Sentences with phrase «on different types of cells»

Since then, there have been thousands of studies documenting the positive effects laser light has on different types of cells, tissue, and disorders.

«We want to start looking system by system to see how widely acting this process is on different types of cells,» he says.

Not exact matches

Julius's team compared gene activity in different types of nerve cell from diamondback rattlesnakes, which all have shallow pits on their faces that detect heat.

The functions of the hippocampus are based on different cell types, some of which are generated throughout life by neural stem cells.

They focused on four different types of mice, each of which made GFP in a single type of retinal ganglion cell.

They found that depending on the cell of origin, mutations in PIK3CA and p53 induced very different types of tumors.

«By observing entorhinal - hippocampal neurons based on their birthdate, we realized that these cells were somehow special and very different from the other surrounding cell types, which was instrumental to find out how and to what extent they influenced the assembly of the network.»

«Growing stem cells on synthetic surfaces with different levels of compliance showed that stem cells would become a different cell type depending solely on the mechanical environment they perceive.

The researchers then took naïve immune cells — which transform into different types based on the invaders they encounter — from the blood of healthy individuals and exposed them to bacteria in the guts of MS patients.

Researchers have proposed at least five models of Barrett's esophagus, each based on a different cell type.

Previous research had shown that nicotine seems to have conflicting effects on different types of nicotinic acetylcholine receptors, proteins on the surface of brain cells that respond to nicotine and the naturally occurring neurotransmitter acetylcholine.

Human epidermal equivalents representing different types of skin could also be grown, depending on the source of the stem cells used, and could thus be tailored to study a range of skin conditions and sensitivities in different populations.»

The researchers noted that the two studies made strikingly similar findings despite the fact that they focused on different types of immune cells.

Today, a team of scientists at Cold Spring Harbor Laboratory (CSHL) led by Professor Partha Mitra describes a new mathematical model that combines large data sets to predict where different types of cells are located within the brain, based on their molecular identity.

«A taste cell encyclopedia: Single cell RNA - seq will provide key insight on how different types of taste cells function.»

The team used five types of antibiotics — including one used to treat acne (doxycycline)-- on cell lines of eight different types of tumour and found that four of them eradicated the cancer stem cells in every test.

They found that the number of copies of lncRNA genes on a chromosome consistently change in 12 different cancer types and lncRNA genes are widely expressed in cancer cells.

«We wanted to understand how the monarch is processing these different types of information to yield this constant behavior — flying southwest each fall,» said Shlizerman, who is lead author on the team's recent paper in the journal Cell Reports.

In addition, they also counted the numbers of various types of single - celled organisms called testate amoebae, whose population changes depending on the amount of water in the bog, giving an indication of how wet or dry the climate was during different periods.

Surprisingly, they found that although the patterns of gene expression — as shown by the RNA sequencing — differed between the hepatocellular carcinomas and the liver cancers with biliary phenotype and depended on the histological type, the overall pattern of mutations in the cells was actually similar between the tumors — of either type — that had emerged in patients who had had infections with either hepatitis C or B, and were different in patients without such infections.

Why two types of single - celled organism that form the deepest branch on the tree of life — bacteria and archaea — have completely different cell membranes

To make the pigmented skin constructs, the team used three different types of skin cells — keratinocytes, melanocytes, and fibroblasts — and a two - step «drop on demand» bioprinting method.

«Although right now we are focusing on developing a cancer vaccine, in the future we could be able to manipulate which type of dendritic cells or other types of immune cells are recruited to the 3D scaffold by using different kinds of cytokines released from the MSRs,» said co-lead author Aileen Li, a graduate student pursuing her Ph.D. in bioengineering at Harvard SEAS.

«Our next step is to find out more about how we can vary the size of the embryoid body by changing the printing and structural parameters, and how varying the embryoid body size leads to «manufacture» of different cell types» adds Rui Yao, another author on the paper.

In order for these unspecialized cells to acquire the characteristics that make a leaf cell different from a root cell or a blood cell different from a muscle cell, they must turn on different subsets of genes to produce the proteins responsible for each cell type's distinctive properties.

The next steps for Zhang and his team is to focus mostly on using the agent on different types of stem cells and to test them in vivo.

While it is present on a number of different types of cells in the body, it is expressed at higher levels on metastatic tumour cells, including those which have spread from the lung.

«We generate a pattern of an organ that we want, creating a 3D hollowed - out structure, stick it on a piece of glass, then we can introduce a lot of different cell types,» Gillrie says.

There are different types of glioma, classified according to an established system based on which cell type the tumor arises from.

Named after the BMP signal protein, this pathway controls the evolution of various cell types depending on the protein concentration, similar to the Wnt pathway, but in a different direction.

«The organization of cell colonies and phenotypic switching between different types of colonies becomes a lot more flexible and rapid with reversible aneuploidy than if it depended on random mutations in the genes,» Skupin says.

To test whether the childhood infection and stem cell depletion had any effect on the adult heart, the researchers exposed infected mice to two different types of cardiac stress.

Because stem cells have the ability to develop into many different cell types in the body, researchers at USF's Center of Excellence for Aging and Brain Repair, Department of Neurosurgery & Brain Repair have focused on using stem cells to restore function lost through neurodegenerative disorders or injuries.

Key elements of the immune system, they also have the ability to turn into several cell types after having passed the endothelial barrier, in order to fulfil different functions depending on the tissue.

So to be able to make the most efficient use of the sunlight, one of the possibilities is to build tandem - type structures, in other words, to fit the cells manufactured with different polymers one on top of the other,» explained Etxebarria.

«Our data reveals, in exquisite resolution, that the conversation between cells of different types changes the cells in a way that likely mimics what is going on during human development,» said Treutlein at Max Planck.

Tests on the mice showed that many different types of mature blood cells were making ADA.

«We thought, why not use a different cell type — and we can easily get access to fat,» says Joseph Wu, a co-author of a study on this process and assistant professor of medicine at Stanford.

Other forms of cell - cell interaction, on the other hand, are only effective in mixed population structures; these include, for example, cross-feeding mutualisms in which different cell types depend on close proximity to benefit each other [17 — 19].

Analysis for embryos was done on images of seven different embryos (seven mutant and seven wild type embryos) inside gravid hermaphrodites (only one and two cell early embryonic stages were chosen for comparison).

In response to the initial chemical signal, these cells take on the genetic signatures of two different cell types.

In addition, most of these screens have been performed on the model species Arabidopsis thaliana, a dicot, which is known to have a different cell wall type than grasses [9].

Although, Hedrick and Linden target different cell types, innovations by both groups could encourage clinical tests of drugs designed to switch on a patient's immune cells by eradicating secondary lung malignancies.

For example, Bonin explains, a study might test whether turning on two types of nerve cells — each with a different opsin — gives different results from switching on just one.

I and a colleague have attempted to use this on two different types of cell lines using Flow cytometry and fluorescence microscopy all of which proved unsuccessful.

 Much of transplant biology focuses on one type of immune cell (T cells), but Newell found that the cells that may make the biggest difference for long - term tolerance are different, B cells.

July 2009 - Switching on the power of stem cells Cambridge scientists reveal how the protein Nanog gives stem cells their unique abilities Researchers from the Wellcome Trust Centre for Stem Cell Research at the University of Cambridge have pinpointed the role of the protein Nanog in a complex process that gives stem cells pluripotency: the ability to produce all the different cell types of the bCell Research at the University of Cambridge have pinpointed the role of the protein Nanog in a complex process that gives stem cells pluripotency: the ability to produce all the different cell types of the bcell types of the body.

A major new insight is the realization that different tumors of the same type may rely on entirely different tumor stem cell populations.

Overton studied the elaborate structures on the surfaces of cells in order to understand how single cells established and maintained connections with their partners as they matured to form different types of tissues in the developing embryo.

(Adult stem cells, on the other hand, are much more limited in their potential; they can usually only become a few different cell types, and consequently are not applicable for treating as wide a variety of diseases as hESCs are.)