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How cellular guardians of the intestine develop
Medical News Today
Even the most careful chosen meal can contain surprises. To defend against infectious microbes, viruses or other potential hazards that find their way to the intestines, a dedicated contingent of immune cells keeps watch within the thin layer of tissue that divides the contents of the gut from the body itself.
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Researchers learn how to rejuvenate aging immune cells
Biotechnology and Biological Sciences Research Council via ScienceDaily
Researchers have demonstrated how an interplay between nutrition, metabolism and immunity is involved in the process of aging. It has been suspected for a long time that these are linked, and this paper provides a prototype mechanism of how nutrient and senescence signals converge to regulate the function of T lymphocytes.
Stem cell therapies hold promise, but obstacles remain
University of Rochester Medical Center via Medical Xpress
In an article appearing online in the journal Science, a group of researchers, including University of Rochester neurologist Dr. Steve Goldman, Ph.D., reviewed the potential and challenges facing the scientific community as therapies involving stem cells move closer to reality. The review article focuses on pluripotent stem cells, which are stem cells that can give rise to all cell types.
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Earn ASCP MLS Certification through our BSHS or Post-Baccalaureate Certificate in MLS
New MSHS programs for 2014: MLS, Translational Microbiology, Molecular Diagnostic Sciences
Visit http://smhs.gwu.edu/crl/programs/mls for more information
or contact the MLS program at studymls@gwu.edu or 202-994-7732.
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Poll: Many in US lack knowledge about Ebola and its transmission
Harvard School of Public Health via Infection Control Today
Although the Centers for Disease and Prevention reports no known cases of Ebola transmission in the United States, a Harvard School of Public Health poll shows that 4 in 10 adults in the U.S. are concerned that there will be a large outbreak in the U.S., and a quarter are concerned that they or someone in their immediate family may get sick with Ebola over the next year.
The nationally representative poll of 1,025 adults was conducted Aug. 13-17.
New method shows how bacteria become dangerous pathogens
Medical News Today
Two new papers reveal how bacteria can become dangerous pathogens through completely different routes. One paper shows how a bacterium responsible for serious infection in newborns gained an advantage because it acquired resistance to an antibiotic, and the other paper shows it is likely that changes in the environment helped a typhoid-causing bacterium to gain a foothold in human populations.
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MRSA superbug control policies in hospitals lack evidence
The Lancet via News-Medical.Net
The jury is still out on the effectiveness of meticillin-resistant Staphylococcus aureus superbug control policies in hospitals, according to leading infectious disease experts in a viewpoint published in The Lancet. In particular, screening and isolating infected patients — which have long been regarded as the gold standard MRSA prevention strategy and are required by law in some countries — have poor evidence for their effectiveness, say the authors.
Missed last week's issue? See which articles your colleagues read most.
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Mutated polio virus breaches vaccine protection
University of Bonn via Science 2.0
Thanks to effective vaccination, polio is nearly eradicated, and only a few hundred people are stricken worldwide each year.
But researchers have reported alarming findings: A mutated virus was able to resist the vaccine protection to a considerable extent in the Congo in 2010. The pathogen could also potentially have infected many people in Germany.
Scientists discover that drug used for DNA repair defects could treat leukemia and other cancers more effectively
HealthCanal
A team of scientists led by research associate professor Motomi Osato and professor Yoshiaki Ito from the Cancer Science Institute of Singapore at the National University of Singapore found that a drug originally designed for killing a limited type of cancer cells with DNA repair defects could potentially be used to treat leukemia and other cancers. The new study suggests that treatment with poly polymerase inhibitors, together with standard chemotherapy drugs, could be more effective in combating leukemia.
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How cellular guardians of the intestine develop
Medical News Today
Even the most careful chosen meal can contain surprises. To defend against infectious microbes, viruses or other potential hazards that find their way to the intestines, a dedicated contingent of immune cells keeps watch within the thin layer of tissue that divides the contents of the gut from the body itself.
|
|
New insights into the survival and transmission strategy of malaria parasites
Swiss Tropical and Public Health Institute via Infection Control Today
HP1 proteins are found in most eukaryotic organisms and are important regulators of gene silencing. In short, HP1 induces heritable condensation of chromosomal regions. As a result, genes located within these regions are not expressed. Importantly, since this conformation is reversible, HP1-controlled genes can become activated without requiring changes in the underlying DNA sequence.
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CDC raises Ebola outbreak response to highest alert status
HealthDay News
The Centers for Disease Control and Prevention raised the level of its response to the West African Ebola outbreak to its highest alert status.
The move allows the agency to expand its role in fighting the growing public health crisis, which gained new urgency as cases of the deadly infection began to be reported in populous Nigeria.
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Laboratory cells help grow fully functioning thymus in mice
Science World Report
A research team from the MRC Centre for Regenerative Medicine at the University of Edinburgh has successfully grown a fully functional organ from transplanted laboratory-created cells found in a living animal.
Researchers hope that with further research, this discovery could lead to new treatments for individuals suffering from weakened immune systems seen in many with thymus disorders.
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