This article is within the scope of WikiProject Occupational Safety and Health, a collaborative effort to improve the coverage of articles related to occupational safety and health on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.Occupational Safety and HealthWikipedia:WikiProject Occupational Safety and HealthTemplate:WikiProject Occupational Safety and HealthOccupational Safety and Health articles
Latest comment: 12 years ago2 comments2 people in discussion
One glaring omission is why Beryllium is poisonous. What's the mechanism of action; does it replace magnesium in the same way cadmium replaces zinc? Why is beryllium poisonous when boron, lithium, magnesium, and zinc aren't? Stonemason89 (talk) 15:57, 12 January 2011 (UTC)Reply
From my related answer on RD/S: A 2006 review article (PMID16697706) in Clinical Immunology suggested that particular MHC class II alleles (in HLA-DP) have negatively-charged glutamic acid residues capable of complexing beryllium, resulting in the broad activation of CD4+ T cells (reminiscent of the recent report in Science explaining the mechanisms of silver "allergy"). This is plausible though the phenotype is variable and it's likely to involve more factors; for example, a 2010 report PMID20075058 suggests additional contribution of polymorphisms in CCR5, a chemokine receptor that has been shown to be important in T cell migration. The HLA-DP polymorphisms may provide the trigger, and the CCR5 polymorphisms may determine severity. -- Scray (talk) 14:42, 23 November 2012 (UTC)
Lindenschmidt, R.C.; Sendelbach, L.E.; Witschi, H.P.; Price, D.J.; Fleming, J.; Joshi, J.G. (1986). "Ferritin and in vivo beryllium toxicity". Toxicology and Applied Pharmacology. 82 (2): 344–350. doi:10.1016/0041-008X(86)90211-5. ISSN0041-008X.
Cummings, B; Kaser, M R; Wiggins, G; Ord, M G; Stocken, L A (1982). "Beryllium toxicity. The selective inhibition of casein kinase 1". Biochemical Journal. 208 (1): 141–146. doi:10.1042/bj2080141. ISSN0264-6021.
Strupp, C. (2010). "Beryllium Metal I. Experimental Results on Acute Oral Toxicity, Local Skin and Eye Effects, and Genotoxicity". Annals of Occupational Hygiene. 55 (1): 30–42. doi:10.1093/annhyg/meq071. ISSN0003-4878.
Strupp, C. (2010). "Beryllium Metal II. A Review of the Available Toxicity Data". Annals of Occupational Hygiene. 55 (1): 43–56. doi:10.1093/annhyg/meq073. ISSN0003-4878.
Ther must be a "normal" toxicology of oral or injected beryllum salts. What I found is 1980s and it sates that the toxicology is not well understood. PMC1153939. --21:08, 4 April 2016 (UTC)
All the beryllium toxicology is lung and skin contact things, either acute or longterm. Where is the data for the LD50 numbers oral and why is it only problematic if inhaled? There is little to nothing on oral and intravenous toxicology of beryllium salts, but this should also part of the toxicology. Inhaling is high risk, while eating it is low risk, this needs an explaination and there should be one in the literature. The ref I gave says that little is known, but this was back in the 1980s.--Stone (talk) 22:01, 4 April 2016 (UTC)Reply
Ohby "normal" you meant oral i guess. it is my understanding that tox studies tend to focus on route of common exposure which is dermal or inhaled, so i don't reckon there would be much work done on oral... Jytdog (talk) 00:46, 5 April 2016 (UTC)Reply