1
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D'Alessio AM, Boffa I, De Stefano L, Soria LR, Brunetti-Pierri N. Liver gene transfer for metabolite detoxification in inherited metabolic diseases. FEBS Lett 2024. [PMID: 38884367 DOI: 10.1002/1873-3468.14957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2024] [Revised: 05/28/2024] [Accepted: 06/04/2024] [Indexed: 06/18/2024]
Abstract
Inherited metabolic disorders (IMDs) are a growing group of genetic diseases caused by defects in enzymes that mediate cellular metabolism, often resulting in the accumulation of toxic substrates. The liver is a highly metabolically active organ that hosts several thousands of chemical reactions. As such, it is an organ frequently affected in IMDs. In this article, we review current approaches for liver-directed gene-based therapy aimed at metabolite detoxification in a variety of IMDs. Moreover, we discuss current unresolved challenges in gene-based therapies for IMDs.
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Affiliation(s)
- Alfonso M D'Alessio
- Telethon Institute of Genetics and Medicine (TIGEM), Pozzuoli, Italy
- Scuola Superiore Meridionale (SSM, School of Advanced Studies), Genomics and Experimental Medicine Program, University of Naples Federico II, Naples, Italy
| | - Iolanda Boffa
- Telethon Institute of Genetics and Medicine (TIGEM), Pozzuoli, Italy
- Azienda Ospedaliera Universitaria Federico II, Naples, Italy
| | - Lucia De Stefano
- Telethon Institute of Genetics and Medicine (TIGEM), Pozzuoli, Italy
| | - Leandro R Soria
- Telethon Institute of Genetics and Medicine (TIGEM), Pozzuoli, Italy
| | - Nicola Brunetti-Pierri
- Telethon Institute of Genetics and Medicine (TIGEM), Pozzuoli, Italy
- Scuola Superiore Meridionale (SSM, School of Advanced Studies), Genomics and Experimental Medicine Program, University of Naples Federico II, Naples, Italy
- Department of Translational Medicine, Federico II University of Naples, Naples, Italy
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2
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Huang Y, Zhu W, Zhou J, Huang Q, Zeng G. Navigating the Evolving Landscape of Primary Hyperoxaluria: Traditional Management Defied by the Rise of Novel Molecular Drugs. Biomolecules 2024; 14:511. [PMID: 38785918 PMCID: PMC11117870 DOI: 10.3390/biom14050511] [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: 03/20/2024] [Revised: 04/10/2024] [Accepted: 04/12/2024] [Indexed: 05/25/2024] Open
Abstract
Primary hyperoxalurias (PHs) are inherited metabolic disorders marked by enzymatic cascade disruption, leading to excessive oxalate production that is subsequently excreted in the urine. Calcium oxalate deposition in the renal tubules and interstitium triggers renal injury, precipitating systemic oxalate build-up and subsequent secondary organ impairment. Recent explorations of novel therapeutic strategies have challenged and necessitated the reassessment of established management frameworks. The execution of diverse clinical trials across various medication classes has provided new insights and knowledge. With the evolution of PH treatments reaching a new milestone, prompt and accurate diagnosis is increasingly critical. Developing early, effective management and treatment plans is essential to improve the long-term quality of life for PH patients.
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Affiliation(s)
- Yueqi Huang
- The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang 421001, China; (Y.H.); (J.Z.)
| | - Wei Zhu
- Department of Urology and Guangdong Key Laboratory of Urology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510230, China;
| | - Jia Zhou
- The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang 421001, China; (Y.H.); (J.Z.)
| | - Qiulin Huang
- The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang 421001, China; (Y.H.); (J.Z.)
| | - Guohua Zeng
- The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang 421001, China; (Y.H.); (J.Z.)
- Department of Urology and Guangdong Key Laboratory of Urology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510230, China;
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3
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Nieto-Romero V, García-Torralba A, Molinos-Vicente A, Moya FJ, Rodríguez-Perales S, García-Escudero R, Salido E, Segovia JC, García-Bravo M. Restored glyoxylate metabolism after AGXT gene correction and direct reprogramming of primary hyperoxaluria type 1 fibroblasts. iScience 2024; 27:109530. [PMID: 38577102 PMCID: PMC10993186 DOI: 10.1016/j.isci.2024.109530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 01/18/2024] [Accepted: 03/16/2024] [Indexed: 04/06/2024] Open
Abstract
Primary hyperoxaluria type 1 (PH1) is a rare inherited metabolic disorder characterized by oxalate overproduction in the liver, resulting in renal damage. It is caused by mutations in the AGXT gene. Combined liver and kidney transplantation is currently the only permanent curative treatment. We combined locus-specific gene correction and hepatic direct cell reprogramming to generate autologous healthy induced hepatocytes (iHeps) from PH1 patient-derived fibroblasts. First, site-specific AGXT corrected cells were obtained by homology directed repair (HDR) assisted by CRISPR-Cas9, following two different strategies: accurate point mutation (c.731T>C) correction or knockin of an enhanced version of AGXT cDNA. Then, iHeps were generated, by overexpression of hepatic transcription factors. Generated AGXT-corrected iHeps showed hepatic gene expression profile and exhibited in vitro reversion of oxalate accumulation compared to non-edited PH1-derived iHeps. This strategy set up a potential alternative cellular source for liver cell replacement therapy and a personalized PH1 in vitro disease model.
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Affiliation(s)
- Virginia Nieto-Romero
- Cell Technology Division, Biomedical Innovation Unit, CIEMAT (Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas), Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER)-ISCIII, Instituto de Investigación Sanitaria Fundación Jiménez Díaz (IIS-FJD, UAM), 28040 Madrid, Spain
| | - Aida García-Torralba
- Cell Technology Division, Biomedical Innovation Unit, CIEMAT (Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas), Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER)-ISCIII, Instituto de Investigación Sanitaria Fundación Jiménez Díaz (IIS-FJD, UAM), 28040 Madrid, Spain
| | - Andrea Molinos-Vicente
- Cell Technology Division, Biomedical Innovation Unit, CIEMAT (Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas), Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER)-ISCIII, Instituto de Investigación Sanitaria Fundación Jiménez Díaz (IIS-FJD, UAM), 28040 Madrid, Spain
| | - Francisco José Moya
- Molecular Cytogenetics and Genome Editing Unit, Human Cancer Genetics Program, Centro Nacional de Investigaciones Oncológicas (CNIO), 28029 Madrid, Spain
| | - Sandra Rodríguez-Perales
- Molecular Cytogenetics and Genome Editing Unit, Human Cancer Genetics Program, Centro Nacional de Investigaciones Oncológicas (CNIO), 28029 Madrid, Spain
| | - Ramón García-Escudero
- Molecular Oncology Unit, CIEMAT (Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas), Centro de Investigación Biomédica en Red de Cáncer (CIBERONC)-ISCIII, Research Institute Hospital 12 de Octubre (imas12)-University Hospital 12 de Octubre, 28040 Madrid, Spain
| | - Eduardo Salido
- Pathology Department, Hospital Universitario de Canarias, Universidad La Laguna, Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER)-ISCIII, 38320 Tenerife, Spain
| | - José-Carlos Segovia
- Cell Technology Division, Biomedical Innovation Unit, CIEMAT (Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas), Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER)-ISCIII, Instituto de Investigación Sanitaria Fundación Jiménez Díaz (IIS-FJD, UAM), 28040 Madrid, Spain
| | - María García-Bravo
- Cell Technology Division, Biomedical Innovation Unit, CIEMAT (Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas), Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER)-ISCIII, Instituto de Investigación Sanitaria Fundación Jiménez Díaz (IIS-FJD, UAM), 28040 Madrid, Spain
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Searching glycolate oxidase inhibitors based on QSAR, molecular docking, and molecular dynamic simulation approaches. Sci Rep 2022; 12:19969. [PMID: 36402831 PMCID: PMC9675741 DOI: 10.1038/s41598-022-24196-4] [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: 09/11/2022] [Accepted: 11/11/2022] [Indexed: 11/21/2022] Open
Abstract
Primary hyperoxaluria type 1 (PHT1) treatment is mainly focused on inhibiting the enzyme glycolate oxidase, which plays a pivotal role in the production of glyoxylate, which undergoes oxidation to produce oxalate. When the renal secretion capacity exceeds, calcium oxalate forms stones that accumulate in the kidneys. In this respect, detailed QSAR analysis, molecular docking, and dynamics simulations of a series of inhibitors containing glycolic, glyoxylic, and salicylic acid groups have been performed employing different regression machine learning techniques. Three robust models with less than 9 descriptors-based on a tenfold cross (Q2 CV) and external (Q2 EXT) validation-were found i.e., MLR1 (Q2 CV = 0.893, Q2 EXT = 0.897), RF1 (Q2 CV = 0.889, Q2 EXT = 0.907), and IBK1 (Q2 CV = 0.891, Q2 EXT = 0.907). An ensemble model was built by averaging the predicted pIC50 of the three models, obtaining a Q2 EXT = 0.933. Physicochemical properties such as charge, electronegativity, hardness, softness, van der Waals volume, and polarizability were considered as attributes to build the models. To get more insight into the potential biological activity of the compouds studied herein, docking and dynamic analysis were carried out, finding the hydrophobic and polar residues show important interactions with the ligands. A screening of the DrugBank database V.5.1.7 was performed, leading to the proposal of seven commercial drugs within the applicability domain of the models, that can be suggested as possible PHT1 treatment.
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Araújo NM, Rubio IGS, Toneto NPA, Morale MG, Tamura RE. The use of adenoviral vectors in gene therapy and vaccine approaches. Genet Mol Biol 2022; 45:e20220079. [PMID: 36206378 PMCID: PMC9543183 DOI: 10.1590/1678-4685-gmb-2022-0079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Accepted: 07/12/2022] [Indexed: 11/04/2022] Open
Abstract
Adenovirus was first identified in the 1950s and since then this pathogenic group
of viruses has been explored and transformed into a genetic transfer vehicle.
Modification or deletion of few genes are necessary to transform it into a
conditionally or non-replicative vector, creating a versatile tool capable of
transducing different tissues and inducing high levels of transgene expression.
In the early years of vector development, the application in monogenic diseases
faced several hurdles, including short-term gene expression and even a fatality.
On the other hand, an adenoviral delivery strategy for treatment of cancer was
the first approved gene therapy product. There is an increasing interest in
expressing transgenes with therapeutic potential targeting the cancer hallmarks,
inhibiting metastasis, inducing cancer cell death or modulating the immune
system to attack the tumor cells. Replicative adenovirus as vaccines may be even
older and date to a few years of its discovery, application of non-replicative
adenovirus for vaccination against different microorganisms has been
investigated, but only recently, it demonstrated its full potential being one of
the leading vaccination tools for COVID-19. This is not a new vector nor a new
technology, but the result of decades of careful and intense work in this
field.
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Affiliation(s)
- Natália Meneses Araújo
- Universidade Federal de São Paulo, Laboratório de Biologia Molecular
do Câncer, São Paulo, SP, Brazil.
| | - Ileana Gabriela Sanchez Rubio
- Universidade Federal de São Paulo, Laboratório de Biologia Molecular
do Câncer, São Paulo, SP, Brazil. ,Universidade Federal de São Paulo, Departamento de Ciências
Biológicas, Diadema, SP, Brazil. ,Universidade Federal de São Paulo, Laboratório de Ciências
Moleculares da Tireóide, Diadema, SP, Brazil.
| | | | - Mirian Galliote Morale
- Universidade Federal de São Paulo, Laboratório de Biologia Molecular
do Câncer, São Paulo, SP, Brazil. ,Universidade Federal de São Paulo, Departamento de Ciências
Biológicas, Diadema, SP, Brazil. ,Universidade Federal de São Paulo, Laboratório de Ciências
Moleculares da Tireóide, Diadema, SP, Brazil.
| | - Rodrigo Esaki Tamura
- Universidade Federal de São Paulo, Laboratório de Biologia Molecular
do Câncer, São Paulo, SP, Brazil. ,Universidade Federal de São Paulo, Departamento de Ciências
Biológicas, Diadema, SP, Brazil.
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Gatticchi L, Grottelli S, Ambrosini G, Pampalone G, Gualtieri O, Dando I, Bellezza I, Cellini B. CRISPR/Cas9-mediated knock-out of AGXT1 in HepG2 cells as a new in vitro model of Primary Hyperoxaluria Type 1. Biochimie 2022; 202:110-122. [PMID: 35964771 DOI: 10.1016/j.biochi.2022.08.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 08/04/2022] [Accepted: 08/06/2022] [Indexed: 11/02/2022]
Abstract
AGXT1 encodes alanine:glyoxylate aminotransferase 1 (AGT1), a liver peroxisomal pyridoxal 5'-phosphate dependent-enzyme whose deficit causes Primary Hyperoxaluria Type 1 (PH1). PH1 is a rare disease characterized by overproduction of oxalate, first leading to kidney stones formation, and possibly evolving to life-threatening systemic oxalosis. A minority of PH1 patients is responsive to pyridoxine, while the option for non-responders is liver-kidney transplantation. Therefore, huge efforts are currently focused on the identification of new therapies, including the promising approaches based on RNA silencing recently approved. Many PH1-associated mutations are missense and lead to a variety of kinetic and/or folding defects on AGT1. In this context, the availability of a reliable in vitro disease model would be essential to better understand the phenotype of known or newly-identified pathogenic variants as well as to test novel drug candidates. Here, we took advantage of the CRISPR/Cas9 technology to specifically knock-out AGXT1 in HepG2 cells, a hepatoma-derived cell model exhibiting a conserved glyoxylate metabolism. AGXT1-KO HepG2 displayed null AGT1 expression and significantly reduced transaminase activity leading to an enhanced secretion of oxalate upon glycolate challenge. Known pathogenic AGT1 variants expressed in AGXT1-KO HepG2 cells showed alteration in both protein levels and specific transaminase activity, as well as a partial mitochondrial mistargeting when associated with a common polymorphism. Notably, pyridoxine treatment was able to partially rescue activity and localization of clinically-responsive variants. Overall, our data validate AGXT1-KO HepG2 cells as a novel cellular model to investigate PH1 pathophysiology, and as a platform for drug discovery and development.
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Affiliation(s)
- Leonardo Gatticchi
- Department of Medicine and Surgery, Physiology and Biochemistry Section, University of Perugia, 06132, Perugia, Italy
| | - Silvia Grottelli
- Department of Medicine and Surgery, Physiology and Biochemistry Section, University of Perugia, 06132, Perugia, Italy
| | - Giulia Ambrosini
- Department of Neurosciences, Biomedicine and Movement Sciences, Biochemistry Section, University of Verona, 37134, Verona, Italy
| | - Gioena Pampalone
- Department of Medicine and Surgery, Physiology and Biochemistry Section, University of Perugia, 06132, Perugia, Italy
| | - Ottavia Gualtieri
- Department of Medicine and Surgery, Physiology and Biochemistry Section, University of Perugia, 06132, Perugia, Italy
| | - Ilaria Dando
- Department of Neurosciences, Biomedicine and Movement Sciences, Biochemistry Section, University of Verona, 37134, Verona, Italy
| | - Ilaria Bellezza
- Department of Medicine and Surgery, Physiology and Biochemistry Section, University of Perugia, 06132, Perugia, Italy
| | - Barbara Cellini
- Department of Medicine and Surgery, Physiology and Biochemistry Section, University of Perugia, 06132, Perugia, Italy.
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Shee K, Stoller ML. Perspectives in primary hyperoxaluria - historical, current and future clinical interventions. Nat Rev Urol 2021; 19:137-146. [PMID: 34880452 PMCID: PMC8652378 DOI: 10.1038/s41585-021-00543-4] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/08/2021] [Indexed: 12/19/2022]
Abstract
Primary hyperoxalurias are a devastating family of diseases leading to multisystem oxalate deposition, nephrolithiasis, nephrocalcinosis and end-stage renal disease. Traditional treatment paradigms are limited to conservative management, dialysis and combined transplantation of the kidney and liver, of which the liver is the primary source of oxalate production. However, transplantation is associated with many potential complications, including operative risks, graft rejection, post-transplant organ failure, as well as lifelong immunosuppressive medications and their adverse effects. New therapeutics being developed for primary hyperoxalurias take advantage of biochemical knowledge about oxalate synthesis and metabolism, and seek to specifically target these pathways with the goal of decreasing the accumulation and deposition of oxalate in the body. Primary hyperoxalurias are a devastating family of diseases that eventually lead to end-stage renal disease. In this Review, Shee and Stoller discuss current treatment paradigms for primary hyperoxalurias, new therapeutics and their mechanisms of action, and future directions for novel research in the field. Primary hyperoxalurias (PHs) are a devastating family of rare, autosomal-recessive genetic disorders that lead to multisystem oxalate deposition, nephrolithiasis, nephrocalcinosis and end-stage renal disease. Traditional treatment paradigms are limited to conservative management, dialysis and inevitably transplantation of the kidney and liver, which is associated with high morbidity and the need for lifelong immunosuppression. New therapeutics being developed for PHs take advantage of biochemical knowledge about oxalate synthesis and metabolism to specifically target these pathways, with the goal of decreasing the accumulation and deposition of plasma oxalate in the body. New therapeutics can be divided into classes, and include substrate reduction therapy, intestinal oxalate degradation, chaperone therapy, enzyme restoration therapy and targeting of the inflammasome. Lumasiran, a mRNA therapeutic targeting glycolate oxidase, was the first primary hyperoxaluria-specific therapeutic approved by the European Medicines Agency and the FDA in 2020. Future work includes further clinical trials for promising therapeutics in the pipeline, identification of biomarkers of response to PH-directed therapy, optimization of drug development and delivery of new therapeutics.
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Affiliation(s)
- Kevin Shee
- Department of Urology, UCSF, San Francisco, CA, USA.
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Maestro S, Weber ND, Zabaleta N, Aldabe R, Gonzalez-Aseguinolaza G. Novel vectors and approaches for gene therapy in liver diseases. JHEP Rep 2021; 3:100300. [PMID: 34159305 PMCID: PMC8203845 DOI: 10.1016/j.jhepr.2021.100300] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Revised: 03/23/2021] [Accepted: 04/18/2021] [Indexed: 12/13/2022] Open
Abstract
Gene therapy is becoming an increasingly valuable tool to treat many genetic diseases with no or limited treatment options. This is the case for hundreds of monogenic metabolic disorders of hepatic origin, for which liver transplantation remains the only cure. Furthermore, the liver contains 10-15% of the body's total blood volume, making it ideal for use as a factory to secrete proteins into the circulation. In recent decades, an expanding toolbox has become available for liver-directed gene delivery. Although viral vectors have long been the preferred approach to target hepatocytes, an increasing number of non-viral vectors are emerging as highly efficient vehicles for the delivery of genetic material. Herein, we review advances in gene delivery vectors targeting the liver and more specifically hepatocytes, covering strategies based on gene addition and gene editing, as well as the exciting results obtained with the use of RNA as a therapeutic molecule. Moreover, we will briefly summarise some of the limitations of current liver-directed gene therapy approaches and potential ways of overcoming them.
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Key Words
- AAT, α1-antitrypsin
- AAV, adeno-associated virus
- AHP, acute hepatic porphyrias
- AIP, acute intermittent porphyria
- ALAS1, aminolevulic synthase 1
- APCs, antigen-presenting cells
- ASGCT, American Society of Gene and Cell Therapy
- ASGPR, asialoglycoprotein receptor
- ASOs, antisense oligonucleotides
- Ad, adenovirus
- CBS, cystathionine β-synthase
- CN, Crigel-Najjar
- CRISPR, clustered regularly interspaced short palindromic repeats
- CRISPR/Cas9, CRISPR associated protein 9
- DSBs, double-strand breaks
- ERT, enzyme replacement therapy
- FH, familial hypercholesterolemia
- FSP27, fat-specific protein 27
- GO, glycolate oxidase
- GSD1a, glycogen storage disorder 1a
- GT, gene therapy
- GUSB, β-glucuronidase
- GalNAc, N-acetyl-D-galactosamine
- HDAd, helper-dependent adenovirus
- HDR, homology-directed repair
- HT, hereditary tyrosinemia
- HemA/B, haemophilia A/B
- IDS, iduronate 2-sulfatase
- IDUA, α-L-iduronidase
- IMLD, inherited metabolic liver diseases
- ITR, inverted terminal repetition
- LDH, lactate dehydrogenase
- LDLR, low-density lipoprotein receptor
- LNP, Lipid nanoparticles
- LTR, long terminal repeat
- LV, lentivirus
- MMA, methylmalonic acidemia
- MPR, metabolic pathway reprograming
- MPS type I, MPSI
- MPS type VII, MPSVII
- MPS, mucopolysaccharidosis
- NASH, non-alcoholic steatohepatitis
- NHEJ, non-homologous end joining
- NHPs, non-human primates
- Non-viral vectors
- OLT, orthotopic liver transplantation
- OTC, ornithine transcarbamylase
- PA, propionic acidemia
- PB, piggyBac
- PCSK9, proprotein convertase subtilisin/kexin type 9
- PEG, polyethylene glycol
- PEI, polyethyleneimine
- PFIC3, progressive familial cholestasis type 3
- PH1, Primary hyperoxaluria type 1
- PKU, phenylketonuria
- RV, retrovirus
- S/MAR, scaffold matrix attachment regions
- SB, Sleeping Beauty
- SRT, substrate reduction therapy
- STK25, serine/threonine protein kinase 25
- TALEN, transcription activator-like effector nucleases
- TTR, transthyretin
- UCD, urea cycle disorders
- VLDLR, very-low-density lipoprotein receptor
- WD, Wilson’s disease
- ZFN, zinc finger nucleases
- apoB/E, apolipoprotein B/E
- dCas9, dead Cas9
- efficacy
- gene addition
- gene editing
- gene silencing
- hepatocytes
- immune response
- lncRNA, long non-coding RNA
- miRNAs, microRNAs
- siRNA, small-interfering RNA
- toxicity
- viral vectors
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Affiliation(s)
- Sheila Maestro
- Gene Therapy Area, Foundation for Applied Medical Research, University of Navarra, IdisNA, Pamplona, Spain
| | | | - Nerea Zabaleta
- Grousbeck Gene Therapy Center, Schepens Eye Research Institute, Mass Eye and Ear, Boston, MA, USA
| | - Rafael Aldabe
- Gene Therapy Area, Foundation for Applied Medical Research, University of Navarra, IdisNA, Pamplona, Spain
- Corresponding authors. Address: CIMA, Universidad de Navarra. Av. Pio XII 55 31008 Pamplona. Spain
| | - Gloria Gonzalez-Aseguinolaza
- Gene Therapy Area, Foundation for Applied Medical Research, University of Navarra, IdisNA, Pamplona, Spain
- Vivet Therapeutics, Pamplona, Spain
- Corresponding authors. Address: CIMA, Universidad de Navarra. Av. Pio XII 55 31008 Pamplona. Spain
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Shahryari A, Burtscher I, Nazari Z, Lickert H. Engineering Gene Therapy: Advances and Barriers. ADVANCED THERAPEUTICS 2021. [DOI: 10.1002/adtp.202100040] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Alireza Shahryari
- Institute of Diabetes and Regeneration Research Helmholtz Zentrum München 85764 Neuherberg Germany
- School of Medicine Department of Human Genetics Technical University of Munich Klinikum Rechts der Isar 81675 München Germany
- Institute of Stem Cell Research Helmholtz Zentrum München 85764 Neuherberg Germany
- Stem Cell Research Center Golestan University of Medical Sciences Gorgan 49341‐74515 Iran
| | - Ingo Burtscher
- Institute of Diabetes and Regeneration Research Helmholtz Zentrum München 85764 Neuherberg Germany
- Institute of Stem Cell Research Helmholtz Zentrum München 85764 Neuherberg Germany
| | - Zahra Nazari
- Department of Biology School of Basic Sciences Golestan University Gorgan 49361‐79142 Iran
| | - Heiko Lickert
- Institute of Diabetes and Regeneration Research Helmholtz Zentrum München 85764 Neuherberg Germany
- School of Medicine Department of Human Genetics Technical University of Munich Klinikum Rechts der Isar 81675 München Germany
- Institute of Stem Cell Research Helmholtz Zentrum München 85764 Neuherberg Germany
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Small Molecule-Based Enzyme Inhibitors in the Treatment of Primary Hyperoxalurias. J Pers Med 2021; 11:jpm11020074. [PMID: 33513899 PMCID: PMC7912158 DOI: 10.3390/jpm11020074] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 01/21/2021] [Accepted: 01/22/2021] [Indexed: 02/07/2023] Open
Abstract
Primary hyperoxalurias (PHs) are a group of inherited alterations of the hepatic glyoxylate metabolism. PHs classification based on gene mutations parallel a variety of enzymatic defects, and all involve the harmful accumulation of calcium oxalate crystals that produce systemic damage. These geographically widespread rare diseases have a deep impact in the life quality of the patients. Until recently, treatments were limited to palliative measures and kidney/liver transplants in the most severe forms. Efforts made to develop pharmacological treatments succeeded with the biotechnological agent lumasiran, a siRNA product against glycolate oxidase, which has become the first effective therapy to treat PH1. However, small molecule drugs have classically been preferred since they benefit from experience and have better pharmacological properties. The development of small molecule inhibitors designed against key enzymes of glyoxylate metabolism is on the focus of research. Enzyme inhibitors are successful and widely used in several diseases and their pharmacokinetic advantages are well known. In PHs, effective enzymatic targets have been determined and characterized for drug design and interesting inhibitory activities have been achieved both in vitro and in vivo. This review describes the most recent advances towards the development of small molecule enzyme inhibitors in the treatment of PHs, introducing the multi-target approach as a more effective and safe therapeutic option.
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11
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Moscoso CG, Steer CJ. The Evolution of Gene Therapy in the Treatment of Metabolic Liver Diseases. Genes (Basel) 2020; 11:genes11080915. [PMID: 32785089 PMCID: PMC7463482 DOI: 10.3390/genes11080915] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 08/02/2020] [Accepted: 08/06/2020] [Indexed: 12/12/2022] Open
Abstract
Monogenic metabolic disorders of hepatic origin number in the hundreds, and for many, liver transplantation remains the only cure. Liver-targeted gene therapy is an attractive treatment modality for many of these conditions, and there have been significant advances at both the preclinical and clinical stages. Viral vectors, including retroviruses, lentiviruses, adenovirus-based vectors, adeno-associated viruses and simian virus 40, have differing safety, efficacy and immunogenic profiles, and several of these have been used in clinical trials with variable success. In this review, we profile viral vectors and non-viral vectors, together with various payloads, including emerging therapies based on RNA, that are entering clinical trials. Genome editing technologies are explored, from earlier to more recent novel approaches that are more efficient, specific and safe in reaching their target sites. The various curative approaches for the multitude of monogenic hepatic metabolic disorders currently at the clinical development stage portend a favorable outlook for this class of genetic disorders.
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Affiliation(s)
- Carlos G. Moscoso
- Department of Medicine, Division of Gastroenterology, Hepatology and Nutrition, University of Minnesota Medical School, Minneapolis, MN 55455, USA
- Correspondence: (C.G.M.); (C.J.S.); Tel.: +1-612-625-8999 (C.G.M. & C.J.S.); Fax: +1-612-625-5620 (C.G.M. & C.J.S.)
| | - Clifford J. Steer
- Department of Medicine, Division of Gastroenterology, Hepatology and Nutrition, University of Minnesota Medical School, Minneapolis, MN 55455, USA
- Department of Genetics, Cell Biology and Development, University of Minnesota Medical School, Minneapolis, MN 55455, USA
- Correspondence: (C.G.M.); (C.J.S.); Tel.: +1-612-625-8999 (C.G.M. & C.J.S.); Fax: +1-612-625-5620 (C.G.M. & C.J.S.)
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12
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Kletzmayr A, Ivarsson ME, Leroux JC. Investigational Therapies for Primary Hyperoxaluria. Bioconjug Chem 2020; 31:1696-1707. [PMID: 32539351 DOI: 10.1021/acs.bioconjchem.0c00268] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Recent years have brought exciting new insights in the field of primary hyperoxaluria (PH), both on a basic research level as well as through the progress of novel therapeutics in clinical development. To date, very few supportive measures are available for patients suffering from PH, which, together with the severity of the disorder, make disease management challenging. Basic and clinical research and development efforts range from correcting the underlying gene mutations, preventing calcium oxalate crystal-induced kidney damage, to the administration of probiotics favoring the intestinal secretion of excess oxalate. In this review, current advances in the development of those strategies are presented and discussed.
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Affiliation(s)
- Anna Kletzmayr
- Institute of Pharmaceutical Sciences, Department of Chemistry and Applied Biosciences, ETH Zurich, 8093 Zurich, Switzerland
| | | | - Jean-Christophe Leroux
- Institute of Pharmaceutical Sciences, Department of Chemistry and Applied Biosciences, ETH Zurich, 8093 Zurich, Switzerland
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13
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Zheng R, Li Y, Wang L, Fang X, Zhang J, He L, Yang L, Li D, Geng H. CRISPR/Cas9-mediated metabolic pathway reprogramming in a novel humanized rat model ameliorates primary hyperoxaluria type 1. Kidney Int 2020; 98:947-957. [PMID: 32464217 DOI: 10.1016/j.kint.2020.04.049] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 04/07/2020] [Accepted: 04/09/2020] [Indexed: 12/11/2022]
Abstract
Primary hyperoxaluria type I is caused by mutations in the alanine glyoxylate aminotransferase gene (AGXT), leading to accumulation of glyoxylate and subsequent production of oxalate and urolithiasis. Here, we generated a novel rat model of primary hyperoxaluria type I that carries a D205N mutation in the partially humanized Agxt gene through the CRISPR/Cas9 system. The AgxtD205N mutant rats showed undetectable alanine glyoxylate aminotransferase protein expression, developed hyperoxaluria at 1 month of age and exhibited severe renal calcium oxalate deposition after ethylene glycol challenge. This suggests our novel model is more relevant to the human disease than existing animal models. To test whether this model could be used for the development of innovative therapeutics, SaCas9 targeting hydroxyacid oxidase 1, responsible for metabolizing glycolate into glyoxylate, was delivered via adeno-associated viral vectors into newborn rats with primary hyperoxaluria type 1. This approach generated nearly 30% indels in the Hao1 gene in the liver, leading to 42% lower urine oxalate levels in the treated group than in the control group and preventing the rats with primary hyperoxaluria type 1 from undergoing severe nephrocalcinosis for at least 12 months. Thus, our results demonstrate that this partially humanized AgxtD205N rat strain is a high-performing model of primary hyperoxaluria type 1 for understanding pathology, and the development of novel therapeutics, such as reprogramming of the metabolic pathway through genome editing.
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Affiliation(s)
- Rui Zheng
- Department of Pediatric Urology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China; Children's Stone Treatment Center of the National Health and Family Planning Commission of the People's Republic of China, Shanghai, China
| | - Yueyan Li
- Department of Pediatric Urology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China; Children's Stone Treatment Center of the National Health and Family Planning Commission of the People's Republic of China, Shanghai, China
| | - Liren Wang
- Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Shanghai, China
| | - Xiaoliang Fang
- Department of Pediatric Urology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China; Children's Stone Treatment Center of the National Health and Family Planning Commission of the People's Republic of China, Shanghai, China
| | - Junqi Zhang
- Department of Pediatric Urology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China; Children's Stone Treatment Center of the National Health and Family Planning Commission of the People's Republic of China, Shanghai, China
| | - Lei He
- Department of Pediatric Urology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China; Children's Stone Treatment Center of the National Health and Family Planning Commission of the People's Republic of China, Shanghai, China
| | - Lei Yang
- Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Shanghai, China
| | - Dali Li
- Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Shanghai, China.
| | - Hongquan Geng
- Department of Pediatric Urology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China; Children's Stone Treatment Center of the National Health and Family Planning Commission of the People's Republic of China, Shanghai, China.
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14
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Ricobaraza A, Gonzalez-Aparicio M, Mora-Jimenez L, Lumbreras S, Hernandez-Alcoceba R. High-Capacity Adenoviral Vectors: Expanding the Scope of Gene Therapy. Int J Mol Sci 2020; 21:E3643. [PMID: 32455640 PMCID: PMC7279171 DOI: 10.3390/ijms21103643] [Citation(s) in RCA: 81] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 05/18/2020] [Accepted: 05/19/2020] [Indexed: 12/21/2022] Open
Abstract
The adaptation of adenoviruses as gene delivery tools has resulted in the development of high-capacity adenoviral vectors (HC-AdVs), also known, helper-dependent or "gutless". Compared with earlier generations (E1/E3-deleted vectors), HC-AdVs retain relevant features such as genetic stability, remarkable efficacy of in vivo transduction, and production at high titers. More importantly, the lack of viral coding sequences in the genomes of HC-AdVs extends the cloning capacity up to 37 Kb, and allows long-term episomal persistence of transgenes in non-dividing cells. These properties open a wide repertoire of therapeutic opportunities in the fields of gene supplementation and gene correction, which have been explored at the preclinical level over the past two decades. During this time, production methods have been optimized to obtain the yield, purity, and reliability required for clinical implementation. Better understanding of inflammatory responses and the implementation of methods to control them have increased the safety of these vectors. We will review the most significant achievements that are turning an interesting research tool into a sound vector platform, which could contribute to overcome current limitations in the gene therapy field.
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Affiliation(s)
| | | | | | | | - Ruben Hernandez-Alcoceba
- Gene Therapy Program. University of Navarra-CIMA. Navarra Institute of Health Research, 31008 Pamplona, Spain; (A.R.); (M.G.-A.); (L.M.-J.); (S.L.)
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15
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Soria LR, Nitzahn M, Angelis AD, Khoja S, Attanasio S, Annunziata P, Palmer DJ, Ng P, Lipshutz GS, Brunetti-Pierri N. Hepatic glutamine synthetase augmentation enhances ammonia detoxification. J Inherit Metab Dis 2019; 42:1128-1135. [PMID: 30724386 PMCID: PMC6684872 DOI: 10.1002/jimd.12070] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Accepted: 01/28/2019] [Indexed: 12/18/2022]
Abstract
The urea cycle and glutamine synthetase (GS) are the two main pathways for waste nitrogen removal and their deficiency results in hyperammonemia. Here, we investigated the efficacy of liver-specific GS overexpression for therapy of hyperammonemia. To achieve hepatic GS overexpression, we generated a helper-dependent adenoviral (HDAd) vector expressing the murine GS under the control of a liver-specific expression cassette (HDAd-GS). Compared to mice injected with a control vector expressing an unrelated reporter gene (HDAd-alpha-fetoprotein), wild-type mice with increased hepatic GS showed reduced blood ammonia levels and a concomitant increase of blood glutamine after intraperitoneal injections of ammonium chloride, whereas blood urea was unaffected. Moreover, injection of HDAd-GS reduced blood ammonia levels at baseline and protected against acute hyperammonemia following ammonia challenge in a mouse model with conditional hepatic deficiency of carbamoyl phosphate synthetase 1 (Cps1), the initial and rate-limiting step of ureagenesis. In summary, we found that upregulation of hepatic GS reduced hyperammonemia in wild-type and Cps1-deficient mice, thus confirming a key role of GS in ammonia detoxification. These results suggest that hepatic GS augmentation therapy has potential for treatment of both primary and secondary forms of hyperammonemia.
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Affiliation(s)
| | - Matthew Nitzahn
- Department of Surgery, David Geffen School of Medicine at UCLA, Los Angeles, United States
- Molecular Biology Institute at UCLA, Los Angeles, United States
| | | | - Suhail Khoja
- Department of Surgery, David Geffen School of Medicine at UCLA, Los Angeles, United States
- Molecular Biology Institute at UCLA, Los Angeles, United States
| | | | | | - Donna J. Palmer
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, United States
| | - Philip Ng
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, United States
| | - Gerald S. Lipshutz
- Department of Surgery, David Geffen School of Medicine at UCLA, Los Angeles, United States
- Molecular Biology Institute at UCLA, Los Angeles, United States
| | - Nicola Brunetti-Pierri
- Telethon Institute of Genetics and Medicine, Pozzuoli, Italy
- Department of Translational Medicine, Federico II University, Naples, Italy
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16
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Zabaleta N, Hommel M, Salas D, Gonzalez-Aseguinolaza G. Genetic-Based Approaches to Inherited Metabolic Liver Diseases. Hum Gene Ther 2019; 30:1190-1203. [DOI: 10.1089/hum.2019.140] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Affiliation(s)
- Nerea Zabaleta
- Gene Therapy and Regulation of Gene Expression Program, Centro de Investigación Médica Aplicada, IDISNA, Universidad de Navarra, Pamplona, Spain
| | - Mirja Hommel
- Gene Therapy and Regulation of Gene Expression Program, Centro de Investigación Médica Aplicada, IDISNA, Universidad de Navarra, Pamplona, Spain
| | - David Salas
- Gene Therapy and Regulation of Gene Expression Program, Centro de Investigación Médica Aplicada, IDISNA, Universidad de Navarra, Pamplona, Spain
| | - Gloria Gonzalez-Aseguinolaza
- Gene Therapy and Regulation of Gene Expression Program, Centro de Investigación Médica Aplicada, IDISNA, Universidad de Navarra, Pamplona, Spain
- Vivet Therapeutics, Pamplona, Spain
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17
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Cai R, Lin M, Chen Z, Lai Y, Huang X, Zhao G, Guo X, Xiong Z, Chen J, Chen H, Jiang Q, Liu S, Yang Y, Liang W, Zou M, Liu T, Chen W, Liu H, Peng J. Primary hyperoxaluria diagnosed after kidney transplantation failure: lesson from 3 case reports and literature review. BMC Nephrol 2019; 20:224. [PMID: 31215412 PMCID: PMC6582561 DOI: 10.1186/s12882-019-1402-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2018] [Accepted: 05/28/2019] [Indexed: 12/16/2022] Open
Abstract
Background Primary hyperoxaluria (PH) is a rare inborn disorder of the metabolism of glyoxylate, which causes the hallmark production oxalate and forms insoluble calcium oxalate crystals that accumulate in the kidney and other organs. Since the manifestation of PH varies from recurrent nephrolithiasis, nephrocalcinosis, and end-stage renal disease with age at onset of symptoms ranging from infancy to the sixth decade, the disease remains undiagnosed until after kidney transplantation in some cases. Case presentation Herein, we report 3 cases of PH diagnosed after kidney transplantation failure, providing the comprehensive clinical course, the ultrasonic image of renal graft and pathologic image of the biopsy, highlighting the relevance of biopsy findings and the results of molecular genetic testing. We also focus on the treatment and the unfavorable outcome of the patients. Meanwhile, we review the literature and show the additional 10 reported cases of PH diagnosed after kidney transplantation. Additionally, we discuss the progressive molecular understanding of the mechanisms involved in PH and molecular therapy. Conclusions Overall, the necessity of preoperative screening of PH in all patients even with a minor history of nephrolithiasis and the importance of proper treatment are the lessons we learn from the 3 cases, which prompt us to avoid tragedies. Electronic supplementary material The online version of this article (10.1186/s12882-019-1402-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Ruiming Cai
- Department of Organ Transplantation, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
| | - Minzhuang Lin
- Department of Organ Transplantation, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
| | - Zhiyong Chen
- Department of Organ Transplantation, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
| | - Yongtong Lai
- Department of Organ Transplantation, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
| | - Xianen Huang
- Department of Organ Transplantation, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
| | - Guozhi Zhao
- Department of Organ Transplantation, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
| | - Xuekun Guo
- Department of Organ Transplantation, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
| | - Zhongtang Xiong
- Department of Pathology, The Third Affiliated Hospital of Guangzhou Medical University, 63 Duobao Road, Guangzhou, 510150, People's Republic of China
| | - Juan Chen
- Department of Pathology, The Third Affiliated Hospital of Guangzhou Medical University, 63 Duobao Road, Guangzhou, 510150, People's Republic of China
| | - Hui Chen
- Department of Pathology, The Third Affiliated Hospital of Guangzhou Medical University, 63 Duobao Road, Guangzhou, 510150, People's Republic of China
| | - Qingping Jiang
- Department of Pathology, The Third Affiliated Hospital of Guangzhou Medical University, 63 Duobao Road, Guangzhou, 510150, People's Republic of China
| | - Shaoyan Liu
- Department of Pathology, The Third Affiliated Hospital of Guangzhou Medical University, 63 Duobao Road, Guangzhou, 510150, People's Republic of China
| | - Yuexin Yang
- Department of Pathology, The Third Affiliated Hospital of Guangzhou Medical University, 63 Duobao Road, Guangzhou, 510150, People's Republic of China
| | - Weixiang Liang
- Department of Ultrasound, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
| | - Minhui Zou
- Department of Ultrasound, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
| | - Tao Liu
- Department of Ultrasound, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
| | - Wenfang Chen
- Department of Pathology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510080, China
| | - Hongzhou Liu
- Department of Clinical Laboratory, Guangzhou Kingmed Center for Clinical Laboratory Co., Ltd, Guangzhou, 510330, China
| | - Juan Peng
- Department of Pathology, The Third Affiliated Hospital of Guangzhou Medical University, 63 Duobao Road, Guangzhou, 510150, People's Republic of China.
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18
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Estève J, Blouin JM, Lalanne M, Azzi-Martin L, Dubus P, Bidet A, Harambat J, Llanas B, Moranvillier I, Bedel A, Moreau-Gaudry F, Richard E. Generation of induced pluripotent stem cells-derived hepatocyte-like cells for ex vivo gene therapy of primary hyperoxaluria type 1. Stem Cell Res 2019; 38:101467. [PMID: 31151050 DOI: 10.1016/j.scr.2019.101467] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Revised: 03/30/2019] [Accepted: 05/19/2019] [Indexed: 12/17/2022] Open
Abstract
Primary hyperoxaluria type 1 (PH1) is a rare autosomal recessive disorder of the liver metabolism due to functional deficiency of the peroxisomal enzyme alanine:glyoxylate aminotransferase (AGT). AGT deficiency results in overproduction of oxalate which complexes with calcium to form insoluble calcium-oxalate salts in urinary tracts, ultimately leading to end-stage renal disease. Currently, the only curative treatment for PH1 is combined liver-kidney transplantation, which is limited by donor organ shortage and lifelong requirement for immunosuppression. Transplantation of genetically modified autologous hepatocytes is an attractive therapeutic option for PH1. However, the use of fresh primary hepatocytes suffers from limitations such as organ availability, insufficient cell proliferation, loss of function, and the risk of immune rejection. We developed patient-specific induced pluripotent stem cells (PH1-iPSCs) free of reprogramming factors as a source of renewable and genetically defined autologous PH1-hepatocytes. We then investigated additive gene therapy using a lentiviral vector encoding wild-type AGT under the control of the liver-specific transthyretin promoter. Genetically modified PH1-iPSCs successfully provided hepatocyte-like cells (HLCs) that exhibited significant AGT expression at both RNA and protein levels after liver-specific differentiation process. These results pave the way for cell-based therapy of PH1 by transplantation of genetically modified autologous HLCs derived from patient-specific iPSCs.
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Affiliation(s)
- Julie Estève
- Univ.Bordeaux, INSERM, BMGIC, U1035, CHU Bordeaux, 33076 Bordeaux, France
| | - Jean-Marc Blouin
- Univ.Bordeaux, INSERM, BMGIC, U1035, CHU Bordeaux, 33076 Bordeaux, France
| | - Magalie Lalanne
- Univ.Bordeaux, INSERM, BMGIC, U1035, CHU Bordeaux, 33076 Bordeaux, France
| | | | - Pierre Dubus
- Univ.Bordeaux, INSERM, BARITON, U1053, CHU Bordeaux, 33076, France
| | - Audrey Bidet
- Laboratoire d'hématologie, CHU Bordeaux, Bordeaux, France
| | - Jérôme Harambat
- Service de Néphrologie pédiatrique, Centre de Référence Maladies Rénales Rares du Sud-Ouest, CHU Bordeaux, 33000 Bordeaux, France
| | - Brigitte Llanas
- Service de Néphrologie pédiatrique, Centre de Référence Maladies Rénales Rares du Sud-Ouest, CHU Bordeaux, 33000 Bordeaux, France
| | | | - Aurélie Bedel
- Univ.Bordeaux, INSERM, BMGIC, U1035, CHU Bordeaux, 33076 Bordeaux, France
| | | | - Emmanuel Richard
- Univ.Bordeaux, INSERM, BMGIC, U1035, CHU Bordeaux, 33076 Bordeaux, France.
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19
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Goswami R, Subramanian G, Silayeva L, Newkirk I, Doctor D, Chawla K, Chattopadhyay S, Chandra D, Chilukuri N, Betapudi V. Gene Therapy Leaves a Vicious Cycle. Front Oncol 2019; 9:297. [PMID: 31069169 PMCID: PMC6491712 DOI: 10.3389/fonc.2019.00297] [Citation(s) in RCA: 170] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Accepted: 04/01/2019] [Indexed: 12/14/2022] Open
Abstract
The human genetic code encrypted in thousands of genes holds the secret for synthesis of proteins that drive all biological processes necessary for normal life and death. Though the genetic ciphering remains unchanged through generations, some genes get disrupted, deleted and or mutated, manifesting diseases, and or disorders. Current treatment options—chemotherapy, protein therapy, radiotherapy, and surgery available for no more than 500 diseases—neither cure nor prevent genetic errors but often cause many side effects. However, gene therapy, colloquially called “living drug,” provides a one-time treatment option by rewriting or fixing errors in the natural genetic ciphering. Since gene therapy is predominantly a viral vector-based medicine, it has met with a fair bit of skepticism from both the science fraternity and patients. Now, thanks to advancements in gene editing and recombinant viral vector development, the interest of clinicians and pharmaceutical industries has been rekindled. With the advent of more than 12 different gene therapy drugs for curing cancer, blindness, immune, and neuronal disorders, this emerging experimental medicine has yet again come in the limelight. The present review article delves into the popular viral vectors used in gene therapy, advances, challenges, and perspectives.
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Affiliation(s)
- Reena Goswami
- Neuroscience Branch, Research Division, United States Army Medical Research Institute of Chemical Defense, Aberdeen, MD, United States
| | - Gayatri Subramanian
- Department of Medical Microbiology and Immunology, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States
| | - Liliya Silayeva
- Neuroscience Branch, Research Division, United States Army Medical Research Institute of Chemical Defense, Aberdeen, MD, United States
| | - Isabelle Newkirk
- Neuroscience Branch, Research Division, United States Army Medical Research Institute of Chemical Defense, Aberdeen, MD, United States
| | - Deborah Doctor
- Neuroscience Branch, Research Division, United States Army Medical Research Institute of Chemical Defense, Aberdeen, MD, United States
| | - Karan Chawla
- Department of Medical Microbiology and Immunology, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States
| | - Saurabh Chattopadhyay
- Department of Medical Microbiology and Immunology, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States
| | - Dhyan Chandra
- Roswell Park Comprehensive Cancer Center, Buffalo, NY, United States
| | - Nageswararao Chilukuri
- Neuroscience Branch, Research Division, United States Army Medical Research Institute of Chemical Defense, Aberdeen, MD, United States
| | - Venkaiah Betapudi
- Neuroscience Branch, Research Division, United States Army Medical Research Institute of Chemical Defense, Aberdeen, MD, United States.,Department of Physiology and Biophysics, Case Western Reserve University, Cleveland, OH, United States
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20
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Kotb MA, Hamza AF, Abd El Kader H, El Monayeri M, Mosallam DS, Ali N, Basanti CWS, Bazaraa H, Abdelrahman H, Nabhan MM, Abd El Baky H, El Sorogy STM, Kamel IEM, Ismail H, Ramadan Y, Abd El Rahman SM, Soliman NA. Combined liver-kidney transplantation for primary hyperoxaluria type I in children: Single Center Experience. Pediatr Transplant 2019; 23:e13313. [PMID: 30475440 DOI: 10.1111/petr.13313] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Revised: 08/31/2018] [Accepted: 10/02/2018] [Indexed: 12/11/2022]
Abstract
Primary hyperoxalurias are rare inborn errors of metabolism with deficiency of hepatic enzymes that lead to excessive urinary oxalate excretion and overproduction of oxalate which is deposited in various organs. Hyperoxaluria results in serious morbid-ity, end stage kidney disease (ESKD), and mortality if left untreated. Combined liver kidney transplantation (CLKT) is recognized as a management of ESKD for children with hyperoxaluria type 1 (PH1). This study aimed to report outcome of CLKT in a pediatric cohort of PH1 patients, through retrospective analysis of data of 8 children (2 girls and 6 boys) who presented by PH1 to Wadi El Nil Pediatric Living Related Liver Transplant Unit during 2001-2017. Mean age at transplant was 8.2 ± 4 years. Only three of the children underwent confirmatory genotyping. Three patients died prior to surgery on waiting list. The first attempt at CLKT was consecutive, and despite initial successful liver transplant, the girl died of biliary peritonitis prior to scheduled renal transplant. Of the four who underwent simultaneous CLKT, only two survived and are well, one with insignificant complications, and other suffered from abdominal Burkitt lymphoma managed by excision and resection anastomosis, four cycles of rituximab, cyclophosphamide, vincristine, and prednisone. The other two died, one due to uncontrollable bleeding within 36 hours of procedure, while the other died awaiting renal transplant after loss of renal graft to recurrent renal oxalosis 6 months post-transplant. PH1 with ESKD is a rare disease; simultaneous CLKT offers good quality of life for afflicted children. Graft shortage and renal graft loss to oxalosis challenge the outcome.
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Affiliation(s)
- Magd A Kotb
- Pediatric Hepatology Unit, Faculty of Medicine, Department of Pediatrics, Cairo University, Cairo, Egypt.,Wadi El Nil Hospital, Pediatric Living-Related Liver Transplantation Team, Cairo, Egypt
| | - Alaa F Hamza
- Wadi El Nil Hospital, Pediatric Living-Related Liver Transplantation Team, Cairo, Egypt.,Faculty of Medicine, Department of Pediatric Surgery, Ain Shams University, Cairo, Egypt
| | - Hesham Abd El Kader
- Wadi El Nil Hospital, Pediatric Living-Related Liver Transplantation Team, Cairo, Egypt.,Faculty of Medicine, Department of Pediatric Surgery, Ain Shams University, Cairo, Egypt
| | - Magda El Monayeri
- Wadi El Nil Hospital, Pediatric Living-Related Liver Transplantation Team, Cairo, Egypt.,Faculty of Medicine, Department of Pathology, Ain Shams University, Cairo, Egypt
| | - Dalia S Mosallam
- Pediatric Hepatology Unit, Faculty of Medicine, Department of Pediatrics, Cairo University, Cairo, Egypt
| | - Nazira Ali
- Pediatric Hepatology Unit, Faculty of Medicine, Department of Pediatrics, Cairo University, Cairo, Egypt.,Wadi El Nil Hospital, Pediatric Living-Related Liver Transplantation Team, Cairo, Egypt
| | | | - Hafez Bazaraa
- Pediatric Hepatology Unit, Faculty of Medicine, Department of Pediatrics, Cairo University, Cairo, Egypt.,Department of Pediatrics, Center of Pediatric Nephrology & Transplantation, Kasr Al Ainy School of Medicine, Cairo University, Cairo, Egypt.,Egyptian Group for Orphan Renal Diseases (EGORD), Cairo, Egypt
| | - Hany Abdelrahman
- Pediatric Oncology, National Cancer Institute, Cairo University, Cairo, Egypt
| | - Marwa M Nabhan
- Pediatric Hepatology Unit, Faculty of Medicine, Department of Pediatrics, Cairo University, Cairo, Egypt.,Department of Pediatrics, Center of Pediatric Nephrology & Transplantation, Kasr Al Ainy School of Medicine, Cairo University, Cairo, Egypt.,Egyptian Group for Orphan Renal Diseases (EGORD), Cairo, Egypt
| | - Hend Abd El Baky
- Pediatric Hepatology Unit, Faculty of Medicine, Department of Pediatrics, Cairo University, Cairo, Egypt.,Wadi El Nil Hospital, Pediatric Living-Related Liver Transplantation Team, Cairo, Egypt
| | | | - Inas E M Kamel
- Department of Pediatrics, National Research Center, Cairo, Egypt
| | - Hoda Ismail
- Wadi El Nil Hospital, Pediatric Living-Related Liver Transplantation Team, Cairo, Egypt.,Department of Pediatrics, Wadi El Nil Hospital, Cairo, Egypt
| | - Yasmin Ramadan
- Pediatric Hepatology Unit, Faculty of Medicine, Department of Pediatrics, Cairo University, Cairo, Egypt.,Department of Pediatrics, Center of Pediatric Nephrology & Transplantation, Kasr Al Ainy School of Medicine, Cairo University, Cairo, Egypt.,Egyptian Group for Orphan Renal Diseases (EGORD), Cairo, Egypt
| | - Safaa M Abd El Rahman
- Pediatric Hepatology Unit, Faculty of Medicine, Department of Pediatrics, Cairo University, Cairo, Egypt.,Department of Pediatrics, Center of Pediatric Nephrology & Transplantation, Kasr Al Ainy School of Medicine, Cairo University, Cairo, Egypt.,Pediatric Oncology, National Cancer Institute, Cairo University, Cairo, Egypt
| | - Neveen A Soliman
- Pediatric Hepatology Unit, Faculty of Medicine, Department of Pediatrics, Cairo University, Cairo, Egypt.,Department of Pediatrics, Center of Pediatric Nephrology & Transplantation, Kasr Al Ainy School of Medicine, Cairo University, Cairo, Egypt.,Egyptian Group for Orphan Renal Diseases (EGORD), Cairo, Egypt
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21
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Helper-dependent adenovirus-mediated gene transfer of a secreted LDL receptor/transferrin chimeric protein reduces aortic atherosclerosis in LDL receptor-deficient mice. Gene Ther 2019; 26:121-130. [PMID: 30700805 DOI: 10.1038/s41434-019-0061-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Revised: 11/02/2018] [Accepted: 11/23/2018] [Indexed: 01/05/2023]
Abstract
Familial hypercholesterolemia (FH) is a genetic hyperlipidemia characterized by elevated concentrations of plasma LDL cholesterol. Statins are not always effective for the treatment of FH patients; unresponsive patients have poor prognosis and rely on LDL apheresis. In the past, we developed safe and effective gene therapy strategies for the expression of anti-atherogenic proteins using PEGylated helper-dependent adenoviral (HD-Ad) vectors. We recently developed a HD-Ad vector for the expression of the soluble form of the extracellular portion of the human LDL receptor (LDLR) fused with a rabbit transferrin dimer (LDLR-TF). We evaluated the efficacy of the LDLR-TF chimeric protein in CHOLDLA7, a cell line lacking LDLR expression, restoring the ability to uptake LDL. Subsequently, we administered intravenously 1 × 10E13 vp/kg of this vector in LDLR-deficient mice and observed amelioration of lipid profile and reduction of aortic atherosclerosis. Finally, we studied LDL distribution after HD-Ad vector-mediated expression of LDLR-TF in LDLR-deficient mice and found LDL accumulation in liver, and in heart and intestine. These results support the possibility of lowering LDL-C levels and reducing aortic atherosclerosis using a secreted therapeutic transgene; the present strategy potentially can be modified and adapted to non-systemic gene transfer with expression of the secreted chimeric protein in muscle or other tissues. Intramuscular or local administration strategies could improve the safety profile of this strategy and facilitate applicability.
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22
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Down-regulation of HIF-1α inhibits the proliferation, migration, and invasion of gastric cancer by inhibiting PI3K/AKT pathway and VEGF expression. Biosci Rep 2018; 38:BSR20180741. [PMID: 29899167 PMCID: PMC6435555 DOI: 10.1042/bsr20180741] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2018] [Revised: 06/07/2018] [Accepted: 06/11/2018] [Indexed: 12/14/2022] Open
Abstract
In view of the high incidence of gastric cancer and the functions of hypoxia-inducible factor 1α (HIF-1α), our study aimed to investigate the functionality of HIF-1α in gastric cancer, and to explore the diagnostic and prognostic values of HIF-1α for this disease. Expression of HIF-1α in tumor tissues and adjacent healthy tissues as well as serum collected from both gastric cancer patients and normal healthy controls was detected by qRT-PCR. Survival analysis was performed using Kaplan–Meier method. HIF-1α siRNA silencing cell lines were established. Effects of HIF-1α siRNA silencing as well as PI3K activator sc3036 on proliferation, migration, and invasion of gastric cancer cells were detected by Cell counting kit (CCK-8) assay, and Transwell migration and invasion assay. Effects of HIF-1α siRNA silencing on AKT and VEGF were detected by Western blot. Expression of HIF-1α was significantly down-regulated in tumor tissues than in adjacent healthy tissues in most gastric cancer patients. Serum levels of HIF-1α were also higher in gastric cancer patients than in normal healthy people. Serum HIF-1α showed promising diagnostic and prognostic values for gastric cancer. HIF-1α siRNA silencing inhibited the proliferation, migration, and invasion of gastric cancer cells, while PI3K activator sc3036 treatment reduced those inhibitory effects. Down-regulation of HIF-1α can inhibit the proliferation, migration, and invasion of gastric cancer possibly by inhibiting PI3K/AKT pathway and VEGF expression.
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Sas DJ, Harris PC, Milliner DS. Recent advances in the identification and management of inherited hyperoxalurias. Urolithiasis 2018; 47:79-89. [DOI: 10.1007/s00240-018-1093-3] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2018] [Accepted: 11/08/2018] [Indexed: 12/26/2022]
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Dindo M, Conter C, Oppici E, Ceccarelli V, Marinucci L, Cellini B. Molecular basis of primary hyperoxaluria: clues to innovative treatments. Urolithiasis 2018; 47:67-78. [PMID: 30430197 DOI: 10.1007/s00240-018-1089-z] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Accepted: 11/08/2018] [Indexed: 12/21/2022]
Abstract
Primary hyperoxalurias (PHs) are rare inherited disorders of liver glyoxylate metabolism, characterized by the abnormal production of endogenous oxalate, a metabolic end-product that is eliminated by urine. The main symptoms are related to the precipitation of calcium oxalate crystals in the urinary tract with progressive renal damage and, in the most severe form named Primary Hyperoxaluria Type I (PH1), to systemic oxalosis. The therapies currently available for PH are either poorly effective, because they address the symptoms and not the causes of the disease, or highly invasive. In the last years, advances in our understanding of the molecular bases of PH have paved the way for the development of new therapeutic strategies. They include (i) substrate-reduction therapies based on small-molecule inhibitors or the RNA interference technology, (ii) gene therapy, (iii) enzyme administration approaches, (iv) colonization with oxalate-degrading intestinal microorganisms, and, in PH1, (v) design of pharmacological chaperones. This paper reviews the basic principles of these new therapeutic strategies and what is currently known about their application to PH.
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Affiliation(s)
- Mirco Dindo
- Department of Experimental Medicine, University of Perugia, P.le Gambuli 1, 06132, Perugia, Italy
| | - Carolina Conter
- Department of Neurosciences, Biomedicine and Movement Sciences, Section of Biological Chemistry, University of Verona, Strada le Grazie 8, 37134, Verona, VR, Italy
| | - Elisa Oppici
- Department of Neurosciences, Biomedicine and Movement Sciences, Section of Biological Chemistry, University of Verona, Strada le Grazie 8, 37134, Verona, VR, Italy
| | - Veronica Ceccarelli
- Department of Experimental Medicine, University of Perugia, P.le Gambuli 1, 06132, Perugia, Italy
| | - Lorella Marinucci
- Department of Experimental Medicine, University of Perugia, P.le Gambuli 1, 06132, Perugia, Italy
| | - Barbara Cellini
- Department of Experimental Medicine, University of Perugia, P.le Gambuli 1, 06132, Perugia, Italy.
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25
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van Haasteren J, Hyde SC, Gill DR. Lessons learned from lung and liver in-vivo gene therapy: implications for the future. Expert Opin Biol Ther 2018; 18:959-972. [PMID: 30067117 PMCID: PMC6134476 DOI: 10.1080/14712598.2018.1506761] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Accepted: 07/27/2018] [Indexed: 12/12/2022]
Abstract
INTRODUCTION Ex-vivo gene therapy has had significant clinical impact over the last couple of years and in-vivo gene therapy products are being approved for clinical use. Gene therapy and gene editing approaches have huge potential to treat genetic disease and chronic illness. AREAS COVERED This article provides a review of in-vivo approaches for gene therapy in the lung and liver, exploiting non-viral and viral vectors with varying serotypes and pseudotypes to target-specific cells. Antibody responses inhibiting viral vectors continue to constrain effective repeat administration. Lessons learned from ex-vivo gene therapy and genome editing are also discussed. EXPERT OPINION The fields of lung and liver in-vivo gene therapy are thriving and a comparison highlights obstacles and opportunities for both. Overcoming immunological issues associated with repeated administration of viral vectors remains a key challenge. The addition of targeted small molecules in combination with viral vectors may offer one solution. A substantial bottleneck to the widespread adoption of in-vivo gene therapy is how to ensure sufficient capacity for clinical-grade vector production. In the future, the exploitation of gene editing approaches for in-vivo disease treatment may facilitate the resurgence of non-viral gene transfer approaches, which tend to be eclipsed by more efficient viral vectors.
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Affiliation(s)
- Joost van Haasteren
- Gene Medicine Group, Nuffield Division of Clinical Laboratory Science, Radcliffe Department of Medicine, University of Oxford, Oxford, UK
| | - Stephen C. Hyde
- Gene Medicine Group, Nuffield Division of Clinical Laboratory Science, Radcliffe Department of Medicine, University of Oxford, Oxford, UK
| | - Deborah R. Gill
- Gene Medicine Group, Nuffield Division of Clinical Laboratory Science, Radcliffe Department of Medicine, University of Oxford, Oxford, UK
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26
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Moya-Garzón MD, Martín Higueras C, Peñalver P, Romera M, Fernandes MX, Franco-Montalbán F, Gómez-Vidal JA, Salido E, Díaz-Gavilán M. Salicylic Acid Derivatives Inhibit Oxalate Production in Mouse Hepatocytes with Primary Hyperoxaluria Type 1. J Med Chem 2018; 61:7144-7167. [DOI: 10.1021/acs.jmedchem.8b00399] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- María Dolores Moya-Garzón
- Departamento de Química Farmacéutica y Orgánica, Universidad de Granada, Campus de Cartuja s/n, 18071 Granada, Spain
| | - Cristina Martín Higueras
- Hospital Universitario de Canarias, Universidad La Laguna & Center for Rare Diseases (CIBERER), 38320 Tenerife, Spain
| | - Pablo Peñalver
- Departamento de Química Farmacéutica y Orgánica, Universidad de Granada, Campus de Cartuja s/n, 18071 Granada, Spain
| | - Manuela Romera
- Departamento de Química Farmacéutica y Orgánica, Universidad de Granada, Campus de Cartuja s/n, 18071 Granada, Spain
| | - Miguel X. Fernandes
- Hospital Universitario de Canarias, Universidad La Laguna & Center for Rare Diseases (CIBERER), 38320 Tenerife, Spain
| | - Francisco Franco-Montalbán
- Departamento de Química Farmacéutica y Orgánica, Universidad de Granada, Campus de Cartuja s/n, 18071 Granada, Spain
| | - José A. Gómez-Vidal
- Departamento de Química Farmacéutica y Orgánica, Universidad de Granada, Campus de Cartuja s/n, 18071 Granada, Spain
| | - Eduardo Salido
- Hospital Universitario de Canarias, Universidad La Laguna & Center for Rare Diseases (CIBERER), 38320 Tenerife, Spain
| | - Mónica Díaz-Gavilán
- Departamento de Química Farmacéutica y Orgánica, Universidad de Granada, Campus de Cartuja s/n, 18071 Granada, Spain
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Wanders RJA. Peroxisomal disorders: Improved laboratory diagnosis, new defects and the complicated route to treatment. Mol Cell Probes 2018; 40:60-69. [PMID: 29438773 DOI: 10.1016/j.mcp.2018.02.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Revised: 02/01/2018] [Accepted: 02/02/2018] [Indexed: 12/15/2022]
Abstract
Peroxisomes catalyze a number of essential metabolic functions of which fatty acid alpha- and beta-oxidation, ether phospholipid biosynthesis, glyoxylate detoxification and bile acid synthesis are the most important. The key role of peroxisomes in humans is exemplified by the existence of a group of peroxisomal disorders, caused by mutations in > 30 different genes which code for proteins with a role in either peroxisome biogenesis or one of the metabolic pathways in peroxisomes. Technological advances in laboratory methods at the metabolite-, enzyme-, and molecular level have not only allowed the identification of new peroxisomal disorders but also new phenotypes associated with already identified genetic defects thus extending the clinical spectrum. Unfortunately, progress in the field of pathogenesis and treatment has lagged behind although there are certainly new and hopeful developments with respect to X-linked adrenoleukodystrophy and hyperoxaluria type 1.
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Affiliation(s)
- Ronald J A Wanders
- Department of Clinical Chemistry, Laboratory Genetic Metabolic Diseases, Emma Children's Hospital, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands; Department of Pediatrics, Laboratory Genetic Metabolic Diseases, Emma Children's Hospital, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands.
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28
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Li X, Gu J, Yang Y, Li J, Li Y. A Putative Mutation Hotspot of the AGXT Gene Associated with Primary Hyperoxaluria Type 1 in the Chinese Population. TOHOKU J EXP MED 2018; 246:233-241. [DOI: 10.1620/tjem.246.233] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Affiliation(s)
- Xiyuan Li
- Precision Medicine Center, General Hospital of Tianjin Medical University
| | - Jie Gu
- Department of Laboratory Animal Center, Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College
| | - Yanling Yang
- Department of Pediatrics, Peking University First Hospital
| | - Jun Li
- Department of Urology, Beijing Friendship Hospital, Capital Medical University
| | - Yanhan Li
- Department of Laboratory Animal Center, Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College
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29
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Baruteau J, Waddington SN, Alexander IE, Gissen P. Gene therapy for monogenic liver diseases: clinical successes, current challenges and future prospects. J Inherit Metab Dis 2017; 40:497-517. [PMID: 28567541 PMCID: PMC5500673 DOI: 10.1007/s10545-017-0053-3] [Citation(s) in RCA: 75] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Revised: 04/27/2017] [Accepted: 04/28/2017] [Indexed: 02/08/2023]
Abstract
Over the last decade, pioneering liver-directed gene therapy trials for haemophilia B have achieved sustained clinical improvement after a single systemic injection of adeno-associated virus (AAV) derived vectors encoding the human factor IX cDNA. These trials demonstrate the potential of AAV technology to provide long-lasting clinical benefit in the treatment of monogenic liver disorders. Indeed, with more than ten ongoing or planned clinical trials for haemophilia A and B and dozens of trials planned for other inherited genetic/metabolic liver diseases, clinical translation is expanding rapidly. Gene therapy is likely to become an option for routine care of a subset of severe inherited genetic/metabolic liver diseases in the relatively near term. In this review, we aim to summarise the milestones in the development of gene therapy, present the different vector tools and their clinical applications for liver-directed gene therapy. AAV-derived vectors are emerging as the leading candidates for clinical translation of gene delivery to the liver. Therefore, we focus on clinical applications of AAV vectors in providing the most recent update on clinical outcomes of completed and ongoing gene therapy trials and comment on the current challenges that the field is facing for large-scale clinical translation. There is clearly an urgent need for more efficient therapies in many severe monogenic liver disorders, which will require careful risk-benefit analysis for each indication, especially in paediatrics.
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Affiliation(s)
- Julien Baruteau
- Genetics and Genomic Medicine Programme, Great Ormond Street Institute of Child Health, University College London, London, UK.
- Metabolic Medicine Department, Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK.
- Gene Transfer Technology Group, Institute for Women's Health, University College London, London, UK.
| | - Simon N Waddington
- Gene Transfer Technology Group, Institute for Women's Health, University College London, London, UK
- Wits/SAMRC Antiviral Gene Therapy Research Unit, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Ian E Alexander
- Gene Therapy Research Unit, The Children's Hospital at Westmead and Children's Medical Research Institute, Westmead, Australia
- Discipline of Child and Adolescent Health, University of Sydney, Sydney, Australia
| | - Paul Gissen
- Genetics and Genomic Medicine Programme, Great Ormond Street Institute of Child Health, University College London, London, UK
- Metabolic Medicine Department, Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK
- MRC Laboratory for Molecular Cell Biology, University College London, London, UK
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30
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Martin-Higueras C, Torres A, Salido E. Molecular therapy of primary hyperoxaluria. J Inherit Metab Dis 2017; 40:481-489. [PMID: 28425073 DOI: 10.1007/s10545-017-0045-3] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2017] [Revised: 03/20/2017] [Accepted: 04/03/2017] [Indexed: 12/19/2022]
Abstract
During the last few decades, the molecular understanding of the mechanisms involved in primary hyperoxalurias (PHs) has set the stage for novel therapeutic approaches. The availability of PH mouse models has facilitated preclinical studies testing innovative treatments. PHs are autosomal recessive diseases where the enzymatic deficit plays a central pathogenic role. Thus, molecular therapies aimed at restoring such deficit or limiting the consequences of the metabolic derangement could be envisioned, keeping in mind the specific challenges posed by the cell-autonomous nature of the deficiency. Various molecular approaches like enzyme replacement, substrate reduction, pharmacologic chaperones, and gene and cell therapies have been explored in cells and mouse models of disease. Some of these proof-of-concept studies have paved the way to current clinical trials on PH type 1, raising hopes that much needed treatments will become available for this severe inborn error of metabolism.
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Affiliation(s)
- Cristina Martin-Higueras
- Department of Pathology & Nephrology, Centre for Biomedical Research on Rare Diseases (CIBERER) Hospital Universitario Canarias, Universidad La Laguna, Tenerife, Spain
| | - Armando Torres
- Department of Pathology & Nephrology, Centre for Biomedical Research on Rare Diseases (CIBERER) Hospital Universitario Canarias, Universidad La Laguna, Tenerife, Spain
| | - Eduardo Salido
- Department of Pathology & Nephrology, Centre for Biomedical Research on Rare Diseases (CIBERER) Hospital Universitario Canarias, Universidad La Laguna, Tenerife, Spain.
- Department of Pathology, ULL School Medicine, 38320, Tenerife, Spain.
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31
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Affiliation(s)
- Barbara Cellini
- Department of Neuroscience, Biomedicine and Movement Sciences, Section of Biological Chemistry, University of Verona, Verona (VR), Italy
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32
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Pagliarini R, Castello R, Napolitano F, Borzone R, Annunziata P, Mandrile G, De Marchi M, Brunetti-Pierri N, di Bernardo D. In Silico Modeling of Liver Metabolism in a Human Disease Reveals a Key Enzyme for Histidine and Histamine Homeostasis. Cell Rep 2016; 15:2292-2300. [PMID: 27239044 PMCID: PMC4906368 DOI: 10.1016/j.celrep.2016.05.014] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2015] [Revised: 03/29/2016] [Accepted: 04/28/2016] [Indexed: 12/29/2022] Open
Abstract
Primary hyperoxaluria type I (PH1) is an autosomal-recessive inborn error of liver metabolism caused by alanine:glyoxylate aminotransferase (AGT) deficiency. In silico modeling of liver metabolism in PH1 recapitulated accumulation of known biomarkers as well as alteration of histidine and histamine levels, which we confirmed in vitro, in vivo, and in PH1 patients. AGT-deficient mice showed decreased vascular permeability, a readout of in vivo histamine activity. Histamine reduction is most likely caused by increased catabolism of the histamine precursor histidine, triggered by rerouting of alanine flux from AGT to the glutamic-pyruvate transaminase (GPT, also known as the alanine-transaminase ALT). Alanine administration reduces histamine levels in wild-type mice, while overexpression of GPT in PH1 mice increases plasma histidine, normalizes histamine levels, restores vascular permeability, and decreases urinary oxalate levels. Our work demonstrates that genome-scale metabolic models are clinically relevant and can link genotype to phenotype in metabolic disorders. In silico model of liver metabolism reveals global metabolic alterations in PH1 Changes in amino acid metabolism in PH1 result in a reduction of histidine and histamine GPT overexpression normalizes histamine levels and reduces oxalate in PH1 mice
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Affiliation(s)
| | | | | | - Roberta Borzone
- Telethon Institute of Genetics and Medicine, 80078 Pozzuoli, Italy
| | | | - Giorgia Mandrile
- Medical Genetics, San Luigi University Hospital, 10043 Orbassano, Italy; Department of Clinical & Biological Sciences, University of Turin, 10043 Orbassano, Italy
| | - Mario De Marchi
- Medical Genetics, San Luigi University Hospital, 10043 Orbassano, Italy; Department of Clinical & Biological Sciences, University of Turin, 10043 Orbassano, Italy
| | - Nicola Brunetti-Pierri
- Telethon Institute of Genetics and Medicine, 80078 Pozzuoli, Italy; Department of Translational Medicine, Federico II University, 80131 Naples, Italy.
| | - Diego di Bernardo
- Telethon Institute of Genetics and Medicine, 80078 Pozzuoli, Italy; Department of Chemical, Materials and Industrial Engineering, Federico II University, 80125 Naples, Italy.
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