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Antioxidants could provide all-purpose radiation protection
Two common dietary molecules found in legumes and bran could protect DNA from the harmful effects of radiation, researchers from the University of Maryland report. Inositol and inositol hexaphosphate (IP6) protected both human skin cells and a skin cancer-prone mouse from exposure to ultraviolet B (UVB) radiation, the damaging radiation found in... view more... (2007-11-05)
Stem cell therapy may offer hope for acute lung injury
Researchers at the University of Illinois at Chicago College of Medicine have shown that adult stem cells from bone marrow can prevent acute lung injury in a mouse model of the disease. view more (2009-10-29)
AN INTELLIGENT COMBINATION OF MATHEMATICS AND CELL BIOLOGY COULD SPELL DEATH TO BRAIN TUMOURS
Combining two separate observations of cells in brain tumours could enable doctors to improve the success rate of radiotherapy. Speaking today (23 January) at the Institute of Physics Simulation and Modelling Applied to Medicine conference in London, chemical engineer Dr Norman Kirkby from the University of Surrey will explain how using the... view more... (2002-01-23)
Genome research centre opens on University of Sussex campus
Eight teams of cancer researchers have moved into the first research laboratory to be built on the University of Sussex campus for 30 years. Researchers in the purpose-built Genome Damage and Stability Centre are working on the human body's most precious possessions - genomes - which contain the genetic blueprint that tells every part of the body... view more... (2002-04-15)
Novel mechanism for DNA replication discovered
Since the discovery of the structure of DNA by James Watson and Francis Crick in 1953, the paradigm for DNA replication has stated that the DNA itself codes for the appropriate pairings for replication. view more (2005-09-30)
Just a little squeeze lets proteins assess DNA
To find its target, all a protein needs to do is give quick squeezes as it moves along the DNA strand, suggests new research from The University of Arizona in Tucson. view more (2008-12-17)
Dual enzymatic activity of RECQ1 explained by different quaternary structures
The transient opening of the DNA double helix is a fundamental step in several DNA metabolic processes. This reaction is driven by proteins called helicases, which make use of ATP as fuel to unwind the DNA duplex. view more (2007-01-16)
UBC scientists find new way to extract diluted and contaminated DNA
University of British Columbia researchers have developed a new way to extract DNA and RNA from small or heavily contaminated samples that could help forensic investigators and molecular biologists get to "the truth." view more (2009-08-11)
Scientists uncover the potential to control adult stem cells
Research being presented today (10 April) at the UK National Stem Cell Network Annual Science Meeting in Edinburgh represents a step towards the use of Adult Stem Cells (ASCs) to repair damaged tissue. view more (2008-04-10)
Clawed frog helps Fanconi anemia research make leaps
A large, clawed frog is helping Oregon Health & Science University researchers gather a princely sum of knowledge on Fanconi anemia, a rare, genetic, cancer-susceptibility syndrome. view more (2006-01-25)
Evidence of rapid evolution is found at the tips of chromosomes
In terms of their telomeres, mice are more complicated than humans. That's the finding from a recent Rockefeller University study, which shows that mice have two proteins working together to do the job of a single protein in human cells. view more (2006-08-02)
Researchers Find Synthetic Molecules That May Literally Be The Key To “Locking Away” Unwanted DNA
Research chemists have a found a class of synthetic molecules that could quite literally act as a key which could lock away sections of DNA into a closely wound coil preventing proteins from interacting with particular sections of DNA code. By locking up the DNA in this way scientists could stop particular sequences of DNA from activating... view more... (2002-04-15)
Learning how the pieces responsible for interpreting the human genome work
The human genome complete sequencing project in 2003 revealed the enormous instruction manual necessary to define a human being. However, there are still many unanswered questions. There are few indications on where the functional elements are found in this manual. view more (2009-04-22)
Refusal of suicide order: Why tumor cells become resistant
Cells with irreparable DNA damage normally induce programmed cell death, or apoptosis. However, this mechanism often fails in tumor cells so that transformed cells are able to multiply and spread throughout the body. view more (2008-06-24)
Reduced mitochondrial function important mechanism in aging
Scientists at the Karolinska Institute have found that changes in the "powerhouse" of cells, the mitochondria, play a key role in aging. The findings are being published in this week's issue of the journal Nature. Mitochondria, which provide energy to cells, have their own set of DNA. Mutations of mitochondrial DNA increase with age,... view more... (2004-05-27)
Important new model shows how proteins find the right DNA sequences
Researchers at Uppsala University and Harvard University have collaboratively developed a new theoretical model to explain how proteins can rapidly find specific DNA sequences, even though there are many obstacles in the way on the chromosomes. view more (2009-03-16)
Scripps research team creates simple chemical system that mimics DNA
A team of Scripps Research scientists has created a new analog to DNA that assembles and disassembles itself without the need for enzymes. view more (2009-06-12)
Researchers identify major source of muscle repair cells
In a surprising discovery with implications for treating muscular dystrophy, researchers at the University of Utah School of Medicine and other institutions have identified a major source of origin for two groups of adult cells that regulate muscle repair. view more (2006-01-30)
Immune system response to viral DNA is unique
The human body has a unique immune system response to foreign DNA, suggesting that DNA viruses and RNA viruses are detected by different mechanisms. view more (2006-01-25)
A new cellular pathway linked to cancer is identified by NYU researchers
In the life of a cell, the response to DNA damage determines whether the cell is fated to pause and repair itself, commit suicide, or grow uncontrollably, a route leading to cancer. view more (2008-07-25)
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