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Life Sciences

Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.

447,757 articles | 2542 topics

Health and Medicine

Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.

431,843 articles | 751 topics

Social Sciences

Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.

260,756 articles | 745 topics

Physical Sciences

Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.

257,913 articles | 1552 topics

Applied Sciences and Engineering

Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.

225,386 articles | 998 topics

Scientific Community

Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.

193,043 articles | 157 topics

Space Sciences

Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.

29,662 articles | 175 topics

Research Methods

Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.

21,889 articles | 139 topics

Mathematics

Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.

3,023 articles | 113 topics

Discovery opens door to 'personalized' asthma therapy

Researchers at UTMB have identified distinct subtypes of asthma using protein profiling, which could lead to tailored treatments. The study found four different asthma subtypes, including one associated with severe and treatment-resistant disease, offering new hope for more effective asthma therapies.

Diet and lifestyle critical to recovery, says study

A new study published in Nature Genetics reveals that diet and lifestyle can significantly impact the effectiveness of certain drugs, including those used for cancer therapies. The research found that nutrient availability can either enhance or harm cell fitness, depending on the surrounding environment.

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Protein power: Researchers trigger insulin production in diabetic mice

University of Florida researchers have successfully triggered insulin production in diabetic mice by injecting them with the naturally occurring protein Pdx1. The study found that daily injections of Pdx1 normalized blood glucose levels within two weeks, promoting regeneration of insulin-producing cells in the pancreas.

Freeze-dried tendon implants prove effective in early studies

Researchers at the University of Rochester Medical Center have developed a new graft technique using freeze-dried tendon grafts loaded with gene therapy, showing significantly fewer adhesions than traditional autografts. The study demonstrates promising results in restoring range of motion and accelerating healing after hard-to-treat i...

China's biotech industry: An Asian dragon is growing

China's health biotech industry boasts daring medical science innovation and stunning breakthroughs, including the world's first commercialized gene therapy product. However, firms face an uphill battle in attracting high-risk venture capital needed for innovative projects due to uncertain financial systems and export restrictions.

Gene therapy can reduce long-term drinking among rodents

Researchers used rats bred to be heavy drinkers and administered an anti-Aldh2 antisense gene, reducing consumption by half for a month. The study suggests gene therapy could be a promising approach for treating alcoholism, particularly in individuals with genetic mutations protecting them from the risk of developing the condition.

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Brain imaging and genetic studies link thinking patterns to addiction

Researchers identified brain regions that fire up more when people make impulsive decisions, a key finding linking thinking patterns to addiction. The study suggests raising dopamine levels may be an effective treatment for addiction, offering new approach to therapy and potential subtypes of alcoholics.

Researchers discover protein that controls bone growth

A research team has uncovered the molecular mechanism by which osteocrin controls bone growth, a discovery that may have important implications for people suffering from bone diseases affecting skeletal growth. Osteocrin was found to locally control the bone's supply of a hormone known as CNP, regulating bone growth.

Fragile X retardation syndrome corrected in mice

Researchers have alleviated various abnormalities associated with fragile X syndrome by reducing the activity of a specific gene. The findings suggest that this approach may lead to treatment for the disorder, which affects brain structure and function, as well as causing mental retardation, epilepsy, and abnormal body growth.

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Research reveals secrets of alcohol's effect on brain cells

Researchers found that alcohol activates a stress-linked pathway in neurons to release key genes that can influence the health and activity of brain cells. The study sheds light on how this process occurs and may help scientists understand alcohol-linked disorders such as chronic alcoholism and fetal alcohol syndrome.

Pennsylvania Hospital surgeon receives grant to develop molecular cardiac surgery

Dr. Bridges' group successfully demonstrates marker genes can be efficiently inserted into heart muscle cells in large animals using a novel surgical procedure and specially designed hardware. The approach has the potential to develop new treatments for various heart muscle diseases causing heart failure, with preliminary success showi...

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Gene therapy safety trial for childhood blindness under way

Researchers are conducting a phase 1 clinical trial using gene therapy to treat LCA2, aiming to restore vision in individuals with inherited blindness. The treatment involves injecting trillions of replacement genes into the retina, using an adeno-associated virus to deliver the therapeutic gene.

OHSU research suggests America may over-vaccinate

Researchers found that antibody responses to viruses like measles and mumps remain protective for several decades, even for life. This means people may not need booster shots as frequently as previously thought, potentially reducing unnecessary vaccinations.

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New study shows that therapeutic gene expression can be sustainable for 1 year

Researchers at Cedars-Sinai Medical Center have developed a novel gene delivery system that can sustain therapeutic expression in the central nervous system for up to 1 year. This innovative approach uses an adenoviral vector called HC-Adv, which is invisible to the immune system and renders previously used vectors ineffective.

Major genetic breakthrough for ankylosing spondylitis brings treatment hope

Researchers have identified two genes, ARTS1 and IL23R, that increase the risk of developing ankylosing spondylitis, a common disease causing back pain and progressive stiffness. A potential treatment for Crohn's disease may also be applied to this disease, providing a major step towards being able to treat ankylosing spondylitis.

Severe heart defect likely caused by genetic factors

Researchers at Cincinnati Children's Hospital Medical Center found that Hypoplastic Left Heart Syndrome (HLHS) has high heritability and is likely caused almost entirely by genetic effects. Families with a child with HLHS carry a significant recurrence risk of HLHS or related heart defects.

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One shot of gene therapy spreads through brain in animal study

Researchers at Children's Hospital of Philadelphia successfully delivered beneficial gene to entire mouse brain with one injection, correcting diseased areas. The technique has potential for treating rare genetic neurological disorders like Tay-Sachs disease and Sly syndrome.

'Jumping genes' could make for safer gene delivery system

New nonviral gene delivery systems utilizing transposons provide a safer alternative to viruses, with potential benefits for treating fatal conditions such as cancer. The technology has shown promise in achieving stable expression of genes in animal cells and minimizing insertional mutagenesis risk.

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MIT works toward safer gene therapy

Gene therapy holds great promise but faces safety concerns due to virus-based delivery methods. MIT researchers have created biodegradable polymers that can deliver genes safely and effectively, showing promise for ovarian cancer treatment and other applications.

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Researchers developing device to predict proper light exposure for human health

Researchers at Rensselaer Polytechnic Institute are developing a personal device to measure daily light intake and activity, predicting optimal timing for light therapy to synchronize the circadian clock. The device aims to alleviate psychosocial stress and sleep-related ailments caused by inadequate or irregular light exposure.

Bacteria successful in cancer treatment

Researchers develop bacteria to deliver anti-cancer treatments by targeting oxygen-starved areas of tumors. The treatment shows effective results in experimental animals, offering a promising alternative to traditional cancer therapies.

'Skinny gene' does exist, UT Southwestern researchers find

Researchers at UT Southwestern Medical Center have discovered a single gene that controls fat formation in various organisms, including humans. The 'adipose' gene is believed to be a high-level master switch that determines whether the body accumulates or burns fat.

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Research team enlightens the reasons for severe blindness

A research team has identified a genetic deficiency that causes severe blindness, specifically Leber Congenital Amaurosis (LCA). The discovery of the LCA5 gene and its protein lebercilin provides new opportunities for gene therapy, which could lead to the treatment of this disease in humans.

Discovery of active genes reveals new clues on ALS

Researchers identified over 50 genetic abnormalities in sporadic ALS, providing expanded opportunities for developing treatments. The study's findings also uncovered genes controlling nerve adhesion, offering a major new avenue for ALS research.

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JCI table of contents: August 1, 2007

Researchers developed a new vaccine strategy that uses a protein-free M. Tuberculosis strain to activate immune cells, providing increased protection against TB. A study found that vaccination with this strain provided better protection than the existing BCG vaccine.

Identifying the mechanism behind a genetic susceptibility to type 2 diabetes

A study published in the Journal of Clinical Investigation reveals that variants of the TCF7L2 gene increase susceptibility to type 2 diabetes by affecting insulin secretion in pancreatic islet cells. The findings provide a mechanism for genetic predisposition and suggest potential therapeutic targets for new treatments.

Under magnetic force, nanoparticles may deliver gene therapy

Researchers have developed a biodegradable nanoparticle delivery system that uses magnetic forces to target specific cells in the body. The system has shown promise in reducing cell proliferation and delivering anti-growth genes to stents, which could help maintain blood flow.

First new multiple sclerosis gene found in 30 years

Researchers at Duke University Medical Center discovered a novel gene associated with increased susceptibility to multiple sclerosis, which increases risk by 30%. The gene variant affects the function of interleukin-7 receptor alpha, guiding immune system cell development and growth.

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Study identifies new gene therapy tools for inherited blindness

Researchers at WashU Medicine have identified hundreds of DNA elements that control when and where genes linked to blindness are turned on. These new elements can be used as switches to activate blindness therapies, offering hope for a potential cure for inherited blindness.

Gene identified for Crohn's disease in children

Researchers at Children's Hospital of Philadelphia identified a gene variant associated with an increased risk of Crohn's disease in children. The study found that 64% of children with the disease had a specific variant form of the ATG16L1 gene, compared to 52% of healthy children.

One man's junk may be a genomic treasure

Scientists at UCSD School of Medicine have found that 'junk' DNA sequences may serve as punctuation marks to organize functional domains within the genome. This discovery could lead to breakthroughs in gene therapy by understanding how genomic material contributes to the regulation of genes.

Gene's activity points to more lethal subtype of AML

A new study by Ohio State University researchers links high ERG gene activity to a more lethal subtype of acute myeloid leukemia (AML). Patients with high ERG expression are almost six times more likely to relapse or die within five years, highlighting the need for more intense therapy.

Gene therapy eradicates pancreatic cancer in preclinical trial

Researchers at the University of Texas M. D. Anderson Cancer Center have developed a gene therapy that selectively targets and eliminates pancreatic cancer cells, inhibiting metastasis and prolonging survival with minimal toxicity. The therapy, called VISA-BikDD, has shown significant promise in preclinical trials, with treated mice su...

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

Gene therapy for Parkinson's disease

A study published in The Lancet found that gene therapy can safely alleviate symptoms of Parkinson's disease, with significant improvements seen in movement and motor scores. The treatment involves injecting genetic information directly into brain cells, eliminating the need for indwelling hardware associated with deep-brain stimulation.

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

Human genetic 'deserts' are teeming with significant life

Researchers discovered previously unknown exons outside annotated genes in human proteins, suggesting complex gene regulation and increasing the risk of disease-causing mutations. This finding has significant implications for medicine, requiring extra caution when studying genetic phenotypes.

UVa researchers restore genes in human inner ear cells

Scientists have discovered a way to transfer genes into diseased tissue of the human inner ear, aiming to restore hearing. The breakthrough could lead to the development of gene therapy compounds that produce new hair cells and restore hearing function in humans.

Future therapies for stroke may block cell death

Researchers develop new therapy to re-activate silenced genes, potentially blocking cell death in stroke patients. The therapy targets histone deacetylase enzymes, which can modulate gene expression and produce neuroprotective proteins.

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£2 million dwarfism study launched

An international team of researchers has been awarded £2 million to study the genetic causes of dwarfism and develop future treatments. The EuroGrow project aims to investigate the most common bone disorders that lead to short stature, with a focus on achondroplasia, pseudoachondroplasia, and spondyloepiphyseal dysplasia congenita.