The study of blastoids, a research model of an early embryo derived from stem cells rather than from a father's sperm or a mother's egg, offers great hope for researchers investigating why pregnancies are lost at an early ...
Cell & Microbiology
Sep 30, 2022
0
22
Leaving the comfort and safety of home to explore the world is a difficult decision. However, in a tiny coral reef fish called a neon goby, dads help their offspring take the plunge by pushing them out the door when the time ...
Plants & Animals
Sep 13, 2022
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142
Professor Vincent Pasque and his team at KU Leuven have managed to generate a new type of human cell in the lab using stem cells. The new cells closely resemble their natural counterparts in early human embryos. As a result, ...
Cell & Microbiology
Sep 1, 2022
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53
Children, even some who are too young for school, know you can't make a baby without sperm and an egg. But a team of researchers in Israel have called into question the basics of what we teach children about the birds and ...
Cell & Microbiology
Aug 12, 2022
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45
The maternal-to-zygotic transition, involving maternal mRNA clearance and zygotic genome activation (ZGA), is a conserved and fundamental process during vertebrate embryogenesis. During this critical developmental period, ...
Cell & Microbiology
Aug 11, 2022
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4
About 15 years ago, a group of researchers discovered mutant zebrafish. The eyes of these zebrafish did not develop correctly, resulting in significantly smaller eyes than those of wild zebrafish. Now, one of these researchers—Prof. ...
Cell & Microbiology
Aug 9, 2022
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68
Researchers generated rat sperm cells inside sterile mice using a technique called blastocyst complementation. The advance appears August 4 in the journal Stem Cell Reports.
Cell & Microbiology
Aug 4, 2022
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9
In humans, a fertilized egg is no guarantee of reproductive success. Most embryos stop developing and perish within days of fertilization, usually because they have an abnormal number of chromosomes. Now, researchers at Columbia ...
Cell & Microbiology
Jul 19, 2022
0
47
In its earliest stages, long before it sprouts its signature appendages, a starfish embryo resembles a tiny bead, spinning through the water like a miniature ball bearing.
General Physics
Jul 13, 2022
1
768
A new King's-led study, published in the Proceedings of the National Academy of Sciences, has found that a single factor (a protein coding gene known as Sox8) can make non-ear cells adopt ear character during embryo development. ...
Cell & Microbiology
Jul 11, 2022
1
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