Research on the cell biology of tumors. Covers cancer-cell vulnerabilities, tumor spread, nanoreactor therapies, and AI-guided cancer research.
Scientists have created glowing probes to visualize four-stranded DNA in living cells, revealing its interaction with molecules and shedding light on its role in cancer and other diseases. The discovery opens up new avenues for research and potential drug development.
This issue of APSB features studies on the anticancer effects of berberine, baicalein's potent antivirus ability against HSV-1, and a new class of PDE10A inhibitors for treating PAH. Additionally, several articles explore innovative drug delivery systems and novel targets for cancer therapy.
Scientists have created a new method for combating non-Hodgkin's lymphomas by equipping immune cells with an antenna that targets the CXCR5 receptor on cancer cells. In laboratory experiments and mouse models, this approach showed promising results in fighting follicular lymphoma and chronic lymphocytic leukemia.
Scientists at the University of Southampton have discovered that modifying antibodies to target OX40 can enhance immune responses against cancer cells. By adjusting the antibody's isotype, researchers found that one type can delete suppressive Treg cells and another can stimulate killer T-cells, leading to improved anti-tumor effects.
Researchers at UCSF have discovered a new method to control immune responses using CD47-expressing hypoimmune stem cells. These cells can silence natural killer cells via the SIRPα checkpoint, paving the way for novel cell therapies and tissue implants that can evade immune rejection.
Researchers have found that cancer cells can enter a slow-dividing state to survive chemotherapy, similar to an embryonic survival program in mammals. Targeting these sleeping cells with novel therapies may prevent cancer regrowth and overcome drug resistance.
A biologist has created software tools to model cancer pathways and predict the efficacy of cancer drugs. The project aims to develop targeted treatments that target specific signaling networks in cancer cells, reducing harm to normal cells.
Researchers at Kyoto University's iCeMS have discovered how a transporter protein twists and squeezes compounds out of cells, including chemotherapy drugs from some cancer cells. This mechanism, driven by ATP energy, facilitates the export of toxic compounds and confers drug resistance.
Researchers found that chromothripsis breaks up chromosomes, leading to the formation of rearranged genomes and extra-chromosomal DNA that promotes cancer cell growth and drug resistance. This phenomenon enables cancer cells to evade treatment and become more aggressive.
Researchers discovered SETD2 modifies actin cytoskeleton, regulating cell migration and autophagy. Defects in SETD2 lead to impaired delivery of chromosomes and separation of daughter cells during cell division.
Researchers found that reduced amounts of p120ctn contribute to resistance in cancers with high EGFR levels, leading to poorer treatment outcomes. Testing for p120ctn levels may help clinicians identify patients at risk for therapy resistance or relapse.
Researchers have developed nanoparticles that can breach cell barriers and kill tumor cells, reducing tumor sizes by 40-70% in mice. The highly selective toxicity of the particles offers new hope for treating aggressive cancers.
Studies found that DNA leakage from cell nuclei triggers an immune response in cancer cells, making them more susceptible to immunotherapy. Delivering radiation before immunotherapy may be an effective way to fight challenging-to-treat cancers.
A team of researchers has identified a protein called RFWD3 that plays a critical role in recruiting DNA repair and signaling factors. The discovery could lead to new methods to inhibit these repair processes, making chemotherapy more efficient and reducing side effects.
Researchers developed inhibitors targeting mitochondrial DNA, affecting only rapidly dividing cells like cancer cells. Treatment stopped cell proliferation and reduced tumour growth without harming healthy cells.
Researchers at Scripps Research Institute have successfully modified natural killer cells to selectively target and destroy lymphoma cells, a promising breakthrough in cancer treatment. The innovative approach uses glycans, sugar-like molecules that play crucial roles in disease, to steer the cells to malignant B-cells.
Tumor cells produce excess complement protein iC3b to mask abnormal proteins, evading immune cell attack. The immune system relies on a flexible receptor CR3 to distinguish between 'I belong' and 'I don't belong' tags.
A recent study published in Oncogenesis suggests that a compound derived from the thunder god vine can attack 'super-enhancers' in the DNA of cancer cells, as well as the stroma surrounding the tumor. This disruption leads to accelerated cancer cell death and improved clinical outcomes for pancreatic cancer patients.
A recent in vitro study published in Journal of Dietary Supplements found that ergothioneine helped preserve telomere length and reduce oxidative stress. The study suggests that ergothioneine as part of a healthy diet could potentially mitigate the negative effects of oxidative stress and support healthy aging by preserving telomeres.
Scientists studying DNA damage repair process aim to identify a protein that can help healthy cells avoid dying or becoming cancerous. ATF3, a sensor of cell stress, has been shown to be essential to efficient DNA repair and may be the key to developing new cancer therapies.
Researchers found that women with low levels of senescence-associated secreted phenotypes (SASPs) had higher survival rates than those with high levels. Brachytherapy greatly improved survival in patients with high SASP levels, but had little impact on those with low levels.
A machine learning model developed in Finland can identify best cancer drug combinations to selectively kill specific cancer cells with unique genetic or functional profiles. The AI model accurately predicts how different drug combinations inhibit particular cancer cells, paving the way for more effective cancer treatments.
Scientists have developed a procedure, SCENITH, that identifies the energy status of immune and cancer cells within tumors to personalize treatment. This method uses protein synthesis as an indicator of cell activity, enabling clinicians to predict patient response and improve therapy efficacy.
A new imaging technology allows researchers to see multiple intracellular signals simultaneously, revealing their relationships and interactions. This breakthrough could illuminate complex processes like learning and memory, as well as diseases such as Alzheimer's and cancer.
A novel targeted therapy, POMHEX, has been developed to block metabolic pathways in brain cancer cells with specific genetic defects. The study found that the small-molecule enolase inhibitor effectively killed brain cancer cells missing ENO1, and showed promise in animal models of this type of cancer.
Researchers studied fruit fly ovaries to understand cellular motion, discovering that tissue geometry creates a path of least resistance. The team found that cells choose central paths despite multiple side paths available, and this choice is influenced by the physical space, not just chemical signals.
Researchers at Tel Aviv University developed a CRISPR-Cas9 system that specifically targets cancer cells, destroying them by genetic manipulation. The system improved the average life expectancy of mice with glioblastoma tumors by 30% and increased overall survival rate in metastatic ovarian cancer mice model by 80%.
Scientists at St. Jude Children's Research Hospital have identified how metabolic signaling pathways influence key immune cells, including eTreg cells. Understanding this regulation may aid in developing more specific drugs to target these pathways and treat diseases such as lupus, rheumatoid arthritis, and cancer.
A team of scientists at Tokyo University of Science has developed a novel synthesis method to create phenazinones, which show high cytotoxicity towards cancer cells. This breakthrough could lead to the creation of new anticancer drugs with minimal side effects.
Researchers at CeMM have developed a scalable method to study hundreds of proteins in parallel, enabling the observation of changes in protein levels and localization in real-time. This approach has potential applications in discovering new drug treatments and understanding proteome dynamics.
Researchers found a ubiquitin ligase complex that degrades miR-7 and other miRNAs in cells. This discovery sheds light on how cells dispose of genetic molecules regulating protein production.
Researchers at WPI will develop computational models to understand cellular forces and geometry during cell division. The study aims to identify factors that lead to defective spindle structure in cells, which can be targeted to promote cancer cell death.
A team of researchers has discovered how an enzyme called UCH37 helps cells get rid of damaged proteins. By removing branchpoints from ubiquitin chains, UCH37 allows proteins to be degraded more efficiently, which could lead to new cancer treatments.
Purdue University engineers have developed a microfluidic device that allows scientists to test drugs on multiple tumor cell subtypes, revealing new insights into drug resistance. The technology mimics the behavior of pancreatic cancer cells within a tumor, enabling researchers to identify effective treatment strategies.
Scientists have discovered a new role for the cancer-fighting gene p53 in preventing retrotransposons from hopping around the human genome, potentially leading to new ways of detecting or treating cancers. The study found that cells without functional p53 had higher rates of retrotransposon movement and multiplication.
Researchers from the University of Copenhagen have discovered how MCM proteins regulate DNA replication pace and preserve essential skill for life continuation in cells. Their findings suggest a potential way to exploit cancer weaknesses by manipulating molecular roadblocks that slow down DNA replication.
A new study by Brown University scientists has identified vimentin as a potential target for treating aggressive cancer cells known as polyploidal giant cancer cells (PGCCs). PGCCs have been found to rely on vimentin to migrate and invade surrounding tissues.
Researchers have developed a new cancer-specific anticancer drug that can prevent drug resistance and reduce side effects. The drug is designed to release an anticancer agent along with a drug-resistance inhibitor in cancer cells, effectively treating cancers without recurrence or treatment failure.
Researchers have identified silent ancient DNA elements in our genome that, when reactivated, stimulate the immune system to fight cancer. The discovery of ADAR1, an enzyme used by cancer cells to evade detection, opens up a new field of cancer therapies.
Researchers have discovered a novel mechanism by which cells detect and respond to mechanical stress, triggered by the deformation of their nuclei. This 'fight or flight' reflex allows cells to rapidly flee crowded environments, a process that is conserved across species and in adulthood.
A five-year, $10 million research effort will focus on understanding the three-dimensional structure of cell nuclei and its effects on cellular functions. Researchers aim to develop fundamental knowledge to provide insights into developmental disorders, aging, and other cell processes.
The study reveals that efavirenz alters the gene expression of important factors essential for genomic stability, particularly down-regulating S-phase and DNA replication genes. This suggests that efavirenz may be used in synergy with chemo/radiotherapy to treat lung cancer.
Scientists have identified the crucial role of RAD51 protein in recruiting TERRA molecules to telomeres, which helps prevent accidental loss or shortening of DNA. This mechanism is essential for maintaining healthy telomeres and preventing premature aging and age-related diseases.
The study finds that high miR-708 expression is associated with survival rates in lung squamous cell carcinoma patients. Additionally, miR-708 decreases proliferation, survival, and migration of lung cancer cells by inhibiting PGE2 signaling.
Researchers found that compressing cells can trigger cell growth and division, increasing stem-cell state. Squeezing intestinal cells activates specific proteins, leading to larger organoids with more stem cells on their surface.
Scientists created a 3D structural model of the BAF complex, which modifies DNA architecture and is frequently mutated in cancer. The new model provides critical insights into how mutations disrupt gene regulation and tumor growth.
Researchers successfully replicated Swine Acute Diarrhea Syndrome Coronavirus (SADS-CoV) in various human cell lines, including liver, intestinal, and airway cells. This finding suggests that SADS-CoV has a broad host range and may pose a risk to human health.
Researchers observed cells moving through small channels to understand cell migration in 3D environments. The findings suggest that cancer cells may penetrate tissues and be blocked within small capillaries, potentially allowing them to metastasize.
A new molecular concept dubbed 'range selectivity' allows for targeted drug delivery to diseased cells with high specificity, reducing side effects. By identifying specific receptor densities, researchers can develop nano-sized drug carriers that attach only to diseased cells.
Researchers discovered that cancer mutations follow specific patterns, with internal factors leading to enriched mutations in active domains and external factors resulting in mutations in inactive domains. This understanding may lead to new therapeutic targets and treatment options.
Researchers at KAUST developed a cost-effective, ultrathin SRS lens using laser-based 3D printing, inspired by lighthouse design. The new lens rejects cross-phase modulation background signals, improving imaging efficiency for biological processes like cancer cell growth.
Researchers at Gladstone Institutes have mapped the genetic networks that control regulatory T cells, which act as a brake to suppress immune reactions. The findings could lead to therapies that strengthen or weaken the function of these cells to treat cancer and autoimmune diseases.
Researchers at IRB Barcelona have developed a new method to regulate cell plasticity by inhibiting the protein CDK8, strengthening gene expression for specific cell identities while reducing alternative identities. This approach holds promise for improving chemotherapy reactions and studying embryonic stem cells.
Cells utilize long-distance traveling waves in a self-organized manner to close wounds, guided by intricate interplay of cell movement, sensing, and protein activation. This coupled system enables robust communication of direction over large distances, promoting coordinated behavior for healing and growth.
Researchers from Aarhus University discovered that a circular RNA molecule, ciRS-7, is actually not found in cancer cells but contributes to cancer development through the tumor's microenvironment. This finding challenges previous conclusions and highlights the importance of spatial analyses of patient tumors.
TMDU researchers have engineered a material that can identify and target cancer cells using an antibody-supermolecule conjugate, potentially overcoming drug resistance. The new approach showed enhanced autophagic cell death with lower concentrations of the treatment.
Researchers have created the first atlas of human heart cells, detailing nearly half a million cells and their functions. The database provides a new basis for studying heart disease, which is the leading cause of death worldwide.
Dipanjan Pan and collaborators have developed a novel method to synthesize plasmonic gold nanoparticles within cancer cells, eliminating the need for traditional laboratory methods. The approach has potential applications in x-ray imaging and therapy, with possibilities for targeted drug delivery.
Scientists have developed a new method to combat cancer by using molecular fibers that target the acidic and reactive environment of cancer cells. The approach has shown promising results in laboratory tests, with cancer cells dying within four hours.
Researchers at City of Hope found that Andrographis paniculata, a natural botanical, is effective in killing chemo-resistant colon cancer cells when used in conjunction with chemotherapy. The study's goal was to develop a non-toxic treatment that could succeed in killing cancer cells.