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Several common differentially expressed genes between Kashin-Beck disease and Keshan disease
Date:9/14/2013

KD patients are similar, for example, most patients live in remote rural areas and the areas of awful transportation, have a meager income, and a simply diet. There is little research conducted to compare KBD and KD gene expression profiles. Therefore, the two diseases may have a further relationship at the molecular biology level.

In this study, the Agilent Human 1A Oligo microarray was used to compare gene expression profiles of peripheral blood mononuclear cells (PBMCs) between KBD or KD patients and healthy controls, and identified the common genes differentially expressed in both diseases groups. One hundred and thirty-six differentially expressed genes (53 up-regulated and 83 down-regulated) were identified between KBD and normal controls. Moreover, comparing KD and normal controls, 3310 differentially expressed genes (3154 up-regulated and 156 down-regulated) were identified. Comparing all identified differentially expressed genes, 16 genes showed differential expression in both diseases, including nine with synchronous and seven with asynchronous expression. These 16 genes were subdivided into 11 categories, namely metabolism, cytochrome enzymes, transcription-related, G-protein-related, receptor, cytokine factor, ion channel transport protein, signal transduction, hematopoietic related, interleukin, and immune-related.

The distribution of KBD and KD is in the similar geographical regions, although the clinical presentations and target pathological focus are not same. The common differentially expressed genes identified in both KBD and KD could be helpful to identify the potential mechanisms of the different organ lesions, caused by similar environmental risk factors, selenium deficiency. These findings make a great contribution towards clarifying the etiology and pathogenesis of KBD and KD.

The discovery of these common differentially expressed genes of KBD and KD was a collaborative effort involving many researchers from different institute
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Contact: GUO Xiong
guox@mail.xjtu.edu.cn
Science China Press
Source:Eurekalert

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