{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T10:44:57Z","timestamp":1777891497697,"version":"3.51.4"},"reference-count":77,"publisher":"SAGE Publications","issue":"1","license":[{"start":{"date-parts":[[2018,11,29]],"date-time":"2018-11-29T00:00:00Z","timestamp":1543449600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Journal of X-Ray Science and Technology: Clinical Applications of Diagnosis and Therapeutics"],"published-print":{"date-parts":[[2019,4,1]]},"abstract":"<jats:sec>\n                    <jats:title>BACKGROUND:<\/jats:title>\n                    <jats:p>SPECT MPI (Single photon emission computed tomography myocardial perfusion imaging) is an essential tool for diagnosis of cardiovascular disease, but it also involves considerable exposure to ionizing radiation.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>OBJECTIVE:<\/jats:title>\n                    <jats:p>\n                      To determine the radioprotective potential of lipoic acid free and nano-capsule against\n                      <jats:sup>99m<\/jats:sup>\n                      Tc-MIBI-induced injury in cardiovascular tissue.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>METHODS:<\/jats:title>\n                    <jats:p>The radioprotective ability was assessed by blood count, histopathology and heart enzymes in different groups of mice. Hearts of mice from all groups were dissected and prepared for oxidative stress analysis of superoxide dismutase (SOD) and malondialdehyde (MDA). Furthermore, levels of DNA damage in heart and bone marrow cells were evaluated by alkaline comet assay technique. The same measurements were estimated after treating the mice with lipoic acid.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>RESULTS:<\/jats:title>\n                    <jats:p>\n                      Comparing mice injected by radiopharmaceutics with control group showed a significant depression in the count of white blood cells (WBC) by about 40 % at 24 &amp;72\u200ahrs post-radiopharmaceutical administration. Moreover, platelets count was decreased by 27% at 72\u200ahrs post-radiopharmaceutical administration. Radiation also dropped in super oxide dismutase (SOD) and increased in activity of heart enzymes and level of MDA (Malondialdehyde). Additionally, histopathological observation was characterized by focal necrosis of cardiac myocytes.\n                      <jats:sup>99m<\/jats:sup>\n                      Tc-MIBI induced DNA damage had significant increase. Nevertheless, pretreatment with free and lipoic acid nano-capsules (LANC\u2019s) prevented the reduction induced in WBCs and platelets, and improved their counts significantly. Conversely pre-treatment with lipoic acid free and nano-capsule significantly increased the activity of SOD and decreased the level of MDA and therefore protected the cardiovascular tissues and reduced DNA strand-break, consequently and enhanced the body weight of the mice.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>CONCLUSIONS:<\/jats:title>\n                    <jats:p>These findings highlight the efficacy of lipoic acid free and nano-capsule as a radio protector.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.3233\/xst-180438","type":"journal-article","created":{"date-parts":[[2018,11,30]],"date-time":"2018-11-30T12:25:58Z","timestamp":1543580758000},"page":"83-96","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":6,"title":["Radio-protective potential of lipoic acid free and nano-capsule against\n                    <sup>99m<\/sup>\n                    Tc-MIBI induced injury in cardio vascular tissue"],"prefix":"10.1177","volume":"27","author":[{"given":"Reem H.","family":"EL-Gebaly","sequence":"first","affiliation":[{"name":"Department of Biophysics, Faculty of Science, Cairo University, Giza, Egypt"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Monira M.","family":"Rageh","sequence":"additional","affiliation":[{"name":"Department of Biophysics, Faculty of Science, Cairo University, Giza, Egypt"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Islam K.","family":"Maamoun","sequence":"additional","affiliation":[{"name":"Intensive Care Unit, Faculty of Medicine, Cairo University, Giza, 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