Sentences with phrase «during embryonic development»

A major challenge investigators encountered in the current study is a lack of basic knowledge on how the stomach normally forms during embryonic development.
If damage occurs during embryonic development, for example, due to a mutation or environmental influences, repair mechanisms ensure that the animal later appears healthy.
For that project, the researchers designed vaccines that target genes that are normally turned on only during embryonic development.
The notch pathway is a signaling pathway that is active during embryonic development and may play a role in T cell regulation.
The other is to take a single facet and just make it bigger and then add more light sensitive cells down below during embryonic development.
Many other cells throughout the body are able to divide into two different types, especially during embryonic development.
And this molecular switch controls how cells behave and interact with their neighbors during embryonic development.
It increases the likelihood that the urinary tract will not form properly during embryonic development.
Researchers have identified genes that play a role in the condition, some of which are essential for cerebral cortex growth during embryonic development.
They found that groups of genes appear to work together in heart cells in a coordinated fashion — switching on and off as a group at designated times during embryonic development.
The sequential appearance of genes specific to early developmental stages matches the timing of their induction during embryonic development.
15 For organs to form during embryonic development, some cells must commit suicide.
Such regulatory mechanisms may link N - CAM binding function with other primary cellular processes during the embryonic development of pattern.
A switch has been discovered that instructs blood vessel cells to become blood stem cells during embryonic development in mice.
«Observing the changes in the architecture of islets during embryonic development in mice and in pseudoislets — a model we generated in our lab — was also very interesting.
Their external fertilization, rapid development and optical clarity makes them very suitable for studying important cellular processes during embryonic development.
Among other things, the gene is involved in the migration of nerve cells to the brain during embryonic development, and it also regulates the cytoskeleton and molecular motors in the cell.
As specialized cells are generated during embryonic development, they are programmed to use only a limited amount of the total genetic information present in the nucleus to produce the proteins required for their particular function.
Animals such as salamanders and planaria regenerate tissues by rekindling genetic mechanisms that guide the patterning of body structures during embryonic development.
The two types of blood vessels, arteries and veins, are formed from the same precursor cell type — endothelial cells — that become committed to an arterial or venous cell fate during embryonic development.
On rare occasions ectopic thyroid tissue (abnormal migration of thyroid tissue during embryonic development) can give rise to lesions in the tongue, ventral neck, cranial mediastinum and heart base.
Using a nuclear protein expressed in follicle stem cells (FSCs), the researchers found that castor, which plays an important role in specifying which types of brain cells are produced during embryonic development, also helps maintain FSCs throughout the life of the animal.
«Gene network that regulates motor neuron formation during embryonic development
Seeking fresh sources, they looked for cells that express the gene neurogenin 3, a potential sign of cell differentiation because it is the first gene to only switch on in pancreatic islets during embryonic development.
Previous studies by Prins and colleagues using rats showed that exposure to elevated estrogen or BPA during embryonic development increased the rate of prostate cancer later in life.
Instead of mimicking the complex 3D organization of the developing pituitary gland, this approach relies on the precisely timed exposure of human pluripotent stem cells to a few specific cellular signals that are known to play an important role during embryonic development.
Karolina Jastrezbowska (Tomancak, MPG)-- «Evolution of gene expression regulation during embryonic development of Drosophila species» (2010)
«Using this approach, we predicted that nearly eight hundred HARs act as enhancers at a specific point during embryonic development.
From such work, we've learned that many of the genes deployed in the developing phallus are also used to build limbs during embryonic development.
The ALK gene is important during embryonic development of the nervous system but should be inactive later in life.
The process of neuronal specification is the acquisition of definitive phenotypic characteristics for a given subclass of neurons during embryonic development.
Roundworms are the most common infestation in puppies and kittens as they are passed during the embryonic development from an infected mother and through nursing.
In experiments on zebrafish, Freiburg researchers have demonstrated that the same proteins that lead to the formation of metastases in humans also cause the cells to migrate during embryonic development.
The University of California, San Diego, team that conducted the research focused on so - called Hox genes, master switches that turn other genes on and off during the embryonic development of all animals, including humans.
Belyaev suggested that sometime during embryonic development the production of dopa was delayed, creating docile foxes with patches of white fur and skin.
The two scientists finely observed and analysed the skin morphological and molecular characteristics during embryonic development in crocodiles, snakes and lizards.
If these mutations happen during embryonic development, there could be several neurological problems: the child could become autistic, kids could be born with seizure disorder, or the developing neurons might not migrate to their proper site in the brain.
Manuel Eguren has analysed the biological consequences of Cdh1 elimination in rapidly dividing cells, as part of his doctoral research project in Malumbres's group; he focused on progenitors from the nervous system during embryonic development in mice.
The method could also help biologists understand how tissues change subtly during embryonic development — and even help map the maze of neurons that wire the human brain.
In their study, the Heidelberg researchers discovered that accurate vascularisation of the spinal cord during embryonic development is a highly precise mechanism, which requires a complexly regulated balance between growth - stimulating and growth - inhibiting factors.
«Our findings lend new weight to the hypothesis that there are specific functional categories of genes — likely conserved by evolution in development of the human neurological system and brain — that strongly contribute to autism's causation, such as genes expressed during embryonic development and genes that encode proteins that remodel chromatin, the bundles in which our DNA is stored,» says Research Assistant Professor Michael Ronemus, a member of the CSHL team.
During embryonic development individual cells and cell clusters can move over relatively long distances, and cell migration is also essential for wound healing and many immunological processes in adult animals.
Turtles are the only beasts in the animal kingdom that don hard outer shells formed from bone during embryonic development, and a scarcity of ancient turtle fossils has made it difficult to track the evolution of this unique trait.
Animals as varied as grasshoppers and mice build their bodies by assembling repetitive pieces during embryonic development.
Mutations in these animals began to amass during embryonic development, while normal animals don't begin to accumulate mutations until after birth.
This migration may happen because the repair pathways initiated by the damaged cells are similar to pathways triggered during embryonic development, where stem cells are key, explains ReNeuron co-founder and chief scientific officer John Sinden.
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