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Spella M, Bochalis E, Athanasopoulou K, Chroni A, Dereki I, Ntaliarda G, Makariti I, Psarias G, Constantinou C, Chondrou V, Sgourou A. "Crosstalk between non-coding RNAs and transcription factor LRF in non-small cell lung cancer". Noncoding RNA Res 2024; 9:759-771. [PMID: 38577020 PMCID: PMC10990748 DOI: 10.1016/j.ncrna.2024.03.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 02/23/2024] [Accepted: 03/20/2024] [Indexed: 04/06/2024] Open
Abstract
Epigenetic approaches in direct correlation with assessment of critical genetic mutations in non-small cell lung cancer (NSCLC) are currently very intensive, as the epigenetic components underlying NSCLC development and progression have attained high recognition. In this level of research, established human NSCLC cell lines as well as experimental animals are widely used to detect novel biomarkers and pharmacological targets to treat NSCLC. The epigenetic background holds a great potential for the identification of epi-biomarkers for treatment response however, it is highly complex and requires precise definition as these phenomena are variable between NSCLC subtypes and systems origin. We engaged an in-depth characterization of non-coding (nc)RNAs prevalent in human KRAS-mutant NSCLC cell lines A549 and H460 and mouse KRAS-mutant NSCLC tissue by Next Generation Sequencing (NGS) and quantitative Real Time PCRs (qPCRs). Also, the transcription factor (TF) LRF, a known epigenetic silencer, was examined as a modulator of non-coding RNAs expression. Finally, interacting networks underlying epigenetic variations in NSCLC subtypes were created. Data derived from our study highlights the divergent epigenetic profiles of NSCLC of human and mouse origin, as well as the significant contribution of 12qf1: 109,709,060-109,747,960 mouse chromosomal region to micro-RNA upregulated species. Furthermore, the novel epigenetic miR-148b-3p/lncPVT1/ZBTB7A axis was identified, which differentiates human cell line of lung adenocarcinoma from large cell lung carcinoma, two characteristic NSCLC subtypes. The detailed recording of epigenetic events in NSCLC and combinational studies including networking between ncRNAs and TFs validate the identification of significant epigenetic features, prevailing in NSCLC subtypes and among experimental models. Our results enrich knowledge in the field and empower research on the epigenetic prognostic biomarkers of the disease progression, NSCLC subtypes discrimination and advancement to patient-tailored treatments.
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Affiliation(s)
- Magda Spella
- Biology Laboratory, School of Science and Technology, Hellenic Open University, 26335 Patras, Greece
- Department of Physiology, Faculty of Medicine, University of Patras, Rio, 26504, Greece
| | - Eleftherios Bochalis
- Biology Laboratory, School of Science and Technology, Hellenic Open University, 26335 Patras, Greece
| | - Katerina Athanasopoulou
- Biology Laboratory, School of Science and Technology, Hellenic Open University, 26335 Patras, Greece
| | - Argyri Chroni
- Biology Laboratory, School of Science and Technology, Hellenic Open University, 26335 Patras, Greece
| | - Irene Dereki
- Biology Laboratory, School of Science and Technology, Hellenic Open University, 26335 Patras, Greece
| | - Giannoula Ntaliarda
- Department of Physiology, Faculty of Medicine, University of Patras, Rio, 26504, Greece
| | - Ifigeneia Makariti
- Biology Laboratory, School of Science and Technology, Hellenic Open University, 26335 Patras, Greece
| | - Georgios Psarias
- Biology Laboratory, School of Science and Technology, Hellenic Open University, 26335 Patras, Greece
| | - Caterina Constantinou
- Biology Laboratory, School of Science and Technology, Hellenic Open University, 26335 Patras, Greece
| | - Vasiliki Chondrou
- Biology Laboratory, School of Science and Technology, Hellenic Open University, 26335 Patras, Greece
| | - Argyro Sgourou
- Biology Laboratory, School of Science and Technology, Hellenic Open University, 26335 Patras, Greece
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Zhang X, Xia F, Zhang X, Blumenthal RM, Cheng X. C2H2 Zinc Finger Transcription Factors Associated with Hemoglobinopathies. J Mol Biol 2024; 436:168343. [PMID: 37924864 DOI: 10.1016/j.jmb.2023.168343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 10/23/2023] [Accepted: 10/30/2023] [Indexed: 11/06/2023]
Abstract
In humans, specific aberrations in β-globin results in sickle cell disease and β-thalassemia, symptoms of which can be ameliorated by increased expression of fetal globin (HbF). Two recent CRISPR-Cas9 screens, centered on ∼1500 annotated sequence-specific DNA binding proteins and performed in a human erythroid cell line that expresses adult hemoglobin, uncovered four groups of candidate regulators of HbF gene expression. They are (1) members of the nucleosome remodeling and deacetylase (NuRD) complex proteins that are already known for HbF control; (2) seven C2H2 zinc finger (ZF) proteins, including some (ZBTB7A and BCL11A) already known for directly silencing the fetal γ-globin genes in adult human erythroid cells; (3) a few other transcription factors of different structural classes that might indirectly influence HbF gene expression; and (4) DNA methyltransferase 1 (DNMT1) that maintains the DNA methylation marks that attract the MBD2-associated NuRD complex to DNA as well as associated histone H3 lysine 9 methylation. Here we briefly discuss the effects of these regulators, particularly C2H2 ZFs, in inducing HbF expression for treating β-hemoglobin disorders, together with recent advances in developing safe and effective small-molecule therapeutics for the regulation of this well-conserved hemoglobin switch.
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Affiliation(s)
- Xing Zhang
- Department of Epigenetics and Molecular Carcinogenesis, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
| | - Fangfang Xia
- Department of Epigenetics and Molecular Carcinogenesis, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Xiaotian Zhang
- Department of Biochemistry and Molecular Biology, The University of Texas Health Science Center Houston, McGovern Medical School, Houston, TX 77030, USA
| | - Robert M Blumenthal
- Department of Medical Microbiology and Immunology, and Program in Bioinformatics, The University of Toledo College of Medicine and Life Sciences, Toledo, OH 43614, USA
| | - Xiaodong Cheng
- Department of Epigenetics and Molecular Carcinogenesis, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
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Friedrich J, Bailey RI, Talenti A, Chaudhry U, Ali Q, Obishakin EF, Ezeasor C, Powell J, Hanotte O, Tijjani A, Marshall K, Prendergast J, Wiener P. Mapping restricted introgression across the genomes of admixed indigenous African cattle breeds. Genet Sel Evol 2023; 55:91. [PMID: 38097935 PMCID: PMC10722721 DOI: 10.1186/s12711-023-00861-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Accepted: 11/24/2023] [Indexed: 12/17/2023] Open
Abstract
BACKGROUND The genomes of indigenous African cattle are composed of components with Middle Eastern (taurine) and South Asian (indicine) origins, providing a valuable model to study hybridization and to identify genetic barriers to gene flow. In this study, we analysed indigenous African cattle breeds as models of hybrid zones, considering taurine and indicine samples as ancestors. In a genomic cline analysis of whole-genome sequence data, we considered over 8 million variants from 144 animals, which allows for fine-mapping of potential genomic incompatibilities at high resolution across the genome. RESULTS We identified several thousand variants that had significantly steep clines ('SCV') across the whole genome, indicating restricted introgression. Some of the SCV were clustered into extended regions, with the longest on chromosome 7, spanning 725 kb and including 27 genes. We found that variants with a high phenotypic impact (e.g. indels, intra-genic and missense variants) likely represent greater genetic barriers to gene flow. Furthermore, our findings provide evidence that a large proportion of breed differentiation in African cattle could be linked to genomic incompatibilities and reproductive isolation. Functional evaluation of genes with SCV suggest that mitonuclear incompatibilities and genes associated with fitness (e.g. resistance to paratuberculosis) could account for restricted gene flow in indigenous African cattle. CONCLUSIONS To our knowledge, this is the first time genomic cline analysis has been applied to identify restricted introgression in the genomes of indigenous African cattle and the results provide extended insights into mechanisms (e.g. genomic incompatibilities) contributing to hybrid differentiation. These results have important implications for our understanding of genetic incompatibilities and reproductive isolation and provide important insights into the impact of cross-breeding cattle with the aim of producing offspring that are both hardy and productive.
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Affiliation(s)
- Juliane Friedrich
- Division of Genetics and Genomics, The Roslin Institute and Royal (Dick), School of Veterinary Studies, University of Edinburgh, Midlothian, UK.
| | - Richard I Bailey
- Department of Ecology and Vertebrate Zoology, University of Łódź, Łódź, Poland
| | - Andrea Talenti
- Division of Genetics and Genomics, The Roslin Institute and Royal (Dick), School of Veterinary Studies, University of Edinburgh, Midlothian, UK
| | - Umer Chaudhry
- School of Veterinary Medicine, St. George's University, St. George's, Caribbean, Grenada
| | - Qasim Ali
- Department of Parasitology, The University of Agriculture Dera Ismail Khan, Khyber Pakhtunkhwa, Pakistan
| | - Emmanuel F Obishakin
- Biotechnology Division, National Veterinary Research Institute, Vom, Plateau State, Nigeria
| | - Chukwunonso Ezeasor
- Department of Veterinary Pathology and Microbiology, University of Nigeria, Nsukka, Enugu State, Nigeria
| | - Jessica Powell
- Division of Infection and Immunity, The Roslin Institute and Royal (Dick), School of Veterinary Studies, University of Edinburgh, Midlothian, UK
| | - Olivier Hanotte
- International Livestock Research Institute (ILRI), Addis Ababa, Ethiopia
- School of Life Sciences, University of Nottingham, Nottingham, UK
- Centre for Tropical Livestock Genetics and Health (CTLGH), The Roslin Institute, University of Edinburgh, Midlothian, UK
| | | | - Karen Marshall
- Centre for Tropical Livestock Genetics and Health (CTLGH), ILRI Kenya, Nairobi, Kenya
| | - James Prendergast
- Division of Genetics and Genomics, The Roslin Institute and Royal (Dick), School of Veterinary Studies, University of Edinburgh, Midlothian, UK
| | - Pamela Wiener
- Division of Genetics and Genomics, The Roslin Institute and Royal (Dick), School of Veterinary Studies, University of Edinburgh, Midlothian, UK.
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Dong W, Liu Y, Wang P, Ruan X, Liu L, Xue Y, Ma T, E T, Wang D, Yang C, Lin H, Song J, Liu X. U3 snoRNA-mediated degradation of ZBTB7A regulates aerobic glycolysis in isocitrate dehydrogenase 1 wild-type glioblastoma cells. CNS Neurosci Ther 2023; 29:2811-2825. [PMID: 37066523 PMCID: PMC10493654 DOI: 10.1111/cns.14218] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 03/11/2023] [Accepted: 04/01/2023] [Indexed: 04/18/2023] Open
Abstract
AIMS The isocitrate dehydrogenase (IDH) phenotype is associated with reprogrammed energy metabolism in glioblastoma (GBM) cells. Small nucleolar RNAs (snoRNAs) are known to exert an important regulatory role in the energy metabolism of tumor cells. The purpose of this study was to investigate the role of C/D box snoRNA U3 and transcription factor zinc finger and BTB domain-containing 7A (ZBTB7A) in the regulation of aerobic glycolysis and the proliferative capacity of IDH1 wild-type (IDH1WT ) GBM cells. METHODS Quantitative reverse transcription PCR and western blot assays were utilized to detect snoRNA U3 and ZBTB7A expression. U3 promoter methylation status was analyzed via bisulfite sequencing and methylation-specific PCR. Seahorse XF glycolysis stress assays, lactate production and glucose consumption measurement assays, and cell viability assays were utilized to detect glycolysis and proliferation of IDH1WT GBM cells. RESULTS We found that hypomethylation of the CpG island in the promoter region of U3 led to the upregulation of U3 expression in IDH1WT GBM cells, and the knockdown of U3 suppressed aerobic glycolysis and the proliferation ability of IDH1WT GBM cells. We found that small nucleolar-derived RNA (sdRNA) U3-miR, a small fragment produced by U3, was able to bind to the ZBTB4 3'UTR region and reduce ZBTB7A mRNA stability, thereby downregulating ZBTB7A protein expression. Furthermore, ZBTB7A transcriptionally inhibited the expression of hexokinase 2 (HK2) and lactate dehydrogenase A (LDHA), which are key enzymes of aerobic glycolysis, by directly binding to the HK2 and LDHA promoter regions, thereby forming the U3/ZBTB7A/HK2 LDHA pathway that regulates aerobic glycolysis and proliferation of IDH1WT GBM cells. CONCLUSION U3 enhances aerobic glycolysis and proliferation in IDH1WT GBM cells via the U3/ZBTB7A/HK2 LDHA axis.
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Affiliation(s)
- Weiwei Dong
- Department of NeurosurgeryShengjing Hospital of China Medical UniversityShenyangChina
- Key Laboratory of Neuro‐oncology in Liaoning ProvinceShenyangChina
- Liaoning Medical Surgery and Rehabilitation Robot Technology Engineering Research CenterShenyangChina
| | - Yunhui Liu
- Department of NeurosurgeryShengjing Hospital of China Medical UniversityShenyangChina
- Key Laboratory of Neuro‐oncology in Liaoning ProvinceShenyangChina
- Liaoning Medical Surgery and Rehabilitation Robot Technology Engineering Research CenterShenyangChina
| | - Ping Wang
- Department of Neurobiology, School of Life SciencesChina Medical UniversityShenyangChina
| | - Xuelei Ruan
- Department of Neurobiology, School of Life SciencesChina Medical UniversityShenyangChina
| | - Libo Liu
- Department of Neurobiology, School of Life SciencesChina Medical UniversityShenyangChina
| | - Yixue Xue
- Department of Neurobiology, School of Life SciencesChina Medical UniversityShenyangChina
| | - Teng Ma
- Department of Neurobiology, School of Life SciencesChina Medical UniversityShenyangChina
| | - Tiange E
- Department of NeurosurgeryShengjing Hospital of China Medical UniversityShenyangChina
- Key Laboratory of Neuro‐oncology in Liaoning ProvinceShenyangChina
- Liaoning Medical Surgery and Rehabilitation Robot Technology Engineering Research CenterShenyangChina
| | - Di Wang
- Department of NeurosurgeryShengjing Hospital of China Medical UniversityShenyangChina
- Key Laboratory of Neuro‐oncology in Liaoning ProvinceShenyangChina
- Liaoning Medical Surgery and Rehabilitation Robot Technology Engineering Research CenterShenyangChina
| | - Chunqing Yang
- Department of NeurosurgeryShengjing Hospital of China Medical UniversityShenyangChina
- Key Laboratory of Neuro‐oncology in Liaoning ProvinceShenyangChina
- Liaoning Medical Surgery and Rehabilitation Robot Technology Engineering Research CenterShenyangChina
| | - Hongda Lin
- Department of NeurosurgeryShengjing Hospital of China Medical UniversityShenyangChina
- Key Laboratory of Neuro‐oncology in Liaoning ProvinceShenyangChina
- Liaoning Medical Surgery and Rehabilitation Robot Technology Engineering Research CenterShenyangChina
| | - Jian Song
- Department of NeurosurgeryShengjing Hospital of China Medical UniversityShenyangChina
- Key Laboratory of Neuro‐oncology in Liaoning ProvinceShenyangChina
- Liaoning Medical Surgery and Rehabilitation Robot Technology Engineering Research CenterShenyangChina
| | - Xiaobai Liu
- Department of NeurosurgeryShengjing Hospital of China Medical UniversityShenyangChina
- Key Laboratory of Neuro‐oncology in Liaoning ProvinceShenyangChina
- Liaoning Medical Surgery and Rehabilitation Robot Technology Engineering Research CenterShenyangChina
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Komatsu V, Cooper B, Yim P, Chan K, Gong W, Wheatley L, Rohs R, Fraser SE, Trinh LA. Hand2 represses non-cardiac cell fates through chromatin remodeling at cis- regulatory elements. bioRxiv 2023:2023.09.23.559156. [PMID: 37790542 PMCID: PMC10542161 DOI: 10.1101/2023.09.23.559156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/05/2023]
Abstract
Developmental studies have revealed the importance of the transcription factor Hand2 in cardiac development. Hand2 promotes cardiac progenitor differentiation and epithelial maturation, while repressing other tissue types. The mechanisms underlying the promotion of cardiac fates are far better understood than those underlying the repression of alternative fates. Here, we assess Hand2-dependent changes in gene expression and chromatin remodeling in cardiac progenitors of zebrafish embryos. Cell-type specific transcriptome analysis shows a dual function for Hand2 in activation of cardiac differentiation genes and repression of pronephric pathways. We identify functional cis- regulatory elements whose chromatin accessibility are increased in hand2 mutant cells. These regulatory elements associate with non-cardiac gene expression, and drive reporter gene expression in tissues associated with Hand2-repressed genes. We find that functional Hand2 is sufficient to reduce non-cardiac reporter expression in cardiac lineages. Taken together, our data support a model of Hand2-dependent coordination of transcriptional programs, not only through transcriptional activation of cardiac and epithelial maturation genes, but also through repressive chromatin remodeling at the DNA regulatory elements of non-cardiac genes.
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Yang J, Horton JR, Liu B, Corces VG, Blumenthal RM, Zhang X, Cheng X. Structures of CTCF-DNA complexes including all 11 zinc fingers. Nucleic Acids Res 2023; 51:8447-8462. [PMID: 37439339 PMCID: PMC10484683 DOI: 10.1093/nar/gkad594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 06/27/2023] [Accepted: 07/03/2023] [Indexed: 07/14/2023] Open
Abstract
The CCCTC-binding factor (CTCF) binds tens of thousands of enhancers and promoters on mammalian chromosomes by means of its 11 tandem zinc finger (ZF) DNA-binding domain. In addition to the 12-15-bp CORE sequence, some of the CTCF binding sites contain 5' upstream and/or 3' downstream motifs. Here, we describe two structures for overlapping portions of human CTCF, respectively, including ZF1-ZF7 and ZF3-ZF11 in complex with DNA that incorporates the CORE sequence together with either 3' downstream or 5' upstream motifs. Like conventional tandem ZF array proteins, ZF1-ZF7 follow the right-handed twist of the DNA, with each finger occupying and recognizing one triplet of three base pairs in the DNA major groove. ZF8 plays a unique role, acting as a spacer across the DNA minor groove and positioning ZF9-ZF11 to make cross-strand contacts with DNA. We ascribe the difference between the two subgroups of ZF1-ZF7 and ZF8-ZF11 to residues at the two positions -6 and -5 within each finger, with small residues for ZF1-ZF7 and bulkier and polar/charged residues for ZF8-ZF11. ZF8 is also uniquely rich in basic amino acids, which allows salt bridges to DNA phosphates in the minor groove. Highly specific arginine-guanine and glutamine-adenine interactions, used to recognize G:C or A:T base pairs at conventional base-interacting positions of ZFs, also apply to the cross-strand interactions adopted by ZF9-ZF11. The differences between ZF1-ZF7 and ZF8-ZF11 can be rationalized structurally and may contribute to recognition of high-affinity CTCF binding sites.
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Affiliation(s)
- Jie Yang
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - John R Horton
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Bin Liu
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Victor G Corces
- Department of Human Genetics, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Robert M Blumenthal
- Department of Medical Microbiology and Immunology, and Program in Bioinformatics, The University of Toledo College of Medicine and Life Sciences, Toledo, OH 43614, USA
| | - Xing Zhang
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Xiaodong Cheng
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
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Phoenix JT, Budreika A, Kostlan RJ, Hwang JH, Fanning SW, Kregel S. Editorial: Hormone resistance in cancer. Front Endocrinol (Lausanne) 2023; 14:1272932. [PMID: 37693345 PMCID: PMC10484586 DOI: 10.3389/fendo.2023.1272932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Accepted: 08/17/2023] [Indexed: 09/12/2023] Open
Affiliation(s)
- John T. Phoenix
- Department of Cancer Biology, Stritch School of Medicine, Loyola University Chicago, Maywood, IL, United States
- Integrated Program in Biomedical Science, Biochemistry, Molecular and Cancer Biology, Loyola University Chicago, Maywood, IL, United States
| | - Audris Budreika
- Department of Cancer Biology, Stritch School of Medicine, Loyola University Chicago, Maywood, IL, United States
| | - Raymond J. Kostlan
- Department of Cancer Biology, Stritch School of Medicine, Loyola University Chicago, Maywood, IL, United States
- Integrated Program in Biomedical Science, Biochemistry, Molecular and Cancer Biology, Loyola University Chicago, Maywood, IL, United States
| | - Justin H. Hwang
- Department of Medicine, University of Minnesota, Minneapolis, MN, United States
| | - Sean W. Fanning
- Department of Cancer Biology, Stritch School of Medicine, Loyola University Chicago, Maywood, IL, United States
| | - Steven Kregel
- Department of Cancer Biology, Stritch School of Medicine, Loyola University Chicago, Maywood, IL, United States
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Choi SH, Cho SY, Park SY, Hur MW. Post-translational regulation of proto-oncogene ZBTB7A expression by p53 status in cancer cells: HSP90-dependent stabilization vs. p53-KLHL20-ubiquitin proteasomal degradation. Biochimica et Biophysica Acta (BBA) - Gene Regulatory Mechanisms 2023; 1866:194931. [PMID: 37011832 DOI: 10.1016/j.bbagrm.2023.194931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 03/18/2023] [Accepted: 03/21/2023] [Indexed: 04/03/2023]
Abstract
ZBTB7A overexpressed in many human cancers is a major oncogenic driver. ZBTB7A promotes tumorigenesis by regulating transcription of the genes involved in cell survival and proliferation, apoptosis, invasion, and migration/metastasis. One unresolved issue is the mechanism underlying the aberrant overexpression of ZBTB7A in cancer cells. Interestingly, inhibition of HSP90 decreased ZBTB7A expression in a variety of human cancer cells. ZBTB7A interacts with and is stabilized by HSP90. Inhibition of HSP90 by 17-AAG resulted in p53-dependent proteolysis of ZBTB7A via increased p53 expression and upregulation of the CUL3-dependent E3 ubiquitin ligase, KLHL20. Down-regulation of ZBTB7A resulted in the derepression of a major negative regulator of cell cycle progression, p21/CDKN1A. We discovered a new function of p53 regulating ZBTB7A expression through KLHL20-E3 ligase and proteasomal protein degradation system.
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Bae SY, Bergom HE, Day A, Greene JT, Sychev ZE, Larson G, Corey E, Plymate SR, Freedman TS, Hwang JH, Drake JM. ZBTB7A as a novel vulnerability in neuroendocrine prostate cancer. Front Endocrinol (Lausanne) 2023; 14:1093332. [PMID: 37065756 PMCID: PMC10090553 DOI: 10.3389/fendo.2023.1093332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Accepted: 02/08/2023] [Indexed: 03/31/2023] Open
Abstract
Neuroendocrine prostate cancer (NEPC) is a highly aggressive subtype of prostate cancer. NEPC is characterized by the loss of androgen receptor (AR) signaling and transdifferentiation toward small-cell neuroendocrine (SCN) phenotypes, which results in resistance to AR-targeted therapy. NEPC resembles other SCN carcinomas clinically, histologically and in gene expression. Here, we leveraged SCN phenotype scores of various cancer cell lines and gene depletion screens from the Cancer Dependency Map (DepMap) to identify vulnerabilities in NEPC. We discovered ZBTB7A, a transcription factor, as a candidate promoting the progression of NEPC. Cancer cells with high SCN phenotype scores showed a strong dependency on RET kinase activity with a high correlation between RET and ZBTB7A dependencies in these cells. Utilizing informatic modeling of whole transcriptome sequencing data from patient samples, we identified distinct gene networking patterns of ZBTB7A in NEPC versus prostate adenocarcinoma. Specifically, we observed a robust association of ZBTB7A with genes promoting cell cycle progression, including apoptosis regulating genes. Silencing ZBTB7A in a NEPC cell line confirmed the dependency on ZBTB7A for cell growth via suppression of the G1/S transition in the cell cycle and induction of apoptosis. Collectively, our results highlight the oncogenic function of ZBTB7A in NEPC and emphasize the value of ZBTB7A as a promising therapeutic strategy for targeting NEPC tumors.
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Affiliation(s)
- Song Yi Bae
- Department of Pharmacology, University of Minnesota-Twin Cities, Minneapolis, MN, United States
| | - Hannah E. Bergom
- Department of Medicine, University of Minnesota-Twin Cities, Minneapolis, MN, United States
- Division of Hematology, Oncology and Transplantation, University of Minnesota, Minneapolis, MN, United States
| | - Abderrahman Day
- Department of Medicine, University of Minnesota-Twin Cities, Minneapolis, MN, United States
- Division of Hematology, Oncology and Transplantation, University of Minnesota, Minneapolis, MN, United States
- Institute for Health Informatics, University of Minnesota, Minneapolis, MN, United States
| | - Joseph T. Greene
- Department of Pharmacology, University of Minnesota-Twin Cities, Minneapolis, MN, United States
| | - Zoi E. Sychev
- Department of Pharmacology, University of Minnesota-Twin Cities, Minneapolis, MN, United States
| | - Gabrianne Larson
- Department of Pharmacology, University of Minnesota-Twin Cities, Minneapolis, MN, United States
| | - Eva Corey
- Department of Urology, University of Washington, Seattle, WA, United States
| | - Stephen R. Plymate
- Department of Medicine, Division of Gerontology and Geriatric Medicine, University of Washington, Seattle, WA, United States
- Geriatric Research, Education, and Clinical Center, Veterans Affairs (VA) Puget Sound Health Care System, Seattle, WA, United States
| | - Tanya S. Freedman
- Department of Pharmacology, University of Minnesota-Twin Cities, Minneapolis, MN, United States
- Masonic Cancer Center, University of Minnesota-Twin Cities, Minneapolis, MN, United States
- Center for Immunology, University of Minnesota, Minneapolis, MN, United States
| | - Justin H. Hwang
- Department of Medicine, University of Minnesota-Twin Cities, Minneapolis, MN, United States
- Division of Hematology, Oncology and Transplantation, University of Minnesota, Minneapolis, MN, United States
- Department of Urology, University of Washington, Seattle, WA, United States
| | - Justin M. Drake
- Department of Pharmacology, University of Minnesota-Twin Cities, Minneapolis, MN, United States
- Department of Urology, University of Washington, Seattle, WA, United States
- Department of Urology, University of Minnesota-Twin Cities, Minneapolis, MN, United States
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Montoya VR, Ready TM, Felton A, Fine SR, OhAinle M, Emerman M. A Virus-Packageable CRISPR System Identifies Host Dependency Factors Co-Opted by Multiple HIV-1 Strains. mBio 2023; 14:e0000923. [PMID: 36744886 DOI: 10.1128/mbio.00009-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
At each stage of the HIV life cycle, host cellular proteins are hijacked by the virus to establish and enhance infection. We adapted the virus packageable HIV-CRISPR screening technology at a genome-wide scale to comprehensively identify host factors that affect HIV replication in a human T cell line. Using a smaller, targeted HIV Dependency Factor (HIVDEP) sublibrary, we then performed screens across HIV strains representing different clades and with different biological properties to define which T cell host factors are important across multiple HIV strains. Nearly 90% of the genes selected across various host pathways validated in subsequent assays as bona fide host dependency factors, including numerous proteins not previously reported to play roles in HIV biology, such as UBE2M, MBNL1, FBXW7, PELP1, SLC39A7, and others. Our ranked list of screen hits across diverse HIV-1 strains form a resource of HIV dependency factors for future investigation of host proteins involved in HIV biology. IMPORTANCE With a small genome of ~9.2 kb that encodes 14 major proteins, HIV must hijack host cellular machinery to successfully establish infection. These host proteins necessary for HIV replication are called "dependency factors." Whole-genome, and then targeted screens were done to try to comprehensively identify all dependency factors acting throughout the HIV replication cycle. Many host processes were identified and validated as critical for HIV replication across multiple HIV strains.
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Ren R, Horton JR, Chen Q, Yang J, Liu B, Huang Y, Blumenthal RM, Zhang X, Cheng X. Structural basis for transcription factor ZBTB7A recognition of DNA and effects of ZBTB7A somatic mutations that occur in human acute myeloid leukemia. J Biol Chem 2023; 299:102885. [PMID: 36626981 PMCID: PMC9932118 DOI: 10.1016/j.jbc.2023.102885] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 12/27/2022] [Accepted: 12/29/2022] [Indexed: 01/09/2023] Open
Abstract
ZBTB7A belongs to a small family of transcription factors having three members in humans (7A, 7B, and 7C). They share a BTB/POZ protein interaction domain at the amino end and a zinc-finger DNA-binding domain at the carboxyl end. They control the transcription of a wide range of genes, having varied functions in hematopoiesis, oncogenesis, and metabolism (in particular glycolysis). ZBTB7A-binding profiles at gene promoters contain a consensus G(a/c)CCC motif, followed by a CCCC sequence in some instances. Structural and mutational investigations suggest that DNA-specific contacts with the four-finger tandem array of ZBTB7A are formed sequentially, initiated from ZF1-ZF2 binding to G(a/c)CCC before spreading to ZF3-ZF4, which bind the DNA backbone and the 3' CCCC sequence, respectively. Here, we studied some mutations found in t(8;21)-positive acute myeloid leukemia patients that occur within the ZBTB7A DNA-binding domain. We determined that these mutations generally impair ZBTB7A DNA binding, with the most severe disruptions resulting from mutations in ZF1 and ZF2, and the least from a frameshift mutation in ZF3 that results in partial mislocalization. Information provided here on ZBTB7A-DNA interactions is likely applicable to ZBTB7B/C, which have overlapping functions with ZBTB7A in controlling primary metabolism.
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Affiliation(s)
- Ren Ren
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - John R Horton
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Qin Chen
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Jie Yang
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Bin Liu
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Yun Huang
- Center for Epigenetics and Disease Prevention, Institute of Biosciences and Technology, College of Medicine, Texas A&M University, Houston, Texas, USA
| | - Robert M Blumenthal
- Department of Medical Microbiology and Immunology, and Program in Bioinformatics, The University of Toledo College of Medicine and Life Sciences, Toledo, Ohio, USA
| | - Xing Zhang
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Houston, Texas, USA.
| | - Xiaodong Cheng
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Houston, Texas, USA.
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Weinreb I, Hahn E, Dickson BC, Rooper LM, Rupp NJ, Freiberger SN, Lubin D, Gagan J, Bishop JA. Microcribriform Adenocarcinoma of Salivary Glands: A Unique Tumor Entity Characterized by an SS18::ZBTB7A Fusion. Am J Surg Pathol 2023; 47:194-201. [PMID: 36221318 DOI: 10.1097/PAS.0000000000001980] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
The landscape of salivary gland carcinomas is ever-changing, with a growing list of new tumors and newly elucidated variants of well-known tumor entities. The routine use of next-generation sequencing has been instrumental in identifying novel fusions and tumor entities, which has helped bring the classification to a more objective and evidenced-based model. However, morphology remains critical in assessing the validity of these novel molecular findings, and most importantly, in assessing which of these findings will have an impact on the prognosis and treatment decisions for patients. The recognition of microsecretory adenocarcinoma (MSA) as a distinct low-grade malignancy of salivary glands, underpinned by MEF2C::SS18 , and a single possibly related case of SS18::ZBTB7A , recently expanded this growing list of distinctive tumors. It was not until now, however, that the morphology of the latter case was known to be unique and reproducible. The authors have now seen 4 of these distinctive tumors that show a combination of distinctive oncocytic cells forming compact glandular growth as well as amphophilic cells forming tubular growth, and suggest the appellation "microcribriform adenocarcinoma" (MCA). So far, these tumors appear to preferentially occur in nonoral sites (2 parotid, 1 submandibular gland, and 1 bronchial seromucous glands). By immunohistochemistry, they express S100 and SOX-10 with focal outer myoepithelial cells marked by circumferential p63, p40, and smooth muscle actin staining around some of the nests and tubules. The tumors show infiltrative growth within a hyalinized and myxoid stroma. Cytologically, they appear generally low grade, similar to MSA. The morphologic and molecular uniformity of these 4 microcribriform adenocarcinoma cases warrants their recognition, and while related to MSA, they are sufficiently different to be classified as a distinct tumor. So far, in limited follow-up, these tumors appear to be relatively indolent.
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Jeong JH, Park SH, Kim H, Nam HY, Kim SH, Jeong M, Kong MJ, Son J, Jeong JE, Song JH, Kim SW, Choi KC. ZBTB7A suppresses glioblastoma tumorigenesis through the transcriptional repression of EPB41L5. Exp Mol Med 2023; 55:43-54. [PMID: 36596853 PMCID: PMC9898510 DOI: 10.1038/s12276-022-00908-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 10/26/2022] [Accepted: 11/02/2022] [Indexed: 01/05/2023] Open
Abstract
Glioblastoma multiforme (GBM), the most aggressive and malignant glioma, has a poor prognosis. Although patients with GBM are treated with surgery, chemotherapy, and radiation therapy, GBM is highly resistant to treatment, making it difficult and expensive to treat. In this study, we analyzed the Gene Expression Profiling Interactive Analysis dataset, the Cancer Genome Atlas dataset, and Gene Expression Omnibus array data. ZBTB7A (also called FBI1/POKEMON/LRF) was found to be highly expressed in low-grade glioma but significantly downregulated in patients with GBM. ZBTB7A is a transcription factor that plays an important role in many developmental stages, including cell proliferation. The activation of epithelial-mesenchymal transition (EMT) is a key process in cancer progression and metastasis. Erythrocyte membrane protein band 4.1 like 5 (EPB41L5) is an essential protein for EMT progression and metastasis in various types of cancer. We found that ZBTB7A depletion in U87 cells induced GBM progression and metastasis. Based on RNA sequencing data, ZBTB7A directly binds to the promoter of the EPB41L5 gene, reducing its expression and inhibiting GBM progression. We demonstrated that ZBTB7A dramatically inhibits GBM tumor growth through transcriptional repression of EPB41L5. Thus, both ZBTB7A and EPB41L5 may be potential biomarkers and novel therapeutic targets for GBM treatment. Overall, we discovered the role of a novel tumor suppressor that directly inhibits GBM progression (ZBTB7A) and identified EPB41L5 as a therapeutic target protein for patients with GBM.
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Affiliation(s)
- Ji-Hoon Jeong
- grid.413967.e0000 0001 0842 2126Department of Biomedical Sciences, AAMIST, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Seung-Ho Park
- grid.413967.e0000 0001 0842 2126Department of Biomedical Sciences, AAMIST, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Hyunhee Kim
- grid.413967.e0000 0001 0842 2126Department of Biomedical Sciences, AAMIST, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Hae Yun Nam
- grid.413967.e0000 0001 0842 2126Department of Biochemistry and Molecular Biology, AMIST, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Sung-Hak Kim
- grid.14005.300000 0001 0356 9399Department of Animal Science, Chonnam National University, Gwangju, Korea
| | - Minseok Jeong
- grid.413967.e0000 0001 0842 2126Department of Biomedical Sciences, AAMIST, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Min-Jeong Kong
- grid.413967.e0000 0001 0842 2126Department of Biomedical Sciences, AAMIST, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Jihyun Son
- grid.413967.e0000 0001 0842 2126Department of Biomedical Sciences, AAMIST, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Ji-Eun Jeong
- grid.413967.e0000 0001 0842 2126Department of Biomedical Sciences, AAMIST, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Ji-Hye Song
- grid.418974.70000 0001 0573 0246Korea Food Research Institute, Wanju-gun, 55365 Korea
| | - Seong Who Kim
- Department of Biochemistry and Molecular Biology, AMIST, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
| | - Kyung-Chul Choi
- Department of Biomedical Sciences, AAMIST, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
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Xu X, Shobuike T, Shiraki M, Kamohara A, Hirata H, Murayama M, Mawatari D, Ueno M, Morimoto T, Kukita T, Mawatari M, Kukita A. Leukemia/lymphoma-related factor (LRF) or osteoclast zinc finger protein (OCZF) overexpression promotes osteoclast survival by increasing Bcl-xl mRNA: A novel regulatory mechanism mediated by the RNA binding protein SAM68. J Transl Med 2022; 102:1000-1010. [PMID: 36775415 DOI: 10.1038/s41374-022-00792-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 04/08/2022] [Accepted: 04/11/2022] [Indexed: 11/08/2022] Open
Abstract
RANKL induces NFATc1, a key transcriptional factor to induce osteoclast-specific genes such as cathepsin K, whereas transcriptional control of osteoclast survival is not fully understood. Leukemia/lymphoma-related factor (LRF) in mouse and osteoclast zinc finger protein (OCZF) in rat are zinc finger and BTB domain-containing protein (zBTB) family of transcriptional regulators, and are critical regulators of hematopoiesis. We have previously shown that differentiation and survival were enhanced in osteoclasts from OCZF-Transgenic (Tg) mice. In the present study, we show a possible mechanism of osteoclast survival regulated by LRF/OCZF and the role of OCZF overexpression in pathological bone loss. In the in vitro cultures, LRF was highly colocalized with NFATc1 in cells of early stage in osteoclastogenesis, but only LRF expression persisted after differentiation into mature osteoclasts. LRF expression was further enhanced in resorbing osteoclasts formed on dentin slices. Osteoclast survival inhibitor such as alendronate, a bisphosphonate reduced LRF expression. Micro CT evaluation revealed that femurs of OCZF-Tg mice showed significantly lower bone volume compared to that of WT mice. Furthermore, OCZF overexpression markedly promoted bone loss in ovariectomy-induced osteolytic mouse model. The expression of anti-apoptotic Bcl-xl mRNA, which is formed by alternative splicing, was enhanced in the cultures in which osteoclasts are formed from OCZF-Tg mice. In contrast, the expression of pro-apoptotic Bcl-xs mRNA was lost in the culture derived from OCZF-Tg mice. We found that the expression levels of RNA binding splicing regulator, Src substrate associated in mitosis of 68 kDa (Sam68) protein were markedly decreased in OCZF-Tg mice-derived osteoclasts. In addition, shRNA-mediated knockdown of Sam68 expression increased the expression of Bcl-xl mRNA, suggesting that SAM68 regulates the expression of Bcl-xl. These results indicate that OCZF overexpression reduces protein levels of Sam68, thereby promotes osteoclast survival, and suggest that LRF/OCZF is a promising target for regulating pathological bone loss.
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Affiliation(s)
- Xianghe Xu
- Department of Pathology and Microbiology, Faculty of Medicine, Saga University, Saga, Japan
- Department of Molecular Cell Biology & Oral Anatomy, Faculty of Dentistry, Kyushu University, Fukuoka, Japan
- Department of Orthopaedics, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, 519000, Guangdong, China
| | - Takeo Shobuike
- Department of Pathology and Microbiology, Faculty of Medicine, Saga University, Saga, Japan
| | - Makoto Shiraki
- Department of Orthopaedic Surgery, Faculty of Medicine, Saga University, Saga, Japan
| | - Asana Kamohara
- Department of Oral & Maxillofacial Surgery, Faculty of Medicine, Saga University, Saga, Japan
| | - Hirohito Hirata
- Department of Orthopaedic Surgery, Faculty of Medicine, Saga University, Saga, Japan
| | - Masatoshi Murayama
- Department of Orthopaedic Surgery, Faculty of Medicine, Saga University, Saga, Japan
| | - Daisuke Mawatari
- Department of Orthopaedic Surgery, Faculty of Medicine, Saga University, Saga, Japan
| | - Masaya Ueno
- Department of Orthopaedic Surgery, Faculty of Medicine, Saga University, Saga, Japan
| | - Tadatsugu Morimoto
- Department of Orthopaedic Surgery, Faculty of Medicine, Saga University, Saga, Japan
| | - Toshio Kukita
- Department of Molecular Cell Biology & Oral Anatomy, Faculty of Dentistry, Kyushu University, Fukuoka, Japan
| | - Masaaki Mawatari
- Department of Orthopaedic Surgery, Faculty of Medicine, Saga University, Saga, Japan
| | - Akiko Kukita
- Department of Pathology and Microbiology, Faculty of Medicine, Saga University, Saga, Japan.
- Research Center of Arthroplasty, Faculty of Medicine, Saga University, Saga, Japan.
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Chen L, Liu Z, Tang H, Zhou Z, Chen J, Ma Z, Deng M, Li X, Wu Y, Zheng L, Zhou L, Zheng X, Liu Z. Knockdown of ZBTB11 impedes R‐loop elimination and increases the sensitivity to cisplatin by inhibiting DDX1 transcription in bladder cancer. Cell Prolif 2022; 55:e13325. [DOI: 10.1111/cpr.13325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 06/28/2022] [Accepted: 07/26/2022] [Indexed: 11/26/2022] Open
Affiliation(s)
- Lei Chen
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine Sun Yat‐sen University Cancer Center Guangzhou China
- Department of Urology Sun Yat‐sen University Cancer Center Guangzhou China
| | - Zefu Liu
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine Sun Yat‐sen University Cancer Center Guangzhou China
- Department of Urology Sun Yat‐sen University Cancer Center Guangzhou China
| | - Huancheng Tang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine Sun Yat‐sen University Cancer Center Guangzhou China
- Department of Urology Sun Yat‐sen University Cancer Center Guangzhou China
| | - Zhaohui Zhou
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine Sun Yat‐sen University Cancer Center Guangzhou China
- Department of Urology Sun Yat‐sen University Cancer Center Guangzhou China
| | - Jiawei Chen
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine Sun Yat‐sen University Cancer Center Guangzhou China
- Department of Urology Sun Yat‐sen University Cancer Center Guangzhou China
| | - Zikun Ma
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine Sun Yat‐sen University Cancer Center Guangzhou China
- Department of Urology Sun Yat‐sen University Cancer Center Guangzhou China
| | - Minhua Deng
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine Sun Yat‐sen University Cancer Center Guangzhou China
- Department of Urology Sun Yat‐sen University Cancer Center Guangzhou China
| | - Xiangdong Li
- Department of Urology Sun Yat‐sen University Cancer Center Guangzhou China
| | - Yuanzhong Wu
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine Sun Yat‐sen University Cancer Center Guangzhou China
| | - Lisi Zheng
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine Sun Yat‐sen University Cancer Center Guangzhou China
| | - Liwen Zhou
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine Sun Yat‐sen University Cancer Center Guangzhou China
| | - Xianchong Zheng
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine Sun Yat‐sen University Cancer Center Guangzhou China
- Department of Urology Sun Yat‐sen University Cancer Center Guangzhou China
| | - Zhuowei Liu
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine Sun Yat‐sen University Cancer Center Guangzhou China
- Department of Urology Sun Yat‐sen University Cancer Center Guangzhou China
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Xu K, Xia P, Gongye X, Zhang X, Ma S, Chen Z, Zhang H, Liu J, Liu Y, Guo Y, Yao Y, Gao M, Chen Y, Zhang Z, Yuan Y. A novel lncRNA RP11-386G11.10 reprograms lipid metabolism to promote hepatocellular carcinoma progression. Mol Metab 2022; 63:101540. [PMID: 35798238 PMCID: PMC9287641 DOI: 10.1016/j.molmet.2022.101540] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Revised: 06/11/2022] [Accepted: 06/27/2022] [Indexed: 12/01/2022] Open
Abstract
Objective Emerging studies suggest that long non-coding RNAs (lncRNAs) play crucial roles in hepatocellular carcinoma (HCC). A rapidly increasing number of studies have shown that metabolic changes including lipid metabolic reprogramming play a significant role in the progression of HCC. But it remains to be elucidated how lncRNAs affect tumor cell metabolism. Methods Through analysis and screening of The Cancer Genome Atlas-Liver Hepatocellular Carcinoma (TCGA-LIHC) dataset, we found a novel lncRNA RP11-386G11.10 was overexpressed, related to prognosis, conserved and non-protein-coding in HCC and related to poor prognosis. Then, CCK-8, colony formation, Transwell invasion, wound healing assays were performed and nude mouse subcutaneous tumour formation and lung metastasis models were established to explore the effect of RP11-386G11.10 on HCC tumour growth and metastasis. Chromatography-mass spectrometry (GC-MS) and Nile red staining detected the effect of RP11-386G11.10 on lipid metabolism in HCC. Mechanistically, we clarified the RP11-386G11.10/miR-345-3p/HNRNPU signalling pathway through dual luciferase reporter, RNA immunoprecipitation (RIP) and chromatin immunoprecipitation (ChIP) assays and identified ZBTB7A as a transcription factor of RP11-386G11.10. Results RP11-386G11.10 was overexpressed in HCC and positively correlated with tumour size, TNM stage, and poor prognosis in HCC patients. RP11-386G11.10 promoted the proliferation and metastasis of HCC cells in vitro and in vivo. Mechanistically, RP11-386G11.10 acted as a competing endogenous RNA (ceRNA) for miR-345-3p to regulate the expression of HNRNPU and its downstream lipogenic enzymes, leading to lipid accumulation in HCC cells and promoting their growth and metastasis. In addition, we identified ZBTB7A as a transcription factor of RP11-386G11.10. Moreover, HNRNPU promoted the expression of ZBTB7A in HCC cells, thereby increasing the transcriptional activity of RP11-386G11.10, and forming a positive feedback loop, ultimately leading continuous lipid accumulation, growth and metastasis in HCC cells. Conclusions Our results indicated that the lncRNA RP11-386G11.10 was a novel oncogenic lncRNA that was strongly correlated with the poor prognosis of HCC. The ZBTB7A-RP11-386G11.10-HNRNPU positive feedback loop promoted the progression of HCC by regulating lipid anabolism. RP11-386G11.10 may become a new diagnostic and prognostic biomarker and therapy target for HCC. LncRNA RP11-386G11.10 was up-regulated in HCC. Overexpression of lncRNA RP11-386G11.10 promoted the proliferation, metastasis of HCC cells in vivo and in vitro. We confirmed that regulation of HNRNPU expression by RP11-286H15.1 resulted in lipid accumulation in HCC cells. HNRNPU forms a ZBTB7A- RP11-386G11.10 -HNRNPU positive feedback loop by promoting mRNA stability of ZBTB7A.
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Hong Y, Que Y, Hu Y, Shi BY, Zhu J, Wang J, Huang JT, Sun FF, Zhang L, Zhou XK, Lu SY, Zhang YZ. Immune-Related LncRNAs as Prognostic Factors for Pediatric Rhabdoid Tumor of the Kidney. Dis Markers 2022; 2022:4752184. [PMID: 35756490 DOI: 10.1155/2022/4752184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 05/10/2022] [Accepted: 05/25/2022] [Indexed: 11/17/2022]
Abstract
Background Immune-related long noncoding RNAs (IrlncRNAs) are recognized as important prognostic factors in a variety of cancers, but thus far, their prognostic value in pediatric rhabdoid tumor of the kidney (pRTK) has not been reported. Here, we clarified the associations between IrlncRNAs and overall survival (OS) of pRTK patients and constructed a model to predict their prognosis. Methods We accessed RNA sequencing data and corresponding clinical data of pRTK from the Therapeutically Applicable Research to Generate Effective Treatments (TARGET) database. An expression profile of immune-related genes (Irgenes) and lncRNAs of pRTK was extracted from the RNA sequencing data. IrlncRNAs were defined by co-expression analysis of lncRNAs and Irgenes. The limma R package was used to identify differential expression IrlncRNAs. Univariate and multivariate Cox regression analyses were conducted to build a prognostic IrlncRNAs model. The performance of this prognostic model was validated by multimethods, like ROC curve analysis. Results A total of 1097 IrlncRNAs were defined. Univariate Cox regression analysis identified 7 IrlncRNAs (AC004791.2, AP003068.23, RP11-54O7.14, RP11-680F8.1, TBC1D3P1-DHX40P1, TUNAR, and XXbac-BPG308K3.5) and were significantly associated with OS. Multivariate regression analysis constructed the best prognostic model based on the expression of AC004791.2, AP003068.23, RP11-54O7.14, TBC1D3P1-DHX40P1, and TUNAR. According to the prognostic model, a risk score of each patient was calculated, and patients were divided into high-risk and low-risk groups accordingly. The survival time of low-risk patients was significantly better than high-risk patients (p < 0.001). Univariate (hazard ratio 1.098, 95% confidence interval 1.048-1.149, p value <0.001) and multivariate (hazard ratio 1.095, 95% confidence interval 1.043-1.150, p value <0.001) analyses confirmed that the prognostic model was reliable and independent in prediction of OS. Time-dependent ROC analysis showed that 1-year survival AUC of prognostic model, stage, age, and sex was 0.824, 0.673, 0.531, and 0.495, respectively, which suggested that the prognostic model was the best predictor of survival in pRTK patients. Conclusions The prognostic model based on 5 IrlncRNAs was robust and could better predict the survival of pRTK than other clinical factors. Additionally, the mechanism of regulation and action of prognosis-associated lncRNAs could provide new avenues for basic research to explore the mechanism of tumor initiation and development in order to prevent and treat pRTK.
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Prajapati KS, Gupta S, Kumar S. Targeting Breast Cancer-Derived Stem Cells by Dietary Phytochemicals: A Strategy for Cancer Prevention and Treatment. Cancers (Basel) 2022; 14:2864. [PMID: 35740529 DOI: 10.3390/cancers14122864] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 06/06/2022] [Accepted: 06/08/2022] [Indexed: 02/05/2023] Open
Abstract
Breast cancer is heterogeneous disease with variable prognosis and therapeutic response. Approximately, 70% of diagnosed breast cancer represents the luminal A subtype. This subpopulation has a fair prognosis with a lower rate of relapse than the other clinical subtypes. Acquisition of stemness in luminal A subtype modifies the phenotype plasticity to accomplish increased aggressiveness and therapeutic resistance. Therefore, targeting luminal A-derived breast cancer stem cells (BCSCs) could be a promising strategy for its prevention and treatment. Extensive studies reveal that dietary phytochemicals have the potential to target BCSCs by modulating the molecular and signal transduction pathways. Dietary phytochemicals alone or in combination with standard therapeutic modalities exert higher efficacy in targeting BCSCs through changes in stemness, self-renewal properties and hypoxia-related factors. These combinations offer achieving higher radio- and chemo- sensitization through alteration in the key signaling pathways such as AMPK, STAT3, NF-ĸB, Hedgehog, PI3K/Akt/mTOR, Notch, GSK3β, and Wnt related to cancer stemness and drug resistance. In this review, we highlight the concept of targeting luminal A-derived BCSCs with dietary phytochemicals by summarizing the pathways and underlying mechanism(s) involved during therapeutic resistance.
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Liu J, Chou Z, Li C, Huang K, Wang X, Li X, Han C, Al-Danakh A, Li X, Song X. ZBTB7A, a miR-144-3p targeted gene, accelerates bladder cancer progression via downregulating HIC1 expression. Cancer Cell Int 2022; 22:179. [PMID: 35501800 PMCID: PMC9063087 DOI: 10.1186/s12935-022-02596-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 04/18/2022] [Indexed: 12/24/2022] Open
Abstract
Background Zinc finger and BTB domain-containing 7A (ZBTB7A) is a member of the POK family of transcription factors that plays an oncogenic or tumor-suppressive role in different cancers depending on the type and genetic context of cancer. However, the function and molecular mechanism of ZBTB7A in bladder cancer (BC) remain elusive. Methods The role of ZBTB7A in bladder cancer was detected by colony formation, transwell, and tumor formation assays. The expression levels of ZBTB7A, HIC1, and miR-144-3p were analyzed by qRT-PCR and Western blot. Bioinformatics analysis and a dual-luciferase reporter assay were used to assess the effect of ZBTB7A on the promoter activity of HIC1. Results The present study revealed that knockdown of ZBTB7A suppressed BC cell growth and migration, as indicated by an approximately 50% reduction in the number of colonies and an approximately 70% reduction in the number of migrated cells. Loss of ZBTB7A inhibited tumor growth in vivo, resulting in a 75% decrease in tumor volume and an 80% decrease in tumor weight. Further mechanistic studies revealed that ZBTB7A bound to the hypermethylated in cancer 1 (HIC1) promoter and downregulated HIC1 expression, accelerating the malignant behavior of BC. Increased expression of ZBTB7A in BC tissues was negatively corrected with the expression of HIC1. Moreover, ZBTB7A was a target of miR-144-3p, which decreased ZBTB7A expression in BC. Conclusion Our data demonstrate that ZBTB7A, a targeted gene of miR-144-3p, promoted tumorigenesis of BC through downregulating HIC1 expression. Supplementary Information The online version contains supplementary material available at 10.1186/s12935-022-02596-w.
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Affiliation(s)
- Junqiang Liu
- Department of Urology of First Affiliated Hospital, Institute of Cancer Stem Cell, Dalian Medical University, Dalian, China
| | - Zhiyuan Chou
- Department of Urology of First Affiliated Hospital, Institute of Cancer Stem Cell, Dalian Medical University, Dalian, China
| | - Chun Li
- Central Laboratory, Affiliated Zhongshan Hospital of Dalian University, Dalian, China
| | - Kai Huang
- Department of Urology of First Affiliated Hospital, Institute of Cancer Stem Cell, Dalian Medical University, Dalian, China
| | - Xuejian Wang
- Department of Urology of First Affiliated Hospital, Institute of Cancer Stem Cell, Dalian Medical University, Dalian, China
| | - Xiunan Li
- Department of Urology of First Affiliated Hospital, Institute of Cancer Stem Cell, Dalian Medical University, Dalian, China
| | - Chuanchun Han
- Department of Urology of First Affiliated Hospital, Institute of Cancer Stem Cell, Dalian Medical University, Dalian, China
| | - Abdullah Al-Danakh
- Department of Urology of First Affiliated Hospital, Institute of Cancer Stem Cell, Dalian Medical University, Dalian, China
| | - Xiaodong Li
- Department of Urology of First Affiliated Hospital, Institute of Cancer Stem Cell, Dalian Medical University, Dalian, China.
| | - Xishuang Song
- Department of Urology of First Affiliated Hospital, Institute of Cancer Stem Cell, Dalian Medical University, Dalian, China.
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20
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Cheng Z, Hong J, Tang N, Liu F, Gu S, Feng Z. Long non-coding RNA p53 upregulated regulator of p53 levels (PURPL) promotes the development of gastric cancer. Bioengineered 2022; 13:1359-1376. [PMID: 35012438 PMCID: PMC8805877 DOI: 10.1080/21655979.2021.2017588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Gastric cancer (GC), one of the most prevalent malignancies across the world, has an increasing incidence rate. Long non-coding RNA (lncRNA) PURPL (also referred to as LINC01021) has been demonstrated to influence malignant GC behaviors and partake in other cancers. Notwithstanding, reports pertaining to the underlying mechanism of PURPL in GC haven’t been rarely seen. Presently, in-vivo and ex-vivo experiments were implemented to examine the PURPL-miR-137-ZBTB7A-PI3K-AKT-NF-κB regulatory axis in GC. Our statistics revealed that PURPL presented a high expression in GC tissues and cell lines. PURPL overexpression remarkably exacerbated colony formation, migration, and invasion and repressed apoptosis in GC cells (AGS and MNK-45). In-vivo experiments also corroborated that cell growth was boosted by PURPL up-regulation. Mechanistic investigations verified that PURPL interacted with miR-137 and lowered its profile in GC cell lines. miR-137 overexpression or ZBTB7A knockdown upended the oncogenic function mediated by PURPL. PURPL initiated the PI3K/AKT/NF-κB pathway. PI3K and NF-κB inhibition impaired the promoting impact on GC cells elicited by PURPL overexpression and contributed to PURPL down-regulation. These findings disclosed that PURPL serves as an oncogene in the context of GC via miR-137-ZBTB7A-PI3K-AKT-NF-κB axis modulation.
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Affiliation(s)
- Zhonghua Cheng
- Department of Gastroenterology, The Central Hospital of Xuhui District, Xuhui Hospital, Zhongshan Hospital Affiliated to Fudan University, Shanghai, China
| | - Jing Hong
- Department of Gastroenterology, The Central Hospital of Xuhui District, Xuhui Hospital, Zhongshan Hospital Affiliated to Fudan University, Shanghai, China
| | - Nan Tang
- Department of Gastroenterology, The Central Hospital of Xuhui District, Xuhui Hospital, Zhongshan Hospital Affiliated to Fudan University, Shanghai, China
| | - Fenghua Liu
- Department of Gastroenterology, The Central Hospital of Xuhui District, Xuhui Hospital, Zhongshan Hospital Affiliated to Fudan University, Shanghai, China
| | - Shuo Gu
- Department of Gastroenterology, The Central Hospital of Xuhui District, Xuhui Hospital, Zhongshan Hospital Affiliated to Fudan University, Shanghai, China
| | - Zhen Feng
- Department of Gastroenterology, The Central Hospital of Xuhui District, Xuhui Hospital, Zhongshan Hospital Affiliated to Fudan University, Shanghai, China
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21
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Zhang Y, Murphy S, Lu X. Cancer-cell-intrinsic mechanisms regulate MDSCs through cytokine networks. International Review of Cell and Molecular Biology 2022; 375:1-31. [PMID: 36967150 DOI: 10.1016/bs.ircmb.2022.09.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Immunotherapy has shifted the paradigm of cancer treatment. However, the majority of cancer patients display de novo or acquired resistance to immunotherapy. One of the main mechanisms of immunotherapy resistance is the immunosuppressive microenvironment dominated by the myeloid-derived suppressor cells (MDSCs). Emerging evidence demonstrates that genetic or epigenetic aberrations in cancer cells shape the accumulation and activation of MDSCs. Understanding this genotype-immunophenotype relationship is critical to the rational design of combination immunotherapy. Here, we review the mechanisms of how molecular changes in cancer cells induce recruitment and reprogram the function of tumor-infiltrating myeloid cells, particularly MDSCs. Tumor-infiltrating MDSCs elicit various pro-tumor functions to promote tumor cell fitness, immune evasion, angiogenesis, tissue remodeling, and metastasis. Through understanding the genotype-immunophenotype relationship between neoplastic cells and MDSCs, new approaches can be developed to tailor current immunotherapy strategies to improve cancer patient outcomes.
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22
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Chen D, Song B, Cheng Y, Zhu L, Lu D, Liu N, Yang Y, Sun X. Generation of a homozygous ZBTB7A knockout human induced pluripotent stem line by CRISPR/Cas9 editing. Stem Cell Res 2021; 55:102494. [PMID: 34403853 DOI: 10.1016/j.scr.2021.102494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 07/14/2021] [Accepted: 08/02/2021] [Indexed: 10/20/2022] Open
Abstract
ZBTB7A plays important roles in several biological processes, including silencing of the fetal γ-globin genes, hematopoiesis, primed-to-naive transition, etc. Meanwhile, it is also associated with Oncogenic transformation and tumor progression. However, the mechanism of ZBTB7A function is not fully understood yet. Here, we generated a homozygous ZBTB7A knockout human induced pluripotent stem cell (iPSC) line, GZHMCi007-A by the CRISPR/Cas9-mediated homology-dependent DNA repair method. The iPSCs of ZBTB7A-/- established by us is a powerful tool for related research.
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Affiliation(s)
- Diyu Chen
- Department of Obstetrics and Gynecology, Key Laboratory for Major Obstetric Diseases of Guangdong Province, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China; Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institutes, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Bing Song
- Department of Obstetrics and Gynecology, Key Laboratory for Major Obstetric Diseases of Guangdong Province, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China; Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institutes, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China.
| | - Yi Cheng
- Department of Obstetrics and Gynecology, Key Laboratory for Major Obstetric Diseases of Guangdong Province, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China; Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institutes, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Lifen Zhu
- Department of Obstetrics and Gynecology, Key Laboratory for Major Obstetric Diseases of Guangdong Province, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China; Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institutes, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Dian Lu
- Department of Obstetrics and Gynecology, Key Laboratory for Major Obstetric Diseases of Guangdong Province, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China; Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institutes, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Nengqing Liu
- Department of Obstetrics and Gynecology, Key Laboratory for Major Obstetric Diseases of Guangdong Province, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China; Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institutes, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Yinghong Yang
- Department of Obstetrics and Gynecology, Key Laboratory for Major Obstetric Diseases of Guangdong Province, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China; Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institutes, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Xiaofang Sun
- Department of Obstetrics and Gynecology, Key Laboratory for Major Obstetric Diseases of Guangdong Province, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China; Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institutes, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China.
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23
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Islam Z, Ali AM, Naik A, Eldaw M, Decock J, Kolatkar PR. Transcription Factors: The Fulcrum Between Cell Development and Carcinogenesis. Front Oncol 2021; 11:681377. [PMID: 34195082 PMCID: PMC8236851 DOI: 10.3389/fonc.2021.681377] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 05/26/2021] [Indexed: 12/15/2022] Open
Abstract
Higher eukaryotic development is a complex and tightly regulated process, whereby transcription factors (TFs) play a key role in controlling the gene regulatory networks. Dysregulation of these regulatory networks has also been associated with carcinogenesis. Transcription factors are key enablers of cancer stemness, which support the maintenance and function of cancer stem cells that are believed to act as seeds for cancer initiation, progression and metastasis, and treatment resistance. One key area of research is to understand how these factors interact and collaborate to define cellular fate during embryogenesis as well as during tumor development. This review focuses on understanding the role of TFs in cell development and cancer. The molecular mechanisms of cell fate decision are of key importance in efforts towards developing better protocols for directed differentiation of cells in research and medicine. We also discuss the dysregulation of TFs and their role in cancer progression and metastasis, exploring TF networks as direct or indirect targets for therapeutic intervention, as well as specific TFs’ potential as biomarkers for predicting and monitoring treatment responses.
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Affiliation(s)
- Zeyaul Islam
- Diabetes Center, Qatar Biomedical Research Institute (QBRI), Hamad Bin Khalifa University (HBKU), Qatar Foundation, Doha, Qatar
| | - Ameena Mohamed Ali
- Diabetes Center, Qatar Biomedical Research Institute (QBRI), Hamad Bin Khalifa University (HBKU), Qatar Foundation, Doha, Qatar
| | - Adviti Naik
- Translational Cancer and Immunity Center, Qatar Biomedical Research Institute (QBRI), Hamad Bin Khalifa University (HBKU), Qatar Foundation, Doha, Qatar
| | - Mohamed Eldaw
- Diabetes Center, Qatar Biomedical Research Institute (QBRI), Hamad Bin Khalifa University (HBKU), Qatar Foundation, Doha, Qatar
| | - Julie Decock
- Translational Cancer and Immunity Center, Qatar Biomedical Research Institute (QBRI), Hamad Bin Khalifa University (HBKU), Qatar Foundation, Doha, Qatar
| | - Prasanna R Kolatkar
- Diabetes Center, Qatar Biomedical Research Institute (QBRI), Hamad Bin Khalifa University (HBKU), Qatar Foundation, Doha, Qatar
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24
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Singh AK, Verma S, Kushwaha PP, Prajapati KS, Shuaib M, Kumar S, Gupta S. Role of ZBTB7A zinc finger in tumorigenesis and metastasis. Mol Biol Rep 2021; 48:4703-4719. [PMID: 34014468 DOI: 10.1007/s11033-021-06405-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Accepted: 05/08/2021] [Indexed: 02/08/2023]
Abstract
The zinc finger and BTB (broad-complex, tramtrack and bric a brac) domain containing protein 7A (ZBTB7A) is a pleiotropic transcription factor that plays an important role in various stages of cell proliferation, differentiation, and other developmental processes. ZBTB7A is a member of the POK family that directly and specifically binds to short DNA recognition sites located near their target genes thereby acting as transcriptional activator or repressor. ZBTB7A overexpression has been associated with tumorigenesis and metastasis in various human cancer types, including breast, prostate, lung, ovarian, and colon cancer. However in some instances downregulation of ZBTB7A results in tumor progression, suggesting its role as a tumor suppressor. ZBTB7A is involved with complicated regulatory networks which include protein-protein and protein-nucleic acid interactions. ZBTB7A involvement in cancer progression and metastasis is perhaps enabled through the regulation of various signaling pathways depending on the type and genetic context of cancer. The association of ZBTB7A with other proteins affects cancer aggressiveness, therapeutic resistance and clinical outcome. This review focuses on the involvement of ZBTB7A in various signaling pathways and its role in cancer progression. We will also review the literature on ZBTB7A and cancer which could be potentially explored for its therapeutic implications.
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Affiliation(s)
- Atul Kumar Singh
- Molecular Signaling and Drug Discovery Laboratory, Department of Biochemistry, School of Basic and Applied Sciences, Central University of Punjab, Bathinda, 151401, India
| | - Shiv Verma
- Department of Urology, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, OH, 44106, USA.,Department of Urology, The Urology Institute, University Hospitals Cleveland Medical Center, Cleveland, OH, 44106, USA
| | - Prem Prakash Kushwaha
- Molecular Signaling and Drug Discovery Laboratory, Department of Biochemistry, School of Basic and Applied Sciences, Central University of Punjab, Bathinda, 151401, India
| | - Kumari Sunita Prajapati
- Molecular Signaling and Drug Discovery Laboratory, Department of Biochemistry, School of Basic and Applied Sciences, Central University of Punjab, Bathinda, 151401, India
| | - Mohd Shuaib
- Molecular Signaling and Drug Discovery Laboratory, Department of Biochemistry, School of Basic and Applied Sciences, Central University of Punjab, Bathinda, 151401, India
| | - Shashank Kumar
- Molecular Signaling and Drug Discovery Laboratory, Department of Biochemistry, School of Basic and Applied Sciences, Central University of Punjab, Bathinda, 151401, India.
| | - Sanjay Gupta
- Department of Urology, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, OH, 44106, USA. .,Department of Urology, The Urology Institute, University Hospitals Cleveland Medical Center, Cleveland, OH, 44106, USA. .,Department of Nutrition, Case Western Reserve University, Cleveland, OH, 44106, USA. .,Divison of General Medical Sciences, Case Comprehensive Cancer Center, Cleveland, OH, 44106, USA. .,Department of Urology, Louis Stokes Cleveland Veterans Affairs Medical Center, Cleveland, OH, 44106, USA.
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