The primitive streak and cellular principles of building an amniote body through gastrulation

G Sheng, A Martinez Arias, A Sutherland - Science, 2021 - science.org
BACKGROUND Pluripotent cells are generated by embryonic divisions that occur shortly
after fertilization. These cells are transformed into the recognizable outline of an organism …

National human embryo and embryoid research policies: a survey of 22 top research-intensive countries

KRW Matthews, D Moralí - Regenerative medicine, 2020 - Taylor & Francis
Research using human embryos and embryoids has expanded in recent years due to
technological advances. Surveying laws and guidelines among the top research and …

Ethical, legal, regulatory, and policy issues concerning embryoids: a systematic review of the literature

AS Iltis, G Koster, E Reeves, KRW Matthews - Stem Cell Research & …, 2023 - Springer
Recent advances in methods to culture pluripotent stem cells to model human development
have resulted in entities that increasingly have recapitulated advanced stages of early …

Rapid changes in morphogen concentration control self-organized patterning in human embryonic stem cells

I Heemskerk, K Burt, M Miller, S Chhabra, MC Guerra… - Elife, 2019 - elifesciences.org
During embryonic development, diffusible signaling molecules called morphogens are
thought to determine cell fates in a concentration-dependent way. Yet, in mammalian …

Lineage specification and pluripotency revealed by transcriptome analysis from oocyte to blastocyst in pig

Q Kong, X Yang, H Zhang, S Liu, J Zhao… - The FASEB …, 2020 - Wiley Online Library
The inner cell mass (ICM) in blastocyst is the origin of all somatic and germ cells in
mammals and pluripotent stem cells (PSCs) in vitro. As the conserved principles between …

Synergy with TGFβ ligands switches WNT pathway dynamics from transient to sustained during human pluripotent cell differentiation

J Massey, Y Liu, O Alvarenga, T Saez… - Proceedings of the …, 2019 - National Acad Sciences
WNT/β-catenin signaling is crucial to all stages of life. It controls early morphogenetic events
in embryos, maintains stem cell niches in adults, and is dysregulated in many types of …

Cell position within human pluripotent stem cell colonies determines apical specialization via an actin cytoskeleton-based mechanism

Y Kim, H Jang, K Seo, JH Kim, B Lee, HM Cho, HJ Kim… - Stem Cell Reports, 2022 - cell.com
Human pluripotent stem cells (hPSCs) grow as colonies with epithelial-like features
including cell polarity and position-dependent features that contribute to symmetry breaking …

Experimental embryology of gastrulation: pluripotent stem cells as a new model system

N Moris, AM Arias, B Steventon - Current opinion in genetics & …, 2020 - Elsevier
Gastrulation is an inherently complicated process involving a well-orchestrated series of
collective cellular behaviours that lead to the emergence of the body plan of the organism. A …

Building the border: development of the chordate neural plate border region and its derivatives

A Thawani, AK Groves - Frontiers in Physiology, 2020 - frontiersin.org
The paired cranial sensory organs and peripheral nervous system of vertebrates arise from
a thin strip of cells immediately adjacent to the developing neural plate. The neural plate …

High-volume, label-free imaging for quantifying single-cell dynamics in induced pluripotent stem cell colonies

AJ Asmar, ZA Benson, AP Peskin, J Chalfoun, M Simon… - Plos one, 2024 - journals.plos.org
To facilitate the characterization of unlabeled induced pluripotent stem cells (iPSCs) during
culture and expansion, we developed an AI pipeline for nuclear segmentation and mitosis …