microglia

The National Stem Cell Foundation announced the start of a pioneering project to investigate the impact of microgravity on the neurodegeneration associated with primary progressive multiple sclerosis and Parkinson's disease. The project, a collaboration between the New York Stem Cell Foundation Research Institute, the Summit for Stem Cell, and investigators with Aspen Neuroscience, will send 3-D brain organoids derived from patients with these disorders, for a first time, to the International Space Station on SpaceX CRS-18. This flight, set to launch on July 21 from the Kennedy Space Center in Cape Canaveral, Florida, is a test run for a 30-day study of neurodegeneration in microgravity set to take place on the space station this fall. "The National Stem Cell Foundation is delighted to be funding innovative science at the frontier of new drug and cell therapy discovery. The leading-edge research findings that have developed through this collaboration between important research groups may fundamentally alter our understanding of how and why neurodegeneration occurs," Paula Grisanti, chief executive officer of the NSCF, said in a press release. These organoids, or 3-D cellular brain models, contain microglia — cells that normally support and protect neurons. Microglia are implicated in the brain inflammation and disease progression seen in people with Parkinson's, PPMS, and other neurodegenerative disorders. The project will allow scientists in the near absence of gravity to study how these cells interact with each other, migrate, send and receive chemical signals, change their genetic signature, and promote brain inflammation. As such, investigators may get a glimpse of all the biological mechanisms involved in PPMS and Parkinson's in ways not feasible on Earth. This work might lead to understandings and advancements with a direct impact on the development of medicines and cell therapies for neurodegenerative diseases. Space Tango is leading the transport and maintenance logistics, to ensure the cells arrive at the ISS in the best possible condition and remain viable during the 30 days they will remain in orbit. To that end, the company has developed a series of automated systems intended to surpass conventional lab techniques, and allow space station researchers to work with a higher number of samples than typical, and use high-throughput techniques to easily analyze them. According to the company, these automated systems are not intended exclusively for research on the ISS, but may also be used by research facilities worldwide to support and accelerate scientific innovation. "The vision the National Stem Cell Foundation brings to using new approaches to science and creating collaborations between leading experts in Parkinson’s disease and multiple sclerosis from across the country is truly unique," said Jana Stoudemire, commercial innovation officer at Space Tango. "In addition to supporting the development of tissue chip platforms for microgravity, Space Tango is excited to expand capabilities for human 3-D brain organoid models that will assist in studying some of the most challenging diseases we have yet to truly understand," Stoudemire added. "We are very pleased to support this important research on the ISS."

A new radiotracer called [F-18]PBR06, used in positron emission tomography (PET) imaging, helps detect changes in the brain’s grey matter that are linked to progressive forms of multiple sclerosis (MS), a study shows. The findings support [F-18]PBR06’s potential for detecting signs of disease progression even before patients show…

A protein leads to nerve fiber and myelin damage, particularly in progressive forms of multiple sclerosis, by activating brain immune cells called microglia, according to a new study. Its researchers also noted this protein is the target of experimental MS treatment called temelimab (GNbAC1), which showed potential in Phase 2 clinical trials. The…

In mapping the immune system of the brain in mice and humans, scientists in Germany found that microglia — a type of nerve cell located in the central nervous system and responsible for supporting and protecting neurons — share the same core design, but behave differently depending on the specific function each…

A protein marker for activated immune cells called Chi3I3 is key for the production of myelin-forming cells, and may become a target to boost myelin repair in multiple sclerosis (MS), according to a new study. The research, “Chi3l3 induces oligodendrogenesis in an experimental model of autoimmune…

Blood infection with the yeast Candida albicans, a type of fungus, can reach the brain and trigger an immune response, a new mouse study shows. Although the fungus can be cleared within 10 days, it affects the spatial memory of mice. These findings are the first evidence that a blood infection with a…

Microglia, the resident immune cells of the brain, were seen to change throughout the lifespan of mice in a study — and to be diverse, with distinct cell subtypes. Those with pro-inflammatory behavior may be disease-causing, as they were found to accumulate in the brains of a mouse model of…

Gender differences are evident in immune system cells of the brain called microglia, a study in male and female mice reports, suggesting these cells’ sex-specific features may be important to treating people with  multiple sclerosis (MS) and other neurological diseases. The study “…

Activation of the immune response mediated by cells called microglia favors remyelination and myelin repair in multiple sclerosis (MS), according to a new Canadian study using mice. The research, “mCSF-Induced Microglial Activation Prevents Myelin Loss and Promotes Its Repair in a Mouse Model of Multiple Sclerosis,” was…

A common anti-parasitic agent showed a potential to prevent inflammation and to promote nerve cell recovery — remyelination — in a mouse model of multiple sclerosis (MS). By promoting the activity of a receptor called P2X4R that is present in microglial cells — immune cells that reside in the brain…

Metabolites produced by microbes in the gut can ease inflammation in the central nervous system by limiting the damage done by microglia, an immune cell of the brain, an early study reports. Its scientists suggest this gut-brain axis may open new avenues to treatment. “These findings provide a clear understanding of how…

United Arab Emirates scientists have found active Epstein-Barr virus in many multiple sclerosis patients’ brain cells, supporting the notion that it plays a role in the disease. The team found it in two types of brain cells — astrocytes and microglia. The virus can be active or lie dormant in…

Inhibiting a protein found at high levels in immune cells located in the brain can rejuvenate myelin, the protective coating around nerve cells, according to a multiple sclerosis study in mice. Blocking the protein, known as the colony-stimulating factor 1 receptor, or CSF1R, can also prevent the immune cells from…

Researchers from the New York Stem Cell Foundation (NYSCF) have developed a method to produce brain immune cells, called microglia, from human stem cells. That can help scientists uncover biological mechanisms involved in multiple sclerosis (MS) and other neurological conditions. “NYSCF’s mission is to bring cures to patients faster,” Susan L.

In what may be one of the most significant discoveries in neurodegenerative disease, researchers have found that brain cells, called astrocytes, contribute to killing neurons and myelin-forming oligodendrocyte cells, which may drive neurodegenerative diseases such as multiple sclerosis (MS). Experiments indicate an aggressive astrocyte type kills cells by secreting a yet-unidentified…

The brain has a system for orchestrating a defense against viral infections, scientists report in a finding that may advance the understanding of disease processes in multiple sclerosis (MS). The newly discovered system is run by brain immune cells called microglia, and researchers will now focus on understanding how these…

A cell therapy product derived from human umbilical cord blood cells may be a promising treatment approach for patients with demyelinating diseases, such as multiple sclerosis (MS) or leukodystrophy, according to a recent study developed at the Duke University Medical Center. The study, “A cord blood monocyte–derived cell…

Microglial cells in the hippocampus, a brain region crucial for memory processing, may contribute to brain damage associated with cognitive impairment in multiple sclerosis (MS). The finding, published in the journal Scientific Reports, implies that targeting microglia could be a promising strategy to improve cognition in MS. While cognitive…

Researchers identified a new mechanism in the progression of multiple sclerosis (MS) that might explain the cognitive impairment and decline observed in these patients — a decline not directly associated with disease’s hallmarks of motor control loss, and one not currently addressed by the immunosuppressive drugs used to treat MS. The study, published…

In a new article published in the journal Trends in Biotechnology, Korean researchers suggest that diseases of the central nervous system (CNS) might be better studied using compact, accessible chip technology than in current methods. The report, titled “Central Nervous System and its Disease…

Researchers from the Gladstone Institutes have shown in a new study that fibrinogen, an important blood coagulation protein, can induce an autoimmune response in the central nervous system when the blood-brain barrier (BBB) is disrupted and blood proteins enter the brain. The study, entitled “Blood coagulation protein fibrinogen promotes…