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Tag: "isolating" at biology news

New Technique for Tracking Gene Regulators

...?relatively quickly and in very largenumbers.After isolating the CREB-bound fragments, they release the CREB andthen cut the DNA with a “restriction?enzyme that recognizes aparticular nucleotide base sequence, CATG. Further manipulation of thecut ends allows them to isolate 20-base-long-fragments, or “tags,?in...

New protein discovered by Hebrew University researchers

...sity ofJerusalem have succeeded in discovering and isolating a new proteinfrom the poplar tree with special structural and qualitativecharacteristics that could have consequences for development of futurenanocapsules for drug delivery to cancer cells.In addition to being obtained from plant tissue, the protein...

NC State scientist finds soft tissue in T. rex bones

... N.C. Museum of Natural Sciences, has succeeded in isolating soft tissue from the femur of a 68-million-year-old dinosaur. Not only is the tissue largely intact, it's still transparent and pliable, and microscopic interior structures resembling blood vessels and even cells are still present. In a paper publis...

The death of a very special chimpanzee

...sity ofJerusalem have succeeded in discovering and isolating a new proteinfrom the poplar tree with special structural and qualitativecharacteristics that could have consequences for development of futurenanocapsules for drug delivery to cancer cells.In addition to being obtained from plant tissue, the protein...

UCSD team discovers specialized, rare heart stem cells in newborns

...cardiogenic precursors suggests the feasibility of isolating isl1+ cardiac progenitors from mouse and human embryonic stem cell systems during cardiogenesis." "We think that these cells normally play an important role in the remodeling of the heart after birth, when the newborn heart no longer relies upon the...

UCLA launches $20 million stem cell institute to investigate HIV, cancer and neurological disorders

...engineered for this strategy to avoid the need for isolating patients' cells, ease transplantation and increase clinical usefulness. * Cancer: Research will seek to shed more light on cancer stem cells and how they develop. Not much is known about cancer stem cells and new findings may lead to therapies t...

Scientists generate patient-specific stem cells, Science study says

...aboratory procedures. Currently, the procedure for isolating non-reproductive cells for the nuclear transfer method involves animal enzymes and serum. In a Science "Policy Forum" related to the team's latest findings, David Magnus and Mildred Cho from Stanford University in Palo Alto, CA discuss international...

SuperLigands - a database of ligand structures derived from the Protein Data Bank

...aboratory procedures. Currently, the procedure for isolating non-reproductive cells for the nuclear transfer method involves animal enzymes and serum. In a Science "Policy Forum" related to the team's latest findings, David Magnus and Mildred Cho from Stanford University in Palo Alto, CA discuss international...

Recombinant DNA technology may enable oral, rather than injectable, delivery of protein drugs

...ite of action." The next step, Shen explains, was isolating the genetic code for G-CSF, a protein factor that stimulates white blood cell production in the body. G-CSF is used to make Neupogen(r) and Neulasta(r) - injectable drugs that work to keep an individual's white blood cell count at normal levels durin...

Scientists succeed in cloning human embryos from eggs matured in the lab

...emature loss of eggs or sperm. We would do this by isolating embryonic stem cell lines from cloned early embryos and driving these embryonic stem cells to develop into eggs and sperm in the laboratory." However, Mr Heindryckx warned that there was a long way to go and many problems to overcome before he and h...

Invitrogen Launches i-Path -- A Unique Systems Biology Platform at BIO 2005

...emature loss of eggs or sperm. We would do this by isolating embryonic stem cell lines from cloned early embryos and driving these embryonic stem cells to develop into eggs and sperm in the laboratory." However, Mr Heindryckx warned that there was a long way to go and many problems to overcome before he and h...

Sleeping beauty plays a significant role in identifying cancer genes

...ancer-causing genes and caused a tumor to form. By isolating and studying the genes from tumors that contained Sleeping Beauty, researchers were able to efficiently find genes linked to cancer by seeing whether Sleeping Beauty turned them on or off -- in effect, uncovering the fingerprint of each tumor's cance...

World-first technology enables study of ancient bacteria

...e sustainable energy sources from the ocean bed by isolating ancient high-pressure bacteria from deep sediments. Scientists and engineers at Cardiff University are investigating bacteria from deep sediments which despite high pressures (greater than 1,000 atmospheres), gradually increasing temperatures (from ...

Stem cell microenvironment reverses malignant melanoma

...ur observations highlight the potential utility of isolating the factors within the hESC microenvironment responsible for influencing tumor cell fate and reversing the cancerous properties of metastatic tumor cells, such as melanoma," said Mary J. C. Hendrix, in whose laboratories at Children's Memorial Resear...

Rutgers researchers scientifically link dancing ability to mate quality

...as been hard to study because of the difficulty of isolating dance movements from variables, such as attractiveness, clothing and body features. By using motion-capture technology commonly employed in medical and sports science to isolate dance movements, we can confidently peg dancing ability to desirability....

Leading lampreys to slaughter: Pheromone for scourge of Great Lakes identified

... or 35 millionths of an ounce. Much of the work in isolating and purifying the pheromone was performed by Sorensen's graduate student Jared Fine, while Vadims Dvornikovs, Christopher Jeffrey and Feng Shao in Hoye's lab were integral to synthesizing the key component, called PADS. The chemical structure of PADS...

Jefferson scientists identify gene defect leading to abnormal skin development and cancer

... or 35 millionths of an ounce. Much of the work in isolating and purifying the pheromone was performed by Sorensen's graduate student Jared Fine, while Vadims Dvornikovs, Christopher Jeffrey and Feng Shao in Hoye's lab were integral to synthesizing the key component, called PADS. The chemical structure of PADS...

The bioweapon is in the post

...oxin ?although many of these are also available by isolating the microorganisms from the environment. Virulence genes are typically no more than a few thousand base-pairs long. Their sequences are publicly available, so screening gene-synthesis orders for potential bioweapons shouldn't pose a huge challenge. ...

Technique speeds up detecting, treating wound bacteria

...d most clinical laboratories are not proficient in isolating and identifying anaerobes, which often predominate." Using DNA detection methods though a technique called real-time polymerase chain reaction, the physician-researcher from the West Los Angeles Veterans Administration Medical Center can drasticall...

Bioengineered tissue implants regenerate damaged knee cartilage

...sue engineering method used in this study involved isolating cells from healthy cartilage removed during surgery from 23 patients with an average age of 36 years. After growing the cells in culture for 14 days, the researchers seeded them onto scaffolds made of esterified hyaluronic acid, grew them for anothe...

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