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tag bone growth limb development human evolution

A Simple Genetic Change Adds Limb-Like Bones to Zebrafish Fins
Abby Olena, PhD | Feb 5, 2021 | 4 min read
A gain-of-function mutation in a single gene reveals ancient limb-forming capacity that has been preserved for hundreds of millions of years.
Animalsā€™ 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.
Lose fin proteins, gain limb?
Megan Scudellari | Jun 22, 2010 | 3 min read
The vertebrate transition from fin to limb is one of the juiciest mysteries in evolutionary biology, and this week, scientists may have identified another clue to the puzzle. Published online today (June 23) at linkurl:Nature,;http://www.nature.com/nature/index.html a team of researchers describe two previously unknown proteins essential to fin development in bony fishes -- the loss of which may have been a key step in the evolution of fins to limbs during tetrapod development. "It's a very exc
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.
blue-gloved hands pipetting from test tube
What’s Next for Ancient DNA Studies After the Nobel?
Mary Prendergast, The Conversation | Oct 5, 2022 | 4 min read
The award highlights tremendous opportunities for aDNA as well as challenges related to rapid growth, equity, and misinformation.
On the left is a normally developing mouse embryo, on the right is a slightly larger mouse embryo that also contains horse cells that glow green.
Chimera research opens new doors to understanding and treating disease
Hannah Thomasy, PhD, Drug Discovery News | Aug 9, 2023 | 10 min read
Animals with human cells could provide donor organs or help us understand neuropsychiatric disorders.
Homing Technology Delivers Therapy to Cancerous Bone
Roni Dengler, PhD | Jul 19, 2021 | 5 min read
A clever approach to modifying already existing cancer therapies may be a game changer for treating metastatic breast cancer.
Decoding Human Accelerated Regions
Katherine S. Pollard | Aug 1, 2016 | 10 min read
Do the portions of our genomes that set us apart from other animals hold the secret to human evolution?
Image of the Day: Slow-Growing Brains
Amy Schleunes | Apr 8, 2020 | 1 min read
Scans of eight fossilized adult and infant Australopithecus afarensis skulls reveal a prolonged period of brain growth during development that may have set the stage for extended childhood learning in later hominins.
giraffe, genetics & genomics, CRISPR, gene editing, genome, physiology, hypertension, bone growth, techniques, mouse model
Genome Reveals Clues to Giraffes’ “Blatantly Strange” Body Shape
Amanda Heidt | Mar 19, 2021 | 5 min read
The physiological demands of that long neck get support from a gene involved in strengthening bones and blood vessels, researchers find after inserting the sequence in mice.

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