Advance in the Mechanism and Treatment of Lysosomal Storage Disorders

A special issue of Life (ISSN 2075-1729). This special issue belongs to the section "Medical Research".

Deadline for manuscript submissions: closed (15 August 2022) | Viewed by 3544

Special Issue Editor


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Guest Editor
Regional Coordinating Centre for Rare Diseases, University Hospital of Udine, 33100 Udine, Italy
Interests: rare metabolic diseases, lysosomal storage disorders, glycogen storage disorders, enzyme replacement therapy

Special Issue Information

Dear Colleagues,

Lysosomal storage disorders (LSDs) are inherited metabolic diseases usually caused by the deficiency of an enzyme, resulting in substrate accumulation. Clinical features vary among the disorders, but they all share a progressive course. The advent of enzyme replacement therapy (ERT) in the 1990s changed the natural history of Gaucher disease, the first treated LSD. Nowadays, many other ERTs are commercially available, but the morbidity and mortality of LSDs are still high. Current ERT has several limits: the enzymes are not able to cross the blood–brain barrier, it has poor efficacy in cases of late diagnosis, it has high costs, and it requires I.V. administration. Over the last few years, new therapeutic approaches involving small molecules, such as chaperone or substrate reduction therapies, have been approved. These drugs can be taken orally, but their efficacy and safety in the long term need to be demonstrated. New therapeutic frontiers are under study, including treatments for different LSDs, systems to potentiate ERT, approaches for neurological complications, and genetic therapies.

Given these developments, we invite researchers to contribute original studies, as well as review articles, addressing recent advances in the treatment of LSDs. Your ground-breaking research will contribute to the improvement of patients’ lives in the near future

Dr. Annalisa Sechi
Guest Editor

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Keywords

  • lysosomal storage disorders
  • enzyme replacement therapy
  • chaperone
  • substrate reduction therapy
  • genetic therapy

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Published Papers (2 papers)

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12 pages, 7581 KiB  
Article
Drug Repositioning Applied to Cardiovascular Disease in Mucopolysaccharidosis
by Gerda Cristal Villalba Silva, Thiago Steindorff, Roselena Silvestri Schuh, Natalia Cardoso Flores and Ursula Matte
Life 2022, 12(12), 2085; https://doi.org/10.3390/life12122085 - 12 Dec 2022
Cited by 1 | Viewed by 1755
Abstract
Mucopolysaccharidoses (MPS) are genetic metabolic diseases characterized by defects in the activity of lysosomal hydrolases. In MPS, secondary cell disturbance affects pathways related to cardiovascular disorders. Hence, the study aimed to identify MPS-related drugs targeting cardiovascular disease and select a list of drugs [...] Read more.
Mucopolysaccharidoses (MPS) are genetic metabolic diseases characterized by defects in the activity of lysosomal hydrolases. In MPS, secondary cell disturbance affects pathways related to cardiovascular disorders. Hence, the study aimed to identify MPS-related drugs targeting cardiovascular disease and select a list of drugs for repositioning. We obtained a list of differentially expressed genes and pathways. To identify drug perturbation-driven gene expression and drug pathways interactions, we used the CMAP and LINCS databases. For molecular docking, we used the DockThor web server. Our results suggest that pirfenidone and colchicine are promising drugs to treat cardiovascular disease in MPS patients. We also provide a brief description of good practices for the repositioning analysis. Furthermore, the list of drugs and related MPS-enriched genes could be helpful to new treatments and considered for pathophysiological studies. Full article
(This article belongs to the Special Issue Advance in the Mechanism and Treatment of Lysosomal Storage Disorders)
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8 pages, 2208 KiB  
Case Report
Simultaneous Bilateral Femoral Osteonecrosis in Gaucher Disease
by Daniel Cohen, Yadin Levy, Yaron Bar-Ziv, Shoshana Revel-Vilk, Ari Zimran and Ehud Lebel
Life 2023, 13(5), 1135; https://doi.org/10.3390/life13051135 - 6 May 2023
Viewed by 1465
Abstract
Gaucher disease (GD) is one of the most common lysosomal storage disorders. Bone complications are the most critical irreversible consequence of GD. Osteonecrosis (ON) of the femoral head inevitably leads to osteoarthritis and may be managed by hip arthroplasty. The introduction and worldwide [...] Read more.
Gaucher disease (GD) is one of the most common lysosomal storage disorders. Bone complications are the most critical irreversible consequence of GD. Osteonecrosis (ON) of the femoral head inevitably leads to osteoarthritis and may be managed by hip arthroplasty. The introduction and worldwide use of therapeutic agents (specifically enzyme replacement therapies (ERT)) lowered the prevalence of osteonecrosis events per patient. We present the cases of two female patients who sustained simultaneous bilateral femoral head osteonecrosis after receiving ERT for long periods while exposed to concomitant risk factors related to femoral head ON. Both patients suffered severe pain and deterioration of their daily activity capabilities, and thus, were offered bilateral hip arthroplasty. Surgery was performed in both hip joints during the same procedure. The current report highlights several key aspects of femoral head ON in young patients with GD. Full article
(This article belongs to the Special Issue Advance in the Mechanism and Treatment of Lysosomal Storage Disorders)
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