• Title/Summary/Keyword: Anti-hypertension

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Screening of Anti-oxidants Isolated from Natural Products on V79-4 Hamster Lung Fibroblast Cells Induced by Oxidative Stress (산화적 스트레스로 유도된 V79-4 햄스터 폐 섬유아세포에 대한 천연물 분리 항 산화물질 탐색)

  • Kang, Kyoung-Ah;Jo, Su-Hyun;Koh, Young-Sang;Kim, Jin-Sook;Hyun, Jin-Won
    • Korean Journal of Pharmacognosy
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    • v.36 no.1 s.140
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    • pp.34-37
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    • 2005
  • Reactive oxygen species (ROS) are known to cause oxidative modification of DNA, proteins, lipids and small cellular molecules and are associated with tissue damage and are the contributing factors for inflammation, aging, cancer, arteriosclerosis, hypertension and diabetes. We screened the anti-oxidants in V79-4 hamster lung fibroblast cells induced by hydrogen peroxide with eighteen pure compounds isolated from natural products. Allantoin, brassicasterol, and hypaconitine were found to strongly scavenge intracellular reactive oxygen species, which is measured by dichlorodihydrofluorescin diacetate method (DCHF-DA), and 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical.

Anti-inflammatory Effects of Andrographis Herba MeOH Extract on LPS-induced Raw 264.7 Cells (천심련(穿心蓮) 메탄올 추출물의 항염증효과)

  • Jung, Ji Yun;Park, Chung A
    • Herbal Formula Science
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    • v.28 no.2
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    • pp.147-155
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    • 2020
  • PURPOSE : Andrographis Herba is used as a traditional herbal medicine in the Asian countries for the treatment common cold, fever, diabetes, hypertension, hepatitis, skin infections, snake bite, and other diseases. In this study, we investigated the anti-inflammatory effect of MeOH extract of Andrographis Herba (AHME) on LPS-activated Raw 264.7 cells. METHODS : Cell viability was determined by MTT assay. Nitric oxide (NO) production was determined by Griess reagent. Pro-inflammatory cytokines were detected by enzyme-linked immunosorbent assay. Expression levels of pro-inflammatory proteins were determined by Western blot analysis. RESULTS : Production of NO in LPS activated Raw 264.7 cells, was significantly decreased by pre-treatment with 3-30 ㎍/mL of AHME. Production of pro-inflammatory mediators such as TNF-α and IL were significantly decreased by AHME 30 ㎍/mL pre-treatment. AHME significantly decreased p-IκB and NF-κB expression. CONCLUSION : The results of this study indicate that AHME could inhibit the acute inflammatory response, via modulation of NF-κB activation.

Role Identification of Passiflora Incarnata Linnaeus: A Mini Review

  • Kim, Mijin;Lim, Hee-Sook;Lee, Hae-Hyeog;Kim, Tae-Hee
    • Journal of Menopausal Medicine
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    • v.23 no.3
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    • pp.156-159
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    • 2017
  • Some species of traditional herbal medicine has a history of use, most traditional natural herbs have been used for various diseases such as diabetes, hypertension, and obesity. Among them, Passiflora incarnata L. is a traditional natural medicine, flowers as well as berries, roots, and leaves have been used as a medicine. It has been used as a natural medicine for the treatment of insomnia and anxiety for a longtime in Europe, and it has been used primarily for sedation tea in North America. Moreover, Passiflora incarnata L. is widely used anti-asthmatic, analgesic and sedation in Brazil. In other words, Passiflora incarnata L. has been used to treat a sedative, dysmenorrhea, insomnia, cancer, etc. in many countries. Present review of the plants showed a wide range of pharmacological activity in anxiolytic relax the clinical disease, such as anti-inflammatory, anxiety and antioxidant. In addition, Passiflora incarnata L. affects menopause symptoms such as vasomotor symptoms, insomnia, and depression. This review aims to provide the latest information on specific functional components of Passiflora incarnata L. especially the results of clinical trials will provide new insights into opportunities for the future development of natural medicines and doors will be used for purposes of analysis.

Effect of Apoptosis Induction of Ailanthus altissima on Human Lung Carcinoma Cells

  • Hwang, Yu-Jin;Woo, Hye-Im;Kim, Inhye;Park, Dong-Sik;Kim, Jaehyun;Om, Ae-Son;Hwang, Kyung-A
    • Journal of agriculture & life science
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    • v.45 no.5
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    • pp.91-96
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    • 2011
  • We investigated the inhibitory effects of solvent extracts from Ailanthus altissima in A549 human lung cancer cell. A. altissima has been recognized as a traditional healthy food due to its various biological activities against hypertension, strokes, fever, pain, neuralgia, inflammation, and cancer effects. Recently, it has been reported that the extracts of various wild vegetables show strong anti-cancer properties by induction of apoptosis. However, the mechanisms of their cytotoxicity in human lung cancer cells have been poorly understood. The present study was investigated the effects of solvent extracts from A. altissima on cell growth and apoptosis on A549 human lung cancer cells. A treatment of A. altissima inhibited the growth of A549 cells in a dose-dependent manner by inducing apoptosis. Especially, the chloroform fraction showed the highest anti-cancer effect among five kinds of fractions. And also, induction of apoptosis by chloroform fraction were associated with down-regulation of Bcl-2, and up-regulation of pro-apoptotic Bax expression. From these results, A. altissima may have a therapeutic potential in human lung cancer cells and as a functional food.

Successful Renal Autotransplantation for the Treatment of Severe Renovascular Hypertension in a 14-year-old Boy (신 자가이식을 통한 14세 소년에서 발생한 심한 신성 고혈압의 성공적인 치료)

  • Ji, Min-Chul;Park, Se-Jin;Choi, Jae-Young;Ko, Young-Guk;Kim, Myoung-Soo;Kim, Ji-Hong;Shin, Jae-Il
    • Childhood Kidney Diseases
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    • v.14 no.2
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    • pp.223-229
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    • 2010
  • Percutaneous transluminal renal angioplasty (PTRA) is the current treatment of choice for renal artery revascularization, but renal autotransplantation has been an alternative treatment for complex cases. Here we report a 14-year-old boy with severe hypertension successfully treated with PTRA and renal autotransplantation. Doppler ultrasonography and computed tomography (CT) angiography revealed slight narrowing in the right renal artery ostium and complete obstruction in the left renal artery ostium with multiple collaterals. PTRA with stent insertion was performed for the treatment of the right renal artery, but it was impossible for the left renal artery due to the total obstruction. Therefore, left nephrectomy for autotransplantation was done with the peritoneal approach and the left kidney was autotransplanted to the ipsilateral iliac fossa. Postoperatively, Doppler ultrasonography and mercapto-acetyl-triglycine (MAG-3) renogram were performed, which showed normal renal artery blood flow and kidney function. Blood pressure was normalized and anti-hypertensive drugs were gradually tapered. Fibromuscular dysplasia was suspected to be responsible for the renal artery stenosis based on clinical aspects. In conclusion, renal autotransplantation is also a good treatment option for children with severe renovascular hypertension when endovascular treatment has failed or is not possible.

Validity of Self-reported Hypertension and Factors Related to Discordance Between Self-reported and Objectively Measured Hypertension: Evidence From a Cohort Study in Iran

  • Najafi, Farid;Pasdar, Yahya;Shakiba, Ebrahim;Hamzeh, Behrooz;Darbandi, Mitra;Moradinazar, Mehdi;Navabi, Jafar;Anvari, Bita;Saidi, Mohammad Reza;Bazargan-Hejazi, Shahrzad
    • Journal of Preventive Medicine and Public Health
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    • v.52 no.2
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    • pp.131-139
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    • 2019
  • Objectives: Self-reporting can be used to determine the incidence and prevalence of hypertension (HTN). The present study was conducted to determine the validity of self-reported HTN and to identify factors affecting discordance between self-reported and objectively measured HTN in participants in the Ravansar Non-Communicable Diseases (RaNCD) cohort. Methods: The RaNCD cohort included permanent residents of Ravansar, Iran aged 35-65 years. Self-reported data were collected before clinical examinations were conducted by well-trained staff members. The gold standard for HTN was anti-hypertensive medication use and blood pressure measurements. The sensitivity, specificity, positive and negative predictive values, and overall accuracy of self-reporting were calculated. Univariate and multivariate logistic regression were used to examine the discordance between self-reported HTN and the gold standard. Results: Of the 10 065 participants in the RaNCD, 4755 (47.4%) were male. The prevalence of HTN was 16.8% based on self-reporting and 15.7% based on medical history and HTN measurements. Of the participants with HTN, 297 (18.8%) had no knowledge of their disease, and 313 (19.9%) had not properly controlled their HTN despite receiving treatment. The sensitivity, specificity, and kappa for self-reported HTN were 75.5%, 96.4%, and 73.4%, respectively. False positives became more likely with age, body mass index (BMI), low socioeconomic status, and female sex, whereas false negatives became more likely with age, BMI, high socioeconomic status, smoking, and urban residency. Conclusions: The sensitivity and specificity of self-reported HTN were acceptable, suggesting that this method can be used for public health initiatives in the absence of countrywide HTN control and detection programs.

Anti-inflammatory effect of Salviae Miltiorrhizae Radix (단삼 (Salviae Miltiorrhizae Radix) 메탄올 추출물의 항염증 효과)

  • Yun, Hyun-Jeong;Heo, Sook-Kyoung;Yun, Hyung-Joong;Park, Won-Hwan;Park, Sun-Dong
    • The Korea Journal of Herbology
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    • v.22 no.4
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    • pp.65-73
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    • 2007
  • Objective : Salvia miltiorrhiza Bunge (Labiatae) (SM), an eminent herbal plant, has been widely used in traditional Chinese medicine for the treatment of vascular diseases such as hypertension. The aim of this study was to determine whether SM inhibits production of nitrite, an index of NO, and proinflammatory cytokines in lipopolysaccharide (LPS)-treated RAW 264.7 macrophages. And this study investigated whether or not SM could reduce tumor necrosis factor-${\alpha}$ (TNF-${\alpha}$)-induced inflammatory response in human vascular aortic smooth muscle cells (HASMC) and umbilical vein endothelial cells (HUVEC). Methods : Cytotoxic activity of SM on RAW 264.7 cells was using 5-(3-caroboxymeth-oxy phenyJ)-2H-tetra-zolium inner salt (MTS) assay. We measured the NO production using Griess Reagent System. Production of Proliflammatory cytokines was measured by Enzyme-Linked Immunosorbent Assay (ELISA). Results : Our results indicated that SM significantly inhibited the LPS-induced NO production accompanied by an attenuation of tumor necrosis factor-${\alpha}$ (TNF-${\alpha}$), IL-6 and monocyte chemoattractant protein (MCP)-1 formation in macrophages. SM decreased TNF-${\alpha}$-induced IL-8, IL-6 production, and intracellular adhesion molecule (ICAM)-1 and vascular cell adhesion molecule (VCAM)-1 expression. Conclusion : These results indicate that SM has potential as an anti-inflammatory agent.

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Changes in Chemical Composition and Biological Activities of Oriental Crude Drugs by Food Processing Techniques IV - Increase in 5-HMF Content of Aurantii nobilis Pericarpium During Roasting Process - (식품학적 가공에 의한 생약의 성분 및 활성 변화 IV - Roasting처리에 의한 진피 중 5-HMF 함량증가 -)

  • Ni, Qinxue;Hur, Jong-Moon;Choi, Sun-Ha;Yang, Eun-Ju;Lee, Yu-Mi;Kang, Young-Hwa;Song, Kyung-Sik
    • Korean Journal of Pharmacognosy
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    • v.38 no.2 s.149
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    • pp.133-138
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    • 2007
  • Regarding chemical changes in oriental drugs after food processing such as roasting, fermentation, and extrusion, fifty commonly-used medicinal plants were investigated. As a result, Aurantii nobilis Pericarpium (a tangerine peel from Citrus unshu Markovich) showed remarkably different HPLC profiles after being roasted. An increased peak was isolated by repeated chromatography and identified as 5-hydroxymethyl furfral (5-HMF) by means of instrumental analyses. The 5-HMF content of Aurantii nobilis Pericarpoum reached its maximum level after being roasted for 30 min at 225$^{\circ}C$ (49.2 mg/g extract, ca 42 times of increase over untreated control). Although there were no significant changes in in vitro biological activity such as antioxidative, anti-dementia, anti-hypertension, anti-coagulation, or cytotoxicity, before and after roasting process, our results suggested that simple heat treatment might improve the value of the above oriental drug since 5-HMF has been known to possess inhibitory activities toward nitric oxide formation, tyrosinase, and sickling of red blood cells.

Hypolipidemic and Antioxidative Effects of Bangpoongtongsungsankamibang on Diet-Induced Obesity Rats (비만유도 흰쥐에 대한 방풍통성산가미방 (防風通聖散加味方)의 항고지혈 효과 및 항산화 효과)

  • Jeong, Seoung-Hee;Lee, Kyung-Tae;Ann, Hong-Sik;Lee, Jin-Yong;Choi, Jong-Won;Kim, Deog-Gon
    • Korean Journal of Pharmacognosy
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    • v.37 no.3
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    • pp.190-195
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    • 2006
  • Obesity is associated with a number of pathological disorders such as non-insulin-dependent diabetes, hypertension, hyperlipidemia, and cardiovascular diseases. Bangpoongtongsungsankamibang (BTSK) has been widely used in the oriental medicine for the treatment of several diseases associated with inflammatory abnormalities in cardiovascular and nervous system. The BTSK is the modified prescription of Bangpoongtongsungsankamibang in which sea tangle (Laminaria japonica) were added. This study was carried out to detemine the anti-obestic effects of BTSK. Pretreatment with the BTSK at daily dose of 100 or 200 mg/kg (p.o.) far 4 weeks reduced serum triglyceride, total cholesterol contents in rat induced by Poloxamer-407 or Triton WR-1339, respectively. Furthermore, post-treatment with BTSK far four weeks also inhibited body weight gain, adipose tissue mass and hyperlipidemia induced by the high fat diet for six weeks. The BTSK shifted serum total-, HDL- and LDL-cholesterol levels toward the values of normal group, suggesting that BTSK has hypolipldemlc effects. The rats fed BTSK reduced lipid peroxide and hydroxy radical in the rat blood and increased superoxide dismutase (SOD) activity compared to the control group. Taken together, these results superoxide that BTSK improve hyperlidemia and obesity via the upregulation of anti-oxidative mechanism.

Antioxidative, Anti-inflammatory, and DNA Damage Protective Effect in Cortex Extracts of Eucommia ulmoides by Roasting (추출방법에 따른 두충 껍질 추출물의 항산화, 항염증 활성 비교)

  • Lee, Young Min;Kim, In Sook;Kim, Jae Gon;Park, Seo Hyun;Lim, Beong Ou
    • Korean Journal of Medicinal Crop Science
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    • v.27 no.4
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    • pp.259-270
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    • 2019
  • Background: Eucommia ulmoides has long been used as an herbal medicine for the treatment of diabetes, hypertension and other diseases in many Asian countries. Methods and Results: This study aimed at evaluating the antioxidant and anti-inflammatory properties of its water (EU-DW, and REU-DW) and ethanol (EU-EtOH, and REU-EtOH) extracts, as well as those of non-roasted E. ulmoides (EU) and roasted EU (REU) cortex. The following were assessed in each extract: total phenolic and flavonoid contents, 1,1-diphenyl-2-picryl-hydrazyl (DPPH), 2,2'-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) (ABTS), and nitrite radical scavenging activities, reducing power, DNA damage prevention activity, and nitric oxide (NO) inhibition activity. Both EU and REU extracts showed high phenolic and flavonoid content, dose-dependent DPPH radical scavenging capacity, high reducing activity, and considerable DNA damage prevention activity. EU extracts showed remarkable ABTS free radicals scavenging capacity. REU extracts showed a higher radical scavenging capacity and played an important role in inhibiting NO production. Conclusions: The results of this study suggested that aqueous and ethanol extracts of EU and REU possess antioxidant capacities, and prevent oxidative damage to DNA, probably owing to their phenolic and flavonoid content. Therefore, EU and REU could be candidates antioxidant supplements.