Articles tagged with Gastrulation
An international team published a white paper on embryonic models based on stem cells, proposing guidelines for research and regulation. These models can mimic early human development stages, potentially aiding in understanding infertility conditions.
Researchers used light-inducible gene expression to demonstrate that gastrulation in human embryos requires an interplay between chemical cues and mechanical forces. The study found that mechanical tension fine-tunes downstream biochemical signaling pathways, leading to the formation of body axes.
Researchers at UCL and the Francis Crick Institute have identified the origin of cardiac cells using 3D images of a heart forming in real-time. They found that cardiac cells emerge rapidly during gastrulation and follow distinct paths to form the heart's pumping chambers and atria.
Researchers at Rice University have made significant strides in understanding the processes guiding human embryonic development. The study reveals that the duration of BMP signal exposure, rather than its strength, plays a crucial role in determining cell fate.
A stem cell model system called blastoid has allowed scientists to study the nuances of human gastrulation in vitro, providing unprecedented clarity into early human development. The team observed key moments in gastrulation, including epiblast symmetry-breaking and emergence of molecular markers for primitive streak and mesoderm.
A team of researchers developed a theoretical framework that can reproduce and predict the patterns associated with gastrulation in a chicken embryo. Small changes in cell parameters and behavior can have a dramatic impact on the resulting gastrulation patterns, which are seen in other species such as frogs, fish, and chameleons.
Researchers developed a mathematical model that accurately predicts gastrulation flows in chick embryos, which are similar to human embryos. The model then predicted cellular flows observed in frog and fish embryos, suggesting common physical principles behind multicellular self-organization across vertebrate species.
Researchers at the University of Helsinki and NIH found that the ectoderm retains its pluripotency during gastrulation, challenging previous understanding. This discovery sheds light on the chain of events in early embryonic development and has implications for neural crest stem cell potential.
Researchers have discovered that embryonic stem cells are guided by a complex interplay of signaling molecules to determine their cell type. The study found that fibroblast growth factor (FGF) acts as an antagonist of the signal molecule BMP, influencing cell differentiation and fate.
Scientists have developed an innovative method to create 'peri-gastruloids,' human embryo-like structures with extraembryonic tissues, including yolk sac and placenta. This breakthrough allows researchers to study early human development stages, mimicking the formation of vital organs.
A study by Gladstone Institutes researchers found that tight junctions between cells may play a critical role in gastrulation in human embryos. By suppressing tight junction formation, the team was able to create primordial germ cell-like cells, which are stem cells resembling human precursors of sperm and egg cells.
Researchers at UNSW Sydney have successfully induced a gastrulation-like event in human pluripotent stem cells, mimicking the early stages of embryonic development. This breakthrough could lead to new approaches for studying human development and creating personalized body tissue or organs using hydrogel materials.
Researchers at the University of Cambridge have successfully grown a model embryo with a brain, beating heart, and all other organs using mouse stem cells. This breakthrough could help understand why some pregnancies fail and develop a new approach for repairing synthetic human organs.
Researchers discovered YAP1 is a master regulator of Nodal signaling in human embryonic stem cells, crucial for human development. The study found that YAP1 regulates the allocation of germ layers and dictates the production of Nodal protein, essential for gastrulation.
Researchers at Rice University have discovered that the Lefty protein plays a crucial role in regulating Nodal signaling during embryonic development. By visualizing the interaction between Nodal and Lefty, they found that cells relay the signal to produce new Nodals, triggering a wave of differentiation. This study provides new insigh...
Researchers provide evidence that mammalian and avian primitive streaks evolved independently, using different mechanisms to form the body plan. They suggest alternative landmark for ethical oversight in human embryological research.
Researchers from Helmholtz Zentrum München have discovered a novel mechanism driving the formation of the endoderm germ layer during gastrulation. This finding has significant implications for understanding congenital diseases and potential targets for therapeutic intervention in cancer.
The study reveals how embryonic cells may be deviated from a default state and awoken to new developmental possibilities during gastrulation. Researchers used scNMT-seq and MOFA computational methods to analyze gene expression, DNA methylation, and chromatin accessibility in single cells from mouse embryos.
A metabolic pathway regulating the formation of a crucial embryonic structure has been discovered, shedding light on how embryos develop and how certain drugs can affect pregnancy. The study's findings have significant implications for understanding statin use in pregnant women and may lead to safer drug regimens.
Researchers used X-ray diffraction to image soft tissues in living frog embryos, resolving individual cells and analyzing single-cell migration. The technique provides new insights into embryonic development and its underlying molecular biology.
Scientists used a new X-ray method to study African clawed frog embryos, providing detailed insights into embryonic development and cell movement. The results revealed new morphological structures and clarified the process of fluid redistribution in the embryo.
Researchers at Caltech used novel imaging techniques to visualize the movement of thousands of cells during gastrulation, a critical stage in embryonic development. They found that mesodermal cells move in a directed manner, while ectodermal cells converge and ride the downward wave.