New synthetic phenylquinazoline derivatives induce apoptosis by targeting the pro-survival members of the BCL-2 family

Chemo-resistant cancer cells acquire robust growth potential through cell signaling mechanisms such as the down-regulation of tumor suppressors and the up-regulation of pro-survival proteins, respectively. To overcome chemo-resistance of cancer, small molecule drugs that interact with the cell signa...

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Main Authors: Simon, Samson Eugin, Usman, Ahmed *, Saad, Syed Muhammad, Ayaz, Anwar *, Khan, Khalid Mohammed, Tan, Ee Wern *, Tan, Kuan Onn *
Format: Article
Published: Elsevier 2022
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Online Access:http://eprints.sunway.edu.my/3113/
https://doi.org/10.1016/j.bmcl.2022.128731
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spelling my.sunway.eprints.31132024-08-13T05:54:29Z http://eprints.sunway.edu.my/3113/ New synthetic phenylquinazoline derivatives induce apoptosis by targeting the pro-survival members of the BCL-2 family Simon, Samson Eugin Usman, Ahmed * Saad, Syed Muhammad Ayaz, Anwar * Khan, Khalid Mohammed Tan, Ee Wern * Tan, Kuan Onn * QH Natural history RC Internal medicine RM Therapeutics. Pharmacology Chemo-resistant cancer cells acquire robust growth potential through cell signaling mechanisms such as the down-regulation of tumor suppressors and the up-regulation of pro-survival proteins, respectively. To overcome chemo-resistance of cancer, small molecule drugs that interact with the cell signaling proteins to enhance sensitization of cancer cells toward cancer therapies are likely to be effective for the treatment of chemo-drug resistant cancer. To identify high potency small molecules, a series of ten novel phenylquinazoline derivatives were synthesized to determine their cellular effects in MCF-7 and MCF-7- cisplatin-resistant (CR) human breast cancer cells which led to the identification of two bioactive compounds, SMS-IV-20 and SMS-IV-40, that exhibited an elevated level of cytotoxicity against the human breast cancer cells and spheroid cells. In addition, both compounds enhanced chemo-sensitization of the human breast cancer cells that were genetically engineered to express the tumor suppressor and pro-apoptotic proteins, MOAP-1, Bax, and RASSF1a (MBR), suggesting that the compounds interact with the MBR signaling pathway. Furthermore, when MCF-7-CR cells were treated with SMS-IV-20 and SMS-IV-40 in the presence of ABT-737, a BCL-XL and BCL-2 inhibitor, enhanced chemo-sensitization was observed, suggesting SMS-IV-20 and SMS-IV-40 exert antagonistic activity to regulate the functional activity of BCL-2 and BCL-XL. Western blot analysis showed that both SMS-IV-20 and SMS-IV-40 induced down-regulation of BCL-2 or both BCl-2 and BCL-XL expression, respectively while promoting the release of mitochondrial Cytochrome C. Taken together, the data showed that SMS-IV-20 and SMS-IV-40 are potent activators of apoptosis that enhance chemo-sensitization through their antagonistic actions on the pro-survival activity of the BCl-2 family in human cancer cells. Elsevier 2022 Article PeerReviewed Simon, Samson Eugin and Usman, Ahmed * and Saad, Syed Muhammad and Ayaz, Anwar * and Khan, Khalid Mohammed and Tan, Ee Wern * and Tan, Kuan Onn * (2022) New synthetic phenylquinazoline derivatives induce apoptosis by targeting the pro-survival members of the BCL-2 family. Bioorganic and Medicinal Chemistry, 67. ISSN 0968-0896 https://doi.org/10.1016/j.bmcl.2022.128731 10.1016/j.bmcl.2022.128731
institution Sunway University
building Sunway Campus Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Sunway University
content_source Sunway Institutional Repository
url_provider http://eprints.sunway.edu.my/
topic QH Natural history
RC Internal medicine
RM Therapeutics. Pharmacology
spellingShingle QH Natural history
RC Internal medicine
RM Therapeutics. Pharmacology
Simon, Samson Eugin
Usman, Ahmed *
Saad, Syed Muhammad
Ayaz, Anwar *
Khan, Khalid Mohammed
Tan, Ee Wern *
Tan, Kuan Onn *
New synthetic phenylquinazoline derivatives induce apoptosis by targeting the pro-survival members of the BCL-2 family
description Chemo-resistant cancer cells acquire robust growth potential through cell signaling mechanisms such as the down-regulation of tumor suppressors and the up-regulation of pro-survival proteins, respectively. To overcome chemo-resistance of cancer, small molecule drugs that interact with the cell signaling proteins to enhance sensitization of cancer cells toward cancer therapies are likely to be effective for the treatment of chemo-drug resistant cancer. To identify high potency small molecules, a series of ten novel phenylquinazoline derivatives were synthesized to determine their cellular effects in MCF-7 and MCF-7- cisplatin-resistant (CR) human breast cancer cells which led to the identification of two bioactive compounds, SMS-IV-20 and SMS-IV-40, that exhibited an elevated level of cytotoxicity against the human breast cancer cells and spheroid cells. In addition, both compounds enhanced chemo-sensitization of the human breast cancer cells that were genetically engineered to express the tumor suppressor and pro-apoptotic proteins, MOAP-1, Bax, and RASSF1a (MBR), suggesting that the compounds interact with the MBR signaling pathway. Furthermore, when MCF-7-CR cells were treated with SMS-IV-20 and SMS-IV-40 in the presence of ABT-737, a BCL-XL and BCL-2 inhibitor, enhanced chemo-sensitization was observed, suggesting SMS-IV-20 and SMS-IV-40 exert antagonistic activity to regulate the functional activity of BCL-2 and BCL-XL. Western blot analysis showed that both SMS-IV-20 and SMS-IV-40 induced down-regulation of BCL-2 or both BCl-2 and BCL-XL expression, respectively while promoting the release of mitochondrial Cytochrome C. Taken together, the data showed that SMS-IV-20 and SMS-IV-40 are potent activators of apoptosis that enhance chemo-sensitization through their antagonistic actions on the pro-survival activity of the BCl-2 family in human cancer cells.
format Article
author Simon, Samson Eugin
Usman, Ahmed *
Saad, Syed Muhammad
Ayaz, Anwar *
Khan, Khalid Mohammed
Tan, Ee Wern *
Tan, Kuan Onn *
author_facet Simon, Samson Eugin
Usman, Ahmed *
Saad, Syed Muhammad
Ayaz, Anwar *
Khan, Khalid Mohammed
Tan, Ee Wern *
Tan, Kuan Onn *
author_sort Simon, Samson Eugin
title New synthetic phenylquinazoline derivatives induce apoptosis by targeting the pro-survival members of the BCL-2 family
title_short New synthetic phenylquinazoline derivatives induce apoptosis by targeting the pro-survival members of the BCL-2 family
title_full New synthetic phenylquinazoline derivatives induce apoptosis by targeting the pro-survival members of the BCL-2 family
title_fullStr New synthetic phenylquinazoline derivatives induce apoptosis by targeting the pro-survival members of the BCL-2 family
title_full_unstemmed New synthetic phenylquinazoline derivatives induce apoptosis by targeting the pro-survival members of the BCL-2 family
title_sort new synthetic phenylquinazoline derivatives induce apoptosis by targeting the pro-survival members of the bcl-2 family
publisher Elsevier
publishDate 2022
url http://eprints.sunway.edu.my/3113/
https://doi.org/10.1016/j.bmcl.2022.128731
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