Growth Factor
Growth Factor
Growth Factor (pronunciation: /ˈɡroʊθ ˈfæk.tər/) is a naturally occurring substance capable of stimulating cellular growth, proliferation, healing, and cellular differentiation.
Etymology
The term "Growth Factor" is derived from the English words "growth", which means the process of increasing in size, and "factor", which refers to a circumstance, fact, or influence that contributes to a result.
Definition
Growth factors are important for regulating a variety of cellular processes. They typically act as signaling molecules between cells. Examples include Cytokines and Hormones that bind to specific receptors on the surface of their target cells.
Types of Growth Factors
There are many types of growth factors, including:
- Epidermal Growth Factor (EGF)
- Fibroblast Growth Factor (FGF)
- Insulin-like Growth Factors (IGFs)
- Nerve Growth Factor (NGF)
- Platelet-derived Growth Factor (PDGF)
- Vascular Endothelial Growth Factor (VEGF)
Function
Growth factors are important in a number of processes, including the regulation of cell survival, proliferation, migration, and differentiation. They can also promote cell division in certain cells, and play a role in wound healing and the maintenance of tissue homeostasis.
Related Terms
External links
- Medical encyclopedia article on Growth Factor
- Wikipedia's article - Growth Factor
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