Mitochondrial dynamics, a new therapeutic target for Triple Negative Breast Cancer. 2021

K Weiner-Gorzel, and M Murphy
Conway Institute, UCD School of Medicine, University College Dublin, Belfield, Dublin, Ireland; Department of General Medicine, St. Vincent University Hospital, Elm Park, Dublin, Ireland. Electronic address: kwgorzel@gmail.com.

Triple Negative Breast Cancer (TNBC) is an aggressive tumour with patients survival rarely exceeding five years. TNBC tumours are larger in size, more chemoresistant, highly proliferative and usually more enriched in stem and immune cells comparing to other breast cancer subtypes. Functionally, these changes are dependent on a high-quality mitochondrial pool. Mitochondrial health is constantly assessed and appropriately improved by mitochondrial dynamics (cycles of mitochondrial fusion and division). Recent advances in understanding of mitochondrial dynamics in TNBC has demonstrated its critical importance in tumour growth and metastasis. This review explores current knowledge of mitochondrial dynamics in TNBC and discusses targeting this pathway clinically to improve outcomes for patients.

UI MeSH Term Description Entries
D008928 Mitochondria Semiautonomous, self-reproducing organelles that occur in the cytoplasm of all cells of most, but not all, eukaryotes. Each mitochondrion is surrounded by a double limiting membrane. The inner membrane is highly invaginated, and its projections are called cristae. Mitochondria are the sites of the reactions of oxidative phosphorylation, which result in the formation of ATP. They contain distinctive RIBOSOMES, transfer RNAs (RNA, TRANSFER); AMINO ACYL T RNA SYNTHETASES; and elongation and termination factors. Mitochondria depend upon genes within the nucleus of the cells in which they reside for many essential messenger RNAs (RNA, MESSENGER). Mitochondria are believed to have arisen from aerobic bacteria that established a symbiotic relationship with primitive protoeukaryotes. (King & Stansfield, A Dictionary of Genetics, 4th ed) Mitochondrial Contraction,Mitochondrion,Contraction, Mitochondrial,Contractions, Mitochondrial,Mitochondrial Contractions
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D014408 Biomarkers, Tumor Molecular products metabolized and secreted by neoplastic tissue and characterized biochemically in cells or BODY FLUIDS. They are indicators of tumor stage and grade as well as useful for monitoring responses to treatment and predicting recurrence. Many chemical groups are represented including HORMONES; ANTIGENS; amino and NUCLEIC ACIDS; ENZYMES; POLYAMINES; and specific CELL MEMBRANE PROTEINS and LIPIDS. Biochemical Tumor Marker,Cancer Biomarker,Carcinogen Markers,Markers, Tumor,Metabolite Markers, Neoplasm,Tumor Biomarker,Tumor Marker,Tumor Markers, Biochemical,Tumor Markers, Biological,Biochemical Tumor Markers,Biological Tumor Marker,Biological Tumor Markers,Biomarkers, Cancer,Marker, Biochemical Tumor,Marker, Biologic Tumor,Marker, Biological Tumor,Marker, Neoplasm Metabolite,Marker, Tumor Metabolite,Markers, Biochemical Tumor,Markers, Biological Tumor,Markers, Neoplasm Metabolite,Markers, Tumor Metabolite,Metabolite Markers, Tumor,Neoplasm Metabolite Markers,Tumor Markers, Biologic,Tumor Metabolite Marker,Biologic Tumor Marker,Biologic Tumor Markers,Biomarker, Cancer,Biomarker, Tumor,Cancer Biomarkers,Marker, Tumor,Markers, Biologic Tumor,Markers, Carcinogen,Metabolite Marker, Neoplasm,Metabolite Marker, Tumor,Neoplasm Metabolite Marker,Tumor Biomarkers,Tumor Marker, Biochemical,Tumor Marker, Biologic,Tumor Marker, Biological,Tumor Markers,Tumor Metabolite Markers
D014411 Neoplastic Stem Cells Highly proliferative, self-renewing, and colony-forming stem cells which give rise to NEOPLASMS. Cancer Stem Cells,Colony-Forming Units, Neoplastic,Stem Cells, Neoplastic,Tumor Stem Cells,Neoplastic Colony-Forming Units,Tumor Initiating Cells,Cancer Stem Cell,Cell, Cancer Stem,Cell, Neoplastic Stem,Cell, Tumor Initiating,Cell, Tumor Stem,Cells, Cancer Stem,Cells, Neoplastic Stem,Cells, Tumor Initiating,Cells, Tumor Stem,Colony Forming Units, Neoplastic,Colony-Forming Unit, Neoplastic,Initiating Cell, Tumor,Initiating Cells, Tumor,Neoplastic Colony Forming Units,Neoplastic Colony-Forming Unit,Neoplastic Stem Cell,Stem Cell, Cancer,Stem Cell, Neoplastic,Stem Cell, Tumor,Stem Cells, Cancer,Stem Cells, Tumor,Tumor Initiating Cell,Tumor Stem Cell,Unit, Neoplastic Colony-Forming,Units, Neoplastic Colony-Forming
D015972 Gene Expression Regulation, Neoplastic Any of the processes by which nuclear, cytoplasmic, or intercellular factors influence the differential control of gene action in neoplastic tissue. Neoplastic Gene Expression Regulation,Regulation of Gene Expression, Neoplastic,Regulation, Gene Expression, Neoplastic
D016019 Survival Analysis A class of statistical procedures for estimating the survival function (function of time, starting with a population 100% well at a given time and providing the percentage of the population still well at later times). The survival analysis is then used for making inferences about the effects of treatments, prognostic factors, exposures, and other covariates on the function. Analysis, Survival,Analyses, Survival,Survival Analyses
D063154 Mitochondrial Dynamics The continuous remodeling of MITOCHONDRIA shape by fission and fusion in response to physiological conditions. Mitochondrial Fission,Mitochondrial Fission and Fusion,Mitochondrial Fusion,Mitochondrial Fusion and Fission,Dynamic, Mitochondrial,Dynamics, Mitochondrial,Fission, Mitochondrial,Fissions, Mitochondrial,Fusion, Mitochondrial,Fusions, Mitochondrial,Mitochondrial Dynamic,Mitochondrial Fissions,Mitochondrial Fusions
D064726 Triple Negative Breast Neoplasms Breast neoplasms that do not express ESTROGEN RECEPTORS; PROGESTERONE RECEPTORS; and do not overexpress the NEU RECEPTOR/HER-2 PROTO-ONCOGENE PROTEIN. ER-Negative PR-Negative HER2-Negative Breast Cancer,ER-Negative PR-Negative HER2-Negative Breast Neoplasms,Triple Negative Breast Cancer,Triple-Negative Breast Cancer,Triple-Negative Breast Neoplasm,Breast Cancer, Triple-Negative,Breast Cancers, Triple-Negative,Breast Neoplasm, Triple-Negative,Breast Neoplasms, Triple-Negative,ER Negative PR Negative HER2 Negative Breast Cancer,ER Negative PR Negative HER2 Negative Breast Neoplasms,Triple Negative Breast Neoplasm,Triple-Negative Breast Cancers,Triple-Negative Breast Neoplasms

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