News tagged with cellular structure
Study identifies adhesion molecules key to cancer's spread through the body
Although tumor metastasis causes about 90 percent of cancer deaths, the exact mechanism that allows cancer cells to spread from one part of the body to another is not well understood. One key question is ...
Cancer
Oct 09, 2012 |
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Study reveals how serotonin receptors can shape drug effects from LSD to migraine medication
A team including scientists from The Scripps Research Institute (TSRI), the University of North Carolina at Chapel Hill and the Chinese Academy of Sciences has determined and analyzed the high-resolution ...
Medical research
Mar 21, 2013 |
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Metabolism in the brain fluctuates with circadian rhythm
(Medical Xpress)—The rhythm of life is driven by the cycles of day and night, and most organisms carry in their cells a common, (roughly) 24-hour beat. In animals, this rhythm emerges from a tiny brain ...
Neuroscience
Aug 28, 2012 |
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Discovery sheds light on Alzheimer's mystery
(Medical Xpress)—In 1906, when Alois Alzheimer discovered the neurodegenerative disease that would later be named for him, he saw amyloid-beta plaques and neurofibrillary tangles inside the brain. Several decades later, ...
Alzheimer's disease & dementia
Oct 22, 2012 |
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Cancer's sweet tooth may be its weak link
Researchers at Albert Einstein College of Medicine of Yeshiva University have discovered that cancer cells tap into a natural recycling system to obtain the energy they need to keep dividing. In a study with ...
Cancer
Nov 16, 2011 |
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Study shows antidepressant could do double duty as diabetes drug
University of Texas Medical Branch at Galveston researchers have discovered that the commonly used antidepressant drug paroxetine could also become a therapy for the vascular complications of diabetes.
Diabetes
Dec 14, 2012 |
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BRAF inhibitor treatment causes melanoma cells to shift how they produce energy
A multi-institutional study has revealed that BRAF-positive metastatic malignant melanomas develop resistance to treatment with drugs targeting the BRAF/MEK growth pathway through a major change in metabolism. The findings, ...
Cancer
Mar 08, 2013 |
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Scientists use nature against nature to develop an antibiotic with reduced resistance
A new broad range antibiotic, developed jointly by scientists at The Rockefeller University and Astex Pharmaceuticals, has been found to kill a wide range of bacteria, including drug-resistant Staphylococcus (MRSA) bacter ...
Medications
Apr 10, 2013 |
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A brighter future for infertility treatment: study
(Medical Xpress) -- Male infertility could soon have a boost through new treatments at a sub-DNA 'epigenetic' level, according to researchers from The Australian National University.
Genetics
Dec 05, 2011 |
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Scientists find cancer-causing virus in the brain, potential connection to epilepsy
Researchers at Shriner's Hospital Pediatric Research Center at the Temple University School of Medicine, and the University of Pennsylvania have evidence linking the human papillomavirus 16 (HPV16) – the most common cause ...
Neuroscience
Jan 24, 2013 |
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Study identifies new approach to improving treatment for MS and other conditions
(Medical Xpress)—Working with lab mice models of multiple sclerosis (MS), UC Davis scientists have detected a novel molecular target for the design of drugs that could be safer and more effective than current FDA-approved ...
Alzheimer's disease & dementia
May 17, 2013 |
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Adolescent sex linked to adult body, mood troubles, in animal study
A new study suggests that sex during adolescence can have lasting negative effects on the body and mood well into adulthood, most likely because the activity occurs when the nervous system is still developing.
Neuroscience
Nov 15, 2011 |
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Scientists create molecular map to guide treatment of multiple sclerosis
A team of scientists from the Scripps Research Institute, collaborating with members of the drug discovery company Receptos, has created the first high-resolution virtual image of cellular structures called ...
Medical research
Feb 16, 2012 |
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How mitochondrial DNA defects cause inherited deafness
(Medical Xpress) -- Yale scientists have discovered the molecular pathway by which maternally inherited deafness appears to occur: Mitochondrial DNA mutations trigger a signaling cascade, resulting in programmed ...
Medical research
Feb 17, 2012 |
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20-year quest ends as scientists pin down structure of elusive, heart-protective protein
It is a cellular component so scarce, some scientists even doubted its existence, and many others gave up searching for its molecular structure. Now a team led by researchers at Johns Hopkins has defined the protein structural ...
Cardiology
Jul 17, 2012 |
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