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Furthermore, BI-1-deficient mice show reduced basal autophagy, and experimentally reducing BI-1 expression impairs tumor xenograft growth in vivo. BI-1's ability to promote autophagy could be dissociated from its known function as a modulator of IRE1 signaling in the context of ER stress. The results reveal BI-1 as a novel autophagy regulator that bridges Ca<jats:sup>2+</jats:sup> signaling between ER and mitochondria, reducing cellular oxygen consumption and contributing to cellular resilience in the face of metabolic stress.</jats:p>","journal":"Genes &amp; Development","year":2012,"id":651570,"datarank":0.6698862177981877,"base_score":4.465908118654584,"endowment":4.465908118654584,"self_citation_contribution":0.6698862177981877,"citation_network_contribution":0.0,"self_endowment_contribution":0.6698862177981877,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":86,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":null,"is_data_producer":false,"deposit_databanks":null,"is_oa":false,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":null,"fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":1699360,"name":"Ying-Chen Claire Hou","orcid":null,"position":1,"is_corresponding":false},{"id":1182539,"name":"Michael Hedvat","orcid":"0009-0009-1875-6619","position":2,"is_corresponding":false},{"id":289264,"name":"Ricardo G. 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By reducing steady-state levels of ER Ca<jats:sup>2+</jats:sup> via IP<jats:sub>3</jats:sub>Rs, BI-1 influences mitochondrial bioenergetics, reducing oxygen consumption, impacting cellular ATP levels, and stimulating autophagy. Furthermore, BI-1-deficient mice show reduced basal autophagy, and experimentally reducing BI-1 expression impairs tumor xenograft growth in vivo. BI-1's ability to promote autophagy could be dissociated from its known function as a modulator of IRE1 signaling in the context of ER stress. 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