Author
Raj Chari
Frederick National Laboratory for Cancer ResearchORCID 0000-0002-2216-313XUnclaimed ORCID profile · follow to get notified of new preprints
Biology Disciplines
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2020-2026 · peak 9/yrCo-Author Collaboration Network
10 top collaborators · 36 mutual co-author linksMutual co-authors in cluster
29 papers
Recent·Most cited
- BiophysicsbioRxivPreprint✦ In-depth digest
QuantiTrack: A unified software to study protein dynamics in living cells
David A Ball, Kaustubh Wagh, Diana A. Stavreva…·Tatiana Karpova
QuantiTrack, a MATLAB GUI, unifies single-molecule detection, tracking, quality control and mobility analyses; for glucocorticoid receptor, hormone washout cut bound fraction, dwell times and low-mobility occupancy.
- Cell BiologyMolecular CellPeer-reviewed
Structures of dynamic interactors at native proteasomes by PhIX-MS and cryoelectron microscopy
Kitaik Lee, Hitendra Negi, Xiang Chen…·Francis J. O’Reilly
The paper uses PhIX-MS and cryo-EM to map transient interactions at proteasomes, revealing structural details of proteins like TXNL1 and PSMD5.
4 citationstop 3% - ImmunologybioRxivPreprint
Engineering CAR T Cells for Hepatocellular Carcinoma Recurrence after Liver Transplantation
Lorenz Kocheise, Gabriel Prata Bacil, Pavan Bhimalli…·Tim F. Greten
This paper develops GPC3-targeted CAR T cells resistant to immunosuppressive drugs and with reduced alloreactivity, showing efficacy in preclinical models and feasibility for clinical use post-liver transplantation.
DOI 10.64898/2026.06.30.735569 - Genetic & Genomic MedicinemedRxivPreprint
Disruption of CTCF binding by germline non-coding variants in CDKN2B suppress CDKN2A expression and predispose to melanoma
Jessica L. Scales, Jayne A. Barbour, Alisa M. Goldstein…·Xiaohong R Yang
The paper identifies non-coding variants in CDKN2B that disrupt CTCF binding, reduce CDKN2A expression, and increase melanoma risk in families.
DOI 10.64898/2026.06.01.26352322 - Genetic & Genomic MedicinemedRxivPreprint
Large distant deletion disrupts CDKN2A enhancer and predisposes to melanoma
Peter A. Johansson, Kelly M. Brooks, Jane M. Palmer…·Antonia L. Pritchard
The paper identifies a large distant deletion in DMRTA1 upstream of CDKN2A that predisposes to melanoma by disrupting regulatory sequences and reducing p16 expression.
DOI 10.64898/2026.05.07.26352537 - Cancer BiologyMolecular CarcinogenesisPeer-reviewed
CRISPR-Based Gene Dependency Screens reveal Mechanism of BRAF Inhibitor Resistance in Anaplastic Thyroid Cancer
Shawn Noronha, Yue Liu, Geneti Gaga…·Myriem Boufraqech
This study identifies TAZ deficiency as synthetically lethal with BRAF inhibitors in anaplastic thyroid cancer, revealing a mechanism of resistance and a potential therapeutic target.
- Cell BiologyeLifePeer-reviewed
Orderly mitosis shapes interphase genome organization
Krishnendu Guin, Adib Keikhosravi, Raj Chari…·Tom Misteli
The paper identifies molecular regulators of centromere distribution by screening nuclear proteins and shows that mitosis influences interphase genome organization.
- GeneticsbioRxivPreprint
Functional characterization of the 9q34.13 locus identifies RAPGEF1 as modulating risk for melanoma and nevi via RAS activation
Rohit Thakur, Mai Xu, Alexandra M. Thornock…·Kevin M. Brown
This study identifies RAPGEF1 as a gene modulating melanoma and nevi risk through RAS activation, using fine-mapping, expression data, and functional assays.
DOI 10.64898/2025.12.03.691936 - ImmunologybioRxivPreprint
Weak SLP-76-PLC-γ1 interaction in the LAT-nucleated multi-protein complex fine-tunes TCR signal strength to optimize T cell responsiveness
Hidehiro Yamane, Junya Wada, Elizabeth N. Stassenko…·Lawrence E. Samelson
The paper shows that a weak SLP-76-PLC-γ1 interaction fine-tunes TCR signal strength, optimizing T cell responsiveness by controlling PLC-γ1 activity.
DOI 10.1101/2025.09.11.675682 - Cancer BiologyJournal of Thoracic OncologyPeer-reviewed
Metastatic organotropism in small cell lung cancer
Manan Krishnamurthy, Anjali Dhall, Sarthak Sahoo…·Anish Thomas
This study identifies key cellular programs and pathways driving metastatic organotropism in small cell lung cancer using preclinical models and multiomic profiling.
4 citations - Developmental BiologyDevelopmental CellPeer-reviewed
Structural perturbation of chromatin domains with multiple developmental regulators can severely impact gene regulation and development
Shreeta Chakraborty, Nina Wenzlitschke, Matthew J. Anderson…·Pedro P. Rocha
The paper shows that disrupting chromatin domain boundaries with multiple developmental regulators can cause severe gene dysregulation and developmental defects in mice.
22 citations - GeneticsPLoS GeneticsPeer-reviewed
The ubiquitin ligase HUWE1 enhances WNT signaling by antagonizing destruction complex-mediated β-catenin degradation and through a mechanism independent of β-catenin stability
Joseph K. McKenna, Yalan Wu, Praveen Sonkusre…·Andres M. Lebensohn
This study identifies HUWE1 as a regulator of WNT signaling through two mechanisms: antagonizing destruction complex-mediated β-catenin degradation and an independent pathway, both requiring HUWE1's ubiquitin ligase activity.
3 citations - Cancer BiologybioRxivPreprint
In vivo CRISPR screening identifies NF1/RASA1/TP53 co-mutations and downstream MEK signaling as a common key mechanism of sinonasal tumorigenesis
Kenny Vu, Sreenivasulu Gunti, Ramya Viswanathan…·Nyall R. London
This study identifies NF1/RASA1/TP53 co-mutations and MEK signaling as key drivers of sinonasal tumorigenesis through in vivo CRISPR screening and drug response testing.
DOI 10.1101/2025.05.19.654661 - Cancer BiologybioRxivPreprint
p53-induced RNA-binding protein ZMAT3 inhibits transcription of a hexokinase to suppress mitochondrial respiration
Ravi Kumar, Simon Couly, Bruna Rodrigues Muys…·Ashish Lal
This study identifies ZMAT3 as a regulator of HKDC1 transcription through JUN, suppressing mitochondrial respiration in colorectal cancer cells.
1 citation - Cell BiologyScience AdvancesPeer-reviewed
Transfer RNA acetylation regulates in vivo mammalian stress signaling
Supuni Thalalla Gamage, Roxane Khoogar, Shereen A. Howpay Manage…·Jordan L. Meier
This study shows that tRNA acetylation regulates stress signaling in mammals by affecting ribosome function and interacting with the Gcn2 kinase.
18 citationstop 3% - Genetic & Genomic MedicinemedRxivPreprint
Mapping chromatin interactions at melanoma susceptibility loci and cell-type specific dataset integration uncovers distant gene targets of cis-regulation
Rohit Thakur, Mai Xu, Hayley Sowards…·Kevin M. Brown
The paper identifies candidate causal variants and genes at melanoma risk loci using capture-HiC and integrates multi-omics data to prioritize cis-regulatory interactions.
- Genetic & Genomic MedicinemedRxivPreprint
Genetic regulation of TERT splicing contributes to reduced or elevated cancer risk by altering cellular longevity and replicative potential
Oscar Flórez-Vargas, Michelle Ho, Maxwell H. Hogshead…·Ludmila Prokunina‐Olsson
This study identifies VNTR6-1 and rs10069690 as regulators of TERT splicing and expression, influencing cancer risk and telomere dynamics through altered telomerase isoform ratios.
DOI 10.1101/2024.11.04.24316722 - Cancer BiologyCancer Gene TherapyPeer-reviewed
Identification of KIFC1 as a putative vulnerability in lung cancers with centrosome amplification
Christopher Zhang, Benson Z. Wu, Caterina Di Ciano‐Oliveira…·Kelsie L. Thu
This study identifies KIFC1 as a therapeutic vulnerability in lung cancers with centrosome amplification by showing its role in mitigating mitotic stress.
21 citations - Cancer BiologybioRxivPreprint
Targeting the sphingolipid rheostat in IDH1mut glioma alters cholesterol homeostasis and triggers apoptosis via membrane degradation
Tyrone Dowdy, Helena Muley, Adrian Lita…·Mioara Larion
This study shows that altering sphingosine levels in IDH1mut glioma cells disrupts cholesterol homeostasis, leading to apoptosis through effects on cholesterol synthesis, uptake, and efflux.
DOI 10.1101/2024.04.26.591321 - GeneticsbioRxivPreprint
AVENGERS: Analysis of Variant Effects using Next Generation sequencing to Enhance BRCA2 Stratification
Sounak Sahu, Melissa Galloux, Eileen A. Southon…·Shyam K. Sharan
The paper develops AVENGERS, a method using CRISPR-Cas9 to classify BRCA2 variants as functional or nonfunctional, improving the interpretation of variants of uncertain significance.
3 citations - Molecular BiologyNature Structural & Molecular BiologyPeer-reviewed
AGO2 silences mobile transposons in the nucleus of quiescent cells
Laura Sala, Manish Kumar, Mahendra Kumar Prajapat…·Joana Alves Vidigal
The paper shows AGO2 localizes to the nucleus in quiescent cells to silence mobile transposons via RNA interference.
30 citations - Developmental BiologyNature GeneticsPeer-reviewed
High affinity enhancer-promoter interactions can bypass CTCF/cohesin-mediated insulation and contribute to phenotypic robustness
Shreeta Chakraborty, Nina Kopitchinski, Zhenyu Zuo…·Pedro P. Rocha
The paper shows that high affinity enhancer-promoter interactions can bypass CTCF/cohesin insulation and maintain gene expression in some tissues but not others.
120 citationstop 1% - Molecular BiologyNature CommunicationsPeer-reviewed
Structure-guided bifunctional molecules hit a DEUBAD-lacking hRpn13 species upregulated in multiple myeloma
Xiuxiu Lu, Venkata R. Sabbasani, Vasty Osei Amponsa…·Kylie J. Walters
The paper identifies a chemical scaffold targeting hRpn13, revealing a DEUBAD-lacking isoform upregulated in multiple myeloma and demonstrating its potential as a therapeutic target.
36 citations - GeneticsThe American Journal of Human GeneticsPeer-reviewed
A UVB-responsive common variant at chr7p21.1 confers tanning response and melanoma risk via regulation of the aryl hydrocarbon receptor gene (AHR)
Mai Xu, Lindsey Catherine Mehl, Tongwu Zhang…·Kevin M. Brown
This paper identifies rs117132860 as a functional variant at 7p21.1 that regulates AHR expression in response to UVB, contributing to melanoma risk and tanning ability.
20 citations - Molecular BiologyMolecular CellPeer-reviewed
The Dystonia Gene THAP1 Controls DNA Double Strand Break Repair Choice
Kenta Shinoda, Dali Zong, Elsa Callén…·André Nussenzweig
This study identifies a transcriptional network involving THAP1 that regulates SHLD1 expression, affecting DNA repair choice and linking DNA damage to dystonia.
- BioinformaticsNucleic Acids ResearchPeer-reviewed
dbGuide: A database of functionally validated guide RNAs for genome editing in human and mouse cells
Alexander A Gooden, Christine N. Evans, Timothy P. Sheets…·Raj Chari
dbGuide compiles over 4000 functionally validated guide RNA sequences for CRISPR/Cas9-based knockout in human and mouse, enabling more reliable guide RNA selection.
- GenomicsNature CommunicationsPeer-reviewed
Massively parallel reporter assays combined with cell-type specific eQTL informed multiple melanoma loci and identified a pleiotropic function of HIV-1 restriction gene, MX2, in melanoma promotion
Jiyeon Choi, Tongwu Zhang, Andrew H. Vu…·Kevin M. Brown
The paper identifies multiple melanoma susceptibility genes and variants by integrating MPRA with eQTL data, revealing MX2's role in melanoma promotion.
- Molecular BiologyNature CommunicationsPeer-reviewed
Structure of E3 ligase E6AP with a novel proteasome-binding site provided by substrate receptor hRpn10
Gwen R. Buel, Xiang Chen, Raj Chari…·Kylie J. Walters
The paper identifies a novel proteasome-binding site in E6AP mediated by hRpn10, showing E6AP's unique interaction with the proteasome for substrate ubiquitination.
54 citations