Tag: "copies" at biology news
Viruses may one day help treat brain tumors
..., or replicated, poorly. "Instead of making 1,000 copies
of itself, it might only make 10," Chiocca says. The virus therefore had only a weak ability to kill cancer cells and shrink tumors. For this study, Saeki, Kambara and Chiocca restored the virus's ability to replicate at high levels by returning one ...
A kiss that binds
...he unusual amplification of a CGG repeat (over 200 copies
in affected patients versus less than 60 copies
in unaffected individuals) that leads to hypermethylation of FMR1 and shut down of transcription of ...
Brain scans reveal how gene may boost schizophrenia risk
...lve a dopamine imbalance. Individuals inherit two copies
(one from each parent) of the gene for the enzyme ...sks. Earlier studies had shown that inheriting two copies
of the more common val version leads to a slightly higher risk for schizophrenia and a signature pat...
National Academies advisory: Stem cell guidelines to be released at April 26 briefing
... http://nationalacademies.org . REPORTERS: Obtain copies
or register to attend by contacting the Office of .... 202-334-2138 or e-mail firstname.lastname@example.org . Advance copies
of the report will be available to reporters only beginning at noon EDT on Monday, April 25. THE RE...
Scientists track 'stealth' DNA elements in primate evolution
...vity has led to the generation of over one million copies
of Alu elements in the human genome, making them t...In this model, mutations occurring in the "master" copies
have rendered themselves capable of substantial propagation and persistence over time. However, pri...
Risk assessments urged for fish escaping from net-pen aquaculture
...ute of Biological Sciences. Journalists may obtain copies
of the article by contacting Donna Royston, AIBS communications representative. BioScience publishes commentary and peer-reviewed articles covering a wide range of biological fields. The journal has been published since 1964. AIBS is an umbrella orga...
Fundamental genes regulate human blood stem cells
... stem cell (HSC) that has the ability to make more copies
of itself or differentiate into progenitors that then form red blood cells, various types of white blood cells, or platelets. Blood cells must be constantly renewed throughout the lifetime of an animal, so control and regulation of HSCs is critical f...
Study identifies possible marker for efficacy of gefitinib in lung cancer patients
...ung cancer (NSCLC) whose tumor cells contain extra copies
of the epidermal growth factor receptor (EGFR) gen...mpared with patients with a low number or no extra copies
of the EGFR gene. A similar association was found for patients with high protein expression (58 of 9...
Biologists determine genetic blueprint of social amoeba
...ad to loss of genes as well as the modification of copies
of old genes. As each new genome is sequenced, we learn more about the history and physiology of the progenitors and gain insight into the function of human genes." In 1989, Loomis and Kuspa, then a postdoctoral fellow in Loomis' laboratory, initiat...
Mosaic mouse technique offers a powerful new tool to study diseases and genetics
... event could cause an offspring to inherit two bad copies
of the gene, which would result in a mutant cell. This process simultaneously activates the green fluorescent protein, which turns the mutant cell green. "If there is no recombination, there are neither green nor mutant cells," Luo explains. "So even...
New NSF-AAAS report highlights 'learning communities,' other STEM educational strategies
...ns/books_reports/CCLI/ . A limited supply of print copies
are available to working reporters (contact the press officers listed above). Non-reporters also may obtain printed copies, while supplies last, for $19.95 (for more than five copies, please inquire about shipping and handling costs). Non-reporters, ...
Depression gene may weaken mood-regulating circuit
...sequence across individuals. Everyone inherits two copies
of the gene, one from each parent, which comes in ...the amygdala-cingulate circuit than those with two copies
of the long variant. Next, using functional magnetic resonance imaging (fMRI), the researchers monit...
Scientists inhibit cancer gene
...o 30 percent of human tumors. Called Ras, normal copies
of this gene are important in cell signaling, or communication among cells. When mutated, however, Ras is an "oncogene" or cancer-causing gene that has been shown to promote the growth of cancers in the pancreas, colon and lung, as well as thyroid ca...
Gene 'archeology' gets easier using Carnegie Mellon University software
...the cell. In vertebrates, for instance, extra gene copies
led to features like paired appendages. New genes ...y help the organism to fight back. Over time, gene copies
also can be lost. "You could use this information to plan additional gene studies or suggest strat...
Engineers improve plastic's potential for use in implants by linking it to biological material
...attach to immobilized polypyrrole, using synthetic copies
of it made at the university's Institute for Cellu... how well T59 clings to polypyrrole. They attached copies
of the peptide to the tip of an atomic force microscope at the university's Center for Nano- and Mol...
Lack of coherent cloning policies reflects polarized debate, limited understanding, study says
... Public Policy Center, www.dnapolicy.org . Print copies
are available by mail from the letterhead address....
BioMed Central applauds Wellcome's leadership on Open Access
... researchers receiving Wellcome funding to deposit copies
of resulting research articles in an Open Access archive. The Trust announced its Open Access policy on 19 May. "For too long, funders have stood by as the results of scientific and medical research have been handed over to traditional publishers, wh...
Study: 'homemade' gene expression technology unreliable
...f individual genes is turned up or down by placing copies
of DNA or RNA molecules labeled with fluorescent d..."It's possible to buy a robot which will take some copies
of RNA on a small pin and then write that on a glass slide repetitively until one can build up hundr...
PET/CT can identify new cancer lesions at early stage, allowing for prompt treatment
...ound online at http://jnm.snmjournals.org . Print copies
can be obtained at $20 per copy by contacting the SNM Service Center, Society of Nuclear Medicine, 1850 Samuel Morse Drive, Reston, VA 20190-5316; phone 800-513-6853; e-mail email@example.com ; fax 703-708-9015. A subscription to the journal is ...
Launch of BMC Veterinary Research
...published articles will be included in PubMed, and copies
of the articles will be deposited in PubMed Central and other internationally recognized Open Access repositories. The BMC Veterinary Research website is live, and the journal is now accepting submissions at http://www.biomedcentral.com/bmcvetres ....
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