Articles tagged with Cell Death
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Researchers describe disassembly of Drosophila fly trachea during metamorphosis, revealing two-stage process involving cell shrinkage and death. The study highlights intricate involvement of physical mechanisms and biological signalling in regulating cellular decisions.
A recent study published in Cell Metabolism found that reducing naturally occurring errors in protein synthesis improves both health and lifespan. By engineering a mutation in ribosomes, researchers observed fewer protein mistakes and improved heat resistance, leading to longer lifespans in yeast, worms, and fruit flies.
A recent study explores the plant immune system using chimeric maize leaves with an auto-active R protein. Researchers found that Rp1-D21 triggers a defense response without recognition events, leading to cell death in affected areas but not neighboring cells.
Researchers have uncovered a weakness in the key enzyme that solid tumour cancer cells rely on to adapt and survive when oxygen levels are low. Inhibiting this enzyme, called Carbonic Anhydrase IX (CAIX), can effectively stop cancer cell growth.
Researchers have discovered that inhibiting the GOT1 enzyme can promote ferroptosis, a type of programmed cell death, in pancreatic cancer cells by conserving nutrients and releasing iron stores. This study provides a new potential therapeutic target for treating pancreatic cancer.
Researchers at the University of Texas M.D. Anderson Cancer Center have discovered that targeting the mitochondrial enzyme DHODH can induce ferroptosis and suppress tumor growth in cancer cells. The study suggests a new therapeutic strategy for inducing ferroptosis, which could have broad implications for treating various types of cancer.
Researchers designed a simple screening assay based on competitive binding to identify peptide candidates with high binding affinity for ubiquitin. The dimers of cyclic peptides were found to be more potent than control peptides and induced cell death in live cancer cell lines.
Researchers have discovered a way to prevent cell death in the hearts of people with arrhythmogenic cardiomyopathy (ACM), a genetic disease that can lead to sudden cardiac death. By inhibiting two mitochondrial proteins, cell death can be prevented, offering new therapeutic options for those affected.
A study in mice suggests that iron processing in the body may contribute to heart failure, and blocking this process could be a way of protecting the heart. Researchers found that inhibiting the release of stored iron can reduce cell death and stabilize oxygen levels.
Researchers found that loperamide triggers autophagic cell death in glioblastoma cells by inducing ER stress, opening new avenues for treatment strategies. The mechanism may also be applicable to other diseases where ER degradation is disrupted.
Researchers used the MADM technique to investigate how cells respond to changes in genomic imprinting. They found that cells activate certain gene groups involved in cell death, growth, and synapse development, particularly in astrocytes.
Researchers develop gold nanoparticles that selectively inhibit extrasynaptic glutamate receptors, preserving neurotransmission while blocking excessive activation. This breakthrough offers promising perspectives for targeted therapy without major side effects.
Researchers have found that ZBP1 is activated by Z-form nucleic acids in the absence of viral infection, leading to cell death and inflammation. Endogenous retroelements may be a source of these nucleic acids, triggering this mechanism in humans.
Researchers have identified a link between the nervous system and immune system in Parkinson's disease, finding that genes like Parkin and PACRG protect nerve cells from cell death. These proteins regulate a signalling pathway that also plays a role in innate immunity, which prevents bacterial infections.
New research suggests that moving birth a day early can trigger an early start to widespread neuron death in the developing brain. Delaying birth has no apparent effect on when this cell death occurs, indicating a developmental process takes over in this scenario.
A new human autoinflammatory disease called CRIA syndrome has been discovered and identified by an Australian-US research team. The disease is caused by a mutation in the RIPK1 protein, leading to uncontrolled cell death and inflammation.
A new study suggests that high glucose levels increase enzymatic precursor lysyl oxidase propeptide (LOX-PP), promoting cell death and contributing to retinal vascular cell loss. LOX-PP may be a therapeutic target for developing novel treatments for diabetic retinopathy.
Researchers at Karolinska Institutet found that only viable neurons survive in the developing nervous system, while immature ones die. This discovery challenges the long-standing neurotrophic theory and could lead to new treatments for neurological diseases like Parkinson's.
A new developmental mechanism, interdigital cell death, shapes limbs through differential growth and ROS production. This mechanism is shared by all amniotes, including humans, and was triggered by high oxygen levels surrounding the embryo.
Researchers found that atmospheric oxygen exposure triggers removal of interdigital webbing during embryo development. This mechanism is thought to be shared by all tetrapods and contributes to limb shape variation. The study provides insight into the evolutionary process behind limb development in animals.
Researchers identified a new molecular mechanism causing rheumatoid arthritis, finding that death of macrophages triggers the disease. The protein A20 was found to prevent macrophage death and protect against arthritis.
Researchers investigated nanomaterials' potential to activate the body's antitumor immune response. The study found that biomaterials can induce immunogenic cell death, leading to a decrease in metastases and an increase in long-term survival rates.
Researchers found that vaginal births reduce cell death in brain regions, while C-sections lead to increased ultrasonic vocalizations and altered hormone expression at weaning. Cesarean-born mice also had greater body weight.
Researchers found greater nerve cell death in Cesarean-born mice, associated with reduced neurons and altered behavior, but no effect on overall brain size or development
Researchers found that lysophosphatidic acid levels increase after traumatic brain injury, particularly in areas associated with cell death and axonal injury. Elevated LPA may serve as a biomarker for TBI through blood testing, providing a prognostic indicator of injury and outcome.
Researchers create nanoaggregates of microtubules by controlling their aggregation in response to light. The aggregation can cause cell death, making it a potential target for diseases caused by protein misfolding.
Scientists at Stanford University School of Medicine have identified a molecular code that unleashes necroptosis, a violent form of cell death. The discovery opens the door to potential new treatments for diseases such as inflammatory bowel disease and multiple sclerosis.
Researchers discovered that grapes experience internal oxygen shortage during ripening, leading to cell death and potentially affecting wine quality. The study's findings suggest that manipulating oxygen supply can reduce cell death, and may lead to new ways of selecting grape varieties for warmer climates.
Researchers have developed a water-soluble warped nanographene molecule that induces cell death when exposed to blue laser light, showing promise for fluorescent cell imaging and possibly eradication of cancer cells. The molecule exhibits green fluorescence under ultraviolet or blue light and has low cytotoxicity.
Trans-fatty acids directly activate ASK1 kinase by enhancing extracellular ATP, promoting cell death in a more direct manner than previously thought. The study identifies several trans-fatty acid types that stimulate cell death, but not their corresponding cis-fatty acids, which have health benefits.
A Brown University study used a custom-built device to compress neurons in 3-D cell cultures and observed their reaction to traumatic brain injury. The findings suggest that there may be a window for therapeutic intervention aimed at minimizing further damage, with irreparable structural damage occurring after approximately six hours.
Researchers have visualized how immune cells create networks of DNA traps called NETs to capture and destroy microbes. The process, known as NETosis, involves the transformation of histones and release of digestive enzymes into the extracellular space.
A new method detects multiple diseases via methylation patterns of circulating DNA from dying cells, identifying cell death in specific tissues and offering a minimally-invasive window for monitoring and diagnosis. The approach has vast possibilities for diagnostic medicine and can be adapted to identify cfDNA derived from any cell type.
A recent clinical study found that ONC201 caused cell death in various tumor types, even when the p53 protein was mutated or deleted. The drug has shown promise in treating hematological malignancies, including leukemia and lymphoma patients, with clinical trials recently initiated.
A study found that aspirin's breakdown product salicylic acid blocks cell death associated with Alzheimer's, Parkinson's and Huntington's disease by inhibiting the GAPDH enzyme. Derivatives of salicylic acid may hold promise for treating multiple neurodegenerative diseases.
Researchers at York University have discovered that beta-blockers may prevent further cell death following a heart attack, potentially leading to better long-term patient outcomes. The study found that the protein complex MEF2 plays a key role in heart cell survival and gene expression.
Researchers have discovered the molecular culprits behind primary open-angle glaucoma, a leading cause of blindness, by identifying two key risk genes: SIX6 and P16. The study found that high eye pressure increases expression of P16, linking it to increased risk of vision loss.
Scientists have identified a gatekeeper enzyme that prevents cell death in Wolfram syndrome, a rare form of diabetes. Replacing or enhancing the enzyme strengthens cellular membranes and stops molecules from leaking into other parts of the cell.
Researchers identified a cellular mechanism that can be targeted to treat ALS by increasing levels of protein hUPF1, which successfully protected against cell death in both genetic and sporadic versions of the disease. Treating this pathway may also have implications for frontotemporal dementia.
A recent study found that saturated fatty acids can induce cell death in cardiac muscle cells through endoplasmic reticulum stress. In contrast, unsaturated fatty acids protect these cells from damage. The research suggests a critical role for saturated fatty acids in heart disease development.
A new method for minimally invasive tissue ablation surgery combines electrolysis with reversible electroporation, increasing the effectiveness of the procedure. The technique allows for faster treatment and greater control over the target area, potentially leading to safer and more effective cancer treatment.
A new chemical compound, KIRA6, has shown significant protection against degenerative forms of blindness and diabetes in rats and mice. The research offers a promising drug-development path for the diseases caused by cell loss and provides insights into the unfolded protein response (UPR) network.
Researchers have unraveled the mechanism of necroptosis, a type of cell death linked to various diseases. Understanding this process enables the development of targeted medications to block or stimulate necroptosis, potentially treating chronic and acute inflammatory and degenerative diseases.
Blocking extrasynaptic NMDA receptors may improve motor learning, coordination and prevent cell death in animal models of Huntington disease. This finding could lead to new treatment avenues for neurodegenerative conditions such as Alzheimer's disease and traumatic brain injury.
Researchers developed a new, high-tech device for transferring DNA into cells with minimal stress, reducing cell death rates. The MEMS nanoinjector uses electrical forces to inject DNA into cells without using extra fluid.
Researchers identify CLP1 as a cause of a rare neurological disorder affecting brain development and peripheral nerves, leading to cell death in neural progenitor cells. The study reveals a new mechanism involving tRNA biogenesis, which explains the disorder's symptoms.
Researchers at Scripps Research Institute develop new drug discovery technique to quickly and cheaply identify antibodies that protect human cells from viral infections. The technique successfully identifies two antibodies that prevent cold virus-induced cell death, highlighting its potential for treating various diseases.
Researchers at Duke University Medical Center found a high presence of bacteria at the site where fetal membranes rupture may be associated with premature water breaking. The study suggests that bacterial presence is linked to thinning of the fetal membranes, which can lead to preterm births.
A newly developed mouse trauma model reveals that the brain's protective coverings feel the brunt of even mild traumatic brain injuries. Researchers discovered a similar immune response in patients with mild head injury, suggesting a new potential treatment approach.
Researchers discover that prion protein has a 'switch' controlling its toxicity, which can be triggered by antibodies targeting the flexible tail. The study finds that only antibodies targeting the tail are suitable for use as potential drugs, while those triggering the switch are harmful.
Kuo-Fen Lee's discovery of the protein P45 provides insight into a possible molecular mechanism to promote rerouting for spinal cord healing and functional recovery. P45 has been shown to have a previously unknown neuroprotective effect, preventing cell death in injured mice.
A recent study challenged the long-held understanding of how antibiotics work, finding that all antibiotics induce bacterial cells to make compounds called reactive oxygen species, making bacteria susceptible. The results contradict previous findings and suggest a need to re-evaluate the mechanisms of antibiotic action.
University of Iowa researchers have discovered that CaM kinase II triggers cell death in heart cells following a heart attack. Blocking the enzyme can prevent heart cells from dying and protect against heart failure.
Researchers at Wake Forest Baptist Medical Center have developed a new device called mechanical tissue resuscitation (MTR) that uses negative pressure to reduce cell death and improve brain function after traumatic brain injury. The technology showed significant promise in reducing brain swelling and preserving more than 50% of damaged...
Researchers found that a key signaling pathway, Wnt, plays an important role in the disease and may offer a potential treatment target. The study suggests increasing a specific receptor, FZD2, could promote brain-cell survival and alleviate symptoms.
Scientists at WashU Medicine identified three unexpected players, small RNA molecules, that help a cell initiated its own demise when overloaded with fat. The research links these molecules to the cellular damage characteristic of common metabolic diseases like diabetes.
Researchers at Rutgers University have identified P75 as a likely culprit in post-seizure brain cell death, which can benefit people with epilepsy and those suffering from traumatic brain injuries and strokes. The study aims to prevent cell death by testing molecules that block the P75 receptor.
Researchers have uncovered how yeast cells recognize and assemble cargo mRNA for transport, a process critical for cell function. The discovery sheds new light on the mechanisms underlying molecular transport in both simple and complex organisms.
Researchers found that the process of repairing damaged DNA repeats can lead to cell death in yeast, providing insight into neurodegenerative diseases. The study suggests that expanded DNA repeats can be toxic to cells, contributing to disease progression.
Researchers at UC Riverside have identified a chemical compound, blebbistatin, that inhibits the molecular motor NMII and prevents cell death in human pluripotent stem cells. This breakthrough discovery brings stem cell research closer to finding therapies for various diseases.