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Ruangchan C, Ngamphiw C, Krasaesin A, Intarak N, Tongsima S, Kaewgahya M, Kawasaki K, Mahawong P, Paripurana K, Sookawat B, Jatooratthawichot P, Cox TC, Ohazama A, Ketudat Cairns JR, Porntaveetus T, Kantaputra P. Genetic Variants in KCTD1 Are Associated with Isolated Dental Anomalies. Int J Mol Sci 2024; 25:5179. [PMID: 38791218 PMCID: PMC11121487 DOI: 10.3390/ijms25105179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Revised: 04/29/2024] [Accepted: 05/07/2024] [Indexed: 05/26/2024] Open
Abstract
KCTD1 plays crucial roles in regulating both the SHH and WNT/β-catenin signaling pathways, which are essential for tooth development. The objective of this study was to investigate if genetic variants in KCTD1 might also be associated with isolated dental anomalies. We clinically and radiographically investigated 362 patients affected with isolated dental anomalies. Whole exome sequencing identified two unrelated families with rare (p.Arg241Gln) or novel (p.Pro243Ser) variants in KCTD1. The variants segregated with the dental anomalies in all nine patients from the two families. Clinical findings of the patients included taurodontism, unseparated roots, long roots, tooth agenesis, a supernumerary tooth, torus palatinus, and torus mandibularis. The role of Kctd1 in root development is supported by our immunohistochemical study showing high expression of Kctd1 in Hertwig epithelial root sheath. The KCTD1 variants in our patients are the first variants found to be located in the C-terminal domain, which might disrupt protein-protein interactions and/or SUMOylation and subsequently result in aberrant WNT-SHH-BMP signaling and isolated dental anomalies. Functional studies on the p.Arg241Gln variant are consistent with an impact on β-catenin levels and canonical WNT signaling. This is the first report of the association of KCTD1 variants and isolated dental anomalies.
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Affiliation(s)
- Cholaporn Ruangchan
- Center of Excellence in Medical Genetics Research, Chiang Mai University, Chiang Mai 50200, Thailand; (C.R.); (M.K.)
- Division of Pediatric Dentistry, Department of Orthodontics and Pediatric Dentistry, Faculty of Dentistry, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Chumpol Ngamphiw
- National Biobank of Thailand, National Center for Genetic Engineering and Biotechnology (BIOTEC), Pathum Thani 12120, Thailand; (C.N.); (S.T.)
| | - Annop Krasaesin
- Center of Excellence in Genomics and Precision Dentistry, Department of Physiology, Faculty of Dentistry, Chulalongkorn University, Bangkok 10330, Thailand; (A.K.); (N.I.)
| | - Narin Intarak
- Center of Excellence in Genomics and Precision Dentistry, Department of Physiology, Faculty of Dentistry, Chulalongkorn University, Bangkok 10330, Thailand; (A.K.); (N.I.)
| | - Sissades Tongsima
- National Biobank of Thailand, National Center for Genetic Engineering and Biotechnology (BIOTEC), Pathum Thani 12120, Thailand; (C.N.); (S.T.)
| | - Massupa Kaewgahya
- Center of Excellence in Medical Genetics Research, Chiang Mai University, Chiang Mai 50200, Thailand; (C.R.); (M.K.)
| | - Katsushige Kawasaki
- Division of Oral Anatomy, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University, Niigata 950-2180, Japan; (K.K.); (A.O.)
| | - Phitsanu Mahawong
- Division of Urology, Department of Surgery, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand;
| | - Kullaya Paripurana
- Dental Department, Suanphueng Hospital, Ratchaburi 70180, Thailand; (K.P.); (B.S.)
| | - Bussaneeya Sookawat
- Dental Department, Suanphueng Hospital, Ratchaburi 70180, Thailand; (K.P.); (B.S.)
| | - Peeranat Jatooratthawichot
- School of Chemistry, Institute of Science, and Center for Biomolecular Structure, Function and Application, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand; (P.J.); (J.R.K.C.)
| | - Timothy C. Cox
- Departments of Oral & Craniofacial Sciences, School of Dentistry, and Pediatrics, School of Medicine, University of Missouri-Kansas City, Kansas City, MO 64110, USA;
| | - Atsushi Ohazama
- Division of Oral Anatomy, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University, Niigata 950-2180, Japan; (K.K.); (A.O.)
| | - James R. Ketudat Cairns
- School of Chemistry, Institute of Science, and Center for Biomolecular Structure, Function and Application, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand; (P.J.); (J.R.K.C.)
| | - Thantrira Porntaveetus
- Center of Excellence in Genomics and Precision Dentistry, Department of Physiology, Faculty of Dentistry, Chulalongkorn University, Bangkok 10330, Thailand; (A.K.); (N.I.)
| | - Piranit Kantaputra
- Center of Excellence in Medical Genetics Research, Chiang Mai University, Chiang Mai 50200, Thailand; (C.R.); (M.K.)
- Division of Pediatric Dentistry, Department of Orthodontics and Pediatric Dentistry, Faculty of Dentistry, Chiang Mai University, Chiang Mai 50200, Thailand
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Ouyang H, Xie X, Xie Y, Wu D, Luo X, Wu J, Wang Y, Zhao L. Compliant, Tough, Anti-Fatigue, Self-Recovery, and Biocompatible PHEMA-Based Hydrogels for Breast Tissue Replacement Enabled by Hydrogen Bonding Enhancement and Suppressed Phase Separation. Gels 2022; 8:gels8090532. [PMID: 36135244 PMCID: PMC9498755 DOI: 10.3390/gels8090532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 08/19/2022] [Accepted: 08/23/2022] [Indexed: 11/30/2022] Open
Abstract
Although hydrogel is a promising prosthesis implantation material for breast reconstruction, there is no suitable hydrogel with proper mechanical properties and good biocompatibility. Here, we report a series of compliant and tough poly (hydroxyethyl methacrylate) (PHEMA)-based hydrogels based on hydrogen bond-reinforcing interactions and phase separation inhibition by introducing maleic acid (MA) units. As a result, the tensile strength, fracture strain, tensile modulus, and toughness are up to 420 kPa, 293.4%, 770 kPa, and 0.86 MJ/m3, respectively. Moreover, the hydrogels possess good compliance, where the compression modulus is comparable to that of the silicone breast prosthesis (~23 kPa). Meanwhile, the hydrogels have an excellent self-recovery ability and fatigue resistance: the dissipative energy and elastic modulus recover almost completely after waiting for 2 min under cyclic compression, and the maximum strength remains essentially unchanged after 1000 cyclic compressions. More importantly, in vitro cellular experiments and in vivo animal experiments demonstrate that the hydrogels have good biocompatibility and stability. The biocompatible hydrogels with breast tissue-like mechanical properties hold great potential as an alternative implant material for reconstructing breasts.
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Affiliation(s)
- Hongyan Ouyang
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China
| | - Xiangyan Xie
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China
| | - Yuanjie Xie
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China
| | - Di Wu
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China
| | - Xingqi Luo
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China
| | - Jinrong Wu
- State Key Laboratory of Polymer Materials Engineering, College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, China
| | - Yi Wang
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China
- Correspondence: (Y.W.); (L.Z.)
| | - Lijuan Zhao
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China
- Correspondence: (Y.W.); (L.Z.)
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Butler KM, Bahrambeigi V, Merrihew A, Friez MJ, Cathey SS. Scalp-Ear-Nipple syndrome: first report of a Potassium channel tetramerization domain-containing 1 in-frame insertion and review of the literature. Clin Dysmorphol 2021; 30:167-172. [PMID: 34456244 DOI: 10.1097/mcd.0000000000000387] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVES Pathogenic missense variants in the potassium channel tetramerization domain-containing 1 (KCTD1) gene are associated with autosomal dominant Scalp-Ear-Nipple syndrome (SENS), a type of ectodermal dysplasia characterized by aplasia cutis congenita of the scalp, hairless posterior scalp nodules, absent or rudimentary nipples, breast aplasia and external ear anomalies. We report a child with clinical features of an ectodermal dysplasia, including sparse hair, dysmorphic facial features, absent nipples, 2-3 toe syndactyly, mild atopic dermatitis and small cupped ears with overfolded helices. We also review the published cases of SENS with molecularly confirmed KCTD1 variants. METHODS AND RESULTS Using whole-exome sequencing, we identified a novel, de novo in-frame insertion in the broad-complex, tramtrack and bric-a-brac (BTB) domain of the KCTD1 gene. By comparing to the previously reported patients, we found that our patient's clinical features and molecular variant are consistent with a diagnosis of SENS. CONCLUSIONS This is only the 13th KCTD1 variant described and the first report of an in-frame insertion causing clinical features, expanding the mutational spectrum of KCTD1 and SENS.
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Affiliation(s)
| | - Vahid Bahrambeigi
- Graduate School of Biomedical Sciences, The University of Texas, MD Anderson Cancer Center UTHealth, Houston, Texas, USA
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