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Hypoxia promotes tau hyperphosphorylation with associated neuropathology in vascular dysfunction.
CONCLUSIONS: Our data support an association between hypertension-induced vascular dysfunction and the sporadic occurrence of phosphorylated tau and cell death in the rat model, correlating with patient brain atrophy, which is relevant to vascular disease. PMID: 30010004 [PubMed - as supplied by publisher]
Source: Neurobiology of Disease - July 12, 2018 Category: Neurology Authors: Raz L, Bhaskar K, Weaver J, Marini S, Zhang Q, Thompson JF, Espinoza C, Iqbal S, Maphis NM, Weston L, Sillerud LO, Caprihan A, Pesko JC, Erhardt EB, Rosenberg GA Tags: Neurobiol Dis Source Type: research

Vascular tight junction disruption and angiogenesis in spontaneously hypertensive rat with neuroinflammatory white matter injury.
Abstract Vascular cognitive impairment is a major cause of dementia caused by chronic hypoxia, producing progressive damage to white matter (WM) secondary to blood-brain barrier (BBB) opening and vascular dysfunction. Tight junction proteins (TJPs), which maintain BBB integrity, are lost in acute ischemia. Although angiogenesis is critical for neurovascular remodeling, less is known about its role in chronic hypoxia. To study the impact of TJP degradation and angiogenesis during pathological progression of WM damage, we used the spontaneously hypertensive/stroke prone rats with unilateral carotid artery occlusion ...
Source: Neurobiology of Disease - February 24, 2018 Category: Neurology Authors: Yang Y, Kimura-Ohba S, Thompson JF, Salayandia VM, Cosse M, Raz L, Jalal FY, Rosenberg GA Tags: Neurobiol Dis Source Type: research