Tag: "profiles" at biology news

Ancient underground fractures may threaten ground water supplies

... scientists surveyed Ohio soil profiles and found that at least 55 of Ohio's 88 counties have underground fractures that could affect the purity of ground water. "We onc...

Metabolism in women after weight loss varies from that of never overweight women

...ht after previous obesity have different metabolic profiles than women who have never been overweight. This study by Raben et al. provides comparative information on metabolic reactions to either a high-fat, high-starch or high-sucrose diet. The participants included 18 normal-weight women, of whom 8 were p...

Energy-restricted diets shown to be best for improving lipid profiles

...centrations of serum lipids. Overall, plasma lipid profiles differed after diets based on reductions in fat, e...diet offered the most positive alteration of lipid profiles through favorable changes in HDL-cholesterol, triacylglycerol concentrations, and HDL:LDL ratios. ...

Fathers of Finland

...Moreover, the relative prevalence of these two SNP profiles appears to vary between the Western and the Northern/Eastern Finns and subgroups of the Saami. These results support the idea that two separate groups settled Finland and point to shared genetic structure between the Finns and the Saami....

Gene defect in toxin clearance associated with pre-eclampsia in pregnancy

...ampsia. But there was no difference in the genetic profiles of those who had and did not have the syndrome. In most circumstances, say the authors, epoxide hydrolase prevents reactive substances in the body from damaging cells, but studies have shown that the enzyme can also activate other harmful compounds. ...

University of Pittsburgh researchers identify subtype of cell that promotes organ transplant acceptance

... as part of a larger effort to identify laboratory profiles and tests consistent with tolerance. Through the Immune Tolerance Network, an ambitious undertaking supported by the National Institutes of Health and Juvenile Diabetes Foundation International, Dr. Thomson and Adriana Zeevi, Ph.D., are leading this ...

U-M scientists reveal prostate cancer's molecular fingerprint. Study links proteins to patient prognosis.

...ly 200 genes or gene fragments in which expression profiles varied consistently, depending on whether the tiss...ementary DNA microarrays to assess gene expression profiles in four types of tissue. These included normal prostate tissue from men with and without prostate ca...

Switching on the fly genome

...Researchers hope that SAGE can be used to generate profiles of disease cells, creating new diagnostic tools an... relevance. One hope is that SAGE will help create profiles of diseases. In cancers and infections, cells undergo significant changes in patterns of gene activi...

Gene chips bring new order to lung cancer types, could yield sharper diagnoses, better drugs

...x mathematical analyses, the tumor samples genetic profiles can be compared side-by-side in a visual display. Those with similar genetic off-on patterns are assigned to similar categories. In general, the major categories of lung cancers defined by the gene analysis corresponded to the traditional pathologic...

Scientists using gene chips identify a unique form of leukemia

...ta from the Human Genome Project to obtain genetic profiles of different cancers that is, determining which genes in the cancer cell are active and which are not as a way of classifying and diagnosing them. Traditionally, scientists have categorized cancers on the basis of what body organs they originated ...

Researchers distinguish new type of leukemia

...udies, the scientists compared the gene expression profiles of MLL and ALL cells using a commercial DNA microa...The researchers concluded that the gene expression profiles show that ALLs possessing a rearranged MLL have a highly uniform and distinct pattern that clearly d...

Scientists to examine DNA of George Washington trees

...and for other horticultural endeavors. The genetic profiles determined by the Forest Service's laboratory will be used to authenticate clones of these historically important individual trees, ensuring they will be recognized and protected in the future, Norton said. He acknowledges that the eventual establish...

February media highlights - GSA Bulletin

...locations between widely spaced seismic-reflection profiles and sparse bedrock exposures indicated by geologic mapping. Thus mapped, we relate the active strand of the Seattle fault zone to the 1997 earthquake and to a young topographic scarp observed on Bainbridge Island. The aeromagnetic data confirm the ex...

USF presents new research on hyperlipidemic children

...ree-day food records were obtained and lipoprotein profiles were measured. Serum was assayed for PON1 activity and DNA was isolated for PON1 genotyping. PCR primers previously characterized for amplification of the PON1 gene polymorphism were synthesized and amplifications were performed. Plasma PON1 activ...

Darwin's Time Machine: Scientists begin predicting evolution's next step

...we can observe significant increases in resistance profiles in just a decade," says Miriam Barlow, a doctoral student in Hall's laboratory. "This provides the unique opportunity to actually observe the process of evolution as it happens." The results matched well. Certain mutations developed in the lab improv...

Other highlights in the April 3 issue of JNCI

... Identified Researchers have used gene expression profiles to identify a marker of colon cancer progression through a method called sample pooling. The results appear in the April 3 issue of the Journal of the National Cancer Institute . Common changes in a gene expression profile can signal tumor progressi...

U-M scientists find new genetic marker for prostate cancer

...ementary DNA microarrays to assess gene expression profiles in four types of tissue. These included normal prostate tissue from men with and without prostate cancer, tissue with benign changes, localized prostate cancer and aggressive, metastatic cancer. Tissue samples were obtained from the U-M Prostate Spe...

New process speeds protein separation

...tware also make it possible to see how the protein profiles of drug-treated cells change over time or with various drug dosages. "We've also been looking at cancer progression," Lubman adds. "In breast cancer, for example, we're trying to see how cellular proteins change as a cell goes from being a normal ce...

Cola soft drinks satisfy hunger as well as orange juice or 1% milk

...ange juice, cola, and sparkling water, on temporal profiles of hunger, fullness and desire to eat, measured at 20 minute intervals post consumption. The study was based on 32 normal-weight, non-dieting young adults. All beverages were provided in 20 oz. portions. Energy consumption and food choices at the ...

Ten new candidate genes associated with salt sensitivity and hypertension are identified in rats

...rities and dissimilarities between transcriptional profiles using repetitive hierarchical and non-hierarchical.... Clusters may then be compared by transcriptional profiles from different tissues, diseases or disease states, to identify common and distinguishing gene expre...

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