Cited by 17Photodynamic Therapy Research StudiesNanoplatforms for cancer theranosticsImmunotherapy and Immune Responses

Potentiating effect of beta-glucans on photodynamic therapy of implanted cancer cells in mice

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Akramiene, Dalia, Aleksandraviciene, Ceslava, Grazeliene, Grazina, Zalinkevicius, Rimantas, Suziedelis, Kestutis, Didziapetriene, Janina, Simonsen, Ulf, Stankevicius, Edgaras +1 more·2010·The Tohoku Journal of Experimental Medicine

Abstract

Photodynamic therapy (PDT) combines a drug or photosensitizer with a specific type of light to kill cancer cells. The cellular damage induced by PDT leads to activation of the DNA damage repair, which is an important factor for modulating tumor sensitivity to this treatment. beta-Glucans are natural polysaccharides that bind complement receptor 3 on the effector cells, thereby activating them to kill tumor cells during PDT. The hypothesis of the present study was that adjuvant therapy with beta-glucans would increase the efficacy of PDT. C57BL/6 female mice were subcutaneously implanted with Lewis lung carcinoma cells. Ten days after implantation, the mice were administered intravenously sodium porfimer (10 mg/kg) 24 h prior to laser irradiation, with or without oral administration of beta-glucan (400 microg/d/mouse, 5 days) from either barley, baker's yeast, or marine brown algae that contains the storage glucan, laminarin. Tumor volume and necrotic area in excised tumors were measured. The expression of proliferating cell nuclear antigen (PCNA) was determined as an indicator of the activity of the DNA damage repair system. PDT in combination with each beta-glucan significantly reduced tumor growth (P < 0.05, n = 10) and expression of PCNA (P < 0.001, n = 9), and increased necrosis in tumor tissues (P < 0.001, n = 9). Furthermore, each structurally different

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  1. Taylor, C. & Cote, R.J. (1994) Immunomicroscopy: A Diagnostic Tool of the Surgical Pathologist. 2nd ed., WB Saunders, Phila.

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Authors
Akramiene, D., Aleksandraviciene, C., Grazeliene, G., Zalinkevicius, R., Suziedelis, K., Didziapetriene, J., Simonsen, U., Stankevicius, E., & Kevelaitis, E.
Affiliations
  • Department of Physiology, Kaunas University of Medicine
  • Vilnius University (LT)
  • Institute of Oncology, Vilnius University
  • Institute of Endocrinology, Kaunas University of Medicine
  • Aarhus University (DK)
Venue
The Tohoku Journal of Experimental Medicine
Published
2010
Volume
220
Issue
4
Pages
299-306
ISSN
  • 0040-8727 (ISSN-L)
  • 1349-3329
OpenAlex
W2076616337
Cited by
17
References
47
Citations by year
2025: 1 · 2021: 1 · 2020: 2 · 2018: 1 · 2017: 1 · 2016: 1 · 2014: 1 · 2013: 3 · 2012: 2
FWCI
2.40
Type
journal article
Language
en
Open access
Locations
  • The Tohoku Journal of Experimental Medicine (publishedVersion)
  • PubMed (publishedVersion)
  • Lithuanian University of Health Sciences (submittedVersion)
Topics
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Photodynamic Therapy Research Studies
  • Physical Sciences › Engineering › Biomedical Engineering › Nanoplatforms for cancer theranostics
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotherapy and Immune Responses
Keywords
β-glucan, photodynamic therapy, Lewis lung carcinoma, complement receptor 3, DNA repair, proliferating cell nuclear antigen, laminarin, barley β-glucan, tumor necrosis, adjuvant therapy, tumor growth inhibition
MeSH terms
Animals, Combined Modality Therapy, Female, Lasers, Mice, Inbred C57BL, Neoplasms, Photochemotherapy, Xenograft Model Antitumor Assays, beta-Glucans, Mice

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