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Cheung A, Audhya IF, Szabo SM, Friesen M, Weihl CC, Gooch KL. Patterns of Clinical Progression Among Patients With Autosomal Recessive Limb-Girdle Muscular Dystrophy: A Systematic Review. J Clin Neuromuscul Dis 2023; 25:65-80. [PMID: 37962193 DOI: 10.1097/cnd.0000000000000461] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
OBJECTIVES As the clinical course of autosomal recessive limb-girdle muscular dystrophy (LGMDR) is highly variable, this study characterized the frequency of loss of ambulation (LOA) among patients by subtype (LGMDR1, LGMDR2, LGMDR3-6, LGMDR9, LGMDR12) and progression to cardiac and respiratory involvement among those with and without LOA. METHODS Systematic literature review. RESULTS From 2929 abstracts screened, 418 patients were identified with ambulatory status data (LOA: 265 [63.4%]). Cardiac and/or respiratory function was reported for 142 patients (34.0%; all with LOA). Among these, respiratory involvement was most frequent in LGMDR3-6 (74.1%; mean [SD] age 23.9 [11.0] years) and cardiac in LGMDR9 (73.3%; mean [SD] age 23.7 [17.7] years). Involvement was less common in patients without LOA except in LGMDR9 (71.4% respiratory and 52.4% cardiac). CONCLUSIONS This study described the co-occurrence of LOA, cardiac, and respiratory involvement in LGMDR and provides greater understanding of the clinical progression of LGMDR.
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Affiliation(s)
| | | | | | | | - Conrad C Weihl
- Department of Neurology, Hope Center for Neurological Diseases, Washington University School of Medicine, St. Louis, MO
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Audhya IF, Cheung A, Szabo SM, Flint E, Weihl CC, Gooch KL. Progression to Loss of Ambulation Among Patients with Autosomal Recessive Limb-girdle Muscular Dystrophy: A Systematic Review. J Neuromuscul Dis 2022; 9:477-492. [PMID: 35527561 PMCID: PMC9398075 DOI: 10.3233/jnd-210771] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Abstract
Background The impact of age at autosomal recessive limb girdle muscular dystrophy (LGMDR) onset on progression to loss of ambulation (LOA) has not been well established, particularly by subtype. Objectives: To describe the characteristics of patients with adult-, late childhood-, and early childhood-onset LGMDR by subtype and characterize the frequency and timing of LOA. Methods: A systematic review was conducted in MEDLINE, Embase and the Cochrane library. Frequency and timing of LOA in patients with LGMDR1, LGMDR2/Miyoshi myopathy (MM), LGMDR3-6, LGMDR9, and LGMDR12 were synthesized from published data. Results: In 195 studies, 695 (43.4%) patients had adult-, 532 (33.2%) had late childhood-, and 376 (23.5%) had early childhood-onset of disease across subtypes among those with a reported age at onset (n = 1,603); distribution of age at onset varied between subtypes. Among patients with LOA (n = 228), adult-onset disease was uncommon in LGMDR3-6 (14%) and frequent in LGMDR2/MM (42%); LGMDR3-6 cases with LOA primarily had early childhood-onset (74%). Mean (standard deviation [SD]) time to LOA varied between subtypes and was shortest for patients with early childhood-onset LGMDR9 (12.0 [4.9] years, n = 19) and LGMDR3-6 (12.3 [10.7], n = 56) and longest for those with late childhood-onset LGMDR2/MM (21.4 [11.5], n = 36). Conclusions: This review illustrated that patients with early childhood-onset disease tend to have faster progression to LOA than those with late childhood- or adult-onset disease, particularly in LGMDR9. These findings provide a greater understanding of progression to LOA by LGMDR subtype, which may help inform clinical trial design and provide a basis for natural history studies.
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Affiliation(s)
| | | | | | - Emma Flint
- Broadstreet HEOR, Vancouver, BC, V6A 1A4 Canada
| | - Conrad C Weihl
- Washington University School of Medicine, St.Louis, MO, USA
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Yedigaryan L, Sampaolesi M. Therapeutic Implications of miRNAs for Muscle-Wasting Conditions. Cells 2021; 10:cells10113035. [PMID: 34831256 PMCID: PMC8616481 DOI: 10.3390/cells10113035] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 10/28/2021] [Accepted: 10/30/2021] [Indexed: 12/14/2022] Open
Abstract
MicroRNAs (miRNAs) are small, non-coding RNA molecules that are mainly involved in translational repression by binding to specific messenger RNAs. Recently, miRNAs have emerged as biomarkers, relevant for a multitude of pathophysiological conditions, and cells can selectively sort miRNAs into extracellular vesicles for paracrine and endocrine effects. In the overall context of muscle-wasting conditions, a multitude of miRNAs has been implied as being responsible for the typical dysregulation of anabolic and catabolic pathways. In general, chronic muscle disorders are associated with the main characteristic of a substantial loss in muscle mass. Muscular dystrophies (MDs) are a group of genetic diseases that cause muscle weakness and degeneration. Typically, MDs are caused by mutations in those genes responsible for upholding the integrity of muscle structure and function. Recently, the dysregulation of miRNA levels in such pathological conditions has been reported. This revelation is imperative for both MDs and other muscle-wasting conditions, such as sarcopenia and cancer cachexia. The expression levels of miRNAs have immense potential for use as potential diagnostic, prognostic and therapeutic biomarkers. Understanding the role of miRNAs in muscle-wasting conditions may lead to the development of novel strategies for the improvement of patient management.
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Affiliation(s)
- Laura Yedigaryan
- Translational Cardiomyology Laboratory, Stem Cell Biology and Embryology, Department of Development and Regeneration, KU Leuven, 3000 Leuven, Belgium;
| | - Maurilio Sampaolesi
- Translational Cardiomyology Laboratory, Stem Cell Biology and Embryology, Department of Development and Regeneration, KU Leuven, 3000 Leuven, Belgium;
- Histology and Medical Embryology Unit, Department of Anatomy, Histology, Forensic Medicine and Orthopedics, Sapienza University of Rome, 00185 Rome, Italy
- Correspondence:
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Zampatti S, Ragazzo M, Peconi C, Luciano S, Gambardella S, Caputo V, Strafella C, Cascella R, Caltagirone C, Giardina E. Genetic Counselling Improves the Molecular Characterisation of Dementing Disorders. J Pers Med 2021; 11:474. [PMID: 34073306 DOI: 10.3390/jpm11060474] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 05/20/2021] [Accepted: 05/24/2021] [Indexed: 12/31/2022] Open
Abstract
Dementing disorders are a complex group of neurodegenerative diseases characterised by different, but often overlapping, pathological pathways. Genetics have been largely associated with the development or the risk to develop dementing diseases. Recent advances in molecular technologies permit analyzing of several genes in a small time, but the interpretation analysis is complicated by several factors: the clinical complexity of neurodegenerative disorders, the frequency of co-morbidities, and the high phenotypic heterogeneity of genetic diseases. Genetic counselling supports the diagnostic path, providing an accurate familial and phenotypic characterisation of patients. In this review, we summarise neurodegenerative dementing disorders and their genetic determinants. Genetic variants and associated phenotypes will be divided into high and low impact, in order to reflect the pathologic continuum between multifactorial and mendelian genetic factors. Moreover, we report a molecular characterisation of genes associated with neurodegenerative disorders with cognitive impairment. In particular, the high frequency of rare coding genetic variants in dementing genes strongly supports the role of geneticists in both, clinical phenotype characterisation and interpretation of genotypic data. The smart application of exome analysis to dementia patients, with a pre-analytical selection on familial, clinical, and instrumental features, improves the diagnostic yield of genetic test, reduces time for diagnosis, and allows a rapid and personalised management of disease.
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Zhong H, Zheng Y, Zhao Z, Lin P, Xi J, Zhu W, Lin J, Lu J, Yu M, Zhang W, Lv H, Yan C, Hu J, Wang Z, Lu J, Zhao C, Yuan Y, Luo S. Molecular landscape of CAPN3 mutations in limb-girdle muscular dystrophy type R1: from a Chinese multicentre analysis to a worldwide perspective. J Med Genet 2020; 58:729-736. [PMID: 32994280 DOI: 10.1136/jmedgenet-2020-107159] [Citation(s) in RCA: 2] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 07/31/2020] [Accepted: 08/14/2020] [Indexed: 01/29/2023]
Abstract
BACKGROUND Limb-girdle muscular dystrophy type R1 (LGMDR1) can be caused by recessive CAPN3 mutations accounting for the majority of LGMD. To date, no systemic evaluation has been performed to analyse the detrimental and normal mutations on CAPN3 and its hotspots. METHODS CAPN3 variants (n=112) from a total of 124 patients with LGMDR1 recruited in four centres in China were retrospectively analysed. Then external CAPN3 variants (n=2031) from online databases were integrated with our Chinese cohort data to achieve a worldwide perspective on CAPN3 mutations. According to their related phenotypes (LGMDR1 or normal), we analysed consequence, distribution, ethnicity and severity scores of CAPN3 mutations. RESULTS Two hotspot mutations were identified including c.2120A>G in Chinese population and c.550del in Europe. According to the integrated dataset, 521 mutations were classified as LGMDR1-related and converged on exons 1, 10, 5, 22 and 13 of CAPN3. The remaining 1585 variants were classified as normal-population related. The deleterious ratio of LGMDR1-relevant variants to total variants in each population was 0.26 on average with a maximum of 0.35 in Finns and a minimum of 0.21 in South Asians. Severity evaluation showed that Chinese LGMDR1-related variants exhibited a higher risk (Combined Annotation Dependent Depletion score +1.10) than that from database patients (p<0.001). CONCLUSIONS This study confirmed two hotspots and LGMDR1-related CAPN3 variants, highlighting the advantages in using a data-based comprehensive analysis to achieve a genetic landscape for patients with LGMDR1.
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Affiliation(s)
- Huahua Zhong
- Department of Neurology, Huashan Hospital Fudan University, Shanghai, China
| | - Yiming Zheng
- Department of Neurology, Peking University First Hospital, Beijing, China
| | - Zhe Zhao
- Department of Neuromuscular Disorders, Hebei Medical University Third Affiliated Hospital, Shijiazhuang, China
| | - Pengfei Lin
- Department of Neurology, Shandong University Qilu Hospital, Jinan, China
| | - Jianying Xi
- Department of Neurology, Huashan Hospital Fudan University, Shanghai, China
| | - Wenhua Zhu
- Department of Neurology, Huashan Hospital Fudan University, Shanghai, China
| | - Jie Lin
- Department of Neurology, Huashan Hospital Fudan University, Shanghai, China
| | - Jun Lu
- Department of Neurology, Huashan Hospital Fudan University, Shanghai, China
| | - Meng Yu
- Department of Neurology, Peking University First Hospital, Beijing, China
| | - Wei Zhang
- Department of Neurology, Peking University First Hospital, Beijing, China
| | - He Lv
- Department of Neurology, Peking University First Hospital, Beijing, China
| | - Chuanzhu Yan
- Department of Neurology, Shandong University Qilu Hospital, Jinan, China
| | - Jing Hu
- Department of Neuromuscular Disorders, Hebei Medical University Third Affiliated Hospital, Shijiazhuang, China
| | - Zhaoxia Wang
- Department of Neurology, Peking University First Hospital, Beijing, China
| | - Jiahong Lu
- Department of Neurology, Huashan Hospital Fudan University, Shanghai, China
| | - Chongbo Zhao
- Department of Neurology, Huashan Hospital Fudan University, Shanghai, China
| | - Yun Yuan
- Department of Neurology, Peking University First Hospital, Beijing, China
| | - Sushan Luo
- Department of Neurology, Huashan Hospital Fudan University, Shanghai, China
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Strafella C, Caputo V, Termine A, Barati S, Gambardella S, Borgiani P, Caltagirone C, Novelli G, Giardina E, Cascella R. Analysis of ACE2 Genetic Variability among Populations Highlights a Possible Link with COVID-19-Related Neurological Complications. Genes (Basel) 2020; 11:genes11070741. [PMID: 32635188 PMCID: PMC7397291 DOI: 10.3390/genes11070741] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 06/25/2020] [Accepted: 07/01/2020] [Indexed: 02/07/2023] Open
Abstract
Angiotensin-converting enzyme 2 (ACE2) has been recognized as the entry receptor of the novel severe acute respiratory syndrome coronavirus 2 (SARS-Cov-2). Structural and sequence variants in ACE2 gene may affect its expression in different tissues and determine a differential response to SARS-Cov-2 infection and the COVID-19-related phenotype. The present study investigated the genetic variability of ACE2 in terms of single nucleotide variants (SNVs), copy number variations (CNVs), and expression quantitative loci (eQTLs) in a cohort of 268 individuals representative of the general Italian population. The analysis identified five SNVs (rs35803318, rs41303171, rs774469453, rs773676270, and rs2285666) in the Italian cohort. Of them, rs35803318 and rs2285666 displayed a significant different frequency distribution in the Italian population with respect to worldwide population. The eQTLs analysis located in and targeting ACE2 revealed a high distribution of eQTL variants in different brain tissues, suggesting a possible link between ACE2 genetic variability and the neurological complications in patients with COVID-19. Further research is needed to clarify the possible relationship between ACE2 expression and the susceptibility to neurological complications in patients with COVID-19. In fact, patients at higher risk of neurological involvement may need different monitoring and treatment strategies in order to prevent severe, permanent brain injury.
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Affiliation(s)
- Claudia Strafella
- Medical Genetics Laboratory, Department of Biomedicine and Prevention, Tor Vergata University, 00133 Rome, Italy; (V.C.); (P.B.); (G.N.); (E.G.); (R.C.)
- Genomic Medicine Laboratory UILDM, IRCCS Santa Lucia Foundation, 00179 Rome, Italy; (A.T.); (S.B.)
- Correspondence:
| | - Valerio Caputo
- Medical Genetics Laboratory, Department of Biomedicine and Prevention, Tor Vergata University, 00133 Rome, Italy; (V.C.); (P.B.); (G.N.); (E.G.); (R.C.)
- Genomic Medicine Laboratory UILDM, IRCCS Santa Lucia Foundation, 00179 Rome, Italy; (A.T.); (S.B.)
| | - Andrea Termine
- Genomic Medicine Laboratory UILDM, IRCCS Santa Lucia Foundation, 00179 Rome, Italy; (A.T.); (S.B.)
| | - Shila Barati
- Genomic Medicine Laboratory UILDM, IRCCS Santa Lucia Foundation, 00179 Rome, Italy; (A.T.); (S.B.)
| | - Stefano Gambardella
- Neuromed Institute IRCCS, 86077 Pozzilli, Italy;
- Department of Biomolecular Sciences, University of Urbino “Carlo Bo”, 61029 Urbino, Italy
| | - Paola Borgiani
- Medical Genetics Laboratory, Department of Biomedicine and Prevention, Tor Vergata University, 00133 Rome, Italy; (V.C.); (P.B.); (G.N.); (E.G.); (R.C.)
| | - Carlo Caltagirone
- Department of Clinical and Behavioral Neurology, IRCCS Fondazione Santa Lucia, 00179 Rome, Italy;
| | - Giuseppe Novelli
- Medical Genetics Laboratory, Department of Biomedicine and Prevention, Tor Vergata University, 00133 Rome, Italy; (V.C.); (P.B.); (G.N.); (E.G.); (R.C.)
- Neuromed Institute IRCCS, 86077 Pozzilli, Italy;
| | - Emiliano Giardina
- Medical Genetics Laboratory, Department of Biomedicine and Prevention, Tor Vergata University, 00133 Rome, Italy; (V.C.); (P.B.); (G.N.); (E.G.); (R.C.)
- Genomic Medicine Laboratory UILDM, IRCCS Santa Lucia Foundation, 00179 Rome, Italy; (A.T.); (S.B.)
| | - Raffaella Cascella
- Medical Genetics Laboratory, Department of Biomedicine and Prevention, Tor Vergata University, 00133 Rome, Italy; (V.C.); (P.B.); (G.N.); (E.G.); (R.C.)
- Department of Biomedical Sciences, Catholic University Our Lady of Good Counsel, 1000 Tirana, Albania
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Ragazzo M, Carboni S, Caputo V, Buttini C, Manzo L, Errichiello V, Puleri G, Giardina E. Interpreting Mixture Profiles: Comparison between Precision ID GlobalFiler™ NGS STR Panel v2 and Traditional Methods. Genes (Basel) 2020; 11:E591. [PMID: 32466613 PMCID: PMC7349666 DOI: 10.3390/genes11060591] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 04/28/2020] [Accepted: 05/22/2020] [Indexed: 12/11/2022] Open
Abstract
Forensic investigation for the identification of offenders, recognition of human remains, and verification of family relationships requires the analysis of particular types of highly informative DNA markers, which have high discriminatory power and are efficient for typing degraded samples. These markers, called STRs (Short Tandem Repeats), can be amplified by multiplex-PCR (Polymerase Chain Reaction) allowing attainment of a unique profile through which it is possible to distinguish one individual from another with a high statistical significance. The rapid and progressive evolution of analytical techniques and the advent of Next-Generation Sequencing (NGS) have completely revolutionized the DNA sequencing approach. This technology, widely used today in the diagnostic field, has the advantage of being able to process several samples in parallel, producing a huge volume of data in a short time. At this time, although default parameters of interpretation software are available, there is no general agreement on the interpretation rules of forensic data produced via NGS technology. Here we report a pilot study aimed for a comparison between NGS (Precision ID GlobalFiler™ NGS STR Panel v2, Thermo Fisher Scientific, Waltham, MA, USA) and traditional methods in their ability to identify major and minor contributors in DNA mixtures from saliva and urine samples. A quantity of six mixed samples were prepared for both saliva and urine samples from donors. A total of 12 mixtures were obtained in the ratios of 1:2; 1:4; 1:6; 1:8; 1:10; and 1:20 between minor and major contributors. Although the number of analyzed mixtures is limited, our results confirm that NGS technology offers a huge range of additional information on samples, but cannot ensure a higher sensitivity in respect to traditional methods. Finally, the Precision ID GlobalFiler™ NGS STR Panel v2 is a powerful method for kinship analyses and typing reference samples, but its use in biological evidence should be carefully considered on the basis of the characteristics of the evidence.
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Affiliation(s)
- Michele Ragazzo
- Department of Biomedicine and Prevention, Tor Vergata University of Rome, 00133 Rome, Italy; (M.R.); (V.C.); (C.B.); (L.M.); (V.E.); (G.P.)
| | - Stefania Carboni
- Genomic Medicine Laboratory UILDM, Santa Lucia Foundation IRCCS, 00142 Rome, Italy;
| | - Valerio Caputo
- Department of Biomedicine and Prevention, Tor Vergata University of Rome, 00133 Rome, Italy; (M.R.); (V.C.); (C.B.); (L.M.); (V.E.); (G.P.)
| | - Carlotta Buttini
- Department of Biomedicine and Prevention, Tor Vergata University of Rome, 00133 Rome, Italy; (M.R.); (V.C.); (C.B.); (L.M.); (V.E.); (G.P.)
| | - Laura Manzo
- Department of Biomedicine and Prevention, Tor Vergata University of Rome, 00133 Rome, Italy; (M.R.); (V.C.); (C.B.); (L.M.); (V.E.); (G.P.)
| | - Valeria Errichiello
- Department of Biomedicine and Prevention, Tor Vergata University of Rome, 00133 Rome, Italy; (M.R.); (V.C.); (C.B.); (L.M.); (V.E.); (G.P.)
| | - Giulio Puleri
- Department of Biomedicine and Prevention, Tor Vergata University of Rome, 00133 Rome, Italy; (M.R.); (V.C.); (C.B.); (L.M.); (V.E.); (G.P.)
| | - Emiliano Giardina
- Department of Biomedicine and Prevention, Tor Vergata University of Rome, 00133 Rome, Italy; (M.R.); (V.C.); (C.B.); (L.M.); (V.E.); (G.P.)
- Genomic Medicine Laboratory UILDM, Santa Lucia Foundation IRCCS, 00142 Rome, Italy;
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Strafella C, Caputo V, Campoli G, Galota RM, Mela J, Zampatti S, Minozzi G, Sancricca C, Servidei S, Giardina E, Cascella R. Genetic Counseling and NGS Screening for Recessive LGMD2A Families. High Throughput 2020; 9:ht9020013. [PMID: 32397577 PMCID: PMC7349198 DOI: 10.3390/ht9020013] [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: 02/19/2020] [Revised: 03/18/2020] [Accepted: 05/06/2020] [Indexed: 12/20/2022] Open
Abstract
Genetic counseling applied to limb–girdle muscular dystrophies (LGMDs) can be very challenging due to their clinical and genetic heterogeneity and the availability of different molecular assays. Genetic counseling should therefore be addressed to select the most suitable approach to increase the diagnostic rate and provide an accurate estimation of recurrence risk. This is particularly true for families with a positive history for recessive LGMD, in which the presence of a known pathogenetic mutation segregating within the family may not be enough to exclude the risk of having affected children without exploring the genetic background of phenotypically unaffected partners. In this work, we presented a family with a positive history for LGMD2A (OMIM #253600, also known as calpainopathy) characterized by compound heterozygosity for two CAPN3 mutations. The genetic specialist suggested the segregation analysis of both mutations within the family as a first-level analysis. Sequentially, next-generation sequencing (NGS) analysis was performed in the partners of healthy carriers to provide an accurate recurrence/reproductive risk estimation considering the genetic background of the couple. Finally, this work highlighted the importance of providing a genetic counseling/testing service even in unaffected individuals with a carrier partner. This approach can support genetic counselors in estimating the reproductive/recurrence risk and eventually, suggesting prenatal testing, early diagnosis or other medical surveillance strategies.
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Affiliation(s)
- Claudia Strafella
- Genomic Medicine Laboratory UILDM, Santa Lucia Foundation, 00179 Rome, Italy; (V.C.); (G.C.); (R.M.G.); (J.M.); (S.Z.); (E.G.); (R.C.)
- Department of Biomedicine and Prevention, Tor Vergata University, 00133 Rome, Italy
- Correspondence:
| | - Valerio Caputo
- Genomic Medicine Laboratory UILDM, Santa Lucia Foundation, 00179 Rome, Italy; (V.C.); (G.C.); (R.M.G.); (J.M.); (S.Z.); (E.G.); (R.C.)
- Department of Biomedicine and Prevention, Tor Vergata University, 00133 Rome, Italy
| | - Giulia Campoli
- Genomic Medicine Laboratory UILDM, Santa Lucia Foundation, 00179 Rome, Italy; (V.C.); (G.C.); (R.M.G.); (J.M.); (S.Z.); (E.G.); (R.C.)
| | - Rosaria Maria Galota
- Genomic Medicine Laboratory UILDM, Santa Lucia Foundation, 00179 Rome, Italy; (V.C.); (G.C.); (R.M.G.); (J.M.); (S.Z.); (E.G.); (R.C.)
| | - Julia Mela
- Genomic Medicine Laboratory UILDM, Santa Lucia Foundation, 00179 Rome, Italy; (V.C.); (G.C.); (R.M.G.); (J.M.); (S.Z.); (E.G.); (R.C.)
| | - Stefania Zampatti
- Genomic Medicine Laboratory UILDM, Santa Lucia Foundation, 00179 Rome, Italy; (V.C.); (G.C.); (R.M.G.); (J.M.); (S.Z.); (E.G.); (R.C.)
| | - Giulietta Minozzi
- Department of Veterinary Medicine, University of Milan, 20133 Milan, Italy;
| | - Cristina Sancricca
- Fondazione Policlinico Universitario A. Gemelli IRCCS, UOC Neurofisiopatologia, 00168 Rome, Italy; (C.S.); (S.S.)
- Unione Italiana Lotta Distrofia Muscolare (UILDM), Sezione Laziale, 00167 Rome, Italy
| | - Serenella Servidei
- Fondazione Policlinico Universitario A. Gemelli IRCCS, UOC Neurofisiopatologia, 00168 Rome, Italy; (C.S.); (S.S.)
| | - Emiliano Giardina
- Genomic Medicine Laboratory UILDM, Santa Lucia Foundation, 00179 Rome, Italy; (V.C.); (G.C.); (R.M.G.); (J.M.); (S.Z.); (E.G.); (R.C.)
- Department of Biomedicine and Prevention, Tor Vergata University, 00133 Rome, Italy
| | - Raffaella Cascella
- Genomic Medicine Laboratory UILDM, Santa Lucia Foundation, 00179 Rome, Italy; (V.C.); (G.C.); (R.M.G.); (J.M.); (S.Z.); (E.G.); (R.C.)
- Department of Biomedical Sciences, Catholic University Our Lady of Good Counsel, 1000 Tirana, Albania
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Jia X, Shao L, Liu C, Chen T, Peng L, Cao Y, Zhang C, Yang X, Zhang G, Gao J, Fan G, Gu M, Du H, Xia Z. GAA compound heterozygous mutations associated with autophagic impairment cause cerebral infarction in Pompe disease. Aging (Albany NY) 2020; 12:4268-4282. [PMID: 32126021 PMCID: PMC7093195 DOI: 10.18632/aging.102879] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [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: 11/05/2019] [Accepted: 02/04/2020] [Indexed: 12/13/2022]
Abstract
Clinical manifestations of the late-onset adult Pompe disease (glycogen storage disease type II) are heterogeneous. To identify genetic defects of a special patient population with cerebrovascular involvement as the main symptom, we performed whole-genome sequencing (WGS) analysis on a consanguineous Chinese family of total eight members including two Pompe siblings both had cerebral infarction. Two novel compound heterozygous variants were found in GAA gene: c.2238G>C in exon 16 and c.1388_1406del19 in exon 9 in the two patients. We verified the function of the two mutations in leading to defects in GAA protein expression and enzyme activity that are associated with autophagic impairment. We further performed a gut microbiome metagenomics analysis, found that the child’s gut microbiome metagenome is very similar to his mother. Our finding enriches the gene mutation spectrum of Pompe disease, and identified the association of the two new mutations with autophagy impairment. Our data also indicates that gut microbiome could be shared within Pompe patient and cohabiting family members, and the abnormal microbiome may affect the blood biochemical index. Our study also highlights the importance of deep DNA sequencing in potential clinical applications.
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Affiliation(s)
- Xiaodong Jia
- Joint Laboratory for Translational Medicine Research, Liaocheng People's Hospital, Liaocheng 252000, Shandong, P.R. China
| | - Libin Shao
- BGI-Qingdao, BGI-Shenzhen, Qingdao 266555, P.R. China.,School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, P.R. China
| | | | - Tuanzhi Chen
- Department of Neurology, Liaocheng People's Hospital and Liaocheng Clinical School of Shandong First Medical University, Liaocheng 252000, Shandong, P.R. China
| | - Ling Peng
- BGI-Qingdao, BGI-Shenzhen, Qingdao 266555, P.R. China
| | - Yinguang Cao
- Department of Clinical laboratory, Liaocheng People's Hospital and Liaocheng Clinical School of Shandong First Medical University, Liaocheng 252000, Shandong, P.R. China
| | - Chuanchen Zhang
- Department of Radiology, Liaocheng People's Hospital and Liaocheng Clinical School of Shandong First Medical University, Liaocheng 252000, Shandong, P.R. China
| | - Xiafeng Yang
- Department of Neurology, Liaocheng People's Hospital and Liaocheng Clinical School of Shandong First Medical University, Liaocheng 252000, Shandong, P.R. China
| | - Guifeng Zhang
- Shandong First Medical University, Taian 271016, Shandong, P.R. China
| | - Jianlu Gao
- Joint Laboratory for Translational Medicine Research, Liaocheng People's Hospital, Liaocheng 252000, Shandong, P.R. China.,Department of Ophthalmology, Liaocheng People's Hospital and Liaocheng Clinical School of Shandong First Medical University, Liaocheng 252000, Shandong, P.R. China.,School of Medicine Shandong University, Jinan 250012, Shandong, P.R. China
| | - Guangyi Fan
- BGI-Qingdao, BGI-Shenzhen, Qingdao 266555, P.R. China.,BGI-Shenzhen, Shenzhen 518083, P.R. China.,China National GeneBank, BGI-Shenzhen, Shenzhen 518120, P.R. China.,BGI-Fuyang, BGI-Shenzhen, Fuyang 236009, P.R. China
| | - Mingliang Gu
- Joint Laboratory for Translational Medicine Research, Liaocheng People's Hospital, Liaocheng 252000, Shandong, P.R. China
| | - Hongli Du
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, P.R. China
| | - Zhangyong Xia
- Department of Neurology, Liaocheng People's Hospital and Liaocheng Clinical School of Shandong First Medical University, Liaocheng 252000, Shandong, P.R. China.,School of Medicine Shandong University, Jinan 250012, Shandong, P.R. China
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10
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Mojbafan M, Bahmani R, Bagheri SD, Sharifi Z, Zeinali S. Mutational spectrum of autosomal recessive limb-girdle muscular dystrophies in a cohort of 112 Iranian patients and reporting of a possible founder effect. Orphanet J Rare Dis 2020; 15:14. [PMID: 31937337 PMCID: PMC6961257 DOI: 10.1186/s13023-020-1296-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [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: 09/01/2019] [Accepted: 01/05/2020] [Indexed: 11/10/2022] Open
Abstract
Background Limb-girdle muscular dystrophies are a group of genetically heterogeneous diseases that are inherited in both autosomal dominant (LGMDD) and autosomal recessive forms (LGMDR), the latter is more common especially in populations with high consanguineous marriages like Iran. In the present study, we aimed to investigate the genetic basis of patients who are suspicious of being affected by LGMDR. DNA samples of 60 families suspected of LGMD were extracted from their whole blood. Four short tandem repeat (STR) markers for each candidate genes related to LGMD R1 (calpain3 related)- R6 (δ-sarcoglycan-related) were selected, and all these 24 STRs were applied in two sets of multiplex PCR. After autozygosity mapping, Sanger sequencing and variant analysis were done. Predicting identified variants’ effect was performed using in-silico tools, and they were interpreted according to the American College of Medical Genomics and Genetics (ACMG) guideline. MLPA was used for those patients who had large deletions. Fresh muscle specimens were taken from subjects and were evaluated using the conventional panel of histochemical stains. Results forty out of sixty families showed homozygote haplotypes in CAPN3, DYSF, SGCA, and SGCB genes. The exons and intron-exon boundaries of the relevant genes were sequenced and totally 38 mutations including CAPN3 (n = 15), DYSF (n = 9), SGCB (n = 11), and SGCA (n = 3) were identified. Five out of them were novel. The most prevalent form of LGMDs in our study was calpainopathy followed by sarcoglycanopathy in which beta-sarcoglycanopathy was the most common form amongst them. Exon 2 deletion in the SGCB gene was the most frequent mutation in this study. We also reported evidence of a possible founder effect in families with mutations in DYSF and SGCB genes. We also detected a large consanguineous family suffered from calpainopathy who showed allelic heterogeneity. Conclusions This study can expand our knowledge about the genetic spectrum of LGMD in Iran, and also suggest the probable founder effects in some Iranian subpopulations which confirming it with more sample size can facilitate our genetic diagnosis and genetic counseling.
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Affiliation(s)
- Marzieh Mojbafan
- Department of Medical Genetics and Molecular Biology, Faculty of Medicine, Iran University of Medical Sciences (IUMS), Shahid Hemmat Highway, Tehran, Iran.,Department of Medical Genetics, Ali-Asghar Children's Hospital, Zafar St., Shahid Modarres Highway, Tehran, Iran
| | - Reza Bahmani
- Department of Medical Genetics and Molecular Biology, Faculty of Medicine, Iran University of Medical Sciences (IUMS), Shahid Hemmat Highway, Tehran, Iran.,Student Research Committee, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Samira Dabbagh Bagheri
- Dr. Zeinali's Medical Genetics Laboratory, Kawsar Human Genetics Research Center, Tehran, Iran
| | - Zohreh Sharifi
- Dr. Zeinali's Medical Genetics Laboratory, Kawsar Human Genetics Research Center, Tehran, Iran.,Department of Genetics, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Sirous Zeinali
- Dr. Zeinali's Medical Genetics Laboratory, Kawsar Human Genetics Research Center, Tehran, Iran. .,Department of Molecular Medicine, Biotechnology Research Center, Pasteur Institute of Iran, No. 69, Pasteur Ave, Tehran, Iran.
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11
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Strafella C, Caputo V, Pagliaroli G, Iozzo N, Campoli G, Carboni S, Peconi C, Galota RM, Zampatti S, Minozzi G, Novelli G, Giardina E, Cascella R. NGS Analysis for Molecular Diagnosis of Retinitis Pigmentosa (RP): Detection of a Novel Variant in PRPH2 Gene. Genes (Basel) 2019; 10:genes10100792. [PMID: 31614793 PMCID: PMC6826621 DOI: 10.3390/genes10100792] [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] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 10/04/2019] [Accepted: 10/11/2019] [Indexed: 02/07/2023] Open
Abstract
This work describes the application of NGS for molecular diagnosis of RP in a family with a history of severe hypovision. In particular, the proband received a clinical diagnosis of RP on the basis of medical, instrumental examinations and his family history. The proband was subjected to NGS, utilizing a customized panel including 24 genes associated with RP and other retinal dystrophies. The NGS analysis revealed a novel missense variant (c.668T > A, I223N) in PRPH2 gene, which was investigated by segregation and bioinformatic analysis. The variant is located in the D2 loop domain of PRPH2, which is critical for protein activity. Bioinformatic analysis described the c.668T > A as a likely pathogenic variant. Moreover, a 3D model prediction was performed to better characterize the impact of the variant on the protein, reporting a disruption of the α-helical structures. As a result, the variant protein showed a substantially different conformation with respect to the wild-type PRPH2. The identified variant may therefore affect the oligomerization ability of the D2 loop and, ultimately, hamper PRPH2 proper functioning and localization. In conclusion, PRPH2_c.668T > A provided a molecular explanation of RP symptomatology, highlighting the clinical utility of NGS panels to facilitate genotype-phenotype correlations.
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Affiliation(s)
- Claudia Strafella
- Molecular Genetics Laboratory UILDM, Santa Lucia Foundation, 00179 Rome, Italy.
- Department of Biomedicine and Prevention, Tor Vergata University, 00133 Rome, Italy.
| | - Valerio Caputo
- Department of Biomedicine and Prevention, Tor Vergata University, 00133 Rome, Italy.
| | - Giulia Pagliaroli
- Molecular Genetics Laboratory UILDM, Santa Lucia Foundation, 00179 Rome, Italy.
| | - Nicola Iozzo
- Organi di Senso Department, University "la Sapienza", 00161 Rome, Italy.
| | - Giulia Campoli
- Molecular Genetics Laboratory UILDM, Santa Lucia Foundation, 00179 Rome, Italy.
| | - Stefania Carboni
- Molecular Genetics Laboratory UILDM, Santa Lucia Foundation, 00179 Rome, Italy.
| | - Cristina Peconi
- Molecular Genetics Laboratory UILDM, Santa Lucia Foundation, 00179 Rome, Italy.
| | | | - Stefania Zampatti
- Molecular Genetics Laboratory UILDM, Santa Lucia Foundation, 00179 Rome, Italy.
| | - Giulietta Minozzi
- Department of Veterinary Medicine, University of Milan, 20122 Milan, Italy.
| | - Giuseppe Novelli
- Department of Biomedicine and Prevention, Tor Vergata University, 00133 Rome, Italy.
- Neuromed IRCSS, 86077 Pozzilli, Italy.
| | - Emiliano Giardina
- Molecular Genetics Laboratory UILDM, Santa Lucia Foundation, 00179 Rome, Italy.
- Department of Biomedicine and Prevention, Tor Vergata University, 00133 Rome, Italy.
| | - Raffaella Cascella
- Department of Biomedicine and Prevention, Tor Vergata University, 00133 Rome, Italy.
- Department of Biomedical Sciences, Catholic University Our Lady of Good Counsel, 1000 Tirana, Albania.
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