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Tag: "result" at biology news

Scientists ID molecular 'switch' in liver that triggers harmful effects of saturated and trans fats

...lism through a cascade of biochemical signals. The result is an upsurge in the liver's production of very low-density lipoprotein (VLDL) cholesterol, the precursor of low-density lipoprotein (LDL) cholesterol (known as the "bad" form of cholesterol) and triglycerides ?another fatty substance ?that are secre...

Spleen may be source of versatile stem cells

...et cells - were actually producing new islets. The result suggestedthat the adult spleen - previously regarded as playing a fairly minorrole in regenerative medicine - might contain a population of potentialislet stem cells.In their pursuit of that finding, the MGH researchers investigated thepossible prese...

Genes In The Interferon System Important In Systemic Lupus Erythematosus

... now been further reinforcedby new findings­ - the result of multidisciplinary and internationalcollaboration involving world experts on the interferon system,immunology, and the disease SLE, combined with world leaders in thetechnology for large-scale genetic analyses and statistics. The geneticand statist...

Quantum Dots Research Leads to New Knowledge about Protein Binding in Plants

..., chemistry and plant biology.The findings are the result of an interdisciplinary research teamincluding Sathyajith Ravindran of the Chemical and EnvironmentalEngineering Department; Sunran Kim, Rebecca Martin and Elizabeth M.Lord of the Botany and Plant Sciences Department; and Cengiz S. Ozkanof the Mechan...

Enzyme, lost in most mammals, is shown to protect against UV-induced skin cancer

... changes in the DNA(mutations) that ultimately can result in the onset of skin cancer.Thus far it was not clear how the two major types of UV-induced DNAlesions ?cyclobutane pyrimidine dimers (CPDs) and (6-4)photoproducts(6-4PPs) ?contribute to the processes of cell death and cancerformation. Identifying th...

Yellowstone microbes fueled by hydrogen, according to U. of Colorado study

...ear explained that the hot springs' colors are the result ofinteractions between minerals and the microbes living in the pools.Hotter water usually shows colors from minerals, and cooler water playshost to photosynthetic pigments."Based on what I've seen in this analysis, I think hydrogen probablydrives a l...

Dysentery uses 'sword and shield' to cause infection

...ometimes able to evolve although it is unlikely to result in new treatments or vaccines for dysentery. In this case, the dysentery bacteria has evolved into a highly effective and dangerous infection." ...

Poor prenatal nutrition permanently damages function of insulin-producing cells in the pancreas

...ages vessels." In addition, many other factors can result in intrauterine growth restriction and low birth weight. The Joslin study, published in the March edition of Diabetes, reinforces what scientists have known from previous studies in humans: Infants with low birth weight -- typically defined as under...

Drug That 'Tags' Decision-making Areas Of The Brain May Aid

...ive exposure to specific drugs. Thesebehaviors all result from the formation of new connections betweenindividual neurons or modifications of existing connections in thebrain.“Imaging of nicotine receptors also gives us the potential to study whysome people are more addicted to nicotine than others,?Mukherj...

Mouse brain cells rapidly recover after Alzheimer's plaques are cleared

...y acellular transport problem, or do the swellings result from theplaques' effects on nearby support cells? Or is it something else?"...

Key molecule in plant photo-protection identified

...y acellular transport problem, or do the swellings result from theplaques' effects on nearby support cells? Or is it something else?"...

Recent breakthroughs in common adult leukemia highlighted in New England Journal of Medicine

...ndeed turn over, with the accumulation over time a result of the difference in the birth and death rates of the leukemia cells. Scientists have also since discovered that CLL is not a uniform disease but rather a disease that follows two distinct clinical courses in patients. Some patients require no treat...

Study Demonstrates Gene Expression Microarrays are Comparable and Reproducible

...acting the RNA, or scanning the microarrays, could result indifferent profiles.To test the feasibility of multi-lab microarray studies, the NCI’sDirector’s Challenge program set up this preliminary study to compareresults between labs. Twelve different tumor tissues, five cancer celllines, and five purified...

Study Links Ebola Outbreaks To Animal Carcasses

...s between Gabon and the Republic of Congo were the result of handling infected wild animal carcasses, according to a study by the Wildlife Conservation Society (WCS) and its regional partners. Appearing in the February edition of the journal Emerging Infectious Diseases, the study found that many animal car...

Enzyme allows B cells to resist death, leading to leukemia

...d that in the early stagesof disease, B-CLL is the result of an undefined defect in theprogrammed signals that trigger normal B cell death (apoptosis). LivioTrentin and colleagues from Padua University School of Medicine nowdemonstrate that high levels of expression and altered cellularlocation of an enzyme...

BRCA1 causes ovarian cancer through indirect, biochemical route

...ding," Dubeau says, "is that ovarian cancer is the result of some biochemical problem that may be correctable or preventable. That's what makes this finding so exciting." Dubeau points out that women with BRCA1 mutations are also predisposed to cancers of the fallopian tubes, and that the mice with mutated...

Needling Chromosomes Reveals Cell Division Secret

..." Nicklas said that eventhe smallest misstep could result in broken needles, stretchedchromatids or ripped-apart cells. However, he said, Paliulis masteredthe delicate technique and performed numerous experiments pulling thechromatids apart at different points along their length and atdifferent times during...

Scientists discover the cellular roots of graying hair

... cells withinthe hair follicle, and graying is the result of “incomplete maintenanceof melanocyte stem cells.?The research was supported by the National Institutes of Health, andNishimura received funding from The Shiseido Award in 2002 and TheCharles A. King Trust of Fleet National Bank and The MedicalFoun...

Fundamental Finding Yields Insight into Stem Cells, Cancer; Opens Door to Drug Discovery

... cells withinthe hair follicle, and graying is the result of “incomplete maintenanceof melanocyte stem cells.?The research was supported by the National Institutes of Health, andNishimura received funding from The Shiseido Award in 2002 and TheCharles A. King Trust of Fleet National Bank and The MedicalFoun...

Scientists rid stem cell culture of key animal cells

...fferentiated stem cells in the absence of BMP. The result was that "the cells looked perfect." Xu says he has grown the resulting stem cells in the desired undifferentiated state for almost a year. Although the new work "dramatically reduces the possibility of contamination" from animal pathogens, Xu warns...

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