Sentences with phrase «early during embryonic development»

Accordingly, they emerge quite early during embryonic development.

Additionally, the hippocampal chandelier cells were born several days earlier during embryonic development than the neocortical ones.

Not exact matches

«This burst of genetic changes happens only during the early stages of embryonic development and then it stops,» Liu said.

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.

When Kaufman, Zon and colleagues looked to see what was different about these early cancer cells, they found that crestin and the other activated genes are the same ones turned on during zebrafish embryonic development — specifically, in the stem cells that give rise to the pigment cells known as melanocytes, within a structure called the neural crest.

This technology was pioneered by Shinya Yamanaka, who showed that the introduction of four specific proteins that are essential during early embryonic development could be used to convert adult cells into pluripotent cells.

This discovery by the scientists at the CRG provides an insight into stem cell - forming molecular mechanisms, and is therefore of great interest for studies on the early stages of life, during embryonic development.

The researchers speculate that some cases of schizophrenia afflicting only one of a pair of identical twins could be due to mutations causing the expansion of trinucleotide repeats in the affected twin during the early embryonic development.

The ability of a fertilized egg to generate both embryonic and extra-embryonic tissues is referred to as «totipotency,» an ultimate stem cell state seen only during the earliest stages of embryonic development.

But the researchers also put a copy of the Myd88 gene near a special «promoter» sequence of DNA that gets switched on during early embryonic development.

During early embryonic development, cells throughout the forming retina are proliferative.

During early embryonic development, XpdTTD is dominant over the Xpd † XPCS and Xpd † XP alleles, whereas later in the ontogenesis of skin, hair - shaft, and blood cells, the situation is reversed.

They are present during the early stages of embryonic development and possess the ability to become, or «differentiate,» into almost any tissue within the body.

Newly evolved genes can rapidly assume control over fundamental functions during early embryonic development, report scientists from the University of Chicago.

The sequential appearance of genes specific to early developmental stages matches the timing of their induction during embryonic development.

Moreover, ES cell differentiation in vitro recapitulates events that take place during early embryonic development including the formation of the three germ layers of ectoderm, mesoderm and endoderm, and the emergence of endothelial, hematopoietic, cardiac, neuronal and hepatic or pancreatic cells [8], [9].

For example, clusters containing genes that are upregulated during the course of ES cell differentiation (Table 3) include in order of time of expression: cluster 30 that represents genes which take part in the formation of the three embryonic germ layers during gastrulation, i.e., Goosecoid, Cerberus like 1 homolog, Wnt3, Mesp1, Mixl1, mEomes and Even - skipped 1; cluster 15 containing molecular regulators of early mesoderm development including Bmp2, Bmp5, Msx1, Msx2, Cripto, Tbx20, Hey2, Smad6, Vegfr2 (Kdr), Foxf1 and Hand1; cluster 20, which comprises regulatory and structural genes linked to hemopoiesis such as Gata1, Nfe2, Klf1, Tie1, hemoglobins (Hba - x, Hbb - b1) and Glycophorin A; cluster 12, which is rich in genes involved in cardiac development, e.g., Mef2c, Myl4, cardiac Troponin T2, Tropomodulin 1, myosin binding protein C, Bves, Angiopoietin 1 and Angiopoietin 2; and, cluster 4, which consists mostly of genes associated with neuronal development and differentiation, for example, Neurog1, Neurog2, Olig2, Nkx6.1, Neurod4, Pou3f2, Pou3f4, Cacna2d3, Cacng4, Kcnq2 and EphA5.

It has also been reported that Kap1 controls endogenous retroelements during early embryonic development and in embryonic stem cells but not in adult fibroblasts [45].

May 07, 2015 Genetic changes to basic developmental processes evolve more frequently than thought Newly evolved genes can rapidly assume control over fundamental functions during early embryonic development, report scientists from the University of Chicago.