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Huntington's disease (HD) is caused by a polyglutamine expansion in the disease protein huntingtin. The polyglutamine expansion causes huntingtin to interact abnormally with a number of proteins. However, it is unclear whether, and how, huntingtin-associated proteins are involved in the neurodegeneration in HD. Here, we show that huntingtin-associated(More)
Chronic inflammation-promoted metastasis has been considered as a major challenge in cancer therapy. Pro-inflammatory cytokine TNFα can induce cancer invasion and metastasis associated with epithelial-mesenchymal transition (EMT). However, the underlying mechanisms are not entirely clear. In this study, we showed that TNFα induces EMT in human HCT116 cells(More)
Type IV collagen promotes integrin-mediated cell adhesion, spreading, and motility. Several regions within the triple-helical domain of type IV collagen have been identified as tumor cellular recognition sites. Among these regions, the alpha1(IV)531-543 sequence, designated L-Hep-III, promotes integrin-mediated tumor cell adhesion and directly binds to the(More)
The cysteine protease cathepsin K is believed to play a key role in bone resorption as it has collagenolytic activity and is expressed predominantly and in high levels in bone resorbing osteoclast cells. The addition of nitric oxide (NO) and NO donors to osteoclasts in vitro results in a reduction of bone resorption, although the mechanism of this effect is(More)
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