Mathew J Joseph

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Members of Snail family of transcription factors play an important role in oral cancer progression by inducing epithelial-mesenchymal transition, by promoting invasion and by increasing matrix metalloproteinase (MMP) expression. Although Snail (Snai1) is the best characterized and the most extensively studied member of this family, the role and regulation(More)
Aberrant expression of N-cadherin is associated with tumor progression in squamous cell carcinomas (SCCs). Consequently, we examined the regulation of N-cadherin by TGFbeta1, an important mediator of keratinocyte and SCC function. N-cadherin expression was increased in oral SCC (OSCC) cell lines, regulating motility and correlating with TGFbeta1 production.(More)
Oral squamous cell carcinoma (OSCC), which is the most common malignancy of the oral cavity, is often associated with local and regional invasion. Increased expression of matrix metalloproteinase-9 (MMP-9) is correlated with invasive behavior of OSCC. Because transforming growth factor beta1 (TGF-beta1) is up-regulated in OSCC tumors, we examined the(More)
Environmental agents have long been thought to be linked to the development of malignancies. Due to the difficulty in identifying and verifying exposures to such agents, only a few chemical compounds are clearly linked to malignancies. We report here the case of a 36-year-old man with pre-B cell acute lymphoblastic leukemia. This patient was using(More)
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