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Secretin Acetate is a naturally occurring alkaline polypeptide hormone in the digestive tract. It shares a high degree of sequence similarity with gastric inhibitory polypeptide, vasoactive intestinal peptide and other peptides, and belongs to the secretin peptide family. This substance exhibits highly specific physiological functions; its core effect is to potently stimulate the exocrine pancreatic glands to secrete water and sodium bicarbonate, neutralize gastric acid to protect the intestinal mucosa, and simultaneously stimulate bile secretion, inhibit gastrin release and gastrointestinal peristalsis, delay gastric emptying and enhance the effect of cholecystokinin. As a commonly used peptide reagent in scientific research and pharmaceutical fields, it typically has a purity of ≥98% (determined by HPLC), appears as a white powder, and requires sealed storage at -20℃ away from light. It is readily soluble in water and dimethyl sulfoxide (DMSO).
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Secretin COA
Application in the Regulation of Fat Metabolism
Fat metabolism is a core physiological process for the body to maintain energy balance, encompassing key links such as lipolysis, fatty acid uptake and adipokine secretion. Its disorder directly induces various metabolic diseases including obesity, insulin resistance and dyslipidemia. As a multifunctional polypeptide hormone, Secretin Acetate participates in the precise regulation of fat metabolism through multiple approaches, playing an indispensable role in basic scientific research, disease studies and the exploration of potential intervention strategies related to fat metabolism, and serving as an important research tool in this field.
(1) Promoting Lipolysis for Obesity-Related Research
Lipolysis is a key process that breaks down triglycerides stored in adipocytes into glycerol and free fatty acids to supply energy for the body. Abnormal inhibition of this process is one of the important causes of excessive fat accumulation and obesity. A core application of the product in fat metabolism regulation is its ability to effectively stimulate lipolysis in adipocytes, promote triglyceride degradation and reduce fat accumulation.
In basic scientific research, the product is often used in experimental studies related to lipolysis as a key reagent for activating the lipolytic process, helping researchers explore the physiological significance and abnormal regulatory mechanisms of lipolysis. For example, in experiments with obese animal models, researchers can observe a significant reduction in the weight of animal adipose tissue and increased levels of free fatty acids and glycerol in the blood after treatment with it, confirming the actual effect of its lipolytic action.
Meanwhile, its lipolytic effect is mediated through specific signaling pathways, and this characteristic can be identified without in-depth exploration of pathway details, making it an ideal tool for obesity mechanism research and the screening of lipolysis-related drugs.In addition, the lipolytic effect of it provides new ideas for the potential intervention of obesity and related metabolic diseases. Current relevant studies are exploring its application potential in obesity intervention; by regulating the lipolysis process, it helps improve excessive fat accumulation, offering a new research direction for the prevention and control of metabolic diseases, and its value as a scientific research tool is further reflected in this process.
(2) Inducing Fatty Acid Uptake for Research on Lipid Homeostasis Regulation
Fatty acid uptake is an important prerequisite for fat metabolism, referring to the process by which body cells take up free fatty acids from the blood for energy metabolism, fat synthesis or storage. Abnormal regulation of this process leads to the accumulation of fatty acids in the blood, causing dyslipidemia, fatty liver and other diseases. It can effectively induce cellular fatty acid uptake and promote the transport and utilization of fatty acids, playing an important role in research related to lipid homeostasis regulation.
In cellular and animal experiments, it is often used to induce fatty acid uptake in cells or the body, helping researchers study the regulatory rules of fatty acid uptake and its association with dyslipidemia, fatty liver and other diseases. For example, in intestinal cell experiments, the efficiency of cellular fatty acid uptake is significantly improved after treatment with Secretin Acetate, which is conducive to exploring the regulatory mechanism of intestinal lipid absorption; in dyslipidemia animal models induced by a high-fat diet, it can help reduce blood fatty acid concentrations and improve dyslipidemia by inducing fatty acid uptake, providing support for the mechanism research and intervention exploration of dyslipidemia.
Application in the Modulation of Neural Activity
Neural activity is a core process by which the body responds to external stimuli and maintains normal physiological functions, covering multiple aspects such as neuronal function and animal behavior regulation. Its abnormalities are closely associated with neurodevelopmental disorders, neurodegenerative diseases and other conditions. In recent years, researchers have found that it can modulate neural activity through multiple approaches, demonstrating unique application value in basic research and disease mechanism exploration in the neuroscience field, and emerging as an important research tool for studies related to neural activity.
(1) Regulating Repetitive Hyperactive Behaviors in Animals for Adjunct Research on Neurodevelopmental Disorders
Repetitive hyperactive behaviors refer to a class of purposeless, repetitive limb movements or behaviors, which are typical symptoms of neurodevelopmental disorders such as autism and tic disorders. The repetitive circular movement of animal models (e.g., Japanese waltzing mice) provides an important carrier for the study of such abnormal behaviors. An important application of the product in the field of neural activity is its ability to specifically modulate repetitive hyperactive behaviors in animal models, providing support for the research of related diseases.
Relevant experimental studies have shown that it can significantly increase the moving distance of animal models with repetitive hyperactive behaviors, improve their abnormal stereotyped behaviors, without affecting the normal exploratory activities of the animals. This characteristic makes it an ideal tool for studying diseases related to repetitive hyperactive behaviors, and it is widely used in basic research on neurodevelopmental disorders.
(2) Modulating Neuronal Function for Research on Neurodegenerative Diseases
Neurons are the basic functional units of neural activity, and their normal function directly determines the stability of neural activity. Abnormal neuronal function (e.g., insufficient neurotransmitter secretion) can induce a variety of neurological diseases. The product can effectively modulate neuronal function, especially exhibiting a significant effect in promoting the expression of neurotransmitter-related substances and stimulating neurotransmitter secretion, thus playing an important role in the research of neurodegenerative diseases.
PC12 neurons are a commonly used neuronal model with the characteristics of sympathetic neurons, capable of synthesizing and secreting catecholamines (including dopamine, norepinephrine, etc.). Tyrosine hydroxylase is a key substance in the catecholamine synthesis process, and its expression level directly affects the secretion of catecholamines. Insufficient catecholamine secretion is one of the core pathological features of neurodegenerative diseases such as Parkinson's disease. Therefore, regulating the expression of tyrosine hydroxylase and promoting catecholamine secretion are important research directions for neurodegenerative diseases.
Core Analytical Method for Purity and Content Determination
High Performance Liquid Chromatography (HPLC) is the most commonly used and core analytical method for Secretin Acetate, mainly for the determination of its purity and content. It features high separation efficiency, high sensitivity and strong accuracy, making it suitable for the analysis of polypeptide substances. Reversed-Phase High Performance Liquid Chromatography (RP-HPLC) is typically adopted for the detection, with a C18 chromatographic column and an acetonitrile-trifluoroacetic acid aqueous solution as the mobile phase, and separation is achieved through gradient elution.
For purity determination, the peak area normalization method is used for calculation, and the peak area ratio of the main peak of it shall be no less than 98%, which can effectively separate impurities (e.g., degradation products, synthetic intermediates) in the sample. For content determination, the external standard method is employed: a series of reference standard solutions with different concentrations are prepared to draw a standard curve, and the actual content is calculated according to the peak area of the sample. The recovery rate can reach 95%-105%, meeting the requirements of scientific research and reagent quality control, and it is currently the most widely used routine analytical method.
Analytical Method for Structural Integrity Identification
Mass Spectrometry (MS) is mainly used for the structural identification of it, to confirm the accuracy of its amino acid sequence and molecular weight, and to screen for sequence errors, abnormal modifications and other problems that may occur during the synthesis process. Matrix-Assisted Laser Desorption/Ionization Time-of-Flight Mass Spectrometry (MALDI-TOF-MS) is commonly used, which is simple to operate and highly sensitive, enabling rapid determination of its molecular weight.
The theoretical molecular weight of the product is approximately 3055.46, and the molecular ion peak obtained by mass spectrometric detection shall be consistent with the theoretical value with a deviation of no more than 0.1%. Combined with Liquid Chromatography-Mass Spectrometry (LC-MS) technology, peptide sequence analysis can be further realized to confirm the sequence integrity of its 27 amino acid residues, providing direct evidence for the structural verification of it, and it is often used for synthetic process verification and new product identification.
Other Auxiliary Analytical Methods
In addition to the above core methods, two auxiliary analytical methods are used to improve the quality control of the product.First is amino acid analysis: the sample is decomposed into individual amino acids through acid hydrolysis, derivatized, and then detected by HPLC or ion exchange chromatography to confirm the composition and proportion of each amino acid, which shall be consistent with the theoretical amino acid composition to ensure the accuracy of the polypeptide structure.Second is Ultraviolet Spectrophotometry (UV), used for rapid qualitative detection. The product has a characteristic absorption peak at approximately 275 nm, which can be used for the preliminary judgment of the presence of the sample and the rationality of its purity. It is simple and rapid to operate, making it suitable for the preliminary screening of samples.
FAQ
What happens if you lack secretin?
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Pylori infection causes a deficiency of secretin, the hormone that coordinates body defenses to ulcerogenic gastric acid, and that secretin deficiency allows gastric acid to produce the lesions of peptic ulceration.
What triggers secretin release?
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Secretin functions as a type of fireman: it is released in response to acid in the small intestine, and stimulates the pancreas and bile ducts to release a flood of bicarbonate base, which neutralizes the acid.
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