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Uribe-Carretero E, Rey V, Fuentes JM, Tamargo-Gómez I. Lysosomal Dysfunction: Connecting the Dots in the Landscape of Human Diseases. BIOLOGY 2024; 13:34. [PMID: 38248465 PMCID: PMC10813815 DOI: 10.3390/biology13010034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 12/22/2023] [Accepted: 01/02/2024] [Indexed: 01/23/2024]
Abstract
Lysosomes are the main organelles responsible for the degradation of macromolecules in eukaryotic cells. Beyond their fundamental role in degradation, lysosomes are involved in different physiological processes such as autophagy, nutrient sensing, and intracellular signaling. In some circumstances, lysosomal abnormalities underlie several human pathologies with different etiologies known as known as lysosomal storage disorders (LSDs). These disorders can result from deficiencies in primary lysosomal enzymes, dysfunction of lysosomal enzyme activators, alterations in modifiers that impact lysosomal function, or changes in membrane-associated proteins, among other factors. The clinical phenotype observed in affected patients hinges on the type and location of the accumulating substrate, influenced by genetic mutations and residual enzyme activity. In this context, the scientific community is dedicated to exploring potential therapeutic approaches, striving not only to extend lifespan but also to enhance the overall quality of life for individuals afflicted with LSDs. This review provides insights into lysosomal dysfunction from a molecular perspective, particularly in the context of human diseases, and highlights recent advancements and breakthroughs in this field.
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Affiliation(s)
- Elisabet Uribe-Carretero
- Departamento de Bioquímica y Biología Molecular y Genética, Facultad de Enfermería y Terapia Ocupacional, Universidad de Extremadura, 10003 Caceres, Spain; (E.U.-C.)
- Centro de Investigación Biomédica en Red en Enfermedades Neurodegenerativa, Instituto de Salud Carlos III (CIBER-CIBERNED-ISCIII), 28029 Madrid, Spain
- Instituto Universitario de Investigación Biosanitaria de Extremadura (INUBE), 10003 Caceres, Spain
| | - Verónica Rey
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), 33011 Oviedo, Spain
| | - Jose Manuel Fuentes
- Departamento de Bioquímica y Biología Molecular y Genética, Facultad de Enfermería y Terapia Ocupacional, Universidad de Extremadura, 10003 Caceres, Spain; (E.U.-C.)
- Centro de Investigación Biomédica en Red en Enfermedades Neurodegenerativa, Instituto de Salud Carlos III (CIBER-CIBERNED-ISCIII), 28029 Madrid, Spain
- Instituto Universitario de Investigación Biosanitaria de Extremadura (INUBE), 10003 Caceres, Spain
| | - Isaac Tamargo-Gómez
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), 33011 Oviedo, Spain
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Raj K, Berman-Booty L, Foureman P, Giger U. ARSB gene variants causing Mucopolysaccharidosis VI in Miniature Pinscher and Miniature Schnauzer dogs. Anim Genet 2020; 51:982-986. [PMID: 32985704 DOI: 10.1111/age.13005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/29/2020] [Indexed: 01/01/2023]
Abstract
Mucopolysaccharidosis (MPS) VI is a lysosomal storage disease caused by a deficiency of N-acetylgalactosamine-4-sulfatase, also called arylsulfatase B (ARSB, EC 3.1.6.12). Dogs with MPS VI show progressive predominantly oculoskeletal signs homologous to those in human and feline patients. We report herein two pathogenic ARSB gene variants in Miniature Pinscher and Miniature Schnauzer dogs with MPS VI and a genotyping survey in these breeds. All exons and adjacent regions of the ARSB gene were sequenced from three affected Miniature Pinschers and three affected Miniature Schnauzers. Allelic discrimination assays were used for genotyping. A missense variant (NM_001048133.1:c.910G>A) was found in exon 5 of MPS VI-affected Miniature Pinschers that is predicted to result in a deleterious amino acid substitution of a highly conserved glycine to arginine (NP_001041598.1:p.Gly304Arg). In MPS VI-affected Miniature Schnauzers, a 56 bp deletion (NM_001048133.1:c.-24_32del) was found at the junction of exon 1 and its upstream region, predicting no enzyme synthesis. All clinically affected Miniature Pinschers and Miniature Schnauzers were homozygous for the respective variants, and screened healthy dogs in each breed were either heterozygous or homozygous for the wt allele. Whereas the Miniature Pinscher variant seemed to occur commonly (0.133 allele frequency), the Miniature Schnauzer variant was presumed to be rare. In conclusion, two breed-specific pathogenic ARSB gene variants were identified in Miniature Pinscher and Miniature Schnauzer dogs with MPS VI, allowing for genotyping and informed breeding to prevent the production of affected offspring.
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Affiliation(s)
- K Raj
- Section of Medical Genetics (PennGen), School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA, 19104-6010, USA
| | - L Berman-Booty
- Section of Medical Genetics (PennGen), School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA, 19104-6010, USA
| | - P Foureman
- Section of Medical Genetics (PennGen), School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA, 19104-6010, USA
| | - U Giger
- Section of Medical Genetics (PennGen), School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA, 19104-6010, USA
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Puentes-Tellez MA, Lerma-Barbosa PA, Garzón-Jaramillo RG, Suarez DA, Espejo-Mojica AJ, Guevara JM, Echeverri OY, Solano-Galarza D, Uribe-Ardila A, Alméciga-Díaz CJ. A perspective on research, diagnosis, and management of lysosomal storage disorders in Colombia. Heliyon 2020; 6:e03635. [PMID: 32258481 PMCID: PMC7113438 DOI: 10.1016/j.heliyon.2020.e03635] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 02/21/2020] [Accepted: 03/18/2020] [Indexed: 11/29/2022] Open
Abstract
Lysosomal storage diseases (LSDs) are a group of about 50 inborn errors of metabolism characterized by the lysosomal accumulation of partially or non-degraded molecules due to mutations in proteins involved in the degradation of macromolecules, transport, lysosomal biogenesis or modulators of lysosomal environment. Significant advances have been achieved in the diagnosis, management, and treatment of LSDs patients. In terms of approved therapies, these include enzyme replacement therapy (ERT), substrate reduction therapy, hematopoietic stem cell transplantation, and pharmacological chaperone therapy. In this review, we summarize the Colombian experience in LSDs thorough the evidence published. We identified 113 articles published between 1995 and 2019 that included Colombian researchers or physicians, and which were mainly focused in Mucopolysaccharidoses, Pompe disease, Gaucher disease, Fabry disease, and Tay-Sachs and Sandhoff diseases. Most of these articles focused on basic research, clinical cases, and mutation reports. Noteworthy, implementation of the enzyme assay in dried blood samples, led to a 5-fold increase in the identification of LSD patients, suggesting that these disorders still remain undiagnosed in the country. We consider that the information presented in this review will contribute to the knowledge of a broad spectrum of LSDs in Colombia and will also contribute to the development of public policies and the identification of research opportunities.
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Affiliation(s)
- María Alejandra Puentes-Tellez
- Instituto de Errores Innatos del Metabolismo, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá D.C., Colombia
| | - Paula Andrea Lerma-Barbosa
- Instituto de Errores Innatos del Metabolismo, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá D.C., Colombia
| | | | - Diego A. Suarez
- Instituto de Errores Innatos del Metabolismo, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá D.C., Colombia
- Facultad de Medicina, Universidad Nacional de Colombia, Bogotá D.C., Colombia
| | - Angela J. Espejo-Mojica
- Instituto de Errores Innatos del Metabolismo, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá D.C., Colombia
| | - Johana M. Guevara
- Instituto de Errores Innatos del Metabolismo, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá D.C., Colombia
| | - Olga Yaneth Echeverri
- Instituto de Errores Innatos del Metabolismo, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá D.C., Colombia
| | - Daniela Solano-Galarza
- Instituto de Errores Innatos del Metabolismo, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá D.C., Colombia
| | - Alfredo Uribe-Ardila
- Research Center in Biochemistry, Universidad de los Andes, Bogotá D.C., Colombia
| | - Carlos J. Alméciga-Díaz
- Instituto de Errores Innatos del Metabolismo, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá D.C., Colombia
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Giraldo LJM, Arturo-Terranova D, Soto JMS. Otorhinolaryngological Findings in Patients from Southwestern Colombia with Clinical, Enzymatic and Molecular Diagnosis of Mucopolysaccharidosis II, IV-A and VI. JOURNAL OF INBORN ERRORS OF METABOLISM AND SCREENING 2020. [DOI: 10.1590/2326-4594-jiems-2019-0006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Affiliation(s)
- Lina Johanna Moreno Giraldo
- Universidad del Valle, Colombia; Universidad Santiago de Cali, Colombia; Universidad Libre, Colombia; Universidad del Valle, Colombia
| | | | - José María Satizábal Soto
- Universidad del Valle, Colombia; Universidad Santiago de Cali, Colombia; Universidad del Valle, Colombia
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Identification of arylsulfatase B gene mutations and clinical presentations of Iranian patients with Mucopolysaccharidosis VI. Gene 2019; 706:1-5. [PMID: 31009684 DOI: 10.1016/j.gene.2019.04.050] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2018] [Revised: 03/11/2019] [Accepted: 04/18/2019] [Indexed: 11/24/2022]
Abstract
BACKGROUND Mucopolysaccharidosis (MPS) type VI, also known as Maroteaux-Lamy syndrome, is an autosomal recessive lysosomal storage disorder caused by a deficiency in arylsulfatase B (ARSB) enzyme. Our objectives were to investigate clinical phenotypes and performed molecular studies in Iranian patients with MPS VI, for the first time, in the southwestern Iran. METHODS We studied 14 cases from 10 unrelated kindreds with MPS VI that were enrolled during 8 years. The mutational analysis of coding and flanking regions of ARSB gene was performed for the patients and their families using genomic DNA from whole blood by direct sequencing. RESULTS All cases had parental consanguinity. Except one who had Fars ethnicity and presented with a very mild degree of coarse face, but normal otherwise, even near normal height, all were from Arab ethnicity with characteristic phenotypes including severe facial changes, cardiac involvement and dysostosis multiplex. Sequencing analysis of ARSB gene revealed four pathogenic homozygote mutations, including a novel nonsense mutation c.281C>A (p.Ser94X) in 9 patients, as well as, a known nonsense mutation c.753C>G (p.Try251X) in 3 cases, and two missense mutations c.904G>A (p.Gly302Arg) and c.454C>T (p.Arg152Trp) in two cases. The type of mutations affected the severity patient's phenotypes. CONCLUSIONS These findings increased the genetic databases of Iranian patients with MPS VI and would be so much helpful for the high-risk families to speed the detection of carriers with accuracy and perform the prenatal test of disorder with cost-effective in this population.
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Kılıç M, Dursun A, Coşkun T, Tokatlı A, Özgül RK, Yücel-Yılmaz D, Karaca M, Doğru D, Alehan D, Kadayıfçılar S, Genç A, Turan-Dizdar H, Gönüldaş B, Savcı S, Sağlam M, Aksoy C, Arslan U, Sivri HS. Genotypic-phenotypic features and enzyme replacement therapy outcome in patients with mucopolysaccharidosis VI from Turkey. Am J Med Genet A 2017; 173:2954-2967. [PMID: 28884960 DOI: 10.1002/ajmg.a.38459] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Revised: 06/07/2017] [Accepted: 08/02/2017] [Indexed: 01/14/2023]
Abstract
Mucopolysaccharidosis type VI (MPS VI) is a lysosomal storage disorder (LSD) characterized by a chronic, progressive course with multiorgan involvement. In our study, clinical, biochemical, molecular findings, and response to enzyme replacement therapy (ERT) for at least 6 months were evaluated in 20 patients with MPS VI. Treatment effects on clinical findings such as liver and spleen sizes, cardiac and respiratory parameters, visual and auditory changes, joints' range of motions, endurance tests and changes in urinary glycosaminoglycan excretions, before and after ERT were analyzed. ERT caused increased physical endurance and decreased urinary dermatan sulfate/chondroitin sulfate ratios. Changes in growth parameters, cardiac, respiratory, visual, auditory findings, and joint mobility were not significant. All patients and parents reported out an increased quality of life, which were not correlated with clinical results. The most prevalent mutation was p.L321P, accounting for 58.8% of the mutant alleles and two novel mutations (p.G79E and p.E390 K) were found. ERT was a safe but expensive treatment for MPS VI, with mild benefits in severely affected patients. Early treatment with ERT is mandatory before many organs and systems are involved.
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Affiliation(s)
- Mustafa Kılıç
- Sami Ulus Children Hospital, Division of Metabolism, Ankara, Turkey
| | - Ali Dursun
- Hacettepe University Children Hospital, Division of Metabolism, Ankara, Turkey
| | - Turgay Coşkun
- Hacettepe University Children Hospital, Division of Metabolism, Ankara, Turkey
| | - Ayşegül Tokatlı
- Hacettepe University Children Hospital, Division of Metabolism, Ankara, Turkey
| | - Rıza K Özgül
- Hacettepe University Children Hospital, Division of Metabolism, Ankara, Turkey
| | - Didem Yücel-Yılmaz
- Hacettepe University Children Hospital, Division of Metabolism, Ankara, Turkey
| | - Mehmet Karaca
- Faculty of Science and Arts, Department of Biology, Aksaray University, Aksaray, Turkey
| | - Deniz Doğru
- Hacettepe University Children Hospital, Division of Pediatric Pulmonology, Ankara, Turkey
| | - Dursun Alehan
- Hacettepe University Children Hospital, Division of Pediatric Cardiology, Ankara, Turkey
| | - Sibel Kadayıfçılar
- Faculty of Medicine, Department of Ophthalmology, Hacettepe University, Ankara, Turkey
| | - Aydan Genç
- Faculty of Medicine, Department of Ear Nose Throat, Division of Audiology, Hacettepe University, Ankara, Turkey
| | - Handan Turan-Dizdar
- Faculty of Medicine, Department of Ear Nose Throat, Division of Audiology, Hacettepe University, Ankara, Turkey
| | - Burhanettin Gönüldaş
- Faculty of Medicine, Department of Ear Nose Throat, Hacettepe University, Ankara, Turkey
| | - Sema Savcı
- Faculty of Health Sciences, Department of Physiotheraphy and Rehabilitation, Hacettepe University, Ankara, Turkey
| | - Melda Sağlam
- Faculty of Health Sciences, Department of Physiotheraphy and Rehabilitation, Hacettepe University, Ankara, Turkey
| | - Cemalettin Aksoy
- Faculty of Medicine, Department of Orthopaedics and Traumatology, Hacettepe University, Ankara, Turkey
| | - Umut Arslan
- Faculty of Medicine, Department of Biostatistics, Hacettepe University, Ankara, Turkey
| | - Hatice-Serap Sivri
- Hacettepe University Children Hospital, Division of Metabolism, Ankara, Turkey
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Guio JA, AdolfoGiraldo-Ospina G. Impact of Enzyme Replacement Therapy in a Patient Younger Than 2 Years Diagnosed With Maroteaux-Lamy Syndrome (MPS VI). JOURNAL OF INBORN ERRORS OF METABOLISM AND SCREENING 2017. [DOI: 10.1177/2326409817718849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Affiliation(s)
- Johanna Acosta Guio
- Instituto de Ortopedia Infantil Roosevelt, Bogotá, Colombia
- Instituto de Genética, Universidad Nacional, Bogotá, Colombia
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