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Tag: "spread" at biology news

New push for public health, AIDS spending at African Union summit

...ent spending on public health, helping to curb the spread of AIDS, which killed 2.3 million Africans in 2004. "We are definitely optimistic that this time there will be some movement, that this time there will be not just talk about an HIV strategy for the AU but how to tackle an action-oriented plan," Oxf...

Man and mouse share genome structures

...o Bernstein is the unusual density of histone tags spread over the regions of genome containing the HOX genes, which are key regulators of development. "In most of the genome, we see short stretches associated with activated histones," Bernstein said. "However, in the HOX regions, we see huge stretches of ...

UCSB scientists probe sea floor venting to gain understanding of early life on Earth

...ousands of years as abyssal hills are uplifted and spread away from the mid-ocean ridge crest. Haymon compared the subsurface microbes they found to those living in hot springs such as those at Yellowstone National Park. ...

Topical treatment shown to inhibit HIV and herpes simplex virus infection

...nd genital herpes plays a major role in the sexual spread of HIV. The researchers conducted a prospective, randomized, double blind, placebo-controlled study among 20 HIV-infected women to assess the antiviral activity of PRO 2000 in cervicovaginal lavage (CVL) fluid collected before and one hour after adm...

Male circumcision reduces risk of HIV transmission from women to men

...s couples. Theirresults may help explain the rapid spread of HIV in settings wherecircumcision is not common and multiple sexual partnerships are. Between1993 and 1997, 745 male employees of trucking companies based inMombasa, Kenya were followed for the study. Initially they wereevaluated for circumcision...

Another Look Finds Promising Proteomics Test is Not Biologically Plausible

...ly explains that discriminatory peaks appear to be spread across the entire m/z spectrum in the second data set, but “changes in protein expression associated with cancer should affect only a few specific peaks, not the entire spectrum.?/p> Furthermore, the researchers say some of the protein peaks were...

New species from old data

...ly explains that discriminatory peaks appear to be spread across the entire m/z spectrum in the second data set, but “changes in protein expression associated with cancer should affect only a few specific peaks, not the entire spectrum.?/p> Furthermore, the researchers say some of the protein peaks were...

Cracking the olfactory code in bees

...ly explains that discriminatory peaks appear to be spread across the entire m/z spectrum in the second data set, but “changes in protein expression associated with cancer should affect only a few specific peaks, not the entire spectrum.?/p> Furthermore, the researchers say some of the protein peaks were...

Signaling protein builds bigger, better bones in mice

...ly explains that discriminatory peaks appear to be spread across the entire m/z spectrum in the second data set, but “changes in protein expression associated with cancer should affect only a few specific peaks, not the entire spectrum.?/p> Furthermore, the researchers say some of the protein peaks were...

Computers to be used to find blueprint for new influenza drug

...em should they gain entry, thereby controlling the spread of the infection. Because of similarities between the enzymes used by different viruses and bacteria, a similar approach may also be useful in fighting other diseases such as the South American sleeping sickness, Chagas Disease. ...

Study Links Ebola Outbreaks To Animal Carcasses

...ck animals or carcasses for meat. Hunters can then spread the disease to families and hospital workers, creating the conditions for an epidemic in the process. Between August 2001 and June 2003, researchers noted that wildlife outbreaks occurred prior to five human outbreaks in the same relative locations....

Imaging Lymph Nodes with Nanoparticles

...cribed using these nanoparticles toassess lymphoid spread in patients with prostate cancer. Now, in apaper published in this month's PLoS Medicine, they have gone furtherby extending the analysis to patients with different types of cancer,and producing an algorithm that allows semiautomation of the procedur...

NYU Study Reveals How Brain's Immune System Fights Viral Encephalitis

...h can be replaced. The researchers attributed the spread of viral encephalitis to the inability of lab mice to produce sufficient amounts of interferons to fight the virus. ...

Researchers reveal the infectious impact of salmon farms on wild salmon

...0,000 times - higher than natural. These lice then spread out around the farm. Infection of wild juvenile sa...roviding the ideal conditions for the breeding and spread of sea lice amongst the adult fish. For the migrating wild salmon, the farm is a concentrated point ...

U-M scientists find genes that control growth of common skin cancer

... which generally have aslow growth rate and seldom spread or metastasize. However, untreatedBCCs can cause extensive local tissue damage, and surgical procedurescan produce significant scarring in cosmetically sensitive locations,such as the face.The Hedgehog signaling pathway plays a key role in normal dev...

First-ever Compounds To Target Only Metastatic Cells Are Highly Effective Against Breast, Prostate, And Colon Cancers

...between 91 to 99 percent effective in stopping the spread of breast cancer cells, the researchers report. Cell culture studies suggest they can reproduce that success in a wide range of other cancers, too. "What's unique about these analogues is that they do all this without affecting primary tumor cells, ...

Introduced foxes transformed vegetation on Aleutian Islands from lush grasslands to tundra

...dy shows how the effects of introduced species can spread throughout an ecosystem in unpredictable ways," said Donald Croll, an assistant professor of ecology and evolutionary biology at the University of California, Santa Cruz, and first author of the Science paper. Efforts by the U.S. Fish and Wildlife S...

Potential Cure for Lymphoma in HIV patients

...ad poorer prognosticfactors: either the cancer had spread to multiple lymph nodes or thepatient had bulky disease (indicated by a cancerous mass greater than 5?10 cm).Reversible abnormalities in liver function, a side effect of theintensive treatment, were experienced in a majority of the patients.One patie...

New studies suggest airborne SARS transmission is possible

...using severe acute respiratory syndrome (SARS) may spread through the air, not just through direct contact w...diseases transmission could adequately explain the spread of the disease in the outbreak, and hence we feel that the evidence is quite strong." An editorial ...

UCLA scientists transform HIV into cancer-seeking missile

...emoved. This allowed the virus to infect cells and spread throughout the body without provoking disease. "The disarmed AIDS virus acts like a Trojan horse ?transporting therapeutic agents to a targeted part of the body, such as the lungs, where tumors often spread," said Chen, a professor of medicine, micr...

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