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Ye J, Meng Q, Jin K, Luo Y, Yue T. Phage cocktail alleviated type 2 diabetes by reshaping gut microbiota and decreasing proinflammatory cytokines. Appl Microbiol Biotechnol 2024; 108:9. [PMID: 38159123 DOI: 10.1007/s00253-023-12912-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 10/22/2023] [Accepted: 10/30/2023] [Indexed: 01/03/2024]
Abstract
Type 2 diabetes (T2D), a global health concern, is closely associated with the gut microbiota. Restoration of a balanced microbiota and intestinal homeostasis benefit therapy of T2D. Some special phages may selectively alter the gut microbiota without causing dysbiosis, such as MS2 and P22. However, scarcely systematic analysis of cascading effects triggered by MS2 and P22 phages on the microbiota, as well as interactions between specific gut bacteria and systemic metabolism, seriously inhibit the development of positive interventions of phages. Based on multi-omic analysis, we analyzed the intrinsic correlations among specific microbiota, their bioactive metabolites, and key indicators of T2D. We found that gavage of the MS2-P22 phage cocktail could significantly alter the gut microbiome to attenuate dysbiosis of diabetic C57BL/6 mice caused by high-fat diets (HFDs) and streptozotocin (STZ), by affecting microbial compositions as well as their metabolic pathways and metabolites, especially increasing amounts of short-chain fatty acid-producing (SCFA-producing) bacteria (e.g., Blautia and Romboutsia) and short-chain fatty acids (SCFAs). Correspondingly, a noteworthy reduction in the number of several opportunistic pathogens occurred, e.g., Candidatus Saccharimonas, Aerococcus, Oscillibacter, Desulfovibrio, and Clostridium sensu stricto 1. Synchronously, the levels of proinflammatory cytokines and lipopolysaccharide (LPS) were reduced to recover gut barrier function in T2D mice. These findings might benefit the development of a new dietary intervention for T2D based on phage cocktails. KEY POINTS: • Intestinal barrier integrity of T2D mice is improved by a phage cocktail • Negative relationship between Muribaculaceae and Corynebacterium reshaped gut microbiota • Acetate, propionate, and butyrate decreased the level of proinflammatory factors.
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Affiliation(s)
- Jianming Ye
- College of Food Science and Technology, Northwest University, Xi'an, 710069, Shaanxi, China
| | - Qiang Meng
- College of Food Science and Technology, Northwest University, Xi'an, 710069, Shaanxi, China
| | - Kezhu Jin
- College of Food Science and Technology, Northwest University, Xi'an, 710069, Shaanxi, China
| | - Yane Luo
- College of Food Science and Technology, Northwest University, Xi'an, 710069, Shaanxi, China.
- Laboratory of Nutritional and Healthy Food-Individuation Manufacturing Engineering, Xi'an, 710069, Shaanxi, China.
- Research Center of Food Safety Risk Assessment and Control, Xi'an, 710069, Shaanxi, China.
| | - Tianli Yue
- College of Food Science and Technology, Northwest University, Xi'an, 710069, Shaanxi, China.
- Laboratory of Nutritional and Healthy Food-Individuation Manufacturing Engineering, Xi'an, 710069, Shaanxi, China.
- Research Center of Food Safety Risk Assessment and Control, Xi'an, 710069, Shaanxi, China.
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Ahmad F, Keshri V, Singh SK. ORF3a of SARS-CoV-2 modulates PI3K/AKT signaling in human lung epithelial cells via hsa-miR-155-5p. Int J Biol Macromol 2024; 268:131734. [PMID: 38653431 DOI: 10.1016/j.ijbiomac.2024.131734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 03/16/2024] [Accepted: 04/19/2024] [Indexed: 04/25/2024]
Abstract
SARS-CoV-2 infection results in cytokine burst, leading to proinflammatory responses in lungs of COVID-19 patients. SARS-CoV-2 ORF3a triggers the generation of proinflammatory cytokines. However, the underlying mechanism of dysregulation of proinflammatory responses is not well understood. We studied the role of microRNA in the generation of proinflammatory responses as a bystander effect of SARS-CoV-2 ORF3a in human lung epithelial cells. We observed upregulation of hsa-miR-155-5p in SARS-CoV-2 ORF3a transfected human lung epithelial cells, which led to the reduced expression of SHIP1. This resulted to phosphorylation of AKT and NF-κB, which further led to the increased expression of the proinflammatory cytokines IL-6 and TNF-α. Additionally, overexpression and knockdown studies of hsa-miR-155-5p were performed to confirm the role of hsa-miR-155-5p in the regulation of the SHIP1. We demonstrated that hsa-miR-155-5p modulates the proinflammatory response by activating the PI3K/AKT pathway through the inhibition of SHIP1 in SARS-CoV-2 ORF3a transfected human lung epithelial cells.
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Affiliation(s)
- Faiyaz Ahmad
- Molecular Biology Unit, Faculty of Medicine, Institute of Medical Sciences, Banaras Hindu University, Varanasi, U.P., India
| | - Vishal Keshri
- Molecular Biology Unit, Faculty of Medicine, Institute of Medical Sciences, Banaras Hindu University, Varanasi, U.P., India
| | - Sunit K Singh
- Molecular Biology Unit, Faculty of Medicine, Institute of Medical Sciences, Banaras Hindu University, Varanasi, U.P., India; Dr. B R Ambedkar Center for Biomedical Research (ACBR), University of Delhi, New Delhi 110007, India.
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İçen Taşkın I, Gürbüz S, Koç A, Kocabay S, Yolbaş S, Keser MF. The roles of SFKs in the regulation of proinflammatory cytokines and NLRP3 in familial mediterranean fever patients. Cytokine 2024; 179:156615. [PMID: 38640560 DOI: 10.1016/j.cyto.2024.156615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 04/02/2024] [Accepted: 04/09/2024] [Indexed: 04/21/2024]
Abstract
Familial Mediterranean Fever (FMF) is caused by mutations in pyrin, a protein produced in innate immune cells that regulates the development of interleukin (IL)-1β by interacting with caspase-1 and other components of inflammasomes. Although overexpression of proinflammatory cytokines have been observed in FMF patients, no studies have been conducted on the role of Src family kinases (SFKs). The purpose of this study was to examine the impact of SFKs on the modulation of IL-1β, IL-6, IL-8, TNF-α, and NLRP3 inflammasome in patients with FMF. The study included 20 FMF patients and 20 controls. Peripheral blood mononuclear cells (PBMCs) were isolated by density gradient centrifugation. Protein expression levels of SFKs members were measured by western blot. The effect of lipopolysaccharide-induced (LPS) activation and PP2- induced inhibition of SFKs on NLRP3 and IL-1β, IL 6, IL-8, TNF-α were examined by western blot and flow cytometry respectively. Patients with FMF have considerably greater levels of Lck expression. In addition, patients had a substantially greater basal level of NLRP3 than the control group (*p = 0.016). Most importantly, the levels of IL-1 β were elevated with LPS stimulation and reduced with PP2 inhibition in FMF patients. These results suggest that SFKs are effective in regulation of IL-1 β in FMF patients.
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Affiliation(s)
- Irmak İçen Taşkın
- Department of Molecular Biology and Genetics, Faculty of Science and Art, Inonu University, Malatya, Turkey.
| | - Sevim Gürbüz
- Department of Molecular Biology and Genetics, Faculty of Science and Art, Inonu University, Malatya, Turkey
| | - Ahmet Koç
- Department of Genetics, Faculty of Medicine, Inonu University, Malatya, Turkey
| | - Samet Kocabay
- Department of Molecular Biology and Genetics, Faculty of Science and Art, Inonu University, Malatya, Turkey
| | - Servet Yolbaş
- Department of Rheumatology, Faculty of Medicine, Inonu University, Malatya, Turkey
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Begga A, Mehaoudi RI, Ghozlani A, Azzoug S, Soltani Y. The risk of metabolic syndrome is associated with vitamin D and inflammatory status in premenopausal and postmenopausal Algerian women. Ir J Med Sci 2024; 193:615-626. [PMID: 37702977 DOI: 10.1007/s11845-023-03516-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Accepted: 09/04/2023] [Indexed: 09/14/2023]
Abstract
BACKGROUND This first cross-sectional study examined whether vitamin D status and proinflammatory cytokines may be associated with metabolic syndrome (MetS) in Algerian women regarding their menopausal status. METHODS Fasting plasma glucose (FPG), lipids, insulin, 25(OH)D, PTH, adiponectin, resistin, TNFα, and IL-6 levels were assessed in 277 participants aged 18-74 years. MetS was diagnosed according to NCEP-ATPIII criteria. The association of vitamin D deficiency, IL-6, and TNFα with components of MetS was analyzed by the logistic regression. RESULTS Among a cohort of 277 participants, the prevalence of MetS in 115 premenopausal vs. 162 postmenopausal women was 54.02 vs. 68.1%. Cut-offs for vitamin D deficiency were 15.7 vs. 13 ng/mL, 51.07 vs. 41 pg/mL for IL-6 and 8.28 vs. 9.33 pg/mL for TNFα, respectively. 25(OH)D levels were positively correlated with adiponectin levels, while negatively with HOMA-IR in postmenopausal-MS + women. Adjustment for age and BMI reveals a significant association between vitamin deficiency and high FPG (OR: 2.92 vs. 2.90), TG (OR:2.79 vs. 3.51), BP (OR:2.20 vs. 1.92), and low HDL-c (OR:2.26 vs. 3.42), respectively. A significant association was also detected in postmenopausal women between IL-6 and high FPG (OR5.11, p = 0.03), BP (OR:3.13, p = 0.04), and low HDL-c (OR5.01, p = 0.02), while TNFα was associated with high BP in postmenopausal women (OR: 3.70, p = 0.01), and inversely with TG in premenopausal women (OR: 0.16, p = 0.04). CONCLUSION This study highlighted that severe vitamin D deficiency increases MetS score and was closely associated with four components of MetS, more potently in postmenopausal women, probably related with estrogens. Abdominal obesity, as influential component of MetS, may be involved in enhancing vitamin D deficiency, and dysregulating some metabolic hormones such as adiponectin, resistin and insulin, that contributes in onset an inflammatory state, through the increase in IL-6 and TNFα levels. These findings need to be improved by expanding investigation to a large cohort of participants.
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Affiliation(s)
- Asma Begga
- Endocrinology team, Laboratory of Biology and Physiology, Faculty of Biological Sciences, USTHB, DZ-16111, Algiers, Algeria
| | - Rym-Ikram Mehaoudi
- Endocrinology team, Laboratory of Biology and Physiology, Faculty of Biological Sciences, USTHB, DZ-16111, Algiers, Algeria
| | - Amel Ghozlani
- Endocrinology team, Laboratory of Biology and Physiology, Faculty of Biological Sciences, USTHB, DZ-16111, Algiers, Algeria
| | - Said Azzoug
- Unit of Clinical Endocrinology, IBN ZIRI Hospital, DZ-16082, Algiers, Algeria
- Department of Diabetology, Mustapha Bacha University Hospital Center, DZ-16000, Algiers, Algeria
| | - Yacine Soltani
- Endocrinology team, Laboratory of Biology and Physiology, Faculty of Biological Sciences, USTHB, DZ-16111, Algiers, Algeria.
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Charoensaensuk V, Huang BR, Huang ST, Lin C, Xie SY, Chen CW, Chen YC, Cheng HT, Liu YS, Lai SW, Shen CK, Lin HJ, Yang LY, Lu DY. LPS priming-induced immune tolerance mitigates LPS-stimulated microglial activation and social avoidance behaviors in mice. J Pharmacol Sci 2024; 154:225-235. [PMID: 38485340 DOI: 10.1016/j.jphs.2024.02.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 02/07/2024] [Accepted: 02/09/2024] [Indexed: 03/19/2024] Open
Abstract
In this study, we investigated the regulatory mechanisms underlying the effects of LPS tolerance on the inflammatory homeostasis of immune cells. LPS priming-induced immune tolerance downregulated cyclooxygenase-2, and lowered the production of prostaglandin-E2 in microglial cells. In addition, LPS tolerance downregulated the expression of suppressor of cytokine signaling 3, and inducible nitric oxide synthase/nitric oxide; suppressed the LPS-mediated induction of tumor necrosis factor-α, interleukin (IL)-6, and IL-1; and reduced reactive oxygen species production in microglial cells. LPS stimulation increased the levels of the adaptive response-related proteins heme oxygenase-1 and superoxide dismutase 2, and the levels of heme oxygenase-1 (HO-1) enhanced after LPS priming. Systemic administration of low-dose LPS (0.5 mg/kg) to mice for 4 consecutive days attenuated high-dose LPS (5 mg/kg)-induced inflammatory response, microglial activation, and proinflammatory cytokine expression. Moreover, repeated exposure to low-dose LPS suppressed the recruitment of peripheral monocytes or macrophages to brain regions and downregulated the expression of proinflammatory cytokines. Notably, LPS-induced social avoidance behaviors in mice were mitigated by immune tolerance. In conclusion, immune tolerance may reduce proinflammatory cytokine expression and reactive oxygen species production. Our findings provide insights into the effects of endotoxin tolerance on innate immune cells and social behaviors.
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Affiliation(s)
- Vichuda Charoensaensuk
- Department of Pharmacology, School of Medicine, China Medical University, Taichung, Taiwan
| | - Bor-Ren Huang
- Department of Neurosurgery, Taichung Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Taichung, Taiwan; School of Medicine, Tzu Chi University, Hualien, Taiwan
| | - Sian-Ting Huang
- Department of Pharmacology, School of Medicine, China Medical University, Taichung, Taiwan
| | - Chingju Lin
- Department of Physiology, School of Medicine, China Medical University, Taichung, 404328, Taiwan
| | - Sheng-Yun Xie
- Department of Pharmacology, School of Medicine, China Medical University, Taichung, Taiwan
| | - Chao-Wei Chen
- Institute of New Drug Development, China Medical University, Taichung, Taiwan
| | - Yen-Chang Chen
- Institute of New Drug Development, China Medical University, Taichung, Taiwan
| | - Han-Tsung Cheng
- Department of Surgery, China Medical University Hospital, Taichung, Taiwan
| | - Yu-Shu Liu
- Department of Pharmacology, School of Medicine, China Medical University, Taichung, Taiwan
| | - Sheng-Wei Lai
- Department of Pharmacology, School of Medicine, China Medical University, Taichung, Taiwan
| | - Ching-Kai Shen
- Graduate Institute of Biomedical Science, China Medical University, Taichung, Taiwan
| | - Hui-Jung Lin
- Department of Pharmacology, School of Medicine, China Medical University, Taichung, Taiwan
| | - Liang-Yo Yang
- Department of Physiology, School of Medicine, China Medical University, Taichung, 404328, Taiwan; Laboratory for Neural Repair, China Medical University Hospital, Taichung, 404327, Taiwan; Biomedical Technology R&D Center, China Medical University Hospital, Taichung, 404327, Taiwan.
| | - Dah-Yuu Lu
- Department of Pharmacology, School of Medicine, China Medical University, Taichung, Taiwan; Department of Photonics and Communication Engineering, Asia University, Taichung, Taiwan.
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Schiavone MJ, Pérez MP, Aquieri A, Nosetto D, Pronotti MV, Mazzei M, Kudrle C, Avaca H. The Role of Obesity in the Development of Preeclampsia. Curr Hypertens Rep 2024:10.1007/s11906-024-01299-z. [PMID: 38512586 DOI: 10.1007/s11906-024-01299-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/26/2024] [Indexed: 03/23/2024]
Abstract
PURPOSE OF REVIEW This comprehensive review provides an in-depth exploration of the complex relationship between obesity and preeclampsia (PE) and emphasizes the clinical implications of this association. It highlights the crucial role of screening tools in assessing individual risk and determining the need for additional antenatal care among women with obesity. The review investigates various markers for identifying the risk of developing PE, while emphasizing the significance of interventions such as exercise, weight management, and a balanced diet in reducing the incidence of preeclampsia and improving outcomes for both mother and fetus. RECENT FINDINGS Actually, there is a global pandemic of obesity, particularly among women of childbearing age and pregnant women. PE, which is characterized by maternal hypertension, proteinuria, and complications, affects 2-4% of pregnancies worldwide, posing significant risks to maternal and perinatal health. Women with obesity face an elevated risk of developing PE due to the systemic inflammation resulting from excess adiposity, which can adversely affect placental development. Adipose tissue, rich in proinflammatory cytokines and complement proteins, contributes to the pathogenesis of PE by promoting the expression of antiangiogenic factors in the mother. This review emphasizes the need for appropriate screening, interventions, and a holistic approach to reduce the incidence of preeclampsia and enhance maternal-fetal well-being, thus providing valuable insights into the multifaceted association between obesity and PE.
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Affiliation(s)
- Miguel Javier Schiavone
- Department of Hypertension, Hospital Británico de Buenos Aires, Solís 2184 - C 1134 ADT - CABA, Ciudad Autónoma de Buenos Aires, Argentina.
| | - Mariana Paula Pérez
- Department of Hypertension, Hospital de Agudos J. M. Ramos Mejía, Ciudad Autónoma de Buenos Aires, Argentina
| | - Analía Aquieri
- Department of Hypertension, Hospital de Clínicas José de San Martín, Ciudad Autónoma de Buenos Aires, Argentina
| | - Daniela Nosetto
- Department of Hypertension, Hospital Británico de Buenos Aires, Solís 2184 - C 1134 ADT - CABA, Ciudad Autónoma de Buenos Aires, Argentina
| | - María Victoria Pronotti
- Department of Hypertension, Hospital Británico de Buenos Aires, Solís 2184 - C 1134 ADT - CABA, Ciudad Autónoma de Buenos Aires, Argentina
| | - María Mazzei
- Department of Hypertension, Hospital Británico de Buenos Aires, Solís 2184 - C 1134 ADT - CABA, Ciudad Autónoma de Buenos Aires, Argentina
| | - Cyntia Kudrle
- Department of Hypertension, Hospital Británico de Buenos Aires, Solís 2184 - C 1134 ADT - CABA, Ciudad Autónoma de Buenos Aires, Argentina
| | - Horacio Avaca
- Department of Hypertension, Hospital Británico de Buenos Aires, Solís 2184 - C 1134 ADT - CABA, Ciudad Autónoma de Buenos Aires, Argentina
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Omotayo OP, Lemmer Y, Mason S. A narrative review of the therapeutic and remedial prospects of cannabidiol with emphasis on neurological and neuropsychiatric disorders. J Cannabis Res 2024; 6:14. [PMID: 38494488 PMCID: PMC10946130 DOI: 10.1186/s42238-024-00222-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 02/29/2024] [Indexed: 03/19/2024] Open
Abstract
BACKGROUND The treatment of diverse diseases using plant-derived products is actively encouraged. In the past few years, cannabidiol (CBD) has emerged as a potent cannabis-derived drug capable of managing various debilitating neurological infections, diseases, and their associated complications. CBD has demonstrated anti-inflammatory and curative effects in neuropathological conditions, and it exhibits therapeutic, apoptotic, anxiolytic, and neuroprotective properties. However, more information on the reactions and ability of CBD to alleviate brain-related disorders and the neuroinflammation that accompanies them is needed. MAIN BODY This narrative review deliberates on the therapeutic and remedial prospects of CBD with an emphasis on neurological and neuropsychiatric disorders. An extensive literature search followed several scoping searches on available online databases such as PubMed, Web of Science, and Scopus with the main keywords: CBD, pro-inflammatory cytokines, and cannabinoids. After a purposive screening of the retrieved papers, 170 (41%) of the articles (published in English) aligned with the objective of this study and retained for inclusion. CONCLUSION CBD is an antagonist against pro-inflammatory cytokines and the cytokine storm associated with neurological infections/disorders. CBD regulates adenosine/oxidative stress and aids the downregulation of TNF-α, restoration of BDNF mRNA expression, and recovery of serotonin levels. Thus, CBD is involved in immune suppression and anti-inflammation. Understanding the metabolites associated with response to CBD is imperative to understand the phenotype. We propose that metabolomics will be the next scientific frontier that will reveal novel information on CBD's therapeutic tendencies in neurological/neuropsychiatric disorders.
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Affiliation(s)
- Oluwadara Pelumi Omotayo
- Human Metabolomics, Faculty of Natural and Agricultural Sciences, North-West University, Potchefstroom, South Africa
| | - Yolandy Lemmer
- Council for Scientific and Industrial Research (CSIR), Next Generation Health, Pretoria, South Africa
- Preclinical Drug Development Platform, Faculty of Health Sciences, North-West University, Potchefstroom, South Africa
| | - Shayne Mason
- Human Metabolomics, Faculty of Natural and Agricultural Sciences, North-West University, Potchefstroom, South Africa.
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Nazemi S, Helmi M, Kafami M, Amin B, Mojadadi MS. Preemptive administration of mesenchymal stem cells-derived conditioned medium can attenuate the development of neuropathic pain in rats via downregulation of proinflammatory cytokines. Behav Brain Res 2024; 461:114858. [PMID: 38211775 DOI: 10.1016/j.bbr.2024.114858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 12/15/2023] [Accepted: 01/06/2024] [Indexed: 01/13/2024]
Abstract
Neuropathic pain (NP) is a chronic condition characterized by persistent pain following nerve injury. It is a challenging clinical problem to manage due to limited treatment options. Mesenchymal stem cells (MSCs)-derived conditioned medium (CM) is a cell-free product that contains the secretome of MSCs and has been shown to have therapeutic potential in various inflammatory and degenerative disorders. Several animal studies have examined the antinociceptive effects of MSCs-CM on established neuropathic pain, but none have investigated the early prevention of neuropathic pain using MSCs-CM. Therefore, in this study, we tested whether preemptive administration of MSCs-CM could attenuate the development of NP in rats. To this end, NP was induced in Wistar rats using a chronic constriction injury (CCI) model (day 0), and then the animals were divided into four groups: Sham, CCI, CCI-Dulbecco's Modified Eagle Medium (DMEM), and CCI-CM. The CCI-CM group received 1 ml intraperitoneal administration of MSCs-CM on days - 1, 1, and 2, while the Sham, CCI, and CCI-DMEM groups received vehicle only (normal saline or DMEM). Mechanical withdrawal threshold and thermal withdrawal latency were assessed to evaluate pain sensitivities. In addition, the expression levels of proinflammatory cytokines (TNF-α and IL-1β) in the spinal cord tissues were measured using quantitative real-time PCR (qRT-PCR). The results demonstrated that preemptive treatment with MSCs-CM can significantly attenuate the development of NP, as evidenced by improved mechanical withdrawal threshold and thermal withdrawal latency in the CCI-CM group compared to the CCI and CCI-DMEM groups. Furthermore, the relative gene expression of proinflammatory cytokines TNF-α and IL-1β were significantly decreased in the spinal cord tissues of the CCI-CM group compared to the control groups. These findings suggest that preemptive administration of MSCs-CM can attenuate the development of NP in rats, partly due to the downregulation of proinflammatory cytokines.
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Affiliation(s)
- Samad Nazemi
- Department of Physiology and Pharmacology, School of Medical Sciences, Sabzevar University of Medical Sciences, Sabzevar, Iran; Cellular and Molecular Research Center, Sabzevar University of Medical Sciences, Sabzevar, Iran
| | - Mahtab Helmi
- Student Research Committee, Sabzevar University of Medical Sciences, Sabzevar, Iran
| | - Marzieh Kafami
- Department of Physiology and Pharmacology, School of Medical Sciences, Sabzevar University of Medical Sciences, Sabzevar, Iran
| | - Bahareh Amin
- Department of Physiology and Pharmacology, School of Medical Sciences, Sabzevar University of Medical Sciences, Sabzevar, Iran
| | - Mohammad-Shafi Mojadadi
- Department of Immunology, School of Medicine, Sabzevar University of Medical Sciences, Sabzevar, Iran.
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Xu J, Sun Y, You Y, Zhang Y, Huang D, Zhou S, Liu Y, Tong S, Ma F, Song Q, Dai C, Li S, Lei J, Wang Z, Gao X, Chen J. Bioorthogonal microglia-inspired mesenchymal stem cell bioengineering system creates livable niches for enhancing ischemic stroke recovery via the hormesis. Acta Pharm Sin B 2024; 14:1412-1427. [PMID: 38486994 PMCID: PMC10935060 DOI: 10.1016/j.apsb.2023.11.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Revised: 09/11/2023] [Accepted: 09/28/2023] [Indexed: 03/17/2024] Open
Abstract
Mesenchymal stem cells (MSCs) experience substantial viability issues in the stroke infarct region, limiting their therapeutic efficacy and clinical translation. High levels of deadly reactive oxygen radicals (ROS) and proinflammatory cytokines (PC) in the infarct milieu kill transplanted MSCs, whereas low levels of beneficial ROS and PC stimulate and improve engrafted MSCs' viability. Based on the intrinsic hormesis effects in cellular biology, we built a microglia-inspired MSC bioengineering system to transform detrimental high-level ROS and PC into vitality enhancers for strengthening MSC therapy. This system is achieved by bioorthogonally arming metabolic glycoengineered MSCs with microglial membrane-coated nanoparticles and an antioxidative extracellular protective layer. In this system, extracellular ROS-scavenging and PC-absorbing layers effectively buffer the deleterious effects and establish a micro-livable niche at the level of a single MSC for transplantation. Meanwhile, the infarct's inanimate milieu is transformed at the tissue level into a new living niche to facilitate healing. The engineered MSCs achieved viability five times higher than natural MSCs at seven days after transplantation and exhibited a superior therapeutic effect for stroke recovery up to 28 days. This vitality-augmented system demonstrates the potential to accelerate the clinical translation of MSC treatment and boost stroke recovery.
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Affiliation(s)
- Jianpei Xu
- Shanghai Pudong Hospital & Department of Pharmaceutics, School of Pharmacy, Fudan University, Shanghai 201203, China
- Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Yinzhe Sun
- Shanghai Pudong Hospital & Department of Pharmaceutics, School of Pharmacy, Fudan University, Shanghai 201203, China
- Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Yang You
- Shanghai Pudong Hospital & Department of Pharmaceutics, School of Pharmacy, Fudan University, Shanghai 201203, China
- Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Yuwen Zhang
- Institute of Science and Technology for Brain-Inspired Intelligence & Department of Neurology, Fudan University, Shanghai 201203, China
| | - Dan Huang
- Department of Rehabilitation Medicine, Huashan Hospital, Fudan University, Shanghai 201203, China
| | - Songlei Zhou
- Shanghai Pudong Hospital & Department of Pharmaceutics, School of Pharmacy, Fudan University, Shanghai 201203, China
- Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Yipu Liu
- Shanghai Pudong Hospital & Department of Pharmaceutics, School of Pharmacy, Fudan University, Shanghai 201203, China
- Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Shiqiang Tong
- Shanghai Pudong Hospital & Department of Pharmaceutics, School of Pharmacy, Fudan University, Shanghai 201203, China
- Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Fenfen Ma
- Shanghai Pudong Hospital & Department of Pharmaceutics, School of Pharmacy, Fudan University, Shanghai 201203, China
- Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Qingxiang Song
- Department of Pharmacology and Chemical Biology, State Key Laboratory of Oncogenes and Related Genes, Shanghai Universities Collaborative Innovation Center for Translational Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Chengxiang Dai
- Daxing Research Institute, University of Science and Technology Beijing, Biomedical Industry Base, Zhongguancun Science and Technology Park, Beijing 102600, China
- Cellular Biomedicine Group Inc., Shanghai 201210, China
| | - Suke Li
- Daxing Research Institute, University of Science and Technology Beijing, Biomedical Industry Base, Zhongguancun Science and Technology Park, Beijing 102600, China
- Cellular Biomedicine Group Inc., Shanghai 201210, China
| | - Jigang Lei
- Daxing Research Institute, University of Science and Technology Beijing, Biomedical Industry Base, Zhongguancun Science and Technology Park, Beijing 102600, China
- Cellular Biomedicine Group Inc., Shanghai 201210, China
| | - Zhihua Wang
- Department of Emergency, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai 201399, China
| | - Xiaoling Gao
- Department of Pharmacology and Chemical Biology, State Key Laboratory of Oncogenes and Related Genes, Shanghai Universities Collaborative Innovation Center for Translational Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Jun Chen
- Shanghai Pudong Hospital & Department of Pharmaceutics, School of Pharmacy, Fudan University, Shanghai 201203, China
- Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Shanghai 201203, China
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10
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Borreca A, Mantovani C, Desiato G, Corradini I, Filipello F, Elia CA, D'Autilia F, Santamaria G, Garlanda C, Morini R, Pozzi D, Matteoli M. Loss of interleukin 1 signaling causes impairment of microglia- mediated synapse elimination and autistic-like behaviour in mice. Brain Behav Immun 2024; 117:493-509. [PMID: 38307446 DOI: 10.1016/j.bbi.2024.01.221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 01/11/2024] [Accepted: 01/25/2024] [Indexed: 02/04/2024] Open
Abstract
In the last years, the hypothesis that elevated levels of proinflammatory cytokines contribute to the pathogenesis of neurodevelopmental diseases has gained popularity. IL-1 is one of the main cytokines found to be elevated in Autism spectrum disorder (ASD), a complex neurodevelopmental condition characterized by defects in social communication and cognitive impairments. In this study, we demonstrate that mice lacking IL-1 signaling display autistic-like defects associated with an excessive number of synapses. We also show that microglia lacking IL-1 signaling at early neurodevelopmental stages are unable to properly perform the process of synapse engulfment and display excessive activation of mammalian target of rapamycin (mTOR) signaling. Notably, even the acute inhibition of IL-1R1 by IL-1Ra is sufficient to enhance mTOR signaling and reduce synaptosome phagocytosis in WT microglia. Finally, we demonstrate that rapamycin treatment rescues the defects in IL-1R deficient mice. These data unveil an exclusive role of microglial IL-1 in synapse refinement via mTOR signaling and indicate a novel mechanism possibly involved in neurodevelopmental disorders associated with defects in the IL-1 pathway.
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Affiliation(s)
- Antonella Borreca
- Institute of Neuroscience (IN-CNR), Consiglio Nazionale delle Ricerche, Milan, Italy; IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Milan, Italy
| | - Cristina Mantovani
- IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Milan, Italy; Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, 20072 Pieve Emanuele, Milan, Italy
| | - Genni Desiato
- IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Milan, Italy
| | - Irene Corradini
- Institute of Neuroscience (IN-CNR), Consiglio Nazionale delle Ricerche, Milan, Italy; IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Milan, Italy
| | - Fabia Filipello
- IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Milan, Italy
| | - Chiara Adriana Elia
- IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Milan, Italy
| | - Francesca D'Autilia
- IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Milan, Italy
| | - Giulia Santamaria
- IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Milan, Italy
| | - Cecilia Garlanda
- IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Milan, Italy; Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, 20072 Pieve Emanuele, Milan, Italy
| | - Raffaella Morini
- IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Milan, Italy
| | - Davide Pozzi
- IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Milan, Italy; Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, 20072 Pieve Emanuele, Milan, Italy.
| | - Michela Matteoli
- Institute of Neuroscience (IN-CNR), Consiglio Nazionale delle Ricerche, Milan, Italy; IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Milan, Italy.
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11
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Shi QS, Jiang X, Li M, Fang J, Fu Z, Zhu S, Wu C, Meng Q, Jie T, Askar M. Microvascular activation and exocytosis after exposure to the serum from mismatched recipients by using donor microvascular cultures. Transpl Immunol 2024; 82:101963. [PMID: 38013122 DOI: 10.1016/j.trim.2023.101963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 11/18/2023] [Accepted: 11/20/2023] [Indexed: 11/29/2023]
Abstract
BACKGROUND Microvascular injury resulting from activation and exocytosis are early signs of tissue damage caused by allografting. However, humoral anti-graft reactions are not easily detectable in transplant biopsies. The aim of this study was to establish a bioassay to recapitulate this process in a prospective approach. METHODS The study was executed by using our previously established protocol to isolate and freeze the donors' microvascular endothelial cells (MVEC) at the transplantation (34 living-related donors and 26 cadaver donors); and to collect sera from the recipients before the transplantation, one-, three- and six-months after transplantation. The activation and exocytosis of the MVEC were determined by incubating the donors' cultures with the recipients' sera. We determined if there was any endothelial activation by quantifying the releases of monocyte chemotactic protein-1 (MCP-1) and interleukin 8 (IL-8) in supernatants and the expressions of membrane intercellular adhesion molecule-1 (CD54) and intercellular adhesion molecule-1 (CD106) by flow cytometry. Endothelial exocytosis was determined by quantifying soluble E-selectin (CD62E) and cytoplasmic von Willebrand Factor (vWF) in supernatants. Endothelial activation or exocytosis was considered positive when the fold change (≧1.5) of post-transplantation to pre-transplantation was reached. We also monitored serum PRA and cytokines using Luminex multiple-plex and cytometric bead-based assay respectively. RESULTS We found 41.2% recipients (14 out of 34, ranging from 1.5 to 5.2 folds, p < 0.05) exhibited positive MVEC activation in the first month after transplantation as determined by IL-8 levels; 26.5% recipients (9 out of 34, ranging from 1.5 to 11.8 folds, p < 0.05) by MCP-1 levels. In the group of three months post-transplantation, 70.6% patients were positive (12 out of 17, ranging from 1.8 to 87.1 folds, p < 0.05) by IL-8 increased levels; 24% recipients (4 out of 17, ranging from 1.8 to 50.5 folds, p < 0.05) measured by MCP-1 levels. However, these changes disappeared six months after transplantation. Flow cytometric data showed that a time-dependent of CD54+ and CD106+ expressions existed over the course of six months. Most CD54+ and CD106+ cells were CD31- (platelet-endothelial cell adhesion molecule-1), though CD31+/CD106+ (37.5%, 3 out of 8) and CD31+/CD106+ (25%. 2 out of 8) were seen. When comparing donor MVEC activation to their recipient's proinflammatory cytokine levels or PRA status, we could not draw a conclusion regarding the connections between them. The sera collected from recipients at either one- or three-months after allografting did not significantly induce the release of either soluble CD62E or vWF (p > 0.05), indicating exocytosis was not significantly involved in the acute phase of allografting. CONCLUSIONS This bioassay enables us to detect the activation and exocytosis of donor MVEC elicited by respective sera from mismatched kidney recipients.
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Affiliation(s)
- Qiang Sebastian Shi
- Minnie & Max T. Voelcker Laboratory, Tianjin International Joint Academy of Bio-medicine, S1515 Room, 220 Dongting Road, TEDA, Tianjin, China; Minnie & Max T. Voelcker Laboratory (Suzhou), 1304 Room No. 1 Building, 399 Xiarong Street, Wujiang District, Suzhou, China.
| | - Xin Jiang
- Department of Organ Transplantation, The Fifth Medical College of Henan University of Chinese Medicine, 33 Huanghe Road, Zhengzhou, Henan Province, China.
| | - Ming Li
- Department of Organ Transplantation, The Fifth Medical College of Henan University of Chinese Medicine, 33 Huanghe Road, Zhengzhou, Henan Province, China
| | - Jun Fang
- Department of Organ Transplantation, The Fifth Medical College of Henan University of Chinese Medicine, 33 Huanghe Road, Zhengzhou, Henan Province, China
| | - Zhiqiang Fu
- The Eco-City Hospital of Tianjin Fifth Central Hospital, 3333 He-Chang Road, Eco-City, Tianjin 300367, China
| | - Shengyi Zhu
- Minnie & Max T. Voelcker Laboratory (Suzhou), 1304 Room No. 1 Building, 399 Xiarong Street, Wujiang District, Suzhou, China.
| | - Chengyu Wu
- Transplant Immunology Laboratory, Central Texas Baylor Scott & White Health, 2401 South 31st Street, Temple, TX 76508, USA.
| | - Qianghe Meng
- Department of Surgery, Upstate Medical University, 750 East Adams Street, Syracuse, NY 13210, USA.
| | - Tun Jie
- Transplant Immunology Laboratory, Central Texas Baylor Scott & White Health, 2401 South 31st Street, Temple, TX 76508, USA.
| | - Medhat Askar
- Transplant Immunology, Baylor University Medical Center, 3500 Gaston Ave, 4th Floor of the Y Wing, RM# L-0470, Dallas, TX 75246, USA.
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12
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Pinto KP, Fidalgo TKDS, de Lima CO, Lopes RT, Freitas-Fernandes LB, Valente AP, Sassone LM, Silva EJNL. Chronic alcohol and nicotine consumption as catalyst for systemic inflammatory storm and bone destruction in apical periodontitis. Int Endod J 2024; 57:178-194. [PMID: 37966374 DOI: 10.1111/iej.13994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 09/04/2023] [Accepted: 10/20/2023] [Indexed: 11/16/2023]
Abstract
AIM To assess the periapical alveolar bone pattern and the serum levels of proinflammatory cytokines, biochemical markers and metabolites in rats subjected to chronic alcohol and nicotine consumption and induced apical periodontitis. METHODOLOGY Twenty-eight male Wistar rats were divided into four groups: Control, Alcohol, Nicotine and Alcohol+Nicotine. The alcohol groups were exposed to self-administration of a 25% alcohol solution, while the other groups were given only filtered water. The nicotine groups received daily intraperitoneal injections of a nicotine solution (0.19 μL of nicotine/mL), whereas the other groups received saline solution. Periapical lesions were induced by exposing the pulps of the left mandibular first molars for 28 days. After euthanasia, the mandibles were removed and the percentage bone volume, bone mineral density, trabecular thickness, trabecular separation and trabecular number of the periapical bone were measured using micro-computed tomography images. Serum samples were collected for analysis of proinflammatory cytokines (IL-1β, IL-4, IL-6 and TNF-α), biochemical and metabolomic analysis. Statistical analysis was performed with a significance level of 5%. Nonparametric data were analysed using the Kruskal-Wallis test followed by Dunn's test, while one-way anova followed by Tukey's test was performed for parametric data. RESULTS The groups exposed to alcohol or nicotine consumption exhibited an altered bone pattern indicating lower bone density and higher levels of IL-1β, IL-6 and TNF-α compared to the Control group (p < .05). Significant differences were observed among the groups in the levels of aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphatase, cholesterol, triglycerides, urea, creatinine, albumin, uric acid, bilirubin and calcium. Metabolomic analysis revealed significant differences in glycine, phosphocholine, lysine, lactate, valine, pyruvate and lipids (CH2 CH2 CO), n(CH2 ) and n(CH3 ). Most of these parameters were even more altered in the simultaneous consumption of both substances compared to single consumption. CONCLUSION Alcohol and nicotine chronic consumption altered several metabolic markers, impaired liver and kidney function, increased the production of systemic proinflammatory mediators and harmed the periapical bone microarchitecture in the presence of apical periodontitis. The simultaneous consumption of alcohol and nicotine intensified these detrimental effects.
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Affiliation(s)
- Karem Paula Pinto
- Department of Integrated Clinical Procedures, School of Dentistry, Rio de Janeiro State University (UERJ), Rio de Janeiro, Brazil
| | - Tatiana Kelly da Silva Fidalgo
- Department of Community and Preventive Dentistry, School of Dentistry, Rio de Janeiro State University (UERJ), Rio de Janeiro, Brazil
| | | | - Ricardo Tadeu Lopes
- Nuclear Engineering Program, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Liana Bastos Freitas-Fernandes
- National Center for Nuclear Magnetic Resonance, Medical Biochemistry, Rio de Janeiro Federal University, Rio de Janeiro, Brazil
| | - Ana Paula Valente
- National Center for Nuclear Magnetic Resonance, Medical Biochemistry, Rio de Janeiro Federal University, Rio de Janeiro, Brazil
| | - Luciana Moura Sassone
- Department of Integrated Clinical Procedures, School of Dentistry, Rio de Janeiro State University (UERJ), Rio de Janeiro, Brazil
| | - Emmanuel João Nogueira Leal Silva
- Department of Integrated Clinical Procedures, School of Dentistry, Rio de Janeiro State University (UERJ), Rio de Janeiro, Brazil
- Departament of Endodontics, Grande Rio University (UNIGRANRIO), Rio de Janeiro, Brazil
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13
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Zeng W, Liu G, Luan Q, Yang C, Luo X, Zhu Z, Yu X. Epstein-Barr Virus Promotes Inflammatory Cytokine Production in Human Gingival Fibroblasts. Int Dent J 2024:S0020-6539(23)00990-5. [PMID: 38228433 DOI: 10.1016/j.identj.2023.12.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 11/15/2023] [Accepted: 12/22/2023] [Indexed: 01/18/2024] Open
Abstract
BACKGROUND Periodontitis is one of the most common chronic oral inflammatory diseases. Over the past decade, herpes viruses, particularly Epstein-Barr virus (EBV), have been considered promising pathogenic candidates for periodontitis. However, the specific mechanism by which EBV contributes to the development of periodontitis is still unknown. This study aimed to explore the mechanism of EBV underlying the inflammatory response in human gingival fibroblasts (HGFs). MATERIALS AND METHODS HGFs were stimulated with different concentrations of EBV (104, 105, 106, 107, and 108 DNA copies/mL) for 0, 8, 24, or 48 hours. The mRNA levels of interleukin (IL)-1β, tumour necrosis factor-α (TNF-α), IL-8, monocyte chemoattractant protein-1 (MCP-1), and Toll-like receptor 9 (TLR9) were measured using quantitative real-time polymerase chain reaction (PCR). Enzyme-linked immunosorbent assays (ELISAs) were performed for determining the mRNA and protein levels of IL-1β, TNF-α, IL-8, and MCP-1. Real-time PCR and ELISA were performed to determine the protein levels of IL-1β, TNF-α, IL-8, and MCP-1. Activation of the TLR9/myeloid differentiation factor 88 (MyD88)/nuclear factor kappa B (NF-κB) pathway was evaluated using western blotting. RESULTS The expressions of IL-1β, TNF-α, IL-8, and MCP-1 were significantly upregulated in HGFs under EBV stimulation in a concentration- and time-dependent manner. EBV promoted TLR9 and MyD88 expression and induced NF-κB transcription. On the contrary, the upregulation of these factors and the activation of NF-κB pathway were drastically inhibited by TLR9 antagonists. CONCLUSIONS Our findings demonstrate that EBV promotes the production of inflammatory cytokines IL-1β and TNF-α and chemokines IL-8 and MCP-1 in HGFs through the TLR9/MyD88/NF-κB pathway.
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Affiliation(s)
- Wenmin Zeng
- Department of Periodontology, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases, Beijing, China
| | - Guojing Liu
- Department of Periodontology, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases, Beijing, China
| | - Qingxian Luan
- Department of Periodontology, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases, Beijing, China
| | - Chunyu Yang
- Department of Periodontology, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases, Beijing, China
| | - Xin Luo
- Department of Periodontology, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases, Beijing, China
| | - Zijun Zhu
- Department of Periodontology, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases, Beijing, China
| | - Xiaoqian Yu
- Department of Periodontology, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases, Beijing, China.
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14
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Vásquez-Suárez A, Ortega L, González-Chavarría I, Valenzuela A, Muñoz-Flores C, Altamirano C, Acosta J, Toledo JR. Agonistic effect of peptides derived from a truncated HMGB1 acidic tail sequence in TLR5 from Salmo salar. Fish Shellfish Immunol 2024; 144:109219. [PMID: 37952850 DOI: 10.1016/j.fsi.2023.109219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 10/24/2023] [Accepted: 11/07/2023] [Indexed: 11/14/2023]
Abstract
Based on the structural knowledge of TLR5 surface and using blind docking platforms, peptides derived from a truncated HMGB1 acidic tail from Salmo salar was designed as TLR5 agonistic. Additionally, a template peptide with the native N-terminal of the acidic tail sequence as a reference was included (SsOri). Peptide binding poses complexed on TLR5 ectodomain model from each algorithm were filtrated based on docking scoring functions and predicted theoretical binding affinity of the complex. The best peptides, termed 6WK and 5LWK, were selected for chemical synthesis and experimental functional assay. The agonist activity by immunoblotting and immunocytochemistry was determined following the NF-κBp65 phosphorylation (p-NF-κBp65) and the nuclear translocation of the NF-κBp65 subunit from the cytosol, respectively. HeLa cells stably expressing a S. salar TLR5 chimeric form (TLR5c7) showed increased p-NF-κBp65 levels regarding extracts from flagellin-treated cells. No statistically significant differences (p > 0.05) were found in the detected p-NF-κBp65 levels between cellular extracts treated with peptides or flagellin by one-way ANOVA. The image analysis of NF-κBp65 immunolabeled cells obtained by confocal microscopy showed increased nuclear NF-κBp65 co-localization in cells both 5LWK and flagellin stimulated, while 6WK and SsOri showed less effect on p65 nuclear translocation (p < 0.05). Also, an increased transcript expression profile of proinflammatory cytokines such as TNFα, IL-1β, and IL-8 in HKL cells isolated from Salmo salar was evidenced in 5LWK - stimulated by RT-PCR analysis. Overall, the result indicates the usefulness of novel peptides as a potential immunostimulant in S. salar.
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Affiliation(s)
- Aleikar Vásquez-Suárez
- Biotechnology and Biopharmaceuticals Laboratory, Departamento de Fisiopatología, Facultad de Ciencias Biológicas, Universidad de Concepción, Víctor Lamas 1290, Concepción, CP. 4030000, Chile
| | - Leonardo Ortega
- Biotechnology and Biopharmaceuticals Laboratory, Departamento de Fisiopatología, Facultad de Ciencias Biológicas, Universidad de Concepción, Víctor Lamas 1290, Concepción, CP. 4030000, Chile
| | - Iván González-Chavarría
- Biotechnology and Biopharmaceuticals Laboratory, Departamento de Fisiopatología, Facultad de Ciencias Biológicas, Universidad de Concepción, Víctor Lamas 1290, Concepción, CP. 4030000, Chile
| | - Ariel Valenzuela
- Laboratorio de Piscicultura y Patología Acuática, Departamento de Oceanografía, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, Concepción, Chile
| | - Carolina Muñoz-Flores
- Biotechnology and Biopharmaceuticals Laboratory, Departamento de Fisiopatología, Facultad de Ciencias Biológicas, Universidad de Concepción, Víctor Lamas 1290, Concepción, CP. 4030000, Chile
| | - Claudia Altamirano
- Laboratorio de Cultivos Celulares, Escuela de Ingeniería Bioquímica, Pontificia Universidad Católica de Valparaíso, 2362803, Valparaíso, Chile
| | - Jannel Acosta
- Biotechnology and Biopharmaceuticals Laboratory, Departamento de Fisiopatología, Facultad de Ciencias Biológicas, Universidad de Concepción, Víctor Lamas 1290, Concepción, CP. 4030000, Chile
| | - Jorge R Toledo
- Biotechnology and Biopharmaceuticals Laboratory, Departamento de Fisiopatología, Facultad de Ciencias Biológicas, Universidad de Concepción, Víctor Lamas 1290, Concepción, CP. 4030000, Chile.
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15
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Wang D, Zheng Y, Xie J, Yu W, Lu Z, Zhang W, Hu Y, Fu J, Sheng Q, Lv Z. Andrographolide inhibits the activation of spinal microglia and ameliorates mechanical allodynia. Metab Brain Dis 2024; 39:115-127. [PMID: 37979090 DOI: 10.1007/s11011-023-01325-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Accepted: 11/13/2023] [Indexed: 11/19/2023]
Abstract
Andrographolide (Andro), a labdane diterpene, possesses anti-inflammatory properties and has been used to treat numerous inflammatory diseases. Novel findings revealed that Andro might be vital in regulating pain. However, the contribution of Andro to chronic inflammatory pain has yet to be determined, and its underlying mechanism of action remains unknown. In this study, we observed that Andro attenuated mechanical allodynia in inflammatory pain mice induced by injecting complete Freund's adjuvant (CFA) into the right hind paws. This analgesic effect of Andro is mainly dependent on its inhibition of microglial overactivation and the release of proinflammatory cytokines (TNF and IL-1β) in lumbar spinal cords of inflammatory pain model mice. More importantly, our data in vivo and in vitro revealed a negative role for Andro in regulating the TLR4/NF-κB signaling pathway, which might contribute to the inhibition of spinal microglial activation and proinflammatory cytokines production, and the improvement of paw withdrawal thresholds in a mouse model of chronic inflammatory pain evoked by CFA. We further found the potential interaction of Andro with TLR4/myeloid differentiation factor 2 heterodimer using molecular modeling, implying that TLR4 might be a potential target for Andro to exert an analgesic effect. Taken together, our findings demonstrated that the modulation of spinal microglial activation by Andro might be substantially conducive to managing chronic pain triggered by neuroinflammation.
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Affiliation(s)
- Dan Wang
- Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and Biomedicine, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, China.
| | - Yongjian Zheng
- Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and Biomedicine, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Junjing Xie
- Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and Biomedicine, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Wenwen Yu
- Traditional Chinese Medicine hospital of Yuyao, Ningbo, 315402, China
| | - Zhongteng Lu
- Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and Biomedicine, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Wenping Zhang
- Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and Biomedicine, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Yanling Hu
- Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and Biomedicine, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Jianyuan Fu
- Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and Biomedicine, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Qing Sheng
- Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and Biomedicine, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, China.
| | - Zhengbing Lv
- Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and Biomedicine, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, China.
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Yoshinaga M, Takeuchi O. RNA Metabolism Governs Immune Function and Response. Adv Exp Med Biol 2024; 1444:145-161. [PMID: 38467978 DOI: 10.1007/978-981-99-9781-7_10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/13/2024]
Abstract
Inflammation is a complex process that protects our body from various insults such as infection, injury, and stress. Proper inflammation is beneficial to eliminate the insults and maintain organ homeostasis, however, it can become detrimental if uncontrolled. To tightly regulate inflammation, post-transcriptional mechanisms governing RNA metabolism play a crucial role in monitoring the expression of immune-related genes, such as tumor necrosis factor (TNF) and interleukin-6 (IL-6). These mechanisms involve the coordinated action of various RNA-binding proteins (RBPs), including the Regnase family, Roquin, and RNA methyltransferases, which are responsible for mRNA decay and/or translation regulation. The collaborative efforts of these RBPs are essential in preventing aberrant immune response activation and consequently safeguarding against inflammatory and autoimmune diseases. This review provides an overview of recent advancements in our understanding of post-transcriptional regulation within the immune system and explores the specific roles of individual RBPs in RNA metabolism and regulation.
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Affiliation(s)
- Masanori Yoshinaga
- Department of Medical Chemistry, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Osamu Takeuchi
- Department of Medical Chemistry, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
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17
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Mina SA, Zhu G, Fanian M, Chen S, Yang G. Exploring reduced macrophage cell toxicity of hypervirulent Klebsiella pneumoniae compared to classical Klebsiella pneumoniae. Microbiol Res 2024; 278:127515. [PMID: 37837829 DOI: 10.1016/j.micres.2023.127515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2023] [Revised: 09/21/2023] [Accepted: 10/09/2023] [Indexed: 10/16/2023]
Abstract
Bacterial pneumoniae caused by Klebsiella pneumoniae (Kp) is a major concern due to the prevalence of multiple antibiotic-resistant strains, which limit treatment options and increase mortality rates. Patients with Kp infections often experience an uncontrolled immune response in the lungs, leading to excessive inflammation and elevated levels of proinflammatory cytokines. This study aimed to investigate the cytotoxicity, the inflammatory cytokine response, and the longevity of intracellular bacterial load in RAW 264.7 macrophages, infected with two different Kp strains - cKP (HKU1: Classical Kp) and HvKP (17ZR101: Hypervirulent Kp). This study found that after infecting macrophages with cKP and HvKP, the internalization rate was faster and the intracellular cKP load was higher than that of HvKP. Additionally, the number of intracellular Kp was correlated with the presence of M1 macrophage polarization marker CD86 and expressions of proinflammatory cytokines. Interestingly, the expression of these proinflammatory cytokines was significantly higher in cKP-infected macrophages than in HvKP-infected macrophages. Thus, a higher intracellular cKP load is suggested to play a significant role in causing more proinflammatory cytokines and killing macrophages compared to HvKP infection. This finding highlights the importance of understanding the mechanisms behind Kp infections and developing effective treatment strategies.
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Affiliation(s)
- Sohana Akter Mina
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Kowloon, Hong Kong Special Administrative Region of China
| | - Gaochen Zhu
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Kowloon, Hong Kong Special Administrative Region of China
| | - Maryam Fanian
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Kowloon, Hong Kong Special Administrative Region of China
| | - Sheng Chen
- State Key Lab of Chemical Biology and Drug Discovery and the Department of Food Science and Nutrition, The Hong Kong Polytechnic University, Hom Hung, Kowloon, Hong Kong Special Administrative Region of China.
| | - Guan Yang
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Kowloon, Hong Kong Special Administrative Region of China.
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Abou-Okada M, Rashad MM, Ali GE, Abdel-Radi S, Hassan A. Oxidative stress, gene expression and histopathology of cultured gilthead sea bream (Sparus aurata) naturally co-infected with Ergasilus sieboldi and Vibrio alginolyticus. BMC Vet Res 2023; 19:277. [PMID: 38104092 PMCID: PMC10724927 DOI: 10.1186/s12917-023-03840-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 12/01/2023] [Indexed: 12/19/2023] Open
Abstract
BACKGROUND Parasitic and bacterial co-infections have been associated with increasing fish mortalities and severe economic losses in aquaculture through the past three decades. The aim of this study was to evaluate the oxidative stress, histopathology, and immune gene expression profile of gilthead sea bream (Sparus aurata) co-infected with Ergasilus sieboldi and Vibrio alginolyticus. RESULTS Vibrio alginolyticus and Ergasilus sieboldi were identified using 16 S rRNA and 28 S rRNA sequencing, respectively. The collagenase virulence gene was found in all Vibrio alginolyticus isolates, and the multiple antimicrobial resistance index ranged from 0.286 to 0.857. Oxidant-antioxidant parameters in the gills, skin, and muscles of naturally infected fish revealed increased lipid peroxidation levels and a decrease in catalase and glutathione antioxidant activities. Moreover, naturally co-infected gilthead sea bream exhibited substantial up-regulation of il-1β, tnf-α, and cyp1a1. Ergasilus sieboldi encircled gill lamellae with its second antennae, exhibited severe gill architectural deformation with extensive eosinophilic granular cell infiltration. Vibrio alginolyticus infection caused skin and muscle necrosis in gilthead sea bream. CONCLUSION This study described some details about the gill, skin and muscle tissue defense mechanisms of gilthead sea bream against Ergasilus sieboldi and Vibrio alginolyticus co-infections. The prevalence of co-infections was 100%, and no resistant fish were detected. These co-infections imbalance the health status of the fish by hampering the oxidant-antioxidant mechanisms and proinflammatory/inflammatory immune genes to a more detrimental side. Our results suggest that simultaneous screening for bacterial and parasitic pathogens should be considered.
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Affiliation(s)
- Mahmoud Abou-Okada
- Department of Aquatic Animal Medicine and Management, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt.
| | - Maha M Rashad
- Department of Biochemistry and Chemistry of Nutrition, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt
| | - Ghada E Ali
- Department of Biochemistry and Chemistry of Nutrition, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt
| | - Shimaa Abdel-Radi
- Department of Parasitology, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt
| | - Azza Hassan
- Department of Pathology, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt
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Attia MM, Mohamed RI, Salem HM. Impact of Eimeria tenella experimental Infection on intestinal and splenic reaction of broiler chickens. J Parasit Dis 2023; 47:829-836. [PMID: 38009153 PMCID: PMC10667201 DOI: 10.1007/s12639-023-01629-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 10/08/2023] [Indexed: 11/28/2023] Open
Abstract
This work assesses the cell-mediated immune reaction IL-6, TNF-α, and IFN-γ of experimentally challenged broiler chicken with Eimeria tenella (E. tenella). Therefore, ninety, 2-weeks-old healthy broiler chicks were allocated as eighty chicks infected orally with 2.5 × 104 E. tenella sporulated oocysts, and the other ten birds were kept as control negative birds. Post-challenge, mortality rate, symptoms, oocysts shedding, and lesion score were evaluated. Tissue samples (cecum and spleen) were collected at 0, 4, 8, and 12 days post-infection (dpi). Ten chickens were ethically slaughtered at 0, 4, 8, and 12 days post-infection, as well as two birds from the negative control group; parts from cecal and spleen samples were kept in cryopreservation containers, and other parts were preserved in formaline 10% for further investigation. The evaluated genes (IL-6, TNF-α, and IFN-γ) were normal at 0 days and upregulated at 4 and 8 days, which reached maximum upregulation at eight dpi. The histopathological examination of the ceca and spleen were evaluated before and after challenge. It could be concluded that E. tenella revealed direct severe macroscopic and microscopic changes in cecal tissues and indirectly induced alteration in splenic tissues, resulting in upregulation of different cell mediated immune response in cecum and spleen in relation to the experimental period.
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Affiliation(s)
- Marwa M. Attia
- Department of Parasitology, Faculty of Veterinary Medicine, Cairo University, Giza, 12211 Egypt
| | - Rania I. Mohamed
- Department of Pathology, Agricultural Research Center (ARC), Animal Health Research Institute- Mansoura provincial Laboratory (AHRI-Mansoura), P.O. Box 264, Giza, Cairo, 12618 Egypt
| | - Heba M. Salem
- Department of Poultry Diseases, Faculty of Veterinary Medicine, Cairo University, Giza, 12211 Egypt
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Roh TH, Chae MK, Ko JS, Kikkawa DO, Jang SY, Yoon JS. Phospholipase C-γ as a Potential Therapeutic Target for Graves' Orbitopathy. Endocrinol Metab (Seoul) 2023; 38:739-749. [PMID: 37989267 PMCID: PMC10765002 DOI: 10.3803/enm.2023.1780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 09/25/2023] [Accepted: 10/19/2023] [Indexed: 11/23/2023] Open
Abstract
BACKGRUOUND Phospholipase C-γ (PLC-γ) plays a crucial role in immune responses and is related to the pathogenesis of various inflammatory disorders. In this study, we investigated the role of PLC-γ and the therapeutic effect of the PLC-specific inhibitor U73122 using orbital fibroblasts from patients with Graves' orbitopathy (GO). METHODS The expression of phospholipase C gamma 1 (PLCG1) and phospholipase C gamma 2 (PLCG2) was evaluated using polymerase chain reaction in GO and normal orbital tissues/fibroblasts. The primary cultures of orbital fibroblasts were treated with non-toxic concentrations of U73122 with or without interleukin (IL)-1β to determine its therapeutic efficacy. The proinflammatory cytokine levels and activation of downstream signaling molecules were determined using Western blotting. RESULTS PLCG1 and PLCG2 mRNA expression was significantly higher in GO orbital tissues than in controls (P<0.05). PLCG1 and PLCG2 mRNA expression was significantly increased (P<0.05) in IL-1β, tumor necrosis factor-α, and a cluster of differentiation 40 ligand-stimulated GO fibroblasts. U73122 significantly inhibited the IL-1β-induced expression of proinflammatory molecules, including IL-6, IL-8, monocyte chemoattractant protein-1, cyclooxygenase-2, and intercellular adhesion molecule-1 (ICAM-1), and phosphorylated protein kinase B (p-Akt) and p38 (p-p38) kinase in GO fibroblasts, whereas it inhibited IL-6, IL-8, and ICAM-1, and p-Akt and c-Jun N-terminal kinase (p-JNK) in normal fibroblasts (P<0.05). CONCLUSION PLC-γ-inhibiting U73122 suppressed the production of proinflammatory cytokines and the phosphorylation of Akt and p38 kinase in GO fibroblasts. This study indicates the implications of PLC-γ in GO pathogenesis and its potential as a therapeutic target for GO.
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Affiliation(s)
- Tae Hoon Roh
- Department of Medicine, Yonsei University College of Medicine, Seoul, Korea
| | - Min Kyung Chae
- Department of Ophthalmology, Severance Hospital, Institute of Vision Research, Yonsei University College of Medicine, Seoul, Korea
| | - Jae Sang Ko
- Department of Ophthalmology, Severance Hospital, Institute of Vision Research, Yonsei University College of Medicine, Seoul, Korea
| | - Don O. Kikkawa
- Division of Oculofacial Plastic and Reconstructive Surgery, Department of Ophthalmology, Shiley Eye Institute, University of California San Diego, La Jolla, CA, USA
| | - Sun Young Jang
- Department of Ophthalmology, Soonchunhyang University Bucheon Hospital, Soonchunhyang University College of Medicine, Bucheon, Korea
| | - Jin Sook Yoon
- Department of Ophthalmology, Severance Hospital, Institute of Vision Research, Yonsei University College of Medicine, Seoul, Korea
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Sharma P, Kishore A, De I, Negi S, Kumar G, Bhardwaj S, Singh M. Mitigating neuroinflammation in Parkinson's disease: Exploring the role of proinflammatory cytokines and the potential of phytochemicals as natural therapeutics. Neurochem Int 2023; 170:105604. [PMID: 37683836 DOI: 10.1016/j.neuint.2023.105604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 08/22/2023] [Accepted: 08/23/2023] [Indexed: 09/10/2023]
Abstract
Parkinson's disease (PD) is one of the most prevalent neuroinflammatory illnesses, characterized by the progressive loss of neurons in the brain. Proinflammatory cytokines play a key role in initiating and perpetuating neuroinflammation, which can lead to the activation of glial cells and the deregulation of inflammatory pathways, ultimately leading to permanent brain damage. Currently, available drugs for PD mostly alleviate symptoms but do not target underlying inflammatory processes. There is a growing interest in exploring the potential of phytochemicals to mitigate neuroinflammation. Phytochemicals such as resveratrol, apigenin, catechin, anthocyanins, amentoflavone, quercetin, berberine, and genistein have been studied for their ability to scavenge free radicals and reduce proinflammatory cytokine levels in the brain. These plant-derived compounds offer a natural and potentially safe alternative to conventional drugs for managing neuroinflammation in PD and other neurodegenerative diseases. However, further research is necessary to elucidate their underlying mechanisms of action and clinical effectiveness. So, this review delves into the pathophysiology of PD and its intricate relationship with proinflammatory cytokines, and explores how their insidious contributions fuel the disease's initiation and progression via cytokine-dependent signaling pathways. Additionally, we tried to give an account of PD management using existing drugs along with their limitations. Furthermore, our aim is to provide a thorough overview of the diverse groups of phytochemicals, their plentiful sources, and the current understanding of their anti-neuroinflammatory properties. Through this exploration, we posit the innovative idea that consuming nutrient-rich phytochemicals could be an effective approach to preventing and treating PD.
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Affiliation(s)
- Prashant Sharma
- Chemical Biology Unit, Institute of Nano Science and Technology, Mohali, Punjab, India
| | - Abhinoy Kishore
- Chemical Biology Unit, Institute of Nano Science and Technology, Mohali, Punjab, India
| | - Indranil De
- Chemical Biology Unit, Institute of Nano Science and Technology, Mohali, Punjab, India
| | - Swarnima Negi
- Chemical Biology Unit, Institute of Nano Science and Technology, Mohali, Punjab, India
| | - Gulshan Kumar
- Chemical Biology Unit, Institute of Nano Science and Technology, Mohali, Punjab, India
| | - Sahil Bhardwaj
- Chemical Biology Unit, Institute of Nano Science and Technology, Mohali, Punjab, India
| | - Manish Singh
- Chemical Biology Unit, Institute of Nano Science and Technology, Mohali, Punjab, India.
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K C PB, Maharjan A, Acharya M, Lee D, Kusma S, Gautam R, Kwon JT, Kim C, Kim K, Kim H, Heo Y. Polytetrafluorethylene microplastic particles mediated oxidative stress, inflammation, and intracellular signaling pathway alteration in human derived cell lines. Sci Total Environ 2023; 897:165295. [PMID: 37419366 DOI: 10.1016/j.scitotenv.2023.165295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 06/30/2023] [Accepted: 07/01/2023] [Indexed: 07/09/2023]
Abstract
Microplastics (MPs) are now widely distributed across the aerial, terrestrial, and aquatic environments. Thus, exposure to MPs via the oral, inhalation, or dermal routes is inevitable. Polytetrafluoroethylene (PTFE)-MPs is mainly used for manufacturing nonstick cookware, semiconductors, and medical devices; however, their toxicity has been rarely studied. In the present study, six different human cell lines, which are representative of tissues and cells that directly or indirectly come into contact with MPs, were exposed to two different sizes of irregular shape PTFE-MPs (with an average diameter of 6.0 or 31.7 μm). PTFE-MPs-mediated cytotoxicity, oxidative stress, and changes in proinflammatory cytokine production were then evaluated. We found that the PTFE-MPs did not induce cytotoxicity under any of the experimental conditions. However, PTFE-MPs (especially average diameter of 6.0 μm) induced nitric oxide and reactive oxygen species production in all the cell lines tested. Moreover, both sizes of PTFE-MPs increased the secretion of tumor necrosis factor alpha and interleukin-6 from the U937 macrophage cell line and the A549 lung epithelial cell line, respectively. In addition, PTFE-MPs activated the MAPK signaling pathways, especially the ERK pathway, in A549 and U937 cells, and in the THP-1 dendritic cell line. We also found that the expression of the NLRP3 inflammasome was reduced in the U937 and THP-1 cell lines following treatment with the PTFE-MPs sized 31.7 μm average diameter. Furthermore, expression of the apoptosis regulator, BCL2, was markedly increased in the A549 and U937 cell lines. Thus, although PTFE-MPs exert different effects on different cell types, our findings suggest that PTFE-MPs-associated toxicity may be specifically linked to the activation of the ERK pathway, which ultimately induces oxidative stress and inflammation.
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Affiliation(s)
- Pramod Bahadur K C
- Graduate School Department of Toxicology, Daegu Catholic University, Gyeongsan 38430, Republic of Korea
| | - Anju Maharjan
- Department of Occupational Health, College of Bio and Medical Sciences, Daegu Catholic University, 38430 Gyeongsan, Republic of Korea
| | - Manju Acharya
- Department of Occupational Health, College of Bio and Medical Sciences, Daegu Catholic University, 38430 Gyeongsan, Republic of Korea
| | - DaEun Lee
- Department of Occupational Health, College of Bio and Medical Sciences, Daegu Catholic University, 38430 Gyeongsan, Republic of Korea
| | - Sarina Kusma
- Graduate School Department of Toxicology, Daegu Catholic University, Gyeongsan 38430, Republic of Korea
| | - Ravi Gautam
- Department of Occupational Health, College of Bio and Medical Sciences, Daegu Catholic University, 38430 Gyeongsan, Republic of Korea
| | - Jung-Taek Kwon
- Environmental Health Research Department, National Institute of Environmental Research, 22689 Incheon, Republic of Korea.
| | - ChangYul Kim
- Graduate School Department of Toxicology, Daegu Catholic University, Gyeongsan 38430, Republic of Korea.
| | - KilSoo Kim
- Preclinical Research Center, Daegu-Gyeongbuk Medical Innovation Center, 41061 Daegu, Republic of Korea; College of Veterinary Medicine, Kyungpook National University, 41566 Daegu, Republic of Korea.
| | - HyoungAh Kim
- College of Medicine, Department of Preventive Medicine, The Catholic University of Korea, 06591 Seoul, Republic of Korea.
| | - Yong Heo
- Graduate School Department of Toxicology, Daegu Catholic University, Gyeongsan 38430, Republic of Korea; Department of Occupational Health, College of Bio and Medical Sciences, Daegu Catholic University, 38430 Gyeongsan, Republic of Korea.
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23
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Shri SR, Manandhar S, Nayak Y, Pai KSR. Role of GSK-3β Inhibitors: New Promises and Opportunities for Alzheimer's Disease. Adv Pharm Bull 2023; 13:688-700. [PMID: 38022801 PMCID: PMC10676556 DOI: 10.34172/apb.2023.071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 12/13/2022] [Accepted: 01/20/2023] [Indexed: 12/01/2023] Open
Abstract
Glycogen synthase kinase-3 (GSK-3) was discovered to be a multifunctional enzyme involved in a wide variety of biological processes, including early embryo formation, oncogenesis, as well cell death in neurodegenerative diseases. Several critical cellular processes in the brain are regulated by the GSK-3β, serving as a central switch in the signaling pathways. Dysregulation of GSK-3β kinase has been reported in diabetes, cancer, Alzheimer's disease, schizophrenia, bipolar disorder, inflammation, and Huntington's disease. Thus, GSK-3β is widely regarded as a promising target for therapeutic use. The current review article focuses mainly on Alzheimer's disease, an age-related neurodegenerative brain disorder. GSK-3β activation increases amyloid-beta (Aβ) and the development of neurofibrillary tangles that are involved in the disruption of material transport between axons and dendrites. The drug-binding cavities of GSK-3β are explored, and different existing classes of GSK-3β inhibitors are explained in this review. Non-ATP competitive inhibitors, such as allosteric inhibitors, can reduce the side effects compared to ATP-competitive inhibitors. Whereas ATP-competitive inhibitors produce disarrangement of the cytoskeleton, neurofibrillary tangles formation, and lead to the death of neurons, etc. This could be because they are binding to a site separate from ATP. Owing to their interaction in particular and special binding sites, allosteric ligands interact with substrates more selectively, which will be beneficial in resolving drug-induced resistance and also helpful in reducing side effects. Hence, in this review, we focussed on the allosteric GSK-3β inhibitors and discussed their futuristic opportunities as anti-Alzheimer's compounds.
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Affiliation(s)
| | | | | | - K Sreedhara Ranganath Pai
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal -576104, India
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Qiao Q, Yao D, Wang Y, Zhang S, Chen G. Transcrocetin Meglumine Salt Inhibits Spinal Glial Cell-Mediated Proinflammatory Cytokines and Attenuates Complete Freund's Adjuvant-Induced Inflammatory Pain. Neuroimmunomodulation 2023; 30:315-324. [PMID: 37899033 PMCID: PMC10659006 DOI: 10.1159/000534607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 10/08/2023] [Indexed: 10/31/2023] Open
Abstract
INTRODUCTION Inflammatory pain is a significant global clinical challenge that involves both unpleasant sensory and emotional experiences. The treatment of pain is imminent, and we are committed to seeking new analgesics for pain relief. Transcrocetin meglumine salt (TCMS), a saffron metabolite derived from the crocin apocarotenoids, has exhibited the ability to cross the blood-brain barrier and exert neuroprotective effects. In this study, we aimed to investigate whether TCMS could ameliorate complete Freund's adjuvant (CFA)-induced inflammatory pain in mice and elucidate its underlying mechanisms. METHODS Here, we established an inflammatory pain model in mice by injecting CFA into the left hind paw. Three days later, we administered intraperitoneal injections of TCMS (10 mg/kg) or saline to the animals. We examined mechanical allodynia, thermal hypersensitivity, and anxiety behavior. Furthermore, the activation of glial cells and proinflammatory cytokines in the spinal cord were detected. RESULTS Our results showed that TCMS significantly reversed the mechanical allodynia and thermal hypersensitivity in the CFA-injected mice. Furthermore, TCMS administration effectively inhibited the activation of microglia and astrocytes in the spinal cord induced by CFA. Additionally, TCMS suppressed the production and release of spinal proinflammatory cytokines, including TNF-α, IL-1β, and IL-6, in CFA-injected mice. CONCLUSION Taken together, our findings demonstrate that TCMS holds promise as an innovative analgesic due to its ability to ameliorate inflammatory reactions.
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Affiliation(s)
- Qing Qiao
- Department of Anesthesiology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Dandan Yao
- Department of Anesthesiology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China,
| | - Yongjie Wang
- Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, China
| | - Shuxia Zhang
- Department of Anesthesiology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Gang Chen
- Department of Anesthesiology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China
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Li G, Feng X, Wang W, Li J, Shi Y, Wang L, Hu C. Synthesis and biological evaluation of chromanone-based derivatives as potential anti-neuroinflammatory agents. Bioorg Chem 2023; 139:106767. [PMID: 37552914 DOI: 10.1016/j.bioorg.2023.106767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 07/29/2023] [Accepted: 08/03/2023] [Indexed: 08/10/2023]
Abstract
As a privileged scaffold, chromanone has been extensively introduced in the design of drug leads with diverse pharmacological features, particularly in the area of inflammatory diseases. Herein, the preparation of chromanone-based derivatives (4a-4i) was smoothly achieved, and their structures were characterized using 1H NMR, 13C NMR, and ESI-HRMS spectroscopy techniques. Out of them, analogue 4e exhibited the most potent inhibitory capacity against the NO release and iNOS expression, without apparent cytotoxicity. Our observations showed that 4e could dramatically prevent the translocation of NF-κB from the cytoplasm to nucleus, and decrease the production of proinflammatory cytokines TNF-α, IL-6 and IL-1β in LPS-induced BV-2 cells. Mechanistically, 4e significantly deactivated NF-κB by disturbing TLR4-mediated TAK1/NF-κB and PI3K/Akt signaling cascades. Consistent with the in vitro study, 4e could effectively mitigate the inflammation response of hippocampal tissue in LPS-induced mouse model by inhibiting microglial activation. Collectively, these results revealed 4e as a prospective neuroprotective candidate for the therapy of neuroinflammation-related disorders.
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Affiliation(s)
- Guoxun Li
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu 213164, China
| | - Xiaoqing Feng
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu 213164, China
| | - Wenqian Wang
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu 213164, China
| | - Jian Li
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu 213164, China; Analysis and Testing Center, NERC Biomass of Changzhou University, Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, Changzhou University, Changzhou, Jiangsu 213164, China
| | - Yeye Shi
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu 213164, China
| | - Lin Wang
- College of Life Science and Biopharmaceutics, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Caijuan Hu
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu 213164, China.
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Lin C, Wang S, Xie J, Zhu J, Xu J, Liu K, Chen J, Yu M, Zhong H, Huang K, Pan S. Ketogenic diet and β-Hydroxybutyrate alleviate ischemic brain injury in mice via an IRAKM-dependent pathway. Eur J Pharmacol 2023; 955:175933. [PMID: 37481199 DOI: 10.1016/j.ejphar.2023.175933] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 07/19/2023] [Accepted: 07/20/2023] [Indexed: 07/24/2023]
Abstract
Ketogenic diet (KD) is a classical nonpharmacological therapy that has recently been shown to benefit cerebral ischemia, but the mechanism remains unclear. This study investigated the neuroprotective effects of KD pretreatment and β-hydroxybutyrate (BHB, bioactive product of KD) post-treatment in a mouse model of temporary middle cerebral artery occlusion (tMCAO). Neurological function, infarct volume, as well as inflammatory reactions are evaluated 24 h after ischemia. Results showed that both KD pretreatment or BHB post-treatment improved the Bederson score and Grip test score, reduced infarct volume and the extravasation of IgG, suppressed the over-activation of microglia, and modulated the expression of cytokines. Mechanically, we found that both KD pretreatment or BHB post-treatment significantly stimulated the expression of interleukin-1 receptor-associated kinase M (IRAKM) and then inhibited the nuclear translocation of NF-κB. IRAKM deletion (Irakm-/-) exacerbated tMCAO-induced neurovascular injuries, and aggravated neuroinflammatory response. Moreover, KD pretreatment or BHB post-treatment lost their neuroprotection in the tMCAO-treated Irakm-/- mice. Our results support that KD pretreatment and BHB post-treatment alleviate ischemic brain injury in mice, possibly via an IRAKM-dependent way.
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Affiliation(s)
- Chuman Lin
- Department of Neurology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Shengnan Wang
- Department of Neurology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, China; Department of Critical Care Medicine, Baiyun Branch, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, 510420, China
| | - Jiaxin Xie
- Department of Neurology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Juan Zhu
- Department of Neurology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Jiawei Xu
- Department of Neurology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Kewei Liu
- Department of Neurology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Jiancong Chen
- Department of Neurology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Mingjia Yu
- Department of Neurology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Hengren Zhong
- Department of Clinical Research Center, Hainan Provincial Hospital of Chinese Medicine, Haikou, Hainan, 570203, China
| | - Kaibin Huang
- Department of Neurology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, China.
| | - Suyue Pan
- Department of Neurology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, China.
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Lallo S, Hardianti B, Djabir YY, Ismail I, Indrisari M, Aswad M, Hertati A, Habibie H, Hayakawa Y. Piper retrofractum ameliorates imiquimod-induced skin inflammation via modulation of TLR4 axis and suppression of NF-κB activity. Heliyon 2023; 9:e20151. [PMID: 37809486 PMCID: PMC10559909 DOI: 10.1016/j.heliyon.2023.e20151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Revised: 07/09/2023] [Accepted: 09/13/2023] [Indexed: 10/10/2023] Open
Abstract
Chronic inflammation is a significant concern due to its association with various pathological conditions. As a result, extensive research has been conducted to identify new natural products that can effectively treat acute inflammation, which has the potential to inhibit the chronic inflammation. In our study, we aimed to identify Indonesian medicinal plants with the ability to inhibit proinflammatory agents, specifically targeting NF-κB, a crucial regulator of gene transcription involved in the production of proinflammatory proteins/cytokines. Through a series of identification processes, we found that Piper retrofractum (Javanese chili) extract demonstrated promising inhibitory effects on NF-κB and proinflammatory molecules. Further investigation was conducted using a variety of assays, including reporter assay, viability test, ELISA, and Western blotting. The results revealed that the extract significantly reduced LPS, NO, COX-2, IL-6, IL-1, and NF-κB through the TLR4 axis. Notably, Piper retrofractum extract was found to enhance the survival of human keratinocytes by protecting them from cell death induced by TRAIL, a member of the TNF superfamily. Moreover, immunohistochemistry analysis in an Imiquimod-induced skin inflammation mice model showed downregulation of COX-2 and IL-1β expression upon treatment with the extract. In conclusion, our findings suggest that Piper retrofractum extract possesses anti-inflammatory properties by reducing proinflammatory cytokine production through inhibition of NF-κB signaling pathway. These promising results highlight the potential of Piper retrofractum extract as a candidate for future drug development in the clinical treatment of inflammation-related conditions, offering hope for the advancement of therapeutic interventions.
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Affiliation(s)
- Subehan Lallo
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Indonesia
| | - Besse Hardianti
- Sekolah Tinggi Ilmu Farmasi Makassar, Makassar 90242, Indonesia
- Institute of Natural Medicine, University of Toyama, Toyama 930-0194, Japan
| | | | - Ismail Ismail
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Indonesia
| | | | - Muhammad Aswad
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Indonesia
| | - Ai Hertati
- Pusat Riset Rekayasa Genetika Jl. Raya Jakarta-Bogor No.KM 46, Pakansari, Kec. Cibinong, Kabupaten Bogor, Jawa Barat 16911, Indonesia
| | - Habibie Habibie
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Indonesia
| | - Yoshihiro Hayakawa
- Institute of Natural Medicine, University of Toyama, Toyama 930-0194, Japan
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Martín-González C, Ribot-Hernández I, Fernández-Rodríguez CM, Pérez-Hernández O, González-Navarrete L, Godoy-Reyes AM, Rodríguez-Gaspar M, Martínez-Riera A, González-Reimers E. Mean platelet volume and mortality in patients with alcohol use disorder. Dig Liver Dis 2023; 55:1236-1241. [PMID: 37277289 DOI: 10.1016/j.dld.2023.05.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 05/21/2023] [Accepted: 05/23/2023] [Indexed: 06/07/2023]
Abstract
Several recent studies have pointed out the relationship of platelet size with increased mortality or adverse clinical course. Most studies show that increased mean platelet volume (MPV) may be associated with a deleterious outcome in different settings such as sepsis or neoplasia, whereas other researchers have found the opposite. In inflammatory conditions there is an altered secretion of several cytokines, some of them exerting a marked influence on platelet biogenesis and/or on platelet activation and aggregation. Alcohol use disorder is a chronic situation characterized by a protracted low-grade inflammation. In this study we analyze the relationship between proinflammatory cytokines and MPV and their relationships with mortality in patients with alcohol abuse. We determined serum levels of tumor necrosis factor (TNF)-α, interleukin (IL)-6 and IL-8 and routine laboratory variables among 184 patients with alcohol use disorder admitted to our hospital and followed-up for a median of 42 months. We found that MPV was inversely related to TNF-α (ρ=-0.34), and directly to IL-8 (ρ=0.32, p<0.001 in both cases) and to IL-6 (ρ=0.15; p = 0.046). Reduced MPV was related both with short-term (<6 months) and long-term mortality. Conclusion: These results suggest that inflammatory cytokines are strongly related to MPV. A low MPV is associated with a poor prognosis among patients with alcohol use disorder.
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Affiliation(s)
- Candelaria Martín-González
- Servicio de Medicina Interna, Hospital Universitario de Canarias, Universidad de La Laguna, Tenerife, Canary Islands, Spain.
| | - Iván Ribot-Hernández
- Servicio de Medicina Interna, Hospital Universitario de Canarias, Universidad de La Laguna, Tenerife, Canary Islands, Spain
| | - Camino M Fernández-Rodríguez
- Servicio de Medicina Interna, Hospital Universitario de Canarias, Universidad de La Laguna, Tenerife, Canary Islands, Spain
| | - Onán Pérez-Hernández
- Servicio de Medicina Interna, Hospital Universitario de Canarias, Universidad de La Laguna, Tenerife, Canary Islands, Spain
| | - Lourdes González-Navarrete
- Servicio de Medicina Interna, Hospital Universitario de Canarias, Universidad de La Laguna, Tenerife, Canary Islands, Spain
| | - Ana M Godoy-Reyes
- Servicio de Medicina Interna, Hospital Universitario de Canarias, Universidad de La Laguna, Tenerife, Canary Islands, Spain
| | - Melchor Rodríguez-Gaspar
- Servicio de Medicina Interna, Hospital Universitario de Canarias, Universidad de La Laguna, Tenerife, Canary Islands, Spain
| | - Antonio Martínez-Riera
- Servicio de Medicina Interna, Hospital Universitario de Canarias, Universidad de La Laguna, Tenerife, Canary Islands, Spain
| | - Emilio González-Reimers
- Servicio de Medicina Interna, Hospital Universitario de Canarias, Universidad de La Laguna, Tenerife, Canary Islands, Spain
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Badawy AB. The kynurenine pathway of tryptophan metabolism: a neglected therapeutic target of COVID-19 pathophysiology and immunotherapy. Biosci Rep 2023; 43:BSR20230595. [PMID: 37486805 PMCID: PMC10407158 DOI: 10.1042/bsr20230595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 06/29/2023] [Accepted: 07/21/2023] [Indexed: 07/26/2023] Open
Abstract
SARS-CoV-2 (COVID-19) exerts profound changes in the kynurenine (Kyn) pathway (KP) of tryptophan (Trp) metabolism that may underpin its pathophysiology. The KP is the main source of the vital cellular effector NAD+ and intermediate metabolites that modulate immune and neuronal functions. Trp metabolism is the top pathway influenced by COVID-19. Sixteen studies established virus-induced activation of the KP mediated mainly by induction of indoleamine 2,3-dioxygenase (IDO1) in most affected tissues and of IDO2 in lung by the increased release of proinflammatory cytokines but could additionally involve increased flux of plasma free Trp and induction of Trp 2,3-dioxygenase (TDO) by cortisol. The major Kyn metabolite targeted by COVID-19 is kynurenic acid (KA), the Kyn metabolite with the greatest affinity for the aryl hydrocarbon receptor (AhR), which is also activated by COVID-19. AhR activation initiates two important series of events: a vicious circle involving IDO1 induction, KA accumulation and further AhR activation, and activation of poly (ADP-ribose) polymerase (PARP) leading to NAD+ depletion and cell death. The virus further deprives the host of NAD+ by inhibiting its main biosynthetic pathway from quinolinic acid, while simultaneously acquiring NAD+ by promoting its synthesis from nicotinamide in the salvage pathway. Additionally, the protective effects of sirtuin 1 are minimised by the PARP activation. KP dysfunction may also underpin the mood and neurological disorders acutely and during 'long COVID'. More studies of potential effects of vaccination therapy on the KP are required and exploration of therapeutic strategies involving modulation of the KP changes are proposed.
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Affiliation(s)
- Abdulla Abu-Bakr Badawy
- Formerly School of Health Sciences, Cardiff Metropolitan University, Western Avenue, Cardiff CF5 2YB, Wales, U.K
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30
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Ismael M, Qayyum N, Gu Y, Zhezhe Y, Cui Y, Zhang Y, Lü X. Protective effect of plantaricin bio-LP1 bacteriocin on multidrug-resistance Escherichia Coli infection by alleviate the inflammation and modulate of gut-microbiota in BALB/c mice model. Int J Biol Macromol 2023; 246:125700. [PMID: 37414312 DOI: 10.1016/j.ijbiomac.2023.125700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 07/01/2023] [Accepted: 07/03/2023] [Indexed: 07/08/2023]
Abstract
The rapid spread of multidrug-resistant pathogens with the low efficacy of common antibiotics for humans and animals in its clinical therapeutics are a global health concern. Therefore, there is a need to develop new treatment strategies to control them clinically. The study aimed to evaluate the effects of Plantaricin Bio-LP1 bacteriocin produced from Lactiplantibacillus plantarum NWAFU-BIO-BS29 to alleviate the inflammation caused by multidrug-resistance Escherichia Coli (MDR-E. coli) infection in BALB/c mice-model. The focus was given on aspects linked to the mechanism of the immune response. Results indicated that Bio-LP1 had highly promising effects on partially ameliorating MDR-E. coli infection by reducing the inflammatory response through inhibiting the overexpression of proinflammatory-cytokines such as secretion of tumor necrosis factor (TNF-α) and interleukin (IL-6 and IL-β) and strongly regulated theTLR4 signaling-pathway. Additionally, avoided the villous destruct, colon length shortening, loss of intestinal barrier integrity, and increased disease activity index. Furthermore, significantly increased the relative abundance of beneficial-intestinal-bacteria including Ligilactobacillus, Enterorhabdus, Pervotellaceae, etc. Finally, improved the intestinal mucosal barrier to alleviate the pathological damages and promote the production of short-chain fatty acids (SCFAs) a source of energy for the proliferation. In conclusion, plantaricin Bio-LP1 bacteriocin can be considered a safe alternative to antibiotics against MDR-E. coli-induced intestinal inflammation.
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Affiliation(s)
- Mohamedelfatieh Ismael
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China; Sudanese Standard and Metrology Organization, Khartoum, 13573, Sudan
| | - Nageena Qayyum
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China
| | - Yaxin Gu
- College of Food Science, China Agricultural University, Beijing, China
| | - Yu Zhezhe
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China
| | - Yanlong Cui
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China
| | - Yu Zhang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China
| | - Xin Lü
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China.
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Akash MSH, Akbar M, Rehman K, Shah MA, Panichayupakaranant P, Imran M, Assiri MA. Biochemical profiling of berberine-enriched extract in aluminum chloride induced oxidative damage and neuroinflammation. Environ Sci Pollut Res Int 2023; 30:85263-85275. [PMID: 37380861 DOI: 10.1007/s11356-023-28392-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 06/19/2023] [Indexed: 06/30/2023]
Abstract
Despite the numerous treatment strategies used for Alzheimer's disease (AD), only a few cholinesterase inhibitor drugs, such as memantine, are effective in symptomatically relieving the hallmarks of AD, providing momentary recovery of memory and cognitive decline. These available drugs do not treat the underlying causes of AD, and their chronic use is associated with serious adverse effects and disease progression. Berberine is an isoquinoline alkaloid that has been reported to possess therapeutic potential against AD. Therefore, its activity was evaluated against an aluminum chloride (AlCl3)-induced AD rat model, and a berberine-enriched extract (BEE) was used to determine if its activity is equivalent to pure berberine (PB). The rats were administered 300 mg/kg of oral AlCl3 to induce AD and were then treated with oral PB at a dosage of 50 mg/kg, BEE at a dosage of 50 mg/kg, and rivastigmine at a dosage of 1 mg/kg as a standard drug for 21 days. In this study, various parameters were assessed to evaluate cognitive functions, such as behavioral analysis, antioxidant enzyme levels, acetylcholinesterase (AChE) activity, proinflammatory cytokine levels, real-time polymerase chain reaction (RT-PCR) analysis of different biomarkers (AChE, IL-1α, IL-1β, BACE-1, TNF-α) linked to AD, and histopathological changes in the rats' brains. After 21 days, the disease control group showed a significant decline in cognitive function, decreased levels of antioxidant enzymes, upregulated activity of the AChE enzyme, increased levels of proinflammatory cytokines, and marked elevation in mRNA expression of AD-associated biomarkers. On the other hand, the treatment groups showed significant improvements in memory deficits, elevated levels of antioxidant enzymes, reduced levels of proinflammatory cytokines, decreased AChE activity, and significant downregulation of the expression of predefined biomarkers. Histological examination of the treatment groups showed less neuroinflammation and fewer amyloid plaques compared to the disease control group. In conclusion, both PB and BEE have comparable neuroprotective potential to mitigate the pathological hallmarks of AD. However, controlled clinical trials are needed to assess their efficacy and safety.
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Affiliation(s)
| | - Moazzama Akbar
- Department of Pharmacy, The University of Faisalabad, Faisalabad, Pakistan
| | - Kanwal Rehman
- Department of Pharmacy, The Women University, Multan, Pakistan.
| | | | - Pharkphoom Panichayupakaranant
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences, Prince of Songkla University, Hat-Yai, Thailand
| | - Muhammad Imran
- Research Center for Advanced Materials Science (RCAMS), King Khalid University, Abha, 62413, Saudi Arabia
- Department of Chemistry, Faculty of Science, King Khalid University, Abha, 62413, Saudi Arabia
| | - Mohammed A Assiri
- Research Center for Advanced Materials Science (RCAMS), King Khalid University, Abha, 62413, Saudi Arabia
- Department of Chemistry, Faculty of Science, King Khalid University, Abha, 62413, Saudi Arabia
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32
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Defayette AB, Esposito-Smythers C, Cero I, Harris KM, Whitmyre ED, López R. Interpersonal stress and proinflammatory activity in emerging adults with a history of suicide risk: A pilot study. J Mood Anxiety Disord 2023; 2:100016. [PMID: 37693104 PMCID: PMC10486198 DOI: 10.1016/j.xjmad.2023.100016] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/12/2023]
Abstract
Interpersonal stress during adolescence and young adulthood can threaten healthy developmental trajectories. A "primed" proinflammatory response to acute stress may serve as an underlying process that results in negative outcomes for youth. The present pilot study examined the relation between interpersonal stress and two proinflammatory cytokines in a sample of 42 university-recruited emerging adults with recent suicidal thoughts and behaviors. Participants completed self-report measures of mood, suicidal thoughts and behaviors, recent peer-related stressors, and interpersonal sensitivity. They also participated in an acute laboratory social stress task and provided three saliva samples to measure their proinflammatory responses (IL-6 and TNF-α) to the stressor. Participants reported significant increases in sadness and exclusion, and significant decreases in inclusion, following task participation. Importantly, no participants reported an increase in or onset of suicidal thoughts. No significant associations between interpersonal stress and proinflammatory cytokines were found. Changes in affect during the task coupled with lack of increased suicidal thoughts indicate it is acceptable to use this exclusion and rejection paradigm with this population, with proper debriefing and positive mood induction procedures. Given all other nonsignificant associations, future research considerations are discussed, including impact of COVID-19 on task potency and incorporation of multiple stress response systems.
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Affiliation(s)
- Annamarie B. Defayette
- Department of Psychology, George Mason University, 4400 University Drive, 3F5, Fairfax, VA 22030, USA
- Department of Psychiatry, University of Rochester Medical Center, 300 Crittenden Blvd., Rochester, NY 14642, USA
| | | | - Ian Cero
- Department of Psychiatry, University of Rochester Medical Center, 300 Crittenden Blvd., Rochester, NY 14642, USA
| | - Katherine M. Harris
- Department of Psychology, George Mason University, 4400 University Drive, 3F5, Fairfax, VA 22030, USA
| | - Emma D. Whitmyre
- Department of Psychology, George Mason University, 4400 University Drive, 3F5, Fairfax, VA 22030, USA
| | - Roberto López
- Department of Psychology, George Mason University, 4400 University Drive, 3F5, Fairfax, VA 22030, USA
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33
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Priya S, Singhvi G. Insights into the anti-inflammatory and anti-arthritic potential of 3-Acetyl-11-keto-β-Boswellic Acid as a therapeutic approach in Rheumatoid Arthritis. Expert Opin Investig Drugs 2023; 32:867-871. [PMID: 37817458 DOI: 10.1080/13543784.2023.2269838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 10/09/2023] [Indexed: 10/12/2023]
Affiliation(s)
- Sakshi Priya
- Industrial Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science (BITS) Pilani, Pilani Campus, Rajasthan, India
| | - Gautam Singhvi
- Industrial Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science (BITS) Pilani, Pilani Campus, Rajasthan, India
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34
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Du W, Fan L, Du J. Neuroinflammation-associated miR-106a-5p serves as a biomarker for the diagnosis and prognosis of acute cerebral infarction. BMC Neurol 2023; 23:248. [PMID: 37369997 DOI: 10.1186/s12883-023-03241-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Accepted: 05/09/2023] [Indexed: 06/29/2023] Open
Abstract
BACKGROUND Acute cerebral infarction (ACI) is a common cerebrovascular disease. Previous studies have shown that some abnormally expressed microRNAs (miRNAs) play important roles in ACI. This study aimed to investigate the role of miR-106a-5p in the diagnosis and prognosis of ACI patients, and analyze the regulatory potential of miR-106a-5p on the inflammation of BV-2 microglial cells. METHOD Serum and cerebrospinal fluid (CSF) samples were collected from 98 ACI patients, and the expression of serum miR-106a-5p was analyzed using qRT-PCR. A receiver operating characteristic (ROC) curve analysis was used to evaluate the diagnostic value of miR-106a-5p. The association of miR-106a-5p with ACI prognosis was evaluated using the logistic analysis. In vitro experiments were performed in BV-2 cells by oxygen glucose deprivation (OGD) treatment, and the effects of miR-106a-5p on BV-2 inflammation were assessed using an enzyme linked immunosorbent assay (ELISA). RESULT It was observed that miR-106a-5p was significantly upregulated in the serum and CSF of ACI patients (all P < 0.001), and had considerable diagnostic accuracy. The highest serum miR-106a-5p was observed in severe ACI cases, and miR-106a-5p expression was significantly increased in unfavorable prognosis patients. Serum and CSF expression of miR-106a-5p was positively correlated with proinflammatory cytokines in ACI patients, and the inflammation of OGD-induced BV-2 cells was suppressed by miR-106a-5p reduction. CONCLUSION MiR-106a-5p is overexpressed in ACI patients and may serve as a diagnostic and prognostic biomarker for ACI. Furthermore, miR-106a-5p may be involved in ACI progression by regulating neuroinflammation.
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Affiliation(s)
- Wei Du
- Department of Neurology, Qing Dao Fu Wai Cardiovascular Hospital, Qingdao, 266000, Shandong, China
| | - Lingyan Fan
- Department of Neurology, Weifang People's Hospital, Weifang, 261000, Shandong, China
| | - Juan Du
- Department of Neurology, Yantaishan Hospital, No. 91 Jiefang Road, Yantai, 264001, Shandong, China.
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35
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Shanab O, El-Rayes SM, Khalil WF, Ahmed N, Abdelkader A, Aborayah NH, Atwa AM, Mohammed FI, Nasr HE, Ibrahim SF, Khattab AM, Alsieni M, Behairy A, Fericean L, Mohammed LA, Abdeen A. Nephroprotective effects of Acacia senegal against aflatoxicosis via targeting inflammatory and apoptotic signaling pathways. Ecotoxicol Environ Saf 2023; 262:115194. [PMID: 37385018 DOI: 10.1016/j.ecoenv.2023.115194] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 06/06/2023] [Accepted: 06/25/2023] [Indexed: 07/01/2023]
Abstract
Aflatoxin B1 (AFB1) is a common environmental pollutant that poses a major hazard to both humans and animals. Acacia senegal (Gum) is well-known for having antioxidant and anti-inflammatory bioactive compounds. Our study aimed to scout the nephroprotective effects of Acacia gum (Gum) against AFB1-induced renal damage. Four groups of rats were designed: Control, Gum (7.5 mg/kg), AFB1 (200 µg/kg b.w) and AFB1-Gum, rats were co-treated with both Gum and AFB1. Gas chromatography-mass spectrometry (GC/MS) analysis was done to determine the phytochemical constituents in Gum. AFB1 triggered profound alterations in kidney function parameters (urea, creatinine, uric acid, and alkaline phosphatase) and renal histological architecture. Additionally, AFB1 exposure evoked up-regulation of mRNA expression levels of inflammatory cytokines, including interleukin-6 (IL-6), tumor necrosis factor α (TNFα), inducible nitric oxide synthase (iNOS), and nuclear factor kB p65 (NF-κB/P65) in renal tissue. The oxidative distress and apoptotic cascade are also instigated by AFB1 intoxication as depicted in down-regulated protein expression of the nuclear factor erythroid 2-related factor 2 (Nrf2) and superoxide dismutase type 1 (SOD1) along with upregulation of cytochrome c (Cyto c), and cleaved Caspase3 (Casp3-17 and 19) in renal tissue. In conclusion, current study obviously confirms the alleviating effects of Gum supplementation against AFB1-induced renal dysfunction, oxidative harm, inflammation, and cell death. These mitigating effects are suggested to be attributed to Gum's antioxidant and anti-inflammatory activities. Our results recommend Gum supplementation as add-on agents to food that might aid in protection from AFB1-induced nephrotoxicity.
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Affiliation(s)
- Obeid Shanab
- Department of Biochemistry, Faculty of Veterinary Medicine, South Valley University, Qena 83523, Egypt.
| | - Samir M El-Rayes
- Department of Chemistry, Faculty of Science, Suez Canal University, Ismailia 41522, Egypt.
| | - Waleed F Khalil
- Department of Veterinary Pharmacology, Faculty of Veterinary Medicine, Suez Canal University, Ismailia 41522, Egypt.
| | - Noha Ahmed
- Department of Chemistry, Faculty of Science, Suez Canal University, Ismailia 41522, Egypt.
| | - Afaf Abdelkader
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Benha University, Benha 13518, Egypt.
| | - Nashwa H Aborayah
- Department of Pharmacology, Faculty of Medicine, Benha University, Benha 13518, Egypt; Department of Pharmacology, Faculty of Medicine, Mutah University, Mutah 61710, Jordan.
| | - Ahmed M Atwa
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Egyptian Russian University, Cairo 11829, Egypt.
| | - Faten I Mohammed
- Department of Physiology, Faculty of Medicine for Girls, Al-Azhar University, Cairo 11884, Egypt.
| | - Hend E Nasr
- Medical Biochemistry and Molecular Biology Department, Faculty of Medicine, Benha University, Benha 13518, Egypt.
| | - Samah F Ibrahim
- Department of Clinical Sciences, College of Medicine, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia.
| | - Amr M Khattab
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Cairo University, Cairo 11956, Egypt; Department of Clinical Toxicology, Dammam Poison Control Center, MOH, Dammam 32245, Saudi Arabia.
| | - Mohammed Alsieni
- Department of Clinical Pharmacology, Faculty of Medicine, King Abdulaziz University, Jeddah 21589, Saudi Arabia.
| | - Ali Behairy
- Department of Pharmacology, Faculty of Medicine, Benha University, Benha 13518, Egypt.
| | - Liana Fericean
- Department of Biology and Plant Protection, Faculty of Agriculture, University of Life Sciences "King Michael I" from Timișoara, Calea Aradului 119, CUI 3487181, Romania.
| | - Lina A Mohammed
- Medical Biochemistry and Molecular Biology Department, Faculty of Medicine, Benha University, Benha 13518, Egypt.
| | - Ahmed Abdeen
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Benha University, Toukh 13736, Egypt.
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Hsieh CY, Rajanbabu V, Pan CY, Chen JY. Transcriptome analysis reveals modulation of differentially expressed genes in LPS-treated mouse macrophages (RAW264.7 cells) by grouper (Epinephelus coioides) Epinecidin-1. Fish Shellfish Immunol 2023:108880. [PMID: 37327978 DOI: 10.1016/j.fsi.2023.108880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Revised: 05/28/2023] [Accepted: 06/02/2023] [Indexed: 06/18/2023]
Abstract
The marine antimicrobial peptide Epinecidin (Epi)-1 has been shown to exert direct antimicrobial and immunomodulatory actions in teleost, mammalian and avian organisms. For instance, Epi-1 can suppress bacterial endotoxin lipolysachcharide (LPS)-induced proinflammatory cytokines in RAW264.7 murine macrophages. However, it remains unknown how Epi-1 might broadly affect non-activated and LPS-activated macrophages. To address this question, we performed a comparative transcriptomic analysis of non-treated and LPS-treated RAW264.7 cells in the presence and absence of Epi-1. Gene enrichment analysis was conducted on filtered reads, followed by GO and KEGG analyses. The results showed that Epi-1 treatment modulated pathways and genes associated with nucleoside binding, intramolecular oxidoreductase activity, GTPase activity, peptide antigen binding, GTP binding, ribonucleoside/nucleotide binding, phosphatidylinositol binding and phosphatidylinositol-4-phosphate binding. Based on the GO analysis results, we performed real-time PCR at different treatment times to compare expression levels of selected proinflammatory cytokines, anti-inflammatory cytokines, MHC, proliferation and differentiation genes. Epi-1 decreased expression of the proinflammatory cytokines, TNF-α, IL-6 and IL-1β, and it increased the anti-inflammatory cytokine TGFβ and Sytx1. MHC-associated genes, GM7030, Arfip1, Gpb11 and Gem, were induced by Epi-1, which is expected to enhance the immune response against LPS. Immunoglobulin-associated Nuggc was also upregulated by Epi-1. Finally, we found that Epi-1 downregulated the expression of host defense peptides CRAMP, Leap2 and BD3. Taken together, these findings suggest that Epi-1 treatment induces orchestrated changes in the transcriptome of LPS-stimulated RAW264.7 cells.
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Affiliation(s)
- Chu-Yi Hsieh
- Marine Research Station, Institute of Cellular and Organismic Biology, Academia Sinica, 23-10 Dahuen Road, Jiaushi, Ilan, 262, Taiwan
| | - Venugopal Rajanbabu
- Anbil Dharmalingam Agricultural College and Research Institute, Tamil Nadu Agricultural University, Tiruchchirapalli, 620027, Tamil Nadu, India
| | - Chieh-Yu Pan
- Department and Graduate Institute of Aquaculture, National Kaohsiung University of Science and Technology, Kaohsiung, 811, Taiwan.
| | - Jyh-Yih Chen
- Marine Research Station, Institute of Cellular and Organismic Biology, Academia Sinica, 23-10 Dahuen Road, Jiaushi, Ilan, 262, Taiwan; The iEGG and Animal Biotechnology Center and the Rong Hsing Research Center for Translational Medicine, National Chung Hsing University, Taichung, 402, Taiwan.
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37
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Furman A, Ferguson NM, Lafrenaye AD, Sato-Bigbee C, Dunbar E, Sullivan T, Neigh GN, O'Meara AMI. Understanding sedative effects within the context of acute Neuroinflammation in the developing brain: Potential induction of delirium-like behaviors. Exp Neurol 2023:114453. [PMID: 37302746 DOI: 10.1016/j.expneurol.2023.114453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 04/27/2023] [Accepted: 05/31/2023] [Indexed: 06/13/2023]
Abstract
Neurologic morbidity is highly prevalent in pediatric critical illness, and the use of benzodiazepines and/or opioids are risk factors for delirium and post-discharge sequelae. However, little is known about how multidrug sedation with these medications interacts with inflammation in the developing brain, a frequent condition during childhood critical illness that has not been extensively studied. In weanling rats, mild-moderate inflammation was induced with lipopolysaccharide (LPS) on postnatal day (P)18 and combined with 3 days repeated opioid and benzodiazepine sedation using morphine and midazolam (MorMdz) between P19-21. Delirium-like behaviors including abnormal response to whisker stimulation, wet dog shakes, and delay in finding buried food were induced in male and female rat pups treated with LPS, MorMdz, or LPS/MorMdz (n ≥ 17/group) and were compared using a z-score composite. Composite scores were significantly increased in LPS, MorMdz, and LPS/MorMdz groups compared to saline control (F3,78 = 38.1, p < 0.0001). Additionally, expression of glial-associated neuroinflammatory markers ionized calcium-binding adaptor molecule 1 (Iba1) and glial fibrillary acidic protein (GFAP) in western blots of P22 brain homogenate were significantly higher after LPS than after LPS/MorMdz (Iba1, p < 0.0001; GFAP, p < 0.001). Likewise, proinflammatory cytokines were increased in brains of LPS-treated pups versus Saline (p = 0.002), but not LPS/MorMdz-treated pups (p = 0.16). These results are of potential interest during pediatric critical illness, as inflammation is ubiquitous and the effects of multidrug sedation on homeostatic neuroimmune responses need to be considered along with neurodevelopmental effects.
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Affiliation(s)
- Amanda Furman
- Departments of Physical Medicine and Rehabilitation, Richmond, VA, United States
| | - Nikki Miller Ferguson
- Departments of Physical Medicine and Rehabilitation, Richmond, VA, United States; Departments of Pediatrics, Richmond, VA, United States; Children's Hospital Research Institute, Richmond, VA, United States
| | - Audrey D Lafrenaye
- Departments of Anatomy and Neurobiology, Richmond, VA, United States; Children's Hospital Research Institute, Richmond, VA, United States
| | - Carmen Sato-Bigbee
- Departments of Biochemistry and Molecular Biology, Richmond, VA, United States; Children's Hospital Research Institute, Richmond, VA, United States
| | - Emily Dunbar
- Virginia Commonwealth University School of Medicine, Richmond, VA, United States
| | | | - Gretchen N Neigh
- Departments of Anatomy and Neurobiology, Richmond, VA, United States; Children's Hospital Research Institute, Richmond, VA, United States
| | - A M Iqbal O'Meara
- Departments of Physical Medicine and Rehabilitation, Richmond, VA, United States; Departments of Pediatrics, Richmond, VA, United States; Children's Hospital Research Institute, Richmond, VA, United States.
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Ma J, Zhao W, Pei X, Li X, Zhao W. MicroRNA-345-3p is a potential biomarker and ameliorates rheumatoid arthritis by reducing the release of proinflammatory cytokines. J Orthop Surg Res 2023; 18:399. [PMID: 37264454 DOI: 10.1186/s13018-023-03797-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Accepted: 04/13/2023] [Indexed: 06/03/2023] Open
Abstract
OBJECTIVES The study was to explore the influence of microRNA (miR)-345-3p on proinflammatory cytokines in patients with rheumatoid arthritis (RA). METHODS A total of 32 RA patients and 32 healthy patients were enrolled. Proinflammatory factors in patients' serum were detected by ELISA, and miR-345-3p was detected by RT-qPCR. The correlation between miR-345-3p expression and proinflammatory factors in RA patients was analyzed. The diagnostic value of miR-345-3p and proinflammatory factors in RA patients was analyzed by receiver operating curve diagnosis. The predictive value of miR-345-3p levels and proinflammatory factors in RA patients was analyzed by multivariate Cox regression. HFLS-RA and HFLS cells were cultured, in which miR-345-3p and proinflammatory cytokines were detected by RT-qPCR. Cell proliferation and apoptosis were determined by CCK-8 and flow cytometry, respectively. RESULTS MiR-345-3p was lowly expressed in the serum of RA patients. MiR-345-3p and proinflammatory factors were of diagnostic and predictive values in RA. Elevated miR-345-3p restrained the production of proinflammatory factors of HFLS-RA cells, improved cell proliferation, and reduced apoptosis. CONCLUSION MiR-345-3p is a potential biomarker and ameliorates RA by reducing the release of proinflammatory cytokines.
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Affiliation(s)
- Jun Ma
- Department of Orthopedics, Jiu Quan People's Hospital, No. 22, West Street, Suzhou District, Jiu Quan City, 735000, Gansu Province, China
| | - Wei Zhao
- Department of Orthopedics, Jiu Quan People's Hospital, No. 22, West Street, Suzhou District, Jiu Quan City, 735000, Gansu Province, China
| | - Xue Pei
- Department of Orthopedics, Jiu Quan People's Hospital, No. 22, West Street, Suzhou District, Jiu Quan City, 735000, Gansu Province, China
| | - XinZhi Li
- Department of Orthopaedics, Affiliated Renhe Hospital of China Three Gorges University, Yichang City, 443001, Hubei Province, China
| | - Wei Zhao
- Department of Orthopedics, Jiu Quan People's Hospital, No. 22, West Street, Suzhou District, Jiu Quan City, 735000, Gansu Province, China.
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Ekhtiar M, Ghasemi-Dehnoo M, Mirzaei Y, Azadegan-Dehkordi F, Amini-Khoei H, Lorigooini Z, Samiei-Sefat A, Bagheri N. The coumaric acid and syringic acid ameliorate acetic acid-induced ulcerative colitis in rats via modulator of Nrf2/HO-1 and pro-inflammatory cytokines. Int Immunopharmacol 2023; 120:110309. [PMID: 37182450 DOI: 10.1016/j.intimp.2023.110309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 04/27/2023] [Accepted: 05/05/2023] [Indexed: 05/16/2023]
Abstract
BACKGROUND Ulcerative colitis (UC) is an inflammatory bowel disease (IBD) that causes uncontrolled inflammation and ulcers in your digestive tract. The coumaric acid and syringic acid are phenolic derivative found in many fruits and vegetables and is widely recognized for the ability of anti-parasitic, anti-microbial, anti-viral, anti-inflammatory, and antioxidant. The purpose of this study was to investigate the anti-inflammatory and antioxidant properties of coumaric acid and syringic acid on acetic acid-induced colitis in rats. METHODS A total of 64 male Wistar rats were divided into eight equal groups (n = 8). Colitis was induced by intrarectal administration of acetic acid, and rats orally received coumaric acid (100 and 150 mg/kg), syringic acid (10, 25, and 50 mg/kg), and dexamethasone (2 mg/kg) once per day for four days after colitis induction. Then, HO-1, Nrf2, and NQO1 mRNA expression were quantified by real time-PCR. Finally, the tissue levels of TNF-α and IL-1β protein were measured by ELISA. RESULTS Colitis led to a decrease in HO-1, Nrf2, and NQO1 mRNA expression and an increase in the tissue levels of TNF-α and IL-1β protein in the colon tissue. Treatment with dexamethasone significantly increased HO-1, Nrf2, and NQO1 mRNA expression and decreased the tissue levels of TNF-α and IL-1β protein compared to the UC group. Treatment with 150 mg/kg of coumaric acid and 50 mg/kg of syringic acid significantly increased HO-1, Nrf2, and NQO1 mRNA expression compared to the UC group. Also, treatment with 100 and 150 mg/kg of coumaric acid and 10, 25, and 50 mg/kg of syringic acid significantly decreased the tissue levels of TNF-α and IL-1β protein compared to the UC group. CONCLUSION The coumaric acid and syringic acid, especially at high doses, may be an alternative strategy for the treatment of UC by the reduction of TNF-α and IL-1β levels and upregulation of the Nrf2/HO-1 pathway.
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Affiliation(s)
- Mahsa Ekhtiar
- Medical Plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Maryam Ghasemi-Dehnoo
- Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Yousef Mirzaei
- Department of Medical Biochemical Analysis, Cihan University-Erbil, Kurdistan Region, Iraq
| | - Fatemeh Azadegan-Dehkordi
- Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran.
| | - Hossein Amini-Khoei
- Medical Plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Zahra Lorigooini
- Medical Plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Azadeh Samiei-Sefat
- Student Research Committee, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Nader Bagheri
- Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran; Clinical Biochemistry Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran.
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Khan YH, Qasim S, Uttra AM, Alotaibi NH, Alanzi AS, Alzarea AI, Alatawi AD, Hussain T. Enalapril attenuated CFA provoked arthritic manifestation by modulating proinflammatory and anti-inflammatory cytokine network. Life Sci 2023; 324:121742. [PMID: 37146938 DOI: 10.1016/j.lfs.2023.121742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 04/10/2023] [Accepted: 04/24/2023] [Indexed: 05/07/2023]
Abstract
Enalapril with documented anti-inflammatory potential was evaluated in current investigation to explore its anti-arthritic efficacy. For anti-arthritic evaluation of enalapril, CFA-instigated arthritic model was employed after which various parameters comprising paw volume, body weight, arthritic index, hematological and biochemical parameters, radiographic analysis and level of various cytokines were estimated. Enalapril demonstrated significant (p˂0.001) anti-arthritic activity by suppressing paw volume, arthritic index while preserved CFA instigated weight loss. Likewise, enalapril also normalized the hematological and biochemical alterations, suppressed the level of proinflammatory cytokines with elevation of anti-inflammatory cytokines. Radiographic and histopathological analysis also further validates the anti-arthritic attribute of enalapril where enalapril preserved the normal architecture of arthritis induced joints. Outcomes of the study pointed out a notable anti-arthritic activity of enalapril. However detailed mechanistic studies are still required to point out the exact mechanism of action.
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Affiliation(s)
- Yusra Habib Khan
- Department of Clinical Pharmacy, College of Pharmacy, Jouf University, Saudi Arabia.
| | - Sumera Qasim
- Department of Pharmacology, College of Pharmacy, Jouf University, Saudi Arabia.
| | - Ambreen Malik Uttra
- Department of Pharmacology, College of Pharmacy, University of Sargodha, Pakistan
| | - Nasser H Alotaibi
- Department of Clinical Pharmacy, College of Pharmacy, Jouf University, Saudi Arabia
| | | | - Abdulaziz I Alzarea
- Department of Clinical Pharmacy, College of Pharmacy, Jouf University, Saudi Arabia
| | - Ahmad D Alatawi
- Department of Clinical Pharmacy, College of Pharmacy, Jouf University, Saudi Arabia
| | - Tauqeer Hussain
- Department of Clinical Pharmacy, College of Pharmacy, Jouf University, Saudi Arabia
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Ghosh D, Singh G, Mishra P, Singh A, Kumar A, Sinha N. Alteration in mitochondrial dynamics promotes the proinflammatory response of microglia and is involved in cerebellar dysfunction of young and aged mice following LPS exposure. Neurosci Lett 2023; 807:137262. [PMID: 37116576 DOI: 10.1016/j.neulet.2023.137262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 04/01/2023] [Accepted: 04/17/2023] [Indexed: 04/30/2023]
Abstract
Cerebellar dysfunction is implicated in impaired motor coordination and balance, thus disturbing the dynamics of sensorimotor integration. Neuroinflammation and aging could be prominent contributors to cerebellar aberration. Additionally, changes in mitochondrial dynamics may precede microglia activation in several chronic neurodegenerative diseases; however, the underlying mechanism remains largely unknown.Here using LPS (1 mg/kg i.p. for four consecutive days) stimulation in both young (3 months old) and aged (12 months old) mice, followed by molecular analysis on the 21st day, we have explored the correlation between aging and mitochondrial dynamic alteration in the backdrop of chronic neuroinflammation. Following LPS stimulation, we observed microglia activation and subsequent elevation in proinflammatory cytokines (M1; TNF-α, IFN-γ) with NLRP3 activationand a concomitant reduction in the expression of anti-inflammatory markers (M2; YM1, TGF-β1) in the cerebellar tissue of aged mice compared with the young LPS and aged controls. Remarkably, senescence (p21, p27, p53) and epigenetic (HDAC2) markers were found upregulated in the cerebellum tissue of the aged LPS group, suggesting their crucial role in LPS-induced cerebellar deficit. Further, we demonstrated alteration in the antagonistic forces of mitochondrial fusion and fission with increased expression of the mitochondrial fission-related gene [FIS1] and decreased fusion-related genes [MFN1 and MFN2]. We noted increased mtDNA copy number, microglia activation, and inflammatory response of IL1β and IFN-γ post-chronic neuroinflammation in aged LPS group. Our results suggest that the crosstalk between mitochondrial dynamics and altered microglial activation paradigm in chronic neuroinflammatory conditions may be the key to understanding the cerebellar molecular mechanism.
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Affiliation(s)
- Devlina Ghosh
- Amity Institute of Biotechnology, Amity University Uttar Pradesh, Lucknow Campus, Gomti Nagar Extension, Lucknow 226028, India; Centre of Biomedical Research, SGPGIMS-Campus, Raibareli Road, Lucknow 226014, India.
| | - Gajendra Singh
- Department of Molecular Medicine and Biotechnology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - Prabhaker Mishra
- Department of Biostatistics and Health Informatics, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Raebareli Road, Lucknow 226 014, Uttar Pradesh, India
| | - Aditi Singh
- Amity Institute of Biotechnology, Amity University Uttar Pradesh, Lucknow Campus, Gomti Nagar Extension, Lucknow 226028, India
| | - Alok Kumar
- Department of Molecular Medicine and Biotechnology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - Neeraj Sinha
- Centre of Biomedical Research, SGPGIMS-Campus, Raibareli Road, Lucknow 226014, India.
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Badawy AAB, Dawood S, Bano S. Kynurenine pathway of tryptophan metabolism in pathophysiology and therapy of major depressive disorder. World J Psychiatry 2023; 13:141-148. [PMID: 37123095 PMCID: PMC10130957 DOI: 10.5498/wjp.v13.i4.141] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 01/19/2023] [Accepted: 03/21/2023] [Indexed: 04/18/2023] Open
Abstract
Serotonin deficiency in major depressive disorder (MDD) has formed the basis of antidepressant drug development and was originally attributed to induction of the major tryptophan (Trp)-degrading enzyme, liver Trp 2,3-dioxygenase (TDO), by cortisol, leading to decreased Trp availability to the brain for serotonin synthesis. Subsequently, the serotonin deficiency was proposed to involve induction of the extrahepatic Trp-degrading enzyme indoleamine 2,3-dioxygenase (IDO) by proinflammatory cytokines, with inflammation being the underlying cause. Recent evidence, however, challenges this latter concept, as not all MDD patients are immune-activated and, when present, inflammation is mild and/or transient. A wide range of antidepressant drugs inhibit the activity of liver TDO and bind specifically to the enzyme, but not to IDO. IDO induction is not a major event in MDD, but, when it occurs, its metabolic consequences may be masked and overridden by upregulation of kynurenine monooxygenase (KMO), the gateway to production of modulators of immune and neuronal functions. KMO appears to be activated in MDD by certain proinflammatory cytokines and antidepressants with anti-inflammatory properties may block this activation. We demonstrate the ability of the antidepressant ketamine to dock (bind) to KMO. The pathophysiology of MDD may be underpinned by both the serotonin deficiency and glutamatergic activation mediated respectively by TDO induction and N-methyl-D-aspartate receptor activation. Inhibition of TDO and KMO should be the focus of MDD pharmacotherapy.
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Affiliation(s)
- Abdulla A-B Badawy
- Formerly School of Health Sciences, Cardiff Metropolitan University, Cardiff CF5 2YB, United Kingdom
| | - Shazia Dawood
- Pharmacy and Allied Health Sciences, Iqra University, Karachi 7580, Pakistan
| | - Samina Bano
- Biochemistry, Karachi University, Karachi 75270, Pakistan
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Shete A, Deshpande S, Sawant J, Warthe N, Thakar M, Madkaikar M, Pradhan V, Rao P, Rohatgi S, Mukherjee A, Anand T, Satija A, Sharma Velamuri P, Das M, Deasi N, Kumar Tembhurne A, Yadav R, Pawaskar S, Rajguru C, Sankhe LR, Chavan SS, Panda S. Higher proinflammatory responses possibly contributing to suppressed cytotoxicity in patients with COVID-19 associated mucormycosis. Immunobiology 2023; 228:152384. [PMID: 37071959 PMCID: PMC10089671 DOI: 10.1016/j.imbio.2023.152384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 03/27/2023] [Accepted: 04/09/2023] [Indexed: 04/20/2023]
Abstract
INTRODUCTION COVID-19 Associated Mucormycosis (CAM), an opportunistic fungal infection, surged during the second wave of SARS Cov-2 pandemic. Since immune responses play an important role in controlling this infection in immunocompetent hosts, it is required to understand immune perturbations associated with this condition for devising immunotherapeutic strategies for its control. We conducted a study to determine different immune parameters altered in CAM cases as compared to COVID-19 patients without CAM. METHODOLOGY Cytokine levels in serum samples of CAM cases (n = 29) and COVID-19 patients without CAM (n = 20) were determined using luminex assay. Flow cytometric assays were carried out in 20 CAM cases and 10 controls for determination of frequency of NK cells, DCs, phagocytes, T cells and their functionalities. The cytokine levels were analyzed for their association with each other as well as with T cell functionality. The immune parameters were also analyzed with respect to the known risk factors such as diabetes mellitus and steroid treatment. RESULTS Significant reduction in frequencies of total and CD56 + CD16 + NK cells (cytotoxic subset) was noted in CAM cases. Degranulation responses indicative of cytotoxicity of T cell were significantly hampered in CAM cases as compared to the controls. Conversely, phagocytic functions showed no difference in CAM cases versus their controls except for migratory potential which was found to be enhanced in CAM cases. Levels of proinflammatory cytokines such as IFN-γ, IL-2, TNF-α, IL-17, IL-1β, IL-18 and MCP-1 were significantly elevated in cases as compared to the control with IFN-γ and IL-18 levels correlating negatively with CD4 T cell cytotoxicity. Steroid administration was associated with higher frequency of CD56 + CD16- NK cells (cytokine producing subset) and higher MCP-1 levels. Whereas diabetic participants had higher phagocytic and chemotactic potential and had higher levels of IL-6, IL-17 and MCP-1. CONCLUSION CAM cases differed from the controls in terms of higher titers of proinflammatory cytokines, reduced frequency of total and cytotoxic CD56 + CD16 + NK cell. They also had reduced T cell cytotoxicity correlating inversely with IFN-γ and IL-18 levels, possibly indicating induction of negative feedback mechanisms while diabetes mellitus or steroid administration did not affect the responses negatively.
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Affiliation(s)
- Ashwini Shete
- ICMR-National AIDS Research Institute (ICMR-NARI), Pune, India.
| | | | - Jyoti Sawant
- ICMR-National AIDS Research Institute (ICMR-NARI), Pune, India
| | - Nidhi Warthe
- ICMR-National AIDS Research Institute (ICMR-NARI), Pune, India
| | - Madhuri Thakar
- ICMR-National AIDS Research Institute (ICMR-NARI), Pune, India
| | - Manisha Madkaikar
- ICMR - National Institute of Immunohematology (ICMR-NIIH), Mumbai, India
| | - Vandana Pradhan
- ICMR - National Institute of Immunohematology (ICMR-NIIH), Mumbai, India
| | - Prajwal Rao
- Dr. D. Y. Patil Medical College, Hospital & Research Centre, Dr. D. Y. Patil Vidyapeeth, Pune, India
| | - Shalesh Rohatgi
- Dr. D. Y. Patil Medical College, Hospital & Research Centre, Dr. D. Y. Patil Vidyapeeth, Pune, India
| | | | - Tanu Anand
- Indian Council of Medical Research, New Delhi, India
| | | | | | | | - Nidhi Deasi
- ICMR - National Institute of Immunohematology (ICMR-NIIH), Mumbai, India
| | | | - Reetika Yadav
- ICMR - National Institute of Immunohematology (ICMR-NIIH), Mumbai, India
| | - Swapnal Pawaskar
- ICMR - National Institute of Immunohematology (ICMR-NIIH), Mumbai, India
| | - Chhaya Rajguru
- Grant Government Medical College and J J group of Hospitals, Mumbai, India
| | | | - Shrinivas S Chavan
- Grant Government Medical College and J J group of Hospitals, Mumbai, India
| | - Samiran Panda
- ICMR-National AIDS Research Institute (ICMR-NARI), Pune, India; Indian Council of Medical Research, New Delhi, India.
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Sun G, Lin CH, Mei G, Gu J, Fan SF, Liu X, Liu R, Liu XW, Chen XS, Zhou C, Yi X, Jin P, Chang CP, Lin XJ. Recovery of neurosurgical high-frequency electroporation injury in the canine brain can be accelerated by 7,8-dihydroxyflavone. Biomed Pharmacother 2023; 160:114372. [PMID: 36773524 DOI: 10.1016/j.biopha.2023.114372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 02/01/2023] [Accepted: 02/03/2023] [Indexed: 02/11/2023] Open
Abstract
BACKGROUND Although traumatic brain injury (TBI) occurs in a very short time, the biological consequence of a TBI, such as Alzheimer's disease, may last a lifetime. To date, effective interventions are not available to improve recovery from a TBI. Herein we aimed to ascertain whether recovery of neurosurgical high-frequency irreversible electroporation (HFIRE) injury in brain tissues can be accelerated by 7,8-dihydroxyflavone (7,8-DHF). METHODS The HFIRE injury was induced in the right parietal cortex of 8 adult healthy and neurologically intact male dogs. Two weeks before HFIRE injury, each dog was administered orally with or without 7,8-DHF (30 mg/kg) once daily for consecutive 2 weeks (n = 4 for each group). The values of blood-brain barrier (BBB) disruption, brain edema, and cerebral infarction volumes were measured. The concentrations of beta-amyloid, interleukin-1β, interleukin-6 and tumor necrosis factor-α in the cerebrospinal fluid were measured biochemically. RESULTS The BBB disruption, brain edema, infarction volumes, and maximal cross-section area caused by HFIRE injury in canine brain were significantly attenuated by 7,8-DHF therapy (P < 0.0001). Additionally, 7,8-DHF significantly reduced the HFIRE-induced cerebral overproduction of beta-amyloid and proinflammatory cytokines in the cerebrospinal fluid (P < 0.0001) in dogs with HFIRE. CONCLUSIONS Recovery of neurosurgical HFIRE injury in canine brain tissues can be accelerated by 7,8-DHT via ameliorating BBB disruption as well as cerebral overproduction of both beta-amyloid and proinflammatory cytokines.
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Affiliation(s)
- Gang Sun
- Department of Medical Imaging, The 960(th) Hospital of Joint Logistics Support Force of PLA, Shandong Province, P.R. China; Key Laboratory of Military Medical Psychology and Stress Biology of PLA, Shandong Province, P.R. China.
| | - Cheng-Hsien Lin
- Department of Medicine, Mackay Medical College, New Taipei, Taiwan; Department of Medical Research, Chi Mei Medical Center, Tainan, Taiwan.
| | - Guiping Mei
- Guangzhou Huaxia Vocational College, Guangdong Province, P.R. China
| | - Jia Gu
- Suzhou Powersite Electric Co., Ltd, Jiangsu Province, P.R. China
| | - Sheng-Fang Fan
- Suzhou Powersite Electric Co., Ltd, Jiangsu Province, P.R. China
| | - Xiaohong Liu
- Department of Pathology, The 960(th) Hospital of Joint Logistics Support Force of PLA, Shandong Province, P.R. China
| | - Ruoxu Liu
- Institute of Military Cognition and Brain Sciences, Academy of Military Medical Sciences, Academy of Military Sciences, Beijing, P.R. China
| | - Xun-Wei Liu
- Department of Medical Imaging, The 960(th) Hospital of Joint Logistics Support Force of PLA, Shandong Province, P.R. China
| | - Xiao-Sen Chen
- Department of Pathology, The 960(th) Hospital of Joint Logistics Support Force of PLA, Shandong Province, P.R. China
| | - Cheng Zhou
- Department of Pathology, The 960(th) Hospital of Joint Logistics Support Force of PLA, Shandong Province, P.R. China
| | - Xueqing Yi
- Department of Medical Imaging, The 960(th) Hospital of Joint Logistics Support Force of PLA, Shandong Province, P.R. China
| | - Peng Jin
- Department of Medical Imaging, The 960(th) Hospital of Joint Logistics Support Force of PLA, Shandong Province, P.R. China
| | - Ching-Ping Chang
- Department of Medical Research, Chi Mei Medical Center, Tainan, Taiwan.
| | - Xiao-Jing Lin
- Department of Medical Imaging, The 960(th) Hospital of Joint Logistics Support Force of PLA, Shandong Province, P.R. China; Key Laboratory of Military Medical Psychology and Stress Biology of PLA, Shandong Province, P.R. China.
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Parrado AC, Salaverry LS, Macchi R, Bessone ML, Mangone FM, Castro M, Canellada AM, Rey-Roldán EB. Immunomodulatory effect of dopamine in human keratinocytes and macrophages under chronical bisphenol-A exposure conditions. Immunobiology 2023; 228:152335. [PMID: 36689825 DOI: 10.1016/j.imbio.2023.152335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 12/15/2022] [Accepted: 01/09/2023] [Indexed: 01/12/2023]
Abstract
Dopamine is a key neurotransmitter that links the nervous and the immune system. Bisphenol A (BPA) is an endocrine disruptor with a wide distribution in the environment that is used in the manufacturing of plastic products. Evidence shows that BPA can interfere with the central dopaminergic transmission; however, there are no previous reports of this effect outside the central nervous system. Thus, the aim of this work was to investigate the in vitro mechanisms of action involved in the response to dopamine in both human keratinocyte and macrophage cell lines chronically exposed to BPA. Dopamine modulates cytokine secretion and NF-κB expression in BPA-treated HaCaT keratinocytes, without modifying these parameters in BPA-treated THP-1 macrophages. In addition, dopamine increases MMP activity in both BPA-treated cell lines, although it decreases keratinocytes migration. We suggest the immunomodulatory effect of dopamine might be different in keratinocytes and macrophages under chronical BPA exposure conditions. These findings revealed for the first time the in vitro immunomodulatory effect of dopamine in the presence of BPA at peripheral level.
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Affiliation(s)
- Andrea Cecilia Parrado
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Departamento de Microbiología, Inmunología, Biotecnología y Genética, Cátedra de Inmunología, Junín 956, Buenos Aires C113AAD, Argentina; Universidad de Buenos Aires, CONICET, Instituto de Estudios de la Inmunidad Humoral "Prof. Dr. Ricardo A. Margni" (IDEHU), Junín 956, Buenos Aires C113AAD, Argentina.
| | - Luciana S Salaverry
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Departamento de Microbiología, Inmunología, Biotecnología y Genética, Cátedra de Inmunología, Junín 956, Buenos Aires C113AAD, Argentina.
| | - Rosario Macchi
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Departamento de Microbiología, Inmunología, Biotecnología y Genética, Cátedra de Inmunología, Junín 956, Buenos Aires C113AAD, Argentina.
| | - Marco L Bessone
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Departamento de Microbiología, Inmunología, Biotecnología y Genética, Cátedra de Inmunología, Junín 956, Buenos Aires C113AAD, Argentina.
| | - Franco M Mangone
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Departamento de Microbiología, Inmunología, Biotecnología y Genética, Cátedra de Inmunología, Junín 956, Buenos Aires C113AAD, Argentina; Instituto Multidisciplinario de Investigaciones en Patologías Pediátricas (IMIPP), CONICET-GCBA, Argentina(1).
| | - Marisa Castro
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Departamento de Microbiología, Inmunología, Biotecnología y Genética, Cátedra de Inmunología, Junín 956, Buenos Aires C113AAD, Argentina; Universidad de Buenos Aires, CONICET, Instituto de Estudios de la Inmunidad Humoral "Prof. Dr. Ricardo A. Margni" (IDEHU), Junín 956, Buenos Aires C113AAD, Argentina.
| | - Andrea M Canellada
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Departamento de Microbiología, Inmunología, Biotecnología y Genética, Cátedra de Inmunología, Junín 956, Buenos Aires C113AAD, Argentina; Universidad de Buenos Aires, CONICET, Instituto de Estudios de la Inmunidad Humoral "Prof. Dr. Ricardo A. Margni" (IDEHU), Junín 956, Buenos Aires C113AAD, Argentina.
| | - Estela B Rey-Roldán
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Departamento de Microbiología, Inmunología, Biotecnología y Genética, Cátedra de Inmunología, Junín 956, Buenos Aires C113AAD, Argentina; Universidad de Buenos Aires, CONICET, Instituto de Estudios de la Inmunidad Humoral "Prof. Dr. Ricardo A. Margni" (IDEHU), Junín 956, Buenos Aires C113AAD, Argentina.
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Miftahussurur M, Alfaray RI, Fauzia KA, Dewayani A, Doohan D, Waskito LA, Rezkitha YAA, Utomo DH, Somayana G, Fahrial Syam A, Lubis M, Akada J, Matsumoto T, Yamaoka Y. Low-grade intestinal metaplasia in Indonesia: Insights into the expression of proinflammatory cytokines during Helicobacter pylori infection and unique East-Asian CagA characteristics. Cytokine 2023; 163:156122. [PMID: 36640695 DOI: 10.1016/j.cyto.2022.156122] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Revised: 12/28/2022] [Accepted: 12/28/2022] [Indexed: 01/15/2023]
Abstract
Helicobacter pylori infection is a major cause of intestinal metaplasia. In this study, we aimed to understand the reason underlying the low grade and incidence of intestinal metaplasia in Indonesia, based on the expression of genes encoding proinflammatory cytokines in gastric biopsy specimens. The possible reasons for the lesser virulence of the East-Asian-type CagA in Indonesia than that of the Western-type CagA, which is not common in other countries, were also investigated. The mRNA expression of cytokines was evaluated using real-time PCR. CagA characteristics were analyzed using in silico analysis. The expression of cytokines was typically not robust, among H. pylori-infected subjects in Indonesia, despite them predominantly demonstrating the East-Asian-type CagA. This might partially be explained by the characteristics of the East-Asian-type CagA in Indonesia, which showed a higher instability index and required higher energy to interact with proteins related to the cytokine induction pathway compared with the other types (p < 0.001 and p < 0.05, respectively). Taken together, besides the low prevalence of H. pylori, the low inflammatory response of the host and low CagA virulence, even among populations with high infection rates, may play an essential role in the low grade and low incidence of intestinal metaplasia in Indonesia. We believe that these findings would be relevant for better understanding of intestinal metaplasia, which is closely associated with the development of gastric cancer.
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Affiliation(s)
- Muhammad Miftahussurur
- Division of Gastroentero-Hepatology, Department of Internal Medicine, Faculty of Medicine-Dr. Soetomo Teaching Hospital, Universitas Airlangga, Jalan Mayjend Prof, Dr. Moestopo, No. 6-8, Surabaya, Surabaya 60131, Indonesia; Helicobacter pylori and Microbiota Study Group, Institute of Tropical Disease, Universitas Airlangga, Surabaya 60115, Indonesia.
| | - Ricky Indra Alfaray
- Helicobacter pylori and Microbiota Study Group, Institute of Tropical Disease, Universitas Airlangga, Surabaya 60115, Indonesia; Department of Environmental and Preventive Medicine, Oita University Faculty of Medicine, 1-1, Idaigaoka, Hasama-machi, Yufu Oita 879-5593, Japan.
| | - Kartika Afrida Fauzia
- Helicobacter pylori and Microbiota Study Group, Institute of Tropical Disease, Universitas Airlangga, Surabaya 60115, Indonesia; Department of Environmental and Preventive Medicine, Oita University Faculty of Medicine, 1-1, Idaigaoka, Hasama-machi, Yufu Oita 879-5593, Japan; Department of Public Health and Preventive Medicine, Faculty of Medicine, Universitas Airlangga, Surabaya 60132, Indonesia.
| | - Astri Dewayani
- Helicobacter pylori and Microbiota Study Group, Institute of Tropical Disease, Universitas Airlangga, Surabaya 60115, Indonesia; Department of Infectious Disease Control, Oita University Faculty of Medicine, 1-1, Idaigaoka, Hasama-machi, Yufu, Oita 879-5593, Japan; Department of Anatomy, Histology and Pharmacology, Universitas Airlangga, Surabaya 60131, Indonesia.
| | - Dalla Doohan
- Helicobacter pylori and Microbiota Study Group, Institute of Tropical Disease, Universitas Airlangga, Surabaya 60115, Indonesia; Department of Anatomy, Histology and Pharmacology, Universitas Airlangga, Surabaya 60131, Indonesia.
| | - Langgeng Agung Waskito
- Helicobacter pylori and Microbiota Study Group, Institute of Tropical Disease, Universitas Airlangga, Surabaya 60115, Indonesia; Department of Physiology and Medical Biochemistry, Faculty of Medicine, Universitas Airlangga, Surabaya, 60132, Indonesia; Department of Internal Medicine, Faculty of Medicine, Universitas Airlangga, Surabaya 60132, Indonesia.
| | - Yudith Annisa Ayu Rezkitha
- Helicobacter pylori and Microbiota Study Group, Institute of Tropical Disease, Universitas Airlangga, Surabaya 60115, Indonesia; Department of Internal Medicine, Faculty of Medicine, University of Muhammadiyah, Surabaya, Surabaya 60113, Indonesia.
| | - Didik Huswo Utomo
- Research and Education Center for Bioinformatics, Indonesia Institute of Bioinformatics, Malang 65162, Indonesia.
| | - Gde Somayana
- Gastroentero Hepatology Division, Department of Internal Medicine, Faculty of Medicine-Sanglah Hospital, Udayana University, Denpasar, Bali 80114, Indonesia.
| | - Ari Fahrial Syam
- Division of Gastroenterology, Department of Internal Medicine, Faculty of Medicine-Cipto Mangunkusumo Teaching Hospital, University of Indonesia, Jakarta 10430, Indonesia.
| | - Masrul Lubis
- Division of Gastroenterology, Department of Internal Medicine, Faculty of Medicine-Cipto Mangunkusumo Teaching Hospital, Universitas Sumatera Utara, Medan 20222, Indonesia
| | - Junko Akada
- Department of Environmental and Preventive Medicine, Oita University Faculty of Medicine, 1-1, Idaigaoka, Hasama-machi, Yufu Oita 879-5593, Japan.
| | - Takashi Matsumoto
- Department of Environmental and Preventive Medicine, Oita University Faculty of Medicine, 1-1, Idaigaoka, Hasama-machi, Yufu Oita 879-5593, Japan.
| | - Yoshio Yamaoka
- Department of Environmental and Preventive Medicine, Oita University Faculty of Medicine, 1-1, Idaigaoka, Hasama-machi, Yufu Oita 879-5593, Japan; Department of Medicine, Gastroenterology and Hepatology Section, Baylor College of Medicine, Houston, TX 77030, USA.
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Wang YT, Lu K, Yao DD, Zhang SX, Chen G. Anti-inflammatory and analgesic effect of Forsythiaside B on complete Freund's adjuvant-induced inflammatory pain in mice. Biochem Biophys Res Commun 2023; 645:55-60. [PMID: 36680937 DOI: 10.1016/j.bbrc.2023.01.036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Accepted: 01/13/2023] [Indexed: 01/15/2023]
Abstract
Chronic pain is frequently reported in clinical practice. Therefore, it is important to identify effective therapy to relieve pain. In this work, we selected Forsythoside B (FB), a phenylethanoid glycoside isolated from Forsythia suspensa (Thunb.) Vahl, to evaluate its effect in modulating inflammatory pain induced by complete Freund's adjuvant (CFA) and the involved mechanisms. We discovered that FB could attenuate inflammatory pain triggered by CFA injection and exert anti-anxiety effects. In detail, proinflammatory cytokines, consisting of IL-6 and TNF-α, were decreased after FB administration in the CFA-injected mice. Furthermore, the FB application ameliorated the activation of ionized calcium-binding adaptor molecule 1 (Iba-1) and glial fibrillary acidic protein (GFAP), the microglia and astrocytes markers respectively. Therefore, our findings indicate that FB could be a promising treatment for chronic inflammatory pain.
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Affiliation(s)
- Yu-Ting Wang
- Department of Anesthesiology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Kai Lu
- Department of Anesthesiology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Dan-Dan Yao
- Department of Anesthesiology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Shu-Xia Zhang
- Department of Anesthesiology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Gang Chen
- Department of Anesthesiology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China.
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Arreola-Ramírez JL, Vargas MH, Carbajal V, Alquicira-Mireles J, Montaño M, Ramos-Abraham C, Ortiz-Quintero B, Torres-Machorro AL, Rodríguez-Velasco A, Esquivel-Campos AL, Vásquez-Vásquez JA, Segura-Medina P. Mesenchymal stem cells attenuate the proinflammatory cytokine pattern in a guinea pig model of chronic cigarette smoke exposure. Cytokine 2023; 162:156104. [PMID: 36493630 DOI: 10.1016/j.cyto.2022.156104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 11/16/2022] [Accepted: 11/26/2022] [Indexed: 12/13/2022]
Abstract
AIMS Cigarette smoke often induces pulmonary and systemic inflammation. In animal models, mesenchymal stem cells (MSC) tend to ameliorate these effects. We aimed to explore the local and systemic expression of cytokines in guinea pigs chronically exposed to cigarette smoke, and their modifications by MSC. MAIN METHODS Concentrations of IL-1β, IL-6, IL-8, IL-12, TNF-α, INF-ɣ, TSG-6, MMP-9, TIMP-1, and/or TIMP-2 in serum and bronchoalveolar lavage (BALF) from animals exposed to tobacco smoke (20 cigarettes/day, 5 days/week for 10 weeks) were determined, and mRNA expression of some of them was measured in lung tissue. Intratracheal instillation of allogeneic bone marrow MSC (5x106 cells in 1 ml) was done at week 2. KEY FINDINGS After cigarette smoke, IL-6 and IFN-γ increased in serum and BALF, while IL-1β and IL-12 decreased in serum, and TSG-6 and TIMP-2 increased in BALF. IL-1β had a paradoxical increase in BALF. MSC had an almost null effect in unexposed animals. The intratracheal administration of MSC in guinea pigs exposed to cigarette smoke was associated with a statistically significant decrease of IL-12 and TSG-6 in serum, as well as a decrease of IL-1β and IFN-γ and an increase in TIMP-1 in BALF. Concerning mRNA expression in lung tissue, cigarette smoke did not modify the relative amount of the studied transcripts, but even so, MSC decreased the IL-12 mRNA and increased the TIMP-1 mRNA. SIGNIFICANCE A single intratracheal instillation of MSC reduces the pulmonary and systemic proinflammatory pattern induced by chronic exposure to cigarette smoke in guinea pigs. TRIAL REGISTRATION Not applicable.
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Affiliation(s)
- José Luis Arreola-Ramírez
- Departamento de Investigación en Hiperreactividad Bronquial, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Calzada de Tlalpan 4502, CP 14080, Mexico City, Mexico.
| | - Mario H Vargas
- Departamento de Investigación en Hiperreactividad Bronquial, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Calzada de Tlalpan 4502, CP 14080, Mexico City, Mexico
| | - Verónica Carbajal
- Departamento de Investigación en Hiperreactividad Bronquial, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Calzada de Tlalpan 4502, CP 14080, Mexico City, Mexico
| | - Jesús Alquicira-Mireles
- Departamento de Investigación en Hiperreactividad Bronquial, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Calzada de Tlalpan 4502, CP 14080, Mexico City, Mexico
| | - Martha Montaño
- Departamento de Investigación en Fibrosis Pulmonar, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Calzada de Tlalpan 4502, CP 14080, Mexico City, Mexico
| | - Carlos Ramos-Abraham
- Departamento de Investigación en Fibrosis Pulmonar, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Calzada de Tlalpan 4502, CP 14080, Mexico City, Mexico
| | - Blanca Ortiz-Quintero
- Departamento de Investigación en Bioquímica, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Calzada de Tlalpan 4502, CP 14080, Mexico City, Mexico
| | - Ana Lilia Torres-Machorro
- Departamento de Investigación en Fibrosis Pulmonar, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Calzada de Tlalpan 4502, CP 14080, Mexico City, Mexico
| | - Alicia Rodríguez-Velasco
- Servicio de Anatomía Patológica, Hospital de Pediatría, Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Av. Cuauhtémoc 330, CP 06720, Mexico City, Mexico
| | - Ana Laura Esquivel-Campos
- Laboratorio de Investigación en Biología Experimental, Universidad Autónoma Metropolitana, Mexico City, Mexico
| | | | - Patricia Segura-Medina
- Departamento de Investigación en Hiperreactividad Bronquial, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Calzada de Tlalpan 4502, CP 14080, Mexico City, Mexico; Escuela de Medicina y Ciencias de la Salud, Tecnológico de Monterrey, Mexico City, Mexico
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Huang J, Zhang Q, Luo Y. Evaluation and optimization of the immunohistochemistry antigen retrieval methods on mouse decalcified joint tissues. J Immunol Methods 2023; 513:113424. [PMID: 36626964 DOI: 10.1016/j.jim.2023.113424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 10/31/2022] [Accepted: 01/06/2023] [Indexed: 01/09/2023]
Abstract
To evaluate and optimize antigen retrieval (AR) methods for the detection of NF-κB, interleukin-1β, interleukin-6, interferon regulatory factor 5 and matrix metalloproteinase-3 expression in mouse joint tissue using immunohistochemistry (IHC). This study evaluated the differences in several AR methods, including pressure cooking (PC), microwave treatment (MW), water bath cooking (WB), trypsin retrieval (TYR), improved water bath cooking (IWB), and enhanced alkaline pH of IWB (EIWB), in tissue integrity maintenance and IHC staining specificity. The AR methods of TYR and IWB maintained the integrity of the tissue to a great extent. The PC, MW, WB, and EIWB resulted in tissue detachment and were not appropriate for subsequent IHC staining. TYR maintained better tissue morphology and staining intensity than IWB, while the IWB retrieval method had a higher percentage of IHC-positive staining and a less nonspecific background. Both the TYR and IWB AR methods were suitable for IHC staining and could effectively resolve the challenges of tissue detachment, insufficient staining, and nonspecific background in paraffin sections of mouse decalcified joint tissues.
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Affiliation(s)
- Jianbo Huang
- Laboratory of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu 610041, PR China; Laboratory of Ultrasound Medicine, Department of Ultrasound, West China Hospital, Sichuan University, Chengdu 610041, PR China
| | - Qiuping Zhang
- Laboratory of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu 610041, PR China
| | - Yubin Luo
- Laboratory of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu 610041, PR China.
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50
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Yu JI, Cho YH, Seo TB, Kim YP. Effect of combined intervention of exercise and autologous bone marrow stromal cell transplantation on neurotrophic factors and pain-related cascades over time after sciatic nerve injury. J Exerc Rehabil 2023; 19:19-26. [PMID: 36910683 PMCID: PMC9993005 DOI: 10.12965/jer.2244006.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 01/11/2023] [Indexed: 02/25/2023] Open
Abstract
The purpose of this study was to determine whether combined inter-vention of treadmill exercise and bone marrow stromal cell (BMSC) transplantation would affect the expression of neurotrophic factors in the sciatic nerve injury (SNI) and neuropathic pain-related cascades in ipsilateral lumbar 4-5 dorsal root ganglion (DRG) during the early or late stage of sciatic nerve regeneration. The rats were randomly divided into the normal control group (CONT, n=6), sedentary group (SS, n=24), exercise group (SE, n=24), BMSC transplantation group (SB, n=24), BMSC transplantation+exercise group (SBE, n=24) 1, 2, 3, and 5 weeks after SNI. Single dose of 5×106 harvested BMSC was injected into the injury area sing by a 30 gauge needle. Treadmill exercise was performed at a speed of 8 m/min for 30 min once a day. Tropomyosin-receptor kinase B, brain-derived neurotrophic factor and ciliary neurotrophic fac-tor were significantly upregulated in the SE and SBE groups at 1- and 2-week postinjury than those in the CONT and SS groups, and SB and SBE groups continuously kept up proinflammatory cytokines until the late stage of regeneration. Nuclear factor kappa-light-chain-enhancer of activated B cells, interleukin and tumor necrosis factor alpha in ipsi-lateral DRG were progressively decreased by exercise alone application and/or BMSC transplantation at early and late stage of regeneration. Present results provide reliable information that combined intervention of treadmill exercise and BMSC transplantation might be one of the effective treatment strategies for recovering sciatic nerve injury-induced neuropathic pain over time.
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Affiliation(s)
- Joo-In Yu
- Department of Kinesiology, College of Natural Science, Jeju National University, Jeju, Korea
| | - Yeong-Hyun Cho
- Department of Kinesiology, College of Natural Science, Jeju National University, Jeju, Korea
| | - Tae-Beom Seo
- Department of Kinesiology, College of Natural Science, Jeju National University, Jeju, Korea
| | - Young-Pyo Kim
- Department of Kinesiology, College of Natural Science, Jeju National University, Jeju, Korea
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