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Expression profiles of genes involved in apoptosis and selenium metabolism in articular cartilage of patients with Kashin-Beck osteoarthritis.
College of Medicine of Xi'an Jiaotong University, Key Laboratory of Environment and Gene Related Diseases of Ministry Education, Key Laboratory of Trace Elements and Endemic Diseases, Ministry of Health, Xi'an, China; Department of Orthopedics Surgery, The First Affiliated Hospital, College of Medicine of Xi'an Jiaotong University, Xi'an, China.
Department of Orthopedics Surgery, The Second Affiliated Hospital, College of Medicine, Xi'an Jiaotong University, Xi'an, China.
aculty of Public Health, College of Medicine of Xi'an Jiaotong University, Key Laboratory of Environment and Gene Related Diseases of Ministry Education, Key Laboratory of Trace Elements and Endemic Diseases, Ministry of Health, Xi'an, China.
aculty of Public Health, College of Medicine of Xi'an Jiaotong University, Key Laboratory of Environment and Gene Related Diseases of Ministry Education, Key Laboratory of Trace Elements and Endemic Diseases, Ministry of Health, Xi'an, China.
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2014 (English)In: Gene, ISSN 0378-1119, E-ISSN 1879-0038, Vol. 535, no 2, 124-130 p., 24316489Article in journal (Refereed) Published
Abstract [en]

Kashin-Beck disease (KBD) is a special type of endemic osteoarthritis. It has been suggested that alterations in selenium metabolism and apoptosis play a role in KBD. However, the underlying molecular mechanism remains largely unclear. We performed a microarray analysis using RNA isolated from cartilages of KBD patients and healthy controls, through Significance Analysis of Microarray (SAM) software. Functional gene networks and crucial molecules associated with differentially expressed genes were investigated via Ingenuity Pathway Analysis (IPA) and hub gene analysis. Quantitative real-time PCR was used to check the validation of chip test. We identified 52 up-regulated apoptosis-related genes and 26 down-regulated selenium-related genes between KBD and controls, and these genes associated with the "MYC-mediated apoptosis signaling pathway". We confirmed the results from array studies with quantitative real-time PCR analysis. Our results suggest that abnormal regulation of selenium metabolism and apoptosis through the MYC mediated signaling pathway contributes to the pathogenesis of KBD, but the relationship between apoptosis gene and selenium gene was not found.

Place, publisher, year, edition, pages
Elsevier, 2014. Vol. 535, no 2, 124-130 p., 24316489
Keyword [en]
Kashin-Beck disease, gene expression, microarray, selenium, apoptosis, MYC
National Category
Cell and Molecular Biology Biochemistry and Molecular Biology Orthopedics
Research subject
Biochemistry; cellforskning; Orthopaedics
Identifiers
URN: urn:nbn:se:umu:diva-111601DOI: 10.1016/j.gene.2013.11.050PubMedID: 24316489OAI: oai:DiVA.org:umu-111601DiVA: diva2:872042
Available from: 2015-11-17 Created: 2015-11-17 Last updated: 2015-11-18

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Qu, Cheng-Juan
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