A study found that mice deficient in RGS2, a regulatory protein, exhibited persistent vessel constriction and strongly hypertensive effects. This suggests that abnormally prolonged GPCR signaling may contribute to the onset of hypertension.
Researchers find that coastal ecosystems are fragmented into smaller neighborhoods, with varying species distributions and abundance rates along the coast. The study uses innovative technologies to measure wave forces and track marine organism movement, shedding light on the complex dynamics of ocean ecosystems.
The US government's efforts to declassify historic records have been met with frustration from historians and researchers, who face security restrictions and lengthy review processes. Despite these challenges, Meade emphasizes the need for thoughtful declassification to balance secrecy and scholarship.
Researchers are exploring the potential for plant-based therapeutics and edible vaccines in medicine. The symposium aims to understand how individual variations affect reactions to food and drugs.
A symposium at Stanford Medicine explores the ethics of using race as a research variable, with Dr. Cho arguing that genetic differences are often misrepresented by racial classification. The discussion focuses on the implications of this approach for drug development and our understanding of human identity.
A new study suggests that the brain's language centers may be identified using the genetic expression of certain brain receptors in vocal-learning birds and mammals. The research, led by neurobiologist Erich D. Jarvis, reveals a highly specialized pattern in the genetic expression of these receptors in songbirds capable of vocal learning.
Researchers found that RGS2-deficient mice developed strongly hypertensive conditions and persistent vessel constriction due to prolonged GPCR signaling. Genetic defects affecting RGS2 function may also contribute to hypertension in humans, according to findings published in the Journal of Clinical Investigation.
Researchers explore how artists like Monet and da Vinci use light, color, and vision to create illusions of space and color. Neuroscientist Margaret Livingstone explains that luminance and flat-reflecting mediums influence visual perception, making objects appear differently in various situations.
Scientists have identified a key protein involved in regulating blood pressure, RGS2, which works by stopping the action of angiotensin II and enabling arterioles to relax. This discovery may lead to new ways of diagnosing and treating high blood pressure in individuals with underlying genetic defects or differences.
A professor at Stanford University suggests a genetic mutation triggered modern human behavior, contradicting the majority of anthropologists. Genetic analysis of the foxp2 gene supports his theory, suggesting it evolved around 50,000 years ago.
Research suggests that postnatal experiences can affect brain development and function in individuals with Fragile X syndrome, a genetic disorder causing mental retardation, and schizophrenia, a severe emotional disorder. Abnormalities in synaptic pruning processes and neurotransmitter regulation are common to both conditions.
Researchers are conducting studies on shrimp to better understand the genetic basis for proteins causing allergic responses. By altering the epitopes in shrimp allergens, binding action could be stopped, potentially leading to allergen-free foods.
Gavin Sherlock, PhD, director of the Stanford Microarray Database, discusses the history of gene microarray databases and their growing importance in making research data publicly available. A common standard, Minimal Information About a Microarray Experiment, has been established to facilitate easy access to the data.
Researchers from PISCO integrate genetics, microchemistry, and computer mapping to understand coastal ecosystems. They discover coastal hotspots with abundant food and faster growth rates, and track larvae movements using mini-flight recorder technology.
Scientists are developing new approaches to disaster prevention, including tools for wildfire management and prediction systems for heavy rainfall and landslides. These initiatives aim to reduce the impact of extreme weather events on communities.
A new laser-based technique could aid in drug design and testing for various neurological disorders, enabling the discovery of compounds to block cocaine poisoning effects. The technique allows researchers to study signal transmission between cells and identify potential therapeutic agents.
The Tribal Environmental and Natural Resources Management (TENRM) program combines Western science with Native American perspectives, providing a unique educational approach. The program addresses the lack of Native Americans in STEM fields, offering flexible curriculum and support to students.
Research by Stanford's Eric Knudsen shows that barn owl's brain mapping can be altered by early life experiences, leading to a persistent effect on visual and auditory navigation. Young owls wearing lenses that shift their visual world can develop a new mental map, but adult owls without this experience cannot form a new map.
Researchers are using innovative new tools to study coastal ecosystems, including genetic mapping of marine populations and remote ocean sensing. These tools are helping scientists understand the dynamics of ocean environments and track the movement of marine species.
Researchers are investigating novel quantum states by examining materials in reduced dimensions, which confine electron flow. This approach has led to the discovery of unusual metals and a better understanding of phase transitions at quantum limits.
Researchers at UCSC have linked oceanographic events with rockfish recruitment patterns, finding two distinct groups of species responding differently to warm and cold water conditions. The study provides insights into the year-to-year variation in replenishment of these fish populations.
Dr. Uma Chowdhry highlights emerging technologies, including biotechnology and nanotechnology, to develop new products and processes using renewable resources. DuPont has set goals to derive 25% of revenues from non-depletable resources by 2010.
The American Society for Microbiology has adopted policies to deal with publications that may describe misuse of microbiology or select agents. The ASM Publication Board requires research articles to contain sufficient detail to permit repetition by others and authors must agree to supply materials in accordance with laws and regulations.
Fotini Markopoulo Kalamara presents a fresh approach to researching theoretical possibilities for looking inside black holes and at particles of space/time. She proposes that an 'inside' quantum theory of gravity should be the collection of all partial observations of the inside observers.
Food-borne illness remains a major concern despite a safe food supply, as supermarkets increasingly rely on procedures and processes to meet growing demand for diverse international foods. International supermarket chains have a strong motivation to ensure food safety due to liability concerns and damage to reputation.
A team of researchers has found that Trichostatin A significantly reduces excess protein in urine and spleen weight in mice with systemic lupus. The compound may have therapeutic benefits for humans with the disease, which affects up to 70% of lupus patients.
A team from Los Alamos National Laboratory has mapped the hydrogen distribution on Mars, indicating significant water reserves near the surface and subsurface. The findings suggest that Mars could support future human exploration with its extensive water resources.
The symposium aims to highlight problems with premature publication and press briefings, showcasing the need for peer review and fair journalistic practices. AAAS emphasizes the importance of scientists explaining their research in plain language, addressing misconceptions about open-access publishing systems.
Journal editors emphasize protecting the integrity of scientific research through reproducibility and security measures. They advocate for self-governance in publishing potentially sensitive research to balance benefits with risks.
Researchers at UC Santa Barbara have developed new tools to study the near-shore environment, including remote sensing and genetic analysis. By analyzing chemical signals in growing skeletons and genetic differences among populations, scientists can track the movement of marine animals and understand barriers to dispersal.