects exposed to arsenic in drinking water in southeast. Hungary Arch Toxicol, 66 (), pp. Google Scholar. Chatterjee et al., Cited by: RESEARCH ARTICLE Open Access Genetic integrity of the human Y chromosome exposed to groundwater arsenic Safdar Ali, Sher Ali* Abstract Background: Arsenic is a known human carcinogen reported to cause chromosomal deletions and geneticCited by: 5.

Exposure to arsenic in drinking water was significantly reduced among Americans using public water systems following the Environmental Protection Agency regulation on maximum levels of arsenic. Drinking-Water Arsenic Exposure Modulates Gene Expression in Human Lymphocytes from a U.S.

Population arsenic-exposed human subjects. Environ Health Perspect Exposure to arsenic via. Apr 30,  · Large number of people from Uttar Pradesh, Bihar and West Bengal of India are suffering due to consumption of arsenic contaminated drinking water.

Study was carried out on 30 individuals residing in Ballia District, UP where the maximum concentration of arsenic was observed around ppm in drinking esteindesign.xyz by: 1.

In the New Hampshire study, a graduate student chronically exposed mice to 10 ppb arsenic in their drinking water.

She then challenged the mice with Influenza A H1N1 strain. Few studies have been conducted to compare arsenic exposure, metabolism, and methylation in populations exposed to arsenic in drinking water and from coal combustion. Drinking Water Arsenic Rule History On January 22,EPA adopted a new standard for arsenic in drinking water of mg/l or 10 parts per billion (ppb), replacing the old standard of 50 ppb.

Water systems had to meet the new standard by January 23, Environmental carcinogens may influence the telomere length, but there are few human studies on arsenic exposure. Arsenic in drinking water is a major public health problem in several parts of the world, in particular Bangladesh, India, China, Argentina, and the United esteindesign.xyz by: Sep 15,  · As California continues to grapple with drought, almost 56, Californians are exposed to drinking water that exceeds the federal safety standards for arsenic, according to a recent esteindesign.xyz: Ada Carr.

Apr 15,  · The interaction of hOGG1 and XRCC1 DNA repair polymorphisms and exposure enhances telomeric DNA damage. Future studies are warranted to understand better the epidemiologic impact of arsenic on telomere function as well as to identify the subgroups of exposed subjects who need better health esteindesign.xyz by:.

Jun 02,  · Arsenic in drinking water is a public health issue affecting hundreds of millions of people worldwide. This review summarizes 30 years of epidemiological studies on arsenic exposure in drinking water and the risk of bladder or kidney cancer, quantifying these risks using a meta-analytical framework.

Forty studies met the selection esteindesign.xyz by: of arsenic on human populations, primarily from drinking water exposure. From the viewpoint of human health, arsenic can be considered a unique contaminant for at least four main reasons.

First, effects can be measured in exposed populations, and risk estimates (and, consequently, acceptable regulatory standards) can be derived from.Arsenic contamination in drinking water is one of the biggest natural calamities, which has become an imperative threat to human health throughout the world.

Abbreviation of erythrocyte lifespan leading to the development of anemia is a common sequel in arsenic exposed population.