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- Title
Coffeeberry Activates the CaMKII/CREB/BDNF Pathway, Normalizes Autophagy and Apoptosis Signaling in Nonalcoholic Fatty Liver Rodent Model.
- Authors
Lu, Meng-Chun; Lee, I-Te; Hong, Ling-Zong; Ben-Arie, Eyal; Lin, Yu-Hsuan; Lin, Wei-Ting; Kao, Pei-Yu; Yang, Mei-Due; Chan, Yin-Ching
- Abstract
Nonalcoholic fatty liver disease (NAFLD) shows extensive liver cell destruction with lipid accumulation, which is frequently accompanied by metabolic comorbidities and increases mortality. This study aimed to investigate the effects of coffeeberry (CB) on regulating the redox status, the CaMKII/CREB/BDNF pathway, autophagy, and apoptosis signaling by a NAFLD rodent model senescence-accelerated mice prone 8 (SAMP8). Three-month-old male SAMP8 mice were divided into a control group and three CB groups (50, 100, and 200 mg/kg BW), and fed for 12 weeks. The results show that CB reduced hepatic malondialdehyde and carbonyl protein levels. CB significantly enhanced Ca2+/calmodulin-dependent protein kinase II (CaMKII) and brain-derived neurotrophic factor (BDNF) and reduced the phospho-cAMP response element-binding protein (p-CREB)/CREB ratio. In addition, CB increased the silent information regulator T1 level, promoted Beclin 1 and microtubule-associated protein light chain 3 II expressions, and reduced phosphorylated mammalian target of rapamycin and its downstream p-p70s6k levels. CB also inhibited the expressions of apoptosis-related factors poly (ADP-ribose) polymerase-1 and the apoptosis-inducing factor. In conclusion, CB might protect the liver by reducing oxidative stress, activating the CaMKII/CREB/BDNF pathway, and improving autophagic and apoptotic expressions in a dose-dependent manner.
- Subjects
BIOLOGICAL models; COFFEE; AUTOPHAGY; FATTY liver; PHOSPHOTRANSFERASES; ANIMAL experimentation; APOPTOSIS; CELLULAR signal transduction; MALONDIALDEHYDE; OXIDATIVE stress; TRANSFERASES; BERRIES; BRAIN-derived neurotrophic factor; MICE
- Publication
Nutrients, 2021, Vol 13, Issue 10, p3652
- ISSN
2072-6643
- Publication type
Article
- DOI
10.3390/nu13103652