Synthesis and cytotoxic activity of madecassic acid-silybin conjugate compounds in liver cancer cells

A series of 14 conjugates of 2α,3β,23-triacetyl-madecassic acid and silybin were designed and synthesized. The madecassic acid unit was linked to silybin either directly at position C-7 or C-3; or through an amino acid linker (glycine, β-alanine, or 11-aminoundecanoic acid) at position C-3. The conj...

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Veröffentlicht in:MedChemComm 2024-10, Vol.15 (1), p.3418-3432
Hauptverfasser: Tran, Chien Van, Tran, Thao Thi Phuong, Nguyen, Anh The, Tran, Loc Van, Pham, Ninh Thi, Nguyen, Luu Thi, Nguyen, Dung Thi, Garrett, Michelle D, Nguyen, Nga Thi, Do, Thao Thi, Serpell, Christopher J, Tran, Sung Van
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container_start_page 3418
container_title MedChemComm
container_volume 15
creator Tran, Chien Van
Tran, Thao Thi Phuong
Nguyen, Anh The
Tran, Loc Van
Pham, Ninh Thi
Nguyen, Luu Thi
Nguyen, Dung Thi
Garrett, Michelle D
Nguyen, Nga Thi
Do, Thao Thi
Serpell, Christopher J
Tran, Sung Van
description A series of 14 conjugates of 2α,3β,23-triacetyl-madecassic acid and silybin were designed and synthesized. The madecassic acid unit was linked to silybin either directly at position C-7 or C-3; or through an amino acid linker (glycine, β-alanine, or 11-aminoundecanoic acid) at position C-3. The conjugates were tested in vitro for their cytotoxic effect on HepG2 cells using the MTT assay. The results confirmed that the conjugated compounds demonstrated a stronger cytotoxic effect compared to the parent compounds. Of these compounds, the most promising conjugate, compound 8 , was evaluated for cytotoxic activity in the additional Hep3B, Huh7, and Huh7R human hepatocellular carcinoma cell lines and also for cell cycle changes and induction of apoptosis in HepG2 cells. This compound caused a rapid and significant induction of caspase 3 activity and induced cell cycle arrest in the S phase - effects distinct from the activity of madecassic acid. This is the first study on the synthesis and cytotoxicity of madecassic acid-silybin conjugates, and of their testing against liver cancer cell lines and provides evidence for a distinct biological profile versus madecassic acid alone. Madecassic acid and silybin have been conjoined to produce hybrid compounds with improved and different activity against liver cancer cells.
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identifier ISSN: 2632-8682
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source Royal Society Of Chemistry Journals 2008-
subjects Alanine
Amino acids
Apoptosis
Biological activity
Biological effects
Caspase-3
Cell cycle
Conjugates
Cytotoxicity
Glycine
Hepatocellular carcinoma
Hepatocytes
Liver cancer
S phase
Synthesis
Toxicity testing
Tumor cell lines
title Synthesis and cytotoxic activity of madecassic acid-silybin conjugate compounds in liver cancer cells
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