MEDICAL SERVICES

Departments

Languages

  • English

EDUCATION

Medical School

  • Boston University School of Medicine , 1977 , Boston , MA

Internship

  • Boston City Hospital , 1978 , Boston , MA

Residency

  • Boston City Hospital , 1980 , Boston , MA

Fellowship

  • Boston Children's Hospital , 1987 , Boston , MA

CERTIFICATIONS

  • American Board of Pediatrics, General Pediatrics

PUBLICATIONS

Publications powered by Harvard Catalyst Profiles

  1. Cholera Toxin as a Probe for Membrane Biology. Toxins (Basel). 2021 08 03; 13(8). View abstract
  2. Small-molecule modulators of INAVA cytosolic condensate and cell-cell junction assemblies. J Cell Biol. 2021 Sep 06; 220(9). View abstract
  3. Ceramide structure dictates glycosphingolipid nanodomain assembly and function. Nat Commun. 2021 06 16; 12(1):3675. View abstract
  4. Evolution and function of the epithelial cell-specific ER stress sensor IRE1ß. Mucosal Immunol. 2021 Jun 01. View abstract
  5. Extracellular cyclic dinucleotides induce polarized responses in barrier epithelial cells by adenosine signaling. Proc Natl Acad Sci U S A. 2020 11 03; 117(44):27502-27508. View abstract
  6. A Quantitative Single-cell Flow Cytometry Assay for Retrograde MembraneTrafficking Using Engineered Cholera Toxin. Bio Protoc. 2020 Aug 05; 10(15):e3707. View abstract
  7. Everything Illuminated-Clostridium perfringens ß-toxin. . 2020 07 08; 28(1):5-6. View abstract
  8. Structured clustering of the glycosphingolipid GM1 is required for membrane curvature induced by cholera toxin. Proc Natl Acad Sci U S A. 2020 06 30; 117(26):14978-14986. View abstract
  9. Conjugation of peptides to short-acyl-chain ceramides for delivery across mucosal cell barriers. Bioorg Med Chem Lett. 2020 04 15; 30(8):127014. View abstract
  10. IRE1ß negatively regulates IRE1a signaling in response to endoplasmic reticulum stress. J Cell Biol. 2020 Feb 03; 219(2). View abstract
  11. A quantitative single-cell assay for retrograde membrane traffic enables rapid detection of defects in cellular organization. Mol Biol Cell. 2020 03 19; 31(7):511-519. View abstract
  12. A modified cholera toxin B subunit containing an ER retention motif enhances colon epithelial repair via an unfolded protein response. FASEB J. 2019 12; 33(12):13527-13545. View abstract
  13. INAVA-ARNO complexes bridge mucosal barrier function with inflammatory signaling. Elife. 2018 10 25; 7. View abstract
  14. Transcytosis Assay for Transport of Glycosphingolipids across MDCK-II Cells. Bio Protoc. 2018 10 20; 8(20). View abstract
  15. Transcytosis Assay for Transport of Glycosphingolipids across MDCK-II Cells. Bio Protoc. 2018 Oct 20; 8(20):e2018. View abstract
  16. CRISPR Screen Reveals that EHEC's T3SS and Shiga Toxin Rely on Shared Host Factors for Infection. mBio. 2018 06 19; 9(3). View abstract
  17. Mucosal absorption of therapeutic peptides by harnessing the endogenous sorting of glycosphingolipids. Elife. 2018 05 31; 7. View abstract
  18. Advances in Evaluation of Chronic Diarrhea in Infants. Gastroenterology. 2018 Jun; 154(8):2045-2059.e6. View abstract
  19. Retraction Notice to: The Unfolded Protein Response Element IRE1a Senses Bacterial Proteins Invading the ER to Activate RIG-I and Innate Immune Signaling. . 2018 04 11; 23(4):571. View abstract
  20. Membrane Transport across Polarized Epithelia. Cold Spring Harb Perspect Biol. 2017 Sep 01; 9(9). View abstract
  21. Hepatic FcRn regulates albumin homeostasis and susceptibility to liver injury. Proc Natl Acad Sci U S A. 2017 04 04; 114(14):E2862-E2871. View abstract
  22. A targeted RNAi screen identifies factors affecting diverse stages of receptor-mediated transcytosis. J Cell Biol. 2017 02; 216(2):511-525. View abstract
  23. Aquaporin-3 mediates hydrogen peroxide-dependent responses to environmental stress in colonic epithelia. Proc Natl Acad Sci U S A. 2017 01 17; 114(3):568-573. View abstract
  24. Glycolipid Crosslinking Is Required for Cholera Toxin to Partition Into and Stabilize Ordered Domains. Biophys J. 2016 Dec 20; 111(12):2547-2550. View abstract
  25. CellMapper: rapid and accurate inference of gene expression in difficult-to-isolate cell types. Genome Biol. 2016 09 29; 17(1):201. View abstract
  26. Opening CFTR in the Intestine: Flushing on Demand. Cell Mol Gastroenterol Hepatol. 2016 May; 2(3):256. View abstract
  27. Microbial sphingomyelinase induces RhoA-mediated reorganization of the apical brush border membrane and is protective against invasion. Mol Biol Cell. 2016 Apr 01; 27(7):1120-30. View abstract
  28. Electrophysiological Studies into the Safety of the Anti-diarrheal Drug Clotrimazole during Oral Rehydration Therapy. PLoS Negl Trop Dis. 2015 Sep; 9(9):e0004098. View abstract
  29. Congenital chloride-losing diarrhea in a Mexican child with the novel homozygous SLC26A3 mutation G393W. Front Physiol. 2015; 6:179. View abstract
  30. Innate immunity at mucosal surfaces: the IRE1-RIDD-RIG-I pathway. Trends Immunol. 2015 Jul; 36(7):401-9. View abstract
  31. FcRn: The Architect Behind the Immune and Nonimmune Functions of IgG and Albumin. J Immunol. 2015 May 15; 194(10):4595-603. View abstract
  32. Microtubule motors power plasma membrane tubulation in clathrin-independent endocytosis. Traffic. 2015 Jun; 16(6):572-90. View abstract
  33. 4-Phenylbutyrate attenuates the ER stress response and cyclic AMP accumulation in DYT1 dystonia cell models. PLoS One. 2014; 9(11):e110086. View abstract
  34. Remodeling of the intestinal brush border underlies adhesion and virulence of an enteric pathogen. mBio. 2014 Aug 19; 5(4). View abstract
  35. Mechanism for adhesion G protein-coupled receptor GPR56-mediated RhoA activation induced by collagen III stimulation. PLoS One. 2014; 9(6):e100043. View abstract
  36. Unsaturated glycoceramides as molecular carriers for mucosal drug delivery of GLP-1. J Control Release. 2014 Feb 10; 175:72-8. View abstract
  37. Neonatal Fc receptor expression in dendritic cells mediates protective immunity against colorectal cancer. Immunity. 2013 Dec 12; 39(6):1095-107. View abstract
  38. Fc-fusion proteins and FcRn: structural insights for longer-lasting and more effective therapeutics. Crit Rev Biotechnol. 2015 Jun; 35(2):235-54. View abstract
  39. Ganglioside GM1-mediated transcytosis of cholera toxin bypasses the retrograde pathway and depends on the structure of the ceramide domain. J Biol Chem. 2013 Sep 06; 288(36):25804-25809. View abstract
  40. Multivalent immune complexes divert FcRn to lysosomes by exclusion from recycling sorting tubules. Mol Biol Cell. 2013 Aug; 24(15):2398-405. View abstract
  41. The unfolded protein response element IRE1a senses bacterial proteins invading the ER to activate RIG-I and innate immune signaling. . 2013 May 15; 13(5):558-569. View abstract
  42. A single native ganglioside GM1-binding site is sufficient for cholera toxin to bind to cells and complete the intoxication pathway. mBio. 2012 Oct 30; 3(6). View abstract
  43. Lipid sorting by ceramide structure from plasma membrane to ER for the cholera toxin receptor ganglioside GM1. Dev Cell. 2012 Sep 11; 23(3):573-86. View abstract
  44. The immunologic functions of the neonatal Fc receptor for IgG. J Clin Immunol. 2013 Jan; 33 Suppl 1:S9-17. View abstract
  45. Cross-presentation of IgG-containing immune complexes. Cell Mol Life Sci. 2013 Apr; 70(8):1319-34. View abstract
  46. Insights on the trafficking and retro-translocation of glycosphingolipid-binding bacterial toxins. Front Cell Infect Microbiol. 2012; 2:51. View abstract
  47. Eliciting mucosal immunity. N Engl J Med. 2011 Sep 22; 365(12):1151-3. View abstract
  48. To translocate or not: that is the problem. . 2011 Sep 15; 10(3):179-80. View abstract
  49. Discovery of dual-action membrane-anchored modulators of incretin receptors. PLoS One. 2011; 6(9):e24693. View abstract
  50. Intracellular phosphatidylserine is essential for retrograde membrane traffic through endosomes. Proc Natl Acad Sci U S A. 2011 Sep 20; 108(38):15846-51. View abstract
  51. TorsinA participates in endoplasmic reticulum-associated degradation. Nat Commun. 2011 Jul 12; 2:393. View abstract
  52. Neonatal Fc receptor for IgG (FcRn) regulates cross-presentation of IgG immune complexes by CD8-CD11b+ dendritic cells. Proc Natl Acad Sci U S A. 2011 Jun 14; 108(24):9927-32. View abstract
  53. The zebrafish dag1 mutant: a novel genetic model for dystroglycanopathies. Hum Mol Genet. 2011 May 01; 20(9):1712-25. View abstract
  54. Functional analysis of VopF activity required for colonization in Vibrio cholerae. mBio. 2010 Dec 07; 1(5). View abstract
  55. Intoxication of zebrafish and mammalian cells by cholera toxin depends on the flotillin/reggie proteins but not Derlin-1 or -2. J Clin Invest. 2010 Dec; 120(12):4399-4409. View abstract
  56. Neonatal Fc receptor: from immunity to therapeutics. J Clin Immunol. 2010 Nov; 30(6):777-89. View abstract
  57. Cholera toxin: an intracellular journey into the cytosol by way of the endoplasmic reticulum. Toxins (Basel). 2010 03; 2(3):310-25. View abstract
  58. Selective translocation of the Bordetella pertussis adenylate cyclase toxin across the basolateral membranes of polarized epithelial cells. J Biol Chem. 2010 Apr 02; 285(14):10662-70. View abstract
  59. N-terminal extension of the cholera toxin A1-chain causes rapid degradation after retrotranslocation from endoplasmic reticulum to cytosol. J Biol Chem. 2010 Feb 26; 285(9):6145-52. View abstract
  60. An FcRn-dependent role for anti-flagellin immunoglobulin G in pathogenesis of colitis in mice. Gastroenterology. 2009 Nov; 137(5):1746-56.e1. View abstract
  61. Immune and non-immune functions of the (not so) neonatal Fc receptor, FcRn. Semin Immunopathol. 2009 Jul; 31(2):223-36. View abstract
  62. The recycling and transcytotic pathways for IgG transport by FcRn are distinct and display an inherent polarity. J Cell Biol. 2009 May 18; 185(4):673-84. View abstract
  63. N-Glycan Moieties in Neonatal Fc Receptor Determine Steady-state Membrane Distribution and Directional Transport of IgG. J Biol Chem. 2009 Mar 27; 284(13):8292-300. View abstract
  64. Ceramide activates JNK to inhibit a cAMP-gated K+ conductance and Cl- secretion in intestinal epithelia. FASEB J. 2009 Jan; 23(1):259-70. View abstract
  65. Patching a leaky intestine. N Engl J Med. 2008 Jul 31; 359(5):526-8. View abstract
  66. Dependence of antibody-mediated presentation of antigen on FcRn. Proc Natl Acad Sci U S A. 2008 Jul 08; 105(27):9337-42. View abstract
  67. Attenuated endocytosis and toxicity of a mutant cholera toxin with decreased ability to cluster ganglioside GM1 molecules. Infect Immun. 2008 Apr; 76(4):1476-84. View abstract
  68. Conversion of apical plasma membrane sphingomyelin to ceramide attenuates the intoxication of host cells by cholera toxin. Cell Microbiol. 2008 Jan; 10(1):67-80. View abstract
  69. Derlin-1 facilitates the retro-translocation of cholera toxin. Mol Biol Cell. 2008 Mar; 19(3):877-84. View abstract
  70. Ca2+-dependent calmodulin binding to FcRn affects immunoglobulin G transport in the transcytotic pathway. Mol Biol Cell. 2008 Jan; 19(1):414-23. View abstract
  71. The HA proteins of botulinum toxin disrupt intestinal epithelial intercellular junctions to increase toxin absorption. Cell Microbiol. 2008 Feb; 10(2):355-64. View abstract
  72. Rafting with cholera toxin: endocytosis and trafficking from plasma membrane to ER. FEMS Microbiol Lett. 2007 Jan; 266(2):129-37. View abstract
  73. How the controller is controlled - neonatal Fc receptor expression and immunoglobulin G homeostasis. Immunology. 2007 Feb; 120(2):145-7. View abstract
  74. IgG transport across mucosal barriers by neonatal Fc receptor for IgG and mucosal immunity. Springer Semin Immunopathol. 2006 Dec; 28(4):397-403. View abstract
  75. Neonatal Fc receptor for IgG regulates mucosal immune responses to luminal bacteria. J Clin Invest. 2006 Aug; 116(8):2142-2151. View abstract
  76. Protein disulfide isomerase-like proteins play opposing roles during retrotranslocation. J Cell Biol. 2006 Jun 19; 173(6):853-9. View abstract
  77. Myosin light chain phosphorylation regulates barrier function by remodeling tight junction structure. J Cell Sci. 2006 May 15; 119(Pt 10):2095-106. View abstract
  78. The Cdc42 inhibitor secramine B prevents cAMP-induced K+ conductance in intestinal epithelial cells. Biochem Pharmacol. 2006 Jun 14; 71(12):1720-6. View abstract
  79. The viral E3 ubiquitin ligase mK3 uses the Derlin/p97 endoplasmic reticulum-associated degradation pathway to mediate down-regulation of major histocompatibility complex class I proteins. J Biol Chem. 2006 Mar 31; 281(13):8636-44. View abstract
  80. A biochemical method for tracking cholera toxin transport from plasma membrane to Golgi and endoplasmic reticulum. Methods Mol Biol. 2006; 341:127-39. View abstract
  81. Antibodies in the breakdown lane. Nat Biotechnol. 2005 Oct; 23(10):1232-4. View abstract
  82. Raft trafficking of AB5 subunit bacterial toxins. Biochim Biophys Acta. 2005 Dec 30; 1746(3):314-21. View abstract
  83. Calnexin and ERp57 facilitate the assembly of the neonatal Fc receptor for IgG with beta 2-microglobulin in the endoplasmic reticulum. J Immunol. 2005 Jul 15; 175(2):967-76. View abstract
  84. Role of p97 AAA-ATPase in the retrotranslocation of the cholera toxin A1 chain, a non-ubiquitinated substrate. J Biol Chem. 2005 Jul 29; 280(30):28127-32. View abstract
  85. Characterization of the porcine neonatal Fc receptor--potential use for trans-epithelial protein delivery. Immunology. 2005 Apr; 114(4):542-53. View abstract
  86. Signal transduction by bacterial proteins. J Pediatr Gastroenterol Nutr. 2005 Apr; 40 Suppl 1:S33-4. View abstract
  87. Endocytosis of cholera toxin by human enterocytes is developmentally regulated. Am J Physiol Gastrointest Liver Physiol. 2005 Aug; 289(2):G332-41. View abstract
  88. Ganglioside GD1a restores infectibility to mouse cells lacking functional receptors for polyomavirus. J Virol. 2005 Jan; 79(1):615-8. View abstract
  89. Entry of protein toxins into mammalian cells by crossing the endoplasmic reticulum membrane: co-opting basic mechanisms of endoplasmic reticulum-associated degradation. Curr Top Microbiol Immunol. 2005; 300:149-68. View abstract
  90. A passionate kiss, then run: exocytosis and recycling of IgG by FcRn. Trends Cell Biol. 2005 Jan; 15(1):5-9. View abstract
  91. Trafficking of cholera toxin-ganglioside GM1 complex into Golgi and induction of toxicity depend on actin cytoskeleton. . 2004 Nov; 287(5):C1453-62. View abstract
  92. Pulmonary delivery of an erythropoietin Fc fusion protein in non-human primates through an immunoglobulin transport pathway. Proc Natl Acad Sci U S A. 2004 Jun 29; 101(26):9763-8. View abstract
  93. Human neonatal Fc receptor mediates transport of IgG into luminal secretions for delivery of antigens to mucosal dendritic cells. Immunity. 2004 Jun; 20(6):769-83. View abstract
  94. Retrograde transport of cholera toxin from the plasma membrane to the endoplasmic reticulum requires the trans-Golgi network but not the Golgi apparatus in Exo2-treated cells. . 2004 Jun; 5(6):596-601. View abstract
  95. Cholera toxin toxicity does not require functional Arf6- and dynamin-dependent endocytic pathways. Mol Biol Cell. 2004 Aug; 15(8):3631-41. View abstract
  96. Retrograde transport of cholera toxin into the ER of host cells. Int J Med Microbiol. 2004 Apr; 293(7-8):491-4. View abstract
  97. Paneth cell cryptdins act in vitro as apical paracrine regulators of the innate inflammatory response. J Biol Chem. 2004 May 07; 279(19):19902-7. View abstract
  98. Bidirectional transepithelial IgG transport by a strongly polarized basolateral membrane Fcgamma-receptor. Mol Biol Cell. 2004 Apr; 15(4):1746-59. View abstract
  99. Diarrhea-associated HIV-1 APIs potentiate muscarinic activation of Cl- secretion by T84 cells via prolongation of cytosolic Ca2+ signaling. . 2004 May; 286(5):C998-C1008. View abstract
  100. The intracellular voyage of cholera toxin: going retro. Trends Biochem Sci. 2003 Dec; 28(12):639-45. View abstract
  101. Gangliosides that associate with lipid rafts mediate transport of cholera and related toxins from the plasma membrane to endoplasmic reticulm. Mol Biol Cell. 2003 Dec; 14(12):4783-93. View abstract
  102. Gangliosides are receptors for murine polyoma virus and SV40. EMBO J. 2003 Sep 01; 22(17):4346-55. View abstract
  103. Claudin-8 expression in Madin-Darby canine kidney cells augments the paracellular barrier to cation permeation. J Biol Chem. 2003 May 09; 278(19):17350-9. View abstract
  104. Distribution of the IgG Fc receptor, FcRn, in the human fetal intestine. Pediatr Res. 2003 Feb; 53(2):295-301. View abstract
  105. Role of ubiquitination in retro-translocation of cholera toxin and escape of cytosolic degradation. . 2002 Dec; 3(12):1222-7. View abstract
  106. The heavy chain of neonatal Fc receptor for IgG is sequestered in endoplasmic reticulum by forming oligomers in the absence of beta2-microglobulin association. Biochem J. 2002 Nov 01; 367(Pt 3):703-14. View abstract
  107. Receptor-mediated immunoglobulin G transport across mucosal barriers in adult life: functional expression of FcRn in the mammalian lung. J Exp Med. 2002 Aug 05; 196(3):303-10. View abstract
  108. Functional reconstitution of human FcRn in Madin-Darby canine kidney cells requires co-expressed human beta 2-microglobulin. J Biol Chem. 2002 Aug 02; 277(31):28038-50. View abstract
  109. Cryptdin 3 forms anion selective channels in cytoplasmic membranes of human embryonic kidney cells. Am J Physiol Gastrointest Liver Physiol. 2002 May; 282(5):G757-65. View abstract
  110. Uncoupling of the cholera toxin-G(M1) ganglioside receptor complex from endocytosis, retrograde Golgi trafficking, and downstream signal transduction by depletion of membrane cholesterol. J Biol Chem. 2002 May 03; 277(18):16249-56. View abstract
  111. Research agenda for pediatric gastroenterology, hepatology and nutrition: secretion and diarrhea. Report of the North American Society for Pediatric Gastroenterology, Hepatology and Nutrition for the Children's Digestive Health and Nutrition Foundation. J Pediatr Gastroenterol Nutr. 2002; 35 Suppl 3:S246-9. View abstract
  112. Characterization of receptor-mediated signal transduction by Escherichia coli type IIa heat-labile enterotoxin in the polarized human intestinal cell line T84. Infect Immun. 2001 Dec; 69(12):7205-12. View abstract
  113. Vibrio cholerae-induced cellular responses of polarized T84 intestinal epithelial cells are dependent on production of cholera toxin and the RTX toxin. Infect Immun. 2001 Oct; 69(10):6310-7. View abstract
  114. A cholera toxin B-subunit variant that binds ganglioside G(M1) but fails to induce toxicity. J Biol Chem. 2001 Oct 05; 276(40):36939-45. View abstract
  115. A mutant cholera toxin B subunit that binds GM1- ganglioside but lacks immunomodulatory or toxic activity. Proc Natl Acad Sci U S A. 2001 Jul 17; 98(15):8536-41. View abstract
  116. The multiple roles of major histocompatibility complex class-I-like molecules in mucosal immune function. Acta Odontol Scand. 2001 Jun; 59(3):139-44. View abstract
  117. Microbes and microbial Toxins: paradigms for microbial-mucosal toxins. V. Cholera: invasion of the intestinal epithelial barrier by a stably folded protein toxin. Am J Physiol Gastrointest Liver Physiol. 2001 May; 280(5):G781-6. View abstract
  118. Protein disulfide isomerase acts as a redox-dependent chaperone to unfold cholera toxin. Cell. 2001 Mar 23; 104(6):937-48. View abstract
  119. MHC class I-related neonatal Fc receptor for IgG is functionally expressed in monocytes, intestinal macrophages, and dendritic cells. J Immunol. 2001 Mar 01; 166(5):3266-76. View abstract
  120. Cryptdin-3 induces novel apical conductance(s) in Cl- secretory, including cystic fibrosis, epithelia. . 2001 Feb; 280(2):C296-302. View abstract
  121. Microbial invasion across the intestinal epithelial barrier. Pediatr Res. 2001 Jan; 49(1):4-5. View abstract
  122. Association of protease activity in Vibrio cholerae vaccine strains with decreases in transcellular epithelial resistance of polarized T84 intestinal epithelial cells. Infect Immun. 2000 Nov; 68(11):6487-92. View abstract
  123. Floating cholera toxin into epithelial cells: functional association with caveolae-like detergent-insoluble membrane microdomains. Int J Med Microbiol. 2000 Oct; 290(4-5):403-8. View abstract
  124. Heterogeneity of detergent-insoluble membranes from human intestine containing caveolin-1 and ganglioside G(M1). Am J Physiol Gastrointest Liver Physiol. 2000 Jun; 278(6):G895-904. View abstract
  125. Salmonella pathogenesis: the trojan horse or the New York shuttle? Gastroenterology. 2000 Apr; 118(4):803-5. View abstract
  126. Bidirectional FcRn-dependent IgG transport in a polarized human intestinal epithelial cell line. J Clin Invest. 1999 Oct; 104(7):903-11. View abstract
  127. Floating the molecular machinery for t-cell activation. Gastroenterology. 1999 Aug; 117(2):503-5. View abstract
  128. Membrane traffic and the cellular uptake of cholera toxin. Biochim Biophys Acta. 1999 Jul 08; 1450(3):177-90. View abstract
  129. Antigen presentation by intestinal epithelial cells. Immunol Lett. 1999 Jun 15; 69(1):7-11. View abstract
  130. Anthrax toxin entry into polarized epithelial cells. Infect Immun. 1999 Jun; 67(6):3026-30. View abstract
  131. Structural basis for the differential toxicity of cholera toxin and Escherichia coli heat-labile enterotoxin. Construction of hybrid toxins identifies the A2-domain as the determinant of differential toxicity. J Biol Chem. 1999 Feb 12; 274(7):3962-9. View abstract
  132. Mucosal vaccination: "all politics are local". Gastroenterology. 1999 Feb; 116(2):497-9. View abstract
  133. The potassium channel and how it works. Gastroenterology. 1999 Jan; 116(1):216-7. View abstract
  134. Differential activity of cholera toxin and E. coli enterotoxin: construction and purification of mutant and hybrid derivatives. Biochem Soc Trans. 1998 Nov; 26(4):S364. View abstract
  135. Distinct Ca2+- and cAMP-dependent anion conductances in the apical membrane of polarized T84 cells. Am J Physiol. 1998 08; 275(2):C484-95. View abstract
  136. Paneth cells: on the front line or in the backfield? Gastroenterology. 1998 Jun; 114(6):1343-5. View abstract
  137. Ganglioside structure dictates signal transduction by cholera toxin and association with caveolae-like membrane domains in polarized epithelia. J Cell Biol. 1998 May 18; 141(4):917-27. View abstract
  138. Acid secretion, ulcer disease, and cell biology. Gastroenterology. 1998 Mar; 114(3):607-8. View abstract
  139. The antifungal antibiotic, clotrimazole, inhibits chloride secretion by human intestinal T84 cells via blockade of distinct basolateral K+ conductances. Demonstration of efficacy in intact rabbit colon and in an in vivo mouse model of cholera. J Clin Invest. 1997 Dec 15; 100(12):3111-20. View abstract
  140. Induction of epithelial chloride secretion by channel-forming cryptdins 2 and 3. Proc Natl Acad Sci U S A. 1997 Aug 05; 94(16):8585-9. View abstract
  141. Proteolytic activation of cholera toxin and Escherichia coli labile toxin by entry into host epithelial cells. Signal transduction by a protease-resistant toxin variant. J Biol Chem. 1997 Jun 13; 272(24):15562-8. View abstract
  142. Surface expression, polarization, and functional significance of CD73 in human intestinal epithelia. J Clin Invest. 1997 Jun 01; 99(11):2588-601. View abstract
  143. The antifungal antibiotic, clotrimazole, inhibits Cl- secretion by polarized monolayers of human colonic epithelial cells. J Clin Invest. 1996 Nov 01; 98(9):2066-75. View abstract
  144. Role of the glycocalyx in regulating access of microparticles to apical plasma membranes of intestinal epithelial cells: implications for microbial attachment and oral vaccine targeting. J Exp Med. 1996 Sep 01; 184(3):1045-59. View abstract
  145. Carboxy-terminal vesicular stomatitis virus G protein-tagged intestinal Na+-dependent glucose cotransporter (SGLT1): maintenance of surface expression and global transport function with selective perturbation of transport kinetics and polarized expression. J Biol Chem. 1996 Mar 29; 271(13):7738-44. View abstract
  146. Targeting of cholera toxin and Escherichia coli heat labile toxin in polarized epithelia: role of COOH-terminal KDEL. J Cell Biol. 1995 Nov; 131(4):951-62. View abstract
  147. Transcytosis of cholera toxin subunits across model human intestinal epithelia. Proc Natl Acad Sci U S A. 1995 Oct 24; 92(22):10094-8. View abstract
  148. Signal transduction by cholera toxin: processing in vesicular compartments does not require acidification. Am J Physiol. 1995 Oct; 269(4 Pt 1):G548-57. View abstract
  149. The A2b adenosine receptor mediates cAMP responses to adenosine receptor agonists in human intestinal epithelia. J Biol Chem. 1995 Feb 03; 270(5):2387-94. View abstract
  150. Bacterial and host interactions during the biogenesis, toxicity and immunogenicity of Escherichia coli heat-labile enterotoxin. Biochem Soc Trans. 1994 May; 22(2):306-9. View abstract
  151. Heterologous expression of delta F508 CFTR results in decreased sialylation of membrane glycoconjugates. Am J Physiol. 1994 Feb; 266(2 Pt 1):C360-6. View abstract
  152. Monoclonal immunoglobulin A antibodies directed against cholera toxin prevent the toxin-induced chloride secretory response and block toxin binding to intestinal epithelial cells in vitro. Infect Immun. 1993 Dec; 61(12):5271-8. View abstract
  153. Entry of cholera toxin into polarized human intestinal epithelial cells. Identification of an early brefeldin A sensitive event required for A1-peptide generation. J Clin Invest. 1993 Dec; 92(6):2941-51. View abstract
  154. Mechanism of cholera toxin action on a polarized human intestinal epithelial cell line: role of vesicular traffic. J Cell Biol. 1992 Jun; 117(6):1197-1209. View abstract
  155. Cl- secretion in a model intestinal epithelium induced by a neutrophil-derived secretagogue. J Clin Invest. 1992 Jun; 89(6):1938-44. View abstract
  156. Endocytosis of water channels in rat kidney: cell specificity and correlation with in vivo antidiuresis. Am J Physiol. 1990 Dec; 259(6 Pt 1):C920-32. View abstract
  157. Endocytic vesicles from renal papilla which retrieve the vasopressin-sensitive water channel do not contain a functional H+ ATPase. J Cell Biol. 1990 Aug; 111(2):379-89. View abstract
  158. [Characterization of proton pump and osmotic water transport in endocytic vesicles from rat kidney proximal tubule]. Sheng Li Xue Bao. 1990 Apr; 42(2):105-13. View abstract
  159. FITC-dextran as a probe for endosome function and localization in kidney. Am J Physiol. 1990 Feb; 258(2 Pt 1):C309-17. View abstract
  160. Interaction of cholera toxin with cloned human goblet cells in monolayer culture. Am J Physiol. 1990 Jan; 258(1 Pt 1):G96-102. View abstract
  161. Functional colocalization of water channels and proton pumps in endosomes from kidney proximal tubule. J Gen Physiol. 1989 May; 93(5):885-902. View abstract
  162. Endosomes from kidney collecting tubule cells contain the vasopressin-sensitive water channel. Nature. 1988 May 19; 333(6170):268-9. View abstract
  163. Differential binding kinetics of cholera toxin to intestinal microvillus membrane during development. Infect Immun. 1987 Dec; 55(12):3126-30. View abstract
  164. Unionization of house staff. N Engl J Med. 1979 Nov 08; 301(19):1068. View abstract