Cited by 46Erythropoietin and Anemia TreatmentIron Metabolism and DisordersHemoglobinopathies and Related Disorders

Treatment of erythropoietin deficiency in mice with systemically administered siRNA

Open access
Querbes, William, Bogorad, Roman L., Moslehi, Javid, Wong, Jamie, Chan, Amy Y., Bulgakova, Elena, Kuchimanchi, Satya, Akinc, Akin +3 more·2012·Blood

Abstract

Anemia linked to a relative deficiency of renal erythropoietin production is a significant cause of morbidity and medical expenditures in the developed world. Recombinant erythropoietin is expensive and has been linked to excess cardiovascular events. Moreover, some patients become refractory to erythropoietin because of increased production of factors such as hepcidin. During fetal life, the liver, rather than the kidney, is the major source of erythropoietin. In the present study, we show that it is feasible to reactivate hepatic erythropoietin production and suppress hepcidin levels using systemically delivered siRNAs targeting the EglN prolyl hydroxylases specifically in the liver, leading to improved RBC production in models of anemia caused by either renal insufficiency or chronic inflammation with enhanced hepcidin production.

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Crossref · 10.1182/blood-2012-04-423715

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  • Hepatic HIF can be sufficiently stimulated pharmacologically to correct anemia resulting from inadequate EPO production or inflammatory conditions.

    “hepatic HIF can be sufficiently stimulated by pharmacologic means to correct anemia that results from inadequate EPO production or from inflammatory conditions. 24, 34”

    From Regulation of erythropoiesis by hypoxia-inducible factors (2013) · cites this paper as [34]

  • Pharmacological inactivation of PHD enzymes with 2OG analogs increases serum EPO levels in animal models and in humans.

    “Pharmacological inactivation of PHD enzymes with 2OG analogs increases serum EPO levels in animal models and in humans”

    From Regulation of erythropoiesis by hypoxia-inducible factors (2013) · cites this paper as [34]

  • Pharmacological inactivation of PHD enzymes with 2OG analogs has the potential to benefit patients with anemia that results from inadequate EPO production.

    “and has the potential to benefit patients with anemia that results from inadequate EPO production.”

    From Regulation of erythropoiesis by hypoxia-inducible factors (2013) · cites this paper as [34]

  • Genetic or pharmacologic inactivation of all three PHDs is required to produce a strong and sustained erythropoietic response.

    “Genetic or pharmacologic inactivation of all three PHDs, however, is required to produce a strong and sustained erythropoietic response.”

    From Regulation of erythropoiesis by hypoxia-inducible factors (2013) · cites this paper as [34]

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Authors
Querbes, W., Bogorad, R. L., Moslehi, J., Wong, J., Chan, A. Y., Bulgakova, E., Kuchimanchi, S., Akinc, A., Fitzgerald, K., Koteliansky, V., & Kaelin, W. G.
Affiliations
  • Alnylam Pharmaceuticals (United States) (US)
  • Massachusetts Institute of Technology (US)
  • Brigham and Women's Hospital (US)
Venue
Blood
Published
2012-08-30
Volume
120
Issue
9
Pages
1916-1922
ISSN
  • 0006-4971 (ISSN-L)
  • 1528-0020
OpenAlex
W2068256856
Cited by
45
References
51
Citations by year
2025: 1 · 2024: 2 · 2022: 1 · 2021: 3 · 2020: 1 · 2019: 3 · 2018: 3 · 2017: 6 · 2016: 4 · 2015: 5 · 2014: 9 · 2013: 5 · 2012: 2
FWCI
4.47
Type
journal article
Language
en
Open access
Locations
  • Blood (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Howard Hughes Medical Institute
  • National Institutes of Health
  • National Cancer Institute (R01CA068490, P50CA101942)
Topics
  • Health Sciences › Medicine › Hematology › Erythropoietin and Anemia Treatment
  • Health Sciences › Medicine › Hematology › Iron Metabolism and Disorders
  • Health Sciences › Medicine › Genetics › Hemoglobinopathies and Related Disorders
Keywords
erythropoietin deficiency, siRNA, hepcidin, renal failure, chronic inflammation, anemia, erythropoiesis
MeSH terms
Anemia, Animals, Base Sequence, Cells, Cultured, Erythropoiesis, Erythropoietin, Feasibility Studies, Female, Humans, Inflammation, Liver, Male, Mice, Inbred C57BL, Mice, Transgenic, Procollagen-Proline Dioxygenase, Mice, Knockout, Antimicrobial Cationic Peptides, RNA Interference, RNA, Small Interfering, Mice, Renal Insufficiency, Hepcidins, Hypoxia-Inducible Factor-Proline Dioxygenases

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