Citrus Flavonoids from Citrus reticulata Peels Potentially Target an Autophagy Modulator, MAP1LC3A, in Breast Cancer

Citrus flavonoids have been known for their vast biological activities including chemoprevention activities. However, the organic solvent extraction system limits its potential utilization. We recently adopted a hydrodynamic-cavitation method to extract citrus flavonoids from citrus peels. In this s...

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Main Authors: Bayu Anggoro, Dennaya Kumara, Dhella Angelina, Muthi Ikawati
Format: Article
Language:English
Published: Indonesian Society for Cancer Chemoprevention 2022-03-01
Series:ISCC (Indonesian Journal of Cancer Chemoprevention)
Online Access:https://ijcc.chemoprev.org/index.php/ijcc/article/view/374
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author Bayu Anggoro
Dennaya Kumara
Dhella Angelina
Muthi Ikawati
author_facet Bayu Anggoro
Dennaya Kumara
Dhella Angelina
Muthi Ikawati
author_sort Bayu Anggoro
collection DOAJ
description Citrus flavonoids have been known for their vast biological activities including chemoprevention activities. However, the organic solvent extraction system limits its potential utilization. We recently adopted a hydrodynamic-cavitation method to extract citrus flavonoids from citrus peels. In this study we verified the high flavonoid content of the hydrodynamic-cavitation extract from Citrus reticulata peels and explore the potency of its citrus flavonoid contents as targeted chemoprevention agent for breast cancer by using bioinformatics. Based on a thin layer chromatography, the extract positively yielded high content of citrus flavonoids represented by hesperidin. The toxicity analysis by Protox II Online Tool revealed that hesperidin as the major citrus flavonoid in the extract was considered safe with a predicted LD50 of 12,000 mg/kg. We then further exploring citrus flavonoids’ capacity in targeting MAP1LC3A, a key protein in autophagy. UALCAN analysis validated that low expression of MAP1LC3A is associated with low survival rates in breast cancer patients. Limonin, hesperidin, narirutin, neohesperidine, and naringin are flavonoids from citrus peels that predicted to have inhibitory activity against Protein Kinase A (PKA), a negative upstream of MAP1LC3A, calculated by KNIME. Citrus flavonoids scoparone, cirsimaritin, 4',5,7-trimethoxyflavone, eupatorine, and hesperidin were also exhibit similar structure to an agonist of ATG4B, a protein that plays a role in MAP1LC3A activation. Furthermore, eupatorine, hesperidin, and cirsimaritin displayed a high affinity to ATG4B based on a molecular docking. We concluded that citrus flavonoids from citrus peels are safe to normal cells, and the citrus flavonoids potentially targets MAP1LC3A by inhibiting PKA and acting as ATG4B agonists. Thus, this extract-contained flavonoids from citrus peels is potential to be investigated further as a chemoprevention agent by inducing autophagy, especially for breast cancer. Keywords: Citrus reticulata, citrus flavonoid, autophagy, MAP1LC3A, breast cancer.
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spelling doaj.art-76b0b86b245f4b8493a5f32ca9a3b87b2022-12-22T02:10:41ZengIndonesian Society for Cancer ChemopreventionISCC (Indonesian Journal of Cancer Chemoprevention)2088-01972355-89892022-03-0112311412210.14499/indonesianjcanchemoprev12iss3pp114-122229Citrus Flavonoids from Citrus reticulata Peels Potentially Target an Autophagy Modulator, MAP1LC3A, in Breast CancerBayu Anggoro0Dennaya Kumara1Dhella Angelina2Muthi Ikawati3Cancer Chemoprevention Research Center, Faculty of Pharmacy, Universitas Gadjah MadaCancer Chemoprevention Research Center, Faculty of Pharmacy, Universitas Gadjah MadaCancer Chemoprevention Research Center, Faculty of Pharmacy, Universitas Gadjah MadaFaculty of Pharmacy, Universitas Gadjah MadaCitrus flavonoids have been known for their vast biological activities including chemoprevention activities. However, the organic solvent extraction system limits its potential utilization. We recently adopted a hydrodynamic-cavitation method to extract citrus flavonoids from citrus peels. In this study we verified the high flavonoid content of the hydrodynamic-cavitation extract from Citrus reticulata peels and explore the potency of its citrus flavonoid contents as targeted chemoprevention agent for breast cancer by using bioinformatics. Based on a thin layer chromatography, the extract positively yielded high content of citrus flavonoids represented by hesperidin. The toxicity analysis by Protox II Online Tool revealed that hesperidin as the major citrus flavonoid in the extract was considered safe with a predicted LD50 of 12,000 mg/kg. We then further exploring citrus flavonoids’ capacity in targeting MAP1LC3A, a key protein in autophagy. UALCAN analysis validated that low expression of MAP1LC3A is associated with low survival rates in breast cancer patients. Limonin, hesperidin, narirutin, neohesperidine, and naringin are flavonoids from citrus peels that predicted to have inhibitory activity against Protein Kinase A (PKA), a negative upstream of MAP1LC3A, calculated by KNIME. Citrus flavonoids scoparone, cirsimaritin, 4',5,7-trimethoxyflavone, eupatorine, and hesperidin were also exhibit similar structure to an agonist of ATG4B, a protein that plays a role in MAP1LC3A activation. Furthermore, eupatorine, hesperidin, and cirsimaritin displayed a high affinity to ATG4B based on a molecular docking. We concluded that citrus flavonoids from citrus peels are safe to normal cells, and the citrus flavonoids potentially targets MAP1LC3A by inhibiting PKA and acting as ATG4B agonists. Thus, this extract-contained flavonoids from citrus peels is potential to be investigated further as a chemoprevention agent by inducing autophagy, especially for breast cancer. Keywords: Citrus reticulata, citrus flavonoid, autophagy, MAP1LC3A, breast cancer.https://ijcc.chemoprev.org/index.php/ijcc/article/view/374
spellingShingle Bayu Anggoro
Dennaya Kumara
Dhella Angelina
Muthi Ikawati
Citrus Flavonoids from Citrus reticulata Peels Potentially Target an Autophagy Modulator, MAP1LC3A, in Breast Cancer
ISCC (Indonesian Journal of Cancer Chemoprevention)
title Citrus Flavonoids from Citrus reticulata Peels Potentially Target an Autophagy Modulator, MAP1LC3A, in Breast Cancer
title_full Citrus Flavonoids from Citrus reticulata Peels Potentially Target an Autophagy Modulator, MAP1LC3A, in Breast Cancer
title_fullStr Citrus Flavonoids from Citrus reticulata Peels Potentially Target an Autophagy Modulator, MAP1LC3A, in Breast Cancer
title_full_unstemmed Citrus Flavonoids from Citrus reticulata Peels Potentially Target an Autophagy Modulator, MAP1LC3A, in Breast Cancer
title_short Citrus Flavonoids from Citrus reticulata Peels Potentially Target an Autophagy Modulator, MAP1LC3A, in Breast Cancer
title_sort citrus flavonoids from citrus reticulata peels potentially target an autophagy modulator map1lc3a in breast cancer
url https://ijcc.chemoprev.org/index.php/ijcc/article/view/374
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AT dhellaangelina citrusflavonoidsfromcitrusreticulatapeelspotentiallytargetanautophagymodulatormap1lc3ainbreastcancer
AT muthiikawati citrusflavonoidsfromcitrusreticulatapeelspotentiallytargetanautophagymodulatormap1lc3ainbreastcancer