Articles tagged with Cancer Genomics
A genomic study of over 5,000 veterans with advanced prostate cancer reveals significant differences in frequencies of alterations associated with race and ethnicity. Alterations in immunotherapy targets were more common in Black veterans, potentially leading to opportunities for precision-based therapy.
A new study found that PARP1 is involved in the repair of telomeres, which can lead to genomic instability and cancer. Impairing this process can lead to telomere shortening and increased risk of cancer. The findings challenge existing dogma and open up new possibilities for improving cancer therapies.
Researchers at Johns Hopkins Medicine have charted a molecular pathway that can lure cells down a hazardous path of duplicating their genome too many times, a hallmark of cancer cells. The findings reveal what goes wrong when a group of molecules and enzymes trigger the cell cycle, leading to cancer development.
Researchers have developed a new urine-based test that identifies high-grade prostate cancer by analyzing 18 genes linked to the disease. The test, called MyProstateScore2.0, was shown to be nearly 100% correct at ruling out aggressive cancers and helped avoid up to 41% of unnecessary biopsies.
Two new Review articles explore AI's application in early cancer detection, highlighting its potential to enhance diagnostic accuracy and improve treatment selection. The articles emphasize the need for a robust, multi-disciplinary approach to integrate AI into medicine.
Researchers identified a small set of proteins governing anaplastic large cell lymphoma (ALCL) identity and found that drugs targeting the STAT family of proteins already exist for treatment. The study provides insight into potential vulnerabilities in ALCL cells.
A KAIST-Seoul National University Hospital research team has developed a computational workflow that predicts metabolites and metabolic pathways associated with somatic mutations in cancers. The workflow uses genome-scale metabolic models and mutation data to identify altered metabolic pathways that contribute to cancer progression.
Researchers linked red/processed meat consumption to increased colorectal cancer risk, highlighting two genetic markers (HAS2 and SMAD7) that alter cancer risk levels based on meat intake. The study analyzed data from nearly 70,000 people and found a 30-40% increased risk for those with high red or processed meat intake.
The NCI-MATCH precision medicine trial discovered that trastuzumab-pertuzumab, approved for HER2-positive breast cancer, can shrink tumors in patients with other types of cancer and high levels of the HER2 gene. The study found a 12% confirmed overall response rate, with partial responses in various cancers.
A long non-coding RNA called lncREST has been identified as a crucial component of the stress response during DNA replication. Its absence leads to impaired stress signalling, resulting in severe DNA defects and cell death. The discovery opens up new avenues for developing anti-tumour therapies.
A recent study has uncovered 145 genes crucial for genome stability, shedding light on genetic factors influencing human health over a lifespan. The research highlights the potential of SIRT inhibitors as a therapeutic pathway for cohesinopathies and other genomic disorders.
Researchers have identified mechanisms of resistance to tazemetostat in epithelioid sarcoma and rhabdoid tumors, leading to the development of a combination therapy strategy. The therapy uses an epigenetic treatment approach to target specific mutations that drive cancer growth.
Researchers developed a molecular predictor of radiation response using cell line data and machine learning-based approaches, capturing a wider range of biological processes. The new gene signature has the potential to aid decision-making, personalize treatments, and improve outcomes for various types of cancers.
The study classifies pediatric acute myeloid leukemia (pAML) into 23 distinct molecular categories, revealing unique biological characteristics and drivers of the disease. This classification provides a path forward for clinicians to identify distinct pAML sub-types and guide treatment decisions.
Studies at single-cell resolution reveal significant tumor cell heterogeneity and an immune-evasive environment that contributes to treatment resistance in T follicular helper cell lymphomas. A novel marker, PLS3, is also identified as a key player in this process.
A study by the University of the Basque Country uses game theory to establish that tumours with less cellular heterogeneity are more aggressive. The work suggests a fresh theoretical approach for new therapeutic strategies, focusing on preserving high intratumour heterogeneity.
Research reveals chromatin's role in preventing DNA-RNA hybrid formation, which causes genomic instability and cancer. DNA-RNA hybrids are a risk factor in tumour development, suggesting potential use as an indicator of carcinogenic risk.
A qualitative study by City of Hope highlights the importance of proper patient preparation for unanticipated, inheritable genetic findings prior to tumor sequencing. The research emphasizes the need for scalable educational interventions that facilitate informed consent, such as online tools and applications.
A new study by Cleveland Clinic researchers reveals significant differences in cell communication between breast tissue with and without BRCA1/2 gene mutations. This discovery provides a foundation for personalized medicine approaches to prevent and treat breast cancer in mutation carriers.
Researchers have identified 451 genetic variants associated with prostate cancer risk through a comprehensive analysis of nearly 950,000 men. The findings improve the accuracy of genetic risk scores and may lead to personalized screening recommendations for men at higher risk.
Researchers at the University of Leicester have received a significant financial boost to advance their cancer treatment research. The team will investigate 'liquid biopsies' to reveal vital clues about cancer genetic makeup, aiming to predict how cancer changes and which treatment works best for individual patients.
A team of researchers at Kyoto University has found that a deficiency in the enzyme B4GALT3 inhibits tumor growth in mice. The study shows that reduced glycosylation on T cell surfaces correlates with increased CD8+ immune cells infiltrating tumors.
A new study reveals that autophagy plays a crucial role in the gradual loss of DNA content in diploid Saccharomyces cerevisiae cells undergoing chronological aging. The researchers found that only diploids survived, and autophagy induction was responsible for the DNA loss.
Researchers at Cold Spring Harbor Laboratory discovered that bat genomes contain unique adaptations to defend against infection and cancer. The study highlights the interconnectedness of immunity and cancer response, revealing potential new treatments for human diseases.
Researchers from the University of Virginia Health System have made significant discoveries about the genetic influences on fatty acid metabolism in diverse populations. The study found broad similarities among groups but also notable differences, highlighting the need for genetic studies in diverse groups.
Researchers have discovered widespread genomic mutations and instability in transmissible cancers found in clams, which may explain their survival for over 200 years. The study highlights the clam's potential as a model for studying cancer evolution and developing novel strategies to block cancer in humans.
Researchers have sequenced the genomes of transmissible shellfish cancers, revealing high levels of genomic instability not seen in other cancers. The study focused on the common cockle, a species that belongs to one of the oldest groups of animals on Earth.
Cancer cells exploit enhancer DNA to accelerate tumor growth, according to researchers at the University of Toronto. The study found that specific proteins regulate this process, suggesting potential treatments through FOXA1 or NFIB suppression.
A new study sheds light on the molecular mechanisms behind immunotherapy's lack of response in certain types of cancer. Researchers found that intratumoral heterogeneity damps the immune response, leading to diminished effectiveness.
CityU and AFCR have signed a MoU to promote cutting-edge cancer-related innovative inventions and commercialization. The partnership aims to foster the development of biomedicine and related innovation, with world-leading scholars from Harvard Medical School attending the inaugural 'Innovation Series in Biomedicine' forum.
A team of Chinese and UK researchers has identified superoxide dismutase 1 (SOD1) as a potential target for reversing drug resistance in ovarian cancer. By using nanoparticles to deliver siRNA that reduces SOD1 levels, the study showed reduced growth and decreased resistance to cisplatin in female mice.
Researchers developed a targeted microRNA therapy that slowed cancer tumor growth in a 21-day study. The therapy, which combines a delivery system with modified microRNA-34a, suppressed the activity of genes driving cancer and resistance to other therapies.
Researchers identified common bladder cancer-related mutations across species, including TP53, FAT1, and NRAS in cats, and ARID1A and KDM6A in dogs. This study provides insights into human MIBC and aids understanding of bladder cancer biology across species.
Scientists at The Wistar Institute have discovered a potential target for gastric cancers associated with the Epstein-Barr Virus. Decitabine treatment disrupts the cancer's epigenetic profile, reactivating the lytic cycle of the latent EBV and leading to cell death.
A large-scale international collaborative study has identified new genes associated with breast cancer, which could lead to better risk prediction and improved clinical management. The study found evidence for at least four new breast cancer risk genes, with many others showing suggestive evidence.
A promising molecular diagnostic tool uses a single biomarker to detect primary bladder cancer in patients with hematuria, showing high sensitivity and accuracy. The noninvasive test offers advantages such as shorter turnaround time and efficient analysis of results.
A new study revealed that people in the UK have facial skin with more DNA damaged from the sun than those in Singapore, leading to a higher risk of developing keratinocyte skin cancers. This is despite lower UV light exposure levels in the UK.
A new clinical practice resource provides valuable information for healthcare professionals caring for individuals with pathogenic variants in the CHEK2 gene. The resource assesses personalized risk estimates based on family history, specific variant, and other factors.
Professor Coppedè's appointment aims to enhance the journal's focus on cutting-edge genomics research, covering topics like genome sequencing and functional genomics. He will lead Current Genomics to greater success by staying at the forefront of genomics discoveries and advancements.
A new study reveals that preoperative hydroxyprogesterone administration can improve disease-free and overall survival in patients with node-positive breast cancer by modulating cellular stress response and negative regulation of inflammation. Non-coding RNAs, such as DSCAM-AS1, play a regulatory role in this process.
A team of researchers has identified a unique genetic signature in CAR T-cells that enables them to persist in the body for a longer time, leading to improved remission rates for children with leukaemia. This discovery provides a new understanding of why some CAR T-cells last longer and can help improve treatment outcomes.
The PanDrugs2 programme analyzes alterations in tumour genes, relates them to existing available drugs, and reports on the most suitable ones. It handles data on over 4,600 genes and 14,600 chemical compounds, generating information on around 74,000 associations between drugs and genes.
Researchers have developed a polygenic risk score for colorectal cancer, which can estimate an individual's likely disease risk and identify those who may benefit from earlier screening. The score can also help determine more appropriate ages to start screening based on genetic risk.
Researchers used machine learning to build predictive models for nine common diseases based on genetic information and blood biomarkers. Blood biomarkers provided better prediction in nearly all cases, especially for near-term risk, suggesting direct links between some measures and the pre-symptomatic phase of disease.
The nucleus is metabolically active and uses antioxidant enzymes to repair DNA damage. Cells relocate mitochondrial machinery to the nucleus in response to DNA damage, highlighting a paradigm shift in cellular biology.
Researchers found that L1 jumping genes can be widely activated in normal cells, leading to the accumulation of genomic mutations over time. The study highlights the critical role of epigenetic changes in regulating L1 jumping gene activity.
Researchers have identified three subtypes of ovarian high-grade serous carcinoma (HGSC) based on genomic changes, which may help tailor therapies. The study's findings could improve treatment outcomes for patients with this aggressive subtype.
Two NYGC research teams have been selected as grant recipients under the NIH Common Fund SMaHT Network. The first team will generate a high-quality somatic variant catalog leveraging three core sequencing assays, while the second team will develop innovative tools for studying somatic mosaicism using a single-cell multi-omics approach.
Two contagious cancers, devil facial tumour 1 (DFT1) and 2 (DFT2), affecting Tasmanian devils have been tracked to understand their origins and evolution. Researchers found DFT2 is a faster-growing cancer with rapid mutations, posing a significant threat to the species.
Recent studies have highlighted the importance of tumor microenvironment in developing and controlling triple negative breast cancer progression. Researchers suggest that technological advancements like genomics and epigenomics hold promise for overcoming TNBC's current limitations.
A recent study identified novel genes that influence PARP inhibitor response in prostate cancer, including MMS22L and RNASEH2B. The research found that loss of CHEK2, a previously approved biomarker, confers resistance to PARP inhibition, highlighting the need for comprehensive genomic analysis to improve treatment decisions.
OncoMerge uses genetic data to analyze tumor activity and predict future changes. The software detects abnormal gene fusions and mutations affecting protein expression and gene copy numbers, improving the accuracy of cancer modeling predictions.
Breast tumor microbes vary significantly among women of different ethnicities, with potential implications for personalized care and disease progression. Researchers identified distinct microbial biomarkers associated with genes involved in tumor aggressiveness and immune response.
Researchers identified high expression of glypican-1 in primary solid tumors, correlating with poor prognosis in various cancer types. Suppression of GPC1 attenuated cancer cell proliferation, suggesting its potential as a novel diagnostic tool and target for therapy.
A new study from PetDx shows OncoK9 performs similarly to its landmark clinical validation study in real-world settings, detecting 26 types of cancer in high-risk dogs. The test also provides peace of mind for veterinarians and families by detecting cancer in over 94% of negative cases.
Researchers developed a novel machine-learning algorithm that analyzes a person's entire transcriptome to create an 'atlas' of pediatric cancer. The platform refines cancer diagnoses for 85% of pediatric cancer patients, identifying 455 subtypes of cancer and revealing subtle differences within subtypes.
A recent study published in JNCCN found that the lack of genomic research for people with African ancestry is hindering efforts to reduce disparities in prostate cancer outcomes. The researchers evaluated molecular genetic results for 113 Black South African men diagnosed with advanced prostate cancer, identifying 17 pathogenic and pot...
A new urine gene test can detect genetic mutations in urine that predict bladder cancer up to 12 years in advance of clinical symptoms. The test was trialled on over 50,000 participants and showed promising results, suggesting its potential for early detection and reduced unnecessary invasive procedures.
Researchers identify the minimum contribution of TACC3 for FGFR3-TACC3 fusion protein activation, revealing a novel target for treating FGFR translocation-driven cancers. The study shows that clinically identified FGFR3-TACC3 fusion proteins differ in biological activity depending on specific breakpoints.
A study found that BRCA1 mutations increase the risk of malignant mesothelioma caused by asbestos exposure. People with this genetic defect are more susceptible to tumor growth due to impaired ferroptosis defense mechanisms.