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Sub-optimal sleep may activate depressive genes, increase risk for major depression
Date: Feb-04-2014A genetic study of adult twins and a community-based study of adolescents both report novel links between sleep duration and depression. The studies are published in the journal Sleep."Healthy sleep is a necessity for physical, mental and emotional well-being," said American Academy of Sleep Medicine President Dr. M. Safwan Badr. "This new research emphasizes that we can make an investment in our health by prioritizing sleep."A study of 1,788 adult twins is the first to demonstrate a gene by environment interaction between self-reported habitual sleep duration and depressive symptoms.
Teacher stress and burnout reduced by Transcendental Meditation
Date: Feb-04-2014A new study published in The Permanente Journal (Vol. 18, No.1) on health showed the introduction of the Transcendental Meditation® technique substantially decreased teacher stress and burnout.Research indicates that stress and burnout are pervasive problems among employees, with teachers being especially vulnerable to feeling frequent stress from their jobs. Burnout, a syndrome of emotional exhaustion, depersonalization, and job dissatisfaction, has been found to contribute to lower teacher classroom performance and higher absenteeism and job turnover rates.
Protocol developed to harvest mouse cell lines for melanoma research
Date: Feb-04-2014Dartmouth researchers have developed a protocol that permits cells harvested from melanoma tumors in mice to grow readily in cell culture. Their findings were published in an article, Multiple murine BRafV600E melanoma cell lines with sensitivity to PLX4032, in the journal Pigment Cell & Melanoma Research."We anticipate that these cell lines will be extremely useful to many investigators who use mouse melanoma as a model system," said Constance E.
Stem cell signal linked with cancer growth
Date: Feb-04-2014Researchers at the University of California, San Diego School of Medicine have identified a protein critical to hematopoietic stem cell function and blood formation. The finding has potential as a new target for treating leukemia because cancer stem cells rely upon the same protein to regulate and sustain their growth.Hematopoietic stem cells give rise to all other blood cells.
How brain regions work together, or alone
Date: Feb-04-2014Our brains have billions of neurons grouped into different regions. These regions often work alone, but sometimes must join forces. How do regions communicate selectively?Stanford researchers may have solved a riddle about the inner workings of the brain, which consists of billions of neurons, organized into many different regions, with each region primarily responsible for different tasks.The various regions of the brain often work independently, relying on the neurons inside that region to do their work.
How brain regions work together, or alone
Date: Feb-04-2014Our brains have billions of neurons grouped into different regions. These regions often work alone, but sometimes must join forces. How do regions communicate selectively?Stanford researchers may have solved a riddle about the inner workings of the brain, which consists of billions of neurons, organized into many different regions, with each region primarily responsible for different tasks.The various regions of the brain often work independently, relying on the neurons inside that region to do their work.
Endurance training may be hampered by Vitamin C and E supplements
Date: Feb-04-2014Vitamin C and E supplements may blunt the improvement of muscular endurance - by disrupting cellular adaptions in exercised muscles - suggests a new study published in The Journal of Physiology.As vitamin C and E supplements are widely used, understanding if they interfere with cellular and physiological adaptations to exercise is of interest to people exercising for health purposes as well as to athletes.
Endurance training may be hampered by Vitamin C and E supplements
Date: Feb-04-2014Vitamin C and E supplements may blunt the improvement of muscular endurance - by disrupting cellular adaptions in exercised muscles - suggests a new study published in The Journal of Physiology.As vitamin C and E supplements are widely used, understanding if they interfere with cellular and physiological adaptations to exercise is of interest to people exercising for health purposes as well as to athletes.
Our bodies kill 'spontaneous' blood cancers on a daily basis: discovery could lead to development of early diagnostic test
Date: Feb-04-2014Immune cells undergo 'spontaneous' changes on a daily basis that could lead to cancers if not for the diligent surveillance of our immune system, Melbourne scientists have found.The research team from the Walter and Eliza Hall Institute found that the immune system was responsible for eliminating potentially cancerous immune B cells in their early stages, before they developed into B-cell lymphomas (also known as non-Hodgkin's lymphomas). The results of the study were published in the journal Nature Medicine.
Our bodies kill 'spontaneous' blood cancers on a daily basis: discovery could lead to development of early diagnostic test
Date: Feb-04-2014Immune cells undergo 'spontaneous' changes on a daily basis that could lead to cancers if not for the diligent surveillance of our immune system, Melbourne scientists have found.The research team from the Walter and Eliza Hall Institute found that the immune system was responsible for eliminating potentially cancerous immune B cells in their early stages, before they developed into B-cell lymphomas (also known as non-Hodgkin's lymphomas). The results of the study were published in the journal Nature Medicine.
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