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Helen Diller Family Compr Cancer Ctr
ARIEL F. CASTRO, PHD

Assistant Adjunct Professor, Surgery, UCSF

CONTACT

castroa@surgery.ucsf.edu
(415) 476-2392 (voice)
(415) 502-6779 (fax)

Box 0875, UCSF; San Francisco, CA 94143-0875

EDUCATION

University of Buenos Aires, Argentina, B.Sc., 1988, Biochemistry
University of Buenos Aires, Argentina, B.Sc., 1993, Pharmacy
University of Buenos Aires, Argentina, Ph.D, 1994, Cell Biology
University of Texas Medical Branch, Galveston, TX, post-doc, 1995-1998, Molecular Biology
Indiana University School of Medicine, Indianapolis, IN, post-doc, 1998-2001, Cell signaling

PROFESSIONAL EXPERIENCE

09/05-present

Assistant Adjunct Professor, Dept. of Surgery, University of California, San Francisco, CA

02/05-08/05

Assistant Research Professor, Dept. of Microbiology & Immunology and Walther Oncology Center, Indiana University School of Medicine, Indianapolis, IN

10/04-01/05

Assistant Research Professor, Dept. of Biochemistry & Molecular Biology, Indiana University School of Medicine, Indianapolis, IN

06/01-09/04

Assistant Scientist, Dept. of Biochemistry & Molecular Biology, Indiana University School of Medicine, Indianapolis, IN

08/98-05/01

Postdoctoral Fellow, Dept. of Biochemistry & Molecular Biology, Indiana University School of Medicine, Indianapolis, IN

1995-07/98

Postdoctoral Fellow, Department of Physiology & Biophysics, University of Texas Medical Branch, Galveston, TX.

1990-1994

Teaching Assistant, Department of Human Biological Chemistry, University of Buenos Aires, Argentina.

1989-1994

Fellow of the National Research Council of Argentina (CONICET), Institute of Cardiology Research, University of Buenos Aires, Argentina.

1984-86

Laboratory Technician Assistant, Railroad Workers Hospital, Buenos Aires, Argentina.

HONORS & AWARDS

2000

Federation of American Societies for Experimental Biology (FASEB), Invitation for research presentation at the FASEB SUMMER RESEARCH CONFERENCE: The Ras superfamily of small GTP-binding proteins, Snowmass, Colorado

1995

Doctoral Thesis Distinction, Faculty of Pharmacy and Biochemistry (ASESIT), University of Buenos Aires, Argentina

1993

Mexican Society of Biophysics Award for research, presentation at the Iberoamerican meeting of Biophysics, Puebla, Mexico

1989-1994

Graduate Student Fellowship of the National Research Council of Argentina

1989

Pan American Society of Dialysis and Transplant Award for research presentation at the Annual meeting of the Pan American Society of Dialysis and Transplant, Puerto Rico.

1986-1988

Student Fellowship of the National Institute of Pharmacology, Argentina

SELECTED PUBLICATIONS

Amorena, C. E., Castro, A. F., Muller, A., and Villamil, M. F. Direct vascular effects in the rat of the vehicles used for the intravenous and oral administration of cyclosporin A. Clinical Science, 79:149-154, 1990.

Amorena, C. E., and Castro, A. F. Control of proximal tubule acidification by the endothelium of the peritubular capillaries. Am. J. Physiol. 41:R691-R694, 1997.

Castro, A. F., Altenberg, G. A. Inhibition of drug transport by Genistein in multidrug-resistant cells expressing P-glycoprotein. Biochem. Pharmacol. 53:89-93, 1997.

Horton, J. K., Thimmaiah, K. N., Altenberg, G. A., Castro, A. F., Germain, G. S., Gowda, G. K., and Houghton, P. J. Characterization of a novel bis-acridone and comparison with PSC-833 as a potent and poorly reversible modulator of P-glycoprotein. Molecular Pharmacol. 52:948-957, 1997.

Castro, A. F., Amorena, C. E., Muller, A., Ottaviano, G., Tellez-Inon, M. T., and Taquini, A. C. Regulation of cGMP levels by protein kinase C in vascular endothelial cells. Am. J. Physiol. 275:C113-C119, 1998.

Vanoye, C. G., Castro, A. F., Pourcher, T., Reuss, L., and Altenberg, G. A. Phosphorylation of P-glycoprotein by PKA and PKC modulates swelling activated Chloride channels by different mechanisms. Am. J. Physiol. 276: C370-8, 1999.

Wang, C., Castro, A. F., Wilkes, D., Altenberg, G. A. Expression and purification of the first nucleotide-binding domain and linker region of MDR1: comparison of fusions to glutathione-S-transferase, thioredoxin, and maltose-binding protein. Biochem J. 338:77-81, 1999.

Quilliam, L.A., Castro, A.F., Rogers-Graham, K.S., Martin, C.B., Der, C.J., and Bi, C. M-Ras/R-Ras3, a transforming ras protein regulated by Sos1, GRF1, and p120 Ras GTPase-activating protein, interacts with the putative Ras effector AF6. J Biol Chem. 274:23850-7, 1999.

Castro, A.F., Rebun, J.F., and Quilliam, L.Q. Identification of guanine nucleotide exchange factors for the Rap1 GTPase: regulation of MR-GEF by M-Ras-GTP interaction. J. Biol. Chem. 275:34901-34908, 2000.

Castro, A. F., Horton, J., Vanoye, C., Altenberg, G.A. Mechanism of inhibition of P-glycoprotein-mediated drug transport by protein kinase C blockers. Biochem. Pharmacol. 58:1723-1733, 1999.

Quilliam, L. A., Rebhun, J. F., Zong, H., and Castro, A. F. Analyses of M-Ras/R-Ras3 Signaling and Biology. Methods Enzymol 333:187-202, 2001

Wilkes, D.M., Wang, C., Aristimuno, P., Castro, A.F., and Altenberg, G.A. Nucleotide triphosphatase activity of the N-terminal nucleotide-binding domains of the multidrug resistance proteins P-glycoprotein and MRP1. Biochem. Biophys. Res. Commun. 296:388-394, 2002.

Quilliam, L. A., Rebhun, J. F., and Castro, A. F. A growing family of guanine nucleotide exchange factors is responsible for activation of Ras family GTPases. Prog Nucleic Acid Res Mol Biol. 71:391-444, 2002.

Castro, A. F. , Rebhun, J. F., Clark, G. J., and Quilliam, L. A. Rheb binds TSC2 and promotes S6 kinase activation in a rapamycin- and farnesylation-dependent manner. J. Biol. Chem. 278(35):32493-6, 2003.

Felekkis, K. N., Narsimhan, R. P., Near, R., Castro, A. F., Zheng, Y., Quilliam, L. A., and Lerner, A. AND-34 activates Phosphatidylinositol 3-kinase and induces anti-estrogen resistance in a SH2 and GDP exchange factor-like domain-dependent manner. Mol Cancer Res. 3:32-41, 2005.

Castro, A.F., Rebhun, J.F., Quilliam L.A. Measuring Ras-family GTP levels in vivo-running hot and cold. Methods. 37:190-6, 2005

Yu, L., Asuri, S., Rebhun, J.F., Castro, A.F., Paranavitana, N.C., and Quilliam, L.A. The Rap1 guanine nucleotide exchange factor, Epac2, couples cyclic AMP and Ras signals at the plasma membrane. J Biol Chem. Epub ahead of print Nov 29, 2005.

12/8/05

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