1
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Patrick R, Naval-Sanchez M, Deshpande N, Huang Y, Zhang J, Chen X, Yang Y, Tiwari K, Esmaeili M, Tran M, Mohamed AR, Wang B, Xia D, Ma J, Bayliss J, Wong K, Hun ML, Sun X, Cao B, Cottle DL, Catterall T, Barzilai-Tutsch H, Troskie RL, Chen Z, Wise AF, Saini S, Soe YM, Kumari S, Sweet MJ, Thomas HE, Smyth IM, Fletcher AL, Knoblich K, Watt MJ, Alhomrani M, Alsanie W, Quinn KM, Merson TD, Chidgey AP, Ricardo SD, Yu D, Jardé T, Cheetham SW, Marcelle C, Nilsson SK, Nguyen Q, White MD, Nefzger CM. The activity of early-life gene regulatory elements is hijacked in aging through pervasive AP-1-linked chromatin opening. Cell Metab 2024; 36:1858-1881.e23. [PMID: 38959897 DOI: 10.1016/j.cmet.2024.06.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 03/28/2024] [Accepted: 06/06/2024] [Indexed: 07/05/2024]
Abstract
A mechanistic connection between aging and development is largely unexplored. Through profiling age-related chromatin and transcriptional changes across 22 murine cell types, analyzed alongside previous mouse and human organismal maturation datasets, we uncovered a transcription factor binding site (TFBS) signature common to both processes. Early-life candidate cis-regulatory elements (cCREs), progressively losing accessibility during maturation and aging, are enriched for cell-type identity TFBSs. Conversely, cCREs gaining accessibility throughout life have a lower abundance of cell identity TFBSs but elevated activator protein 1 (AP-1) levels. We implicate TF redistribution toward these AP-1 TFBS-rich cCREs, in synergy with mild downregulation of cell identity TFs, as driving early-life cCRE accessibility loss and altering developmental and metabolic gene expression. Such remodeling can be triggered by elevating AP-1 or depleting repressive H3K27me3. We propose that AP-1-linked chromatin opening drives organismal maturation by disrupting cell identity TFBS-rich cCREs, thereby reprogramming transcriptome and cell function, a mechanism hijacked in aging through ongoing chromatin opening.
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Affiliation(s)
- Ralph Patrick
- Institute for Molecular Bioscience, The University of Queensland, St. Lucia, Brisbane, QLD 4072, Australia
| | - Marina Naval-Sanchez
- Institute for Molecular Bioscience, The University of Queensland, St. Lucia, Brisbane, QLD 4072, Australia
| | - Nikita Deshpande
- Institute for Molecular Bioscience, The University of Queensland, St. Lucia, Brisbane, QLD 4072, Australia; WHO Collaborating Centre for Reference and Research on Influenza, The Peter Doherty Institute for Infection and Immunity, Melbourne, VIC 3000, Australia
| | - Yifei Huang
- Institute for Molecular Bioscience, The University of Queensland, St. Lucia, Brisbane, QLD 4072, Australia
| | - Jingyu Zhang
- Institute for Molecular Bioscience, The University of Queensland, St. Lucia, Brisbane, QLD 4072, Australia
| | - Xiaoli Chen
- Institute for Molecular Bioscience, The University of Queensland, St. Lucia, Brisbane, QLD 4072, Australia
| | - Ying Yang
- Institute for Molecular Bioscience, The University of Queensland, St. Lucia, Brisbane, QLD 4072, Australia
| | - Kanupriya Tiwari
- Institute for Molecular Bioscience, The University of Queensland, St. Lucia, Brisbane, QLD 4072, Australia
| | - Mohammadhossein Esmaeili
- Institute for Molecular Bioscience, The University of Queensland, St. Lucia, Brisbane, QLD 4072, Australia
| | - Minh Tran
- Institute for Molecular Bioscience, The University of Queensland, St. Lucia, Brisbane, QLD 4072, Australia
| | - Amin R Mohamed
- Institute for Molecular Bioscience, The University of Queensland, St. Lucia, Brisbane, QLD 4072, Australia
| | - Binxu Wang
- Institute for Molecular Bioscience, The University of Queensland, St. Lucia, Brisbane, QLD 4072, Australia
| | - Di Xia
- Genome Innovation Hub, The University of Queensland, St. Lucia, Brisbane, QLD 4072, Australia
| | - Jun Ma
- Genome Innovation Hub, The University of Queensland, St. Lucia, Brisbane, QLD 4072, Australia
| | - Jacqueline Bayliss
- Department of Anatomy and Physiology, Faculty of Medicine Dentistry and Health Sciences, The University of Melbourne, Parkville, VIC 3010, Australia
| | - Kahlia Wong
- Department of Anatomy and Developmental Biology, Monash Biomedicine Discovery Institute, Monash University, Clayton, VIC 3800, Australia
| | - Michael L Hun
- Department of Anatomy and Developmental Biology, Monash Biomedicine Discovery Institute, Monash University, Clayton, VIC 3800, Australia
| | - Xuan Sun
- Biomedical Manufacturing, Commonwealth Scientific and Industrial Research Organization, Melbourne, VIC, Australia; Australian Regenerative Medicine Institute, Monash University, Clayton, VIC 3800, Australia
| | - Benjamin Cao
- Biomedical Manufacturing, Commonwealth Scientific and Industrial Research Organization, Melbourne, VIC, Australia; Australian Regenerative Medicine Institute, Monash University, Clayton, VIC 3800, Australia
| | - Denny L Cottle
- Department of Anatomy and Developmental Biology, Monash Biomedicine Discovery Institute, Monash University, Clayton, VIC 3800, Australia
| | - Tara Catterall
- St. Vincent's Institute of Medical Research, Fitzroy, VIC 3065, Australia
| | - Hila Barzilai-Tutsch
- Australian Regenerative Medicine Institute, Monash University, Clayton, VIC 3800, Australia; Institut NeuroMyoGène, University Claude Bernard Lyon 1, 69008 Lyon, France
| | - Robin-Lee Troskie
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St. Lucia, Brisbane, QLD 4072, Australia
| | - Zhian Chen
- Frazer Institute, Faculty of Medicine, The University of Queensland, Brisbane, QLD 4102, Australia
| | - Andrea F Wise
- Department of Pharmacology, Monash Biomedicine Discovery Institute, Monash University, Clayton, VIC 3800, Australia
| | - Sheetal Saini
- Department of Pharmacology, Monash Biomedicine Discovery Institute, Monash University, Clayton, VIC 3800, Australia
| | - Ye Mon Soe
- Frazer Institute, Faculty of Medicine, The University of Queensland, Brisbane, QLD 4102, Australia
| | - Snehlata Kumari
- Frazer Institute, Faculty of Medicine, The University of Queensland, Brisbane, QLD 4102, Australia
| | - Matthew J Sweet
- Institute for Molecular Bioscience, The University of Queensland, St. Lucia, Brisbane, QLD 4072, Australia; Australian Infectious Diseases Research Centre, The University of Queensland, Brisbane, QLD, Australia
| | - Helen E Thomas
- St. Vincent's Institute of Medical Research, Fitzroy, VIC 3065, Australia
| | - Ian M Smyth
- Department of Anatomy and Developmental Biology, Monash Biomedicine Discovery Institute, Monash University, Clayton, VIC 3800, Australia
| | - Anne L Fletcher
- Department of Biochemistry and Molecular Biology, Monash Biomedicine Discovery Institute, Monash University, Clayton, VIC 3800, Australia
| | - Konstantin Knoblich
- Department of Biochemistry and Molecular Biology, Monash Biomedicine Discovery Institute, Monash University, Clayton, VIC 3800, Australia
| | - Matthew J Watt
- Department of Anatomy and Physiology, Faculty of Medicine Dentistry and Health Sciences, The University of Melbourne, Parkville, VIC 3010, Australia
| | - Majid Alhomrani
- Department of Clinical Laboratories Sciences, Faculty of Applied Medical Sciences, Taif University, Taif, Saudi Arabia; Research Centre for Health Sciences, Taif University, Taif, Saudi Arabia
| | - Walaa Alsanie
- Department of Clinical Laboratories Sciences, Faculty of Applied Medical Sciences, Taif University, Taif, Saudi Arabia; Research Centre for Health Sciences, Taif University, Taif, Saudi Arabia
| | - Kylie M Quinn
- Department of Biochemistry and Molecular Biology, Monash Biomedicine Discovery Institute, Monash University, Clayton, VIC 3800, Australia; School of Health and Biomedical Sciences, RMIT University, Bundoora, VIC 3083, Australia
| | - Tobias D Merson
- Australian Regenerative Medicine Institute, Monash University, Clayton, VIC 3800, Australia; National Institute of Mental Health, National Institutes of Health, Bethesda, MD 20892, USA
| | - Ann P Chidgey
- Department of Anatomy and Developmental Biology, Monash Biomedicine Discovery Institute, Monash University, Clayton, VIC 3800, Australia
| | - Sharon D Ricardo
- Department of Pharmacology, Monash Biomedicine Discovery Institute, Monash University, Clayton, VIC 3800, Australia
| | - Di Yu
- Frazer Institute, Faculty of Medicine, The University of Queensland, Brisbane, QLD 4102, Australia; Ian Frazer Centre for Children's Immunotherapy Research, Child Health Research Centre, Faculty of Medicine, The University of Queensland, Brisbane, QLD 4102, Australia
| | - Thierry Jardé
- Department of Anatomy and Developmental Biology, Monash Biomedicine Discovery Institute, Monash University, Clayton, VIC 3800, Australia; Development and Stem Cells Program, Monash Biomedicine Discovery Institute, Monash University, Clayton, VIC 3800, Australia; Cancer Program, Monash Biomedicine Discovery Institute, Monash University, Clayton, VIC 3800, Australia; Department of Surgery, Cabrini Monash University, Malvern, VIC 3144, Australia
| | - Seth W Cheetham
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St. Lucia, Brisbane, QLD 4072, Australia
| | - Christophe Marcelle
- Australian Regenerative Medicine Institute, Monash University, Clayton, VIC 3800, Australia; Institut NeuroMyoGène, University Claude Bernard Lyon 1, 69008 Lyon, France
| | - Susan K Nilsson
- Biomedical Manufacturing, Commonwealth Scientific and Industrial Research Organization, Melbourne, VIC, Australia; Australian Regenerative Medicine Institute, Monash University, Clayton, VIC 3800, Australia
| | - Quan Nguyen
- Institute for Molecular Bioscience, The University of Queensland, St. Lucia, Brisbane, QLD 4072, Australia; School of Biomedical Sciences, The University of Queensland, St. Lucia, Brisbane, QLD 4072, Australia
| | - Melanie D White
- Institute for Molecular Bioscience, The University of Queensland, St. Lucia, Brisbane, QLD 4072, Australia; School of Biomedical Sciences, The University of Queensland, St. Lucia, Brisbane, QLD 4072, Australia
| | - Christian M Nefzger
- Institute for Molecular Bioscience, The University of Queensland, St. Lucia, Brisbane, QLD 4072, Australia; Department of Anatomy and Developmental Biology, Monash Biomedicine Discovery Institute, Monash University, Clayton, VIC 3800, Australia; Development and Stem Cells Program, Monash Biomedicine Discovery Institute, Monash University, Clayton, VIC 3800, Australia; School of Chemistry and Molecular Biosciences, The University of Queensland, St. Lucia, Brisbane, QLD 4072, Australia.
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2
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Mathisen AF, Legøy TA, Larsen U, Unger L, Abadpour S, Paulo JA, Scholz H, Ghila L, Chera S. The age-dependent regulation of pancreatic islet landscape is fueled by a HNF1a-immune signaling loop. Mech Ageing Dev 2024; 220:111951. [PMID: 38825059 DOI: 10.1016/j.mad.2024.111951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 04/30/2024] [Accepted: 05/21/2024] [Indexed: 06/04/2024]
Abstract
Animal longevity is a function of global vital organ functionality and, consequently, a complex polygenic trait. Yet, monogenic regulators controlling overall or organ-specific ageing exist, owing their conservation to their function in growth and development. Here, by using pathway analysis combined with wet-biology methods on several dynamic timelines, we identified Hnf1a as a novel master regulator of the maturation and ageing in the adult pancreatic islet during the first year of life. Conditional transgenic mice bearing suboptimal levels of this transcription factor in the pancreatic islets displayed age-dependent changes, with a profile echoing precocious maturation. Additionally, the comparative pathway analysis revealed a link between Hnf1a age-dependent regulation and immune signaling, which was confirmed in the ageing timeline of an overly immunodeficient mouse model. Last, the global proteome analysis of human islets spanning three decades of life largely backed the age-specific regulation observed in mice. Collectively, our results suggest a novel role of Hnf1a as a monogenic regulator of the maturation and ageing process in the pancreatic islet via a direct or indirect regulatory loop with immune signaling.
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Affiliation(s)
- Andreas Frøslev Mathisen
- Mohn Research Center for Diabetes Precision Medicine, Department of Clinical Science, University of Bergen, Bergen, Norway
| | - Thomas Aga Legøy
- Mohn Research Center for Diabetes Precision Medicine, Department of Clinical Science, University of Bergen, Bergen, Norway
| | - Ulrik Larsen
- Mohn Research Center for Diabetes Precision Medicine, Department of Clinical Science, University of Bergen, Bergen, Norway
| | - Lucas Unger
- Mohn Research Center for Diabetes Precision Medicine, Department of Clinical Science, University of Bergen, Bergen, Norway
| | - Shadab Abadpour
- Hybrid Technology Hub-Centre of Excellence, Faculty of Medicine, University of Oslo, Norway; Institute for Surgical Research, Department of Transplant Medicine, Oslo University Hospital, Oslo, Norway
| | - Joao A Paulo
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Hanne Scholz
- Hybrid Technology Hub-Centre of Excellence, Faculty of Medicine, University of Oslo, Norway; Institute for Surgical Research, Department of Transplant Medicine, Oslo University Hospital, Oslo, Norway
| | - Luiza Ghila
- Mohn Research Center for Diabetes Precision Medicine, Department of Clinical Science, University of Bergen, Bergen, Norway
| | - Simona Chera
- Mohn Research Center for Diabetes Precision Medicine, Department of Clinical Science, University of Bergen, Bergen, Norway.
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3
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Yaniv M. François Gros: from antibiotics to messenger RNA. C R Biol 2024; 346:15-19. [PMID: 38113089 DOI: 10.5802/crbiol.130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Accepted: 10/11/2023] [Indexed: 12/21/2023]
Abstract
François Gros was a prominent French Molecular Biologist who made a major contribution to the discovery of messenger RNA in 1961. He pursued outstanding research on bacterial mRNA and its translation into proteins followed by pioneering work on muscle differentiation. I was lucky to be among his graduate students and owe much of my success in science to him. In this short text I will describe how the initial post-war studies of François guided him to discover the existence of short-lived RNA in bacteria, the messenger RNA containing the information for protein synthesis. I will also recount the influence he had on his students and their carrier in science.
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4
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Zhou L, Montalvo AD, Collins JM, Wang D. Quantitative analysis of the UDP-glucuronosyltransferase transcriptome in human tissues. Pharmacol Res Perspect 2023; 11:e01154. [PMID: 37983911 PMCID: PMC10659769 DOI: 10.1002/prp2.1154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 10/20/2023] [Accepted: 10/22/2023] [Indexed: 11/22/2023] Open
Abstract
UDP-glucuronosyltransferases (UGTs) are phase II drug metabolizing enzymes that play important roles in the detoxification of endogenous and exogenous substrates. The 22 human UGTs belong to four families (UGT1, UGT2, UGT3, and UGT8) and differ in their expression, substrate specificity, UDP-sugar preference, and physiological functions. Differential expression/activity of the UGTs contributes to interperson variability in drug responses and toxicity, hormone homeostasis, and disease/cancer risks. However, in normal tissues, the tissue-specific expression profiles and transcriptional regulation of the UGTs are still not fully understood. In this study, we comprehensively analyzed the transcriptome of 22 UGTs in 54 human tissues/regions using RNAseq data from GTEx. We then validated the findings in the liver and small intestine samples using real-time PCR. Our results showed large interindividual variability across tissues in the expression of each UGT and the overall composition of UGT pools, consisting of different UGTs and their splice isoforms. Our results also revealed coexpression of the UGTs, Cytochrome P450s, and many transcription factors in the liver, suggesting potential coregulation or functional coordination. Our results provide the groundwork for future studies to detail further the regulation of the expression and activity of the UGTs.
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Affiliation(s)
- Lucas Zhou
- Department of Pharmacotherapy and Translational Research, College of Pharmacy, Center for PharmacogenomicsUniversity of FloridaGainesvilleFloridaUSA
| | - Abelardo D. Montalvo
- Department of Pharmacotherapy and Translational Research, College of Pharmacy, Center for PharmacogenomicsUniversity of FloridaGainesvilleFloridaUSA
| | - Joseph M. Collins
- Department of Pharmacotherapy and Translational Research, College of Pharmacy, Center for PharmacogenomicsUniversity of FloridaGainesvilleFloridaUSA
| | - Danxin Wang
- Department of Pharmacotherapy and Translational Research, College of Pharmacy, Center for PharmacogenomicsUniversity of FloridaGainesvilleFloridaUSA
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5
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Chu Y, Zhao L, Liu X, Chen H, Zhao C, Chen S, Xiang S, Lu J, Wang X, Wan Y, Dong D, Yao S, Li C, Yin R, Ren G, Yang X, Yu M. Lysine 117 Residue Is Essential for the Function of the Hepatocyte Nuclear Factor 1α. Diabetes 2023; 72:1502-1516. [PMID: 37440709 DOI: 10.2337/db22-0672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Accepted: 06/26/2023] [Indexed: 07/15/2023]
Abstract
Hepatocyte nuclear factor 1α (HNF1α) plays essential roles in controlling development and metabolism; its mutations are clearly linked to the occurrence of maturity-onset diabetes of the young (MODY3) in humans. Lysine 117 (K117) to glutamic acid (E117) mutation in the HNF1α gene has been clinically associated with MODY3, but no functional data on this variant are available. Here, we addressed the role of lysine 117 in HNF1α function using a knock-in animal model and site-directed mutagenesis. HNF1α K117E homozygous mice exhibited dwarfism, hepatic dysfunction, renal Fanconi syndrome, and progressive wasting syndrome. These phenotypes were very similar to those of mice with complete HNF1α deficiency, suggesting that K117 is critical to HNF1α functions. K117E homozygotes developed diabetes in the early postnatal period. The relative deficiency of serum insulin levels and the normal response to insulin treatment in homozygous mice were markedly similar to those in the MODY3 disorder in humans. Moreover, K117E heterozygous mutant causes age-dependent glucose intolerance, which is similar to the pathogenesis of MODY3 as well. K117 mutants significantly reduced the overall transactivation and DNA binding capacity of HNF1α by disrupting dimerization. Collectively, our findings reveal a previously unappreciated role of POU domain of HNF1α in homodimerization and provide important clues for identifying the molecular basis of HNF1α-related diseases such as MODY3. ARTICLE HIGHLIGHTS HNF1α K117E homozygous mice exhibited dwarfism, hepatic dysfunction, renal Fanconi syndrome, and progressive wasting syndrome. K117E homozygotes developed diabetes in the early postnatal period. K117E heterozygous mutant causes age-dependent glucose intolerance, which is similar to the pathogenesis of maturity-onset diabetes of the young. K117 mutants significantly reduced the overall transactivation and DNA binding capacity of HNF1α by disrupting dimerization.
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Affiliation(s)
- Yuan Chu
- State Key Laboratory of Proteomics, Beijing Institute of Radiation Medicine, Beijing, China
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, China
| | - Long Zhao
- State Key Laboratory of Proteomics, Beijing Institute of Radiation Medicine, Beijing, China
| | - Xian Liu
- State Key Laboratory of Proteomics, Beijing Institute of Radiation Medicine, Beijing, China
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, China
| | - Hui Chen
- State Key Laboratory of Proteomics, Beijing Institute of Radiation Medicine, Beijing, China
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, China
| | - Chen Zhao
- State Key Laboratory of Proteomics, Beijing Institute of Radiation Medicine, Beijing, China
- Department of Hygienic Toxicology and Environmental Hygiene, Tianjin Institute of Environmental and Operational Medicine, Tianjin, China
| | - Sicong Chen
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, China
| | - Shensi Xiang
- State Key Laboratory of Proteomics, Beijing Institute of Radiation Medicine, Beijing, China
| | - Jun Lu
- Hepatology and Cancer Biotherapy Ward, Beijing YouAn Hospital, Capital Medical University, Beijing, China
| | - Xiaofang Wang
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, China
- Institute of Life Sciences, He Bei University, Baoding, China
| | - Yue Wan
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, China
- School of Basic Medical Sciences, An Hui Medical University, Hefei, China
| | - Diandian Dong
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, China
- Institute of Life Sciences, He Bei University, Baoding, China
| | - Songhui Yao
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, China
| | - Changyan Li
- State Key Laboratory of Proteomics, Beijing Institute of Radiation Medicine, Beijing, China
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, China
- School of Basic Medical Sciences, An Hui Medical University, Hefei, China
| | - Ronghua Yin
- State Key Laboratory of Proteomics, Beijing Institute of Radiation Medicine, Beijing, China
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, China
| | - Guangming Ren
- State Key Laboratory of Proteomics, Beijing Institute of Radiation Medicine, Beijing, China
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, China
| | - Xiaoming Yang
- State Key Laboratory of Proteomics, Beijing Institute of Radiation Medicine, Beijing, China
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, China
| | - Miao Yu
- State Key Laboratory of Proteomics, Beijing Institute of Radiation Medicine, Beijing, China
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, China
- Institute of Life Sciences, He Bei University, Baoding, China
- School of Basic Medical Sciences, An Hui Medical University, Hefei, China
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6
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Chan JW, Neo CWY, Ghosh S, Choi H, Lim SC, Tai ES, Teo AKK. HNF1A binds and regulates the expression of SLC51B to facilitate the uptake of estrone sulfate in human renal proximal tubule epithelial cells. Cell Death Dis 2023; 14:302. [PMID: 37137894 PMCID: PMC10156747 DOI: 10.1038/s41419-023-05827-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 04/19/2023] [Accepted: 04/21/2023] [Indexed: 05/05/2023]
Abstract
Renal defects in maturity onset diabetes of the young 3 (MODY3) patients and Hnf1a-/- mice suggest an involvement of HNF1A in kidney development and/or its function. Although numerous studies have leveraged on Hnf1α-/- mice to infer some transcriptional targets and function of HNF1A in mouse kidneys, species-specific differences obviate a straightforward extrapolation of findings to the human kidney. Additionally, genome-wide targets of HNF1A in human kidney cells have yet to be identified. Here, we leveraged on human in vitro kidney cell models to characterize the expression profile of HNF1A during renal differentiation and in adult kidney cells. We found HNF1A to be increasingly expressed during renal differentiation, with peak expression on day 28 in the proximal tubule cells. HNF1A ChIP-Sequencing (ChIP-Seq) performed on human pluripotent stem cell (hPSC)-derived kidney organoids identified its genome-wide putative targets. Together with a qPCR screen, we found HNF1A to activate the expression of SLC51B, CD24, and RNF186 genes. Importantly, HNF1A-depleted human renal proximal tubule epithelial cells (RPTECs) and MODY3 human induced pluripotent stem cell (hiPSC)-derived kidney organoids expressed lower levels of SLC51B. SLC51B-mediated estrone sulfate (E1S) uptake in proximal tubule cells was abrogated in these HNF1A-deficient cells. MODY3 patients also exhibit significantly higher excretion of urinary E1S. Overall, we report that SLC51B is a target of HNF1A responsible for E1S uptake in human proximal tubule cells. As E1S serves as the main storage form of nephroprotective estradiol in the human body, lowered E1S uptake and increased E1S excretion may reduce the availability of nephroprotective estradiol in the kidneys, contributing to the development of renal disease in MODY3 patients.
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Affiliation(s)
- Jun Wei Chan
- Stem Cells and Diabetes Laboratory, Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), Singapore, 138673, Singapore
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 119228, Singapore
| | - Claire Wen Ying Neo
- Stem Cells and Diabetes Laboratory, Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), Singapore, 138673, Singapore
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 119228, Singapore
| | - Soumita Ghosh
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 119228, Singapore
| | - Hyungwon Choi
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 119228, Singapore
| | - Su Chi Lim
- Khoo Teck Puat Hospital, Singapore, 768828, Singapore
- Saw Swee Hock School of Public Health, National University of Singapore, Singapore, 117549, Singapore
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, 308232, Singapore
| | - E Shyong Tai
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 119228, Singapore
- Saw Swee Hock School of Public Health, National University of Singapore, Singapore, 117549, Singapore
- Precision Medicine Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 119228, Singapore
| | - Adrian Kee Keong Teo
- Stem Cells and Diabetes Laboratory, Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), Singapore, 138673, Singapore.
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 119228, Singapore.
- Precision Medicine Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 119228, Singapore.
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117596, Singapore.
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7
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Firdous P, Nissar K, Masoodi SR, Wani JA, Hassan T, Ganai BA. HNF1α upregulation and promoter hypermethylation as a cause of glucose dysregulation: a case-control study of Kashmiri MODY population. J Endocrinol Invest 2023; 46:915-926. [PMID: 36331708 DOI: 10.1007/s40618-022-01953-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 10/25/2022] [Indexed: 11/06/2022]
Abstract
AIM HNF1α transcription factor regulates a network of genes involved in the development of β-cells and also serves as a model for transcription defects in pancreatic β-cells; mutations in this gene cause MODY. The goal of this study was to assess the promoter methylation and expression profile of the most common MODY causing gene, HNF1α, in Kashmiri MODY patients, as factors responsible for glucose dysregulation, as no such study had been performed on MODY patients in Kashmir previously. METHODS The study included 85 Kashmiri subjects. Samples were extracted for DNA and RNA using standard protocols. The HNF1α promoter methylation profile was assessed by bisulfite conversion of the DNA followed by MSP, whereas qPCR was used for expression analysis. RESULTS The expression of HNF1α was found to be upregulated (p value 0.0349*) in majority of MODY (60%) and T1D (72%) cases (p value 0.0349*). HNF1α expression was 1.33-fold higher in MODY cases with hypermethylated HNF1α promoters (p value 0.0360*). HNF1α expression was upregulated by 2.3-fold in MODY patients with HbA1c levels > 7% (p value 0.0025**). MODY cases with FBS levels > 7.7 mmol/l were upregulated by 0.646-fold than those with FBS levels ≤ 7.7 mmol/l (p value 0.0161*). CONCLUSION In this study, we found that as glucose dysregulation progresses, blood FBS, RBS, and HbA1c levels rise, and that at higher levels, HNF1α expression rises as well. From the results obtained, we may conclude that HNF1α is strongly upregulated in MODY, thus indicating the deleterious effect of over expression of HNF1α gene on glucose regulation.
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Affiliation(s)
- P Firdous
- Centre of Research for Development (CORD), University of Kashmir, Srinagar, Jammu and Kashmir, 190006, India
| | - K Nissar
- Centre of Research for Development (CORD), University of Kashmir, Srinagar, Jammu and Kashmir, 190006, India
- Department of Biochemistry, University of Kashmir, Srinagar, Jammu and Kashmir, 190006, India
| | - S R Masoodi
- Department of Endocrinology, SKIMS, Srinagar, Jammu and Kashmir, 190011, India
| | - J A Wani
- Department of Biochemistry, University of Kashmir, Srinagar, Jammu and Kashmir, 190006, India
| | - T Hassan
- Centre of Research for Development (CORD), University of Kashmir, Srinagar, Jammu and Kashmir, 190006, India
| | - B A Ganai
- Centre of Research for Development (CORD), University of Kashmir, Srinagar, Jammu and Kashmir, 190006, India.
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8
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Shi Z, Pang Y, Xu X, Lai W, Cao X, Mai K, Ai Q. Comparative analysis of nutritional and transcriptional regulation of hacd1 in large yellow croaker (Larimichthys crocea) and rainbow trout (Oncorhynchus mykiss). Comp Biochem Physiol B Biochem Mol Biol 2023; 266:110850. [PMID: 36990141 DOI: 10.1016/j.cbpb.2023.110850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 03/26/2023] [Accepted: 03/26/2023] [Indexed: 03/30/2023]
Abstract
3-hydroxyacyl-CoA dehydratases 1 (Hacd1) is a critical enzyme in long-chain polyunsaturated fatty acids (LC-PUFA) biosynthesis. The difference in expression of hacd1 might account for the stronger capacity of LC-PUFA biosynthesis in freshwater fish than in marine fish, but little is known about fish hacd1. Therefore, this study compared the responses of large yellow croaker and rainbow trout hacd1 to different oil sources or fatty acids, and also examined transcriptional regulation of this gene. In this study, hacd1 was highly expressed in the liver of large yellow croaker and rainbow trout, which is the main organ for LC-PUFA biosynthesis. Therefore, we cloned the hacd1 coding sequence, with a phylogenetic analysis showing that this gene is evolutionarily conserved. Its localization to the endoplasmic reticulum (ER), likely also indicates a conserved structure and function. The expression of hacd1 in the liver was significantly decreased after the substitution of soybean oil (SO) for fish oil but was not significantly affected after palm oil (PO) substitution. Linoleic acid (LA) incubation significantly promoted hacd1 expression in primary hepatocytes of large yellow croaker and eicosapentaenoic acid (EPA) incubation significantly promoted hacd1 expression in primary hepatocytes of rainbow trout. Transcription factors STAT4, C/EBPα, C/EBPβ, HNF1, HSF3 and FOXP3 were identified in both large yellow croaker and rainbow trout. HNF1 had a stronger activation effect in rainbow trout than in large yellow croaker. FOXP3 inhibited hacd1 promoter activity in large yellow croaker but had no effect in rainbow trout. Therefore, the differences between HNF1 and FOXP3 affected the expression of hacd1 in the liver thus being responsible for the high capacity of LC-PUFA biosynthesis in rainbow trout.
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9
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Transcription networks in liver development and acute liver failure. LIVER RESEARCH 2022. [DOI: 10.1016/j.livres.2022.11.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
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10
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Bonner C, Saponaro C. Where to for precision treatment of HNF1A-MODY? Diabetologia 2022; 65:1825-1829. [PMID: 35412067 DOI: 10.1007/s00125-022-05696-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 02/16/2022] [Indexed: 11/03/2022]
Affiliation(s)
- Caroline Bonner
- Inserm, CHU Lille, Institut Pasteur de Lille, University of Lille, Lille, France.
| | - Chiara Saponaro
- Inserm, CHU Lille, Institut Pasteur de Lille, University of Lille, Lille, France
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11
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Beucher A, Miguel-Escalada I, Balboa D, De Vas MG, Maestro MA, Garcia-Hurtado J, Bernal A, Gonzalez-Franco R, Vargiu P, Heyn H, Ravassard P, Ortega S, Ferrer J. The HASTER lncRNA promoter is a cis-acting transcriptional stabilizer of HNF1A. Nat Cell Biol 2022; 24:1528-1540. [PMID: 36202974 PMCID: PMC9586874 DOI: 10.1038/s41556-022-00996-8] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 08/16/2022] [Indexed: 11/08/2022]
Abstract
The biological purpose of long non-coding RNAs (lncRNAs) is poorly understood. Haploinsufficient mutations in HNF1A homeobox A (HNF1A), encoding a homeodomain transcription factor, cause diabetes mellitus. Here, we examine HASTER, the promoter of an lncRNA antisense to HNF1A. Using mouse and human models, we show that HASTER maintains cell-specific physiological HNF1A concentrations through positive and negative feedback loops. Pancreatic β cells from Haster mutant mice consequently showed variegated HNF1A silencing or overexpression, resulting in hyperglycaemia. HASTER-dependent negative feedback was essential to prevent HNF1A binding to inappropriate genomic regions. We demonstrate that the HASTER promoter DNA, rather than the lncRNA, modulates HNF1A promoter-enhancer interactions in cis and thereby regulates HNF1A transcription. Our studies expose a cis-regulatory element that is unlike classic enhancers or silencers, it stabilizes the transcription of its target gene and ensures the fidelity of a cell-specific transcription factor program. They also show that disruption of a mammalian lncRNA promoter can cause diabetes mellitus.
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Affiliation(s)
- Anthony Beucher
- Section of Genetics and Genomics, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK.
- Centre for Genomic Regulation, Barcelona Institute of Science and Technology, Barcelona, Spain.
| | - Irene Miguel-Escalada
- Section of Genetics and Genomics, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
- Centre for Genomic Regulation, Barcelona Institute of Science and Technology, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas, Madrid, Spain
| | - Diego Balboa
- Centre for Genomic Regulation, Barcelona Institute of Science and Technology, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas, Madrid, Spain
| | - Matías G De Vas
- Section of Genetics and Genomics, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Miguel Angel Maestro
- Centre for Genomic Regulation, Barcelona Institute of Science and Technology, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas, Madrid, Spain
| | - Javier Garcia-Hurtado
- Centre for Genomic Regulation, Barcelona Institute of Science and Technology, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas, Madrid, Spain
| | - Aina Bernal
- Centre for Genomic Regulation, Barcelona Institute of Science and Technology, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas, Madrid, Spain
| | - Roser Gonzalez-Franco
- Section of Genetics and Genomics, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | | | - Holger Heyn
- Centre for Genomic Regulation, Barcelona Institute of Science and Technology, Barcelona, Spain
- CNAG-CRG, Centre for Genomic Regulation, Barcelona Institute of Science and Technology, Barcelona, Spain
- Universitat Pompeu Fabra, Barcelona, Spain
| | - Philippe Ravassard
- Biotechnology and Biotherapy Team, Institut du Cerveau et de la Moelle, CNRS UMR7225, INSERM U975, University Pierre et Marie Curie, Paris, France
| | - Sagrario Ortega
- Transgenics Unit, Spanish National Cancer Research Centre, Madrid, Spain
| | - Jorge Ferrer
- Section of Genetics and Genomics, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK.
- Centre for Genomic Regulation, Barcelona Institute of Science and Technology, Barcelona, Spain.
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas, Madrid, Spain.
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12
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Loss of FOXA2 induces ER stress and hepatic steatosis and alters developmental gene expression in human iPSC-derived hepatocytes. Cell Death Dis 2022; 13:713. [PMID: 35973994 PMCID: PMC9381545 DOI: 10.1038/s41419-022-05158-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 07/29/2022] [Accepted: 08/03/2022] [Indexed: 01/21/2023]
Abstract
FOXA2 has been known to play important roles in liver functions in rodents. However, its role in human hepatocytes is not fully understood. Recently, we generated FOXA2 mutant induced pluripotent stem cell (FOXA2-/-iPSC) lines and illustrated that loss of FOXA2 results in developmental defects in pancreatic islet cells. Here, we used FOXA2-/-iPSC lines to understand the role of FOXA2 on the development and function of human hepatocytes. Lack of FOXA2 resulted in significant alterations in the expression of key developmental and functional genes in hepatic progenitors (HP) and mature hepatocytes (MH) as well as an increase in the expression of ER stress markers. Functional assays demonstrated an increase in lipid accumulation, bile acid synthesis and glycerol production, while a decrease in glucose uptake, glycogen storage, and Albumin secretion. RNA-sequencing analysis further validated the findings by showing a significant increase in genes associated with lipid metabolism, bile acid secretion, and suggested the activation of hepatic stellate cells and hepatic fibrosis in MH lacking FOXA2. Overexpression of FOXA2 reversed the defective phenotypes and improved hepatocyte functionality in iPSC-derived hepatic cells lacking FOXA2. These results highlight a potential role of FOXA2 in regulating human hepatic development and function and provide a human hepatocyte model, which can be used to identify novel therapeutic targets for FOXA2-associated liver disorders.
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13
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Tholen LE, Hoenderop JGJ, de Baaij JHF. Mechanisms of ion transport regulation by HNF1β in the kidney: beyond transcriptional regulation of channels and transporters. Pflugers Arch 2022; 474:901-916. [PMID: 35554666 PMCID: PMC9338905 DOI: 10.1007/s00424-022-02697-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 04/19/2022] [Accepted: 04/22/2022] [Indexed: 01/01/2023]
Abstract
Hepatocyte nuclear factor 1β (HNF1β) is a transcription factor essential for the development and function of the kidney. Mutations in and deletions of HNF1β cause autosomal dominant tubule interstitial kidney disease (ADTKD) subtype HNF1β, which is characterized by renal cysts, diabetes, genital tract malformations, and neurodevelopmental disorders. Electrolyte disturbances including hypomagnesemia, hyperuricemia, and hypocalciuria are common in patients with ADTKD-HNF1β. Traditionally, these electrolyte disturbances have been attributed to HNF1β-mediated transcriptional regulation of gene networks involved in ion transport in the distal part of the nephron including FXYD2, CASR, KCNJ16, and FXR. In this review, we propose additional mechanisms that may contribute to the electrolyte disturbances observed in ADTKD-HNF1β patients. Firstly, kidney development is severely affected in Hnf1b-deficient mice. HNF1β is required for nephron segmentation, and the absence of the transcription factor results in rudimentary nephrons lacking mature proximal tubule, loop of Henle, and distal convoluted tubule cluster. In addition, HNF1β is proposed to be important for apical-basolateral polarity and tight junction integrity in the kidney. Interestingly, cilia formation is unaffected by Hnf1b defects in several models, despite the HNF1β-mediated transcriptional regulation of many ciliary genes. To what extent impaired nephron segmentation, apical-basolateral polarity, and cilia function contribute to electrolyte disturbances in HNF1β patients remains elusive. Systematic phenotyping of Hnf1b mouse models and the development of patient-specific kidney organoid models will be essential to advance future HNF1β research.
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Affiliation(s)
- Lotte E Tholen
- Department of Physiology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, P. O. Box 9101, Nijmegen, 6500 HB, The Netherlands
| | - Joost G J Hoenderop
- Department of Physiology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, P. O. Box 9101, Nijmegen, 6500 HB, The Netherlands
| | - Jeroen H F de Baaij
- Department of Physiology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, P. O. Box 9101, Nijmegen, 6500 HB, The Netherlands.
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14
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Miyachi Y, Miyazawa T, Ogawa Y. HNF1A Mutations and Beta Cell Dysfunction in Diabetes. Int J Mol Sci 2022; 23:ijms23063222. [PMID: 35328643 PMCID: PMC8948720 DOI: 10.3390/ijms23063222] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/14/2022] [Accepted: 03/16/2022] [Indexed: 12/26/2022] Open
Abstract
Understanding the genetic factors of diabetes is essential for addressing the global increase in type 2 diabetes. HNF1A mutations cause a monogenic form of diabetes called maturity-onset diabetes of the young (MODY), and HNF1A single-nucleotide polymorphisms are associated with the development of type 2 diabetes. Numerous studies have been conducted, mainly using genetically modified mice, to explore the molecular basis for the development of diabetes caused by HNF1A mutations, and to reveal the roles of HNF1A in multiple organs, including insulin secretion from pancreatic beta cells, lipid metabolism and protein synthesis in the liver, and urinary glucose reabsorption in the kidneys. Recent studies using human stem cells that mimic MODY have provided new insights into beta cell dysfunction. In this article, we discuss the involvement of HNF1A in beta cell dysfunction by reviewing previous studies using genetically modified mice and recent findings in human stem cell-derived beta cells.
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15
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Cujba AM, Alvarez-Fallas ME, Pedraza-Arevalo S, Laddach A, Shepherd MH, Hattersley AT, Watt FM, Sancho R. An HNF1α truncation associated with maturity-onset diabetes of the young impairs pancreatic progenitor differentiation by antagonizing HNF1β function. Cell Rep 2022; 38:110425. [PMID: 35235779 PMCID: PMC8905088 DOI: 10.1016/j.celrep.2022.110425] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 09/23/2021] [Accepted: 02/02/2022] [Indexed: 01/16/2023] Open
Abstract
The HNF1αp291fsinsC truncation is the most common mutation associated with maturity-onset diabetes of the young 3 (MODY3). Although shown to impair HNF1α signaling, the mechanism by which HNF1αp291fsinsC causes MODY3 is not fully understood. Here we use MODY3 patient and CRISPR/Cas9-engineered human induced pluripotent stem cells (hiPSCs) grown as 3D organoids to investigate how HNF1αp291fsinsC affects hiPSC differentiation during pancreatic development. HNF1αp291fsinsC hiPSCs shows reduced pancreatic progenitor and β cell differentiation. Mechanistically, HNF1αp291fsinsC interacts with HNF1β and inhibits its function, and disrupting this interaction partially rescues HNF1β-dependent transcription. HNF1β overexpression in the HNF1αp291fsinsC patient organoid line increases PDX1+ progenitors, while HNF1β overexpression in the HNF1αp291fsinsC patient iPSC line partially rescues β cell differentiation. Our study highlights the capability of pancreas progenitor-derived organoids to model disease in vitro. Additionally, it uncovers an HNF1β-mediated mechanism linked to HNF1α truncation that affects progenitor differentiation and could explain the clinical heterogeneity observed in MODY3 patients. MODY3 patient and CRISPR/Cas9 HNF1αp291fsinsC mutated iPSC lines are generated Mutant iPSCs show deficient pancreatic progenitor and β cell differentiation Mutant truncated HNF1α protein binds wild-type HNF1β protein to hinder its function HNF1β overexpression in MODY3 iPSC line partially rescues β cell differentiation
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Affiliation(s)
- Ana-Maria Cujba
- Centre for Stem Cells and Regenerative Medicine, King's College London, London, UK
| | | | | | | | | | | | - Fiona M Watt
- Centre for Stem Cells and Regenerative Medicine, King's College London, London, UK
| | - Rocio Sancho
- Centre for Stem Cells and Regenerative Medicine, King's College London, London, UK; Department of Internal Medicine III, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany.
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16
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Barbetti F, Rapini N, Schiaffini R, Bizzarri C, Cianfarani S. The application of precision medicine in monogenic diabetes. Expert Rev Endocrinol Metab 2022; 17:111-129. [PMID: 35230204 DOI: 10.1080/17446651.2022.2035216] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Accepted: 01/25/2022] [Indexed: 12/13/2022]
Abstract
INTRODUCTION Monogenic diabetes, a form of diabetes mellitus, is caused by a mutation in a single gene and may account for 1-2% of all clinical forms of diabetes. To date, more than 40 loci have been associated with either isolated or syndromic monogenic diabetes. AREAS COVERED While the request of a genetic test is mandatory for cases with diabetes onset in the first 6 months of life, a decision may be difficult for childhood or adolescent diabetes. In an effort to assist the clinician in this task, we have grouped monogenic diabetes genes according to the age of onset (or incidental discovery) of hyperglycemia and described the additional clinical features found in syndromic diabetes. The therapeutic options available are reviewed. EXPERT OPINION Technical improvements in DNA sequencing allow for rapid, simultaneous analysis of all genes involved in monogenic diabetes, progressively shrinking the area of unsolved cases. However, the complexity of the analysis of genetic data requires close cooperation between the geneticist and the diabetologist, who should play a proactive role by providing a detailed clinical phenotype that might match a specific disease gene.
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Affiliation(s)
- Fabrizio Barbetti
- Department of Experimental Medicine, University of Rome Tor Vergata, Rome, Italy
- Diabetology and Growth Disorders Unit, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Novella Rapini
- Diabetology and Growth Disorders Unit, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Riccardo Schiaffini
- Diabetology and Growth Disorders Unit, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Carla Bizzarri
- Diabetology and Growth Disorders Unit, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Stefano Cianfarani
- Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
- Dipartimento Pediatrico Universitario Ospedaliero, IRCCS "Bambino Gesù" Children's Hospital, Rome, Italy
- Department of Women's and Children Health, Karolisnska Institute and University Hospital, Sweden
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17
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Tachmatzidi EC, Galanopoulou O, Talianidis I. Transcription Control of Liver Development. Cells 2021; 10:cells10082026. [PMID: 34440795 PMCID: PMC8391549 DOI: 10.3390/cells10082026] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 08/03/2021] [Accepted: 08/06/2021] [Indexed: 02/06/2023] Open
Abstract
During liver organogenesis, cellular transcriptional profiles are constantly reshaped by the action of hepatic transcriptional regulators, including FoxA1-3, GATA4/6, HNF1α/β, HNF4α, HNF6, OC-2, C/EBPα/β, Hex, and Prox1. These factors are crucial for the activation of hepatic genes that, in the context of compact chromatin, cannot access their targets. The initial opening of highly condensed chromatin is executed by a special class of transcription factors known as pioneer factors. They bind and destabilize highly condensed chromatin and facilitate access to other "non-pioneer" factors. The association of target genes with pioneer and non-pioneer transcription factors takes place long before gene activation. In this way, the underlying gene regulatory regions are marked for future activation. The process is called "bookmarking", which confers transcriptional competence on target genes. Developmental bookmarking is accompanied by a dynamic maturation process, which prepares the genomic loci for stable and efficient transcription. Stable hepatic expression profiles are maintained during development and adulthood by the constant availability of the main regulators. This is achieved by a self-sustaining regulatory network that is established by complex cross-regulatory interactions between the major regulators. This network gradually grows during liver development and provides an epigenetic memory mechanism for safeguarding the optimal expression of the regulators.
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Affiliation(s)
- Evangelia C. Tachmatzidi
- Institute of Molecular Biology and Biotechnology, FORTH, 70013 Herakleion, Crete, Greece; (E.C.T.); (O.G.)
- Department of Biology, University of Crete, 70013 Herakleion, Crete, Greece
| | - Ourania Galanopoulou
- Institute of Molecular Biology and Biotechnology, FORTH, 70013 Herakleion, Crete, Greece; (E.C.T.); (O.G.)
- Department of Biology, University of Crete, 70013 Herakleion, Crete, Greece
| | - Iannis Talianidis
- Institute of Molecular Biology and Biotechnology, FORTH, 70013 Herakleion, Crete, Greece; (E.C.T.); (O.G.)
- Correspondence:
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18
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Stanzick KJ, Li Y, Schlosser P, Gorski M, Wuttke M, Thomas LF, Rasheed H, Rowan BX, Graham SE, Vanderweff BR, Patil SB, Robinson-Cohen C, Gaziano JM, O'Donnell CJ, Willer CJ, Hallan S, Åsvold BO, Gessner A, Hung AM, Pattaro C, Köttgen A, Stark KJ, Heid IM, Winkler TW. Discovery and prioritization of variants and genes for kidney function in >1.2 million individuals. Nat Commun 2021; 12:4350. [PMID: 34272381 PMCID: PMC8285412 DOI: 10.1038/s41467-021-24491-0] [Citation(s) in RCA: 135] [Impact Index Per Article: 45.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Accepted: 06/21/2021] [Indexed: 12/24/2022] Open
Abstract
Genes underneath signals from genome-wide association studies (GWAS) for kidney function are promising targets for functional studies, but prioritizing variants and genes is challenging. By GWAS meta-analysis for creatinine-based estimated glomerular filtration rate (eGFR) from the Chronic Kidney Disease Genetics Consortium and UK Biobank (n = 1,201,909), we expand the number of eGFRcrea loci (424 loci, 201 novel; 9.8% eGFRcrea variance explained by 634 independent signal variants). Our increased sample size in fine-mapping (n = 1,004,040, European) more than doubles the number of signals with resolved fine-mapping (99% credible sets down to 1 variant for 44 signals, ≤5 variants for 138 signals). Cystatin-based eGFR and/or blood urea nitrogen association support 348 loci (n = 460,826 and 852,678, respectively). Our customizable tool for Gene PrioritiSation reveals 23 compelling genes including mechanistic insights and enables navigation through genes and variants likely relevant for kidney function in human to help select targets for experimental follow-up.
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Affiliation(s)
- Kira J Stanzick
- Department of Genetic Epidemiology, University of Regensburg, Regensburg, Germany
| | - Yong Li
- Institute of Genetic Epidemiology, Department of Biometry, Epidemiology and Medical Bioinformatics, Faculty of Medicine and Medical Center-University of Freiburg, Freiburg, Germany
| | - Pascal Schlosser
- Institute of Genetic Epidemiology, Department of Biometry, Epidemiology and Medical Bioinformatics, Faculty of Medicine and Medical Center-University of Freiburg, Freiburg, Germany
| | - Mathias Gorski
- Department of Genetic Epidemiology, University of Regensburg, Regensburg, Germany
| | - Matthias Wuttke
- Institute of Genetic Epidemiology, Department of Biometry, Epidemiology and Medical Bioinformatics, Faculty of Medicine and Medical Center-University of Freiburg, Freiburg, Germany
| | - Laurent F Thomas
- K. G. Jebsen Center for Genetic Epidemiology, Department of Public Health and Nursing, Faculty of Medicine and Health, NTNU, Norwegian University of Science and Technology, Trondheim, Norway
- Department of Clinical and Molecular Medicine, NTNU, Norwegian University of Science and Technology, Trondheim, Norway
- BioCore - Bioinformatics Core Facility, Norwegian University of Science and Technology, Trondheim, Norway
| | - Humaira Rasheed
- K. G. Jebsen Center for Genetic Epidemiology, Department of Public Health and Nursing, Faculty of Medicine and Health, NTNU, Norwegian University of Science and Technology, Trondheim, Norway
- MRC Integrative Epidemiology Unit, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Bryce X Rowan
- Department of Biostatistics, Vanderbilt University Medical Center, Nashville, TN, USA
- Department of Veteran's Affairs, Tennessee Valley Healthcare System (626)/Vanderbilt University, Nashville, TN, USA
| | - Sarah E Graham
- Department of Internal Medicine, Division of Cardiology, University of Michigan, Ann Arbor, MI, USA
| | - Brett R Vanderweff
- Department of Biostatistics, University of Michigan School of Public Health, Ann Arbor, MI, USA
- Center for Statistical Genetics, University of Michigan School of Public Health, Ann Arbor, MI, USA
| | - Snehal B Patil
- Department of Biostatistics, University of Michigan School of Public Health, Ann Arbor, MI, USA
- Center for Statistical Genetics, University of Michigan School of Public Health, Ann Arbor, MI, USA
- Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI, USA
| | - Cassiane Robinson-Cohen
- Department of Veteran's Affairs, Tennessee Valley Healthcare System (626)/Vanderbilt University, Nashville, TN, USA
- Vanderbilt University Medical Center, Division of Nephrology and Hypertension, Vanderbilt Center for Kidney Disease and Integrated Program for Acute Kidney Injury Research, and Vanderbilt Precision Nephrology Program Nashville, Nashville, TN, USA
| | - John M Gaziano
- Massachusetts Area Veterans Epidemiology Research and Information Center (MAVERIC), VA Cooperative Studies Program, VA Boston Healthcare System, Boston, MA, USA
- Department of Internal Medicine, Harvard Medical School, Boston, MA, USA
| | | | - Cristen J Willer
- Department of Internal Medicine, Division of Cardiology, University of Michigan, Ann Arbor, MI, USA
- Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI, USA
- Department of Human Genetics, University of Michigan, Ann Arbor, MI, USA
| | - Stein Hallan
- Department of Clinical and Molecular Medicine, NTNU, Norwegian University of Science and Technology, Trondheim, Norway
- Department of Nephrology, St. Olavs Hospital, Trondheim University Hospital, Trondheim, Norway
| | - Bjørn Olav Åsvold
- K. G. Jebsen Center for Genetic Epidemiology, Department of Public Health and Nursing, Faculty of Medicine and Health, NTNU, Norwegian University of Science and Technology, Trondheim, Norway
- Department of Endocrinology, Clinic of Medicine, St. Olavs Hospital, Trondheim University Hospital, Trondheim, Norway
| | - Andre Gessner
- Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg, Regensburg, Germany
| | - Adriana M Hung
- Department of Veteran's Affairs, Tennessee Valley Healthcare System (626)/Vanderbilt University, Nashville, TN, USA
- Vanderbilt University Medical Center, Division of Nephrology and Hypertension, Vanderbilt Center for Kidney Disease and Integrated Program for Acute Kidney Injury Research, and Vanderbilt Precision Nephrology Program Nashville, Nashville, TN, USA
| | - Cristian Pattaro
- Eurac Research, Institute for Biomedicine (affiliated with the University of Lübeck), Bolzano, Italy
| | - Anna Köttgen
- Institute of Genetic Epidemiology, Department of Biometry, Epidemiology and Medical Bioinformatics, Faculty of Medicine and Medical Center-University of Freiburg, Freiburg, Germany
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Klaus J Stark
- Department of Genetic Epidemiology, University of Regensburg, Regensburg, Germany
| | - Iris M Heid
- Department of Genetic Epidemiology, University of Regensburg, Regensburg, Germany
| | - Thomas W Winkler
- Department of Genetic Epidemiology, University of Regensburg, Regensburg, Germany.
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19
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Maturity Onset Diabetes of the Young-New Approaches for Disease Modelling. Int J Mol Sci 2021; 22:ijms22147553. [PMID: 34299172 PMCID: PMC8303136 DOI: 10.3390/ijms22147553] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 07/04/2021] [Accepted: 07/09/2021] [Indexed: 02/08/2023] Open
Abstract
Maturity-onset diabetes of the young (MODY) is a genetically heterogeneous group of monogenic endocrine disorders that is characterised by autosomal dominant inheritance and pancreatic β-cell dysfunction. These patients are commonly misdiagnosed with type 1 or type 2 diabetes, as the clinical symptoms largely overlap. Even though several biomarkers have been tested none of which could be used as single clinical discriminator. The correct diagnosis for individuals with MODY is of utmost importance, as the applied treatment depends on the gene mutation or is subtype-specific. Moreover, in patients with HNF1A-MODY, additional clinical monitoring can be included due to the high incidence of vascular complications observed in these patients. Finally, stratification of MODY patients will enable better and newer treatment options for MODY patients, once the disease pathology for each patient group is better understood. In the current review the clinical characteristics and the known disease-related abnormalities of the most common MODY subtypes are discussed, together with the up-to-date applied diagnostic criteria and treatment options. Additionally, the usage of pluripotent stem cells together with CRISPR/Cas9 gene editing for disease modelling with the possibility to reveal new pathophysiological mechanisms in MODY is discussed.
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Targeted Sequencing of Sorted Esophageal Adenocarcinoma Cells Unveils Known and Novel Mutations in the Separated Subpopulations. Clin Transl Gastroenterol 2021; 11:e00202. [PMID: 33094962 PMCID: PMC7508445 DOI: 10.14309/ctg.0000000000000202] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
INTRODUCTION Our study aimed at investigating tumor heterogeneity in esophageal adenocarcinoma (EAC) cells regarding clinical outcomes. METHODS Thirty-eight surgical EAC cases who underwent gastroesophageal resection with lymph node dissection in 3 university centers were included. Archival material was analyzed via high-throughput cell sorting technology and targeted sequencing of 63 cancer-related genes. Low-pass sequencing and immunohistochemistry (IHC) were used to validate the results. RESULTS Thirty-five of 38 EACs carried at least one somatic mutation that was absent in the stromal cells; 73.7%, 10.5%, and 10.5% carried mutations in tumor protein 53, cyclin dependent kinase inhibitor 2A, and SMAD family member 4, respectively. In addition, 2 novel mutations were found for hepatocyte nuclear factor-1 alpha in 2 of 38 cases. Tumor protein 53 gene abnormalities were more informative than p53 IHC. Conversely, loss of SMAD4 was more frequently noted with IHC (53%) and was associated with a higher recurrence rate (P = 0.015). Only through cell sorting we were able to detect the presence of hyperdiploid and pseudodiploid subclones in 7 EACs that exhibited different mutational loads and/or additional copy number amplifications, indicating the high genetic heterogeneity of these cancers. DISCUSSION Selective cell sorting allowed the characterization of multiple molecular defects in EAC subclones that were missed in a significant number of cases when whole-tumor samples were analyzed. Therefore, this approach can reveal subtle differences in cancer cell subpopulations. Future studies are required to investigate whether these subclones are responsible for treatment response and disease recurrence.
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Liu F, Zhu X, Jiang X, Li S, Lv Y. Transcriptional control by HNF-1: Emerging evidence showing its role in lipid metabolism and lipid metabolism disorders. Genes Dis 2021; 9:1248-1257. [PMID: 35873023 PMCID: PMC9293700 DOI: 10.1016/j.gendis.2021.06.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 06/10/2021] [Accepted: 06/29/2021] [Indexed: 11/13/2022] Open
Abstract
The present review focuses on the roles and underlying mechanisms of action of hepatic nuclear factor-1 (HNF-1) in lipid metabolism and the development of lipid metabolism disorders. HNF-1 is a transcriptional regulator that can form homodimers, and the HNF-1α and HNF-1β isomers can form heterodimers. Both homo- and heterodimers recognize and bind to specific cis-acting elements in gene promoters to transactivate transcription and to coordinate the expression of target lipid-related genes, thereby influencing the homeostasis of lipid metabolism. HNF-1 was shown to restrain lipid anabolism, including synthesis, absorption, and storage, by inhibiting the expression of lipogenesis-related genes, such as peroxisome proliferator-activated receptor γ (PPARγ) and sterol regulatory element-binding protein-1/2 (SREBP-1/2). Moreover, HNF-1 enhances the expression of various genes, such as proprotein convertase subtilisin/kexin type 9 (PCSK9), glutathione peroxidase 1 (GPx1), and suppressor of cytokine signaling-3 (SOCS-3) and negatively regulates signal transducer and activator of transcription (STAT) to facilitate lipid catabolism in hepatocytes. HNF-1 reduces hepatocellular lipid decomposition, which alleviates the progression of nonalcoholic fatty liver disease (NAFLD). HNF-1 impairs preadipocyte differentiation to reduce the number of adipocytes, stunting the development of obesity. Furthermore, HNF-1 reduces free cholesterol levels in the plasma to inhibit aortic lipid deposition and lipid plaque formation, relieving dyslipidemia and preventing the development of atherosclerotic cardiovascular disease (ASCVD). In summary, HNF-1 transcriptionally regulates lipid-related genes to manipulate intracorporeal balance of lipid metabolism and to suppress the development of lipid metabolism disorders.
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Nishiya Y, Kawaguchi K, Kudo K, Kawaguchi T, Obayashi J, Tanaka K, Ohyama K, Nagae H, Furuta S, Seki Y, Koike J, Pringle KC, Kitagawa H. The Expression of Transcription Factors in Fetal Lamb Kidney. J Dev Biol 2021; 9:jdb9020022. [PMID: 34205452 PMCID: PMC8293116 DOI: 10.3390/jdb9020022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 06/15/2021] [Accepted: 06/17/2021] [Indexed: 01/02/2023] Open
Abstract
(1) Background: Renal development involves frequent expression and loss of transcription factors, resulting in the activation of genes. Wilms’ tumor 1 (WT1), hepatocyte nuclear factor-1-beta (HNF1β), and paired box genes 2 and 8 (Pax2 and Pax8) play an important role in renal development. With this in vivo study, we examined the period and location of expression of these factors in renal development. (2) Methods: Fetal lamb kidneys (50 days from gestation to term) and adult ewe kidneys were evaluated by hematoxylin and eosin staining. Serial sections were subjected to immunohistochemistry for WT1, HNF1β, Pax2, and Pax8. (3) Results: Pax2, Pax8, and HNF1β expression was observed in the ureteric bud and collecting duct epithelial cells. We observed expression of WT1 alone in metanephric mesenchymal cells, glomerular epithelial cells, and interstitial cells in the medullary rays and Pax8 and HNF1β expression in tubular epithelial cells. WT1 was highly expressed in cells more proximal to the medulla in renal vesicles and in C- and S-shaped bodies. Pax2 was expressed in the middle and peripheral regions, and HNF1β in cells in the region in the middle of these. (4) Conclusions: WT1 is involved in nephron development. Pax2, Pax8, and HNF1β are involved in nephron maturation and the formation of peripheral collecting ducts from the Wolffian duct.
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Affiliation(s)
- Yuri Nishiya
- Division of Pediatric Surgery, School of Medicine, St. Marianna University, 2-16-1, Sugao, Kawasaki 216-8511, Kanagawa, Japan; (Y.N.); (K.K.); (K.K.); (T.K.); (J.O.); (K.T.); (K.O.); (H.N.); (S.F.); (Y.S.)
| | - Kohei Kawaguchi
- Division of Pediatric Surgery, School of Medicine, St. Marianna University, 2-16-1, Sugao, Kawasaki 216-8511, Kanagawa, Japan; (Y.N.); (K.K.); (K.K.); (T.K.); (J.O.); (K.T.); (K.O.); (H.N.); (S.F.); (Y.S.)
| | - Kosuke Kudo
- Division of Pediatric Surgery, School of Medicine, St. Marianna University, 2-16-1, Sugao, Kawasaki 216-8511, Kanagawa, Japan; (Y.N.); (K.K.); (K.K.); (T.K.); (J.O.); (K.T.); (K.O.); (H.N.); (S.F.); (Y.S.)
| | - Takuya Kawaguchi
- Division of Pediatric Surgery, School of Medicine, St. Marianna University, 2-16-1, Sugao, Kawasaki 216-8511, Kanagawa, Japan; (Y.N.); (K.K.); (K.K.); (T.K.); (J.O.); (K.T.); (K.O.); (H.N.); (S.F.); (Y.S.)
| | - Juma Obayashi
- Division of Pediatric Surgery, School of Medicine, St. Marianna University, 2-16-1, Sugao, Kawasaki 216-8511, Kanagawa, Japan; (Y.N.); (K.K.); (K.K.); (T.K.); (J.O.); (K.T.); (K.O.); (H.N.); (S.F.); (Y.S.)
| | - Kunihide Tanaka
- Division of Pediatric Surgery, School of Medicine, St. Marianna University, 2-16-1, Sugao, Kawasaki 216-8511, Kanagawa, Japan; (Y.N.); (K.K.); (K.K.); (T.K.); (J.O.); (K.T.); (K.O.); (H.N.); (S.F.); (Y.S.)
| | - Kei Ohyama
- Division of Pediatric Surgery, School of Medicine, St. Marianna University, 2-16-1, Sugao, Kawasaki 216-8511, Kanagawa, Japan; (Y.N.); (K.K.); (K.K.); (T.K.); (J.O.); (K.T.); (K.O.); (H.N.); (S.F.); (Y.S.)
| | - Hideki Nagae
- Division of Pediatric Surgery, School of Medicine, St. Marianna University, 2-16-1, Sugao, Kawasaki 216-8511, Kanagawa, Japan; (Y.N.); (K.K.); (K.K.); (T.K.); (J.O.); (K.T.); (K.O.); (H.N.); (S.F.); (Y.S.)
| | - Shigeyuki Furuta
- Division of Pediatric Surgery, School of Medicine, St. Marianna University, 2-16-1, Sugao, Kawasaki 216-8511, Kanagawa, Japan; (Y.N.); (K.K.); (K.K.); (T.K.); (J.O.); (K.T.); (K.O.); (H.N.); (S.F.); (Y.S.)
| | - Yasuji Seki
- Division of Pediatric Surgery, School of Medicine, St. Marianna University, 2-16-1, Sugao, Kawasaki 216-8511, Kanagawa, Japan; (Y.N.); (K.K.); (K.K.); (T.K.); (J.O.); (K.T.); (K.O.); (H.N.); (S.F.); (Y.S.)
| | - Junki Koike
- Department of Pathology, School of Medicine, St. Marianna University, Kawasaki 216-8511, Kanagawa, Japan;
| | - Kevin C. Pringle
- Department of Obstetrics and Gynecology, School of Medicine & Health Science, University of Otago, North Dunedin, Dunedin 9016, New Zealand;
| | - Hiroaki Kitagawa
- Division of Pediatric Surgery, School of Medicine, St. Marianna University, 2-16-1, Sugao, Kawasaki 216-8511, Kanagawa, Japan; (Y.N.); (K.K.); (K.K.); (T.K.); (J.O.); (K.T.); (K.O.); (H.N.); (S.F.); (Y.S.)
- Correspondence: ; Tel.: +81-44-977-8111
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Vishnopolska SA, Mercogliano MF, Camilletti MA, Mortensen AH, Braslavsky D, Keselman A, Bergadá I, Olivieri F, Miranda L, Marino R, Ramírez P, Pérez Garrido N, Patiño Mejia H, Ciaccio M, Di Palma MI, Belgorosky A, Martí MA, Kitzman JO, Camper SA, Pérez-Millán MI. Comprehensive Identification of Pathogenic Gene Variants in Patients With Neuroendocrine Disorders. J Clin Endocrinol Metab 2021; 106:1956-1976. [PMID: 33729509 PMCID: PMC8208670 DOI: 10.1210/clinem/dgab177] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Revised: 02/12/2021] [Indexed: 02/03/2023]
Abstract
PURPOSE Congenital hypopituitarism (CH) can present in isolation or with other birth defects. Mutations in multiple genes can cause CH, and the use of a genetic screening panel could establish the prevalence of mutations in known and candidate genes for this disorder. It could also increase the proportion of patients that receive a genetic diagnosis. METHODS We conducted target panel genetic screening using single-molecule molecular inversion probes sequencing to assess the frequency of mutations in known hypopituitarism genes and new candidates in Argentina. We captured genomic deoxyribonucleic acid from 170 pediatric patients with CH, either alone or with other abnormalities. We performed promoter activation assays to test the functional effects of patient variants in LHX3 and LHX4. RESULTS We found variants classified as pathogenic, likely pathogenic, or with uncertain significance in 15.3% of cases. These variants were identified in known CH causative genes (LHX3, LHX4, GLI2, OTX2, HESX1), in less frequently reported genes (FOXA2, BMP4, FGFR1, PROKR2, PNPLA6) and in new candidate genes (BMP2, HMGA2, HNF1A, NKX2-1). CONCLUSION In this work, we report the prevalence of mutations in known CH genes in Argentina and provide evidence for new candidate genes. We show that CH is a genetically heterogeneous disease with high phenotypic variation and incomplete penetrance, and our results support the need for further gene discovery for CH. Identifying population-specific pathogenic variants will improve the capacity of genetic data to predict eventual clinical outcomes.
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Affiliation(s)
- Sebastian Alexis Vishnopolska
- Instituto de Biociencias, Biotecnología y Biología Traslacional (IB3), Departamento de Fisiología, Biología Molecular y Celular, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad de Buenos Aires,Argentina
- Instituto de Química Biología en Exactas y Naturales (IQUIBICEN-CONICET), Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad de Buenos Aires,Argentina
| | - Maria Florencia Mercogliano
- Instituto de Química Biología en Exactas y Naturales (IQUIBICEN-CONICET), Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad de Buenos Aires,Argentina
| | - Maria Andrea Camilletti
- Instituto de Biociencias, Biotecnología y Biología Traslacional (IB3), Departamento de Fisiología, Biología Molecular y Celular, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad de Buenos Aires,Argentina
- Instituto de Química Biología en Exactas y Naturales (IQUIBICEN-CONICET), Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad de Buenos Aires,Argentina
| | - Amanda Helen Mortensen
- Deptartment of Human Genetics, University of Michigan Medical School, Ann Arbor, MI 48198-5618, USA
| | - Debora Braslavsky
- Centro de Investigaciones Endocrinológicas “Dr. César Bergadá,” (CEDIE), FEI – CONICET – División de Endocrinología, Hospital de Niños Ricardo Gutiérrez, Ciudad de Buenos Aires, C1425EFD, Argentina
| | - Ana Keselman
- Centro de Investigaciones Endocrinológicas “Dr. César Bergadá,” (CEDIE), FEI – CONICET – División de Endocrinología, Hospital de Niños Ricardo Gutiérrez, Ciudad de Buenos Aires, C1425EFD, Argentina
| | - Ignacio Bergadá
- Centro de Investigaciones Endocrinológicas “Dr. César Bergadá,” (CEDIE), FEI – CONICET – División de Endocrinología, Hospital de Niños Ricardo Gutiérrez, Ciudad de Buenos Aires, C1425EFD, Argentina
| | - Federico Olivieri
- Instituto de Química Biología en Exactas y Naturales (IQUIBICEN-CONICET), Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad de Buenos Aires,Argentina
| | - Lucas Miranda
- Instituto de Química Biología en Exactas y Naturales (IQUIBICEN-CONICET), Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad de Buenos Aires,Argentina
| | - Roxana Marino
- Servicio de Endocrinología, Hospital Garrahan, Ciudad de Buenos Aires, C1245, Argentina
| | - Pablo Ramírez
- Servicio de Endocrinología, Hospital Garrahan, Ciudad de Buenos Aires, C1245, Argentina
| | - Natalia Pérez Garrido
- Servicio de Endocrinología, Hospital Garrahan, Ciudad de Buenos Aires, C1245, Argentina
| | - Helen Patiño Mejia
- Servicio de Endocrinología, Hospital Garrahan, Ciudad de Buenos Aires, C1245, Argentina
| | - Marta Ciaccio
- Servicio de Endocrinología, Hospital Garrahan, Ciudad de Buenos Aires, C1245, Argentina
| | - Maria Isabel Di Palma
- Servicio de Endocrinología, Hospital Garrahan, Ciudad de Buenos Aires, C1245, Argentina
| | - Alicia Belgorosky
- Hospital de Pediatría Garrahan-CONICET, Ciudad de Buenos Aires, Argentina
| | - Marcelo Adrian Martí
- Instituto de Química Biología en Exactas y Naturales (IQUIBICEN-CONICET), Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad de Buenos Aires,Argentina
| | - Jacob Otto Kitzman
- Deptartment of Human Genetics, University of Michigan Medical School, Ann Arbor, MI 48198-5618, USA
| | - Sally Ann Camper
- Deptartment of Human Genetics, University of Michigan Medical School, Ann Arbor, MI 48198-5618, USA
- Correspondence: Sally A. Camper, PhD, University of Michigan Medical School, Ann Arbor, MI 48198-5618, United States. E-mail: ; or Maria Ines Perez-Millan, PhD, University of Buenos Aires, Buenos Aires, C1428EHA, Argentina. E-mail:
| | - Maria Ines Pérez-Millán
- Instituto de Biociencias, Biotecnología y Biología Traslacional (IB3), Departamento de Fisiología, Biología Molecular y Celular, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad de Buenos Aires,Argentina
- Correspondence: Sally A. Camper, PhD, University of Michigan Medical School, Ann Arbor, MI 48198-5618, United States. E-mail: ; or Maria Ines Perez-Millan, PhD, University of Buenos Aires, Buenos Aires, C1428EHA, Argentina. E-mail:
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Fráguas-Eggenschwiler M, Eggenschwiler R, Söllner JH, Cortnumme L, Vondran FWR, Cantz T, Ott M, Niemann H. Direct conversion of porcine primary fibroblasts into hepatocyte-like cells. Sci Rep 2021; 11:9334. [PMID: 33927320 PMCID: PMC8085017 DOI: 10.1038/s41598-021-88727-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Accepted: 04/12/2021] [Indexed: 01/01/2023] Open
Abstract
The pig is an important model organism for biomedical research, mainly due to its extensive genetic, physiological and anatomical similarities with humans. Until date, direct conversion of somatic cells into hepatocyte-like cells (iHeps) has only been achieved in rodents and human cells. Here, we employed lentiviral vectors to screen a panel of 12 hepatic transcription factors (TF) for their potential to convert porcine fibroblasts into hepatocyte-like cells. We demonstrate for the first time, hepatic conversion of porcine somatic cells by over-expression of CEBPα, FOXA1 and HNF4α2 (3TF-piHeps). Reprogrammed 3TF-piHeps display a hepatocyte-like morphology and show functional characteristics of hepatic cells, including albumin secretion, Dil-AcLDL uptake, storage of lipids and glycogen and activity of cytochrome P450 enzymes CYP1A2 and CYP2C33 (CYP2C9 in humans). Moreover, we show that markers of mature hepatocytes are highly expressed in 3TF-piHeps, while fibroblastic markers are reduced. We envision piHeps as useful cell sources for future studies on drug metabolism and toxicity as well as in vitro models for investigation of pig-to-human infectious diseases.
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Affiliation(s)
- Mariane Fráguas-Eggenschwiler
- Gastroenterology, Hepatology and Endocrinology Department, Hannover Medical School, Hannover, Germany. .,Twincore Centre for Experimental and Clinical Infection Research, Hannover, Germany.
| | - Reto Eggenschwiler
- Gastroenterology, Hepatology and Endocrinology Department, Hannover Medical School, Hannover, Germany.,Translational Hepatology and Stem Cell Biology, REBIRTH - Research Center for Translational Regenerative Medicine and Department of Gastroenterology, Hepatology and Endocrinology, Hannover Medical School, Hannover, Germany
| | - Jenny-Helena Söllner
- Institute of Farm Animal Genetics, Friedrich-Loeffler-Institut (FLI), Mariensee, Neustadt, Germany
| | - Leon Cortnumme
- Translational Hepatology and Stem Cell Biology, REBIRTH - Research Center for Translational Regenerative Medicine and Department of Gastroenterology, Hepatology and Endocrinology, Hannover Medical School, Hannover, Germany
| | - Florian W R Vondran
- Department of General, Visceral and Transplant Surgery, Hannover Medical School, Hannover, Germany.,German Centre for Infection Research (DZIF), Partner Site Hannover-Braunschweig, Tübingen, Germany
| | - Tobias Cantz
- Gastroenterology, Hepatology and Endocrinology Department, Hannover Medical School, Hannover, Germany.,Translational Hepatology and Stem Cell Biology, REBIRTH - Research Center for Translational Regenerative Medicine and Department of Gastroenterology, Hepatology and Endocrinology, Hannover Medical School, Hannover, Germany
| | - Michael Ott
- Gastroenterology, Hepatology and Endocrinology Department, Hannover Medical School, Hannover, Germany.,Twincore Centre for Experimental and Clinical Infection Research, Hannover, Germany
| | - Heiner Niemann
- Gastroenterology, Hepatology and Endocrinology Department, Hannover Medical School, Hannover, Germany. .,Twincore Centre for Experimental and Clinical Infection Research, Hannover, Germany.
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Hu Y, Liu L, Lu X. Regulation of Angiotensin-Converting Enzyme 2: A Potential Target to Prevent COVID-19? Front Endocrinol (Lausanne) 2021; 12:725967. [PMID: 34745001 PMCID: PMC8569797 DOI: 10.3389/fendo.2021.725967] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 09/20/2021] [Indexed: 01/01/2023] Open
Abstract
The renin-angiotensin system (RAS) is crucially involved in the physiology and pathology of all organs in mammals. Angiotensin-converting enzyme 2 (ACE2), which is a homolog of ACE, acts as a negative regulator in the homeostasis of RAS. ACE2 has been proven to be the receptor of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which caused the coronavirus disease 2019 (COVID-19) pandemic. As SARS-CoV-2 enters the host cells through binding of viral spike protein with ACE2 in humans, the distribution and expression level of ACE2 may be critical for SARS-CoV-2 infection. Growing evidence shows the implication of ACE2 in pathological progression in tissue injury and several chronic conditions such as hypertension, diabetes, and cardiovascular disease; this suggests that ACE2 is essential in the progression and clinical prognosis of COVID-19 as well. Therefore, we summarized the expression and activity of ACE2 under various conditions and regulators. We further discussed its potential implication in susceptibility to COVID-19 and its potential for being a therapeutic target in COVID-19.
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Sato Y, Rahman MM, Haneda M, Tsuyama T, Mizumoto T, Yoshizawa T, Kitamura T, Gonzalez FJ, Yamamura KI, Yamagata K. HNF1α controls glucagon secretion in pancreatic α-cells through modulation of SGLT1. Biochim Biophys Acta Mol Basis Dis 2020; 1866:165898. [DOI: 10.1016/j.bbadis.2020.165898] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 06/30/2020] [Accepted: 07/15/2020] [Indexed: 12/12/2022]
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Ge S, Wu X, Xiong Y, Xie J, Liu F, Zhang W, Yang L, Zhang S, Lai L, Huang J, Li M, Yu YQ. HMGB1 Inhibits HNF1A to Modulate Liver Fibrogenesis via p65/miR-146b Signaling. DNA Cell Biol 2020; 39:1711-1722. [PMID: 32833553 DOI: 10.1089/dna.2019.5330] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
High mobility group box 1 (HMGB1) is essential for the pathogenesis of liver injury and liver fibrosis. We previously revealed that miR-146b promotes hepatic stellate cells (HSCs) activation and proliferation. Nevertheless, the potential mechanisms are still unknown. Herein, HMGB1 increased HSCs proliferation and COL1A1 and α-SMA protein levels. However, the knockdown of miR-146b inhibited HSCs proliferation and COL1A1 and α-SMA protein levels induced via HMGB1 treatment. miR-146b was upregulated by HMGB1 and miR-146b targeted hepatocyte nuclear factor 1A (HNF1A) 3'-untranslated region (3'UTR) to modulate its expression negatively. Further, we confirmed that HMGB1 might elicit miR-146b expression via p65 within HSCs. Knockdown or block of HMGB1 relieved the CCl4-induced liver fibrosis. In fibrotic liver tissues, miR-146b expression was positively correlated with p65 mRNA, but HNF1A mRNA was inversely correlated with p65, and miR-146b expression. In summary, our findings suggest that HMGB1/p65/miR-146b/HNF1A signaling exerts a crucial effect on liver fibrogenesis via the regulation of HSC function.
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Affiliation(s)
- Shanfei Ge
- Department of Infectious Disease, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Xiaoping Wu
- Department of Infectious Disease, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Ying Xiong
- Department of Infectious Disease, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Jianping Xie
- Department of Infectious Disease, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Fei Liu
- Department of Infectious Disease, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Wenfeng Zhang
- Department of Infectious Disease, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Lixia Yang
- Department of Infectious Disease, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Song Zhang
- Department of Infectious Disease, ShangRao People's Hospital, ShangRao, Jiangxi, China
| | - Lingling Lai
- Department of Infectious Disease, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Jiansheng Huang
- Department of Infectious Disease, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Ming Li
- Department of Infectious Disease, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Yan-Qing Yu
- Department of Pathology, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
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Villemain L, Prigent S, Abou-Lovergne A, Pelletier L, Chiral M, Pontoglio M, Foufelle F, Caruso S, Pineau R, Rebouissou S, Chevet E, Zucman-Rossi J, Combettes L. Sigma 1 Receptor is Overexpressed in Hepatocellular Adenoma: Involvement of ERα and HNF1α. Cancers (Basel) 2020; 12:cancers12082213. [PMID: 32784704 PMCID: PMC7464972 DOI: 10.3390/cancers12082213] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Accepted: 08/03/2020] [Indexed: 11/16/2022] Open
Abstract
Sigma receptor 1 (SigR1) is an endoplasmic reticulum resident integral membrane protein whose functions remain unclear. Although the liver shows the highest expression of SigR1, its role in this organ is unknown. SigR1 is overexpressed in many cancers and its expression is correlated to hormonal status in hormone-dependent cancers. To better understand the role of SigR1 in hepatocytes we focused our work on the regulation of its expression in tumoral liver. In this context, hepatocellular adenomas, benign hepatic tumors associated with estrogen intake are of particular interest. The expression of SigR1 mRNA was assessed in hepatocellular adenoma (HCA) patients using qPCR. The impact of estrogen on the expression of SigR1 was studied in vivo (mice) and in vitro (HepG2 and Huh7 cells). The effect of HNF1α on the expression of SigR1 was studied in vivo by comparing wild type mice to HNF1 knockout mice. Estrogen enhanced SigR1 expression through its nuclear receptor ERα. HNF1α mutated HCA (H-HCA) significantly overexpressed SigR1 compared to all other HCA subtypes. HNF1 knockout mice showed an increase in SigR1 expression. Overexpressing SigR1 in cellular models increases proliferation rate and storage of lipid droplets, which phenocopies the H-HCA phenotype. SigR1 is involved in hepatocyte proliferation and steatosis and may play an important role in the control of the H-HCA phenotype.
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Affiliation(s)
- Laure Villemain
- UMRs 1174, University Paris-Saclay, Inserm, 91405 Orsay, France; (L.V.); (S.P.); (A.A.-L.)
| | - Sylvie Prigent
- UMRs 1174, University Paris-Saclay, Inserm, 91405 Orsay, France; (L.V.); (S.P.); (A.A.-L.)
| | - Aurélie Abou-Lovergne
- UMRs 1174, University Paris-Saclay, Inserm, 91405 Orsay, France; (L.V.); (S.P.); (A.A.-L.)
| | - Laura Pelletier
- Centre de Recherche des Cordeliers, Sorbonne Université, Inserm, Université de Paris, Université Sorbonne Paris Nord, Functional Genomics of Solid Tumors laboratory, F-75006 Paris, France; (L.P.); (S.C.); (S.R.); (J.Z.-R.)
| | - Magali Chiral
- Institut Necker - Enfants Malades (INEM), 14, rue Maria Héléna Vieira da Silva Bâtiment Leriche, 75014 Paris, France; (M.C.); (M.P.)
| | - Marco Pontoglio
- Institut Necker - Enfants Malades (INEM), 14, rue Maria Héléna Vieira da Silva Bâtiment Leriche, 75014 Paris, France; (M.C.); (M.P.)
| | - Fabienne Foufelle
- Centre de Recherche des Cordeliers, Sorbonne University, Inserm, U1138” Metabolic diseases, diabetes and co-morbidities” F-75006 Paris, France;
| | - Stefano Caruso
- Centre de Recherche des Cordeliers, Sorbonne Université, Inserm, Université de Paris, Université Sorbonne Paris Nord, Functional Genomics of Solid Tumors laboratory, F-75006 Paris, France; (L.P.); (S.C.); (S.R.); (J.Z.-R.)
| | - Raphael Pineau
- UMRs 1242 “Chemistry, Oncogenesis, stress, Signaling” (COSS), University de Rennes-1, 35042 Rennes, France; (R.P.); (E.C.)
- Centre de Lutte Contre le Cancer Eugène Marquis, 35042 Rennes, France
| | - Sandra Rebouissou
- Centre de Recherche des Cordeliers, Sorbonne Université, Inserm, Université de Paris, Université Sorbonne Paris Nord, Functional Genomics of Solid Tumors laboratory, F-75006 Paris, France; (L.P.); (S.C.); (S.R.); (J.Z.-R.)
| | - Eric Chevet
- UMRs 1242 “Chemistry, Oncogenesis, stress, Signaling” (COSS), University de Rennes-1, 35042 Rennes, France; (R.P.); (E.C.)
- Centre de Lutte Contre le Cancer Eugène Marquis, 35042 Rennes, France
| | - Jessica Zucman-Rossi
- Centre de Recherche des Cordeliers, Sorbonne Université, Inserm, Université de Paris, Université Sorbonne Paris Nord, Functional Genomics of Solid Tumors laboratory, F-75006 Paris, France; (L.P.); (S.C.); (S.R.); (J.Z.-R.)
- Hôpital Européen Georges Pompidou, AP-HP, F-75015 Paris, France
| | - Laurent Combettes
- UMRs 1174, University Paris-Saclay, Inserm, 91405 Orsay, France; (L.V.); (S.P.); (A.A.-L.)
- Correspondence: ; Tel.: +01-6915-6396
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Marable SS, Chung E, Park JS. Hnf4a Is Required for the Development of Cdh6-Expressing Progenitors into Proximal Tubules in the Mouse Kidney. J Am Soc Nephrol 2020; 31:2543-2558. [PMID: 32764140 DOI: 10.1681/asn.2020020184] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Accepted: 07/06/2020] [Indexed: 01/03/2023] Open
Abstract
BACKGROUND Hepatocyte NF 4α (Hnf4a) is a major regulator of renal proximal tubule (PT) development. In humans, a mutation in HNF4A impairs PT functions and is associated with Fanconi renotubular syndrome (FRTS). In mice, mosaic deletion of Hnf4a in the developing kidney reduces the population of PT cells, leading to FRTS-like symptoms. The molecular mechanisms underlying the role of Hnf4a in PT development remain unclear. METHODS The gene deletion tool Osr2Cre removed Hnf4a in developing nephrons in mice, generating a novel model for FRTS. Immunofluorescence analysis characterized the mutant phenotype, and lineage analysis tested whether Cadherin-6 (Cdh6)-expressing cells are PT progenitors. Genome-wide mapping of Hnf4a binding sites and differential gene analysis of Hnf4a mutant kidneys identified direct target genes of Hnf4a. RESULTS Deletion of Hnf4a with Osr2Cre led to the complete loss of mature PT cells, lethal to the Hnf4a mutant mice. Cdh6high, lotus tetragonolobus lectin-low (LTLlow) cells serve as PT progenitors and demonstrate higher proliferation than Cdh6low, LTLhigh differentiated PT cells. Additionally, Hnf4a is required for PT progenitors to differentiate into mature PT cells. Genomic analyses revealed that Hnf4a directly regulates the expression of genes involved in transmembrane transport and metabolism. CONCLUSIONS Hnf4a promotes the differentiation of PT progenitors into mature PT cells by regulating the expression of genes associated with reabsorption, the major function of PT cells.
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Affiliation(s)
- Sierra S Marable
- Division of Pediatric Urology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio.,Division of Developmental Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Eunah Chung
- Division of Pediatric Urology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio.,Division of Developmental Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Joo-Seop Park
- Division of Pediatric Urology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio .,Division of Developmental Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio.,Department of Surgery, University of Cincinnati College of Medicine, Cincinnati, Ohio
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Transcriptional Regulation of the Angptl8 Gene by Hepatocyte Nuclear Factor-1 in the Murine Liver. Sci Rep 2020; 10:9999. [PMID: 32561878 PMCID: PMC7305314 DOI: 10.1038/s41598-020-66570-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Accepted: 05/20/2020] [Indexed: 01/25/2023] Open
Abstract
Brief refeeding times (~60 min) enhanced hepatic Angptl8 expression in fasted mice. We cloned the mouse Angptl8 promoter region to characterise this rapid refeeding-induced increase in hepatic Angptl8 expression. Deletion of the −309/−60 promoter region significantly attenuated basal promoter activity in hepatocytes. A computational motif search revealed a potential binding motif for hepatocyte nuclear factor 1α/1β (HNF-1α/β) at −84/−68 bp of the promoter. Mutation of the HNF-1 binding site significantly decreased the promoter activity in hepatocytes, and the promoter carrying the mutated HNF-1 site was not transactivated by co-transfection of HNF-1 in a non-hepatic cell line. Silencing Hnf-1 in hepatoma cells and mouse primary hepatocytes reduced Angptl8 protein levels. Electrophoretic mobility-shift assays confirmed direct binding of Hnf-1 to its Angptl8 promoter binding motif. Hnf-1α expression levels increased after short-term refeeding, paralleling the enhanced in vivo expression of the Angptl8 protein. Chromatin immunoprecipitation (ChIP) confirmed the recruitment of endogenous Hnf-1 to the Angptl8 promoter region. Insulin-treated primary hepatocytes showed increased expression of Angptl8 protein, but knockdown of Hnf-1 completely abolished this enhancement. HNF-1 appears to play essential roles in the rapid refeeding-induced increases in Angptl8 expression. HNF-1α may therefore represent a primary medical target for ANGPTL8-related metabolic abnormalities. The study revealed the transcriptional regulation of the mouse hepatic Angptl8 gene by HNF-1.
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31
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Kalisz M, Bernardo E, Beucher A, Maestro MA, del Pozo N, Millán I, Haeberle L, Schlensog M, Safi SA, Knoefel WT, Grau V, de Vas M, Shpargel KB, Vaquero E, Magnuson T, Ortega S, Esposito I, Real FX, Ferrer J. HNF1A recruits KDM6A to activate differentiated acinar cell programs that suppress pancreatic cancer. EMBO J 2020; 39:e102808. [PMID: 32154941 PMCID: PMC7196917 DOI: 10.15252/embj.2019102808] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 02/02/2020] [Accepted: 02/07/2020] [Indexed: 12/14/2022] Open
Abstract
Defects in transcriptional regulators of pancreatic exocrine differentiation have been implicated in pancreatic tumorigenesis, but the molecular mechanisms are poorly understood. The locus encoding the transcription factor HNF1A harbors susceptibility variants for pancreatic ductal adenocarcinoma (PDAC), while KDM6A, encoding Lysine-specific demethylase 6A, carries somatic mutations in PDAC. Here, we show that pancreas-specific Hnf1a null mutant transcriptomes phenocopy those of Kdm6a mutations, and both defects synergize with KrasG12D to cause PDAC with sarcomatoid features. We combine genetic, epigenomic, and biochemical studies to show that HNF1A recruits KDM6A to genomic binding sites in pancreatic acinar cells. This remodels the acinar enhancer landscape, activates differentiated acinar cell programs, and indirectly suppresses oncogenic and epithelial-mesenchymal transition genes. We also identify a subset of non-classical PDAC samples that exhibit the HNF1A/KDM6A-deficient molecular phenotype. These findings provide direct genetic evidence that HNF1A deficiency promotes PDAC. They also connect the tumor-suppressive role of KDM6A deficiency with a cell-specific molecular mechanism that underlies PDAC subtype definition.
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Affiliation(s)
- Mark Kalisz
- Section of Epigenomics and DiseaseDepartment of MedicineImperial College LondonLondonUK
- Epithelial Carcinogenesis GroupSpanish National Cancer Research Centre‐CNIOMadridSpain
- CIBERONCMadridSpain
| | - Edgar Bernardo
- Bioinformatics and Genomics ProgramCentre for Genomic Regulation (CRG)The Barcelona Institute of Science and Technology (BIST)BarcelonaSpain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)BarcelonaSpain
| | - Anthony Beucher
- Section of Epigenomics and DiseaseDepartment of MedicineImperial College LondonLondonUK
| | - Miguel Angel Maestro
- Bioinformatics and Genomics ProgramCentre for Genomic Regulation (CRG)The Barcelona Institute of Science and Technology (BIST)BarcelonaSpain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)BarcelonaSpain
| | - Natalia del Pozo
- Epithelial Carcinogenesis GroupSpanish National Cancer Research Centre‐CNIOMadridSpain
- CIBERONCMadridSpain
| | - Irene Millán
- Epithelial Carcinogenesis GroupSpanish National Cancer Research Centre‐CNIOMadridSpain
- CIBERONCMadridSpain
| | - Lena Haeberle
- Institute of PathologyHeinrich‐Heine University and University Hospital of DüsseldorfDüsseldorfGermany
| | - Martin Schlensog
- Institute of PathologyHeinrich‐Heine University and University Hospital of DüsseldorfDüsseldorfGermany
| | - Sami Alexander Safi
- Department of SurgeryHeinrich‐Heine University and University Hospital of DüsseldorfDüsseldorfGermany
| | - Wolfram Trudo Knoefel
- Department of SurgeryHeinrich‐Heine University and University Hospital of DüsseldorfDüsseldorfGermany
| | - Vanessa Grau
- Bioinformatics and Genomics ProgramCentre for Genomic Regulation (CRG)The Barcelona Institute of Science and Technology (BIST)BarcelonaSpain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)BarcelonaSpain
| | - Matías de Vas
- Section of Epigenomics and DiseaseDepartment of MedicineImperial College LondonLondonUK
| | - Karl B Shpargel
- Department of Genetics and Lineberger Comprehensive Cancer CenterUniversity of North Carolina at Chapel HillChapel HillNCUSA
| | - Eva Vaquero
- CiberEHDInstitut de Malalties Digestives i MetabòliquesHospital ClínicIDIBAPSBarcelonaSpain
| | - Terry Magnuson
- Department of Genetics and Lineberger Comprehensive Cancer CenterUniversity of North Carolina at Chapel HillChapel HillNCUSA
| | - Sagrario Ortega
- Transgenics UnitSpanish National Cancer Research Centre‐CNIOMadridSpain
| | - Irene Esposito
- Department of SurgeryHeinrich‐Heine University and University Hospital of DüsseldorfDüsseldorfGermany
| | - Francisco X Real
- Epithelial Carcinogenesis GroupSpanish National Cancer Research Centre‐CNIOMadridSpain
- CIBERONCMadridSpain
- Departament de Ciències Experimentals i de la SalutUniversitat Pompeu FabraBarcelonaSpain
| | - Jorge Ferrer
- Section of Epigenomics and DiseaseDepartment of MedicineImperial College LondonLondonUK
- Bioinformatics and Genomics ProgramCentre for Genomic Regulation (CRG)The Barcelona Institute of Science and Technology (BIST)BarcelonaSpain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)BarcelonaSpain
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32
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Fu J, Wang T, Zhai X, Xiao X. Primary hepatocellular adenoma due to biallelic HNF1A mutations and its co-occurrence with MODY 3: case-report and review of the literature. Endocrine 2020; 67:544-551. [PMID: 31754975 PMCID: PMC7054351 DOI: 10.1007/s12020-019-02138-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Accepted: 11/10/2019] [Indexed: 12/15/2022]
Abstract
PURPOSE Maturity-onset diabetes of the young type 3 (MODY 3) is a consequence of heterozygous germline mutations in HNF1A, and a subtype of hepatocellular adenoma (HCA) is caused by biallelic somatic HNF1A mutations; rare HCA may be related to MODY 3. This study aimed to investigate the cosegregation of HNF1A mutations with diabetes and HCA in two families. METHODS Two patients suffering from HCA and diabetes were screened for HNF1A germline and somatic mutations using direct sequence analysis and methylation-specific multiplex-ligation-dependent probe amplification (MS-MLPA) assay. Further, we screened eight relatives in the two independent families for diabetes, HCA and HNF1A variants. Additionally, we reviewed the literature concerning the phenotypes of MODY 3 and HCA at the background of HNF1A mutations. RESULTS Here we reported two families (a total of six relatives) with two missense germline mutations of HNF1A identified initially using direct sequence analysis (c.686G>A in family A and c.526 + 1G>A in family B). Somatic deletion of the second allele of HNF1A was found in liver tumor tissues in both probands who were diagnosed with HCA. There are a total of ten cases of both MODY 3 and HCA phenotypes reported in the literature to date; incomplete penetrance for HCA was observed, and all the patients with HCA developed diabetes. The onset of diabetes and HCA was highly variable, the treatment of diabetes varied from diet to insulin, and the clinical expression of HCA ranged from silent to hemorrhage. Further, the severity of diabetes mellitus was not related to the occurrence of HCA. CONCLUSIONS This study describes the association of HCA and MODY 3 at the background of HNF1A mutations and highlights the importance of screening for HCA in MODY 3 families to avoid the possibility of severe complications. Further, the current study indicated that there may be a special mutational spectrum of HNF1A correlated with HCA in MODY 3 families.
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Affiliation(s)
- Junling Fu
- Department of Endocrinology, NHC Key Laboratory of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China
| | - Tong Wang
- Department of Endocrinology, NHC Key Laboratory of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China
| | - Xiao Zhai
- Department of Endocrinology, NHC Key Laboratory of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China
| | - Xinhua Xiao
- Department of Endocrinology, NHC Key Laboratory of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China.
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Abstract
MODY (Maturity Onset Diabetes of the Young) is a type of diabetes resulting from a pathogenic effect of gene mutations. Up to date, 13 MODY genes are known. Gene HNF1A is one of the most common causes of MODY diabetes (HNF1A-MODY; MODY3). This gene is polymorphic and more than 1200 pathogenic and non-pathogenic HNF1A variants were described in its UTRs, exons and introns. For HNF1A-MODY, not just gene but also phenotype heterogeneity is typical. Although there are some clinical instructions, HNF1A-MODY patients often do not meet every diagnostic criteria or they are still misdiagnosed as type 1 and type 2 diabetics. There is a constant effort to find suitable biomarkers to help with in distinguishing of MODY3 from Type 1 Diabetes (T1D) and Type 2 Diabetes (T2D). DNA sequencing is still necessary for unambiguous confirmation of clinical suspicion of MODY. NGS (Next Generation Sequencing) methods brought discoveries of multiple new gene variants and new instructions for their pathogenicity classification were required. The most actual problem is classification of variants with uncertain significance (VUS) which is a stumbling-block for clinical interpretation. Since MODY is a hereditary disease, DNA analysis of family members is helpful or even crucial. This review is updated summary about HNF1A-MODY genetics, pathophysiology, clinics functional studies and variant classification.
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Intercellular crosstalk of hepatic stellate cells in liver fibrosis: New insights into therapy. Pharmacol Res 2020; 155:104720. [PMID: 32092405 DOI: 10.1016/j.phrs.2020.104720] [Citation(s) in RCA: 93] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 01/08/2020] [Accepted: 02/20/2020] [Indexed: 02/08/2023]
Abstract
Liver fibrosis is a dynamic wound-healing process characterized by the net accumulation of extracellular matrix. There is no efficient antifibrotic therapy other than liver transplantation to date. Activated hepatic stellate cells (HSCs) are the major cellular source of matrix-producing myofibroblasts, playing a central role in the initiation and progression of liver fibrosis. Paracrine signals from resident and inflammatory cells such as hepatocytes, liver sinusoidal endothelial cells, hepatic macrophages, natural killer/natural killer T cells, biliary epithelial cells, hepatic progenitor cells, and platelets can directly or indirectly regulate HSC differentiation and activation. Intercellular crosstalk between HSCs and those "responded" cells has been a critical event involved in HSC activation and fibrogenesis. This review summarizes recent advancement regarding intercellular communication between HSCs and other "responded cells" during liver fibrosis and experimental models of intercellular crosstalk systems, and provides novel ideas for potential antifibrotic therapeutic strategy.
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35
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Glonnegger H, Schulze M, Kathemann S, Berg S, Füllgraf H, Tannapfel A, Gerner P, Grohmann J, Niemeyer C, Hettmer S. Case Report: Hepatic Adenoma in a Child With a Congenital Extrahepatic Portosystemic Shunt. Front Pediatr 2020; 8:501. [PMID: 32984213 PMCID: PMC7477041 DOI: 10.3389/fped.2020.00501] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2020] [Accepted: 07/15/2020] [Indexed: 12/19/2022] Open
Abstract
Congenital extrahepatic portosystemic shunts (CEPS), previously also described as Abernethy malformations, are rare malformations in which the extrahepatic portal system directly communicates with the vena cava inferior, thereby bypassing the liver. A hypoplastic portal vein (PV) exists in most cases. CEPS have been associated with the development of liver nodules, ranging from mostly focal nodular hyperplasia (FNH) to hepatic adenoma (HA) and even hepatocellular carcinoma (HCC). Tumor development in CEPS may be due to changes in perfusion pressures, oxygen supply or endocrine imbalances. It is important to rule out CEPS in children with liver tumors, because resection could impede future shunt occlusion procedures, and benign masses may regress after shunt occlusion. Here, we review the case of a 9-years-old male with CEPS and hepatic nuclear Factor 1-alpha (HNF-1-alpha) inactivated HA to raise awareness of this condition and review histopathological changes in the liver of CEPS.
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Affiliation(s)
- Hannah Glonnegger
- Division of Pediatric Hematology and Oncology, Department of Pediatrics and Adolescent Medicine, Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Freiburg im Breisgau, Germany
| | - Maren Schulze
- Department of Transplant and General Surgery, University Hospital Essen, Essen, Germany
| | - Simone Kathemann
- Department of Transplant and General Surgery, University Hospital Essen, Essen, Germany
| | - Sebastian Berg
- Division of Pediatric Radiology, Department of Radiology, Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Freiburg im Breisgau, Germany
| | - Hannah Füllgraf
- Department of Pathology, Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Freiburg im Breisgau, Germany
| | - Andrea Tannapfel
- Faculty of Medicine, Medical Center, Institute for Pathology, Ruhr-University Bochum, Bochum, Germany
| | - Patrick Gerner
- Department of Pediatrics and Adolescent Medicine, Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Freiburg im Breisgau, Germany
| | - Jochen Grohmann
- Department of Congenital Heart Defects and Pediatric Cardiology, Faculty of Medicine, University Heart Center Freiburg-Bad Krozingen, University of Freiburg, Freiburg im Breisgau, Germany
| | - Charlotte Niemeyer
- Division of Pediatric Hematology and Oncology, Department of Pediatrics and Adolescent Medicine, Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Freiburg im Breisgau, Germany
| | - Simone Hettmer
- Division of Pediatric Hematology and Oncology, Department of Pediatrics and Adolescent Medicine, Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Freiburg im Breisgau, Germany
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Wang X, Hassan W, Zhao J, Bakht S, Nie Y, Wang Y, Pang Q, Huang Z. The impact of hepatocyte nuclear factor-1α on liver malignancies and cell stemness with metabolic consequences. Stem Cell Res Ther 2019; 10:315. [PMID: 31685031 PMCID: PMC6829964 DOI: 10.1186/s13287-019-1438-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 09/03/2019] [Accepted: 10/01/2019] [Indexed: 01/18/2023] Open
Abstract
Hepatocyte nuclear factor-1 alpha (HNF-1α) is a transcription factor expressed predominantly in the liver among other organs. Structurally, it contains POU-homeodomain that binds to DNA and form proteins that help in maintaining cellular homeostasis, controlling metabolism, and differentiating cell lineages. Scientific research over the period of three decades has reported it as an important player in various liver malignancies such as hepatocellular cancers (HCCs), hepatocellular adenoma (HA), and a more specific HNF-1α-inactivated human hepatocellular adenoma (H-HCAs). Abundant clinical and rodent data have noted the downregulation of HNF-1α in parallel with liver malignancies. It is also interesting to notice that the co-occurrence of mutated HNF-1α expression and hepatic carcinomas transpires typically along with metabolic repercussion. Moreover, scientific data implies that HNF-1α exerts its effects on cell stemness and hence can indirectly impact liver malignancies and metabolic functioning. The effects of HNF-1α on cell stemness present a future opportunity to explore a possible and potential breakthrough. Although the mechanism through which inactivated HNF-1α leads to hepatic malignancies remain largely obscure, several key signal molecules or pathways, including TNF-α, SHP-1, CDH17, SIRT, and MIA-2, have been reported to take part in the regulations of HNF-1α. It can be concluded from the present scientific data that HNF-1α has a great potential to serve as a target for liver malignancies and cell stemness.
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Affiliation(s)
- Xue Wang
- Laboratory of Cancer Epigenetics, Wuxi School of Medicine, Jiangnan University, Wuxi, China
| | - Waseem Hassan
- Department of Pharmacy, COMSATS University Islamabad, Lahore campus, Lahore, Pakistan
| | - Jing Zhao
- Laboratory of Cancer Epigenetics, Wuxi School of Medicine, Jiangnan University, Wuxi, China
| | - Sahar Bakht
- Department of Pharmacy, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | - Yunjuan Nie
- Laboratory of Cancer Epigenetics, Wuxi School of Medicine, Jiangnan University, Wuxi, China
| | - Ying Wang
- Laboratory of Cancer Epigenetics, Wuxi School of Medicine, Jiangnan University, Wuxi, China.,Wuxi Cancer Institute, Affiliated Hospital of Jiangnan University, Wuxi, 214062, Jiangsu, China
| | - Qingfeng Pang
- Department of physiopathology, Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu province, China
| | - Zhaohui Huang
- Laboratory of Cancer Epigenetics, Wuxi School of Medicine, Jiangnan University, Wuxi, China. .,Wuxi Cancer Institute, Affiliated Hospital of Jiangnan University, Wuxi, 214062, Jiangsu, China.
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Begum S. Hepatic Nuclear Factor 1 Alpha (HNF-1α) In Human Physiology and Molecular Medicine. Curr Mol Pharmacol 2019; 13:50-56. [PMID: 31566143 DOI: 10.2174/1874467212666190930144349] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Revised: 09/02/2019] [Accepted: 09/05/2019] [Indexed: 11/22/2022]
Abstract
The transcription factors (TFs) play a crucial role in the modulation of specific gene transcription networks. One of the hepatocyte nuclear factors (HNFs) family's member, hepatocyte nuclear factor-1α (HNF-1α) has continuously become a principal TF to control the expression of genes. It is involved in the regulation of a variety of functions in various human organs including liver, pancreas, intestine, and kidney. It regulates the expression of enzymes involved in endocrine and xenobiotic activity through various metabolite transporters located in the above organs. Its expression is also required for organ-specific cell fate determination. Despite two decades of its first identification in hepatocytes, a review of its significance was not comprehended. Here, the role of HNF-1α in the above organs at the molecular level to intimate molecular mechanisms for regulating certain gene expression whose malfunctions are attributed to the disease conditions has been specifically encouraged. Moreover, the epigenetic effects of HNF-1α have been discussed here, which could help in advanced technologies for molecular pharmacological intervention and potential clinical implications for targeted therapies. HNF-1α plays an indispensable role in several physiological mechanisms in the liver, pancreas, intestine, and kidney. Loss of its operations leads to the non-functional or abnormal functional state of each organ. Specific molecular agents or epigenetic modifying drugs that reactivate HNF-1α are the current requirements for the medications of the diseases.
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Affiliation(s)
- Sumreen Begum
- Stem Cells Research Laboratory (SCRL), Sindh Institute of Urology and Transplantation (SIUT), Karachi, Pakistan
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van der Wijst J, Belge H, Bindels RJM, Devuyst O. Learning Physiology From Inherited Kidney Disorders. Physiol Rev 2019; 99:1575-1653. [PMID: 31215303 DOI: 10.1152/physrev.00008.2018] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
The identification of genes causing inherited kidney diseases yielded crucial insights in the molecular basis of disease and improved our understanding of physiological processes that operate in the kidney. Monogenic kidney disorders are caused by mutations in genes coding for a large variety of proteins including receptors, channels and transporters, enzymes, transcription factors, and structural components, operating in specialized cell types that perform highly regulated homeostatic functions. Common variants in some of these genes are also associated with complex traits, as evidenced by genome-wide association studies in the general population. In this review, we discuss how the molecular genetics of inherited disorders affecting different tubular segments of the nephron improved our understanding of various transport processes and of their involvement in homeostasis, while providing novel therapeutic targets. These include inherited disorders causing a dysfunction of the proximal tubule (renal Fanconi syndrome), with emphasis on epithelial differentiation and receptor-mediated endocytosis, or affecting the reabsorption of glucose, the handling of uric acid, and the reabsorption of sodium, calcium, and magnesium along the kidney tubule.
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Affiliation(s)
- Jenny van der Wijst
- Department of Physiology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center , Nijmegen , The Netherlands ; Institute of Physiology, University of Zurich , Zurich , Switzerland ; and Division of Nephrology, Institute of Experimental and Clinical Research (IREC), Medical School, Université catholique de Louvain, Brussels, Belgium
| | - Hendrica Belge
- Department of Physiology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center , Nijmegen , The Netherlands ; Institute of Physiology, University of Zurich , Zurich , Switzerland ; and Division of Nephrology, Institute of Experimental and Clinical Research (IREC), Medical School, Université catholique de Louvain, Brussels, Belgium
| | - René J M Bindels
- Department of Physiology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center , Nijmegen , The Netherlands ; Institute of Physiology, University of Zurich , Zurich , Switzerland ; and Division of Nephrology, Institute of Experimental and Clinical Research (IREC), Medical School, Université catholique de Louvain, Brussels, Belgium
| | - Olivier Devuyst
- Department of Physiology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center , Nijmegen , The Netherlands ; Institute of Physiology, University of Zurich , Zurich , Switzerland ; and Division of Nephrology, Institute of Experimental and Clinical Research (IREC), Medical School, Université catholique de Louvain, Brussels, Belgium
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Salzano G, Passanisi S, Mammì C, Priolo M, Pintomalli L, Caminiti L, Messina MF, Pajno GB, Lombardo F. Maturity Onset Diabetes of the Young is Not Necessarily Associated with Autosomal Inheritance: Case Description of a De Novo HFN1A Mutation. Diabetes Ther 2019; 10:1543-1548. [PMID: 31098941 PMCID: PMC6612332 DOI: 10.1007/s13300-019-0633-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Indexed: 12/12/2022] Open
Abstract
Maturity onset diabetes of the young (MODY) accounts for up to 4% of all cases of diabetes in pediatric patients. MODY is usually characterized by autosomal dominant inheritance, impaired insulin secretion, and an average age at diagnosis of 18-26 years. Mutations in the hepatocyte nuclear factor 1-alpha (HNF1A), glucokinase, hepatocyte nuclear factor 4-alpha, and hepatocyte nuclear factor 1-beta genes are the mutations most frequently observed in cases of MODY. We herein report a case of HNF1A-MODY characterized by an early onset of diabetes. Genetic investigations revealed a de novo heterozygous substitution, N237D (HNF1A c.709A>G), in exon 3 of the HNF1A gene. Our case supports the hypothesis that de novo mutations are more frequent than expected. This recent evidence may suggest that conventional clinical diagnostic criteria for MODY should be revised and personalized according to the individual patient.
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Affiliation(s)
- Giuseppina Salzano
- Department of Human Pathology in Adult and Developmental Age "Gaetano Barresi", University of Messina, Via Consolare Valeria 1, 98124, Messina, Italy
| | - Stefano Passanisi
- Department of Human Pathology in Adult and Developmental Age "Gaetano Barresi", University of Messina, Via Consolare Valeria 1, 98124, Messina, Italy.
| | - Corrado Mammì
- Grande Ospedale Metropolitano, UOSD Genetica Medica, Reggio Calabria, Italy
| | - Manuela Priolo
- Grande Ospedale Metropolitano, UOSD Genetica Medica, Reggio Calabria, Italy
| | - Letizia Pintomalli
- Grande Ospedale Metropolitano, UOSD Genetica Medica, Reggio Calabria, Italy
| | - Lucia Caminiti
- Department of Human Pathology in Adult and Developmental Age "Gaetano Barresi", University of Messina, Via Consolare Valeria 1, 98124, Messina, Italy
| | - Maria F Messina
- Department of Human Pathology in Adult and Developmental Age "Gaetano Barresi", University of Messina, Via Consolare Valeria 1, 98124, Messina, Italy
| | - Giovanni B Pajno
- Department of Human Pathology in Adult and Developmental Age "Gaetano Barresi", University of Messina, Via Consolare Valeria 1, 98124, Messina, Italy
| | - Fortunato Lombardo
- Department of Human Pathology in Adult and Developmental Age "Gaetano Barresi", University of Messina, Via Consolare Valeria 1, 98124, Messina, Italy
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40
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Quantitative Trait Locus and Integrative Genomics Revealed Candidate Modifier Genes for Ectopic Mineralization in Mouse Models of Pseudoxanthoma Elasticum. J Invest Dermatol 2019; 139:2447-2457.e7. [PMID: 31207231 DOI: 10.1016/j.jid.2019.04.023] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Revised: 03/28/2019] [Accepted: 04/26/2019] [Indexed: 02/06/2023]
Abstract
Pseudoxanthoma elasticum, a prototype of heritable multisystem ectopic mineralization disorders, is caused by mutations in the ABCC6 gene encoding a putative efflux transporter, ABCC6. The phenotypic spectrum of pseudoxanthoma elasticum varies, and the correlation between genotype and phenotype has not been established. To identify genetic modifiers, we performed quantitative trait locus analysis in inbred mouse strains that carry the same hypomorphic allele in Abcc6 yet with highly variable ectopic mineralization phenotypes of pseudoxanthoma elasticum. Abcc6 was confirmed as a major determinant for ectopic mineralization in multiple tissues. Integrative analysis using functional genomics tools that included GeneWeaver, String, and Mouse Genome Informatics identified a total of nine additional candidate modifier genes that could influence the organ-specific ectopic mineralization phenotypes. Integration of the candidate genes into the existing ectopic mineralization gene network expands the current knowledge on the complexity of the network that, as a whole, governs ectopic mineralization in soft connective tissues.
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41
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Pace NP, Rizzo C, Abela A, Gruppetta M, Fava S, Felice A, Vassallo J. Identification of an HNF1A p.Gly292fs Frameshift Mutation Presenting as Diabetes During Pregnancy in a Maltese Family. CLINICAL MEDICINE INSIGHTS-CASE REPORTS 2019; 12:1179547619831034. [PMID: 30814848 PMCID: PMC6383084 DOI: 10.1177/1179547619831034] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Accepted: 01/18/2019] [Indexed: 12/15/2022]
Abstract
The diagnosis of maturity onset diabetes of the young (MODY) is a challenging
process in view of the extensive clinical and genetic heterogeneity of the
disease. Mutations in the gene encoding hepatocyte nuclear factor 1α
(HNF1A) are responsible for most forms of monogenic
diabetes in Northern European populations. Genetic analysis through a
combination of whole exome sequencing and Sanger sequencing in three Maltese
siblings and their father identified a rare duplication/frameshift mutation in
exon 4 of HNF1A that lies within a known mutational hotspot in
this gene. In this report, we provide the first description of an
HNF1A-MODY3 phenotype in a Maltese family. The findings
reported are relevant and new to a regional population, where the epidemiology
of atypical diabetes has never been studied before. This report is of clinical
interest as it highlights how monogenic diabetes can be misdiagnosed as either
type 1, type 2, or gestational diabetes. It also reinforces the need for a
better characterisation of monogenic diabetes in Mediterranean countries,
particularly in island populations such as Malta with a high prevalence of
diabetes.
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Affiliation(s)
- Nikolai Paul Pace
- Centre for Molecular Medicine and Biobanking, University of Malta, Msida, Malta
| | | | - Alexia Abela
- Department of Medicine, Mater Dei Hospital, Msida, Malta
| | - Mark Gruppetta
- Department of Medicine, Mater Dei Hospital, Msida, Malta
| | - Stephen Fava
- Department of Medicine, Mater Dei Hospital, Msida, Malta
| | - Alex Felice
- Centre for Molecular Medicine and Biobanking, University of Malta, Msida, Malta
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Hiratsuka K, Monkawa T, Akiyama T, Nakatake Y, Oda M, Goparaju SK, Kimura H, Chikazawa-Nohtomi N, Sato S, Ishiguro K, Yamaguchi S, Suzuki S, Morizane R, Ko SBH, Itoh H, Ko MSH. Induction of human pluripotent stem cells into kidney tissues by synthetic mRNAs encoding transcription factors. Sci Rep 2019; 9:913. [PMID: 30696889 PMCID: PMC6351687 DOI: 10.1038/s41598-018-37485-8] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Accepted: 12/05/2018] [Indexed: 01/10/2023] Open
Abstract
The derivation of kidney tissues from human pluripotent stem cells (hPSCs) and its application for replacement therapy in end-stage renal disease have been widely discussed. Here we report that consecutive transfections of two sets of synthetic mRNAs encoding transcription factors can induce rapid and efficient differentiation of hPSCs into kidney tissues, termed induced nephron-like organoids (iNephLOs). The first set - FIGLA, PITX2, ASCL1 and TFAP2C, differentiated hPSCs into SIX2+SALL1+ nephron progenitor cells with 92% efficiency within 2 days. Subsequently, the second set - HNF1A, GATA3, GATA1 and EMX2, differentiated these cells into PAX8+LHX1+ pretubular aggregates in another 2 days. Further culture in both 2-dimensional and 3-dimensional conditions produced iNephLOs containing cells characterized as podocytes, proximal tubules, and distal tubules in an additional 10 days. Global gene expression profiles showed similarities between iNephLOs and the human adult kidney, suggesting possible uses of iNephLOs as in vitro models for kidneys.
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Affiliation(s)
- Ken Hiratsuka
- Department of Systems Medicine, Keio University School of Medicine, 35 Shinanomachi, Shinjuku, Tokyo, 160-8582, Japan
- Department of Nephrology, Endocrinology, and Metabolism, Keio University School of Medicine, 35 Shinanomachi, Shinjuku, Tokyo, 160-8582, Japan
| | - Toshiaki Monkawa
- Department of Nephrology, Endocrinology, and Metabolism, Keio University School of Medicine, 35 Shinanomachi, Shinjuku, Tokyo, 160-8582, Japan
- Medical Education Center, Keio University School of Medicine, 35 Shinanomachi, Shinjuku, Tokyo, 160-8582, Japan
| | - Tomohiko Akiyama
- Department of Systems Medicine, Keio University School of Medicine, 35 Shinanomachi, Shinjuku, Tokyo, 160-8582, Japan
| | - Yuhki Nakatake
- Department of Systems Medicine, Keio University School of Medicine, 35 Shinanomachi, Shinjuku, Tokyo, 160-8582, Japan
| | - Mayumi Oda
- Department of Systems Medicine, Keio University School of Medicine, 35 Shinanomachi, Shinjuku, Tokyo, 160-8582, Japan
| | - Sravan Kumar Goparaju
- Department of Systems Medicine, Keio University School of Medicine, 35 Shinanomachi, Shinjuku, Tokyo, 160-8582, Japan
| | - Hiromi Kimura
- Department of Systems Medicine, Keio University School of Medicine, 35 Shinanomachi, Shinjuku, Tokyo, 160-8582, Japan
| | - Nana Chikazawa-Nohtomi
- Department of Systems Medicine, Keio University School of Medicine, 35 Shinanomachi, Shinjuku, Tokyo, 160-8582, Japan
| | - Saeko Sato
- Department of Systems Medicine, Keio University School of Medicine, 35 Shinanomachi, Shinjuku, Tokyo, 160-8582, Japan
| | - Keiichiro Ishiguro
- Department of Systems Medicine, Keio University School of Medicine, 35 Shinanomachi, Shinjuku, Tokyo, 160-8582, Japan
- Institute of Molecular Embryology and Genetics, Kumamoto University, 2-2-1 Honjo, Chuo-ku, Kumamoto, 860-0811, Japan
| | - Shintaro Yamaguchi
- Department of Nephrology, Endocrinology, and Metabolism, Keio University School of Medicine, 35 Shinanomachi, Shinjuku, Tokyo, 160-8582, Japan
| | - Sayuri Suzuki
- Department of Nephrology, Endocrinology, and Metabolism, Keio University School of Medicine, 35 Shinanomachi, Shinjuku, Tokyo, 160-8582, Japan
| | - Ryuji Morizane
- Department of Nephrology, Endocrinology, and Metabolism, Keio University School of Medicine, 35 Shinanomachi, Shinjuku, Tokyo, 160-8582, Japan
- Renal Division, Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts, USA
- Department of Medicine, Harvard Medical School, Boston, Massachusetts, USA
- Harvard Stem Cell Institute, Cambridge, Massachusetts, USA
| | - Shigeru B H Ko
- Department of Systems Medicine, Keio University School of Medicine, 35 Shinanomachi, Shinjuku, Tokyo, 160-8582, Japan
| | - Hiroshi Itoh
- Department of Nephrology, Endocrinology, and Metabolism, Keio University School of Medicine, 35 Shinanomachi, Shinjuku, Tokyo, 160-8582, Japan
| | - Minoru S H Ko
- Department of Systems Medicine, Keio University School of Medicine, 35 Shinanomachi, Shinjuku, Tokyo, 160-8582, Japan.
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Tan J, Xu J, Wei G, Zhang L, Sun L, Wang G, Li F, Jiang F. HNF1 α Controls Liver Lipid Metabolism and Insulin Resistance via Negatively Regulating the SOCS-3-STAT3 Signaling Pathway. J Diabetes Res 2019; 2019:5483946. [PMID: 31223625 PMCID: PMC6541945 DOI: 10.1155/2019/5483946] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2018] [Revised: 03/12/2019] [Accepted: 03/20/2019] [Indexed: 01/30/2023] Open
Abstract
This study is aimed at evaluating the effects, functions, and mechanism of HNF1α on hepatic glycolipid metabolism. In this study, free fatty acid- (FFA-) induced steatosis of hepatocyte liver cell LO2 was used as an in vitro model. The methods of Oil Red O staining, RT-qPCR, western blot, and immunofluorescence staining were used to detect LO2-regulated HNF1α expression and its effects on FFA-induced LO2 cell steatosis, the insulin signaling and SOCS-3-STAT3 signaling pathways, the expression of lipid metabolism-related regulators, and phosphorylation. With increased FFA induction time, the expression of HNF1α in the LO2 fatty degeneration hepatic cells gradually decreased. Downregulation of HNF1α expression aggravated FFA-induced steatosis of LO2 hepatocytes. HNF1α promotes activation of the insulin pathway and oxidative breakdown of fat and inhibits lipid anabolism. Inhibitors of STAT3 can reverse the regulation of decreased HNF1α expression on the insulin signaling pathway and fat metabolism. We also confirmed this pathway using HNF1α-/- mice combining treatment with STAT3 inhibitor NSC 74859 in vivo. HNF1α regulates hepatic lipid metabolism by promoting the expression of SOCS-3 and negatively regulating the STAT3 signaling pathway.
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Affiliation(s)
- Jiaorong Tan
- Department of Endocrinology, People's Hospital of Shanghai Putuo, Tongji University School of Medicine, Shanghai 200060, China
| | - Jiahong Xu
- Department of Cardiology, Tongji Hospital, Tongji University School of Medicine, Shanghai 200065, China
| | - Guohua Wei
- Department of Gastroenterology, People's Hospital of Shanghai Putuo, Tongji University School of Medicine, Shanghai 200060, China
| | - Lijuan Zhang
- Department of Endocrinology, People's Hospital of Shanghai Putuo, Tongji University School of Medicine, Shanghai 200060, China
| | - Long'e Sun
- Department of Gastroenterology, People's Hospital of Shanghai Putuo, Tongji University School of Medicine, Shanghai 200060, China
| | - Guangyu Wang
- Department of Endocrinology, People's Hospital of Shanghai Putuo, Tongji University School of Medicine, Shanghai 200060, China
| | - Fei Li
- Department of Endocrinology, People's Hospital of Shanghai Putuo, Tongji University School of Medicine, Shanghai 200060, China
| | - Fengxiang Jiang
- Department of Gastroenterology, People's Hospital of Shanghai Putuo, Tongji University School of Medicine, Shanghai 200060, China
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44
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Yu Y, Liang S, Zhou Y, Li S, Li Y, Liao W. HNF1A/CASC2 regulates pancreatic cancer cell proliferation through PTEN/Akt signaling. J Cell Biochem 2018; 120:2816-2827. [PMID: 28865121 DOI: 10.1002/jcb.26395] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2017] [Accepted: 08/30/2017] [Indexed: 12/20/2022]
Affiliation(s)
- Yaqun Yu
- Department of Pancreatic Biliary Surgery Xiangya Hospital, Central South University Changsha China
- Department of Hepatobiliary and Pancreatic Surgery The Affiliated Hospital of Guilin Medical College Guilin Guangxi China
| | - Shuai Liang
- Department of Pancreatic Biliary Surgery Xiangya Hospital, Central South University Changsha China
| | - Yingqiong Zhou
- Department of Pathology The Affiliated Hospital of Guilin Medical College Guilin Guangxi China
| | - Shuqun Li
- Department of Hepatobiliary and Pancreatic Surgery The Affiliated Hospital of Guilin Medical College Guilin Guangxi China
| | - Yixiong Li
- Department of Pancreatic Biliary Surgery Xiangya Hospital, Central South University Changsha China
| | - Weijia Liao
- Department of Hepatobiliary and Pancreatic Surgery The Affiliated Hospital of Guilin Medical College Guilin Guangxi China
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45
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Improvement of hyperglycemia in a murine model of insulin resistance and high glucose- and inflammasome-mediated IL-1β expressions in macrophages by silymarin. Chem Biol Interact 2018; 290:12-18. [DOI: 10.1016/j.cbi.2018.05.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2017] [Revised: 01/09/2018] [Accepted: 05/08/2018] [Indexed: 12/17/2022]
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46
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A protein activity assay to measure global transcription factor activity reveals determinants of chromatin accessibility. Nat Biotechnol 2018; 36:521-529. [DOI: 10.1038/nbt.4138] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Accepted: 03/23/2018] [Indexed: 12/29/2022]
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47
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Lim KT, Kim J, Hwang SI, Zhang L, Han H, Bae D, Kim KP, Hu YP, Schöler HR, Lee I, Hui L, Han DW. Direct Conversion of Mouse Fibroblasts into Cholangiocyte Progenitor Cells. Stem Cell Reports 2018; 10:1522-1536. [PMID: 29606616 PMCID: PMC5995161 DOI: 10.1016/j.stemcr.2018.03.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2017] [Revised: 03/04/2018] [Accepted: 03/05/2018] [Indexed: 12/19/2022] Open
Abstract
Disorders of the biliary epithelium, known as cholangiopathies, cause severe and irreversible liver diseases. The limited accessibility of bile duct precludes modeling of several cholangiocyte-mediated diseases. Therefore, novel approaches for obtaining functional cholangiocytes with high purity are needed. Previous work has shown that the combination of Hnf1β and Foxa3 could directly convert mouse fibroblasts into bipotential hepatic stem cell-like cells, termed iHepSCs. However, the efficiency of converting fibroblasts into iHepSCs is low, and these iHepSCs exhibit extremely low differentiation potential into cholangiocytes, thus hindering the translation of iHepSCs to the clinic. Here, we describe that the expression of Hnf1α and Foxa3 dramatically facilitates the robust generation of iHepSCs. Notably, prolonged in vitro culture of Hnf1α- and Foxa3-derived iHepSCs induces a Notch signaling-mediated secondary conversion into cholangiocyte progenitor-like cells that display dramatically enhanced differentiation capacity into mature cholangiocytes. Our study provides a robust two-step approach for obtaining cholangiocyte progenitor-like cells using defined factors.
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Affiliation(s)
- Kyung Tae Lim
- Department of Stem Cell Biology, School of Medicine, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea
| | - Jonghun Kim
- Department of Stem Cell Biology, School of Medicine, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea
| | - Seon In Hwang
- Department of Stem Cell Biology, School of Medicine, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea
| | - Ludi Zhang
- State Key Laboratory of Cell Biology, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Heonjong Han
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul 04056, Republic of Korea
| | - Dasom Bae
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul 04056, Republic of Korea
| | - Kee-Pyo Kim
- Department of Cell and Developmental Biology, Max Planck Institute for Molecular Biomedicine, Röntgenstrasse 20, 48149 Münster, Germany
| | - Yi-Ping Hu
- Department of Cell Biology, Second Military Medical University, Shanghai 200433, China
| | - Hans R Schöler
- Department of Stem Cell Biology, School of Medicine, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea; Department of Cell and Developmental Biology, Max Planck Institute for Molecular Biomedicine, Röntgenstrasse 20, 48149 Münster, Germany
| | - Insuk Lee
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul 04056, Republic of Korea
| | - Lijian Hui
- State Key Laboratory of Cell Biology, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Dong Wook Han
- Department of Stem Cell Biology, School of Medicine, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea; KU Open-Innovation Center, Institute of Biomedical Science & Technology, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea; Department of Advanced Translational Medicine, School of Medicine, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea.
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48
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The molecular functions of hepatocyte nuclear factors - In and beyond the liver. J Hepatol 2018; 68:1033-1048. [PMID: 29175243 DOI: 10.1016/j.jhep.2017.11.026] [Citation(s) in RCA: 140] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2017] [Revised: 11/16/2017] [Accepted: 11/20/2017] [Indexed: 12/27/2022]
Abstract
The hepatocyte nuclear factors (HNFs) namely HNF1α/β, FOXA1/2/3, HNF4α/γ and ONECUT1/2 are expressed in a variety of tissues and organs, including the liver, pancreas and kidney. The spatial and temporal manner of HNF expression regulates embryonic development and subsequently the development of multiple tissues during adulthood. Though the HNFs were initially identified individually based on their roles in the liver, numerous studies have now revealed that the HNFs cross-regulate one another and exhibit synergistic relationships in the regulation of tissue development and function. The complex HNF transcriptional regulatory networks have largely been elucidated in rodent models, but less so in human biological systems. Several heterozygous mutations in these HNFs were found to cause diseases in humans but not in rodents, suggesting clear species-specific differences in mutational mechanisms that remain to be uncovered. In this review, we compare and contrast the expression patterns of the HNFs, the HNF cross-regulatory networks and how these liver-enriched transcription factors serve multiple functions in the liver and beyond, extending our focus to the pancreas and kidney. We also summarise the insights gained from both human and rodent studies of mutations in several HNFs that are known to lead to different disease conditions.
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49
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Nguyen LT, Reverter A, Cánovas A, Venus B, Anderson ST, Islas-Trejo A, Dias MM, Crawford NF, Lehnert SA, Medrano JF, Thomas MG, Moore SS, Fortes MRS. STAT6, PBX2, and PBRM1 Emerge as Predicted Regulators of 452 Differentially Expressed Genes Associated With Puberty in Brahman Heifers. Front Genet 2018; 9:87. [PMID: 29616079 PMCID: PMC5869259 DOI: 10.3389/fgene.2018.00087] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Accepted: 03/02/2018] [Indexed: 12/17/2022] Open
Abstract
The liver plays a central role in metabolism and produces important hormones. Hepatic estrogen receptors and the release of insulin-like growth factor 1 (IGF1) are critical links between liver function and the reproductive system. However, the role of liver in pubertal development is not fully understood. To explore this question, we applied transcriptomic analyses to liver samples of pre- and post-pubertal Brahman heifers and identified differentially expressed (DE) genes and genes encoding transcription factors (TFs). Differential expression of genes suggests potential biological mechanisms and pathways linking liver function to puberty. The analyses identified 452 DE genes and 82 TF with significant contribution to differential gene expression by using a regulatory impact factor metric. Brain-derived neurotrophic factor was observed as the most down-regulated gene (P = 0.003) in post-pubertal heifers and we propose this gene influences pubertal development in Brahman heifers. Additionally, co-expression network analysis provided evidence for three TF as key regulators of liver function during pubertal development: the signal transducer and activator of transcription 6, PBX homeobox 2, and polybromo 1. Pathway enrichment analysis identified transforming growth factor-beta and Wnt signaling pathways as significant annotation terms for the list of DE genes and TF in the co-expression network. Molecular information regarding genes and pathways described in this work are important to further our understanding of puberty onset in Brahman heifers.
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Affiliation(s)
- Loan T Nguyen
- School of Chemistry and Molecular Biosciences, The University of Queensland, St. Lucia, QLD, Australia.,Faculty of Biotechnology, Vietnam National University of Agriculture, Hanoi, Vietnam
| | - Antonio Reverter
- CSIRO Agriculture and Food, Queensland Bioscience Precinct, St. Lucia, QLD, Australia
| | - Angela Cánovas
- Centre for Genetic Improvement of Livestock, Department of Animal Biosciences, University of Guelph, Guelph, ON, Canada
| | - Bronwyn Venus
- Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, St. Lucia, QLD, Australia
| | - Stephen T Anderson
- School of Biomedical Sciences, The University of Queensland, Brisbane, QLD, Australia
| | - Alma Islas-Trejo
- Department of Animal Science, University of California, Davis, Davis, CA, United States
| | - Marina M Dias
- Departamento de Zootecnia, Faculdade de Ciências Agráìrias e Veterináìrias, Universidade Estadual Paulista Júlio de Mesquita Filho, São Paulo, Brazil
| | - Natalie F Crawford
- Department of Animal Science, Colorado State University, Fort Collins, CO, United States
| | - Sigrid A Lehnert
- CSIRO Agriculture and Food, Queensland Bioscience Precinct, St. Lucia, QLD, Australia
| | - Juan F Medrano
- Department of Animal Science, University of California, Davis, Davis, CA, United States
| | - Milt G Thomas
- Department of Animal Science, Colorado State University, Fort Collins, CO, United States
| | - Stephen S Moore
- Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, St. Lucia, QLD, Australia
| | - Marina R S Fortes
- School of Chemistry and Molecular Biosciences, The University of Queensland, St. Lucia, QLD, Australia.,Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, St. Lucia, QLD, Australia
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Li YF, Altman RB. Systematic target function annotation of human transcription factors. BMC Biol 2018; 16:4. [PMID: 29325558 PMCID: PMC5795274 DOI: 10.1186/s12915-017-0469-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Accepted: 12/06/2017] [Indexed: 01/03/2023] Open
Abstract
Background Transcription factors (TFs), the key players in transcriptional regulation, have attracted great experimental attention, yet the functions of most human TFs remain poorly understood. Recent capabilities in genome-wide protein binding profiling have stimulated systematic studies of the hierarchical organization of human gene regulatory network and DNA-binding specificity of TFs, shedding light on combinatorial gene regulation. We show here that these data also enable a systematic annotation of the biological functions and functional diversity of TFs. Result We compiled a human gene regulatory network for 384 TFs covering the 146,096 TF–target gene (TF–TG) relationships, extracted from over 850 ChIP-seq experiments as well as the literature. By integrating this network of TF–TF and TF–TG relationships with 3715 functional concepts from six sources of gene function annotations, we obtained over 9000 confident functional annotations for 279 TFs. We observe extensive connectivity between TFs and Mendelian diseases, GWAS phenotypes, and pharmacogenetic pathways. Further, we show that TFs link apparently unrelated functions, even when the two functions do not share common genes. Finally, we analyze the pleiotropic functions of TFs and suggest that the increased number of upstream regulators contributes to the functional pleiotropy of TFs. Conclusion Our computational approach is complementary to focused experimental studies on TF functions, and the resulting knowledge can guide experimental design for the discovery of unknown roles of TFs in human disease and drug response. Electronic supplementary material The online version of this article (doi:10.1186/s12915-017-0469-0) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Yong Fuga Li
- Stanford Genome Technology Center, Stanford, CA, USA. .,Department of Bioengineering, Stanford University, Stanford, CA, USA. .,Present address: Department of Bioinformatics, Illumina Inc., San Diego, CA, USA.
| | - Russ B Altman
- Department of Bioengineering, Stanford University, Stanford, CA, USA. .,Department of Genetics, Stanford University, Stanford, CA, USA.
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