Ophthalmologists implant five patients with artificial silicon retina microchip
...with retinitis pigmentosa, these patients all have severe narrowing of their visual fields down to a very small central circle, and all patients in the study are legally blind," says Pollack. The Artificial Silicon RetinaTM (ASR) was invented by Dr. Alan Chow, pediatric ophthalmologist and Rush faculty memb...Scientists find microRNAs regulate plant development
...go1 mutants lacking the AGO1 protein have numerous severe developmental defects, supporting the notion that regulation by microRNAs is critical for normal plant growth. Dr. Catherine Bellini at The Swedish University of Agricultural Sciences in Ume, Sweden and colleagues at several other institutions notice...Newly discovered genetic disease sheds light on body's water balance
... the kidneys excrete water excessively, leading to severe dehydration. "To our knowledge, this is the only r...dium in their blood. The first child suffered from severe irritability. A few months later, the second infant was admitted with generalized seizures. Doctors ...Seeing what protein C is all about
...ere was thus a need to develop an animal model for severe ProC deficiency. This has been difficult since ProC knockout mice embryos do not survive the neonatal period and cannot be studied as adults. In a study appearing online on 5 May in advance of the print publication of the June issue of the Journal...Children at risk, says Illinois agricultural economist who helped assess the world's ecosystem
...es and agriculture. Fresh water supplies are under severe pressure in some parts of the world." The main frustration for Nelson was the lack of reliable information. "What I found most shocking was just how bad our information set is on something like the expansion of agricultural land," he said. "One would...As world warms, vegetation changes may influence extreme weather
... can change how often extreme events occur and how severe they are," he said. "We also know that climate cha...ure and precipitation events, such as droughts and severe storms." Using a climate model at the University of California-Santa Cruz, where he was previously a...Ocean climate predicts elk population in Canadian Rockies
...n most of western North America, but it means more severe weather in the mountain regions, where climate is ...n. Hebblewhite noted that positive NPO values and severe weather in the Canadian Rockies are occurring more frequently, and the trend is likely related to gl...Clincal trials indicate NEXIUM can reduce upper GI symptoms in patients using NSAIDS
...astrointestinal (GI) symptoms such as moderate to severe pain, burning and discomfort in the upper abdomen ...nt patient-assessed scale (0 = no pain to 6 = very severe pain), for example, the average change in pain score among NSAID users over 4 weeks was 2.30 (20 mg)...Disabling gene defuses rheumatoid arthritis in mice
...g stiffness, fatigue and joint and muscle pain. In severe cases, rheumatoid arthritis can damage cartilage, tendons, ligaments and bone, leading to joint deformity and instability. Rheumatoid arthritis has long been recognized as a condition that involves defensive cells from the body's immune system mista...Managing maternal depression during pregnancy presents significant challenge to clinicians
...generally resolve in about two weeks, a number are severe enough to require neonatal intensive-care unit (NI...apy and even mechanical ventilation," she said. "A severe syndrome with dehydration, mechanical ventilation or seizures occurred in less than 1 percent of cas...Science study holds implications for gene therapy and stem cell biology
...tested in well-controlled clinical trials to treat severe inborn diseases or cancer in humans. Retrovirus-b...ral, experiment with related gene vectors to treat severe inborn disorders or cancer. There continues to be an increasing interest in gene therapy research wi...Brain may be less plastic than hoped
...mpensate for injuries is well known. Children with severe epilepsy who lose an entire hemisphere during surgery can regain motor control on the affected side of their body and go on to develop normal language skills. But in adults, the case for brain plasticity has been less clear. A series of studies in t...Lack of coherent cloning policies reflects polarized debate, limited understanding, study says
... die in utero or soon after birth, or survive with severe birth defects. In fact, few cloning attempts are successful. Abnormalities are wide-ranging and can include heart, liver, kidney, immune system, and brain defects. Using a nucleus from an adult cell requires it to be "reprogrammed" into behaving like...Tendency to hair loss inherited from the mother
... searching for more volunteers. "Men under 40 with severe hair loss can take part," Dr. Kruse says. "If they have a brother who is affected and the parents are also prepared to give blood samples, so much the better. Volunteers taking part in the study will, of course, be paid for their assistance."...The lopsided brain: Attention bias is shared by humans and birds
...rain's right hemisphere can experience a much more severe bias in their spatial attention--spatial hemineglect--in which the entire left side of the visual world seems nonexistent as the brain performs spatial tasks. In a classic example, a patient asked to draw a daisy can only manage to put petals on the ...Protein prevents detrimental immune effects of bacterial sepsis
...y protect patients from the detrimental effects of severe inflammatory response syndrome, as reported by researchers at Barts and the London, Queen Mary's School of Medicine and Dentistry. The paper by Damazo et al., "Critical protective role for annexin 1 gene expression in the endotoxemic murine microcir...Scientists journey to southern Africa to unravel the secret world of elephant communication
...n investigating the possibility that newborns with severe hearing loss could have their hearing improved by exposure to vibrational stimulation shortly after birth. A companion article appears in the May issue of National Wildlife magazine....Major losses projected for earthquake on little-known fault under Los Angeles
...st in U.S. history. The damage would be especially severe due to the fault's location under Los Angeles County and adjacent to Riverside and San Bernardino counties. In addition the fault runs under older, more vulnerable commercial and industrial structures. By contrast, the most heavily shaken areas in th......to five years, there have been more reports of the severe neurological disorder associated with equine herpes. "It appears we are seeing it with more frequency and in a larger number of horses," he said. Previous studies on horses have found the inactivated vaccines are not very effective in lowering equine......e are blind and another 150 million are victims of severe visual disability. Now research offering a better understanding of the genetics controlling endemic eye diseases will be advanced by an international collaboration between Cardiff University's School of Optometry and Vision Sciences and the Departm...