Inhibition of SREBP-mediated lipid biosynthesis and activation of multiple anticancer mechanisms by platinum complexes : Ascribe possibilities of new antitumor strategies
Copyright © 2021 Elsevier Masson SAS. All rights reserved..
Cancer is one of the most aggressive diseases with poor prognosis and survival rates. Lipids biogenesis play key role in cancer progression, metastasis and tumor development. Suppression of SREBP-mediated lipid biogenesis pathway has been linked with cancer inhibition. Platinum complexes bearing good anticancer effect and multiple genes activation properties are considered important and increase the chances for development of new platinum-based drugs. In this study, we synthesized pyridine co-ligand functionalized cationic complexes and characterized them using multiple spectroscopic and spectrophotometric methods. Two of these complexes were studied in solid state by single crystal X-ray analysis. The stability of these complexes were measured in solution state using 1H NMR methods. These complexes were further investigated for their anticancer activity against human breast, lung and liver cancer cells. MTT assay showed potential cytotoxic activity in dose-dependent manner and decrease survival rates of cancer cells was observed upon treatment with these complexes. Biological assays results revealed higher cytotoxicity as compared to cisplatin and oxaliplatin. Further we studied C2, C6 and C8 in detailed mechanistic anticancer analyses. Clonogenic assay showed decrease survival of MCF-7, HepG2 and A549 cancer cells treated with C2, C6 and C8 as compared to control cells treated with DMSO. TUNEL assay showed more cell death, these complexes suppressed invasion and migration ability of cancer cells and decreased tumor spheroids formation, thus suggesting a potential role in inhibition of cancer metastasis and cancer stem cells formation. Mechanistically, these complexes inhibited sterol regulatory element-binding protein 1 (SREBP-1) expression in cancer cells in dose-dependent manner and thereby reduced lipid biogenesis to suppress cancer progression. Furthermore, expression level was decreased for the key genes LDLR, FASN and HMGCR, those required for sterol biosynthesis. Taken together, these complexes suppressed cancer cell growth, migration, invasion and spheroids formation by inhibiting SREBP-1 mediated lipid biogenesis pathway.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:227 |
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| Enthalten in: |
European journal of medicinal chemistry - 227(2022) vom: 05. Jan., Seite 113920 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Bai, Xue [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 25.01.2022 Date Revised 25.01.2022 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.ejmech.2021.113920 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM332800687 |
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| 100 | 1 | |a Bai, Xue |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Inhibition of SREBP-mediated lipid biosynthesis and activation of multiple anticancer mechanisms by platinum complexes |b Ascribe possibilities of new antitumor strategies |
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| 500 | |a Date Revised 25.01.2022 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2021 Elsevier Masson SAS. All rights reserved. | ||
| 520 | |a Cancer is one of the most aggressive diseases with poor prognosis and survival rates. Lipids biogenesis play key role in cancer progression, metastasis and tumor development. Suppression of SREBP-mediated lipid biogenesis pathway has been linked with cancer inhibition. Platinum complexes bearing good anticancer effect and multiple genes activation properties are considered important and increase the chances for development of new platinum-based drugs. In this study, we synthesized pyridine co-ligand functionalized cationic complexes and characterized them using multiple spectroscopic and spectrophotometric methods. Two of these complexes were studied in solid state by single crystal X-ray analysis. The stability of these complexes were measured in solution state using 1H NMR methods. These complexes were further investigated for their anticancer activity against human breast, lung and liver cancer cells. MTT assay showed potential cytotoxic activity in dose-dependent manner and decrease survival rates of cancer cells was observed upon treatment with these complexes. Biological assays results revealed higher cytotoxicity as compared to cisplatin and oxaliplatin. Further we studied C2, C6 and C8 in detailed mechanistic anticancer analyses. Clonogenic assay showed decrease survival of MCF-7, HepG2 and A549 cancer cells treated with C2, C6 and C8 as compared to control cells treated with DMSO. TUNEL assay showed more cell death, these complexes suppressed invasion and migration ability of cancer cells and decreased tumor spheroids formation, thus suggesting a potential role in inhibition of cancer metastasis and cancer stem cells formation. Mechanistically, these complexes inhibited sterol regulatory element-binding protein 1 (SREBP-1) expression in cancer cells in dose-dependent manner and thereby reduced lipid biogenesis to suppress cancer progression. Furthermore, expression level was decreased for the key genes LDLR, FASN and HMGCR, those required for sterol biosynthesis. Taken together, these complexes suppressed cancer cell growth, migration, invasion and spheroids formation by inhibiting SREBP-1 mediated lipid biogenesis pathway | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Anticancer study | |
| 650 | 4 | |a Cancer cell migration | |
| 650 | 4 | |a Cancer cells stemness | |
| 650 | 4 | |a Cell invasion | |
| 650 | 4 | |a Platinum complexes | |
| 650 | 4 | |a SREBP-1 inhibition | |
| 650 | 7 | |a Antineoplastic Agents |2 NLM | |
| 650 | 7 | |a Organoplatinum Compounds |2 NLM | |
| 650 | 7 | |a SREBF1 protein, human |2 NLM | |
| 650 | 7 | |a Sterol Regulatory Element Binding Protein 1 |2 NLM | |
| 700 | 1 | |a Ali, Amjad |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Na |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Zongwei |e verfasserin |4 aut | |
| 700 | 1 | |a Lv, Zhimin |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Zeqing |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Xing |e verfasserin |4 aut | |
| 700 | 1 | |a Hao, Huifang |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Yongmin |e verfasserin |4 aut | |
| 700 | 1 | |a Rahman, Faiz-Ur |e verfasserin |4 aut | |
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