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Borelli E, Aversa S, Motta M, Cavalleri E, Cereda C, Pinelli L, Pilotta A, Risso FM. Newborn with isolated severe deficiency of cranial vault ossification: a case of cleidocranial dysplasia. Arch Dis Child Fetal Neonatal Ed 2024; 109:456. [PMID: 37433588 DOI: 10.1136/archdischild-2023-325794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Accepted: 06/27/2023] [Indexed: 07/13/2023]
Affiliation(s)
- Elena Borelli
- Neonatal Intensive Care Unit, Children's Hospital, ASST Spedali Civili di Brescia, Brescia, Italy
| | - Salvatore Aversa
- Neonatal Intensive Care Unit, Children's Hospital, ASST Spedali Civili di Brescia, Brescia, Italy
| | - Mario Motta
- Neonatal Intensive Care Unit, Children's Hospital, ASST Spedali Civili di Brescia, Brescia, Italy
| | - Elisa Cavalleri
- Neonatal Intensive Care Unit, Children's Hospital, ASST Spedali Civili di Brescia, Brescia, Italy
| | - Claudio Cereda
- Neurosurgery Unit, ASST Spedali Civili di Brescia, Brescia, Italy
| | - Lorenzo Pinelli
- Neuroradiology Unit, Department of Diagnostic Imaging, Pediatric Neuroradiology Section, ASST Spedali Civili di Brescia, Brescia, Italy
| | - Alba Pilotta
- Pediatric Clinic, Children's Hospital, ASST Spedali Civili di Brescia, Brescia, Italy
| | - Francesco Maria Risso
- Neonatal Intensive Care Unit, Children's Hospital, ASST Spedali Civili di Brescia, Brescia, Italy
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Cissé L, Yalcouyé A, Touré KO, Coulibaly Y, Maiga AB, Bamba S, Diallo D, Diarra S, Taméga A, Traoré O, Kotioumbé M, Sangaré MA, Ba HO, Simaga A, Koné FI, Samassekou O, Koné A, Guinto CO, Landouré G. A novel de novo variant in the RUNX2 gene causes cleidocranial dysplasia in a Malian girl. Clin Case Rep 2024; 12:e8551. [PMID: 38415192 PMCID: PMC10896746 DOI: 10.1002/ccr3.8551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 11/15/2023] [Accepted: 02/12/2024] [Indexed: 02/29/2024] Open
Abstract
Key Clinical Message Cleidocranial dysplasia (CCD) is a rare genetic skeletal disorder with only few cases reported in Africa, mostly based on clinical and radiological findings. We report the first case in Mali, caused by a novel de novo variant in the RUNX2 gene. Abstract Cleidocranial dysplasia (CCD) is a rare autosomal dominant skeletal dysplasia characterized by an aplastic/hypoplastic clavicles, patent sutures and fontanels, dental abnormalities and a variety of other skeletal changes. We report a novel de novo variant in the RUNX2 gene causing a severe phenotype of CCD in a Malian girl.
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Affiliation(s)
- Lassana Cissé
- Service de Neurologie, Centre Hospitalier Universitaire du Point G Bamako Mali
| | - Abdoulaye Yalcouyé
- Faculté de Médecine et d'Odontostomatologie University of Sciences, Techniques and Technology of Bamako (USTTB) Bamako Mali
| | - Kadidia Oumar Touré
- Faculté de Médecine et d'Odontostomatologie University of Sciences, Techniques and Technology of Bamako (USTTB) Bamako Mali
- Service d'Orthopédie Dento-faciale, Centre Hospitalier Universitaire-Centre National d'Odonto-Stomatologie Professeur Hamady TRAORE (CHU-CNOS Pr HT) Bamako Mali
| | - Youlouza Coulibaly
- Service d'Imagerie Médicale, Centre Hospitalier Universitaire du Point G Bamako Mali
| | - Alassane Baneye Maiga
- Faculté de Médecine et d'Odontostomatologie University of Sciences, Techniques and Technology of Bamako (USTTB) Bamako Mali
| | - Salia Bamba
- Faculté de Médecine et d'Odontostomatologie University of Sciences, Techniques and Technology of Bamako (USTTB) Bamako Mali
| | - Dramane Diallo
- University Clinical Research Center (UCRC), University of Sciences, Techniques and Technology of Bamako (USTTB) Bamako Mali
| | - Salimata Diarra
- Faculté de Médecine et d'Odontostomatologie University of Sciences, Techniques and Technology of Bamako (USTTB) Bamako Mali
- Neurogenetics Branch, NINDS, NIH Bethesda Maryland USA
| | - Abdoulaye Taméga
- Faculté de Médecine et d'Odontostomatologie University of Sciences, Techniques and Technology of Bamako (USTTB) Bamako Mali
| | - Oumou Traoré
- Faculté de Médecine et d'Odontostomatologie University of Sciences, Techniques and Technology of Bamako (USTTB) Bamako Mali
| | - Mahamadou Kotioumbé
- Faculté de Médecine et d'Odontostomatologie University of Sciences, Techniques and Technology of Bamako (USTTB) Bamako Mali
| | - Moussa Aly Sangaré
- Faculté de Médecine et d'Odontostomatologie University of Sciences, Techniques and Technology of Bamako (USTTB) Bamako Mali
| | - Hamidou Oumar Ba
- Faculté de Médecine et d'Odontostomatologie University of Sciences, Techniques and Technology of Bamako (USTTB) Bamako Mali
- Service de Cardiologie, Centre Hospitalier Universitaire Gabriel Touré Bamako Mali
| | - Assiatou Simaga
- Faculté de Médecine et d'Odontostomatologie University of Sciences, Techniques and Technology of Bamako (USTTB) Bamako Mali
- Institut d'Ophtalmologie Tropicale de l'Afrique Bamako Mali
| | - Fatogoma Issa Koné
- Faculté de Médecine et d'Odontostomatologie University of Sciences, Techniques and Technology of Bamako (USTTB) Bamako Mali
- Service d'ORL, Centre Hospitalier Universitaire Gabriel Touré Bamako Mali
| | - Oumar Samassekou
- Faculté de Médecine et d'Odontostomatologie University of Sciences, Techniques and Technology of Bamako (USTTB) Bamako Mali
| | - Amadou Koné
- Faculté de Médecine et d'Odontostomatologie University of Sciences, Techniques and Technology of Bamako (USTTB) Bamako Mali
- University Clinical Research Center (UCRC), University of Sciences, Techniques and Technology of Bamako (USTTB) Bamako Mali
| | - Cheick Oumar Guinto
- Service de Neurologie, Centre Hospitalier Universitaire du Point G Bamako Mali
- Faculté de Médecine et d'Odontostomatologie University of Sciences, Techniques and Technology of Bamako (USTTB) Bamako Mali
| | - Guida Landouré
- Service de Neurologie, Centre Hospitalier Universitaire du Point G Bamako Mali
- Faculté de Médecine et d'Odontostomatologie University of Sciences, Techniques and Technology of Bamako (USTTB) Bamako Mali
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Zhang Y, Duan X. A Novel 90-kbp Deletion of RUNX2 Associated with Cleidocranial Dysplasia. Genes (Basel) 2022; 13:1128. [PMID: 35885911 PMCID: PMC9322484 DOI: 10.3390/genes13071128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 06/18/2022] [Accepted: 06/20/2022] [Indexed: 12/02/2022] Open
Abstract
Cleidocranial dysplasia (CCD) is a rare autosomal dominant skeletal dysplasia caused by runt-related transcription factor 2 (RUNX2) mutations. In addition to the regular missense, small or large fragment deletions are the common mutation types of RUNX2. This study aimed to find the rules of deletions in RUNX2. The clinical information of one Chinese CCD family was collected. Genomic DNA was extracted for whole-exome sequencing (WES). Bioinformatics analyzed the pathogenicity of the variants. Polymerase chain reaction (PCR) and Sanger sequencing were carried out using specific primers. RT-PCR and Q-PCR were also used to detect the mRNA level of RUNX2. The CCD studies related with deletions in RUNX2 from 1999 to 2021 from HGMD and PubMed were collected and analyzed for the relationship between the phenotypes and the length of deleted fragments. The proband presented typical CCD features, including delayed closure of cranial sutures, clavicle dysplasia, abnormal teeth. WES, PCR with specific primers and Sanger sequencing revealed a novel heterozygous 90-kbp deletion in RUNX2 (NG_008020.2 g.103671~193943), which caused a substitution (p.Asn183Ile) and premature termination (p.Asp184*). In addition, the mRNA expression of RUNX2 was decreased by 75.5% in the proband. Herein, 31 types of deletions varying from 2 bp to 800 kbp or covering the whole gene of RUNX2 were compared and the significant phenotypic difference was not found among these deletions. The CCD phenotypes were related with the final effects of RUNX2 mutation instead of the length of deletion. WES has the defects in identifying large indels, and direct PCR with specific primers and Sanger sequencing could make up for the shortcoming.
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Affiliation(s)
| | - Xiaohong Duan
- State Key Laboratory of Military Stomatology, National Clinical Research Center for Oral Diseases, Shaanxi Key Laboratory of Stomatology, Department of Oral Biology, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China;
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Posterior fossa subdural hematoma in a neonate with cleidocranial dysostosis after a spontaneous vaginal delivery: a case report. Childs Nerv Syst 2021; 37:683-686. [PMID: 32504170 DOI: 10.1007/s00381-020-04689-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Accepted: 05/18/2020] [Indexed: 10/24/2022]
Abstract
BACKGROUND Cleidocranial dysostosis (CCD) is an anomaly characterized by delayed closure of the cranial sutures, midface hypoplasia, moderately short stature, hypoplastic or aplastic clavicles, dental abnormalities, and other complications. CASE PRESENTATION We report a case of posterior fossa subdural hematoma (PFSDH) after vaginal delivery in a neonate with CCD, which presented with several clinical symptoms such as apnea, vomiting, and bradycardia. Our patient, who had a family history of CCD, developed apnea and vomiting shortly after birth; PFSDH was detected by head computed tomography, and the patient recovered well following standard medical treatment. CONCLUSION The prognosis of intracranial hemorrhage in neonates with CCD is generally poor. In neonates, PFSDH occurs by the following mechanism: the distortion of the infant's cranium during delivery, by the strong force, causes elongation of the falx and angulation of the tentorium that leads to tears in the posterior fossa venous structures, which then cause bleeding into the subdural space. In CCD, the forces occurring during vaginal delivery may causeexcessive distortion of the fragile skull. An awareness of CCD is hence important to avoid vaginal delivery in prenatally diagnosed CCD cases with a family history of CCD.
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Arumugam B, Balagangadharan K, Selvamurugan N. Syringic acid, a phenolic acid, promotes osteoblast differentiation by stimulation of Runx2 expression and targeting of Smad7 by miR-21 in mouse mesenchymal stem cells. J Cell Commun Signal 2018; 12:561-573. [PMID: 29350343 PMCID: PMC6039342 DOI: 10.1007/s12079-018-0449-3] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Accepted: 01/10/2018] [Indexed: 01/10/2023] Open
Abstract
Syringic acid (SA), a phenolic acid, has been used in Chinese and Indian medicine for treating diabetes but its role in osteogenesis has not yet been investigated. In the present study, at the molecular and cellular levels, we evaluated the effects of SA on osteoblast differentiation. At the cellular level, there was increased alkaline phosphatase (ALP) activity and calcium deposition by SA treatment in mouse mesenchymal stem cells (mMSCs). At the molecular level, SA treatment of these cells stimulated expression of Runx2, a bone transcription factor, and of osteoblast differentiation marker genes such as ALP, type I collagen, and osteocalcin. It is known that Smad7 is an antagonist of TGF-β/Smad signaling and is a negative regulator of Runx2. microRNAs (miRNAs) play a key role in the regulation of osteogenesis genes at the post-transcriptional level and studies have reported that Smad7 is one of the target genes of miR-21. We found that there was down regulation of Smad7 and up regulation of miR-21 in SA-treated mMSCs. We further identified that the 3'-untranslated region (UTR) of Smad7 was directly targeted by miR-21 in these cells. Thus, our results suggested that SA promotes osteoblast differentiation via increased expression of Runx2 by miR-21-mediated down regulation of Smad7. Hence, SA may have potential in orthopedic applications.
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Affiliation(s)
- B Arumugam
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, 603 203, India
| | - K Balagangadharan
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, 603 203, India
| | - N Selvamurugan
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, 603 203, India.
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Delayed Eruption of Permanent Dentition and Maxillary Contraction in Patients with Cleidocranial Dysplasia: Review and Report of a Family. Int J Dent 2018; 2018:6591414. [PMID: 30123273 PMCID: PMC6079435 DOI: 10.1155/2018/6591414] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Accepted: 05/20/2018] [Indexed: 11/18/2022] Open
Abstract
Introduction Cleidocranial dysplasia (CCD) is an inherited disease caused by mutations in the RUNX2 gene on chromosome 6p21. This pathology, autosomal dominant or caused by a spontaneous genetic mutation, is present in one in one million individuals, with complete penetrance and widely variable expressivity. Aim To identify the incidence of these clinical findings in the report of the literature by means of PubMed interface from 2002 to 2015, with the related keywords. The report of local patients presents a clinical example, related to the therapeutic approach. Results and Discussions The PubMed research resulted in 122 articles. All the typical signs were reported in all presented cases. The maxilla was hypoplastic in 94% of the patients. Missing of permanent teeth was found in two cases: one case presented a class II jaw relationship, instead of class III malocclusion. Similar findings were present in our cohort. Conclusion CCD is challenging for both the dental team and the patient. The treatment requires a multidisciplinary approach. Further studies are required to better understand the cause of this disease. According to this review, a multistep approach enhances the possibilities to achieve the recovery of the most possible number of teeth, as such to obtain a good occlusion and a better aesthetic.
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Puvabanditsin S, February M, Mayne J, McConnell J, Mehta R. Cleidocranial Dysplasia with 6p21.1-p12.3 Microdeletion: A Case Report and Literature Review. Cleft Palate Craniofac J 2018; 55:891-894. [PMID: 27500518 DOI: 10.1597/15-306] [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] [Indexed: 11/22/2022] Open
Abstract
OBJECTIVE The aim of this article is to publish a literature review and report on a new case of cleidocranial dysplasia syndrome with 6p21.1-p12.3 microdeletion. DESIGN A PubMed search using "cleidocranial dysplasia syndrome (CCD)" or "6p microdeletion" was performed. Articles with information relevant to our case were obtained for review. A new case of cleidocranial dysplasia syndrome is presented to describe and discuss clinical manifestations, pathogenesis, clinical progression of cleidocranial dysplasia syndrome, and management. RESULTS There were 22 articles with reports of cleidocranial dysplasia syndrome or 6p microdeletion. Cleidocranial dysplasia syndrome, a rare genetic disorder, documented to have an autosomal dominant inheritance pattern and caused by caused by mutations of the transcription factor RUNX2. RUNX2 has been mapped to chromosome 6p21. The anomalies in cleidocranial dysplasia syndrome can involve not only the clavicle and skull but the entire skeleton because the membranous as well as endochondral bone formation may be affected. Upon follow-up, our patient was found to have global developmental delay. CONCLUSIONS We report a near-term neonate with characteristic features of cleidocranial dysplasia and a 6p21.1-p12.3 microdeletion. Cleidocranial dysplasia syndrome is a rare autosomal dominant skeletal dysplasia. The mutation of the RUNX2 gene results in cleidocranial dysplasia syndrome.
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Broeks I, Veenstra-Knol IE, Kamps AWA. A rare presentation of cleidocranial dysplasia. BMJ Case Rep 2012; 2012:bcr-03-2012-6101. [PMID: 22878985 DOI: 10.1136/bcr-03-2012-6101] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Cleidocranial dysplasia (CCD) is a rare skeletal dysplasia characterised by a defect in ossification. Frequently reported clinical findings are delayed closure of the fontanelles and cranial sutures, hypoplastic clavicles, dental abnormalities and short stature. Our patient suffered from complete absence of ossification of both parietal bones. This is a rare and severe defect that has been reported in only a few patients with CCD.
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Affiliation(s)
- Ilse Broeks
- Department of Paediatrics, Medical Center Leeuwarden, Leeuwarden, The Netherlands
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Xuan D, Sun X, Yan Y, Xie B, Xu P, Zhang J. Effect of cleidocranial dysplasia-related novel mutation of RUNX2 on characteristics of dental pulp cells and tooth development. J Cell Biochem 2010; 111:1473-81. [DOI: 10.1002/jcb.22875] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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