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Related Concept Videos

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Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
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Aneurysm management involves either conservative medical therapy or surgical intervention, depending on the size and symptoms of the aneurysm. Conservative management is generally reserved for smaller, asymptomatic aneurysms, while larger or symptomatic aneurysms often necessitate surgical repair.Conservative Medical TherapyFor small, asymptomatic aneurysms, particularly abdominal aortic aneurysms (AAA) less than 5.5 centimeters in diameter, conservative medical therapy is recommended. This...
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Updated: Apr 6, 2026

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B lymphocytes in abdominal aortic aneurysms.

Lili Zhang1, Yi Wang1

  • 1Department of Cardiology, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200080, China.

Atherosclerosis
|August 3, 2015
PubMed
Summary

B lymphocytes significantly infiltrate abdominal aortic aneurysm (AAA) walls, promoting disease progression. Further research is needed to clarify B cell functions and develop targeted therapies for AAA.

Keywords:
Aortic aneurysmB lymphocyteCytokineImmunoglobulinPathogenesis

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Area of Science:

  • Vascular biology
  • Immunology
  • Pathogenesis of cardiovascular diseases

Background:

  • Abdominal aortic aneurysm (AAA) is an inflammatory vascular disease.
  • Immune cells, particularly B lymphocytes, play a role in AAA pathogenesis.
  • Elevated B lymphocyte infiltration is observed in AAA tissues compared to normal aorta.

Purpose of the Study:

  • To summarize current knowledge on the role of B cells in AAA.
  • To elucidate the precise mechanisms of B cell involvement in AAA.
  • To provide recommendations for future research on preventing AAA progression.

Main Methods:

  • Review of existing scientific literature on B cells and AAA.
  • Analysis of immune cell infiltration in AAA tissues.
  • Discussion of molecular mechanisms involving B cells in AAA pathogenesis.

Main Results:

  • Activated B lymphocytes contribute to AAA by producing key mediators.
  • These mediators activate other immune cells like macrophages and mast cells.
  • This leads to matrix degradation and aortic wall remodeling, characteristic of AAA.

Conclusions:

  • B lymphocytes are significantly implicated in the pathogenesis of AAA.
  • Understanding the specific functions of B cells is crucial for developing new therapeutic strategies.
  • Further investigation into B cell mechanisms is recommended for AAA prevention.