Neuronal expression of a functional receptor for the C5a complement activation fragment

SA O'Barr, J Caguioa, D Gruol, G Perkins… - The Journal of …, 2001 - journals.aai.org
The present studies were undertaken to determine whether neuronal subsets in normal
brains constitutively express functionally competent C5a receptors. In situ hybridization …

Complement C5a receptor-mediated signaling may be involved in neurodegeneration in Alzheimer's disease

I Farkas, M Takahashi, A Fukuda… - The Journal of …, 2003 - journals.aai.org
In our earlier results, we demonstrated that cells expressing the complement C5aR are
vulnerable since abnormal activation of C5aR caused apoptosis of these cells. In this study …

Expression of C5a receptor in mouse brain: role in signal transduction and neurodegeneration

H Osaka, A McGinty, UE Hoepken, B Lu, C Gerard… - Neuroscience, 1999 - Elsevier
In this study we explored the potential role of the complement derived anaphylatoxin C5a
and the expression of its receptor in mouse brain. Using in situ hybridization, we found that …

[HTML][HTML] Characterization of C3a and C5a receptors in rat cerebellar granule neurons during maturation: neuroprotective effect of C5a against apoptotic cell death

M Bénard, BJ Gonzalez, MT Schouft… - Journal of Biological …, 2004 - ASBMB
There is now clear evidence that the Complement anaphylatoxin C3a and C5a receptors
(C3aR and C5aR) are expressed in glial cells, notably in astrocytes and microglia. In …

Complement C3a receptor modulates embryonic neural progenitor cell proliferation and cognitive performance

LG Coulthard, OA Hawksworth, J Conroy, JD Lee… - Molecular …, 2018 - Elsevier
The complement system of innate immunity is emerging as a novel player in
neurodevelopmental processes. The receptor for C3a, C3aR, shares a close evolutionary …

Therapeutic activity of C5a receptor antagonists in a rat model of neurodegeneration

TM Woodruff, JW Crane, LM Proctor… - The FASEB …, 2006 - Wiley Online Library
The complement system is thought to be involved in the pathogenesis of numerous
neurological diseases, although its precise role remains controversial. In this study we used …

Identification and characterization of the complement C5a anaphylatoxin receptor on human astrocytes.

P Gasque, P Chan, M Fontaine, A Ischenko… - … (Baltimore, Md.: 1950 …, 1995 - journals.aai.org
The C fragment C5a exerts its important physiologic and pathologic effects through
interaction with a specific C5a receptor (C5aR) which is highly expressed on …

Complement C5a anaphylatoxin fragment causes apoptosis in TGW neuroblastoma cells

I Farkas, L Baranyi, ZS Liposits, T Yamamoto, H Okada - Neuroscience, 1998 - Elsevier
Human neuroblastoma TGW cells express a C5a anaphylatoxin receptor-like molecule
termed neuronal C5a receptor. A C5a-receptor fragment peptide (termed PR226-multiple …

Expression of the receptor for complement C5a (CD88) is up-regulated on reactive astrocytes, microglia, and endothelial cells in the inflamed human central nervous …

P Gasque, SK Singhrao, JW Neal, O Götze… - The American journal …, 1997 - ncbi.nlm.nih.gov
C5a receptor (C5aR, CD88) is a receptor originally described on neutrophils and monocyte-
macrophages but recently found on hepatocytes, epithelial cells, endothelial cells, and …

Generation of complement component C5a by ischemic neurons promotes neuronal apoptosis

D Pavlovski, J Thundyil, PN Monk… - The FASEB …, 2012 - Wiley Online Library
C5a receptors are found in the central nervous system (CNS), on both neurons and glia.
However, the origin of the C5a, which activates these receptors, is unclear. In the present …