Articles tagged with Cancer Genetics
Research identifies Interleukin 6 (IL-6) and STAT3 as key players in colitis-associated cancer development. The study suggests that targeting these proteins may be effective in preventing and treating CAC, a serious complication of inflammatory bowel disease.
A comprehensive review of case-control studies links gene polymorphisms in alcohol dehydrogenase and aldehyde dehydrogenase enzymes to an increased risk of upper aerodigestive tract cancers. Polymorphisms ADH1B and ALDH2 are associated with a higher risk, but data on other variants is insufficient for meta-analysis.
A study found that consumers desire more genetic testing for life-altering conditions such as mental retardation, blindness, and cancer, but are less interested in prenatal testing for traits like superior intelligence or athletic ability. The study suggests that consumers prioritize screening for diseases over enhancements.
Scientists at Emory University School of Medicine have found a way to block the toxic effects of tPA, a life-saving clot-busting drug used in acute stroke treatment. By blocking LRP1, a molecule that transmits inflammation signals triggered by tPA, the researchers were able to soften the drug's impact on the brain.
A study led by Professor Derry Roopenian found that a blocked protein called Interleukin 21 prevents systemic lupus erythematosus (SLE) in mice. The researchers also demonstrated the importance of IL21 signaling in SLE progression, suggesting that interrupting this process could be an effective therapeutic option for human SLE patients.
Research in Costa Rica found that H. pylori infection, particularly the status of cagA and vacA genotype distribution, plays a major role in gastric cancer incidence rate variability. Gastric atrophy and intestinal metaplasia were more common in patients with high GCIR.
Researchers at the University of Cincinnati have identified a potential biomarker for predicting colon cancer risk and progression. They found genetic hotspots that regulate gene expression, which could be used to identify individuals at higher risk of developing aggressive colon cancer.
Researchers explore genetic mechanisms of skin color in zebrafish, a model organism for understanding human skin color and race. The studies shed light on the evolution of skin pigmentation and its relationship to environmental factors.
A Florida State University researcher has received a four-year, $1.2 million grant to explore the link between RNA silencing and gene regulation in fighting cancer and diseases. The goal is to understand how to switch off genes causing cancerous tumors and cardiovascular disease.
Two studies examine over 600,000 genetic markers in ADHD patients, finding that multiple genes contribute to the disorder. The findings highlight the need for larger studies to fully understand the genetic mechanisms underlying ADHD and to develop more effective treatments.
Research identified common variants in ABCB1 and ABCC1 genes that increase lung cancer risk. Variants were found more often in patients than controls, particularly in women and younger individuals. These findings may help prevent tobacco-related cancers.
Researchers have identified a novel zebrafish model of Costello syndrome, a developmental disorder caused by mutations in the H-RAS gene. The study reveals that activated H-RAS promotes overabundant cell growth and hallmarks of Costello Syndrome, including heart defects and physical deformities.
Researchers at UCSF Ernest Gallo Clinic and Research Center have identified a DNA sequence variation on chromosome 15 associated with the level of response to alcohol. This finding could signal the genetic factors that affect alcohol abuse, and may help develop targeted treatments.
UC San Diego researchers have found that analyzing groups of interactive genes can better predict the progression of chronic lymphocytic leukemia. They identified 30 subnetworks of gene expression patterns that separated patients with slow-growing and aggressive forms of the disease.
Researchers at Rutgers University–Camden have identified a complex coding language that allows cells to organize and communicate, enabling the formation of intricate patterns in fruit fly eggs. This breakthrough understanding of genetic patterning has implications for our knowledge of developmental biology and diseases like cancer.
Researchers discovered a greater level of genetic complexity for diseases than thought, focusing on iminoglycinuria and hyperglycinuria disorders. The study found that up to four different pumps in the kidney determine the disorder's occurrence, suggesting a need for integrated complex genetic information.
A study published in JAMA Network found an association between male birth defects and certain genetic mutations, including Klinefelter syndrome and INSL3 receptor gene mutations. The research suggests a higher risk of infertility and testicular cancer in men with cryptorchidism, highlighting the importance of genetic testing.
African-American men and those with a family history of prostate cancer are at higher risk due to genetic factors. Genetic markers associated with increased risk have been found to be more prevalent in these populations, suggesting they may be used for personalized screening recommendations.
A study by Fox Chase Cancer Center researchers reveals that BubR1 protein plays a crucial role in chromosome distribution during mitosis. Mutating this protein may cause genetic shuffling similar to that seen in cancer cells, making it a potential target for cancer treatment enhancement.
A new study by Tel Aviv University and the University of Utah found a significant link between brain cancer and family history. Researchers discovered that a four-fold increase in risk exists for individuals with a family history of brain tumors, highlighting genetic predispositions.
A global initiative aims to collect information on every fault in every gene worldwide, standardizing the reporting of genetic mutations. The project has been published in the journal Science and involves international collaboration between researchers from Australia, China, Japan, and Kuwait.
A study published in Cancer Prevention Research found that variations in a common gene pathway may affect esophageal cancer risk, with seven genotypes showing significant association and four more borderline significance. The risk of esophageal cancer increased with an increase in unfavorable genotypes present.
A University of Minnesota study has identified genetic markers associated with early clinical relapse of multiple myeloma. The research suggests that a patient's genetic background influences their prognosis and response to treatment, paving the way for individualized assessments and personalized therapies.
Researchers at the University of Florida have discovered a way to short-circuit genetic processes that contribute to neuroblastomas. By targeting the ALK gene, they found that certain mutations can be sensitive to a small molecule inhibitor, potentially leading to new drug treatments.
A new approach to genetic testing for cancers in Australia could effectively halve deaths caused by an inherited form of bowel cancer. By testing tumors of young people with cancer, researchers can identify inherited genetic faults and prevent further cases.
A study from Massachusetts General Hospital found that women with vulvar carcinoma and extra copies of the epidermal growth factor receptor (EGFR) gene are at increased risk of dying from their cancer. EGFR amplification is associated with poor survival rates, making targeted therapies a promising treatment option.
Researchers found that when a single telomere is lost, it can cause many abnormalities in a cell's chromosomes, leading to cancer. A new treatment route for cancer may be possible by interfering with the process of adding new telomeres.
Two UCSF scientists, Yuriy Kirichok and Miguel Ramalho-Santos, received $1.5 million NIH grants to study molecular mechanisms of cell energy production and stem cell specialization. Their research aims to develop new therapies for age-related diseases and regenerative medicine.
Researchers from the University of Pittsburgh School of Dental Medicine have identified a series of genetic mutations associated with significant risk for cleft palate and other dental abnormalities. The study, published in Genetics in Medicine, analyzed DNA sequences from over 500 individuals and found more than a dozen gene mutations...
Researchers found that computer models underpredicted BRCA mutation frequency in Asian-American women by 50% compared to Caucasian counterparts. This suggests that more women of Asian descent may be at increased risk of hereditary breast and ovarian cancers than previously believed.
A Stanford study found that computer models used to identify breast cancer mutations in white women were less accurate for Asian women. The researchers sequenced the genes of 200 Asian-American women and compared them to the models' predictions, finding that both programs performed poorly in predicting the presence of mutations. This u...
Yale researchers identified a molecular process in normal tissues that causes RNA molecules to be clipped and stitched together, potentially complicating cancer diagnosis and predicting anti-cancer drug side effects. The discovery suggests that cancers may mimic normal cellular processes, leading to unpredictable toxicities.
Genetic testing has significantly improved the detection of individuals at risk for sudden cardiac death in athletes. This technology enables informed decision-making regarding care and training continuation among athletes. However, its use in asymptomatic genetic carriers with normal phenotypes is a topic of controversy.
A novel multi-arm trial design could test several therapies simultaneously, speeding up cancer drug development. A natural chemical called candidaspongiolide inhibits protein synthesis and kills cancer cells through an unusual biochemical pathway.
A new study found a cancer gene in swordtail fish is conserved due to its role in attracting female mates. The melanoma gene creates an attractive natural marking that lures females, but the population also keeps the prevalence of the gene in check.
A genetic trait linked to a 10-20 percent incidence in colorectal cancer patients significantly increases the risk of developing cancer to 50 percent if inherited, surpassing other known gene mutations.
A study found a link between genetic variation in the CHRNA5 gene, initial smoking experiences, and current smoking habits. Smokers were eight times more likely to report pleasurable first cigarettes, suggesting that genetics may play a role in nicotine addiction.
Researchers at VCU Massey Cancer Center have developed a gene therapy approach that eliminates human pancreatic cancer cells in mice. The therapy combines perillyl alcohol, a natural compound found in citrus plants, with mda-7/IL-24 cytokine to kill aggressive and lethal cancer cells.
Researchers found that each type of cancer has distinct gene mutations that provide a 'selective advantage', driving tumor formation through evolution. This discovery improves our understanding of how evolution shapes life and lays the groundwork for new cancer treatments.
The W.M. Keck Foundation has announced its 2008 class of Distinguished Young Scholars in Medical Research, recognizing outstanding young scientists making significant contributions to biomedical research. The awardees will receive grants of up to $1 million to support their research activities for five years.
Researchers at Baylor College of Medicine discovered that maternal obesity can amplify obesity in successive generations through epigenetic changes. The study found that genetically identical mice on a standard diet gained weight with each generation, while those on a methyl-supplemented diet remained lean.
Researchers at Johns Hopkins Medicine identified a deadly combination of gene activity in breast and colon cancers, leading to poor patient outcomes. The study found that epigenetic changes contribute to cancer aggressiveness by disrupting normal biochemical pathways.
A new microchip-based device can analyze tumor cells in the bloodstream to identify genetic signatures of dangerous lung cancers, enabling targeted treatment and monitoring. The device detected mutations 92% of the time and showed promise for non-invasive continuous monitoring.
Researchers discover at least one or two additional types of adult stem cells beyond Bmi1-expressing cells, found primarily in the upper third of the intestine. This finding complicates stem cell therapy for diseases such as Parkinson's and heart disease, requiring recognition of organ-specific stem cell complexity.
Researchers at the University of Minnesota have developed a new standard of care for children with recessive dystrophic epidermolysis bullosa (RDEB) using cord blood and bone marrow transplants. The treatment has shown promising results in improving skin quality and reducing blisters, offering new hope for these patients.
A team of researchers at Thomas Jefferson University and Ohio State University Medical Center has identified a specific gene signature profile associated with metastasis. This signature is composed mainly of overexpressed microRNAs and may represent a new approach for diagnosing metastatic cancer.
A genetic test has shown promise in predicting lung cancer recurrence in early-stage patients. The test uses five high-risk gene signatures to identify patients at highest risk of cancer return, potentially leading to more aggressive treatment.
Researchers discovered that Lake Washington sticklebacks adapted to increased trout predation after water transparency improved, leading to rapid evolution of bony armor. The study found that genetic variation and the Eda gene played key roles in this process.
Researchers pinpointed the protein FANCD2 as slowed production leads to genetic changes triggering lung cancer. Low levels of FANCD2 cause DNA damage and faulty cells committing suicide.
A recent study found that the American Founder Mutation, a common cause of Lynch syndrome, is older and more prevalent than thought. The new research includes 32 additional families and estimates that the mutation is present in 32,150 Americans.
The Landon Foundation-AACR INNOVATOR Award for Cancer Prevention Research supports early career scientists, while the International Collaboration award promotes global cooperation to accelerate progress against cancer. The awards aim to encourage innovative approaches to cancer prevention and treatment.
Biotech companies are developing novel biomarkers to improve cancer diagnostic tests, potentially reducing treatment costs. Researchers at various institutions, including the Ludwig Institute for Cancer Research and Wayne State University School of Medicine, are working on early detection tools for malignancies.
A team of researchers has discovered six new genetic variants associated with an increased risk of type 2 diabetes, bringing the total number of genetic risk factors to 16. The study used combined genetic data from over 70,000 people and provides new clues to the processes that go wrong when diabetes develops.
A new study found that family discussions about cancer history significantly impact knowledge and attitudes about genetic counseling and testing for moderate-risk women. Women who discussed their family's cancer history with relatives had greater knowledge and more positive attitudes towards testing.
A growing body of evidence supports preventive measures for high-risk women, including those with BRCA1 and BRCA2 mutations. Primary care physicians should learn about genetics, take a comprehensive personal and family history to advise patients at increased risk.
Researchers at Thomas Jefferson University have discovered that USP22 is crucial for controlling large-scale changes in gene expression in cancer cells. The study reveals that USP22 is necessary for the global changes in gene expression patterns that occur in these cells, making it a potential target for new anti-cancer drugs.
A panel of genetic markers, derived from a study of Swedish men, has been identified as common causes of hereditary prostate cancer. These markers, combined with family history, increase the risk of the disease by nearly nine times, accounting for nearly half of all cases in this population.
Scientists at the University of Southern California have achieved a 10-fold life span extension in baker's yeast through dietary and genetic changes. The study, published in PLOS Genetics, suggests that calorie restriction and specific gene mutations may hold the key to controlling cell longevity and preventing age-related diseases.
Scientists found that a green glow in fruit flies indicates the activation of cancer-prevention signals similar to those in broccoli and cabbage. The discovery uses Drosophila as a model organism to develop novel approaches for studying the NRF2 pathway, which triggers anti-oxidant activity to fight off toxic assaults.
Researchers at Cold Spring Harbor Laboratory have discovered endothelial progenitor cells that regulate tumor growth and transform dormant lung metastases into life-threatening lesions. Targeting these cells may provide a novel approach to treating lung cancer.