Body

Aqueous two-phase systems enable multiplexing of homogeneous immunoassays

A new protein biomarker test platform developed by researchers at the University of Michigan and Indiana University promises to improve diagnostic testing. The test can accurately and simultaneously measure multiple proteins that indicate the presence of diseases like graft-versus-host disease (bone marrow transplant rejection) in only two hours, no washing steps, and using only a minute volume of blood plasma. A report on this new technology can be found online in the journal TECHNOLOGY.

Breast cancer: DMP is largely consistent with guidelines

On 16 July 2014 the German Institute for Quality and Efficiency in Health Care (IQWiG) published the results of a literature search for evidence-based clinical practice guidelines on the treatment of people with breast cancer. The aim of the report is to identify those recommendations from current guidelines of high methodological quality that may be relevant for the planned revision of the disease management programme (DMP). According to the results of the report, there is no compelling need for revision of any part of the DMP.

Self-assembling nanoparticle could improve MRI scanning for cancer diagnosis

Scientists have designed a new self-assembling nanoparticle that targets tumours, to help doctors diagnose cancer earlier.

The new nanoparticle, developed by researchers at Imperial College London, boosts the effectiveness of Magnetic Resonance Imaging (MRI) scanning by specifically seeking out receptors that are found in cancerous cells.

Improving tumour radiation therapy: When basic ions break DNA down

Scientists now have a better understanding of how short DNA strands decompose in microseconds. A European team found new fragmentation pathways that occur universally when DNA strands are exposed to metal ions from a family of alkaline and alkaline earth elements. These ions tend to replace protons in the DNA backbone and at the same time induce a reactive conformation leading more readily to fragmentation. These findings by Andreas Piekarczyk, from the University of Iceland, and colleagues have been published in a study in EPJ D.

Researchers advance understanding in immune response to infectious disease

University of Leicester researchers have released evidence substantiating an unexpected dual role of an important component of the immune system.

Findings by researchers at the University's Department of Infection, Immunity and Inflammation – including three PhD graduates – are published in a paper for the journal 'Medical Microbiology and Immunology'.

Decoding dengue

Scientists have discovered a new pathway the dengue virus takes to suppress the human immune system. This new knowledge deepens our understanding of the virus and could contribute to the development of more effective therapeutics.

For years, the conventional approach to target the dengue virus was through vector control, which was regarded to be the most effective method. This is because the mechanics of the virus have been elusive, which in turn hampered the development of effective treatments and vaccines.

Donating a kidney may make it difficult to change or initiate life and health insurance

People who selflessly step up and donate a kidney can face insurance challenges afterwards, despite the lack of evidence that they have increased health risks. The finding, which comes from a new study published in the American Journal of Transplantation, suggests that actions by insurers may create unnecessary burden and stress for those choosing to donate and could negatively impact the likelihood of live kidney donation.

Live kidney donors face 'pointless' insurance troubles

Healthy living kidney donors often face pointless post-donation hurdles when seeking or changing health or life insurance, according to results of a new study by Johns Hopkins researchers.

"Living donors are some of the healthiest people in the United States. They're heavily screened before they're approved for donation and should be easily insurable," says study leader Dorry Segev, M.D., Ph.D., M.H.S., an associate professor of surgery and epidemiology at The Johns Hopkins University.

Dodos and spotted green pigeons are descendants of an island hopping bird

The mysterious spotted green pigeon (Caloenas maculata) was a relative of the dodo, according to scientists who have examined its genetic make-up. The authors say their results, published in the open access journal BMC Evolutionary Biology, support a theory that both birds are descended from 'island hopping' ancestors.

Underlying cause of cerebral palsy could lie in family links

This is the first study to investigate cerebral palsy over such a broad range of family relationships.

Cerebral palsy is the most common cause of physical disability in children, affecting approximately two in 1,000 live births in the developed world (and many more elsewhere). It originates from damage to the 'immature' brain and several risk factors in pregnancy have been identified such as preterm delivery, abnormal growth, exposure to infection and lack of oxygen at birth.

Is it time to lock up those who commit research fraud?

Dr Zulfiqar Bhutta, Robert Harding Chair in global child health and policy and Co-Director of the Centre for Global Child Health at the Hospital for Sick Children, Toronto believes that criminal sanctions are necessary to deter growing research misconduct.

He says the fact that research fraud is common is no longer news, but a review by PubMed in 2012 found that 67% of research article retractions were "attributable to scientific misconduct, including fraud or suspected fraud".

Gene discovery could lead to better soybean varieties for Northern United States

WEST LAFAYETTE, Ind. – Researchers from Purdue University and the University of Nebraska-Lincoln have discovered a soybean gene whose mutation affects plant stem growth, a finding that could lead to the development of improved soybean cultivars for the northern United States.

Transparency lacking in clinical trials, BU study finds

A significant percentage of completed drug clinical trials, especially those funded by industry, are not disclosed to the public, years after being completed—a trend that "threatens the validity of the clinical research literature in the U.S.," according to a study led by a Boston University School of Public Health (BUSPH) researcher.

Do women talk more than men? It's all about context

We've all heard the stereotype: Women like to talk. We bounce ideas off each other about everything from career moves to dinner plans. We hash out big decisions through our conversations with one another and work through our emotions with discussion.

At least, that's what "they" say. But is any of it actually true? A new study from Northeastern University professor David Lazer's lab says it isn't that simple.

For bees and flowers, tongue size matters

For bees and the flowers they pollinate, a compatible tongue length is essential to a successful relationship. Some bees and plants are very closely matched, with bee tongue sized to the flower depth. Other bee species are generalists, flitting among flower species to drink nectar and collect pollen from a diverse variety of plants. Data on tongue lengths can help ecologists understand and predict the behavior, resilience and invasiveness of bee populations.