Sentences with phrase «of immature cells»

The bone marrow should respond to anemia by producing more red blood cells; therefore, an increase in the number of immature cells called reticulocytes should be seen on lab results.

The intestinal lining of people with Crohn's disease and IBS (irritable bowel syndrome) appear to be more sensitive to the effects of food lectins because the lining is constantly being replaced by new tissue that is made up of immature cells that are more glycosylated and thus more susceptible to lectin attachment.

If a woman has an abortion, she's left with a large number of these immature cells lining her breast ducts, and she is therefore more vulnerable to cancer down the road — 30 percent more vulnerable, Brind says, than a woman who has never had an abortion.

Not exact matches

«We suspected that the young are most vulnerable because of their immature immune systems, but we didn't have a lot of hard evidence to show that before,» said study lead author Bo Hang, a Berkeley Lab staff scientist who previously found that thirdhand smoke could lead to genetic mutations in human cells.

A newborn has more red blood cells than his body needs, and often, when a baby's immature liver can't process them quickly enough, a yellow pigment called bilirubin (a by - product of the red blood cells) builds up in the blood.

Consistent with this idea, microscopic examination of fetal small intestine before birth reveals immature epithelium and sparse lymphoid cells.

What's more, the live cells in breast milk that protect babies from infection can be even more important for premature babies: Preemies face a higher risk of infection because their immune systems are particularly immature.

Newborns become jaundiced in the first few days because the enzyme in the liver maybe immature and does a process of breaking down these red blood cells as rapidly.

When a cell is dividing, each anchor point is actually a pair of centrioles: a mature «mother» centriole, and an immature «daughter» centriole.

By analysing the early steps that precede tumor formation, Alexandra Van Keymeulen and colleagues found that expression of oncogenic Pik3ca reactivates a multilineage differentiation program in adult stem cells that resembles to an immature embryonic state.

The first complete, real - time recording of an egg cell eliminating its centrioles shows the starfish egg cell handles mature «mother» centrioles (green) differently from immature «daughter» centrioles (purple).

At fertilization, sperm delivers a structurally distinct genome, along with a complement of ribonucleic acids, or RNAs, and proteins to the immature egg cell.

Immature dendritic cells (DCs) sequester intact antigens in lysosomes, processing and converting antigens into peptide — MHC II complexes upon induction of DC maturation.

Smell neurons begin as identical precursor cells, immature cells that have not yet «decided» which type of nerve cell they will become.

Next, the team exposed immature immune cells from the blood of healthy people to the bacteria found in the guts of MS patients.

In 1868, however, the German pathologist Ernst Neumann discovered immature precursor cells in bone marrow, which turned out to be the actual site of blood cell formation, also known as hematopoiesis.

The mice benefited from human stem cells called glial progenitors, immature cells poised to become astrocytes and other glia cells, the supposed support cells of the brain.

In theory, if a single mutation popped up that caused immature neurons to undergo just one extra cycle of cell division, that could double the final size of the cortex.

The most striking abnormalities were a markedly elevated white blood cell count of 28,500 per cubic milliliter (the normal level is about 5,000 to 10,000) and what is called a shift to the left, which refers to a large increase in the number of mature and immature granulocytes, cells that increase in number when an acute infection must be fought off.

They then purified messenger RNA — a molecule that plays a key role in the production of proteins — from the cells in the animals» upper intestines, injected the mRNA into immature eggs cells, and looked for changes in iron uptake.

His experiments revealed the cells that became rhabdomyosarcoma were not muscle cells, but were immature cells that would mature into cells lining the inner surface of blood vessels.

Klingelhutz and his team immortalized immature precursor fat cells by adding in two genes from HPV (the virus that causes cervical cancer) along with a gene for part of an enzyme that controls the length of cells» telomeres — the pieces of DNA that protect chromosome tips from deterioration.

Then came a new step: They carefully extracted the fragile, immature eggs and some surrounding cells from the follicles, and allowed them to further mature on a special membrane in the presence of more growth - supporting proteins.

Around the time of birth these germ cells have formed a large reserve of primordial follicles — each containing a single immature egg.

2006 Shinya Yamanaka identifies and activates a small number of mouse genes in the cells of connective tissue, showing they can be reprogrammed to behave like immature stem cells.

That ovarian tissue bears clusters of cells known as primordial follicles, which surround immature precursors to egg cells.

ALMOST BRAIN A cross section of an immature lab - grown approximation of a human brain reveals neurons (green) and neuron - producing stem cells (red).

The human equivalent to the mouse cells, however, would have to be isolated from fetal retinas, posing the familiar problem of finding a source for the immature cells.

The skin's ability to grow back after a wound led scientists to assume that it must contain stem cells, immature cells that can rapidly differentiate into many different types of tissue.

Immature egg cells begin this way, but are transformed through a process called meiosis into mature egg cells that only have one copy of each chromosome.

The human brain consists of thousands of different types of nerve cells that are all formed out of what in simple terms can be described as immature stem cells.

Most of the pollen that is likely tickling your nose and making your eyes water is being dispersed in a sexually immature state consisting of only two cells (a body cell and a reproductive cell) and is not yet fertile.

Two types of immature B cells, namely fetal liver hybridomas and the leukemic cell line 70Z / 3, both of which have cytoplasmic mu chains but no light chains, were examined for DNA rearrangements of their light chain and heavy chain immunoglobulin genes.

Last year, Robin Ali of University College London and colleagues demonstrated that immature retina cells from newborn mice could form rod cells — a type of light - gathering cell — that wire into the retinas of night - blind adult mice (SN: 5/19/12, p. 13).

For the technology to help restore sight in people, such as those with macular degeneration, the researchers needed to come up with a ready source of immature retinal cells.

The results suggest that, although the lack of light chain synthesis can be due to a lack of gene rearrangement, there may also be transcriptional regulation, which may also be important for the expression of light chain immunoglobulins in immature B cells.

But the discovery of vast numbers of immature eggs dying in the ovaries of mice led Tilly's team to find what they claim are hidden ovarian stem cells that can sprout new eggs to replace

«I tend to scrutinize reticulocyte [immature red blood cell] values,» Ashenden says, «to see if there are any signs of accelerated or decelerated reticulocyte production.»

To understand how the bacteria affected the immune system, the researchers grew L. reuteri in liquid and then transferred small amounts of the liquid — without bacteria — to immature immune cells isolated from mice.

As «immature» somatic cells, stem cells can mature into different types of cells, thus making them responsible for the development of all the tissues and organs in the body.

Medical researchers have been working to use stem cells, immature cells that can develop into various types of tissue, to regenerate cartilage.

By immersing stem cells harvested from men's bone marrow in a cocktail of chemicals that mimic the environment of the testes, Nayernia and his team turned the stem cells into immature sperm.

The researchers tested their technique on such cultivated stem cells of both a mature and immature type, and on donated human embryos left over from IVF treatments.

A new type of pluripotent cell that genuinely corresponds to the more immature, pre-implantation stage has been identified and can now be cultivated in the laboratory.

They have screened combinations of antibodies that bind to specific proteins on the surface of the immature and mature stem cells and that can be used for flow cytometry, a common laboratory technique for sorting cells.

The green glowing center of this Arabidopsis root contains a protein that helps transform immature precursor cells into some of the specialized cells that make up the plant's root tip.

In their latest study, researchers at La Jolla Institute for Allergy and Immunology identified a key signal that drives the commitment of immature Tfh cells into fully functional Tfh cells and thus driving the step - by - step process that results in a precisely tailored and effective immune response.

Immunofluorescence microscopy reveals the different protein profiles of immature stem cells (coloured pink) and mature stem cells (coloured green).

The scaffold supports the survival of the mouse's immature egg cells and the cells that produce hormones to boost production.

They saw HIV - infected human immune cells, caught virus particles in the act of budding from such cells, and also found groups of free immature and mature viruses.