The phrase "a stimulates" is not correct in written English.
It appears to be a fragment and lacks proper context or structure.
Example: "A stimulus stimulates the brain's response to external factors."
Alternatives: "an encourages" or "a provokes".
A single heritable trait (allele A) stimulates its bearer to provide a group benefit, and its eventual spread is conditional on the greater productivity of altruistic groups.
Keeting [ 19] and Schütze [ 20] reported that the silicon-containing compound zeolite (sodium zeolite A) stimulates DNA synthesis in osteoblasts and inhibits osteoclast-mediated bone resorption in vitro.
In one model, Granzyme A stimulates release of ANP32A concurrent with release of the Granzyme A-activated DNase, NM23H1 69, hence suggesting that it may have a role in caspase-independent cell death.
Sweet potatoes provide your body with high quantities of beta carotene, an antioxidant which aids in the production of vitamin A. Vitamin A stimulates the production of oils that hydrate and protect the scalp.
Borman, A. M., Michel, Y. M., Malnou, C. E. & Kean, K. M. Free poly(A) stimulates capped mRNA translation in vitro through the eIF4G-poly(A -binding protein interA -binding
In addition, activin A stimulates extracellular matrix production in hepatic stellate cells and tubulogenesis of sinusoidal endothelial cells, and thus contributes to restoration of tissue architecture during liver regeneration.
Previous studies have shown that Orexin-A stimulates pancreatic fluid and protein release [31].
VEGF-A stimulates physiological as well as pathological angiogenesis by signaling through VEGF receptor (VEGFR -2.
Furthermore, VEGF-A stimulates both membrane and sVEGFR1 expression through VEGFR2 and PKC-dependent pathways [ 94].
In inflammatory neovascularization, VEGF-A stimulates LECs and lymphangiogenesis indirectly via macrophage recruitment [ 18].
VEGF-A stimulates proliferation of ECs as well as survival (Koch and Claesson-Welsh, 2012; Lohela et al., 2009).
