Articles tagged with Cancer Genetics
Researchers discovered how Brachyury regulates the timing of gene expression in the notochord, a precursor to the backbone, and found that certain mutations can delay or alter this process, potentially leading to birth defects and cancer. The study sheds light on a crucial regulatory mechanism in embryonic development.
A major study has disproven the theory of a viral cause for breast cancer and glioblastoma, with over seven billion DNA sequences analyzed. The research found no genetic traces of viruses in these forms of cancer, contradicting previous theories suggesting Epstein-Barr virus and cytomegalovirus involvement.
Genetic mutations in two families with eating disorders were found to be linked to decreased estrogen-related receptor alpha and histone deacetylase 4 activity, increasing the risk of developing an eating disorder. CHST3 mutations also led to early-onset lumbar disc degeneration.
Research reveals an inherited genetic defect in the interleukin-10 (IL-10) pathway is associated with a higher risk of developing certain types of blood cancer, such as diffuse large B-cell lymphoma, in infants and children. The study suggests that chronic intestinal inflammation may play a role in cancer development.
A new tool called the HARM score reliably measures quality and clinical outcomes for colon and rectal surgery patients. The score is calculated from routinely captured data elements and has a strong correlation with the quality of clinical outcomes.
Duojia Pan received the Paul Marks Prize for Cancer Research for his groundbreaking work on cell signaling pathways and organ growth. His research has led to a deeper understanding of the Hippo pathway, which regulates tissue growth in animals.
A recent study found that inherited human herpesvirus 6 in telomeres can lead to unstable viral genomes and increased risk of reactivation. This research has significant implications for transplant patients who are often immunosuppressed, highlighting the need for screening donors for this inherited form of HHV-6.
A survey of young women with breast cancer found many overestimate the benefits of prophylactic mastectomy, despite knowing it has little impact on survival rates. The study suggests that improving risk communication and addressing anxiety are crucial to helping patients make informed decisions.
Researchers discovered that over 70% of bladder tumours display somatic mutations in the TERT gene, a protector of genetic material involved in cellular ageing and cancer. The study suggests that these mutations may occur early in the carcinogenesis process, with potential implications for diagnosis and treatment.
A team of researchers has discovered a genetic mutation specific to risk of childhood leukemia, providing a potential window into inherited causes. The PAX5 gene mutation was found in several family members with childhood acute lymphoblastic leukemia (ALL), increasing the risk of developing the disease.
The National Cancer Institute has renewed a five-year, $11.3 million grant to support research on thyroid cancer at The Ohio State University Comprehensive Cancer Center. The study focuses on four integrated projects to better understand genetic pathways and signaling in epithelial thyroid cancer.
A case study published in the Medical Journal of Australia reveals that life insurance companies have made incorrect risk-assessment judgments based on genetic information. The authors call for a more collaborative approach between industry, government, and researchers to address these issues.
Researchers at the University of Hawaii Cancer Center discovered that higher consumption of fruits and vegetables may reduce the risk of invasive bladder cancer in women. The study found significant associations between increased intake of yellow-orange vegetables and lower bladder cancer risk among female participants.
A genetic variant linked to a cell's internal clock has been associated with myeloma, a common type of blood cancer. The study identified four new genetic variants linked to myeloma, bringing the total number to seven.
Researchers identified protein biomarkers that predict ovarian cancer recurrence and chronic obstructive pulmonary disease (COPD) development. The findings suggest a potential for using protein analysis to predict patient outcomes and guide treatment decisions in both diseases.
A new biomarker, PROVAR, predicts time to ovarian cancer recurrence and distinguishes between high-risk patients. Analysis of protein biomarkers may help determine treatment plans for ovarian cancer patients.
Melanoma patients with a BRAF gene mutation may be at risk of developing secondary cancers due to activated tumor growth pathways. Researchers suggest combining BRAF-inhibitor therapy with other inhibitors to prevent paradoxical activation and emergence of secondary malignancies.
Researchers at Moffitt Cancer Center identified four genetic variants associated with increased risk of death in non-small cell lung cancer patients. These variants also indicate a greater risk of death if treatment plans include surgery without chemotherapy compared to those with chemotherapy following surgery.
Researchers at Michigan State University found that genetic background affects the outcomes of interactions between genetic mutations about 75 percent of the time. This discovery has huge implications for understanding how genes interact with each other, and may help explain why some people respond differently to treatments.
Researchers used single-cell RNA sequencing to track the genetic development of a human and mouse embryo at an unprecedented level of accuracy. The technique could lead to earlier and more accurate diagnoses of genetic diseases, even when the embryo consists of only eight cells.
Scientists have identified a novel gene, mda-9/syntenin, as a potential therapeutic target for bladder cancer. The study showed that the gene helps regulate bladder cancer growth and metastasis, making it a promising target for detecting and monitoring the disease.
A groundbreaking study reveals that nearly 340 genes on the X chromosome contribute to sperm production, surprising scientists who once viewed it as a stable and unchanging chromosome. The research, published in Nature Genetics, uses advanced sequencing methods to assemble the first accurate reference sequence of the human X chromosome.
Researchers are studying the evolution and biology of human pregnancy, genetic factors contributing to preterm birth, and racial disparities in preterm birth rates. The study aims to identify potential targets for further research and address environmental factors such as drinking or smoking.
Research by UCLA mathematician Marcus Roper reveals that fungus cells use a dynamic movement of nuclei to keep them well mixed, benefiting the organism's infectiousness. The flow is propelled by pressure gradients across the colony, optimizing nuclear mixing for maximum advantage.
A new study found that DNA abnormalities, specifically clonal mosaic events, are more common in people with type 2 diabetes than the general population. This increase in CMEs may partly explain why individuals with type 2 diabetes have a higher risk of blood cancers like lymphoma and leukaemia.
Researchers at IDIBELL and ICO aim to study pathogenicity of variants in DNA repair genes MSH2 and MSH6. The funding will improve molecular diagnostics of Lynch syndrome, enabling better risk assessment and prevention measures.
Researchers at H. Lee Moffitt Cancer Center have developed a new method to rapidly identify genetic changes in small protein fragments unique to melanoma cancer cells. The approach harnesses tumor-infiltrating lymphocytes, which have been shown to reduce cancerous lesions and improve outcomes.
Researchers from NYU-Poly and NYU have received a grant to study histone modification, a key process in gene regulation. The study aims to understand the precise mechanisms of histone acetyltransferases (HATs), which are associated with diseases like cancer and diabetes.
Researchers found that 30% of people with colorectal cancer did not act on genetic screening results, missing the diagnosis of Lynch syndrome. This study assesses the impact of routine screening for Lynch syndrome and highlights the importance of individuals taking action on test results.
A genetic rogue element known as chimeric transcript LCT13 is linked to the silencing of a tumor suppressor gene TFPI-2, promoting cancer invasion and metastasis. The study suggests that 'junk DNA' can interfere with normal cell function, providing new insights into cancer progression.
A new measure of genetic diversity within tumors has been found to predict treatment outcomes in patients with squamous cell carcinoma of the head and neck. Higher levels of genetic heterogeneity were associated with shorter overall survival, and the relationship was seen across different risk groups.
A new paper in Science pushes back against recent recommendations from the American College of Medical Genetics and Genomics, arguing that returning genetic incidental findings without patient consent violates basic human rights. The authors urge patients' autonomy to remain firmly in place as science advances.
Scientists at Texas Biomedical Research Institute have identified four genes (TENC1, ERBB3, ACVR1B, and DGKA) that influence levels of low-density lipoprotein (LDL) cholesterol. This discovery could lead to the development of new drugs to reduce heart disease risk in humans.
Researchers at Walter and Eliza Hall Institute discover that p53 protein can prevent cancer formation even without regulating cell death or division after DNA damage. The study sheds new light on the complex functions of p53, which was previously believed to have a straightforward role in preventing cancer.
A study found genetic loci associated with H pylori seroprevalence through genome-wide association studies and meta-analysis. Genetic testing for H pylori susceptibility outside of research projects is premature due to the current approach's limitations.
A novel high-throughput screening method has identified agents that can block EZH2 methyltransferase, a key enzyme in tumor development. This approach uses AlphaLisa technology to detect methylation and accelerates the identification of small molecule inhibitors for cancer treatment.
A major international study has found that sequence differences in a gene crucial to chromosome integrity predispose individuals to certain cancers. The study, published in Nature Genetics, identified variations in the TERT gene as influencing telomere length and breast and ovarian cancer risk.
Researchers identified three BRCA1 gene variants as pathogenic, increasing breast and ovarian cancer risk. These findings will improve genetic counseling and allow for personalized cancer assessment.
Researchers at Columbia University developed a new computational model that uses gene signatures to predict breast cancer survival with high accuracy. The model, which won a crowd-sourced challenge, has the potential to improve diagnostic and prognostic products for multiple types of cancer.
Researchers at the University of Alberta have identified genes responsible for DNA repair and cell division in cancer cells, which can be targeted by caffeine. The study used fruit flies with a mutant gene to find new ways to exploit caffeine's lethal effects on cancer cells.
Researchers have identified a novel surface marker called Cd1d to isolate mammary gland stem cells with unprecedented purity. This breakthrough allows for high-degree profiling of normal and cancer stem cells, potentially leading to the development of new breast cancer drug targets.
Scientists at LSU Health Sciences Center have discovered the inner workings of E6AP enzyme, controlling functions in nerve cells and viral replication. This finding provides potential strategies for designing drugs to block E6AP function in HPV and Hepatitis C viruses.
The study reveals that varying genetic information copies affect cell tolerance to cancer medication and antibiotics. This discovery may help explain differences in organism responses to environmental changes and certain medications' side effects on sperm and eggs.
Researchers have identified a set of misregulated genes common to tobacco-related cancers, which are associated with poor patient outcomes in lung and bladder cancers. These genes relate to the regulation of the cell cycle and could serve as a new prognostic tool to predict survival rates for patients with tobacco-related cancers.
Researchers identified BRCA2 gene mutation as first genetic factor for prostate cancer prognosis, associated with advanced disease and higher mortality rates. The study suggests a need for new treatment strategies for patients carrying these mutations.
Beneforté broccoli consistently produces 2-3 times the amount of glucoraphanin as other varieties without affecting yield or nutrient levels. Genetic analysis identified a single gene responsible for increased glucoraphanin production, which channels more sulphur from the soil into this compound.
A novel protein governing metastasis and chemoresistance in pediatric osteosarcoma has been discovered using K9 osteosarcoma samples. The IGF2BP1 protein's overexpression is linked to aggressive disease progression, offering a potential target for treatment.
Researchers have identified a protein called E2F3 that activates the IGF2 gene in normal development and cancer, shedding light on the genetic underpinnings of common cancers. This discovery may help understand the complex genetic choreography responsible for normal growth and diseases.
A new study links Lynch syndrome to a higher lifetime risk of prostate cancer and earlier age of onset, suggesting regular screening for men with the condition. The research estimates that men with Lynch syndrome have a 30% lifetime risk of developing prostate cancer, compared to 18% in the general population.
Researchers at Mayo Clinic Cancer Center identified the HNF1B gene as a contributor to ovarian cancer susceptibility through large-scale analysis of over 16,000 women. Variations in this gene are associated with different ovarian cancer subtypes and DNA methylation patterns.
Researchers have discovered five new genetic regions associated with an increased risk of ovarian cancer, found in over 40,000 women. These findings may lead to the development of new screening and prevention strategies for high-risk individuals.
Three Ludwig scientists - Webster K. Cavenee, Bert Vogelstein, and Robert A. Weinberg - were named Fellows in the inaugural class of the AACR Academy for their pioneering work in cancer research. The recognition honors their contributions to enhancing cancer understanding and accelerating new treatments.
A new study has identified genetic alterations in the RGS pathway as key factors linked to bladder cancer risk, recurrence, disease progression, and patient survival. The research found that specific variants were associated with increased or decreased risks, providing potential molecular markers for screening and treatment.
The study found that many young black women with BRCA mutations do not receive genetic counseling or testing, despite meeting national guidelines. This may represent a missed clinical opportunity to reduce breast cancer incidence and mortality.
Researchers characterized how the functionality of genetically engineered T cells administered therapeutically to patients with melanoma changed over time. A new population of T cells emerged at around one month that exhibited tumor-killing characteristics through epitope spreading, suggesting a potential cause for the transient response.
A genetic score based on PCa risk-associated SNPs improves predictive performance of existing clinical variables, especially for patients with low PSA levels. The study identified 25 SNPs significantly associated with PCa risk and found that the genetic score was an independent predictor of biopsy outcomes.
A new protein Smad7 has been found to protect against and heal mouth sores commonly associated with cancer treatment. The protein was administered genetically or topically to mouse models, resulting in dramatic resistance to oral mucositis development.
Researchers recommend exploring genetic testing to identify people at high risk for preventable diseases, with the technology becoming increasingly accessible and affordable. A carefully selected panel of genetic tests could avert disastrous health consequences in individuals at high risk.
Researchers developed a genetic mouse model of an incurable human cancer and demonstrated that blocking the CXCR4 receptor molecule can inhibit tumor development. The study revealed a potential target for therapy of malignant peripheral nerve sheath tumors, which are rare but highly aggressive and resistant to treatment.
Researchers have discovered a connection between a genetic variant in the FTO gene and an increased risk of developing melanoma. The study, published in Nature Genetics, suggests that this gene plays a role in various diseases beyond obesity and BMI.