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Lara-Vega I, Correa-Lara MVM, Vega-López A. Effectiveness of radiotherapy and targeted radionuclide therapy for melanoma in preclinical mouse models: A combination treatments overview. Bull Cancer 2023; 110:912-936. [PMID: 37277266 DOI: 10.1016/j.bulcan.2023.05.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 03/29/2023] [Accepted: 05/04/2023] [Indexed: 06/07/2023]
Abstract
Cutaneous melanoma is an aggressive and highly metastatic skin cancer. In recent years, immunotherapy and targeted small-molecule inhibitors have improved the overall survival of patients. Unfortunately, most patients in advanced stages of disease exhibit either intrinsically resistant or rapidly acquire resistance to these approved treatments. However, combination treatments have emerged to overcome resistance, and novel treatments based on radiotherapy (RT) and targeted radionuclide therapy (TRT) have been developed to treat melanoma in the preclinical mouse model, raising the question of whether synergy in combination therapies may motivate and increase their use as primary treatments for melanoma. To help clarify this question, we reviewed the studies in preclinical mouse models where they evaluated RT and TRT in combination with other approved and unapproved therapies from 2016 onwards, focusing on the type of melanoma model used (primary tumor and or metastatic model). PubMed® was the database in which the search was performed using mesh search algorithms resulting in 41 studies that comply with the inclusion rules of screening. Studies reviewed showed that synergy with RT or TRT had strong antitumor effects, such as tumor growth inhibition and fewer metastases, also exhibiting systemic protection. In addition, most studies were carried out on antitumor response for the implanted primary tumor, demonstrating that more studies are needed to evaluate these combined treatments in metastatic models on long-term protocols.
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Affiliation(s)
- Israel Lara-Vega
- National School of Biological Sciences, National Polytechnic Institute, Environmental Toxicology Laboratory, Avenida Wilfrido Massieu s/n, Unidad Profesional Adolfo López Mateos, Mexico City CP 07738, Mexico
| | - Maximiliano V M Correa-Lara
- National School of Biological Sciences, National Polytechnic Institute, Environmental Toxicology Laboratory, Avenida Wilfrido Massieu s/n, Unidad Profesional Adolfo López Mateos, Mexico City CP 07738, Mexico
| | - Armando Vega-López
- National School of Biological Sciences, National Polytechnic Institute, Environmental Toxicology Laboratory, Avenida Wilfrido Massieu s/n, Unidad Profesional Adolfo López Mateos, Mexico City CP 07738, Mexico.
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Kłos P, Perużyńska M, Baśkiewicz-Hałasa M, Skupin-Mrugalska P, Majcher M, Sawczuk M, Szostak B, Droździk M, Machaliński B, Chlubek D. Response of Skin-Derived and Metastatic Human Malignant Melanoma Cell Lines to Thymoquinone and Thymoquinone-Loaded Liposomes. Pharmaceutics 2022; 14:2309. [PMID: 36365127 PMCID: PMC9698994 DOI: 10.3390/pharmaceutics14112309] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 10/19/2022] [Accepted: 10/25/2022] [Indexed: 09/29/2023] Open
Abstract
Thymoquinone has been proved to be effective against neoplasms, including skin cancer. Its high lipophilicity, however, may limit its potential use as a drug. Melanoma remains the deadliest of all skin cancers worldwide, due to its high heterogeneity, depending on the stage of the disease. Our goal was to compare the anti-cancer activity of free thymoquinone and thymoquinone-loaded liposomes on two melanoma cell lines that originated from different stages of this cancer: skin-derived A375 and metastatic WM9. We evaluated the proapoptotic effects of free thymoquinone by flow cytometry and Western blot, and its mitotoxicity by means of JC-1 assay. Additionally, we compared the cytotoxicity of free thymoquinone and thymoquinone in liposomes by WST-1 assay. Our results revealed a higher antiproliferative effect of TQ in WM9 cells, whereas its higher proapoptotic activity was observed in the A375 cell line. Moreover, the thymoquinone-loaded liposome was proved to exert stronger cytotoxic effect on both cell lines studied than free thymoquinone. Differences in the response of melanoma cells derived from different stages of the disease to thymoquinone, as well as their different responses to free and carrier-delivered thymoquinone, are essential for the development of new anti-melanoma therapies. However, further research is required to fully understand them.
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Affiliation(s)
- Patrycja Kłos
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72, 70-111 Szczecin, Poland
| | - Magdalena Perużyńska
- Department of Experimental and Clinical Pharmacology, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72, 70-111 Szczecin, Poland
| | - Magdalena Baśkiewicz-Hałasa
- Department of General Pathology, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72, 70-111 Szczecin, Poland
| | - Paulina Skupin-Mrugalska
- Department of Inorganic and Analytical Chemistry, Poznan University of Medical Sciences, Rokietnicka 3, 60-806 Poznan, Poland
| | - Małgorzata Majcher
- Faculty of Food Science and Nutrition, Poznań University of Life Sciences, Wojska Polskiego 31, 60-624 Poznan, Poland
| | - Magdalena Sawczuk
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72, 70-111 Szczecin, Poland
| | - Bartosz Szostak
- Department of Physiology, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72, 70-111 Szczecin, Poland
| | - Marek Droździk
- Department of Experimental and Clinical Pharmacology, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72, 70-111 Szczecin, Poland
| | - Bogusław Machaliński
- Department of General Pathology, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72, 70-111 Szczecin, Poland
| | - Dariusz Chlubek
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72, 70-111 Szczecin, Poland
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Anticancer and Anti-Metastatic Role of Thymoquinone: Regulation of Oncogenic Signaling Cascades by Thymoquinone. Int J Mol Sci 2022; 23:ijms23116311. [PMID: 35682990 PMCID: PMC9181073 DOI: 10.3390/ijms23116311] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 05/29/2022] [Accepted: 05/30/2022] [Indexed: 12/04/2022] Open
Abstract
Cancer is a life-threatening and multifaceted disease. Pioneering research works in the past three decades have mechanistically disentangled intertwined signaling networks which play contributory roles in carcinogenesis and metastasis. Phenomenal strides have been made in leveraging our scientific knowledge altogether to a new level of maturity. Rapidly accumulating wealth of information has underlined a myriad of transduction cascades which can be pharmaceutically exploited for cancer prevention/inhibition. Natural products serve as a treasure trove and compel interdisciplinary researchers to study the cancer chemopreventive roles of wide-ranging natural products in cell culture and preclinical studies. Experimental research related to thymoquinone has gradually gained momentum because of the extra-ordinary cancer chemopreventive multifunctionalities of thymoquinone. In this mini-review, we provide an overview of different cell signaling cascades reported to be regulated by thymoquinone for cancer chemoprevention. Essentially, thymoquinone efficacy has also been notably studied in animal models, which advocates for a rationale-based transition of thymoquinone from the pre-clinical pipeline to clinical trials.
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Thymoquinone Radiosensitizes Human Colorectal Cancer Cells in 2D and 3D Culture Models. Cancers (Basel) 2022; 14:cancers14061363. [PMID: 35326517 PMCID: PMC8945905 DOI: 10.3390/cancers14061363] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 02/17/2022] [Accepted: 02/22/2022] [Indexed: 12/12/2022] Open
Abstract
Resistance of cancer cells and normal tissue toxicity of ionizing radiation (IR) are known to limit the success of radiotherapy. There is growing interest in using IR with natural compounds to sensitize cancer cells and spare healthy tissues. Thymoquinone (TQ) was shown to radiosensitize several cancers, yet no studies have investigated its radiosensitizing effects on colorectal cancer (CRC). Here, we combined TQ with IR and determined its effects in two-dimensional (2D) and three-dimensional (3D) culture models derived from HCT116 and HT29 CRC cells, and in patient-derived organoids (PDOs). TQ sensitized CRC cells to IR and reduced cell viability and clonogenic survival and was non-toxic to non-tumorigenic intestinal cells. TQ sensitizing effects were associated with G2/M arrest and DNA damage as well as changes in key signaling molecules involved in this process. Combining a low dose of TQ (3 µM) with IR (2 Gy) inhibited sphere formation by 100% at generation 5 and this was associated with inhibition of stemness and DNA repair. These doses also led to ~1.4- to ~3.4-fold decrease in organoid forming ability of PDOs. Our findings show that combining TQ and IR could be a promising therapeutic strategy for eradicating CRC cells.
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Plant-Derived Terpenoids: A Promising Tool in the Fight against Melanoma. Cancers (Basel) 2022; 14:cancers14030502. [PMID: 35158770 PMCID: PMC8833325 DOI: 10.3390/cancers14030502] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2021] [Revised: 01/10/2022] [Accepted: 01/18/2022] [Indexed: 12/12/2022] Open
Abstract
Simple Summary Despite the numerous therapies, melanoma remains the deadliest of all skin cancers; however, plant-derived terpenoids are defense molecules that have proven anti-cancer properties. In this review, we present the results of the search for anti-melanoma plant terpenoids. Additionally, we show the effects of combining terpenoids with standard drugs, radiation therapy, or other plant substances on melanoma cell lines and animal models. Finally, we present some examples of drug delivery systems that increase the uptake of terpenoids by melanoma tissue. Abstract Melanoma is responsible for the highest number of skin cancer-caused deaths worldwide. Despite the numerous melanoma-treating options, the fight against it remains challenging, mainly due to its great heterogeneity and plasticity, as well as the high toxicity of standard drugs. Plant-derived terpenoids are a group of plant defense molecules that have been proven effective in killing many different types of cancer cells, both in in vitro experiments and in vivo models. In this review, we focus on recent results in the search for plant terpenoids with anti-melanoma activity. We also report on the synergistic action of combining terpenoids with other plant-derived substances, MAP kinase inhibitors, or radiation. Additionally, we present examples of terpenoid-loaded nanoparticle carriers as anti-melanoma agents that have increased permeation through the cancer tissue.
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Atteia HH, Arafa MH, Mohammad NS, Amin DM, Sakr AT. Thymoquinone upregulates miR-125a-5p, attenuates STAT3 activation, and potentiates doxorubicin antitumor activity in murine solid Ehrlich carcinoma. J Biochem Mol Toxicol 2021; 35:e22924. [PMID: 34605108 DOI: 10.1002/jbt.22924] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 08/21/2021] [Accepted: 09/20/2021] [Indexed: 12/17/2022]
Abstract
In breast cancer, there has been evidence of atypical activation of signal transduction and activators of transcription 3 (STAT3). Thymoquinone (TQ) exerts its anti-neoplastic effect through diverse mechanisms, including STAT3 inhibition. The tumor suppressor, microRNA-125a-5p was reported to be downregulated in various breast cancer cells. Therefore, we investigated the influence of TQ and/or doxorubicin on microRNA-125a-5p and its correlation with STAT3 activation as well as tumor growth in mice bearing solid Ehrlich tumors. We found that TQ markedly suppressed inducible and constitutive phosphorylation of STAT3 in tumor tissue without affecting STAT5. Moreover, it attenuated tumor growth, downregulated STAT3 downstream target proteins, and increased the apoptotic activities of caspase-3 and -9. Interestingly, TQ-elicited synergism of doxorubicin anti-neoplastic activity was coupled with upregulation of tumoral microRNA-125a-5p. Taken together, the current findings raise the potential of TQ as a promising chemomodulatory adjuvant to augment mammary carcinoma sensitivity to doxorubicin.
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Affiliation(s)
- Hebatallah H Atteia
- Department of Biochemistry, Faculty of Pharmacy, Zagazig University, Zagazig, Egypt.,Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Tabuk, Tabuk, Saudi Arabia
| | - Manar H Arafa
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Nanies S Mohammad
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Dalia M Amin
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Amr T Sakr
- Department of Biochemistry, Faculty of Pharmacy, University of Sadat City (USC), Menoufia, Egypt
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Fatfat Z, Fatfat M, Gali-Muhtasib H. Therapeutic potential of thymoquinone in combination therapy against cancer and cancer stem cells. World J Clin Oncol 2021; 12:522-543. [PMID: 34367926 PMCID: PMC8317652 DOI: 10.5306/wjco.v12.i7.522] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Revised: 04/11/2021] [Accepted: 06/18/2021] [Indexed: 02/06/2023] Open
Abstract
The long-term success of standard anticancer monotherapeutic strategies has been hampered by intolerable side effects, resistance to treatment and cancer relapse. These monotherapeutic strategies shrink the tumor bulk but do not effectively eliminate the population of self-renewing cancer stem cells (CSCs) that are normally present within the tumor. These surviving CSCs develop mechanisms of resistance to treatment and refuel the tumor, thus causing cancer relapse. To ensure durable tumor control, research has moved away from adopting the monotreatment paradigm towards developing and using combination therapy. Combining different therapeutic modalities has demonstrated significant therapeutic outcomes by strengthening the anti-tumor potential of monotreatment against cancer and cancer stem cells, mitigating their toxic adverse effects, and ultimately overcoming resistance. Recently, there has been growing interest in combining natural products from different sources or with clinically used chemotherapeutics to further improve treatment efficacy and tolerability. Thymoquinone (TQ), the main bioactive constituent of Nigella sativa, has gained great attention in combination therapy research after demonstrating its low toxicity to normal cells and remarkable anticancer efficacy in extensive preclinical studies in addition to its ability to target chemoresistant CSCs. Here, we provide an overview of the therapeutic responses resulting from combining TQ with conventional therapeutic agents such as alkylating agents, antimetabolites and antimicrotubules as well as with topoisomerase inhibitors and non-coding RNA. We also review data on anticancer effects of TQ when combined with ionizing radiation and several natural products such as vitamin D3, melatonin and other compounds derived from Chinese medicinal plants. The focus of this review is on two outcomes of TQ combination therapy, namely eradicating CSCs and treating various types of cancers. In conclusion, the ability of TQ to potentiate the anticancer activity of many chemotherapeutic agents and sensitize cancer cells to radiotherapy makes it a promising molecule that could be used in combination therapy to overcome resistance to standard chemotherapeutic agents and reduce their associated toxicities.
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Affiliation(s)
- Zaynab Fatfat
- Department of Biology, American University of Beirut, Beirut 1107 2020, Lebanon
| | - Maamoun Fatfat
- Department of Biology, American University of Beirut, Beirut 1107 2020, Lebanon
| | - Hala Gali-Muhtasib
- Department of Biology, American University of Beirut, Beirut 1107 2020, Lebanon
- Center for Drug Discovery, American University of Beirut, Beirut 1107 2020, Lebanon
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Pal RR, Rajpal V, Singh P, Saraf SA. Recent Findings on Thymoquinone and Its Applications as a Nanocarrier for the Treatment of Cancer and Rheumatoid Arthritis. Pharmaceutics 2021; 13:775. [PMID: 34067322 PMCID: PMC8224699 DOI: 10.3390/pharmaceutics13060775] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/11/2021] [Accepted: 05/18/2021] [Indexed: 12/13/2022] Open
Abstract
Cancer causes a considerable amount of mortality in the world, while arthritis is an immunological dysregulation with multifactorial pathogenesis including genetic and environmental defects. Both conditions have inflammation as a part of their pathogenesis. Resistance to anticancer and disease-modifying antirheumatic drugs (DMARDs) happens frequently through the generation of energy-dependent transporters, which lead to the expulsion of cellular drug contents. Thymoquinone (TQ) is a bioactive molecule with anticancer as well as anti-inflammatory activities via the downregulation of several chemokines and cytokines. Nevertheless, the pharmacological importance and therapeutic feasibility of thymoquinone are underutilized due to intrinsic pharmacokinetics, including short half-life, inadequate biological stability, poor aqueous solubility, and low bioavailability. Owing to these pharmacokinetic limitations of TQ, nanoformulations have gained remarkable attention in recent years. Therefore, this compilation intends to critically analyze recent advancements in rheumatoid arthritis and cancer delivery of TQ. This literature search revealed that nanocarriers exhibit potential results in achieving targetability, maximizing drug internalization, as well as enhancing the anti-inflammatory and anticancer efficacy of TQ. Additionally, TQ-NPs (thymoquinone nanoparticles) as a therapeutic payload modulated autophagy as well as enhanced the potential of other drugs when given in combination. Moreover, nanoformulations improved pharmacokinetics, drug deposition, using EPR (enhanced permeability and retention) and receptor-mediated delivery, and enhanced anti-inflammatory and anticancer properties. TQ's potential to reduce metal toxicity, its clinical trials and patents have also been discussed.
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Affiliation(s)
- Ravi Raj Pal
- Department of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University (A Central University), VidyaVihar, Raebareli Road, Lucknow 226025, Uttar Pradesh, India; (R.R.P.); (P.S.)
| | - Vasundhara Rajpal
- Department of Biotechology, Babasaheb Bhimrao Ambedkar University (A Central University), VidyaVihar, Raebareli Road, Lucknow 226025, Uttar Pradesh, India;
| | - Priya Singh
- Department of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University (A Central University), VidyaVihar, Raebareli Road, Lucknow 226025, Uttar Pradesh, India; (R.R.P.); (P.S.)
| | - Shubhini A. Saraf
- Department of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University (A Central University), VidyaVihar, Raebareli Road, Lucknow 226025, Uttar Pradesh, India; (R.R.P.); (P.S.)
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Thymoquinone, as a Novel Therapeutic Candidate of Cancers. Pharmaceuticals (Basel) 2021; 14:ph14040369. [PMID: 33923474 PMCID: PMC8074212 DOI: 10.3390/ph14040369] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 04/06/2021] [Accepted: 04/13/2021] [Indexed: 12/11/2022] Open
Abstract
To date, natural products are widely used as pharmaceutical agents for many human diseases and cancers. One of the most popular natural products that have been studied for anticancer properties is thymoquinone (TQ). As a bioactive compound of Nigella sativa, TQ has shown anticancer activities through the inhibition of cell proliferation, migration, and invasion. The anticancer efficacy of TQ is being investigated in several human cancers such as pancreatic cancer, breast cancer, colon cancer, hepatic cancer, cervical cancer, and leukemia. Even though TQ induces apoptosis by regulating the expression of pro- apoptotic and anti-apoptotic genes in many cancers, the TQ effect mechanism on such cancers is not yet fully understood. Therefore, the present review has highlighted the TQ effect mechanisms on several signaling pathways and expression of tumor suppressor genes (TSG). Data from relevant published experimental articles on TQ from 2015 to June 2020 were selected by using Google Scholar and PubMed search engines. The present study investigated the effectiveness of TQ alone or in combination with other anticancer therapeutic agents, such as tyrosine kinase inhibitors on cancers, as a future anticancer therapy nominee by using nanotechnology.
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Almatroodi SA, Almatroudi A, Alsahli MA, Khan AA, Rahmani AH. Thymoquinone, an Active Compound of Nigella sativa: Role in Prevention and Treatment of Cancer. Curr Pharm Biotechnol 2020; 21:1028-1041. [DOI: 10.2174/1389201021666200416092743] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2019] [Revised: 11/30/2019] [Accepted: 02/11/2020] [Indexed: 12/18/2022]
Abstract
Background:
Cancer is the leading cause of death worldwide and the current mode of cancer
treatment causes side effects on normal cells and are still the key challenges in its’ treatment. However,
natural products or active compounds of medicinal plants have shown to be safe, affordable, and
effective in diseases cure.
Methods:
In this context, scientific studies evidence the health-promoting effects of natural products,
which work through its anti-oxidant, anti-inflammatory, and anti-cancer activity. Thymoquinone (TM),
a predominant active compound of Nigella sativa, has confirmed anti-neoplastic activity through its
ability to regulate various genetic pathways. In addition, thymoquinone has established anti-cancerous
effects through killing of various cancerous cells,and inhibiting the initiation, migration, invasion, and
progression of the cancer. The anti-cancer effects of TM are chiefly mediated via regulating various
cell signaling pathways such as VEGF, bcl2/bax ratio, p53, NF-kB, and oncogenes.
Results:
The anti-cancer drugs have limitations in efficacy and also causes adverse side effects on
normal cells. The combination of anti-cancer drugs and thymoquinone improves the efficacy of drugs
which is evident by decrease resistance to drugs and regulation of various cell signaling pathways.
Moreover, combination of anti-cancer drugs as well as thymoquinone shows synergistic effect on killing
of cancer cells and cells viability. Thus, TM, in combination with anti-cancer drugs, can be a good
strategy in the management of various types of cancer.
Conclusion:
In this review article, we deliver an outline of thymoquinone role in cancer inhibition and
prevention of cancer-based on in vivo and in vitro studies. Further studies on thymoquinone based on
clinical trials are highly required to explore the benefits of thymoquinone in cancer management.
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Affiliation(s)
- Saleh A. Almatroodi
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraidah, Saudi Arabia
| | - Ahmad Almatroudi
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraidah, Saudi Arabia
| | - Mohammed A. Alsahli
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraidah, Saudi Arabia
| | - Amjad A. Khan
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraidah, Saudi Arabia
| | - Arshad H. Rahmani
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraidah, Saudi Arabia
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Park JE, Kim DH, Ha E, Choi SM, Choi JS, Chun KS, Joo SH. Thymoquinone induces apoptosis of human epidermoid carcinoma A431 cells through ROS-mediated suppression of STAT3. Chem Biol Interact 2019; 312:108799. [PMID: 31433961 DOI: 10.1016/j.cbi.2019.108799] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Revised: 08/07/2019] [Accepted: 08/17/2019] [Indexed: 12/21/2022]
Abstract
Black seed (Nigella sativa) oil has been used in various dermatological applications, and its major constituent, thymoquinone (TQ) has been shown to exhibit antiproliferative activity against various cancer cells. In this study, we tried to provide a mechanistic basis of apoptosis induced by TQ. Skin squamous carcinoma A431 cells were treated with TQ to monitor the apoptosis induced by TQ. Western blot analysis was performed to detect expression of apoptotic or anti-apoptotic proteins. Cell viability and apoptosis were measured by using the MTT test and FACS analysis, respectively. The induction of intracellular reactive oxygen species (ROS) by TQ was evaluated by 2',7'-dichlorofluorescein diacetate staining. In vivo xenograft study was followed to confirm the antiproliferative effect of TQ. Treatment of A431 cells with TQ-induced apoptosis, which was associated with the induction of p53 and Bax, inhibition of Mdm2, Bcl-2, and Bcl-xl expression, and activation of caspase-9, -7, and -3. TQ inhibited the constitutive phosphorylation and DNA binding activity of signal transducer and activator of transcription-3 (STAT3) in A431 cells by blocking the phosphorylation of the upstream kinase, Src. Moreover, the expression of STAT3 target gene products, cyclin D1 and survivin, was attenuated by TQ treatment. The generation of ROS was increased during TQ-induced apoptosis, and the pretreatment of N-acetyl cysteine, a ROS scavenger, reversed the apoptotic effect of TQ. In vivo study with NOD scid gamma (NSG) mice confirmed the inhibitory effect of TQ on the growth of A431 cells. Our results provide the first demonstration that TQ induces the apoptosis of A431 cells through generation of ROS and inhibition of STAT3 signaling.
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Affiliation(s)
- Ji Eun Park
- College of Pharmacy, Keimyung University, Daegu, 42601, South Korea
| | - Do-Hee Kim
- College of Pharmacy, Seoul National University, Seoul, 08826, South Korea
| | - Eunyoung Ha
- Department of Biochemistry, Keimyung University School of Medicine, South Korea
| | - Seung Mi Choi
- College of Pharmacy, Keimyung University, Daegu, 42601, South Korea
| | - Joon-Seok Choi
- Department of Pharmacy, Daegu Catholic University, Gyeongbuk, 38430, South Korea
| | - Kyung-Soo Chun
- College of Pharmacy, Keimyung University, Daegu, 42601, South Korea.
| | - Sang Hoon Joo
- Department of Pharmacy, Daegu Catholic University, Gyeongbuk, 38430, South Korea.
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