Cytokines & Growth Factors

Cytokines & Growth Factors Background

Available Resources for Cytokines & Growth Factors Research

Creative BioMart leads the field of cytokine and growth factors research and is committed to continually updating our portfolio and resources to provide researchers with cytokine and growth factor-related tools and information to advance the field.

  • Our broad product portfolio includes recombinant proteins, native proteins, protein pre-coupled magnetic beads, cell and tissue lysates, chromatography reagents, GMP proteins, assay kits, and others.
  • We have a team of experienced experts with in-depth knowledge of cytokine and growth factors research. They are committed to providing customized solutions to meet the specific needs of each researcher.
  • In addition, we provide comprehensive resource support, including valuable information on the involved pathways, protein functions, interacting proteins, and more. Our goal is to provide researchers with the necessary resources to enhance the impact of their research endeavors.

About Cytokines & Growth Factors

Cytokines and growth factors are signaling molecules that play crucial roles in cell communication and coordination of various physiological processes in the body. They are proteins or peptides secreted by cells and act as messengers to regulate immune responses, cell growth, differentiation, and tissue repair. Here's an introduction to cytokines and growth factors:


Cytokines are a broad category of small proteins or peptides involved in cell signaling. They are primarily secreted by immune cells, but they can also be produced by various other cell types, including epithelial cells, endothelial cells, and fibroblasts. Cytokines act on specific receptors on target cells and orchestrate immune responses, inflammation, and other biological processes. Some key characteristics of cytokines include:

  • Immunomodulation: Cytokines regulate immune cell development, differentiation, and function. They coordinate the interactions between immune cells, such as T cells, B cells, macrophages, and natural killer (NK) cells.
  • Inflammation: Cytokines are involved in the initiation, propagation, and resolution of inflammatory responses. They can stimulate the migration of immune cells to sites of infection or injury, promote tissue repair, and regulate the production of other cytokines.
  • Pleiotropy: Many cytokines have multiple effects on different cell types and can exert diverse functions depending on the context and microenvironment.
  • Examples: Interleukins (e.g., IL-1, IL-2, IL-6), interferons (e.g., IFN-alpha, IFN-gamma), tumor necrosis factors (e.g., TNF-alpha), and transforming growth factor-beta (TGF-beta) are examples of cytokines.

Cytokines - Creative BioMart

Growth Factors

Growth factors are proteins that regulate cell growth, proliferation, and differentiation. They play crucial roles in development, wound healing, tissue repair, and maintenance of tissue homeostasis. Growth factors are secreted by various cell types and act on specific receptors to induce specific cellular responses. Some key features of growth factors include:

  • Cell Growth and Proliferation: Growth factors stimulate cell division and promote cell growth, ensuring tissue growth and repair. They regulate the cell cycle and control the balance between cell proliferation and differentiation.
  • Tissue Repair and Regeneration: Growth factors play a vital role in wound healing and tissue regeneration. They promote angiogenesis (formation of new blood vessels), stimulate the migration and proliferation of cells involved in tissue repair, and facilitate extracellular matrix remodeling.
  • Examples: Epidermal growth factor (EGF), fibroblast growth factor (FGF), platelet-derived growth factor (PDGF), vascular endothelial growth factor (VEGF), and insulin-like growth factor (IGF) are examples of growth factors.

Growth factors involved in tissue regeneration following a skin lesion, showing the effect on blood cells, fibroblasts and epithelium. -Creative BioMartFig.2 Growth factors involved in tissue regeneration following a skin lesion, showing the effect on blood cells, fibroblasts and epithelium. (Creative BioMart)

Cytokines and growth factors work in concert to regulate various biological processes in the body. They exhibit complex interactions and crosstalk, often influencing each other's actions and modulating cellular responses. Dysregulation of cytokines and growth factors can contribute to the development of diseases such as cancer, autoimmune disorders, and chronic inflammation. Consequently, targeting cytokines and growth factors has become an important therapeutic approach in managing these conditions.

Research and New Advances in Cytokines & Growth Factors

Research in the field of cytokines and growth factors continues to advance our understanding of their roles in health and disease. Here are some recent research trends and new advances in this area:

  • Targeted Therapies: One major focus of research is the development of targeted therapies that modulate cytokine and growth factor signaling pathways. Monoclonal antibodies and small molecule inhibitors are being developed to specifically block or activate particular cytokines or growth factor receptors. These targeted therapies have shown promising results in various diseases, including cancer, autoimmune disorders, and inflammatory conditions.
  • Immunotherapy in Cancer Treatment: Cytokines and growth factors have become important targets for immunotherapy in cancer treatment. Immune checkpoint inhibitors, such as antibodies targeting programmed cell death protein 1 (PD-1) and its ligand PD-L1, have shown remarkable success in enhancing anti-tumor immune responses. Additionally, studies are exploring the use of cytokines, such as interleukin-2 (IL-2) and interleukin-12 (IL-12), to stimulate immune cells and improve anti-cancer immune responses.
  • Tissue Engineering and Regenerative Medicine: Cytokines and growth factors play a crucial role in tissue engineering and regenerative medicine. Researchers are investigating methods to harness these molecules to promote tissue repair and regeneration. Strategies include utilizing growth factors to stimulate the proliferation and differentiation of stem cells, designing biomaterials that release cytokines in a controlled manner to promote tissue healing, and using gene therapy to deliver cytokines and growth factors directly to the site of injury.
  • Role in Neurological Disorders: There is growing interest in understanding the role of cytokines and growth factors in neurological disorders. Studies suggest that dysregulation of these molecules contributes to neuroinflammation, neuronal damage, and neurodegenerative diseases. Researchers are exploring the therapeutic potential of targeting cytokines and growth factors to modulate neuroinflammatory responses and promote neuroprotection.
  • Emerging Cytokines and Growth Factors: Ongoing research is uncovering novel cytokines and growth factors and elucidating their functions. For example, recent studies have identified new members of the interleukin family, such as IL-37 and IL-38, and their potential roles in modulating immune responses and inflammation. Similarly, growth factors such as growth differentiation factor 11 (GDF11) and fibroblast growth factor 21 (FGF21) are being investigated for their effects on tissue regeneration and metabolic disorders.
  • Combination Therapies: Researchers are exploring the potential benefits of combining cytokines or growth factors with other therapeutic approaches. This includes combining cytokines with immune checkpoint inhibitors or chemotherapy agents to enhance anti-tumor immune responses or improve treatment outcomes. Such combination therapies have shown promise in preclinical and clinical studies.

Cell growth factors and cytokines secreted in the tumor microenvironment.Fig.3 Cell growth factors and cytokines secreted in the tumor microenvironment. (Jiang X, et al., 2019)

Advancements in understanding the complex roles of cytokines and growth factors, as well as the development of targeted therapies, hold great promise for improving the treatment of various diseases and advancing regenerative medicine. Ongoing research efforts continue to uncover new insights into the intricate mechanisms of cytokine and growth factor signaling and their therapeutic potential.

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Related References

  1. Jiang X, Wang J, Deng X, et al. Role of the tumor microenvironment in PD-L1/PD-1-mediated tumor immune escape. Mol Cancer. 2019;18(1):10. Published 2019 Jan 15.
  2. Conlon KC, Miljkovic MD, Waldmann TA. Cytokines in the Treatment of Cancer. J Interferon Cytokine Res. 2019;39(1):6-21.
  3. Le THV, Kwon SM. Vascular Endothelial Growth Factor Biology and Its Potential as a Therapeutic Target in Rheumatic Diseases. Int J Mol Sci. 2021;22(10):5387.


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