Articles tagged with Stem Cell Development
Researchers at the Gladstone Institutes have developed a new method to study the earliest stages of human development, mimicking how cells self-organize into distinct populations. By silencing specific genes in human pluripotent stem cells, they created ring patterns that influence cell behavior and future identity.
Researchers report on the most in-depth study to date of how human stem cells can be turned into heart cells, revealing unique patterns of gene activity associated with cardiac cell development. The findings provide new insights into how the heart builds itself and may lead to new approaches for repairing damaged hearts.
Researchers have found that the Wnt pathway likely functions upstream of and activates the Hh pathway in response to injury, enabling proper tissue regeneration. The study suggests a new mechanism for appendage regeneration, with implications for human limb repair and regeneration.
Researchers found that changing the balance of histone modifications at bivalent promoters has profound effects on gene activity, leading to changes in genome architecture. The study sheds light on the earliest points in development when cells make quick decisions about their fate.
Researchers found that jumping genes use nurse cells to produce virus-like particles, which then integrate into the genome of developing egg cells. This process can lead to genetic disorders and cancer. The study provides new insights into how parasitic genetic elements manipulate their environment to drive evolutionary change.
Researchers have developed a new procedure to generate human brain 'organoids' capable of myelination, modeling the brain's structure and function more closely than ever. This breakthrough could lead to better understanding and treatment of neurological diseases such as multiple sclerosis and Pelizaeus-Merzbacher disease.
The NYSCF Research Institute has developed a novel bioengineering technique called Segmental Additive Tissue Engineering (SATE), allowing for the creation of large-scale, personalized bone grafts. This technology overcomes limitations of current treatments, such as immune rejection and limited size and shape options.
A Canadian research team has discovered how brain stem cells collaborate to build brain circuits during development. This understanding may lead to new treatments for neurodevelopmental disorders in children. The study also suggests that manipulating these brain-resident stem cells could promote brain repair.
A UMD researcher has discovered mechanisms dictating germline stem cell development and epigenetic markers associated with diseases such as cancers, viral infections, and male infertility. These findings provide insight into treatments for these conditions and unlock future animal and human health research.
Geneticists at Martin Luther University Halle-Wittenberg deciphered a central signalling pathway that encodes and controls the synchronisation of multiple processes during germ cell development in C. elegans. This process involves RNA-binding proteins and a MAP kinase signalling pathway, optimising germ cell production.
Researchers discovered that SOX10 and SOX5 transcription factors interact differently in zebrafish and medaka fish to develop pigment cells. The study suggests that these proteins may work together to form a novel pigment cell type, the leucophore, which could offer clues about how new cell types evolve.
A new study reveals that spaceflight triggers cellular adaptations in heart cells, paving the way for novel stem cell therapies. Researchers found altered calcium signaling pathways that could be harnessed to improve heart repair.
Researchers at the Wellcome Sanger Institute discovered that SMAD2/3 proteins coordinate unexpected pathways with finely tuned gene expression, allowing cells to switch on and off genes rapidly. This mechanism could be essential for rapid responses in other processes like organ repair or cancer growth.
Researchers uncover new insights into how stem cells transform into brain cells controlling leg movements in fruit flies, with implications for understanding comparable systems in humans. The study finds that two critical cell types, born from the same stem cell, facilitate the construction of a mature motor system.
Researchers identified two related genes, Nr2f2 and Nr2f5, that pattern the jaw by regulating stem cell generation of skeletal cells. This study offers clues for understanding craniofacial anomalies in humans, where equivalent gene mutations are present.
Indy University researchers created lab-grown skin tissue with hair follicles using mouse stem cells. The skin model closely resembles natural hair growth, making it useful for testing drugs and understanding hair development. The team discovered that the two layers of skin cells must grow together to form hair follicles.
Researchers discovered Ryk's chaperone, Smek, which regulates key genes transforming stem cells into brain cells. The study sheds light on the mechanisms of brain development and may lead to new therapies for neurological diseases and brain cancer.
Researchers have discovered a molecular commonality between two progeroid syndromes and introduced a method for disease recognition that could lead to breakthroughs in therapy. By characterizing disruptions in DNA replication timing, the team identified a shared abnormality in the gene TP63.
A new study published in Nature Cell Biology shows that human stem cells can be used to produce insulin-producing cells that can be transplanted into diabetes patients. The development of these cells depends on their sense of direction and polarity, which can be controlled using a specific signal pathway.
Researchers at Nara Institute of Science and Technology identified CRABS CLAW as a key molecule that controls the termination of stem cell growth and the formation of gynoecium in flowers, promoting floral reproduction. The study also shows auxin homeostasis is regulated by TORNADO2, providing insight into flower development.
A new method successfully removes cellular material from human livers while retaining the three-dimensional structure and extracellular matrix components. The technique enables reseeding of these scaffolds with human cells, providing proof-of-concept for generating bioengineered liver grafts.
Researchers created Expanded Potential Stem Cells (EPSCs) with greater development potential than current stem cell lines, shedding light on miscarriage and developmental disorders. The EPSCs can develop into any type of cell, offering a platform to study early embryo cells in detail.
Researchers at Karolinska Institutet create cell models of human brain using skin cells from patients with lissencephaly, a rare congenital developmental disease. The study reveals that diseased cells matured slower and were less mobile compared to healthy controls.
Researchers reprogrammed cells carrying an extra chromosome in mice, resulting in the loss of the extra chromosome. This technique, known as trisomy-biased chromosome loss, successfully generated fertile offspring and offers a potential solution to infertility related to extra chromosomes.
Researchers at Karolinska Institutet and Uppsala University have discovered that mast cell development does not depend on stem cell factor. Instead, factors like interleukin 3 and 6 play a crucial role in their formation.
A new study by the Reik lab finds that genetic noise is essential for cells to make decisions about their fate, enabling symmetry breaking and unique cell types.
Researchers at the University of Wisconsin-Madison have developed an automated screening test to create all-chemical replacements for traditional stem cell growth materials. This innovation enables wider use of stem cells in regenerative medicine, drug discovery, and testing environmental chemicals for vascular toxicity.
Researchers developed an algorithm to correct images and make hitherto hidden development steps visible, allowing for more accurate detection of regulatory proteins active during stem cell development. The 'BaSiC' software can correct changes in the background of time-lapse videos, making it a valuable tool for stem cell researchers.
Scientists have developed a high-throughput protocol to derive human microglia from stem cells, which can be used to investigate the role of microglia in neurological disorders. This new method enables researchers to generate microglia from individual patients' samples and advance complex disease modeling in a dish.
Researchers found reduced proliferation capacity and increased rates of cell death in MSCs from patients with acute myeloid leukemia at diagnosis. These alterations may play a role in the development of leukemia, according to the study published in Stem Cells and Development.
Researchers at UC San Diego discovered a new regulatory protein called SMARCAD1 that fine-tunes embryonic stem cells to switch between two states. By suppressing this protein, they can induce the switch and maintain pluripotency in stem cells.
Researchers developed an algorithm that uses Deep Learning to predict the decision of hematopoietic stem cells to become a certain cell type. This enables earlier detection and analysis of blood cell development, paving the way for new treatments and insights into developmental traits.
Researchers successfully repaired a defective gene in blood-forming stem cells from patients with X-linked chronic granulomatous disease, suggesting a potential treatment approach. The study used CRISPR-Cas9 technology to correct a specific mutation in the CYBB gene, restoring normal functioning of white blood cells.
A new color-based labeling technique allows researchers to track the development and behavior of individual blood stem cells. The study reveals that these cells have a scripted set of responses and cannot make just any blood cell type.
Researchers have identified a mechanism by which tumors recruit bone mesenchymal stem cells and convert them into cancer-associated fibroblasts, facilitating tumor progression. Basic fibroblast growth factor (bFGF) signaling plays a crucial role in this process, suggesting new therapeutic targets for suppressing tumor growth.
Researchers found that vitamin D influences inflammatory signals controlling blood stem cell formation and multiplication. Vitamin D exposure led to an increase in blood stem cells, while deficiency resulted in fewer cells being formed.
Cedars-Sinai Heart Institute researchers collaborate with DoD and VA to study cardiac progenitor cells for heart failure with preserved ejection fraction, a condition affecting millions. The clinical trial aims to improve symptoms and treatment options for patients.
Researchers developed an algorithm to analyze single-cell sequencing data, revealing the genetic control of blood cell formation. The 'diffusion pseudotime' method orders cells on a virtual timeline, reconstructing developmental paths and gene expression sequences.
A new study published in Nature Communications reveals that the Zika virus disrupts the proliferation of radial glial progenitors (RGPs), a type of stem cell essential for brain development. In genetic cases of microcephaly, NDE1 mutations cause RGP cells to fail to divide, resulting in severe brain developmental delays.
Researchers have created an atlas of gene expression during early mammalian development using single-cell sequencing. This new tool allows for direct observations of individual cells, enabling scientists to map healthy cells against those with genetic abnormalities, shedding light on the causes of birth defects.
Researchers have identified specific microRNAs that play a crucial role in inducing asthma, providing a potential new target for treatment. The findings suggest that regulating these miRNAs could represent a novel therapeutic approach for asthma.
A new study shows that post-transplant gamma-ray irradiation can prevent immature cells from forming tumors in rat brains after human iPS cell transplantation. This approach aims to improve the safety of cell replacement therapy using human iPS cells for Parkinson's disease treatment.
A study found that freeze-thawing and intravenous infusion affect mesenchymal stromal cell gene expression, which may impact their therapeutic use in reducing inflammatory responses. The lung microenvironment also influences MSC gene expression, highlighting the need for careful characterization.
Scientists have discovered a nuclear receptor protein, estrogen-related receptor γ (ERRγ), that enables the maturation of human beta cells in vitro. This breakthrough overcomes a major challenge in diabetes research and holds promise for creating functional insulin-producing cells at will.
A study reveals that Frizzled7 is uniquely controlled by the Notch signaling pathway in human breast epithelial cells. This interaction may provide a new target for treating breast cancer. The researchers hope their findings will help identify an underlying cause of breast carcinogenesis.
Researchers demonstrate that iPSCs can differentiate into multiple types of functional lymphocytes, including CD4+ T cells, B cells, and natural killer cells. The ability to generate functional lymphocytes from somatic cell-derived hematopoietic stem cells supports the clinical application of iPSC technology.
Scientists at the University of Cambridge and EMBL-EBI discovered that four-cell embryo cells exhibit subtle genetic differences, indicating that early development is guided by specific decisions. The study used sequencing technologies to model embryo development, revealing distinct gene expression patterns in individual cells.
Researchers at the University of Birmingham have identified key regulators of blood cell development using a 'big data' approach. By studying six consecutive stages of development, they discovered previous unknown regulators and explained how regulatory elements work together to drive gene expression and stage transitions.
A new seaweed-based solution has been developed to transport stem cells and treat wounds, offering a low-cost and effective alternative to current methods. The alginate gel protects the stem cells from environmental damage, preserving their viability for up to three days at room temperature.
EPFL scientists have developed a gel that boosts the ability of normal cells to revert into stem cells by simply squeezing them into shape. This method paves the way for large-scale production of stem cells for medical purposes, offering new ways to treat injuries and diseases such as Parkinson's and diabetes.
A new study has revealed reasons why lab-grown stem cells fail to mature in the laboratory and provided a possible solution to overcome these 'developmental arrest'. The researchers analyzed over 200 heart cell samples from mice embryos and animals, identifying biochemical pathways that are out of sync with adult cells.
A phase III clinical trial's results may lead to the first approved gene therapy product in the US for treating Leber congenital amaurosis type 2 (LCA2). The treatment, SPK-RPE65, could improve patients' ability to see and function at night or in dimmer light levels.
Researchers used single-cell RNA sequencing technology to study gene expression in mouse embryonic stem cells, identifying new genes involved in pluripotency and discovering new subpopulations of cells. The findings provide insights into the links between environment and inter-cell heterogeneity.
Researchers at Baylor College of Medicine found that infancy's gut development can have lifelong implications on intestinal health. The study discovered that epigenetic changes and the gut microbiome play a crucial role in shaping intestinal stem cells, which control gut physiology throughout life.
By expressing Pax6 in mouse basal progenitor cells, researchers mimicked the behavior of human brain cells, leading to increased cell division and a larger neocortex. This study contributes to understanding the molecular mechanisms behind brain expansion and cognitive functions.
Researchers at USC's Stem Cell labs have discovered new genes affecting blood stem cell development and function. The study found that certain genetic regulators, such as Hopx, play a crucial role in the formation of red and white blood cells in adults.
Emerging model systems of reprogrammed human neurons will drive discovery of new patient-specific therapies, accelerating research on understanding neuronal activity, brain development, and neurological diseases. The article discusses recent technological advances, current challenges, and future clinical applications.
Researchers at NYU Langone discovered that mitochondria are essential for stem cell development, directly controlling the growth and maintenance of inner membranes inside mitochondria. The study found that blocking ATP synthase stalled egg cell development from stem cells in fruit flies.
A UCI team led by Leslie Thompson will establish an HD therapy employing human embryonic stem cells that can be evaluated in clinical trials. The researchers have identified a highly promising neural stem cell line showing disease-modifying activity in HD mice, and will conduct preclinical efficacy and safety studies.
Researchers at Uppsala University have discovered a novel origin of the lymphatic system, challenging the long-held dogma that it forms via sprouting from veins. The new findings may lead to innovative treatments for conditions such as lymphedema and tissue trauma.