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Nakagawa S, Yamaguchi K, Takane K, Tabata S, Ikenoue T, Furukawa Y. Wnt/β-catenin signaling regulates amino acid metabolism through the suppression of CEBPA and FOXA1 in liver cancer cells. Commun Biol 2024; 7:510. [PMID: 38684876 PMCID: PMC11058205 DOI: 10.1038/s42003-024-06202-9] [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: 11/04/2023] [Accepted: 04/16/2024] [Indexed: 05/02/2024] Open
Abstract
Deregulation of the Wnt/β-catenin pathway is associated with the development of human cancer including colorectal and liver cancer. Although we previously showed that histidine ammonia lyase (HAL) was transcriptionally reduced by the β-catenin/TCF complex in liver cancer cells, the mechanism(s) of its down-regulation by the complex remain to be clarified. In this study, we search for the transcription factor(s) regulating HAL, and identify CEBPA and FOXA1, two factors whose expression is suppressed by the knockdown of β-catenin or TCF7L2. In addition, RNA-seq analysis coupled with genome-wide mapping of CEBPA- and FOXA1-binding regions reveals that these two factors also increase the expression of arginase 1 (ARG1) that catalyzes the hydrolysis of arginine. Metabolome analysis discloses that activated Wnt signaling augments intracellular concentrations of histidine and arginine, and that the signal also increases the level of lactic acid suggesting the induction of the Warburg effect in liver cancer cells. Further analysis reveals that the levels of metabolites of the urea cycle and genes coding its related enzymes are also modulated by the Wnt signaling. These findings shed light on the altered cellular metabolism in the liver by the Wnt/β-catenin pathway through the suppression of liver-enriched transcription factors including CEBPA and FOXA1.
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Affiliation(s)
- Saya Nakagawa
- Division of Clinical Genome Research, Advanced Clinical Research Center, The Institute of Medical Science, The University of Tokyo, Tokyo, 108-8639, Japan
| | - Kiyoshi Yamaguchi
- Division of Clinical Genome Research, Advanced Clinical Research Center, The Institute of Medical Science, The University of Tokyo, Tokyo, 108-8639, Japan.
| | - Kiyoko Takane
- Division of Clinical Genome Research, Advanced Clinical Research Center, The Institute of Medical Science, The University of Tokyo, Tokyo, 108-8639, Japan
| | - Sho Tabata
- Tsuruoka Metabolomics Laboratory, National Cancer Center, Tsuruoka, Yamagata, 997-0052, Japan
| | - Tsuneo Ikenoue
- Division of Clinical Genome Research, Advanced Clinical Research Center, The Institute of Medical Science, The University of Tokyo, Tokyo, 108-8639, Japan
| | - Yoichi Furukawa
- Division of Clinical Genome Research, Advanced Clinical Research Center, The Institute of Medical Science, The University of Tokyo, Tokyo, 108-8639, Japan.
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David M, Singh S, Naicker T. Is the central complement component C3 altered in the synergy of HIV infection and preeclampsia? Eur J Obstet Gynecol Reprod Biol X 2023; 20:100257. [PMID: 37885814 PMCID: PMC10598405 DOI: 10.1016/j.eurox.2023.100257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 09/26/2023] [Accepted: 10/17/2023] [Indexed: 10/28/2023] Open
Abstract
Objective In light of complement activation in preeclampsia and HIV infection, this study evaluates the concentration of complement component 3 (C3) in HIV-associated preeclampsia. Method The study population (n = 76) was equally stratified by pregnancy type (normotensive pregnant and preeclampsia) and by HIV status (HIV positive and HIV negative). The plasma concentration of C3 was determined using a Bioplex immunoassay procedure. Results We report a significant increase in C3 concentration in the HIV-negative versus the HIV-positive groups (p < 0.05), regardless of pregnancy type. However, based on pregnancy type and irrespective of HIV status, C3 concentration was similar between normotensive versus preeclampsia. Concentration of C3 was significantly increased in the HIV-positive preeclamptic compared HIV-negative preeclamptic groups (p = 0.04). The correlation of C3 with all study groups was non-significant. Conclusion This study demonstrates that C3 was upregulated in HIV-associated PE compared to HIV- associated normotensive pregnancies. The dysregulation of C3 expression by HIV infection may be attributed to antiretroviral therapy.
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Affiliation(s)
- Mikyle David
- Optics and Imaging Centre, Doris Duke Medical Research Institute, Nelson R. Mandela School of Medicine, College of Health Sciences, University of KwaZulu-Natal, Durban, KwaZulu-Natal, South Africa
| | - Shoohana Singh
- Optics and Imaging Centre, Doris Duke Medical Research Institute, Nelson R. Mandela School of Medicine, College of Health Sciences, University of KwaZulu-Natal, Durban, KwaZulu-Natal, South Africa
| | - Thajasvarie Naicker
- Optics and Imaging Centre, Doris Duke Medical Research Institute, Nelson R. Mandela School of Medicine, College of Health Sciences, University of KwaZulu-Natal, Durban, KwaZulu-Natal, South Africa
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Cheng L, Yan H, Liu Y, Guan G, Cheng P. Dissecting multifunctional roles of forkhead box transcription factor D1 in cancers. Biochim Biophys Acta Rev Cancer 2023; 1878:188986. [PMID: 37716516 DOI: 10.1016/j.bbcan.2023.188986] [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: 06/21/2023] [Revised: 08/30/2023] [Accepted: 08/30/2023] [Indexed: 09/18/2023]
Abstract
As a member of the forkhead box (FOX) family of transcription factors (TF), FOXD1 has recently been implicated as a crucial regulator in a variety of human cancers. Accumulating evidence has established dysregulated and aberrant FOXD1 signaling as a prominent feature in cancer development and progression. However, there is a lack of systematic review on this topic. Here, we summarized the present understanding of FOXD1 functions in cancer biology and reviewed the downstream targets and upstream regulatory mechanisms of FOXD1 as well as the related signaling pathways within the context of current reports. We highlighted the functional features of FOXD1 in cancers to identify the future research consideration of this multifunctional transcription factor and potential therapeutic strategies targeting its oncogenic activity.
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Affiliation(s)
- Lin Cheng
- Department of Neurosurgery, The First Hospital of China Medical University, Shenyang, China
| | - Haixu Yan
- Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yang Liu
- Department of Neurosurgery, The First Hospital of China Medical University, Shenyang, China
| | - Gefei Guan
- Department of Neurosurgery, The First Hospital of China Medical University, Shenyang, China.
| | - Peng Cheng
- Department of Neurosurgery, The First Hospital of China Medical University, Shenyang, China; Institute of Health Sciences, China Medical University, Shenyang, Liaoning, China.
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Miller EC, Wilczek A, Bello NA, Tom S, Wapner R, Suh Y. Pregnancy, preeclampsia and maternal aging: From epidemiology to functional genomics. Ageing Res Rev 2022; 73:101535. [PMID: 34871806 PMCID: PMC8827396 DOI: 10.1016/j.arr.2021.101535] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 11/15/2021] [Accepted: 12/01/2021] [Indexed: 01/03/2023]
Abstract
Women live longer than men but experience greater disability and a longer period of illness as they age. Despite clear sex differences in aging, the impact of pregnancy and its complications, such as preeclampsia, on aging is an underexplored area of geroscience. This review summarizes our current knowledge about the complex links between pregnancy and age-related diseases, including evidence from epidemiology, clinical research, and genetics. We discuss the relationship between normal and pathological pregnancy and maternal aging, using preeclampsia as a primary example. We review the results of human genetics studies of preeclampsia, including genome wide association studies (GWAS), and attempted to catalog genes involved in preeclampsia as a gateway to mechanisms underlying an increased risk of later life cardio- and neuro- vascular events. Lastly, we discuss challenges in interpreting the GWAS of preeclampsia and provide a functional genomics framework for future research needed to fully realize the promise of GWAS in identifying targets for geroprotective prevention and therapeutics against preeclampsia.
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Affiliation(s)
- Eliza C. Miller
- Department of Neurology, Division of Stroke and Cerebrovascular Disease, Columbia University Irving Medical Center, New York, NY, USA
| | - Ashley Wilczek
- Department of Obstetrics and Gynecology, Columbia University Irving Medical Center, New York, NY, USA
| | - Natalie A. Bello
- Department of Medicine, Division of Cardiology, Columbia University Irving Medical Center, New York, NY, USA
| | - Sarah Tom
- Department of Neurology, Division of Neurology Clinical Outcomes Research and Population Science and the Department of Epidemiology, Columbia University Irving Medical Center, New York, NY, USA
| | - Ronald Wapner
- Department of Obstetrics and Gynecology, Columbia University Irving Medical Center, New York, NY, USA.
| | - Yousin Suh
- Department of Obstetrics and Gynecology, Columbia University Irving Medical Center, New York, NY, USA; Department of Genetics and Development, Columbia University Irving Medical Center, New York, NY, USA.
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5
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Fonseca DJ, Morel A, Llinás-Caballero K, Bolívar-Salazar D, Laissue P. Whole-Exome Sequencing in Patients Affected by Stevens-Johnson Syndrome and Toxic Epidermal Necrolysis Reveals New Variants Potentially Contributing to the Phenotype. PHARMACOGENOMICS & PERSONALIZED MEDICINE 2021; 14:287-299. [PMID: 33688237 PMCID: PMC7935440 DOI: 10.2147/pgpm.s289869] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Accepted: 12/26/2020] [Indexed: 12/17/2022]
Abstract
Background Adverse drug reactions (ADRs) are frequent occurring events that can essentially be defined as harmful or unpleasant symptoms secondary to the use of a medicinal product. ADRs involve a wide spectrum of clinical manifestations ranging from minor itching and rash to life-threatening reactions. Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN) are rare ADRs. SJS-TEN may be considered a polygenic pathology due to additive/epistatic effects caused by sequence variants in numerous genes. Next-generation sequencing (NGS) represents a potentially interesting exploration tool in such scenario as it facilitates the simultaneous analysis of large genomic regions and genes at affordable cost. Methods The present study has involved using whole-exome sequencing (WES) for the first time on SJS-TEN patients. It involved robust and innovative multistep bioinformatics analysis focusing on 313 candidate genes potentially participating in the disease’s aetiology, specific drugs’ metabolism and gene regulation. Results We identified combinations of frequently occurring and rare variants that may contribute to the disease’s pathogenesis. Depending on the specific drug being taken, different variants (and alleles) in NAT2, CYP2D8, CYP2B6, ABCC2, UGT2B7 and TCF3 were identified as coherent candidates representing potential future markers for SJS-TEN. Conclusion The present study proposed and has described (for the first time) a large-scale genomic analysis of patients affected by SJS-TEN. The genes and variants identified represent relevant candidates potentially participating in the disease’s pathogenesis. Corroborating that proposed by others, we found that complex combinations of frequently occurring and rare variants participating in particular drug metabolism molecular cascades could be associated with the phenotype. TCF3 TF may be considered a coherent candidate for SJS-TEN that should be analysed in new cohorts of patients having ADRs.
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Affiliation(s)
- Dora Janeth Fonseca
- Center for Research in Genetics and Genomics-CIGGUR, GENIUROS Research Group, School of Medicine and Health Sciences, Universidad Del Rosario, Bogotá, Colombia
| | - Adrien Morel
- Center for Research in Genetics and Genomics-CIGGUR, GENIUROS Research Group, School of Medicine and Health Sciences, Universidad Del Rosario, Bogotá, Colombia
| | - Kevin Llinás-Caballero
- Center for Research in Genetics and Genomics-CIGGUR, GENIUROS Research Group, School of Medicine and Health Sciences, Universidad Del Rosario, Bogotá, Colombia
| | - David Bolívar-Salazar
- Center for Research in Genetics and Genomics-CIGGUR, GENIUROS Research Group, School of Medicine and Health Sciences, Universidad Del Rosario, Bogotá, Colombia
| | - Paul Laissue
- Center for Research in Genetics and Genomics-CIGGUR, GENIUROS Research Group, School of Medicine and Health Sciences, Universidad Del Rosario, Bogotá, Colombia.,BIOPAS Laboratoires, Orphan Diseases Unit, BIOPAS GROUP, Bogotá, Colombia
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6
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Jena SR, Nayak J, Kumar S, Kar S, Dixit A, Samanta L. Paternal contributors in recurrent pregnancy loss: Cues from comparative proteome profiling of seminal extracellular vesicles. Mol Reprod Dev 2020; 88:96-112. [PMID: 33345401 DOI: 10.1002/mrd.23445] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Revised: 11/04/2020] [Accepted: 12/03/2020] [Indexed: 12/22/2022]
Abstract
Recent evidence entail paternal factors as plausible contributors in spontaneous recurrent pregnancy loss (RPL). Seminal extracellular vesicles secreted from cells of male reproductive tract carry regulatory proteins and RNAs. They are proposed to regulate sperm maturation and function while their fusion to endometrial stromal cells helps in decidualization. Nevertheless, the mechanism(s) involved in these processes are poorly understood. This study aims at elucidating the molecular basis of paternal contribution by comparative proteomics (label-free LC-MS/MS) of isolated seminal extracellular vesicles from fertile men and partners of patients with RPL (n = 21 per group). Bioinformatics analysis revealed the identified differentially expressed proteins to be involved in DNA replication, recombination and repair, gene expression, cellular assembly and organization, cell death, and survival. Major disease pathways affected were identified as developmental, hereditary, and immunological disorders. Of the three identified hub genes regulating the above disease pathways, two (HNRNPC and HNRNPU) are overexpressed while RUVBL1 is underexpressed along with over expression of HIST1H1C, DDX1, surmising defective chromatin packaging, and histone removal in spermatozoa resulting in improper expression in paternal genes thereby leading to abnormal embryo development. Besides, alteration in GSTP1 expression points oxidative predominance in RPL group. Differential expression of C3, C4a/C4b, CFB, and GDF 15 may be involved in altered maternal immune response to paternal antigens resulting in impaired decidualization.
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Affiliation(s)
- Soumya R Jena
- Department of Zoology, Redox Biology Laboratory, School of Life Sciences, Ravenshaw University, Odisha, India.,Centre for Excellence in Environment and Public Health, Ravenshaw University, Odisha, India
| | - Jasmine Nayak
- Department of Zoology, Redox Biology Laboratory, School of Life Sciences, Ravenshaw University, Odisha, India.,Centre for Excellence in Environment and Public Health, Ravenshaw University, Odisha, India
| | - Sugandh Kumar
- Computational Biology and Bioinformatics Laboratory, Institute of Life Sciences, Bhubaneswar, Odisha, India
| | - Sujata Kar
- Department of Obstetrics & Gynaecology, Kar Clinic and Hospital Pvt. Ltd., Bhubaneswar, India
| | - Anshuman Dixit
- Computational Biology and Bioinformatics Laboratory, Institute of Life Sciences, Bhubaneswar, Odisha, India
| | - Luna Samanta
- Department of Zoology, Redox Biology Laboratory, School of Life Sciences, Ravenshaw University, Odisha, India.,Centre for Excellence in Environment and Public Health, Ravenshaw University, Odisha, India
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Vatin M, Girault MS, Firlej V, Marchiol C, Ialy-Radio C, Montagutelli X, Vaiman D, Barbaux S, Ziyyat A. Identification of a New QTL Region on Mouse Chromosome 1 Responsible for Male Hypofertility: Phenotype Characterization and Candidate Genes. Int J Mol Sci 2020; 21:ijms21228506. [PMID: 33198087 PMCID: PMC7697627 DOI: 10.3390/ijms21228506] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Revised: 11/07/2020] [Accepted: 11/09/2020] [Indexed: 12/14/2022] Open
Abstract
Male fertility disorders often have their origin in disturbed spermatogenesis, which can be induced by genetic factors. In this study, we used interspecific recombinant congenic mouse strains (IRCS) to identify genes responsible for male infertility. Using ultrasonography, in vivo and in vitro fertilization (IVF) and electron microscopy, the phenotyping of several IRCS carrying mouse chromosome 1 segments of Mus spretus origin revealed a decrease in the ability of sperm to fertilize. This teratozoospermia included the abnormal anchoring of the acrosome to the nucleus and a persistence of residual bodies at the level of epididymal sperm midpiece. We identified a quantitative trait locus (QTL) responsible for these phenotypes and we have proposed a short list of candidate genes specifically expressed in spermatids. The future functional validation of candidate genes should allow the identification of new genes and mechanisms involved in male infertility.
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Affiliation(s)
- Magalie Vatin
- Institut Cochin, Université de Paris, INSERM, CNRS, F-75014 Paris, France; (M.V.); (M.-S.G.); (V.F.); (C.M.); (C.I.-R.); (D.V.); (S.B.)
| | - Marie-Sophie Girault
- Institut Cochin, Université de Paris, INSERM, CNRS, F-75014 Paris, France; (M.V.); (M.-S.G.); (V.F.); (C.M.); (C.I.-R.); (D.V.); (S.B.)
| | - Virginie Firlej
- Institut Cochin, Université de Paris, INSERM, CNRS, F-75014 Paris, France; (M.V.); (M.-S.G.); (V.F.); (C.M.); (C.I.-R.); (D.V.); (S.B.)
| | - Carmen Marchiol
- Institut Cochin, Université de Paris, INSERM, CNRS, F-75014 Paris, France; (M.V.); (M.-S.G.); (V.F.); (C.M.); (C.I.-R.); (D.V.); (S.B.)
| | - Côme Ialy-Radio
- Institut Cochin, Université de Paris, INSERM, CNRS, F-75014 Paris, France; (M.V.); (M.-S.G.); (V.F.); (C.M.); (C.I.-R.); (D.V.); (S.B.)
| | | | - Daniel Vaiman
- Institut Cochin, Université de Paris, INSERM, CNRS, F-75014 Paris, France; (M.V.); (M.-S.G.); (V.F.); (C.M.); (C.I.-R.); (D.V.); (S.B.)
| | - Sandrine Barbaux
- Institut Cochin, Université de Paris, INSERM, CNRS, F-75014 Paris, France; (M.V.); (M.-S.G.); (V.F.); (C.M.); (C.I.-R.); (D.V.); (S.B.)
| | - Ahmed Ziyyat
- Institut Cochin, Université de Paris, INSERM, CNRS, F-75014 Paris, France; (M.V.); (M.-S.G.); (V.F.); (C.M.); (C.I.-R.); (D.V.); (S.B.)
- Service d’histologie, d’embryologie, Biologie de la Reproduction, AP-HP, Hôpital Cochin, F-75014 Paris, France
- Correspondence:
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Jiménez KM, Morel A, Parada-Niño L, Alejandra González-Rodriguez M, Flórez S, Bolívar-Salazar D, Becerra-Bayona S, Aguirre-García A, Gómez-Murcia T, Fernanda Castillo L, Carlosama C, Ardila J, Vaiman D, Serrano N, Laissue P. Identifying new potential genetic biomarkers for HELLP syndrome using massive parallel sequencing. Pregnancy Hypertens 2020; 22:181-190. [PMID: 33059327 DOI: 10.1016/j.preghy.2020.09.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Revised: 07/20/2020] [Accepted: 09/05/2020] [Indexed: 12/19/2022]
Abstract
BACKGROUND Preeclampsia (PE) is a frequently occurring multisystemic disease affecting ~5% of pregnancies. PE patients may develop HELLP syndrome (haemolysis, elevated liver enzymes, and low platelet), a mother and foetus life-threatening condition. Research into HELLP's genetic origin has been relatively unsuccessful, mainly because normal placental function and blood pressure regulation involve the fine-regulation of hundreds of genes. OBJECTIVE To identify new genes and mutations constituting potential biomarkers for HELLP syndrome. STUDY DESIGN The present case-control study involved whole-exome sequencing of 79 unrelated HELLP women. Candidate variants were screened in a control population constituted by 176 individuals. Stringent bioinformatics filters were used for selecting potentially etiological sequence variants in a subset of 487 genes. We used robust in silico mutation modelling for predicting the potential effect on protein structure. RESULTS We identified numerous sequence variants in genes related to angiogenesis/coagulation/blood pressure regulation, cell differentiation/communication/adhesion, cell cycle and transcriptional gene regulation, extracellular matrix biology, lipid metabolism and immunological response. Five sequence variants generated premature stop codons in genes playing an essential role in placental physiology (STOX1, PDGFD, IGF2, MMP1 and DNAH11). Six variants (ERAP1- p.Ile915Thr, ERAP2- p.Leu837Ser, COMT-p.His192Gln, CSAD-p.Pro418Ser, CDH1- p.Ala298Thr and CCR2-p.Met249Lys) led to destabilisation of protein structure as they had significant energy and residue interaction-related changes. We identified at least two mutations in 57% of patients, arguing in favour of a polygenic origin for the HELLP syndrome. CONCLUSION Our results provide novel evidence regarding PE/HELLP's genetic origin, leading to new biomarkers, having potential clinical usefulness, being proposed.
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Affiliation(s)
- Karen Marcela Jiménez
- Center For Research in Genetics and Genomics-CIGGUR, GENIUROS Research Group, School of Medicine and Health Sciences, Universidad del Rosario, Bogotá, Colombia
| | - Adrien Morel
- Center For Research in Genetics and Genomics-CIGGUR, GENIUROS Research Group, School of Medicine and Health Sciences, Universidad del Rosario, Bogotá, Colombia
| | - Laura Parada-Niño
- Center For Research in Genetics and Genomics-CIGGUR, GENIUROS Research Group, School of Medicine and Health Sciences, Universidad del Rosario, Bogotá, Colombia
| | - María Alejandra González-Rodriguez
- Center For Research in Genetics and Genomics-CIGGUR, GENIUROS Research Group, School of Medicine and Health Sciences, Universidad del Rosario, Bogotá, Colombia
| | - Stephanie Flórez
- Hospital Universitario Mayor Méderi, Universidad del Rosario, Bogotá, Colombia
| | - David Bolívar-Salazar
- Center For Research in Genetics and Genomics-CIGGUR, GENIUROS Research Group, School of Medicine and Health Sciences, Universidad del Rosario, Bogotá, Colombia
| | | | - Angel Aguirre-García
- Center For Research in Genetics and Genomics-CIGGUR, GENIUROS Research Group, School of Medicine and Health Sciences, Universidad del Rosario, Bogotá, Colombia; Hospital Universitario Mayor Méderi, Universidad del Rosario, Bogotá, Colombia
| | - Tatiana Gómez-Murcia
- Center For Research in Genetics and Genomics-CIGGUR, GENIUROS Research Group, School of Medicine and Health Sciences, Universidad del Rosario, Bogotá, Colombia; Hospital Universitario Mayor Méderi, Universidad del Rosario, Bogotá, Colombia
| | - Luisa Fernanda Castillo
- Center For Research in Genetics and Genomics-CIGGUR, GENIUROS Research Group, School of Medicine and Health Sciences, Universidad del Rosario, Bogotá, Colombia
| | - Carolina Carlosama
- Center For Research in Genetics and Genomics-CIGGUR, GENIUROS Research Group, School of Medicine and Health Sciences, Universidad del Rosario, Bogotá, Colombia
| | - Javier Ardila
- Hospital Universitario Mayor Méderi, Universidad del Rosario, Bogotá, Colombia
| | - Daniel Vaiman
- Inserm U1016, CNRS UMR8104, Institut Cochin, équipe FGTB, 24, rue du faubourg Saint-Jacques, 75014 Paris, France
| | - Norma Serrano
- Research Centre, Fundación Cardiovascular de Colombia (FCV), Bucaramanga, Colombia
| | - Paul Laissue
- Center For Research in Genetics and Genomics-CIGGUR, GENIUROS Research Group, School of Medicine and Health Sciences, Universidad del Rosario, Bogotá, Colombia; Inserm U1016, CNRS UMR8104, Institut Cochin, équipe FGTB, 24, rue du faubourg Saint-Jacques, 75014 Paris, France; Orphan Diseases Group, Biopas Laboratoires, Bogotá, Colombia.
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Quintero-Ronderos P, Laissue P. Genetic Variants Contributing to Early Recurrent Pregnancy Loss Etiology Identified by Sequencing Approaches. Reprod Sci 2020; 27:1541-1552. [PMID: 32430708 DOI: 10.1007/s43032-020-00187-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Recurrent pregnancy loss (RPL) affects up to 5% of couples. It is believed that genetic factors contribute to the disease's etiology and pathophysiology. Hundreds of genes represent coherent RPL candidates due to mammalian implantation's inherent complexity. Sanger sequencing (direct sequencing) of candidate genes has identified potential RPL causative genes (and variants), including those regulating embryo implantation and pregnancy maintenance. Although this approach is a reliable technique, the simultaneous analysis of large genomic regions is challenging. Next-generation sequencing (NGS) technology has thus emerged as a useful alternative for determining genetic variants and transcriptomic disturbances contributing to monogenic and polygenic diseases pathogenesis. However, interpreting results remains challenging as NGS experiments provide an enormous amount of complex data. The molecular aspects of specific diseases must be fully understood for accurate interpretation of NGS data. This review was thus aimed at describing (for the first time) the most relevant studies involving Sanger and NGS sequencing, leading to the description of variants related to RPL pathogenesis. Successful RPL-related NGS initiatives (including RNAseq-based studies) and future challenges are discussed. We consider that the information given here should be useful for clinicians, scientists, and students to enable a better understanding of RPL etiology. It may also provide a basis for the development of diagnostic/prognostic approaches contributing toward translational medicine.
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Affiliation(s)
- Paula Quintero-Ronderos
- Center For Research in Genetics and Genomics (CIGGUR), GENIUROS Research Group, School of Medicine and Health Sciences, Universidad del Rosario, Carrera 24 N° 63C-69, Bogotá, 1100100, Colombia
| | - Paul Laissue
- Center For Research in Genetics and Genomics (CIGGUR), GENIUROS Research Group, School of Medicine and Health Sciences, Universidad del Rosario, Carrera 24 N° 63C-69, Bogotá, 1100100, Colombia.
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10
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Laissue P, Vaiman D. Exploring the Molecular Aetiology of Preeclampsia by Massive Parallel Sequencing of DNA. Curr Hypertens Rep 2020; 22:31. [PMID: 32172383 DOI: 10.1007/s11906-020-01039-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
PURPOSE OF REVIEW This manuscript aims to review (for the first time) studies describing NGS sequencing of preeclampsia (PE) women's DNA. RECENT FINDINGS Describing markers for the early detection of PE is an essential task because, although associated molecular dysfunction begins early on during pregnancy, the disease's clinical signs usually appear late in pregnancy. Although several biochemical biomarkers have been proposed, their use in clinical environments is still limited, thereby encouraging research into PE's genetic origin. Hundreds of genes involved in numerous implantation- and placentation-related biological processes may be coherent candidates for PE aetiology. Next-generation sequencing (NGS) offers new technical possibilities for PE studying, as it enables large genomic regions to be analysed at affordable cost. This technique has facilitated the description of genes contributing to the molecular origin of a significant amount of monogenic and complex diseases. Regarding PE, NGS of DNA has been used in familial and isolated cases, thereby enabling new genes potentially related to the phenotype to be proposed. For a better understanding of NGS, technical aspects, applications and limitations are presented initially. Thereafter, NGS studies of DNA in familial and non-familial cases are described, including pitfalls and positive findings. The information given here should enable scientists and clinicians to analyse and design new studies permitting the identification of novel clinically useful molecular PE markers.
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Affiliation(s)
- Paul Laissue
- Biopas Laboratoires, Biopas Group, Bogotá, Colombia. .,Inserm U1016, CNRS UMR8104, Institut Cochin, équipe FGTB, 24, rue du faubourg Saint-Jacques, 75014, Paris, France. .,CIGGUR Genetics Group, School of Medicine and Health Sciences, El Rosario University, Bogotá, Colombia.
| | - Daniel Vaiman
- Inserm U1016, CNRS UMR8104, Institut Cochin, équipe FGTB, 24, rue du faubourg Saint-Jacques, 75014, Paris, France
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Quintero-Ronderos P, Jiménez KM, Esteban-Pérez C, Ojeda DA, Bello S, Fonseca DJ, Coronel MA, Moreno-Ortiz H, Sierra-Díaz DC, Lucena E, Barbaux S, Vaiman D, Laissue P. FOXD1 mutations are related to repeated implantation failure, intra-uterine growth restriction and preeclampsia. Mol Med 2019; 25:37. [PMID: 31395028 PMCID: PMC6688323 DOI: 10.1186/s10020-019-0104-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Accepted: 07/16/2019] [Indexed: 12/14/2022] Open
Abstract
Background Human reproductive disorders consist of frequently occurring dysfunctions including a broad range of phenotypes affecting fertility and women’s health during pregnancy. Several female-related diseases have been associated with hypofertility/infertility phenotypes, such as recurrent pregnancy loss (RPL). Other occurring diseases may be life-threatening for the mother and foetus, such as preeclampsia (PE) and intra-uterine growth restriction (IUGR). FOXD1 was defined as a major molecule involved in embryo implantation in mice and humans by regulating endometrial/placental genes. FOXD1 mutations in human species have been functionally linked to RPL’s origin. Methods FOXD1 gene mutation screening, in 158 patients affected by PE, IUGR, RPL and repeated implantation failure (RIF), by direct sequencing and bioinformatics analysis. Plasmid constructs including FOXD1 mutations were used to perform in vitro gene reporter assays. Results Nine non-synonymous sequence variants were identified. Functional experiments revealed that p.His267Tyr and p.Arg57del led to disturbances of promoter transcriptional activity (C3 and PlGF genes). The FOXD1 p.Ala356Gly and p.Ile364Met deleterious mutations (previously found in RPL patients) have been identified in the present work in women suffering PE and IUGR. Conclusions Our results argue in favour of FOXD1 mutations’ central role in RPL, RIF, IUGR and PE pathogenesis via C3 and PlGF regulation and they describe, for the first time, a functional link between FOXD1 and implantation/placental diseases. FOXD1 could therefore be used in clinical environments as a molecular biomarker for these diseases in the near future. Keywords Recurrent pregnancy loss, Preeclampsia, Intra-uterine growth restriction, FOXD1 Electronic supplementary material The online version of this article (10.1186/s10020-019-0104-3) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Paula Quintero-Ronderos
- Center For Research in Genetics and Genomics-CIGGUR. GENIUROS Research Group. School of Medicine and Health Sciences, Universidad del Rosario, Bogotá, Colombia
| | - Karen Marcela Jiménez
- Center For Research in Genetics and Genomics-CIGGUR. GENIUROS Research Group. School of Medicine and Health Sciences, Universidad del Rosario, Bogotá, Colombia
| | - Clara Esteban-Pérez
- Fertility and Sterility Colombian Center, Department of Reproductive Genetics, Bogotá, Colombia
| | - Diego A Ojeda
- Center For Research in Genetics and Genomics-CIGGUR. GENIUROS Research Group. School of Medicine and Health Sciences, Universidad del Rosario, Bogotá, Colombia.,Clinical Neurosciences and Psychiatry, Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, UK., Southampton, United Kingdom
| | - Sandra Bello
- Center For Research in Genetics and Genomics-CIGGUR. GENIUROS Research Group. School of Medicine and Health Sciences, Universidad del Rosario, Bogotá, Colombia
| | - Dora Janeth Fonseca
- Center For Research in Genetics and Genomics-CIGGUR. GENIUROS Research Group. School of Medicine and Health Sciences, Universidad del Rosario, Bogotá, Colombia
| | - María Alejandra Coronel
- Center For Research in Genetics and Genomics-CIGGUR. GENIUROS Research Group. School of Medicine and Health Sciences, Universidad del Rosario, Bogotá, Colombia
| | - Harold Moreno-Ortiz
- Fertility and Sterility Colombian Center, Department of Reproductive Genetics, Bogotá, Colombia
| | - Diana Carolina Sierra-Díaz
- Center For Research in Genetics and Genomics-CIGGUR. GENIUROS Research Group. School of Medicine and Health Sciences, Universidad del Rosario, Bogotá, Colombia
| | - Elkin Lucena
- Fertility and Sterility Colombian Center, Department of Reproductive Genetics, Bogotá, Colombia
| | - Sandrine Barbaux
- Inserm U1016, CNRS UMR8104, Institut Cochin, équipe FGTB, 24, rue du faubourg Saint-Jacques, 75014, Paris, France
| | - Daniel Vaiman
- Inserm U1016, CNRS UMR8104, Institut Cochin, équipe FGTB, 24, rue du faubourg Saint-Jacques, 75014, Paris, France
| | - Paul Laissue
- Center For Research in Genetics and Genomics-CIGGUR. GENIUROS Research Group. School of Medicine and Health Sciences, Universidad del Rosario, Bogotá, Colombia.
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Quintero-Ronderos P, Laissue P. Genetic Variants Contributing to Early Recurrent Pregnancy Loss Etiology Identified by Sequencing Approaches. Reprod Sci 2019:1933719119831769. [PMID: 30879428 DOI: 10.1177/1933719119831769] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Recurrent pregnancy loss (RPL) affects up to 5% of couples. It is believed that genetic factors contribute to the disease's etiology and pathophysiology. Hundreds of genes represent coherent RPL candidates due to mammalian implantation's inherent complexity. Sanger sequencing (direct sequencing) of candidate genes has identified potential RPL causative genes (and variants), including those regulating embryo implantation and pregnancy maintenance. Although this approach is a reliable technique, the simultaneous analysis of large genomic regions is challenging. Next-generation sequencing (NGS) technology has thus emerged as a useful alternative for determining genetic variants and transcriptomic disturbances contributing to monogenic and polygenic diseases pathogenesis. However, interpreting results remains challenging as NGS experiments provide an enormous amount of complex data. The molecular aspects of specific diseases must be fully understood for accurate interpretation of NGS data. This review was thus aimed at describing (for the first time) the most relevant studies involving Sanger and NGS sequencing, leading to the description of variants related to RPL pathogenesis. Successful RPL-related NGS initiatives (including RNAseq-based studies) and future challenges are discussed. We consider that the information given here should be useful for clinicians, scientists, and students to enable a better understanding of RPL etiology. It may also provide a basis for the development of diagnostic/prognostic approaches contributing toward translational medicine.
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Affiliation(s)
- Paula Quintero-Ronderos
- 1 Center For Research in Genetics and Genomics (CIGGUR), GENIUROS Research Group, School of Medicine and Health Sciences, Universidad del Rosario, Bogotá, Colombia
| | - Paul Laissue
- 1 Center For Research in Genetics and Genomics (CIGGUR), GENIUROS Research Group, School of Medicine and Health Sciences, Universidad del Rosario, Bogotá, Colombia
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13
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Mohlin FC, Gros P, Mercier E, Gris JCR, Blom AM. Analysis of C3 Gene Variants in Patients With Idiopathic Recurrent Spontaneous Pregnancy Loss. Front Immunol 2018; 9:1813. [PMID: 30131807 PMCID: PMC6090058 DOI: 10.3389/fimmu.2018.01813] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Accepted: 07/23/2018] [Indexed: 12/18/2022] Open
Abstract
Miscarriage is the most common complication of pregnancy. Approximately 1% of couples trying to conceive will experience recurrent miscarriages, defined as three or more consecutive pregnancy losses and many of these cases remain idiopathic. Complement is implicated both in the physiology and pathology of pregnancy. Therefore, we hypothesized that alterations in the C3 gene could potentially predispose to this disorder. We performed full Sanger sequencing of all exons of C3, in 192 childless women, with at least two miscarriages and without any known risk factors. All exons carrying non-synonymous alterations found in the patients were then sequenced in a control group of 192 women. None of the identified alterations were significantly associated with the disorder. Thirteen identified non-synonymous alterations (R102G, K155Q, L302P, P314L, Y325H, V326A, S327P, V330I, K633R, R735W, R1591G, G1606D, and S1619R) were expressed recombinantly, upon which C3 expression and secretion were determined. The L302P and S327P were not secreted from the cells, likely due to misfolding and intracellular degradation. Y325H, V326A, V3301I, R1591G, and G1606D yielded approximately half C3 concentration in the cell media compared with wild type (WT). We analyzed the hemolytic activity of the secreted C3 variants by reconstituting C3-depleted serum. In this assay, R1591G had impaired hemolytic activity while majority of remaining mutants instead had increased activity. R1591G also yielded more factor B activation in solution compared with WT. R1591G and G1606D showed impaired degradation by factor I, irrespectively if factor H, CD46, or C4b-binding protein were used as cofactors. These two C3 mutants showed impaired binding of the cofactors and/or factor I. Taken together, several alterations in C3 were identified and some of these affected the secretion and/or the function of the protein, which might contribute to the disorder but the degree of association must be evaluated in larger cohorts.
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Affiliation(s)
- Frida C. Mohlin
- Department of Translational Medicine, Lund University, Malmö, Sweden
| | - Piet Gros
- Crystal and Structural Chemistry, Bijvoet Center for Biomolecular Research, Department of Chemistry, Utrecht University, Utrecht, Netherlands
| | - Eric Mercier
- Laboratory of Hematology, University Hospital, Nimes, France
| | | | - Anna M. Blom
- Department of Translational Medicine, Lund University, Malmö, Sweden
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Quintero-Ronderos P, Laissue P. The multisystemic functions of FOXD1 in development and disease. J Mol Med (Berl) 2018; 96:725-739. [PMID: 29959475 DOI: 10.1007/s00109-018-1665-2] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 06/18/2018] [Accepted: 06/21/2018] [Indexed: 12/13/2022]
Abstract
Transcription factors (TFs) participate in a wide range of cellular processes due to their inherent function as essential regulatory proteins. Their dysfunction has been linked to numerous human diseases. The forkhead box (FOX) family of TFs belongs to the "winged helix" superfamily, consisting of proteins sharing a related winged helix-turn-helix DNA-binding motif. FOX genes have been extensively present during vertebrates and invertebrates' evolution, participating in numerous molecular cascades and biological functions, such as embryonic development and organogenesis, cell cycle regulation, metabolism control, stem cell niche maintenance, signal transduction, and many others. FOXD1, a forkhead TF, has been related to different key biological processes such as kidney and retina development and embryo implantation. FOXD1 dysfunction has been linked to different pathologies, thereby constituting a diagnostic biomarker and a promising target for future therapies. This paper aims to present, for the first time, a comprehensive review of FOXD1's role in mouse development and human disease. Molecular, structural, and functional aspects of FOXD1 are presented in light of physiological and pathogenic conditions, including its role in human disease aetiology, such as cancer and recurrent pregnancy loss. Taken together, the information given here should enable a better understanding of FOXD1 function for basic science researchers and clinicians.
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Affiliation(s)
- Paula Quintero-Ronderos
- Center For Research in Genetics and Genomics-CIGGUR, GENIUROS Research Group, School of Medicine and Health Sciences, Universidad del Rosario, Carrera 24 No. 63C-69, Bogotá, Colombia
| | - Paul Laissue
- Center For Research in Genetics and Genomics-CIGGUR, GENIUROS Research Group, School of Medicine and Health Sciences, Universidad del Rosario, Carrera 24 No. 63C-69, Bogotá, Colombia.
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Quintero-Ronderos P, Mercier E, Fukuda M, González R, Suárez CF, Patarroyo MA, Vaiman D, Gris JC, Laissue P. Novel genes and mutations in patients affected by recurrent pregnancy loss. PLoS One 2017; 12:e0186149. [PMID: 29016666 PMCID: PMC5634651 DOI: 10.1371/journal.pone.0186149] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2017] [Accepted: 09/26/2017] [Indexed: 12/18/2022] Open
Abstract
Recurrent pregnancy loss is a frequently occurring human infertility-related disease affecting ~1% of women. It has been estimated that the cause remains unexplained in >50% cases which strongly suggests that genetic factors may contribute towards the phenotype. Concerning its molecular aetiology numerous studies have had limited success in identifying the disease's genetic causes. This might have been due to the fact that hundreds of genes are involved in each physiological step necessary for guaranteeing reproductive success in mammals. In such scenario, next generation sequencing provides a potentially interesting tool for research into recurrent pregnancy loss causative mutations. The present study involved whole-exome sequencing and an innovative bioinformatics analysis, for the first time, in 49 unrelated women affected by recurrent pregnancy loss. We identified 27 coding variants (22 genes) potentially related to the phenotype (41% of patients). The affected genes, which were enriched by potentially deleterious sequence variants, belonged to distinct molecular cascades playing key roles in implantation/pregnancy biology. Using a quantum chemical approach method we established that mutations in MMP-10 and FGA proteins led to substantial energetic modifications suggesting an impact on their functions and/or stability. The next generation sequencing and bioinformatics approaches presented here represent an efficient way to find mutations, having potentially moderate/strong functional effects, associated with recurrent pregnancy loss aetiology. We consider that some of these variants (and genes) represent probable future biomarkers for recurrent pregnancy loss.
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Affiliation(s)
- Paula Quintero-Ronderos
- Center For Research in Genetics and Genomics-CIGGUR. GENIUROS Research Group. School of Medicine and Health Sciences, Universidad del Rosario. Bogotá, Colombia
| | - Eric Mercier
- Department of Haematology, University Hospital, Nîmes. Faculty of Pharmacy and Biological Sciences and Research Team EA 2992, University of Montpellier, Montpellier, France
| | - Michiko Fukuda
- Laboratory for Drug Discovery. National Institute of Advanced Industrial Science and Technology (AIST). Tsukuba city, Ibaraki, Japan
| | - Ronald González
- Fundación Instituto de Inmunología de Colombia (FIDIC), Bogotá D.C., Colombia
| | - Carlos Fernando Suárez
- Fundación Instituto de Inmunología de Colombia (FIDIC), Bogotá D.C., Colombia
- Universidad de Ciencias Aplicadas y Ambientales (UDCA), Bogotá D.C., Colombia
- Basic Sciences Department, School of Medicine and Health Sciences, Universidad del Rosario, Bogotá D.C., Colombia
| | - Manuel Alfonso Patarroyo
- Fundación Instituto de Inmunología de Colombia (FIDIC), Bogotá D.C., Colombia
- Basic Sciences Department, School of Medicine and Health Sciences, Universidad del Rosario, Bogotá D.C., Colombia
| | - Daniel Vaiman
- Institut Cochin, Université Paris Descartes, CNRS (UMR 8104), Paris, France
- Inserm, U1016, Paris, France
| | - Jean-Christophe Gris
- Department of Haematology, University Hospital, Nîmes. Faculty of Pharmacy and Biological Sciences and Research Team EA 2992, University of Montpellier, Montpellier, France
| | - Paul Laissue
- Center For Research in Genetics and Genomics-CIGGUR. GENIUROS Research Group. School of Medicine and Health Sciences, Universidad del Rosario. Bogotá, Colombia
- * E-mail:
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Huang J, Qin H, Yang Y, Chen X, Zhang J, Laird S, Wang CC, Chan TF, Li TC. A comparison of transcriptomic profiles in endometrium during window of implantation between women with unexplained recurrent implantation failure and recurrent miscarriage. Reproduction 2017; 153:749-758. [PMID: 28283674 DOI: 10.1530/rep-16-0574] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Revised: 03/02/2017] [Accepted: 03/09/2017] [Indexed: 01/09/2023]
Abstract
The endometrium becomes receptive to the embryo only in the mid-luteal phase, but not in the other stages of the menstrual cycle. Endometrial factors play an important role in implantation. Women with recurrent miscarriage and recurrent implantation failure have both been reported to have altered expression of receptivity markers during the window of implantation. We aimed to compare the gene expression profiles of the endometrium in the window of implantation among women with unexplained recurrent implantation failures (RIF) and unexplained recurrent miscarriages (RM) by RNA sequencing (RNA-Seq). In total 20 patients (9 RIF and 11 RM) were recruited. In addition 4 fertile subjects were included as reference. Endometrium samples were precisely timed on the 7th day after luteal hormone surge (LH + 7). All the 24 endometrium samples were extracted for total RNA. The transcriptome was determined by RNA-Seq in the first 14 RNA samples (5 RIF, 6 RM and 3 fertile). Differentially expressed genes between RM and RIF were validated by quantitative real-time PCR (qPCR) in all 24 RNA samples (9 RIF, 11 RM and 4 fertile). Transcriptomic profiles of RM and RIF, but not control samples, were separated from each other by principle component analysis (PCA) and support vector machine (SVM). Complementary and coagulation cascades pathway was significantly up-regulated in RIF while down-regulated in RM. Differentially expressed genes C3, C4, C4BP, DAF, DF and SERPING1 in complement and coagulation cascade pathway between RM and RIF were further validated by qPCR. This study compared endometrial transcriptome among patients with RIF and RM in the window of implantation; it identified differential molecular pathways in endometrium between RIF and RM, which potentially affect the implantation process.
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Affiliation(s)
- Jin Huang
- Department of Obstetrics and Gynaecology
| | - Hao Qin
- School of Life SciencesThe Chinese University of Hong KongHong Kong SAR, China
| | - Yihua Yang
- Department of Obstetrics and Gynaecology
- Reproductive Medicine Centre of the Affiliated HospitalGuilin Medical University, Guilin, Guangxi, China
| | | | - Jiamiao Zhang
- Department of Obstetrics and Gynaecology
- Reproductive Medicine Centre of the Affiliated HospitalGuilin Medical University, Guilin, Guangxi, China
| | - Susan Laird
- Biomolecular Sciences Research CentreSheffield Hallam University, Sheffield, UK
| | - Chi Chiu Wang
- Department of Obstetrics and Gynaecology
- Li Ka Shing Institute of Health Sciences
- School of Biomedical SciencesThe Chinese University of Hong Kong, Hong Kong SAR, China
| | - Ting Fung Chan
- School of Life SciencesThe Chinese University of Hong KongHong Kong SAR, China
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