Newly created cancer stem cells could aid breast cancer research
...critical determinant of eventual metastasis is the identity of the normal cell type that preexists in the breast and becomes the object of mutation and selection, Weinberg says....UK scientists working to help cut ID theft
...ld equally be used in a domestic context to reduce identity theft by helping to secure bank accounts or corpor...ers when paying by credit or debit card could make identity fraud more difficult. With a range of approaches and technologies available for biometric recognit...U-M team identifies gene that regulates blood-forming fetal stem cells
...o what stem cells really are, what regulates their identity and how their age-specific functions work," Morrison said. That information could lead to new treatments for degenerative diseases. Stem cells generate all of the tissues in the developing human body and later in life provide replacement cells when...Manchester University helps with pharaoh DNA analysis
... have promising preliminary results suggesting the identity of the queen. Dr Corthals, who is based at Manch... is expected to help resolve such mysteries as the identity of the mummy of Tuthmosis I: Is it really the mummy of the mighty warrior-king of the 18th dynasty o...EPA foregoes opportunity to improve nanotechnology oversight
...t different nanostructures with the same molecular identity present different hazards. Nanotechnology is a rapidly growing sector of the economy that will represent an estimated $2.6 trillion in manufactured goods by 2014, or about 15 percent of global manufactured goods output. In addition to the TSCA docu...NIEHS researchers identify enzyme critical in DNA replication
...t are critical for genome stability, including the identity of the lagging strand polymerase and the roles of more specialized DNA polymerases in copying damaged DNA. According to Pursell, a researcher in the DNA Replication Fidelity Group at NIEHS and first author on the paper the studys findings advance ...New method for reading DNA sheds light on basis of cell identity
...estions. Our understanding of the basis of cell identity the way that a liver cell knows that it is different from a skin cell has been rather vague, much like our understanding of heredity was prior to our knowledge of DNA, said Broad Institute director Eric Lander, a co-senior author of the study. The ...A small leak will sink a great ship
...roRNA, is crucial for the control of floral organs identity (Nature Genetics, June 24, 2007). Flowers of high...pecies mutation in the same gene conferred altered identity to the floral organs. This gene turned out to code for a microRNA, a small ribonucleic acid consisti...Specialized, bone-crushing wolves of Alaska disappeared long ago
...rth America at that time. To further explore the identity of Alaskas ancient wolves in the new study, the researchers collected skeletal remains of the animals from Pleistocene permafrost deposits of eastern Beringia and examined their chemical composition and genetic makeup. Remarkably, they discovered t...Study identifies 5 genetic themes key to keeping stem cells in a primitive, flexible state
...d that understanding how stem cells maintain their identity is key to the emerging field of regenerative medicine. These findings may help us to understand how the key genes which control cell fate are regulated, and how, when dysregulated, they can lead to disease. This may ultimately allow us to develop tar...Human genetic 'deserts' are teeming with significant life
...n the sequence can be used to its best effect, the identity and precise location of all the protein-encoding and non protein-encoding genes in the genome will have to be determined. The notion that mammalian transcriptomes [the set of all messenger RNA molecules produced in a population of cells] are made of...Reprogrammed fibroblasts identical to embryonic stem cells
...Nanog. These two hallmarks for embryonic stem cell identity are only active in fully pluripotent cells. The trick would be to figure out a way to harvest Oct4- and Nanog-active cells from the rest of the population. The answer came in the form of a laboratory technique called homologous recombination. Here...Existence of muscle-building stem cells points to regenerative therapies for muscular disease
...h about the mechanisms controlling satellite cells identity and development had remained uncertain, Rudnicki said. Earlier studies had even suggested that satellite cells might originate from muscle cells that had essentially regressed, or dedifferentiated, to a more primitive developmental state. In the ne...Bigelow Laboratory Scientists develop new approach to study marine microbes
...es in each cell, including those that reveal cells identity and those that tell us what biochemical reactions the cell is capable of performing", said Dr. Stepanauskas. The publication "Matching phylogeny and metabolism in the uncultured marine bacteria, one cell at a time," is a result of the researchers ...DOE JGI sets 'gold standard' for metagenomic data analysis
...Humpty Dumpty back together again, to recreate the identity of an organism from the scattered puzzle pieces of DNA. "One of the problems in assembling metagenomes," said Mavrommatis, "is that you end up with large fragments of unknown accuracy and a substantial number of sequences that fail to fit onto tho...Keeping the immune system from starting a 'food fight'
...ut fight against food. Now, researchers report the identity of a nutrient "floodgate" that serves to protect against such an inflammatory immune response. Their findings appear in the May 4, 2007 issue of the journal Cell, a publication of Cell Press. The researchers found that animals lacking a protein enr...Lab-on-a-chip device from Berkeley Lab to speed proteomics research
...t steps in proteomics research is to determine the identity and modifications of individual proteins that make up a cell or tissue sample. The principal means of doing this is through mass spectrometry. Mass spectrometers use a combination of ionization and magnets to separate a proteins constituent peptide...Stem cell identity in culture may strongly depend on the cellular microenvironment
...tions and computer simulations, that the stem cell identity in culture may strongly depend on the cellular microenvironment. These observations are in line with the currently emerging view that differentiation is context dependent rather than a pre-programmed attribute of the cells. In practice, this work ...Scientists unlock secret of what makes plants flower
...ot apex, where flowering is induced. However, the identity of the long-distance signal remained unclear. This new research, carried out by scientists at Imperial College London and the Max Planck Institute for Plant Breeding Research in Cologne, has led to the proposal that this signal is a protein known ...Atlas of Science Literacy completes mapping of science-learning pathways
...ependence of life; The human organism, from human identity and development, to basic functions of the human body; Human society, including group behavior and political systems; The designed world from materials science to health technology; The mathematical world of numbers, shapes and reasoning; Histori...