2020
DOI: 10.3892/or.2020.7841
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S100A8 promotes chemoresistance via augmenting autophagy in B‑cell lymphoma cells

Abstract: B-cell lymphomas (BCLs) are malignant lymphoid tumours originating from the malignant proliferation and transformation of mature lymphocytes at various stages of differentiation and clonal expansion of the lymphatic and circulatory systems. Efforts to control or even eradicate BCLs are frequently hampered by the development of drug resistance. Autophagy is an evolutionarily conserved biological process of the energy metabolism. By degrading intracellular organelles and proteins, autophagy provides cells with b… Show more

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Cited by 8 publications
(3 citation statements)
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“…The levels of S100A8/A9 in saliva can help differentiate the subgroups of Sjögren’s syndrome with lymphoma risk ( 44 ). A recent report found that S100A8 could promote chemoresistance to adriamycin and vincristine by enhancing autophagy in B-cell lymphoma cells ( 45 ).…”
Section: Discussionmentioning
confidence: 99%
“…The levels of S100A8/A9 in saliva can help differentiate the subgroups of Sjögren’s syndrome with lymphoma risk ( 44 ). A recent report found that S100A8 could promote chemoresistance to adriamycin and vincristine by enhancing autophagy in B-cell lymphoma cells ( 45 ).…”
Section: Discussionmentioning
confidence: 99%
“…S100- A8 and A9 are expressed constitutively in the cytoplasm of myeloid cells, including myeloid precursors, but are absent from lymphocytes ( 301 ). Increased activity of multiple S100 family members is associated with increased drug resistance in hematologic malignancies including AML, CML, ALL, and B-cell lymphomas ( 302 , 303 ). For example, S100-A8/A9 contribute to gilteritinib resistance in FLT3- internal tandem duplications- (FLT3-ITD)-positive AML primary cells and cell lines ( 304 ).…”
Section: Calcium Signaling Deregulation In Blood Cancermentioning
confidence: 99%
“…They reported that S100A8 increased drug resistance through the stimulation of BECN1-PI3KC3 and BECN1-BCL-2 complex formation, prompting early mitophagic signaling. In addition, S100A8 enhanced BNIP3 expression, boosting mitophagic signaling activation [ 223 ]. BNIP3 is a 19 kDa BH3-only protein located at the mitochondria-ER interface; specifically, it is anchored to the OMM through the C-terminal domain, while its N-terminal domain points to the cytoplasm.…”
Section: Role Of Proteins That Regulate Mitochondrial Ca 2+ Homeostasis In Cancer Chemoresistance and Death Resistancementioning
confidence: 99%