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Bladder resident macrophages: Mucosal sentinels.

Livia Lacerda Mariano1, Molly A Ingersoll1

  • 1Unit of Dendritic Cell Immunobiology, Department of Immunology, Institut Pasteur, Paris 75015, France; Inserm U1223, Paris 75015, France.

Cellular Immunology
|February 10, 2018
PubMed
Summary
This summary is machine-generated.

Macrophages, key immune cells, are vital for fighting diseases but their function in the bladder remains unclear. Understanding bladder macrophages is crucial for developing new therapies for bladder conditions.

Keywords:
BCG immunotherapyBladderBladder cancerSchistosoma haematobiumTissue-resident macrophage, monocytesUrinary tract infectionUropathogenic E. coli

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Area of Science:

  • Immunology
  • Urology

Background:

  • Macrophages are crucial immune cells involved in various diseases.
  • The bladder, a frequently overlooked mucosal tissue, harbors abundant resident macrophages.
  • Understanding bladder macrophage roles is essential due to the prevalence of urinary tract infections and bladder cancer.

Purpose of the Study:

  • To investigate the poorly understood role of macrophages in bladder immunity.
  • To explore the nonredundant functions of resident macrophages and infiltrating monocytes in the bladder.
  • To overcome challenges in obtaining bladder tissue-resident cells for research.

Main Methods:

  • Studies on resident macrophages and infiltrating monocytes in bladder tissue.
  • Analysis of immune cell populations within the bladder.
  • Research focused on overcoming challenges in isolating tissue-resident cells.

Main Results:

  • Resident macrophages and infiltrating monocytes exhibit distinct roles in bladder responses.
  • Macrophages are among the most populous resident immune cells in the bladder.
  • Difficulties in obtaining tissue-resident cells currently limit research.

Conclusions:

  • Further understanding of bladder macrophage biology is needed.
  • Investigating macrophage ontology and function can improve bladder disease therapies.
  • Elucidating macrophage roles in innate/adaptive immunity and homeostasis is key for therapeutic advancements.