Articles tagged with Intermediate Filaments
A study led by IBEC researchers reveals that cells reorganize their internal scaffolding in response to sustained stretching, forming supracellular networks and 'uncaging' their nuclei. This process is facilitated by interactions between keratin and actin filaments.
Actin filaments and a fast plant motor protein called Chara corallina myosin XI (Cc XI) were combined to observe spontaneous ring formation. The rings rotated continuously in one direction and remained fixed, even as individual filaments moved within them.
Researchers discover GFAP's crucial role in regulating mitochondrial fusion and fission, a dynamic process that meets cells' energy needs. The study sheds light on Alexander disease, a genetic disorder caused by GFAP mutations, providing potential new avenues for therapies.
A team of researchers at Queen Mary University of London discovered that disrupting a single amino acid in the vimentin protein makes breast cancer cells behave like stem cells. This mutation promotes tumour growth and increases cancer stemness in an oestrogen-independent manner.
Researchers at Göttingen and Warwick Universities studied the structure and mechanics of cytoskeletal networks composed of actin isoforms. The study found that gamma actin forms rigid networks near the cell apex, while beta actin preferentially forms parallel bundles with distinct organizational patterns.
A research team at Göttingen University has discovered that mobile and stationary cells have different mechanical properties due to their cytoskeleton. The study found that intermediate filaments, which are crucial for cell stability, exhibit metal-like plasticity when stretched, similar to non-biological materials.
Intermediate filaments play a crucial role in maintaining cellular stability, elasticity, and resistance to mechanical stress. The study reveals the physical effects that determine their properties and how they interact with each other in networks.
A research team from the University of Göttingen has observed a direct interaction between microtubules and intermediate filaments, leading to stabilisation and extended lifespan. This interaction is important for understanding cellular processes and may have implications for diseased cells.
Researchers at UC Santa Barbara have identified a new type of filament-forming protein in fruit flies that shares similarities with intermediate filaments in human cells. This discovery may provide insights into how insects survive without traditional IF proteins.
Researchers at the University of Helsinki discovered that cytoplasmic intermediate filaments interact with specific contractile actin filament structures called arcs, which transport intermediate filaments towards the nucleus. Disruption of these interactions leads to defects in cell morphogenesis and shape abnormalities.
Giant Axonal Neuropathy is a rare and lethal genetic disorder affecting central and peripheral nervous systems, caused by mutations in the gigaxonin gene. The study identifies gigaxonin's role in regulating intermediate filament turnover and suggests potential therapeutic targets for related neurodegenerative diseases.
A defective protein called gigaxonin has been discovered as the cause of a rare and lethal childhood disease, giant axonal neuropathy (GAN). The protein plays a critical role in degrading intermediate filaments in nerve cells, leading to massive aggregations that disrupt normal functioning.
Scientists at the University of Kentucky have discovered that withaferin A can simultaneously target two key proteins, vimentin and GFAP, implicated in reactive gliosis. This finding could lead to new treatments for diseases such as multiple sclerosis, Alzheimer's disease, stroke, and traumatic brain injury.
Christine Jacobs-Wagner, a leading expert on bacteria, has been designated an HHMI investigator for her pioneering work on the internal mechanisms of bacteria. Her research has led to new insights into human illnesses and survival strategies of ancient organisms.