Sentences with phrase «embryonic tissue»

"Embryonic tissue" refers to the early stages of human or animal development. It is the tissue that forms when an embryo is growing in the womb. Full definition
They suggest that the sugar unit also has a key role in embryonic tissue development.
But again, there is a problem; a viral delivery system is required to penetrate the cell membranes of early embryonic tissues.
And in the past six months investigations have exposed strange flaws in the data from one lab that claimed to have successfully manipulated adult stem cells to act like embryonic tissue.
In a developing embryo, stem cells can differentiate into all of the specialized embryonic tissues.
A living plant continues to have embryonic tissues even in advanced stages of development.
Several years ago, one of the students in Verma's lab noticed that BRCA1 is very active in the neuroectoderm, a sliver of embryonic tissue containing neural stem cells that divide and differentiate into the brain's vast assortment of cell types and structures.
Blastoma: Tumors formed from embryonic tissue or developing cells are known as blastomas and are more common in children than adults.
The research, published today in the journal Current Biology, shows that gills develop from the same embryonic tissue in both jawed and jawless vertebrates — a lineage that split very early in our ancestral tree.
By the 10th day of a human embryo's development, molecular signaling that initiates tooth formation is taking place between two basic embryonic tissue layers.
The two newly reported cell lines developed into several types of tissue in culture dishes, including heart and brain, and when injected into mice generated teratomas (tumors made of the three embryonic tissue types).
But whether these modern - day species spawn or copulate, the equipment they use to get the job done derives from the same embryonic tissue under the direction of the same so - called hox genes that formed claspers in placoderms.
In females, a similar embryonic tissue called the Müllerian duct develops into the fallopian tubes, uterus and vagina.
Embryonic stem cells are pluripotent, able to create all cell types, save more embryonic tissue.
A new study shows that many genes are abnormally regulated in cloned embryos, especially in extra embryonic tissue and the placenta.
In order to overcome the limited ability of the neurons of the adult nervous system to regenerate spontaneously, cell replacement strategies employing embryonic tissue transplantation show attractive potential.
His work involves high - resolution imaging of chick embryonic tissue slices to study the cell - biological mechanisms driving neurogenesis in the spinal cord, for which Dr. Das played an instrumental role in pioneering new imaging technology.
They transplanted embryonic tissue from the legs to the wings of 3 1/2 - day - old developing chicks and vice versa and watched how the transplanted tissue developed.
That suggests that the cells have gone beyond pluripotency and taken on some characteristics of totipotent cells, which are even more developmentally primitive and can produce not only embryonic tissues, but also the supporting tissues such as placenta.
The germ cells had developed beyond the early primordial state, meaning they were no longer capable of migrating through embryonic tissues.
«Our experiments led us to discover the signal that initiates the process of embryonic tissue differentiation
As a postdoctoral fellow at the University of Washington she developed a method to image and track cell migration in live zebrafish embryonic tissue explants.
By combining the use of magnetic tweezers with in vivo laser ablation, we locally control physiologically relevant deformations in wild - type Drosophila embryonic tissues.
La Jolla, CA — A single gene can transform embryonic tissue destined to form a wing into a leg instead, Salk Institute investigators have found.
The polarised blastomere will later envelop its unpolarised sister cell, which will become embryonic tissue.
And theres even better news: By using the patients own stem cells, the surgical team avoids the ethical debate over using embryonic tissue for research purposes.
In order to make CRISPR / Cas9 genome edits using subgerminal cavity injections, only the CRISPR guides and donor DNA templates, which are very small, would need to be packaged and delivered into the early embryonic tissues.
They began by inducing both embryonic stems cells and iPS to morph into a form of embryonic tissue that — in a natural process — gives rise to blood stem cells.
Last December, for instance, Chien's group reported finding markers for heart muscle stem cells by tracing their development from embryonic tissue.
After analysing the presence of NANOG in different mouse tissues by immunohistochemistry, the CNIO team demonstrated that, in addition to being present in embryonic tissue, this factor is also found in stratified epithelia such as the esophagus, skin or vagina.
«By altering the Stk11 gene, the number of cells in this embryonic tissue multiplied above what is needed and caused the prostate tissue surrounding the urethra to grow,» Teixeira said.
New research from Michigan State University indicates that embryonic tissue, key to the development of a baby's gender, could contribute to an enlarged prostate, or BPH, in men later in life.
What I find most interesting is the idea that the embryonic tissue that goes on to form limb and the motor neurons is regulated by coordinated molecular mechanisms — under the guidance of a genetic program that has been conserved over the course of evolution.
Genetic scans indicated that the cells were more similar to embryonic tissue than to the original fibroblasts.
We cut out the torn muscle and the bits of embryonic tissue and placenta, then sewed the right corner of the uterus back together.
Teeth are formed from a special group of cells located at the top (or «crest») of the neural tube, the embryonic tissue that eventually becomes the brain and spinal cord.
A team of researchers from DuPont added so - called morphogenic genes — known from basic research to promote the production of embryonic tissue — to the other genes being transformed (in this case to express green fluorescent protein as a marker of transformation).
Neither ES nor iPS cells, however, are as flexible as the original fertilized egg, which can form extra-embryonic as well as embryonic tissues.
Researchers are building a case that long before the nervous system works, the brain sends crucial bioelectric signals to guide the growth of embryonic tissues.
Jose Teixeira, a professor of reproductive biology in the College of Human Medicine - Grand Rapids campus, has found that embryonic tissue, key to the development of a baby's gender, could contribute to an enlarged prostate, or BPH, in men later in life.
When normal cells are transformed into cancer cells, this epithelial tissue can take on the characteristics of embryonic tissue, known as mesenchymal tissue, which is comprised of unspecialized cells that will develop, as the embryo matures, into more specialized tissues.
Using the tiny zebrafish, Danio rerio, they explores how regional specializations occur within the neural tube, the embryonic tissue that develops into the brain and spinal cord.
Cancerous tumors and embryonic tissues have been found to share many of the same antigens, which are detected by the immune system through antibodies.
The relationship between cancer and embryonic tissues was first proposed in the 1870s by Francesco Durante and Julius Cohnheim, who thought that cancers originated from cells in adults that persist in an immature, embryonic - like state.
a b c d e f g h i j k l m n o p q r s t u v w x y z