Cell Development
Articles tagged with Cell Development
Decoding the mitochondrial genomic reasons for poor bone healing during aging
Aging bone repair declines due to mitochondrial DNA structures disrupting stem cell function, reducing energy production and causing cellular senescence pathways. Targeting these structures may restore balance between bone and cartilage formation during healing.
A CNIO group contributes to identifying which breast lesions will progress to cancer, thus helping avoid overtreatment
A study by the CNIO group has identified a genetic signature in precancerous breast lesions that can predict which ones will evolve into invasive tumours. This discovery could help avoid over-treatment of women diagnosed with ductal carcinoma in situ, a common precancerous lesion.
Beyond cell death: The hidden drivers of stem cell aging
A recent study reveals that MLKL activation causes direct damage to mitochondria, impairing energy production and leading to functional decline in hematopoietic stem cells. In contrast, deletion or inhibition of MLKL significantly alleviates these defects, suggesting a post-transcriptional mechanism driving HSC aging.
Exploring the teamwork of two genes in shaping dental and facial features
A team of researchers found that Gli2 and Gli3 function synergistically to regulate tooth root morphogenesis. Their study revealed a critical interaction between HH signaling and TGF-β signaling, which is essential for normal root development.
Closer to deciphering TOR, the molecular machinery that makes humans and yeast grow
TOR protein's molecular switch regulator, SEA complex, has been structurally solved by CNIO researcher Lucas Tafur. The study reveals that SEA doesn't regulate TOR in the way previously thought, providing new insights into understanding cancer and disease prevention.
Scientists identify the gatekeeper of retinal progenitor cell identity
Researchers discovered Setd8 enzyme preserves retinal progenitor cell flexibility, enabling potential regenerative vision therapies. The study highlights a potential target for repairing damaged retinas, with implications for regenerative medicine and ophthalmology.
How did humans develop sharp vision? Lab-grown retinas show likely answer
Researchers at Johns Hopkins University used lab-grown retinal tissue to discover the cellular mechanisms that shape the foveola, a critical part of the eye responsible for sharp vision. The findings suggest that blue cones convert into red and green cones during early development, rather than migrating to other parts of the retina.
New line of bovine embryonic stem cells shows promise for lab-grown meat, biomedical applications
A team of researchers at UConn has developed a novel line of bovine embryonic stem cells, which have significant potential for lab-grown meat and human tissue replacement. The cells can be induced into muscle and fat cells to produce meat products and also have applications in medical research and disease-resistant cattle development.
Innovations in spatial imaging could unlock higher wheat yields
Researchers at John Innes Centre and Earlham Institute developed a powerful single-cell visualisation technique to understand wheat spike development. The study reveals distinct expression patterns across spikes, shedding light on why basal spikelets fail to achieve full size.
4D Nucleome Consortium produces detailed models of the 3D genome over time in cells
The study created a critical framework for understanding the architecture of the genome and its association with gene function in cells. The 4DN Consortium integrated data from over a dozen techniques to compile an extensive catalogue of looping interactions between genes and regulatory elements.
GIMM uncovers flaws in lab-grown heart cells and paves the way for improved treatments
Researchers at GIMM discovered lab-grown heart cells are stuck in an immature stage, failing to replicate human heart characteristics. A new reference map provides a benchmark for assessing cell development, enabling more accurate disease models and effective treatments.
A new way to map how cells choose their fate
Researchers develop ddHodge, a geometry-preserving method that accurately reconstructs cell state dynamics. The technique reveals repeating processes like the cell cycle and identifies critical biological moments in embryonic development, tissue regeneration, and cancer progression.
Research reveals how ancient viral DNA shapes early embryonic development
A recent study reveals how ancient viral DNA, specifically the MERVL element, plays a crucial role in early embryonic development. Activating this element is sufficient to create totipotent features in early embryos, but its precise contribution is not well understood.
University of Houston researchers identify new target to counteract muscle wasting in pancreatic cancer
Researchers at the University of Houston have discovered a potential therapeutic strategy for counteracting muscle wasting in pancreatic cancer by blocking a specific cell pathway. Muscle wasting, also known as cachexia, is a debilitating syndrome affecting 60-85% of patients with pancreatic cancer.
Sperm tails and male infertility: Critical protein revealed by ultrastructure microscope
Researchers have discovered a key protein structure in the germ cells of male mice that causes deformations in sperm flagellum leading to infertility. The study used ultrastructure expansion microscopy to visualize the centriole, a tiny cylindrical structure critical for sperm movement.
Uncovering how cells build tissues and organs
Engineers from the University of Rochester's Department of Biomedical Engineering are studying how cells interact mechanically with the extracellular matrix to build tissues and organs. The study aims to shed light on developmental diseases, such as cancer and failed wound healing, which involve distorted principles during development.
Researchers build bone marrow model entirely from human cells
Scientists have created a complex tissue model of human bone marrow using only human cells, replicating the cellular complexity of the body's 'blood factory'. This breakthrough reduces the need for animal experiments in blood cancer research and potentially enables personalized therapies.
Scientists complete first drafts of developing mammalian brain cell atlases
Researchers have created detailed maps of the mammalian brain's developmental stages, shedding light on how brain cells form and mature. The findings provide valuable insights into the critical periods that may help diagnose and treat neurodevelopmental disorders such as autism and ADHD.
New research shows a tiny, regenerative worm could change our understanding of healing
New research from the Stowers Institute for Medical Research reveals planarian stem cells ignore their nearest neighbors and respond to signals further away in the body. This discovery may help explain the flatworm's extraordinary ability to regenerate and offer clues for developing new ways to replace or repair tissues in humans.
Seeing with fresh eyes: Snails as a system for studying sight restoration
Researchers have established apple snails as a system to study eye regeneration, which may hold the key for restoring vision due to damage and disease. The team discovered that the snail eye is anatomically similar to humans and can regrow itself, with genes such as pax6 playing a crucial role in development.
Deep learning accelerates research on early pregnancies
Researchers at King Abdullah University of Science and Technology (KAUST) have created a deep learning tool called deepBlastoid to study human embryo development in artificial laboratory conditions. The tool can evaluate images of blastoids equally well as expert scientists but 1000 times faster than traditional methods.
“Biological emulsions”: What salad dressing can teach us about the internal organization of cells
Researchers unveil detailed construction plan of nucleolus, a ribosome factory inside cells, and demonstrate ability to engineer synthetic nucleoli with altered properties. This discovery has important implications for controlling ribosome production, which is critical in preventing diseases such as cancer and ribosomopathies.
A Journal of Environmental Sciences study reveals that metal-organic frameworks may be toxic
A study reveals that metal-organic frameworks (MOFs) can be toxic to mice, causing disruptions in blood cell formation and immune balance. The researchers found that the MOFs suppressed production of certain cells but also triggered a rebound effect, leading to increased inflammation.
Barcodes uncover early blueprints of our cellular origins
A landmark study has developed a new technology to track cells during embryo development, shedding light on the fundamental mystery of how cells divide and grow. The LoxCode system provides each cell with a unique DNA barcode, allowing researchers to trace their lineage and investigate developmental disorders.
Stress genes clear dead cells, offering disease insights
Researchers have discovered a novel cell-clearance pathway linked to diseases such as Chediak-Higashi Syndrome, which affects immune system function. The study used CRISPR/Cas9 gene-editing technology and live imaging to characterize this pathway and identify key genes involved.
Uncovering how cells allocate space to make way for new growth
Researchers developed a systems approach to measuring organelle changes in living cells as they grow. The study found that certain organelles grow faster than others and that the vacuole plays a key role in buffering the cell against randomness.
Cellular scaffolding secrets unlocked: Scientists discover key to microtubule growth
Researchers from Queen Mary University of London and the University of Dundee have discovered how microtubules decide whether to grow or shorten, a fundamental mechanism governing cellular processes. This breakthrough sheds new light on cell division and opens potential avenues for cancer treatment.
Plant cell sculptors
The study discovered that closely related SCAR proteins have distinct functions in plant cells, with specific regions impacting protein stability. This knowledge could improve understanding of plant-microbe interactions and develop strategies for improved plant growth.
Scientists film the heart forming in 3D earlier than ever before
Researchers at UCL and the Francis Crick Institute have identified the origin of cardiac cells using 3D images of a heart forming in real-time. They found that cardiac cells emerge rapidly during gastrulation and follow distinct paths to form the heart's pumping chambers and atria.
Quantum-inspired cameras capture the start of life
Researchers at the University of Adelaide used quantum-sensitive cameras to image embryos, capturing biological processes in their natural state. The sensitive detection of photons allows for gentle illumination and minimizes damage from light, enabling researchers to study live cells and developing specimens.
Cells “speed date” to find their neighbors when forming tissues
Developing heart cells use filopodia to probe and grab onto potential partners, seeking stability through energy equilibrium. The model predicts how cells match and rearrange, mirroring real embryo outcomes.
Unraveling the mysteries of male infertility
A genetic mutation in mice reveals the crucial role of intercellular bridges in meiosis, a specialized cell division process that creates sperm. The study's findings may lead to new treatments and male contraceptives for infertility.
Uncovering the protein complex critical to male fertility
Researchers from Osaka University have identified a protein complex crucial for male fertility, revealing the TEX38/ZDHHC19 interaction regulates sperm development and structure. The study found that disrupting this complex can cause sperm deformity and infertility, providing insight into the causes of male infertility.
3D genome structure guides sperm development
Two landmark studies show that the 3D genome structure coordinates thousands of genes to form a sperm cell. The work identifies two proteins that establish cellular memory and set up a new structure that cements the cell's future fate as a sperm cell.
Turning robotic ensembles into smart materials that mimic life
Researchers created robotic materials that can change shape, support heavy loads, and self-heal by enabling dynamic inter-unit forces and biochemical signaling. The system can be scaled to thousands of units, enabling the development of robust and adaptable robotic materials.
New research uncovers hidden rules of immune response, opening doors for better vaccines and immunotherapies
Scientists at the Institute for Systems Biology have discovered how T cells respond to infections like COVID-19, revealing a predictable pattern based on genetic interactions. This breakthrough could lead to improved treatments and vaccine strategies for diseases such as cancer and autoimmune disorders.
AI in cell research: Moscot reveals cell dynamics in unprecedented detail
A groundbreaking AI tool called Moscot maps single cells in spatial tissues, enabling the observation of millions of cells simultaneously. This allows researchers to analyze complex cellular processes within entire living organs and organisms, providing new insights into diseases like diabetes.
TLE6 identified as a protein associated with infertility in male mice
A deficiency of TLE6 protein, associated with female infertility, was also linked to abnormal sperm morphology and reduced motility in male mice. The study suggests that TLE6 plays a crucial role in energy production in sperm cells.
The longevity factor Foxo3 mediates “unfit” cell elimination to ensure healthy body construction
Researchers from Osaka University found that Foxo3 mediates erroneous cell elimination during vertebrate development, ensuring precise development and cancer prevention. The study identified a specific pathway involving Foxo3, N-cadherin, and reactive oxygen species to eliminate unfit cells with abnormal Shh activity levels.
Researchers create a new organoid with all key pancreas cells
Scientists have developed a new organoid that includes all three key cell types in the pancreas, allowing for a clearer understanding of its early development. The research discovered a new stem cell type that can develop into these cells, and found differences between human and mouse pancreatic development.
Researchers characterize mechanism for regulating orderly zygotic genome activation in early embryos
In Drosophila embryos, the pioneer transcription factors Zelda and GAF regulate timely gene expression. Researchers identified HIRA's interaction with dPCIF1 to control premature activation of GAF, ensuring orderly genome activation. This mechanism provides new insights into zygotic gene activation regulation.
Keeping close watch on stem cells
Researchers at Osaka University have created an innovative device called INSPCTOR that enables real-time remote monitoring of cell growth in incubators. This technology allows for effective quality control and precise measurement of cellular transformation, which is crucial for advancements in regenerative medicine and drug discovery.
Stowers scientists uncover a critical component that helps killifish regenerate their fins
A recent study published in iScience found that the length of time cells spend engaged in the repair process is also key to regulating regeneration in African killifish. The researchers discovered that skin cells launch a genetic program that primes the whole animal to prepare for a repair response, guiding repair cells to get to work.
AI could predict breast cancer risk via ‘zombie cells’
Researchers have developed an AI technology that can analyze mammary tissue biopsies to identify signs of damaged cells, a key indicator of breast cancer risk. The study found the AI was far better at predicting risk than current clinical benchmarks, offering improved treatment options for women.
Now live: Living cells can be seen with infrared light
Researchers at NIST have developed a new method to measure biomolecules in live cells using infrared light, removing water's obscuring effects. This allows for the determination of key biomolecules like proteins and their amounts in cells, speeding up advances in biomanufacturing and cell therapy development.
Shocking revelation: an electrically-activated protein regulates spermatogenesis
Researchers at Osaka University discovered that a protein sensitive to electrical signals plays a key role in promoting proper sperm development and maturation. The study's findings suggest that the protein, known as VSP, converts electrical signals into chemical signals necessary for sperm maturation.
Study on fruit flies could benefit eggs of older women
Researchers at Dartmouth College found that fruit fly oocytes can renew chromosome-linking proteins, potentially helping older women reduce pregnancy complications. The discovery could lead to new therapeutic strategies for enhancing protein rejuvenation in human eggs.
Fruit fly wing research offers window into birth defects
Researchers used supercomputers to study how fruit fly embryo cells develop into wings, offering a window into human development and possible treatments for birth defects. The team found that actomyosin drives much of the development process, particularly in the lower wing disc flattening.
A new mechanical transducer was revealed
Researchers have uncovered a novel regulator governing how cells respond to mechanical cues, finding that ETV4 bridges cell density dynamics to stem cell differentiation. This discovery has significant implications for controlling cancer cells through mechanical cues.
Early genetic development of the brain mapped
A new atlas of early brain development has been created, allowing researchers to understand the genetic processes behind brain tumor formation in children. The study's findings may lead to new treatments for this rare but deadly disease.
Unveiling the mysteries of cell division in embryos with timelapse photography
Researchers used medaka fish, CRISPR and new imaging techniques to study embryonic mitosis. They discovered unique spindles assemble in early embryos and found Ran-GTP plays a decisive role in spindle formation, which diminishes later in development. The study paves the way for further exploration of embryonic mitosis.
Researchers crack mystery of swirling vortexes in egg cells
Egg cells generate internal fluid flows to transport nutrients, but how these flows arise has been a mystery. Researchers used computational models and experiments to understand the mechanics of twister-like fluid flows, revealing their origin from microtubules and molecular motors.
Pressure determines which embryonic cells become ‘organizers’
Researchers have identified a mechanism by which embryonic cells organize themselves to send signals to surrounding cells. The study found that cells feeling stronger pressure stop growing and start sending signals to organize other cells in the formation of organs.
Association of prenatal vitamins and metals with epigenetic aging at birth and in childhood
Researchers found associations between prenatal vitamin and metal exposures and epigenetic aging biomarkers in early life. A one standard deviation increase in essential metals was associated with lower Horvath EAA at birth, while arsenic was linked to greater EAA at birth and in childhood.
Sting operation out of gas
Researchers question whether micronuclei activate the cGAS-STING pathway, a key innate immune response to foreign nucleic acids. The study found that MN more commonly recognizes DNA during cell division without triggering STING activation.
Mutation solves a century-old mystery in meiosis
A team of scientists at Pohang University of Science & Technology uncovered the molecular mechanism responsible for crossover interference during meiosis, a biological process that generates genetically diverse reproductive cells. The findings have significant implications for breeding and cultivating crops with specific desired traits.
Revolutionary breakthrough in solar energy: World’s most efficient QD solar cells developed
A groundbreaking research breakthrough has led to the development of the world's most efficient quantum dot (QD) solar cell, retaining its efficiency even after long-term storage. The newly-developed organic PQD solar cells exhibit both high efficiency and stability simultaneously.
Salk scientists discover new target for reversible, non-hormonal male birth control
Researchers at Salk Institute find a new method to interrupt sperm production using an HDAC inhibitor, which blocks fertility without affecting libido. The treatment's reversibility is attributed to its ability to modulate gene expression downstream of retinoic acid.
Epigenetic drift underlies epigenetic clock signals, but…
Researchers develop epigenetic clocks based on regional disorder of DNA methylation patterns, identifying common responses and critical differences from canonical clocks. These findings suggest a fundamental decoupling of epigenetic aging processes.