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Ge S, Khachemoune A. Neuroanatomy of the Cutaneous Nervous System Regarding Wound Healing. INT J LOW EXTR WOUND 2024; 23:191-204. [PMID: 34779294 DOI: 10.1177/15347346211054598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Wound healing is an important topic in modern medicine across many disciplines. Healing of all cutaneous wounds, whether accidentally sustained or intentionally created, requires the common yet complex set of interactions between the immune, circulatory, nervous, endocrine, and integumentary systems. Deficits in any of these systems or the molecular factors that mediate their communications can contribute to impaired healing of cutaneous wounds. While the stages of wound repair, angiogenesis, growth factors, and cytokines involved have been extensively studied, the role of the cutaneous nervous system in wound healing has not been well outlined. We have provided a basic overview of cutaneous innervation and wound repair for the dermatologic surgeon by outlining the normal cutaneous nervous anatomy and function and discussing the most important neuropeptides that mediate the wound healing process.
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Affiliation(s)
| | - Amor Khachemoune
- Veterans Affairs Medical Center, Brooklyn, NY, USA
- SUNY Downstate, Brooklyn, NY USA
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2
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Shalabi S, Belayachi A, Larrivée B. Involvement of neuronal factors in tumor angiogenesis and the shaping of the cancer microenvironment. Front Immunol 2024; 15:1284629. [PMID: 38375479 PMCID: PMC10875004 DOI: 10.3389/fimmu.2024.1284629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Accepted: 01/09/2024] [Indexed: 02/21/2024] Open
Abstract
Emerging evidence suggests that nerves within the tumor microenvironment play a crucial role in regulating angiogenesis. Neurotransmitters and neuropeptides released by nerves can interact with nearby blood vessels and tumor cells, influencing their behavior and modulating the angiogenic response. Moreover, nerve-derived signals may activate signaling pathways that enhance the production of pro-angiogenic factors within the tumor microenvironment, further supporting blood vessel growth around tumors. The intricate network of communication between neural constituents and the vascular system accentuates the potential of therapeutically targeting neural-mediated pathways as an innovative strategy to modulate tumor angiogenesis and, consequently, neoplastic proliferation. Hereby, we review studies that evaluate the precise molecular interplay and the potential clinical ramifications of manipulating neural elements for the purpose of anti-angiogenic therapeutics within the scope of cancer treatment.
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Affiliation(s)
- Sharif Shalabi
- Maisonneuve-Rosemont Hospital Research Center, Boulevard de l’Assomption, Montréal, QC, Canada
| | - Ali Belayachi
- Maisonneuve-Rosemont Hospital Research Center, Boulevard de l’Assomption, Montréal, QC, Canada
| | - Bruno Larrivée
- Maisonneuve-Rosemont Hospital Research Center, Boulevard de l’Assomption, Montréal, QC, Canada
- Department of Biochemistry and Molecular Medicine, Montréal, QC, Canada
- Ophthalmology, Université de Montréal, boul. Édouard-Montpetit, Montréal, QC, Canada
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3
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Hao Y, Su Y, He Y, Zhang W, Liu Y, Guo Y, Chen X, Liu C, Han S, Wang B, Liu Y, Zhao W, Mu L, Wang J, Peng H, Han J, Kong Q. Impaired cerebral microvascular endothelial cells integrity due to elevated dopamine in myasthenic model. J Neuroinflammation 2024; 21:10. [PMID: 38178152 PMCID: PMC10765813 DOI: 10.1186/s12974-023-03005-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 12/22/2023] [Indexed: 01/06/2024] Open
Abstract
Myasthenia gravis is an autoimmune disease characterized by pathogenic antibodies that target structures of the neuromuscular junction. However, some patients also experience autonomic dysfunction, anxiety, depression, and other neurological symptoms, suggesting the complex nature of the neurological manifestations. With the aim of explaining the symptoms related to the central nervous system, we utilized a rat model to investigate the impact of dopamine signaling in the central nervous and peripheral circulation. We adopted several screening methods, including western blot, quantitative PCR, mass spectrum technique, immunohistochemistry, immunofluorescence staining, and flow cytometry. In this study, we observed increased and activated dopamine signaling in both the central nervous system and peripheral circulation of myasthenia gravis rats. Furthermore, changes in the expression of two key molecules, Claudin5 and CD31, in endothelial cells of the blood-brain barrier were also examined in these rats. We also confirmed that dopamine incubation reduced the expression of ZO1, Claudin5, and CD31 in endothelial cells by inhibiting the Wnt/β-catenin signaling pathway. Overall, this study provides novel evidence suggesting that pathologically elevated dopamine in both the central nervous and peripheral circulation of myasthenia gravis rats impair brain-blood barrier integrity by inhibiting junction protein expression in brain microvascular endothelial cells through the Wnt/β-catenin pathway.
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Affiliation(s)
- Yue Hao
- Department of Neurobiology, Harbin Medical University, Heilongjiang Provincial Key Laboratory of Neurobiology, Harbin, 150081, Heilongjiang, China
| | - Yinchun Su
- Department of Neurobiology, Harbin Medical University, Heilongjiang Provincial Key Laboratory of Neurobiology, Harbin, 150081, Heilongjiang, China
| | - Yifan He
- Department of Neurobiology, Harbin Medical University, Heilongjiang Provincial Key Laboratory of Neurobiology, Harbin, 150081, Heilongjiang, China
| | - Wenyuan Zhang
- Department of Neurobiology, Harbin Medical University, Heilongjiang Provincial Key Laboratory of Neurobiology, Harbin, 150081, Heilongjiang, China
| | - Yang Liu
- Department of Neurobiology, Harbin Medical University, Heilongjiang Provincial Key Laboratory of Neurobiology, Harbin, 150081, Heilongjiang, China
| | - Yu Guo
- Department of Neurobiology, Harbin Medical University, Heilongjiang Provincial Key Laboratory of Neurobiology, Harbin, 150081, Heilongjiang, China
| | - Xingfan Chen
- Department of Neurobiology, Harbin Medical University, Heilongjiang Provincial Key Laboratory of Neurobiology, Harbin, 150081, Heilongjiang, China
| | - Chunhan Liu
- Department of Neurobiology, Harbin Medical University, Heilongjiang Provincial Key Laboratory of Neurobiology, Harbin, 150081, Heilongjiang, China
| | - Siyu Han
- Department of Neurobiology, Harbin Medical University, Heilongjiang Provincial Key Laboratory of Neurobiology, Harbin, 150081, Heilongjiang, China
| | - Buyi Wang
- Department of Neurobiology, Harbin Medical University, Heilongjiang Provincial Key Laboratory of Neurobiology, Harbin, 150081, Heilongjiang, China
| | - Yushuang Liu
- Medicine Department of Guangzhou Geriatric Hospital, Guangzhou, 510260, Guangdong, China
| | - Wei Zhao
- Department of Neurobiology, Harbin Medical University, Heilongjiang Provincial Key Laboratory of Neurobiology, Harbin, 150081, Heilongjiang, China
| | - Lili Mu
- Department of Neurobiology, Harbin Medical University, Heilongjiang Provincial Key Laboratory of Neurobiology, Harbin, 150081, Heilongjiang, China
| | - Jinghua Wang
- Department of Neurobiology, Harbin Medical University, Heilongjiang Provincial Key Laboratory of Neurobiology, Harbin, 150081, Heilongjiang, China
| | - Haisheng Peng
- Department of Pharmacology, School of Medicine, Shaoxing University, Shaoxing, 312000, Zhejiang, China.
| | - Junwei Han
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, 150081, Heilongjiang, China.
| | - Qingfei Kong
- Department of Neurobiology, Harbin Medical University, Heilongjiang Provincial Key Laboratory of Neurobiology, Harbin, 150081, Heilongjiang, China.
- The Heilongjiang Provincial Joint Laboratory of Basic Medicine and Multiple Organ System Diseases (International Cooperation), Harbin, 150081, Heilongjiang, China.
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Edgar KS, Cunning C, Gardiner TA, McDonald DM. BH4 supplementation reduces retinal cell death in ischaemic retinopathy. Sci Rep 2023; 13:21292. [PMID: 38042898 PMCID: PMC10693630 DOI: 10.1038/s41598-023-48167-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 11/22/2023] [Indexed: 12/04/2023] Open
Abstract
Dysregulation of nitric oxide (NO) production can cause ischaemic retinal injury and result in blindness. How this dysregulation occurs is poorly understood but thought to be due to an impairment in NO synthase function (NOS) and nitro-oxidative stress. Here we investigated the possibility of correcting this defective NOS activity by supplementation with the cofactor tetrahydrobiopterin, BH4. Retinal ischaemia was examined using the oxygen-induced retinopathy model and BH4 deficient Hph-1 mice used to establish the relationship between NOS activity and BH4. Mice were treated with the stable BH4 precursor sepiapterin at the onset of hypoxia and their retinas assessed 48 h later. HPLC analysis confirmed elevated BH4 levels in all sepiapterin supplemented groups and increased NOS activity. Sepiapterin treatment caused a significant decrease in neuronal cell death in the inner nuclear layer that was most notable in WT animals and was associated with significantly diminished superoxide and local peroxynitrite formation. Interestingly, sepiapterin also increased inflammatory cytokine levels but not microglia cell number. BH4 supplementation by sepiapterin improved both redox state and neuronal survival during retinal ischaemia, in spite of a paradoxical increase in inflammatory cytokines. This implicates nitro-oxidative stress in retinal neurones as the cytotoxic element in ischaemia, rather than enhanced pro-inflammatory signalling.
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Affiliation(s)
- Kevin S Edgar
- Wellcome-Wolfson Institute for Experimental Medicine, Queen's University Belfast, Belfast, 97 Lisburn Road, BT9 7BL, UK
| | - Ciara Cunning
- Wellcome-Wolfson Institute for Experimental Medicine, Queen's University Belfast, Belfast, 97 Lisburn Road, BT9 7BL, UK
| | - Tom A Gardiner
- School of Medicine, Dentistry and Biomedical Sciences, Centre for Biomedical Sciences Education, Queen's University Belfast, Belfast, UK
| | - Denise M McDonald
- Wellcome-Wolfson Institute for Experimental Medicine, Queen's University Belfast, Belfast, 97 Lisburn Road, BT9 7BL, UK.
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Imon RR, Aktar S, Morshed N, Nur SM, Mahtarin R, Rahman FA, Talukder MEK, Alam R, Karpiński TM, Ahammad F, Zamzami MA, Tan SC. Biological and clinical significance of the glypican-3 gene in human lung adenocarcinoma: An in silico analysis. Medicine (Baltimore) 2023; 102:e35347. [PMID: 37960765 PMCID: PMC10637541 DOI: 10.1097/md.0000000000035347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 09/01/2023] [Indexed: 11/15/2023] Open
Abstract
Glypican-3 (GPC3), a membrane-bound heparan sulfate proteoglycan, has long been found to be dysregulated in human lung adenocarcinomas (LUADs). Nevertheless, the function, mutational profile, epigenetic regulation, co-expression profile, and clinicopathological significance of the GPC3 gene in LUAD progression are not well understood. In this study, we analyzed cancer microarray datasets from publicly available databases using bioinformatics tools to elucidate the above parameters. We observed significant downregulation of GPC3 in LUAD tissues compared to their normal counterparts, and this downregulation was associated with shorter overall survival (OS) and relapse-free survival (RFS). Nevertheless, no significant differences in the methylation pattern of GPC3 were observed between LUAD and normal tissues, although lower promoter methylation was observed in male patients. GPC3 expression was also found to correlate significantly with infiltration of B cells, CD8+, CD4+, macrophages, neutrophils, and dendritic cells in LUAD. In addition, a total of 11 missense mutations were identified in LUAD patients, and ~1.4% to 2.2% of LUAD patients had copy number amplifications in GPC3. Seventeen genes, mainly involved in dopamine receptor-mediated signaling pathways, were frequently co-expressed with GPC3. We also found 11 TFs and 7 miRNAs interacting with GPC3 and contributing to disease progression. Finally, we identified 3 potential inhibitors of GPC3 in human LUAD, namely heparitin, gemcitabine and arbutin. In conclusion, GPC3 may play an important role in the development of LUAD and could serve as a promising biomarker in LUAD.
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Affiliation(s)
- Raihan Rahman Imon
- Laboratory of Computational Biology, Biological Solution Centre (BioSol Centre), Jashore, Bangladesh
- Department of Genetic Engineering and Biotechnology, Faculty of Biological Science and Technology, Jashore University of Science and Technology, Jashore, Bangladesh
| | - Sharmin Aktar
- Laboratory of Computational Biology, Biological Solution Centre (BioSol Centre), Jashore, Bangladesh
- Department of Microbiology, Faculty of Biological Science, University of Dhaka, Dhaka, Bangladesh
| | - Niaz Morshed
- Laboratory of Computational Biology, Biological Solution Centre (BioSol Centre), Jashore, Bangladesh
- Department of Pharmacy, Faculty of Biological Science, University of Dhaka, Dhaka, Bangladesh
| | - Suza Mohammad Nur
- Biochemistry Department, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Rumana Mahtarin
- Laboratory of Computational Biology, Biological Solution Centre (BioSol Centre), Jashore, Bangladesh
- Department of Biochemistry and Molecular Biology, Shahjalal University of Science and Technology, Sylhet, Bangladesh
| | - Farazi Abinash Rahman
- Laboratory of Computational Biology, Biological Solution Centre (BioSol Centre), Jashore, Bangladesh
- Department of Genetic Engineering and Biotechnology, Faculty of Biological Science and Technology, Jashore University of Science and Technology, Jashore, Bangladesh
| | - Md. Enamul Kabir Talukder
- Laboratory of Computational Biology, Biological Solution Centre (BioSol Centre), Jashore, Bangladesh
- Department of Genetic Engineering and Biotechnology, Faculty of Biological Science and Technology, Jashore University of Science and Technology, Jashore, Bangladesh
| | - Rahat Alam
- Laboratory of Computational Biology, Biological Solution Centre (BioSol Centre), Jashore, Bangladesh
- Department of Genetic Engineering and Biotechnology, Faculty of Biological Science and Technology, Jashore University of Science and Technology, Jashore, Bangladesh
| | - Tomasz M. Karpiński
- Chair and Department of Medical Microbiology, Poznań University of Medical Sciences, Wieniawskiego, Poland
| | - Foysal Ahammad
- Laboratory of Computational Biology, Biological Solution Centre (BioSol Centre), Jashore, Bangladesh
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mazin A. Zamzami
- Biochemistry Department, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
- Centre of Artificial Intelligence for Precision Medicines, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Shing Cheng Tan
- UKM Medical Molecular Biology Institute, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
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Ma T, Wang CX, Ge XY, Zhang Y. Applications of Polydopamine in Implant Surface Modification. Macromol Biosci 2023; 23:e2300067. [PMID: 37229654 DOI: 10.1002/mabi.202300067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 04/22/2023] [Indexed: 05/27/2023]
Abstract
There is great clinical demand for orthopedic and dental implant surface modification methods to prevent osseointegration failure and improve implant biological functions. Notably, dopamine (DA) can be polymerized to form polydopamine (PDA), which is similar to the adhesive proteins secreted by mussels, to form a stable bond between the bone surface and implants. Therefore, PDA has the potential to be used as an implant surface modification material with good hydrophilicity, roughness, morphology, mechanical strength, biocompatibility, antibacterial activity, cellular adhesion, and osteogenesis. In addition, PDA degradation releases DA into the surrounding microenvironment, which is found to play an important role in regulating DA receptors on both osteoblasts and osteoclasts during the bone remodeling process. Furthermore, the adhesion properties of PDA suggest its use as an intermediate layer in assisting other functional bone remodeling materials, such as nanoparticles, growth factors, peptides, and hydrogels, to form "dual modifications." The purpose of this review is to summarize the recent progress in research on PDA and its derivatives as orthopedic and dental implant surface modification materials and to analyze the multiple functions of PDA.
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Affiliation(s)
- Ting Ma
- Department of Oral Implantology, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, Beijing, 100081, P. R. China
| | - Chen-Xi Wang
- Department of Oral Implantology, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, Beijing, 100081, P. R. China
| | - Xi-Yuan Ge
- Central Laboratory, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, Beijing, 100081, P. R. China
| | - Yu Zhang
- Department of Oral Implantology, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, Beijing, 100081, P. R. China
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7
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Liang JH, Akhanov V, Ho A, Tawfik M, D'Souza SP, Cameron MA, Lang RA, Samuel MA. Dopamine signaling from ganglion cells directs layer-specific angiogenesis in the retina. Curr Biol 2023; 33:3821-3834.e5. [PMID: 37572663 PMCID: PMC10529464 DOI: 10.1016/j.cub.2023.07.040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 06/26/2023] [Accepted: 07/20/2023] [Indexed: 08/14/2023]
Abstract
During central nervous system (CNS) development, a precisely patterned vasculature emerges to support CNS function. How neurons control angiogenesis is not well understood. Here, we show that the neuromodulator dopamine restricts vascular development in the retina via temporally limited production by an unexpected neuron subset. Our genetic and pharmacological experiments demonstrate that elevating dopamine levels inhibits tip-cell sprouting and vessel growth, whereas reducing dopamine production by all retina neurons increases growth. Dopamine production by canonical dopaminergic amacrine interneurons is dispensable for these events. Instead, we found that temporally restricted dopamine production by retinal ganglion cells (RGCs) modulates vascular development. RGCs produce dopamine precisely during angiogenic periods. Genetically limiting dopamine production by ganglion cells, but not amacrines, decreases angiogenesis. Conversely, elevating ganglion-cell-derived dopamine production inhibits early vessel growth. These vasculature outcomes occur downstream of vascular endothelial growth factor receptor (VEGFR) activation and Notch-Jagged1 signaling. Jagged1 is increased and subsequently inhibits Notch signaling when ganglion cell dopamine production is reduced. Our findings demonstrate that dopaminergic neural activity from a small neuron subset functions upstream of VEGFR to serve as developmental timing cue that regulates vessel growth.
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Affiliation(s)
- Justine H Liang
- Department of Neuroscience, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA; Huffington Center on Aging, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA; Visual Systems Group, Abrahamson Pediatric Eye Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Viktor Akhanov
- Department of Neuroscience, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA; Huffington Center on Aging, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
| | - Anthony Ho
- Department of Neuroscience, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA; Huffington Center on Aging, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
| | - Mohamed Tawfik
- Department of Neuroscience, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA; Huffington Center on Aging, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
| | - Shane P D'Souza
- Divisions of Pediatric Ophthalmology and Developmental Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA; Science of Light Center, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA; Visual Systems Group, Abrahamson Pediatric Eye Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Morven A Cameron
- School of Medicine, Western Sydney University, Western Sydney University Locked Bag 1797, Penrith, NSW 2751, Australia
| | - Richard A Lang
- Divisions of Pediatric Ophthalmology and Developmental Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA; Science of Light Center, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA; Visual Systems Group, Abrahamson Pediatric Eye Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA; Department of Ophthalmology, University of Cincinnati, Cincinnati, OH 45229, USA
| | - Melanie A Samuel
- Department of Neuroscience, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA; Huffington Center on Aging, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA.
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Español P, Rovira R, Caruana P, Luna-Guibourg R, Soler C, Teixeira N, Rodríguez F, Gallardo A, Edwards M, Porta O, Gámez M, Sánchez O, Llurba E, Corchero JL, Céspedes MV. Dopamine receptors D1 and D2 show prognostic significance and potential therapeutic applications for endometrial cancer patients. Gynecol Oncol 2023; 176:25-35. [PMID: 37437489 DOI: 10.1016/j.ygyno.2023.06.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 06/17/2023] [Accepted: 06/23/2023] [Indexed: 07/14/2023]
Abstract
OBJECTIVE Catecholaminergic signaling has been a target for therapy in different type of cancers. In this work, we characterized the ADRβ2, DRD1 and DRD2 expression in healthy tissue and endometrial tumors to evaluate their prognostic significance in endometrial cancer (EC), unraveling their possible application as an antitumor therapy. METHODS 109 EC patients were included. The expression of the ADRβ2, DRD1 and DRD2 proteins was evaluated by immunohistochemistry and univariate and multivariate analysis to assess their association with clinic-pathological and outcome variables. Finally, HEC1A and AN3CA EC cell lines were exposed to different concentrations of selective dopaminergic agents alone or in combination to study their effects on cellular viability. RESULTS ADRβ2 protein expression was not associated with clinico-pathological parameters or prognosis. DRD1 protein expression was reduced in tumors samples but showed a significant inverse association with tumor size and stage. DRD2 protein expression was significantly associated with non-endometrioid EC, high grade tumors, tumor size, worse disease-free survival (HR = 3.47 (95%CI:1.35-8.88)) and overall survival (HR = 2.98 (95%CI:1.40-6.34)). The DRD1 agonist fenoldopam showed a reduction of cellular viability in HEC1A and AN3CA cells. The exposure to domperidone, a DRD2 antagonist, significantly reduced cell viability compared to the control. Finally, DRD1 agonism and DRD2 antagonism combination induced a significant reduction in cell viability of the AN3CA cells compared to monotherapy, close to being an additive response than a synergistic effect (CI of 1.1 at 0.5% Fa). CONCLUSION DRD1 and DRD2 expression levels showed a significant association with clinico-pathological parameters. Both the combined activation of DRD1 and blockage of DRD2 may form an innovative strategy to inhibit tumor growth in EC.
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Affiliation(s)
- Pia Español
- Gynecologic and Oncology Peritoneal group, Biomedical Research Institute Sant Pau (IIB Sant Pau), Hospital de la Santa Creu i Sant Pau, 08041 Barcelona, Spain; Department of Obstetrics and Gynecology, Hospital de la Santa Creu i Sant Pau, Barcelona 08041, Spain; Department of Obstetrics and Gynecology, Hospital Universitari Son Espases, Palma 07120, Spain.
| | - Ramon Rovira
- Gynecologic and Oncology Peritoneal group, Biomedical Research Institute Sant Pau (IIB Sant Pau), Hospital de la Santa Creu i Sant Pau, 08041 Barcelona, Spain; Department of Obstetrics and Gynecology, Hospital de la Santa Creu i Sant Pau, Barcelona 08041, Spain
| | - Pablo Caruana
- Gynecologic and Oncology Peritoneal group, Biomedical Research Institute Sant Pau (IIB Sant Pau), Hospital de la Santa Creu i Sant Pau, 08041 Barcelona, Spain
| | - Rocío Luna-Guibourg
- Gynecologic and Oncology Peritoneal group, Biomedical Research Institute Sant Pau (IIB Sant Pau), Hospital de la Santa Creu i Sant Pau, 08041 Barcelona, Spain; Department of Obstetrics and Gynecology, Hospital de la Santa Creu i Sant Pau, Barcelona 08041, Spain
| | - Cristina Soler
- Gynecologic and Oncology Peritoneal group, Biomedical Research Institute Sant Pau (IIB Sant Pau), Hospital de la Santa Creu i Sant Pau, 08041 Barcelona, Spain; Department of Obstetrics and Gynecology, Hospital de la Santa Creu i Sant Pau, Barcelona 08041, Spain
| | - Natalia Teixeira
- Gynecologic and Oncology Peritoneal group, Biomedical Research Institute Sant Pau (IIB Sant Pau), Hospital de la Santa Creu i Sant Pau, 08041 Barcelona, Spain; Department of Obstetrics and Gynecology, Hospital de la Santa Creu i Sant Pau, Barcelona 08041, Spain
| | - Francisco Rodríguez
- Gynecologic and Oncology Peritoneal group, Biomedical Research Institute Sant Pau (IIB Sant Pau), Hospital de la Santa Creu i Sant Pau, 08041 Barcelona, Spain
| | - Alberto Gallardo
- Department of Pathology, Hospital de la Santa Creu i Sant Pau, Barcelona 08041, Spain
| | - Maria Edwards
- Gynecologic and Oncology Peritoneal group, Biomedical Research Institute Sant Pau (IIB Sant Pau), Hospital de la Santa Creu i Sant Pau, 08041 Barcelona, Spain
| | - Oriol Porta
- Department of Obstetrics and Gynecology, University Hospital Mútua Terrassa, Terrassa 08221, Spain
| | - Maria Gámez
- Department of Pharmacy, Hospital de la Santa Creu i Sant Pau, 08041 Barcelona, Spain
| | - Olga Sánchez
- Women and Perinatal Health Research group. Department of Obstetrics and Gynecology. Biomedical Research Institute Sant Pau (IIB Sant Pau), Hospital de la Santa Creu i Sant Pau, 08041 Barcelona, Spain; Primary care interventions to prevent maternal and child chronic diseases of Perinatal and developmental origin network (RICORS), Instituto Salud Carlos III, Madrid, Spain; Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Elisa Llurba
- Department of Obstetrics and Gynecology, Hospital de la Santa Creu i Sant Pau, Barcelona 08041, Spain; Women and Perinatal Health Research group. Department of Obstetrics and Gynecology. Biomedical Research Institute Sant Pau (IIB Sant Pau), Hospital de la Santa Creu i Sant Pau, 08041 Barcelona, Spain; Primary care interventions to prevent maternal and child chronic diseases of Perinatal and developmental origin network (RICORS), Instituto Salud Carlos III, Madrid, Spain; Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Jose Luis Corchero
- Institut de Biotecnologia i de Biomedicina and Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina, Instituto de Salud Carlos III, Universitat Autònoma de Barcelona, Bellaterra, 08193 Barcelona, Spain
| | - María Virtudes Céspedes
- Gynecologic and Oncology Peritoneal group, Biomedical Research Institute Sant Pau (IIB Sant Pau), Hospital de la Santa Creu i Sant Pau, 08041 Barcelona, Spain; Primary care interventions to prevent maternal and child chronic diseases of Perinatal and developmental origin network (RICORS), Instituto Salud Carlos III, Madrid, Spain.
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9
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Amjadi O, Hedayatizadeh-Omran A, Zaboli E, Ghaffari-Hamedani MM, Janbabaei G, Ahangari G. Dopamine receptors gene overexpression in the microenvironment of invasive gastric cancer and its potential implications. Mol Biol Rep 2023; 50:6529-6542. [PMID: 37330941 DOI: 10.1007/s11033-023-08541-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 05/19/2023] [Indexed: 06/20/2023]
Abstract
BACKGROUND Gastric cancer (GC) is the fifth most common cancer worldwide and the most commonly diagnosed cancer in Iran. The nervous system provides proximity to tumor cells by releasing neurotransmitters such as dopamine and presenting them to the corresponding receptor-bearing tumors. While nerve fibers infiltrate the tumor microenvironment, little is known about the expression levels of dopamine (DA), dopamine receptors (DRs), and catechol-O-methyltransferase (COMT) in GC patients. METHODS DRs and COMT expression were analyzed in 45 peripheral blood mononuclear cells (PBMCs) and 20 paired tumor and adjacent tissue of GC patients by quantitative polymerase chain reaction. DA was measured in plasma specimens using enzyme-linked immunosorbent assay. Protein-protein interaction analysis was carried out to identify GC-related hub genes. RESULTS Increased expression of DRD1-DRD3 was found in tumor specimens compared with adjacent non-cancerous specimens (P < 0.05). A positive correlation was found between DRD1 and DRD3 expression (P = 0.009); DRD2 and DRD3 expression (P = 0.04). Plasma levels of dopamine were significantly lower in patients (1298 pg/ml) than in controls (4651 pg/ml). DRD1-DRD4 and COMT were up-regulated in PBMCs of patients compared with controls (P < 0.0001). Bioinformatic analyses showed 30 hub genes associated with Protein kinase A and extracellular signal-regulated kinase signaling pathways. CONCLUSIONS The findings indicated dysregulation of DRs and COMT mRNA expression in GC and suggest that the brain- gastrointestinal axis may mediate gastric cancer development. Network analysis revealed that combination treatments could be considered for optimizing and improving the precision treatment of GC.
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Affiliation(s)
- Omolbanin Amjadi
- Department of Medical Genetics, National Institute of Genetic Engineering and Biotechnology, Tehran, P.O. Box: 1497716316, Iran
| | - Akbar Hedayatizadeh-Omran
- Gastrointestinal Cancer Research Center, Non-Communicable Diseases Institute, Mazandaran University of Medical Sciences, Sari, Iran
| | - Ehsan Zaboli
- Gastrointestinal Cancer Research Center, Non-Communicable Diseases Institute, Mazandaran University of Medical Sciences, Sari, Iran
| | | | - Ghasem Janbabaei
- Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Ghasem Ahangari
- Department of Medical Genetics, National Institute of Genetic Engineering and Biotechnology, Tehran, P.O. Box: 1497716316, Iran.
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10
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Palomba S, Costanzi F, Nelson SM, Caserta D, Humaidan P. Interventions to prevent or reduce the incidence and severity of ovarian hyperstimulation syndrome: a systematic umbrella review of the best clinical evidence. Reprod Biol Endocrinol 2023; 21:67. [PMID: 37480081 PMCID: PMC10360244 DOI: 10.1186/s12958-023-01113-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 06/21/2023] [Indexed: 07/23/2023] Open
Abstract
Ovarian hyperstimulation syndrome (OHSS) is a potentially life-threating iatrogenic complication of the early luteal phase and/or early pregnancy after in vitro fertilization (IVF) treatment. The aim of the current study was to identify the most effective methods for preventing of and reducing the incidence and severity of OHSS in IVF patients. A systematic review of systematic reviews of randomized controlled trials (RCTs) with meta-analysis was used to assess each potential intervention (PROSPERO website, CRD 268626) and only studies with the highest quality were included in the qualitative analysis. Primary outcomes included prevention and reduction of OHSS incidence and severity. Secondary outcomes were maternal death, incidence of hospital admission, days of hospitalization, and reproductive outcomes, such as incidence of live-births, clinical pregnancies, pregnancy rate, ongoing pregnancy, miscarriages, and oocytes retrieved. A total of specific interventions related to OHSS were analyzed in 28 systematic reviews of RCTs with meta-analyses. The quality assessment of the included studies was high, moderate, and low for 23, 2, and 3 studies, respectively. The certainty of evidence (CoE) for interventions was reported for 37 specific situations/populations and resulted high, moderate, and low-to-very low for one, 5, and 26 cases, respectively, while it was not reported in 5 cases. Considering the effective interventions without deleterious reproductive effects, GnRH-ant co-treatment (36 RCTs; OR 0.61, 95% C 0.51 to 0.72, n = 7,944; I2 = 31%) and GnRH agonist triggering (8 RCTs; OR 0.15, 95% CI 0.05 to 0.47, n = 989; I2 = 42%) emerged as the most effective interventions for preventing OHSS with a moderate CoE, even though elective embryo cryopreservation exhibited a low CoE. Furthermore, the use of mild ovarian stimulation (9 RCTs; RR 0.26, CI 0.14 to 0.49, n = 1,925; I2 = 0%), and dopaminergic agonists (10 RCTs; OR 0.32, 95% CI 0.23 to 0.44, n = 1,202; I2 = 13%) coadministration proved effective and safe with a moderate CoE. In conclusion, the current study demonstrates that only a few interventions currently can be considered effective to reduce the incidence of OHSS and its severity with high/moderate CoE despite the numerous published studies on the topic. Further well-designed RCTs are needed, particularly for GnRH-a down-regulated IVF cycles.
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Affiliation(s)
- Stefano Palomba
- Department of Surgical and Medical Sciences and Translational Medicine, Sapienza University of Rome, Sant'Andrea Hospital, via di Grottarossa, n. 1035/1039, Rome, 00189, Italy.
| | - Flavia Costanzi
- Department of Surgical and Medical Sciences and Translational Medicine, Sapienza University of Rome, Sant'Andrea Hospital, via di Grottarossa, n. 1035/1039, Rome, 00189, Italy
| | - Scott M Nelson
- School of Medicine, University of Glasgow, Glasgow, UK
- NIHR Bristol Biomedical Research Centre, University of Bristol, Oakfield House, Oakfield Grove, Bristol, UK
- TFP, Oxford Fertility, Institute of Reproductive Sciences, Oxford, UK
| | - Donatella Caserta
- Department of Surgical and Medical Sciences and Translational Medicine, Sapienza University of Rome, Sant'Andrea Hospital, via di Grottarossa, n. 1035/1039, Rome, 00189, Italy
| | - Peter Humaidan
- The Fertility Clinic, Faculty of Health, Skive Regional Hospital, Aarhus University, Aarhus C, Denmark
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11
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Elabi OF, Espa E, Skovgård K, Fanni S, Cenci MA. Ropinirole Cotreatment Prevents Perivascular Glial Recruitment in a Rat Model of L-DOPA-Induced Dyskinesia. Cells 2023; 12:1859. [PMID: 37508522 PMCID: PMC10378233 DOI: 10.3390/cells12141859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 06/30/2023] [Accepted: 07/12/2023] [Indexed: 07/30/2023] Open
Abstract
Dopamine replacement therapy for Parkinson's disease is achieved using L-DOPA or dopamine D2/3 agonists, such as ropinirole. Here, we compare the effects of L-DOPA and ropinirole, alone or in combination, on patterns of glial and microvascular reactivity in the striatum. Rats with unilateral 6-hydroxydopamine lesions were treated with therapeutic-like doses of L-DOPA (6 mg/kg), an equipotent L-DOPA-ropinirole combination (L-DOPA 3 mg/kg plus ropinirole 0.5 mg/kg), or ropinirole alone. Immunohistochemistry was used to examine the reactivity of microglia (ionized calcium-binding adapter molecule 1, IBA-1) and astroglia (glial fibrillary acidic protein, GFAP), as well as blood vessel density (rat endothelial cell antigen 1, RECA-1) and albumin extravasation. L-DOPA monotreatment and L-DOPA-ropinirole cotreatment induced moderate-severe dyskinesia, whereas ropinirole alone had negligible dyskinetic effects. Despite similar dyskinesia severity, striking differences in perivascular microglia and astroglial reactivity were found between animals treated with L-DOPA vs. L-DOPA-ropinirole. The former exhibited a marked upregulation of perivascular IBA-1 cells (in part CD68-positive) and IBA-1-RECA-1 contact points, along with an increased microvessel density and strong perivascular GFAP expression. None of these markers were significantly upregulated in animals treated with L-DOPA-ropinirole or ropinirole alone. In summary, although ropinirole cotreatment does not prevent L-DOPA-induced dyskinesia, it protects from maladaptive gliovascular changes otherwise associated with this disorder, with potential long-term benefits to striatal tissue homeostasis.
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Affiliation(s)
- Osama F Elabi
- Basal Ganglia Pathophysiology Unit, Department of Experimental Medical Science, Lund University, 221 84 Lund, Sweden
| | - Elena Espa
- Basal Ganglia Pathophysiology Unit, Department of Experimental Medical Science, Lund University, 221 84 Lund, Sweden
| | - Katrine Skovgård
- Basal Ganglia Pathophysiology Unit, Department of Experimental Medical Science, Lund University, 221 84 Lund, Sweden
| | - Silvia Fanni
- Basal Ganglia Pathophysiology Unit, Department of Experimental Medical Science, Lund University, 221 84 Lund, Sweden
| | - Maria Angela Cenci
- Basal Ganglia Pathophysiology Unit, Department of Experimental Medical Science, Lund University, 221 84 Lund, Sweden
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12
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Mendoza-Torreblanca JG, Cárdenas-Rodríguez N, Carro-Rodríguez J, Contreras-García IJ, Garciadiego-Cázares D, Ortega-Cuellar D, Martínez-López V, Alfaro-Rodríguez A, Evia-Ramírez AN, Ignacio-Mejía I, Vargas-Hernández MA, Bandala C. Antiangiogenic Effect of Dopamine and Dopaminergic Agonists as an Adjuvant Therapeutic Option in the Treatment of Cancer, Endometriosis, and Osteoarthritis. Int J Mol Sci 2023; 24:10199. [PMID: 37373348 DOI: 10.3390/ijms241210199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Revised: 06/12/2023] [Accepted: 06/13/2023] [Indexed: 06/29/2023] Open
Abstract
Dopamine (DA) and dopamine agonists (DA-Ag) have shown antiangiogenic potential through the vascular endothelial growth factor (VEGF) pathway. They inhibit VEGF and VEGF receptor 2 (VEGFR 2) functions through the dopamine receptor D2 (D2R), preventing important angiogenesis-related processes such as proliferation, migration, and vascular permeability. However, few studies have demonstrated the antiangiogenic mechanism and efficacy of DA and DA-Ag in diseases such as cancer, endometriosis, and osteoarthritis (OA). Therefore, the objective of this review was to describe the mechanisms of the antiangiogenic action of the DA-D2R/VEGF-VEGFR 2 system and to compile related findings from experimental studies and clinical trials on cancer, endometriosis, and OA. Advanced searches were performed in PubMed, Web of Science, SciFinder, ProQuest, EBSCO, Scopus, Science Direct, Google Scholar, PubChem, NCBI Bookshelf, DrugBank, livertox, and Clinical Trials. Articles explaining the antiangiogenic effect of DA and DA-Ag in research articles, meta-analyses, books, reviews, databases, and clinical trials were considered. DA and DA-Ag have an antiangiogenic effect that could reinforce the treatment of diseases that do not yet have a fully curative treatment, such as cancer, endometriosis, and OA. In addition, DA and DA-Ag could present advantages over other angiogenic inhibitors, such as monoclonal antibodies.
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Affiliation(s)
| | - Noemi Cárdenas-Rodríguez
- Laboratorio de Neurociencias, Subdirección de Medicina Experimental, Instituto Nacional de Pediatría, Mexico City 04530, Mexico
| | - Jazmín Carro-Rodríguez
- Laboratorio de Medicina Traslacional Aplicada a Neurociencias, Enfermedades Crónicas y Emergentes, Escuela Superior de Medicina, Instituto Politécnico Nacional, Mexico City 11340, Mexico
| | - Itzel Jatziri Contreras-García
- Laboratorio de Biología de la Reproducción, Subdirección de Medicina Experimental, Instituto Nacional de Pediatría, Mexico City 04530, Mexico
| | - David Garciadiego-Cázares
- Unidad de Ingeniería de Tejidos, Terapia Celular y Medicina Regenerativa, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Mexico City 14389, Mexico
| | - Daniel Ortega-Cuellar
- Laboratorio Nutrición Experimental, Instituto Nacional de Pediatría, Secretaría de Salud, Mexico City 04530, Mexico
| | - Valentín Martínez-López
- Unidad de Ingeniería de Tejidos, Terapia Celular y Medicina Regenerativa, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Mexico City 14389, Mexico
| | - Alfonso Alfaro-Rodríguez
- Neurociencias Básicas, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Secretaría de Salud, Mexico City 14389, Mexico
| | - Alberto Nayib Evia-Ramírez
- Servicio de Reconstrucción Articular, Cadera y Rodilla, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Mexico City 14389, Mexico
| | - Iván Ignacio-Mejía
- Laboratorio de Medicina Traslacional, Escuela Militar de Graduados de Sanidad, Mexico City 11200, Mexico
| | | | - Cindy Bandala
- Laboratorio de Medicina Traslacional Aplicada a Neurociencias, Enfermedades Crónicas y Emergentes, Escuela Superior de Medicina, Instituto Politécnico Nacional, Mexico City 11340, Mexico
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13
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Xiao L, Li X, Fang C, Yu J, Chen T. Neurotransmitters: promising immune modulators in the tumor microenvironment. Front Immunol 2023; 14:1118637. [PMID: 37215113 PMCID: PMC10196476 DOI: 10.3389/fimmu.2023.1118637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 04/12/2023] [Indexed: 05/24/2023] Open
Abstract
The tumor microenvironment (TME) is modified by its cellular or acellular components throughout the whole period of tumor development. The dynamic modulation can reprogram tumor initiation, growth, invasion, metastasis, and response to therapies. Hence, the focus of cancer research and intervention has gradually shifted to TME components and their interactions. Accumulated evidence indicates neural and immune factors play a distinct role in modulating TME synergistically. Among the complicated interactions, neurotransmitters, the traditional neural regulators, mediate some crucial regulatory functions. Nevertheless, knowledge of the exact mechanisms is still scarce. Meanwhile, therapies targeting the TME remain unsatisfactory. It holds a great prospect to reveal the molecular mechanism by which the interplay between the nervous and immune systems regulate cancer progression for laying a vivid landscape of tumor development and improving clinical treatment.
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Affiliation(s)
- Luxi Xiao
- Department of General Surgery and Guangdong Provincial Key Laboratory of Precision Medicine for Gastrointestinal Tumor, Nanfang Hospital, The First School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong, China
| | - Xunjun Li
- Department of General Surgery and Guangdong Provincial Key Laboratory of Precision Medicine for Gastrointestinal Tumor, Nanfang Hospital, The First School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong, China
| | - Chuanfa Fang
- Department of Gastrointestinal and Hernia Surgery, Ganzhou Hospital-Nanfang Hospital, Southern Medical University, Ganzhou, Jiangxi, China
| | - Jiang Yu
- Department of General Surgery and Guangdong Provincial Key Laboratory of Precision Medicine for Gastrointestinal Tumor, Nanfang Hospital, The First School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong, China
| | - Tao Chen
- Department of General Surgery and Guangdong Provincial Key Laboratory of Precision Medicine for Gastrointestinal Tumor, Nanfang Hospital, The First School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong, China
- Department of Gastrointestinal and Hernia Surgery, Ganzhou Hospital-Nanfang Hospital, Southern Medical University, Ganzhou, Jiangxi, China
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14
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Zhao Y, Li Y, Li H, Shi S. Dopamine D1 receptor activation ameliorates ox-LDL-induced endothelial cell senescence via CREB/Nrf2 pathway. Exp Cell Res 2023; 425:113542. [PMID: 36894051 DOI: 10.1016/j.yexcr.2023.113542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 03/01/2023] [Accepted: 03/06/2023] [Indexed: 03/09/2023]
Abstract
Endothelial cell senescence is involved in endothelial dysfunction and aging-related vascular diseases. The D1-like dopamine receptor (DR1), a number of G-protein-coupled receptors, is currently under consideration as a potential therapeutic target for the prevention of atherosclerosis. However, the role of DR1 in regulating ox-LDL-stimulated endothelial cell senescence remains unknown. Here, we found that the elevated Prx hyperoxidation and reactive oxygen species (ROS) levels in ox-LDL-treated Human umbilical vein endothelial cells (HUVECs) were observed, suppressed by DR1 agonist SKF38393. Increased proportion of senescence-associated β-galactosidase (SA-β-gal) positive staining cells and activated p16/p21/p53 pathway in ox-LDL-treated HUVECs were significantly abolished by DR1 activation. In addition, SKF38393 increased the phosphorylation of cAMP response element-binding protein (CREB) at serine-133, nuclear accumulation of nuclear factor erythroid 2-related factor 2 (Nrf2) and expression of HO-1 in HUVECs. In contrast, adding H-89, a PKA inhibitor, diminished the effects of DR1 activation. Further studies performed with DR1 siRNA confirmed that DR1 was involved in CREB/Nrf2 pathway. Taken together, DR1 activation reduces ROS production and cell senescence by upregulating CREB/Nrf2 antioxidant signaling in ox-LDL-induced endothelial cells. Thus, DR1 could be a potential molecular target to counteract oxidative stress-induced cellular senescence.
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Affiliation(s)
- Yiming Zhao
- Department of Pathophysiology, Harbin Medical University, Harbin, Heilongjiang, 150081, China
| | - Yuxia Li
- Department of Pathology, Northeast Yunnan Regional Central Hospital, Zhaotong, Yunnan, 657000, China
| | - Hongxia Li
- Department of Pathophysiology, Harbin Medical University, Harbin, Heilongjiang, 150081, China
| | - Sa Shi
- Department of Pathophysiology, Harbin Medical University, Harbin, Heilongjiang, 150081, China.
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15
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Allen RS, Khayat CT, Feola AJ, Win AS, Grubman AR, Chesler KC, He L, Dixon JA, Kern TS, Iuvone PM, Thule PM, Pardue MT. Diabetic rats with high levels of endogenous dopamine do not show retinal vascular pathology. Front Neurosci 2023; 17:1125784. [PMID: 37034167 PMCID: PMC10073440 DOI: 10.3389/fnins.2023.1125784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 02/21/2023] [Indexed: 04/11/2023] Open
Abstract
Purpose Limited research exists on the time course of long-term retinal and cerebral deficits in diabetic rodents. Previously, we examined short term (4-8 weeks) deficits in the Goto-Kakizaki (GK) rat model of Type II diabetes. Here, we investigated the long-term (1-8 months) temporal appearance of functional deficits (retinal, cognitive, and motor), retinal vascular pathology, and retinal dopamine levels in the GK rat. Methods In GK rats and Wistar controls, retinal neuronal function (electroretinogram), cognitive function (Y-maze), and motor function (rotarod) were measured at 1, 2, 4, 6, and 8 months of age. In addition, we evaluated retinal vascular function (functional hyperemia) and glucose and insulin tolerance. Retinas from rats euthanized at ≥8 months were assessed for vascular pathology. Dopamine and DOPAC levels were measured via HPLC in retinas from rats euthanized at 1, 2, 8, and 12 months. Results Goto-Kakizaki rats exhibited significant glucose intolerance beginning at 4 weeks and worsening over time (p < 0.001). GK rats also showed significant delays in flicker and oscillatory potential implicit times (p < 0.05 to p < 0.001) beginning at 1 month. Cognitive deficits were observed beginning at 6 months (p < 0.05), but no motor deficits. GK rats showed no deficits in functional hyperemia and no increase in acellular retinal capillaries. Dopamine levels were twice as high in GK vs. Wistar retinas at 1, 2, 8, and 12 months (p < 0.001). Conclusion As shown previously, retinal deficits were detectable prior to cognitive deficits in GK rats. While retinal neuronal function was compromised, retinal vascular pathology was not observed, even at 12+ months. High endogenous levels of dopamine in the GK rat may be acting as an anti-angiogenic and providing protection against vascular pathology.
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Affiliation(s)
- Rachael S. Allen
- Atlanta VA Center for Visual and Neurocognitive Rehabilitation, Atlanta VA Healthcare System, Decatur, GA, United States
- Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, United States
| | - Cara T. Khayat
- Atlanta VA Center for Visual and Neurocognitive Rehabilitation, Atlanta VA Healthcare System, Decatur, GA, United States
| | - Andrew J. Feola
- Atlanta VA Center for Visual and Neurocognitive Rehabilitation, Atlanta VA Healthcare System, Decatur, GA, United States
- Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, United States
- Department of Ophthalmology, Emory University, Atlanta, GA, United States
| | - Alice S. Win
- Atlanta VA Center for Visual and Neurocognitive Rehabilitation, Atlanta VA Healthcare System, Decatur, GA, United States
- Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, United States
| | - Allison R. Grubman
- Atlanta VA Center for Visual and Neurocognitive Rehabilitation, Atlanta VA Healthcare System, Decatur, GA, United States
- Department of Ophthalmology, Emory University, Atlanta, GA, United States
| | - Kyle C. Chesler
- Atlanta VA Center for Visual and Neurocognitive Rehabilitation, Atlanta VA Healthcare System, Decatur, GA, United States
- Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, United States
| | - Li He
- Department of Ophthalmology, Emory University, Atlanta, GA, United States
- Department of Pharmacology and Chemical Biology, Emory University, Atlanta, GA, United States
| | - Jendayi A. Dixon
- Department of Ophthalmology, Emory University, Atlanta, GA, United States
| | - Timothy S. Kern
- Department of Pharmacology, Case Western Reserve University, Cleveland, OH, United States
- Veterans Administration Medical Center Research Service, Cleveland, OH, United States
- Gavin Herbert Eye Institute, University of California, Irvine, Irvine, CA, United States
| | - P. Michael Iuvone
- Department of Ophthalmology, Emory University, Atlanta, GA, United States
- Department of Pharmacology and Chemical Biology, Emory University, Atlanta, GA, United States
| | - Peter M. Thule
- Section Endocrinology and Metabolism, Atlanta VA Medical Center, Emory University School of Medicine, Decatur, GA, United States
| | - Machelle T. Pardue
- Atlanta VA Center for Visual and Neurocognitive Rehabilitation, Atlanta VA Healthcare System, Decatur, GA, United States
- Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, United States
- Department of Ophthalmology, Emory University, Atlanta, GA, United States
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16
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Leung ELH, Huang J, Zhang J, Zhang J, Wang M, Zhu Y, Meng Z, Yu H, Neher E, Ma L, Yao X. Novel Anticancer Strategy by Targeting the Gut Microbial Neurotransmitter Signaling to Overcome Immunotherapy Resistance. Antioxid Redox Signal 2023; 38:298-315. [PMID: 36017627 DOI: 10.1089/ars.2021.0243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Significance: Microbial neurotransmitters, as potential targets for cancer therapy, are expected to provide a new perspective on the interaction between the gut microbiome and cancer immunotherapy. Recent Advances: Mounting data reveal that most neurotransmitters can be derived from gut microbiota. Furthermore, modulation of neurotransmitter signaling can limit tumor growth and enhance antitumor immunity. Critical Issues: Here, we first present the relationships between microbial neurotransmitters and cancer cells mediated by immune cells. Then, we discuss the microbial neurotransmitters recently associated with cancer immunotherapy. Notably, the review emphasizes that neurotransmitter signaling plays a substantial role in cancer immunotherapy as an emerging cancer treatment target by regulating targeted receptors and interfering with the tumor microenvironment. Future Directions: Future studies are required to uncover the antitumor mechanisms of neurotransmitter signaling to develop novel treatment strategies to overcome cancer immunotherapy resistance. Antioxid. Redox Signal. 38, 298-315.
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Affiliation(s)
- Elaine Lai-Han Leung
- Cancer Center, Faculty of Health Science, University of Macau, Taipa, China.,Ministry of Education Frontiers Science Center for Precision Oncology, University of Macau, Taipa, China
| | - Jumin Huang
- Cancer Center, Faculty of Health Science, University of Macau, Taipa, China.,Ministry of Education Frontiers Science Center for Precision Oncology, University of Macau, Taipa, China.,Dr. Neher's Biophysics Laboratory for Innovative Drug Discovery and State Key Laboratory of Quality Research in Chinese Medicine, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau (SAR), China
| | - Junmin Zhang
- Dr. Neher's Biophysics Laboratory for Innovative Drug Discovery and State Key Laboratory of Quality Research in Chinese Medicine, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau (SAR), China.,School of Pharmacy, State Key Laboratory of Applied Organic Chemistry, and College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, China
| | - Juanhong Zhang
- Dr. Neher's Biophysics Laboratory for Innovative Drug Discovery and State Key Laboratory of Quality Research in Chinese Medicine, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau (SAR), China.,School of Pharmacy, State Key Laboratory of Applied Organic Chemistry, and College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, China.,College of Life Science, Northwest Normal University, Lanzhou, China
| | - Meifang Wang
- Department of Respiratory and Critical Care Medicine, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Yingjie Zhu
- Shenzhen Key Laboratory of Drug Addiction, CAS Key Laboratory of Brain Connectome and Manipulation, the Brain Cognition and Brain Disease Institute (BCBDI), Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences; Shenzhen-Hong Kong Institute of Brain Science-Shenzhen Fundamental Research Institutions, Shenzhen, China
| | - Zhiqiang Meng
- Shenzhen Key Laboratory of Drug Addiction, CAS Key Laboratory of Brain Connectome and Manipulation, the Brain Cognition and Brain Disease Institute (BCBDI), Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences; Shenzhen-Hong Kong Institute of Brain Science-Shenzhen Fundamental Research Institutions, Shenzhen, China
| | - Haijie Yu
- Dr. Neher's Biophysics Laboratory for Innovative Drug Discovery and State Key Laboratory of Quality Research in Chinese Medicine, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau (SAR), China
| | - Erwin Neher
- Dr. Neher's Biophysics Laboratory for Innovative Drug Discovery and State Key Laboratory of Quality Research in Chinese Medicine, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau (SAR), China
| | - Lijuan Ma
- Dr. Neher's Biophysics Laboratory for Innovative Drug Discovery and State Key Laboratory of Quality Research in Chinese Medicine, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau (SAR), China
| | - Xiaojun Yao
- Dr. Neher's Biophysics Laboratory for Innovative Drug Discovery and State Key Laboratory of Quality Research in Chinese Medicine, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau (SAR), China
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17
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Nerves in gastrointestinal cancer: from mechanism to modulations. Nat Rev Gastroenterol Hepatol 2022; 19:768-784. [PMID: 36056202 DOI: 10.1038/s41575-022-00669-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/20/2022] [Indexed: 12/08/2022]
Abstract
Maintenance of gastrointestinal health is challenging as it requires balancing multifaceted processes within the highly complex and dynamic ecosystem of the gastrointestinal tract. Disturbances within this vibrant environment can have detrimental consequences, including the onset of gastrointestinal cancers. Globally, gastrointestinal cancers account for ~19% of all cancer cases and ~22.5% of all cancer-related deaths. Developing new ways to more readily detect and more efficiently target these malignancies are urgently needed. Whereas members of the tumour microenvironment, such as immune cells and fibroblasts, have already been in the spotlight as key players of cancer initiation and progression, the importance of the nervous system in gastrointestinal cancers has only been highlighted in the past few years. Although extrinsic innervations modulate gastrointestinal cancers, cells and signals from the gut's intrinsic innervation also have the ability to do so. Here, we shed light on this thriving field and discuss neural influences during gastrointestinal carcinogenesis. We focus on the interactions between neurons and components of the gastrointestinal tract and tumour microenvironment, on the neural signalling pathways involved, and how these factors affect the cancer hallmarks, and discuss the neural signatures in gastrointestinal cancers. Finally, we highlight neural-related therapies that have potential for the management of gastrointestinal cancers.
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Lee YJ, Jeon HY, Lee AJ, Kim M, Ha KS. Dopamine ameliorates hyperglycemic memory-induced microvascular dysfunction in diabetic retinopathy. FASEB J 2022; 36:e22643. [PMID: 36331561 DOI: 10.1096/fj.202200865r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 10/14/2022] [Accepted: 10/25/2022] [Indexed: 11/06/2022]
Abstract
Dopamine is a neurotransmitter that mediates visual function in the retina and diabetic retinopathy (DR) is the most common microvascular complication of diabetes and the leading cause of blindness; however, the role of dopamine in retinal vascular dysfunction in DR remains unclear. Here, we report a mechanism of hyperglycemic memory (HGM)-induced retinal microvascular dysfunction and the protective effect of dopamine against the HGM-induced retinal microvascular leakage and abnormalities. We found that HGM induced persistent oxidative stress, mitochondrial membrane potential collapse and fission, and adherens junction disassembly and subsequent vascular leakage after blood glucose normalization in the mouse retinas. These persistent hyperglycemic stresses were inhibited by dopamine treatment in human retinal endothelial cells and by intravitreal injection of levodopa in the retinas of HGM mice. Moreover, levodopa supplementation ameliorated HGM-induced pericyte degeneration, acellular capillary and pericyte ghost generation, and endothelial apoptosis in the mouse retinas. Our findings suggest that dopamine alleviates HGM-induced retinal microvascular leakage and abnormalities by inhibiting persistent oxidative stress and mitochondrial dysfunction.
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Affiliation(s)
- Yeon-Ju Lee
- Department of Molecular and Cellular Biochemistry, Kangwon National University School of Medicine, Chuncheon, South Korea
| | - Hye-Yoon Jeon
- Department of Molecular and Cellular Biochemistry, Kangwon National University School of Medicine, Chuncheon, South Korea
| | - Ah-Jun Lee
- Department of Molecular and Cellular Biochemistry, Kangwon National University School of Medicine, Chuncheon, South Korea
| | - Minsoo Kim
- Department of Anesthesiology and Pain Medicine, Kangwon National University School of Medicine, Chuncheon, South Korea
| | - Kwon-Soo Ha
- Department of Molecular and Cellular Biochemistry, Kangwon National University School of Medicine, Chuncheon, South Korea
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Dopaminergic Signalling Enhances IL-2 Production and Strengthens Anti-Tumour Response Exerted by Cytotoxic T Lymphocytes in a Melanoma Mouse Model. Cells 2022; 11:cells11223536. [PMID: 36428964 PMCID: PMC9688276 DOI: 10.3390/cells11223536] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 10/26/2022] [Accepted: 11/02/2022] [Indexed: 11/11/2022] Open
Abstract
Dopamine has emerged as an important regulator of immunity. Recent evidence has shown that signalling through low-affinity dopamine receptors exerts anti-inflammatory effects, whilst stimulation of high-affinity dopamine receptors potentiates immunity in different models. However, the dopaminergic regulation of CD8+ T-cells in anti-tumour immunity remains poorly explored. Here, we studied the role of dopamine receptor D3 (DRD3), which displays the highest affinity for dopamine, in the function of CD8+ T-cells and its consequences in the anti-tumour immune response. We observed that the deficiency of Drd3 (the gene encoding DRD3) in CD8+ T-cells limits their in vivo expansion, leading to an impaired anti-tumour response in a mouse melanoma model. Mechanistic analyses suggest that DRD3 stimulation favours the production of interleukin 2 (IL-2) and the surface expression of CD25, the α-chain IL-2 receptor, which are required for expansion and effector differentiation of CD8+ T-cells. Thus, our results provide genetic and pharmacologic evidence indicating that DRD3 favours the production of IL-2 by CD8+ T-cells, which is associated with higher expansion and acquisition of effector function of these cells, promoting a more potent anti-tumour response in a melanoma mouse model. These findings contribute to understanding how dopaminergic signalling affects the cellular immune response and represent an opportunity to improve melanoma therapy.
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20
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Mikuš M, Vitale SG, Ćorić M, Zajec V, Ciebiera M, Carugno J, D'alterio MN, Herman M, Puževski T, Angioni S. State of the art, new treatment strategies, and emerging drugs for non-hormonal treatment of endometriosis: a systematic review of randomized control trials. Gynecol Endocrinol 2022; 38:911-917. [PMID: 36237165 DOI: 10.1080/09513590.2022.2133105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Objective: The aim of this systematic review is to recap the data obtained from randomized controlled trials looking at new pharmacologic treatments for endometriosis published over the last decade with a focus on non-hormonal therapeutic options alleviating endometriosis-associated pelvic pain.Methods: We identified relevant original studies in the English language through a search of the MEDLINE, Scopus, and EMBASE (2012 to present) databases using the appropriate MeSH terms and applying the article type filter 'randomized controlled trials'. A total of 179 records were found during the electronic search. After a detailed evaluation and review of the manuscripts, seven primary articles met the inclusion criteria. A systematic review of the data was conducted.Results: This review included several, non-hormonal emerging drug therapies for endometriosis-associated pelvic pain. Based on our results, we divided well-founded studies into three subgroups: antiangiogenic agents, immunomodulators, and natural components. Randomized control trials showed promising results with dopamine agonists (cabergoline, quinagolide, and bromocriptine), and the immunomodulatory JNK inhibitor bentamapimod. Agents that have not been represented in randomized control trials or have failed to demonstrate efficacy include statins and TNF-α inhibitors.Conclusion: Although there are substantial improvements in non-hormonal therapy options, majority of the currently available treatment options are supressive rather than curative and do not present a final solution for patients. Future research priorities should be to identify novel target therapies and to evalute the effects of available drugs through different routes of administration.
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Affiliation(s)
- Mislav Mikuš
- Department of Obstetrics and Gynecology, University Hospital Center Zagreb, Zagreb, Croatia
| | - Salvatore Giovanni Vitale
- Division of Gynecology and Obstetrics, Department of Surgical Sciences, University of Cagliari, Cagliari, Italy
| | - Mario Ćorić
- Department of Obstetrics and Gynecology, University Hospital Center Zagreb, Zagreb, Croatia
| | - Vendy Zajec
- Department of Obstetrics and Gynecology, University Hospital Center Zagreb, Zagreb, Croatia
| | - Michał Ciebiera
- Second Department of Obstetrics and Gynecology, Centre of Postgraduate Medical Education, Warsaw, Poland
| | - Jose Carugno
- Obstetrics, Gynecology and Reproductive Sciences Department, Minimally Invasive Gynecology Unit, University of Miami, Miller School of Medicine, Miami, Florida, USA
| | - Maurizio Nicola D'alterio
- Division of Gynecology and Obstetrics, Department of Surgical Sciences, University of Cagliari, Cagliari, Italy
| | - Mislav Herman
- Department of Obstetrics and Gynecology, University Hospital Center Zagreb, Zagreb, Croatia
| | - Tomislav Puževski
- Department of Obstetrics and Gynecology, University Hospital Center Zagreb, Zagreb, Croatia
| | - Stefano Angioni
- Division of Gynecology and Obstetrics, Department of Surgical Sciences, University of Cagliari, Cagliari, Italy
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The Role of Neural Signaling in the Pancreatic Cancer Microenvironment. Cancers (Basel) 2022; 14:cancers14174269. [PMID: 36077804 PMCID: PMC9454556 DOI: 10.3390/cancers14174269] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 08/25/2022] [Accepted: 08/30/2022] [Indexed: 11/17/2022] Open
Abstract
Simple Summary Pancreatic cancer is a highly lethal malignant disease with a dense stroma, called the tumor microenvironment. Accumulating evidence indicates the important role of sympathetic, parasympathetic, and sensory nerves in the tumor microenvironment of various cancers, including pancreatic cancer. Cancer cells and neural cells interact with each other to form a complex network and cooperatively promote cancer growth and invasion. In this review article, we describe the current understanding of the role of nerves in the tumor microenvironment. Abstract Pancreatic cancer is one of the most lethal malignant diseases. Various cells in the tumor microenvironment interact with tumor cells and orchestrate to support tumor progression. Several kinds of nerves are found in the tumor microenvironment, and each plays an essential role in tumor biology. Recent studies have shown that sympathetic, parasympathetic, and sensory neurons are found in the pancreatic cancer microenvironment. Neural signaling not only targets neural cells, but tumor cells and immune cells via neural receptors expressed on these cells, through which tumor growth, inflammation, and anti-tumor immunity are affected. Thus, these broad-range effects of neural signaling in the pancreatic cancer microenvironment may represent novel therapeutic targets. The modulation of neural signaling may be a therapeutic strategy targeting the whole tumor microenvironment. In this review, we describe the current understanding of the role of nerves in the tumor microenvironment of various cancers, with an emphasis on pancreatic cancer. We also discuss the underlying mechanisms and the possibility of therapeutic applications.
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Laskowska AK, Kleczkowska P. Anticancer efficacy of endo- and exogenous potent ligands acting at dopaminergic receptor-expressing cancer cells. Eur J Pharmacol 2022; 932:175230. [PMID: 36027983 DOI: 10.1016/j.ejphar.2022.175230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 08/18/2022] [Accepted: 08/18/2022] [Indexed: 11/27/2022]
Abstract
Cancer is one of the most common and dreaded diseases affecting the vastness of society. Unfortunately, still some people die especially when cancer is not diagnosed and thus caught early enough. On the other hand, using available chemo- or radiotherapy may result in serious side effects. Therefore, cancer-specific medications seem to be the most desired and safe therapy. Knowing that some cancers are characterized by overexpression of specific receptors on the cell surface, target-mediated drugs could serve as a unique and effective form of therapy. In line with this, recently dopaminergic receptors were presented important in cancer therapy as several dopaminergic ligands revealed their efficacy in tumor growth reduction as well as in apoptosis mediation. Unfortunately, the indication of whether DA receptor agonists or antagonists are the best choices in cancer treatment is quite difficult, since both of them may exert either pro- or anticancer effects. In this review, we analyze the therapeutic efficacy of compounds, both of exogenous and endogenous origin, targeting dopaminergic receptor-expressing cancers.
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Affiliation(s)
- Anna K Laskowska
- Centre for Preclinical Research and Technology (CePT), Department of Pharmaceutical Microbiology, Faculty of Pharmacy, Medical University of Warsaw, Banacha 1B Str., 02-097, Warsaw, Poland
| | - Patrycja Kleczkowska
- Maria Sklodowska-Curie Medical Academy in Warsaw, Solidarnosci 12 Str., 03-411, Warsaw, Poland; Military Institute of Hygiene and Epidemiology, Kozielska 4 Str., 01-163, Warsaw, Poland.
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Pal K, Hussain T, Xie H, Li S, Yang P, Mansfield A, Lou Y, Chowdhury S, Mukhopadhyay D. Expression, correlation, and prognostic significance of different nicotinic acetylcholine receptors, programed death ligand 1, and dopamine receptor D2 in lung adenocarcinoma. Front Oncol 2022; 12:959500. [PMID: 36072788 PMCID: PMC9441878 DOI: 10.3389/fonc.2022.959500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 07/21/2022] [Indexed: 12/24/2022] Open
Abstract
Objective The objective of this study is to evaluate the expression of different nicotinic acetylcholine receptors (nAChRs), programmed death ligand-1 (PD-L1), and dopamine receptor D2 (DRD2) as prognostic factors in lung cancer and any correlation among them. Since all of the above genes are typically upregulated in response to smoking, we hypothesized that a correlation might exist between DRD2, PD-L1, and nAChR expression in NSCLC patients with a smoking history and a prediction model may be developed to assess the clinical outcome. Methods We retrospectively analyzed samples from 46 patients with primary lung adenocarcinoma who underwent surgical resection at Mayo Clinic Rochester from June 2000 to October 2008. The expression of PD-L1, DRD2, CHRNA5, CHRNA7, and CHRNA9 were analyzed by quantitative PCR and correlated amongst themselves and with age, stage and grade, smoking status, overall survival (OS), and relapse-free survival (RFS). Results Only PD-L1 showed a statistically significant increase in expression in patients older than 65. All the above genes showed higher expression in stage IIIB than IIIA, but none reached statistical significance. Interestingly, we did not observe significant differences among never, former, and current smokers, but patients with pack years greater than 30 showed significantly higher expression of CHRNA9. We observed a strong positive correlation between PD-L1/DRD2, PD-L1/CHRNA5, and CHRNA5/CHRNA7 and a weak positive correlation between DRD2/CHRNA5 and DRD2/CHRNA7. Older age was independently associated with poor OS, whereas lower CHRNA7 expression was independently associated with better OS. Conclusions We observed strong positive correlations among PD-L1, DRD2, and some of the nAChRs. We investigated their prognostic significance in lung cancer patients and found CHRNA7 to be an independent prognostic factor. Overall, the results obtained from this preliminary study warrant a large cohort-based analysis that may ultimately lead to potential patient-specific stratification biomarkers predicting cancer-treatment outcomes.
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Affiliation(s)
- Krishnendu Pal
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Jacksonville, FL, United States
| | - Tabish Hussain
- Genomics and Molecular Medicine Unit, CSIR-Institute of Genomics and Integrative Biology, Mathura Road, New Delhi, India
| | - Hao Xie
- Division of Medical Oncology, Mayo Clinic, Rochester, MN, United States
| | - Shenduo Li
- Division of Hematology and Medical Oncology, Mayo Clinic, Jacksonville, FL, United States
| | - Ping Yang
- Department of Quantitative Health Sciences, Mayo Clinic Scottsdale, AZ, United States
| | - Aaron Mansfield
- Division of Medical Oncology, Mayo Clinic, Rochester, MN, United States
| | - Yanyan Lou
- Division of Hematology and Medical Oncology, Mayo Clinic, Jacksonville, FL, United States
| | - Shantanu Chowdhury
- Integrative and Functional Biology Unit, CSIR- Institute of Genomics and Integrative Biology, New Delhi, India
- Academy of Scientific and Innovative Research, CSIR- Institute of Genomics and Integrative Biology, New Delhi, India
| | - Debabrata Mukhopadhyay
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Jacksonville, FL, United States
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Emerging Roles of the Nervous System in Gastrointestinal Cancer Development. Cancers (Basel) 2022; 14:cancers14153722. [PMID: 35954387 PMCID: PMC9367305 DOI: 10.3390/cancers14153722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 07/23/2022] [Accepted: 07/27/2022] [Indexed: 12/10/2022] Open
Abstract
Simple Summary Nerve–cancer cross-talk has increasingly become a focus of the oncology field, particularly in gastrointestinal (GI) cancers. The indispensable roles of the nervous system in GI tumorigenesis and malignancy have been dissected by epidemiological, experimental animal and mechanistic data. Herein, we review and integrate recent discoveries linking the nervous system to GI cancer initiation and progression, and focus on the molecular mechanisms by which nerves and neural receptor pathways drive GI malignancy. Abstract Our understanding of the fascinating connection between nervous system and gastrointestinal (GI) tumorigenesis has expanded greatly in recent years. Recent studies revealed that neurogenesis plays an active part in GI tumor initiation and progression. Tumor-driven neurogenesis, as well as neurite outgrowth of the pre-existing peripheral nervous system (PNS), may fuel GI tumor progression via facilitating cancer cell proliferation, chemoresistance, invasion and immune escape. Neurotransmitters and neuropeptides drive the activation of various oncogenic pathways downstream of neural receptors within cancer cells, underscoring the importance of neural signaling pathways in GI tumor malignancy. In addition, neural infiltration also plays an integral role in tumor microenvironments, and contributes to an environment in favor of tumor angiogenesis, immune evasion and invasion. Blockade of tumor innervation via denervation or pharmacological agents may serve as a promising therapeutic strategy against GI tumors. In this review, we summarize recent findings linking the nervous system to GI tumor progression, set the spotlight on the molecular mechanisms by which neural signaling fuels cancer aggressiveness, and highlight the importance of targeting neural mechanisms in GI tumor therapy.
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25
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Sarkar C, Chakroborty D, Goswami S, Fan H, Mo X, Basu S. VEGF-A controls the expression of its regulator of angiogenic functions, dopamine D2 receptor, on endothelial cells. J Cell Sci 2022; 135:jcs259617. [PMID: 35593650 PMCID: PMC9234670 DOI: 10.1242/jcs.259617] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 05/05/2022] [Indexed: 01/08/2023] Open
Abstract
We have previously demonstrated significant upregulation of dopamine D2 (DAD2) receptor (DRD2) expression on tumor endothelial cells. The dopamine D2 receptors, upon activation, inhibit the proangiogenic actions of vascular endothelial growth factor-A (VEGF-A, also known as vascular permeability factor). Interestingly, unlike tumor endothelial cells, normal endothelial cells exhibit very low to no expression of dopamine D2 receptors. Here, for the first time, we demonstrate that through paracrine signaling, VEGF-A can control the expression of dopamine D2 receptors on endothelial cells via Krüppel-like factor 11 (KLF11)-extracellular signal-regulated kinase (ERK) 1/2 pathway. These results thus reveal a novel bidirectional communication between VEGF-A and DAD2 receptors.
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Affiliation(s)
- Chandrani Sarkar
- Department of Pathology, Ohio State University, Columbus, Ohio 43201, USA
- Comprehensive Cancer Center, Ohio State University, Columbus, Ohio 43210, USA
- Department of Pathology, University of South Alabama, Mobile, Alabama 36617, USA
- Cancer Biology Program, Mitchell Cancer Institute, University of South Alabama, Mobile, Alabama 36688, USA
- Department of Biochemistry & Molecular Biology, University of South Alabama, Mobile, Alabama 36688, USA
| | - Debanjan Chakroborty
- Department of Pathology, Ohio State University, Columbus, Ohio 43201, USA
- Comprehensive Cancer Center, Ohio State University, Columbus, Ohio 43210, USA
- Department of Pathology, University of South Alabama, Mobile, Alabama 36617, USA
- Cancer Biology Program, Mitchell Cancer Institute, University of South Alabama, Mobile, Alabama 36688, USA
- Department of Biochemistry & Molecular Biology, University of South Alabama, Mobile, Alabama 36688, USA
| | - Sandeep Goswami
- Department of Pathology, Ohio State University, Columbus, Ohio 43201, USA
- Department of Pathology, University of South Alabama, Mobile, Alabama 36617, USA
- Cancer Biology Program, Mitchell Cancer Institute, University of South Alabama, Mobile, Alabama 36688, USA
| | - Hao Fan
- Department of Pathology, Ohio State University, Columbus, Ohio 43201, USA
| | - Xiaokui Mo
- Department of Biomedical Informatics, Ohio State University, Columbus, Ohio 43210, USA
| | - Sujit Basu
- Department of Pathology, Ohio State University, Columbus, Ohio 43201, USA
- Comprehensive Cancer Center, Ohio State University, Columbus, Ohio 43210, USA
- Division of Medical Oncology, Department of Internal Medicine, Ohio State University, Columbus, Ohio 43210, USA
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26
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Naz F, Malik A, Riaz M, Mahmood Q, Mehmood MH, Rasool G, Mahmood Z, Abbas M. Bromocriptine Therapy: Review of mechanism of action, safety and tolerability. Clin Exp Pharmacol Physiol 2022; 49:903-922. [DOI: 10.1111/1440-1681.13678] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Revised: 05/24/2022] [Accepted: 05/25/2022] [Indexed: 11/28/2022]
Affiliation(s)
- Faiza Naz
- Punjab University College of Pharmacy University of the Punjab Lahore Pakistan
| | - Abdul Malik
- College of Pharmacy University of Sargodha Sargodha Pakistan
| | - Muhammad Riaz
- Department of Allied Health Sciences University of Sargodha Sargodha Pakistan
| | - Qaisar Mahmood
- College of Pharmacy University of Sargodha Sargodha Pakistan
| | - Malik Hassan Mehmood
- Department of Pharmacology, Faculty of Pharmaceutical Sciences Government College University Faisalabad Pakistan
| | - Ghulam Rasool
- Department of Allied Health Sciences University of Sargodha Sargodha Pakistan
| | - Zahed Mahmood
- Department of Biochemistry Government College University Faisalabad Pakistan
| | - Mazhar Abbas
- Department of Biochemistry College of Veterinary and Animal Sciences, University of Veterinary and Animal Sciences (Jhang Campus) Lahore Pakistan
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27
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Grant CE, Flis A, Ryan BM. Understanding the Role of Dopamine in Cancer: Past, Present, and Future. Carcinogenesis 2022; 43:517-527. [PMID: 35616105 DOI: 10.1093/carcin/bgac045] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 05/12/2022] [Accepted: 05/23/2022] [Indexed: 11/14/2022] Open
Abstract
Dopamine (DA, 3-hydroxytyramine) is member of the catecholamine family and is classically characterized according to its role in the central nervous system as a neurotransmitter. In recent decades, many novel and intriguing discoveries have been made about the peripheral expression of DA receptors (DRs) and the role of DA signaling in both normal and pathological processes. Drawing from decades of evidence suggesting a link between DA and cancer, the DA pathway (DAP) has recently emerged as a potential target in antitumor therapies. Due to the onerous, expensive, and frequently unsuccessful nature of drug development, the repurposing of dopaminergic drugs for cancer therapy has the potential to greatly benefit patients and drug developers alike. However, the lack of clear mechanistic data supporting the direct involvement of DRs and their downstream signaling components in cancer represents an ongoing challenge that has limited the translation of these drugs to the clinic. Despite this, the breadth of evidence linking DA to cancer and non-tumor cells in the tumor microenvironment (TME) justifies further inquiry into the potential applications of this treatment modality in cancer. Herein, we review the literature characterizing the interplay between the DA signaling axis and cancer, highlighting key findings, and then propose rational lines of investigation to follow.
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Affiliation(s)
- Christopher E Grant
- Laboratory of Human Carcinogenesis, Center for Cancer Research, National Cancer Institute, Bethesda, MD
| | - Amy Flis
- Laboratory of Human Carcinogenesis, Center for Cancer Research, National Cancer Institute, Bethesda, MD
| | - Bríd M Ryan
- Laboratory of Human Carcinogenesis, Center for Cancer Research, National Cancer Institute, Bethesda, MD
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Gupta D, Kaushik D, Mohan V. Role of neurotransmitters in the regulation of cutaneous wound healing. Exp Brain Res 2022; 240:1649-1659. [PMID: 35488904 DOI: 10.1007/s00221-022-06372-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Accepted: 04/13/2022] [Indexed: 11/04/2022]
Abstract
Wound healing is a highly coordinated and dynamic process of tissue repair after injury. The global burden of disease associated with wounds, both acute and chronic, is a significantly rising health concern. Upon skin wounding, neurons have the ability to sense the disruption to mediate the release of neurotransmitters into the wound microenvironment. Serotonin that has long been recognised as a potential vasoconstrictor is now also being contemplated to play a role in re-epithelialisation of wounds. While the role of neuropeptides in stimulating diabetic wound healing is being increasingly emphasised, on the other hand, dopamine is being widely studied for its dual role in mediating both pro- and antiangiogenic effects at the site of the wounds. Similarly, epinephrine levels that are known to be elevated during stress is now recognised as a contributing factor towards delayed wound closure, thereby serving as an inhibitor of wound healing. Thus, each neurotransmitter regulates wound repair and their active regeneration in a typical way. Strengthening our understanding of the molecular pathways via which the neurotransmitter modulates the immune system to control wound healing can yield potential therapeutic measures. Further investigations regarding the safety, efficacy, and cost-effectiveness of these processes are a prerequisite for their possible translation into clinical trials.
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Affiliation(s)
- Divya Gupta
- Department of Life Sciences, Neurosciences, Gurugram University, Sector-51, Gurugram, Haryana, India
| | - Dhirender Kaushik
- Department of Life Sciences, Neurosciences, Gurugram University, Sector-51, Gurugram, Haryana, India
| | - Vandana Mohan
- Department of Life Sciences, Neurosciences, Gurugram University, Sector-51, Gurugram, Haryana, India.
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29
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Kasica N, Święch A, Saładziak K, Mackiewicz J, Osęka M. The Inhibitory Effect of Selected D2 Dopaminergic Receptor Agonists on VEGF-Dependent Neovascularization in Zebrafish Larvae: Potential New Therapy in Ophthalmic Diseases. Cells 2022; 11:cells11071202. [PMID: 35406766 PMCID: PMC8997652 DOI: 10.3390/cells11071202] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 03/26/2022] [Accepted: 03/31/2022] [Indexed: 01/01/2023] Open
Abstract
Pathological angiogenesis is correlated with many ophthalmic diseases. The most common are exudative age-related macular degeneration and proliferative diabetic retinopathy. The current treatment for these diseases is based on regularly administered anti-VEGF antibodies injections. In the study, we investigated selected D2 dopaminergic receptor agonists, namely bromocriptine, cabergoline and pergolide, on hypoxia-induced neovascularization. We used the zebrafish laboratory model, specifically three-day post fertilization (dpf) Tg(fli-1: EGFP) zebrafish larvae. To induce abnormal angiogenesis of hyaloid-retinal vessels (HRVs) and intersegmental vessels (ISVs), the larvae were treated with cobalt chloride (II) (CoCl2) (a hypoxia-inducing agent) from 24 h post fertilization. The inhibitory role of D2 dopaminergic receptor agonists was investigated using confocal microscopy and qPCR. Additionally, the results were compared to those obtained in the group treated with CoCl2 followed by bevacizumab, the well-known antiangiogenic agent. Confocal microscopy analyses revealed severe deformation of vessels in the CoCl2 treated group, while co-incubation with bromocriptine, cabergoline, pergolide and bevacizumab, respectively, significantly inhibited abnormalities of angiogenesis. The qPCR analyses supported the protective role of the chosen dopaminergic agonists by demonstrating their influence on CoCl2-derived upregulation of vegfaa expression. The present results suggest that the D2 receptor agonists can be considered as a new direction in research for antiangiogenic therapy.
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Affiliation(s)
- Natalia Kasica
- Department of Animal Anatomy, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Oczapowskiego 13 Street, Box 105J, 10-719 Olsztyn, Poland
- Correspondence:
| | - Anna Święch
- Department of Retina and Vitreus Surgery, Medical University in Lublin, Chmielna 1 Street, 20-079 Lublin, Poland; (A.Ś.); (K.S.); (J.M.)
| | - Katarzyna Saładziak
- Department of Retina and Vitreus Surgery, Medical University in Lublin, Chmielna 1 Street, 20-079 Lublin, Poland; (A.Ś.); (K.S.); (J.M.)
| | - Jerzy Mackiewicz
- Department of Retina and Vitreus Surgery, Medical University in Lublin, Chmielna 1 Street, 20-079 Lublin, Poland; (A.Ś.); (K.S.); (J.M.)
| | - Maciej Osęka
- Oftalabs Sp. z o.o., Wrocławska 130, 58-306 Wałbrzych, Poland;
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30
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Adán-Castro E, Siqueiros-Márquez L, Ramírez-Hernández G, Díaz-Lezama N, Ruíz-Herrera X, Núñez FF, Núñez-Amaro CD, Robles-Osorio ML, Bertsch T, Triebel J, Martínez de la Escalera G, Clapp C. Sulpiride-induced hyperprolactinaemia increases retinal vasoinhibin and protects against diabetic retinopathy in rats. J Neuroendocrinol 2022; 34:e13091. [PMID: 35078262 DOI: 10.1111/jne.13091] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Revised: 12/21/2021] [Accepted: 01/10/2022] [Indexed: 11/30/2022]
Abstract
Excessive vasopermeability and angiogenesis compromise vision in diabetic macular oedema (DME) and diabetic retinopathy (DR). Vasoinhibin is a fragment of the hormone prolactin (PRL) that inhibits diabetes-induced retinal hypervasopermeability and ischaemia-induced retinal angiogenesis in rodents. Hyperprolactinaemia generated by the dopamine D2 receptor antagonist, levosulpiride, is associated with higher levels of vasoinhibin in the vitreous of patients with DR, implying a beneficial outcome due to vasoinhibin-mediated inhibition of retinal vascular alterations. Here, we tested whether hyperprolactinaemia induced by racemic sulpiride increases intraocular vasoinhibin levels and inhibits retinal hypervasopermeability in diabetic rats. Diabetes was generated with streptozotocin and, 4 weeks later, rats were treated for 2 weeks with sulpiride or osmotic minipumps delivering PRL. ELISA, Western blot, and Evans blue assay were used to evaluate serum PRL, retinal vasoinhibin, and retinal vasopermeability, respectively. Hyperprolactinaemia in response to sulpiride or exogenous PRL was associated with increased levels of vasoinhibin in the retina and reduced retinal hypervasopermeability. Furthermore, sulpiride decreased retinal haemorrhages in response to the intravitreal administration of vascular endothelial growth factor (VEGF). Neither sulpiride nor exogenous PRL modified blood glucose levels or bodyweight. We conclude that sulpiride-induced hyperprolactinaemia inhibits the diabetes- and VEGF-mediated increase in retinal vasopermeability by promoting the intraocular conversion of endogenous PRL to vasoinhibin. These findings support the therapeutic potential of sulpiride and its levorotatory enantiomer, levosulpiride, against DME and DR.
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Affiliation(s)
- Elva Adán-Castro
- Instituto de Neurobiología, Universidad Nacional Autónoma de México (UNAM), Querétaro, México
| | | | | | - Nundehui Díaz-Lezama
- Instituto de Neurobiología, Universidad Nacional Autónoma de México (UNAM), Querétaro, México
| | - Xarubet Ruíz-Herrera
- Instituto de Neurobiología, Universidad Nacional Autónoma de México (UNAM), Querétaro, México
| | - Francisco Freinet Núñez
- Instituto de Neurobiología, Universidad Nacional Autónoma de México (UNAM), Querétaro, México
| | - Carlos D Núñez-Amaro
- Facultad de Ciencias Naturales, Universidad Autónoma de Querétaro, Querétaro, México
| | | | - Thomas Bertsch
- Institute for Clinical Chemistry, Laboratory Medicine and Transfusion Medicine, Nuremberg General Hospital & Paracelsus Medical University, Nuremberg, Germany
| | - Jakob Triebel
- Institute for Clinical Chemistry, Laboratory Medicine and Transfusion Medicine, Nuremberg General Hospital & Paracelsus Medical University, Nuremberg, Germany
| | | | - Carmen Clapp
- Instituto de Neurobiología, Universidad Nacional Autónoma de México (UNAM), Querétaro, México
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31
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Shi HT, Huang ZH, Xu TZ, Sun AJ, Ge JB. New diagnostic and therapeutic strategies for myocardial infarction via nanomaterials. EBioMedicine 2022; 78:103968. [PMID: 35367772 PMCID: PMC8983382 DOI: 10.1016/j.ebiom.2022.103968] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 03/10/2022] [Accepted: 03/10/2022] [Indexed: 12/12/2022] Open
Abstract
Myocardial infarction is lethal to patients because of insufficient blood perfusion to vital organs. Several attempts have been made to improve its prognosis, among which nanomaterial research offers an opportunity to address this problem at the molecular level and has the potential to improve disease prevention, diagnosis, and treatment significantly. Up to now, nanomaterial-based technology has played a crucial role in broad novel diagnostic and therapeutic strategies for cardiac repair. This review summarizes various nanomaterial applications in myocardial infarction from multiple aspects, including high precision detection, pro-angiogenesis, regulating immune homeostasis, and miRNA and stem cell delivery vehicles. We also propose promising research hotspots that have not been reported much yet, such as conjugating pro-angiogenetic elements with nanoparticles to construct drug carriers, developing nanodrugs targeting other immune cells except for macrophages in the infarcted myocardium or the remote region. Though most of those strategies are preclinical and lack clinical trials, there is tremendous potential for their further applications in the future.
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Affiliation(s)
- Hong-Tao Shi
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, Shanghai, China; National Clinical Research Center for Interventional Medicine, Shanghai, China; Shanghai Clinical Research Center for Interventional Medicine, Shanghai, China; Institute of Biomedical Science, Fudan University, Shanghai, China; Shanghai Center for Brain Science and Brain-Inspired Technology, Shanghai, China
| | - Zi-Hang Huang
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, Shanghai, China; National Clinical Research Center for Interventional Medicine, Shanghai, China; Shanghai Clinical Research Center for Interventional Medicine, Shanghai, China; Institute of Biomedical Science, Fudan University, Shanghai, China
| | - Tian-Zhao Xu
- School of Life Science, Shanghai University, Shanghai, China
| | - Ai-Jun Sun
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, Shanghai, China; National Clinical Research Center for Interventional Medicine, Shanghai, China; Shanghai Clinical Research Center for Interventional Medicine, Shanghai, China; Institute of Biomedical Science, Fudan University, Shanghai, China.
| | - Jun-Bo Ge
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, Shanghai, China; National Clinical Research Center for Interventional Medicine, Shanghai, China; Shanghai Clinical Research Center for Interventional Medicine, Shanghai, China; Institute of Biomedical Science, Fudan University, Shanghai, China.
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Quinagolide Treatment Reduces Invasive and Angiogenic Properties of Endometrial Mesenchymal Stromal Cells. Int J Mol Sci 2022; 23:ijms23031775. [PMID: 35163699 PMCID: PMC8836593 DOI: 10.3390/ijms23031775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 01/27/2022] [Accepted: 02/02/2022] [Indexed: 12/10/2022] Open
Abstract
Endometrial mesenchymal stromal cells (E-MSCs) extensively contribute to the establishment and progression of endometrial ectopic lesions through formation of the stromal vascular tissue, and support to its growth and vascularization. As E-MSCs lack oestrogen receptors, endometriosis eradication cannot be achieved by hormone-based pharmacological approaches. Quinagolide is a non-ergot-derived dopamine receptor 2 agonist reported to display therapeutic effects in in vivo models of endometriosis. In the present study, we isolated E-MSCs from eutopic endometrial tissue and from ovarian and peritoneal endometriotic lesions, and we tested the effect of quinagolide on their proliferation and matrix invasion ability. Moreover, the effect of quinagolide on E-MSC endothelial differentiation was assessed in an endothelial co-culture model of angiogenesis. E-MSC lines expressed dopamine receptor 2, with higher expression in ectopic than eutopic ones. Quinagolide inhibited the invasive properties of E-MSCs, but not their proliferation, and limited their endothelial differentiation. The abrogation of the observed effects by spiperone, a dopamine receptor antagonist, confirmed specific dopamine receptor activation. At variance, no involvement of VEGFR2 inhibition was observed. Moreover, dopamine receptor 2 activation led to downregulation of AKT and its phosphorylation. Of interest, several effects were more prominent on ectopic E-MSCs with respect to eutopic lines. Together with the reported effects on endometrial and endothelial cells, the observed inhibition of E-MSCs may increase the rationale for quinagolide in endometriosis treatment.
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Wu D, Shi H, Yu Y, Yu T, Zhai J. Comparison of the Effectiveness of Various Medicines in the Prevention of Ovarian Hyperstimulation Syndrome: A Network Meta-Analysis of Randomized Controlled Trials. Front Endocrinol (Lausanne) 2022; 13:808517. [PMID: 35154015 PMCID: PMC8825486 DOI: 10.3389/fendo.2022.808517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 01/03/2022] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Previous studies have described the effects of different drugs in preventing ovarian hyperstimulation syndrome (OHSS). However, the efficacies of those drugs in preventing OHSS remain inconclusive. METHODS We searched the PubMed, Web of Science, Embase, and Cochrane Central Register of Controlled Trials (CENTRAL) databases. A network meta-analysis of randomized controlled trials (RCTs) was performed up to August 2021. We investigated the following drugs in our study: aspirin, albumin, metformin, calcium, cabergoline, quinagolide, letrozole, hydroxyethyl starch (HES), and glucocorticoids. The primary outcome was the incidence rate of moderate-to-severe OHSS, with the results presented as risk ratios (RRs) with 95% confidence intervals (CIs). RESULTS The incidence of moderate-to-severe OHSS was significantly reduced by calcium administration (risk ratios [RR] 0.14, 95% confidence interval [CI]: 0.04, 0.46) (grade: high), HES (RR 0.25, 95% CI 0.07, 0.73) (grade: high), and cabergoline (RR 0.43, 95% CI 0.24, 0.71) (grade: moderate). The surface under the cumulative ranking curve (SUCRA) indicated that calcium (SUCRA, 92.4%) was the most effective intervention for preventing moderate-to-severe OHSS. These drugs were safe and did not affect clinical pregnancy, miscarriage, or live birth rates. CONCLUSION Calcium, HES, and cabergoline could effectively and safely prevent moderate-to-severe OHSS, with calcium as the most effective intervention.
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Affiliation(s)
- Di Wu
- Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Henan Provincial Obstetrical and Gynecological Diseases (Reproductive Medicine) Clinical Research Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Hao Shi
- Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Henan Provincial Obstetrical and Gynecological Diseases (Reproductive Medicine) Clinical Research Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yiping Yu
- Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Henan Provincial Obstetrical and Gynecological Diseases (Reproductive Medicine) Clinical Research Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Ting Yu
- Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Henan Provincial Obstetrical and Gynecological Diseases (Reproductive Medicine) Clinical Research Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Jun Zhai
- Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Henan Provincial Obstetrical and Gynecological Diseases (Reproductive Medicine) Clinical Research Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- *Correspondence: Jun Zhai,
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Stofkova A, Zloh M, Andreanska D, Fiserova I, Kubovciak J, Hejda J, Kutilek P, Murakami M. Depletion of Retinal Dopaminergic Activity in a Mouse Model of Rod Dysfunction Exacerbates Experimental Autoimmune Uveoretinitis: A Role for the Gateway Reflex. Int J Mol Sci 2021; 23:ijms23010453. [PMID: 35008877 PMCID: PMC8745287 DOI: 10.3390/ijms23010453] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 12/24/2021] [Accepted: 12/29/2021] [Indexed: 12/20/2022] Open
Abstract
The gateway reflex is a mechanism by which neural inputs regulate chemokine expression at endothelial cell barriers, thereby establishing gateways for the invasion of autoreactive T cells into barrier-protected tissues. In this study, we hypothesized that rod photoreceptor dysfunction causes remodeling of retinal neural activity, which influences the blood–retinal barrier and the development of retinal inflammation. We evaluated this hypothesis using Gnat1rd17 mice, a model of night blindness with late-onset rod-cone dystrophy, and experimental autoimmune uveoretinitis (EAU). Retinal remodeling and its effect on EAU development were investigated by transcriptome profiling, target identification, and functional validation. We showed that Gnat1rd17 mice primarily underwent alterations in their retinal dopaminergic system, triggering the development of an exacerbated EAU, which was counteracted by dopamine replacement with L-DOPA administered either systemically or locally. Remarkably, dopamine acted on retinal endothelial cells to inhibit NF-κB and STAT3 activity and the expression of downstream target genes such as chemokines involved in T cell recruitment. These results suggest that rod-mediated dopamine release functions in a gateway reflex manner in the homeostatic control of immune cell entry into the retina, and the loss of retinal dopaminergic activity in conditions associated with rod dysfunction increases the susceptibility to autoimmune uveitis.
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Affiliation(s)
- Andrea Stofkova
- Department of Physiology, Third Faculty of Medicine, Charles University, Ke Karlovu 4, 120 00 Prague, Czech Republic; (M.Z.); (D.A.); (I.F.)
- Correspondence: ; Tel.: +420-224-902-718
| | - Miloslav Zloh
- Department of Physiology, Third Faculty of Medicine, Charles University, Ke Karlovu 4, 120 00 Prague, Czech Republic; (M.Z.); (D.A.); (I.F.)
| | - Dominika Andreanska
- Department of Physiology, Third Faculty of Medicine, Charles University, Ke Karlovu 4, 120 00 Prague, Czech Republic; (M.Z.); (D.A.); (I.F.)
| | - Ivana Fiserova
- Department of Physiology, Third Faculty of Medicine, Charles University, Ke Karlovu 4, 120 00 Prague, Czech Republic; (M.Z.); (D.A.); (I.F.)
- Department of Pathophysiology, Third Faculty of Medicine, Charles University, Ruska 87, 100 00 Prague, Czech Republic
| | - Jan Kubovciak
- Laboratory of Genomics and Bioinformatics, Institute of Molecular Genetics of the Czech Academy of Sciences, Videnska 1083, 142 20 Prague, Czech Republic;
| | - Jan Hejda
- Department of Health Care and Population Protection, Faculty of Biomedical Engineering, Czech Technical University in Prague, Sitna Sq. 3105, 272 01 Kladno, Czech Republic; (J.H.); (P.K.)
| | - Patrik Kutilek
- Department of Health Care and Population Protection, Faculty of Biomedical Engineering, Czech Technical University in Prague, Sitna Sq. 3105, 272 01 Kladno, Czech Republic; (J.H.); (P.K.)
| | - Masaaki Murakami
- Division of Molecular Psychoimmunology, Institute for Genetic Medicine and Graduate School of Medicine, Hokkaido University, Kita-15, Nishi-7, Kita-ku, Sapporo 060-0815, Japan;
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DiVasta AD, Stamoulis C, Gallagher JS, Laufer MR, Anchan R, Hornstein MD. Nonhormonal therapy for endometriosis: a randomized, placebo-controlled, pilot study of cabergoline versus norethindrone acetate. F S Rep 2021; 2:454-461. [PMID: 34934987 PMCID: PMC8655411 DOI: 10.1016/j.xfre.2021.07.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 07/19/2021] [Accepted: 07/19/2021] [Indexed: 01/11/2023] Open
Abstract
Objective To estimate the efficacy and safety of a novel nonhormonal therapeutic agent, cabergoline, compared with that of the standard clinical therapy, norethindrone acetate (NETA), for the treatment of endometriosis-associated pain in young women with endometriosis. Design Randomized, double-blind, placebo-controlled pilot study. Setting Tertiary care center. Patient(s) Women (n = 9) with surgically confirmed endometriosis. Intervention(s) A random, double-blind assignment to either NETA (5 mg/day) + placebo twice weekly or cabergoline (0.5 mg) twice weekly + placebo daily for 6 months. Main Outcome Measure(s) We collected the measures of pelvic pain and laboratory parameters every 3 months. Result(s) We observed a decrease in pain scores and increase in pain relief in women randomized to receive cabergoline, who appeared to show similar or more improvements than women treated with NETA. The serum measures of vascular endothelial growth factor receptor 1 declined over 6 months in those who received cabergoline. Cabergoline was well tolerated, and no serious adverse events occurred. Conclusion(s) Safe, effective adjunct treatments are lacking for patients with endometriosis who do not respond to standard care. Because the growth of endometriosis requires angiogenesis, blood vessel growth is an attractive therapeutic target. This pilot study suggests that cabergoline, a vascular endothelial growth factor pathway inhibitor, is an effective therapeutic option for women with chronic pain due to endometriosis. Building upon this investigation, we will conduct larger, randomized trials of cabergoline, advancing research on the best treatments for endometriosis—particularly disease resistant to hormonal therapies. Clinical Trial Registration Number clinicaltrials.gov; registration number NCT02542410.
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Affiliation(s)
- Amy D DiVasta
- Division of Adolescent Medicine, Boston Children's Hospital, Boston, Massachusetts.,Boston Center for Endometriosis, Boston, Massachusetts.,Harvard Medical School, Boston, Massachusetts
| | - Catherine Stamoulis
- Division of Adolescent Medicine, Boston Children's Hospital, Boston, Massachusetts.,Harvard Medical School, Boston, Massachusetts
| | - Jenny Sadler Gallagher
- Division of Adolescent Medicine, Boston Children's Hospital, Boston, Massachusetts.,Boston Center for Endometriosis, Boston, Massachusetts
| | - Marc R Laufer
- Boston Center for Endometriosis, Boston, Massachusetts.,Harvard Medical School, Boston, Massachusetts.,Division of Gynecology, Department of Surgery, Boston Children's Hospital, Boston, Massachusetts.,Division of Fertility and Reproductive Surgery, Department of Obstetrics and Gynecology, Brigham and Women's Hospital, Boston, Massachusetts
| | - Raymond Anchan
- Boston Center for Endometriosis, Boston, Massachusetts.,Harvard Medical School, Boston, Massachusetts.,Division of Fertility and Reproductive Surgery, Department of Obstetrics and Gynecology, Brigham and Women's Hospital, Boston, Massachusetts
| | - Mark D Hornstein
- Boston Center for Endometriosis, Boston, Massachusetts.,Harvard Medical School, Boston, Massachusetts.,Division of Fertility and Reproductive Surgery, Department of Obstetrics and Gynecology, Brigham and Women's Hospital, Boston, Massachusetts
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Recurrent high-impact mutations at cognate structural positions in class A G protein-coupled receptors expressed in tumors. Proc Natl Acad Sci U S A 2021; 118:2113373118. [PMID: 34916293 PMCID: PMC8713800 DOI: 10.1073/pnas.2113373118] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/01/2021] [Indexed: 12/23/2022] Open
Abstract
GPCRs and GPCR pathways are increasingly being implicated in human malignancies, placing them among the most promising cancer drug candidates. Our results reveal enrichment of highly impactful, recurrent GPCR mutations within cancers. We found that cognate mutations in selected class A GPCRs have deleterious effects on signaling function. The results also suggest that olfactory receptors, often considered inconsequential, display a nonrandom mutation pattern in tumors in which they are expressed. These findings support the idea that protein paralogs can act in parallel as members of an onco-group. G protein-coupled receptors (GPCRs) are the largest family of human proteins. They have a common structure and, signaling through a much smaller set of G proteins, arrestins, and effectors, activate downstream pathways that often modulate hallmark mechanisms of cancer. Because there are many more GPCRs than effectors, mutations in different receptors could perturb signaling similarly so as to favor a tumor. We hypothesized that somatic mutations in tumor samples may not be enriched within a single gene but rather that cognate mutations with similar effects on GPCR function are distributed across many receptors. To test this possibility, we systematically aggregated somatic cancer mutations across class A GPCRs and found a nonrandom distribution of positions with variant amino acid residues. Individual cancer types were enriched for highly impactful, recurrent mutations at selected cognate positions of known functional motifs. We also discovered that no single receptor drives this pattern, but rather multiple receptors contain amino acid substitutions at a few cognate positions. Phenotypic characterization suggests these mutations induce perturbation of G protein activation and/or β-arrestin recruitment. These data suggest that recurrent impactful oncogenic mutations perturb different GPCRs to subvert signaling and promote tumor growth or survival. The possibility that multiple different GPCRs could moonlight as drivers or enablers of a given cancer through mutations located at cognate positions across GPCR paralogs opens a window into cancer mechanisms and potential approaches to therapeutics.
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Sheida F, Razi S, Keshavarz-Fathi M, Rezaei N. The role of myeloid-derived suppressor cells in lung cancer and targeted immunotherapies. Expert Rev Anticancer Ther 2021; 22:65-81. [PMID: 34821533 DOI: 10.1080/14737140.2022.2011224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
INTRODUCTION Lung cancer is the deadliest cancer in both sexes combined globally due to significant delays in diagnosis and poor survival. Despite advances in the treatment of lung cancer, the overall outcomes remain poor and traditional chemotherapy fails to provide long-term benefits for many patients. Therefore, new treatment strategies are needed to increase overall survival. Myeloid-derived suppressor cells (MDSCs) are immunosuppressive cells taking part in lung cancer, as has been described in other types of tumors. MDSCs immunosuppressive activity is mediated by arginases (ARG-1 and ARG-2), nitric oxide (NO), reactive oxygen species (ROS), peroxynitrite, PD-1/PD-L1 axis, and different cytokines. MDSCs can be a target for lung cancer immunotherapy by inducing their differentiation into mature myeloid cells, elimination, attenuation of their function, and inhibition of their accumulation. AREAS COVERED In this review, the immunosuppressive function of MDSCs, their role in lung cancer, and strategies to target them, which could result in increased efficacy of immunotherapy in patients with lung cancer, are discussed. EXPERT OPINION Identification of important mechanisms and upstream pathways involved in MDSCs functions paves the way for further preclinical and clinical lung cancer research, which could lead to the development of novel therapeutic approaches.
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Affiliation(s)
- Fateme Sheida
- Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Tehran, Iran.,Student Research Committee, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Sepideh Razi
- Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Tehran, Iran.,School of Medicine, Iran University of Medical Sciences, Tehran, Iran.,Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Mahsa Keshavarz-Fathi
- Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Tehran, Iran.,Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran.,School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Nima Rezaei
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran.,Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.,Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Stockholm, Sweden
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38
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Kang H, Yu H, Fan J, Cao G. Rotigotine protects against oxidized low-density lipoprotein(ox-LDL)-induced damages in human umbilical vein endothelial cells(HUVECs). Bioengineered 2021; 12:10568-10579. [PMID: 34860135 PMCID: PMC8810014 DOI: 10.1080/21655979.2021.2000224] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Rotigotine is a non-ergoline dopamine agonist that has been licensed for the treatment of Parkinson’s disease. Cardiovascular diseases are the world’s leading cause of death. Ox-LDL- induced endothelial damages are involved in the initiation and progression of cardiovascular diseases. In this study, we assessed the beneficial properties of Rotigotine on ox-LDL-induced insults to HUVECs to highlight its potential use in the treatment of cardiovascular diseases. Our findings show that Rotigotine suppresses the expressions of low-density lipoprotein receptor (LDL-R), proprotein convertase subtilisin/kexin type 9 (PCSK-9), and sterol regulatory element-binding protein (SREBP-2). It also inhibits ox-LDL-induced cholesterol accumulation in endothelial cells (ECs), improves U937 monocytes adhesion, and decreases the representation of NADPH oxidase (NOX-4) and generation of reactive oxygen species (ROS) in endothelial cells (ECs). Furthermore, Rotigotine inhibited the expressions of both vascular cellular adhesion molecule-1 (VCAM-1) and intercellular adhesion molecule-1 (ICAM-1) in HUVECs and had anti-inflammatory efficacy in ox-LDL-induced cells by inhibiting the expressions of pro-inflammatory cytokines. Notably, Rotigotine inhibits the activation of nuclear factor-kappaB (NF-κB) by preventing nuclear translocation of NF-κB p65 and reducing the luciferase activity of NF-κB reporter. We, therefore, conclude that these effects of Rotigotine on HUVECs suggest that it may play a therapeutic role in cardiovascular diseases.
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Affiliation(s)
- Hui Kang
- Department of Cardiovascular Surgery, West China Hospital of Sichuan University, Chengdu, China
| | - Hui Yu
- Department of Cardiovascular Surgery, West China Hospital of Sichuan University, Chengdu, China
| | - Jingxiu Fan
- Department of Cardiovascular Surgery, West China Hospital of Sichuan University, Chengdu, China
| | - Ge Cao
- Department of Cardiovascular Surgery, West China Hospital of Sichuan University, Chengdu, China
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Levi-Setti PE, Di Segni N, Gargasole C, Ronchetti C, Cirillo F. Ovarian Hyperstimulation: Diagnosis, Prevention, and Management. Semin Reprod Med 2021; 39:170-179. [PMID: 34644798 DOI: 10.1055/s-0041-1736492] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Ovarian hyperstimulation syndrome (OHSS) is a severe complication of controlled ovarian stimulation (COS). Pathogenesis of the disease is based on massive transudation of protein-rich fluid from the vascular compartment into the peritoneal, pleural and pericardial spaces, with a variable picture of clinical manifestations depending on its severity. Nowadays OHSS can easily be avoided by several prevention methods, ranging from identification of high-risk patients, choice of a correct protocol stimulation, trigger with gonadotropin-releasing hormone (GnRH) agonists or, finally, the freeze-all strategy. When OHSS occurs, it can usually be managed as outpatient care. Only if severe/critical cases are diagnosed hospitalization is necessary for appropriate rehydration, monitoring of fluid balance and eventual drainage of ascitic fluid. One of the most dangerous complications of OHSS is venous thromboembolism (VTE). Thromboprophylaxis has shown to be cost effective and widely used, while there are controversies regarding the usage of low dose aspirin (LDA) as a preventive measure.
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Affiliation(s)
- Paolo Emanuele Levi-Setti
- IRCCS Humanitas Research Hospital, Department of Gynecology, Division of Gynecology and Reproductive Medicine, Fertility Center, Milan, Italy
| | - Noemi Di Segni
- IRCCS Humanitas Research Hospital, Department of Gynecology, Division of Gynecology and Reproductive Medicine, Fertility Center, Milan, Italy.,Humanitas University, Department of Biomedical Sciences, Milan, Italy
| | - Clara Gargasole
- IRCCS Humanitas Research Hospital, Department of Gynecology, Division of Gynecology and Reproductive Medicine, Fertility Center, Milan, Italy.,Humanitas University, Department of Biomedical Sciences, Milan, Italy
| | - Camilla Ronchetti
- IRCCS Humanitas Research Hospital, Department of Gynecology, Division of Gynecology and Reproductive Medicine, Fertility Center, Milan, Italy.,Humanitas University, Department of Biomedical Sciences, Milan, Italy
| | - Federico Cirillo
- IRCCS Humanitas Research Hospital, Department of Gynecology, Division of Gynecology and Reproductive Medicine, Fertility Center, Milan, Italy
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40
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Ge S, Khachemoune A. The Importance of Cutaneous Innervation in Wound Healing: From Animal Studies to Clinical Applications. INT J LOW EXTR WOUND 2021:15347346211045022. [PMID: 34533075 DOI: 10.1177/15347346211045022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
The skin is a neuroimmunoendocrine organ that regularly undergoes injury and repair. The complex process of wound healing relies heavily on the cutaneous nervous system. Despite the observation that wound healing deficiencies cause significant morbidity and mortality for patients with nervous dysfunction across many disciplinaries, the role of cutaneous innervation in wound repair has not been well elucidated. In a previous article, we learned the basics of cutaneous neuroanatomy and the important neuropeptides involved in the wound healing process. Currently, we aim to synthesize the basics with observations from animal models and human studies for a more comprehensive understanding of nervous system involvement in cutaneous wound healing. We have demonstrated in this review, the importance of the cutaneous nervous system in each phase of wound healing through basic science research, animal experiments, and human studies.
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Affiliation(s)
| | - Amor Khachemoune
- Veterans Affairs Medical Center, Brooklyn, NY, USA.,SUNY Downstate, Brooklyn, NY, USA
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Roda N, Blandano G, Pelicci PG. Blood Vessels and Peripheral Nerves as Key Players in Cancer Progression and Therapy Resistance. Cancers (Basel) 2021; 13:cancers13174471. [PMID: 34503281 PMCID: PMC8431382 DOI: 10.3390/cancers13174471] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 08/31/2021] [Accepted: 09/02/2021] [Indexed: 12/12/2022] Open
Abstract
Simple Summary The interactions between cancer cells and the surrounding blood vessels and peripheral nerves are critical in all the phases of tumor development. Accordingly, therapies that specifically target vessels and nerves represent promising anticancer approaches. The first aim of this review is to document the importance of blood vessels and peripheral nerves in both cancer onset and local or distant growth of tumoral cells. We then focus on the state-of-the-art therapies that limit cancer progression through the impairment of blood vessels and peripheral nerves. The mentioned literature is helpful for the scientific community to appreciate the recent advances in these two fundamental components of tumors. Abstract Cancer cells continuously interact with the tumor microenvironment (TME), a heterogeneous milieu that surrounds the tumor mass and impinges on its phenotype. Among the components of the TME, blood vessels and peripheral nerves have been extensively studied in recent years for their prominent role in tumor development from tumor initiation. Cancer cells were shown to actively promote their own vascularization and innervation through the processes of angiogenesis and axonogenesis. Indeed, sprouting vessels and axons deliver several factors needed by cancer cells to survive and proliferate, including nutrients, oxygen, and growth signals, to the expanding tumor mass. Nerves and vessels are also fundamental for the process of metastatic spreading, as they provide both the pro-metastatic signals to the tumor and the scaffold through which cancer cells can reach distant organs. Not surprisingly, continuously growing attention is devoted to the development of therapies specifically targeting these structures, with promising initial results. In this review, we summarize the latest evidence that supports the importance of blood vessels and peripheral nerves in cancer pathogenesis, therapy resistance, and innovative treatments.
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Affiliation(s)
- Niccolò Roda
- Department of Experimental Oncology, IEO, European Institute of Oncology IRCCS, 20139 Milan, Italy; (N.R.); (G.B.)
| | - Giada Blandano
- Department of Experimental Oncology, IEO, European Institute of Oncology IRCCS, 20139 Milan, Italy; (N.R.); (G.B.)
| | - Pier Giuseppe Pelicci
- Department of Experimental Oncology, IEO, European Institute of Oncology IRCCS, 20139 Milan, Italy; (N.R.); (G.B.)
- Department of Oncology and Hemato-Oncology, University of Milan, 20122 Milan, Italy
- Correspondence:
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Liu Y, Choi CKK, Hong H, Xiao Y, Kwok ML, Liu H, Tian XY, Choi CHJ. Dopamine Receptor-Mediated Binding and Cellular Uptake of Polydopamine-Coated Nanoparticles. ACS NANO 2021; 15:13871-13890. [PMID: 34379407 DOI: 10.1021/acsnano.1c06081] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Polydopamine (PDA)-coated nanoparticles (NPs) are emerging carriers of therapeutic agents for nanomedicine applications due to their biocompatibility and abundant entry to various cell types, yet it remains unknown whether their cellular entry engages cell-surface receptors. As monomeric dopamine (DA) is an endogenous ligand of dopamine receptor and raw ingredient of PDA, we elucidate the interaction between polyethylene glycol-stabilized, PDA-coated gold NPs (Au@PDA@PEG NPs) and dopamine receptors, particularly D2 (D2DR). After proving the binding of Au@PDA@PEG NPs to recombinant and cellular D2DR, we employ antibody blocking, gene knockdown, and gene overexpression to establish the role of D2DR in the cellular uptake of Au@PDA@PEG NPs in vitro. By preparing a series of PEG-coated AuNPs that contain different structural analogues of DA (Au@PEG-X NPs), we demonstrate that catechol and amine groups collectively enhance the binding of NPs to D2DR and their cellular uptake. By intravenously injecting Au@PDA@PEG NPs to Balb/c mice, we reveal their in vivo binding to D2DR in the liver by competitive inhibition and immunohistochemistry together with their preferential association to D2DR-rich resident Kupffer cells by flow cytometry, a result consistent with the profuse expression of D2DR by resident Kupffer cells. Catechol and amine groups jointly contribute to the preferential association of NPs to D2DR-rich Kupffer cells. Our data highlight the importance of D2DR expression and DA-related functional groups in mediating the cell-nano interactions of PDA-based nanomedicines.
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Vogelsang TLR, Vattai A, Schmoeckel E, Kaltofen T, Chelariu-Raicu A, Zheng M, Mahner S, Mayr D, Jeschke U, Trillsch F. Trace Amine-Associated Receptor 1 (TAAR1) Is a Positive Prognosticator for Epithelial Ovarian Cancer. Int J Mol Sci 2021; 22:ijms22168479. [PMID: 34445181 PMCID: PMC8395182 DOI: 10.3390/ijms22168479] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 07/29/2021] [Accepted: 08/03/2021] [Indexed: 12/16/2022] Open
Abstract
Trace amine-associated receptor 1 (TAAR1) is a Gαs- protein coupled receptor that plays an important role in the regulation of the immune system and neurotransmission in the CNS. In ovarian cancer cell lines, stimulation of TAAR1 via 3-iodothyronamine (T1AM) reduces cell viability and induces cell death and DNA damage. Aim of this study was to evaluate the prognostic value of TAAR1 on overall survival of ovarian carcinoma patients and the correlation of TAAR1 expression with clinical parameters. Ovarian cancer tissue of n = 156 patients who were diagnosed with epithelial ovarian cancer (serous, n = 110 (high-grade, n = 80; low-grade, n = 24; unknown, n = 6); clear cell, n = 12; endometrioid, n = 21; mucinous, n = 13), and who underwent surgery at the Department of Obstetrics and Gynecology, University Hospital of the Ludwig-Maximilians University Munich, Germany between 1990 and 2002, were analyzed. The tissue was stained immunohistochemically with anti-TAAR1 and evaluated with the semiquantitative immunoreactive score (IRS). TAAR1 expression was correlated with grading, FIGO and TNM-classification, and analyzed via the Spearman’s rank correlation coefficient. Further statistical analysis was obtained using nonparametric Kruskal-Wallis rank-sum test and Mann-Whitney-U-test. This study shows that high TAAR1 expression is a positive prognosticator for overall survival in ovarian cancer patients and is significantly enhanced in low-grade serous carcinomas compared to high-grade serous carcinomas. The influence of TAAR1 as a positive prognosticator on overall survival indicates a potential prognostic relevance of signal transduction of thyroid hormone derivatives in epithelial ovarian cancer. Further studies are required to evaluate TAAR1 and its role in the development of ovarian cancer.
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Affiliation(s)
- Tilman L. R. Vogelsang
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, 80337 Munich, Germany; (T.L.R.V.); (A.V.); (T.K.); (A.C.-R.); (M.Z.); (S.M.); (F.T.)
| | - Aurelia Vattai
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, 80337 Munich, Germany; (T.L.R.V.); (A.V.); (T.K.); (A.C.-R.); (M.Z.); (S.M.); (F.T.)
| | - Elisa Schmoeckel
- Faculty of Medicine, Institute of Pathology, LMU Munich, 80337 Munich, Germany; (E.S.); (D.M.)
| | - Till Kaltofen
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, 80337 Munich, Germany; (T.L.R.V.); (A.V.); (T.K.); (A.C.-R.); (M.Z.); (S.M.); (F.T.)
| | - Anca Chelariu-Raicu
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, 80337 Munich, Germany; (T.L.R.V.); (A.V.); (T.K.); (A.C.-R.); (M.Z.); (S.M.); (F.T.)
| | - Mingjun Zheng
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, 80337 Munich, Germany; (T.L.R.V.); (A.V.); (T.K.); (A.C.-R.); (M.Z.); (S.M.); (F.T.)
| | - Sven Mahner
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, 80337 Munich, Germany; (T.L.R.V.); (A.V.); (T.K.); (A.C.-R.); (M.Z.); (S.M.); (F.T.)
| | - Doris Mayr
- Faculty of Medicine, Institute of Pathology, LMU Munich, 80337 Munich, Germany; (E.S.); (D.M.)
| | - Udo Jeschke
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, 80337 Munich, Germany; (T.L.R.V.); (A.V.); (T.K.); (A.C.-R.); (M.Z.); (S.M.); (F.T.)
- Department of Obstetrics and Gynecology, University Hospital Augsburg, 86156 Augsburg, Germany
- Correspondence: ; Tel.: +49-89-4400-74775
| | - Fabian Trillsch
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, 80337 Munich, Germany; (T.L.R.V.); (A.V.); (T.K.); (A.C.-R.); (M.Z.); (S.M.); (F.T.)
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Chen G, Qiu L, Gao J, Wang J, Dang J, Li L, Jin Z, Liu X. Stress Hormones: Emerging Targets in Gynecological Cancers. Front Cell Dev Biol 2021; 9:699487. [PMID: 34307378 PMCID: PMC8299464 DOI: 10.3389/fcell.2021.699487] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Accepted: 06/09/2021] [Indexed: 01/06/2023] Open
Abstract
In the past decade, several discoveries have documented the existence of innervation in ovarian cancer and cervical cancer. Notably, various neurotransmitters released by the activation of the sympathetic nervous system can promote the proliferation and metastasis of tumor cells and regulate immune cells in the tumor microenvironment. Therefore, a better understanding of the mechanisms involving neurotransmitters in the occurrence and development of gynecological cancers will be beneficial for exploring the feasibility of using inexpensive β-blockers and dopamine agonists in the clinical treatment of gynecological cancers. Additionally, this article provides some new insights into targeting tumor innervation and neurotransmitters in the tumor microenvironment.
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Affiliation(s)
- Guoqiang Chen
- Department of Obstetrics and Gynecology, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Lei Qiu
- School of Pharmacy, Naval Medical University, Shanghai, China
| | - Jinghai Gao
- Department of Obstetrics and Gynecology, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Jing Wang
- Department of Obstetrics and Gynecology, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Jianhong Dang
- Department of Obstetrics and Gynecology, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Lingling Li
- Department of Obstetrics and Gynecology, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Zhijun Jin
- Department of Obstetrics and Gynecology, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Xiaojun Liu
- Department of Obstetrics and Gynecology, Changzheng Hospital, Naval Medical University, Shanghai, China
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The Potential Effect of Rhizoma coptidis on Polycystic Ovary Syndrome Based on Network Pharmacology and Molecular Docking. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2021:5577610. [PMID: 34306142 PMCID: PMC8282388 DOI: 10.1155/2021/5577610] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Accepted: 06/27/2021] [Indexed: 12/17/2022]
Abstract
Background Rhizoma coptidis (RC) showed a significant effect on PCOS, but its mechanism in PCOS remains unclear. Methods The components of RC were searched by TCMSP. The Smiles number of the active ingredients was queried through PubChem, and the predicted targets were obtained from the SwissTargetPrediction database. The DrugBank, GeneCards, and DisGeNET databases were retrieved to acquire the related targets of PCOS. Then, the network of compound-target was constructed. The core targets were analyzed using protein-protein interaction (PPI) analysis, and the binding activities were verified by molecular docking. The enriched pathways of key targets were examined by GO and KEGG. Results 13 components and 250 targets of RC on PCOS were screened. The core network was filtered based on topological parameters, and the key components were palmatine, berberine, berberrubine, quercetin, and epiberberine. The key targets included DRD2, SLC6A4, CDK2, DPP4, ESR1, AKT2, PGR, and AKT1. Molecular docking displayed that the active ingredients of RC had good binding activities with potential targets of PCOS. After enrichment analysis, 30 functional pathways were obtained, including neuroactive ligand-receptor interaction, dopaminergic synapse, and cAMP signaling pathway. Conclusion In summary, this study clarified the potential effect of RC on PCOS, which is helpful to provide references for clinical practice. It is also conducive to the secondary development of RC and its monomer components.
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Pellicer N, Galliano D, Herraiz S, Bagger YZ, Arce JC, Pellicer A. Use of dopamine agonists to target angiogenesis in women with endometriosis. Hum Reprod 2021; 36:850-858. [PMID: 33355352 DOI: 10.1093/humrep/deaa337] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 09/10/2020] [Indexed: 12/20/2022] Open
Abstract
Endometriosis requires medical management during a woman's reproductive years. Most treatments aim to create a hypoestrogenic milieu, but for patients wishing to conceive, drugs that allow normal ovarian function are needed. Targeting angiogenesis, a hallmark of the disease, using dopamine agonists (DAs) is a promising strategy for endometriosis treatment. Herein, we review experimental and clinical data that investigate this concept. In experimental models of endometriosis, DAs (bromocriptine, cabergoline, quinagolide) downregulate proangiogenic and upregulate antiangiogenic pathways in inflammatory, endothelial and endometrial cells, blocking cellular proliferation and reducing lesion size. Impaired secretion of vascular endothelial growth factor (VEGF) and inactivation of its receptor type-2 are key events. VEGF inhibition also reduces nerve fiber density in lesions. In humans, quinagolide shows similar effects on lesions, and DAs reduce pain and endometrioma size. Moreover, a 20-fold downregulation of Serpin-1, the gene that encodes for plasminogen activator inhibitor 1 (PAI-1), has been observed after DAs treatment. Pentoxifylline, a PAI-1, increases pregnancy rates in women with endometriosis. Thus, the data support the use of DAs in the medical management of endometriosis to reduce lesion size and pain while maintaining ovulation. A combined approach of DAs and pentoxifylline is perhaps a smart way of targeting the disease from a completely different angle than current medical treatments.
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Affiliation(s)
- Nuria Pellicer
- Women's Health Area, La Fe University Hospital, 46026 Valencia, Spain.,IVI Foundation, 46026 Valencia, Spain.,Reproductive Medicine Research Group; Biomedical Research Institute la Fe, 46026 Valencia, Spain
| | - Daniela Galliano
- IVI Foundation, 46026 Valencia, Spain.,IVI-RMA Rome, 00197 Rome, Italy
| | - Sonia Herraiz
- IVI Foundation, 46026 Valencia, Spain.,Reproductive Medicine Research Group; Biomedical Research Institute la Fe, 46026 Valencia, Spain
| | - Yu Z Bagger
- Ferring Pharmaceuticals, 2300 Copenhagen, Denmark
| | | | - Antonio Pellicer
- IVI Foundation, 46026 Valencia, Spain.,Reproductive Medicine Research Group; Biomedical Research Institute la Fe, 46026 Valencia, Spain.,IVI-RMA Rome, 00197 Rome, Italy
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Lu K, Bhat M, Peters S, Mitra R, Mo X, Oberyszyn TM, Dasgupta PS, Basu S. Dopamine Prevents Ultraviolet B-induced Development and Progression of Premalignant Cutaneous Lesions through its D 2 Receptors. Cancer Prev Res (Phila) 2021; 14:687-696. [PMID: 33846213 DOI: 10.1158/1940-6207.capr-21-0052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 03/16/2021] [Accepted: 04/06/2021] [Indexed: 01/11/2023]
Abstract
Although the role of dopamine (DA) in malignant tumors has been reported, its function in premalignant lesions is unknown. Herein we report that the stimulation of DA D2 receptors in endothelial cells in ultraviolet B (UVB)-induced cutaneous lesions in mice significantly reduced the tumor number, tumor burden, and malignant squamous cell carcinoma in these animals. DA D2 receptor agonist inhibited VEGFA-dependent proangiogenic genes in vitro and in vivo. However, the mice pretreated with selective DA D2 receptor antagonist inhibited the actions of the agonist, thereby suggesting that the action of DA was through its D2 receptors in the endothelial cells. To our knowledge, this study is the first to report DA-mediated regulation of pathogenesis and progression of UVB-induced premalignant skin lesions. PREVENTION RELEVANCE: This investigation demonstrates the role of dopamine and its D2 receptors in UVB induced premalignant squamous cell skin lesions and how DA through its D2 receptors inhibits the development and progression of these lesions and subsequently prevents squamous cell carcinoma of the skin.
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Affiliation(s)
- Kai Lu
- Department of Pathology, Ohio State University, Columbus, Ohio
| | - Madhavi Bhat
- Department of Pathology, Ohio State University, Columbus, Ohio
| | - Sara Peters
- Department of Pathology, Ohio State University, Columbus, Ohio
| | - Rita Mitra
- Department of Pathology, KPC Medical College, Kolkata, India
| | - Xiaokui Mo
- Department of SBS-Biomedical Informatics, Ohio State University, Columbus, Ohio
| | | | | | - Sujit Basu
- Department of Pathology, Ohio State University, Columbus, Ohio. .,Division of Medical Oncology, Department of Internal Medicine, Ohio State University, Columbus, Ohio
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Feng Y, Lu Y. Immunomodulatory Effects of Dopamine in Inflammatory Diseases. Front Immunol 2021; 12:663102. [PMID: 33897712 PMCID: PMC8063048 DOI: 10.3389/fimmu.2021.663102] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Accepted: 03/12/2021] [Indexed: 12/17/2022] Open
Abstract
Dopamine (DA) receptor, a significant G protein-coupled receptor, is classified into two families: D1-like (D1 and D5) and D2-like (D2, D3, and D4) receptor families, with further formation of homodimers, heteromers, and receptor mosaic. Increasing evidence suggests that the immune system can be affected by the nervous system and neurotransmitters, such as dopamine. Recently, the role of the DA receptor in inflammation has been widely studied, mainly focusing on NLRP3 inflammasome, NF-κB pathway, and immune cells. This article provides a brief review of the structures, functions, and signaling pathways of DA receptors and their relationships with inflammation. With detailed descriptions of their roles in Parkinson disease, inflammatory bowel disease, rheumatoid arthritis, systemic lupus erythematosus, and multiple sclerosis, this article provides a theoretical basis for drug development targeting DA receptors in inflammatory diseases.
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Affiliation(s)
- Yifei Feng
- Department of Dermatology, The First Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - Yan Lu
- Department of Dermatology, The First Affiliated Hospital, Nanjing Medical University, Nanjing, China
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Chesler K, Motz C, Vo H, Douglass A, Allen RS, Feola AJ, Pardue MT. Initiation of L-DOPA Treatment After Detection of Diabetes-Induced Retinal Dysfunction Reverses Retinopathy and Provides Neuroprotection in Rats. Transl Vis Sci Technol 2021; 10:8. [PMID: 34003986 PMCID: PMC8054623 DOI: 10.1167/tvst.10.4.8] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Purpose L-DOPA treatment initiated at the start of hyperglycemia preserves retinal and visual function in diabetic rats. Here, we investigated a more clinically relevant treatment strategy in which retinal and visual dysfunction designated the beginning of the therapeutic window for L-DOPA treatment. Methods Spatial frequency thresholds using optomotor response and oscillatory potential (OP) delays using electroretinograms were compared at baseline, 3, 6, and 10 weeks after streptozotocin (STZ) between diabetic and control rats. L-DOPA/carbidopa treatment (DOPA) or vehicle was delivered orally 5 days per week beginning at 3 weeks after STZ, when significant retinal and visual deficits were measured. At 10 weeks after STZ, retinas were collected to measure L-DOPA, dopamine, and 3,4-dihydroxyphenylacetic acid (DOPAC) levels using high-performance liquid chromatography. Results Spatial frequency thresholds decreased at 6 weeks in diabetic vehicle rats (28%), whereas diabetic DOPA rats had stable thresholds (<1%) that maintained to 10 weeks, creating significantly higher thresholds compared with diabetic vehicle rats (P < 0.0001). OP2 implicit times in response to dim, rod-driven stimuli were decreased in diabetic compared with control rats (3 weeks, P < 0.0001; 10 weeks, P < 0.01). With L-DOPA treatment, OP2 implicit times recovered in diabetic rats to be indistinguishable from control rats by 10 weeks after STZ. Rats treated with L-DOPA showed significantly increased retinal L-DOPA (P < 0.001) and dopamine levels (P < 0.05). Conclusions L-DOPA treatment started after the detection of retinal and visual dysfunction showed protective effects in diabetic rats. Translational Relevance Early retinal functional deficits induced by diabetes can be used to identify an earlier therapeutic window for L-DOPA treatment which protects from further vision loss and restores retinal function.
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Affiliation(s)
- Kyle Chesler
- Atlanta VA Healthcare System, Atlanta, GA, USA.,Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA
| | - Cara Motz
- Atlanta VA Healthcare System, Atlanta, GA, USA.,Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA
| | - Harrison Vo
- Atlanta VA Healthcare System, Atlanta, GA, USA
| | | | - Rachael S Allen
- Atlanta VA Healthcare System, Atlanta, GA, USA.,Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA
| | - Andrew J Feola
- Atlanta VA Healthcare System, Atlanta, GA, USA.,Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA
| | - Machelle T Pardue
- Atlanta VA Healthcare System, Atlanta, GA, USA.,Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA
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Cabej NR. A mechanism of inheritance of acquired traits in animals. Dev Biol 2021; 475:106-117. [PMID: 33741349 DOI: 10.1016/j.ydbio.2021.03.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2020] [Revised: 03/09/2021] [Accepted: 03/10/2021] [Indexed: 01/11/2023]
Abstract
Observational and experimental evidence for the inheritance of acquired traits in animals is slowly, but steadily accumulating. The onset and transmission of acquired traits implies the acquisition and transmission from parents to progeny of new information, which is different from the genetic information contained in DNA. The new non-genetic information most commonly is passed on from parents to the offspring via gamete(s), but how it is precisely transmitted to the successive generations is still unknown. Based on adequate empirical evidence presented herein, a hypothesis is proposed of the inheritance of acquired traits in animals and the flow of the relevant parental information to the offspring.
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Affiliation(s)
- Nelson R Cabej
- University of Tirana Faculty of Medicine, Universiteti i Mjekesise Tirane, Department of Biology, 147 Manhattan Terrace, Dumont, 07628, USA.
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