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Alliance"],"accepted":{"date-parts":[[2024,12,20]]},"published-print":{"date-parts":[[2025,3]]},"abstract":"<jats:p>\n                    Breast cancer stem cells (CSCs) are difficult to therapeutically target, but continued efforts are critical given their contribution to tumor heterogeneity and treatment resistance in triple-negative breast cancer. CSC properties are influenced by metabolic stress, but specific mechanisms are lacking for effective drug intervention. Our previous work on TFEB suggested a key function in CSC metabolism. Indeed, TFEB knockdown (KD) inhibited mammosphere formation in vitro and tumor initiation\/growth in vivo. These phenotypic effects were accompanied by a decline in CD44\n                    <jats:sup>high<\/jats:sup>\n                    \/CD24\n                    <jats:sup>low<\/jats:sup>\n                    cells. Glycolysis inhibitor 2-deoxy-D-glucose (2-DG) induced TFEB nuclear translocation, indicative of TFEB transcriptional activity. TFEB KD blunted, whereas TFEB (S142A) augmented 2-DG\u2013driven unfolded protein response (UPR) mediators, notably BiP\/HSPA5 and CHOP. Like TFEB KD, silencing BiP\/HSPA5 inhibited CSC self-renewal, suggesting that TFEB augments UPR-related survival. Further studies showed that TFEB KD attenuated 2-DG\u2013directed autophagy, suggesting a mechanism whereby TFEB protects CSCs against 2-DG\u2013induced stress. Our data indicate that TFEB modulates CSC metabolic stress response via autophagy and UPR. These findings reveal the novel role of TFEB in regulating CSCs during metabolic stress in triple-negative breast cancer.\n                  <\/jats:p>","DOI":"10.26508\/lsa.202302259","type":"journal-article","created":{"date-parts":[[2025,1,15]],"date-time":"2025-01-15T14:31:03Z","timestamp":1736951463000},"page":"e202302259","update-policy":"https:\/\/doi.org\/10.26508\/lsa.crossmarkpolicy","source":"Crossref","is-referenced-by-count":3,"title":["Transcription factor EB (TFEB) activity increases resistance of TNBC stem cells to metabolic stress"],"prefix":"10.26508","volume":"8","author":[{"given":"Milad","family":"Soleimani","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/00hj54h04","id-type":"ROR","asserted-by":"publisher"}],"name":"Interdisciplinary Life Sciences Graduate Programs, The University of Texas at Austin","place":[", Austin, TX, USA"]},{"id":[{"id":"https:\/\/ror.org\/00hj54h04","id-type":"ROR","asserted-by":"publisher"}],"name":"Livestrong Cancer 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