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Lee S, Woo WS, Kim J, Jin Y, Lee JW, Seo JS, Kwon MG, Lee JH, Park CI, Shim SH. The residue of salinomycin in the muscles of olive flounder (Paralichthys olivaceus) and black rockfish (Sebastes Schlegeli) after oral administration analyzed by LC-Tandem-MS. BMC Vet Res 2024; 20:24. [PMID: 38216988 PMCID: PMC10785415 DOI: 10.1186/s12917-023-03867-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 12/24/2023] [Indexed: 01/14/2024] Open
Abstract
BACKGROUND Salinomycin, an antibiotic, have potential as a veterinary drug for fish due to its anti-parasitic activity against several fish parasites. Thus the residual levels of salinomycin in muscles of two significant aquaculture species in Korea, olive flounder and black rockfish, were analyzed using HPLC-MS-MS. RESULTS The proper method to analyze the residual salinomycin in fish muscles using LC-MS-MS was settled and the method was validated according to CODEX guidelines. The residues in three distinct groups for two fish species were analyzed using the matrix match calibration curves at points of five different times following oral administration. After oral administration, salinomycin rapidly breaks down in both olive flounder and black rockfish. After 7th days, the average residue in all groups of two fish spp. decreased below limit of quantitation (LOQ). CONCLUSION Due to low residue levels in fish muscles, salinomycin may therefore be a treatment that is safe for both fish and humans. This result could contribute to establishment of MRL (minimal residual limit) for approval of salinomycin for use in aquaculture.
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Affiliation(s)
- Seungjin Lee
- Natural Products Research Institute, College of Pharmacy, Seoul National University, Seoul, 08826, Republic of Korea
| | - Won-Sik Woo
- Department of Marine Biology & Aquaculture, Institute of Marine Industry, College of Marine Science, Gyeongsang National University, Tongyeong, 53064, Republic of Korea
| | - Jaekyeong Kim
- Natural Products Research Institute, College of Pharmacy, Seoul National University, Seoul, 08826, Republic of Korea
| | - Yeongwoon Jin
- Natural Products Research Institute, College of Pharmacy, Seoul National University, Seoul, 08826, Republic of Korea
| | - Jin Woo Lee
- College of Pharmacy, Duksung Women's University, Seoul, 01369, Republic of Korea
| | - Jung-Soo Seo
- Aquatic Disease Control Division, National Fishery Products Quality Management Service, 337 Haeyang-ro, Yeongdo-gu, Busan, 49111, Republic of Korea
| | - Mun-Gyeong Kwon
- Aquatic Disease Control Division, National Fishery Products Quality Management Service, 337 Haeyang-ro, Yeongdo-gu, Busan, 49111, Republic of Korea
| | - Ji-Hoon Lee
- Aquatic Disease Control Division, National Fishery Products Quality Management Service, 337 Haeyang-ro, Yeongdo-gu, Busan, 49111, Republic of Korea.
| | - Chan-Il Park
- Department of Marine Biology & Aquaculture, Institute of Marine Industry, College of Marine Science, Gyeongsang National University, Tongyeong, 53064, Republic of Korea.
| | - Sang Hee Shim
- Natural Products Research Institute, College of Pharmacy, Seoul National University, Seoul, 08826, Republic of Korea.
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Zhang B, Ding Z, Wen X, Song G, Luo Q. Salinomycin and IR780-loaded upconversion nanoparticles influence biological behavior of liver cancer stem cells by persistently activating the MAPK signaling pathway. Exp Cell Res 2024; 434:113865. [PMID: 38052337 DOI: 10.1016/j.yexcr.2023.113865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 11/23/2023] [Accepted: 11/25/2023] [Indexed: 12/07/2023]
Abstract
The combination of chemotherapy and phototherapy has emerged as a promising therapeutic approach for enhancing the efficacy of cancer treatment and mitigating drug resistance. Salinomycin (SAL), a polyether antibiotic, exhibits potent cytotoxicity against chemotherapy-resistant cancer cells. IR780 iodide, a novel photosensitive reagent with excellent near-infrared (NIR) light absorption and photothermal conversion abilities, is suitable for use in photothermal therapy for cancers. However, both SAL and IR780 exhibit hydrophobic properties that limit their clinical applicability. Upconversion nanoparticles (UCNPs) are an emerging class of fluorescent probe materials capable of emitting high-energy photons upon excitation by low-energy NIR light. The UCNPs not only function as nanocarriers for drug delivery but also serve as light transducers to activate photosensitizers for deep-tissue photodynamic therapy. Here, to enhance the targeting and bioavailability of hydrophobic drugs in liver cancer stem cells (LCSCs), we employ distearoyl phosphorethanolamine-polyethylene glycol (DSPE-PEG) to encapsulate SAL and IR780 on the surface of UCNPs. Cell viability was evaluated using the CCK-8 assay. Cell migration was assessed by the Transwell Boyden Chamber. The activation of the mitogen-activated protein kinase (MAPK) signaling pathway was measured via western blot. The results demonstrated successful loading of both IR780 and SAL onto the UCNPs, and the SAL and IR780-loaded UCNPs (UISP) exhibited a robust photothermal effect under NIR light irradiation. The UISP effectively inhibited the viability of HCCLM3 and LCSCs. Under NIR light irradiation, the UISP further suppressed HCCLM3 viability but had no impact on LCSC viability; however, it could further inhibit LCSC migration. Meanwhile, under NIR light irradiation, the UISP persistently activated the MAPK pathway more significantly in LCSCs. These findings suggest that exposure to NIR light results in persistent activation of the MAPK pathway by UISP, thereby influencing the biological behavior of LCSCs and enhancing their therapeutic efficacy against liver cancer.
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Affiliation(s)
- Bingyu Zhang
- Chongqing Engineering Research Center of Medical Electronics and Information Technology, Chongqing University of Posts and Telecommunications, Chongqing 400065, China
| | - Zhongjie Ding
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400030, China
| | - Xianxin Wen
- Chongqing Engineering Research Center of Medical Electronics and Information Technology, Chongqing University of Posts and Telecommunications, Chongqing 400065, China
| | - Guanbin Song
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400030, China
| | - Qing Luo
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400030, China.
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Wang X, Tian X, Yan H, Zhu T, Ren H, Zhou Y, Zhao D, Xu D, Lian X, Fang L, Yu Y, Liao X, Liu Y, Sun J. Exposure to salinomycin dysregulates interplay between mitophagy and oxidative response to damage the porcine jejunal cells. Sci Total Environ 2023; 900:166441. [PMID: 37604367 DOI: 10.1016/j.scitotenv.2023.166441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 08/07/2023] [Accepted: 08/18/2023] [Indexed: 08/23/2023]
Abstract
Salinomycin (SAL) has caused widespread pollution as a feed additive and growth promoter in livestock such as pigs, exerting a negative impact on public health. The toxicity mechanism of SAL has been widely studied in chickens, but the underlying mechanisms of SAL-induced toxicity to pigs and the ecosystem remain undefined. In this study, we explored the potential damage of SAL in IPEC-J2 cells to identify the effects of excessive SAL on the interplay between mitophagy and oxidative stress. The results showed that a concentration-dependent response was observed for SAL in altering cellular morphology and inducing cell death in IPEC-J2 cells, including the induction of cell cycle arrest and lactic dehydrogenase (LDH) release. Meanwhile, we found that excessive SAL led to oxidative damage by activating the Nrf2/Keap1/HO-1 pathway, accompanied by reactive oxygen species (ROS) elevation and the reduction of antioxidant enzyme activity. We also found that PINK1/Parkin-dependent mitophagy was activated by SAL exposure, particularly with mitochondrial membrane potential reduction. Interestingly, SAL-induced oxidative damages were prevented after the autophagy inhibitor 3-methyladenine (3-MA) treatment, and mitophagy was alleviated following ROS scavenger (N-acetylcysteine, NAC) treatment. Overall, our findings showed that SAL stimulated oxidative stress and mitophagy in IPEC-J2 cells resulting in cellular injury, and there was a strong connection between SAL-induced oxidative stress and mitophagy. Targeting ROS/PINK1/Parkin-dependent mitophagy and oxidative stress could be a novel protective mechanism in SAL-induced cell damage.
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Affiliation(s)
- Xiaoyu Wang
- Guangdong Laboratory for Lingnan Modern Agriculture, National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou, PR China; Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics, Development and Safety Evaluation, South China Agricultural University, Guangzhou 510642, PR China
| | - Xiaomin Tian
- Guangdong Laboratory for Lingnan Modern Agriculture, National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou, PR China; Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics, Development and Safety Evaluation, South China Agricultural University, Guangzhou 510642, PR China
| | - Huilin Yan
- Guangdong Laboratory for Lingnan Modern Agriculture, National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou, PR China; Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics, Development and Safety Evaluation, South China Agricultural University, Guangzhou 510642, PR China
| | - Tingting Zhu
- Guangdong Laboratory for Lingnan Modern Agriculture, National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou, PR China; Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics, Development and Safety Evaluation, South China Agricultural University, Guangzhou 510642, PR China
| | - Hao Ren
- Guangdong Laboratory for Lingnan Modern Agriculture, National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou, PR China; Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics, Development and Safety Evaluation, South China Agricultural University, Guangzhou 510642, PR China
| | - Yufeng Zhou
- Guangdong Laboratory for Lingnan Modern Agriculture, National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou, PR China; Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics, Development and Safety Evaluation, South China Agricultural University, Guangzhou 510642, PR China
| | - Donghao Zhao
- Guangdong Laboratory for Lingnan Modern Agriculture, National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou, PR China; Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics, Development and Safety Evaluation, South China Agricultural University, Guangzhou 510642, PR China
| | - Dan Xu
- Guangdong Laboratory for Lingnan Modern Agriculture, National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou, PR China; Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics, Development and Safety Evaluation, South China Agricultural University, Guangzhou 510642, PR China
| | - Xinlei Lian
- Guangdong Laboratory for Lingnan Modern Agriculture, National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou, PR China; Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics, Development and Safety Evaluation, South China Agricultural University, Guangzhou 510642, PR China
| | - Liangxing Fang
- Guangdong Laboratory for Lingnan Modern Agriculture, National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou, PR China; Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics, Development and Safety Evaluation, South China Agricultural University, Guangzhou 510642, PR China
| | - Yang Yu
- Guangdong Laboratory for Lingnan Modern Agriculture, National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou, PR China; Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics, Development and Safety Evaluation, South China Agricultural University, Guangzhou 510642, PR China
| | - Xiaoping Liao
- Guangdong Laboratory for Lingnan Modern Agriculture, National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou, PR China; Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics, Development and Safety Evaluation, South China Agricultural University, Guangzhou 510642, PR China
| | - Yahong Liu
- Guangdong Laboratory for Lingnan Modern Agriculture, National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou, PR China; Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics, Development and Safety Evaluation, South China Agricultural University, Guangzhou 510642, PR China.; Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou 225009, PR China
| | - Jian Sun
- Guangdong Laboratory for Lingnan Modern Agriculture, National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou, PR China; Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics, Development and Safety Evaluation, South China Agricultural University, Guangzhou 510642, PR China..
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Marjanović M, Mikecin Dražić AM, Mioč M, Paradžik M, Kliček F, Novokmet M, Lauc G, Kralj M. Salinomycin disturbs Golgi function and specifically affects cells in epithelial-to-mesenchymal transition. J Cell Sci 2023; 136:jcs260934. [PMID: 37545292 DOI: 10.1242/jcs.260934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Accepted: 07/31/2023] [Indexed: 08/08/2023] Open
Abstract
Epithelial-to-mesenchymal transition (EMT) gives rise to cells with properties similar to cancer stem cells (CSCs). Targeting the EMT program to selectively eliminate CSCs is a promising way to improve cancer therapy. Salinomycin (Sal), a K+/H+ ionophore, was identified as highly selective towards CSC-like cells, but its mechanism of action and selectivity remains elusive. Here, we show that Sal, similar to monensin and nigericin, disturbs the function of the Golgi. Sal alters the expression of Golgi-related genes and leads to marked changes in Golgi morphology, particularly in cells that have undergone EMT. Moreover, Golgi-disturbing agents severely affect post-translational modifications of proteins, including protein processing, glycosylation and secretion. We discover that the alterations induced by Golgi-disturbing agents specifically affect the viability of EMT cells. Collectively, our work reveals a novel vulnerability related to the EMT, suggesting an important role for the Golgi in the EMT and that targeting the Golgi could represent a novel therapeutic approach against CSCs.
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Affiliation(s)
- Marko Marjanović
- Division of Molecular Medicine, Ruđer Bošković Institute, Bijenička c. 54, 10000 Zagreb, Croatia
| | - Ana-Matea Mikecin Dražić
- Division of Molecular Medicine, Ruđer Bošković Institute, Bijenička c. 54, 10000 Zagreb, Croatia
| | - Marija Mioč
- Division of Molecular Medicine, Ruđer Bošković Institute, Bijenička c. 54, 10000 Zagreb, Croatia
| | - Mladen Paradžik
- Division of Molecular Medicine, Ruđer Bošković Institute, Bijenička c. 54, 10000 Zagreb, Croatia
| | - Filip Kliček
- GENOS, Glycoscience Research Laboratory, Borongajska c. 83, 10000 Zagreb, Croatia
| | - Mislav Novokmet
- GENOS, Glycoscience Research Laboratory, Borongajska c. 83, 10000 Zagreb, Croatia
| | - Gordan Lauc
- GENOS, Glycoscience Research Laboratory, Borongajska c. 83, 10000 Zagreb, Croatia
| | - Marijeta Kralj
- Division of Molecular Medicine, Ruđer Bošković Institute, Bijenička c. 54, 10000 Zagreb, Croatia
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5
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Kumar H, Gupta NV, Jain R, Madhunapantula SV, Babu S, Dey S, Soni AG, Jain V. F3 peptide functionalized liquid crystalline nanoparticles for delivering Salinomycin against breast cancer. Int J Pharm 2023; 643:123226. [PMID: 37451328 DOI: 10.1016/j.ijpharm.2023.123226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 07/10/2023] [Accepted: 07/11/2023] [Indexed: 07/18/2023]
Abstract
Salinomycin (Sal) is a potent veterinary antibiotic known to offer significant toxicity to the variety of neoplastic cells. Its therapeutic utility is limited due to its higher lipophilicity (logP 7.5) and poor hydrophilicity. Liquid crystalline nanoparticles (LCNPs) known to offer a suitable delivery platform for these kinds of drugs. The overexpressed nucleolin receptor on the cell surface and cytoplasm, could be selected as a target in cancer therapy. The present study involves the development and characterization of the F3 peptide functionalized LCNPs for delivering Sal (F3-Sal-NPs) for selectively targeting to the nucleolin receptor. The optimized LCNPs were characterized for particle size, zeta potential, surface morphology, drug release kinetics and stability. The LCNPs have a structure similar to nematic phases. In vitro drug release studies revealed sustained drug release characteristics (89.5 ± 1.5% at 120 h) with F3-Sal-NPs. The cytotoxicity results demonstrated that F3-Sal-NPs were 4.8, 2.6 and 5.5 folds more effective than naïve drug in MDA-MB-468, MDA-MB-231 and MCF-7 cells, respectively and the cell cycle was arrested in the S and G2/M phases. The expression of the gene responsible for the stemness (CD44 gene), apoptosis (BAX/Bcl-2 ration) and angiogenesis (LCN-2) was reduced by F3-Sal-NPs treatment. Ex vivo hemolytic toxicity was reduced (6.5 ± 1.5%) and the pharmacokinetics and bioavailability of Sal was improved with F3-Sal-NPs. The in vivo antitumor efficacy was tested in EAC bearing mice, where F3-Sal-NPs significantly reduced the tumor growth by 2.8-fold compared to pure Sal and induced necrosis of tumor cells. The results clearly demonstrate the outstanding performance of F3 peptide functionalized LCNPs for delivering Sal against breast cancer.
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Affiliation(s)
- Hitesh Kumar
- Department of Pharmaceutics, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Mysuru-570015, India
| | - N Vishal Gupta
- Department of Pharmaceutics, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Mysuru-570015, India
| | - Rupshee Jain
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Mysuru-570015, India
| | - SubbaRao V Madhunapantula
- Department of Biochemistry, Centre of Excellence in Molecular Biology & Regenerative Medicine, JSS Medical College, JSS Academy of Higher Education & Research, Mysuru-570015, India
| | - Saravana Babu
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Mysuru-570015, India
| | - Surajit Dey
- Roseman University of Health Sciences, College of Pharmacy, Henderson, Nevada, USA
| | - Anshita Gupta Soni
- Shri Rawatpura Sarkar Institute of Pharmacy, Kumhari, Durg-491001, India
| | - Vikas Jain
- Department of Pharmaceutics, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Mysuru-570015, India.
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Davatgaran Taghipour Y, Salehi R, Zarebkohan A, Zakeri Z, Khordadmehr M, Saeedi Honar Y, Torchilin VP. Dual targeting salinomycin-loaded smart nanomicelles for enhanced accumulation and therapeutic outcome in breast cancer. Int J Pharm 2023; 642:123095. [PMID: 37268031 DOI: 10.1016/j.ijpharm.2023.123095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 04/30/2023] [Accepted: 05/27/2023] [Indexed: 06/04/2023]
Abstract
Salinomycin is a polyether compound that exhibits strong anticancer activity and is known as the cancer stem cell inhibitor that reached clinical testing. The rapid elimination of nanoparticles from the bloodstream by the mononuclear phagocyte system (MPS), the liver, and the spleen, accompanied by protein corona (PC) formation, restricts in vivo delivery of nanoparticles in the tumor microenvironment (TME). The DNA aptamer (TA1) that successfully targets the overexpressed CD44 antigen on the surface of breast cancer cells suffers strongly from PC formation in vivo. Thus, cleverly designed targeted strategies that lead to the accumulation of nanoparticles in the tumor become a top priority in the drug delivery field. In this work, dual redox/pH-sensitive poly (β-amino ester) copolymeric micelles modified with CSRLSLPGSSSKpalmSSS peptide and TA1 aptamer, as dual targeting ligands, were synthesized and fully characterized by physico-chemical methods. These biologically transformable stealth NPs were altered into the two ligand-capped (SRL-2 and TA1) NPs for synergistic targeting of the 4T1 breast cancer model after exposure to the TME. The PC formation was reduced sharply in Raw 264.7 cells by increasing the CSRLSLPGSSSKpalmSSS peptide concentration in modified micelles. Surprisingly, in vitro and in vivo biodistribution findings showed that dual targeted micelle accumulation in the TME of 4T1 breast cancer model was significantly higher than that of single modified formulation, along with deep penetration 24 h after intraperitoneal injection. Also, an in vivo treatment study showed remarkable tumor growth inhibition in 4T1 tumor-bearing Balb/c mice, compared to different formulations, with a 10% lower therapeutic dose (TD) of SAL that was confirmed by hematoxylin and eosin staining (H&E) and the TUNEL assay. Overall, in this study, we developed smart transformable NPs in which the body's own engineering systems alter their biological identity, which resulted in a reduction in therapeutic dosage along with a lowered off-target effect.
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Affiliation(s)
- Yasamin Davatgaran Taghipour
- Department of Medical Nanotechnology, School of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Roya Salehi
- Drug Applied Research Center and Department of Medical Nanotechnology, School of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Amir Zarebkohan
- Drug Applied Research Center and Department of Medical Nanotechnology, School of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Ziba Zakeri
- Koç University, Research Center for Translational Medicine (KUTTAM), Rumeli Feneri, 34450, Sariyer, Istanbul, Turkey
| | - Monireh Khordadmehr
- Department of Pathobiology, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran
| | - Yousef Saeedi Honar
- Department of Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, Iran
| | - Vladimir P Torchilin
- Center for Pharmaceutical Biotechnology and Nanomedicine and Department of Chemical Engineering, Northeastern University, Boston, USA
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Tang L, Duan W, Zhang C, Shi Y, Tu W, Lei K, Zhang W, Wu S, Zhang J. Potent salinomycin C20-O-alkyl oxime derivative SAL-98 efficiently inhibits tumor growth and metastasis by affecting Wnt/β-catenin signal pathway. Biochem Pharmacol 2023:115666. [PMID: 37391086 DOI: 10.1016/j.bcp.2023.115666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 06/16/2023] [Accepted: 06/19/2023] [Indexed: 07/02/2023]
Abstract
The dysregulation of Wnt/β-catenin signaling pathway is closely related to tumorigenesis, metastasis and cancer stem cell maintenance. Salinomycin is a polyether ionophore antibiotic that selectively eliminates cancer stem cells by inhibiting the Wnt/β-catenin signal pathway. Salinomycin selectively target cancer stem cells, but the toxicity limits its further use. In this study, we explore the anti-tumor mechanism of one most active salinomycin C20-O-alkyl oximederivative SAL-98 and found that SAL-98 exerts 10 times higher anti-tumor and anti-CSCs activities compared with salinomycin, which induces cell cycle arrest, ER stress and mitochondria dysfunction and inhibits Wnt/β-catenin signal pathway in vitro with high efficacy. Moreover, SAL-98 shows good anti-metastasis effect in vivo. In addition, SAL-98 demonstrates same anti-tumor activities as salinomycin with less 5 times concentration in vivo, the ER stress, autophagy and anti-CSCs effects were also confirmed in vivo. Mechanistically, SAL-98 inhibits the Wnt/β-catenin signaling pathway associated with CHOP expression induced by ER stress, the induced CHOP disrupts the β-catenin/TCF4 complex and represses the Wnt targeted genes. This study provides an alternative strategy for rational drug development to target Wnt/β-catenin signaling pathway.
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Affiliation(s)
- Lei Tang
- Faculty of Life Science, Kunming University of Science and Technology, Kunming 650500, China; Medical School, Kunming University of Science and Technology, Kunming, 650500, China
| | - Wenfang Duan
- Medical School, Kunming University of Science and Technology, Kunming, 650500, China
| | - Chi Zhang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100050, China
| | - Yulu Shi
- Medical School, Kunming University of Science and Technology, Kunming, 650500, China
| | - Wenlian Tu
- The First Hospital of Yunnan Province, the affiliated Hospital of Kunming University of Science and Technology, 650032, China
| | - Kangfan Lei
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100050, China
| | - Wenxuan Zhang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100050, China.
| | - Song Wu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100050, China.
| | - Jihong Zhang
- Medical School, Kunming University of Science and Technology, Kunming, 650500, China; Yunnan Province Clinical Research Center for Hematologic Disease, Kunming, 650032, China.
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8
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Serttas R, Erdogan S. Pretreatment of prostate cancer cells with salinomycin and Wnt inhibitor increases the efficacy of cabazitaxel by inducing apoptosis and decreasing cancer stem cells. Med Oncol 2023; 40:194. [PMID: 37264204 DOI: 10.1007/s12032-023-02062-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Accepted: 05/22/2023] [Indexed: 06/03/2023]
Abstract
Cancer stem cells (CSCs) are associated with metastasis and recurrence in prostate cancer as well as other cancers. We aimed to enhance the sensitivity of cabazitaxel in prostate cancer cell therapy by targeting CSCs with a Wnt inhibitor and salinomycin pretreatment. PC3, DU-145, and LNCaP human prostate cancer cells were exposed to Wnt/β-catenin pathway inhibitor CCT036477 (iWnt) with salinomycin for 48 h, followed by cabazitaxel treatment for 48 h. Cell viability, mRNA, and protein expression changes were evaluated by MTT, RT-qPCR, and Western blot assays, respectively. Apoptosis was determined by image-based cytometry, and cell migration was assessed by wound healing assay. Three-dimensional culture was established to assess the malignant phenotype and stemness potential of transformed or cancer cells. CD44 + CSCs were isolated using magnetic-activated cell sorting system. Pretreatment of PC3, DU-145, and LNCaP cells with salinomycin iWnt significantly sensitized the cells to cabazitaxel therapy. Spheroid culture confirmed that the treatment modality was more effective than a single administration of chemotherapy. The pretreatment of PC3 cells increased the rate of apoptosis compared to single administration of cabazitaxel, which downregulated Bcl-2 and upregulated caspase 3, caspase 8 expressions. The pretreatment suppressed cell migration, downregulated the expression of Sox2 and Nanog, and significantly reduced CD44 + CSC numbers. Notably, the treatment modality reduced pAKT, p-P38 MAPK, and pERK1/2. The data suggest that pretreatment of prostate cancer cells with salinomycin and Wnt inhibitor may increase the efficacy of cabazitaxel therapy by inhibiting cell proliferation and migration, and eliminating cancer stem cells.
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Affiliation(s)
- Riza Serttas
- Department of Medical Biology, School of Medicine, Trakya University, Balkan Campus, 22030, Edirne, Turkey
| | - Suat Erdogan
- Department of Medical Biology, School of Medicine, Trakya University, Balkan Campus, 22030, Edirne, Turkey.
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9
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Anees M, Mehrotra N, Tiwari S, Kumar D, Kharbanda S, Singh H. Polylactic acid based biodegradable hybrid block copolymeric nanoparticle mediated co-delivery of salinomycin and doxorubicin for cancer therapy. Int J Pharm 2023; 635:122779. [PMID: 36842520 DOI: 10.1016/j.ijpharm.2023.122779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Revised: 02/05/2023] [Accepted: 02/21/2023] [Indexed: 02/28/2023]
Abstract
Existence of cancer stem cells (CSCs) are primarily responsible for chemoresistance, cancer reoccurrence and treatment failure in cancer patients. Eliminating CSCs along with bulk tumor is a necessity to achieve complete cancer inhibition. Salinomycin (SAL) has potential to specifically target and kill CSCs through blocking their multiple pathways simultaneously. SAL has also been reported to improve anti-cancer efficacy of numerous chemo-based drugs when used in combination therapy. However, clinical use of SAL is restricted due to its high off targeted toxicity. Herein, we have developed a PLA based hybrid block copolymer for concomitant delivery of SAL and doxorubicin (DOX) with an aim to reduce their adverse side effects and enhance the therapeutic efficacy of the treatment. Designed PLA based nanoplatform showed high encapsulation and sustained release profile for both the drugs. Cytotoxicity evaluation on cancer cell lines confirmed the synergistic effect of SAL:DOX co-loaded NPs. Additionally, prepared SAL NPs were also found to be highly effective against chemo-resistant cancer cells and CSCs derived from cancer patient. Most importantly, encapsulation of SAL in PLA NPs improved its pharmacokinetics and biodistribution profile. Consequently, undesired toxicity with SAL NPs was significantly reduced which in-turn increased the dose tolerability in mice as compared to free SAL. Treatment of EAC tumor bearing mice with SAL:DOX co-loaded NPs resulted in excellent tumor regression and complete inhibition of cancer reoccurrence. These results conclude that concomitant delivery of SAL and DOX using PLA based block copolymeric nano-carrier have a strong potential for cancer therapy.
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Affiliation(s)
- Mohd Anees
- Centre for Biomedical Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India
| | - Neha Mehrotra
- Centre for Biomedical Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India
| | - Sachchidanand Tiwari
- Centre for Biomedical Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India
| | - Dinesh Kumar
- National Institute of Health and Family Welfare (NIHFW), New Delhi 110067, India
| | | | - Harpal Singh
- Centre for Biomedical Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India; All India Institute of Medical Sciences, New Delhi 110029, India.
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10
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Lee J, Roh JL. Promotion of ferroptosis in head and neck cancer with divalent metal transporter 1 inhibition or salinomycin. Hum Cell 2023; 36:1090-1098. [PMID: 36890422 DOI: 10.1007/s13577-023-00890-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Accepted: 03/01/2023] [Indexed: 03/10/2023]
Abstract
Divalent metal transporter 1 (DMT1) inhibitors can selectively kill iron-addicted cancer stem cells by causing lysosomal iron overload, but their role in head and neck cancer (HNC) is unknown. We examined the role of DMT1 inhibition or salinomycin in promoting ferroptosis by lysosomal iron targeting in HNC cells. RNA interference was performed by transfection of siRNA targeting DMT1 or scrambled control siRNA in HNC cell lines. Cell death and viability, lipid peroxidation, iron contents, and molecular expression were compared between the DMT1 silencing or salinomycin group and the control. DMT1 silencing markedly accelerated cell death induced by the ferroptosis inducers. DMT1 silencing marked increases in the labile iron pool, intracellular ferrous and total iron contents, and lipid peroxidation. DMT1 silencing revealed molecular changes in iron starvation response, resulting in increases in TFRC, and decreases in FTH1. Salinomycin treatment also showed similar results to the above DMT1 silencing. DMT1 silencing or salinomycin can promote ferroptosis in HNC cells, suggesting a novel strategy for killing iron-avid cancer cells.
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Affiliation(s)
- Jaewang Lee
- Department of Otorhinolaryngology-Head and Neck Surgery, CHA Bundang Medical Center, CHA University, Seongnam, Gyeonggi-do, 13496, Republic of Korea
- Department of Biomedical Science, General Graduate School, CHA University, Seongnam, Republic of Korea
| | - Jong-Lyel Roh
- Department of Otorhinolaryngology-Head and Neck Surgery, CHA Bundang Medical Center, CHA University, Seongnam, Gyeonggi-do, 13496, Republic of Korea.
- Department of Biomedical Science, General Graduate School, CHA University, Seongnam, Republic of Korea.
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11
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Xi HM, Lu H, Weng XQ, Sheng Y, Wu J, Li L, Cai X. Combined Application of Salinomycin and ATRA Induces Apoptosis and Differentiation of Acute Myeloid Leukemia Cells by Inhibiting WNT/β-catenin Pathway. Anticancer Agents Med Chem 2023; 23:1074-1084. [PMID: 36627782 DOI: 10.2174/1871520623666230110121629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 10/28/2022] [Accepted: 11/22/2022] [Indexed: 01/12/2023]
Abstract
BACKGROUND AND OBJECTIVE All-trans retinoic acid (ATRA) is only effective in acute promyelocytic leukemia (APL), but not in other subtype of acute myeloid leukemia (AML). Salinomycin targets tumor cells rather than non-tumorigenic cells, and WNT/β-catenin pathway inhibition is one of the mechanisms of its anti-tumor activity. There is a crosstalk between RA and WNT/β-catenin pathway. Here, we investigate the effect of the combination of salinomycin and ATRA (S+RA) in non-APL AML cells. METHODS Apoptosis was evaluated by cell viability and Annexin-V assay. Cell differentiation was analyzed by CD11c expression and morphology. To explore the underlying mechanisms, Western blot analysis and mitochondrial transmembrane potentials (Δ ψ m) were used. RESULTS & DISCUSSION S+RA induced differentiation and apoptosis in AML cell lines and AML primary cells. S+RA inhibited the β-catenin signal pathway as determined by the decreased protein levels of β-catenin, the low-density lipoprotein receptor-related proteins 6 (LRP6), and its downstream proteins such as survivin, c-Myc, caspase-3/7, cdc25A and cyclinD1 and reduced phosphorylation level of GSK3β S9. S+RA also increased the protein levels of CCAAT/enhancer-binding proteins (C/EBPs) and PU.1 and collapsed Δ ψ m. The above molecular and cellular changes induced by S+RA were inhibited by β-catenin specific activator and promoted by β-catenin specific inhibitor. CONCLUSION S+RA induced differentiation by β-catenin-inhibition-mediated up-regulation of C/EBPs and PU.1 and suppression of c-Myc. S+RA triggered apoptosis through β-catenin-inhibition-regulated Δ ψ m collapse and caspase-3/7 activation. Taken together, our findings may provide novel therapeutic strategies for AML patients by targeting the WNT/β-catenin pathway.
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Affiliation(s)
- Hui-Min Xi
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hao Lu
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiang-Qin Weng
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yan Sheng
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jing Wu
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lu Li
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xun Cai
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Patel S, Patel A, Nair A, Shah K, Shah K, Tanavde V, Rawal R. Salinomycin mediated therapeutic targeting of circulating stem like cell population in oral cancer. J Biomol Struct Dyn 2022; 40:11141-11153. [PMID: 34308783 DOI: 10.1080/07391102.2021.1957018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
CD44+ circulating tumor stem cells (CTSCs) have been significantly associated with aggressiveness, resistance and poor prognosis of oral cancer patients. Thus, targeted elimination of these CTSCs could be a new conceptual framework for enhancing the therapeutic outcome of patients. Docking of potential investigational molecules and simulation results identified Salinomycin as a potential lead compound that could effectively inhibit CD44 receptor. To assess the cytotoxic effect, immuno-magnetically sorted circulatory CD44+ cells were subjected to increasing concentrations of 5FU, Cisplatin and Salinomycin. Salinomycin demonstrated significant cytotoxic effect towards the CD44+ subpopulation in a dose and time dependent manner. Further the effect of these compounds was investigated on apoptosis, cell cycle, signaling pathways and gene expression profiles using MuseTM flow cytometer and Real-Time PCR. It was observed that mRNA expression patterns of CD44v6, Nanog, AKT1, CDKN2A and β-catenin of Salinomycin treated CD44+ cells. Moreover, Salinomycin significantly induced programmed cell death by inducing G2/M cell cycle arrest and inhibiting MAPK/PI3K pathways in this chemo-resistant population. Thus, this study demonstrated the potential of Salinomycin to target the chemo-resistant circulating CD44 population by attenuating its proliferation and survival.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Shanaya Patel
- Biological & Life Sciences, School of Arts and Sciences, Ahmedabad University, Ahmedabad, Gujarat, India
| | - Aditi Patel
- Biological & Life Sciences, School of Arts and Sciences, Ahmedabad University, Ahmedabad, Gujarat, India
| | - Aishwarya Nair
- Biological & Life Sciences, School of Arts and Sciences, Ahmedabad University, Ahmedabad, Gujarat, India
| | - Kavan Shah
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, Ontario, Canada
| | - Kanisha Shah
- Department of Life Sciences, School of Sciences, Gujarat University, Ahmedabad, Gujarat, India
| | - Vivek Tanavde
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, Ontario, Canada
| | - Rakesh Rawal
- Department of Life Sciences, School of Sciences, Gujarat University, Ahmedabad, Gujarat, India
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Yuan H, Li Y, Zou Y, Cai C, Shi X, Su Y. Salinomycin suppresses T24 cells by regulating KDM1A and the unfolded protein response pathway. Cytotechnology 2022; 74:579-590. [PMID: 36238269 PMCID: PMC9525558 DOI: 10.1007/s10616-022-00546-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 08/17/2022] [Indexed: 11/03/2022] Open
Abstract
In recent years, salinomycin has been shown to exert an anticancer effect in a variety of tumors; however, its function and mechanism in bladder cancer (BC) remain unclear. This study examined the effect of salinomycin on bladder cancer and analyzed its regulatory mechanism. T24 cells were treated with different concentrations of salinomycin to detect subsequent changes in cell proliferation, apoptosis, oxidative stress, H3K4 methylation, and related gene expression by the CCK8 assay, Edu staining, Tunel staining, ELISA, RT-qPCR, and western blotting, respectively. A KDM1A overexpression plasmid, catalytically inactive KDM1A overexpression plasmid, or short hairpin RNA (shRNA) plasmid was transfected into T24 cells to evaluate their effects. A xenograft tumor model was used to further confirm the anti-tumor effect of salinomycin. Our results showed that salinomycin significantly inhibited cell proliferation, promoted apoptosis, increased MDA levels, decreased SOD levels, induced H3K4 histone methylation, and suppressed KDM1A expression. Furthermore, the sh-KDM1A plasmid had effects similar to those of salinomycin and also activated the unfolded protein response pathway. The KDM1A overexpression plasmid had effects opposite to those of the sh-KDM1A plasmid, and the catalytically inactive KDM1A overexpression plasmid had no effect. Meanwhile, KDM1A overexpression reversed the effects of salinomycin on T24 cells. Finally, in vivo experiments confirmed the above results. In the salinomycin treatment group, tumor growth and KDM1A expression were suppressed and cell apoptosis and UPR were induced, while treatment with the KDM1A overexpression plasmid produced the opposite effects. Collectively, our study revealed that salinomycin suppressed T24 cell proliferation and promoted oxidative stress and apoptosis by regulating KDM1A and the UPR pathway. Supplementary Information The online version contains supplementary material available at 10.1007/s10616-022-00546-y.
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Affiliation(s)
- Haofeng Yuan
- Department of Urology, SSL Central Hospital of Dongguan City, No.1, Huangzhou Xianglong Road, Shilong Town, Dongguan, 523000 Guangdong China
| | - Yiqian Li
- Department of Gastroenterology, SSL Central Hospital of Dongguan City, Dongguan, Guangdong China
| | - Yun Zou
- Department of Urology, SSL Central Hospital of Dongguan City, No.1, Huangzhou Xianglong Road, Shilong Town, Dongguan, 523000 Guangdong China
| | - Chongyue Cai
- Department of Urology, SSL Central Hospital of Dongguan City, No.1, Huangzhou Xianglong Road, Shilong Town, Dongguan, 523000 Guangdong China
| | - Xiangmin Shi
- Department of Urology, SSL Central Hospital of Dongguan City, No.1, Huangzhou Xianglong Road, Shilong Town, Dongguan, 523000 Guangdong China
| | - Yanfeng Su
- Department of Urology, SSL Central Hospital of Dongguan City, No.1, Huangzhou Xianglong Road, Shilong Town, Dongguan, 523000 Guangdong China
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14
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Dinakar YH, Kumar H, Mudavath SL, Jain R, Ajmeer R, Jain V. Role of STAT3 in the initiation, progression, proliferation and metastasis of breast cancer and strategies to deliver JAK and STAT3 inhibitors. Life Sci 2022; 309:120996. [PMID: 36170890 DOI: 10.1016/j.lfs.2022.120996] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 09/13/2022] [Accepted: 09/21/2022] [Indexed: 11/16/2022]
Abstract
INTRODUCTION Breast cancer (BC) accounts for the majority of cancers among the female population. Anomalous activation of various signaling pathways has become an issue of concern. The JAK-STAT signaling pathway is activated in numerous cancers, including BC. STAT3 is widely involved in BCs, as 40 % of BCs display phosphorylated STAT3. JAK-STAT signaling is crucial for proliferation, survival, metastasis and other cellular events associated with the tumor microenvironment. Hence, targeting this pathway has become an area of interest among researchers. KEY FINDINGS This review article focuses on the role of STAT3 in the initiation, proliferation, progression and metastasis of BC. The roles of various phytochemicals, synthetic molecules and biologicals against JAK-STAT and STAT3 in various cancers have been discussed, with special emphasis on BC. SIGNIFICANCE JAK and STAT3 are involved in various phases from initiation to metastasis, and targeting this pathway is a promising approach to inhibit the various stages of BC development and to prevent metastasis. A number of phytochemicals and synthetic and biological molecules have demonstrated potential inhibitory effects on JAK and STAT3, thereby paving the way for the development of better therapeutics against BC.
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Affiliation(s)
- Yirivinti Hayagreeva Dinakar
- Department of Pharmaceutics, JSS College of Pharmacy, JSS Academy of Higher Education and Research, Mysuru 570015, Karnataka, India
| | - Hitesh Kumar
- Department of Pharmaceutics, JSS College of Pharmacy, JSS Academy of Higher Education and Research, Mysuru 570015, Karnataka, India
| | - Shyam Lal Mudavath
- Infectious Disease Biology Laboratory, Chemical Biology Unit, Institute of Nano Science and Technology, Mohali 140306, Punjab, India
| | - Rupshee Jain
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Mysuru 570015, India
| | - Ramkishan Ajmeer
- Central Drugs Standard Control Organization, East Zone, Kolkata 700020, West Bengal, India
| | - Vikas Jain
- Department of Pharmaceutics, JSS College of Pharmacy, JSS Academy of Higher Education and Research, Mysuru 570015, Karnataka, India.
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15
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Chen J, Liu J, Chen S, Lai R, Zheng C, Lu J, Jiang X, He F, Yang C, Li K, Xie K, Tang Y, Wang L. Salinomycin alleviates osteoarthritis progression via inhibiting Wnt/β-catenin signaling. Int Immunopharmacol 2022; 112:109225. [PMID: 36095950 DOI: 10.1016/j.intimp.2022.109225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 08/23/2022] [Accepted: 08/31/2022] [Indexed: 11/20/2022]
Abstract
Osteoarthritis (OA) is the most prevalent degenerative whole-joint disease characterized by cartilage degeneration, synovial hyperplasia, osteophyte formation, and subchondral bone sclerosis. Currently there are no disease-modifying treatments available for OA because its etiology and pathogenesis are largely unknown. Here we report that a natural carboxylic polyether ionophore that is used as an anti-tumor drug, salinomycin (SAL), may be a promising therapeutic drug for OA in the future. We found that SAL showed no cytotoxicity on mouse chondrocytes and displayed a protective effect against interleukin-1β (IL-1β), in cultured mouse chondrocytes and cartilage explants. Treatment with low SAL concentrations directly upregulated the anabolism factors collagen II and aggrecan, while it inhibited the catabolic factors matrix metalloproteinase-13 (MMP13) and metalloproteinase with thrombospondin motifs-5 (ADAMTS5) to protect against extracellular matrix (ECM) degradation, and also suppressed inflammatory responses in mouse chondrocytes. Furthermore, SAL reduced the severity of OA-associated changes and delayed cartilage destruction, subchondral bone sclerosis, and osteophyte formation in a destabilized medial meniscus (DMM) surgery-induced mouse OA model. Mechanistically, a low SAL concentration induced anabolism and inhibited catabolism in chondrocytes via inhibiting Lrp6 phosphorylation and Wnt/β-catenin signaling. Our results suggested that SAL may serve as a potential disease-modifying therapeutic against OA pathogenesis.
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Affiliation(s)
- Jian Chen
- Guangxi Key Laboratory of basic and translational research of Bone and Joint Degenerative Diseases, Guangxi Biomedical Materials Engineering Research Center for Bone and Joint Degenerative Diseases, Department of Orthopedics, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China; The First People's Hospital of Zhaoqing, Zhaoqing 526020, China
| | - Jia Liu
- Guangxi Key Laboratory of basic and translational research of Bone and Joint Degenerative Diseases, Guangxi Biomedical Materials Engineering Research Center for Bone and Joint Degenerative Diseases, Department of Orthopedics, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China
| | - Shimin Chen
- Guangxi Botanical Garden of Medicinal Plants, Nanning, China; Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Ruijun Lai
- Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Department of Cell Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Chuanchuan Zheng
- Guangxi Key Laboratory of basic and translational research of Bone and Joint Degenerative Diseases, Guangxi Biomedical Materials Engineering Research Center for Bone and Joint Degenerative Diseases, Department of Orthopedics, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China
| | - Jialiang Lu
- Guangxi Key Laboratory of basic and translational research of Bone and Joint Degenerative Diseases, Guangxi Biomedical Materials Engineering Research Center for Bone and Joint Degenerative Diseases, Department of Orthopedics, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China
| | - Xinshao Jiang
- Guangxi Key Laboratory of basic and translational research of Bone and Joint Degenerative Diseases, Guangxi Biomedical Materials Engineering Research Center for Bone and Joint Degenerative Diseases, Department of Orthopedics, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China
| | - Feng He
- Guangxi Key Laboratory of basic and translational research of Bone and Joint Degenerative Diseases, Guangxi Biomedical Materials Engineering Research Center for Bone and Joint Degenerative Diseases, Department of Orthopedics, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China
| | - Chengliang Yang
- Guangxi Key Laboratory of basic and translational research of Bone and Joint Degenerative Diseases, Guangxi Biomedical Materials Engineering Research Center for Bone and Joint Degenerative Diseases, Department of Orthopedics, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China
| | - Kai Li
- Academy of Orthopedics, Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Kegong Xie
- Guangxi Key Laboratory of basic and translational research of Bone and Joint Degenerative Diseases, Guangxi Biomedical Materials Engineering Research Center for Bone and Joint Degenerative Diseases, Department of Orthopedics, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China
| | - Yujin Tang
- Guangxi Key Laboratory of basic and translational research of Bone and Joint Degenerative Diseases, Guangxi Biomedical Materials Engineering Research Center for Bone and Joint Degenerative Diseases, Department of Orthopedics, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China.
| | - Liqiang Wang
- State Key Laboratory of Metal Matrix Composites, School of Material Science and Engineering, Shanghai Jiao Tong University, Shanghai, China
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Cui Y, Zhao M, Yang Y, Xu R, Tong L, Liang J, Zhang X, Sun Y, Fan Y. Reversal of Epithelial-Mesenchymal Transition and Inhibition of Tumor Stemness of Breast Cancer Cells Through Advanced Combined Chemotherapy. Acta Biomater 2022; 152:380-392. [PMID: 36028199 DOI: 10.1016/j.actbio.2022.08.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 07/21/2022] [Accepted: 08/12/2022] [Indexed: 11/01/2022]
Abstract
The abnormal activation of the Wnt/β-catenin signaling pathway and epithelial-mesenchymal transition (EMT) in drug-resistant tumor cells and cancer stem cells (CSCs) stimulate tumor metastasis and recurrence. Here, a promising combined chemotherapeutic strategy of salinomycin (SL) and doxorubicin (DOX) with specific inhibition of tumor stemness by a targeted co-delivery nanosystem was developed to overcome this abnormal progression. This strategy could be benefit drugs to effectively penetrate and infiltrate into spheres of 3D-cultured breast cancer stem cells (BCSCs). The expression of the Wnt/β-catenin signaling pathway-related genes (β-catenin, LRP6, LEF1, and TCF12) and target genes (Cyclin D1, Cmyc, and Fibronectin) as well as CSC stemness-related genes (Oct4, Nanog, and Hes1) was downregulated by redox-sensitive co-delivery micelles decorated with oligohyaluronic acid as the active targeting moiety. The changes in EMT-associated gene expression (E-cadherin and Vimentin) in vitro showed that the EMT process was also effectively inverted. This strategy achieved a strong inhibitory effect on solid tumor growth and an effective reduction in the risk of tumor metastasis in 4T1 tumor-bearing mice in vivo and effectively alleviated splenomegaly caused by the malignant tumor. Immunohistochemical staining analysis of E-cadherin, Vimentin, and β-catenin confirmed that the inversion of the EMT was also achieved in solid tumors. These results highlight the potential of SL and DOX combined chemotherapeutic strategy for eliminating breast carcinoma. STATEMENT OF SIGNIFICANCE: Cancer stem cells (CSCs), as an important part of tumor heterogeneity, can survive against conventional chemotherapy and initiate tumorigenesis, recurrence, and metastasis. Moreover, non-CSCs can convert into the CSC state through the abnormal Wnt/β-catenin pathway, which is closely related to the epithelial-mesenchymal transition (EMT) process. Here, redox-degradable binary drug-loaded micelles (PPH/DOX+SL) were designed to target CSCs and overcome drug resistance of breast cancer cells. The combined chemotherapy of salinomycin (SL) and doxorubicin (DOX) reversed drug resistance, while the PPH/DOX+SL micelles enhanced the intracellular accumulation and drug penetration of BCSC spheres. The introduction of SL downregulated the expression of tumor stemness genes and the Wnt/β-catenin pathway-related genes and inverted the EMT process. PPH/DOX+SL continuously inhibited tumor growth and invasion in vivo.
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Affiliation(s)
- Yani Cui
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P.R.China; College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P.R.China
| | - Mingda Zhao
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P.R.China; College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P.R.China
| | - Yuedi Yang
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P.R.China; College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P.R.China
| | - Ruiling Xu
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P.R.China; College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P.R.China
| | - Lei Tong
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P.R.China; College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P.R.China
| | - Jie Liang
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P.R.China; College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P.R.China; Sichuan Testing Centre for Biomaterials and Medical Devices, No.29 Wangjiang Road, Chengdu, Sichuan, 610064, China
| | - Xingdong Zhang
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P.R.China; College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P.R.China
| | - Yong Sun
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P.R.China; College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P.R.China.
| | - Yujiang Fan
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P.R.China; College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P.R.China.
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Erdogan S, Serttas R, Turkekul K, Dibirdik I. The synergistic anticancer effect of salinomycin combined with cabazitaxel in CD44+ prostate cancer cells by downregulating wnt, NF-κB and AKT signaling. Mol Biol Rep 2022. [PMID: 35705771 DOI: 10.1007/s11033-022-07343-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 03/04/2022] [Accepted: 03/08/2022] [Indexed: 10/18/2022]
Abstract
BACKGROUND Tumor-initiating or cancer stem cells (CSCs) reduce the effectiveness of conventional therapy. Thus, it is crucial to eliminate CSCs while killing bulky cancer cells using a combination of conventional chemotherapy and anti-CSC drugs. Salinomycin is a selective inhibitor against CSCs and shows promise in combination applications. The aim of the study was to examine the efficacy of co-administered cabazitaxel and salinomycin on the survival of prostate cancer cells and CSCs. METHODS AND RESULTS CD44 + stem cells were isolated from human PC3 prostate cancer cells by using magnetic activated cell sorting. The cells were concomitantly exposed to salinomycin and cabazitaxel, and the cell survival was determined by MTT test. Apoptosis was assessed by image-based cytometer, and cell migration was evaluated by wound healing assay. The expression of target mRNA and protein were assessed by RT-qPCR and Western blot, respectively. Combination index (CI) analysis showed that simultaneous administration of salinomycin and cabazitaxel was able to exert strong synergistic effect on CD44 + subpopulation (CI = 0.33), but no synergism was observed in PC3 cells. The combination of the two agents significantly increased Bax, cytochrome c, caspase-3 and - 8 mRNA expression in CD44 + CSCs, causing apoptosis. The applied therapy strategy strongly inhibited the phosphorylation of Akt, protein expression of Akt1, NF-κB and Wnt. CONCLUSIONS In conclusion, our data suggest that combining salinomycin with cabazitaxel shows promise as a prostate cancer treatment approach that can target CSCs.
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Savaee M, Bakhshi A, Yaghoubi F, Pourrajab F, Goodarzvand Chegini K. Evaluating the Effects of Separate and Concomitant Use of MK-2206 and Salinomycin on Prostate Cancer Cell Line. Rep Biochem Mol Biol 2022; 11:157-65. [PMID: 35765523 DOI: 10.52547/rbmb.11.1.157] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 12/25/2021] [Indexed: 01/11/2023]
Abstract
Background Prostate cancer is known as one of the most prevalent health disorders in the male population globally. The aim of the current study was to evaluate the effects of separate and concomitant use of MK-2206 and salinomycin on prostate cancer cell line. Methods The antitumor potential of separate and concomitant use of MK-2206 and salinomycin was evaluated in a panel of prostate cancer cell line (PC-3). To get insights into the underlying mechanism of action, different assays including the rate of apoptosis, cell viability, and gene expression were performed in treated prostate cancer cells. Results A significant reduction was detected in the viability percentage of prostate cancer cells (p< 0.001) and the rate of Akt expression (p< 0.001) in all salinomycin, MK-2206, and salinomycin+MK-2206 groups compared to the negative control group. Furthermore, in comparison with the negative control group, there was a notable increase in both the rate of Bad expression (p< 0.001) and prostate cancer cells apoptosis after salinomycin, MK-2206, and salinomycin+MK-2206 treatments. Moreover, the concomitant use of salinomycin+MK-2206 revealed synergistic improvements regarding the viability of prostate cancer cells and the rate of the Akt and Bad expressions compared to the separate administration of salinomycin and MK-2206 (all p< 0.05). Conclusion The findings of the present study may contribute to improving the efficacy of the therapies regarding the management of prostate cancer and providing a beneficial strategy in clinical trials.
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Sheng S, Bernardo M, Dzinic SH, Chen K, Sakr WA. The vulnerable primed cancer stem cells in disguise: demystifying the role of Maspin. Cancer Metastasis Rev 2022; 41:965-74. [PMID: 36451067 DOI: 10.1007/s10555-022-10070-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 11/17/2022] [Indexed: 12/03/2022]
Abstract
Epithelial-specific Maspin is widely known as a tumor suppressor. However, while the level of maspin expression is inversely correlated with tumor grade and stage, emerging clinical evidence shows a correlation between seemingly better differentiated tumor cells that express Maspin in both the nucleus and the cytoplasm, (n + c)Maspin, with a poor prognosis of many types of cancer. Biological studies demonstrate that Maspin plays an essential role in stem cell differentiation. In light of the recently established characterization of primed stem cells (P-SCs) in development, we propose, for the first time, that cancer stem cells (CSCs) also need to undergo priming (P-CSCs) before their transition to various progeny phenotypes. We envisage major differences in the steady state kinetics between P-SCs and P-CSCs. We further propose that P-CSCs of carcinoma are both marked and regulated by (n + c)Maspin. The concept of P-CSCs helps explain the apparent dichotomous relationships of (n + c)Maspin expression with cancer diagnosis and prognosis, and is supported by the evidence from mechanistic studies. We believe that the potential utility of (n + c)Maspin as a molecular marker of P-CSCs may significantly accelerate the advancement in our understanding of the genesis of tumor phenotypic plasticity in response to changes of tumor microenvironments (TME) or drug treatments. The vulnerabilities of the cellular state of (n + c)Maspin-expressing P-CSCs are also discussed as the rationale for future development of P-CSC-targeted chemotherapeutic and immunotherapeutic strategies.
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Chen Y, Zhao K, Huang J, Li M, Sun X, Li J. Detection of salinomycin and lasalocid in chicken liver by icELISA based on functional bispecific single-chain antibody (scDb) and interpretation of molecular recognition mechanism. Anal Bioanal Chem 2021; 413:7031-7041. [PMID: 34661725 DOI: 10.1007/s00216-021-03666-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 09/06/2021] [Accepted: 09/14/2021] [Indexed: 10/20/2022]
Abstract
Salinomycin (SAL) and lasalocid (LAS) are widely used as ionophore antibiotics for coccidiosis control. However, their common use as feed additives has led to the occurrence of feed cross-contamination, which has toxic effects on non-target animals. There have been few reports on multiple-residue detection for SAL and LAS in recent years. In this study, two single-chain antibody fragments (scFvs) capable of specifically recognizing SAL and LAS were constructed. Using LAS-scFv and SAL-scFv as parent antibodies, a complete bispecific single-chain diabody (scDb) against both LAS and SAL was built using splicing by overlap extension polymerase chain reaction (SOE-PCR). In addition, the key amino acid sites and interaction energy of antibody variable regions for small-molecule recognition were preliminarily studied by homology modeling and molecular docking. Finally, IC50 values of 12.9 and 8.6 ng/mL, with a linear range of 6.9-24.0 and 4.7-16.0 ng/mL, were obtained for LAS-scFv and SAL-scFv, respectively. An indirect competitive enzyme-linked immunosorbent assay (icELISA) method was established using scDb to obtain an IC50 of 3.5 ng/mL for LAS and 4.1 ng/mL for SAL, which showed better sensitivity and specificity than those of the parent scFv antibodies. The recoveries of LAS and SAL in chicken liver were 89.2-92.7%(CV<4.7%) and 88.6-90.2% (CV<6.8%)), respectively.
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Affiliation(s)
- Yingxian Chen
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, Beijing Laboratory of Food Quality and Safety, 100193, Beijing, People's Republic of China
| | - Kunxia Zhao
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, Beijing Laboratory of Food Quality and Safety, 100193, Beijing, People's Republic of China
| | - Jingjie Huang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, Beijing Laboratory of Food Quality and Safety, 100193, Beijing, People's Republic of China
| | - Miao Li
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, Beijing Laboratory of Food Quality and Safety, 100193, Beijing, People's Republic of China
| | - Xiaojuan Sun
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, Beijing Laboratory of Food Quality and Safety, 100193, Beijing, People's Republic of China
| | - Jiancheng Li
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, Beijing Laboratory of Food Quality and Safety, 100193, Beijing, People's Republic of China.
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Urbaniak A, Reed MR, Fil D, Moorjani A, Heflin S, Antoszczak M, Sulik M, Huczyński A, Kupsik M, Eoff RL, MacNicol MC, Chambers TC, MacNicol AM. Single and double modified salinomycin analogs target stem-like cells in 2D and 3D breast cancer models. Biomed Pharmacother 2021; 141:111815. [PMID: 34130123 PMCID: PMC8429223 DOI: 10.1016/j.biopha.2021.111815] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/25/2021] [Accepted: 06/07/2021] [Indexed: 01/05/2023] Open
Abstract
Breast cancer remains one of the leading cancers among women. Cancer stem cells (CSCs) are tumor-initiating cells which drive progression, metastasis, and reoccurrence of the disease. CSCs are resistant to conventional chemo- and radio-therapies and their ability to survive such treatment enables tumor reestablishment. Metastasis is the main cause of mortality in women with breast cancer, thus advances in treatment will depend on therapeutic strategies targeting CSCs. Salinomycin (SAL) is a naturally occurring polyether ionophore antibiotic known for its anticancer activity towards several types of tumor cells. In the present work, a library of 17 C1-single and C1/C20-double modified SAL analogs was screened to identify compounds with improved activity against breast CSCs. Six single- and two double-modified analogs were more potent (IC50 range of 1.1 ± 0.1-1.4 ± 0.2 µM) toward the breast cancer cell line MDA-MB-231 compared to SAL (IC50 of 4.9 ± 1.6 µM). Double-modified compound 17 was found to be more efficacious than SAL against the majority of cancer cell lines in the NCI-60 Human Tumor Cell Line Panel. Compound 17 was more potent than SAL in inhibiting cell migration and cell renewal properties of MDA-MB-231 cells, as well as inducing selective loss of the CD44+/CD24/low stem-cell-like subpopulation in both monolayer (2D) and organoid (3D) culture. The present findings highlight the therapeutic potential of SAL analogs towards breast CSCs and identify select compounds that merit further study and clinical development.
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Affiliation(s)
- Alicja Urbaniak
- Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, United States.
| | - Megan R Reed
- Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, United States
| | - Daniel Fil
- Department of Physiology and Cell Biology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, United States
| | - Anika Moorjani
- Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, United States
| | - Sarah Heflin
- Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, United States
| | - Michał Antoszczak
- Department of Medical Chemistry, Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614 Poznań, Poland
| | - Michał Sulik
- Department of Medical Chemistry, Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614 Poznań, Poland
| | - Adam Huczyński
- Department of Medical Chemistry, Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614 Poznań, Poland
| | | | - Robert L Eoff
- Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, United States
| | - Melanie C MacNicol
- Department of Neurobiology and Developmental Sciences, University of Arkansas for Medical Sciences, Little Rock, AR 72205, United States
| | - Timothy C Chambers
- Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, United States
| | - Angus M MacNicol
- Department of Neurobiology and Developmental Sciences, University of Arkansas for Medical Sciences, Little Rock, AR 72205, United States
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Li J, Min Y. Pre-clinical evidence that salinomycin is active against retinoblastoma via inducing mitochondrial dysfunction, oxidative damage and AMPK activation. J Bioenerg Biomembr 2021; 53:513-523. [PMID: 34365583 DOI: 10.1007/s10863-021-09915-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 07/20/2021] [Indexed: 11/28/2022]
Abstract
The poor outcomes in retinoblastoma necessitate new treatments. Salinomycin is an attractive candidate, and has demonstrated selective anti-cancer properties in different cancer types. This work addressed the efficacy of salinomycin in retinoblastoma models and probe the associated mechanisms. Cellular functional assays were conducted to determine the effects salinomycin in vitro. Xenograft retinoblastoma mouse model was established to investigate the efficacy of salinomycin in vivo. Biochemical assays were conducted to analyze the mechanism of salinomycin's action focusing on mitochondrial functions, energy reduction-related signaling pathways. Salinomycin has positive effects towards retinoblastoma cells regardless of heterogeneity through suppressing growth and inducing apoptosis. Salinomycin also specifically inhibits cells displaying stemness and highly invasive phenotypes. Using retinoblastoma xenograft mouse model, we show that salinomycin at non-toxic dose effectively inhibits growth and induces apoptosis. Mechanistic studies show that salinomycin inhibits mitochondrial respiration via specifically suppressing complex I and II activities, reduces mitochondrial membrane potential and decreases energy reduction, followed by induction of oxidative stress and damage, AMPK activation and mTOR inhibition. Our study highlights that adding salinomycin to the existing treatment armamentarium for retinoblastoma is beneficial.
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Affiliation(s)
- Jing Li
- Department of Ophthalmology, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, 26 Shengli Street, Wuhan, 430014, Hubei, China
| | - Yao Min
- Department of Ophthalmology, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, 26 Shengli Street, Wuhan, 430014, Hubei, China.
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Kras P, Talkowski K, Grabarek BO, Skalska-Dziobek N, Boroń D, Oplawski M. Evaluation of Variances in VEGF-A-D and VEGFR-1-3 Expression in the Ishikawa Endometrial Cancer Cell Line Treated with Salinomycin and Anti-Angiogenic/Lymphangiogenic Effect. Curr Pharm Biotechnol 2021; 22:697-705. [PMID: 32648839 DOI: 10.2174/1389201021666200710093519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 06/05/2020] [Accepted: 06/07/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND In cancer, an excessive and uncontrolled process of creating new blood and lymphatic vessels that play a key role in the metastasis process can be observed. The Vascular Endothelial Growth Factor (VEGF-A,-B,-C,-D) family together with their specific receptors (VEGFR-1,-2,- 3) plays a key role in these processes, therefore, it would be reasonable to determine the correct pattern of their expression. OBJECTIVES The study aimed to assess the use of salinomycin as an anti-angiogenic and anti-lymphangiogenic drug during endometrial cancer by examining changes in the expression pattern of VEGF-A, VEGF-B, VEGF-C, VEGF-D, VEGFR-1, VEGFR-2 and VEGFR-3 depending on the treatment period of the Ishikawa endometrial cancer cells with salinomycin in comparison to the control culture. MATERIALS AND METHODS To determine how influential salinomycin was on the expression of both mRNAs, 1 μM of the drug was added to the cell culture and then it was cultured all together for 12, 24 and 48 hour periods. The cells that made up the control culture were not treated with salinomycin. To determine the changes in the expression profile of the selected genes, we used the microarray, techniques: RTqPCR and ELISA (p<0.05). RESULTS For all isoforms of VEGF-A-D as well as receptors of VEGFR-1-3, a decrease in expression under the influence of salinomycin was noted. For VEGF-A and VEGFR-1, the difference in the expression between the culture treated with salinomycin in comparison to the control was statistically significant (p=0.0004). In turn, for VEGF-B, the difference between the culture exposed for 24 hours in comparison to the control (p=0.00000) as well as the comparison between H48 vs. C (p=0.00000) was statistically significant. In reference to VEGF-C, VEGFR-2 and VEGFR-3, the statistical analysis showed the significant difference in expression between the culture incubated with the drug for 12, 24 and 48 hours in comparison to the control as well as between the selected times. For all of these comparisons, p=0.00000 was utilized. CONCLUSION Salinomycin changes the expression pattern of VEGF-A, VEGF-B, VEGF-C, VEGF-D, VEGFR-1, VEGFR-2, and VEGFR-3 in endometrial cancer cells. The obtained results suggest that salinomycin might exert the effect via VEGF signaling pathways.
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Affiliation(s)
- Piotr Kras
- Department of Gynecology and Obstetrics with Gynecologic Oncology, Ludwik Rydygier Memorial Specialized Hospital, Krakow, Poland
| | - Karol Talkowski
- Department of Psychiatry, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
| | - Beniamin O Grabarek
- Department of Histology, Cytophysiology and Embryology, Faculty of Medicine in Zabrze, University of Technology in Katowice, Katowice, Poland
| | - Nina Skalska-Dziobek
- Department of Histology, Cytophysiology and Embryology, Faculty of Medicine in Zabrze, University of Technology in Katowice, Katowice, Poland
| | - Dariusz Boroń
- Department of Gynecology and Obstetrics with Gynecologic Oncology, Ludwik Rydygier Memorial Specialized Hospital, Krakow, Poland
| | - Marcin Oplawski
- Department of Gynecology and Obstetrics with Gynecologic Oncology, Ludwik Rydygier Memorial Specialized Hospital, Krakow, Poland
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Zarei M, Jazi MS, Tajaldini M, Khosravi A, Asadi J. Selective Inhibition of Esophageal Cancer Stem-like Cells with Salinomycin. Anticancer Agents Med Chem 2021; 20:783-789. [PMID: 32156244 DOI: 10.2174/1871520620666200310093125] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 12/28/2019] [Accepted: 01/27/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Targeting Cancer Stem-Like Cells (CSLCs) can provide promising new therapeutic strategies to inhibit cancer progression, metastasis and recurrence. Salinomycin (Sal), an antibacterial ionophore, has been shown to inhibit CSCs specifically. Recently, it has been reported that Sal can destabilize TAZ, the hypo pathway transducer in CSLCs. OBJECTIVES Here, in the current study, we aimed to assess the differential toxicity of Sal in esophageal CSLCs and its relation to TAZ gene expression. METHODS The esophageal cancer cell line, KYSE-30, was used for the enrichment of CSLCs. The expression of TAZ was knocked down using specific siRNA transfection and then the cytotoxicity of Sal was measured using XTT assay. The qRT-PCR method was used for gene expression assessment and the sphere formation ability was monitored using light microscopy. RESULTS Our findings showed that esophageal CSLCs over-express stemness-associated genes, including SOX2, OCT4 as well as TAZ (~14 fold, P value=0.02) transcription coactivator. We found Sal can selectively inhibit KYSE-30 CSLCs viability and sphere formation ability; however, TAZ knockdown does not change its differential toxicity. CONCLUSION Overall, our results indicated that Sal can selectively decrease the viability of esophageal CSLCs in a TAZ-independent manner.
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Affiliation(s)
- Mahdi Zarei
- Student Research Committee, Golestan University of Medical Sciences, Gorgan, Iran
| | - Marie S Jazi
- Stem Cell Research Center, Golestan University of Medical Sciences, Gorgan, Iran,Metabolic Disorders Research Center, Golestan University of Medical Sciences,
Gorgan, Iran
| | - Mahboubeh Tajaldini
- Department of Animal and Poultry Physiology, Faculty of Animal Sciences, Gorgan University of Agricultural
Sciences and Natural Resources, Gorgan, Iran
| | - Ayyoob Khosravi
- Stem Cell Research Center, Golestan University of Medical Sciences, Gorgan, Iran,Department of Molecular Medicine, Faculty of Advanced Medical Technologies, Golestan University of Medical Sciences, Gorgan, Iran
| | - Jahanbakhsh Asadi
- Metabolic Disorders Research Center, Golestan University of Medical Sciences,
Gorgan, Iran
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Basu SM, Yadava SK, Singh R, Giri J. Lipid nanocapsules co-encapsulating paclitaxel and salinomycin for eradicating breast cancer and cancer stem cells. Colloids Surf B Biointerfaces 2021; 204:111775. [PMID: 33940518 DOI: 10.1016/j.colsurfb.2021.111775] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 01/22/2021] [Accepted: 04/15/2021] [Indexed: 12/30/2022]
Abstract
Cancer stem cells (CSCs) comprise a diminutive population of the tumor but pose major obstacles in cancer treatment, often their presence being correlated with poor prognosis, therapeutic resistance and relapse. Nanocarriers of combined drugs regimes demonstrate improved pharmacokinetics and decreased systemic toxicity by targeting the bulk tumor cells along with CSCs, holding the key to future successful chemotherapy. Herein, we developed lipid nanocapsules (LNCs) with co-encapsulated paclitaxel (PTX) and salinomycin (SAL) to eliminate breast cancer cells (MCF-7; non-bCSCs) and cancer stem cells (bCSCs) respectively. LNCs loaded with either PTX or SAL alone or in combination were fabricated by the phase inversion temperature (PIT) method. Physicochemical properties such as nano-size (90 ± 5 nm) and spherical morphology of LNCs were confirmed by dynamic light scattering (DLS) and scanning electron microscopy (SEM) respectively. More than 98 % encapsulation efficiency of drug, alone or in combination, and their controlled drug release was obtained. Drug loaded LNCs were efficiently internalized and exhibited cytotoxicity in non-bCSCs and bCSCs, with dual drug loaded LNCs offering superior cytotoxicity and anti-bCSCs property. Drug loaded nanocapsules induced apoptosis in bCSCs, potentiated with the co-delivery of paclitaxel and salinomycin. Synergistic cytotoxic effect on both cells, non-bCSCs and bCSCs and effective reduction of the tumor mammospheres growth by co-encapsulated paclitaxel and salinomycin suggest LNCs to be promising for treatment of breast cancer.
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Gordillo Jaramillo FX, Kim DH, Lee SH, Kwon SK, Jha R, Lee KW. Role of oregano and Citrus species-based essential oil preparation for the control of coccidiosis in broiler chickens. J Anim Sci Biotechnol 2021; 12:47. [PMID: 33820552 PMCID: PMC8022417 DOI: 10.1186/s40104-021-00569-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Accepted: 02/07/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Due to presence of drug-resistant Eimeria strains and raised public health safety concerns about drug residues in the meat, there is renewed interest in the search for natural alternatives to the coccidiosis control agents. This study was conducted to test the anticoccidial efficacy of oregano and Citrus spp.-based essential oils for broilers. METHODS A total of 280 7-day-old broiler chicks were fed a control diet or diets with salinomycin or essential oils for up to 35 d of age. On d 14, half of the control groups and the treated groups were orally challenged with a coccidiosis vaccine at 25 times higher than the recommended vaccine dose. Control diet-fed chickens that were gavaged with phosphate-buffered saline were considered non-challenged control group. RESULTS Eimeria challenge or dietary additives failed to affect growth performance during the 7 to 20 d growth period although essential oil-fed chickens exhibited the lowest body wight gain (P = 0.332) and the highest feed conversion ratio (P = 0.062). Oocysts in the litter were detected in the challenged control diet group and the challenged/essential oil-fed groups at 21 and 35 d, respectively. Superoxide dismutase activity in the serum was elevated (P = 0.059) in the salinomycin-fed chickens compared to the challenged controls. Alpha-1-acid glycoprotein was decreased by 28.7% in the salinomycin-fed chickens but increased by 38.1% in the essential oil group compared with the challenged control group. Challenged control group exhibited a significantly higher cooking loss of the thigh meat, compared to the non-challenged control diet group, which was marginally mitigated by dietary supplementation with essential oils. Chickens fed essential oil-added diet had the highest branched-chain fatty acids contents in the cecum. CONCLUSIONS In conclusion, this study shows that oregano and Citrus-based essential oil preparation did not affect growth performance in broiler chickens challenged with the coccidiosis vaccine nor did Eimeria-specific duodenal lesion. However, dietary essential oil preparation lowered oocysts present in litter materials and altered branched-chain fatty acids in cecal digesta. Beneficial findings of the essential oil preparation on volatile fatty acids and oocysts output may warrant further research into assessing its effectiveness and its efficacy in pathogenic field-isolate Eimeria spp.-induced coccidiosis disease model.
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Affiliation(s)
| | - Da-Hye Kim
- Department of Animal Science and Technology, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul, 05029, Republic of Korea
| | - Sang Hyeok Lee
- Department of Animal Science and Technology, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul, 05029, Republic of Korea
| | - Sun-Kwan Kwon
- Harim Bio Research Center, Jeilfeed Co., LTD, 136 Techno2-ro, Yuseong-gu, Deajeon-si, 34025, Republic of Korea
| | - Rajesh Jha
- Department of Human Nutrition, Food and Animal Sciences, College of Tropical Agricultural and Human Resources, University of Hawaii at Manoa, Honolulu, HI, 96822, USA
| | - Kyung-Woo Lee
- Department of Animal Science and Technology, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul, 05029, Republic of Korea.
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Wang Q, Yen YT, Xie C, Liu F, Liu Q, Wei J, Yu L, Wang L, Meng F, Li R, Liu B. Combined delivery of salinomycin and docetaxel by dual-targeting gelatinase nanoparticles effectively inhibits cervical cancer cells and cancer stem cells. Drug Deliv 2021; 28:510-519. [PMID: 33657950 PMCID: PMC7935125 DOI: 10.1080/10717544.2021.1886378] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Intra-tumor heterogeneity is widely accepted as one of the key factors, which hinders cancer patients from achieving full recovery. Especially, cancer stem cells (CSCs) may exhibit self-renewal capacity, which makes it harder for complete elimination of tumor. Therefore, simultaneously inhibiting CSCs and non-CSCs in tumors becomes a promising strategy to obtain sustainable anticancer efficacy. Salinomycin (Sal) was reported to be critical to inhibit CSCs. However, the poor bioavailability and catastrophic side effects brought about limitations to clinical practice. To solve this problem, we previously constructed gelatinase-stimuli nanoparticles composed of nontoxic, biocompatible polyethylene glycol-polycaprolactone (PEG-PCL) copolymer with a gelatinase-cleavable peptide Pro-Val-Gly-Leu-Iso-Gly (PVGLIG) inserted between the two blocks of the copolymer. By applying our “smart” gelatinase-responsive nanoparticles for Sal delivery, we have demonstrated specific accumulation in tumor, anti-CSCs ability and reduced toxicity of Sal-NPs in our previous study. In the present study, we synthesized Sal-Docetaxel-loaded gelatinase-stimuli nanoparticles (Sal-Doc NP) and confirmed single emulsion as the optimal method of producing Sal-Doc NPs (Sal-Doc SE-NP) in comparison with nanoprecipitation. Sal-Doc SE-NPs inhibited both CSCs and non-CSCs in mice transplanted with cervical cancer, and might be associated with enhanced restriction of epithelial-mesenchymal transition (EMT) pathway. Besides, the tumorigenic capacity and growing speed were obviously suppressed in Sal-Doc-SE-NPs-treated group in rechallenge experiment. Our results suggest that Sal-Doc-loaded gelatinase-stimuli nanoparticles could be a promising strategy to enhance antitumor efficacy and reduce side effects by simultaneously suppressing CSCs and non-CSCs.
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Affiliation(s)
- Qin Wang
- The Comprehensive Cancer Center of Drum Tower Hospital, Medical School of Nanjing University & Clinical Cancer Institute of Nanjing University, Nanjing, China
| | - Ying-Tzu Yen
- The Comprehensive Cancer Center of Drum Tower Hospital, Medical School of Nanjing University & Clinical Cancer Institute of Nanjing University, Nanjing, China
| | - Chen Xie
- Key Laboratory for Organic Electronics and Information Displays, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts & Telecommunications, Nanjing, China
| | - Fangcen Liu
- Department of pathology, Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China
| | - Qin Liu
- The Comprehensive Cancer Center of Drum Tower Hospital, Medical School of Nanjing University & Clinical Cancer Institute of Nanjing University, Nanjing, China
| | - Jia Wei
- The Comprehensive Cancer Center of Drum Tower Hospital, Medical School of Nanjing University & Clinical Cancer Institute of Nanjing University, Nanjing, China
| | - Lixia Yu
- The Comprehensive Cancer Center of Drum Tower Hospital, Medical School of Nanjing University & Clinical Cancer Institute of Nanjing University, Nanjing, China
| | - Lifeng Wang
- The Comprehensive Cancer Center of Drum Tower Hospital, Medical School of Nanjing University & Clinical Cancer Institute of Nanjing University, Nanjing, China
| | - Fanyan Meng
- The Comprehensive Cancer Center of Drum Tower Hospital, Medical School of Nanjing University & Clinical Cancer Institute of Nanjing University, Nanjing, China
| | - Rutian Li
- The Comprehensive Cancer Center of Drum Tower Hospital, Medical School of Nanjing University & Clinical Cancer Institute of Nanjing University, Nanjing, China
| | - Baorui Liu
- The Comprehensive Cancer Center of Drum Tower Hospital, Medical School of Nanjing University & Clinical Cancer Institute of Nanjing University, Nanjing, China
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Pavlova E, Pashkunova-Martic I, Schaier M, Petrova E, Gluhcheva Y, Dorkov P, Helbich TH, Keppler B, Koellensperger G, Ivanova J. Ameliorative effects of deferiprone and tetraethylammonium salt of salinomycinic acid on lead-induced toxicity in mouse testes. Environ Sci Pollut Res Int 2021; 28:6784-6795. [PMID: 33006102 DOI: 10.1007/s11356-020-10960-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2020] [Accepted: 09/21/2020] [Indexed: 06/11/2023]
Abstract
In this study, we compare the effects of deferiprone (Def) and tetraethylammonium salt of salinomycinic acid (Sal) on lead (Pb)-induced toxicity in testes of Pb-exposed mice. Mature male ICR mice were allocated into four groups as follows: untreated control mice (ctrl)-received distilled water for 4 weeks; Pb-exposed mice (Pb)-subjected to 14-day Pb (II) nitrate administration at dose 80 mg/kg body weight (b.w.); Pb + Def group-Pb-exposed mice, treated with 20 mg/kg b.w. Def for 2 weeks; and Pb + Sal group-Pb-intoxicated mice, treated with 16 mg/kg b.w. Sal for 14 days. The results demonstrated that Pb exposure significantly increased blood and testicular Pb concentrations, decreased testicular calcium (Ca) content, significantly elevated testicular levels of magnesium (Mg), zinc (Zn), and selenium (Se) but did not significantly affect the endogenous contents of phosphorous (P) and iron (Fe) compared with untreated controls. Pb intoxication induced disorganization of the seminiferous epithelium. Def or Sal administration reduced blood Pb and testicular Pb concentrations in Pb-exposed mice compared with the Pb-intoxicated group. Mg, Zn, and Se concentrations in testes of Pb-exposed mice, treated with Def or Sal, remained higher compared with the untreated controls. Sal significantly increased testicular P concentration compared with untreated controls and significantly elevated the testicular Ca and Fe concentrations compared with the toxic control group. Both chelating agents improved testicular morphology to a great extent. The results demonstrate the potential of both compounds as antidotes for treatment of Pb-induced impairment of male reproductive function.
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Affiliation(s)
- Ekaterina Pavlova
- Institute of Experimental Morphology, Pathology and Anthropology with Museum, Bulgarian Academy of Sciences, Acad. Georgi Bonchev Str., Bl. 25, 1113, Sofia, Bulgaria
| | - Irena Pashkunova-Martic
- Department of Biomedical Imaging and Image-Guided Therapy, Division of Molecular and Structural Preclinical Imaging, Medical University of Vienna and General Hospital of Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria
| | - Martin Schaier
- Institute of Analytical Chemistry, University of Vienna, Waehringer Strasse 38, 1090, Vienna, Austria
| | - Emilia Petrova
- Institute of Experimental Morphology, Pathology and Anthropology with Museum, Bulgarian Academy of Sciences, Acad. Georgi Bonchev Str., Bl. 25, 1113, Sofia, Bulgaria
| | - Yordanka Gluhcheva
- Institute of Experimental Morphology, Pathology and Anthropology with Museum, Bulgarian Academy of Sciences, Acad. Georgi Bonchev Str., Bl. 25, 1113, Sofia, Bulgaria
| | - Peter Dorkov
- Chemistry Department, R&D, BIOVET JSC, 39 Peter Rakov Str, 4550, Peshtera, Bulgaria
| | - Thomas H Helbich
- Department of Biomedical Imaging and Image-Guided Therapy, Division of Molecular and Structural Preclinical Imaging, Medical University of Vienna and General Hospital of Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria
| | - Bernhard Keppler
- Institute of Inorganic Chemistry, University of Vienna, Waehringer Strasse 42, 1090, Vienna, Austria
| | - Gunda Koellensperger
- Institute of Analytical Chemistry, University of Vienna, Waehringer Strasse 38, 1090, Vienna, Austria
| | - Juliana Ivanova
- Faculty of Medicine, Sofia University "St. Kliment Ohridski", Kozjak Str., 1, 1407, Sofia, Bulgaria.
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Norouzi M, Firouzi J, Sodeifi N, Ebrahimi M, Miller DW. Salinomycin-loaded injectable thermosensitive hydrogels for glioblastoma therapy. Int J Pharm 2021; 598:120316. [PMID: 33540001 DOI: 10.1016/j.ijpharm.2021.120316] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Revised: 01/18/2021] [Accepted: 01/23/2021] [Indexed: 12/20/2022]
Abstract
Local drug delivery approaches for treating brain tumors not only diminish the toxicity of systemic chemotherapy, but also circumvent the blood-brain barrier (BBB) which restricts the passage of most chemotherapeutics to the brain. Recently, salinomycin has attracted much attention as a potential chemotherapeutic agent in a variety of cancers. In this study, poly (ethylene oxide)/poly (propylene oxide)/poly (ethylene oxide) (PEO-PPO-PEO, Pluronic F127) and poly (dl-lactide-co-glycolide-b-ethylene glycol-b-dl-lactide-co-glycolide) (PLGA-PEG-PLGA), the two most common thermosensitive copolymers, were utilized as local delivery systems for salinomycin in the treatment of glioblastoma. The Pluronic and PLGA-PEG-PLGA hydrogels released 100% and 36% of the encapsulated salinomycin over a one-week period, respectively. While both hydrogels were found to be effective at inhibiting glioblastoma cell proliferation, inducing apoptosis and generating intracellular reactive oxygen species, the Pluronic formulation showed better biocompatibility, a superior drug release profile and an ability to further enhance the cytotoxicity of salinomycin, compared to the PLGA-PEG-PLGA hydrogel formulation. Animal studies in subcutaneous U251 xenograftednudemice also revealed that Pluronic + salinomycin hydrogel reduced tumor growth compared to free salinomycin- and PBS-treated mice by 4-fold and 6-fold, respectively within 12 days. Therefore, it is envisaged that salinomycin-loaded Pluronic can be utilized as an injectable thermosensitive hydrogel platform for local treatment of glioblastoma, providing a sustained release of salinomycin at the tumor site and potentially bypassing the BBB for drug delivery to the brain.
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Hwang KE, Kim HJ, Song IS, Park C, Jung JW, Park DS, Oh SH, Kim YS, Kim HR. Salinomycin suppresses TGF-β1-induced EMT by down-regulating MMP-2 and MMP-9 via the AMPK/SIRT1 pathway in non-small cell lung cancer. Int J Med Sci 2021; 18:715-726. [PMID: 33437206 PMCID: PMC7797542 DOI: 10.7150/ijms.50080] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 10/15/2020] [Indexed: 12/13/2022] Open
Abstract
Salinomycin (Sal) is a recently identified anti-tumor drug for treating several types of solid tumor; however, its effects on the migratory and invasive properties of non-small cell lung cancer (NSCLC) remain unclear. This study investigated the inhibitory effect underlying mechanisms of Salon transforming growth factor-β1 (TGF-β1)-induced epithelial-to-mesenchymal transition (EMT) and cell migration. Sal solidly blocked cell migration and invasion enhancement by TGF-β1-induced EMT, through recovering E-cadherin loss and suppressing mesenchymal markers induction, as well as TGF-β1-mediated AMPK/SIRT signaling activity upregulation. The pharmacologic inhibition or knockdown of AMPK or SIRT1 can act synergistically with Sal to inhibit TGF-β1-induced MMP-2 and MMP-9. In contrast, AMPK or SIRT1 upregulation can protect against TGF-β1-induced MMP-2 and MMP-9 inhibition by Sal. Next we demonstrated that the MMP-2 and MMP-9 knockdown can act synergistically with Sal to inhibit TGF-β1-induced EMT. Moreover, treatment of PMA of MMP activator increased TGF-β1-induced MMP-2 and MMP-9, even with Sal. Our results demonstrate that Sal suppresses TGF-β1-induced EMT by downregulating MMP-2 and MMP-9 through the AMPK/SIRT pathway, thereby inhibiting lung cancer cell migration and invasion.
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Affiliation(s)
- Ki-Eun Hwang
- Department of Internal Medicine, Wonkwang University, School of Medicine, Iksan, Jeonbuk 54538, Republic of Korea
| | - Hyo-Jin Kim
- Medical Convergence Research Center, Wonkwang University, Iksan, Jeonbuk 54538, Republic of Korea
| | - In-Sol Song
- Department of Internal Medicine, Wonkwang University, School of Medicine, Iksan, Jeonbuk 54538, Republic of Korea
| | - Chul Park
- Department of Internal Medicine, Wonkwang University, School of Medicine, Iksan, Jeonbuk 54538, Republic of Korea
| | - Jae Wan Jung
- Department of Internal Medicine, Wonkwang University, School of Medicine, Iksan, Jeonbuk 54538, Republic of Korea
| | - Do-Sim Park
- Department of Laboratory Medicine, Wonkwang University, School of Medicine, Iksan, Jeonbuk 54538, Republic of Korea
| | - Seon-Hee Oh
- Department of Premedicine, Chosun University, School of Medicine, Gwangju 61452, Republic of Korea
| | - Young-Suk Kim
- Medical Convergence Research Center, Wonkwang University, Iksan, Jeonbuk 54538, Republic of Korea
| | - Hak-Ryul Kim
- Department of Internal Medicine, Wonkwang University, School of Medicine, Iksan, Jeonbuk 54538, Republic of Korea
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Vipparthi K, Patel AK, Ghosh S, Das S, Das C, Das K, Sarkar A, Thatikonda V, Pal B, Remani ASKN, Arora N, Parihar M, Vijayakumar MV, Bhat MK, Boppana R, Bhattacharjee S, Biswas NK, Arun P, Sharan R, Singh S. Two novel cell culture models of buccal mucosal oral cancer from patients with no risk-habits of tobacco smoking or chewing. Oral Oncol 2020; 113:105131. [PMID: 33387705 DOI: 10.1016/j.oraloncology.2020.105131] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 11/12/2020] [Accepted: 12/01/2020] [Indexed: 10/22/2022]
Abstract
OBJECTIVE Tobacco consumption is one of the major etiological factors for oral cancer, but it also develops in non-tobacco users, with unknown etiologies. Cellular models for tobacco associated oral cancer are available, however; reports of cellular models for studying non-tobacco associated oral cancer are limiting. We report here the establishment and characterization of two novel buccal mucosal cancer cell lines 'GBC02' and 'GBC035' derived from non-tobacco users. MATERIALS AND METHODS Short tandem repeats (STR) profiling, Next-generation sequencing for whole-genome, exome and copy number alterations, immunofluorescence, flow-cytometry, proliferation, live-cell chemotaxis, 3D-spheroid formation, chemotherapy response, gene-expression microarray, gene-set enrichment analysis and xenograft development were performed. RESULTS Sources of the established cultures were matched to their donors through STR profiling. Genome sequence analysis revealed somatic mutations in TP53, CASP8, CDKN2A for GBC02 with deletions and amplifications encompassing CDKN2A, FAT1 and CCND1, PIK3CA, SOX2, EGFR, MYC genes, respectively. GBC035 harbored mutations in FAT1, NOTCH1, HRAS, CDKN2A, HLA-B, HLA-A genes. While GBC035 cells showed higher E-Cadherin positive cell-cell junctions and collective cell migration in chemotaxis; GBC02 cells were vimentin-positive and demonstrated individual cell migration. Further, exhibiting their relevance to preclinical research, GBC02 3D-spheroids demonstrated enrichment of development-related gene-signatures in microarray transcriptome analysis and were resistant to Cisplatin, but showed sensitivity to cancer stem cells-targeting drug, Salinomycin. Additionally, tumorigenic ability of GBC02 was demonstrated. CONCLUSIONS Altogether, we present here comprehensively characterized unique cell lines established from non-tobacco associated tumors, which may serve as models for preclinical investigations of oral cancers caused independent of tobacco usage.
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Affiliation(s)
| | | | | | - Subrata Das
- National Institute of Biomedical Genomics, Kalyani, India
| | | | - Koyeli Das
- National Institute of Biomedical Genomics, Kalyani, India
| | - Anwesha Sarkar
- National Institute of Biomedical Genomics, Kalyani, India
| | | | | | | | | | | | | | | | | | | | | | | | | | - Sandeep Singh
- National Institute of Biomedical Genomics, Kalyani, India.
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Kuran D, Flis S, Antoszczak M, Piskorek M, Huczyński A. Ester derivatives of salinomycin efficiently eliminate breast cancer cells via ER-stress-induced apoptosis. Eur J Pharmacol 2020; 893:173824. [PMID: 33347821 DOI: 10.1016/j.ejphar.2020.173824] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 12/13/2020] [Accepted: 12/16/2020] [Indexed: 12/25/2022]
Abstract
The polyether ionophore salinomycin (SAL) has been found to selectively target breast cancer cells, including those with stem-like phenotype. On the other hand, SAL amides and esters obtained through derivatisation of the C1 carboxyl of the ionophore were found to exhibit anticancer properties, whilst reducing potential toxicity issues which often occur during standard chemotherapy. However, the studies on the activity and especially on the mechanisms of action of this class of semi-synthetic products against breast cancer cells are very limited. Therefore, in this work, we confirmed the anti-breast cancer activity of SAL, and further investigated the potential of its selected C1 amide and ester analogs to destroy breast cancer cells, including the highly aggressive triple-negative MDA-MB-231 cells. Importantly, SAL esters were found to be more potent than the native structure and their amide counterparts. Our data revealed that SAL ester derivatives, particularly compounds 5 and 7 (2,2,2-trifluoroethyl and benzotriazole ester of SAL, respectively), increase the level of p-eIF2α (Ser51) and IRE1α proteins. Additionally, an increased level of DNA damage indicators such as γH2AX protein and modified guanine (8-oxoG) was observed. These findings suggest that the apoptosis of MCF-7 and MDA-MB-231 cells induced by the most promising esters derived from SAL may result from the interaction between ER stress and DNA damage response mechanisms.
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Affiliation(s)
- Dominika Kuran
- Department of Pharmacology, National Medicines Institute, Chełmska 30/34, 00‒725, Warsaw, Poland
| | - Sylwia Flis
- Department of Pharmacology, National Medicines Institute, Chełmska 30/34, 00‒725, Warsaw, Poland.
| | - Michał Antoszczak
- Department of Medical Chemistry, Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61‒614, Poznań, Poland
| | - Marlena Piskorek
- Department of Pharmacology, National Medicines Institute, Chełmska 30/34, 00‒725, Warsaw, Poland
| | - Adam Huczyński
- Department of Medical Chemistry, Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61‒614, Poznań, Poland.
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Urbaniak A, Piña-Oviedo S, Yuan Y, Huczyński A, Chambers TC. Limitations of an ex vivo breast cancer model for studying the mechanism of action of the anticancer drug paclitaxel. Eur J Pharmacol 2020; 891:173780. [PMID: 33271152 DOI: 10.1016/j.ejphar.2020.173780] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 11/18/2020] [Accepted: 11/27/2020] [Indexed: 12/14/2022]
Abstract
Paclitaxel is widely used in the treatment of breast, ovarian, lung, and other cancers. Its primary mechanism is to prevent microtubule depolymerization causing loss of dynamic instability crucial for normal microtubule function leading to mitotic arrest. Prolonged mitotic arrest results in cell death as a secondary response. The effects of paclitaxel are typically studied in cell lines which precludes assessment of the possible influence of tumor-associated cells. We therefore examined paclitaxel action ex vivo in fresh explant cultures of human breast tumors. Surprisingly, we found that paclitaxel failed to induce tumor cell death in explant culture, in contrast to several other cytotoxic agents including salinomycin and vincristine. The lack of effect was not due to defective drug uptake, and furthermore, analysis of H&E stained tumor slices indicated that paclitaxel treatment caused defective (granular) mitosis and chromosomal condensation in 5-10% of tumor cells after 72 h. These results suggest that while paclitaxel was able to penetrate into the tumor slice and disrupt mitosis in cycling tumor cells, any ensuing cell death likely occurred beyond the useful lifetime of the tumor slices. We conclude that explant culture systems may be inappropriate for the study of cytotoxic drugs where a delay exists between the drug's primary and secondary modes of action.
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Affiliation(s)
- Alicja Urbaniak
- Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, USA
| | - Sergio Piña-Oviedo
- Department of Pathology, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, USA
| | - Youzhong Yuan
- Department of Pathology, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, USA
| | - Adam Huczyński
- Department of Medical Chemistry, Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznanskiego 8, 61-614, Poznań, Poland
| | - Timothy C Chambers
- Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, USA.
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Shen H, Sun CC, Kang L, Tan X, Shi P, Wang L, Liu E, Gong J. Low-dose salinomycin inhibits breast cancer metastasis by repolarizing tumor hijacked macrophages toward the M1 phenotype. Eur J Pharm Sci 2020; 157:105629. [PMID: 33176191 DOI: 10.1016/j.ejps.2020.105629] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Revised: 10/16/2020] [Accepted: 10/23/2020] [Indexed: 11/26/2022]
Abstract
Macrophages are sentinels of the immune system, which are often hijacked by tumor cells to assist tumor growth and metastasis. Herein our results showed that low dose salinomycin (SAL) in the range of 10-50 nM could efficiently induce M1 macrophage polarization in a dose- and time- dependent manner in vitro, with 30 nM SAL being optimal to generate M1-type macrophages from RAW246.7 cells. In animal study, intratumorally injected SAL (50 µg/kg) increased proportion of CD86 cells (by 28.9%), and decreased CD206 cells (by 14.2%) in transplant 4T1 tumors, in comparison with PBS group. Thus it resulted in significant regression in tumor growth (20% tumor inhibition) and pulmonary metastasis (reduced the number of metastatic nodes by 58%) in SAL group, whereas lipopolysaccharide (LPS) and paclitaxel (PTX) groups showed comparable number of metastatic lesions and volume of tumor. LPS treatment could as well lead to inflammatory reactions in tumor with SAL group, but resulted in systemic inflammation (elevated levels of IL-1α, IL-1β and TNF-α in serum), and PTX (10 μg/kg) treatment increased both types of macrophages. For the first time, we employed salinomycin below the dose of direct antitumor activity could effectively prime M1 type macrophage stimulation and regress tumor growth and metastasis.
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Affiliation(s)
- Huan Shen
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300072, China
| | - Changquan Calvin Sun
- Pharmaceutical Materials Science and Engineering Laboratory, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, MN 55455, USA
| | - Lichun Kang
- School of Medicine, State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin, 300071, China
| | - Xiaoyue Tan
- School of Medicine, State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin, 300071, China
| | - Peng Shi
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300072, China
| | - Lingyu Wang
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300072, China
| | - Ergang Liu
- Aikedao Biotechnology Co. Ltd., Changde, Hunan, 415000, China.
| | - Junbo Gong
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300072, China.
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Kiełbasiński K, Peszek W, Grabarek BO, Boroń D, Wierzbik-Strońska M, Oplawski M. Effect of Salinomycin on Expression Pattern of Genes Associated with Apoptosis in Endometrial Cancer Cell Line. Curr Pharm Biotechnol 2020; 21:1269-1277. [PMID: 32400328 PMCID: PMC7604770 DOI: 10.2174/1389201021666200513074022] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 03/08/2020] [Accepted: 03/25/2020] [Indexed: 12/15/2022]
Abstract
Background Salinomycin is part of a group of ionophore antibiotics characterized by an activity towards tumor cells. To this day, the mechanism through which salinomycin induces their apoptosis is not fully known yet. The goal of this study was to assess the expression pattern of genes and the proteins coded by them connected with the process of programmed cell death in an endometrial cancer cell Ishikawa culture exposed to salinomycin and compared to the control. Materials and Methods Analysis of the effect of salinomycin on Ishikawa endometrial cancer cells (ECACC 99040201) included a cytotoxicity MTT test (with a concentration range of 0.1-100 µM), assessment of the induction of apoptosis and necrosis by salinomycin at a concentration of 1 µM as well the assessment of the expression of the genes chosen in the microarray experiment (microarray HG-U 133A_2) and the proteins coded by them connected with apoptosis (RTqPCR, ELISA assay). The statistical significance level for all analyses carried out as part of this study was p<0.05. Results It was observed that salinomycin causes the death of about 50% of cells treated by it (50.74±0.80% of all cells) at a concentration of 1µM. The decrease in the number of living cells was determined directly after treatment of the cells with the drug (time 0). The average percent of late apoptotic cells was 1.65±0.24% and 0.57±0.01% for necrotic cells throughout the entire observation period. Discussion Microarray analysis indicated the following number of mRNA differentiating the culture depending on the time of incubation with the drug: H_12 vs C = 114 mRNA, H_8 vs C = 84 mRNA, H_48 vs. C = 27 mRNA, whereas 5 mRNAs were expressed differently at all times. During the whole incubation period of the cells with the drug, the following dependence of the expression profile of the analyzed transcripts was observed: Bax>p53>FASL>BIRC5>BCL2L. Conclusion The analysis carried out indicated that salinomycin, at a concentration of 1 µM, stopped the proliferation of 50% of endometrial cancer cells, mainly by inducing the apoptotic process of the cells. The molecular exponent of the induction of programmed cell death was an observed increase in the transcriptional activity of pro-apoptotic genes: Bax;p53;FASL and a decrease in the expression of anti-apoptotic genes: BCL2L2; BIRC5.
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Affiliation(s)
- Kamil Kiełbasiński
- Department of Obsterics and Gynaecology in Ruda Slaska, Medical University of Silesia, Ruda Slaska, Poland
| | - Wojciech Peszek
- Department of Gynecology and Obstetrics with Gynecologic Oncology, Ludwik Rydygier Memorial Specialized Hospital, Kraków, Poland
| | - Beniamin O Grabarek
- Department of Clinical Trials, Maria Sklodowska-Curie National Research Institute of Oncology Krakow Branch, Kraków, Poland,Department of Histology, Cytophysiology and Embryology, Faculty of Medicine, University of Technology, Zabrze, Poland
| | - Dariusz Boroń
- Department of Gynecology and Obstetrics with Gynecologic Oncology, Ludwik Rydygier Memorial Specialized Hospital, Kraków, Poland,Department of Clinical Trials, Maria Sklodowska-Curie National Research Institute of Oncology Krakow Branch, Kraków, Poland,Department of Histology, Cytophysiology and Embryology, Faculty of Medicine, University of Technology, Zabrze, Poland
| | | | - Marcin Oplawski
- Department of Gynecology and Obstetrics with Gynecologic Oncology, Ludwik Rydygier Memorial Specialized Hospital, Kraków, Poland
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Magdy G, Abdel Hakiem AF, Belal F, Abdel-Megied AM. Green one-pot synthesis of nitrogen and sulfur co-doped carbon quantum dots as new fluorescent nanosensors for determination of salinomycin and maduramicin in food samples. Food Chem 2020; 343:128539. [PMID: 33183875 DOI: 10.1016/j.foodchem.2020.128539] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 10/14/2020] [Accepted: 10/29/2020] [Indexed: 12/20/2022]
Abstract
A simple green hydrothermal method was proposed for synthesis of highly fluorescent nitrogen and sulfur co-doped carbon quantum dots (N,S-CQDs) using citric acid and thiosemicarbazide. The produced N,S-CQDs were subjected to extensive spectroscopic characterization and applied as fluorescent nanosensors for the sensitive spectrofluorimetric determination of salinomycin and maduramicin directly without prior derivatization for the first time. The obtained N,S-CQDs showed strong emission band at 430 nm after excitation at 360 nm. The native fluorescence of N,S-CQDs was found to be quenched by the addition of increased concentrations of each drug. Method validation revealed a wide linear relationship between the fluorescence quenching of N,S-CQDs and the concentration of each drug in the range of 10.0-300.0 μM with detection limits of 2.07 μM and 1.34 μM for salinomycin and maduramicin, respectively. The developed method has been efficiently applied for estimation of analytes in six raw matrices with high recoveries.
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Affiliation(s)
- Galal Magdy
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Kafrelsheikh University, Kafrelsheikh, P.O. Box 33511, Egypt.
| | - Ahmed F Abdel Hakiem
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Kafrelsheikh University, Kafrelsheikh, P.O. Box 33511, Egypt
| | - Fathalla Belal
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Mansoura University, Mansoura, P.O. Box 35516, Egypt.
| | - Ahmed M Abdel-Megied
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Kafrelsheikh University, Kafrelsheikh, P.O. Box 33511, Egypt; School of Pharmacy, Pacific University Oregon, Hillsboro, OR 97123, USA.
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沙利霉素对口腔鳞癌细胞增殖和凋亡的影响. Beijing Da Xue Xue Bao Yi Xue Ban 2020; 52. [PMID: 33047727 DOI: 10.19723/j.issn.1671-167X.2020.05.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
OBJECTIVE To investigate the effects of salinomycin on the proliferation and apoptosis of oral squamous carcinoma cells and to further understand the mechanisms of these effects. METHODS The human oral squamous carcinoma cell line CAL-27 was cultured in different concentrations of salinomycin and cisplatin. After co-culture with 0, 1, 2, 4, 8, 16 and 32 μmol/L salinomycin or 0, 1.25, 2.5, 5, 10, 20, 40 and 80 μmol/L cisplatin for 24 hours and 48 hours, the proliferation of oral squamous carcinoma cells were detected by cell counting kit-8(CCK-8) assay. After being exposed to 0, 2, 4, 8 μmol/L salinomycin and 0, 5, 10, 20 μmol/L cisplatin for 48 hours, the cell cycle of oral squamous carcinoma cells was detected by flow cytometry assay, and Western blot analysis was performed to analyze the expressions of cysteine-containing aspartate-specific proteases-3(Caspase-3), cysteine-containing aspartate-specific proteases-9(Caspase-9), poly ADP-ribose polymerase (PARP), protein kinase B (Akt) and phosphorylated protein kinase B (p-Akt) protein in oral squamous carcinoma cells. RESULTS Both salinomycin and cisplatin significantly inhibited the proliferation of oral squamous cell carcinoma CAL-27 cells in a time- and dose-dependent manner. However, compared with the first-line chemotherapeutic drug cisplatin, salinomycin showed stronger anti-proliferation activity in oral squamous carcinoma cells than cisp-latin (P < 0.001). After being exposed to 8 μmol/L salinomycin, CAL-27 cells exhibited markedly higher proportion in quiescent/ first gap phases (40.40%±1.99% vs. 64.46%±0.90%, P < 0.05), and had a significantly lower proportion in synthesis phases and second gap / mitosis phases (24.32%±2.30% vs. 18.73%±0.61%, P < 0.05; 35.01%±1.24% vs. 16.54%±1.31%, P < 0.05) compared with the dimethyl sulfoxide control group; moreover cisplatin didn't show cell-cycle specific effect on CAL-27. Western blot proved that salinomycin could up-regulate the expressions of Caspase-3 and Caspase-9 protein in oral squamous cell carcinoma CAL-27 cells (P < 0.05). At the same time, the levels of PARP, Akt and p-Akt protein were down-regulated (P < 0.05). CONCLUSION Compared with cisplatin, salinomycin has a better inhibitory effect on the proliferation of oral squamous carcinoma cells and blocks the cell cycle process at the quiescent / first gap phase. At the same time, salinomycin could trigger apoptosis of oral squamous carcinoma cells and the mechanism is associated with the Akt/p-Akt signaling pathway.
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Pindiprolu SKSS, Kumar CSP, Kumar Golla VS, P L, K SC, S K EB, R K R. Pulmonary delivery of nanostructured lipid carriers for effective repurposing of salinomycin as an antiviral agent. Med Hypotheses 2020; 143:109858. [PMID: 32516655 PMCID: PMC7260485 DOI: 10.1016/j.mehy.2020.109858] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Accepted: 05/19/2020] [Indexed: 12/23/2022]
Abstract
Coronavirus disease outbreak caused a severe public health burden all over the world. Salinomycin (SAL) is a broad-spectrum antibiotic that had drawn attention in selective targeting of cancer and viral infections. Recent drug screen identified SAL as a potent antiviral agent against SARS-CoV-2. In this hypothesis, we discuss the potential of pulmonary delivery of SAL using nanostructured lipid carriers (NLCs) against SARS-CoV-2.
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Affiliation(s)
| | | | | | - Likitha P
- A.U College of Pharmaceutical Sciences, Andhra University, Visakhapatnam, Andhra Pradesh, India
| | | | - Esub Basha S K
- Crystal Growth and Nano-Science Research Center, Government College(A), Rajahmundry, Andhra Pradesh, India.
| | - Ramachandra R K
- Crystal Growth and Nano-Science Research Center, Government College (A), Rajahmundry, Andhra Pradesh, India.
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Abbasi R, Abdi-Hachesoo B, Razavi SM, Namazi F, Nazifi S. In vitro and in vivo activity of cinnamaldehyde against Eimeria kofoidi in chukar partridge (Alectoris chukar). Exp Parasitol 2020; 218:107978. [PMID: 32853633 DOI: 10.1016/j.exppara.2020.107978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Revised: 07/24/2020] [Accepted: 08/19/2020] [Indexed: 10/23/2022]
Abstract
One hundred and twenty one-day-old chukar partridges were randomly divided into eight groups which received diets with different supplementations. There were four unchallenged groups. One group received salinomycin (50 ppm), two groups received cinnamaldehyde (CINN) (100 and 200 mg/kg of diet), and another one received only the basal diet from the 1st to the 31st day. There were also four corresponding groups orally challenged by 3 × 105Eimeria kofoidi sporulated oocysts at the 21st day. Three samplings were done at the 24th, 26th, and 31st days of rearing for pathological and biochemical assessments. Fecal samples were daily taken to check the pattern of oocyst shedding from the 26th to 31st day. The body weight of birds was measured at 21st and 31st days. Along with the in vivo experiment, an in vitro sporulation inhibition test was carried out. The in vitro results showed that CINN decreased sporulation rate at 1 and 0.5 mg/ml. In vivo, it was found that CINN did not prevent the oocyst shedding. Furthermore, the histopathological findings revealed that CINN and salinomycin had no effect on infection establishment. However, our findings showed that CINN (200 mg/kg of diet) could enhance the body weight and improve antioxidant status. Although our results did not support the in vivo anticoccidial activity of CINN, it had a promising potential to improve antioxidant status and body weight in the chukar partridge.
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Affiliation(s)
- Reza Abbasi
- Department of Pathobiology, School of Veterinary Medicine, Shiraz University, Shiraz, Iran
| | - Bahman Abdi-Hachesoo
- Department of Clinical Science, School of Veterinary Medicine, Shiraz University, Shiraz, Iran.
| | - Seyed Mostafa Razavi
- Department of Pathobiology, School of Veterinary Medicine, Shiraz University, Shiraz, Iran
| | - Fatemeh Namazi
- Department of Pathobiology, School of Veterinary Medicine, Shiraz University, Shiraz, Iran
| | - Saeed Nazifi
- Department of Clinical Science, School of Veterinary Medicine, Shiraz University, Shiraz, Iran
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Ebokaiwe AP, Njoya EM, Sheng Y, Zhang Z, Li S, Zhou Z, Qiang Z, Peng T, Hussein AA, Zhang G, Lu X, Li L, Wang F. Salinomycin promotes T-cell proliferation by inhibiting the expression and enzymatic activity of immunosuppressive indoleamine-2,3-dioxygenase in human breast cancer cells. Toxicol Appl Pharmacol 2020; 404:115203. [PMID: 32822738 DOI: 10.1016/j.taap.2020.115203] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 08/13/2020] [Accepted: 08/15/2020] [Indexed: 01/25/2023]
Abstract
Indoleamine 2,3 dioxygenase (IDO) is upregulated in many tumor types, including breast cancer, and plays a reputable role in promoting tumor immune tolerance. The importance of the immunosuppressive mechanism of IDO by suppressing T-cell function has garnered profound interest in the development of clinical IDO inhibitors. Herein, we established a screening method with cervical HeLa cells to induce IDO expression using interferon-γ (IFN-γ). After screening our chemical library, we found that salinomycin potently inhibited IFN-γ-stimulated kynurenine synthesis with IC50 values of 3.36-4.66 μM in both human cervical and breast cancer cells. Salinomycin lowered the IDO1 and IDO2 expression with no impact on the expression of tryptophan-2,3-dioxygenase. Interestingly, salinomycin potently repressed the IDO1 enzymatic activity by directly targeting the proteins in cells. Molecular docking revealed an alignment that favors nucleophilic attack of salinomycin in the catalytic domain of IDO1. Activation of the Janus kinase/signal transducer and activator of transcription (JAK/STAT) pathway by IFN-γ was significantly suppressed by salinomycin, via inhibiting the Jak1, Jak2, and STAT1/3 phosphorylation. Moreover, it inhibited IFN-γ-induced activation of the nuclear factor (NF)-κB pathway by inhibiting IκB degradation and NF-κB phosphorylation without affecting BIN1 expression. Furthermore, salinomycin significantly restored the proliferation of T cells co-cultured with IFN-γ-treated breast cancer cells and potentiated antitumor activity of cisplatin in vivo. These findings suggest that salinomycin suppresses kynurenine synthesis by inhibiting the catalytic activity of IDO1 and its expression by inhibiting the JAK/STAT and NF-κB pathways. Salinomycin warrants further investigation as a novel dual-functional IDO inhibitor for cancer immunotherapy.
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Affiliation(s)
- Azubuike Peter Ebokaiwe
- Center for Natural Products Research, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China; Department of Chemistry/Biochemistry and Molecular Biology, Alex Ekwueme Federal University Ndufu Alike-, Ikwo, Nigeria
| | - Emmanuel Mfotie Njoya
- Center for Natural Products Research, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China; Department of Biochemistry, Faculty of Science, University of Yaoundé I, P.O Box 812, Yaoundé, Cameroon
| | - Yuwen Sheng
- Center for Natural Products Research, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
| | - Zhonghui Zhang
- College of Chemical Engineering, Sichuan University, Chengdu 610064, China
| | - Sheng Li
- Center for Natural Products Research, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
| | - Zongyuan Zhou
- Center for Natural Products Research, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
| | - Zhe Qiang
- Center for Natural Products Research, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
| | - Ting Peng
- Center for Natural Products Research, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
| | - Ahmed A Hussein
- Chemistry Department, Cape Peninsula University of Technology, Bellville Campus, Bellville 7537, Western Cape, South Africa
| | - Guolin Zhang
- Center for Natural Products Research, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
| | - Xiaoxia Lu
- Center for Natural Products Research, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
| | - Lin Li
- Department of Laboratory Medicine, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu 610072, China.
| | - Fei Wang
- Center for Natural Products Research, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China.
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Liénard R, Montesi M, Panseri S, Dozio SM, Vento F, Mineo PG, Piperno A, De Winter J, Coulembier O, Scala A. Design of naturally inspired jellyfish-shaped cyclopolylactides to manage osteosarcoma cancer stem cells fate. Mater Sci Eng C Mater Biol Appl 2020; 117:111291. [PMID: 32919652 DOI: 10.1016/j.msec.2020.111291] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 05/23/2020] [Accepted: 07/21/2020] [Indexed: 01/10/2023]
Abstract
We report the synthesis, characterization and biological profile of new bis-triazoled cyclopolylactides (c-PLA, c-PLA-FA, c-PLA-Rhod) obtained by an optimized combination of ROP and click chemistry reactions. Cyclo-PLA having a number average molecular weight of 6000 g mol-1 and a polydispersity index of 1.52 was synthetized by click ring-closure of well-defined α,ω-heterodifunctional linear precursors, followed by quaternarization of N3-triazole nodes, and subsequent CuAAC with azido-folate and azido-rhodamine yielding jellyfish-shaped c-PLA-FA and c-PLA-Rhod. Salinomycin (Sal) was loaded into jellyfish-shaped c-PLA-FA and c-PLA-Rhod nanoparticles (NPs) by nanoprecipitation, with a good encapsulation efficiency (79% and 84%, respectively) and loading content (7.1% and 7.6%, respectively). The biological studies focused on their antiproliferative effects on osteosarcoma bulk MG63 and cancer stem cells (CSCs). The cycloPLA-based NPs, with a size ranging between 125 and 385 nm, killed CSCs and MG63, with a higher efficacy on CSCs; they (unloaded or Sal-loaded) evoked on CSCs a cellular response similar to the payload, with a higher effect than the free Sal. Internalization studies indicated a fast cellular uptake (within 2 h) and sarcospheres remained fluorescent till 72 h. To the best of our knowledge, this is the first study reporting anti-CSCs properties of cycloPLA with jellyfish architecture and we believe could contribute to the development of effective strategies for osteosarcoma targeting.
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Affiliation(s)
- Romain Liénard
- Center of Innovation and Research in Materials and Polymers (CIRMAP), Laboratory of Polymeric and Composite Materials, University of Mons, Place du Parc 23, 7000 Mons, Belgium; Interdisciplinary Center for Mass Spectrometry (CISMa), Organic Synthesis and Mass Spectrometry Laboratory, University of Mons, Place du Parc 23, 7000 Mons, Belgium
| | - Monica Montesi
- CNR-ISTEC, Institute of Science and Technology for Ceramics, National Research Council of Italy, Via Granarolo 64, 48018 Faenza, RA, Italy
| | - Silvia Panseri
- CNR-ISTEC, Institute of Science and Technology for Ceramics, National Research Council of Italy, Via Granarolo 64, 48018 Faenza, RA, Italy
| | - Samuele Maria Dozio
- CNR-ISTEC, Institute of Science and Technology for Ceramics, National Research Council of Italy, Via Granarolo 64, 48018 Faenza, RA, Italy
| | - Fabiana Vento
- Department of Chemical Sciences, University of Catania, Viale A. Doria, 95125 Catania, Italy
| | - Placido G Mineo
- Department of Chemical Sciences, University of Catania, Viale A. Doria, 95125 Catania, Italy; CNR-IPCB Institute of Polymers, Composites and Biomaterials, Via P. Gaifami 18, I-95126 Catania, Italy
| | - Anna Piperno
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale F. Stagno d'Alcontres 31, 98166 Messina, Italy
| | - Julien De Winter
- Interdisciplinary Center for Mass Spectrometry (CISMa), Organic Synthesis and Mass Spectrometry Laboratory, University of Mons, Place du Parc 23, 7000 Mons, Belgium
| | - Olivier Coulembier
- Center of Innovation and Research in Materials and Polymers (CIRMAP), Laboratory of Polymeric and Composite Materials, University of Mons, Place du Parc 23, 7000 Mons, Belgium
| | - Angela Scala
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale F. Stagno d'Alcontres 31, 98166 Messina, Italy.
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Shanmugasundaram R, Markazi A, Mortada M, Ng TT, Applegate TJ, Bielke LR, Syed B, Pender CM, Curry S, Murugesan GR, Selvaraj RK. Research Note: Effect of synbiotic supplementation on caecal Clostridium perfringens load in broiler chickens with different necrotic enteritis challenge models. Poult Sci 2020; 99:2452-2458. [PMID: 32359580 PMCID: PMC7597401 DOI: 10.1016/j.psj.2019.10.081] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 10/29/2019] [Accepted: 10/29/2019] [Indexed: 12/11/2022] Open
Abstract
Studies were conducted to determine the efficacy of synbiotic applications to combat the negative effects of necrotic enteritis (NE). An in vitro study was conducted to test the effect of probiotics species supernatants to decrease Clostridium perfringens (CP) proliferation. Lactobacillus reuteri, Enterococcus faecium, Bifidobacterium animalis, and Pediococcus acidilactici culture supernatants decreased the proliferation of CP at 1:1 supernatant-to-pathogen dilution in vitro. Two in vivo studies were conducted to determine the in vivo response of synbiotic supplementation containing the aforementioned probiotic strains on broiler production performance and caecal CP load in broilers induced with NE infection. In experiment 1, 75 broiler chicks were randomly allotted to 3 treatment groups, control (basal diet), ionophore (Salinomycin), and synbiotic (PoultryStar me), from day of hatch, and NE was induced in all birds. There were no significant treatment effects on BW, feed consumption, and feed gain ratio. However, at 35 D, ionophore or synbiotic supplementation increased (P < 0.05) villi height and decreased interleukin (IL)-1 mRNA abundance, while synbiotic supplementation increased (P < 0.05) IL-10 mRNA abundance compared with the control group, respectively. In experiment 2, 360 broiler chicks were randomly allotted to 3 treatments, an unchallenged negative control (control; basal diet), challenged positive control (NE; basal diet), or NE + synbiotic group (synbiotic). At both 21 and 42 D of age, NE birds had decreased (P < 0.05) BW, feed conversion, and jejunal villi height compared with control, while NE + synbiotic birds were not different from control groups. At 42 D of age, NE birds had 2.2 log/g increased CP in the ceca contents compared with control, while synbiotic birds had CP load that was not different than that of the control group. NE + synbiotic birds had significantly greater amounts of bile anti-CP IgA than the control and NE groups. It can be concluded that synbiotic supplementation decreased CP proliferation in vitro and caecal CP load in vivo while improving production parameters during an NE infection in broilers.
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Affiliation(s)
- R Shanmugasundaram
- Department of Animal Sciences, Ohio Agricultural Research and Development Center, The Ohio State University, Wooster 44691, USA; Department of Poultry Sciences, University of Georgia, Athens 30602, USA
| | - A Markazi
- Department of Animal Sciences, Ohio Agricultural Research and Development Center, The Ohio State University, Wooster 44691, USA
| | - M Mortada
- Department of Poultry Sciences, University of Georgia, Athens 30602, USA
| | - T T Ng
- Department of Poultry Sciences, University of Georgia, Athens 30602, USA
| | - T J Applegate
- Department of Poultry Sciences, University of Georgia, Athens 30602, USA
| | - L R Bielke
- Department of Animal Sciences, Ohio Agricultural Research and Development Center, The Ohio State University, Wooster 44691, USA
| | - B Syed
- BIOMIN Holding GmbH, Getzersdorf 3131, Austria
| | - C M Pender
- BIOMIN America Inc., Overland Park 66210, KS, USA
| | - S Curry
- BIOMIN America Inc., Overland Park 66210, KS, USA
| | | | - R K Selvaraj
- Department of Poultry Sciences, University of Georgia, Athens 30602, USA.
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Yusenko MV, Trentmann A, Andersson MK, Ghani LA, Jakobs A, Arteaga Paz MF, Mikesch JH, Peter von Kries J, Stenman G, Klempnauer KH. Monensin, a novel potent MYB inhibitor, suppresses proliferation of acute myeloid leukemia and adenoid cystic carcinoma cells. Cancer Lett 2020; 479:61-70. [PMID: 32014461 DOI: 10.1016/j.canlet.2020.01.039] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 01/24/2020] [Accepted: 01/29/2020] [Indexed: 02/06/2023]
Abstract
The master transcriptional regulator MYB is a key oncogenic driver in several human neoplasms, particularly in acute myeloid leukemia (AML) and adenoid cystic carcinoma (ACC). MYB is therefore an attractive target for drug development in MYB-activated malignancies. Here, we employed a MYB-reporter cell line and identified the polyether ionophores monensin, salinomycin, and nigericin as novel inhibitors of MYB activity. As a proof of principle, we show that monensin affects the expression of a significant number of MYB-regulated genes in AML cells and causes down-regulation of MYB expression, loss of cell viability, and induction of differentiation and apoptosis. Furthermore, monensin significantly inhibits proliferation of primary murine AML cells but not of normal hematopoietic progenitors, reflecting a high MYB-dependence of leukemic cells and underscoring the efficacy of monensin in MYB-activated malignancies. Importantly, monensin also suppressed the viability and non-adherent growth of adenoid cystic carcinoma (ACC) cells expressing MYB-NFIB fusion oncoproteins. Our data show that a single compound with significant MYB-inhibitory activity is effective against malignant cells from two distinct MYB-driven human neoplasms. Hence, monensin and related compounds are promising molecular scaffolds for development of novel MYB inhibitors.
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Skeberdytė A, Sarapinienė I, Krasko JA, Barakauskienė A, Žilionytė K, Prokarenkaitė R, Sužiedėlis K, Bukelskienė V, Jarmalaitė S. Salinomycin and dichloroacetate synergistically inhibit Lewis lung carcinoma cell proliferation, tumor growth and metastasis. Biochem Biophys Res Commun 2020; 523:874-879. [PMID: 31955885 DOI: 10.1016/j.bbrc.2019.12.107] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Accepted: 12/21/2019] [Indexed: 12/27/2022]
Abstract
Drug combination is considered to be the cornerstone of cancer treatment. Simultaneous administration of two or more drugs but at lower doses not only increases cytotoxic effects on tumor cells, but also reduces side effects and possibly overcomes drug resistance. Salinomycin is a well-known cancer stem cell killer, and dichloroacetate is a pyruvate dehydrogenase kinase inhibitor that exclusively targets cells with altered mitochondrial activity, a characteristic being common to most of the cancer cells. In our recent study, we have demonstrated that salinomycin exerted a cytotoxic effect on colorectal carcinoma cells in the 2D and 3D cultures and provided evidence that the mechanism of their synergy was mediated by dichloroacetate-dependent inhibition of the activity of multidrug resistance proteins. In the current work, we confirmed the synergistic cytotoxic properties of salinomycin and dichloroacetate in the 2D and 3D cultures of Lewis lung carcinoma (LLC1) cells. To verify if a synergistic effect of these compounds persisted in vivo, we performed series of experiments using a syngeneic LLC1-C57BL/6 mouse model and demonstrated that combination therapy with salinomycin and DCA increased the survival rate of allografted mice, inhibited metastatic site formation and reduced the populations of cancer stem cells as well as cells that underwent the epithelial-to-mesenchymal transition. Our results demonstrate that a synergistic effect of salinomycin and dichloroacetate exists not only in vitro but also in vivo and suggest their benefits in the treatment of metastatic cancers.
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Affiliation(s)
- Aistė Skeberdytė
- Institute of Biosciences, Life Sciences Center, Vilnius University, Saulėtekio al. 7, LT-10222, Vilnius, Lithuania.
| | - Ieva Sarapinienė
- Institute of Cardiology, Lithuanian University of Health Sciences, Sukilėlių pr. 15, LT-50162, Kaunas, Lithuania
| | | | | | - Karolina Žilionytė
- National Cancer Institute, Santariškių g. 1, LT-08660, Vilnius, Lithuania
| | | | | | - Virginija Bukelskienė
- Institute of Biochemistry, Life Sciences Center, Vilnius University, Saulėtekio al. 7, LT-10223, Vilnius, Lithuania
| | - Sonata Jarmalaitė
- National Cancer Institute, Santariškių g. 1, LT-08660, Vilnius, Lithuania
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Zhou J, Liu S, Wang Y, Dai W, Zou H, Wang S, Zhang J, Pan J. Salinomycin effectively eliminates cancer stem-like cells and obviates hepatic metastasis in uveal melanoma. Mol Cancer 2019; 18:159. [PMID: 31718679 PMCID: PMC6852970 DOI: 10.1186/s12943-019-1068-1] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Accepted: 09/06/2019] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Uveal melanoma (UM) is the most common primary intraocular tumor. Hepatic metastasis is the major and direct death-related reason in UM patients. Given that cancer stem-like cells (CSCs) are roots of metastasis, targeting CSCs may be a promising strategy to overcome hepatic metastasis in UM. Salinomycin, which has been identified as a selective inhibitor of CSCs in multiple types of cancer, may be an attractive agent against CSCs thereby restrain hepatic metastasis in UM. The objective of the study is to explore the antitumor activity of salinomycin against UM and clarify its underlying mechanism. METHODS UM cells were treated with salinomycin, and its effects on cell proliferation, apoptosis, migration, invasion, CSCs population, and the related signal transduction pathways were determined. The in vivo antitumor activity of salinomycin was evaluated in the NOD/SCID UM xenograft model and intrasplenic transplantation liver metastasis mouse model. RESULTS We found that salinomycin remarkably obviated growth and survival in UM cell lines and in a UM xenograft mouse model. Meanwhile, salinomycin significantly eliminated CSCs and efficiently hampered hepatic metastasis in UM liver metastasis mouse model. Mechanistically, Twist1 was fundamental for the salinomycin-enabled CSCs elimination and migration/invasion blockage in UM cells. CONCLUSIONS Our findings suggest that targeting UM CSCs by salinomycin is a promising therapeutic strategy to hamper hepatic metastasis in UM. These results provide the first pre-clinical evidence for further testing of salinomycin for its antitumor efficacy in UM patients with hepatic metastasis.
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Affiliation(s)
- Jingfeng Zhou
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, 54 South Xianlie Road, Guangzhou, 510060, People's Republic of China
| | - Shenglan Liu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, 54 South Xianlie Road, Guangzhou, 510060, People's Republic of China
| | - Yun Wang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, 54 South Xianlie Road, Guangzhou, 510060, People's Republic of China
| | - Wei Dai
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, 54 South Xianlie Road, Guangzhou, 510060, People's Republic of China
| | - Hailin Zou
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, 54 South Xianlie Road, Guangzhou, 510060, People's Republic of China
| | - Shubo Wang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, 54 South Xianlie Road, Guangzhou, 510060, People's Republic of China
| | - Jing Zhang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, 54 South Xianlie Road, Guangzhou, 510060, People's Republic of China
| | - Jingxuan Pan
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, 54 South Xianlie Road, Guangzhou, 510060, People's Republic of China.
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Kamenova K, Gluhcheva Y, Dorkov P, Ivanova J. Comparative assessment of the effects of meso-2,3-dimercaptosuccinic acid and salinomycin on spleen function of cadmium-exposed mice. Environ Sci Pollut Res Int 2019; 26:33304-33310. [PMID: 31520384 DOI: 10.1007/s11356-019-06473-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Accepted: 09/09/2019] [Indexed: 06/10/2023]
Abstract
In this study, we present experimental data on the effects of meso-2,3-dimercaptosuccinic acid (DMSA) and tetraethylammonium salt of salinomycinic acid (Sal) on cadmium-induced spleen dysfunction and altered essential metal balance in mice. Sixty-day-old male mice (ICR line) were randomly divided into four groups: untreated control group (Ctrl)-obtained distilled water for 28 days, toxic control group (Cd)-exposed to cadmium acetate dihydrate at average daily dose of 20mg/kg body weight (BW) for 14 days, Cd + DMSA group-obtained cadmium acetate dihydrate as the toxic control group followed by treatment with 20mg/kg BW DMSA for 2 weeks, and Cd + Sal group-mice exposed to cadmium acetate dihydrate at average daily dose of 20mg/kg BW for 2 weeks followed by administration of Sal at an average daily dose of 20mg/kg BW for 2 weeks. The compounds were administered orally via the drinking water of the animals. We found that cadmium exposure caused splenomegaly and reduced the hemoglobin and hematocrit levels and total red blood cell count compared with untreated controls. Cadmium intoxication of mice induced accumulation of the toxic metal ion in the blood and spleen. Alterations in the endogenous levels of calcium (Ca) and iron (Fe) in the spleen of cadmium-exposed mice compared with those in untreated controls were observed. Treatment of cadmium-exposed mice with DMSA or Sal recovered the spleen weight and hematological parameters to normal control values, decreased cadmium concentration in the blood and spleen, and improved splenic architecture. The results prove that Sal is a potential antidote for treatment of Cd-induced spleen dysfunction.
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Affiliation(s)
- Kalina Kamenova
- Faculty of Chemistry and Pharmacy, Sofia University "St. Kliment Ohridski", 1 J. Bourchier blvd, 1164, Sofia, Bulgaria
| | - Yordanka Gluhcheva
- Institute of Experimental Morphology, Pathology and Anthropology with Museum - BAS, Acad. Georgi Bonchev Str., bl.25, 1113, Sofia, Bulgaria
| | - Petar Dorkov
- Chemistry Department, R&D, BIOVET JSC, 39 Peter Rakov Str, 4550, Peshtera, Bulgaria
| | - Juliana Ivanova
- Faculty of Medicine, Sofia University "St. Kliment Ohridski", 1 Kozjak Street, 1407, Sofia, Bulgaria.
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Hochmair M, Rath B, Klameth L, Ulsperger E, Weinlinger C, Fazekas A, Plangger A, Zeillinger R, Hamilton G. Effects of salinomycin and niclosamide on small cell lung cancer and small cell lung cancer circulating tumor cell lines. Invest New Drugs 2019; 38:946-955. [PMID: 31446534 PMCID: PMC7340652 DOI: 10.1007/s10637-019-00847-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Accepted: 08/12/2019] [Indexed: 02/07/2023]
Abstract
Tumor dissemination and recurrence is attributed to highly resistant cancer stem cells (CSCs) which may constitute a fraction of circulating tumor cells (CTCs). Small cell lung cancer (SCLC) constitutes a suitable model to investigate the relation of CTCs and CSCs due to rapid tumor spread and a high number of CTCs. Expansion of five SCLC CTC lines (BHGc7, 10, 16, 26 and UHGc5) in vitro at our institution allowed for the analysis of CSC markers and cytotoxicity of the CSC-selective drugs salinomycin and niclosamide against CTC single cell suspensions or CTC spheroids/ tumorospheres (TOS). Salinomycin exerted dose-dependent cytotoxicity against the SCLC lines but, with exception of BHGc7 TOS, there was no markedly enhanced activity against TOS. Similarly, niclosamide exhibits high activity against BHGc7 TOS and UHGc5 TOS but not against the other CTC spheroids. High expression of the CSC marker CD133 was restricted to three SCLC tumor lines and the BHGc10 CTC line. All SCLC CTCs are CD24-positive but lack expression of CD44 and ABCG2 in contrast to the SCLC tumor lines which show a phenotype more similar to that of CSCs. The stem cell marker SOX2 was found in all CTC lines and SCLC GLC14/16, whereas elevated expression of Oct-3/4 and Nanog was restricted to BHGc26 and UHGc5. In conclusion, the SCLC CTCs established from patients with relapsed disease lack a typical CSC phenotype in respect to chemosensitivity to CSC-selective drugs, surface markers, expression of pluripotent stem cell and transcription factors.
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Affiliation(s)
- Maximilian Hochmair
- Respiratory Oncology Unit, Otto Wagner Hospital, Baumgartner Höhe, Vienna, Austria
| | - Barbara Rath
- Department of Surgery, Medical University of Vienna, Spitalgasse, Vienna, Austria
| | - Lukas Klameth
- Department of Pathophysiology and Allergy Research, Medical University of Vienna, Vienna, Austria
| | | | - Christoph Weinlinger
- Respiratory Oncology Unit, Otto Wagner Hospital, Baumgartner Höhe, Vienna, Austria
| | - Andreas Fazekas
- Respiratory Oncology Unit, Otto Wagner Hospital, Baumgartner Höhe, Vienna, Austria
| | - Adelina Plangger
- Department of Surgery, Medical University of Vienna, Spitalgasse, Vienna, Austria
| | - Robert Zeillinger
- Department of Gynecology and Obstetrics, Molecular Oncology Group, Medical University of Vienna, Vienna, Austria
| | - Gerhard Hamilton
- Department of Surgery, Medical University of Vienna, Spitalgasse, Vienna, Austria.
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Hori A, Shimoda M, Naoi Y, Kagara N, Tanei T, Miyake T, Shimazu K, Kim SJ, Noguchi S. Vasculogenic mimicry is associated with trastuzumab resistance of HER2-positive breast cancer. Breast Cancer Res 2019; 21:88. [PMID: 31387614 PMCID: PMC6683360 DOI: 10.1186/s13058-019-1167-3] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Accepted: 07/12/2019] [Indexed: 02/06/2023] Open
Abstract
Background Trastuzumab is a drug that targets the receptor tyrosine kinase HER2 and is essential for the treatment of HER2-positive breast cancer. Resistance to the drug leads to severe consequences, including disease recurrence, tumor enlargement, and metastasis. We hypothesized that trastuzumab treatment might be associated with phenotypic switching in HER2-positive breast cancer cells (BCCs), enabling them to escape and survive the effect of trastuzumab. Methods We conducted comprehensive immunophenotyping to detect phenotypic changes in HER2-positive BCCs treated with trastuzumab, based on criteria determined a priori. Based on immunophenotyping results, we characterized the vascular phenotypes of HER2-positive BCCs by western blotting, real-time RT-PCR, and tube formation assay. The vascular phenotype of tumor cells from clinical samples was evaluated by staining with periodic acid-Schiff and an anti-CD31 antibody. We explored small molecule inhibitors that suppress tube formation and determined the inhibitory mechanism. Results Out of 242 cell surface antigens, 9 antigens were significantly upregulated and 3 were significantly downregulated by trastuzumab treatment. All upregulated antigens were related to endothelial and stem cell phenotypes, suggesting that trastuzumab treatment might be correlated to switching to a vascular phenotype, namely, vasculogenic mimicry (VM). Several VM markers were upregulated in trastuzumab-treated cells, but these cells did not form tubes on Matrigel, a functional hallmark of VM. Upon analysis of three trastuzumab-resistant HER2-positive cell lines, we found that all three cell lines showed tube formation on Matrigel in the presence of angiogenic growth factors including EGF, FGF2, IGF1, or VEGF. Clinically, VM channels significantly increased in surviving cancer cell clusters of surgically removed tumors pretreated with trastuzumab and chemotherapy compared to both surgically removed tumors without prior systemic treatment and tumors biopsied before presurgical treatment with trastuzumab. Finally, we found that salinomycin completely suppressed VM in all three trastuzumab-resistant cell lines through disruption of actin cytoskeletal integrity. Conclusions VM promotes metastasis and worsens patient outcomes. The present study indicates that HER2-positive BCCs can exhibit VM in an angiogenic microenvironment after eventually acquiring trastuzumab resistance. The clinical finding supports this in vitro observation. Thus, targeting VM might provide a therapeutic benefit to patients with HER2-positive breast cancer. Electronic supplementary material The online version of this article (10.1186/s13058-019-1167-3) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Ami Hori
- Department of Breast and Endocrine Surgery, Osaka University Graduate School of Medicine, 2-2-E10 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Masafumi Shimoda
- Department of Breast and Endocrine Surgery, Osaka University Graduate School of Medicine, 2-2-E10 Yamadaoka, Suita, Osaka, 565-0871, Japan.
| | - Yasuto Naoi
- Department of Breast and Endocrine Surgery, Osaka University Graduate School of Medicine, 2-2-E10 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Naofumi Kagara
- Department of Breast and Endocrine Surgery, Osaka University Graduate School of Medicine, 2-2-E10 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Tomonori Tanei
- Department of Breast and Endocrine Surgery, Osaka University Graduate School of Medicine, 2-2-E10 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Tomohiro Miyake
- Department of Breast and Endocrine Surgery, Osaka University Graduate School of Medicine, 2-2-E10 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Kenzo Shimazu
- Department of Breast and Endocrine Surgery, Osaka University Graduate School of Medicine, 2-2-E10 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Seung Jin Kim
- Department of Breast and Endocrine Surgery, Osaka University Graduate School of Medicine, 2-2-E10 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Shinzaburo Noguchi
- Department of Breast and Endocrine Surgery, Osaka University Graduate School of Medicine, 2-2-E10 Yamadaoka, Suita, Osaka, 565-0871, Japan
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Tyagi M, Patro BS. Salinomycin reduces growth, proliferation and metastasis of cisplatin resistant breast cancer cells via NF-kB deregulation. Toxicol In Vitro 2019; 60:125-133. [PMID: 31077746 DOI: 10.1016/j.tiv.2019.05.004] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 05/07/2019] [Accepted: 05/07/2019] [Indexed: 02/06/2023]
Abstract
Cisplatin (cis-diamminedichloro-platinum, CDDP), is a widely used platinum compound for various solid tumors including breast cancer as first line of therapy. However, its positive effects are limited due to acquired drug resistance and severe side effects in non-malignant tissue, especially due to dose-dependent nephro- and/or neuro-toxicity. Salinomycin is an antibiotic with coccidiostat effect and has shown anticancer efficacy against various cancer cells with selectivity in targeting cancer stem cells. In the present study, anticancer efficacy and mechanism of action of salinomycin in CDDP-resistant human breast cancer (MCF7DDP) cells has been examined. Initially, we generated CDDP-resistant cells by a new protocol followed by checking the anticancer efficacy of salinomycin through MTT, clonogenic, annexin-V/PI and sub-G1 assay. Our results demonstrated that salinomycin diminished both cell proliferation and metastatic migration of MCF7DDP cells. Salinomycin also induced mitochondrial dysfunction in CDDP-resistant breast cancer cells. The analysis of nuclear translocation of pro-survival transcription factors by western blotting showed a distinct role of p65 (NF-κB) in CDDP-mediated resistance in breast cancer. Salinomycin abrogated nuclear translocation of NF-κB proteins and also caused a concurrent reduction in NF-κB regulated expression of pro-survival proteins e.g., survivin, XIAP and BCL-2 in CDDP-resistant cells. These results suggest that a follow up treatment of salinomycin may be promising strategy against CDDP resistant breast cancer cells and metastasis and help in reducing CDDP-induced side effects.
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Affiliation(s)
- Mrityunjay Tyagi
- Bio-Organic Division, Bhabha Atomic Research Centre, Mumbai 400085, India
| | - Birija Sankar Patro
- Bio-Organic Division, Bhabha Atomic Research Centre, Mumbai 400085, India; Homi Bhabha National Institute, Training School Complex, Anushakti Nagar, Mumbai 400094, India.
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50
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Zhang Y, Li F, Liu L, Jiang H, Hu H, Du X, Ge X, Cao J, Wang Y. Salinomycin triggers endoplasmic reticulum stress through ATP2A3 upregulation in PC-3 cells. BMC Cancer 2019; 19:381. [PMID: 31023247 PMCID: PMC6482559 DOI: 10.1186/s12885-019-5590-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Accepted: 04/09/2019] [Indexed: 02/06/2023] Open
Abstract
Background Salinomycin is a monocarboxylic polyether antibiotic and is a potential chemotherapy drug. Our previous studies showed that salinomycin inhibited cell growth and targeted CSCs in prostate cancer. However, the precise target of salinomycin action is unclear. Methods In this work, we analyzed and identified differentially expressed genes (DEGs) after treatment with or without salinomycin using a gene expression microarray in vitro (PC-3 cells) and in vivo (NOD/SCID mice xenograft model generated from implanted PC-3 cells). Western blotting and immunohistochemical staining were used to analyze the expression of ATP2A3 and endoplasmic reticulum (ER) stress biomarkers. Flow cytometry was used to analyze the cell cycle, apoptosis and intracellular Ca2+ concentration. Results A significantly upregulated gene, ATPase sarcoplasmatic/endoplasmatic reticulum Ca2+ transporting 3 (ATP2A3), was successfully identified. In subsequent studies, we found that ATP2A3 overexpression could trigger ER stress and exert anti-cancer effects in PC-3 and DU145 cells. ATP2A3 was slightly expressed, but the ER stress biomarkers showed strong staining in prostate cancer tissues. We also found that salinomycin could trigger ER stress, which might be related to ATP2A3-mediated Ca2+ release in PC-3 cells. Furthermore, we found that salinomycin-triggered ER stress could promote apoptosis and thus exert anti-cancer effects in prostate cancer cells. Conclusion This study demonstrates that ATP2A3 might be one of the potential targets for salinomycin, which can inhibit Ca2+ release and trigger ER stress to exert anti-cancer effects.
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Affiliation(s)
- Yunsheng Zhang
- Clinical Research Institute, The Second Affiliated Hospital, University of South China; Clinical Research Center For Breast & Thyroid Disease Prevention In Hunan Province, Hengyang, 421001, People's Republic of China
| | - Fang Li
- College of Nursing, Hunan Polytechnic of Environment and Biology, Hengyang, 421005, People's Republic of China
| | - Luogen Liu
- Clinical Research Institute, The Second Affiliated Hospital, University of South China, Hengyang, 421001, People's Republic of China
| | - Hongtao Jiang
- Department of Urology, The Second Hospital, University of South China, Hengyang, 421001, People's Republic of China
| | - Hua Hu
- Cancer Research Institute, The Second Hospital, University of South China, Hengyang, 421001, People's Republic of China
| | - Xiaobo Du
- Department of Urology, The First People's Hospital Yueyang, Yueyang, 414000, People's Republic of China
| | - Xin Ge
- Clinical Research Institute, The Second Affiliated Hospital, University of South China, Hengyang, 421001, People's Republic of China
| | - Jingsong Cao
- Medical College, Hunan Provincial Key Laboratory for Special Pathogens Prevention and Control, University of South China, Hengyang, 421001, People's Republic of China
| | - Yi Wang
- Department of Urology, The Second Affiliated Hospital of Hainan Medical University, Haikou 570102; Clinical Research Institute, The Second Affiliated Hospital, University of South China, Hengyang, 421001, People's Republic of China.
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