scholarly journals Protective Effect ofFlos Loniceraeagainst Experimental Gastric Ulcers in Rats: Mechanisms of Antioxidant and Anti-Inflammatory Action

2014 ◽  
Vol 2014 ◽  
pp. 1-11 ◽  
Author(s):  
Jung-Woo Kang ◽  
Nari Yun ◽  
Hae-Jung Han ◽  
Jeom-Yong Kim ◽  
Joo-Young Kim ◽  
...  
Keyword(s):  
Lipid Peroxidation ◽  
Superoxide Dismutase ◽  
Acetic Acid ◽  
Gastric Ulcer ◽  
Mrna Expression ◽  
Inflammatory Cytokines ◽  
Gastric Wall ◽  
Myeloperoxidase Activity ◽  
Flos Lonicerae ◽  
Anti Inflammatory

Flos Loniceraeis one of the oldest and most commonly prescribed herbs in Eastern traditional medicine to treat various inflammatory diseases. In the present study, we investigated the effects of ethyl acetate fraction ofFlos Lonicerae(GC-7101) on experimental gastric ulcer models and its mechanisms of action in gastric ulcer healing. The pharmacological activity of GC-7101 was investigated in rats on HCl/EtOH, indomethacin, water immersion restraint stress induced acute gastric ulcer, and acetic-acid-induced subchronic gastric ulcer. To determine its gastroprotective mechanisms, gastric wall mucus secretion, mucosal PGE2, mucosal NO content, nuclear translocation of NF-κB, mRNA expression of inflammatory cytokines, lipid peroxidation and glutathione content, and superoxide dismutase and catalase activities were measured. GC-7101 significantly attenuated development of acute gastric ulcer and accelerated the healing of acetic-acid-induced subchronic gastric ulcer. In HCl/EtOH-induced gastric ulcer, GC-7101 markedly enhanced gastric wall mucus content which was accompanied by increased mucosal PGE2and NO production. Furthermore, treatment of GC-7101 exhibited anti-inflammatory and antioxidant activities as evidenced by decreased myeloperoxidase activity, NF-κB translocation, inflammatory cytokines mRNA expression, and lipid peroxidation and increased glutathione content and superoxide dismutase and catalase activities. These results demonstrated that GC-7101 possesses strong antiulcerogenic effect by modulating oxidative stress and proinflammatory mediators.

scholarly journals A RELATIONSHIP BETWEEN IMMUNOLOGICAL DISTURBANCES, HYPOXIA AND LIPOPEROXIDATION IN EROSIVE/ULCEROUS LESIONS OF DUODENUM IN PRESENCE OF COMORBIDITIES

2019 ◽  
Vol 21 (3) ◽  
pp. 559-566
Author(s):  
E. I. Polozova ◽  
L. M. Mosina ◽  
L. V. Novikova ◽  
I. E. Trokhina ◽  
R. Kh. Kapkaeva
Keyword(s):  
Lipid Peroxidation ◽  
Superoxide Dismutase ◽  
Blood Plasma ◽  
Inflammatory Cytokines ◽  
Cerebral Circulation ◽  
Malonic Dialdehyde ◽  
Cerebrovascular Insufficiency ◽  
Diene Conjugates ◽  
Anti Inflammatory ◽  
Ulcerative Lesions

The aim of present work was to assess the role of immunological disorders, hypoxia and lipoperoxidation in development and progression of erosive/ulcerative lesions of duodenum accompanied by chronic cerebrovascular insufficiency. We have studied a cohort of 125 patients with erosive and ulcerative lesions of duodenum associated with chronic disorders of cerebral circulation, aged from 48 to 74 years old. They underwent outpatient treatment and care at the Clinical Hospital No.5 (Saransk) over 2015-2018. A comparison group consisted of 39 patients with chronically impaired cerebral circulation, who did not show signs of erosive/ulcerative lesions of stomach and duodenum over the study period. Patients received conventional anti-ulcer therapies for 14 days. The cytokine profile, indexes of hypoxia, and serum markers of lipid peroxidation were evaluated. The study has shown an increase in the level of pro-and anti-inflammatory cytokines in cases with erosive/ ulcerative duodenal lesions associated with chronic impairment of cerebral circulation throughout the observation period, thus indicating to evolving imbalance of immunoregulatory system. The development of hypoxic changes in the blood plasma was observed, which was confirmed by increased contents of lactic and pyruvic acids, like as the hypoxia coefficient at all the observation terms. The lipid peroxidation processes were also activated in the course of evolving disorder, as judged by increased contents of diene conjugates, triene conjugates and the malonic dialdehyde levels upon admission, as well as on day 7 and 14 of observation, associated with decrease in the antioxidant potential of blood plasma, estimated by the superoxide dismutase index. A trend for a decrease in the indexes of diene conjugates, triene conjugates, malonic dialdehyde and an increased levels of superoxide dismutase was registered as late as after 30 days of observation. Hypoxia and lipid peroxidation may be viewed as predictors of chronic inflammation. Developing imbalance between pro-inflammatory, anti-inflammatory cytokines, and chronic hypoxia are of significant value for pathogenesis of erosive-ulcerative lesions of duodenum, being associated with chronic impairment of cerebral circulation. Under such conditions, oxidative stress is observed, with a shift of equilibrium towards pro-oxidants, along with exhausted potential of antioxidant defense system. In general, these disturbances determine the pathogenetic mechanisms of damage that occur in erosive and ulcerative lesions of duodenum, being associated with chronic cerebrovascular insufficiency, which have a mutually negative influence in the course of disease progression.

scholarly journals Bee Venom Acupuncture Therapy Ameliorates Neuroinflammatory Alterations in a Pilocarpine-Induced Epilepticus Model

2021 ◽  
Author(s):  
Abeer Mohamed Abd El-Hameed ◽  
Abdelaziz S. A. Abuelsaad ◽  
Abdelwahab Khalil
Keyword(s):  
Mrna Expression ◽  
Inflammatory Cytokines ◽  
Neuronal Excitability ◽  
Premature Mortality ◽  
Bee Venom ◽  
Antiinflammatory Drugs ◽  
Blood Electrolytes ◽  
Threatening Condition ◽  
Anti Inflammatory ◽  
Neurological Effects

Abstract Background: Bee venom (BV) is applied in different traditional medicinal therapies and is used worldwide to prevent and treat many acute and chronic diseases. Epilepsy has various neurological effects, e.g., epileptogenic insults; thus, it is considered a life-threatening condition. Seizures and their effects add to the burden of epilepsy because they can have health effects including residual disability and even premature mortality. The use of antiinflammatory drugs to treat epilepsy is controversial; therefore, the alternative nonchemical apitherapy benefits of BV were evaluated in the present study by assessing neuroinflammatory changes in a pilocarpine-induced epilepticus model. Methods: Levels of electrolytes, neurotransmitters, and mRNA expression for some gate channels were determined. Moreover, ELISA assays were conducted to detect pro- and anti-inflammatory cytokines, whereas RT-PCR was performed to assess mRNA expression of Foxp3 and CTLA-4.Results: BV ameliorated the interruption in electrolytes and ions through voltage- and ligand-gated ion channels, and it limited neuronal excitability via rapid repolarization of action potentials. In addition, BV inhibited the high expression of proinflammatory cytokines.Conclusions: Acupuncture with BV was effective in preventing some of the deleterious consequences of epileptogenesis associated with high levels of glutamate and DOPA in the hippocampus. BV ameliorates changes in the expression of voltage-gated channels, rebalances blood electrolytes and neurotransmitters, and modulates the levels of pro- and anti-inflammatory cytokines. Thus, BV could reduce the progression of epileptogenesis as a cotherapy with other antiepileptic drugs.

scholarly journals RELATIONSHIP OF LIPID PEROXIDATION PROCESSES AND CHRONIC INFLAMMATION WITH ATHEROSCLEROTIC VASCULAR CHANGES AND INDICATORS ENDOTHELIAL DYSFUNCTION IN PATIENTS WITH CKD STAGES II-IV

2015 ◽  
pp. 13-20
Author(s):  
O.M. Loboda ◽  
І.V. Krasyuk ◽  
V.V. Alexeeva ◽  
L.V. Korol ◽  
V.Y. Druanska ◽  
...  
Keyword(s):  
Lipid Peroxidation ◽  
Endothelial Dysfunction ◽  
Chronic Inflammation ◽  
Inflammatory Cytokines ◽  
Vascular Lesions ◽  
Control Group ◽  
Bilateral Carotid ◽  
Ckd Stage ◽  
Anti Inflammatory ◽  
Relationship Of

The aim of our study was to determine the relationship of processes of atherogenesis and indicators of endothelial dysfunction with the processes of activation of lipid peroxidation (LPO) and chronic inflammation in patients with CKD stages II-IV. Material and methods. Levels of proinflammatory and anti-inflammatory cytokines, indicators of lipid peroxidation, the thickness of the intima-media (IMT) of the carotid artery, ankle-brachial index (ABI) were measured in 90 patients with CKD stage II-IV (30 - CKD st. II, 31 patients with CKD st. III and 29 st. IV CKD patients) and 30 healthy subjects (control group). The correlation analysis was performed to identify the possible association between the obtained parameters of atherosclerotic vascular lesions and endothelial dysfunction and indices of lipid peroxidation and pro- and anti-inflammatory cytokines. Results. The average levels of interferon-y, interleukin (IL) -1p and IL-10 in patients with CKD II-IV Art. were significantly increased compared with the corresponding values in the control group. The average levels of malondialde- hyde (MDA) of serum and MDA of erythrocyte in CKD patients was significantly increased compared with the corresponding values in the control group, and the antioxidant system indices - total peroxidase activity of erythrocytes and serum levels of the sulfhydrylgroups was significantly reduced relative to the corresponding values in the group control. 39 (43%) patients with CKD st. II-IV were recorded carotid atherosclerotic changes. The IMT (from 0.91 to 1.29 mm) defined in 22 (56%) patients and atherosclerotic plaques (IMT > 1,3 mm) defined in 17 (44%) patients. Bilateral carotid atherosclerotic lesions was observed in 14 (36%) patients with CKD st. II-IV. Endothelial dysfunction was observed in 71 (79%) patients with CKD st. II-IV. There was a statistically significant association between indicators of chronic inflammation, lipid peroxidation and indicators of atherosclerotic vascular lesions and endothelial dysfunction. Conclusion. Pathological processes ofLPO activation, chronic inflammation are closely linked between themselves and progression of atherosclerotic vascular lesions in CKD.

scholarly journals Dynamic Evaluation of Compound Ento-PB for the Repair of Mucosal Ulcer in Dogs With Acetic Acid-induced Experimental Colitis 

2020 ◽  
Author(s):  
Jin-hu Chen ◽  
Jian-ting Zhao ◽  
Zheng-yong Yu ◽  
Yi-hao Che ◽  
Yu-jia Wang ◽  
...  
Keyword(s):  
Ulcerative Colitis ◽  
Acetic Acid ◽  
Inflammatory Cytokines ◽  
Mucosal Healing ◽  
Dynamic Monitoring ◽  
Enzyme Linked Immunosorbent Assay ◽  
Dependent Manner ◽  
Expression Levels ◽  
Cox 2 ◽  
Anti Inflammatory

Abstract Background: Mucosal inflammation and ulcer play important roles in the pathogenesis of ulcerative colitis. As as traditional Chinese medicine compound composed of Periplaneta americana and Taraxacum mongolicum, Ento-PB is always prescribed for the treatment of ulcer and inflammatory diseases. As for the significant role of P. americana in terms of promoting mucosal healing, the compatibility of the anti-inflammatory drug T. mongolicum may enable Ento-PB to simultaneously play anti-inflammatory and promote mucosal healing effects on the treatment of UC. Therefore, this study aimed to evaluate the therapeutic potential and possible mechanism of Ento-PB for UC by establishing an acetic acid-induced colitis model in dogs.Methods: Preliminary identification to the chemical components of compound Ento-PB was carried out through high performance liquid chromatography. A cross-bred dogs model of acetic acid-induced ulcerative colitis was established to evaluate the efficacy of compound Ento-PB. The expression levels of inflammatory cytokines C-reactive protein (CRP), inducible nitric oxide synthase (iNOS), cyclooxygenase-2 (COX-2), tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β) and interleukin-10 (IL-10) in plasma were measured by carrying out enzyme-linked immunosorbent assay (ELISA).Results: With the extension of treatment time, Ento-PB could effectively improve clinical symptoms of UC cross-bred dogs. Colonoscopy displayed that mucosal redness, swelling and congestion decreased gradually, and obviously repaired after mucosal injury. The intestinal texture was gradually clear, and the colonoscopy score gradually reduced. Histopathological examination revealed that the structure of colon was restored significantly, the infiltration of inflammatory cells was reduced, and the histological score was remarkably reduced. At the same time, the results of dynamic monitoring of inflammatory cytokines in plasma proved that Ento-PB can gradually down-regulate the activity of CRP, iNOS and COX-2, reduce the expression levels of inflammatory cytokines TNF-α and IL-1β, and gradually restore anti-inflammatory and the expression level of cytokine IL-10.Conclusions: Ento-PB reduces the level of pro-inflammatory cytokines in a dose- and time-dependent manner and inflammation, improves colon tissue lesions and the repair of intestinal mucosa after injury, and effectively increases acetic acid-induced colon inflammation in UC cross-bred dogs.

Intestinal ischemia and reperfusion injury in transgenic mice overexpressing copper-zinc superoxide dismutase

1997 ◽  
Vol 273 (4) ◽  
pp. C1130-C1135 ◽  
Author(s):  
Devendra R. Deshmukh ◽  
Oleg Mirochnitchenko ◽  
Vikram S. Ghole ◽  
Doreen Agnese ◽  
Pritesh C. Shah ◽  
...  
Keyword(s):  
Lipid Peroxidation ◽  
Superoxide Dismutase ◽  
Transgenic Mice ◽  
Reperfusion Injury ◽  
Intestinal Ischemia ◽  
Ischemia Reperfusion ◽  
Neutrophil Infiltration ◽  
Myeloperoxidase Activity ◽  
Ischemia And Reperfusion ◽  
Intestinal Ischemia Reperfusion

Superoxide dismutase (SOD) scavenges oxygen radicals that are implicated in the pathogenesis of intestinal ischemia-reperfusion injury. The effect of intestinal ischemia and reperfusion was investigated in transgenic mice overexpressing human Cu-Zn SOD. Ischemia was induced by occluding the superior mesenteric artery. Myeloperoxidase activity was determined as an index of neutrophil infiltration, and malondialdehyde levels were measured as an indicator of lipid peroxidation. Forty-five minutes of intestinal ischemia followed by 4 h of reperfusion caused an increase in intestinal levels of malondialdehyde in both nontransgenic and transgenic mice, but the concentration of malondialdehyde was significantly greater in nontransgenic mice. Intestinal ischemia-reperfusion also caused an increase in intestinal and pulmonary myeloperoxidase activity in nontransgenic and transgenic mice, but the transgenic mice had significantly lower levels of myeloperoxidase activity than nontransgenic mice. Transgenic mice had higher levels of intestinal SOD activity than nontransgenic mice. There were no significant differences in the catalase or glutathione peroxidase activities. In conclusion, our study demonstrates that the overexpression of SOD protects tissues from neutrophil infiltration and lipid peroxidation during intestinal ischemia-reperfusion.

scholarly journals Lactobacillus fermentum CQPC07 attenuates obesity, inflammation and dyslipidemia by modulating the antioxidant capacity and lipid metabolism in high-fat diet induced obese mice

2020 ◽  
Author(s):  
Ya Wu ◽  
Xueya Li ◽  
Fang Tan ◽  
Xianrong Zhou ◽  
Jianfei Mu ◽  
...  
Keyword(s):  
Superoxide Dismutase ◽  
Lipid Metabolism ◽  
Antioxidant Capacity ◽  
Mrna Expression ◽  
Inflammatory Cytokines ◽  
High Fat Diet ◽  
Density Lipoprotein ◽  
Lactobacillus Fermentum ◽  
Lipoprotein Cholesterol ◽  
High Fat

Abstract Backgroud: Obesity is an epidemic disease in the world, the treatment and prevention of obesity methods have gained great attention. Lactobacillus is the main member of probiotics, and the physiological activity of it is specific to different strains. This study systematically explored the anti-obesity effect and possible mechanism of Lactobacillus fermentum CQPC07 (LF-CQPC07), which was isolated from pickled vegetables.Results: LF-CQPC07 effectively controlled the weight gain of mice caused by a high-fat diet. The results of pathological sections indicated that LF-CQPC07 alleviated hepatocyte damage and fat accumulation in adipocytes. The detection of biochemical indictors revealed that LF-CQPC07 decreased the levels of total cholesterol (TC), low-density lipoprotein cholesterol (LDL-C), and triglycerides (TG), and increased the level of high-density lipoprotein cholesterol (HDL-C). Additionally, LF-CQPC07 caused the decrease in the amounts of inflammatory cytokines interleukin (IL)-1β, tumor necrosis factor-α (TNF-α), IL-6, and interferon-γ (IFN-γ), and the increase in the amounts of the anti-inflammatory cytokines IL-10 and IL-4. LF-CQPC07 also decreased the amounts of alanine aminotransferase (ALT), aspartate transaminase (AST), and alkaline phosphatase (ALP). Confirmed by qPCR, LF-CQPC07 enhanced the mRNA expression of catalase (CAT), gamma glutamylcysteine synthetase 1 (GSH1), copper/zinc superoxide dismutase (SOD1), manganese superoxide dismutase (SOD2), and glutathione peroxidase (GSH-Px). It also increased the mRNA expression levels of carnitine palmitoyltransferase 1 (CPT1), peroxisome proliferator-activated receptor alpha (PPAR-α), lipoprotein lipase (LPL), and cholesterol 7 alpha hydroxylase (CYP7A1), and decreased that of PPAR-γ and CCAAT/enhances binding protein alpha (C/EBP-α) in the liver of mice.Conclusion: this research confirmed that LF-CQPC07 is capable of ameliorating obesity, improving hyperlipemia, and alleviating chronic low-grade inflammation and liver injury accompanied with obesity. Its mechanism may be the regulation of antioxidant capacity and lipid metabolism. Therefore, LF-CQPC07 has enormous potential to serve as a potential probiotic for the prevention or treatment of obesity.

scholarly journals Anti-hyperalgesic properties of a flavanone derivative Poncirin in acute and chronic inflammatory pain models in mice

2019 ◽  
Vol 20 (1) ◽  
Author(s):  
Ruqayya Afridi ◽  
Ashraf Ullah Khan ◽  
Sidra Khalid ◽  
Bushra Shal ◽  
Hina Rasheed ◽  
...  
Keyword(s):  
Acetic Acid ◽  
Mrna Expression ◽  
Inflammatory Cytokines ◽  
Inflammatory Pain ◽  
Expression Levels ◽  
Chronic Inflammatory Pain ◽  
Qrt Pcr ◽  
Pain Models ◽  
Anti Oxidant ◽  
Mrna Expression Levels

Abstract Background Poncirin is flavanone derivative (isolated from Poncirus trifoliata) with known pharmacological activities such as anti-tumor, anti-osteoporotic, anti-inflammatory and anti-colitic. The present study aimed to explore the anti-allodynic and anti-hyperalgesic potentials of poncirin in murine models of inflammatory pain. Methods The analgesic potential of poncirin was evaluated in formalin-, acetic acid-, carrageenan- and Complete Freund’s Adjuvant (CFA)-induced inflammatory pain models in mice. Anti-allodynic and anti-hyperalgesic activities were measured using Von Frey filaments, Randall Selitto, hotplate and cold acetone tests. The serum nitrite levels were determined using Griess reagent. The Quantitative Real-time PCR (qRT-PCR) was performed to assess the effect of poncirin on mRNA expression levels of inflammatory cytokines and anti-oxidant enzymes. Results Intraperitoneal administration of poncirin (30 mg/kg) markedly reduced the pain behavior in both acetic acid-induced visceral pain and formalin-induced tonic pain models used as preliminary screening tools. The poncirin (30 mg/kg) treatment considerably inhibited the mechanical hyperalgesia and allodynia as well as thermal hyperalgesia and cold allodynia. The qRT-PCR analysis showed noticeable inhibition of pro-inflammatory cytokines (mRNA expression levels of TNF-α, IL-1β and IL-6) (p < 0.05) in poncirin treated group. Similarly, poncirin treatment also enhanced the mRNA expressions levels of anti-oxidant enzymes such as transcription factor such as nuclear factor (erythroid-derived 2)-like 2 (Nrf2) (p < 0.05), heme oxygenase (HO-1) (p < 0.05) and superoxide dismutase (SOD2) (p < 0.05). Chronic treatment of poncirin for 6 days did not confer any significant hepatic and renal toxicity. Furthermore, poncirin treatment did not altered the motor coordination and muscle strength in CFA-induced chronic inflammatory pain model. Conclusion The present study demonstrated that poncirin treatment significantly reduced pain behaviors in all experimental models of inflammatory pain, suggesting the promising analgesic potential of poncirin in inflammatory pain conditions.

Polydatin reduces cardiotoxicity of tyrosine kinase inhibitor sunitinib by decreasing pro-oxidative stress, pro-inflammatory cytokines and NLRP3 inflammasome expression.

2021 ◽  
Vol 39 (15_suppl) ◽  
pp. e15065-e15065
Author(s):  
Massimiliano Berretta ◽  
Vincenzo Quagliariello ◽  
Simona Buccolo ◽  
Martina Iovine ◽  
Michelino De Laurentiis ◽  
...  
Keyword(s):  
Oxidative Stress ◽  
Lipid Peroxidation ◽  
Growth Factors ◽  
Inflammatory Cytokines ◽  
Transcriptional Activation ◽  
Nlrp3 Inflammasome ◽  
Fetal Cardiomyocytes ◽  
Cardioprotective Effects ◽  
Anti Inflammatory ◽  
Pro Inflammatory Cytokines

e15065 Background: : Polydatin has anticancer and anti-inflammatory properties, however no studies investigated on its putative cardioprotective effects against anticancer therapies. Sunitinib, a recently-approved, multi-targeted tyrosine kinases inhibitor, prolongs survival in patients with metastatic renal cell carcinoma and gastrointestinal stromal tumors, however a dose related cardiotoxicity was well described. We investigated on the reduction of cytokines and growth factors of polydatin resulting in putative cardioprotective effects. Methods: Human fetal cardiomyocytes were untreated (control) or treated for 48 h with polydatin (50,100,200 and 400 µM) or sunitinib (5,10,25 and 50 µM) alone or combined to polydatin. After the incubation period, we performed the following tests: determination of cell viability, through analysis of mitochondrial dehydrogenase activity, study of lipid peroxidation (quantifying cellular malondialdehyde and 4-hydroxynonenal), intracellular Ca2+ homeostasis. Moreover, pro-inflammatory studied were also performed (activation of NLRP3 inflammasome; expression of TLR4/MyD88; mTORC1 Fox01/3a; transcriptional activation of p65/NF-κB and secretion of cytokines involved in cardiotoxicity (Interleukins 1β, 8, 6). Results: Exposure of adult cardiomyocytes to polydatin combined to plasma-relevant concentrations of sunitinib reduces significantly intracellular reactive oxygen species, lipid peroxidation and cytochrome c release from mitochondria leading to a reduction in cell death compared to cells exposed to sunitinib alone. Polydatin reduces expression of pro-inflammatory cytokines and growth factors involved in myocardial damages and down-regulates the signaling pathway of NLRP3 inflammasome and NF-κB, increasing cellular resistance to sunitinib-mediated damages. Conclusions: Data of the present study, although in vitro, indicate that polydatin, besides reducing oxidative stress, has cardioprotective and anti-inflammatory properties, thus indicating one the mechanism(s) by which this metabolite of resveratrol might decrease sunitinib-mediated cardiotoxicity.

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