Sentences with phrase «in embryonic development»

The neural tube is formed early in the embryonic development — before some women even know they are pregnant.

Similar mechanisms have already been identified in the positioning of cells in embryonic development.

Find the chemical switch, flip it the other way in embryonic development, and the result would be a bird with a tail.

It performs this critical service in embryonic development, growing organisms and in a few specialized adult cell lines, including stem cells.

The technique marks a major development in genetic diagnoses, which previously could not be conducted this early in embryonic development and required much larger amounts of biological material.

Remarkably, the human lincRNAs rescued the zebrafish and restored brain development and head size for both lincRNAs, indicating that the human lincRNAs may have the same role in embryonic development as their zebrafish analogs.

In a developing embryo PGC's can be isolated from the germinal crescent, a region in the early stage embryo where the cells form, or from the gonads at a later stage in embryonic development.

5/15/2008 New Role Found for a Cardiac Progenitor Population In a discovery that could one day lead to an understanding of how to regenerate damaged heart tissue, researchers at the University of California, San Diego have found that parent cells involved in embryonic development of the epicardium — the cell l...

DiAntonio compares the process to programmed cell death, or apoptosis, which is also important in embryonic development.

In the early 1950s, Profs. Robert Briggs and Thomas King (at the Fox Chase Cancer Center, Philadelphia, Pennsylvania) repeated Spemann's experiments using leopard frogs and had success using a nucleus from an even later point in embryonic development.

The study highlights the tenuous steps in embryonic development related to sex determination and how a single genetic mutation can mean the difference between male and female.

Fishman, in particular, wanted to advance his studies in oncodevelopmental biology, exploiting proteins involved in embryonic development as tumor markers.

Our scientists are unraveling every biological step in the embryonic development of a human heart to learn which genes, RNAs, or proteins we can target to prevent or treat congenital heart disease.

A new study indicates an essential role for a maternally inherited gene in embryonic development.

Magdalena Strzelecka (Neugebauer, MPG)-- «The essential role of cajal bodies in embryonic development» (2008)

Pluripotent cells divide into more embryonic stem cells until they are ready to differentiate, later on in embryonic development.

It is possible that in embryonic development similar sorts of ordering are at least initiated by chemical gradients (see LEC).

Researchers believe that hemangioblasts exist for a brief time in embryonic development, during which they give rise to the blood - forming tissues of the body.

Scientists have focused for decades on the role of biochemical cues in embryonic development, Campàs said, because no techniques existed to measure the mechanical cues that cells are exposed to during the formation of tissues and organs.

Study shows memories formed by the same gene - silencing tool used in embryonic development; a finding could set the stage for new therapies for schizophrenia

«New signaling pathway in embryonic development discovered.»

Those deletions tended to involve genes that affect cilia, cellular structures that are important for signaling and patterning in embryonic development.

They estimated the states of the two ESCs by comparing their molecular property and the cells from various stages in embryonic development from previous studies.

The «Hox» genes, involved in embryonic development in all animals, are a particularly dramatic example.

These experimental systems allow scientists to dissect key molecular pathways that specify cell fate decisions in embryonic development,» said team leader Lin He, a UC Berkeley associate professor of molecular and cell biology.

In Science (512 December, 2003; 302: 1984 - 1988) he described the first known longitudinal signals: Wnt proteins, which are known to regulate cell - cell interactions in embryonic development.

Similar to B -LRB--) / B -LRB--) mice, most B (a *) / B (a *) mice died late in embryonic development with structural cardiac defects and impaired cytokinesis of the cardiac myocytes.

They determined that genes that control central processes in embryonic development are commonly equipped with sets of enhancers that are likely redundant.

In fact, this system resembles the initial stages of morphogenesis — the biological process that governs the emergence of the body plan in embryonic development.

«The discovery that human lincRNAs appear to function much like their zebrafish counterparts in embryonic development suggests that the framework will prove valuable in bringing new insights on the roles played by lincRNAs in mammalian organisms.»

The gene's apparently crucial role in embryonic development «is remarkable,» says William Kimberling, a geneticist at Creighton Medical School in Omaha, Nebraska, who studies children with BOR.

The researchers discovered that both major living lineages of birds (the common neognaths and the rarer paleognaths) differ from the major lineages of non-bird reptiles (crocodiles, turtles, and lizards) and from mammals in having a unique, median gene expression zone of two different facial development genes early in embryonic development.

Ho and collaborators recently solved the Xenopus form of a PRMT5 - MEP50 complex, important in embryonic development and aberrant in some forms of cancer.

OAR produces a crippled embryo» one whose cells can divide and differentiate to a certain stage in embryonic development and no further.

You can't necessarily see the change happening in the adult, but you can see that if you change that nucleic acid base right there in that gene, at that particular point in embryonic development, that animal is darker.

Because NF - kB is also involved in embryonic development, Verma and his team got together with Juan Carlos Belmonte «s laboratory at Salk and turned to zebra fish to determine what would happen if IKK1 was deleted.

«For example, in the embryonic development of plant cells.

One of the main epigenetic modifications is DNA methylation, which plays a key role in embryonic development and the formation of different cell types, regulating when and where genes are switched on.

The decision whether the maternal or the paternal version is shut down occurs early in embryonic development — one reason, why for long it was thought that the pattern of active alleles is nearly homogeneous in the various tissues of the organism.

Other sexual characteristics depend on hormones secreted by the testes or ovaries later in embryonic development.

We have found that there are many well - preserved cell processes in the two species, for example, in embryonic development.

Hh also plays many roles in embryonic development, adult homeostasis, birth defects, and cancer.

Early in embryonic development, both mouse and human placentas rely on the same set of ancient cell - growth genes.

Facial asymmetries and minor physical anomalies begin to appear early in embryonic development, mainly the first trimester of pregnancy, and can be a sign of instability during this growth.

The team suspects that the normal protein plays «a major role in embryonic development,» Auerbach says, perhaps in DNA repair and replication.

There is an entire family of Wnt proteins that play an important role in embryonic development, stem cell maintenance, tissue regeneration, bone growth, stem cell differentiation and many human cancers.

The ERK pathway plays a critical role in embryonic development and tissue repair because it instructs cells to multiply and start dividing, but when over activated cancer growth occurs.

The new study turned up a Pygmy - specific cluster of 44 variants in a gene called HESX1, which is turned on in embryonic development and controls the growth of the pituitary itself.

Zebrafish also express this gene, and the study showed that it plays a crucial role in embryonic development.

The researchers found that while most transcription factors are incapable of binding to DNA sequences containing methylated cytosine, some transcription factors actually prefer the methylated version, including some factors that play a key role in embryonic development, and in the development of prostate and colorectal cancers.