The ultimate spa: embryonic body wash controls left-right development
...the left side of the body. This sets up a chemical concentration gradient that tells stem cells how and where to develop. The remarkable findings, including movie footage of the 'pump,' are published in the May 20th edition of the journal Cell. Juan Carlos Izpisa Belmonte and his colleagues studied the ventral nod...UCSD research reveals mechanism involved with type of fatal epilepsy
...e caused by mutations in a gene that regulates the concentration of the protein laforin. These findings are reporte...lly interacts with laforin and regulates laforin's concentration by marking it for degradation. Their results show that approximately 40 percent of patients with Laf...Vampires beware: Scripps scientists describe molecular basis of raw garlic's pungency
...tively than the compounds derived from it, and the concentration of allicin in raw garlic activates TRPA1 and TRPV1. Intriguingly, TRPA1 and TRPV1 are both more than just receptors that communicate hot and cold temperatures or the pungency of garlic to the brain. These receptors also communicate p...Study links brain fatty acid levels to depression
...ported by research showing that omega-3 fatty acid concentration in the blood of depressed patients is lower than that in control patients. "The "phospholipid hypothesis" of depression postulates that decreased omega-3 fatty acid intake, and hence, perhaps decreased brain omega-3 fatty acid content, could be respo...From sound analysis to nicotine addiction
...ved worldwide. These oversized cities, with a high concentration of population, infrastructure and capital accompanied by excessively accelerated development, lead to increasing social fragmentation and become increasingly difficult to control and govern. The consequence is that more and more processes are allowed...New research provides evidence that Rh proteins act as CO2 gas channels
...pplemented with 3 percent CO2, about 100 times the concentration normally found in air. When the algae were grown i... of carbon dioxide like those found in humans. The concentration of CO2 in human breath is as high as 5 percent. The Rh protein's role in CO2 transport makes sense g...Cell's power plants also sense low oxygen
...te energy to power the cell -- also monitor oxygen concentration in the cell. If oxygen slips below a critical threshold, the mitochondrial "sensor" triggers protective responses to promote survival. Understanding how the cell senses and protects itself against hypoxia (low oxygen) has both important basic and cli...Raisins as a functional food for oral health
...ntrations ranging from about 4 to 1,000 g/ml. At a concentration of 31 g/ml, oleanolic acid also blocked S. mutans adherence to surfaces. Adherence is crucial for the bacteria to form dental plaque, the sticky biofilm consisting of oral bacteria that accumulates on teeth. After a sugary meal, these bacteria relea...Space measurements of carbon offer clearer view of Earth's climate future
...locked up in the Earth, is well known the overall concentration of this leading greenhouse gas has increased by a ...he carbon inversions we perform where we take the concentration of CO2 in the atmosphere and follow it backward to try and identify sources. We could also use the i...New study demonstrated add-on effects of ACTOS (pioglitazone HCl)
... 1.1 percent (P=0.040), HDL-C: Mean HDL particle concentration increased 3.8 μmol/L, and mean levels of Apo A1, a...ticle size increased 0.23 nm and mean LDL particle concentration decreased 189 nmol/L, indicating there were fewer LDL particles and they were larger and more buoyan...Scientists devise way to measure RNA synthesis on the fly in a live cell
...owly. From the speed of motion, "we can infer the concentration of RNA present inside the detection volume and a single living cell," said Thuc Le, a graduate student in Biochemistry & Molecular Biology and the lead author of the PNAS paper. This new technique will now facilitate research that may reveal how RNA...'Biosensor' screens Air Force personnel and equipment
...ay, or LCD, provides a quantitative readout of the concentration of targeted material present, and a set of red, yellow, and green light emitting diodes provides an easily interpreted reading of the threatlevel. For instance, "no threat" is green, a barely detectable to medium level of an agent is one or two yello...Purdue scientists may have found key to halting spinal cord damage
...ccurring low levels, it becomes hazardous when its concentration increases, as it often does in tissue that experie...olein has long been known to cause cancer when its concentration in the body rises, and not much is needed to be dangerous. When a person inhales smog or tobacco smo...Deep sea algae connect ancient climate, carbon dioxide and vegetation
...he relationship between the global climate and the concentration of carbon dioxide in the atmosphere during the late Eocene and Oligocene was largely unknown," said Pagani, who is recognized for his reconstruction of past atmospheric carbon dioxide levels between 25 million and eight million years ago. They also p...UC Davis researchers discover receptor pathway for C-reactive protein and its effects
...to reduced blood supply to the heart. Reducing the concentration of CRP with drugs, such as statins, has been shown to reduce cardiovascular events. Treating other risk factors such as smoking, obesity, high blood pressure with angiotensin receptor blockers and diabetes with thiazolidinediones and metformin are al...Antibiotics help combat dangerous tropical disease
...roup the rate was 89%. In the doxycyclin group the concentration of specific worm proteins in the blood fell by over half. Effective, cheap, few side-effects 'The importance of these findings for therapy should not be underestimated,' Professor Hrauf emphasises. 'The mature worms are after all responsible for s...DNA constraints control structure of attached macromolecules
...peting RNA and DNA structures is controlled by the concentration of magnesium ions, Silverman said. In work not yet published, the researchers have also shown that the effects of the DNA constraint on the RNA structure can be modulated by external stimuli such as DNA oligonucleotide strands, protein enzymes and ch...Viagra shows potential vasopressin-independent cGMP signaling in certain diabetes
...rt time period, only a small effect on final urine concentration was found. Long-term studies need to now be carrie...vasopressin receptor's mutations that affect urine concentration was a chance to understand the role of some amino acids or sequence motifs on this protein in cell p...... single process stream from cell growth to protein concentration and characterization. Crystal Production and Delivery: The researchers will use robotic instrumentation for large-scale multi-sample screening crystallization; introduce new methods to efficiently monitor crystal growth; and develop new cryofreezing ...