Cell Division Current Events | Cell Division News | 7
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Faulty cell cycle checkpoints linked to lung cancer risk in African-Americans
Faulty cell cycle "checkpoints" that fail to respond to DNA damage effectively may contribute to the high incidence of lung cancer in African-Americans. view more (2005-10-17)
Study identifies 5 genetic themes key to keeping stem cells in a primitive, flexible state
For more than 25 years, stem cells have been defined based on what they can become: more of themselves, as well as multiple different specialized cell types. view more (2007-06-20)
Microtubule protein interactions visualized en masse
In a new study published online in the open access journal PLoS Biology, Philipp Niethammer, Eric Karsenti, and colleagues investigate the regulation of microtubule dynamics via application of their new method, called visual immunoprecipitation (VIP), which enables simultaneous visualization of multiple protein interactions in cell extracts. view more (2007-01-16)
Human beta cells can be easily induced to replicate, according to study in Diabetes
Researchers at the University of Pittsburgh School of Medicine have successfully induced human insulin-producing cells, known as beta cells, to replicate robustly in a living animal, as well as in the lab. view more (2009-01-14)
Scientists discover stage at which an embryonic cell is fated to become a stem cell
Cambridge scientists have discovered the stage at which some of the cells of a fertilised mammalian egg are fated to develop into stem cells and why this occurs. view more (2007-01-11)
Treatment of Down syndrome in mice restores nerve growth in cerebellum
Researchers at Johns Hopkins restored the normal growth of specific nerve cells in the cerebellum of mouse models of Down syndrome (DS) that were stunted by this genetic condition. view more (2006-01-25)
New research findings may enable earlier diagnosis of uterine cancer
Cancer is a genetic disease. It occurs when changes take place in the genes that regulate cell division, cell growth, cell death, cell signalling and blood vessel formation - either due to mutations caused by external factors such as smoking or radiation - or due to inherited changes. view more (2009-01-28)
New nanotoxicology study delivers promising results
Findings by a team of researchers from Oak Ridge National Laboratory and the University of Tennessee bode well for using single-walled carbon nanohorns, a particular form of engineered carbon-based nanoparticles, for drug delivery and other commercial applications. view more (2007-08-20)
Brainy genes, not brawn, key to success on mussel beach
It's hard being a mussel: you have to worry about hungry starfish and even hungrier humans, not to mention an environment that can change your body temperature 50 degrees Fahrenheit in just a few hours. view more (2008-10-10)
NEW TECHNIQUE SHOWS DEATH OF HEART CELLS IN HEART-ATTACK PATIENTS (P 209)
In this week's issue of THE LANCET, researchers from the Netherlands describe a new imaging technique capable of pinpointing areas of cell death in the hearts of patients who have had an acute myocardial infarction (heart attack). In acute myocardial infarction, the blood supply to part of the heart is cut off. When blood flow is restored, heart... view more... (2000-07-12)
2-protein team would be lost without each other
Just as a hard-charging person sometimes needs a calming partner to be more effective, so it is with a pair of critical proteins that promote cell division and growth in the rapidly expanding root tip of plants. view more (2007-04-20)
Theory shows mechanism behind delayed development of antibiotic resistance
Inhibiting the "drug efflux pumps" in bacteria, which function as their defence mechanisms against antibiotics, can mask the effect of mutations that have led to resistance in the form of low-affinity drug binding to target molecules in the cell. view more (2009-05-06)
Scientists uncover mode of action of enzyme linked with several types of cancer
Scientists at the Institute for Research in Immunology and Cancer (IRIC) of the Université de Montréal have discovered a key mechanism used by cells to efficiently distribute chromosomes to new cells during cell multiplication. view more (2009-06-04)
Rare disorder gives modelers first glimpse at immune system development
Children born without thymus glands have given Duke University Medical Center researchers a rare opportunity to watch as a new immune system develops its population of infection-fighting T-cells. view more (2009-06-17)
Caltech researchers explore how cells reconcile mixed messages in decisions about growth
The cells in our body are constantly receiving mixed messages. For instance, an epithelial cell might be exposed to one signal telling it to divide and, simultaneously, another telling it to stop dividing. view more (2009-06-19)
Penn study finds pro-death proteins required to regulate healthy immune function
Researchers at the University of Pennsylvania School of Medicine have found that proteins known to promote cell death are also necessary for the maturation and proliferation of immune cells. view more (2007-08-13)
'Nurse cells' make life and death decisions for infection-fighting cells
"Nurse cells" play an important role in deciding which developing infection-fighting cells, called T cells, live and which die, according to research funded by the National Science Foundation (NSF) and reported in the June issue of the journal Experimental Biology and Medicine. view more (2007-05-31)
German researchers make significant strides in identifying cause of bacterial infections
Several bacterial pathogens use toxins to manipulate human host cells, ultimately disturbing cellular signal transduction. Until now, however, scientists have been able to track down only a few of the proteins that interact with bacterial toxins in infected human cells. view more (2009-04-23)
Iron induces death in tumor cells
Rapid growth of cancer cells and their frequent divisions have their price: Cancer cells need considerably more energy than healthy cells. view more (2009-03-11)
Chromosomal chaos in early embryonic development is linked to abnormalities in cytokinesis and spindle formation
Berlin, Germany: Abnormalities in the spindles (the bi-polar thread like structures that link and pull the chromosomes during cell division) of human embryos before implantation may be the primary reason for many of the chromosome defects observed in early human development, a scientist said on Wednesday 30 June 2004 at the 20th annual conference... view more... (2004-06-29)
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