Articles tagged with Cell Growth
Scientists from UC3M and Johns Hopkins University have developed a computational model that simulates the invasion process of cancer cells based on the characteristics of surrounding tissue and cell junctions. The model allows for predicting tumor evolution in patients by analyzing mechanical properties of the microenvironment.
The study reveals Brat's role in regulating wing imaginal discs regeneration by modulating downstream growth factors. Flies with reduced Brat demonstrated improved wing regeneration but also exhibited deficiencies in cell-fate specification, highlighting the delicate balance required for proper regeneration.
A new study has discovered that Streptococcus anginosus bacteria play a significant role in causing stomach cancer. The research showed that S. anginosus infection led to gastric inflammation, cell damage, and the growth of stomach cancer cells, doubling tumour size and weight in some cases.
Research by Johns Hopkins Medicine suggests that increased stiffness in aging skin contributes to higher rates of melanoma metastasis by stimulating blood vessel growth and making them leaky. Treating older mice with drugs blocking ICAM1 prevented these changes, shrinking tumors and reducing metastasis.
Researchers at Washington State University discovered a way to trick bacteria into sending death signals to stop the growth of their slimy biofilms, which can lead to deadly infections. The study found that these 'death extracellular vesicles' can reduce bacterial growth by up to 99.99% in laboratory experiments.
A new study has identified a strategy used by early-stage cancer cells to evade the immune system. By turning on the gene SOX17, these cells create an immunosuppressive environment that prevents them from being detected. This gene helps cancer cells ignore immune messages and grow in the presence of an immune system.
Researchers discovered genes encoding growth regulators normally not present in myeloid cells are expressed by leukaemic stem cells, allowing them to grow. Repurposed drugs targeting these receptors show promise in blocking stem cell growth and preventing disease relapse in specific types of AML.
Researchers found that USP1 inhibits cdc42, increases EWS-FLI1 transcriptional output, and simulates Ewing sarcoma growth. A pharmacological inhibitor of USP1 activated cdc42 and inhibited Ewing sarcoma growth.
Researchers at TU Wien create artificial cartilage tissue by colonizing porous plastic spheres with cells, achieving seamless integration and uniform structure. The novel technique has potential for medical applications, including replacing injured cartilage.
Researchers at Imperial College London created a novel molecular toolkit to enhance compound production in yeast communities. The toolkit allowed them to split the resveratrol production pathway, resulting in enhanced production and more stable partnerships between yeast strains.
Researchers at Duke-NUS Medical School discovered a novel enzyme, FAXDC2, that plays a pivotal role in cholesterol synthesis and cancer progression. The study highlights the potential vulnerability of cancer cells to targeted therapeutic intervention. Further research is needed to explore the therapeutic potential of targeting FAXDC2 i...
A team of researchers found that diffuse anaplasia (DA) subtype of Wilms tumor grows despite high DNA damage and TP53 mutation, leading to resistance to chemotherapy. The study suggests that DA histology emerges through accumulating DNA damage and CNAs, creating selection pressure for TP53 mutations.
Researchers have successfully grown striated muscle layers and flat fat layers using glutenin, a non-allergenic wheat protein. The edible film-based scaffolds can be combined to produce meat-like textures, promising a more realistic cultivated meat product.
Researchers have engineered bovine muscle stem cells to produce their own fibroblast growth factor, reducing the cost of production for cultivated meat. This innovation could lead to more affordable and accessible cultured meat products in the near future.
Researchers at Duke University successfully introduced a mutated BRAF gene into rat heart tissue, inducing growth and cell division. However, the approach was associated with significant loss of contractile strength, highlighting the need for precise control over gene activation and delivery.
Researchers develop nanofibrous matrices containing MXene nanoparticles to aid in muscle regeneration. The study reveals molecular mechanisms behind the effects of MXene nanoparticles on muscle growth, suggesting a promising avenue for treating volumetric muscle loss and muscle-related ailments.
A new study published in Oncogene highlights the effectiveness of MDX-124, a therapeutic drug targeting annexin-A1, which promotes tumour progression. High annexin-A1 expression levels correlate with poorer overall survival in various cancers.
Researchers at UC Riverside have identified a crucial protein that controls plant responses to stress and aging. The discovery reveals the importance of Golgi bodies in maintaining cellular health and highlights their potential role in human aging.
A study by the University of Sheffield found that breast cancer cells take advantage of nutrients in the extracellular matrix when faced with nutrient starvation. The cells use an ingestion process called macropinocytosis to consume the matrix, breaking it down into energy-releasing substrates.
Breast cancer cells survive by consuming the extracellular matrix when nutrients are scarce. The process involves macropinocytosis and metabolic conversion of key amino acids to energy-releasing substrates. This mechanism could represent a novel therapeutic target.
Cancer stem cell-derived exosomes (CSC-Exos) are essential for communication between CSCs and other cells in the tumor microenvironment, contributing to cancer progression. The editorial highlights their potential as a novel clinical tool for diagnosis, prognosis, prevention of tumor recurrence, and therapeutic strategy
Cysteine is sensed by a protein called Pib2 and binds with it to activate TORC1, promoting cell proliferation. The study found that all 20 amino acids differently affect TORC1 using two pathways: Pib2 and Gtr.
Researchers explore the properties of cytostatic persisters in cancer treatment, highlighting their therapeutic potential and challenges. The study suggests that targeting these persisters before resistance emerges can reduce cancer recurrence.
Researchers have identified the genetic defect causing infantile cystinosis, a rare disease that shortens lifespan, and developed a protocol to differentiate stem cells into healthy kidney cells. The study suggests using CRISPR genome editing to repair the defective gene and potentially cure the disease.
A recent study by Goethe University Frankfurt has identified a mechanism that could be a suitable starting point for developing novel drugs against leukemia cells. The researchers discovered that the mutated NPM1 gene variant drives pro-autophagic activity, enabling cancer cells to recycle their structures and meet their needs.
Scientists have developed a drug-eluting hydrogel that provides sustained, pH-dependent drug co-delivery and promotes anti-tumor immune responses, reducing tumor cell proliferation and growth. The treatment shows promise in treating hepatocellular carcinoma, with enhanced efficacy compared to traditional methods.
Extracellular vesicles have been found to transport bacterial products into human cells, alerting the immune system and potentially affecting physiology. This discovery explains a key mechanism by which bacteria impact our health, with implications for both infections and normal bodily functions.
A new AI tool combines cancerous and non-cancerous cell patterns to predict breast cancer outcomes, allowing for more precise treatment plans. This could lead to reduced chemotherapy duration and intensity for some patients.
Cancer cells' uncontrolled growth leads to a loss of ability to divide due to genetic damage accumulation. Simultaneous treatment with growth and division inhibitors can restore cellular function.
Researchers found that cultivating Euglena in tomato juice resulted in high cell densities and tightly packed chloroplasts, outperforming other beverages. The nutrient composition of tomato juice is suitable for Euglena growth, offering a promising solution to the shortage of animal protein and potential health benefits.
Researchers at Texas A&M University have found a correlation between flavonoid compounds and reduced endometriosis symptoms. Flavonoids like Quercetin and Kaempferol show promise in easing inflammation, with studies suggesting they may help suppress the symptoms of inflammatory diseases like endometriosis.
Researchers identified a mechanism that fuels cancer cell growth and developed a new strategy to restrict this process. By restricting glucose in lung cancer cells, they found it caused the cells to lose their specialized features, making them more aggressive.
A recent study published in the Journal of Cell Biology has made significant progress in understanding autophagy and lipid recycling. Researchers used yeast as a model organism to identify key players in the process, including Atg15, Pep4, and Prb1, and demonstrated that Pep4 and Prb1 activate Atg15 to break down phospholipid bilayers.
A new tool has been developed to rapidly grow cancer-killing white blood cells, called T cells, which could advance the availability of immunotherapy. The bioreactor is 30% faster than current technologies and can be self-contained in a sterile cabinet.
Mammalian cells consume bacteriophages, killing bacteria and promoting cellular growth and survival. The study suggests that phage particles serve as a nutritionally enriched resource, triggering signaling pathway events that enhance cellular health.
A team of researchers found that fibroblast cells cultured on substrates with varying degrees of stiffness exhibit changes in cell structure, function, and TGF-β activity, which regulates ECM architecture. This study provides insights into how mechanical forces influence wound healing and tissue development.
Researchers created a hydrogel mat with magnetic microparticles that mimic the forces of exercise. The team found that regularly exercising muscle cells resulted in longer, aligned fibers, and improved contraction capabilities.
Researchers discovered a new role for extracellular signal-regulated kinase (ERK) in a pathway activated by interferon-gamma that leads to cancer cell death. Hyperactivation of ERK causes stress in cells, triggering cell death through specific proteins DR5 and NOXA.
A University of Basel study reveals that high levels of arginine drive metabolic reprogramming to promote tumor growth. The findings suggest targeting the specific arginine-binding factor for effective liver cancer treatment.
Researchers at Mayo Clinic discovered that senescent macrophages in the lung promote tumor growth by blocking the immune system's response to abnormal cell growth. Eliminating these senescent cells delays tumor formation, suggesting a potential therapeutic target for cancer treatment.
A team of researchers at Utah State University has successfully created an in vitro model of Bruch's membrane, a layer in the retina that deteriorates with age. The model uses hagfish slime proteins to replicate the natural aging process and disease progression, providing a valuable tool for studying age-related macular degeneration.
Researchers found that enteroendocrine cells in Drosophila intestinal epithelium undergo dedifferentiation into intestinal stem cells in response to nutritional changes, such as recovery from starvation. This process is vital for ISC expansion and subsequent intestinal growth following food intake.
Researchers identified how prostate cancer cells achieve cell growth free from usual growth cues and regulators. A protein called PLEKHS1 was found to be a major driver of PI3K activation and cancer growth progression in mouse models.
A team of Chinese and UK researchers has identified superoxide dismutase 1 (SOD1) as a potential target for reversing drug resistance in ovarian cancer. By using nanoparticles to deliver siRNA that reduces SOD1 levels, the study showed reduced growth and decreased resistance to cisplatin in female mice.
Scientists at the Terasaki Institute for Biomedical Innovation have developed a new bioink that enhances the formation of mature skeletal muscle tissue from muscle precursor cells, increasing efficiency and potential therapies for muscle loss or injury. The bioink's sustained delivery of IGF-1 promotes muscle regeneration and repair.
Glutamine metabolism plays a crucial role in cancer cell growth and survival, with its inhibition shown to block cancer cell growth in vivo and in vitro. A recent editorial paper suggests that glutamine dysregulation may also impact the tumor microenvironment, potentially leading to increased oxidative stress and cancer cell death.
Researchers found that Epstein-Barr virus induces B cell growth transformation through the activation of the cancer-related gene IMPDH2, leading to uncontrolled proliferation. The study used primary B cells and found that inhibiting IMPDH2 can suppress post-transplant lymphoproliferative disorder (PTLD) development.
Researchers found that confined epithelial cells regulate their size and cell cycle separately, suppressing growth but not division length. The team used lab-grown tissue to observe how cells respond to confinement, revealing a new framework for understanding tissue development and growth.
Researchers found that epigallocatechin gallate (EGCG) reduces protein levels of fibronectin by 46-52% and disrupts pathways involved in fibroid tumor cell growth. EGCG supplements may provide an easily accessible and natural way to relieve symptoms and slow fibroid growth.
Plant roots detect temperature changes and adjust their growth accordingly. Researchers found that root cells produce more auxin in response to elevated temperatures, stimulating cell division and allowing roots to grow deeper into the soil. This discovery could help develop new approaches for plant breeding against climate change.
Scientists have discovered a new class of compounds called cyanotriazoles that effectively inhibit the growth of trypanosomes, the parasites responsible for Chagas disease and African sleeping sickness. The results offer hope for the development of new and improved treatments for these neglected tropical diseases.
A team at Osaka University identified a crucial protein facilitating proper chromosome movement when cells divide. The research revealed that the Cupin domain of CENP-C is essential for its function, supporting centromere/kinetochore assembly and maintaining genomic integrity.
Cancer cells in brain tumors produce lipids at higher rates than surrounding healthy tissue, offering clues for treatment strategies. The study provides insights into the unique biochemical processes fueling cancer growth in the brain.
Researchers discovered that ZC3H11A is essential for regulating metabolic genes in embryos and their absence leads to complete lethality. The study's findings suggest that ZC3 may be a promising therapeutic target for the development of anti-viral agents against medically significant human viruses.
Researchers found that formalin fixation does not significantly alter the polarimetric properties of brain tissue, making it suitable for training machine-learning models. The study suggests that formalin-fixed brain tissue specimens can provide high-quality data for rapid and accurate diagnostic imaging in surgery.
Researchers at UC San Diego and Stanford University have developed a roadmap of root chemicals that are critical to plant growth, providing new insights into plant development. The study reveals that key small molecules are clustered in patches across the root, suggesting a purposeful distribution for optimal growth.
Luis Cuello, a professor at TTUHSC, has developed a method to express human potassium channels in bacteria, allowing for large-scale biophysical studies. This technology will be used to target several channels relevant to diseases such as epilepsy, arrhythmia, and diabetes.
Increased expression of Musashi 1 on breast cancer cells has significant implications for understanding dormancy and survival in bone marrow. Msi 1 knockdown led to a reduction in cancer stem cells with undetectable PD-L1, suggesting a potential therapeutic target.
Researchers found that immune-modulating cells may slow the expansion of bulges in the aorta by creating a less-inflammatory environment. A second study discovered evidence that a COVID-19 infection promotes the enlargement of abdominal aortic aneurysms, which are extremely dangerous and potentially fatal if they rupture.
Researchers have identified distinct senescence subpopulations and dynamic changes in the transcriptome of human cells undergoing senescence. The study provides new understanding of the heterogeneous nature of senescence and its impact on aging diseases.