Growth Factor Proteins

In a broad sense, besides vitamins, growth factors also include bases, purines, pyrimidines, biotins, niacin, etc., and sometimes amino acids required by amino acid-deficient mutants. In the narrow sense, growth factors generally refer to vitamins. A kind of polypeptide that can regulate cell growth and other cell functions by binding to specific, high-affinity cell membrane receptors.


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Growth Factor Proteins Types

Growth Factor Proteins FAQs

  • Q

    What is growth factor protein?

    Growth factors are necessary to regulate the normal growth and metabolism of microorganisms, but they cannot be synthesized by themselves with simple carbon and nitrogen sources. In a broad sense, it includes vitamins, bases, purines, pyrimidines, biotins, niacin, etc. Generally, growth factors are peptide hormones, including insulin, epidermal growth factor (EGF), fibroblast growth factor (FGF), platelet-derived growth factor (PDGF), and somatostatin released by growth hormon (somatostatin=SRIH). It is a kind of polypeptide substance with multiple effects such as regulating cell growth and other cell functions by binding to specific, high-affinity cell membrane receptors. It exists in platelets, various adult and embryonic tissues and most cultured cells, and has certain specificity for different types of cells. Generally, the growth of cultured cells requires the coordination of multiple growth factors. Tumor cells have the characteristics of independent growth factors.

  • Q

    Growth factor proteins function

    Growth factors usually have the functions of stimulating cell proliferation, damage repair and cell differentiation. It is a secreted protein or hormone that plays an important role in regulating intracellular processes. It is an important signal molecule between cells. For example, cytokines and hormones can bind to specific receptors on the surface of target cells.

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