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Sazhenova EA, Nikitina TV, Vasilyev SA, Tolmacheva EN, Vasilyeva OY, Markov AV, Yuryev SY, Skryabin NA, Zarubin AA, Kolesnikov NA, Stepanov VA, Lebedev IN. NLRP7 variants in spontaneous abortions with multilocus imprinting disturbances from women with recurrent pregnancy loss. J Assist Reprod Genet 2021; 38:2893-2908. [PMID: 34554362 PMCID: PMC8608992 DOI: 10.1007/s10815-021-02312-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Accepted: 09/02/2021] [Indexed: 11/25/2022] Open
Abstract
PURPOSE Comparative analysis of multilocus imprinting disturbances (MLIDs) in miscarriages from women with sporadic (SPL) and recurrent pregnancy loss (RPL) and identification of variants in the imprinting control gene NLRP7 that may lead to MLIDs. METHODS Chorionic cytotrophoblast and extraembryonic mesoderm samples from first-trimester miscarriages were evaluated in 120 women with RPL and 134 women with SPL; 100 induced abortions were analyzed as a control group. All miscarriages had a normal karyotype. Epimutations in 7 imprinted genes were detected using methyl-specific PCR and confirmed with DNA pyrosequencing. Sequencing of all 13 exons and adjusted intron regions of the NLRP7 gene was performed. RESULTS Epimutations in imprinted genes were more frequently detected (p < 0.01) in the placental tissues of miscarriages from women with RPL (7.1%) than in those of women with SPL (2.7%). The predominant epimutation was postzygotic hypomethylation of maternal alleles of imprinted genes (RPL, 5.0%; SPL, 2.1%; p < 0.01). The frequency of MLID was higher among miscarriages from women with RPL than among miscarriages from women with SPL (1.7% and 0.4%, respectively, p < 0.01). Variants in NLRP7 were detected only in miscarriages from women with RPL. An analysis of the parental origin of NLRP7 variants revealed heterozygous carriers in families with RPL who exhibited spontaneous abortions with MLIDs and compound heterozygosity for NLRP7 variants. CONCLUSION RPL is associated with NLRP7 variants that lead to germinal and postzygotic MLIDs that are incompatible with normal embryo development. TRIAL REGISTRATION Not applicable.
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Affiliation(s)
- Elena A Sazhenova
- Research Institute of Medical Genetics, Tomsk National Research Medical Center of the Russian Academy of Sciences, Ushaika str., 10, Tomsk, Russia.
| | - Tatyana V Nikitina
- Research Institute of Medical Genetics, Tomsk National Research Medical Center of the Russian Academy of Sciences, Ushaika str., 10, Tomsk, Russia
| | - Stanislav A Vasilyev
- Research Institute of Medical Genetics, Tomsk National Research Medical Center of the Russian Academy of Sciences, Ushaika str., 10, Tomsk, Russia
| | - Ekaterina N Tolmacheva
- Research Institute of Medical Genetics, Tomsk National Research Medical Center of the Russian Academy of Sciences, Ushaika str., 10, Tomsk, Russia
| | - Oksana Yu Vasilyeva
- Research Institute of Medical Genetics, Tomsk National Research Medical Center of the Russian Academy of Sciences, Ushaika str., 10, Tomsk, Russia
| | - Anton V Markov
- Research Institute of Medical Genetics, Tomsk National Research Medical Center of the Russian Academy of Sciences, Ushaika str., 10, Tomsk, Russia
| | | | - Nikolay A Skryabin
- Research Institute of Medical Genetics, Tomsk National Research Medical Center of the Russian Academy of Sciences, Ushaika str., 10, Tomsk, Russia
| | - Alexey A Zarubin
- Research Institute of Medical Genetics, Tomsk National Research Medical Center of the Russian Academy of Sciences, Ushaika str., 10, Tomsk, Russia
| | - Nikita A Kolesnikov
- Research Institute of Medical Genetics, Tomsk National Research Medical Center of the Russian Academy of Sciences, Ushaika str., 10, Tomsk, Russia
| | - Vadim A Stepanov
- Research Institute of Medical Genetics, Tomsk National Research Medical Center of the Russian Academy of Sciences, Ushaika str., 10, Tomsk, Russia
| | - Igor N Lebedev
- Research Institute of Medical Genetics, Tomsk National Research Medical Center of the Russian Academy of Sciences, Ushaika str., 10, Tomsk, Russia
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Mehandjiev TR, Tenno NM, Nakura Y, Georgiev TP, Minekawa R, Wakimoto T, Mimura K, Nakayama M, Kawakami K, Kanagawa T, Tomimatsu T, Fujita T, Onouchi Y, Takeuchi M, Kimura T, Yanagihara I. Impact of maternal methylenetetrahydrofolate reductase C677T polymorphism on intervillous and decidual pathology with pregnancy loss. J Obstet Gynaecol Res 2018; 45:78-85. [PMID: 30136429 DOI: 10.1111/jog.13798] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Accepted: 08/01/2018] [Indexed: 11/30/2022]
Abstract
AIM The association between methylenetetrahydrofolate reductase (MTHFR) C677T polymorphism and intervillous and decidual pathology in patients with pregnancy loss was investigated. METHODS We performed a cross-sectional study on 243 patients presenting with pregnancy loss for the degree of intervillous fibrin and thrombosis (IT), and decidual fibrin and thrombosis (DT) and determined their MTHFR C677T genotypes. Overall differences in age, body mass index (BMI), gravidity, parity, number of pregnancy losses and gestational period when the pathologic samples were obtained, also were determined. RESULTS There were no significant differences in age, BMI, gravidity, parity, number of pregnancy losses and gestational period, relative to MTHFR C677T genotype (TT vs CT vs CC). There were significantly more T allele carriers and TT genotype patients among patients with severe IT (odds ratio [OR] 1.653, P = 0.033 and OR 2.246, P = 0.032, respectively) and those with severe IT and decidual thrombosis (OR 2.602, P = 0.012 and OR 3.375, P = 0.035, respectively). The CC genotype was protective against the four studied pathologic grades. CONCLUSION To our knowledge, this is the first study showing that the MTHFR C677T TT genotype and T allele are associated with severe intervillous and decidual pathologies in patients with pregnancy loss. Differences in pathologic grades of MTHFR C677T TT genotype could support the hypothesis that further periconceptional treatment for pregnancy loss could be customized depending on single nucleotide polymorphisms.
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Affiliation(s)
- Tzvetozar R Mehandjiev
- Department of Developmental Medicine, Osaka Women's and Children's Hospital, Osaka, Japan.,Department of Obstetrics and Gynecology, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Nodoka M Tenno
- Department of Developmental Medicine, Osaka Women's and Children's Hospital, Osaka, Japan.,Fujita Clinic, Osaka, Japan
| | - Yukiko Nakura
- Department of Developmental Medicine, Osaka Women's and Children's Hospital, Osaka, Japan
| | - Tzanko P Georgiev
- Department Continuous Process Control, Division Bioelectrical Engineering, Faculty of Automatics, Sofia Technical University, Sofia, Bulgaria
| | - Ryoko Minekawa
- Department of Obstetrics and Gynecology, Bell-land General Hospital, Osaka, Japan
| | - Tetsu Wakimoto
- Department of Developmental Medicine, Osaka Women's and Children's Hospital, Osaka, Japan.,Department of Obstetrics and Gynecology, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Kazuya Mimura
- Department of Obstetrics and Gynecology, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Masahiro Nakayama
- Pathology and Laboratory Medicine, Osaka Women's and Children's Hospital, Osaka, Japan
| | | | - Takeshi Kanagawa
- Department of Obstetrics and Gynecology, Graduate School of Medicine, Osaka University, Osaka, Japan.,Department of Maternal Fetal Medicine, Osaka Women's and Children's Hospital, Osaka, Japan
| | - Takuji Tomimatsu
- Department of Obstetrics and Gynecology, Graduate School of Medicine, Osaka University, Osaka, Japan
| | | | - Yoshihiro Onouchi
- Laboratory for Cardiovascular Diseases, RIKEN Center for Integrative Medical Science, Kanagawa, Japan.,Department of Public Health, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Makoto Takeuchi
- Pathology and Laboratory Medicine, Osaka Women's and Children's Hospital, Osaka, Japan
| | - Tadashi Kimura
- Department of Obstetrics and Gynecology, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Itaru Yanagihara
- Department of Developmental Medicine, Osaka Women's and Children's Hospital, Osaka, Japan
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Enterina JR, Enfield KSS, Anderson C, Marshall EA, Ng KW, Lam WL. DLK1-DIO3 imprinted locus deregulation in development, respiratory disease, and cancer. Expert Rev Respir Med 2017; 11:749-761. [PMID: 28715922 DOI: 10.1080/17476348.2017.1355241] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
INTRODUCTION The imprinted DLK1-DIO3 locus at 14q32.1-32.31 holds biological significance in fetal development, whereby imprinting errors are causal to developmental disorders. Emerging evidence has implicated this locus in other diseases including cancer, highlighting the biological parallels between fetal organ and tumour development. Areas covered: Controlled regulation of gene expression from the imprinted DLK1-DIO3 locus at 14q32.1-32.31 is crucial for proper fetal development. Deregulation of locus gene expression due to imprinting errors has been mechanistically linked to the developmental disorders Kagami-Ogata Syndrome and Temple Syndrome. In adult tissues, deregulation of locus genes has been associated with multiple malignancies although the causal genetic mechanisms remain largely uncharacterised. Here, we summarize the genetic mechanisms underlying the developmental disorders that arise as a result of improper locus imprinting and the resulting developmental phenotypes, emphasizing both the coding and noncoding components of the locus. We further highlight biological parallels common to both fetal development and disease, with a specific focus on lung development, respiratory disease, and lung cancer. Expert commentary: Many commonalities between respiratory and developmental defects have emerged with respect to the 14q32 locus, emphasizing the importance of studying the effects of imprinting on gene regulation patterns at this locus in both biological settings.
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Affiliation(s)
- Jhon R Enterina
- a British Columbia Cancer Research Centre , Vancouver , BC , Canada
| | | | | | - Erin A Marshall
- a British Columbia Cancer Research Centre , Vancouver , BC , Canada
| | - Kevin W Ng
- a British Columbia Cancer Research Centre , Vancouver , BC , Canada
| | - Wan L Lam
- a British Columbia Cancer Research Centre , Vancouver , BC , Canada
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Bug S, Solfrank B, Schmitz F, Pricelius J, Stecher M, Craig A, Botcherby M, Nevinny-Stickel-Hinzpeter C. Diagnostic utility of novel combined arrays for genome-wide simultaneous detection of aneuploidy and uniparental isodisomy in losses of pregnancy. Mol Cytogenet 2014; 7:43. [PMID: 25013457 PMCID: PMC4090657 DOI: 10.1186/1755-8166-7-43] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2014] [Accepted: 05/27/2014] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND This proof-of-principle study demonstrates the usefulness and robustness of a novel array based method for the elucidation of genetic causes underlying early pregnancy loss. A combined microarray utilizing comparative genomic hybridization and single nucleotide polymorphism detection (CGH + SNP) was used for parallel genome-wide identification of copy number and heterozygosity status of 70 products of conception. Results of samples with previously determined aneuploidies were juxtaposed to those of a second cohort appearing normal after routine genetic diagnostics. RESULTS All chromosomal imbalances were confirmed, in one sample of the aneuploid panel additional monosomy X was discovered. Genome-wide uniparental disomy causing a complete hydatidiform mole was identified in another sample. No specimen featured microaberrations of obvious clinical relevance. Among cases with presumable euploidy, one microdeletion and a single region of homozygosity were assigned unclear clinical significance. CONCLUSIONS The results prove the utility of combined imbalance and homozygosity mapping for routine workup of these challenging specimens. Moreover parallel screening at submicroscopic resolution facilitates the detection of novel genetic alterations underlying spontaneous abortion.
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Affiliation(s)
- Stefanie Bug
- synlab Medizinisches Versorgungszentrum Humane Genetik München, Lindwurmstraße 23, D-80337 Munich, Germany
| | - Beate Solfrank
- synlab Medizinisches Versorgungszentrum Humane Genetik München, Lindwurmstraße 23, D-80337 Munich, Germany
| | - Felizitas Schmitz
- synlab Medizinisches Versorgungszentrum Humane Genetik München, Lindwurmstraße 23, D-80337 Munich, Germany
| | - Jana Pricelius
- synlab Medizinisches Versorgungszentrum Humane Genetik München, Lindwurmstraße 23, D-80337 Munich, Germany
| | - Mona Stecher
- synlab Medizinisches Versorgungszentrum Humane Genetik München, Lindwurmstraße 23, D-80337 Munich, Germany
| | - Andrew Craig
- BlueGnome Ltd, An Illumina Company, Cambridge, UK
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Lepshin MV, Sazhenova EA, Lebedev IN. Multiple epimutations in imprinted genes in the human genome and congenital disorders. RUSS J GENET+ 2014. [DOI: 10.1134/s1022795414030053] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Sugiura-Ogasawara M, Ozaki Y, Nakanishi T, Sato T, Suzumori N, Kumagai K. ORIGINAL ARTICLE: Occasional Antiphospholipid Antibody Positive Patients with Recurrent Pregnancy Loss Also Merit Aspirin Therapy: A Retrospective Cohort-Control Study. Am J Reprod Immunol 2008; 59:235-41. [DOI: 10.1111/j.1600-0897.2007.00570.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Mattes J, Whitehead B, Liehr T, Wilkinson I, Bear J, Fagan K, Craven P, Bennetts B, Edwards M. Paternal uniparental isodisomy for chromosome 14 with mosaicism for a supernumerary marker chromosome 14. Am J Med Genet A 2007; 143A:2165-71. [PMID: 17702046 DOI: 10.1002/ajmg.a.31896] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Uniparental disomy (UPD) describes the inheritance of two homologous chromosomes from a single parent. Disease phenotypes associated with UPD and chromosomal imprinting, rather than with mutations, include Beckwith-Wiedemann syndrome (paternal UPD11p), Angelman syndrome (paternal UPD15), Prader-Willi syndrome (maternal UPD15), and transient neonatal diabetes (paternal UPD6). Here we report on the first case of paternal uniparental isodisomy of chromosome 14 with a mosaicism for a supernumerary marker chromosome 14. The patient demonstrated a small thorax with a 'coat hanger' shape of the ribs, kyphoscoliosis, hypoplasia of the maxilla and mandible, a broad nasal bridge with anteverted nares, contractures of the wrists with ulnar deviation bilaterally, diastasis recti, and marked muscle hypotonia. Vertical skin creases under the chin and stippled epiphyses of the humeri were features not previously described in patients with paternal UPD14. This case illustrates that as with the finding of an isochromosome, a supernumerary marker chromosome can be an important clue to the presence of UPD14.
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Affiliation(s)
- Joerg Mattes
- Department of Paediatrics, John Hunter Hospital, Newcastle, Australia.
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Curtis L, Antonelli E, Vial Y, Rimensberger P, Le Merrer M, Hinard C, Bottani A, Fokstuen S. Prenatal diagnostic indicators of paternal uniparental disomy 14. Prenat Diagn 2006; 26:662-6. [PMID: 16715538 DOI: 10.1002/pd.1453] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
OBJECTIVES To present clinical findings of a child with paternal uniparental isodisomy 14 (pat UPD14) focusing on relevant prenatal characteristics. METHODS/RESULTS Ultrasonography at 23 weeks of gestation of a 37-year-old multigravid woman revealed a fetus with polyhydramnios, small thorax, and short, distinctively angled ribs. Fetal karyotype was 46,XY. The child was born spontaneously at 35 weeks with poor neonatal adaptation. From birth, he presented with severe respiratory insufficiency due to severe thoracic malformation. Clinical examination revealed a small, bell-shaped thorax, redundant lax skin, mild contractures of the fingers and dysmorphic facial features. Chest X rays showed short, abnormally curved ribs that suggested the possibility of pat UPD14, which was confirmed by molecular analysis. CONCLUSION Pat UPD14 is associated with a distinct clinical phenotype. Prognosis is poor because of severe respiratory insufficiency and neurodevelopmental retardation. Our report confirms salient postnatal signs of previous descriptions, especially the characteristic radiological abnormalities with ribs showing a 'coat-hanger' configuration. Retrospective fetal ultrasound of our case allowed the identification of this pathognomonic feature prenatally, which makes it possible to consider pat UPD14 at routine prenatal sonography, in particular in combination with a small bell-shaped thorax and polyhydramnios.
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Affiliation(s)
- Logos Curtis
- Division of Medical Genetics, Geneva University Hospitals, Geneva, Switzerland
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