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Komatsu DE, Uddin SMZ, Gordon C, Kanjiya MP, Bogdan D, Achonu J, DiBua A, Iftikhar H, Ackermann A, Shah RJ, Shieh J, Bialkowska AB, Kaczocha M. Acute postoperative pain and dorsal root ganglia transcriptomic signatures following total knee arthroplasty (TKA) in rats: An experimental study. PLoS One 2022; 17:e0278632. [PMID: 36473007 PMCID: PMC9725137 DOI: 10.1371/journal.pone.0278632] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 11/19/2022] [Indexed: 12/12/2022] Open
Abstract
Total knee arthroplasty (TKA) is the final treatment option for patients with advanced knee osteoarthritis (OA). Unfortunately, TKA surgery is accompanied by acute postoperative pain that is more severe than arthroplasty performed in other joints. Elucidating the molecular mechanisms specific to post-TKA pain necessitates an animal model that replicates clinical TKA procedures, induces acute postoperative pain, and leads to complete functional recovery. Here, we present a new preclinical TKA model in rats and report on functional and behavioral outcomes indicative of pain, analgesic efficacy, serum cytokine levels, and dorsal root ganglia (DRG) transcriptomes during the acute postoperative period. Following TKA, rats exhibited marked deficits in weight bearing that persisted for 28 days. Home cage locomotion, rearing, and gait were similarly impacted and recovered by day 14. Cytokine levels were elevated on postoperative days one and/or two. Treatment with morphine, ketorolac, or their combination improved weight bearing while gabapentin lacked efficacy. When TKA was performed in rats with OA, similar functional deficits and comparable recovery time courses were observed. Analysis of DRG transcriptomes revealed upregulation of transcripts linked to multiple molecular pathways including inflammation, MAPK signaling, and cytokine signaling and production. In summary, we developed a clinically relevant rat TKA model characterized by resolution of pain and functional recovery within five weeks and with pain-associated behavioral deficits that are partially alleviated by clinically administered analgesics, mirroring the postoperative experience of TKA patients.
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Affiliation(s)
- David E. Komatsu
- Department of Orthopaedics and Rehabilitation, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, United States of America
- * E-mail: (DEK); (MK)
| | - Sardar M. Z. Uddin
- Department of Orthopaedics and Rehabilitation, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, United States of America
| | - Chris Gordon
- Department of Anesthesiology, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, United States of America
| | - Martha P. Kanjiya
- Department of Anesthesiology, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, United States of America
| | - Diane Bogdan
- Department of Anesthesiology, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, United States of America
| | - Justice Achonu
- Department of Orthopaedics and Rehabilitation, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, United States of America
| | - Adriana DiBua
- Department of Anesthesiology, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, United States of America
| | - Hira Iftikhar
- Department of Anesthesiology, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, United States of America
| | - Amanda Ackermann
- Department of Anesthesiology, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, United States of America
| | - Rohan J. Shah
- Department of Anesthesiology, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, United States of America
| | - Jason Shieh
- Department of Medicine, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, United States of America
| | - Agnieszka B. Bialkowska
- Department of Medicine, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, United States of America
| | - Martin Kaczocha
- Department of Anesthesiology, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, United States of America
- Stony Brook University Pain and Analgesia Research Center, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, United States of America
- * E-mail: (DEK); (MK)
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Bogdan DM, Studholme K, DiBua A, Gordon C, Kanjiya MP, Yu M, Puopolo M, Kaczocha M. FABP5 deletion in nociceptors augments endocannabinoid signaling and suppresses TRPV1 sensitization and inflammatory pain. Sci Rep 2022; 12:9241. [PMID: 35655086 PMCID: PMC9163147 DOI: 10.1038/s41598-022-13284-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 05/23/2022] [Indexed: 11/09/2022] Open
Abstract
The endocannabinoid anandamide (AEA) produces antinociceptive effects by activating cannabinoid receptor 1 (CB1). However, AEA also serves as an agonist at transient receptor potential vanilloid receptor 1 (TRPV1) in nociceptive sensory neurons, which may exacerbate pain. This potential functional duality is highlighted by the failure of an inhibitor of the AEA catabolic enzyme fatty acid amide hydrolase (FAAH) to afford pain relief in a clinical trial. Consequently, it remains to be determined whether elevating AEA levels in nociceptors leads to antinociceptive or pro-nociceptive effects. Fatty acid binding protein 5 (FABP5) is an intracellular carrier that mediates AEA transport to FAAH for inactivation. Leveraging the abundant expression of FABP5 in TRPV1+ nociceptors, we employed a conditional knockout strategy to demonstrate that FABP5 deletion in nociceptors augments AEA levels, resulting in the emergence of antinociceptive effects mediated by CB1. Mechanistically, FABP5 deletion suppresses inflammation- and nerve growth factor-mediated TRPV1 sensitization via CB1, an effect mediated by calcineurin. Unexpectedly, inhibition of FAAH failed to blunt TRPV1 sensitization, uncovering functionally distinct outputs resulting from FABP5 and FAAH inhibition. Collectively, our results demonstrate that FABP5 serves a key role in governing endocannabinoid signaling in nociceptors to disrupt TRPV1 sensitization and pain, and position FABP5 as a therapeutic target for the development of analgesics.
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Affiliation(s)
- Diane M Bogdan
- Department of Anesthesiology, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, 11794, USA
| | - Keith Studholme
- Department of Anesthesiology, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, 11794, USA
| | - Adriana DiBua
- Department of Anesthesiology, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, 11794, USA
| | - Chris Gordon
- Department of Anesthesiology, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, 11794, USA
| | - Martha P Kanjiya
- Department of Anesthesiology, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, 11794, USA
| | - Mei Yu
- Department of Anesthesiology, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, 11794, USA
| | - Michelino Puopolo
- Department of Anesthesiology, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, 11794, USA
- Stony Brook University Pain and Analgesia Research Center (SPARC), Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, 11794, USA
| | - Martin Kaczocha
- Department of Anesthesiology, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, 11794, USA.
- Stony Brook University Pain and Analgesia Research Center (SPARC), Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, 11794, USA.
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Bogdan D, Falcone J, Kanjiya MP, Park SH, Carbonetti G, Studholme K, Gomez M, Lu Y, Elmes MW, Smietalo N, Yan S, Ojima I, Puopolo M, Kaczocha M. Fatty acid-binding protein 5 controls microsomal prostaglandin E synthase 1 (mPGES-1) induction during inflammation. J Biol Chem 2018; 293:5295-5306. [PMID: 29440395 DOI: 10.1074/jbc.ra118.001593] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Revised: 01/23/2018] [Indexed: 12/13/2022] Open
Abstract
Fatty acid-binding proteins (FABPs) are intracellular lipid carriers that regulate inflammation, and pharmacological inhibition of FABP5 reduces inflammation and pain. The mechanism(s) underlying the anti-inflammatory effects associated with FABP5 inhibition is poorly understood. Herein, we identify a novel mechanism through which FABP5 modulates inflammation. In mice, intraplantar injection of carrageenan induces acute inflammation that is accompanied by edema, enhanced pain sensitivity, and elevations in proinflammatory cytokines and prostaglandin E2 (PGE2). Inhibition of FABP5 reduced pain, edema, cytokine, and PGE2 levels. PGE2 is a major eicosanoid that enhances pain in the setting of inflammation, and we focused on the mechanism(s) through which FABP5 modulates PGE2 production. Cyclooxygenase 2 (COX-2) and microsomal prostaglandin E synthase 1 (mPGES-1) are enzymes up-regulated at the site of inflammation and account for the bulk of PGE2 biosynthesis. Pharmacological or genetic FABP5 inhibition suppressed the induction of mPGES-1 but not COX-2 in carrageenan-injected paws, which occurred predominantly in macrophages. The cytokine interleukin 1β (IL-1β) is a major inducer of mPGES-1 during inflammation. Using A549 cells that express FABP5, IL-1β stimulation up-regulated mPGES-1 expression, and mPGES-1 induction was attenuated in A549 cells bearing a knockdown of FABP5. IL-1β up-regulates mPGES-1 via NF-κB, which activates the mPGES-1 promoter. Knockdown of FABP5 reduced the activation and nuclear translocation of NF-κB and attenuated mPGES-1 promoter activity. Deletion of NF-κB-binding sites within the mPGES-1 promoter abrogated the ability of FABP5 to inhibit mPGES-1 promoter activation. Collectively, these results position FABP5 as a novel regulator of mPGES-1 induction and PGE2 biosynthesis during inflammation.
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Affiliation(s)
| | | | | | | | - Gregory Carbonetti
- Biochemistry and Cell Biology, and.,Graduate Program in Molecular and Cellular Biology, Stony Brook University, Stony Brook, New York 11794
| | | | | | - Yong Lu
- From the Departments of Anesthesiology
| | - Matthew W Elmes
- Biochemistry and Cell Biology, and.,Graduate Program in Molecular and Cellular Biology, Stony Brook University, Stony Brook, New York 11794
| | | | - Su Yan
- Chemistry.,Institute of Chemical Biology and Drug Discovery, and
| | - Iwao Ojima
- Chemistry.,Institute of Chemical Biology and Drug Discovery, and
| | | | - Martin Kaczocha
- From the Departments of Anesthesiology, .,Biochemistry and Cell Biology, and.,Institute of Chemical Biology and Drug Discovery, and
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Peng X, Studholme K, Kanjiya MP, Luk J, Bogdan D, Elmes MW, Carbonetti G, Tong S, Gary Teng YH, Rizzo RC, Li H, Deutsch DG, Ojima I, Rebecchi MJ, Puopolo M, Kaczocha M. Fatty-acid-binding protein inhibition produces analgesic effects through peripheral and central mechanisms. Mol Pain 2017; 13:1744806917697007. [PMID: 28326944 PMCID: PMC5407663 DOI: 10.1177/1744806917697007] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
Background Fatty-acid-binding proteins (FABPs) are intracellular carriers for endocannabinoids, N-acylethanolamines, and related lipids. Previous work indicates that systemically administered FABP5 inhibitors produce analgesia in models of inflammatory pain. It is currently not known whether FABP inhibitors exert their effects through peripheral or central mechanisms. Here, we examined FABP5 distribution in dorsal root ganglia and spinal cord and examined the analgesic effects of peripherally and centrally administered FABP5 inhibitors. Results Immunofluorescence revealed robust expression of FABP5 in lumbar dorsal root ganglia. FABP5 was distributed in peptidergic calcitonin gene-related peptide-expressing dorsal root ganglia and non-peptidergic isolectin B4-expressing dorsal root ganglia. In addition, the majority of dorsal root ganglia expressing FABP5 also expressed transient receptor potential vanilloid 1 (TRPV1) and peripherin, a marker of nociceptive fibers. Intraplantar administration of FABP5 inhibitors reduced thermal and mechanical hyperalgesia in the complete Freund’s adjuvant model of chronic inflammatory pain. In contrast to its robust expression in dorsal root ganglia, FABP5 was sparsely distributed in the lumbar spinal cord and intrathecal administration of FABP inhibitor did not confer analgesic effects. Administration of FABP inhibitor via the intracerebroventricular (i.c.v.) route reduced thermal hyperalgesia. Antagonists of peroxisome proliferator-activated receptor alpha blocked the analgesic effects of peripherally and i.c.v. administered FABP inhibitor while antagonism of cannabinoid receptor 1 blocked the effects of peripheral FABP inhibition and a TRPV1 antagonist blocked the effects of i.c.v. administered inhibitor. Although FABP5 and TRPV1 were co-expressed in the periaqueductal gray region of the brain, which is known to modulate pain, knockdown of FABP5 in the periaqueductal gray using adeno-associated viruses and pharmacological FABP5 inhibition did not produce analgesic effects. Conclusions This study demonstrates that FABP5 is highly expressed in nociceptive dorsal root ganglia neurons and FABP inhibitors exert peripheral and supraspinal analgesic effects. This indicates that peripherally restricted FABP inhibitors may serve as a new class of analgesic and anti-inflammatory agents.
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Affiliation(s)
- Xiaoxue Peng
- 1 Department of Anesthesiology, Stony Brook University, Stony Brook, NY, USA
| | - Keith Studholme
- 1 Department of Anesthesiology, Stony Brook University, Stony Brook, NY, USA
| | - Martha P Kanjiya
- 1 Department of Anesthesiology, Stony Brook University, Stony Brook, NY, USA
| | - Jennifer Luk
- 1 Department of Anesthesiology, Stony Brook University, Stony Brook, NY, USA
| | - Diane Bogdan
- 1 Department of Anesthesiology, Stony Brook University, Stony Brook, NY, USA
| | - Matthew W Elmes
- 2 Department of Biochemistry and Cell Biology, Stony Brook University, Stony Brook, NY, USA
| | - Gregory Carbonetti
- 2 Department of Biochemistry and Cell Biology, Stony Brook University, Stony Brook, NY, USA
| | - Simon Tong
- 3 Department of Chemistry, Stony Brook University, Stony Brook, NY, USA.,4 Institute of Chemical Biology and Drug Discovery, Stony Brook University, Stony Brook, NY, USA
| | - Yu-Han Gary Teng
- 3 Department of Chemistry, Stony Brook University, Stony Brook, NY, USA.,4 Institute of Chemical Biology and Drug Discovery, Stony Brook University, Stony Brook, NY, USA
| | - Robert C Rizzo
- 4 Institute of Chemical Biology and Drug Discovery, Stony Brook University, Stony Brook, NY, USA.,5 Department of Applied Mathematics and Statistics, Stony Brook University, Stony Brook, NY, USA
| | - Huilin Li
- 2 Department of Biochemistry and Cell Biology, Stony Brook University, Stony Brook, NY, USA.,4 Institute of Chemical Biology and Drug Discovery, Stony Brook University, Stony Brook, NY, USA
| | - Dale G Deutsch
- 2 Department of Biochemistry and Cell Biology, Stony Brook University, Stony Brook, NY, USA.,4 Institute of Chemical Biology and Drug Discovery, Stony Brook University, Stony Brook, NY, USA
| | - Iwao Ojima
- 3 Department of Chemistry, Stony Brook University, Stony Brook, NY, USA.,4 Institute of Chemical Biology and Drug Discovery, Stony Brook University, Stony Brook, NY, USA
| | - Mario J Rebecchi
- 1 Department of Anesthesiology, Stony Brook University, Stony Brook, NY, USA
| | - Michelino Puopolo
- 1 Department of Anesthesiology, Stony Brook University, Stony Brook, NY, USA
| | - Martin Kaczocha
- 1 Department of Anesthesiology, Stony Brook University, Stony Brook, NY, USA.,2 Department of Biochemistry and Cell Biology, Stony Brook University, Stony Brook, NY, USA.,4 Institute of Chemical Biology and Drug Discovery, Stony Brook University, Stony Brook, NY, USA
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Mahavongtrakul M, Kanjiya MP, Maciel M, Kanjiya S, Sinchak K. Estradiol dose-dependent regulation of membrane estrogen receptor-α, metabotropic glutamate receptor-1a, and their complexes in the arcuate nucleus of the hypothalamus in female rats. Endocrinology 2013; 154:3251-60. [PMID: 23825124 PMCID: PMC3749471 DOI: 10.1210/en.2013-1235] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Sexual receptivity in the female rat is dependent on dose and duration of estradiol exposure. A 2 μg dose of estradiol benzoate (EB) primes reproductive behavior circuits without facilitating lordosis. However, 50 μg EB facilitates lordosis after 48 hours. Both EB doses activate membrane estrogen receptor-α (mERα) that complexes with and signals through metabotropic glutamate receptor-1a (mGluR1a). This mERα-mGluR1a signaling activates a multisynaptic lordosis-inhibiting circuit in the arcuate nucleus (ARH) that releases β-endorphin in the medial preoptic nucleus (MPN), activating μ-opioid receptors (MOP). MPN MOP activation is maintained, inhibiting lordosis for 48 hours by 2 μg EB, whereas 50 μg EB at 48 hours deactivates MPN MOP, facilitating lordosis. We hypothesized that 50 μg EB down-regulates ERα and mERα-mGluR1a complexes in the ARH to remove mERα-mGluR1a signaling. In experiment I, 48 hours after 2 μg or 50 μg EB, the number of ARH ERα-immunopositive cells was reduced compared with controls. In experiment II, compared with oil controls, total ARH ERα protein was decreased 48 hours after 50 μg EB, but the 2 μg dose was not. These results indicate that both EB doses reduced the total number of cells expressing ERα, but 2 μg EB may have maintained or increased ERα expressed per cell, whereas 50 μg EB appeared to reduce total ERα per cell. In experiment III, coimmunoprecipitation and Western blot revealed that total mERα and coimmunoprecipitated mERα with mGluR1a were greater 48 hours after 2 μg EB treatment vs rats receiving 50 μg EB. These results indicate 2 μg EB maintains but 50 μg EB down-regulates mERα-mGluR1a to regulate the lordosis circuit activity.
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Affiliation(s)
- Matthew Mahavongtrakul
- Department of Biological Sciences, California State University, Long Beach, Long Beach, California 90840–9502, USA
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