Cited by 84Kidney Stones and Urolithiasis TreatmentsRNA Interference and Gene DeliveryMetabolism and Genetic Disorders

Inhibition of glycolate oxidase with dicer-substrate siRNA reduces calcium oxalate deposition in a mouse model of primary hyperoxaluria type 1

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Dutta, Chaitali, Avitahl-Curtis, Nicole, Pursell, Natalie, Larsson Cohen, Marita, Holmes, Benjamin, Diwanji, Rohan, Zhou, Wei, Apponi, Luciano +14 more·2016·Molecular Therapy

Abstract

Primary hyperoxaluria type 1 (PH1) is an autosomal recessive, metabolic disorder caused by mutations of alanine-glyoxylate aminotransferase (AGT), a key hepatic enzyme in the detoxification of glyoxylate arising from multiple normal metabolic pathways to glycine. Accumulation of glyoxylate, a precursor of oxalate, leads to the overproduction of oxalate in the liver, which accumulates to high levels in kidneys and urine. Crystalization of calcium oxalate (CaOx) in the kidney ultimately results in renal failure. Currently, the only treatment effective in reduction of oxalate production in patients who do not respond to high-dose vitamin B6 therapy is a combined liver/kidney transplant. We explored an alternative approach to prevent glyoxylate production using Dicer-substrate small interfering RNAs (DsiRNAs) targeting hydroxyacid oxidase 1 (HAO1) mRNA which encodes glycolate oxidase (GO), to reduce the hepatic conversion of glycolate to glyoxylate. This approach efficiently reduces GO mRNA and protein in the livers of mice and nonhuman primates. Reduction of hepatic GO leads to normalization of urine oxalate levels and reduces CaOx deposition in a preclinical mouse model of PH1. Our results support the use of DsiRNA to reduce liver GO levels as a potential therapeutic approach to treat PH1.

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  • Reduction of GO protein in the liver resulted in reduced urine oxalate levels and calcium oxalate accumulation in the PH-1 mouse model.

    “Moreover, the reduction of GO protein in the liver also resulted in reduced urine oxalate levels and calcium oxalate accumulation in the PH-1 mouse model.[71]”

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Authors
Dutta, C., Avitahl-Curtis, N., Pursell, N., Larsson Cohen, M., Holmes, B., Diwanji, R., Zhou, W., Apponi, L., Koser, M., Ying, B., Chen, D., Shui, X., Saxena, U., Cyr, W. A., Shah, A., Nazef, N., Wang, W., Abrams, M., Dudek, H., Salido, E., Brown, B. D., & Lai, C.
Affiliations
  • Dicerna Pharmaceuticals (United States) (US)
  • Universidad de La Laguna (ES)
Corresponding author
Salido, Eduardo
Venue
Molecular Therapy
Publisher
Elsevier BV
Published
2016-04
Volume
24
Issue
4
Pages
770-778
ISSN
1525-0016 (ISSN-L)
OpenAlex
W2336752135
Cited by
81
References
33
Citations by year
2026: 2 · 2025: 3 · 2024: 2 · 2023: 3 · 2022: 14 · 2021: 11 · 2020: 14 · 2019: 9 · 2018: 10 · 2017: 7 · 2016: 5 · 2015: 1
FWCI
9.24
Type
journal article
Language
en
Open access
Locations
  • Molecular Therapy (publishedVersion, cc-by-nc-nd)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Kidney Stones and Urolithiasis Treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Interference and Gene Delivery
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Clinical Biochemistry › Metabolism and Genetic Disorders
Keywords
primary hyperoxaluria type 1, glycolate oxidase, calcium oxalate deposition, alanine:glyoxylate aminotransferase, nonhuman primate model, mouse model
MeSH terms
Alcohol Oxidoreductases, Animals, Calcium Oxalate, Disease Models, Animal, Glyoxylates, Humans, Hyperoxaluria, Primary, Liver, RNA, Small Interfering, Ribonuclease III, Mice, DEAD-box RNA Helicases, Nanoparticles

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