Sentences with phrase «made of human cells»

BUILDING artificial tissue could become child's play, if Lego - like blocks made of human cells can be assembled into working organs.

Q2 «Fetus is made of human cells and has a independent heart (however primitive)?

Being made of human cells irrelevant, as you can find Jesse James» human cells, and he isn't alive.

Not exact matches

While we thrive thanks to lightning speed Internet connections, cell phones that are smarter than the average human being and other neat gadgets that make our lives feel and seem easier, we are exhausting a number of non-renewable resources.

Prior to the development of a fully functioning nervous system, and the activation of said system, a human embryo is «alive» in the same sense a tumor is «alive»: the individual cells that make it up are alive, but there is no higher - level functionality.

Proponents of human cloning assert that this is the only method of producing pluripotent stem cells with the same genetic make - up as adult patients.

This depends upon there being a brain, an arrangement of cells in a particular part of the body which by reason of its peculiar coordination makes the given routing able to «know» in a distinctively human manner — quite different from, although certainly continuous with, the sort of «knowing» that is possible for the higher grades of animal life.

They include going after the damage to cells done by free radicals, making use of hormone therapy, or caloric restrictions, or vitamin supplements, or, most dramatically, healthy gene selection through pre-implantation genetic diagnosis and even repairing the entire human genome.

------------- And if 90 % of dust particles are made up of human skin cells, then I think there's a naked man living under my bed... And he's HAIRY!

Some people would make an exception of one cell, the fertilized human ovum.

Modern psychosomatic medicine has made some progress in analyzing along these lines; for example, it seems quite possible that the emotional tone of my soul may directly alter the patterns of physical feeling in my stomach.4 Still, we should not suppose too quickly that the aims of a human personality have any very effective direct influence on the molecules of body cells, other than those in the brain.

Specifically, when capsaicin frequently binds to receptors within the human central nervous system's TRPV1 channel (the sensory receptor system for pain and heat detection), these receptors deplete and this depletion results in a whole host of benefits for the central nervous system at large, including terminating cancer cells, increasing the metabolic rate and digestive efficiency, increasing circulatory blood flow, and combatting inflammation, and making you feel better about the world.

This approach revealed a highly sensitive portrait of the genes being expressed in human milk - making cells.

For a long time, insulin was not thought to play a direct role in regulating the milk - making cells of the human breast, because insulin is not needed for these cells to take in sugars, such as glucose.

By the 4 - 8 cell stage of life, human embryos have to «turn on» their own genes and start making their own proteins.

Visually, she is filming and analyzing time - lapse images of human embryos in the incubator and has been able to correlate various parameters of how cells divide with the probability that the embryos will make it to a full blastocyst stage by day 5 - 6 of culture.

Frankenbunnies Embryos made by Chinese researchers who fused human skin cells with rabbit eggs, hoping to create a source of stem cells.

Martin Fussenegger of the Swiss Federal Institute of Technology in Zurich and his colleagues made this implant by genetically altering human skin cells so that they would become darker in colour when exposed to rising calcium levels.

To make the HSCs, the Harvard group used human skin cells to create induced pluripotent stem cells (iPSCs), adult cells researchers genetically reprogram to an embryonic - stem - cell state, where they can grow into any kind of cell.

Introducing human prostate cancer cell lines into mice, Wu and his colleagues saw a particular enzyme called MAOA activate a cascade of signals that made it easier for tumor cells to invade and grow in bone.

That success represents a dilemma for neuroscience, said bioethicist Hank Greely of Stanford University: «When you make a chimera with human cells in its brain, the closer the resulting brain is to human» in structure and function and «the greater the ethical and public concern.»

If true, this would be the first method to complete the final steps in making human sperm, although other labs have managed to push cells through some of the earlier stages.

Hammer and colleagues Dennis Discher and Frank Bates attempted to scale up this process to make vesicles more than 10 micrometers in diameter — the size of human cells.

A new type of human stem cell, never seen in nature, should be better at making replacement organs than existing stem cells

Trials of cells made from human embryonic stem cells are also poised to begin in people with type 1 diabetes and heart failure, the first time embryonic stem cells have been used in the treatment of major lethal diseases.

The man responsible for one of the original sequences of the human genome as well as the team that brought you the first living cell running on human - made DNA now hopes to harness algae to make everything humanity needs.

In the study, the researchers loaded a hydrogel — a half - inch disc made of a biodegradable sugar naturally found in the human body — with drugs that activate dendritic cells.

Yet, whereas the cells of bacteria and other microbes are small and simple, all visible life, including us humans, is generally made up of large and complex cell types.

«Today's findings exemplify the many advances we've made in using CRISPR - Cas9 and human induced pluripotent stem cell technologies and the amazing discoveries that have resulted,» said Hideyuki Okano, MD, PhD, of the Keio University School of Medicine in Tokyo, Japan.

Scientists have long experimented with organs - on - chips: tiny representations of human organs, such as lungs, hearts and intestines, made from cells embedded on plastic about the size of a computer memory stick.

But the factor that may make the discovery very significant is that umbilical cord blood can be saved, stored and multiplied without any of the ethical dilemmas facing embryonic stem cell use, which are derived from human fetuses.

Nor do they need to be nourished from underneath by «feeder layers» of animal cells which have been shown to contaminate human cells grown, making them unsuitable for use in medical treatments.

John Glass, a senior microbiologist in the synthetic biology group at the J. Craig Venter Institute in Rockville, Maryland, puts it this way: If you can imagine a set of genes that will program a cell to do something — anything — then you can make them «at a reasonable cost and test your hypothesis... so it will be possible to attempt to design organisms that have extraordinary properties to solve human needs.»

The patch is made of eye cells made from human embryonic stem cells, and it has been designed for treating the «dry» form of macular degeneration, which accounts for 90 per cent of all cases, and affects 1.7 million people in the US.

The same observations were made in organoids (artificially grown masses of cells that resemble an organ) created from unique basal progenitor cells that were isolated from the gastroesophageal junction in mice and humans.

The Duke researchers who made this discovery say it may help explain how a relatively small number of genes can create the dazzling array of different cell types found in human brains and the nervous systems in other animals.

Another interesting aspect to the work is that it demonstrates the possibility of adding new machinery to human cells to enable them to make therapeutic agents in response to disease signals.»

«One of the broader goals of our research is to make regenerative treatments more accessible and clinically relevant by developing easy, efficient and cost - effective ways to engineer human cells and tissues,» said Shyni Varghese, a bioengineering professor at UC San Diego and senior author of the study.

«We have identified the molecular mechanisms by which the Tat protein made by HIV interacts with the host cell to activate or repress several hundred human genes,» said Dr. Iván D'Orso, Assistant Professor of Microbiology at UT Southwestern and senior author of the study.

Geron, the biotech wunderkind, last made big news in November 1998 when scientists they funded — James A. Thomson of the University of Wisconsin and John D. Gearhart of Johns Hopkins — independently isolated two sorts of so - called human pluripotent stem cells.

His laboratory discovered that some of the same RNA that is inside human cells are also present in saliva and can be used to detect diseases — a surprising finding, he said, because enzymes in saliva can degrade RNA, making the mouth «a hostile environment.»

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.

Twelve people with Stargardt's macular dystrophy will be treated with retinal cells made from human embryonic stem cells (hESCs) in the hope of improving, or at least halting loss of sight.

Most animals, including humans, have two copies of their genome — the full set of instructions needed to make every cell, tissue, and organ in the body.

Physician David Nathan, director of the diabetes center at Massachusetts General Hospital in Boston, notes in an email message that «what is ironic here is that [free radicals are] generally thought to be bad in human diabetes,» because they lead to dysfunction in the cells that make insulin and vascular complications.

In studies with human fibroblasts that make up connective tissue, Boger's team tested whether NOD1 activity could affect CMV replication in cultures of cells grown in the lab.

«It's taken years of trial and error, making educated guesses and taking baby steps to finally produce functioning human muscle from pluripotent stem cells,» said Lingjun Rao, a postdoctoral researcher in Bursac's laboratory and first author of the study.

An initial library of 15 biodegradable particle formulations was tested for their ability to carry siRNAs into human glioblastoma cells that were genetically engineered to make green fluorescent protein (GFP).

The report, from a committee made up of 11 members of Parliament, also recommends legalizing research involving embryos of chimeras and hybrids, which includes cells created by fusing human and animal nuclei.

The results obtained by Afsaneh Gaillard's team and that Pierre Vanderhaeghen at the Institute of Interdisciplinary Research in Human and Molecular Biology show, for the first time, using mice, that pluripotent stem cells differentiated into cortical neurons make it possible to reestablish damaged adult cortical circuits, both neuroanatomically and functionally.