Enzymatic Activity Current Events | Enzymatic Activity News
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Possible genetic basis for alcohol abuse discovered
Alcoholism seems to have its roots at least partly in the genes. How genetic factors contribute to alcohol abuse is still an important question to be solved. There are hints that the body produces an opiate-active compound that may enhance alcohol addiction. New studies at the University of Bonn suggest that a gene is at least partly responsible... view more... (2001-04-18)
Mechanisms that prevent Alzheimer's Disease: Enzymatic activity plays key role
In a project involving the collaboration of several institutes, research scientists of the Johannes Gutenberg University Mainz have succeeded in gaining further insight in the functioning of endogenous mechanisms that protect against the development of Alzheimer's disease. view more (2009-02-24)
MIT researchers reverse symptoms in mice of leading inherited cause of mental retardation
Researchers at the Picower Institute for Learning and Memory at MIT have, for the first time, reversed symptoms of mental retardation and autism in mice. view more (2007-06-26)
Nanoreactors for Reaction Cascades
Living cells are highly complex synthetic machines: Numerous multistep reactions run simultaneously side by side and with unbelievable efficiency and specificity. For these mainly enzymatic reactions to work so well collectively, nature makes use of a variety of concepts. view more (2007-08-21)
Enzymatic reaction rate surprises researchers
Enzymatic reactions, which are crucial in biological processes, can occur much faster than previously thought possible, as researchers at the biophysics department of the Faculty of Exact Sciences of the Vrije Universiteit Amsterdam have discovered. Their findings were published on line on 5 May in Nature Structural Biology (www.nature.com/nsb).... view more... (2003-05-07)
Generation of a severe memory-deficit mutant mouse by exclusively eliminating the kinase activity of CaMKIIalpha
Ca2+/calmodulin-dependent protein kinase II alpha (CaMKII alpha) is an enzyme that adds phosphates to a variety of protein substrates to modify their functions. view more (2009-06-19)
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)
Novel enzyme offers new look at male hormone regulation
For the second time in less than a year, University of North Carolina at Chapel Hill scientists have purified a novel protein and have shown it can alter gene activity by reversing a molecular modification previously thought permanent. view more (2006-05-08)
GUMC discovery highlights new direction for drug discovery
In a discovery that rebuffs conventional scientific thinking, researchers at Georgetown University Medical Center (GUMC) have discovered a novel way to block the activity of the fusion protein responsible for Ewing's sarcoma, a rare cancer found in children and young adults. view more (2009-07-06)
Preservation of fresh-cut vegetables; a producer's and consumer's sake
In recent years, new food packaging concepts have been developed to respond on consumption trends towards mildly preserved, fresh convenient food products. Fresh-cut vegetables are an example of fresh-like, healthy convenience foods, developed in the '80s in the UK. Their market is yearly increasing with 25% in West Europe. Packaging fresh-cut... view more... (2002-03-19)
Advances in the characterisation of the oyster mushroom genes
The oyster mushroom (Pleurotus ostreatus), apart from reducing cholesterol and having anticancerogenic properties, is characterised for its capacity for breaking down cellulose. Finding out which genes are responsible for this activity - the reason why the fungus is sometimes used as a decontaminating agent, was the aim of the PhD thesis by... view more... (2005-03-15)
Brain DNA 'remodeled' in alcoholism
Reshaping of the DNA scaffolding that supports and controls the expression of genes in the brain may play a major role in the alcohol withdrawal symptoms, particularly anxiety, that make it so difficult for alcoholics to stop using alcohol. view more (2008-04-02)
Researchers get closer to preventing Alzheimer's disease
A recent study directed by Mount Sinai School of Medicine identifies a faulty molecule in the brain found in cases of mild cognitive impairment (MCI). view more (2006-07-06)
Genetic abnormality may increase risk of blood disorders
Researchers at Memorial Sloan-Kettering Cancer Center (MSKCC) have shown for the first time that a tendency to develop some blood disorders may be inherited. view more (2009-03-16)
Cancer: Another step towards medication
The gene Myc is an important factor for the growth of organisms by cell division. It causes the production of a protein which, as a transcription factor, controls the expression of up to 15 % of all human genes. view more (2009-03-18)
'Invisible' bacteria dupe the human immune system
Scientists at the University of York have characterised an important new step in the mechanism used by bacteria to evade our immune system. view more (2008-02-20)
'Warrior Gene' Predicts Aggressive Behavior After Provocation
Individuals with the so-called "warrior gene" display higher levels of aggression in response to provocation, according to new research co-authored by Rose McDermott, professor of political science at Brown University. view more (2009-01-21)
Measuring certain enzyme activity in urine shows promise for detection of bladder cancer
Measurement of an enzyme level (telomerase activity) in urine appears useful for detection of bladder cancer in men. view more (2005-10-26)
Arsenic remedy for arsenic poisoning? - Homeopathic solutions for a global catastrophe
A homeopathic remedy made from arsenic oxide could ease the suffering of the hundreds of millions of people at risk from arsenic poisoning worldwide. Research, published this week in BMC Complementary and Alternative Medicine, suggests that Arsenicum Album reduces the liver damage caused by arsenic poisoning. Arsenic contamination of groundwater... view more... (2003-10-17)
Link identified between age, cardiovascular disease
Researchers in the Linus Pauling Institute at Oregon State University have discovered a fundamental mechanism that causes aging blood vessels to lose their elasticity - a literal "hardening of the arteries" that is often a prelude to high blood pressure and cardiovascular disease. view more (2006-11-06)
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