Sentences with phrase «cells form new»

We are now able to see the changes related to such adaptations and to see how nerve cells form new connections or how connections between nerve cells are broken.

Most of the time, however, stem cells form new red blood cells, white blood cells or platelets.

Some evidence suggested brain cells form new connections during sleep; other evidence suggested sleep pares away existing connections.

Not exact matches

Avita Medical, which formed after the merger of Clinical Cell Culture and Visiomed Group, has new contracts under way in Greece and Mexico.

The heterogeneous progeny of the zygote interact in a coordinated manner to generate new cell types and to form organized multicellular structures.

If human brains are like body's cells, there is a natural point of specialization, in which new systems break away and form similar but slightly different branches, as cells in a body become fingers, feet, hands, etc..

«What we have described as globalization is remarkably close to Teilhard de Chardin's planetization, in which «[mankind, born on this planet and spread over its entire surface, come [s] gradually to form round its earthly matrix, a single, major, organic unity, enclosed upon itself.4 Thus the globalization of humankind could lead to the formation of a new kind of living entity — a social organism — on the same cosmic principle as that by which atoms join to form molecules, molecules join to form mega-molecules, mega-molecules unite to form living cells, and innumerable cells constitute an organism.

RS: According to the hypothesis of formative causation, outlined in my book A New Science of Life, systems such as molecules, crystals, cells, organs and organisms are organized by specific morphogenetic fields, which give them their characteristic form and organization.

For example, after the macromolecules of amino acids or nucleic acids have become sufficiently abundant, the possibility of living cells becomes a relevant new form of ordered novelty in the world's advance.

And let's remember that evolution, while it's a theory, is a theory about the beginning and the transformation of life based on things we have observed, namely that cells change and mutate and that those mutations can produce cells that are unique and new, and that it would follow that it's possible for molecules to form into single - celled organisms which mutate and combine into multi-cellular organisms which mutate, adapt, and grow over time into new forms of life.

============ CONCLUSIONS A. # 1 is an accepted scientific fact, by theists and atheists, importantly: it does not in and of itself describe how we got from initial proto - cell to current complexity B. # 2 has a severe flaw, as phyletic gradualism is dead, and punctuated equilibrium (the fossil record being characterized by new species appearing fully formed) is an accepted fact C. # 3 is the ONLY theory that has support from the fossil record

These little holes cause the bone to bleed; bringing in new cells which can form new cartilage (not as good as the original but still better than nothing!)

She says, «Our new findings show that in the absence of embryonic movement the cells that should form articular cartilage receive incorrect molecular signals, where one type of signal is lost while another inappropriate signal is activated in its place.

One study looked at behavior among mice, and concluded that males with new offspring develop new brain cells and neurons when they are physically present with their pups that do not form when they are absent.

«Our new findings show that in the absence of embryonic movement the cells that should form articular cartilage receive incorrect molecular signals, where one type of signal is lost while another inappropriate signal is activated in its place,» Paula Murphy, a professor of zoology at Trinity College Dublin who co-led the study, says.

An operation would be required where the bad bone cells would be removed from the femur and replaced with iron, that would also form a new femur head and neck.

«When a new substance forms during a chemical reaction, many students think that the atoms and molecules have actually changed into something new, whereas they simply rearranged, that the mass increase of plants is due to minerals in the soil, or that cell division alone accounts for animal growth,» said Cari Herrmann Abell, a senior research associate at Project 2061.

Neural stem cells with the ability to form new neurons in the brain are normally present in the hippocampus (the part of the brain connected to learning and memory) and in the subventricular zone of the brain.

Two labs have found a way to create cells that can form new blood — paving the way for donor - free blood transfusions and bone marrow transplants

That fat will not form without the new hairs, but once it does, the new cells are indistinguishable from the pre-existing fat cells, giving the healed wound a natural look instead of leaving a scar.

Current treatments are based on the bulk, brute removal of cells — but miss even a few, and evolution will see to it that the cancer returns in a new, often more resistant, form.

When heated, these atoms form a dark - tinted crystal known as a perovskite, a new darling of the solar cell industry (SN: 8/5/17, p. 22).

New research under the direction of Adrian Liston (VIB / KU Leuven) has discovered that a common genetic defect in beta cells may underlie both forms of diabetes.

Furthermore, it has been shown that the body's natural process of healing the wound created by surgery can actually spur these residual cancer cells to metastasize to distant parts of the body and form new growths.

The virus needs this one lipid to form the new particle and infect other cells,» Stahelin said.

That's because the new technique yields cells that have a lower, but not negligible, risk of forming tumours once implanted.

Stem cells capable of forming new eggs could promise limitless eggs for IVF treatments, and the rejuvenation of older eggs

Bone cells do not just form new bone, they also influence the blood sugar level.

To develop new drugs, scientists are investigating how the bone - forming cells can be activated.

Although the GP - write project could spur the development of brand - new types of cells that could make valuable fuels and drugs, it has come under scrutiny for its initial secrecy and the potential ethical issues that could arise as a consequence of the research, such as the creation of unnatural life forms.

They developed a computer model that better simulates how the cells recruit new ligands that eventually form focal adhesions by altering the geometry of the matrix's component fibers.

The iron in hemoglobin is scavenged and reused, usually to form new red blood cells.

But researchers dream of being able to create truly elastic electronic components — soft circuit systems that can act more like live cells, moving around autonomously and communicating with each other to form new circuits rather than being stuck in one configuration.

«This treatment is a new form of cell transplantation that utilizes the patient's own cells, so it does not require immunosuppressive drugs and, thus, avoids the side effects of those drugs,» says Scott Nyberg, M.D., Ph.D., a liver transplant surgeon at Mayo Clinic.

Designed for use in spinal fusion surgery of the lower back, Infuse consists of a titanium cage that houses a collagen sponge soaked in bone morphogenetic protein (BMP), a growth factor that signals bone - forming cells to produce new tissue.

Perhaps most crucially, when cells divide, microtubules form the spindle structure that first aligns the chromosomes in the middle of the cell then pulls them apart, so that each new cell gets one chromosome from each pair.

Maria Zajac - Kaye, Ph.D., an associate professor in the College of Medicine's department of anatomy and cell biology, and Rony François, an M.D. / Ph.D. student who works with her, found a new drug combination that inhibits one form of pancreatic cancer tumor and kills its cells.

One form of pancreatic cancer has a new enemy: a two - drug combination discovered by UF Health researchers that inhibits tumors and kills cancer cells in mouse models.

Stagljar and his colleagues also applied the new technology, which they dubbed MaMTH (for Mammalian - Membrane Two - Hybrid assay), to identify a protein that plays a role in the most common form of lung cancer called non-small cell lung cancer.

«It's been a debate for many years, whether there were indeed cells in the adult ovary capable of forming new eggs,» says Evelyn Telfer, a reproductive biologist at the University of Edinburgh who wasn't part of the new study.

«Before we get too excited about this being a new form of infertility treatment, these cells can not as yet be made into functioning sperm, so we have no idea if they can pass «the acid test» — the ability to fertilise female eggs as is achieved with donor sperm in IVF treatment,» says Malcolm Alison of the London School of Medicine and Dentistry in the UK.

NEW ROLE A kind of brain cell called an astrocyte (shown) may help nerve cells in the hippocampus form traumatic memories, a study in rats suggests.

Study casts doubt on whether adult brain's memory - forming region makes new cells.

A team of scientists and doctors from the SingHealth Duke - NUS Academic Medical Centre (AMC) has uncovered a new group of regulatory T (Treg) cells and DNA features associated with juvenile idiopathic arthritis (JIA), the most common form of arthritis among children under the age of 16.

«If you tried to put any kind of life - form you can imagine on Earth in a brine solution of that sort, the water would be sucked out of the cells,» mission leader Peter Smith told New Scientist.

WASHINGTON, D.C. — Helper cells in the brain just got tagged with a new job — forming traumatic memories.

This allows the cells to create a new zygote that is capable of forming all cell types.

The initial experiments made use of cancer cells that Quiñones - Hinojosa and his team removed from willing patients and grew in the laboratory until they formed little spheres of cells, termed oncospheres, likely to be the most resistant to chemotherapy and radiation, and capable of creating new tumors.

It also suggests that cell life could have emerged with a far greater variety of pre-cellular forms than those conventionally considered, as the new giant virus has almost no equivalent among the three recognized domains of cellular life, namely eukaryota (or eukaryotes), eubacteria, and archaea.

The news was incredible — the cells were able to form new immature eggs, and it was hoped that they could be harnessed to improve in vitro fertilisation and help older women to conceive a healthy baby.