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Synthesis and In Vitro Testing of YVO 4:Eu 3+@silica-NH-GDA-IgG Bio-Nano Complexes for Labelling MCF-7 Breast Cancer Cells. MOLECULES (BASEL, SWITZERLAND) 2022; 28:molecules28010280. [PMID: 36615474 PMCID: PMC9822125 DOI: 10.3390/molecules28010280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Revised: 12/26/2022] [Accepted: 12/27/2022] [Indexed: 12/31/2022]
Abstract
We present a visual tool and facile method to detect MCF-7 breast cancer cells by using YVO4:Eu3+@silica-NH-GDA-IgG bio-nanocomplexes. To obtain these complexes, YVO4:Eu3+ nanoparticles with a uniform size of 10-25 nm have been prepared firstly by the hydrothermal process, followed by surface functionalization to be bio-compatible and conjugated with cancer cells. The YVO4:Eu3+@silica-NH-GDA-IgG nanoparticles exhibited an enhanced red emission at 618 nm under an excitation wavelength of 355 nm and were strongly coupled with MCF-7 breast cancer cells via biological conjugation. These bio-nanocomplexes showed a superior sensitiveness for MCF-7 cancer cell labelling with a detection percentage as high as 82%, while no HEK-293A healthy cells were probed under the same conditions of in vitro experiments. In addition, the detection percentage of MCF-7 breast cancer cells increased significantly via the functionalization and conjugation of YVO4:Eu3+ nanoparticles. The experimental results demonstrated that the YVO4:Eu3+@silica-NH-GDA-IgG bio-nanocomplexes can be used as a promising labelling agent for biomedical imaging and diagnostics.
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Crosstalk between the peripheral nervous system and breast cancer influences tumor progression. Biochim Biophys Acta Rev Cancer 2022; 1877:188828. [DOI: 10.1016/j.bbcan.2022.188828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 10/17/2022] [Accepted: 10/19/2022] [Indexed: 11/18/2022]
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3
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Salihi A, Al-Naqshabandi MA, Khudhur ZO, Housein Z, Hama HA, Abdullah RM, Hussen BM, Alkasalias T. Gasotransmitters in the tumor microenvironment: Impacts on cancer chemotherapy (Review). Mol Med Rep 2022; 26:233. [PMID: 35616143 PMCID: PMC9178674 DOI: 10.3892/mmr.2022.12749] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 04/07/2022] [Indexed: 11/23/2022] Open
Abstract
Nitric oxide, carbon monoxide and hydrogen sulfide are three endogenous gasotransmitters that serve a role in regulating normal and pathological cellular activities. They can stimulate or inhibit cancer cell proliferation and invasion, as well as interfere with cancer cell responses to drug treatments. Understanding the molecular pathways governing the interactions between these gases and the tumor microenvironment can be utilized for the identification of a novel technique to disrupt cancer cell interactions and may contribute to the conception of effective and safe cancer therapy strategies. The present review discusses the effects of these gases in modulating the action of chemotherapies, as well as prospective pharmacological and therapeutic interfering approaches. A deeper knowledge of the mechanisms that underpin the cellular and pharmacological effects, as well as interactions, of each of the three gases could pave the way for therapeutic treatments and translational research.
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Affiliation(s)
- Abbas Salihi
- Department of Biology, College of Science, Salahaddin University‑Erbil, Erbil, Kurdistan Region 44001, Iraq
| | - Mohammed A Al-Naqshabandi
- Department of Clinical Biochemistry, College of Health Sciences, Hawler Medical University, Erbil, Kurdistan Region 44001, Iraq
| | - Zhikal Omar Khudhur
- Department of Medical Analysis, Faculty of Applied Science, Tishk International University, Erbil, Kurdistan Region 44001, Iraq
| | - Zjwan Housein
- Department of Medical Laboratory Technology, Technical Health and Medical College, Erbil Polytechnique University, Erbil, Kurdistan Region 44002, Iraq
| | - Harmand A Hama
- Department of Biology, Faculty of Education, Tishk International University, Erbil, Kurdistan Region 44002, Iraq
| | - Ramyar M Abdullah
- College of Medicine, Hawler Medical University, Erbil, Kurdistan Region 44002, Iraq
| | - Bashdar Mahmud Hussen
- Department of Pharmacognosy, College of Pharmacy, Hawler Medical University, Erbil, Kurdistan Region 44002, Iraq
| | - Twana Alkasalias
- General Directorate of Scientific Research Center, Salahaddin University‑Erbil, Erbil, Kurdistan Region 44002, Iraq
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Calaf GM, Crispin LA, Muñoz JP, Aguayo F, Bleak TC. Muscarinic Receptors Associated with Cancer. Cancers (Basel) 2022; 14:cancers14092322. [PMID: 35565451 PMCID: PMC9100020 DOI: 10.3390/cancers14092322] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 04/26/2022] [Accepted: 04/30/2022] [Indexed: 02/01/2023] Open
Abstract
Simple Summary Recently, cancer research has described the presence of the cholinergic machinery, specifically muscarinic receptors, in a wide variety of cancers due to their activation and signaling pathways associated with tumor progression and metastasis, providing a wide overview of their contribution to different cancer formation and development for new antitumor targets. This review focused on determining the molecular signatures associated with muscarinic receptors in breast and other cancers and the need for pharmacological, molecular, biochemical, technological, and clinical approaches to improve new therapeutic targets. Abstract Cancer has been considered the pathology of the century and factors such as the environment may play an important etiological role. The ability of muscarinic agonists to stimulate growth and muscarinic receptor antagonists to inhibit tumor growth has been demonstrated for breast, melanoma, lung, gastric, colon, pancreatic, ovarian, prostate, and brain cancer. This work aimed to study the correlation between epidermal growth factor receptors and cholinergic muscarinic receptors, the survival differences adjusted by the stage clinical factor, and the association between gene expression and immune infiltration level in breast, lung, stomach, colon, liver, prostate, and glioblastoma human cancers. Thus, targeting cholinergic muscarinic receptors appears to be an attractive therapeutic alternative due to the complex signaling pathways involved.
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Affiliation(s)
- Gloria M. Calaf
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica 1000000, Chile; (L.A.C.); (J.P.M.); (T.C.B.)
- Correspondence:
| | - Leodan A. Crispin
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica 1000000, Chile; (L.A.C.); (J.P.M.); (T.C.B.)
| | - Juan P. Muñoz
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica 1000000, Chile; (L.A.C.); (J.P.M.); (T.C.B.)
| | - Francisco Aguayo
- Laboratorio de Oncovirología, Programa de Virología, Instituto de Ciencias Biomédicas (ICBM), Facultad de Medicina, Universidad de Chile, Santiago 8380000, Chile;
| | - Tammy C. Bleak
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica 1000000, Chile; (L.A.C.); (J.P.M.); (T.C.B.)
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Liu HM, Ma LL, Li C, Cao B, Jiang Y, Han L, Xu R, Lin J, Zhang D. The molecular mechanism of chronic stress affecting the occurrence and development of breast cancer and potential drug therapy. Transl Oncol 2021; 15:101281. [PMID: 34875482 PMCID: PMC8652015 DOI: 10.1016/j.tranon.2021.101281] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 11/08/2021] [Indexed: 12/14/2022] Open
Abstract
According to the 2020 data released by the International Agency for Research on Cancer, breast cancer has surpassed lung cancer as the world's most newly diagnosed first-time cancer. Compared with patients with other types of cancer, those with breast cancer experience greater mental stress and more severe psychological impacts because of the life-threatening diagnosis, physical changes, treatment side effects, and family and social life dysfunctions. These usually manifest as anxiety, depression, nervousness, and insomnia, all of which elicit stress responses. Particularly under chronic stress, the continuous release of neurotransmitters from the neuroendocrine system can have a highly profound impact on the occurrence and prognosis of breast cancer. However, because of the complex mechanisms underlying chronic stress and the variability in individual tolerance, evidence of the role of chronic stress in the occurrence and evolution of breast cancer remains unclear. This article reviewed previous research on the correlation between chronic stress and the occurrence and development of breast cancer, particularly the molecular mechanism through which chronic stress promotes breast cancer via neurotransmitters secreted by the nervous system. We also review the progress in the development of potential drugs or blockers for the treatment of breast cancer by targeting the neuroendocrine system.
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Affiliation(s)
- Hui-Min Liu
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, No. 1066 Avenue Liutai, Chengdu 611137, China
| | - Le-le Ma
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, No. 1066 Avenue Liutai, Chengdu 611137, China
| | - Chunyu Li
- National Cancer Center, National Clinical Research Center for Cancer, Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Bo Cao
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, No. 1066 Avenue Liutai, Chengdu 611137, China; National Cancer Center, National Clinical Research Center for Cancer, Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Yifang Jiang
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, No. 39 Road Shierqiao, Chengdu 610072, China
| | - Li Han
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, No. 1066 Avenue Liutai, Chengdu 611137, China
| | - Runchun Xu
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, No. 1066 Avenue Liutai, Chengdu 611137, China.
| | - Junzhi Lin
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, No. 39 Road Shierqiao, Chengdu 610072, China.
| | - Dingkun Zhang
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, No. 1066 Avenue Liutai, Chengdu 611137, China.
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Han J, Liu Q, Xu X, Qin W, Pan Y, Qin R, Zhao R, Gu Y, Gu J, Ren S. Relative Quantitation of Subclass-Specific Murine IgG Fc N-Glycoforms by Multiple Reaction Monitoring. ACS OMEGA 2020; 5:8564-8571. [PMID: 32337418 PMCID: PMC7178347 DOI: 10.1021/acsomega.9b04412] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/22/2019] [Accepted: 03/26/2020] [Indexed: 06/11/2023]
Abstract
N-Linked glycosylation of the fragment crystallizable (Fc) domain of immunoglobulin G (IgG) is considered a significant modulator of antibody functions, which is known to be subclass-specific. As mice are the most widely used model organisms in immunological research, determining the variation in Fc glycosylation among each murine IgG subclass in different physiological or pathological statuses is beneficial for studying how the IgG subclass effector function is affected by Fc glycosylation. In this study, we established a method to quantify murine IgG Fc glycoforms normalized to the protein abundance at a subclass-specific level for various mouse strains using multiple reaction monitoring. The glycoform level was normalized to the subclass protein abundance (subclass-specific peptide intensity) in each IgG subclass to eliminate the contribution from the subclass protein abundance. Both good linearity and high repeatability of the method were validated by investigating a mixed mouse serum sample. The method was applied to quantify the differences in subclass-specific IgG Fc N-glycoforms between systemic sclerosis (SSc) mice and healthy control mice. The results demonstrated that each IgG subclass had its own characteristic-altered glycosylation, implying the close association of subclass-specific IgG Fc glycosylation with SSc in mice. This report demonstrates a method with great reliability and practicality that has promising potential for the relative quantitation of subclass-specific IgG Fc N-glycoforms in multiple mouse models.
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Affiliation(s)
- Jing Han
- NHC
Key Laboratory of Glycoconjugates Research, Department of Biochemistry
and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Qingmei Liu
- Department
of Dermatology, Huashan Hospital, Fudan
University, Shanghai 200040, China
- State
Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai 200433, China
| | - Xiaoyan Xu
- NHC
Key Laboratory of Glycoconjugates Research, Department of Biochemistry
and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Wenjun Qin
- NHC
Key Laboratory of Glycoconjugates Research, Department of Biochemistry
and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Yiqing Pan
- NHC
Key Laboratory of Glycoconjugates Research, Department of Biochemistry
and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Ruihuan Qin
- NHC
Key Laboratory of Glycoconjugates Research, Department of Biochemistry
and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Ran Zhao
- Obstetrics
and Gynecology Hospital, Fudan University, Shanghai 200090, China
| | - Yong Gu
- NHC
Key Laboratory of Glycoconjugates Research, Department of Biochemistry
and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Jianxin Gu
- NHC
Key Laboratory of Glycoconjugates Research, Department of Biochemistry
and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Shifang Ren
- NHC
Key Laboratory of Glycoconjugates Research, Department of Biochemistry
and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
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Chen J, Cheuk IWY, Shin VY, Kwong A. Acetylcholine receptors: Key players in cancer development. Surg Oncol 2019; 31:46-53. [PMID: 31536927 DOI: 10.1016/j.suronc.2019.09.003] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Revised: 01/15/2019] [Accepted: 09/04/2019] [Indexed: 12/13/2022]
Abstract
Acetylcholine (ACh) was first identified as a classic neuromodulator and transmit signals through two subgroups of receptors, namely muscarinic receptors (mAChRs) and nicotinic receptors (nAChRs). Apart from its well-established physiological role in central nervous system (CNS) and peripheral nervous system (PNS), autonomic nervous system and neuromuscular junction, the widely distributed expression of AChRs in different human organs suggests roles in other biological processes in addition to synaptic transmission. Accumulating evidence revealed that cancer cell processes such as proliferation, apoptosis, angiogenesis and even epithelial-mesenchymal transition (EMT) are mediated by overexpression of AChRs in different kinds of tumors. In breast cancer, α7-nAChR and α9-nAChR were reported to be oncogenic. On the other hand, research on the role of mAChRs in breast cancer tumorgenesis is limited and confined to M3 receptor only. Since AChRs distributed in both CNS and PNS even non-neuronal tissues, there is an urgent need for the development of subtype-specific AChR antagonist which inhibits cancer cell progression with minimal intervention on the normal acetylcholine-regulated system within human body.
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Affiliation(s)
- Jiawei Chen
- Department of Surgery, The University of Hong Kong, Hong Kong
| | | | | | - Ava Kwong
- Department of Surgery, The University of Hong Kong, Hong Kong; Department of Surgery, Hong Kong Sanatorium & Hospital, Hong Kong; Centre of Cancer Genetics Centre, Hong Kong Sanatorium & Hospital, Hong Kong.
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Paroxetine Induces Apoptosis of Human Breast Cancer MCF-7 Cells through Ca 2+-and p38 MAP Kinase-Dependent ROS Generation. Cancers (Basel) 2019; 11:cancers11010064. [PMID: 30634506 PMCID: PMC6356564 DOI: 10.3390/cancers11010064] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2018] [Accepted: 01/04/2019] [Indexed: 12/16/2022] Open
Abstract
Depression is more common in women with breast cancer than the general population. Selective serotonin reuptake inhibitors (SSRIs), a group of antidepressants, are widely used for the treatment of patients with depression and a range of anxiety-related disorders. The association between the use of antidepressant medication and breast cancer is controversial. In this study, we investigated whether and how SSRIs induce the death of human breast cancer MCF-7 cells. Of the antidepressants tested in this study (amitriptyline, bupropion, fluoxetine, paroxetine, and tianeptine), paroxetine most reduced the viability of MCF-7 cells in a time-and dose-dependent manner. The exposure of MCF-7 cells to paroxetine resulted in mitochondrion-mediated apoptosis, which is assessed by increase in the number of cells with sub-G1 DNA content, caspase-8/9 activation, poly (ADP-ribose) polymerase cleavage, and Bax/Bcl-2 ratio and a reduction in the mitochondrial membrane potential. Paroxetine increased a generation of reactive oxygen species (ROS), intracellular Ca2+ levels, and p38 MAPK activation. The paroxetine-induced apoptotic events were reduced by ROS scavengers and p38 MAPK inhibitor, and the paroxetine’s effect was dependent on extracellular Ca2+ level. Paroxetine also showed a synergistic effect on cell death induced by chemotherapeutic drugs in MCF-7 and MDA-MB-231 cells. Our results showed that paroxetine induced apoptosis of human breast cancer MCF-7 cells through extracellular Ca2+-and p38 MAPK-dependent ROS generation. These results suggest that paroxetine may serve as an anticancer adjuvant to current cancer therapies for breast cancer patients with or without depression.
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Sales ME, Español AJ, Salem AR, Pulido PM, Sanchez Y, Sanchez F. Role of Muscarinic Acetylcholine Receptors in Breast Cancer: Design of Metronomic Chemotherapy. CURRENT CLINICAL PHARMACOLOGY 2019; 14:91-100. [PMID: 30501602 PMCID: PMC7011678 DOI: 10.2174/1574884714666181203095437] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 11/15/2018] [Accepted: 11/15/2018] [Indexed: 12/14/2022]
Abstract
BACKGROUND muscarinic acetylcholine receptors (mAChRs) have attracted interest as targets for therapeutic interventions in different illnesses like Alzheimer´s disease, viral infections and different tumors. Regarding the latter, many authors have studied each subtype of mAChRs, which seem to be involved in the progression of distinct types of malignancies. METHODS We carefully revised research literature focused on mAChRs expression and signaling as well as in their involvement in cancer progression and treatment. The characteristics of screened papers were described using the mentioned conceptual framework. RESULTS Muscarinic antagonists and agonists have been assayed for the treatment of tumors established in lung, brain and breast with beneficial effects. We described an up-regulation of mAChRs in mammary tumors and the lack of expression in non-tumorigenic breast cells and normal mammary tissues. We and others demonstrated that muscarinic agonists can trigger anti-tumor actions in a dose-dependent manner on tumors originated in different organs like brain or breast. At pharmacological concentrations, they exert similar effects to traditional chemotherapeutic agents. Metronomic chemotherapy refers to the administration of anti-cancer drugs at low doses with short intervals among them, and it is a different regimen applied in cancer treatment reducing malignant growth and angiogenesis, and very low incidence of adverse effects. CONCLUSION The usage of subthreshold concentrations of muscarinic agonists combined with conventional chemotherapeutic agents could be a promising tool for breast cancer therapy.
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Affiliation(s)
- María E. Sales
- Centro de Estudios Farmacológicos y Botánicos (CEFYBO)-CONICET. 2da Cátedra de Farmacología, Facultad de Medicina, Universidad de Buenos Aires (UBA), Buenos Aires, Argentina
| | - Alejandro J. Español
- Centro de Estudios Farmacológicos y Botánicos (CEFYBO)-CONICET. 2da Cátedra de Farmacología, Facultad de Medicina, Universidad de Buenos Aires (UBA), Buenos Aires, Argentina
| | - Agustina R. Salem
- Centro de Estudios Farmacológicos y Botánicos (CEFYBO)-CONICET. 2da Cátedra de Farmacología, Facultad de Medicina, Universidad de Buenos Aires (UBA), Buenos Aires, Argentina
| | - Paola M. Pulido
- Centro de Estudios Farmacológicos y Botánicos (CEFYBO)-CONICET. 2da Cátedra de Farmacología, Facultad de Medicina, Universidad de Buenos Aires (UBA), Buenos Aires, Argentina
| | - Y. Sanchez
- Centro de Estudios Farmacológicos y Botánicos (CEFYBO)-CONICET. 2da Cátedra de Farmacología, Facultad de Medicina, Universidad de Buenos Aires (UBA), Buenos Aires, Argentina
| | - Francisco Sanchez
- Centro de Estudios Farmacológicos y Botánicos (CEFYBO)-CONICET. 2da Cátedra de Farmacología, Facultad de Medicina, Universidad de Buenos Aires (UBA), Buenos Aires, Argentina
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Li Y, Wang J, Xiao Y, Wang Y, Chen S, Yang Y, Lu A, Zhang S. A systems pharmacology approach to investigate the mechanisms of action of Semen Strychni and Tripterygium wilfordii Hook F for treatment of rheumatoid arthritis. JOURNAL OF ETHNOPHARMACOLOGY 2015; 175:301-314. [PMID: 26386382 DOI: 10.1016/j.jep.2015.09.016] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2015] [Revised: 09/02/2015] [Accepted: 09/13/2015] [Indexed: 06/05/2023]
Abstract
ETHNOPHARMACOLOGY RELEVANCE The angiogenesis control at the initiation of rheumatoid arthritis (RA) that mainly blocks the inflammatory cascades expects to attenuate the action of angiogenic mediators, synovial angiogenesis, and to partially reverse the erosive bone damage. Two typical Chinese herbs, Semen Strychni and Tripterygium wilfordii Hook F (TwHF) have been used as a remedy to treat RA since ancient time. However, their functioning mechanisms are still unknown. Thus it is necessary to exploit their underlying mechanism for the treatment of RA. METHODS This study was undertaken to analyze their underlying mechanism based on a systems biology platform. Firstly, active components of the two herbs were screened out from TcmSP database based on their OB and DL values. Then their potential targets were predicted by using Random Forest, Support Vector Machine, and validated via docking process. Finally, a network of compound-target was constructed. RESULTS In this work, 27 and 33 active compounds were screened out from Semen Strychni and TwHF, targeting 28 and 32 potential proteins, respectively. The results show that the two herbs modulate the angiogenesis mediators through both direct and indirect pathways, and 21 common targets shared by Semen Strychni and TwHF bear major responsibility for treating RA. CONCLUSIONS The underlying mechanism of Semen Strychni and TwHF in treatment of RA is through multiple targets interaction by their blocking of the angiogenesis mediator cascades. This may provide us a better understanding of the function of the two herbs for the treatment of RA, as well as a clue to unveil their possible treatment effects of other systemic diseases, and in this way, hopefully the screening models may facilitate the discovery of novel combined drugs.
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Affiliation(s)
- Yan Li
- Key laboratory of Industrial Ecology and Environmental Engineering (MOE), Faculty of Chemical, Environmental and Biological Science and Technology, Dalian University of Technology, Dalian, Liaoning 116024, PR China.
| | - Jinghui Wang
- Key laboratory of Industrial Ecology and Environmental Engineering (MOE), Faculty of Chemical, Environmental and Biological Science and Technology, Dalian University of Technology, Dalian, Liaoning 116024, PR China
| | - Yuanchun Xiao
- Key laboratory of Industrial Ecology and Environmental Engineering (MOE), Faculty of Chemical, Environmental and Biological Science and Technology, Dalian University of Technology, Dalian, Liaoning 116024, PR China
| | - Yonghua Wang
- Center of Bioinformatics, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Sushing Chen
- Department of Computer Information Science & Engineering, Systems Biology Lab, University of Florida-Gainesville, FL 32611, USA
| | - Yinfeng Yang
- Key laboratory of Industrial Ecology and Environmental Engineering (MOE), Faculty of Chemical, Environmental and Biological Science and Technology, Dalian University of Technology, Dalian, Liaoning 116024, PR China
| | - Aiping Lu
- School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tong 999077, Hong Kong
| | - Shuwei Zhang
- Key laboratory of Industrial Ecology and Environmental Engineering (MOE), Faculty of Chemical, Environmental and Biological Science and Technology, Dalian University of Technology, Dalian, Liaoning 116024, PR China
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Suriyo T, Tachachartvanich P, Visitnonthachai D, Watcharasit P, Satayavivad J. Chlorpyrifos promotes colorectal adenocarcinoma H508 cell growth through the activation of EGFR/ERK1/2 signaling pathway but not cholinergic pathway. Toxicology 2015; 338:117-29. [PMID: 26514924 DOI: 10.1016/j.tox.2015.10.009] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2015] [Revised: 10/19/2015] [Accepted: 10/19/2015] [Indexed: 01/08/2023]
Abstract
Aside from the effects on neuronal cholinergic system, epidemiological studies suggest an association between chlorpyrifos (CPF) exposure and cancer risk. This in vitro study examined the effects of CPF and its toxic metabolite, chlorpyrifos oxon (CPF-O), on the growth of human colorectal adenocarcinoma H508, colorectal adenocarcinoma HT-29, normal colon epithelial CCD841, liver hepatocellular carcinoma HepG2, and normal liver hepatocyte THLE-3 cells. The results showed that CPF (5-100 μM) concentration-dependently increased viability of H508 and CCD841 cells in serum-free conditions. This increasing trend was not found in HT-29, HepG2 and THLE-3 cells. In contrast, CPF-O (50-100 μM) reduced the viability of all cell lines. Cell cycle analysis showed the induction of cells in the S phase, and EdU incorporation assay revealed the induction of DNA synthesis in CPF-treated H508 cells indicating that CPF promotes cell cycle progression. Despite the observation of acetylcholinesterase activity inhibition and reactive oxygen species (ROS) generation, atropine (a non-selective muscarinic acetylcholine receptor antagonist) and N-acetylcysteine (a potent antioxidant) failed to inhibit the growth-promoting effect of CPF. CPF increased the phosphorylation of epidermal growth factor receptor (EGFR) and its downstream effector, extracellular signal regulated kinase (ERK1/2), in H508 cells. AG-1478 (a specific EGFR tyrosine kinase inhibitor) and U0126 (a specific MEK inhibitor) completely mitigated the growth promoting effect of CPF. Altogether, these results suggest that EGFR/ERK1/2 signaling pathway but not cholinergic pathway involves in CPF-induced colorectal adenocarcinoma H508 cell growth.
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Affiliation(s)
- Tawit Suriyo
- Laboratory of Pharmacology, Chulabhorn Research Institute, Bangkok 10210, Thailand
| | - Phum Tachachartvanich
- Environmental Toxicology Program, Chulabhorn Graduate Institute, Bangkok 10210, Thailand
| | | | - Piyajit Watcharasit
- Laboratory of Pharmacology, Chulabhorn Research Institute, Bangkok 10210, Thailand; Environmental Toxicology Program, Chulabhorn Graduate Institute, Bangkok 10210, Thailand
| | - Jutamaad Satayavivad
- Laboratory of Pharmacology, Chulabhorn Research Institute, Bangkok 10210, Thailand; Environmental Toxicology Program, Chulabhorn Graduate Institute, Bangkok 10210, Thailand; Center of Excellence on Environmental Health and Toxicology, Office of Higher Education Commission, Ministry of Education, Bangkok 10400, Thailand.
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12
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Agonistic autoantibodies directed against G-protein-coupled receptors and their relationship to cardiovascular diseases. Semin Immunopathol 2014; 36:351-63. [PMID: 24777744 DOI: 10.1007/s00281-014-0425-9] [Citation(s) in RCA: 80] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2014] [Accepted: 04/01/2014] [Indexed: 02/06/2023]
Abstract
Agonistic autoantibodies (AABs) against G-protein-coupled receptor (GPCR) are present mainly in diseases of the cardiovascular system or in diseases associated with cardiovascular disturbances. The increasing knowledge about the role of autoantibodies against G-protein-coupled receptor (GPCR-AABs) as pathogenic drivers, the resulting development of strategies aimed at their removal or neutralization, and the evidenced patient benefit associated with such therapies have created the need for a summary of GPCR-AAB-associated diseases. Here, we summarize the present knowledge about GPCR-AABs in cardiovascular diseases. The identity of the GPCR-AABs and their prevalence in each of several specific cardiovascular diseases are documented. The structure of GPCR is also briefly discussed. Using this information, differences between classic agonists and GPCR-AABs in their GPCR binding and activation are presented and the resulting pathogenic consequences are discussed. Furthermore, treatment strategies that are currently under study, most of which are aimed at the removal and in vivo neutralization of GPCR-AABs, are indicated and their patient benefits discussed. In this context, immunoadsorption using peptides/proteins or aptamers as binders are introduced. The use of peptides or aptamers for in vivo neutralization of GPCR-AABs is also described. Particular attention is given to the GPCR-AABs directed against the adrenergic beta1-, beta2-, and α1-receptor as well as the muscarinic receptor M2, angiotensin II-angiotensin receptor type I, endothelin1 receptor type A, angiotensin (1-7) Mas-receptor, and 5-hydroxytryptamine receptor 4. Among the diseases associated with GPCR-AABs, special focus is given to idiopathic dilated cardiomyopathy, Chagas' cardiomyopathy, malignant and pulmonary hypertension, and kidney diseases. Relationships of GPCR-AABs are indicated to glaucoma, peripartum cardiomyopathy, myocarditis, pericarditis, preeclampsia, Alzheimer's disease, Sjörgren's syndrome, and metabolic syndrome after cancer chemotherapy.
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Nonneuronal Cholinergic System in Breast Tumors and Dendritic Cells: Does It Improve or Worsen the Response to Tumor? ACTA ACUST UNITED AC 2013. [DOI: 10.1155/2013/486545] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Besides being the main neurotransmitter in the parasympathetic nervous system, acetylcholine (ACh) can act as a signaling molecule in nonneuronal tissues. For this reason, ACh and the enzymes that synthesize and degrade it (choline acetyltransferase and acetylcholinesterase) as well as muscarinic (mAChRs) and nicotinic receptors conform the non-neuronal cholinergic system (nNCS). It has been reported that nNCS regulates basal cellular functions including survival, proliferation, adhesion, and migration. Moreover, nNCS is broadly expressed in tumors and in different components of the immune system. In this review, we summarize the role of nNCS in tumors and in different immune cell types focusing on the expression and function of mAChRs in breast tumors and dendritic cells (DCs) and discussing the role of DCs in breast cancer.
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Lombardi MG, Negroni MP, Pelegrina LT, Castro ME, Fiszman GL, Azar ME, Morgado CC, Sales ME. Autoantibodies against muscarinic receptors in breast cancer: their role in tumor angiogenesis. PLoS One 2013; 8:e57572. [PMID: 23460876 PMCID: PMC3583830 DOI: 10.1371/journal.pone.0057572] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2012] [Accepted: 01/22/2013] [Indexed: 11/19/2022] Open
Abstract
The presence of autoantibodies in cancer has become relevant in recent years. We demonstrated that autoantibodies purified from the sera of breast cancer patients activate muscarinic acetylcholine receptors in tumor cells. Immunoglobulin G (IgG) from breast cancer patients in T1N0Mx stage (tumor size≤2 cm, without lymph node metastasis) mimics the action of the muscarinic agonist carbachol stimulating MCF-7 cell proliferation, migration and invasion. Angiogenesis is a central step in tumor progression because it promotes tumor invasion and metastatic spread. Vascular endothelial growth factor-A (VEGF-A) is the main angiogenic mediator, and its levels have been correlated with poor prognosis in cancer. The aim of the present work was to investigate the effect of T1N0Mx-IgG on the expression of VEGF-A, and the in vivo neovascular response triggered by MCF-7 cells, via muscarinic receptor activation. We demonstrated that T1N0Mx-IgG (10(-8) M) and carbachol (10(-9) M) increased the constitutive expression of VEGF-A in tumor cells, effect that was reverted by the muscarinic antagonist atropine. We also observed that T1N0Mx-IgG and carbachol enhanced the neovascular response produced by MCF-7 cells in the skin of NUDE mice. The action of IgG or carbachol was reduced in the presence of atropine. In conclusion, T1N0Mx-IgG and carbachol may promote VEGF-A production and neovascularization induced by breast tumor cells via muscarinic receptors activation. These effects may be accelerating breast tumor progression.
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Affiliation(s)
- María Gabriela Lombardi
- Laboratorio de Inmunofarmacología Tumoral, Centro de Estudios Farmacológicos y Botánicos (CEFYBO)-CONICET, UBA. Buenos Aires, Argentina
| | - María Pía Negroni
- Pathology Department, Medical School, University of Massachusetts, Worcester, Massachusetts, United States of America
| | - Laura Tatiana Pelegrina
- Laboratorio de Inmunofarmacología Tumoral, Centro de Estudios Farmacológicos y Botánicos (CEFYBO)-CONICET, UBA. Buenos Aires, Argentina
| | - María Ester Castro
- Laboratorio de Inmunofarmacología Tumoral, Centro de Estudios Farmacológicos y Botánicos (CEFYBO)-CONICET, UBA. Buenos Aires, Argentina
| | | | | | | | - María Elena Sales
- Laboratorio de Inmunofarmacología Tumoral, Centro de Estudios Farmacológicos y Botánicos (CEFYBO)-CONICET, UBA. Buenos Aires, Argentina
- * E-mail:
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Pelegrina LT, Lombardi MG, Fiszman GL, Azar ME, Morgado CC, Sales ME. Immunoglobulin g from breast cancer patients regulates MCF-7 cells migration and MMP-9 activity by stimulating muscarinic acetylcholine receptors. J Clin Immunol 2012; 33:427-35. [PMID: 23007238 DOI: 10.1007/s10875-012-9804-y] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2012] [Accepted: 09/16/2012] [Indexed: 12/18/2022]
Abstract
PURPOSE We have previously reported the expression of muscarinic acetylcholine receptors (mAChR) in human breast tumors. The activation of these receptors triggered tumor cell proliferation. Considering that invasion and metastasis is the major cause of death in cancer, we investigated the action of autoantibodies against mAChR derived from breast cancer patients in stage I (T1N0Mx-IgG) on MCF-7 cells migration and metalloproteinase-9 (MMP-9) activity. We also analyzed the participation of phospholipase C/nitric oxide synthase/protein kinase C pathway. METHODS Immunoglobulin G (IgG) was purified by chromatography in protein G-agarose from blood samples of breast cancer patients obtained under informed consent. Migration was assayed by an in vitro wound assay. MMP-9 activity was quantified by zymography. RESULTS T1N0Mx-IgG promoted tumor cell migration and increased MMP9 activity mimicking the action of the muscarinic agonist carbachol. This effect was reduced not only by the presence of atropine but also by 4-DAMP or tropicamide, antagonists for M(3) and M(4) mAChR subtypes respectively. The actions of T1N0Mx-IgG and carbachol on MCF-7 cells, involved the participation of phospholipase C/nitric oxide synthase/protein kinase C pathway. CONCLUSIONS IgG from breast cancer patients in stage I could be promoting tumor progression by regulating migration and MMP-9 activity in tumor cells via mAChR activation. The presence of these autoantibodies could be determining the prognosis of breast cancer in these patients.
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Affiliation(s)
- Laura T Pelegrina
- Centro de Estudios Farmacológicos y Botánicos (CEFYBO)-CONICET, Facultad de Medicina, Universidad de Buenos Aires, Paraguay 2155 piso 16, Buenos Aires, CP 1121, Argentina
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Abstract
Many epithelial and endothelial cells express a cholinergic autocrine loop in which acetylcholine acts as a growth factor to stimulate cell growth. Cancers derived from these tissues similarly express a cholinergic autocrine loop and ACh secreted by the cancer or neighboring cells interacts with M3 muscarinic receptors expressed on the cancer cells to stimulate tumor growth. Primary proliferative pathways involve MAPK and Akt activation. The ability of muscarinic agonists to stimulate, and M3 antagonists to inhibit tumor growth has clearly been demonstrated for lung and colon cancer. The ability of muscarinic agonists to stimulate growth has been shown for melanoma, pancreatic, breast, ovarian, prostate and brain cancers, suggesting that M3 antagonists will also inhibit growth of these tumors as well. As yet no clinical trials have proven the efficacy of M3 antagonists as cancer therapeutics, though the widespread clinical use and low toxicity of M3 antagonists support the potential role of these drugs as adjuvants to current cancer therapies.
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Affiliation(s)
- Eliot R Spindel
- Division of Neuroscience, Oregon National Primate Research Center, Oregon Health and Science University, 505 NW 185th Avenue, Beaverton, OR 97006, USA.
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