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Science News Archive 2006


Page 119 of 178

JCI table of contents: May 1, 2006

Researchers identify EP1R as a key player in failed asthma treatments, revealing its interaction with beta2-adrenergic receptors. The discovery opens up new avenues for developing selective drugs to treat severe asthma in individuals who don't respond to current therapies.

Enzyme inhibitor may help lower cholesterol and unclog arteries

A study found that HDL from CETP-deficient individuals promotes enhanced cholesterol efflux from macrophages through an apoE- and ABCG1-dependent pathway. This finding raises hope for using a CETP inhibitor to elevate HDL levels and reduce the incidence of atherosclerosis.

Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Obesity levels in US are grossly underestimated

A study by Harvard T.H. Chan School of Public Health found that people in the US tend to underestimate their weight and overestimate their height, leading to inaccurate obesity rates. The research suggests that Southern states have the highest levels of obesity, with Texas and Mississippi topping the list for men and women.

Minimally invasive approach can take the pain out of herniated disks

Researchers are developing a minimally invasive procedure to treat herniated disks, eliminating the need for incision. The new approach uses X-ray guidance to insert a needle directly into the disk, removing the problematic nucleus and providing relief from pressure on nearby nerves and inflammation.

MIT nanoparticles may help detect, treat tumors

Researchers have developed a technique using iron oxide nanoparticles to group together in cancerous tumors, creating masses detectable by MRI machines. This method has the potential to replace traditional treatments like radiation or chemotherapy with fewer side effects.

Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Perfectionist fathers can reinforce tendencies

A Penn State study found that perfectionist fathers can reinforce negative eating habits in their sons and daughters, which can lead to anorexia and other clinical illnesses. The researchers suggest that treating maladaptive eating disorders requires a focus on the patient's relational network, including communication with parents.

Maternal difficulties may increase risk of behavior problems in children

A study of over 2,700 children found that maternal mental health problems, substance abuse, and domestic violence can contribute to behavioral issues in children. As the number of reported difficulties increases, so does the risk of aggression, anxiety, depression, inattention, and hyperactivity in kids.

Annals of Internal Medicine tip sheet for May 2, 2006

A study of 80 moderately obese patients found that laparoscopic gastric banding led to a significant average weight loss of 21.6 percent, compared to 5.5 percent in the nonsurgical group. Lifestyle modification can also achieve up to 10 percent weight loss.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Freezing kidney tumors is a safe alternative to surgery

Researchers found that freezing kidney tumors using percutaneous cryoablation destroyed 95% of tumors in short-term follow-up. The treatment is performed through small skin nicks and can be done under general anesthesia, offering a less invasive alternative to traditional surgery.

CT and ultrasound equally valuable in diagnosing pelvic pain in women

A study of 157 women with acute pelvic pain found that both CT scans and ultrasounds were highly sensitive and accurate in diagnosing the condition. The researchers concluded that patients are unlikely being over-imaged, and that both imaging techniques can be used effectively in emergency settings.

Born dead: Over 3 million stillbirths every year

A study of 103 countries found an estimated 3.2 million stillbirths worldwide each year, with rates ranging from 5 per 1000 in rich countries to 32 per 1000 in south Asia and sub-Saharan Africa. The true figure is likely higher due to under-reporting.

MRI accurate and safe for diagnosing ureteral reflux

A new study finds that MRI cystography is an accurate and safe alternative to conventional X-ray cystography for diagnosing ureteral reflux. The researchers discovered that MRI can detect scarring of the kidneys and loss of kidney tissue, related to the extent of kidney damage from VUR, better than conventional X-ray cystography.

Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Shared theories on thought could lead to smart machines

A National Institute of Standards and Technology (NIST) workshop has led to the creation of a shared framework for artificial intelligence in machines. This agreement enables machines to interpret commands with near human common sense, potentially transforming manufacturing processes.

Deviant peer groups and street gangs

A Université de Montréal study found that boys identified as hyperactive, fearless, and not prosocial at age six are 6 times more likely to join a deviant peer group. Family adversity also increases the risk of early gang affiliation.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Onset of psychosis may be delayed by medication

Researchers found that medication may delay the onset of psychosis in schizophrenia patients, leading to improved treatment outcomes and reduced symptoms. The study suggests that early recognition and treatment can help prevent or delay the development of full-blown psychosis in individuals with prodromal symptoms.

Children living near major roads face higher asthma risk

A recent study has found that children living within 75 meters of a major road are at a 50% greater risk of having had asthma symptoms in the past year. The research also showed that higher traffic volumes on roads were related to increased rates of asthma, with risk decreasing further away from the road.

Higher strength MRI can help patients avoid arthroscopy for shoulder injuries

A recent study published in American Journal of Roentgenology found that higher strength MRI can detect shoulder cartilage tears with high accuracy, allowing doctors to diagnose and treat the condition without surgery. This non-invasive approach has significant benefits for patients, especially athletes who are prone to such injuries.

SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

The Lancet Neonatal Series at one year of age – has anything changed?

Despite positive changes, reducing neonatal deaths and improving newborn health in high-mortality countries remains a significant challenge. The Lancet Neonatal Series emphasizes the need for governments, partners, and donors to work together to develop country action plans and invest strategically in maternal, neonatal, and child care.

Melatonin improves mood in winter depression

A study by Oregon Health & Science University reveals that low-dose melatonin taken in the afternoon can help most people with winter depression whose bodily rhythms are out of sync. The treatment was found to be effective for those who were naturally 'night owls', while morning larks responded better to taking melatonin in the morning.

Study reports newborn screening tests can save both lives and money

A cost-effectiveness study found that six out of eight newborn screening tests were not only cost-effective but also cost-saving. The tests identified rare disorders such as hypothyroidism and phenylketonuria, which can have significant impacts on children's health and development.

T cell 'brakes' lost during human evolution

Research reveals that human T cells lack expression of certain 'Siglec' molecules, which regulate T cell activation in nonhuman primates. This absence may contribute to the disparity in disease susceptibility between humans and great apes. The study highlights the potential for Siglecs to act as a 'brake' on T cell activation.

Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

30-year study of type 1 diabetes finds no improvement in heart disease rates

A 30-year study published in the journal Diabetes found that type 1 diabetics showed improved mortality and morbidity rates for certain complications, but cardiovascular disease rates remained unchanged. The study suggests that focusing solely on blood-glucose control is insufficient to prevent long-term complications of type 1 diabetes.

Combined contrast enhanced MRI shows promise

A new study reveals that combined contrast enhanced MRI (CCE-MRI) closely matches the staging of non-alcoholic fatty liver disease (NAFLD) using conventional pathology. CCE-MRI offers a safer alternative to invasive liver biopsy, directly visualizing fibrosis and detecting liver cancers simultaneously.

Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Liver transplants can be successful in HIV patients with Hepatitis B

A study found that patients with HIV-HBV coinfection can successfully undergo liver transplantation without progression of viral disease, even in the setting of lamivudine resistance. Controlling HBV is crucial for survival, and ongoing monitoring will be essential to minimize liver-related complications.

UCI researchers to study health effects of exercise in children

Researchers will investigate the biological processes linking exercise with disease in children, examining how exercise impacts growth, development, and immune function. The goal is to develop effective exercise programs to lower obesity rates and improve health outcomes for children with chronic diseases.

Co-workers hoard their best ideas

A McMaster University study found that employees are more willing to share knowledge with trusted colleagues who treat them fairly. The reluctance to share knowledge leads to a contagious tendency to hide important information, causing productivity to suffer.

Scientists solve 30-year-old mystery of mutant mouse's kidney woes

Researchers discovered a single base pair change in the aquaporin-2 protein gene, leading to improper distribution and resulting in up to 30 times more urine being produced. This study provides new insights into congenital progressive hydronephrosis, a condition that can lead to kidney failure and death if left untreated.

Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

New MRI clues identify stroke victims at risk of skull hemorrhaging

A study analyzed MRIs of 24 patients with ischemic stroke to identify signs at increased risk for skull hemorrhaging. The researchers found that patients with parenchymal enhancement or hyperintense MCA sign may be at higher risk for developing hemorrhagic complications after tPA treatment.

Internet use involves both pros and cons for children and adolescents

Research suggests that the Internet can provide essential social support for isolated adolescents and improve academic achievement in low-income youth. However, online interactions may also normalize self-destructive behaviors and expose vulnerable individuals to potentially damaging communities. Additionally, the Internet has been fou...

Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Study finds parents rarely use baby gates, bath thermometers

A study by Cincinnati Children's Hospital Medical Center found that primary care physicians discuss safety devices with parents for less than five minutes, on average. Parents reported being educated about car seats and smoke detectors most frequently.

Environmental triggers may promote human genetic variation

Researchers found that oxidized nucleobases in human DNA are associated with hotspots of genetic recombination and polymorphism. The distribution of these abnormally placed adenine nucleotides is not random but clustered in chromosomal regions with high meiotic recombination rates.

School-based quality initiative improves childhood asthma outcomes

A school-based quality initiative improved asthma outcomes for children with severe asthma, increasing perfect care to 84% and asthma-related emergency room visits by 22%. The project demonstrates the effectiveness of community partnerships and evidence-based care in improving child health.

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

First recipient of the Vanderbilt Prize in Biomedical Science named

Dr. Andreasen, a leading expert on schizophrenia, receives Vanderbilt Prize for Biomedical Science for her groundbreaking research and mentorship of women in science. The award includes a $25,000 prize and establishes a scholarship to support a promising M.D./Ph.D. candidate.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

New study to address HIV-related deaths in Downtown Eastside

A new study will develop a cohort of 1,000 HIV-infected IDUs with a history of injection drug use to examine treatment access and adherence. The research aims to improve access to life-saving HIV and HCV treatments for marginalized individuals in Vancouver's Downtown Eastside.

Laser trapping of erbium may lead to novel devices

Researchers at NIST have successfully trapped erbium atoms using laser cooling, enabling the creation of a Bose-Einstein condensate and producing single photons with potential uses in telecommunications. The technique holds promise for developing novel devices and applications in quantum computing and materials science.

DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Can senile amyloidosis spread from mother to offspring?

Researchers found that mice born to mothers with senile amyloidosis exhibited elevated levels of amyloid fibrils, accelerating disease onset. The presence of fibrils in the milk of affected mothers was confirmed, demonstrating transmission via nursing.

A biosensor layered like lasagna

A new biosensor technology has been developed that uses static electricity to layer proteins on carbon nanotubes, allowing for precise detection of biological chemicals and environmental agents. The technique enables enzymes to self-assemble in a layer-by-layer manner on the nanotube, resulting in improved sensitivity and specificity.