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Plasma adrenomedullin concentration has been found to be enhanced in ischemic stroke. Up to now, little is known about the association of plasma adrenomedullin concentration with clinical outcomes of ischemic stroke. This study recruited 138 patients with ischemic stroke and 138 healthy volunteers. Unfavorable outcome was defined as modified Rankin Scale score >2 at 3 months. Plasma adrenomedullin...
β-Casomorphin-7 (β-CM-7) is regarded as the most representative milk-derived bioactive peptide. The present work studies the efficacy of β-CM-7 against myocardial injury in streptozotocin-induced diabetic rats, focusing on the following assays: (1) the level of blood glucose and advanced glycosylation end product (AGE), the activity of lactate dehydrogenase (LDH) in serum; (2) the level of hydrogen...
Dental caries is a common oral bacterial infectious disease of global concern. Prevention and treatment of caries requires control of the dental plaque formed by pathogens such as Streptococcus mutans and Streptococcus sobrinus. Pleurocidin, produced by Pleuronectes americanus, is an antimicrobial peptide that exerts broad-spectrum activity against pathogenic bacteria and fungi. Moreover, pleurocidin...
Sepsis is a serious complication for patients with obstructive jaundice. Although administration of adrenomedullin (AM) in combination with its binding protein (AMBP-1) is protective after injury, it remains unknown whether AM/AMBP-1 ameliorates sepsis-induced organ injury and mortality in the setting of biliary obstruction. The aim of this study is, therefore, to test the efficacy of human AM/AMBP-1...
Mesangial cells (MsCs) are one of the resident cell types in the glomerulus and are important with respect to its function and structure. The activation and proliferation of MsCs occur in several types of glomerulonephritis, particularly proliferative glomerulonephritis, producing a series of protein factors and matrix components that impair the normal structure and function of the glomerulus. To...
We recently discovered that vascular responsiveness to adrenomedullin (AM), a vasoactive hormone, decreases after hemorrhage, which is markedly improved by the addition of its binding protein AMBP-1. One obstacle hampering the development of AM/AMBP-1 as resuscitation agents in trauma victims is the potential immunogenicity of rat proteins in humans. Although less potent than rat AM, human AM has...
The ultrastructural properties of orexin 1-receptor-like immunoreactive (OX1R-LI) neurons in the dorsal horn of the rat spinal cord were examined using light and electron microscopy techniques. At the light microscopy level, the most heavily immunostained OX1R-LI neurons were found in the ventral horn of the spinal cord, while some immunostained profiles, including nerve fibers and small neurons,...
Morphological relationships between neuropeptide Y- (NPY) like and ghrelin-like immunoreactive neurons in the arcuate nucleus (ARC) were examined using light and electron microscopy techniques. At the light microscope level, both neuron types were found distributed in the ARC and could be observed making contact with each other. Using a preembedding double immunostaining technique, some NPY-immunoreactive...
The ultrastructure and the synaptic relationships of the orexin-A-like immunoreactive fibers in the dorsal raphe nucleus were examined with an immunoelectron microscopic method. At the electron microscopic level, most of the immunoreactive fibers, a varicosity appearance at the light microscopic level, were found as axon terminals. The large dense-cored vesicles contained in the immunoreactive axon...
The typical cardiovascular response to polymicrobial sepsis is characterized by an early, hyperdynamic phase followed by a late, hypodynamic phase. Although the factors and/or mediators responsible for producing the transition from the hyperdynamic to the hypodynamic stage are not fully understood, recent studies have suggested that adrenomedullin (AM), a potent vasodilatory peptide, appears to play...
A simple preembedding avidin-biotin-peroxidase complex technique was used to study the ultrastructural localization of μ-opioid receptor in the rat area postrema. By using low concentrations of the first antiserum for incubation with a short reaction time to 3,3'-diaminobenzidine, the immunostaining was faint at the light microscopic level. However, at the electron microscopic level, strong immunoreaction...
The ultrastructural localization of delta-1-opioid-receptor in the rat area postrema was quantitatively studied by pre-embedding avidin-biotin-peroxidase-complex technique. Most of the immunoreactive profiles (67.4%) observed in the present study were axon terminals, whereas the immunopositive dendrites were less (28.3%). Within the axon terminals, the immunoreactivity was found stronger in the...
GUAN, J.-L., Q.-P. WANG AND Y. NAKAI. Synaptic innervation of enkephalinergic neurons by axon terminals immunoreactive to dopamine-β-hydroxylase in the rat area postrema. PEPTIDES 17(7) 1203–1206, 1996.—A preembedding double immunostaining technique was used to study synaptic relations between enkephalin-like immunoreactive and dopamine-β-hydroxylase-like immunoreactive neurons in the rat area postrema...
The ultrastructure and synaptic relations of neurotensinergic neurons in the rat dorsal raphe nucleus (DRN) were examined. The neurotensin-like immunoreactive (NT-LI) neurons in the DRN were fusiform or spherical. The NT-LI perikarya could only be detected in colchicine-treated animals whereas the immunoreactive axon terminals could only be found in the animals not treated with colchicine. Although...
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