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001-es BibID:	BIBFORM085462
035-os BibID:	(WOS)000418822500008 (Scopus)85038095208
Első szerző:	Tarantini, Stefano
Cím:	Pharmacologically induced impairment of neurovascular coupling responses alters gait coordination in mice / Tarantini Stefano, Yabluchanksiy Andriy, Fülöp Gábor A., Hertelendy Peter, Valcarcel-Ares M. Noa, Kiss Tamas, Bagwell Jonathan M., O'Connor Daniel. Farkas Eszter, Sorond Farzaneh, Csiszar Anna, Ungvari Zoltan
Dátum:	2017
ISSN:	2509-2715 2509-2723
Megjegyzések:	There is correlative evidence that impaired cerebral blood flow (CBF) regulation, in addition to promoting cognitive impairment, is also associated with alterations in gait and development of falls in elderly people. CBF is adjusted to neuronal activity via neurovascular coupling (NVC) and this mechanism becomes progressively impaired with age. To establish a direct cause-andeffect relationship between impaired NVC and gait abnormalities, we induced neurovascular uncoupling pharmacologically in young C57BL/6 mice by inhibiting the synthesis of vasodilator mediators involved in NVC. Treatment of mice with the epoxygenase inhibitor MSPPOH, the NO synthase inhibitor L-NAME, and the COX inhibitor indomethacin significantly decreased NVC mimicking the aging phenotype. Pharmacologically induced neurovascular uncoupling significantly decreased the dynamic gait parameter duty cycle, altered footfall patterns, and significantly increased phase dispersion, indicating impaired interlimb coordination. Impaired NVC also tended to increase gait variability. Thus, selective experimental disruption of NVC causes subclinical gait abnormalities, supporting the importance of CBF in both cognitive function and gait regulation.
Tárgyszavak:	Orvostudományok Klinikai orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk Neurovascular coupling Gait Catwalk Neurovascular uncoupling
Megjelenés:	GeroScience. - 39 : 5-6 (2017), p. 601-614. -
További szerzők:	Yabluchanskiy, Andriy Fülöp Gábor Áron (1988-) (általános orvos) Hertelendy Péter Valcarcel Ares, Marta Noa Kiss Tamás Bagwell, Jonathan M. O'Connor, Daniel Farkas Eszter Sorond, Farzaneh A. Csiszár Anna Ungvári Zoltán
Pályázati támogatás:	EFOP-3.6.1-16-2016-00008 EFOP
Internet cím:	Szerző által megadott URL DOI Intézményi repozitóriumban (DEA) tárolt változat
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