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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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        Abstract - Issue Jan 2008, 29 (1)                                                                                                             Back

Forest diversity, climate change and forest fires in the Mediterranean region of Turkey

Molecular markers of heavy metal toxicity   A new paradigm for health risk assessment

Seokjoo Yoon*1, Sang Seop Han1 and S.V.S. Rana*2

1Korea Institute of Toxicology, 100 Jangdong, Yuseong, Daejeon-305 343, Republic of Korea

2Toxicology Laboratory, Department of Zoology, Ch. Charan Singh University, Meerut-250 004, India

(Received: November 15, 2006 ; Revised received: February 20, 2007; Accepted: April 04, 2007)

Abstract: Last decade has witnessed increased interest in studies dealing with molecular markers of health and disease expression of genes. Specific toxicant “signatures” have been detected using genome base technologies such as microarrays. Further, toxins have been classified on the basis of these signatures. Knowledge on these signatures has helped in the identification of novel drug candidates. This review discusses the gene expression studies recently made on arsenic, cadmium, mercury, chromium, lead, copper, nickel, manganese, and other essential elements. Toxicogenomics standards and their organizations have also been briefly described. Although this information can not be considered as complete, recent reports from different laboratories on bacteria, fish, laboratory animals and humans have been summarized. It is expected that toxicogenomics data presented in this review will be helpful in planning and excretion of human health risk assessment programs.

Key words: Heavy metals, Molecular markers, Toxicogenomics, Health risk assessment


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