Articles tagged with Cell Polarity
A team of scientists from Tokyo Metropolitan University discovered how fertilized rice seeds begin to divide and establish their body axis. They found that the process involves radical steps different from Arabidopsis, with cells acting collectively to allow axis development despite apparent randomness.
Researchers at Tokyo Metropolitan University have created a novel technique using phase-contrast microscopy to track and analyze the motion of unlabeled cells. This allows for the accurate differentiation of cancerous cells with up to 94% accuracy, opening new avenues for diagnosis and research on cell motility related functions.
Scientists developed a novel solvatochromic fluorescent dye that enables high-precision temperature measurements through changes in fluorescence properties. The researchers achieved exceptional sensitivity and resolution, ideal for bioimaging applications.
Researchers developed two silver-based bimetallic clusters that increase Faradaic efficiency and yield of urea through charge polarization modulation. Ag14Pd outperforms Ag13Au5 in NO3RR, while Ag13Au5 excels in CO2RR with higher urea formation rates.
Researchers discovered that Wnt3 coordinates a two-step process of cell polarity orientation, enabling jellyfish embryos to develop around a central axis. This discovery sheds light on the evolution of body plans in early animals and may provide insights into cellular-level organisation.
Researchers at Sanford Burnham Prebys found that pancreatic cancer cells rely on a specific nutrient, glutamine, to fuel their unchecked growth. The study identified two enzymes, aPKC zeta and iota, that play a regulatory role in the process of macropinocytosis, allowing cancer cells to scavenge alternative resources.
Bifocal lenses with adjustable focal intensities are created by applying external voltage to bilayer liquid crystal structures. The new design enables polarization imaging and edge imaging, highlighting the outlines of objects with fine details.
A new approach by researchers at ISTA reveals how cells navigate through complex environments and interact with each other. The study uses computer simulations to visualize different scenarios, showing that cells move in trains like an all-wheel drive system, while clusters are slower due to collisions.
Researchers developed nanodots with single ferroelectric and ferromagnetic domains using multiferroic material BFCO, enabling energy-efficient writing and reading operations. The smaller nanodot showed a single-domain structure, while the larger one exhibited multi-domain vortex structures, demonstrating strong magnetoelectric coupling.
The new metasurface technology offers independent control of beam scanning and polarization conversion, boosting signal strength and efficiency in wireless networks. This innovation has vast implications for radar systems, wireless communication, high-resolution imaging, and environmental monitoring.
The T2oFu method offers a new approach to quantitative phase and polarization-sensitive tomography, enabling high-contrast images of muscle fibers with implications for diagnosing skeletal myopathies. The technique has been successfully tested on heart tissue samples with cardiac amyloidosis, providing promising results.
A new research proposes a hemispherical shell shape to optimize organic photovoltaic cells, achieving a 66% increase in light absorption and improved angular coverage. The study presents advanced computational analysis, revealing the remarkable capabilities of this innovative design.
Researchers developed a high-speed modulation system combining digital display with super-resolution imaging, significantly improving lateral and axial resolution. This enables detailed study of subcellular structures in animal cells and plant ultrastructures, paving the way for future biological discoveries.
Researchers developed a carbon-based tunable metasurface absorber with an ultrawide, tunable bandwidth in the THz range. The absorber boasts high absorption efficiency and insensitivity to polarization angles, paving the way for advanced technological applications.
Researchers at Tokyo Institute of Technology have developed a novel ferroelectric semiconductor memory device with a 100 nm channel length, enabling high-density storage and seamless integration with existing semiconductor technologies. The device exhibits typical resistive switching, high on/off ratio, large memory window, and good re...
Researchers have revealed key atomic structures of actin filament ends using cryo-electron microscopy. The study provides fundamental insights into the mechanism behind actin filament polarity, shedding light on disorders such as muscle weakness and heart problems.
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 fabricated 2D perovskite solar cells based on molecular ferroelectrics, achieving the highest open circuit voltage and best efficiency among 2D Ruddlesden-Popper perovskite solar cells. The introduction of ferroelectricity improved charge transport and device performance.
Researchers at the University of Cologne discovered that bacterial membrane potential changes during biofilm formation, correlating with increased antibiotic tolerance. The study found characteristic patterns of polarization that evolve in space and time, which are linked to a change in oxygen availability.
Researchers discovered two polarity proteins that accumulate on opposite sides of a cell, acting as a cellular compass to control the development of helper cells. This helps grasses form efficient stomata, optimizing gas exchange and saving water.
The study found that PodJ's phase separation plays a crucial role in forming and regulating the scaffold-signaling hub in Caulobacter crescentus. The researchers also identified a negative regulator, SpmX, which impedes PodJ condensate formation and promotes cell-pole remodeling.
Researchers at HKU have developed a novel technique to measure the rotational and translational motion of cell markers with high precision. This breakthrough technology uses single nitrogen-vacancy centers in nanodiamonds to tackle the long-standing challenge in mechanobiology research.
Researchers investigate how motor proteins transport vital proteins and RNAs to the right location within cells, where they can cause or prevent genetic neurological diseases. By understanding these highly regulated transport systems, scientists hope to develop new treatments for conditions like spinal muscular atrophy and Charcot-Mari...
The study reveals that the Cdc42 gene is essential for proper alignment and function of Sertoli cells, which support sperm cell development. Disruptions in this gene can lead to reduced testicular function and infertility. Researchers hope to develop non-invasive diagnostic tests to identify specific causes of male infertility.
Researchers at Kanazawa University have made significant discoveries about the mechanisms behind brain column formation. They found that planar cell polarity (PCP) and Wnt signaling pathways play key roles in creating these three-dimensional structures, which are essential for proper brain development.
Researchers have discovered new genetic mutations associated with Tourette Disorder, which may disrupt cell polarity and lead to chronic vocal and motor tics. The study's findings provide a deeper understanding of the condition and offer potential insights for developing improved treatments.
Researchers at Kumamoto University have identified a new mechanism linking cytoskeletal dynamics and Wnt5a signaling, essential for planar cell polarity formation. This control system regulates the morphology and orientation of cells in animal tissues, crucial for tissue morphogenesis.
Researchers discover that cortical tension plays a key role in clustering proteins and establishing cell polarity. This force-driven mechanism allows cells to establish polarity without wasting energy by actively transporting proteins or cellular components.
Scientists at UC San Diego School of Medicine discovered a key protein involved in protecting epithelial cells during stress, and found that the widely prescribed anti-diabetic drug Metformin works by activating this pathway to prevent cancer. The study provides new insights into the mechanism behind Metformin's tumor-suppressive action.
Researchers visualized the mechanism of cell polarity maintenance using a super-resolution microscope, revealing its relationship to exocytosis and microtubules. The study used a fungal model to clarify the behavior of polarity markers, shedding light on their role in site-specific growth and cell function.
Researchers discovered a new protein, Callipygian, which aids in cell migration by shutting off proteins at the front edge of cells. The protein helps create the back of a cell, allowing it to move directionally.
The study found that planar cell polarity genes Celsr3 and Fzd3 control the formation of complex neural networks in the gut. Inactivation of these genes resulted in disorganization of neuronal projections, slower gut transit time, and abnormal colonic motility.
Researchers at the Stowers Institute have discovered a new mechanism controlling cell polarity in yeast. An enzyme called flippase flips phospholipids to create a polarized membrane, with all molecules involved found in both yeast and mammalian cells. This discovery opens up avenues for studying human diseases.
Researchers at Children's Hospital Los Angeles have discovered Eya1 protein phosphatase as a crucial regulator of embryonic lung epithelial stem cells. The correct functioning of these stem cells is essential for healthy lung development, and dysregulation has been linked to developmental disorders and cancer.
Researchers found a gene, Elp1, that regulates cell polarity in yeast, offering insight into Familial Dysautonomia's pathogenesis. The protein plays an essential role in cell growth and neuron development, which may be disrupted in FD patients.
University of Rochester scientists develop new materials that emit nearly perfect circularly polarized light, hundreds of times more pure than current materials. This breakthrough enables brighter and more efficient displays, with potential applications in 3D displays, laser goggles, and optical communication.