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 …

Characterization of rat C5a anaphylatoxin receptor (C5aR): cloning of rat C5aR cDNA and study of C5aR expression by rat astrocytes

S Sayah, C Patte, P Gasque, P Chan, A Ischenko… - Molecular brain …, 1997 - Elsevier
Complement system activation within the central nervous system (CNS) is involved in
demyelinating and neurodegenerative disorders, but the role of complement in the …

Expression of a functional anaphylatoxin C3a receptor by astrocytes

A Ischenko, S Sayah, C Patte, S Andreev… - Journal of …, 1998 - Wiley Online Library
Human astrocyte cell lines reportedly contain a specific receptor for the complement
anaphylatoxin C3a based on ligand‐binding studies, functional responses, and RNA …

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 …

Two different transduction pathways are activated by C3a and C5a anaphylatoxins on astrocytes

S Sayah, AC Jauneau, C Patte, MC Tonon… - Molecular brain …, 2003 - Elsevier
C3a and C5a anaphylatoxins are two proinflammatory peptides generated during
complement system activation. C3a and C5a exert several biological activities through …

Experimental diffuse axonal injury induces enhanced neuronal C5a receptor mRNA expression in rats

PF Stahel, T Kossmann, MC Morganti-Kossmann… - Molecular brain …, 1997 - Elsevier
Several studies suggest the involvement of the complement system in the pathophysiology
of traumatic brain injury (TBI). Since the intrathecal generation of anaphylatoxin C5a has …

Expression of cytokines by human astrocytomas following stimulation by C3a and C5a anaphylatoxins: specific increase in interleukin‐6 mRNA expression

S Sayah, AM Ischenko, A Zhakhov… - Journal of …, 1999 - Wiley Online Library
C3a and C5a anaphylatoxins are two proinflammatory peptides generated during
complement activation that act through distinct Gi protein‐coupled receptors named C3aR …

Intracerebral complement C5a receptor (CD88) expression is regulated by TNF and lymphotoxin-α following closed head injury in mice

PF Stahel, K Kariya, E Shohami, SR Barnum… - Journal of …, 2000 - Elsevier
The anaphylatoxin C5a is a potent mediator of inflammation in the CNS. We analyzed the
intracerebral expression of the C5a receptor (C5aR) in a model of closed head injury (CHI) …

The role of complement anaphylatoxin C5a in neurodegeneration: implications in Alzheimer's disease

P Mukherjee, GM Pasinetti - Journal of neuroimmunology, 2000 - Elsevier
There is evidence that the complement system, a major component of inflammatory
responses, may play an important role in neurodegenerative conditions such as Alzheimer's …

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 …