Piperine induces autophagy of colon cancer cells: Dual modulation of AKT/mTOR signaling pathway and ROS production.
Biochem Biophys Res Commun
; 728: 150340, 2024 Oct 08.
Article
en En
| MEDLINE
| ID: mdl-38968770
ABSTRACT
BACKGROUND:
Colorectal cancer (CRC) is a prevalent malignancy and poses a significant clinical challenge. Piperine, an alkaloid molecule extracted from Piper nigrum and Piper longum, has emerged as a promising anticancer agent. However, the molecular mechanisms of piperine' antitumor effects in CRC need to be further elucidated.METHODS:
Human colorectal cancer cells were treated with piperine in vitro. CCK-8 and clone formation assays were adopted to detect cell viability. The accumulation of autophagosomes was assessed by Western blotting and immunofluorescence. Apoptosis and reactive oxygen species (ROS) levels were analyzed by flow. In vivo, a xenograft tumor mouse model was constructed using CT26 cells.RESULTS:
Piperine inhibited CRC cell viability and suppressed tumor weight and volume in a mouse model. Additionally, piperine treatment induced the accumulation of autophagosomes in CRC cells. This effect was attributed to the inhibition of the AKT/mTOR pathway and the accumulation of ROS. activation of AKT or clearance of ROS attenuated piperine-mediated tumor suppression.CONCLUSION:
This study shows that piperine induces autophagy-dependent cell death in CRC cells by increasing ROS production and inhibiting Akt/mTOR signaling.Palabras clave
Texto completo:
1
Colección:
01-internacional
Banco de datos:
MEDLINE
Asunto principal:
Piperidinas
/
Autofagia
/
Transducción de Señal
/
Especies Reactivas de Oxígeno
/
Neoplasias del Colon
/
Alcaloides
/
Benzodioxoles
/
Proteínas Proto-Oncogénicas c-akt
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Alcamidas Poliinsaturadas
/
Serina-Treonina Quinasas TOR
Límite:
Animals
/
Humans
Idioma:
En
Revista:
Biochem Biophys Res Commun
Año:
2024
Tipo del documento:
Article
País de afiliación:
China