Inorganic arsenic exposure affects pain behavior and inflammatory response in rat

2008 ◽  
Vol 229 (3) ◽  
pp. 374-385 ◽  
Author(s):  
P AGUIRREBANUELOS ◽  
C ESCUDEROLOURDES ◽  
L SANCHEZPENA ◽  
L DELRAZO ◽  
J PEREZURIZAR
Keyword(s):  
Inflammatory Response ◽  
Arsenic Exposure ◽  
Inorganic Arsenic ◽  
Pain Behavior

scholarly journals Biotic and Abiotic Factors Influencing Arsenic Biogeochemistry and Toxicity in Fluvial Ecosystems: A Review

2020 ◽  
Vol 17 (7) ◽  
pp. 2331
Author(s):  
Laura Barral-Fraga ◽  
María Teresa Barral ◽  
Keeley L. MacNeill ◽  
Diego Martiñá-Prieto ◽  
Soizic Morin ◽  
...  
Keyword(s):  
Abiotic Factors ◽  
Arsenic Exposure ◽  
Inorganic Arsenic ◽  
Future Research ◽  
Strong Impact ◽  
Trophic Relations ◽  
Fluvial Systems ◽  
Pampean Streams ◽  
Micro Organisms ◽  
Different Origins

This review is focused on the biogeochemistry of arsenic in freshwaters and, especially, on the key role that benthic microalgae and prokaryotic communities from biofilms play together in through speciation, distribution, and cycling. These microorganisms incorporate the dominant iAs (inorganic arsenic) form and may transform it to other arsenic forms through metabolic or detoxifying processes. These transformations have a big impact on the environmental behavior of arsenic because different chemical forms exhibit differences in mobility and toxicity. Moreover, exposure to toxicants may alter the physiology and structure of biofilms, leading to changes in ecosystem function and trophic relations. In this review we also explain how microorganisms (i.e., biofilms) can influence the effects of arsenic exposure on other key constituents of aquatic ecosystems such as fish. At the end, we present two real cases of fluvial systems with different origins of arsenic exposure (natural vs. anthropogenic) that have improved our comprehension of arsenic biogeochemistry and toxicity in freshwaters, the Pampean streams (Argentina) and the Anllóns River (Galicia, Spain). We finish with a briefly discussion of what we consider as future research needs on this topic. This work especially contributes to the general understanding of biofilms influencing arsenic biogeochemistry and highlights the strong impact of nutrient availability on arsenic toxicity for freshwater (micro) organisms.

scholarly journals A risk–benefit analysis approach to seafood intake to determine optimal consumption

2011 ◽  
Vol 107 (12) ◽  
pp. 1812-1822 ◽  
Author(s):  
Véronique Sirot ◽  
Jean-Charles Leblanc ◽  
Irène Margaritis
Keyword(s):  
Arsenic Exposure ◽  
Inorganic Arsenic ◽  
Hierarchical Cluster ◽  
Good Health ◽  
Benefit Analysis ◽  
Food Contaminants ◽  
Public Health Perspective ◽  
Contaminant Exposure ◽  
Consumption Level ◽  
Risk Benefit Analysis

Seafood provides n-3 long-chain PUFA (n-3 LC-PUFA), vitamins and minerals, which are essential to maintain good health. Moreover, seafood is a source of contaminants such as methylmercury, arsenic and persistent organic pollutants that may affect health. The aim of the present study was to determine in what quantities seafood consumption would provide nutritional benefits, while minimising the risks linked to food contaminants. Seafood was grouped into clusters using a hierarchical cluster analysis. Those nutrients and contaminants were selected for which it is known that seafood is a major source. The risk–benefit analysis consisted in using an optimisation model with constraints to calculate optimum seafood cluster consumption levels. The goal was to optimise nutrient intakes as well as to limit contaminant exposure with the condition being to attain recommended nutritional intakes without exceeding tolerable upper intakes for contaminants and nutrients, while taking into account background intakes. An optimum consumption level was calculated for adults that minimises inorganic arsenic exposure and increases vitamin D intake in the general population. This consumption level guarantees that the consumer reaches the recommended intake for n-3 LC-PUFA, Se and I, while remaining below the tolerable upper intakes for methylmercury, Cd, dioxins, polychlorobiphenyls, Zn, Ca and Cu. This consumption level, which is approximately 200 g/week of certain fatty fish species and approximately 50 g/week of lean fish, molluscs and crustaceans, has to be considered in order to determine food consumption recommendations in a public health perspective.

scholarly journals Association between Multi-level Inorganic Arsenic Exposure from Drinking Water and Skin Lesions in China

2006 ◽  
Vol 3 (3) ◽  
pp. 262-267 ◽  
Author(s):  
Xiaojuan Guo ◽  
Yoshihisa Fujino ◽  
Xiaolei Ye ◽  
Jun Liu ◽  
Takesumi Yoshimura
Keyword(s):  
Drinking Water ◽  
Arsenic Exposure ◽  
Inorganic Arsenic ◽  
Skin Lesions ◽  
Multi Level

scholarly journals Probabilistic Risk Assessment of Inorganic Arsenic via Consumption of Herbs Collected in Thailand

2018 ◽  
Vol 2018 ◽  
pp. 1-8
Author(s):  
Nuntawat Monboonpitak ◽  
Suthep Ruangwises ◽  
Sawanya Buranaphalin ◽  
Nongluck Ruangwises
Keyword(s):  
Risk Assessment ◽  
Arsenic Exposure ◽  
Inorganic Arsenic ◽  
Absorption Spectrometry ◽  
Dry Weight ◽  
Probabilistic Risk Assessment ◽  
Total Arsenic ◽  
Sweet Basil ◽  
Fresh Vegetables ◽  
Probabilistic Risk

Total and inorganic arsenic contents in ten commonly consumed Thai herbs, namely, bird’s eye chili, cayenne pepper, celery, garlic, holy basil, kitchen mint, lemongrass, pepper, shallot, and sweet basil, were determined using atomic absorption spectrometry coupled with a hydride generation system (HG-AAS). Total arsenic contents in fresh herbs and lyophilized herbs ranged from 3.39 to 119 ng/g wet weight (wet wt) and from 41.0 to 156 ng/g dry weight (dry wt), respectively. Inorganic arsenic contents in fresh herbs and lyophilized herbs ranged from 2.09 to 26.9 ng/g (wet wt) and from 23.5 to 55.5 ng/g (dry wt), respectively. Percentages of inorganic arsenic to total arsenic in herbs ranged from 22.7 to 62.0%. High percentages of inorganic arsenic to total arsenic were found in celery, lemongrass and sweet basil. Total arsenic contents in the studied herbs were lower than the maximum limits of Thai and Chinese regulatory standards, set at 2,000 ng/g in foods (excluding aquatic animals and seafood) and 500 ng/g in fresh vegetables, respectively. Total and inorganic arsenic contents in the studied herbs were comparable to or lower than the levels found in other studies in the EU and China. Lifetime average daily dose (LADD) and cancer risk (CR) of inorganic arsenic exposure to commonly consumed herbs were evaluated using probabilistic risk assessment (PRA) by @RISK software version 6.0 of Palisade cooperation. All calculated LADD and CR values from all herbs did not exceed the acceptable levels. It can be concluded that there were very low cancer risks of inorganic arsenic exposure from the consumption of the studied herbs.

Inorganic arsenic exposure increased expression of Fas and Bax gene in vivo and vitro

Gene ◽  
2018 ◽  
Vol 671 ◽  
pp. 135-141 ◽  
Author(s):  
Yuefeng He ◽  
Ruobing Zhang ◽  
Xiaoxiao Song ◽  
Li Shang ◽  
Xinan Wu ◽  
...  
Keyword(s):  
Arsenic Exposure ◽  
Inorganic Arsenic ◽  
Bax Gene
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