Immunopharmacology and Immunotoxicology最新文献

{"title":"Attenuation of adjuvant-induced arthritis with carnosic acid by inhibiting mPGES-1, COX-2, and bone loss in male SD rats.","authors":"Shweta Shrivastava, Tribhuwan Bahuguna, Sudipto Mondal, Sunil Kumar, Bijo Mathew, Manish Kumar Jeengar, V G M Naidu","doi":"10.1080/08923973.2024.2377984","DOIUrl":"10.1080/08923973.2024.2377984","url":null,"abstract":"<p><strong>Objective: </strong>Rheumatoid arthritis (RA), a chronic inflammatory disease, is characterized by joint swelling, cartilage erosion, and bone destruction. This study investigated the therapeutic efficacy of Carnosic acid (CA), a natural compound with anti-inflammatory and antioxidant properties, in an adjuvant-induced arthritis model.</p><p><strong>Methods: </strong>Paw swelling and arthritis index were measured. Oxidative stress markers, including lipid peroxidation and antioxidant enzyme levels, were assessed. Synovial tissue was analyzed for pro-inflammatory markers using real-time Q-PCR and Western blotting. The expression of mPGES-1 was determined by Western blotting. Peripheral neuropathic pain was assessed using cold and mechanical allodynia tests. Bone loss was quantitatively assessed through microcomputed tomography (μCT) scanning of femurs and X-ray radiography. Indomethacin-induced gastric ulcers were evaluated. Molecular docking studies were conducted to analyze the binding affinity of CA to mPGES-1.</p><p><strong>Results: </strong>The CA treatment not only demonstrated a significant reduction in joint inflammation and paw swelling but also mitigated oxidative stress and improved the antioxidant defence system. CA inhibited microsomal prostaglandin E synthase-1 (mPGES-1) expression and the expression of pro-inflammatory molecules such as inducible nitric oxide synthase (iNOS) and cyclooxygenases-2 (COX-2), thus attenuating the arthritis symptoms without severe gastrointestinal side effects. Additionally, it inhibited the expression of pro-inflammatory molecules such as iNOS and COX-2, contributing to the reduction of arthritis symptoms. Notably, CA treatment prevented the common side effects of traditional RA treatments like corticosteroids and non-steroidal anti-inflammatory drugs (NSAIDs), including weight loss, bone degradation, and gastric ulcers.</p><p><strong>Conclusions: </strong>These findings suggest that CA, through specific enzyme inhibition, offers a compelling alternative therapeutic approach for RA. Further research is warranted to explore the potential of CA in other arthritis models and its suitability for human RA treatment.</p>","PeriodicalId":13420,"journal":{"name":"Immunopharmacology and Immunotoxicology","volume":null,"pages":null},"PeriodicalIF":2.9,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141626665","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Nobiletin derivative, 5-acetoxy-6,7,8,3',4'-pentamethoxyflavone, inhibits neuroinflammation through the inhibition of TLR4/MyD88/MAPK signaling pathways and STAT3 in microglia.","authors":"Jimmy Ming-Jung Chuang, Hsien-Lin Chen, Chi-I Chang, Jia-Syuan Lin, Hui-Min Chang, Wan-Ju Wu, Mei-Ying Lin, Wu-Fu Chen, Chien-Hsing Lee","doi":"10.1080/08923973.2024.2360050","DOIUrl":"10.1080/08923973.2024.2360050","url":null,"abstract":"<p><strong>Objective: </strong>Microglia in the central nervous system regulate neuroinflammation that leads to a wide range of neuropathological alterations. The present study investigated the anti-neuroinflammatory properties of nobiletin (Nob) derivative, 5-acetoxy-6,7,8,3',4'-pentamethoxyflavone (5-Ac-Nob), in lipopolysaccharide (LPS)-activated BV2 microglia.</p><p><strong>Materials and methods: </strong>By using the MTT assay, Griess method, flow cytometry, and enzyme-linked immunosorbent assay (ELISA), we determined the cell viability, the levels of nitric oxide (NO), reactive oxygen species (ROS), and pro-inflammatory factors (interleukin 1 beta; IL-1β, interleukin 6; IL-6, tumor necrosis factor alpha; TNF-α and prostaglandin E2; PGE2) in LPS-stimulated BV2 microglia. Toll-like receptor 4 (TLR4)-mediated myeloid differentiation primary response gene 88 (MyD88)/nuclear factor-kappa B (NF-κB), mitogen-activated protein kinase (MAPK) signaling pathway and signal transducer and activator of transcription 3 (STAT3) were measured by western blotting. Analysis of NO generation and mRNA of pro-inflammatory cytokines was confirmed in the zebrafish model.</p><p><strong>Results: </strong>5-Ac-Nob reduced cell death, the levels of NO, ROS, inducible nitric oxide synthase (iNOS), cyclooxygenase 2 (COX-2), and pro-inflammatory factors in LPS-activated BV-2 microglial cells. TLR4-mediated MyD88/NF-κB and MAPK pathway (p38, ERK and JNK) after exposure to 5-Ac-Nob was also suppressed. Moreover, 5-Ac-Nob inhibited phosphorylated STAT3 proteins expression in LPS-induced BV-2 microglial cells. Furthermore, we confirmed that 5-Ac-Nob decreased LPS-induced NO generation and mRNA of pro-inflammatory cytokines in the zebrafish model.</p><p><strong>Conclusions: </strong>Our findings suggest that 5-Ac-Nob represses neuroinflammatory responses by inhibiting TLR4-mediated signaling pathway and STAT3. As a result of these findings, 5-Ac-Nob has potential as an anti-inflammatory agent against microglia-mediated neuroinflammatory disorders.</p>","PeriodicalId":13420,"journal":{"name":"Immunopharmacology and Immunotoxicology","volume":null,"pages":null},"PeriodicalIF":2.9,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141154640","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Desloratadine <i>via</i> its anti-inflammatory and antioxidative properties ameliorates TNBS-induced experimental colitis in rats.","authors":"Mohammad Aadil Bhat, Supriya Roy, Suneela Dhaneshwar, Swatantra Kumar, Shailendra K Saxena","doi":"10.1080/08923973.2024.2360043","DOIUrl":"10.1080/08923973.2024.2360043","url":null,"abstract":"<p><strong>Background: </strong>Intestinal mucosal immune cells, notably mast cells, are pivotal in ulcerative colitis (UC) pathophysiology. Its activation elevates tissue concentrations of histamine. Inhibiting colonic histamine release could be an effective therapeutic strategy for treating UC. Experimental model like 2,4,6-trinitrobenzene sulfonic acid (TNBS)-induced colitis in rats mimic human IBD, aiding treatment investigations. Drug repurposing is a promising strategy to explore new indications for established drugs. Desloratadine (DES) is second-generation antihistamine utilized for managing allergies by blocking histamine action in the body. It also has reported anti-inflammatory and antioxidant actions.</p><p><strong>Objective: </strong>DES was investigated for its repurposing potential in UC by preclinical screening in TNBS-induced colitis in Wistar rats.</p><p><strong>Methods: </strong>Therapeutic efficacy of DES was evaluated both individually and in combination with standard drug 5-aminosalicylicacid (5-ASA). Rats were orally administered DES (10 mg/kg), 5-ASA (25 mg/kg), and DES + 5-ASA (5 mg + 12.15 mg) following the induction of colitis. Parameters including disease activity score rate (DASR), colon/body weight ratio (CBWR), colon length, diameter, pH, histological injury, and scoring were evaluated. Inflammatory biomarkers such as IL-1β, TNF-α, along with reduced glutathione (GSH), and malondialdehyde (MDA) were assessed.</p><p><strong>Results: </strong>Significant protective effects of DES, especially in combination with 5-ASA, against TNBS-induced inflammation were observed as evidenced by reduced DASR, CBWR, and improved colon morphology. Drugs significantly lowered plasma and colon histamine and, cytokines levels. GSH restoration, and decreased MDA content were also observed.</p><p><strong>Conclusion: </strong>DES and DES + 5-ASA demonstrated potential in alleviating colonic inflammation associated with TNBS-induced colitis in rats. The effect can be attributed to its antihistamine, anticytokine, and antioxidative properties.</p>","PeriodicalId":13420,"journal":{"name":"Immunopharmacology and Immunotoxicology","volume":null,"pages":null},"PeriodicalIF":2.9,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141179289","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Cardamonin inhibits the expression of inflammatory mediators in TNF-α-stimulated human periodontal ligament cells.","authors":"Risa Okamoto, Yoshitaka Hosokawa, Ikuko Hosokawa, Kazumi Ozaki, Keiichi Hosaka","doi":"10.1080/08923973.2024.2373217","DOIUrl":"10.1080/08923973.2024.2373217","url":null,"abstract":"<p><strong>Objective: </strong>Periodontis is a chronic inflammatory disease induced by periodontopathogenic bacteria. The excessive immune response caused by persistent bacterial infection leads to alveolar bone resorption and ultimately tooth loss. Cardamonin is a biologically active substance that is found in the Zingiberaceae family, such as Alpinia zerumbet, and is classified as a natural chalcone. There have been no attempts to use cardamonin for the treatment of periodontitis, and no reports have examined the effects of cardamonin on periodontal tissue component cells. The aim of this study was to analyze effects of cardamonin on expression of inflammation mediators produced by TNFα-stimulated human periodontal ligament cells (HPDLCs), including its effects on signal transduction molecules.</p><p><strong>Methods: </strong>Cytokine and chemokine levels were measured by ELISA. Protein expression in HPDLCs and activations of signal transduction pathway were determined by Western blotting.</p><p><strong>Results: </strong>Our results indicate that cardamonin suppresses C-C motif chemokine ligand (CCL)2, CCL20, C-X-C motif chemokine ligand (CXCL)10, and interleukin (IL)-6 production and intercellular adhesion molecule (ICAM)-1 and cyclooxygenase (COX)-2 expression in TNF-α-stimulated HPDLCs. In addition, cardamonin induced the expression of the antioxidant enzyme, Heme Oxygenase <b>(</b>HO)-1, in HPDLCs. Furthermore, cardamonin suppressed TNF-α-stimulated c-Jun N-terminal kinase (JNK), nuclear factor (NF)-κB, and signal transducer and activator of transcription (STAT)3 signaling pathways in HPDLCs.</p><p><strong>Conclusion: </strong>We show that cardamonin reduces inflammatory mediator production by inhibiting the activation of several signaling pathways in this manuscript.</p>","PeriodicalId":13420,"journal":{"name":"Immunopharmacology and Immunotoxicology","volume":null,"pages":null},"PeriodicalIF":2.9,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141450404","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Citicoline modulates inflammatory signaling pathways in the spleen of rats exposed to gamma-radiation.","authors":"Nahed Abdel-Aziz, Mostafa Saif-Elnasr","doi":"10.1080/08923973.2024.2381759","DOIUrl":"10.1080/08923973.2024.2381759","url":null,"abstract":"<p><strong>Background and aim: </strong>The spleen has an essential role in immune responses regulation and is considered the biggest peripheral immune organ. Citicoline is used for various brain disorders management. This study aimed to examine the using possibility of citicoline to treat γ-radiation-induced splenic inflammation in rats.</p><p><strong>Materials and methods: </strong>Eighteen male albino rats were classified into: Group 1 (control) animals were kept as control. Group 2 (γ-radiation) animals were total-body γ-irradiated with 6 Gy. Group 3 (γ-radiation + citicoline) rats were γ-irradiated with 6 Gy, then injected intraperitoneally with citicoline (300 mg/kg/d) 5 min after irradiation for one week. Levels of TNF-α, IL-1β, iNOS, NF-κB, JAK2, and STAT3 were determined in spleen tissue, along with histopathological examination.</p><p><strong>Results: </strong>Rats exposure to gamma-radiation led to elevation in splenic TNF-α, IL-1β, NF-κB, iNOS, JAK2, and STAT3 levels significantly. Treatment with citicoline after gamma-radiation exposure improved this elevation, and modulated gamma-radiation-induced histopathological alterations.</p><p><strong>Conclusions: </strong>This data showed that citicoline inhibited γ-radiation-induced splenic inflammation <i>via</i> suppressing NF-κB and JAK2/STAT3 signaling pathways in spleen tissue.</p>","PeriodicalId":13420,"journal":{"name":"Immunopharmacology and Immunotoxicology","volume":null,"pages":null},"PeriodicalIF":2.9,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141758478","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"5,7,3',4'-Tetramethoxyflavone suppresses TGF-β1-induced activation of murine fibroblasts in vitro and ameliorates bleomycin-induced pulmonary fibrosis in mice.","authors":"Wen-Chien Cheng, Pei Ying Chen, Xiang Zhang, Yu-Kang Chang, Kok-Tong Tan, Tim C C Lin","doi":"10.1080/08923973.2024.2371150","DOIUrl":"10.1080/08923973.2024.2371150","url":null,"abstract":"<p><strong>Objective: </strong>This study aimed to investigate the use of 5,7,3',4'-tetramethoxyflavone (TMF) to treat pulmonary fibrosis (PF), a chronic and fatal lung disease. <i>In vitro</i> and <i>in vivo</i> models were used to examine the impact of TMF on PF.</p><p><strong>Methods: </strong>NIH-3T3 (Mouse Embryonic Fibroblast) were exposed to transforming growth factor‑β1 (TGF-β1) and treated with or without TMF. Cell growth was assessed using the MTT method, and cell migration was evaluated with the scratch wound assay. Protein and messenger ribonucleic acid (mRNA) levels of extracellular matrix (ECM) genes were analyzed by western blotting and quantitative reverse transcription-polymerase chain reaction (RT-PCR), respectively. Downstream molecules affected by TGF-β1 were examined by western blotting. <i>In vivo</i>, mice with bleomycin-induced PF were treated with TMF, and lung tissues were analyzed with staining techniques.</p><p><strong>Results: </strong>The <i>in vitro</i> results showed that TMF had no significant impact on cell growth or migration. However, it effectively inhibited myofibroblast activation and ECM production induced by TGF-β1 in NIH-3T3 cells. This inhibition was achieved by suppressing various signaling pathways, including Smad, mitogen-activated protein kinase (MAPK), phosphoinositide 3-kinase/AKT (PI3K/AKT), and WNT/β-catenin. The <i>in vivo</i> experiments demonstrated the therapeutic potential of TMF in reducing PF induced by bleomycin in mice, and there was no significant liver or kidney toxicity observed.</p><p><strong>Conclusion: </strong>These findings suggest that TMF has the potential to effectively inhibit myofibroblast activation and could be a promising treatment for PF. TMF achieves this inhibitory effect by targeting TGF-β1/Smad and non-Smad pathways.</p>","PeriodicalId":13420,"journal":{"name":"Immunopharmacology and Immunotoxicology","volume":null,"pages":null},"PeriodicalIF":2.9,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141476504","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Prospective therapeutic targets and recent advancements in the treatment of inflammatory bowel disease.","authors":"Akshit Sinha, Supriya Roy","doi":"10.1080/08923973.2024.2381756","DOIUrl":"10.1080/08923973.2024.2381756","url":null,"abstract":"<p><strong>Objective: </strong>Inflammatory Bowel Disease (IBD) poses a persistent challenge in the realm of gastroenterology, necessitating continual exploration of innovative treatment strategies. The limited efficacy and potential side effects associated with existing therapeutic modalities underscore the urgent need for novel approaches in IBD management. This study aims to examine potential therapeutic targets and recent advancements in understanding the disease's intricate pathogenesis, with a spotlight on the gut microbiome, immune dysregulation, and genetic predispositions.</p><p><strong>Methods: </strong>A comprehensive review was conducted to delve into the pressing demand for new avenues in IBD treatment. The study examined potential therapeutic targets such as phosphodiesterase 4 (PDE4) inhibitors, immune system modulators, Tyrosine kinase receptors (TYK), Toll-like receptors (TLRs), modulation of the gut microbiota, stem cell therapy, fibrosis management, interleukins (ILs) regulation, and oxidative stress mitigation. Additionally, advances in precision medicine, biologics, small molecule inhibitors, and microbiome modulation techniques were explored.</p><p><strong>Results: </strong>The investigation unveiled promising therapeutic targets and provided insights into recent breakthroughs that herald a transformative era in the therapeutic landscape for IBD. Advances in precision medicine, biologics, small molecule inhibitors, and the exploration of microbiome modulation techniques stood out as pivotal milestones in the field of gastroenterology.</p><p><strong>Conclusions: </strong>The findings offer renewed hope for enhanced efficacy, reduced side effects, and improved patient outcomes in the treatment of IBD. These innovative approaches necessitate continual exploration and underscore the urgent need for novel strategies in IBD management, potentially revolutionizing the realm of gastroenterology.</p>","PeriodicalId":13420,"journal":{"name":"Immunopharmacology and Immunotoxicology","volume":null,"pages":null},"PeriodicalIF":2.9,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141626666","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The natural sesquiterpene lactone inulicin suppresses the production of pro-inflammatory mediators via inhibiting NF-κB and AP-1 pathways in LPS-activated macrophages.","authors":"Jingjing Yan, Min Cai, Chenchen Zang, Wenjing Li, Zhuangzhuang Liu, Ximeng Li, Yuan Gao, Yun Qi","doi":"10.1080/08923973.2024.2384899","DOIUrl":"10.1080/08923973.2024.2384899","url":null,"abstract":"<p><strong>Objective: </strong>Inulicin is a sesquiterpene lactone in Inulae Flos which is clinically used for the treatment of inflammatory diseases, such as cough, sputum production, and vomiting. This study aimed to demonstrate the anti-inflammatory activity and the underlying mechanism of inulicin by using lipopolysaccharide (LPS)-induced <i>in vitro</i> and <i>in vivo</i> models.</p><p><strong>Methods: </strong>LPS-stimulated RAW264.7 macrophages and mouse peritoneal macrophages (MPMs) were used for evaluating the <i>in vitro</i> anti-inflammatory activity of inulicin, while endotoxemia mice were used for evaluating its <i>in vivo</i> action. Cytokines' levels were determined by ELISA. RT-qPCR and western blot were used for assaying the mRNA and protein levels of target genes. RAW264.7 macrophages transfected with reporter plasmid pNFκB-TA-luc or pAP1-TA-luc were used for assaying the activation of NF-κB or AP-1 signaling.</p><p><strong>Results: </strong>Inulicin significantly inhibited LPS-induced production of NO, IL-6, c-c motif chemokine ligand 2 (CCL2), and IL-1β in both RAW264.7 cells and MPMs. Mechanism study indicated that it could suppress inducible nitric oxide synthase, IL-6, CCL2, and IL-1β mRNA levels in LPS-stimulated RAW264.7 cells. Moreover, inulicin inhibited IκBα phosphorylation and prevented the nuclear translocation of p65, thereby inactivating NF-κB signaling. Concurrently, it also inhibited AP-1 signaling by reducing the phosphorylation of C-Jun N-terminal kinase (JNK) and extracellular signal-regulated kinase (ERK). In endotoxemia mice, a single intraperitoneal administration of inulicin could decrease the production of pro-inflammatory cytokines in serum and peritoneal lavage fluid.</p><p><strong>Conclusions: </strong>The present study demonstrates that inulicin possesses anti-inflammatory effects <i>in vitro</i> and <i>in vivo</i>, which suggests that inulicin might be a promising candidate for the treatment of inflammatory diseases.</p>","PeriodicalId":13420,"journal":{"name":"Immunopharmacology and Immunotoxicology","volume":null,"pages":null},"PeriodicalIF":2.9,"publicationDate":"2024-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141758479","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The effect of plant-derived polyphenols on the immune system during aging: a systematic review.","authors":"Beatriz Santana Mendonça, Laura Maria Morales Nascimento, Jamylle Nunes de Souza Ferro, Maria Danielma Dos Santos Reis","doi":"10.1080/08923973.2024.2384911","DOIUrl":"https://doi.org/10.1080/08923973.2024.2384911","url":null,"abstract":"<p><strong>Objective: </strong>Polyphenols are organic compounds with diverse biological activities such as anti-inflammatory and antioxidant effects, making them important candidates for the development of anti-aging drugs. In this systematic review, we aimed to answer the question: can plant-derived polyphenols have an immunomodulatory effect in experimental models of aging?</p><p><strong>Methods: </strong>We systematically searched Web of Science, MEDLINE/Pubmed, and Embase to select articles using the following combinations of terms and synonyms: polyphenols, phenols, senescence, aging, and immune. The selected articles were evaluated for reporting quality and risk-of-bias according to standard guidelines.</p><p><strong>Results: </strong>The most used polyphenol was resveratrol, followed by curcumin, salidroside, and gallic acid. These molecules demonstrated an ability to restore immune function both <i>in vitro</i> and <i>in vivo</i>. The mechanism of action was not completely elucidated in these studies, but inhibition of NF-kB signaling, and antioxidant properties seemed to account for the anti-aging effects. All articles included in the review had good quality of reporting but failed to describe an adequate sample size, criteria for inclusion/exclusion, randomization, and blinding.</p><p><strong>Conclusion: </strong>We conclude that polyphenols are promising immunomodulatory substances for use in anti-aging therapies. However, more research with standardized analysis is needed to understand the role of these molecules in the prevention or reduction of damage associated with the aging process, as well as to determine the safety profile and consequences of systemic action.</p>","PeriodicalId":13420,"journal":{"name":"Immunopharmacology and Immunotoxicology","volume":null,"pages":null},"PeriodicalIF":2.9,"publicationDate":"2024-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141787933","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The prophylactic and therapeutic effects of cannabidiol on lung injury secondary to cardiac ischemia model in rats via PERK/NRF2/CHOP/BCL2 pathway.","authors":"Ozlem Ozmen, Halil Asci, Dincer Uysal, Ilter Ilhan, Rumeysa Taner, Melih Arlıoglu, Adem Milletsever, Serife Tasan","doi":"10.1080/08923973.2024.2384904","DOIUrl":"10.1080/08923973.2024.2384904","url":null,"abstract":"<p><strong>Background: </strong>Inflammation and oxidative stress are key players in lung injury stemming from cardiac ischemia (LISCI). Cannabidiol (CBD) demonstrates tissue-protective properties through its antioxidant, anti-inflammatory, and anti-apoptotic characteristics. This study aims to assess the preventive (p-CBD) and therapeutic (t-CBD) effects of CBD on LISCI.</p><p><strong>Methods: </strong>Forty male Wistar Albino rats were divided into four groups: control (CON), LISCI, p-CBD, and t-CBD. The left anterior descending coronary artery was ligated for 30 min of ischemia followed by 30 min of reperfusion. Lung tissues were then extracted for histopathological, immunohistochemical, genetic, and biochemical analyses.</p><p><strong>Results: </strong>Histopathologically, marked hyperemia, increased septal tissue thickness, and inflammatory cell infiltrations were observed in the lung tissues of the LISCI group. Spectrophotometrically, total oxidant status and oxidative stress index levels were elevated, while total antioxidant status levels were decreased. Immunohistochemically, expressions of cyclooxygenase-1 (COX1), granulocyte colony-stimulating factor (GCSF), interleukin-6 (IL6) were increased. In genetic analyses, PERK and CHOP expressions were increased, whereas Nuclear factor erythroid 2-related factor 2 (NRF2) and B-cell leukemia/lymphoma 2 protein (BCL2) expressions were decreased. These parameters were alleviated by both prophylactic and therapeutic CBD treatment protocols.</p><p><strong>Conclusion: </strong>In LISCI-induced damage, both endoplasmic reticulum and mitochondrial stress, along with oxidative and inflammatory markers, were triggered, resulting in lung cell damage. However, both p-CBD and t-CBD treatments effectively reversed these mechanisms, normalizing all histopathological, biochemical, and PCR parameters.</p>","PeriodicalId":13420,"journal":{"name":"Immunopharmacology and Immunotoxicology","volume":null,"pages":null},"PeriodicalIF":2.9,"publicationDate":"2024-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141758480","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}