Year

2017

Type(s)

Journal Article

Author(s)

Szejk, Magdalena and Poplawski, Tomasz and Sarnik, Joanna and Pawlaczyk-Graja, Izabela and Czechowski, Franciszek and Olejnik, Alicja Klaudia and Gancarz, Roman and Zbikowska, Halina Malgorzata

Source

International Journal of Biological Macromolecules, 94(Pt A): 585—593, 2017

BibTeX

BibTeX

BibTeX

@article{szejk_polyphenolic_2017, title = {Polyphenolic glycoconjugates from medical plants of {Rosaceae}/{Asteraceae} family protect human lymphocytes against γ-radiation-induced damage}, volume = {94}, issn = {1879-0003}, doi = {10.1016/j.ijbiomac.2016.10.053}, abstract = {Radioprotective effects of the water-soluble polyphenolic glycoconjugates, isolated from flowers of Sanguisorba officinalis L.(SO) and Erigeron canadensis L.(EC), and from leaves of Fragaria vesca L. (FV) and Rubus plicatus Whe. Et N. E. (RP), against γ-radiation-induced toxicity in human peripheral blood lymphocytes were investigated. Cell treatment with glycoconjugates (1, 5 and 25μg/mL) prior exposure to 10/15Gy radiation resulted in concentration-dependent reduction of DNA damage including oxidative DNA lesions (comet assay), substantial inhibition of lipid peroxidation (TBARS) and restoration of superoxide dismutase and S-glutathione transferase activities. Glycoconjugates isolated from SO and EC ensured better protection versus these from RP and FV, with the SO product potential comparable to that of the reference quercetin. Strong antioxidant/radioprotective activity of the SO and EC glycoconjugates could be attributed to high abundance of syringol-type and ferulic acid units in their matrices, respectively. Moreover, polyphenolic glycoconjugates (25μg/mL), including RP and FV products, significantly decreased DNA damage when applied post-radiation suggesting their modulating effects on DNA repair pathways. Preliminary data on the glycoconjugate phenolic structural units, based on GLC/MS of the products of pyrolysis and in situ methylation, in relation to application of plant products as potential radioprotectors is promising and deserves further investigation.}, language = {eng}, number = {Pt A}, journal = {International Journal of Biological Macromolecules}, author = {Szejk, Magdalena and Poplawski, Tomasz and Sarnik, Joanna and Pawlaczyk-Graja, Izabela and Czechowski, Franciszek and Olejnik, Alicja Klaudia and Gancarz, Roman and Zbikowska, Halina Malgorzata}, month = jan, year = {2017}, pmid = {27769934}, keywords = {Humans, DNA Repair, Antioxidants, DNA Fragmentation, Leukocytes, Mononuclear, Superoxide Dismutase, Gamma Rays, Glutathione Transferase, comet assay, Asteraceae, Glycoconjugates, Quercetin, Radiation-Protective Agents, Radioprotector, Rosaceae, Coumaric Acids, Plant Extracts, Polyphenolic-polysaccharide antioxidant, Primary Cell Culture, Pyrogallol, Thiobarbituric Acid Reactive Substances, γ-Radiation}, pages = {585--593}