Sentences with phrase «alters cell function»

It appears that they can also alter cell function: a specific rice microRNA was shown to bind to and inhibit the activity of receptors controlling the removal of LDL — «bad» cholesterol — from the bloodstream.
They also want to be able to insert more subtle mutations, such as those reported in HIV - resistant individuals, which could alter cell function just enough to confer resistance but without fully deactivating the gene and impeding cell function.

Not exact matches

Disease: Sleep deprivation alters immune function, including the activity of the body's killer cells.
But when their functioning is altered, as the UCL researchers observed in tumor cells, the mitochondria can promote cell migration, thus leading to the formation of metastasis.
We're funding researchers to investigate how drugs alter what genes are activated such that they modify the function of the cells, and how this, in turn, modifies the functions of brain circuits, and how that modifies behavior.
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.
Because neural crest cells contribute to so many tissues in the body, altering their function could change an animal's behavior, appearance and biology, the researchers reasoned.
Cells purposely produce the chemical, which can quickly oxidize proteins to alter their functions.
Changes to the properties of the lipid bilayer component of the cell membrane can alter the function of proteins embedded in the membrane — proteins that regulate critical functions such as transport of materials in and out of the cell and communication with other cells.
mTOR controls expression of proteins that alter mitochondrial structure and function in ways that unexpectedly protect cells from death, the team reported.
Proponents of this idea suggested that chlorine exposure might destroy the cell wall — by altering it physically, chemically and biochemically — and so terminate the cell's vital functions, killing the microorganism.
«We reproduced in the lab the genetic change to Smchd1 found in one of the families to better understand how this mutation alters Smchd1 and its ability to function in the cell.
«Because many broadly expressed genes that play key roles in essential cellular functions are under the control of cell - specific enhancers, the ability to affect enhancer function by knocking down eRNAs could potentially provide a new strategy for altering gene expression in vivo in a cell - specific manner,» said Glass, noting that in his research, anti-sense oligonucleotides were developed in conjunction with Isis Pharmaceuticals, which suppressed enhancer activity and reduced expression in nearby genes.
This finding suggests that persistent THC may alter the inhibitory function of these cells, increasing dopamine levels and the rewarding features of marijuana.
While many protein factors are known to subtly regulate the function of T cells, David Munn and Andrew Mellor of the Medical College of Georgia in Augusta suggest that the fetus uses a cruder method to alter T cells» behaviour: starvation.
«We envisage that morphological changes are likely to impact the function of chandelier cells, and consequently, alter the activity of cortical networks.
The AIDS virus alters the growth and function of T4 lymphocytes, a class of white blood cells that is crucial to the immune system.
Furthermore, besides offering valuable insight into the function of this novel RNA type, the researchers also believe that the findings will open new avenues for novel treatments in which cell - specific enhancer sequences can be targeted to alter gene expression.
Exomeres largely fuse with cells in the bone marrow and liver, where they can alter immune function and metabolism of drugs.
Or other types of cells besides neurons might pick up electrical fields and gradually alter brain function.
Enzymes in this family couple other proteins in the cell to a molecule called ubiquitin, a step that can alter the function or stability of these target proteins.
When the research team used pharmaceuticals to inhibit one function of the endoplasmic reticulum (the building of so - called lipoprotein particles that will export fats out of the cell), the gene activation process was inhibited for many key genes and nuclear ruffling was also altered.
However, this cellular intervention alters the normal expression of hypophosphorylated retinoblastoma (RB) protein needed for the expression of genes involved in cell functions [3] and, therefore, results in an abnormal cell.
Masters et al. discuss the often overlooked contribution of the stromal microenvironment as an extrinsic factor to immunosenescence and inflammation.12 Accumulation of senescent stromal cells which demonstrate the senescent associated secretory phenotype (SAPS), may alter tissue structure and function, and increase local inflammation.13 The impact of altered lymphoid stromal microenvironment may be widespread and include altered haematopoiesis, reduced lymphatic flow and disrupted secondary lymphoid organisation, which consequently will alter antigen transportation and presentation to T cells.12
Nucleofection disrupts tight junction fence function to alter membrane polarity of renal epithelial cells.
In mice, the anti-angiogenic mTOR inhibitor everolimus did not alter cognitive functions but led to weight loss and modification of cell metabolism in brain regions involved in sleep / wake cycle or food intake, likely connected to fatigue.
Macrophage depletion alters the blood — nerve barrier without affecting Schwann cell function after neural injury.
Only introducing the altered gene into cells and studying protein function in the lab provides that information, Traynelis says.
However, using these cell lines it should be possible to determine in detail how the defects arise (which is difficult in patients), and perhaps how to alter the segregation of mutant versus normal mtDNA during cell division to eventually lessen the burden of abnormal mitochondria function.
Modulating ECM assembly to alter tumor vascular barrier function Weilan Ye, Genentech Lymphangiogenesis and lymphatic endothelial barrier as targets in regenerative medicine Giorgia Jurisic, Novartis Wnt / beta - catenin signaling as a therapeutic target for blood - brain barrier repair in neurological disorders Dritan Agalliu, Columbia University Somatic mutations in hematopoietic cells contribute to cardiovascular disease: New mechanisms, new targets Kenneth Walsh, Boston University
This has been evidenced by 1) increased acinar cell necrosis, 2) increased serum amylase and lipase, 3) higher hepatic damage, 4) altered liver function test, 5) increased kidney damage, 6) increase in serum urea and creatinine, 7) altered distribution of pancreatic cells, 8) increased vacoulation and irregular islets, and 9) mild fibrosis in exocrine regions.
Il - 2 was one of the first cytokines («messenger» molecules that allow cells to communicate and alter one another's function) and proved to be a major tool not only for immunology but also for the discovery of all human retroviruses.
It was discovered that CMV was the prime driving force behind most of the oligoclonal expansions and altered phenotypes and functions of CD8 cells.
Cellular senescence is the irreversible growth arrest of individual mitotic cells, which as a consequence display a radically altered phenotype that is thought to impair tissue function and predispose tissues to disease development and / or progression as they gradually accumulate.
Our goal is to gain mechanistic understanding how altered expression or function of key mitotic regulators (e.g. GTPases, kinases) can give rise to genetically unbalanced cells that may initiate tumorigenesis.
Her current research is focused on discovering how normal and disease melanocyte cell states establish distinct regulatory DNA landscapes, and also determining how the combination of both genetic variation within these regulatory regions and environmental cell signals alter gene expression and normal cell function.
It has now become clear that CMV is commonly the driving force behind the oligoclonal expansions and altered phenotypes and functions of CD8 cells seen in most old people.
We are also examining how gene expression and mitochondrial function is altered in human cells in the disorder known as Chronic Fatigue Syndrome or Myalgic Encephalomyelitis, in order to develop objective tests for the illness as well to identify causal factors.
A single poor transcript could therefore have devastating consequences, not just by directly altering a cell's enzymatic activity but through a domino effect that leaves other, unrelated proteins unable to function right.
Specific topics include the abilities to recognize, sort and transport important molecules; sense the environment; alter shape or surface texture; generate onboard energy to power effective robotic functions; communicate with doctors, patients, and other nanorobots; navigate throughout the human body; manipulate microscopic objects and move about inside a human body; and timekeep, perform computations, disable living cells and viruses, and operate at various pressures and temperatures.
Polymorphisms in five of 15 genes (33 %) encoding molecules known to primarily influence pancreatic beta - cell function - ABCC8 (sulphonylurea receptor), KCNJ11 (KIR6.2), SLC2A2 (GLUT2), HNF4A (HNF4alpha), and INS (insulin)- significantly altered disease risk, and in three genes, the risk allele, haplotype, or both had a biologically consistent effect on a relevant physiological trait in the QT study.
Unlike in type 1 diabetes, in which insulin production is limited because beta cells are destroyed, «arsenic induces glucose intolerance through a disruption of beta - cell function that alters normal stimulus — secretion coupling,» the researchers wrote.
Tumor cells carry a unique set of mutations in its genome that alter normal cell functions.
This dichotomy points out the importance of an indirect influence on proteins whose altered function is required during carcinogenesis but are too essential to be mutated (i.e., mutation of their encoding genes could decrease the viability of cancer cells).
This sudden movement causes stretching and tearing of connections between brain cells and creates chemical changes that alter normal brain function.
By altering its function, researchers basically tilted the scales for muscle cells to burn more fat than sugar.
Disease: Sleep deprivation alters immune function, including the activity of the body's killer cells.
In addition, the DHA and EPA found in fish oil have a powerful ability to enhance the metabolism and increase fat burning by positively altering the gene functioning through various mechanisms which include changing the makeup of cell membranes, altering the transcription of genes and influencing the levels of calcium within the cells.
How do you feel about all the people out there claiming that garlic harms brain cells, alters proper brain functioning, and other negative effects?
It also tenaciously binds with tissue altering DNA, nerves, cell membranes, mitochondrial function.
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