Troponin T as a marker of differentiation revealed by proteomic analysis in renal arterioles 1 FLORENCE PINET * ,2 , FLORENCE POIRIER † , SÉBASTIEN FUCHS ‡ , PIERRE-LOUIS THARAUX § , MICHEL CARON † , PIERRE CORVOL ‡ , JEAN-BAPTISTE MICHEL || and RAYMONDE JOUBERT-CARON † * INSERM U508, Pasteur Institute, Lille, France; † Protein Biochemistry and Proteomics Laboratory, University of Paris 13, Bobigny, France; ‡ INSERM U36, Collège de France, Paris, France; § INSERM U489, Hopital Tenon, Paris, France; and || INSERM U460, Hopital Bichat, Paris, France 2 Correspondence: INSERM U508, Pasteur Institute, 1 rue du professeur Calmette, 59019 Lille cedex, France. E-mail: florence.pinet@pasteur-lille.fr <h3>SPECIFIC AIMS</h3> Renovascular hypertension is a renin-dependent form of hypertension caused by a stenosis of the renal artery. The renal phenotype is characterized by a recruitment of renin-producing cells. The purpose of this work was to determine the factors and proteins involved in the process of smooth muscle cell differentiation by recruitment of renin-producing cells along the renal afferent arterioles during renovascular hypertension. To understand the molecular mechanisms involved in this process, we used an innovative approach—proteomic analysis to demonstrate differential renal protein expression using an experimental model of renovascular hypertension. <h3>PRINCIPAL
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