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Brian R. Davis

Brian R. Davis

Brian R. Davis, PhD
Center for Stem Cell & Regenerative Medicine
University of Texas Health Science Center at Houston, USA



Dr. Davis graduated in 1976 from Harvard University with an A.B. degree, summa cum laude, in Physics. His undergraduate research on searches for magnetic monopoles was directed by Dr. Edward M. Purcell, Nobel Laureate. In 1980 he received his Ph.D. in Physics from the California Institute of Technology, where his theoretical research focused on neutrino oscillations and tests of time reversal invariance. This research was guided by Drs. Petr Vogel, Steven E. Koonin, and William A. Fowler, Nobel Laureate. His postdoctoral training in the molecular virology of mouse leukemia viruses was performed from 1982 to 1986 in the laboratory of Dr. Hung Fan at the University of California, Irvine. This work focused on the altered tropism and pathogenicity of Moloney murine leukemia virus caused by changes in transcriptional regulatory sequences within the Long Terminal Repeat.

From 1986 to 1995, Dr. Davis was Scientist at the California Pacific Medical Center Research Institute (formerly Medical Research Institute), San Francisco, CA. He was one of the first investigators to demonstrate the absence of HIV infection in hematopoietic stem/progenitor cells of HIV-infected individuals. In addition, his laboratory isolated, characterized, and studied the transcription regulation of the human CD34 gene, the expression of which marks the earliest cells in the human hematopoietic system.From 1994 to 1995, he spent a sabbatical year in the laboratory of Dr. David H. Schwartz, at the Johns Hopkins University School of Public Health, Baltimore, MD. 

From 1995 to 2000, Dr. Davis was an Associate Professor at the University of Texas Medical Branch at Galveston in the Sealy Center for Oncology & Hematology and the Departments of Microbiology & Immunology and Internal Medicine. From 1997 to 2002, Dr. Davis was President & CEO of Gene-Cell, Inc., a start-up biotechnology company located in Clear Lake, Texas. From 2002 to 2007, Dr. Davis was Senior Scientist and Director of Scientific Affairs and Operations at the Institute for Inherited Disease Research, Newtown, PA.

Research Interest

The research in Dr. Davis' laboratory is focused on gene editing in stem cells, that is utilizing homologous recombination and/or DNA repair processes to restore an endogenous mutant gene sequence to the corrected normal sequence in autologous stem cells obtained from patients with inherited genetic disease. Alternately, gene editing could be used to introduce specific changes (e.g. SNPs) into genes in normal stem cells for a functional evaluation of such changes.

One line of investigation has been to develop novel gene therapeutics using Zinc Finger Nuclease (ZFN) facilitated gene editing to correct gene mutations or target integration of transgenes into specific chromosomal sites directly in hematopoietic stem/progenitor or mesenchymal stem cells. Such corrected stem cells would be transplanted back into patients with inherited genetic diseases such as primary immunodeficiencies (e.g. X-linked SCID, Wiskott-Aldrich Syndrome) or muscular dystrophies. We hypothesize that direct correction of mutations or targeted transgene integration at the endogenous chromosomal location, under native gene transcriptional control, should result in more physiologic correction of defects than that achievable through random gene addition approaches.

A second line of investigation is focused on spontaneous somatic reversion of inherited mutations or "natural gene therapy" in patients with inherited genetic disease. This project has developed out of our identification of numerous genetic revertants in a patient with Wiskott-Aldrich Syndrome. This provides an unprecedented snapshot of natural selection at work within a patient with an inherited genetic disease - acting upon a repertoire of mutant genotypes to select those encoding protein(s) with greatest functionality.


Editors & Editorial Board Members
none:  Mol Med Ther 2012, 1:1
doi: #
Abstract  |   Full-text  |   PDF  |  
Editors & Editorial Board Members
none:  Mol Med Ther 2012, 1:2
Abstract  |   Full-text  |   PDF  |  
Human Fungal Infections: Need to Improve Diagnosis with New Biomarkers Developed by Translational Research
Editorial:  Mol Med Ther 2012, 1:1
doi: 10.4172/2324-8769.1000e101
Aamir Shahzad, Randall J Cohrs, Adong Shen and Cornelia Lass-Flörl
Abstract  |   Full-text  |   PDF  |  
Performance of Commercial Interferon-γ Release Assays for Screening Latent Tuberculosis Infection: A Meta-Analysis
Research Article:  Mol Med Ther 2012, 1:2
doi: 10.4172/2324-8769.1000103
Lin Sun, Qingqin Yin, Jianling Tian, Qing Miao, Fang Xu, Jing Xiao, Chen Shen, Weiwei Jiao, Cornelia Lass-Flörl, Aamir Shahzad and Adong Shen
Abstract  |   Full-text  |   PDF  |  
Parkinson’s Disease and Type-2 Diabetes: Methylglyoxal may be a Common Causal Agent; Carnosine could be Protective
Review Article:  Mol Med Ther 2012, 1:2
doi: 10.4172/2324-8769.1000104
Alan R. Hipkiss
Abstract  |   Full-text  |   PDF  |  
Prolyl Hydroxylases in fight or flight
Editorial:  Mol Med Ther 2012, 1:1
doi: 10.4172/2324-8769.1000e102
Anne-Theres Henze, Rodrigo Leite de Oliveira and Massimiliano Mazzone
Abstract  |   Full-text  |   PDF  |  
Genome-Scale Mapping of MicroRNA Signatures in Human Embryonic Stem Cell Neurogenesis
Research Article:  Mol Med Ther 2012, 1:2
doi: 10.4172/2324-8769.1000105
Xuejun H. Parsons, James F. Parsons and Dennis A. Moore
Abstract  |   Full-text  |   PDF  |  
Regulation of Coronary Vasomotor Function by Reactive Oxygen Species
Review Article:  Mol Med Ther 2012, 1:1
doi: 10.4172/2324-8769.1000101
Lih Kuo, Naris Thengchaisri and Travis W. Hein
Abstract  |   Full-text  |   PDF  |  
Novel Combinatorial Therapeutic Targeting of PAI-1(SERPINE1) Gene Expression in Alzheimer’s Disease
Short Communication:  Mol Med Ther 2012, 1:2
doi: 10.4172/2324-8769.1000106
Stacie M. Kutz, Craig E. Higgins and Paul J. Higgins
Abstract  |   Full-text  |   PDF  |  
Low Molecular Weight Antagonists of Plasminogen Activator Inhibitor-1: Therapeutic Potential in Cardiovascular Disease
Short Communication:  Mol Med Ther 2012, 1:1
doi: 10.4172/2324-8769.1000102
Tessa M. Simone and Paul J. Higgins
Abstract  |   Full-text  |   PDF  |  
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