Cell-in-drop genotyping detects megabase-scale loss of heterozygosity as a quantitative marker for CRISPR-Cas9 on-target toxicity
Darpan Medhi, Linas Mazutis, Maria Jasin
bioRxiv · Nov 2, 2026 · PreprintBioengineering
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Memorial Sloan Kettering Cancer CenterORCID 0000-0002-7976-2379Unclaimed ORCID profile · follow to get notified of new preprints
18 papers
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Darpan Medhi, Linas Mazutis, Maria Jasin
bioRxiv · Nov 2, 2026 · PreprintBioengineering
Salome Jingchen Zhao, Ching Chiek Koh, Rachel Brough, Dragomir B. Krastev, Veenu Tripathi, Feifei Song, Sheyne S. A. Choi, Daniella Black, Soraya Boushaki, Cherif Badja, Rebecca A. Dagg, Giuseppe Rinaldi, Ping Jing Toong, Andrea Degasperi, Rohit Prakash, , Serena Nik‐Zainal
The paper shows HRd is a continuum with functional and mutational heterogeneity, highlighting the need for refined molecular classification for precision interventions.
bioRxiv · May 29, 2026 · PreprintGenomics
Agnieszka Lukaszewicz, Thomas E. Wilson, Soonjoung Kim, Scott Keeney, Maria Jasin
The paper investigates how MRE11 suppresses germline mutagenesis at meiotic double-strand breaks in mice by analyzing the effects of DSB processing and end joining.
bioRxiv · Feb 15, 2026Molecular Biology
Samantha B. Regan, Darpan Medhi, Yuanlin Xu, Travis White, Yi-Zhen Jiang, Jung Eun Kim, Shih-Chun Wang, Qichen Deng, Jia Su, Dulguun Baasan, Jon P. Connelly, Ti‐Cheng Chang, Shondra M. Pruett‐Miller, Maria Jasin
This study investigates LOH caused by CRISPR-Cas9 DSBs, showing large-scale loss and mechanisms, and highlights risks when combined with end joining inhibition.
Molecular Cell · Nov 1, 2025Peer-reviewedMolecular Biology
Marina Marcet-Ortega, Ana Martínez-Marchal, Andros Maldonado-Linares, Mercè Encinas, Anna Esteve‐Codina, Maria Jasin, Scott Keeney, Ignasi Roig
This study shows TRIP13 is involved in transcription suppression and DSB repair during meiosis, with distinct roles in spermatocytes and oocytes.
bioRxiv · Oct 20, 2025 · PreprintCell Biology
Kyrie Pappas, Matteo Ferrari, Perianne Smith, Subhiksha Nandakumar, Zahra Khan, Serina B Young, Justin R. LaClair, Marco Vincenzo Russo, Emmet Huang-Hobbs, Nikolaus D. Schultz, Wassim M. Abida, Wouter R. Karthaus, Maria Jasin, Charles L. Sawyers
This study identifies loss of function mutations in the DNA pre-replication complex as a mechanism for PARP inhibitor resistance in BRCA-mutant prostate cancer, independent of reversion mutations.
bioRxiv · Apr 20, 2025 · PreprintCancer Biology
Alexander Carver, Tai-Yuan Yu, Luke A. Yates, Travis White, Raymond Q Wang, Katie Lister, Maria Jasin, Xiaodong Zhang
This study identifies the molecular mechanism by which FIGNL1 disassembles RAD51 filaments from DNA and chromatin, revealing its role in genome stability.
Science · Dec 5, 2024Peer-reviewedBiochemistry
Pei Xin Lim, Mahdia Zaman, Weiran Feng, Maria Jasin
The paper shows BRCA2 stabilizes RAD51 filaments for fork protection and gap suppression, but HDR deficiency primarily drives chemotherapeutic sensitivity.
Molecular Cell · Jan 19, 2024Peer-reviewedMolecular Biology
Agnieszka Lukaszewicz, Julian Lange, Scott Keeney, Maria Jasin
The paper identifies deletion and duplication events caused by double cuts at recombination hotspots in mouse germlines, revealing their role in meiotic mutagenesis.
Cell · Nov 1, 2021Peer-reviewedMolecular Biology
Rohit Prakash, Thomas Sandoval, Florian Morati, Jennifer Zagelbaum, Pei Xin Lim, Travis White, Brett Taylor, Raymond Wang, Emilie C. B. Desclos, Meghan R. Sullivan, Hayley L. Rein, Kara Anne Bernstein, Przemek M. Krawczyk, Jean Gautier, Mauro Modesti, , Maria Jasin
This study identifies the SWS1-SWSAP1-SPIDR complex as a regulator of distinct homologous recombination pathways, with specific roles in inter-homolog HDR and cancer-related genomic instability.
Nature Communications · Jul 12, 2021Peer-reviewedMolecular Biology
Michael V. Zuccaro, Jia L. Xu, Carl A. Mitchell, Diego Marín, Raymond Zimmerman, Bhavini Rana, Everett Weinstein, Rebeca T. King, Katherine L. Palmerola, Morgan Elizabeth Smith, Stephen H. Tsang, Robin Goland, Maria Jasin, Rogerio A. Løbo, Nathan R. Treff, Dieter M. Egli
The paper evaluates Cas9-induced repair outcomes at the EYS locus in human embryos, showing microhomology-mediated end joining restores reading frames without mosaicism, while unrepaired breaks lead to chromosome loss.
Cell · Oct 29, 2020Peer-reviewedGenetics
Laurent Acquaviva, Michiel Boekhout, Mehmet E. Karasu, Kevin Brick, Florencia Pratto, Tao Li, Megan van Overbeek, Liisa Kauppi, R. Daniel Camerini‐Otero, Maria Jasin, Scott Keeney
The paper identifies cis- and trans-acting factors that drive meiotic DNA break formation in the mouse pseudoautosomal region, revealing structural and molecular mechanisms essential for recombination and segregation.
Nature · May 27, 2020Peer-reviewedMolecular Biology
Shaun Peterson, Scott Keeney, Maria Jasin
The paper investigates meiotic crossover mechanisms in mice by analyzing heteroduplex DNA in Msh2-/- mutants, finding MSH2-independent correction and biased crossover resolution.
Molecular Cell · May 1, 2020Peer-reviewedGenetics
The paper investigates replication stress and 53BP1 nuclear body formation in BRCA2-deficient human mammary cells, showing their link to G1 arrest and genome instability.
bioRxiv · Nov 5, 2018 · PreprintMolecular Biology
Agnieszka Lukaszewicz, Julian Lange, Scott Keeney, Maria Jasin
This paper reviews ATM's role in regulating meiotic DSB numbers and distribution, discussing its evolutionary conservation and future research directions.
Cell Cycle · May 19, 2018Peer-reviewedGenetics
Carla M. C. Abreu, Rohit Prakash, Peter J. Romanienko, Ignasi Roig, Scott Keeney, Maria Jasin
This study shows that the mouse SWS1-SWSAP1 complex is essential for meiotic recombination by promoting RAD51 and DMC1 focus formation, with BRCA2 C terminus playing a modulatory role.
bioRxiv · Dec 22, 2017 · PreprintGenetics
Shintaro Yamada, Seoyoung Kim, Sam E. Tischfield, Maria Jasin, Julian Lange, Scott Keeney
This study investigates the genomic and chromatin features influencing meiotic DSB formation and repair in mice, identifying roles for PRDM9 and ATM in hotspot activity and recombination outcomes.
Cell Cycle · Aug 18, 2017Peer-reviewedGenetics
Esther de Boer, Maria Jasin, Scott Keeney
This study examines sex-specific differences in meiotic recombination outcomes at two mouse hotspots, finding sex-specific biases in crossover formation and showing DSB frequency is not the sole determinant of crossover frequency.
bioRxiv · Jul 19, 2015Genetics