bcl-2

BCL-2

An oncogene that inhibits apoptosis.

Bcl-2

A 25 kDa inner mitochondrial membrane protein which inhibits apoptosis, thus increasing the survival of cells (good or bad). The t(14;18) translocation results in a hybrid bcl-2/immunoglobulin heavy chain transcript consisting of the 5’ half of the bcl-2 mRNA fused to a truncated immunoglobulin heavy chain mRNA.
Normal expression
It is normally expressed by small B lymphocytes of the mantle and marginal zones and by many T cells.
Abnormal expression
Bcl-2 is over expressed in follicular lymphomas with the translocation t(14;18)(q32;q21), detected in 70 to 95% of follicular lymphomas and 20% of diffuse large B cell lymphomas. Expression is greater in grade I than in grade III follicular lymphomas.

BCL-2

An oncogene that inhibits apoptosis.

bcl-2

Proto-ONCOGENEs. This gene is over-expressed in various tumours, especially non-Hodgkin lymphoma, resulting in resistance to APOPTOSIS (programmed cell death) with encouragement of tumour growth. Antisense nucleotide sequences (oligonucleotides) targeted at BCL-2 messenger RNA reduces the expression of BCL-2 and increases apoptosis in these tumours with clinical improvement.

单词	bcl-2
释义	bcl-2 bcl-2 (biochemistry) A family of proteins that operate in the effector phase of apoptosis and may either promote or inhibit apoptosis. bcl-2 BCL-2 An oncogene that inhibits apoptosis. Bcl-2 A 25 kDa inner mitochondrial membrane protein which inhibits apoptosis, thus increasing the survival of cells (good or bad). The t(14;18) translocation results in a hybrid bcl-2/immunoglobulin heavy chain transcript consisting of the 5’ half of the bcl-2 mRNA fused to a truncated immunoglobulin heavy chain mRNA. Normal expression It is normally expressed by small B lymphocytes of the mantle and marginal zones and by many T cells. Abnormal expression Bcl-2 is over expressed in follicular lymphomas with the translocation t(14;18)(q32;q21), detected in 70 to 95% of follicular lymphomas and 20% of diffuse large B cell lymphomas. Expression is greater in grade I than in grade III follicular lymphomas. BCL-2 An oncogene that inhibits apoptosis. bcl-2 Proto-ONCOGENEs. This gene is over-expressed in various tumours, especially non-Hodgkin lymphoma, resulting in resistance to APOPTOSIS (programmed cell death) with encouragement of tumour growth. Antisense nucleotide sequences (oligonucleotides) targeted at BCL-2 messenger RNA reduces the expression of BCL-2 and increases apoptosis in these tumours with clinical improvement. AcronymsSeeBH1
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