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Methylation-mediate...
Methylation-mediated gene silencing of suppressor of cytokine signaling-1 (SOCS-1) gene in esophageal squamous cell carcinoma patients of Kashmir valley
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- Hussain, Showket (författare)
- Division of Molecular Genetics & Biochemistry, Institute of Cytology & Preventive Oncology (ICMR), Noida, India
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- Singh, Neha (författare)
- Department of Biotechnology, Panjab University, Chandigarh, India
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- Salam, Irfana (författare)
- Department of Clinical Biochemistry, Sher-I-Kashmir Institute of Medical Sciences, Soura, Srinagar, Jammu and Kashmir, India
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- Bandil, Kapil (författare)
- Division of Molecular Genetics & Biochemistry, Institute of Cytology & Preventive Oncology (ICMR), Noida, India
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- Yuvaraj, M (författare)
- Division of Molecular Genetics & Biochemistry, Institute of Cytology & Preventive Oncology (ICMR), Noida, India
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- Akbar Bhat, Mohammad (författare)
- Department of Cardiovascular Thoracic Surgery, Sher-I-Kashmir Institute of Medical Sciences, Soura, Srinagar, Jammu and Kashmir, India
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- Muzaffar Mir, Mohammad (författare)
- Department of Biotechnology, Panjab University, Chandigarh, India
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- Siddiqi, Mushtaq A. (författare)
- Department of Cardiovascular Thoracic Surgery, Sher-I-Kashmir Institute of Medical Sciences, Soura, Srinagar, Jammu and Kashmir, India
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- Sobti, Ranbir C. (författare)
- Department of Biotechnology, Panjab University, Chandigarh, India
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- Bharadwaj, Mausumi (författare)
- Division of Molecular Genetics & Biochemistry, Institute of Cytology & Preventive Oncology (ICMR), Noida, India
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- Das, Bhudev C. (författare)
- Dr. B.R. Ambedkar Centre for Biomedical Research (ACBR) University of Delhi (North Campus), Delhi, India
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(creator_code:org_t)
- 2011-03-09
- 2011
- Engelska.
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Ingår i: Journal of Receptor and Signal Transduction Research. - : Informa Healthcare. - 1079-9893 .- 1532-4281. ; 31:2, s. 147-56
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.3...
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Abstract
Ämnesord
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- CONTEXT: Esophageal squamous cell carcinoma (ESCC) is a leading cause of cancer-related deaths in Jammu and Kashmir. The negative regulation of tumor suppressor gene leading to change in signaling pathway is one of the major mechanisms responsible for tumorigenic transformation.OBJECTIVE: In the present study, the role of silencing of suppressor of cytokine signaling-1 (SOCS-1) gene, a negative regulator of JAK/STAT pathway, was analyzed in ESCC.METHODS: The expression pattern of SOCS-1 gene was analyzed in esophageal tumor biopsies although normal adjacent tissues that served as controls. Reverse transcriptase polymerase chain reaction (RT-PCR), immunohistochemistry, methylation-specific PCR (MSP), and human papillomavirus (HPV) detection were performed to assess the expression pattern and promoter methylation of SOCS-1 gene including HPV status in a total of 75 surgically resected tissue specimens.RESULTS: Compared with the level of SOCS-1 expression in normal tissues, 53% (40/75) of the tumor tissues expressed either undetectable or reduced SOCS-1 expression (>50% loss of expression), which was significantly associated with advanced clinical stage or severe histopathological grade of the disease (P < 0.01). Aberrant promoter methylation of the SOCS-1 gene was found in 45% (34/75) of the esophageal tumor tissues, which was also found to be significantly associated with advanced stage of esophageal carcinoma (P < 0.01). The prevalence of HPV infection was found in 19% of tumor cases, whereas no HPV could be detected in any of the normal adjacent tissues.CONCLUSION: Transcriptional inactivation of SOCS-1 gene, primarily due to its promoter hypermethylation although HPV infection, may play an important role in esophageal carcinogenesis in Kashmir.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Cancer och onkologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cancer and Oncology (hsv//eng)
Nyckelord
- SOCS-1
- promoter methylation
- ESCC
- Naturvetenskap
- Natural sciences
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- ref (ämneskategori)
- art (ämneskategori)
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Hussain, Showket
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Singh, Neha
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Salam, Irfana
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Bandil, Kapil
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Yuvaraj, M
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Akbar Bhat, Moha ...
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visa fler...
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Muzaffar Mir, Mo ...
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Siddiqi, Mushtaq ...
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Sobti, Ranbir C.
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Bharadwaj, Mausu ...
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Das, Bhudev C.
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