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Science News Archive 2006


Page 165 of 178

Flow technique could simplify targeting cancer therapy

Researchers developed a method to analyze molecular markers in breast cancer cells using flow cytometry, enabling rapid prognosis and treatment decision-making. This technology holds promise for various solid tumors, including colon, ovarian, prostate, and gastric cancers.

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.

Soaring UK rates of Chlamydia infection partly caused by more sensitive tests

A study found that more sensitive Chlamydia testing led to a significant increase in reported cases, with a 62% jump in female infections and a 56% rise in male infections between 1992 and 2003. The shift from culture tests to nucleic acid amplification testing (NAAT) is believed to be the primary cause of this increase.

Molecular force field helps cancer cells defend against attack

UF researchers identified a gene called focal adhesion kinase (FAK) that produces an enzyme creating a protective barrier for cancer cells. Blocking this interaction with protein VEGFR-3 kills malignant cells. The findings open new avenues for improved cancer therapies.

Malaria early-warning system shows promise in tackling epidemics

Researchers developed an early-warning system that uses population vulnerability, rainfall, and health surveillance to predict changes in seasonal disease patterns. The system provides health service managers with warnings of changes in epidemic risk five months before the peak malaria season.

Preventive treatment helps avoid Hepatitis B relapse during chemotherapy

A randomized controlled study found that pretreating patients with hepatocellular carcinoma (HCC) undergoing chemotherapy with lamivudine significantly reduces the risk of Hepatitis B reactivation and severe hepatitis. The study identified a lower viral load threshold as a better predictor of relapse.

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.

Hydrocortisone supplementation improves ventilator weaning

A study of 93 critically ill patients found that hydrocortisone supplementation improved ventilator weaning success rates, especially in those with renal insufficiency. The treatment reduced mortality and morbidity in mechanically ventilated patients with adrenal insufficiency.

Scientists develop potential pandemic influenza vaccine in mice

Researchers genetically engineered an adenovirus to produce a protein from the H5N1 influenza virus, protecting mice from death and weight loss when infected with the virus. The human adenovirus vaccine generated specific T cells that helped clear the virus, offering a viable option for potential pandemic vaccination.

New 'planet' is larger than Pluto

Astronomers have discovered a new planet, 2003 UB313, which is larger than Pluto and located in the Kuiper Belt. The object's size was determined through thermal emission measurements, revealing a diameter of approximately 3000 km.

Study finds 60 new genes controlled by DNA snippet

Researchers have discovered 60 new genes controlled by a specific DNA sequence, known as CArG boxes. These regulatory sequences may hold the key to understanding complex diseases such as heart failure and nerve disorders, which could lead to new treatment options.

New route to therapy for Rett syndrome?

Researchers have discovered a functional interaction between the genes MECP2 and BDNF, which could lead to new therapeutic opportunities for Rett syndrome patients. By modulating BDNF expression, it may be possible to delay or reverse disease progression.

Meta Quest 3 512GB

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

Biologists build better software, beat path to viral knowledge

A team of biologists developed improved software to analyze virus structures, revealing new details about the Epsilon 15 virus that infects salmonella. The advancements enable scientists to observe previously invisible features, including non-symmetric components and a core with unknown function.

Researchers discover link between high levels of HtrA1 protein

The Mayo Clinic study found a significant association between high levels of HtrA1 in placental tissues and severe preeclampsia. The findings may lead to the development of a blood test to track HtrA1 levels, enabling early detection and management of preeclampsia.

Text messaging speeds up treatment for Chlamydia infection

A text messaging service reduced the average number of days to diagnosis from 11 to under 8, saving staff time and costs. The study found that a text messaging service minimizes the risks of missed results and is often more acceptable for patients with limited access to landlines.

Apple iPhone 17 Pro

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

A step forward in the fight against bacterial infections

Researchers at VIB have discovered the mechanism behind reduced inflammation in mice, which produces just enough interferons to activate the immune system against bacteria. This finding is relevant to the quest for new therapeutics for bacterial infections and may provide a breakthrough in combating these deadly diseases.

Gene variation increases SIDS risk in African Americans

A study found that African American infants with the common genetic variation Y1103 are 24 times more likely to die from SIDS than those without it. The variation affects sodium channels in cardiac muscle cells, increasing the risk of abnormal heart rhythms and sudden death.

GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

JCI table of contents, February 1, 2006

A genetic mutation in a heart protein has been identified as a risk factor for sudden infant death syndrome (SIDS) in African American infants. Diabetic patients may benefit from a nerve survival protein called GDNF to treat gastrointestinal disorders related to diabetes.

Researchers alleviate symptoms of Rett syndrome in mice

Researchers have alleviated symptoms of Rett syndrome in mice by hyper-expressing the BDNF gene, which showed a drastic reduction in lethargy and improved cortical neuron activity. The findings may lead to potential therapeutic strategies for treating the condition.

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.

UCI joins international effort to model influenza outbreaks

A team at UC Irvine will receive a $1.5 million grant to develop computer-based simulations of pandemic flu and other infectious disease outbreaks. The research aims to improve understanding of how to prepare for and contain the spread of such diseases.

International Journal of Epidemiology – obesity special

Researchers argue that targeting childhood obesity prevention is crucial in reducing adult obesity and associated chronic disease. Interventions during critical periods like the perinatal period and puberty/adolescence could have long-term effects.

Protein found to control tumor growth in certain breast cancers

Researchers found that overexpression of Nod1 inhibits estrogen-dependent tumor growth in human breast cancer cells, leading to reduced tumor formation and growth. The study suggests a new mechanism for controlling estrogen-sensitive breast cancers and opens the door for future development of novel therapeutics.

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.

Workshop on telemedicine for Africa

The European Space Agency's workshop on telemedicine for Africa aimed to demonstrate the relevance of space technology in improving and complementing African health service structures. The event highlighted the need for a comprehensive picture of opportunities for telemedicine via satellite services, particularly in sub-Saharan Africa.

OHSU scientists dispel late-night eating/weight gain myth

Researchers dispelled the myth that eating late at night causes weight gain. Female rhesus monkeys on a high-fat diet gained 5% more weight after having their ovaries removed, showing ovarian hormones play a role in weight balance. The study found no correlation between late-night eating and weight gain.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Principals' and foodservice directors' perceptions differ on food policy

A new study published in the Journal of the American Dietetic Association reveals that more principals than school foodservice directors reported enforced policies, but many expressed misconceptions about nutritional standards. The researchers found few school nutrition policies related to competitive foods, particularly in areas such ...

Unraveling the viral mechanism

Researchers have made a breakthrough in understanding how viruses infect cells using cryoelectron microscopy and computational methods. The study reveals the importance of proteins beyond the surface shell in binding to host cells, injecting DNA, and packaging it during virus formation.

All placebos not created alike

A study of 270 individuals with chronic arm pain found that patients receiving sham acupuncture reported a more significant decrease in pain and symptom severity than those receiving placebo pills. The results suggest the medical ritual of a device can deliver an enhanced placebo effect beyond that of a placebo pill.

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Genetic cause of sudden infant death in African Americans

Researchers identified a common cardiac sodium channel variant, SCN5A S1103Y, as a risk factor for sudden infant death syndrome (SIDS) in African Americans. The study provides new insights into the genetic causes of SIDS and highlights the importance of understanding the interplay between genetic and environmental factors.

Researchers show the 'BEST' way to reduce osteoporosis risk

Researchers found that a four-year study combining weight-bearing exercise and calcium supplementation increased bone mineral density in women by 1-2%, reversing typical loss of BMD with age. The regimen, developed for the BEST Study, includes six core exercises to build bone in key fracture sites.

Mathematics and statistics combat epidemics & bioterror

The MIDAS research team will develop mathematical and statistical models to detect hospital-based outbreaks of antimicrobial-resistant infections. They will analyze health data from various sources, including Harvard Pilgrim Health Care and Kaiser Permanente Northern California, to identify potential outbreaks.

Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

K-State's Culbertson receives $530,000 National Science Foundation award

Dr. Culbertson is developing universally applicable methods for detecting and identifying proteins and peptides in very small sample volumes without tagging molecules. His goal is to miniaturize chemical analysis instrumentation for point-of-care diagnostics, improving disease detection and treatment.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

NYU medical experts analyze subway injuries

A study of 208 patients treated at Bellevue Hospital from 1990 to 2003 found that most had minor injuries, but some suffered severe amputations or died. The researchers identified a pattern between economic downturns and increased subway accidents, suggesting that slowing down trains could reduce the severity of injuries.

APS Physics Tip Sheet #60

Scientists at Tel Aviv University build a system to create plasma fireballs similar to natural ball lightning, providing insight into the phenomenon. Meanwhile, researchers at Purdue University simulate how to make liquids drip from an opening even without gravity's tug, potentially leading to new applications for printing and microsca...

Secrets of the sea yield stronger artificial bone

Scientists at Berkeley Lab create porous scaffolding-like material that mimics nacre's structure, exhibiting four times greater strength than current materials. The composite could foster bone tissue regeneration and improve artificial joints.

Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

European R&D: Gehrer promises action during Austrian Presidency

Minister Gehrer addresses key challenges in European R&D, including the timing of the new Framework Programme and the need for a strategy to stimulate innovation. She also emphasizes the importance of reducing red tape and promoting entrepreneurship and risk-taking through life-long learning.

Stopping antidepressants during pregnancy may lead to symptom recurrence

A recent study found that discontinuing antidepressant medication during pregnancy can lead to a higher risk of depression relapse compared to continuing treatment. The study, which enrolled 201 pregnant women, suggests that women taking antidepressants who anticipate pregnancy should discuss the risks and benefits with their doctors.

Life-threatening lupus responds to stem cell transplant therapy

A study published by Northwestern Memorial HealthCare found that high-dose chemotherapy and autologous stem cell transplant can result in disease remission and improvement or salvage of residual organ function in the majority of patients with life-threatening lupus. The treatment's lower toxicity rate compared to previous studies may b...

Jan/Feb Annals of Family Medicine tip sheet

Researchers found that timely diagnosis of diabetes improves blood pressure control, glucose management, and overall health outcomes. Studies also suggest that reengineering primary care practice through practice redesign may be necessary to substantially improve chronic illness care.

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.

Other highlights in the February 1 JNCI

Researchers found that STAT1 expression was lower in SCCHN tumors than in normal tissue, and increasing STAT1 expression led to suppressed tumor growth. The study also suggests that STAT1 works as a tumor suppressor for SCCHN cells, but when its expression is lowered, SCCHN tumors grow.

When we say the wrong thing...repairing the message

Researchers found that people tend to use apologies and concessions in intimate relationships, while excuses are less effective. The study also revealed that the context of the situation influences the chosen strategy, with serious offenses generating additional apologies and concessions.