Research on the cell biology of tumors. Covers cancer-cell vulnerabilities, tumor spread, nanoreactor therapies, and AI-guided cancer research.
Scientists have discovered a chemical mechanism by which argyrin destroys tumours and prevents protein breakdown, leading to reduced tumour growth and no side effects. Researchers are now working to optimize the molecule for clinical testing in the near future.
A new study reveals that mantle cell lymphoma incidence is increasing, especially among men and Caucasians, with advanced stages detected in nearly 75% of patients. The research also highlights the need for better understanding of the disease's epidemiology and development of novel treatment agents.
A study by UT Southwestern Medical Center reveals that the protein TCF7L2 actually suppresses the growth of human cancer cells in culture, contrary to its previous role in promoting colorectal cancer. This groundbreaking finding opens new avenues for understanding and treating colorectal cancer.
Scientists discovered a compound, STF-62247, that induces autophagy in VHL-deficient kidney cancer cells, leading to selective cell death. This finding represents a new direction for targeted therapy against kidney cancer.
Researchers have identified a novel activity, called mitotic checkpoint factor 2 (MCF2), that prevents cells from dividing with improperly separated chromosomes. This finding may help increase the efficiency of cancer drugs and improve our understanding of mitosis.
A University of Texas at Austin biomedical engineer has received a $1.5 million grant to develop molecular imaging technologies for cancer screening, diagnosis, and therapy using nanoparticles. The project aims to detect and treat cancer at the cellular level, targeting cancer cells while sparing healthy tissue.
Researchers discovered how filopodia extensions are generated and integrated with lamellipodia/ruffles in human cancer cells. The study reveals a complex interplay between these actin-based structures, suggesting that suppression of filopodia is needed for efficient cell migration.
Researchers use monoclonal antibodies attached to carbon nanotubes that heat up when exposed to near-infrared light, killing cancer cells. The technique shows promise for targeting specific sites on lymphoma cells and potentially delivering a deadly payload.
Researchers developed a computer-based method called CoMet to analyze cellular activity and predict anti-tumor activity of metabolites. The tool identified nine metabolites that exhibit anticancer properties when added to leukemia cells.
Researchers at Tufts University have found that Smad proteins control the processing of a subset of microRNA, including miR-21. This discovery reveals a new role of Smad proteins in regulating microRNA processing, which is a contributing factor in cardiovascular disorders and cancer.
A Phase 2 clinical trial of GCS-100, a polysaccharide targeting galectin-3, demonstrates apoptosis induction and reduced leukocyte counts in relapsed CLL patients. The treatment was generally well tolerated with mild-to-moderate adverse events.
Researchers have developed artificial viruses that can transport genes and drugs into cancer cells, eliminating immune responses and potential side effects. The viruses are self-assembled using a ribbon-like protein structure, allowing for precise control over their size and shape.
Researchers at Duke University Medical Center have identified a subset of immune system B cells that can regulate inflammation. These regulatory B cells, called B10 cells, produce a potent cytokine that inhibits immune responses. Depleting or enhancing these cells may lead to new treatments for autoimmune diseases and cancer.
UT Southwestern faculty members Dr. Lora Hooper, Dr. Youxing Jiang, and Dr. Hongtao Yu were named as Howard Hughes Medical Institute investigators for their outstanding biomedical research. The HHMI appointment brings the total number of UT SWM faculty members to 13.
Delft University of Technology researchers have observed the spontaneous repair of DNA damage in real time, revealing a key mechanism for repairing breaks. This insight is crucial as errors in this process can lead to cancerous cell development.
Researchers at Goethe University Frankfurt have discovered two gatekeeper proteins, Rpn13 and an ubiquitin receptor, on the proteasome. This finding has significant implications for cancer research, as it may lead to the development of targeted drugs that can block protein breakdown and prevent tumor cell proliferation.
GAL-3 stimulates pancreatic stellate cell activation, which promotes the proliferation and invasion of pancreatic cancer cells. This interaction provides a new therapeutic target for controlling pancreatic cancer.
A new test using galectin-3 may help identify benign thyroid nodules, reducing the need for surgery. The test showed high sensitivity and specificity, with a positive predictive value of 82%.
Researchers have developed a novel method to expand natural killer cells from umbilical cord blood, effectively killing human leukemia cells in mice. The treatment demonstrates significant cytotoxic activity against both acute lymphocytic leukemia (ALL) and acute myelogenous leukemia (AML).
A new biosensor measures the oxidation state of glutathione, an important protection molecule, to detect cellular stress. The sensor is highly sensitive and precise, allowing researchers to track short-term variations in oxidative processes.
Researchers discovered a drug combination that inhibits glycolysis and intensifies cellular starvation, resulting in over 90% cell death in human tissue cultures of acute lymphocytic leukemia. The novel approach offers a promising alternative to current treatments.
A team of researchers led by University of Saskatchewan microbiologist Wei Xiao has found a way to trigger a protein combination that sends an SOS signal for cells to fight cancer-causing agents. The discovery could lead to better cancer diagnosis and potentially pave the way for a new type of drug.
A study reveals that immune killer T cells induce cell death by disrupting mitochondria in two distinct ways, targeting enzymes and reactive oxygen production. This understanding provides a new insight into the major T cell defense pathway against viral infections and cancer.
Researchers found that vitamin D increases expression of a key enzyme, protecting prostate cells from damage and injuries leading to cancer. Vitamin D also reduces reactive oxygen species, which can damage DNA and play a role in aging or causing cancer.
Researchers at Melbourne's Walter and Eliza Hall Institute have discovered a key step in the 'puncture' mechanism of cell death, which drives apoptosis. The discovery has important implications for the development of drugs that can regulate cell death, with potential applications in cancer and degenerative disease treatments.
The Nix protein plays a crucial role in the maturation of red blood cells by facilitating autophagy, a process that removes damaged organelles like mitochondria. This regulation is essential for maintaining cellular quality and preventing anemia.
Researchers found higher levels of beta-catenin, a protein involved in cell signaling and development, in the brains of chronic alcoholics. The protein may play a role in the reward circuitry, suggesting a potential treatment target for alcohol dependence.
Researchers found that tumor cells can become resistant to radiation by jamming their self-destruct mechanisms, which could lead to improved cancer treatments. The study suggests that controlling the blocking-unblocking mechanism of DNA sequences involved in cell death may be key to making cancer cells sensitive to radiation again.
Research found that herbal extracts from Phyllanthus emblica and Terminalia bellerica exhibit synergistic growth inhibitory effects when combined with conventional cytotoxic agents like doxorubicin and cisplatin. This enhances therapeutic efficacy while minimizing side effects, offering a potential new approach to cancer treatment.
Scientists have determined the crystal structures of two DNA-repair proteins, AlkB and ABH2, which repair alkylation damage to DNA. This discovery could lead to designing molecules that interfere with the repair process, making cancer treatment more effective.
Researchers at Cold Spring Harbor Laboratory have discovered a biochemical pathway where adenoviral protein E1A binds to p400, stabilizing Myc, a key oncoprotein. This interaction can lead to the promotion of cancer cell growth and tumorigenesis.
Researchers at Yale University have discovered a new drug compound, NV-128, that can induce the death of ovarian cancer cells resistant to chemotherapy. The compound works by halting the activation of the mTOR protein pathway, which is associated with tumor growth and resistance to conventional therapies.
Researchers have found that cancer cells use glucose to avoid programmed cell death and maintain survival through the protein Akt. By exploiting this mechanism, cancer cells can bypass normal safeguards and continue to grow even without growth factors.
Researchers present promising results for new therapies targeting VEGF receptors and blood vessel formation in various types of cancer. These treatments have shown potential to shrink tumors and prolong survival for patients with glioblastoma and rectal cancer.
Researchers have discovered novel methods for delivering drugs directly to cancer tumors, including the use of peptides and nanotechnology. These methods show promise in reducing malignant tumors in mice and increasing survival rates.
A University of Central Florida scientist has secured $1 million in NIH funding to research the death protein, BAX, which could lead to breakthroughs in treating cancer and heart disease. By understanding how BAX triggers cell death, she hopes to develop a peptide-based therapeutic approach to stimulate or protect healthy cells.
Scientists at Northwestern University successfully blocked the communication between inflammatory cells and prostate cancer cells, reducing their invasive activity. The findings suggest using existing anti-inflammatory drugs to control cancer spread and metastasis.
Researchers observed a group of six enzymes forming a cluster in living cells, which are essential for cell replication and DNA production. This discovery could lead to new cancer treatments by disrupting purine synthesis and halting cancer cell replication.
Researchers at USC have found that fasting for two days protects healthy cells from chemotherapy, while leaving cancer cells vulnerable. This discovery holds promise for developing more selective and less toxic chemotherapy treatments.
Researchers found that microRNA miR-200 is a consistent marker of cancer cells expressing E-cadherin but lacking Vimentin. Altering miR-200 levels induced changes consistent with either inducing EMT or the reverse process.
Researchers have created a novel nanomachine, called nanoimpeller, that can capture and store anticancer drugs inside tiny pores and release them into cancer cells in response to light. The device has strong implications for cancer treatment and may open a new avenue for drug delivery under external control.
Researchers at Uppsala University created a new method to film blood vessel cells moving in response to signals, enabling the study of cancer cell migration and nerve control. The technique can also be used to understand how desirable vessel formation occurs during wound healing.
Researchers found that resveratrol induces pancreatic cancer cell death by crippling the mitochondria's energy function, leading to apoptosis. The study suggests that moderate red wine consumption may not be contraindicated during chemotherapy or radiation treatment.
Dr. Adam Marcus receives $80,000 award to study lung cancer cell invasion and mutations of the LKB1 protein. This research could lead to novel diagnostic and prognostic approaches to control lung cancer malignancy.
The HPV vaccine GARDASIL has been shown to reduce abnormal Pap test results by 43% in women, preventing the development of cell changes that lead to cervical disease. This reduction also translates to fewer invasive procedures like cervical biopsies, with a 42% decrease observed in GARDASIL recipients.
Researchers at MIT have devised a simple and inexpensive method for sorting different types of cells, which could lead to low-cost tools for diagnosing diseases like cancer. The new device relies on the way cells interact with a surface by rolling along it, allowing specific types of cells to be separated.
Researchers discovered that roundworms use both G and C motifs to protect chromosomes, each uniquely attached to the DNA
Researchers at Rockefeller University discovered a tiny RNA molecule that helps skin cells form a protective barrier. MicroRNA-203 plays a crucial role in regulating genes outside the cell's nucleus, specifically suppressing the activity of p63 to prevent stem cells from proliferating excessively.
Researchers developed artificial cell-like particles made of biodegradable material that can target specific diseases or infections. The new method enhances T cell activation by up to 45 times, addressing limitations of previous immunotherapy procedures.
Researchers at Virginia Tech are developing a treatment for prostate cancer using the Newcastle Disease virus. The virus targets specific proteases secreted by cancer cells, generating apoptosis and killing diseased cells. This is a promising new approach to fighting cancer.
Researchers at UCSD developed a gene therapy protocol that successfully activated the immune system in six patients with chronic lymphocytic leukemia. The protocol introduced a gene with potential to activate an immune response and resulted in the production of antibodies reacting against leukemia cells.
Researchers at the University of Wisconsin-Madison found that administering interleukin-7 during a specific stage of infection can increase the number of killer cells capable of destroying virus-infected cells, enhancing immune memory. This discovery may lead to improved vaccine efficacy against HIV and cancer.
Researchers at the University of Minnesota have discovered a novel pathway to turn off immune system cells in humans, which could lead to new treatments for autoimmune diseases like rheumatoid arthritis and lupus. The study also identified a potential target for preventing cancer cell division.
Researchers at Dartmouth Medical School have discovered that the adenomatous polyposis coli (APC) gene plays a dual role in regulating cell growth, acting as both a tumor suppressor and a gas pedal in cell signaling. This new understanding may help identify therapeutic targets for colon cancer treatment.
An international team of scientists discovered 480 genes that regulate human cell division and identified over 100 genes with abnormal patterns of activation in cancer cells. These findings provide insights into how cancers develop and potentially lead to new treatments.
Researchers studied yeast cells to understand actin network regulation, which is crucial for cell movement. The study found that Arp2/3 regulatory proteins have distinct roles in actin assembly and endocytosis, shedding light on the immune system's ability to target disease-causing invaders and cancer cells' migration.
Researchers have discovered a new platinum-based compound that is up to 80 times more powerful than current anti-cancer drugs and can target cancer cells with high accuracy using light activation. The compound's stability and non-toxicity in the dark make it an attractive alternative for treating surface cancers.
A new study published in PLOS Computational Biology suggests that the inefficient process of replacing worn-out cells is a defense against cancer. The researchers found that multicellular organisms use a complex system to replace lost cells, which suppresses mutations that could lead to uncontrolled cell growth.
Researchers at Stanford University School of Medicine have isolated a human blood cell called the multipotent progenitor, which is thought to be the great-grandparent of all cells in the blood. This finding could lead to new treatments for blood cancers and other blood diseases.
Researchers found that a specific protein-protein interaction, involving the rogue Ras protein and its binding partner Raf, blocks the switch from being turned off, leading to uncontrolled cell proliferation. The study resolves a paradox in the behavior of Ras mutants in cells versus solution.