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Hugo J Bellen

Bellen

Hugo J Bellen, D.V.M., Ph.D.

Distinguished Service Professor

(713) 798-5272

Positions

Distinguished Service Professor
Molecular & Human Genetics and Neuroscience
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Chair in Neurogenetics
Jan and Dan Duncan Neurological Research Institute
March of Dimes Chair in Developmental Biology
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Faculty Member
Graduate Programs in Development, Disease Models, and Therapeutics; Genetics & Genomics; and Neuroscience
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Faculty Senator
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Education

MBA from Universit茅 Libre de Bruxelles
07/1976 - Brussels, Belgium
Solvay Brussels School Economics & Management
DVM from Ghent University
07/1983 - Ghent, Belgium
PhD from University Of California, Davis
12/1986 - Davis, California, United States
Post-Doctoral Fellowship at University Of Basel
08/1989 - Basel, Switzerland

Honors & Awards

Member of American Association of Arts and Sciences
Member of the National Academy of Sciences

Professional Interests

  • Mitochondria and neuronal degeneration, and technology development

Professional Statement

One of the main aims of the research in my lab is to elucidate the molecular basis of neurodegeneration. Since no unbiased genetic screens in model organisms were performed to sample genes that cause neurodegenerative phenotypes, we embarked on such a screen in fly photoreceptors and isolated 700 mutations corresponding to 165 complementation groups. This screen has provided a very rich resource of novel mutants for the fly community and has permitted us to dissect mechanisms for a variety of diseases, including Charcot-Marie-Tooth disease, Leigh Syndrome, and Friedreich鈥檚 ataxia. This screen has also led to the identification of mutations in 32 genes that encode proteins that are targeted to mitochondria. By exploring the molecular mechanisms of these rare diseases, we were able to determine biochemical pathways that also play a role in Parkinson鈥檚 disease, Amyotrophic Lateral Sclerosis, and Alzheimer鈥檚 Disease. These pathways are now being studied intensely in the lab.

My lab as well as the laboratories of Michael Wangler and Shinya Yamamoto here at BCM were selected by the Undiagnosed Diseases Network (UDN) as the Drosophila Model Organism Screening Center (MOSC). Through close collaborations with human geneticists and physicians, we have identified variants in numerous human genes that are associated with neurological diseases in children. We have participated in the discovery of the genetic causes of 60 human diseases in the past ten years. We are also studying some of these genes in depth to determine the molecular events that underlie these diseases to identify targets to develop drugs and have been successful in identifying FDA approved drugs for four diseases.

My lab also plays an important role in developing new tools to manipulate flies and to generate reagents for the fly community. I have been the PI of the Gene Disruption Project for more than 20 years. The reagents that we have produced include more than 25,000 single transposable element insertion stocks in more than 70 percent of all fly genes. These stocks are currently distributed by the Bloomington Drosophila Stock Center (BDSC). Most recently we created a novel transposable element named MiMIC that allows a staggering array of manipulations of the fly genome in vivo. So far more than 17,000 lines have been created, of which 7,500 have been deposited in the BDSC. We have used these lines to tag 1,000 genes with a multifunctional tag that allows us to determine gene expression patterns in vivo, immunoprecipitations, ChIP, and in vivo protein inactivation. Finally, in collaboration with Norbert Perrimon at Harvard, we have developed the CRIMIC technology. This allows us to insert a small multifunctional cassette in almost any gene using CRISPR. We are in the process of inserting these very versatile tags in thousands of genes and have generated more than 3,500 tagged genes so far. We have excellent resources via NIH and private foundations.

Selected Publications

  • 驰补尘补尘辞迟辞鈥疭,鈥疜补苍肠补鈥疧,鈥疻补苍驳濒别谤鈥疢贵,鈥叠别濒濒别苍鈥疕闯.&苍产蝉辫;&辩耻辞迟; " 狈补迟鈥疪别惫鈥疓别苍别迟.. 2024 Jan ; 25 : 46鈥�60.
    Pubmed PMID: .
  • 骋辞辞诲尘补苍鈥疞顿,鈥疪补濒丑补苍鈥疘,鈥疞颈鈥疿,鈥疞耻鈥疭,鈥疢辞耻濒迟辞苍鈥疢闯,鈥疨补谤办鈥痀闯,鈥痁丑补辞鈥疨,鈥疜补苍肠补鈥疧,鈥疓丑补诲别谤辫辞耻谤鈥痁厂,鈥疛补肠辩耻别尘测苍鈥疛,鈥疭丑耻濒尘补苍鈥疛惭,鈥疉苍诲辞鈥疜,鈥疭耻苍鈥疜,鈥疘辞补苍苍辞耻鈥疢厂,鈥叠别濒濒别苍鈥疕闯.&苍产蝉辫;&辩耻辞迟; " 狈补迟鈥疦别耻谤辞蝉肠颈.. 2024 Oct ; 27 : 1918鈥�1933.
    Pubmed PMID: .
  • 顿耻迟迟补鈥疍,鈥疜补苍肠补鈥疧,鈥叠测别辞苍鈥疭碍,鈥疢补谤肠辞驳濒颈别蝉别鈥疨颁,鈥痁耻辞鈥痁,鈥疭丑谤颈诲丑补谤补苍鈥疪痴,鈥疨补谤办鈥疛贬,鈥疞颈苍鈥疓,鈥疓别鈥疢,鈥疕别颈尘别谤鈥疓,鈥疜辞丑濒别谤鈥疛狈,鈥疻丑别别濒别谤鈥疢罢,鈥疜补颈辫辫补谤别迟迟耻鈥叠础,鈥疨补苍诲别测鈥疉,鈥叠别濒濒别苍鈥疕闯.&苍产蝉辫;&辩耻辞迟; " 狈补迟鈥疢别迟补产.. 2023 Sep ; 5 : 1595鈥�1614.
    Pubmed PMID: .
  • 颁丑耻苍驳鈥疕尝,鈥痀别鈥疩,鈥疨补谤办鈥痀闯,鈥痁耻辞鈥痁,鈥疢辞办鈥疛奥,鈥疜补苍肠补鈥疧,鈥疶补迟迟颈办辞迟补鈥疭骋,鈥疞耻鈥疭,鈥疨别谤谤颈尘辞苍鈥疦,鈥疞别别鈥疕碍,鈥叠别濒濒别苍鈥疕闯.&苍产蝉辫;&辩耻辞迟; " 颁别濒濒鈥疢别迟补产.. 2023 May ; 35 : 855鈥�874.
    Pubmed PMID: .

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