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- Medical English LInking keywords finder for the PubMed Zipped Archive (ELIZA) -
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309169 occurrences (No.70 in the rank) during 5 years in the PubMed. [no cache]
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344) Experimental EMT induced by exposure of MCF-10A cells to tumor necrosis factor-α (TNF-α) and transforming growth factor-β1 (TGF-β) was partially reversed by treatment with WA but not by its structural analogs withanone or withanolide A.
* Withaferin A inhibits experimental epithelial-mesenchymal transition in MCF-10A cells and suppresses vimentin protein level in vivo in breast tumors.
- We have shown previously that withaferin A (WA), a bioactive component of the medicinal plant Withania somnifera, inhibits growth of cultured and xenografted human breast cancer cells and prevents breast cancer development and pulmonary metastasis incidence in a transgenic mouse model. The present study was undertaken to determine if the anticancer effect of WA involved inhibition of epithelial-mesenchymal transition (EMT). Experimental EMT induced by exposure of MCF-10A cells to tumor necrosis factor-α (TNF-α) and transforming growth factor-β1 (TGF-β) was partially reversed by treatment with WA but not by its structural analogs withanone or withanolide A. Combined TNF-α and TGF-β treatments conferred partial protection against MCF-10A cell migration inhibition by WA. Inhibition of TNF-α and TGF-β-induced MCF-10A cell migration by WA exposure was modestly attenuated by knockdown of E-cadherin protein. MCF-7 and MDA-MB-231 cells exposed to WA exhibited sustained (MCF-7) or transient (MDA-MB-231) induction of E-cadherin protein. On the other hand, the level of vimentin protein was increased markedly after 24 h treatment of MDA-MB-231 cells with WA. WA-induced apoptosis was not affected by vimentin protein knockdown in MDA-MB-231 cells. Protein level of vimentin was significantly lower in the MDA-MB-231 xenografts as well as in MMTV-neu tumors from WA-treated mice compared with controls. The major conclusions of the present study are that (a) WA treatment inhibits experimental EMT in MCF-10A cells, and (b) mammary cancer growth inhibition by WA administration is associated with suppression of vimentin protein expression in vivo.
=>茂み, 成長, 増加, 発展, 栽培, 腫よう, 成長物
Overview of noun growth
The noun growth has 7 senses (first 5 from tagged texts)
1. (37) growth, growing, maturation, development, ontogeny, ontogenesis -- ((biology) the process of
an individual organism growing organically; a purely biological unfolding of events involved in an
organism changing gradually from a simple to a more complex level; "he proposed an indicator of
osseous development in children")
2. (20) growth -- (a progression from simpler to more complex forms; "the growth of culture")
3. (3) increase, increment, growth -- (a process of becoming larger or longer or more numerous or
more important; "the increase in unemployment"; "the growth of population")
4. (3) growth -- (vegetation that has grown; "a growth of trees"; "the only growth was some salt
grass")
5. (1) emergence, outgrowth, growth -- (the gradual beginning or coming forth; "figurines presage
the emergence of sculpture in Greece")
6. growth -- ((pathology) an abnormal proliferation of tissue (as in a tumor))
7. growth -- (something grown or growing; "a growth of hair")
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