C-peptide and Nicotinamide's Impact on Insulin from Mouse Islets
Journal name: The Malaysian Journal of Medical Sciences
Original article title: Effect of C-peptide Alone or in Combination with Nicotinamide on Insulin Levels from Pancreatic Islets in Mouse
The Malaysian Journal of Medical Sciences (MJMS) is a peer-reviewed, open-access journal published online at least six times a year. It covers all aspects of medical sciences and prioritizes high-quality research.
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Original source:
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Akram Ahangarpour, Fatemeh Ramezani Ali Akbari, Hadi Fathi Moghadam
The Malaysian Journal of Medical Sciences:
(A peer-reviewed, open-access journal)
Full text available for: Effect of C-peptide Alone or in Combination with Nicotinamide on Insulin Levels from Pancreatic Islets in Mouse
Year: 2016
Copyright (license): CC BY 4.0
Download the PDF file of the original publication
Summary of article contents:
Introduction
Diabetes mellitus is a complex condition marked by elevated blood glucose levels and associated metabolic abnormalities. With increasing global prevalence, reaching an estimated 380 million cases by 2025, effective management of diabetes is crucial to preventing complications such as retinopathy and nephropathy. This study investigates the roles of c-peptide and nicotinamide, substances known to enhance insulin production, in stimulating insulin secretion from pancreatic islets in mice. Previous studies have demonstrated the potential of both compounds to improve insulin secretion, but empirical evidence regarding their combined effects is limited.
The Synergistic Effect of C-Peptide and Nicotinamide
The study's findings indicate that both c-peptide and nicotinamide, especially when used in combination, significantly increase insulin secretion from pancreatic islets under various glucose conditions. Specifically, c-peptide at a concentration of 100 nM and nicotinamide at 100 mM were shown to enhance insulin release, with the effect being more pronounced in the presence of higher glucose concentrations. Glyburide, another antidiabetic agent, while effective in stimulating insulin secretion, was found to be less effective than the combination of c-peptide and nicotinamide. This suggests that integrating these compounds into diabetes management could offer an innovative therapeutic approach for enhancing insulin production, leveraging their synergistic effects to improve patient outcomes.
Conclusion
In conclusion, the research supports the hypothesis that c-peptide and nicotinamide, both independently and in combination, significantly enhance insulin secretion from pancreatic islets in a mouse model. These findings align with the growing body of evidence that highlights the potential benefits of metabolic regulators in diabetes treatment. The study encourages further exploration into the mechanisms behind these effects, as understanding the pathways involved could pave the way for novel therapeutic strategies to manage diabetes and mitigate its complications.
FAQ section (important questions/answers):
What is the role of C-peptide in insulin secretion?
C-peptide is produced in beta cells and is released into the bloodstream. It appears to stimulate insulin secretion and has physiological functions in various tissues, potentially improving kidney and nervous functions in diabetic patients.
How does nicotinamide affect insulin levels?
Nicotinamide enhances energy production and has antioxidant effects. It is known to protect beta-cells, prevent type 1 diabetes, and can increase plasma insulin levels in diabetic models.
What were the study's findings on glyburide's effectiveness?
Glyburide significantly improved insulin secretion at a concentration of 10 μM in the presence of 5.6 mM glucose. However, it was less effective at higher glucose concentrations due to potential glucose toxicity.
What combination showed the highest insulin secretion effectiveness?
The combination of C-peptide and nicotinamide at specific concentrations displayed a significant additive effect on insulin secretion compared to glyburide, suggesting a beneficial approach for insulin regulation in diabetes.
Glossary definitions and references:
Scientific and Ayurvedic Glossary list for “C-peptide and Nicotinamide's Impact on Insulin from Mouse Islets”. This list explains important keywords that occur in this article and links it to the glossary for a better understanding of that concept in the context of Ayurveda and other topics.
1) Activity:
Activity refers to actions or functions performed by either organisms or substances in biological and chemical contexts. In the study of diabetes, the activity of insulin and various treatments like C-peptide and nicotinamide demonstrates their role in enhancing insulin secretion from pancreatic islets, which is vital for glucose regulation.
2) Blood:
Blood is the fluid that circulates through the cardiovascular system, carrying oxygen, nutrients, and hormones to cells while transporting waste products away. In diabetes research, blood insulin levels are crucial, as managing these levels can help control the condition and mitigate complications associated with uncontrolled glucose levels.
3) Study (Studying):
Study signifies an investigation carried out to understand or gain knowledge regarding a specific subject. In this context, it refers to the experimental examination of the effects of C-peptide and nicotinamide on insulin secretion in pancreatic islets, which contributes to the broader understanding of diabetes treatments.
4) Beta:
Beta, in this context, typically pertains to beta cells in the pancreas, which are responsible for producing insulin. Research on beta cells is essential in diabetes, as their dysfunction leads to insufficient insulin production, resulting in elevated blood sugar levels and various complications associated with diabetes.
5) Table:
Table refers to a systematic arrangement of data or information, often used for clarity in presenting research findings. In scientific studies, tables are essential for summarizing results, such as the insulin levels measured across different experimental groups, making it easier to analyze and interpret the impact of treatments.
6) Animal:
Animal denotes the living organisms used in research to study biological processes. In this study, male mice were utilized as a model organism to explore the effects of C-peptide and nicotinamide on insulin secretion from pancreatic islets, providing insights that might translate to human diabetes treatment.
7) Drug:
Drug refers to a chemical substance used for medical treatment. Glyburide, mentioned in the study, is an antidiabetic drug essential for controlling blood sugar levels in type 2 diabetes patients. Understanding drug efficacy and mechanisms aids in developing better therapeutic strategies for diabetes management.
8) Male:
Male denotes the biological sex of an organism, often used to specify study parameters. In this research, the use of adult male mice helps standardize variables affecting insulin secretion, enabling clearer associations between treatment effects and physiological responses essential for developing diabetes therapies.
9) Measurement:
Measurement refers to the quantification of variables in scientific research. In this context, insulin secretion levels were measured using a radioimmunoassay method, providing crucial data for evaluating the effectiveness of C-peptide and nicotinamide treatments on enhancing insulin production from pancreatic islets.
10) Sima (Shima):
Sima likely refers to an author involved in the referenced article or research. This implies that their contributions, typically in data collection or analysis, are important in establishing credibility and validity in the findings reported, particularly regarding the effects of the treatments on insulin secretion.
11) Venkataraman:
Venkataraman may refer to a researcher contributing to the study. Credible authorship in scientific literature is vital for validation and peer recognition, ensuring the integrity of the results related to diabetes treatment efficacy and further research development.
12) Attending:
Attending often relates to being present or engaged in a specific context, such as research endeavors or studies. In the medical field, attending includes healthcare professionals participating in hospital rounds or academic settings, contributing to rapid knowledge translation into practice, particularly concerning diabetes care.
13) Relative:
Relative indicates a relationship or comparison to a reference point. In diabetes research, it can refer to genetic predispositions within family members, revealing susceptibility to type 1 diabetes, implicating environmental and genetic factors in disease manifestation during the investigation.
14) Disease:
Disease is a pathological condition affecting body functions. Type 1 and type 2 diabetes represent crucial diseases in this study, emphasizing the importance of understanding metabolic disorders and potential treatment pathways that improve insulin secretion and overall glucose metabolism.
15) Allergy:
Allergy refers to an adverse immune response to specific substances. Although primarily focused on diabetes, the intersection of allergies and diabetes can inform treatment safety and interactions, highlighting the need for comprehensive patient assessments for effective management strategies and avoidance of adverse reactions.
16) Science (Scientific):
Science embodies systematic study and understanding of natural phenomena through observation and experimentation. The underlying basis of this study is scientific inquiry into diabetes treatments, specifically assessing how various compounds influence insulin secretion and contribute to broader medical knowledge in the field.
17) Company:
Company in this context pertains to the organizations providing reagents or substances used in the study. Reputable suppliers, such as Sigma-Aldrich and Bachem, ensure the quality and reliability of materials, facilitating accurate experimentation and enhancing credibility in scientific research findings.
18) Medium:
Medium denotes the environment in which cells or organisms grow and interact. In the study, it refers to the solutions or reagents, such as buffer solutions for islet culture, that are essential for maintaining optimal conditions for pancreatic islet assessment and insulin secretion measurements.
19) Indian:
Indian likely pertains to the origin of the researchers or sources of materials relevant to the study. Highlighting cultural and geographic insights fosters comprehensive dialogue on diabetes treatment approaches, potentially influencing adaptations tailored to specific populations with different health backgrounds.
20) Water:
Water is essential for sustaining life and serving as a solvent in biological processes. In the context of this study, providing water and nutrient solutions to mice during research ensures the survival and health of the subjects involved, ultimately impacting the reliability of the experimental outcomes.
21) Raja:
Raja may refer to an author or researcher in the context of the study. Authorial contributions help establish credibility and add depth to the article’s reporting of findings on C-peptide and nicotinamide, showcasing the collaborative nature of scientific research in diabetes.
22) Dula:
Dula similarly represents an author contributing to the study. Their involvement indicates a collaboration that enhances research quality, supporting the investigation of C-peptide and nicotinamide effects on pancreatic islets and potentially contributing unique perspectives or expertise in the research process.
23) Diet:
Diet pertains to the intake of food and nutrients, crucial in the context of diabetes management. Understanding dietary influences on glucose metabolism and insulin secretion helps shape informed treatment and lifestyle recommendations necessary for diabetes control and prevention strategies.
24) Post:
Post generally refers to something that follows an event or condition. In this study context, it might indicate post-treatment evaluations or outcomes observed after administering C-peptide or nicotinamide, providing insights into the effects and impacts of the treatments on insulin levels over time.
25) Ter:
Ther likely relates to 'therapy' or 'therapeutic methods' in the context of treatment approaches. Exploring innovative therapies such as C-peptide and nicotinamide highlights the ongoing advancements in diabetes management, aiming to improve patient outcomes through effective interventions and research on insulin secretion enhancement.
26) Dish (Dis):
Dish signifies the culture plate or vessel used for experimental setups involving pancreatic islets. Utilizing proper dish types is critical for isolating pancreatic islets and ensuring accurate measurements of insulin secretion, as it directly impacts experimental results and validity in the context of the study.
27) Purification:
Purification refers to the process of isolating specific cellular components from mixtures. In this study, islet purification is crucial for ensuring only functional pancreatic cells are assessed for insulin secretion, promoting accurate evaluation of C-peptide and nicotinamide effects in a controlled environment.
28) Discussion:
Discussion represents the section of a research article analyzing and interpreting results. It is critical for connecting findings to existing literature, exploring implications, and generating hypotheses for future research directions, particularly in understanding diabetes treatments and insulin secretion mechanisms.
29) Toxicity:
Toxicity refers to the degree to which a substance can damage living organisms. Assessing toxicity is essential in researching diabetes treatments to ensure that compounds like C-peptide and nicotinamide do not induce adverse effects, safeguarding patients and enhancing treatment efficacy in clinical contexts.
30) Incision:
Incision refers to a cut made in the skin or tissue, typically performed during surgical procedures. In this research context, it relates to the dissection of mice for pancreas removal, highlighting the ethical considerations and technical precision required for isolating pancreatic islets for experimental studies.
31) Channel:
Channel often refers to pathways through which ions or molecules pass across cell membranes, critical to cellular function. Understanding ion channels is significant in studying pancreatic beta-cell physiology and insulin secretion, which are essential components in diabetes research and treatment development.
32) Quality:
Quality denotes the standard of materials and methods used in research. High-quality reagents and experimental protocols are critical for ensuring reliable and valid results in the study of insulin secretion, ultimately influencing the effectiveness of proposed diabetes treatments.
33) Species:
Species indicates distinct biological classifications of organisms. In the study, the specific use of NMRI mice serves to examine diabetes treatment effects and offers insights that can be translated into broader diabetic population studies, enhancing the understanding of treatment responses across different species.
34) Killing (Killed):
Killed refers to the action of causing death to an organism, similar to 'killing.' It emphasizes the necessity of this action in experimental design to obtain viable specimens, particularly in studies measuring responses like insulin secretion, ensuring the investigation's focus remains scientifically justified.
35) Bile:
Bile is a digestive fluid produced by the liver and stored in the gallbladder, essential for fat digestion. Although it may not be a primary focus of this diabetes study, understanding bile's metabolic roles can provide insights into liver function's relevance to insulin production and overall diabetic health.
36) Food:
Food relates to substances consumed to provide nutritional support for organisms. The type of food provided to the mice in the study impacts their metabolic health and can influence findings related to diabetes, making diet considerations crucial in preclinical research settings.
37) Cage:
Cage refers to the housing environment for laboratory animals. In the research context, it signifies the ethical and environmental standards for animal care, which are vital for maintaining animal welfare, influencing health, and ultimately affecting the validity of research outcomes in diabetes studies.
38) Hair:
Hair typically represents a characteristic feature of mammals. While not directly relevant to insulin secretion studies, observations about hair health may reflect the overall physiological status of the mice involved in experiments, potentially relating to stress responses that influence diabetes outcomes.
39) Life:
Life refers to the state of living organisms. In the research context, it signifies the importance of maintaining healthy living conditions for the mice used in experiments to ensure accurate results in studying insulin secretion mechanisms, underlining ethical considerations in scientific research.
Other Science Concepts:
Discover the significance of concepts within the article: ‘C-peptide and Nicotinamide's Impact on Insulin from Mouse Islets’. Further sources in the context of Science might help you critically compare this page with similair documents:
Saline Group, Insulin, Diabetes, Quality of life, Psychological stress, Oxidative stress, Reactive oxygen species, Antidiabetic Drug, Type 2 diabetes, Antioxidant Effect, Dose-dependent, Cell viability, Insulin secretion, Type 1 diabetes, Islets of Langerhans, Beta cells, Nicotinamide, Interleukin-1 beta, Blood glucose, High-fat diet, Insulin release, High blood glucose, Diabetes treatment, Pancreatic Islets, Glucose concentration, Glyburide, Diabetic patient, Proinflammatory cytokine, Pancreatic beta cell, Antileishmanial activity, First degree relatives, Immune response regulation, Insulin level, Insulin response, Beta cell function, Signal transduction, Antioxidant agent, Insulin and glucagon, C-peptide, Experimental Condition, High glucose, Metabolic function, Nicotinamide adenine dinucleotide, Clinical disease, Insulinotropic action, Insulin exocytosis, Glucokinase activity, Antiapoptotic effect.