Articles tagged with Primary Tumors
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Long non-coding RNAs (lncRNAs) play a crucial role in regulating the tumor microenvironment, influencing processes such as immune evasion, angiogenesis, and metastasis. They mediate interactions between tumor cells and their surrounding microenvironment, modulating stromal cell activities and promoting tumor growth and survival.
Liquid biopsy analyzes circulating tumor components in body fluids to detect cancer at early stages, offering a safer and more dynamic alternative to traditional tissue biopsies. This non-invasive approach has shown promise in detecting various types of cancer, including lung, breast, colorectal, prostate, and gastric cancers.
Scientists have discovered a new immunotherapy strategy using type I dendritic cells to activate strong immune responses and generate immune memory against cancer. The treatment helps prevent tumor relapse in mouse models by triggering an immune memory response.
A multicenter retrospective study found that routine caudate lobe resection does not significantly improve long-term survival and recurrence for patients with HCCA. However, achieving a negative margin is crucial for improving prognosis.
A Rice University-led team developed an implantable 'cytokine factory' that triggers potent immune responses against hard-to-treat cancers. The IL-12 cytokine factory successfully induces the recruitment of tumor-targeting T cells, eliminating local and distal tumors in preclinical models.
A Phase 3 trial found that ChemoID improves objective response rates, median progression-free survival, and duration of response in patients with recurrent platinum-resistant ovarian cancer. The test identifies effective treatments by challenging cancer stem cells against specific anticancer drugs.
A novel circular RNA, circTP63-N, generated by back-splicing exons 2–4 of the TP63 gene is significantly downregulated in nasopharyngeal carcinoma (NPC) tissues. Restoring its expression effectively inhibits NPC cell proliferation and metastasis via engagement with HSP90AB1 to modulate the YAP1/Hippo signaling pathway.
The project aims to enhance CTC detection sensitivity and specificity for clinical needs in cancer early screening, diagnosis and treatment. The team will develop an integrated system covering CTC counting, classification and downstream detection of CTC proteins and genes.
Researchers at MD Anderson have made significant breakthroughs in understanding pancreatic cancer's evolutionary process and developing new treatment strategies. They also discovered that surgical resection can enhance antitumor response in patients receiving immune checkpoint therapy for advanced kidney cancer.
Researchers discovered that by targeting the Elovl1 enzyme, T cells can harness fatty acid oxidation for energy, increasing their survival and effectiveness against cancer. This metabolic reprogramming approach enhances antitumor activity and improves treatment outcomes in experimental models of melanoma and pancreatic cancer.
A new drug formulation called Rhenium Obisbemeda has been shown to significantly extend the median survival and progression-free time of glioblastoma patients, with a median overall survival time of 17 months. The treatment, which uses convection-enhanced delivery, shows promise as a potential cure for this deadly brain tumor.
Researchers combine radiation with a plant-derived compound to combat glioblastoma, forcing cancer cells into a dormant state. The approach significantly slows tumor growth and improves survival in mice models, offering a potential new avenue for combating this deadly form of brain cancer.
A new study by Rice University and Vanderbilt University researchers found that combining focused ultrasound with the existing protein therapy TRAIL can significantly reduce tumor size and burden in prostate cancer models. The therapy works by amplifying the anticancer effects of TRAIL via Piezo1 activation, which triggers cell death.
Researchers at UCSF have identified unique, cancer-specific proteins created through mistakes in RNA splicing. These antigens could be used to create potent immunotherapies that recognize and attack hard-to-treat tumors. The discovery offers new hope for glioma patients and expands the number of targets available for cancer therapy.
Researchers at Aston University and the Royal Orthopaedic Hospital are developing an injectable paste using gallium-doped bioglass to treat bone cancer. The substance has anticancer and bone regenerative properties, showing a 99% success rate in eliminating cancerous cells.
Researchers at UCSF describe how to curb MYC levels by disrupting the protein assembly line controlled by RBM42. Disrupting RBM42 in pancreatic cancer cells stopped them from growing, suggesting drugs could be developed to do the same for other fast-growing cancers.
Researchers at UCSF used CRISPR gene editing technology to transform ordinary white fat cells into 'beige' fat cells that voraciously consume calories to make heat. Implanted near tumors, these cells outcompeted cancer cells for nutrients, beating back five types of cancer in lab experiments.
A new study by UC San Francisco found a marked increase in advanced prostate cancer rates across California since doctors stopped routine screening, with death rates plateauing in most regions. The study emphasizes the need for screening that can identify fatal tumors without raising false alarms.
The foundation has awarded eight recipients of the 2025 Damon Runyon-Rachleff Innovation Award, including five early-career researchers with initial grants of $400,000 over two years. The awardees aim to develop novel cancer therapies using innovative approaches such as engineered skin bacteria and small molecule-boosted drug delivery.
Researchers identified a potential new treatment for aggressive sarcoma arising in nerves, using a pre-clinical platform that combines inhibitors targeting specific mutations. The triple combination of MEKi-BETi-CDKi showed promising results in shrinking tumors and even eliminating some cases, offering hope for improved treatment options.
P4HA1 enzyme disrupts energy production in immune cells, weakening their ability to fight cancer. Inhibiting P4HA1 restores healthy immune cell function and sustains long-term immunity, showing promise in treating solid tumors.
Researchers developed an AI model to detect brain cancer spread in surrounding tissue using MRI scans, showing 85-per-cent accuracy. This non-surgical method offers insights into patients' cancer without aggressive surgery, potentially improving treatment and survival.
A study suggests targeting endocan, a protein produced by endothelial cells in blood vessels, could slow tumor growth and make glioblastoma more vulnerable to existing treatments. The discovery may lead to new strategies to combat glioblastoma, which has an average lifespan of just 12-15 months.
Researchers developed biodegradable polymeric nanoparticles that selectively target cancer cells with two approved drug pairs for skin and breast cancers. The treatment showed significantly enhanced therapeutic effects, reduced tumor size, and prolonged median survival in mice.
A phase 2 study conducted by Mayo Clinic found that 56% of participants were alive after 12 months, with a median overall survival of 13.1 months. The treatment, which combines short-course hypofractionated proton beam therapy with advanced imaging techniques, was more effective in patients over 65 with favorable tumor genetics.
Researchers combine a precision cancer drug with an antibody and radiation therapy to eliminate tumors without causing side effects. The approach uses the cancer drug as a molecular flag for cancerous cells, allowing immune cells to target them. This method has shown promise in eliminating lung cancer in mice with minimal side effects.
A study led by UF Health Cancer Center researchers found that a toxin in the bacteria Campylobacter jejuni accelerates the spread of colorectal tumors. The findings could lead to new tools for detecting metastatic colorectal cancer early, ultimately helping determine patients who need more aggressive treatments.
Scientists have created a living cell therapy that can navigate to specific organs using a
Researchers at University of California - San Francisco designed biological sensors that can ensure engineered cells are activated in tumor environments, making cancer therapies more effective. The new sensors, called SNIPRs, can bind to soluble molecules and alter gene expression, offering a promising approach for targeted therapies.
A new mathematical model of prostate cancer has been developed, revealing key findings on genetic changes and tumour growth. The study shows that strong genetic changes are necessary for aggressive tumours to develop early in the course of tumour development.
Researchers developed a new AI-powered diagnostic system, FastGlioma, which reveals invisible cancerous tissue in brain tumor surgery. The technique may delay or prevent recurrence of high-grade tumors and improve patient survival.
Researchers at POSTECH have identified GLUT3 as essential for the suppressive function of regulatory T cells in tumor microenvironments, which can be targeted for cancer immunotherapy. The team's findings highlight the critical role of GLUT3 in regulating protein modifications that sustain immune suppression within tumors.
Researchers developed a new imaging technique using fluorescence-guided surgery to enhance visibility of tumors and nerves during head and neck cancer surgery. The technique uses two near-infrared fluorophores, one for tumors and another for facial nerves, allowing for clear differentiation between cancerous tissues and nerves.
A study found that stereotactic radiosurgery (SRS) achieved high rates of tumor control for patients with Koos grade I vestibular schwannomas. The procedure also reduced the risk of cranial dysfunction, tinnitus, and vestibular dysfunction compared to observation alone.
Scientists at Johns Hopkins Medicine identified 16 genes that breast cancer cells use to survive in the bloodstream, including MUC1, which is already in clinical trials. The research showed that hypoxic cells are able to migrate to higher oxygen levels and form metastasis in the body, leading to a worse prognosis.
Researchers discovered that tumor dormancy in breast cancer can be triggered by specific signaling changes within small cell clusters, called tumor emboli. Key mechanisms include reduced activity of mTOR and structural shifts in E-cadherin, which are regulated by the PI3K pathway.
A new study by UT Health San Antonio reveals that BRCA1 plays a crucial role in promoting error-free DNA repair through the activation of end resection enzymes. This understanding sheds light on the tumor suppressor function of BRCA1 and has important implications for breast and other cancers.
Researchers discovered a gene-mutation pathway that can lead to targeted therapies for blood cancers. The TET2 gene's enzymatic activity regulates chromatin state and leukaemogenesis, providing new therapeutic targets.
Researchers have engineered probiotic bacteria to educate the immune system to destroy cancer cells, opening the door for a new class of cancer vaccines. The bacterial vaccine proved more efficacious than peptide-based therapeutic cancer vaccines in studies using mouse models of advanced colorectal and melanoma cancers.
A new transferrin receptor-targeted immunostimulant is fabricated for photodynamic immunotherapy against metastatic tumors by interrupting the β-catenin signal pathway. The recognition of PTI and TfR promotes drug delivery into tumor cells, inducing an immunogenic cell death with the release of tumor-associated antigens.
New vaccines are being explored as a promising approach to treating glioblastoma, a highly lethal brain cancer with limited treatment options. These vaccines have been generally well-tolerated and have shown promise in improving survival rates for GBM patients.
Researchers create superhydrophobic array device (SHArD) mimicking the lotus leaf surface structure, enabling high-throughput generation of three-dimensional nanoscale tumor models. This platform helps study metastasis and primary tumors, shedding light on cancer progression.
Scientists discovered a way to kill pancreatic cancer in mice by combining a ketogenic diet with an existing cancer drug. The diet blocks the cancer's only source of fuel, allowing the drug to take effect and shrink tumors. This finding opens a new vulnerability for treating cancer with diet and personalized therapies.
Cancer cells can attach themselves to liver cells when specific proteins are present, allowing them to colonize and form new tumors. This discovery provides insights into the metastatic process and may lead to potential treatments that prevent cancer from establishing new tumors.
Researchers discuss the use of antibody-drug conjugates (ADCs) in treating biologically aggressive tumors, such as uterine serous carcinoma. The ADC T-DXd has shown remarkable preclinical activity against primary USC cells lines and xenografts overexpressing HER2/neu.
The study provides a detailed analysis of high-grade glioma molecular characteristics, revealing shifts in gene expression and tumour microenvironment. Longitudinal samples revealed unique opportunities to observe tumour evolution, shedding light on genetic and epigenetic events associated with recurrent disease.
Researchers have developed procedures for using gold nanostars to perform more efficient, conformal, and safe laser ablations for treating brain tumors. This technique addresses limitations in traditional LITT by providing improved precision for lesions greater than 3 cm or with complex shapes.
Researchers discuss primary hepatic angiosarcoma, a rare mesenchymal liver tumor, and its poor prognosis compared to hepatocellular carcinoma. Diagnosing PHA is critical due to its similar clinical presentation to HCC.
Researchers identify key factors that determine when melanoma metastasizes, shedding light on optimal treatment strategies. Understanding tumor doubling time and risk assessment can help clinicians select high-risk patients who may benefit from adjuvant systemic therapy.
Researchers developed a rapid genotyping test for patients with central nervous system lesions, detecting key mutations associated with brain cancers in samples taken during a lumbar puncture. The test eliminated the need for surgical brain biopsies in seven cases and significantly accelerated time to treatment, from an average of 12 d...
The Association for Molecular Pathology has published guidelines for tumor mutational burden (TMB) testing, aiming to standardize calculation and reporting of TMB as a predictive biomarker for immune checkpoint inhibitor therapies. These recommendations emphasize the importance of comprehensive methodological descriptions in publications.
A genomic study uncovers germline ARID1B and mitochondrial variants that may drive pediatric chordoma genesis, a rare and aggressive bone tumor. The study found aberrant indels and haywire mitochondria in 22% of pediatric chordoma samples.
Researchers at St. Jude Children's Research Hospital found that a 'Goldilocks' binding strength between T-cell receptors and cancer proteins determines anti-cancer T-cell efficacy. The optimal middle-ground binding strength creates cancer-killing effector cells, while too little or too much stimulation leads to exhaustion.
Researchers at the University of Seville discovered Galectin-3's crucial role in brain tumour progression, finding its inhibition significantly reduces glioblastoma size and brain metastases. Inhibition promotes pro-inflammatory markers and reverses immunosuppressive biomarkers, leading to improved outcomes.
Researchers have discovered how softer tumor environments prime cancer cells to better survive metastasis. The study found that soft environments alter the cancer cells' preference for 'fuel', equipping them with a more resilient energy pathway.
A faulty beta-catenin gene helps tumours evade immunity by stopping tumor cells releasing message-containing cargoes called exosomes. Silencing mutant-beta-catenin could be a viable therapeutic strategy to trigger immune cell infiltration and increase tumour-to-immune cell communication.
Researchers mapped the evolution of urinary tract cancer cells using single-cell resolution, revealing stable molecular characteristics despite metastasis. The study provides new avenues for personalized treatment strategies and targeted therapies.
Researchers at Johns Hopkins Medicine have developed a novel approach to target group 3 medulloblastoma tumors in mice, reducing tumor growth by 40-50% and extending survival by up to 84 days. The therapy uses antisense oligonucleotides to block lnc-HLX-2-7 from binding to the HLX promoter region.
Researchers at the University of Cincinnati Cancer Center have identified a new protein called p47 that helps prevent breast cancer metastasis. The study found that lower p47 expression was correlated with higher breast cancer metastasis, and that increasing p47 function could potentially lead to new therapies.
The review highlights how T cell metabolism influences their fate, particularly in response to pathogen infections and tumorigenesis. It explores the role of glucose, fatty acids, and amino acids in energy production and metabolic adaptation, which can contribute to T cell exhaustion.