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Amelioration of oxidative stress-mediated apoptosis in copper oxide nanoparticles-induced liver injury in rats by potent antioxidants. Sci Rep 2020; 10:10812. [PMID: 32616881 PMCID: PMC7331709 DOI: 10.1038/s41598-020-67784-y] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Accepted: 06/10/2020] [Indexed: 12/21/2022] Open
Abstract
The purpose of this study is to investigate the therapeutic efficacy of individual or combined doses of dehydro-epiandrosterone (DHEA) and quercetin in ameliorating some biochemical indices in liver of CuO-NPs intoxicated-rats. CuO-NPs (50 nm) was administered as a daily oral dose 100 mg/kg for 2 weeks to rats followed by the fore-mentioned antioxidants for 1 month. We highlighted the therapeutic effect of DHEA and quercetin against CuO-NPs toxicity through monitoring the alteration of liver enzyme activity, antioxidant defense mechanism, necrosis, apoptosis, histopathological alterations, and DNA damage. The rats given CuO-NPs only showed marked significant elevation in liver enzymes, alteration in oxidant-antioxidant balance and an elevation in the hepatic inflammatory marker; tumor necrosis factor-α. Additionally, over expression of both caspase-3 and Bax proteins were detected. Whereas, Bcl2 was down regulated and DNA fragmentation was elevated. Moreover, Histopathological examination of hepatic tissue reinforced the previous biochemical results. Co-treatment with either DHEA, quercetin alone or in combination ameliorated the deviated parameters with variable degrees against CuO-NPs toxicity in rat. In conclusion, our findings suggested that the aforementioned treatments exert therapeutic effect in CuO-NPs toxicity by diminishing oxidative stress, mRNA gene expression and hepatic tissues DNA damage.
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Bacillomycin D-C16 triggers apoptosis of gastric cancer cells through the PI3K/Akt and FoxO3a signaling pathways. Anticancer Drugs 2020; 30:46-55. [PMID: 30169424 DOI: 10.1097/cad.0000000000000688] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Bacillomycin D can inhibit the growth of Aspergillus ochraceus in food samples. In addition, it can induce apoptosis in and inhibit the proliferation of cancer cells, although the details of this mechanism are unknown. In this study, we separated bacillomycin D-C14, D-C15, D-C16 monomers from the Bacillus subtilis strain fmbJ. The bacillomycin D monomers containing longer fatty acid chains better induced apoptosis in Bgc-823, Sgc-7901, and Hgc-27 gastric cancer cells. The Bgc-823 cell line was the most sensitive. Acridine orange-ethidium bromide staining indicated that bacillomycin D-C16-induced Bgc-823 cell death by triggering apoptosis, characterized by membrane blebbing, cellular shrinkage, and DNA fragmentation. Flow cytometric analysis showed a bacillomycin D-C16 dose-dependent trigger of Bgc-823 apoptosis. Bacillomycin D-C16-induced the mitochondrial pathway, as indicated by a reduced Bcl-2/Bax expression ratio, enhanced cytochrome C release, and higher levels of cleaved caspase-3. Furthermore, bacillomycin D-C16 effectively repressed phosphorylation of the serine-threonine protein kinase Akt at Ser-473 and increased the levels of the FoxO3a protein. The combination of the PI3K/Akt-inhibitor BEZ235 with bacillomycin D-C16 enhanced the apoptosis of Bgc-823 cells. Together, these findings indicated that bacillomycin D-C16 induces apoptosis through the PI3K/Akt and FoxO3a signaling pathways.
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Simchi L, Panov J, Morsy O, Feuermann Y, Kaphzan H. Novel Insights into the Role of UBE3A in Regulating Apoptosis and Proliferation. J Clin Med 2020; 9:jcm9051573. [PMID: 32455880 PMCID: PMC7290732 DOI: 10.3390/jcm9051573] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 05/05/2020] [Accepted: 05/17/2020] [Indexed: 12/13/2022] Open
Abstract
The UBE3A gene codes for a protein with two known functions, a ubiquitin E3-ligase which catalyzes ubiquitin binding to substrate proteins and a steroid hormone receptor coactivator. UBE3A is most famous for its critical role in neuronal functioning. Lack of UBE3A protein expression leads to Angelman syndrome (AS), while its overexpression is associated with autism. In spite of extensive research, our understanding of UBE3A roles is still limited. We investigated the cellular and molecular effects of Ube3a deletion in mouse embryonic fibroblasts (MEFs) and Angelman syndrome (AS) mouse model hippocampi. Cell cultures of MEFs exhibited enhanced proliferation together with reduced apoptosis when Ube3a was deleted. These findings were supported by transcriptome and proteome analyses. Furthermore, transcriptome analyses revealed alterations in mitochondria-related genes. Moreover, an analysis of adult AS model mice hippocampi also found alterations in the expression of apoptosis- and proliferation-associated genes. Our findings emphasize the role UBE3A plays in regulating proliferation and apoptosis and sheds light into the possible effects UBE3A has on mitochondrial involvement in governing this balance.
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Yang X, Zhang M, Wei M, Wang A, Deng Y, Cao H. MicroRNA-216a inhibits neuronal apoptosis in a cellular Parkinson's disease model by targeting Bax. Metab Brain Dis 2020; 35:627-635. [PMID: 32140823 DOI: 10.1007/s11011-020-00546-x] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Accepted: 02/05/2020] [Indexed: 12/16/2022]
Abstract
The study found that microRNAs play an important role in Parkinson's disease (PD). However, the function of MicroRNA-216a (miR-216a) in PD is unclear. Therefore, this experiment aimed to investigate the pathogenesis of miR-216a in PD. Using the toxicity of MPP+ to polyhexamine neurons, apoptosis of SH-SY5Y neuroblastoma cells was induced at different time by MPP+ to construct a stable acute PD cell model. The effects of DNA breakage, mitochondrial membrane potential (A ^ m), caspase-3 activity and nucleosome enrichment on cell apoptosis were detected by flow cytometry, TUNEL. MPP+ increased the toxic effects of dopaminergic neurons in a PD model. The introduction of miR-216a inhibited MPP + -induced neuronal apoptosis. The main manifestations were the decreased levels of positive rate of Tunel cells, caspase 3 activity and nucleosome enrichment factor. Bax was a direct target of miR-216a. In addition, Bax overexpression reversed the effects of miR-216a on neural cells. Bax downstream factors were also involved in miR-216a regulation of MPP + -triggered neuronal apoptosis. miR-216a regulated the progression of PD by regulating Bax, and miR-216a may be a potential target for PD.
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Affiliation(s)
- Xiaobo Yang
- Department of Psychology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, People's Republic of China
| | - Meng Zhang
- Department of Neurology, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277 Yanta Western Road, Xi'an, Shaanxi, 710061, People's Republic of China
| | - Meng Wei
- Department of Neurology, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277 Yanta Western Road, Xi'an, Shaanxi, 710061, People's Republic of China
| | - Anqi Wang
- Department of Neurology, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277 Yanta Western Road, Xi'an, Shaanxi, 710061, People's Republic of China
| | - Yongning Deng
- Department of Neurology, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277 Yanta Western Road, Xi'an, Shaanxi, 710061, People's Republic of China
| | - Hongmei Cao
- Department of Neurology, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277 Yanta Western Road, Xi'an, Shaanxi, 710061, People's Republic of China.
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Oregano Feed Supplementation Affects Glycoconjugates Production in Swine Gut. Animals (Basel) 2020; 10:ani10010149. [PMID: 31963225 PMCID: PMC7023309 DOI: 10.3390/ani10010149] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 01/09/2020] [Accepted: 01/13/2020] [Indexed: 12/27/2022] Open
Abstract
Simple Summary The European ban towards antibiotics is increasing the number of studies on the effects of feed additives, such as plant extracts, in order to enhance the health and welfare status of domestic animals intended for human consumption. Origanum vulgare possesses multiple pharmacological characteristics and its antioxidant and antibacterial properties are particularly interesting. Besides, a recent study aimed at evaluating the effects of oregano aqueous extract supplementation in poultry nutrition gave encouraging results regarding the secretion of glycoconjugates in the gut which increases tissue hydration and protects the intestinal mucosa from pathogenic bacteria, viruses, and parasites. Therefore, we investigated the effects of oregano feed supplementation on antioxidant and defense ability of pig gut. Our results showed that there was improved production of glycoconjugates in the duodenum and colon of pigs fed with supplementation of oregano aqueous extract, enhancing protection of the mucosa of these sections of the intestine. Also, we observed an enhanced antioxidant action in the two examined gut tract samples of the group supplemented with oregano. Findings can be used in further research to identify ways to improve endogenous defense ability with to reduce antibiotic use and prevent antimicrobial resistance. Abstract This study evaluated the effects of adding oregano aqueous extract (OAE) to the diet of pig slaughtered at finisher stage. Study was performed to identify glycoconjugates and evaluate the oxidative stress levels in the duodenum and colon intestinal tracts. Glycohistochemistry was performed by staining with Periodic acid–Schiff (PAS), Alcian blue (AB) pH 2.5, AB-PAS, AB pH 1, AB pH 0.5, low iron diamine, and high iron diamine. Serial sections were pre-treated with sialidase V before staining with AB pH 2.5 (Sial-AB) preceded or not by saponification. To study oxidative stress, an immunohistochemical analysis was applied to investigate the presence of the oxidative stress target molecule Bcl-2 Associate X protein (BAX). Findings show that oregano aqueous extract supplementation improves the production of the secretion glycoconjugates involved in direct and indirect defense, thus enhancing the protection of the pig intestinal mucosa. Moreover, the reduced BAX protein immunostaining observed in both duodenum and colon of swine of the oregano-supplemented group respect to that observed in the control group suggests an enhanced antioxidant action by oregano adding. Findings could be useful for other studies aiming to reduce antibiotic use and prevent antimicrobial resistance.
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Insights into mechanisms of pranoprofen-induced apoptosis and necroptosis in human corneal stromal cells. Toxicol Lett 2019; 320:9-18. [PMID: 31765691 DOI: 10.1016/j.toxlet.2019.11.018] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Revised: 11/15/2019] [Accepted: 11/18/2019] [Indexed: 12/13/2022]
Abstract
Pranoprofen (PPF) is a wildly used anti-inflammatory ophthalmic drug. It was reported that PPF could decrease early epithelialization of scrape wounds in rabbit cornea and could reduce cell activities of cultured human corneal endothelial cells. However, effects of PPF on corneal stromal cells playing important roles in corneal wound healing remain unknown. In this study,in vitro model of cultured human corneal stomal (HCS) cells and in vivo model of rabbit corneas were used to investigate the effects and underlying mechanisms of PPF. Our findings showed that high concentrations of PPF treatment (0.1 % to 0.0125 %) caused limited chromatin condensation and quickly decreased cell viability that was proved to initiate necroptosis in HCS cells through activating receptor interacting protein kinase (RIPK) and mixed lineage kinase domain-like (MLKL). While low concentrations of PPF treatment (0.00625 %) induced DNA fragmentation, apoptotic body formation, ROS generation, activation of caspases and increase in cytoplasmic content of Bad, Bax and cytoplasmic cytochrome c that suggested apoptosis happened through ROS-mediated caspase-dependent and caspase-independent pathways. Studies of rabbit corneas treated with 0.1 % PPF (the clinical concentration) showed that PPF could induce apoptosis of rabbit corneal stromal cells. This work would be helpful for better understanding cytotoxic effects PPF on human corneal cells.
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Said RS, Mohamed HA, Kamal MM. Coenzyme Q10 mitigates ionizing radiation-induced testicular damage in rats through inhibition of oxidative stress and mitochondria-mediated apoptotic cell death. Toxicol Appl Pharmacol 2019; 383:114780. [PMID: 31618661 DOI: 10.1016/j.taap.2019.114780] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Revised: 10/05/2019] [Accepted: 10/10/2019] [Indexed: 12/24/2022]
Abstract
Radiotherapy is a common treatment modality for cancer patients; however, its use is limited by decreasing the probability of fertility in male cancer survivors. Therefore, this study aimed to define the capability of coenzyme Q10 (CoQ10), a potent stimulator of mitochondrial function, in attenuating ionizing radiation (IR)-induced spermatogenesis impairments. Male Sprague Dawley rats were exposed to a single dose of ϒ-rays (10 Gy) and/or treated with CoQ10 (10 mg/kg, orally, for 2 consecutive weeks). IR mediated irregular seminiferous tubules, which were emerged with typical morphological characteristics of apoptosis, and nuclear condensation, while CoQ10 significantly preserved the testicular structure and maintained spermatogenesis, which was displayed by higher levels of serum estradiol and testosterone. CoQ10 remarkably augmented sperm count, motility, and viability while diminished the rate of sperm-defects relatively to their counterparts after IR exposure. CoQ10 modulations in reproductive parameters were underpinned by attenuating IR-induced oxidative stress as evidenced by decreasing lipid peroxidation and increasing the antioxidant enzymes glutathione peroxidase and glutathione-s-transferase activities, and glutathione level. Supporting the involvement of CoQ10 in the anti-apoptotic response, the reduced mRNA expression levels of p53, Puma, and Bax accompanied by the increased Bcl-2 mRNA expression were observed. Subsequently, CoQ10 ameliorated the mitochondria dependent apoptotic pathway through diminishing Bax/Bcl-2 ratio, caspase-3 protein expression, and DNA fragmentation in testes of irradiated rats. Taken together, our findings showed that CoQ10 conserved against IR-induced steroidogenesis disruption through subsiding mitochondria-mediated oxidative stress injury in germinal cells.
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Affiliation(s)
- Riham S Said
- Drug Radiation Research Department, National Center for Radiation Research & Technology, Atomic Energy Authority, Cairo, Egypt.
| | - Heba A Mohamed
- Drug Radiation Research Department, National Center for Radiation Research & Technology, Atomic Energy Authority, Cairo, Egypt
| | - Mohamed M Kamal
- Pharmacology and Biochemistry Department, Faculty of Pharmacy, The British University in Egypt (BUE), Cairo, Egypt; Biochemistry Department, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
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Minocha M, Zeng J, Medema JK, Othman AA. Pharmacokinetics of the B-Cell Lymphoma 2 (Bcl-2) Inhibitor Venetoclax in Female Subjects with Systemic Lupus Erythematosus. Clin Pharmacokinet 2019; 57:1185-1198. [PMID: 29333561 DOI: 10.1007/s40262-017-0625-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
BACKGROUND AND OBJECTIVE Venetoclax is an oral selective Bcl-2 inhibitor approved for the treatment of patients with chronic lymphocytic leukemia with 17p deletion. Mechanistic and preclinical evidence warranted evaluation of venetoclax for the treatment of systemic lupus erythematosus (SLE). This work characterized the pharmacokinetics of venetoclax in female subjects with SLE. METHODS Single (10-500 mg) and multiple (30-600 mg) escalating doses of venetoclax or matching placebo were evaluated using randomized, double-blind, placebo-controlled designs (6 active and 2 placebo per dose with 73 unique SLE patients enrolled, 25 of whom enrolled twice). The multiple-dose evaluation consisted of two cycles, each with once-daily dosing for 7 days followed by a 21-day washout. Non-compartmental and population pharmacokinetic analyses of venetoclax serial plasma concentrations were conducted. RESULTS Venetoclax exhibited approximately dose-proportional exposures, with peak concentrations observed 4-8 h post-dose. Venetoclax steady-state exposures were achieved by day 4 of dosing, and the median area under the plasma concentration-time curve (AUC) accumulation ratio ranged from 1.1 to 1.5. A two-compartment model with first-order absorption and elimination described venetoclax pharmacokinetics. The estimates (95% bootstrap confidence interval) for venetoclax apparent clearance, central and peripheral volumes of distribution, intercompartmental clearance, absorption rate constant, and lag time were 16.3 L/h (14.6-17.9), 37 L (26-57), 122 L (98-183), 3.7 L/h (2.6-5.0), 0.13 h-1 (0.11-0.17), and 1.6 h (1.6-1.7), respectively. The population estimate for venetoclax terminal-phase elimination half-life was approximately 28 h. CONCLUSIONS In female subjects with SLE, venetoclax displayed pharmacokinetic characteristics consistent with previous observations in subjects with hematologic malignancies. CLINICALTRIALS. GOV IDENTIFIER NCT01686555.
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Affiliation(s)
- Mukul Minocha
- Clinical Pharmacology and Pharmacometrics, AbbVie, North Chicago, IL, 60064, USA
| | - Jiewei Zeng
- Discovery and Early Pipeline Statistics, AbbVie, North Chicago, IL, 60064, USA
| | - Jeroen K Medema
- Immunology Development, AbbVie, North Chicago, IL, 60064, USA
| | - Ahmed A Othman
- Clinical Pharmacology and Pharmacometrics, AbbVie, North Chicago, IL, 60064, USA.
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Meng J, Wang DM, Luo LL. CTRP3 acts as a novel regulator in depressive-like behavior associated inflammation and apoptosis by meditating p38 and JNK MAPK signaling. Biomed Pharmacother 2019; 120:109489. [PMID: 31629950 DOI: 10.1016/j.biopha.2019.109489] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 09/18/2019] [Accepted: 09/22/2019] [Indexed: 10/25/2022] Open
Abstract
Depression is a complicated etiological pattern, and its pathology and effective treatments are highly limited.C1q-tumor necrosis factor-related protein-3 (CTRP3) is an adipokine, playing crucial roles in metabolic regulatory properties. However, the effects of CTRP3 on depression are largely unknown. In the present study, we found that CTRP3 expression levels were markedly reduced in hippocampus of mice with depression induced by chronic unpredictable mild stress (CUMS). In mouse model with depression, CTRP3-deficient mice aggravated depression-associated behaviors, as evidenced by the reduced locomotor activity and sucrose consumption, while the elevated immobility time in the tail suspension test (TST) and forced swimming test (FST). Moreover, CUMS-induced neuron death and increased expression of cleaved Caspase-3 were significantly accelerated by CTRP3 knockout. Furthermore, CTRP3 deletion intensified pro-inflammatory response in CUMS-exposed mice, which was associated with the activation of nuclear factor-κB(NF-κB) signaling. The activity of mitogen-activated protein kinases (MAPKs), including p38 and JNK, was further promoted in hippocampus of CTRP3-knockout mice with CUMS exposure. In contrast,CTRP3 over-expression showed anti-apoptotic and anti-inflammatory effects in lipopolysaccharide (LPS)-treated microglial cells. Importantly, the in vitro experiments demonstrated that CTRP3 knockdown-exacerbated apoptosis and inflammatory responsewere remarkably abrogated by the blockage of p38 and JNK signaling pathways in microglia stimulated by LPS. Next, in CUMS-exposed mice with CTRP3 deficiency, suppressing p38 and JNK markedly alleviated depressive-like behavior,hippocampal neuron death, apoptosis and inflammation. Therefore, CTRP3 may be an innovative therapeutic target for treating patients with depression through regulating p38 and JNK signaling.
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Affiliation(s)
- Jing Meng
- Department of Geriatrics, Wuhan Mental Health Center, Wuhan, 430022, China
| | - Dong-Ming Wang
- Department of Geriatric Psychiatry, Qingdao Mental Heath Center, Qingdao, 266034, China
| | - Li-Ling Luo
- Department of Psychosomatic, The Fourth People's Hospital of Shaanxi, Xi'an, 710043, China.
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Liu M, Ai W, Sun L, Fang F, Wang X, Chen S, Wang H. Triclosan-induced liver injury in zebrafish (Danio rerio) via regulating MAPK/p53 signaling pathway. Comp Biochem Physiol C Toxicol Pharmacol 2019; 222:108-117. [PMID: 31048017 DOI: 10.1016/j.cbpc.2019.04.016] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 04/26/2019] [Accepted: 04/26/2019] [Indexed: 12/13/2022]
Abstract
Long-term exposure of triclosan (TCS), an important antimicrobial agent, can lead to deleterious effects on liver growth and development. However, the related mechanisms on TCS-induced hepatocyte injury remain unclear. Herein, we found that after long-time TCS exposure to adult zebrafish (Danio rerio) from 6 hpf (hours post-fertilization) to 90 dpf (days post-fertilization), the body weight and hepatic weight were significantly increased in concomitant with a large amount of lipid droplet accumulation in liver. Also, TCS exposure resulted in occurrence of oxidative stress by increasing the concentrations of malondialdehyde and reducing the activity of superoxide dismutase both in zebrafish larvae (120 hpf) and adult liver. By H&E staining, we observed a series of abnormal phenomena such as severely hepatocellular atrophy and necrosis, as well as prominently increased hepatic plate gap in TCS-exposure treatment groups. Through AO staining, TCS induced obvious apoptosis in larval heart and liver; through TUNEL assay, a concentration-dependent apoptosis was found to mainly occur in adult liver and its surrounding tissues. The mRNA and protein expression of anti-apoptotic protein Bcl-2 decreased, while that of pro-apoptosis protein Bax significantly increased, identifying that liver injury was closely related to hepatocyte apoptosis. The significant up-regulation of MAPK and p53 at both mRNA and protein levels proved that TCS-induced hepatocyte apoptosis was closely related to activating the MAPK/p53 signaling pathway. These results strongly suggest that long-term TCS-exposure may pose a great injury to zebrafish liver development by means of activating MAPK/p53 apoptotic signaling pathway, also lay theoretical foundation for further assessing TCS-induced ecological healthy risk.
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Affiliation(s)
- Mi Liu
- Zhejiang Provincial Key Laboratory of Medical Genetics, Key Laboratory of Laboratory Medicine, Ministry of Education, China, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou 325035, Zhejiang, China
| | - Weiming Ai
- Zhejiang Provincial Key Laboratory of Medical Genetics, Key Laboratory of Laboratory Medicine, Ministry of Education, China, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou 325035, Zhejiang, China.
| | - Limei Sun
- Zhejiang Provincial Key Laboratory of Medical Genetics, Key Laboratory of Laboratory Medicine, Ministry of Education, China, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou 325035, Zhejiang, China
| | - Fang Fang
- Zhejiang Provincial Key Laboratory of Medical Genetics, Key Laboratory of Laboratory Medicine, Ministry of Education, China, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou 325035, Zhejiang, China
| | - Xuedong Wang
- National and Local Joint Engineering Laboratory of Municipal Sewage Resource Utilization Technology, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Shaobo Chen
- Zhejiang Provincial Key Laboratory of Medical Genetics, Key Laboratory of Laboratory Medicine, Ministry of Education, China, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou 325035, Zhejiang, China; Zhejiang Mariculture Research Institute, Wenzhou 325005, China.
| | - Huili Wang
- Zhejiang Provincial Key Laboratory of Medical Genetics, Key Laboratory of Laboratory Medicine, Ministry of Education, China, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou 325035, Zhejiang, China.
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Zhen AX, Piao MJ, Hyun YJ, Kang KA, Ryu YS, Cho SJ, Kang HK, Koh YS, Ahn MJ, Kim TH, Hyun JW. Purpurogallin Protects Keratinocytes from Damage and Apoptosis Induced by Ultraviolet B Radiation and Particulate Matter 2.5. Biomol Ther (Seoul) 2019; 27:395-403. [PMID: 30419635 PMCID: PMC6609104 DOI: 10.4062/biomolther.2018.151] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 09/13/2018] [Accepted: 10/06/2018] [Indexed: 11/24/2022] Open
Abstract
Purpurogallin, a natural phenol obtained from oak nutgalls, has been shown to possess antioxidant, anticancer, and anti-inflammatory effects. Recently, in addition to ultraviolet B (UVB) radiation that induces cell apoptosis via oxidative stress, particulate matter 2.5 (PM2.5) was shown to trigger excessive production of reactive oxygen species. In this study, we observed that UVB radiation and PM2.5 severely damaged human HaCaT keratinocytes, disrupting cellular DNA, lipids, and proteins and causing mitochondrial depolarization. Purpurogallin protected HaCaT cells from apoptosis induced by UVB radiation and/or PM2.5. Furthermore, purpurogallin effectively modulates the pro-apoptotic and anti-apoptotic proteins under UVB irradiation via caspase signaling pathways. Additionally, purpurogallin reduced apoptosis via MAPK signaling pathways, as demonstrated using MAPK-p38, ERK, and JNK inhibitors. These results indicate that purpurogallin possesses antioxidant effects and protects cells from damage and apoptosis induced by UVB radiation and PM2.5.
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Affiliation(s)
- Ao Xuan Zhen
- Jeju National University School of Medicine and Jeju Research Center for Natural Medicine, Jeju 63243, Republic of Korea
| | - Mei Jing Piao
- Jeju National University School of Medicine and Jeju Research Center for Natural Medicine, Jeju 63243, Republic of Korea
| | - Yu Jae Hyun
- Jeju National University School of Medicine and Jeju Research Center for Natural Medicine, Jeju 63243, Republic of Korea
| | - Kyoung Ah Kang
- Jeju National University School of Medicine and Jeju Research Center for Natural Medicine, Jeju 63243, Republic of Korea
| | - Yea Seong Ryu
- Jeju National University School of Medicine and Jeju Research Center for Natural Medicine, Jeju 63243, Republic of Korea
| | - Suk Ju Cho
- Jeju National University School of Medicine and Jeju Research Center for Natural Medicine, Jeju 63243, Republic of Korea
| | - Hee Kyoung Kang
- Jeju National University School of Medicine and Jeju Research Center for Natural Medicine, Jeju 63243, Republic of Korea
| | - Young Sang Koh
- Jeju National University School of Medicine and Jeju Research Center for Natural Medicine, Jeju 63243, Republic of Korea
| | - Mee Jung Ahn
- Laboratory of Veterinary Anatomy, College of Veterinary Medicine, Jeju National University, Jeju 63243, Republic of Korea
| | - Tae Hoon Kim
- Department of Food Science and Biotechnology, Daegu University, Gyeongsan 38453, Republic of Korea
| | - Jin Won Hyun
- Jeju National University School of Medicine and Jeju Research Center for Natural Medicine, Jeju 63243, Republic of Korea
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Zhang T, Tang N, Xi D, Zhao Y, Liu Y, Wang L, Tang Y, Zhang X, Zhong H, He F. Calcimimetic R568 improved cardiac remodeling by classic and novel renin-angiotensin system in spontaneously hypertensive rats. Exp Biol Med (Maywood) 2019; 244:789-801. [PMID: 31159562 PMCID: PMC6643192 DOI: 10.1177/1535370219854325] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Accepted: 05/08/2019] [Indexed: 01/07/2023] Open
Abstract
One major cause of cardiac mortality is heart disease caused by hypertension. The formation of cyclic adenosine monophosphate (cAMP) is inhibited by calcium-sensitive receptor (CaSR) activation which increases intracellular Ca2+ concentrations and suppresses renin release. As we know, renin-angiotensin system (RAS) is closely related to development of essential hypertension (EH). Therefore, we focused on exploring the roles of NPSR568 (R568)-activated CaSR in cardiac remodeling of spontaneously hypertensive rats (SHRs), as well as the activity of classic and novel RAS. Wistar-Kyoto rats (WKYs) and SHRs were treated by R568 for four and eight weeks, respectively, and their blood pressure (BP), echocardiographic values, heart-to-body weight ratio (HW/BW%), and left ventricle-to-body weight ratio (LVW/BW%) were evaluated. Then Masson’s trichrome staining and hematoxylin and eosin staining as well as RT-qPCR analysis of β-isoform of myosin heavy chain and brain natriuretic peptide mRNA expression were performed. A Terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling (TUNEL) assay and analysis of apoptosis marker proteins were used to assess the extent of myocardial apoptosis. The CaSR expression and the activity of classic and novel RAS were examined by immunohistochemistry, western blotting, and enzyme-linked immunosorbent assay. The present study revealed that the development of hypertension was accompanied by increased BP, apoptosis, hypertrophy, and fibrosis, along with decreased expression of CaSR, decreased novel RAS, and increased classic RAS in myocardial tissues. R568 administration for four and eight weeks reduced BP and myocardial remodeling and reversed the low expression of CaSR; moreover, classic RAS was suppressed and novel RAS was activated in the myocardium. Taken together, these data indicate that R568 may effectively inhibit EH myocardial remodeling by inhibiting classic RAS and activating novel RAS in SHRs.
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Affiliation(s)
- Tian Zhang
- Department of Pathophysiology, Key Laboratory of Xinjiang
Endemic and Ethnic Diseases, Ministry of Education, Shihezi 832002, People’s
Republic of China
| | - Na Tang
- Department of Pathophysiology, Key Laboratory of Xinjiang
Endemic and Ethnic Diseases, Ministry of Education, Shihezi 832002, People’s
Republic of China
| | - Dongmei Xi
- Department of Pathophysiology, Key Laboratory of Xinjiang
Endemic and Ethnic Diseases, Ministry of Education, Shihezi 832002, People’s
Republic of China
| | - Yongli Zhao
- Department of Pathophysiology, Key Laboratory of Xinjiang
Endemic and Ethnic Diseases, Ministry of Education, Shihezi 832002, People’s
Republic of China
| | - Yongmin Liu
- Department of Pathophysiology, Key Laboratory of Xinjiang
Endemic and Ethnic Diseases, Ministry of Education, Shihezi 832002, People’s
Republic of China
| | - Lamei Wang
- Centre of Medical Functional Experiments, Medical College of
Shihezi University, Shihezi 832002, People’s Republic of China
| | - Yan Tang
- Department of Geriatrics, the First Affiliated Hospital of
Medical College of Shihezi University, Shihezi 832002, People’s Republic of
China
| | - Xiaoni Zhang
- Department of Pathophysiology, Key Laboratory of Xinjiang
Endemic and Ethnic Diseases, Ministry of Education, People's Republic of China
and Department of Emergency and critical care medicine, the First Affiliated
Hospital of Medical College of Shihezi University
| | - Hua Zhong
- Department of Pathophysiology, Key Laboratory of Xinjiang
Endemic and Ethnic Diseases, Ministry of Education, Shihezi 832002, People’s
Republic of China
| | - Fang He
- Department of Pathophysiology, Key Laboratory of Xinjiang
Endemic and Ethnic Diseases, Ministry of Education, Shihezi 832002, People’s
Republic of China
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Ahmad B, Khan S, Nabi G, Gamallat Y, Su P, Jamalat Y, Duan P, Yao L. Natural gypenosides: targeting cancer through different molecular pathways. Cancer Manag Res 2019; 11:2287-2297. [PMID: 31114315 PMCID: PMC6497488 DOI: 10.2147/cmar.s185232] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Accepted: 02/08/2019] [Indexed: 01/22/2023] Open
Abstract
The second foremost cause of mortality around the word is cancer. Conventional therapies, such as radiation, surgery, and chemotherapy have limited accessibility owing to secondary resistance. Therefore, convenient, safe, and nonresistant drugs are urgently needed. Plant-derived natural products have attracted considerable interest owing to their high efficacy, low toxicity, and convenience. Gypenosides (Gyp) inhibit invasion, migration, metastasis, and proliferation and induce apoptosis in different cancers, including oral, lung, colorectal, hepatocellular, and leukemic cancers through different molecular pathways. This review summarizes Gyp studies on cancer to serve as a reference for further research and clinical trials.
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Affiliation(s)
- Bashir Ahmad
- Henan Provincial Engineering Research Center for Health Products of Livestock and Poultry, Nanyang Normal University, Nanyang, People's Republic of China.,College of Basic Medical Sciences, Dalian Medical University, Dalian City, People's Republic of China
| | - Suliman Khan
- Henan Provincial Engineering Research Center for Health Products of Livestock and Poultry, Nanyang Normal University, Nanyang, People's Republic of China.,Collaborative Innovation Centre of Water Security for Water Source Region of Mid-line of South-to-North Diversion Project of Henan Province/Key Laboratory of Ecological Security for Water Source Region of Mid-line of South-to-North Diversion Project of Henan Province, School of Agricultural Engineering, Nanyang Normal University, Nanyang, People's Republic of China.,University of Chinese Academy of Sciences, Beijing, People's Republic of China
| | - Ghulam Nabi
- University of Chinese Academy of Sciences, Beijing, People's Republic of China.,Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei, People's Republic of China
| | - Yaser Gamallat
- College of Basic Medical Sciences, Dalian Medical University, Dalian City, People's Republic of China
| | - Pengyu Su
- College of Basic Medical Sciences, Dalian Medical University, Dalian City, People's Republic of China
| | - Yazeed Jamalat
- College of Basic Medical Sciences, Dalian Medical University, Dalian City, People's Republic of China
| | - Pengfei Duan
- Henan Provincial Engineering Research Center for Health Products of Livestock and Poultry, Nanyang Normal University, Nanyang, People's Republic of China.,Collaborative Innovation Centre of Water Security for Water Source Region of Mid-line of South-to-North Diversion Project of Henan Province/Key Laboratory of Ecological Security for Water Source Region of Mid-line of South-to-North Diversion Project of Henan Province, School of Agricultural Engineering, Nanyang Normal University, Nanyang, People's Republic of China
| | - Lunguang Yao
- Henan Provincial Engineering Research Center for Health Products of Livestock and Poultry, Nanyang Normal University, Nanyang, People's Republic of China.,Collaborative Innovation Centre of Water Security for Water Source Region of Mid-line of South-to-North Diversion Project of Henan Province/Key Laboratory of Ecological Security for Water Source Region of Mid-line of South-to-North Diversion Project of Henan Province, School of Agricultural Engineering, Nanyang Normal University, Nanyang, People's Republic of China
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64
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BCL-2 family isoforms in apoptosis and cancer. Cell Death Dis 2019; 10:177. [PMID: 30792387 PMCID: PMC6384907 DOI: 10.1038/s41419-019-1407-6] [Citation(s) in RCA: 380] [Impact Index Per Article: 76.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2018] [Revised: 12/17/2018] [Accepted: 01/29/2019] [Indexed: 12/17/2022]
Abstract
The BCl-2 family has long been identified for its role in apoptosis. Following the initial discovery of BCL-2 in the context of B-cell lymphoma in the 1980s, a number of homologous proteins have since been identified. The members of the Bcl-2 family are designated as such due to their BCL-2 homology (BH) domains and involvement in apoptosis regulation. The BH domains facilitate the family members’ interactions with each other and can indicate pro- or anti-apoptotic function. Traditionally, these proteins are categorised into one of the three subfamilies; anti-apoptotic, BH3-only (pro-apoptotic), and pore-forming or ‘executioner’ (pro-apoptotic) proteins. Each of the BH3-only or anti-apoptotic proteins has a distinct pattern of activation, localisation and response to cell death or survival stimuli. All of these can vary across cell or stress types, or developmental stage, and this can cause the delineation of the roles of BCL-2 family members. Added to this complexity is the presence of relatively uncharacterised isoforms of many of the BCL-2 family members. There is a gap in our knowledge regarding the function of BCL-2 family isoforms. BH domain status is not always predictive or indicative of protein function, and several other important sequences, which can contribute to apoptotic activity have been identified. While therapeutic strategies targeting the BCL-2 family are constantly under development, it is imperative that we understand the molecules, which we are attempting to target. This review, discusses our current knowledge of anti-apoptotic BCL-2 family isoforms. With significant improvements in the potential for splicing therapies, it is important that we begin to understand the distinctions of the BCL-2 family, not limited to just the mechanisms of apoptosis control, but in their roles outside of apoptosis.
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65
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Duan M, Goswami S, Shi JY, Wu LJ, Wang XY, Ma JQ, Zhang Z, Shi Y, Ma LJ, Zhang S, Xi RB, Cao Y, Zhou J, Fan J, Zhang XM, Gao Q. Activated and Exhausted MAIT Cells Foster Disease Progression and Indicate Poor Outcome in Hepatocellular Carcinoma. Clin Cancer Res 2019; 25:3304-3316. [PMID: 30723143 DOI: 10.1158/1078-0432.ccr-18-3040] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Revised: 12/25/2018] [Accepted: 02/01/2019] [Indexed: 12/26/2022]
Abstract
PURPOSE Innate immunity is an indispensable arm of tumor immune surveillance, and the liver is an organ with a predominance of innate immunity, where mucosal-associated invariant T (MAIT) cells are enriched. However, little is known about the phenotype, functions, and immunomodulatory role of MAIT cells in hepatocellular carcinoma (HCC).Experimental Design: The distribution, phenotype, and function of MAIT cells in patients with HCC were evaluated by both flow cytometry (FCM) and in vitro bioassays. Transcriptomic analysis of MAIT cells was also performed. Prognostic significance of tumor-infiltrating MAIT cells was validated in four independent cohorts of patients with HCC. RESULTS Despite their fewer densities in HCC tumor than normal liver, MAIT cells were significantly enriched in the HCC microenvironment compared with other mucosa-associated organs. Tumor-derived MAIT cells displayed a typical CCR7-CD45RA-CD45RO+CD95+ effector memory phenotype with lower costimulatory and effector capabilities. Tumor-educated MAIT cells significantly upregulated inhibitory molecules like PD-1, CTLA-4, TIM-3, secreted significantly less IFNγ and IL17, and produced minimal granzyme B and perforin while shifting to produce tumor-promoting cytokines like IL8. Transcriptome sequencing confirmed that tumor-derived MAIT cells were reprogrammed toward a tumor-promoting direction by downregulating genes enriched in pathways of cytokine secretion and cytolysis effector function like NFKB1 and STAT5B and by upregulating genes like IL8, CXCL12, and HAVCR2 (TIM-3). High infiltration of MAIT cells in HCC significantly correlated with an unfavorable clinical outcome, revealed by FCM, qRT-PCR, and multiplex IHC analyses, respectively. CONCLUSIONS HCC-infiltrating MAIT cells were functionally impaired and even reprogrammed to shift away from antitumor immunity and toward a tumor-promoting direction.See related commentary by Carbone, p. 3199.
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Affiliation(s)
- Meng Duan
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, and Key Laboratory of Carcinogenesis and Cancer Invasion (Ministry of Education), Fudan University, Shanghai, China
| | - Shyamal Goswami
- Key Laboratory of Molecular Virology & Immunology, Institut Pasteur of Shanghai, Chinese Academy of Sciences, Shanghai, China
| | - Jie-Yi Shi
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, and Key Laboratory of Carcinogenesis and Cancer Invasion (Ministry of Education), Fudan University, Shanghai, China
| | - Lin-Jie Wu
- School of Mathematical Sciences, Peking University, Beijing, China
| | - Xiao-Ying Wang
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, and Key Laboratory of Carcinogenesis and Cancer Invasion (Ministry of Education), Fudan University, Shanghai, China
| | - Jia-Qiang Ma
- Key Laboratory of Molecular Virology & Immunology, Institut Pasteur of Shanghai, Chinese Academy of Sciences, Shanghai, China
| | - Zhao Zhang
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, and Key Laboratory of Carcinogenesis and Cancer Invasion (Ministry of Education), Fudan University, Shanghai, China
| | - Yang Shi
- Peking-Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, China
| | - Li-Jie Ma
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, and Key Laboratory of Carcinogenesis and Cancer Invasion (Ministry of Education), Fudan University, Shanghai, China
| | - Shu Zhang
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, and Key Laboratory of Carcinogenesis and Cancer Invasion (Ministry of Education), Fudan University, Shanghai, China
| | - Rui-Bin Xi
- School of Mathematical Sciences, Peking University, Beijing, China.,Center for Statistical Sciences, Peking University, Beijing, China
| | - Ya Cao
- Cancer Research Institute, Xiangya School of Medicine, Central South University, Hunan, China
| | - Jian Zhou
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, and Key Laboratory of Carcinogenesis and Cancer Invasion (Ministry of Education), Fudan University, Shanghai, China.,Institute of Biomedical Sciences, Fudan University, Shanghai, China.,State Key Laboratory of Genetic Engineering, Fudan University, Shanghai, China
| | - Jia Fan
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, and Key Laboratory of Carcinogenesis and Cancer Invasion (Ministry of Education), Fudan University, Shanghai, China. .,Institute of Biomedical Sciences, Fudan University, Shanghai, China.,State Key Laboratory of Genetic Engineering, Fudan University, Shanghai, China
| | - Xiao-Ming Zhang
- Key Laboratory of Molecular Virology & Immunology, Institut Pasteur of Shanghai, Chinese Academy of Sciences, Shanghai, China.
| | - Qiang Gao
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, and Key Laboratory of Carcinogenesis and Cancer Invasion (Ministry of Education), Fudan University, Shanghai, China. .,State Key Laboratory of Genetic Engineering, Fudan University, Shanghai, China
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66
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Yang L, Xing F, Han X, Li Q, Wu H, Shi H, Wang Z, Huang F, Wu X. Astragaloside IV regulates differentiation and induces apoptosis of activated CD4 + T cells in the pathogenesis of experimental autoimmune encephalomyelitis. Toxicol Appl Pharmacol 2019; 362:105-115. [PMID: 30385269 DOI: 10.1016/j.taap.2018.10.024] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Revised: 10/25/2018] [Accepted: 10/26/2018] [Indexed: 12/20/2022]
Abstract
CD4+ T cells, especially T-helper (Th) cells (Th1, Th2 and Th17) and regulatory T cells (Treg) play pivotal role in the pathogenesis of multiple sclerosis (MS), a demyelinating autoimmune disease occurring in central nervous system (CNS). Astragaloside IV (ASI, CAS: 84687-43-4) is one of the saponins isolated from Astragalus membranceus, a traditional Chinese medicine with immunomodulatory effect. So far, whether ASI has curative effect on experimental autoimmune encephalomyelitis (EAE), an animal model of MS, and how it affects the subsets of CD4+ T cells, as well as the underlying mechanism have not been clearly elucidated. In the present study, ASI was found to ameliorate the progression and hamper the recurrence of EAE effectively in the treatment regimens. It significantly reduced the demyelination and inflammatory infiltration of CNS in EAE mice by suppressing the percentage of Th1 and Th17 cells, which was closely associated with the inhibition of JAK/STAT and NF-κB signaling pathways. ASI also increased the percentage of Treg cells in spleen and CNS, which was accompanied by elevated Foxp3. However, in vitro experiments disclosed that ASI could regulate the differentiation of Th17 and Treg cells but not Th1 cells. In addition, it induced the apoptosis of MOG-stimulated CD4+ T cells probably through modulating STAT3/Bcl-2/Bax signaling pathways. Together, our findings suggested that ASI can modulate the differentiation of autoreactive CD4+ T cells and is a potential prodrug or drug for the treatment of MS and other similar autoimmune diseases.
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Affiliation(s)
- Liu Yang
- Shanghai Key Laboratory of Compound Chinese Medicines, the Ministry of Education (MOE) Key Laboratory for Standardization of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Faping Xing
- Shanghai Key Laboratory of Compound Chinese Medicines, the Ministry of Education (MOE) Key Laboratory for Standardization of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Xinyan Han
- Shanghai Key Laboratory of Compound Chinese Medicines, the Ministry of Education (MOE) Key Laboratory for Standardization of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Qi Li
- Shanghai Key Laboratory of Compound Chinese Medicines, the Ministry of Education (MOE) Key Laboratory for Standardization of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Hui Wu
- Shanghai Key Laboratory of Compound Chinese Medicines, the Ministry of Education (MOE) Key Laboratory for Standardization of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Hailian Shi
- Shanghai Key Laboratory of Compound Chinese Medicines, the Ministry of Education (MOE) Key Laboratory for Standardization of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Zhifei Wang
- Shanghai Key Laboratory of Compound Chinese Medicines, the Ministry of Education (MOE) Key Laboratory for Standardization of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Fei Huang
- Shanghai Key Laboratory of Compound Chinese Medicines, the Ministry of Education (MOE) Key Laboratory for Standardization of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
| | - Xiaojun Wu
- Shanghai Key Laboratory of Compound Chinese Medicines, the Ministry of Education (MOE) Key Laboratory for Standardization of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
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67
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Yang W, Zhao Y, Liu N, Cao X, Xing C, Ge Q, Shang X. Changes in interleukin-10 and apoptotic genes in rats with myocardial infarction. Minerva Med 2019; 110:90-92. [DOI: 10.23736/s0026-4806.18.05645-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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68
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Li X, Yi H, Wang H. Sulphur dioxide and arsenic affect male reproduction via interfering with spermatogenesis in mice. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 165:164-173. [PMID: 30195209 DOI: 10.1016/j.ecoenv.2018.08.109] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2018] [Revised: 08/07/2018] [Accepted: 08/31/2018] [Indexed: 06/08/2023]
Abstract
As two potential environmental hazards, sulphur dioxide (SO2) and arsenic have adverse effects on male reproduction, but the mechanism of which and their combined toxicity are not clear. In this study, we investigate male reproductive toxicity with a focus on spermatogenesis by treating mice with 5 mg/m3 SO2 and/or 5 mg/L arsenic. Our results showed that arsenic exposure caused significant decreases in water and food consumption and body weight in mice, whereas these changes were not observed in the SO2-only group. Both SO2 and arsenic reduced sperm counts, increased the percentage of sperm malformation, and induced abnormal testicular pathological changes. Elevated H2O2 and MDA contents, declined T-SOD activity, decreased spermatogenic cell counts, enhanced caspase-3 activity, and increased TUNEL-positive cells were also observed in mice exposed to SO2 and/or arsenic. Moreover, SO2 and arsenic co-exposure changed the mRNA levels of Bax and Bcl-2, decreased serum testosterone levels, and downregulated the expression of steroidogenic-related genes (LHR, StAR, and ABP) in mice. These findings provide a new theoretical basis for understanding how SO2 and arsenic interfere with spermatogenesis leading to infertility. These results also suggest that SO2 and arsenic co-exposure likely result in an additive effect on male reproductive toxicity in mice.
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Affiliation(s)
- Xiujuan Li
- School of Life Science, Shanxi University, Taiyuan 030006, China; College of Environment and Resource, Shanxi University, Taiyuan 030006, China
| | - Huilan Yi
- School of Life Science, Shanxi University, Taiyuan 030006, China.
| | - Hong Wang
- School of Life Science, Shanxi University, Taiyuan 030006, China; Monell Chemical Senses Center, Philadelphia, PA, USA
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69
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Xu J, Shen W, Pei B, Wang X, Sun D, Li Y, Xiu L, Liu X, Lu Y, Zhang X, Yue X. Xiao Tan He Wei Decoction reverses MNNG-induced precancerous lesions of gastric carcinoma in vivo and vitro: Regulation of apoptosis through NF-κB pathway. Biomed Pharmacother 2018; 108:95-102. [PMID: 30218863 DOI: 10.1016/j.biopha.2018.09.012] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2018] [Revised: 08/06/2018] [Accepted: 09/03/2018] [Indexed: 02/08/2023] Open
Abstract
In recent years, Chinese medicine has played an important role in the prognosis of gastric cancer. Precancerous lesions of gastric carcinoma (PLGC) is a class of gastric cancer which is closely related to the gastric mucosal pathology changes in the role of carcinogenic incentives, and plays key role in the progression of normal gastric mucosal cells into gastric cancerous cells. In current experiment, we explore the relationship between Chinese traditional medicine (Xiao Tan He Wei Decoction) and gastric cancer in the PLGC rat animal models and epithelial-mesenchymal transitioned GES-1 cells which were induced useing 1- Methyl-3-nitro-1-nitrosoguanidine (MNNG). PLGC rat model showed significant deterioration in the gastric mucosa with terrible growth rate in body weight and more atypical hyperplasia in gastric mucosa. MC cells, MNNG induced GES-1 cells which epithelial- mesenchymal-transition (EMT)-related proteins have a great change compare with normal GES-1 cells. The cells had characteristics of malignant cells including proliferation, invasion and metastasis ability. Our research founds that Xiao Tan He Wei Decoction could inhibit cell proliferation and increased apoptosis by increase the level of pro-apoptotic proteins like Bax and caspase-3 and decreased the level of anti-apoptotic protein Bcl-2, block the cells in G0/G1 phase simultaneously. Furthermore, Xiao Tan He Wei Decoction could inhibit nuclear factor kappa-light-chain-enhancer (NF-kB) activity and inhibit its transfer from the cytoplasm to the nucleus. However, when we incubated with NF-κB activator PMA, the effect of Xiao Tan He Wei Decoction was reversed. These results suggested that Xiao Tan He Wei Decoction could be used as a method for the treatment of gastric precancerous lesions, and possibly provide a theoretical basis for the clinical treatment of gastric cancer and gastric precancerous lesions.
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Affiliation(s)
- Jingyu Xu
- Department of Traditional Chinese Medicine, Changzheng Hospital, Second Military Medical University, Shanghai, 200003, China
| | - Wei Shen
- Changjiang Road Community Health Service Center, NO. 639, Tonghe Road, Zhangmiao Street, Baoshan Qv, Shanghai, 200431, China
| | - Bei Pei
- Department of Traditional Chinese Medicine, Changzheng Hospital, Second Military Medical University, Shanghai, 200003, China
| | - Xiaowei Wang
- Department of Traditional Chinese Medicine, Changzheng Hospital, Second Military Medical University, Shanghai, 200003, China
| | - Dazhi Sun
- Department of Traditional Chinese Medicine, Changzheng Hospital, Second Military Medical University, Shanghai, 200003, China
| | - Yongjin Li
- Department of Traditional Chinese Medicine, Changzheng Hospital, Second Military Medical University, Shanghai, 200003, China
| | - LiJuan Xiu
- Department of Traditional Chinese Medicine, Changzheng Hospital, Second Military Medical University, Shanghai, 200003, China
| | - Xuan Liu
- Department of Traditional Chinese Medicine, Changzheng Hospital, Second Military Medical University, Shanghai, 200003, China
| | - Ye Lu
- Department of Traditional Chinese Medicine, Changzheng Hospital, Second Military Medical University, Shanghai, 200003, China
| | - Xuan Zhang
- Department of Traditional Chinese Medicine, Changzheng Hospital, Second Military Medical University, Shanghai, 200003, China.
| | - XiaoQiang Yue
- Department of Traditional Chinese Medicine, Changzheng Hospital, Second Military Medical University, Shanghai, 200003, China.
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70
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Chen T, Li S, Chen B, Huang Q, Kong X, Shen C, Gu H, Wang X. Akt3 is a target of miR-29c-3p and serves an important function in the pathogenesis of congenital heart disease. Int J Mol Med 2018; 43:980-992. [PMID: 30535467 DOI: 10.3892/ijmm.2018.4008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Accepted: 10/09/2018] [Indexed: 11/06/2022] Open
Affiliation(s)
- Tao Chen
- Department of Cardiothoracic Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Shu‑Jun Li
- Department of Pediatrics, Children's Hospital of Anhui Medical University, Hefei, Anhui 230000, P.R. China
| | - Bin Chen
- Department of Cardiothoracic Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Qiong Huang
- Department of Cardiothoracic Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Xiang‑Ying Kong
- Department of Cardiothoracic Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Chen Shen
- Department of Cardiothoracic Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Hai‑Tao Gu
- Department of Cardiothoracic Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Xiao‑Wei Wang
- Department of Cardiothoracic Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
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The cisplatin-induced lncRNA PANDAR dictates the chemoresistance of ovarian cancer via regulating SFRS2-mediated p53 phosphorylation. Cell Death Dis 2018; 9:1103. [PMID: 30375398 PMCID: PMC6207559 DOI: 10.1038/s41419-018-1148-y] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Revised: 09/21/2018] [Accepted: 10/10/2018] [Indexed: 01/09/2023]
Abstract
As a component of p53-dependent lncRNA (long non-coding RNA), PANDAR (the promoter of CDKN1A antisense DNA damage activated RNA) participates in the epigenetic regulation in human cancer. However, the involvement of PANDAR in cancer chemoresistance is unknown. In this study, we report that PANDAR serves as a negative regulator of cisplatin sensitivity in human ovarian cancer via PANDAR-SRFS2-p53 feedback regulation in nuclear. Our data showed that among the drugs commonly used in ovarian cancer therapy, cisplatin induces higher levels of PANDAR compared with doxorubicin and paclitaxel. We also proved that PANDAR exhibited higher expression in cisplatin-resistant ovarian cancer tissues and cells, compared with cisplatin-sensitive ones, and this expression pattern depends on wild-type p53 (wt-p53), not mutant-p53 (mt-p53). In vitro and in vivo, PANDAR overexpression improved cell survival rate and tumor growth in response to cisplatin, while depletion of PANDAR leads to a reduced tumor growth. Further investigation revealed that PANDAR-reduced cisplatin sensitivity was likely or partly due to the PANDAR-binding protein SFRS2 (arginine/serine-rich 2), a splicing factor with the ability to negative regulate p53 and its phosphorylation at Serine 15 (Ser15). This feedback regulation of PANDAR–SFRS2–p53 leads to a reduced transactivation of p53-related pro-apoptotic genes, such as PUMA (p53-upregulated modulator of apoptosis). In addition, in platinum-treated patients with relapsed ovarian cancer, resistant period was positively correlated with the expression of PANDAR and SFRS2, and inversely associated with expression of p53-Ser15 and PUMA in these clinical tissues. Last but not least, the role of PANDAR in chemoresistance was confirmed in patients with ovarian cancer. These findings reveal a novel regulatory maneuver of cancer cells in response to chemostress, and might shed light on overcoming cisplatin resistance in ovarian cancer.
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72
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Islam MA, Hooiveld GJEJ, van den Berg JHJ, van der Velpen V, Murk AJ, Rietjens IMCM, van Leeuwen FXR. Soy supplementation: Impact on gene expression in different tissues of ovariectomized rats and evaluation of the rat model to predict (post)menopausal health effect. Toxicol Rep 2018; 5:1087-1097. [PMID: 30425930 PMCID: PMC6222031 DOI: 10.1016/j.toxrep.2018.10.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2018] [Revised: 09/29/2018] [Accepted: 10/18/2018] [Indexed: 11/06/2022] Open
Abstract
The usefulness of PBMC gene expressions as a surrogate tissue for risk assessment is questionable. SIF in a dose of 2 mg/kg b.w/day is not able to influence ERGs in target tissues such as breast and uterus. Plasma concentrations of SIF after 8 weeks oral exposure similar as the recommended dose for humans do not proliferate cells in in vitro cellular models. The ovariectomized rat is probably not a good model to predict human risk or benefit assessment of SIF in human.
This toxicogenomic study was conducted to predict (post)menopausal human health effects of commercial soy supplementation using ovariectomized rats as a model. Different target tissues (i.e. breast, uterus and sternum) and non-target tissues (i.e. peripheral blood mononuclear cells (PBMC), adipose and liver) of ovariectomized F344 rats exposed to a commercially available soy supplement for eight weeks, were investigated. Changes in gene expression in these tissues were analysed using whole-genome microarray analysis. No correlation in changes in gene expression were observed among different tissues, indicating tissue specific effects of soy isoflavone supplementation. Out of 87 well-established estrogen responsive genes (ERGs), only 19 were found to be significantly regulated (p < 0.05) in different tissues, particularly in liver, adipose and uterus tissues. Surprisingly, no ERGs were significantly regulated in estrogen sensitive breast and sternum tissues. The changes in gene expression in PBMC and adipose tissue in rats were compared with those in (post)menopausal female volunteers who received the same supplement in a similar oral dose and exposure duration in human intervention studies. No correlation in changes in gene expression between rats and humans was observed. Although receiving a similar dose, in humans the plasma levels expressed as total free aglycones were several folds higher than in the rat. Therefore, the overall results in young ovariectomized female F344 rats indicated that using rat transcriptomic data does not provide a suitable model for human risk or benefit analysis of soy isoflavone supplementation.
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Affiliation(s)
- Mohammed A Islam
- Division of Toxicology, Wageningen University, Stippeneng 4, 6708 WE Wageningen, the Netherlands.,Department of Agricultural Chemistry, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh
| | - Guido J E J Hooiveld
- Division of Human Nutrition, Wageningen University, Bomenweg 2, 6703 HE Wageningen, the Netherlands
| | | | - Vera van der Velpen
- Division of Human Nutrition, Wageningen University, Bomenweg 2, 6703 HE Wageningen, the Netherlands.,Metabolomics Service and Research Unit, Faculty of Biology and Medicine, University of Lausanne, Switzerland
| | - Albertinka J Murk
- Division of Toxicology, Wageningen University, Stippeneng 4, 6708 WE Wageningen, the Netherlands.,Sub-department of Environmental Technology, Wageningen University, the Netherlands
| | - Ivonne M C M Rietjens
- Division of Toxicology, Wageningen University, Stippeneng 4, 6708 WE Wageningen, the Netherlands
| | - F X Rolaf van Leeuwen
- Division of Toxicology, Wageningen University, Stippeneng 4, 6708 WE Wageningen, the Netherlands
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73
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Bai H, Sun F, Yang G, Wang L, Zhang Q, Zhang Q, Zhan Y, Chen J, Yu M, Li C, Yin R, Yang X, Ge C. CBLB502, a Toll-like receptor 5 agonist, offers protection against radiation-induced male reproductive system damage in mice†. Biol Reprod 2018; 100:281-291. [DOI: 10.1093/biolre/ioy173] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Accepted: 07/26/2018] [Indexed: 11/14/2022] Open
Affiliation(s)
- Hao Bai
- Department of Experimental Hematology and Biochemistry, Beijing Institute of Radiation Medicine, Beijing, China
| | - Feifei Sun
- Department of Experimental Hematology and Biochemistry, Beijing Institute of Radiation Medicine, Beijing, China
- Graduate School of Anhui Medical University, Hefei, China
| | - Ganggang Yang
- College of Life Science, Henan Normal University, Xinxiang, China
- Xinxiang Key Laboratory of Genetic Engineering Medicine, Xinxiang, China
| | - Lei Wang
- Department of Experimental Hematology and Biochemistry, Beijing Institute of Radiation Medicine, Beijing, China
| | - Quanyi Zhang
- Xinxiang Key Laboratory of Genetic Engineering Medicine, Xinxiang, China
| | - Quanhai Zhang
- Xinxiang Key Laboratory of Genetic Engineering Medicine, Xinxiang, China
| | - Yiqun Zhan
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, China
| | - Jiaojiao Chen
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, China
| | - Miao Yu
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, China
| | - Changyan Li
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, China
| | - Ronghua Yin
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, China
| | - Xiaoming Yang
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, China
| | - Changhui Ge
- Department of Experimental Hematology and Biochemistry, Beijing Institute of Radiation Medicine, Beijing, China
- Graduate School of Anhui Medical University, Hefei, China
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74
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Wei T, Liu L, Zhou X. Cortex Dictamni extracts inhibit over-proliferation and migration of rat airway smooth muscle cells via FAK/p38/Bcl-2 signaling pathway. Biomed Pharmacother 2018; 102:1-8. [PMID: 29547743 DOI: 10.1016/j.biopha.2018.03.039] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Revised: 03/09/2018] [Accepted: 03/09/2018] [Indexed: 02/08/2023] Open
Abstract
Airway smooth muscle (ASM) is a prominent effecter in maintaining bronchial muscle contraction and responsible for airway hyper-responsiveness (AHR); the phenotype change and over-proliferation of airway smooth muscle cells (ASMCs) play key roles in the pathogenesis of asthma. The aim of this study was to investigate the anti-proliferation effects of Cortex Dictamni aqueous extract (CDAE) and ethanol extract (CDE) on ASMCs and the possible underline mechanisms. Cell proliferation rates were determined by MTT assay; matrix metalloproteinases-2 (MMP-2) activity was examined by gelatin zymography; cell proliferation and migration were appraised by in-vitro cell-gap closure assessment; protein expressions of p38, Bcl-2 and FAK of ASMCs were evaluated by western blotting and Ca2+ influx of cells was measured by confocal laser microscope. Our data demonstrated that the proliferation, migration and MMP-2 expressions of ASMCs were inhibited by CDAE or CDE; the protein expressions of p38, Bcl-2 and FAK in ASMCs were substantially reduced by CDAE and CDE detected by western blotting or immunocytochemistry; also the increased calcium influx has been observed instantaneously after ASMCs were stimulated by CDAE or CDE. These findings suggested that Cortex Dictamni extracts might have inhibitory effects on ASMCs over-proliferation which could be one of the underline mechanisms for the therapy of asthma.
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Affiliation(s)
- Tao Wei
- The School of Pharmaceutical Engineering and Life Science, Changzhou University, Jiangsu, 213164, China
| | - Lei Liu
- The Institute of Biomedical Engineering and Health Sciences, Changzhou University, Jiangsu, 213164, China
| | - Xiaoying Zhou
- The School of Pharmaceutical Engineering and Life Science, Changzhou University, Jiangsu, 213164, China; The School of Medicine, The University of Southampton, Southampton, SO16 6YD, UK.
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75
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Qilin pills alleviate oligoasthenospermia by inhibiting Bax-caspase-9 apoptosis pathway in the testes of model rats. Oncotarget 2018; 9:21770-21782. [PMID: 29774101 PMCID: PMC5955170 DOI: 10.18632/oncotarget.24985] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2017] [Accepted: 03/14/2018] [Indexed: 12/11/2022] Open
Abstract
At present, the treatment of oligoasthenospermia with western medicine is ineffective. Qilin pill (QLP) is a Chinese traditional medicine for treating male infertility. Recent multicenter clinical studies in China reported that QLPs markedly improved sperm quality. However, the mechanism of action of QLPs on oligoasthenospermia remains unknown. In this study, we investigated the mechanistic basis for improvement of semen parameters and reversal of testis damage by QLPs in a rat model of oligoasthenospermia induced by treatment with tripterygium glycosides (TGs) (40 mg/kg) once daily for 4 weeks. Rats were administered QLPs (1.62 g/kg or 3.24 g/kg) each day for 60 days, with untreated animals serving as controls. The concentration and motility of sperm extracted from rat epididymis were determined, whereas histopathological examination and immunohistochemical apoptosis analysis of rat testes was performed. Expression profiles of apoptosis-related genes were determined by microarray analysis; the results were validated by quantitative real-time PCR, western blotting, and immunohistochemistry. Sperm concentration and motility in the QLP treatment group were increased relative to those in control rats. Testis tissue and DNA damage were reversed by QLP treatment. The improvement function of QLPs on sperm and testis works mainly by suppressing mitochondrial apoptosis in the testis via modulation of B cell lymphoma (Bcl)-2, Bcl-2-associated X protein (Bax), cytochrome C, caspase-9 and caspase-3 expression. QLPs could improve sperm quality and testis damage in a rat model of oligoasthenospermia by inhibiting the Bax-Caspase-9 apoptosis pathway and exerting therapeutic effects.
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76
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Transmembrane E3 ligase RNF183 mediates ER stress-induced apoptosis by degrading Bcl-xL. Proc Natl Acad Sci U S A 2018; 115:E2762-E2771. [PMID: 29507230 PMCID: PMC5866564 DOI: 10.1073/pnas.1716439115] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
The accumulation of misfolded proteins in the endoplasmic reticulum (ER) causes ER stress and triggers the unfolded protein response (UPR). Failure to resolve ER stress leads to apoptotic cell death via a yet unclear mechanism. Here, we show that RNF183, a membrane-spanning RING finger protein, localizes to the ER and exhibits classic E3 ligase activities. Sustained ER stress induced by different treatments increases RNF183 protein levels posttranscriptionally in an IRE1α-dependent manner. Activated IRE1 reduces the level of miR-7, which increases the stability of RNF183 transcripts. In addition, overexpression of RNF183 leads to increased apoptosis and its depletion alleviates ER stress-induced apoptosis. Furthermore, RNF183 interacts with Bcl-xL, an antiapoptotic member of the Bcl-2 family, and polyubiquitinates Bcl-xL for degradation. Thus, RNF183 plays an important role in executing programmed cell death upon prolonged ER stress, likely by inducing apoptosis through Bcl-xL.
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77
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Qi Y, Qin X, Yang C, Wu T, Qiao Q, Song Q, Zhang Z. Micelle System Based on Molecular Economy Principle for Overcoming Multidrug Resistance and Inhibiting Metastasis. Mol Pharm 2018; 15:1005-1016. [DOI: 10.1021/acs.molpharmaceut.7b00922] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yan Qi
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, P.R. China
- Key Laboratory of Drug Targeting and Drug Delivery System, Ministry of Education, Sichuan University, Chengdu 610065, P.R. China
| | - Xianya Qin
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, P.R. China
| | - Conglian Yang
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, P.R. China
| | - Tingting Wu
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, P.R. China
| | - Qi Qiao
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, P.R. China
| | - Qingle Song
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, P.R. China
| | - Zhiping Zhang
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, P.R. China
- National Engineering Research Center for Nanomedicine, Huazhong University of Science and Technology, Wuhan 430074, P.R. China
- Hubei Engineering Research Centre for Novel Drug Delivery System, Huazhong University of Science and Technology, Wuhan 430030, P.R. China
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78
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Zhang G, Wang C, Sun M, Li J, Wang B, Jin C, Hua P, Song G, Zhang Y, Nguyen LLH, Cui R, Liu R, Wang L, Zhang X. Cinobufagin inhibits tumor growth by inducing intrinsic apoptosis through AKT signaling pathway in human nonsmall cell lung cancer cells. Oncotarget 2018; 7:28935-46. [PMID: 26959116 PMCID: PMC5045368 DOI: 10.18632/oncotarget.7898] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2015] [Accepted: 02/18/2016] [Indexed: 11/25/2022] Open
Abstract
The cinobufagin (CB) has a broad spectrum of cytotoxicity to inhibit cell proliferation of various human cancer cell lines, but the molecular mechanisms still remain elusive. Here we observed that CB inhibited the cell proliferation and tumor growth, but induced cell cycle arrest and apoptosis in a dose-dependent manner in non-small cell lung cancer (NSCLC) cells. Treatment with CB significantly increased the reactive oxygen species but decreased the mitochondrial membrane potential in NSCLC cells. These effects were markedly blocked when the cells were pretreated with N-acetylcysteine, a specific reactive oxygen species inhibitor. Furthermore, treatment with CB induced the expression of BAX but reduced that of BCL-2, BCL-XL and MCL-1, leading to an activation of caspase-3, chromatin condensation and DNA degradation in order to induce programmed cell death in NSCLC cells. In addition, treatment with CB reduced the expressions of p-AKTT308 and p-AKTS473 and inhibited the AKT/mTOR signaling pathway in NSCLC cells in a time-dependent manner. Our results suggest that CB inhibits tumor growth by inducing intrinsic apoptosis through the AKT signaling pathway in NSCLC cells.
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Affiliation(s)
- Guangxin Zhang
- Department of Thoracic Surgery, Second Hospital of Jilin University, Changchun, P.R. China
| | - Chao Wang
- Department of Genetics, University of Alabama at Birmingham, Birmingham, Alabama, USA.,Department of Integrative Endemic Area, Tongji Hospital of Huazhong University of Science and Technology, Wuhan, P.R. China
| | - Mei Sun
- Department of Pathology, Second Hospital of Jilin University, Changchun, P.R. China
| | - Jindong Li
- Department of Thoracic Surgery, Second Hospital of Jilin University, Changchun, P.R. China
| | - Bin Wang
- Department of Thoracic Surgery, Second Hospital of Jilin University, Changchun, P.R. China
| | - Chengyan Jin
- Department of Thoracic Surgery, Second Hospital of Jilin University, Changchun, P.R. China
| | - Peiyan Hua
- Department of Thoracic Surgery, Second Hospital of Jilin University, Changchun, P.R. China
| | - Ge Song
- Department of Thoracic Surgery, Second Hospital of Jilin University, Changchun, P.R. China
| | - Yifan Zhang
- Department of Thoracic Surgery, Second Hospital of Jilin University, Changchun, P.R. China
| | - Lisa L H Nguyen
- Department of Genetics, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Ranji Cui
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetic, Second Hospital of Jilin University, Changchun, P.R. China
| | - Runhua Liu
- Department of Genetics, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Lizhong Wang
- Department of Genetics, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Xingyi Zhang
- Department of Thoracic Surgery, Second Hospital of Jilin University, Changchun, P.R. China
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79
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Zhu M, Ying J, Lin C, Wang Y, Huang K, Zhou Y, Teng H. β-Escin inhibits the proliferation of osteosarcoma cells via blocking the PI3K/Akt pathway. RSC Adv 2018; 8:29637-29644. [PMID: 35547316 PMCID: PMC9085260 DOI: 10.1039/c8ra03578d] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Accepted: 08/04/2018] [Indexed: 12/05/2022] Open
Abstract
β-Escin exhibits anticancer effects on a panel of established cancer cells. However, the effects of β-escin on human osteosarcoma (OS) are still unknown. The aim of the present study was to investigate whether β-escin was effective against OS both in vivo and in vitro. Our results showed that β-escin induced dose- and time-dependent effects against MG-63, OS732, U-2OS, HOS and SAOS-2 cell proliferation. β-Escin also exhibited excellent anti-proliferative and pro-apoptotic effects in an established OS xenograft model. β-Escin and cytotoxic drugs, including cisplatin, methotrexate (MTX), doxorubicin (Dox) and ifosfamide (Ifos), synergistically inhibited proliferation of MG-63 and OS732 cells in vitro. Moreover, β-escin induced apoptotic death, activated caspase-3, caspase-8 and caspase-9, and regulated expression of Bax and Bcl-2 in MG-63 cells. In addition, our results showed that β-escin treatment reduced expression of p-PI3K, p-Akt and p-mTOR both in MG-63 cells and in an MG-63 xenograft OS model. Interestingly, SC79, which is an Akt activator, inhibited the anti-proliferative effects of β-escin on MG-63 cells. Taken together, our data support the conclusion that β-escin effectively inhibits OS proliferation both in vivo and in vitro. The inhibitory effect of β-escin, at least in part, is due to the inactivation of the PI3K/Akt signalling pathway. β-Escin exhibits anticancer effects on a panel of established cancer cells. However, the effects of β-escin on human osteosarcoma (OS) are still unknown.![]()
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Affiliation(s)
- Minyu Zhu
- Department of Spine Surgery
- The First Affiliated Hospital of Wenzhou Medical University
- Wenzhou 325000
- China
| | - Jinwei Ying
- Department of Spine Surgery
- The First Affiliated Hospital of Wenzhou Medical University
- Wenzhou 325000
- China
| | - Chaowei Lin
- Department of Spine Surgery
- The First Affiliated Hospital of Wenzhou Medical University
- Wenzhou 325000
- China
| | - Yu Wang
- Department of Spine Surgery
- The First Affiliated Hospital of Wenzhou Medical University
- Wenzhou 325000
- China
| | - Kelun Huang
- Department of Spine Surgery
- The First Affiliated Hospital of Wenzhou Medical University
- Wenzhou 325000
- China
| | - Yang Zhou
- Department of Spine Surgery
- The First Affiliated Hospital of Wenzhou Medical University
- Wenzhou 325000
- China
| | - Honglin Teng
- Department of Spine Surgery
- The First Affiliated Hospital of Wenzhou Medical University
- Wenzhou 325000
- China
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80
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Fan J, Yu S, Cui Y, Xu G, Wang L, Pan Y, He H. Bcl-2/Bax protein and mRNA expression in yak (Bos grunniens) placentomes. Theriogenology 2017; 104:23-29. [DOI: 10.1016/j.theriogenology.2017.07.045] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Revised: 07/11/2017] [Accepted: 07/28/2017] [Indexed: 01/01/2023]
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81
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Wang L, Tang X, Lv X, Sun E, Wu D, Wang C, Liu P. CHST6 mutation screening and endoplasmatic reticulum stress in macular corneal dystrophy. Oncotarget 2017; 8:96301-96312. [PMID: 29221207 PMCID: PMC5707101 DOI: 10.18632/oncotarget.22028] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Accepted: 09/20/2017] [Indexed: 01/23/2023] Open
Abstract
Macular corneal dystrophy (MCD) is an autosomal recessive disorder mainly caused by gene mutations of carbohydrate sulfotransferase (CHST6) leading to bilateral visual impairment. Because the mechanism underlying this degeneration remains poorly understood, we investigated molecular alterations and pathways that may be involved in MCD in this issue. Different mutation sites were screened by direct sequencing of the coding region of CHST6. In addition, we described morphological changes in MCD keratocytes by light microscopy and electron microscopy and determined the relationship between the development of this disease and the occurrence of apoptosis through flow cytometry, cell counting kit-8, colony formation assay and other experiments. Western blotting and quantitative real-time polymerase chain reaction were used to determine if endoplasmic reticulum (ER) stress was activated. We found 10 kinds of mutations among these families with 3 novel mutations included. The percentage of apoptotic keratocytes increased in MCD patients; furthermore, the expression of apoptosis related protein B-cell lymphoma-2 (Bcl-2) was down-regulated while Bcl-2 associated X protein was upregulated. Finally, ER stress was activated with the upregulation of glucose-regulated protein 78 and CCAAT-enhancer-binding protein homologous protein. Our clinical and in vitro results suggest that the CHST6 mutation associated with MCD is associated with apoptosis, and ER stress is probably involved in this apoptosis pathway.
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Affiliation(s)
- Liyuan Wang
- Eye Hospital, The First Affiliated Hospital of Harbin Medical University, Harbin 150001, China
| | - Xianling Tang
- Eye Hospital, The First Affiliated Hospital of Harbin Medical University, Harbin 150001, China
| | - Xiaolin Lv
- Eye Hospital, The First Affiliated Hospital of Harbin Medical University, Harbin 150001, China
| | - Encheng Sun
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150069, China
| | - Donglai Wu
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150069, China
| | - Changlin Wang
- Department of Urology, The First Affiliated Hospital of Harbin Medical University, Harbin 150001, China
| | - Ping Liu
- Eye Hospital, The First Affiliated Hospital of Harbin Medical University, Harbin 150001, China
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82
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Huang CH, Lee YC, Chen YJ, Wang LJ, Shi YJ, Chang LS. Quinacrine induces the apoptosis of human leukemia U937 cells through FOXP3/miR-183/β-TrCP/SP1 axis-mediated BAX upregulation. Toxicol Appl Pharmacol 2017; 334:35-46. [PMID: 28867437 DOI: 10.1016/j.taap.2017.08.019] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Revised: 08/21/2017] [Accepted: 08/25/2017] [Indexed: 11/23/2022]
Abstract
Quinacrine, which is clinically used as an antimalarial drug, has anti-cancer activity. However, mechanism underlying its cytotoxic effect remains to be completely elucidated. In the present study, we investigated the cytotoxic effect of quinacrine on human leukemia U937 cells. Quinacrine-induced apoptosis of U937 cells was accompanied with ROS generation, mitochondrial depolarization, and BAX upregulation. Quinacrine-treated U937 cells showed ROS-mediated p38 MAPK activation and ERK inactivation, which in turn upregulated FOXP3 transcription. FOXP3-mediated miR-183 expression decreased β-TrCP mRNA stability and suppressed β-TrCP-mediated SP1 degradation, thus increasing SP1 expression in U937 cells. Upregulated SP1 expression further increased BAX expression. BAX knock-down attenuated quinacrine-induced mitochondrial depolarization and increased the viability of quinacrine-treated cells. Together, our data indicate that quinacrine-induced apoptosis of U937 cells is mediated by mitochondrial alterations triggered by FOXP3/miR-183/β-TrCP/SP1 axis-mediated BAX upregulation.
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Affiliation(s)
- Chia-Hui Huang
- Institute of Biomedical Sciences, National Sun Yat-Sen University, Kaohsiung 804, Taiwan
| | - Yuan-Chin Lee
- Institute of Biomedical Sciences, National Sun Yat-Sen University, Kaohsiung 804, Taiwan
| | - Ying-Jung Chen
- Department of Fragrance and Cosmetic Science, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Liang-Jun Wang
- Institute of Biomedical Sciences, National Sun Yat-Sen University, Kaohsiung 804, Taiwan
| | - Yi-Jun Shi
- Institute of Biomedical Sciences, National Sun Yat-Sen University, Kaohsiung 804, Taiwan
| | - Long-Sen Chang
- Institute of Biomedical Sciences, National Sun Yat-Sen University, Kaohsiung 804, Taiwan; Department of Biotechnology, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
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83
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Ma T, Yin X, Han R, Ding J, Zhang H, Han X, Li D. Effects of In Utero Exposure to Di-n-Butyl Phthalate on Testicular Development in Rat. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2017; 14:ijerph14101284. [PMID: 29064414 PMCID: PMC5664784 DOI: 10.3390/ijerph14101284] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/17/2017] [Revised: 10/20/2017] [Accepted: 10/20/2017] [Indexed: 11/16/2022]
Abstract
Humans are inevitably exposed to ubiquitous phthalate esters (PAEs). In utero exposure to di-n-butyl phthalate (DBP) induces abnormal development of the testis and reproductive tract in male offspring, which correspond closely with the human condition of testicular dysgenesis syndrome (TDS)-like syndrome. However, the underlying mechanisms have not been elucidated in detail. In this study, pregnant rats were orally exposed to either corn oil (controls) or DBP at three different doses by gavage during Gestational Days 12.5-21.5. Pathological examinations were performed for toxicity evaluation. Proliferation and apoptosis related proteins (ras related dexamethasone induced 1 (Rasd1), mitogen-activated protein kinase kinases1/2 (MEK1/2), Bcl-2, and Bax) were measured for mechanisms exploration. The results showed that different doses of DBP caused male developmental and reproductive toxicity in rats, including the decrease of anogenital distance (AGD), the histological damage of testis, and apoptosis of seminiferous tubule cells. Our data suggested that DBP played chronic and continuous toxic roles on male reproductive system by disrupting expression of Rasd1 and MEK1/2 as well as Bcl-2/Bax ratio. Further research is warranted.
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Affiliation(s)
- Tan Ma
- Immunology and Reproduction Biology Laboratory & State Key Laboratory of Analytical Chemistry for Life Science, Medical School, Nanjing University, Nanjing 210093, China.
- Jiangsu Key Laboratory of Molecular Medicine, Nanjing University, Nanjing 210093, China.
| | - Xiaoqin Yin
- Immunology and Reproduction Biology Laboratory & State Key Laboratory of Analytical Chemistry for Life Science, Medical School, Nanjing University, Nanjing 210093, China.
- Jiangsu Key Laboratory of Molecular Medicine, Nanjing University, Nanjing 210093, China.
| | - Ruitong Han
- Immunology and Reproduction Biology Laboratory & State Key Laboratory of Analytical Chemistry for Life Science, Medical School, Nanjing University, Nanjing 210093, China.
- Jiangsu Key Laboratory of Molecular Medicine, Nanjing University, Nanjing 210093, China.
| | - Jie Ding
- Immunology and Reproduction Biology Laboratory & State Key Laboratory of Analytical Chemistry for Life Science, Medical School, Nanjing University, Nanjing 210093, China.
- Jiangsu Key Laboratory of Molecular Medicine, Nanjing University, Nanjing 210093, China.
| | - Huan Zhang
- Department of Clinical and Experimental Medicine, Linköping University, SE-581 83 Linköping, Sweden.
| | - Xiaodong Han
- Immunology and Reproduction Biology Laboratory & State Key Laboratory of Analytical Chemistry for Life Science, Medical School, Nanjing University, Nanjing 210093, China.
- Jiangsu Key Laboratory of Molecular Medicine, Nanjing University, Nanjing 210093, China.
| | - Dongmei Li
- Immunology and Reproduction Biology Laboratory & State Key Laboratory of Analytical Chemistry for Life Science, Medical School, Nanjing University, Nanjing 210093, China.
- Jiangsu Key Laboratory of Molecular Medicine, Nanjing University, Nanjing 210093, China.
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84
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Feng T, Wang L, Zhou N, Liu C, Cui J, Wu R, Jing J, Zhang S, Chen H, Wang S. Salidroside, a scavenger of ROS, enhances the radioprotective effect of Ex-RAD® via a p53-dependent apoptotic pathway. Oncol Rep 2017; 38:3094-3102. [PMID: 28901519 DOI: 10.3892/or.2017.5940] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Accepted: 08/09/2017] [Indexed: 11/05/2022] Open
Abstract
Salidroside (Sal), the predominant component of a Chinese medicinal herb, Rhodiola rosea L., has become an attractive bioagent due to its significant anti-radiation, antioxidant and immune adjustment effects. We explored the radioprotective effect of Sal to ascertain whether it could enhance the anti-radiation effect of ON 01210.Na (Ex-RAD®) in vivo and in vitro, and elucidate its underlying mechanism. Our data demonstrated that Sal inhibited radiation-induced apoptosis, scavenged reactive oxygen species (ROS), and decreased the DNA damage of human umbilical vein endothelial cells (HUVECs). Sal downregulated the expression of Bax and p53 and increased the ratio of Bcl-2/Bax, which indicated that Sal inhibited the radiation-induced apoptosis through p53-dependent pathways. The radioprotection of the Sal pretreatment was also evidenced by an increasing survival rate of the mice, maintaining antioxidant enzyme levels in the liver, and accelerating hematopoietic recovery. The results suggest that Sal exhibits an excellent radioprotective effect with powerful antioxidant activity in vitro and in vivo. Sal enhanced the radioprotective effect of Ex-RAD by improving the antioxidant effect, the scavenging of ROS, by accelerating hematopoietic recovery and DNA repair as well as by regulating apoptotic and repair signaling pathways. Combined modality treatments were more effective than single-agent treatments, demonstrating the value of multiple-agent radioprotectants.
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Affiliation(s)
- Tian Feng
- Department of Medicinal Chemistry, School of Pharmacy, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Libin Wang
- Department of Medicinal Chemistry, School of Pharmacy, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Nan Zhou
- Department of Medicinal Chemistry, School of Pharmacy, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Chang Liu
- Department of Medicinal Chemistry, School of Pharmacy, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Jiahui Cui
- Department of Medicinal Chemistry, School of Pharmacy, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Rangxin Wu
- Department of Medicinal Chemistry, School of Pharmacy, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Juan Jing
- Department of Medicinal Chemistry, School of Pharmacy, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Shengyong Zhang
- Department of Medicinal Chemistry, School of Pharmacy, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Hui Chen
- Department of Medicinal Chemistry, School of Pharmacy, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Siwang Wang
- Institute of Materia Medica, School of Pharmacy, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
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85
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Wu X, Shaikh AB, Yu Y, Li Y, Ni S, Lu A, Zhang G. Potential Diagnostic and Therapeutic Applications of Oligonucleotide Aptamers in Breast Cancer. Int J Mol Sci 2017; 18:ijms18091851. [PMID: 28841163 PMCID: PMC5618500 DOI: 10.3390/ijms18091851] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Revised: 08/23/2017] [Accepted: 08/23/2017] [Indexed: 12/18/2022] Open
Abstract
Breast cancer is one of the most common causes of cancer related deaths in women. Currently, with the development of early detection, increased social awareness and kinds of treatment options, survival rate has improved in nearly every type of breast cancer patients. However, about one third patients still have increased chances of recurrence within five years and the five-year relative survival rate in patients with metastasis is less than 30%. Breast cancer contains multiple subtypes. Each subtype could cause distinct clinical outcomes and systemic interventions. Thereby, new targeted therapies are of particular importance to solve this major clinical problem. Aptamers, often termed “chemical antibodies”, are functionally similar to antibodies and have demonstrated their superiority of recognizing target with high selectivity, affinity and stability. With these intrinsic properties, aptamers have been widely studied in cancer biology and some are in clinical trials. In this review, we will firstly discuss about the global impacts and mechanisms of breast cancer, then briefly highlight applications of aptamers that have been developed for breast cancer and finally summarize various challenges in clinical translation of aptamers.
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Affiliation(s)
| | - Atik Badshah Shaikh
- Institute for Advancing Translational Medicine in Bone & Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University (HKBU), Hong Kong 999077, China.
| | - Yuanyuan Yu
- Institute for Advancing Translational Medicine in Bone & Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University (HKBU), Hong Kong 999077, China.
| | - Yongshu Li
- Institute for Advancing Translational Medicine in Bone & Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University (HKBU), Hong Kong 999077, China.
| | - Shuaijian Ni
- Institute for Advancing Translational Medicine in Bone & Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University (HKBU), Hong Kong 999077, China.
| | - Aiping Lu
- Institute for Advancing Translational Medicine in Bone & Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University (HKBU), Hong Kong 999077, China.
| | - Ge Zhang
- Institute for Advancing Translational Medicine in Bone & Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University (HKBU), Hong Kong 999077, China.
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86
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Apoptosis in inner ear sensory hair cells. J Otol 2017; 12:151-164. [PMID: 29937851 PMCID: PMC6002637 DOI: 10.1016/j.joto.2017.08.001] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Revised: 07/31/2017] [Accepted: 08/04/2017] [Indexed: 01/13/2023] Open
Abstract
Apoptosis, or controlled cell death, is a normal part of cellular lifespan. Cell death of cochlear hair cells causes deafness; an apoptotic process that is not well understood. Worldwide, 1.3 billion humans suffer some form of hearing loss, while 360 million suffer debilitating hearing loss as a direct result of the absence of these cochlear hair cells (Worldwide Hearing, 2014). Much is known about apoptosis in other systems and in other cell types thanks to studies done since the mid-20th century. Here we review current literature on apoptosis in general, and causes of deafness and cochlear hair cells loss as a result of apoptosis. The family of B-cell lymphoma (Bcl) proteins are among the most studied and characterized. We will review current literature on the Bcl2 and Bcl6 protein interactions in relation to apoptosis and their possible roles in vulnerability and survival of cochlear hair cells.
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87
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Rubio-Perez C, Guney E, Aguilar D, Piñero J, Garcia-Garcia J, Iadarola B, Sanz F, Fernandez-Fuentes N, Furlong LI, Oliva B. Genetic and functional characterization of disease associations explains comorbidity. Sci Rep 2017; 7:6207. [PMID: 28740175 PMCID: PMC5524755 DOI: 10.1038/s41598-017-04939-4] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2016] [Accepted: 05/23/2017] [Indexed: 12/19/2022] Open
Abstract
Understanding relationships between diseases, such as comorbidities, has important socio-economic implications, ranging from clinical study design to health care planning. Most studies characterize disease comorbidity using shared genetic origins, ignoring pathway-based commonalities between diseases. In this study, we define the disease pathways using an interactome-based extension of known disease-genes and introduce several measures of functional overlap. The analysis reveals 206 significant links among 94 diseases, giving rise to a highly clustered disease association network. We observe that around 95% of the links in the disease network, though not identified by genetic overlap, are discovered by functional overlap. This disease network portraits rheumatoid arthritis, asthma, atherosclerosis, pulmonary diseases and Crohn's disease as hubs and thus pointing to common inflammatory processes underlying disease pathophysiology. We identify several described associations such as the inverse comorbidity relationship between Alzheimer's disease and neoplasms. Furthermore, we investigate the disruptions in protein interactions by mapping mutations onto the domains involved in the interaction, suggesting hypotheses on the causal link between diseases. Finally, we provide several proof-of-principle examples in which we model the effect of the mutation and the change of the association strength, which could explain the observed comorbidity between diseases caused by the same genetic alterations.
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Affiliation(s)
- Carlota Rubio-Perez
- Joint IRB-BSC-CRG Program in Computational Biology, Institute for Research in Biomedicine (IRB Barcelona), 08028, Barcelona, Spain.,Structural Bioinformatics Group, GRIB, IMIM, Department of Experimental and Life Sciences, Universitat Pompeu Fabra, 08003, Barcelona, Catalonia, Spain
| | - Emre Guney
- Joint IRB-BSC-CRG Program in Computational Biology, Institute for Research in Biomedicine (IRB Barcelona), 08028, Barcelona, Spain.,Center for Complex Network Research and Department of Physics, Northeastern University, Boston, 02115, MA, USA
| | - Daniel Aguilar
- Structural Bioinformatics Group, GRIB, IMIM, Department of Experimental and Life Sciences, Universitat Pompeu Fabra, 08003, Barcelona, Catalonia, Spain.,Barcelona Institute for Global Health (ISGlobal), 08003, Barcelona, Catalonia, Spain
| | - Janet Piñero
- Integrative Biomedical Informatics Group, GRIB, IMIM, Department of Experimental and Life Sciences, Universitat Pompeu Fabra, Barcelona, 08003, Catalonia, Spain
| | - Javier Garcia-Garcia
- Structural Bioinformatics Group, GRIB, IMIM, Department of Experimental and Life Sciences, Universitat Pompeu Fabra, 08003, Barcelona, Catalonia, Spain.,Integrative Biomedical Informatics Group, GRIB, IMIM, Department of Experimental and Life Sciences, Universitat Pompeu Fabra, Barcelona, 08003, Catalonia, Spain
| | - Barbara Iadarola
- Structural Bioinformatics Group, GRIB, IMIM, Department of Experimental and Life Sciences, Universitat Pompeu Fabra, 08003, Barcelona, Catalonia, Spain
| | - Ferran Sanz
- Integrative Biomedical Informatics Group, GRIB, IMIM, Department of Experimental and Life Sciences, Universitat Pompeu Fabra, Barcelona, 08003, Catalonia, Spain
| | - Narcís Fernandez-Fuentes
- Institute of Biological, Environmental and Rural Sciences, Aberystwyth University, Aberystwyth, SY23 3EB, United Kingdom.
| | - Laura I Furlong
- Integrative Biomedical Informatics Group, GRIB, IMIM, Department of Experimental and Life Sciences, Universitat Pompeu Fabra, Barcelona, 08003, Catalonia, Spain.
| | - Baldo Oliva
- Structural Bioinformatics Group, GRIB, IMIM, Department of Experimental and Life Sciences, Universitat Pompeu Fabra, 08003, Barcelona, Catalonia, Spain.
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88
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Khan S, Ansari AA, Rolfo C, Coelho A, Abdulla M, Al-Khayal K, Ahmad R. Evaluation of in vitro cytotoxicity, biocompatibility, and changes in the expression of apoptosis regulatory proteins induced by cerium oxide nanocrystals. SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS 2017; 18:364-373. [PMID: 28634498 PMCID: PMC5468938 DOI: 10.1080/14686996.2017.1319731] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2016] [Revised: 04/12/2017] [Accepted: 04/12/2017] [Indexed: 06/09/2023]
Abstract
Cerium oxide nanocrystals (CeO2-NCs) exhibit superoxide dismutase and catalase mimetic activities. Based on these catalytic activities, CeO2-NCs have been suggested to have the potential to treat various diseases. The crystalline size of these materials is an important factor that influences the performance of CeO2-NCs. Previous reports have shown that several metal-based nanocrystals, including CeO2-NCs, can induce cytotoxicity in cancer cells. However, the underlying mechanisms have remained unclear. To characterize the anticancer activities of CeO2-NCs, several assays related to the mechanism of cytotoxicity and induction of apoptosis has been performed. Here, we have carried out a systematic study to characterize CeO2-NCs phase purity (X-ray diffraction), morphology (electron microscopy), and optical features (optical absorption, Raman scattering, and photoluminescence) to better establish their potential as anticancer drugs. Our study revealed anticancer effects of CeO2-NCs in HT29 and SW620 colorectal cancer cell lines with half-maximal inhibitory concentration (IC50) values of 2.26 and 121.18 μg ml-1, respectively. Reductions in cell viability indicated the cytotoxic potential of CeO2-NCs in HT29 cells based on inverted and florescence microscopy assessments. The mechanism of cytotoxicity confirmed by estimating possible changes in the expression levels of Bcl2, BclxL, Bax, PARP, cytochrome c, and β-actin (control) proteins in HT29 cells. Down-regulation of Bcl2 and BclxL and up-regulation of Bax, PARP, and cytochrome c proteins suggested the significant involvement of CeO2-NCs exposure in the induction of apoptosis. Furthermore, biocompatibility assay showed minimum effect of CeO2-NCs on human red blood cells.
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Affiliation(s)
- Shahanavaj Khan
- Nanomedicine & Biotechnology Research Unit, Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
- Department of Bioscience, Shri Ram Group of College (SRGC), Muzaffarnagar, India
| | - Anees A. Ansari
- King Abdullah Institute for Nanotechnology, King Saud University, Riyadh, Saudi Arabia
| | - Christian Rolfo
- Phase I- Early Clinical Trials Unit, Oncology Department and Multidisciplinary Oncology Center Antwerp (MOCA), Antwerp University Hospital, Edegem, Belgium
| | - Andreia Coelho
- Phase I- Early Clinical Trials Unit, Oncology Department and Multidisciplinary Oncology Center Antwerp (MOCA), Antwerp University Hospital, Edegem, Belgium
| | - Maha Abdulla
- Colorectal Research Center, College of Medicine King Saud University, Riyadh, Saudi Arabia
| | - Khayal Al-Khayal
- Colorectal Research Center, College of Medicine King Saud University, Riyadh, Saudi Arabia
| | - Rehan Ahmad
- Colorectal Research Center, College of Medicine King Saud University, Riyadh, Saudi Arabia
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89
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Aouacheria A, Baghdiguian S, Lamb HM, Huska JD, Pineda FJ, Hardwick JM. Connecting mitochondrial dynamics and life-or-death events via Bcl-2 family proteins. Neurochem Int 2017; 109:141-161. [PMID: 28461171 DOI: 10.1016/j.neuint.2017.04.009] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Accepted: 04/17/2017] [Indexed: 12/12/2022]
Abstract
The morphology of a population of mitochondria is the result of several interacting dynamical phenomena, including fission, fusion, movement, elimination and biogenesis. Each of these phenomena is controlled by underlying molecular machinery, and when defective can cause disease. New understanding of the relationships between form and function of mitochondria in health and disease is beginning to be unraveled on several fronts. Studies in mammals and model organisms have revealed that mitochondrial morphology, dynamics and function appear to be subject to regulation by the same proteins that regulate apoptotic cell death. One protein family that influences mitochondrial dynamics in both healthy and dying cells is the Bcl-2 protein family. Connecting mitochondrial dynamics with life-death pathway forks may arise from the intersection of Bcl-2 family proteins with the proteins and lipids that determine mitochondrial shape and function. Bcl-2 family proteins also have multifaceted influences on cells and mitochondria, including calcium handling, autophagy and energetics, as well as the subcellular localization of mitochondrial organelles to neuronal synapses. The remarkable range of physical or functional interactions by Bcl-2 family proteins is challenging to assimilate into a cohesive understanding. Most of their effects may be distinct from their direct roles in apoptotic cell death and are particularly apparent in the nervous system. Dual roles in mitochondrial dynamics and cell death extend beyond BCL-2 family proteins. In this review, we discuss many processes that govern mitochondrial structure and function in health and disease, and how Bcl-2 family proteins integrate into some of these processes.
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Affiliation(s)
- Abdel Aouacheria
- Institute of Evolutionary Sciences of Montpellier (ISEM), CNRS UMR 5554, University of Montpellier, Place Eugène Bataillon, 34095 Montpellier, France
| | - Stephen Baghdiguian
- Institute of Evolutionary Sciences of Montpellier (ISEM), CNRS UMR 5554, University of Montpellier, Place Eugène Bataillon, 34095 Montpellier, France
| | - Heather M Lamb
- Department of Molecular Microbiology and Immunology, Johns Hopkins University Bloomberg School of Public Health, 615 North Wolfe St., Baltimore, MD 21205, USA
| | - Jason D Huska
- Department of Molecular Microbiology and Immunology, Johns Hopkins University Bloomberg School of Public Health, 615 North Wolfe St., Baltimore, MD 21205, USA
| | - Fernando J Pineda
- Department of Molecular Microbiology and Immunology, Johns Hopkins University Bloomberg School of Public Health, 615 North Wolfe St., Baltimore, MD 21205, USA; Department of Biostatistics, Johns Hopkins University, Bloomberg School of Public Health, 615 North Wolfe St., Baltimore, MD 21205, USA
| | - J Marie Hardwick
- Department of Molecular Microbiology and Immunology, Johns Hopkins University Bloomberg School of Public Health, 615 North Wolfe St., Baltimore, MD 21205, USA.
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90
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Fan S, Zhang J, Nie W, Zhou W, Jin L, Chen X, Lu J. Antitumor effects of polysaccharide from Sargassum fusiforme against human hepatocellular carcinoma HepG2 cells. Food Chem Toxicol 2017; 102:53-62. [PMID: 28131629 DOI: 10.1016/j.fct.2017.01.020] [Citation(s) in RCA: 87] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2016] [Revised: 01/20/2017] [Accepted: 01/23/2017] [Indexed: 01/27/2023]
Abstract
Sargassum fusiforme (Harv.) Setchel, a kind of brown algae, has been applied as a therapeutic for thousands of years. This study was designed to investigate the antitumor effects of the polysaccharide (SFPS) from S. fusiform in liver cancer. The mice inoculated with HepG2 cells were orally administrated with SFPS at the doses of 100, 200 and 400 mg/kg body weight for 28 days. The products from peritoneal macrophages and serum in HepG2-bearing mice were measured. The effect of SFPS-induced cell apoptosis was measured by flow cytometry. Meanwhile, the expression levels of Bax and Bcl-2 were detected. Furthermore, the cytotoxicity of SFPS was evaluated by CCK-8 assay. Results showed that SFPS significantly inhibited growth of human HepG2 cell-transplanted tumor in nude mice, and remarkably increased serum TNF-α, IL-1, NO and IgM levels in HepG2-bearing mice. SFPS also promoted the cytokines (IL-1 and TNF-α) secreted by peritoneal macrophages in HepG2-bearing mice. SFPS exerted a stimulatory effect on apoptosis of HepG2 cells, increased the expression of Bax, and decreased the expression of Bcl-2. The results indicated that SFPS has anti-tumor and immunomodulatory activities at the high concentration, and it could be used as a potential chemopreventative and/or adjuvant chemotherapeutic agent in liver cancer.
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Affiliation(s)
- Sairong Fan
- Institute of Glycobiological Engineering, School of Laboratory Medicine & Life Science, Wenzhou Medical University, Wenzhou 325035, China; Key Laboratory of Laboratory Medicine, Ministry of Education of China, School of Laboratory Medicine & Life Science, Wenzhou Medical University, Wenzhou 325035, China
| | - Junfeng Zhang
- Institute of Glycobiological Engineering, School of Laboratory Medicine & Life Science, Wenzhou Medical University, Wenzhou 325035, China; Key Laboratory of Laboratory Medicine, Ministry of Education of China, School of Laboratory Medicine & Life Science, Wenzhou Medical University, Wenzhou 325035, China
| | - Wenjian Nie
- Institute of Glycobiological Engineering, School of Laboratory Medicine & Life Science, Wenzhou Medical University, Wenzhou 325035, China; Key Laboratory of Laboratory Medicine, Ministry of Education of China, School of Laboratory Medicine & Life Science, Wenzhou Medical University, Wenzhou 325035, China
| | - Wenyuan Zhou
- Institute of Glycobiological Engineering, School of Laboratory Medicine & Life Science, Wenzhou Medical University, Wenzhou 325035, China; Key Laboratory of Laboratory Medicine, Ministry of Education of China, School of Laboratory Medicine & Life Science, Wenzhou Medical University, Wenzhou 325035, China
| | - Liqin Jin
- Institute of Glycobiological Engineering, School of Laboratory Medicine & Life Science, Wenzhou Medical University, Wenzhou 325035, China; Key Laboratory of Laboratory Medicine, Ministry of Education of China, School of Laboratory Medicine & Life Science, Wenzhou Medical University, Wenzhou 325035, China
| | - Xiaoming Chen
- Institute of Glycobiological Engineering, School of Laboratory Medicine & Life Science, Wenzhou Medical University, Wenzhou 325035, China; Key Laboratory of Laboratory Medicine, Ministry of Education of China, School of Laboratory Medicine & Life Science, Wenzhou Medical University, Wenzhou 325035, China.
| | - Jianxin Lu
- Institute of Glycobiological Engineering, School of Laboratory Medicine & Life Science, Wenzhou Medical University, Wenzhou 325035, China; Key Laboratory of Laboratory Medicine, Ministry of Education of China, School of Laboratory Medicine & Life Science, Wenzhou Medical University, Wenzhou 325035, China
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91
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Ke JY, Cen WJ, Zhou XZ, Li YR, Kong WD, Jiang JW. Iron overload induces apoptosis of murine preosteoblast cells via ROS and inhibition of AKT pathway. Oral Dis 2017; 23:784-794. [PMID: 28248443 DOI: 10.1111/odi.12662] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2016] [Revised: 02/17/2017] [Accepted: 02/21/2017] [Indexed: 01/03/2023]
Affiliation(s)
- J-Y Ke
- Department of Stomatology; The First Affiliated Hospital of Jinan University; Guangzhou China
- Department of Orthodontics; Foshan Chancheng Stomatological Hospital; Foshan China
| | - W-J Cen
- Department of Stomatology; The First Affiliated Hospital of Jinan University; Guangzhou China
- Department of Stomatology; Guangzhou Development District Hospital; Guangzhou China
| | - X-Z Zhou
- Department of Stomatology; The First Affiliated Hospital of Jinan University; Guangzhou China
| | - Y-R Li
- Department of Orthodontics; Foshan Chancheng Stomatological Hospital; Foshan China
| | - W-D Kong
- Department of Stomatology; The First Affiliated Hospital of Jinan University; Guangzhou China
| | - J-W Jiang
- Department of Biochemistry; Medical College; Jinan University; Guangzhou China
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92
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Abdel Aziz MA, Badary DM, Hussein MRA. Renal damage following Alloxan-induced diabetes is associated with generation of reactive oxygen species, alterations of p53, TGF-β1, and extracellular matrix metalloproteinases in rats. Cell Biol Int 2017; 41:525-533. [PMID: 28220578 DOI: 10.1002/cbin.10752] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2016] [Accepted: 02/17/2017] [Indexed: 12/13/2022]
Abstract
Renal damage is a common problem in diabetes. Alloxan, a potent hyperglycemic and diabetogenic molecule, can induce diabetes through oxidative stress-related mechanisms. Here, we hypothesize that "Alloxan-induced renal damage is associated with alterations of p53, TGF-β1, and extracellular matrix metalloproteinases." To test our hypothesis, we established an animal model (male abino rats) and induced diabetes by intraperitoneal injection of Alloxan monohydrate. Rats with fasting blood glucose level ≥ 200 mg/dL were considered diabetic and were sacrificed after 14, 28, and 42 day intervals. Tissue levels of malondialdehyde and glutathione levels (markers of oxidative stress), and serum MMP-1 were measured. The expression patterns of p53, TGF-β1were evaluated using Western blot and immunohistochemical methods. TIMP-1 expression pattern was determined using RT-PCR and immunohistochemical methods. Alloxan treatment induced histological features of renal damage (inflammation and fibrosis) and was associated with deterioration of the renal functions (elevated blood urea nitrogen and creatinin levels), hyperglycemia, and oxidative stresss (increased malondialdehyde and decreased glutathione levels). There was over-expression of the TGF-β1 protein (profibrogenic protein), p53 (proapoptotic protein), and alterations of extracellular matrix proteins (low level of serum MMP-1 and over-expression of TIMP-1). Alterations of TGF-β, p53, and extracellular matrix metalloproteinases contribute to the pathogenesis of Alloxan-induced renal damage.
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Affiliation(s)
- Mohamed A Abdel Aziz
- Faculty of Pharmacy, Department of Biochemistry, Al-Azhar University, Assuit Branch, Assuit 71524, Egypt
| | - Dalia M Badary
- Faculty of Medicine, Department of Pathology, Assuit University, Assuit 71526, Egypt
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93
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Jo HS, Yeo HJ, Cha HJ, Kim SJ, Cho SB, Park JH, Lee CH, Yeo EJ, Choi YJ, Eum WS, Choi SY. Transduced Tat-DJ-1 protein inhibits cytokines-induced pancreatic RINm5F cell death. BMB Rep 2017; 49:297-302. [PMID: 26996344 PMCID: PMC5070711 DOI: 10.5483/bmbrep.2016.49.5.058] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2016] [Indexed: 01/10/2023] Open
Abstract
Loss of pancreatic β-cells by oxidative stress or cytokines is associated with diabetes mellitus (DM). DJ-1 is known to as a multifunctional protein, which plays an important role in cell survival. We prepared cell permeable wild type (WT) and mutant type (M26I) Tat-DJ-1 proteins to investigate the effects of DJ-1 against combined cytokines (IL-1β, IFN-γ and TNF-α)-induced RINm5F cell death. Both Tat-DJ-1 proteins were transduced into RINm5F cells. WT Tat-DJ-1 proteins significantly protected against cell death from cytokines by reducing intracellular toxicities. Also, WT Tat-DJ-1 proteins markedly regulated cytokines-induced pro- and anti-apoptosis proteins. However, M26I Tat-DJ-1 protein showed relatively low protective effects, as compared to WT Tat-DJ-1 protein. Our experiments demonstrated that WT Tat-DJ-1 protein protects against cytokine-induced RINm5F cell death by suppressing intracellular toxicities and regulating apoptosisrelated protein expression. Thus, WT Tat-DJ-1 protein could potentially serve as a therapeutic agent for DM and cytokine related diseases. [BMB Reports 2016; 49(5): 297-302]
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Affiliation(s)
- Hyo Sang Jo
- Department of Biomedical Science and Research Institute of Bioscience and Biotechnology, Hallym University, Chunchon 24252, Korea
| | - Hyeon Ji Yeo
- Department of Biomedical Science and Research Institute of Bioscience and Biotechnology, Hallym University, Chunchon 24252, Korea
| | - Hyun Ju Cha
- Department of Biomedical Science and Research Institute of Bioscience and Biotechnology, Hallym University, Chunchon 24252, Korea
| | - Sang Jin Kim
- Department of Biomedical Science and Research Institute of Bioscience and Biotechnology, Hallym University, Chunchon 24252, Korea
| | - Su Bin Cho
- Department of Biomedical Science and Research Institute of Bioscience and Biotechnology, Hallym University, Chunchon 24252, Korea
| | - Jung Hwan Park
- Department of Biomedical Science and Research Institute of Bioscience and Biotechnology, Hallym University, Chunchon 24252, Korea
| | - Chi Hern Lee
- Department of Biomedical Science and Research Institute of Bioscience and Biotechnology, Hallym University, Chunchon 24252, Korea
| | - Eun Ji Yeo
- Department of Biomedical Science and Research Institute of Bioscience and Biotechnology, Hallym University, Chunchon 24252, Korea
| | - Yeon Joo Choi
- Department of Biomedical Science and Research Institute of Bioscience and Biotechnology, Hallym University, Chunchon 24252, Korea
| | - Won Sik Eum
- Department of Biomedical Science and Research Institute of Bioscience and Biotechnology, Hallym University, Chunchon 24252, Korea
| | - Soo Young Choi
- Department of Biomedical Science and Research Institute of Bioscience and Biotechnology, Hallym University, Chunchon 24252, Korea
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94
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Gao HT, Xu R, Cao WX, Qian LL, Wang M, Lu L, Xu Q, Yu SQ. Effects of six priority controlled phthalate esters with long-term low-dose integrated exposure on male reproductive toxicity in rats. Food Chem Toxicol 2017; 101:94-104. [PMID: 28089693 DOI: 10.1016/j.fct.2017.01.011] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2016] [Revised: 01/10/2017] [Accepted: 01/12/2017] [Indexed: 01/16/2023]
Abstract
Human beings are inevitably exposed to ubiquitous phthalate esters (PEs) surroundings. The purposes of this study were to investigate the effects of long-term low-dose exposure to the mixture of six priority controlled phthalate esters (MIXPs): dimethyl phthalate (DMP), diethyl phthalate (DEP), di(n-butyl) phthalate (DBP), butyl benzyl phthalate (BBP), di(2-ethyhexyl) phthalate (DEHP) and di-n-octyl phthalate (DNOP), on male rat reproductive system and further to explore the underlying mechanisms of the reproductive toxicity. The male rats were orally exposed to either sodium carboxymethyl cellulose as controls or MIXPs at three different low-doses by gavage for 15 weeks. Testosterone and luteinizing hormone (LH) in serum were analyzed, and pathological examinations were performed for toxicity evaluation. Steroidogenic proteins (StAR, P450scc, CYP17A1 and 17β-HSD), cell cycle and apoptosis-related proteins (p53, Chk1, Cdc2, CDK6, Bcl-2 and Bax) were measured for mechanisms exploration. MIXPs with long-term low-dose exposure could cause male reproductive toxicity to the rats, including the decrease of both serum and testicular testosterone, and the constructional damage of testis. These effects were related to down-regulated steroidogenic proteins, arresting cell cycle progression and promoting apoptosis in rat testicular cells. The results indicate that MIXPs with long-term low-dose exposure may pose male reproductive toxicity in human.
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Affiliation(s)
- Hai-Tao Gao
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Run Xu
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Wei-Xin Cao
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Liang-Liang Qian
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Min Wang
- Zibo Municipal Center for Disease Control and Prevention, Zibo 255026, China
| | - Lingeng Lu
- Department of Chronic Disease Epidemiology, Yale School of Public Health, School of Medicine, Yale University, New Haven, CT 06520-8034, USA
| | - Qian Xu
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China; Department of Chronic Disease Epidemiology, Yale School of Public Health, School of Medicine, Yale University, New Haven, CT 06520-8034, USA.
| | - Shu-Qin Yu
- Jiangsu Key Laboratory for Supramolecular Medicinal Material and Applications, College of Life Sciences, Nanjing Normal University, Nanjing 210046, China; Jiangsu Province Key Laboratory for Molecular and Medicinal Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing 210046, China.
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95
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Maes ME, Schlamp CL, Nickells RW. BAX to basics: How the BCL2 gene family controls the death of retinal ganglion cells. Prog Retin Eye Res 2017; 57:1-25. [PMID: 28064040 DOI: 10.1016/j.preteyeres.2017.01.002] [Citation(s) in RCA: 130] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2016] [Revised: 12/22/2016] [Accepted: 01/03/2017] [Indexed: 12/19/2022]
Abstract
Retinal ganglion cell (RGC) death is the principal consequence of injury to the optic nerve. For several decades, we have understood that the RGC death process was executed by apoptosis, suggesting that there may be ways to therapeutically intervene in this cell death program and provide a more direct treatment to the cells and tissues affected in diseases like glaucoma. A major part of this endeavor has been to elucidate the molecular biological pathways active in RGCs from the point of axonal injury to the point of irreversible cell death. A major component of this process is the complex interaction of members of the BCL2 gene family. Three distinct family members of proteins orchestrate the most critical junction in the apoptotic program of RGCs, culminating in the activation of pro-apoptotic BAX. Once active, BAX causes irreparable damage to mitochondria, while precipitating downstream events that finish off a dying ganglion cell. This review is divided into two major parts. First, we summarize the extent of knowledge of how BCL2 gene family proteins interact to facilitate the activation and function of BAX. This area of investigation has rapidly changed over the last few years and has yielded a dramatically different mechanistic understanding of how the intrinsic apoptotic program is run in mammalian cells. Second, we provided a comprehensive analysis of nearly two decades of investigation of the role of BAX in the process of RGC death, much of which has provided many important insights into the overall pathophysiology of diseases like glaucoma.
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Affiliation(s)
- Margaret E Maes
- Department of Ophthalmology and Visual Sciences, University of Wisconsin-Madison, Madison, WI, USA
| | - Cassandra L Schlamp
- Department of Ophthalmology and Visual Sciences, University of Wisconsin-Madison, Madison, WI, USA
| | - Robert W Nickells
- Department of Ophthalmology and Visual Sciences, University of Wisconsin-Madison, Madison, WI, USA.
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96
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Xiang J, Wang Z, Liu Q, Li X, Sun J, Fung KP, Liu F. DMFC (3,5-dimethyl- 7H-furo[3,2-g]chromen-7-one) regulates Bim to trigger Bax and Bak activation to suppress drug-resistant human hepatoma. Apoptosis 2016; 22:381-392. [PMID: 27873035 DOI: 10.1007/s10495-016-1331-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
3,5-Dimethyl-7H-furo[3,2-g]chromen-7-one (DMFC) is a coumarin derivative with anti-cancer activity against human hepatoma cells, but the mechanisms underlying DMFC function in cancer suppression is unknown. In this study, we aimed at elucidating the molecular mechanisms underlying DMFC anti-cancer activity and determining whether DMFC is effective in suppression of drug-resistant human hepatocellular carcinoma. We show here that DMFC effectively suppresses both the parent and the multidrug-resistant hepatoma cell growth in vitro and DMFC suppresses hepatoma cell growth at least in part through inducing tumor cell apoptosis. In the molecular level, we observed that DMFC treatment decreases Bcl-2 level by a post-transcriptional mechanism and activates Bim transcription to increase Bim mRNA and protein level in hepatoma cells. Furthermore, co-immunoprecipitation studies revealed that DMFC-induced Bim interrupts interactions between Bcl-2 and Bax and between Mcl-1 and Bak, resulting in dissociation of Bax from Bcl-2 and Bak from Mcl-1 and subsequent activation of both Bax and Bak. Activation of Bax and Bak leads to mitochondrial outer membrane permeabilization and cytochrome c release. Consistent with its potent apoptosis-inducing activity, DMFC exhibited potent activity against the multidrug-resistant hepatoma xenograft growth in vivo. Therefore, we determine that DMFC suppresses hepatoma growth through decreasing Bcl-2 and increasing Bim to induce tumor cell apoptosis and hold great promise for further development as a therapeutic agent to treat chemoresistant hepatoma.
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Affiliation(s)
- Jun Xiang
- Research Centre of Siyuan Natural Pharmacy and Biotoxicology, College of Life Sciences, Zhejiang University, Hangzhou, 310058, People's Republic of China.,Joint Centre of Zhejiang University and the Chinese University of Hong Kong on Natural Products and Toxicology Research, Zhejiang University, Hangzhou, People's Republic of China
| | - Zhe Wang
- Research Centre of Siyuan Natural Pharmacy and Biotoxicology, College of Life Sciences, Zhejiang University, Hangzhou, 310058, People's Republic of China.,Joint Centre of Zhejiang University and the Chinese University of Hong Kong on Natural Products and Toxicology Research, Zhejiang University, Hangzhou, People's Republic of China
| | - Qianqian Liu
- Zhejiang University Hospital, Zhejiang University, Hangzhou, People's Republic of China
| | - Xia Li
- Research Centre of Siyuan Natural Pharmacy and Biotoxicology, College of Life Sciences, Zhejiang University, Hangzhou, 310058, People's Republic of China.,Joint Centre of Zhejiang University and the Chinese University of Hong Kong on Natural Products and Toxicology Research, Zhejiang University, Hangzhou, People's Republic of China
| | - Jianguo Sun
- Research Centre of Siyuan Natural Pharmacy and Biotoxicology, College of Life Sciences, Zhejiang University, Hangzhou, 310058, People's Republic of China.,Joint Centre of Zhejiang University and the Chinese University of Hong Kong on Natural Products and Toxicology Research, Zhejiang University, Hangzhou, People's Republic of China
| | - Kwok-Pui Fung
- Joint Centre of Zhejiang University and the Chinese University of Hong Kong on Natural Products and Toxicology Research, Zhejiang University, Hangzhou, People's Republic of China.,School of Biomedical Sciences (SBS), The Chinese University of Hong Kong, Shatin, Hong Kong SAR, People's Republic of China
| | - Feiyan Liu
- Research Centre of Siyuan Natural Pharmacy and Biotoxicology, College of Life Sciences, Zhejiang University, Hangzhou, 310058, People's Republic of China. .,Joint Centre of Zhejiang University and the Chinese University of Hong Kong on Natural Products and Toxicology Research, Zhejiang University, Hangzhou, People's Republic of China.
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97
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Wu WS, Chien CC, Chen YC, Chiu WT. Protein Kinase RNA-Like Endoplasmic Reticulum Kinase-Mediated Bcl-2 Protein Phosphorylation Contributes to Evodiamine-Induced Apoptosis of Human Renal Cell Carcinoma Cells. PLoS One 2016; 11:e0160484. [PMID: 27483435 PMCID: PMC4970736 DOI: 10.1371/journal.pone.0160484] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2016] [Accepted: 07/20/2016] [Indexed: 11/22/2022] Open
Abstract
We investigated the anticancer mechanism of evodiamine (EVO) against the viability of human A498 renal cell carcinoma (RCC) cells in vitro and in vivo. The in vitro study showed that EVO decreased the viability of A498 cells with the occurrence of apoptotic characteristics such as hypodiploid cells, DNA ladders, chromatin-condensed cells, and cleaved caspase (Casp)-3/poly(ADP ribose) polymerase (PARP) proteins. Pharmacological studies using chemical inhibitors of mitogen-activated protein kinase (MAPK) and phosphoinositide 3-kinase (PI3K) indicated that phosphorylation of the c-Jun N-terminal kinase (JNK) protein participated in EVO-induced cell death of A498 cells, and application of the JNK inhibitor, SP600125 (SP), inhibited EVO-induced cleavage of the Casp-3/PARP proteins and chromatin condensation according to Giemsa staining. EVO disruption of the mitochondrial membrane potential (MMP) with increased protein levels of the phosphorylated Bcl-2 protein (p-Bcl-2) was prevented by JNK inhibitors in A498 cells. A structure-activity relationship study showed that a methyl group at position 14 in EVO was important for its apoptotic effects and increased p-Bcl-2 protein in A498 cells. Furthermore, significant increases in the phosphorylated endoplasmic reticular stress protein, protein kinase RNA-like endoplasmic reticulum kinase (p-PERK at Thr980), by EVO were detected in A498 cells, and the PERK inhibitor, GSK2606414, significantly suppressed EVO-induced apoptosis, p-JNK, p-PERK, and cleaved PARP proteins. The in vivo study showed that EVO significantly reduced RCC growth elicited by a subcutaneous injection of A498 cells, and an increased protein level of p-PERK was observed according to an immunohistochemical analysis. Apoptosis by EVO was also demonstrated in other RCC cells such as 786-O, ACHN, and Caki-1 cells. This is the first study to demonstrate the anti-RCC effect of EVO via apoptosis in vitro and in vivo, and activation of JNK and PERK to induce Bcl-2 protein phosphorylation, which led to disruption of the MMP.
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Affiliation(s)
- Wen-Shin Wu
- Graduate Institute of Medical Sciences, Taipei Medical University, Taipei, 110, Taiwan
- Department of Biochemistry and Molecular Cell Biology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, 110, Taiwan
| | - Chih-Chiang Chien
- Department of Nephrology, Chi-Mei Medical Center, Tainan, Taiwan
- Department of Food Nutrition, Chung Hwa University of Medical Technology, Tainan, Taiwan
| | - Yen-Chou Chen
- Graduate Institute of Medical Sciences, Taipei Medical University, Taipei, 110, Taiwan
- Cancer Research Center and Orthopedics Research Center, Taipei Medical University Hospital, Taipei, 110, Taiwan
- * E-mail:
| | - Wen-Ta Chiu
- Department of Neurosurgery, Taipei Municipal Wan-Fang Hospital and Graduate Institute of Clinical Medicine, Taipei Medical University, Taipei, 110, Taiwan
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98
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Ji WB, Liu X, Luo Y, Zhang WZ. High expression of miR-15b predicts poor prognosis for hepatocellular carcinoma after curative hepatectomy. Oncol Rep 2016; 36:1901-8. [PMID: 27499071 DOI: 10.3892/or.2016.4982] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2015] [Accepted: 12/27/2015] [Indexed: 11/05/2022] Open
Abstract
The present study aimed to analyze the role and mechanism of miR-15b in hepatocellular carcinoma (HCC) after curative hepatectomy. Tissue samples from 13 patients with HCC who were operated on at the Chinese PLA General Hospital from March 2014 to May 2014 were collected. A consecutive 156 untreated patients with HCC who received curative hepatectomy at the Chinese PLA General Hospital (Beijing, China) from May 2008 to March 2009 were enrolled, and their corresponding para-tumoral and normal tissue samples were acquired. Subsequently, anti-miR-15b (inhibitor) was transfected into human HCC HepG2 cells. It was observed that high expression of miR-15b promoted cell proliferation of the HCC cells, while low expression of miR-15b suppressed cell growth and induced the apoptosis of HepG2 cells. It was found that overall survival of the patients with low miR-15b was increased, compared with the overall survival of the patients with high miR-15b expression. In addition, low expression of miR-15b suppressed the growth of HepG2 cells by suppression of transforming growth factor-β (TGF-β), TβRI and Smad2 protein expression. Meanwhile, low expression of miR-15b significantly activated Bax protein expression and caspase-3 activity in the HepG2 cells. The study results revealed that high expression of miR-15b could predict the poor prognosis of hepatocellular carcinoma after curative hepatectomy through TGF-β/TβRI-Smad2-cyclin D1/Bax.
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Affiliation(s)
- Wen-Bin Ji
- Department of Hepatobiliary Surgery, Chinese PLA General Hospital, Chinese PLA Postgraduate Medical School, Beijing 100853, P.R. China
| | - Xin Liu
- Department of Hepatobiliary Surgery, Chinese PLA General Hospital, Chinese PLA Postgraduate Medical School, Beijing 100853, P.R. China
| | - Ying Luo
- Department of Hepatobiliary Surgery, Chinese PLA General Hospital, Chinese PLA Postgraduate Medical School, Beijing 100853, P.R. China
| | - Wen-Zhi Zhang
- Department of Hepatobiliary Surgery, Chinese PLA General Hospital, Chinese PLA Postgraduate Medical School, Beijing 100853, P.R. China
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99
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Huang Z, Zhang L, Chen Y, Zhang H, Yu C, Zhou F, Zhang Z, Jiang L, Li R, Ma J, Li Z, Lai Y, Lin T, Zhao X, Zhang Q, Zhang B, Ye Z, Liu S, Wang W, Liang X, Liao R, Shi W. RhoA deficiency disrupts podocyte cytoskeleton and induces podocyte apoptosis by inhibiting YAP/dendrin signal. BMC Nephrol 2016; 17:66. [PMID: 27389190 PMCID: PMC4936208 DOI: 10.1186/s12882-016-0287-6] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2015] [Accepted: 06/14/2016] [Indexed: 01/19/2023] Open
Abstract
Background Podocyte apoptosis is a major mechanism that leads to proteinuria in many kidney diseases. However, the concert mechanisms that cause podocyte apoptosis in these kidney diseases are not fully understood. RhoA is one of Rho GTPases that has been well studied and plays a key role in regulating cytoskeletal architecture. Previous study showed that insufficient RhoA could result in rat aortic smooth muscle cell apoptosis. However, whether RhoA is involved in podocyte apoptosis remains unknown. Methods Culture podocytes were treated with LPS, ADR or siRNA for 48 h before harvest. Subcellular immunoblotting, qRT-PCR, immunofluorescence and flow cytometry were used to exam the expression and function of RhoA or YAP in podocytes. Results We found that the expression of RhoA and its activity were significantly decreased in LPS or ADR-injured podocytes, accompanying loss of stress fibers and increased cell apoptosis. Knocking down RhoA or its downstream effector mDia expression by siRNA also caused loss of stress fibers and podocyte apoptosis. Moreover, our results further demonstrated that RhoA deficiency could reduce the mRNA and protein expression of YAP, which had been regarded as an anti-apoptosis protein in podocyte. Silenced dendrin expression significantly abolished RhoA, mDia or YAP deficiency-induced podocyte apoptosis. Conclusion RhoA deficiency could disrupt podocyte cytoskeleton and induce podocyte apoptosis by inhibiting YAP/dendrin signal. RhoA/mDia/YAP/dendrin signal pathway may potentially play an important role in regulating podocyte apoptosis. Maintaining necessary RhoA would be one potent way to prevent proteinuria kidney diseases.
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Affiliation(s)
- Zongshun Huang
- Division of Nephrology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, 106 Zhongshan No. 2 Road, Guangzhou, 510080, China.,Southern Medical University, Guangzhou, Guangdong, China
| | - Li Zhang
- Division of Nephrology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, 106 Zhongshan No. 2 Road, Guangzhou, 510080, China
| | - Yuanhan Chen
- Division of Nephrology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, 106 Zhongshan No. 2 Road, Guangzhou, 510080, China
| | - Hong Zhang
- Division of Nephrology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, 106 Zhongshan No. 2 Road, Guangzhou, 510080, China
| | - Chunping Yu
- Division of Nephrology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, 106 Zhongshan No. 2 Road, Guangzhou, 510080, China
| | - Fangjian Zhou
- State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong, 510060, China.,Department of Urology, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong, 510060, China
| | - Zhiling Zhang
- State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong, 510060, China.,Department of Urology, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong, 510060, China
| | - Lijuan Jiang
- State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong, 510060, China.,Department of Urology, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong, 510060, China
| | - Ruizhao Li
- Division of Nephrology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, 106 Zhongshan No. 2 Road, Guangzhou, 510080, China
| | - Jianchao Ma
- Division of Nephrology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, 106 Zhongshan No. 2 Road, Guangzhou, 510080, China
| | - Zhuo Li
- Division of Nephrology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, 106 Zhongshan No. 2 Road, Guangzhou, 510080, China
| | - Yuxiong Lai
- Division of Nephrology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, 106 Zhongshan No. 2 Road, Guangzhou, 510080, China
| | - Ting Lin
- Division of Nephrology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, 106 Zhongshan No. 2 Road, Guangzhou, 510080, China
| | - Xinchen Zhao
- Division of Nephrology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, 106 Zhongshan No. 2 Road, Guangzhou, 510080, China
| | - Qianmei Zhang
- Division of Nephrology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, 106 Zhongshan No. 2 Road, Guangzhou, 510080, China
| | - Bin Zhang
- Division of Nephrology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, 106 Zhongshan No. 2 Road, Guangzhou, 510080, China
| | - Zhiming Ye
- Division of Nephrology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, 106 Zhongshan No. 2 Road, Guangzhou, 510080, China
| | - Shuangxin Liu
- Division of Nephrology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, 106 Zhongshan No. 2 Road, Guangzhou, 510080, China
| | - Wenjian Wang
- Division of Nephrology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, 106 Zhongshan No. 2 Road, Guangzhou, 510080, China
| | - Xinling Liang
- Division of Nephrology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, 106 Zhongshan No. 2 Road, Guangzhou, 510080, China
| | - Ruyi Liao
- Division of Nephrology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, 106 Zhongshan No. 2 Road, Guangzhou, 510080, China
| | - Wei Shi
- Division of Nephrology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, 106 Zhongshan No. 2 Road, Guangzhou, 510080, China.
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100
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Bao Y, Yin M, Hu X, Zhuang X, Sun Y, Guo Y, Tan S, Zhang Z. A safe, simple and efficient doxorubicin prodrug hybrid micelle for overcoming tumor multidrug resistance and targeting delivery. J Control Release 2016; 235:182-194. [PMID: 27264552 DOI: 10.1016/j.jconrel.2016.06.003] [Citation(s) in RCA: 115] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2016] [Revised: 05/01/2016] [Accepted: 06/02/2016] [Indexed: 01/04/2023]
Abstract
A pH-sensitive prodrug, TPGS-CHN-DOX, was introduced by conjugating anticancer drug, doxorubicin (DOX), onto d-α-tocopherol polyethylene glycol 1000 succinate (TPGS) via a cleavable Schiff base linkage. The prodrug was mixed with a PEGylated lipid to form a simple but multifunctional hybrid micelle system, which can realize high drug loading capability and biocompatibility, extended blood circulation time, inhibited drug resistance in cancer cells, improved therapeutic response, reduced side effects, and easy functionalities for targeting delivery. The hybrid micelles exhibited in vitro pH-sensitive drug release, enhanced cellular uptake and strengthened cytotoxicity on both drug-sensitive human breast cancer MCF-7 and resistant MCF-7/ADR cells. P-glycoprotein functional inhibition and mitochondria-associated cell apoptosis induced by TPGS were thought to play an important role in overcoming the multidrug resistance. As a result, the hybrid micelles demonstrated good anticancer efficacy in MCF-7/ADR xenograft model. Additionally, after modifying with a tumor-specific targeting peptic ligand, cRGD, the tumor growth/metastasis inhibition was further evidenced in integrin receptor overexpressed melanoma cancer B16F10 and even murine hepatocarcinoma H22 models. This TPGS-based pH-sensitive prodrug provides a safe and "Molecular economical" way in the rational design of prodrugs for overcoming multidrug resistance and targeting delivery, which can improve the potency for clinical use.
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Affiliation(s)
- Yuling Bao
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Mingxing Yin
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Xiaomeng Hu
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Xiangting Zhuang
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yu Sun
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yuanyuan Guo
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Songwei Tan
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China; National Engineering Research Center for Nanomedicine, Huazhong University of Science and Technology, Wuhan 430030, China.
| | - Zhiping Zhang
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China; National Engineering Research Center for Nanomedicine, Huazhong University of Science and Technology, Wuhan 430030, China; Hubei Engineering Research Centre for Novel Drug Delivery System, Huazhong University of Science and Technology, Wuhan 430030, China.
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