Activation of microglia by amyloid β requires P2X7 receptor expression

JM Sanz, P Chiozzi, D Ferrari, M Colaianna… - The Journal of …, 2009 - journals.aai.org
Extracellular ATP is a mediator of intercellular communication and a danger signal. Release
of this and other nucleotides modulates microglia responses via P2Y and P2X receptors …

P2X7 receptor modulation of β-amyloid-and LPS-induced cytokine secretion from human macrophages and microglia

D Rampe, L Wang, GE Ringheim - Journal of neuroimmunology, 2004 - Elsevier
To test whether extracellular ATP can play a role in the neuroimmunopathology of
Alzheimer's disease (AD), we evaluated the capacity of the ATP-binding purinoreceptor …

Upregulated Expression of Purinergic P2X7 Receptor in Alzheimer Disease and Amyloid-β Peptide-Treated Microglia and in Peptide-Injected Rat Hippocampus

JG McLarnon, JK Ryu, DG Walker… - … of Neuropathology & …, 2006 - academic.oup.com
The expression of the purinergic receptor subtype P2X7R, a nonselective cationic channel
activated by high levels of adenosine triphosphate (ATP), has been studied in adult …

P2X7 receptors on microglial cells mediate injury to cortical neurons in vitro

SD Skaper, L Facci, AA Culbert, NA Evans, I Chessell… - Glia, 2006 - Wiley Online Library
The P2X7 receptor has been implicated in the release of cytokines and in the induction of
cell death, and is up‐regulated in a transgenic mouse model of Alzheimer's disease. Using …

Differential regulation of microglial P2X4 and P2X7 ATP receptors following LPS-induced activation

R Raouf, AJ Chabot-Doré, AR Ase, D Blais… - …, 2007 - Elsevier
Activation of microglia has been implicated in many neurological conditions including
Alzheimer's disease and neuropathic pain. Recent studies provide evidence that P2X ATP …

P2X7‐dependent, but differentially regulated release of IL‐6, CCL2, and TNF‐α in cultured mouse microglia

CH Shieh, A Heinrich, T Serchov, D van Calker, K Biber - Glia, 2014 - Wiley Online Library
ATP is an important regulator of microglia and its effects on microglial cytokine release are
currently discussed as important contributors in a variety of brain diseases. We here …

Distinct microglial response against Alzheimer's amyloid and tau pathologies characterized by P2Y12 receptor

J Maeda, T Minamihisamatsu, M Shimojo… - Brain …, 2021 - academic.oup.com
Microglia are the resident phagocytes of the central nervous system, and microglial
activation is considered to play an important role in the pathogenesis of neurodegenerative …

The microglial P2Y6 receptor mediates neuronal loss and memory deficits in neurodegeneration

M Puigdellívol, S Milde, A Vilalta, TOJ Cockram… - Cell Reports, 2021 - cell.com
Microglia are implicated in neurodegeneration, potentially by phagocytosing neurons, but it
is unclear how to block the detrimental effects of microglia while preserving their beneficial …

ADP and AMP induce interleukin-1β release from microglial cells through activation of ATP-primed P2X7 receptor channels

Y Chakfe, R Seguin, JP Antel, C Morissette… - Journal of …, 2002 - Soc Neuroscience
P2X7 is a subtype of ATP-gated channels that is highly expressed in astrocytes, microglia,
and other immune cells. Activation of P2X7 purinoceptors by ATP or 3′-O-(4-benzoyl) …

The P2X7 receptor drives microglial activation and proliferation: a trophic role for P2X7R pore

M Monif, CA Reid, KL Powell, ML Smart… - Journal of …, 2009 - Soc Neuroscience
Microglial activation is an integral part of neuroinflammation associated with many
neurodegenerative conditions. Interestingly, a number of neurodegenerative conditions …