Spliceosomal fidelity
The study found that deleting yeast gene ISY1 increases splicing reaction efficiency and improves 3'-splice site accuracy. The researchers believe Isy1 regulates spliceosomal conformation to ensure accurate pre-mRNA splicing.
Science News for August 14, 2005
Scientists link vascular gene to Alzheimer's disease
Researchers discovered that a vascular gene plays a crucial role in the growth of blood vessels in brain cells. Restoring its expression level stimulates new vessel formation and improves clearance of amyloid beta peptide, a toxin associated with Alzheimer's disease.
The body's biological clock: alcohol may lead to physiological anarchy
Alcohol intake can alter circadian rhythms, influencing heart rate, blood pressure, hormone levels, and immune function. Disruptions to the 'biological clock' within the body may result in 'physiological anarchy,' with widespread pathology.
Tadpole soon to help in the fight against cancer and lymphedema
Researchers have identified tadpoles as a suitable model system for studying the lymphatic vessel network, essential for regulating fluid in the body and supporting the immune system. This breakthrough could lead to new solutions for illnesses caused by faults in the lymphatic vessel network, including cancer and lymphedema.
Anxiety disorders can compromise success of alcohol-dependence treatment
Co-occurring anxiety disorders, particularly social phobia and panic disorder, increase the risk of relapse to drinking. Screening for these conditions is essential in alcoholism treatment settings.
Gradient guides nerve growth down spinal cord
A team of researchers at the University of Chicago has identified a gradient of biochemical signals, including Wnt proteins and Ryk receptor, that guide nerve growth down the spinal cord. This discovery offers new insights into how to repair or replace damaged nerves in adults.
Prenatal alcohol exposure can lead to lasting changes in cognitive processing
A recent study found that prenatal alcohol exposure can lead to slower processing speed and efficiency, particularly in tasks requiring working memory. Children exposed prenatally to moderate-to-heavy levels of alcohol may struggle with complex cognition and social interactions as they age.
Family environment is a significant predictor of adolescent obesity
A new ASU study reveals family environment plays a crucial role in adolescent obesity, highlighting the importance of parental control over diet and limiting sedentary activities. Strong social bonds between parents and children can also contribute to weight gain.
Customized Y-shaped carbon nanotubes can compute
Researchers at UCSD's Jacobs School of Engineering have successfully fabricated a transistor-like structure using customized Y-shaped carbon nanotubes, exhibiting rapid switching speeds and three-way gating capability. This breakthrough could lead to the development of new nanotechnology devices with improved functionality.
Roots of epilepsy may lie in oft-ignored brain cells
Researchers found that astrocytes can generate seizure activity by releasing the brain chemical glutamate, which hypes up neurons and causes them to fire uncontrollably. This discovery offers new hope for treating epilepsy by targeting overlooked brain cells instead of just reducing brain function.
Personality traits and craving among pathological gamblers and alcoholics
The study found that gamblers and alcoholics have unique personality traits affecting their cravings, with gambling craving linked to positive emotions and alcohol craving tied to negative emotions. The research suggests that individuals with distinct emotional regulation patterns are more vulnerable to addiction.
Money can buy you happiness but only relative to your peer's income
A recent study by Dr. Firebaugh found that relative income is more important than absolute income in determining individual happiness in the US. The hedonic treadmill hypothesis suggests that continued income growth can lead to an ongoing consumption race where individuals consume more to maintain a constant level of happiness.