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Terhune E, Heyn P, Piper C, Wethey C, Monley A, Cuevas M, Hadley Miller N. Association between genetic polymorphisms and risk of adolescent idiopathic scoliosis in case-control studies: a systematic review. J Med Genet 2024; 61:196-206. [PMID: 37696603 DOI: 10.1136/jmg-2022-108993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 07/09/2023] [Indexed: 09/13/2023]
Abstract
BACKGROUND Adolescent idiopathic scoliosis (AIS) is a structural lateral spinal curvature of ≥10° with rotation. Approximately 2%-3% of children across populations are affected with AIS, and this condition is responsible for ~$3 billion in costs within the USA. Although AIS is believed to have a strong genetic contribution, clinical translation of identified genetic variants has stalled. METHODS The databases MEDLINE (via PubMed), Embase, Google Scholar and Ovid MEDLINE were searched and limited to articles in English. Title and abstract, full-text and data extraction screening was conducted through Covidence, followed by data transfer to a custom REDCap database. Studies containing variant-level data using genome-wide methodology as well as validation studies of genome-wide methods were considered. Quality assessment was conducted using Q-Genie. RESULTS 33 studies were included, including 9 genome-wide association studies, 4 whole exome sequencing and 20 validation studies. Combined, these studies included data from >35,000 cases and >67,000 controls, not including validation cohorts. Additionally, results from six meta-analyses containing novel cohorts were also reported. All included study cohorts were from populations of primarily East Asian or Caucasian descent. Quality assessment found that overall study quality was high and control group selection was moderate. The highest number of reported associations were in single nucleotide polymorphisms (SNPs) in or near LBX1, LBX1-AS1, GPR126/ADGRG6 or BNC2. CONCLUSION AIS risk may be influenced by specific SNPs, particularly those in/near LBX1 and GPR126. Translatability of study findings is unknown due to an underrepresentation of most ethnic groups as well as few identified genome-wide studies. Further studies may benefit from increased cohort diversity and thorough evaluation of control cohort groups.
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Affiliation(s)
- Elizabeth Terhune
- Department of Orthopedics, University of Colorado Denver-Anschutz Medical Campus, Aurora, Colorado, USA
| | - Patricia Heyn
- Department of Orthopedics, University of Colorado Denver-Anschutz Medical Campus, Aurora, Colorado, USA
| | - Christi Piper
- Department of Orthopedics, University of Colorado Denver-Anschutz Medical Campus, Aurora, Colorado, USA
| | - Cambria Wethey
- Department of Orthopedics, University of Colorado Denver-Anschutz Medical Campus, Aurora, Colorado, USA
| | - Anna Monley
- Department of Orthopedics, University of Colorado Denver-Anschutz Medical Campus, Aurora, Colorado, USA
| | - Melissa Cuevas
- Department of Orthopedics, University of Colorado Denver-Anschutz Medical Campus, Aurora, Colorado, USA
| | - Nancy Hadley Miller
- Department of Orthopedics, University of Colorado Denver-Anschutz Medical Campus, Aurora, Colorado, USA
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Jiang X, Liu F, Zhang M, Hu W, Zhao Y, Xia B, Xu K. Advances in genetic factors of adolescent idiopathic scoliosis: a bibliometric analysis. Front Pediatr 2024; 11:1301137. [PMID: 38322243 PMCID: PMC10845672 DOI: 10.3389/fped.2023.1301137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Accepted: 12/11/2023] [Indexed: 02/08/2024] Open
Abstract
Objective This study offers a bibliometric analysis of the current situation, hotspots, and cutting-edge domains of genetic factors of adolescent idiopathic scoliosis (AIS). Methods All publications related to genetic factors of AIS from January 1, 1992, to February 28, 2023, were searched from the Web of Science. CiteSpace software was employed for bibliometric analysis, collecting information about countries, institutions, authors, journals, and keywords of each article. Results A cumulative number of 308 articles have been ascertained. Since 2006, publications relating to genetic factors of AIS have significantly increased. China leads in both productivity and influence in this area, with the Chinese Academy of Medical Sciences being the most productive institution. The most prolific scholars in this field are Y. Qiu and Z. Z. Zhu. The publications that contributed the most were from Spine and European Spine Journal. The most prominent keywords in the genetic factors of AIS were "fibrillin gene", "menarche", "calmodulin", "estrogen receptor gene", "linkage analysis", "disc degeneration", "bone mineral density", "melatonin signaling dysfunction", "collagen gene", "mesenchymal stem cell", "LBX1", "promoter polymorphism", "Bone formation", "cerebrospinal fluid flow" and "extracellular matrix". Conclusion This analysis provides the frontiers and trends of genetic factors in AIS, including relevant research, partners, institutions and countries.
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Affiliation(s)
| | - Fuyun Liu
- Department of Orthopedics, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China
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De Salvatore S, Ruzzini L, Longo UG, Marino M, Greco A, Piergentili I, Costici PF, Denaro V. Exploring the association between specific genes and the onset of idiopathic scoliosis: a systematic review. BMC Med Genomics 2022; 15:115. [PMID: 35590413 PMCID: PMC9118580 DOI: 10.1186/s12920-022-01272-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 05/09/2022] [Indexed: 11/30/2022] Open
Abstract
Background Idiopathic Scoliosis (IS) is the most common spinal deformity in adolescents, accounting for 80% of all spinal deformities. However, the etiology remains uncertain in most cases, being identified as Adolescent Idiopathic Scoliosis (AIS). IS treatments range from observation and sport to bracing or surgery. Several risk factors including sex and familiarity, have been linked with IS. Although there are still many uncertainties regarding the cause of this pathology, several studies report a greater incidence of the defect in families in which at least one other first degree relative is affected. This study systematically reviews the available literature to identify the most significant genes or variants related to the development and onset of IS. Methods The research question was formulated using a PIOS approach on the following databases: Medline, Embase, Cinahl, Scopus, Web of Science and Google Scholar. The search was performed from July to August 2021, and articles from the inception of the database to August 2021 were searched. Results 24 of the 919 initially identified studies were included in the present review. The 24 included studies observed a total of 16,316 cases and 81,567 controls. All the considered studies stated either the affected gene and/or specific SNPs. CHD7, SH2B1, ESR, CALM1, LBX1, MATN1, CHL1, FBN1 and FBN2 genes were associated with IS development. Conclusions Although association can be found in some candidate genes the field of research regarding genetic association with the onset of IS still requires more information.
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Affiliation(s)
- Sergio De Salvatore
- Research Unit of Orthopaedic and Trauma Surgery, Fondazione Policlinico Universitario Campus Bio-Medico, Via Alvaro del Portillo, 200, 00128, Rome, Italy.,Research Unit of Orthopaedic and Trauma Surgery, Department of Medicine and Surgery, Università Campus Bio-Medico Di Roma, Via Alvaro del Portillo, 21, 00128, Rome, Italy
| | - Laura Ruzzini
- Department of Orthopedics, Children's Hospital Bambino Gesù, 00165, Palidoro, Rome, Italy
| | - Umile Giuseppe Longo
- Research Unit of Orthopaedic and Trauma Surgery, Fondazione Policlinico Universitario Campus Bio-Medico, Via Alvaro del Portillo, 200, 00128, Rome, Italy. .,Research Unit of Orthopaedic and Trauma Surgery, Department of Medicine and Surgery, Università Campus Bio-Medico Di Roma, Via Alvaro del Portillo, 21, 00128, Rome, Italy.
| | - Martina Marino
- Research Unit of Orthopaedic and Trauma Surgery, Fondazione Policlinico Universitario Campus Bio-Medico, Via Alvaro del Portillo, 200, 00128, Rome, Italy.,Research Unit of Orthopaedic and Trauma Surgery, Department of Medicine and Surgery, Università Campus Bio-Medico Di Roma, Via Alvaro del Portillo, 21, 00128, Rome, Italy
| | - Alessandra Greco
- Research Unit of Orthopaedic and Trauma Surgery, Fondazione Policlinico Universitario Campus Bio-Medico, Via Alvaro del Portillo, 200, 00128, Rome, Italy.,Research Unit of Orthopaedic and Trauma Surgery, Department of Medicine and Surgery, Università Campus Bio-Medico Di Roma, Via Alvaro del Portillo, 21, 00128, Rome, Italy
| | - Ilaria Piergentili
- Research Unit of Orthopaedic and Trauma Surgery, Fondazione Policlinico Universitario Campus Bio-Medico, Via Alvaro del Portillo, 200, 00128, Rome, Italy.,Research Unit of Orthopaedic and Trauma Surgery, Department of Medicine and Surgery, Università Campus Bio-Medico Di Roma, Via Alvaro del Portillo, 21, 00128, Rome, Italy
| | - Pier Francesco Costici
- Department of Orthopedics, Children's Hospital Bambino Gesù, 00165, Palidoro, Rome, Italy
| | - Vincenzo Denaro
- Research Unit of Orthopaedic and Trauma Surgery, Fondazione Policlinico Universitario Campus Bio-Medico, Via Alvaro del Portillo, 200, 00128, Rome, Italy.,Research Unit of Orthopaedic and Trauma Surgery, Department of Medicine and Surgery, Università Campus Bio-Medico Di Roma, Via Alvaro del Portillo, 21, 00128, Rome, Italy
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Hermann ER, Chambers E, Davis DN, Montgomery MR, Lin D, Chowanadisai W. Brain Magnetic Resonance Imaging Phenome-Wide Association Study With Metal Transporter Gene SLC39A8. Front Genet 2021; 12:647946. [PMID: 33790950 PMCID: PMC8005600 DOI: 10.3389/fgene.2021.647946] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Accepted: 02/22/2021] [Indexed: 12/16/2022] Open
Abstract
The SLC39A8 gene encodes a divalent metal transporter, ZIP8. SLC39A8 is associated with pleiotropic effects across multiple tissues, including the brain. We determine the different brain magnetic resonance imaging (MRI) phenotypes associated with SLC39A8. We used a phenome-wide association study approach followed by joint and conditional association analysis. Using the summary statistics datasets from a brain MRI genome-wide association study on adult United Kingdom (UK) Biobank participants, we systematically selected all brain MRI phenotypes associated with single-nucleotide polymorphisms (SNPs) within 500 kb of the SLC39A8 genetic locus. For all significant brain MRI phenotypes, we used GCTA-COJO to determine the number of independent association signals and identify index SNPs for each brain MRI phenotype. Linkage equilibrium for brain phenotypes with multiple independent signals was confirmed by LDpair. We identified 24 brain MRI phenotypes that vary due to MRI type and brain region and contain a SNP associated with the SLC39A8 locus. Missense ZIP8 polymorphism rs13107325 was associated with 22 brain MRI phenotypes. Rare ZIP8 variants present in a published UK Biobank dataset are associated with 6 brain MRI phenotypes also linked to rs13107325. Among the 24 datasets, an additional 4 association signals were identified by GCTA-COJO and confirmed to be in linkage equilibrium with rs13107325 using LDpair. These additional association signals represent new probable causative SNPs in addition to rs13107325. This study provides leads into how genetic variation in SLC39A8, a trace mineral transport gene, is linked to brain structure differences and may affect brain development and nervous system function.
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Affiliation(s)
- Evan R Hermann
- Department of Nutritional Sciences, Oklahoma State University, Stillwater, OK, United States
| | - Emily Chambers
- Department of Nutritional Sciences, Oklahoma State University, Stillwater, OK, United States
| | - Danielle N Davis
- Department of Nutritional Sciences, Oklahoma State University, Stillwater, OK, United States
| | - McKale R Montgomery
- Department of Nutritional Sciences, Oklahoma State University, Stillwater, OK, United States
| | - Dingbo Lin
- Department of Nutritional Sciences, Oklahoma State University, Stillwater, OK, United States
| | - Winyoo Chowanadisai
- Department of Nutritional Sciences, Oklahoma State University, Stillwater, OK, United States
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Novel Mutations in UTS2R are Associated with Adolescent Idiopathic Scoliosis in the Chinese Population. Spine (Phila Pa 1976) 2021; 46:E288-E293. [PMID: 33156271 DOI: 10.1097/brs.0000000000003786] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN A case-control study. OBJECTIVES To investigate the association of urotensin II (UTS2) signals with the susceptibility of adolescent idiopathic scoliosis (AIS) in the Chinese Han population. SUMMARY OF BACKGROUND DATA Dysregulated UTS2 signals induced by impaired cerebrospinal fluid flow have been implicated in the development of idiopathic scoliosis through studies on zebrafish. Furthermore, mutations in urotensin II receptor (UTS2R) were reported to cause severe scoliosis in zebrafish. In spite of the evidence presented in animal models, there is still a lack of knowledge concerning the role of UTS2 signaling related genes in AIS. METHODS In the discovery stage, exons of UTS2, UTS2R, and UTS2D were sequenced for 200 AIS patients and 200 healthy controls. Newly identified mutations were further genotyped in another independent cohort of 1000 AIS patients and 1000 controls by allelic-specific multiple ligase detection reactions. Gene expression analysis was performed in 36 AIS patients and 36 age-matched congenital scoliosis patients. The Chi-square test was used to compare the genotyping data between the groups. Gene expression analysis was compared with the Student t test. RESULTS Association between two novel mutations (rs11654140, c.51T > C; rs568196624, c.1146C > G) and the development of AIS was identified. Allele C of rs11654140 and allele G of rs568196624 were significantly associated with the risk of AIS (1.5% vs. 0.5%, odds ratio = 3.02, P = 0.01 for rs11654140; 1.41% vs. 0.58%, odds ratio = 2.29, P = 0.04 for rs568196624). The mRNA expression of UTS2R in the AIS group was significantly higher as compared with that in the control group (0.059 ± 0.015 vs. 0.035 ± 0.013, P < 0.01). CONCLUSIONS Rare mutations in UTS2R were significantly associated with AIS. Expression of UTS2R was significantly increased in AIS patients. The role of UTS2 signaling in the development of AIS is worthy of further investigation.Level of Evidence: N/A.
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