Example sentences for: exposure

How can you use “exposure” in a sentence? Here are some example sentences to help you improve your vocabulary:

  • The first evidence that chemokines are associated with wound healing in vivo was reported in 1990 using the chemokine cCAF (chicken Chemotactic and Angiogenic Factor; the product of the 9E3 gene), a CXC chemokine that is now known to be the ortologue for human IL-8 [ 9 ] . cCAF is expressed to high levels very shortly after wounding and during the first 24-48 hours after injury, and remains elevated for at least 16 days after wounding [ 6 10 ] . It is primarily expressed by the fibroblasts of the granulation tissue, especially where interstitial collagen (Coll) is abundant, but the levels are also high in the endothelial cells of the microvessels, in the healing epidermis and in the connective tissue beneath the skin [ 6 11 ] . In the chicken chorioallantoic membrane (CAM) assay, low concentration of cCAF results in chemotaxis of monocyte/macrophages and lymphocytes and the formation of a granulation-like tissue beneath the chemokine-containing pellet [ 3 ] . After four days of exposure to this chemokine, the ectoderm of the CAMs becomes thickened and the amount of fibrillar collagen in the tissue is markedly increased, strongly suggesting that cCAF is able to initiate some of the primary events that lead to granulation tissue formation [ 3 ] .

  • In addition, LRP6 has been reported to bind Wnt-1 and to associate with Fz in a Wnt-dependent manner [ 8 ] . Taken together, these results support a co-receptor model: upon exposure to Wnts, LRP5 or LRP6 forms a complex with Wnt and Fzs, transducing the Wnt signal downstream to stabilize cytoplasmic β-catenin.

  • [ 21 ] Thus, OSHA's primary recommendation for exposure control contradicted the goals of environmental protection by potentially increasing emissions of methylene chloride to the environment.

  • A report published in the British Medical Journal by a team of Bristol epidemiologists infuriated cancer charities by saying there is "evidence that the potential benefits of exposure to sunlight may outweigh the widely publicised adverse effects on the incidence of skin cancer."

  • The high specific inhibitory activity of wt-PAI-1 could be due to the fact that it was secreted from insect High-5 cells cultured at 27°C, while the fibrosarcoma preparation of PAI-1 was obtained from the medium of fibrosarcoma cells cultured at 37°C [ 20 ] . Exposure to the higher temperature could accelerate the conversion of the inhibitor into its latent form.


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