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Total 677 results found since Jan 2013.

Voltage-Gated Proton Channels: Molecular Biology, Physiology, and Pathophysiology of the HV Family.
Abstract Voltage-gated proton channels (HV) are unique, in part because the ion they conduct is unique. HV channels are perfectly selective for protons and have a very small unitary conductance, both arguably manifestations of the extremely low H(+) concentration in physiological solutions. They open with membrane depolarization, but their voltage dependence is strongly regulated by the pH gradient across the membrane (ΔpH), with the result that in most species they normally conduct only outward current. The HV channel protein is strikingly similar to the voltage-sensing domain (VSD, the first four membrane-spann...
Source: Physiological Reviews - April 1, 2013 Category: Physiology Authors: Decoursey TE Tags: Physiol Rev Source Type: research

The Timing Hypothesis and Hormone Replacement Therapy: A Paradigm Shift in the Primary Prevention of Coronary Heart Disease in Women. Part 2: Comparative Risks
A major misperception concerning postmenopausal hormone replacement therapy (HRT) is that the associated risks are large in magnitude and unique to HRT, but over the past 10 years, sufficient data have accumulated so that the magnitude and perspective of risks associated with the primary coronary heart disease prevention therapies of statins, aspirin, and postmenopausal HRT have become more fully defined. Review of randomized controlled trials indicates that the risks of primary prevention therapies and other medications commonly used in women's health are of similar type and magnitude, with the majority of these risks ca...
Source: Journal of the American Geriatrics Society - May 20, 2013 Category: Geriatrics Authors: Howard N. Hodis, Wendy J. Mack Tags: Updates on Aging Source Type: research

Could Antibodies or Hormones Slow Brain Damage from Alzheimer’s?
Scientists have discovered that certain antibodies may help slow the progression of Alzheimer’s disease. Dr. Patricia Salinas of University College London, UK, and her team focused on a protein called Dkk1, present in raised levels in the brains of people with Alzheimer’s disease. Using brain samples from mice, the team looked at the progressive disintegration of synapses in the hippocampus when exposed to a protein called amyloid-beta, thought to be central to the development of Alzheimer’s disease. “Synaptic loss mediated by amyloid-beta in early stages of the disease might contribute to cognitive...
Source: Psych Central - June 1, 2013 Category: Psychiatry Authors: Jane Collingwood Tags: Aging Alzheimer's Disorders General Seniors Abnormal Deposits Alzheimer S Disease Antibodies Brain Area Brain Damage Cognitive Decline Cognitive Impairments Disintegration Dr Patricia Dr Simon Hippocampus Journal Of Neurosc Source Type: news

Biomedical applications of sodium MRI in vivo
In this article we present an up‐to‐date overview of the potential biomedical applications of sodium magnetic resonance imaging (MRI) in vivo. Sodium MRI is a subject of increasing interest in translational imaging research as it can give some direct and quantitative biochemical information on the tissue viability, cell integrity and function, and therefore not only help the diagnosis but also the prognosis of diseases and treatment outcomes. It has already been applied in vivo in most human tissues, such as brain for stroke or tumor detection and therapeutic response, in breast cancer, in articular cartilage, in muscl...
Source: Journal of Magnetic Resonance Imaging - May 30, 2013 Category: Radiology Authors: Guillaume Madelin, Ravinder R. Regatte Tags: Review Source Type: research

Emotions and Breast Cancer: Expressing, Coping,...
A diagnosis of breast cancer is a great shock. Women report that they fear breast cancer more than heart disease, even though they have a better chance of surviving breast cancer, and dying of stroke or heart failure. Read about some normal emotions that you may experience at diagnosis and during treatment, and ways to cope.
Source: About.com Breast Cancer - June 5, 2013 Category: Cancer & Oncology Authors: breastcancer.guide at about.com Tags: health Source Type: news

Voltage-gated proton channels: molecular biology, physiology, and pathophysiology of the H(V) family.
Abstract Voltage-gated proton channels (H(V)) are unique, in part because the ion they conduct is unique. H(V) channels are perfectly selective for protons and have a very small unitary conductance, both arguably manifestations of the extremely low H(+) concentration in physiological solutions. They open with membrane depolarization, but their voltage dependence is strongly regulated by the pH gradient across the membrane (ΔpH), with the result that in most species they normally conduct only outward current. The H(V) channel protein is strikingly similar to the voltage-sensing domain (VSD, the first four membrane...
Source: Physiological Reviews - April 1, 2013 Category: Physiology Authors: DeCoursey TE Tags: Physiol Rev Source Type: research

Drugs to be offered to women at high risk of breast cancer
The National Institute of Health and Care Excellence (NICE) has today released updated guidelines on the care of women who are at increased risk of breast cancer due to their family history. One of the main changes to the original guidance from 2004 is that NICE now recommends drug treatment with tamoxifen or raloxifene to reduce risk of breast cancer in a specific group of women who are at high risk of breast cancer and have not had the disease. They say that these treatments could help prevent breast cancer in about 488,000 women aged 35 years and older. The updated guideline has also made changes to the recommende...
Source: NHS News Feed - June 25, 2013 Category: Consumer Health News Tags: Cancer Medical practice QA articles Source Type: news

Marine fatty acids linked to lower risk of breast cancer
One or two portions a week of salmon, tuna or sardines cut risk by 5%Related items from OnMedicaCancer survivors need better diet adviceStudy shows link between diet and breast cancer Two weekly portions of oily fish could help ward off stroke Don’t bother eating oily fish to ward off secondary heart attacksDietary intake of veg linked to lower risk of ER-negative breast cancer
Source: OnMedica Latest News - June 28, 2013 Category: UK Health Source Type: news

Global informetric perspective studies on translational medical research
Conclusions: The subject categories of "Research & Experimental Medicine", "Medical Laboratory Technology", and "General & Internal Medicine" play a key role in translational medical research both in production and in its networks. Translational medical research and CTS, etc. are core journals of translational research. G7 countries are the leading nations for translational medical research. Some developing countries, such as P.R China, also play an important role in the communication of translational research. The USA and its institutions play a dominant role in the production, collaboration, citations and high quality ar...
Source: BMC Medical Informatics and Decision Making - Latest articles - July 26, 2013 Category: Information Technology Authors: Qiang YaoPeng-Hui LyuFei-Cheng MaLan YaoShi-Jing Zhang Source Type: research

Cardiovascular Care for Women: The 10-Q Report and Beyond
Abstract: According to The National Coalition for Women's Health Research's 10Q Report: Advancing women's heart health through improved research, diagnosis, and treatment published in June 2011, cardiovascular disease (CVD), a term used to describe diseases of the heart or blood vessels, is the leading cause of death for women in the United States, causing more than 420,000 deaths among women annually. Experts estimate that one in two women will die of heart disease or stroke compared with one in 25 women who will die of breast cancer. Despite the fact that more women than men die each year of heart disease and that there...
Source: The American Journal of Cardiology - August 1, 2013 Category: Cardiology Authors: Nanette K. Wenger, Sharonne N. Hayes, Carl J. Pepine, William C. Roberts Tags: Multimedia Activities Source Type: research

Teen drinking linked to raised breast cancer risk
Conclusion Alcohol consumption is already recognised as a risk factor for breast cancer. And this large, well-conducted study seems to confirm that young women between their first period and first pregnancy are particularly susceptible.  One limitation of the study is that the women were asked to recall their drinking habits when they were far younger, which could mean the results are less reliable. Also, other factors called confounders might have affected women’s risk of breast cancer, although researchers did adjust their findings for a range of other risk factors. As the authors point out, it is crucial that youn...
Source: NHS News Feed - August 29, 2013 Category: Consumer Health News Tags: Cancer Lifestyle/exercise Source Type: news

Health care performance comparison using a disease-based approach: The EuroHOPE project
This article describes the methodological challenges associated with disease-based international comparison of health system performance and how they have been addressed in the EuroHOPE (European Health Care Outcomes, Performance and Efficiency) project. The project uses linkable patient-level data available from national sources of Finland, Hungary, Italy, The Netherlands, Norway, Scotland and Sweden. The data allow measuring the outcome and the use of resources in uniformly-defined patient groups using standardized risk adjustment procedures in the participating countries. The project concentrates on five important disea...
Source: Health Policy - May 16, 2013 Category: Health Management Authors: Unto Häkkinen, Tor Iversen, Mikko Peltola, Timo T. Seppälä, Antti Malmivaara, Éva Belicza, Giovanni Fattore, Dino Numerato, Richard Heijink, Emma Medin, Clas Rehnberg Source Type: research

Electrolyte imbalance triggering relapse of inflammatory neuropathy
We describe a case of a 71 year old female with a fourteen year history of chronic inflammatory demyelinating polyneuropathy (CIDP) and stable monoclonal gammopathy, normally maintained on three–weekly intravenous immunoglobulin (IVIG) therapy. At her best baseline, she has a normal motor examination and reduced vibration sense only to the ankles. She presented with a four week history of progressive numbness and paresthesiae in all four limbs, reduced balance, a decline in mobility with frequent falls and reduced hand function. The deterioration developed after a week of non–bloody diarrhoea with night sweats ...
Source: Journal of Neurology, Neurosurgery and Psychiatry - October 9, 2013 Category: Neurosurgery Authors: Keshavan, A., Gandhi, S., Lunn, M., Reilly, M. Tags: Neurogastroenterology, Immunology (including allergy), Drugs: CNS (not psychiatric), Multiple sclerosis, Neuromuscular disease, Peripheral nerve disease, Stroke, Hypertension Association of British Neurologists (ABN) joint meeting with the Royal College Source Type: research

Practice Paper of the Academy of Nutrition and Dietetics Abstract: Nutrition and Women's Health
Abstract: Women account for 51% of the US population. Currently, cardiovascular disease (CVD) is the leading cause of death in women, followed by cancer and stroke. Breast cancer, while associated with lower mortality than most other cancers, is the leading cause of cancer-related morbidity in women. Osteoporosis also threatens women, particularly after menopause. Importantly, each of these diagnoses in aging women share a commonality in that lifestyle choices, including diet, play a primary role in prevention and treatment of these diseases. This practice paper provides a synopsis of current dietary recommendations for CV...
Source: Journal of the American Dietetic Association - October 22, 2013 Category: Nutrition Authors: Jean T. Cox, Karen Chapman-Novakofski, Cynthia A. Thomson Tags: Practice Paper Source Type: research

Clinical Features of Radiation-induced Carotid Atherosclerosis.
Abstract Carotid arteries frequently receive significant incidental doses of radiation during the treatment of malignant diseases, including head and neck cancer, breast cancer and lymphoma. Vascular injury after treatment may result in carotid artery stenosis and increased risk of neurological sequelae, such as stroke and transient ischaemic attack. The long latent interval from treatment to the development of clinical complications makes investigation of this process difficult, particularly in regard to the design of interventional clinical studies. Nevertheless, there is compelling clinical evidence that radiat...
Source: Clinical Genitourinary Cancer - November 1, 2013 Category: Cancer & Oncology Authors: Gujral DM, Shah BN, Chahal NS, Senior R, Harrington KJ, Nutting CM Tags: Clin Oncol (R Coll Radiol) Source Type: research