Expression of Bcl-2 and Bcl-2-Ig fusion transcripts in normal and neoplastic cells.

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Expression of Bcl-2 and Bcl-2-Ig fusion transcripts in normal and neoplastic cells.

We examined the expression of the Bcl-2 gene at chromosome segment 18q21, that is translocated into the Ig heavy chain gene locus in t(14;18) bearing lymphomas. Bcl-2, while B cell associated, is expressed in a variety of hematopoietic lineages including T cells. Bcl-2 mRNA levels are high during pre-B cell development, the time at which the t(14;18) translocation occurs, but are down regulated...

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bcl-2, bax, bcl-XL, and bcl-XS expression in normal and neoplastic ovarian tissues.

The bcl-2 family of proteins includes some important regulators of apoptosis. Among these, bcl-2 and bcl-xL prevent cells from entering apoptosis, whereas bax and bcl-xS can induce cell death. Alterations in the control of this process can lead to a decrease in cell death, thus contributing to neoplastic growth. Diminished susceptibility to chemotherapy has also been attributed, in in vitro sys...

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bcl-2 proto-oncogene expression in normal and neoplastic human myeloid cells.

The present study provides immunobiochemical and molecular data on the differentiation-linked expression of the bcl-2 proto-oncogene in normal and neoplastic myeloid cells. Using a recently developed monoclonal antibody (MoAb) to the bcl-2 molecule, staining of normal bone marrow myeloblasts, promyelocytes, and myelocytes, but neither monocytes nor most polymorphonuclear cells, was demonstrated...

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Histopathological Evaluation and Analysis of Immunohistochemical Expression of Bcl-2 Oncoprotein in Colorectal Carcinoma

Abstract Introduction: Colorectal cancer is the third most prevalent malignancy with high mortality rate, necessitating markers that predict survival and guide the treatment. Previous studies have examined the immunohistochemical expression of Bcl-2, an apoptotic marker, in colorectal carcinoma, but results have been contradictory. Objectives: To evaluate the histopathological featu...

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bcl-2 expression in plasma cells from neoplastic gammopathies and reactive plasmacytosis: a comparative study.

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ژورنال

عنوان ژورنال: Journal of Clinical Investigation

سال: 1987

ISSN: 0021-9738

DOI: 10.1172/jci113235