Hypericum alpestre extract exhibits in vitro and in vivo anticancer properties by regulating the cellular antioxidant system and metabolic pathway of L‐arginine

Mikayel Ginovyan; Hayarpi Javrushyan; Hasmik Karapetyan; Izabela Koss-Mikołajczyk; Barbara Kusznierewicz; Anna Grigoryan; Alina Maloyan; Agnieszka Bartoszek-Pączkowska; Nikolay Avtandilyan

doi:10.1002/cbf.3914

Hypericum alpestre extract exhibits in vitro and in vivo anticancer properties by regulating the cellular antioxidant system and metabolic pathway of L‐arginine

Abstrakt

Conventional treatment methods are not effective enough to fight the rapid increase in cancer cases. The interest is increasing in the investigation of herbal sources for the development of new anticancer therapeutics. This study aims to investigate the antitumor capacity of Hypericum alpestre (H. alpestre) extract in vitro and in vivo, either alone or in combination with the inhibitors of the L‐arginine/polyamine/nitric oxide (NO) pathway, and to characterize its active phytochemicals using advanced chromatographic techniques. Our previous reports suggest beneficial effects of the arginase inhibitor NG‐hydroxy‐nor‐L‐arginine and NO inhibitor NG‐nitro‐Larginine methyl ester in the treatment of breast cancer via downregulation of polyamine and NO synthesis. Here, the antitumor properties of H. alpestre and its combinations were explored in vivo, in a rat model of mammary gland carcinogenesis induced by subcutaneous injection of 7,12‐dimethylbenz[a]anthracene. The study revealed strong antiradical activity of H. alpestre aerial part extract in chemical (DPPH/ABTS) tests. In the in vitro antioxidant activity test, the H. alpestre extract demonstrated pro‐oxidant characteristics in human colorectal (HT29) cells, which were contingent upon the hemostatic condition of the cells. The H. alpestre extract expressed a cytotoxic effect on HT29 and breast cancer (MCF‐7) cells measured by the MTT test. According to comet assay results, H. alpestre extract did not exhibit genotoxic activity nor possessed antigenotoxic properties in HT29 cells. Overall, 233 substances have been identified and annotated in H. alpestre extract using the LC‐Q‐Orbitrap HRMS system. In vivo experiments using rat breast cancer models revealed that the H. alpestre extract activated the antioxidant enzymes in the liver, brain, and tumors. H. alpestre combined with chemotherapeutic agents attenuated cancer‐like histological alterations and showed significant reductions in tumor blood vessel area. Thus, either alone or in combination with Nω‐OH‐nor‐L‐arginine and Nω‐ nitro‐L‐arginine methyl ester, H. alpestre extract exhibits pro‐ and antioxidant, antiangiogenic, and cytotoxic effects.

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Autorzy (9)

Mikayel Ginovyan PhD
Hayarpi Javrushyan
Hasmik Karapetyan
Izabela Koss-Mikołajczyk dr inż.
Barbara Kusznierewicz dr hab. inż.
Anna Grigoryan
Alina Maloyan
Agnieszka Bartoszek-Pączkowska (dawniej: Agnieszka Bartoszek) prof. dr hab. inż.
Nikolay Avtandilyan

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Publikacja w czasopiśmie

Typ:

artykuły w czasopismach

Opublikowano w:

CELL BIOCHEMISTRY AND FUNCTION nr 42,
ISSN: 0263-6484

Język:

angielski

Rok wydania:

2024

Opis bibliograficzny:

Ginovyan M., Javrushyan H., Karapetyan H., Koss-Mikołajczyk I., Kusznierewicz B., Grigoryan A., Maloyan A., Bartoszek A., Avtandilyan N.: Hypericum alpestre extract exhibits in vitro and in vivo anticancer properties by regulating the cellular antioxidant system and metabolic pathway of L‐arginine// CELL BIOCHEMISTRY AND FUNCTION -Vol. 42,iss. 1 (2024), s.e3914-

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