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Tag: "rates" at biology news

Sponges as drugs

...cessful with only 3 species. Although the survival rates of these species were generally very high, the growth rates were very slow and unpredictable. Moreover, the reared sponges produced less of the biologically-act...

$5.1 billion would save 6 million children

...uld be the priority for countries with the highest rates of child death and for international donors. The biggest challenges are increasing the delivery of health services and the lack of readily available funds," said Robert E. Black, MD, MPH, corresponding author of the study and chair of the Bloomberg S...

Survey reveals women and doctors aren't talking about HPV

... 30+. "The first step in lowering cervical cancer rates is to educate both healthcare providers and women that this cancer is nearly 100 percent preventable through the use of regular screening with the available technologies appropriate to each age group," said Wayne Shields, president & CEO, ARHP. "...

UN: World in big ecological mess

... progress in eliminating hunger, but at far slower rates than needed to halve the scourge by 2015. Changes in ecosystems such as deforestation influence the abundance of human pathogens such as malaria and cholera, as well as the risk of emergence of new diseases. Malaria, for example, accounts for 11 per ...

Two studies document rise of superbugs in the environment

As science gets wiser, so do the bugs. The rates of drug-resistant bacteria infecting patients in the community and in the hospital have been increasing steadily in recent years, according to two new studies in the June 15 issue of Clinical Infectious Diseases, now available online. Drug resistanc...

Any exposure to tobacco smoke during pregnancy is risky

...ry maternal exposure result in similarly increased rates of genetic mutation that are basically indistingui... results. The original studies looked at mutation rates at the HPRT gene located on the X chromosome in cord blood samples from newborns. Dr. Grant's analys...

Where Bacteria Get Their Genes

...lop new antibiotics, it's important to monitor the rates and patterns of lateral gene transfer," said team member Howard Ochman, a UA professor of biochemistry and molecular biophysics and a member of UA's BIO5 Institute. The research also solves a long-standing evolutionary puzzle. Many scientists have a...

Scripps research scientists identify infertility molecule

... is a significant finding because low implantation rates are one of the major issues facing women who use assisted reproductive technologies, and nobody has ever considered LPA signaling to be involved in implantation. If the same pathway turns out to be relevant in human embryo implantation, then there mi...

New Vaccine To Be Used For First Time In Polio Outbreak Response

...e affected governorates in Yemen. Low immunization rates among Yemen's children may facilitate the spread of the virus. Experts are now planning an outbreak response, using the recently-developed monovalent oral polio vaccine type 1(mOPV1). This new vaccine enables a precisely tailored immunological respo...

Scalpel-free surgery could reduce risk of HIV and hepatitis exposure for health care workers

...sted positive for a bloodborne germ. "While these rates are alarming, they are not entirely unexpected. Ge...e report. The study concludes that by studying the rates of HIV and hepatitis B and C among patients presenting for surgery, a more accurate incidence of dis...

Study: Harmless virus kills some cancers

...rogression by decreasing cancer cell proliferation rates and causing growth arrest. In this study, the team first used HPV infected epithelial cells and normal human epithelial cells, which are natural hosts for both AAV2 and HPV. In cultures infected with both AAV2 and HPV, the team found that after six ...

FSU scientist warns North Atlantic right whale facing extinction

...whale's future looks grim if the current mortality rates continue, according to Florida State University assistant professor of oceanography Douglas Nowacek and a group of fellow scientists from across the nation. They have co-authored a paper titled "North Atlantic Right Whales in Crisis" that appears in...

Scientists to mimic nature for newest cancer drugs

...whale's future looks grim if the current mortality rates continue, according to Florida State University assistant professor of oceanography Douglas Nowacek and a group of fellow scientists from across the nation. They have co-authored a paper titled "North Atlantic Right Whales in Crisis" that appears in...

Study shows how retinoic acid enters a cell's nucleus

...reasing CRABP-II levels within cells, tumor growth rates slow dramatically. The protein transfers RA rapidly and efficiently to the cell's nucleus. In this way, tumor growth may be inhibited using naturally occurring levels of RA, as opposed to the toxic doses currently administered. "If you can provide a...

New type of rejection blocker protects kidneys after transplant

...-transplant therapy. At the end of six months, the rates of acute rejection were similar in all patient groups (six to seven percent for belatacept versus eight percent for cyclosporine). Acute rejection usually can be reversed, and study results showed that all patients retained their transplanted kidneys...

High rates of sexually transmitted infections found in young drug users

...of Public Health and other institutions found high rates of herpes simplex virus 2 and syphilis among young...he study found that women had significantly higher rates compared to their male counterparts, but did not find significant differences between injection drug...

Pregnant women at higher risk for HIV, Uganda study finds

...were pregnant or breastfeeding, and compared their rates of HIV acquisition to 8,473 women who were neither...regnant nor lactating. They compared the incidence rates of HIV during pregnancy and breastfeeding with the rates during intervals when pregnancy and breastf...

New Discovery May Help Doctors Treat Infertility

...wed that fertility drugs did not improve ovulation rates in mice that were genetically engineered to lack e...ent with fertility drugs did not improve ovulation rates in these studies. Years of study have shown that the hormone estrogen plays an important role in a ...

Microreactor efficiently regenerates cofactors for biocatalysis

...o electrodes without mixing. By adjusting the flow rates of the two streams, the researchers can focus the reactant stream close to the cathode, and a normally unfavorable reaction equilibrium is driven into the desired direction of cofactor regeneration. "In large batch reactors, a spontaneous reverse re...

Secrets to antibody's success against West Nile Virus surprise scientists

...jection of the new antibodies could boost survival rates of mice infected with the virus to greater than 90 percent. Scientists at Macrogenics are working on the preliminary studies required before the West Nile antibody can be tested in humans. Meanwhile, researchers at Washington University wanted to ...

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