Articles tagged with Cancer Genetics
Researchers at UW-Madison have identified genetic elements in soil-dwelling bacteria that produce potent anticancer agents. The discovery enables mass production and manipulation of these chemicals, offering a promising alternative to existing treatments.
Researchers developed a model predicting increased cancer cure rates by 15-70% using genetic radiotherapy, combining radiation and viral infection. The technique makes tumor cells more sensitive to x-rays, potentially leading to improved treatment outcomes.
Researchers have found a gene mutation that causes acute megakaryoblastic leukemia in children with Down syndrome, increasing their risk by 10-20 times. The discovery highlights the importance of GATA1, a transcription factor regulating red blood cell and platelet production.
Researchers have found that a gene repair mechanism called MBD4 enzyme can reduce gene mutations in mice, which are up to three times more common without the enzyme. This discovery may aid in understanding how cancer develops and finding new treatments.
A new study from Duke University Medical Center found that smokers who knew they were genetically susceptible to smoking-related cancers were no more likely to quit than those who didn't know. However, the study also showed that this knowledge did not undermine motivation to quit, contrary to initial concerns. The research suggests tha...
A study found that genetic mutation penetrance for melanoma varies by geographic location, with higher risks in countries like the US and Australia. Researchers suggest environmental factors contribute to this variation, contradicting previous assumptions about gene mutations and their impact on disease expression.
Researchers have developed a way to modify genes that create maytansinoids, potentially making them more effective against tumors and better tolerated by patients. The technique uses genetic engineering to alter the chemical structure of the anti-cancer agents, reducing toxicity and improving efficacy.
Researchers develop genetic fingerprint technique to distinguish between various subtypes of adult soft-tissue sarcomas, leading to improved diagnosis and targeted therapies. The technology also helps predict patient outcome and resistance to treatment.
Researchers discovered PRDX3, a key powerhouse enzyme, plays a crucial role in controlling tumor growth. By manipulating PRDX3 activation, tumors can be halted or accelerated. Understanding this pathway could lead to new cancer treatments.
Scientists conducted a study on genetic markers in families with multiple members diagnosed with schizophrenia, finding potential associations on chromosome 1q. However, these genes are thought to influence only a small proportion of patients, highlighting the complexity of unraveling complex diseases.
Researchers used yeast to study genetic variation and trait inheritance at a molecular level, identifying 1,500 genes with complex patterns of inheritance. The study provides a roadmap for understanding genetic complexity in higher organisms, including humans.
Researchers found a genetic connection between permanent hair dye use and bladder cancer risk, particularly among women with certain slow genes. The study suggests that exposure to hair dyes increases the risk of bladder cancer, likely due to the presence of carcinogenic arylamines.
Researchers at the University of Michigan have identified a gene, AMACR, which triggers production of a specific enzyme involved in fat metabolism. The protein is detected in over 95% of localized prostate cancer cells and shows high sensitivity and selectivity ratings for diagnostic purposes.
Korenberg's work enables doctors to predict treatment outcome and adverse reactions using gene-expression profiles, bringing personalized medicine closer. The advance could lead to more effective treatments and minimize hospitalizations due to drug-induced side effects.
Research reveals wheat contains antioxidants that combat free-radicals, potentially fighting cancer, diabetes, and heart disease. Modified wheat strains with high levels of these antioxidants could be created to fight cancer through dietary inclusion.
Researchers found that plants inherit traits from factors outside of genes, such as DNA modification and packaging, which can be passed on to offspring. The study suggests a cost of resistance in plants, where hyperactive defense systems lead to physical damage despite low disease threat.
A new study reveals a reliable method for identifying proximal colorectal cancers through faecal DNA analysis. The test, which detected mutations in the BAT26 gene, showed zero false positives and high specificity.
A new stool test developed by Johns Hopkins Medicine can detect the earliest, curable stages of colon cancer with high accuracy. The test uses a technology called Digital Protein Truncation to identify a key genetic marker of the disease, and has been shown to reliably detect cancers at an early stage, yielding no false positives.
Researchers at Cold Spring Harbor Laboratory have developed a new technique for carrying out genetic analysis directly in mammalian cells, enabling them to switch off or switch on genes in mouse cells. This ability allows researchers to infer gene function, identify potential cancer therapies, and discover new properties in cells.
Researchers found that Egfr signaling is essential for intestinal tumor formation in mice, with 90% fewer polyps developing in one group. The study suggests a potential treatment approach using Egfr inhibitors for advanced colorectal cancers.
Researchers have discovered that specific cellular mechanisms confer resistance to cancer in rats, allowing them to develop pre-cancerous lesions but then return to normal. The study aims to identify genes involved in this resistance, which could lead to breakthroughs in human cancer prevention and therapy.
Researchers found that the most accurate method of detecting genetic mutations, direct nucleotide sequence analysis, is also the most expensive and labor-intensive. This method was used correctly to identify all previously identified mutations, while other methods, such as SSCP and CSGE, failed to detect over 20% of the mutations.
Researchers at Thomas Jefferson University identified a possible link between APC gene mutation and colon cancer, suggesting survivin's role in preventing programmed cell death. The study found that abnormal regulation of survivin may contribute to the development of colon cancer by allowing stem cells to overpopulate.
Researchers at Johns Hopkins have developed a potential new screening test for prostate cancer by measuring the level of GSTP1 methylation in tissue samples. High levels of methylation were detected in 91.3% of early-stage cancers and 53.6% of precancerous lesions, suggesting its potential as an early diagnostic marker.
Arsenic inhibits transcription of the hTERT gene, which in turn inhibits telomerase, causing genetic instability that may lead to cancer in healthy cells. The study's findings also have implications for developing more effective chemotherapy treatments for leukemia.
Researchers stress the need for updated informed consent models for population-based genetic research. Older models may not adequately address risks and benefits, particularly in studies involving common gene variations with smaller disease impacts.
Dana-Farber Cancer Institute scientists have developed a new biological classification of adenocarcinomas using miniaturized gene chips. The technique groups tumors by their genetic 'signatures', which can capture distinctive patterns of active and inactive genes, allowing for more accurate diagnoses and treatments.
Researchers aim to identify genetic differences that make people more susceptible to environmental hazards, with a focus on cancer development and birth defects. The consortium will use genomic approaches to monitor gene expression and predict individual risk based on genetic profile and environmental exposures.
Researchers Dorret Boomsma, Hans Clevers, Bert Meijer, and Hans Oerlemans were awarded for their pioneering work in human behavioural genetics, the discovery of cancer causes, molecular architecture, and icecap dynamics. Their findings have significant implications for our understanding of intelligence, anxiety, and climate change.
A study by Ohio State University researchers reveals minute genetic changes in normal colonic tissue that may signal later development of certain types of colon cancer. The changes, which occur through hypermethylation, appear to be age-related and associated with microsatellite instability.
Researchers at Massachusetts General Hospital have found a gene called archipelago, or ago, involved in destroying the protein cyclin E. This regulation is crucial for cell division, and irregularities may lead to uncontrolled growth and cancer.
Researchers used gene therapy to treat mice with beta-glucuronidase deficiency, a condition that affects approximately 1 in 5,000 babies. The treatment showed promise by improving symptoms for up to a year, but six mice eventually developed cancer, raising questions about the long-term safety of this approach.
Researchers have uncovered evidence suggesting that genetic changes leading to breast cancer occur first in epithelial cells of breast tissue. LOH analysis reveals frequent mutations in both epithelial and stromal cells, indicating a multi-step process.
A large population-based study in Nordic countries found no increased cancer risk for siblings of children with common non-inheritable cancers. Siblings younger than 10 years were at higher risk, but this decreased with age. The study suggests that childhood cancer is not a predictor of increased cancer risk in siblings.
UCLA researchers have discovered a unique gene modification that may be the cause of certain types of lymphoma. The discovery, which involves DNA methylation, could lead to new treatments for these types of cancer.
The grant aims to continue research into breast, prostate, and colorectal cancer's genetic basis using the Hawaii/Los Angeles Multiethnic Cohort Study. The expanded funding will enable the collection of blood samples from over 215,000 participants, providing insights into cancer risks and susceptibilities.
Researchers have isolated a new version of a herpesvirus that kills cancer cells but spares normal tissue, dramatically reducing prostate cancer tumors in mice. The new virus contains an extra genetic mutation that enables more robust reproduction and prevents the cell from mounting a response to stop viral replication.
A new study confirms previous findings that hair color, number of moles on the legs, and history of sunburn are risk factors for malignant melanoma. The study also found that use of sunbeds and other tanning devices is associated with an increased risk of the disease.
Researchers discovered a new enzyme that moves along DNA, separating its sides, and has a unique gait dubbed the 'quantum inchworm'. This finding may aid in building nanomachines for gene delivery and cancer treatment.
The website provides a comprehensive educational program on genetics, genetic testing, diagnosis, counseling, and cancer risk assessment. It features three levels of education for different audiences and includes case scenarios, problem sets, and moderated discussion groups.