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Wiśniewska K, Wolski J, Żabińska M, Szulc A, Gaffke L, Pierzynowska K, Węgrzyn G. Mucopolysaccharidosis Type IIIE: A Real Human Disease or a Diagnostic Pitfall? Diagnostics (Basel) 2024; 14:1734. [PMID: 39202222 PMCID: PMC11353205 DOI: 10.3390/diagnostics14161734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2024] [Revised: 08/06/2024] [Accepted: 08/08/2024] [Indexed: 09/03/2024] Open
Abstract
Mucopolysaccharidoses (MPS) comprise a group of 12 metabolic disorders where defects in specific enzyme activities lead to the accumulation of glycosaminoglycans (GAGs) within lysosomes. This classification expands to 13 when considering MPS IIIE. This type of MPS, associated with pathogenic variants in the ARSG gene, has thus far been described only in the context of animal models. However, pathogenic variants in this gene also occur in humans, but are linked to a different disorder, Usher syndrome (USH) type IV, which is sparking increasing debate. This paper gathers, discusses, and summarizes arguments both for and against classifying dysfunctions of arylsulfatase G (due to pathogenic variants in the ARSG gene) in humans as another subtype of MPS, called MPS IIIE. Specific difficulties in diagnostics and the classification of some inherited metabolic diseases are also highlighted and discussed.
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Affiliation(s)
- Karolina Wiśniewska
- Department of Molecular Biology, Faculty of Biology, University of Gdansk, Wita Stwosza 59, 80-308 Gdansk, Poland; (K.W.); (M.Ż.); (A.S.); (L.G.); (K.P.)
| | - Jakub Wolski
- Psychiatry Ward, 7th Navy Hospital in Gdansk, Polanki 117, 80-305 Gdansk, Poland;
| | - Magdalena Żabińska
- Department of Molecular Biology, Faculty of Biology, University of Gdansk, Wita Stwosza 59, 80-308 Gdansk, Poland; (K.W.); (M.Ż.); (A.S.); (L.G.); (K.P.)
| | - Aneta Szulc
- Department of Molecular Biology, Faculty of Biology, University of Gdansk, Wita Stwosza 59, 80-308 Gdansk, Poland; (K.W.); (M.Ż.); (A.S.); (L.G.); (K.P.)
| | - Lidia Gaffke
- Department of Molecular Biology, Faculty of Biology, University of Gdansk, Wita Stwosza 59, 80-308 Gdansk, Poland; (K.W.); (M.Ż.); (A.S.); (L.G.); (K.P.)
| | - Karolina Pierzynowska
- Department of Molecular Biology, Faculty of Biology, University of Gdansk, Wita Stwosza 59, 80-308 Gdansk, Poland; (K.W.); (M.Ż.); (A.S.); (L.G.); (K.P.)
| | - Grzegorz Węgrzyn
- Department of Molecular Biology, Faculty of Biology, University of Gdansk, Wita Stwosza 59, 80-308 Gdansk, Poland; (K.W.); (M.Ż.); (A.S.); (L.G.); (K.P.)
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Rintz E, Ziemian M, Kobus B, Gaffke L, Pierzynowska K, Wegrzyn G. Synergistic effects of resveratrol and enzyme replacement therapy in the Mucopolysaccharidosis type I. Biochem Pharmacol 2024; 229:116467. [PMID: 39111602 DOI: 10.1016/j.bcp.2024.116467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 08/02/2024] [Accepted: 08/03/2024] [Indexed: 08/13/2024]
Abstract
Mucopolysaccharidosis type I (MPS I) is a rare genetic disorder caused by mutations in the IDUA gene, leading to alpha-L-iduronidase enzyme deficiency and resulting in the accumulation of glycosaminoglycans (GAG; heparan and dermatan sulfate) in lysosomes. The consequent GAG accumulation within cells leads to organ dysfunction and a range of debilitating symptoms. Enzyme replacement therapy (ERT) is the prevailing treatment, but its limitations (including high cost, time requirements, inefficiency in treatment of central nervous system (CNS), and immunogenicity) necessitate exploration of alternative therapeutic strategies. This research propose a novel approach leveraging the synergistic effects of ERT and resveratrol-induced autophagy. Resveratrol, with its immunomodulatory and GAG degradation-stimulating properties, holds a promise in mitigating immune responses triggered by ERT. Moreover, its ability to penetrate the blood-brain barrier presents a potential solution for addressing CNS manifestations. This study employed cells from MPS I patients to investigate the combined effects of resveratrol and the enzyme. Evaluation of the therapeutic impact involved assessing GAG accumulation, enzyme testing, and examining lysosome functionality and the autophagy process through fluorescence microscopy and Western blotting. The combined therapy stimulated the lysosomal mannose-6-phosphate receptor (M6PR) and lysosome biogenesis through the transcription factor EB (TFEB). Additionally, initial block of autophagy in autophagosome formation was relieved after the combined therapy and resveratrol alone. Together with increased enzyme activity through stimulation of the receptor, this synergistic therapy can be considered a new potential treatment for MPS I patients, improving their overall quality of life.
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Affiliation(s)
- Estera Rintz
- Department of Molecular Biology, Faculty of Biology, University of Gdansk, Wita Stwosza 59, 80-308 Gdansk, Poland.
| | - Maja Ziemian
- Department of Molecular Biology, Faculty of Biology, University of Gdansk, Wita Stwosza 59, 80-308 Gdansk, Poland
| | - Barbara Kobus
- Department of Molecular Biology, Faculty of Biology, University of Gdansk, Wita Stwosza 59, 80-308 Gdansk, Poland
| | - Lidia Gaffke
- Department of Molecular Biology, Faculty of Biology, University of Gdansk, Wita Stwosza 59, 80-308 Gdansk, Poland
| | - Karolina Pierzynowska
- Department of Molecular Biology, Faculty of Biology, University of Gdansk, Wita Stwosza 59, 80-308 Gdansk, Poland
| | - Grzegorz Wegrzyn
- Department of Molecular Biology, Faculty of Biology, University of Gdansk, Wita Stwosza 59, 80-308 Gdansk, Poland
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Liao R, Geng R, Yang Y, Xue Y, Chen L, Chen L. The top 100 most cited articles on mucopolysaccharidoses: a bibliometric analysis. Front Genet 2024; 15:1377743. [PMID: 38680422 PMCID: PMC11045982 DOI: 10.3389/fgene.2024.1377743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2024] [Accepted: 03/29/2024] [Indexed: 05/01/2024] Open
Abstract
Background: Bibliometrics can trace general research trends in a particular field. Mucopolysaccharidoses (MPS), as a group of rare genetic diseases, seriously affect the quality of life of patients and their families. Scholars have devoted themselves to studying MPS's pathogenesis and treatment modalities and have published many papers. Therefore, we conducted a bibliometric and visual study of the top 100 most highly cited articles to provide researchers with an indication of the current state of research and potential directions in the field. Methods: The Web of Science Core Collection was searched for articles on MPS from 1 January 1900, to 8 November 2023, and the top 100 most cited articles were screened. The title, year of publication, institution, country, and first author of the articles were extracted and statistically analyzed using Microsoft Excel 2007. Keyword co-occurrence and collaborative networks were analyzed using VOSviewer 1.6.16. Results: A total of 9,273 articles were retrieved, and the top 100 most cited articles were filtered out. The articles were cited 18,790 times, with an annual average of 188 citations (122-507). Forty-two journals published these articles, with Molecular Genetics and Metabolism and Proceedings of the National Academy of Sciences of the United States being the most published journal (N = 8), followed by Pediatrics (N = 7), Blood (N = 6). The United States (N = 68), the UK (N = 25), and Germany (N = 20) were the top contributing countries. The Royal Manchester Children's Hospital (N = 20) and the University of North Carolina (N = 18) were the most contributing institutions. Muenzer J was the most prolific author (N = 14). Conclusion: We conducted a bibliometric and visual analysis of the top 100 cited articles in MPS. This study identifies the most influential articles currently available in the field of MPS, which provides a good basis for a better understanding of the disease and informs future research directions.
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Affiliation(s)
| | | | | | | | | | - Lan Chen
- Department of Orthopedics, The Third People’s Hospital of Chengdu, Chengdu, China
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Ago Y, Rintz E, Musini KS, Ma Z, Tomatsu S. Molecular Mechanisms in Pathophysiology of Mucopolysaccharidosis and Prospects for Innovative Therapy. Int J Mol Sci 2024; 25:1113. [PMID: 38256186 PMCID: PMC10816168 DOI: 10.3390/ijms25021113] [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: 12/11/2023] [Revised: 01/09/2024] [Accepted: 01/10/2024] [Indexed: 01/24/2024] Open
Abstract
Mucopolysaccharidoses (MPSs) are a group of inborn errors of the metabolism caused by a deficiency in the lysosomal enzymes required to break down molecules called glycosaminoglycans (GAGs). These GAGs accumulate over time in various tissues and disrupt multiple biological systems, including catabolism of other substances, autophagy, and mitochondrial function. These pathological changes ultimately increase oxidative stress and activate innate immunity and inflammation. We have described the pathophysiology of MPS and activated inflammation in this paper, starting with accumulating the primary storage materials, GAGs. At the initial stage of GAG accumulation, affected tissues/cells are reversibly affected but progress irreversibly to: (1) disruption of substrate degradation with pathogenic changes in lysosomal function, (2) cellular dysfunction, secondary/tertiary accumulation (toxins such as GM2 or GM3 ganglioside, etc.), and inflammatory process, and (3) progressive tissue/organ damage and cell death (e.g., skeletal dysplasia, CNS impairment, etc.). For current and future treatment, several potential treatments for MPS that can penetrate the blood-brain barrier and bone have been proposed and/or are in clinical trials, including targeting peptides and molecular Trojan horses such as monoclonal antibodies attached to enzymes via receptor-mediated transport. Gene therapy trials with AAV, ex vivo LV, and Sleeping Beauty transposon system for MPS are proposed and/or underway as innovative therapeutic options. In addition, possible immunomodulatory reagents that can suppress MPS symptoms have been summarized in this review.
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Affiliation(s)
- Yasuhiko Ago
- Nemours Children’s Health, 1600 Rockland Rd., Wilmington, DE 19803, USA; (Y.A.); (K.S.M.); (Z.M.)
| | - Estera Rintz
- Department of Molecular Biology, Faculty of Biology, University of Gdansk, 80-308 Gdansk, Poland;
| | - Krishna Sai Musini
- Nemours Children’s Health, 1600 Rockland Rd., Wilmington, DE 19803, USA; (Y.A.); (K.S.M.); (Z.M.)
- Department of Biological Sciences, University of Delaware, Newark, DE 19716, USA
| | - Zhengyu Ma
- Nemours Children’s Health, 1600 Rockland Rd., Wilmington, DE 19803, USA; (Y.A.); (K.S.M.); (Z.M.)
| | - Shunji Tomatsu
- Nemours Children’s Health, 1600 Rockland Rd., Wilmington, DE 19803, USA; (Y.A.); (K.S.M.); (Z.M.)
- Department of Biological Sciences, University of Delaware, Newark, DE 19716, USA
- Department of Pediatrics, Graduate School of Medicine, Gifu University, Gifu 501-1112, Japan
- Department of Pediatrics, Thomas Jefferson University, Philadelphia, PA 19144, USA
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Nosier SS, El Nakeeb SMS, Ibrahim MM, El-Gammal M, Fateen EM. Biochemical diagnosis of Sanfilippo disorder types A and B. J Genet Eng Biotechnol 2023; 21:112. [PMID: 37947910 PMCID: PMC10638229 DOI: 10.1186/s43141-023-00586-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 11/01/2023] [Indexed: 11/12/2023]
Abstract
BACKGROUND One of the 11 recognized mucopolysaccharidosis (MPS) diseases is Sanfilippo. It is autosomal recessive in its mode of transmission. There are four subtypes of Sanfilippo (A, B, C, and D). The most worldwide prevalent subtypes of mucopolysaccharidosis type III (MPS III) are A and B followed by C and D subtypes. To estimate the frequency of MPS IIIA among MPS III patients, we diagnose and compare their clinical features with those of MPS IIIB and also compare the prevalence of MPS IIIB versus MPS IIIA among diagnosed cases at the Biochemical Genetic Department at NRC. For every case that was referred, the quantitative determination of urine Glycosaminoglycans (GAGs) was assessed. Two-dimensional electrophoresis (2DE) of GAGs extracted from urine was performed on all cases with high urinary GAG levels. Both N-sulphoglucosamine sulphohydrolase (MPS IIIA) and N-alpha-acetylglucosaminidase (MPS IIIB) enzyme activity were determined fluorometrically. RESULTS From November 2019 to May 2022, 535 cases were referred to the National Research Centre's Biochemical Genetics Department. 233 (43%) MPS cases were diagnosed with high urinary GAG levels for their ages. 73 (31.3%) MPS III cases were diagnosed by 2DE out of the 233 MPS cases. Plasma N-alpha-acetylglucosaminidase enzyme assay was insufficient in 36 (49.3%) patients (Sanfilippo type B), while N-sulphoglucosamine sulphohydrolase enzyme activity was deficient in 15 (20.6%) patients. The other 22 (30.1%) patients are either Sanfilippo type C or D. CONCLUSION N-sulphoglucosamine sulphohydrolase enzyme activity was measured for the first time in Egypt. Thirty-one percent of all diagnosed MPS cases during the last 3 years were MPS type III, making Sanfilippo the most common MPS type among the referred cases to our Biochemical Genetics Department. MPS IIIA accounts for 20.6% of MPSIII cases in this study. Still, MPS type IIIB is the commonest type among diagnosed patients.
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Affiliation(s)
- Soha S Nosier
- Biochemical Genetics Department, Human Genetic and Genome Research Institute, National Research Centre, Cairo, Egypt.
| | - Seham M S El Nakeeb
- Medical Biochemistry Department, Faculty of Medicine (for Girls), Al-Azhar University, Cairo, Egypt
| | - Mona M Ibrahim
- Biochemical Genetics Department, Human Genetic and Genome Research Institute, National Research Centre, Cairo, Egypt
| | - Mona El-Gammal
- Clinical Genetics Department, Human Genetic and Genome Research Institute, National Research Centre, Cairo, Egypt
| | - Ekram M Fateen
- Biochemical Genetics Department, Human Genetic and Genome Research Institute, National Research Centre, Cairo, Egypt
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Gaffke L, Firyn N, Rintz E, Pierzynowska K, Piotrowska E, Mazur-Marzec H, Węgrzyn G. Therapeutic potential of lithium chloride and valproic acid against neuronopathic types of mucopolysaccharidoses through induction of the autophagy process. Arch Biochem Biophys 2023; 747:109754. [PMID: 37708928 DOI: 10.1016/j.abb.2023.109754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 07/17/2023] [Accepted: 09/11/2023] [Indexed: 09/16/2023]
Abstract
Mucopolysaccharidoses (MPS) are a group of inherited disorders, caused by mutations in the genes coding for proteins involved (directly or indirectly) in glycosaminoglycan (GAG) degradation. A lack or drastically decreased residual activity of a GAG-degrading enzyme leads to the storage of these compounds, thus damaging proper functions of different cells, including neurons. The disease leads to serious psycho-motor dysfunctions and death before reaching the adulthood. Until now, induction of the autophagy process was considered as one of the therapeutic strategies for treatment of diseases caused by protein aggregation (Alzheimer's, Parkinson's, and Huntington's diseases). However, this strategy has only been recently suggested as a potential therapy for MPS. In this work, we show that the pharmacological stimulation of autophagy, by using valproic acid and lithium chloride, led to accelerated degradation of accumulated GAGs. Cytotoxicity tests indicated the safety of the use of the investigated compounds. We observed an increased number of lysosomes and enhanced degradation of heparan sulfate (one of GAGs). Induction of the autophagy process was confirmed by measuring abundance of the marker proteins, including LC3-II. Moreover, inhibition of this process resulted in abolition of the valproic acid- and LiCl-mediated reduction in GAG levels. This is the first report on the possibility of using valproic acid and lithium chloride for reducing levels of GAGs in neuronopathic forms of MPS.
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Affiliation(s)
- Lidia Gaffke
- Department of Molecular Biology, Faculty of Biology, University of Gdańsk, Wita Stwosza 59, 80-308, Gdańsk, Poland.
| | - Natalia Firyn
- Department of Molecular Biology, Faculty of Biology, University of Gdańsk, Wita Stwosza 59, 80-308, Gdańsk, Poland
| | - Estera Rintz
- Department of Molecular Biology, Faculty of Biology, University of Gdańsk, Wita Stwosza 59, 80-308, Gdańsk, Poland
| | - Karolina Pierzynowska
- Department of Molecular Biology, Faculty of Biology, University of Gdańsk, Wita Stwosza 59, 80-308, Gdańsk, Poland
| | - Ewa Piotrowska
- Department of Molecular Biology, Faculty of Biology, University of Gdańsk, Wita Stwosza 59, 80-308, Gdańsk, Poland
| | - Hanna Mazur-Marzec
- Department of Marine Biology and Biotechnology, Faculty of Oceanography and Geography, University of Gdańsk, Piłsudskiego 46, 81-378, Gdynia, Poland
| | - Grzegorz Węgrzyn
- Department of Molecular Biology, Faculty of Biology, University of Gdańsk, Wita Stwosza 59, 80-308, Gdańsk, Poland
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Yamada F, Mori E, Yamaoka I. Methionine supplementation spares body protein by regulating the expression of mTORC1 downstream factors in rats fed a soy protein diet with sufficient sulfur amino acids: a pilot study. Amino Acids 2023; 55:1039-1048. [PMID: 37326859 DOI: 10.1007/s00726-023-03291-4] [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: 11/07/2022] [Accepted: 06/05/2023] [Indexed: 06/17/2023]
Abstract
Dietary supplementation with methionine and threonine spares body protein in rats fed a low protein diet, but the effect is not observed for other essential amino acids. Although the requirement for sulfur amino acids is relatively high in rodents, the precise mechanisms underlying protein retention are not fully understood. The aim of this study was to explore whether the activation of mammalian target of rapamycin complex 1 (mTORC1) downstream factors in skeletal muscle by supplementation with threonine and/or methionine contributes to protein retention under sufficient cystine requirement. Male Sprague-Dawley rats were freely fed a 0% protein diet for 2 weeks. These experimental rats were then fed a restricted diet (14.5 g/day) containing 12% soy protein supplemented with both cystine and, methionine and threonine (MT), methionine (M), threonine (T), or neither (NA) (n = 8) for an additional 12 days. Two additional groups were freely fed a diet containing 0% protein or 20% casein as controls (n = 6). Body weight and gastrocnemius muscle weight were higher, and blood urea nitrogen and urinary nitrogen excretion were lower, in the M and MT groups than in the T and NA groups, respectively. p70 S6 kinase 1 abundance was higher, and eukaryotic translation initiation factor 4E-binding protein 1 abundance and mRNA levels were lower, in the skeletal muscles of the M and MT groups. These results suggest that methionine regulates mTORC1 downstream factors in skeletal muscle, leading to spare body protein in rats fed a low protein diet meeting cystine requirements.
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Affiliation(s)
- Fumiyo Yamada
- OS-1 Division, Medical Foods Research Institute, Otsuka Pharmaceutical Factory, Inc., 115 Kuguhara, Tateiwa, Muya-Cho, Naruto, Tokushima, 772-8601, Japan.
| | - Erika Mori
- OS-1 Division, Medical Foods Research Institute, Otsuka Pharmaceutical Factory, Inc., 115 Kuguhara, Tateiwa, Muya-Cho, Naruto, Tokushima, 772-8601, Japan
| | - Ippei Yamaoka
- OS-1 Division, Medical Foods Research Institute, Otsuka Pharmaceutical Factory, Inc., 115 Kuguhara, Tateiwa, Muya-Cho, Naruto, Tokushima, 772-8601, Japan
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