Biographical Sketch

Alan S. L. Yu, M.B., B.Chir.

Associate Professor of Medicine

 

A.     Education and Training

1983-1986         University of Cambridge, England, B.A. (Honors, Class I), Medical Sciences

1986-1989         University of Cambridge, England, M.B., B.Chir. (Distinction), Medicine

1990-1993         Research Fellow in Nephrology, Brigham & Women's Hospital and Harvard Medical School (Mentors: Jonathan Lytton, Ph.D., Steven C. Hebert, M.D.)

1992-1993         Intern in Internal Medicine, Physician-Scientist Track, Brigham & Women's Hospital

1993-1995         Resident in Internal Medicine, Physician-Scientist Track, Brigham & Women's Hospital

1995-1996         Clinical Fellow in Nephrology, Brigham & Women's Hospital

 

B.     Positions and Honors

1995-2000         Instructor in Medicine, Harvard Medical School

1996-2002         Associate Physician, Brigham & Women's Hospital

2000-2002         Assistant Professor of Medicine, Harvard Medical School

2002-2005         Assistant Professor of Medicine, Physiology and Biophysics, USC Keck School of Medicine

2005-                  Associate Professor of Medicine, Physiology and Biophysics, USC Keck School of Medicine

 

1983                   Entrance Scholarship, Cambridge University

1984                   Junior Scholarship, Cambridge University

1987                   Charles Davis Prize in Medicine, University of London

1989                   Harold Boldero Prize in Medicine, Lyell Prize in Surgery, Hobbiger Prize in Clinical Pharmacology, Hetley Scholarship in Clinical Sciences, & William Henry Rean Graduation Prize, University of London

1989                   Distinction in Medicine, Cambridge University

1990                   M.A. (Honorary), Cambridge University

1991                   Research Fellowship, National Kidney Foundation

1996                   Joseph E. Murray Research Award, National Kidney Foundation

1998                   Carl W. Gottschalk Research Scholar Award, American Society of Nephrology

2000                   Daniel D. Federman Outstanding Clinical Educator Award, Harvard Medical School

2000-2003         Section Editor, Current Opinion in Nephrology and Hypertension

2000-Present    External reviewer, Wellcome Trust Programme Grants (UK)

2001-Present    External Referee Panel, National Kidney Research Fund (UK)

2003                   American Heart Association, Western Review Consortium Committee

2003-2006      Editorial Board, Journal of the American Society of Nephrology (JASN)

2003-Present    Editorial Board, American Journal of Physiology: Renal Physiology

2003                   Ad hoc member, NIH General Medicine B Study Section

2004                   Ad hoc member, VA Nephrology Merit Review Subcommittee

2006-Present   Editorial Board, Journal of Biological Chemistry

2007-Present Regular member, NIH Cellular and Molecular Biology of the Kidney Study Section

 

C.    Peer-Reviewed Publications

1.      Heilig CW, Brenner RM, Yu ASL, Kone BC, Gullans SR. Modulation of osmolytes in MDCK cells by solutes, inhibitors and vasopressin.  Am. J. Physiol. (1990) 259 : F653-659.

2.      Yu ASL, Hebert SC, Brenner BM, Lytton J. Molecular characterization and nephron distribution of the pore-forming subunit of a family of renal Ca2+ channels. Proc. Natl. Acad. Sci. USA. (1992) 89: 10494-10498.

3.      Yu ASL, Hebert SC, Lee S-L, Brenner BM, Lytton J. Identification and localization of the renal Na+-Ca2+ exchanger by the polymerase chain reaction. Am. J. Physiol. (1992) 263: F680-F685.

4.      Lee S-L, Yu ASL, Lytton J. Tissue specific expression of Na+-Ca2+ exchanger isoforms. J. Biol. Chem. (1994) 269: 14849-14852.

5.      Yu ASL, Boim M, Hebert SC, Castellano A, Perez-Reyes E, Lytton J. Molecular characterization of renal calcium channel b subunit transcripts. Am. J. Physiol. (1995) 268: F525-F531.

6.      Van Baal J, Yu ASL, Hartog A, Fransen JAM, Willems PHGM, Lytton J, Bindels RJM. Localization and regulation by vitamin D of calcium transport proteins in rabbit cortical collecting system. Am. J. Physiol. (1996) 271: F985-F993.

7.      Yu ASL: Atypical electrocardiographic changes in severe hyperkalemia. Am J Cardiol 77:906-908, 1996.

8.      Yu ASL, Levy E: Paradoxical cerebral air embolism from a hemodialysis catheter. Am J Kidney Dis 29:453-455, 1997.

9.      Barry ELR, Gesek FA, Yu ASL, Lytton J, Friedman PA. Distinct calcium channel isoforms mediate parathyroid hormone and chlorothiazide-stimulated calcium entry in transporting epithelial cells. J. Memb. Biol. (1998) 161: 55-64.

10.   Luyckx VA, Goda FO, Mount DB, Nishio T, Hall A, Hebert SC, Hammond TG, Yu ASL. Intrarenal and subcellular localization of rat CLC5. Am. J. Physiol. (1998) 275: F761-F769.

11.   Luyckx VA, Leclercq B, Dowland L, Yu ASL. Diet-dependent hypercalciuria in transgenic mice with reduced CLC5 chloride channel expression. Proc. Natl. Acad. Sci. USA. (1999) 96, 12174-12179.

12.   Pavlova A, Sakurai H, Leclercq B, Beier DR, Yu ASL, Nigam SK. Developmentally regulated expression of the organic ion transporters, NKT/mOAT, OCT-1, NLT and Roct during murine embryogenesis. Am. J. Physiol. Renal Physiol. (2000) 278: F635-F643.

13.   Wills NK, Weng T, Mo L, Hellmich HL, Yu ASL, Wang T, Bucheit S, Godley BF. Chloride channel expression in cultured human fetal RPE cells: Response to oxidative stress. Invest. Ophthalm. Vis. Sci. (2000) 41:4247-4255.

14.   Dowland LK, Luyckx VA, Enck AH, Leclercq B, Yu ASL. Molecular cloning and characterization of an intracellular chloride channel in the proximal tubule cell line, LLC-PK1. J. Biol. Chem. (2000) 275: 37765-37773.

15.   Weng TX, Mo L, Hellmich HL, Yu ASL, Wang T, Wills NK. Expression and regulation of ClC-5 chloride channels: Effects of antisense and oxidants. Am J Physiol Cell Physiol (2001) 280: C1511-20.

16.   Enck AH, Berger U, Yu ASL. Claudin-2 is selectively expressed in the proximal nephron in mouse kidney. Am. J. Physiol. Renal Physiol. (2001) 281: F966-74.

17.   TX Weng, BF Godley, GF Jin, NJ Mangini, BG Kennedy, Yu ASL, NK Wills. Chloride channels expressed in human adult retina. Am. J. Physiol. Cell. Physiol. (2002) 283:C839-C849.

18.   Isnard-Bagnis C, Da Silva N, Beaulieu V, Yu ASL, Brown D, Breton S. Detection of the chloride channels ClC-3 and ClC-5 in epithelial cells of the epididymis by immunofluorescence and RT-PCR after laser capture microdissection. Am. J. Physiol. Cell. Physiol.(2003) 284:C220-C232.

19.   Yu ASL, Enck AH, Lencer WI, Schneeberger EE. Functional expression of claudin-8 reveals a role in the paracellular cation barrier. J. Biol. Chem. (2003) 278:17350 -17359.

20.   Li WY, Huey CL, Yu ASL. Expression of claudins 7 and 8 along the mouse nephron. Am. J. Physiol. Renal Physiol. (2004) 286:F1063-F1071.

21.   Huey CL, Riepe FG, Sippell WG, Yu ASL. Genetic heterogeneity in autosomal dominant pseudohypoaldosteronism type I: Exclusion of claudin-8 as a candidate gene. Am J Nephrol. (2004) 24:483-487.

22.   Yu ASL, McCarthy KM, Francis SA, McCormack JM, Lynch RD, Schneeberger EE. Knockdown of occludin expression leads to diverse phenotypic alterations in epithelial cells. Am J Physiol Cell Physiol (2005) 288:C1231-C1241.

23.   Angelow S, Kim KJ, Yu ASL. Claudin-8 modulates paracellular permeability to acidic and basic ions in MDCK II cells. J Physiol 571:15-26, 2006.

24. Van Itallie CM, Rogan S, Yu ASL, Seminario L, Holmes J, Anderson JM. Two splice variants of claudin-10 in the kidney create paracellular pores with different ion selectivities. Am J Physiol Renal Physiol (2006) 291:F1288-1299.

25. Angelow S, Schneeberger EE, Yu ASL. Claudin-8 expression in renal epithelial cells augments the paracellular barrier by replacing endogenous claudin-2. J Memb Biol 215(2-3):147-59, 2007.

25. Angelow S, Schneeberger EE, Yu ASL: Claudin-8 expression in renal epithelial cells augments the paracellular barrier by replacing endogenous claudin-2. J Memb Biol 215(2-3):147-59, 2007.

26. Angelow S, El-Husseini R, Kanzawa SA, Yu ASL: Renal localization and function of the tight junction protein, claudin-19. Am J Physiol Renal Physiol 293(1):F166-77, 2007.

27. S Selvam, PB Thomas, Hovik J Gukasyan, ASL Yu, D Stevenson, MD Trousdale, AK Mircheff, JE Schechter, SC Yiu. Transepithelial bioelectrical properties of rabbit acinar cell monolayers on polyester membrane scaffolds. Am J Physiol Cell Physiol 293:C1412-9, 2007.

28. Scheiermann C, Meda P, Aurrand-Lions M, Madani R, Yiangou Y, Coffey P, Salt TE, Ducrest-Gay D, Caille D, Howell O, Reynolds R, Lobrinus A, Adams RH, Yu ASL, Anand P, Imhof BA, Nourshargh S. Expression and function of junctional adhesion molecule (JAM)-C in myelinated peripheral nerves. Science 318:1472-5, 2007.

29. Hsu CT, Wang ZJ, Yu ASL, Gould RG, Fu Y, Joe BN, Qayyum A, Breiman RS, Coakley FV, Yeh BM: Physiology of renal medullary tip hyperattenuation on unenhanced CT: Urinary specific gravity and the sodium chloride concentration gradient. Radiology 247(1):147-53, 2008.

30. Sabath E, Negoro H, Beaudry S, Paniagua M, Angelow S, Shah J, Grammatikakis N, Yu ASL, Denker BM. Ga12 regulates both maintenance and assembly of tight junctions through Src and the Hsp90 heat shock protein complex. J Cell Sci 121:814-24, 2008.

31. Yu ASL, Kanzawa SA, Usorov A, Lantinga-van Leeuwen IS, Peters DJM. Tight junction composition is altered in the epithelium of polycystic kidneys. J Pathol (in press).

 

D.     Invited Reviews

1.      Brenner BM, Yu ASL: Uremic syndrome revisited: A pathogenetic role for retained endogenous inhibitors of nitric oxide synthesis. Curr Opin Nephrol Hypertens 1:3-7, 1992.

2.      Yu ASL: Calcium channels. Curr Opin Nephrol Hypertens 3:497-503, 1994.

3.      Yu ASL: Identification and localization of calcium channel a1 and b subunit isoforms in the kidney. Kidney Int 48:1097-1101, 1995.

4.      Yu ASL: Paracellular solute transport: more than just a leak? Curr Opin Nephrol Hypertens 9:513-515, 2000.

5.      Yu ASL: Role of ClC-5 in the pathogenesis of hypercalciuria: recent insights from transgenic mouse models. Curr Opin Nephrol Hypertens 10:415-420, 2001.

6.      Yu ASL: Evolving concepts in epithelial magnesium transport. Curr Opin Nephrol Hypertens 10:649-653, 2001.

7.      Yu ASL: Elucidating the structural basis of membrane transport protein function: Light at the end of the channel? Curr Opin Nephrol Hypertens 11:523-526, 2002.

8. Yu ASL: WNK signalling in the distal tubule: An inhibitory cascade regulating salt transport. Am J Physiol Renal Physiol 290:F617-618, 2006.

9. Angelow S, Yu ASL: Claudins and paracellular transport; an update. Curr Opin Nephrol Hypertens, 16(5):459-464, 2007.

10. Angelow S, Ahlstrom R, Yu ASL: Biology of claudins. Am J Physiol Renal Physiol in press.

11. Yu ASL: Molecular basis for cation selectivity in claudin-2-based pores. Ann NY Acad Sci in press.

12. Angelow S, Yu ASL: Cysteine mutagenesis to study the structure of claudin-2 paracellular pores. Ann NY Acad Sci in press.

13. Günzel D, Fromm M, Yu ASL. Function and regulation of claudins in the thick ascending limb of Henle. Pflüger's Arch Eur J Physiol in press.

 

E.     Book Chapters

1.      Yu ASL: Calcium channels. In: Molecular Nephrology: Kidney Function in Health and Disease (Bonventre JV, Schlondorff D [editors]). Marcel Dekker, New York, NY, pp427-438, 1995.

2.      Yu ASL: Disturbances of magnesium metabolism. In: Brenner and Rector's The Kidney (6th edition; Brenner BM [editor]). Saunders, Philadelphia, PA, pp1055-1070, 2000.

3.      Yu ASL, Brenner BM: Tubulointerstitial diseases of the kidney. In: Harrisons Principles of Internal Medicine (15th edition; Braunwald E, et al [editors]). McGraw-Hill, New York, NY, pp1606-1610, 2001.

4.      Smirnakis KV, Yu ASL: Diuretics in acute renal failure. In: Therapy of Nephrology and Hypertension (2nd edition; Wilcox C, Brady HR [editors]). Saunders, Philadelphia, PA, pp33-37, 2003.

6.      Yu ASL: Renal transport of calcium, magnesium and phosphate. In: Brenner and Rector's The Kidney (7th edition; Brenner BM [editor]). Saunders, Philadelphia, PA, Vol. I., pp535-571, 2004.

7.      Pollak M, Yu ASL: Clinical disturbances of calcium, magnesium and phosphate metabolism. In: Brenner and Rector's The Kidney (7th edition; Brenner BM [editor]). Saunders, Philadelphia, PA, pp 1041-1076, 2004.

8.      Yu ASL, Brenner BM: Tubulointerstitial diseases of the kidney. In: Harrisons Principles of Internal Medicine (16th edition; Kasper DL, et al [editors]). McGraw-Hill, New York, NY, pp 1702-1706, 2005.

9. Yu ASL, Denker B: Practice Examination. In: Educational Review Manual in Nephrology (1st edition; Singh A [editor]). Castle Connolly, New York, NY. In press.

10. Yu ASL: Disorders of magnesium and phosphate. In: Cecil Textbook of Medicine (23rd edition; Goldman L, Ausiello D [editors]). Saunders, Philadelphia, PA, pp 859-862, 2007.

11. Yu ASL, Brenner BM: Tubulointerstitial diseases of the kidney. In: Harrisons Principles of Internal Medicine (17th edition; Loscalzo J, et al [editors]). McGraw-Hill, New York, NY. In press.

12. Mount D, Yu ASL: Renal transport of inorganic solutes. In: Brenner and Rector's The Kidney (8th edition; Brenner BM [editor]). Saunders, Philadelphia, PA, pp 156-213, 2007.

13. Pollak MR, Yu ASL, Taylor EN: Disorders of Calcium, Magnesium, and Phosphate Balance. In: Brenner and Rector's The Kidney (8th edition; Brenner BM [editor]). Saunders, Philadelphia, PA, 588-612, 2007.

14. Nadim M, Yu ASL: Diuretics in acute renal failure. In: Therapy of Nephrology and Hypertension (3rd edition; Wilcox C, Berl T, Himmelfarb J, Murphy B, Salant D, Yu ASL [editors]). Saunders, Philadelphia, PA.

F. Books

1. Wilcox C, Berl T, Himmelfarb J, Murphy B, Salant D, Yu ASL (editors). Therapy of Nephrology and Hypertension, 3rd edition. Saunders, Philadelphia, PA. In press.

 

G.     Research Support

ACTIVE

RO1 DK62283-05 (PI: Yu)                                                  7/1/03-6/30/11                                 

NIH-NIDDK                                                                                                                                                  

Expression, function and regulation of renal claudins

 

Grant-In-Aid (PI: Yu)  

PKD Foundation Research                                                 2/1/07-1/31/09  

Role of claudin-7 in chloride and fluid secretion in polycystic kidney disease

 

COMPLETED

 

Pilot Grant (PI: Yu)                                                                      3/1/03-2/28/04                                 

USC NIDDK Research Center for Liver Diseases                                                                                 

Intestinal paracellular barrier function

 

Extramural Grant (PI: Yu)                                                           10/01/01-9/30/04                            

Satellite Research                                                                      

The Molecular Basis of Paracellular Transport in the Renal Tubule

 

Research Grant (PI: Yu)                                                             7/01/02-6/30/03                              

Wright Foundation                                                                      

Functional Properties of a Putative Distal Nephron Paracellular Channel