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Bone-morphogenetic protein-7 (BMP7) is a well-known anabolic and anti-catabolic growth factor on intervertebral disc (IVD) matrix and cell homeostasis. Similarly, Lactoferricin B (LfcinB) has recently been shown to have pro-anabolic, anti-catabolic, anti-oxidative and/or anti-inflammatory effects in bovine disc cells in vitro. In this study, we investigated the potential benefits of using combined...
Mechanical loads placed on connective tissues alter gene expression in fibroblasts through mechanotransduction mechanisms by which cells convert mechanical signals into cellular biological events, such as gene expression of extracellular matrix components (e.g., collagen). This mechanical regulation of ECM gene expression affords maintenance of connective tissue homeostasis. However, mechanical loads...
Tendinopathy is accompanied by inflammation, tendon matrix degradation, or both. Inflammatory cytokine IL-1β, which is a potent inflammatory mediator, is likely present within the tendon. The purpose of this study was to determine the biological impact of IL-1β on tendon fibroblasts by assessing the expression of cPLA 2 , COX-2, PGE 2 and its receptors (EPs), collagen type-I, and MMPs...
Tendinopathy often involves inflammation and matrix degeneration. The inflammatory mediators such as prostaglandin E 2 (PGE 2 ) and leukotriene B 4 (LTB 4 ) are implicated in the development of tendinopathy. Therefore, the purpose of this study was to determine the effect of PGE 2 and LTB 4 on the proliferation of human patellar tendon fibroblasts (HPTFs),...
While mechanical loading is known to be essential in maintaining tendon homeostasis, repetitive mechanical loading has also been implicated in the etiology of tendon overuse injuries. The purpose of this study was to determine whether cyclic mechanical stretching regulates inflammatory responses induced by interleukin-1β (IL-1β) treatment in human patellar tendon fibroblasts (HPTFs). HPTFs were grown...
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