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Science News Archive September 2016 - Page 11


Page 11 of 12

Bacterial membrane vesicles can cause preterm birth

Research reveals GBS produces membrane-bound vesicles containing toxins and immune-modulators that can attack the host, leading to inflammation of membranes surrounding the fetus. The study shows that these vesicles can induce preterm birth and fetal injury in mice, with approximately 60% of fetuses born prematurely.

SourcePLOS·JournalPLOS Pathogens·DateSep 1, 2016

Study finds heart infections increasing among younger injection drug users

A new study published in Open Forum Infectious Diseases found an increasing proportion of hospitalizations for infective endocarditis linked to injection drug use among younger patients, including more white and female individuals. The study suggests a growing need for programs and services to prevent these deadly and costly infections.

SourceInfectious Diseases Society of America·JournalOpen Forum Infectious Diseases·DateSep 1, 2016

Location, location, location: Cellular hotspots for tumors and regeneration

Two studies reveal unique properties of cells in Drosophila larvae that exhibit resistance to cell death and participate in tissue regeneration. Cells from specific 'tumor hotspots' express conserved signaling pathways necessary for tumor formation, while deregulation of these pathways is implicated in human cancer therapy resistance.

SourcePLOS·JournalPLOS Biology·DateSep 1, 2016

Parental psychiatric disease linked with elevated risks of attempted suicide and violent offending during adulthood

A strong correlation has been found between parental psychiatric disorder and the increased risk of suicide attempts and violent behavior in their children. The study, published in JAMA Psychiatry, reveals that risks for offspring suicide attempt and violent offending were raised across almost all parental psychiatric disorders.

SourceUniversity of Manchester·JournalJAMA Psychiatry·DateSep 1, 2016

'Tug of war' keeps scientists working on storm tracks

Storm tracks are crucial for weather and climate in middle-latitude regions like Chicago and New York. Climate change alters the position of these tracks, with clouds playing a key role in this shift. Researchers highlight the need to expand observational efforts and improve computer simulations to better understand storm track changes.

SourceUniversity of Chicago·JournalNature Geoscience·DateSep 1, 2016

When silencing phantom noises is a matter of science

Scientists have identified the GLAST gene as a potential protector against tinnitus, a condition characterized by ringing in the ears. The study found that mice with normal GLAST function were less prone to developing tinnitus when exposed to toxic substances.

SourceFrontiers·JournalFrontiers in Behavioral Neuroscience·DateSep 1, 2016

Longer survival of advanced cancer patients given methylnaltrexone for constipation suggests role for mu opiate receptor in cancer progression

A study suggests that methylnaltrexone can improve the survival of advanced cancer patients with constipation, indicating a potential target for cancer therapy. The drug works by blocking opioid receptors in the gut, reversing constipation without affecting pain relief.

Physician experts highlight research ahead of Otolaryngology's annual meeting

Researchers present cutting-edge studies on healthcare economics, sleep apnea, and 3-D printed tissue engineering, showcasing potential breakthroughs for obstructive sleep apnea and head and neck cancer treatments. The findings have significant implications for the future of otolaryngology.

SourceAmerican Academy of Otolaryngology - Head and Neck Surgery·JournalJAMA Otolaryngology–Head & Neck Surgery·DateSep 1, 2016

Why pneumococci affect primarily humans

Researchers from Karolinska Institutet discovered that pneumococcal bacteria use a human-specific sugar molecule to enhance growth and resistance. This finding sheds light on why pneumococci cause more severe infections in humans than other animals, and could lead to the development of more effective vaccines.

SourceKarolinska Institutet·JournalCell Host & Microbe·DateSep 1, 2016

Tight DNA packaging protects against 'jumping genes,' potential cellular destruction

Researchers at UNC School of Medicine discovered that tight DNA packaging in chromosomes mainly guards against virus-like genetic elements known as transposons or 'jumping genes,' which can copy and paste themselves throughout the genome, potentially destroying important genes. The discovery clarifies the role of heterochromatin and ad...

SourceUniversity of North Carolina Health Care·JournalGenes & Development·DateSep 1, 2016

Drugs in the water? Don't blame the students

A new study by University of Vermont scientists contradicts the long-held belief that students flushing unused medications down the drain contribute significantly to pharmaceutical pollution. Instead, research found that excretion and other sources, like pharmaceutical manufacturing, are much more important contributors to wastewater.

SourceUniversity of Vermont·JournalThe Science of The Total Environment·DateSep 1, 2016

Researchers find gene mutations lead to more aggressive colon cancer in African-Americans

Researchers discovered 15 gene mutations that contribute to more aggressive colon cancer in African-Americans, resulting in higher recurrence and metastasis rates. These findings explain the disparity in colorectal cancer rates and death rates between African-Americans and other groups.

SourceUniversity Hospitals Cleveland Medical Center·JournalJNCI Journal of the National Cancer Institute·DateSep 1, 2016