Articles with the keyword: 
New Cell Division Mechanism Discovered
piggy submitted, created time 3 weeks 2 days (www.sciencedaily.com)
ScienceDaily (Oct. 29, 2008) — A novel cell division mechanism has been discovered in a microorganism that thrives in hot acid. The finding may also result in insights into key processes in human cells, and in a better understanding of the main evolutionary lineages of life on Earth. The study is published October 28 in the online version the American National Academy of Sciences. 
Too Good to Be True? Fat That Keeps You Thin
sea-maid submitted, created time 1 month 4 weeks (www.sciam.com)
Scientists have stumbled on a chemical in the body that could one day prevent or reverse diseases linked to obesity.
Researchers at Harvard University's School of Public Health (H.S.P.H.) report in Cell that palmitoleate, a newly discovered hormone produced by fat cells, is also a fatty acid. (Most hormones are proteins
Laminin builds up neuromuscular synapses
sea-maid submitted, created time 2 months 6 days (esciencenews.com)
Like a plug and a socket, a nerve and a muscle fiber mesh at the neuromuscular junction. New work by Nishimune et al published in the Journal of Cell Biology reveals that an extracellular matrix protein called laminin shapes both...
Apoptosis: Killing neutrophils the cathepsin way
davidd submitted, created time 6 months 3 weeks (www.signaling-gateway.org)
Cathepsin D directly cleaves and activates caspase-8 at the beginning of a pro-apoptotic pathway in neutrophils, showing how apoptosis can be activated in the absence of death-receptor ligation.
cytokinesis unveiled: forming the furrows
sea-maid submitted, created time 6 months 3 weeks (www.jcb.org)
This paper is about a monopolar HeLa system which is used to determine how the cytokinetic furrow is created. From the research,the author tells us that splitting mitotic cells in two is not the one-way signaling road it once seemed, based on evidence from Hu et al.
Updates on p53: modulation of p53 degradation as a therapeutic approach
DanyC submitted, created time 10 months 1 week (www.nature.com)
"The p53 pathway is aberrant in most human tumors with over 50% expressing mutant p53 proteins. The pathway is critically controlled by protein degradation. Here, we discuss the latest developments in the search for small molecules that can modulate p53 pathway protein stability and restore p53 activity for cancer therapy."
Cell biology sideshow draws a crowd
Eric wu submitted, created time 11 months 2 weeks (www.nature.com)
“Talent is not a pre-requisite,” said Kerry Bloom, a cell biologist at the University of North Carolina in Chapel Hill, minutes before he judged Cell Slam, a scientific sideshow that drew a crowd of more than 500 cell biologists during their society’s annual meeting. “Spirit — that’s what we want.”
Switching genomes converts bacteria
annatto submitted, created time 1 year 4 months (www.sciencenews.org)
The researchers say they hope to use this new technique to swap a bacterium's DNA for an artificial genome that they will assemble from scratch, thus creating the first synthetic life form. As well as helping scientists explore fundamental cell biology, such custom-made microbes could eventually be designed to produce biofuels and medicines efficiently.
Stem cell identity in culture may strongly depend on the cellular microenvironment
medal submitted, created time 1 year 6 months (www.biologynews.net)
"Identification, isolation and large scale culture of stem cells for potential medical applications is a major challenge in cell biology. In an upcoming PLoS ONE paper, researchers, including Andras Paldi, in Genethon (Evry, France) report, on the basis of experimental observations and computer simulations, that the stem cell identity in culture may strongly depend on the cellular microenvironment."
The sturdier sex? -- Study by Pittsburgh scientists finds female stem cells work better
amanda submitted, created time 1 year 7 months (www.biologynews.net)
"Female stem cells derived from muscle have a greater ability to regenerate skeletal muscle tissue than male cells, according to a study at Children’s Hospital of Pittsburgh of UPMC."
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