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Murugesan P, Begum H, Tangutur AD. Inhibitor of DNA binding/differentiation proteins as IDs for pancreatic cancer: Role in pancreatic cancer initiation, development and prognosis. Gene 2023; 853:147092. [PMID: 36464175 DOI: 10.1016/j.gene.2022.147092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 11/11/2022] [Accepted: 11/28/2022] [Indexed: 12/03/2022]
Abstract
A family of inhibitors of cell differentiation or DNA-binding proteins, known as ID proteins (ID1-4), function as mighty transcription factors in various cellular processes, such as inhibiting differentiation, promoting cell-cycle progression, senescence, angiogenesis, tumorigenesis, and metastasis in cancer. Pancreatic cancer represents the deadliest cancer with the lowest survival rate of 10% due to the diagnosis at an advanced fatal stage and therapeutic resistance. Modestly, the only curative option for this lethal cancer is surgery but is done in less than 15-20% of patients because of the locally aggressive and early metastatic nature. Finding the earliest biomarkers and targeting the various hallmarks of pancreatic cancer can improve the treatment and survival of pancreatic cancer patients. Therefore, herein in this review, we explore in depth the potential roles of ID proteins function in hallmarks of pancreatic cancer, signaling pathways, and its oncogenic and tumor-suppressive effects. Hence, understanding the roles of dysregulated ID proteins would provide new insights into its function in pancreatic cancer tumorigenesis.
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Affiliation(s)
- Periyasamy Murugesan
- Department of Applied Biology, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India; Academy of Scientific and Innovative Research, Ghaziabad, Uttar Pradesh 201002, India
| | - Habeebunnisa Begum
- Department of Applied Biology, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India; Academy of Scientific and Innovative Research, Ghaziabad, Uttar Pradesh 201002, India
| | - Anjana Devi Tangutur
- Department of Applied Biology, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India; Academy of Scientific and Innovative Research, Ghaziabad, Uttar Pradesh 201002, India.
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Homodimeric and Heterodimeric Interactions among Vertebrate Basic Helix-Loop-Helix Transcription Factors. Int J Mol Sci 2021; 22:ijms222312855. [PMID: 34884664 PMCID: PMC8657788 DOI: 10.3390/ijms222312855] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 11/11/2021] [Accepted: 11/17/2021] [Indexed: 01/01/2023] Open
Abstract
The basic helix–loop–helix transcription factor (bHLH TF) family is involved in tissue development, cell differentiation, and disease. These factors have transcriptionally positive, negative, and inactive functions by combining dimeric interactions among family members. The best known bHLH TFs are the E-protein homodimers and heterodimers with the tissue-specific TFs or ID proteins. These cooperative and dynamic interactions result in a complex transcriptional network that helps define the cell’s fate. Here, the reported dimeric interactions of 67 vertebrate bHLH TFs with other family members are summarized in tables, including specifications of the experimental techniques that defined the dimers. The compilation of these extensive data underscores homodimers of tissue-specific bHLH TFs as a central part of the bHLH regulatory network, with relevant positive and negative transcriptional regulatory roles. Furthermore, some sequence-specific TFs can also form transcriptionally inactive heterodimers with each other. The function, classification, and developmental role for all vertebrate bHLH TFs in four major classes are detailed.
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Jakubison BL, Schweickert PG, Moser SE, Yang Y, Gao H, Scully K, Itkin-Ansari P, Liu Y, Konieczny SF. Induced PTF1a expression in pancreatic ductal adenocarcinoma cells activates acinar gene networks, reduces tumorigenic properties, and sensitizes cells to gemcitabine treatment. Mol Oncol 2018; 12:1104-1124. [PMID: 29719936 PMCID: PMC6026875 DOI: 10.1002/1878-0261.12314] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2018] [Revised: 04/17/2018] [Accepted: 04/18/2018] [Indexed: 12/11/2022] Open
Abstract
Pancreatic acinar cells synthesize, package, and secrete digestive enzymes into the duodenum to aid in nutrient absorption and meet metabolic demands. When exposed to cellular stresses and insults, acinar cells undergo a dedifferentiation process termed acinar-ductal metaplasia (ADM). ADM lesions with oncogenic mutations eventually give rise to pancreatic ductal adenocarcinoma (PDAC). In healthy pancreata, the basic helix-loop-helix (bHLH) factors MIST1 and PTF1a coordinate an acinar-specific transcription network that maintains the highly developed differentiation status of the cells, protecting the pancreas from undergoing a transformative process. However, when MIST1 and PTF1a gene expression is silenced, cells are more prone to progress to PDAC. In this study, we tested whether induced MIST1 or PTF1a expression in PDAC cells could (i) re-establish the transcriptional program of differentiated acinar cells and (ii) simultaneously reduce tumor cell properties. As predicted, PTF1a induced gene expression of digestive enzymes and acinar-specific transcription factors, while MIST1 induced gene expression of vesicle trafficking molecules as well as activation of unfolded protein response components, all of which are essential to handle the high protein production load that is characteristic of acinar cells. Importantly, induction of PTF1a in PDAC also influenced cancer-associated properties, leading to a decrease in cell proliferation, cancer stem cell numbers, and repression of key ATP-binding cassette efflux transporters resulting in heightened sensitivity to gemcitabine. Thus, activation of pancreatic bHLH transcription factors rescues the acinar gene program and decreases tumorigenic properties in pancreatic cancer cells, offering unique opportunities to develop novel therapeutic intervention strategies for this deadly disease.
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Affiliation(s)
- Brad L Jakubison
- Department of Biological Sciences, Purdue University, West Lafayette, IN, USA.,Bindley Bioscience Center, Purdue University, West Lafayette, IN, USA.,Purdue University Center for Cancer Research, Purdue University, West Lafayette, IN, USA
| | - Patrick G Schweickert
- Department of Biological Sciences, Purdue University, West Lafayette, IN, USA.,Bindley Bioscience Center, Purdue University, West Lafayette, IN, USA.,Purdue University Center for Cancer Research, Purdue University, West Lafayette, IN, USA
| | - Sarah E Moser
- Department of Biological Sciences, Purdue University, West Lafayette, IN, USA.,Bindley Bioscience Center, Purdue University, West Lafayette, IN, USA.,Purdue University Center for Cancer Research, Purdue University, West Lafayette, IN, USA
| | - Yi Yang
- Department of Biological Sciences, Purdue University, West Lafayette, IN, USA.,Bindley Bioscience Center, Purdue University, West Lafayette, IN, USA.,Purdue University Center for Cancer Research, Purdue University, West Lafayette, IN, USA
| | - Hongyu Gao
- Laboratory for Computational Genomics, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Kathleen Scully
- Development and Aging Program, Sanford-Burnham Medical Research Institute, La Jolla, CA, USA
| | - Pamela Itkin-Ansari
- Development and Aging Program, Sanford-Burnham Medical Research Institute, La Jolla, CA, USA
| | - Yunlong Liu
- Laboratory for Computational Genomics, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Stephen F Konieczny
- Department of Biological Sciences, Purdue University, West Lafayette, IN, USA.,Bindley Bioscience Center, Purdue University, West Lafayette, IN, USA.,Purdue University Center for Cancer Research, Purdue University, West Lafayette, IN, USA
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