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Liang S, He Z, Liang Z, Wang K, Du B, Guo R, Li P. Prunus persica (L.) Batsch blossom soluble dietary fiber synergia polyphenol improving loperamide-induced constipation in mice via regulating stem cell factor/C-kit, NF-κB signaling pathway and gut microbiota. Food Res Int 2024; 192:114761. [PMID: 39147543 DOI: 10.1016/j.foodres.2024.114761] [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: 04/08/2024] [Revised: 06/11/2024] [Accepted: 07/10/2024] [Indexed: 08/17/2024]
Abstract
This study aimed to investigate the ameliorating effects of peach blossom soluble dietary fiber (PBSDF) and polyphenol (PBP) combinations on loperamide (Lop)-induced constipation in mice, together with the possible mechanism of action. The results demonstrated that the combined use of PBSDF and PBP could synergistically accelerate the gastrointestinal transit rate and gastric emptying rate, shorten first red fecal defecation time, accelerate the frequency of defecation, regulate the abnormal secretion of gastrointestinal neurotransmitters and pro-inflammatory cytokines, and down-regulate the expressions of AQP3 and AQP8. Western blotting and RT-qPCR analysis confirmed that PBSDF + PBP up-regulated the protein and mRNA expressions of SCF and C-kit in SCF/C-kit signaling pathway, and down-regulated pro-inflammatory mediator expressions in NF-κB signaling pathway. 16S rRNA sequencing showed that the diversity of gut microbiota and the relative abundance of specific strains, including Akkermansia, Bacteroides, Ruminococcus, Lachnospiraceae_NK4A136_group, and Turicibacter, rehabilitated after PBSDF + PBP intervention. These findings suggested that the combination of a certain dose of PBSDF and PBP had a synergistic effect on attenuating Lop-induced constipation, and the synergistic mechanism in improving constipation might associated with the regulating NF-κB and SCF/C-kit signaling pathway, and modulating the specific gut strains on constipation-related systemic types. The present study provided a novel strategy via dietary fiber and polyphenol interactions for the treatment of constipation.
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Affiliation(s)
- Shan Liang
- College of Food Science, South China Agricultural University, Guangzhou 510642, China
| | - Zhipeng He
- College of Food Science, South China Agricultural University, Guangzhou 510642, China
| | - Ziping Liang
- College of Food Science, South China Agricultural University, Guangzhou 510642, China
| | - Kun Wang
- College of Food Science, South China Agricultural University, Guangzhou 510642, China
| | - Bing Du
- College of Food Science, South China Agricultural University, Guangzhou 510642, China
| | - Rongxiang Guo
- College of Food Science, South China Agricultural University, Guangzhou 510642, China
| | - Pan Li
- College of Food Science, South China Agricultural University, Guangzhou 510642, China.
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2
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Brockway DF, Crowley NA. Emerging pharmacological targets for alcohol use disorder. Alcohol 2024; 121:103-114. [PMID: 39069210 DOI: 10.1016/j.alcohol.2024.07.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Revised: 06/27/2024] [Accepted: 07/24/2024] [Indexed: 07/30/2024]
Abstract
Alcohol Use Disorder (AUD) remains a challenging condition with limited effective treatment options; however new technology in drug delivery and advancements in pharmacology have paved the way for discovery of novel therapeutic targets. This review explores emerging pharmacological targets that offer new options for the management of AUD, focusing on the potential of somatostatin (SST), vasoactive intestinal peptide (VIP), glucagon-like peptide-1 (GLP-1), nociceptin (NOP), and neuropeptide S (NPS). These targets have been selected based on recent advancements in preclinical and clinical research, which suggest their significant roles in modulating alcohol consumption and related behaviors. SST dampens cortical circuits, and targeting both the SST neurons and the SST peptide itself presents promise for treating AUD and various related comorbidities. VIP neurons are modulated by alcohol and targeting the VIP system presents an unexplored avenue for addressing alcohol exposure at various stages of development. GLP-1 interacts with the dopaminergic reward system and reduces alcohol intake. Nociceptin modulates mesolimbic circuitry and agonism and antagonism of nociceptin receptor offers a complex but promising approach to reducing alcohol consumption. NPS stands out for its anxiolytic-like effects, particularly relevant for the anxiety associated with AUD. This review aims to synthesize the current understanding of these targets, highlighting their potential in developing more effective and personalized AUD therapies, and underscores the importance of continued research in identifying and validating novel targets for treatment of AUD and comorbid conditions.
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Affiliation(s)
- Dakota F Brockway
- Department of Biology, The Pennsylvania State University, University Park, PA, 16802, USA; Penn State Neuroscience Institute, Penn State University, University Park, PA, 16802, USA.
| | - Nicole A Crowley
- Department of Biology, The Pennsylvania State University, University Park, PA, 16802, USA; Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA, 16802, USA; Penn State Neuroscience Institute, Penn State University, University Park, PA, 16802, USA.
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Thakur M, Tomar VS, Dale E, Gomella LG, Solomides C, Kolesnikov O, Keith SW, Navarro HT, Dahlgren O, Chaga M, Trabulsi EJ. Targeting genomic receptors in voided urine for confirmation of benign prostatic hyperplasia. BJUI COMPASS 2024; 5:675-680. [PMID: 39022663 PMCID: PMC11250152 DOI: 10.1002/bco2.362] [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: 12/14/2023] [Revised: 02/27/2024] [Accepted: 03/18/2024] [Indexed: 07/20/2024] Open
Abstract
Objectives The objective of this study is to validate a hypothesis that a non-invasive optical imaging assay targeting genomic VPAC receptors on malignant cells shed in voided urine will represent either benign prostatic hyperplasia (BPH) or prostatic cancer (PCa). Risk for BPH in men 50-70 years old is 50-70% and PCa is 17%. BPH and PCa can coexist in 20% of men with BPH. Most commonly practiced methods to diagnose BPH do not distinguish BPH from PCa. Patients or Materials and Methods Males with BPH (N = 97, 60.8 ± 6.3 years, prostate-specific antigen 0.7 ± 0.4 ng/mL) and without oncologic disease (N = 35, 63.4 ± 5.8 years, prostate-specific antigen < 1.5 ng/mL) signed informed consent form and provided voided urine. Urine was cytocentrifuged, cells collected on glass slide, fixed, treated with VPAC specific fluorophore TP4303 (Kd 3.1 × 10-8M), washed, incubated with DAPI and observed using a fluorescence microscope. Cells with no VPAC did not fluoresce (BPH) and those with VPAC had red-orange fluorescence (PCa). Real-time polymerase chain reaction analyses for VPAC and NKX3.1 assay for cell origin were performed. Results Eighty-seven subjects were negative for VPAC expression. Positive VPAC expression was noted in 10 subjects. Patient chart review for clinical data on these 10 VPAC positive subjects showed five had nephrolithiasis, three had renal cysts, one had prostatitis and one was being treated with finasteride. Real-time polymerase chain reaction analysis-VPAC expressions for 7 normal and 12 BPH subjects were 1.31 ± 1.26 and 0.94 ± 0.89, respectively (P = 0.46). NKX3.1 showed cells of prostate origin for finasteride-treated patient. Specificity for VPAC urine assay for excluding prostate cancer in this BPH cohort was 88.5%, positive predictive value 0.00% and negative predictive value 100%. Conclusion VPAC assay may contribute extensively for BPH diagnosis and warrant continued investigation.
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Affiliation(s)
- Mathew Thakur
- Department of Radiology, Urology, Radiation Oncology and S. Kimmel Cancer CenterThomas Jefferson UniversityPhiladelphiaPennsylvaniaUSA
| | - Vivek S. Tomar
- Department of RadiologyThomas Jefferson UniversityPhiladelphiaPennsylvaniaUSA
| | - Emma Dale
- Department of RadiologyThomas Jefferson UniversityPhiladelphiaPennsylvaniaUSA
| | - Leonard G. Gomella
- Department of Urology and S. Kimmel Cancer CenterThomas Jefferson UniversityPhiladelphiaPennsylvaniaUSA
| | - Charalambos Solomides
- Department of Pathology and Genomic MedicineThomas Jefferson UniversityPhiladelphiaPennsylvaniaUSA
| | - Oleksandr Kolesnikov
- Department of Urology and S. Kimmel Cancer CenterThomas Jefferson UniversityPhiladelphiaPennsylvaniaUSA
| | - Scott W. Keith
- Division of Biostatistics and S. Kimmel Cancer CenterThomas Jefferson UniversityPhiladelphiaPennsylvaniaUSA
| | - Hector T. Navarro
- Department of RadiologyThomas Jefferson UniversityPhiladelphiaPennsylvaniaUSA
| | - Olivia Dahlgren
- Department of UrologyThomas Jefferson UniversityPhiladelphiaPennsylvaniaUSA
| | - Michael Chaga
- Department of RadiologyThomas Jefferson UniversityPhiladelphiaPennsylvaniaUSA
| | - Edouard J. Trabulsi
- Department of UrologyJefferson Einstein Medical Center and Thomas Jefferson UniversityPhiladelphiaPennsylvaniaUSA
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Ma C, Wang F, Zhu J, Wang S, Liu Y, Xu J, Zhao Q, Qin Y, Si W, Zhang J. 18Beta-Glycyrrhetinic Acid Attenuates H 2O 2-Induced Oxidative Damage and Apoptosis in Intestinal Epithelial Cells via Activating the PI3K/Akt Signaling Pathway. Antioxidants (Basel) 2024; 13:468. [PMID: 38671916 PMCID: PMC11047483 DOI: 10.3390/antiox13040468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Accepted: 04/06/2024] [Indexed: 04/28/2024] Open
Abstract
Oxidative stress causes gut dysfunction and is a contributing factor in several intestinal disorders. Intestinal epithelial cell survival is essential for maintaining human and animal health under oxidative stress. 18beta-Glycyrrhetinic acid (GA) is known to have multiple beneficial effects, including antioxidant activity; however, the underlying molecular mechanisms have not been well established. Thus, the present study evaluated the therapeutic effects of GA on H2O2-induced oxidative stress in intestinal porcine epithelial cells. The results showed that pretreatment with GA (100 nM for 16 h) significantly increased the levels of several antioxidant enzymes and reduced corresponding intracellular levels of reactive oxidative species and malondialdehyde. GA inhibited cell apoptosis via activating the phosphoinositide 3-kinase/protein kinase B (PI3K/Akt) signaling pathway, as confirmed by RNA sequencing. Further analyses demonstrated that GA upregulated the phosphorylation levels of PI3K and Akt and the protein level of B cell lymphoma 2, whereas it downregulated Cytochrome c and tumor suppressor protein p53 levels. Moreover, molecular docking analysis predicted the binding of GA to Vasoactive intestinal peptide receptor 1, a primary membrane receptor, to activate the PI3K/Akt signaling pathway. Collectively, these results revealed that GA protected against H2O2-induced oxidative damage and cell apoptosis via activating the PI3K/Akt signaling pathway, suggesting the potential therapeutic use of GA to alleviate oxidative stress in humans/animals.
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Affiliation(s)
- Cui Ma
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Sciences of Chinese Academy of Agricultural Sciences, Beijing 100193, China; (C.M.); (Q.Z.)
| | - Fuxi Wang
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Sciences of Chinese Academy of Agricultural Sciences, Beijing 100193, China; (C.M.); (Q.Z.)
- College of Animal Science and Technology, Shanxi Agricultural University, Jinzhong 030801, China
| | - Jiawei Zhu
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Sciences of Chinese Academy of Agricultural Sciences, Beijing 100193, China; (C.M.); (Q.Z.)
| | - Shiyi Wang
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Sciences of Chinese Academy of Agricultural Sciences, Beijing 100193, China; (C.M.); (Q.Z.)
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao 266109, China
| | - Yaqing Liu
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Sciences of Chinese Academy of Agricultural Sciences, Beijing 100193, China; (C.M.); (Q.Z.)
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao 266109, China
| | - Jianfang Xu
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Sciences of Chinese Academy of Agricultural Sciences, Beijing 100193, China; (C.M.); (Q.Z.)
| | - Qingyu Zhao
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Sciences of Chinese Academy of Agricultural Sciences, Beijing 100193, China; (C.M.); (Q.Z.)
| | - Yuchang Qin
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Sciences of Chinese Academy of Agricultural Sciences, Beijing 100193, China; (C.M.); (Q.Z.)
| | - Wei Si
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Sciences of Chinese Academy of Agricultural Sciences, Beijing 100193, China; (C.M.); (Q.Z.)
| | - Junmin Zhang
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Sciences of Chinese Academy of Agricultural Sciences, Beijing 100193, China; (C.M.); (Q.Z.)
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Pellesi L, Ashina M, Martelletti P. Targeting the PACAP-38 pathway is an emerging therapeutic strategy for migraine prevention. Expert Opin Emerg Drugs 2024; 29:57-64. [PMID: 38337150 DOI: 10.1080/14728214.2024.2317778] [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: 01/13/2024] [Accepted: 02/08/2024] [Indexed: 02/12/2024]
Abstract
INTRODUCTION The pituitary adenylate cyclase-activating polypeptide-38 (PACAP-38) has emerged as a key mediator of migraine pathogenesis. PACAP-38 and its receptors are predominantly distributed in arteries, sensory and parasympathetic neurons of the trigeminovascular system. Phase 2 trials have tested human monoclonal antibodies designed to bind and inhibit PACAP-38 and the pituitary adenylate cyclase-activating polypeptide type I (PAC1) receptor for migraine prevention. AREAS COVERED This review focuses on the significance of the PACAP-38 pathway as a target in migraine prevention. English peer-reviewed articles were searched in PubMed, Scopus and ClinicalTrials.gov electronic databases. EXPERT OPINION A PAC1 receptor monoclonal antibody was not effective for preventing migraine in a proof-of-concept trial, paving the way for alternative strategies to be considered. Lu AG09222 is a humanized monoclonal antibody targeting PACAP-38 that was effective in preventing physiological responses of PACAP38 and reducing monthly migraine days in individuals with migraine. Further studies are necessary to elucidate the clinical utility, long-term safety and cost-effectiveness of therapies targeting the PACAP pathway.
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Affiliation(s)
- Lanfranco Pellesi
- Clinical Pharmacology, Pharmacy and Environmental Medicine, Department of Public Health, University of Southern Denmark, Odense, Denmark
| | - Messoud Ashina
- Danish Headache Center, Department of Neurology, Rigshospitalet Glostrup, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Paolo Martelletti
- School of Health Sciences, Unitelma Sapienza University of Rome, Rome, Italy
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6
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Withana M, Castorina A. Potential Crosstalk between the PACAP/VIP Neuropeptide System and Endoplasmic Reticulum Stress-Relevance to Multiple Sclerosis Pathophysiology. Cells 2023; 12:2633. [PMID: 37998368 PMCID: PMC10670126 DOI: 10.3390/cells12222633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 11/12/2023] [Accepted: 11/14/2023] [Indexed: 11/25/2023] Open
Abstract
Multiple sclerosis (MS) is an immune-mediated disorder characterized by focal demyelination and chronic inflammation of the central nervous system (CNS). Although the exact etiology is unclear, mounting evidence indicates that endoplasmic reticulum (ER) stress represents a key event in disease pathogenesis. Pituitary adenylate cyclase-activating peptide (PACAP) and vasoactive intestinal peptide (VIP) are two structurally related neuropeptides that are abundant in the CNS and are known to exert neuroprotective and immune modulatory roles. Activation of this endogenous neuropeptide system may interfere with ER stress processes to promote glial cell survival and myelin self-repair. However, the potential crosstalk between the PACAP/VIP system and ER stress remains elusive. In this review, we aim to discuss how these peptides ameliorate ER stress in the CNS, with a focus on MS pathology. Our goal is to emphasize the importance of this potential interaction to aid in the identification of novel therapeutic targets for the treatment of MS and other demyelinating disorders.
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Affiliation(s)
| | - Alessandro Castorina
- Laboratory of Cellular and Molecular Neuroscience (LCMN), School of Life Sciences, Faculty of Science, University of Technology Sydney, Sydney, NSW 2007, Australia;
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Witzel R, Block A, Pollmann S, Oetzel L, Fleck F, Bonaterra GA, Kinscherf R, Schwarz A. PACAP regulates VPAC1 expression, inflammatory processes and lipid homeostasis in M1- and M2-macrophages. Front Cardiovasc Med 2023; 10:1264901. [PMID: 37900572 PMCID: PMC10611464 DOI: 10.3389/fcvm.2023.1264901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Accepted: 09/12/2023] [Indexed: 10/31/2023] Open
Abstract
Background Pituitary adenylate cyclase-activating polypeptide (PACAP) acts as an anti-atherogenic neuropeptide and plays an important role in cytoprotective, as well as inflammatory processes, and cardiovascular regulation. Therefore, the aim of this study is to investigate the regulatory effects of PACAP and its receptor VPAC1 in relation to inflammatory processes and lipid homeostasis in different macrophage (MΦ) subtypes. Methods To investigate the role of PACAP deficiency in the pathogenesis of atherosclerosis under standard chow (SC) or cholesterol-enriched diet (CED) in vivo, PACAP-/- mice were crossbred with ApoE-/- to generate PACAP-/-/ApoE-/- mice. Lumen stenosis in the aortic arch and different MΦ-subtypes were analyzed in atherosclerotic plaques by quantitative immunohistochemistry. Undifferentiated bone marrow-derived cells (BMDC) from 30-weeks-old ApoE-/- and PACAP-/-/ApoE-/- mice were isolated, differentiated into BMDM1- and BMDM2-MΦ, and incubated with oxidized low-density lipoprotein (oxLDL). In addition, PMA-differentiated human THP-1 MΦ were further differentiated into M1-/M2-MΦ and subsequently treated with PACAP38, the VPAC1 agonist [(Ala11,22,28)VIP], the antagonist (PG 97-269), and/or oxLDL. Uptake/accumulation of oxLDL was analyzed by oxLDL-DyLight™488 and Bodipy™ 493/503. The mRNA expression was analyzed by qRT-PCR, protein levels by Western blot, and cytokine release by ELISA. Results In vivo, after 30 weeks of SC, PACAP-/-/ApoE-/- mice showed increased lumen stenosis compared with ApoE-/- mice. In atherosclerotic plaques of PACAP-/-/ApoE-/- mice under CED, immunoreactive areas of VPAC1, CD86, and CD163 were increased compared with ApoE-/- mice. In vitro, VPAC1 protein levels were increased in PACAP-/-/ApoE-/- BMDM compared with ApoE-/- BMDM, resulting in increased TNF-α mRNA expression in BMDM1-MΦ and decreased TNF-α release in BMDM2-MΦ. Concerning lipid homeostasis, PACAP deficiency decreased the area of lipid droplets in BMDM1-/M2-MΦ with concomitant increasing adipose differentiation-related protein level. In THP-1 M1-/M2-MΦ, the VPAC1 antagonist increased the uptake of oxLDL, whereas the VPAC1 agonist decreased the oxLDL-induced intracellular triglyceride content. Conclusion Our data suggest that PACAP via VPAC1 signaling plays an important regulatory role in inflammatory processes in atherosclerotic plaques and in lipid homeostasis in different MΦ-subtypes, thereby affecting foam cell formation. Therefore, VPAC1 agonists or PACAP may represent a new class of anti-atherogenic therapeutics.
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Affiliation(s)
| | | | | | | | | | | | | | - Anja Schwarz
- Department of Medical Cell Biology, Institute of Anatomy and Cell Biology, Philipps-University of Marburg, Marburg, Germany
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Afonso-Oramas D, Santana-Cordón L, Lemus-Mesa A, Teixidó-Trujillo S, Rodríguez-Rodríguez AE, Cruz-Muros I, González-Gómez M, Barroso-Chinea P. Drastic decline in vasoactive intestinal peptide expression in the suprachiasmatic nucleus in obese mice on a long-term high-fat diet. Brain Res Bull 2023; 202:110756. [PMID: 37678442 DOI: 10.1016/j.brainresbull.2023.110756] [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: 07/20/2023] [Revised: 08/27/2023] [Accepted: 09/05/2023] [Indexed: 09/09/2023]
Abstract
The suprachiasmatic nucleus (SCN) is the main region for the regulation of circadian rhythms. Although the SCN contains a heterogeneous neurochemical phenotype with a wide variety of neuropeptides, a key role has been suggested for the vasoactive intestinal neuropeptide (VIP) as a modulator circadian, reproductive, and seasonal rhythms. VIP is a 28-amino acid polypeptide hormone that belongs to the secretin-glucagon peptide superfamily and shares 68 % homology with the pituitary adenylate cyclase-activating polypeptide (PACAP). VIP acts as an endogenous appetite inhibitor in the central nervous system, where it participates in the control of appetite and energy homeostasis. In recent years, significant efforts have been made to better understand the role of VIP in the regulation of appetite/satiety and energy balance. This study aimed to elucidate the long-term effect of an obesogenic diet on the distribution and expression pattern of VIP in the SCN and nucleus accumbens (NAc) of C57BL/6 mice. A total of 15 female C57BL/6J mice were used in this study. Female mice were fed ad libitum with water and, either a standard diet (SD) or a high-fat diet (HFD) to induce obesity. There were 7 female mice on the SD and 8 on the HFD. The duration of the experiment was 365 days. The morphological study was performed using immunohistochemistry and double immunofluorescence techniques to study the neurochemical profile of VIP neurons of the SCN of C57BL/6 mice. Our data show that HFD-fed mice gained weight and showed reduced VIP expression in neurons of the SCN and also in fibres located in the NAc. Moreover, we observed a loss of neuropeptide Y (NPY) expression in fibres surrounding the SCN. Our findings on VIP may contribute to the understanding of the pathophysiological mechanisms underlying obesity in regions associated with uncontrolled intake of high-fat foods and the reward system, thus facilitating the identification of novel therapeutic targets.
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Affiliation(s)
- Domingo Afonso-Oramas
- Departamento de Ciencias Médicas Básicas, Facultad de Medicina, Universidad de La Laguna, Tenerife, Spain; Instituto de Tecnologías Biomédicas de Canarias (ITB), Universidad de La Laguna, Tenerife, Spain; Instituto Universitario de Neurociencias. Universidad de La Laguna, Tenerife, Spain.
| | - Laura Santana-Cordón
- Departamento de Ciencias Médicas Básicas, Facultad de Medicina, Universidad de La Laguna, Tenerife, Spain
| | - Alejandro Lemus-Mesa
- Departamento de Ciencias Médicas Básicas, Facultad de Medicina, Universidad de La Laguna, Tenerife, Spain
| | - Silvia Teixidó-Trujillo
- Departamento de Medicina Interna, Dermatología y Psiquiatría. Facultad de Medicina, Universidad de La Laguna, Tenerife, Spain
| | | | - Ignacio Cruz-Muros
- Departamento de Ciencias Médicas Básicas, Facultad de Medicina, Universidad de La Laguna, Tenerife, Spain; Instituto de Tecnologías Biomédicas de Canarias (ITB), Universidad de La Laguna, Tenerife, Spain
| | - Miriam González-Gómez
- Departamento de Ciencias Médicas Básicas, Facultad de Medicina, Universidad de La Laguna, Tenerife, Spain; Instituto de Tecnologías Biomédicas de Canarias (ITB), Universidad de La Laguna, Tenerife, Spain; Instituto Universitario de Neurociencias. Universidad de La Laguna, Tenerife, Spain
| | - Pedro Barroso-Chinea
- Departamento de Ciencias Médicas Básicas, Facultad de Medicina, Universidad de La Laguna, Tenerife, Spain; Instituto de Tecnologías Biomédicas de Canarias (ITB), Universidad de La Laguna, Tenerife, Spain; Instituto Universitario de Neurociencias. Universidad de La Laguna, Tenerife, Spain.
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Li Y, Li H, Wang L, Xie W, Yuan D, Wen Z, Zhang T, Lai J, Xiong Z, Shan Y, Jiang W. The p65-LOC727924-miR-26a/KPNA3-p65 regulatory loop mediates vasoactive intestinal peptide effects on osteoarthritis chondrocytes. Int Immunopharmacol 2023; 122:110518. [PMID: 37392568 DOI: 10.1016/j.intimp.2023.110518] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 02/10/2023] [Accepted: 06/13/2023] [Indexed: 07/03/2023]
Abstract
Loss and dysfunction of articular chondrocytes, which disrupt the homeostasis of extracellular matrix formation and breakdown, promote the onset of osteoarthritis (OA). Targeting inflammatory pathways is an important therapeutic strategy for OA. Vasoactive intestinal peptide (VIP) is an immunosuppressive neuropeptide with potent anti-inflammatory effects; however, its role and mechanism in OA remain unclear. In this study, microarray expression profiling from the Gene Expression Omnibus database and integrative bioinformatics analyses were performed to identify differentially expressed lncRNAs in OA samples. qRT-PCR validation of the top ten different expressed lncRNAs indicated that the expression level of intergenic non-protein coding RNA 2203 (LINC02203, also named LOC727924) was the highest in OA cartilage compared to normal cartilage. Hence, the LOC727924 function was further investigated. LOC727924 was upregulated in OA chondrocytes, with a dominant sub-localization in the cytoplasm. In OA chondrocytes, LOC727924 knockdown boosted cell viability, suppressed cell apoptosis, reactive oxygen species (ROS) accumulation, increased aggrecan and collagen II, decreased matrix metallopeptidase (MMP)-3/13 and ADAM metallopeptidase with thrombospondin type 1 motif (ADAMTS)-4/5 levels, and reduced the levels of tumor necrosis factor alpha (TNF-α), interleukin 1 beta (IL-1β), and interleukin 6 (IL-6). LOC727924 could interact with the microRNA 26a (miR-26a)/ karyopherin subunit alpha 3 (KPNA3) axis by competitively targeting miR-26a for KPNA3 binding, therefore down-regulating miR-26a and upregulating KPNA3; in OA chondrocytes, miR-26a inhibition partially abolished LOC727924 knockdown effects on chondrocytes. miR-26a inhibited the nuclear translocation of p65 through targeting KPNA3 and p65 transcriptionally activated LOC727924, forming a p65-LOC727924-miR-26a/KPNA3-p65 regulatory loop to modulate OA chondrocyte phenotypes. In vitro, VIP improved OA chondrocyte proliferation and functions, down-regulated LOC727924, KPNA3, and p65 expression, and upregulated miR-26a expression; in vivo, VIP ameliorated destabilization of the medial meniscus (DMM)-induced damages on the mouse knee joint, down-regulated KPNA3, inhibited the nuclear translocation of p65. In conclusion, the p65-LOC727924-miR-26a/KPNA3-p65 regulatory loop modulates OA chondrocyte apoptosis, ROS accumulation, extracellular matrix (ECM) deposition, and inflammatory response in vitro and OA development in vivo, being one of the mechanisms mediating VIP ameliorating OA.
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Affiliation(s)
- Yusheng Li
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China
| | - Hengzhen Li
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China
| | - Lijie Wang
- Department of Bone and Joint, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen 518020, Guangdong, China
| | - Wenqing Xie
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China
| | - Dongliang Yuan
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China; Xiangya School of Medicine, Central South University, Changsha 410083, Hunan, China
| | - Zeqin Wen
- Xiangya School of Medicine, Central South University, Changsha 410083, Hunan, China
| | - Tiancheng Zhang
- Department of Bone and Joint, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen 518020, Guangdong, China
| | - Jieyu Lai
- Xiangya School of Medicine, Central South University, Changsha 410083, Hunan, China
| | - Zixuan Xiong
- Xiangya School of Medicine, Central South University, Changsha 410083, Hunan, China
| | - Yunhan Shan
- Xiangya School of Medicine, Central South University, Changsha 410083, Hunan, China
| | - Wei Jiang
- Department of Bone and Joint, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen 518020, Guangdong, China.
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Yonekura H, Kato I, Yamamoto Y, Ikeda T, Higashida H, Okamoto H. Biosynthesis and Function of VIP and Oxytocin: Mechanisms of C-terminal Amidation, Oxytocin Secretion and Transport. Endocrinology 2023; 164:bqad121. [PMID: 37548257 DOI: 10.1210/endocr/bqad121] [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: 05/08/2023] [Revised: 07/12/2023] [Accepted: 08/05/2023] [Indexed: 08/08/2023]
Abstract
In this review, we provide the status of research on vasoactive intestinal peptide (VIP) and oxytocin, typical C-terminal α-amidated peptide hormones, including their precursor protein structures, processing and C-terminal α-amidation, and the recently identified mechanisms of regulation of oxytocin secretion and its transportation through the blood brain barrier. More than half of neural and endocrine peptides, such as VIP and oxytocin, have the α-amide structure at their C-terminus, which is essential for biological activities. We have studied the synthesis and function of C-terminal α-amidated peptides, including VIP and oxytocin, since the 1980s. Human VIP mRNA encoded not only VIP but also another related C-terminal α-amidated peptide, PHM-27 (peptide having amino-terminal histidine, carboxy-terminal methionine amide, and 27 amino acid residues). The human VIP/PHM-27 gene is composed of 7 exons and regulated synergistically by cyclic AMP and protein kinase C pathways. VIP has an essential role in glycemic control using transgenic mouse technology. The peptide C-terminal α-amidation proceeded through a 2-step mechanism catalyzed by 2 different enzymes encoded in a single mRNA. In the oxytocin secretion from the hypothalamus/the posterior pituitary, the CD38-cyclic ADP-ribose signal system, which was first established in the insulin secretion from pancreatic β cells of the islets of Langerhans, was found to be essential. A possible mechanism involving RAGE (receptor for advanced glycation end-products) of the oxytocin transportation from the blood stream into the brain through the blood-brain barrier has also been suggested.
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Affiliation(s)
- Hideto Yonekura
- Department of Biochemistry, Kanazawa Medical University School of Medicine, 1-1 Daigaku, Uchinada, Kahoku-gun, Ishikawa 920-0293, Japan
- Department of Biochemistry, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi 980-8575, Japan
| | - Ichiro Kato
- Department of Biochemistry, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi 980-8575, Japan
- Department of Biochemistry, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama, Toyama 930-0194, Japan
| | - Yasuhiko Yamamoto
- Department of Biochemistry, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi 980-8575, Japan
- Department of Biochemistry and Molecular Vascular Biology, Kanazawa University Graduate School of Medical Sciences, 13-1 Takara-machi, Kanazawa, Ishikawa 920-8640, Japan
| | - Takayuki Ikeda
- Department of Biochemistry, Kanazawa Medical University School of Medicine, 1-1 Daigaku, Uchinada, Kahoku-gun, Ishikawa 920-0293, Japan
- Department of Biochemistry, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi 980-8575, Japan
| | - Haruhiro Higashida
- Department of Basic Research on Social Recognition and Memory, Research Center for Child Mental Development, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa 920-8640, Japan
| | - Hiroshi Okamoto
- Department of Biochemistry, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi 980-8575, Japan
- Department of Biochemistry, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama, Toyama 930-0194, Japan
- Department of Biochemistry and Molecular Vascular Biology, Kanazawa University Graduate School of Medical Sciences, 13-1 Takara-machi, Kanazawa, Ishikawa 920-8640, Japan
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Kitayama E, Kimura M, Ouchi T, Furusawa M, Shibukawa Y. Functional Expression of IP, 5-HT 4, D 1, A 2A, and VIP Receptors in Human Odontoblast Cell Line. Biomolecules 2023; 13:879. [PMID: 37371459 DOI: 10.3390/biom13060879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 04/26/2023] [Accepted: 05/18/2023] [Indexed: 06/29/2023] Open
Abstract
Odontoblasts are involved in sensory generation as sensory receptor cells and in dentin formation. We previously reported that an increase in intracellular cAMP levels by cannabinoid 1 receptor activation induces Ca2+ influx via transient receptor potential vanilloid subfamily member 1 channels in odontoblasts, indicating that intracellular cAMP/Ca2+ signal coupling is involved in dentinal pain generation and reactionary dentin formation. Here, intracellular cAMP dynamics in cultured human odontoblasts were investigated to understand the detailed expression patterns of the intracellular cAMP signaling pathway activated by the Gs protein-coupled receptor and to clarify its role in cellular functions. The presence of plasma membrane Gαs as well as prostaglandin I2 (IP), 5-hydroxytryptamine 5-HT4 (5-HT4), dopamine D1 (D1), adenosine A2A (A2A), and vasoactive intestinal polypeptide (VIP) receptor immunoreactivity was observed in human odontoblasts. In the presence of extracellular Ca2+, the application of agonists for the IP (beraprost), 5-HT4 (BIMU8), D1 (SKF83959), A2A (PSB0777), and VIP (VIP) receptors increased intracellular cAMP levels. This increase in cAMP levels was inhibited by the application of the adenylyl cyclase (AC) inhibitor SQ22536 and each receptor antagonist, dose-dependently. These results suggested that odontoblasts express Gs protein-coupled IP, 5-HT4, D1, A2A, and VIP receptors. In addition, activation of these receptors increased intracellular cAMP levels by activating AC in odontoblasts.
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Affiliation(s)
- Eri Kitayama
- Department of Physiology, Tokyo Dental College, 2-9-18, Kanda-Misaki-cho, Chiyoda-ku, Tokyo 101-0061, Japan
- Department of Endodontics, Tokyo Dental College, 2-9-18, Kanda-Misaki-cho, Chiyoda-ku, Tokyo 101-0061, Japan
| | - Maki Kimura
- Department of Physiology, Tokyo Dental College, 2-9-18, Kanda-Misaki-cho, Chiyoda-ku, Tokyo 101-0061, Japan
| | - Takehito Ouchi
- Department of Physiology, Tokyo Dental College, 2-9-18, Kanda-Misaki-cho, Chiyoda-ku, Tokyo 101-0061, Japan
| | - Masahiro Furusawa
- Department of Endodontics, Tokyo Dental College, 2-9-18, Kanda-Misaki-cho, Chiyoda-ku, Tokyo 101-0061, Japan
| | - Yoshiyuki Shibukawa
- Department of Physiology, Tokyo Dental College, 2-9-18, Kanda-Misaki-cho, Chiyoda-ku, Tokyo 101-0061, Japan
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Calo G, Hauk V, Vota D, Van C, Condro M, Gallino L, Ramhorst R, Waschek J, Pérez Leirós C. VPAC1 and VPAC2 receptor deficiencies negatively influence pregnancy outcome through distinct and overlapping modulations of immune, trophoblast and vascular functions. Biochim Biophys Acta Mol Basis Dis 2023; 1869:166593. [PMID: 36328148 PMCID: PMC9772292 DOI: 10.1016/j.bbadis.2022.166593] [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: 08/23/2022] [Revised: 10/26/2022] [Accepted: 10/28/2022] [Indexed: 11/08/2022]
Abstract
Pregnancy outcome relies on the maintenance of immune and metabolic homeostasis at the maternal fetal interface. Maternal and perinatal morbidity and mortality is associated with impaired placental development. Multiple regulatory effects of the endogenous-produced vasoactive intestinal peptide (VIP) on vascular, metabolic and immune functions at the maternal-fetal interface have been reported. Here we studied the involvement of the two primary high affinity receptors for VIP (VPAC1 and VPAC2) on maternal immune response, placental homeostasis and pregnancy outcome. Targeted disruption of each receptor gene led to altered placental structure, vascular and trophoblast functional markers and shaped the functional profiles of macrophages and neutrophils towards a proinflammatory state. Several changes in pregnant mice were receptor specific: ROS production elicited by VIP on neutrophils was selectively dependent on the presence of VPAC1 whereas apoptosis rate was associated with the VPAC2 deletion. In peritoneal macrophages from pregnant mice, levels of MHC-II, TLR2, and IL-10 were selectively altered in VPAC2 receptor-deficient mice, whereas IL-6 gene expression was reduced only in mice lacking VPAC1 receptors. Additionally, MMP9 mRNA in isolated TGCs was reduced in VPAC2 receptor deleted mice, while the percentage of IL-12 cells in post-phagocytosis macrophage cultures was selectively reduced in VPAC2 receptor deficient mice. The results indicate that manipulation of VPAC1 and VPAC2 receptor affects immune, vascular and metabolic environment at the maternal fetal interface. These mouse models offer new approaches to study pregnancy complications adding new perspectives to the development of VPAC receptor-selective drugs.
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Affiliation(s)
- Guillermina Calo
- Universidad de Buenos Aires (UBA), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN-CONICET), Laboratorio de Inmunofarmacología, Facultad de Ciencias Exactas y Naturales (FCEN-UBA), Buenos Aires, Argentina
| | - Vanesa Hauk
- Universidad de Buenos Aires (UBA), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN-CONICET), Laboratorio de Inmunofarmacología, Facultad de Ciencias Exactas y Naturales (FCEN-UBA), Buenos Aires, Argentina
| | - Daiana Vota
- Universidad de Buenos Aires (UBA), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN-CONICET), Laboratorio de Inmunofarmacología, Facultad de Ciencias Exactas y Naturales (FCEN-UBA), Buenos Aires, Argentina
| | - Christina Van
- The David Geffen School of Medicine, University of California, Los Angeles, USA
| | - Michael Condro
- The David Geffen School of Medicine, University of California, Los Angeles, USA
| | - Lucila Gallino
- Universidad de Buenos Aires (UBA), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN-CONICET), Laboratorio de Inmunofarmacología, Facultad de Ciencias Exactas y Naturales (FCEN-UBA), Buenos Aires, Argentina
| | - Rosanna Ramhorst
- Universidad de Buenos Aires (UBA), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN-CONICET), Laboratorio de Inmunofarmacología, Facultad de Ciencias Exactas y Naturales (FCEN-UBA), Buenos Aires, Argentina
| | - James Waschek
- The David Geffen School of Medicine, University of California, Los Angeles, USA
| | - Claudia Pérez Leirós
- Universidad de Buenos Aires (UBA), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN-CONICET), Laboratorio de Inmunofarmacología, Facultad de Ciencias Exactas y Naturales (FCEN-UBA), Buenos Aires, Argentina.
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Sakamoto K, Asano S, Ago Y, Hirokawa T. AlphaFold version 2.0 elucidates the binding mechanism between VIPR2 and KS-133, and reveals an S–S bond (Cys25−Cys192) formation of functional significance for VIPR2. Biochem Biophys Res Commun 2022; 636:10-16. [DOI: 10.1016/j.bbrc.2022.10.071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 10/20/2022] [Indexed: 11/02/2022]
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14
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Zhang Z, Li Q, Huang Y, Xu Z, Chen X, Jiang B, Huang Y, Jian J. Vasoactive Intestinal Peptide (VIP) Protects Nile Tilapia ( Oreochromis niloticus) against Streptococcus agalatiae Infection. Int J Mol Sci 2022; 23:ijms232314895. [PMID: 36499231 PMCID: PMC9738603 DOI: 10.3390/ijms232314895] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/24/2022] [Accepted: 11/25/2022] [Indexed: 11/29/2022] Open
Abstract
Vasoactive intestinal peptide (VIP), a member of secretin/glucagon family, is involved in a variety of biological activities such as gut motility, immune responses, and carcinogenesis. In this study, the VIP precursor gene (On-VIP) and its receptor gene VIPR1 (On-VIPR1) were identified from Nile tilapia (Oreochromis niloticus), and the functions of On-VIP in the immunomodulation of Nile tilapia against bacterial infection were investigated and characterized. On-VIP and On-VIPR1 contain a 450 bp and a 1326 bp open reading frame encoding deduced protein of 149 and 441 amino acids, respectively. Simultaneously, the transcript of both On-VIP and On-VIPR1 were highly expressed in the intestine and sharply induced by Streptococcus agalatiae. Moreover, the positive signals of On-VIP and On-VIPR1 were detected in the longitudinal muscle layer and mucosal epithelium of intestine, respectively. Furthermore, both in vitro and in vivo experiments indicated several immune functions of On-VIP, including reduction of P65, P38, MyD88, STAT3, and AP1, upregulation of CREB and CBP, and suppression of inflammation. Additionally, in vivo experiments proved that On-VIP could protect Nile tilapia from bacterial infection and promote apoptosis and pyroptosis. These data lay a theoretical basis for further understanding of the mechanism of VIP guarding bony fish against bacterial infection.
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Affiliation(s)
- Zhiqiang Zhang
- Guangdong Provincial Key Laboratory of Aquatic Animal Disease Control and Healthy Culture, College of Fishery, Guangdong Ocean University, Zhanjiang 524088, China
| | - Qi Li
- Guangdong Provincial Key Laboratory of Aquatic Animal Disease Control and Healthy Culture, College of Fishery, Guangdong Ocean University, Zhanjiang 524088, China
| | - Yongxiong Huang
- Guangdong Provincial Key Laboratory of Aquatic Animal Disease Control and Healthy Culture, College of Fishery, Guangdong Ocean University, Zhanjiang 524088, China
| | - Zhou Xu
- Guangdong Provincial Key Laboratory of Aquatic Animal Disease Control and Healthy Culture, College of Fishery, Guangdong Ocean University, Zhanjiang 524088, China
| | - Xinjin Chen
- Guangdong Provincial Key Laboratory of Aquatic Animal Disease Control and Healthy Culture, College of Fishery, Guangdong Ocean University, Zhanjiang 524088, China
| | - Baijian Jiang
- Guangdong Provincial Key Laboratory of Aquatic Animal Disease Control and Healthy Culture, College of Fishery, Guangdong Ocean University, Zhanjiang 524088, China
| | - Yu Huang
- Guangdong Provincial Key Laboratory of Aquatic Animal Disease Control and Healthy Culture, College of Fishery, Guangdong Ocean University, Zhanjiang 524088, China
- Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China
- Guangdong Provincial Engineering Research Center for Aquatic Animal Health Assessment, Shenzhen 327005, China
| | - Jichang Jian
- Guangdong Provincial Key Laboratory of Aquatic Animal Disease Control and Healthy Culture, College of Fishery, Guangdong Ocean University, Zhanjiang 524088, China
- Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China
- Guangdong Provincial Engineering Research Center for Aquatic Animal Health Assessment, Shenzhen 327005, China
- Correspondence:
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15
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Davenport CM, Teubner BJW, Han SB, Patton MH, Eom TY, Garic D, Lansdell BJ, Shirinifard A, Chang TC, Klein J, Pruett-Miller SM, Blundon JA, Zakharenko SS. Innate frequency-discrimination hyperacuity in Williams-Beuren syndrome mice. Cell 2022; 185:3877-3895.e21. [PMID: 36152627 PMCID: PMC9588278 DOI: 10.1016/j.cell.2022.08.022] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 06/14/2022] [Accepted: 08/24/2022] [Indexed: 01/26/2023]
Abstract
Williams-Beuren syndrome (WBS) is a rare disorder caused by hemizygous microdeletion of ∼27 contiguous genes. Despite neurodevelopmental and cognitive deficits, individuals with WBS have spared or enhanced musical and auditory abilities, potentially offering an insight into the genetic basis of auditory perception. Here, we report that the mouse models of WBS have innately enhanced frequency-discrimination acuity and improved frequency coding in the auditory cortex (ACx). Chemogenetic rescue showed frequency-discrimination hyperacuity is caused by hyperexcitable interneurons in the ACx. Haploinsufficiency of one WBS gene, Gtf2ird1, replicated WBS phenotypes by downregulating the neuropeptide receptor VIPR1. VIPR1 is reduced in the ACx of individuals with WBS and in the cerebral organoids derived from human induced pluripotent stem cells with the WBS microdeletion. Vipr1 deletion or overexpression in ACx interneurons mimicked or reversed, respectively, the cellular and behavioral phenotypes of WBS mice. Thus, the Gtf2ird1-Vipr1 mechanism in ACx interneurons may underlie the superior auditory acuity in WBS.
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Affiliation(s)
- Christopher M Davenport
- Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Brett J W Teubner
- Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Seung Baek Han
- Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Mary H Patton
- Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Tae-Yeon Eom
- Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Dusan Garic
- Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Benjamin J Lansdell
- Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Abbas Shirinifard
- Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Ti-Cheng Chang
- Center for Applied Bioinformatics, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Jonathon Klein
- Department of Cell and Molecular Biology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Shondra M Pruett-Miller
- Department of Cell and Molecular Biology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Jay A Blundon
- Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Stanislav S Zakharenko
- Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA.
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Yi SL, Huang ZT, Liao L, Lu YL, Lin YK, Pei Y, Chen WY, Huang C, Cao HY, Tan B. The Effects of Patchouli Alcohol on Diarrhea-Predominant Irritable Bowel Syndrome are Correlated with Phenotypic Plasticity in Myenteric Neurons and the Targeted Regulation of Myosin Va. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2022; 50:1905-1925. [PMID: 36185014 DOI: 10.1142/s0192415x22500811] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2024]
Abstract
Patchouli alcohol (PA) has been widely used for the treatment of diarrhea-predominant irritable bowel syndrome (IBS-D) in traditional Chinese medicine, and the related mechanism remains to be fully understood. Our previous study has indicated that PA significantly reduced visceral sensitivity and defecation area in IBS-D rats. In this study, we prepared an IBS-D rat model and observed the dynamic intestinal motility and colonic longitudinal muscle and myenteric plexus (LMMP) neurons, as well as their subtypes at D14, D21, and D28. After PA administration, we observed the effects on the changes in intestinal motility, colonic LMMP neurons, and LMMP Myosin Va in IBS-D rats and their co-localization with inhibitory neurotransmitter-related proteins. The results indicated that PA treatment could alleviate IBS-D symptoms, regulate the abnormal expression of LMMP neurons, increase Myosin Va expression, up-regulate co-localization levels of Myosin Va with neuronal nitric oxide synthase (nNOS), and promote co-localization levels of Myosin Va with vasoactive intestinal polypeptide (VIP). In conclusion, this study demonstrated the neuropathic alterations in the colon of chronic restraint stress-induced IBS-D rat model. PA reversed the neuropathological alteration by affecting the transport process of nNOS and VIP vesicles via Myosin Va and the function of LMMP inhibitory neurons, and these effects were related to the mechanism of enteric nervous system (ENS) remodeling.
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Affiliation(s)
- Shu-Lin Yi
- The Research Center for Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou 510006, Guangdong Province, P. R. China
| | - Zi-Tong Huang
- The Research Center for Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou 510006, Guangdong Province, P. R. China
| | - Lu Liao
- The Research Center for Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou 510006, Guangdong Province, P. R. China
| | - Yu-Lin Lu
- The Research Center for Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou 510006, Guangdong Province, P. R. China
| | - Yu-Kang Lin
- Hunan University of Chinese Medicine, Changsha 410000, Hunan Province, P. R. China
| | - Ying Pei
- The Research Center for Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou 510006, Guangdong Province, P. R. China
| | - Wan-Yu Chen
- The Research Center for Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou 510006, Guangdong Province, P. R. China
| | - Chen Huang
- The Research Center for Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou 510006, Guangdong Province, P. R. China
| | - Hong-Ying Cao
- School of Chinese Materia Medica, Guangzhou University of Chinese Medicine, Guangzhou 510006, Guangdong Province, P. R. China
| | - Bo Tan
- The Research Center for Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou 510006, Guangdong Province, P. R. China
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Díaz E, Febres A, Giammarresi M, Silva A, Vanegas O, Gomes C, Ponte-Sucre A. G Protein-Coupled Receptors as Potential Intercellular Communication Mediators in Trypanosomatidae. Front Cell Infect Microbiol 2022; 12:812848. [PMID: 35651757 PMCID: PMC9149261 DOI: 10.3389/fcimb.2022.812848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Accepted: 04/13/2022] [Indexed: 11/13/2022] Open
Abstract
Detection and transduction of environmental signals, constitute a prerequisite for successful parasite invasion; i.e., Leishmania transmission, survival, pathogenesis and disease manifestation and dissemination, with diverse molecules functioning as inter-cellular signaling ligands. Receptors [i.e., G protein-coupled receptors (GPCRs)] and their associated transduction mechanisms, well conserved through evolution, specialize in this function. However, canonical GPCR-related signal transduction systems have not been described in Leishmania, although orthologs, with reduced domains and function, have been identified in Trypanosomatidae. These inter-cellular communication means seem to be essential for multicellular and unicellular organism’s survival. GPCRs are flexible in their molecular architecture and may interact with the so-called receptor activity-modifying proteins (RAMPs), which modulate their function, changing GPCRs pharmacology, acting as chaperones and regulating signaling and/or trafficking in a receptor-dependent manner. In the skin, vasoactive- and neuro- peptides released in response to the noxious stimuli represented by the insect bite may trigger parasite physiological responses, for example, chemotaxis. For instance, in Leishmania (V.) braziliensis, sensory [Substance P, SP, chemoattractant] and autonomic [Vasoactive Intestinal Peptide, VIP, and Neuropeptide Y, NPY, chemorepellent] neuropeptides at physiological levels stimulate in vitro effects on parasite taxis. VIP and NPY chemotactic effects are impaired by their corresponding receptor antagonists, suggesting that the stimulated responses might be mediated by putative GPCRs (with essential conserved receptor domains); the effect of SP is blocked by [(D-Pro 2, D-Trp7,9]-Substance P (10-6 M)] suggesting that it might be mediated by neurokinin-1 transmembrane receptors. Additionally, vasoactive molecules like Calcitonin Gene-Related Peptide [CGRP] and Adrenomedullin [AM], exert a chemorepellent effect and increase the expression of a 24 kDa band recognized in western blot analysis by (human-)-RAMP-2 antibodies. In-silico search oriented towards GPCRs-like receptors and signaling cascades detected a RAMP-2-aligned sequence corresponding to Leishmania folylpolyglutamate synthase and a RAMP-3 aligned protein, a hypothetical Leishmania protein with yet unknown function, suggesting that in Leishmania, CGRP and AM activities may be modulated by RAMP- (-2) and (-3) homologs. The possible presence of proteins and molecules potentially involved in GPCRs cascades, i.e., RAMPs, signpost conservation of ancient signaling systems associated with responses, fundamental for cell survival, (i.e., taxis and migration) and may constitute an open field for description of pharmacophores against Leishmania parasites.
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Affiliation(s)
- Emilia Díaz
- Laboratory of Molecular Physiology, Institute of Experimental Medicine, School of Medicine Luis Razetti, Faculty of Medicine, Universidad Central de Venezuela, Caracas, Venezuela
| | - Anthony Febres
- Section of Infectious Diseases, Baylor College of Medicine, TX, United States
| | - Michelle Giammarresi
- Laboratory of Molecular Physiology, Institute of Experimental Medicine, School of Medicine Luis Razetti, Faculty of Medicine, Universidad Central de Venezuela, Caracas, Venezuela
| | - Adrian Silva
- Laboratory of Molecular Physiology, Institute of Experimental Medicine, School of Medicine Luis Razetti, Faculty of Medicine, Universidad Central de Venezuela, Caracas, Venezuela
| | - Oriana Vanegas
- Pediatric Gastroenterology, University of Iowa, Iowa City, IA, United States
| | - Carlos Gomes
- Royal Berkshire NHS, Foundation Trust, Light House Lab, Bracknell, United Kingdom
| | - Alicia Ponte-Sucre
- Laboratory of Molecular Physiology, Institute of Experimental Medicine, School of Medicine Luis Razetti, Faculty of Medicine, Universidad Central de Venezuela, Caracas, Venezuela
- Medical Mission Institute, Würzburg, Germany
- *Correspondence: Alicia Ponte-Sucre,
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18
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Zhao T, Tian J, Wang X, Hao Y, Xu M, Zhao Y, Liu X, Chen Y, Jia C. PACTS-Assisted Thermal Proteome Profiling for Use in Identifying Peptide-Interacting Proteins. Anal Chem 2022; 94:6809-6818. [PMID: 35485935 DOI: 10.1021/acs.analchem.2c00581] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Bioactive peptides play important roles in various biological processes. However, the traditional methods for profiling the peptide-interacting proteins require modifications to the peptide molecules, often leading to false identifications. We found that the interaction between peptide ligands and protein receptors induced significant changes in the abundance of the interacting proteins, which is a signature indicating the interaction and providing complementary information for use in the classical thermal proteome profiling (TPP) technique. Herein, we developed a novel Peptide-ligand-induced Abundance Change of proTeinS (PACTS)-assisted TPP strategy for the identification of peptide-interacting proteins based on the peptide-ligand-induced change in protein abundance. The utility and efficacy of this approach were demonstrated by the identification of the interaction of the protein 3-phosphoinositide-dependent protein kinase 1 (PDPK1) and PDPK1-interacting fragment (PIF) pair and by large-scale profiling of the interacting proteins of PIF. The PACTS-assisted TPP approach was applied to describe the interactome of amyloid beta (Aβ) 1-42 in THP-1 cells and resulted in the identification of 103 interacting proteins. Validation experiments indicated that Aβ1-42 interacted directly with fatty acid synthase and inhibited its enzymatic activity, providing insights into fatty acid metabolic disorders in Alzheimer's disease (AD). Overall, PACTS-assisted TPP is an efficient approach, and the newly identified Aβ-interacting proteins provide rich resources for the research on AD.
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Affiliation(s)
- Ting Zhao
- State Key Laboratory of Proteomics, National Center for Protein Sciences-Beijing, Beijing Proteome Research Center, Beijing Institute of Lifeomics, Beijing 102206, China.,Department of Otolaryngology-Head and Neck Surgery, Shanghai Ninth People's Hospital, Ear Institute, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Translational Medicine on Ear and Nose Diseases, Shanghai 200011, China
| | - Jingya Tian
- State Key Laboratory of Proteomics, National Center for Protein Sciences-Beijing, Beijing Proteome Research Center, Beijing Institute of Lifeomics, Beijing 102206, China.,College of Chemistry and Environmental Science, College of Life Sciences, Hebei University, Baoding 071002, China
| | - Xiankun Wang
- State Key Laboratory of Proteomics, National Center for Protein Sciences-Beijing, Beijing Proteome Research Center, Beijing Institute of Lifeomics, Beijing 102206, China
| | - Yanan Hao
- State Key Laboratory of Proteomics, National Center for Protein Sciences-Beijing, Beijing Proteome Research Center, Beijing Institute of Lifeomics, Beijing 102206, China
| | - Mengting Xu
- State Key Laboratory of Proteomics, National Center for Protein Sciences-Beijing, Beijing Proteome Research Center, Beijing Institute of Lifeomics, Beijing 102206, China.,Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Anhui Medical University, Hefei 230032, China
| | - Yuanyuan Zhao
- State Key Laboratory of Proteomics, National Center for Protein Sciences-Beijing, Beijing Proteome Research Center, Beijing Institute of Lifeomics, Beijing 102206, China.,State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen 361102, China
| | - Xinyue Liu
- State Key Laboratory of Proteomics, National Center for Protein Sciences-Beijing, Beijing Proteome Research Center, Beijing Institute of Lifeomics, Beijing 102206, China.,College of Chemistry and Environmental Science, College of Life Sciences, Hebei University, Baoding 071002, China
| | - Yali Chen
- State Key Laboratory of Proteomics, National Center for Protein Sciences-Beijing, Beijing Proteome Research Center, Beijing Institute of Lifeomics, Beijing 102206, China
| | - Chenxi Jia
- State Key Laboratory of Proteomics, National Center for Protein Sciences-Beijing, Beijing Proteome Research Center, Beijing Institute of Lifeomics, Beijing 102206, China
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19
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Bassani D, Pavan M, Federico S, Spalluto G, Sturlese M, Moro S. The Multifaceted Role of GPCRs in Amyotrophic Lateral Sclerosis: A New Therapeutic Perspective? Int J Mol Sci 2022; 23:4504. [PMID: 35562894 PMCID: PMC9106011 DOI: 10.3390/ijms23094504] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 04/15/2022] [Accepted: 04/15/2022] [Indexed: 02/05/2023] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is a degenerating disease involving the motor neurons, which causes a progressive loss of movement ability, usually leading to death within 2 to 5 years from the diagnosis. Much effort has been put into research for an effective therapy for its eradication, but still, no cure is available. The only two drugs approved for this pathology, Riluzole and Edaravone, are onlyable to slow down the inevitable disease progression. As assessed in the literature, drug targets such as protein kinases have already been extensively examined as potential drug targets for ALS, with some molecules already in clinical trials. Here, we focus on the involvement of another very important and studied class of biological entities, G protein-coupled receptors (GPCRs), in the onset and progression of ALS. This workaimsto give an overview of what has been already discovered on the topic, providing useful information and insights that can be used by scientists all around the world who are putting efforts into the fight against this very important neurodegenerating disease.
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Affiliation(s)
- Davide Bassani
- Molecular Modeling Section (MMS), Department of Pharmaceutical and Pharmacological Sciences, University of Padova, 35131 Padova, Italy; (D.B.); (M.P.); (M.S.)
| | - Matteo Pavan
- Molecular Modeling Section (MMS), Department of Pharmaceutical and Pharmacological Sciences, University of Padova, 35131 Padova, Italy; (D.B.); (M.P.); (M.S.)
| | - Stephanie Federico
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, 34127 Trieste, Italy; (S.F.); (G.S.)
| | - Giampiero Spalluto
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, 34127 Trieste, Italy; (S.F.); (G.S.)
| | - Mattia Sturlese
- Molecular Modeling Section (MMS), Department of Pharmaceutical and Pharmacological Sciences, University of Padova, 35131 Padova, Italy; (D.B.); (M.P.); (M.S.)
| | - Stefano Moro
- Molecular Modeling Section (MMS), Department of Pharmaceutical and Pharmacological Sciences, University of Padova, 35131 Padova, Italy; (D.B.); (M.P.); (M.S.)
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20
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Temerozo JR, Sacramento CQ, Fintelman-Rodrigues N, Pão CRR, de Freitas CS, Dias SSG, Ferreira AC, Mattos M, Soares VC, Teixeira L, Azevedo-Quintanilha IG, Hottz ED, Kurtz P, Bozza FA, Bozza PT, Souza TML, Bou-Habib DC. VIP plasma levels associate with survival in severe COVID-19 patients, correlating with protective effects in SARS-CoV-2-infected cells. J Leukoc Biol 2022; 111:1107-1121. [PMID: 35322471 PMCID: PMC9088587 DOI: 10.1002/jlb.5cova1121-626r] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 02/11/2022] [Accepted: 02/25/2022] [Indexed: 12/11/2022] Open
Abstract
Infection by SARS‐CoV‐2 may elicit uncontrolled and damaging inflammatory responses. Thus, it is critical to identify compounds able to inhibit virus replication and thwart the inflammatory reaction. Here, we show that the plasma levels of the immunoregulatory neuropeptide VIP are elevated in patients with severe COVID‐19, correlating with reduced inflammatory mediators and with survival on those patients. In vitro, vasoactive intestinal peptide (VIP) and pituitary adenylate cyclase‐activating polypeptide (PACAP), highly similar neuropeptides, decreased the SARS‐CoV‐2 RNA content in human monocytes and viral production in lung epithelial cells, also reducing cell death. Both neuropeptides inhibited the production of proinflammatory mediators in lung epithelial cells and in monocytes. VIP and PACAP prevented in monocytes the SARS‐CoV‐2‐induced activation of NF‐kB and SREBP1 and SREBP2, transcriptions factors involved in proinflammatory reactions and lipid metabolism, respectively. They also promoted CREB activation, a transcription factor with antiapoptotic activity and negative regulator of NF‐kB. Specific inhibition of NF‐kB and SREBP1/2 reproduced the anti‐inflammatory, antiviral, and cell death protection effects of VIP and PACAP. Our results support further clinical investigations of these neuropeptides against COVID‐19.
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Affiliation(s)
- Jairo R Temerozo
- Laboratory on Thymus Research, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro, RJ, Brazil.,National Institute for Science and Technology on Neuroimmunomodulation, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro, RJ, Brazil
| | - Carolina Q Sacramento
- Laboratory of Immunopharmacology, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro, RJ, Brazil.,National Institute for Science and Technology on Innovation in Diseases of Neglected Populations (INCT/IDPN), Center for Technological Development in Health (CDTS), Fiocruz, Rio de Janeiro, RJ, Brazil
| | - Natalia Fintelman-Rodrigues
- Laboratory of Immunopharmacology, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro, RJ, Brazil.,National Institute for Science and Technology on Innovation in Diseases of Neglected Populations (INCT/IDPN), Center for Technological Development in Health (CDTS), Fiocruz, Rio de Janeiro, RJ, Brazil
| | - Camila R R Pão
- Laboratory of Immunopharmacology, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro, RJ, Brazil
| | - Caroline S de Freitas
- Laboratory of Immunopharmacology, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro, RJ, Brazil.,National Institute for Science and Technology on Innovation in Diseases of Neglected Populations (INCT/IDPN), Center for Technological Development in Health (CDTS), Fiocruz, Rio de Janeiro, RJ, Brazil
| | - Suelen Silva Gomes Dias
- Laboratory of Immunopharmacology, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro, RJ, Brazil
| | - André C Ferreira
- Laboratory of Immunopharmacology, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro, RJ, Brazil.,National Institute for Science and Technology on Innovation in Diseases of Neglected Populations (INCT/IDPN), Center for Technological Development in Health (CDTS), Fiocruz, Rio de Janeiro, RJ, Brazil.,Iguaçu University, Nova Iguaçu, RJ, Brazil
| | - Mayara Mattos
- Laboratory of Immunopharmacology, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro, RJ, Brazil.,National Institute for Science and Technology on Innovation in Diseases of Neglected Populations (INCT/IDPN), Center for Technological Development in Health (CDTS), Fiocruz, Rio de Janeiro, RJ, Brazil
| | - Vinicius Cardoso Soares
- Laboratory of Immunopharmacology, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro, RJ, Brazil.,Program of Immunology and Inflammation, Federal University of Rio de Janeiro, UFRJ, Rio de Janeiro, RJ, Brazil
| | - Lívia Teixeira
- Laboratory of Immunopharmacology, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro, RJ, Brazil
| | | | - Eugenio D Hottz
- Laboratory of Immunothrombosis, Department of Biochemistry, Federal University of Juiz de Fora (UFJF), Juiz de Fora, Minas Gerais, Brazil
| | - Pedro Kurtz
- Paulo Niemeyer State Brain Institute, Rio de Janeiro, RJ, Brazil.,D'Or Institute for Research and Education, Rio de Janeiro, RJ, Brazil
| | - Fernando A Bozza
- D'Or Institute for Research and Education, Rio de Janeiro, RJ, Brazil.,Evandro Chagas National Institute of Infectious Diseases, Fiocruz, Rio de Janeiro, RJ, Brazil
| | - Patrícia T Bozza
- Laboratory of Immunopharmacology, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro, RJ, Brazil
| | - Thiago Moreno L Souza
- Laboratory of Immunopharmacology, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro, RJ, Brazil.,National Institute for Science and Technology on Innovation in Diseases of Neglected Populations (INCT/IDPN), Center for Technological Development in Health (CDTS), Fiocruz, Rio de Janeiro, RJ, Brazil
| | - Dumith Chequer Bou-Habib
- Laboratory on Thymus Research, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro, RJ, Brazil.,National Institute for Science and Technology on Neuroimmunomodulation, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro, RJ, Brazil
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21
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Simonetta I, Riolo R, Todaro F, Tuttolomondo A. New Insights on Metabolic and Genetic Basis of Migraine: Novel Impact on Management and Therapeutical Approach. Int J Mol Sci 2022; 23:3018. [PMID: 35328439 PMCID: PMC8955051 DOI: 10.3390/ijms23063018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 03/05/2022] [Accepted: 03/07/2022] [Indexed: 12/12/2022] Open
Abstract
Migraine is a hereditary disease, usually one-sided, sometimes bilateral. It is characterized by moderate to severe pain, which worsens with physical activity and may be associated with nausea and vomiting, may be accompanied by photophobia and phonophobia. The disorder can occur at any time of the day and can last from 4 to 72 h, with and without aura. The pathogenic mechanism is unclear, but extensive preclinical and clinical studies are ongoing. According to electrophysiology and imaging studies, many brain areas are involved, such as cerebral cortex, thalamus, hypothalamus, and brainstem. The activation of the trigeminovascular system has a key role in the headache phase. There also appears to be a genetic basis behind the development of migraine. Numerous alterations have been identified, and in addition to the genetic cause, there is also a close association with the surrounding environment, as if on the one hand, the genetic alterations may be responsible for the onset of migraine, on the other, the environmental factors seem to be more strongly associated with exacerbations. This review is an analysis of neurophysiological mechanisms, neuropeptide activity, and genetic alterations that play a fundamental role in choosing the best therapeutic strategy. To date, the goal is to create a therapy that is as personalized as possible, and for this reason, steps forward have been made in the pharmacological field in order to identify new therapeutic strategies for both acute treatment and prophylaxis.
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Affiliation(s)
- Irene Simonetta
- Internal Medicine and Stroke Care Ward, Department of Promoting Health, Maternal-Infant Excellence and Internal and Specialized Medicine (ProMISE) G. D’Alessandro, University of Palermo, Piazza delle Cliniche n.2, 90127 Palermo, Italy; (I.S.); (R.R.); (F.T.)
- Molecular and Clinical Medicine PhD Programme, University of Palermo, P.zza delle Cliniche n.2, 90127 Palermo, Italy
| | - Renata Riolo
- Internal Medicine and Stroke Care Ward, Department of Promoting Health, Maternal-Infant Excellence and Internal and Specialized Medicine (ProMISE) G. D’Alessandro, University of Palermo, Piazza delle Cliniche n.2, 90127 Palermo, Italy; (I.S.); (R.R.); (F.T.)
| | - Federica Todaro
- Internal Medicine and Stroke Care Ward, Department of Promoting Health, Maternal-Infant Excellence and Internal and Specialized Medicine (ProMISE) G. D’Alessandro, University of Palermo, Piazza delle Cliniche n.2, 90127 Palermo, Italy; (I.S.); (R.R.); (F.T.)
| | - Antonino Tuttolomondo
- Internal Medicine and Stroke Care Ward, Department of Promoting Health, Maternal-Infant Excellence and Internal and Specialized Medicine (ProMISE) G. D’Alessandro, University of Palermo, Piazza delle Cliniche n.2, 90127 Palermo, Italy; (I.S.); (R.R.); (F.T.)
- Molecular and Clinical Medicine PhD Programme, University of Palermo, P.zza delle Cliniche n.2, 90127 Palermo, Italy
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22
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Mansano NDS, Paradela RS, Bohlen TM, Zanardi IM, Chaves FM, Silveira MA, Tavares MR, Donato J, Frazao R. Vasoactive intestinal peptide exerts an excitatory effect on hypothalamic kisspeptin neurons during estrogen negative feedback. Mol Cell Endocrinol 2022; 542:111532. [PMID: 34915098 DOI: 10.1016/j.mce.2021.111532] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 12/10/2021] [Accepted: 12/11/2021] [Indexed: 12/30/2022]
Abstract
Hypothalamic kisspeptin neurons are the primary modulators of gonadotropin-releasing hormone (GnRH) neurons. It has been shown that circadian rhythms driven by the suprachiasmatic nucleus (SCN) contribute to GnRH secretion. Kisspeptin neurons are potential targets of SCN neurons due to reciprocal connections with the anteroventral periventricular and rostral periventricular nuclei (AVPV/PeN) and the arcuate nucleus of the hypothalamus (ARH). Vasoactive intestinal peptide (VIP), a notable SCN neurotransmitter, modulates GnRH secretion depending on serum estradiol levels, aging or time of the day. Considering that kisspeptin neurons may act as interneurons and mediate VIP's effects on the reproductive axis, we investigated the effects of VIP on hypothalamic kisspeptin neurons in female mice during estrogen negative feedback. Our findings indicate that VIP induces a TTX-independent depolarization of approximately 30% of AVPV/PeN kisspeptin neurons in gonad-intact (diestrus) and ovariectomized (OVX) mice. In the ARH, the percentage of kisspeptin neurons that were depolarized by VIP was even higher (approximately 90%). An intracerebroventricular infusion of VIP leds to an increased percentage of kisspeptin neurons expressing the phosphoSer133 cAMP-response-element-binding protein (pCREB) in the AVPV/PeN. On the other hand, pCREB expression in ARH kisspeptin neurons was similar between saline- and VIP-injected mice. Thus, VIP can recruit different signaling pathways to modulate AVPV/PeN or ARH kisspeptin neurons, resulting in distinct cellular responses. The expression of VIP receptors (VPACR) was upregulated in the AVPV/PeN, but not in the ARH, of OVX mice compared to mice on diestrus and estradiol-primed OVX mice. Our findings indicate that VIP directly influences distinct cellular aspects of the AVPV/PeN and ARH kisspeptin neurons during estrogen negative feedback, possibly to influence pulsatile LH secretion.
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Affiliation(s)
- Naira da Silva Mansano
- Department of Anatomy, Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP, Brazil
| | - Regina Silva Paradela
- Department of Anatomy, Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP, Brazil
| | - Tabata M Bohlen
- Department of Anatomy, Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP, Brazil
| | - Izabela M Zanardi
- Department of Anatomy, Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP, Brazil
| | - Fernanda Machado Chaves
- Department of Physiology and Biophysics, Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP, Brazil
| | - Marina Augusto Silveira
- Department of Anatomy, Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP, Brazil
| | - Mariana Rosolen Tavares
- Department of Physiology and Biophysics, Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP, Brazil
| | - Jose Donato
- Department of Physiology and Biophysics, Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP, Brazil
| | - Renata Frazao
- Department of Anatomy, Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP, Brazil.
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23
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Mukherjee T, Behl T, Sharma S, Sehgal A, Singh S, Sharma N, Mathew B, Kaur J, Kaur R, Das M, Aleya L, Bungau S. Anticipated pharmacological role of Aviptadil on COVID-19. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:8109-8125. [PMID: 34846667 PMCID: PMC8630992 DOI: 10.1007/s11356-021-17824-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Accepted: 11/24/2021] [Indexed: 04/16/2023]
Abstract
Vasoactive intestinal peptide (VIP) is a neuropeptide that is produced by the lymphoid cells and plays a major role in immunological functions for controlling the homeostasis of the immune system. VIP has been identified as a potent anti-inflammatory factor, in boosting both innate and adaptive immunity. Since December 2019, SARS-Cov-2 was found responsible for the disease COVID-19 which has spread worldwide. No specific therapies or 100% effective vaccines are yet available for the treatment of COVID-19. Drug repositioning may offer a strategy and several drugs have been repurposed, including lopinavir/ritonavir, remdesivir, favipiravir, and tocilizumab. This paper describes the main pharmacological properties of synthetic VIP drug (Aviptadil) which is now under clinical trials. A patented formulation of vasoactive intestinal polypeptide (VIP), named RLF-100 (Aviptadil), was developed and finally got approved for human trials by FDA in 2001 and in European medicines agency in 2005. It was awarded Orphan Drug Designation in 2001 by the US FDA for the treatment of acute respiratory distress syndrome and for the treatment of pulmonary arterial hypertension in 2005. Investigational new drug (IND) licenses for human trials of Aviptadil was guaranteed by both the US FDA and EMEA. Preliminary clinical trials seem to support Aviptadil's benefit. However, such drugs like Aviptadil in COVID-19 patients have peculiar safety profiles. Thus, adequate clinical trials are necessary for these compounds.
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Affiliation(s)
- Tuhin Mukherjee
- Guru Nanak Institute of Pharmaceutical Science and Technology, Kolkata, West Bengal, India
| | - Tapan Behl
- Chitkara College of Pharmacy, Chitkara University, Punjab, India.
| | - Sanchay Sharma
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Aayush Sehgal
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Sukhbir Singh
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Neelam Sharma
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Bijo Mathew
- Department of Pharmaceutical Chemistry, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, AIMS Health Science Campus, Kochi, India
| | - Jasleen Kaur
- Guru Nanak Institute of Pharmaceutical Science and Technology, Kolkata, West Bengal, India
| | - Ratandeep Kaur
- Guru Nanak Institute of Pharmaceutical Science and Technology, Kolkata, West Bengal, India
| | - Mayukh Das
- Guru Nanak Institute of Pharmaceutical Science and Technology, Kolkata, West Bengal, India
| | - Lotfi Aleya
- Chrono-Environment Laboratory, UMR CNRS 6249, Bourgogne Franche-Comté University, Besançon, France
| | - Simona Bungau
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, Oradea, Romania
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24
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Modulation of Prostanoids Profile and Counter-Regulation of SDF-1α/CXCR4 and VIP/VPAC2 Expression by Sitagliptin in Non-Diabetic Rat Model of Hepatic Ischemia-Reperfusion Injury. Int J Mol Sci 2021; 22:ijms222313155. [PMID: 34884960 PMCID: PMC8658172 DOI: 10.3390/ijms222313155] [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: 11/01/2021] [Revised: 11/27/2021] [Accepted: 12/04/2021] [Indexed: 11/16/2022] Open
Abstract
Molecular mechanisms underlying the beneficial effect of sitagliptin repurposed for hepatic ischemia-reperfusion injury (IRI) are poorly understood. We aimed to evaluate the impact of IRI and sitagliptin on the hepatic profile of eicosanoids (LC-MS/MS) and expression/concentration (RTqPCR/ELISA) of GLP-1/GLP-1R, SDF-1α/CXCR4 and VIP/VPAC1, VPAC2, and PAC1 in 36 rats. Animals were divided into four groups and subjected to ischemia (60 min) and reperfusion (24 h) with or without pretreatment with sitagliptin (5 mg/kg) (IR and SIR) or sham-operated with or without sitagliptin pretreatment (controls and sitagliptin). PGI2, PGE2, and 13,14-dihydro-PGE1 were significantly upregulated in IR but not SIR, while sitagliptin upregulated PGD2 and 15-deoxy-12,14-PGJ2. IR and sitagliptin non-significantly upregulated GLP-1 while Glp1r expression was borderline detectable. VIP concentration and Vpac2 expression were downregulated in IR but not SIR, while Vpac1 was significantly downregulated solely in SIR. IRI upregulated both CXCR4 expression and concentration, and sitagliptin pretreatment abrogated receptor overexpression and downregulated Sdf1. In conclusion, hepatic IRI is accompanied by an elevation in proinflammatory prostanoids and overexpression of CXCR4, combined with downregulation of VIP/VPAC2. Beneficial effects of sitagliptin during hepatic IRI might be mediated by drug-induced normalization of proinflammatory prostanoids and upregulation of PGD2 and by concomitant downregulation of SDF-1α/CXCR4 and reinstating VIP/VCAP2 signaling.
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25
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Meira de-Faria F, Casado-Bedmar M, Mårten Lindqvist C, Jones MP, Walter SA, Keita ÅV. Altered interaction between enteric glial cells and mast cells in the colon of women with irritable bowel syndrome. Neurogastroenterol Motil 2021; 33:e14130. [PMID: 33797165 DOI: 10.1111/nmo.14130] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Revised: 02/22/2021] [Accepted: 03/09/2021] [Indexed: 02/06/2023]
Abstract
BACKGROUND Enteric glial cells (EGC) and mast cells (MC) are intimately associated with gastrointestinal physiological functions. We aimed to investigate EGC-MC interaction in irritable bowel syndrome (IBS), a gut-brain disorder linked to increased intestinal permeability, and MC. METHODS Parallel approaches were used to quantify EGC markers in colonic biopsies from healthy controls (HC) and patients with IBS. Data were correlated with MC, vasoactive intestinal polypeptide (VIP) and VIP receptors (VPAC1/VPAC2) expressions, and bacterial translocation through biopsies mounted in Ussing chambers. In addition, we investigated the effects of EGC mediators on colonic permeability and the pharmacological-induced responses of EGC and MC cell lines. KEY RESULTS Immunofluorescence of IBS colonic mucosa, as well as Western blotting and ELISA of IBS biopsy lysates, revealed increased glial fibrillary intermediate filament (GFAP) expression, indicating EGC activation. Mucosal GFAP correlated with increased MC and VPAC1+ MC numbers and decreased VIP+ MC, which seemed to control bacterial translocation in HC. In the contrary, EGC activation in IBS correlated with less MC and VPAC1+ MC numbers, and more VIP+ MC. In vitro, MC and EGC cell lines showed intracellular calcium responses to each other's mediators. Furthermore, EGC mediators prevented VIP-induced MC degranulation, while MC mediators induced a reactive EGC phenotype. In Ussing chambers, EGC mediators decreased paracellular passage through healthy colonic biopsies. CONCLUSIONS & INFERENCES Findings suggest the involvement of EGC and MC in the control of barrier function in the human colon and indicate a potential EGC-MC interaction that seems altered in IBS, with detrimental consequences to colonic permeability. Altogether, results suggest that imbalanced EGC-MC communication contributes to the pathophysiology of IBS.
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Affiliation(s)
- Felipe Meira de-Faria
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Maite Casado-Bedmar
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Carl Mårten Lindqvist
- Department of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
| | | | - Susanna A Walter
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden.,Department of Gastroenterology, Linköping University, Linköping, Sweden
| | - Åsa V Keita
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
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26
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Leceta J, Garin MI, Conde C. Mechanism of Immunoregulatory Properties of Vasoactive Intestinal Peptide in the K/BxN Mice Model of Autoimmune Arthritis. Front Immunol 2021; 12:701862. [PMID: 34335612 PMCID: PMC8322839 DOI: 10.3389/fimmu.2021.701862] [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: 04/28/2021] [Accepted: 06/25/2021] [Indexed: 11/13/2022] Open
Abstract
The K/BxN mouse model of rheumatoid arthritis (RA) closely resembles the human disease. In this model, arthritis results from activation of autoreactive KRN T cells recognizing the glycolytic enzyme glucose-6-phosphate isomerase (GPI) autoantigen, which provides help to GPI-specific B cells, resulting in the production of pathogenic anti-GPI antibodies that ultimately leads to arthritis symptoms from 4 weeks of age. Vasoactive intestinal peptide (VIP) is a neuropeptide broadly distributed in the central and peripheral nervous system that is also expressed in lymphocytes and other immune cell types. VIP is a modulator of innate and adaptive immunity, showing anti-inflammatory and immunoregulatory properties. Basically, this neuropeptide promotes a shift in the Th1/Th2 balance and enhances dedifferentiation of T regulatory cells (Treg). It has demonstrated its therapeutic effects on the collagen-induced arthritis (CIA) mouse model of RA. In the present hypothesis and theory article, we propose that the immunoregulatory properties of VIP may be due likely to the inhibition of T cell plasticity toward non-classic Th1 cells and an enhanced follicular regulatory T cells (Tfr) activity. The consequences of these regulatory properties are the reduction of systemic pathogenic antibody titers.
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Affiliation(s)
- Javier Leceta
- Department of Cell Biology, Faculty of Biology, Complutense University of Madrid, Madrid, Spain
| | - Marina I Garin
- Division of Hematopoietic Innovative Therapies, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT) and Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBER-ER), Madrid, Spain.,Advanced Therapy Unit, Instituto de Investigación Sanitaria Fundación Jiménez Díaz (IIS-FJD/UAM), Madrid, Spain
| | - Carmen Conde
- Laboratorio de Reumatología Experimental y Observacional, Instituto de Investigación Sanitaria de Santiago (IDIS), Hospital Clínico Universitario de Santiago de Compostela (CHUS), SERGAS, Santiago de Compostela, Spain
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27
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de Souza FRO, Ribeiro FM, Lima PMD. Implications of VIP and PACAP in Parkinson's Disease: What do we Know So Far? Curr Med Chem 2021; 28:1703-1715. [PMID: 32196442 DOI: 10.2174/0929867327666200320162436] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Revised: 01/30/2020] [Accepted: 02/03/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Parkinson's disease is one of the most common neurodegenerative disorders and although its aetiology is not yet fully understood, neuroinflammation has been identified as a key factor in the progression of the disease. Vasoactive intestinal peptide and pituitary adenylate-cyclase activating polypeptide are two neuropeptides that exhibit anti-inflammatory and neuroprotective properties, modulating the production of cytokines and chemokines and the behaviour of immune cells. However, the role of chemokines and cytokines modulated by the endogenous receptors of the peptides varies according to the stage of the disease. METHODS We present an overview of the relationship between some cytokines and chemokines with vasoactive intestinal peptide, pituitary adenylate cyclase activating polypeptide and their endogenous receptors in the context of Parkinson's disease neuroinflammation and oxidative stress, as well as the modulation of microglial cells by the peptides in this context. RESULTS The two peptides exhibit neuroprotective and anti-inflammatory properties in models of Parkinson's disease, as they ameliorate cognitive functions, decrease the level of neuroinflammation and promote dopaminergic neuronal survival. The peptides have been tested in a variety of in vivo and in vitro models of Parkinson's disease, demonstrating the potential for therapeutic application. CONCLUSION More studies are needed to establish the clinical use of vasoactive intestinal peptide and pituitary adenylate cyclase activating polypeptide as safe candidates for treating Parkinson's disease, as the use of the peptides in different stages of the disease could produce different results concerning effectiveness.
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Affiliation(s)
- Filipe Resende Oliveira de Souza
- Laboratory of Immunology and Microbiology, Department of Natural Sciences, Federal University of Sao Joao Del Rei, Praca Dom Helvecio, n. 74, Fabricas, 36301160, Sao Joao Del Rei, MG, Brazil
| | - Fabiola Mara Ribeiro
- Laboratory of Neurobiochemistry, Department of Biochemistry and Immunology, Federal University of Minas Gerais, MG, Brazil
| | - Patrícia Maria d'Almeida Lima
- Laboratory of Immunology and Microbiology, Department of Natural Sciences, Federal University of Sao Joao Del Rei, Praca Dom Helvecio, n. 74, Fabricas, 36301160, Sao Joao Del Rei, MG, Brazil
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Cunha-Reis D, Caulino-Rocha A, Correia-de-Sá P. VIPergic neuroprotection in epileptogenesis: challenges and opportunities. Pharmacol Res 2021; 164:105356. [DOI: 10.1016/j.phrs.2020.105356] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 11/28/2020] [Accepted: 11/29/2020] [Indexed: 12/19/2022]
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Southey BR, Zhang P, Keever MR, Rymut HE, Johnson RW, Sweedler JV, Rodriguez-Zas SL. Effects of maternal immune activation in porcine transcript isoforms of neuropeptide and receptor genes. J Integr Neurosci 2021; 20:21-31. [PMID: 33834688 PMCID: PMC8103820 DOI: 10.31083/j.jin.2021.01.332] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 12/11/2020] [Accepted: 02/09/2021] [Indexed: 12/17/2022] Open
Abstract
The prolonged effects of maternal immune activation in response stressors during gestation on the offspring's molecular pathways after birth are beginning to be understood. An association between maternal immune activation and neurodevelopmental and behavior disorders such as autism and schizophrenia spectrum disorders has been detected in long-term gene dysregulation. The incidence of alternative splicing among neuropeptides and neuropeptide receptor genes, critical cell-cell signaling molecules, associated with behavior may compromise the replicability of reported maternal immune activation effects at the gene level. This study aims to advance the understanding of the effect of maternal immune activation on transcript isoforms of the neuropeptide system (including neuropeptide, receptor and connecting pathway genes) underlying behavior disorders later in life. Recognizing the wide range of bioactive peptides and functional receptors stemming from alternative splicing, we studied the effects of maternal immune activation at the transcript isoform level on the hippocampus and amygdala of three-week-old pigs exposed to maternal immune activation due to viral infection during gestation. In the hippocampus and amygdala, 29 and 9 transcript isoforms, respectively, had maternal immune activation effects (P-value < 0.01). We demonstrated that the study of the effect of maternal immune activation on neuropeptide systems at the isoform level is necessary to expose opposite effects among transcript isoforms from the same gene. Genes were maternal immune activation effects have also been associated with neurodevelopmental and behavior disorders. The characterization of maternal immune activation effects at the transcript isoform level advances the understanding of neurodevelopmental disorders and identifies precise therapeutic targets.
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Affiliation(s)
- Bruce R Southey
- Department of Animal Sciences, University of Illinois at Urbana-Champaign, Urbana, 61801 IL, USA
| | - Pan Zhang
- Illinois Informatics Institute, University of Illinois at Urbana-Champaign, Urbana, 61801 IL, USA
| | - Marissa R Keever
- Department of Animal Sciences, University of Illinois at Urbana-Champaign, Urbana, 61801 IL, USA
| | - Haley E Rymut
- Department of Animal Sciences, University of Illinois at Urbana-Champaign, Urbana, 61801 IL, USA
| | - Rodney W Johnson
- Department of Animal Sciences, University of Illinois at Urbana-Champaign, Urbana, 61801 IL, USA.,Neuroscience Program, University of Illinois at Urbana-Champaign, Urbana, 61801 IL, USA
| | - Jonathan V Sweedler
- Neuroscience Program, University of Illinois at Urbana-Champaign, Urbana, 61801 IL, USA.,Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, 61801 IL, USA
| | - Sandra L Rodriguez-Zas
- Department of Animal Sciences, University of Illinois at Urbana-Champaign, Urbana, 61801 IL, USA.,Illinois Informatics Institute, University of Illinois at Urbana-Champaign, Urbana, 61801 IL, USA.,Neuroscience Program, University of Illinois at Urbana-Champaign, Urbana, 61801 IL, USA.,Department of Statistics, University of Illinois at Urbana-Champaign, Urbana, 61801 IL, USA
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New drug targets for hypertension: A literature review. Biochim Biophys Acta Mol Basis Dis 2020; 1867:166037. [PMID: 33309796 DOI: 10.1016/j.bbadis.2020.166037] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 11/18/2020] [Accepted: 11/20/2020] [Indexed: 02/06/2023]
Abstract
Hypertension is one of the most prevalent cardiovascular diseases worldwide. However, in the population of resistant hypertension, blood pressure is difficult to control effectively. Moreover, antihypertensive drugs may have adverse effect currently. Hence, new therapeutic targets and treatments are needed to uncovered and exploited to control hypertension and its comorbidities. In the past, classical drug targets, such as the aldosterone receptor, aldosterone synthase, and ACE2/angiotensin 1-7/Mas receptor axis, have been investigated. Recently, vaccines and drugs targeting the gastrointestinal microbiome, which represent drug classes, have also been investigated for the management of blood pressure. In this review, we summarized current knowledge on classical and new drug targets and discussed the potential utility of new drugs in the treatment of hypertension.
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Comparative Study of Senescent Th Biomarkers in Healthy Donors and Early Arthritis Patients. Analysis of VPAC Receptors and Their Influence. Cells 2020; 9:cells9122592. [PMID: 33291545 PMCID: PMC7761848 DOI: 10.3390/cells9122592] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 12/01/2020] [Accepted: 12/03/2020] [Indexed: 02/07/2023] Open
Abstract
Pro-inflammatory CD4+CD28− T cells are characteristic of immunosenescence, but also of several autoimmune/inflammatory diseases. Vasoactive intestinal peptide (VIP) acts as an anti-inflammatory and immunomodulatory mediator on these cells. Our objective was to study the mutual influence between senescent Th cells and VIP axis in early arthritis (EA), comparing with non-EA donors. We characterized the correlation between senescent Th cells and clinic parameters of EA as well as the behavior of senescent Th biomarkers by real-time PCR. Clinical data were systematically recorded at baseline and after 6 months of follow-up. The number of CD4+CD28− T cells measured by sorting is higher in patients who initially meet ACR classification criteria for rheumatoid arthritis (RA) compared to those who were classified as undifferentiated arthritis (UA). A slight positive correlation between EA CD4+CD28− T cells and CRP or ESR and a negative correlation with bone mineral density were found. Th senescent biomarkers in EA CD4+CD28− T cells were similar to donors, however some of them increased after 6 months of follow-up. VPAC receptors were analyzed by real-time PCR and immunofluorescence, and CD4+CD28− T cells showed higher expression of VPAC2 and lower of VPAC1, VPAC2 showing a significant increased expression in EA cells. Sorted CD4+CD28− T cells were in vitro expanded in presence of VIP, wherein VIP increased senescent biomarker CD27, while it diminished CD57 or NKG2 senescent biomarkers. Our study demonstrates for the first time the existence of a link between senescent Th cells and the VIP axis.
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Morales-Ledesma L, Trujillo Hernández A, Ramírez MI, Rosas G, Linares R. Administration of a VIP-antagonist in vivo modifies ovarian hormone secretion in a rat model with polycystic ovary syndrome. Life Sci 2020; 265:118792. [PMID: 33220286 DOI: 10.1016/j.lfs.2020.118792] [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: 06/22/2020] [Revised: 11/06/2020] [Accepted: 11/16/2020] [Indexed: 10/23/2022]
Abstract
AIMS In the cyclic rat in estrus, the vasoactive intestinal peptide (VIP) has an impact on ovarian function, which depends on the endocrine status of the animal. In this work, we aimed to clarify the participation of VIP in the pathophysiological condition of polycystic ovary syndrome (PCOS) using a model of PCOS induced by estradiol valerate (EV-PCOS) in rats. MAIN METHODS In the cyclic rat in estrus and in the EV-PCOS model, we analyzed the acute effects of blocking VIP receptors with the use of an antagonist (Ant-VIP) injected into the left or right ovarian bursa on the steroidogenic response and ovarian catecholamine levels. KEY FINDINGS In the cyclic animal in estrus, the treatment with Ant-VIP in the left ovarian bursa resulted in a reduction in testosterone serum levels and in ovarian levels of dopamine and 3,4-dihydroxyphenylacetic acid (DOPAC), without changes in 4-hydroxy-3-methoxyphenyl (MHPG) and norepinephrine (NE). When the treatment was applied on the right side, only MHPG levels increased. In the EV-PCOS model, the treatment with Ant-VIP in the left ovarian bursa increased testosterone, estradiol, MHPG, and NE levels. When the treatment was performed on the right side, progesterone levels decreased and estradiol increased, without changes in ovarian catecholamines. SIGNIFICANCE The binding of VIP to its receptors differentially regulates steroidogenesis in the cyclic animal in estrus and in the EV-PCOS model. The blocking of VIP signaling produces changes in ovarian catecholamines.
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Affiliation(s)
- Leticia Morales-Ledesma
- Laboratorio de Fisiología Reproductiva, de la Unidad de Investigación en Biología de la Reproducción, Facultad de Estudios Superiores Zaragoza, UNAM, México City, Mexico.
| | | | - María Isabel Ramírez
- Laboratorio de Fisiología Reproductiva, de la Unidad de Investigación en Biología de la Reproducción, Facultad de Estudios Superiores Zaragoza, UNAM, México City, Mexico
| | - Gabriela Rosas
- Laboratorio de Fisiología Reproductiva, de la Unidad de Investigación en Biología de la Reproducción, Facultad de Estudios Superiores Zaragoza, UNAM, México City, Mexico
| | - Rosa Linares
- Laboratorio de Fisiología Reproductiva, de la Unidad de Investigación en Biología de la Reproducción, Facultad de Estudios Superiores Zaragoza, UNAM, México City, Mexico
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Couvineau A, Gomariz RP, Tan YV. Editorial: GPCR in Inflammatory and Cancer Diseases. Front Endocrinol (Lausanne) 2020; 11:588157. [PMID: 33101216 PMCID: PMC7545348 DOI: 10.3389/fendo.2020.588157] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Accepted: 08/17/2020] [Indexed: 02/05/2023] Open
Affiliation(s)
- Alain Couvineau
- INSERM UMR1149/Inflammation Research Center (CRI), Team “From Inflammation to Cancer in Digestive Diseases” Labeled by “la Ligue Nationale contre le Cancer”, University of Paris, DHU UNITY, Paris, France
| | - Rosa P. Gomariz
- Department of Cell Biology, Faculty of Biology and Medicine, Complutense University of Madrid, Madrid, Spain
| | - Yossan-Var Tan
- University of Rouen Normandy, INSERM U1234 PANTHER, IRIB, Rouen University Hospital, Department of Immunology and Biotherapy, Rouen, France
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Hoffmann J, Miller S, Martins-Oliveira M, Akerman S, Supronsinchai W, Sun H, Shi L, Wang J, Zhu D, Lehto S, Liu H, Yin R, Moyer BD, Xu C, Goadsby PJ. PAC1 receptor blockade reduces central nociceptive activity: new approach for primary headache? Pain 2020; 161:1670-1681. [PMID: 32142016 PMCID: PMC7302332 DOI: 10.1097/j.pain.0000000000001858] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2019] [Revised: 01/13/2020] [Accepted: 01/31/2020] [Indexed: 11/26/2022]
Abstract
Pituitary adenylate cyclase activating polypeptide-38 (PACAP38) may play an important role in primary headaches. Preclinical evidence suggests that PACAP38 modulates trigeminal nociceptive activity mainly through PAC1 receptors while clinical studies report that plasma concentrations of PACAP38 are elevated in spontaneous attacks of cluster headache and migraine and normalize after treatment with sumatriptan. Intravenous infusion of PACAP38 induces migraine-like attacks in migraineurs and cluster-like attacks in cluster headache patients. A rodent-specific PAC1 receptor antibody Ab181 was developed, and its effect on nociceptive neuronal activity in the trigeminocervical complex was investigated in vivo in an electrophysiological model relevant to primary headaches. Ab181 is potent and selective at the rat PAC1 receptor and provides near-maximum target coverage at 10 mg/kg for more than 48 hours. Without affecting spontaneous neuronal activity, Ab181 effectively inhibits stimulus-evoked activity in the trigeminocervical complex. Immunohistochemical analysis revealed its binding in the trigeminal ganglion and sphenopalatine ganglion but not within the central nervous system suggesting a peripheral site of action. The pharmacological approach using a specific PAC1 receptor antibody could provide a novel mechanism with a potential clinical efficacy in the treatment of primary headaches.
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Affiliation(s)
- Jan Hoffmann
- Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, United Kingdom
- Department of Neurology, UCSF Headache Group, University of California, San Francisco, San Francisco, CA, United States. Dr. Akerman is now with the Department of Neural and Pain Sciences, University of Maryland Baltimore, Baltimore, MD, United States
| | - Silke Miller
- Department of Neuroscience, Amgen, Inc, Thousand Oaks, CA, United States
| | - Margarida Martins-Oliveira
- Department of Neurology, UCSF Headache Group, University of California, San Francisco, San Francisco, CA, United States. Dr. Akerman is now with the Department of Neural and Pain Sciences, University of Maryland Baltimore, Baltimore, MD, United States
| | - Simon Akerman
- Department of Neurology, UCSF Headache Group, University of California, San Francisco, San Francisco, CA, United States. Dr. Akerman is now with the Department of Neural and Pain Sciences, University of Maryland Baltimore, Baltimore, MD, United States
| | - Weera Supronsinchai
- Department of Neurology, UCSF Headache Group, University of California, San Francisco, San Francisco, CA, United States. Dr. Akerman is now with the Department of Neural and Pain Sciences, University of Maryland Baltimore, Baltimore, MD, United States
| | - Hong Sun
- Department of Neuroscience, Amgen, Inc, Thousand Oaks, CA, United States
| | - Licheng Shi
- Department of Neuroscience, Amgen, Inc, Thousand Oaks, CA, United States
| | - Judy Wang
- Department of Neuroscience, Amgen, Inc, Thousand Oaks, CA, United States
| | - Dawn Zhu
- Department of Neuroscience, Amgen, Inc, Thousand Oaks, CA, United States
| | - Sonya Lehto
- Department of Neuroscience, Amgen, Inc, Thousand Oaks, CA, United States
| | - Hantao Liu
- Department of Neuroscience, Amgen, Inc, Thousand Oaks, CA, United States
| | - Ruoyuan Yin
- Department of Neuroscience, Amgen, Inc, Thousand Oaks, CA, United States
| | - Bryan D. Moyer
- Department of Neuroscience, Amgen, Inc, Thousand Oaks, CA, United States
| | - Cen Xu
- Department of Neuroscience, Amgen, Inc, Thousand Oaks, CA, United States
| | - Peter J. Goadsby
- Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, United Kingdom
- Department of Neurology, UCSF Headache Group, University of California, San Francisco, San Francisco, CA, United States. Dr. Akerman is now with the Department of Neural and Pain Sciences, University of Maryland Baltimore, Baltimore, MD, United States
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Vasoactive Intestinal Polypeptide in the Carotid Body-A History of Forty Years of Research. A Mini Review. Int J Mol Sci 2020; 21:ijms21134692. [PMID: 32630153 PMCID: PMC7370131 DOI: 10.3390/ijms21134692] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 06/29/2020] [Accepted: 06/30/2020] [Indexed: 12/18/2022] Open
Abstract
Vasoactive intestinal polypeptide (VIP) consists of 28 amino acid residues and is widespread in many internal organs and systems. Its presence has also been found in the nervous structures supplying the carotid body not only in mammals but also in birds and amphibians. The number and distribution of VIP in the carotid body clearly depends on the animal species studied; however, among all the species, this neuropeptide is present in nerve fibers around blood vessels and between glomus cell clusters. It is also known that the number of nerves containing VIP located in the carotid body may change under various pathological and physiological factors. The knowledge concerning the functioning of VIP in the carotid body is relatively limited. It is known that VIP may impact the glomus type I cells, causing changes in their spontaneous discharge, but the main impact of VIP on the carotid body is probably connected with the vasodilatory effects of this peptide and its influence on blood flow and oxygen delivery. This review is a concise summary of forty years of research concerning the distribution of VIP in the carotid body.
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Pellesi L, Al-Karagholi MAM, Chaudhry BA, Lopez CL, Snellman J, Hannibal J, Amin FM, Ashina M. Two-hour infusion of vasoactive intestinal polypeptide induces delayed headache and extracranial vasodilation in healthy volunteers. Cephalalgia 2020; 40:1212-1223. [PMID: 32594760 DOI: 10.1177/0333102420937655] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
BACKGROUND In recent years, vasoactive intestinal peptide (VIP) and pituitary adenylate cyclase-activating polypeptides (PACAPs) have gained special interest in headache science. VIP and PACAPs (two isoforms, PACAP27 and PACAP38) are related in structure and function, as are their receptors, but they show differences in vasodilating- and headache-inducing properties. Intravenous infusion of PACAP27 or PACAP38, but not VIP, induces a long-lasting dilation of cranial arteries and delayed headache. The relationship between the long-lasting cranial vasodilation and headache development is not fully clarified. METHODS In a double-blinded, placebo-controlled, crossover study in 12 healthy volunteers, diameter changes of cranial arteries, occurrence of headache and the parasympathetic system were examined before, during and after a 2-hour continuous intravenous infusion of VIP and placebo. Primary endpoints were the differences in area under the curve for the superficial temporal artery diameter and headache intensity scores, as well as in headache incidence, between VIP and placebo. RESULTS The superficial temporal artery diameter was significantly larger on the VIP day compared to placebo (p < 0.001) and the dilation lasted for more than 2 h. The incidence of headache was higher (p = 0.003) on the VIP day compared to the placebo day. The difference in headache intensity scores was more evident in the post-infusion period (120-200 min, p = 0.034) and in the post-hospital phase (4-12 h, p = 0.025). Cranial parasympathetic activity, measured through the production of tears, was higher during VIP compared to placebo (p = 0.033). CONCLUSION Continuous intravenous infusion of VIP over 2 h induced a long-lasting cranial vasodilation, activation of the cranial parasympathetic system, and delayed mild headaches in healthy volunteers.Trial Registration: The study is registered at ClinicalTrials.gov (NCT03989817).
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Affiliation(s)
- Lanfranco Pellesi
- Danish Headache Center, Department of Neurology, Rigshospitalet Glostrup Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Mohammad Al-Mahdi Al-Karagholi
- Danish Headache Center, Department of Neurology, Rigshospitalet Glostrup Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Basit Ali Chaudhry
- Danish Headache Center, Department of Neurology, Rigshospitalet Glostrup Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | | | | | - Jens Hannibal
- Department of Clinical Biochemistry, Bispebjerg Frederiksberg Hospital, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Faisal Mohammad Amin
- Danish Headache Center, Department of Neurology, Rigshospitalet Glostrup Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Messoud Ashina
- Danish Headache Center, Department of Neurology, Rigshospitalet Glostrup Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
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Li S, Fan Q, Xie Y, Lin H, Qiu Q, Liang Y, Zhang Q. VIP activates primordial follicles of rat through ERK-mTOR pathway in tissue culture. Reproduction 2020; 157:475-484. [PMID: 30817320 PMCID: PMC6433003 DOI: 10.1530/rep-18-0466] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2018] [Accepted: 02/26/2019] [Indexed: 12/23/2022]
Abstract
In vitro activation of primordial follicles is becoming more essential in assisted reproductive technologies. Vasoactive intestinal peptide (VIP) is one of the members of the neurotrophin family which has demonstrated to have an impact on follicle development in recent years. This study aims to investigate the effect of VIP on the activation of primordial follicles in neonatal rat in an in vitro culture system and to determine the relevant molecular mechanism of their activation. Ovaries of 4-day-old rats were examined for the expression of VIP receptors and were cultured in mediums containing VIP with or without inhibitors of the ERK–mTOR signalling pathway. They were then collected for histological analysis or measurement of the molecular expression of this pathway. The receptors of VIP were found in granular cells and oocytes of primordial and early-growing follicles in neonatal ovary. The ratio of growing follicle increased in the presence VIP at different concentrations, with the highest level of increase being observed in the 10−7 mol/L VIP-treated group. The ratio of PCNA-positive granular cells was also increased, while that of the apoptotic oocytes were decreased, and protein analysis showed increased phosphorylation of ERK1/2, mTOR and RPS6 in the VIP-treated group. However, the effect of VIP on the activation of primordial follicle became insignificant with the addition of MEK inhibitor (U0126) or mTORC1 inhibitor (rapamycin). This study indicated that VIP could activate neonatal rat primordial follicle through the ERK-mTOR signalling pathway, suggesting a strategy for in vitro primordial follicle recruitment.
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Affiliation(s)
- Song Li
- Department of Obstetrics and Gynaecology, IVF Centre, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Qi Fan
- Department of Obstetrics and Gynaecology, IVF Centre, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Yanqiu Xie
- Department of Obstetrics and Gynaecology, IVF Centre, Guangdong General Hospital, Guangzhou, China
| | - Haiyan Lin
- Department of Obstetrics and Gynaecology, IVF Centre, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Qi Qiu
- Department of Obstetrics and Gynaecology, IVF Centre, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Yihua Liang
- Department of Obstetrics and Gynaecology, IVF Centre, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Qingxue Zhang
- Department of Obstetrics and Gynaecology, IVF Centre, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Malignant Tumour Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
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Sandoval-Talamantes AK, Gómez-González BA, Uriarte-Mayorga DF, Martínez-Guzman MA, Wheber-Hidalgo KA, Alvarado-Navarro A. Neurotransmitters, neuropeptides and their receptors interact with immune response in healthy and psoriatic skin. Neuropeptides 2020; 79:102004. [PMID: 31902596 DOI: 10.1016/j.npep.2019.102004] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2019] [Revised: 12/22/2019] [Accepted: 12/22/2019] [Indexed: 02/06/2023]
Abstract
Psoriasis is a chronic inflammatory disease with a multifactorial origin that affects the skin. It is characterized by keratinocyte hyperproliferation, which results in erythemato-squamous plaques. Just as the immune system plays a fundamental role in psoriasis physiopathology, the nervous system maintains the inflammatory process through the neuropeptides and neurotransmitters synthesis, as histamine, serotonin, calcitonin gene-related peptide, nerve growth factor, vasoactive intestinal peptide, substance P, adenosine, glucagon-like peptide, somatostatin and pituitary adenylate cyclase polypeptide. In patients with psoriasis, the systemic or in situ expression of these chemical mediators and their receptors are altered, which affects the clinical activity of patients due to its link to the immune system, provoking neurogenic inflammation. It is important to establish the role of the nervous system since it could represent a therapeutic alternative for psoriasis patients. The aim of this review is to offer a detailed review of the current literature about the neuropeptides and neurotransmitters involved in the physiopathology of psoriasis.
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Affiliation(s)
- Ana Karen Sandoval-Talamantes
- Centro de Reabilitación Infantil Teletón de Occidente, Copal 4575, Col. Arboledas del Sur, 44980 Guadalajara, Jalisco, México
| | - B A Gómez-González
- Instituto Dermatológico de Jalisco "Dr. José Barba Rubio", Av. Federalismo Norte 3102, Col. Atemajac del Valle, 45190 Zapopan, Jalisco, México
| | - D F Uriarte-Mayorga
- Instituto Dermatológico de Jalisco "Dr. José Barba Rubio", Av. Federalismo Norte 3102, Col. Atemajac del Valle, 45190 Zapopan, Jalisco, México
| | - M A Martínez-Guzman
- Unima Diagnósticos de México, Paseo de los Mosqueteros 4181, Col. Villa Universitaria, 45110 Zapopan, Jalisco, México
| | - Katia Alejandra Wheber-Hidalgo
- Instituto Dermatológico de Jalisco "Dr. José Barba Rubio", Av. Federalismo Norte 3102, Col. Atemajac del Valle, 45190 Zapopan, Jalisco, México
| | - Anabell Alvarado-Navarro
- Centro de Investigación en Inmunología y dermatología, Universidad de Guadalajara, México, Sierra Mojada 950, Col. Independencia, 44340, Guadalajara, Jalisco, México.
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Martínez C, Juarranz Y, Gutiérrez-Cañas I, Carrión M, Pérez-García S, Villanueva-Romero R, Castro D, Lamana A, Mellado M, González-Álvaro I, Gomariz RP. A Clinical Approach for the Use of VIP Axis in Inflammatory and Autoimmune Diseases. Int J Mol Sci 2019; 21:E65. [PMID: 31861827 PMCID: PMC6982157 DOI: 10.3390/ijms21010065] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Revised: 12/16/2019] [Accepted: 12/18/2019] [Indexed: 12/11/2022] Open
Abstract
The neuroendocrine and immune systems are coordinated to maintain the homeostasis of the organism, generating bidirectional communication through shared mediators and receptors. Vasoactive intestinal peptide (VIP) is the paradigm of an endogenous neuropeptide produced by neurons and endocrine and immune cells, involved in the control of both innate and adaptive immune responses. Exogenous administration of VIP exerts therapeutic effects in models of autoimmune/inflammatory diseases mediated by G-protein-coupled receptors (VPAC1 and VPAC2). Currently, there are no curative therapies for inflammatory and autoimmune diseases, and patients present complex diagnostic, therapeutic, and prognostic problems in daily clinical practice due to their heterogeneous nature. This review focuses on the biology of VIP and VIP receptor signaling, as well as its protective effects as an immunomodulatory factor. Recent progress in improving the stability, selectivity, and effectiveness of VIP/receptors analogues and new routes of administration are highlighted, as well as important advances in their use as biomarkers, contributing to their potential application in precision medicine. On the 50th anniversary of VIP's discovery, this review presents a spectrum of potential clinical benefits applied to inflammatory and autoimmune diseases.
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Affiliation(s)
- Carmen Martínez
- Departamento de Biología Celular, Facultad de Biología y Facultad de Medicina, Universidad Complutense de Madrid, 28040 Madrid, Spain; (Y.J.); (I.G.-C.); (M.C.); (S.P.-G.); (R.V.-R.); (D.C.); (A.L.); (R.P.G.)
| | - Yasmina Juarranz
- Departamento de Biología Celular, Facultad de Biología y Facultad de Medicina, Universidad Complutense de Madrid, 28040 Madrid, Spain; (Y.J.); (I.G.-C.); (M.C.); (S.P.-G.); (R.V.-R.); (D.C.); (A.L.); (R.P.G.)
| | - Irene Gutiérrez-Cañas
- Departamento de Biología Celular, Facultad de Biología y Facultad de Medicina, Universidad Complutense de Madrid, 28040 Madrid, Spain; (Y.J.); (I.G.-C.); (M.C.); (S.P.-G.); (R.V.-R.); (D.C.); (A.L.); (R.P.G.)
| | - Mar Carrión
- Departamento de Biología Celular, Facultad de Biología y Facultad de Medicina, Universidad Complutense de Madrid, 28040 Madrid, Spain; (Y.J.); (I.G.-C.); (M.C.); (S.P.-G.); (R.V.-R.); (D.C.); (A.L.); (R.P.G.)
| | - Selene Pérez-García
- Departamento de Biología Celular, Facultad de Biología y Facultad de Medicina, Universidad Complutense de Madrid, 28040 Madrid, Spain; (Y.J.); (I.G.-C.); (M.C.); (S.P.-G.); (R.V.-R.); (D.C.); (A.L.); (R.P.G.)
| | - Raúl Villanueva-Romero
- Departamento de Biología Celular, Facultad de Biología y Facultad de Medicina, Universidad Complutense de Madrid, 28040 Madrid, Spain; (Y.J.); (I.G.-C.); (M.C.); (S.P.-G.); (R.V.-R.); (D.C.); (A.L.); (R.P.G.)
| | - David Castro
- Departamento de Biología Celular, Facultad de Biología y Facultad de Medicina, Universidad Complutense de Madrid, 28040 Madrid, Spain; (Y.J.); (I.G.-C.); (M.C.); (S.P.-G.); (R.V.-R.); (D.C.); (A.L.); (R.P.G.)
| | - Amalia Lamana
- Departamento de Biología Celular, Facultad de Biología y Facultad de Medicina, Universidad Complutense de Madrid, 28040 Madrid, Spain; (Y.J.); (I.G.-C.); (M.C.); (S.P.-G.); (R.V.-R.); (D.C.); (A.L.); (R.P.G.)
| | - Mario Mellado
- Departamento de Inmunología y Oncología, Centro Nacional de Biotecnología (CNB)/CSIC, 28049 Madrid, Spain;
| | - Isidoro González-Álvaro
- Servicio de Reumatología, Instituto de Investigación Médica, Hospital Universitario La Princesa, 28006 Madrid, Spain;
| | - Rosa P. Gomariz
- Departamento de Biología Celular, Facultad de Biología y Facultad de Medicina, Universidad Complutense de Madrid, 28040 Madrid, Spain; (Y.J.); (I.G.-C.); (M.C.); (S.P.-G.); (R.V.-R.); (D.C.); (A.L.); (R.P.G.)
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Kytikova OY, Novgorodtseva TP, Antonyuk MV, Gvozdenko TA. The role of regulatory neuropeptides and neurotrophic factors in asthma pathophysiology. RUSSIAN OPEN MEDICAL JOURNAL 2019. [DOI: 10.15275/rusomj.2019.0402] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
In the last decade, the attention of scientists in the field of biomedicine is focused on studying the relationship between the immunological and neurogenic components of the inflammatory response and their contribution to the pathophysiology of allergic inflammation in asthma. The review is devoted to detailing the mechanism of neurogenic inflammation involving regulatory neuropeptides (substance P, vasoactive intestinal peptide, calcitonin gene-related peptide) in the pathogenesis of bronchial hyperreactivity in asthma. The role of neurotrophic growth factors (nerve growth factor, brain-derived neurotrophic factor) in the regulation of remodeling of bronchi in asthma has been analyzed. The study of neuroimmune mechanisms in the pathophysiology of asthma will it possible to find new therapeutic targets in this research area.
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Affiliation(s)
- Oxana Yu. Kytikova
- Scientific Research Institute of Medical Climatology and Rehabilitation Treatment
| | | | - Marina V. Antonyuk
- Scientific Research Institute of Medical Climatology and Rehabilitation Treatment
| | - Tatyana A. Gvozdenko
- Scientific Research Institute of Medical Climatology and Rehabilitation Treatment
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3D structure prediction of VAPC1 and identification of dual natural inhibitors for VPAC1 and EGFR. J Bioenerg Biomembr 2019; 51:89-102. [DOI: 10.1007/s10863-019-09790-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Accepted: 02/11/2019] [Indexed: 12/24/2022]
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Couvineau A, Voisin T, Nicole P, Gratio V, Abad C, Tan YV. Orexins as Novel Therapeutic Targets in Inflammatory and Neurodegenerative Diseases. Front Endocrinol (Lausanne) 2019; 10:709. [PMID: 31695678 PMCID: PMC6817618 DOI: 10.3389/fendo.2019.00709] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Accepted: 10/02/2019] [Indexed: 02/05/2023] Open
Abstract
Orexins [orexin-A (OXA) and orexin-B (OXB)] are two isoforms of neuropeptides produced by the hypothalamus. The main biological actions of orexins, focused on the central nervous system, are to control the sleep/wake process, appetite and feeding, energy homeostasis, drug addiction, and cognitive processes. These effects are mediated by two G protein-coupled receptor (GPCR) subtypes named OX1R and OX2R. In accordance with the synergic and dynamic relationship between the nervous and immune systems, orexins also have neuroprotective and immuno-regulatory (i.e., anti-inflammatory) properties. The present review gathers recent data demonstrating that orexins may have a therapeutic potential in several pathologies with an immune component including multiple sclerosis, Alzheimer's disease, narcolepsy, obesity, intestinal bowel diseases, septic shock, and cancers.
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Affiliation(s)
- Alain Couvineau
- INSERM UMR1149/Inflammation Research Center (CRI), Team “From Inflammation to Cancer in Digestive Diseases” Labeled by “la Ligue Nationale Contre le Cancer”, University of Paris, Paris, France
- *Correspondence: Alain Couvineau
| | - Thierry Voisin
- INSERM UMR1149/Inflammation Research Center (CRI), Team “From Inflammation to Cancer in Digestive Diseases” Labeled by “la Ligue Nationale Contre le Cancer”, University of Paris, Paris, France
| | - Pascal Nicole
- INSERM UMR1149/Inflammation Research Center (CRI), Team “From Inflammation to Cancer in Digestive Diseases” Labeled by “la Ligue Nationale Contre le Cancer”, University of Paris, Paris, France
| | - Valérie Gratio
- INSERM UMR1149/Inflammation Research Center (CRI), Team “From Inflammation to Cancer in Digestive Diseases” Labeled by “la Ligue Nationale Contre le Cancer”, University of Paris, Paris, France
| | - Catalina Abad
- University of Rouen Normandy, INSERM U1234 PANTHER, IRIB, Rouen, France
| | - Yossan-Var Tan
- University of Rouen Normandy, INSERM U1234 PANTHER, IRIB, Rouen, France
- Yossan-Var Tan
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Gomariz RP, Juarranz Y, Carrión M, Pérez-García S, Villanueva-Romero R, González-Álvaro I, Gutiérrez-Cañas I, Lamana A, Martínez C. An Overview of VPAC Receptors in Rheumatoid Arthritis: Biological Role and Clinical Significance. Front Endocrinol (Lausanne) 2019; 10:729. [PMID: 31695683 PMCID: PMC6817626 DOI: 10.3389/fendo.2019.00729] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Accepted: 10/09/2019] [Indexed: 12/24/2022] Open
Abstract
The axis comprised by the Vasoactive Intestinal Peptide (VIP) and its G protein-coupled receptors (GPCRs), VPAC1, and VPAC2, belong to the B1 family and signal through Gs or Gq proteins. VPAC receptors seem to preferentially interact with Gs in inflammatory cells, rather than Gq, thereby stimulating adenylate cyclase activity. cAMP is able to trigger various downstream pathways, mainly the canonical PKA pathway and the non-canonical cAMP-activated guanine nucleotide exchange factor (EPAC) pathway. Classically, the presence of VPACs has been confined to the plasma membrane; however, VPAC1 location has been described in the nuclear membrane in several cell types such as activated Th cells, where they are also functional. VPAC receptor signaling modulates a number of biological processes by tipping the balance of inflammatory mediators in macrophages and other innate immune cells, modifying the expression of TLRs, and inhibiting MMPs and the expression of adhesion molecules. Receptor signaling also downregulates coagulation factors and acute-phase proteins, promotes Th2 over Th1, stimulates Treg abundance, and finally inhibits a pathogenic Th17 profile. Thus, the VIP axis signaling regulates both the innate and adaptive immune responses in several inflammatory/autoimmune diseases. Rheumatoid arthritis (RA) is a complex autoimmune disease that develops on a substrate of genetically susceptible individuals and under the influence of environmental factors, as well as epigenetic mechanisms. It is a heterogeneous disease with different pathogenic mechanisms and variable clinical forms between patients with the same diagnosis. The knowledge of VIP signaling generated in both animal models and human ex vivo studies can potentially be translated to clinical reality. Most recently, the beneficial effects of nanoparticles of VIP self-associated with sterically stabilized micelles have been reported in a murine model of RA. Another novel research area is beginning to define the receptors as biomarkers in RA, with their expression levels shown to be associated with the activity of the disease and patients-reported impairment. Therefore, VPAC expression together VIP genetic variants could allow patients to be stratified at the beginning of the disease with the purpose of guiding personalized treatment decisions.
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Affiliation(s)
- Rosa P. Gomariz
- Departamento de Biología Celular, Facultad de Biología y Facultad de Medicina, Universidad Complutense de Madrid, Madrid, Spain
- *Correspondence: Rosa P. Gomariz
| | - Yasmina Juarranz
- Departamento de Biología Celular, Facultad de Biología y Facultad de Medicina, Universidad Complutense de Madrid, Madrid, Spain
| | - Mar Carrión
- Departamento de Biología Celular, Facultad de Biología y Facultad de Medicina, Universidad Complutense de Madrid, Madrid, Spain
| | - Selene Pérez-García
- Departamento de Biología Celular, Facultad de Biología y Facultad de Medicina, Universidad Complutense de Madrid, Madrid, Spain
| | - Raúl Villanueva-Romero
- Departamento de Biología Celular, Facultad de Biología y Facultad de Medicina, Universidad Complutense de Madrid, Madrid, Spain
| | - Isidoro González-Álvaro
- Servicio de Reumatología, Hospital Universitario de la Princesa, Instituto de Investigación Sanitaria la Princesa (IIS-IP), Madrid, Spain
| | - Irene Gutiérrez-Cañas
- Departamento de Biología Celular, Facultad de Biología y Facultad de Medicina, Universidad Complutense de Madrid, Madrid, Spain
| | - Amalia Lamana
- Departamento de Biología Celular, Facultad de Biología y Facultad de Medicina, Universidad Complutense de Madrid, Madrid, Spain
- Servicio de Reumatología, Hospital Universitario de la Princesa, Instituto de Investigación Sanitaria la Princesa (IIS-IP), Madrid, Spain
| | - Carmen Martínez
- Departamento de Biología Celular, Facultad de Biología y Facultad de Medicina, Universidad Complutense de Madrid, Madrid, Spain
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44
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Carmona-Alcocer V, Rohr KE, Joye DAM, Evans JA. Circuit development in the master clock network of mammals. Eur J Neurosci 2018; 51:82-108. [PMID: 30402923 DOI: 10.1111/ejn.14259] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Revised: 10/08/2018] [Accepted: 10/31/2018] [Indexed: 12/24/2022]
Abstract
Daily rhythms are generated by the circadian timekeeping system, which is orchestrated by the master circadian clock in the suprachiasmatic nucleus (SCN) of mammals. Circadian timekeeping is endogenous and does not require exposure to external cues during development. Nevertheless, the circadian system is not fully formed at birth in many mammalian species and it is important to understand how SCN development can affect the function of the circadian system in adulthood. The purpose of the current review is to discuss the ontogeny of cellular and circuit function in the SCN, with a focus on work performed in model rodent species (i.e., mouse, rat, and hamster). Particular emphasis is placed on the spatial and temporal patterns of SCN development that may contribute to the function of the master clock during adulthood. Additional work aimed at decoding the mechanisms that guide circadian development is expected to provide a solid foundation upon which to better understand the sources and factors contributing to aberrant maturation of clock function.
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Affiliation(s)
| | - Kayla E Rohr
- Department of Biomedical Sciences, Marquette University, Milwaukee, Wisconsin
| | - Deborah A M Joye
- Department of Biomedical Sciences, Marquette University, Milwaukee, Wisconsin
| | - Jennifer A Evans
- Department of Biomedical Sciences, Marquette University, Milwaukee, Wisconsin
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45
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Receptor selectivity from minimal backbone modification of a polypeptide agonist. Proc Natl Acad Sci U S A 2018; 115:12383-12388. [PMID: 30442659 DOI: 10.1073/pnas.1815294115] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Human parathyroid hormone (PTH) and N-terminal fragments thereof activate two receptors, hPTHR1 and hPTHR2, which share ∼51% sequence similarity. A peptide comprising the first 34 residues of PTH is fully active at both receptors and is used to treat osteoporosis. We have used this system to explore the hypothesis that backbone modification of a promiscuous peptidic agonist can provide novel receptor-selective agonists. We tested this hypothesis by preparing a set of variants of PTH(1-34)-NH2 that contained a single β-amino-acid residue replacement at each of the first eight positions. These homologs, each containing one additional backbone methylene unit relative to PTH(1-34)-NH2 itself, displayed a wide range of potencies in cell-based assays for PTHR1 or PTHR2 activation. The β-scan series allowed us to identify two homologs, each containing two α→β replacements, that were highly selective, one for PTHR1 and the other for PTHR2. These findings suggest that backbone modification of peptides may provide a general strategy for achieving activation selectivity among polypeptide-modulated receptors, and that success requires consideration of both β2- and β3-residues, which differ in terms of side-chain location.
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Abstract
Purpose of Review The purpose of this review is to summarize the most recent data available on advances in development of novel medical treatments for hypertension and related comorbidities. Recent Findings Approximately half of all hypertensive patients have not achieved goal blood pressure with current available antihypertensive medications. Recent landmark studies and new hypertension guidelines have called for stricter blood pressure control, creating a need for better strategies for lowering blood pressure. This has led to a shift in focus, in recent years, to the development of combination pills as a means of achieving improved blood pressure control by increasing adherence to prescribed medications along with further research and development of promising novel drugs based on discovery of new molecular targets such as the counter-regulatory renin-angiotensin system. Summary Fixed-dose combination pills and novel treatments based on recently discovered pathogenic mechanisms of hypertension that have demonstrated promising results as treatments for hypertension and related comorbidities will be discussed in this review.
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Affiliation(s)
- Jared Davis
- Department of Medicine, University of Alabama at Birmingham, BDB 327, 1720 2nd Ave S, Birmingham, AL, 35294, USA.
| | - Suzanne Oparil
- UAB Vascular Biology and Hypertension Program, Division of Cardiovascular Disease, University of Alabama at Birmingham, ZRB 1034, 703 19th St S, Birmingham, AL, 35233, USA
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47
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Sakamoto K, Koyama R, Kamada Y, Miwa M, Tani A. Discovery of artificial VIPR2-antagonist peptides possessing receptor- and ligand-selectivity. Biochem Biophys Res Commun 2018; 503:1973-1979. [PMID: 30077368 DOI: 10.1016/j.bbrc.2018.07.144] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Accepted: 07/28/2018] [Indexed: 12/13/2022]
Abstract
Vasoactive intestinal peptide receptor 2 (VIPR2, also known as VPAC2) is a class B G-protein coupled receptor (GPCR) and plays important roles in the physiology of central nervous system (CNS) by interaction with natural ligands; vasoactive intestinal peptide (VIP) and pituitary adenylate cyclase-activating polypeptide (PACAP). Because it has been reported that high-expression and/or overactivation of VIPR2 link to schizophrenic symptoms, VIPR2 antagonists could be good drug candidates for schizophrenia therapeutics. In this study, we discovered several artificial peptides that antagonize both human and rodent VIPR2 with selectivities against receptor subtypes VIPR1 (also known as VPAC1) and pituitary adenylate cyclase-activating polypeptide type-1 receptor (PAC1). Of them, the representative 16-mer cyclic peptide VIpep-3 (Ac-CPPYLPRRLCTLLLRS-OH) exhibited strong binding affinity with KD value of 41 nM to extracellular domain of human VIPR2 in SPR analysis and showed potent antagonist activity with IC50 values of 47 nM (human), 180 nM (mouse), and 44 nM (rat) against VIP-VIPR2 signal in cell-based Ca influx assay. This is not only the first report on artificial VIPR2-selective antagonist peptides but also good example of the effective approach to discover novel antagonist against class B GPCR. Our peptides will contribute to study and development of the novel CNS drugs targeting to VIPR2.
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Affiliation(s)
- Kotaro Sakamoto
- Pharmaceutical Research Division, Takeda Pharmaceutical Company Limited, 26-1, Muraoka-Higashi 2-chome, Fujisawa, Kanagawa, 251-8555, Japan.
| | - Ryokichi Koyama
- Pharmaceutical Research Division, Takeda Pharmaceutical Company Limited, 26-1, Muraoka-Higashi 2-chome, Fujisawa, Kanagawa, 251-8555, Japan
| | - Yusuke Kamada
- Pharmaceutical Research Division, Takeda Pharmaceutical Company Limited, 26-1, Muraoka-Higashi 2-chome, Fujisawa, Kanagawa, 251-8555, Japan
| | - Masanori Miwa
- Pharmaceutical Research Division, Takeda Pharmaceutical Company Limited, 26-1, Muraoka-Higashi 2-chome, Fujisawa, Kanagawa, 251-8555, Japan
| | - Akiyoshi Tani
- Pharmaceutical Research Division, Takeda Pharmaceutical Company Limited, 26-1, Muraoka-Higashi 2-chome, Fujisawa, Kanagawa, 251-8555, Japan
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48
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Bourlev V, Moberg C, Ilyasova N, Davey E, Kunovac Kallak T, Olovsson M. Vasoactive intestinal peptide is upregulated in women with endometriosis and chronic pelvic pain. Am J Reprod Immunol 2018; 80:e12857. [PMID: 29675846 DOI: 10.1111/aji.12857] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Accepted: 03/27/2018] [Indexed: 12/16/2022] Open
Abstract
PROBLEM Chronic pelvic pain (CPP) causes compromised the quality of life in women with endometriosis and is often attributed to local inflammation and ingrowth of nerve fibers. In this pilot study, we aimed to investigate whether the inflammation-related vasoactive intestinal peptide (VIP) and interleukin (IL)-6 were increased in affected patients. METHOD OF STUDY Endometrial and endometriotic tissue biopsy specimens, and serum and peritoneal fluid (PF) samples, were obtained from 85 endometriosis patients and 53 controls. VIP and IL-6 analysis and measurement of microvessel density in tissue were performed using immunohistochemistry, Western blotting, RT-qPCR, and ELISA. RESULTS Compared with controls, VIP transcript and protein levels were increased in endometrium from endometriosis patients and further elevated in patients with CPP. In addition, microvessel density, a measurement of angiogenic activity, was increased in the endometrium and in endometriosis lesions in the same subset of patients. Serum and PF levels of VIP and IL-6 were higher in women with endometriosis and CPP compared with endometriosis patients who reported no chronic pain. CONCLUSION Vasoactive intestinal peptide is upregulated in endometriosis patients reporting chronic pain. Increased microvessel density in tissue and peritoneal fluid concentrations of IL-6 indicate an elevated inflammation in the pelvic microenvironment of these patients.
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Affiliation(s)
- Vladimir Bourlev
- Department of Women's and Children's Health, Uppsala University, Uppsala, Sweden.,National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V. I. Kulakov of Ministry of Healthcare of Russian Federation, Moscow, Russian Federation
| | - Christian Moberg
- Department of Women's and Children's Health, Uppsala University, Uppsala, Sweden
| | - Natalia Ilyasova
- Department of Women's and Children's Health, Uppsala University, Uppsala, Sweden.,National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V. I. Kulakov of Ministry of Healthcare of Russian Federation, Moscow, Russian Federation
| | - Eva Davey
- Department of Women's and Children's Health, Uppsala University, Uppsala, Sweden
| | | | - Matts Olovsson
- Department of Women's and Children's Health, Uppsala University, Uppsala, Sweden
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49
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Fung C, Koussoulas K, Unterweger P, Allen AM, Bornstein JC, Foong JPP. Cholinergic Submucosal Neurons Display Increased Excitability Following in Vivo Cholera Toxin Exposure in Mouse Ileum. Front Physiol 2018; 9:260. [PMID: 29618987 PMCID: PMC5871806 DOI: 10.3389/fphys.2018.00260] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2017] [Accepted: 03/06/2018] [Indexed: 12/16/2022] Open
Abstract
Cholera-induced hypersecretion causes dehydration and death if untreated. Cholera toxin (CT) partly acts via the enteric nervous system (ENS) and induces long-lasting changes to enteric neuronal excitability following initial exposure, but the specific circuitry involved remains unclear. We examined this by first incubating CT or saline (control) in mouse ileal loops in vivo for 3.5 h and then assessed neuronal excitability in vitro using Ca2+ imaging and immunolabeling for the activity-dependent markers cFos and pCREB. Mice from a C57BL6 background, including Wnt1-Cre;R26R-GCaMP3 mice which express the fluorescent Ca2+ indicator GCaMP3 in its ENS, were used. Ca2+-imaging using this mouse model is a robust, high-throughput method which allowed us to examine the activity of numerous enteric neurons simultaneously and post-hoc immunohistochemistry enabled the neurochemical identification of the active neurons. Together, this provided novel insight into the CT-affected circuitry that was previously impossible to attain at such an accelerated pace. Ussing chamber measurements of electrogenic ion secretion showed that CT-treated preparations had higher basal secretion than controls. Recordings of Ca2+ activity from the submucous plexus showed that increased numbers of neurons were spontaneously active in CT-incubated tissue (control: 4/149; CT: 32/160; Fisher's exact test, P < 0.0001) and that cholinergic neurons were more responsive to electrical (single pulse and train of 20 pulses) or nicotinic (1,1-dimethyl-4-phenylpiperazinium (DMPP; 10 μM) stimulation. Expression of the neuronal activity marker, pCREB, was also increased in the CT-treated submucous plexus neurons. c-Fos expression and spontaneous fast excitatory postsynaptic potentials (EPSPs), recorded by intracellular electrodes, were increased by CT exposure in a small subset of myenteric neurons. However, the effect of CT on the myenteric plexus is less clear as spontaneous Ca2+ activity and electrical- or nicotinic-evoked Ca2+ responses were reduced. Thus, in a model where CT exposure evokes hypersecretion, we observed sustained activation of cholinergic secretomotor neuron activity in the submucous plexus, pointing to involvement of these neurons in the overall response to CT.
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Affiliation(s)
- Candice Fung
- Department of Physiology, The University of Melbourne, Parkville, VIC, Australia
| | - Katerina Koussoulas
- Department of Physiology, The University of Melbourne, Parkville, VIC, Australia
| | - Petra Unterweger
- Department of Physiology, The University of Melbourne, Parkville, VIC, Australia
| | - Andrew M Allen
- Department of Physiology, The University of Melbourne, Parkville, VIC, Australia.,Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Parkville, VIC, Australia
| | - Joel C Bornstein
- Department of Physiology, The University of Melbourne, Parkville, VIC, Australia
| | - Jaime P P Foong
- Department of Physiology, The University of Melbourne, Parkville, VIC, Australia
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50
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Grasso E, Gori S, Paparini D, Soczewski E, Fernández L, Gallino L, Salamone G, Martinez G, Irigoyen M, Ruhlmann C, Pérez Leirós C, Ramhorst R. VIP induces the decidualization program and conditions the immunoregulation of the implantation process. Mol Cell Endocrinol 2018; 460:63-72. [PMID: 28689770 DOI: 10.1016/j.mce.2017.07.006] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2017] [Revised: 06/19/2017] [Accepted: 07/05/2017] [Indexed: 11/24/2022]
Abstract
The decidualization process involves phenotype and functional changes on endometrial cells and the modulation of mediators with immunoregulatory properties as the vasoactive intestinal peptide (VIP). We investigate VIP contribution to the decidualization program and to immunoregulation throughout the human embryo implantation process. The decidualization of Human endometrial stromal cell line (HESC) with Medroxyprogesterone-dibutyryl-cAMP increased VIP/VPAC-receptors system. In fact, VIP could induce decidualization increasing differentiation markers (IGFBP1, PRL, KLF13/KLF9 ratio, CXCL12, CXCL8 and CCL2) and allowing Blastocyst-like spheroids (BLS) invasion in an in vitro model of embryo implantation. Focus on the tolerogenic effects, decidualized cells induced a semi-mature profile on maternal dendritic cells; restrained CD4+ cells recruitment while increased regulatory T-cells recruitment. Interestingly, the human blastocyst conditioned media from developmentally impaired embryos diminished the invasion and T-regulatory cells recruitment in these settings. These evidences suggest that VIP contributes to the implantation process inducing decidualization, allowing BLS invasion and favoring a tolerogenic micro-environment.
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Affiliation(s)
- Esteban Grasso
- Immunopharmacology Laboratory, School of Sciences, University of Buenos Aires, IQUIBICEN-CONICET, Argentina
| | - Soledad Gori
- Institute of Experimental Medicine IMEX-CONICET, National Academy of Sciences, Buenos Aires, Argentina
| | - Daniel Paparini
- Immunopharmacology Laboratory, School of Sciences, University of Buenos Aires, IQUIBICEN-CONICET, Argentina
| | - Elizabeth Soczewski
- Immunopharmacology Laboratory, School of Sciences, University of Buenos Aires, IQUIBICEN-CONICET, Argentina
| | - Laura Fernández
- Immunopharmacology Laboratory, School of Sciences, University of Buenos Aires, IQUIBICEN-CONICET, Argentina
| | - Lucila Gallino
- Immunopharmacology Laboratory, School of Sciences, University of Buenos Aires, IQUIBICEN-CONICET, Argentina
| | - Gabriela Salamone
- Institute of Experimental Medicine IMEX-CONICET, National Academy of Sciences, Buenos Aires, Argentina
| | | | | | | | - Claudia Pérez Leirós
- Immunopharmacology Laboratory, School of Sciences, University of Buenos Aires, IQUIBICEN-CONICET, Argentina
| | - Rosanna Ramhorst
- Immunopharmacology Laboratory, School of Sciences, University of Buenos Aires, IQUIBICEN-CONICET, Argentina.
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