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Chen S, Liao Z, Zheng T, Zhu Y, Ye L. Protective effect of ligustrazine on oxidative stress and apoptosis following testicular torsion in rats. Sci Rep 2023; 13:20395. [PMID: 37990048 PMCID: PMC10663624 DOI: 10.1038/s41598-023-47210-9] [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: 04/29/2023] [Accepted: 11/10/2023] [Indexed: 11/23/2023] Open
Abstract
Testicular torsion is a common urologic emergency and one of the causes of infertility in males. It has been reported that ligustrazine may decrease oxidative stress and reduce ischemia-reperfusion injury. This study aims to investigate the protective effect of ligustrazine in ischemia-reperfusion injury after testicular torsion-detorsion. First, 40 rats were randomly and equally divided into TMP (Ligustrazine) group, the Testicular torsion (T/D) group, the Sham (Sham operation) group, and Control group. The left testis of rats in the TMP and T/D group was rotated for 2 h. The TMP group was intraperitoneally injected with ligustrazine solution and the T/D and the Sham groups were injected with normal saline. The left testes of four groups were obtained for assay on the 4th day after the operation. Average level of superoxide dismutase (SOD), glutathione peroxidase (GPX), and catalase (CAT) were higher in Sham and Control groups than T/D group and TMP group. Conversely, average level of malondialdehyde (MDA) and reactive oxygen species (ROS) was lower in Sham and Control groups than T/D group and TMP group. In contrast with the T/D group, SOD, GPX, and CAT enzymatic activities increased, whereas MDA and ROS content decreased in the TMP group (P < 0.05). Microscopic observation showed that the testicular tissue of the Sham and Control groups were basically normal. The TMP and T/D groups had significant testicular tissue damage, whereas the TMP group had less damage and apoptosis than the T/D group. The apoptotic index of germ cells in the TMP group (13.05 ± 4.41) was lower than the T/D group (30.23 ± 11.31) (P < 0.05) and higher (P < 0.05) than the Sham group (0.56 ± 0.29). So we found that Ligustrazine lowered ischemia-reperfusion injury after testicular torsion-detorsion by decreasing the reactive oxygen species and suppressing apoptosis.
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Affiliation(s)
- Songmao Chen
- Provincial Clinical Medical College of Fujian Medical University, Fuzhou, 350001, Fujian, China
- Department of Urology, Fujian Provincial Hospital, Fuzhou, 350001, Fujian, China
| | - Zhengjian Liao
- Department of Neurosurgery, Fujian Provincial Hospital, Fuzhou, 350001, Fujian, China
| | - Tingting Zheng
- Fujian Medical University, Fuzhou, 350122, Fujian, China
| | - Yuanfan Zhu
- Fujian Medical University, Fuzhou, 350122, Fujian, China
| | - Liefu Ye
- Department of Urology, Fujian Provincial Hospital, Fuzhou, 350001, Fujian, China.
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Wang M, Liang L, Wang R, Jia S, Xu C, Wang Y, Luo M, Lin Q, Yang M, Zhou H, Liu D, Qing C. Narciclasine, a novel topoisomerase I inhibitor, exhibited potent anti-cancer activity against cancer cells. NATURAL PRODUCTS AND BIOPROSPECTING 2023; 13:27. [PMID: 37640882 PMCID: PMC10462586 DOI: 10.1007/s13659-023-00392-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Accepted: 08/21/2023] [Indexed: 08/31/2023]
Abstract
DNA topoisomerases are essential nuclear enzymes in correcting topological DNA errors and maintaining DNA integrity. Topoisomerase inhibitors are a significant class of cancer chemotherapeutics with a definite curative effect. Natural products are a rich source of lead compounds for drug discovery, including anti-tumor drugs. In this study, we found that narciclasine (NCS), an amaryllidaceae alkaloid, is a novel inhibitor of topoisomerase I (topo I). Our data demonstrated that NCS inhibited topo I activity and reversed its unwinding effect on p-HOT DNA substrate. However, it had no obvious effect on topo II activity. The molecular mechanism of NCS inhibited topo I showed that NCS did not stabilize topo-DNA covalent complexes in cells, indicating that NCS is not a topo I poison. A blind docking result showed that NCS could bind to topo I, suggesting that NCS might be a topo I suppressor. Additionally, NCS exhibited a potent anti-proliferation effect in various cancer cells. NCS arrested the cell cycle at G2/M phase and induced cell apoptosis. Our study reveals the antitumor mechanisms of NCS and provides a good foundation for the development of anti-cancer drugs based on topo I inhibition.
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Affiliation(s)
- Meichen Wang
- School of Pharmaceutical Science and Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, 1168 Western Chunrong Road, Yuhua Street, Cheng Gong District, Kunming, 650500, Yunnan, People's Republic of China
- Yunnan Infectious Disease Hospital, 28 km at Shi'an Road, Taiping Town, Anning, Kunming, 650301, Yunnan, China
| | - Leilei Liang
- Cell Biology and Molecular Biology Laboratory of Experimental Teaching Center, Faculty of Basic Medical Science, Kunming Medical University, 1168 Western Chunrong Road, Yuhua Street, Cheng Gong District, Kunming, 650500, Yunnan, China
| | - Rong Wang
- School of Pharmaceutical Science and Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, 1168 Western Chunrong Road, Yuhua Street, Cheng Gong District, Kunming, 650500, Yunnan, People's Republic of China
| | - Shutao Jia
- School of Pharmaceutical Science and Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, 1168 Western Chunrong Road, Yuhua Street, Cheng Gong District, Kunming, 650500, Yunnan, People's Republic of China
| | - Chang Xu
- School of Pharmaceutical Science and Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, 1168 Western Chunrong Road, Yuhua Street, Cheng Gong District, Kunming, 650500, Yunnan, People's Republic of China
| | - Yuting Wang
- School of Pharmaceutical Science and Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, 1168 Western Chunrong Road, Yuhua Street, Cheng Gong District, Kunming, 650500, Yunnan, People's Republic of China
| | - Min Luo
- School of Pharmaceutical Science and Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, 1168 Western Chunrong Road, Yuhua Street, Cheng Gong District, Kunming, 650500, Yunnan, People's Republic of China
| | - Qiqi Lin
- School of Pharmaceutical Science and Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, 1168 Western Chunrong Road, Yuhua Street, Cheng Gong District, Kunming, 650500, Yunnan, People's Republic of China
| | - Min Yang
- School of Pharmaceutical Science and Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, 1168 Western Chunrong Road, Yuhua Street, Cheng Gong District, Kunming, 650500, Yunnan, People's Republic of China
| | - Hongyu Zhou
- School of Pharmaceutical Science and Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, 1168 Western Chunrong Road, Yuhua Street, Cheng Gong District, Kunming, 650500, Yunnan, People's Republic of China.
| | - Dandan Liu
- School of Pharmaceutical Science and Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, 1168 Western Chunrong Road, Yuhua Street, Cheng Gong District, Kunming, 650500, Yunnan, People's Republic of China.
| | - Chen Qing
- School of Pharmaceutical Science and Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, 1168 Western Chunrong Road, Yuhua Street, Cheng Gong District, Kunming, 650500, Yunnan, People's Republic of China.
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Jin C, Yuan S, Piao L, Ren M, Liu Q. Propofol synergizes with circAPBB2 to protect against hypoxia/reoxygenation-induced oxidative stress, inflammation, and apoptosis of human cardiomyocytes. Immun Inflamm Dis 2023; 11:e952. [PMID: 37647434 PMCID: PMC10408373 DOI: 10.1002/iid3.952] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 07/05/2023] [Accepted: 07/08/2023] [Indexed: 09/01/2023] Open
Abstract
BACKGROUND Myocardial injury is the main manifestation of cardiovascular diseases, and previous studies have shown that propofol (PPF) regulates myocardial injury. However, the mechanism of PPF in regulating myocardial injury remains to be further explored. This work aims to analyze the effects of PPF on human cardiomyocyte injury and the underlying mechanism. METHODS The regulatory and functional role of PPF and circAPBB2 in human cardiomyocyte injury were analyzed using an in vitro hypoxia/reoxygenation (H/R) cell model, which was established by treating human cardiomyocytes (AC16 cells) with H/R. The study evaluated AC16 cell injury by analyzing cytotoxicity, oxidative stress, inflammation and apoptosis of H/R-induced AC16 cells. Quantitative real-time polymerase chain reaction was performed to detect circAPBB2, miR-18a-5p and dual specificity phosphatase 14 (DUSP14) expression. Protein expression was analyzed by Western blot analysis assay. Dual-luciferase reporter assay, RNA pull-down assay and RNA immunoprecipitation assay were performed to identify the associations among circAPBB2, miR-18a-5p and DUSP14. Cytotoxicity was investigated by cell counting kit-8 assay and lactate dehydrogenase activity detection kit. Oxidative stress was evaluated by cellular reactive oxygen species assay kit and superoxide dismutase activity assay kit. The production of tumor necrosis factor-α and interleukin-1β was evaluated by enzyme-linked immunosorbent assays. RESULTS The expression of circAPBB2 and DUSP14 was significantly decreased, while miR-18a-5p was increased in H/R-induced AC16 cells when compared with controls. H/R treatment-induced cytotoxicity, oxidative stress, inflammation and cell apoptosis were attenuated after circAPBB2 overexpression or PPF treatment, whereas these effects were restored by increasing miR-18a-5p expression. PPF treatment improved the inhibitory effect of ectopic circAPBB2 expression on H/R-induced cell injury. MiR-18a-5p silencing ameliorated H/R-induced AC16 damage by interacting with DUSP14. Mechanically, circAPBB2 acted as a miR-18a-5p sponge, and miR-18a-5p targeted DUSP14 in AC16 cells. CONCLUSION PPF synergized with circAPBB2 to protect AC16 cells against H/R-induced oxidative stress, inflammation and apoptosis through the miR-18a-5p/DUSP14 pathway.
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Affiliation(s)
- Chenghao Jin
- Department of AnesthesiologyBeijing Tongren Hospital, Capital Medical UniversityBeijingChina
| | - Shunnv Yuan
- Laboratory MedicineThe Affiliated Hospital of Yanbian UniversityJilinChina
| | - Longyi Piao
- Department of OncologyJilin Central Hospital of Jilin UniversityJilinChina
| | - Mingcheng Ren
- Department of OncologyDandong Central Hospital DandongLiaoningChina
| | - Qiang Liu
- Department of AnesthesiologyBeijing Tongren Hospital, Capital Medical UniversityBeijingChina
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Gao F, Liu G, Qiao Y, Dong X, Liu L. Streptavidin-Conjugated DNA for the Boronate Affinity-Based Detection of Poly(ADP-Ribose) Polymerase-1 with Improved Sensitivity. BIOSENSORS 2023; 13:723. [PMID: 37504121 PMCID: PMC10377026 DOI: 10.3390/bios13070723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Revised: 06/24/2023] [Accepted: 07/04/2023] [Indexed: 07/29/2023]
Abstract
This work reports the development of a fluorescence method for the detection of poly(ADP-ribose) polymerase-1 (PARP1), in which a phenylboronic acid-modified fluorescein isothiocyanate dye (FITC-PBA) was used to recognize the formed poly(ADP-ribose) (PAR) polymer. The detection system was designed by conjugating recombinant streptavidin (rSA) with PARP1-specific double-stranded DNA (dsDNA) through streptavidin-biotin interaction. Capture of PARP1 via rSA-biotin-dsDNA allowed for the poly-ADP-ribosylation (PARylation) of both rSA and PARP1 in a homogeneous solution. The resulting rSA-biotin-dsDNA/PAR conjugates were then captured and separated via the commercialized nitrilotriacetic acid-nickel ion-modified magnetic bead (MB-NTA-Ni) through the interaction between NTA-Ni on MB surface and oligohistidine (His6) tag in rSA. The PAR polymer could capture the dye of FITC-PBA through the borate ester interaction between the boronic acid moiety in PBA and the cis-diol group in ribose, thus causing a decrease in fluorescence signal. The PARylation of streptavidin and the influence of steric hindrance on PARylation efficiency were confirmed using reasonable detection strategies. The method showed a wide linear range (0.01~20 U) and a low detection limit (0.01 U). This work should be valuable for the development of novel biosensors for the detection of poly(ADP-ribose) polymerases and diol-containing species.
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Affiliation(s)
- Fengli Gao
- College of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China
| | - Gang Liu
- College of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China
- College of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Yishu Qiao
- College of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China
| | - Xiuwen Dong
- College of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China
| | - Lin Liu
- College of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China
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Zhang L, Xu W, Ma X, Sun X, Fan J, Wang Y. Virus-like Particles as Antiviral Vaccine: Mechanism, Design, and Application. BIOTECHNOL BIOPROC E 2023; 28:1-16. [PMID: 36627930 PMCID: PMC9817464 DOI: 10.1007/s12257-022-0107-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 05/17/2022] [Accepted: 05/18/2022] [Indexed: 01/09/2023]
Abstract
Virus-like particles (VLPs) are viral structural protein that are noninfectious as they do not contain viral genetic materials. They are safe and effective immune stimulators and play important roles in vaccine development because of their intrinsic immunogenicity to induce cellular and humoral immune responses. In the design of antiviral vaccine, VLPs based vaccines are appealing multifunctional candidates with the advantages such as self-assembling nanoscaled structures, repetitive surface epitopes, ease of genetic and chemical modifications, versatility as antigen presenting platforms, intrinsic immunogenicity, higher safety profile in comparison with live-attenuated vaccines and inactivated vaccines. In this review, we discuss the mechanism of VLPs vaccine inducing cellular and humoral immune responses. We outline the impact of size, shape, surface charge, antigen presentation, genetic and chemical modification, and expression systems when constructing effective VLPs based vaccines. Recent applications of antiviral VLPs vaccines and their clinical trials are summarized.
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Affiliation(s)
- Lei Zhang
- Xi'an Key Laboratory of Pathogenic Microorganism and Tumor Immunity, Department of Basic Medicine, Xi'an Medical University, Xi'an, 710021, Shaanxi China
| | - Wen Xu
- Xi'an Key Laboratory of Pathogenic Microorganism and Tumor Immunity, Department of Basic Medicine, Xi'an Medical University, Xi'an, 710021, Shaanxi China
| | - Xi Ma
- Xi'an Key Laboratory of Pathogenic Microorganism and Tumor Immunity, Department of Basic Medicine, Xi'an Medical University, Xi'an, 710021, Shaanxi China
| | - XiaoJing Sun
- Xi'an Key Laboratory of Pathogenic Microorganism and Tumor Immunity, Department of Basic Medicine, Xi'an Medical University, Xi'an, 710021, Shaanxi China
| | - JinBo Fan
- Xi'an Key Laboratory of Pathogenic Microorganism and Tumor Immunity, Department of Basic Medicine, Xi'an Medical University, Xi'an, 710021, Shaanxi China
| | - Yang Wang
- Xi'an Key Laboratory of Pathogenic Microorganism and Tumor Immunity, Department of Basic Medicine, Xi'an Medical University, Xi'an, 710021, Shaanxi China
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Hou Y, Li S, Du W, Li H, Wen R. The Tumor Suppressor Role of the Ras Association Domain Family 10. Anticancer Agents Med Chem 2021; 20:2207-2215. [PMID: 32664845 DOI: 10.2174/1871520620666200714141906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 04/30/2020] [Accepted: 05/17/2020] [Indexed: 11/22/2022]
Abstract
The Ras association domain family 10(RASSF10), a tumor suppressor gene, is located on human chromosome 11p15.2, which is one of the members homologous to other N-terminal RASSF families obtained through structural prediction. RASSF10 plays an important role in inhibiting proliferation, invasion, and migration, inducing apoptosis, making cancer cells sensitive to docetaxel, and capturing G2/M phase. Some studies have found that RASSF10 may inhibit the occurrence and development of tumors by regulating Wnt/β-catenin, P53, and MMP2. Methylation of tumor suppressor gene promoter is a key factor in the development and progression of many tumors. Various methylation detection methods confirmed that the methylation and downregulation of RASSF10 often occur in various tumors, such as gastric cancer, lung cancer, colon cancer, breast cancer, and leukemia. The status of RASSF10 methylation is positively correlated with tumor size, tumor type, and TNM stage. RASSF10 methylation can be used as a prognostic factor for overall survival and disease-free survival, and is also a sign of tumor diagnosis and sensitivity to docetaxel chemotherapy. In this review, we mainly elucidate the acknowledged structure and progress in the verified functions of RASSF10 and the probably relevant signaling pathways.
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Affiliation(s)
- Yulong Hou
- Xuzhou Medical University, Xuzhou 221002, Jiangsu, China
| | - Shuofeng Li
- Affiliated Hospital of Xuzhou Medical University, Xuzhou 221002, China
| | - Wei Du
- Xuzhou Medical University, Xuzhou 221002, Jiangsu, China
| | - Hailong Li
- Affiliated Hospital of Xuzhou Medical University, Xuzhou 221002, China
| | - Rumin Wen
- Affiliated Hospital of Xuzhou Medical University, Xuzhou 221002, China
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Chen L, Xia YF, Shen SF, Tang J, Chen JL, Qian K, Chen Z, Qin ZH, Sheng R. Syntaxin 17 inhibits ischemic neuronal injury by resuming autophagy flux and ameliorating endoplasmic reticulum stress. Free Radic Biol Med 2020; 160:319-333. [PMID: 32828953 DOI: 10.1016/j.freeradbiomed.2020.08.010] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Revised: 08/13/2020] [Accepted: 08/14/2020] [Indexed: 02/06/2023]
Abstract
Previous studies have shown that syntaxin 17 (STX17) is involved in mediating the fusion of autophagosomes and lysosomes. This study aimed to investigate the role and mechanism of STX17 in neuronal injury following cerebral ischemia/reperfusion. The ischemia/reperfusion (I/R) models were established by transient middle cerebral artery occlusion (tMCAO) in mice and oxygen glucose deprivation/reperfusion (O/R) in primary cultured cortical neurons and HT22 cells. Cerebral ischemia/reperfusion significantly up-regulated the expression of STX17 in neurons. Lentivirus mediated knockdown of STX17 in neurons reduced neuronal viability and increased LDH leakage. Injection of AAV9-shSTX17 into the brain of mice then subjected to tMCAO also significantly augmented the infarct area and exacerbated neurobehavioral deficits and mortality. Depletion of STX17 caused accumulation of autophagic marker/substrate LC3 II and p62, blockade of the autophagic flux, and the accumulation of dysfunctional lysosomes. Knockdown of STX17 also aggravated endoplasmic reticulum (ER) stress-dependent neuronal apoptosis induced by ischemia/reperfusion. Importantly, induction of autophagy-lysosomal pathway and alleviation of ER stress partially rescued STX17 knockdown-induced neuronal damage. These results suggest that STX17 may ameliorate ischemia/reperfusion-induced neuronal damage by enhancing autophagy flux and reducing ER stress-dependent neuronal apoptosis.
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Affiliation(s)
- Lei Chen
- Department of Pharmacology and Laboratory of Aging and Nervous Diseases, Jiangsu Key Laboratory of Neuropsychiatric Diseases, College of Pharmaceutical Sciences of Soochow University, Suzhou, China
| | - Yun-Fei Xia
- Department of Pharmacology and Laboratory of Aging and Nervous Diseases, Jiangsu Key Laboratory of Neuropsychiatric Diseases, College of Pharmaceutical Sciences of Soochow University, Suzhou, China
| | - Shu-Fang Shen
- Department of Pharmacology and Laboratory of Aging and Nervous Diseases, Jiangsu Key Laboratory of Neuropsychiatric Diseases, College of Pharmaceutical Sciences of Soochow University, Suzhou, China
| | - Jie Tang
- Department of Pharmacology and Laboratory of Aging and Nervous Diseases, Jiangsu Key Laboratory of Neuropsychiatric Diseases, College of Pharmaceutical Sciences of Soochow University, Suzhou, China
| | - Jia-Li Chen
- Department of Pharmacology and Laboratory of Aging and Nervous Diseases, Jiangsu Key Laboratory of Neuropsychiatric Diseases, College of Pharmaceutical Sciences of Soochow University, Suzhou, China
| | - Ke Qian
- Department of Pharmacology and Laboratory of Aging and Nervous Diseases, Jiangsu Key Laboratory of Neuropsychiatric Diseases, College of Pharmaceutical Sciences of Soochow University, Suzhou, China
| | - Zhong Chen
- Department of Pharmacology, Key Laboratory of Medical Neurobiology of the Ministry of Health of China, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Zheng-Hong Qin
- Department of Pharmacology and Laboratory of Aging and Nervous Diseases, Jiangsu Key Laboratory of Neuropsychiatric Diseases, College of Pharmaceutical Sciences of Soochow University, Suzhou, China
| | - Rui Sheng
- Department of Pharmacology and Laboratory of Aging and Nervous Diseases, Jiangsu Key Laboratory of Neuropsychiatric Diseases, College of Pharmaceutical Sciences of Soochow University, Suzhou, China.
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Liu J, Geng G, Liang G, Wang L, Luo K, Yuan J, Zhao S. A novel topoisomerase I inhibitor DIA-001 induces DNA damage mediated cell cycle arrest and apoptosis in cancer cell. ANNALS OF TRANSLATIONAL MEDICINE 2020; 8:89. [PMID: 32175382 DOI: 10.21037/atm.2019.12.138] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Background DNA topoisomerase enzyme plays an essential role in controlling the DNA topology structure by binding to DNA and cutting the phosphate backbone of either one or both of the DNA strands. Here, we have identified a small molecule inhibitor, DIA-001, that directly binds to Topoisomerase 1 (Topo I) and promotes the Topo I-DNA adducts. Methods In this study, we investigated the antitumor effects of DIA-001 using MTS assay and colony formation. We examined cell cycle of tumor cells with DIA-001 treatment in vitro by flow cytometry. And we investigated DNA damage and cell cycle marker protein after treatment with DIA-001 at different concentration and time point by western blot. Immunofluorescence was performance to detect the nuclear foci. The effects of DIA-001 on Topo I and Topo II activities were examined by DNA relaxation assays. Results We demonstrate that DIA-001 inhibit DNA replication and arrest cell cycle progression at the G2/M phase by directly binds to Topo I and promotes the Topo I-DNA adducts. In addition, DIA-001 can activate the DNA damage response signaling cascade, resulting in apoptosis in treated cells. Conclusions Our findings show a novel compound for treatment of cancer cells with the potential as a chemotherapy candidate that is less toxic to normal cells.
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Affiliation(s)
- Jiaqi Liu
- Department of Neurosurgery, The First Affiliated Hospital of Harbin Medical University, Harbin 150001, China
| | - Guohe Geng
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China
| | - Guang Liang
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China
| | - Ling Wang
- Department of Pharmacy, Fujian Provincial Hospital, Provincial Clinical College of Fujian Medical University, Fuzhou 350001, China
| | - Kuntian Luo
- Research Center for Translational Medicine, East Hospital, Tongji University School of Medicine, Shanghai 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, East Hospital, Tongji University School of Medicine, Shanghai 200120, China
| | - Jian Yuan
- Research Center for Translational Medicine, East Hospital, Tongji University School of Medicine, Shanghai 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, East Hospital, Tongji University School of Medicine, Shanghai 200120, China
| | - Shiguang Zhao
- Department of Neurosurgery, The First Affiliated Hospital of Harbin Medical University, Harbin 150001, China
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Abdelatty AM, Badr OAM, Mohamed SA, Khattab MS, Dessouki SHM, Farid OAA, Elolimy AA, Sakr OG, Elhady MA, Mehesen G, Bionaz M. Long term conjugated linoleic acid supplementation modestly improved growth performance but induced testicular tissue apoptosis and reduced sperm quality in male rabbit. PLoS One 2020; 15:e0226070. [PMID: 31923252 PMCID: PMC6953797 DOI: 10.1371/journal.pone.0226070] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Accepted: 11/19/2019] [Indexed: 12/20/2022] Open
Abstract
Conjugated linoleic acid (CLA) is known for its multiple benefits including improvement of growth, increasing lean mass, and anti-carcinogenic effects. However, when used in long-term supplementations CLA does not improve semen parameters in boar and bull and reduces fertility in Japanese quails. The content of unsaturated fatty acids in dietary lipids plays a significant role in spermatogenesis owning the high proportion of unsaturated fatty acids in plasma membrane of sperms. Whether CLA plays a role in testicular tissue and epididymal fat is still unknown. Therefore, in this study we hypothesize that long-term supplementation of equal proportion of CLA isomer mix (c9,t11-CLA and t10,c12- CLA) in rabbit bucks might alter male reproductive potentials. Twelve V-Line weaned male rabbits were used in 26 weeks trial, rabbits were individually raised and randomly allocated into three dietary groups. Control group (CON) received a basal diet, a group received 0.5% CLA (CLA 0.5%), and a group received 1% CLA (CLA 1%). Rabbits were euthanized at the end of the trial and several parameters were evaluated related to growth, semen quality, and testicular and epididymal tissue histopathology and transcriptome. The long-term supplementation of CLA increased feed intake by 5% and body weight by 2-3%. CLA 1% decreased sperm progressive motility. In testicular tissue L-carnitine and α-tocopherol were decreased by CLA supplementation. In epididymal fat, CLA tended to decrease concentration of polyunsaturated fatty acids, the expression of SCD5 gene was upregulated by CLA 1% and CASP3 gene was upregulated by CLA 0.5%. Transcription of PPARG was downregulated by CLA. Feeding 1% CLA also decreased testicular epithelial thickness. Long-term supplementation of CLA modestly enhanced male rabbit growth, but negatively impacted male reproduction, especially at high dose of CLA.
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Affiliation(s)
- A. M. Abdelatty
- Department of Nutrition and Clinical Nutrition, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - O. A. M. Badr
- Department of Genetics and Genetic Engineering, Faculty of Agriculture, Benha University, Qalyubia, Egypt
| | - S. A. Mohamed
- Department of Genetics and Genetic Engineering, Faculty of Agriculture, Benha University, Qalyubia, Egypt
| | - M. S. Khattab
- Department of Pathology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - SH. M. Dessouki
- Department of Animal Production, Faculty of Agriculture, Cairo University, Giza, Egypt
| | - O. A. A. Farid
- Department of Physiology, National Organization for Drug Control and Research, Giza, Egypt
| | - A. A. Elolimy
- Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, AR, United States of America
- Arkansas Children’s Nutrition Center, Little Rock, AR, United States of America
- Department of Animal Production, National Research Centre, Giza, Egypt
| | - O. G. Sakr
- Department of Animal Production, Faculty of Agriculture, Cairo University, Giza, Egypt
| | - M. A. Elhady
- Department of Toxicology and Forensic Medicine, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - G. Mehesen
- Department of Animal Production, Faculty of Agriculture, Cairo University, Giza, Egypt
| | - M. Bionaz
- Department of Animal and Rangeland Sciences, Oregon State University, Corvallis, OR, United States of America
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Atypical Protein Kinase-C inhibitors exhibit a synergistic effect in facilitating DNA damaging effect of 5-fluorouracil in colorectal cancer cells. Biomed Pharmacother 2020; 121:109665. [DOI: 10.1016/j.biopha.2019.109665] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 11/04/2019] [Accepted: 11/07/2019] [Indexed: 01/31/2023] Open
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Lagman J, Sayegh P, Lee CS, Sulon SM, Jacinto AZ, Sok V, Peng N, Alp D, Benovic JL, So CH. G protein-coupled receptor kinase 5 modifies cancer cell resistance to paclitaxel. Mol Cell Biochem 2019; 461:103-118. [DOI: 10.1007/s11010-019-03594-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Accepted: 07/22/2019] [Indexed: 12/24/2022]
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12
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Islam SMA, Patel R, Bommareddy RR, Khalid KM, Acevedo-Duncan M. The modulation of actin dynamics via atypical Protein Kinase-C activated Cofilin regulates metastasis of colorectal cancer cells. Cell Adh Migr 2018; 13:106-120. [PMID: 30417717 PMCID: PMC6527392 DOI: 10.1080/19336918.2018.1546513] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Colorectal cancer (CRC) is the third most common cancer in the United States. The exact mechanism of CRC cells metastasis is poorly understood. Actin polymerization is thought to be an initial step in the cancer cell motility cycle which drives the formation of cell protrusions and defines the direction of migration. Cofilin, a significant actin-regulating molecule, regulates the migration of cancer cells by the formation of lamellipodia and filopodia, however, little is known about the upstream regulation of cofilin. In this study, the effect of atypical Protein Kinase C (atypical PKC) on Cofilin activity in CRC was studied. This study demonstrates that the atypical PKC inhibition impedes the metastasis of CRC cells by increasing phospho-Cofilin (S3) and changing actin organization.
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Affiliation(s)
- S M Anisul Islam
- a Department of Chemistry , University of South Florida , Tampa , FL , USA
| | - Rekha Patel
- a Department of Chemistry , University of South Florida , Tampa , FL , USA
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Ning JZ, Li W, Cheng F, Yu WM, Rao T, Ruan Y, Yuan R, Zhang XB, Zhuo D, Du Y, Xiao CC. MiR-29a Suppresses Spermatogenic Cell Apoptosis in Testicular Ischemia-Reperfusion Injury by Targeting TRPV4 Channels. Front Physiol 2017; 8:966. [PMID: 29238305 PMCID: PMC5712590 DOI: 10.3389/fphys.2017.00966] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2017] [Accepted: 11/14/2017] [Indexed: 12/13/2022] Open
Abstract
Background: MicroRNAs (miRNAs) have emerged as gene expression regulators in the progression of ischemia-reperfusion injury (IRI). Accumulating evidences have indicated miR-29a play roles in myocardial and cerebral IRI. However, the role of miR-29a in testicular IRI has not been elucidated. Methods: Changes in expression of miR-29a and Transient Receptor Potential Vanilloid 4 (TRPV4) in animal samples and GC-1 spermatogenic cells were examined. The effects of miR-29a on spermatogenic cell apoptosis in testicular IRI were analyzed both in vitro and in vivo. Results: The expression of MiR-29a was negatively correlated with the expression of TRPV4 and significantly downregulated in animal samples and GC-1 cells as testicular IRI progressed. Further studies revealed TRPV4 as a downstream target of miR-29a. Inhibition of miR-29a expression increased the expression of TRPV4 and promoted spermatogenic cell apoptosis, whereas overexpression of miR-29a downregulated TRPV4 expression and suppressed spermatogenic cell apoptosis caused by testicular IRI in vitro and in vivo. Conclusion: Our results suggest that miR-29a suppresses apoptosis induced by testicular IRI by directly targeting TRPV4.
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Affiliation(s)
- Jin-Zhuo Ning
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Wei Li
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Fan Cheng
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Wei-Min Yu
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Ting Rao
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yuan Ruan
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Run Yuan
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xiao-Bin Zhang
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Dong Zhuo
- Department of Urology, Wannan Medical College, Wuhu, China
| | - Yang Du
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Cheng-Cheng Xiao
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
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14
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iASPP facilitates tumor growth by promoting mTOR-dependent autophagy in human non-small-cell lung cancer. Cell Death Dis 2017; 8:e3150. [PMID: 29072696 PMCID: PMC5682680 DOI: 10.1038/cddis.2017.515] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Revised: 08/10/2017] [Accepted: 08/17/2017] [Indexed: 12/27/2022]
Abstract
Autophagy serves a critical function in the pathogenesis, response to therapy and clinical outcome in cancers. Although a recent report showed a role of iASPP in suppressing autophagy, its potential activity as a regulator of autophagy has not been investigated in lung cancer. Here we investigated the potential function and molecular mechanism of iASPP in mediating autophagy in human non-small-cell lung cancer. Our data suggested that forced expression of iASPP triggered autophagic flux, while inhibition of iASPP suppressed autophagy at the autophagsome formation stage in vitro. Furthermore, in vivo overexpression of iASPP in SCID/NOD mice promoted tumorigenesis and autophagy, with an increase in the conversion from LC3-I to LC3-II. The effects of iASPP were mediated through activation of mTOR pathway. Finally, cytoplasmic iASPP expression was upregulated in lung cancer patients, and was identified as an independent poor prognostic factor for lung cancer-specific death in patient samples. Taken together, our data showed that iASPP could promote tumor growth by increasing autophagic flux, and iASPP could serve as a poor prognostic factor and a potential therapeutic target in lung cancer.
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Mirhoseini M, Talebpour Amiri F, Karimpour Malekshah AA, Rezanejad Gatabi Z, Ghaffari E. Protective effects of melatonin on testis histology following acute torsion-detorsion in rats. Int J Reprod Biomed 2017. [DOI: 10.29252/ijrm.15.3.141] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
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16
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Mirhoseini M, Talebpour Amiri F, Karimpour Malekshah AA, Rezanejad Gatabi Z, Ghaffari E. Protective effects of melatonin on testis histology following acute torsion-detorsion in rats. Int J Reprod Biomed 2017; 15:141-146. [PMID: 28580446 PMCID: PMC5447830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
BACKGROUND Testicular damage due to spermatic cord torsion may lead to infertility. It is probably because of changes in oxidative stress factors such as malondialdehyde. OBJECTIVE To investigate the protective effect of melatonin (MLT), as an antioxidant, on testicular damage induced by acute unilateral spermatic cord torsion and detorsion (T/D) in rats. MATERIALS AND METHODS In this experimental study, 48 adult male Wistar rats were randomly divided into three groups (8 rats/group): sham group underwent right scrotal surgery only., the T/D group underwent right testicular torsion (for 1 hr) and detorsion, and the melatonin group underwent right testicular torsion, received 25 µg/kg melatonin intraperitoneally immediately after surgery of T/D. Then the histological parameters and malondialdehyde (MDA) changes were evaluated. RESULTS Torsion and detorsion decreased the diameter of the tubules significantly compared to controls (p=0.003). Melatonin could increase the diameter, but it was not significant (p=0.26). The heights of the epithelium were constant in sham, T/D, and melatonin groups without any significant difference between groups (p=0.98). Based on Johnsen's score, spermatogenesis was normal in the sham group. The torsion significantly injured all lineage cells (p<0.001). There was no any spermatid or sperm in the seminiferous tubules. Melatonin improved the spermatogenesis significantly (p=0.02), but could not improve MDA level significantly (p=0.99). CONCLUSION Severe degenerative changes of testis were induced by acute unilateral spermatic cord torsion and detorsion in rats, but it had no effect on MDA level.
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Affiliation(s)
- Mehri Mirhoseini
- Amol Faculty of Nursing and Midwifery, Mazandaran University of Medical Sciences, Sari, Iran.
| | - Fereshteh Talebpour Amiri
- Department of Anatomical Sciences, Immunogenetics Research Center, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.
| | - Abbas Ali Karimpour Malekshah
- Department of Anatomical Sciences, Immunogenetics Research Center, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.
| | - Zahra Rezanejad Gatabi
- Department of Pharmaceutics, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran.
| | - Elmira Ghaffari
- Department of Anatomical Sciences, Immunogenetics Research Center, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.
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Lao X, Feng Q, He G, Ji M, Zhu D, Xu P, Tang W, Xu J, Qin X. Immature Colon Carcinoma Transcript-1 (ICT1) Expression Correlates with Unfavorable Prognosis and Survival in Patients with Colorectal Cancer. Ann Surg Oncol 2016; 23:3924-3933. [PMID: 27411551 DOI: 10.1245/s10434-016-5305-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2016] [Indexed: 01/03/2023]
Abstract
BACKGROUND Colorectal cancer (CRC) is the third leading cause of death from cancer worldwide. Immature colon carcinoma transcript-1 (ICT1) has been reported to be correlated with lung cancer; however, whether ICT1 is a functional gene in CRC, as well as the molecular mechanism underlying ICT1 mediation of colorectal-tumor formation, remains unknown. METHODS The expression of ICT1 was firstly determined by using immunohistochemistry in 861 CRC specimens. The correlation of ICT1 expression with clinicopathological parameters and the survival rate was analyzed. Furthermore, we investigated the effect of ICT1 silencing on CRC cell proliferation and migration by MTT, colony formation, flow cytometry, and transwell in vitro. RESULTS ICT1 is highly expressed in a cohort of human CRCs, and that higher ICT1 expression may lead to reduced overall survival rate of CRC. Likewise, ICT1 silencing lowered the cell viability through cell-cycle arrest, inhibited cell migration, and induced apoptosis in CRC. We further revealed a novel mechanism in which ICT1 promoted CRC growth via the intracellular AMPK, SAPK/JNK, and PARP signaling pathways. CONCLUSIONS Our data showed that ICT1 could be an important target for CRC diagnosis and treatment.
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Affiliation(s)
- Xinyuan Lao
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Qingyang Feng
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Guodong He
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Meiling Ji
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Dexiang Zhu
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Pingping Xu
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Wentao Tang
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Jianmin Xu
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.
| | - Xinyu Qin
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.
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