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Research Interests: Our lab works in translational genetics to improve diagnosis and treatment through the discovery, mechanistic understanding, and targeted treatment of novel human syndromes.
Keywords: genetics, genomics, clinical genetics, molecular genetics, exome sequening, genome sequencing, RNAseq, gene discovery, neurogenetics, histone, mTOR, RAS, targeted therapeutics
Research Details: The motivation behind the work of the Bhoj lab is to provide answers to families about their child’s medical issues and work towards targeted therapies for genetic disorders. There are many thousands of children who are suspected to have a genetic disorder, but remain without a diagnosis, even after expert evaluation. Many of these children have yet-undiscovered genetic syndromes, and the Bhoj lab uses advanced sequencing technology to identify these novel syndromes. Two of the syndromes we now focus on are caused by disruption of Histone 3.3 (H3F3A and H3F3B) and TBC1 domain-containing Kinase (TBCK).
Histone 3.3 is one of the replacement histones, and is vital for appropriate cell division, transcription, and many other processes. Somatic variants cause a variety of cancer, including pediatric glioblastoma. Our laboratory described a pediatric neurodegenerative condition caused by germline variants in H3F3A and H3F3B, which both code for the Histone 3.3 protein. Using patient cells, mouse models, and iPSC cells, we are learning more about why these genetic variant cause this disease. Our goal is to be able to learn enough about the pathogenesis of the disorder to develop the first targeted therapies for this progressive neurologic disorder.
Our laboratory was also instrumental in the discovery of TBC1 domain-containing Kinase (TBCK) as a cause of progressive neurodegeneration in children. Very little was known about the role of TBCK, and we are working to learn more about how TBCK works in healthy tissues and contributes to neurodegeneration. We are using patient cells and model organisms to understand how the loss of this protein disrupts normal neurologic development. Our early data suggested the mTOR pathway was downregulated in these patients, and we showed that leucine, an amino acid, is a potential targeted therapy. We are now working on leucine and related compounds in animal models of the disease and hope to start a human trial.
Rotation Projects: We have rotation projects that range from improved genetic diagnostic techniques, to wet bench and animal research on furthering our understanding of some of the exciting new diseases we've discovered. Our work is driven by both basic science and translational research - and we always have an eye on targeted drug development. Specifically we have rotation projects on the role of a new disorder - TBCK-related encephalopahy and its treatment with an amino acid mixture. Also, learning more about how germline mutations in Histone 3.3 cause a progressive neurological syndrome and how we can treat these patients. We also have more than a dozen novel disorders we've found in patients and need to verify using functional data in the lab.
Keywords: genetics, genomics, clinical genetics, molecular genetics, exome sequening, genome sequencing, RNAseq, gene discovery, neurogenetics, histone, mTOR, RAS, targeted therapeutics
Research Details: The motivation behind the work of the Bhoj lab is to provide answers to families about their child’s medical issues and work towards targeted therapies for genetic disorders. There are many thousands of children who are suspected to have a genetic disorder, but remain without a diagnosis, even after expert evaluation. Many of these children have yet-undiscovered genetic syndromes, and the Bhoj lab uses advanced sequencing technology to identify these novel syndromes. Two of the syndromes we now focus on are caused by disruption of Histone 3.3 (H3F3A and H3F3B) and TBC1 domain-containing Kinase (TBCK).
Histone 3.3 is one of the replacement histones, and is vital for appropriate cell division, transcription, and many other processes. Somatic variants cause a variety of cancer, including pediatric glioblastoma. Our laboratory described a pediatric neurodegenerative condition caused by germline variants in H3F3A and H3F3B, which both code for the Histone 3.3 protein. Using patient cells, mouse models, and iPSC cells, we are learning more about why these genetic variant cause this disease. Our goal is to be able to learn enough about the pathogenesis of the disorder to develop the first targeted therapies for this progressive neurologic disorder.
Our laboratory was also instrumental in the discovery of TBC1 domain-containing Kinase (TBCK) as a cause of progressive neurodegeneration in children. Very little was known about the role of TBCK, and we are working to learn more about how TBCK works in healthy tissues and contributes to neurodegeneration. We are using patient cells and model organisms to understand how the loss of this protein disrupts normal neurologic development. Our early data suggested the mTOR pathway was downregulated in these patients, and we showed that leucine, an amino acid, is a potential targeted therapy. We are now working on leucine and related compounds in animal models of the disease and hope to start a human trial.
Rotation Projects: We have rotation projects that range from improved genetic diagnostic techniques, to wet bench and animal research on furthering our understanding of some of the exciting new diseases we've discovered. Our work is driven by both basic science and translational research - and we always have an eye on targeted drug development. Specifically we have rotation projects on the role of a new disorder - TBCK-related encephalopahy and its treatment with an amino acid mixture. Also, learning more about how germline mutations in Histone 3.3 cause a progressive neurological syndrome and how we can treat these patients. We also have more than a dozen novel disorders we've found in patients and need to verify using functional data in the lab.
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Carlos Dominguez Gonzalez,Leslie E. Sanderson, Raffaella Depace,Guy Helman,Kaiyuan Wu,Brianna Disanza,Amy Pizzino,Johanna Schmidt,Kayla Muirhead,Joshua Bonkowsky,Ryan Taft, Nouriya Sannaa,
Molecular Genetics and Metabolismno. 4 (2024): 108328
Kelly J Clark, Emily E Lubin, Elizabeth M Gonzalez, Annabel K Sangree, Dana E Layo-Carris, Emily L Durham,Rebecca C Ahrens-Nicklas,Tomoki T Nomakuchi,Elizabeth J Bhoj
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Pomme M. F. Rigter,Charlotte de Konink, Matthew J. Dunn,Martina Proietti Onori,Jennifer B. Humberson,Matthew Thomas, Caitlin Barnes,Carlos E. Prada,K. Nicole Weaver,Thomas D. Ryan,Oana Caluseriu,Jennifer Conway,
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Cell Stem Cellno. 3 (2024): 288-289
Dong Li,Qin Wang,Allan Bayat,Mark R. Battig,Yijing Zhou, Danielle G. M. Bosch,Gijs van Haaften,Leslie Granger,Andrea K. Petersen,Luis A. Perez-Jurado, Gemma Aznar-Lain, Anushree Aneja,
JOURNAL OF CLINICAL INVESTIGATIONno. 1 (2024)
Elise Pisan,Chiara De Luca,Francesco Brancati,Rossana Sanchez Russo,Dong Li,Elizabeth Bhoj,Tara Wenger,Ashish Marwaha, Nicole Johnson,Claire Beneteau,Elise Brischoux-Boucher,Gunnar Houge,
Proceedings of the National Academy of Sciences of the United States of Americano. 12 (2024): e2317601121-e2317601121
Brianna Disanza,Rajesh Angireddy, Emma Welter,Guy Helman,Cas Simons, Ryan Taft,Adeline Vanderver,Elizabeth Bhoj,Rebecca Ahrens-Nicklas
IBRO Neuroscience Reports (2023): S86-S87
Victoria Patterson,Farid Ullah,Laura Bryant,John N Griffin,Alpa Sidhu, Sheila Saliganan, Mackenzie Blaile,Margarita S Saenz,Rosemarie Smith,Sara Ellingwood,Dorothy K Grange,Xuyun Hu,
Science Advancesno. 17 (2023): eade0631-eade0631
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American journal of medical genetics. Part A (2023)
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