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Sherif Karam

Research Profile

Anatomy

Living Beings

Physiology

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Cell Lineage

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Chemicals & Drugs

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Stomach Neoplasms

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Publications

TOP 3
Fathyia Y Al-Marzoqee; Azam Beg; Frank Branicki; Rony John; Ghalia Khoder; Aron Vincze; Haifa Al-Awadhi; Sherif Karam
Upregulation and inhibition of the nuclear translocation of Oct4 during multistep gastric carcinogenesis.
Mohamed A Fahim; Basel al-Ramadi; Dena Am Amer; Rkia El-Kharrag; Hazem Kataya; Sherif Karam
Ghrelin attenuates gastrointestinal epithelial damage induced by doxorubicin.
H Al-Awadhi; F Al-Marzooqi; F Branicki; Rony John; A Vincze; Sherif Karam
Sequential alterations in gastric biopsies and tumor tissues support the multistep process of carcinogenesis.

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All Publications

2012: Fathyia Y Al-Marzoqee; Azam Beg; Frank Branicki; Rony John; Ghalia Khoder; Aron Vincze; Haifa Al-Awadhi; Sherif Karam
Upregulation and inhibition of the nuclear translocation of Oct4 during multistep gastric carcinogenesis.
International journal of oncology 2012;41(5):1733-43.
2011: Mohamed A Fahim; Basel al-Ramadi; Dena Am Amer; Rkia El-Kharrag; Hazem Kataya; Sherif Karam
Ghrelin attenuates gastrointestinal epithelial damage induced by doxorubicin.
World journal of gastroenterology : WJG 2011;17(33):3836-41.
2011: H Al-Awadhi; F Al-Marzooqi; F Branicki; Rony John; A Vincze; Sherif Karam
Sequential alterations in gastric biopsies and tumor tissues support the multistep process of carcinogenesis.
Histology and histopathology 2011;26(9):1153-64.
2010: Sherif Karam
A focus on parietal cells as a renewing cell population.
World journal of gastroenterology : WJG 2010;16(5):538-46.
2010: Sherif Karam
Mouse models demonstrating the role of stem/progenitor cells in gastric carcinogenesis.
Frontiers in bioscience : a journal and virtual library 2010;15():595-603.
2009: Muna Hammadi; Mohamed Adi; Rony John; Ghalia A K Khoder; Sherif Karam
Dysregulation of gastric H,K-ATPase by cigarette smoke extract.
World journal of gastroenterology : WJG 2009;15(32):4016-22.
2008: Sherif Karam; Catherine Tomasetto; Marie-Christine Rio
Amplification and invasiveness of epithelial progenitors during gastric carcinogenesis in trefoil factor 1 knockout mice.
Cell proliferation 2008;41(6):923-35.
2008: Sherif Karam
Cellular origin of gastric cancer.
Annals of the New York Academy of Sciences 2008;1138():162-8.
2008: Wafa S Al-Dhaheri; Imam Hassouna; Suhail Al-Salam; Sherif Karam
Characterization of breast cancer progression in the rat.
Annals of the New York Academy of Sciences 2008;1138():121-31.
2008: V S Farook; Moussa Alkhalaf; Sherif Karam
Establishment of a gastric epithelial progenitor cell line from a transgenic mouse expressing the simian virus 40 large T antigen gene in the parietal cell lineage.
Cell proliferation 2008;41(2):310-20.
2008: Marios Giannakis; Swaine L Chen; Sherif Karam; Lars Engstrand; Jeffrey I Gordon
Helicobacter pylori evolution during progression from chronic atrophic gastritis to gastric cancer and its impact on gastric stem cells.
Proceedings of the National Academy of Sciences of the United States of America 2008;105(11):4358-63.
2007: Rony John; N M El-Rouby; Catherine Tomasetto; Marie-Christine Rio; Sherif Karam
Expression of TFF3 during multistep colon carcinogenesis.
Histology and histopathology 2007;22(7):743-51.
2005: Sherif Karam; Wail M Hassan; Rony John
Expression of retinoid receptors in multiple cell lineages in the gastric mucosae of mice and humans.
Journal of gastroenterology and hepatology 2005;20(12):1892-9.
2005: Jung D Oh; Sherif Karam; Jeffrey I Gordon
Intracellular Helicobacter pylori in gastric epithelial progenitors.
Proceedings of the National Academy of Sciences of the United States of America 2005;102(14):5186-91.
2005: Sherif Karam; Rony John; David H Alpers; Abdul Samad Ponery
Retinoic acid stimulates the dynamics of mouse gastric epithelial progenitors.
Stem cells (Dayton, Ohio) 2005;23(3):433-41.
2004: Sherif Karam; Catherine Tomasetto; Marie-Christine Rio
Trefoil factor 1 is required for the commitment programme of mouse oxyntic epithelial progenitors.
Gut 2004;53(10):1408-15.
2004: Andrew J Syder; Sherif Karam; Jason C Mills; Joseph Ippolito; Habib R Ansari; Vidya Farook; Jeffrey I Gordon
A transgenic mouse model of metastatic carcinoma involving transdifferentiation of a gastric epithelial lineage progenitor to a neuroendocrine phenotype.
Proceedings of the National Academy of Sciences of the United States of America 2004;101(13):4471-6.
2004: Sherif Karam; Habib R Ansari; Wafa S Al-Dhaheri; Glory Alexander
Retinol enhances differentiation of the gastric parietal cell lineage in developing rabbits.
Cellular physiology and biochemistry : international journal of experimental cellular physiology, biochemistry, and pharmacology 2004;14(4-6):333-42.
2003: Sherif Karam; Timothy Straiton; Wail M Hassan; Charles Philippe Leblond
Defining epithelial cell progenitors in the human oxyntic mucosa.
Stem cells (Dayton, Ohio) 2003;21(3):322-36.
2002: Moussa Alkhalaf; abdalla el-mowafy; Sherif Karam
Growth inhibition of MCF-7 human breast cancer cells by progesterone is associated with cell differentiation and phosphorylation of Akt protein.
European journal of cancer prevention : the official journal of the European Cancer Prevention Organisation (ECP) 2002;11(5):481-8.
2002: Luis-Fernando Torres; Sherif Karam; Corinne Wendling; Marie-Pierre Chenard; David Kershenobich; Catherine Tomasetto; Marie-Christine Rio
Trefoil factor 1 (TFF1/pS2) deficiency activates the unfolded protein response.
Molecular medicine (Cambridge, Mass.) 2002;8(5):273-82.
2001: Sherif Karam; G Alexander; V Farook; A Wagdi
Characterization of the rabbit gastric epithelial lineage progenitors in short-term culture.
Cell and tissue research 2001;306(1):65-74.
2001: Sherif Karam; G Alexander
Blocking of histamine H2 receptors enhances parietal cell degeneration in the mouse stomach.
Histology and histopathology 2001;16(2):469-80.
2000: Catherine Tomasetto; Sherif Karam; Stéphane Ribieras; Régis Masson; O Lefèbvre; Adrien Staub; G Alexander; Marie-Pierre Chenard; Marie-Christine Rio
Identification and characterization of a novel gastric peptide hormone: the motilin-related peptide.
Gastroenterology 2000;119(2):395-405.
2000: Farida Al-Awadi; Sherif Karam; Islam Khan
Vitamin A deficiency in mice enhances the colonic level of purine enzyme activity.
Annals of nutrition & metabolism 2000;44(4):150-6.
1999: Sherif Karam
Lineage commitment and maturation of epithelial cells in the gut.
Frontiers in bioscience : a journal and virtual library 1999;4():D286-98.
1999: Andrew J Syder; Janaki L Guruge; Q Li; Y Hu; C M Oleksiewicz; Robin G Lorenz; Sherif Karam; Per Falk; Jeffrey I Gordon
Helicobacter pylori attaches to NeuAc alpha 2,3Gal beta 1,4 glycoconjugates produced in the stomach of transgenic mice lacking parietal cells.
Molecular cell 1999;3(3):263-74.
1998: Curtis T Okamoto; Sherif Karam; Young Y Jeng; John G Forte; J R Goldenring
Identification of clathrin and clathrin adaptors on tubulovesicles of gastric acid secretory (oxyntic) cells.
The American journal of physiology 1998;274(4 Pt 1):C1017-29.
1998: Sherif Karam
Cell lineage relationship in the stomach of normal and genetically manipulated mice.
Brazilian journal of medical and biological research = Revista brasileira de pesquisas médicas e biológicas / Sociedade Brasileira de Biofísica ... [et al.] 1998;31(2):271-9.
1998: Q Li; Sherif Karam; K A Coerver; M M Matzuk; Jeffrey I Gordon
Stimulation of activin receptor II signaling pathways inhibits differentiation of multiple gastric epithelial lineages.
Molecular endocrinology (Baltimore, Md.) 1998;12(2):181-92.
1997: Sherif Karam; Q Li; J I Gordon
Gastric epithelial morphogenesis in normal and transgenic mice.
The American journal of physiology 1997;272(5 Pt 1):G1209-20.
1997: Sherif Karam; Xuebiao Yao; John G Forte
Functional heterogeneity of parietal cells along the pit-gland axis.
The American journal of physiology 1997;272(1 Pt 1):G161-71.
1996: Xuebiao Yao; Sherif Karam; M Ramilo; Q Rong; A Thibodeau; J G Forte
Stimulation of gastric acid secretion by cAMP in a novel alpha-toxin-permeabilized gland model.
The American journal of physiology 1996;271(1 Pt 1):C61-73.
1996: Q Li; Sherif Karam; Jeffrey I Gordon
Diphtheria toxin-mediated ablation of parietal cells in the stomach of transgenic mice.
The Journal of biological chemistry 1996;271(7):3671-6.
1995: Sherif Karam
New insights into the stem cells and the precursors of the gastric epithelium.
Nutrition (Burbank, Los Angeles County, Calif.) 1995;11(5 Suppl):607-13.
1995: Q Li; Sherif Karam; Jeffrey I Gordon
Simian virus 40 T antigen-induced amplification of pre-parietal cells in transgenic mice. Effects on other gastric epithelial cell lineages and evidence for a p53-independent apoptotic mechanism that operates in a committed progenitor.
The Journal of biological chemistry 1995;270(26):15777-88.
1995: Sherif Karam; Charles Philippe Leblond
Origin and migratory pathways of the eleven epithelial cell types present in the body of the mouse stomach.
Microscopy research and technique 1995;31(3):193-214.
1994: Sherif Karam; J G Forte
Inhibiting gastric H(+)-K(+)-ATPase activity by omeprazole promotes degeneration and production of parietal cells.
The American journal of physiology 1994;266(4 Pt 1):G745-58.
1993: Sherif Karam; Charles Philippe Leblond
Dynamics of epithelial cells in the corpus of the mouse stomach. V. Behavior of entero-endocrine and caveolated cells: general conclusions on cell kinetics in the oxyntic epithelium.
The Anatomical record 1993;236(2):333-40.
1993: Sherif Karam
Dynamics of epithelial cells in the corpus of the mouse stomach. IV. Bidirectional migration of parietal cells ending in their gradual degeneration and loss.
The Anatomical record 1993;236(2):314-32.
1993: Sherif Karam; Charles Philippe Leblond
Dynamics of epithelial cells in the corpus of the mouse stomach. III. Inward migration of neck cells followed by progressive transformation into zymogenic cells.
The Anatomical record 1993;236(2):297-313.
1993: Sherif Karam; Charles Philippe Leblond
Dynamics of epithelial cells in the corpus of the mouse stomach. II. Outward migration of pit cells.
The Anatomical record 1993;236(2):280-96.
1993: Sherif Karam; Charles Philippe Leblond
Dynamics of epithelial cells in the corpus of the mouse stomach. I. Identification of proliferative cell types and pinpointing of the stem cell.
The Anatomical record 1993;236(2):259-79.
1992: Sherif Karam; Charles Philippe Leblond
Identifying and counting epithelial cell types in the "corpus" of the mouse stomach.
The Anatomical record 1992;232(2):231-46.