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- W2109157083 endingPage "77" @default.
- W2109157083 startingPage "69" @default.
- W2109157083 abstract "Background: Composed of endocardial endothelial, valvular interstitial, cardiac muscle, and smooth muscle cells (SMC), heart valves are prone to various pathologic conditions the morphology of which has been well described. The morphology of diseased valves suggest that the “response to injury” process occurs in these valves, and is associated with an accumulation of interstitial cells and matrix, valvular inflammation and calcification, conditions that lead to dysfunction. The purpose of this study is to describe the current knowledge of the regulation of the valvular “response to injury” process, since we feel that this paradigm is essential to understanding valve disease. Methods: The pertinent literature relating to the cell and molecular biology of valvular repair, and specifically interstitial cell function in valve repair, is reviewed. Results: The cell and molecular biology of valve interstitial cells are poorly understood. Molecules regulating some of the aspects of the “response to injury” process have been studied, however, the signal transduction pathways, gene activation, and interactions of bioactive molecules with each other, with cells, and with the matrix have not been characterized. Initial studies identify the cell and molecular biology of interstitial cells to be an important area of research. Agents that have been studied include nitric oxide (NO) and FGF-2 and several matrix-related proteins including osteopontin. The present review suggests several directions for future study and a working model of valvular repair is presented. Discussion: The regulation of the “response to injury” process in the human heart valve is still largely unknown. The cell and molecular events and processes that occur in heart valve function and repair remain poorly understood. These events and processes are vital to our understanding of the pathobiology of heart valve disease, and to the successful design of tissue engineered replacement valves." @default.
- W2109157083 created "2016-06-24" @default.
- W2109157083 creator A5025369816 @default.
- W2109157083 creator A5059546406 @default.
- W2109157083 date "2002-03-01" @default.
- W2109157083 modified "2023-10-13" @default.
- W2109157083 title "Advances towards understanding heart valve response to injury" @default.
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