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Few clues about African ancestry to be found in mitochondrial DNA

Mitochondrial DNA may not hold the key to your origins after all. A study published today in the open access journal BMC Biology reveals that fewer than 10% of African American mitochondrial DNA sequences analysed can be matched to mitochondrial DNA from one single African ethnic group. There has been a growing interest in the use of mitochondrial DNA to trace maternal ancestries, and several com...

From a Few Wild Ancestors, a Citrus Cornucopia

For most of us, the word “citrus?conjures up images of oranges, grapefruits, lemons, limes -- and possibly citrons or blood oranges, if you’re a true connoisseur of fruit. But for ARS horticulturalist Robert R. Krueger, the genus Citrus includes at least 16 species, with hundreds of distant relatives, including lesser-known, peelable oddities like pummelos, trifoliate oranges, and kumquat...

Greasing interferon's gears may pave way to greater therapeutic benefits, fewer side effects

nterferon -- a critical protein that mediates the body's defense against a wide variety of infectious agents and tumors -- may soon have greater therapeutic value as the result of a new study by researchers at Washington University School of Medicine in St. Louis. "Essentially, we found a way to grease the gears that drive the interferon signal," says Michael J. Holtzman, M.D., the Selma...

Hormonal male contraception reversible after few months for all men

With hormonal male contraception likely to be available in the near future, results of a study in this week's issue of THE LANCET highlight how such contraception is reversible within a few months. Currently available male contraceptive methods (condoms, withdrawal, and vasectomy) are not acceptable to many couples because they are either not sufficiently reliable or not easily reversible....

Evolution follows few of the possible paths to antibiotic resistance

Darwinian evolution follows very few of the available mutational pathways to attain fitter proteins, researchers at Harvard University have found in a study of a gene whose mutant form increases bacterial resistance to a widely prescribed antibiotic by a factor of roughly 100,000. Their work indicates that of 120 harrowing, five-step mutational paths that theoretically could grant antibiotic resi...

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Wisconsin students test well on ACT, but relatively few are ready for college rigors

, a major college preparedness test. With an average score of 22.2 on a 36-point scale, Wisconsin ranked second nationally among states that depend on the ACT, falling only one-tenth of one percent...

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Chemotherapy Pill Has Fewer Side Effects Than IV

A chemotherapy pill is as effective for treating advanced colorectal cancer as intravenous treatment with a similar drug.Patients taking the pill capecitabine survived just as long as those on standard chemotherapy, but the pill caused fewer side effects.// Capecitabine is the oral form of 5-fluorouracil (5-FU), the chemotherapy regimen most commonly used to treat advanced colorectal canc...

Stem Cells Have Few Mutations

Researchers have found that embryonic stem cells develop a relatively small number of mutations which can be detected by screening. They felt that the mouse embryonic stem cells were actually more genetically stable than some adult cells. Jay A. Tischfield, a researcher at Rutgers University and a co-author of the study, everybody has assumed that the embryonic stem cell had a mutation ra...

Fewer teeth & Increased Ischemic Stroke risk

A study reveals that people who have periodontal disease and lose a lot of teeth are more likely to have a stroke, but researchers aren't sure about the relationship between fewer teeth and higher// risk of stroke. The study which used data on 41,376 men found that men with fewer teeth generally consumed large amounts of alcohol, were physically less active, were older and were more lik...

Few Parents Help Kids Fight Acne

Even though most parents realize acne affects their teenagers' self-esteem, few take their children to a doctor to have the condition treated.So says a survey done for the American Counseling Association (ACA).// The online survey of 514 parents of children aged 13 to 19 found that only 35 percent of the parents had taken their teenager to a dermatologist for acne treatment. <BR...

Few Simple Steps to Lower The Incidence Of SIDS

The incidence of sudden infant death syndrome or SIDS, could be significantly lowered by taking simple precautions // say researchers according to a recent study. Researchers conducted studies in 20 centers in Europe, looking at 60 variables from the medical records of 745 SIDS cases and 2,411 healthy infants to identify risks for SIDS. About 48 percent of all the SIDS cases were...

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LifeWatch® Ambulatory ECG Monitoring

Description:LifeWatch®, Inc. has been providing excellence in Ambulatory ECG Monitoring since 1992. We assist thousands of physicians in the diagnosis and treatment of potentially life threatening cardiac conditions each year. State-of-the-art equipment and technology combined with our emphasis on the highest standard of customer service makes LifeWatch the provider of choice. Our commitment and diligenc...
Company:LifeWatch, Inc.

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XYOTAX More Cost Effective With Fewer Side Effects Than Gemcitabine or Vinorelbine in Treating Non-Small Cell Lung Cancer

ASCO publication highlights health care cost benefit ofbioengineering paclitaxel CHICAGO, June 05, 2007 /PRNewswire-FirstCall/ -- CellTherapeutics, Inc. (CTI) announced that data published in the 2007Annual Meeting of the American Society of Clinical Oncology (ASCO)abstracts showed reduced medical resource utilization (MRU) andassociated costs with XYOTAX (paclitaxel polyglumex) treatment...