Community-engaged basic science in an NCI-designated comprehensive cancer center : antioxidants and chemotherapeutic efficacy
© 2023. The Author(s), under exclusive licence to Springer Nature Switzerland AG..
PURPOSE: While community engagement has been a longstanding aspect of cancer-relevant research in social and behavioral sciences, it is far less common in basic/translational/clinical research. With the National Cancer Institute's incorporation of Community Outreach and Engagement into the Cancer Center Support Grant guidelines, successful models are desirable. We report on a pilot study supported by the University of Maryland Greenebaum Comprehensive Cancer Center (UMGCCC), that used a community-engaged, data-driven process to inform a pre-clinical study of the impact of antioxidants on the efficacy of platinum-based chemotherapeutics.
METHODS: We conducted a survey of UMGCCC catchment area residents (n = 120) to identify commonly used antioxidants. We then evaluated the effect of individually combining commonly used antioxidants from the survey (vitamin C, green tea, and melatonin) with platinum agents in models of non-small cell lung cancer (A549), colon adenocarcinoma (SW620) and head and neck squamous cell carcinoma (FaDu).
RESULTS: In vitro, the anti-neoplastic activity of each chemotherapy was not potentiated by any of the antioxidants. Instead, when combined at fixed ratios, most antioxidant-chemotherapy combinations were antagonistic. In vivo, addition of antioxidants did not improve chemotherapeutic efficacy and in a FaDu-tumor bearing model, cisplatin-mediated tumor growth inhibition was significantly impeded by the addition of epigallocatechin gallate, the main antioxidant in green tea.
CONCLUSION: These initial findings do not support addition of antioxidant supplementation to improve platinum-based chemotherapeutic efficacy. This study's approach can serve as a model of how to bring together the two seemingly discordant areas of basic research and community engagement.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:35 |
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| Enthalten in: |
Cancer causes & control : CCC - 35(2024), 3 vom: 01. Feb., Seite 417-427 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Bollino, Dominique [VerfasserIn] |
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| Links: |
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| Themen: |
Antioxidants |
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| Anmerkungen: |
Date Completed 06.02.2024 Date Revised 06.02.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1007/s10552-023-01806-8 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM363055088 |
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| 500 | |a published: Print-Electronic | ||
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| 520 | |a © 2023. The Author(s), under exclusive licence to Springer Nature Switzerland AG. | ||
| 520 | |a PURPOSE: While community engagement has been a longstanding aspect of cancer-relevant research in social and behavioral sciences, it is far less common in basic/translational/clinical research. With the National Cancer Institute's incorporation of Community Outreach and Engagement into the Cancer Center Support Grant guidelines, successful models are desirable. We report on a pilot study supported by the University of Maryland Greenebaum Comprehensive Cancer Center (UMGCCC), that used a community-engaged, data-driven process to inform a pre-clinical study of the impact of antioxidants on the efficacy of platinum-based chemotherapeutics | ||
| 520 | |a METHODS: We conducted a survey of UMGCCC catchment area residents (n = 120) to identify commonly used antioxidants. We then evaluated the effect of individually combining commonly used antioxidants from the survey (vitamin C, green tea, and melatonin) with platinum agents in models of non-small cell lung cancer (A549), colon adenocarcinoma (SW620) and head and neck squamous cell carcinoma (FaDu) | ||
| 520 | |a RESULTS: In vitro, the anti-neoplastic activity of each chemotherapy was not potentiated by any of the antioxidants. Instead, when combined at fixed ratios, most antioxidant-chemotherapy combinations were antagonistic. In vivo, addition of antioxidants did not improve chemotherapeutic efficacy and in a FaDu-tumor bearing model, cisplatin-mediated tumor growth inhibition was significantly impeded by the addition of epigallocatechin gallate, the main antioxidant in green tea | ||
| 520 | |a CONCLUSION: These initial findings do not support addition of antioxidant supplementation to improve platinum-based chemotherapeutic efficacy. This study's approach can serve as a model of how to bring together the two seemingly discordant areas of basic research and community engagement | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Antioxidants | |
| 650 | 4 | |a Chemotherapy | |
| 650 | 4 | |a Community engagement | |
| 650 | 4 | |a Population science | |
| 650 | 4 | |a Preclinical research | |
| 650 | 7 | |a Antioxidants |2 NLM | |
| 650 | 7 | |a Tea |2 NLM | |
| 700 | 1 | |a Woodard, Nathaniel |e verfasserin |4 aut | |
| 700 | 1 | |a Tighe, Kayla M |e verfasserin |4 aut | |
| 700 | 1 | |a Ma, Xinrong |e verfasserin |4 aut | |
| 700 | 1 | |a Casildo, Andrea |e verfasserin |4 aut | |
| 700 | 1 | |a D'Adamo, Christopher R |e verfasserin |4 aut | |
| 700 | 1 | |a Emadi, Ashkan |e verfasserin |4 aut | |
| 700 | 1 | |a Knott, Cheryl L |e verfasserin |4 aut | |
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