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Researcher Profile - Othman Ghribi Get Newsletter
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Home: Community: Researcher Profiles
Researcher Profile

RESEARCHER INFORMATION
First Name:Othman
Last Name:Ghribi
Title:Associate Professor
Advanced Degrees:PhD
Affiliation:University of North Dakota
Department:Pharmacology, Physiology and Therapeutics
Street Address 1:501 N. Columbia Road
City:Grand Forks
State/Province:ND
Zip/Postal Code:58203
Country/Territory:U.S.A.
Phone:(701) 777 2522
Fax:(701) 777-4490
Email Address: 
Disclosure:
(view policy) 
Member reports no financial or other potential conflicts of interest. [Last Modified: 3 November 2011]
View all comments by Othman Ghribi
Clinical Interests:
Aging Process, Alzheimer Disease, Tauopathies, Neurodevelopmental Disorders (Down syndrome, etc.), Stroke and Trauma, Parkinson Disease, Neuromuscular Disorders (ALS, etc.)
Research Focus:
Neurobiology, Animal Models, Protein structure/chemistry, Proteomics, Tau/Cytoskeleton, Apoptosis/Cell cycle, Signal transduction, Neuropathology, Molecular and Cell biology, Oxidative Stress
Work Sector(s):
University
Web Sites:
Professional: http://www.med.und.nodak.edu/
Lab: http://www.med.und.nodak.edu/bimd/pharm.html
Researcher Bio
PhD in neuropharmacology, University Paris VI, France: regulation of extracellular concentration og EAA following transient forebrain ischemia.

Postdoc fellow: University of Quebec, Canada: Hypoxia in ApoE or APP transgenic mice

Research Associate: University of Virginia:
Apoptosis in aluminum-induced neurodegeneration

Research assistant professor, University of Virginia: mechanisms of neurotoxicity of Abeta perfused to rabbit brain.
Top Papers
1: Prasanthi JR, Larson T, Schommer J, Ghribi O. Silencing GADD153/CHOP Gene
Expression Protects against Alzheimer's Disease-Like Pathology Induced by
27-Hydroxycholesterol in Rabbit Hippocampus. PLoS One. 2011;6(10):e26420. Epub
2011 Oct 14. PubMed PMID: 22046282.


2: Marwarha G, Dasari B, Ghribi O. Endoplasmic reticulum stress-induced CHOP
activation mediates the down-regulation of leptin in human neuroblastoma SH-SY5Y
cells treated with the oxysterol 27-hydroxycholesterol. Cell Signal. 2011 Oct 1.
[Epub ahead of print] PubMed PMID: 21983012.


3: Dasari B, Prasanthi JR, Marwarha G, Singh BB, Ghribi O. Cholesterol-enriched
diet causes age-related macular degeneration-like pathology in rabbit retina. BMC
Ophthalmol. 2011 Aug 18;11:22. PubMed PMID: 21851605; PubMed Central PMCID:
PMC3170645.


4: Marwarha G, Prasanthi JR, Schommer J, Dasari B, Ghribi O. Molecular interplay
between leptin, insulin-like growth factor-1, and β-amyloid in organotypic slices
from rabbit hippocampus. Mol Neurodegener. 2011 Jun 8;6(1):41. PubMed PMID:
21651786; PubMed Central PMCID: PMC3121598.


5: Marwarha G, Dasari B, Prabhakara JP, Schommer J, Ghribi O. β-Amyloid regulates
leptin expression and tau phosphorylation through the mTORC1 signaling pathway. J
Neurochem. 2010 Oct;115(2):373-84. doi: 10.1111/j.1471-4159.2010.06929.x. Epub
2010 Aug 25. PubMed PMID: 20670375; PubMed Central PMCID: PMC2970652.


6: Prasanthi JR, Dasari B, Marwarha G, Larson T, Chen X, Geiger JD, Ghribi O.
Caffeine protects against oxidative stress and Alzheimer's disease-like pathology
in rabbit hippocampus induced by cholesterol-enriched diet. Free Radic Biol Med.
2010 Oct 15;49(7):1212-20. Epub 2010 Jul 16. PubMed PMID: 20638472; PubMed
Central PMCID: PMC2930139.


7: Marwarha G, Dasari B, Prasanthi JR, Schommer J, Ghribi O. Leptin reduces the
accumulation of Abeta and phosphorylated tau induced by 27-hydroxycholesterol in
rabbit organotypic slices. J Alzheimers Dis. 2010;19(3):1007-19. PubMed PMID:
20157255; PubMed Central PMCID: PMC2924284.


8: Ghribi O. Potential mechanisms linking cholesterol to Alzheimer's disease-like
pathology in rabbit brain, hippocampal organotypic slices, and skeletal muscle. J
Alzheimers Dis. 2008 Dec;15(4):673-84. Review. PubMed PMID: 19096164; PubMed
Central PMCID: PMC2805037.


9: Sharma S, Prasanthi R P J, Schommer E, Feist G, Ghribi O.
Hypercholesterolemia-induced Abeta accumulation in rabbit brain is associated
with alteration in IGF-1 signaling. Neurobiol Dis. 2008 Dec;32(3):426-32. Epub
2008 Aug 16. PubMed PMID: 18775495; PubMed Central PMCID: PMC2658815.


10: Ghribi O, Larsen B, Schrag M, Herman MM. High cholesterol content in neurons
increases BACE, beta-amyloid, and phosphorylated tau levels in rabbit
hippocampus. Exp Neurol. 2006 Aug;200(2):460-7. Epub 2006 May 11. PubMed PMID:
16696972.

What are the top three papers (not yours) you have read recently?








What is your leading hypothesis?
Stress in the endoplasmic reticulum is an upstream event to Abeta and tau neurotoxic effects

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