Bence Jones protein

Introduction

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Structural representation of the Bence Jones protein.

Bence Jones protein (pronounced bents jones PROH-teen) is a specific protein associated with certain medical conditions, most notably multiple myeloma. It is an important biomarker used in the diagnosis and monitoring of specific types of blood disorders and cancers.

Discovery and Naming

The protein was first identified by Dr. Henry Bence Jones in 1847 when he discovered its presence in the urine of a patient with a peculiar form of bone disease. The protein was subsequently named in his honor.

Production and Composition

Bence Jones proteins are small proteins produced by plasma cells. Plasma cells are a type of white blood cell responsible for producing antibodies that help the body fight infections.

Association with Multiple Myeloma

The presence of Bence Jones protein in urine is a significant marker for multiple myeloma, a type of cancer that originates in plasma cells. Multiple myeloma leads to an overproduction of these proteins, which are then excreted in the urine.

• Detection: The detection of Bence Jones proteins is done through a urine test. The presence of these proteins in significant quantities can be an early indicator of multiple myeloma or other related conditions.
• Significance: Beyond diagnosis, the levels of Bence Jones proteins can also be used to monitor the progression of the disease and the effectiveness of treatments.

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Microscopic view of multiple myeloma cells.

Other Associated Conditions

While most commonly associated with multiple myeloma, Bence Jones proteins can also be found in patients with other conditions, including:

• Waldenström's macroglobulinemia
• Certain subtypes of lymphoma
• Other plasma cell disorders

Conclusion

Bence Jones proteins play a crucial role in the diagnosis and management of multiple myeloma and related conditions. Their discovery has significantly advanced the field of hematology, providing valuable insights into plasma cell disorders and improving patient outcomes.

Bence Jones protein Resources
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