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Exendin-4 is a peptide resembling glucagon-like peptide-1 (GLP-1), which has protective effects on nerve cells. However, the effects of Exendin-4 on retinal ganglion cells (RGC) are still under clear. The purpose of the present study is to demonstrate that exenatide prevents high- or low-glucose-induced retinal ganglion cell impairment. We observed the expression of GLP-1R in RGC-5 cells by immunofluorescence...
Obestatin is a recently discovered gastrointestinal hormone. It might play a role in the pathophysiology of obesity. We tried to investigate the expression of obestatin in gastric body mucosa in overweight (BMI≥24kg/m 2 )/obese (BMI≥28kg/m 2 ) patients. Thirty overweight/obese patients and 20 healthy controls were included in the study. Biopsy specimens of gastric mucosa were obtained...
Obestatin is a recently discovered active peptide isolated from the stomach. The purpose of the present study was to investigate the modification of plasma obestatin levels in men with chronic atrophic gastritis. Men older than 65 years undergoing upper gastrointestinal endoscopy were included. All patients with chronic atrophic gastritis underwent multiple biopsies. Fasting plasma obestatin and ghrelin...
In order to obtain the recombinant VPAC2 agonist efficiently by intein-mediated single column purification, a gene encoding 32-amino acids peptide was designed, synthesized and cloned into Escherichia coli expression vector pKYB. The recombinant vector pKY-ROM was transferred into E. coli ER2566 cells and the target protein was over-expressed as a fusion to the N-terminus of a self-cleavable affinity...
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