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| Open AccessDerivation of human primordial germ cell-like cells in an embryonic-like culture
Derivation of human primordial germ cell-like cells (hPGCLCs) is critical for reproductive medicine. Here, authors report the induction of hPGCLCs in a bioengineered human pluripotent stem cell culture that mimics peri-implantation human development.
- Sajedeh Nasr Esfahani
- , Yi Zheng
- & Jianping Fu
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Article
| Open AccessThe evolution of centriole degradation in mouse sperm
Centrioles have a conserved structure and function but have diversified in sperm. Here the authors provide insight into the molecular mechanisms and adaptive evolution underlying this diversification.
- Sushil Khanal
- , Ankit Jaiswal
- & Tomer Avidor-Reiss
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Article
| 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 AccessSTYXL1 regulates CCT complex assembly and flagellar tubulin folding in sperm formation
The sperm flagellum is composed of tubulin-based microtubules and is critical for sperm motility and thus male fertility. Here, the authors show that STYXL1 regulates CCT complex-facilitated tubulin folding and is essential for sperm flagella formation.
- Yu Chen
- , Mengjiao Luo
- & Xuejiang Guo
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Article
| Open AccessInnate immune and proinflammatory signals activate the Hippo pathway via a Tak1-STRIPAK-Tao axis
The evolutionally conserved Hippo pathway regulates essential developmental, homeostatic and regenerative processes, and is involved in the host defense against pathogens. Here authors show that in Drosophila Melanogaster and mammalian cells, innate immune stimuli activate Hippo via a pathway emanating from the Tak1 kinase and cascading down to Hippo via STRIPAK-Tao-Hpo signaling.
- Yinan Yang
- , Huijing Zhou
- & Bo Liu
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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 AccessMechanical control of neural plate folding by apical domain alteration
Theoretical and experimental observations argue that apical domain heterogeneity in the neural plate is a tug-of-war contest between constricted and elongated cells. This competition likely reflects mechanical forces operating during tissue bending.
- Miho Matsuda
- , Jan Rozman
- & Sergei Y. Sokol
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Article
| Open AccessDeciphering driver regulators of cell fate decisions from single-cell transcriptomics data with CEFCON
Deciphering the roles of gene regulation in cell fate decisions is crucial. Here, authors present CEFCON, a network-based framework that reveals cell-lineage-specific gene regulatory networks and identifies driver regulators controlling cell fate decisions from single-cell transcriptomics data.
- Peizhuo Wang
- , Xiao Wen
- & Jianyang Zeng
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Article
| 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 AccessLinRace: cell division history reconstruction of single cells using paired lineage barcode and gene expression data
Inferring lineage trees while incorporating gene expressions and lineage barcodes is a challenging task. Here, authors present LinRace, which infers improved cell lineage trees and ancestral cell states using the proposed asymmetric division model.
- Xinhai Pan
- , Hechen Li
- & Xiuwei Zhang
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Article
| Open AccessCytoglobin regulates NO-dependent cilia motility and organ laterality during development
Developmental defects in left-right cardiac determination in humans are associated with ciliary dysfunction and low airway epithelial nitric oxide production. Here, the authors show that cytoglobin is essential for nitric oxide signaling, cilia function, and left-right patterning during zebrafish development.
- Elizabeth R. Rochon
- , Jianmin Xue
- & Paola Corti
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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 Access5mC modification orchestrates choriogenesis and fertilization by preventing prolonged ftz-f1 expression
The mechanism by which DNA methylation regulates female reproduction in insects is largely unknown. Here Zhao et al. demonstrate that the 5mC modification orchestrates timely choriogenesis and proper fertilization by preventing prolonged ftz-f1 expression in the German cockroach.
- Zheng Zhao
- , Liang Li
- & Chonghua Ren
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Article
| Open AccessPuckered and JNK signaling in pioneer neurons coordinates the motor activity of the Drosophila embryo
How the stereotypical architecture of the nervous system is generated, and how this underlies function, is not well understood. Here, the authors show that JNK signaling in Drosophila pioneer neurons directs its structural organization, required for motor coordination.
- Katerina Karkali
- , Samuel W. Vernon
- & Enrique Martín-Blanco
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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 AccessAn archetype and scaling of developmental tissue dynamics across species
Limb tissue dynamics until basic skeletal pattern establishment exhibit a high degree of conservation between chick and frog after proper rescaling of spacetime, suggesting the presence of a species-independent archetype of morphogenetic dynamics.
- Yoshihiro Morishita
- , Sang-Woo Lee
- & Aiko Kawasumi-Kita
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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 AccessSEMA6A drives GnRH neuron-dependent puberty onset by tuning median eminence vascular permeability
Pubertal timing in mammals depends on the function of GnRH neurons that innervate the median eminence (ME) of the hypothalamus. Here, the authors show that Semaphorin 6A regulates GnRH innervation and puberty onset by tuning vascular permeability at the ME.
- Antonella Lettieri
- , Roberto Oleari
- & Anna Cariboni
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Article
| Open AccessMyeloid cells interact with a subset of thyrocytes to promote their migration and follicle formation through NF-κB
The mechanism underlying thyroid follicle formation is not well understood. Here, the authors show that a subgroup of NF-κB-activated thyrocytes, through interactions with myeloid cells, exhibit increased migration capacity to generate new follicles.
- Yang Rui-Meng
- , Song Shi-Yang
- & Song Huai-Dong
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Article
| Open AccessEarly-adult methionine restriction reduces methionine sulfoxide and extends lifespan in Drosophila
Dietary methionine restriction extends lifespans in many organisms. Here, the authors show in Drosophila that methionine restriction in early adulthood can increase lifespan and that the beneficial effect of the dietary manipulation declines with age.
- Hina Kosakamoto
- , Fumiaki Obata
- & Masayuki Miura
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Article
| Open AccessIdentification of PCPE-2 as the endogenous specific inhibitor of human BMP-1/tolloid-like proteinases
Most proteases have their own endogenous, specific inhibitors which protect living organisms from the deleterious effects of excessive proteolytic activity. Here, authors identify PCPE-2 as a potent and specific inhibitor of BMP-1/tolloid-like proteases.
- Sandrine Vadon-Le Goff
- , Agnès Tessier
- & Catherine Moali
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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 AccessSis2 regulates yeast replicative lifespan in a dose-dependent manner
Using a microfluidic single-cell aging platform, the authors report how single-cell lifespan varies across more than 300 yeast strains, each missing a single gene. Their top hit, Sis2, was found to regulate yeast lifespan in a dose-dependent fashion.
- Tolga T. Ölmez
- , David F. Moreno
- & Murat Acar
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Article
| Open AccessReproductive individuality of clonal fish raised in near-identical environments and its link to early-life behavioral individuality
Even in the absence of apparent genetic and environmental differences, substantial behavioral individuality emerges. This study demonstrates that such seemingly stochastic variation in a clonal fish species translates into predictable differences in life-history measures and ultimately fitness.
- Ulrike Scherer
- , Sean M. Ehlman
- & Max Wolf
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Article
| Open AccessACS-20/FATP4 mediates the anti-ageing effect of dietary restriction in C. elegans
Dietary restriction is one of the most effective ways to delay ageing. Here, the authors discover a highly conserved lipid metabolism gene functions through transcriptional regulation mechanisms to regulate proteostasis, lifespan and healthspan in response to low nutrients in C. elegans.
- Zi Wang
- , Lina Zou
- & Di Chen
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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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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 AccessMaintenance of appropriate size scaling of the C. elegans pharynx by YAP-1
Imbalance in the growth rate of two organs can perturb their appropriate scaling. Here, Stojanovski et al., identify a mechanism involving the mechanotransducer YAP-1 which ensures proper proportions of the pharynx and the body length of C. elegans.
- Klement Stojanovski
- , Ioana Gheorghe
- & Benjamin D. Towbin
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Article
| Open AccessNanoscale patterning of collagens in C. elegans apical extracellular matrix
The extracellular matrix (ECM) is critical for animal development and intricately patterned at multiple scales. Here Adams and Pooranachithra et al. show how specific collagens are precisely localized to struts, highly patterned sub-micron structures in the nematode cuticle ECM.
- Jennifer R. G. Adams
- , Murugesan Pooranachithra
- & Andrew D. Chisholm
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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 AccessMaternal vitamin B1 is a determinant for the fate of primordial follicle formation in offspring
The authors show that maternal high-fat diet influences offspring’s ovarian reserve through maternal-embryonic cross-talk in mice and that maternal vitamin B1 supplementation could rescue ovarian primordial follicle reserve in mouse offspring.
- Wen-Xiang Liu
- , Hai-Ning Liu
- & Teng Zhang
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Article
| Open AccessAn oocyte meiotic midbody cap is required for developmental competence in mice
Midbodies form during cell division and play roles in cell function and fate. Here, the authors show that the meiotic midbody in mouse oocytes has a specialized cap structure required to retain nascent proteins in eggs and for full developmental competence.
- Gyu Ik Jung
- , Daniela Londoño-Vásquez
- & Karen Schindler
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Article
| Open AccessHofbauer cell function in the term placenta associates with adult cardiovascular and depressive outcomes
Placental inflammation is sometimes associated with health outcomes later in life. Here, the authors find that expression of genes associated with the homeostatic function of Hofbauer cells, a placenta-specific macrophage, are associated with protection from adult cardiovascular and depressive disorders
- Eamon Fitzgerald
- , Mojun Shen
- & Michael J. Meaney
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Article
| Open AccessEncystation stimuli sensing is mediated by adenylate cyclase AC2-dependent cAMP signaling in Giardia
Giardia lamblia is an established model for studying encystation. Shih et al show bile and alkaline pH induce changes in membrane ordering, upregulate cAMP, and initiate encystation gene expression.
- Han-Wei Shih
- , Germain C. M. Alas
- & Alexander R. Paredez
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Article
| Open AccessA transcriptional network governing ceramide homeostasis establishes a cytokine-dependent developmental process
Bioactive small molecules mediate transcription factor functions to control cellular processes. Here, Liao et al. discover that a GATA1-regulated metabolic enzyme controls ceramide homeostasis to commission vital cytokine signaling for erythropoiesis.
- Ruiqi Liao
- , Abiola Babatunde
- & Emery H. Bresnick
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Article
| Open AccessThe transcriptional legacy of developmental stochasticity
Minor perturbations or noise can significantly impact development but are difficult to assess. Here, the authors detail allelic expression imbalance across the development of nine-banded armadillos that indicate stochastic developmental canalization.
- Sara Ballouz
- , Risa Karakida Kawaguchi
- & Jesse Gillis
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Article
| Open AccessA single cell genomics atlas of the Drosophila larval eye reveals distinct photoreceptor developmental timelines
The Drosophila eye is a powerful model system to study the dynamics of cell differentiation, cell state transitions, cell maturation, and pattern formation. Here, the authors report transcriptomic and chromatin accessibility data for all known cell types in the developing larval eye.
- Komal Kumar Bollepogu Raja
- , Kelvin Yeung
- & Graeme Mardon
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Article
| Open AccessDetermining zebrafish dorsal organizer size by a negative feedback loop between canonical/non-canonical Wnts and Tlr4/NFκB
Dorsal organizer initiates the dorsal-ventral axis formation in vertebrates. Here, the authors demonstrate that Tlr4/NFκB-mediated negative feedback regulation of Wnt/β-catenin signaling determines the precise size of the zebrafish dorsal organizer.
- Juqi Zou
- , Satoshi Anai
- & Tohru Ishitani
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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 AccessIL-21R-STAT3 signalling initiates a differentiation program in uterine tissue-resident NK cells to support pregnancy
Uterine natural killer (NK) cells support tissue homeostasis in the uterus during pregnancy, but it is not fully known how they differentiate into potentially cytotoxic effector cells while avoiding tissue damage. Here authors show that Il21 receptor signalling via STAT3 activation governs their differentiation, while an apoptotic cell death program ensures that harm is limited.
- Mengwei Han
- , Luni Hu
- & Chao Zhong
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Article
| Open AccessSystemic and intrinsic functions of ATRX in glial cell fate and CNS myelination in male mice
Myelination is often compromised in ATR-X intellectual disability syndrome patients. Here, the authors show that the causative gene, ATRX, can regulate myelination in mice by modulating systemic thyroxine levels and by supporting oligodendrocyte progenitor differentiation.
- Megan E. Rowland
- , Yan Jiang
- & Nathalie G. Bérubé
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Article
| Open AccessSpecific heterozygous variants in MGP lead to endoplasmic reticulum stress and cause spondyloepiphyseal dysplasia
Biallelic loss-of-function variants in the gene encoding Matrix Gla Protein (MGP) are known to cause a recessive disorder called Keutel syndrome. Here, the authors report that heterozygous missense variants affecting one particular cysteine residue of MGP can cause a clinically distinct, dominant disorder, likely via impaired signal peptide processing leading to cellular stress and apoptosis.
- Ophélie Gourgas
- , Gabrielle Lemire
- & Monzur Murshed
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Article
| Open AccessIntegrative analysis reveals a conserved role for the amyloid precursor protein in proteostasis during aging
The normal function of amyloid precursor protein (APP) implicated in Alzheimer’s disease is unclear. Here, authors use multi-omics to reveal the fly APP’s role in regulating proteostasis and validate using vertebrate and In-vivo tauopathy models.
- Vanitha Nithianandam
- , Hassan Bukhari
- & Mel B. Feany
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Article
| Open AccessIn situ quantification of osmotic pressure within living embryonic tissues
Osmotic pressure is thought to play a key role in many cellular and developmental processes, but remains challenging to measure it in cells and tissues. Here, the authors present a sensor based on double emulsion droplets that allows quantification of osmotic pressure in situ and in vivo.
- Antoine Vian
- , Marie Pochitaloff
- & Otger Campàs
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Article
| Open AccessLoss of Grem1-lineage chondrogenic progenitor cells causes osteoarthritis
This study reveals an important chondrocytic progenitor population for maintenance of adult articular cartilage marked by Gremlin 1. Loss of these progenitors causes osteoarthritis and suggests methods to sustain them may be effective future targets for management of osteoarthritis.
- Jia Q. Ng
- , Toghrul H. Jafarov
- & Siddhartha Mukherjee
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Article
| Open AccessIsoform-resolved transcriptome of the human preimplantation embryo
Human embryo development involves extensive transcriptional remodeling. In this study, the authors apply long- and short-read RNA-Seq to profile the transcriptomes of 73 human preimplantation embryos spanning zygotic to blastocyst stages, identifying tens of thousands of additional isoforms transcribed from both known and unannotated gene loci.
- Denis Torre
- , Nancy J. Francoeur
- & Robert Sebra
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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 AccessProlonging somatic cell proliferation through constitutive hox gene expression in C. elegans
Somatic cells in C. elegans stop dividing after completing their normal lineage at the end of development. Here, Heinze et al. show that constitutive expression of a hox gene prolongs proliferation beyond the restriction imposed by the cell lineage.
- Svenia D. Heinze
- , Simon Berger
- & Alex Hajnal
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