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Mason BN, Hassler SN, DeFea K, Boitano S, Vagner J, Price TJ, Dussor G. PAR2 activation in the dura causes acute behavioral responses and priming to glyceryl trinitrate in a mouse migraine model. J Headache Pain 2023; 24:42. [PMID: 37072694 PMCID: PMC10114383 DOI: 10.1186/s10194-023-01574-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 04/03/2023] [Indexed: 04/20/2023] Open
Abstract
BACKGROUND Migraine is a severely debilitating disorder that affects millions of people worldwide. Studies have indicated that activation of protease-activated receptor-2 (PAR2) in the dura mater causes headache responses in preclinical models. It is also well known that vasodilators such as nitric oxide (NO) donors can trigger migraine attacks in migraine patients but not controls. In the current study we examined whether activation of PAR2 in the dura causes priming to the NO donor glyceryl trinitrate (GTN). METHODS A preclinical behavioral model of migraine was used where stimuli (PAR2 agonists: 2at-LIGRL-NH2 (2AT) or neutrophil elastase (NE); and IL-6) were applied to the mouse dura through an injection made at the intersection of the lamdoidal and sagittal sutures on the skull. Following dural injection, periorbital von Frey thresholds and facial grimace responses were measured until their return to baseline. GTN was then given by intraperitoneal injection and periorbital hypersensitivity and facial grimace responses observed until they returned to baseline. RESULTS We found that application of the selective PAR2 agonist 2at-LIGRL-NH2 (2AT) onto the dura causes headache-related behavioral responses in WT but not PAR2-/- mice with no differences between sexes. Additionally, dural PAR2 activation with 2AT caused priming to GTN (1 mg/kg) at 14 days after primary dural stimulation. PAR2-/- mice showed no priming to GTN. We also tested behavioral responses to the endogenous protease neutrophil elastase, which can cleave and activate PAR2. Dural neutrophil elastase caused both acute responses and priming to GTN in WT but not PAR2-/- mice. Finally, we show that dural IL-6 causes acute responses and priming to GTN that is identical in WT and PAR2-/- mice, indicating that IL-6 does not act through PAR2 in this model. CONCLUSIONS These results indicate that PAR2 activation in the meninges can cause acute headache behavioral responses and priming to an NO donor, and support further exploration of PAR2 as a novel therapeutic target for migraine.
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Affiliation(s)
- Bianca N Mason
- Department of Neuroscience, University of Texas at Dallas, 800 West Campbell Rd, Richardson, TX, 75080, USA
- Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX, 75080, USA
| | - Shayne N Hassler
- Department of Neuroscience, University of Texas at Dallas, 800 West Campbell Rd, Richardson, TX, 75080, USA
| | | | - Scott Boitano
- Department of Physiology, University of Arizona, Tucson, 85724, USA
| | - Josef Vagner
- Bio5 Institute, University of Arizona, Tucson, AZ, 85724, USA
| | - Theodore J Price
- Department of Neuroscience, University of Texas at Dallas, 800 West Campbell Rd, Richardson, TX, 75080, USA
- Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX, 75080, USA
| | - Greg Dussor
- Department of Neuroscience, University of Texas at Dallas, 800 West Campbell Rd, Richardson, TX, 75080, USA.
- Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX, 75080, USA.
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Berger M, Guiraud L, Dumas A, Sagnat D, Payros G, Rolland C, Vergnolle N, Deraison C, Cenac N, Racaud-Sultan C. Prenatal stress induces changes in PAR2- and M3-dependent regulation of colon primitive cells. Am J Physiol Gastrointest Liver Physiol 2022; 323:G609-G626. [PMID: 36283083 PMCID: PMC9722261 DOI: 10.1152/ajpgi.00061.2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Prenatal stress is associated with a high risk of developing adult intestinal pathologies, such as irritable bowel syndrome, chronic inflammation, and cancer. Although epithelial stem cells and progenitors have been implicated in intestinal pathophysiology, how prenatal stress could impact their functions is still unknown. We have investigated the proliferative and differentiation capacities of primitive cells using epithelial crypts isolated from colons of adult male and female mice whose mothers have been stressed during late gestation. Our results show that stem cell/progenitor proliferation and differentiation in vitro are negatively impacted by prenatal stress in male progeny. This is promoted by a reinforcement of the negative proliferative/differentiation control by the protease-activated receptor 2 (PAR2) and the muscarinic receptor 3 (M3), two G protein-coupled receptors present in the crypt. Conversely, prenatal stress does not change in vitro proliferation of colon primitive cells in female progeny. Importantly, this maintenance is associated with a functional switch in the M3 negative control of colonoid growth, becoming proliferative after prenatal stress. In addition, the proliferative role of PAR2 specific to females is maintained under prenatal stress, even though PAR2-targeted stress signals Dusp6 and activated GSK3β are increased, reaching the levels of males. An epithelial serine protease could play a critical role in the activation of the survival kinase GSK3β in colonoids from prenatally stressed female progeny. Altogether, our results show that following prenatal stress, colon primitive cells cope with stress through sexually dimorphic mechanisms that could pave the way to dysregulated crypt regeneration and intestinal pathologies.NEW & NOTEWORTHY Primitive cells isolated from mouse colon following prenatal stress and exposed to additional stress conditions such as in vitro culture, present sexually dimorphic mechanisms based on PAR2- and M3-dependent regulation of proliferation and differentiation. Whereas prenatal stress reinforces the physiological negative control exerted by PAR2 and M3 in crypts from males, in females, it induces a switch in M3- and PAR2-dependent regulation leading to a resistant and proliferative phenotype of progenitor.
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Affiliation(s)
- Mathieu Berger
- 1Institut de Recherche en Santé Digestive, INSERM U1220, Institut
National de Recherche pour l’Agriculture, l’Alimentation et
l’Environnement, Ecole Nationale Vétérinaire de Toulouse, University of Toulouse, Toulouse, France
| | - Laura Guiraud
- 1Institut de Recherche en Santé Digestive, INSERM U1220, Institut
National de Recherche pour l’Agriculture, l’Alimentation et
l’Environnement, Ecole Nationale Vétérinaire de Toulouse, University of Toulouse, Toulouse, France
| | - Alexia Dumas
- 1Institut de Recherche en Santé Digestive, INSERM U1220, Institut
National de Recherche pour l’Agriculture, l’Alimentation et
l’Environnement, Ecole Nationale Vétérinaire de Toulouse, University of Toulouse, Toulouse, France
| | - David Sagnat
- 1Institut de Recherche en Santé Digestive, INSERM U1220, Institut
National de Recherche pour l’Agriculture, l’Alimentation et
l’Environnement, Ecole Nationale Vétérinaire de Toulouse, University of Toulouse, Toulouse, France
| | - Gaëlle Payros
- 1Institut de Recherche en Santé Digestive, INSERM U1220, Institut
National de Recherche pour l’Agriculture, l’Alimentation et
l’Environnement, Ecole Nationale Vétérinaire de Toulouse, University of Toulouse, Toulouse, France
| | - Corinne Rolland
- 1Institut de Recherche en Santé Digestive, INSERM U1220, Institut
National de Recherche pour l’Agriculture, l’Alimentation et
l’Environnement, Ecole Nationale Vétérinaire de Toulouse, University of Toulouse, Toulouse, France
| | - Nathalie Vergnolle
- 1Institut de Recherche en Santé Digestive, INSERM U1220, Institut
National de Recherche pour l’Agriculture, l’Alimentation et
l’Environnement, Ecole Nationale Vétérinaire de Toulouse, University of Toulouse, Toulouse, France,2Department of Physiology and Pharmacology, Cumming School of
Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Céline Deraison
- 1Institut de Recherche en Santé Digestive, INSERM U1220, Institut
National de Recherche pour l’Agriculture, l’Alimentation et
l’Environnement, Ecole Nationale Vétérinaire de Toulouse, University of Toulouse, Toulouse, France
| | - Nicolas Cenac
- 1Institut de Recherche en Santé Digestive, INSERM U1220, Institut
National de Recherche pour l’Agriculture, l’Alimentation et
l’Environnement, Ecole Nationale Vétérinaire de Toulouse, University of Toulouse, Toulouse, France
| | - Claire Racaud-Sultan
- 1Institut de Recherche en Santé Digestive, INSERM U1220, Institut
National de Recherche pour l’Agriculture, l’Alimentation et
l’Environnement, Ecole Nationale Vétérinaire de Toulouse, University of Toulouse, Toulouse, France
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Mank JE, Rideout EJ. Developmental mechanisms of sex differences: from cells to organisms. Development 2021; 148:272484. [PMID: 34647574 DOI: 10.1242/dev.199750] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Male-female differences in many developmental mechanisms lead to the formation of two morphologically and physiologically distinct sexes. Although this is expected for traits with prominent differences between the sexes, such as the gonads, sex-specific processes also contribute to traits without obvious male-female differences, such as the intestine. Here, we review sex differences in developmental mechanisms that operate at several levels of biological complexity - molecular, cellular, organ and organismal - and discuss how these differences influence organ formation, function and whole-body physiology. Together, the examples we highlight show that one simple way to gain a more accurate and comprehensive understanding of animal development is to include both sexes.
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Affiliation(s)
- Judith E Mank
- Department of Zoology, Biodiversity Research Centre, The University of British Columbia, Vancouver, BC V6T 1Z4, Canada.,Biosciences, University of Exeter, Penryn Campus, Penryn TR10 9FE, UK
| | - Elizabeth J Rideout
- Department of Cellular and Physiological Sciences, Life Sciences Institute, The University of British Columbia, Vancouver, BC V6T 1Z3, Canada
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Kim DH, Kim YR, Bang E, Ha S, Noh SG, Kim BM, Jeong SH, Jung HJ, Lee JY, Chung HY. Mechanism of Lipid Accumulation through PAR2 Signaling in Diabetic Male Mice. Endocrinol Metab (Seoul) 2021; 36:171-184. [PMID: 33677938 PMCID: PMC7937841 DOI: 10.3803/enm.2020.850] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Accepted: 01/04/2021] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Protease-activated protein-2 (PAR2) has been reported to regulate hepatic insulin resistance condition in type 2 diabetes mice. However, the mechanism of lipid metabolism through PAR2 in obesity mice have not yet been examined. In liver, Forkhead box O1 (FoxO1) activity induces peroxisome proliferator-activated receptor γ (PPARγ), leading to accumulation of lipids and hyperlipidemia. Hyperlipidemia significantly influence hepatic steatoses, but the mechanisms underlying PAR2 signaling are complex and have not yet been elucidated. METHODS To examine the modulatory action of FoxO1 and its altered interaction with PPARγ, we utilized db/db mice and PAR2-knockout (KO) mice administered with high-fat diet (HFD). RESULTS Here, we demonstrated that PAR2 was overexpressed and regulated downstream gene expressions in db/db but not in db+ mice. The interaction between PAR2/β-arrestin and Akt was also greater in db/db mice. The Akt inhibition increased FoxO1 activity and subsequently PPARγ gene in the livers that led to hepatic lipid accumulation. Our data showed that FoxO1 was negatively controlled by Akt signaling and consequently, the activity of a major lipogenesis-associated transcription factors such as PPARγ increased, leading to hepatic lipid accumulation through the PAR2 pathway under hyperglycemic conditions in mice. Furthermore, the association between PPARγ and FoxO1 was increased in hepatic steatosis condition in db/db mice. However, HFD-fed PAR2-KO mice showed suppressed FoxO1-induced hepatic lipid accumulation compared with HFD-fed control groups. CONCLUSION Collectively, our results provide evidence that the interaction of FoxO1 with PPARγ promotes hepatic steatosis in mice. This might be due to defects in PAR2/β-arrestin-mediated Akt signaling in diabetic and HFD-fed mice.
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Affiliation(s)
- Dae Hyun Kim
- Department of Pharmacy, College of Pharmacy, Pusan National University, Busan, Korea
| | - Ye Ra Kim
- Department of Pharmacy, College of Pharmacy, Pusan National University, Busan, Korea
| | - EunJin Bang
- Department of Pharmacy, College of Pharmacy, Pusan National University, Busan, Korea
| | - Sugyeong Ha
- Department of Pharmacy, College of Pharmacy, Pusan National University, Busan, Korea
| | - Sang Gyun Noh
- Department of Pharmacy, College of Pharmacy, Pusan National University, Busan, Korea
| | - Byeong Moo Kim
- Department of Pharmacy, College of Pharmacy, Pusan National University, Busan, Korea
| | - Seong Ho Jeong
- Department of Pharmacy, College of Pharmacy, Pusan National University, Busan, Korea
| | - Hee Jin Jung
- Department of Pharmacy, College of Pharmacy, Pusan National University, Busan, Korea
| | - Ji Young Lee
- Department of Pharmacy, College of Pharmacy, Pusan National University, Busan, Korea
| | - Hae Young Chung
- Department of Pharmacy, College of Pharmacy, Pusan National University, Busan, Korea
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Racaud-Sultan C, Vergnolle N. GSK3β, a Master Kinase in the Regulation of Adult Stem Cell Behavior. Cells 2021; 10:cells10020225. [PMID: 33498808 PMCID: PMC7911451 DOI: 10.3390/cells10020225] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 01/16/2021] [Accepted: 01/22/2021] [Indexed: 12/30/2022] Open
Abstract
In adult stem cells, Glycogen Synthase Kinase 3β (GSK3β) is at the crossroad of signaling pathways controlling survival, proliferation, adhesion and differentiation. The microenvironment plays a key role in the regulation of these cell functions and we have demonstrated that the GSK3β activity is strongly dependent on the engagement of integrins and protease-activated receptors (PARs). Downstream of the integrin α5β1 or PAR2 activation, a molecular complex is organized around the scaffolding proteins RACK1 and β-arrestin-2 respectively, containing the phosphatase PP2A responsible for GSK3β activation. As a consequence, a quiescent stem cell phenotype is established with high capacities to face apoptotic and metabolic stresses. A protective role of GSK3β has been found for hematopoietic and intestinal stem cells. Latters survived to de-adhesion through PAR2 activation, whereas formers were protected from cytotoxicity through α5β1 engagement. However, a prolonged activation of GSK3β promoted a defect in epithelial regeneration and a resistance to chemotherapy of leukemic cells, paving the way to chronic inflammatory diseases and to cancer resurgence, respectively. In both cases, a sexual dimorphism was measured in GSK3β-dependent cellular functions. GSK3β activity is a key marker for inflammatory and cancer diseases allowing adjusted therapy to sex, age and metabolic status of patients.
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