acidic peptide/stroke

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Thymosin beta4 improves functional neurological outcome in a rat model of embolic stroke.

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Thymosin beta4 (Tbeta4) is a developmentally expressed 43-amino acid peptide that inhibits organization of the actin-cytoskeleton by sequestration of G-actin monomers. Tbeta4 improves cardiac function after myocardial infarction in adult mice and promotes healing properties in both dermal and

Correlation of adrenomedullin gene expression in peripheral blood leukocytes with severity of ischemic stroke.

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Human adrenomedullin (ADM), a 52-amino acid peptide, belongs to the calcitonin/calcitonin gene-related peptide (CGRP)/amylin peptide family. ADM acts as a multifunctional regulatory peptide and is upregulated in response to hypoxia. Previous microarray studies have found increased ADM gene (ADM)

Stability of an anti-stroke peptide: driving forces and kinetics in chemical degradation.

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NR2B9c (Lys-Leu-Ser-Ser-Ile-Glu-Ser-Asp-Val) is a 9-amino acid peptide that has been illustrated to be a potential anti-stroke drug. For more effective treatment, suitable drug delivery systems should be developed. However, little is known about the stability of NR2B9c which is essential to its

Humanin is a novel neuroprotective agent against stroke.

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OBJECTIVE Humanin (HN) is a 24-amino acid peptide best known for its ability to protect neurons from damage caused by Alzheimer disease-related proteins. This study examines the neuroprotective effects of HNG (a potent form of HN) on focal cerebral ischemia/reperfusion injury in mice. METHODS Mice

Serum levels of irisin predict short-term outcomes in ischemic stroke.

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OBJECTIVE Irisin is a 112-amino acid peptide found in rat and human skeletal muscle after exercise. Previous studies had suggested that higher circulating irisin levels were associated with an increased risk of vascular atherosclerosis and cardiovascular diseases. In this study, we determined irisin

Targeted delivery of proteins into the central nervous system mediated by rabies virus glycoprotein-derived peptide.

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OBJECTIVE Delivery of therapeutic proteins across the blood-brain barrier (BBB) is severely limited by their size and biochemical properties. Here we showed that a 39-amino acid peptide derived from the rabies virus glycoprotein (RDP) was exploited as an efficient protein carrier for brain-targeting

Mystixin-7 mini-peptide protects ionotropic glutamatergic mechanisms against oxygen-glucose deprivation in vitro.

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The aim of the present study was to explore the neuroprotective effects of the mystixin-7 mini-peptide (MTX, a synthetic corticotropin-releasing-factor-like, 7-amino-acid peptide) on an in vitro oxygen glucose deprivation model (OGD, 10min). The study used a technique of on-line monitoring of

Diuretic and natriuretic actions of melanin concentrating hormone in conscious sheep.

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Melanin concentrating hormone (MCH) is a 19 amino-acid peptide expressed in high concentrations within the dorso-lateral hypothalamus of rats, sheep and man. MCH regulates skin colour and ACTH release in teleost fish, however, its physiological relevance in mammals is unclear. The present study

Neuroprotective effects of a new synthetic peptide, CMX-9236, in in vitro and in vivo models of cerebral ischemia.

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NGF (nerve growth factor) and BDNF (brain-derived neurotrophic factor) are protein molecules (MW 26 and 13.6 kDa, respectively) that are neuroprotective in the middle cerebral artery occlusion (MCAO) rat stroke model. Their mechanism of action involves the activation of transcription factor AP-1

Atrial natriuretic peptides in the diagnosis and treatment of congestive heart failure.

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Atrial natriuretic peptides (ANPs) consist of a family of peptides (atrial natriuretic factor [ANF], long acting natriuretic peptide, vessel dilator, kaliuretic peptide, urodilatin, brain natriuretic peptide [BNP], and C type natriuretic peptide [CNP]) which are synthesized within the heart, except

Increased oligodendrogenesis by humanin promotes axonal remyelination and neurological recovery in hypoxic/ischemic brains.

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Oligodendrocytes are the predominant cell type in white matter and are highly vulnerable to ischemic injury. The role of oligodendrocyte dysfunction in ischemic brain injury is unknown. In this study, we used a 24-amino acid peptide S14G-Humanin (HNG) to examine oligodendrogenesis and neurological

Sugar treatment of human lipoprotein particles and their separation by capillary electrophoresis.

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Entrapment of lipoprotein particles in the extracellular matrix of the arterial intima is a characteristic feature of the development of atherosclerosis, the disease behind myocardial infarction and stroke. In this study, sugars were exploited in the separation of lipoproteins by CE.

NAP protects against cytochrome c release: inhibition of the initiation of apoptosis.

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NAPVSIPQ (NAP), an 8 amino acid peptide derived from activity-dependent neuroprotective protein (ADNP), provides neuroprotection through interaction with microtubules. Previous results have demonstrated NAP protection against oxygen-glucose deprivation in hippocampal cells in culture. Furthermore,

rLj-RGD3, a Novel Recombinant Toxin Protein from Lampetra japonica, Protects against Cerebral Reperfusion Injury Following Middle Cerebral Artery Occlusion Involving the Integrin-PI3K/Akt Pathway in Rats.

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BACKGROUND The RGD-toxin protein Lj-RGD3 is a naturally occurring 118 amino acid peptide that can be obtained from the salivary gland of the Lampetra japonica fish. This unique peptide contains 3 RGD (Arg-Gly-Asp) motifs in its primary structure. Lj-RGD3 is available in recombinant form (rLj-RGD3)

Immunohistochemical study of cerebral amyloid angiopathy. II. Enhancement of immunostaining using formic acid pretreatment of tissue sections.

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Cerebral amyloid angiopathy (CAA) is a biochemically heterogeneous entity most commonly associated with stroke syndromes, Alzheimer's disease (AD), Down's syndrome, and miscellaneous neurologic conditions. The authors have applied and extended (using formic acid pretreatment of histologic sections)

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