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Inhibition of the NF-kappaB signalin...

Lupica, Joseph A.

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Inhibition of the NF-kappaB signaling pathway and its effects on apoptosis and cancer.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Inhibition of the NF-kappaB signaling pathway and its effects on apoptosis and cancer./
作者:	Lupica, Joseph A.
面頁冊數:	266 p.
附註:	Source: Dissertation Abstracts International, Volume: 69-07, Section: B, page: 4159.
Contained By:	Dissertation Abstracts International69-07B.
標題:	Biology, Molecular. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3323210
ISBN:	9780549752295

Inhibition of the NF-kappaB signaling pathway and its effects on apoptosis and cancer.
Lupica, Joseph A.

Inhibition of the NF-kappaB signaling pathway and its effects on apoptosis and cancer. - 266 p.

Source: Dissertation Abstracts International, Volume: 69-07, Section: B, page: 4159.

Thesis (Ph.D.)--Cleveland State University, 2008.

The Rel/NF-kappaB family of inducible transcription factors are evolutionarily conserved structurally and functionally, from insects to humans. They are ubiquitously expressed in a number of mature cell types, playing a pivotal role regulating cell growth, differentiation and apoptosis. Under normal circumstances, the proliferation of new cells is tightly regulated, as is the programmed lifespan of most cells. Occasionally however, cells loose their responsiveness to growth control mechanisms, resulting in a tumor or neoplasm. Sustained or chronic inflammation has been linked to a number of pathological conditions that destroy tissue and facilitate neoplastic growth. NF-kappaB in part mediates the opposing signals of cell survival and cell death. We hypothesized that inhibition of NF-kappaB would inhibit tumor cell growth. Several front-line anti-cancer drugs activate NF-kappaB as a result of their mode of action, resulting in the survival of a resistant population of tumor cells. In order to abrogate this beneficial activity for the tumor cell we explore, both in vitro and in vivo, the use of Nitric Oxide to inhibit NF-kappaB, augmenting the efficacy of the anti-neoplastic drugs. Secondly, we identify that the intracellular signaling kinase, Inositol Hexkisphosphate Kinase2 (IHPK2), binds to a key component in the NF-kappaB signaling pathway, inhibiting NF-kappaB activity promoting apoptosis in tumor cells. Lastly, an in depth study investigating the major initiator of pro-inflammatory signaling during bacterial infection of cells by Salmonela sp. was in fact due to recognition of the bacterial protein flagellin by the cell surface receptor Toll-like receptor 5 (TLR5) leading to the activation of NF-kappaB. Flagellin, the product of the bacterial fliC gene which encodes this protein is the major protein constituent of the bacterial flagellar apparatus. Inflammation is a double edged sword. Initially the inflammatory response acts to destroy invading organisms and limit infection while alternatively, inflammation provides the cellular signaling events and growth factors that promote tumor cell survival and growth. There exists a fine balance between the cellular survival and death signal transduction pathways. This dichotomy pinpoints the NF-kappaB signaling pathway at this fulcrum as a potential target in drug development for the treatment of inflammation and inflammatory-mediated disease.

ISBN: 9780549752295Subjects--Topical Terms:

1017719
Biology, Molecular.

Inhibition of the NF-kappaB signaling pathway and its effects on apoptosis and cancer.
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