{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,7,13]],"date-time":"2024-07-13T19:55:08Z","timestamp":1720900508698},"reference-count":25,"publisher":"Springer Science and Business Media LLC","issue":"1","content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["J Exp Clin Cancer Res"],"published-print":{"date-parts":[[2011,12]]},"abstract":"<jats:title>Abstract<\/jats:title>\n          <jats:sec>\n            <jats:title>Background<\/jats:title>\n            <jats:p>To conserve laryngeal function and elevate living quality of laryngeal squamous cell carcinoma (LSCC) patients, we designed antisense oligodeoxynucleotides (AS-ODNs) to reduce expression of ATM and to enhance the apoptosis of hep-2 (Human epidermoid laryngeal carcinoma) cells to radiation in vitro and in vivo.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Methods<\/jats:title>\n            <jats:p>The expression of ATM mRNA and protein in hep-2 cells were examined by real-time quantitative PCR and western blotting respectively. Clonogenic survival assay was carried out to detect the survival ability of hep-2 cells after irradiation, and analyzed the cell apoptosis by flow cytometry. The volume of solid tumors was measured, while TUNEL assay and western blotting used to analyze cell apoptosis and protein expression after irradiation.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results<\/jats:title>\n            <jats:p>The relative ATM mRNA and protein expression in hep-2 cells treated with ATM AS-ODNs were decreased to 11.03 \u00b1 2.51% and 48.14 \u00b1 5.53% of that in untreated cells respectively (P &lt;0.05). After irradiation, the survival fraction (SF) of cells treated with ATM AS-ODNs was lower than that of other groups at the same dose of radiation (P &lt; 0.05). The inhibition rate in hep-2 cells solid tumor exposed to X-ray alone was 5.95 \u00b1 4.52%, while it was 34.28 \u00b1 2.43% in the group which irradiated in combination with the treatment of ATM AS-ODNs (P &lt; 0.05). The apoptotic index for the group irradiated in combination with ATM AS-ODNs injection was 17.12 \u00b1 4.2%, which was significantly higher than that of others (P &lt; 0.05).<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusion<\/jats:title>\n            <jats:p>AS-ODNs of ATM reduce ATM expression and enhance hep-2 cells apoptosis to radiation in vitro and in vivo.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1186\/1756-9966-30-43","type":"journal-article","created":{"date-parts":[[2011,5,17]],"date-time":"2011-05-17T18:20:26Z","timestamp":1305656426000},"update-policy":"http:\/\/dx.doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Antisense oligodeoxynucleotides targeting ATM strengthen apoptosis of laryngeal squamous cell carcinoma grown in nude mice"],"prefix":"10.1186","volume":"30","author":[{"given":"Jun","family":"Feng","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jian","family":"Zou","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Li","family":"Li","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yongsheng","family":"Zhao","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shixi","family":"Liu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2011,4,17]]},"reference":[{"key":"464_CR1","doi-asserted-by":"publisher","first-page":"144","DOI":"10.1159\/000072252","volume":"65","author":"JG Rhee","year":"2003","unstructured":"Rhee JG, Li D, O'Malley BW, Suntharalingam M: Combination radiation and adenovirus-mediated P16 (INK4A) gene therapy in a murine model for head and neck cancer. 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