Articles tagged with Cancer Cells
Researchers found that omega-3 fatty acids docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) inhibited the growth of liver cancer cells, whereas omega-6 fatty acid arachidonic acid (AA) had no effect. The compounds induced apoptosis and decreased beta-catenin levels, which are involved in tumor progression.
Scientists have engineered tiny silica particles to carry pharmaceuticals into cells using biocompatible materials and controlled release mechanisms. The mesoporous nanospheres can selectively target cancer cells by releasing drugs in response to specific chemicals, reducing side effects and increasing treatment efficacy.
Scientists have developed a method to track and quantify the absorption of multi-walled carbon nanotubes into living cells. Research found that 74% of nanotubes were assimilated by cancer cells after 15 minutes, with nearly irreversible uptake.
Scientists at the University of California, Santa Barbara, have created a new lipid molecule that delivers therapeutic genes directly to cells, potentially helping inherited diseases and cancers. The novel molecule has a tree-shaped headgroup and displays superior DNA-delivery properties.
Using computer simulations, researchers found that linked and unlinked DNA loops can be identified by their touching points. This discovery has implications for designing new drugs to treat cancer and infectious diseases.
A newly identified cell, dubbed IKDC, has been found to fight cancer by combining the abilities of natural killer (NK) and dendritic cells. This hybrid cell speeds up immune reactions and makes the system more efficient.
A cancer researcher is working on a targeted way to deliver drugs to specific cells, making treatment more precise and effective. The approach uses natural biomolecules to target diseased cells while leaving healthy ones alone.
Researchers are developing nanotechnology approaches for oral health diagnosis and treatment, including precise drug delivery using dendrimers and PEBBLES-probes. These systems aim to increase the effectiveness of anti-cancer drugs and control mineral composition in bone tissue.
Researchers discovered a compound called CDDO-Im that protects against liver cancer at extremely low doses. The compound activates a protein called Nrf2, which stimulates the cell's defense mechanisms and detoxifies harmful agents.
Researchers believe that understanding the structure of DNA end caps, called telomeres, can help develop new cancer treatments. They found that the rate of shortening is influenced by the length of the overhang and hope to manipulate it for therapeutic purposes.
Researchers at University of Pittsburgh discovered that loss of pol zeta's activity in mouse cells leads to chromosomal instability and tumor development. The study suggests that pol zeta may act as a tumor suppressor gene, preventing double-stranded breaks in chromosomes.
Researchers at St. Jude Children's Research Hospital have developed an antibody therapy that successfully targets and kills cancer cells in laboratory models of neuroblastoma. The treatment, which combines antibodies with immune system cells, has shown promise for treating low initial tumor levels or small cancer cell populations.
Researchers identified a two-protein complex Rae1-Nup98 that stabilizes healthy cells by preventing premature chromosome separation. This discovery challenges the long-held understanding of aneuploidy's mechanism and offers a new approach to cancer treatment, potentially leading to more effective and gentler therapies.
Pretreating rogue cancer cells with aspirin enhances their sensitivity to targeted therapy by inducing apoptosis via mitochondrial release of cytochrome c. This combination may improve treatment outcomes for cancers overexpressing the HER-2/neu gene.
Researchers found that human cells without securin protein can recover from widespread chromosome losses over time, suggesting compensatory mechanisms at play. This discovery has implications for cancer treatment, as mathematical models often assume cell populations cannot recover from chromosomal instability.
Researchers from Purdue University and Kyoto University have discovered a plant gene that helps explain why human cells reject chemotherapy drugs. The gene, related to multi-drug resistant proteins in humans, moves a plant growth hormone into cells, suggesting a new approach to reducing drug dosages for cancer patients.
Researchers found that up to 70 percent of the water inside rapidly growing bacterial cells was generated by metabolism. This challenge to prevailing wisdom may lead to new methods for detecting fast-growing cancer cells or studying metabolic changes in obese individuals. The study's findings use stable isotope ratio mass spectrometry ...
Researchers investigate compounds like thalidomide, arsenic, and insecticide-derived drugs for their potential to treat solid tumors and various types of cancers. These novel approaches aim to overcome resistance to existing treatments and reduce adverse effects associated with hormonal ablation therapy.
A new variant of retinoic acid receptor beta has been discovered, which may play a role in vitamin A resistance in lung cancer. The variant, RAR-beta-1', was found to be expressed in normal lung cells and sensitive to retinoic acid, but not in resistant or lung cancer cells.
A novel proteasome inhibitor, NPI-0052, has been found to block cancer cells' proteasomes, leading to cell death. The compound is distinct from existing therapies like bortezomib and shows promise in preclinical studies.
Researchers have discovered a key process underlying CML progression and identified an agent that can block it. Forskolin restores normal cell functioning in Gleevec-resistant cells, offering new treatment options for patients with advanced or resistant disease.
A recent Columbia University study published in Nutrition and Cancer showed that Zyflamend reduces prostate cancer cell proliferation by up to 78% and induces cancer cell death. The research confirms Zyflamend's COX-1 and COX-2 anti-inflammatory effects, with independent anti-cancer benefits against prostate cancer cells.
A recent study at Cold Spring Harbor Laboratory found that certain viral infections may cause cancer by fusing cells, leading to aneuploidy and potentially tumor formation. The researchers discovered that specific gene mutations in human cells can make them more susceptible to this process.
A protein called TAP has been found to suppress prostate cancer growth and enhance the effects of vitamin E. High levels of TAP in normal prostate cells suggest it facilitates the transport of vitamin E into tissue and helps retain high concentrations.
Researchers have developed a method using cheek cells to detect lung cancer with high sensitivity and specificity. The test uses Automated Quantitative Cytometry (AQC) to analyze buccal cell nuclei and predict the likelihood of cancer presence.
Researchers found a special type of nucleosome bearing protein Htz1 that allows genes to be read by cellular machinery in a regulated manner, enabling gene expression. This discovery has implications for understanding how gene activation and repression is altered in cancer cells and developing targeted treatments.
Researchers have discovered functional ion channels in human stem cells that regulate cell differentiation and proliferation. By targeting specific potassium channels, scientists may be able to control cell growth and prevent tumor formation, potentially leading to new treatments for various diseases.
Scientists have identified a new compound in cranberries that prevents cancer cells from breaking away and spreading to other parts of the body. The compound inhibits the growth of human lung, colon, and leukemia cells in culture without affecting healthy cells.
Researchers have discovered 10 new molecular structures with pharmaceutical potential in a species of red seaweed from the Fijian coral reef. Some compounds showed anti-bacterial activity against antibiotic-resistant bacteria and killed human tumor cells by inducing programmed cell death.
Researchers have discovered that gold nanoparticles can selectively target and kill cancer cells by absorbing light, offering a potential solution for early detection and treatment of various cancers. The technique is simple, inexpensive, and non-toxic to human cells.
The study reveals that proteins RPL26 and nucleolin control p53 production in response to DNA damage. Increasing p53 function may boost radiation therapy effectiveness, while reducing it could protect normal cells from oxidative stress.
The Burnham Institute will collaborate with a team of researchers to develop nano-devices that target tumor cells, improve diagnostics and tracking of cancer cells. The project aims to deliver imaging agents and therapeutics directly to cancer cells using 'nano-homing' devices.
New study reveals that O-GlcNAc modification of proteins regulates cell division and controls the steps and timing of cell division, contributing to cancer and other diseases. Researchers found that increasing or decreasing O-GlcNAc levels disrupts cell cycle, leading to cells with more than one nucleus, a common trait in cancer cells.
A Phase II study found erlotinib to be relatively well-tolerated and demonstrated encouraging activity in previously untreated patients 70 years or older with advanced lung cancer. The study showed a median survival of 46 weeks, with 60% of patients experiencing partial response or stable disease.
Researchers discovered that compounds from cruciferous veggies can slow down benign to malignant tumors in mice, suggesting potential protection against lung cancer development. The studies also found that these compounds can push human lung cells to commit 'suicide', stopping fast-growing cancer cells.
Researchers found that cells without genetic predisposition have a lower mutation rate in PIG-A gene, ranging from 1 in 3 million to 1 in 300,000. A new test for the mutation rate could identify individuals at high cancer risk and help prevent or treat it.
Researchers found that a tumor suppressor gene Nkx3.1 plays a crucial role in protecting cells from oxygen damage, which can lead to prostate cancer. Antioxidants may be useful for prostate cancer prevention by regulating oxidative stress pathways.
The PUMA protein coordinates the cell-suicide activities of p53 in the nucleus and cytoplasm. Researchers discovered that PUMA frees p53 from Bcl-xL, triggering a series of signals on mitochondria that leads to apoptosis. This finding solves the puzzle of why p53 activity occurs in both the nucleus and cytoplasm during apoptosis.
Researchers at UT Southwestern Medical Center have developed a cell-based biosensor system that can scan thousands of compounds to identify those that activate dendritic cells, which play a crucial role in the immune system. The new screening technique is highly sensitive and cost- and time-efficient, allowing for rapid identification ...
A study published in Proceedings of the National Academy of Sciences found that anticancer drugs can reverse the nuclear structure abnormalities caused by a rare genetic disorder, progeria. The researchers successfully treated cells with progerin, a mutated protein linked to accelerated aging, using farnesylation inhibitors.
A Virginia Tech research group has created molecular assemblies that can absorb therapeutic light and activate complexes attached to DNA, allowing for more precise delivery of cancer-killing drugs. Platinum was added to the structure, ensuring the activation of complexes already attached to the target.
Researchers found that combining interferon with irinotecan boosts IRF5 protein levels in colon cancer cells, leading to increased cell death. The combination therapy may limit side effects and make it harder for cancer cells to build resistance.
Researchers have discovered that the loss of the p63 gene accelerates aging in mice, leading to hair loss, reduced fitness and body weight, progressive curvature of the spine, and a shortened lifespan. This study suggests that p63 plays a fundamental role in maintaining health and preventing cancer.
Mutations in genes NF1, c-RET, SDH, and VHL interfere with apoptosis, allowing cancerous cells to evade developmental cell death. This can lead to increased risk of pheochromocytoma and other pediatric tumors.
A study published in Developmental Cell reveals that connective tissue holding a cancer cell in place degrades, allowing it to spread to other parts of the body. The researchers identified a specific pathway critical for cancer cell activity, which could lead to more effective drug therapies with reduced side effects.
A new study has identified a protein called DOCK180 that senses chemicals inducing cell migration. This finding may lead to treatments halting cancer metastasis and immune disorders like arthritis and asthma by inhibiting inappropriate cell movement.
Researchers at Ohio State University have isolated compounds from broccoli sprouts that inhibit the growth of bladder cancer cells. The study found that isothiocyanates, which are formed during digestion, hindered the growth of bladder cancer cells and showed a strongest effect on the most aggressive form of the disease.
The study found that suppressing SIRT1 increases the ability of cells to divide indefinitely without senescence. This discovery has potential applications in generating normal cells for research and could be used in techniques to produce large numbers of cells.
Researchers found that tumor cells use jagged1 protein to interact with endothelial cells, prompting angiogenesis and tumor growth. This discovery could lead to a two-pronged approach to treat cancer by blocking protein secretion and cell contact.
Researchers found that NIPA levels act as a switch to regulate cell division by degrading cyclin B1 during the 'resting' phase. Blocking NIPA causes premature cell division, leading to unhealthy daughter cells. The study sheds light on the role of SCFNIPA in controlling mitosis.
The Albert Szent-Györgyi Prize is awarded to researchers making notable contributions to cancer prevention, diagnosis, and treatment. The $25,000 cash award promotes public awareness of basic science cancer research and encourages increased investment in cancer research.
A new experimental drug PKC412 has been discovered to combat resistant tumors in GIST patients. The study reveals that KIT's reactivation is a crucial factor in tumor cell resistance, and PKC412 can counteract this process.
Researchers found that cells with damaged DNA trigger a mechanism to signal natural killer cells, which attack and destroy cancerous cells. The immune system's ability to identify cancer cells is crucial in preventing tumor growth.
Researchers at UT Southwestern Medical Center discovered a master switch in cell death, which can help control tumor formation and potentially lead to new cancer treatments. The enzyme Mule destroys a key molecule that regulates apoptosis, allowing for the degradation of proteins that control cell death.
Researchers discovered that griseofulvin inhibits cancer cell growth by affecting mitosis, potentially providing a therapeutic advantage when combined with other treatments. The drug has been used for decades to treat fungal infections and shows mild anti-cancer activity.
Researchers found that Gleevec, a cancer drug, slowed the spread of poxviruses in mice. The study suggests that Gleevec might be useful as a preventative against adverse effects of smallpox vaccine.
Cellular behavior exhibits properties of both solid and fluid states, with researchers finding novel nanotechnologies that reveal the fundamental physical laws governing cell mechanics. This discovery offers a new perspective on mechanisms of disease, including airway narrowing in asthma and vessel narrowing in vascular disease.
The Duke team successfully engineered new blood vessels from vascular cells of four elderly men with heart disease, extending their lifespan indefinitely. The treated smooth muscle cells were then impregnated into a biodegradable polymer tube and grew for up to seven weeks, forming functional-like arteries.
Researchers have identified ERG as the first proto-oncogene commonly overexpressed in early-phase prostate cancer, providing a promising target for diagnosis and treatment. The study also found correlations between ERG expression and PSA recurrence-free survival of prostate cancer patients after radical prostatectomy.
Researchers at Johns Hopkins Medicine discovered that the Myc protein controls the production of six microRNAs in human lymphoma cells, which can either promote or slow cell growth. The study's findings suggest a complex system involving Myc, microRNAs, and genes controlling cell proliferation.