Microfluidic tools for precision measurements of cell migration speed reveal that migratory speed of
individual cells changes stochastically from parent cells to their descendants, while the average speed of the cell population remains constant through successive generations.
In the current study, the authors used single - cell RNA sequencing (RNA - Seq) to monitor how
individual cells change when they are combined in a three - dimensional (3D) microenvironment.
Not exact matches
Every
individual part may
change and pass away, like
cells in a body, but the one self goes on.
Instone - Brewer's own narrowing of the question of
individual life -LRB-»... when does an embryo
change from being a bundle of undifferentiated
cells into a living human
individual?»)
They used this novel simulation approach to build a model of a sperm
cell that demonstrates cellular movement from
individual dynein protein molecules in the tail all the way up to the whole
cell, allowing them to observe how
changes at the atomic level are reflected in larger - scale structures.
«By surveying thousands of
individual cells, we were able to define the transcriptional landscape of lung - resident ILCs, observing
changes in discrete subpopulations,» said Kowalczyk.
Holdcroft believes that the
changes in the brain are more likely to be the result of
changes in the volume of
individual cells, rather than
changes in the number of
cells in the brain.
Stem
cells are immature blood
cells and, in theory, introducing the gene into them should produce a permanent
change in that
individual's maturing blood
cells.
Unlike germline mutations, the post-zygotic genetic
changes are only present in a proportion of the
cells of the
individual.
Building on this concept, Sushant Patkar of the University of Maryland and colleagues hypothesized that alterations in protein interaction networks in breast cancer
cells may
change the function of
individual genes.
In sickle
cell disease,
individuals have two copies of a genetic mutation that produces an abnormal
change in hemoglobin, the primary molecule that carries oxygen in the blood.
The specific
changes included a higher frequency of antibodies that attack one's own
cells, called autoantibodies; fewer immune regulatory T
cells, which were also less active in these
individuals; and a higher frequency of memory T follicular helper immune
cells.
«While several lipid families are well - characterized at the molecular level, the total diversity and number of unique lipids in
cells, how they
change during cellular activation, and how they differ in
individuals is unknown,» said Darley - Usmar.
The researchers showed that ABA concentration
changes and waves of ABA movement could be monitored in diverse tissues and
individual cells over time and in response to stress.
While for most
individuals, there will be no long - term consequences, in some the infection may leave genetic scars and
change the metabolism of these
cells,» explained Wulf.
Lead researcher Dr Gabriella Ficz from QMUL's Barts Cancer Institute said: «It's surprising that
cells from several healthy
individuals are so permissive to gaining this epigenetic
change and that one «hit» from an epigenetic editing tool is sufficient to set off this chain reaction of epigenetic inheritance and establish a cancer
cell - like gene expression signature.»
The research, using
cells from the Breast Cancer Now Tissue Bank and due to be published in Nature Communications, also shows that the epigenetic
changes are inherited as long as the
cell divides, and that the team's manipulations permanently and negatively affected the biology of a normal breast
cell from a healthy
individual.
The Tübingen group was making organotypic eye cultures and examining in vitro the
changes that occur in the
cells of living
individuals.
Dr Annecchino added: «Ultimately, the problems in Alzheimer's result from
changes in the information processing capability of networks of
individual brain
cells.
New information about how light energy is
changed into neural signals shows how an
individual photoreceptor
cell of the eye registers the absorption of a single photon, or quantum of light
Rather Duesberg has also developed a novel theory about the origins of cancer, one that supposes a derangement of the chromosomes, rather than of
individual genes, is the spark that ignites malignant
changes in
cells.
«In the future, we'll be able to study how this
changes as stem
cells differentiate and how decisions are made in
individual developing stem
cells.
Cells will be released to
individual investigators after the first media
change.
However, researchers have been skeptical of blood - based epigenetic studies for one main reason: While the genome is the same in any
cell from the same
individual, the epigenome necessarily
changes from tissue to tissue.
This collaboration led to the discovery of distinct behavioral
changes that occur in the motions of
individual proteins on the surface of
cells, thereby helping elucidate what it means for the pathway to be active or inactive.
They're working on engineering
individual cells that react to
changes in the environment and strengthen the soil around them, potentially making concrete - filled trenches unnecessary.
They also investigate how these interactions
change in melanocytes depending on a combination of factors, including an
individual's unique DNA sequence, DNA mutations that arise in a
cell over time or due to environmental exposure, and the signals that are present in a
cell's surrounding micro-environment.
We are developing methods to discover these
changes in
individuals, tumors, and even single
cells, to promote early detection and treatments
Researchers here are cataloguing what makes cancer
cells dangerous down at the level of
individual genetic
changes, how and why pathogens like malaria evolve to be more (or less) harmful and how humans adapt to those
changes.
These include: a) Global Clusters that consist of a small, tight subset of genes that are co-expressed under the entire spectrum of experimental conditions; b) Time Series of gene expression profiles during successive days of standard ES
cell differentiation; c) Specific Gene Classes based on hierarchical clustering of transcriptional factors and ESTs; d) Expression Waves of genes with characteristic expression profiles during ES
cell differentiation, juxtaposed to waves of genes that behave in the exact opposite way; e) Pathway Animations that illustrate dynamic
changes in the components of
individual KEGG signaling and metabolic pathways viewed in time - related manner; and, f) Search Engines to display the expression pattern of any transcript, or groups of transcripts, during the course of ES
cell differentiation, or to query the association of candidate genes with various FunGenES database clusters.
A new study details the minute
changes — down to the level of
individual atoms — that cause a particular protein to form
cell - damaging clumps associated with ALS and other diseases.
To examine the action of
individual pathways in toto during ES
cell differentiation, the FunGenES database was given an additional feature called «Pathway Animations» that depict dynamic
changes in specific genetic, signaling or metabolic pathways viewed in time - related animations based on the KEGG annotation [44], [56].
Our
cells in our bodies are constantly reproducing, nature is continually regenerating and growing, and as
individuals, life causes each of us to
change and evolve, providing our partners with more to discover and learn about us.
This therapy
changes the constitution of each
individual cell, stimulating excretion of waste products, and utilizing nutrients more efficiently and effectively.
The focus of the conference was connecting how epigenetics (cellular and physiological phenotypic trait variations that are caused by external or environmental factors that switch genes on and off and affect how
cells read genes instead of being caused by
changes in the DNA sequence — in other words nutrition and lifestyle choices) impact whether or not an
individual actually develops a specific health issue even though they have a SNP mutation.
Bioelectrical impedance vector analysis (BIVA) expresses tissue hydration status and body
cell mass solely while considering the impedance vector relative to a population of healthy
individuals (24); this was a valid method for detecting
changes in hydration (classified as under -, normal or overhydration) and body fluid volume
changes (25).
Unfortunately, aging
cells have a diminished ability to produce ATP due to
changes in mitochondrial structure and function — unless we intervene or support our cellular energy production.Research indicates that mitochondrial DNA mutations begin accumulating in
individuals starting in their mid-thirties which contributes to the decreased energy that so many people experience with increasing age.
We believe that this 10 - lipid phospholipid biomarker panel reflects the breakdown of neural
cell membranes in those
individuals destined to develop advanced moderate cognitive impairment or Alzheimer's disease and may mark the transition between preclinical states where synaptic dysfunction and early neurodegeneration give rise to subtle cognitive
changes.»
For example, Alberts and coworkers (1990) supplemented
individuals with 13.5 g / d of wheat - bran fiber (Dietary Fiber) for 8 weeks and analyzed rectal mucosa
cell biopsies for
changes in
cell proliferation.
The first are those
changes which supervene by reason of the conditions under which the embryonic or adult life of the
individual is developing, these being influences on the body or soma and not on the germ -
cells.
When lesions are multiple, they may be sufficiently characteristic to confirm the diagnosis; however, there are many simulants of warts, and a definitive diagnosis requires identification of the virus or its cytopathic effects on
individual cells — a
change known as koilocytic atypia or koilocytosis.
Like PCs and
cell phones, electric cars and photovoltaics in particular (because they are all about technology, not «resources», and because they are consumer technologies that can be adopted by
individuals) have the potential to cause disruptive radical
change in a short time.