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| Open AccessRole of UPF1-LIN28A interaction during early differentiation of pluripotent stem cells
UPF1 and LIN28A are RNA-binding proteins involved in post-transcriptional regulation and cell differentiation. Here, authors report that they interact with each other via specific domains and regulate ectodermal specialization of human pluripotent stem cells.
- Seungwon Jung
- , Seung Hwan Ko
- & Jungwook Hwang
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Article
| Open AccessUnique adipose tissue invariant natural killer T cell subpopulations control adipocyte turnover in mice
Invariant natural killer T (iNKT) cells have recently been reported to play a key role in adipose tissue homeostasis. Here, the authors show that adipose tissue iNKT cells mediate immune responses that control adipocyte turnover in mice.
- Sang Mun Han
- , Eun Seo Park
- & Jae Bum Kim
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Article
| Open AccessReassessing endothelial-to-mesenchymal transition in mouse bone marrow: insights from lineage tracing models
Endothelial cells (ECs) and bone marrow stromal cells (BMSCs) support hematopoiesis and hematopoietic regeneration. Whether ECs are a source of BMSCs remains unclear. Here, using lineage tracing models the authors show that ECs are not a source of BMSCs during homeostasis and regeneration.
- Jia Cao
- , Ling Jin
- & Hui Xie
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Article
| Open AccessAdult stem cell activity in naked mole rats for long-term tissue maintenance
Authors report that long-term intestinal tissue maintenance in naked mole rats is achieved by having an expanded pool of slow-dividing adult stem cells while a higher proportion of differentiated cells confer enhanced function and protection to the intestinal mucosa.
- Shamir Montazid
- , Sheila Bandyopadhyay
- & Shazia Irshad
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Article
| Open AccessCommon and divergent gene regulatory networks control injury-induced and developmental neurogenesis in zebrafish retina
The molecular mechanisms controlling injury-dependent neuronal regeneration are largely unknown. Here, the authors use integrated multiomic analysis to characterize gene regulatory networks controlling injury-induced neurogenesis in zebrafish retina
- Pin Lyu
- , Maria Iribarne
- & Seth Blackshaw
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Article
| Open AccessEfficient generation of a self-organizing neuromuscular junction model from human pluripotent stem cells
Here, Urzi et al. pioneered a 2D self-organizing neuromuscular junction (soNMJ) model from human pluripotent stem cells, with implications for neuromuscular disease modeling and drug screening approaches.
- Alessia Urzi
- , Ines Lahmann
- & Mina Gouti
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| Open AccessAlveolar epithelial progenitor cells require Nkx2-1 to maintain progenitor-specific epigenomic state during lung homeostasis and regeneration
Alveolar epithelial progenitors in the lungs can regenerate the epithelial surface after acute injury. Here they generate lung organoids that can be used to study lung regeneration after injury and identify Nkx2-1 as a key regulator of alveolar progenitor activation.
- Andrea Toth
- , Paranthaman Kannan
- & William J. Zacharias
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Article
| Open AccessEssential transcription factors for induced neuron differentiation
Using integrative multi-omics and CRISPR knock-out of all ~1,900 transcription factors, the authors identify essential transcription factors required for Neurogenin-driven differentiation of human cortical neurons.
- Congyi Lu
- , Görkem Garipler
- & Neville E. Sanjana
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Article
| Open AccessDPPIV+ fibro-adipogenic progenitors form the niche of adult skeletal muscle self-renewing resident macrophages
Although macrophages infiltrating the skeletal muscles are known to be important in muscle growth and repair, much less is known about muscle-resident macrophages. Here, the authors identify a fibro-adipogenic progenitor niche involved in the maintenance of skeletal muscle-resident macrophages.
- Farshad Babaeijandaghi
- , Nasim Kajabadi
- & Fabio M. V. Rossi
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Article
| Open AccessA patterned human primitive heart organoid model generated by pluripotent stem cell self-organization
Pluripotent stem cell-derived organoids can recapitulate significant hallmarks of human organ development and are becoming critical tools for human research. Here, the authors report significant technical steps for generating sophisticated synthetic human primitive heart organoids.
- Brett Volmert
- , Artem Kiselev
- & Aitor Aguirre
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Article
| Open AccessModeling cardiac fibroblast heterogeneity from human pluripotent stem cell-derived epicardial cells
Cardiac fibroblasts play an essential role in heart development. Here Fernandes et al. describe a human pluripotent stem cell-derived epicardial organoid system to investigate the role of fibroblasts in cardiovascular development and disease.
- Ian Fernandes
- , Shunsuke Funakoshi
- & Gordon Keller
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Article
| Open AccessRAAS-deficient organoids indicate delayed angiogenesis as a possible cause for autosomal recessive renal tubular dysgenesis
Autosomal Recessive Renal Tubular Dysgenesis (AR-RTD) arises from mutations in Angiotensin II sensing genes, but how they impact the kidney was unclear. This study reveals that delayed angiogenesis at a critical developmental window underlies AR-RTD.
- Naomi Pode-Shakked
- , Megan Slack
- & Raphael Kopan
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Article
| Open AccessGeneration of three-dimensional meat-like tissue from stable pig epiblast stem cells
Cultured meat technology promises to alleviate protein shortages, but still faces many challenges. Here, the authors achieve serum-free myogenic differentiation of porcine pre-gastrulation epiblast stem cells and generate meat-like tissue via edible plant-based scaffolds without any animal compounds.
- Gaoxiang Zhu
- , Dengfeng Gao
- & Jianyong Han
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Article
| Open AccessClonal hematopoiesis related TET2 loss-of-function impedes IL1β-mediated epigenetic reprogramming in hematopoietic stem and progenitor cells
The expansion of cells with TET2 mutations within the blood is associated with increased risk for all-cause mortality, development of leukemia and cardiovascular disease. Here authors show IL1 promotes the clonal expansion TET2 knockout cells, enhancing their self-renewal, promoting their myeloid bias and impairing an IL1 driven loss of methylation at lymphoid and erythroid regulatory elements.
- J. McClatchy
- , R. Strogantsev
- & A. Agarwal
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Article
| Open AccessEnhanced production of mesencephalic dopaminergic neurons from lineage-restricted human undifferentiated stem cells
The differentiation of human pluripotent stem cells into dopaminergic neurons is challenging. Here, the authors developed lineage-restricted undifferentiated stem cells, which have an enhanced ability for differentiating into dopaminergic neurons.
- Muyesier Maimaitili
- , Muwan Chen
- & Mark Denham
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Article
| Open AccessRole of PDGFRA+ cells and a CD55+ PDGFRALo fraction in the gastric mesenchymal niche
Digestive epithelia self-renew or differentiate in response to mesenchymal cues. Manieri et al. characterize gastric corpus and antral mesenchyme separately and identify PDGFRALo CD55+ cells as those selectively supporting epithelial growth in vitro.
- Elisa Manieri
- , Guodong Tie
- & Ramesh A. Shivdasani
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Article
| Open AccessThe SPOC proteins DIDO3 and PHF3 co-regulate gene expression and neuronal differentiation
Death-inducer obliterator 3 (DIDO3) and PHD finger protein 3 (PHF3) are paralogue proteins that regulate transcription elongation by docking onto phosphorylated serine-2 in the C-terminal domain (CTD) of Pol II through their SPOC domains. Here the authors characterize the interplay of these proteins and show that they coregulate neuronal target genes.
- Johannes Benedum
- , Vedran Franke
- & Dea Slade
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Article
| Open AccessSPINK1-induced tumor plasticity provides a therapeutic window for chemotherapy in hepatocellular carcinoma
In liver cancer, the presence of tumour-initiating cell subsets are associated with poorer prognosis and chemotherapy resistance in liver cancer. Here, the authors show that upon treatment with 5-FU or cisplatin, this subset releases SPINK1 which binds EGFR, activating the ERK-CDK4/6-E2F2 signaling cascade and resulting in chemoresistance.
- Ki-Fong Man
- , Lei Zhou
- & Stephanie Ma
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Article
| Open AccessTemporal morphogen gradient-driven neural induction shapes single expanded neuroepithelium brain organoids with enhanced cortical identity
PSC-brain organoids are typically formed by static medium switches. Here, authors show that a temporal morphogen gradient during neural induction allows the formation of well-specified cortical organoids with a self-organized single neuroepithelium.
- Anna Pagliaro
- , Roxy Finger
- & Benedetta Artegiani
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Article
| Open AccessAutophagy drives the conversion of developmental neural stem cells to the adult quiescent state
Neural stem cells in the adult mammalian brain derive from proliferating precursors that are spared as dormant reservoirs during development. Here, the authors show that autophagy is required for neural stem cells to transition to the adult quiescent state.
- Isabel Calatayud-Baselga
- , Lucía Casares-Crespo
- & Helena Mira
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| Open AccessA reversible state of hypometabolism in a human cellular model of sporadic Parkinson’s disease
Mitochondrial dysfunction is a contributing factor in Parkinson’s disease. Here the authors carry out a multilayered omics analysis of Parkinson’s disease patient-derived neuronal cells, which reveals a reversible hypometabolism mediated by α-ketoglutarate dehydrogenase deficiency, which is correlated with disease progression in the donating patients.
- Sebastian Schmidt
- , Constantin Stautner
- & Wolfgang Wurst
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Article
| Open AccessNod1-dependent NF-kB activation initiates hematopoietic stem cell specification in response to small Rho GTPases
The signals that enable endothelial cells to switch to hemogenic to generate hematopoietic stem cells are poorly understood. Here, the authors identify an intracellular sensor of pathogens as an inductive developmental cue that primes this switch.
- Xiaoyi Cheng
- , Radwa Barakat
- & Raquel Espin-Palazon
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Article
| Open AccessAcoustofluidic Interfaces for the Mechanobiological Secretome of MSCs
Efficient production of MSC secretome for therapeutic applications remains a challenging task. Here, the authors present an approach whereby an acoustofluidic mechanobiological environment can form reproducible 3D MSC aggregates, allowing for secretome production with high efficiency.
- Ye He
- , Shujie Yang
- & Tony Jun Huang
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Article
| Open AccessA distinct Acyl-CoA binding protein (ACBP6) shapes tissue plasticity during nutrient adaptation in Drosophila
Plasticity in tissue function and morphology is shaped by adaptive responses to nutrient changes. Here, the authors found that a putative calibration of acyl-CoA and acetyl-CoA metabolism through ACBP6 is crucial for Drosophila intestine’s proliferative homeostasis in response to nutrient changes.
- Xiaotong Li
- & Jason Karpac
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Article
| Open AccessApoptotic dysregulation mediates stem cell competition and tissue regeneration
The authors show that depletion of pro-apoptotic Bax protein bestows hair follicle stem cells with the capacity to eliminate viable neighboring cells by sequestration of TNFα, resulting in an increased stem cell pool, accelerated wound repair and de novo hair follicle regeneration.
- Marianna Yusupova
- , Roi Ankawa
- & Yaron Fuchs
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Article
| Open AccessMesenchymal stromal cells alleviate depressive and anxiety-like behaviors via a lung vagal-to-brain axis in male mice
Major depressive disorder is a major public health problem. Here, the authors illustrate that mesenchymal stromal cells exert antidepressant and anxiolytic effects through a pulmonary vagal→ nucleus tractus solitarius → 5-HT dorsal raphe nucleus neural pathway in murine depression models.
- Jing Huang
- , Weijun Huang
- & Andy Peng Xiang
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Article
| Open AccessFate specification is spatially intermingled across planarian stem cells
Stem cells can select among a wide array of fates. Here, the authors utilize spatial transcriptomics and three-dimensional neighborhood analysis to uncover that fate choices in planarian stem cells occur in a highly intermingled pattern.
- Chanyoung Park
- , Kwadwo E. Owusu-Boaitey
- & Peter W. Reddien
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Article
| Open AccessPAX3-FOXO1 dictates myogenic reprogramming and rhabdomyosarcoma identity in endothelial progenitors
Histologically, PAX3-FOXO1 (P3F) fusion-positive rhabdomyosarcoma (FP-RMS) resembles muscles cells, however, its cell-of-origin is less clear. Here, the authors demonstrate that P3F expression induces endothelial cells reprogramming into functional myogenic stem cells, driving the formation of FP-RMS in mouse models.
- Madeline B. Searcy
- , Randolph K. Larsen IV
- & Mark E. Hatley
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Article
| Open AccessIntra- and inter-molecular regulation by intrinsically-disordered regions governs PUF protein RNA binding
FBF-2 and LST-1 repress gld-1 mRNA expression to maintain C. elegans germline stem cells. The authors show that an intrinsically-disordered region of FBF-2 autoinhibits its RNA binding. LST-1 antagonizes this interaction to promote RNA binding.
- Chen Qiu
- , Zihan Zhang
- & Traci M. Tanaka Hall
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Article
| Open AccessProenkephalin-A secreted by renal proximal tubules functions as a brake in kidney regeneration
The coordination of pro- and anti-regenerative factors is essential for organ regeneration. The authors show here that proenkephalin-A, secreted by proximal renal tubules in zebrafish, negatively regulates hydrogen peroxide production remodelling H3K4me3 in renal progenitor cells and controlling kidney regeneration strength.
- Chi Liu
- , Xiaoliang Liu
- & Jinghong Zhao
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Article
| Open AccessFunctional dissection of PRC1 subunits RYBP and YAF2 during neural differentiation of embryonic stem cells
RYBP and YAF2 are a pair of paralog subunits of variant PRC1. Here, authors show that RYBP decrease but YAF2 increase during mESC neural differentiation, and that they are not redundant but function differentially in regulating this differentiation.
- Yanjiang Liu
- , Gongcheng Hu
- & Hongjie Yao
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Article
| Open AccessGli1 marks a sentinel muscle stem cell population for muscle regeneration
Adult skeletal muscle regeneration is mainly driven by muscle stem cells (MuSCs), which are highly heterogeneous. Here, the authors found that a population of MuSCs, marked by Gli1 expression, is key contributor to muscle regeneration.
- Jiayin Peng
- , Lili Han
- & Yun Zhao
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Article
| Open AccessOptogenetic control of YAP reveals a dynamic communication code for stem cell fate and proliferation
The transcriptional regulator YAP controls cellular decisions such as proliferation, differentiation, and pluripotency. Here, the authors show a concentration-dependent and temporal communication code for YAP that enables cells to choose between these programs.
- Kirstin Meyer
- , Nicholas C. Lammers
- & Orion D. Weiner
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Article
| Open AccessCRISPR-Cas9 engineering of the RAG2 locus via complete coding sequence replacement for therapeutic applications
RAG2-SCID is a primary immunodeficiency caused by mutations in Recombination-activating gene 2 (RAG2). Here the authors report a RAG2 correction strategy that replaces the entire endogenous coding sequence (CDS) to maintain the endogenous spatiotemporal gene regulation and locus architecture.
- Daniel Allen
- , Orli Knop
- & Ayal Hendel
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Article
| Open AccessEbf3+ niche-derived CXCL12 is required for the localization and maintenance of hematopoietic stem cells
CAR cells act as HSC niche cells. Here the authors show that CXCL12 ablation in half CAR cells attracts HSCs from affected CAR cells to intact CAR cells whereas CXCL12 ablation in all CAR cells depletes balanced HSCs producing B cells at high levels.
- Taichi Nakatani
- , Tatsuki Sugiyama
- & Takashi Nagasawa
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Article
| Open AccessOrganoids transplantation attenuates intestinal ischemia/reperfusion injury in mice through L-Malic acid-mediated M2 macrophage polarization
Intestinal ischemia/reperfusion (I/R) injury is a life-threatening problem in surgeries. Here, authors report that intestinal organoids transplantation attenuates intestinal I/R injury in mice through L-Malic acid-mediated M2 macrophage polarization.
- Fang-Ling Zhang
- , Zhen Hu
- & Ke-Xuan Liu
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Article
| Open AccessMetabolic regulation of proteome stability via N-terminal acetylation controls male germline stem cell differentiation and reproduction
How cellular metabolism is connected to differentiation remains poorly understood. Here the authors report a regulatory cascade in which circulating citrate regulates sperm production by controlling protein stability via a specific protein post-translational modification.
- Charlotte M. François
- , Thomas Pihl
- & Bruno Hudry
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Article
| Open AccessHierarchical assembly of tryptophan zipper peptides into stress-relaxing bioactive hydrogels
Rational design has endowed self-assembling peptides with structural similarities to natural materials, but recreating the dynamic functional properties inherent to natural systems remains challenging. Here the authors report the discovery of a short peptide based on the tryptophan zipper motif, that shows multiscale hierarchical ordering into hydrogels that display emergent dynamic properties.
- Ashley K. Nguyen
- , Thomas G. Molley
- & Kristopher A. Kilian
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Article
| Open AccessPhase separation of BuGZ regulates gut regeneration and aging through interaction with m6A regulators
Phase separation serves to compartmentalize and concentrate cellular components to facilitate essential physiological processes. Here, the authors elucidate the role and mechanism of BuGZ-mediated phase separation in the context of gut regeneration and aging.
- Qiaoqiao Zhang
- , Kai Deng
- & Hao Jiang
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Article
| Open AccessA DEAD-box helicase drives the partitioning of a pro-differentiation NAB protein into nuclear foci
The mechanism of spatiotemporal gene regulation during animal development is a fundamental question in biology. Here the authors show that the DEAD-box helicase DDX-23 controls stem cell fate by driving the formation of NAB repressive transcriptional condensates.
- Akiko Doi
- , Gianmarco D. Suarez
- & H. Robert Horvitz
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Article
| Open AccessSpecies-specific metabolic reprogramming in human and mouse microglia during inflammatory pathway induction
The innate immune cells undergo metabolic reprogramming upon inflammation. Here, the authors report that both mouse and human microglia display a metabolic reprogramming in the presence of a TLR4 activation, however species-specific enzymes are responsible for this process.
- Angélica María Sabogal-Guáqueta
- , Alejandro Marmolejo-Garza
- & Amalia Dolga
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Article
| Open AccessFertility-preserving myeloablative conditioning using single-dose CD117 antibody-drug conjugate in a rhesus gene therapy model
Successful engraftment of human hematopoietic stem cells during gene therapy requires myeloablative conditioning of the recipient, at the expense of toxicity. Authors show here that a single-dose of anti-CD117 antibody-drug conjugate achieves similar engraftment results as traditional multi-dose busulfan conditioning but preserves fertility in a non-human primate model.
- Naoya Uchida
- , Ulana Stasula
- & John F. Tisdale
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Article
| Open AccessHMGA2 directly mediates chromatin condensation in association with neuronal fate regulation
High-mobility group AT-hook (HMGA) proteins 1 and 2 are nonhistone chromatin proteins involved in different biological processes. Here the authors reveal that HMGA2 is a bona fide chromatin condensation factor that undergoes liquid–liquid phase separation, and that its chromatin condensation activity is important for the maintenance of mouse neural progenitor cells.
- Naohiro Kuwayama
- , Tomoya Kujirai
- & Yukiko Gotoh
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Article
| Open AccessProteogenetic drug response profiling elucidates targetable vulnerabilities of myelofibrosis
Myelofibrosis is a form of myeloproliferative neoplasm with few treatment options available. Here, the authors profiled drug responses and proteomics ex vivo and identify molecularly-guided treatment strategies, including HDAC and BET inhibitors for CALR mutant myelofibrosis patients.
- Mattheus H. E. Wildschut
- , Julien Mena
- & Berend Snijder
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Article
| Open AccessMulti-species atlas resolves an axolotl limb development and regeneration paradox
Single-cell transcriptomic cross-species comparison identifies critical limb developmental cell type apical-ectodermal ridge in the prime limb regeneration model axolotl, and its differential usage during amphibian limb regeneration.
- Jixing Zhong
- , Rita Aires
- & Can Aztekin
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Article
| Open AccessSubventricular zone cytogenesis provides trophic support for neural repair in a mouse model of stroke
The functions of newborn cells arising from the subventricular zone in response to stroke have been unclear. Here, the authors show that cells migrating from the subventricular zone after stroke promote brain repair and functional recovery in mice.
- Michael R. Williamson
- , Stephanie P. Le
- & Michael R. Drew
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Article
| Open AccessLuminal Rank loss decreases cell fitness leading to basal cell bipotency in parous mammary glands
Rocha and co-authors show that loss of luminal Rank signaling causes abnormal alveolar differentiation and lactation failure. Subsequent pregnancies activate bipotency in basal cells, replacing unfit luminal cells, and restoring lactation.
- Ana Sofia Rocha
- , Alejandro Collado-Solé
- & Eva González-Suárez
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Article
| Open AccessMechanically induced pyroptosis enhances cardiosphere oxidative stress resistance and metabolism for myocardial infarction therapy
Therapeutic options for myocardial infarction therapy remain limited. Here the authors report the application of an optimized liquid crystal substrate in the mass production and effective preconditioning of cardiospheres, which could generate cardiospheres with improved cell bioactivity and resistance to oxidative stress for myocardial infarction therapy.
- Yingwei Wang
- , Qi Li
- & Zheng Wu
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Article
| Open AccessIFNγ-Stat1 axis drives aging-associated loss of intestinal tissue homeostasis and regeneration
Omrani, Krepelova et al. report that aging-induced proinflammatory IFNγ/Stat1 signalling primes intestinal stem cells to a secretory fate and to antigen presenting cells impairing the regenerative capacity of the aging gut epithelium.
- Omid Omrani
- , Anna Krepelova
- & Francesco Neri
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