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10.1172/JCI86950 http://scihub22266oqcxt.onion/10.1172/JCI86950 C5127678!5127678 !27841763     free     free     free Warning: file_get_contents(https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&id=27841763 &cmd=llinks): Failed to open stream: HTTP request failed! 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Perivascular macrophages mediate the neurovascular and cognitive dysfunction associated with hypertension |pdf=|usr=}}{{27841763 }} gab.com Text Perivascular macrophages mediate the neurovascular and cognitive dysfunction associated with hypertension JO: J Clin Invest http://www.kidney.de/pget.php?&tw=1&pmid=27841763 #FOAvip Hypertension is a leading risk factor for dementia, but the mechanisms underlying its damaging effects on the brain are poorly understood. Due to a lack of energy reserves, the brain relies on continuous delivery of blood flow to its active regions in accordance with their dynamic metabolic needs. Hypertension disrupts these vital regulatory mechanisms, leading to the neuronal dysfunction and damage underlying cognitive impairment. Elucidating the cellular bases of these impairments is essential for developing new therapies. Perivascular macrophages (PVMs) represent a distinct population of resident brain macrophages that serves key homeostatic roles but also has the potential to generate large amounts of reactive oxygen species (ROS). Here, we report that PVMs are critical in driving the alterations in neurovascular regulation and attendant cognitive impairment in mouse models of hypertension. This effect was mediated by an increase in blood-brain barrier permeability that allowed angiotensin II to enter the perivascular space and activate angiotensin type 1 receptors in PVMs, leading to production of ROS through the superoxide-producing enzyme NOX2. These findings unveil a pathogenic role of PVMs in the neurovascular and cognitive dysfunction associated with hypertension and identify these cells as a putative therapeutic target for diseases associated with cerebrovascular oxidative stress. Twit Text FOAVip Perivascular macrophages mediate the neurovascular and cognitive dysfunction associated with hypertension ????J Clin Invest http://www.kidney.de/pget.php?&tw=1&pmid=27841763 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=27841763 #FOAvip English Wikipedia <ref>{{Cite pmid|27841763 }}</ref> Perivascular macrophages mediate the neurovascular and cognitive dysfunction associated with hypertension #MMPMID27841763 Faraco G ; Sugiyama Y ; Lane D ; Garcia-Bonilla L ; Chang H ; Santisteban MM ; Racchumi G ; Murphy M ; Van Rooijen N ; Anrather J ; Iadecola C J Clin Invest 2016[Dec]; 126 (12 ): 4674-4689 PMID27841763 show ga Hypertension is a leading risk factor for dementia, but the mechanisms underlying its damaging effects on the brain are poorly understood. Due to a lack of energy reserves, the brain relies on continuous delivery of blood flow to its active regions in accordance with their dynamic metabolic needs. Hypertension disrupts these vital regulatory mechanisms, leading to the neuronal dysfunction and damage underlying cognitive impairment. Elucidating the cellular bases of these impairments is essential for developing new therapies. Perivascular macrophages (PVMs) represent a distinct population of resident brain macrophages that serves key homeostatic roles but also has the potential to generate large amounts of reactive oxygen species (ROS). Here, we report that PVMs are critical in driving the alterations in neurovascular regulation and attendant cognitive impairment in mouse models of hypertension. This effect was mediated by an increase in blood-brain barrier permeability that allowed angiotensin II to enter the perivascular space and activate angiotensin type 1 receptors in PVMs, leading to production of ROS through the superoxide-producing enzyme NOX2. These findings unveil a pathogenic role of PVMs in the neurovascular and cognitive dysfunction associated with hypertension and identify these cells as a putative therapeutic target for diseases associated with cerebrovascular oxidative stress. |*Oxidative Stress [MESH] |Angiotensin II/adverse effects/pharmacology [MESH] |Animals [MESH] |Blood-Brain Barrier/*metabolism/pathology [MESH] |Cognitive Dysfunction/etiology/genetics/*metabolism/pathology [MESH] |Disease Models, Animal [MESH] |Hypertension/complications/genetics/*metabolism/pathology [MESH] |Macrophages/*metabolism/pathology [MESH] |Male [MESH] |Membrane Glycoproteins/metabolism [MESH] |Mice [MESH] |NADPH Oxidase 2 [MESH] |NADPH Oxidases/metabolism [MESH] |Reactive Oxygen Species/metabolism [MESH]Perivascular macrophages mediate the neurovascular and cognitive dysfu(epmc).pdf DeepDyve Pubget Overpricing