hemorrhage/tyrosine

OBJECTIVE Vascular hyporesponsiveness is a major complication following severe trauma and shock. It plays important roles in the development of shock and seriously interferes with the treatment of shock. The mechanism responsible for the occurrence of vascular hyporesponsiveness has not been fully

OBJECTIVE Mitogen-activated protein kinase (MAPK) has been implicated in cerebral vasospasm after subarachnoid hemorrhage (SAH). This study was conducted to investigate whether Src tyrosine kinase, an upstream regulator of MAPK, is involved in cerebral vasospasm. METHODS An established canine

OBJECTIVE Sodium orthovanadate (SOV) is a representative tyrosine phosphatase inhibitor and has been shown to ameliorate neuronal injury in cerebral ischemia. We hypothesized that tyrosine phosphatase inhibition by SOV might attenuate early brain injury after subarachnoid hemorrhage (SAH) in this

Tyrosine is the precursor for catecholamine neurotransmitters. When catecholamine-containing neurons are physiologically active (as sympathoadrenal cells are in hypotension), tyrosine administration increases catecholamine synthesis and release. Since hypotension can alter plasma amino acid

A 57-year-old male developed an adenocarcinoma lung cancer in November 2003. He received the full course chemotherapy but without a significant regression. The targeted therapy gefitinib was prescribed 2 years after diagnosis, producing a very good partial response. However, brain metastasis was

OBJECTIVE To determine whether administration of a tyrosine kinase inhibitor after trauma-hemorrhage has any beneficial effects on cardiovascular parameters and hepatocellular function and on survival rate after subsequent sepsis. BACKGROUND Increased inflammatory cytokine release and concomitant

BACKGROUND We aimed at determining the overall incidence and risk of hemorrhagic events associated with vascular endothelial growth factor receptor-tyrosine-kinase inhibitors (VEGFR-TKIs). METHODS We searched PubMed, EMBASE and Cochrane library databases for relevant prospective, randomized

Hypotensive haemorrhage induces nuclear Fos expression and upregulates tyrosine hydroxylase (TH) mRNA in catecholamine-containing cell groups of the rat medulla oblongata. To shed light on the significance of the coexistence of neuropeptide Y (NPY) in aminergic neurons, the impact of graded levels

OBJECTIVE Protein kinase C (PKC) plays a role in vasospasm after subarachnoid hemorrhage with a "two-hemorrhage" canine model until Day 7. However, clinical vasospasm continues during the course of 2 weeks. This study sought to clarify whether the contractile property of cerebral arteries might

BACKGROUND The molecular mechanisms underlying cerebral vasospasm and delayed cerebral ischemia (DCI) after aneurysmal subarachnoid hemorrhage (aSAH) are incompletely understood. We hypothesized that circulating antiangiogenic factors, such as soluble Fms-like tyrosine kinase 1 (sFlt-1) and soluble

Previous studies have demonstrated the ability of tyrosine (TYR), the amino acid precursor of catecholamines, to increase blood pressure in rats made hypotensive by haemorrhage. Other studies have shown that supplementation of the diet with TYR can reverse certain neurochemical and behavioural

Tyrosine kinase inhibitors (TKIs) are highly effective in the treatment of chronic myelogenous leukemia (CML), but there have been a few adverse event reports describing gastrointestinal bleeding. We clinically analyzed two patients who developed intestinal bleeding during the administration of TKIs

In a subarachnoid hemorrhage (SAH) model of the rat, there is a decreased tyrosine hydroxylase-like immunoreactivity in the adrenergic nerves around cerebral arteries. No altered reactivity is found in the superior cervical ganglion or in the nerve bundles around the internal carotid artery of

Previous studies showed that dopamine and norepinephrine levels in rat brain are reduced following stress and that rats fed supplemental tyrosine do not exhibit these reductions. We hypothesized that dietary supplementation with tyrosine would enhance resistance to acute hemorrhagic shock and sepsis

Cellular apoptosis and the expression of p75 neurotrophin receptor (p75(NTR)) and tyrosine kinase A receptor (TrkA) were investigated in the tissues surrounding haematoma in patients with intracerebral haemorrhage. Specimens of tissue from near the haematoma (haemorrhagic samples) and tissue from a