This feeding cycle stimulates the production
of cellular factors such as Cyclic AMP or GMP, which stimulate hormone synthesis and fat burning during the day, as well as protein synthesis and growth during the night, respectively.
Not exact matches
The ability
of biology to detail the organisation and constitution
of life - forms, not just on a
cellular level, but now also on a genetic and molecular level, and its description
of how such
factors canaffect the global behaviour
of an organism, should be taken into account in the theological and philosophical discussion
of free will, individual identity / personality, conscience, the soul, and other areas concerning human behaviour, especially in regard to morality.
Experiments proved that Heat Shock
Factor 1 (HSF1), a sort
of protective switch against some types
of cellular stress, could bind to the TTR gene's promoter (a segment
of DNA near the TTR gene).
It offers a broad collection
of nutrients that revitalize the human body on a
cellular level, including vitamins, minerals, amino acids, enzymes, growth
factors and other phytonutrients.
Clinically important findings suggest that targeting the epidermal growth
factor receptor (EGFR) and the fibroblast growth
factor receptor (FGFR)
cellular pathways may benefit thousands
of patients with this disease, according to the study published today in the journal PLOS Genetics.
«But we know that the expression
of these
factors is inducing changes in the epigenome, and those are leading to benefits at the
cellular and organismal level.»
These long - lived worms had mutations that decreased the production
of a protein known as insulinlike growth
factor 1 (IGF - 1), which helps drive
cellular growth and division.
«A general message from these studies is that cancer cells benefit from modulating epigenetic
factors like SIRT6 by acquiring the ability to override normal
cellular growth control patterns,» says Mostoslavsky, an associate professor
of Medicine at Harvard Medical School and an associate member at the Broad Institute.
After grounding himself in math, molecular and
cellular genetics, and immunology, he embarked on a 1 - year master's project at the University
of the Mediterranean (which has now gone through a merger to become Aix - Marseille University), characterizing the genetic
factors associated with malaria resistance under the supervision
of Pascal Rihet.
Other
factors have no significant influence — even with new low - molecular weight HES solutions,
cellular - level toxic effects appear just as likely, once the total mass
of HES molecules is taken into account.
«This is the first time we are able to robustly follow the Ebola fusion initiation in real time, and it will allow us to look at even more aspects
of the process and
cellular factors involved in the future,» says Spence.
Although the genetic studies indicated that the female offspring were the result
of parthenogenesis, researchers have yet to untangle the
cellular factors that explain how and why this happened.
That is when studies finally convinced scientists that the minuscule RNA snippets they had taken to calling «microRNA» were regulating
cellular and genetic processes throughout the human body and were critical
factors in the determination
of health and disease.
A previous study by Segev at the laboratory for research
of molecular and
cellular mechanisms, directed by Prof. Kobi Rosenblum in the Sagol Department
of Neurobiology at the University
of Haifa, found a connection between a genetic condition known to be a risk
factor for sporadic Alzheimer's and premature aging as manifested in ongoing metabolic stress.
«The mineral zinc acts as a catalytic, structural and signaling
factor in the regulation
of a diverse array
of cellular pathways involving hundreds
of enzymes and proteins,» he said.
The structure
of synaptophysin suggests that the protein may function as a channel in the synaptic vesicle membrane, with the carboxyl terminus serving as a binding site for
cellular factors.
Duke scientists grew two sets
of cellular «miniguts» on culture dishes and stimulated them with inflammatory
factors.
This
factor is required for Tat trans - activation and is a substrate
of an associated
cellular kinase.
The research highlights the importance
of investigating different cell types in normal human tissues to understand the
cellular origin
of cancer and the
factors that may contribute to its development.
«In this study, we identified a novel regulatory
factor for the Golgi - ER retrograde transport and a new mechanistic connection between the physiological trafficking and the autophagic transportation
of cellular material.»
Environmental
factors interact with the different subgenomes to modify the transcription
of their component genes and to modulate the translation
of protein products and their posttranslational modification, yielding changes in protein and
cellular function and metabolism, and defining an intermediate phenotype.
Noise may disrupt the body on the
cellular level in a way that increases the risk
of common heart disease risk
factors, according to a review topic published today in the Journal
of the American College
of Cardiology that examined the underlying mechanisms that may lead to noise - induced heart disease.
To coordinate their size and growth with current environmental conditions, cells rely on the mechanistic target
of rapamycin complex 1 (mTORC1) pathway, which senses
cellular stresses, growth
factors, and the availability
of nutrients, such as amino acids and glucose.
We discovered that 2 hours cyclic stretching increased the phosphorylation
of moesin, elongation
factor eEF1D and leprecan, while the phosphorylation
of elongation
factor eEF1B decreased after
cellular stretching.
Once the bacterial cell signaling protein cagA reaches the host cytosol, it is capable
of altering subsequent generations
of progenitor cells, leading to the development
of cancer through changes in mitotic activity, apoptosis,
cellular assembly, and signaling.26 Although it should be noted that while the presence
of the cagA protein doubles the risk
of gastric cancer, cagA - negative strands also increase the risk
of distal gastric cancer.27 Additional H pylori virulence
factors include babA2, which encodes bacterial adhesion with gastric epithelial cells, and vacuolating cytotoxin A, which is encoded by the gene vacA.28, 29 H pylori strains carrying some combination
of the babA2, cagA, and vacA genes were associated with the highest risk
of developing intestinal metaplasia.
For example,
cellular reprogramming is an inefficient process because many
of the target areas on the genome are covered by other proteins, like a childproof cap on a medicine bottle, which prevents the reprogramming
factors from binding there.
The aims
of the CEMC are to define the step-wise molecular and
cellular alterations that occur during the process
of carcinogenesis; determine how environmental exposures cause key genetic mutations and epigenetic changes that underlie carcinogenesis; and discover the impact
of environmental
factors on the generation and maintenance
of cancer stem cells.
Telomeres have recently emerged as a read - out
of human
cellular aging and their shortening actually contributes, along with other
factors, to various common age - associated diseases.
This work aims to investigate, mechanistically, the molecular processes related to dysregulation
of factors that normally protect the eye against oxidative stress, thus impairing RPE and photoreceptor
cellular metabolism and their survival in AMD.
The
cellular transcription
factor NF - kB consists
of two DNA - binding subunits
of 50K and 65K and is believed to play an important role in stimulating transcriptional activation
of HIV - 1 in latently infected T - cells
Identification
of human T cell leukemia virus type 1 tax amino acid signals and
cellular factors involved in secretion
of the viral oncoprotein.
Perhaps a universal role for localized BR biosynthesis adjacent to boundaries
of developing organs is to fine - tune
cellular growth response in coordination with other cell - specific growth promoting or repressing
factors.
Basically what was happening when you use a hematopoietic stem cell to correct an inherited metabolic disease is that through engraftment
of that cell you are allowing that cell to become the replacement source for the missing enzyme or other
factor - almost like a
cellular form
of gene therapy or, as I call it, «poor man's gene therapy».
LAMP2A: The A variant
of lysosome - associated membrane protein 2 is a receptor involved in the
cellular maintenance processes
of autophagy, but levels decrease with age, and in at least some species this appears to be one
of the
factors involved in the age - related decline
of autophagy.
Activated ERK1 / 2 modulates the functions
of several transcription
factors, protein kinases, protein phosphatases, cytoskeletal proteins, signaling molecules, apoptosis - related proteins, as well as other types
of proteins [32], while activated AKT modulates the function
of numerous substrates involved in the regulation
of cell survival, cell cycle progression and
cellular growth [33, 34], whereas JNK acts as pro-apoptotic as well as anti-apoptotic depending on the conditions [35].
Moreover, some scientists suggest, that the damage
of the DNA and the corresponding with it «wrong proteins» is a main
factor for the accumulation
of «all the
cellular gunk», and they suppose, that even after the removal
of the «gunc», it will accumulate again if the DNA remains damaged.
Apart from the various biomedical applications
of nanomaterials, especially in cancer therapy,
cellular uptake
of nanoparticles is a key
factor in recent years for efficient drug delivery applications.
Tissues and cells are constantly bombarded by a complex array
of environmental
factors that can have deleterious effects on many critical
cellular functions.
(9) Indeed, the degenerative aging process is by definition one in which the organism progressively accumulates damage to its
cellular and molecular components over time, so any genetic or environmental
factor that leads to a greater burden
of such damage will bear some resemblance to the aging phenotype, irrespective
of the causal origin
of the defect or its relationship to «normal» aging.
Kontoyiannis D., Boulougouris G., Manoloukos M., Armaka M., Apostolaki M., Pizarro T., Kotlyarov A., Forster I., Flavell R., Gaestel M., Tsichlis P., Cominelli F., Kollias G., 2002, «Genetic dissection
of the
cellular pathways and signaling mechanisms in modeled tumor necrosis
factor - induced Crohn's - like inflammatory bowel disease», JEM, 196, 1563 - 74.
«We found that, for women with no affected lymph nodes, E-cadherin is the strongest prognostic
factor for a poor long - term outcome,» said first author Ruth Heimann, MD, PhD, assistant professor
of radiation and
cellular oncology at the University
of Chicago.
«This, in turn, activates another group
of proteins, called ETS transcription
factors, and it is this signaling relay — from Vegf to MAPKs to ETS
factors — that turns on an maintains Dll4 activity, helping the arterial cells grow and gain their
cellular identity over time.»
In eukaryotes, a homeobox encodes a protein domain (the homeodomain) which can bind DNA that act as part
of transcription
factors to switch on cascades
of other genes that induce
cellular differentiation by initiating the cascades
of coregulated genes required to make individual tissues, organs, or body parts.
Long associated with enabling the proliferation
of cancer cells, the ancient
cellular survival response regulated by Heat - Shock
Factor 1 (HSF1) can also turn neighboring cells in their environment into co-conspirators that support malignant progression and metastasis.
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Factor: 16.747 Issues Per Year: 12 issues per year Aims and Scope: Cell Metabolism publishes reports
of novel results in metabolic biology, from molecular and
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The amyloidolytic response was associated with a pronounced infiltration
of the amyloidoma with neutrophils and putatively involved opsonization
of fibrils by the antibody, leading to
cellular activation and release
of proteolytic
factors.
One hypothesis is that complement
factor H, part
of the immune system, may help clear
cellular debris from the back
of the eye.
Since it is still beyond the reach
of even the most sophisticated in vitro methodology to simulate the complex interplay
of physical,
cellular, biochemical, and other
factors that influence cell behavior in microvessels and interstitial tissues, we make use
of intravital microscopy.
Whitehead Institute scientists report that patients whose estrogen receptor (ER)- positive breast cancers have high levels
of an ancient
cellular survival
factor experience poor outcomes — including increased mortality.
The timing
of the reprogramming and the
factors required seem to vary depending on
cellular context [12]--[17].