Related Science News

September 22, 2017

Locking Down the Big Bang of Immune Cells

Intricate human physiological features such as the immune system require exquisite formation and timing to develop properly. Genetic elements must be activated at just the right moment, across vast distances of genomic space. “Promoter” areas, locations where genes begin to be expressed, must be paired precisely with “enhancer” clusters, where […]
September 22, 2017

Drug Combination May Improve Impact of Immunotherapy in Head and Neck Cancer

Checkpoint inhibitor-based immunotherapy has been shown to be very effective in recurrent and metastatic head and neck cancer but only in a minority of patients. University of California San Diego School of Medicine researchers may have found a way to double down on immunotherapy’s effectiveness. In a paper published in […]
September 22, 2017

Metastatic breast cancer affects bone mineral before spreading

When breast cancer metastasizes, or spreads, one of its most likely destinations is bone. In fact, four in five metastatic breast cancer patients will develop bone lesions, according to research published by the National Institutes of Health. Most research studies have focused on the cellular and molecular mechanisms involved in […]
September 21, 2017

Personality changes don’t precede clinical onset of Alzheimer’s

For years, scientists and physicians have been debating whether personality and behavior changes might appear prior to the onset of Alzheimer’s disease and related dementias. Now, the findings of a new and comprehensive study from FSU College of Medicine Associate Professor Antonio Terracciano and colleagues, published today in the journal JAMA […]
September 20, 2017

Can gardening prevent cancer? Study seeks to find out

Ask someone who gardens what they love most about it, and, research has shown, the answer is almost always the same. “No matter where you go in the world, no matter what language they speak, people say there’s just something about it that makes them feel better,” says Jill Litt, […]
September 20, 2017

Study shows Lipitor may help fight cancer

Early-stage UAlberta research suggests that taking a cholesterol-lowering statin regularly may help boost the body’s ability to fight off chronic conditions like HIV and cancer. “We concluded that Atorvastatin (marketed under Lipitor, among other names) may be of benefit to patients with HIV and cancer by preventing their T-cells—a type […]
September 20, 2017

Brain Powered: Increased Physical Activity Among Breast Cancer Survivors Boosts Cognition

It is estimated that up to 75 percent of breast cancer survivors experience problems with cognitive difficulties following treatments, perhaps lasting years. Currently, few science-based options are available to help. In the journal Cancer, University of California San Diego School of Medicine researchers report in a pilot study of 87 female […]
September 19, 2017

Scientists discover the engine that powers cancer-killing NK cells

Scientists have just discovered how the engine that powers cancer-killing cells functions. Crucially, their research also highlights how that engine is fuelled and that cholesterol-like molecules, called oxysterols, act as a “cut-off” switch making it hard for our ‘Natural Killer’ cells to win the war against cancer. The scientists, led […]
September 19, 2017

Epigenetic code plays a role in acute myeloid leukemia

Errors in the regulation of gene expression may contribute to the development of a common form of blood cancer and point to potential treatment strategies, according to a study by scientists from Weill Cornell Medicine and Memorial Sloan Kettering Cancer Center. Acute myeloid leukemia (AML) is a difficult-to-treat cancer of […]
September 19, 2017

Study uncovers markers for severe form of multiple sclerosis

Scientists have uncovered two closely related cytokines — molecules involved in cell communication and movement — that may explain why some people develop progressive multiple sclerosis (MS), the most severe form of the disease. The findings, authored by researchers at Yale University, Oregon Health & Science University, and the University […]
September 18, 2017

People with Schizophrenia Left Out of Longevity Revolution

Since the 1970s, general mortality rates in developed countries have declined. On average, lifespans have lengthened by almost a decade. One demographic group that has not reflected this trend: persons with schizophrenia, whose life expectancy is 15 to 20 years shorter than the general population. The average life expectancy in […]
September 18, 2017

Exploring new treatments targeting colorectal cancer

A University of Tokyo research team revealed for the first time that colorectal cancer cells activate the intracellular signaling of a protein called BMP-4 that enables the cells to evade apoptosis, or programmed cell death. The team further found that inhibition of BMP signaling prevented the formation of colorectal tumors, […]
September 18, 2017

Medical history can point to earlier Parkinson’s disease diagnosis

Before symptoms become pronounced, there is no reliable way to identify who is on track to develop Parkinson’s disease, a debilitating movement disorder characterized by tremors, slowness of movement, stiffness, and difficulty with balance and coordination. But researchers at Washington University School of Medicine in St. Louis have analyzed Medicare […]
September 15, 2017

Premature infants may get metabolic boost from mom’s breast milk

The breast milk of mothers with premature babies has different amounts of microRNA than that of mothers with babies born at term, which may help premature babies catch up in growth and development, according to researchers. In a study, researchers compared the breast milk of mothers with babies born prematurely […]
September 14, 2017

Lower Thyroid Stimulating Hormone Levels Elevate Risk of Thyroid Cancer

There is an increased risk of thyroid cancer associated with lower-than-normal thyroid hormone levels, a finding that could have a major impact on patients fighting the disease. The Yale-led study, published in American Association for Cancer Research journal examined the effect of Thyroid Stimulating Hormone (TSH) on the development of human papillary […]
September 14, 2017

Researchers Develop New Strategy to Target KRAS Mutant Cancer

Although KRAS is one of the major oncogenes associated with aggressive cancers, drugs designed to block KRAS function have not been able to halt cancer progression in a clinical setting.  Until now, KRAS has remained infamously “undruggable.” In a new study, published in Cancer Discovery, University of California San Diego School […]
September 13, 2017

Does health insurance status affect childhood cancer survival?

Privately insured children and those with Medicaid at the time of a cancer diagnosis experience largely similar survival trends, with slight evidence for an increased risk of cancer death in children who were uninsured at diagnosis, finds a new study from the Brown School at Washington University in St. Louis. […]
September 13, 2017

Does improving cardiovascular health reduce risk of dementia?

Researchers at Washington University School of Medicine in St. Louis are recruiting volunteers for a national study that is exploring whether strategies to improve cardiovascular health also reduce the risk of dementia in those at risk for Alzheimer’s disease. The multicenter study is evaluating aerobic exercise, intensive medical management of […]
September 13, 2017

Hospice care is short and may start later than needed

Older adults are admitted to hospice for short duration despite experiencing symptoms months prior to the end of life, according to a Yale-led study. The finding highlights the need for earlier hospice admission or other strategies to address increasing symptoms and disability at the end of life, the researchers said. […]
September 12, 2017

Protein identified in post-chemo cell death puzzle

Because anticancer drugs are designed to kill growing cells, they also affect normal, fast-growing cells—blood cells forming in the bone marrow, for example, and digestive, reproductive, and hair follicle cells. Chemotherapy may also affect cells in vital organs, such as the heart, kidney, bladder, lungs, and nervous system. Researchers at […]
September 11, 2017

Human skin cells transformed directly into motor neurons

Scientists working to develop new treatments for neurodegenerative diseases have been stymied by the inability to grow human motor neurons in the lab. Motor neurons drive muscle contractions, and their damage underlies devastating diseases such as amyotrophic lateral sclerosis and spinal muscular atrophy, both of which ultimately lead to paralysis […]
September 11, 2017

Breast Cancer Patients Who Freeze Their Eggs See No Delay for Chemotherapy

Women who receive a breast cancer diagnosis while they are still young enough to bear children can take time to freeze their eggs and embryos without fear of delaying their cancer treatment, according to research by UC San Francisco scientists who have helped develop a faster fertility preservation technique that can […]
September 8, 2017

Adding modified herpes virus to immunotherapy shows promise for treating advanced melanoma

In a two-year study at UCLA, nearly two-thirds of people with advanced melanoma responded positively to a treatment that combines the immunotherapy drug pembrolizumab with a herpes virus called talimogene laherpareovec, or T-VEC. Researchers led by Dr. Antoni Ribas found that the treatment’s side effects were manageable, and comparable to […]
September 7, 2017

Zika virus kills brain cancer stem cells

While Zika virus causes devastating damage to the brains of developing fetuses, it one day may be an effective treatment for glioblastoma, a deadly form of brain cancer. New research from Washington University School of Medicine in St. Louis and the University of California San Diego School of Medicine shows […]
September 7, 2017

Biologists slow aging, extend lifespan of fruit flies

UCLA biologists have developed an intervention that serves as a cellular time machine — turning back the clock on a key component of aging. In a study on middle-aged fruit flies, the researchers substantially improved the animals’ health while significantly slowing their aging. They believe the technique could eventually lead […]
September 7, 2017

Scientists edging towards understanding what causes middle-age blindness

Getting older is not something people admire. Your body becomes weaker and you generally start losing some of its capacities. For example, around 1 in 3000 middle-age people start experience reduction of sight. Why is that? A new study from The University of Edinburgh determined genetic reasons for the middle-age […]
September 6, 2017

Zika Virus Targets and Kills Brain Cancer Stem Cells

In developing fetuses, infection by the Zika virus can result in devastating neurological damage, most notably microcephaly and other brain malformations. In a new study, published in The Journal of Experimental Medicine, researchers at the University of California San Diego School of Medicine and Washington University School of Medicine in St. […]
September 6, 2017

Cheaper and better: simple screening for cardiovascular diseases saves more lives per krone spent than cancer screening

Just as many Danes die of cardiovascular diseases as cancer. However, the majority of funding ends in cancer screening. A major new study now shows that a combined screening for cardiovascular diseases delivers more lifespan per krone spent than, for example, cancer screening programmes. “National screening programmes have been implemented […]
September 5, 2017

Which genetic marker is the ring leader in the onset of Alzheimer’s disease?

The notorious genetic marker of Alzheimer’s disease and other forms of dementia, ApoE4, may not be a lone wolf. Researchers from USC and The University of Manchester have found that another gene, TOMM40, complicates the picture. Although ApoE4 plays a greater role in some types of aging-related memory ability, the […]