The role of bidirectional communication between the adipokines and the endogenous opioid system in an experimental mouse model of colitis-associated colorectal cancer
© 2024. The Author(s) under exclusive licence to Maj Institute of Pharmacology Polish Academy of Sciences..
BACKGROUND: Colorectal cancer (CRC) is one of the leading causes of death globally. Multiple factors may contribute to the pathogenesis of CRC, including the abnormalities in the functioning of the endogenous opioid system (EOS) or adiponectin-related signaling. The aim of our study was to evaluate if differences in the expression of opioid receptors (ORs) influence the development of CRC and if modulation of adiponectin receptors using AdipoRon, a selective AdipoR1 receptor agonist, affects colorectal carcinogenesis.
METHODS: Naltrexone, an opioid receptor antagonist, was injected intraperitoneally every second day for 2 weeks, at the dose of 1 mg/kg in healthy Balb/C mice to induce changes in ORs expression. CRC was induced by a single intraperitoneal injection of azoxymethane (AOM) and the addition of dextran sodium sulfate (DSS) into drinking water in three-week cycles. The development of CRC was assessed using macro- and microscopic scoring and molecular analysis (RT qPCR, ELISA) after 14 weeks.
RESULTS: Naltrexone significantly increased the mRNA expression of Oprm1, Oprd1, and Oprk1 in the mouse colon and in the brain (non-significantly). The pretreatment of mice with naltrexone aggravated the course of CRC (as indicated by tumor area, colon thickness, and spleen weight). The level of circulatory adiponectin was lowered in mice with CRC and increased in the colon as compared with healthy mice. The β-endorphin level was increased in the plasma of mice with CRC and decreased in the colon as compared to healthy mice. AdipoRon, AdipoR1 agonist, worsened the CRC development, and pretreatment with naltrexone enhanced this negative effect in mice. CRC did not affect the expression of the Adipor1 gene, but the Adipor1 level was increased in mice pretreated with naltrexone (AOM/DSS and healthy mice). AdipoRon did not influence the expression of opioid receptors at the mRNA level in the colon of mice with CRC. The mRNA expression of Ptgs2, Il6, Nos2, Il1b, Il18, Gsdmd, and Rela was increased in mice with CRC as compared to the healthy colon. AdipoRon significantly decreased mRNA expression of Ptgs2, Il6, Il1b, and Il18 as compared to CRC mice.
CONCLUSION: EOS and adiponectin-related signaling may play a role in the pathogenesis of CRC and these systems may present some additivity during carcinogenesis.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:76 |
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| Enthalten in: |
Pharmacological reports : PR - 76(2024), 1 vom: 02. Feb., Seite 112-126 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Szymaszkiewicz, Agata [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 02.02.2024 Date Revised 02.02.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1007/s43440-023-00566-1 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM367270625 |
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| 100 | 1 | |a Szymaszkiewicz, Agata |e verfasserin |4 aut | |
| 245 | 1 | 4 | |a The role of bidirectional communication between the adipokines and the endogenous opioid system in an experimental mouse model of colitis-associated colorectal cancer |
| 264 | 1 | |c 2024 | |
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| 500 | |a Date Revised 02.02.2024 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a © 2024. The Author(s) under exclusive licence to Maj Institute of Pharmacology Polish Academy of Sciences. | ||
| 520 | |a BACKGROUND: Colorectal cancer (CRC) is one of the leading causes of death globally. Multiple factors may contribute to the pathogenesis of CRC, including the abnormalities in the functioning of the endogenous opioid system (EOS) or adiponectin-related signaling. The aim of our study was to evaluate if differences in the expression of opioid receptors (ORs) influence the development of CRC and if modulation of adiponectin receptors using AdipoRon, a selective AdipoR1 receptor agonist, affects colorectal carcinogenesis | ||
| 520 | |a METHODS: Naltrexone, an opioid receptor antagonist, was injected intraperitoneally every second day for 2 weeks, at the dose of 1 mg/kg in healthy Balb/C mice to induce changes in ORs expression. CRC was induced by a single intraperitoneal injection of azoxymethane (AOM) and the addition of dextran sodium sulfate (DSS) into drinking water in three-week cycles. The development of CRC was assessed using macro- and microscopic scoring and molecular analysis (RT qPCR, ELISA) after 14 weeks | ||
| 520 | |a RESULTS: Naltrexone significantly increased the mRNA expression of Oprm1, Oprd1, and Oprk1 in the mouse colon and in the brain (non-significantly). The pretreatment of mice with naltrexone aggravated the course of CRC (as indicated by tumor area, colon thickness, and spleen weight). The level of circulatory adiponectin was lowered in mice with CRC and increased in the colon as compared with healthy mice. The β-endorphin level was increased in the plasma of mice with CRC and decreased in the colon as compared to healthy mice. AdipoRon, AdipoR1 agonist, worsened the CRC development, and pretreatment with naltrexone enhanced this negative effect in mice. CRC did not affect the expression of the Adipor1 gene, but the Adipor1 level was increased in mice pretreated with naltrexone (AOM/DSS and healthy mice). AdipoRon did not influence the expression of opioid receptors at the mRNA level in the colon of mice with CRC. The mRNA expression of Ptgs2, Il6, Nos2, Il1b, Il18, Gsdmd, and Rela was increased in mice with CRC as compared to the healthy colon. AdipoRon significantly decreased mRNA expression of Ptgs2, Il6, Il1b, and Il18 as compared to CRC mice | ||
| 520 | |a CONCLUSION: EOS and adiponectin-related signaling may play a role in the pathogenesis of CRC and these systems may present some additivity during carcinogenesis | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a AdipoRon | |
| 650 | 4 | |a Adiponectin | |
| 650 | 4 | |a Colorectal cancer | |
| 650 | 4 | |a Opioid receptors | |
| 650 | 4 | |a Opioids | |
| 650 | 7 | |a Interleukin-18 |2 NLM | |
| 650 | 7 | |a Analgesics, Opioid |2 NLM | |
| 650 | 7 | |a Interleukin-6 |2 NLM | |
| 650 | 7 | |a Adipokines |2 NLM | |
| 650 | 7 | |a Naltrexone |2 NLM | |
| 650 | 7 | |a 5S6W795CQM |2 NLM | |
| 650 | 7 | |a Adiponectin |2 NLM | |
| 650 | 7 | |a Cyclooxygenase 2 |2 NLM | |
| 650 | 7 | |a EC 1.14.99.1 |2 NLM | |
| 650 | 7 | |a Azoxymethane |2 NLM | |
| 650 | 7 | |a MO0N1J0SEN |2 NLM | |
| 650 | 7 | |a Receptors, Opioid |2 NLM | |
| 650 | 7 | |a RNA, Messenger |2 NLM | |
| 650 | 7 | |a Dextran Sulfate |2 NLM | |
| 650 | 7 | |a 9042-14-2 |2 NLM | |
| 700 | 1 | |a Mierzejewski, Mikołaj |e verfasserin |4 aut | |
| 700 | 1 | |a Januszkiewicz, Emilia |e verfasserin |4 aut | |
| 700 | 1 | |a Machelak, Weronika |e verfasserin |4 aut | |
| 700 | 1 | |a Talar, Marcin |e verfasserin |4 aut | |
| 700 | 1 | |a Włodarczyk, Jakub |e verfasserin |4 aut | |
| 700 | 1 | |a Świerczyński, Mikołaj |e verfasserin |4 aut | |
| 700 | 1 | |a Kordek, Radzisław |e verfasserin |4 aut | |
| 700 | 1 | |a Fichna, Jakub |e verfasserin |4 aut | |
| 700 | 1 | |a Zielińska, Marta |e verfasserin |4 aut | |
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