Articles tagged with Cell Lineage
A study by John Innes Centre researchers reveals that inner tissues play a crucial role in shaping plant organs, contradicting the widespread assumption that external layers control growth. By analyzing cell division orientation and gene editing techniques, they discovered genes affecting stem thickness in Arabidopsis.
Researchers at University of Michigan created a stem cell model that produces a yolk-sac-like structure in a human embryo, mimicking early pregnancy loss. The model uses mechanical signals to guide development and does not require genetic manipulation.
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.
The study reveals that ZFTA-RELA exploits open regions of the genome to trap immature brain cells in developmental limbo. This finding may lead to novel therapeutic strategies to test, such as forcing cells past immature developmental states.
A sea urchin single-cell RNA-seq atlas reveals dynamic changes in cell states during neural differentiation. The study provides an accessible platform for exploring gene expression patterns, enabling detailed analysis of neurogenic lineages and regulatory dynamics.
Researchers found that new strains of Cutibacterium acnes, a species believed to contribute to acne development, are acquired during the early teenage years. This transitional stage could be the best window for introducing probiotic strains of C. acnes to prevent acne.
A new method captures totipotency using a short-term high-dose treatment of Pladienolide B, reprogramming classical mouse embryonic stem cells into transient totipotent blastomere-like stem cells. These cells exhibit remarkable developmental potential and self-organize into blastoid structures mimicking early embryonic development.
The study reveals conserved neural patterning mechanisms in mammalian hypothalamus development, tracing how brain cells emerge from neural progenitors during growth. The researchers identified four adaptive evolutionary divergences in human neurons, including a unique subtype and enhanced neuromodulation.
Scientists discovered a novel method to activate extraembryonic trophoblast potentials in conventional human pluripotent stem cells through transient treatment of epigenetic regulators. This approach holds promise for advancing understanding and treatment of diseases related to placental development.
A new study from the University of Texas M. D. Anderson Cancer Center found that at least 3% of normal breast tissue cells in healthy women contain chromosome abnormalities associated with invasive breast cancer, which may guide future approaches to early detection.
Pro-B cells, a stage in B cell development, exhibit unusual plasticity when YY1 is knocked out. This enables them to generate T lineage cells, which help B cells produce antibodies. The study published in Genes & Development reveals the potential for regenerative medicine applications.
A Brazilian study published in PNAS suggests that life on Earth was more diverse than classical theory suggests 800 million years ago, with multiple lineages of amoebae and ancestors of plants, algae, and animals already established. The study's findings challenge the long-held paradigm for the Neoproterozoic period and provide new ins...
A new study from the University of Copenhagen reveals that Neanderthals may have gone extinct due to their isolated lifestyle. The discovery of a male Neanderthal remains in southern France supports the hypothesis that small group sizes and limited genetic diversity contributed to their demise.
Non-flowering bryophytes, including mosses, have sophisticated immune receptor repertoires that can be transferred between flowering and non-flowering plants. This discovery offers a new source of resistance genes against pathogens for major crops facing climate change threats.
Researchers discovered an anti-nucleolin DNA aptamer that modulates gene expression and nucleolin localization to determine a cell's lineage during differentiation. The study shows promise as a regenerative therapy for cardiovascular diseases.
Researchers at Kyoto University discovered that liverwort Marchantia polymorpha uses gibberellin precursors to produce a signaling molecule aiding survival under shaded conditions. This metabolic pathway inheritance provides insight into the evolution of plant hormone responses.
Researchers at Beth Israel Deaconess Medical Center discovered a non-ectodermal and mesodermal origin for large numbers of enteric neurons born after birth. This finding overturns decades of scientific dogma and offers hope for disease-modifying cures to aging patients.
Researchers found that necroptosis promotes metastasis in breast cancer models, and blocking it leads to inhibition of metastasis. Necroptosis may be a key factor in tumor progression, and targeting its regulators could be critical for mitigating metastasis.
Researchers tracked the evolution of Staphylococcus aureus in patients with eczema, discovering rapid mutations in a gene that enables the bacteria to grow faster on the skin. These findings could lead to targeted treatments by targeting variants of S. aureus associated with eczema symptoms.
A recent study led by Children's Hospital of Philadelphia identifies two different regulatory T cell populations, one related to autoimmunity and the other to protective immunity. The findings could pave the way for new treatments that target the immune system selectively.
A specialized mRNA translation circuit controlled by protein RBPMS determines the competence for heart formation in human embryonic development. The study provides a better understanding of human cardiac development and reveals potential molecular targets for therapeutic interventions.
Researchers identified the molecular mechanism underlying Weiss-Kruszka syndrome, a rare neurodevelopmental disorder characterized by craniofacial anomalies and autistic features. The study reveals that the ZFP462 gene mutation leads to a failure to safeguard neural lineage specification during early embryonic development.
Research reveals TBX3 as a fate determinant controlling hypothalamic KNDy neuron development and puberty onset. Multiple TBX3 mutants fail to form phase-separated condensates, leading to delayed puberty in UMS patients.
A molecular switch, p57, enables stomach stem cells to change allegiance from normal digestion to injury response, potentially leading to new treatments for gastric pathologies. The study's findings suggest that p57 is a key regulator of reserve stem cell state in gastric chief cells.
A team of researchers at UC Riverside has discovered that a protein complex called CAF-1 controls genome organization to maintain lineage fidelity in blood stem cells. The study found that CAF-1 keeps specific genomic sites compacted and inaccessible to transcription factors, ensuring the expression of lineage-specific genes.
Researchers developed a single-cell epigenetic aging clock to profile biological age in individual cells. The technique revealed mechanisms driving aging, attenuation, and early embryogenesis-related rejuvenation, opening possibilities for clinical applications in mammalian cells.
A new imaging technique developed by the Skala Lab can predict the efficiency of cardiomyocyte differentiation from human pluripotent stem cells, providing a non-invasive quality control method. The technique uses autofluorescence to measure metabolic activity and has been shown to be accurate in predicting outcome with high consistency.
Researchers developed a technique to spatially track RNA molecules within cells, revealing ten times more genes with localized RNA than previously known. These genes are hard-wired into the fertilized egg cell, dictating cell differentiation and potentially influencing diseases like cancer and neurodegenerative disorders.
The new approach provides a powerful tool for recording cell lineage in diverse cellular systems. Researchers use intMEMOIR to reconstruct lineage histories and link cell fate, spatial structure, and tissue organization in mouse embryonic stem cells and fruit fly brain.
Researchers at Yale University have developed a method to recreate the earliest stages of cellular development, allowing scientists to track individual cell lineages. By analyzing tiny variations in skin cells' genomes, they can reconstruct the early lineage trees for each person, shedding light on human biology and potentially diagnos...
Researchers discovered precise cell-to-cell contact areas required for invariant embryonic cell lineages, suggesting a range of cell signaling events limits reproducibility during development. Ascidian embryos maintain highly regimented cell-fate from early developmental stages to later stages, even between distantly related species.
Researchers create a mouse model that can identify different cell types as they emerge and what genes each is turning on, providing a greater understanding of development, aging and disease. This system uses CRISPR gene editing technology and 'barcoding' to track thousands of cells simultaneously.
A team from the University of Pennsylvania has created a comprehensive molecular map of every cell in a developing animal embryo, using single-cell genomics methods. The study provides insights into how cells specialize their function during development and could lead to breakthroughs in regenerative medicine and cellular engineering.
Researchers use PAGA to study developmental processes and understand disease progression. The tool groups cells by type and biological state, revealing transitions between cell types and states, and delivering important results in a clinical context.
Researchers found that severe flu cases reshape the lungs by triggering the growth of 'tuft cells', which may help protect lung function. The discovery may provide insight into preventing long-term respiratory damage after a severe flu infection.
A team of scientists led by Alex Schier has developed a new method to trace the entire history of individual cell differentiation. They discovered that cells can leave their initial path and change their identity, leading to a more flexible developmental program than previously thought.
Scientists create LINNAEUS technique to map cellular lineage, enabling identification of rare and unknown cell types. The method reveals connections between cells and allows for construction of lineage trees, providing insights into developmental processes and disease mechanisms.
Researchers have created a comprehensive atlas of gene activity in every cell type of an animal, using Caenorhabditis elegans as a model organism. The study reveals selective activation of genetic code in different cell types, accounting for the formation of specialized cells and body parts.
A novel lineage-restricted stem cell was identified in the mammary gland, maintaining ER+ lineage expansion during pubertal development and long-term renewing capacities in adult mice. This finding challenges the current model of cellular hierarchy governing tissue development and maintenance.
A new study introduces a 'genetic barcode' technique that tracks cell lineage using CRISPR gene editing. This method reveals the relationships between cells and accelerates our understanding of cellular processes.
Researchers found that endothelial cells, which line blood vessels, increase the ability of pluripotent stem cells to form blood cell lineages. This improves their potential for transplantation, offering a new hope for treatment of certain blood disorders.
Researchers discovered a regulatory element controlling gene Cdx2's function, crucial for embryonic and extraembryonic cell lineages. This finding helps understand early specification of trophectoderm, essential for mammalian development.
Weizmann Institute scientists have disproved a claim about the origin of eggs in female mammals and created a new method for reconstructing lineage trees for cells. The study found that ova cannot be descended from bone-marrow stem cells, but older mice eggs undergo more cell divisions than younger ones.
Tuft cells are a rare fifth type of intestinal cell with distinct features and a novel protein signature. They secrete opioids and produce enzymes that synthesize prostaglandins, suggesting potential roles in inflammation and tumorigenesis.
Researchers discovered that human embryonic stem cells (hESCs) and lineage-committed cells have drastically different epigenomic landscapes. The unique epigenome of each cell type directs the cell to interpret its genetic information differently in response to environmental factors, influencing their development and function.
Researchers at Case Western Reserve University found that Merkel cells, responsible for touch perception, originate from the skin, contradicting previous speculation. The study's results provide significant insights into the development and function of Merkel cells, which may hold implications for understanding Merkel cell carcinoma.
Researchers reconstruct cancer cell family tree using novel method, tracing developmental history and growth pattern. The technique enables estimation of cell depth, a key factor in understanding cancer behavior.
Researchers developed a system to trace lineage on a large scale by analyzing genetic mutations in microsatellites, creating accurate cell lineage trees for living cells. The method uses a computer algorithm to analyze genetic information and assess degrees of relatedness.
A study published in PLOS Biology found that E. coli bacteria, which reproduce symmetrically, have a reduced growth rate, decreased offspring formation, and increased risk of dying compared to cells inheriting new poles.
Azevedo's research reveals surprisingly simple cell lineages in small invertebrates, contradicting long-held assumptions about developmental complexity. The findings suggest a more universal approach to analyzing organism development using computer programs.
A recent study published in JCI Journals reveals that a versatile stem cell can be repurposed to enhance tissue repair and regeneration in various tissues. The researchers discovered that the stem cell can differentiate into multiple cell types to facilitate the healing process.