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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

The hepatitis C link: Diagnose, treat, transplant

Researchers have made significant advancements in diagnosing and treating chronic hepatitis C, with potential new markers for detecting liver cancer. Studies have also explored the role of autotaxin in linking hepatitis C to hepatocellular carcinoma.

Correlation between bile duct obstruction and ductal cancer found

A recent study has established a significant correlation between bile duct obstruction and the growth rate of bile duct cancer cells in animals. In fact, cancer cells in obstructed bile ducts grew up to five times faster than those without obstruction, leading to increased metastasis outside the liver.

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Other highlights in the July 19 JNCI

Researchers have developed a non-invasive method to detect bladder cancer using DNA found in urine, while a study suggests high pesticide exposure increases the risk of liver cancer. Additionally, a growth factor has been found to inhibit lung tumor metastasis by stopping blood vessel growth and breaking down specific proteins.

Cycles of cell death, proliferation key to liver cancer

A study by UCSD researchers found that the absence of IKKƒÒ in hepatocytes leads to increased JNK activation after exposure to toxic chemicals, resulting in accelerated tumor development. Deletion of JNK1 gene prevented liver cancer, suggesting a critical role for this isoform in tumor growth.

Liquorice cancer care

Studies have shown that glycerrhetinic acid and glycerrhizic acid, found in liquorice, preferentially accumulate in the liver and can target tumors effectively. This could lead to improved treatment outcomes with reduced toxic effects on other parts of the body.

Skin rash in patients treated for liver cancer determines survival

A study found that patients with advanced liver, gallbladder, and bile duct cancers who developed a skin rash while treated with lapatinib lived for an average of 10 months, compared to five months for those without the rash. The treatment was well-tolerated, with two patients experiencing partial responses to treatment.

Apple iPhone 17 Pro

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Liver cancer linked to cellular repair pathway

Researchers discovered that blocking the Hedgehog pathway kills cancer cells while leaving healthy liver tissue intact. This finding offers hope for targeted treatments and diagnostic tests for liver cancer.

New compound may protect against liver cancer

Researchers discovered a compound called CDDO-Im that protects against liver cancer at extremely low doses. The compound activates a protein called Nrf2, which stimulates the cell's defense mechanisms and detoxifies harmful agents.

New compound protects against liver cancer

Researchers at Johns Hopkins Bloomberg School of Public Health have developed a new compound, CDDO-Im, which shows strong protective effects against liver cancer. The compound works by activating Nrf2, a master switch that stimulates the cell's defense mechanisms and removes harmful chemicals.

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Cancer prevention news tips

Research suggests that consuming broccoli sprouts daily can improve chronic bacterial gastritis and potentially prevent stomach cancer. The compound sulforaphane in broccoli sprouts also has been shown to have anti-cancer effects, including preventing skin cancers caused by sun damage.

AmScope B120C-5M Compound Microscope

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Potential 'weak link' between virus and liver cancer discovered

Scientists have found that the hepatitis B virus primes liver cells to turn cancerous by 'turning off' an enzyme called GSK-3ß, which normally suppresses tumor formation. This discovery has potential relevance for other cancers and could lead to novel therapeutic approaches, including gene therapy and small molecules.

Exposure to carcinogenic crop toxin lowered by simple intervention

A simple packaged intervention improved storage of groundnuts among farmers in Guinea, reducing aflatoxin levels by over half. The intervention significantly lowered disease burden related to the potent environmental toxin, which is associated with increased risk of liver cancer and impaired child growth.

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.

Turning viruses into allies against cancer

Researchers have developed oncolytic viruses that can infiltrate and destroy tumor cells while leaving surrounding healthy tissue intact. These 'cancer-killing' viruses are being tested in patients with various tumor types, including melanoma, breast, head and neck, and colorectal cancer.

Other highlights in the December 15 JNCI

A study of 124 radiologists found that the accuracy of mammographic interpretation is more closely related to characteristics such as direct feedback and training than years of experience or volume. The study suggests that increasing volume requirements may not improve performance.

Strong-flavored onions show promise for fighting cancer

Researchers found that stronger, more flavorful onion varieties have higher antioxidant activity and can fight colon cancer cells more effectively. Shallots were also found to be strong cancer-fighters, outperforming milder-tasting onions.

Garmin GPSMAP 67i with inReach

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Posssible link between diabetes and liver cancer found

Researchers at Université de Montréal found that diabetes patients are three times more likely to develop liver cancer and twice as likely to get pancreatic cancer. The study analyzed data from over 3,000 cancer patients and healthy individuals.

Diabetes hikes risk for liver, pancreatic cancers

Researchers found a three-fold increased risk of liver cancer among diabetic patients, which rose to almost four-fold when medication was used. Diabetes did not increase risks for other types of cancer, such as melanoma or colon cancer.

'Energy blocker' kills big tumors in rats

Scientists have discovered a compound that blocks both ways cancer cells make energy, leading to the complete halt of tumor growth. The chemical, 3-bromopyruvate, targets cancer cells' high appetite for sugar and appears to have little effect on normal tissues.

Nikon Monarch 5 8x42 Binoculars

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Blood test for liver cancer risk

Researchers developed a biomarker to detect HBV mutations that speed up liver cancer development. Studies found HBV mutations predicted major liver disease, including liver cancer, up to eight years before diagnosis.

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

New test detects cirrhosis of the liver in an early stage

A new test can detect cirrhosis of the liver in its early stages, using changes in sugar production to identify the condition. The test has been shown to be accurate and could lead to earlier detection of liver cancer, improving treatment outcomes.

Chemoembolization helps patients with liver cancer live longer

Chemoembolization is the treatment of choice for widespread or diffuse tumors, enabling patients with primary liver cancer to live longer and maintain a quality of life. The procedure uses oil droplets to transport chemotherapy agents directly to the tumor, reducing toxicity and improving outcomes.

Tob or Not To Be: Role of tob gene in cancer investigated

The tob gene is a newly characterized tumor suppressor that prevents cell proliferation by constraining the cell growth cycle. Tob-deficient mice develop various spontaneous tumors, including liver cancer, at a significantly higher rate than normal mice.

GoPro HERO13 Black

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Energy blocker may be potential liver cancer treatment

Researchers discover 3-bromopyruvate selectively kills liver cancer cells while sparing healthy tissue. The compound, which blocks energy production in cells, may offer a promising alternative to existing treatments for liver cancer.

Vaccines prevent cancers of the liver and cervix

HPV vaccination has shown high safety and efficacy, inducing high antibody titers against papillomaviruses. Hepatitis B vaccination is also highly effective in preventing chronic infection, with a 95% effectiveness rate in children.

More than 10 million developed cancer in 2000

In developed countries, cancer mortality is more than twice as high as in developing countries due to factors like tobacco consumption and Western nutrition. In contrast, up to 25% of malignancies in developing countries are caused by infectious agents, whereas chronic infections account for only 8% in developed nations.

Stanford researcher identifies genes pointing to liver cancer

Researchers at Stanford University Medical Center have identified genes needed by cancerous liver cells but ignored or used at different levels by normal liver cells. This discovery could lead to more effective treatments and screening tests for liver cancer in Asian populations, who are 10 times more likely to develop the disease due ...

Sony Alpha a7 IV (Body Only)

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Supplement reduces risk of aflatoxin-related liver cancer

A double-blind study conducted in China found that chlorophyllin supplements reduced DNA damage related to aflatoxin exposure in healthy adults. The study showed a 55% reduction in aflatoxin damage, which could lead to a lower risk of liver cancer.

Researchers Prove Chemoprevention Can Work

A team of researchers has shown that oltipraz, a chemopreventive agent, can alter the disposition of aflatoxin in people at high risk for liver cancer. The study establishes proof of principle that chemo-preventive agents can work by changing the metabolism of environmental carcinogens.

Cancer Added To Hangover Headaches

New research suggests that prolonged alcohol intake can lead to cancer risk due to acetaldehyde production, which damages genetic building blocks and is efficiently inserted into DNA in some people. A large percentage of Asians lack the enzyme needed to break down acetaldehyde, making them more prone to esophageal and liver cancers.

Celestron NexStar 8SE Computerized Telescope

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

Treatment For Cancer May No Longer Be As Grim As The Disease

Researchers are developing a new alternative treatment for cancer using radio-frequency ablation, which heats diseased cells with a fine electrode. The technique has shown promising results in treating liver cancers, with nine out of twelve patients remaining cancer-free for more than a year.

Duke Researchers Show How Hepatitis Infection Leads To Liver Cancer

Researchers at Duke University Medical Center found that a hepatitis infection converts the liver into a 'cancer time bomb' by converting it into billions of cancer-prone cells. The virus makes even apparently healthy cells lose one of two copies of a protective tumor suppressor gene, making them vulnerable to further genetic damage.

Herpes-Based Gene Therapy Is Key To Promising Liver Tumor Vaccine

A team of physicians from Memorial Sloan-Kettering Cancer Center and the University of Rochester's Cancer Center have developed a herpes-based gene therapy that recruits the immune system to target and eliminate cancer cells in the liver. The vaccine has shown promising results, with laboratory rats achieving complete remission and few...

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.

Tumor Suppressor Gene Located In Liver Cancer Cells

Researchers discovered that a malfunctioning gene, M6P/IGF2r, acts as a tumor suppressor in human liver tumors. The gene's loss or mutation may predispose cells to cancerous growth, leading to the formation of liver cancer. This finding could lead to the development of early diagnostic tests and new treatments for the disease.