According to Steffen, there are two approaches to
modelling human effects on climate — either include anthropogenic factors such as greenhouse gases, aerosols and land use in conventional climate models, or use an economics approach.
Not exact matches
But the
effect upon
human community is much the same in either case, Myths,
Models and Paradigms (New York: Harper & Row, 1974).
One of the most useful
models for evaluating the personal
effects of religious television programs is found in Television and
Human Behavior by George Comstock and his associates.
Using a «gnotobiotic mouse
model» — where mice were «colonized with a synthetic
human gut microbiota composed of fully sequenced commensal bacteria» — Desai et al reported on the
effects of different diets with different fibre content.
«Future studies need to determine the health
effects of these cocoas in
models of
human disease and to evaluate the consumer acceptability of the cocoas as part of a chocolate product.»
When categories of
human milk were entered into the logistic regression
models, a dose - response
effect was not observed.
For example, the
effect of early milking frequency on «programming» milk production capacity has been explored in bovine
models [30], [40]--[42], but no
human studies have been conducted, most notably due to the previous need for mammary biopsies.
Impact
models attempt to translate changes in natural systems into
effects on agriculture, weather and
human health
To demonstrate the
effects of bullying, the researchers used an animal
model simulating the physical and emotional stressors involved in
human bullying — chronic social defeat stress.
Zebrafish are commonly used to
model human diseases, in part because their larvae are transparent, making it easy to see the
effects of genetic mutations or drugs.
The
model calculations, which are based on data from the CLOUD experiment, reveal that the cooling
effects of clouds are 27 percent less than in climate simulations without this
effect as a result of additional particles caused by
human activity: Instead of a radiative
effect of -0.82 W / m2 the outcome is only -0.60 W / m2.
Climate
models show that the additional particles caused by
human activity produce a cooling
effect which partially offsets the greenhouse
effect.
The researchers observed the
effect of the synthetically produced molecule, JK - 31, on the growth and proliferation of a
model human breast cancer cell line and found that it effectively blocked the protein cyclin - dependent kinase 1 (CDK1), which plays a key part in the process of the division of cancer cells, and therefore inhibited the proliferation of the cells.
«Whether an insulating
effect of obesity exists is of significance both for
humans and for animal
models of obesity,» the research team wrote.
The team will continue their tests using an artificial
human arm to
model the physical
effects of far more severe collisions.
Crawford - Brown worked for a while on
models of the
effects of radiation and chemical exposure on
human health, then wandered into decision analysis by the back door when the Environmental Protection Agency (EPA) started to use some of his scientific
models.
Exploiting the same pre-clinical
model used for their studies, the researchers are testing the efficacy of this kind of drug candidates against cancer stem cells, and the possibility of identifying combination regimens with standard chemotherapies with minimized toxic
effects, with the perspective of their possible application for the treatment of
human breast cancer.
Dr. Wang plans to continue studying the
effects of TNF and IL - 17 on melanocytes, and would like to expand the research to 3D skin
models — fabricated samples of tissue in vitro that behave like
human skin — that would give a better visual of how the melanin production process is being disrupted by these two cytokines during skin inflammation or wound healing.
«Studying these
effects in
model systems such as rats and flies allows us to address these questions by manipulating the likely mechanisms involved, which we can't do in
humans.»
With CiPA,
human iPSC - cardiomyocytes are employed to assess drug
effects on the cardiac action potential to confirm the outcome of in silico
modeling efforts, relying on hiPSC - cardiomyocytes to provide the integrated drug response from multiple native
human currents in a
human - derived cellular preparation.
The researchers used mouse
models that mimic the disease characteristics of pulmonary hypertension and pulmonary fibrosis in
humans to study the
effect of triciribine, which inhibits production of a protein called Akt1.
When RNAi therapies weren't delivered to the right tissues, dangerous side
effects showed up in
humans that weren't predicted through animal
models.
«By prescribing the
effects of
human - made climate change and observed global ocean temperatures, our
model can reproduce the observed shifts in weather patterns and wildfire occurrences.»
But a new
model indicates that Toba's climate
effects were milder and abated quickly, suggesting that
humans may have made it through the incident relatively unscathed.
Titled «
Modeling Sustainability: Population, Inequality, Consumption, and Bidirectional Coupling of the Earth and
Human Systems,» the paper describes how the rapid growth in resource use, land - use change, emissions, and pollution has made humanity the dominant driver of change in most of the Earth's natural systems, and how these changes, in turn, have critical feedback effects on humans with costly and serious consequences, including on human health and well - being, economic growth and development, and even human migration and societal conf
Human Systems,» the paper describes how the rapid growth in resource use, land - use change, emissions, and pollution has made humanity the dominant driver of change in most of the Earth's natural systems, and how these changes, in turn, have critical feedback
effects on
humans with costly and serious consequences, including on
human health and well - being, economic growth and development, and even human migration and societal conf
human health and well - being, economic growth and development, and even
human migration and societal conf
human migration and societal conflict.
His symptoms may come closer to mimicking the
human disease than most mouse
models of mental illness, because the gene involved has such a powerful
effect.
And while we successfully demonstrated that cardiolipin can improve the function of mitochondria in flies, mouse
models and in
human cells, we need to explore its
effects in actual patients.»
Given that the investigators have previously shown the influence of the host molecular clock on the gut microbiota, they will also ask if taking this NSAID at different times of day might lead to higher efficacy and less side
effects in animal
models and eventually in
humans.
«A simulation
model to find out the
effect of electromagnetic waves on the
human body is developed.»
To determine the
effect of gastric acid suppression on the progression of chronic liver disease, Schnabl's team looked at mouse
models that mimic alcoholic liver disease, NAFLD and NASH in
humans.
«If the mouse
models are indicative of
human disease, the combination therapy can increase the proportion of patients who respond to therapy without additional adverse side
effects and can improve the quality of life for cancer patients.»
Laboratory mouse
models are commonly used to study A-T; however, mice with A-T do not experience the more debilitating
effects that
humans do.
«If scientists want to test drugs for dementia, Alzheimer's or autism, ideal
models would react similarly to
humans in regards to the reduction of symptoms, outbreak of side
effects, such as enduring the same lesions as
humans do, or exhibiting similar behavioral characteristics,» said Latham, who's with the College of Agriculture and Natural Resources and an MSU AgBioResearch scientist.
The researchers suggest that
modeling the
effects of future climate variations should focus on
human response to transient short - term changes in addition to the traditional focus on long - term mean changes in climate.
Classic theory, involving a one - sex (female)
model of
human demography, suggests that genes imparting deleterious
effects on post-reproductive survival will accumulate.
«The development of this microfluidic lung
model, as well as other organs - on - chip, holds the promise of improving the physiological relevance of cellular
models for more accurate prediction of the
effects of toxicants and drugs on
humans, and for reducing the use of animals in medical and pharmaceutical research,» said Sonia Grego, Ph.D., research scientist at RTI and the project's principal investigator.
Researchers developed a computer
model of a
human heart to study whether certain drugs will help treat an abnormal heartbeat, or cause serious side
effects
The same
effect was seen in a mouse
model of
human brain cancer containing this gene fusion.
Dr. Sladek: We need more research on the health
effects of soybean oil, both in mouse
models that have the advantage of being able to rigorously control for all the various parameters, as well as in
humans.
Human iPSC
models of neuronal ceroid lipofuscinosis capture distinct
effects of TPP1 and CLN3 mutations on the endocytic pathway.
The paper itself is very statistical in nature, with various «selection
models» applied to determine the demographic and selective
effects on amino acid variation in the
human genome.
Axel Timmermann and Tobias Friedrich constructed a numerical
model that quantifies the
effects of past climate and sea - level change on global
human migration patterns over the past 125,000 years.
The HZI will also not only perform experiments to compare the predictive immunogenicity and efficacy of vaccines between different
model species and
humans but will test comparative
effects of adjuvants.
According to one study that looked at eight fuel aridity metrics in the Western U.S. and
modeled climate change's
effects on them,
human - caused climate change accounted for about 55 percent of the observed increases in fuel aridity between 1979 and 2015 (Figure 6), and added an estimated 4.2 million hectares of forest fire area between 1984 and 2015.7 Based on all eight metrics, the Western U.S. experienced an average of 9 additional days per year of high fire potential due to climate change between 2000 and 2015, a 50 percent increase from the baseline of 17 days per year when looking back to 1979.
Research Project Grant (R01) applications proposing to conduct mechanistic studies in
humans and animal
models on alcohol - induced transgenerational
effects and the role of epigenetic inheritance in these
effects.
Dr. Parsons has provided similar insights into the mechanisms through which endocannabinoids modulate the rewarding
effects of opiates, alcohol, and cocaine, and he is presently extending his evaluations of this stage of the addiction cycle to include animal
models of commonly occurring genetic polymorphisms that are associated with problematic drug use and dependence in
humans.
Consequently, in the past 20 years his research has evolved from an early focus on prioritizing the
effects that
humans have on coral reefs and the role that marine protected areas play in conserving biological diversity and ecological processes, to developing theoretical and simulation
models of coral reefs that will help predict and suggest alternatives to reduce detrimental
effects, to developing practical means to restore degraded reefs through manipulation of the food web and management.
Investigating the
effects of preinduction on
human adipose - derived precursor cells in an athymic rat
model.
While the findings have only been seen in animals
models so far, Zeng said that successful translation of the regimen into clinical application in
humans may represent a novel approach that allows strong anti-cancer
effects without causing GVHD.
Abstract:
Models investigating the
effects of climate change and
human - led land - use change on biodiversity have arrived at alarming conclusions, with the worst case scenarios suggesting extinction rates at such a level as to constitute a sixth mass extinction event in the earth's history.