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Infographic showing placenta development
Infographic: Early Placenta Development Sets the Stage
During early pregnancy, the placenta remodels the uterine environment to support fetal growth
Infographic: Early Placenta Development Sets the Stage
Infographic: Early Placenta Development Sets the Stage

During early pregnancy, the placenta remodels the uterine environment to support fetal growth

During early pregnancy, the placenta remodels the uterine environment to support fetal growth

human embryonic stem cells

3d rendered medically accurate illustration of a human embryo anatomy
The Ephemeral Life of the Placenta
Danielle Gerhard, PhD | Dec 4, 2023 | 10+ min read
Recent advances in modeling the human placenta, the least understood organ, may inform placental disorders like preeclampsia.
person with lab coat and blue gloves holding tray with pink liquid <br><br>
Scientists Consider How Overturning Roe Might Affect Research
Natalia Mesa, PhD | Sep 7, 2022 | 6 min read
Researchers who work with materials such as fetal tissue and human embryonic stem cells are facing new restrictions, the latest in a long line of regulations, that could impede important advances.
photo of a researcher looking in a microscope fertilising an egg via intracytoplasmic sperm injection.
Human Stem Cell Research Guidelines Updated
Ruth Williams | May 26, 2021 | 5 min read
Removal of the 14-day limit for culturing human embryos is one of the main changes in the revised recommendations from the International Society for Stem Cell Research.
Human Blastocyst-Like Structures Made in the Lab
Abby Olena, PhD | Mar 17, 2021 | 4 min read
Two new papers describe the generation of so-called blastoids, which could avoid the use of embryonic cells and make studying early human development much more accessible.
NIH Announces Details of Human Fetal Tissue Research Restrictions
Ashley Yeager | Jul 29, 2019 | 2 min read
The latest restrictions require scientists to submit more comprehensive grant applications, and those applications will go through more stringent ethics reviews.
type 1 diabetes
Biotechs Race to Develop Stem Cell Treatments for Diabetes
Eric Bender | Jul 15, 2019 | 8 min read
Insulin-producing cells grown in the lab could offer a functional cure for the disease.
human embryonic stem cells differentiate differentiation layers organization induced
Image of the Day: Multilayered
Chia-Yi Hou | Jul 8, 2019 | 1 min read
Human embryonic stem cells differentiate and organize themselves on a chip.
embryoid human embryonic stem cell
Researchers Generate Model of Human Embryo from Human Stem Cells
Ashley P. Taylor | Jul 2, 2019 | 2 min read
The research may necessitate the formation of new ethical guidelines.
Animals’ Embryonic Organizer Now Discovered in Human Cells
Jim Daley | May 23, 2018 | 4 min read
The finding confirms that a cluster of cells that directs the fate of other cells in the developing embryo is evolutionarily conserved across the animal kingdom.
Image of the Day: Retinal Cell Implant
The Scientist and The Scientist Staff | Apr 17, 2018 | 1 min read
For the first time, a transplant of replacement tissue grown from stem cells has been shown to be feasible for patients with macular degeneration.
CRISPR Used in Human Embryos to Probe Gene Function
Ashley P. Taylor | Sep 20, 2017 | 2 min read
OCT4 is necessary for blastocyst formation in the human embryo, researchers report.
Cell Lines Gain Cancer-Related Mutations
Kerry Grens | Apr 27, 2017 | 1 min read
A screen of human embryonic stem cell lines finds several that accumulated changes in the gene TP53, including aberrations commonly seen in cancer.
First Clinic-Ready Stem Cell Repository
Kerry Grens | Apr 6, 2017 | 4 min read
The UK Stem Cell Bank offers several lines derived from human embryonic tissue.
Researchers Argue for “Embryoid” Ethics Revamp
Bob Grant | Mar 22, 2017 | 2 min read
Scientists issue a call to reconsider the rules governing the creation of tissues, organs, and other structures made possible by recent advances in synthetic biology. 
Study: MicroRNA, Retroviruses Coordinate to Influence Pluripotency
Joshua A. Krisch | Jan 13, 2017 | 2 min read
Removing a specific miRNA from stem cells may induce the expression of endogenous retroviruses that enable the cells to form extra-embryonic lineages.
Stem Cells Made Waves in Biology and Medicine
Karen Zusi | Oct 1, 2016 | 6 min read
Since their introduction to the lab, pluripotent stem cells have gone from research tool to therapeutic, but the journey has been rocky.
Thirty Years of Progress
The Scientist | Oct 1, 2016 | 1 min read
Since The Scientist published its first issue in October 1986, life-science research has transformed from a manual and often tedious task to a high-tech, largely automated process of unprecedented efficiency.
Using CRISPR to Edit Genes in Induced Pluripotent Stem Cells
Kelly Rae Chi | Sep 1, 2016 | 8 min read
Tips on how to surmount the challenges of working with CRISPR to manipulate genes in human stems cells to study their function in specific diseases or to correct genetic defects in patient cells.
Improving Mitochondrial Replacement Therapy
Anna Azvolinsky | Jun 8, 2016 | 3 min read
Pronuclear transfer can reduce the risk of transferring defective mitochondria, a study shows.  
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