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Hyaluronidase inhibition accelerates functional recovery from stroke in the mouse brain
Hyaluronic acid (HA) is the main component of the brain extracellular matrix (ECM). During stroke, a massive breakdown of HA occurs (including perineuronal net ‐associated HA), however, the mechanism of this phenomenon remains unclear. We hypothesized that stroke up‐regulates the expression of HA metabolism‐associated enzymes and increases HA synthesis/degradation. We observed increased expression of HA‐degrading hyaluronidases and hexosaminidases, as well as HA synthases. Immunofluorescence studies revealed predominating astrocytic origin of the enzymes. Moreover, we found that inhibiting hyaluronidases with Vcpal...
Source: Journal of Neurochemistry - January 5, 2021 Category: Neuroscience Authors: Anna Katarzyna Greda, Dorota Nowicka Tags: ORIGINAL ARTICLE Source Type: research