Articles tagged with Cancer Cells
Researchers at Duke University have identified specific DNA regions in yeast that are prone to breakage, mimicking cancer cells' chromosomal instability. By slowing down DNA replication, they found that certain retrotransposon sites become more susceptible to kink formation and rearrangements.
Researchers have solved the structure of an essential RNA domain in telomerase, a crucial enzyme in cancer cell division. The discovery provides insights into how telomerase works and could lead to targeted drug interventions.
A new study found that cholesterol plays a crucial role in regulating cell signals by interacting with the oxysterol binding protein (OSBP), which controls the deactivation of ERK. This mechanism helps maintain proper levels of active ERK, preventing cancer growth.
Hexaminolevulinate, a fluorescence-inducing compound, enables early detection of superficial bladder cancer lesions. This increases the five-year survival rate to 90% and reduces recurrence rates.
Researchers found celecoxib reduces prostate cancer cell growth and proliferation by targeting both COX-2 and cyclin D1. In animal models, celecoxib also reduced tumor mass and blood vessel density, suggesting a potential new therapeutic approach for treating prostate cancer.
A Yale research group found that CTCL cells require antigenic stimuli delivered by Langerhans cells to replicate. The study identified cryptic self-antigens presented by LC to CTCL receptors, stimulating rapid division and regulatory T cell formation.
The study shows that blocking CK2 activity makes cancer cells sensitive to TRAIL-induced apoptosis, a promising strategy for treating colorectal cancer and other solid tumors. Researchers used a CK2-inhibitor or short hairpin RNA to block CK2 activity, sensitizing cancer cells to TRAIL and inducing cell death.
Researchers at Dana-Farber Cancer Institute have developed a new compound, AMN107, which targets Bcr-Abl kinase protein responsible for CML growth. In laboratory cell cultures and mice with the disease, AMN107 demonstrated effectiveness in killing CML cells and inducing longer remissions compared to Gleevec.
A UCLA study found that green tea extract may help fight bladder cancer by interrupting the development of invasive cells. The extract affects actin remodeling, a process crucial for cell movement and invasion.
A mouse model of leukemia reveals a causal link between Shp2 mutations and leukemia, pointing to these mutants as attractive therapeutic targets. The study's findings suggest that current treatments are often ineffective and highlight the need for clinical trials of Ras/Mek inhibitors.
Researchers found that CLL cells divide at a fast rate and their production is variable, leading to fluctuations in disease activity. This dynamic interplay between cell division and death rates challenges the long-held view of CLL as an accumulative disorder.
Researchers using 'heavy water' tracked leukemia cell birth and death rates, revealing dynamic process with mortal cells that proliferate and die. The study found faster birth rates of leukemia cells correlate with poorer patient outcomes, paving the way for potential new methods of prediction and treatment guidance.
A novel sensor has been developed to measure tiny changes in cell volume, providing real-time results for antibiotic sensitivity testing. The technology, known as 'cell volume cytometry,' is highly sensitive and can detect changes in cell dimensions never seen before in living cells.
A new study has created a cancer-killing compound that selectively targets leukemia cells, while sparing normal cells. The compound, derived from the wormwood plant, works by exploiting the unique iron needs of cancer cells.
A team of researchers at the University of Manchester has discovered that cell communication signals can be more complicated than previously thought. This breakthrough should help scientists better investigate what happens when these signals go wrong, potentially leading to new cancer treatments.
Researchers at the Mayo Clinic have successfully created an 'obedient virus' that can specifically target and destroy cancer cells, paving the way for potential use in human therapies. The virus was engineered to seek out cancer cells instead of healthy cells, and has been shown to be effective in laboratory tests.
Researchers have identified a possible strategy for treating acute viral infections by blocking cellular signaling pathways that viruses depend on for reproduction. The approach, using an experimental cancer drug called CI-1033, has shown promising results in laboratory samples and lab mice infected with viruses similar to smallpox.
Researchers have developed a method to assemble nanoparticles using DNA molecules, enabling targeted delivery of drugs and contrast agents to cancer cells. The approach uses dendrimers, star-like synthetic polymers that can carry multiple molecules, and allows for rapid synthesis and self-assembly of nanoparticle complexes.
Researchers have developed a way to distinguish and separate specific brain cell subtypes for genetic analysis using DNA microarrays. This technique will aid in understanding the development and function of the brain, potentially leading to new treatments for neurological disorders such as amyotrophic lateral sclerosis.
Researchers at Memorial Sloan-Kettering Cancer Center have identified a new oncogene called Pokemon, which is essential for cancer cell growth and transformation. The discovery opens up new avenues for targeted therapy, with a focus on blocking the protein's function to prevent cancer progression.
Researchers found that inhibiting tankyrase 1 enhances telomere shortening and accelerates cancer cell death when combined with telomerase inhibitors. This strategy may reduce drug treatment time and minimize acquired resistance.
Researchers found that a protein in plants plays a crucial role in controlling DNA doubling, which can lead to cancer cells. The study suggests that an error in the human counterpart of this protein could contribute to cancer development.
Researchers found histone macroH2A and regulators HIRA/ASF1a play key roles in forming SAHF, which promote senescence. Activation of these proteins leads to efficient senescence-associated cell cycle exit.
Researchers discovered three proteins, HIRA, ASF1a, and PML, that contribute to the formation of senescence-associated heterochromatin foci (SAHF), which silences genes promoting cell growth. This finding may lead to new cancer treatments and a better understanding of human aging.
A newly discovered compound, SP-4-84, has shown potential to enhance cancer treatments by increasing the effectiveness of chemotherapy drugs while reducing side effects. The compound works by inhibiting cancer cells' ability to survive chemotherapeutic treatment, allowing for lower drug dosages and fewer side effects.
The discovery of the first histone demethylase reveals a dynamic process of gene regulation via methylation of histones. This finding has significant implications for cancer therapeutics and may open up new avenues for understanding gene activity.
A Purdue University scientist has discovered that gamma-tocopherol, a form of vitamin E found in plant seeds, can inhibit the growth of prostate and lung cancer cells without harming healthy cells. The study suggests that supplementing with mixed forms of vitamin E may enhance its anticancer effects.
Researchers discover how the hepatitis virus's X protein influences liver cell behavior, potentially leading to alternative cancer therapies. The protein's presence in patients' livers could be harnessed to target only cancerous cells.
Researchers at Stanford University School of Medicine developed a technique to eliminate graft-versus-host disease without compromising cancer treatment. In clinical trials, the therapy showed promising results with only one patient developing severe graft-versus-host disease out of 37 treated patients.
Researchers found that PGE2 activates AKT phosphorylation events to block bax translocation and prevent cell death in radiation-exposed mice. This mechanism suggests that PGE2 or similar drugs could reduce radiation-induced small intestine injury, but may not be effective for cancers with mutated bax.
Scientists find that ferritin heavy chain (FHC) induces apoptosis prevention by sequestering iron, reducing oxygen radical accumulation. This mechanism regulates NF-kB's immune response, potentially preventing chronic inflammation and autoimmune diseases.
Researchers discovered a molecule that brings DNA polymerase alpha to replication sites, and it stabilizes the complex. This finding suggests that targeting Mcm10 may prevent cancer cells from multiplying.
Researchers found low-dose radiation killed up to twice as many cells as high-dose, suppressing ATM protein's repair mechanism. The study suggests using viruses to deliver ATM-blocking drugs to cancer cells, which shows promise in killing more cancer cells than traditional radiation.
Researchers have identified a new region on the bcl-2 gene that regulates its expression and stability. This discovery may lead to the development of new cancer therapies by targeting the CA-repeated Region (CAR) to reduce bcl-2 levels in cancer cells.
Exposure to cigarette smoke condensate breaks both strands of DNA and compromises chromosome integrity in human fibroblasts. This can lead to genetic imbalances and increased cancer risk due to the formation of anaphase bridges and reactive oxygen species.
Researchers at the University of Texas M. D. Anderson Cancer Center have discovered a critical molecular switch, GSK-3ß, that allows cancer cells to become mobile and move away from tumors. This discovery provides an anticancer strategy to pursue by boosting GSK-3ß activity, which can repress the ability of cancer to spread.
Huberman and Yompakdee found a stretch of DNA surrounding late-firing origins that contains repeats rich in the nucleic acid component guanine. These repeats, called Late Consensus Sequences (LCS), affect replication timing, with more copies causing regions to replicate late.
Researchers found that THC prevents viral reactivation in gamma herpes viruses, which are linked to certain cancers. The study suggests a potential antiviral drug based on nonpsychoactive derivatives of THC, but further research is required.
Scientists successfully eliminated leukemia in genetically modified mice by disrupting the BCL-2 protein. The study provides strong support for a new paradigm of cancer treatment involving targeted apoptosis regulation.
Researchers have developed core/shell nanogels that can target cancer cells using folic acid, a nutrient that cancer cells absorb more than healthy cells. The nanoparticles can be heated to kill cancer cells, but applying targeted heat sources like ultrasound can spare healthy cells.
Researchers have discovered a small, Smac-like molecule that can encourage the death of cancer cells without harming normal cells. The compound mimics the natural protein Smac, which normally regulates cell death in healthy cells.
Researchers stiffened a critical protein 'death domain' to target and destroy leukemia cells, showing promise for novel cancer treatments. The approach uses natural sequences to develop highly specific drugs, potentially unlocking new therapies.
The green tea gum helps eliminate free radicals that can damage DNA and lead to cancer. It also protects healthy cells by targeting cancer cells for destruction.
A study published in Cancer Cell found that zebularine slows cancer-cell growth by up to 68%, but only 21% in normal cells. The drug works by demethylating specific genes, offering a promising new approach to cancer treatment with fewer side effects.
A mouse model of Werner's syndrome reveals a link between aging and cancer development, suggesting that telomere shortening accelerates disease progression. The study suggests that genomic instability is a common denominator in both aging and cancer, with telomere length playing a key role.
Researchers use a novel chemical reaction in living mice to tag cells and attach tracer molecules to sugars on cell surfaces. This technique could help doctors pinpoint inflamed or cancerous cells for diagnosis. The method allows for the exploration of biosynthetic pathways and the examination of functional consequences.
A research team has identified a new pathway for the display of foreign proteins to the immune system, distinct from the conventional TAP-dependent pathway. This alternative pathway requires cysteine proteases and contributes to immunity against viruses and transplanted tissues.
Researchers discover Rho proteins cause cells to break off and form colonies distant from the original cell colony. This phenomenon may lead to the development of more specific treatments for cancerous cells.
Researchers found DNA and proteins from BK virus in prostate tissue with abnormal cell changes, a precursor stage of prostate cancer. The virus may induce uncontrolled cell growth, leading to cancer.
Researchers found that angiotensin-(1-7) significantly slows the growth of three human lung cancer cells in laboratory tests. The hormone is thought to regulate cell growth by reducing rapid proliferation and increasing cancer cell death, offering a potential new treatment approach for lung cancer.
Stanford researchers have developed a new technique to analyze cellular behavior in leukemia patients, identifying patterns that predict response to treatment. By understanding how cells respond to environmental signals, doctors can propose less common therapies and tailor treatment options to individual patients.
Researchers at the Salk Institute have discovered a critical component of the complex that enables NF-kB to trigger inflammatory responses. The study identifies ELKS protein as essential for NF-kB's function, opening new avenues for treating autoimmune diseases like lupus and arthritis.
Researchers find that combining discodermolide and paclitaxel inhibits human lung cancer cell growth by 41 percent, while alone the drugs exert only 9.6% or 16% growth inhibition. The combination also induces programmed cell death in cancer cells, suggesting a potential therapeutic approach for reducing undesirable side effects.
Researchers at UT Southwestern Medical Center discovered a protein called NHE1 that regulates cell acidity by directly detecting volume changes. This control is crucial for cell growth and proliferation. The study found specific differences in how NHE1 responds to changes in cell volume compared to another similar transporter, NHE3.
A Clemson bioengineer has created a method using laser beams to align cells in a pattern, simulating tissue environments on a small scale. This technology could lead to early detection of cancer, saving lives, by detecting cellular responses to light.
Researchers used mouse models to study how Rituximab removes human B cells, revealing that antibodies allow recognition by macrophages, which carry antibody receptors. This discovery may lead to the development of better therapies for lymphoma and autoimmune diseases like rheumatoid arthritis.
Researchers developed a new cancer treatment combining radioimmunotherapy with conventional chemotherapy, achieving complete remission in 72% of patients with follicular non-Hodgkin's lymphoma. The approach may improve treatment outcomes by targeting remaining cancer cells after chemotherapy.
Researchers discovered that stable expression of small interfering RNA sensitizes TEL-PDGFbetaR to inhibition with imatinib or rapamycin. This finding suggests a new approach for treating cancer by targeting specific genes.
A new treatment approach has been developed to prevent autoimmune diabetes in mice by blocking the interaction between NKG2D on T cells and proteins found on abnormal cells. This breakthrough finding suggests a potential therapeutic strategy for preventing or controlling type 1 diabetes.
A study published in Journal of the National Cancer Institute found that blocking hypoxia-inducible factor 1 (HIF-1) significantly impairs tumor growth by damaging the vascular microenvironment. The tumors were smaller and had thin-walled, lumenless blood vessels compared to control mice.