Tag: "unable" at biology news

Transgenic mosquitoes are less fertile than their counterparts in nature

...opulation mass after release and therefore will be unable to displace disease-carrying mosquitoes." Atkinson, the professor who leads a major research program to genetically modify mosquitoes to combat mosquito-borne disease, was not surprised that there was a fitness cost associated with transgenesis, but...

Study by UCSD gives new insight into how anthrax bacteria can evade a host's immune response

...ting out of control. The anthrax bacteria would be unable to evade the normal immune response. "While these results may not lead to a drug to cure anthrax in the next six months, the more you understand about bacteria and how they target the immune response the more options you have for developing drugs ...

Governing commons still a struggle, but fight not without hope, according to new report

... resource users were trapped in a commons dilemma, unable to create solutions. "He missed the fact that many social groups -- including the herders on the commons that provided the metaphor for his analysis -- have struggled successfully against threats of resource degradation by developing and maintaining ...

New method of identifying and isolating stem cells developed

... to create new skin epidermis. But scientists were unable to isolate these label-retaining cells, and hence had only a scant view of the properties of these very special skin cells. Reasoning that some of these label-retaining cells were skin stem cells, the Fuchs team developed a system to identify them, ...

Hope available for patients with anemia and myelodysplastic syndrome

...te blood cells, and platelets. The bone marrow is unable to produce blood cells effectively, and many of the formed cells are abnormal or defective. The abnormal cells are usually destroyed before they leave the bone marrow or shortly after they enter the bloodstream. As a result, patients experience a s...

How lice and bird feathers stick together

...letely close their beaks. They could eat, but were unable to use the overhang of the upper beak to remove lice. Normally, a bird's beak "is like a guillotine," Bush says. "It chops off parts of the lice and crushes or slices them to remove them." After two months, the scientists counted the number of lice...

New standard for voice saving care of larynx cancer patients

...ut 15 percent. Removing the larynx leaves patients unable to speak with their natural voice and typically use speaking aids such as an electronic device. Other previously-studied treatment options included radiation therapy alone or several cycles of chemotherapy followed by radiation. Studies from a decade...

Protein involved in cell division now found key to cell growth

...levels of B23 imply that ARF proteins are mutated, unable to limit production of ribosomes, or if there is just too little ARF protein to degrade high levels of B23 protein. "B23 has been found to be highly over-expressed in many tumors, such as in breast and ovarian cancers, but no one knows why that is o...

Bush Administration plan to reduce global warming could devastate sea life

...ded growth and reproduction, while others would be unable to transport oxygen in their blood. "CO2 injection would be detrimental to a great many organisms," said the URI biologist. "It would kill everything that can't swim fast enough to get out of the way, because in concentrated form it's highly toxic,...

Researchers describe new technique for cataloging RNA targets in rare brain disease

...s. Patients suffering from the PND termed POMA are unable to inhibit movement and suffer uncontrollable shaking. PNDs develop when cancer cells in the body prompt a tumor immune response that makes its way across the blood-brain barrier and disrupts the normal function of brain cells. The brain is known as ...

Sex a necessary evolutionary commodity, new study shows

... produced by hermaphrodite self-fertilization were unable to make the same switch. "They don't need males," Goodwin notes, "but what we learned is that sex is good. The advantage of having boys around is you have more flexibility in development and gene expression. It's probably not the only reason, but it ...

New treatment to beat severe incontinence

...ing nursing homes or institutions because they are unable to cope," he says. "The most common cause of a defective sphincter muscle is trauma to the area, for example as a complication of prostate surgery in men, or more frequently in women as they reach menopause, particularly if they have had children," s...

New study identifies gene signaling puberty

...opy of the gene, both humans and mice appear to be unable to enter puberty normally. The newly identified g...e researchers do not yet know why the animals were unable to enter puberty, despite producing normal amounts of the hormone. The findings from the two researc...

Imperial researchers show novel flu treatment eliminates symptoms in mice

...nhibiting all T cells. But this leaves the patient unable to clear the virus and susceptible to other infections. Dr Hussell's team have developed a way of down regulating a molecule known as OX40 that only targets T cells that have recently been alerted to the presence of the flu virus. "OX40 sends out a '...

Media Advisory-GSA 2003 Annual Meeting

...act you during the meeting. Writers interested but unable to attend the meeting are encouraged to call in to...vant to any of the sessions at the meeting and are unable to attend, you may send them to Ann Cairns for distribution in the GSA Newsroom. Ship or mail your ...

New vaccines may address need to protect newborns in the developing world

...ve been altered in the laboratory so that they are unable to replicate. In the current proof-of-principle study, the viruses were engineered to incorporate a gene from the rabies virus. Following oral administration of the vaccine, newborn mice developed antibodies that protected them from subsequent exposu...

How genes orchestrate facial expressions

...suspects the genetic mutations also leave the mice unable to breathe, possibly because Hox3 genes direct the formation of nerves that control breathing. The study's second main finding relates to the fact that even segments (2, 4, 6 and 8) of the hindbrain are more similar to each other than to the odd seg...

One-third of women feel distant from partner post-miscarriage

...istant feared trying [to get pregnant] again, were unable to share the loss with their partners and experienced more tension, and less love, communication, and support with and from their mates," Swanson says. "Women who were sexually more distant avoided intercourse, experienced less desire and saw sex as ...

NSF awards $68 million for new engineering centers

...ally constrained in sensitivity and resolution and unable to view much of the lower atmosphere due to the sparse distribution of weather radar systems. CASA will be headquartered at the University of Massachusetts at Amherst and will operate in partnership with Colorado State University, the University ...

JCI Table of Contents, 1 October, 2003

...rt disease. However, to date, scientists have been unable to determine how high levels of glucose lead to excess cardiovascular risk. Surprisingly, the treatment of hyperglycemia, exclusive of other heart disease intervention protocols, is currently inadequate to reverse or reduce heart disease. In the Octo...

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