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|Title:||Role of tumor necrosis factor-α in the pathogenesis of atrial fibrosis and development of an arrhythmogenic substrate||Authors:||Liew, R.
Transforming growth factor-β
Tumor necrosis factor-α
|Issue Date:||2013||Citation:||Liew, R., Khairunnisa, K., Gu, Y., Tee, N., Yin, N.O., Naylynn, T.M., Moe, K.T. (2013). Role of tumor necrosis factor-α in the pathogenesis of atrial fibrosis and development of an arrhythmogenic substrate. Circulation Journal 77 (5) : 1171-1179. ScholarBank@NUS Repository. https://doi.org/10.1253/circj.CJ-12-1155||Abstract:||Background: Although tumor necrosis factor-α (TNF-α) levels are increased in patients with atrial fibrillation (AF), its role in the pathogenesis of AF is unclear. We investigated whether direct delivery of TNF-α could induce atrial fibrosis. Methods and Results: TNF-α (4 μg/kg) was injected into the tail vein of 20 male Swiss albino mice (TNF group) and saline into 20 control mice (CON group). The dose was carefully chosen to avoid any significant decrease in left ventricular (LV) function. Animals were killed after 16 weeks and their atria examined for fibrosis. We found increased atrial fibrosis in the TNF group compared with the CON group [372.8±21.5 arbitrary units (a.u.) vs. 56.9±6.5 a.u., respectively, mean ± SEM; P||Source Title:||Circulation Journal||URI:||http://scholarbank.nus.edu.sg/handle/10635/124708||ISSN:||13469843||DOI:||10.1253/circj.CJ-12-1155|
|Appears in Collections:||Staff Publications|
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