Article
Neurosciences
Anzhelika Koldaeva, Cary Zhang, Yu-Pei Huang, Janine Kristin Reinert, Seiya Mizuno, Fumihiro Sugiyama, Satoru Takahashi, Taha Soliman, Hiroaki Matsunami, Izumi Fukunaga
Summary: This study aimed to identify differentially expressed genes between MCs and TCs in the mouse olfactory system and ultimately generate a cell type-specific Cre-driver line. After validating potential markers, Pkib and Lbdh2 remained promising candidates. Using gene editing technology, a new inducible Cre-driver line was established and shown to effectively genetically label MCs.
JOURNAL OF NEUROSCIENCE
(2021)
Article
Cell Biology
Joan Domingo-Reines, Gonzalo Martinez-Navajas, Rosa Montes, Mar Lamolda, Iris Simon, Julio Castano, Rosa Rios-Pelegrina, Javier Luis Lopez-Hidalgo, Raimundo Garcia del Moral, Juan A. Marchal, Pedro J. Real, Veronica Ramos-Mejia
Summary: Pediatric acute myeloid leukemia (AML) is a rare and heterogeneous disease that is the major cause of mortality in children with leukemia. Researchers report the generation and characterization of human embryonic stem cell clonal lines with inducible expression of NK5A, aiming to gain knowledge on its participation during the leukemogenic process.
FRONTIERS IN CELL AND DEVELOPMENTAL BIOLOGY
(2022)
Article
Cell & Tissue Engineering
Zhazheng He, Ke Feng, Hao Sun, Tianyi Yu, Dicong Zhu, Yang Yang
Summary: Researchers generated a novel type of pluripotent stem cell, hEPS1-iCas9-B, which possesses bi-potency and can be efficiently genetically modified for research purposes.
STEM CELL RESEARCH
(2022)
Article
Multidisciplinary Sciences
Xiangyang Li, Guiquan Zhang, Shisheng Huang, Yao Liu, Jin Tang, Mingtian Zhong, Xin Wang, Wenjun Sun, Yuan Yao, Quanjiang Ji, Xiaolong Wang, Jianghuai Liu, Shiqiang Zhu, Xingxu Huang
Summary: Strategies to improve the specificity of nuclease-based prime editor (PEn) are needed. Here the authors report a 53BP1-inhibitory ubiquitin variant-assisted PEn platform (uPEn) to inhibit NHEJ and enable precise prime editing for generation of insertions, deletions, and replacements.
NATURE COMMUNICATIONS
(2023)
Article
Biotechnology & Applied Microbiology
Chunwei Zheng, Shun-Qing Liang, Bin Liu, Pengpeng Liu, Suet-Yan Kwan, Scot A. Wolfe, Wen Xue
Summary: Prime editor (PE) has great potential for gene therapy, but it is challenging to deliver PE in vivo. In this study, a compact PE without the RNase H domain was developed, which showed comparable editing efficiency with full-length PE. Using a Cas9 split site, robust editing was achieved in both cells and mouse liver. Furthermore, the compact PE efficiently mediated gene insertion in mouse liver without the stop codon read-through effect observed with full-length PE, indicating its potential for advancing prime editing in vivo.
Article
Biotechnology & Applied Microbiology
Shengyao Zhi, Yuxi Chen, Guanglan Wu, Jinkun Wen, Jinni Wu, Qianyi Liu, Yang Li, Rui Kang, Sihui Hu, Jiahui Wang, Puping Liang, Junjiu Huang
Summary: Prime editor (PE) is a new genome editing tool that has the potential to correct the majority of known human genetic disease-related mutations. In this study, split-PEs were constructed and delivered using dual adenoassociated viruses (AAVs), successfully mediating gene editing in human cells and adult mouse retina.
Article
Biochemistry & Molecular Biology
Chuang Wei, Chong Wang, Meng Jia, Hong-Xuan Guo, Peng-Yu Luo, Mu-Gui Wang, Jian-Kang Zhu, Hui Zhang
Summary: A new deaminase, TadA8e, has been evolved in the laboratory to catalyze DNA deamination over 1,000 times faster than ABE7.10. The high-efficiency adenine base editor, rABE8e, shows substantially increased editing efficiencies at NG-protospacer adjacent motif (PAM) and NGG-PAM target sequences compared with ABEmax, with nearly 100% editing efficiency and high homozygous substitution rates at specific editing windows. This development benefits gene function research and precision molecular breeding by allowing rapid generation of plant materials with homozygous base substitutions.
JOURNAL OF INTEGRATIVE PLANT BIOLOGY
(2021)
Article
Biology
Hanqin Li, Oriol Busquets, Yogendra Verma, Khaja Mohieddin Syed, Nitzan Kutnowski, Gabriella R. Pangilinan, Luke A. Gilbert, Helen S. Bateup, Donald C. Rio, Dirk Hockemeyer, Frank Soldner
Summary: Recent development of prime editing technology has the potential to simplify the generation of human pluripotent stem cell-based disease models. It is more efficient and precise than conventional gene editing methods, particularly in generating disease-associated mutations. By optimizing the delivery modalities, editing efficiency can be further improved.
Article
Multidisciplinary Sciences
Jeonghun Kwon, Minyoung Kim, Seungmin Bae, Anna Jo, Youngho Kim, Jungjoon K. Lee
Summary: Prime editors (PEs) are powerful tools for genome editing, and this study presents a cell-based assay called TAPE-seq that can be used to predict genome-wide off-target candidates for PEs. TAPE-seq shows higher accuracy and reliability compared to other prediction methods.
NATURE COMMUNICATIONS
(2022)
Article
Cell & Tissue Engineering
Meng Zhou, Jie Ni, Pufeng Huang, Xujie Liu
Summary: ETV2, a member of Ets family of transcription factors, is crucial in embryonic vasculogenesis, angiogenesis and hematopoiesis. We generated a doxycycline-inducible ETV2 embryonic stem cell line (Dox-ETV2-H9) using H9 cell line and PiggyBac technology. Compared to previous studies using costly ETV2 modRNA, the tet-on system in Dox-ETV2-H9 cells allows precise manipulation of ETV2 expression, resulting in more efficient and controllable differentiation of endothelial cells upon addition of doxycycline.
STEM CELL RESEARCH
(2023)
Article
Multidisciplinary Sciences
Anita Feher, Andrea Schnur, Suchitra Muenthaisong, Tamas Bellak, Ferhan Ayaydin, Gyorgy Varady, Elisabeth Kemter, Eckhard Wolf, Andras Dinnyes
Summary: Stem cell therapy has the potential to replace beta-cell loss in diabetic patients, but maintaining the viability and function of the engrafted cells is a key challenge. A near-infrared fluorescent mutant version of a bacteriophytochrome, iRFP720, has been developed for in vivo imaging and stem/progenitor cell tracking. Researchers have successfully generated an iRFP720 expressing human induced pluripotent stem cell (iPSC) line using the CRISPR/Cas9 technology, which allows for real-time imaging in various biological applications.
SCIENTIFIC REPORTS
(2022)
Article
Cell & Tissue Engineering
Hyeong-Jun Han, Jung-Hyun Kim
Summary: TLR2 in the TLR family plays a fundamental role in recognizing pathogens and activating immune responses. Mutants of TLR2 gene in hiPSCs were generated using CRISPR-Cas9, and the edited cells maintain normal morphology and gene expression.
STEM CELL RESEARCH
(2021)
Article
Biochemistry & Molecular Biology
Kinga Vojnits, Mio Nakanishi, Deanna Porras, Yeonjoon Kim, Zhuohang Feng, Diana Golubeva, Mick Bhatia
Summary: This study demonstrates the application of the CRISPR/Cas9 system to knock in fluorescent proteins into endogenous genes in human pluripotent stem cells (hPSCs). The results show that the AAVS1 locus is a stable and consistent genomic location for reporter gene expression during differentiation. This finding has implications for high-content screening approaches and emphasizes the importance of careful evaluation and selection of reporter cell lines.
Article
Cell & Tissue Engineering
Diyu Chen, Bing Song, Yi Cheng, Lifen Zhu, Dian Lu, Nengqing Liu, Yinghong Yang, Xiaofang Sun
Summary: ZBTB7A plays crucial roles in various biological processes, including silencing of fetal gamma-globin genes, hematopoiesis, and transition from primed-to-naive state. It is also implicated in oncogenic transformation and tumor progression. The mechanism of ZBTB7A function remains incompletely understood, but a homozygous ZBTB7A knockout iPSC line has been successfully generated using CRISPR/Cas9 technology, providing a valuable tool for related research.
STEM CELL RESEARCH
(2021)
Article
Cell Biology
Shiting Liang, Youliang Wang, Meixia Kang, Juan Deng, Liting Chen, Xizhen Hong, Fan Fan Hou, Fujian Zhang
Summary: Protein reabsorption in renal proximal tubules is crucial for maintaining nutrient balance. We developed a new mouse model, AMN (CreERT2) knock-in mice, which express a fusion protein of Cre recombinase and estrogen receptor under the control of the AMN gene promoter specifically in renal proximal tubules. This model allows for the conditional knockout of genes in renal proximal tubules, providing valuable insights into their physiological function.
FRONTIERS IN CELL AND DEVELOPMENTAL BIOLOGY
(2023)
Letter
Cardiac & Cardiovascular Systems
Lei Tian, Angelos Oikonomopoulos, Chun Liu, Tomoya Kitani, Rajani Shrestha, Christopher L. Chen, Sang-Ging Ong, Mark Smeets, Ioannis Karakikes, Nazish Sayed, Joseph C. Wu
Article
Cardiac & Cardiovascular Systems
Thomas J. LaRocca, Timon Seeger, Maricela Prado, Isaac Perea-Gil, Evgenios Neofytou, Brigham H. Mecham, Mohamed Ameen, Alex Chia Yu Chang, Gaurav Pandey, Joseph C. Wu, Ioannis Karakikes
CIRCULATION-HEART FAILURE
(2020)
Article
Cell Biology
Kitchener D. Wilson, Mohamed Ameen, Hongchao Guo, Oscar J. Abilez, Lei Tian, Maxwell R. Mumbach, Sebastian Diecke, Xulei Qin, Yonggang Liu, Huaxiao Yang, Ning Ma, Sadhana Gaddam, Nathan J. Cunningham, Mingxia Gu, Evgenios Neofytou, Maricela Prado, Thomas B. Hildebrandt, Ioannis Karakikes, Howard Y. Chang, Joseph C. Wu
DEVELOPMENTAL CELL
(2020)
Article
Cardiac & Cardiovascular Systems
Yuan Zhang, Ioannis Karakikes
Summary: The growing recognition of human genetics and genomics in cardiovascular disease, coupled with the advancement of genome editing technologies like CRISPR-Cas9, has opened up new possibilities for applying genome editing in cardiovascular medicine. Recent developments in CRISPR-based tools have enhanced efficiency, precision, flexibility, and targeting capabilities, allowing for deeper insights into genotype-phenotype associations through large-scale genotyping and GWAS studies. The combination of genetic insights and cutting-edge technologies holds promise for uncovering novel disease mechanisms and potentially transforming genes into medicines, although challenges remain in translating genetic findings into therapeutic applications for cardiovascular diseases.
TRENDS IN CARDIOVASCULAR MEDICINE
(2021)
Article
Cell Biology
Francesca Briganti, Han Sun, Wu Wei, Jingyan Wu, Chenchen Zhu, Martin Liss, Ioannis Karakikes, Shannon Rego, Andrea Cipriano, Michael Snyder, Benjamin Meder, Zhenyu Xu, Gilles Millat, Michael Gotthardt, Mark Mercola, Lars M. Steinmetz
Article
Genetics & Heredity
Aviva Levitas, Emad Muhammad, Yuan Zhang, Isaac Perea Gil, Ricardo Serrano, Nashielli Diaz, Maram Arafat, Alexandra A. Gavidia, Michael S. Kapiloff, Mark Mercola, Yoram Etzion, Ruti Parvari, Ioannis Karakikes
Article
Cardiac & Cardiovascular Systems
Dries A. M. Feyen, Isaac Perea-Gil, Renee G. C. Maas, Magdalena Harakalova, Alexandra A. Gavidia, Jennifer Arthur Ataam, Ting-Hsuan Wu, Aryan Vink, Jiayi Pei, Nirmal Vadgama, Albert J. Suurmeijer, Wouter P. te Rijdt, Michelle Vu, Prashila L. Amatya, Maricela Prado, Yuan Zhang, Logan Dunkenberger, Joost P. G. Sluijter, Karim Sallam, Folkert W. Asselbergs, Mark Mercola, Ioannis Karakikes
Summary: This study uncovered the mechanisms of PLN R14del cardiomyopathy using single-cell RNA sequencing, revealing a protective effect of the unfolded protein response (UPR). The findings suggest that modulating the UPR could be a potential therapeutic strategy for treating PLN R14del cardiomyopathy.
Article
Cardiac & Cardiovascular Systems
Francois Haddad, Jennifer Arthur Ataam, Myriam Amsallem, Nicholas Cauwenberghs, Tatiana Kuznetsova, Yael Rosenberg-Hasson, Roham T. Zamanian, Ioannis Karakikes, Benjamin D. Horne, Joseph B. Muhlestein, Lydia Kwee, Svati Shah, Holden Maecker, Stacey Knight, Kirk Knowlton
Summary: This study identified the importance of the insulin-like growth factor (IGF) axis in heart failure with preserved ejection fraction (HFpEF). Through proteomic profiling, a set of IGF phenotypes associated with pulmonary hypertension and mortality in HFpEF were identified.
JOURNAL OF CARDIAC FAILURE
(2022)
Article
Cardiac & Cardiovascular Systems
Isaac Perea-Gil, Timon Seeger, Arne A. N. Bruyneel, Vittavat Termglinchan, Emma Monte, Esther W. Lim, Nirmal Vadgama, Takaaki Furihata, Alexandra A. Gavidia, Jennifer Arthur Ataam, Nike Bharucha, Noel Martinez-Amador, Mohamed Ameen, Pooja Nair, Ricardo Serrano, Balpreet Kaur, Dries A. M. Feyen, Sebastian Diecke, Michael P. Snyder, Christian M. Metallo, Mark Mercola, Ioannis Karakikes
Summary: This study established a phenotypic screening platform using DCM iPSC-CMs for therapeutic target discovery. It found that a combination of SMKIs ameliorated contractile and metabolic dysfunction in DCM iPSC-CMs through the ATF4-dependent serine biosynthesis pathway. These findings suggest that modulation of serine biosynthesis signaling may represent a novel genotype-agnostic therapeutic strategy for genetic DCM.
EUROPEAN HEART JOURNAL
(2022)
Article
Biochemistry & Molecular Biology
Jiongjia Cheng, Masanao Tsuda, Karl Okolotowicz, Mary Dwyer, Paul J. Bushway, Alexandre R. Colas, Joseph J. Lancman, Dennis Schade, Isaac Perea-Gil, Arne A. N. Bruyneel, Jaechol Lee, Nirmal Vadgama, Justine Quach, Wesley L. McKeithan, Travis L. Biechele, Joseph C. Wu, Randall T. Moon, P. Duc Si Dong, Ioannis Karakikes, John R. Cashman, Mark Mercola
Summary: The study revealed a molecular cascade linking stress signaling to the regulation of TCF/LEF transcriptional activity, providing insights into how stress can control cell shape and renewal. These findings have implications for understanding tissue morphogenesis and anticancer therapeutics.
CELL CHEMICAL BIOLOGY
(2021)
Article
Biology
Karina H. Nakayama, Marco Quarta, Patrick Paine, Cynthia Alcazar, Ioannis Karakikes, Victor Garcia, Oscar J. Abilez, Nicholas S. Calvo, Chelsey S. Simmons, Thomas A. Rando, Ngan F. Huang
COMMUNICATIONS BIOLOGY
(2019)