BCL6

BCL6 is a gene that encodes a protein which plays a crucial role in the development and function of B cells, a type of white blood cell. The BCL6 protein is a transcriptional repressor, meaning it can inhibit the expression of other genes. This protein is particularly important in the germinal center reaction, a process that occurs in the lymph nodes and spleen during an immune response.

Function

The BCL6 protein is a transcriptional repressor, which means it can inhibit the expression of other genes. It is particularly important in the germinal center reaction, a process that occurs in the lymph nodes and spleen during an immune response. During this process, B cells rapidly divide and mutate their antibody genes to create a diverse pool of antibodies that can recognize and neutralize a wide range of pathogens.

Clinical significance

Mutations in the BCL6 gene are associated with a number of diseases. For example, BCL6 gene mutations are often found in patients with diffuse large B-cell lymphoma, the most common type of non-Hodgkin lymphoma. These mutations can lead to the overexpression of the BCL6 protein, which can prevent B cells from undergoing apoptosis, or programmed cell death. This can lead to the uncontrolled growth of B cells, which can result in lymphoma.

File:BCL6 protein structure.jpg

Structure of the BCL6 protein

Research

Research into the BCL6 gene and its associated protein is ongoing. Scientists are particularly interested in understanding how mutations in this gene contribute to the development of lymphoma and other diseases. This research could lead to the development of new treatments for these conditions.

See also

• B-cell lymphoma
• Germinal center
• Transcriptional repressor

References

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