Body

Southampton engineers develop novel method to increase lifespan of joint replacements

Researchers at the University of Southampton have completed a project that will enable surgeons to fit joint replacements with longer, optimised lifespans.

The MXL project uses computational modelling to define the mechanics of an artificial joint -- a complex interaction of individual anatomy, prosthesis design, sizing and placement -- to ensure successful surgery and longer lifespans of the prosthetic joints.

Acceptance predicts satisfaction in later life

When older adults lose control as they move into residential care, they adapt and accept what cannot be changed in order to stay happy. According to a new study, by Jaclyn Broadbent, Shikkiah de Quadros-Wander and Jane McGillivray from Deakin University in Australia, when it comes to satisfaction in later life the ability to accept what cannot be changed is as important as the feeling of being able to exert control. Their work is published online in Springer's Journal of Happiness Studies.

Understanding bulls' gene-rich Y chromosomes may improve herd fertility

The Y chromosomes of cattle have more genes and are more active than the Y chromosomes of other primates, according to researchers.

This discovery may help biologists better understand how cattle and other mammals evolved, as well as help animal breeders and farmers better maintain and enhance fertility in the cattle industry, said Wansheng Liu, associate professor of animal genomics, Penn State.

Whole chickens from farmers markets may have more pathogenic bacteria

Raw, whole chickens purchased from farmers markets throughout Pennsylvania contained significantly higher levels of bacteria that can cause foodborne illness compared to those purchased from grocery stores in the region, according to a small-scale study by researchers in Penn State's College of Agricultural Sciences

Of 100 whole chickens purchased from farmers markets, 90 percent tested positive for Campylobacter and 28 percent harbored Salmonella.

Mexican American youth show signs of metabolic syndrome: Early screening critical

Mexican American children are experiencing substantial burdens of obesity, pre-diabetes, and other health problems which historically would have been expected to develop much later in life. The findings of a new study by Texas Biomed scientists in San Antonio argue for early screening and intervention to delay or avoid chronic health problems as these children age.

Obese dads pass on predisposition to obesity and metabolic disorders to their kids

Bethesda, MD—If you are obese and hope to be a father, here's another reason to lose weight: your children and grandchildren may inherit your waistline or metabolic disorders. That's because scientists have discovered in mice that obese fathers, even those who did not show any signs of diabetes, passed this negative trait on most frequently to their daughters. Sons don't entirely dodge this genetic bullet either—both sons and daughters of obese fathers have increased risks of developing metabolic diseases, such as diabetes.

Scientists develop ground-breaking new method of 'starving' cancer cells

A University of Southampton Professor, in collaboration with colleagues at the BC Cancer Agency Research Centre, have discovered a novel way of killing cancer cells. The research, recently published in the journal Cell, has found a new potential treatment for cancer, which leaves the body's healthy cells undamaged, unlike traditional therapies such as radiotherapy.

Discovery of a strange new snow scorpionfly species in Alaska helped by Facebook

Researchers from the University of Alaska Fairbanks (Derek Sikes and Jill Stockbridge) discovered a strange new insect on Prince of Wales Island, Alaska. It belongs to an enigmatic group that might help scientists understand the evolutionary origin of the Fleas. The new species belongs to the insect order Mecoptera which includes the scorpionflies, hangingflies, and snow scorpionflies.

Aflibercept in colorectal cancer: Indication of minor added benefit

The drug aflibercept (trade name: Zaltrap) has been approved in Germany since February 2013 in combination with a certain chemotherapy for adults with metastatic colorectal cancer in whom chemotherapy with oxaliplatin could not stop the disease from progressing. In an early benefit assessment pursuant to the Act on the Reform of the Market for Medicinal Products (AMNOG) the German Institute for Quality and Efficiency in Health Care (IQWiG) examined whether this new drug offers an added benefit over the current standard therapy.

Molecular discovery puts cancer treatment in a new perspective

Researchers from the University of Copenhagen and the National Institutes of Health have obtained ground-breaking new knowledge about proteases - important enzymes which, among other things, play a role in the development of cancer cells. The findings may be significant for the development of cancer drugs, and have just been published in Journal of Biological Chemistry.

Cancer cells can exploit an over-production of proteases to force their way into the body.

New insight into the human genome through the lens of evolution

By comparing the human genome to the genomes of 34 other mammals, Australian scientists have described an unexpectedly high proportion of functional elements conserved through evolution.

Preventing cell death in osteoarthritis

UK scientists have found a naturally occurring molecule in the body which may have important consequences for treating osteoarthritis.Researchers from The University of Manchester and the University of Westminster have found that the molecule, known as Urocortin, protects cells in the joints from being destroyed.

The discovery could help lead to the development of new medicines to prevent joint degradation -- a condition which affects millions of people in the UK each year.

Hidden strains of HPV found in 'virus-negative' genital warts

There are 170 established HPV types. Cancerous human papillomavirus (HPV) viruses are the main cause of cervical cancer, and are found in close to 100% of cervical tumors.

Cervical cancer and genital warts are caused by HPV. However, testing for the virus using standard techniques can sometimes give a negative result -- in these cases, the condylomas are called 'virus-negative' warts.

Parental divorce in childhood is linked to raised inflammation in adulthood

People who experience parental divorce during childhood have higher levels of an inflammatory marker in the blood which is known to predict future health, according to new research from UCL.

New hope in the fight against childhood cancer

Researchers in the Antibody and Vaccine Group have developed two monoclonal antibodies (mAbs) called anti-4-1BB and anti-CD40 and investigated a third called anti-CTLA-4. Each of these antibodies binds to a different target molecule in the immune system, potentially heightening the body's own immune response to cancer.

Published in the July edition of Clinical Cancer Research, the study has shown that the antibodies boost the immune system to fight neuroblastoma -- a form of childhood cancer which grows from undeveloped tissue of the nervous system.