UF scientists reveal ancient origin of vertebrate skeleton
... the great-, great-, great-aunt descended from the earliest backboned animal," said Michael Miyamoto, Ph.D., a... zoology department. "Our question was whether the earliest vertebrates used a collagen recipe or a non-collagen recipe to form their skeletons, and by examinin...Yale early stage ovarian cancer detection technology licensed by LabCorp
...ost difficult cancers to detect, especially in the earliest stages when it is more treatable," said Myla P. Lai-Goldman, M.D., Executive Vice President, Chief Scientific Officer and Medical Director of LabCorp. "LabCorp continues to dedicate resources to identifying and commercializing tests to help discrimin...Magdalenian Girl is a woman and therefore has oldest recorded case of impacted wisdom teeth
The earliest recorded case of impacted wisdom teeth belongs to the renowned "Magdalenian Girl," a nearly complete 13,000- to 15,000-year-old skeleton excavated in France in 1911and acquired by The Field Museum in 1926. For years this rare, early anatomically mod...Common anti-convulsant drug may help slow the progression of dementia
...ain disease in animal and human populations. "The earliest sign of a brain disorder like HIV-related dementia is a change in metabolism of the brain's nerve cells," Dr. Boska said. "By using high-resolution magnetic resonance spectroscopy (MRSI), we were able to show a reverse change in metabolism in the bra...Troubling times for embryo gene tests
...nd chief clinician at Genesis, says that since the earliest days of his company 17 years ago, there have been only nine such instances out of several thousand tests conducted. "There is going to be an error rate in any diagnostics, and it's especially tricky in this instance," he says, because genetic testing...MiRNA fingerprint identified in platelet formation
...rson Cancer Center, examined miRNA activity in the earliest phases of platelet development. The researchers had previously uncovered substantial evidence linking certain patterns of miRNA to both normal and abnormal blood cell development, especially in diseases like chronic lymphocytic leukemia and lymphoma......processes were essential to the development of the earliest cellular life," added Raymond, "and the most basic, intrinsic reactions organisms need to survive persist today. For example, how we break down glucose (sugar) has been remarkably well conserved for billions of years." For higher life forms to evolve...'Accelerated evolution' converts RNA enzyme to DNA enzyme in vitro
...we understand it may have first evolved out of the earliest primordial mix of RNA-like molecules-sometimes referred to as the "pre-RNA world"-into a more complex form of RNA-based life (or the "RNA world") and eventually to cellular life based on DNA and proteins. Nucleic acids are large complex molecules tha...MSU researchers shake out basis for rice domestication
...our society," Sang said. "It is remarkable how the earliest farmers could have selected a single mutation in DNA to develop a major food crop of the world." The researchers first determined which chromosomal regions contained the mutations selected for rice domestication. Chromosome 4 was pegged as being resp...New Arctic fossils fill evolutionary gap between fish and limbed animals
...has a skull, neck, ribs and part of a fin like the earliest limbed animals, but also has fins and scales like ...ttened, triangular-shaped skull reminiscent of the earliest tetrapods. Although the lower jaws and snout have fish-like features, the rear portion of the skull...Newly found species fills evolutionary gap between fish and land animals
...e already there and working in ways similar to the earliest land-living animals." At the time that Tiktaalik lived, what is now the Canadian Arctic region was part of a landmass that straddled the equator. It had a subtropical climate, much like the Amazon basin today. The species lived in the small streams o...Markers of gene, protein, or micro-RNA activity predict outcome in prostate and colorectal cancers
...orectal cancer have surgery, but some, even at the earliest stages, could benefit from additional treatment - if physicians only knew who. Some of the genes and proteins specific to cancer cells can be used for prognostic purposes, as can the newest type of biomarker, mcro-RNAs, according to studies presented...Mutation in blood stem cells provides clues to cancer development
...rst step in developing treatments which target the earliest population of cells which propagate the disease." The research also provides more insight into why some patients develop leukemia or other malignancies, while others don't, by identifying determinant cancer genes and the signaling pathways leading to...New fossils fill the evolutionary gap between fish and land animals
..., neck, ribs, and parts of a fin that resemble the earliest limbed animals, called tetrapods. But the creature also has fins and scales like a fish. "This animal is both fish and tetrapod. We jokingly call it a fishapod," said Neil Shubin of the University of Chicago. He and paleontologists from the Academy o...Controversial findings help explain evolution of life
...e presence of water. So if water were present, the earliest DNA bases would have been able to survive and eventually help form the basis for ever-more-complex life forms. "In modern biological forms, it's not essential that water be present for DNA to have stability," Kong said. "There are other mechanisms th...Numerical processing similar in children and adults, brain scans reveal
.... Their comparative brain scan studies explore the earliest glimmerings of numerical processing in pre-school children. The researchers used the analytical technique of functional magnetic resonance imaging (fMRI) to show that a brain region called the intraparietal sulcus (IPS) is activated when both four-...Researchers trawl the origins of sea fishing in Northern Europe
...gists at the University of York will spotlight the earliest development of Europe's sea fisheries and, given the continuous expansion of sea fishing since the Middle Ages, the ultimate origin of today's fishing crisis. The three-year project, financed by the Leverhulme Trust and also supported by HMAP, the hi...A reunion between science and spirituality
... a profound resemblance to the visions held in the earliest spiritual traditions in which the physical world and spiritual experience were both aspects of the same reality and man and the universe were one." Speaking in universities and at conferences across America, Europe, and Asia, Laszlo advocates for glo...Novel molecular 'signature' marks DNA of embryonic stem cells
... cell to its descendants. Yet ES cells signify the earliest cellular ancestors, leaving the question of how epigenetic history first begins. The scientists found that bivalent domains coincide with characteristic DNA sequences, indicating that this molecular memory may originate from the DNA itself. "How the ...... DNA for nearly 400 million years long before the earliest dinosaurs appeared on Earth suggesting that nature needs to maintain an arginine at codon 206 to support the normal functions of cells, tissues, and organs. Now it will be important to develop an animal model with the same mutation in ACVR1 that is ...