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Barnett RC, Lewis AN, Gong Q, Preston DL, Frazer LC, Werthammer JW, Good M. Modulation of intestinal TLR4 expression in infants with neonatal opioid withdrawal syndrome. J Perinatol 2024; 44:1125-1131. [PMID: 38151596 PMCID: PMC11209831 DOI: 10.1038/s41372-023-01859-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 11/23/2023] [Accepted: 12/12/2023] [Indexed: 12/29/2023]
Abstract
OBJECTIVE Neonatal Opioid Withdrawal Syndrome (NOWS) has been associated with the development of necrotizing enterocolitis (NEC) in term and late-preterm neonates. In this study, we used stool gene expression to determine if an increase in baseline inflammation in the intestine of infants with NOWS is associated with these findings. STUDY DESIGN Stool samples were prospectively collected between days 1-3 and days 4-9 after delivery for opioid-exposed ( n = 9) or non-exposed neonates (n = 8). Stool gene expression for TLR4 and HMGB1 was determined via real-time PCR. RESULTS TLR4 expression was higher in the stool of the non-exposed group in both time periods, between days 1-3 (P < 0.0001) and days 4-9 (P < 0.05) after delivery. No significant difference in HMGB1 expression was found at either time point (P > 0.05). CONCLUSION These findings point to an important interplay between opioid exposure and/or NOWS and the inflammatory milieu of the neonatal intestine.
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Affiliation(s)
- Rebecca C Barnett
- Department of Pediatrics, Marshall University, Joan C. Edwards School of Medicine, Huntington, WV, USA
| | - Angela N Lewis
- Division of Neonatal-Perinatal Medicine, Department of Pediatrics, Saint Louis University, Cardinal Glennon Children's Hospital, St. Louis, MO, USA
| | - Qingqing Gong
- Division of Newborn Medicine, Department of Pediatrics, Washington University School of Medicine, St. Louis Children's Hospital, St. Louis, MO, USA
| | - Deborah L Preston
- Department of Pediatrics, Marshall University, Joan C. Edwards School of Medicine, Huntington, WV, USA
| | - Lauren C Frazer
- Division of Newborn Medicine, Department of Pediatrics, Washington University School of Medicine, St. Louis Children's Hospital, St. Louis, MO, USA
- Division of Neonatal-Perinatal Medicine, Department of Pediatrics, University of North Carolina Children's Hospital, Chapel Hill, NC, USA
| | - Joseph W Werthammer
- Department of Pediatrics, Marshall University, Joan C. Edwards School of Medicine, Huntington, WV, USA
| | - Misty Good
- Division of Newborn Medicine, Department of Pediatrics, Washington University School of Medicine, St. Louis Children's Hospital, St. Louis, MO, USA.
- Division of Neonatal-Perinatal Medicine, Department of Pediatrics, University of North Carolina Children's Hospital, Chapel Hill, NC, USA.
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Metzger CE, Grecco GG, Tak LY, Atwood BK, Allen MR. Two Weeks of Continuous Opioid Treatment in an Adenine-Induced Mouse Model of Chronic Kidney Disease Exacerbates the Bone Inflammatory State and Increases Osteoclasts. Calcif Tissue Int 2024; 115:174-184. [PMID: 38856730 PMCID: PMC11246326 DOI: 10.1007/s00223-024-01239-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Accepted: 05/24/2024] [Indexed: 06/11/2024]
Abstract
Patients with chronic kidney disease (CKD) report high pain levels, but reduced renal clearance eliminates many analgesic options; therefore, 30-50% of CKD patients have chronic opioid prescriptions. Opioid use in CKD is associated with higher fracture rates. Opioids may directly alter bone turnover directly through effects on bone cells and indirectly via increasing inflammation. We hypothesized that continuous opioid exposure would exacerbate the high bone turnover state of CKD and be associated with elevated measures of inflammation. Male C57Bl/6J mice after 8 weeks of adenine-induced CKD (AD) and non-AD controls (CON) had 14-day osmotic pumps (0.25-µL/hr release) containing either saline or 50-mg/mL oxycodone (OXY) surgically implanted in the subscapular region. After 2 weeks, all AD mice had elevated blood urea nitrogen, parathyroid hormone, and serum markers of bone turnover compared to controls with no effect of OXY. Immunohistochemical staining of the distal femur showed increased numbers of osteocytes positive for the mu opioid and for toll-like receptor 4 (TLR4) due to OXY. Osteocyte protein expression of tumor necrosis factor-α (TNF-α) and RANKL were higher due to both AD and OXY so that AD + OXY mice had the highest values. Trabecular osteoclast-covered surfaces were also significantly higher due to both AD and OXY, resulting in AD + OXY mice having 4.5-fold higher osteoclast-covered surfaces than untreated CON. These data demonstrate that opioids are associated with a pro-inflammatory state in osteocytes which increases the pro-resorptive state of CKD.
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Affiliation(s)
- Corinne E Metzger
- Department of Anatomy, Cell Biology, and Physiology, Indiana University School of Medicine, 635 Barnhill Drive, MS 5045, Indianapolis, IN, 46202, USA.
| | - Gregory G Grecco
- Department of Pharmacology & Toxicology, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
| | - Landon Y Tak
- Department of Anatomy, Cell Biology, and Physiology, Indiana University School of Medicine, 635 Barnhill Drive, MS 5045, Indianapolis, IN, 46202, USA
| | - Brady K Atwood
- Department of Pharmacology & Toxicology, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
- Stark Neurosciences Research Institute, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
| | - Matthew R Allen
- Department of Anatomy, Cell Biology, and Physiology, Indiana University School of Medicine, 635 Barnhill Drive, MS 5045, Indianapolis, IN, 46202, USA
- Roudebush Veterans Administration Medical Center, Indianapolis, IN, 46202, USA
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3
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De Gregorio C, Gallardo J, Berríos-Cárcamo P, Handy Á, Santapau D, González-Madrid A, Ezquer M, Morales P, Luarte A, Corvalán D, Wyneken Ú, Ezquer F. Methadone directly impairs central nervous system cells in vitro. Sci Rep 2024; 14:16978. [PMID: 39043899 PMCID: PMC11266518 DOI: 10.1038/s41598-024-67860-7] [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: 01/31/2024] [Accepted: 07/16/2024] [Indexed: 07/25/2024] Open
Abstract
Methadone is a synthetic long-acting opioid that is increasingly used in the replacement therapy of opioid-addicted patients, including pregnant women. However, methadone therapy in this population poses challenges, as it induces cognitive and behavioral impairments in infants exposed to this opioid during prenatal development. In animal models, prenatal methadone exposure results in detrimental consequences to the central nervous system, such as: (i) increased neuronal apoptosis; (ii) disruption of oligodendrocyte maturation and increased apoptosis and (iii) increased microglia and astrocyte activation. However, it remains unclear whether these deleterious effects result from a direct effect of methadone on brain cells. Therefore, our goal was to uncover the impact of methadone on single brain cell types in vitro. Primary cultures of rat neurons, oligodendrocytes, microglia, and astrocytes were treated for three days with 10 µM methadone to emulate a chronic administration. Apoptotic neurons were identified by cleaved caspase-3 detection, and synaptic density was assessed by the juxtaposition of presynaptic and postsynaptic markers. Apoptosis of oligodendrocyte precursors was determined by cleaved caspase-3 detection. Oligodendrocyte myelination was assessed by immunofluorescence, while microglia and astrocyte proinflammatory activation were assessed by both immunofluorescence and RT-qPCR. Methadone treatment increased neuronal apoptosis and reduced synaptic density. Furthermore, it led to increased oligodendrocyte apoptosis and a reduction in the myelinating capacity of these cells, and promoted the proinflammatory activation of microglia and astrocytes. We showed that methadone, the most widely used drug in opioid replacement therapy for pregnant women with opioid addiction, directly impairs brain cells in vitro, highlighting the need for developing alternative therapies to address opioid addiction in this population.
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Affiliation(s)
| | - Javiera Gallardo
- Center for Regenerative Medicine, Faculty of Medicine, Clínica Alemana-Universidad del Desarrollo, Avenida Plaza 680, Santiago, Chile
| | - Pablo Berríos-Cárcamo
- Center for Regenerative Medicine, Faculty of Medicine, Clínica Alemana-Universidad del Desarrollo, Avenida Plaza 680, Santiago, Chile
| | - Álex Handy
- Faculty of Natural Sciences, Mathematics, and Environment, Universidad Tecnológica Metropolitana, Santiago, Chile
| | - Daniela Santapau
- Center for Regenerative Medicine, Faculty of Medicine, Clínica Alemana-Universidad del Desarrollo, Avenida Plaza 680, Santiago, Chile
| | - Antonia González-Madrid
- Center for Regenerative Medicine, Faculty of Medicine, Clínica Alemana-Universidad del Desarrollo, Avenida Plaza 680, Santiago, Chile
| | - Marcelo Ezquer
- Center for Regenerative Medicine, Faculty of Medicine, Clínica Alemana-Universidad del Desarrollo, Avenida Plaza 680, Santiago, Chile
| | - Paola Morales
- Program of Molecular and Clinical Pharmacology, ICBM, Department of Neuroscience, Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Alejandro Luarte
- Neuroscience Program, Centro de Investigación e Innovación Biomédica (CiiB), Universidad de los Andes, Santiago, Chile
- IMPACT, Center of Interventional Medicine for Precision and Advanced Cellular Therapy, Santiago, Chile
| | - Daniela Corvalán
- Neuroscience Program, Centro de Investigación e Innovación Biomédica (CiiB), Universidad de los Andes, Santiago, Chile
- IMPACT, Center of Interventional Medicine for Precision and Advanced Cellular Therapy, Santiago, Chile
| | - Úrsula Wyneken
- Neuroscience Program, Centro de Investigación e Innovación Biomédica (CiiB), Universidad de los Andes, Santiago, Chile
- IMPACT, Center of Interventional Medicine for Precision and Advanced Cellular Therapy, Santiago, Chile
| | - Fernando Ezquer
- Center for Regenerative Medicine, Faculty of Medicine, Clínica Alemana-Universidad del Desarrollo, Avenida Plaza 680, Santiago, Chile.
- Research Center for the Development of Novel Therapeutics Alternatives for Alcohol Use Disorders, Santiago, Chile.
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Gao X, Wang S, Li Y, Zhou D, Peng X. Clinical Analysis of Different Anesthesia and Analgesia Methods for Patients Undergoing Uniportal Video-assisted Lung Surgery. Clin Ther 2024:S0149-2918(24)00147-4. [PMID: 39039005 DOI: 10.1016/j.clinthera.2024.06.009] [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: 04/23/2024] [Revised: 06/03/2024] [Accepted: 06/11/2024] [Indexed: 07/24/2024]
Abstract
PURPOSE The purpose of this study was to compare 3 intraoperative modalities to determine the best and most convenient one for pain control for uniportal lung surgery. This study compared general anesthesia with serratus plane block, general anesthesia with epidural, and general anesthesia alone to examine postoperative pain scores in patients. METHODS Eighty patients were enrolled and statistically analyzed. Three interventions were studied: general anesthesia with serratus plane block (group S), general anesthesia with thoracic epidural (group E), and general anesthesia only (group G). Outcome measures compared among the 3 groups included demographic characteristics; surgical types; anesthesia and operative time; postoperative pain scores; vital signs; morphine consumption at 0, 2, and 6 hours and day 1 and day 2 after surgery; incidence of opioid-related adverse events and chronic pain; hospital length of stay (LOS); and overall expenses. The numerical rating scale was used to assess the degree of pain on the first and second postoperative days. Postoperative morphine consumption, incidence of opioid-related side effects, hospital LOS, and overall hospital expenses were documented, as well as incidence of chronic postoperative pain. FINDINGS There was no difference in the incidence of opioid-related adverse events and chronic pain, hospital LOS, and overall expenses among the 3 groups. After investigating factors that may influence hospital LOS and overall expenses, the multivariable analysis indicated that only longer operative time was associated with longer hospital stay and more hospital expenses. IMPLICATIONS This prospective study found that general anesthesia alone offers an easy and efficient approach resulting in similar postoperative pain scores and morphine consumption compared with nerve block and epidural. Longer operative time was associated with longer hospital stay and more hospital expenses. CLINICALTRIALS gov identifier: NCT03839160. (Clin Ther. 2024;XX:XXX-XXX) © 2024 Elsevier HS Journals, Inc.
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Affiliation(s)
- Xuan Gao
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China.
| | - Shuwei Wang
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China.
| | - Yi Li
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Di Zhou
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Xuemei Peng
- Department of Anesthesiology, Shanghai Wusong Hospital, Shanghai, China
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Chen S, Liu J, Huang S. Effect of repeated intraperitoneal injections of different concentrations of oxycodone on immune function in mice. Front Pharmacol 2024; 15:1370663. [PMID: 38953110 PMCID: PMC11215192 DOI: 10.3389/fphar.2024.1370663] [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: 01/15/2024] [Accepted: 05/22/2024] [Indexed: 07/03/2024] Open
Abstract
Background The effect of oxycodone as an opioid receptor agonist on immune function is still controversial. In this study, we investigated the possible effects of oxycodone on immune function in mice and its possible mechanisms of action. Methods By repeated intraperitoneal injections of 25 mg/kg morphine and 5 mg/kg, 20 mg/kg, and 60 mg/kg oxycodone, we assessed possible changes in the number of splenic lymphocytes and inflammatory cytokines in the serum of mice. CD4+ T cells and CD8+ T cells were sorted from the spleen to observe whether the expression levels of opioid receptors and downstream signals were altered. Results Repeated administration of oxycodone at a dose above 20 mg/kg resulted in significant weight loss. Repeated administration of oxycodone exhibits significant dose-dependent reduction in CD4+ T cells, with little effect on CD8+ T cells and little effect on inflammatory cytokine levels. Low- and intermediate-dose oxycodone increased the mRNA expression level of MOR, KOR, and DOR to varying degrees. Moreover, oxycodone increases the mRNA expression levels of the TLR4 signaling pathway to varying degrees. Conclusion Repeated intraperitoneal injection of oxycodone induces immunosuppression in mice.
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Affiliation(s)
| | | | - Shaoqiang Huang
- Department of Anesthesia, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
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Flores A, Nguyen NM, Devanaboyina M, Sanketh S, Athota P, Jagadesan S, Guda C, Yelamanchili SV, Pendyala G. Neurobehavioral Characterization of Perinatal Oxycodone-Exposed Offspring in Early Adolescence. J Neuroimmune Pharmacol 2024; 19:29. [PMID: 38874861 DOI: 10.1007/s11481-024-10129-7] [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: 01/05/2024] [Accepted: 05/25/2024] [Indexed: 06/15/2024]
Abstract
The opioid epidemic has received considerable attention, but the impact on perinatal opioid-exposed (POE) offspring remains underexplored. This study addresses the emerging public health challenge of understanding and treating POE children. We examined two scenarios using preclinical models: offspring exposed to oxycodone (OXY) in utero (IUO) and acute postnatal OXY (PNO). We hypothesized exposure to OXY during pregnancy primes offspring for neurodevelopmental deficits and severity of deficits is dependent on timing of exposure. Notable findings include reduced head size and brain weight in offspring. Molecular analyses revealed significantly lower levels of inflammasome-specific genes in the prefrontal cortex (PFC). Gene Set Enrichment Analysis (GSEA) and Ingenuity Pathway Analysis (IPA) highlighted the enrichment of genes associated with mitochondrial and synapse dysfunction in POE offspring. Western blot analysis validated IPA predictions of mitochondrial dysfunction in PFC-derived synaptosomes. Behavioral studies identified significant social deficits in POE offspring. This study presents the first comparative analysis of acute PNO- and IUO-offspring during early adolescence finding acute PNO-offspring have considerably greater deficits. The striking difference in deficit severity in acute PNO-offspring suggests that exposure to opioids in late pregnancy pose the greatest risk for offspring well-being.
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Affiliation(s)
- Adrian Flores
- Department of Anesthesiology, University of Nebraska Medical Center (UNMC), Omaha, NE, 68198, USA
- Department of Cellular and Integrative Physiology, UNMC, Omaha, NE, 68198, USA
| | - Nghi M Nguyen
- Department of Anesthesiology, University of Nebraska Medical Center (UNMC), Omaha, NE, 68198, USA
- Department of Genetics, Cell Biology and Anatomy, UNMC, Omaha, NE, 68198, USA
- Child Health Research Institute, Omaha, NE, 68198, USA
| | - Murali Devanaboyina
- Department of Anesthesiology, University of Nebraska Medical Center (UNMC), Omaha, NE, 68198, USA
| | - Samarth Sanketh
- Department of Anesthesiology, University of Nebraska Medical Center (UNMC), Omaha, NE, 68198, USA
| | - Pranavi Athota
- Department of Anesthesiology, University of Nebraska Medical Center (UNMC), Omaha, NE, 68198, USA
| | | | - Chittibabu Guda
- Department of Genetics, Cell Biology and Anatomy, UNMC, Omaha, NE, 68198, USA
| | - Sowmya V Yelamanchili
- Department of Anesthesiology, University of Nebraska Medical Center (UNMC), Omaha, NE, 68198, USA
- Department of Genetics, Cell Biology and Anatomy, UNMC, Omaha, NE, 68198, USA
- National Strategic Research Institute, UNMC, Omaha, NE, USA
| | - Gurudutt Pendyala
- Department of Anesthesiology, University of Nebraska Medical Center (UNMC), Omaha, NE, 68198, USA.
- Department of Genetics, Cell Biology and Anatomy, UNMC, Omaha, NE, 68198, USA.
- Child Health Research Institute, Omaha, NE, 68198, USA.
- National Strategic Research Institute, UNMC, Omaha, NE, USA.
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Sarkar S, Hill DD, Rosenberg AF, Eaton EF, Kutsch O, Kobie JJ. Injection Drug Use Alters Plasma Regulation of the B Cell Response. Cells 2024; 13:1011. [PMID: 38920641 PMCID: PMC11202061 DOI: 10.3390/cells13121011] [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: 04/26/2024] [Revised: 06/05/2024] [Accepted: 06/06/2024] [Indexed: 06/27/2024] Open
Abstract
The opioid epidemic continues to be a major public health issue that includes millions of people who inject drugs (PWID). PWID have increased incidence of serious infections, including HIV as well as metabolic and inflammatory sequelae. We sought to discern the extent of systemic alterations in humoral immunity associated with injection drug use, including alterations in the plasma proteome and its regulation of B cell responsiveness. Comprehensive plasma proteomics analysis of HIV negative/hepatitis C negative individuals with a history of recent injection heroin use was performed using mass spectrometry and ELISA. The effects of plasma from PWID and healthy controls on the in vitro proliferation and transcriptional profile of B cell responses to stimulation were determined by flow cytometry and RNA-Seq. The plasma proteome of PWID was distinct from healthy control individuals, with numerous immune-related analytes significantly altered in PWID, including complement (C3, C5, C9), immunoglobulin (IgD, IgM, kappa light chain), and other inflammatory mediators (CXCL4, LPS binding protein, C-reactive protein). The plasma of PWID suppressed the in vitro proliferation of B cells. Transcriptome analysis indicated that PWID plasma treatment increased B cell receptor and CD40 signaling and shifted B cell differentiation from plasma cell-like toward germinal center B cell-like transcriptional profiles. These results indicate that the systemic inflammatory milieu is substantially altered in PWID and may impact their B cell responses.
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Affiliation(s)
- Sanghita Sarkar
- Infectious Diseases Division, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL 35249, USA
| | - Dave D. Hill
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL 35249, USA
| | - Alexander F. Rosenberg
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL 35249, USA
| | - Ellen F. Eaton
- Infectious Diseases Division, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL 35249, USA
| | - Olaf Kutsch
- Infectious Diseases Division, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL 35249, USA
| | - James J. Kobie
- Infectious Diseases Division, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL 35249, USA
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Chen Y, Li S, Guo F. Tsc22d3 promotes morphine tolerance in mice through the GPX4 ferroptosis pathway. Aging (Albany NY) 2024; 16:9859-9875. [PMID: 38843390 PMCID: PMC11210220 DOI: 10.18632/aging.205903] [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: 01/24/2024] [Accepted: 04/18/2024] [Indexed: 06/22/2024]
Abstract
BACKGROUND Morphine tolerance refers to gradual reduction in response to drug with continuous or repeated use of morphine, requiring higher doses to achieve same effect. METHODS The morphine tolerance dataset GSE7762 profiles, obtained from gene expression omnibus (GEO) database, were used to identify differentially expressed genes (DEGs). Weighted Gene Co-expression Network Analysis (WGCNA) was applied to explore core modules of DEGs related to morphine tolerance. Core genes were input into Comparative Toxicogenomics Database (CTD). Animal experiments were performed to validate role of Tsc22d3 in morphine tolerance and its relationship with ferroptosis-related pathway. RESULTS 500 DEGs were identified. DEGs were primarily enriched in negative regulation of brain development, neuronal apoptosis processes, and neurosystem development. Core gene was identified as Tsc22d3. Tsc22d3 gene-associated miRNAs were mmu-miR-196b-5p and mmu-miR-196a-5p. Compared to Non-morphine tolerant group, Tsc22d3 expression was significantly upregulated in Morphine tolerant group. Tsc22d3 expression was upregulated in Morphine tolerant+Tsc22d3_OE, expression of HIF-1alpha, GSH, GPX4 in GPX4 ferroptosis-related pathway showed a more pronounced decrease. As Tsc22d3 expression was downregulated in Morphine tolerant+Tsc22d3_KO, expression of HIF-1alpha, GSH, GPX4 in GPX4 ferroptosis-related pathway exhibited a more pronounced increase. Upregulation of Tsc22d3 in Morphine tolerant+Tsc22d3_OE led to a more pronounced increase in expression of apoptosis proteins (P53, Caspase-3, Bax, SMAC, FAS). The expression of inflammatory factors (IL6, TNF-alpha, CXCL1, CXCL2) showed a more pronounced increase with upregulated Tsc22d3 expression in Morphine tolerant+Tsc22d3_OE. CONCLUSIONS Tsc22d3 is highly expressed in brain tissue of morphine-tolerant mice, activating ferroptosis pathway, enhancing apoptosis, promoting inflammatory responses in brain cells.
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Affiliation(s)
- Yan Chen
- Department of Anesthesiology, Children’s Hospital of Hebei Province, Shijiazhuang 050071, Hebei, P.R. China
| | - Shan Li
- Department of Oncology, Hebei General Hospital, Shijiazhuang 050051, Hebei, P.R. China
| | - Fenghui Guo
- Department of Anesthesiology, Fourth Hospital of Hebei Medical University, Shijiazhuang 050011, Hebei, P.R. China
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Li Y, Sun L, Zhou Q, Lee AJ, Wang L, Zhang R, Wang S. Effects of opioid drugs on immune function in cancer patients. Biomed Pharmacother 2024; 175:116665. [PMID: 38701564 DOI: 10.1016/j.biopha.2024.116665] [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: 09/20/2023] [Revised: 04/19/2024] [Accepted: 04/24/2024] [Indexed: 05/05/2024] Open
Abstract
Opioid receptor agonists are often used when cancer patients undergo surgery or analgesic treatment. As analgesics in clinical care, opioids can provide intraoperative or to chronic cancer pain relief. Immune function plays an important role in anti-cancer therapy, with cellular immunity, comprised principally of T-lymphocytes and natural killer cells, representing the primary anti-cancer immune response. However, it remains unclear whether immune function is further affected with the use of opioids in already immunocompromised cancer patients. This article provides a review of the effects of commonly used clinical opioids, including morphine, oxycodone, fentanyl and tramadol, on immune function in cancer patients. It provides a summary of current evidence regarding the immunomodulatory effects of opioids in the cancer setting and mechanisms underlying these interactions.
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Affiliation(s)
- Yunqi Li
- School of Anesthesiology, Weifang Medical University, Weifang 261053, China
| | - Lina Sun
- School of Anesthesiology, Weifang Medical University, Weifang 261053, China.
| | - Qinglian Zhou
- School of Anesthesiology, Weifang Medical University, Weifang 261053, China
| | - An Jie Lee
- Biological Sciences, University of California San Diego, La Jolla, CA 92093, United States
| | - Lingyan Wang
- School of Anesthesiology, Weifang Medical University, Weifang 261053, China
| | - Rui Zhang
- School of Anesthesiology, Weifang Medical University, Weifang 261053, China.
| | - Shoushi Wang
- Affiliated Qingdao Central Hospital of Qingdao University, Qingdao Cancer Hospital, Qingdao 266042, China.
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Badshah I, Anwar M, Murtaza B, Khan MI. Molecular mechanisms of morphine tolerance and dependence; novel insights and future perspectives. Mol Cell Biochem 2024; 479:1457-1485. [PMID: 37470850 DOI: 10.1007/s11010-023-04810-3] [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: 02/03/2023] [Accepted: 07/06/2023] [Indexed: 07/21/2023]
Abstract
Drug addiction is a devastating condition that poses a serious burden on the society. The use of some drugs like morphine for their tremendous analgesic properties is also accompanied with developing tolerance, dependence and the withdrawal symptoms. These symptoms are frequently severe enough to reinforce the person in recovery to start over the use of drug again and hinder the clinical use of drugs like morphine for chronic pain. Research into opioid receptors and related molecular pathways has seen resurgence in the wake of the growing opioid epidemic. The current study provides a comprehensive scientific exploration of the molecular mechanisms and underlying signalling in morphine tolerance and dependence. It also critically evaluates current therapeutic approaches, shedding light on their efficacy and limitations, and future prospects.
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Affiliation(s)
- Ismail Badshah
- Riphah Institute of Pharmaceutical Sciences, G-7/4 Campus, Islamabad, Pakistan
| | - Maira Anwar
- Riphah Institute of Pharmaceutical Sciences, G-7/4 Campus, Islamabad, Pakistan
| | - Babar Murtaza
- Riphah Institute of Pharmaceutical Sciences, G-7/4 Campus, Islamabad, Pakistan.
| | - Muhammad Imran Khan
- Department of Biomedical Sciences, Pak Austria Fachhochschule: Institute of Applied Sciences and Technology, Haripur, Khyber Pakhtunkhwa, Pakistan.
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Tavakoli-Yaraki M, Abbasi A, Pishkenari FN, Baranipour S, Jahangirifard A, Mirtajani SB, Mejareh ZN, Vaezi MA, Yavarian J, Abdollahi B, Mokhtari-Azad T, Salimi V. Beyond prediction: unveiling the prognostic power of μ-opioid and cannabinoid receptors, alongside immune mediators, in assessing the severity of SARS-CoV-2 infection. BMC Infect Dis 2024; 24:398. [PMID: 38609845 PMCID: PMC11015610 DOI: 10.1186/s12879-024-09280-6] [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: 10/27/2023] [Accepted: 04/02/2024] [Indexed: 04/14/2024] Open
Abstract
BACKGROUND This study aims to explore the potential of utilizing the expression levels of cannabinoid receptor 2 (CB2), μ-opioid receptor (MOR), MCP-1, IL-17, IFN-γ, and osteopontin as predictors for the severity of SARS-CoV-2 infection. The overarching goal is to delineate the pathogenic mechanisms associated with SARS-CoV-2. METHODS Using quantitative Real-time PCR, we analyzed the gene expression levels of CB2 and MOR in nasopharynx specimens obtained from patients diagnosed with SARS-CoV-2 infection, with 46 individuals classified as having severe symptoms and 46 as non-severe. Additionally, we measured the circulating levels of MCP-1, IL-17, IFN-γ, and osteopontin using an ELISA assay. We examined the predictive capabilities of these variables and explored their correlations across all patient groups. RESULTS Our results demonstrated a significant increase in MOR gene expression in the epithelium of patients with severe infection. The expression of CB2 receptor was also elevated in both male and female patients with severe symptoms. Furthermore, we observed concurrent rises in MCP-1, IL-17, IFN-γ, and osteopontin levels in patients, which were linked to disease severity. CB2, MOR, MCP-1, IL-17, IFN-γ, and osteopontin showed strong predictive abilities in distinguishing between patients with varying degrees of SARS-CoV-2 severity. Moreover, we identified a significant correlation between CB2 expression and the levels of MOR, MCP-1, osteopontin, and IFN-γ. CONCLUSIONS These results underline the interconnected nature of molecular mediators in a sequential manner, suggesting that their overexpression may play a role in the development of SARS-CoV-2 infections.
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Affiliation(s)
- Masoumeh Tavakoli-Yaraki
- Department of Biochemistry, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Aida Abbasi
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, P.O. Box: 1417613151, Iran
| | - Fatemeh Nejat Pishkenari
- Department of Biochemistry, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Saeed Baranipour
- Department of Biochemistry, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Alireza Jahangirifard
- Lung Transplant Research Center, National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Seyed Bashir Mirtajani
- Lung Transplant Research Center, National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Zahra Noorani Mejareh
- Student Research Committee, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mohammad Amin Vaezi
- Department of Biochemistry, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Jila Yavarian
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, P.O. Box: 1417613151, Iran
| | - Bahare Abdollahi
- Student Research Committee, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Talat Mokhtari-Azad
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, P.O. Box: 1417613151, Iran
| | - Vahid Salimi
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, P.O. Box: 1417613151, Iran.
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12
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Tang Y, Zhou M, Mao Z, Zhu B, Zhou F, Ye X, Chen Y, Ding Z. Structure of a polysaccharide MDP2-1 from Melastoma dodecandrum Lour. and its anti-inflammatory effects. Int J Biol Macromol 2024; 265:131015. [PMID: 38521298 DOI: 10.1016/j.ijbiomac.2024.131015] [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: 09/09/2023] [Revised: 03/01/2024] [Accepted: 03/18/2024] [Indexed: 03/25/2024]
Abstract
The anti-inflammatory activity of polysaccharides derived from Melastoma dodecandrum Lour. was evaluated in pyretic mice and HEK-Blue™ hTLR4 cells. The testing led to the identification of MDP2-1, which was then investigated for its structural characteristics and anti-inflammatory effects. Results showed that MDP2-1 had a molecular weight of 29.234 kDa and primarily consisted of galactose, arabinose, rhamnose, glucose, glucuronic acid, and galacturonic acid. Its main backbone was composed of →4)-α-D-GalpA-(1→, →2)-α-L-Rhap-(1→, →3,4)-α-D-GalpA-(1→, →2,4)-α-D-GlcpA-(1→, and its side chains were connected by →4)-α-D-Galp-(1→, α-D-Galp-(1→, →4)-β-D-Glcp-(1→, and α-L-Araf-(1→. In vivo experiments on mice demonstrated that MDP2-1 attenuated LPS-induced acute lung injury, and in vitro experiments on RAW264.7 cells showed that MDP2-1 reduced the levels of inflammatory mediators and mitigated LPS-induced inflammatory damage by inhibiting the activation of the TLR4 downstream NF-κB/MAPK pathway. These findings suggest that MDP2-1 is a novel anti-inflammatory agent for therapeutic interventions.
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Affiliation(s)
- Youying Tang
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou 310053, Zhejiang, China
| | - Mingyuan Zhou
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou 310053, Zhejiang, China
| | - Zian Mao
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou 310053, Zhejiang, China
| | - Bingqi Zhu
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou 310053, Zhejiang, China
| | - Fangmei Zhou
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou 310053, Zhejiang, China
| | - Xiaoqing Ye
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou 310053, Zhejiang, China
| | - Yuchi Chen
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou 310053, Zhejiang, China.
| | - Zhishan Ding
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou 310053, Zhejiang, China.
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13
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Amodeo G, Magni G, Galimberti G, Riboldi B, Franchi S, Sacerdote P, Ceruti S. Neuroinflammation in osteoarthritis: From pain to mood disorders. Biochem Pharmacol 2024:116182. [PMID: 38556026 DOI: 10.1016/j.bcp.2024.116182] [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: 02/06/2024] [Revised: 03/19/2024] [Accepted: 03/28/2024] [Indexed: 04/02/2024]
Abstract
Osteoarthritis (OA) is the most common form of musculoskeletal disease, and its prevalence is increasing due to the aging of the population. Chronic pain is the most burdensome symptom of OA that significantly lowers patients' quality of life, also due to its frequent association with emotional comorbidities, such as anxiety and depression. In recent years, both chronic pain and mood alterations have been linked to the development of neuroinflammation in the peripheral nervous system, spinal cord and supraspinal brain areas. Thus, mechanisms at the basis of the development of the neuroinflammatory process may indicate promising targets for novel treatment for pain and affective comorbidities that accompany OA. In order to assess the key role of neuroinflammation in the maintenance of chronic pain and its potential involvement in development of psychiatric components, the monoiodoacetate (MIA) model of OA in rodents has been used and validated. In the present commentary article, we aim to summarize up-to-date results achieved in this experimental model of OA, focusing on glia activation and cytokine production in the sciatic nerve, dorsal root ganglia (DRGs), spinal cord and brain areas. The association of a neuroinflammatory state with the development of pain and anxiety- and depression-like behaviors are discussed. Results suggest that cells and molecules involved in neuroinflammation may represent novel targets for innovative pharmacological treatments of OA pain and mood comorbidities.
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Affiliation(s)
- Giada Amodeo
- Laboratory of Pain Therapy and Neuroimmunology, Department of Pharmacological and Biomolecular Sciences "Rodolfo Paoletti", Università degli Studi di Milano, Via Balzaretti, 9 -20133 Milan (IT), Italy
| | - Giulia Magni
- Laboratory of Pain Therapy and Neuroimmunology, Department of Pharmacological and Biomolecular Sciences "Rodolfo Paoletti", Università degli Studi di Milano, Via Balzaretti, 9 -20133 Milan (IT), Italy
| | - Giulia Galimberti
- Laboratory of Pain Therapy and Neuroimmunology, Department of Pharmacological and Biomolecular Sciences "Rodolfo Paoletti", Università degli Studi di Milano, Via Balzaretti, 9 -20133 Milan (IT), Italy
| | - Benedetta Riboldi
- Laboratory of Pain Therapy and Neuroimmunology, Department of Pharmacological and Biomolecular Sciences "Rodolfo Paoletti", Università degli Studi di Milano, Via Balzaretti, 9 -20133 Milan (IT), Italy
| | - Silvia Franchi
- Laboratory of Pain Therapy and Neuroimmunology, Department of Pharmacological and Biomolecular Sciences "Rodolfo Paoletti", Università degli Studi di Milano, Via Balzaretti, 9 -20133 Milan (IT), Italy
| | - Paola Sacerdote
- Laboratory of Pain Therapy and Neuroimmunology, Department of Pharmacological and Biomolecular Sciences "Rodolfo Paoletti", Università degli Studi di Milano, Via Balzaretti, 9 -20133 Milan (IT), Italy
| | - Stefania Ceruti
- Laboratory of Pain Therapy and Neuroimmunology, Department of Pharmacological and Biomolecular Sciences "Rodolfo Paoletti", Università degli Studi di Milano, Via Balzaretti, 9 -20133 Milan (IT), Italy.
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14
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Kheirabadi D, Minhas D, Ghaderpanah R, Clauw DJ. Problems with opioids beyond misuse. Best Pract Res Clin Rheumatol 2024:101935. [PMID: 38429184 DOI: 10.1016/j.berh.2024.101935] [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: 01/22/2024] [Accepted: 01/25/2024] [Indexed: 03/03/2024]
Abstract
The U.S. is grappling with an opioid epidemic, with millions of adults on long-term opioid therapy (LTOT). Although patients often report pain relief and improved daily function with opioids, research shows no significant differences in short-term outcomes between opioid and non-opioid users, as well as no long-term opioid benefits. This scoping review aims to identify lesser-known side effects of long-term opioid use and increase awareness of them, allowing healthcare providers and patients to better assess the risks and benefits of opioid use. Our data search from PubMed and Google Scholar used keywords related to opioids, chronic pain, hypogonadism, endocrinopathies, cancer progression, cardiovascular events, renovascular events, sleep disturbances, mood disorders and others, narrowing down to English-language full articles published from January 2018 to April 2023. This review emphasizes the probable serious adverse consequences of long-term opioid use on various body systems in patients with chronic pain. Given the lack of long-term benefits and significant adverse effects, our review underscores the critical need for healthcare providers to include these risks in discussions with patients when considering the long-term use of opioid therapy.
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Affiliation(s)
- Dorna Kheirabadi
- Department of Anesthesiology, Chronic Pain and Fatigue Research Center, University of Michigan Medical School, Ann Arbor, MI, United States.
| | - Deeba Minhas
- Department of Internal Medicine, Division of Rheumatology, University of Michigan Medical School, 300 North Ingalls Building, Ann Arbor, MI, 48109-5422, United States.
| | - Rezvan Ghaderpanah
- Department of Physiology and Aging, College of Medicine, University of Florida, United States.
| | - Daniel J Clauw
- Departments of Anesthesiology, Medicine (Rheumatology), and Psychiatry, Chronic Pain and Fatigue Research Center, University of Michigan Medical School, Ann Arbor, MI, United States.
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15
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Fan A, Gao M, Tang X, Jiao M, Wang C, Wei Y, Gong Q, Zhong J. HMGB1/RAGE axis in tumor development: unraveling its significance. Front Oncol 2024; 14:1336191. [PMID: 38529373 PMCID: PMC10962444 DOI: 10.3389/fonc.2024.1336191] [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: 11/10/2023] [Accepted: 02/15/2024] [Indexed: 03/27/2024] Open
Abstract
High mobility group protein 1 (HMGB1) plays a complex role in tumor biology. When released into the extracellular space, it binds to the receptor for advanced glycation end products (RAGE) located on the cell membrane, playing an important role in tumor development by regulating a number of biological processes and signal pathways. In this review, we outline the multifaceted functions of the HMGB1/RAGE axis, which encompasses tumor cell proliferation, apoptosis, autophagy, metastasis, and angiogenesis. This axis is instrumental in tumor progression, promoting tumor cell proliferation, autophagy, metastasis, and angiogenesis while inhibiting apoptosis, through pivotal signaling pathways, including MAPK, NF-κB, PI3K/AKT, ERK, and STAT3. Notably, small molecules, such as miRNA-218, ethyl pyruvate (EP), and glycyrrhizin exhibit the ability to inhibit the HMGB1/RAGE axis, restraining tumor development. Therefore, a deeper understanding of the mechanisms of the HMGB1/RAGE axis in tumors is of great importance, and the development of inhibitors targeting this axis warrants further exploration.
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Affiliation(s)
- Anqi Fan
- College of Life Science, Yangtze University, Jingzhou, Hubei, China
| | - Mengxiang Gao
- College of Life Science, Yangtze University, Jingzhou, Hubei, China
| | - Xuhuan Tang
- Department of Immunology, School of Basic Medicine, Tongji Medical College and State Key Laboratory for Diagnosis and Treatment of Severe Zoonostic Infectious Disease, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Mengya Jiao
- Department of Immunology, School of Basic Medicine, Tongji Medical College and State Key Laboratory for Diagnosis and Treatment of Severe Zoonostic Infectious Disease, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Chenchen Wang
- National Demonstration Center for Experimental Basic Medical Education, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yingying Wei
- Department of Rheumatology and Immunology, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Quan Gong
- Department of Immunology, School of Medicine, Yangtze University, Jingzhou, Hubei, China
| | - Jixin Zhong
- Department of Rheumatology and Immunology, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, Hubei, China
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16
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Zhan J, Wang J, Liang Y, Wang L, Huang L, Liu S, Zeng X, Zeng E, Wang H. Apoptosis dysfunction: unravelling the interplay between ZBP1 activation and viral invasion in innate immune responses. Cell Commun Signal 2024; 22:149. [PMID: 38402193 PMCID: PMC10893743 DOI: 10.1186/s12964-024-01531-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Accepted: 02/13/2024] [Indexed: 02/26/2024] Open
Abstract
Apoptosis plays a pivotal role in pathogen elimination and maintaining homeostasis. However, viruses have evolved strategies to evade apoptosis, enabling their persistence within the host. Z-DNA binding protein 1 (ZBP1) is a potent innate immune sensor that detects cytoplasmic nucleic acids and activates the innate immune response to clear pathogens. When apoptosis is inhibited by viral invasion, ZBP1 can be activated to compensate for the effect of apoptosis by triggering an innate immune response. This review examined the mechanisms of apoptosis inhibition and ZBP1 activation during viral invasion. The authors outlined the mechanisms of ZBP1-induced type I interferon, pyroptosis and necroptosis, as well as the crosstalk between ZBP1 and the cGAS-STING signalling pathway. Furthermore, ZBP1 can reverse the suppression of apoptotic signals induced by viruses. Intriguingly, a positive feedback loop exists in the ZBP1 signalling pathway, which intensifies the innate immune response while triggering a cytokine storm, leading to tissue and organ damage. The prudent use of ZBP1, which is a double-edged sword, has significant clinical implications for treating infections and inflammation.
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Affiliation(s)
- Jianhao Zhan
- Department of Neurosurgery, the First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, 330006, China
- HuanKui Academy, Nanchang University, Nanchang, Jiangxi Province, 330006, China
| | - Jisheng Wang
- Department of Neurosurgery, the First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, 330006, China
| | - Yuqing Liang
- School of Basic Medical Sciences, Nanchang University, Nanchang, Jiangxi Province, 330006, China
| | - Lisha Wang
- HuanKui Academy, Nanchang University, Nanchang, Jiangxi Province, 330006, China
| | - Le Huang
- HuanKui Academy, Nanchang University, Nanchang, Jiangxi Province, 330006, China
| | - Shanshan Liu
- School of Basic Medical Sciences, Nanchang University, Nanchang, Jiangxi Province, 330006, China
| | - Xiaoping Zeng
- School of Basic Medical Sciences, Nanchang University, Nanchang, Jiangxi Province, 330006, China
- Medical College, Jinhua Polytechnic, Jinhua, Zhejiang Province, 321017, China
| | - Erming Zeng
- Department of Neurosurgery, the First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, 330006, China.
| | - Hongmei Wang
- Department of Neurosurgery, the First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, 330006, China.
- School of Basic Medical Sciences, Nanchang University, Nanchang, Jiangxi Province, 330006, China.
- Medical College, Jinhua Polytechnic, Jinhua, Zhejiang Province, 321017, China.
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17
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Gao J, Lin C, Zhang C, Zhang X, Wang Y, Xu H, Zhang T, Li H, Wang H, Wang X. Exploring the Function of (+)-Naltrexone Precursors: Their Activity as TLR4 Antagonists and Potential in Treating Morphine Addiction. J Med Chem 2024; 67:3127-3143. [PMID: 38306598 DOI: 10.1021/acs.jmedchem.3c02316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2024]
Abstract
Disruptions in the toll-like receptor 4 (TLR4) signaling pathway are linked to chronic inflammation, neuropathic pain, and drug addiction. (+)-Naltrexone, an opioid-derived TLR4 antagonist with a (+)-isomer configuration, does not interact with classical opioid receptors and has moderate blood-brain barrier permeability. Herein, we developed a concise 10-step synthesis for (+)-naltrexone and explored its precursors, (+)-14-hydroxycodeinone (1) and (+)-14-hydroxymorphinone (3). These precursors exhibited TLR4 antagonistic activities 100 times stronger than (+)-naltrexone, particularly inhibiting the TLR4-TRIF pathway. In vivo studies showed that these precursors effectively reduced behavioral effects of morphine, like sensitization and conditioned place preference by suppressing microglial activation and TNF-α expression in the medial prefrontal cortex and ventral tegmental area. Additionally, 3 displayed a longer half-life and higher oral bioavailability than 1. Overall, this research optimized (+)-naltrexone synthesis and identified its precursors as potent TLR4 antagonists, offering potential treatments for morphine addiction.
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Affiliation(s)
- Jingwei Gao
- Laboratory of Chemical Biology, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Cong Lin
- Laboratory of Chemical Biology, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, China
| | - Cong Zhang
- Laboratory of Chemical Biology, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Xiaozheng Zhang
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Shanxi Medical University, Taiyuan, Shanxi 030001, China
| | - Yibo Wang
- Laboratory of Chemical Biology, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, China
| | - Hangyu Xu
- Laboratory of Chemical Biology, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, China
| | - Tianshu Zhang
- Laboratory of Chemical Biology, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Haohong Li
- Liangzhu Laboratory, MOE Frontier Science Center for Brain Science and Brain-Machine Integration, State Key Laboratory of Brain-Machine Intelligence, Zhejiang University, Hangzhou, Zhejiang 311121, China
| | - Hongshuang Wang
- Laboratory of Chemical Biology, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, China
| | - Xiaohui Wang
- Laboratory of Chemical Biology, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, Anhui 230026, China
- Beijing National Laboratory for Molecular Sciences, Beijing 100190, China
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Martínez-Cuevas FL, Cruz SL, González-Espinosa C. Methadone Requires the Co-Activation of μ-Opioid and Toll-Like-4 Receptors to Produce Extracellular DNA Traps in Bone-Marrow-Derived Mast Cells. Int J Mol Sci 2024; 25:2137. [PMID: 38396814 PMCID: PMC10889600 DOI: 10.3390/ijms25042137] [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: 01/19/2024] [Revised: 02/02/2024] [Accepted: 02/06/2024] [Indexed: 02/25/2024] Open
Abstract
Methadone is an effective and long-lasting analgesic drug that is also used in medication-assisted treatment for people with opioid use disorders. Although there is evidence that methadone activates μ-opioid and Toll-like-4 receptors (TLR-4s), its effects on distinct immune cells, including mast cells (MCs), are not well characterized. MCs express μ-opioid and Toll-like receptors (TLRs) and constitute an important cell lineage involved in allergy and effective innate immunity responses. In the present study, murine bone-marrow-derived mast cells (BMMCs) were treated with methadone to evaluate cell viability by flow cytometry, cell morphology with immunofluorescence and scanning electron microscopy, reactive oxygen species (ROS) production, and intracellular calcium concentration ([Ca2+]i) increase. We found that exposure of BMMCs to 0.5 mM or 1 mM methadone rapidly induced cell death by forming extracellular DNA traps (ETosis). Methadone-induced cell death depended on ROS formation and [Ca2+]i. Using pharmacological approaches and TLR4-defective BMMC cultures, we found that µ-opioid receptors were necessary for both methadone-induced ROS production and intracellular calcium increase. Remarkably, TLR4 receptors were also involved in methadone-induced ROS production as it did not occur in BMMCs obtained from TLR4-deficient mice. Finally, confocal microscopy images showed a significant co-localization of μ-opioid and TLR4 receptors that increased after methadone treatment. Our results suggest that methadone produces MCETosis by a mechanism requiring a novel crosstalk pathway between μ-opioid and TLR4 receptors.
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Affiliation(s)
- Frida L. Martínez-Cuevas
- Departamento de Farmacobiología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (Cinvestav, IPN), Unidad Sede Sur, Calzada de los Tenorios No. 235, Col. Rinconada de las Hadas, México City CP 14330, Mexico;
| | - Silvia L. Cruz
- Departamento de Farmacobiología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (Cinvestav, IPN), Unidad Sede Sur, Calzada de los Tenorios No. 235, Col. Rinconada de las Hadas, México City CP 14330, Mexico;
| | - Claudia González-Espinosa
- Departamento de Farmacobiología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (Cinvestav, IPN), Unidad Sede Sur, Calzada de los Tenorios No. 235, Col. Rinconada de las Hadas, México City CP 14330, Mexico;
- Centro de Investigación Sobre el Envejecimiento, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (Cinvestav, IPN), Unidad Sede Sur, Calzada de los Tenorios, No. 235, Col. Rinconada de las Hadas, México City CP 14330, Mexico
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Bettinger JJ, Friedman BC. Opioids and Immunosuppression: Clinical Evidence, Mechanisms of Action, and Potential Therapies. Palliat Med Rep 2024; 5:70-80. [PMID: 38435086 PMCID: PMC10908329 DOI: 10.1089/pmr.2023.0049] [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] [Accepted: 11/21/2023] [Indexed: 03/05/2024] Open
Abstract
Background In addition to the more well-known adverse effects of opioids, such as constipation, mounting evidence supports underlying immunosuppressive effects as well. Methods In this study, we provide a narrative review of preclinical and clinical evidence of opioid suppression of the immune system as well as possible considerations for therapies. Results In vitro and animal studies have shown clear effects of opioids on inflammatory cytokine expression, immune cell activity, and pathogen susceptibility. Observational data in humans have so far supported preclinical findings, with multiple reports of increased rates of infections in various settings of opioid use. However, the extent to which this risk is due to the impact of opioids on the immune system compared with other risk factors associated with opioid use remains uncertain. Considering the data showing immunosuppression and increased risk of infection with opioid use, measures are needed to mitigate this risk in patients who require ongoing treatment with opioids. In preclinical studies, administration of opioid receptor antagonists blocked the immunomodulatory effects of opioids. Conclusions As selective antagonists of peripheral opioid receptors, peripherally acting mu-opioid receptor (MOR) antagonists may be able to protect against immune impairment while still allowing for opioid analgesia. Future research is warranted to further investigate the relationship between opioids and infection risk as well as the potential application of peripherally acting MOR antagonists to counteract these risks.
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Affiliation(s)
- Jeffrey J. Bettinger
- Pain Management, Saratoga Hospital Medical Group, Saratoga Springs, New York, USA
| | - Bruce C. Friedman
- JM Still Burn Center, Doctors Hospital of Augusta, Augusta, Georgia, USA
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Jelen LA, Young AH, Mehta MA. Opioid Mechanisms and the Treatment of Depression. Curr Top Behav Neurosci 2024; 66:67-99. [PMID: 37923934 DOI: 10.1007/7854_2023_448] [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] [Indexed: 11/06/2023]
Abstract
Opioid receptors are widely expressed in the brain, and the opioid system has a key role in modulating mood, reward processing and stress responsivity. There is mounting evidence that the endogenous opioid system may be dysregulated in depression and that drug treatments targeting mu, delta and kappa opioid receptors may show antidepressant potential. The mechanisms underlying the therapeutic effects of opioid system engagement are complex and likely multi-factorial. This chapter explores various pathways through which the modulation of the opioid system may influence depression. These include impacts on monoaminergic systems, the regulation of stress and the hypothalamic-pituitary-adrenal axis, the immune system and inflammation, brain-derived neurotrophic factors, neurogenesis and neuroplasticity, social pain and social reward, as well as expectancy and placebo effects. A greater understanding of the diverse mechanisms through which opioid system modulation may improve depressive symptoms could ultimately aid in the development of safe and effective alternative treatments for individuals with difficult-to-treat depression.
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Affiliation(s)
- Luke A Jelen
- Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK.
- South London and Maudsley NHS Foundation Trust, London, UK.
| | - Allan H Young
- Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
- South London and Maudsley NHS Foundation Trust, London, UK
| | - Mitul A Mehta
- Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
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Khomula EV, Araldi D, Green PG, Levine JD. Sensitization of human and rat nociceptors by low dose morphine is toll-like receptor 4-dependent. Mol Pain 2024; 20:17448069241227922. [PMID: 38195088 PMCID: PMC10851754 DOI: 10.1177/17448069241227922] [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: 12/23/2023] [Accepted: 01/06/2024] [Indexed: 01/11/2024] Open
Abstract
While opioids remain amongst the most effective treatments for moderate-to-severe pain, their substantial side effect profile remains a major limitation to broader clinical use. One such side effect is opioid-induced hyperalgesia (OIH), which includes a transition from opioid-induced analgesia to pain enhancement. Evidence in rodents supports the suggestion that OIH may be produced by the action of opioids at Toll-like Receptor 4 (TLR4) either on immune cells that, in turn, produce pronociceptive mediators to act on nociceptors, or by a direct action at nociceptor TLR4. And, sub-analgesic doses of several opioids have been shown to induce hyperalgesia in rodents by their action as TLR4 agonists. In the present in vitro patch-clamp electrophysiology experiments, we demonstrate that low dose morphine directly sensitizes human as well as rodent dorsal root ganglion (DRG) neurons, an effect of this opioid analgesic that is antagonized by LPS-RS Ultrapure, a selective TLR4 antagonist. We found that low concentration (100 nM) of morphine reduced rheobase in human (by 36%) and rat (by 26%) putative C-type nociceptors, an effect of morphine that was markedly attenuated by preincubation with LPS-RS Ultrapure. Our findings support the suggestion that in humans, as in rodents, OIH is mediated by the direct action of opioids at TLR4 on nociceptors.
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Affiliation(s)
- Eugen V Khomula
- Department of Oral & Maxillofacial Surgery, University of California at San Francisco, San Francisco, CA, USA
| | - Dionéia Araldi
- Department of Oral & Maxillofacial Surgery, University of California at San Francisco, San Francisco, CA, USA
| | - Paul G Green
- Department of Oral & Maxillofacial Surgery, University of California at San Francisco, San Francisco, CA, USA
- Department of Preventative & Restorative Dental Sciences, and Division of Neuroscience, University of California at San Francisco, San Francisco, CA, USA
| | - Jon D Levine
- Department of Oral & Maxillofacial Surgery, University of California at San Francisco, San Francisco, CA, USA
- Department of Medicine, Division of Neuroscience, and UCSF Pain and Addiction Research Center, University of California at San Francisco, San Francisco, CA, USA
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22
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Khomula EV, Levine JD. Sensitization of Human and Rat Nociceptors by Low Dose Morphine is TLR4-dependent. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.12.19.572472. [PMID: 38187676 PMCID: PMC10769211 DOI: 10.1101/2023.12.19.572472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2024]
Abstract
While opioids remain amongst the most effective treatments for moderate-to-severe pain, their substantial side effect profile remains a major limitation to broader clinical use. One such side effect is opioid-induced hyperalgesia (OIH), which includes a transition from opioid-induced analgesia to pain enhancement. Evidence in rodents supports the suggestion that OIH may be produced by the action of opioids at Toll-like Receptor 4 (TLR4) either on immune cells that, in turn, produce pronociceptive mediators to act on nociceptors, or by a direct action at nociceptor TLR4. And, sub-analgesic doses of several opioids have been shown to induce hyperalgesia in rodents by their action as TLR4 agonists. In the present in vitro patch-clamp electrophysiology experiments, we demonstrate that low dose morphine directly sensitizes human as well as rodent dorsal root ganglion (DRG) neurons, an effect of this opioid analgesic that is antagonized by LPS-RS Ultrapure, a selective TLR4 antagonist. We found that morphine (100 nM) reduced rheobase in human (by 36%) and rat (by 26%) putative C-type nociceptors, an effect of morphine that was markedly attenuated by preincubation with LPS-RS Ultrapure. Our findings support the suggestion that in humans, as well as in rodents, OIH is mediated by the direct action of opioids at TLR4 on nociceptors.
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23
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Echeverria-Villalobos M, Tortorici V, Brito BE, Ryskamp D, Uribe A, Weaver T. The role of neuroinflammation in the transition of acute to chronic pain and the opioid-induced hyperalgesia and tolerance. Front Pharmacol 2023; 14:1297931. [PMID: 38161698 PMCID: PMC10755684 DOI: 10.3389/fphar.2023.1297931] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 12/04/2023] [Indexed: 01/03/2024] Open
Abstract
Current evidence suggests that activation of glial and immune cells leads to increased production of proinflammatory mediators, creating a neuroinflammatory state. Neuroinflammation has been proven to be a fundamental mechanism in the genesis of acute pain and its transition to neuropathic and chronic pain. A noxious event that stimulates peripheral afferent nerve fibers may also activate pronociceptive receptors situated at the dorsal root ganglion and dorsal horn of the spinal cord, as well as peripheral glial cells, setting off the so-called peripheral sensitization and spreading neuroinflammation to the brain. Once activated, microglia produce cytokines, chemokines, and neuropeptides that can increase the sensitivity and firing properties of second-order neurons, upregulating the signaling of nociceptive information to the cerebral cortex. This process, known as central sensitization, is crucial for chronification of acute pain. Immune-neuronal interactions are also implicated in the lesser-known complex regulatory relationship between pain and opioids. Current evidence suggests that activated immune and glial cells can alter neuronal function, induce, and maintain pathological pain, and disrupt the analgesic effects of opioid drugs by contributing to the development of tolerance and dependence, even causing paradoxical hyperalgesia. Such alterations may occur when the neuronal environment is impacted by trauma, inflammation, and immune-derived molecules, or when opioids induce proinflammatory glial activation. Hence, understanding these intricate interactions may help in managing pain signaling and opioid efficacy beyond the classical pharmacological approach.
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Affiliation(s)
| | - Victor Tortorici
- Neuroscience Laboratory, Faculty of Science, Department of Behavioral Sciences, Universidad Metropolitana, Caracas, Venezuela
- Neurophysiology Laboratory, Center of Biophysics and Biochemistry, Venezuelan Institute for Scientific Research (IVIC), Caracas, Venezuela
| | - Beatriz E. Brito
- Immunopathology Laboratory, Center of Experimental Medicine, Venezuelan Institute for Scientific Research (IVIC), Caracas, Venezuela
| | - David Ryskamp
- College of Medicine, The Ohio State University, Columbus, OH, United States
| | - Alberto Uribe
- Anesthesiology Department, The Ohio State University Wexner Medical Center, Columbus, OH, United States
| | - Tristan Weaver
- Anesthesiology Department, The Ohio State University Wexner Medical Center, Columbus, OH, United States
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24
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Ayieng'a EO, Afify EA, Abuiessa SA, Elblehi SS, El-Gowilly SM, El-Mas MM. Morphine aggravates inflammatory, behavioral, and hippocampal structural deficits in septic rats. Sci Rep 2023; 13:21460. [PMID: 38052832 PMCID: PMC10697987 DOI: 10.1038/s41598-023-46427-y] [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] [Accepted: 10/31/2023] [Indexed: 12/07/2023] Open
Abstract
Although pain and sepsis are comorbidities of intensive care units, reported data on whether pain control by opioid analgesics could alter inflammatory and end-organ damage caused by sepsis remain inconclusive. Here, we tested the hypothesis that morphine, the gold standard narcotic analgesic, modifies behavioral and hippocampal structural defects induced by sepsis in male rats. Sepsis was induced with cecal ligation and puncture (CLP) and behavioral studies were undertaken 24 h later in septic and/or morphine-treated animals. The induction of sepsis or exposure to morphine (7 mg/kg) elicited similar: (i) falls in systolic blood pressure, (ii) alterations in spatial memory and learning tested by the Morris water maze, and (iii) depression of exploratory behavior measured by the new object recognition test. These hemodynamic and cognitive defects were significantly exaggerated in septic rats treated with morphine compared with individual interventions. Similar patterns of amplified inflammatory (IL-1β) and histopathological signs of hippocampal damage were noted in morphine-treated septic rats. Additionally, the presence of intact opioid receptors is mandatory for the induction of behavioral and hemodynamic effects of morphine because no such effects were observed when the receptors were blocked by naloxone. That said, our findings suggest that morphine provokes sepsis manifestations of inflammation and interrelated hemodynamic, behavioral, and hippocampal deficits.
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Affiliation(s)
- Evans O Ayieng'a
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, 1-El-Khartoum Square-Azarita, Alexandria, 21521, Egypt
| | - Elham A Afify
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, 1-El-Khartoum Square-Azarita, Alexandria, 21521, Egypt.
| | - Salwa A Abuiessa
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, 1-El-Khartoum Square-Azarita, Alexandria, 21521, Egypt
| | - Samar S Elblehi
- Department of Pathology, Faculty of Veterinary Medicine, Alexandria University, Alexandria, Egypt
| | - Sahar M El-Gowilly
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, 1-El-Khartoum Square-Azarita, Alexandria, 21521, Egypt
| | - Mahmoud M El-Mas
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, 1-El-Khartoum Square-Azarita, Alexandria, 21521, Egypt
- Department of Pharmacology and Toxicology, College of Medicine, Kuwait University, Kuwait, Kuwait
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25
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Dmitrzak-Węglarz M, Rybakowski J, Szczepankiewicz A, Kapelski P, Lesicka M, Jabłońska E, Reszka E, Pawlak J. Identification of shared disease marker genes and underlying mechanisms between major depression and rheumatoid arthritis. J Psychiatr Res 2023; 168:22-29. [PMID: 37871462 DOI: 10.1016/j.jpsychires.2023.10.036] [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: 05/16/2023] [Revised: 07/28/2023] [Accepted: 10/16/2023] [Indexed: 10/25/2023]
Abstract
Both depression and rheumatoid arthritis (RA) have a very high comorbidity rate. A bilateral association is estimated to increase the mutual risk and the common denominator is inflammation being observed in both diseases. Previous studies have mainly focused on assessing peripheral blood's inflammatory and pro-inflammatory cytokines levels. We aimed to extend insights into the molecular mechanisms of depression based on hub RA genes. To do so, we prioritized RA-related genes using in-silico tools. We then investigated whether RA-related genes undergo altered expression in patients with unipolar and bipolar depression without a concurrent RA diagnosis and any exponents of active inflammation. In addition, we selected a homogeneous group of patients treated with lithium (Li), which has immunomodulatory properties. The study was performed on patients with bipolar depression (BD, n = 45; Li, n = 20), unipolar depression (UD, n = 27), and healthy controls (HC, n = 22) of both sexes. To identify DEGs in peripheral blood mononuclear cells (PBMCs), we used the SurePrint G3 Microarray and GeneSpring software. We selected a list of 180 hub genes whose altered expression we analyzed using the expression microarray results. In the entire study group, we identified altered expression of 93 of the 180 genes, including 35 down-regulated (OPRM1 gene with highest FC > 3) and 58 up-regulated (TLR4 gene with highest FC > 3). In UD patients, we observed maximally up-regulated expression of the TEK gene (FC > 3), and in BD of the CXCL8 gene (FC > 5). On the other hand, in lithium-treated patients, the gene with the most reduced expression was the TRPV1 gene. The study proved that depression and RA are produced by a partially shared "inflammatory interactome" in which the opioid and angiogenesis pathways are important.
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Affiliation(s)
| | - Janusz Rybakowski
- Department of Adult Psychiatry, Poznan University of Medical Sciences, Poland.
| | - Aleksandra Szczepankiewicz
- Laboratory of Molecular and Cell Biology, Department of Pediatric Pulmonology, Allergy and Clinical Immunology, Poznan University of Medical Sciences, Poland.
| | - Paweł Kapelski
- Department of Psychiatric Genetics, Poznan University of Medical Sciences, Poland.
| | - Monika Lesicka
- Department of Translational Research, Nofer Institute of Occupational Medicine, Lodz, Poland.
| | - Ewa Jabłońska
- Department of Translational Research, Nofer Institute of Occupational Medicine, Lodz, Poland.
| | - Edyta Reszka
- Department of Translational Research, Nofer Institute of Occupational Medicine, Lodz, Poland.
| | - Joanna Pawlak
- Department of Psychiatric Genetics, Poznan University of Medical Sciences, Poland.
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26
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Zhang T, Liang W, Ou W, Zhang M, Cui S, Zhang S. Daphnetin alleviates neuropathic pain in chronic constrictive injury rats via regulating the NF-κB dependent CXCL1/CXCR2 signaling pathway. PHARMACEUTICAL BIOLOGY 2023; 61:746-754. [PMID: 37177984 PMCID: PMC10184651 DOI: 10.1080/13880209.2023.2198560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
CONTEXT Daphnetin is a natural product with anti-inflammatory, antioxidant, and neuroprotective properties. Reports have found that it has a strong analgesic effect; however, its analgesic mechanism is unknown. OBJECTIVE We explored the effect and mechanism of daphnetin on neuropathic pain (NP). MATERIALS AND METHODS The rat model of NP was established by ligation of the sciatic nerve. Male Sprague-Dawley rats were divided into six groups: Control, Model, Sham, morphine (0.375 mg/kg), and daphnetin (0.0625 and 0.025 mg/kg). Rats were intrathecally injected with drugs or normal saline once daily for three days. Hyperalgesia was evaluated by mechanical withdrawal threshold (MWT) and thermal withdrawal threshold (TWT). Protein levels were detected using ELISA, immunofluorescence, and western blotting. RESULTS Compared to the Model group, daphnetin improved TWT (46.70 °C vs. 42.20 °C) and MWT (45.60 g vs. 23.60 g), reduced the expression of interleukin-1β (0.99 ng/g vs. 1.42 ng/g), interleukin-6 (0.90 ng/g vs. 1.52 ng/g), and tumor necrosis factor-α (0.93 ng/g vs. 1.52 ng/g) in the sciatic nerve. Daphnetin decreased the expression of toll-like receptor 4 (TLR4) (0.47-fold), phosphorylated inhibitor of NF-κB (p-IKBα) (0.29-fold), nuclear factor kappaB (NF-κB) (0.48-fold), glial fibrillary acidic protein (GFAP) (0.42-fold), CXC chemokine ligand type 1 (CXCL1) (0.84-fold), CXC chemokine receptor type 2 (CXCR2) (0.78-fold) in the spinal cord. DISCUSSION AND CONCLUSIONS Daphnetin alleviates NP by inhibiting inflammation and astrocyte activation in the spinal cord, providing theoretical support for the extensive clinical treatment of NP.
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Affiliation(s)
- Tianrui Zhang
- Department of Pharmacology of Traditional Chinese Medicine, College of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Wulin Liang
- Department of Pharmacology of Traditional Chinese Medicine, College of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Wenjing Ou
- Department of Pharmacology of Traditional Chinese Medicine, College of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Mingqian Zhang
- Department of Pharmacology of Traditional Chinese Medicine, College of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Shuang Cui
- Department of Pharmacology of Traditional Chinese Medicine, College of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Shuofeng Zhang
- Department of Pharmacology of Traditional Chinese Medicine, College of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
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27
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King'uyu DN, Nti-Kyemereh L, Bonin JL, Feustel PJ, Tram M, MacNamara KC, Kopec AM. The effect of morphine on rat microglial phagocytic activity: An in vitro study of brain region-, plating density-, sex-, morphine concentration-, and receptor-dependency. J Neuroimmunol 2023; 384:578204. [PMID: 37774553 DOI: 10.1016/j.jneuroim.2023.578204] [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: 04/07/2023] [Revised: 07/24/2023] [Accepted: 09/19/2023] [Indexed: 10/01/2023]
Abstract
Opioids have long been used for clinical pain management, but also have addictive properties that have contributed to the ongoing opioid epidemic. While opioid activation of opioid receptors is well known to contribute to reward and reinforcement, data now also suggest that opioid activation of immune signaling via toll-like receptor 4 (TLR4) may also play a role in addiction-like processes. TLR4 expression is enriched in immune cells, and in the nervous system is primarily expressed in microglia. Microglial phagocytosis is important for developmental, homeostatic, and pathological processes. To examine how morphine impacts microglial phagocytosis, we isolated microglia from adult male and female rat cortex and striatum and plated them in vitro at 10,000 (10K) or 50,000 cells/well densities. Microglia were incubated with neutral fluorescent microbeads to stimulate phagocytosis in the presence of one of four morphine concentrations. We found that the brain region from which microglia are isolated and plating density, but not morphine concentration, impacts cell survival in vitro. We found that 10-12 M morphine, but not higher concentrations, increases phagocytosis in striatal microglia in vitro independent of sex and plating density, while 10-12 M morphine increased phagocytosis in cortical microglia in vitro independent of sex, but contingent on a plating density. Finally, we demonstrate that the effect of 10-12 M morphine in striatal microglia plated at 10 K density is mediated via TLR4, and not μORs. Overall, our data suggest that in rats, a morphine-TLR4 signaling pathway increases phagocytic activity in microglia independent of sex. This may is useful information for better understanding the possible neural outcomes associated with morphine exposures.
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Affiliation(s)
- David N King'uyu
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, Albany, NY 12208, United States of America.
| | - Lily Nti-Kyemereh
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, Albany, NY 12208, United States of America; Siena College, Loudonville, NY 12211, United States of America
| | - Jesse L Bonin
- Department of Immunology and Microbial Disease, Albany Medical College, Albany, NY 12208, United States of America
| | - Paul J Feustel
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, Albany, NY 12208, United States of America
| | - Michelle Tram
- Siena College, Loudonville, NY 12211, United States of America
| | - Katherine C MacNamara
- Department of Immunology and Microbial Disease, Albany Medical College, Albany, NY 12208, United States of America
| | - Ashley M Kopec
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, Albany, NY 12208, United States of America
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28
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Cai Y, Yu Z, Yang X, Luo W, Hu E, Li T, Zhu W, Wang Y, Tang T, Luo J. Integrative transcriptomic and network pharmacology analysis reveals the neuroprotective role of BYHWD through enhancing autophagy by inhibiting Ctsb in intracerebral hemorrhage mice. Chin Med 2023; 18:150. [PMID: 37957754 PMCID: PMC10642062 DOI: 10.1186/s13020-023-00852-3] [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: 07/04/2023] [Accepted: 10/17/2023] [Indexed: 11/15/2023] Open
Abstract
BACKGROUND In this study, we aimed to combine transcriptomic and network pharmacology to explore the crucial mRNAs and specific regulatory molecules of Buyang Huanwu Decoction (BYHWD) in intracerebral hemorrhage (ICH) treatment. METHODS C57BL/6 mice were randomly divided into three groups: sham, ICH, and BYHWD. BYHWD (43.29 g/kg) was administered once a day for 7 days. An equal volume of double-distilled water was used as a control. Behavioural and histopathological experiments were conducted to confirm the neuroprotective effects of BYHWD. Brain tissues were collected for transcriptomic detection. Bioinformatics analysis were performed to illustrate the target gene functions. Network pharmacology was used to predict potential targets for BYHWD. Next, transcriptomic assays were combined with network pharmacology to identify the potential differentially expressed mRNAs. Immunofluorescence staining, real-time polymerase chain reaction, western blotting, and transmission electron microscopy were performed to elucidate the underlying mechanisms. RESULTS BYHWD intervention in ICH reduced neurological deficits. Network pharmacology analysis identified 203 potential therapeutic targets for ICH, whereas transcriptomic assay revealed 109 differentially expressed mRNAs post-ICH. Among these, cathepsin B, ATP binding cassette subfamily B member 1, toll-like receptor 4, chemokine (C-C motif) ligand 12, and baculoviral IAP repeat-containing 5 were identified as potential target mRNAs through the integration of transcriptomics and network pharmacology approaches. Bioinformatics analysis suggested that the beneficial effects of BYHWD in ICH may be associated with apoptosis, animal autophagy signal pathways, and PI3K-Akt and mTOR biological processes. Furthermore, BYHWD intervention decreased Ctsb expression levels and increased autophagy levels in ICH. CONCLUSIONS Animal experiments in combination with bioinformatics analysis confirmed that BYHWD plays a neuroprotective role in ICH by regulating Ctsb to enhance autophagy.
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Affiliation(s)
- Yiqing Cai
- Department of Integrated Traditional Chinese and Western Medicine, Institute of Integrative Medicine, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China
| | - Zhe Yu
- Department of Integrated Traditional Chinese and Western Medicine, Institute of Integrative Medicine, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China
| | - Xueping Yang
- Department of Integrated Traditional Chinese and Western Medicine, Institute of Integrative Medicine, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China
| | - Weikang Luo
- Department of Integrated Traditional Chinese and Western Medicine, Institute of Integrative Medicine, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China
| | - En Hu
- Department of Integrated Traditional Chinese and Western Medicine, Institute of Integrative Medicine, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China
| | - Teng Li
- Department of Integrated Traditional Chinese and Western Medicine, Institute of Integrative Medicine, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China
| | - Wenxin Zhu
- Department of Integrated Traditional Chinese and Western Medicine, Institute of Integrative Medicine, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China
| | - Yang Wang
- Department of Integrated Traditional Chinese and Western Medicine, Institute of Integrative Medicine, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China
| | - Tao Tang
- Department of Integrated Traditional Chinese and Western Medicine, Institute of Integrative Medicine, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China
| | - Jiekun Luo
- Department of Integrated Traditional Chinese and Western Medicine, Institute of Integrative Medicine, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China.
- National Regional Center for Neurological Diseases, Xiangya Hospital, Central South University Jiangxi, Nanchang, 330000, Jiangxi, People's Republic of China.
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29
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Felkle D, Zięba K, Kaleta K, Czaja J, Zyzdorf A, Sobocińska W, Jarczyński M, Bryniarski K, Nazimek K. Overreactive macrophages in SARS-CoV-2 infection: The effects of ACEI. Int Immunopharmacol 2023; 124:110858. [PMID: 37708705 DOI: 10.1016/j.intimp.2023.110858] [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: 06/02/2023] [Revised: 08/18/2023] [Accepted: 08/23/2023] [Indexed: 09/16/2023]
Abstract
Among various factors influencing the course of SARS-CoV-2 infection in humans, macrophage overactivation is considered the main cause of the cytokine storm that leads to severe complications of COVID-19. Moreover, the increased expression of angiotensin converting enzyme 2 (ACE2), an obligatory entry receptor of the coronavirus, caused by treatment with ACE inhibitors (ACEI) lowered overall confidence in the safety of these drugs. However, analysis of the course of coronavirus infection in patients treated with ACEI does not support these concerns. Instead, the beneficial effect of ACEI on macrophages has increasingly been emphasized. This includes their anti-inflammatory activation and the consequent reduction in the risk of severe disease and life-threatening complications. Herein, we summarize the current knowledge and understanding of the dual role of macrophages in SARS-CoV-2 infection, with a special focus on the postulated mechanisms underlying the beneficial effects of macrophage targeting by ACEI. These seem to involve the stimulation of macrophage angiotensin II type 2 and Mas receptors by angiotensin 1-7, intensively produced due to the up-regulation of ACE2 expression on macrophages, as well as the direct inhibition of macrophage hyper-responsiveness by ACEI. The impact of ACEI on macrophages may also lead to the activation of an effective antiviral response due to the increased expression of ACE2.
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Affiliation(s)
- Dominik Felkle
- Students' Scientific Group at the Department of Immunology, Jagiellonian University Medical College, Czysta 18, 31-121 Kraków, Poland
| | - Katarzyna Zięba
- Students' Scientific Group at the Department of Immunology, Jagiellonian University Medical College, Czysta 18, 31-121 Kraków, Poland
| | - Konrad Kaleta
- Students' Scientific Group at the Department of Immunology, Jagiellonian University Medical College, Czysta 18, 31-121 Kraków, Poland
| | - Julia Czaja
- Students' Scientific Group at the Department of Immunology, Jagiellonian University Medical College, Czysta 18, 31-121 Kraków, Poland
| | - Amanda Zyzdorf
- Students' Scientific Group at the Department of Immunology, Jagiellonian University Medical College, Czysta 18, 31-121 Kraków, Poland
| | - Wiktoria Sobocińska
- Students' Scientific Group at the Department of Immunology, Jagiellonian University Medical College, Czysta 18, 31-121 Kraków, Poland
| | - Mateusz Jarczyński
- Students' Scientific Group at the Department of Immunology, Jagiellonian University Medical College, Czysta 18, 31-121 Kraków, Poland
| | - Krzysztof Bryniarski
- Department of Immunology, Jagiellonian University Medical College, Czysta 18, 31-121 Kraków, Poland
| | - Katarzyna Nazimek
- Department of Immunology, Jagiellonian University Medical College, Czysta 18, 31-121 Kraków, Poland.
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30
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Qin BF, Gao S, Feng QY, Chen W, Sun HM, Song J. Regulation of Nur77-TLR4/MyD88 signaling pathway is required for Ginsenoside Rc ameliorates hepatic fibrosis regression by deactivating hepatic stellate cells. Acta Histochem 2023; 125:152079. [PMID: 37527595 DOI: 10.1016/j.acthis.2023.152079] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 07/26/2023] [Accepted: 07/27/2023] [Indexed: 08/03/2023]
Abstract
HSCs (hepatic stellate cells) contribute to the excessive extracellular matrix (ECM) deposition plays a key role in the progression of hepatic fibrosis. The present study focused on the hepatoprotective effect of Ginsenoside Rc (Rc), one of the protopanaxadiol type ginsenoside, which has contributed to reverse activated HSCs to improve hepatic fibrosis via regulating Nur77-TLR4/MyD88 signaling pathway. We established the hepatic fibrosis model by intraperitoneal injection of carbon tetrachloride (CCl4). And HSCs were stimulated with TGF-β, followed by silencing of Nur77, and then incubated in Rc. Rc significantly alleviated histopathological changes, reduced serum alanine aminotransferase (ALT) and aspartate aminotransferase (AST) levels. Rc could upregulate the Nur77 and downregulate fibrosis markers in the liver of mice, including decreasing the expressions of α-SMA, Collagen-I, the ratio of TIMP-1/MMP-13. Rc significantly increased the expression of Nur77 and suppressed the production of ECM in HSCs. Rc inhibited TLR4 signaling pathway, consequently reversing the inflammatory response, including the production of MyD88, IRAK1, IRAK4 and IL-23. When Nur77 was knocked in TGF-β-stimulated HSCs, TLR4 and α-SMA production were increased. Rc suppressed these activatory effects in Nur77 knockdown HSCs. Rc reduced inflammatory reaction by regulating the Nur77-TLR4 signaling pathway while suppressing the fibrogenesis suggesting, underscoring a promising approach of Rc for the treatment in hepatic fibrosis. Targeting Nur77-TLR4 signaling in HSCs would be the potential strategy for Rc against hepatic fibrosis.
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Affiliation(s)
- Bo-Feng Qin
- College of Pharmacy, Beihua University, Jilin, Jilin Province 132013, China
| | - Shan Gao
- College of Pharmacy, Beihua University, Jilin, Jilin Province 132013, China
| | - Qi-Yuan Feng
- College of Pharmacy, Beihua University, Jilin, Jilin Province 132013, China
| | - Wei Chen
- College of Pharmacy, Beihua University, Jilin, Jilin Province 132013, China.
| | - Hai-Ming Sun
- College of Pharmacy, Beihua University, Jilin, Jilin Province 132013, China.
| | - Jian Song
- College of Pharmacy, Beihua University, Jilin, Jilin Province 132013, China.
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Amodeo G, Franchi S, D’Agnelli S, Galimberti G, Baciarello M, Bignami EG, Sacerdote P. Supraspinal neuroinflammation and anxio-depressive-like behaviors in young- and older- adult mice with osteoarthritis pain: the effect of morphine. Psychopharmacology (Berl) 2023; 240:2131-2146. [PMID: 37530884 PMCID: PMC10506934 DOI: 10.1007/s00213-023-06436-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 07/24/2023] [Indexed: 08/03/2023]
Abstract
RATIONALE Asteoarthritis (OA) is a leading cause of chronic pain in the elderly population and is often associated with emotional comorbidities such as anxiety and depression. Despite age is a risk factor for both OA and mood disorders, preclinical studies are mainly conducted in young adult animals. OBJECTIVES Here, using young adult (11-week-old) and older adult (20-month-old) mice, we evaluate in a monosodium-iodoacetate-(MIA)-induced OA model the development of anxio-depressive-like behaviors and whether brain neuroinflammation may underlie the observed changes. We also test whether an effective pain treatment may prevent behavioral and biochemical alterations. METHODS Mechanical allodynia was monitored throughout the experimental protocol, while at the end of protocol (14 days), anxio-depressive-like behaviors and cognitive dysfunction were assessed. Neuroinflammatory condition was evaluated in prefrontal cortex, hippocampus and hypothalamus. Serum IFNγ levels were also measured. Moreover, we test the efficacy of a 1-week treatment with morphine (2.5 mg/kg) on pain, mood alterations and neuroinflammation. RESULTS We observed that young adult and older adult controls (CTRs) mice had comparable allodynic thresholds and developed similar allodynia after MIA injection. Older adult CTRs were characterized by altered behavior in the tests used to assess the presence of depression and cognitive impairment and by elevated neuroinflammatory markers in brain areas compared to younger ones. The presence of pain induced depressive-like behavior and neuroinflammation in adult young mice, anxiety-like behavior in both age groups and worsened neuroinflammation in older adult mice. Morphine treatment counteracted pain, anxio-depressive behaviors and neuroinflammatory activation in both young adult and older adult mice. CONCLUSIONS Here, we demonstrated that the presence of chronic pain in young adult mice induces mood alterations and supraspinal biochemical changes and aggravates the alterations already evident in older adult animals. A treatment with morphine, counteracting the pain, prevents the development of anxio-depressive disorders and reduces neuroinflammation.
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Affiliation(s)
- Giada Amodeo
- Dipartimento Di Scienze Farmacologiche E Biomolecolari, University of Milan, Via Vanvitelli 32, 20129 Milano, Italy
| | - Silvia Franchi
- Dipartimento Di Scienze Farmacologiche E Biomolecolari, University of Milan, Via Vanvitelli 32, 20129 Milano, Italy
| | - Simona D’Agnelli
- Anesthesiology, Critical Care and Pain Medicine Division, Department of Medicine and Surgery, University of Parma, Via Gramsci 14, 43126 Parma, Italy
| | - Giulia Galimberti
- Dipartimento Di Scienze Farmacologiche E Biomolecolari, University of Milan, Via Vanvitelli 32, 20129 Milano, Italy
| | - Marco Baciarello
- Anesthesiology, Critical Care and Pain Medicine Division, Department of Medicine and Surgery, University of Parma, Via Gramsci 14, 43126 Parma, Italy
| | - Elena Giovanna Bignami
- Anesthesiology, Critical Care and Pain Medicine Division, Department of Medicine and Surgery, University of Parma, Via Gramsci 14, 43126 Parma, Italy
| | - Paola Sacerdote
- Dipartimento Di Scienze Farmacologiche E Biomolecolari, University of Milan, Via Vanvitelli 32, 20129 Milano, Italy
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Harder HJ, Gomez MG, Searles CT, Vogt ME, Murphy AZ. Increased LPS-Induced Fever and Sickness Behavior in Adult Male and Female Rats Perinatally Exposed to Morphine. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.09.20.558690. [PMID: 37790325 PMCID: PMC10542495 DOI: 10.1101/2023.09.20.558690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/05/2023]
Abstract
As a result of the current opioid crisis, the rate of children born exposed to opioids has skyrocketed. Later in life, these children have an increased risk for hospitalization and infection, raising concerns about potential immunocompromise, as is common with chronic opioid use. Opioids can act directly on immune cells or indirectly via the central nervous system to decrease immune system activity, leading to increased susceptibility, morbidity, and mortality to infection. However, it is currently unknown how perinatal opioid exposure (POE) alters immune function. Using a clinically relevant and translatable model of POE, we have investigated how baseline immune function and the reaction to an immune stimulator, lipopolysaccharide, is influenced by in utero opioid exposure in adult male and female rats. We report here that POE potentiates the febrile and neuroinflammatory response to lipopolysaccharide, likely as a consequence of suppressed immune function at baseline (including reduced antibody production). This suggests that POE increases susceptibility to infection by manipulating immune system development, consistent with the clinical literature. Investigation of the mechanisms whereby POE increases susceptibility to pathogens is critical for the development of potential interventions for immunosuppressed children exposed to opioids in utero.
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Affiliation(s)
- Hannah J Harder
- Neuroscience Institute, Georgia State University, 100 Piedmont Ave., Atlanta, GA, 30303
| | - Morgan G Gomez
- Neuroscience Institute, Georgia State University, 100 Piedmont Ave., Atlanta, GA, 30303
| | - Christopher T Searles
- Neuroscience Institute, Georgia State University, 100 Piedmont Ave., Atlanta, GA, 30303
| | - Meghan E Vogt
- Neuroscience Institute, Georgia State University, 100 Piedmont Ave., Atlanta, GA, 30303
| | - Anne Z Murphy
- Neuroscience Institute, Georgia State University, 100 Piedmont Ave., Atlanta, GA, 30303
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Sheng X, Wang L, Zhan P, He W, Tian H, Liu J. Thyme ( Thymus quinquecostatus Celak) Polyphenol-Rich Extract (TPE) Alleviates HFD-Induced Liver Injury in Mice by Inactivating the TLR4/NF-κB Signaling Pathway through the Gut-Liver Axis. Foods 2023; 12:3074. [PMID: 37628072 PMCID: PMC10453248 DOI: 10.3390/foods12163074] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 08/05/2023] [Accepted: 08/12/2023] [Indexed: 08/27/2023] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) represents a significant and urgent global health concern. Thyme (Thymus quinquecostatus Celak) is a plant commonly used in cuisine and traditional medicine in Asian countries and possesses potential liver-protective properties. This study aimed to assess the hepatoprotective effects of thyme polyphenol-rich extract (TPE) on high-fat diet (HFD)-induced NAFLD and further explore possible mechanisms based on the gut-liver axis. HFD-induced liver injury in C57 mice is markedly ameliorated by TPE supplementation in a dose-dependent manner. TPE also regulates the expression of liver lipid metabolic genes (i.e., Hmgcr, Srebp-1, Fasn, and Cyp7a1), enhancing the production of SCFAs and regulating serum metabolites by modulating gut microbial dysbiosis. Furthermore, TPE enhances the intestinal barrier function and alleviates intestinal inflammation by upregulating tight junction protein expression (i.e., ZO-1 and occluding) and inactivating the intestinal TLR4/NF-κB pathway in HFD-fed mice. Consequently, gut-derived LPS translocation to the circulation was blocked, the liver TLR4/NF-κB signaling pathway was repressed, and subsequent pro-inflammatory cytokine production was restrained. Conclusively, TPE might exert anti-NAFLD effects through the gut-liver axis and has the potential to be used as a dietary supplement for the management of NAFLD.
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Affiliation(s)
- Xialu Sheng
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an 710119, China; (X.S.); (P.Z.); (H.T.)
| | - Lixia Wang
- College of Life Sciences and Food Engineering, Shaanxi Xueqian Normal University, Xi’an 710061, China;
| | - Ping Zhan
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an 710119, China; (X.S.); (P.Z.); (H.T.)
| | - Wanying He
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an 710119, China; (X.S.); (P.Z.); (H.T.)
| | - Honglei Tian
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an 710119, China; (X.S.); (P.Z.); (H.T.)
| | - Jianshu Liu
- Shaanxi Provincial Research Center of Functional Food Engineering Technology, Xi’an 710100, China;
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Dong G, Li H, Gao H, Chen Y, Yang H. Global Trends and Hotspots on Microglia Associated with Pain from 2002 to 2022: A Bibliometric Analysis. J Pain Res 2023; 16:2817-2834. [PMID: 37600079 PMCID: PMC10439805 DOI: 10.2147/jpr.s413028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 07/28/2023] [Indexed: 08/22/2023] Open
Abstract
Background Researchers have made significant progress in microglia associated with pain in recent years. However, more relevant bibliometric analyses are still needed on trends and directions in this field. The aim of this study is to provide a comprehensive perspective and to predict future directions of pain-related microglia research via bibliometric tools. Methods English articles and reviews related with pain and microglia were extracted from the Web of Science core collection (WosCC) database between 2002 to 2022. Bibliometric tools such as VOSviewer, CiteSpace, and Bibliometrix R package were used to analyze publication characteristics, countries, authors, institutions, journals, research hotspots, and trend topics. Results A total of 2761 articles were included in this analysis. Research on microglia associated with pain has increased significantly over the last two decades. China (n = 1020, 36.94%) and the United States (n = 751, 27.20%) contributed the most in terms of publications and citations, respectively. Kyushu University published the most articles in this field compared to other institutions, and Professor Inoue Kazuhide (n = 54) at this university made outstanding contributions in this field. Molecular Pain (n = 113) was the journal with the most publication, while Journal of Neuroscience had the highest number of citations. According to the authors keywords analysis, the research in this area can be summarized into 7 clusters such as "microglia activation pathways", "pain treatment research", "mental symptoms of chronic pain", and so on. Conclusion This study provides a comprehensive analysis of pain-related microglia research in the past two decades. We identified the countries, institutions, scholars, and journals with the highest number of publications and the most influence in the field, and the research trends identified in this paper may provide new insights for future research.
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Affiliation(s)
- Guoqi Dong
- School of Acupuncture-Moxibustion and Tuina, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, People’s Republic of China
| | - Hui Li
- School of Acupuncture-Moxibustion and Tuina, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, People’s Republic of China
| | - Hui Gao
- School of Acupuncture-Moxibustion and Tuina, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, People’s Republic of China
| | - Yingqi Chen
- School of Acupuncture-Moxibustion and Tuina, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, People’s Republic of China
| | - Huayuan Yang
- School of Acupuncture-Moxibustion and Tuina, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, People’s Republic of China
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Trunfio M, Chaillon A, Beliakova-Bethell N, Deiss R, Letendre SL, Riggs PK, Higgins N, Gianella S. Beyond the Syndemic of Opioid Use Disorders and HIV: The Impact of Opioids on Viral Reservoirs. Viruses 2023; 15:1712. [PMID: 37632053 PMCID: PMC10458944 DOI: 10.3390/v15081712] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 07/31/2023] [Accepted: 08/08/2023] [Indexed: 08/27/2023] Open
Abstract
People with HIV are more likely to have opioid use disorder and to be prescribed opioids for chronic pain than the general population; however, the effects of opioids on the immune system and HIV persistence have not been fully elucidated. Opioids may affect HIV reservoirs during their establishment, maintenance, and reactivation by enhancing HIV infectivity and replication due to upregulation of co-receptors and impairment of innate antiviral responses. Opioids may also modulate immune cell functioning and microbial translocation and can reverse viral latency. In this review, we summarize the current findings for and against the modulating effects of opioids on HIV cellular and anatomical reservoirs, highlighting the current limitations that affect in vitro, ex vivo, and in vivo studies in the field. We propose further research targets and potential strategies to approach this topic.
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Affiliation(s)
- Mattia Trunfio
- Unit of Infectious Diseases, Department of Medical Sciences at Amedeo di Savoia Hospital, University of Turin, 10149 Turin, Italy
- HIV Neurobehavioral Research Program, Department of Psychiatry, University of California San Diego (UCSD), San Diego, CA 92103, USA
| | - Antoine Chaillon
- Division of Infectious Diseases and Global Public Health, Department of Medicine, University of California San Diego (UCSD), La Jolla, CA 92037, USA
| | - Nadejda Beliakova-Bethell
- Division of Infectious Diseases and Global Public Health, Department of Medicine, University of California San Diego (UCSD), La Jolla, CA 92037, USA
- VA San Diego Healthcare System and Veterans Medical Research Foundation, La Jolla, CA 92037, USA
| | - Robert Deiss
- Division of Infectious Diseases and Global Public Health, Department of Medicine, University of California San Diego (UCSD), La Jolla, CA 92037, USA
- VA San Diego Healthcare System and Veterans Medical Research Foundation, La Jolla, CA 92037, USA
- Department of Medicine, Owen Clinic, University of California San Diego (UCSD), San Diego, CA 92037, USA
| | - Scott L. Letendre
- HIV Neurobehavioral Research Program, Department of Psychiatry, University of California San Diego (UCSD), San Diego, CA 92103, USA
| | - Patricia K. Riggs
- Division of Infectious Diseases and Global Public Health, Department of Medicine, University of California San Diego (UCSD), La Jolla, CA 92037, USA
| | - Niamh Higgins
- Division of Infectious Diseases and Global Public Health, Department of Medicine, University of California San Diego (UCSD), La Jolla, CA 92037, USA
| | - Sara Gianella
- Division of Infectious Diseases and Global Public Health, Department of Medicine, University of California San Diego (UCSD), La Jolla, CA 92037, USA
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Cuitavi J, Andrés-Herrera P, Meseguer D, Campos-Jurado Y, Lorente JD, Caruana H, Hipólito L. Focal mu-opioid receptor activation promotes neuroinflammation and microglial activation in the mesocorticolimbic system: Alterations induced by inflammatory pain. Glia 2023; 71:1906-1920. [PMID: 37017183 DOI: 10.1002/glia.24374] [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: 08/14/2022] [Revised: 03/14/2023] [Accepted: 03/24/2023] [Indexed: 04/06/2023]
Abstract
Microglia participates in the modulation of pain signaling. The activation of microglia is suggested to play an important role in affective disorders that are related to a dysfunction of the mesocorticolimbic system (MCLS) and are commonly associated with chronic pain. Moreover, there is evidence that mu-opioid receptors (MORs), expressed in the MCLS, are involved in neuroinflammatory events, although the way by which they do it remains to be elucidated. In this study, we propose that MOR pharmacological activation within the MCLS activates and triggers the local release of proinflammatory cytokines and this pattern of activation is impacted by the presence of systemic inflammatory pain. To test this hypothesis, we used in vivo microdialysis coupled with flow cytometry to measure cytokines release in the nucleus accumbens and immunofluorescence of IBA1 in areas of the MCLS on a rat model of inflammatory pain. Interestingly, the treatment with DAMGO, a MOR agonist locally in the nucleus accumbens, triggered the release of the IL1α, IL1β, and IL6 proinflammatory cytokines. Furthermore, MOR pharmacological activation in the ventral tegmental area (VTA) modified the levels of IBA1-positive cells in the VTA, prefrontal cortex, the nucleus accumbens and the amygdala in a dose-dependent way, without impacting mechanical nociception. Additionally, MOR blockade in the VTA prevents DAMGO-induced effects. Finally, we observed that systemic inflammatory pain altered the IBA1 immunostaining derived from MOR activation in the MSCLS. Altogether, our results indicate that the microglia-MOR relationship could be pivotal to unravel some inflammatory pain-induced comorbidities related to MCLS dysfunction.
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Affiliation(s)
- Javier Cuitavi
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, University of Valencia, Avda. Vicent Andrés Estellés s/n, Burjassot, 46100, Spain
- Instituto de Biotecnología y Biomedicina (BIOTECMED), Universidad de Valencia, Valencia, 46100, Spain
| | - Paula Andrés-Herrera
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, University of Valencia, Avda. Vicent Andrés Estellés s/n, Burjassot, 46100, Spain
- Instituto de Biotecnología y Biomedicina (BIOTECMED), Universidad de Valencia, Valencia, 46100, Spain
| | - David Meseguer
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, University of Valencia, Avda. Vicent Andrés Estellés s/n, Burjassot, 46100, Spain
| | - Yolanda Campos-Jurado
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, University of Valencia, Avda. Vicent Andrés Estellés s/n, Burjassot, 46100, Spain
| | - Jesús D Lorente
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, University of Valencia, Avda. Vicent Andrés Estellés s/n, Burjassot, 46100, Spain
| | - Hannah Caruana
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, University of Valencia, Avda. Vicent Andrés Estellés s/n, Burjassot, 46100, Spain
| | - Lucía Hipólito
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, University of Valencia, Avda. Vicent Andrés Estellés s/n, Burjassot, 46100, Spain
- Instituto de Biotecnología y Biomedicina (BIOTECMED), Universidad de Valencia, Valencia, 46100, Spain
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Zhao C, Yi F, Wei B, Tan P, Huang Y, Zeng F, Wang Y, Xu C, Wang J. Sodium Propionate Relieves LPS-Induced Inflammation by Suppressing the NF-ĸB and MAPK Signaling Pathways in Rumen Epithelial Cells of Holstein Cows. Toxins (Basel) 2023; 15:438. [PMID: 37505707 PMCID: PMC10467098 DOI: 10.3390/toxins15070438] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 06/21/2023] [Accepted: 06/29/2023] [Indexed: 07/29/2023] Open
Abstract
Subacute ruminal acidosis (SARA) is a prevalent disease in intensive dairy farming, and the rumen environment of diseased cows acidifies, leading to the rupture of gram-negative bacteria to release lipopolysaccharide (LPS). LPS can cause rumentitis and other complications, such as liver abscess, mastitis and laminitis. Propionate, commonly used in the dairy industry as a feed additive, has anti-inflammatory effects, but its mechanism is unclear. This study aims to investigate whether sodium propionate (SP) reduces LPS-induced inflammation in rumen epithelial cells (RECs) and the underlying mechanism. RECs were stimulated with different time (0, 1, 3, 6, 9, 18 h) and different concentrations of LPS (0, 1, 5, 10 μg/mL) to establish an inflammation model. Then, RECs were treated with SP (15, 25, 35 mM) or 10 μM PDTC in advance and stimulated by LPS for the assessment. The results showed that LPS (6h and 10 μg/mL) could stimulate the phosphorylation of NF-κB p65, IκB, JNK, ERK and p38 MAPK through TLR4, and increase the release of TNF-α, IL-1β and IL-6. SP (35 mM) can reduce the expression of cytokines by effectively inhibiting the NF-κB and MAPK inflammatory pathways. This study confirmed that SP inhibited LPS-induced inflammatory responses through NF-κB and MAPK in RECs, providing potential therapeutic targets and drugs for the prevention and treatment of SARA.
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Affiliation(s)
- Chenxu Zhao
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China; (C.Z.); (F.Y.); (B.W.); (P.T.); (Y.H.); (F.Z.); (Y.W.)
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163000, China
| | - Fanxuan Yi
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China; (C.Z.); (F.Y.); (B.W.); (P.T.); (Y.H.); (F.Z.); (Y.W.)
| | - Bo Wei
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China; (C.Z.); (F.Y.); (B.W.); (P.T.); (Y.H.); (F.Z.); (Y.W.)
| | - Panpan Tan
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China; (C.Z.); (F.Y.); (B.W.); (P.T.); (Y.H.); (F.Z.); (Y.W.)
| | - Yan Huang
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China; (C.Z.); (F.Y.); (B.W.); (P.T.); (Y.H.); (F.Z.); (Y.W.)
| | - Fangyuan Zeng
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China; (C.Z.); (F.Y.); (B.W.); (P.T.); (Y.H.); (F.Z.); (Y.W.)
| | - Yazhou Wang
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China; (C.Z.); (F.Y.); (B.W.); (P.T.); (Y.H.); (F.Z.); (Y.W.)
| | - Chuang Xu
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163000, China
- College of Veterinary Medicine, China Agricultural University, Beijing 100193, China
| | - Jianguo Wang
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China; (C.Z.); (F.Y.); (B.W.); (P.T.); (Y.H.); (F.Z.); (Y.W.)
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Guo C, Zhou X, Wang X, Wang H, Liu J, Wang J, Lin X, Lei S, Yang Y, Liu K, Long H, Zhou D. Annao Pingchong decoction alleviate the neurological impairment by attenuating neuroinflammation and apoptosis in intracerebral hemorrhage rats. JOURNAL OF ETHNOPHARMACOLOGY 2023; 310:116298. [PMID: 36870460 DOI: 10.1016/j.jep.2023.116298] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 02/07/2023] [Accepted: 02/16/2023] [Indexed: 06/18/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Intracerebral hemorrhage (ICH) is a central nervous system disease that causes severe disability or death. Even though Annao Pingchong decoction (ANPCD), a traditional Chinese decoction, has been used clinically to treat ICH in China, its molecular mechanism remains unclear. AIM OF THE STUDY To study whether the neuroprotective effect of ANPCD on ICH rats is achieved by alleviating neuroinflammation. This paper mainly explored whether inflammation-related signaling pathways (HMGB1/TLR4/NF-κB P65) plays a role in ANPCD treatment of ICH rats. MATERIALS AND METHODS Liquid chromatography-tandem mass spectrometry was used to analyze the chemical composition of ANPCD. ICH models were established by injecting autologous whole blood into the left caudate nucleus of Sprague-Dawley (SD) rats. Modified neurological severity scoring (mNSS) was used to assess the neurological deficits. The levels of tumor necrosis factor (TNF)-α, interleukin (IL)-1β, and IL-6 were analyzed using enzyme-linked immunosorbent assay (ELISA). Pathological changes in the rat brains were observed using hematoxylin-eosin, Nissl, and TUNEL staining. The protein levels of HMGB1, TLR4, NF-κB p65, B-cell lymphoma 2 (Bcl-2), and Bcl-2-associated X protein (Bax) were measured by western blotting and immunofluorescence analysis. RESULTS Ninety-three ANPCD compounds were identified, including 48 active plasma components. Treatment with ANPCD effectively improved the outcome, as observed by the neurological function scores analysis and brain histopathology. Our results showed that ANPCD exerts its anti-inflammatory effects by significantly downregulating the expression of HMGB1, TLR4, NF-κB p65, TNF-α, IL-1β, and IL-6. ANPCD also exerted anti-apoptotic effects by significantly decreasing the apoptosis rate and Bax/Bcl-2 ratio. CONCLUSION We found that ANPCD had neuroprotective effect in clinical work. Here, we also found that the action mechanism of ANPCD might be related to attenuate neuroinflammation and apoptosis. These effects were achieved by inhibiting the expression of HMGB1, TLR4 and NF-κB p65.
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Affiliation(s)
- Chun Guo
- Experiment Center of Medical Innovation, The First Hospital of Hunan University of Chinese Medicine, Changsha, China.
| | - Xuqing Zhou
- Experiment Center of Medical Innovation, The First Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Xu Wang
- Experiment Center of Medical Innovation, The First Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Haojie Wang
- Department of Neurology, The First Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Jian Liu
- Experiment Center of Medical Innovation, The First Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Jinxi Wang
- Experiment Center of Medical Innovation, The First Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Xiaoyuan Lin
- Experiment Center of Medical Innovation, The First Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Shihui Lei
- Experiment Center of Medical Innovation, The First Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Yi Yang
- Experiment Center of Medical Innovation, The First Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Kai Liu
- Experiment Center of Medical Innovation, The First Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Hongping Long
- Experiment Center of Medical Innovation, The First Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Desheng Zhou
- Department of Neurology, The First Hospital of Hunan University of Chinese Medicine, Changsha, China.
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Kafami M, Vaseghi G, Haghjooy Javanmard S, Mahdavi M, Dana N, Esmalian-Afyouni N, Gohari A. Effects of the Co-Administration of Morphine and Lipopolysaccharide on Toll-Like Receptor-4/Nuclear Factor Kappa β Signaling Pathway of MDA-MB-231 Breast Cancer Cells. Adv Biomed Res 2023; 12:149. [PMID: 37564449 PMCID: PMC10410415 DOI: 10.4103/abr.abr_107_22] [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: 04/07/2022] [Revised: 07/02/2022] [Accepted: 07/27/2022] [Indexed: 08/12/2023] Open
Abstract
Background The Toll-like receptor 4 (TLR4) gene promotes migration in adenocarcinoma cells. Morphine is an agonist for TLR4 that has a dual role in cancer development. The promoter or inhibitor role of morphine in cancer progression remains controversial. This study aims to evaluate the effects of morphine on the TLR4, myeloid differentiation primary response protein 88-dependent (MyD88), and nuclear factor-kappa B (NF-κB) expressions in the human MDA-MB-231 breast cancer cell line. Materials and Methods The cells were examined after 24 hours of incubation with morphine using the Boyden chamber system. TLR4, MyD88, and NF-κB mRNA expressions were assessed using quantitative real-time polymerase chain reaction (RT-PCR). The concentration of interleukin-2 beta was also measured using the ELISA assay. Results According to the findings, three doses of morphine (0.25, 1.25, and 0.025 μM) increased the expression of the TLR4 and NF-κB genes, whereas no significant change was observed in the mRNA expression of MyD88. Furthermore, treatment with morphine and lipopolysaccharide (LPS) significantly decreased the expression of TLR4, MyD88, and NF-κB. However, no significant change was observed in interleukin 2 beta concentration. Conclusions These findings confirmed the excitatory effects of morphine on TRL4 expression and the MYD88 signaling pathway in vitro.
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Affiliation(s)
- Marzieh Kafami
- Cellular and Molecular Research Center, Department of Physiology and Pharmacology, Faculty of Medicine, Sabzevar University of Medical Sciences, Sabzevar, Iran
| | - Golnaz Vaseghi
- Applied Physiology Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Shaghayegh Haghjooy Javanmard
- Applied Physiology Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Manijeh Mahdavi
- Applied Physiology Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Nasim Dana
- Applied Physiology Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Nazgol Esmalian-Afyouni
- Applied Physiology Research Center, Cardiovascular Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Ali Gohari
- Department of Biochemistry and Nutrition, Faculty of Medicine, Sabzevar University of Medical Sciences, Sabzevar, Iran
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Serafin P, Kowalczyk P, Mollica A, Stefanucci A, Laskowska AK, Zawadzka M, Kramkowski K, Kleczkowska P. Evaluation of Antimicrobial Activities against Various E. coli Strains of a Novel Hybrid Peptide-LENART01. Molecules 2023; 28:4955. [PMID: 37446618 DOI: 10.3390/molecules28134955] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Revised: 06/21/2023] [Accepted: 06/22/2023] [Indexed: 07/15/2023] Open
Abstract
Finding the ideal antimicrobial drug with improved efficacy and a safety profile that eliminates antibiotic resistance caused by pathogens remains a difficult task. Indeed, there is an urgent need for innovation in the design and development of a microbial inhibitor. Given that many promising antimicrobial peptides with excellent broad-spectrum antibacterial properties are secreted by some frog species (e.g., bombesins, opioids, temporins, etc.), our goal was to identify the antimicrobial properties of amphibian-derived dermorphin and ranatensin peptides, which were combined to produce a hybrid compound. This new chimera (named LENART01) was tested for its antimicrobial activity against E. coli strains K12 and R1-R4, which are characterized by differences in lipopolysaccharide (LPS) core oligosaccharide structure. The results showed that LENART01 had superior activity against the R2 and R4 strains compared with the effects of the clinically available antibiotics ciprofloxacin or bleomycin (MIC values). Importantly, the inhibitory effect was not concentration dependent; however, LENART01 showed a time- and dose-dependent hemolytic effect in hemolytic assays.
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Affiliation(s)
- Pawel Serafin
- Military Institute of Hygiene and Epidemiology, 01-163 Warsaw, Poland
| | - Paweł Kowalczyk
- Department of Animal Nutrition, The Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences, 05-110 Jabłonna, Poland
| | - Adriano Mollica
- Department of Pharmacy, University "G. d'Annunzio" of Chieti-Pescara, Via dei Vestini 31, 66100 Chieti, Italy
| | - Azzurra Stefanucci
- Department of Pharmacy, University "G. d'Annunzio" of Chieti-Pescara, Via dei Vestini 31, 66100 Chieti, Italy
| | - Anna K Laskowska
- Centre for Preclinical Research and Technology (CePT), Department of Pharmaceutical Microbiology, Faculty of Pharmacy, Medical University of Warsaw, 02-097 Warsaw, Poland
| | - Magdalena Zawadzka
- Military Institute of Hygiene and Epidemiology, 01-163 Warsaw, Poland
- Department of Epidemiology and Public Health Lodz, Medical University of Lodz, 90-419 Lodz, Poland
| | - Karol Kramkowski
- Department of Physical Chemistry, Medical University of Bialystok, 15-089 Białystok, Poland
| | - Patrycja Kleczkowska
- Military Institute of Hygiene and Epidemiology, 01-163 Warsaw, Poland
- Maria Sklodowska-Curie Medical Academy in Warsaw, 03-411 Warsaw, Poland
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Mo J, Lu Z, Peng J, Li XP, Lan L, Wang H, Peng Y. PAG neuronal NMDARs activation mediated morphine-induced hyperalgesia by HMGB1-TLR4 dependent microglial inflammation. J Psychiatr Res 2023; 164:150-161. [PMID: 37352811 DOI: 10.1016/j.jpsychires.2023.05.082] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/01/2023] [Revised: 04/25/2023] [Accepted: 05/30/2023] [Indexed: 06/25/2023]
Abstract
Morphine is one of the most effective and widely used analgesic drugs. However, chronic morphine use caused opioid-induced hyperalgesia (OIH). The development of OIH limits the use of morphine. The mechanisms of OIH are not fully understood. Toll-like receptor4 (TLR4) and glutamate receptors in the periaqueductal gray (PAG) are critical in OIH, however, the association between TLR4 and N-methyl-D-aspartate Receptors (NMDARs) activation in PAG remains unclear. Microglia activation, increased TLR4/p65 nuclear factor-kappa B (p65 NF-κB) and proinflammatory cytokines in microglia, and phosphorylation of NMDAR1 subunit (NR1) and NMDAR2B subunit (NR2B) in neurons were observed in PAG of OIH mice. Up-regulations of TLR4/p65 NF-κB and proinflammatory cytokines (IL-1β, IL-6, TNF-α) in BV2 cells were prevented by inhibiting and knocking down TLR4. By inhibiting myeloid differentiation factor 2 (MD2) and knocking down the High-mobility group box 1 (HMGB1), we found that morphine activated TLR4 by HMGB1 but not MD2. We co-cultured Neuro-2a (N2A) with BV2 microglial cell line and found that instead of directly phosphorylating NMDAR subunits, morphine increased the phosphorylation of NR1 and NR2B by inducing TLR4-mediated microglia inflammation. Knocking TLR4 out of PAG by Lentivirus-GFP-TLR4 shRNA reversed these changes and relieved OIH. Our findings suggested that the secretion of HMGB1 induced by morphine-activated TLR4 in microglia, and the proinflammatory factors released by activated microglia phosphorylated NR1 and NR2B of adjacent neurons, induced increased neuronal excitability. In conclusion, TLR4/NMDARs in PAG were involved in the development and maintenance of OIH and supported novel strategies for OIH treatment.
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Affiliation(s)
- Jingjing Mo
- Department of Neurology, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, China
| | - Zijing Lu
- Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510510, Guangdong, China
| | - Jialing Peng
- Department of Neurology, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, China; Department of Neurology, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Xiang-Pen Li
- Department of Neurology, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, China
| | - Lihuan Lan
- Department of Neurology, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, China
| | - Hongxuan Wang
- Department of Neurology, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, China.
| | - Ying Peng
- Department of Neurology, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, China; Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510828, Guangdong, China.
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Mahintamani T, Basu D, Ghosh A, Luthra-Guptasarma M. The toll of opioid dependence: A research report on the possible role of Toll-like receptor-4 and related immune markers in opioid dependence. Indian J Psychiatry 2023; 65:626-634. [PMID: 37485408 PMCID: PMC10358820 DOI: 10.4103/indianjpsychiatry.indianjpsychiatry_314_22] [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] [Received: 05/08/2022] [Revised: 03/28/2023] [Accepted: 04/12/2023] [Indexed: 07/25/2023] Open
Abstract
Background The opioid receptors in the central nervous system and immune system contribute to its reinforcing effect. Xenobiotics-associated molecular pattern of opioids interacts with Toll-like receptor-4 (TLR-4) on the glial cell surface and increases dopaminergic activity in the nucleus accumbens in preclinical studies. We wanted to examine whether treatment with buprenorphine-naloxone (BNX) might be associated with changes in immunological markers in individuals with opioid dependence (OD). Methods We recruited 30 individuals with OD on buprenorphine and 30 age- and sex-matched healthy controls (HCs). We measured the neutrophil (N), lymphocyte (L), CD-4, and CD-8 T-cell count and estimated plasma TLR-4 level in the HC group once. We measured the immunological markers, craving, pain, and perceived stress in the OD group at the treatment initiation (baseline) and after 4 weeks (±2 weeks) of treatment with BNX. Results The mean severity score on the OD questionnaire was 72.8 (SD 5.4). At baseline, OD had a higher N: L ratio and lower lymphocyte percentage than HC. Plasma TLR-4 concentration increased significantly after 1 month of treatment (t = -3.09, P = 0.004). Craving, pain, and perceived stress correlated with absolute neutrophil count, N: L ratio, and CD-8 T-cell count, although lost significance after corrections for multiple comparisons. Conclusion The increase in TLR-4 after treatment with BNX may indicate the rescue from nonprescription opioid-induced immunosuppression or the introduction of a novel xenobiotics-associated molecular pattern of BNX.
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Affiliation(s)
- Tathagata Mahintamani
- Department of Psychiatry, Drug Deaddiction and Treatment Centre, Chandigarh, India
- Department of Addiction Medicine and Department of Psychiatry, Lokopriya Gopinath Bordoloi Regional Institute of Mental Health, Tezpur, Assam, India
| | - Debasish Basu
- Department of Psychiatry, Drug Deaddiction and Treatment Centre, Chandigarh, India
| | - Abhishek Ghosh
- Department of Psychiatry, Drug Deaddiction and Treatment Centre, Chandigarh, India
| | - Manni Luthra-Guptasarma
- Department of Immunopathology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
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Guo ML, Roodsari SK, Cheng Y, Dempsey RE, Hu W. Microglia NLRP3 Inflammasome and Neuroimmune Signaling in Substance Use Disorders. Biomolecules 2023; 13:922. [PMID: 37371502 DOI: 10.3390/biom13060922] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 05/22/2023] [Accepted: 05/29/2023] [Indexed: 06/29/2023] Open
Abstract
During the last decade, substance use disorders (SUDs) have been increasingly recognized as neuroinflammation-related brain diseases. Various types of abused drugs (cocaine, methamphetamine, alcohol, opiate-like drugs, marijuana, etc.) can modulate the activation status of microglia and neuroinflammation levels which are involved in the pathogenesis of SUDs. Several neuroimmune signaling pathways, including TLR/NF-кB, reactive oxygen species, mitochondria dysfunction, as well as autophagy defection, etc., have been implicated in promoting SUDs. Recently, inflammasome-mediated signaling has been identified as playing critical roles in the microglia activation induced by abused drugs. Among the family of inflammasomes, NOD-, LRR-, and pyrin-domain-containing protein 3 (NLRP3) serves the primary research target due to its abundant expression in microglia. NLRP3 has the capability of integrating multiple external and internal inputs and coordinately determining the intensity of microglia activation under various pathological conditions. Here, we summarize the effects of abused drugs on NLRP3 inflammasomes, as well as others, if any. The research on this topic is still at an infant stage; however, the readily available findings suggest that NLRP3 inflammasome could be a common downstream effector stimulated by various types of abused drugs and play critical roles in determining abused-drug-mediated biological effects through enhancing glia-neuron communications. NLRP3 inflammasome might serve as a novel target for ameliorating the development of SUDs.
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Affiliation(s)
- Ming-Lei Guo
- Drug Addiction Laboratory, Department of Pathology and Anatomy, Eastern Virginia Medical School, Norfolk, VA 23507, USA
- Center for Integrative Neuroscience and Inflammatory Diseases, Eastern Virginia Medical School, Norfolk, VA 23507, USA
| | - Soheil Kazemi Roodsari
- Drug Addiction Laboratory, Department of Pathology and Anatomy, Eastern Virginia Medical School, Norfolk, VA 23507, USA
| | - Yan Cheng
- Drug Addiction Laboratory, Department of Pathology and Anatomy, Eastern Virginia Medical School, Norfolk, VA 23507, USA
| | - Rachael Elizabeth Dempsey
- Drug Addiction Laboratory, Department of Pathology and Anatomy, Eastern Virginia Medical School, Norfolk, VA 23507, USA
| | - Wenhui Hu
- Center for Metabolic Disease Research, Department of Pathology and Laboratory Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA
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Binczak M, Purenne E, Beloeil H, Benhamou D, Mazoit JX. Bupivacaine inhibits the TLR4- and TLR2-Myd88/NF-κB pathways in human leukocytes. Fundam Clin Pharmacol 2023; 37:347-358. [PMID: 36191347 DOI: 10.1111/fcp.12836] [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: 06/05/2022] [Revised: 08/31/2022] [Accepted: 10/02/2022] [Indexed: 03/04/2023]
Abstract
Local anesthetics have anti-inflammatory effects. Because most previous experiments were performed with supra-therapeutic concentrations, we measured the effects of clinically relevant concentrations of bupivacaine on the Toll like receptor 4 (TLR4)- and TLR2-myeloid differentiation primary response 88 (MyD88)-nuclear factor kappa-light-chain-enhancer of activated B cell (NF-κB) pathways. We measured tumor necrosis factor alpha (TNF-α) and prostaglandin E2 (PGE2) release, p38 mitogen-activated protein kinase (MAP-kinase) phosphorylation and translocation of NF-κB in human peripheral blood mononuclear cells (hPBMCs) and human monocytes challenged with lipopolysaccharide (LPS) or tripalmitoylated lipopeptide Pam3CysSerLys4 (Pam3CSK4) in the presence or absence of bupivacaine. Similarly, we measured the effect of bupivacaine on HEK293 cells expressing the hTLR4 and the hTLR2 genes and challenged with LPS or Pam3CSK4. Finally, molecular docking simulations of R(+)- and S(-)-bupivacaine binding to the TLR4-myeloid differentiation protein 2 (MD-2) complex and to the TLR2/TLR1 heterodimer were performed. In PBMCs, bupivacaine from 0.1 to 100 μM inhibited LPS-induced TNF-α and PGE2 secretion, phosphorylation of p38 and nuclear translocation of NF-κB in monocytes. Bupivacaine similarly inhibited the effects of Pam3CSK4 on TNF-α secretion. Bupivacaine inhibited the effect of LPS on HEK293 cells expressing the human TLR4 receptor and the effect of Pam3CSK4 on HEK293 cells expressing the human TLR2 receptor. Molecular docking showed that bupivacaine binds to the MD-2 co-receptor of TLR4 and to the TLR2 receptor. Contrary to numerous experiments performed with supratherapeutic doses, our results were obtained with concentrations of bupivacaine as low as 0.1 μM. We conclude that bupivacaine modulates the inflammatory reactions such as those observed after surgery or trauma, at least partly by inhibiting the TLR4- and TLR2-NF-κB pathways.
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Affiliation(s)
- Marie Binczak
- Département d'Anesthésie, Institut Gustave-Roussy, Villejuif, France
| | | | | | - Dan Benhamou
- Laboratoire d'anesthésie, Paris-Saclay University and INSERM U1195 Faculté de Médecine de Bicêtre, Le Kremlin-Bicêtre, France
| | - Jean Xavier Mazoit
- Laboratoire d'anesthésie, Paris-Saclay University and INSERM U1195 Faculté de Médecine de Bicêtre, Le Kremlin-Bicêtre, France
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Beyeler SA, Naidoo R, Morrison NR, McDonald EA, Albarrán D, Huxtable AG. Maternal opioids age-dependently impair neonatal respiratory control networks. Front Physiol 2023; 14:1109754. [PMID: 37008014 PMCID: PMC10060555 DOI: 10.3389/fphys.2023.1109754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 02/28/2023] [Indexed: 03/18/2023] Open
Abstract
Infants exposed to opioids in utero are an increasing clinical population and these infants are often diagnosed with Neonatal Abstinence Syndrome (NAS). Infants with NAS have diverse negative health consequences, including respiratory distress. However, many factors contribute to NAS, confounding the ability to understand how maternal opioids directly impact the neonatal respiratory system. Breathing is controlled centrally by respiratory networks in the brainstem and spinal cord, but the impact of maternal opioids on developing perinatal respiratory networks has not been studied. Using progressively more isolated respiratory network circuitry, we tested the hypothesis that maternal opioids directly impair neonatal central respiratory control networks. Fictive respiratory-related motor activity from isolated central respiratory networks was age-dependently impaired in neonates after maternal opioids within more complete respiratory networks (brainstem and spinal cords), but unaffected in more isolated networks (medullary slices containing the preBötzinger Complex). These deficits were due, in part, to lingering opioids within neonatal respiratory control networks immediately after birth and involved lasting impairments to respiratory pattern. Since opioids are routinely given to infants with NAS to curb withdrawal symptoms and our previous work demonstrated acute blunting of opioid-induced respiratory depression in neonatal breathing, we further tested the responses of isolated networks to exogenous opioids. Isolated respiratory control networks also demonstrated age-dependent blunted responses to exogenous opioids that correlated with changes in opioid receptor expression within a primary respiratory rhythm generating region, the preBötzinger Complex. Thus, maternal opioids age-dependently impair neonatal central respiratory control and responses to exogenous opioids, suggesting central respiratory impairments contribute to neonatal breathing destabilization after maternal opioids and likely contribute to respiratory distress in infants with NAS. These studies represent a significant advancement of our understanding of the complex effects of maternal opioids, even late in gestation, contributing to neonatal breathing deficits, necessary first steps in developing novel therapeutics to support breathing in infants with NAS.
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Affiliation(s)
- Sarah A. Beyeler
- Department of Biology, Institute of Neuroscience, University of Oregon, Eugene, OR, United States
| | - Robyn Naidoo
- Department of Human Physiology, University of Oregon, Eugene, OR, United States
| | - Nina R. Morrison
- Department of Human Physiology, University of Oregon, Eugene, OR, United States
| | - Emilee A. McDonald
- Department of Biology, Institute of Neuroscience, University of Oregon, Eugene, OR, United States
| | - David Albarrán
- Department of Human Physiology, University of Oregon, Eugene, OR, United States
| | - Adrianne G. Huxtable
- Department of Biology, Institute of Neuroscience, University of Oregon, Eugene, OR, United States
- Department of Human Physiology, University of Oregon, Eugene, OR, United States
- *Correspondence: Adrianne G. Huxtable,
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Liu X, Gong R, Peng L, Zhao J. Toll-like receptor 4 signaling pathway in sensory neurons mediates remifentanil-induced postoperative hyperalgesia via transient receptor potential ankyrin 1. Mol Pain 2023; 19:17448069231158290. [PMID: 36733260 PMCID: PMC9926008 DOI: 10.1177/17448069231158290] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Background: Remifentanil-induced postoperative hyperalgesia (RIH) refers to a state of hyperalgesia or aggravated pre-existing pain after remifentanil exposure. There has been considerable interest in understanding and preventing RIH. However, the mechanisms responsible for RIH are still not completely understood. Toll-like receptor 4 (TLR4), a classic innate immune receptor, has been detected in sensory neurons and participates in various nociceptive conditions, whereas its role in RIH remains unclear. Transient receptor potential ankyrin 1 (TRPA1) always serves as a nociceptive channel, whereas its role in RIH has not yet been investigated. This study aimed to determine whether the TLR4 signaling pathway in sensory neurons engaged in the development of RIH and the possible involvement of TRPA1 during this process. Methods: A rat model of remifentanil-induced postoperative hyperalgesia (RIH) was established, which presented decreased paw withdrawal mechanical threshold (PWMT) and paw withdrawal thermal latency (PWTL). The mRNA and protein expression levels of TLR4, phosphorylated NF-κB, and TRPA1 in the dorsal root ganglion (DRG) from RIH model were analyzed by real-time PCR, western blot, and immunofluorescence. The TLR4 antagonist TAK-242 and the TRPA1 antagonist HC-030031 were applied to determine the role of sensory neuron TLR4 signaling and TRPA1 in RIH. Results: Compared with control, PWMT and PWTL were significantly decreased in RIH model. Moreover, the mRNA and protein expression of TLR4 and TRPA1 in DRG were upregulated after remifentanil exposure together with increased NF-κB phosphorylation. TLR4 antagonist TAK-242 mitigated mechanical pain in RIH together with downregulated expression of TLR4, phosphorylated NF-κB, and TRPA1 in DRG neurons. In addition, TRPA1 antagonist HC-030031 also alleviated mechanical pain and decreased TRPA1 expression in RIH without affecting TLR4 signaling in DRG. Conclusions: Taken together, these results suggested that activation of TLR4 signaling pathway engaged in the development of RIH by regulating TRPA1 in DRG neurons. Blocking TLR4 and TRPA1 might serve as a promising therapeutic strategy for RIH.
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Affiliation(s)
- Xiaowen Liu
- Department of Anesthesiology,
China-Japan Friendship Hospital,
Beijing, China
| | - Ruisong Gong
- Department of Anesthesiology,
Peking
Union Medical College Hospital,
Beijing, China
| | - Liang Peng
- Beijing Key Laboratory for
Immune-Mediated Inflammatory Diseases, Institute of Medical Science,
China-Japan Friendship Hospital,
Beijing, China
| | - Jing Zhao
- Department of Anesthesiology,
China-Japan Friendship Hospital,
Beijing, China,Jing Zhao, Department of Anesthesiology,
China-Japan Friendship Hospital, 2 Yinghua Dongjie, Hepingli, Beijing 100029,
China.
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Cuitavi J, Torres-Pérez JV, Lorente JD, Campos-Jurado Y, Andrés-Herrera P, Polache A, Agustín-Pavón C, Hipólito L. Crosstalk between Mu-Opioid receptors and neuroinflammation: Consequences for drug addiction and pain. Neurosci Biobehav Rev 2023; 145:105011. [PMID: 36565942 DOI: 10.1016/j.neubiorev.2022.105011] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 11/29/2022] [Accepted: 12/18/2022] [Indexed: 12/24/2022]
Abstract
Mu-Opioid Receptors (MORs) are well-known for participating in analgesia, sedation, drug addiction, and other physiological functions. Although MORs have been related to neuroinflammation their biological mechanism remains unclear. It is suggested that MORs work alongside Toll-Like Receptors to enhance the release of pro-inflammatory mediators and cytokines during pathological conditions. Some cytokines, including TNF-α, IL-1β and IL-6, have been postulated to regulate MORs levels by both avoiding MOR recycling and enhancing its production. In addition, Neurokinin-1 Receptor, also affected during neuroinflammation, could be regulating MOR trafficking. Therefore, inflammation in the central nervous system seems to be associated with altered/increased MORs expression, which might regulate harmful processes, such as drug addiction and pain. Here, we provide a critical evaluation on MORs' role during neuroinflammation and its implication for these conditions. Understanding MORs' functioning, their regulation and implications on drug addiction and pain may help elucidate their potential therapeutic use against these pathological conditions and associated disorders.
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Affiliation(s)
- Javier Cuitavi
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, University of Valencia, Avda. Vicent Andrés Estellés s/n., 46100 Burjassot, Spain.
| | - Jose Vicente Torres-Pérez
- Department of Cellular Biology, Functional Biology and Physical Anthropology, University of Valencia, Avda. Vicent Andrés Estellés s/n., 46100 Burjassot, Spain
| | - Jesús David Lorente
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, University of Valencia, Avda. Vicent Andrés Estellés s/n., 46100 Burjassot, Spain
| | - Yolanda Campos-Jurado
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, University of Valencia, Avda. Vicent Andrés Estellés s/n., 46100 Burjassot, Spain
| | - Paula Andrés-Herrera
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, University of Valencia, Avda. Vicent Andrés Estellés s/n., 46100 Burjassot, Spain
| | - Ana Polache
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, University of Valencia, Avda. Vicent Andrés Estellés s/n., 46100 Burjassot, Spain
| | - Carmen Agustín-Pavón
- Department of Cellular Biology, Functional Biology and Physical Anthropology, University of Valencia, Avda. Vicent Andrés Estellés s/n., 46100 Burjassot, Spain
| | - Lucía Hipólito
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, University of Valencia, Avda. Vicent Andrés Estellés s/n., 46100 Burjassot, Spain.
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Muscat SM, Deems NP, Butler MJ, Scaria EA, Bettes MN, Cleary SP, Bockbrader RH, Maier SF, Barrientos RM. Selective TLR4 Antagonism Prevents and Reverses Morphine-Induced Persistent Postoperative Cognitive Dysfunction, Dysregulation of Synaptic Elements, and Impaired BDNF Signaling in Aged Male Rats. J Neurosci 2023; 43:155-172. [PMID: 36384680 PMCID: PMC9838714 DOI: 10.1523/jneurosci.1151-22.2022] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Revised: 11/07/2022] [Accepted: 11/10/2023] [Indexed: 11/18/2022] Open
Abstract
Perioperative neurocognitive disorders (PNDs) are characterized by confusion, difficulty with executive function, and episodic memory impairment in the hours to months following a surgical procedure. Postoperative cognitive dysfunction (POCD) represents such impairments that last beyond 30 d postsurgery and is associated with increased risk of comorbidities, progression to dementia, and higher mortality. While it is clear that neuroinflammation plays a key role in PND development, what factors underlie shorter self-resolving versus persistent PNDs remains unclear. We have previously shown that postoperative morphine treatment extends POCD from 4 d (without morphine) to at least 8 weeks (with morphine) in aged male rats, and that this effect is likely dependent on the proinflammatory capabilities of morphine via activation of toll-like receptor 4 (TLR4). Here, we extend these findings to show that TLR4 blockade, using the selective TLR4 antagonist lipopolysaccharide from the bacterium Rhodobacter sphaeroides (LPS-RS Ultrapure), ameliorates morphine-induced POCD in aged male rats. Using either a single central preoperative treatment or a 1 week postoperative central treatment regimen, we demonstrate that TLR4 antagonism (1) prevents and reverses the long-term memory impairment associated with surgery and morphine treatment, (2) ameliorates morphine-induced dysregulation of the postsynaptic proteins postsynaptic density 95 and synaptopodin, (3) mitigates reductions in mature BDNF, and (4) prevents decreased activation of the BDNF receptor TrkB (tropomyosin-related kinase B), all at 4 weeks postsurgery. We also reveal that LPS-RS Ultrapure likely exerts its beneficial effects by preventing endogenous danger signal HMGB1 (high-mobility group box 1) from activating TLR4, rather than by blocking continuous activation by morphine or its metabolites. These findings suggest TLR4 as a promising therapeutic target to prevent or treat PNDs.SIGNIFICANCE STATEMENT With humans living longer than ever, it is crucial that we identify mechanisms that contribute to aging-related vulnerability to cognitive impairment. Here, we show that the innate immune receptor toll-like receptor 4 (TLR4) is a key mediator of cognitive dysfunction in aged rodents following surgery and postoperative morphine treatment. Inhibition of TLR4 both prevented and reversed surgery plus morphine-associated memory impairment, dysregulation of synaptic elements, and reduced BDNF signaling. Together, these findings implicate TLR4 in the development of postoperative cognitive dysfunction, providing mechanistic insight and novel therapeutic targets for the treatment of cognitive impairments following immune challenges such as surgery in older individuals.
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Affiliation(s)
- Stephanie M Muscat
- Institute for Behavioral Medicine Research, The Ohio State University, Columbus, Ohio 43210
- Biomedical Sciences Graduate Program, The Ohio State University, Columbus, Ohio 43210
| | - Nicholas P Deems
- Institute for Behavioral Medicine Research, The Ohio State University, Columbus, Ohio 43210
- Neuroscience Graduate Program, The Ohio State University, Columbus, Ohio 43210
| | - Michael J Butler
- Institute for Behavioral Medicine Research, The Ohio State University, Columbus, Ohio 43210
| | - Emmanuel A Scaria
- Institute for Behavioral Medicine Research, The Ohio State University, Columbus, Ohio 43210
| | - Menaz N Bettes
- Institute for Behavioral Medicine Research, The Ohio State University, Columbus, Ohio 43210
| | - Sean P Cleary
- Campus Chemical Instrumentation Center, The Ohio State University, Columbus, Ohio 43210
| | - Ross H Bockbrader
- Pharmaceutical Sciences Graduate Program, Division of Medicinal Chemistry and Pharmacognosy, The Ohio State University, Columbus, Ohio 43210
| | - Steven F Maier
- Department of Psychology and Neuroscience, Center for Neuroscience, University of Colorado Boulder, Boulder, Colorado 80309
| | - Ruth M Barrientos
- Institute for Behavioral Medicine Research, The Ohio State University, Columbus, Ohio 43210
- Department of Psychiatry and Behavioral Health, The Ohio State University, Columbus, Ohio 43210
- Department of Neuroscience, The Ohio State University, Columbus, Ohio 43210
- Chronic Brain Injury Program, The Ohio State University, Columbus, Ohio 43210
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49
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Kozsurek M, Király K, Gyimesi K, Lukácsi E, Fekete C, Gereben B, Mohácsik P, Helyes Z, Bölcskei K, Tékus V, Pap K, Szűcs E, Benyhe S, Imre T, Szabó P, Gajtkó A, Holló K, Puskár Z. Unique, Specific CART Receptor-Independent Regulatory Mechanism of CART(55-102) Peptide in Spinal Nociceptive Transmission and Its Relation to Dipeptidyl-Peptidase 4 (DDP4). Int J Mol Sci 2023; 24:ijms24020918. [PMID: 36674439 PMCID: PMC9865214 DOI: 10.3390/ijms24020918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 12/09/2022] [Accepted: 12/14/2022] [Indexed: 01/06/2023] Open
Abstract
Cocaine- and amphetamine-regulated transcript (CART) peptides are involved in several physiological and pathological processes, but their mechanism of action is unrevealed due to the lack of identified receptor(s). We provided evidence for the antihyperalgesic effect of CART(55-102) by inhibiting dipeptidyl-peptidase 4 (DPP4) in astrocytes and consequently reducing neuroinflammation in the rat spinal dorsal horn in a carrageenan-evoked inflammation model. Both naturally occurring CART(55-102) and CART(62-102) peptides are present in the spinal cord. CART(55-102) is not involved in acute nociception but regulates spinal pain transmission during peripheral inflammation. While the full-length peptide with a globular motif contributes to hyperalgesia, its N-terminal inhibits this process. Although the anti-hyperalgesic effects of CART(55-102), CART(55-76), and CART(62-76) are blocked by opioid receptor antagonists in our inflammatory models, but not in neuropathic Seltzer model, none of them bind to any opioid or G-protein coupled receptors. DPP4 interacts with Toll-like receptor 4 (TLR4) signalling in spinal astrocytes and enhances the TLR4-induced expression of interleukin-6 and tumour necrosis factor alpha contributing to inflammatory pain. Depending on the state of inflammation, CART(55-102) is processed in the spinal cord, resulting in the generation of biologically active isoleucine-proline-isoleucine (IPI) tripeptide, which inhibits DPP4, leading to significantly decreased glia-derived cytokine production and hyperalgesia.
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Affiliation(s)
- Márk Kozsurek
- Department of Anatomy, Histology and Embryology, Semmelweis University, H-1094 Budapest, Hungary
| | - Kornél Király
- Department of Pharmacology and Pharmacotherapy, Semmelweis University, H-1089 Budapest, Hungary
| | - Klára Gyimesi
- Department of Anatomy, Histology and Embryology, Semmelweis University, H-1094 Budapest, Hungary
- Department of Anaesthesiology, Uzsoki Hospital, H-1145 Budapest, Hungary
| | - Erika Lukácsi
- Department of Anatomy, Histology and Embryology, Semmelweis University, H-1094 Budapest, Hungary
| | - Csaba Fekete
- Laboratory of Integrative Neuroendocrinology, Institute of Experimental Medicine, Eötvös Loránd Research Network, H-1083 Budapest, Hungary
- Department of Medicine, Division of Endocrinology, Diabetes and Metabolism, Tupper Research Institute, Tufts Medical Center, Boston, MA 02111, USA
| | - Balázs Gereben
- Laboratory of Integrative Neuroendocrinology, Institute of Experimental Medicine, Eötvös Loránd Research Network, H-1083 Budapest, Hungary
| | - Petra Mohácsik
- Laboratory of Integrative Neuroendocrinology, Institute of Experimental Medicine, Eötvös Loránd Research Network, H-1083 Budapest, Hungary
| | - Zsuzsanna Helyes
- Department of Pharmacology and Pharmacotherapy, University of Pécs, H-7624 Pécs, Hungary
- National Laboratory for Drug Research and Development, H-1117 Budapest, Hungary
- Chronic Pain Research Group, Eötvös Loránd Research Network, H-7624 Pécs, Hungary
| | - Kata Bölcskei
- Department of Pharmacology and Pharmacotherapy, University of Pécs, H-7624 Pécs, Hungary
| | - Valéria Tékus
- Department of Pharmacology and Pharmacotherapy, University of Pécs, H-7624 Pécs, Hungary
- National Laboratory for Drug Research and Development, H-1117 Budapest, Hungary
| | - Károly Pap
- Department of Orthopaedics and Traumatology, Uzsoki Hospital, H-1145 Budapest, Hungary
| | - Edina Szűcs
- Institute of Biochemistry, Biological Research Centre, Eötvös Loránd Research Network, H-6726 Szeged, Hungary
| | - Sándor Benyhe
- Institute of Biochemistry, Biological Research Centre, Eötvös Loránd Research Network, H-6726 Szeged, Hungary
| | - Tímea Imre
- MS Metabolomics Laboratory, Instrumentation Centre, Research Centre for Natural Sciences, Eötvös Loránd Research Network, H-1117 Budapest, Hungary
| | - Pál Szabó
- MS Metabolomics Laboratory, Instrumentation Centre, Research Centre for Natural Sciences, Eötvös Loránd Research Network, H-1117 Budapest, Hungary
| | - Andrea Gajtkó
- Department of Anatomy, Histology and Embryology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - Krisztina Holló
- Department of Anatomy, Histology and Embryology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - Zita Puskár
- Department of Anatomy, Histology and Embryology, Semmelweis University, H-1094 Budapest, Hungary
- Correspondence:
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50
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Yen E, Gaddis N, Jantzie L, Davis JM. A review of the genomics of neonatal abstinence syndrome. Front Genet 2023; 14:1140400. [PMID: 36845389 PMCID: PMC9950123 DOI: 10.3389/fgene.2023.1140400] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 02/01/2023] [Indexed: 02/12/2023] Open
Abstract
Neonatal abstinence syndrome (NAS) is a constellation of signs of withdrawal occurring after birth following in utero exposure to licit or illicit opioids. Despite significant research and public health efforts, NAS remains challenging to diagnose, predict, and manage due to highly variable expression. Biomarker discovery in the field of NAS is crucial for stratifying risk, allocating resources, monitoring longitudinal outcomes, and identifying novel therapeutics. There is considerable interest in identifying important genetic and epigenetic markers of NAS severity and outcome that can guide medical decision making, research efforts, and public policy. A number of recent studies have suggested that genetic and epigenetic changes are associated with NAS severity, including evidence of neurodevelopmental instability. This review will provide an overview of the role of genetics and epigenetics in short and longer-term NAS outcomes. We will also describe novel research efforts using polygenic risk scores for NAS risk stratification and salivary gene expression to understand neurobehavioral modulation. Finally, emerging research focused on neuroinflammation from prenatal opioid exposure may elucidate novel mechanisms that could lead to development of future novel therapeutics.
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Affiliation(s)
- Elizabeth Yen
- Department of Pediatrics, Tufts Medical Center, Boston, MA, United States
- Mother Infant Research Institute, Tufts Medical Center, Boston, MA, United States
- Tufts University School of Medicine, Boston, MA, United States
- *Correspondence: Elizabeth Yen,
| | - Nathan Gaddis
- Research Triangle Institute International, Research Triangle Park, Durham, NC, United States
| | - Lauren Jantzie
- Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Jonathan M. Davis
- Department of Pediatrics, Tufts Medical Center, Boston, MA, United States
- Tufts University School of Medicine, Boston, MA, United States
- Tufts Clinical and Translational Sciences Institute, Boston, MA, United States
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