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Osanloo M, Ranjbar R, Zarenezhad E. Alginate Nanoparticles Containing Cuminum cyminum and Zataria multiflora Essential Oils with Promising Anticancer and Antibacterial Effects. Int J Biomater 2024; 2024:5556838. [PMID: 38725434 PMCID: PMC11081758 DOI: 10.1155/2024/5556838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Revised: 04/15/2024] [Accepted: 04/23/2024] [Indexed: 05/12/2024] Open
Abstract
Cancer and bacterial infections are major global health concerns driving the need for innovative medicines. This study investigated alginate nanoparticles loaded with essential oils (EOs) from Cuminum cyminum and Zataria multiflora as potential drug delivery systems. The nanoparticles were comprehensively characterized using techniques such as gas chromatography-mass spectrometry (GC-MS), dynamic light scattering (DLS), zetasizer, attenuated total reflectance-Fourier transform infrared spectroscopy (ATR-FTIR), and ultraviolet-visible spectroscopy (UV-Vis). Their biological properties against two human skin cancer cell lines (A-375 and A-431) and three bacteria (Escherichia coli, Pseudomonas aeruginosa, and Staphylococcus aureus) were also evaluated. Alginate nanoparticles containing C. cyminum and Z. multiflora EOs exhibited sizes of 160 ± 8 nm and 151 ± 10 nm, respectively. Their zeta potentials and encapsulation efficiencies were -18 ± 1 mV and 79 ± 4%, as well as -27 ± 2 mV and 86 ± 5%, respectively. The IC50 values against the tested cell lines and bacteria revealed superior efficacy for nanoparticles containing Z. multiflora EO. Considering the proper efficacy of the proposed nanoparticles, the straightforward preparation method and low cost suggest their potential for further in vivo studies.
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Affiliation(s)
- Mahmoud Osanloo
- Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Fasa University of Medical Sciences, Fasa, Iran
| | - Razieh Ranjbar
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Fasa University of Medical Sciences, Fasa, Iran
| | - Elham Zarenezhad
- Noncommunicable Disease Research Center, Fasa University of Medical Sciences, Fasa, Iran
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Jo MH, Kim YT, Park SJ. Dieckol Inhibits Autophagic Flux and Induces Apoptotic Cell Death in A375 Human Melanoma Cells via Lysosomal Dysfunction and Mitochondrial Membrane Impairment. Int J Mol Sci 2022; 23:ijms232214149. [PMID: 36430634 PMCID: PMC9696613 DOI: 10.3390/ijms232214149] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 11/11/2022] [Accepted: 11/14/2022] [Indexed: 11/19/2022] Open
Abstract
Dieckol is a natural brown algal-derived polyphenol and its cytotoxic potential against various types of cancer cells has been studied. However, the effects of dieckol on autophagy in cancer cells remain unknown. Here, we show that dieckol inhibits the growth of A375 human melanoma cells by inducing apoptotic cell death, which is associated with lysosomal dysfunction and the inhibition of autophagic flux. Dieckol induces autophagosome accumulation by inhibiting autophagosome-lysosome fusion. Moreover, dieckol not only triggers lysosomal membrane permeabilization, followed by an increase in lysosomal pH and the inactivation of cathepsin B and D, but also causes the loss of mitochondrial membrane potential. Importantly, a cathepsin D inhibitor partially relieved dieckol-induced mitochondrial membrane impairment and caspase-mediated apoptosis. Collectively, our findings indicate that dieckol is a novel autophagy inhibitor that induces apoptosis-mediated cell death via lysosomal dysfunction and mitochondrial membrane impairment in A375 human melanoma cells. This suggests the novel potential value of dieckol as a chemotherapeutic drug candidate for melanoma treatment.
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Affiliation(s)
- Min-Hee Jo
- Department of Chemistry, Pukyong National University, Busan 48513, Republic of Korea
| | - Yong-Tae Kim
- Department of Food Science & Biotechnology, Kunsan National University, Gunsan 54150, Republic of Korea
- Correspondence: (Y.-T.K.); (S.J.P.)
| | - Sun Joo Park
- Department of Chemistry, Pukyong National University, Busan 48513, Republic of Korea
- Correspondence: (Y.-T.K.); (S.J.P.)
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Woo JS, Yoo ES, Kim SH, Lee JH, Han SH, Jung SH, Jung GH, Jung JY. Anticancer effects of oleanolic acid on human melanoma cells. Chem Biol Interact 2021; 347:109619. [PMID: 34364837 DOI: 10.1016/j.cbi.2021.109619] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 02/27/2021] [Accepted: 08/04/2021] [Indexed: 11/23/2022]
Abstract
Owing to the ineffectiveness of the currently used therapies against melanoma, there has been a shift in focus toward alternative therapies involving the use of natural compounds. This study assessed the anticancer effects of oleanolic acid (OA) and its ability to induce apoptosis in A375SM and A375P melanoma cells in vivo. Compared to the control group, viability of A375P and A375SM cells decreased following OA treatment. In OA-treated A375SM and A375P cells, 4',6-diamidino-2-phenylindole staining showed an increase in the apoptotic body, and flow cytometry revealed increased number of apoptotic cells compared to that in the control group. OA-treated A375SM cells exhibited an increased expression of the apoptotic proteins, cleaved poly (ADP-ribose) polymerase (PARP) and B-cell lymphoma (Bcl)-2-associated X protein (Bax) as well as decreased expression of the antiapoptotic protein Bcl-2 compared to that in the control group. In OA-treated A375P cells, expression patterns of cleaved PARP and Bcl-2 were similar to those in OA-treated A375SM cells; however, no difference was reported in the expression of Bax compared to that in the control group. Additionally, OA-treated melanoma cells showed decreased expression of phospho-nuclear factor-κB (p-NF-κB), phospho-inhibitor of nuclear factor-κBα (p-IκBα), and phospho-IκB kinase αβ than that in the control group. Moreover, immunohistochemistry showed a comparatively decreased level of p-NF-κB in the OA-treated group than that in the control group. Xenograft analysis confirmed the in vivo anticancer effects of OA against A375SM cells. Terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) assay revealed an increased number of TUNEL-positive cells in the OA-treated group compared to that in the control group. In conclusion, the study results suggest that OA induces apoptosis of A375SM and A375P cells in vitro and apoptosis of A375SM cells in vivo. Furthermore, the in vitro and in vivo anticancer effects were mediated by the NF-κB pathway.
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Affiliation(s)
- Joong-Seok Woo
- Department of Companion and Laboratory Animal Science, Kongju National University, Yesan, Chungcheongnam, 32439, Republic of Korea
| | - Eun-Seon Yoo
- Department of Companion and Laboratory Animal Science, Kongju National University, Yesan, Chungcheongnam, 32439, Republic of Korea
| | - Sung-Hyun Kim
- Department of Companion and Laboratory Animal Science, Kongju National University, Yesan, Chungcheongnam, 32439, Republic of Korea
| | - Jae-Han Lee
- Department of Companion and Laboratory Animal Science, Kongju National University, Yesan, Chungcheongnam, 32439, Republic of Korea
| | - So-Hee Han
- Department of Companion and Laboratory Animal Science, Kongju National University, Yesan, Chungcheongnam, 32439, Republic of Korea
| | - Soo-Hyun Jung
- Department of Companion and Laboratory Animal Science, Kongju National University, Yesan, Chungcheongnam, 32439, Republic of Korea
| | - Gi-Hwan Jung
- Department of Companion and Laboratory Animal Science, Kongju National University, Yesan, Chungcheongnam, 32439, Republic of Korea
| | - Ji-Youn Jung
- Department of Companion and Laboratory Animal Science, Kongju National University, Yesan, Chungcheongnam, 32439, Republic of Korea.
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E Lacerda RR, do Nascimento ES, de Lacerda JTJG, Pinto LDS, Rizzi C, Bezerra MM, Pinto IR, Filho SMP, Pinto VDPT, Filho GC, Gadelha CADA, Gadelha TS. Lectin from seeds of a Brazilian lima bean variety (Phaseolus lunatus L. var. cascavel) presents antioxidant, antitumour and gastroprotective activities. Int J Biol Macromol 2016; 95:1072-1081. [PMID: 27984144 DOI: 10.1016/j.ijbiomac.2016.10.097] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2016] [Revised: 09/28/2016] [Accepted: 10/27/2016] [Indexed: 12/29/2022]
Abstract
Lectins are proteins able to interact specifically and reversibly with carbohydrates. They are present in all living beings, particularly in legume seeds, which have many biological functions. The aim of this study was to isolate, characterize and verify antioxidant, anti-hemolytic, antitumor and gastroprotective activities in a lectin present in seeds of Phaseolus lunatus L. var. cascavel (PLUN). The isolation of lectin was performed by size exclusion chromatography on Sephadex G-100, which was isolated from a protein capable of agglutinating only human erythrocytes type A, being this the only inhibited haemagglutination n-acetyl-d-galactosamine. Its weight was estimated by PAGE is 128kDa. The lectin is thermostable up to 80°C and is active between pH 2-11. As 8M urea was able to denature the lectin. PLUN is a glycoprotein consisting of 2% carbohydrate and has antioxidant action with ascorbic acid equivalent antioxidant capacity (μMAA/g) of 418.20, 326 and 82.9 for total antioxidant activity, ABTS radical capture and capture of DPPH radical, respectively. The lectin has antitumor activity against melanoma derived cells at doses of 100 and 50mg/ml, reducing up to 83% tumor cells, and gastroprotective action, reducing up to 63% damaged area of the stomach induced by ethanol.
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Affiliation(s)
- Rodrigo Rodrigues E Lacerda
- Master by the Graduate Programme in Cellular and Molecular Biology at the Federal University of Paraíba (Universidade Federal da Paraíba), João Pessoa, Brazil.
| | | | | | | | - Caroline Rizzi
- Federal University of Pelotas (Universidade Federal de Pelotas), Pelotas, Brazil.
| | | | | | | | | | | | | | - Tatiane Santi Gadelha
- Federal University of Paraíba (Universidade Federal da Paraíba), João Pessoa, Brazil.
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Li W, Song L, Ritchie AM, Melton DW. Increased levels of DUSP6 phosphatase stimulate tumourigenesis in a molecularly distinct melanoma subtype. Pigment Cell Melanoma Res 2012; 25:188-99. [PMID: 22171919 DOI: 10.1111/j.1755-148x.2011.00949.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The mitogen-activated protein kinase (MAPK) pathway is important in melanoma. In this pathway, DUSP6 phosphatase negatively controls the activation of extracellular signal-regulated (ERK) kinase. Through comparison of melanoma signalling pathways between immortal mouse melanocytes and their tumourigenic derivatives, retrieved from mouse xenografts, we identified a molecularly distinct subtype of melanoma, characterized by reduced ERK activity and increased DUSP6 expression. Overexpression of DUSP6 enhanced anchorage-independent growth and invasive ability of immortal mouse melanocytes, suggesting that increased DUSP6 expression contributes to melanoma formation in the mouse xenografts. In contrast, reduced tumourigenicity was observed after DUSP6 overexpression in human melanoma cells. A minority of thick human primary melanomas had high DUSP6 expression and the same poor melanoma-specific survival as the majority of thick primaries with low DUSP6 levels. We have demonstrated that DUSP6 is important in melanoma and that it plays a different role in our distinct subtype of mouse melanoma compared with that in classic human melanoma.
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Affiliation(s)
- Weiling Li
- Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, UK
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Moore SR, Persons DL, Sosman JA, Bobadilla D, Bedell V, Smith DD, Wolman SR, Tuthill RJ, Moon J, Sondak VK, Slovak ML. Detection of copy number alterations in metastatic melanoma by a DNA fluorescence in situ hybridization probe panel and array comparative genomic hybridization: a southwest oncology group study (S9431). Clin Cancer Res 2008; 14:2927-35. [PMID: 18483359 DOI: 10.1158/1078-0432.ccr-07-4068] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE Gene copy number alteration (CNA) is common in malignant melanoma and is associated with tumor development and progression. The concordance between molecular cytogenetic techniques used to determine CNA has not been evaluated on a large set of loci in malignant melanoma. EXPERIMENTAL DESIGN A panel of 16 locus-specific fluorescence in situ hybridization (FISH) probes located on eight chromosomes was used to identify CNA in touch preparations of frozen tissue samples from 19 patients with metastatic melanoma (SWOG-9431). A subset (n = 11) was analyzed using bacterial artificial chromosome (BAC) array comparative genomic hybridization (aCGH) of DNA isolated directly from touch-preparation slides. RESULTS By FISH, most samples showed loss near or at WISP3/6p21, CCND3/6q22, and CDKN2A/9p21 (>75% of samples tested). More than one third of CDKN2A/9p21 losses were biallelic. Gains of NEDD9/6p24, MET/7q31, and MYC/8q24 were common (57%, 47%, and 41%, respectively) and CNA events involving 9p21/7p12.3 and MET were frequently coincident, suggesting gain of the whole chromosome 7. Changes were confirmed by aCGH, which also uncovered many discreet regions of change, larger than a single BAC. Overlapping segments observed in >45% of samples included many of the loci analyzed in the FISH study, in addition to other WNT pathway members, and genes associated with TP53 pathways and DNA damage response, repair, and stability. CONCLUSIONS This study outlines a set of CNAs at the gene and regional level, using FISH and aCGH, which may provide a benchmark for future studies and may be important in selection of individual therapy for patients with metastatic malignant melanoma.
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