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Tenebro CP, Marcial NBJM, Salcepuedes JJ, Torrecampo JC, Hernandez RD, Francisco JAP, Infante KMG, Belardo VJ, Paderes MC, Alvero RGY, Saludes JP, Dalisay DS. Visualization of renal rotenone accumulation after oral administration and in situ detection of kidney injury biomarkers via MALDI mass spectrometry imaging. Front Mol Biosci 2024; 11:1366278. [PMID: 39011141 PMCID: PMC11246995 DOI: 10.3389/fmolb.2024.1366278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Accepted: 06/04/2024] [Indexed: 07/17/2024] Open
Abstract
The examination of drug accumulation within complex biological systems offers valuable insights into the molecular aspects of drug metabolism and toxicity. Matrix-assisted laser desorption/ionization mass spectrometry imaging (MALDI MSI) is an innovative methodology that enables the spatial visualization and quantification of biomolecules as well as drug and its metabolites in complex biological system. Hence, this method provides valuable insights into the metabolic profile and any molecular changes that may occur as a result of drug treatment. The renal system is particularly vulnerable to adverse effects of drug-induced harm and toxicity. In this study, MALDI MSI was utilized to examine the spatial distribution of drug and renal metabolites within kidney tissues subsequent to a single oral dosage of the anticancer compound rotenone. The integration of ion mobility spectrometry with MALDI MSI enhanced the data acquisition and analysis, resulting to improved mass resolution. Subsequently, the MS/MS fragment ions of rotenone reference drug were detected and characterized using MALDI HDMS/MS imaging. Notably, drug accumulation was observed in the cortical region of the representative kidney tissue sections treated with rotenone. The histological examination of treated kidney tissues did not reveal any observable changes. Differential ion intensity of renal endogenous metabolites was observed between untreated and rotenone-treated tissues. In the context of treated kidney tissues, the ion intensity level of sphingomyelin (D18:1/16:0), a sphingolipid indicator of glomerular cell injury and renal damage, was found to be elevated significantly compared to untreated kidney tissues. Conversely, the ion intensities of choline, glycero-3-phosphocholine (GPC), inosine, and a lysophosphatidylcholine LysoPC(18:0) exhibited a significant decrease. The results of this study demonstrate the potential of MALDI MSI as a novel technique for investigating the in situ spatial distribution of drugs and renal endogenous molecules while preserving the anatomical integrity of the kidney tissue. This technique can be used to study drug-induced metabolism and toxicity in a dynamic manner.
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Affiliation(s)
- Chuckcris P Tenebro
- Center for Chemical Biology and Biotechnology, University of San Agustin, Iloilo City, Philippines
| | - Neaven Bon Joy M Marcial
- Center for Chemical Biology and Biotechnology, University of San Agustin, Iloilo City, Philippines
| | - Janine J Salcepuedes
- Center for Chemical Biology and Biotechnology, University of San Agustin, Iloilo City, Philippines
| | - Josie C Torrecampo
- Center for Chemical Biology and Biotechnology, University of San Agustin, Iloilo City, Philippines
| | - Rajelle D Hernandez
- Institute of Chemistry, University of the Philippines Diliman, Quezon City, Philippines
| | | | | | | | - Monissa C Paderes
- Institute of Chemistry, University of the Philippines Diliman, Quezon City, Philippines
| | | | - Jonel P Saludes
- Center for Natural Drug Discovery and Development, University of San Agustin, Iloilo City, Philippines
- Department of Chemistry, University of San Agustin, Iloilo City, Philippines
- Balik Scientist Program, Department of Science and Technology-Philippine Council for Health Research and Development, Taguig City, Philippines
| | - Doralyn S Dalisay
- Center for Chemical Biology and Biotechnology, University of San Agustin, Iloilo City, Philippines
- Balik Scientist Program, Department of Science and Technology-Philippine Council for Health Research and Development, Taguig City, Philippines
- Department of Biology, University of San Agustin, Iloilo City, Philippines
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2
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Wang J, Wu Y, Li H, Kang W, Li W, Fu S. Antitumor effects of polydopamine coated hydroxyapatite nanoparticles and its mechanism: Mitochondria-targeted ROS and calcium channels. BIOMATERIALS ADVANCES 2024; 161:213858. [PMID: 38692179 DOI: 10.1016/j.bioadv.2024.213858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 03/28/2024] [Accepted: 04/11/2024] [Indexed: 05/03/2024]
Abstract
Nano hydroxyapatite (nHA) has been acknowledged for its inhibition efficiency on tumor cells and its excellent biocompatibility for normal tissue and cells. However, the low inhibitory efficiency of tumor cells and the ambiguous inhibitory mechanism limited its further application. In this work, four kinds of nHA with different sizes was prepared, and the one with the highest inhibition efficiency on 4T1 cells was screened as a substrate for developing the nanoparticles coated with polydopamine (PDA) coating, which was named nHA-PDA. Both in vivo and in vitro experiments were employed, and the results showed significantly higher inhibitory activity against 4T1 cells and 4T1-bared tumors by nHA-PDA. Further investigation revealed that the oxidative stress induced by PDA results in a large Reactive Oxygen Species (ROS) accumulation, thus triggering the mitochondria-dependent apoptosis pathway ROS-JNK/MAPK and inducing the cascade reaction of inhibiting the anti-apoptosis protein-Bcl-2 expression and activating the expression of the critical genes in apoptosis signaling pathway (caspase 3 and caspase 9). Besides, the significant increase of intracellular [Ca2+] may also be an essential reason for the damage of mitochondria, eventually leading to apoptosis.
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Affiliation(s)
- Jing Wang
- School of Life Sciences, Northwestern Polytechnical University, Xi'an 710072, China.
| | - Yue Wu
- School of Life Sciences, Northwestern Polytechnical University, Xi'an 710072, China
| | - Huishan Li
- School of Life Sciences, Northwestern Polytechnical University, Xi'an 710072, China
| | - Wenjue Kang
- School of Life Sciences, Northwestern Polytechnical University, Xi'an 710072, China
| | - Wenhao Li
- School of Life Sciences, Northwestern Polytechnical University, Xi'an 710072, China
| | - Shijia Fu
- School of Life Sciences, Northwestern Polytechnical University, Xi'an 710072, China
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Wang L, Li C, Luo K. Biosynthesis and metabolic engineering of isoflavonoids in model plants and crops: a review. FRONTIERS IN PLANT SCIENCE 2024; 15:1384091. [PMID: 38984160 PMCID: PMC11231381 DOI: 10.3389/fpls.2024.1384091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Accepted: 06/10/2024] [Indexed: 07/11/2024]
Abstract
Isoflavonoids, the major secondary metabolites within the flavonoid biosynthetic pathway, play important roles in plant defense and exhibit free radical scavenging properties in mammals. Recent advancements in understanding the synthesis, transport, and regulation of isoflavonoids have identified their biosynthetic pathways as promising targets for metabolic engineering, offering potential benefits such as enhanced plant resistance, improved biomass, and restoration of soil fertility. This review provides an overview of recent breakthroughs in isoflavonoid biosynthesis, encompassing key enzymes in the biosynthetic pathway, transporters influencing their subcellular localization, molecular mechanisms regulating the metabolic pathway (including transcriptional and post-transcriptional regulation, as well as epigenetic modifications). Metabolic engineering strategies aimed at boosting isoflavonoid content in both leguminous and non-leguminous plants. Additionally, we discuss emerging technologies and resources for precise isoflavonoid regulation. This comprehensive review primarily focuses on model plants and crops, offering insights for more effective and sustainable metabolic engineering approaches to enhance nutritional quality and stress tolerance.
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Affiliation(s)
- Lijun Wang
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, China
| | - Chaofeng Li
- Maize Research Institute, Southwest University, Chongqing, China
- Engineering Research Center of South Upland Agriculture, Ministry of Education, Chongqing, China
| | - Keming Luo
- Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, Integrative Science Center of Germplasm Creation in Western China (Chongqing) Science City, School of Life Sciences, Southwest University, Chongqing, China
- Key Laboratory of Eco-environments of Three Gorges Reservoir Region, Ministry of Education, School of Life Sciences, Southwest University, Chongqing, China
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4
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Hong M, Wang J, Chen H, Qi J, Ji Q, Liu X, Yue Q, Li L, Cheng S. Synthesis and biological evaluation of folic acid-rotenol conjugate as a potent targeted anticancer prodrug. Eur J Pharmacol 2024; 970:176482. [PMID: 38452835 DOI: 10.1016/j.ejphar.2024.176482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 02/26/2024] [Accepted: 03/05/2024] [Indexed: 03/09/2024]
Abstract
Rotenone, a plant-based agricultural insecticide, has been shown to have anti-tumor activity through targeting mitochondrial complex I in cancer cells. However, off-target toxic side effect on nervous systems have greatly restricted the application of rotenone as anticancer drugs. Here, a folic acid-rotenol (FA-rotenol) conjugate was prepared by covalent coupling of the tumor-targeting ligand folic acid with rotenone derivative-rotenol to enhance its accumulation at tumor site. FA-rotenol conjugates present high in vitro cytotoxicties against several cell lines by inducing mitochondrial membrane potential depolarization and increasing the level of intracellular reactive oxygen species (ROS) to activate the mitochondrial pathway of apoptosis and enhance the G2/M cell cycle arrest. Because of the high affinity with over-expressed folate receptors, FA-rotenol conjugate demonstrated more effective in vivo therapeutic outcomes in 4T1 tumor-bearing mice than rotenone and rotenol. In addition, FA-rotenol conjugate can markedly inhibit the cell migration and invasion of HepG-2 cells. These studies confirm the feasibility of tumor-targeted ligand conjugated rotenone derivatives for targeted antitumor therapy; likewise, they lay the foundations for the development of other rotenol-conjugates with antitumor potential.
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Affiliation(s)
- Min Hong
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252059, China.
| | - Juan Wang
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252059, China
| | - Haobin Chen
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252059, China
| | - Jiayu Qi
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252059, China
| | - Qinghong Ji
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252059, China
| | - Xiaoyan Liu
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252059, China
| | - Qiaoli Yue
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252059, China
| | - Lei Li
- School of Physics Science and Information Technology, Liaocheng University, Liaocheng, 252059, China.
| | - Shuang Cheng
- School of Agricultural Science and Engineering, Liaocheng University, Liaocheng, 252059, China.
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Li K, Deng Z, Lei C, Ding X, Li J, Wang C. The Role of Oxidative Stress in Tumorigenesis and Progression. Cells 2024; 13:441. [PMID: 38474405 DOI: 10.3390/cells13050441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 02/20/2024] [Accepted: 02/29/2024] [Indexed: 03/14/2024] Open
Abstract
Oxidative stress refers to the imbalance between the production of reactive oxygen species (ROS) and the endogenous antioxidant defense system. Its involvement in cell senescence, apoptosis, and series diseases has been demonstrated. Advances in carcinogenic research have revealed oxidative stress as a pivotal pathophysiological pathway in tumorigenesis and to be involved in lung cancer, glioma, hepatocellular carcinoma, leukemia, and so on. This review combs the effects of oxidative stress on tumorigenesis on each phase and cell fate determination, and three features are discussed. Oxidative stress takes part in the processes ranging from tumorigenesis to tumor death via series pathways and processes like mitochondrial stress, endoplasmic reticulum stress, and ferroptosis. It can affect cell fate by engaging in the complex relationships between senescence, death, and cancer. The influence of oxidative stress on tumorigenesis and progression is a multi-stage interlaced process that includes two aspects of promotion and inhibition, with mitochondria as the core of regulation. A deeper and more comprehensive understanding of the effects of oxidative stress on tumorigenesis is conducive to exploring more tumor therapies.
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Affiliation(s)
- Kexin Li
- Laboratory of Reproductive Regulation & Breeding of Grassland Livestock, School of Life Science, Inner Mongolia University, 49 Xilingol South Road, Yu Quan District, Hohhot 010020, China
| | - Zhangyuzi Deng
- Laboratory of Reproductive Regulation & Breeding of Grassland Livestock, School of Life Science, Inner Mongolia University, 49 Xilingol South Road, Yu Quan District, Hohhot 010020, China
| | - Chunran Lei
- Laboratory of Reproductive Regulation & Breeding of Grassland Livestock, School of Life Science, Inner Mongolia University, 49 Xilingol South Road, Yu Quan District, Hohhot 010020, China
| | - Xiaoqing Ding
- Laboratory of Reproductive Regulation & Breeding of Grassland Livestock, School of Life Science, Inner Mongolia University, 49 Xilingol South Road, Yu Quan District, Hohhot 010020, China
| | - Jing Li
- Laboratory of Reproductive Regulation & Breeding of Grassland Livestock, School of Life Science, Inner Mongolia University, 49 Xilingol South Road, Yu Quan District, Hohhot 010020, China
| | - Changshan Wang
- Laboratory of Reproductive Regulation & Breeding of Grassland Livestock, School of Life Science, Inner Mongolia University, 49 Xilingol South Road, Yu Quan District, Hohhot 010020, China
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Liu Y, Sun J, Ran Y, Zheng L. Synthesis of cinnamoyl tethered indoline derivatives with anti-inflammatory and antioxidant activities. Eur J Med Chem 2024; 263:115936. [PMID: 37976711 DOI: 10.1016/j.ejmech.2023.115936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 11/01/2023] [Accepted: 11/03/2023] [Indexed: 11/19/2023]
Abstract
Aimed to improve the anti-inflammatory activities of natural antioxidant caffeic acid phenethyl ester, the thirty derivatives of cinnamoyl tethered indoline were synthesized. The structure-activity relationship indicated that the fragments of catechol and 5-Cl-indolinyl were beneficial for the higher dual-activities of antioxidant and anti-inflammation. The most potent compound 4b suppressed the secretions of inflammatory cytokines IL-6 and TNF-α, inhibited inducible nitric oxide synthase (iNOS) expression, upregulated the antioxidant gene HO-1 expression and antioxidant enzyme SOD level, and inhibited oxidative stress marker MDA level. Besides, 4b and its acetate prodrug 4'b could effectively attenuate paw edema more than CAPE. In regard to anti-inflammatory mechanism, 4b suppressed the NF-κB activation associated with phosphorylation of p65 subunit and degradation of IκBα. In summary, this study provided a new anti-inflammatory derivative 4b which was worthy of further research.
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Affiliation(s)
- Yongpeng Liu
- School of Pharmacy, Lanzhou University, Lanzhou, 730000, China
| | - Jing Sun
- School of Pharmacy, Lanzhou University, Lanzhou, 730000, China
| | - Yichuan Ran
- School of Pharmacy, Lanzhou University, Lanzhou, 730000, China
| | - Lifang Zheng
- School of Pharmacy, Lanzhou University, Lanzhou, 730000, China.
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7
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Kumar M, Gupta S, Kalia K, Kumar D. Role of Phytoconstituents in Cancer Treatment: A Review. RECENT ADVANCES IN FOOD, NUTRITION & AGRICULTURE 2024; 15:115-137. [PMID: 38369892 DOI: 10.2174/012772574x274566231220051254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 11/03/2023] [Accepted: 11/07/2023] [Indexed: 02/20/2024]
Abstract
Over the years, natural compounds have become a significant advancement in cancer treatment, primarily due to their effectiveness, safety, bio-functionality, and wide range of molecular structures. They are now increasingly preferred in drug discovery due to these attributes. These compounds, whether occurring naturally or with synthetic modifications, find applications in various fields like biology, medicine, and engineering. While chemotherapy has been a successful method for treating cancer, it comes with systemic toxicity. To address this issue, researchers and medical practitioners are exploring the concept of combinational chemotherapy. This approach aims to reduce toxicity by using a mix of natural substances and their derivatives in clinical trials and prescription medications. Among the most extensively studied natural anticancer compounds are quercetin, curcumin, vincristine, and vinblastine. These compounds play crucial roles as immunotherapeutics and chemosensitizers, both as standalone treatments and in combination therapies with specific mechanisms. This review article provides a concise overview of the functions, potentials, and combinations of natural anticancer compounds in cancer treatment, along with their mechanisms of action and clinical applications.
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Affiliation(s)
- Manish Kumar
- Department of Pharmacy, IEC College of Eng & Tech. Gautam Buddha Nagar, India
| | | | | | - Dharmendra Kumar
- Department of Pharmacy, IEC College of Eng & Tech. Gautam Buddha Nagar, India
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8
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Hernandez RD, Genio FAF, Casanova JR, Conato MT, Paderes MC. Antiproliferative Activities and SwissADME Predictions of Physicochemical Properties of Carbonyl Group-Modified Rotenone Analogues. ChemistryOpen 2024; 13:e202300087. [PMID: 37590423 PMCID: PMC10784630 DOI: 10.1002/open.202300087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 07/18/2023] [Indexed: 08/19/2023] Open
Abstract
Rotenone is a naturally occurring compound shown to exhibit antiproliferative activity against various cancer cell lines, indicating its potential as a lead anticancer agent. However, its toxicity against normal cells has prompted further investigation and chemical modifications. In this study, a library of carbonyl group-modified rotenone derivatives was synthesized and evaluated for their antiproliferative activities against MCF-7 breast cancer cells, A549 human lung carcinoma cells, and HCT116 human colorectal cancer cells using 3-(4, 5-dimethylthiazolyl-2)-2, 5-diphenyltetrazolium bromide (MTT) assay. The results showed several promising compounds that inhibited cell proliferation. Specifically, the oxime and alcohol rotenone derivatives exhibited antiproliferative activities against all 3 cancer cell lines, while the ethoxy, carbamate, and alkene derivatives are selective against MCF-7 (IC50 =5.72 μM), HCT116 (IC50 =8.86 μM), and A549 (IC50 =0.11 μM), respectively. SwissADME analysis showed that the physicochemical properties and drug-likeness of the synthesized rotenone derivatives were within the set limits, suggesting the favorable characteristics of these compounds for drug development. The findings obtained in this work highlight the potential of rotenone derivatives as promising chemotherapeutic candidates.
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Affiliation(s)
- Rajelle D. Hernandez
- Institute of ChemistryUniversity of the Philippines DilimanQuezon CityPhilippines1101
| | | | - Jannelle R. Casanova
- Institute of ChemistryUniversity of the Philippines DilimanQuezon CityPhilippines1101
| | - Marlon T. Conato
- Institute of ChemistryUniversity of the Philippines DilimanQuezon CityPhilippines1101
| | - Monissa C. Paderes
- Institute of ChemistryUniversity of the Philippines DilimanQuezon CityPhilippines1101
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Kim HS, Bae S, Lim YJ, So KA, Kim TJ, Bae S, Lee JH. Tephrosin Suppresses the Chemoresistance of Paclitaxel-Resistant Ovarian Cancer via Inhibition of FGFR1 Signaling Pathway. Biomedicines 2023; 11:3155. [PMID: 38137377 PMCID: PMC10740824 DOI: 10.3390/biomedicines11123155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 11/21/2023] [Accepted: 11/26/2023] [Indexed: 12/24/2023] Open
Abstract
Ovarian cancer is the leading cause of death among gynecologic cancers. Paclitaxel is used as a standard first-line therapeutic agent for ovarian cancer. However, chemotherapeutic resistance and high recurrence rates are major obstacles to treating ovarian cancer. We have found that tephrosin, a natural rotenoid isoflavonoid, can resensitize paclitaxel-resistant ovarian cancer cells to paclitaxel. Cell viability, immunoblotting, and a flow cytometric analysis showed that a combination treatment made up of paclitaxel and tephrosin induced apoptotic death. Tephrosin inhibited the phosphorylation of AKT, STAT3, ERK, and p38 MAPK, all of which simultaneously play important roles in survival signaling pathways. Notably, tephrosin downregulated the phosphorylation of FGFR1 and its specific adapter protein FRS2, but it had no effect on the phosphorylation of the EGFR. Immunoblotting and a fluo-3 acetoxymethyl assay showed that tephrosin did not affect the expression or function of P-glycoprotein. Additionally, treatment with N-acetylcysteine did not restore cell cytotoxicity caused by a treatment combination made up of paclitaxel and tephrosin, showing that tephrosin did not affect the reactive oxygen species scavenging pathway. Interestingly, tephrosin reduced the expression of the anti-apoptotic factor XIAP. This study demonstrates that tephrosin is a potent antitumor agent that can be used in the treatment of paclitaxel-resistant ovarian cancer via the inhibition of the FGFR1 signaling pathway.
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Affiliation(s)
- Hee Su Kim
- Department of Cosmetics Engineering, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea; (H.S.K.); (S.B.); (Y.J.L.); (S.B.)
| | - Sowon Bae
- Department of Cosmetics Engineering, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea; (H.S.K.); (S.B.); (Y.J.L.); (S.B.)
| | - Ye Jin Lim
- Department of Cosmetics Engineering, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea; (H.S.K.); (S.B.); (Y.J.L.); (S.B.)
| | - Kyeong A So
- Department of Obstetrics and Gynecology, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05030, Republic of Korea; (K.A.S.); (T.J.K.)
| | - Tae Jin Kim
- Department of Obstetrics and Gynecology, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05030, Republic of Korea; (K.A.S.); (T.J.K.)
| | - Seunghee Bae
- Department of Cosmetics Engineering, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea; (H.S.K.); (S.B.); (Y.J.L.); (S.B.)
| | - Jae Ho Lee
- Department of Cosmetics Engineering, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea; (H.S.K.); (S.B.); (Y.J.L.); (S.B.)
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Jeong GH, Lee H, Lee SS, Chung BY, Bai HW, Kim TH. Inhibitory Effects of Thermolysis Transformation Products of Rotenone on Nitric Oxide Production. Int J Mol Sci 2023; 24:ijms24076095. [PMID: 37047068 PMCID: PMC10093917 DOI: 10.3390/ijms24076095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 03/21/2023] [Accepted: 03/21/2023] [Indexed: 04/14/2023] Open
Abstract
Rotenone, isolated from Derris, Lonchocarpus, and Tephrosia from the family Fabaceae, has been shown to have a variety of biological properties and is used in various agricultural industries as a potent biopesticide. However, recent reports have demonstrated that rotenone has the potential to cause several adverse effects such as a neurodegenerative disease. This study aimed to induce thermolysis of the biopesticide rotenone and enhance the functionality of the degraded products. Rotenone (1) was degraded after autoclaving for 12 h, and the thermolytic reactants showed enhanced anti-inflammatory capacity against nitric oxide (NO) production. The structures of the newly modified products were spectroscopically determined. The thermal reaction products included various isoflavonoid derivatives 2-6, whose structures were characterized as being produced via chemical reactions in rotenone at the C-12 positions. Among the degraded products, (-)-tubaic acid (6) exhibited significantly improved anti-inflammatory effects compared to the original rotenone. Quantitative LC-MS analysis of the major thermolysis products generated in Derris extract containing rotenone was performed using isolate 2-5 purified from autoclaved rotenone. These results suggest that the thermal transformation of rotenone can improve the functionality of anti-inflammatory agents.
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Affiliation(s)
- Gyeong Han Jeong
- Research Division for Biotechnology, Advanced Radiation Technology Institute (ARTI), Korea Atomic Energy Research Institute (KAERI), Jeongeup 56212, Republic of Korea
- Center for Companion Animal New Drug Development, Korea Institute of Toxicology (KIT), Jeongeup 56212, Republic of Korea
| | - Hanui Lee
- Research Division for Biotechnology, Advanced Radiation Technology Institute (ARTI), Korea Atomic Energy Research Institute (KAERI), Jeongeup 56212, Republic of Korea
- Center for Companion Animal New Drug Development, Korea Institute of Toxicology (KIT), Jeongeup 56212, Republic of Korea
| | - Seung Sik Lee
- Research Division for Biotechnology, Advanced Radiation Technology Institute (ARTI), Korea Atomic Energy Research Institute (KAERI), Jeongeup 56212, Republic of Korea
- Radiation Biotechnology and Applied Radioisotope Science, University of Science and Technology (UST), Daejeon 34113, Republic of Korea
| | - Byung Yeoup Chung
- Research Division for Biotechnology, Advanced Radiation Technology Institute (ARTI), Korea Atomic Energy Research Institute (KAERI), Jeongeup 56212, Republic of Korea
| | - Hyoung-Woo Bai
- Research Division for Biotechnology, Advanced Radiation Technology Institute (ARTI), Korea Atomic Energy Research Institute (KAERI), Jeongeup 56212, Republic of Korea
- Center for Companion Animal New Drug Development, Korea Institute of Toxicology (KIT), Jeongeup 56212, Republic of Korea
- Radiation Biotechnology and Applied Radioisotope Science, University of Science and Technology (UST), Daejeon 34113, Republic of Korea
| | - Tae Hoon Kim
- Department of Food Science and Biotechnology, Daegu University, Gyeongsan 38453, Republic of Korea
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11
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Zhou Y, Zou J, Xu J, Zhou Y, Cen X, Zhao Y. Recent advances of mitochondrial complex I inhibitors for cancer therapy: Current status and future perspectives. Eur J Med Chem 2023; 251:115219. [PMID: 36893622 DOI: 10.1016/j.ejmech.2023.115219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 02/09/2023] [Accepted: 02/19/2023] [Indexed: 02/26/2023]
Abstract
Mitochondrial complex I (CI) as a critical multifunctional respiratory complex of electron transport chain (ETC) in mitochondrial oxidative phosphorylation has been identified as vital and essence in ATP production, biosynthesis and redox balance. Recent progress in targeting CI has provided both insight and inspiration for oncotherapy, highlighting that the development of CI-targeting inhibitors is a promising therapeutic approach to fight cancer. Natural products possessing of ample scaffold diversity and structural complexity are the majority source of CI inhibitors, although low specificity and safety hinder their extensive application. Along with the gradual deepening in understanding of CI structure and function, significant progress has been achieved in exploiting novel and selective small molecules targeting CI. Among them, IACS-010759 had been approved by FDA for phase I trial in advanced cancers. Moreover, drug repurposing represents an effective and prospective strategy for CI inhibitor discovery. In this review, we mainly elaborate the biological function of CI in tumor progression, summarize the CI inhibitors reported in recent years and discuss the further perspectives for CI inhibitor application, expecting this work may provide insights into innovative discovery of CI-targeting drugs for cancer treatment.
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Affiliation(s)
- Yang Zhou
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University, Chengdu, 610041, China.
| | - Jiao Zou
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University, Chengdu, 610041, China
| | - Jing Xu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University, Chengdu, 610041, China
| | - Yue Zhou
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University, Chengdu, 610041, China
| | - Xiaobo Cen
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University, Chengdu, 610041, China; National Chengdu Center for Safety Evaluation of Drugs, State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Yinglan Zhao
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University, Chengdu, 610041, China.
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Naeem A, Hu P, Yang M, Zhang J, Liu Y, Zhu W, Zheng Q. Natural Products as Anticancer Agents: Current Status and Future Perspectives. Molecules 2022; 27:molecules27238367. [PMID: 36500466 PMCID: PMC9737905 DOI: 10.3390/molecules27238367] [Citation(s) in RCA: 70] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 11/22/2022] [Accepted: 11/28/2022] [Indexed: 12/02/2022] Open
Abstract
Natural products have been an invaluable and useful source of anticancer agents over the years. Several compounds have been synthesized from natural products by modifying their structures or by using naturally occurring compounds as building blocks in the synthesis of these compounds for various purposes in different fields, such as biology, medicine, and engineering. Multiple modern and costly treatments have been applied to combat cancer and limit its lethality, but the results are not significantly refreshing. Natural products, which are a significant source of new therapeutic drugs, are currently being investigated as potential cytotoxic agents and have shown a positive trend in preclinical research and have prompted numerous innovative strategies in order to combat cancer and expedite the clinical research. Natural products are becoming increasingly important for drug discovery due to their high molecular diversity and novel biofunctionality. Furthermore, natural products can provide superior efficacy and safety due to their unique molecular properties. The objective of the current review is to provide an overview of the emergence of natural products for the treatment and prevention of cancer, such as chemosensitizers, immunotherapeutics, combinatorial therapies with other anticancer drugs, novel formulations of natural products, and the molecular mechanisms underlying their anticancer properties.
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Affiliation(s)
- Abid Naeem
- Key Laboratory of Modern Preparation of Chinese Medicine, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang 330004, China
| | - Pengyi Hu
- Key Laboratory of Modern Preparation of Chinese Medicine, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang 330004, China
| | - Ming Yang
- Key Laboratory of Modern Preparation of Chinese Medicine, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang 330004, China
| | - Jing Zhang
- Key Laboratory of Modern Preparation of Chinese Medicine, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang 330004, China
| | - Yali Liu
- Key Laboratory of Pharmacodynamics and Safety Evaluation, Health Commission of Jiangxi Province, Nanchang Medical College, Nanchang 330006, China
- Key Laboratory of Pharmacodynamics and Quality Evaluation on Anti-Inflammatory Chinese Herbs, Jiangxi Administration of Traditional Chinese Medicine, Nanchang Medical College, Nanchang 330006, China
| | - Weifeng Zhu
- Key Laboratory of Modern Preparation of Chinese Medicine, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang 330004, China
| | - Qin Zheng
- Key Laboratory of Modern Preparation of Chinese Medicine, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang 330004, China
- Correspondence:
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Liu W, Ma H, Liang R, Chen X, Li H, Lan T, Yang J, Liao J, Qin Z, Yang Y, Liu N, Li F. Targeted Alpha Therapy of Glioma Using 211At-Labeled Heterodimeric Peptide Targeting Both VEGFR and Integrins. Mol Pharm 2022; 19:3206-3216. [PMID: 35993583 DOI: 10.1021/acs.molpharmaceut.2c00349] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Targeted radionuclide therapy based on α-emitters plays an increasingly important role in cancer treatment. In this study, we proposed to apply a heterodimeric peptide (iRGD-C6-lys-C6-DA7R) targeting both VEGFR and integrins as a new vector for 211At radiolabeling to obtain high-performance radiopharmaceuticals with potential in targeted alpha therapy (TAT). An astatinated peptide, iRGD-C6-lys(211At-ATE)-C6-DA7R, was prepared with a radiochemical yield of ∼45% and high radiochemical purity of >95% via an electrophilic radioastatodestannylation reaction. iRGD-C6-lys(211At-ATE)-C6-DA7R showed good stability in vitro and high binding ability to U87MG (glioma) cells. Systematic in vitro antitumor investigations involving cytotoxicity, apoptosis, distribution of the cell cycle, and reactive oxygen species (ROS) clearly demonstrated that 211At-labeled heterodimeric peptides could significantly inhibit cell viability, induce cell apoptosis, arrest the cell cycle in G2/M phase, and increase intracellular ROS levels in a dose-dependent manner. Biodistribution revealed that iRGD-C6-lys(211At-ATE)-C6-DA7R had rapid tumor accumulation and fast normal tissue/organ clearance, which was mainly excreted through the kidneys. Moreover, in vivo therapeutic evaluation indicated that iRGD-C6-lys(211At-ATE)-C6-DA7R was able to obviously inhibit tumor growth and prolong the survival of mice bearing glioma xenografts without notable toxicity to normal organs. All these results suggest that TAT mediated by iRGD-C6-lys(211At-ATE)-C6-DA7R can provide an effective and promising strategy for the treatment of glioma and some other tumors.
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Affiliation(s)
- Weihao Liu
- Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, P. R. China
| | - Huan Ma
- Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, P. R. China
| | - Ranxi Liang
- Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, P. R. China
| | - Xijian Chen
- Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, P. R. China
| | - Hongyan Li
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China.,Gansu Provincial Isotope Laboratory, Lanzhou 730300, P. R. China
| | - Tu Lan
- Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, P. R. China
| | - Jijun Yang
- Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, P. R. China
| | - Jiali Liao
- Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, P. R. China
| | - Zhi Qin
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China.,Gansu Provincial Isotope Laboratory, Lanzhou 730300, P. R. China
| | - Yuanyou Yang
- Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, P. R. China
| | - Ning Liu
- Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, P. R. China
| | - Feize Li
- Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, P. R. China
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14
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Quantitative Proteome Analysis Reveals Melissa officinalis Extract Targets Mitochondrial Respiration in Colon Cancer Cells. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27144533. [PMID: 35889404 PMCID: PMC9316399 DOI: 10.3390/molecules27144533] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Revised: 07/09/2022] [Accepted: 07/13/2022] [Indexed: 11/21/2022]
Abstract
Melissa officinalis (MO), known as lemon balm, is a popular ingredient blended in herbal tea. In recent decades, the bioactivities of MO have been studied in sub-health and pathological status, highlighting MO possesses multiple pharmacological effects. We previously showed that hot water MO extract exhibited anticancer activity in colorectal cancer (CRC). However, the detailed mechanisms underlying MO-induced cell death remain elusive. To elucidate the anticancer regulation of MO extract in colon cancer, a data-driven analysis by proteomics approaches and bioinformatics analysis was applied. An isobaric tandem mass tags-based quantitative proteome analysis using liquid chromatography–coupled tandem mass spectrometry was performed to acquire proteome-wide expression data. The over-representation analysis and functional class scoring method were implemented to interpret the MO-induced biological regulations. In total, 3465 quantifiable proteoforms were identified from 24,348 peptides, with 67 upregulated and 54 downregulated proteins in the MO-treated group. Mechanistically, MO impeded mitochondrial respiratory electron transport by triggering a reactive oxygen species (ROS)-mediated oxidative stress response. MO hindered the mitochondrial membrane potential by reducing the protein expression in the electron transport chain, specifically the complex I and II, which could be restored by ROS scavenger. The findings comprehensively elucidate how MO hot water extract activates antitumor effects in colorectal cancer (CRC) cells.
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Xue B, Chaddha M, Elasbali AM, Zhu Z, Jairajpuri DS, Alhumaydhi FA, Mohammad T, Abdulmonem WA, Sharaf SE, Hassan MI. Death-Associated Protein Kinase 3 Inhibitors Identified by Virtual Screening for Drug Discovery in Cancer and Hypertension. OMICS : A JOURNAL OF INTEGRATIVE BIOLOGY 2022; 26:404-413. [PMID: 35759452 DOI: 10.1089/omi.2022.0044] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Death-associated protein kinase 3 (DAPK3) is a serine/threonine protein kinase that regulates apoptosis, autophagy, transcription, and actin cytoskeleton reorganization. DAPK3 induces morphological alterations in apoptosis when overexpressed, and it is considered a potential drug target in antihypertensive and anticancer drug development. In this article, we report new findings from a structure-guided virtual screening for discovery of phytochemicals that could modulate the elevated expression of DAPK3, and with an eye to anticancer drug discovery. We used the Indian Medicinal Plants, Phytochemistry and Therapeutics (IMPPAT), a curated database, as part of the methodology. The potential initial hits were identified based on their physicochemical properties and binding affinity toward DAPK3. Subsequently, various filters for drug likeness followed by interaction analysis and molecular dynamics (MD) simulations for 100 nsec were performed to explore the conformational sampling and stability of DAPK3 with the candidate molecules. Notably, the data from all-atom MD simulations and principal component analysis suggested that DAPK3 forms stable complexes with ketanserin and rotenone. In conclusion, this study supports the idea that ketanserin and rotenone bind to DAPK3, and show stability, which can be further explored as promising scaffolds in drug development and therapeutics innovation in clinical contexts such as hypertension and various types of cancer.
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Affiliation(s)
- Bin Xue
- School of Engineering, Guangzhou College of Technology and Business, Guangzhou, China
| | - Muskan Chaddha
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi, India
| | - Abdelbaset Mohamed Elasbali
- Department of Clinical Laboratory Science, College of Applied Sciences-Qurayyat, Jouf University, Sakakah, Saudi Arabia
| | - Zhixin Zhu
- School of Engineering, Guangzhou College of Technology and Business, Guangzhou, China
| | - Deeba Shamim Jairajpuri
- Department of Medical Biochemistry, College of Medicine and Medical Sciences, Arabian Gulf University, Manama, Bahrain
| | - Fahad A Alhumaydhi
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraydah, Saudi Arabia
| | - Taj Mohammad
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi, India
| | - Waleed Al Abdulmonem
- Department of Pathology, College of Medicine, Qassim University, Buraidah, Saudia Arabia
| | - Sharaf E Sharaf
- Pharmaceutical Chemistry Department, College of Pharmacy Umm Al-Qura University, Makkah, Saudi Arabia
| | - Md Imtaiyaz Hassan
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi, India
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Sharma S, Patel F, Ara H, Bess E, Shum A, Bhattarai S, Subedi U, Bell DS, Bhuiyan MS, Sun H, Batinic-Haberle I, Panchatcharam M, Miriyala S. Rotenone-Induced 4-HNE Aggresome Formation and Degradation in HL-1 Cardiomyocytes: Role of Autophagy Flux. Int J Mol Sci 2022; 23:ijms23094675. [PMID: 35563066 PMCID: PMC9105393 DOI: 10.3390/ijms23094675] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 04/21/2022] [Accepted: 04/22/2022] [Indexed: 11/22/2022] Open
Abstract
Reactive oxygen species (ROS) cause oxidative stress by generating reactive aldehydes known as 4-hydroxynonenal (4-HNE). 4-HNE modifies protein via covalent adduction; however, little is known about the degradation mechanism of 4-HNE-adducted proteins. Autophagy is a dynamic process that maintains cellular homeostasis by removing damaged organelles and proteins. In this study, we determined the role of a superoxide dismutase (SOD) mimetic MnTnBuOE-2-PyP5+ (MnP, BMX-001) on rotenone-induced 4-HNE aggresome degradation in HL-1 cardiomyocytes. A rotenone treatment (500 nM) given for 24 h demonstrated both increased ROS and 4-HNE aggresome accumulation in HL-1 cardiomyocytes. In addition, cardiomyocytes treated with rotenone displayed an increase in the autophagy marker LC3-II, as shown by immunoblotting and immunofluorescence. A pre-treatment with MnP (20 µM) for 24 h attenuated rotenone-induced ROS formation. An MnP pre-treatment showed decreased 4-HNE aggresomes and LC3-II formation. A rotenone-induced increase in autophagosomes was attenuated by a pre-treatment with MnP, as shown by fluorescent-tagged LC3 (tfLC3). Rotenone increased tubulin hyperacetylation through the ROS-mediated pathway, which was attenuated by MnP. The disruption of autophagy caused HL-1 cell death because a 3-methyladenine inhibitor of autophagosomes caused reduced cell death. Yet, rapamycin, an inducer of autophagy, increased cell death. These results indicated that a pre-treatment with MnP decreased rotenone-induced 4-HNE aggresomes by enhancing the degradation process.
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Affiliation(s)
- Sudha Sharma
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences Center, Shreveport, LA 71103, USA; (S.S.); (F.P.); (H.A.); (E.B.); (A.S.); (S.B.); (U.S.); (D.S.B.); (H.S.)
| | - Foram Patel
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences Center, Shreveport, LA 71103, USA; (S.S.); (F.P.); (H.A.); (E.B.); (A.S.); (S.B.); (U.S.); (D.S.B.); (H.S.)
| | - Hosne Ara
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences Center, Shreveport, LA 71103, USA; (S.S.); (F.P.); (H.A.); (E.B.); (A.S.); (S.B.); (U.S.); (D.S.B.); (H.S.)
| | - Ezra Bess
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences Center, Shreveport, LA 71103, USA; (S.S.); (F.P.); (H.A.); (E.B.); (A.S.); (S.B.); (U.S.); (D.S.B.); (H.S.)
| | - Alika Shum
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences Center, Shreveport, LA 71103, USA; (S.S.); (F.P.); (H.A.); (E.B.); (A.S.); (S.B.); (U.S.); (D.S.B.); (H.S.)
| | - Susmita Bhattarai
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences Center, Shreveport, LA 71103, USA; (S.S.); (F.P.); (H.A.); (E.B.); (A.S.); (S.B.); (U.S.); (D.S.B.); (H.S.)
| | - Utsab Subedi
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences Center, Shreveport, LA 71103, USA; (S.S.); (F.P.); (H.A.); (E.B.); (A.S.); (S.B.); (U.S.); (D.S.B.); (H.S.)
| | - Daquonte Sanard Bell
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences Center, Shreveport, LA 71103, USA; (S.S.); (F.P.); (H.A.); (E.B.); (A.S.); (S.B.); (U.S.); (D.S.B.); (H.S.)
| | - Md. Shenuarin Bhuiyan
- Department of Pathology and Translational Pathobiology, Louisiana State University Health Sciences Center, Shreveport, LA 71103, USA;
| | - Hong Sun
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences Center, Shreveport, LA 71103, USA; (S.S.); (F.P.); (H.A.); (E.B.); (A.S.); (S.B.); (U.S.); (D.S.B.); (H.S.)
| | - Ines Batinic-Haberle
- Department of Radiation Oncology, Duke University School of Medicine, Durham, NC 27710, USA;
| | - Manikandan Panchatcharam
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences Center, Shreveport, LA 71103, USA; (S.S.); (F.P.); (H.A.); (E.B.); (A.S.); (S.B.); (U.S.); (D.S.B.); (H.S.)
- Correspondence: (M.P.); (S.M.); Tel.: +1-3-186-756-938 (M.P.); +1-3-186-758-326 (S.M.)
| | - Sumitra Miriyala
- Department of Cellular Biology and Anatomy, Louisiana State University Health Sciences Center, Shreveport, LA 71103, USA; (S.S.); (F.P.); (H.A.); (E.B.); (A.S.); (S.B.); (U.S.); (D.S.B.); (H.S.)
- Correspondence: (M.P.); (S.M.); Tel.: +1-3-186-756-938 (M.P.); +1-3-186-758-326 (S.M.)
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Zhang Y, Liang X, Guan J, Jin J, Zhang Y, Xu F, Fu J. Carbon tetrachloride induced mitochondrial division, respiratory chain damage, abnormal intracellular [H+] and apoptosis are due to the activation of 5-HT degradation system in hepatocytes. Toxicol Appl Pharmacol 2022; 439:115929. [DOI: 10.1016/j.taap.2022.115929] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 02/14/2022] [Accepted: 02/17/2022] [Indexed: 12/16/2022]
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18
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de Keijzer MJ, de Klerk DJ, de Haan LR, van Kooten RT, Franchi LP, Dias LM, Kleijn TG, van Doorn DJ, Heger M. Inhibition of the HIF-1 Survival Pathway as a Strategy to Augment Photodynamic Therapy Efficacy. Methods Mol Biol 2022; 2451:285-403. [PMID: 35505024 DOI: 10.1007/978-1-0716-2099-1_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Photodynamic therapy (PDT) is a non-to-minimally invasive treatment modality that utilizes photoactivatable drugs called photosensitizers to disrupt tumors with locally photoproduced reactive oxygen species (ROS). Photosensitizer activation by light results in hyperoxidative stress and subsequent tumor cell death, vascular shutdown and hypoxia, and an antitumor immune response. However, sublethally afflicted tumor cells initiate several survival mechanisms that account for decreased PDT efficacy. The hypoxia inducible factor 1 (HIF-1) pathway is one of the most effective cell survival pathways that contributes to cell recovery from PDT-induced damage. Several hundred target genes of the HIF-1 heterodimeric complex collectively mediate processes that are involved in tumor cell survival directly and indirectly (e.g., vascularization, glucose metabolism, proliferation, and metastasis). The broad spectrum of biological ramifications culminating from the activation of HIF-1 target genes reflects the importance of HIF-1 in the context of therapeutic recalcitrance. This chapter elaborates on the involvement of HIF-1 in cancer biology, the hypoxic response mechanisms, and the role of HIF-1 in PDT. An overview of inhibitors that either directly or indirectly impede HIF-1-mediated survival signaling is provided. The inhibitors may be used as pharmacological adjuvants in combination with PDT to augment therapeutic efficacy.
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Affiliation(s)
- Mark J de Keijzer
- Jiaxing Key Laboratory for Photonanomedicine and Experimental Therapeutics, Department of Pharmaceutics, College of Medicine, Jiaxing University, Jiaxing, Zhejiang, People's Republic of China
- Department of Pharmaceutics, Utrecht Institute of Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands
| | - Daniel J de Klerk
- Jiaxing Key Laboratory for Photonanomedicine and Experimental Therapeutics, Department of Pharmaceutics, College of Medicine, Jiaxing University, Jiaxing, Zhejiang, People's Republic of China
- Laboratory of Experimental Oncology, Department of Pathology, Erasmus MC, Rotterdam, The Netherlands
| | - Lianne R de Haan
- Laboratory of Experimental Oncology, Department of Pathology, Erasmus MC, Rotterdam, The Netherlands
| | - Robert T van Kooten
- Department of Surgery, Leiden University Medical Center, Leiden, The Netherlands
| | - Leonardo P Franchi
- Departamento de Bioquímica e Biologia Molecular, Instituto de Ciências Biológicas (ICB) 2, Universidade Federal de Goiás (UFG), Goiânia, GO, Brazil
- Faculty of Philosophy, Sciences, and Letters of Ribeirão Preto, epartment of Chemistry, Center of Nanotechnology and Tissue Engineering-Photobiology and Photomedicine Research Group,University of São Paulo, São Paulo, Brazil
| | - Lionel M Dias
- Jiaxing Key Laboratory for Photonanomedicine and Experimental Therapeutics, Department of Pharmaceutics, College of Medicine, Jiaxing University, Jiaxing, Zhejiang, People's Republic of China
- Laboratory of Experimental Oncology, Department of Pathology, Erasmus MC, Rotterdam, The Netherlands
| | - Tony G Kleijn
- Jiaxing Key Laboratory for Photonanomedicine and Experimental Therapeutics, Department of Pharmaceutics, College of Medicine, Jiaxing University, Jiaxing, Zhejiang, People's Republic of China
- Laboratory of Experimental Oncology, Department of Pathology, Erasmus MC, Rotterdam, The Netherlands
| | - Diederick J van Doorn
- Department of Gastroenterology and Hepatology, Amsterdam UMC, Location AMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Michal Heger
- Jiaxing Key Laboratory for Photonanomedicine and Experimental Therapeutics, Department of Pharmaceutics, College of Medicine, Jiaxing University, Jiaxing, Zhejiang, People's Republic of China.
- Department of Pharmaceutics, Utrecht Institute of Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands.
- Laboratory of Experimental Oncology, Department of Pathology, Erasmus MC, Rotterdam, The Netherlands.
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19
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β-Cells Different Vulnerability to the Parkinsonian Neurotoxins Rotenone, 1-Methyl-4-phenylpyridinium (MPP +) and 6-Hydroxydopamine (6-OHDA). Pharmaceuticals (Basel) 2021; 14:ph14080767. [PMID: 34451865 PMCID: PMC8398660 DOI: 10.3390/ph14080767] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 07/23/2021] [Accepted: 07/31/2021] [Indexed: 12/21/2022] Open
Abstract
Neurotoxins such as rotenone, 1-methyl-4-phenylpyridinium (MPP+) and 6-hydroxydopamine (6-OHDA) are well known for their high toxicity on dopaminergic neurons and are associated with Parkinson's disease (PD) in murine models and humans. In addition, PD patients often have glucose intolerance and may develop type 2 diabetes (T2D), whereas T2D patients have higher risk of PD compared to general population. Based on these premises, we evaluated the toxicity of these three toxins on pancreatic β-cell lines (INS-1 832/13 and MIN6) and we showed that rotenone is the most potent for reducing β-cells viability and altering mitochondrial structure and bioenergetics in the low nanomolar range, similar to that found in dopaminergic cell lines. MPP+ and 6-OHDA show similar effects but at higher concentration. Importantly, rotenone-induced toxicity was counteracted by α-tocopherol and partially by metformin, which are endowed with strong antioxidative and cytoprotective properties. These data show similarities between dopaminergic neurons and β-cells in terms of vulnerability to toxins and pharmacological agents capable to protect both cell types.
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Park HS, Han JH, Park JW, Lee DH, Jang KW, Lee M, Heo KS, Myung CS. Sodium propionate exerts anticancer effect in mice bearing breast cancer cell xenograft by regulating JAK2/STAT3/ROS/p38 MAPK signaling. Acta Pharmacol Sin 2021; 42:1311-1323. [PMID: 32973326 PMCID: PMC8285538 DOI: 10.1038/s41401-020-00522-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Accepted: 08/24/2020] [Indexed: 02/07/2023] Open
Abstract
Propionate is a short-chain fatty acid (SCFA) mainly produced from carbohydrates by gut microbiota. Sodium propionate (SP) has shown to suppress the invasion in G protein-coupled receptor 41 (GPR41) and GPR43-overexpressing breast cancer cells. In this study we investigated the effects of SP on the proliferation, apoptosis, autophagy, and antioxidant production of breast cancer cells. We showed that SP (5-20 mM) dose-dependently inhibited proliferation and induced apoptosis in breast cancer cell lines JIMT-1 (ER-negative and HER2-expressing) and MCF7 (ER-positive type), and this effect was not affected by PTX, thus not mediated by the GPR41 or GPR43 SCFA receptors. Meanwhile, we demonstrated that SP treatment increased autophagic and antioxidant activity in JIMT-1 and MCF7 breast cancer cells, which might be a compensatory mechanism to overcome SP-induced apoptosis, but were not sufficient to overcome SP-mediated suppression of proliferation and induction of apoptosis. We revealed that the anticancer effect of SP was mediated by inhibiting JAK2/STAT3 signaling which led to cell-cycle arrest at G0/G1 phase, and increasing levels of ROS and phosphorylation of p38 MAPK which induced apoptosis. In nude mice bearing JIMT-1 and MCF7 cells xenograft, administration of SP (20 mg/mL in drinking water) significantly suppressed tumor growth by regulating STAT3 and p38 in tumor tissues. These results suggest that SP suppresses proliferation and induces apoptosis in breast cancer cells by inhibiting STAT3, increasing the ROS level and activating p38. Therefore, SP is a candidate therapeutic agent for breast cancer.
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Affiliation(s)
- Hyun-Soo Park
- Department of Pharmacology, Chungnam National University College of Pharmacy, Daejeon, 34134, Republic of Korea
| | - Joo-Hui Han
- Department of Pharmacology, Chungnam National University College of Pharmacy, Daejeon, 34134, Republic of Korea
| | - Jeong Won Park
- Department of Lifetech.Institute, iNtRON Biotechnology, Seongnam-si, 13202, Republic of Korea
| | - Do-Hyung Lee
- Department of Pharmacology, Chungnam National University College of Pharmacy, Daejeon, 34134, Republic of Korea
| | - Keun-Woo Jang
- Department of Pharmacology, Chungnam National University College of Pharmacy, Daejeon, 34134, Republic of Korea
| | - Miji Lee
- Department of Pharmacology, Chungnam National University College of Pharmacy, Daejeon, 34134, Republic of Korea
| | - Kyung-Sun Heo
- Department of Pharmacology, Chungnam National University College of Pharmacy, Daejeon, 34134, Republic of Korea
| | - Chang-Seon Myung
- Department of Pharmacology, Chungnam National University College of Pharmacy, Daejeon, 34134, Republic of Korea.
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21
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Liao Z, Li F, Tang Y, Liu W, Gao J, Lan T, Yang J, Liao J, Liu N, Yang Y. Preliminary in vitro comparison of 111In and 131I labeled nimotuzumabs. J Radioanal Nucl Chem 2021. [DOI: 10.1007/s10967-021-07677-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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22
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Bak DH, Kang SH, Park CH, Chung BY, Bai HW. A novel radiolytic rotenone derivative, rotenoisin A, displays potent anticarcinogenic activity in breast cancer cells. JOURNAL OF RADIATION RESEARCH 2021; 62:249-258. [PMID: 33615367 PMCID: PMC7948853 DOI: 10.1093/jrr/rrab005] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 12/03/2020] [Indexed: 06/12/2023]
Abstract
Chemotherapy for cancer treatment has therapeutic limitations, such as drug resistance, excessive toxic effects and undesirable adverse effects. Therefore, efforts to improve the safety and efficacy of chemotherapeutic agents are essential. Ionizing radiation can improve physiological and pharmacological properties by transforming structural modifications of the drug. In this study, in order to reduce the adverse effects of rotenone and increase anticancer activity, a new radiolytic rotenone derivative called rotenoisin A was generated through radiolytic transformation. Our findings showed that rotenoisin A inhibited the proliferation of breast cancer cells and increased the rate of apoptosis, whereas it had no inhibitory effect on primary epidermal keratinocytes compared with rotenone. Moreover, rotenoisin A-induced DNA damage by increasing reactive oxygen species (ROS) accumulation. It was also confirmed not only to alter the composition ratio of mitochondrial proteins, but also to result in structural and functional changes. The anticancer effect and molecular signalling mechanisms of rotenoisin A were consistent with those of rotenone, as previously reported. Our study suggests that radiolytic transformation of highly toxic compounds may be an alternative strategy for maintaining anticancer effects and reducing the toxicity of the parent compound.
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Affiliation(s)
| | | | - Chul-hong Park
- Research Division for Biotechnology, Advanced Radiation Technology Institute (ARTI), Korea Atomic Energy Research Institute (KAERI), Jeongeup-si, Jeollabuk-do, Republic of Korea
| | - Byung Yeoup Chung
- Corresponding authors. Research Division for Biotechnology, Advanced Radiation Technology Institute (ARTI), Korea Atomic Energy Research Institute (KAERI), Jeongeup-si, Jeollabuk-do, 56212, Korea. Fax: +82-63-570-3331; ; Research division for Biotechnology, Advanced Radiation Technology Institute (ARTI), Korea Atomic Energy Research Institute (KAERI), Jeongeup-si, Jeollabuk-do, 56212, Korea. Radiation Biotechnology and Applied Radioisotope Science, University of Science and Technology (UST), Daejeon 34113, Korea. Fax: +82-63-570-3334;
| | - Hyoung-Woo Bai
- Corresponding authors. Research Division for Biotechnology, Advanced Radiation Technology Institute (ARTI), Korea Atomic Energy Research Institute (KAERI), Jeongeup-si, Jeollabuk-do, 56212, Korea. Fax: +82-63-570-3331; ; Research division for Biotechnology, Advanced Radiation Technology Institute (ARTI), Korea Atomic Energy Research Institute (KAERI), Jeongeup-si, Jeollabuk-do, 56212, Korea. Radiation Biotechnology and Applied Radioisotope Science, University of Science and Technology (UST), Daejeon 34113, Korea. Fax: +82-63-570-3334;
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Martínez-Gualda AM, Domingo-Legarda P, Rigotti T, Díaz-Tendero S, Fraile A, Alemán J. Asymmetric [2+2] photocycloaddition via charge transfer complex for the synthesis of tricyclic chiral ethers. Chem Commun (Camb) 2021; 57:3046-3049. [PMID: 33625423 DOI: 10.1039/d1cc00035g] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The asymmetric synthesis of chiral polycyclic ethers by an intramolecular [2+2] photocycloaddition is described. This process proceeded through a photocatalytically active iminium ion-based charge transfer (CT) complex under visible light irradiation. In this way a stereocontrolled [2+2] photocycloaddition is enabled leading to tricyclic products with good enantiomeric ratios.
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Hussain A, Bourguet-Kondracki ML, Hussain F, Rauf A, Ibrahim M, Khalid M, Hussain H, Hussain J, Ali I, Khalil AA, Alhumaydhi FA, Khan M, Hussain R, Rengasamy KRR. The potential role of dietary plant ingredients against mammary cancer: a comprehensive review. Crit Rev Food Sci Nutr 2020; 62:2580-2605. [DOI: 10.1080/10408398.2020.1855413] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Amjad Hussain
- Department of Chemistry, University of Okara, Okara, Pakistan
- Laboratoire Molécules de Communication et Adaptation des Micro-organismes, UMR 7245 MNHN-CNRS, Muséum National d’Histoire Naturelle, Paris, France
- Department of Applied Chemistry, Government College University, Faisalabad, Pakistan
| | - Marie-Lise Bourguet-Kondracki
- Laboratoire Molécules de Communication et Adaptation des Micro-organismes, UMR 7245 MNHN-CNRS, Muséum National d’Histoire Naturelle, Paris, France
| | - Farhad Hussain
- Department of Applied Chemistry, Government College University, Faisalabad, Pakistan
| | - Abdur Rauf
- Department of Chemistry, University of Swabi, Swabi, Anbar, Khyber Pukhtanuk (KP), Pakistan
| | - Muhammad Ibrahim
- Department of Applied Chemistry, Government College University, Faisalabad, Pakistan
| | - Muhammad Khalid
- Department of Chemistry, Khwaja Fareed University of Engineering & Information Technology, Punjab, Pakistan
| | - Hidayat Hussain
- Department of Bioorganic Chemistry, Leibniz Institute of Plant Biochemistry, Halle (Salle), Germany
| | - Javid Hussain
- Department of Biological Sciences & Chemistry, College of Arts and Sciences, University of Nizwa, Nizwa, Sultanate of Oman
| | - Iftikhar Ali
- Department of Chemistry, Karakoram International University, Gilgit, Pakistan
| | - Anees Ahmed Khalil
- University Institute of Diet and Nutritional Sciences, Faculty of Allied Health Sciences, The University of Lahore, Lahore, Pakistan
| | - Fahad A. Alhumaydhi
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraydah, Saudi Arabia
| | - Muhammad Khan
- Department of Chemistry, University of Okara, Okara, Pakistan
| | - Riaz Hussain
- Department of Chemistry, University of Okara, Okara, Pakistan
| | - Kannan R. R. Rengasamy
- Institute of Research and Development, Duy Tan University, Da Nang, Vietnam
- Faculty of Environment and Chemical Engineering, Duy Tan University, Da Nang, Vietnam
- Indigenous Knowledge Systems Centre, Faculty of Natural and Agricultural Sciences, North-West University, Mmabatho, South Africa
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25
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Zhao YH, Shen CF, Kang Y, Qi A, Xu WJ, Shi WH, Liu JW. Curcumin prevents renal cell apoptosis in acute kidney injury in a rat model of dry-heat environment heatstroke via inhibition of the mitochondrial apoptotic pathway. Exp Ther Med 2020; 21:126. [PMID: 33376508 PMCID: PMC7751465 DOI: 10.3892/etm.2020.9558] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Accepted: 10/20/2020] [Indexed: 12/19/2022] Open
Abstract
Heatstroke is a life-threatening illness that is characterised by a core body temperature >40°C and central nervous system dysfunction. Acute kidney injury (AKI) is a common complication of heatstroke, and the mitochondrial apoptotic pathway has been demonstrated to be one of the leading causes of tissue damage and cell death in AKI. Curcumin is a phenol that is extracted from turmeric and demonstrates anti-apoptotic properties. To test if curcumin can protect the kidney from injury caused by heat stress, the effect of curcumin administration on renal injury and apoptosis of renal tissue was examined in a rat model of dry-heat environment. A total of 50 Sprague-Dawley rats were randomly divided into five groups (n=10): Standard temperature control, dry-heat control and curcumin treatment groups (50, 100 and 200 mg/kg groups). After exposure to a dry-heat environment for 150 min, the rats were anesthetized and euthanized. Blood, urine and renal tissue were collected to quantify the expression of specific mitochondrial apoptosis-related molecules. Curcumin pre-treatment decreased blood urea nitrogen and serum creatinine, urinary kidney injury molecule-1, and neutrophil gelatinase-associated lipocalin levels compared with the dry-heat control group. Curcumin was also revealed to downregulate c-Jun N-terminal kinases (JNK), cytochrome c, caspase-3 and caspase-9 expression upon treatment with 100 and 200 mg/kg curcumin, which may result in inhibition of the mitochondrial apoptotic pathway in renal cells. The current study revealed that Curcumin may to have potential for preventing heatstroke-induced AKI.
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Affiliation(s)
- Yin-Hui Zhao
- Key Laboratory of The Special Environmental Medicine of Xinjiang, General Hospital of Xinjiang Military Region of The PLA, Urumqi, Xinjiang 830000, P.R. China.,Emergency Critical Department, Shanghai General Hospital, Shanghai 200080, P.R. China
| | - Cai-Fu Shen
- Key Laboratory of The Special Environmental Medicine of Xinjiang, General Hospital of Xinjiang Military Region of The PLA, Urumqi, Xinjiang 830000, P.R. China
| | - Yan Kang
- Department of Imaging Medicine The 69240 Army Hospital of PLA, Urumqi, Xinjiang 830000, P.R. China
| | - Ao Qi
- Key Laboratory of The Special Environmental Medicine of Xinjiang, General Hospital of Xinjiang Military Region of The PLA, Urumqi, Xinjiang 830000, P.R. China
| | - Wen-Juan Xu
- Key Laboratory of The Special Environmental Medicine of Xinjiang, General Hospital of Xinjiang Military Region of The PLA, Urumqi, Xinjiang 830000, P.R. China
| | - Wen-Hui Shi
- Key Laboratory of The Special Environmental Medicine of Xinjiang, General Hospital of Xinjiang Military Region of The PLA, Urumqi, Xinjiang 830000, P.R. China
| | - Jiang-Wei Liu
- Key Laboratory of The Special Environmental Medicine of Xinjiang, General Hospital of Xinjiang Military Region of The PLA, Urumqi, Xinjiang 830000, P.R. China
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26
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Xiao W, Liu Y, Dai M, Li Y, Peng R, Yu S, Liu H. Rotenone restrains colon cancer cell viability, motility and epithelial‑mesenchymal transition and tumorigenesis in nude mice via the PI3K/AKT pathway. Int J Mol Med 2020; 46:700-708. [PMID: 32626924 PMCID: PMC7307809 DOI: 10.3892/ijmm.2020.4637] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Accepted: 03/06/2020] [Indexed: 12/11/2022] Open
Abstract
Rotenone, a natural hydrophobic pesticide, has been reported to display anticancer activity in a variety of cancer cells. However, the mechanism of rotenone on colon cancer (CC) cell migration, invasion and metastasis is still unknown. In the present study, the cytotoxicity of rotenone on CC cells were detected by the Cell Counting Kit‑8 assay and confirmed by clone formation assay. The effects of rotenone on CC cell invasion and migration activity were determined in vitro by Transwell invasion and wound healing assays, respectively. In addition, to reveal whether rotenone affected the epithelial‑mesenchymal‑transition (EMT) process, reverse transcription‑quantitative PCR, western blotting and immunofluorescence assays were used to detect the expression of EMT markers. The expression levels of the key markers of the PI3K/AKT pathway after rotenone treatment alone or in combination with a PI3K/AKT signaling activator in CC were also detected by western blotting. Finally, the in vivo antitumor effects of rotenone were evaluated in a subcutaneous xenotransplant tumor model treated with an intraperitoneal injection of rotenone. The results of the present study demonstrated that rotenone treatment induced CC cell cytotoxicity and greater effects were observed with increasing concentrations and inhibited cell proliferation compared with untreated cells. In vitro cell function assays revealed that rotenone inhibited CC cell migration, invasion and EMT compared with untreated cells. Mechanically, the phosphorylation levels of AKT and mTOR were downregulated in rotenone‑treated CC cells compared with untreated cells. Additionally, AKT and mTOR phosphorylation levels were increased by the PI3K/AKT signaling activator insulin‑like growth factor 1 (IGF‑1), which was reversed by rotenone treatment. The cell function assays confirmed that the IGF‑1‑activated cell proliferation, migration and invasion were decreased by rotenone treatment. These results indicated that rotenone affected CC cell proliferation and metastatic capabilities by inhibiting the PI3K/AKT/mTOR signaling pathway. In addition, rotenone inhibited tumor growth and metastatic capability of CC, which was confirmed in a xenograft mouse model. In conclusion, the present study revealed that rotenone inhibited CC cell viability, motility, EMT and metastasis in vitro and in vivo by inhibiting the PI3K/AKT/mTOR signaling pathway.
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Affiliation(s)
- Wenbo Xiao
- Department of Digestion, University-Town Hospital of Chongqing Medical University, Chongqing 401331
| | | | | | - Yu Li
- Department of Digestion, Rongchang District People's Hospital of Chongqing, Chongqing 402460
| | - Renqun Peng
- Department of Digestion, Rongchang District People's Hospital of Chongqing, Chongqing 402460
| | - Shuangjiang Yu
- Department of Neurosurgery, The First Hospital Affiliated to Army Military Medical University (Southwest Hospital), Chongqing 400038, P.R. China
| | - Hao Liu
- Department of Digestion, Rongchang District People's Hospital of Chongqing, Chongqing 402460
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27
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Wu AP, He Y, Ye SY, Qi LY, Liu L, Zhong W, Wang YH, Fu H. Negative effects of a piscicide, rotenone, on the growth and metabolism of three submerged macophytes. CHEMOSPHERE 2020; 250:126246. [PMID: 32097811 DOI: 10.1016/j.chemosphere.2020.126246] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 02/15/2020] [Accepted: 02/15/2020] [Indexed: 06/10/2023]
Abstract
A piscicide, rotenone (RT), is frequently used for clear and management of aquatic systems such as fish pond, and even for illegal fishing throughout the world. The effects of RT on submerged macrophytes remain elusive although the effects of RT on many kinds of animals are well documented. We wanted to determine the effects of RT on the growth and metabolism of three submerged plants (Vallisneria natans, Myriophyllum spicatum, Potamogeton maackianus) and try to find the reasons of these effects. The results showed that the shoot height, shoot dry weight, root dry weight, root:shoot ratios, contents of soluble protein and soluble carbohydrate of the three tested submerged plants were significantly negatively affected by RT and the effects were different among the studied species. Furthermore, pH rised a little and light transmission was greatly reduced in the water with RT treatment. We think that the negative effects of RT on the growth and metabolism of submerged species is partially attributing to the lower light caused by RT application. Accordingly, we highlight that submerged species may be greatly suppressed by RT, and we should apply RT in water ecosystems with great caution.
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Affiliation(s)
- Ai-Ping Wu
- Ecology Department, College of Resources and Environment, Hunan Provincial Key Laboratory of Rural Ecosystem Health in Dongting Lake Area, Hunan Agricultural University, Changsha, 410128, China.
| | - Yu He
- Ecology Department, College of Resources and Environment, Hunan Provincial Key Laboratory of Rural Ecosystem Health in Dongting Lake Area, Hunan Agricultural University, Changsha, 410128, China
| | - Shi-Yun Ye
- Ecology Department, College of Resources and Environment, Hunan Provincial Key Laboratory of Rural Ecosystem Health in Dongting Lake Area, Hunan Agricultural University, Changsha, 410128, China
| | - Liang-Yu Qi
- Ecology Department, College of Resources and Environment, Hunan Provincial Key Laboratory of Rural Ecosystem Health in Dongting Lake Area, Hunan Agricultural University, Changsha, 410128, China
| | - Li Liu
- Ecology Department, College of Resources and Environment, Hunan Provincial Key Laboratory of Rural Ecosystem Health in Dongting Lake Area, Hunan Agricultural University, Changsha, 410128, China
| | - Wen Zhong
- Ecology Department, College of Resources and Environment, Hunan Provincial Key Laboratory of Rural Ecosystem Health in Dongting Lake Area, Hunan Agricultural University, Changsha, 410128, China
| | - Yan-Hong Wang
- School of Forestry and Bio-technology, Zhejiang Agriculture & Forestry University, Hangzhou, 311300, China
| | - Hui Fu
- Ecology Department, College of Resources and Environment, Hunan Provincial Key Laboratory of Rural Ecosystem Health in Dongting Lake Area, Hunan Agricultural University, Changsha, 410128, China
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28
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Ibrahim RR, El-Esawy RO, El-Sakaa MH. Troxerutin downregulates C/EBP-β gene expression via modulating the IFNγ-ERK1/2 signaling pathway to ameliorate rotenone-induced retinal neurodegeneration. J Biochem Mol Toxicol 2020; 34:e22482. [PMID: 32115830 DOI: 10.1002/jbt.22482] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 01/10/2020] [Accepted: 02/14/2020] [Indexed: 12/31/2022]
Abstract
Troxerutin, a natural flavonoid guards against oxidative stress and apoptosis with a high capability of passing through the blood-brain barrier. Our aim was to investigate the role of troxerutin in experimentally induced retinal neurodegeneration by modulating the interferon-gamma (IFNγ)-extracellular signal-regulated kinases 1/2 (ERK1/2)-CCAAT enhancer-binding protein β (C/EBP-β) signaling pathway. Three groups of rats (10 each group) were included. Group I (control group), group II (rotenone treated group): the rats were injected subcutaneously with a single rotenone dosage of 3 mg/kg repeated every 48 hours for 60 days to trigger retinal neurodegeneration. Group III (troxerutin-treated group): rats received troxerutin (150 mg/kg/day) by oral gavage 1 hour before rotenone administration. A real-time polymerase chain reaction technique was applied to measure messenger RNA (mRNA) levels of retinal C/EBP-β. Enzyme-linked immunosorbent assay technique was utilized to assay tumor necrosis factor-α (TNF-α), IFNγ, and ERK1/2 levels. Finally, reactive oxygen species (ROS), as well as carbonylated protein (CP) levels, were assessed spectrophotometrically. Improved retinal neurodegeneration by downregulation of C/EBP-β mRNA gene expression, also caused a significant reduction of TNF-α, IFNγ, ERK1/2 as well as ROS and CP levels compared with the diseased group. These findings could hold promise for the usage of troxerutin as a protective agent against rotenone-induced retinal neurodegeneration.
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Affiliation(s)
- Rowida Raafat Ibrahim
- Medical Biochemistry and Molecular Biology Department, Faculty of Medicine, Tanta University, Tanta, Egypt
| | | | - Mervat H El-Sakaa
- Physiology Department, Faculty of Medicine, Tanta University, Tanta, Egypt
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29
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Ryu M, Sung CK, Im YJ, Chun C. Activation of JNK and p38 in MCF-7 Cells and the In Vitro Anticancer Activity of Alnus hirsuta Extract. Molecules 2020; 25:E1073. [PMID: 32121012 PMCID: PMC7179116 DOI: 10.3390/molecules25051073] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2019] [Revised: 02/24/2020] [Accepted: 02/24/2020] [Indexed: 01/02/2023] Open
Abstract
JNK and p38 are important mitogen-activated protein kinases (MAPKs) that respond to stress stimuli. The stress-activated MAPKs associated with apoptotic cell death play vital roles in mammalian cells. Alnus hirsuta, which contains abundant diarylheptanoids derivatives, is a valuable medicinal plant. The CHCl3 extract (AHC) containing platyphyllenone (1) and platyphyllone (3) as main compounds showed in vitro anticancer effects. We report the biological activities of A. hirsuta extract associated with the regulation of apoptosis and JNK and p38 in MCF-7 breast cancer cells. Levels of phospho-JNK and phospho-p38 by AHC treatment were evaluated by enzyme-linked immunosorbent assay (ELISA). ROS production, apoptotic effect, and DNA contents of the cells were measured by flow cytometry. The two diarylheptanoids 1 and 3 and the AHC extract exhibited cytotoxic effects on MCF-7 cells in MTT assay, with IC50 values of 18.1, 46.9, 260.0 μg/mL, respectively. AHC induced ROS generation and elevated the endogenous levels of phospho-JNK and phospho-p38. AHC resulted in apoptosis and cell cycle arrest. We suggest that the antitumor effect of A. hirsuta extract is achieved by apoptosis promotion and cell cycle arrest mediated by the activation of JNK and p38 signaling pathway via ROS generation.
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Affiliation(s)
| | | | - Young Jun Im
- College of Pharmacy, Chonnam National University, Gwangju 61186, Korea; (M.R.); (C.K.S.)
| | - ChangJu Chun
- College of Pharmacy, Chonnam National University, Gwangju 61186, Korea; (M.R.); (C.K.S.)
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30
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Raimondi V, Ciccarese F, Ciminale V. Oncogenic pathways and the electron transport chain: a dangeROS liaison. Br J Cancer 2019; 122:168-181. [PMID: 31819197 PMCID: PMC7052168 DOI: 10.1038/s41416-019-0651-y] [Citation(s) in RCA: 96] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 10/30/2019] [Accepted: 11/05/2019] [Indexed: 02/07/2023] Open
Abstract
Driver mutations in oncogenic pathways, rewiring of cellular metabolism and altered ROS homoeostasis are intimately connected hallmarks of cancer. Electrons derived from different metabolic processes are channelled into the mitochondrial electron transport chain (ETC) to fuel the oxidative phosphorylation process. Electrons leaking from the ETC can prematurely react with oxygen, resulting in the generation of reactive oxygen species (ROS). Several signalling pathways are affected by ROS, which act as second messengers controlling cell proliferation and survival. On the other hand, oncogenic pathways hijack the ETC, enhancing its ROS-producing capacity by increasing electron flow or by impinging on the structure and organisation of the ETC. In this review, we focus on the ETC as a source of ROS and its modulation by oncogenic pathways, which generates a vicious cycle that resets ROS levels to a higher homoeostatic set point, sustaining the cancer cell phenotype.
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Affiliation(s)
| | | | - Vincenzo Ciminale
- Veneto Institute of Oncology IOV - IRCCS, Padua, Italy. .,Department of Surgery, Oncology and Gastroenterology, University of Padua, Padua, Italy.
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31
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Park W, Park S, Song G, Lim W. Inhibitory Effects of Osthole on Human Breast Cancer Cell Progression via Induction of Cell Cycle Arrest, Mitochondrial Dysfunction, and ER Stress. Nutrients 2019; 11:nu11112777. [PMID: 31731635 PMCID: PMC6893636 DOI: 10.3390/nu11112777] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Revised: 10/10/2019] [Accepted: 10/11/2019] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Breast cancer is the most commonly diagnosed cancer and the second leading cause of cancer death in women. Although, recently, the number of pathological studies of breast cancer have increased, it is necessary to identify a novel compound that targets multiple signaling pathways involved in breast cancer. METHODS The effects of osthole on cell viability, apoptosis, mitochondria-mediated apoptosis, production of reactive oxygen species (ROS), and endoplasmic reticulum (ER) stress proteins of BT-474 and MCF-7 breast cancer cell lines were investigated. Signal transduction pathways in both cells in response to osthole were determined by western blot analyses. RESULTS Here, we demonstrated that osthole inhibited cellular proliferation and induced cell cycle arrest through modulation of cell cycle regulatory genes in BT-474 and MCF-7 cells. Additionally, osthole induced loss of mitochondrial membrane potential (MMP), intracellular calcium imbalance, and ER stress. Moreover, osthole induced apoptosis by activating the pro-apoptotic protein, Bax, in both cell lines. Osthole regulated phosphorylation of signaling proteins such as Akt and ERK1/2 in human breast cancer cells. Furthermore, osthole-induced activation of JNK protein-mediated apoptosis in both cell lines. CONCLUSIONS Collectively, the results of the present study indicated that osthole may ameliorate breast cancer and can be a promising therapeutic agent for treatment of breast cancer.
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Affiliation(s)
- Wonhyoung Park
- Department of Biotechnology, Korea University, Seoul 02841, Korea; (W.P.); (S.P.)
| | - Sunwoo Park
- Department of Biotechnology, Korea University, Seoul 02841, Korea; (W.P.); (S.P.)
| | - Gwonhwa Song
- Department of Biotechnology, Korea University, Seoul 02841, Korea; (W.P.); (S.P.)
- Correspondence: (G.S.); (W.L.); Tel.: +82-2-3290-3012 (G.S.); +82-2-910-4773 (W.L.); Fax: +82-2-3290-4994 (G.S.)
| | - Whasun Lim
- Department of Food and Nutrition, Kookmin University, Seoul 02707, Korea
- Correspondence: (G.S.); (W.L.); Tel.: +82-2-3290-3012 (G.S.); +82-2-910-4773 (W.L.); Fax: +82-2-3290-4994 (G.S.)
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32
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Ino K, Onodera T, Fukuda MT, Nashimoto Y, Shiku H. Combination of Double-Mediator System with Large-Scale Integration-Based Amperometric Devices for Detecting NAD(P)H:quinone Oxidoreductase 1 Activity of Cancer Cell Aggregates. ACS Sens 2019; 4:1619-1625. [PMID: 30995391 DOI: 10.1021/acssensors.9b00344] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
NAD(P)H:quinone oxidoreductase 1 (NQO1) is a key enzyme providing cytoprotection from quinone species. In addition, it is expressed at high levels in many human tumors, such as breast cancer. Therefore, it is considered to be a potential target in cancer treatment. In order to detect intracellular NQO1 activity in MCF-7 aggregates as a cancer model, we present, in this study, a double-mediator system combined with large-scale integration (LSI)-based amperometric devices. This LSI device contained 20 × 20 Pt working electrodes with a 250 μm pitch for electrochemical imaging. In the detection system, menadione (MD) and [Fe(CN)6]3- were used. Since MD can diffuse into cells due to its hydrophobicity, it is reduced into menadiol by intracellular NQO1. The menadiol diffuses out of the cells and reduces [Fe(CN)6]3- of a hydrophilic mediator into [Fe(CN)6]4-. The accumulated [Fe(CN)6]4- outside the cells is electrochemically detected at 0.5 V in the LSI device. Using this strategy, the intracellular NQO1 activity of MCF-7 aggregates was successfully detected. The effect of rotenone, which is an inhibitor for Complex I, on NQO1 activity was also investigated. In addition, NQO1 and respiration activities were simultaneously imaged using the detection system that was further combined with electrochemicolor imaging. Thus, the double-mediator system was proven to be useful for evaluating intracellular redox activity of cell aggregates.
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Affiliation(s)
- Kosuke Ino
- Graduate School of Engineering, Tohoku University, Sendai 980-8579, Japan
| | - Takehiro Onodera
- Graduate School of Engineering, Tohoku University, Sendai 980-8579, Japan
| | - Mika T. Fukuda
- Graduate School of Engineering, Tohoku University, Sendai 980-8579, Japan
| | - Yuji Nashimoto
- Graduate School of Engineering, Tohoku University, Sendai 980-8579, Japan
- Frontier Research Institute for Interdisciplinary Sciences, Tohoku University, Sendai 980-8578, Japan
| | - Hitoshi Shiku
- Graduate School of Engineering, Tohoku University, Sendai 980-8579, Japan
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33
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Awad D, Prattes M, Kofler L, Rössler I, Loibl M, Pertl M, Zisser G, Wolinski H, Pertschy B, Bergler H. Inhibiting eukaryotic ribosome biogenesis. BMC Biol 2019; 17:46. [PMID: 31182083 PMCID: PMC6558755 DOI: 10.1186/s12915-019-0664-2] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Accepted: 05/14/2019] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Ribosome biogenesis is a central process in every growing cell. In eukaryotes, it requires more than 250 non-ribosomal assembly factors, most of which are essential. Despite this large repertoire of potential targets, only very few chemical inhibitors of ribosome biogenesis are known so far. Such inhibitors are valuable tools to study this highly dynamic process and elucidate mechanistic details of individual maturation steps. Moreover, ribosome biogenesis is of particular importance for fast proliferating cells, suggesting its inhibition could be a valid strategy for treatment of tumors or infections. RESULTS We systematically screened ~ 1000 substances for inhibitory effects on ribosome biogenesis using a microscopy-based screen scoring ribosomal subunit export defects. We identified 128 compounds inhibiting maturation of either the small or the large ribosomal subunit or both. Northern blot analysis demonstrates that these inhibitors cause a broad spectrum of different rRNA processing defects. CONCLUSIONS Our findings show that the individual inhibitors affect a wide range of different maturation steps within the ribosome biogenesis pathway. Our results provide for the first time a comprehensive set of inhibitors to study ribosome biogenesis by chemical inhibition of individual maturation steps and establish the process as promising druggable pathway for chemical intervention.
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Affiliation(s)
- Dominik Awad
- Institute of Molecular Biosciences, University of Graz, Humboldtstrasse 50/EG, A-8010, Graz, Austria
- Present address: Department of Cancer Systems Imaging, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Michael Prattes
- Institute of Molecular Biosciences, University of Graz, Humboldtstrasse 50/EG, A-8010, Graz, Austria
| | - Lisa Kofler
- Institute of Molecular Biosciences, University of Graz, Humboldtstrasse 50/EG, A-8010, Graz, Austria
| | - Ingrid Rössler
- Institute of Molecular Biosciences, University of Graz, Humboldtstrasse 50/EG, A-8010, Graz, Austria
| | - Mathias Loibl
- Institute of Molecular Biosciences, University of Graz, Humboldtstrasse 50/EG, A-8010, Graz, Austria
| | - Melanie Pertl
- Institute of Molecular Biosciences, University of Graz, Humboldtstrasse 50/EG, A-8010, Graz, Austria
| | - Gertrude Zisser
- Institute of Molecular Biosciences, University of Graz, Humboldtstrasse 50/EG, A-8010, Graz, Austria
| | - Heimo Wolinski
- Institute of Molecular Biosciences, University of Graz, Humboldtstrasse 50/EG, A-8010, Graz, Austria
| | - Brigitte Pertschy
- Institute of Molecular Biosciences, University of Graz, Humboldtstrasse 50/EG, A-8010, Graz, Austria.
| | - Helmut Bergler
- Institute of Molecular Biosciences, University of Graz, Humboldtstrasse 50/EG, A-8010, Graz, Austria.
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Ampelopsin inhibits human glioma through inducing apoptosis and autophagy dependent on ROS generation and JNK pathway. Biomed Pharmacother 2019; 116:108524. [PMID: 31108349 DOI: 10.1016/j.biopha.2018.12.136] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2018] [Revised: 12/25/2018] [Accepted: 12/30/2018] [Indexed: 01/29/2023] Open
Abstract
Glioma is the most common form of malignant brain cancer with high mortality rate in human. Therefore, finding effective therapeutic strategy and revealing the underlying molecular mechanism is necessary. Ampelopsin (Amp), an effective component of the traditional Chinese herb of Ampelopsis grossedentata, is reported to have important biological properties, including anti-inflammatory, anti-cancer, and anti-oxidant activity; however, its effects on human glioma are poorly understood. Here, the in vitro and in vivo study was performed to investigate the anti-glioma ability of Ampelopsin. Human glioma cell lines of U251 and A172 were treated with Ampelopsin (0, 25, 50, and 100 uM) for 24 h, followed by various analysis. And human glioma xenograft models were established by injecting U251, accompanied with administration of Ampelopsin at 50 and 100 mg/kg to confirm the anti-cancer role of Ampelopsin. We found that Ampelopsin could suppress the glioma cell proliferation by modulating G1 and S phase arrest. Incubation with Ampelopsin led to the activity of Caspase-8, Caspase-9, Caspase-3 and poly (ADP-ribose) polymerases (PARP), indicating that Ampelopsin induced apoptotic response via both intrinsic and extrinsic signaling pathways. Additionally, autophagy was also observed in Ampelopsin-treated cancer cells, which is evidenced by autophagosome formation and LC3B-II accumulation. Ampelopsin-caused cancer cell death was obviously regained by apoptosis inhibitors. Further, Ampelopsin activated c-Jun N-terminal protein kinase (JNK) expression and enhanced reactive oxygen species (ROS) generation. Suppressing JNK markedly ameliorated Ampelopsin-induced apoptosis and autophagy, and ROS scavenger exhibited similar results. In vivo, Ampelopsin inhibited tumor growth and progression in mouse xenograft models. In conclusion, our findings indicated that Ampelopsin led to G1 and S phase arrest, triggered apoptosis and autophagy through potentiating ROS generation and JNK activation in human glioma cells. Thus, Ampelopsin might be a promising candidate against human glioma.
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Hu T, Linghu K, Huang S, Battino M, Georgiev MI, Zengin G, Li D, Deng Y, Wang YT, Cao H. Flaxseed extract induces apoptosis in human breast cancer MCF-7 cells. Food Chem Toxicol 2019; 127:188-196. [PMID: 30905866 DOI: 10.1016/j.fct.2019.03.029] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Revised: 03/09/2019] [Accepted: 03/16/2019] [Indexed: 12/22/2022]
Abstract
Significant evidence indicated that flaxseed (Linum usitatissimum) possesses various positive health aspects such as reducing the risk of cancer and cardiovascular diseases. The fatty acids are considered to be responsible for these benefits of flaxseed. Herein, the in vitro effects of flaxseed extract on the growth and apoptosis of human breast cancer MCF-7 cells were investigated. The MCF-7 cells treated with flaxseed extract showed a dose-dependent decrease in cell viability. The flaxseed extract induced reactive oxygen species and the flow cytometric analysis demonstrated that flaxseed fatty acids triggered apoptosis of MCF-7 cells, which was also shown by the loss of mitochondrial membrane potential and caspase cascade reaction. Thus, the flaxseed extract regulated the growth of MCF-7 cells and induced apoptosis. Eventually, the flaxseed could be used as a dietary supplement to prevent breast cancer.
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Affiliation(s)
- Tingyan Hu
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Control in Chinese Medicine, University of Macau, Macau, China.
| | - Kegang Linghu
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Control in Chinese Medicine, University of Macau, Macau, China.
| | - Siqi Huang
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, Hunan, China.
| | - Maurizio Battino
- Department of Clinical Sciences, Faculty of Medicine, Università Politecnica Delle Marche, Ancona, Ancona, Italy.
| | - Milen I Georgiev
- Laboratory of Applied Biotechnologies, The Stephan Angeloff Institute of Microbiology, Bulgarian Academy of Sciences, Plovdiv, Bulgaria.
| | - Gokhan Zengin
- Department of Biology, Science Faculty, Selcuk University, Konya, Turkey.
| | - Defang Li
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, Hunan, China.
| | - Yun Deng
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China.
| | - Y T Wang
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Control in Chinese Medicine, University of Macau, Macau, China.
| | - Hui Cao
- Guangdong-Macau Traditional Chinese Medicine Technology Industrial Park Development Co., Ltd, Hengqin New Area, Zhuhai, Guangdong, 519031, China; School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China.
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Scandenolone from Cudrania tricuspidata fruit extract suppresses the viability of breast cancer cells (MCF-7) in vitro and in vivo. Food Chem Toxicol 2019; 126:56-66. [PMID: 30753858 DOI: 10.1016/j.fct.2019.02.020] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Revised: 01/31/2019] [Accepted: 02/08/2019] [Indexed: 12/28/2022]
Abstract
Scandenolone, an isoflavone, has shown anti-cancer potential. In this study, we extracted scandenolone from Cudrania tricuspidata fruit and evaluated its anti-breast cancer effects as well as toxicity in cell and animal models. In cell model, scandenolone suppressed the breast cancer MCF-7 cells viability, ceased mitotic cell cycle, decreased mitochondrial membrane potential, up-regulated cleaved caspase-3 and promoted the phosphorylation of p53. Additionally, this isoflavone promoted cell apoptosis and induced a sustained activation of the phosphorylation of p38 and ERK, but not JNK and Akt. The effects were further verified in a human MCF-7 breast cancer xenograft model, where scandenolone efficiently suppressed the cancer growth and increased apoptotic cells in tumor tissue. However scandenolone has also shown certain toxicity to normal hepatocytes and breast epithelial cells. It could be concluded that scandenolone suppressed the growth of breast cancer cells, but its toxicity towards normal cells might limit its potential clinical use.
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Sun J, Li P, Yang J. Repressing of NHERF1 inhibits liver cancer progression by promoting the production of ROS. Biochem Biophys Res Commun 2019; 509:8-15. [PMID: 30581004 DOI: 10.1016/j.bbrc.2018.11.121] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Accepted: 11/20/2018] [Indexed: 01/13/2023]
Abstract
NHERF1/EBP50 is a PDZ-scaffold protein initially identified as an organizer and modulator of transporters and channels at the apical side of epithelia via actin-binding ezrin-moesin-radixin proteins. Presently, hepatocellular carcinoma (HCC) is one of the most deadly cancers in the world and has no effective therapeutic strategies. In the present study, we attempted to explore the role of NHERF1 in regulating liver cancer progression. The results indicated that NHERF1 was significantly expressed in liver tumor samples compared to the corresponding adjacent normal tissues. HCC patients with low NHERF1 exhibited better survival rate. Additionally, repressing NHERF1 expression markedly down-regulated the cell proliferation. G0/G1 transition was highly induced by NHERF1 knockdown, accompanied with reduced expressions of Cyclin D1 and cyclin-dependent kinase 4 (CDK4), as well as the enhanced expression of p27, phosphatase and tensin homolog (PTEN) and p53. Moreover, NHERF1 suppression significantly induced apoptosis in liver cancer cells by promoting the activation of Caspase-3 and poly (ADP-ribose) polymerase (PARP). We also observed a remarkable increase of reactive oxygen species (ROS) production in NHERF1-knockdown cells, along with c-Jun-N-terminal kinase (JNK) phosphorylation. Importantly, suppressing ROS production abolished NHERF1 knockdown-induced JNK activation. Moreover, cell cycle-regulatory proteins meditated by NHERF1 knockdown in liver cancer cells were abrogated by the pre-treatment of ROS scavenger. Further, restraining ROS generation also diminished NHERF1 knockdown-induced apoptosis. In vivo, we also found that NHERF1 knockdown markedly reduced the tumor growth. In conclusion, the results suggested that NHERF1 played an essential role in regulating liver cancer progression, and repressing NHERF1 expression exhibited significant anticancer effects via the induction of G0/G1 phase arrest, apoptosis and ROS generation.
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Affiliation(s)
- Jing Sun
- Department of Diagnostic Radiology, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China; Department of Medical Technology, Xi'an Medical University, Xi'an, 710061, China
| | - Peng Li
- Department of Medical Technology, Xi'an Medical University, Xi'an, 710061, China
| | - Jian Yang
- Department of Diagnostic Radiology, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China.
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Chen N, Lin M, Liu N, Wang S, Xiao X. Methylmercury-induced testis damage is associated with activation of oxidative stress and germ cell autophagy. J Inorg Biochem 2019; 190:67-74. [DOI: 10.1016/j.jinorgbio.2018.10.007] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Revised: 10/15/2018] [Accepted: 10/16/2018] [Indexed: 12/22/2022]
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39
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Cho HH, Park HS, Jang SH, Won C, Kim HD, Kim TH, Cho JH. Rotenoisin A is a novel anti-adipogenic compound. Bioorg Med Chem Lett 2019; 29:89-96. [DOI: 10.1016/j.bmcl.2018.11.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Revised: 11/02/2018] [Accepted: 11/05/2018] [Indexed: 01/14/2023]
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40
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Huang Y, Chen Q, Ma P, Song H, Ma X, Ma Y, Zhou X, Gou S, Xu Z, Chen J, Xiao B. Facile Fabrication of Oxidation-Responsive Polymeric Nanoparticles for Effective Anticancer Drug Delivery. Mol Pharm 2018; 16:49-59. [DOI: 10.1021/acs.molpharmaceut.8b00634] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Yamei Huang
- Institute for Clean Energy and Advanced Materials, Faculty for Materials and Energy, Southwest University, Beibei, Chongqing 400715, P. R. China
| | - Qiubing Chen
- Institute for Clean Energy and Advanced Materials, Faculty for Materials and Energy, Southwest University, Beibei, Chongqing 400715, P. R. China
| | - Panpan Ma
- National Engineering Research Center for Healthcare Devices, Guangdong Key Lab of Medical Electronic Instruments and Polymer Material Products, Guangdong Institute of Medical Instruments, Guangzhou, Guangdong 510500, P. R. China
| | - Heliang Song
- Institute for Biomedical Sciences, Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia 30302, United States
| | - Xiaoqian Ma
- Institute for Clean Energy and Advanced Materials, Faculty for Materials and Energy, Southwest University, Beibei, Chongqing 400715, P. R. China
| | - Ya Ma
- Institute for Clean Energy and Advanced Materials, Faculty for Materials and Energy, Southwest University, Beibei, Chongqing 400715, P. R. China
| | - Xin Zhou
- Institute for Clean Energy and Advanced Materials, Faculty for Materials and Energy, Southwest University, Beibei, Chongqing 400715, P. R. China
| | - Shuangquan Gou
- Institute for Clean Energy and Advanced Materials, Faculty for Materials and Energy, Southwest University, Beibei, Chongqing 400715, P. R. China
| | - Zhigang Xu
- Institute for Clean Energy and Advanced Materials, Faculty for Materials and Energy, Southwest University, Beibei, Chongqing 400715, P. R. China
| | - Jiucun Chen
- Institute for Clean Energy and Advanced Materials, Faculty for Materials and Energy, Southwest University, Beibei, Chongqing 400715, P. R. China
| | - Bo Xiao
- Institute for Clean Energy and Advanced Materials, Faculty for Materials and Energy, Southwest University, Beibei, Chongqing 400715, P. R. China
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41
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Abou El-Kassem LT, Hawas UW, Abdelfattah MS, Mostafa AA. Rotenoid and isoflavone metabolites from an antioxidant seed extract of Dalbergia lanceolaria subsp. paniculata (roxb.) thoth. Nat Prod Res 2018; 34:613-620. [PMID: 30375885 DOI: 10.1080/14786419.2018.1491042] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
A new rotenoid named 12-O-methylrotenolol along with five known rotenoid and isoflavone metabolites were isolated from the seeds of Dalbergia lanceolaria subsp. paniculata, collected from Egypt. The structures of these compounds were identified by physical and spectroscopic data measurements ([α]D, UV, 1D- and 2D-NMR and MS). The methanol extract of the seeds exhibited strong antioxidant activity with IC50 value 0.7 µg/µl against DPPH radical, in respect to quercetin as antioxidant reference (IC50 1.5 μM), while the tested compounds from this extract showed weak activities with IC50 values ranged from 19.6 to 33.0 µM.
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Affiliation(s)
| | - Usama W Hawas
- Marine Chemistry Department, Faculty of Marine Sciences, King Abdulaziz University, Jeddah, Saudi Arabia.,Phytochemistry and Plant Systematic Department, National Research Centre, Cairo, Egypt
| | - Mohamed S Abdelfattah
- Marine Natural Products Research Unit, Faculty of Science, Helwan University, Cairo, Egypt
| | - Ayat A Mostafa
- Marine Natural Products Research Unit, Faculty of Science, Helwan University, Cairo, Egypt
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42
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Nichols BA, Oswald NW, McMillan EA, McGlynn K, Yan J, Kim MS, Saha J, Mallipeddi PL, LaDuke SA, Villalobos PA, Rodriguez-Canales J, Wistuba II, Posner BA, Davis AJ, Minna JD, MacMillan JB, Whitehurst AW. HORMAD1 Is a Negative Prognostic Indicator in Lung Adenocarcinoma and Specifies Resistance to Oxidative and Genotoxic Stress. Cancer Res 2018; 78:6196-6208. [PMID: 30185546 DOI: 10.1158/0008-5472.can-18-1377] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 07/10/2018] [Accepted: 08/30/2018] [Indexed: 12/21/2022]
Abstract
Cancer testis antigens (CTA) are expressed in testis and placenta and anomalously activated in a variety of tumors. The mechanistic contribution of CTAs to neoplastic phenotypes remains largely unknown. Using a chemigenomics approach, we find that the CTA HORMAD1 correlates with resistance to the mitochondrial complex I inhibitor piericidin A in non-small cell lung cancer (NSCLC). Resistance was due to a reductive intracellular environment that attenuated the accumulation of free radicals. In human lung adenocarcinoma (LUAD) tumors, patients expressing high HORMAD1 exhibited elevated mutational burden and reduced survival. HORMAD1 tumors were enriched for genes essential for homologous recombination (HR), and HORMAD1 promoted RAD51-filament formation, but not DNA resection, during HR. Accordingly, HORMAD1 loss enhanced sensitivity to γ-irradiation and PARP inhibition, and HORMAD1 depletion significantly reduced tumor growth in vivo These results suggest that HORMAD1 expression specifies a novel subtype of LUAD, which has adapted to mitigate DNA damage. In this setting, HORMAD1 could represent a direct target for intervention to enhance sensitivity to DNA-damaging agents or as an immunotherapeutic target in patients.Significance: This study uses a chemigenomics approach to demonstrate that anomalous expression of the CTA HORMAD1 specifies resistance to oxidative stress and promotes HR to support tumor cell survival in NSCLC. Cancer Res; 78(21); 6196-208. ©2018 AACR.
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Affiliation(s)
- Brandt A Nichols
- Simmons Comprehensive Cancer Center, UT Southwestern Medical Center, Dallas, Texas
| | - Nathaniel W Oswald
- Department of Biochemistry, UT Southwestern Medical Center, Dallas, Texas
| | | | - Kathleen McGlynn
- Simmons Comprehensive Cancer Center, UT Southwestern Medical Center, Dallas, Texas
| | - Jingsheng Yan
- Department of Clinical Sciences, UT Southwestern Medical Center, Dallas, Texas
| | - Min S Kim
- Department of Clinical Sciences, UT Southwestern Medical Center, Dallas, Texas
| | - Janapriya Saha
- Department of Radiation Oncology, UT Southwestern Medical Center, Dallas, Texas
| | - Prema L Mallipeddi
- Department of Biochemistry, UT Southwestern Medical Center, Dallas, Texas
| | - Sydnie A LaDuke
- Simmons Comprehensive Cancer Center, UT Southwestern Medical Center, Dallas, Texas
| | - Pamela A Villalobos
- Department of Translational Molecular Pathology, M.D. Anderson Cancer Center, Houston, Texas
| | - Jaime Rodriguez-Canales
- Department of Translational Molecular Pathology, M.D. Anderson Cancer Center, Houston, Texas
| | - Ignacio I Wistuba
- Department of Translational Molecular Pathology, M.D. Anderson Cancer Center, Houston, Texas
| | - Bruce A Posner
- Department of Biochemistry, UT Southwestern Medical Center, Dallas, Texas
| | - Anthony J Davis
- Department of Radiation Oncology, UT Southwestern Medical Center, Dallas, Texas
| | - John D Minna
- Simmons Comprehensive Cancer Center, UT Southwestern Medical Center, Dallas, Texas.,Hamon Center for Therapeutic Oncology Research, UT Southwestern Medical Center, Dallas, Texas
| | - John B MacMillan
- Department of Chemistry and Biochemistry, University of California Santa Cruz, Santa Cruz, California
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Synthesis and biological evaluation of Complex I inhibitor R419 and its derivatives as anticancer agents in HepG2 cells. Bioorg Med Chem Lett 2018; 28:2957-2960. [PMID: 30001917 DOI: 10.1016/j.bmcl.2018.07.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Revised: 06/22/2018] [Accepted: 07/03/2018] [Indexed: 11/23/2022]
Abstract
In this study, Complex I inhibitor R419 was firstly revealed to have significant anticancer activity against HepG2 cells (IC50 = 5.2 ± 0.9 μM). Based on this finding, a series of R419 derivatives were synthesized and biologically evaluated. As results, 9 derivatives were found to have obvious anticancer activity. Among them, H20 exhibited the most potent activity (IC50 = 2.8 ± 0.4 μM). Mechanism study revealed that H20 caused severe depletion of cellular ATP, dose-dependently activated AMPK, decreased Bcl-2/Bax ratio and induced necrotic cell death. Most importantly, H20 displayed definite inhibitory activity against Complex I.
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Wu Y, Gao WN, Xue YN, Zhang LC, Zhang JJ, Lu SY, Yan XY, Yu HM, Su J, Sun LK. SIRT3 aggravates metformin-induced energy stress and apoptosis in ovarian cancer cells. Exp Cell Res 2018; 367:137-149. [DOI: 10.1016/j.yexcr.2018.03.030] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Revised: 03/21/2018] [Accepted: 03/22/2018] [Indexed: 02/07/2023]
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45
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Zheng N, Zhang H, Li S, Wang J, Liu J, Ren H, Gao Y. Lactoferrin inhibits aflatoxin B1- and aflatoxin M1-induced cytotoxicity and DNA damage in Caco-2, HEK, Hep-G2, and SK-N-SH cells. Toxicon 2018; 150:77-85. [PMID: 29753785 DOI: 10.1016/j.toxicon.2018.04.017] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Revised: 04/02/2018] [Accepted: 04/22/2018] [Indexed: 11/16/2022]
Abstract
Aflatoxins, including aflatoxin B1 (AFB1) and M1 (AFM1), are natural potent carcinogens produced by Aspergillus spp. These compounds, which can often be detected in dairy foods, can cause diseases in human beings. However, the molecular mechanisms involved in cytotoxicity, as well as methods for intervention, remain largely unexplored. For example, it is unclear whether lactoferrin (LF), a major antioxidant in milk, can inhibit the cytotoxicity of AFB1 and AFM1. In this study, we assessed AFB1- and AFM1-induced cell toxicity by measuring cell viability, membrane permeability, and genotoxicity, and then investigated the ability of LF to protect cells against AFB1 and AFM1. In Caco-2, HEK, Hep-G2, and SK-N-SH cells, 4 μg/mL AFB1 or AFM1 significantly inhibited cell growth, increased the level of lactate dehydrogenase, induced genetic damage, and increased the levels of signal-regulated kinase (ERK1/2) and c-Jun N-terminal kinase (JNK) (p < 0.05). AFB1 was more genotoxic than AFM1 in all four cell lines, especially in Hep-G2. In Caco-2, Hep-G2, and SK-N-SH, incubation of AF-treated cells with 1000 μg/mL LF significantly decreased cytotoxicity, oxidation level, DNA damage, and levels of ERK1/2 and JNK (p < 0.05). Our data demonstrate that AFB1 or AFM1 induced cytotoxicity and DNA damage in these four cell lines, and that LF alleviated toxicity by decreasing oxidative stress mediated by mitogen-activated protein kinase pathways.
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Affiliation(s)
- Nan Zheng
- Key Laboratory of Quality & Safety Control for Milk and Dairy Products of Ministry of Agriculture, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China; Laboratory of Quality and Safety Risk Assessment for Dairy Products of Ministry of Agriculture, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China; Milk and Dairy Product Inspection Center of Ministry of Agriculture, Beijing 100193, PR China; State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China.
| | - Huan Zhang
- Department of Food Science and Engineering, Jilin University, Changchun 130000, PR China
| | - Songli Li
- Key Laboratory of Quality & Safety Control for Milk and Dairy Products of Ministry of Agriculture, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China; Laboratory of Quality and Safety Risk Assessment for Dairy Products of Ministry of Agriculture, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China; Milk and Dairy Product Inspection Center of Ministry of Agriculture, Beijing 100193, PR China; State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China
| | - Jiaqi Wang
- Key Laboratory of Quality & Safety Control for Milk and Dairy Products of Ministry of Agriculture, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China; Laboratory of Quality and Safety Risk Assessment for Dairy Products of Ministry of Agriculture, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China; Milk and Dairy Product Inspection Center of Ministry of Agriculture, Beijing 100193, PR China; State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China
| | - Jia Liu
- China National Research Institute of Food and Fermentation Industries, Beijing 100027, PR China
| | - Hui Ren
- Department of Food Science and Engineering, Jilin University, Changchun 130000, PR China
| | - Yanan Gao
- Key Laboratory of Quality & Safety Control for Milk and Dairy Products of Ministry of Agriculture, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China; Laboratory of Quality and Safety Risk Assessment for Dairy Products of Ministry of Agriculture, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China; Milk and Dairy Product Inspection Center of Ministry of Agriculture, Beijing 100193, PR China; State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China
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Rodríguez-Fanjul V, López-Torres E, Mendiola MA, Pizarro AM. Gold(III) bis(thiosemicarbazonate) compounds in breast cancer cells: Cytotoxicity and thioredoxin reductase targeting. Eur J Med Chem 2018; 148:372-383. [DOI: 10.1016/j.ejmech.2018.02.009] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Revised: 02/01/2018] [Accepted: 02/04/2018] [Indexed: 10/18/2022]
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47
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de Souza JM, Goncalves BDC, Gomez MV, Vieira LB, Ribeiro FM. Animal Toxins as Therapeutic Tools to Treat Neurodegenerative Diseases. Front Pharmacol 2018. [PMID: 29527170 PMCID: PMC5829052 DOI: 10.3389/fphar.2018.00145] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Neurodegenerative diseases affect millions of individuals worldwide. So far, no disease-modifying drug is available to treat patients, making the search for effective drugs an urgent need. Neurodegeneration is triggered by the activation of several cellular processes, including oxidative stress, mitochondrial impairment, neuroinflammation, aging, aggregate formation, glutamatergic excitotoxicity, and apoptosis. Therefore, many research groups aim to identify drugs that may inhibit one or more of these events leading to neuronal cell death. Venoms are fruitful natural sources of new molecules, which have been relentlessly enhanced by evolution through natural selection. Several studies indicate that venom components can exhibit selectivity and affinity for a wide variety of targets in mammalian systems. For instance, an expressive number of natural peptides identified in venoms from animals, such as snakes, scorpions, bees, and spiders, were shown to lessen inflammation, regulate glutamate release, modify neurotransmitter levels, block ion channel activation, decrease the number of protein aggregates, and increase the levels of neuroprotective factors. Thus, these venom components hold potential as therapeutic tools to slow or even halt neurodegeneration. However, there are many technological issues to overcome, as venom peptides are hard to obtain and characterize and the amount obtained from natural sources is insufficient to perform all the necessary experiments and tests. Fortunately, technological improvements regarding heterologous protein expression, as well as peptide chemical synthesis will help to provide enough quantities and allow chemical and pharmacological enhancements of these natural occurring compounds. Thus, the main focus of this review is to highlight the most promising studies evaluating animal toxins as therapeutic tools to treat a wide variety of neurodegenerative conditions, including Alzheimer’s disease, Parkinson’s disease, brain ischemia, glaucoma, amyotrophic lateral sclerosis, and multiple sclerosis.
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Affiliation(s)
- Jessica M de Souza
- Department of Biochemistry and Immunology, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Bruno D C Goncalves
- Department of Pharmacology, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Marcus V Gomez
- Department of Neurotransmitters, Instituto de Ensino e Pesquisa Santa Casa, Belo Horizonte, Brazil
| | - Luciene B Vieira
- Department of Pharmacology, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Fabiola M Ribeiro
- Department of Biochemistry and Immunology, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
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Fontaine E. Metformin-Induced Mitochondrial Complex I Inhibition: Facts, Uncertainties, and Consequences. Front Endocrinol (Lausanne) 2018; 9:753. [PMID: 30619086 PMCID: PMC6304344 DOI: 10.3389/fendo.2018.00753] [Citation(s) in RCA: 147] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Accepted: 11/27/2018] [Indexed: 12/24/2022] Open
Abstract
Metformin is the most widely prescribed drug to treat patients with type II diabetes, for whom retrospective studies suggest that metformin may have anticancer properties. However, in experiments performed with isolated cells, authors have reported both pro- and anti-apoptotic effects of metformin. The exact molecular mechanism of action of metformin remains partly unknown despite its use for over 60 years and more than 17,000 articles in PubMed. Among the various widely recognized or recently proposed targets, it has been reported consistently that metformin is capable of inhibiting mitochondrial respiratory chain Complex I. Since most of the effects of metformin have been replicated by other inhibitors of Complex I, it has been suggested that the mechanism of action of metformin involved the inhibition of Complex I. However, compared to conventional Complex I inhibitors, the metformin-induced inhibition of Complex I has unique characteristics. Among these, the most original one is that the concentrations of metformin required to inhibit Complex I are lower in intact cells than in isolated mitochondria. Experiments with isolated mitochondria or Complex I were generally performed using millimolar concentrations of metformin, while plasma levels remain in the micromolar range in both human and animal studies, highlighting that metformin concentration is an important issue. In order to explain the effects in animals based on observations in cells and mitochondria, some authors proposed a direct effect of the drug on Complex I involving an accumulation of metformin inside the mitochondria while others proposed an indirect effect (the drug no longer having to diffuse into the mitochondria). This brief review attempts to: gather arguments for and against each hypothesis concerning the mechanism by which metformin inhibits Complex I and to highlight remaining questions about the toxicity mechanism of metformin for certain cancer cells.
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Lewandowski M, Gwozdzinski K. Nitroxides as Antioxidants and Anticancer Drugs. Int J Mol Sci 2017; 18:ijms18112490. [PMID: 29165366 PMCID: PMC5713456 DOI: 10.3390/ijms18112490] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 11/15/2017] [Accepted: 11/16/2017] [Indexed: 02/07/2023] Open
Abstract
Nitroxides are stable free radicals that contain a nitroxyl group with an unpaired electron. In this paper, we present the properties and application of nitroxides as antioxidants and anticancer drugs. The mostly used nitroxides in biology and medicine are a group of heterocyclic nitroxide derivatives of piperidine, pyrroline and pyrrolidine. The antioxidant action of nitroxides is associated with their redox cycle. Nitroxides, unlike other antioxidants, are characterized by a catalytic mechanism of action associated with a single electron oxidation and reduction reaction. In biological conditions, they mimic superoxide dismutase (SOD), modulate hemoprotein’s catalase-like activity, scavenge reactive free radicals, inhibit the Fenton and Haber-Weiss reactions and suppress the oxidation of biological materials (peptides, proteins, lipids, etc.). The use of nitroxides as antioxidants against oxidative stress induced by anticancer drugs has also been investigated. The application of nitroxides and their derivatives as anticancer drugs is discussed in the contexts of breast, hepatic, lung, ovarian, lymphatic and thyroid cancers under in vivo and in vitro experiments. In this article, we focus on new natural spin-labelled derivatives such as camptothecin, rotenone, combretastatin, podophyllotoxin and others. The applications of nitroxides in the aging process, cardiovascular disease and pathological conditions were also discussed.
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Affiliation(s)
- Marcin Lewandowski
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, 90-136 Lodz, Poland.
| | - Krzysztof Gwozdzinski
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, 90-136 Lodz, Poland.
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Childress ES, Alexopoulos SJ, Hoehn KL, Santos WL. Small Molecule Mitochondrial Uncouplers and Their Therapeutic Potential. J Med Chem 2017; 61:4641-4655. [DOI: 10.1021/acs.jmedchem.7b01182] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Elizabeth S. Childress
- Department of Chemistry and Virginia Tech Center for Drug Discovery, Virginia Tech, Blacksburg, Virginia 24061, United States
| | - Stephanie J. Alexopoulos
- School of Biotechnology and Biomolecular Sciences, University of New South Wales, Kensington, NSW 2033, Australia
| | - Kyle L. Hoehn
- School of Biotechnology and Biomolecular Sciences, University of New South Wales, Kensington, NSW 2033, Australia
- Departments of Pharmacology and Medicine, Cardiovascular Research Center, and Emily Couric Clinical Cancer Center, University of Virginia, Charlottesville, Virginia 22908, United States
| | - Webster L. Santos
- Department of Chemistry and Virginia Tech Center for Drug Discovery, Virginia Tech, Blacksburg, Virginia 24061, United States
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