NRG1 and ErbB4 play critical roles in neural development, synaptic plasticity, and schizophrenia. NRG1 is a growth factor that signals through ErbB receptors, influencing neural development, neurotransmission, and synaptic plasticity. Variants in NRG1 and its receptor ErbB4 have been linked to schizophrenia, suggesting a genetic basis for the disorder. NRG1 signaling is involved in various processes, including glial cell development, axon myelination, and synaptic formation. It also regulates neurotransmission and synaptic plasticity, with implications for cognitive and behavioral functions. NRG1 and ErbB4 are expressed in multiple brain regions and are involved in both excitatory and inhibitory synaptic transmission. Mutations in NRG1 and ERBB4 have been associated with schizophrenia, and studies in mice have shown that hypomorphic or knockout models exhibit schizophrenia-like behaviors. The NRG1-ErbB4 signaling pathway is implicated in the pathogenesis of schizophrenia, with potential mechanisms involving altered neurotransmission and synaptic plasticity. Further research is needed to fully understand the role of NRG1 and ErbB4 in schizophrenia and to develop effective therapeutic strategies.NRG1 and ErbB4 play critical roles in neural development, synaptic plasticity, and schizophrenia. NRG1 is a growth factor that signals through ErbB receptors, influencing neural development, neurotransmission, and synaptic plasticity. Variants in NRG1 and its receptor ErbB4 have been linked to schizophrenia, suggesting a genetic basis for the disorder. NRG1 signaling is involved in various processes, including glial cell development, axon myelination, and synaptic formation. It also regulates neurotransmission and synaptic plasticity, with implications for cognitive and behavioral functions. NRG1 and ErbB4 are expressed in multiple brain regions and are involved in both excitatory and inhibitory synaptic transmission. Mutations in NRG1 and ERBB4 have been associated with schizophrenia, and studies in mice have shown that hypomorphic or knockout models exhibit schizophrenia-like behaviors. The NRG1-ErbB4 signaling pathway is implicated in the pathogenesis of schizophrenia, with potential mechanisms involving altered neurotransmission and synaptic plasticity. Further research is needed to fully understand the role of NRG1 and ErbB4 in schizophrenia and to develop effective therapeutic strategies.