Collagen Type I And Type IV Peptide Fragments: The Invisible Commanders Of Human Health

Jun 30, 2025

Leave a message

The Scientific Value of Hunan Jiayi Collagen Peptides as Seen from Cutting-edge Scientific Research

I. Introduction

Collagen is an extremely abundant protein in the human body, accounting for approximately one-third of the total protein content in the body. It plays a crucial role in maintaining the structure and function of various tissues and organs in the body. Among them, collagen I and IV each have unique structural and functional characteristics and have significant impacts on human health. Hunan Jiayi Collagen Peptide products, with their high-quality collagen components, have demonstrated significant advantages in improving human health. This article will deeply explore the effects and efficacy of collagen I and IV on human diseases from the dimensions of research methods, research subjects, experimental test results, and clinical data.

 

II. Research Methods and Objects

Research Methods

The relevant research has adopted a variety of scientific methods, including in vitro cell experiments, animal experiments and human clinical trials, etc. In vitro cell experiments were conducted by culturing specific cells to observe the effects of collagen I and IV on cell growth, differentiation, repair and other processes. Animal experiments select appropriate animal models to simulate the human disease state, administer different doses of collagen intervention, and monitor the changes of various physiological indicators. Human clinical trials recruited volunteers of different ages and health conditions, setting up experimental groups and control groups to evaluate the effects of oral collagen supplements, covering multiple aspects such as skin conditions, joint functions, and immunity.

Research Subjects

The research subjects are extensive, covering people of different age groups and various disease types. In skin-related research, people with problems such as skin aging, dryness and wrinkles are included; Joint disease research focuses on patients with osteoarthritis, rheumatoid arthritis and joint injuries. In addition, there are also studies on people with low immunity, osteoporosis and other conditions. These research subjects provide diverse data samples for a comprehensive understanding of the roles of collagen I and IV in different disease scenarios.

 

1

 

III. The Functions and Benefits of Collagen I

Experimental test results

In terms of skin: Multiple experiments have shown that collagen I, as the most abundant structural protein in the skin, plays a crucial role in maintaining skin elasticity and firmness. In vitro cell experiments, the addition of collagen I can promote the proliferation of fibroblasts and the synthesis of collagen, and increase the content of extracellular matrix in skin cells. Animal experiments have shown that supplementing collagen I can improve the tissue structure of the skin and reduce the formation of wrinkles. In human clinical trials, long-term oral administration of supplements containing collagen I can increase the moisture content of the skin, enhance elasticity and reduce the depth of wrinkles. For instance, a 12-week double-blind controlled trial in which a group of subjects took a specific dose of collagen I supplements daily showed that their skin elasticity was significantly improved and skin roughness was reduced compared with the control group.

 

Regarding bones and joints: Collagen I is the main component of bones and tendons, forming a fibrous network that endows bones with strength and toughness. During bone development, collagen I provides a scaffold for the deposition of minerals and promotes the formation of bone tissue. In animal experiments, supplementing osteoporosis model animals with collagen I can increase bone density and improve the mechanical properties of bones. In terms of joints, collagen I helps maintain the normal structure and function of articular cartilage and tendons. Research has found that after athletes supplement with collagen I, they can alleviate joint pain after exercise and reduce the risk of tendon injury.

Clinical Data

Clinical research data further confirm the efficacy of collagen I. In the clinical practice of dermatology, for patients with aging skin, after using skin care products or oral supplements containing collagen I for a period of time, the appearance of the patients' skin is significantly improved, including increased skin firmness, reduced fine lines, and brighter skin tone. In the field of orthopedics, for patients with osteoarthritis, supplementing collagen I can relieve joint pain, improve joint function and enhance the quality of life of patients. For instance, a clinical study involving 100 patients with osteoarthritis divided the patients into an experimental group and a control group. The experimental group took collagen I supplements daily, while the control group took placebos. Six months later, the joint pain score of the patients in the experimental group was significantly lower than that in the control group, and the joint range of motion also improved significantly.

 

Type I Collagen Peptide Fragments: The "Engine" of Tissue Repair

The C1158/59 peptide (15 amino acids) produced by enzymatic digestion of MMP2/9 significantly accelerates wound healing in mice with myocardial infarction, reduces fibrosis, and maintains cardiac geometry (the repair effect improves by 40% within 7 days) [16].

 

Angiogenesis

The C-propeptide fragment promotes endothelial cell migration and facilitates tissue vascularization [21].

Inflammation regulation

PGP peptide (proganpu), as a neutrophil chemokine, is involved in chronic inflammatory responses [20].

2

 

The Functions and Benefits of Collagen IV

Experimental test results

Basement membrane repair and cell growth: Collagen IV is the main component of the basement membrane, accounting for 70% of the dry weight. In vitro cell experiments have shown that collagen IV can promote cell adhesion, growth and differentiation, which is crucial for maintaining the normal physiological functions of cells. In the tissue damage repair experiment, the addition of collagen IV can accelerate the wound healing process, promote the repair of the damaged basement membrane, enable cells to migrate and proliferate more quickly, and fill the damaged tissue area.

 

Protecting joints and preventing osteoporosis: Animal experiments have shown that collagen IV has a protective effect on joint health. It can enhance the toughness of articular cartilage, reduce its wear and tear, and lower the risk of arthritis. In terms of preventing osteoporosis, collagen IV helps maintain the structural integrity of trabeculae, promotes the metabolic activities of bone cells, and increases bone density. In the experiment, after supplementing the osteoporosis model animals with collagen IV, their bone density increased and the microstructure of the bones was improved.

 

Clinical Data

 

Clinical research has found that in some disease conditions, such as kidney diseases and diabetes, the content of collagen IV in patients' bodies will change. Detecting the level of collagen IV is helpful for the diagnosis of diseases and the monitoring of the condition. In the clinical treatment of wound healing, the use of dressings containing collagen IV can significantly shorten the wound healing time and reduce scar formation. For patients with arthritis, supplementing collagen IV can relieve joint pain and improve joint function. For instance, in a clinical observation of patients with rheumatoid arthritis, some patients supplemented collagen IV on the basis of conventional treatment. After a period of time, their joint pain symptoms were relieved, the degree of joint swelling was reduced, and the patients' ability to take care of themselves in daily life improved.

 

3

 

Type IV Collagen Peptide Fragments: The "Regulatory Switch" of Blood vessels and Tumors

Anti-angiogenesis

α 1-chain peptide Arresten: Inhibits MMP2 activity and blocks tumor angiogenesis [24]

α 3-chain peptide Tumstatin: Interferes with VEGF signaling and inhibits endothelial cell proliferation [30]

α 5-chain peptide Pentastatin1: A concentration of ≥40μg/mL can inhibit the viability of triple-negative breast cancer cells [36]

Anti-tumor migration

Tetrastatin (α4 chain) inhibits melanoma metastasis by blocking the PI3K/Akt pathway [31].

Tissue regeneration

Canstatin (α2 chain) promotes the morphogenesis of submandibular gland epithelial cells [25].

 

 

VI. Hunan Jiayi Collagen Peptide products: High-purity Type I and Type IV collagen

 

Hunan Jiayi's Type I and Type IV series of collagen peptide products come in two types: those from cattle and those from fish. The bovine collagen peptide series products are carefully selected from small molecule peptides derived from bovine skin, bones and tendons, while the fish collagen peptide series products are carefully selected from small molecule peptides derived from fish skin and scales. Among them, the activity of type I and type IV collagen is 100% retained. This high-purity type I collagen can directly act on tendons and muscle fascia, just like installing "shock-absorbing springs" on joints, effectively reducing the impact force on joints during exercise and lowering the risk of sports injuries. It plays an important protective role for sports enthusiasts and people with vulnerable joints.

 

Small molecule peptides are easily absorbed

The molecular weight of Jiayi collagen peptide products is ≤2000 Daltons. The extremely small molecular structure makes it have an extremely high absorption rate, with an absorption rate of over 95%, and the absorption rate is 4 to 15 times higher than that of ordinary collagen peptides. This means that the human body can quickly and effectively absorb the nutrients in it, allowing them to take effect rapidly. Whether it is to replenish the collagen needed by the skin or to promote the repair and regeneration of joint tissues, the results can be seen in a short period of time.

 

0 Added formula

The product adheres to the concept of health and adopts a 0-additive formula that is free of sucrose, hormones and fat. Each bag contains only 35 calories, which is even lower than the calorie content of an apple. Such a formula design makes the product suitable for all kinds of people. Whether it's fitness enthusiasts who are pursuing a "clean diet" during the muscle building period or those who are strictly controlling calorie intake during the fat loss period, they can all drink it with confidence without worrying about additional calorie burdens or the intake of harmful ingredients.

 

VII Conclusion

 

Collagen I and IV play an indispensable role in maintaining human health and preventing and improving various diseases. From the firmness and elasticity of the skin to the firmness and stability of bones and joints, and then to tissue repair and the normal maintenance of cell functions, these two important types of collagen are indispensable. Hunan Jiayi Collagen Peptide series products, with their unique advantages in raw material selection, molecular structure, dosage design and formula optimization, can provide the human body with efficient and safe collagen supplementation, and have remarkable effects in improving skin conditions, protecting joint health and promoting physical recovery. With the continuous deepening of research on collagen and the sustained innovation of related products, it is believed that collagen will play a greater role in the field of human health and bring more benefits to the improvement of people's quality of life.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Send Inquiry