Sentences with phrase «how human cells»

Understanding how yeast cope with osmotic stress is useful to understand how human cells respond to medical treatments, but the principles are also applicable to many other fields, including agriculture.

But ten years later, he is returning to the sub-equatorial continent with a clear scientific purpose: he wants to understand exactly how human cells respond to infection with HIV and tuberculosis.

With chimeras, added Wu, «we might have a chance to see how the human cells develop, how organs form, and how mutations can cause [such serious malformations] that there's a miscarriage.»

Rules for how human cells return to their original shape after mechanical loading.»

A better strategy might be to focus on how human cells offer influenza a cozy home.

Until now, however, none has actually seen how human cells manage to divide into two equally - sized daughter cells during mitosis.

Not exact matches

Zhang, by contrast, showed specifically how the technique could be used in the more complex (eukaryotic) cells of rhododendrons, rodents, and humans.

Hoping to learn something about how the human body defends itself against cancer, he had zeroed in on a complex regiment of lymphocytes called T cells, common to the immune systems in both mouse and man.

Thirty years ago he engineered a bacterial strain to produce an HIV enzyme so he could study how it enables HIV to infect human cells.

The goal here is to use «single - cell sequencing to understand how many different cell types there are in the human body, where they reside, and what they do,» as Nature reports.

In a rare appearance Dr. Chandan Sen, Director, OSU Center for Regenerative Medicine & Cell - Based Therapies will explain how this breakthrough came about and how the technology is leading to other medical discoveries and how the principle can be used to generate any tissue out of skin or fat which is abundant in human body.

At Key Stage 3 (age 11 to 13 +, Years 7 to 9) schools have to teach: that fertilisation in humans and flowering plants is the fusion of a male and a female cell; about the physical and emotional changes that take place during adolescence; about the human reproductive system, including the menstrual cycle and fertilization; how the foetus develops in the uterus, including the role of the placenta.

I won't ever understand how people could actually believe that something so massive, complex, and beautiful was actually started by some magical chance of a random explosion, and that humans somehow evolved from some small celled organism that happened to be created out of the explosion.

Now — estoeric concepts such as «the soul» put aside for a moment (since The Bible states that nobody can know when ensoulment happens despite the many differing opinions from prominent theologians throughout the ages), what characteristics define a human being and how does a single cell possess them all?

But exactly how is the positing of mentality at the level of individual cells and neurons supposed to help explain the emergence of full - blown consciousness in the human brain?

The researchers experimented with inducing oxidative stress in a human cell line culture with and without VCOP (virgin coconut oil polyphenols) to observe how VCOP positively promoted catalase, a very important enzyme in protecting the cell from oxidative damage, and glutathione (GSH), a self - recycling antioxidant produced by the liver.

The study could provide useful information on how immune cells could respond to allergens to prevent allergic symptoms in humans.

How else can microscopic cells evolve and differentiate into a fully formed human?

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.

Their first visit was to CytoCybernetics, where CEO Glenna Bett explained how her company has developed a system that uses computers and live human cells to screen drugs in their early stages of development, to determine whether they may cause any potentially deadly side effects.

To determine how the cells switch from one type to another, they took three human uterine carcinosarcoma samples and sequenced the genomes of cells in two parts of each tumor: the carcinoma and sarcoma components.

Researchers hope the organoids will be better than lab animals or cells growing in culture at revealing how the human brain develops, both normally and when things go awry, and identify potential therapeutic or genome - editing targets.

In addition to shedding light on how abnormal glia can cause schizophrenia, the study underlined how readily mouse brains accept human cells.

Famous for: Uses stem cells to grow human bone - potentially changing how surgeries are performed.

While other papers have examined these mutations using expensive and time - consuming experiments on live ferrets and laboratory cell cultures, Deem and Melia Bonomo used the pEpitope method to rapidly calculate how much the egg - passage mutations would decrease vaccine efficacy in humans.

In November 2010 Japanese researchers announced online in Analytical Chemistry that they had built a chip that simultaneously tests how liver, intestine and breast cancer cells respond to cancer drugs, and in February 2010 scientists publishing in the Proceedings of the National Academy of Sciences USA developed a microscale replica of the human liver that allowed them to observe the entire life cycle of hepatitis C, a virus that is difficult to observe in cultured cells.

The feat, reported in this week's Nature, offers a window to how cells in human embryos morph into organs.

The study provides a new understanding of how, billions of years ago, the complex cell types that comprise plants, fungi, but also animals and humans, evolved from simple microbes.

When the human body breaks down a foreign substance, one can typically find chemical by - products in hair or urine that provide clues about how it has interacted with cells.

Therefore, it is essential that we learn how specific types of chemical modifications normally regulate RNA function in our cells, in order to understand how dysregulation of this process contributes to human disease, says Cristian Bellodi.

To understand the mechanism of how Neu5Gc affects the human immune system, researchers analyzed various cells of the immune system that play a role during an inflammatory reaction.

Researchers at the University of Pittsburgh and Magee - Womens Research Institute (MWRI) have devised a cell - based model of the human placenta that could help explain how pathogens that cause birth defects, such as Zika virus, cross from mother to unborn child.

Using a mathematical model known as the Ising model, invented to describe phase transitions in statistical physics, such as how a substance changes from liquid to gas, the Johns Hopkins researchers calculated the probability distribution of methylation along the genome in several different human cell types, including normal and cancerous colon, lung and liver cells, as well as brain, skin, blood and embryonic stem cells.

In this latest advance reported in PNAS, the Wyss team showed that the human gut - on - a-chip's unique ability to co-culture intestinal cells with living microbes from the normal gut microbiome for an extended period of time, up to two weeks, could allow breakthrough insights into how the microbial communities that flourish inside our GI tracts contribute to human health and disease.

Telomeres are essential parts of human cells that affect how our cells age.

«We still don't know very much about how individual cells in the brain coordinate the activity of higher - level function that defines us as humans,» he says.

«We've figured out for the first time how to produce these cells from human embryonic stem cells literally by the billions and billions,» Lanza says.

The work, funded by the US National Human Genome Research Institute, aims to create human cell lines with subtly different genomes in order to test ideas about which mutations cause disease andHuman Genome Research Institute, aims to create human cell lines with subtly different genomes in order to test ideas about which mutations cause disease andhuman cell lines with subtly different genomes in order to test ideas about which mutations cause disease and how.

Since the completion of the Human Genome Project in 2003, scientists have expanded their knowledge of how living cells work with new approaches including genomics, proteomics, and systems biology.

In experiments in human cells grown in a lab dish, the researchers showed that they could accurately label mRNA molecules and determine how frequently they are being translated.

The findings, in mice and in human stomach cells, also raise questions about how cancer cells may evade treatment.

Published in Molecular Neurobiology, the study led by Dr Elodie Siney under the supervision of Dr Sandrine Willaime - Morawek, Lecturer in Stem Cells and Brain Repair at the University, analysed how enzymes called ADAMs affect the movement and function of the human tumor cCells and Brain Repair at the University, analysed how enzymes called ADAMs affect the movement and function of the human tumor cellscells.

Although researchers do not yet know the biological significance of these discoveries, they say that fully cataloguing the genome may help them understand how genetic variations affect the risk of contracting diseases such as cancer as well as how humans grow from a single - celled embryo into an adult.

They generated an experimental model to investigate how one of the genes commonly mutated in blood cells of elderly humans, TET2, affects plaque development.

Meanwhile, recent human studies indicate that aging is associated with an increase in somatic mutations in the hematopoietic system, which gives rise to blood cells; these mutations provide a competitive growth advantage to the mutant hematopoietic cells, allowing for their clonal expansion — a process that has been shown to be associated with a greater incidence of atherosclerosis, though specifically how remains unclear.

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.

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.

Human tumor cells (red) growing in a zebrafish embryo may help doctors choose how to treat cancer patients.

This new insight into how chromosomes are disassembled and reassembled during cell division will allow researchers to begin answering basic questions about epigenetic inheritance, as well as human disease such as chromosome disorders and cancer.

The scientists harvested the mutant hemagglutanin proteins from the cells and tested how strongly they bound to human - type and bird - type receptors.