Articles tagged with Tumor Development
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Researchers have discovered that reduced TGFBR2 abundance is significantly associated with hepatocellular carcinoma (HCC) in patients with cirrhosis. An AI-based process accurately identified HCC tissue, confirming the biomarker's potential for early detection.
Researchers at Dartmouth Cancer Center developed a new approach for detecting and quantifying tumor heterogeneity in breast cancer. High levels of heterogeneity are linked to poor patient outcomes, while specific proteins regulate its extent. The study aims to utilize this approach in therapeutic decision-making.
A new study by Tokyo University of Science researchers reveals that dendritic cell immunoreceptor (DCIR) plays a crucial role in the development of colorectal tumors. Blocking DCIR may prevent ulcerative colitis and colon cancer, offering a potential therapeutic target for treating these diseases.
Researchers used Guardant NGS to analyze nearly 17,000 lung cancer samples and found MET amplification in 1.2% of cases, with 20.8% having overlapping oncogenic drivers. The study suggests that high gene copy numbers and smaller amplified regions can be used to enrich for the true MET-sensitive population.
A new study led by Tokyo University of Science researchers identifies altered gene expression and cell function changes that drive DNA damage and neoplasia in cholangiocytes exposed to 1,2-dichloropropane. The findings highlight the importance of macrophage involvement in carcinogenesis.
Scientists from A*STAR and NUS Cancer Science Institute identified a key cancer progression mechanism that could lead to more effective treatments. The discovery involves reactivating the hTERT gene, which is responsible for prolonging telomeres in cancer cells.
A large clinical trial found treating anal precancerous lesions reduces the risk of developing anal cancer in people with HIV by 57%. The study highlights the need for screening and treating high-grade squamous intraepithelial lesions (HSIL) as the standard of care for older HIV+ individuals.
Researchers at the University of Cincinnati are studying how lipids help fortify lung cancer cells and if targeting them can lead to better outcomes. The team discovered that lipids play a crucial role in cancer cell growth, membrane fortification, and energy production.
Researchers have developed biodegradable nanovesicles that efficiently encapsulate and deliver PARP1 siRNA to breast cancer tumors in mice, inhibiting oncogene expression and extending survival. The polymersomes, assembled from three biodegradable block copolymers, have strong potential for precision-targeted therapeutic carriers.
A new study applies 'Deep Visual Proteomics' to cancer cells, revealing mechanisms driving tumor development and exposing therapeutic targets. The method integrates advances from four technologies to analyze protein landscapes, providing insights into cancer vulnerabilities.
Researchers discovered that neurons carrying a mutation in the Nf1 gene are hyperexcitable and suppressing this hyperactivity with lamotrigine stops tumor growth in mice. The study provides an explanation for why some people with NF1 lack optic gliomas or neurofibromas, highlighting the critical role of neurons in tumor biology.
Chronic bacterial infections can lead to chronic inflammation and DNA damage, increasing CRC risk. Salmonella infections are particularly risky, as they impair immune responses and promote tumorigenesis.
Researchers developed a droplet-based microfluidic technology to produce micro-organospheres from cancer patient biopsies within an hour. These miniature tumors retain the original microenvironment and can be used for testing many drug conditions, showing almost perfect correlation with actual clinical treatment outcomes.
Researchers developed a virus that infects cancer cells, killing them while sending signals to nearby uninfected cells for viral attack. This approach shrinks tumors and enhances cancer-killing efficacy in various models, including pancreatic and ovarian cancers.
Researchers at Moffitt Cancer Center have identified ΔNp63 as a protein that contributes to lung cancer development by regulating stem cells and crucial elements known as enhancers. The study found that mice deficient for ΔNp63 in the lung developed fewer lung tumors and had fewer stem cells compared to control mice.
Researchers have developed a new therapeutic approach to block mutated RAS proteins, which are frequently found in cancers. The method, using small molecules, has the potential to work with multiple mutant forms of RAS in various types of cancers, including pancreatic, lung, and colorectal cancers.
Four MUSC Hollings Cancer Center researchers received American Cancer Society Institutional Research Grants worth $35,000 each. The grants support promising projects that aim to push cancer care forward. Researchers are working on various innovative projects, including a digital literacy training program for community health workers an...
Researchers developed a computational model to simulate alternative spatial structures and types of cell dispersal in human tumors, finding that diverse spatial structures cause tumors to evolve differently. The model predictions are consistent with clinical data for cancer types with matching structures.
Researchers found that asthma causes immune cells to behave in a way that prevents brain tumor growth, suggesting a potential new therapeutic approach. The findings suggest reprogramming T cells to act like those in asthma patients could be a new treatment for brain tumors.
Early antiretroviral therapy reduces skin and mucosal cancers in HIV patients by preserving tissue-resident memory T cells. Prompt treatment also improves the immune response, reducing the risk of HPV-associated cancers.
New targeted therapies are being developed to target genetic alterations in cancer cells, such as the ARID1A mutation found in 10-50% of solid tumours. Early clinical trials suggest that these agents may be effective in treating multiple cancers, including breast, ovarian, and gastric cancer.
Researchers found that high levels of MYO10 induce chronic inflammation, reducing T cell function, but also increasing immune response. This led to improved outcomes with immune checkpoint blockade therapy for certain tumors.
Researchers identified a minimal set of defined factors that can convert normal human fibroblast cells to liver cancer cells, providing a mechanistic proof-of-principle for understanding why certain mutations cause cancer in particular tissues.
Research from Osaka City University reveals that hepatocellular carcinoma survival decreases as poorly differentiated tumor size increases. Tumors over 5cm have a significantly higher risk of early recurrence and spreading to other parts of the body.
Researchers have created a new mouse model that facilitates study of bladder cancer progression and immune-system activation. The model allows for investigation of gender differences in bladder cancer development and response to immunotherapy, with potential implications for improving treatment strategies.
Researchers found that light exposure triggers the formation of brain tumors in genetically prone mice, which could help prevent similar tumors in children at high risk. The study suggests using cool sunglasses or repurposing drugs to block unwanted neuronal activity and reduce tumor growth.
Scientists at The Wistar Institute have discovered a new mechanism by which senescent cells activate genes that promote tumor development. METTL3 and METTL14 proteins were found to regulate the expression of the senescence-associated secretory phenotype, a complex network of inflammatory molecules that influence tumor growth.
Researchers created novel organoid models for the cervix, identifying key turning points in cancer development and the origin of precancerous cells. They discovered two distinct stem cells controlling epithelial lineages at the cervical transition zone.
Researchers found 28 pesticides linked to mammary gland tumors, but EPA acknowledged only nine, highlighting the need for updated guidelines. The study also identified endocrine disruptors that can trigger breast cancer development.
A new mouse model reveals that YAP activation exceeds a threshold for cancer development, suggesting a paradigm shift in understanding head-and-neck cancers. Inhibiting YAP may suppress cancer development and provide a target for treatments.
A new study found that genetic variations in non-coding regions of DNA can drive cancer development. Researchers analyzed over 6 million genetic variants and discovered correlations between specific SNPs and the expression of oncogenes and tumour suppressor genes.
A study at IRB Barcelona reveals how alterations in the protein degradation system play a key role in tumour development. The team identified hundreds of potential protein recognition sequences that are used by tumours to evade the degradation of onogenic proteins.
A modelling study predicts that combining high uptake of HPV vaccine and high HPV-based cervical screening rates can prevent up to 13.4 million cases of cervical cancer within 50 years. Cervical cancer elimination is expected in most countries by the end of the century, with average rates falling to less than 4 cases per 100,000 women.
A USC study found that e-cig users develop abnormal gene expression linked to cancer development in oral tissue, similar to those seen in cigarette smokers. The research suggests that e-cigs may not be as benign as previously believed.
A study found that social stigmas surrounding HPV can make women anxious about their health and put them off cervical screening. The new HPV screening method aims to address these concerns by providing a more accurate diagnosis, reducing the risk of false positives, and improving patient confidence.
American University researchers identify Tpl2 gene's role in squamous cell carcinoma, revealing potential therapeutic target for advanced cancers. The study shows that blocking the MET receptor reduces tumors by 60%, offering new hope for treatments.
Dr. Lan Zhou's research focuses on the impact of gut microbiome imbalance, immune response, and genetics on colorectal cancer development through the serrated pathway. Her team will use mouse models and human tissue to study carcinogenic transformation and inflammation-related pathways.
Researchers at Charité are investigating how certain genomic mutations contribute to childhood cancers, using advanced DNA sequencing technologies. They aim to develop personalized cancer therapies for pediatric patients.
Researchers at UT Health San Antonio have created a novel technology that injects a modified virus into the mouse pancreas with pro-cancer molecules, resulting in human-like tumors. This breakthrough could lead to new insights into pancreatic cancer initiation and progression, as well as spur new drug development.
Researchers at the German Cancer Research Center have found that papillomaviruses associated with UV light can promote the development of non-melanoma skin cancer. The viruses affect the stability of host cell DNA, leading to accumulation of UV-related damage. This link has been previously underinvestigated in human biopsies.
Exposure to environmental chemicals, particularly during key windows of susceptibility, increases breast cancer risk. The review highlights the importance of precautionary approaches and stronger chemical safety policies.
Researchers at IDIBELL have developed an oncolytic virus that redirects the patient's immune system against tumor cells, increasing antitumor efficacy. The virus uses BiTE antibodies to activate T lymphocytes and capture them to attack adjacent cancer cells.
Scientists have identified a new mechanism by which the Epstein-Barr virus (EBV) causes cancer, involving a viral protein that leads to chromosomal instability. The discovery has significant implications for vaccine development and cancer prevention.
A recent study published in Cancer Research found that emulsifiers in processed foods can alter the gut microbiota in mice, leading to increased tumor development and inflammation. The study suggests that dietary emulsifiers may be partially responsible for the increasing incidence of colorectal cancer worldwide.
A WSU researcher has developed a modified viral vector that reduces the risk of cancer cells and can be used for multiple blood diseases. The new delivery system is being translated into a stem cell gene therapy to treat a life-threatening immunodeficiency in newborns.
Researchers uncover complex mechanism behind TGFβ's dual effect on tumors, revealing potential target for selective inhibition. The study reveals how TGFβ and Ras interact with p53 family members to stimulate tumor growth and metastasis.
Women with a history of severe cervical intraepithelial neoplasia have an increased risk of developing anal, vulvar, and vaginal cancer, according to a recent study. The study found that women with CIN3 were 4.2 times more likely to develop anal cancer, four times more likely to develop vulvar cancer, and 17 times more likely to develo...
Researchers at Umeå University found significant differences in vitamin E metabolites between healthy individuals and those with brain tumors. Further studies are needed to verify the link.
Alterations in chromatin structure are essential for cancer development, accelerating cell cycle progression and malignant transformation. Changes in epigenetic factors and histone variants confer to cancer cells the ability to reprogram their genomes.
A recent study at MD Anderson Cancer Center found that dietary sugar, particularly fructose, can increase the risk of breast cancer tumors and lung metastasis in mice. The research suggests that high sugar intake activates an inflammatory pathway called 12-LOX, leading to increased tumor growth and spread.
Mount Sinai researchers developed a synthetic vector to rapidly eliminate total cellular miRNA populations, revealing the limited role of microRNAs in modulating cell biology over long periods. This tool enables manipulation of miRNA responses for potential treatment of diseases like cancer.
A study of 85 common chemicals found that 50 disrupted cell function in ways correlated with early cancer patterns. The researchers suggest these molecules may be acting in synergy to increase cancer activity.
Researchers found that dietary capsaicin triggers a reaction that reduces the risk of colorectal tumors in mice. Chronic activation of the TRPV1 receptor by capsaicin also initiates a negative feedback on EGFR, dampening its activity and reducing unwanted growth.
Research reveals young women most at risk of cervical cancer are least likely to be offered and complete the HPV jab. The survey found that these women need targeted efforts to improve vaccination uptake, which was below 80% required for significant impact on cervical cancer rates.
A team of researchers from Duke-NUS Medical School discovered a protein complex that disrupts dedifferentiation, a process promoting tumor development. This breakthrough has implications for understanding neural stem cells and developing future cancer therapies.
Researchers at NUS found that activating Rho protein suppresses liver malignancies, providing evidence for signalling crosstalk between proteins in regulating liver overgrowth and cancer. The study paves the way for developing targeted therapeutics for liver cancer.
Researchers discover that increasing c-Fos expression in the skin promotes the development of squamous cell carcinomas, a highly aggressive type of skin cancer. Anti-inflammatory drugs can decrease tumor progression by blocking the immune response induced by c-Fos.
Researchers identified a novel mechanism by which the activity of Src is limited by the cell's skeleton, resulting in the development of tumors. The cytoskeleton network, comprising actin proteins and actin-Capping Proteins, plays a crucial role in regulating protein activity.
A Stanford study reveals that a protein complex called BAF may play a crucial role in preventing many forms of cancer. The complex, which affects DNA packaging in cells, works to suppress tumor development in various tissues.
Researchers at UNC developed a method to visualize aging and tumor growth in mice using gene-activated luminescent cells. They found that old mice were brighter than young mice, with sites of cancer formation becoming extremely bright, allowing for early identification of developing cancers.