Telomeric 1p36.3 deletion and Ki‐67 expression in B‐Non‐Hodgkin's Lymphoma patients associated with chronic hepatitis C virus infection

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Abstract
Summary: The hepatitis C virus (HCV) core protein is able to accumulate genetic p53 mutations and may be considered co‐oncogenic. This study investigates 1p36.3 telomere deletion in B‐non‐Hodgkin's lymphoma (NHL) patients with chronic HCV infection using fluorescence in situ hybridization (FISH) in relation to survival to assess Ki‐67 antigen expression. A study group and a control group of 100 patients with B‐NHL (50 HCV positive and 50 HCV negative) and 60 control bone marrow biopsies were subjected to FISH for the detection of 1P36.3 deletion and to immunohistochemical staining with Ki‐67 antigens. 1p36.3 deletion by FISH was detected in 40% of the study group, and Ki‐67 was expressed in approximately 74% of patients. A significant difference was found between positive and negative HCV patients in their overall survival, the qualitative expression of Ki‐67 and the quantitative detection of 1p36.3 deletion by FISH. The overall survival was shorter with the presence of an 1p36 deletion by FISH and HCV positive. We concluded that the coexistence of Ki‐67 positivity, HCV positivity and 1p36.3 deletion may contribute to infection‐related cancers at the 1p36.3 locus.
Funding Information
  • South Egypt Cancer Institute - Assiut University
  • Al Azhar University

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