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Protein-induced Obesity Model

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Overview of Protein-induced Obesity Model

At Protheragen, we are committed to providing cutting-edge biotech solutions, especially in the research field of obesity and its related metabolic diseases. The construction and evaluation of the protein-induced obesity model is a high-end service we developed specifically for studying the relationship between protein intake and obesity. This service not only enriches the content of our Preclinical Studies of Anti-Obesity Therapeutics but also further expands the customization scope of Obesity Models, especially In Vivo Obesity Models for Obesity Research. We help researchers to deeply understand the mechanism of action of protein in the development of obesity by precisely controlling the protein ratio in the diet and provide strong model support for the development of new anti-obesity drugs.

We utilize our protein-induced obesity model as a pivotal tool in Anti-Obesity Therapy Development. This model offers a unique perspective by mimicking obesity scenarios triggered by protein diets, allowing us to comprehensively evaluate the impact of various therapeutic interventions.

Revolutionizing Obesity Research with Tailored Protein-induced Obesity Models

The protein-induced obesity model is a groundbreaking approach to studying obesity and related metabolic disorders. This model is meticulously designed to replicate the conditions leading to obesity through dietary protein manipulation.

According to the protein leverage hypothesis, when dietary protein is low, individuals may increase overall food intake to meet their protein needs, even if this results in an excess intake of carbohydrates and fats, which may lead to obesity. Conversely, a high-protein diet leads to reduced food intake due to increased satiety, helping to control weight and reduce obesity. Although excess protein intake may not directly lead to obesity, it may have other harmful effects on health.

  • Model Animal Selection

    We use rodent models especially mice and rats because they are genetically, biologically, and behaviorally similar to humans. They provide a controlled environment for studying the underlying mechanisms of obesity and potential therapeutic interventions.

  • Dietary Protein Ratio

    The core principle of this model is to alter dietary protein content to induce obesity. Typically, a standard rodent diet contains 14-20% protein. By manipulating this ratio (e.g., reducing protein to around 5-10%), we induce metabolic changes that mimic the onset of obesity.

  • Model Construction and Evaluation

    Induction Phase

    Animal Selection: Select the appropriate rodent species and strain that fits the study objectives.

    Dietary Management: Feed the animals with a formulated low-protein diet for a specified period of time (usually 8-16 weeks).

    Monitoring and Data Collection

    Regular Assessment: Body weight, food intake, fat accumulation, and metabolic parameters are monitored regularly.

    Histopathological analysis: At specific time points (such as after the end of dietary intervention), the model group and control group animals are dissected, and key organs such as liver and adipose tissue are collected for pathological examination to evaluate fat deposition, inflammatory response, etc.

    Evaluation and Analysis

    Data analysis: Analyze data to evaluate the occurrence and progression of diet-induced obesity.

    Model validation: Validate the model by comparing the model with the control group fed a standard diet.

    Functional validation: Evaluate the glucose metabolism and insulin sensitivity of the model animals through glucose tolerance test (OGTT), insulin tolerance test (ITT), etc., and verify the reliability of the model.

Workflow

We commence obesity research projects by consulting with clients to define research needs and establish key parameters. We then purchase and raise healthy male mice for adaptive feeding, applying high-protein diet interventions to the model group while maintaining a standard diet for the control. During the intervention, we closely monitor physiological and biochemical indicators. At designated times, we collect tissue samples for analysis. Following data organization and statistical analysis, we compile a detailed research report. Upon project completion, we deliver the report to clients, offering ongoing technical support and consultation.

Schematic diagram of protein-induced obesity model construction. (Protheragen)

Applications of Protein-induced Obesity Model

  • Drug development: The model can be used to evaluate the efficacy and safety of candidate drugs in obesity models. This helps researchers screen for drugs that can effectively reduce body weight and improve metabolic parameters such as blood sugar and blood lipids.
  • Mechanism research: This model provides an important tool for studying the molecular mechanisms of obesity. Researchers use this model to explore changes in gene expression, signaling pathways, and metabolic networks related to obesity.
  • Food development: The food industry uses this model to evaluate the effects of new food ingredients or functional foods on weight management.

Advantages

  • Professional team: We have a team of senior scientists and technical experts who have extensive experience in protein metabolism, obesity model construction, and drug development.
  • Advanced technology: We use internationally advanced biotechnology and experimental methods to ensure that the construction process of the protein-induced obesity model is scientific and rigorous.
  • Efficient service: We focus on experimental efficiency and service quality, and ensure that the project is completed on time and with quality by optimizing the experimental process and strengthening internal management.

Publication

Published: 2017

Journal: Frontiers in Nutrition

IF: 5.2

Results: The authors review how dietary protein affects obesity control mechanisms in animal models like rats and mice. Modulating the quantity and quality of dietary protein regulates food intake, energy expenditure, and metabolic pathways, significantly influencing body composition. High protein diets reduce adiposity and suppress food intake due to increased metabolic rates and satiety-related pathways. Conversely, low protein diets lead to high food intake and fat mass. These effects are profound during the perinatal period, where maternal protein intake can impact offspring's weight and feeding behavior. Thus, dietary protein is crucial in sustaining body composition and managing obesity, with findings from animal models offering insights applicable to human health interventions.

Fig.1 Effects of LP and HP diet on body composition, food intake, and energy expenditure.Fig.1 Effects of low protein and high protein diet on body composition, food intake, and energy expenditure. (Chalvon-Demersay, et al., 2017)

Our Services

Obesity Signaling Pathway Functional Analysis Service

Linked to our protein-induced obesity model is our obesity signaling pathway functional analysis service, which encompasses detailed evaluations of critical signaling cascades. Our suite includes MAPK, PI3K/AKT, JAK/STAT, TGF-β, AMPK, and Wnt/β-catenin pathway functional analysis. These services offer insights into how obesity-related signaling pathways are disrupted, leading to metabolic derangements.

Frequently Asked Questions

What is the protein-induced obesity model and how can it help my research project?

The protein-induced obesity model is an experimental model that induces an obese phenotype in animals through a specific protein diet. This model simulates obesity and related metabolic changes caused by a high-protein diet in humans, providing an experimental environment close to the physiological state for your research. It helps to evaluate the potential of weight loss drugs, functional foods, or nutritional supplements in controlling body weight and improving metabolic health.

What information do I need to provide to customize my protein-induced obesity model?

To better meet your needs, we recommend that you provide the following information: research purpose, target species, desired obesity level, expected experimental period, specific dietary requirements such as protein type and ratio, and any other experimental conditions. This information will help us design a customized model solution that best suits your research project.

Protheragen focuses on providing excellent protein-induced obesity model development services. We are committed to helping clients achieve breakthroughs in the research of obesity and related metabolic diseases through scientific and rigorous experimental design and customized services. Please feel free to contact us for more details if you are interested in our protein-induced obesity model development services!

Reference

  1. Chalvon-Demersay, T.; et al. Animal models for the study of the relationships between diet and obesity: a focus on dietary protein and estrogen deficiency. Frontiers in nutrition. 2017, 4: 5.

All of our services and products are intended for preclinical research use only and cannot be used to diagnose, treat or manage patients.

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