One of the most enduring, basic questions of life is: How does it happen? For instance, in human development, how do cells self-organize into skin, muscles or bones? How do they form a brain, a finger, a spine?
Molecular & Computational biology
Dec 6, 2023
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739
Inside all living cells, loosely formed assemblies known as biomolecular condensates perform many critical functions. However, it is not well understood how proteins and other biomolecules come together to form these assemblies ...
Evolution
Aug 15, 2023
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372
Gastrulation, the process where an embryo reorganizes itself from a hollow sphere into a multilayered structure, is considered a "black box" of human development. This is because human embryos are typically not cultured for ...
Cell & Microbiology
Jul 20, 2023
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45
Scientists have created embryo models to help study the mysteries of early human development, the medical problems that happen before birth and why many pregnancies fail.
Molecular & Computational biology
Jun 27, 2023
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1
In humans, pregnancy lasts around nine months. In mice, only 20 days, and in rhinoceroses, as long as 17 months. Although many mammalian species go through the same stages during embryo development, the speed of development ...
Plants & Animals
Jun 20, 2023
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17
Scientists have used stem cells to create structures that resemble human embryos in the lab, in a first that has prompted calls for stricter regulation in the rapidly advancing field.
Biotechnology
Jun 20, 2023
1
747
Scientists have known that when a mouse embryo is developing, the cells that will become its spine and muscles switch specific genes on and off repeatedly, in a synchronous fashion. However, there are deep mysteries about ...
Cell & Microbiology
May 2, 2023
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222
Human embryo development and early organ formation remain largely unexplored due to ethical issues surrounding the use of embryos for research as well as limited availability of materials to study. In a paper published April ...
Cell & Microbiology
Apr 6, 2023
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15
Although Michelangelo's masterpiece "David" captured the magnificence of the human body—how exactly this exquisite body plan is established during human development has puzzled scientists for more than a century. This has ...
Cell & Microbiology
Dec 21, 2022
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46
To make new cells, we have to divide existing ones. This is a continuous, frequent and ubiquitous process which starts at conception and ends at death. There are an estimated 37 trillion cells in the tissues and organs of ...
Cell & Microbiology
Nov 28, 2022
0
112
