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  • Kristiansson, AmandaLund University,Lunds universitet,Antioxidationsmedicin,Forskargrupper vid Lunds universitet,Antioxidation medicine,Lund University Research Groups (author)

Protection of Kidney Function with Human Antioxidation Protein α 1 -Microglobulin in a Mouse 177 Lu-DOTATATE Radiation Therapy Model

  • Article/chapterEnglish2019

Publisher, publication year, extent ...

  • Mary Ann Liebert Inc,2019

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  • LIBRIS-ID:oai:gup.ub.gu.se/281607
  • https://gup.ub.gu.se/publication/281607URI
  • https://doi.org/10.1089/ars.2018.7517DOI
  • http://kipublications.ki.se/Default.aspx?queryparsed=id:140755864URI
  • https://lup.lub.lu.se/record/4bf54171-f517-4879-bdf8-e2ff94158c12URI

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  • Language:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Aims: Peptide receptor radionuclide therapy (PRRT) is in clinical use today to treat metastatic neuroendocrine tumors. Infused, radiolabeled, somatostatin analog peptides target tumors that are killed by irradiation damage. The peptides, however, are also retained in kidneys due to glomerular filtration, and the administered doses must be limited to avoid kidney damage. The human radical scavenger and antioxidant, α 1 -microglobulin (A1M), has previously been shown to protect bystander tissue against irradiation damage and has pharmacokinetic and biodistribution properties similar to somatostatin analogs. In this study, we have investigated if A1M can be used as a renal protective agent in PRRT. Results: We describe nephroprotective effects of human recombinant A1M on the short- and long-term renal damage observed following lutetium 177 ( 177 Lu)-DOTATATE (150 MBq) exposure in BALB/c mice. After 1, 4, and 8 days (short term), 177 Lu-DOTATATE injections resulted in increased formation of DNA double-strand breaks in the renal cortex, upregulated expression of apoptosis and stress response-related genes, and proteinuria (albumin in urine), all of which were significantly suppressed by coadministration of A1M (7 mg/kg). After 6, 12, and 24 weeks (long term), 177 Lu-DOTATATE injections resulted in increased animal death, kidney lesions, glomerular loss, upregulation of stress genes, proteinuria, and plasma markers of reduced kidney function, all of which were suppressed by coadministration of A1M. Innovation and Conclusion: This study demonstrates that A1M effectively inhibits radiation-induced renal damage. The findings suggest that A1M may be used as a radioprotector during clinical PRRT, potentially facilitating improved tumor control and enabling more patients to receive treatment. © Amanda Kristiansson et al. 2018; Published by Mary Ann Liebert, Inc.

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  • Ahlstedt, JonasLund University,Lunds universitet,Antioxidationsmedicin,Forskargrupper vid Lunds universitet,Antioxidation medicine,Lund University Research Groups(Swepub:lu)med-jat (author)
  • Holmqvist, BoImaGene-iT AB(Swepub:lu)zool-bho (author)
  • Brinte, A.ImaGene-iT AB (author)
  • Tran, Thuy A.Karolinska Institute,Lund University,Lunds universitet,Karolinska Institutet,Tumörmikromiljö,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Tumor microenvironment,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine(Swepub:lu)med-tht (author)
  • Forssell-Aronsson, Eva,1961University of Gothenburg,Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för radiofysik,Sahlgrenska Cancer Center,Institute of Clinical Sciences, Department of Radiation Physics(Swepub:gu)xforev (author)
  • Strand, Sven ErikLund University,Lunds universitet,Forskningsgruppen för Systemisk strålterapi,Forskargrupper vid Lunds universitet,Systemic Radiation Therapy Group,Lund University Research Groups(Swepub:lu)rafy-ses (author)
  • Gram, MagnusLund University,Lunds universitet,Antioxidationsmedicin,Forskargrupper vid Lunds universitet,Antioxidation medicine,Lund University Research Groups,Skåne University Hospital(Swepub:lu)medk-mo0 (author)
  • Akerström, BoLund University,Lunds universitet,Antioxidationsmedicin,Forskargrupper vid Lunds universitet,Antioxidation medicine,Lund University Research Groups(Swepub:lu)medk-bak (author)
  • AntioxidationsmedicinForskargrupper vid Lunds universitet (creator_code:org_t)

Related titles

  • In:Antioxidants and Redox Signaling: Mary Ann Liebert Inc30:14, s. 1746-17591523-08641557-7716

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