1
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Chida-Nagai A, Tonoki H, Makita N, Ishiyama H, Ihara M, Maruo Y, Tsujioka T, Sasaki D, Izumi G, Yamazawa H, Kato N, Ito M, Fujimura M, Sasaki O, Takeda A. A Noonan-like pediatric patient with a de novo CBL pathogenic variant and an RNF213 polymorphism p.R4810K presenting with cardiopulmonary arrest due to left main coronary artery ostial atresia. Am J Med Genet A 2023; 191:2837-2842. [PMID: 37554039 DOI: 10.1002/ajmg.a.63370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 07/06/2023] [Accepted: 07/29/2023] [Indexed: 08/10/2023]
Abstract
Left main coronary artery ostial atresia (LMCAOA) is an extremely rare condition. Here, we report the case of a 14-year-old boy with Noonan syndrome-like disorder in whom LMCAOA was detected following cardiopulmonary arrest. The patient had been diagnosed with Noonan syndrome-like disorder with a pathogenic splice site variant of CBL c.1228-2 A > G. He suddenly collapsed when he was running. After administering two electric shocks using an automated external defibrillator, the patient's heartbeat resumed. Cardiac catheterization confirmed the diagnosis of LMCAOA. Left main coronary artery angioplasty was performed. The patient was discharged without neurological sequelae. Brain magnetic resonance imaging revealed asymptomatic Moyamoya disease. In addition, RNF213 c.14429 G > A p.R4810K was identified. There are no reports on congenital coronary malformations of compound variations of RNF213 and CBL. In contrast, the RNF213 p.R4810K polymorphism has been established as a risk factor for angina pectoris and myocardial infarction in adults, and several congenital coronary malformations due to genetic abnormalities within the RAS/MAPK signaling pathway have been reported. This report aims to highlight the risk of sudden death in patients with RASopathy and RNF213 p.R4810K polymorphism and emphasize the significance of actively searching for coronary artery morphological abnormalities in these patients.
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Affiliation(s)
- Ayako Chida-Nagai
- Department of Pediatrics, Hokkaido University Hospital, Sapporo, Japan
| | - Hidefumi Tonoki
- Department of Pediatrics, Hokkaido University Hospital, Sapporo, Japan
- Medical Genetics Center, Tenshi Hospital, Sapporo, Japan
| | - Naomasa Makita
- Omics Research Center, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Hiroyuki Ishiyama
- Department of Neurology, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Masafumi Ihara
- Department of Neurology, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Yuji Maruo
- Department of Pediatrics, Hokkaido University Hospital, Sapporo, Japan
| | - Takao Tsujioka
- Department of Pediatrics, Hokkaido University Hospital, Sapporo, Japan
| | - Daisuke Sasaki
- Department of Pediatrics, Hokkaido University Hospital, Sapporo, Japan
| | - Gaku Izumi
- Department of Pediatrics, Hokkaido University Hospital, Sapporo, Japan
| | - Hirokuni Yamazawa
- Department of Pediatrics, Hokkaido University Hospital, Sapporo, Japan
| | - Nobuyasu Kato
- Department of Cardiovascular Surgery, Hokkaido University, Sapporo, Japan
| | - Masaki Ito
- Department of Neurosurgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Miki Fujimura
- Department of Neurosurgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Osamu Sasaki
- Department of Pediatrics, Hokkaido University Hospital, Sapporo, Japan
- Department of Pediatrics, Tenshi Hospital, Sapporo, Japan
| | - Atsuhito Takeda
- Department of Pediatrics, Hokkaido University Hospital, Sapporo, Japan
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2
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Yamada M, Suzuki H, Miya F, Kosugiyama K, Ujiie T, Tonoki H, Kosaki K. Precise definition of the breakpoints of an apparently balanced translocation between chromosome 3q26 and chromosome 7q36: Role of KMT2C disruption. Congenit Anom (Kyoto) 2023. [PMID: 36946065 DOI: 10.1111/cga.12514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 02/06/2023] [Accepted: 02/26/2023] [Indexed: 03/23/2023]
Abstract
When a de novo balanced reciprocal translocation is identified in the patient, the cause of phenotype of the patient can be explained by detecting the breakpoints of the genes. Here, we report a 3-year-old patient with developmental delay, autism spectrum disorder, and distinctive facial features who had an apparently balanced translocation between chromosome 3q26 and chromosome 7q36. Nanopore long-read sequencing revealed that balanced translocation disrupted the KMT2C gene, the haploinsufficiency of which leads to Kleefstra syndrome 2 characterized by delayed psychomotor development, variable intellectual disability and mild dysmorphism. Nanopore long read sequencing was shown to be useful in elucidating the exact genetic etiology of patients with nonspecific clinical findings.
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Affiliation(s)
- Mamiko Yamada
- Center for Medical Genetics, Keio University School of Medicine, Tokyo, Japan
| | - Hisato Suzuki
- Center for Medical Genetics, Keio University School of Medicine, Tokyo, Japan
| | - Fuyuki Miya
- Center for Medical Genetics, Keio University School of Medicine, Tokyo, Japan
| | - Kiyotaka Kosugiyama
- Department of Pediatrics, Hokkaido University School of Medicine, Sapporo, Japan
| | | | | | - Kenjiro Kosaki
- Center for Medical Genetics, Keio University School of Medicine, Tokyo, Japan
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3
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Maruo Y, Egawa K, Tonoki H, Terae S, Ueda Y, Shiraishi H. Selective Eating in Autism Spectrum Disorder Leading to Kwashiorkor and Brain Edema. Pediatr Neurol 2021; 116:55-56. [PMID: 33485032 DOI: 10.1016/j.pediatrneurol.2020.12.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Accepted: 12/21/2020] [Indexed: 11/29/2022]
Affiliation(s)
- Yuji Maruo
- Department of Pediatrics, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Kiyoshi Egawa
- Department of Pediatrics, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | | | - Satoshi Terae
- Department of Diagnostic Radiology, Sapporo City General Hospital, Sapporo, Hokkaido, Japan
| | - Yuki Ueda
- Department of Pediatrics, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Hideaki Shiraishi
- Department of Pediatrics, Hokkaido University Graduate School of Medicine, Sapporo, Japan.
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Hamada S, Kato C, Takahashi T, Hayashi A, Ueda Y, Sato Y, Tonoki H, Okamoto T. A girl presenting with gradually elevated levels of serum creatinine: Answers. Pediatr Nephrol 2020; 35:1427-1428. [PMID: 31960139 DOI: 10.1007/s00467-020-04479-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Revised: 01/06/2020] [Accepted: 01/08/2020] [Indexed: 11/27/2022]
Affiliation(s)
- Shiori Hamada
- Department of Pediatrics, Hokkaido University Graduate School of Medicine, North 15, West 7, Sapporo, Japan
| | - Chie Kato
- Department of Nutritional Management Center, Hokkaido University Hospital, Sapporo, Japan
| | - Toshiyuki Takahashi
- Department of Pediatrics, Hokkaido University Graduate School of Medicine, North 15, West 7, Sapporo, Japan
| | - Asako Hayashi
- Department of Pediatrics, Hokkaido University Graduate School of Medicine, North 15, West 7, Sapporo, Japan
| | - Yasuhiro Ueda
- Department of Pediatrics, Hokkaido University Graduate School of Medicine, North 15, West 7, Sapporo, Japan
| | - Yasuyuki Sato
- Department of Pediatrics, Hokkaido University Graduate School of Medicine, North 15, West 7, Sapporo, Japan
| | - Hidefumi Tonoki
- Medical Genetics Center, Department of Pediatrics, Tenshi Hospital, Sapporo, Japan
| | - Takayuki Okamoto
- Department of Pediatrics, Hokkaido University Graduate School of Medicine, North 15, West 7, Sapporo, Japan.
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Higashimoto K, Watanabe H, Tanoue Y, Tonoki H, Tokutomi T, Hara S, Yatsuki H, Soejima H. Hypomethylation of a centromeric block of ICR1 is sufficient to cause Silver-Russell syndrome. J Med Genet 2020; 58:422-425. [PMID: 32447322 PMCID: PMC8142445 DOI: 10.1136/jmedgenet-2020-106907] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 04/08/2020] [Accepted: 04/20/2020] [Indexed: 11/15/2022]
Abstract
Silver-Russell syndrome (SRS) is a representative imprinting disorder. A major cause is the loss of methylation (LOM) of imprinting control region 1 (ICR1) within the IGF2/H19 domain. ICR1 is a gametic differentially methylated region (DMR) consisting of two repeat blocks, with each block including three CTCF target sites (CTSs). ICR1-LOM on the paternal allele allows CTCF to bind to CTSs, resulting in IGF2 repression on the paternal allele and biallelic expression of H19. We analysed 10 differentially methylated sites (DMSs) (ie, seven CTSs and three somatic DMRs within the IGF2/H19 domain, including two IGF2-DMRs and the H19-promoter) in five SRS patients with ICR1-LOM. Four patients showed consistent hypomethylation at all DMSs; however, one exhibited a peculiar LOM pattern, showing LOM at the centromeric region of the IGF2/H19 domain but normal methylation at the telomeric region. This raised important points: there may be a separate regulation of DNA methylation for the two repeat blocks within ICR1; there is independent control of somatic DMRs under each repeat block; sufficient IGF2 repression to cause SRS phenotypes occurs by LOM only in the centromeric block; and the need for simultaneous methylation analysis of several DMSs in both blocks for a correct molecular diagnosis.
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Affiliation(s)
- Ken Higashimoto
- Division of Molecular Genetics & Epigenetics, Department of Biomolecular Sciences, Saga University Faculty of Medicine, Saga, Japan
| | - Hijiri Watanabe
- Department of Pediatrics, Amakusa Medical Center, Amakusa, Japan
| | - Yuka Tanoue
- Division of Molecular Genetics & Epigenetics, Department of Biomolecular Sciences, Saga University Faculty of Medicine, Saga, Japan
| | - Hidefumi Tonoki
- Medical Genetics Center, Department of Pediatrics, Tenshi Hospital, Sapporo, Japan
| | - Tomoharu Tokutomi
- Department of Clinical Genetics, School of Medicine, Iwate Medical University, Morioka, Japan
| | - Satoshi Hara
- Division of Molecular Genetics & Epigenetics, Department of Biomolecular Sciences, Saga University Faculty of Medicine, Saga, Japan
| | - Hitomi Yatsuki
- Division of Molecular Genetics & Epigenetics, Department of Biomolecular Sciences, Saga University Faculty of Medicine, Saga, Japan
| | - Hidenobu Soejima
- Division of Molecular Genetics & Epigenetics, Department of Biomolecular Sciences, Saga University Faculty of Medicine, Saga, Japan
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Yamoto K, Saitsu H, Nishimura G, Kosaki R, Takayama S, Haga N, Tonoki H, Okumura A, Horii E, Okamoto N, Suzumura H, Ikegawa S, Kato F, Fujisawa Y, Nagata E, Takada S, Fukami M, Ogata T. Comprehensive clinical and molecular studies in split-hand/foot malformation: identification of two plausible candidate genes (LRP6 and UBA2). Eur J Hum Genet 2019; 27:1845-1857. [PMID: 31332306 DOI: 10.1038/s41431-019-0473-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Revised: 05/27/2019] [Accepted: 07/02/2019] [Indexed: 12/18/2022] Open
Abstract
Split-hand/foot malformation (SHFM) is a clinically and genetically heterogeneous condition. We sequentially performed screening of the previously identified Japanese founder 17p13.3 duplication/triplication involving BHLHA9, array comparative genomic hybridization, and whole exome sequencing (WES) in newly recruited 41 Japanese families with non-syndromic and syndromic SHFM. We also carried out WES in seven families with nonsyndromic and syndromic SHFM in which underlying genetic causes including pathogenic copy-number variants (CNVs) remained undetected in our previous studies of 56 families. Consequently, we identified not only known pathogenic CNVs (17p13.3 duplications/triplications [n = 21], 2q31 deletion [n = 1], and 10q24 duplications [n = 3]) and rare variants in known causative genes (TP63 [n = 3], DLX5 [n = 1], IGF2 [n = 1], WNT10B [n = 3], WNT10B/PORCN [n = 1], and PORCN [n = 1]), but also a de novo 19q13.11 deletion disrupting UBA2 (n = 1) and variants that probably affect function in LRP6 (n = 1) and UBA2 (n = 1). Thus, together with our previous data based on testing of 56 families, molecular studies for a total of 97 families with SHFM revealed underlying genetic causes in 75 families, and clinical studies for the 75 families indicated a certain degree of correlation between genetic causes and phenotypes. The results imply that SHFM primarily occurs as a genetic disorder with genotype-phenotype correlations. Furthermore, the results together with previous data such as the development of SHFM in Lrp6 knockout mice, the presence of SHFM in two subjects with 19q13 deletions involving UBA2, and strong mouse Uba2 expression in the developing limb buds, imply that LRP6 and UBA2 represent plausible candidate genes for SHFM.
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Affiliation(s)
- Kaori Yamoto
- Department of Pediatrics, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Hirotomo Saitsu
- Department of Biochemistry, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Gen Nishimura
- Center for Intractable Diseases, Saitama Medical University Hospital, Iruma, Japan
| | - Rika Kosaki
- Division of Medical Genetics, National Center for Child Health and Development, Tokyo, Japan
| | - Shinichiro Takayama
- Division of Orthopedic Surgery, National Center for Child Health and Development, Tokyo, Japan
| | - Nobuhiko Haga
- Department of Rehabilitation Medicine, Graduate School of Medicine, University of Tokyo, Tokyo, Japan
| | - Hidefumi Tonoki
- Department of Pediatrics, Sapporo Tenshi Hospital, Sapporo, Japan
| | - Akihisa Okumura
- Department of Pediatrics, Aichi Medical University, Nagakute, Japan
| | - Emiko Horii
- Department of Orthopedic Surgery, Nagoya First Red Cross Hospital, Nagoya, Japan
| | - Nobuhiko Okamoto
- Department of Medical Genetics, Osaka Women's and Children's Hospital, Osaka, Japan
| | - Hiroshi Suzumura
- Department of Pediatrics, Dokkyo Medical University School of Medicine, Mibu, Japan
| | - Shiro Ikegawa
- Laboratory of Bone and Joint Diseases, Center for Integrative Medical Sciences, RIKEN, Tokyo, Japan
| | - Fumiko Kato
- Department of Pediatrics, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Yasuko Fujisawa
- Department of Pediatrics, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Eiko Nagata
- Department of Pediatrics, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Shuji Takada
- Department of Systems BioMedicine, National Research Institute for Child Health and Development, Tokyo, Japan
| | - Maki Fukami
- Department of Molecular Endocrinology, National Research Institute for Child Health and Development, Tokyo, Japan
| | - Tsutomu Ogata
- Department of Pediatrics, Hamamatsu University School of Medicine, Hamamatsu, Japan. .,Department of Molecular Endocrinology, National Research Institute for Child Health and Development, Tokyo, Japan.
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7
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Tsutsumi M, Fujita N, Suzuki F, Mishima T, Fujieda S, Watari M, Takahashi N, Tonoki H, Moriwaka O, Endo T, Kurahashi H. A constitutional jumping translocation involving the Y and acrocentric chromosomes. Asian J Androl 2018; 21:239271. [PMID: 30147084 PMCID: PMC6337947 DOI: 10.4103/aja.aja_60_18] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Accepted: 06/20/2018] [Indexed: 11/04/2022] Open
Affiliation(s)
- Makiko Tsutsumi
- Division of Molecular Genetics, Institute for Comprehensive Medical Science, Fujita Health University, Toyoake 470-1192, Japan
| | - Naoko Fujita
- Division of Molecular Genetics, Institute for Comprehensive Medical Science, Fujita Health University, Toyoake 470-1192, Japan
- Genome and Transcriptome Analysis Center, Fujita Health University, Toyoake 470-1192, Japan
| | - Fumihiko Suzuki
- Center for Collaboration in Research and Education, Fujita Health University, Toyoake 470-1192, Japan
| | - Takashi Mishima
- Department of Obstetrics and Gynecology, Tenshi Hospital, Sapporo 065-8611, Japan
| | - Satoko Fujieda
- Department of Obstetrics and Gynecology, Tenshi Hospital, Sapporo 065-8611, Japan
| | - Michiko Watari
- Department of Obstetrics and Gynecology, Tenshi Hospital, Sapporo 065-8611, Japan
| | | | - Hidefumi Tonoki
- Department of Pediatrics, Tenshi Hospital, Sapporo 065-8611, Japan
| | | | - Toshiaki Endo
- Department of Obstetrics and Gynecology, Sapporo Medical University, Sapporo 060-8556, Japan
| | - Hiroki Kurahashi
- Division of Molecular Genetics, Institute for Comprehensive Medical Science, Fujita Health University, Toyoake 470-1192, Japan
- Genome and Transcriptome Analysis Center, Fujita Health University, Toyoake 470-1192, Japan
- Center for Collaboration in Research and Education, Fujita Health University, Toyoake 470-1192, Japan
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8
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Hishimura-Yonemaru N, Okuhara K, Takahashi N, Tonoki H, Iizuka S, Tajima T. A case of 45,X/47,XXX mosaic Turner syndrome with limb length discrepancy. Clin Pediatr Endocrinol 2017; 26:259-263. [PMID: 29026275 PMCID: PMC5627227 DOI: 10.1297/cpe.26.259] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Accepted: 06/05/2017] [Indexed: 11/30/2022] Open
Abstract
Patients with Turner syndrome (TS) frequently show short stature and skeletal
deformities, such as kyphosis and scoliosis. However, to the best of our knowledge, limb
length discrepancy (LLD) has not yet been reported in patients with TS. The case of a
12-yr-old girl with 45,X/47,XXX mosaic TS showing LLD is herein presented. She was on GH
therapy for short stature and was noted to have scoliosis in the standing position at a
regular examination; however, the scoliosis became less evident in the supine position,
which is indicative of LLD. The length of the left leg was 5.0 cm shorter than that of the
right leg when measured. She was referred to orthopedics and underwent right distal
femoral and right proximal tibial staple epiphysiodesis to shorten the abnormally long
limb at 10 yr 6 mo of age. One year after the operation, the LLD decreased from 5.0 to 1.5
cm. During this period, GH was continued. LLD is a rare complication in TS, but when
patients with TS show scoliosis in the standing position, re-evaluation for scoliosis in
the supine position should be performed and the lengths of both legs should be
measured.
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Affiliation(s)
- Nozomi Hishimura-Yonemaru
- Sapporo Tenshi Hospital, Hokkaido, Japan.,Present: Department of Pediatrics, Sapporo City General Hospital, Hokkaido, Japan
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Mishima T, Watari M, Iwaki Y, Nagai T, Kawamata-Nakamura M, Kobayashi Y, Fujieda S, Oikawa M, Takahashi N, Keira M, Yoshida H, Tonoki H. Miller-Dieker Syndrome with unbalanced translocation 45, X, psu dic(17;Y)(p13;p11.32) detected by fluorescence in situ hybridization and G-banding analysis using high resolution banding technique. Congenit Anom (Kyoto) 2017; 57:61-63. [PMID: 27644460 DOI: 10.1111/cga.12193] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Revised: 09/06/2016] [Accepted: 09/13/2016] [Indexed: 11/30/2022]
Abstract
Lissencephaly is one of the central nervous system anomalies of Miller-Dieker Syndrome (MDS). Fetuses with lissencephaly have an abnormal smooth brain with fewer folds and grooves that will be detected by ultrasounds or fetal magnetic resonance imaging (MRI) after 30 weeks of gestation. We report a fetus with lissencephaly diagnosed as Miller-Dieker Syndrome postnatally. G banded chromosome analysis revealed 45,X,psu dic(17;Y)(p13;p11.32).ish dic (17;Y)(LIS1-,RARA+, SRY+, DYZ3+) by G-banding analysis using high resolution banding technique. Fetal delayed cortical development will be the findings to perform further investigations including fluorescence in situ hybridization analysis for MDS, a 17p13.3 microdeletion syndrome, pre/postnatally. This will be the first case of MDS with unbalanced translocation between deleted short arm of chromosome 17 and Y chromosome.
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Affiliation(s)
- Takashi Mishima
- Department of Obstetrics and Gynecology, Bokoi Tenshi Hospital, Sapporo, Hokkaido, Japan
| | - Michiko Watari
- Department of Obstetrics and Gynecology, Bokoi Tenshi Hospital, Sapporo, Hokkaido, Japan
| | - Yutaka Iwaki
- Department of Obstetrics and Gynecology, Bokoi Tenshi Hospital, Sapporo, Hokkaido, Japan
| | - Takumi Nagai
- Department of Obstetrics and Gynecology, Bokoi Tenshi Hospital, Sapporo, Hokkaido, Japan
| | - Miho Kawamata-Nakamura
- Department of Obstetrics and Gynecology, Bokoi Tenshi Hospital, Sapporo, Hokkaido, Japan
| | - Yukako Kobayashi
- Department of Obstetrics and Gynecology, Bokoi Tenshi Hospital, Sapporo, Hokkaido, Japan
| | - Satoko Fujieda
- Department of Obstetrics and Gynecology, Bokoi Tenshi Hospital, Sapporo, Hokkaido, Japan
| | - Mamoru Oikawa
- Department of Obstetrics and Gynecology, Bokoi Tenshi Hospital, Sapporo, Hokkaido, Japan
| | - Nobuhiro Takahashi
- Neonatal Intensive Care Unit, Bokoi Tenshi Hospital, Sapporo, Hokkaido, Japan
| | - Mitsuaki Keira
- Neonatal Intensive Care Unit, Bokoi Tenshi Hospital, Sapporo, Hokkaido, Japan
| | - Hiroshi Yoshida
- Department of Obstetrics and Gynecology, Bokoi Tenshi Hospital, Sapporo, Hokkaido, Japan
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Hishimura N, Watari M, Ohata H, Fuseya N, Wakiguchi S, Tokutomi T, Okuhara K, Takahashi N, Iizuka S, Yamamoto H, Mishima T, Fujieda S, Kobayashi R, Cho K, Kuroda Y, Kurosawa K, Tonoki H. Genetic and prenatal findings in two Japanese patients with Schinzel-Giedion syndrome. Clin Case Rep 2016; 5:5-8. [PMID: 28096980 PMCID: PMC5224771 DOI: 10.1002/ccr3.738] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2015] [Revised: 07/30/2016] [Accepted: 10/07/2016] [Indexed: 11/28/2022] Open
Abstract
We report two Japanese patients with Schinzel–Giedion syndrome. When polyhydramnios is observed, additional fetal findings such as overlapping fingers, hydrocephalus, hydronephrosis, and very characteristic facial appearance comprising high, prominent forehead, hypertelorism, and depressed nasal root may suggest Schinzel–Giedion syndrome.
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Affiliation(s)
- Nozomi Hishimura
- Department of Pediatrics Tenshi Hospital N-12, E-3 Sapporo 065-8611 Japan
| | - Michiko Watari
- Department of Obstetrics and Gynecology Tenshi Hospital N-12, E-3 Sapporo 065-8611 Japan
| | - Hiroki Ohata
- Department of Pediatrics Tenshi Hospital N-12, E-3 Sapporo 065-8611 Japan
| | - Naho Fuseya
- Department of Pediatrics Tenshi Hospital N-12, E-3 Sapporo 065-8611 Japan
| | - Sadae Wakiguchi
- Department of Pediatrics Tenshi Hospital N-12, E-3 Sapporo 065-8611 Japan
| | - Tomoharu Tokutomi
- Department of Pediatrics Tenshi Hospital N-12, E-3 Sapporo 065-8611 Japan
| | - Kouji Okuhara
- Department of Pediatrics Tenshi Hospital N-12, E-3 Sapporo 065-8611 Japan
| | - Nobuhiro Takahashi
- Department of Pediatrics Tenshi Hospital N-12, E-3 Sapporo 065-8611 Japan
| | - Susumu Iizuka
- Department of Pediatrics Tenshi Hospital N-12, E-3 Sapporo 065-8611 Japan
| | - Hiroshi Yamamoto
- Department of Pediatric Surgery Tenshi Hospital N-12, E-3 Sapporo 065-8611 Japan
| | - Takashi Mishima
- Department of Obstetrics and Gynecology Tenshi Hospital N-12, E-3 Sapporo 065-8611 Japan
| | - Satoko Fujieda
- Department of Obstetrics and Gynecology Tenshi Hospital N-12, E-3 Sapporo 065-8611 Japan
| | - Ryoji Kobayashi
- Department of Pediatrics Sapporo Hokuyu Hospital 6-6 Higashi-Sapporo Sapporo 003-0006 Japan
| | - Kazutoshi Cho
- Maternity and Perinatal Care Center Hokkaido University Hospital N-15, W-7 Sapporo 060-8638 Japan
| | - Yukiko Kuroda
- Division of Medical Genetics Kanagawa Children's Medical Center 2-138-4 Mutsukawa Minami-ku Yokohama 232-8555 Japan
| | - Kenji Kurosawa
- Division of Medical Genetics Kanagawa Children's Medical Center 2-138-4 Mutsukawa Minami-ku Yokohama 232-8555 Japan
| | - Hidefumi Tonoki
- Department of Pediatrics Tenshi Hospital N-12, E-3 Sapporo 065-8611 Japan
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Maeda T, Higashimoto K, Jozaki K, Yatsuki H, Nakabayashi K, Makita Y, Tonoki H, Okamoto N, Takada F, Ohashi H, Migita M, Kosaki R, Matsubara K, Ogata T, Matsuo M, Hamasaki Y, Ohtsuka Y, Nishioka K, Joh K, Mukai T, Hata K, Soejima H. Comprehensive and quantitative multilocus methylation analysis reveals the susceptibility of specific imprinted differentially methylated regions to aberrant methylation in Beckwith-Wiedemann syndrome with epimutations. Genet Med 2014; 16:903-12. [PMID: 24810686 PMCID: PMC4262761 DOI: 10.1038/gim.2014.46] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2013] [Accepted: 04/07/2014] [Indexed: 01/20/2023] Open
Abstract
Purpose: Expression of imprinted genes is regulated by DNA methylation of differentially methylated regions (DMRs). Beckwith–Wiedemann syndrome is an imprinting disorder caused by epimutations of DMRs at 11p15.5. To date, multiple methylation defects have been reported in Beckwith–Wiedemann syndrome patients with epimutations; however, limited numbers of DMRs have been analyzed. The susceptibility of DMRs to aberrant methylation, alteration of gene expression due to aberrant methylation, and causative factors for multiple methylation defects remain undetermined. Methods: Comprehensive methylation analysis with two quantitative methods, matrix-assisted laser desorption/ionization mass spectrometry and bisulfite pyrosequencing, was conducted across 29 DMRs in 54 Beckwith–Wiedemann syndrome patients with epimutations. Allelic expressions of three genes with aberrant methylation were analyzed. All DMRs with aberrant methylation were sequenced. Results: Thirty-four percent of KvDMR1–loss of methylation patients and 30% of H19DMR–gain of methylation patients showed multiple methylation defects. Maternally methylated DMRs were susceptible to aberrant hypomethylation in KvDMR1–loss of methylation patients. Biallelic expression of the genes was associated with aberrant methylation. Cis-acting pathological variations were not found in any aberrantly methylated DMR. Conclusion: Maternally methylated DMRs may be vulnerable to DNA demethylation during the preimplantation stage, when hypomethylation of KvDMR1 occurs, and aberrant methylation of DMRs affects imprinted gene expression. Cis-acting variations of the DMRs are not involved in the multiple methylation defects.
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Affiliation(s)
- Toshiyuki Maeda
- 1] Division of Molecular Genetics and Epigenetics, Department of Biomolecular Sciences, Faculty of Medicine, Saga University, Saga, Japan [2] Department of Pediatrics, Faculty of Medicine, Saga University, Saga, Japan
| | - Ken Higashimoto
- Division of Molecular Genetics and Epigenetics, Department of Biomolecular Sciences, Faculty of Medicine, Saga University, Saga, Japan
| | - Kosuke Jozaki
- Division of Molecular Genetics and Epigenetics, Department of Biomolecular Sciences, Faculty of Medicine, Saga University, Saga, Japan
| | - Hitomi Yatsuki
- Division of Molecular Genetics and Epigenetics, Department of Biomolecular Sciences, Faculty of Medicine, Saga University, Saga, Japan
| | - Kazuhiko Nakabayashi
- Department of Maternal-Fetal Biology, National Research Institute for Child Health and Development, Tokyo, Japan
| | - Yoshio Makita
- Education Center, Asahikawa Medical University, Asahikawa, Japan
| | - Hidefumi Tonoki
- Department of Pediatrics, Maternal, Perinatal, and Child Medical Center, Tenshi Hospital, Sapporo, Japan
| | - Nobuhiko Okamoto
- Department of Medical Genetics, Osaka Medical Center and Research Institute for Maternal and Child Health, Izumi, Japan
| | - Fumio Takada
- Department of Medical Genetics, Kitasato University Graduate School of Medical Sciences, Kanagawa, Japan
| | - Hirofumi Ohashi
- Division of Medical Genetics, Saitama Children's Medical Center, Saitama, Japan
| | - Makoto Migita
- Department of Pediatrics, Nippon Medical School, Tokyo, Japan
| | - Rika Kosaki
- Division of Medical Genetics, National Center for Child Health and Development, Tokyo, Japan
| | - Keiko Matsubara
- Department of Molecular Endocrinology, National Research Institute for Child Health and Development, Tokyo, Japan
| | - Tsutomu Ogata
- Department of Pediatrics, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Muneaki Matsuo
- Department of Pediatrics, Faculty of Medicine, Saga University, Saga, Japan
| | - Yuhei Hamasaki
- Department of Pediatrics, Faculty of Medicine, Saga University, Saga, Japan
| | - Yasufumi Ohtsuka
- 1] Division of Molecular Genetics and Epigenetics, Department of Biomolecular Sciences, Faculty of Medicine, Saga University, Saga, Japan [2] Department of Pediatrics, Faculty of Medicine, Saga University, Saga, Japan
| | - Kenichi Nishioka
- Division of Molecular Genetics and Epigenetics, Department of Biomolecular Sciences, Faculty of Medicine, Saga University, Saga, Japan
| | - Keiichiro Joh
- Division of Molecular Genetics and Epigenetics, Department of Biomolecular Sciences, Faculty of Medicine, Saga University, Saga, Japan
| | | | - Kenichiro Hata
- Department of Maternal-Fetal Biology, National Research Institute for Child Health and Development, Tokyo, Japan
| | - Hidenobu Soejima
- Division of Molecular Genetics and Epigenetics, Department of Biomolecular Sciences, Faculty of Medicine, Saga University, Saga, Japan
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12
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Yamamoto S, Okuhara K, Tonoki H, Iizuka S, Nihei N, Tajima T. A Novel Deletion Mutation of SLC16A2 Encoding Monocarboxylate Transporter (MCT) 8 in a 26-year-old Japanese Patient with Allan-Herndon-Dudley Syndrome. Clin Pediatr Endocrinol 2013. [PMID: 24170966 PMCID: PMC3809735 DOI: 10.1297/cpe.22.83] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Allan-Herndon-Dudley Syndrome (AHDS), an X linked condition, is characterized by congenital hypotonia that progresses to spasticity with severe psychomotor delays, in combination with altered thyroid hormone levels, in particular, high serum T3 levels. Recently, this disease was proved to be caused by mutations in SLC16A2 coding for the monocarboxylate thyroid hormone transporter 8 (MCT8). Here we describe a 26-year -old Japanese patient with AHDS who had deletion of exon 3 of SLC16A2.
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Affiliation(s)
- Sayaka Yamamoto
- Department of Pediatrics, Tenshi Hospital, Social Medical Corporation Bokoi, Sapporo, Japan
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13
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Yamamoto S, Okuhara K, Tonoki H, Iizuka S, Nihei N, Tajima T. A Novel Deletion Mutation of SLC16A2 Encoding Monocarboxylate Transporter (MCT) 8 in a 26-year-old Japanese Patient with Allan-Herndon-Dudley Syndrome. Clin Pediatr Endocrinol 2013; 22:83-6. [PMID: 24170966 DOI: 10.1292/cpe.22.83] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2013] [Accepted: 06/14/2013] [Indexed: 11/22/2022] Open
Abstract
Allan-Herndon-Dudley Syndrome (AHDS), an X linked condition, is characterized by congenital hypotonia that progresses to spasticity with severe psychomotor delays, in combination with altered thyroid hormone levels, in particular, high serum T3 levels. Recently, this disease was proved to be caused by mutations in SLC16A2 coding for the monocarboxylate thyroid hormone transporter 8 (MCT8). Here we describe a 26-year -old Japanese patient with AHDS who had deletion of exon 3 of SLC16A2.
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Affiliation(s)
- Sayaka Yamamoto
- Department of Pediatrics, Tenshi Hospital, Social Medical Corporation Bokoi, Sapporo, Japan
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14
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Miyake N, Koshimizu E, Okamoto N, Mizuno S, Ogata T, Nagai T, Kosho T, Ohashi H, Kato M, Sasaki G, Mabe H, Watanabe Y, Yoshino M, Matsuishi T, Takanashi JI, Shotelersuk V, Tekin M, Ochi N, Kubota M, Ito N, Ihara K, Hara T, Tonoki H, Ohta T, Saito K, Matsuo M, Urano M, Enokizono T, Sato A, Tanaka H, Ogawa A, Fujita T, Hiraki Y, Kitanaka S, Matsubara Y, Makita T, Taguri M, Nakashima M, Tsurusaki Y, Saitsu H, Yoshiura KI, Matsumoto N, Niikawa N. MLL2 and KDM6A mutations in patients with Kabuki syndrome. Am J Med Genet A 2013; 161A:2234-43. [PMID: 23913813 DOI: 10.1002/ajmg.a.36072] [Citation(s) in RCA: 124] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2013] [Accepted: 05/09/2013] [Indexed: 12/12/2022]
Abstract
Kabuki syndrome is a congenital anomaly syndrome characterized by developmental delay, intellectual disability, specific facial features including long palpebral fissures and ectropion of the lateral third of the lower eyelids, prominent digit pads, and skeletal and visceral abnormalities. Mutations in MLL2 and KDM6A cause Kabuki syndrome. We screened 81 individuals with Kabuki syndrome for mutations in these genes by conventional methods (n = 58) and/or targeted resequencing (n = 45) or whole exome sequencing (n = 5). We identified a mutation in MLL2 or KDM6A in 50 (61.7%) and 5 (6.2%) cases, respectively. Thirty-five MLL2 mutations and two KDM6A mutations were novel. Non-protein truncating-type MLL2 mutations were mainly located around functional domains, while truncating-type mutations were scattered through the entire coding region. The facial features of patients in the MLL2 truncating-type mutation group were typical based on those of the 10 originally reported patients with Kabuki syndrome; those of the other groups were less typical. High arched eyebrows, short fifth finger, and hypotonia in infancy were more frequent in the MLL2 mutation group than in the KDM6A mutation group. Short stature and postnatal growth retardation were observed in all individuals with KDM6A mutations, but in only half of the group with MLL2 mutations.
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Affiliation(s)
- Noriko Miyake
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Japan.
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15
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Tonoki H, Harada N, Shimokawa O, Yosozumi A, Monzaki K, Satoh K, Kosaki R, Sato A, Matsumoto N, Iizuka S. Axenfeld-Rieger anomaly and Axenfeld-Rieger syndrome: clinical, molecular-cytogenetic, and DNA array analyses of three patients with chromosomal defects at 6p25. Am J Med Genet A 2011; 155A:2925-32. [PMID: 22009788 DOI: 10.1002/ajmg.a.33858] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2010] [Accepted: 11/29/2010] [Indexed: 12/26/2022]
Abstract
Clinical phenotypes of and genetic aberrations in three unrelated Japanese patients with Axenfeld-Rieger anomalies and various accompanying malformations of systemic organs are described. GTG-banded chromosome analysis showed terminal deletions of the short arm of chromosome 6 in two patients and an inversion, inv(6)(p25q14), in the other. FISH and DNA array analyses revealed that the two patients with deletions had 5.0-5.7 Mb and 6.6 Mb 6p terminal deletions, respectively, and FOXC1 was apparently deleted in both patients. In the other patient, the inversion breakpoint at 6p25 was estimated to be in or very close to the FOXC1 locus, but DNA array analysis did not reveal a deletion around the breakpoint. Common extraocular findings in these patients included broad forehead, brachycephaly, hypertelorism, downslanting palpebral fissures, small anteverted nose, and cardiac defects. Two patients also exhibited autistic characteristics. The two patients with deletions exhibited poor muscle tone and developmental delays. Most of these extraocular findings were similar to those found in previous patients with FOXC1 mutations and distinct from those found in patients with PITX2 mutations, who frequently develop umbilical and dental anomalies. We suggest that the psychomotor retardation is a clinical manifestation associated with a deletion of multiple contiguous genes in the 6p terminus and that this phenomenon is similar to the 6p25 deletion syndrome. Understanding the relationship between genetic lesions and the spectrum of extraocular findings in patients with Axenfeld-Rieger anomalies may lead to better clinical management.
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Affiliation(s)
- Hidefumi Tonoki
- Section of Clinical Genetics, Department of Pediatrics, Tenshi Hospital, Sapporo, Japan.
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16
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Hannibal MC, Buckingham KJ, Ng SB, Ming JE, Beck AE, McMillin MJ, Gildersleeve HI, Bigham AW, Tabor HK, Mefford HC, Cook J, Yoshiura KI, Matsumoto T, Matsumoto N, Miyake N, Tonoki H, Naritomi K, Kaname T, Nagai T, Ohashi H, Kurosawa K, Hou JW, Ohta T, Liang D, Sudo A, Morris CA, Banka S, Black GC, Clayton-Smith J, Nickerson DA, Zackai EH, Shaikh TH, Donnai D, Niikawa N, Shendure J, Bamshad MJ. Spectrum of MLL2 (ALR) mutations in 110 cases of Kabuki syndrome. Am J Med Genet A 2011; 155A:1511-6. [PMID: 21671394 DOI: 10.1002/ajmg.a.34074] [Citation(s) in RCA: 131] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2011] [Accepted: 03/30/2011] [Indexed: 12/24/2022]
Abstract
Kabuki syndrome is a rare, multiple malformation disorder characterized by a distinctive facial appearance, cardiac anomalies, skeletal abnormalities, and mild to moderate intellectual disability. Simplex cases make up the vast majority of the reported cases with Kabuki syndrome, but parent-to-child transmission in more than a half-dozen instances indicates that it is an autosomal dominant disorder. We recently reported that Kabuki syndrome is caused by mutations in MLL2, a gene that encodes a Trithorax-group histone methyltransferase, a protein important in the epigenetic control of active chromatin states. Here, we report on the screening of 110 families with Kabuki syndrome. MLL2 mutations were found in 81/110 (74%) of families. In simplex cases for which DNA was available from both parents, 25 mutations were confirmed to be de novo, while a transmitted MLL2 mutation was found in two of three familial cases. The majority of variants found to cause Kabuki syndrome were novel nonsense or frameshift mutations that are predicted to result in haploinsufficiency. The clinical characteristics of MLL2 mutation-positive cases did not differ significantly from MLL2 mutation-negative cases with the exception that renal anomalies were more common in MLL2 mutation-positive cases. These results are important for understanding the phenotypic consequences of MLL2 mutations for individuals and their families as well as for providing a basis for the identification of additional genes for Kabuki syndrome.
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Affiliation(s)
- Mark C Hannibal
- Department of Pediatrics, University of Washington, Seattle, 98195, USA
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17
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Tonoki H. [Somatic mosaicism in genetic diseases]. Nihon Rinsho 2010; 68 Suppl 8:38-43. [PMID: 20979267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Affiliation(s)
- Hidefumi Tonoki
- Department of Pediatrics, Section of Medical Genetics, Tenshi Hospital
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18
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Dai J, Kim OH, Cho TJ, Schmidt-Rimpler M, Tonoki H, Takikawa K, Haga N, Miyoshi K, Kitoh H, Yoo WJ, Choi IH, Song HR, Jin DK, Kim HT, Kamasaki H, Bianchi P, Grigelioniene G, Nampoothiri S, Minagawa M, Miyagawa SI, Fukao T, Marcelis C, Jansweijer MCE, Hennekam RCM, Bedeschi F, Mustonen A, Jiang Q, Ohashi H, Furuichi T, Unger S, Zabel B, Lausch E, Superti-Furga A, Nishimura G, Ikegawa S. Novel and recurrent TRPV4 mutations and their association with distinct phenotypes within the TRPV4 dysplasia family. J Med Genet 2010; 47:704-9. [PMID: 20577006 DOI: 10.1136/jmg.2009.075358] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BACKGROUND Mutations in TRPV4, a gene that encodes a Ca(2+) permeable non-selective cation channel, have recently been found in a spectrum of skeletal dysplasias that includes brachyolmia, spondylometaphyseal dysplasia, Kozlowski type (SMDK) and metatropic dysplasia (MD). Only a total of seven missense mutations were detected, however. The full spectrum of TRPV4 mutations and their phenotypes remained unclear. OBJECTIVES AND METHODS To examine TRPV4 mutation spectrum and phenotype-genotype association, we searched for TRPV4 mutations by PCR-direct sequencing from genomic DNA in 22 MD and 20 SMDK probands. RESULTS TRPV4 mutations were found in all but one MD subject. In total, 19 different heterozygous mutations were identified in 41 subjects; two were recurrent and 17 were novel. In MD, a recurrent P799L mutation was identified in nine subjects, as well as 10 novel mutations including F471del, the first deletion mutation of TRPV4. In SMDK, a recurrent R594H mutation was identified in 12 subjects and seven novel mutations. An association between the position of mutations and the disease phenotype was also observed. Thus, P799 in exon 15 is a hot codon for MD mutations, as four different amino acid substitutions have been observed at this codon; while R594 in exon 11 is a hotspot for SMDK mutations. CONCLUSION The TRPV4 mutation spectrum in MD and SMDK, which showed genotype-phenotype correlation and potential functional significance of mutations that are non-randomly distributed over the gene, was presented in this study. The results would help diagnostic laboratories establish efficient screening strategies for genetic diagnosis of the TRPV4 dysplasia family diseases.
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Affiliation(s)
- J Dai
- Laboratory for Bone and Joint Diseases, Center for Genomic Medicine, 4-6-1 Shirokane-dai, Minato-ku, Tokyo 108-8639, Japan
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19
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Kuniba H, Tsuda M, Nakashima M, Miura S, Miyake N, Kondoh T, Matsumoto T, Moriuchi H, Ohashi H, Kurosawa K, Tonoki H, Nagai T, Okamoto N, Kato M, Fukushima Y, Naritomi K, Matsumoto N, Kinoshita A, Yoshiura KI, Niikawa N. Lack of C20orf133 and FLRT3 mutations in 43 patients with Kabuki syndrome in Japan. J Med Genet 2008; 45:479-80. [DOI: 10.1136/jmg.2008.058503] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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20
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Saitoh S, Hosoki K, Takano K, Tonoki H. Mosaic paternally derived inv dup(15) may partially rescue the Prader-Willi syndrome phenotype with uniparental disomy. Clin Genet 2007; 72:378-80. [PMID: 17850637 DOI: 10.1111/j.1399-0004.2007.00860.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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21
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Sato D, Kawara H, Shimokawa O, Harada N, Tonoki H, Takahashi N, Imai Y, Kimura H, Matsumoto N, Ariga T, Niikawa N, Yoshiura KI. A girl with Down syndrome and partial trisomy for 21pter-q22.13: A clue to narrow the Down syndrome critical region. Am J Med Genet A 2007; 146A:124-7. [PMID: 18074380 DOI: 10.1002/ajmg.a.31974] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Daisuke Sato
- Department of Human Genetics, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
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22
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Miyake N, Shimokawa O, Harada N, Sosonkina N, Okubo A, Kawara H, Okamoto N, Ohashi H, Kurosawa K, Naritomi K, Kaname T, Nagai T, Shotelersuk V, Hou JW, Fukushima Y, Kondoh T, Matsumoto T, Shinoki T, Kato M, Tonoki H, Nomura M, Yoshiura KI, Kishino T, Ohta T, Niikawa N, Matsumoto N. No detectable genomic aberrations by BAC array CGH in Kabuki make-up syndrome patients. Am J Med Genet A 2006; 140:291-3. [PMID: 16278908 DOI: 10.1002/ajmg.a.31012] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Obikane K, Nakashima T, Watarai Y, Morita K, Cho K, Tonoki H, Nagata M, Sasaki S. Renal failure due to tubulointerstitial nephropathy in an infant with cranioectodermal dysplasia. Pediatr Nephrol 2006; 21:574-6. [PMID: 16491415 DOI: 10.1007/s00467-006-0031-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2005] [Revised: 11/09/2005] [Accepted: 11/11/2005] [Indexed: 01/08/2023]
Abstract
Cranioectodermal dysplasia (CED) is a rare autosomal recessive disease with characteristic craniofacial, skeletal, and ectodermal-derived tissue abnormalities. In this disease, tubulointerstitial nephropathy (TIN) has been reported as one of the life-threatening combinations. Here we report a sporadic case of CED showing signs of renal failure during the perinatal period. Renal biopsy at the age of 6 months revealed TIN consisting of marked interstitial fibrosis with inflammatory cell infiltration accompanied by scattered tubular atrophy. Glomeruli were often sclerosed and others showed prominent immaturity; the findings are supportive of progressive deterioration of renal function in this infant. This case suggests that TIN in CED can occur during the fetal period and progress rapidly, leading to end-stage renal failure in infancy.
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Affiliation(s)
- Katsuyuki Obikane
- Department of Pediatrics, Hokkaido University Graduate School of Medicine, Sapporo 060-8638, Japan
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24
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Ichikawa M, Okajima M, Wada T, Gokan Y, Shimakage H, Tonoki H, Saitoh S. Non-chromosome 15 marker chromosome in a Prader-Willi syndrome patient with uniparental disomy. Pediatr Int 2006; 48:97-9. [PMID: 16490083 DOI: 10.1111/j.1442-200x.2006.02163.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Mizuho Ichikawa
- Hokkaido University Graduate School of Medicine, Sapporo, Japan
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25
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Tonoki H. [Somatic mosaicism in genetic diseases]. Nihon Rinsho 2005; 63 Suppl 12:81-6. [PMID: 16416775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Affiliation(s)
- Hidefumi Tonoki
- Department of Pediatrics, Medical Genetics Section, Tenshi Hospital, Caress Alliance Medical Corporation
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26
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Nagai T, Obata K, Tonoki H, Temma S, Murakami N, Katada Y, Yoshino A, Sakazume S, Takahashi E, Sakuta R, Niikawa N. Cause of sudden, unexpected death of Prader-Willi syndrome patients with or without growth hormone treatment. Am J Med Genet A 2005; 136:45-8. [PMID: 15937939 DOI: 10.1002/ajmg.a.30777] [Citation(s) in RCA: 84] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Patients with Prader-Willi syndrome (PWS) are recognized to have a tendency of sudden, unexpected death (SED), but its exact cause is unknown because of paucity of such case reports. Since growth hormone (GH) treatment was applied to PWS patients worldwide, several cases of death have been reported. However, whether the therapy is directly related to their SED remains unknown, too. We collected 13 deceased PWS patients (Group A, aged 9 months to 34 years) who had never received GH therapy, and seven deceased patients (Group B, all boys aged 0.7-15 years) having received the therapy from the registration in PWS-patient-support associations and from the literature, respectively. We then compared the cause of SED between the two groups. Irrespective of GH therapy, SED of infants under age 1 year was associated with milk aspiration or hypothalamic dysregulation of respiration, while SED of patients in early childhood or adolescence occurred at sleeping in association with preceding viral infections. In contrast, SED of four adult (>20 years of age) patients who never received GH therapy was associated with complications, such as leg cellulites and pulmonary embolism, secondary to massive obesity and diabetes mellitus (DM). Two Group-B patients (aged 14 and 20 years) without any obesity-related or diabetes-related complications died of drowning in a bath tub, and their drowning death could be related to poor respiratory control. These findings indicated that the cause of SED is not essentially different between PWS patients with and without GH treatment. Deceased PWS patients may have had underlying respiratory dysregulation and hypothalamic dysfunction, and GH therapy might have led to certain obstructive respiratory disturbances that exacerbated the respiratory conditions. This will call clinicians' attention when using GH in PWS patients, for example, careful determination of the dose of GH and careful monitoring of patient's respiratory conditions, especially in male obese patients with respiratory problems.
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Affiliation(s)
- T Nagai
- Department of Pediatrics, Dokkyo University School of Medicine Koshigaya Hospital, Saitama, Japan.
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27
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Miyake N, Visser R, Kinoshita A, Yoshiura KI, Niikawa N, Kondoh T, Matsumoto N, Harada N, Okamoto N, Sonoda T, Naritomi K, Kaname T, Chinen Y, Tonoki H, Kurosawa K. Four novelNIPBL mutations in Japanese patients with Cornelia de Lange syndrome. Am J Med Genet A 2005; 135:103-5. [PMID: 15723327 DOI: 10.1002/ajmg.a.30637] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Miyake N, Tonoki H, Gallego M, Harada N, Shimokawa O, Yoshiura KI, Ohta T, Kishino T, Niikawa N, Matsumoto N. Phenotype-genotype correlation in two patients with 12q proximal deletion. J Hum Genet 2004; 49:282-4. [PMID: 15362574 DOI: 10.1007/s10038-004-0144-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Proximal 12q deletion is a very rare chromosomal abnormality. Only five cases have been reported. Among the five, an Argentinian patient (Case 1) with del(12)(q11q13) and a Japanese patient (Case 2) with del(12)(q12q13.12) were analyzed because they shared several clinical features: growth and psychomotor developmental delay; strabismus; broad and short nose with anteverted nostrils; high, arched palate; large, lowset ears; widely set nipples; short fingers and clinodactyly of fifth fingers; and abnormality of the second and third toes. To clarify the correlation between the deleted genes and their phenotypes, we delimited their deleted regions by fluorescence in situ hybridization (FISH). The overlapped region in the deletions spanned 6.2 Mb where at least 15 genes were predicted to localize on the current human genome database. Among them, YAF2 and AMIGO2 were the most plausible candidates to affect growth and psychomotor retardation, respectively, in both cases. Regarding unique symptoms in each case, congenital fibrosis of the extraocular muscles found only in Case 1 may be caused by KIF21A deletion and hearing loss and cleft palate in Case 2 by COL2A1 defect.
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Affiliation(s)
- Noriko Miyake
- Department of Human Genetics, Nagasaki University Graduate School of Biomedical Sciences, 1-12-4 Sakamoto, Nagasaki 852-8523, Japan
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Tonoki H. [Megalencephaly]. Ryoikibetsu Shokogun Shirizu 2002:160-1. [PMID: 11528677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
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30
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Tonoki H. [Meier-Gorlin syndrome (ear-patella-short stature syndrome)]. Ryoikibetsu Shokogun Shirizu 2002:164. [PMID: 11528679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
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31
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Tonoki H. [Tonoki syndrome]. Ryoikibetsu Shokogun Shirizu 2002:734-5. [PMID: 11528994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
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32
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Tonoki H. [Maxillonasal dysplasia, Binder type]. Ryoikibetsu Shokogun Shirizu 2002:152. [PMID: 11528670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
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33
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Tonoki H. [Pseudoachondroplastic dysplasia]. Ryoikibetsu Shokogun Shirizu 2002:541. [PMID: 11528882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
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34
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Tonoki H. [Pterygia-dysmorphic facies-short stature-mental retardation]. Ryoikibetsu Shokogun Shirizu 2002:545. [PMID: 11528885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
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35
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Tonoki H. [Meckel syndrome]. Ryoikibetsu Shokogun Shirizu 2002:155-6. [PMID: 11528673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
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36
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Tonoki H. [Megacystis-megaduodenum syndrome]. Ryoikibetsu Shokogun Shirizu 2002:157-8. [PMID: 11528674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
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37
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Tonoki H. [Meningomyelocele]. Ryoikibetsu Shokogun Shirizu 2002:168-9. [PMID: 11528683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
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38
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Tonoki H. [Thanatophoric dysplasia]. Ryoikibetsu Shokogun Shirizu 2002:720-1. [PMID: 11528986] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
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39
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Tonoki H. [Meningocele]. Ryoikibetsu Shokogun Shirizu 2002:166. [PMID: 11528681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
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40
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Tonoki H. [Meningocele-conotruncal heart defect, Korsakoff's type]. Ryoikibetsu Shokogun Shirizu 2002:167. [PMID: 11528682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
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41
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Tonoki H. [Meckel diverticulum]. Ryoikibetsu Shokogun Shirizu 2002:154. [PMID: 11528672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
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42
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Tonoki H. [Megalocornea-mental retardation syndrome]. Ryoikibetsu Shokogun Shirizu 2002:162-3. [PMID: 11528678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
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43
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Tonoki H. [Melorheostosis]. Ryoikibetsu Shokogun Shirizu 2002:165. [PMID: 11528680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
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44
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Tonoki H. [Proteus syndrome]. Ryoikibetsu Shokogun Shirizu 2002:537-8. [PMID: 11528880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
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Kobayashi S, Uemura H, Kohda T, Nagai T, Chinen Y, Naritomi K, Kinoshita EI, Ohashi H, Imaizumi K, Tsukahara M, Sugio Y, Tonoki H, Kishino T, Tanaka T, Yamada M, Tsutsumi O, Niikawa N, Kaneko-Ishino T, Ishino F. No evidence of PEG1/MEST gene mutations in Silver-Russell syndrome patients. Am J Med Genet 2001; 104:225-31. [PMID: 11754049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/17/2023]
Abstract
Silver-Russell syndrome (SRS) is characterized by prenatal and postnatal growth retardation with morphologic anomalies. Maternal uniparental disomy 7 has been reported in some SRS patients. PEG1/MEST is an imprinted gene on chromosome 7q32 that is expressed only from the paternal allele and is a candidate gene for SRS. To clarify its biological function and role in SRS, we screened PEG1/MEST abnormalities in 15 SRS patients from various standpoints. In the lymphocytes of SRS patients, no aberrant expression patterns of two splice variants (alpha and beta) of PEG1/MEST were detected when they were compared with normal samples. Direct sequence analysis failed to detect any mutations in the PEG1/MEST alpha coding region, and there were no significant mutations in the 5'-flanking upstream region containing the predicted promoter and the highly conserved human/mouse genomic region. Differential methylation patterns of the CpG island for PEG1/MEST alpha were normally maintained and resulted in the same pattern as in the normal control, suggesting that there was no loss of imprinting. These findings suggest that PEG1/MEST can be excluded as a major determinant of SRS.
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Affiliation(s)
- S Kobayashi
- Gene Research Center, Tokyo Institute of Technology, 4259 Nagatsuka-cho, Midori-ku, Yokohama 226-8501, Japan
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Tonoki H. [Cancer, colorectal]. Ryoikibetsu Shokogun Shirizu 2001:318-9. [PMID: 11462456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/20/2023]
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47
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Tonoki H. [Cancer, breast, familial]. Ryoikibetsu Shokogun Shirizu 2001:316-7. [PMID: 11462455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/20/2023]
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Abstract
Melanoma cells rarely contain mutant p53 and hardly undergo apoptosis by wild-type p53. By using recombinant adenoviruses that express p53 or p53-related p51A or p73beta, we tested their apoptotic activities in melanoma cells. Yeast functional assay revealed a mutation of p53 at the 258th codon (AAA [K] instead of GAA [E]) in one cell line, 70W, out of six human melanoma cell lines analyzed (SK-mel-23, SK-mel-24, SK-mel-118, TXM18, 70W, and G361). Adenovirus-mediated transfer of p53, p51A, and/or p73beta suppressed growth and induced apoptotic DNA fragmentation of SK-mel-23, SK-mel-118, and 70W cells. Interestingly, p51A induced DNA fragmentation in them more significantly than p53 and p73beta. By Western blotting we analyzed levels of apoptosis-related proteins in cells expressing p53 family members. Apoptotic Bax and antiapoptotic Bcl-2 were not significantly upregulated or downregulated by expression of p53, p51A, or p73beta, except for p53-expressing 70W cells, which contained a larger amount of Bax protein than LacZ-expressing cells. Activation of caspase-3 was demonstrated only in p51A-expressing SK-mel-118 cells. We show here that p51A can mediate apoptosis in both wild-type and mutant p53-expressing melanoma cells more significantly than p53 and p73beta. It is also suggested that in melanoma cells (i) cellular target protein(s) other than Bcl-2 and Bax might be responsible for induction of p51A-mediated apoptosis and (ii) caspase-3 is not always involved in the apoptosis by p53 family members.
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Affiliation(s)
- T Yamashita
- Department of Dermatology, Cancer Research Institute, Sapporo Medical University School of Medicine, Sapporo, Japan.
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Tonoki H. [Camptomelic dysplasia]. Ryoikibetsu Shokogun Shirizu 2001:306-7. [PMID: 11057239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Affiliation(s)
- H Tonoki
- Department of Pediatrics, Chitose Municipal Hospital
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Fujiwara F, Tonoki H. [Achondroplasia, hypochondroplasia]. Ryoikibetsu Shokogun Shirizu 2001:301-3. [PMID: 11057237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Affiliation(s)
- F Fujiwara
- Department of Pediatrics, Chitose Municipal Hospital
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