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Vlădăreanu L, Iliescu MG, Andronache IT, Danteș E. Incidence and Importance of Peripheral Vestibular Dysfunction in Adolescent Idiopathic Scoliosis. CHILDREN (BASEL, SWITZERLAND) 2024; 11:723. [PMID: 38929302 PMCID: PMC11201755 DOI: 10.3390/children11060723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2024] [Revised: 06/05/2024] [Accepted: 06/12/2024] [Indexed: 06/28/2024]
Abstract
Adolescent idiopathic scoliosis (AIS) is a common form of scoliosis. As the name suggests, etiopathogenesis is not clearly defined, so treatment is still anchored in the musculoskeletal theory and correction/prevention of high Cobb angle values. This study aimed to determine whether there is any connection between developing scoliotic curvature and a positive history of motion sickness as a symptom of a peripheral vestibular dysfunction/deficit, and if vestibular rehabilitation exercises could be integrated into the treatment plan. The study was conducted over 12 months on a selected population of 159 patients to evaluate or treat scoliotic curvatures in a private clinic. The collected data were analyzed using IBM SPSS Statistics 25 and illustrated using Microsoft Office Excel/Word 2021. Patients with peripheral vestibular dysfunction had significantly higher Cobb angle values when compared to patients with a negative result in an instrumental test for peripheral vestibular dysfunction. Motion sickness was considerably more associated with peripheral vestibular dysfunction, and a positive Fukuda stepping test was associated with a positive history of motion sickness. Adolescent idiopathic scoliosis with higher Cobb angles is related to positive motion sickness history as part of peripheral vestibular dysfunction. Conservative treatment for scoliosis could incorporate sensory integration techniques, and a positive history of motion sickness could be an indicator of a higher risk of progression in adolescent idiopathic scoliosis.
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Affiliation(s)
- Liliana Vlădăreanu
- Doctoral School of Medicine, “Ovidius” University of Constanta, 1 University Alley, 900470 Constanta, Romania; (L.V.); (I.T.A.); (E.D.)
- Rehabilitation Department, Faculty of Medicine, “Ovidius” University of Constanta, 1 University Alley, 900470 Constanta, Romania
- Pediatric Neurorehabilitation Department, Techirghiol Balneal and Rehabilitation Sanatorium, 34-41 Climescu Blvd., 906100 Techirghiol, Romania
| | - Mădălina Gabriela Iliescu
- Doctoral School of Medicine, “Ovidius” University of Constanta, 1 University Alley, 900470 Constanta, Romania; (L.V.); (I.T.A.); (E.D.)
- Rehabilitation Department, Faculty of Medicine, “Ovidius” University of Constanta, 1 University Alley, 900470 Constanta, Romania
- Pediatric Neurorehabilitation Department, Techirghiol Balneal and Rehabilitation Sanatorium, 34-41 Climescu Blvd., 906100 Techirghiol, Romania
| | - Iulia Tania Andronache
- Doctoral School of Medicine, “Ovidius” University of Constanta, 1 University Alley, 900470 Constanta, Romania; (L.V.); (I.T.A.); (E.D.)
- Department of Rheumatology, Internal Medicine Clinic, “Alexandru Gafencu” Military Emergency Hospital Constanta, Mamaia Blvd., 900527 Constanța, Romania
| | - Elena Danteș
- Doctoral School of Medicine, “Ovidius” University of Constanta, 1 University Alley, 900470 Constanta, Romania; (L.V.); (I.T.A.); (E.D.)
- Rehabilitation Department, Faculty of Medicine, “Ovidius” University of Constanta, 1 University Alley, 900470 Constanta, Romania
- Clinical Hospital of Pulmonology, 40 Sentinelei Street, 900002 Constanta, Romania
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Chang PL, Chen MJW, Hsiao PH, Lin CY, Lo YS, Tseng C, Li LY, Lai CY, Chen HT. Navigation-Assisted One-Staged Posterior Spinal Fusion Using Pedicle Screw Instrumentation in Adolescent Idiopathic Scoliosis-A Case Series. MEDICINA (KAUNAS, LITHUANIA) 2024; 60:300. [PMID: 38399587 PMCID: PMC10889939 DOI: 10.3390/medicina60020300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Revised: 02/05/2024] [Accepted: 02/07/2024] [Indexed: 02/25/2024]
Abstract
Background and Objectives: Adolescent idiopathic scoliosis (AIS) is a prevalent three-dimensional spinal disorder, with a multifactorial pathogenesis, including genetics and environmental aspects. Treatment options include non-surgical and surgical treatment. Surgical interventions demonstrate positive outcomes in terms of deformity correction, pain relief, and improvements of the cardiac and pulmonary function. Surgical complications, including excessive blood loss and neurologic deficits, are reported in 2.27-12% of cases. Navigation-assisted techniques, such as the O-arm system, have been a recent focus with enhanced precision. This study aims to evaluate the results and complications of one-stage posterior instrumentation fusion in AIS patients assisted by O-arm navigation. Materials and Methods: This retrospective study assesses 55 patients with AIS (12-28 years) who underwent one-stage posterior instrumentation correction supported by O-arm navigation from June 2016 to August 2023. We examined radiological surgical outcomes (initial correction rate, loss of correction rate, last follow-up correction rate) and complications as major outcomes. The characteristics of the patients, intraoperative blood loss, operation time, number of fusion levels, and screw density were documented. Results: Of 73 patients, 55 met the inclusion criteria. The average age was 16.67 years, with a predominance of females (78.2%). The surgical outcomes demonstrated substantial initial correction (58.88%) and sustained positive radiological impact at the last follow-up (56.56%). Perioperative complications, including major and minor, occurred in 18.18% of the cases. Two patients experienced a major complication. Blood loss (509.46 mL) and operation time (402.13 min) were comparable to the literature ranges. Trend analysis indicated improvements in operation time and blood loss over the study period. Conclusions: O-arm navigation-assisted one-stage posterior instrumentation proves reliable for AIS corrective surgery, achieving significant and sustained positive radiological outcomes, lower correction loss, reduced intraoperative blood loss, and absence of implant-related complications. Despite the challenges, our study demonstrates the efficacy and maturation of this surgical approach.
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Affiliation(s)
- Pao-Lung Chang
- Department of Education, China Medical University Hospital, China Medical University, Taichung 404, Taiwan;
| | - Michael Jian-Wen Chen
- Department of Orthopaedic Surgery, China Medical University Hospital, China Medical University, Taichung 404, Taiwan; (M.J.-W.C.); (P.-H.H.); (C.-Y.L.); (Y.-S.L.); (C.T.); (L.-Y.L.); (C.-Y.L.)
- Spine Center, China Medical University Hospital, China Medical University, Taichung 404, Taiwan
| | - Pang-Hsuan Hsiao
- Department of Orthopaedic Surgery, China Medical University Hospital, China Medical University, Taichung 404, Taiwan; (M.J.-W.C.); (P.-H.H.); (C.-Y.L.); (Y.-S.L.); (C.T.); (L.-Y.L.); (C.-Y.L.)
- Spine Center, China Medical University Hospital, China Medical University, Taichung 404, Taiwan
| | - Chia-Yu Lin
- Department of Orthopaedic Surgery, China Medical University Hospital, China Medical University, Taichung 404, Taiwan; (M.J.-W.C.); (P.-H.H.); (C.-Y.L.); (Y.-S.L.); (C.T.); (L.-Y.L.); (C.-Y.L.)
- Spine Center, China Medical University Hospital, China Medical University, Taichung 404, Taiwan
| | - Yuan-Shun Lo
- Department of Orthopaedic Surgery, China Medical University Hospital, China Medical University, Taichung 404, Taiwan; (M.J.-W.C.); (P.-H.H.); (C.-Y.L.); (Y.-S.L.); (C.T.); (L.-Y.L.); (C.-Y.L.)
- Spine Center, China Medical University Hospital, China Medical University, Taichung 404, Taiwan
- Department of Orthopedic Surgery, China Medical University Beigang Hospital, China Medical University, Yunlin County 651, Taiwan
- Graduate Institute of Precision Engineering, National Chung Hsing University, Taichung 402, Taiwan
| | - Chun Tseng
- Department of Orthopaedic Surgery, China Medical University Hospital, China Medical University, Taichung 404, Taiwan; (M.J.-W.C.); (P.-H.H.); (C.-Y.L.); (Y.-S.L.); (C.T.); (L.-Y.L.); (C.-Y.L.)
- Spine Center, China Medical University Hospital, China Medical University, Taichung 404, Taiwan
- Department of Orthopedic Surgery, China Medical University Beigang Hospital, China Medical University, Yunlin County 651, Taiwan
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung 404, Taiwan
| | - Ling-Yi Li
- Department of Orthopaedic Surgery, China Medical University Hospital, China Medical University, Taichung 404, Taiwan; (M.J.-W.C.); (P.-H.H.); (C.-Y.L.); (Y.-S.L.); (C.T.); (L.-Y.L.); (C.-Y.L.)
- Spine Center, China Medical University Hospital, China Medical University, Taichung 404, Taiwan
| | - Chien-Ying Lai
- Department of Orthopaedic Surgery, China Medical University Hospital, China Medical University, Taichung 404, Taiwan; (M.J.-W.C.); (P.-H.H.); (C.-Y.L.); (Y.-S.L.); (C.T.); (L.-Y.L.); (C.-Y.L.)
- Spine Center, China Medical University Hospital, China Medical University, Taichung 404, Taiwan
| | - Hsien-Te Chen
- Department of Orthopaedic Surgery, China Medical University Hospital, China Medical University, Taichung 404, Taiwan; (M.J.-W.C.); (P.-H.H.); (C.-Y.L.); (Y.-S.L.); (C.T.); (L.-Y.L.); (C.-Y.L.)
- Spine Center, China Medical University Hospital, China Medical University, Taichung 404, Taiwan
- Department of Sport Medicine, College of Health Care, China Medical University, Taichung 404, Taiwan
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Marie-Hardy L, Courtin T, Pascal-Moussellard H, Zakine S, Brice A. The Whole-Exome Sequencing of a Cohort of 19 Families with Adolescent Idiopathic Scoliosis (AIS): Candidate Pathways. Genes (Basel) 2023; 14:2094. [PMID: 38003035 PMCID: PMC10671325 DOI: 10.3390/genes14112094] [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: 10/17/2023] [Revised: 11/09/2023] [Accepted: 11/15/2023] [Indexed: 11/26/2023] Open
Abstract
A significant genetic involvement has been known for decades to exist in adolescent idiopathic scoliosis (AIS), a spine deformity affecting 1-3% of the world population. However, though biomechanical and endocrinological theories have emerged, no clear pathophysiological explanation has been found. Data from the whole-exome sequencing performed on 113 individuals in 19 multi-generational families with AIS have been filtered and analyzed via interaction pathways and functional category analysis (Varaft, Bingo and Panther). The subsequent list of 2566 variants has been compared to the variants already described in the literature, with an 18% match rate. The familial analysis in two families reveals mutations in the BICD2 gene, supporting the involvement of the muscular system in AIS etiology. The cellular component analysis revealed significant enrichment in myosin-related and neuronal activity-related categories. All together, these results reinforce the suspected role of the neuronal and muscular systems, highlighting the calmodulin pathway and suggesting a role of DNA-binding activities in AIS physiopathology.
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Affiliation(s)
- Laura Marie-Hardy
- Brain Institute of Paris, 43-87 bd de l’Hôpital, 75013 Paris, France
| | - Thomas Courtin
- Brain Institute of Paris, 43-87 bd de l’Hôpital, 75013 Paris, France
| | | | - Serge Zakine
- Clinique Maussins Nollet, Ramsay Génerale de Santé, 67 Rue de Romainville, 75019 Paris, France;
| | - Alexis Brice
- Brain Institute of Paris, 43-87 bd de l’Hôpital, 75013 Paris, France
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Hirayama J, Hattori A, Takahashi A, Furusawa Y, Tabuchi Y, Shibata M, Nagamatsu A, Yano S, Maruyama Y, Matsubara H, Sekiguchi T, Suzuki N. Physiological consequences of space flight, including abnormal bone metabolism, space radiation injury, and circadian clock dysregulation: Implications of melatonin use and regulation as a countermeasure. J Pineal Res 2023; 74:e12834. [PMID: 36203395 DOI: 10.1111/jpi.12834] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 10/03/2022] [Accepted: 10/04/2022] [Indexed: 12/15/2022]
Abstract
Exposure to the space environment induces a number of pathophysiological outcomes in astronauts, including bone demineralization, sleep disorders, circadian clock dysregulation, cardiovascular and metabolic dysfunction, and reduced immune system function. A recent report describing experiments aboard the Space Shuttle mission, STS-132, showed that the level of melatonin, a hormone that provides the biochemical signal of darkness, was decreased during microgravity in an in vitro culture model. Additionally, abnormal lighting conditions in outer space, such as low light intensity in orbital spacecraft and the altered 24-h light-dark cycles, may result in the dysregulation of melatonin rhythms and the misalignment of the circadian clock from sleep and work schedules in astronauts. Studies on Earth have demonstrated that melatonin regulates various physiological functions including bone metabolism. These data suggest that the abnormal regulation of melatonin in outer space may contribute to pathophysiological conditions of astronauts. In addition, experiments with high-linear energy transfer radiation, a ground-based model of space radiation, showed that melatonin may serve as a protectant against space radiation. Gene expression profiling using an in vitro culture model exposed to space flight during the STS-132 mission, showed that space radiation alters the expression of DNA repair and oxidative stress response genes, indicating that melatonin counteracts the expression of these genes responsive to space radiation to promote cell survival. These findings implicate the use of exogenous melatonin and the regulation of endogenous melatonin as countermeasures for the physiological consequences of space flight.
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Affiliation(s)
- Jun Hirayama
- Department of Clinical Engineering, Faculty of Health Sciences & Division of Health Sciences, Graduate School of Sustainable Systems Science, Komatsu University, Komatsu, Japan
| | - Atsuhiko Hattori
- Department of Biology, College of Liberal Arts and Sciences, Tokyo Medical and Dental University, Ichikawa, Japan
| | | | - Yukihiro Furusawa
- Department of Pharmaceutical Engineering, Faculty of Engineering, Toyama Prefectural University, Toyama, Japan
| | - Yoshiaki Tabuchi
- Life Science Research Center, University of Toyama, Toyama, Japan
| | - Masahiro Shibata
- Department of Biology, College of Liberal Arts and Sciences, Tokyo Medical and Dental University, Ichikawa, Japan
| | | | - Sachiko Yano
- Japan Aerospace Exploration Agency, Tsukuba, Japan
| | - Yusuke Maruyama
- Department of Biology, College of Liberal Arts and Sciences, Tokyo Medical and Dental University, Ichikawa, Japan
| | - Hajime Matsubara
- Noto Center for Fisheries Science and Technology, Kanazawa University, Noto-cho, Ishikawa, Japan
| | - Toshio Sekiguchi
- Noto Marine Laboratory, Institute of Nature and Environmental Technology, Kanazawa University, Noto-cho, Japan
| | - Nobuo Suzuki
- Noto Marine Laboratory, Institute of Nature and Environmental Technology, Kanazawa University, Noto-cho, Japan
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Hart DA. Sex differences in musculoskeletal injury and disease risks across the lifespan: Are there unique subsets of females at higher risk than males for these conditions at distinct stages of the life cycle? Front Physiol 2023; 14:1127689. [PMID: 37113695 PMCID: PMC10126777 DOI: 10.3389/fphys.2023.1127689] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 03/28/2023] [Indexed: 04/29/2023] Open
Abstract
Sex differences have been reported for diseases of the musculoskeletal system (MSK) as well as the risk for injuries to tissues of the MSK system. For females, some of these occur prior to the onset of puberty, following the onset of puberty, and following the onset of menopause. Therefore, they can occur across the lifespan. While some conditions are related to immune dysfunction, others are associated with specific tissues of the MSK more directly. Based on this life spectrum of sex differences in both risk for injury and onset of diseases, a role for sex hormones in the initiation and progression of this risk is somewhat variable. Sex hormone receptor expression and functioning can also vary with life events such as the menstrual cycle in females, with different tissues being affected. Furthermore, some sex hormone receptors can affect gene expression independent of sex hormones and some transitional events such as puberty are accompanied by epigenetic alterations that can further lead to sex differences in MSK gene regulation. Some of the sex differences in injury risk and the post-menopausal disease risk may be "imprinted" in the genomes of females and males during development and sex hormones and their consequences only modulators of such risks later in life as the sex hormone milieu changes. The purpose of this review is to discuss some of the relevant conditions associated with sex differences in risks for loss of MSK tissue integrity across the lifespan, and further discuss several of the implications of their variable relationship with sex hormones, their receptors and life events.
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Sathish Kumar L, Routray S, Prabu AV, Rajasoundaran S, Pandimurugan V, Mukherjee A, Al-Numay MS. Artificial intelligence based health indicator extraction and disease symptoms identification using medical hypothesis models. CLUSTER COMPUTING 2022; 26:1-13. [PMID: 36034677 PMCID: PMC9396605 DOI: 10.1007/s10586-022-03697-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/05/2022] [Revised: 07/14/2022] [Accepted: 07/28/2022] [Indexed: 06/15/2023]
Abstract
Patient health record analysis models assist the medical field to understand the current stands and medical needs. Similarly, collecting and analyzing the disease features are the best practice for encouraging medical researchers to understand the research problems. Various research works evolve the way of medical data analysis schemes to know the actual challenges against the diseases. The computer-based diagnosis models and medical data analysis models are widely applied to have a better understanding of different diseases. Particularly, the field of medical electronics needs appropriate health indicator extraction models in near future. The existing medical schemes support baseline solutions but lack optimal hypothesis-based solutions. This work describes the optimal hypothesis model and Akin procedures for health record users, to aid health sectors in clinical decision-making on health indications. This work proposes Medical Hypothesis and Health Indicators Extraction from Electronic Medical Records (EMR) and International Classification of Diseases (ICD-10) patient examination database using the Akin Method and Friendship method. In this Health Indicators and Disease Symptoms Extraction (HIDSE), the evidence checking procedures find and collect all possible medical evidence from the existing patient examination report. Akin Method is making the hypothesis decision from count-based evidence principles. The health indicators extraction scheme extracts all relevant information based on the health indicators query and partial input. Similarly, the friendship method is used for making information associations between medical data attributes. This Akin-Friendship model helps to build hypothesis structures and trait-based feature extraction principles. This is called as Composite Akin Friendship Model (CAFM). This proposed model consists of various test cases for developing the medical hypothesis systems. On the other hand, it provides limited accuracy in disease classification. In this regard, the proposed HIDSE implements Deep Learning (DL) based Akin Friendship Method (DLAFM) for improving the accuracy of this medical hypothesis model. The proposed DLAFM, Convolutional Neural Networks (CNN) associated Legacy Prediction Model for Health Indicator (LPHI) is developed to tune the CAFM principles. The results show the proposed health indicator extraction scheme has 8-10% of better system performance than other existing techniques.
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Affiliation(s)
- L. Sathish Kumar
- School of Computing Science and Engineering, VIT University, Bhopal, India
| | - Sidheswar Routray
- Department of Computer Science and Engineering, School of Engineering, Indrashil University, Rajpur, Mehsana, Gujarat India
| | - A. V. Prabu
- Department of Electronics and Communication Engineering, Koneru Lakshmaiah Education Foundation, Guntur, India
| | - S. Rajasoundaran
- School of Computing Science and Engineering, VIT University, Bhopal, India
| | - V. Pandimurugan
- School of Computing, Department of Networking and Communications, SRMIST, Kattankulathur Campus, Chennai, 603203 India
| | - Amrit Mukherjee
- Department of Computer Science, Faculty of Science, University of South Bohemia, Ceske Budejovice, Czech Republic
| | - Mohammed S. Al-Numay
- Department of Electrical Engineering, King Saud University, Riyadh, Saudi Arabia
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Chen H, Yang KG, Zhang J, Cheuk KY, Nepotchatykh E, Wang Y, Hung ALH, Lam TP, Moreau A, Lee WYW. Upregulation of microRNA-96-5p is associated with adolescent idiopathic scoliosis and low bone mass phenotype. Sci Rep 2022; 12:9705. [PMID: 35690607 PMCID: PMC9188568 DOI: 10.1038/s41598-022-12938-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 05/18/2022] [Indexed: 11/10/2022] Open
Abstract
Bone densitometry revealed low bone mass in patients with adolescent idiopathic scoliosis (AIS) and its prognostic potential to predict curve progression. Recent studies showed differential circulating miRNAs in AIS but their diagnostic potential and links to low bone mass have not been well-documented. The present study aimed to compare miRNA profiles in bone tissues collected from AIS and non-scoliotic subjects, and to explore if the selected miRNA candidates could be useful diagnostic biomarkers for AIS. Microarray analysis identified miR-96-5p being the most upregulated among the candidates. miR-96-5p level was measured in plasma samples from 100 AIS and 52 healthy girls. Our results showed significantly higher plasma levels of miR-96-5p in AIS girls with an area under the curve (AUC) of 0.671 for diagnostic accuracy. A model that was composed of plasma miR-96-5p and patient-specific parameters (age, body weight and years since menarche) gave rise to an improved AUC of 0.752. Ingenuity Pathway Analysis (IPA) indicated functional links between bone metabolic pathways and miR-96-5p. In conclusion, differentially expressed miRNAs in AIS bone and plasma samples represented a new source of disease biomarkers and players in AIS etiopathogenesis, which required further validation study involving AIS patients of both genders with long-term follow-up.
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Affiliation(s)
- Huanxiong Chen
- Department of Spine Surgery, The First Affiliated Hospital of Hainan Medical University, Haikou, Hainan, China.,Department of Orthopaedics and Traumatology, SH Ho Scoliosis Research Laboratory, Joint Scoliosis Research Centre of the Chinese University of Hong Kong and Nanjing University, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Kenneth Guangpu Yang
- Department of Orthopaedics and Traumatology, SH Ho Scoliosis Research Laboratory, Joint Scoliosis Research Centre of the Chinese University of Hong Kong and Nanjing University, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Jiajun Zhang
- Department of Orthopaedics and Traumatology, SH Ho Scoliosis Research Laboratory, Joint Scoliosis Research Centre of the Chinese University of Hong Kong and Nanjing University, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Ka-Yee Cheuk
- Department of Orthopaedics and Traumatology, SH Ho Scoliosis Research Laboratory, Joint Scoliosis Research Centre of the Chinese University of Hong Kong and Nanjing University, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Evguenia Nepotchatykh
- Viscogliosi Laboratory in Molecular Genetics of Musculoskeletal Diseases, Sainte-Justine University Hospital Research Center, Montreal, QC, Canada
| | - Yujia Wang
- Department of Orthopaedics and Traumatology, SH Ho Scoliosis Research Laboratory, Joint Scoliosis Research Centre of the Chinese University of Hong Kong and Nanjing University, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Alec Lik-Hang Hung
- Department of Orthopaedics and Traumatology, SH Ho Scoliosis Research Laboratory, Joint Scoliosis Research Centre of the Chinese University of Hong Kong and Nanjing University, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Tsz-Ping Lam
- Department of Orthopaedics and Traumatology, SH Ho Scoliosis Research Laboratory, Joint Scoliosis Research Centre of the Chinese University of Hong Kong and Nanjing University, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Alain Moreau
- Viscogliosi Laboratory in Molecular Genetics of Musculoskeletal Diseases, Sainte-Justine University Hospital Research Center, Montreal, QC, Canada. .,Department of Stomatology, Faculty of Dentistry, Université de Montréal, Montreal, QC, Canada. .,Department of Biochemistry and Molecular Medicine, Faculty of Medicine, Université de Montréal, Montreal, QC, Canada.
| | - Wayne Yuk-Wai Lee
- Department of Orthopaedics and Traumatology, SH Ho Scoliosis Research Laboratory, Joint Scoliosis Research Centre of the Chinese University of Hong Kong and Nanjing University, The Chinese University of Hong Kong, Hong Kong SAR, China. .,Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China.
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de Azevedo GBL, Perini JA, Araújo Junior AEP, Moliterno LAM, Andrande RM, Guimarães JAM, Defino HLA. Association of FBN1 polymorphism with susceptibility of adolescent idiopathic scoliosis: a case-control study. BMC Musculoskelet Disord 2022; 23:430. [PMID: 35526034 PMCID: PMC9077855 DOI: 10.1186/s12891-022-05370-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Accepted: 04/21/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Fibrillin-1 (FBN1) is an extracellular matrix glycoprotein essential to the structural component of microfibrils and FBN1 gene polymorphisms can be associated with adolescent idiopathic scoliosis (AIS) susceptibility. This study aimed to evaluate the potential role of the FBN1 rs12916536 polymorphism in AIS development or severity and the variation in Cobb angle in relation to patient's characteristics. METHODS DNA from 563 subjects (185 AIS patients and 378 controls) were genotyped using a validated TaqMan allelic discrimination assay. A multivariate logistic regression model evaluated the association between polymorphism and AIS, using the adjusted odds ratios (OR) with their respective 95% confidence intervals (95% CI). A linear regression analysis evaluated the variation in Cobb angle according to the patient's age and body mass index (BMI). RESULTS Among the AIS group there was a predominance of females (12:1), low or normal BMI (90%), 58% had a Cobb angle greater than 45° and 74% were skeletally mature. Age was a risk factor (4-fold) for curve progression higher than BMI (P < 0.001). The allelic frequency of the rs12916536 G > A polymorphism was 40% in controls and 31% in AIS cases; and this difference was statistically significant (P = 0.004). FBN1 rs12916536 GA + AA genotypes were associated with a lower risk of AIS susceptibility (OR = 0.58 and 95% CI = 0.35-0.98), after adjustment for age, sex and BMI. However, no significant differences were detected in polymorphism distribution with the severity of the disease (Cobb < 45° or ≥ 45°). CONCLUSION Age was a risk factor for progression of the scoliotic curve and FBN1 rs12916536 polymorphism a protective factor for AIS susceptibility.
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Affiliation(s)
- Gustavo Borges Laurindo de Azevedo
- Spine Surgery Center, National Institute of Traumatology and Orthopaedics (INTO), Rio de Janeiro, RJ, Brazil.,Departments of Orthopaedic and Anesthesiology, Ribeirão Preto Medical School, University of São Paulo, de São Paulo, Brazil
| | - Jamila Alessandra Perini
- Research Division, National Institute of Traumatology and Orthopaedics (INTO), Avenida Brasil, 500, Rio de Janeiro, RJ, zip code 20940-070, Brazil. .,Research Laboratory of Pharmaceutical Sciences (LAPESF), State University of Rio de Janeiro (UERJ), Rio de Janeiro, RJ, Brazil.
| | - Antônio Eulálio Pedrosa Araújo Junior
- Spine Surgery Center, National Institute of Traumatology and Orthopaedics (INTO), Rio de Janeiro, RJ, Brazil.,Departments of Orthopaedic and Anesthesiology, Ribeirão Preto Medical School, University of São Paulo, de São Paulo, Brazil
| | - Luis Antonio Medeiros Moliterno
- Spine Surgery Center, National Institute of Traumatology and Orthopaedics (INTO), Rio de Janeiro, RJ, Brazil.,Departments of Orthopaedic and Anesthesiology, Ribeirão Preto Medical School, University of São Paulo, de São Paulo, Brazil
| | - Rodrigo Mantelatto Andrande
- Departments of Orthopaedic and Anesthesiology, Ribeirão Preto Medical School, University of São Paulo, de São Paulo, Brazil
| | - João Antonio Matheus Guimarães
- Research Division, National Institute of Traumatology and Orthopaedics (INTO), Avenida Brasil, 500, Rio de Janeiro, RJ, zip code 20940-070, Brazil
| | - Helton Luiz Aparecido Defino
- Departments of Orthopaedic and Anesthesiology, Ribeirão Preto Medical School, University of São Paulo, de São Paulo, Brazil
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9
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Idiopathic scoliosis: general characteristics and analysis of etiological theories (literature review). ACTA BIOMEDICA SCIENTIFICA 2021. [DOI: 10.29413/abs.2021-6.3.20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Idiopathic scoliosis is a severe pathology of the musculoskeletal system that affects children and adolescents all over the world. The disease occurs in approximately 0.2-0.6% of the general population, and is the largest subgroup of spinal curvature in humans (70-90% of all known scoliosis cases). In idiopathic scoliosis, a threedimensional deformation of the vertebral column is formed, leading to the formation of a rib hump, curvature of the ribs and chest, asymmetry of the pelvis and impaired development of internal organs. The main feature of the disease is the spontaneous development of deformity during the growth of the child and the tendency to progress. Scoliosis is not only an orthopedic disease, but also a ignificant cosmetic, and, consequently, a psychological and social problem. The standard of treatment for scoliotic disease remains unchanged for a long time: observation, corset treatment and surgical correction. The prognosis for the development of pathology varies depending on the degree of deformation. The corset-therapy, hospitalization, surgery and treatment of chronic back pain have a negative impact on the psychoemotional state of children and adolescents. Despite significant advances in the methods of diagnosis of deformity, improvement of surgical treatment methods and in the study of pathogenesis, the etiological factor of pathology is still unknown. The search for the causes of idiopathic scoliosis covers almost all aspects of its possible origin: genetic, environmental, hormonal, metabolic, biochemical, neurological, and others. In recent decades, relevant theories of the development of scoliosis have been formulated, but none of the theories reveals the essence of the pathological process and has no clear justification. The greatest number of supporters is the genetic theory: genetic factors play a key role in the occurrence and development of idiopathic scoliosis. Understanding the underlying factors of the disease will enable prevention, early diagnosis, and identification of the risk groups of the patients in question.
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Prevalence of POC5 Coding Variants in French-Canadian and British AIS Cohort. Genes (Basel) 2021; 12:genes12071032. [PMID: 34356048 PMCID: PMC8306370 DOI: 10.3390/genes12071032] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 06/03/2021] [Accepted: 06/28/2021] [Indexed: 01/24/2023] Open
Abstract
Adolescent idiopathic scoliosis (AIS) is a complex common disorder of multifactorial etiology defined by a deviation of the spine in three dimensions that affects approximately 2% to 4% of adolescents. Risk factors include other affected family members, suggesting a genetic component to the disease. The POC5 gene was identified as one of the first ciliary candidate genes for AIS, as three variants were identified in large families with multiple members affected with idiopathic scoliosis. To assess the prevalence of p.(A429V), p.(A446T), and p.(A455P) POC5 variants in patients with AIS, we used next-generation sequencing in our cohort of French-Canadian and British families and sporadic cases. Our study highlighted a prevalence of 13% for POC5 variants, 7.5% for p.(A429V), and 6.4% for p.(A446T). These results suggest a higher prevalence of the aforementioned POC5 coding variants in patients with AIS compared to the general population.
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