Artificial Intelligence has suddenly gone from the fringes of science to being everywhere. So how did we get here? And where's this all heading? In this new series of Science Friction, we're finding out.
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Sacituzumab Govitecan Plus Platinum-based Chemotherapy in Breast, Bladder, and Lung Carcinomas
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Content provided by Oncotarget Podcast. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Oncotarget Podcast or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://player.fm/legal.
BUFFALO, NY- March 4, 2024 – A new #research paper was #published in Oncotarget's Volume 15 on February 22, 2024, entitled, “Sacituzumab govitecan plus platinum-based chemotherapy mediates significant antitumor effects in triple-negative breast, urinary bladder, and small-cell lung carcinomas.” Sacituzumab govitecan (SG) is an antibody-drug conjugate composed of an anti-Trop-2-directed antibody conjugated with the topoisomerase I inhibitory drug, SN-38, via a proprietary hydrolysable linker. SG has received United States Food and Drug Administration (FDA) approval to treat metastatic triple-negative breast cancer (TNBC), unresectable locally advanced or metastatic hormone receptor (HR)-positive, human epidermal growth factor receptor 2 (HER2)-negative breast cancer, and accelerated approval for metastatic urothelial cancer (mUC). In this new study, researchers Thomas M. Cardillo, Maria B. Zalath, Roberto Arrojo, Robert M. Sharkey, Serengulam V. Govindan, Chien-Hsing Chang, and David M. Goldenberg from Gilead Sciences and the Center for Molecular Medicine and Immunology investigated the utility of combining SG with platinum-based chemotherapeutics in TNBC, urinary bladder carcinoma (UBC), and small-cell lung carcinoma (SCLC). “Given recent FDA approval of SG in mTNBC and accelerated approval in mUC [metastatic urothelial cancer], as well as its demonstrated clinical activity in SCLC [11], we investigated the possibility of expanding use of SG through combinations with currently utilized chemotherapeutics for these disease indications.” SG plus carboplatin or cisplatin produced additive growth-inhibitory effects in vitro that trended towards synergy. Immunoblot analysis of cell lysates suggests perturbation of the cell-cycle and a shift towards pro-apoptotic signaling evidenced by an increased Bax to Bcl-2 ratio and down-regulation of two anti-apoptotic proteins, Mcl-1 and survivin. Significant antitumor effects were observed with SG plus carboplatin in mice bearing TNBC or SCLC tumors compared to all controls (P < 0.0062 and P < 0.0017, respectively) and with SG plus cisplatin in UBC and SCLC tumor-bearing animals (P < 0.0362 and P < 0.0001, respectively). These combinations were well tolerated by the animals. “Combining SG with platinum-based chemotherapeutics demonstrates the benefit in these indications and warrants further clinical investigation.” DOI - https://doi.org/10.18632/oncotarget.28559 Correspondence to - Thomas M. Cardillo - Thomas.Cardillo1@Gilead.com Sign up for free Altmetric alerts about this article - https://oncotarget.altmetric.com/details/email_updates?id=10.18632%2Foncotarget.28559 Subscribe for free publication alerts from Oncotarget - https://www.oncotarget.com/subscribe/ Keywords - cancer, sacituzumab govitecan, Trop-2, SN-38, carboplatin, cisplatin About Oncotarget Oncotarget (a primarily oncology-focused, peer-reviewed, open access journal) aims to maximize research impact through insightful peer-review; eliminate borders between specialties by linking different fields of oncology, cancer research and biomedical sciences; and foster application of basic and clinical science. To learn more about Oncotarget, please visit https://www.oncotarget.com and connect with us: Facebook - https://www.facebook.com/Oncotarget/ X - https://twitter.com/oncotarget Instagram - https://www.instagram.com/oncotargetjrnl/ YouTube - https://www.youtube.com/@OncotargetJournal LinkedIn - https://www.linkedin.com/company/oncotarget Pinterest - https://www.pinterest.com/oncotarget/ Reddit - https://www.reddit.com/user/Oncotarget/ Spotify - https://open.spotify.com/show/0gRwT6BqYWJzxzmjPJwtVh Media Contact MEDIA@IMPACTJOURNALS.COM 18009220957
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480 episodes
MP3•Episode home
Manage episode 404615265 series 1754503
Content provided by Oncotarget Podcast. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Oncotarget Podcast or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://player.fm/legal.
BUFFALO, NY- March 4, 2024 – A new #research paper was #published in Oncotarget's Volume 15 on February 22, 2024, entitled, “Sacituzumab govitecan plus platinum-based chemotherapy mediates significant antitumor effects in triple-negative breast, urinary bladder, and small-cell lung carcinomas.” Sacituzumab govitecan (SG) is an antibody-drug conjugate composed of an anti-Trop-2-directed antibody conjugated with the topoisomerase I inhibitory drug, SN-38, via a proprietary hydrolysable linker. SG has received United States Food and Drug Administration (FDA) approval to treat metastatic triple-negative breast cancer (TNBC), unresectable locally advanced or metastatic hormone receptor (HR)-positive, human epidermal growth factor receptor 2 (HER2)-negative breast cancer, and accelerated approval for metastatic urothelial cancer (mUC). In this new study, researchers Thomas M. Cardillo, Maria B. Zalath, Roberto Arrojo, Robert M. Sharkey, Serengulam V. Govindan, Chien-Hsing Chang, and David M. Goldenberg from Gilead Sciences and the Center for Molecular Medicine and Immunology investigated the utility of combining SG with platinum-based chemotherapeutics in TNBC, urinary bladder carcinoma (UBC), and small-cell lung carcinoma (SCLC). “Given recent FDA approval of SG in mTNBC and accelerated approval in mUC [metastatic urothelial cancer], as well as its demonstrated clinical activity in SCLC [11], we investigated the possibility of expanding use of SG through combinations with currently utilized chemotherapeutics for these disease indications.” SG plus carboplatin or cisplatin produced additive growth-inhibitory effects in vitro that trended towards synergy. Immunoblot analysis of cell lysates suggests perturbation of the cell-cycle and a shift towards pro-apoptotic signaling evidenced by an increased Bax to Bcl-2 ratio and down-regulation of two anti-apoptotic proteins, Mcl-1 and survivin. Significant antitumor effects were observed with SG plus carboplatin in mice bearing TNBC or SCLC tumors compared to all controls (P < 0.0062 and P < 0.0017, respectively) and with SG plus cisplatin in UBC and SCLC tumor-bearing animals (P < 0.0362 and P < 0.0001, respectively). These combinations were well tolerated by the animals. “Combining SG with platinum-based chemotherapeutics demonstrates the benefit in these indications and warrants further clinical investigation.” DOI - https://doi.org/10.18632/oncotarget.28559 Correspondence to - Thomas M. Cardillo - Thomas.Cardillo1@Gilead.com Sign up for free Altmetric alerts about this article - https://oncotarget.altmetric.com/details/email_updates?id=10.18632%2Foncotarget.28559 Subscribe for free publication alerts from Oncotarget - https://www.oncotarget.com/subscribe/ Keywords - cancer, sacituzumab govitecan, Trop-2, SN-38, carboplatin, cisplatin About Oncotarget Oncotarget (a primarily oncology-focused, peer-reviewed, open access journal) aims to maximize research impact through insightful peer-review; eliminate borders between specialties by linking different fields of oncology, cancer research and biomedical sciences; and foster application of basic and clinical science. To learn more about Oncotarget, please visit https://www.oncotarget.com and connect with us: Facebook - https://www.facebook.com/Oncotarget/ X - https://twitter.com/oncotarget Instagram - https://www.instagram.com/oncotargetjrnl/ YouTube - https://www.youtube.com/@OncotargetJournal LinkedIn - https://www.linkedin.com/company/oncotarget Pinterest - https://www.pinterest.com/oncotarget/ Reddit - https://www.reddit.com/user/Oncotarget/ Spotify - https://open.spotify.com/show/0gRwT6BqYWJzxzmjPJwtVh Media Contact MEDIA@IMPACTJOURNALS.COM 18009220957
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