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已有 376 次阅读2015-5-14 10:18 |个人分类:医学新闻|系统分类:科普作品| 医学

医学新闻 05-11-2015

Medical News

Long-Term Study on Ticks Reveals Shifting Migration Patterns, Disease Risks

Over nearly 15 years spent studying ticks, Indiana University's Keith Clay has found southern Indiana to be an oasis free from Lyme disease, the condition most associated with these arachnids that are the second most common parasitic disease vector on Earth. He has also seen signs that this low-risk environment is changing, both in Indiana and in other regions of the U.S.

Media embedded: Image(s) (Embargo expired on 11-May-2015 at 06:00 ET)

Molecular Ecology; NSF/NIH Ecology and Evolution of Infectious Diseases Program (DEB-03268742)

– Indiana University

Clinical Decision Tools in Electronic Medical Records Can Reduce Childhood Radiation Exposure

Childhood exposure to ionizing radiation increases lifetime malignancy risk, but a team of researchers has found that with just a little bit of education, the risk can be significantly reduced. Currently, up to 40% of computed tomography, or CT, scans are ordered (for everyone) unnecessarily. The study, “Point-of-care estimated radiation exposure and imaging guidelines can reduce pediatric radiation burden,” appears in the May 8, 2015, issue of the Journal of the American Board of Family Medicine.

(Embargo expired on 08-May-2015 at 12:00 ET)

Journal of the American Board of Family Medicine, May 8, 2015

– Uniformed Services University of the Health Sciences (USU)

'Top 100' Papers in Lumbar Spine Surgery Reflect Trends in Low Back Pain Treatment

What are the most influential studies on surgery of the lower (lumbar) spine? The "top 100" research papers in lumbar spine are counted down in a special review in the May 15 issue of Spine, published by Wolters Kluwer.

Spine

– Wolters Kluwer Health: Lippincott Williams and Wilkins

Damming and Damning Haemorrhagic Diseases

Rift Valley fever virus’ proteins imitate human DNA repair factors, say University of Montreal scientists. Using drugs to dam this chemical reaction would condemn the disease’s infectiousness.

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PNAS, May 2015

– Universite de Montreal

Female Children of Service Members More Vulnerable to Eating Disorders, Obesity Than Civilians

Adolescent female military dependents may be at higher risk than civilians for eating disorders and associated problems, according to a study released today in the online version of the International Journal of Eating Disorders. The study, “Comparison of Overweight and Obese Military-Dependent and Civilian Adolescent Girls with Loss-of-Control Eating,” gives insight into the additional vulnerabilities of adolescent female military dependents and shows that they reported more disordered eating and depression than civilians.

International Journal of Eating Disorders-online-May 8-2015

– Uniformed Services University of the Health Sciences (USU)

New Population Genetics Model Could Explain Finn, European Genetic Differences

A new population genetics model developed by researchers at The University of Texas Health Science Center at Houston (UTHealth) School of Public Health could explain why the genetic composition of Finnish people is so different from that of other European populations.

Media embedded: Image(s)

Nature Genetics

– University of Texas Health Science Center at Houston

Patients More Likely to Get HPV Vaccine After Electronic Health Record Prompts

A simple reminder via electronic health record systems linked to significantly higher HPV vaccine completion rates.

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Journal of American Board of Family Medicine

– University of Michigan Health System

Master Orchestrator of the Genome Is Discovered, UB Stem Cell Scientists Report

New research by University at Buffalo scientists finds that genomic regulation may come down to a single growth factor receptor protein.

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PLOS ONE, April 2015

– University at Buffalo

Fragments of tRNA Suggest a Novel Mechanism for Cancer Progression

Researchers at Rockefeller University have discovered that particular genetic fragments, a type of RNA known as transfer RNA, appear to be capable of reducing the growth and spread of breast cancer cells.

Cell

– Rockefeller University

Rockefeller Scientists Resolve Long-Standing Debate Over How Many Bacteria Fight Off Invaders

For years, researchers have puzzled over conflicting results about the workings of type III CRISPR-Cas systems, a type of immune system found in many species of bacteria. Some data showed this mechanism would target the virus’s DNA, while other experiments suggest it could only disable a virus once it had started replicating itself. New results from Rockefeller University suggest both may be true.

Cell

– Rockefeller University

Tracking Defects Caused by Brain Tumor Mutation Yields Insight to Advance Targeted Therapy

St. Jude Children’s Research Hospital scientists have gained ground toward developing more targeted therapies for the most common childhood brain tumor. The findings appear today in the Journal of Molecular Biology. The findings involve the DDX3X gene. In 2012, the St. Jude Children’s Research Hospital – Washington University Pediatric Cancer Genome Project highlighted DDX3X as a promising focus for efforts to develop targeted therapies against medulloblastoma. Such treatments target the genetic mistakes that give rise to the brain tumor’s four subtypes.

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Journal of Molecular Biology; CA21765

– St. Jude Children's Research Hospital

New Combination Treatment Strategy to “Checkmate” Glioblastoma

Therapies that specifically target mutations in a person’s cancer have been much-heralded in recent years, yet cancer cells often find a way around them. To address this, researchers at University of California, San Diego School of Medicine and Moores Cancer Center identified a promising combinatorial approach to treating glioblastomas, the most common form of primary brain cancer. The study published May 5 by Oncotarget.

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Oncotarget

– University of California, San Diego Health Sciences

May Is Older Americans Month … Know Warning Signs of Depression in Seniors

Healthy aging includes addressing mental health concerns, such as depression. Mississippi State University professor Dr. Joe Wilmoth and MSU Extension Service agent Romona Edge offer tips for helping older adults.

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– Mississippi State University, Office of Agricultural Communications

May Is Skin Cancer Awareness Month: Take Practical Steps Now to Help Stave Off Skin Cancer

Mississippi State University Extension Service agent Shelaine Pennington and MSU Extension health specialist Dr. David Buys discuss Pennington's skin cancer scare and tips for lifestyle changes for Skin Cancer Awareness Month.

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– Mississippi State University, Office of Agricultural Communications


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