CD Markers
CD93


Topic Completed: 1 September 2013

Minor changes: 9 October 2020

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PubMed Search: CD93[title]

Nat Pernick, M.D.
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Cite this page: Pernick N. CD93. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/cdmarkerscd93.html. Accessed January 16th, 2021.
Definition / general
  • Also called complement component C1q receptor, C1qR
  • No longer believed to be part of receptor complex for C1q (J Immunol 2002;168:5222)
  • Enhances phagocytosis in monocytes and macrophages upon interaction with soluble defense collagens
  • Also enhances phagocytosis via mannan-binding lectin, an important part of the innate immune defense (J Biol Chem 2001;276:43087)
  • Receptor for pulmonary surfactant protein A
  • Has role in intercellular adhesion
  • Soluble form present in plasma (J Immunol 2005;175:1239)
Uses by pathologists
  • No significant clinical use by pathologists
Microscopic (histologic) images

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Various images

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Liver (figure 6B)

Positive staining - normal
Negative staining
  • Lymphocytes
Additional references
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