Search Results - "Armstead, WM"

Young Age as a Risk Factor for Impaired Cerebral Autoregulation after Moderate to Severe Pediatric Traumatic Brain Injury by FREEMAN, Serena S, UDOMPHORN, Yuthana, ARMSTEAD, William M, FISK, Dana M, VAVILALA, Monica S

“…Little is known about age and cerebral autoregulation in children with traumatic brain injury (TBI). The authors compared cerebral autoregulation between young…”
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uPA impairs cerebrovasodilation after hypoxia/ischemia through LRP and ERK MAPK by Armstead, William M, Cines, Douglas B, Bdeir, Khalil, Kulikovskaya, Irina, Stein, Sherman C, Higazi, Abd Al-Roof

“…Abstract We have previously observed that soluble urokinase plasminogn activator receptor (suPAR) prevents impairment of cerebrovasodilation induced by…”
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Nociceptin/orphanin FQ dilates pial arteries by K ATP and K ca channel activation by Armstead, William M

“…Nociceptin/orphanin FQ (NOC/oFQ) is a recently discovered endogenous ligand for the opioid like receptor, ORL-1. In the piglet, cGMP activates the ATP…”
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Vasopressin induced cyclooxygenase dependent superoxide generation contributes to K super(+) channel function impairment after brain injury by Armstead, WM

“…This study determined if vasopressin generates superoxide anion (O super(-) sub(2)) in a cyclooxygenase dependent manner and if such production contributes to…”
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NOC/oFQ activates ERK and JNK but not p38 MAPK to impair prostaglandin cerebrovasodilation after brain injury by Ross, John, Armstead, William M.

“…Fluid percussion brain injury (FPI) elevates the CSF concentration of the opioid nociceptin/orphanin FQ (NOC/oFQ), which contributes to impairment of pial…”
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Role of endothelin-1 in age-dependent cerebrovascular hypotensive responses after brain injury by Armstead, W M

“…This study was designed to compare the effect of fluid percussion brain injury (FPI) on the hypotensive cerebrovascular response in newborn and juvenile pigs…”
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Protein tyrosine kinase and mitogen-activated protein kinase activation contribute to K ATP and K ca channel impairment after brain injury by Armstead, William M

“…Previous studies have observed that pial artery dilation to activators of the ATP sensitive K (K ATP) and calcium sensitive K (K ca) channel was blunted…”
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Endothelins and the role of endothelin antagonists in the management of posttraumatic vasospasm by Armstead, W M

“…Increasing evidence implicates endothelin in the pathophysiological development of cerebral vasospasm. This review summarizes background topics such as the…”
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Plasminogen activators contribute to impairment of hypercapnic and hypotensive cerebrovasodilation after cerebral hypoxia/ischemia in the newborn pig by ARMSTEAD, William M, CINES, Douglas B, HIGAZI, Abd Al-Roof

“…Babies are frequently exposed to hypoxia and ischemia during the perinatal period as a result of stroke or problems with delivery or respiratory management…”
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Vasopressin-induced protein kinase C-dependent superoxide generation contributes to ATP-sensitive potassium channel but not calcium-sensitive potassium channel function impairment after brain injury by ARMSTEAD, William M

“…Pial artery dilation in response to activators of the ATP-sensitive K(+) (K(ATP)) and calcium-sensitive K(+) (K(Ca)) channels is impaired after fluid…”
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G protein activation elicits cerebrovasodilation through interaction with K ATP and K Ca channels by Armstead, William M

“…This study was designed to characterize the vascular activity of two activators of a pertussis toxin-sensitive G protein, mastoparan and mastoparan-7, on pial…”
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PTK, ERK and p38 MAPK contribute to impaired NMDA-induced vasodilation after brain injury by Armstead, William M.

“…N-Methyl- d-aspartate (NMDA)-induced pial artery dilation is reversed to vasoconstriction following fluid percussion brain injury (FPI). This study…”
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Superoxide generation links protein kinase C activation to impaired ATP-sensitive K+ channel function after brain injury by Armstead, W M

“…BACKGROUND AND PURPOSE--Endothelin-1, in concentrations similar to that present in cerebrospinal fluid after fluid percussion brain injury (FPI), increases…”
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Role of ATP-sensitive K+ channels in cGMP-mediated pial artery vasodilation by Armstead, W M

“…The present study was designed to investigate the role of ATP-sensitive K+ channels in guanosine 3',5'-cyclic monophosphate (cGMP)-mediated pial artery…”
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Vasopressin induced cyclooxygenase dependent superoxide generation contributes to K + channel function impairment after brain injury by Armstead, William M

“…This study determined if vasopressin generates superoxide anion (O − 2) in a cyclooxygenase dependent manner and if such production contributes to impairment…”
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Protein tyrosine kinase and mitogen-activated protein kinase activation contribute to KATP and Kca channel impairment after brain injury by ARMSTEAD, William M

“…Previous studies have observed that pial artery dilation to activators of the ATP sensitive K (KATP) and calcium sensitive K (Kca) channel was blunted…”
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Nociceptin/orphanin FQ dilates pial arteries by K sub(ATP) and K sub(ca) channel activation by Armstead, WM

“…Nociceptin/orphanin FQ (NOC/oFQ) is a recently discovered endogenous ligand for the opioid like receptor, ORL-1. In the piglet, cGMP activates the ATP…”
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Protein kinase C activation generates superoxide and contributes to impairment of cerebrovasodilation induced by G protein activation after brain injury by Armstead, William M.

“…Previous studies have observed that activation of protein kinase C (PKC) contributes to generation of superoxide anion (O − 2) after fluid percussion brain…”
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Relationship between NOC/oFQ, dynorphin, and COX-2 activation in impaired NMDA cerebrovasodilation after brain injury by Kulkarni, Miriam, Armstead, William M

“…Previous studies have observed that the recently described endogenous opioid, nociceptin/orphanin FQ (NOC/oFQ), contributes to impairment of…”
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G protein activation elicits cerebrovasodilation through interaction with KATP and KCa channels by ARMSTEAD, William M

“…This study was designed to characterize the vascular activity of two activators of a pertussis toxin-sensitive G protein, mastoparan and mastoparan-7, on pial…”
Get full text