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Tag: "diagnosed" at biology news

High estrogen levels associated with dementia in older men

...total of 2300 men completed the study and 223 were diagnosed with incident dementia during the follow-up period. 134 men developed Alzheimer's disease, and 44 developed vascular dementia. The researchers used Cox regression analyses, adjusting for age and other covariates, to see if hormone levels were associa...

RNA interference stops colon cancer spread in mice

...cs are available, 70,651 men and 68,883 women were diagnosed with the colorectal cancer in the United States; 28,471 men and 28,132 women died from the disease. "What's exciting about this is that by using siRNAs we were able to selectively block components of the PI3K pathway, a biochemical pathway that is a...

Key to early diagnosis of autism may be in the placenta

... though approximately one in every 200 children is diagnosed with an Autism Spectrum Disorder (ASD). The earlier the diagnosis is made, the greater the treatment impact. Current studies are searching for characteristics in children at risk for ASD so that the diagnosis can be made prior to age one. The ideal ...

New HIV study identifies high-risk subgroups of adolescents

...nfections and two-thirds of new STIs each year are diagnosed among those 25 years or younger, and three million adolescents are infected yearly with STIs. Determining factors associated with unprotected sexual intercourse among adolescents is therefore critical to the development of appropriate and successfu...

One-third of adults with diabetes still don't know they have it

The prevalence of diagnosed diabetes in U.S. adults age 20 and older has risen...ur blood glucose is high but not high enough to be diagnosed as diabetes, losing weight and increasing physical activity will greatly lower your risk of getting ...

New MRI technique shows emphysema in asymptomatic smokers

...er 3 million people in the United States have been diagnosed with emphysema, and millions more are in the early stages of the disease before signs and symptoms appear. Smoking cigarettes triples the risk of developing the disease. The researchers had 19 volunteers inhale a special kind of "hyperpolarized" hel...

Ritalin packs punch by elevating norepinephrine, suppressing nerve signal transmissions

...who solicit prescriptions from friends or siblings diagnosed with ADHD and use the drug to postpone fatigue and stay alert and focused while studying for exams or completing projects, Waterhouse said. ...

Gene discovery may shed light on kidney disease

... previously determined that 94 percent of patients diagnosed with Alagille syndrome had mutations in the JAG1 gene. In the current study, they analyzed 11 patients with Alagille syndrome who did not have the JAG1 mutation, and found that two of them had mutations in NOTCH2. Furthermore, the patients had three ...

Epidemic of unneeded amputations

... In 2002, Sevante had recurring leg cramps and was diagnosed with PVD. He developed a non-healing infection and underwent an amputation below his left knee. As a result, Sevante had to walk his daughter down the aisle on her wedding day with a walker and a prosthetic limb. Six months after his first amputatio...

Mayo Clinic study finds two genes predict outcome for breast cancer patients

...h risk by means of this marker." Breast cancer is diagnosed in approximately one million women each year, and claims the lives of over 40,000 in the United States. More than two-thirds of all breast cancers are hormone positive, and most of these are early stage (lymph node-negative). ...

AIDS-related cognitive impairment exists in two separate forms

...icians who are unsure whether to treat their newly diagnosed patients with surgery alone, he said. "This protein profile might be used to identify groups of patients who, independent of stage, should be offered adjuvant chemotherapy, and groups of patients who should not be offered chemotherapy," Nielsen said...

Markers of gene, protein, or micro-RNA activity predict outcome in prostate and colorectal cancers

...icians who are unsure whether to treat their newly diagnosed patients with surgery alone, he said. "This protein profile might be used to identify groups of patients who, independent of stage, should be offered adjuvant chemotherapy, and groups of patients who should not be offered chemotherapy," Nielsen said...

Radiotherapy advance points way to noninvasive brain cancer treatment

...tence. Of the approximately 12,000 people who are diagnosed with GBM annually in the U.S., half will die within a year, and the rest within 3 years. Currently, the only treatments that stretch survival limits are exceptionally invasive surgeries to remove the tumor and radiation treatment with the maximum tol...

Mutation in blood stem cells provides clues to cancer development

...ing out the patient's normal blood cells." PV is diagnosed in approximately 10,000 to 15,000 people in the United States per year, but the disease has a high prevalence, meaning that people suffer from the disease over a long period of time. The major clinical consequence of PV is the development of thrombo...

Teens unaware of sexually transmitted diseases until they catch one, Carnegie Mellon study finds

...exually transmitted diseases when they are getting diagnosed with them," said Julie Downs, lead author of the s...iasis and syphilis. Girls who reported having been diagnosed with a sexually transmitted disease knew more about that particular disease than other girls, but di...

Scientists discover new genetic subtypes of common blood cancer

...the disease, and an estimated 16,000 new cases are diagnosed annually. Despite improvements in therapy, the fiv...ic hybridization) to analyze samples from 67 newly diagnosed patients provided by Shaughnessy in Arkansas. The CGH technique compared the genomes of a normal bl...

Can dogs smell cancer?

...hy patients. All cancer patients had recently been diagnosed with cancer through biopsy-confirmed conventional methods such as a mammogram, or CAT scan and had not yet undergone any chemotherapy treatment. During the study, the dogs were presented with breath samples from the cancer patients and the controls, ...

Genetic mutation linked to West Nile virus infection

...CR5delta32 mutation in patients in the US who were diagnosed with WNV infections. They now report that individuals with two copies of CCR5delta32 were more frequent among WNV patients than in the general population, suggesting that the lack of CCR5 puts people at risk for developing clinical WNV infections. ...

New test to detect rare proteins in blood

...eness. "The critical issue arises when women are diagnosed with early breast cancer," adds Greene. "They often have a lumpectomy and are sometimes treated with radiation or chemotherapy, but despite this conventional therapy the cancer still can occasionally reoccur," says Greene. Detection of very early rec...

St. Jude projects 90 percent cure rate for ALL

...s Research Hospital. Almost 4,000 cases of ALL are diagnosed in the United States each year, about two-thirds of which are in children and adolescents, making this disease the most common cancer in this age group. A report on the progress in the treatment of ALL authored by two St. Jude investigators appear...

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