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Chu YH, Lin JD, Nath S, Schachtrup C. Id proteins: emerging roles in CNS disease and targets for modifying neural stemcell behavior. Cell Tissue Res 2021; 387:433-449. [PMID: 34302526 PMCID: PMC8975794 DOI: 10.1007/s00441-021-03490-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Accepted: 06/18/2021] [Indexed: 12/14/2022]
Abstract
Neural stem/progenitor cells (NSPCs) are found in the adult brain and spinal cord, and endogenous or transplanted NSPCs contribute to repair processes and regulate immune responses in the CNS. However, the molecular mechanisms of NSPC survival and integration as well as their fate determination and functionality are still poorly understood. Inhibitor of DNA binding (Id) proteins are increasingly recognized as key determinants of NSPC fate specification. Id proteins act by antagonizing the DNA-binding activity of basic helix-loop-helix (bHLH) transcription factors, and the balance of Id and bHLH proteins determines cell fate decisions in numerous cell types and developmental stages. Id proteins are central in responses to environmental changes, as they occur in CNS injury and disease, and cellular responses in adult NSPCs implicate Id proteins as prime candidates for manipulating stemcell behavior. Here, we outline recent advances in understanding Id protein pleiotropic functions in CNS diseases and propose an integrated view of Id proteins and their promise as potential targets in modifying stemcell behavior to ameliorate CNS disease.
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Affiliation(s)
- Yu-Hsuan Chu
- Institute of Anatomy and Cell Biology, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Faculty of Biology, University of Freiburg, Freiburg, Germany
| | - Jia-di Lin
- Institute of Anatomy and Cell Biology, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Faculty of Biology, University of Freiburg, Freiburg, Germany
| | - Suvra Nath
- Institute of Anatomy and Cell Biology, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Faculty of Biology, University of Freiburg, Freiburg, Germany
| | - Christian Schachtrup
- Institute of Anatomy and Cell Biology, Faculty of Medicine, University of Freiburg, Freiburg, Germany.
- Center for Basics in NeuroModulation (NeuroModulBasics), Faculty of Medicine, University of Freiburg, Freiburg, Germany.
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Roschger C, Cabrele C. The Id-protein family in developmental and cancer-associated pathways. Cell Commun Signal 2017; 15:7. [PMID: 28122577 PMCID: PMC5267474 DOI: 10.1186/s12964-016-0161-y] [Citation(s) in RCA: 122] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Accepted: 12/29/2016] [Indexed: 01/15/2023] Open
Abstract
Inhibitors of DNA binding and cell differentiation (Id) proteins are members of the large family of the helix-loop-helix (HLH) transcription factors, but they lack any DNA-binding motif. During development, the Id proteins play a key role in the regulation of cell-cycle progression and cell differentiation by modulating different cell-cycle regulators both by direct and indirect mechanisms. Several Id-protein interacting partners have been identified thus far, which belong to structurally and functionally unrelated families, including, among others, the class I and II bHLH transcription factors, the retinoblastoma protein and related pocket proteins, the paired-box transcription factors, and the S5a subunit of the 26 S proteasome. Although the HLH domain of the Id proteins is involved in most of their protein-protein interaction events, additional motifs located in their N-terminal and C-terminal regions are required for the recognition of diverse protein partners. The ability of the Id proteins to interact with structurally different proteins is likely to arise from their conformational flexibility: indeed, these proteins contain intrinsically disordered regions that, in the case of the HLH region, undergo folding upon self- or heteroassociation. Besides their crucial role for cell-fate determination and cell-cycle progression during development, other important cellular events have been related to the Id-protein expression in a number of pathologies. Dysregulated Id-protein expression has been associated with tumor growth, vascularization, invasiveness, metastasis, chemoresistance and stemness, as well as with various developmental defects and diseases. Herein we provide an overview on the structural properties, mode of action, biological function and therapeutic potential of these regulatory proteins.
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Affiliation(s)
- Cornelia Roschger
- Department of Molecular Biology, University of Salzburg, Billrothstrasse 11, Salzburg, 5020, Austria
| | - Chiara Cabrele
- Department of Molecular Biology, University of Salzburg, Billrothstrasse 11, Salzburg, 5020, Austria.
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3
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Cai C, Qin X, Wu Z, Shen Q, Yang W, Zhang S, Duan J, Liang F, Liu C. Inhibitory effect of MyoD on the proliferation of breast cancer cells. Oncol Lett 2016; 11:3589-3596. [PMID: 27284360 PMCID: PMC4887810 DOI: 10.3892/ol.2016.4448] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2015] [Accepted: 02/24/2016] [Indexed: 12/31/2022] Open
Abstract
Skeletal muscle is rich in lymphatic vessels, with an abundant blood supply, and it is an infrequent site of cancer metastasis. Previous studies have demonstrated that enhanced secretion of MyoD may occur when skeletal muscle is injured or becomes cancerous. It was hypothesized that MyoD may act as an endogenous cytokine to inhibit the proliferation of cancer cells. To verify the possible effect of this protein on tumor cell proliferation, C2C12 mouse skeletal muscle cells and 4T1 mouse breast cancer cells were co-cultured using embedded Transwell plates. Following co-culture, cell cycle analysis revealed that C2C12 muscle cells were able to inhibit the proliferation of the breast cancer cells. Subsequently, MyoD was silenced in C2C12 cells to assess its effect on 4T1 cell proliferation. Following co-culture with MyoD-silenced cells, a 5-ethynyl-20-deoxyuridine assay indicated that MyoD silencing prevented the reduction in proliferation of 4T1 cells induced by untransfected C2C12 cells. In summary, the results indicated that MyoD inhibits the proliferation of breast cancer cells and may be a tumor suppressor factor.
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Affiliation(s)
- Changjing Cai
- Physiology Department, Xiangya Medical School, Central South University, Changsha, Hunan 410078, P.R. China
| | - Xiaoqun Qin
- Physiology Department, Xiangya Medical School, Central South University, Changsha, Hunan 410078, P.R. China
| | - Ziyi Wu
- Physiology Department, Xiangya Medical School, Central South University, Changsha, Hunan 410078, P.R. China
| | - Qixia Shen
- Physiology Department, Xiangya Medical School, Central South University, Changsha, Hunan 410078, P.R. China
| | - Wenqian Yang
- Physiology Department, Xiangya Medical School, Central South University, Changsha, Hunan 410078, P.R. China
| | - Shujun Zhang
- Physiology Department, Xiangya Medical School, Central South University, Changsha, Hunan 410078, P.R. China
| | - Jinling Duan
- Physiology Department, Xiangya Medical School, Central South University, Changsha, Hunan 410078, P.R. China
| | - Fenglan Liang
- Physiology Department, Xiangya Medical School, Central South University, Changsha, Hunan 410078, P.R. China
| | - Chi Liu
- Physiology Department, Xiangya Medical School, Central South University, Changsha, Hunan 410078, P.R. China
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Gumireddy K, Li A, Kossenkov AV, Cai KQ, Liu Q, Yan J, Xu H, Showe L, Zhang L, Huang Q. ID1 promotes breast cancer metastasis by S100A9 regulation. Mol Cancer Res 2014; 12:1334-43. [PMID: 24948111 DOI: 10.1158/1541-7786.mcr-14-0049] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
UNLABELLED Metastasis is a major factor responsible for mortality in patients with breast cancer. Inhibitor of DNA binding 1 (Id1) has been shown to play an important role in cell differentiation, tumor angiogenesis, cell invasion, and metastasis. Despite the data establishing Id1 as a critical factor for lung metastasis in breast cancer, the pathways and molecular mechanisms of Id1 functions in metastasis remain to be defined. Here, we show that Id1 interacts with TFAP2A to suppress S100A9 expression. We show that expression of Id1 and S100A9 is inversely correlated in both breast cancer cell lines and clinical samples. We also show that the migratory and invasive phenotypes in vitro and metastasis in vivo induced by Id1 expression are rescued by reestablishment of S100A9 expression. S100A9 also suppresses the expression of known metastasis-promoting factor RhoC activated by Id1 expression. Our results suggest that Id1 promotes breast cancer metastasis by the suppression of S100A9 expression. IMPLICATIONS Novel pathways by Id1 regulation in metastasis.
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Affiliation(s)
| | - Anping Li
- The Wistar Institute, Philadelphia, Pennsylvania
| | | | - Kathy Q Cai
- Cancer Biology Program, Fox Chase Cancer Center, Philadelphia, Pennsylvania
| | - Qin Liu
- The Wistar Institute, Philadelphia, Pennsylvania
| | - Jinchun Yan
- University of Washington Medical Center, Seattle, Washington
| | - Hua Xu
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Sciences and Technology, Wuhan, China. Institute of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Sciences and Technology, Wuhan, China
| | - Louise Showe
- The Wistar Institute, Philadelphia, Pennsylvania
| | - Lin Zhang
- Center for Research on Early Detection and Cure of Ovarian Cancer, University of Pennsylvania, Philadelphia, Pennsylvania. Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Qihong Huang
- The Wistar Institute, Philadelphia, Pennsylvania.
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Lasorella A, Benezra R, Iavarone A. The ID proteins: master regulators of cancer stem cells and tumour aggressiveness. Nat Rev Cancer 2014; 14:77-91. [PMID: 24442143 DOI: 10.1038/nrc3638] [Citation(s) in RCA: 265] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Inhibitor of DNA binding (ID) proteins are transcriptional regulators that control the timing of cell fate determination and differentiation in stem and progenitor cells during normal development and adult life. ID genes are frequently deregulated in many types of human neoplasms, and they endow cancer cells with biological features that are hijacked from normal stem cells. The ability of ID proteins to function as central 'hubs' for the coordination of multiple cancer hallmarks has established these transcriptional regulators as therapeutic targets and biomarkers in specific types of human tumours.
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Affiliation(s)
- Anna Lasorella
- Institute for Cancer Genetics, Department of Pathology and Pediatrics, Columbia University Medical Center, 1130 St. Nicholas Avenue, New York, 10032 New York, USA
| | - Robert Benezra
- Cancer Biology and Genetics Program, Memorial Sloan-Kettering Cancer Center, 1275 York Avenue, Box 241, New York, 10065 New York, USA
| | - Antonio Iavarone
- Institute for Cancer Genetics, Department of Pathology and Neurology, Columbia University Medical Center, 1130 St. Nicholas Avenue, New York, 10032 New York, USA
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