Francesca rapino, Researcher

Loss of synapses and the death of neurons, leading to neurodegenerative and psychiatric diseases can be caused by inflammation and overactivation of the immune system in the brain.In Schizophrenia, increased levels of the immune protein C4 have been measured in patients' brains and increasing C4 levels due to variations in copy number are associated with an increased risk of developing Schizophrenia.Therapies lowering C4 levels in the brain and reducing inflammation may benefit Schizophrenia patients but are currently not available.Brain cells called astrocytes regulate the immune response and inflammatory environment in the brain by secreting immune proteins such as C4. Consequently, astrocytes are a primary target for C4-lowering therapies.To identify effective drugs, Francesca Rapino, Lee Rubin, and colleagues from Harvard University, USA has developed an efficient method to make large numbers of C4-secreting human astrocytes from stem cells.In a paper recently published in Stem Cell Reports, the researchers followed up with a screen of 464 drugs and identified a small group of about 20 that reduced C4 secretion from astrocytes. These drugs were effective both in healthy astrocytes and in astrocytes made from Schizophrenia patients' stem cells.This research opens up new avenues for studying inflammatory responses and their regulation in human astrocytes and serves as a platform to identify therapeutic drugs in large-scale screening approaches.( With inputs from ANI )Disclaimer: This post has been auto-published from an agency feed without any modifications to the text and has not been reviewed by an editor

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Technology :Study: New schizophrenia drugs can be identified using stem cells

Loss of synapses and the death of neurons, leading to neurodegenerative and psychiatric diseases can be caused by inflammation ... ...