Tag: "primary" at biology news

Invisible gases form most organic haze in urban, rural areas

...ther tiny particles directly into the air were the primary culprit in the formation of organic haze. But a new study by researchers at CU-Boulder's Cooperative Institute for Research in Environmental Sciences show aerosols formed chemically in the air account for about two-thirds of the total organic haze i...

Scientists gain important insights into acute promyelocytic leukemia

... properties of RARA fusions from transformation of primary blood cells. The researchers found that homodimeri... not required for transformation of blood cells in primary culture, RXR was absolutely essential for APL development in PML/RARA transgenic mice. Pharmacologic...

NIEHS researchers identify enzyme critical in DNA replication

...that in bakers yeast, DNA polymerase epsilon has a primary role in replicating the leading strand of DNA. DNA polymerase epsilon was found to be a key determinant of genome stability and of cellular responses to DNA damage resulting from exposures to environmental stress. The researchers built on fundam...

Fat kills cancer

...ized as a vehicle for treatment that can find both primary tumors and small metastases. These stem cells also have some plasticity, which means they can be converted by the micro environment of a given tissue into specialized cells, Altaner says. After extracting the stem cells from human fat tissue the re...

Scientific American launches innovative new version of magazine

...an no longer considers other science magazines its primary competition, said Brian Napack, president of Holtzbrinck Publishing. To be a successful magazine in todays multimedia environment, Scientific American needs to compete against Google, Yahoo and countless other print and online sources of science info...

From clinical cancer research: rethinking therapeutic cancer vaccine trials

...to the researchers, since they didnt achieve their primary endpoints, these vaccines may be abandoned as dead-ends, despite their real therapeutic value in terms of prolonging patient survival. Clinical data are providing evidence that patients are living longer following vaccination, de-spite the fact tha...

Glimmer of hope for Tahitian tree snails' survival

...f lineage diversity has occurred, none of the five primary Tahitian Partula taxonomic groups, or clades, present in the museum samples is extinct, they found. In addition to their implications for the tree snails, the findings point to the conservation value of museum specimens in general. Natural histor...

Early fire risk for mountains near Los Angeles

...moisture level in chamise the 3- to 12-foot-tall, primary evergreen shrub in the Santa Monicas predominant chaparral ecosystem will reach a critically low live fuel moisture level of 71 percent July 13, with a one- to two-week margin of error. In most years, such vulnerability to ignition is not reached...

Cell receptor may lead to new 'biomarker' for pancreatic cancer

...ddition, the receptor was present in 79 percent of primary pancreatic cancers and 83 percent of metastatic cancers. UC researchers believe the RON receptors signaling pathways could be a key factor contributing to pancreatic cancer progression. Waltz says if the receptor could be blocked, it would give dru...

Female iguanas pay high costs to choose a mate

...minate the process of sexual selection, one of the primary forces driving evolution. ...

Sentinel lymph node biopsy is associated with breast cancer rates

...greater use of biopsies of sentinel lymph nodesthe primary lymph node to which cancer cells are likely to spread from a tumor. Sentinel lymph node biopsies often detect small numbers of tumor cells that do not necessarily indicate that the cancer has spread. While the use of [sentinel lymph node biopsy] in...

Other highlights in JNCI, June 26

...ected disease-free survivalas the most appropriate primary endpoint for future trials of adjuvant treatment for colon cancer or for any type of cancer. This endpoint was selected because it includes all clinically relevant events, has little opportunity for bias, is observed earlier than overall survival, an...

Omega-3 fatty acids protect eyes against retinopathy, study finds

...t by researchers at Childrens Hospital Boston, the primary pediatric teaching affiliate of Harvard Medical School, Brigham and Womens Hospital, Massachusetts General Hospital, the University of Goteborg in Sweden, and the National Eye Institute (NEI) and National Institute on Alcohol Abuse and Alcoholism (NI...

Pregnancy nausea/vomiting may indicate lower risk of breast cancer

...pregnancy-related conditions from 1,001 women with primary breast cancer and 1,917 women without breast cancer matched to cases by age and race who served as controls. Pregnancy is a time when the breast undergoes a variety of cellular and anatomical changes, said Jaworowicz. During this period, the breast...

New $1.16 million study investigates how dietary iron is used by cells

... the intermediary metabolism of iron is one of the primary objectives of a program announcement from NIH titled Metals In Medicine, he noted. This announcement encourages studies that lead to the identification and characterization of the macromolecular players and vesicular compartments involved in metal io...

Wright State scientist receives grant to help clean up polluted American harbors

...s of urban pollution in the country. One of the primary obstacles to correcting this problem is a lack of accurate and cost- effective ways to measure the pollution that is present to determine if clean-up is needed. The clean-up costs for these harbors and large rivers can be staggering, costing tens ...

Brain's inertial navigation system pinpointed

...he vestibular system in the inner ear provides the primary source of input to the brain about the bodys movement and orientation in space. However, the vestibular sensors in the inner ear yield information about head position only. Also, the vestibular systems detection of head acceleration cannot distinguis...

Burning fat and carbohydrate during exercise

...tems. During exercise and physical activity, the primary fuels used by muscles are carbohydrate and fat. When mild exercise is performed there is a tendency to burn relatively more fat and less glucose, but as exercise becomes more intense, a higher fraction of the energy demands of the muscle are supplied...

NSF funding to advance research on interplay between biology and society

...ce of Charles Darwin. Darwin's correspondence is a primary source for understanding the intellectual revolution in which he was the central figure. Because a central goal of the project is to disseminate Darwin's letters and associated materials as widely as possible, the researchers will maintain a large on...

Marine phytoplankton changes form to protect itself from different predators

...ronmental Protection Agency. Phaeocystis has two primary predators: small grazers such as ciliates, which prefer to eat small solitary cells that are four to six microns in diameter, and the larger shrimp-like copepods, which prefer to eat large, ball-shaped colonies. When copepods are attacking the phyt...

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(Date:10/25/2014)... , Oct.  22, 2014   MedNet Solutions , ... study management systems, is pleased to announce the 2014 ... event – to be held in Bloomington, ... track to have record attendance and promises to be ... The focus of the meeting is ...
(Date:10/25/2014)... LONDON , Oct. 22, 2014 This ... is a relatively new space in heavy pursuit of ... are unique to miRNAs compared to other RNA components. ... make it a novel candidate for use as a ... pursuit of miRNA-based microarrays and diagnostics for the advancement ...
(Date:10/25/2014)... , Oct. 22, 2014 A recent report, ... of the current and future genetic testing market. A ... types are covered in this report. On account of ... drivers; and existing strengths and challenges; forecast for genetic ... is likely to grow at a CAGR of around ...
Breaking Biology News(10 mins):MedNet Solutions To Host Third Annual iMedNet User Group Meeting 2MicroRNA: An Insight to miRNA-based microarrays, diagnostics and therapeutics Overview, Cambridge Healthtech Advisors 2Genetic Testing Market Outlook 2018 2
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