Kim, Min Ju;Jo, Hee Geun;Ramakrishna, Chilakala;Lee, Seung-Jae;Lee, Dong-Sung;Cheong, Sun Hee
Korean Journal of Exercise Nutrition
/
v.25
no.4
/
pp.45-53
/
2021
[Purpose] In this study, we investigated whether a 70% ethanolic (EtOH) extract of Sargassum horneri had antioxidant and anti-inflammatory effects in lipopolysaccharide (LPS)-stimulated macrophage-like RAW 264.7 cells. [Methods] The proximate composition, fatty acids, amino acids, and dietary fiber of S. horneri, various biologically active compounds, and antioxidant activity were analyzed. [Results] The DPPH and ABTS free radical scavenging activities, as well as the reduction power, of the S. horneri extract used here were significantly increased in a concentration-dependent manner. This indicates that S. horneri contains bioactive compounds, such as phenols and flavonoids, that have excellent antioxidant activity. The cellular viability and metabolic activity results confirmed that the extract had no discernible toxicity at concentrations up to 100 ㎍/mL. The levels of nitrites and cytokines (PGE2, TNF-α and IL-6), which mediate pro-inflammatory effect, were significantly inhibited by treatment with either 50 or 100 ㎍/mL S. horneri extract, whereas that of IL-1β was significantly inhibited by treatment with 100 ㎍/mL of the extract. Similarly, the expression of iNOS and COX-2 proteins also decreased according to 50 or 100 ㎍/mL extract concentrations. NF-κB binding to DNA was also significantly inhibited by treatment with 100 ㎍/mL of extract. [Conclusion] These results suggest that 70% EtOH extracts of S. horneri can relieve inflammation caused by disease or high intensity exercise.
Jeon, Myung Kyu;Park, Jae Eun;Lee, Min Cheol;Kim, Hyeon Jin;Ahn, Jae Young;Shin, Na Young;Nam, Hye Jin;Chae, Go Eun;Jo, Hye Jeong;Kim, Hyun Woo;Lee, Young Jin;Koh, Arha;Kim, Woo Young
Journal of Acupuncture Research
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v.39
no.3
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pp.182-189
/
2022
To evaluate the effectiveness of electroacupuncture treatment for primary dysmenorrhea (PD), a literature review of a randomized controlled trials (RCTs) was performed where electroacupuncture was used as a treatment intervention in patients diagnosed with PD. Relevant clinical studies (N = 226) were retrieved from multiple databases according to the study inclusion/exclusion criteria, and interventions and outcomes were analyzed. As a result of the review, there were 6 RCTs which met the criteria. In all 4 studies that measured pain indicators (visual analog scales), electroacupuncture showed significantly positive changes. In addition, positive changes were observed in most indicators (MMDQ, PGF2a, PGE2, 6-keto PGF1, TXB2, clinical efficacy score, uterine arterial blood flow parameters, and blood viscosity). 2 studies showed that electroacupuncture had a stronger therapeutic effect than NSAIDs. No major side effects were reported. Electroacupuncture may be an effective and safe treatment for PD however, further RCTs are required.
Journal of The Korean Society of Integrative Medicine
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v.11
no.2
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pp.119-128
/
2023
Purpose : The fruit of Actinidia polygama has been used in oriental medicine for the treatment of gout, rheumatoid arthritis, and inflammation. Though A. polygama exhibited anti-inflammatory activity in RAW 264.7 cells and carrageenan-induced rat paw edema, the exact mechanism for anti-inflammation was not evaluated yet. In this study, the anti-inflammatory mechanisms of A. polygama ethanol extract (APEE) in lipopolysaccharide (LPS) stimulated RAW 264.7 cells. Methods : WST-1 assay was applied to analyze the cytotoxic effect of APEE in RAW 264.7 cells. The productions of nitric oxide (NO) and prostaglandin (PG) E2 were analyzed by the Griess reaction and enzyme immunoassay (EIA) assay, respectively. In addition, protein expressions for inducible NO synthase (iNOS) and cyclooxygenase (COX)-2 were measured by Western blot analysis. The activated status of an inflammatory transcription factor, NF-κ B, and its upstream signaling molecules, mitogen-activated protein kinases (MAPKs), was also evaluated by Western blot analysis. Results : As a result, APEE treatment did not exhibit any cytotoxicity until the concentration of 200 ㎍/㎖. APEE treatment significantly inhibited NO and PGE2 productions as well as their enzymes, iNOS and COX-2 in a dose-dependent manner. The inflammatory transcription factor, NF-κ B, was also attenuated by APEE treatment. In addition, the phosphorylated status of MAPKs such as extracellular regulated kinase (ERK), c-jun NH2 kinase (JNK), and p38, were significantly diminished by APEE treatment in LPS stimulated RAW 264.7 cells. Conclusion : Consequently, APEE treatment significantly attenuated the production of inflammatory mediators and their enzyme expressions in LPS-stimulated RAW 264.7 cells. The inflammatory transcription factor, NF-κ B, and upstream signaling molecules, MAPKs, were also significantly attenuated by APEE treatment in LPS-activated RAW 264.7 cells. These results indicate that APEE might be a candidate to be utilized as a promising candidate for the treatment of inflammatory disorders.
Jung Min Lee;Byeong Jun Bae;Jee-Lim Choi;Young-Shin Chung
The Korean Journal of Food And Nutrition
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v.37
no.2
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pp.110-122
/
2024
This study investigated major constituents and anti-inflammatory effects of an ethanol extract of Platycodon grandiflorum leaves. Through HPLC analysis, chlorogenic acid and luteolin-7-O-glucoside were identified as predominant constituents in the ethanol extract. Their anti-inflammatory effects were evaluated using murine macrophage (RAW 264.7 cells) and human lung carcinoma cells (NCI-H292 & A549). The ethanol extract significantly (p<0.01) inhibited the production of nitrite, interleukin-6 (IL-6), and prostaglandin E2 (PGE2) induced by lipopolysaccharide (LPS) in RAW 264.7 cells. Furthermore, the ethanol extract suppressed the expression of cyclooxygenase-2 (COX-2) and inducible NO synthase (iNOS) proteins in RAW 264.7 cells stimulated with LPS. In NCI-H292 and A549 cells, treatment with the ethanol extract significantly (p<0.05) decreased levels of pro-inflammatory cytokines IL-6 and IL-8 induced by IL-1β. The phosphorylation of ERK rather than JNK in the mitogen-activated protein kinase signaling pathway was observed to be a more important mediator in the down-regulation of pro-inflammatory cytokines in NCI-H292 cells. These findings suggest that the ethanol extract of Platycodon grandiflorum leaves containing luteolin-7-O-glucoside exhibits promising anti-inflammatory properties.
Baek K. S.;Park S. J.;Park S. B.;Kim H. S.;Lee H. J.;Lee W. S.;Jeon B. S.;Ahn B. S.;Kim J. G.;Jeong G. Y.;Son J. K.
Journal of Embryo Transfer
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v.20
no.3
/
pp.279-287
/
2005
This study was carried out to investigate resumption of ovarian cyclicity and effect of BCS on estrous response by treatment of $PGF_2a+PGF_2a+CIDR$ program on day 40 postpartum in lactating dairy cow. First $PGF_2a$ was given on day 40 postpartum, second $PGF_2a$ was given 14 days apart to cows not-responded to 1st $PGF_2a$ and then CIDR was inserted for 7 days after 5 days in cows not-responded to 2nd $PGF_2a$. The $42.9\%$ of the cows showed more than 1 ng/mL milk progesterone concentration within 10 to 30 days postpartum. About $19\%$ of the cows exhibited more than 1 ng/mL milk pro-gesterone concentration between 31 to 50 days postpartum. However $38.1\%$ of the cows have not shown more than 1 ng/mL milk progesterone up to 50 days postpartum. Estrous response to the treatment of 1 st $PGF_2a$ and 2nd $PGF_2a$ was $47.5\%$ and $52.4\%$, respectively. Combination of 1 st $PGF_2a$ and 2nd $PGF_2a$ was $75\%$ and combination of 1st $PGF_2a$+2nd $PGF_2a$+CIDR was $87.5\%$. Estrous response to the treatment of $PGF_2a+PGF_2a$ program was $61.5\%$ in cows with less than 2.50 BCS and $81.5\%$ in cows with 2.75${\~}$3.50 BCS. Estrous response to the treatment of CIDR was $40\%$ in cows with less than 2.50 BCS and $80\%$ in cows with 2.75${\~}$3.50 BCS. Estrous response to the treatment of PPC on day 40 postpartum was $76.9\%$ in cows with less than 2.50 BCS and $96.3\%$ in cows with 2.75${\~}$3.50 BCS.
This study aimed to investigate the effects of indomethacin on distribution and expression of COX-2 and IGF-1 in the mandibular condyle ofi growing dogs and to examine the number of chondroclasts around the mineralization zone indomethacin inhibits prostatlandin $E_2$ production in the tissue by inhibiting synthesis of cyclooxygenase 2. Prostaglandin $E_2$ stimulates insulin-like growth factor synthesis. Insulin-like growth factor stimulates growth of mandibular condylar cartilage. Eight mongrel dogs. aged 13-14 weeks, were divided into 4 groups. Group 1 and group 2 were administered indomethacin 2 mg/Kg/day orally two times a day for 7 days and 14 days respectively. Group 3 were administered indomethacin 8mg/Kg/day orally 2 times a day for 14 days, and 4he control group were administered a placebo. The mandibular condyle heads were sectioned in $5{\mu}m$ thickness The specimens were stained with H-E staining. COX-2 immunohistochemical staining and IGF-1 immunohistochemical staining and examined under microscope. After TRAP staining, the number of chondroclasts were calculated The observed results were as follows: Indomethacin inhibited expression and distribution of COX-2 and IGF-1 on the proliferative zone of condylar cartillage. Indomethacin decreased the number of chondroclastes on the mineralization zone by a time-dependent manner (P<0.05). Indomethacin inhibited expression and distribution of IGF-I by a dose and time-dependent manner. These results show that indomethacin inhibited expression and distribution of COX-2 and IGF-1 on the proliferative zone of condylar cartilage and decreased the number of chondroclasts and suggests that when indomethacin is administered for a long time, condyle growth could be delayed.
Seon Yeong Ji;Da Hye Kwon;Hye Jin Hwang;Yung Hyun Choi
Journal of Life Science
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v.33
no.5
/
pp.397-405
/
2023
Although glutathione (GSH) has been shown to play an important role in the prevention of oxidative damage as an antioxidant, studies on immune regulation by it have not been properly conducted. In this study, we investigated whether luthione®, a reduced GSH, has an immune enhancing effect in murine macrophage RAW 264.7 cells. The results of flow cytometry and immunofluorescence experiments indicated that luthione increased phagocytic activity, a representative function of macrophages, compared to the control cells. According to the results of the cytokine array, the expression of interleukin (IL)-5, IL-1β, and IL-27 was significantly increased in the luthione-treated cells. Luthione also enhanced the production of tumor necrosis factor-α and IL-1β through increased expression of their proteins, and increased release of the immune mediators such as nitric oxide (NO) and prostaglandin E2 was associated with increased expression of inducible NO synthase and cyclooxygenase-2. In addition, the expression of cluster of differentiation 86, an M1 macrophage marker, was dramatically enhanced in RAW 264.7 cells treated with luthione. Furthermore, as a result of heat map analysis, we found that cytokine signaling 1/3-mediated signal transducer and activator of transcription/Janus tyrosine kinase signaling pathway was involved in the immunomodulatory effect by luthione. In conclusion, our data suggested that luthione could act as a molecular regulator in M1 macrophage polarization and enhance immune capacity by promoting macrophage phagocytic function.
In order to investigate anti-inflammatory, anti-allergic and anti-obesity activities of Samchulkunbi-tang (SCT; Shen zhu jian pi-tang) water and 70% ethanol (EtOH) extracts, in vitro inhibitory activities against nitric oxide (NO), prostaglandin $E_2$$PGE_2$), interleukin (IL)-6 and tumor necrosis factor (TNF)-${\alpha}$ production in lipopolysaccharide-stimulated RAW 264.7 cells, and macrophage-derived chemokine (MDC/CCL22) and regulated on activation of normal T-cell-expressed and -secreted (RANTES/CCL5) production in TNF-${\alpha}$/interferon-${\gamma}$-stimulated HaCaT and BEAS-2B cells as well as glycerol-3-phosphate dehydrogenase (GPDH) activity and leptin production in 3T3-L1 cells were determined. A HPLC was used for quantification of the seven marker components (albiflorin, paeoniflorin, liquiritin, naringin, hesperidin, poncirin and glycyrrhizin) of SCT water and 70% EtOH extracts. SCT showed inhibitory effects against MDC and RANTES production in HaCaT cells, as well as RANTES production in BEAS-2B cells. In addition, SCT reduced not only NO, $PGE_2$, IL-6 and TNF-${\alpha}$ production in RAW 264.7 cells, but also GPDH activity and leptin production in 3T3-L1 cells. Furthermore, the biological activities and the contents of six compounds (except paeoniflorin) were higher in 70% EtOH extract than water extract. These results suggest that SCT has anti-inflammatory, anti-allergic and anti-obesity activities. These efficacies of 70% EtOH extract are relatively higher than that of water extract.
Park, In-Jae;Park, Sung-Hwan;Yun, Ji-Hyun;Choi, Goo-Hee;Kim, Hyun-Jung;Seo, Yun-Hee;Cho, Ju-Hyun
Journal of Food Hygiene and Safety
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v.32
no.6
/
pp.536-541
/
2017
The object of this study was to investigate the inhibitory effects of Litsea japonica fruit flesh extract (LJF-HE) on gastritis of an stress-induced SD rat model. Rats were randomly divided into six groups: Normal (normal group), Control (stress-induced gastritis), Ranitidine (stress-induced gastritis and ranitidine 50 mg/kg), LJF-HE-L (stress-induced gastritis pretreated with L. japonica fruit flesh extract at 30 mg/kg), LJF-HE-M (stress-induced gastritis pretreated with L. japonica fruit flesh extract at 60 mg/kg), LJF-HE-H (stress-induced gastritis pretreated with L. japonica fruit flesh extract at 120 mg/kg). In groups treated with LJF-HE, gastric mucosal damage and pepsin activity were reduced. Additionally, there were decreases in the expression of cholecystokinin 2 receptor (CCK-2r) in the gastric lesions. The plasma levels of IL-$1{\beta}$ slightly but significantly decreased in LJF-HE treated groups compared to control. The plasma level of PGE2 was also significantly increased in LJF-HE treated groups. These results suggest that LJF-HE has the ability to reduce of the severity stress-induced gastritis.
After 24 hours of preservation under 15 mmHg perfusion pressure the recovery rates of isolated canine hearts were determined. Preservation was performed in a cold room maintained at 4*C with 4 different types of perfusates bubbled with a mixture of 95% 0y and 5% CO~ using a modified perfusion unit designed in our institute. The perfusates used were as follows; Group 1: Krebs-Henseleit solution, Group 2: Krebs solution added by albumin and PGE1. Group 3: Modified Wicomb*s solution, Group 4: Modified Collin*s solution. The extent of myocardial recovery was evaluated using a modified isolated carmine perfusion model by measuring heart rate, systolic arterial pressure, left atrial pressure[LAP] and cardiac output. In addition to the above hemodynamic parameters, biochemical and enzymatic assays from perfusates and electron microscopic changes of the myocardium were also studied. The results were as follows; 1] The heart recovery rates were 41.6%, 53.4% and 108.9% in groups 1, 2 and 3, respectively, and group 3 elicited the best result[p< 0.001]. The heart beat was never recovered in group 4. 2] Recovered systolic arterial pressures[mmHg] were 63.3% in group 1, 94.9% in group 2 and 94.3% in group 3. 3] LAPs[mmHg] were 20 in group 1, 13.5 in group 2 and 11.2 in group 3, which suggested that the best myocardial preservation was elicited in group 3[p< 0.05]. 4] Cardiac output, the sum of aortic stroke volume and coronary leakage, were 69.1% in group 2, and 90.7% in group 3, but these were not statistically significant[p=0.24]. No aortic stroke output was measured in group 1 and 4. 5] The degree of myocardial edema increase was 17.5` in group 1, 24.6% in group 2, 20.9% in group 3 and 55.3% in group 4. But there were no statistical differences in each group[p= 0.08]. 6] CPK-MB[U/L] levels were increased 750% and 332%[p< 0.05], glucose levels[mg/dl] 60.5% and 78.2% and SGOT[U/L] levels 523% and 333%, in groups 2 and 3, respectively. Biochemical and enzymatic assays could not be performed in group 1 and group 4, because of poor recovery of heart beat. 7] Electron microscopic findings in the myocardium of most groups revealed slight to moderate muscle cell and mitochondrial edema. But all these findings were within the limits of reversible change. From these above results, it is suggested that modified Wicomb*s solution seems to be the most useful physiologic salt solution for preservation of the heart. We propose that after further study and improvement, our portable continuous hypothermic perfusion system will contribute to the development of a better preservation method for donor hearts for human heart transplantation.
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