EDITORIAL FOCUS:

Tamás Ördög

Do we need to revise the role of interstitial cells of Cajal in gastrointestinal motility?
Am J Physiol Gastrointest Liver Physiol 294: G368-G371, 2008; doi:10.1152/ajpgi.00530.2007 [Full Text] [PDF]  

THEMES:

Sören V. Siegmund and Robert F. Schwabe

Endocannabinoids and Liver Disease. II. Endocannabinoids in the pathogenesis and treatment of liver fibrosis
Am J Physiol Gastrointest Liver Physiol 294: G357-G362, 2008. First published November 15, 2007; doi:10.1152/ajpgi.00456.2007 [Abstract] [Full Text] [PDF]  

Caroline A. Parkin and Philip W. Ingham

The Adventures of Sonic Hedgehog in Development and Repair. I. Hedgehog signaling in gastrointestinal development and disease
Am J Physiol Gastrointest Liver Physiol 294: G363-G367, 2008. First published December 6, 2007; doi:10.1152/ajpgi.00457.2007 [Abstract] [Full Text] [PDF]  

INVITED REVIEWS:

Sushil K. Sarna

Are interstitial cells of Cajal plurifunction cells in the gut?
Am J Physiol Gastrointest Liver Physiol 294: G372-G390, 2008. First published October 11, 2007; doi:10.1152/ajpgi.00344.2007 [Abstract] [Full Text] [PDF]  

Kjetil Elvevold, Bård Smedsrød, and Inigo Martinez

The liver sinusoidal endothelial cell: a cell type of controversial and confusing identity
Am J Physiol Gastrointest Liver Physiol 294: G391-G400, 2008. First published December 6, 2007; doi:10.1152/ajpgi.00167.2007 [Abstract] [Full Text] [PDF]  

Vasantha L. Kolachala, Rahul Bajaj, Meghana Chalasani, and Shanthi V. Sitaraman

Purinergic receptors in gastrointestinal inflammation
Am J Physiol Gastrointest Liver Physiol 294: G401-G410, 2008. First published December 6, 2007; doi:10.1152/ajpgi.00454.2007 [Abstract] [Full Text] [PDF]  

TRANSLATIONAL PHYSIOLOGY:

Linda A. Feagins, Hui Ying Zhang, Xi Zhang, Kathy Hormi-Carver, Tojo Thomas, Lance S. Terada, Stuart J. Spechler, and Rhonda F. Souza

Mechanisms of oxidant production in esophageal squamous cell and Barrett's cell lines
Am J Physiol Gastrointest Liver Physiol 294: G411-G417, 2008. First published December 6, 2007; doi:10.1152/ajpgi.00373.2007 [Abstract] [Full Text] [PDF]  

MUCOSAL BIOLOGY:

Carine R. Lussier, Jean-Philippe Babeu, Benoît A. Auclair, Nathalie Perreault, and François Boudreau

Hepatocyte nuclear factor-4 promotes differentiation of intestinal epithelial cells in a coculture system
Am J Physiol Gastrointest Liver Physiol 294: G418-G428, 2008. First published November 21, 2007; doi:10.1152/ajpgi.00418.2007 [Abstract] [Full Text] [PDF]  

Roger T. Worrell, Lisa Merk, and Jeffrey B. Matthews

Ammonium transport in the colonic crypt cell line, T84: role for Rhesus glycoproteins and NKCC1
Am J Physiol Gastrointest Liver Physiol 294: G429-G440, 2008. First published November 21, 2007; doi:10.1152/ajpgi.00251.2006 [Abstract] [Full Text] [PDF]  

Jacques Q. van der Merwe, Morley D. Hollenberg, and Wallace K. MacNaughton

EGF receptor transactivation and MAP kinase mediate proteinase-activated receptor-2-induced chloride secretion in intestinal epithelial cells
Am J Physiol Gastrointest Liver Physiol 294: G441-G451, 2008. First published November 21, 2007; doi:10.1152/ajpgi.00303.2007 [Abstract] [Full Text] [PDF]  

Fadi Annaba, Zaheer Sarwar, Pradeep Kumar, Seema Saksena, Jerrold R. Turner, Pradeep K. Dudeja, Ravinder K. Gill, and Waddah A. Alrefai

Modulation of ileal bile acid transporter (ASBT) activity by depletion of plasma membrane cholesterol: association with lipid rafts
Am J Physiol Gastrointest Liver Physiol 294: G489-G497, 2008. First published December 6, 2007; doi:10.1152/ajpgi.00237.2007 [Abstract] [Full Text] [PDF]  

Ronan Thibault, Susan Welch, Nelly Mauras, Brenda Sager, Astride Altomare, Morey Haymond, and Dominique Darmaun

Corticosteroids increase glutamine utilization in human splanchnic bed
Am J Physiol Gastrointest Liver Physiol 294: G548-G553, 2008. First published December 27, 2007; doi:10.1152/ajpgi.00461.2007 [Abstract] [Full Text] [PDF]  

INFLAMMATION/IMMUNITY/MEDIATORS:

Robert M. Rowlett, Carol A. Chrestensen, Mark Nyce, Mary G. Harp, Jared W. Pelo, Fabio Cominelli, Peter B. Ernst, Theresa T. Pizarro, Thomas W. Sturgill, and Mark T. Worthington

MNK kinases regulate multiple TLR pathways and innate proinflammatory cytokines in macrophages
Am J Physiol Gastrointest Liver Physiol 294: G452-G459, 2008. First published November 21, 2007; doi:10.1152/ajpgi.00077.2007 [Abstract] [Full Text] [PDF]  

Seiko Narushima, Daniel DiMeo, Jun Tian, Juan Zhang, Dahzi Liu, and Daniel J. Berg

5-Lipoxygenase-derived lipid mediators are not required for the development of NSAID-induced inflammatory bowel disease in IL-10^–/– mice
Am J Physiol Gastrointest Liver Physiol 294: G477-G488, 2008. First published November 29, 2007; doi:10.1152/ajpgi.00229.2007 [Abstract] [Full Text] [PDF] [Corrigendum]  

HORMONES AND SIGNALING:

Hitoo Tokunaga, Bunzo Matsuura, Maoqing Dong, Laurence J. Miller, Teruhisa Ueda, Shinya Furukawa, Yoichi Hiasa, and Morikazu Onji

Mutational analysis of predicted intracellular loop domains of human motilin receptor
Am J Physiol Gastrointest Liver Physiol 294: G460-G466, 2008. First published November 21, 2007; doi:10.1152/ajpgi.00244.2007 [Abstract] [Full Text] [PDF]  

NEUROREGULATION AND MOTILITY:

Onesmo B. Balemba, Aaron C. Bartoo, Mark T. Nelson, and Gary M. Mawe

Role of mitochondria in spontaneous rhythmic activity and intracellular calcium waves in the guinea pig gallbladder smooth muscle
Am J Physiol Gastrointest Liver Physiol 294: G467-G476, 2008. First published November 29, 2007; doi:10.1152/ajpgi.00415.2007 [Abstract] [Full Text] [PDF]  

J. E. Wunderlich, B. J. Needleman, Z. Chen, J. G. Yu, Y. Wang, I. Grants, D. J. Mikami, W. S. Melvin, H. J. Cooke, and F. L. Christofi

Dual purinergic synaptic transmission in the human enteric nervous system
Am J Physiol Gastrointest Liver Physiol 294: G554-G566, 2008. First published December 13, 2007; doi:10.1152/ajpgi.00500.2007 [Abstract] [Full Text] [PDF]  

LIVER AND BILIARY TRACT:

Nobuyuki Tamaki, Etsuro Hatano, Kojiro Taura, Masaharu Tada, Yuzo Kodama, Takashi Nitta, Keiko Iwaisako, Satoru Seo, Akio Nakajima, Iwao Ikai, and Shinji Uemoto

CHOP deficiency attenuates cholestasis-induced liver fibrosis by reduction of hepatocyte injury
Am J Physiol Gastrointest Liver Physiol 294: G498-G505, 2008. First published January 3, 2008; doi:10.1152/ajpgi.00482.2007 [Abstract] [Full Text] [PDF]  

Sharon DeMorrow, Heather Francis, Eugenio Gaudio, Yoshiyuki Ueno, Julie Venter, Paolo Onori, Antonio Franchitto, Bradley Vaculin, Shelley Vaculin, and Gianfranco Alpini

Anandamide inhibits cholangiocyte hyperplastic proliferation via activation of thioredoxin 1/redox factor 1 and AP-1 activation
Am J Physiol Gastrointest Liver Physiol 294: G506-G519, 2008. First published December 20, 2007; doi:10.1152/ajpgi.00304.2007 [Abstract] [Full Text] [PDF] [Supplemental Figures]  

Cristina Ionica Øie, Randi Olsen, Bård Smedsrød, and John-Bjarne Hansen

Liver sinusoidal endothelial cells are the principal site for elimination of unfractionated heparin from the circulation
Am J Physiol Gastrointest Liver Physiol 294: G520-G528, 2008. First published December 6, 2007; doi:10.1152/ajpgi.00489.2007 [Abstract] [Full Text] [PDF]  

Rika Miki, Norifumi Tatsumi, Ken Matsumoto, and Yuji Yokouchi

New primary culture systems to study the differentiation and proliferation of mouse fetal hepatoblasts
Am J Physiol Gastrointest Liver Physiol 294: G529-G539, 2008. First published December 20, 2007; doi:10.1152/ajpgi.00412.2007 [Abstract] [Full Text] [PDF] [Supplemental Figures]  

Hester van Meer, Gunther Boehm, Frans Stellaard, Aldwin Vriesema, Jan Knol, Rick Havinga, Pieter J. Sauer, and Henkjan J. Verkade

Prebiotic oligosaccharides and the enterohepatic circulation of bile salts in rats
Am J Physiol Gastrointest Liver Physiol 294: G540-G547, 2008. First published December 13, 2007; doi:10.1152/ajpgi.00396.2007 [Abstract] [Full Text] [PDF]  

Guillermo L. Lehmann, Flavia I. Carreras, Leandro R. Soria, Sergio A. Gradilone, and Raúl A. Marinelli

LPS induces the TNF--mediated downregulation of rat liver aquaporin-8: role in sepsis-associated cholestasis
Am J Physiol Gastrointest Liver Physiol 294: G567-G575, 2008. First published January 3, 2008; doi:10.1152/ajpgi.00232.2007 [Abstract] [Full Text] [PDF]  

REPORTS:

Lelita T. Braiterman, Sean Heffernan, Lydia Nyasae, David Johns, Alfred P. See, Rebeca Yutzy, Allison McNickle, Mira Herman, Arun Sharma, Ulhas P. Naik, and Ann L. Hubbard

JAM-A is both essential and inhibitory to development of hepatic polarity in WIF-B cells
Am J Physiol Gastrointest Liver Physiol 294: G576-G588, 2008. First published December 20, 2007; doi:10.1152/ajpgi.00159.2007 [Abstract] [Full Text] [PDF] [Supplemental Figures]  

Jan D. Huizinga, Louis W. C. Liu, Amanda Fitzpatrick, Elizabeth White, Sandeep Gill, Xuan-Yu Wang, Natalia Zarate, Lynn Krebs, Catherine Choi, Tanya Starret, Devika Dixit, and Jing Ye

Deficiency of intramuscular ICC increases fundic muscle excitability but does not impede nitrergic innervation
Am J Physiol Gastrointest Liver Physiol 294: G589-G594, 2008. First published December 20, 2007; doi:10.1152/ajpgi.00130.2007 [Abstract] [Full Text] [PDF]  

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