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Study of Interactions between DNA and Tetrapeptides Study of Interactions...

Tetrapeptide Lys-Glu-Asp-Trp is a mimetic of insulinotropic peptides and reduces the blood glucose level. This tetrapeptide increases the content of important factors of differentiation in endocrine...

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Short Peptides Stimulate Serotonin Expression in Cells of Brain Cortex

Peptides Glu-Asp-Arg and Lys-Glu-Asp stimulate serotonin expression in aging cultures of brain cortex cells. Peptide regulation of 5-tryptophan hydroxylase gene encoding the enzyme involved in...

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Peptides Regulate Expression of Signaling Molecules in Kidney Cell Cultures...

We studied the effect of polypeptide complex isolated from calf kidney and short peptides T-31 (AED) and T-35 (EDL) on the expression of signaling molecules, markers of cell renewal (Ki-67, p53),...

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Peptides Stimulate Expression of Signal Molecules in Neuronal Cultures from...

Molecular mechanisms of the neuroprotective effect of peptide T-33 and cortexin were studied on organotypic cultures of the brain from young and old Wistar rats. The effective concentration of peptide...

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Peptide bioregulators: A new class of geroprotectors, report 2. The results...

AbstractThis paper reviews the results of long-term studies by the authors on the clinical efficacy of peptide bioregulators (Timalin, Thymogen, Vilon, Epithalamin, Prostatilen, Cortexin, and...

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Peptide Regulation of Gene Expression and Protein Synthesis in Bronchial...

AbstractIntroductionSome studies have shown that peptides have high treatment potential due to their biological activity, harmlessness, and tissue-specific action. Tetrapeptide Ala-Asp-Glu-Leu (ADEL)...

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Peptides, genome, aging

AbstractDuring investigation of the mechanism of the action of short peptides, it was established that they regulate gene expression and protein synthesis. These peptides stimulate proliferation and...

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Molecular Aspects of Anti-Atherosclerotic Effects of Short Peptides

We studied molecular mechanisms of the vasoprotective effects of tripeptide T-38 and dipeptide RR-1. Short peptides T-38 and the RR-1 activate the processes of cell renewal in organotypic and...

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Role of Peptide Bond in the Realization of Biological Activity of Short Peptides

We performed a comparative analysis of biological activity of Lys-Glu peptide and its amino acid constituents. It was established that Lys-Glu stimulated proliferation of splenic cells in organotypic...

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Epigenetic mechanisms of peptidergic regulation of gene expression during...

AbstractExpression levels of genes encoding specific transcription factors and other functionally important proteins vary upon aging of pancreatic and bronchial epithelium cell cultures. The peptides...

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Peptides and CCL11 and HMGB 1 as molecular markers of aging: Literature...

AbstractCytokines CCL11 (eotaxin) and HMGB1 (alarmin 1) are molecular markers of ageing and neurological, cardiovascular, and immune diseases. Created at the St. Petersburg Institute of Bioregulation...

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Short peptides stimulate cell regeneration in skin during aging

AbstractThe search for new safe and efficient low-molecular weight substances stimulating skin regeneration is an important objective of geriatric cosmetology. The present study addressed the effects...

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Epigenetic aspects of peptidergic regulation of vascular endothelial cell...

AbstractShort peptides, vesugen and D-7, stimulated the synthesis of the proliferation-associated protein Ki-67, the expression of which decreased during aging in tissue-specific cell cultures obtained...

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Effects of Geroprotectors on Age-Related Changes in Proteolytic Digestive...

We studied the effect of melatonin and epithalon on age-related changes in proteolytic digestive enzyme activity in the pancreas and gastric mucosa of rats kept under different lighting conditions. In...

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Peptides Restore Functional State of the Kidneys During Cisplatin-Induced...

The effects of polypeptide complex from the kidney and short peptides AED, EDL, and AEDG on renal functions were studied in rats with cisplatin-induced acute renal failure. AED peptide decreased...

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Short Biologically Active Peptides as Epigenetic Modulators of Gene Activity

AbstractShort (2–4 aa) peptides investigated increased life span of rats and improved various physiological functions and health status in aged people. Biological activities of peptides are tissue...

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Short Peptides and Telomere Length Regulator Hormone Irisin

Irisin produced by muscles during exercise and promoting fat burning also exhibits geroprotective effect and induces telomere elongation in normal somatic cells. Special attention is paid to studies of...

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GDF11 protein as a geroprotector

AbstractGDF11 protein, the growth differentiation factor 11, which belongs to the TGF-β superfamily (transforming growth factor β), shows marked geroprotective effects on the cardiovascular and nervous...

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Peptide Regulation of Skin Fibroblast Functions during Their Aging In Vitro

The effect peptides KE, KED, AED and AEDG on proliferation (Ki-67), regeneration and aging (CD98hc), apoptosis (caspase-3), and extracellular matrix remodeling (MMP-9) in skin fibroblasts during their...

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Effects of Vascular Peptide Bioregulator on the Density of Microvascular...

Using a TV unit for microcirculation studies, we studied the density of the entire microvascular network and its arterial compartment in the pia mater of the sensorimotor cortex in intact young and...

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