Tag: "nuclear" at biology news
Mouse stem cell line advance suggests potential for IVF-incompetent eggs
..." during a subsequent cloning step using so-called nuclear
transfer. Although the implications for human eggs...ss in the very first stages of cloning compared to nuclear
transfer with fresh oocytes, the early (morulae- or blastocyst-stage) mouse embryos derived from nuc...
ALTRAN: Industry experts address technology challenges at Altran Innovation Conference
...networks, clean and sustainable surface transport, nuclear
fission and fusion, hydrogen fuel and fuel cells amongst others. In his address to the conference, Mr du Chaisemartin highlighted the need to improve the environment for attracting and maintaining talented researchers and experts in Europe. He ad...
UCSB study on sibling detection mechanism highlighted in Nature
...s boundaries regarding sexual relations within the nuclear
family. Questions have persisted, however, regarding the means by which humans recognize family members -- particularly siblings -- as close genetic relatives. A team of researchers at the University of California, Santa Barbara, has found evidence...
New hope for regenerative medicine
...mbryonic stem cell lines generated by somatic cell nuclear
transfer (also known as therapeutic cloning). Normal mammalian embryos inherit one set of chromosomes from the mother, and one set from the father. Embryos that inherit both sets of chromosomes from the same parent are not viable. They can, howeve...
Winners of the 2006 AAAS Science Journalism Awards
...look at the ongoing efforts to understand and tame nuclear
fusion, a field in which overly optimistic projections have led some critics to joke that fusion is the energy source for the future and always will be. Kathy Sawyer, a freelance science writer formerly with The Washington Post , called the winning ...
Free public events at the 2007 AAAS Annual Meeting
...ology and policy, global environmental change, and nuclear
arms control and nonproliferation. Technology Innovator Larry Page , Title to be announced , Friday, 6:30 p.m. Page was Googles founding CEO and grew the company to more than 200 employees and profitability before moving into his role as preside...
Mice cloned from skin cells
...g been expected that they may be better sources of nuclear
material for the cloning technique used by Fuchs and her colleagues, known as nuclear
transfer. Fuchs, Mombaerts, and their coworkers are the first to successfully and reproducibly clone...
Scientists clone mice from adult skin stem cells
...can be used to clone mice using a procedure called nuclear
transfer. The findings are reported in the Feb. 12...ntists have focused so much attention toward using nuclear
transfer, which would allow us to use adult stem cells from the same patient rather than those harve...
EO Lawrence Award goes to 8 scientists and engineers
...ical to the quality of predictions of the nation's nuclear
weapons stockpile reliability and thus to the nati...ed on irradiation damage to materials required for nuclear
fission and fusion reactors and for space reactor technologies....
Improved imaging for identifying breast cancer in overweight women
...dicine. Lymphoscintigraphy (a commonly performed nuclear
medicine procedure that makes the lymphatic system...ast cancer," noted Hedva Lerman, vice chair of the nuclear
medicine department at Tel-Aviv Sourasky Medical Center in Israel. Failure to identify sentinel node...
Taking heart failure to the MAT1
...xisome proliferator activated receptors) and other nuclear
receptors to promote better metabolism are a very active area of study. Finding an essential partner of PGC-1 alpha and beta that enables them to switch genes on via these receptors should be helpful in that kind of work."...
Timing is everything
...y. Dr. Johan Auwerx and colleagues report that the nuclear
receptor, SHP, controls both testosterone synthesis and germ cell differentiation in male mouse testis. The researchers found that mice deficient for SHP displayed an earlier onset of fertility, due to an absence of the normally repressive effects of...
Duke geologist's book assails unrealistic mathematical models
...ural processes such as beach erosion and long-term nuclear
waste storage creates a false sense of security, a...sments of the unfinished Yucca Mountain high-level nuclear
waste site in Nevada, the U.S. government has used a "pyramid" of hundreds of quantitative mathemati...
'Biomimetic Technologies' project will create first soft-bodied robots
...y of movement, help in hazardous environments like nuclear
reactors and landmine detection, and squeeze more efficiently into tight spaces." In addition to Trimmer and Kaplan, Assistant Professors Robert White, mechanical engineering, and Sameer Sonkusale, electrical and computer engineering, will supervis...
Porous Media and its Applications in Science, Engineering and Industry
...at pipes, underground spreading of chemical waste, nuclear
waste repository, geothermal engineering, grain st..., direct contact heat exchangers, coal combustors, nuclear
waste repositories, and heat pipe technology. Several applications related to porous media require...
Linheng Li Lab documents the development of cancer stem cells
... regulates stem cell activation by helping control nuclear
localization of beta-catenin, the Wnt pathway effector, through phosphorylation of beta-catenin -- including Serine552. "We found that a loss of PTEN in intestinal epithelial cells accompanied by a loss of PTEN in stromal cells can lead to change...
Microtubule protein interactions visualized en masse
...ase. The cell rounds up, chromosomes condense, the nuclear
envelope breaks down, and microtubules (proteins that help maintain the cell's shape) become very short and dynamic before assembly of the mitotic spindle (the structure that pulls chromosomes apart). Although it is known that the CDK1 kinase induces...
Hofmeyr skull supports the 'Out of Africa' theory
...orld. However, other genetic studies (generally on nuclear
DNA) argue against this African origin and exodus model. Instead, they suggest that archaic non-African groups, such as the Neandertals, made significant contributions to the genomes of modern humans in Eurasia. Until now, the lack of human fossils o...
Novel regulation of the common tumor suppressor PTEN
...function of PTEN is now quite well understood, its nuclear
functions have been elusive. Looking at a family ... that the patients' colon cancer strikingly lacked nuclear
PTEN. The Pandolfi and Jiang labs showed that the PTEN mutation in these patients prevented the ad...
Radiation degrades nuclear waste-containing materials faster than expected
Minerals intended to entrap nuclear
waste for hundreds of thousands of years may be su...n. 11) in the journal Nature. The new study used nuclear
magnetic resonance, or NMR, to show that the effects of radiation from plutonium incorporated into t...
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