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This study investigates the radioprotective potential of\n                      <jats:italic toggle=\"yes\">Gentiana lutea<\/jats:italic>\n                      root extract (GRE), a natural product known for its antioxidant properties.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Research Design<\/jats:title>\n                    <jats:p>The GRE composition was analysed using ultra-performance liquid chromatography (UPLC). Peripheral blood mononuclear cells were treated with 0.25-2 mg\/mL GRE 24 hours prior to 0.5 and 2 Gy gamma radiation exposure (Co-60 source). Oxidative stress and antioxidant responses were evaluated via lipid peroxidation products, reduced glutathione, and pro-oxidant\/antioxidant balance assays. Genomic damage was assessed using the micronuclei test, comet and colorimetric DNA fragmentation assay, and DNA repair was assessed through evaluation of gene expression levels that are involved in base excision repair.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The presence of gentiopicroside, loganic acid, sweroside, swertiamarin, and rosmarinic acid was confirmed by UPLC analysis. GRE pretreatment significantly improved cell viability, reduced oxidative and genomic damage, and enhanced antioxidative responses in irradiated cells.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>\n                      Natural compounds in GRE induce cellular responses that attenuate sublethal radiation damage in human PBMCs\n                      <jats:italic toggle=\"yes\">in vitro<\/jats:italic>\n                      , supporting its further evaluation as a potential radioprotective strategy.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/15593258261435484","type":"journal-article","created":{"date-parts":[[2026,3,16]],"date-time":"2026-03-16T09:59:36Z","timestamp":1773655176000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["<i>Gentiana lutea<\/i>\n                    Root Extract Attenuates Radiation-Induced Damage in Human PBMCs\n                    <i>in vitro<\/i>"],"prefix":"10.1177","volume":"24","author":[{"given":"Mila","family":"Kosti\u0107","sequence":"first","affiliation":[{"name":"University of Belgrade"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jelena","family":"Filipovi\u0107 Tri\u010dkovi\u0107","sequence":"additional","affiliation":[{"name":"University of Belgrade"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ksenija","family":"Rado\u0161evi\u0107","sequence":"additional","affiliation":[{"name":"University of Belgrade"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tamara","family":"Lazarevi\u0107 Pa\u0161ti","sequence":"additional","affiliation":[{"name":"University of Belgrade"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Srboljub","family":"Stankovi\u0107","sequence":"additional","affiliation":[{"name":"University of Belgrade"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ivana","family":"Koli\u0107","sequence":"additional","affiliation":[{"name":"University of Belgrade"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Aleksandra","family":"Stankovi\u0107","sequence":"additional","affiliation":[{"name":"University of Belgrade"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8429-1399","authenticated-orcid":false,"given":"Ana","family":"Valenta \u0160obot","sequence":"additional","affiliation":[{"name":"University of Belgrade"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2026,3,16]]},"reference":[{"key":"e_1_3_5_2_2","doi-asserted-by":"publisher","DOI":"10.4103\/2277-9175.115821"},{"key":"e_1_3_5_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.emc.2013.10.002"},{"key":"e_1_3_5_4_2","doi-asserted-by":"publisher","DOI":"10.1002\/1098-2280(2000)36:1<47::aid-em7>3.3.co;2-1"},{"key":"e_1_3_5_5_2","doi-asserted-by":"publisher","DOI":"10.1089\/ars.2013.5489"},{"key":"e_1_3_5_6_2","doi-asserted-by":"publisher","DOI":"10.1177\/15593258211056196"},{"key":"e_1_3_5_7_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0027-5107(00)00065-8"},{"key":"e_1_3_5_8_2","doi-asserted-by":"publisher","DOI":"10.4103\/jpbs.jpbs_502_21"},{"key":"e_1_3_5_9_2","doi-asserted-by":"publisher","DOI":"10.1093\/mutage\/geac006"},{"key":"e_1_3_5_10_2","doi-asserted-by":"publisher","DOI":"10.2478\/aiht-2020-71-3476"},{"key":"e_1_3_5_11_2","doi-asserted-by":"publisher","DOI":"10.3390\/antiox11122345"},{"key":"e_1_3_5_12_2","doi-asserted-by":"publisher","DOI":"10.2174\/1871520621666210419095829"},{"key":"e_1_3_5_13_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jep.2024.117926"},{"key":"e_1_3_5_14_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.heliyon.2023.e17068"},{"key":"e_1_3_5_15_2","doi-asserted-by":"publisher","DOI":"10.1002\/0471142735.ima03bs111"},{"key":"e_1_3_5_16_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.clinbiochem.2006.10.017"},{"key":"e_1_3_5_17_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ab.2016.10.021"},{"key":"e_1_3_5_18_2","doi-asserted-by":"publisher","DOI":"10.1016\/0003-9861(59)90090-6"},{"key":"e_1_3_5_19_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.canlet.2007.08.002"},{"key":"e_1_3_5_20_2","doi-asserted-by":"publisher","DOI":"10.1016\/s1383-5718(02)00249-8"},{"key":"e_1_3_5_21_2","article-title":"Quantitation of DNA fragmentation with diphenylamine","author":"Boraschi D","unstructured":"Boraschi D, Maurizi G. 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