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A growth factor is a naturally occurring substance capable of stimulating cell proliferation, wound healing, and occasionally cellular differentiation. [1] Usually it is a secreted protein or a steroid hormone. Growth factors are important for regulating a variety of cellular processes. Growth factors typically act as signaling molecules ...
The [N 1/2 /4] term is the column factor, the [(α-1)/α] term is the thermodynamic factor, and the [k 2 '/(1+k 2 ')] term is the retention factor. The 3 factors are not completely independent, but they are very close, and can be treated as such.
Platelet-derived growth factor (PDGF) is one among numerous growth factors that regulate cell growth and division.In particular, PDGF plays a significant role in blood vessel formation, the growth of blood vessels from already-existing blood vessel tissue, mitogenesis, i.e. proliferation, of mesenchymal cells such as fibroblasts, osteoblasts, tenocytes, vascular smooth muscle cells and ...
Hematopoietic growth factor is a group of glycoproteins that causes blood cells to grow and mature (Haematopoiesis). "A group of at least seven substances involved in the production of blood cells, including several interleukins and erythropoietin."
Charge transfer coefficient, and symmetry factor (symbols α and β, respectively) are two related parameters used in description of the kinetics of electrochemical reactions. They appear in the Butler–Volmer equation and related expressions.
Growth differentiation factor 11 (GDF11), also known as bone morphogenetic protein 11 (BMP-11), is a protein that in humans is encoded by the growth differentiation factor 11 gene. [5] GDF11 is a member of the Transforming growth factor beta family. [6] GDF11 acts as a cytokine and its sequence is highly conserved between in humans, mice and ...
A growth curve is an empirical model of the evolution of a quantity over time. Growth curves are widely used in biology for quantities such as population size or biomass (in population ecology and demography , for population growth analysis), individual body height or biomass (in physiology , for growth analysis of individuals).
The bone morphogenetic proteins and the growth differentiation factors; The activin and inhibin subfamilies; The left-right determination factors; A group encompassing various divergent members; Transforming growth factor-beta (TGF-beta) [6] is a multifunctional peptide that controls proliferation, differentiation and other functions in many ...