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Chu R, Wang Y, Kong J, Pan T, Yang Y, He J. Lipid nanoparticles as the drug carrier for targeted therapy of hepatic disorders. J Mater Chem B 2024; 12:4759-4784. [PMID: 38682294 DOI: 10.1039/d3tb02766j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/01/2024]
Abstract
The liver, a complex and vital organ in the human body, is susceptible to various diseases, including metabolic disorders, acute hepatitis, cirrhosis, and hepatocellular carcinoma. In recent decades, these diseases have significantly contributed to global morbidity and mortality. Currently, liver transplantation remains the most effective treatment for hepatic disorders. Nucleic acid therapeutics offer a selective approach to disease treatment through diverse mechanisms, enabling the regulation of relevant genes and providing a novel therapeutic avenue for hepatic disorders. It is expected that nucleic acid drugs will emerge as the third generation of pharmaceuticals, succeeding small molecule drugs and antibody drugs. Lipid nanoparticles (LNPs) represent a crucial technology in the field of drug delivery and constitute a significant advancement in gene therapies. Nucleic acids encapsulated in LNPs are shielded from the degradation of enzymes and effectively delivered to cells, where they are released and regulate specific genes. This paper provides a comprehensive review of the structure, composition, and applications of LNPs in the treatment of hepatic disorders and offers insights into prospects and challenges in the future development of LNPs.
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Affiliation(s)
- Runxuan Chu
- National Advanced Medical Engineering Research Center, China State Institute of Pharmaceutical Industry, 285 Gebaini Road, Shanghai 201203, P. R. China.
| | - Yi Wang
- Department of Chemistry, Hong Kong Baptist University, Kowloon Tung, Hong Kong SAR, P. R. China.
| | - Jianglong Kong
- Department of Chemistry, Hong Kong Baptist University, Kowloon Tung, Hong Kong SAR, P. R. China.
| | - Ting Pan
- National Advanced Medical Engineering Research Center, China State Institute of Pharmaceutical Industry, 285 Gebaini Road, Shanghai 201203, P. R. China.
- Department of Pharmaceutics School of Pharmacy, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Yani Yang
- National Advanced Medical Engineering Research Center, China State Institute of Pharmaceutical Industry, 285 Gebaini Road, Shanghai 201203, P. R. China.
| | - Jun He
- National Advanced Medical Engineering Research Center, China State Institute of Pharmaceutical Industry, 285 Gebaini Road, Shanghai 201203, P. R. China.
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Bakalakos A, Monda E, Elliott PM. The Diagnostic and Therapeutic Implications of Phenocopies and Mimics of Hypertrophic Cardiomyopathy. Can J Cardiol 2024; 40:754-765. [PMID: 38447917 DOI: 10.1016/j.cjca.2024.02.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 02/29/2024] [Accepted: 02/29/2024] [Indexed: 03/08/2024] Open
Abstract
Hypertrophic cardiomyopathy (HCM) is a common myocardial disease defined by increased left ventricular wall thickness unexplained by loading conditions. HCM frequently is caused by pathogenic variants in sarcomeric protein genes, but several other syndromic, metabolic, infiltrative, and neuromuscular diseases can result in HCM phenocopies. This review summarizes the current understanding of these HCM mimics, highlighting their importance across the life course. The central role of a comprehensive, multiparametric diagnostic approach and the potential of precision medicine in tailoring treatment strategies are emphasized.
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Affiliation(s)
- Athanasios Bakalakos
- Institute of Cardiovascular Science, University College London, London, United Kingdom
| | - Emanuele Monda
- Institute of Cardiovascular Science, University College London, London, United Kingdom; Department of Translational Medical Sciences, Inherited and Rare Cardiovascular Diseases, University of Campania "Luigi Vanvitelli," Naples, Italy
| | - Perry Mark Elliott
- Institute of Cardiovascular Science, University College London, London, United Kingdom.
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Besford QA. The sweetest polymer nanoparticles: opportunities ahead for glycogen in nanomedicine. SOFT MATTER 2024; 20:3577-3584. [PMID: 38629336 DOI: 10.1039/d4sm00261j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2024]
Abstract
Most cells take simple sugar (α-D-glucose) and assemble it into highly dense polysaccharide nanoparticles called glycogen. This is achieved through the action of multiple coupled-enzymatic reactions, yielding the cellular store of polymerised glucose to be degraded in times of metabolic need. These nanoparticles can be readily isolated from various animal tissues and plants, and are commercially available on a large scale. Importantly, glycogen is highly water soluble, non-toxic, low-fouling, and biodegradable, making it an attractive nanoparticle for use in nanomedicine, for both diagnosing and treating disease. This concept has been pursued actively recently, with exciting results on a variety of fronts, especially for targeting specific tissues and delivering nucleic acid and peptide cargo. In this perspective, the role of glycogen in nanomedicine going forward is discussed, with opportunities highlighted of where these sugary nanoparticles fit into the problem of treating disease.
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Affiliation(s)
- Quinn A Besford
- Leibniz-Institut für Polymerforschung Dresden e.V., Hohe Str. 6, Dresden 01069, Germany.
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de Marchi R, Nalin T, Sperb-Ludwig F, Pinheiro FC, Schwartz IVD, Steiner CE. Glycogen Storage Disease: Expert Opinion on Clinical Diagnosis Revisited after Molecular Testing. Genes (Basel) 2023; 14:2219. [PMID: 38137041 PMCID: PMC10743078 DOI: 10.3390/genes14122219] [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: 10/23/2023] [Revised: 12/12/2023] [Accepted: 12/12/2023] [Indexed: 12/24/2023] Open
Abstract
This study sought to analyze whether an accurate diagnosis of the type and subtype of hepatic Glycogen Storage Diseases (GSDs) could be performed based on general clinical and biochemical aspects via comparing the proposed diagnostic hypotheses with the molecular results. Twelve physicians with experience in hepatic GSDs reviewed 45 real cases comprising a standardized summary of clinical and laboratory data. There was no relation between the hit rate and the time since graduation, the time of experience in GSD, and the number of patients treated during their careers. The average assertiveness was 47%, with GSD Ia and Ib being the best-identified types, while no expert correctly identified GSD IXc. Underage investigation for later manifestations, incomplete clinical description, and complementary analysis, the overvaluation of a specific clinical finding ("false positive") or the discarding of the diagnosis in the absence of it ("false negative"), as well as the lack of knowledge of the rarest GSD types, may have impacted the accuracy of the assessment. This study emphasized that characteristics considered as determinants in identifying the specific types or subtypes of GSD are not exclusive, thus becoming factors that may have induced the evaluators to misdiagnose.
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Affiliation(s)
- Rafael de Marchi
- Genética Médica e Medicina Genômica, Departamento de Medicina Translacional, Faculdade de Ciências Médicas, Universidade Estadual de Campinas (Unicamp), Campinas 13083-970, SP, Brazil;
| | - Tatiele Nalin
- Departamento de Genética, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre 90010-150, RS, Brazil; (T.N.); (F.C.P.); (I.V.D.S.)
| | - Fernanda Sperb-Ludwig
- Departamento de Genética, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre 90010-150, RS, Brazil; (T.N.); (F.C.P.); (I.V.D.S.)
- Laboratório BRAIN, Hospital de Clínicas de Porto Alegre, Porto Alegre 90035-903, RS, Brazil
- Programa de Pós-Graduação em Genética e Biologia Molecular, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre 90010-150, RS, Brazil
| | - Franciele Cabral Pinheiro
- Departamento de Genética, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre 90010-150, RS, Brazil; (T.N.); (F.C.P.); (I.V.D.S.)
| | - Ida Vanessa Doederlein Schwartz
- Departamento de Genética, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre 90010-150, RS, Brazil; (T.N.); (F.C.P.); (I.V.D.S.)
- Programa de Pós-Graduação em Genética e Biologia Molecular, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre 90010-150, RS, Brazil
| | - Carlos Eduardo Steiner
- Genética Médica e Medicina Genômica, Departamento de Medicina Translacional, Faculdade de Ciências Médicas, Universidade Estadual de Campinas (Unicamp), Campinas 13083-970, SP, Brazil;
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Goldstein JL, McGlaughon J, Kanavy D, Goomber S, Pan Y, Deml B, Donti T, Kearns L, Seifert BA, Schachter M, Son RG, Thaxton C, Udani R, Bali D, Baudet H, Caggana M, Hung C, Kyriakopoulou L, Rosenblum L, Steiner R, Pinto E Vairo F, Wang Y, Watson M, Fernandez R, Weaver M, Clarke L, Rehder C. Variant Classification for Pompe disease; ACMG/AMP specifications from the ClinGen Lysosomal Diseases Variant Curation Expert Panel. Mol Genet Metab 2023; 140:107715. [PMID: 37907381 PMCID: PMC10872922 DOI: 10.1016/j.ymgme.2023.107715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Revised: 10/24/2023] [Accepted: 10/24/2023] [Indexed: 11/02/2023]
Abstract
Accurate determination of the clinical significance of genetic variants is critical to the integration of genomics in medicine. To facilitate this process, the NIH-funded Clinical Genome Resource (ClinGen) has assembled Variant Curation Expert Panels (VCEPs), groups of experts and biocurators which provide gene- and disease- specifications to the American College of Medical Genetics & Genomics and Association for Molecular Pathology's (ACMG/AMP) variation classification guidelines. With the goal of classifying the clinical significance of GAA variants in Pompe disease (Glycogen storage disease, type II), the ClinGen Lysosomal Diseases (LD) VCEP has specified the ACMG/AMP criteria for GAA. Variant classification can play an important role in confirming the diagnosis of Pompe disease as well as in the identification of carriers. Furthermore, since the inclusion of Pompe disease on the Recommended Uniform Screening Panel (RUSP) for newborns in the USA in 2015, the addition of molecular genetic testing has become an important component in the interpretation of newborn screening results, particularly for asymptomatic individuals. To date, the LD VCEP has submitted classifications and supporting data on 243 GAA variants to public databases, specifically ClinVar and the ClinGen Evidence Repository. Here, we describe the ACMG/AMP criteria specification process for GAA, an update of the GAA-specific variant classification guidelines, and comparison of the ClinGen LD VCEP's GAA variant classifications with variant classifications submitted to ClinVar. The LD VCEP has added to the publicly available knowledge on the pathogenicity of variants in GAA by increasing the number of expert-curated GAA variants present in ClinVar, and aids in resolving conflicting classifications and variants of uncertain clinical significance.
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Affiliation(s)
- Jennifer L Goldstein
- Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
| | | | - Dona Kanavy
- Duke University Health System, Durham, NC, USA
| | | | | | - Brett Deml
- Prevention Genetics, Marshfield, WI, USA
| | | | - Liz Kearns
- Dana Farber Cancer Institute, Boston, MA, USA
| | - Bryce A Seifert
- National Institute of Allergy and Infectious Diseases, NIH, Bethesda, MD, USA
| | | | - Rachel G Son
- Pritzker School of Medicine, University of Chicago, Chicago, IL, USA
| | - Courtney Thaxton
- Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Rupa Udani
- Wisconsin State Lab of Hygiene at University of Wisconsin, Madison, WI, USA
| | | | - Heather Baudet
- Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Michele Caggana
- Newborn Screening Program, Division of Genetics, Wadsworth Center, New York State Department of Health, Albany, NY, USA
| | | | | | | | - Robert Steiner
- Prevention Genetics, Marshfield, WI, USA; Medical College of Wisconsin, Brookfield, WI, USA
| | | | | | - Michael Watson
- American College of Medical Genetics and Genomics, Bethesda, MD, USA
| | - Raquel Fernandez
- American College of Medical Genetics and Genomics, Bethesda, MD, USA
| | - Meredith Weaver
- American College of Medical Genetics and Genomics, Bethesda, MD, USA
| | - Lorne Clarke
- University of British Columbia, Vancouver, BC, Canada
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