Articles tagged with Skin Tumors
Researchers have discovered a new form of immunotherapy that targets and removes specific immune cells called macrophages, which support cancer growth. The technique has shown promising results in treating malignant melanoma, with tumors shrinking after the removal of these cells.
Researchers found that cigarette smoke changes the metabolism of cells in head and neck squamous cell carcinomas, making tumors more efficient as an ecosystem to promote cancer growth. The study also identified a protein on tobacco-exposed fibroblasts that drives these metabolic changes.
A Rutgers-led team developed a groundbreaking procedure using a paramedian forehead flap to repair a patient's skull base after all other treatments failed. The innovative technique successfully closed the hole and prevented cerebrospinal fluid leak and meningitis.
Scientists create ointment to treat melanoma and Merkel carcinoma by suppressing tumor protein synthesis. The ointment's delivery system overcomes stability issues, allowing it to penetrate damaged skin cells and prevent relapse.
Researchers are using computer models developed by astronomers to create a rapid diagnostic test that can detect cancerous tissue without unnecessary biopsies. The technology has also shown promise in treating non-melanoma skin cancer, with simulations indicating that it could be effective in killing cancer cells.
Research teams discovered that uridine diphosphate glucose accelerates SNAI1 mRNA decay, impairing lung cancer metastasis. Lower UDP-glucose levels are associated with higher metastasis and recurrence rates in lung cancer.
Researchers found that immune cells recruited by tumor cells drive faster growth, suggesting targeting immune system cells could slow brain tumor growth in people with neurofibromatosis type 1 (NF1). The study suggests reprogramming T cells to shut down tumors, a promising new strategy for treating NF1.
Researchers have discovered that nerve fibers and associated Schwann cells are the origin of severely disfiguring neurofibromas in NF1 patients. The study found micro-lesions containing these nerve fibers and cells proliferate to form the bulk of the disfiguring neurofibromas.
Researchers at IRB Barcelona discovered that the antibody mAb806 can be used to treat many types of tumors with EGFR mutations, not just a specific one. The study also found that even non-mutated EGFR can be treated to make it susceptible to mAb806 therapy.
Scientists have developed a catalogue of DNA mutation 'fingerprints' caused by 41 environmental agents linked to cancer. The 'mutational signatures' can help doctors pinpoint the culprit responsible for a patient's tumour.
Researchers used mass cytometry to analyze millions of cancer and immune cells from 140 patients, discovering unique cellular compositions in each tumor. The study found that aggressive tumors are dominated by a single type of cell, while immune therapy may work for previously unsuitable breast cancer patients.
Researchers developed melanin-loaded cell membrane derived nanoparticles that improved tumor imaging and slowed tumor growth in an animal model. The nanoparticles also triggered an immune response against the tumor, making them a potential option for theranostics.
A University of Colorado Cancer Center study identifies a possible way to predict which melanomas are hot and cold for immunotherapy. Tumors with specific genetic changes in the NF-kB signaling pathway are more likely to respond to anti-PD1 immunotherapies, suggesting a potential biomarker for treatment prediction.
Researchers have identified a molecular mechanism that allows tumor cells to eliminate their neighbors through mechanical competition. The study found that compressed cells are killed by modulated EGFR/ERK signal, which is decreased and then leads to cell death. This discovery suggests a potential therapeutic strategy to halt tumor growth
Researchers at Mainz University Medical Center discovered a new signal pathway employed by skin cancer cells to evade the immune system. The ICER protein plays a significant role in this process, leading to rapid tumor growth and inflammation.
Scientists at Washington State University have discovered genes involved in Tasmanian devil facial tumor disease regression. Genetic variations found in devils that didn't die from tumors may also help humans and other mammals with similar conditions.
Zebrafish models have been developed to study the intricate molecular pathways underlying mucosal melanomas. The research identified a previously unrecognized tumor suppressor, SPRED1, and its interplay with oncogene KIT. These findings hold promise for developing precision cancer therapies for this rare and aggressive form of melanoma.
Researchers at UT Southwestern Medical Center have made a major breakthrough in understanding the biology of neurofibromatosis type 1 (NF1) skin tumors. They identified Hox-B7 as a marker for cell origin and found that modifying the Hippo pathway can slow tumor development.
Researchers found that loss of HAPLN1 protein in older patients creates a permissive environment for tumor cells to escape and metastasize. The study suggests that targeting HAPLN1 may be a new therapeutic avenue for improving long-term survival in melanoma patients.
Researchers have developed a gel-based chemotherapy that can shrink melanoma skin tumors in mice by penetrating deep into the skin. The gel, called transfersome, was found to slow tumor growth when applied daily and administered intravenously every other day, with results showing a significant reduction in tumor size.
Researchers created a new diagnostic tool using advanced analyses to identify tumors with unknown origins. The tool helped diagnose a metastasis of melanoma residing in the lung, leading to effective treatment with BRAF inhibitors.
Researchers have made a breakthrough in treating childhood brain cancer by using stem cells to track down and deliver a drug to destroy medulloblastoma cells. The approach has shown promising results, shrinking tumors and extending life in laboratory models.
ReMix uses wireless signals to pinpoint the location of ingestible implants inside the body with centimeter-level accuracy. This technology has the potential to improve proton therapy cancer treatment by allowing doctors to track tumors in real-time and deliver targeted radiation.
Researchers developed a new imaging tool to visualize metabolic activities in individual cells, tracking protein, lipid, and DNA production. The technique's potential applications include tumor removal, head injury detection, and developmental disorder diagnosis.
Researchers have developed a novel delivery system using magnetic nanoparticles to target chemotherapy drugs to spinal cord tumors, which are difficult to reach due to the blood-brain barrier. This approach shows promise in treating intramedullary spinal cord tumors with improved survival rates and reduced side effects.
Researchers at Imperial College London found that the immune system's response to toxins triggers IgE, which protects against cancer development. The study suggests that allergies may be linked to chemicals in modern environments and could lead to new skin cancer treatments.
Researchers from the University of Miami Miller School of Medicine used an HPV vaccine as an off-label treatment for a patient with advanced squamous cell carcinoma. The patient's tumors completely resolved after direct intratumoral injections, providing promising results in this innovative approach to skin cancer treatment.
Scientists discovered genetic causes of a group of related infant cancers that are targetable by existing drugs used to treat lung cancer and melanoma. Researchers identified mutations in the Epidermal Growth Factor Receptor (EGFR) and BRAF genes, which can be treated with afatinib and other targeted agents.
A new cream containing rapamycin has been shown to significantly reduce disfiguring facial tumors in people with tuberous sclerosis complex, with 80% of patients experiencing a significant improvement. The treatment offers hope for individuals affected by the condition, which affects over 50,000 people in the US.
Researchers at Université libre de Bruxelles identified different tumor transition states during cancer progression and metastasis. They found that cells with intermediate EMT phenotypes are the most metastatic populations.
A synthetic gene network implanted under the skin monitors blood calcium levels to detect four common types of cancer, triggering a visible mole when a threshold is exceeded. Early detection increases survival chances by up to 98%, significantly improving treatment outcomes.
Researchers found that married patients with melanoma are more likely to present with early-stage tumors and undergo sentinel lymph node biopsies, leading to better patient outcomes. The study analyzed over 52,000 patients with no distant metastases from 2010 to 2014.
Researchers at Lobachevsky University have developed a new generation of targeted anti-cancer drugs for photodynamic therapy. The newly synthesized molecules accumulate tens of times more efficiently and faster than existing photosensitizer parts, opening up possibilities for creating a new class of cancer treatments.
A recent study found that canine transmissible venereal tumors regress quickly due to the immune system's response, involving chemokines and host skin cells. The findings may lead to more effective therapeutic strategies for various human cancers.
A new study reveals how basal cell cancer responds to treatment and offers new ideas for controlling this disease. The researchers found that the relative location of a cell within a tumor can have a big effect on its sensitivity to drug treatment.
Researchers at Hokkaido University have identified a cellular protein called STAP-2 that stabilizes the EGFR signaling pathway, leading to increased cell proliferation and tumor formation in prostate cancer. Suppressing STAP-2 with inhibitors could potentially treat Gefitinib-resistant prostate cancers.
Researchers found a specific fusion gene in cutaneous squamous cell carcinoma lesions exposed to the sun, which may play a role in cancers caused by ultraviolet irradiation. The discovery could lead to improved diagnostics and therapies for this type of skin cancer.
Researchers found seven genes with altered expression in melanoma patients, which could serve as biomarkers for diagnosis and therapeutic targets. The synthetic compound DM-1 induces cell death by increasing the expression of TOP-1 and ADK genes.
Researchers at Ludwig Institute for Cancer Research have identified a novel mechanism by which certain skin cancers, such as melanoma, resist cancer immunotherapy. The study found that an immune cell recruited to the tumor induces programmed suicide in killer T cells, and this interaction can be disrupted to improve treatment efficacy.
A pilot study shows that fluorescent imaging with antibody cetuximab can specifically distinguish cancer from normal tissue in patients with glioblastoma. The technique allows surgeons to visualize tumors more clearly, potentially leading to better progression-free survival.
Researchers in Brazil are testing a technique combining low-intensity electric current with nanoencapsulated chemotherapy to treat skin cancer. The study found that topical application combined with iontophoresis resulted in a significantly greater reduction in tumor size and made the tumor less aggressive.
Researchers discovered Hu-Kaiwen ink can kill cancer cells without harming normal tissues, offering an alternative to expensive and toxic PTT. The traditional Chinese ink absorbs near-infrared light and heats up when exposed to a laser, demonstrating its potential as a non-toxic photothermal therapy agent.
A phase 1b clinical trial found that combining pembrolizumab with T-VEC resulted in a 62% overall response rate and a complete response rate of one-third in metastatic melanoma patients. The treatment combination worked by transforming cold tumors into hot ones, allowing pembrolizumab to deliver a beneficial enhancement.
Researchers have created laboratory models of 12 types of pediatric cancer, enabling the study of tumor development and sensitivity to drugs. The HHMI is making these models and related data freely available to the scientific community, aiming to accelerate the discovery of new therapies for childhood cancers.
Researchers found that mutated Ras causes ER stress, activating IRE1, which can both promote and inhibit tumors. IRE1 degrades messenger RNAs to help cells survive but also expresses proteins that fix unfolded proteins.
Researchers have found a high frequency of GISTs with NF1 gene mutations in the duodenal-jejunal flexure. This discovery highlights the importance of genomic testing for patients with GIST and potentially affected family members.
Tumor cells develop resistance to immunotherapy by downregulating MHC class I molecules and triggering immunosuppressive processes. Inhibiting the epigenetic control protein Ezh2 improves treatment efficacy, leading to increased tumor mass shrinkage and extended tumor-free survival.
A new study published in Scientific Reports found that daily tomato consumption reduced skin cancer tumors by 50% in male mice, while female mice showed no significant differences. The researchers suggest that dietary carotenoids, particularly lycopene, may protect skin against UV light damage.
Electrochemotherapy (ECT) combines electro-poration with chemotherapy to increase drug uptake in tumor cells, enhancing the radiosensitizing effect. The treatment has been shown to be effective in treating progressive skin tumors in the head and neck area, preserving cosmetic appearance and function of surrounding tissues.
Researchers found that distinct variations in protein expression levels, rather than genetic alterations, are linked to response or resistance to immunotherapy drugs. The study identified specific genes and proteins associated with tumor growth and immune evasion, paving the way for new therapeutic targets.
Researchers reconstructed green turtle skin in a lab to study tumor diseases and grow a virus called ChHV5. This breakthrough helps understand fibropapillomatosis, a deadly tumor disease affecting endangered turtles worldwide.
A study by researchers at the University of Freiburg found that activation of FOXO can induce tumors in stem cells without initial DNA damage. The team discovered that signals inducing this cancer come from surrounding tissues, including epidermis.
Researchers discovered that tumor-associated macrophages steal checkpoint blockade antibodies from T cells, leading to improved responses in mouse models. Blocking FcγR receptors allows checkpoint inhibitors to effectively target cancer cells.
A team of researchers at the University of Iowa documented how melanoma cells form tumors in a 3D model, finding similarities with breast tissue cancer cells. They identified two drugs, anti-beta 1 integrin/(CD29) and anti-CD44, that block tumor creation in both types of cancer.
Biologists at Johns Hopkins have found that extra centrosomes in mice can lead to tumor formation due to improper chromosome separation. This discovery provides a new model for cancer research that more closely mimics human tumors, with half of the mice developing cancer within 9-18 months.
Research has discovered a new biological target for reducing tumour spread in cancer patients. The Spns2 gene was found to be involved in regulating the spread of cancers, with targeting it leading to a three-quarters reduction in tumour spread.
A new study reveals that RAF1 acts as a negative regulator of hepatocellular carcinoma, while promoting growth in inflammatory cells. This finding highlights the need for a more thorough understanding of the disease at the molecular level to design novel therapies.
Two studies published in PNAS found that checkpoint blockade therapy is only effective for a subset of cancer patients with 'hot' T-cell-inflamed tumors. Researchers identified dendritic cells and tumor antigens as key factors influencing treatment response.
A study by London researchers found that standard radiation margins may not be large enough for all patients with non-melanotic skin cancer. Using protoporphyrin fluorescence, the team was able to determine more precise treatment volumes, resulting in improved patient outcomes and reduced recurrence rates.
A new fruit fly model mimics HPV-induced cancer, allowing scientists to understand the underlying mechanism and identify potential drug targets. The model reveals essential roles for Magi and the insulin receptor in E6-driven malignancy.