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Hypothesis in Medical News

Biologists Question Animal Brain Size Theory

... Social behavior hypothesis contradicted in research paper ... findings contradict the so-called Social Brain hypothesis followed by many evolutionists. In a report ... of this, and indicates that the Social Brain hypothesis does not hold for all Carnivora." Past ...

'Healthy' individuals may be at risk for heart disease

... can lead to heart attack and stroke. "Our hypothesis was that this kind of fat is quite different from ... a thick waist. "For the previous study, our hypothesis was that pericardial fat released inflammatory ... non-subcutaneous fat," Ding said. "If this hypothesis is confirmed, we should look for ways to ...

Calcium may be the key to understanding Alzheimer's disease

... cell compartment. "The 'calcium dysregulation' hypothesis for inherited, early onset familial Alzheimer's ... identifies a molecular mechanism that makes this hypothesis very compelling," says lead author J. Kevin ... amyloid beta protein in the brain. "The amyloid hypothesis has long been invoked to explain the cause of ...

Is a society with smokers profitable?

... As Lpez declared to SINC, "we have not attempted to verify a specific hypothesis but rather carried out an appraisal of the studies on tobacco consumption ... private costs and the evidence that most smokers want to stop give up, the hypothesis that taxes and restrictions on consumption increase net welfare gains ...

Blood Test Shows Statistically Significant Association With Alzheimer's Disease (AD), May Predict Conversion of Mild Cognitive Impairment to AD

... According to Dr. Nagy, "The results of this study support the cell cycle hypothesis of Alzheimer's disease - specifically, that G1/S cell cycle regulatory ... with MCI will develop AD. The biomarkers are based on the cell cycle hypothesis of AD and were invented by Dr. Zsuzsanna Nagy at the University of Oxford ...

Reduced ovarian reserve associated with increased risk of trisomic pregnancy

... risk of trisomic pregnancy. However, more convincing in my opinion, is the hypothesis that the chance that a fertilised, abnormal egg is selected for embryo ... of the increase in trisomy risk. Then the next step would be to study our hypothesis in a fertile group of women, since results from women having IVF cannot be ...

Dad's Genes May Play Greater Role Than Thought

... 96 percent is in a dense, impenetrable material called protamine. "The hypothesis has been that this 4 percent of DNA in histones is randomly distributed," Cairns said. "We challenged the hypothesis and found that the DNA that is in histones is not randomly distributed but ...

Physicians Conduct Research Studies in Minutes, Not Months, at Montefiore Medical Center

... data sets in multiple ways -- immediately. After a clinician generates a hypothesis about a specific disease, for example, CLG can in minutes collect data on ... Not all 2,800 CLG queries each month bear immediate fruit. A clinical hypothesis is posed, a group of patients with a certain condition are identified, CLG ...

Chemical can reproduce complications for some patients

... in crystalloid fluid from IV bags and EC circuits, and to test the hypothesis that a clinically observed dose of CHX could reproduce the vital organ ... to those observed following clinical EC treatment. This supports our hypothesis that CHX may contribute to EC-related cardiovascular insufficiency. ...

Blood pressure compound may benefit brain tumor patients

... of life for cancer patients. Using a rat model, the study drew on a hypothesis from previous studies that a compound similar to the anti-hypertensive ... Journal of Radiation Oncology, Biology, Physics , appear to validate the hypothesis in rats and researchers are optimistic that the same theory could easily ...

Estrogen therapy could be dangerous for women with existing heart risk

... to explain what's behind the so-called timing hypothesis. The timing hypothesis suggests that if a woman implements a hormone therapy program within six ... on estrogen therapy had increased heart disease risk. The six-year timing hypothesis was an attempt to explain the findings in the WHI study, Sowers said. ...

Cornell researchers' study showing evidence of a major environmental trigger for autism

... of the College of Human Ecology at Cornell added, "We looked at the hypothesis using three different statistical approaches and in each case we found ... autism conducted by this team. Their latest report considers a specific hypothesis that there exists an important environmental trigger for autism among ...

AMA Journal Publishes Study Showing Evidence of a Major Environmental Trigger For Autism

... of the College of Human Ecology at Cornell added, "We looked at the hypothesis using three different statistical approaches and in each case we found ... on autism conducted by this team. Their latest report considers a specific hypothesis -- that there exists an important environmental trigger for autism among ...

SpectraScience Delivers Cancer Diagnosis System to Mayo Clinic and UCSD/VA for Detecting Esophageal Dysplasia in Patients

... in identifying dysplasia or cancer in the esophagus will be evaluated. The hypothesis that the sensitivity of a WavSTAT-assisted endoscopic examination improves that of standard endoscopy alone will be tested. If this hypothesis is proven, the physician should be able to take fewer physical biopsies, ...

Age-related memory loss tied to slip in filtering information quickly

... processing, to examine the relationship between this inhibitory deficit hypothesis of normal aging and another leading hypothesis that the brain's ability to process information quickly, diminishes. ...

Childhood brain tumor traced to normal stem cells gone bad

... "Medulloblastoma was one of the first tumors that was believed to fit the hypothesis that tumors are caused by 'cancer stem cells' that initiate malignancies ... and an assistant professor at Harvard Medical School. "But the prevailing hypothesis -- that medulloblastomas originate from non-stem cells just did not make ...

Estrogen therapy increases benign breast disease risk

... equine estrogen, compared with those taking a placebo. “The prevailing hypothesis concerning the natural history of breast cancer is that benign ... risk of breast cancer in the Women's Health Initiative study, if this hypothesis holds true, they might show increased risk later. Ongoing follow up of the ...

Microscopic 'astronauts' to go back in orbit

... our last shuttle experiment and to do a follow-up experiment to test our hypothesis about new ways this bacteria causes disease in this unique environment. In the new experimental wrinkle, the team will test a hypothesis that may lead to decreasing or preventing the risk for infectious diseases ...

AACR's Seventh Annual Landon Awards

... growth and reproduction. Mendelsohn and his colleagues proved their hypothesis by producing an anti-EGF receptor monoclonal antibody that blocked ... arduous, as it often is for pioneers in cancer therapy, Dr. Mendelsohns hypothesis turned out to be spectacular, resulting in a new and effective treatment ...

Iowa State University researcher's work on gender, temperature link in reptiles published in Nature

... were born was the best climate for each of the two genders. This was a hypothesis that was proposed in 1977, said Warner. But no one had conducted a complete experimental test of the hypothesis until now. Warner tracked males and females born at different ...

JCI online early table of contents: Jan. 10 2008

... colleagues at the National Institutes of Health, Bethesda, to extend this hypothesis such that they have proposed that NOD2 negatively regulates signaling by ... that different forms of PIP5KI have different functions. Support for this hypothesis has now been provided by Charles Abrams and colleagues at the University ...

Rockefeller University's Center for Clinical and Translational Science funds pilot studies

... fellow in Christian Mnzs Laboratory of Viral Immunobiology, to test the hypothesis that a cause of multiple sclerosis is an aberrant response of the central ... B cells. Lisa Neff, instructor in clinical investigation, to test the hypothesis that the Dietary Approaches to Stop Hypertension diet and the low glycemic ...

Fetal Alcohol Exposure May Prime Offspring for Alcoholism

... it involves a substance of abuse, he added. The new studies tested the hypothesis that exposure to alcohol while in the uterus resulted in an altered sensory response to the substance that then affected later behavior. "The hypothesis was that there are these neuroadaptive changes that essentially make the ...

Boiron Laboratories Disputes British Journal's Editorial on Homeopathy

... well below .0001. This means that in at least one test, the null hypothesis (lack of effect of homeopathy) must be rejected. ... The number of ... that "the results of our meta-analysis are not compatible with the hypothesis that the clinical effects of homeopathy are completely due to a placebo ...

Certain Cholesterol Drugs Show Their Limits

... way open for further exploration. It neither validates nor invalidates the hypothesis that inhibition of CETP is a beneficial effect, but it will remain a hypothesis unless and until it is tested with CETP inhibitors that do not share the ...

HIV's path out of Africa: Haiti, the US then the world

... trees to determine how probable a particular family tree is. For the hypothesis that, from Africa, HIV went to the U.S. first, the probability is 0.003 percent -- virtually nil. For the hypothesis that HIV went from Africa first to Haiti and then on to the U.S., the ...

Dementia in More Educated Hits Later But Harder

... and the mental decline that follows is accelerated. "The working hypothesis has been that people with higher education have some kind of reserve ... 23 issue of Neurology . Hall and his colleague set out to test the hypothesis by looking at 117 people who developed dementia (they were among an ...

Taxol-type drugs give slight boost to survival rates in early breast cancer

... this type of analysis cannot compare one drug to another accurately. This hypothesis would be better tested in a clinical trial directly comparing the two ... criticisms of some of the earlier taxane trials, Nowak said. I think that hypothesis has been disproved by this study. It looks like taxanes are beneficial, ...

Residual fetal cells in women may provide protection against breast cancer

... that FMc may contribute to reduction of breast cancer based on the hypothesis that residual fetal cells may provide immune surveillance of malignant ... autoimmune diseases. Two observations provided a rationale for the study hypothesis of the potential beneficial role of fetal cells, according to the authors. ...

Prophylactic cranial irradiation in small cell lung cancer significantly increases survival

... adds. Moreover, the trial results give weight to the further research hypothesis that thoracic radiotherapy - using the nowadays advanced radiotherapy techniques - might be beneficial to this pretreated patient group as well - a hypothesis Prof Ben Slotman and colleagues are preparing to test in clinical ...

Fox Chase finds that lung cancer patients respond to erlotinib following cetuximab therapy

... Borghaei says. He cautions, however, that these data come from a subset analysis and are retrospective, so they are not conclusive, but are only hypothesis generating. Although erlotinib is approved for use in patients with non-small cell lung cancer and cetuximab has been studied in this setting for ...

Gloomy Days Dim Cognitive Powers of the Depressed

... see if there was any correlation between days of sunlight and levels of cognitive impairment in people with and without depression. Their original hypothesis panned out: Depressed people who soaked up more of the sun's rays over a two-week period had better cognitive function compared with their ...

Small Molecule Might Play Big Part in Lung Cancer

... targeted therapies for specific lung cancers follow this line of scientific thought -- gefitinib (Iressa) and erlotinib (Tarceva). To test their hypothesis that miR-21 and EGFR may make attractive targets for therapy, the researchers tested two experimental compounds: an antisense molecule designed to ...

Scientists Reverse Muscular Dystrophy in Mice

... to one another," continued Thornton. "In theory, if you could make that happen might you might actually make this disease go in reverse." And the hypothesis panned out. An "antisense morpholino oligonucleotide," a synthetic molecule, succeeded in pulling apart the RNA and the muscleblind proteins. ...

Vein Removal Method Linked to Bypass Results

... said. "And it would be years before we had results," Alexander added. The reason for the difference in outcomes is unclear, he said. "The best hypothesis is that some damage is done to the vein in endoscopic harvesting," Alexander said. "What it is and how you might change it are unknown." More ...

Was SIDS the cause of infant deaths even 150 years ago?

... late winter months and amongst boys, and there were more infant deaths among black babies. The author concludes: "The study strongly supports the hypothesis that these infant deaths represent empirical evidence of 19th century SIDS mortality." ...

Childhood obesity link to parents

... become obese adults, and that prevention of obesity in children will solve the problem in adulthood. EarlyBird's evidence supports the opposite hypothesis that children are becoming obese due to the influence of their same-sex parents, and that we will need to focus on changing the behaviour of the ...

Inflammation may trigger Alzheimer's disease, Saint Louis University findings suggest

... beta protein trapped in the brain," said Banks, who also is a staff physician at Veterans Affairs Medical Center in St. Louis. He tested the hypothesis by giving mice an antisense, which is a molecular compound that blocked the production of LRP. Amyloid beta protein accumulated in the brain and the ...

Brain Quickly Detects Happiness in Others

... much of the emotional processing workload, both positive and negative, on the right hemisphere. The other theory -- known as the approach-withdrawal hypothesis -- suggests that both hemispheres play a part, with the left one better at crunching negative data. Determining how people make value judgments ...

Toronto researcher's discovery points to a new treatment avenue for acute myeloid leukemia

... basis of this experimental work, a Phase I clinical trial has been initiated to test safety and effectiveness in patients. "The cancer stem cell hypothesis is one of the most exciting ideas in cancer biology, with the potential to truly transform cancer therapy. A major question has been whether agents ...
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(Date:4/23/2014)... today announced Sophie Martin of the University of Lausanne, ... Medal. The award acknowledges her work to understand the ... the cell. , Martin has been working for the ... the way in which the spatial organization of cells ... last 11 years, she has been using fission yeast, ...
(Date:4/23/2014)... form different types of social relationships they may ... strict dominance relations. From a cognitive perspective, understanding one,s ... daily social life ("knowing who is nice or not"). ... each other sets the stage for "political" maneuvers ("knowing ... have been published in the scientific journal Nature ...
(Date:4/22/2014)... 21, 2014) -- There are all sorts of signaling ... spread their colorful tails; satin bowbirds build specialized stick ... shiny objects; and European bitterling males show off bright ... a unique method to communicate with others. , ... "Signaling can have profound fitness implications for individuals that ...
Breaking Biology News(10 mins):EMBO Gold Medal 2014 awarded to Sophie Martin 2Ravens understand the relations among others 2Best practices in communication for the animal world 2Best practices in communication for the animal world 3
(Date:4/23/2014)... research, published in the journal Oncotarget , ... different appearances or their own DNA signatures within ... difficult to design effective, targeted treatment strategies. , ... EGFR mutation and either the KRAS or BRAF ... by the EGFR gene mutation have that specific ...
(Date:4/22/2014)... is a popular high school sport in the United ... study by researchers in the Center for Injury Research ... to compare and describe the occurrence and distribution patterns ... high school athletic training setting among adolescents and teens. ... of Athletic Training , examined data relating to adolescents ...
(Date:4/22/2014)... Health clinics that can provide primary care for ... both hospitals and insurance companies while improving patient ... hospital admissions suggests that health clinics that avoid ... save money by lowering hospital admission rates and ... of economics, Penn State Altoona. , The ...
(Date:4/22/2014)... 2014: The Association for Molecular Pathology (AMP) released ... Molecular Diagnostics on recommendations for a molecular ... levels of education. The report was prepared by ... of the AMP Training and Education Committee. "Our ... educating future medical laboratory scientists appropriately in order ...
(Date:4/22/2014)... is available in German . ... intracellular signaling molecules, but their mode of action is ... cellular function and behavior, while at high concentrations they ... DNA. To analyze how redox signaling unfolds in single ... technique has been developed jointly by the teams of ...
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