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Cell Biology
Jun Xia, Mengyao Liu, Caiying Zhu, Shicheng Liu, Lanlan Ai, Dongyuan Ma, Ping Zhu, Lu Wang, Feng Liu
Summary: Using single-cell multi-omics, lineage tracing and functional assays, it was discovered that hematopoietic stem and progenitor cells (HSPCs) originate from heterogeneous hemogenic endothelial cells (HECs) during zebrafish embryogenesis. The study revealed the importance of Spi2 in the endothelial-to-hematopoietic transition process and identified molecular determinants of HSPC heterogeneity. These findings provide a foundation for new strategies for inducing lineage-primed HSPCs for transplantation in vitro.
Article
Multidisciplinary Sciences
Lisa Bast, Michele C. Buck, Judith S. Hecker, Robert A. J. Oostendorp, Katharina S. Goetze, Carsten Marr
Summary: Traditionally, hematopoietic stem cell differentiation was believed to occur in a specific hierarchical manner, but recent research has shown alternative pathways. Through experimental data, mathematical models, and samples from healthy human donors, it was found that the classical hematopoiesis model is preferred in most cases, with exceptions where differentiation of multipotent lymphoid progenitors into granulocyte-monocyte progenitors is plausible.
Article
Cell Biology
Zihan Xu, Libing He, Yilin Wu, Lu Yang, Cheng Li, Hong Wu
Summary: Loss of PTEN alters chromatin accessibility and leads to changes in lineage potentials of fetal liver HSCs, with PU.1 playing a critical role in modulating the epigenetic state and lineage plasticity of prepro-B progenitors.
Review
Immunology
Kalina T. Belcheva, Jayanta Chaudhuri
Summary: The maintenance of B cell identity relies on active transcriptional control, and disruptions to this regulatory network can compromise cell function and induce cell fate plasticity. B lymphocytes serve as an insightful case study for understanding cellular plasticity and the role of master regulators in maintaining cell lineage stability.
JOURNAL OF IMMUNOLOGY
(2022)
Article
Immunology
Xianzhi Gao, Xin Shen, Kuai Liu, Chenyu Lu, Ying Fan, Qianying Xu, Xiaoyu Meng, Shenghui Hong, Zhengwei Huang, Xia Liu, Linrong Lu, Lie Wang
Summary: This study revealed the critical role of ThPOK in regulating the homeostasis and functions of ILC3 subsets.
FRONTIERS IN IMMUNOLOGY
(2022)
Article
Medicine, General & Internal
Hailong Zhou, Jianmin Jiang, Xiaohua Chen, Zhiwei Zhang
Summary: This study investigated the genes, miRNAs, pathways, and miRNA-gene interaction pairs involved in female osteoporosis. The results revealed the important roles of miRNAs and genes in the pathogenesis of osteoporosis, and identified several pathways related to the disease.
Article
Biochemistry & Molecular Biology
Yapu Li, Ding Wang, Hongtao Wang, Xin Huang, Yuqi Wen, BingRui Wang, Changlu Xu, Jie Gao, Jinhua Liu, Jingyuan Tong, Mengge Wang, Pei Su, Sirui Ren, Feng Ma, Hong-Dong Li, Emery H. Bresnick, Jiaxi Zhou, Lihong Shi
Summary: - Alternative splicing plays a crucial role in hematopoietic development of human pluripotent stem cells.
- A switch in splicing factor occurs during the differentiation from mesodermal cells to endothelial progenitor cells.
- The EPC-induced alternative spliced isoform of NUMB dictates EPC specification by controlling NOTCH signaling.
Article
Genetics & Heredity
Wanrui Fu, Guzailinuer Kadeer, Yaqi He, Ying Feng
Summary: This study investigated the mechanism of mitochondrial dysfunction in sarcopenia using the GEO database. Key genes related to oxidative phosphorylation and mitochondrial ribosomal proteins were identified through WGCNA and ROC curve analysis. Furthermore, transcription factor-key gene and miRNA-key gene networks were constructed. The findings provide a novel insight into the pathological mechanism of sarcopenia.
FRONTIERS IN GENETICS
(2022)
Article
Cell Biology
Maria Jassinskaja, Kristyna Pimkova, Nejc Arh, Emil Johansson, Mina Davoudi, Carlos-Filipe Pereira, Ewa Sitnicka, Jenny Hansson
Summary: This study used mass spectrometry and functional assays to investigate the proteomic mechanisms regulating hematopoiesis, revealing distinct features and differentiation capacities between fetal and adult lympho-myeloid multipotent progenitors and granulocyte-monocyte progenitors. The results suggest a specific requirement of myosin activity for myelopoiesis in adult multipotent progenitors and an ontogenic shift in monocytic differentiation capacity of granulocyte-monocyte progenitors driven by differential expression of Irf8.
Article
Biochemistry & Molecular Biology
Eliana Toren, Yanping Liu, Maigen Bethea, Alexa Wade, Chad S. Hunter
Summary: Pancreatic islet cell development is regulated by transcription factors, and the interaction between Isl1 and Ldb1 is crucial for the maturation and function of islet cells. Ldb1 is expressed in multipotent progenitor cells and endocrine progenitor cells, affecting the formation and function of islets. The loss of Ldb1 leads to a reduction in endocrine cells and dysglycemia, which may have important implications for improving cell-based diabetes therapies.
Article
Biology
Karen Hoffmann, Benedikt Obermayer, Katja Hoenzke, Diana Fatykhova, Zeynep Demir, Anna Loewa, Luiz Gustavo Teixeira Alves, Emanuel Wyler, Elena Lopez-Rodriguez, Maren Mieth, Morris Baumgardt, Judith Hoope, Theresa C. Firsching, Mario Toennies, Torsten T. Bauer, Stephan Eggeling, Hong-Linh Tran, Paul Schneider, Jens Neudecker, Jens C. Rueckert, Achim D. Gruber, Matthias Ochs, Markus Landthaler, Dieter Beule, Norbert Suttorp, Stefan Hippenstiel, Andreas C. Hocke, Mirjana Kessler
Summary: The GSK3 inhibitor CHIR99021 is necessary for the maintenance of the alveolar lineage and regulates the differentiation of alveolar progenitors. Single-cell RNA-sequencing analysis identified subclusters enriched for adult stem cell signature genes in alveolar progenitors. The presence of the GSK-3 beta inhibitor, CHIR99021, determines the direction of differentiation, and RNA-seq profiling revealed additional target genes of the inhibitor, suggesting independent regulatory mechanisms of alveolar specification.
COMMUNICATIONS BIOLOGY
(2022)
Review
Plant Sciences
Lucia Strader, Dolf Weijers, Doris Wagner
Summary: This article reviews new findings on the function of plant transcription factors and their role in shaping transcription in the context of chromatin.
CURRENT OPINION IN PLANT BIOLOGY
(2022)
Review
Biochemistry & Molecular Biology
Stefanie A. I. Weiss, Salome R. T. Rehm, Natascha C. Perera, Martin L. Biniossek, Oliver Schilling, Dieter E. Jenne
Summary: The deepest evolutionary branches of the trypsin/chymotrypsin family of serine proteases are represented by digestive enzymes in the gastrointestinal tract and multi-domain proteases in the blood coagulation and complement system. The immune defense system in vertebrates has developed diverse cleavage specificities similar to the ancient digestive system. Neutrophil serine proteases (NSPs) have a broad range of specificities and trace their origin back to a circulating liver-derived trypsin-like protease. These serine proteases are produced in precursor cells in the bone marrow and safely stored in granules in circulating neutrophils, with their actions tightly controlled by various factors such as recruitment and activation of neutrophils and soluble inhibitors in different body fluids. The high structural plasticity of the trypsin fold has enabled an extraordinary dynamic range and rapid defense responses.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2021)
Article
Cell Biology
Camila B. Lopez-Anido, Anne Vaten, Nicole K. Smoot, Nidhi Sharma, Victoria Guo, Yan Gong, M. Ximena Anleu Gil, Annika K. Weimer, Dominique C. Bergmann
Summary: The study investigates the development and regulation of stomatal lineage in Arabidopsis leaf epidermis, revealing detailed cell differentiation processes using single-cell transcriptomics and genetics. It identifies the extended role of transcriptional regulator in reinforcing cell fate commitment through integration of genome-scale datasets and precise functional manipulations.
DEVELOPMENTAL CELL
(2021)
Article
Biochemical Research Methods
Joanna Handzlik, Manu
Summary: The study reveals that the overall structure of the gene network involved in blood cell development is densely interconnected rather than hierarchical, and the differentiation of cell types is determined by a complex network of genes. The study demonstrates the importance of combining high-resolution time series data with machine learning approaches to infer the structure and causality of gene regulatory networks.
PLOS COMPUTATIONAL BIOLOGY
(2022)
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Oncology
Sandra Dolz, Paloma Garcia, Marta Llop, Oscar Fuster, Irene Luna, Mariam Ibanez, Ines Gomez, Maria Lopez, Esperanza Such, Jose Cervera, Miguel A. Sanz, Inmaculada De Juan, Sarai Palanca, Rosa Murria, Pascual Bolufer, Eva Barragan
LEUKEMIA & LYMPHOMA
(2016)
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Cell & Tissue Engineering
Hiroshi Sakamoto, Naoki Takeda, Fumio Arai, Kentaro Hosokawa, Paloma Garcia, Toshio Suda, Jon Frampton, Minetaro Ogawa
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Oncology
M. Clarke, G. Volpe, L. Sheriff, D. Walton, C. Ward, W. Wei, S. Dumon, P. Garcia, J. Frampton
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Biochemistry & Molecular Biology
F. Iltzsche, K. Simon, S. Stopp, G. Pattschull, S. Francke, P. Wolter, S. Hauser, D. J. Murphy, P. Garcia, A. Rosenwald, S. Gaubatz
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Oncology
Rachel Bayley, Daniel Blakemore, Laila Cancian, Stephanie Dumon, Giacomo Volpe, Carl Ward, Ruba Almaghrabi, Jidnyasa Gujar, Natasha Reeve, Manoj Raghavan, Martin R. Higgs, Grant S. Stewart, Eva Petermann, Paloma Garcia
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Immunology
Ewan A. Ross, Adriana Flores-Langarica, Saeeda Bobat, Ruth E. Coughlan, Jennifer L. Marshall, Jessica R. Hitchcock, Charlotte N. Cook, Manuela M. Carvalho-Gaspar, Andrea M. Mitchell, Mary Clarke, Paloma Garcia, Mark Cobbold, Tim J. Mitchell, Ian R. Henderson, Nick D. Jones, Graham Anderson, Christopher D. Buckley, Adam F. Cunningham
EUROPEAN JOURNAL OF IMMUNOLOGY
(2014)
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Biochemistry & Molecular Biology
Elizabeth J. Haining, Jing Yang, Rebecca L. Bailey, Kabir Khan, Richard Collier, Schickwann Tsai, Steve P. Watson, Jon Frampton, Paloma Garcia, Michael G. Tomlinson
JOURNAL OF BIOLOGICAL CHEMISTRY
(2012)
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Oncology
M. Clarke, S. Dumon, C. Ward, R. Jaeger, S. Freeman, B. Dawood, L. Sheriff, M. Lorvellec, R. Kralovics, J. Frampton, P. Garcia
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Oncology
G. Volpe, D. S. Walton, W. Del Pozzo, P. Garcia, E. Dasse, L. P. O'Neill, M. Griffiths, J. Frampton, S. Dumon
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Oncology
Oscar Fuster, Marta Llop, Sandra Dolz, Paloma Garcia, Esperanza Such, Mariam Ibanez, Irene Luna, Ines Gomez, Maria Lopez, Jose Cervera, Pau Montesinos, Federico Moscardo, Lourdes Cordon, Pilar Solves, Inmaculada de Juan, Sarai Palanca, Pascual Bolufer, Miguel Angel Sanz, Eva Barragan
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Biochemistry & Molecular Biology
R. M. Jones, O. Mortusewicz, I. Afzal, M. Lorvellec, P. Garcia, T. Helleday, E. Petermann
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Multidisciplinary Sciences
Giacomo Volpe, Mary Clarke, Paloma Garcia, David Scott Walton, Alexandros Vegiopoulos, Walter Del Pozzo, Laura Patricia O'Neill, Jonathan Frampton, Stephanie Dumon
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Multidisciplinary Sciences
Giacomo Volpe, David S. Walton, David E. Grainger, Carl Ward, Pierre Cauchy, Daniel Blakemore, Daniel J. L. Coleman, Peter N. Cockerill, Paloma Garcia, Jon Frampton
SCIENTIFIC REPORTS
(2017)
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Cell Biology
Carl Ward, Giacomo Volpe, Pierre Cauchy, Anetta Ptasinska, Ruba Almaghrabi, Daniel Blakemore, Monica Nafria, Doris Kestner, Jon Frampton, George Murphy, Yosef Buganim, Keisuke Kaji, Paloma Garcia
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Biology
Giacomo Volpe, Pierre Cauchy, David S. Walton, Carl Ward, Daniel Blakemore, Rachael Bayley, Mary L. Clarke, Luisa Schmidt, Claus Nerlov, Paloma Garcia, Stephanie Dumon, Florian Grebien, Jon Frampton
LIFE SCIENCE ALLIANCE
(2019)