Sentences with phrase «into cells and tissues»

They pick up fluorescent signals from particles inserted into cells and tissues that are illuminated with specific wavelengths of light.

Not exact matches

Instead of being injected into the bloodstream and exposed to the rest of the body's tissue — with all the unpleasant side effects, as is the case with chemotherapy — these agents only target cancer cells.

The printers start with cells of the desired tissue and combine them with a powdery «ink,» which is molded into the required shape.

ReInnervate, a start - up in Durham, England, is developing a tiny, three - dimensional plastic scaffolding on which human cells can be grown into artificial tissue, and perhaps eventually into replacements for organs.

Animal cells are cultured from stem cells and incubated in a «bioreactor» into tissue that can be «harvested» and formed into familiar foods like meatballs, patties, and fish sticks.

The building block electronic and protonic actual occasions are, in the case of human beings, swept into vastly more complex, Chinese box - like sets of containing societies within which there are social levels that can be identified with cells, others which answer to Aristotle's levels of tissues and organs, and which finally are presided over by what Whitehead refers to as the regnant nexus, a social thread of complex temporal inheritance which, Whitehead suggests, wanders from part to part of the brain, is the seat of conscious direction of the organism as a whole, and answers to what in Plato and Aristotle is called the soul.

Such was the comfortable vista which, less than a century ago, began abruptly to change beneath our gaze, something in the fashion of those organic tissues in the living body which, after long remaining harmless and dormant, their cells apparently indistinguishable from those of the surrounding tissue, suddenly burst into dangerous growth.

If the egg is fertilized by a sperm cell, it stays in the uterus and grows into a baby, using that extra blood and tissue to keep it healthy and protected as it's developing.

Most other lubricants, freshening gels, and massage oils on the market are hypo or hypertonic (too low or too high of a salt concentration compared with vaginal tissues), and cause water to be pushed into, or pulled out of the vaginal cells.

It's a rich source of stem cells, particularly those that can grow into tissues, organs, and blood vessels.

She demonstrated that early experience leads to lasting changes in the molecular structure of the brain and discovered a gene involved in the spread of brain cancer cells into healthy brain tissue.

To discover these targets, the team determined when and where each gene is turned on or off in the cells and tissues of H. contortus to reveal new insights into the worm's lifecycle.

But as new methods of genetic modification emerge, both the scientific and the sports communities are becoming increasingly aware that gene therapy — the insertion of genes into an individual's cells and tissues — will make its way onto the playing field.

Stomach switch The key to turning pluripotent stem cells into stomach cells was a pathway of interactions that acts as a switch between growing tissues in the intestine and in the antrum, a part of the stomach near its outlet to the small intestine.

Da Cruz and his team grew replacement RPE cells from human embryonic stem cells on a thin plastic scaffold, before transplanting the tissue into the back of each volunteer's eye.

Philippe Durand and Marie - Hélène Perrard at the biotechnology company Kallistem in Lyon, France, say that their method coaxes seminiferous tubules — tissue that produces sperm in the testes — taken from humans, rats or monkeys into producing mature sperm cells.

To develop their «disease in a dish» model, the team took skin cells from patients with Allan - Herndon - Dudley syndrome and reprogrammed them into induced pluripotent stem cells, which then can be developed into any type of tissue in the body.

EphA2 spreads cancer by allowing malignant cells to migrate from the primary tumor into circulation and eventually to adhere to other tissues.

International Stem Cell scientists have converted them into liver cells and plan to convert them into neurons for treating Parkinson's disease, pancreatic cells for diabetes, and other tissues.

Cancer cells can break away from a primary tumor, penetrate into lymphatic and blood vessels, circulate through the bloodstream, and grow in a distant focus (metastasize) in normal tissues elsewhere in the body.

Retinal tissue contains light - sensitive cells that absorb wavelengths in the visible spectrum and convert them into electrical signals.

Damaged mouse sciatic nerves produced hundreds of times the normal amount of two «chemoattractant» molecules, Cxcl1 and Cxcl2, which attach to the surfaces of neutrophils and draw the immune cells into injured tissue.

To solve this problem, Smadar Cohen, a tissue engineer at Ben - Gurion University of the Negev in Beersheba, Israel, and colleagues seeded rat cardiac cells onto scaffolds which they transplanted into the omentums of eight rats.

The researchers — James Robl, a developmental biologist and his colleagues at the University of Massachusetts at Amherst, and Steve Stice at Advanced Cell Technology in Worcester, Massachusetts — inserted a marker gene fused with a gene for resistance to the chemical neomycin into a culture of connective tissue cells called fibroblasts.

Compared with unheated mice, the animals with the faux fever had twice as many white blood cells migrating out of the blood vessels and into the lymph tissue that lines the skin and gut, which is where they need to be to attack incoming pathogens.

The researchers also found that arteries and veins from the macaques» hearts grew into the new heart tissue, the first time it has been shown that blood vessels from a host animal will grow into and nurture a large stem - cell derived graft of this type.

Yoshiki Sasai at the RIKEN Center for Developmental Biology in Kobe, Japan, and colleagues encouraged embryonic stem cells to develop into retinal cells, and then grew them alongside a protein matrix to promote the formation of tissue.

They use a near - infrared laser beam, which can penetrate deep — in this context, deep means a centimeter or two — into the tissue, where a nanoparticle turns the near - infrared light into blue light, and that directs the activity of genetically engineered immune cells.

Previous studies have found that brown fat can be coaxed into action by activating the β3 - adrenergic receptor, which is expressed on the surfaces of brown and white fat cells, as well as on cells of the urinary bladder and other tissues.

The real test will be to inject these cells into mice and see if they form teratomas — tumours containing tissue or structures derived from all three germ layers.

«It has been shown in mice that live immune cells in breast milk pass through the intestinal mucosa into the blood circulation of the pups and engraft in various tissues,» says Hassiotou.

Dr Coleman and her group have developed a sensitive test to allow them to detect the location and number of the stem cells after they've been added; they report that the stem cells do not permanently integrate into the host tissue but instead produce signals that encourage the host's own cells to heal the fracture more efficiently.

Reproductive cells, such as an egg and sperm, join to form stem cells that can mature into any tissue type.

Finally, the team grew the tissue in a three - dimensional system, which coaxed it into forming all the structures found in gut tissue, including the finger - like villi that protrude inwards to increase surface area, and recesses called crypts containing the intestinal stem cells that renew the gut lining weekly (Nature, DOI: 10.1038 / nature09691).

The researchers tinkered with the voltage in cell membranes of developing African clawed frogs (Xenopus laevis) and found that electric charge plays a role in how big the brain grows and what kind of tissue developing cells grow into.

Sen and his colleagues tested sucralose, a popular low - calorie sweetener, on stem cells — cells that could change into mature fat, muscle, cartilage or bone cells — taken from human fat tissue.

As it can take weeks to grow human cells into intact differentiated and functional tissues within Organ Chips, such as those that mimic the lung and intestine, and researchers seek to understand how drugs, toxins or other perturbations alter tissue structure and function, the team at the Wyss Institute for Biologically Inspired Engineering led by Donald Ingber has been searching for ways to non-invasively monitor the health and maturity of cells cultured within these microfluidic devices over extended times.

The scientists» findings have wide implications in the effort to understand how organs are sculpted into their shapes and how cells respond to their native mechanical environment both in healthy tissues and during disease.

During embryonic development, undifferentiated stem cells accumulate methyl groups and other epigenetic marks that funnel them into one of the three germ layers, each of which gives rise to a different set of adult tissues.

To get into the blood vessels, the cell needs to penetrate tissue, both when it leaves the tumour and when it is attaching to a new organ.

In humans, the goal of SCNT is «nonreproductive cloning» — making embryos, then removing stem cells from the embryo and cultivating them to grow into tissues that could cure diseases, replace organs and heal injuries.

In one such approach, researchers surgically remove brain cells, use viruses to transfer genes to the cells, and then graft them back into the animal's brain tissue.

These so - called pluripotent stem cells can be derived from a variety of adult cells and be guided into almost any other tissue type.

Researchers can create iPSCs from a patient's blood or skin cells, and use these patient - specific cells to study diseases or even create new tissues that could be transplanted back into the patient as therapy.

The stem cells used, mesenchymal stem cells (MSCs), are thought to elicit a less vigorous immune reaction than blood stem cells, and MSCs can develop into bone, along with other connective tissues.

What's more, the researchers discovered two years ago that the suppression of Esrp activity helps to enable a process called the epithelial - mesenchymal transition (EMT), in which epithelial cells acquire properties allowing them to detach and develop into new tissue.

Stem cells have the prized ability to divide and replenish themselves, as well as turn into different types of tissues.

Labs could rejuvenate cells from patients and perhaps then grow them into new tissue that could repair parts worn out by old age or disease.

As the wound heals, the gel breaks down into amino acids — the building blocks of proteins — that can be taken up by nearby cells and used for tissue repair, according to MIT neuroscientist Rutledge Ellis - Behnke.

With more - than -30-year-old frozen tissues from a preserved frog, the team extracted and implanted the nucleus of a dead cell into a fresh host egg from a distantly related species.