Peptide Yy Release
Peptide Yy Release - Related Videos
08:39
Ex Vivo Release of Calcitonin Gene-Related Peptide from the Trigeminovascular System in Rodents
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Cited by 4 •
2022
The present protocol describes the ex vivo calcitonin gene-related peptide (CGRP) release model and the strategy to quantify the effect of pharmacological agents on the amount of CGRP released from the trigeminovascular system in rodents.
04:00
Immunoaffinity Based Extraction of Ubiquitinylated Peptides: A Technique to Selectively Extract Ubiquitin Tagged Peptides from Purified Peptide Fractions
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2023
This video describes a method to extract and purify ubiquitinylated peptides containing remnant di-glycine peptides from a complex peptide mixture. The presented method may help in identifying original ubiquitination sites in the protein.
04:50
Phosphopeptide Enrichment: An Antibody-based Immunoprecipitation Technique to Separate Specific Phosphorylated Peptides from Complex Peptide Mixtures
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2023
In this video, we demonstrate antibody-based immunoprecipitation of phosphopeptides from a peptide mixture. The enriched phosphopeptides are vacuum concentrated and stored for downstream analysis.
03:21
Peptide Purification: An RP-HPLC-based Technique to Extract Peptides from Digested Protein Lysates
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2023
In this video, we demonstrate reversed-phase high-performance liquid chromatography to purify peptides from a digested protein lysate mixture. These purified peptides are then lyophilized and stored for downstream applications. Analysis of peptides can help understand the mechanics involved in cellular signaling and cancer.
12:27
Measuring Peptide Translocation into Large Unilamellar Vesicles
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Cited by 9 •
2012
This protocol details a method for the quantitative measure of peptide translocation into large unilamellar lipid vesicles. This method also provides information about the rate of membrane translocation and can be used to identify peptides that efficiently and spontaneously cross lipid bilayers.
FAQs
Release is linked to the arrival of nutrients in the gastrointestinal tract, rather than occurring as an isolated digestive event. Distal-intestinal L cells provide the cellular connection between luminal nutrient exposure and a post-meal hormonal signal. This arrangement allows PYY secretion to participate in coordinating appetite, gastric emptying, and intestinal motility after food intake.
Enzymatic processing is important because the released peptide is converted to PYY3-36, the form emphasized in this pathway. PYY3-36 acts mainly through Y2 receptors, giving the signal a defined receptor-mediated route. Studying this processing step helps explain how nutrient-triggered secretion becomes a physiological message affecting energy regulation and digestive function.
The effects of PYY are coordinated rather than limited to appetite alone. Its signaling can reduce food-seeking drive while also slowing gastric emptying and modulating intestinal motility. Considering these responses together is important in medicine because changes in one gut function may influence the timing and experience of digestion as well as post-meal satiety.
Medical studies of peptide YY release can examine how nutrient-triggered secretion relates to appetite regulation and energy balance. The same research framework can consider digestive outcomes, including gastric emptying and intestinal motility. This broader view helps connect a gut signal with clinically relevant questions about obesity, metabolic disorders, and control of food intake.
Obesity and metabolic-disorder research focuses on PYY because the hormone provides a gut-derived route for linking meals with reduced appetite and altered digestive activity. Investigators can use this physiological relationship to explore its contribution to disrupted energy regulation and identify possible therapeutic targets for future study.
Therapeutic research may aim to reproduce or enhance gut-derived signals that normally follow nutrient intake. For peptide YY release, the relevant goal is not simply increasing secretion but engaging the pathway associated with PYY3-36 and Y2-receptor signaling. Such work is relevant to strategies seeking improved appetite control and energy-balance regulation.