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Darwish AB, Salama A, Younis MM. Neuroprotective efficiency of celecoxib vesicular bilosomes for the management of lipopolysaccharide-induced Alzheimer in mice employing 2 3 full factorial design. Inflammopharmacology 2024:10.1007/s10787-024-01522-y. [PMID: 39017993 DOI: 10.1007/s10787-024-01522-y] [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: 06/05/2024] [Accepted: 07/02/2024] [Indexed: 07/18/2024]
Abstract
The aim of this study was to develop and evaluate bilosomes loaded with Celecoxib (CXB) for the efficient treatment of Alzheimer. The thin-film hydration approach was utilized in the formulation of CXB bilosomes (CXB-BLs). The study used a 23-factorial design to investigate the impact of several formulation variables. Three separate parameters were investigated: bile salt type (X1), medication amount (X2), and lipid-bile salt ratio (X3). The dependent responses included entrapment efficiency (Y1: EE %), particle size (Y2: PS), and zeta potential (Y3: ZP). The formulation factors were statistically optimized using the Design-Expert® program. The vesicles demonstrated remarkable CXB encapsulation efficiency, ranging from 94.16 ± 1.91 to 98.38 ± 0.85%. The vesicle sizes ranged from 241.8 ± 6.74 to 352 ± 2.34 nm. The produced formulations have high negative zeta potential values, indicating strong stability. Transmission electron microscopy (TEM) revealed that the optimized vesicles had a spherical form. CXB release from BLs was biphasic, with the release pattern following Higuchi's model. In vivo studies confirmed the efficiency of CXB-BLs in management of lipopolysaccharide-induced Alzheimer as CXB-BLs ameliorated cognitive dysfunction, decreased acetylcholinesterase (AChE), and inhibited neuro-inflammation and neuro-degeneration through reducing Toll-like receptor (TLR4), and Interleukin-1β (IL-1β) levels. The findings suggested that the created CXB-BLs could be a potential drug delivery strategy for Alzheimer's treatment.
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Affiliation(s)
- Asmaa Badawy Darwish
- Pharmaceutical Technology Department, National Research Centre, 33 El-Buhouth Street, Dokki, Cairo, 12622, Egypt.
| | - Abeer Salama
- Pharmacology Department, National Research Centre, 33 El-Buhouth Street, Dokki, Cairo, 12622, Egypt
| | - Mostafa Mohammed Younis
- Pharmaceutical Technology Department, National Research Centre, 33 El-Buhouth Street, Dokki, Cairo, 12622, Egypt
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2
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Ruivo J, Tavares I, Pozza DH. Molecular targets in bone cancer pain: a systematic review of inflammatory cytokines. J Mol Med (Berl) 2024:10.1007/s00109-024-02464-2. [PMID: 38940936 DOI: 10.1007/s00109-024-02464-2] [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: 03/14/2024] [Revised: 06/06/2024] [Accepted: 06/20/2024] [Indexed: 06/29/2024]
Abstract
Bone cancer pain (BCP) profoundly impacts patient's quality of life, demanding more effective pain management strategies. The aim of this systematic review was to investigate the role of inflammatory cytokines as potential molecular targets in BCP. A systematic search for animal rodent models of bone cancer pain studies was conducted in PubMed, Scopus, and Web of Science. Methodological quality and risk of bias were assessed using the SYRCLE RoB tool. Twenty-five articles met the inclusion criteria, comprising animal studies investigating molecular targets related to inflammatory cytokines in BCP. A low to moderate risk of bias was reported. Key findings in 23 manuscripts revealed upregulated classic pro-inflammatory cytokines (TNF-α, IL-1β, IL-6, IL-17, IL-18, IL-33) and chemokines in the spinal cord, periaqueductal gray, and dorsal root ganglia. Interventions targeting these cytokines consistently mitigated pain behaviors. Additionally, it was demonstrated that glial cells, due to their involvement in the release of inflammatory cytokines, emerged as significant contributors to BCP. This systematic review underscores the significance of inflammatory cytokines as potential molecular targets for alleviating BCP. It emphasizes the promise of targeted interventions and advocates for further research to translate these findings into effective therapeutic strategies. Ultimately, this approach holds the potential to enhance the patient's quality of life.
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Affiliation(s)
- Jacinta Ruivo
- Experimental Biology Unit, Department of Biomedicine, Faculty of Medicine of Porto, University of Porto, 4200-319, Porto, Portugal
| | - Isaura Tavares
- Experimental Biology Unit, Department of Biomedicine, Faculty of Medicine of Porto, University of Porto, 4200-319, Porto, Portugal
- Institute for Research and Innovation in Health and IBMC, University of Porto, 4200-135, Porto, Portugal
| | - Daniel H Pozza
- Experimental Biology Unit, Department of Biomedicine, Faculty of Medicine of Porto, University of Porto, 4200-319, Porto, Portugal.
- Institute for Research and Innovation in Health and IBMC, University of Porto, 4200-135, Porto, Portugal.
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3
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Zyryanov SK, Baybulatova EA. [Current challenges for therapy of comorbid patients: a new look at celecoxib. A review]. TERAPEVT ARKH 2024; 96:531-542. [PMID: 38829816 DOI: 10.26442/00403660.2024.05.202769] [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: 05/29/2024] [Accepted: 05/29/2024] [Indexed: 06/05/2024]
Abstract
The use of non-steroidal anti-inflammatory drugs (NSAIDs) for a wide range of diseases is increasing, in part due to an increasing elderly population. Elderly patients are more vulnerable to adverse drug reactions, including side effects and adverse effects of drug-drug interactions, often occurring in this category of patients due to multimorbidity and polypharmacy. One of the most popular NSAIDs in the world is celecoxib. It is a selective cyclooxygenase (COX)-2 inhibitor with 375 times more COX-2 inhibitory activity than COX-1. As a result, celecoxib has a better gastrointestinal tract safety profile than non-selective NSAIDs. Gastrointestinal tolerance is an essential factor that physicians should consider when selecting NSAIDs for elderly patients. Celecoxib can be used in a wide range of diseases of the musculoskeletal system and rheumatological diseases, for the treatment of acute pain in women with primary dysmenorrhea, etc. It is also increasingly used as part of a multimodal perioperative analgesia regimen. There is strong evidence that COX-2 is actively involved in the pathogenesis of ischemic brain damage, as well as in the development and progression of neurodegenerative diseases, such as Alzheimer's disease. NSAIDs are first-line therapy in the treatment of acute migraine attacks. Celecoxib is well tolerated in patients with risk factors for NSAID-associated nephropathy. It does not decrease the glomerular filtration rate in elderly patients and patients with chronic renal failure. Many meta-analyses and epidemiological studies have not confirmed the increased risk of cardiovascular events reported in previous clinical studies and have not shown an increased risk of cardiovascular events with celecoxib, irrespective of dose. COX-2 activation is one of the key factors contributing to obesity-related inflammation. Specific inhibition of COX-2 by celecoxib increases insulin sensitivity in overweight or obese patients. Combination therapies may be a promising new area of treatment for obesity and diabetes.
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Affiliation(s)
- S K Zyryanov
- Peoples' Friendship University of Russia named after Patrice Lumumba
| | - E A Baybulatova
- Peoples' Friendship University of Russia named after Patrice Lumumba
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Barbosa FL, Ehrenfried CA, Radulski DR, Oliveira CS, Stefanello MÉA, Zampronio AR. Antinociceptive and anti-inflammatory activity of extracts and α-pyrones isolated from Cantinoa stricta. Inflammopharmacology 2024; 32:1263-1275. [PMID: 38467913 DOI: 10.1007/s10787-024-01444-9] [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: 12/14/2023] [Accepted: 01/25/2024] [Indexed: 03/13/2024]
Abstract
This study evaluated the composition and the antinociceptive and anti-inflammatory activity of the crude extracts and two isolated compounds, anamarine (ANA) and 10-epi-olguine (eOL), obtained from the leaves of Cantinoa stricta (Lamiaceae). Crude ethanolic extract (EEt) and dichloromethane extract (DCM), selected based on NMR data, were submitted to pharmacological tests in male Swiss mice. The oral administration of EEt and DCM significantly reduced the second phase of formalin-induced nociception (60%), lipopolysaccharide (LPS)-induced mechanical hyperalgesia (90%), and carrageenan (Cg)-induced edema (25%). ANA and eOL, the major compounds in EEt and DCM extracts, administered orally or locally (in the paw), also reduced the LPS-induced mechanical hyperalgesia (Oral ID50 1.9 and 3.9 mg/kg; Local ID50 93.4 and 677.3 ng, respectively) without changing the thermal acute nociception or the motor performance of the animals. Local administration of ANA and eOL also reduced Cg-induced edema (40 and 23%, respectively). These isolated compounds did not change the mechanical hyperalgesia induced by tumor necrosis factor-α, interleukin-1β, prostaglandin E2, dibutyryl cyclic AMP, or forskolin but reversed the hyperalgesia induced by dopamine, epinephrine, and phorbol 12-myristate 13-acetate. The hyperalgesia induced by epinephrine was reversed in male but not in female mice, in which this response is not dependent on protein kinase C (PKC). These results suggest that C. stricta extracts possess antinociceptive and anti-inflammatory activity which is related to the presence of ANA and eOL. Differently from the known analgesics, these substances seem to exert their action mainly interfering with the sympathetic component of pain, possibly with PKC.
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Affiliation(s)
- Felipe Lukacievicz Barbosa
- Pharmacology Department, Biological Sciences Sector, Federal University of Paraná, Mailbox: 19031, Curitiba, PR, CEP 81540-970, Brazil
| | - Carlos Augusto Ehrenfried
- Pharmacology Department, Biological Sciences Sector, Federal University of Paraná, Mailbox: 19031, Curitiba, PR, CEP 81540-970, Brazil
| | - Débora Rasec Radulski
- Pharmacology Department, Biological Sciences Sector, Federal University of Paraná, Mailbox: 19031, Curitiba, PR, CEP 81540-970, Brazil
| | | | | | - Aleksander Roberto Zampronio
- Pharmacology Department, Biological Sciences Sector, Federal University of Paraná, Mailbox: 19031, Curitiba, PR, CEP 81540-970, Brazil.
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Changkakoti L, Das JM, Borah R, Rajabalaya R, David SR, Balaraman AK, Pramanik S, Haldar PK, Bala A. Protein Kinase C (PKC)-mediated TGF-β Regulation in Diabetic Neuropathy: Emphasis on Neuro-inflammation and Allodynia. Endocr Metab Immune Disord Drug Targets 2024; 24:777-788. [PMID: 37937564 DOI: 10.2174/0118715303262824231024104849] [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: 05/31/2023] [Revised: 08/08/2023] [Accepted: 09/25/2023] [Indexed: 11/09/2023]
Abstract
According to the World Health Organization (WHO), diabetes has been increasing steadily over the past few decades. In developing countries, it is the cause of increased morbidity and mortality. Diabetes and its complications are associated with education, occupation, and income across all levels of socioeconomic status. Factors, such as hyperglycemia, social ignorance, lack of proper health knowledge, and late access to medical care, can worsen diabetic complications. Amongst the complications, neuropathic pain and inflammation are considered the most common causes of morbidity for common populations. This review is focused on exploring protein kinase C (PKC)-mediated TGF-946; regulation in diabetic complications with particular emphasis on allodynia. The role of PKC-triggered TGF-946; in diabetic neuropathy is not well explored. This review will provide a better understanding of the PKC-mediated TGF-946; regulation in diabetic neuropathy with several schematic illustrations. Neuroinflammation and associated hyperalgesia and allodynia during microvascular complications in diabetes are scientifically illustrated in this review. It is hoped that this review will facilitate biomedical scientists to better understand the etiology and target drugs effectively to manage diabetes and diabetic neuropathy.
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Affiliation(s)
- Liza Changkakoti
- Pharmacology and Drug Discovery Research Laboratory, Division of Life Sciences, Institute of Advanced Study in Science and Technology (IASST), An Autonomous Institute Under - Department of Science & Technology (Govt. of India) Vigyan Path, Guwahati, PIN- 781035 Assam, India
| | - Jitu Mani Das
- Pharmacology and Drug Discovery Research Laboratory, Division of Life Sciences, Institute of Advanced Study in Science and Technology (IASST), An Autonomous Institute Under - Department of Science & Technology (Govt. of India) Vigyan Path, Guwahati, PIN- 781035 Assam, India
| | - Rajiv Borah
- Department of Mechanical, Manufacturing and Biomedical Engineering, Trinity College Dublin, The University of Dublin, Dublin, Ireland
| | - Rajan Rajabalaya
- PAPRSB Institute of Health Sciences, Universiti Brunei Darussalam, BE 1410 Bandar Seri Begawan, Brunei Darussalam
| | - Sheba Rani David
- School of Pharmacology, University of Wyoming, Laramie, Wyoming, 82071, USA
| | - Ashok Kumar Balaraman
- Faculty of Pharmacy, MAHSA University, Bandar Saujana Putra, 42610, Jenjarom, Selangor, Malaysia
| | - Subrata Pramanik
- Jyoti and Bhupat Mehta School of Health Sciences & Technology, Indian Institute of Technology (IIT), Guwahati, Assam- 781039, India
| | - Pallab Kanti Haldar
- Department of Pharmaceutical Technology, Division of Pharmacology & Toxicology, Jadavpur University, Kolkata, 700032, India
| | - Asis Bala
- Pharmacology and Drug Discovery Research Laboratory, Division of Life Sciences, Institute of Advanced Study in Science and Technology (IASST), An Autonomous Institute Under - Department of Science & Technology (Govt. of India) Vigyan Path, Guwahati, PIN- 781035 Assam, India
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6
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Huang C, Chen Y, Cai Y, Ding H, Hong J, You S, Lin Y, Hu H, Chen Y, Hu X, Chen Y, Huang Y, Zhang C, Lin Y, Huang Z, Li W, Zhang W, Fang X. TRPV1 + neurons alter Staphylococcus aureus skin infection outcomes by affecting macrophage polarization and neutrophil recruitment. BMC Immunol 2023; 24:55. [PMID: 38129779 PMCID: PMC10740264 DOI: 10.1186/s12865-023-00584-x] [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: 04/20/2023] [Accepted: 11/06/2023] [Indexed: 12/23/2023] Open
Abstract
BACKGROUND The interaction between the nervous system and the immune system can affect the outcome of a bacterial infection. Staphylococcus aureus skin infection is a common infectious disease, and elucidating the relationship between the nervous system and immune system may help to improve treatment strategies. RESULTS In this study, we found that the local release of calcitonin gene-related peptide (CGRP) increased during S. aureus skin infection, and S. aureus could promote the release of CGRP from transient receptor potential cation channel subfamily V member 1 (TRPV1+) neurons in vitro. The existence of TRPV1+ neurons inhibited the recruitment of neutrophils to the infected region and regulated the polarization of macrophages toward M2 while inhibiting polarization toward M1. This reduces the level of inflammation in the infected area, which aggravates the local infection. Furthermore, this study demonstrates that TRPV1 may be a target for the treatment of S. aureus skin infections and that botulinum neurotoxin A (BoNT/A) and BIBN4096 may reverse the inhibited inflammatory effect of CGRP, making them potential therapeutics for the treatment of skin infection in S. aureus. CONCLUSIONS In S. aureus skin infection, TRPV1+ neurons inhibit neutrophil recruitment and regulate macrophage polarization by releasing CGRP. BoNT/A and BIBN4096 may be potential therapeutic agents for S. aureus skin infection.
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Affiliation(s)
- Changyu Huang
- Department of Orthopaedic Surgery, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China
- Department of Orthopedic Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350000, China
- Fujian Provincial Institute of Orthopedics, the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350000, China
| | - Yang Chen
- Department of Orthopaedic Surgery, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China
- Department of Orthopedic Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350000, China
- Fujian Provincial Institute of Orthopedics, the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350000, China
| | - Yuanqing Cai
- Department of Orthopaedics, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Haiqi Ding
- Department of Orthopaedic Surgery, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China
- Department of Orthopedic Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350000, China
- Fujian Provincial Institute of Orthopedics, the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350000, China
| | - Jiaoying Hong
- Department of Anesthesiology, The Second Hospital of Nan'an, Quanzhou, Fujian, China
| | - Shan You
- Fujian Medical University, Fuzhou, Fujian, China
| | - Yiming Lin
- Department of Orthopaedic Surgery, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China
- Department of Orthopedic Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350000, China
- Fujian Provincial Institute of Orthopedics, the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350000, China
| | - Hongxin Hu
- Department of Orthopaedic Surgery, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China
- Department of Orthopedic Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350000, China
- Fujian Provincial Institute of Orthopedics, the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350000, China
| | - Yongfa Chen
- Department of Orthopaedic Surgery, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China
- Department of Orthopedic Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350000, China
- Fujian Provincial Institute of Orthopedics, the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350000, China
| | - Xueni Hu
- Department of Laboratory Medicine, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Yanshu Chen
- Department of Laboratory Medicine, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Ying Huang
- Department of Orthopaedic Surgery, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China
- Department of Orthopedic Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350000, China
- Fujian Provincial Institute of Orthopedics, the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350000, China
| | - Chaofan Zhang
- Department of Orthopaedic Surgery, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China
- Department of Orthopedic Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350000, China
- Fujian Provincial Institute of Orthopedics, the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350000, China
| | - Yunzhi Lin
- Department of Stomatology, the First Affiliated Hospital, Fujian Medical University, Fuzhou, China
| | - Zida Huang
- Department of Orthopaedic Surgery, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China
- Department of Orthopedic Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350000, China
- Fujian Provincial Institute of Orthopedics, the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350000, China
| | - Wenbo Li
- Department of Orthopaedic Surgery, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China
- Department of Orthopedic Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350000, China
- Fujian Provincial Institute of Orthopedics, the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350000, China
| | - Wenming Zhang
- Department of Orthopaedic Surgery, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China.
- Department of Orthopedic Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350000, China.
- Fujian Provincial Institute of Orthopedics, the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350000, China.
- , Fuzhou, China.
| | - Xinyu Fang
- Department of Orthopaedic Surgery, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China.
- Department of Orthopedic Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350000, China.
- Fujian Provincial Institute of Orthopedics, the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350000, China.
- , Fuzhou, China.
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Modi P, Shah BM, Patel S. Interleukin-1β converting enzyme (ICE): A comprehensive review on discovery and development of caspase-1 inhibitors. Eur J Med Chem 2023; 261:115861. [PMID: 37857145 DOI: 10.1016/j.ejmech.2023.115861] [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: 08/12/2023] [Revised: 10/05/2023] [Accepted: 10/05/2023] [Indexed: 10/21/2023]
Abstract
Caspase-1 is a critical mediator of the inflammatory process by activating various pro-inflammatory cytokines such as pro-IL-1β, IL-18 and IL-33. Uncontrolled activation of caspase-1 leads to various cytokines-mediated diseases. Thus, inhibition of Caspase-1 is considered therapeutically beneficial to halt the progression of such diseases. Currently, rilonacept, canakinumab and anakinra are in use for caspase-1-mediated autoinflammatory diseases. However, the poor pharmacokinetic profile of these peptides limits their use as therapeutic agents. Therefore, several peptidomimetic inhibitors have been developed, but only a few compounds (VX-740, VX-765) have advanced to clinical trials; because of their toxic profile. Several small molecule inhibitors have also been progressing based on the three-dimensional structure of caspase-1. However there is no successful candidate available clinically. In this perspective, we highlight the mechanism of caspase-1 activation, its therapeutic potential as a disease target and potential therapeutic strategies targeting caspase-1 with their limitations.
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Affiliation(s)
- Palmi Modi
- Department of Pharmaceutical Chemistry, L. J. Institute of Pharmacy, L J University Ahmedabad - 382 210, Gujarat, India
| | - Bhumi M Shah
- Department of Pharmaceutical Chemistry, L. J. Institute of Pharmacy, L J University Ahmedabad - 382 210, Gujarat, India
| | - Shivani Patel
- Division of Biological and Life Sciences, Ahmedabad University, Ahmedabad, 380009, Gujarat, India.
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Xu WB, Tang MH, Long JY, Wang WW, Qin JY, Qi XJ, Liu ZY. Antinociceptive effect of gelsenicine, principal toxic alkaloids of gelsemium, on prostaglandin E2-induced hyperalgesia in mice: Comparison with gelsemine and koumine. Biochem Biophys Res Commun 2023; 681:55-61. [PMID: 37757667 DOI: 10.1016/j.bbrc.2023.09.037] [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: 08/24/2023] [Revised: 09/10/2023] [Accepted: 09/16/2023] [Indexed: 09/29/2023]
Abstract
Gelsemium elegans (G.elegans) is a plant of the Loganiaceae family, known for its indole alkaloids, including gelsemine, koumine, and gelsenicine. Gelsemine and koumine are well-studied active alkaloids with low toxicity, valued for their anti-anxiety and analgesic properties. However, gelsenicine, another important alkaloid, remains underexplored due to its high toxicity. This study focuses on evaluating the analgesic properties of gelsenicine and comparing them with gelsemine and koumine. The results indicate that all three alkaloids exhibit robust analgesic properties, with gelsemine, koumine, and gelsenicine showing ED50 values of 0.82 mg/kg, 0.60 mg/kg, and 8.43 μg/kg, respectively, as assessed by the hot plate method. Notably, the therapeutic dose of gelsenicine was significantly lower than its toxic dose (LD50 = 0.185 mg/kg). The study also investigated the mechanism of action by analyzing the expression levels of GlyRα3 and Gephyrin. The PGE2 model group showed decreased expression levels of GlyRα3 and Gephyrin, while groups treated with gelsemine, koumine, and gelsenicine were able to reverse this decrease. These results suggest that gelsenicine effectively alleviates PGE2-induced hyperalgesia by upregulating the expression of GlyRα3 and Gephyrin, which are key targets of the Gly receptor pathway.
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Affiliation(s)
- Wen-Bo Xu
- College of Veterinary Medicine, Hunan Agricultural University, Changsha, 410128, China; Hunan Engineering Technology Research Center of Veterinary Drugs, Hunan Agricultural University, Changsha, 410128, China
| | - Mo-Huan Tang
- College of Veterinary Medicine, Hunan Agricultural University, Changsha, 410128, China; Hunan Engineering Technology Research Center of Veterinary Drugs, Hunan Agricultural University, Changsha, 410128, China
| | - Jiang-Yu Long
- College of Veterinary Medicine, Hunan Agricultural University, Changsha, 410128, China; Hunan Engineering Technology Research Center of Veterinary Drugs, Hunan Agricultural University, Changsha, 410128, China
| | - Wei-Wei Wang
- College of Veterinary Medicine, Hunan Agricultural University, Changsha, 410128, China; Hunan Engineering Technology Research Center of Veterinary Drugs, Hunan Agricultural University, Changsha, 410128, China
| | - Jiao-Yan Qin
- College of Veterinary Medicine, Hunan Agricultural University, Changsha, 410128, China; Hunan Engineering Technology Research Center of Veterinary Drugs, Hunan Agricultural University, Changsha, 410128, China
| | - Xue-Jia Qi
- College of Veterinary Medicine, Hunan Agricultural University, Changsha, 410128, China; Hunan Engineering Technology Research Center of Veterinary Drugs, Hunan Agricultural University, Changsha, 410128, China
| | - Zhao-Ying Liu
- College of Veterinary Medicine, Hunan Agricultural University, Changsha, 410128, China; Hunan Engineering Technology Research Center of Veterinary Drugs, Hunan Agricultural University, Changsha, 410128, China.
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9
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Ko CY, Wu CH, Nguyen TKN, Chen LW, Wu JSB, Huang WC, Shen SC. Alleviative Effect of Ficus formosana Extract on Peripheral Neuropathy in Ovariectomized Diabetic Mice. PLANTS (BASEL, SWITZERLAND) 2023; 12:3774. [PMID: 37960130 PMCID: PMC10649879 DOI: 10.3390/plants12213774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 10/25/2023] [Accepted: 10/30/2023] [Indexed: 11/15/2023]
Abstract
In diabetes mellitus, Ficus formosana has been reported to ameliorate blood sugar levels and inhibit inflammation through its polyphenol and flavonoid contents. However, its effect on diabetic peripheral neuropathy (DPN) remains unknown. This study aimed to investigate the effect of Ficus formosana extract (FFE) on DPN in ovariectomized diabetic mice. Ovariectomized female C57BL/6J mice fed a high-fat diet plus streptozotocin injections to induce type 2 diabetes were orally administered FEE at 20 or 200 mg/kg BW daily, for 6 weeks. To evaluate the pain responses in the paws of the mice, a von Frey filament test and a thermal hyperalgesia test were performed. Additionally, the intraepidermal and sciatic nerve sections were examined, along with an assessment of inflammation- and pain response-related mRNA expression in the paws of the mice. The results showed that the oral administration of both 20 and 200 mg/kg BW FEE significantly alleviated the hypersensitivity of the paw and the abnormal proliferation and rupture of the C fiber, and reduced the mRNA expression of interleukin-1β, interleukin-6, interferon-γ, cyclooxygenase-2, and voltage-gated sodium channel 1.8 in the sciatic nerve of ovariectomized diabetic mice. We propose that FFE ameliorates peripheral neuropathy by suppressing oxidative damage in ovariectomized diabetic mice.
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Affiliation(s)
- Chih-Yuan Ko
- Department of Clinical Nutrition, The Second Affiliated Hospital of Fujian Medical University, Quanzhou 362000, China;
- School of Public Health, Fujian Medical University, Fuzhou 350122, China
- School of Medical Technology and Engineering, Fujian Medical University, Fuzhou 350122, China
| | - Chung-Hsin Wu
- School of Life Science, National Taiwan Normal University, Taipei 10617, Taiwan;
| | - Thi Kim Ngan Nguyen
- Graduate Program of Nutrition Science, National Taiwan Normal University, Taipei 10617, Taiwan; (T.K.N.N.); (L.-W.C.)
| | - Li-Wen Chen
- Graduate Program of Nutrition Science, National Taiwan Normal University, Taipei 10617, Taiwan; (T.K.N.N.); (L.-W.C.)
| | - James Swi-Bea Wu
- Graduate Institute of Food Science and Technology, National Taiwan University, Taipei 10617, Taiwan;
| | - Wen-Chung Huang
- Graduate Institute of Health Industry Technology, Chang Gung University of Science and Technology, Taoyuan 33303, Taiwan;
| | - Szu-Chuan Shen
- Graduate Program of Nutrition Science, National Taiwan Normal University, Taipei 10617, Taiwan; (T.K.N.N.); (L.-W.C.)
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10
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Paula DD, França M, Leão L, Maciel A, Moura T, de Moraes S, Bahia C, Borges R, Batista E, Passos A, Oliveira K, Herculano A. Total rupture of Achilles tendon induces inflammatory response and glial activation on the spinal cord of mice. Braz J Med Biol Res 2023; 56:e12391. [PMID: 37851789 PMCID: PMC10578131 DOI: 10.1590/1414-431x2023e12391] [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: 09/20/2022] [Accepted: 09/02/2023] [Indexed: 10/20/2023] Open
Abstract
Rupture of Achilles tendon is a common accident affecting professional and recreational athletes. Acute and chronic pain are symptoms commonly observed in patients with rupture. However, few studies have investigated whether Achilles tendon rupture is able to promote disorders in the central nervous system (CNS). Therefore, the current study aimed to evaluate nociceptive alterations and inflammatory response in the L5 lumbar segment of Balb/c mice spinal cord after Achilles tendon rupture. We found increased algesia in the paw of the ruptured group on the 7th and 14th days post-tenotomy compared with the control group. This phenomenon was accompanied by overexpression of cyclooxygenase-2 (COX-2) and inducible nitric oxide synthase-2 (NOS-2) as well as hyperactivation of astrocytes and microglia in nociceptive areas of L5 spinal cord as evidenced by intense GFAP and IBA-1 immunostaining, respectively. Biochemical studies also demonstrated increased levels of nitrite in the L5 spinal cord of tenotomized animals compared with the control group. Thus, we have demonstrated for the first time that total rupture of the Achilles tendon induced inflammatory response and nitrergic and glial activation in the CNS in the L5 spinal cord region.
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Affiliation(s)
- D.R. De Paula
- Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém, PA, Brasil
| | - M.S. França
- Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém, PA, Brasil
| | - L.K.R. Leão
- Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém, PA, Brasil
| | - A.A. Maciel
- Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém, PA, Brasil
| | - T.A.A. Moura
- Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém, PA, Brasil
| | - S.A.S. de Moraes
- Instituto de Ciências da Saúde, Universidade Federal do Pará, Belém, PA, Brasil
| | - C.P. Bahia
- Instituto de Ciências da Saúde, Universidade Federal do Pará, Belém, PA, Brasil
| | - R.S. Borges
- Instituto de Ciências da Saúde, Universidade Federal do Pará, Belém, PA, Brasil
| | - E.J.O. Batista
- Núcleo de Medicina Tropical, Universidade Federal do Pará, Belém, PA, Brasil
| | - A.C.F. Passos
- Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém, PA, Brasil
| | - K.R.H.M. Oliveira
- Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém, PA, Brasil
| | - A.M. Herculano
- Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém, PA, Brasil
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11
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Werynska K, Neumann E, Cramer T, Ganley RP, Gingras J, Zeilhofer HU. A phospho-deficient α3 glycine receptor mutation alters synaptic glycine and GABA release in mouse spinal dorsal horn neurons. J Physiol 2023; 601:4121-4133. [PMID: 37598301 DOI: 10.1113/jp284589] [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: 02/25/2023] [Accepted: 08/03/2023] [Indexed: 08/21/2023] Open
Abstract
Glycine receptors (GlyRs), together with GABAA receptors, mediate postsynaptic inhibition in most spinal cord and hindbrain neurons. In several CNS regions, GlyRs are also expressed in presynaptic terminals. Here, we analysed the effects of a phospho-deficient mutation (S346A) in GlyR α3 subunits on inhibitory synaptic transmission in superficial spinal dorsal horn neurons, where this subunit is abundantly expressed. Unexpectedly, we found that not only were the amplitudes of evoked glycinergic inhibitory postsynaptic currents (IPSCs) significantly larger in GlyRα3(S346A) mice than in mice expressing wild-type α3GlyRs (GlyRα3(WT) mice), but so were those of GABAergic IPSCs. Decreased frequencies of spontaneously occurring glycinergic and GABAergic miniature IPSCs (mIPSCs) with no accompanying change in mIPSC amplitudes suggested a change in presynaptic transmitter release. Paired-pulse experiments on glycinergic IPSCs revealed an increased paired-pulse ratio and a smaller coefficient of variation in GlyRα3(S346A) mice, which together indicate a reduction in transmitter release probability and an increase in the number of releasable vesicles. Paired-pulse ratios of GABAergic IPSCs recorded in the presence of strychnine were not different between genotypes, while the coefficient of variation was smaller in GlyRα3(S346A) mice, demonstrating that the decrease in release probability was readily reversible by GlyR blockade, while the difference in the size of the pool of releasable vesicles remained. Taken together, our results suggest that presynaptic α3 GlyRs regulate synaptic glycine and GABA release in superficial dorsal horn neurons, and that this effect is potentially regulated by their phosphorylation status. KEY POINTS: A serine-to-alanine point mutation was introduced into the glycine receptor α3 subunit of mice. This point mutation renders α3 glycine receptors resistant to protein kinase A mediated phosphorylation but has otherwise only small effects on receptor function. Patch-clamp recordings from neurons in mouse spinal cord slices revealed an unexpected increase in the amplitudes of both glycinergic and GABAergic evoked inhibitory postsynaptic currents (IPSCs). Miniature IPSCs, paired-pulse ratios and synaptic variation analyses indicate a change in synaptic glycine and GABA release. The results strongly suggest that α3 subunit-containing glycine receptors are expressed on presynaptic terminals of inhibitory dorsal horn neurons where they regulate transmitter release.
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Affiliation(s)
- Karolina Werynska
- Institute of Pharmacology and Toxicology, University of Zurich, Zurich, Switzerland
- Drug Discovery Network Zurich, University of Zurich and ETH Zurich, Zurich, Switzerland
| | - Elena Neumann
- Institute of Pharmacology and Toxicology, University of Zurich, Zurich, Switzerland
| | - Teresa Cramer
- Institute of Pharmacology and Toxicology, University of Zurich, Zurich, Switzerland
| | - Robert P Ganley
- Institute of Pharmacology and Toxicology, University of Zurich, Zurich, Switzerland
| | | | - Hanns Ulrich Zeilhofer
- Institute of Pharmacology and Toxicology, University of Zurich, Zurich, Switzerland
- Drug Discovery Network Zurich, University of Zurich and ETH Zurich, Zurich, Switzerland
- Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology (ETH) Zurich, Zurich, Switzerland
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12
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Nguyen T, Nguyen N, Cochran AG, Smith JA, Al-Juboori M, Brumett A, Saxena S, Talley S, Campbell EM, Obukhov AG, White FA. Repeated closed-head mild traumatic brain injury-induced inflammation is associated with nociceptive sensitization. J Neuroinflammation 2023; 20:196. [PMID: 37635235 PMCID: PMC10464478 DOI: 10.1186/s12974-023-02871-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 08/03/2023] [Indexed: 08/29/2023] Open
Abstract
BACKGROUND Individuals who have experienced mild traumatic brain injuries (mTBIs) suffer from several comorbidities, including chronic pain. Despite extensive studies investigating the underlying mechanisms of mTBI-associated chronic pain, the role of inflammation in long-term pain after mTBIs is not fully elucidated. Given the shifting dynamics of inflammation, it is important to understand the spatial-longitudinal changes in inflammatory processes following mTBIs and their effects on TBI-related pain. METHODS We utilized a recently developed transgenic caspase-1 luciferase reporter mouse model to monitor caspase-1 activation through a thinned skull window in the in vivo setting following three closed-head mTBI events. Organotypic coronal brain slice cultures and acutely dissociated dorsal root ganglion (DRG) cells provided tissue-relevant context of inflammation signal. Mechanical allodynia was assessed by mechanical withdrawal threshold to von Frey and thermal hyperalgesia withdrawal latency to radiant heat. Mouse grimace scale (MGS) was used to detect spontaneous or non-evoked pain. In some experiments, mice were prophylactically treated with MCC950, a potent small molecule inhibitor of NLRP3 inflammasome assembly to inhibit injury-induced inflammatory signaling. Bioluminescence spatiotemporal dynamics were quantified in the head and hind paws, and caspase-1 activation was confirmed by immunoblot. Immunofluorescence staining was used to monitor the progression of astrogliosis and microglial activation in ex vivo brain tissue following repetitive closed-head mTBIs. RESULTS Mice with repetitive closed-head mTBIs exhibited significant increases of the bioluminescence signals within the brain and paws in vivo for at least one week after each injury. Consistently, immunoblotting and immunofluorescence experiments confirmed that mTBIs led to caspase-1 activation, astrogliosis, and microgliosis. Persistent changes in MGS and hind paw withdrawal thresholds, indicative of pain states, were observed post-injury in the same mTBI animals in vivo. We also observed enhanced inflammatory responses in ex vivo brain slice preparations and DRG for at least 3 days following mTBIs. In vivo treatment with MCC950 significantly reduced caspase-1 activation-associated bioluminescent signals in vivo and decreased stimulus-evoked and non-stimulus evoked nociception. CONCLUSIONS Our findings suggest that the inflammatory states in the brain and peripheral nervous system following repeated mTBIs are coincidental with the development of nociceptive sensitization, and that these events can be significantly reduced by inhibition of NLRP3 inflammasome activation.
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Affiliation(s)
- Tyler Nguyen
- Department of Anesthesia, Indiana University School of Medicine, Indianapolis, IN, USA
- Stark Neurosciences Research Institute, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Natalie Nguyen
- Department of Anesthesia, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Ashlyn G Cochran
- Department of Anesthesia, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Jared A Smith
- Stark Neurosciences Research Institute, Indiana University School of Medicine, Indianapolis, IN, USA
- Medical Scientist Training Program, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Mohammed Al-Juboori
- Department of Anesthesia, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Andrew Brumett
- Department of Anesthesia, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Saahil Saxena
- Department of Anesthesia, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Sarah Talley
- Department of Microbiology and Immunology, Loyola University Chicago, Maywood, IL, USA
| | - Edward M Campbell
- Department of Microbiology and Immunology, Loyola University Chicago, Maywood, IL, USA
- Stritch School of Medicine, Loyola University Chicago, Maywood, IL, USA
| | - Alexander G Obukhov
- Stark Neurosciences Research Institute, Indiana University School of Medicine, Indianapolis, IN, USA
- Department of Anatomy, Cellular Biology, and Physiology, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Fletcher A White
- Department of Anesthesia, Indiana University School of Medicine, Indianapolis, IN, USA.
- Stark Neurosciences Research Institute, Indiana University School of Medicine, Indianapolis, IN, USA.
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13
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Wesolowski M, Can P, Warzecha K, Freise F, Carlson R, Neßler J, Tipold A. Long-term changes of Th17 and regulatory T cells in peripheral blood of dogs with spinal cord injury after intervertebral disc herniation. BMC Vet Res 2023; 19:90. [PMID: 37481518 PMCID: PMC10362779 DOI: 10.1186/s12917-023-03647-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 07/12/2023] [Indexed: 07/24/2023] Open
Abstract
BACKGROUND Intervertebral disc herniation (IVDH) is one of the most common causes of spinal cord injury (SCI) in dogs. As a result of acute SCI, a complex inflammatory response occurs in the spinal cord. Th17 cells (Th17) produce pro-inflammatory cytokines, while regulatory T cells (Treg) have opposite effects producing anti-inflammatory cytokines. Therefore, the aim of this study was to determine whether Th17- and Treg cells are involved in the pathogenesis of SCI or whether cellular changes occur due to coexisting inflammatory diseases. We hypothesized that chronic alterations in the Th17/Treg ratio are associated with a worse outcome after SCI. METHODS Twenty-six paretic or plegic dogs with IVDH with and without coexisting inflammatory disease were investigated in the acute stage of the disease and after recovery of SCI. In addition, a healthy control group was included (n = 14). Quantification of Th17 and Treg cells, from peripheral blood samples, was performed by multicolor flow cytometry and IL17 was measured using an enzyme-linked immunosorbent assay (ELISA). RESULTS After recovery significantly higher levels of Th17 (p = 0.0265) and Treg cells (p = 0.00025) were detected compared to acute IVDH but Th17/Treg ratio did not differ significantly. Recovered dogs and the control group did not differ significantly from each other. No association between an imbalance in the ratio and neurologic severity or underlying inflammatory diseases was found. CONCLUSION This study demonstrated that altered Th17 and Treg levels in peripheral blood are altered in the acute stage of IVDH, preexisting inflammatory diseases seem not to influence these cell populations. Th17 and Treg cells could be considered when evaluating new treatment strategies for SCI.
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Affiliation(s)
- M Wesolowski
- Department of Small Animal Medicine and Surgery, University of Veterinary Medicine, Hannover, Germany.
| | - P Can
- Department of Surgery, Faculty of Veterinary Medicine, University of Ankara, Ankara, Turkey
| | - K Warzecha
- Department of Small Animal Medicine and Surgery, University of Veterinary Medicine, Hannover, Germany
| | - F Freise
- Department of Biometry, Epidemiology and Information Processing, University of Veterinary Medicine, Hannover, Germany
| | - R Carlson
- Department of Small Animal Medicine and Surgery, University of Veterinary Medicine, Hannover, Germany
| | - J Neßler
- Department of Small Animal Medicine and Surgery, University of Veterinary Medicine, Hannover, Germany
| | - A Tipold
- Department of Small Animal Medicine and Surgery, University of Veterinary Medicine, Hannover, Germany
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14
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Zaninelli TH, Martelossi-Cebinelli G, Saraiva-Santos T, Borghi SM, Fattori V, Casagrande R, Verri WA. New drug targets for the treatment of gout arthritis: what's new? Expert Opin Ther Targets 2023; 27:679-703. [PMID: 37651647 DOI: 10.1080/14728222.2023.2247559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 06/14/2023] [Accepted: 08/09/2023] [Indexed: 09/02/2023]
Abstract
INTRODUCTION Gout arthritis (GA) is an intermittent inflammatory disease affecting approximately 10% of the worldwide population. Symptomatic phases (acute flares) are timely spaced by asymptomatic periods. During an acute attack, redness, joint swelling, limited movement, and excruciating pain are common symptoms. However, the current available therapies are not fully effective in reducing symptoms and offer numerous side effects. Therefore, unveiling new drug targets and effector molecules are required in developing novel GA therapeutics. AREAS COVERED This review discusses the pathophysiological mechanisms of GA and explores potential pharmacological targets to ameliorate disease outcome. In addition, we listed promising pre-clinical studies demonstrating effector molecules with therapeutical potential. Among those, we emphasized the importance of natural products, including traditional Chinese medicine formulas and their multitarget mechanisms of action. EXPERT OPINION In our search, we observed that there is a massive gap between pre-clinical and clinical knowledge. Only a minority (4.4%) of clinical trials aimed to intervene by applying natural products or current hot targets described herein. In this sense, we envisage four possibilities for GA therapeutics, which include the repurposing of existing therapies, ALX/FPR2 agonism for improvement in disease outcome, the use of multitarget drugs (e.g. natural products), and targeting the neuroinflammatory component of GA.
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Affiliation(s)
- Tiago H Zaninelli
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Centre of Biological Sciences, Londrina State University, Londrina, Paraná, Brazil
| | - Geovana Martelossi-Cebinelli
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Centre of Biological Sciences, Londrina State University, Londrina, Paraná, Brazil
| | - Telma Saraiva-Santos
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Centre of Biological Sciences, Londrina State University, Londrina, Paraná, Brazil
| | - Sergio M Borghi
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Centre of Biological Sciences, Londrina State University, Londrina, Paraná, Brazil
- Center for Research in Health Sciences, University of Northern Londrina, Londrina, Brazil
| | - Victor Fattori
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Centre of Biological Sciences, Londrina State University, Londrina, Paraná, Brazil
- Vascular Biology Program, Department of Surgery, Boston Children's Hospital-Harvard Medical School, Karp Research Building, Boston, MA, USA
| | - Rubia Casagrande
- Laboratory of Antioxidants and Inflammation, Department of Pharmaceutical Sciences, Centre of Health Sciences, Londrina State University, Londrina, Brazil
| | - Waldiceu A Verri
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Centre of Biological Sciences, Londrina State University, Londrina, Paraná, Brazil
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15
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Park J, Lee C, Kim YT. Effects of Natural Product-Derived Compounds on Inflammatory Pain via Regulation of Microglial Activation. Pharmaceuticals (Basel) 2023; 16:941. [PMID: 37513853 PMCID: PMC10386117 DOI: 10.3390/ph16070941] [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: 06/08/2023] [Revised: 06/22/2023] [Accepted: 06/26/2023] [Indexed: 07/30/2023] Open
Abstract
Inflammatory pain is a type of pain caused by tissue damage associated with inflammation and is characterized by hypersensitivity to pain and neuroinflammation in the spinal cord. Neuroinflammation is significantly increased by various neurotransmitters and cytokines that are expressed in activated primary afferent neurons, and it plays a pivotal role in the development of inflammatory pain. The activation of microglia and elevated levels of pro-inflammatory cytokines are the hallmark features of neuroinflammation. During the development of neuroinflammation, various intracellular signaling pathways are activated or inhibited in microglia, leading to the regulation of inflammatory proteins and cytokines. Numerous attempts have been conducted to alleviate inflammatory pain by inhibiting microglial activation. Natural products and their compounds have gained attention as potential candidates for suppressing inflammatory pain due to verified safety through centuries of use. Many studies have also shown that natural product-derived compounds have the potential to suppress microglial activation and alleviate inflammatory pain. Herein, we review the literature on inflammatory mediators and intracellular signaling involved in microglial activation in inflammatory pain, as well as natural product-derived compounds that have been found to suppress microglial activation. This review suggests that natural product-derived compounds have the potential to alleviate inflammatory pain through the suppression of microglial activation.
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Affiliation(s)
- Joon Park
- Division of Functional Food Research, Korea Food Research Institute, Wanju 55365, Republic of Korea
- Department of Food Biotechnology, Korea University of Science and Technology, Daejeon 34113, Republic of Korea
- Department of Anesthesiology, College of Medicine, The University of Arizona, Tucson, AZ 85724, USA
| | - Changho Lee
- Division of Functional Food Research, Korea Food Research Institute, Wanju 55365, Republic of Korea
| | - Yun Tai Kim
- Division of Functional Food Research, Korea Food Research Institute, Wanju 55365, Republic of Korea
- Department of Food Biotechnology, Korea University of Science and Technology, Daejeon 34113, Republic of Korea
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16
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Jo D, Jung YS, Song J. Lipocalin-2 Secreted by the Liver Regulates Neuronal Cell Function Through AKT-Dependent Signaling in Hepatic Encephalopathy Mouse Model. Clin Nutr Res 2023; 12:154-167. [PMID: 37214781 PMCID: PMC10193436 DOI: 10.7762/cnr.2023.12.2.154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2023] [Revised: 03/17/2023] [Accepted: 03/23/2023] [Indexed: 05/24/2023] Open
Abstract
Hepatic encephalopathy (HE) associated with liver failure is accompanied by hyperammonemia, severe inflammation, depression, anxiety, and memory deficits as well as liver injury. Recent studies have focused on the liver-brain-inflammation axis to identify a therapeutic solution for patients with HE. Lipocalin-2 is an inflammation-related glycoprotein that is secreted by various organs and is involved in cellular mechanisms including iron homeostasis, glucose metabolism, cell death, neurite outgrowth, and neurogenesis. In this study, we investigated that the roles of lipocalin-2 both in the brain cortex of mice with HE and in Neuro-2a (N2A) cells. We detected elevated levels of lipocalin-2 both in the plasma and liver in a bile duct ligation mouse model of HE. We confirmed changes in cytokine expression, such as interleukin-1β, cyclooxygenase 2 expression, and iron metabolism related to gene expression through AKT-mediated signaling both in the brain cortex of mice with HE and N2A cells. Our data showed negative effects of hepatic lipocalin-2 on cell survival, iron homeostasis, and neurite outgrowth in N2A cells. Thus, we suggest that regulation of lipocalin-2 in the brain in HE may be a critical therapeutic approach to alleviate neuropathological problems focused on the liver-brain axis.
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Affiliation(s)
- Danbi Jo
- Department of Anatomy, Chonnam National University Medical School, Hwasun 58128, Korea
- Biomedical Science Graduate Program (BMSGP), Chonnam National University, Hwasun 58128, Korea
| | - Yoon Seok Jung
- Department of Anatomy, Chonnam National University Medical School, Hwasun 58128, Korea
| | - Juhyun Song
- Department of Anatomy, Chonnam National University Medical School, Hwasun 58128, Korea
- Biomedical Science Graduate Program (BMSGP), Chonnam National University, Hwasun 58128, Korea
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17
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Fatoki TH, Chukwuejim S, Udenigwe CC, Aluko RE. In Silico Exploration of Metabolically Active Peptides as Potential Therapeutic Agents against Amyotrophic Lateral Sclerosis. Int J Mol Sci 2023; 24:ijms24065828. [PMID: 36982902 PMCID: PMC10058213 DOI: 10.3390/ijms24065828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/11/2023] [Accepted: 03/15/2023] [Indexed: 03/30/2023] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is regarded as a fatal neurodegenerative disease that is featured by progressive damage of the upper and lower motor neurons. To date, over 45 genes have been found to be connected with ALS pathology. The aim of this work was to computationally identify unique sets of protein hydrolysate peptides that could serve as therapeutic agents against ALS. Computational methods which include target prediction, protein-protein interaction, and peptide-protein molecular docking were used. The results showed that the network of critical ALS-associated genes consists of ATG16L2, SCFD1, VAC15, VEGFA, KEAP1, KIF5A, FIG4, TUBA4A, SIGMAR1, SETX, ANXA11, HNRNPL, NEK1, C9orf72, VCP, RPSA, ATP5B, and SOD1 together with predicted kinases such as AKT1, CDK4, DNAPK, MAPK14, and ERK2 in addition to transcription factors such as MYC, RELA, ZMIZ1, EGR1, TRIM28, and FOXA2. The identified molecular targets of the peptides that support multi-metabolic components in ALS pathogenesis include cyclooxygenase-2, angiotensin I-converting enzyme, dipeptidyl peptidase IV, X-linked inhibitor of apoptosis protein 3, and endothelin receptor ET-A. Overall, the results showed that AGL, APL, AVK, IIW, PVI, and VAY peptides are promising candidates for further study. Future work would be needed to validate the therapeutic properties of these hydrolysate peptides by in vitro and in vivo approaches.
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Affiliation(s)
| | - Stanley Chukwuejim
- Department of Biochemistry, Federal University Oye-Ekiti, PMB 373, Oye 371104, Nigeria
- Department of Food and Human Nutritional Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
| | - Chibuike C Udenigwe
- Faculty of Health Sciences, School of Nutrition Sciences, University of Ottawa, Ottawa, ON K1H 8M5, Canada
- Department of Chemistry and Biomolecular Sciences, Faculty of Science, University of Ottawa, Ottawa, ON K1N 6N5, Canada
| | - Rotimi E Aluko
- Department of Food and Human Nutritional Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
- Richardson Centre for Food Technology and Research, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
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18
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Morita M, Watanabe S, Nomura N, Takano-Matsuzaki K, Oyama M, Iwai T, Tanabe M. Sulfatide-selectin signaling in the spinal cord induces mechanical allodynia. J Neurochem 2023; 164:658-670. [PMID: 36528843 DOI: 10.1111/jnc.15743] [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: 06/14/2022] [Revised: 11/08/2022] [Accepted: 11/28/2022] [Indexed: 12/23/2022]
Abstract
Sulfatide is a sulfated glycosphingolipid that is present abundantly in myelin sheaths of the brain and spinal cord. It is synthesized by a cerebroside sulfotransferase encoded by Gal3st1, which catalyzes the transfer of sulfate from 3'-phosphoadenylylsulfate to galactosylceramide. We previously reported that Gal3st1 gene expression in the spinal cord is up-regulated 1 day after intraplantar injection of complete Freund's adjuvant (CFA), indicating that sulfatide is involved in inflammatory pain. In the present study, we found that intrathecal injection of sulfatide led to mechanical allodynia. Sulfatide caused levels of glial fibrillary acidic protein (GFAP) and nitric oxide in the spinal cord to increase. Mechanical allodynia induced by intrathecal injection of sulfatide was blocked by nitric oxide synthase inhibitors and by suppression of astrocyte activation by L-α-aminoadipate. These results suggest that sulfatide-induced mechanical allodynia involved glial activation and nitric oxide production. Blocking selectin, a sulfatide-binding protein, with bimosiamose attenuated sulfatide-induced allodynia and ameliorated CFA-induced mechanical allodynia during inflammatory pain. Finally, elevated levels of sulfatide concentration in the spinal cord were observed during CFA-induced inflammatory pain. The elevated sulfatide levels enhanced selectin activation in the spinal cord, resulting in mechanical allodynia. Our data suggest that sulfatide-selectin interaction plays a key role in inflammatory pain.
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Affiliation(s)
- Motoki Morita
- Laboratory of Pharmacology, School of Pharmaceutical Sciences, Kitasato University, Tokyo, Japan.,Medicinal Research Laboratories, School of Pharmacy, Kitasato University, Tokyo, Japan
| | - Shun Watanabe
- Laboratory of Pharmacology, School of Pharmaceutical Sciences, Kitasato University, Tokyo, Japan.,Medicinal Research Laboratories, School of Pharmacy, Kitasato University, Tokyo, Japan
| | - Natsumi Nomura
- Laboratory of Pharmacology, School of Pharmaceutical Sciences, Kitasato University, Tokyo, Japan.,Medicinal Research Laboratories, School of Pharmacy, Kitasato University, Tokyo, Japan
| | - Kanako Takano-Matsuzaki
- Laboratory of Pharmacology, School of Pharmaceutical Sciences, Kitasato University, Tokyo, Japan.,Medicinal Research Laboratories, School of Pharmacy, Kitasato University, Tokyo, Japan
| | - Misa Oyama
- Laboratory of Pharmacology, School of Pharmaceutical Sciences, Kitasato University, Tokyo, Japan.,Medicinal Research Laboratories, School of Pharmacy, Kitasato University, Tokyo, Japan
| | - Takashi Iwai
- Laboratory of Pharmacology, School of Pharmaceutical Sciences, Kitasato University, Tokyo, Japan.,Medicinal Research Laboratories, School of Pharmacy, Kitasato University, Tokyo, Japan
| | - Mitsuo Tanabe
- Laboratory of Pharmacology, School of Pharmaceutical Sciences, Kitasato University, Tokyo, Japan.,Medicinal Research Laboratories, School of Pharmacy, Kitasato University, Tokyo, Japan
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19
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Di Maio G, Villano I, Ilardi CR, Messina A, Monda V, Iodice AC, Porro C, Panaro MA, Chieffi S, Messina G, Monda M, La Marra M. Mechanisms of Transmission and Processing of Pain: A Narrative Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:3064. [PMID: 36833753 PMCID: PMC9964506 DOI: 10.3390/ijerph20043064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 01/27/2023] [Accepted: 02/07/2023] [Indexed: 06/18/2023]
Abstract
Knowledge about the mechanisms of transmission and the processing of nociceptive information, both in healthy and pathological states, has greatly expanded in recent years. This rapid progress is due to a multidisciplinary approach involving the simultaneous use of different branches of study, such as systems neurobiology, behavioral analysis, genetics, and cell and molecular techniques. This narrative review aims to clarify the mechanisms of transmission and the processing of pain while also taking into account the characteristics and properties of nociceptors and how the immune system influences pain perception. Moreover, several important aspects of this crucial theme of human life will be discussed. Nociceptor neurons and the immune system play a key role in pain and inflammation. The interactions between the immune system and nociceptors occur within peripheral sites of injury and the central nervous system. The modulation of nociceptor activity or chemical mediators may provide promising novel approaches to the treatment of pain and chronic inflammatory disease. The sensory nervous system is fundamental in the modulation of the host's protective response, and understanding its interactions is pivotal in the process of revealing new strategies for the treatment of pain.
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Affiliation(s)
- Girolamo Di Maio
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
| | - Ines Villano
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
| | - Ciro Rosario Ilardi
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
- Department of Psychology, University of Campania “Luigi Vanvitelli”, 81100 Caserta, Italy
| | - Antonietta Messina
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
| | - Vincenzo Monda
- Department of Movement Sciences and Wellbeing, University of Naples “Parthenope”, 80133 Naples, Italy
| | - Ashlei Clara Iodice
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
| | - Chiara Porro
- Department of Clinical and Experimental Medicine, University of Foggia, Viale Pinto, 71100 Foggia, Italy
| | - Maria Antonietta Panaro
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari, 70125 Bari, Italy
| | - Sergio Chieffi
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
| | - Giovanni Messina
- Department of Clinical and Experimental Medicine, University of Foggia, Viale Pinto, 71100 Foggia, Italy
| | - Marcellino Monda
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
| | - Marco La Marra
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
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20
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Ferreyra S, González S. Therapeutic potential of progesterone in spinal cord injury-induced neuropathic pain: At the crossroads between neuroinflammation and N-methyl-D-aspartate receptor. J Neuroendocrinol 2023; 35:e13181. [PMID: 35924434 DOI: 10.1111/jne.13181] [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: 04/27/2022] [Revised: 06/13/2022] [Accepted: 06/19/2022] [Indexed: 10/17/2022]
Abstract
In recent decades, an area of active research has supported the notion that progesterone promotes a wide range of remarkable protective actions in experimental models of nervous system trauma or disease, and has also provided a strong basis for considering this steroid as a promising molecule for modulating the complex maladaptive changes that lead to neuropathic pain, especially after spinal cord injury. In this review, we intend to give the readers a brief appraisal of the main mechanisms underlying the increased excitability of the spinal circuit in the pain pathway after trauma, with particular emphasis on those mediated by the activation of resident glial cells, the subsequent release of proinflammatory cytokines and their impact on N-methyl-D-aspartate receptor function. We then summarize the available preclinical data pointing to progesterone as a valuable repurposing molecule for blocking critical cellular and molecular events that occur in the dorsal horn of the injured spinal cord and are related to the development of chronic pain. Since the treatment and management of neuropathic pain after spinal injury remains challenging, the potential therapeutic value of progesterone opens new traslational perspectives to prevent central pain.
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Affiliation(s)
- Sol Ferreyra
- Instituto de Biología y Medicina Experimental, Laboratorio de Nocicepción y Dolor Neuropático, CONICET, Buenos Aires, Argentina
| | - Susana González
- Instituto de Biología y Medicina Experimental, Laboratorio de Nocicepción y Dolor Neuropático, CONICET, Buenos Aires, Argentina
- Universidad de Buenos Aires, Facultad de Medicina, Departamento de Bioquímica Humana, Buenos Aires, Argentina
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21
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Ji RR. Specialized Pro-Resolving Mediators as Resolution Pharmacology for the Control of Pain and Itch. Annu Rev Pharmacol Toxicol 2023; 63:273-293. [PMID: 36100219 DOI: 10.1146/annurev-pharmtox-051921-084047] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Specialized pro-resolving mediators (SPMs), including resolvins, protectins, and maresins, are endogenous lipid mediators that are synthesized from omega-3 polyunsaturated fatty acids during the acute phase or resolution phase of inflammation. Synthetic SPMs possess broad safety profiles and exhibit potent actions in resolving inflammation in preclinical models. Accumulating evidence in the past decade has demonstrated powerful analgesia of exogenous SPMs in rodent models of inflammatory, neuropathic, and cancer pain. Furthermore, endogenous SPMs are produced by sham surgery and neuromodulation (e.g., vagus nerve stimulation). SPMs produce their beneficial actions through multiple G protein-coupled receptors, expressed by immune cells, glial cells, and neurons. Notably, loss of SPM receptors impairs the resolution of pain. I also highlight the emerging role of SPMs in the control of itch. Pharmacological targeting of SPMs or SPM receptors has the potential to lead to novel therapeutics for pain and itch as emerging approaches in resolution pharmacology.
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Affiliation(s)
- Ru-Rong Ji
- Center for Translational Pain Medicine, Department of Anesthesiology, and Departments of Neurobiology and Cell Biology, Duke University Medical Center, Durham, North Carolina, USA;
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22
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Millet A, Jendzjowsky N. Pathogen recognition by sensory neurons: hypotheses on the specificity of sensory neuron signaling. Front Immunol 2023; 14:1184000. [PMID: 37207232 PMCID: PMC10189129 DOI: 10.3389/fimmu.2023.1184000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 04/19/2023] [Indexed: 05/21/2023] Open
Abstract
Sensory neurons cooperate with barrier tissues and resident immune cells to form a significant aspect of defensive strategies in concert with the immune system. This assembly of neuroimmune cellular units is exemplified across evolution from early metazoans to mammalian life. As such, sensory neurons possess the capability to detect pathogenic infiltrates at barrier surfaces. This capacity relies on mechanisms that unleash specific cell signaling, trafficking and defensive reflexes. These pathways exploit mechanisms to amplify and enhance the alerting response should pathogenic infiltration seep into other tissue compartments and/or systemic circulation. Here we explore two hypotheses: 1) that sensory neurons' potential cellular signaling pathways require the interaction of pathogen recognition receptors and ion channels specific to sensory neurons and; 2) mechanisms which amplify these sensing pathways require activation of multiple sensory neuron sites. Where possible, we provide references to other apt reviews which provide the reader more detail on specific aspects of the perspectives provided here.
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Affiliation(s)
- Antoine Millet
- Respiratory & Exercise Physiology, The Lundquist Institute for Biomedical Innovation at Harbor University of California Los Angeles (UCLA) Medical Center, Torrance, CA, United States
| | - Nicholas Jendzjowsky
- Respiratory & Exercise Physiology, The Lundquist Institute for Biomedical Innovation at Harbor University of California Los Angeles (UCLA) Medical Center, Torrance, CA, United States
- Division of Respiratory and Critical Care Medicine and Physiology, David Geffen School of Medicine, University of California Los Angeles (UCLA), Los Angeles, CA, United States
- *Correspondence: Nicholas Jendzjowsky,
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23
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Li M, Zhang K, Li T, Chen Y, Zang H, Hu Y, Yao W. Sciatic Nerve Block Combined with Flurbiprofen Inhibits Spinal Cord Inflammation and Improves Postoperative Pain in Rats with Plantar Incision. J Pain Res 2023; 16:1533-1546. [PMID: 37193359 PMCID: PMC10182802 DOI: 10.2147/jpr.s404226] [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: 01/31/2023] [Accepted: 04/28/2023] [Indexed: 05/18/2023] Open
Abstract
Background and Purpose Peripheral nerve block is often used to relieve postoperative pain. But the effect of nerve block on inflammatory response is not fully understood. Spinal cord is the primary center of pain processing. This study is to investigate the effect of single sciatic nerve block on the inflammatory response of the spinal cord in rats with plantar incision and the combined effect with flurbiprofen. Methods The plantar incision was used to establish a postoperative pain model. Single sciatic nerve block, intravenous flurbiprofen or the combination of both were used for intervention. The sensory and motor functions after nerve block and incision were evaluated. The changes of IL-1β, IL-6, TNF-α, microglia and astrocytes in the spinal cord were examined by qPCR and immunofluorescence respectively. Results Sciatic nerve block with 0.5% ropivacaine in rats induced sensory block for 2h and motor block for 1.5h. In the rats with plantar incision, the single sciatic nerve block did not alleviate postoperative pain or inhibit the activation of spinal microglia and astrocytes, but the levels of IL-1β and IL-6 in spinal cord were decreased when the nerve block wore off. The combined effect of a single sciatic nerve block and intravenous flurbiprofen not only decreased the levels of IL-1β, IL-6, and TNF-α, but also relieved the pain and alleviated the activation of microglia and astrocytes. Conclusion The single sciatic nerve block cannot improve postoperative pain or inhibit the activation of spinal cord glial cells, but can reduce the expression of spinal inflammatory factors. Nerve block combined with flurbiprofen can inhibit spinal cord inflammation and improve postoperative pain. This study provides a reference for rational clinical application of nerve block.
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Affiliation(s)
- Meihong Li
- Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, and Wuhan Clinical Research Center for Geriatric Anesthesia, Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People’s Republic of China
| | - Kaiwen Zhang
- Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, and Wuhan Clinical Research Center for Geriatric Anesthesia, Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People’s Republic of China
| | - Ting Li
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, 200032, People’s Republic of China
| | - Yuye Chen
- Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, and Wuhan Clinical Research Center for Geriatric Anesthesia, Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People’s Republic of China
| | - Hu Zang
- Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, and Wuhan Clinical Research Center for Geriatric Anesthesia, Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People’s Republic of China
| | - Yingjie Hu
- Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, and Wuhan Clinical Research Center for Geriatric Anesthesia, Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People’s Republic of China
| | - Wenlong Yao
- Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, and Wuhan Clinical Research Center for Geriatric Anesthesia, Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People’s Republic of China
- Correspondence: Wenlong Yao, Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, and Wuhan Clinical Research Center for Geriatric Anesthesia, Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People’s Republic of China, Tel +86 13720271159, Email
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24
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Agarwal N, Nelson M, Mishra S, Agarwal P, Sharma D. Effectiveness of adhesive taping to reduce pain, swelling and trismus after fracture mandible surgery. Trop Doct 2023; 53:121-124. [PMID: 36423249 DOI: 10.1177/00494755221140623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Swelling, pain and trismus constitute the major post-operative morbidity after surgery for mandibular fractures. We assessed the role of kinesio taping in mitigating these. Two groups of 15 patients were compared; those who had such applied to the side of the fracture and a control group of those who did not. Pain, swelling and trismus were assessed pre-operatively, and on the second, third and fifth post-operative days, and found to be significantly less in the study group. This simple technique is therefore effective. It is a simple frugal intervention without any side effects.
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Affiliation(s)
- Namrata Agarwal
- Resident, 534313Department of Surgery, NSCB Government Medical College, Jabalpur, MP, India
| | - Meenal Nelson
- Resident, 534313Department of Surgery, NSCB Government Medical College, Jabalpur, MP, India
| | - Shrivats Mishra
- Resident, 534313Department of Surgery, NSCB Government Medical College, Jabalpur, MP, India
| | - Pawan Agarwal
- Professor and in Charge, Plastic Surgery Unit, 534313Department of Surgery, NSCB Government Medical College, Jabalpur, MP, India
| | - Dhananjaya Sharma
- Professor and Head, 534313Department of Surgery, NSCB Government Medical College, Jabalpur, MP, India
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25
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Zhang L, Li X, Feng X, Berkman T, Ma R, Du S, Wu S, Huang C, Amponsah A, Bekker A, Tao YX. E74-like factor 1 contributes to nerve trauma-induced nociceptive hypersensitivity through transcriptionally activating matrix metalloprotein-9 in dorsal root ganglion neurons. Pain 2023; 164:119-131. [PMID: 35507368 PMCID: PMC9633582 DOI: 10.1097/j.pain.0000000000002673] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 04/20/2022] [Indexed: 01/09/2023]
Abstract
ABSTRACT Nerve trauma-induced alternations of gene expression in the neurons of dorsal root ganglion (DRG) participate in nerve trauma-caused nociceptive hypersensitivity. Transcription factors regulate gene expression. Whether the transcription factor E74-like factor 1 (ELF1) in the DRG contributes to neuropathic pain is unknown. We report here that peripheral nerve trauma caused by chronic constriction injury (CCI) of unilateral sciatic nerve or unilateral fourth lumbar spinal nerve ligation led to the time-dependent increases in the levels of Elf1 mRNA and ELF1 protein in injured DRG, but not in the spinal cord. Preventing this increase through DRG microinjection of adeno-associated virus 5 expressing Elf1 shRNA attenuated the CCI-induced upregulation of matrix metallopeptidase 9 (MMP9) in injured DRG and induction and maintenance of nociceptive hypersensitivities, without changing locomotor functions and basal responses to acute mechanical, heat, and cold stimuli. Mimicking this increase through DRG microinjection of AAV5 expressing full-length Elf1 upregulated DRG MMP9 and produced enhanced responses to mechanical, heat, and cold stimuli in naive mice. Mechanistically, more ELF1 directly bond to and activated Mmp9 promoter in injured DRG neurons after CCI. Our data indicate that ELF1 participates in nerve trauma-caused nociceptive hypersensitivity likely through upregulating MMP9 in injured DRG. E74-like factor 1 may be a new target for management of neuropathic pain.
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Affiliation(s)
- Luyao Zhang
- Department of Anesthesiology, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ 07103, USA
| | - Xiang Li
- Department of Anesthesiology, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ 07103, USA
| | - Xiaozhou Feng
- Department of Anesthesiology, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ 07103, USA
| | - Tolga Berkman
- Department of Anesthesiology, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ 07103, USA
| | - Ruining Ma
- Department of Anesthesiology, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ 07103, USA
| | - Shibin Du
- Department of Anesthesiology, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ 07103, USA
| | - Shaogen Wu
- Department of Anesthesiology, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ 07103, USA
| | - Congcong Huang
- Department of Anesthesiology, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ 07103, USA
| | - Akwasi Amponsah
- Department of Anesthesiology, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ 07103, USA
| | - Alex Bekker
- Department of Anesthesiology, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ 07103, USA
| | - Yuan-Xiang Tao
- Department of Anesthesiology, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ 07103, USA
- Departments of Cell Biology & Molecular Medicine and Physiology, Pharmacology & Neuroscience, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ 07103, USA
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26
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Kourbanova K, Alexandre C, Latremoliere A. Effect of sleep loss on pain-New conceptual and mechanistic avenues. Front Neurosci 2022; 16:1009902. [PMID: 36605555 PMCID: PMC9807925 DOI: 10.3389/fnins.2022.1009902] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 11/29/2022] [Indexed: 12/24/2022] Open
Abstract
Introduction Sleep disturbances increase pain sensitivity in clinical and preclinical settings, but the precise mechanisms are unknown. This represents a major public health issue because of the growing sleep deficiency epidemic fueled by modern lifestyle. To understand the neural pathways at the intersection between sleep and pain processes, it is critical to determine the precise nature of the sleep disruptions that increase pain and the specific component of the pain response that is targeted. Methods We performed a review of the literature about sleep disturbances and pain sensitivity in humans and rodents by taking into consideration the targeted sleep stage (REMS, non-NREMS, or both), the amount of sleep lost, and the different types of sleep disruptions (partial or total sleep loss, duration, sleep fragmentation or interruptions), and how these differences might affect distinct components of the pain response. Results We find that the effects of sleep disturbances on pain are highly conserved among species. The major driver for pain hypersensitivity appears to be the total amount of sleep lost, while REMS loss by itself does not seem to have a direct effect on pain sensitivity. Sleep loss caused by extended wakefulness preferentially increases pain perception, whereas interrupted and limited sleep strongly dysregulates descending controls such as DNIC, especially in women. Discussion We discuss the possible mechanisms involved, including an increase in inflammatory processes, a loss of nociceptive inhibitory pathways, and a defect in the cognitive processing of noxious input.
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Affiliation(s)
- Kamila Kourbanova
- Department of Neurosurgery, Neurosurgery Pain Research Institute, Johns Hopkins School of Medicine, Baltimore, MD, United States,Department of Neuroscience, Johns Hopkins School of Medicine, Baltimore, MD, United States
| | - Chloe Alexandre
- Department of Neurosurgery, Neurosurgery Pain Research Institute, Johns Hopkins School of Medicine, Baltimore, MD, United States,Department of Neuroscience, Johns Hopkins School of Medicine, Baltimore, MD, United States,Chloe Alexandre
| | - Alban Latremoliere
- Department of Neurosurgery, Neurosurgery Pain Research Institute, Johns Hopkins School of Medicine, Baltimore, MD, United States,Department of Neuroscience, Johns Hopkins School of Medicine, Baltimore, MD, United States,*Correspondence: Alban Latremoliere
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27
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Blichfeldt-Eckhardt MR, Olsen DA, Andersen RF, Toft P, Bendix L. Elevated Levels of PGE2-Metabolite in Cerebrospinal Fluid and Cox-2 Gene Polymorphisms in Patients with Chronic, Post Cholecystectomy Pain and Visceral Hyperalgesia Compared to Healthy Controls. A Hypothesis-Generating Pilot Study. J Pain Res 2022; 15:3921-3929. [PMID: 36540575 PMCID: PMC9760037 DOI: 10.2147/jpr.s387502] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Accepted: 11/03/2022] [Indexed: 01/18/2024] Open
Abstract
PURPOSE Chronic, abdominal pain remains a problem in a subset of patients after cholecystectomy. The cause is often obscure but central sensitization may be an important component and could theoretically be mediated by spinal PGE2, which is regulated by several cytokines. The aim of the study was to examine cerebrospinal fluid (CSF) of participants with post cholecystectomy syndrome and healthy volunteers for signs of PGE2 and cytokine mediated central sensitization. PATIENTS AND METHODS In phase 1 of the study, 83 subjects were included for DNA analysis, eight of these subjects with post cholecystectomy syndrome. We examined the SNPs rs5275, rs16944 and rs1800795 from the Cox-2, IL-1β and IL-6 genes respectively. In phase 2 of the study, we examined concentrations of PGE2-metabolite (PGEM), IL-1β and IL-6 in CSF and plasma from 6 patients with post cholecystectomy syndrome and visceral hyperalgesia and 11 pain free volunteers. RESULTS We found a significant difference in distribution of the rs5275 SNP of the Cox-2 enzyme (CT-genotype=88% in pain group, 45% in pain free group, TT-genotype=0 in pain group, 41% in pain free group, p=0.05) but not in the other SNPs. PGEM, but not IL-6, was significantly elevated in CSF of the pain group (3.6 pg/mL, sd=1.9 vs 2.1 pg/mL, p=0.03), IL-1β was undetectable. CONCLUSION We found elevated PGEM levels in CSF of patients with post cholecystectomy syndrome and visceral hyperalgesia, suggesting a central, possibly inflammatory component to the pain, and overrepresentation of the CT-genotype in the rs5275 SNP in the Cox2 gene, suggesting overexpression of Cox2 as a possible cause for elevated PGEM levels.
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Affiliation(s)
- Morten Rune Blichfeldt-Eckhardt
- Department of Anesthesiology, Vejle Hospital, Vejle, Denmark
- Multidiciplinary Pain Center of Southern Denmark, Department of Anesthesiology and Intensive Care, Odense University Hospital, Odense, Denmark
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Dorte Aalund Olsen
- Department of Biochemistry and Immunology, Vejle Hospital, Vejle, Denmark
| | | | - Palle Toft
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark
- Department of Anesthesiology and Intensive Care, Odense University Hospital, Odense, Denmark
| | - Laila Bendix
- Multidiciplinary Pain Center of Southern Denmark, Department of Anesthesiology and Intensive Care, Odense University Hospital, Odense, Denmark
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28
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Yuan S, Chen J, Feng S, Li M, Sun Y, Liu Y. Combination anesthetic therapy: co-delivery of ropivacaine and meloxicam using transcriptional transactivator peptide modified nanostructured lipid carriers in vitro and in vivo. Drug Deliv 2022; 29:263-269. [PMID: 35014916 PMCID: PMC8757603 DOI: 10.1080/10717544.2021.2023695] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 12/16/2021] [Accepted: 12/20/2021] [Indexed: 11/10/2022] Open
Abstract
Combination therapy combining two drugs in one modified drug delivery system is used to achieve synergistic analgesic effect, and bring effective control of pain management, especially postoperative pain management. In the present study, a combination of drug delivery technologies was utilized. Transcriptional transactivator (TAT) peptide modified, transdermal nanocarriers were designed to co-deliver ropivacaine (RVC) and meloxicam (MLX) and anticipated to achieve longer analgesic effect and lower side effect. TAT modified nanostructured lipid carriers (TAT-NLCs) were used to co-deliver RVC and MLX. RVC and MLX co-loaded TAT-NLCs (TAT-NLCs-RVC/MLX) were evaluated through in vitro skin permeation and in vivo treatment studies. NLCs-RVC/MLX showed uniform and spherical morphology, with a size of 133.4 ± 4.6 nm and a zeta potential of 20.6 ± 1.8 mV. The results illustrated the anesthetic pain relief ability of the present constructed system was significantly improved by the TAT modification through the enhanced skin permeation efficiency and the co-delivery of MLX along with RVC that improved pain management by reducing inflammation at the injured area. This study provides an efficient and facile method for preparing TAT-NLCs-RVC/MLX as a promising system to achieve synergistic analgesic effect.
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Affiliation(s)
- Shu Yuan
- Department of Anesthesiology, Weifang Medical University, Weifang, China
| | - Jun Chen
- Department of Anesthesiology, Weifang Medical University, Weifang, China
| | - Shuo Feng
- Department of Gynecology, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Min Li
- Department of Anesthesiology, Weifang Medical University, Weifang, China
| | - Yingui Sun
- Department of Anesthesiology, Weifang Medical University, Weifang, China
| | - Yuzhen Liu
- Department of Gynecology, Affiliated Hospital of Weifang Medical University, Weifang, China
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29
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Peng Z, Yang F, Huang S, Tang Y, Wan L. Targeting Vascular endothelial growth factor A with soluble vascular endothelial growth factor receptor 1 ameliorates nerve injury-induced neuropathic pain. Mol Pain 2022; 18:17448069221094528. [PMID: 35354377 PMCID: PMC9706061 DOI: 10.1177/17448069221094528] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Neuropathic pain is a distressing medical condition with few effective treatments. The role of Vascular endothelial growth factor A (VEGFA) in inflammation pain has been confirmed in many researches. However, the mechanism of VEGFA affects neuropathic pain remains unclear. In this study, we demonstrated that VEGFA plays an important role in spare nerve injury (SNI)-induced neuropathic pain, which is mediated by enhanced expression and colocalized of VEGFA, p-AKT and TRPV1 in SNI-induced neuropathic pain model. Soluble VEGFR1 (sFlt1) not only relieved mechanical hyperalgesia and the expression of inflammatory markers, but ameliorated the expression of VEGFA, VEGFR2, p-AKT, and TRPV1 in spinal cord. However, these effects of sFlt1 can be blocked by rpVEGFA and by 740 Y-P. Therefore, our study indication that targeting VEGFA with sFlt1 reduces neuropathic pain development via the AKT/TRPV1 pathway in SNI-induced nerve injury. This study elucidates a new therapeutic target for neuropathic pain.
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Affiliation(s)
- Zhe Peng
- Department of Pain Medicine, The
State Key Clinical Specialty in Pain Medicine, The Second Affiliated Hospital,
Guangzhou
Medical University, Guangzhou, P.R.
China,Stem Cell Translational Medicine
Center, The Second Affiliated Hospital, Guangzhou Medical
University, Guangzhou, P. R. of China
| | - Fan Yang
- Department of Pain Medicine, The
State Key Clinical Specialty in Pain Medicine, The Second Affiliated Hospital,
Guangzhou
Medical University, Guangzhou, P.R.
China,Stem Cell Translational Medicine
Center, The Second Affiliated Hospital, Guangzhou Medical
University, Guangzhou, P. R. of China
| | - Siting Huang
- Department of Pain Medicine, The
State Key Clinical Specialty in Pain Medicine, The Second Affiliated Hospital,
Guangzhou
Medical University, Guangzhou, P.R.
China
| | - Yang Tang
- Department of Pain Medicine, The
State Key Clinical Specialty in Pain Medicine, The Second Affiliated Hospital,
Guangzhou
Medical University, Guangzhou, P.R.
China,Stem Cell Translational Medicine
Center, The Second Affiliated Hospital, Guangzhou Medical
University, Guangzhou, P. R. of China
| | - Li Wan
- Department of Pain Medicine, The
State Key Clinical Specialty in Pain Medicine, The Second Affiliated Hospital,
Guangzhou
Medical University, Guangzhou, P.R.
China,Stem Cell Translational Medicine
Center, The Second Affiliated Hospital, Guangzhou Medical
University, Guangzhou, P. R. of China,Li Wan, Department of Pain management, The
Second Affiliated Hospital, Guangzhou Medical University, 250 Changgang Dong Lu,
Guangzhou 510260, P.R. China.
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Park HJ, Jang TW, Han SY, Oh SS, Lee JB, Myoung SM, Park JH. Anti‑inflammatory effects of Nypa fruticans Wurmb via NF‑κB and MAPK signaling pathways in macrophages. Exp Ther Med 2022; 24:755. [PMID: 36545046 PMCID: PMC9751521 DOI: 10.3892/etm.2022.11690] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 10/20/2022] [Indexed: 11/11/2022] Open
Abstract
The inflammatory defense response of macrophages is a natural protective reaction in the immune system. Antioxidant and anti-inflammatory activities are closely related. In addition, the cell signaling pathway regulating inflammation is associated with MAPK and NF-κB signaling pathway phosphorylation. The present study aimed to evaluate whether the ethyl acetate fraction from N. fruticans (ENF) has a modulatory role in the MAPK signaling pathway and inhibition of the IκB/NF-κB signaling pathways, including translocation of NF-κB p65. Antioxidant and anti-inflammatory activities are closely related. In addition, the cell signaling pathway regulating inflammation is associated with MAPK and NF-κB signaling pathway phosphorylation. The results revealed that ENF exhibited antioxidant capacity, attenuated the cytokine levels and blocked nitric oxide production. ENF downregulated cyclooxygenase-2 and inducible nitric oxide synthase expression. We hypothesized that ENF treatment alleviated the various proinflammatory mediators via IκB phosphorylation and transcription of NF-κB compared with the untreated control. In conclusion, the present study demonstrated that the inhibitory effect of ENF treatment was attributed to the inhibition of MAPK and Akt/IκB/NF-κB signaling pathways.
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Affiliation(s)
- Hye Jeong Park
- Department of Medicinal Plant Science, Jungwon University, Goesan-gun, Chungcheongbuk-do 28024, Republic of Korea
| | - Tae Won Jang
- Department of Pharmaceutical Science, Jungwon University, Goesan-gun, Chungcheongbuk-do 28024, Republic of Korea
| | - So Yeon Han
- Department of Medicinal Plant Science, Jungwon University, Goesan-gun, Chungcheongbuk-do 28024, Republic of Korea
| | - Song Soo Oh
- Research Center, Kiposs Co., Ltd., Seoul 08584, Republic of Korea
| | - Jung Bok Lee
- Kyochon Research & Innovation Center, Kyochon F&B, Jincheon-gun, Chungcheongbuk-do 27850, Republic of Korea
| | - Sung Min Myoung
- Department of Public Health Administration, Jungwon University, Goesan-gun, Chungcheongbuk-do 28024, Republic of Korea
| | - Jae Ho Park
- Department of Pharmaceutical Science, Jungwon University, Goesan-gun, Chungcheongbuk-do 28024, Republic of Korea,Correspondence to: Professor Jae Ho Park, Department of Pharmaceutical Science, Jungwon University, 85 Munmu-ro, Goesan, Chungcheongbuk-do 28024, Republic of Korea
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Proinflammatory cytokines and their receptors as druggable targets to alleviate pathological pain. Pain 2022; 163:S79-S98. [DOI: 10.1097/j.pain.0000000000002737] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 07/14/2022] [Indexed: 02/07/2023]
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Lauritano A, Cipollone I, Verde R, Kalkan H, Moriello C, Iannotti FA, Di Marzo V, Piscitelli F. The endocannabinoidome mediator N-oleoylglycine is a novel protective agent against 1-methyl-4-phenyl-pyridinium-induced neurotoxicity. Front Aging Neurosci 2022; 14:926634. [PMID: 36313013 PMCID: PMC9614236 DOI: 10.3389/fnagi.2022.926634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Accepted: 09/07/2022] [Indexed: 11/19/2022] Open
Abstract
N-oleoylglycine (OlGly) is a lipid mediator that belongs to the expanded version of the endocannabinoid (eCB) system, the endocannabinoidome (eCBome), which has recently gained increasing attention from the scientific community for its protective effects in a mouse model of mild traumatic brain injury. However, the effects of OlGly on cellular models of Parkinson’s disease (PD) have not yet been investigated, whilst other lipoaminoacids have been reported to have beneficial effects. Moreover, the protective effects of OlGly seem to be mediated by direct activation of proliferator-activated receptor alpha (PPARα), which has already been investigated as a therapeutic target for PD. Therefore, this study aims to investigate the possible protective effects of OlGly in an in vitro model obtained by treating the neuroblastoma cell line, SH-SY5Y (both differentiated and not) with 1-methyl-4-phenyl-pyridinium (MPP+), which mimics some cellular aspects of a PD-like phenotype, in the presence or absence of the PPARα antagonist, GW6471. Our data show that MPP+ increases mRNA levels of PPARα in both non differentiated and differentiated cells. Using assays to assess cell metabolic activity, cell proliferation, and pro-inflammatory markers, we observed that OlGly (1 nM), both as treatment (1 h) and pre-treatment (4 h), is able to protect against neuronal damage induced by 24 h MPP+ exposure through PPARα. Moreover, using a targeted lipidomics approach, we demonstrate that OlGly exerts its effects also through the modulation of the eCBome. Finally, treatment with OlGly was able also to reduce increased IL-1β induced by MPP+ in differentiated cells. In conclusion, our results suggest that OlGly could be a promising therapeutic agent for the treatment of MPP+-induced neurotoxicity.
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Affiliation(s)
- Anna Lauritano
- Endocannabinoid Research Group, Institute of Biomolecular Chemistry (ICB), National Research Council (CNR), Pozzuoli, NA, Italy
| | - Irene Cipollone
- Endocannabinoid Research Group, Institute of Biomolecular Chemistry (ICB), National Research Council (CNR), Pozzuoli, NA, Italy
| | - Roberta Verde
- Endocannabinoid Research Group, Institute of Biomolecular Chemistry (ICB), National Research Council (CNR), Pozzuoli, NA, Italy
| | - Hilal Kalkan
- Endocannabinoid Research Group, Institute of Biomolecular Chemistry (ICB), National Research Council (CNR), Pozzuoli, NA, Italy
| | - Claudia Moriello
- Endocannabinoid Research Group, Institute of Biomolecular Chemistry (ICB), National Research Council (CNR), Pozzuoli, NA, Italy
| | - Fabio Arturo Iannotti
- Endocannabinoid Research Group, Institute of Biomolecular Chemistry (ICB), National Research Council (CNR), Pozzuoli, NA, Italy
| | - Vincenzo Di Marzo
- Endocannabinoid Research Group, Institute of Biomolecular Chemistry (ICB), National Research Council (CNR), Pozzuoli, NA, Italy
- Institut Universitaire de Cardiologie et de Pneumologie de Québec, Université Laval, Québec City, QC, Canada
- Institut sur la Nutrition et les Aliments Fonctionnels, Centre NUTRISS, Université Laval, Québec City, QC, Canada
- *Correspondence: Vincenzo Di Marzo,
| | - Fabiana Piscitelli
- Endocannabinoid Research Group, Institute of Biomolecular Chemistry (ICB), National Research Council (CNR), Pozzuoli, NA, Italy
- Fabiana Piscitelli,
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Jiang B, Ding T, Guo C, Bai X, Cao D, Wu X, Sha W, Jiang M, Wu L, Gao Y. NFAT1 Orchestrates Spinal Microglial Transcription and Promotes Microglial Proliferation via c-MYC Contributing to Nerve Injury-Induced Neuropathic Pain. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2201300. [PMID: 35892263 PMCID: PMC9507349 DOI: 10.1002/advs.202201300] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Revised: 06/17/2022] [Indexed: 05/17/2023]
Abstract
Peripheral nerve injury-induced spinal microglial proliferation plays a pivotal role in neuropathic pain. So far, key intracellular druggable molecules involved in this process are not identified. The nuclear factor of activated T-cells (NFAT1) is a master regulator of immune cell proliferation. Whether and how NFAT1 modulates spinal microglial proliferation during neuropathic pain remain unknown. Here it is reported that NFAT1 is persistently upregulated in microglia after spinal nerve ligation (SNL), which is regulated by TET2-mediated DNA demethylation. Global or microglia-specific deletion of Nfat1 attenuates SNL-induced pain and decreases excitatory synaptic transmission of lamina II neurons. Furthermore, deletion of Nfat1 decreases microglial proliferation and the expression of multiple microglia-related genes, such as cytokines, transmembrane signaling receptors, and transcription factors. Particularly, SNL increases the binding of NFAT1 with the promoter of Itgam, Tnf, Il-1b, and c-Myc in the spinal cord. Microglia-specific overexpression of c-MYC induces pain hypersensitivity and microglial proliferation. Finally, inhibiting NFAT1 and c-MYC by intrathecal injection of inhibitor or siRNA alleviates SNL-induced neuropathic pain. Collectively, NFAT1 is a hub transcription factor that regulates microglial proliferation via c-MYC and guides the expression of the activated microglia genome. Thus, NFAT1 may be an effective target for treating neuropathic pain.
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Affiliation(s)
- Bao‐Chun Jiang
- Institute of Pain Medicine and Special Environmental MedicineCo‐innovation Center of NeuroregenerationNantong UniversityJiangsu226019China
| | - Ting‐Yu Ding
- Institute of Pain Medicine and Special Environmental MedicineCo‐innovation Center of NeuroregenerationNantong UniversityJiangsu226019China
| | - Chang‐Yun Guo
- Institute of Pain Medicine and Special Environmental MedicineCo‐innovation Center of NeuroregenerationNantong UniversityJiangsu226019China
| | - Xue‐Hui Bai
- Institute of Pain Medicine and Special Environmental MedicineCo‐innovation Center of NeuroregenerationNantong UniversityJiangsu226019China
| | - De‐Li Cao
- Institute of Pain Medicine and Special Environmental MedicineCo‐innovation Center of NeuroregenerationNantong UniversityJiangsu226019China
| | - Xiao‐Bo Wu
- Institute of Pain Medicine and Special Environmental MedicineCo‐innovation Center of NeuroregenerationNantong UniversityJiangsu226019China
| | - Wei‐Lin Sha
- Institute of Pain Medicine and Special Environmental MedicineCo‐innovation Center of NeuroregenerationNantong UniversityJiangsu226019China
| | - Ming Jiang
- Institute of Pain Medicine and Special Environmental MedicineCo‐innovation Center of NeuroregenerationNantong UniversityJiangsu226019China
| | - Long‐Jun Wu
- Department of NeurologyMayo ClinicRochesterMN55905USA
| | - Yong‐Jing Gao
- Institute of Pain Medicine and Special Environmental MedicineCo‐innovation Center of NeuroregenerationNantong UniversityJiangsu226019China
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Yao L, Yin C, Huo F. Small-Molecule Fluorescent Probes for Detecting Several Abnormally Expressed Substances in Tumors. MICROMACHINES 2022; 13:1328. [PMID: 36014250 PMCID: PMC9412406 DOI: 10.3390/mi13081328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 08/04/2022] [Accepted: 08/12/2022] [Indexed: 06/15/2023]
Abstract
Malignant tumors have always been the biggest problem facing human survival, and a huge number of people die from cancer every year. Therefore, the identification and detection of malignant tumors have far-reaching significance for human survival and development. Some substances are abnormally expressed in tumors, such as cyclooxygenase-2 (COX-2), nitroreductase (NTR), pH, biothiols (GSH, Cys, Hcy), hydrogen sulfide (H2S), hydrogen sulfide (H2O2), hypochlorous acid (HOCl) and NADH. Consequently, it is of great value to diagnose and treat malignant tumors due to the identification and detection of these substances. Compared with traditional tumor detection methods, fluorescence imaging technology has the advantages of an inexpensive cost, fast detection and high sensitivity. Herein, we mainly introduce the research progress of fluorescent probes for identifying and detecting abnormally expressed substances in several tumors.
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Affiliation(s)
- Leilei Yao
- Research Institute of Applied Chemistry, Shanxi University, Taiyuan 030006, China
| | - Caixia Yin
- Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China
| | - Fangjun Huo
- Research Institute of Applied Chemistry, Shanxi University, Taiyuan 030006, China
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Gong Z, Li Q, Shi J, Wei J, Li P, Chang CH, Shultz LD, Ren G. Lung fibroblasts facilitate pre-metastatic niche formation by remodeling the local immune microenvironment. Immunity 2022; 55:1483-1500.e9. [PMID: 35908547 PMCID: PMC9830653 DOI: 10.1016/j.immuni.2022.07.001] [Citation(s) in RCA: 67] [Impact Index Per Article: 33.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 05/09/2022] [Accepted: 07/06/2022] [Indexed: 01/12/2023]
Abstract
Primary tumors are drivers of pre-metastatic niche formation, but the coordination by the secondary organ toward metastatic dissemination is underappreciated. Here, by single-cell RNA sequencing and immunofluorescence, we identified a population of cyclooxygenase 2 (COX-2)-expressing adventitial fibroblasts that remodeled the lung immune microenvironment. At steady state, fibroblasts in the lungs produced prostaglandin E2 (PGE2), which drove dysfunctional dendritic cells (DCs) and suppressive monocytes. This lung-intrinsic stromal program was propagated by tumor-associated inflammation, particularly the pro-inflammatory cytokine interleukin-1β, supporting a pre-metastatic niche. Genetic ablation of Ptgs2 (encoding COX-2) in fibroblasts was sufficient to reverse the immune-suppressive phenotypes of lung-resident myeloid cells, resulting in heightened immune activation and diminished lung metastasis in multiple breast cancer models. Moreover, the anti-metastatic activity of DC-based therapy and PD-1 blockade was improved by fibroblast-specific Ptgs2 deletion or dual inhibition of PGE2 receptors EP2 and EP4. Collectively, lung-resident fibroblasts reshape the local immune landscape to facilitate breast cancer metastasis.
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Affiliation(s)
- Zheng Gong
- The Jackson Laboratory, Bar Harbor, ME 04609, USA
| | - Qing Li
- The Jackson Laboratory, Bar Harbor, ME 04609, USA
| | - Jiayuan Shi
- The Jackson Laboratory, Bar Harbor, ME 04609, USA
| | - Jian Wei
- The Jackson Laboratory, Bar Harbor, ME 04609, USA
| | - Peishan Li
- The Jackson Laboratory, Bar Harbor, ME 04609, USA
| | - Chih-Hao Chang
- The Jackson Laboratory, Bar Harbor, ME 04609, USA; Tufts University School of Medicine, Boston, MA 02111, USA; Graduate School of Biomedical Sciences and Engineering, University of Maine, Orono, ME 04469, USA
| | | | - Guangwen Ren
- The Jackson Laboratory, Bar Harbor, ME 04609, USA; Tufts University School of Medicine, Boston, MA 02111, USA; Graduate School of Biomedical Sciences and Engineering, University of Maine, Orono, ME 04469, USA.
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Su PYP, Zhang L, He L, Zhao N, Guan Z. The Role of Neuro-Immune Interactions in Chronic Pain: Implications for Clinical Practice. J Pain Res 2022; 15:2223-2248. [PMID: 35957964 PMCID: PMC9359791 DOI: 10.2147/jpr.s246883] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 07/19/2022] [Indexed: 11/23/2022] Open
Affiliation(s)
- Po-Yi Paul Su
- Department of Anesthesia and Perioperative Care, University of California San Francisco, San Francisco, CA, USA
| | - Lingyi Zhang
- Department of Anesthesia and Perioperative Care, University of California San Francisco, San Francisco, CA, USA
- Department of Anesthesiology, the First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, People’s Republic of China
| | - Liangliang He
- Department of Anesthesia and Perioperative Care, University of California San Francisco, San Francisco, CA, USA
- Department of Pain Management, Xuanwu Hospital, Capital Medical University, Beijing, People’s Republic of China
| | - Na Zhao
- Department of Anesthesia and Perioperative Care, University of California San Francisco, San Francisco, CA, USA
| | - Zhonghui Guan
- Department of Anesthesia and Perioperative Care, University of California San Francisco, San Francisco, CA, USA
- Correspondence: Zhonghui Guan, Department of Anesthesia and Perioperative Care, University of California San Francisco, San Francisco, CA, USA, Tel +415.885.7246, Fax +415.885.7575, Email
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Su W, Liu G, Mohajer B, Wang J, Shen A, Zhang W, Liu B, Guermazi A, Gao P, Cao X, Demehri S, Wan M. Senescent preosteoclast secretome promotes metabolic syndrome associated osteoarthritis through cyclooxygenase 2. eLife 2022; 11:e79773. [PMID: 35881544 PMCID: PMC9365389 DOI: 10.7554/elife.79773] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 05/06/2022] [Indexed: 01/10/2023] Open
Abstract
Background Metabolic syndrome-associated osteoarthritis (MetS-OA) is a distinct osteoarthritis phenotype defined by the coexistence of MetS or its individual components. Despite the high prevalence of MetS-OA, its pathogenic mechanisms are unclear. The aim of this study was to determine the role of cellular senescence in the development of MetS-OA. Methods Analysis of the human osteoarthritis initiative (OAI) dataset was conducted to investigate the MRI subchondral bone features of MetS-human OA participants. Joint phenotype and senescent cells were evaluated in two MetS-OA mouse models: high-fat diet (HFD)-challenged mice and STR/Ort mice. In addition, the molecular mechanisms by which preosteoclasts become senescent as well as how the senescent preosteoclasts impair subchondral bone microenvironment were characterized using in vitro preosteoclast culture system. Results Humans and mice with MetS are more likely to develop osteoarthritis-related subchondral bone alterations than those without MetS. MetS-OA mice exhibited a rapid increase in joint subchondral bone plate and trabecular thickness before articular cartilage degeneration. Subchondral preosteoclasts undergo senescence at the pre- or early-osteoarthritis stage and acquire a unique secretome to stimulate osteoblast differentiation and inhibit osteoclast differentiation. Antagonizing preosteoclast senescence markedly mitigates pathological subchondral alterations and osteoarthritis progression in MetS-OA mice. At the molecular level, preosteoclast secretome activates COX2-PGE2, resulting in stimulated differentiation of osteoblast progenitors for subchondral bone formation. Administration of a selective COX2 inhibitor attenuated subchondral bone alteration and osteoarthritis progression in MetS-OA mice. Longitudinal analyses of the human Osteoarthritis Initiative (OAI) cohort dataset also revealed that COX2 inhibitor use, relative to non-selective nonsteroidal antiinflammatory drug use, is associated with less progression of osteoarthritis and subchondral bone marrow lesion worsening in participants with MetS-OA. Conclusions Our findings suggest a central role of a senescent preosteoclast secretome-COX2/PGE2 axis in the pathogenesis of MetS-OA, in which selective COX2 inhibitors may have disease-modifying potential. Funding This work was supported by the National Institutes of Health grant R01AG068226 and R01AG072090 to MW, R01AR079620 to SD, and P01AG066603 to XC.
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Affiliation(s)
- Weiping Su
- Department of Orthopaedic Surgery, Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of MedicineBaltimoreUnited States
- Department of Orthopaedic Surgery, The Third Xiangya Hospital of Central South UniversityChangshaChina
| | - Guanqiao Liu
- Department of Orthopaedic Surgery, Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of MedicineBaltimoreUnited States
- Division of Orthopaedics & Traumatology, Department of Orthopaedics, Southern Medical University Nanfang HospitalGuangzhouChina
| | - Bahram Mohajer
- Musculoskeletal Radiology, Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of MedicineBaltimoreUnited States
| | - Jiekang Wang
- Department of Orthopaedic Surgery, Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of MedicineBaltimoreUnited States
| | - Alena Shen
- University of Southern California, Dornsife College of Letters, Arts and SciencesLos AngelesUnited States
| | - Weixin Zhang
- Department of Orthopaedic Surgery, Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of MedicineBaltimoreUnited States
| | - Bin Liu
- Department of Orthopaedic Surgery, Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of MedicineBaltimoreUnited States
| | - Ali Guermazi
- Department of Radiology, Boston University School of MedicineBostonUnited States
| | - Peisong Gao
- Johns Hopkins Asthma & Allergy Center, Johns Hopkins University School of MedicineBaltimoreUnited States
| | - Xu Cao
- Department of Orthopaedic Surgery, Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of MedicineBaltimoreUnited States
| | - Shadpour Demehri
- Musculoskeletal Radiology, Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of MedicineBaltimoreUnited States
| | - Mei Wan
- Department of Orthopaedic Surgery, Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of MedicineBaltimoreUnited States
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Development of Nanogel Loaded with Lidocaine for Wound-Healing: Illustration of Improved Drug Deposition and Skin Safety Analysis. Gels 2022; 8:gels8080466. [PMID: 35892725 PMCID: PMC9332171 DOI: 10.3390/gels8080466] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Revised: 07/15/2022] [Accepted: 07/21/2022] [Indexed: 02/07/2023] Open
Abstract
A wound refers to a cut or blow that may result in primary or secondary infection or even death, if untreated. In the current study, we have explored the wound-healing properties of lidocaine nanogel, owing to its antioxidant and neutrophilic modulatory potential. Initially, the pre-formulation study was performed and then using central composite design (CCD) fabrication and the characterization of lidocaine-loaded nanoemulsion was carried out. After the preparation of a nanogel of lidocaine-loaded nanoemulsion, it was evaluated on various parameters, such as pH, spreadability, extrudability, drug content, in vitro drug release, dermatokinetic study and in vivo skin safety. Based on the pre-formulation study, the maximum solubility of lidocaine was found in oleic acid (324.41 ± 4.19 mg/mL) and in Tween 20 (192.05 ± 8.25 mg/mL), selected as a suitable emulsifier. The refractive index of the optimized nanoemulsion was found to be 1.35 ± 0.04, the electrokinetic potential was recorded as −15.47 ± 0.95 mV. The pH, spreadability and extrudability of nanogel was found to be 6.87 ± 0.51, 73.32 ± 4.59 gm.cm/sec and 107.41 ± 6.42 gm/cm2, respectively. The percentage of the cumulative drug content and drug release from nanogel was found to be 99.94 ± 1.70% and 93.00 ± 4.67%, respectively. Moreover, dermatokinetic study showed significantly (p < 0.0005) improved drug deposition and the in vivo skin safety study showed no sign of dermal erythematous lesion or any visible damage. Stability studies also testified the secureness of nanogel after storage in a prescribed environmental condition. Thus, this study provides substantial evidence for healing wounds effectively and the further evaluation of the in vivo model. The patent related to this work was published in the Indian Official Journal of the Patent Office (Issue number: 20/2022).
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Carvalho NS, Lemes JBP, Pagliusi M, Machado ACDS, Malange KF, Pral LP, Fachi JL, Nishijima CM, Dos Santos GG, Tambeli CH, Sartori CR, Vinolo MAR, Parada CA. Neutrophil-Derived COX-2 has a Key Role during Inflammatory Hyperalgesia. Inflammation 2022; 45:2280-2293. [PMID: 35840810 DOI: 10.1007/s10753-022-01690-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 05/20/2022] [Indexed: 11/28/2022]
Abstract
Inflammation is a vital process for the injured tissue restoration and one of its hallmarks is inflammatory hyperalgesia. The cyclooxygenase (COX) pathway is strongly related to the inflammatory and painful process. Usually, the COX-1 isoform is described as homeostatic, while COX-2 is characterized as inducible in inflammatory conditions. Although it is well known that neutrophil cells are the first to arrive at the inflamed site and the major source of COX-2 is still unknown, the specific role of neutrophil-derived COX-2 in the pain process is. Thus, in the present study, we demonstrate for the first time that neutrophil-derived COX-2 plays a key role in peripheral inflammatory hyperalgesia. Conditional knockout mice for COX-2 in neutrophils (COX-2 fl/fl: Mrp8cre±) exhibited higher pain sensitivity after carrageenan (CG) injection and long-lasting IL-1β-induced hyperalgesia compared with the control group (COX-2 fl/fl). Also, CG-induced inflammation in COX-2 fl/fl: Mrp8cre± mice showed COX-1 overexpression, and increased neutrophil migration and pro-inflammatory cytokines (e.g., IL-1β and CXCL1). These findings revealed that neutrophil COX-2 has an important role in the regulation of inflammatory hyperalgesia.
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Affiliation(s)
- Nathalia Santos Carvalho
- Laboratory of the Study of Pain, Department of Structural and Functional Biology, University of Campinas, Rua Monteiro Lobato, 255, Campinas, SP, CEP, 13083-862, Brazil
| | - Julia Borges Paes Lemes
- Laboratory of the Study of Pain, Department of Structural and Functional Biology, University of Campinas, Rua Monteiro Lobato, 255, Campinas, SP, CEP, 13083-862, Brazil.,Department of Anesthesiology, University of California, San Diego, LA Jolla, CA, USA
| | - Marco Pagliusi
- Laboratory of the Study of Pain, Department of Structural and Functional Biology, University of Campinas, Rua Monteiro Lobato, 255, Campinas, SP, CEP, 13083-862, Brazil.,Department of Pharmacology, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Ana Carolina Dos Santos Machado
- Laboratory of the Study of Pain, Department of Structural and Functional Biology, University of Campinas, Rua Monteiro Lobato, 255, Campinas, SP, CEP, 13083-862, Brazil
| | - Kauê Franco Malange
- Laboratory of the Study of Pain, Department of Structural and Functional Biology, University of Campinas, Rua Monteiro Lobato, 255, Campinas, SP, CEP, 13083-862, Brazil.,Department of Anesthesiology, University of California, San Diego, LA Jolla, CA, USA
| | - Laís Passariello Pral
- Laboratory of Immunoinflammation, Department of Genetics, Evolution, Microbiology, and Immunology, Institute of Biology, University of Campinas, Campinas, Brazil
| | - José Luís Fachi
- Laboratory of Immunoinflammation, Department of Genetics, Evolution, Microbiology, and Immunology, Institute of Biology, University of Campinas, Campinas, Brazil
| | - Catarine Massucato Nishijima
- Laboratory of the Study of Pain, Department of Structural and Functional Biology, University of Campinas, Rua Monteiro Lobato, 255, Campinas, SP, CEP, 13083-862, Brazil
| | | | - Claudia Herrera Tambeli
- Laboratory of the Study of Pain, Department of Structural and Functional Biology, University of Campinas, Rua Monteiro Lobato, 255, Campinas, SP, CEP, 13083-862, Brazil
| | - Cesar Renato Sartori
- Laboratory of the Study of Pain, Department of Structural and Functional Biology, University of Campinas, Rua Monteiro Lobato, 255, Campinas, SP, CEP, 13083-862, Brazil
| | - Marco Aurélio Ramirez Vinolo
- Laboratory of Immunoinflammation, Department of Genetics, Evolution, Microbiology, and Immunology, Institute of Biology, University of Campinas, Campinas, Brazil
| | - Carlos Amilcar Parada
- Laboratory of the Study of Pain, Department of Structural and Functional Biology, University of Campinas, Rua Monteiro Lobato, 255, Campinas, SP, CEP, 13083-862, Brazil.
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Anti-inflammatory effects of Torin2 on lipopolysaccharide-treated RAW264.7 murine macrophages and potential mechanisms. Heliyon 2022; 8:e09917. [PMID: 35874059 PMCID: PMC9304722 DOI: 10.1016/j.heliyon.2022.e09917] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 04/24/2022] [Accepted: 07/05/2022] [Indexed: 11/25/2022] Open
Abstract
Context Torin2 has various pharmacological properties. However, its anti-inflammatory activity has not been reported. Objective This study focused on the potential anti-inflammatory properties of Torin2 in lipopolysaccharide (LPS)-evoked RAW264.7 murine macrophages. The study aimed to shed light on the molecular mechanisms that ameliorate these effects. Methods Torin2 was applied to 100 ng/mL lipopolysaccharide-induced RAW 264.7 macrophages in vitro. Nitric oxide (NO) levels were detected using the Griess reagent kit. Prostaglandin E2 (PGE2), pro-inflammatory cytokines interleukin (IL)-1β, interleukin (IL)-6, and tumor necrosis factor in the supernatant fraction were determined using enzyme-linked immunosorbent assay (ELISA). Gene expression of pro-inflammatory cytokines, cyclooxygenase-2 (COX-2), and inducible nitric oxide synthase (iNOS) were tested using real-time quantitative polymerase chain reaction (qPCR). Cyclooxygenase-2 and inducible nitric oxide synthase proteins, phosphorylation of mitogen-activated protein kinase (MAPK) subgroups, extracellular signal-regulated kinase (ERK), c-Jun N-terminal kinase (JNK), p38, I-kappa-B-alpha (IκBα), and nuclear factor-kappa-B (NF-κB), and activation in extracts were detected via western blotting. Nuclear factor-kappa-B/p65 nuclear translocation was tested using an immunofluorescence assay. Results The results demonstrated that pre-treatment with Torin2 profoundly attenuated the lipopolysaccharide-stimulated levels of nitric oxide and prostaglandin E2, pro-inflammatory cytokines, messenger ribonucleic acid (mRNA), and protein expression of cyclooxygenase-2 and inducible nitric oxide synthase. Collectively, Torin2 pre-treatment notably weakened lipopolysaccharide-induced damage by reducing the phosphorylation of nuclear factor-kappa-B, p38, c-Jun N-terminal kinase, extracellular signal-regulated kinase proteins, and nuclear factor-kappa-B/p65 nuclear translocation. Conclusion Numerous pieces of evidence indicated that Torin2 reversed inflammatory activation by regulating nuclear factor-kappa-B and mitogen-activated protein kinase signaling pathways and provided a tentative potential candidate for preventing and treating inflammatory diseases.
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Hook G, Reinheckel T, Ni J, Wu Z, Kindy M, Peters C, Hook V. Cathepsin B Gene Knockout Improves Behavioral Deficits and Reduces Pathology in Models of Neurologic Disorders. Pharmacol Rev 2022; 74:600-629. [PMID: 35710131 PMCID: PMC9553114 DOI: 10.1124/pharmrev.121.000527] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Cathepsin B (CTSB) is a powerful lysosomal protease. This review evaluated CTSB gene knockout (KO) outcomes for amelioration of brain dysfunctions in neurologic diseases and aging animal models. Deletion of the CTSB gene resulted in significant improvements in behavioral deficits, neuropathology, and/or biomarkers in traumatic brain injury, ischemia, inflammatory pain, opiate tolerance, epilepsy, aging, transgenic Alzheimer's disease (AD), and periodontitis AD models as shown in 12 studies. One study found beneficial effects for double CTSB and cathepsin S KO mice in a multiple sclerosis model. Transgenic AD models using amyloid precursor protein (APP) mimicking common sporadic AD in three studies showed that CTSB KO improved memory, neuropathology, and biomarkers; two studies used APP representing rare familial AD and found no CTSB KO effect, and two studies used highly engineered APP constructs and reported slight increases in a biomarker. In clinical studies, all reports found that CTSB enzyme was upregulated in diverse neurologic disorders, including AD in which elevated CTSB was positively correlated with cognitive dysfunction. In a wide range of neurologic animal models, CTSB was also upregulated and not downregulated. Further, human genetic mutation data provided precedence for CTSB upregulation causing disease. Thus, the consilience of data is that CTSB gene KO results in improved brain dysfunction and reduced pathology through blockade of CTSB enzyme upregulation that causes human neurologic disease phenotypes. The overall findings provide strong support for CTSB as a rational drug target and for CTSB inhibitors as therapeutic candidates for a wide range of neurologic disorders. SIGNIFICANCE STATEMENT: This review provides a comprehensive compilation of the extensive data on the effects of deleting the cathepsin B (CTSB) gene in neurological and aging mouse models of brain disorders. Mice lacking the CTSB gene display improved neurobehavioral deficits, reduced neuropathology, and amelioration of neuronal cell death and inflammatory biomarkers. The significance of the compelling CTSB evidence is that the data consilience validates CTSB as a drug target for discovery of CTSB inhibitors as potential therapeutics for treating numerous neurological diseases.
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Affiliation(s)
- Gregory Hook
- American Life Science Pharmaceuticals, La Jolla, California (G.H.); Institute of Molecular Medicine and Cell Research, Faculty of Medicine, Albert Ludwigs University, Freiburg, Germany (T.R.); German Cancer Consortium (DKTK) Partner Site Freiburg, Freiburg, Germany (T.R.); German Cancer Research Center (DKFZ), Heidelberg, Germany (T.R); Center for Biological Signaling Studies BIOSS, Albert Ludwigs University, Freiburg, Germany (T.R.); Key Laboratory of Molecular Medicine and Biotherapy, Department of Biology, School of Life Science, Beijing Institute of Technology, Beijing, China (J.N.); Department of Aging Science and Pharmacology, OBT Research Center, Faculty of Dental Science, Kyushu University, Fukuoka, Japan (Z.W); Taneja College of Pharmacy, Department of Pharmaceutical Sciences, University of South Florida, Tampa, Florida (M.K.); James A Haley VAMC, Research Service, Tampa, Florida (M.K.); Institute of Molecular Medicine and Cell Research, Faculty of Biology, Albert Ludwigs University, Freiburg, Germany (C.P.); Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, La Jolla, CA (V.H.); and Department of Neuroscience and Department of Pharmacology, School of Medicine, University of California, La Jolla, CA (V.H.)
| | - Thomas Reinheckel
- American Life Science Pharmaceuticals, La Jolla, California (G.H.); Institute of Molecular Medicine and Cell Research, Faculty of Medicine, Albert Ludwigs University, Freiburg, Germany (T.R.); German Cancer Consortium (DKTK) Partner Site Freiburg, Freiburg, Germany (T.R.); German Cancer Research Center (DKFZ), Heidelberg, Germany (T.R); Center for Biological Signaling Studies BIOSS, Albert Ludwigs University, Freiburg, Germany (T.R.); Key Laboratory of Molecular Medicine and Biotherapy, Department of Biology, School of Life Science, Beijing Institute of Technology, Beijing, China (J.N.); Department of Aging Science and Pharmacology, OBT Research Center, Faculty of Dental Science, Kyushu University, Fukuoka, Japan (Z.W); Taneja College of Pharmacy, Department of Pharmaceutical Sciences, University of South Florida, Tampa, Florida (M.K.); James A Haley VAMC, Research Service, Tampa, Florida (M.K.); Institute of Molecular Medicine and Cell Research, Faculty of Biology, Albert Ludwigs University, Freiburg, Germany (C.P.); Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, La Jolla, CA (V.H.); and Department of Neuroscience and Department of Pharmacology, School of Medicine, University of California, La Jolla, CA (V.H.)
| | - Junjun Ni
- American Life Science Pharmaceuticals, La Jolla, California (G.H.); Institute of Molecular Medicine and Cell Research, Faculty of Medicine, Albert Ludwigs University, Freiburg, Germany (T.R.); German Cancer Consortium (DKTK) Partner Site Freiburg, Freiburg, Germany (T.R.); German Cancer Research Center (DKFZ), Heidelberg, Germany (T.R); Center for Biological Signaling Studies BIOSS, Albert Ludwigs University, Freiburg, Germany (T.R.); Key Laboratory of Molecular Medicine and Biotherapy, Department of Biology, School of Life Science, Beijing Institute of Technology, Beijing, China (J.N.); Department of Aging Science and Pharmacology, OBT Research Center, Faculty of Dental Science, Kyushu University, Fukuoka, Japan (Z.W); Taneja College of Pharmacy, Department of Pharmaceutical Sciences, University of South Florida, Tampa, Florida (M.K.); James A Haley VAMC, Research Service, Tampa, Florida (M.K.); Institute of Molecular Medicine and Cell Research, Faculty of Biology, Albert Ludwigs University, Freiburg, Germany (C.P.); Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, La Jolla, CA (V.H.); and Department of Neuroscience and Department of Pharmacology, School of Medicine, University of California, La Jolla, CA (V.H.)
| | - Zhou Wu
- American Life Science Pharmaceuticals, La Jolla, California (G.H.); Institute of Molecular Medicine and Cell Research, Faculty of Medicine, Albert Ludwigs University, Freiburg, Germany (T.R.); German Cancer Consortium (DKTK) Partner Site Freiburg, Freiburg, Germany (T.R.); German Cancer Research Center (DKFZ), Heidelberg, Germany (T.R); Center for Biological Signaling Studies BIOSS, Albert Ludwigs University, Freiburg, Germany (T.R.); Key Laboratory of Molecular Medicine and Biotherapy, Department of Biology, School of Life Science, Beijing Institute of Technology, Beijing, China (J.N.); Department of Aging Science and Pharmacology, OBT Research Center, Faculty of Dental Science, Kyushu University, Fukuoka, Japan (Z.W); Taneja College of Pharmacy, Department of Pharmaceutical Sciences, University of South Florida, Tampa, Florida (M.K.); James A Haley VAMC, Research Service, Tampa, Florida (M.K.); Institute of Molecular Medicine and Cell Research, Faculty of Biology, Albert Ludwigs University, Freiburg, Germany (C.P.); Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, La Jolla, CA (V.H.); and Department of Neuroscience and Department of Pharmacology, School of Medicine, University of California, La Jolla, CA (V.H.)
| | - Mark Kindy
- American Life Science Pharmaceuticals, La Jolla, California (G.H.); Institute of Molecular Medicine and Cell Research, Faculty of Medicine, Albert Ludwigs University, Freiburg, Germany (T.R.); German Cancer Consortium (DKTK) Partner Site Freiburg, Freiburg, Germany (T.R.); German Cancer Research Center (DKFZ), Heidelberg, Germany (T.R); Center for Biological Signaling Studies BIOSS, Albert Ludwigs University, Freiburg, Germany (T.R.); Key Laboratory of Molecular Medicine and Biotherapy, Department of Biology, School of Life Science, Beijing Institute of Technology, Beijing, China (J.N.); Department of Aging Science and Pharmacology, OBT Research Center, Faculty of Dental Science, Kyushu University, Fukuoka, Japan (Z.W); Taneja College of Pharmacy, Department of Pharmaceutical Sciences, University of South Florida, Tampa, Florida (M.K.); James A Haley VAMC, Research Service, Tampa, Florida (M.K.); Institute of Molecular Medicine and Cell Research, Faculty of Biology, Albert Ludwigs University, Freiburg, Germany (C.P.); Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, La Jolla, CA (V.H.); and Department of Neuroscience and Department of Pharmacology, School of Medicine, University of California, La Jolla, CA (V.H.)
| | - Christoph Peters
- American Life Science Pharmaceuticals, La Jolla, California (G.H.); Institute of Molecular Medicine and Cell Research, Faculty of Medicine, Albert Ludwigs University, Freiburg, Germany (T.R.); German Cancer Consortium (DKTK) Partner Site Freiburg, Freiburg, Germany (T.R.); German Cancer Research Center (DKFZ), Heidelberg, Germany (T.R); Center for Biological Signaling Studies BIOSS, Albert Ludwigs University, Freiburg, Germany (T.R.); Key Laboratory of Molecular Medicine and Biotherapy, Department of Biology, School of Life Science, Beijing Institute of Technology, Beijing, China (J.N.); Department of Aging Science and Pharmacology, OBT Research Center, Faculty of Dental Science, Kyushu University, Fukuoka, Japan (Z.W); Taneja College of Pharmacy, Department of Pharmaceutical Sciences, University of South Florida, Tampa, Florida (M.K.); James A Haley VAMC, Research Service, Tampa, Florida (M.K.); Institute of Molecular Medicine and Cell Research, Faculty of Biology, Albert Ludwigs University, Freiburg, Germany (C.P.); Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, La Jolla, CA (V.H.); and Department of Neuroscience and Department of Pharmacology, School of Medicine, University of California, La Jolla, CA (V.H.)
| | - Vivian Hook
- American Life Science Pharmaceuticals, La Jolla, California (G.H.); Institute of Molecular Medicine and Cell Research, Faculty of Medicine, Albert Ludwigs University, Freiburg, Germany (T.R.); German Cancer Consortium (DKTK) Partner Site Freiburg, Freiburg, Germany (T.R.); German Cancer Research Center (DKFZ), Heidelberg, Germany (T.R); Center for Biological Signaling Studies BIOSS, Albert Ludwigs University, Freiburg, Germany (T.R.); Key Laboratory of Molecular Medicine and Biotherapy, Department of Biology, School of Life Science, Beijing Institute of Technology, Beijing, China (J.N.); Department of Aging Science and Pharmacology, OBT Research Center, Faculty of Dental Science, Kyushu University, Fukuoka, Japan (Z.W); Taneja College of Pharmacy, Department of Pharmaceutical Sciences, University of South Florida, Tampa, Florida (M.K.); James A Haley VAMC, Research Service, Tampa, Florida (M.K.); Institute of Molecular Medicine and Cell Research, Faculty of Biology, Albert Ludwigs University, Freiburg, Germany (C.P.); Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, La Jolla, CA (V.H.); and Department of Neuroscience and Department of Pharmacology, School of Medicine, University of California, La Jolla, CA (V.H.)
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Wilson JP, Green MJ, Randall LV, Rutland CS, Bell NJ, Hemingway-Arnold H, Thompson JS, Bollard NJ, Huxley JN. Effects of routine treatment with nonsteroidal anti-inflammatory drugs at calving and when lame on the future probability of lameness and culling in dairy cows: A randomized controlled trial. J Dairy Sci 2022; 105:6041-6054. [PMID: 35599027 DOI: 10.3168/jds.2021-21329] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 03/21/2022] [Indexed: 11/19/2022]
Abstract
Claw horn lesions (CHL) are reported as the most common cause of lameness in intensive dairy systems. Despite their prevalence, the underlying pathological mechanisms and preventive strategies for CHL remain poorly understood. Recent advances have pointed to the role of inflammation in disease aetiopathogenesis. Moderating inflammation from first calving may lead to long-term benefits and a viable intervention for treating and preventing disease. We conducted a 34-mo randomized controlled trial to investigate the effects of routine treatment with the nonsteroidal anti-inflammatory drug ketoprofen at calving and during treatment for lameness, on the future probability of lameness and culling, caused by exposure to normal farm conditions. A cohort of dairy heifers were recruited from a single, commercial dairy herd between January 8, 2018, and June 22, 2020, and randomly allocated to one of 4 treatment groups before first calving. The lactating herd was lameness scored every 2 wk on a 0 to 3 scale, to identify animals that became lame (single score ≥2a) and hence required treatment. Animals in group 1 received a therapeutic trim and a hoof block on the sound claw (if deemed necessary) every time they were treated for lameness. Animals in group 2 received the same treatment as group 1 with the addition of a 3-d course of ketoprofen (single dose daily) every time they were treated for lameness. Animals in group 3 received the same treatment as group 2 with the addition of a 3-d course of ketoprofen (single dose daily) starting 24 to 36 h after each calving. Animals in group 4 received a 3-d course of ketoprofen (single dose daily) every time they were identified with lameness. No therapeutic trim was administered to this group, unless they were identified as severely lame (a single score ≥3a). Animals were followed for the duration of the study (ending October 23, 2020). Probability of lameness was assessed by a lameness outcome score collected every 14 d. Data on culling was extracted from farm records. One hundred thirty-two animals were recruited to each group, with data from 438 animals included in the final analysis (111 in group 1, 117 in group 2, 100 in group 3, and 110 in group 4). Mixed effect logistic regression models were used to evaluate the effect of treatment group on the ongoing probability of lameness. Compared with the control group (group 1), animals in group 3 were less likely to become lame (odds ratio: 0.66) and severely lame (odds ratio: 0.28). A Cox proportional hazards survival model was used to investigate the effect of treatment group on time to culling. Compared with group 1, animals in groups 2 and 3 were at reduced risk of culling (hazard ratios: 0.55 and 0.56, respectively). The lameness effect size we identified was large and indicated that treating a cohort of animals with the group 3 protocol, would lead to an absolute reduction in population lameness prevalence of approximately 10% and severe lameness prevalence of 3%, compared with animals treated in accordance with conventional best practice (group 1).
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Affiliation(s)
- J P Wilson
- School of Veterinary Medicine and Science, University of Nottingham, Sutton Bonington Campus, Leicestershire, LE12 5RD, United Kingdom
| | - M J Green
- School of Veterinary Medicine and Science, University of Nottingham, Sutton Bonington Campus, Leicestershire, LE12 5RD, United Kingdom
| | - L V Randall
- School of Veterinary Medicine and Science, University of Nottingham, Sutton Bonington Campus, Leicestershire, LE12 5RD, United Kingdom
| | - C S Rutland
- School of Veterinary Medicine and Science, University of Nottingham, Sutton Bonington Campus, Leicestershire, LE12 5RD, United Kingdom
| | - N J Bell
- School of Veterinary Medicine and Science, University of Nottingham, Sutton Bonington Campus, Leicestershire, LE12 5RD, United Kingdom
| | - H Hemingway-Arnold
- School of Veterinary Medicine and Science, University of Nottingham, Sutton Bonington Campus, Leicestershire, LE12 5RD, United Kingdom
| | - J S Thompson
- School of Veterinary Medicine and Science, University of Nottingham, Sutton Bonington Campus, Leicestershire, LE12 5RD, United Kingdom
| | - N J Bollard
- School of Veterinary Medicine and Science, University of Nottingham, Sutton Bonington Campus, Leicestershire, LE12 5RD, United Kingdom
| | - J N Huxley
- School of Veterinary Science, Massey University, Private Bag 11 222, Palmerston North 4474, New Zealand.
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Hamad SA. Effect Of Low-Level Laser Therapy On Inflammatory Sequеlae Of Impacted Mandibular Third Molar Surgery: A Single-Blind, Placebo-Controlled, Randomized Clinical Trial. RUSSIAN OPEN MEDICAL JOURNAL 2022. [DOI: 10.15275/rusomj.2022.0220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Objective — Postoperative pain, facial swelling, and limitation of mouth opening are common sequеlae of lower third molar surgery. The objective of the study was to evaluate the effect of Low- level laser irradiation in controlling these sequеlae. Material and Methods — This randomized, single-blinded, split-mouth pilot study was carried out at the department of oral and maxillofacial surgery, university affiliated hospital, Erbil, Iraq. The study was conducted on 20 patients (13 males and 7 females), with a mean age of 26.3±7.4 years, who needed surgical removal of symmetrical bilateral impacted lower third molars. In each patient, one side was treated by low level laser and the other side was control. Laser irradiation was performed by postoperative single intraoral application of 940 nm laser beam at four points. Pain, trismus, and facial swelling were evaluated at the first, third, and seventh postoperative days. The data were analyzed using Mann–Whitney U test and unpaired t -test. Results — As compared to the control sides, low- level laser irradiated sides showed a significant reduction in visual analogue pain scales (VAS) during the first three postoperative days (P<0.05). The VAS scores of the laser treated sides were 4.46, 4.00, and 3.35 as compared to 6.58, 5.82, and 5.17 for the control sides. The swelling, and trismus were significantly reduced on the first and third postoperative days in the laser treated sides, as compared to the control sides (P<0.05). The facial measurements during the first and third postoperative days were 108.72 mm and 114.77 mm in the laser sides and 113.57 mm and 118.43 mm in the control sides. The degree of mouth opening during the first and third postoperative days were 33.48 mm and 30.37 mm in the laser sides and 27.93 mm and 25.58 mm in the control sides Conclusions — Single intraoral application of low- level laser is effective in reducing pain, swelling and trismus after mandibular third molar surgery. Therefore, it can be used as an adjuvant in controlling postoperative complications after lower third molar surgery.
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Mittinty MM, Lee JY, Walton DM, El-Omar EM, Elliott JM. Integrating the Gut Microbiome and Stress-Diathesis to Explore Post-Trauma Recovery: An Updated Model. Pathogens 2022; 11:pathogens11070716. [PMID: 35889962 PMCID: PMC9323039 DOI: 10.3390/pathogens11070716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 06/10/2022] [Accepted: 06/16/2022] [Indexed: 11/16/2022] Open
Abstract
Musculoskeletal conditions of traumatic and non-traumatic origin represent an ongoing health challenge. While the last three decades have seen significant advancement in our understanding of musculoskeletal conditions, the mechanisms of a delayed or lack of recovery are still a mystery. Here, we present an expansion of the integrated stress-diathesis model through the inclusion of the gut microbiome. Connecting the microbiome with known adverse neurobiologic, microbiologic and pathophysiologic sequelae following an injury, trauma or stressful event may help improve our knowledge of the pathogenesis of poor recovery. Such knowledge could provide a foundation for the exploration and development of more effective interventions to prevent the transition from acute to chronic pain.
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Affiliation(s)
- Manasi Murthy Mittinty
- Faculty of Medicine and Health, University of Sydney, Sydney, NSW 2065, Australia
- Correspondence: ; Tel.: +61-2-9463-1516
| | - Joshua Y. Lee
- School of Physical Therapy, Western University, London, ON N6G 1H1, Canada; (J.Y.L.); (D.M.W.)
| | - David M. Walton
- School of Physical Therapy, Western University, London, ON N6G 1H1, Canada; (J.Y.L.); (D.M.W.)
| | - Emad M. El-Omar
- UNSW Microbiome Research Centre, St George and Sutherland Clinical Campuses, School of Clinical Medicine, Faculty of Medicine and Health, University of New South Wales, Sydney, NSW 2052, Australia;
| | - James M. Elliott
- School of Health Sciences, Faculty of Medicine and Health, The Kolling Institute, The University of Sydney, Sydney, NSW 2065, Australia;
- The Northern Sydney Local Health District, Sydney, NSW 2006, Australia
- Department of Physical Therapy and Human Movement Sciences, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
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Fang XX, Wang H, Song HL, Wang J, Zhang ZJ. Neuroinflammation Involved in Diabetes-Related Pain and Itch. Front Pharmacol 2022; 13:921612. [PMID: 35795572 PMCID: PMC9251344 DOI: 10.3389/fphar.2022.921612] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Accepted: 05/12/2022] [Indexed: 12/25/2022] Open
Abstract
Diabetes mellitus (DM) is a global epidemic with increasing incidence, which results in diverse complications, seriously affects the patient quality of life, and brings huge economic burdens to society. Diabetic neuropathy is the most common chronic complication of DM, resulting in neuropathic pain and chronic itch. The precise mechanisms of diabetic neuropathy have not been fully clarified, hindering the exploration of novel therapies for diabetic neuropathy and its terrible symptoms such as diabetic pain and itch. Accumulating evidence suggests that neuroinflammation plays a critical role in the pathophysiologic process of neuropathic pain and chronic itch. Indeed, researchers have currently made significant progress in knowing the role of glial cells and the pro-inflammatory mediators produced from glial cells in the modulation of chronic pain and itch signal processing. Here, we provide an overview of the current understanding of neuroinflammation in contributing to the sensitization of the peripheral nervous system (PNS) and central nervous system (CNS). In addition, we also summarize the inflammation mechanisms that contribute to the pathogenesis of diabetic itch, including activation of glial cells, oxidative stress, and pro-inflammatory factors. Targeting excessive neuroinflammation may provide potential and effective therapies for the treatment of chronic neuropathic pain and itch in DM.
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Affiliation(s)
- Xiao-Xia Fang
- Department of Human Anatomy, School of Medicine, Nantong University, Nantong, China
- Department of Medical Functional Laboratory, School of Medicine, Nantong University, Nantong, China
| | - Heng Wang
- Department of Human Anatomy, School of Medicine, Nantong University, Nantong, China
| | - Hao-Lin Song
- Department of Human Anatomy, School of Medicine, Nantong University, Nantong, China
| | - Juan Wang
- Department of Human Anatomy, School of Medicine, Nantong University, Nantong, China
| | - Zhi-Jun Zhang
- Department of Human Anatomy, School of Medicine, Nantong University, Nantong, China
- *Correspondence: Zhi-Jun Zhang,
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Selenium-enriched oolong tea (Camellia sinensis) extract exerts anti-inflammatory potential via targeting NF-κB and MAPK pathways in macrophages. FOOD SCIENCE AND HUMAN WELLNESS 2022. [DOI: 10.1016/j.fshw.2021.12.020] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Wang YH, Gao X, Tang YR, Chen FQ, Yu Y, Sun MJ, Li Y. Resolvin D1 alleviates mechanical allodynia via ALX/FPR2 receptor targeted NLRP3/ERK signaling in a neuropathic pain model. Neuroscience 2022; 494:12-24. [PMID: 35487301 DOI: 10.1016/j.neuroscience.2022.04.019] [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: 07/19/2021] [Revised: 04/18/2022] [Accepted: 04/22/2022] [Indexed: 10/18/2022]
Abstract
The current study aimed to investigate the role and underlying mechanism of Resolvin D1 (RvD1) alleviating spinal nerve ligation (SNL)-induced neuropathic pain (NP) and its interplay with regulatory cascades of NLRP3 inflammasome. Sprague-Dawley male rat model of SNL-stimulated NP was established, which were pre-treated with different doses of RvD1, WRW4 (ALX/FPR2 inhibitor) or U0126 (ERK inhibitor) for three successive days following the operation. Pain behavior was assessed by measuring changes in the mechanical sensitivity of the hind paws during an observation period of 7 consecutive days. The spinal cord (SC) and dorsal root ganglions (DRGs) tissues were collected on postoperative day 7. Immunohistochemistry (IHC) and western blot were performed to determine the expression levels of NLRP3 inflammasome complex, ALX/FPR2 receptor and extracellular signal-related kinase (ERK). The pro-inflammatory mediators (IL-1β and IL-18) were measured by enzyme-linked immunosorbent assay (ELISA). The results showed that RvD1 could alleviate mechanical allodynia significantly in the SNL-induced NP rat model. Also, RvD1 inhibited the expression of p-ERK, the NLRP3 inflammasomes complex and its corresponding downstream pro-inflammatory mediators which were significantly enhanced in the SC and DRGs of the rat of SNL model. While these changes were partially reversed by pre-administration of WRW4 and further strengthened by co-treated with U0126. Our results suggest that RvD1 dependent on ALX/FPR2 may have an analgesic and anti-inflammatory influence on SNL-induced NP driven by inhibiting NLRP3 inflammasome via ERK signaling pathway. These data also provide strong support for the recent modulation of neuro-inflammatory priming and highlight the potential for specialized pro-resolving mediators (SPMs) as novel therapeutic avenues for NP.
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Affiliation(s)
- Yi-Hao Wang
- Department of Pain Management, Qingdao Municipal Hospital, Shandong Province 266011, China; Department of Pain Management, The Affiliated Hospital of Qingdao University, Shandong Province 266003, China
| | - Xiao Gao
- Qingdao Mental Health Center, Qingdao University, Shandong Province 266034, China
| | - Yu-Ru Tang
- Qingdao Mental Health Center, Qingdao University, Shandong Province 266034, China
| | - Fu-Qiang Chen
- Department of Pain Management, Qingdao Municipal Hospital, Shandong Province 266011, China
| | - Yang Yu
- Department of Pain Management, Qingdao Municipal Hospital, Shandong Province 266011, China
| | - Ming-Jie Sun
- Department of Pain Management, Qingdao Municipal Hospital, Shandong Province 266011, China
| | - Yan Li
- Department of Obstetrics and Gynecology, The Affiliated Hospital of Qingdao University, Shandong Province 266003, China.
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LncRNA MALAT1 functions as a biomarker of no-reflow phenomenon in ST-segment elevation myocardial infarction patients receiving primary percutaneous coronary intervention. Sci Rep 2022; 12:3294. [PMID: 35228564 PMCID: PMC8885644 DOI: 10.1038/s41598-022-06923-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 01/21/2022] [Indexed: 11/20/2022] Open
Abstract
MALAT1 was reported to sponge miR-30e, miR-126 and miR-155 in the pathogenesis of many diseases. Plasma miR-30e can indicate the risk of no-reflow during primary percutaneous coronary intervention (pPCI), while miR-126 can be used as a predictor of coronary slow flow phenomenon. In this study, we compared the diagnostic value of above genes in the prediction of no-reflow phenomenon in ST-segment elevation myocardial infarction (STEMI) subjects receiving pPCI. Quantitative real-time PCR, ELISA, Western blot and luciferase assays were performed to explore the regulatory relationship of MALAT1/miR-30e, MALAT1/miR-126, MALAT1/miR-155, miR-126/HPSE, and miR-155/EDN1. ROC analysis was carried out to evaluate the potential value of MALAT1, miRNAs and target genes in differentiating normal reflow and no-reflow in STEMI patients receiving pPCI. Elevated MALAT1, CRP, HPSE, and EDN1 expression and suppressed miR-30e, miR-155 and miR-126 expression was found in the plasma of STEMI patients receiving pPCI who were diagnosed with no-reflow phenomenon. ROC analysis showed that the expression of MALAT1, miR-30e, miR-126 and CRP could be used as predictive biomarkers to differentiate normal reflow and no-reflow in STEMI patients receiving pPCI. MALAT1 was found to suppress the expression of miR-30e, miR-126 and miR-155, and HPSE and EDN1 were respectively targeted by miR-126 and miR-155. This study demonstrated that MALAT1 could respectively sponge the expression of miR-30e, miR-126 and miR-155. And miR-30e, miR-126 and miR-155 respectively targeted CRP, HPSE and EDN1 negatively. Moreover, MALAT1 could function as an effective biomarker of no-reflow phenomenon in STEMI patients receiving pPCI.
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Litke C, Hagenston AM, Kenkel AK, Paldy E, Lu J, Kuner R, Mauceri D. Organic anion transporter 1 is an HDAC4-regulated mediator of nociceptive hypersensitivity in mice. Nat Commun 2022; 13:875. [PMID: 35169129 PMCID: PMC8847565 DOI: 10.1038/s41467-022-28357-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Accepted: 01/17/2022] [Indexed: 01/26/2023] Open
Abstract
Persistent pain is sustained by maladaptive changes in gene transcription resulting in altered function of the relevant circuits; therapies are still unsatisfactory. The epigenetic mechanisms and affected genes linking nociceptive activity to transcriptional changes and pathological sensitivity are unclear. Here, we found that, among several histone deacetylases (HDACs), synaptic activity specifically affects HDAC4 in murine spinal cord dorsal horn neurons. Noxious stimuli that induce long-lasting inflammatory hypersensitivity cause nuclear export and inactivation of HDAC4. The development of inflammation-associated mechanical hypersensitivity, but neither acute nor basal sensitivity, is impaired by the expression of a constitutively nuclear localized HDAC4 mutant. Next generation RNA-sequencing revealed an HDAC4-regulated gene program comprising mediators of sensitization including the organic anion transporter OAT1, known for its renal transport function. Using pharmacological and molecular tools to modulate OAT1 activity or expression, we causally link OAT1 to persistent inflammatory hypersensitivity in mice. Thus, HDAC4 is a key epigenetic regulator that translates nociceptive activity into sensitization by regulating OAT1, which is a potential target for pain-relieving therapies. Chronic pain is sustained by alterations in gene transcription. Here, the authors show that increased expression of Organic Anionic Transporter 1 in the spinal cord is epigenetically controlled and key to hypersensitivity in pathological pain.
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Affiliation(s)
- Christian Litke
- Department of Neurobiology, Interdisciplinary Center for Neurosciences (IZN), Heidelberg University, INF 366, 69120, Heidelberg, Germany
| | - Anna M Hagenston
- Department of Neurobiology, Interdisciplinary Center for Neurosciences (IZN), Heidelberg University, INF 366, 69120, Heidelberg, Germany
| | - Ann-Kristin Kenkel
- Department of Neurobiology, Interdisciplinary Center for Neurosciences (IZN), Heidelberg University, INF 366, 69120, Heidelberg, Germany
| | - Eszter Paldy
- Institute of Pharmacology, Heidelberg University, INF 366, 69120, Heidelberg, Germany
| | - Jianning Lu
- Institute of Pharmacology, Heidelberg University, INF 366, 69120, Heidelberg, Germany
| | - Rohini Kuner
- Institute of Pharmacology, Heidelberg University, INF 366, 69120, Heidelberg, Germany
| | - Daniela Mauceri
- Department of Neurobiology, Interdisciplinary Center for Neurosciences (IZN), Heidelberg University, INF 366, 69120, Heidelberg, Germany.
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Jiang Q. Metabolism of natural forms of vitamin E and biological actions of vitamin E metabolites. Free Radic Biol Med 2022; 179:375-387. [PMID: 34785321 PMCID: PMC9018116 DOI: 10.1016/j.freeradbiomed.2021.11.012] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 10/29/2021] [Accepted: 11/01/2021] [Indexed: 12/12/2022]
Abstract
Natural forms of vitamin E comprise four tocopherols and four tocotrienols. During the last twenty years, there have been breakthroughs in our understanding of vitamin E metabolism and biological activities of vitamin E metabolites. Research has established that tocopherols and tocotrienols are metabolized via ω-hydroxylase (CYP4F2)-initiated side chain oxidation to form 13'-hydroxychromanol and 13'-carobyxychromanol (13'-COOH). 13'-COOHs are further metabolized via β-oxidation and sulfation to intermediate carboxychromanols, terminal metabolite carboxyethyl-hydroxychroman (CEHC), and sulfated analogs. Animal and human studies show that γ-, δ-tocopherol and tocotrienols are more extensively metabolized than α-tocopherol (αT), as indicated by higher formation of CEHCs and 13'-COOHs from non-αT forms than those from αT. 13'-COOHs are shown to be inhibitors of cyclooxygenase-1/-2 and 5-lipoxygenase and much stronger than CEHCs for these activities. 13'-COOHs inhibit cancer cell growth, modulate cellular lipids and activate peroxisome proliferator-activated receptor-γ and pregnane X receptor. Consistent with mechanistic findings, αT-13'-COOH or δTE-13'-COOH, respective metabolites of αT or δ-tocotrienol, show anti-inflammatory and cancer-preventive effects, modulates the gut microbiota and prevents β-amyloid formation in mice. Therefore, 13'-COOHs are a new class of bioactive compounds with anti-inflammatory and anti-cancer activities and potentially capable of modulating lipid and drug metabolism. Based on the existing evidence, this author proposes that metabolites may contribute to disease-preventing effects of γ-, δ-tocopherol and tocotrienols. The role of metabolites in αT's actions may be somewhat limited considering controlled metabolism of αT because of its association with tocopherol-transport protein and less catabolism by CYP4F2 than other vitamin E forms.
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Affiliation(s)
- Qing Jiang
- Department of Nutrition Science, Purdue University, IN, 47907, West Lafayette, USA.
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