Sentences with phrase «cell mass»

On his website he writes: «Embryonic stem (ES) cells are pluripotent stem cells derived from inner cell mass of mammalian blastocysts.

The two broad types of mammalian stem cells are: embryonic stem cells that are isolated from the inner cell mass of blastocysts, and adult stem cells that are found in adult tissues.

Gardner DK, Lane MW, Lane M. Development of the inner cell mass in mouse blastocysts is stimulated by reducing the embryo: incubation volume ratio.

ECYT4 is an autosomal dominant disorder characterized by increased serum red blood cell mass, elevated hemoglobin concentration and hematocrit, and normal platelet and leukocyte counts.

Other organisms, such as humans, are multicellular, (humans have an estimated 100 trillion cells; a typical cell size is 10 µm, a typical cell mass 1 nanogram).

Traditionally, the process involves plucking the inner cell mass from a 5 - day - old embryo known as a blastocyst (a round ball of 150 to 200 cells the size of a grain of sand), which destroys the embryo.

A study published June 10 in Biology Letters finds that grouping sperm together in many - cell masses makes them swim faster, with possibly better reproductive results.

Their device, known as a suspended microchannel resonator (SMR), can measure cell masses 10 to 100 times more accurately than any other technique, allowing the researchers to precisely calculate growth rates of single cells over short periods of time.

This process requires a fundamental change in the character of cells within the primary tumor, insofar as members of a localized cell mass must be converted into actively migrating cells that invade into the surrounding tissue and blood vessels, and finally settle in distant tissues.

The outer cell mass (purple) will eventually develop placental structures.

However, some of the early cells in the inner cell mass remain pluripotent, i.e., they retain the ability to differentiate into most of the diverse cell types found in the adult.

Together, these results suggested that EMT contributes to the establishment of a small cell subpopulation in malignant tumors; this population is then capable of driving the regeneration of the tumor, even when the bulk tumor cell mass is destroyed by therapeutic regimens.

Patients with ND present with blindness due to leukocoria caused by immature retinal cell masses (pseudogliomas) and retinal detachments at birth.

This might be related to actions of the Y chromosome on sex - specific variations in placenta - derived hormones, because placental lactogen and prolactin or other proteins are involved in β - cell mass expansion (89).

However, the regenerative mechanisms underlying this enlargement of beta cell mass as well as the reasons for its failure during the development of type 2 diabetes and gestational diabetes are unclear.

Her experience includes investigating the neuroinflammatory response in Multiple Sclerosis and several neurodegenerative diseases, using single - cell mass spectrometry approaches.

A very specific and important event occurs after 5 — 6 days: the blastocyst changes very subtly and the cells in the inner cell mass lose the ability to read all of their DNA.

Furthermore, cells in which MELK had been depleted displayed asymmetric division (Figure 6G), characterized by an unequal allocation of cell mass into daughter cells.

Gardner DK, Stilley KS, Lane M. High protein diet inhibits inner cell mass formation and increases apoptosis in mouse blastocysts developed in vivo by increasing ammonium in the female tract.

Role of apoptosis in failure of beta - cell mass compensation for insulin resistance and beta - cell defects in the male Zucker diabetic fatty rat.

Beta - cell mass dynamics in Zucker diabetic fatty rats.

According to the company website, Metatrol has the ability to promote healthy cell metabolic regulation, redirect energy to healthy cells, support optimal immune system function and maintain healthy cell mass.

Through assessment of hASCs potential role in protecting against STZ ‐ induced hyperglycemia and loss of β cell mass, the authors have uncovered a novel role for the matrix metalloproteinase inhibitor TIMP ‐ 1 in promoting β cell survival.

One study discussing the use of HGH for anemia explains how multiple hormone changes can influence erythropoietin synthesis (production of the hormone that promotes red blood cell mass).

The analysis found the mice that were exposed to BPA had a significant decrease in beta cell mass and lower levels of insulin secretion than the control animals.

Human recombinant erythropoietin (EPO) increases red cell mass in cats.

(Humans have an estimated 100 trillion or 1014 cells; a typical cell size is 10 µm; a typical cell mass is 1 nanogram.)

The mice that received the therapy had 10 times higher islet cell mass, three times higher insulin levels and improved insulin sensitivity and islet cell survival compared to the untreated mice.

Although scientists have welcomed the development, they say the real breakthrough will be when someone manages to extract ES cells from the inner cell mass of cloned blastocysts and generate a cell line from them.

While nanog is weakly expressed in the late morula, it is clear that nanog expression is rapidly restricted to the cells of the inner - cell mass.

It is generally accepted that paternally imprinted X inactivation occurs exclusively in extraembryonic lineages of mouse embryos, whereas cells of the embryo proper, derived from the inner cell mass (ICM), undergo only random X inactivation.

An embryo donated for research revealed two inner cell masses (ICMs, internal cluster of cells at the embryonic pole of the blastocyst which develops into the body of the embryo), which is a sign of monochorionic / diamniotic pregnancy that will give rise to MZ twins.

«While expanding beta cell mass may still be desirable for future diabetes therapy, improving the local environment of the otherwise healthy aged beta cell could prevent age - associated deterioration in glucose homeostasis and thereby promote healthy ageing, which is conceptually novel and highly exciting,» says Per - Olof Berggren.

To access ESCs, researchers puncture the outer walls of early stage embryos, known as blastocysts, and reach into the inner cell mass to extract them — a process that destroys the rest of the embryo.

The result is a cell mass that contains vessels like a human organ would.

The inner cell mass (orange) will develop into the fetus.

As the embryo developed, the cells of the inner cell mass and the developing organism were predominantly pink while the cells of the developing placenta were blue, suggesting that developmental fate may have been etched into these cells from the moment of their very first division.

The cells of the outer layer will later give rise to the extraembryonic membranes and the placenta after the blastocyst implants in the wall of the uterus, while the embryo itself develops from the inner cell mass.

The differentiation of the outer layer of blastocyst cells from the inner cell mass is already underway by the 8 - cell stage.

Figure 1: The blastocyst is a hollow sphere made of approximately 150 cells and contains three distinct areas: the trophoblast, which is the surrounding outer layer that contains the trophoblast stem cells and later becomes the placenta, the blastocoel, which is a fluid - filled cavity within the blastocyst, and the inner cell mass, also known as the embryoblast, which can become the embryo proper, or fetus, and is where human embryonic stem cells are isolated from.

The blastocyst contains three distinct areas: the trophoblast, which is the surrounding outer layer that later becomes the placenta, the blastocoel, which is a fluid - filled cavity within the blastocyst, and the inner cell mass, also known as the embryoblast, which can become the embryo proper, or fetus.

The blastocyst, which contains approximately 150 cells, is made up of three main parts: the blastocoel (an internal, fluid - filled cavity), the inner cell mass (ICM), and the trophoblast.