Amélie Marquette

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The alpha(2B)-adrenoceptor (alpha(2B)-AR) mediates vasoconstriction and a common polymorphism (+901 Ins/Del), located in the coding region of the human alpha(2B)-AR gene (ADRA2B), has been demonstrated to affect receptor function in vitro. In this study, we have identified a novel polymorphism corresponding to the insertion of 12-nucleotides (GGGACGGCCCTG)(More)
The incidence of cutaneous malignant melanoma, tumors arising from melanocytes, has increased markedly over the past few years in many countries. Although early melanoma is curable through surgical excision, the prognosis of advanced melanoma is very poor, this tumor being resistant to current therapies. Thus there is a need for new therapies to improve the(More)
Melanocytes use BRAF to activate the MAP kinase (MAPK) pathway because CRAF is inhibited by the cyclic AMP (cAMP) pathway in these cells. By contrast, melanomas harboring Ras mutations use CRAF to activate the MAPK pathway. We describe the molecular mechanism of Raf isoform switching and cAMP pathway disruption, which take place during melanocyte(More)
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