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Mandalos NP, Dimou A, Gavala MA, Lambraki E, Remboutsika E. Craniofacial Development Is Fine-Tuned by Sox2. Genes (Basel) 2023; 14:genes14020380. [PMID: 36833308 PMCID: PMC9956624 DOI: 10.3390/genes14020380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Revised: 01/06/2023] [Accepted: 01/28/2023] [Indexed: 02/04/2023] Open
Abstract
The precise control of neural crest stem cell delamination, migration and differentiation ensures proper craniofacial and head development. Sox2 shapes the ontogeny of the cranial neural crest to ensure precision of the cell flow in the developing head. Here, we review how Sox2 orchestrates signals that control these complex developmental processes.
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Affiliation(s)
- Nikolaos Panagiotis Mandalos
- University Research Institute of Maternal and Child Health & Precision Medicine, School of Medicine, National and Kapoditrian University of Athens, 115 27 Athens, Greece
- National Cancer Institute, Frederick, MD 21702, USA
| | - Aikaterini Dimou
- University Research Institute of Maternal and Child Health & Precision Medicine, School of Medicine, National and Kapoditrian University of Athens, 115 27 Athens, Greece
- Center for Translational Medicine and the Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA
| | - Maria Angeliki Gavala
- University Research Institute of Maternal and Child Health & Precision Medicine, School of Medicine, National and Kapoditrian University of Athens, 115 27 Athens, Greece
- National Technical University of Athens, 157 80 Athens, Greece
| | - Efstathia Lambraki
- University Research Institute of Maternal and Child Health & Precision Medicine, School of Medicine, National and Kapoditrian University of Athens, 115 27 Athens, Greece
- Polytechnic School, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
| | - Eumorphia Remboutsika
- University Research Institute of Maternal and Child Health & Precision Medicine, School of Medicine, National and Kapoditrian University of Athens, 115 27 Athens, Greece
- Thrivus Institute for Biomedical Science and Technology, Constellations Ave, Accra GT-336-4330, Ghana
- Correspondence:
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2
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Eenjes E, Tibboel D, Wijnen RMH, Schnater JM, Rottier RJ. SOX2 and SOX21 in Lung Epithelial Differentiation and Repair. Int J Mol Sci 2022; 23:13064. [PMID: 36361852 PMCID: PMC9657681 DOI: 10.3390/ijms232113064] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 10/24/2022] [Accepted: 10/26/2022] [Indexed: 12/05/2022] Open
Abstract
The lung originates from the ventral foregut and develops into an intricate branched structure of airways, alveoli, vessels and support tissue. As the lung develops, cells become specified and differentiate into the various cell lineages. This process is controlled by specific transcription factors, such as the SRY-related HMG-box genes SOX2 and SOX21, that are activated or repressed through intrinsic and extrinsic signals. Disturbances in any of these processes during the development of the lung may lead to various pediatric lung disorders, such as Congenital Diaphragmatic Hernia (CDH), Congenital Pulmonary Airway Malformation (CPAM) and Broncho-Pulmonary Dysplasia (BPD). Changes in the composition of the airways and the alveoli may result in reduced respiratory function and eventually lead to chronic lung disorders. In this concise review, we describe different intrinsic and extrinsic cellular processes required for proper differentiation of the epithelium during development and regeneration, and the influence of the microenvironment on this process with special focus on SOX2 and SOX21.
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Affiliation(s)
- Evelien Eenjes
- Department of Pediatric Surgery, Erasmus MC-Sophia Children’s Hospital, P.O. Box 2040, 3000 CA Rotterdam, The Netherlands
| | - Dick Tibboel
- Department of Pediatric Surgery, Erasmus MC-Sophia Children’s Hospital, P.O. Box 2040, 3000 CA Rotterdam, The Netherlands
| | - Rene M. H. Wijnen
- Department of Pediatric Surgery, Erasmus MC-Sophia Children’s Hospital, P.O. Box 2040, 3000 CA Rotterdam, The Netherlands
| | - Johannes Marco Schnater
- Department of Pediatric Surgery, Erasmus MC-Sophia Children’s Hospital, P.O. Box 2040, 3000 CA Rotterdam, The Netherlands
| | - Robbert J. Rottier
- Department of Pediatric Surgery, Erasmus MC-Sophia Children’s Hospital, P.O. Box 2040, 3000 CA Rotterdam, The Netherlands
- Department of Cell Biology, Erasmus MC, P.O. Box 2040, 3000 CA Rotterdam, The Netherlands
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Liu C, Kang N, Guo Y, Gong P. Advances in Chromodomain Helicase DNA-Binding (CHD) Proteins Regulating Stem Cell Differentiation and Human Diseases. Front Cell Dev Biol 2021; 9:710203. [PMID: 34616726 PMCID: PMC8488160 DOI: 10.3389/fcell.2021.710203] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2021] [Accepted: 07/29/2021] [Indexed: 12/15/2022] Open
Abstract
Background: Regulation of gene expression is critical for stem cell differentiation, tissue development, and human health maintenance. Recently, epigenetic modifications of histone and chromatin remodeling have been verified as key controllers of gene expression and human diseases. Objective: In this study, we review the role of chromodomain helicase DNA-binding (CHD) proteins in stem cell differentiation, cell fate decision, and several known human developmental disorders and cancers. Conclusion: CHD proteins play a crucial role in stem cell differentiation and human diseases.
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Affiliation(s)
- Caojie Liu
- State Key Laboratory of Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, China
| | - Ning Kang
- State Key Laboratory of Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, China
| | - Yuchen Guo
- State Key Laboratory of Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, China
| | - Ping Gong
- State Key Laboratory of Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, China
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Balasubramanian R, Crowley WF. Reproductive endocrine phenotypes relating to CHD7 mutations in humans. AMERICAN JOURNAL OF MEDICAL GENETICS PART C-SEMINARS IN MEDICAL GENETICS 2017; 175:507-515. [PMID: 29152903 DOI: 10.1002/ajmg.c.31585] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2017] [Revised: 09/20/2017] [Accepted: 09/22/2017] [Indexed: 12/20/2022]
Abstract
Mutations in the gene CHD7 cause CHARGE syndrome, a rare multi-organ syndromic disorder. Gonadal defects are common in individuals with CHARGE syndrome (seen in ∼60-80% of cases) and represent the letter "G" in the CHARGE syndrome acronym. The gonadal defect in CHARGE syndrome results from congenital deficiency of the hypothalamic hormone Gonadotropin-releasing hormone (GnRH), which manifests clinically as pubertal failure and infertility, and biochemically as hypogonadotropic hypogonadism (low sex steroid hormone levels with inappropriately normal or low gonadotropin levels). In addition to the gonadal endocrine abnormalities, in a small minority of individuals with CHARGE, additional endocrine defects including growth hormone deficiency, multiple pituitary hormone deficits and primary hypothyroidism may also be seen. CHD7 mutations disrupt the targeting of olfactory axons and the migration of GnRH-synthesizing neurons during embryonic development, resulting in congenital idiopathic hypogonadotropic hypogonadism (IHH) and anosmia (or hyposmia), two features that define human Kallmann syndrome. Since Kallmann syndrome is one of the constituent phenotypes within CHARGE, recent studies have investigated the role of CHD7 mutations in individuals with IHH and established that deleterious missense mutations in CHD7 are associated with Kallmann syndrome as well as normosmic form of IHH. These missense mutations affect the ATPase and nucleosome remodeling activities of the CHD7 protein. These observations suggest that CHD7 protein function is critical for the ontogeny of GnRH neurons and neuroendocrine regulation of GnRH secretion.
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Affiliation(s)
- Ravikumar Balasubramanian
- Harvard Reproductive Endocrine Sciences Center of Excellence in Translation Research & Reproductive Endocrine Unit of the Department of Medicine, Massachusetts General Hospital, Boston, Massachusetts
| | - William F Crowley
- Harvard Reproductive Endocrine Sciences Center of Excellence in Translation Research & Reproductive Endocrine Unit of the Department of Medicine, Massachusetts General Hospital, Boston, Massachusetts.,Daniel K. Podolsky Professor of Medicine, Harvard Medical School, Harvard Reproductive Endocrine Sciences Center, Massachusetts General Hospital, Bartlett Hall Extension, Boston, Massachusetts
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Chu X, Guo X, Jiang Y, Yu H, Liu L, Shan W, Yang Z. Genotranscriptomic meta-analysis of the CHD family chromatin remodelers in human cancers - initial evidence of an oncogenic role for CHD7. Mol Oncol 2017; 11:1348-1360. [PMID: 28649742 PMCID: PMC5623824 DOI: 10.1002/1878-0261.12104] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2017] [Revised: 05/27/2017] [Accepted: 06/10/2017] [Indexed: 12/14/2022] Open
Abstract
Chromodomain helicase DNA binding proteins (CHDs) are characterized by N-terminal tandem chromodomains and a central adenosine triphosphate-dependent helicase domain. CHDs govern the cellular machinery's access to DNA, thereby playing critical roles in various cellular processes including transcription, proliferation, and DNA damage repair. Accumulating evidence demonstrates that mutation and dysregulation of CHDs are implicated in the pathogenesis of developmental disorders and cancer. However, we know little about genomic and transcriptomic alterations and the clinical significance of most CHDs in human cancer. We used TCGA and METABRIC datasets to perform integrated genomic and transcriptomic analyses of nine CHD genes in more than 10 000 primary cancer specimens from 32 tumor types, focusing on breast cancers. We identified associations among recurrent copy number alteration, gene expression, clinicopathological features, and patient survival. We found that CHD7 was the most commonly gained/amplified and mutated, whereas CHD3 was the most deleted across the majority of tumor types, including breast cancer. Overexpression of CHD7 was more prevalent in aggressive subtypes of breast cancer and was significantly correlated with high tumor grade and poor prognosis. CHD7 is required to maintain open, accessible chromatin, thus providing fine-tuning of transcriptional regulation of certain classes of genes. We found that CHD7 expression was positively correlated with a small subset of classical oncogenes, notably NRAS, in breast cancer. Knockdown of CHD7 inhibits cell proliferation and decreases gene expression of several CHD7 targets, including NRAS, in breast cancer cell lines. Thus, our results demonstrate the oncogenic potential of CHD7 and its association with poor prognostic parameters in human cancer.
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Affiliation(s)
- Xiaofang Chu
- Department of OncologyWayne State University School of MedicineDetroitMIUSA
| | - Xuhui Guo
- Department of OncologyWayne State University School of MedicineDetroitMIUSA
- Department of Breast SurgeryAffiliated Cancer Hospital of Zhengzhou UniversityHenanChina
| | - Yuanyuan Jiang
- Department of OncologyWayne State University School of MedicineDetroitMIUSA
| | - Huimei Yu
- Department of OncologyWayne State University School of MedicineDetroitMIUSA
- College of Basic MedicineJilin UniversityChangchunChina
| | - Lanxin Liu
- Department of OncologyWayne State University School of MedicineDetroitMIUSA
| | - Wenqi Shan
- Department of OncologyWayne State University School of MedicineDetroitMIUSA
| | - Zeng‐Quan Yang
- Department of OncologyWayne State University School of MedicineDetroitMIUSA
- Molecular Therapeutics ProgramBarbara Ann Karmanos Cancer InstituteDetroitMIUSA
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Mandalos N, Rhinn M, Granchi Z, Karampelas I, Mitsiadis T, Economides AN, Dollé P, Remboutsika E. Sox2 acts as a rheostat of epithelial to mesenchymal transition during neural crest development. Front Physiol 2014; 5:345. [PMID: 25309446 PMCID: PMC4162359 DOI: 10.3389/fphys.2014.00345] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2014] [Accepted: 08/22/2014] [Indexed: 12/19/2022] Open
Abstract
Precise control of self-renewal and differentiation of progenitor cells into the cranial neural crest (CNC) pool ensures proper head development, guided by signaling pathways such as BMPs, FGFs, Shh and Notch. Here, we show that murine Sox2 plays an essential role in controlling progenitor cell behavior during craniofacial development. A “Conditional by Inversion” Sox2 allele (Sox2COIN) has been employed to generate an epiblast ablation of Sox2 function (Sox2EpINV). Sox2EpINV/+(H) haploinsufficient and conditional (Sox2EpINV/mosaic) mutant embryos proceed beyond gastrulation and die around E11. These mutant embryos exhibit severe anterior malformations, with hydrocephaly and frontonasal truncations, which could be attributed to the deregulation of CNC progenitor cells during their epithelial to mesenchymal transition. This irregularity results in an exacerbated and aberrant migration of Sox10+ NCC in the branchial arches and frontonasal process of the Sox2 mutant embryos. These results suggest a novel role for Sox2 as a regulator of the epithelial to mesenchymal transitions (EMT) that are important for the cell flow in the developing head.
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Affiliation(s)
- Nikolaos Mandalos
- Stem Cell Biology Laboratory, Division of Molecular Biology and Genetics, Biomedical Sciences Research Centre "Alexander Fleming" Vari-Attica, Greece
| | - Muriel Rhinn
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, INSERM, U964, CNRS, UMR7104, Université de Strasbourg Illkirch, France
| | - Zoraide Granchi
- Orofacial Development and Regeneration Unit, Faculty of Medicine, Institute of Oral Biology, University of Zurich, ZZM Zurich, Switzerland
| | - Ioannis Karampelas
- Stem Cell Biology Laboratory, Division of Molecular Biology and Genetics, Biomedical Sciences Research Centre "Alexander Fleming" Vari-Attica, Greece ; Department of Neurosurgery, University Hospitals Case Medical Center Cleveland, OH, USA
| | - Thimios Mitsiadis
- Orofacial Development and Regeneration Unit, Faculty of Medicine, Institute of Oral Biology, University of Zurich, ZZM Zurich, Switzerland
| | | | - Pascal Dollé
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, INSERM, U964, CNRS, UMR7104, Université de Strasbourg Illkirch, France
| | - Eumorphia Remboutsika
- Stem Cell Biology Laboratory, Division of Molecular Biology and Genetics, Biomedical Sciences Research Centre "Alexander Fleming" Vari-Attica, Greece
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Ogier JM, Carpinelli MR, Arhatari BD, Symons RCA, Kile BT, Burt RA. CHD7 deficiency in "Looper", a new mouse model of CHARGE syndrome, results in ossicle malformation, otosclerosis and hearing impairment. PLoS One 2014; 9:e97559. [PMID: 24840056 PMCID: PMC4026240 DOI: 10.1371/journal.pone.0097559] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2013] [Accepted: 04/21/2014] [Indexed: 12/13/2022] Open
Abstract
CHARGE syndrome is a rare human disorder caused by mutations in the gene encoding chromodomain helicase DNA binding protein 7 (CHD7). Characteristics of CHARGE are varied and include developmental ear and hearing anomalies. Here we report a novel mouse model of CHD7 dysfunction, termed Looper. The Looper strain harbours a nonsense mutation (c.5690C>A, p.S1897X) within the Chd7 gene. Looper mice exhibit many of the clinical features of the human syndrome, consistent with previously reported CHARGE models, including growth retardation, facial asymmetry, vestibular defects, eye anomalies, hyperactivity, ossicle malformation, hearing loss and vestibular dysfunction. Looper mice display an otosclerosis-like fusion of the stapes footplate to the cochlear oval window and blepharoconjunctivitis but not coloboma. Looper mice are hyperactive and have vestibular dysfunction but do not display motor impairment.
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Affiliation(s)
| | - Marina R. Carpinelli
- Murdoch Childrens Research Institute, Parkville, Victoria, Australia
- The HEARing Cooperative Research Centre, Parkville, Victoria, Australia
- Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia
- Department of Medical Biology, University of Melbourne, Parkville, Victoria, Australia
| | - Benedicta D. Arhatari
- ARC Centre of Excellence for Coherent X-ray Science, Department of Physics, La Trobe University, Bundoora, Victoria, Australia
| | - R. C. Andrew Symons
- Department of Ophthalmology, Royal Melbourne Hospital, Parkville, Victoria, Australia
| | - Benjamin T. Kile
- Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia
- Department of Medical Biology, University of Melbourne, Parkville, Victoria, Australia
- Department of Genetics, University of Melbourne, Parkville, Victoria, Australia
| | - Rachel A. Burt
- Murdoch Childrens Research Institute, Parkville, Victoria, Australia
- The HEARing Cooperative Research Centre, Parkville, Victoria, Australia
- Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia
- Department of Genetics, University of Melbourne, Parkville, Victoria, Australia
- Department of Paediatrics, University of Melbourne, Parkville, Victoria, Australia
- * E-mail:
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Liu K, Lin B, Zhao M, Yang X, Chen M, Gao A, Liu F, Que J, Lan X. The multiple roles for Sox2 in stem cell maintenance and tumorigenesis. Cell Signal 2013; 25:1264-71. [PMID: 23416461 DOI: 10.1016/j.cellsig.2013.02.013] [Citation(s) in RCA: 195] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2013] [Accepted: 02/10/2013] [Indexed: 12/11/2022]
Abstract
The Sry-containing protein Sox2 initially was known to regulate the self-renewal of the mouse and human embryonic stem cells (ESCs). It is also important for the maintenance of stem cells in multiple adult tissues including the brain and trachea, and it is one of the key transcription factors for establishing induced pluripotent stem cells. Recently, overexpression and gene amplification of Sox2 have been associated with the development of squamous cell carcinoma in multiple tissues such as the lung and esophagus. These different roles for Sox2 involve a complicated regulatory networks consisting of microRNAs, kinases and signaling molecules. While the levels of Sox2 are modulated transcriptionally and translationally, post-translational modification is also important for the various functions of Sox2. In clinics, high levels of Sox2 are correlated with poor prognosis and increased proliferation of cancer stem cells. Therefore targeting Sox2 can be potentially explored for a new therapeutic avenue to treat cancers. This review will focus on the different roles for Sox2 in stem cell maintenance and its oncogenic roles in the context of signal transcription and microRNA regulation. We will also review the main upstream and downstream targets of Sox2, which can be potentially used as therapeutic measures to treat cancer with abnormal levels of Sox2.
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Affiliation(s)
- Kuancan Liu
- Institute for laboratory medicine, Fuzhou General Hospital, PLA, Fuzhou, Fujian, 350025, PR China
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Ware SM, Jefferies JL. New Genetic Insights into Congenital Heart Disease. JOURNAL OF CLINICAL & EXPERIMENTAL CARDIOLOGY 2012; S8:003. [PMID: 22822471 PMCID: PMC3401115 DOI: 10.4172/2155-9880.s8-003] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
There has been remarkable progress in understanding the genetic basis of cardiovascular malformations. Chromosome microarray analysis has provided a new tool to understand the genetic basis of syndromic cardiovascular malformations resulting from microdeletion or microduplication of genetic material, allowing the delineation of new syndromes. Improvements in sequencing technology have led to increasingly comprehensive testing for aortopathy, cardiomyopathy, single gene syndromic disorders, and Mendelian-inherited congenital heart disease. Understanding the genetic etiology for these disorders has improved their clinical recognition and management and led to new guidelines for treatment and family-based diagnosis and surveillance. These new discoveries have also expanded our understanding of the contribution of genetic variation, susceptibility alleles, and epigenetics to isolated congenital heart disease. This review summarizes the current understanding of the genetic basis of syndromic and non-syndromic congenital heart disease and highlights new diagnostic and management recommendations.
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Affiliation(s)
- Stephanie M. Ware
- The Heart Institute, Department of Pediatrics, Cincinnati Children’s Hospital Medical Center, 240 Albert Sabin Way, MLC 7020, Cincinnati, OH 45229-3039, USA
| | - John Lynn Jefferies
- The Heart Institute, Department of Pediatrics, Cincinnati Children’s Hospital Medical Center, 240 Albert Sabin Way, MLC 7020, Cincinnati, OH 45229-3039, USA
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Janssen N, Bergman JEH, Swertz MA, Tranebjaerg L, Lodahl M, Schoots J, Hofstra RMW, van Ravenswaaij-Arts CMA, Hoefsloot LH. Mutation update on the CHD7 gene involved in CHARGE syndrome. Hum Mutat 2012; 33:1149-60. [DOI: 10.1002/humu.22086] [Citation(s) in RCA: 177] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2011] [Accepted: 03/06/2012] [Indexed: 12/17/2022]
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Yeo JC, Ng HH. Transcriptomic analysis of pluripotent stem cells: insights into health and disease. Genome Med 2011; 3:68. [PMID: 22035782 PMCID: PMC3239230 DOI: 10.1186/gm284] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Embryonic stem cells (ESCs) and induced pluripotent stem cells (iPSCs) hold tremendous clinical potential because of their ability to self-renew, and to differentiate into all cell types of the body. This unique capacity of ESCs and iPSCs to form all cell lineages is termed pluripotency. While ESCs and iPSCs are pluripotent and remarkably similar in appearance, whether iPSCs truly resemble ESCs at the molecular level is still being debated. Further research is therefore needed to resolve this issue before iPSCs may be safely applied in humans for cell therapy or regenerative medicine. Nevertheless, the use of iPSCs as an in vitro human genetic disease model has been useful in studying the molecular pathology of complex genetic diseases, as well as facilitating genetic or drug screens. Here, we review recent progress in transcriptomic approaches in the study of ESCs and iPSCs, and discuss how deregulation of these pathways may be involved in the development of disease. Finally, we address the importance of these advances for developing new therapeutics, and the future challenges facing the clinical application of ESCs and iPSCs.
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Affiliation(s)
- Jia-Chi Yeo
- Gene Regulation Laboratory, Genome Institute of Singapore, 60 Biopolis Street, Genome, Singapore 138672.
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