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             Mathieu Ferron, PhD 
            Assistant Professor of Medicine 
			 Canada Research Chair in Bone and Energy Metabolism 
                                 
                                 
            Biographical Sketch 
            					 
             After completing his undergraduate degree in Biochemistry at
              the University of Montreal, Dr Ferron joined the laboratory of Dr Jean Vacher
              within the Institut de Recherches Cliniques de Montreal (IRCM). There, he studied
              bone metabolism and in particular the molecular mechanisms regulating the
              differentiation of osteoclasts and completed his PhD in 2006, with focus on inositol
              polyphosphate 4-phosphatases functions in bone remodeling and bone mass. Dr Ferron
              moved to New York in 2006 to join the laboratory of Dr Gerard Karsenty at Columbia
              University as a post-doctoral fellow, where he studied a novel endocrine link between
              bones and glucose metabolism. 
             In 2013, he came back to the Institut de Recherches Cliniques de
              Montreal (IRCM) to start his own laboratory, where he is interested in the function
              of bone as an endocrine organ and in the role of vitamin K in glucose metabolism. His
              primary academic affiliation is with University of Montreal where he currently holds
              an appointment as Assistant Professor within the Faculty of Medicine. 
             Dr Ferron holds the Canada Research Chair in Bone and Energy
              Metabolism. 
			 Click here for pdf CV 
              
            Selected Scientific Contributions 
              
            During is postdoctoral training Dr Ferron became interested in a
             novel endocrine interaction between bones and glucose metabolism. He contributed to
             the discovery that osteocalcin is a bone-derived hormone stimulating insulin secretion
             and insulin sensitivity. He demonstrated that injections or infusions of recombinant
             osteocalcin in mice could be a therapeutic approach for the treatment of diet-induced
             obesity and insulin resistance. Dr Ferron also established that insulin signaling in
             bone cells, in particular in osteoblasts, was implicated in the control of whole body
             glucose homeostasis. Dr Ferron work also includes several studies on bone metabolism,
             in particular on the function and differentiation of osteoclasts and osteoblasts. 
            Click here for PubMed listing 
             
            Research Interests 
              
            Current projects in the laboratory fall into two areas:  
            Endocrine functions of bone and osteocalcin. It
             was discovered recently that bone functions not only as a scaffold for the rest of the
             body, but also as an endocrine organ. Bone cells secrete at least one hormone,
             osteocalcin, produced specifically by osteoblasts, which is implicated in the control
             of glucose metabolism. Our recent work has focused mainly on the regulation of
             osteocalcin activity by other hormones, including insulin, and the effect of
             osteocalcin on insulin secretion and insulin sensitivity. We are now interested in
             identifying and characterizing novel physiological and pathological roles of
             osteocalcin. We are also aiming to isolate additional bone-derived hormone(s), or
             "osteokines", involved in bone endocrine function. 
            Physiological and pathological function of vitamin K and
             γ-carboxylation. The only known biological function of vitamin K is to
             serve as a co-factor for the γ-glutamyl carboxylase (GGCX), an enzyme
             responsible for the conversion of glutamic acid residues (GLU) into 
             γ-carboxyglutamic acid (GLA) residues in specific secreted proteins. This
             posttranslational modification is found in some coagulation factors (prothrombin,
             factor IX, etc.), in MGP, a protein implicated in tissue mineralization, and in
             osteocalcin, a bone-derived hormone affecting glucose metabolism. However, we still
             don't know all the γ-carboxylated proteins and their functions. Recent findings
             in humans and rodents suggest that vitamin K and γ-carboxylation may be involved
             in the control of energy metabolism and the development of obesity and diabetes. Our
             current goal is to address γ-carboxylation function in glucose metabolism in
             vivo through the generation of tissue-specific knockout mice for the enzymes
             implicated in this process. We are also planning to characterize, in a non-bias
             proteomic approach, the "γ-carboxylome" (i.e. identifying all the GLA
             proteins produced in tissues were the γ-glutamyl carboxylase is active). 
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