Articles tagged with Stem Cell Research
Researchers developed a neural implant that restored limb function to amputees and paralysed individuals by integrating with the brain and nerve. The biohybrid device combines electronic components with reprogrammed muscle cells, preventing scar tissue formation and improving signal extraction.
Researchers discovered that mechanical loading can exacerbate inflammation in aged muscles, hindering healing. However, combining mechanotherapy with anti-inflammatory treatment significantly improves healing in aged muscles.
Researchers found that hematopoietic stem cells use aggrephagy to collect and destroy misfolded proteins, a process that is critical for maintaining stem cell fitness and longevity. Boosting this pathway could help preserve stem cell health and mitigate blood and immune disorders.
Researchers at UCLA successfully used base editing to correct a mutation causing rare immune deficiency CD3 delta SCID. The treatment corrected an average of 71% of patient stem cells and allowed them to produce fully functional T cells, suggesting long-term persistence of corrected blood stem cells.
Researchers identified key Hox genes as controllers of stem cells involved in both forming and repairing bone. Increasing the activity of these genes restored fracture repair capacity in aging mice by 32.5%, highlighting their potential for treating bone-healing deficiencies.
Researchers at German Cancer Research Center have developed a marker that predicts which patients with acute myeloid leukemia (AML) will respond to the new therapy. The marker, known as the MAC score, measures the ratio of specific proteins in leukemia stem cells and can be used to determine treatment success.
A new coating material developed by Korean researchers facilitates bone regeneration and attracts osteo-progenitor cells, significantly improving the success rate of dental implants. The coating, loaded with BMP-2, prevents non-osteogenic cell invasion and induces high bone differentiation in a short period.
Researchers from the Wellcome Sanger Institute have established a system to report CRISPR activation effectiveness in stem cells, revealing key features influencing its efficiency. The study found that bivalent genes can be robustly activated by CRISPRa and that cell state and gene location impact its success.
Researchers at University of Technology Sydney have successfully created personalized 'bio-inks' from patients' own stem cells, which are then used to 3D-print cardiac tissues to repair areas of dead tissue. This technology shows promise in treating heart failure and may reduce the need for expensive and traumatic heart transplants.
A USC-led team of scientists identified the key gene Nr5a2, essential for opening up genome regions that enable neural crest cells to form tendons and salivary glands. Zebrafish and mice lacking this gene exhibited skeletal and tendon defects, as well as failed salivary gland development.
Two compounds, A5 and C1, have shown promising results in inhibiting the growth of glioblastoma cells, a type of aggressive brain cancer. Further research is needed to confirm their effectiveness on normal nerve cells and to move towards clinical trials.
Researchers at Mayo Clinic found that a dissolvable plug delivering stem cells can heal single-tract fistulas in patients with Crohn's disease. The treatment has shown durable results with minimal side effects, offering hope for patients with refractory perianal fistulas.
A recent study led by Murdoch Children's Research Institute has revealed a new pathway for how genetic mutations impact heart muscle function. The research identifies the gene ALPK3 as a key player in cardiomyopathy, a group of diseases affecting the heart's ability to pump blood, and provides hope for new targeted therapies.
A new cell therapy has demonstrated significant benefits in improving the heart's pumping ability and reducing the risk of cardiovascular death, heart attack, or stroke in patients with chronic heart failure. The therapy, using mesenchymal precursor cells (MPCs), also showed a strong signal in reducing inflammation and improving microv...
Researchers have developed a new 'hybrid' hydrogel that safely delivers stem cells to damaged brain tissue, repairing injuries in mice. The breakthrough solves a long-standing challenge and paves the way for potential treatments beyond the brain.
Researchers have generated induced pluripotent stem cells from bats, gaining insights into the relationship between bats and viruses. The study may also shed light on bats' remarkable defenses against aging and cancer.
Scientists have successfully transformed blood cells into sperm precursors in marmoset embryos using a step-by-step process. The study, published in eLife, opens up new avenues for studying primate biology and developing novel assisted reproductive technologies.
A 53-year-old man has been cured of HIV after receiving a stem cell transplant, marking the third person to achieve this. The patient's genome contained a mutation in the CCR5 gene, making it impossible for most HIV viruses to enter his CD4+ T-lymphocytes.
Researchers have successfully converted pluripotent stem cells into hematopoietic stem and progenitor cells using optimized transcription factors. The resulting PSC-derived cells generated all types of white blood cells in mice without giving rise to tumors or leukemias, suggesting a promising future for PSC-based transplant therapies.
Researchers have generated large-scale muscle-controlling nerve cells from ALS patients, revealing striking differences in gene expression between males and females. The study, published in Neuron, used over 450 lines of stem cells to create motor neurons that can potentially lead to the development of new therapeutics.
Researchers at USC Keck School of Medicine have identified two new avenues for treating diverse forms of ALS by suppressing genes and inhibiting proteins. The findings suggest that targeting SYF2 gene suppression and PIKFYVE kinase inhibition may lead to broadly effective treatments for the disease.
Scientists made a groundbreaking discovery that lymphatic vessels can produce both red and white blood cells, challenging the long-held belief that blood cells come solely from bone marrow. The study suggests that lymphatic vessels may play a role in fighting infection and could be important for treating certain blood cancers.
Researchers successfully transplanted human brain organoids into adult rat brains and observed functional integration, including response to visual stimulation. The study demonstrates potential for neural tissues to rebuild injured brain areas.
The ISSCR 2023 Annual Meeting will showcase the year's most compelling stem cell research and clinical breakthroughs. Attendees can participate in dedicated poster sessions and interact with presenters.
Researchers generated cochlear avatars from stem cells, recreating hair cell function and transmitting electrical signals. This breakthrough enables the investigation of sensorineural hearing loss mechanisms and potential treatments.
Leif Ludwig's analytical method allows for easier disentanglement of blood cell trajectories, enabling identification of leukemia cell development or degenerative changes. This breakthrough opens up possibility for human medicine to conduct studies in clinical practice and derive therapeutic interventions.
Researchers at Children's Hospital of Philadelphia have developed a custom-built application to automate the determination of engraftment after hematopoietic stem cell transplant. The tool has been shown to improve accuracy of reported engraftments, reducing errors in neutrophil and platelet engraftment reporting.
Researchers found a link between astrocytes from schizophrenic patients and reduced vascularization in the brain, which may contribute to the disease's metabolic flux. The study suggests that astrocytes could be a target for novel therapies to address schizophrenia.
A team of researchers from Korea and USA identified the importance of lipid homeostasis in overcoming brain cancer radioresistance. They found that regulating diacylglycerol kinase B and diacylglycerol acyltransferase 1 could potentially sensitize brain cancer cells to radiotherapy, offering a new treatment strategy.
Researchers identified 17 clusters of single cells in peripheral blood, showing upregulation of antigen processing and presentation pathways and downregulation of genes involved in ribosome pathways with age. The study also found senescent T cells resistant to apoptosis, potentially targeted for treatment.
Researchers have discovered a biological pathway that governs the life and death of stem cells, which may lead to new treatments for cancer and regenerative therapies. By manipulating cell signaling, scientists can normalize the creation of new cells, preventing excessive growth and ensuring proper tissue regeneration.
Researchers have discovered that more than 2,500 genes exhibit significant sex differences in expression in mouse alveolar type II cells, potentially explaining sex biases in lung diseases. These findings suggest that AT2 cells may play a crucial role in sex-biased differences in lung injury and repair.
Engineers create OCTOPUS device to grow organs-in-a-dish, achieving higher levels of maturity than traditional methods. The device allows for more mature organs with complex cell relationships, providing valuable tools for studying human organ development.
Ceramides accumulate in aged muscle, impairing its function and affecting functional capacity in older adults. This finding encourages researchers to develop potential pharmaceutical agents to combat sarcopenia and age-related diseases.
A new stem cell model allows researchers to study the earliest stages of sex determination in mice and humans, providing insights into Disorders of Sex Development (DSD). The model enables the creation of a 'mini testis' in a dish, which could lead to better understanding of DSD, infertility, and fertility restoration.
Researchers have successfully grown retinal cells from stem cells that can connect with neighboring cells and transmit sensory information like healthy ones. The breakthrough could lead to human clinical trials to treat degenerative eye disorders such as retinitis pigmentosa and age-related macular degeneration.
Embryonic cells use mechanical cues, known as the cell's sense of touch, to make collective decisions during tissue formation. The study reveals that cells perceive the stiffness and confinement of a 'living foam' structure, which changes its properties at the moment of differentiation.
The São Paulo School of Advanced Science on Stem Cell Biology will highlight the latest scientific advances in stem cell therapy and tissue bioengineering. Internationally renowned scientists will present state-of-the-art science and results of new research.
Researchers found no evidence of a critical mass needed to start and maintain new research fields. Instead, pioneering regions with early investment can establish dominance. However, late-comers face significant costs to catch up, as seen in China's semiconductor science, where strategic interventions over decades led to a dominant role.
Researchers from Harvard University developed an efficient method to make large numbers of C4-secreting human astrocytes from stem cells. A small group of about 20 drugs were identified that reduced C4 secretion, effective in both healthy and Schizophrenia patients' astrocytes.
Researchers discovered that MODY3 patients experience hypersecretion of insulin from β cells due to more efficient membrane depolarization. This phenomenon precedes pancreatic β cell failure and can be targeted for prevention or delay with treatments, such as diets or drugs.
Scientists have created eye tissue using patient stem cells and 3D bioprinting, providing a model for studying the genesis of age-related macular degeneration. The printed tissue exhibited patterns of early AMD, including drusen deposits and progression to late dry stage AMD.
A new gene therapy treatment has shown promising results in a clinical trial for Artemis-SCID patients, improving their immune function and reducing treatment complications. The treatment involves adding a healthy copy of the Artemis gene to the patient's own cells, resulting in improved T-cell and B-cell immunity.
Researchers have identified a Vegf-Notch signaling system that enables Muller glial cells to regenerate retinal neurons in zebrafish. This discovery may help understand why the human retina does not regenerate and could inform treatments for blindness.
A study published in Aging-US reveals changes in gene expression associated with age-related muscle loss and frailty. Researchers identified unique cellular subpopulations in aged and sarcopenic skeletal muscle, which may facilitate the development of new treatments for age-related frailty.
Researchers at UNSW Sydney have successfully induced a gastrulation-like event in human pluripotent stem cells, mimicking the early stages of embryonic development. This breakthrough could lead to new approaches for studying human development and creating personalized body tissue or organs using hydrogel materials.
The Cleveland Clinic is developing a stem cell treatment for complex regional pain syndrome, a debilitating disease that causes chronic pain, using human mesenchymal stem cells (hMSC). The research has long-term potential for providing patients an alternative to addictive opioid treatments.
Researchers discovered the underlying cause of deafness caused by swelling in the inner ear chambers. The study identified two master genes, SOX9 and SOX10, controlling hearing function and providing a new resource for diagnosis and treatment of deafness and balance problems.
A new report by The Hastings Center recommends clearer ethics guidelines and enhanced oversight for human-animal chimera research, which raises questions about animal welfare and moral status. The report also highlights the potential benefits of this research, including better disease models and organ transplantation.
Researchers at the Max Delbrück Center have successfully generated primordial germ cells from stem cells, a world's first for a large mammalian species. This milestone aims to save the northern white rhino subspecies from extinction through lab-grown egg and sperm cells.
Researchers found that activating the non-mutated form of P53 can change the fundamental makeup of cancer stem cells in mouse models of mucoepidermoid carcinoma. This new therapy approach shows promise for treating this lethal form of salivary gland cancer.
A study suggests that visceral fat cells, rather than subcutaneous fat cells, are more susceptible to infection by the COVID-19 virus. This increased susceptibility leads to a higher viral load and production of pro-inflammatory cytokines, which can exacerbate severe disease.
A study published in Nature reveals that cancer stem cells' miscommunication with their environment can trigger a self-perpetuating series of events leading to malignancy. Leptin signaling plays a surprising role in this process, which could be blocked to prevent tumor progression.
A new bioreactor system developed by KAUST scientists delivers gases to maintain physiological environments, reducing unpredictable shifts in cell growth. The system allows for more accurate and reproducible experiments in biomedical research.
Scientists at Texas A&M University found that transplanting intestinal epithelial stem cells can repair the gut and reduce inflammation, potentially preserving cognitive function after a stroke. The study suggests that targeting gut health may be key to developing more effective stroke therapies.
Researchers have developed mini eyes, or organoids, from stem cells donated by patients with Usher syndrome. These mini eyes allow scientists to study light-sensing cells and understand the development of blindness in the disease.
Albert Almada's laboratory will explore the role of Nicotinamide Adenine Dinucleotide (NAD+) in muscle repair and regeneration. Lower levels of NAD+ may be inactivating stem cell repair, and re-activating it could promote better muscle healing in older animals.
Researchers found that MK256 induced differentiation and maturation in leukemia stem cells, inhibiting proliferation of AML cell lines. The study also showed dose-dependent inhibition of the STAT pathway in both in vitro and in vivo studies.
Researchers from the University of Zurich have discovered why a stem cell transplant is effective in treating multiple sclerosis. The study found that memory T cells reappear immediately after the transplant and do not trigger an autoimmune reaction due to pre-damage caused by chemotherapy. This knowledge enables the body to gradually ...
Researchers used monoclonal antibodies to suppress the immune system in mice, tracking human neural stem cell survival using luciferase. The study reveals that monoclonal antibody-mediated immunosuppression enabled long-term survival of transplanted human neural stem cells in mouse brains for at least six to eight months.