Articles tagged with Cancer Genetics
A study found a nearly two-fold increased risk of lung cancer among relatives of smokers, but no evidence of an increased risk among relatives of non-smokers. The researcher hopes to identify high-risk subgroups and develop tailored interventions or screening programs.
A recent study found that genes determining breast density are associated with an increased risk of breast cancer. Additionally, researchers discovered a compound called YC-1 that slows tumor growth in mice by blocking angiogenesis, potentially leading to new cancer treatments.
Dr. Nie constructs smart nanoparticle probes to recognize DNA sequences and genetic mutations, enabling early cancer diagnosis and personalized medicine. The nanobeacons can profile multiple genes and proteins simultaneously, allowing for individualized cancer treatments based on molecular differences.
Researchers at Georgia Tech and Emory University have developed improved molecular beacons for detecting viruses and cancer cells in living cells. The beacons use fluorescent dyes and oligonucleotides to target specific genetic sequences, producing a distinct optical signal when excited by light.
The new center at Dana-Farber will conduct therapeutic antibody research, providing high affinity human single-chain antibodies to support cancer research globally. Marasco's laboratory has constructed a large phage display library to quickly isolate antibodies against various cancer targets.
The Prostate Cancer Series assesses the epidemiology of prostate cancer, highlighting the impact of genetic and environmental risk factors. Despite progress in understanding diet-related risks, familial clustering, and ethnic variation remain poorly understood, presenting opportunities for further research.
A recent study by Penn researchers refutes prior research findings on the mental health impact of genetic testing for breast cancer. The study found that genetic testing is a tool for establishing truth and examining health strategies, rather than a source of anxiety.
The Alliance has awarded grants to Dr. Andrew Davidoff, Dr. Thomas Griffith, and Dr. Jeffrey Bartlett to develop gene therapies targeting neuroblastoma, prostate cancer, and ovarian cancer. The research holds promise for improved quality of life and reduced side effects for cancer patients.
Dr. Teitell's discovery of the animal model may uncover genetic mutations that cause certain types of blood cancers. The model could lead to new therapies by identifying cell pathways involved in cancer growth.
Researchers found that family members who are not genetically at risk may feel left out of discussions about disease prevention. Mothers play a crucial role in facilitating information sharing within families, according to the study.
Researchers at Memorial Sloan-Kettering Cancer Center successfully eradicated cancer in mice using targeted immunotherapy with engineered human T cells. The study, published in Nature Medicine, demonstrates the first-in-vivo efficacy of adoptive immunotherapy with engineered human T cells in mice.
Researchers found that mice with a specific gene (Hic1) developed cancers at an older age, depending on their sex. Female mice developed lymphomas and sarcomas, while male mice developed epithelial cancers. The study provides evidence of epigenetic problems leading to cancer in mice.
The annual conference discussed sex differences in development, immune system responses, and hormone effects on disease progression. Key findings included the role of microchimerism, fetal cells in maternal circulation, and steroid hormones in autoimmune diseases, such as multiple sclerosis and breast cancer.
Researchers have identified a gene called takeout that plays a key role in controlling the sex drive of male fruit flies. Takeout is regulated by sex-specific forms of the master gene regulators DSX and FRU, and its expression in the head is required for normal courtship behavior.
Researchers found that depression is influenced by additive genetic effects on temperament dimensions, which interact with individual environmental experiences. People predisposed to harm avoidance or high reward dependence are more likely to develop depression.
Researchers create animal model that develops three types of lymphoma, shedding light on genetic mutations and cell signal pathways. The discovery holds promise for developing new treatments to block cancer-causing signals.
A study published in Immunity reveals that the MEF protein plays a critical role in the development and function of natural killer cells, which can recognize and kill cancer cells. The findings provide a new target for therapeutic interventions, potentially improving bone marrow transplant strategies.
Research suggests that smoking during adolescence increases the risk of breast cancer in women by 70%, particularly those who start smoking within five years of menarche. This is due to the sensitivity of human breast tissue to environmental carcinogens during periods of rapid cell proliferation, such as puberty.
Researchers have identified three new genes in a rhesus monkey rhadinovirus with high structural similarity to those in human herpesvirus-8, paving the way for future studies using recombinant viruses. The goal is to develop targeted drug therapies against specific KSHV genes to prevent virus spread and cancer induction.
The initiative involves over 50 investigators in Seattle and Vancouver, B.C., aiming to develop improved therapies for men with recurrent or advanced disease. Prostate cancer affects one in six men, with an estimated 189,000 diagnoses this year and 30,200 deaths.
A genetic mutation common among Ashkenazi Jews can double the risk of colorectal cancer. Researchers discovered this relationship through an international study analyzing DNA from nearly 3,100 individuals.
A recent study published in New England Journal of Medicine found that genetically identical twin pairs had similar breast densities, while non-identical pairs had breast densities about half as similar. This suggests that genetic factors play a major role in explaining why women of the same age have different breast density.
A study published in Science reveals a new risk factor for colon cancer, associated with the Bloom syndrome gene mutation. Researchers found that individuals carrying the mutated gene had nearly three times the risk of developing colon cancer compared to those without the mutation.
Researchers develop novel approach to treat thalassemias by blocking aberrant RNA splicing. The new virus effectively repairs existing RNA, restoring correct hemoglobin production and offering a lifeline for patients.
Smithies' groundbreaking work on gene targeting has led to thousands of mouse models simulating human diseases, enabling rapid advances in diagnosis and treatment. His research using genetically altered mice has also shed light on high blood pressure, a major human problem.
A recent study suggests that breast cancer susceptibility gene may be associated with lower penetrance than previously estimated. Genetic counselors must consider multiple risk factors when predicting an individual's risk for breast cancer, as the presence of a BRCA mutation does not define her overall risk.
The Center for Molecular Imaging will combine cutting-edge imaging technologies with new knowledge about genes and proteins to develop ways of seeing cancer as it begins, grows, and is killed. The laboratory discoveries made by its scientists could accelerate everything from diagnosis to the development of future medications.
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 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 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 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.