Not exact matches
Available epidemiologic
studies in
humans have «not shown clear evidence of a relationship between
cell phone use and cancer,» according to the National Cancer Institute, although this remains a topic of debate among researchers.
«If you're vulnerable and isolated, the more important that
cell phone becomes for you,» says Mark Latonero, a fellow at the Data & Society Research Institute in New York, who has
studied technology and
human trafficking.
«We suspected that the young are most vulnerable because of their immature immune systems, but we didn't have a lot of hard evidence to show that before,» said
study lead author Bo Hang, a Berkeley Lab staff scientist who previously found that thirdhand smoke could lead to genetic mutations in
human cells.
Thirty years ago he engineered a bacterial strain to produce an HIV enzyme so he could
study how it enables HIV to infect
human cells.
The objects of his
study range from a class of molecules that have the basic self - duplicating property of living things, through
cells which suggest purely physical systems, through animals which give increasing evidence of having minds, to
human beings in whom streams of consciousness seem to involve continual choices of action, at the opposite pole from control by impersonal laws of nature.
High dosages of reb A fed to rats reduced sperm production and increased
cell proliferation in their testicles; however, another
study using rats and
humans demonstrated lack of reproductive toxicity.
«Animal
studies and in - vitro
studies with
human cells have repeatedly shown that food - grade carrageenan causes gastrointestinal inflammation and higher rates of intestinal lesions, ulcerations, and even malignant tumors.»
A 2012
study found that consuming maltodextrin increased bacterial adhesion to
human intestinal epithelial
cells and enhanced E. coli adhesion, which is associated with autoimmune disorders and dybiosis in your gut.
There have been lots of
cell and animal research, which prove that turmeric has a good influence on a number of illnesses and also several
human studies have shown positive results as well.
The
study could provide useful information on how immune
cells could respond to allergens to prevent allergic symptoms in
humans.
Studies from our group have demonstrated that TGF - β can attenuate the inflammatory response in fetal
human enterocyte
cell lines (13), a platform that recapitulates the infant gut response in vitro.
While our work has used mouse models because we can
study the process in detail this way, we do know that milk
cells cross into
human babies as well.»
But the new
study, in
Cell Stem
Cell, injected
human cells into newborn mice, not embryos.
This
study built on previous research from the Sundrud lab, which showed that when TH17
cells entered the intestine in
human tissue samples, they increased the expression of a gene called MDR1.
In addition to shedding light on how abnormal glia can cause schizophrenia, the
study underlined how readily mouse brains accept
human cells.
To create the effect of tobacco smoke on
cells, Vaz, Baylin and their colleagues began their
studies with
human bronchial
cells, which line the airways of the lungs, and grew them in a laboratory.
«To our knowledge, we are the only research group to use sequential
human biopsies to
study CD8 + T
cell function in situ, in their natural spatial distribution and at their original physiological state,» she said.
By
studying human cancer
cells and animal models of cancer in the lab, our researchers have shown that loss of PTEN leads to high levels of PI (3,4) P2, which could result in hyperactivation of AKT.
Sharon joined Anglister's lab for her master's project and Ph.D.,
studying the three - dimensional structure of a region in the HIV - 1 protein envelope that helps the virus enter
human cells.
WASHINGTON — Tiny orbs of brain
cells swirling in lab dishes may offer scientists a better way to
study the complexities of the
human brain.
Researchers there are examining the role of other signaling factory beyond BMP as well as conducting further
studies using
human cells and
human scar tissue.
«Our research is the first to
study Zika infection in a mouse model that transmits the virus in a way similar to
humans,» explains Alysson R. Muotri, Ph.D., professor and director of the Stem
Cell Program at UC San Diego and co-senior author of the
study.
In the
study, the researchers loaded a hydrogel — a half - inch disc made of a biodegradable sugar naturally found in the
human body — with drugs that activate dendritic
cells.
The
study provides a new understanding of how, billions of years ago, the complex
cell types that comprise plants, fungi, but also animals and
humans, evolved from simple microbes.
Working with
human breast tissue, the new
study's authors attempted to induce EMT in normal
cells; they figured they would just get fibroblasts, a type of connective tissue that is important in wound healing.
The team has already successfully repopulated pig kidneys with
human cells, but Ott says further
studies are vital to guarantee that the pig components of the organ do not cause rejection when transplanted into
humans.
The
study results were found using mouse embryonic stem
cells, which are good
cell models for the
study of processes seen in
human stem
cells.
A 2005
study in Environmental Science and Technology showed that zinc oxide particles were toxic to
human lung
cells.
«I think this is the best option we have ever had,» says Renee Reijo Pera, director of Stanford University's Center for
Human Embryonic Stem
Cell Research and Education in California, who wasn't involved in the
study.
RNAScope ISH was developed by Advanced
Cell Diagnostics (ACD) Inc., initially for
studies of gene expression in animal (and especially
human) tissues.
«Cultural revolution in the
study of the gut microbiome:
Human gut - on - a-chip technology used to co-culture gut microbiome, human intestinal cells could lead to new therapies for inflammatory bowel diseases.&r
Human gut - on - a-chip technology used to co-culture gut microbiome,
human intestinal cells could lead to new therapies for inflammatory bowel diseases.&r
human intestinal
cells could lead to new therapies for inflammatory bowel diseases.»
Dr Tomi Pastinen, senior author on the second
study, from McGill University said: «We have created an expansive, high - resolution atlas of variations that deepens our understanding of the interplay between the genetic and epigenetic machinery that drives the three primary
cells of the
human immune system.
Some scientists
study cells, called primary
human trophoblasts, that are isolated from placentas obtained after childbirth, but such
cells do not divide, can be more difficult to obtain, and are more difficult to genetically manipulate to learn about biochemical pathways that have a role in placental function, Dr. Coyne said.
A
study published last March shows that avian flu strains can infect
cells lining the
human respiratory system, but they seem to have difficulty replicating.
A
study published by
Cell Press October 16th in
Cell now reveals that gut microbes in mice and
humans have circadian rhythms that are controlled by the biological clock of the host in which they reside.
«Before this
study, it was not known if it is possible to produce sufficient numbers of these
cells and successfully use them to remuscularize damaged hearts in a large animal whose heart size and physiology is similar to that of the
human heart,» said Dr. Charles Murry, UW professor of pathology and bioengineering, who led the research team that conducted the experiment.
Some of the researchers at the centre will
study the differentiation of stem
cells into other
cell types, one group by using
human embryonic stem
cell biology and another by
studying early embryo development.
Adding stem
cells from
human bone marrow to a broken diabetic bone enhances the repair process, increasing the strength of the newly formed bone, according to a laboratory - based
study presented at the European Congress of Endocrinology in Dublin.
For example, animal
studies have shown that neurons derived in the lab from
human embryonic stem
cells improve Parkinson's symptoms; however, any residual stem
cells associated with those neurons could form masses of unwanted
cells.
The researchers added
human bone marrow stem
cells from a non-diabetic donor to a bone fracture in laboratory pre-clinical
studies.
85 Billion Estimated number of
cells in the
human brain that are not neurons, according to a 2009
study by Brazilian neuroscientists.
It works in
cell studies and in mouse
studies, but so far has proved frustratingly ineffective in
human patients.
In a separate but related
study, scientists this week also announced that they successfully reversed Parkinson - like symptoms in several monkeys by transplanting
human neural stem
cells into their brains.
This proof - of - principle
study shows «for the first time... that
human iPS
cells can be used to model a diverse range of inherited diseases in adult
cells,» the authors wrote in their paper, published online in The Journal of Clinical Investigation August 25.
If norovirus also targets tuft
cells in
humans, «maybe that's the
cell type we need to be treating,» says
study coauthor Craig Wilen, a physician scientist at the Washington University School of Medicine in St. Louis.
Published in Molecular Neurobiology, the
study led by Dr Elodie Siney under the supervision of Dr Sandrine Willaime - Morawek, Lecturer in Stem
Cells and Brain Repair at the University, analysed how enzymes called ADAMs affect the movement and function of the human tumor c
Cells and Brain Repair at the University, analysed how enzymes called ADAMs affect the movement and function of the
human tumor
cellscells.
In their latest
study, they tested compounds against
cells from nine different types of
human cancer, including common types affecting blood, colon, breast, prostate, ovaries, kidneys, and lungs.
Another problem is that in its July 2009 Guidelines on
Human Stem
Cell Research, NIH spelled out specific requirements about embryo donation for newly derived lines, says Pilar Ossorio, a legal scholar who
studies research ethics at the University of Wisconsin Law School.
Bloch's colleagues at the National Institute of Environmental Health Sciences tested the oils in gene expression
studies on lab - grown
human breast cancer
cells and found that they could mimic estrogens, the primary female sex hormones, and inhibit androgens, the primary male sex hormones.
The
study involved laboratory
cell lines of
human leukemia and mouse models of the disease.