• Title/Summary/Keyword: antihypertensive effect

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The depressive effect of S'NC nerve control treatment in hypertension patients (고혈압 환자에서 뇌신경조절의학 S'NC의 혈압강하 효과)

  • Han, Chang-Hyun;Han, Sang-Yeob;Shin, Mi-Suk;Choi, Sun-Mi
    • Korean Journal of Oriental Medicine
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    • v.13 no.3
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    • pp.87-95
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    • 2007
  • Objectives : The aim of this study was to investigate the antihypertensive effect of S'NC nerve control treatment in hypertensive patients. Methods: We measured the blood pressure of 5 patients who were admitted in the Oriental Medical Clinic of S'NC Medicine Research Institute from 19th April 2007 to 29th June 2007. Eligible participants had systolic blood pressure ${\ge}$140mmHg or diastolic blood pressure ${\ge}$90mmHg. Blood pressure measurements were after the patient had been in bed rest for at least 10 min. Ten sessions of S'NC nerve control treatment over 2 weeks were performed in the patients. Blood pressure were measured twice before and after each treatment. Results : After 2 weeks, blood pressure reduction was observed in the treatment patients, with an average decline of systolic blood pressure up to 21mmHg and diastolic blood pressure up to 20mmHg. But, there were not statiscally significant The effects of S'NC nerve control treatment by measuring time on blood pressure were as follows: In a systolic blood pressure(p=0.087) and diastolic blood pressure(p=0.609) was gradually deceased not significantly from 1st to 10th. Conclusion: These results suggest that S'NC nerve control treatment may be efficacious in decreasing arterial blood pressure in hypertensive patients. Controlled trials investigating the efficacy of S'NC nerve control treatment for lowering blood pressure are warranted.

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INFLUENCE OF PINACIDIL ON CATECHOLAMINE SECRETION EVOKED BY CHOLINERGIC STIMULATION AND MEMBRANE DEPOLARIZATION FROM THE RAT ADRENAL GLAND

  • Lim, Dong-Yoon;Park, Geun-Hong;Choi, Cheol-Hee;Ko, Suk-Tai
    • Proceedings of the Korean Society of Applied Pharmacology
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    • 1998.11a
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    • pp.148-149
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    • 1998
  • It has been known that potassium channel openers are a new class of molecules that have attracted general interest because of their potent antihypertensive activity in vivo and vasorelaxant activity in vitro (Hamilton and Weston, 1989). In the present study, it was attempted to examine the effect of the potassium channel opener on catecholamine (CA) secretion evoked by cholinergic stimulation, membrane depolarization and calcium mobilization from the isolated perfused rat adrenal gland. The perfusion of pinacidil (30-300 uM) into an adrenal vein for 20 min produced relatively dose-dependent inhibition in CA secretion evoked by ACh (5.32 mM), high $K^{+}$ (56 mM), DMPP (100 uM for 2 min), McN-A-343 (100 uM for 2 min), cyclopiazonic acid (10 uM for 4 min) and Bay-K-8644 (10 uM for 4 min). Also, under the presence of minoxidil (100 uM), which is also known to be a potassium channel activator, CA secretory responses evoked by ACh, high potassium, DMPP, McN-A-343, Bay-K-8644 and cyclopiazonic acid were also significantly depressed. However, in adrenal glands preloaded with pinacidil (100 uM) under the presence of glibenclamide (1 uM), an antidiabetic sulfonylurea that has been shown to be a specific blocker of ATP-regulated potassium channels (for 20 min), CA secretory responses evoked by ACh, high potassium, DMPP, McN-A-343, Bay-K-8644 and cyclopiazonic acid were considerably recovered to a considerable extent of the normal release as compared to that of pinacidil only. These results, taken together, suggest that pinacidil cause the marked inhibition of CA secretion evoked by stimulation of cholinergic (both nicotinic and muscarinic) receptors as well as by membrane depolarization, indicating strongly that this effect may be mediated by inhibiting influx of extracellular calcium and release in intracellular calcium in the rat adrenomedullary chromaffin cells. Furthermore, these findings suggest strongly that these potassium channel openers-sensitive membrane potassium channels also play an important role in regulating CA secretion.

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ACE Inhibitory and Antihypertensive Effect of Chitosan Oligosaccharides in SHR (Chitosan 올리고당의 안지오텐신 전환효소 활성 억제 및 SHR에서의 고혈압 억제 특성)

  • Hong, Sang-Pill;Kim, Myung-Hee;Oh, Se-Wook;Han, Chan-Kyu;Kim, Yong-Hyun
    • Korean Journal of Food Science and Technology
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    • v.30 no.6
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    • pp.1476-1479
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    • 1998
  • Effect of chitosan oligosaccharides on the ACE (angiotensin I converting enzyme) inhibition and antihypertension in SHR (Spontaneously hypertensive rat) was examined. The ACE inhibition activity was observed in all the chitosan oligosaccharides used in this study, and chitosan trimer exhibited the highest inhibitory activity $(IC_{50}=0.9{\mu}M)$ compared with other chitosan oligosaccharides $(IC_{50}\;:\;2.4{\sim}100\;{\mu}M)$. The results suggested that chitosan trimer was a good inhibitor of ACE in molecular level. When the single oral dose (2.14 mg/kg, similar to dose level of Captopril, known as strong ACE inhibitor) of chitosan trimer was given to 8 or 21 week aged SHR, the blood pressure reduction of both SHRs in 4hrs were $27{\pm}4.8\;mmHg\;and\;36{\pm}4.3\;mmHg$, respectively. Therefore, it was suggested that chitosan trimer could be applicable as natural ACE inhibitor related to antihypertension.

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The effect of Smart Care ubiquitous health service on hypertension management (고혈압관리에서의 스마트케어 서비스의 효과)

  • Chung, Young-Soon;Moon, Mikyung;Lee, Chang Hee
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.14 no.3
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    • pp.1213-1220
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    • 2013
  • The purpose of this study was to identify the effect of the Smart Care ubiquitous healthcare service on hypertension management. Fifty one patients with inadequately controlled blood pressure (Systolic Blood Pressure ${\geq}$ 140 mmHg despite prescribed antihypertensive medication) from 4 local clinics participated in this study. Remote biometric monitoring and healthcare consultation via videophone was provided to the participants during 24 week - Smart Care service. The average number of blood pressure monitoring and the average day of remote consult using Smart Care Service system was 121 and 14.8 per participant. As a result of analyzing change in blood pressure during 24 weeks, there was a significant difference in blood pressure between baseline and 24 weeks. Systolic blood pressures of 86.3% participants were dropped within a normal range at 24 week. Smart Care u-health service could be effective in reducing blood pressure.

Safety Evaluation of Sankhaholi (Evolvulus alsinoides Linn.) in the Management of Essential Hypertension: A Randomized Standard Control Trial

  • Khan, Qamar Alam;Khan, Asim Ali;Parveen, Shagufta
    • CELLMED
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    • v.9 no.4
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    • pp.6.1-6.4
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    • 2019
  • Background: Hypertension is one of the major risk factors for stroke, heart attack, heart failure and kidney failure, thereby causing deaths and disability world-wide. The most predominant type of HTN is essential hypertension (HTN). Unani scholars have mentioned about the clinical manifestations and management of the hypertension and documented it in the context of 'Imtila'. The drug Sankhaholi (Evolvulus alsinoides Linn.) is one of the widely prescribed medicines for the management of essential hypertension in Unani medicine. Material and Methods: The present clinical study was carried out to evaluate the safety of Sankhaholi (Evolvulus alsinoides Linn.) in the management of stage-1 essential hypertension. Newly diagnosed 41 patients of Essential Hypertension (22 patients were in the test group and 19 patients in the control group) were enrolled for the study. All the patients in the test group were given with the test drug 3 g powder of Sankhaholi twice a day for 6 weeks orally. Patients in the control group were given standard drug Ramipril 5 mg once a day for the same duration. Clinical as well as hematological parameters were recorded before and after the treatment. Results: No significant changes are recorded in safety parameters viz. CBC, Haemogram, LFT and KFT. Clinically no adverse effect of the drug has been reported during the course of treatment. Also, significant effect on the systolic blood pressure (p<0.001) were recorded in test group. The drug Sankhaholi was also found effective on the symptoms associated with hypertension. Conclusion: The finding of the study revealed that the test drug Sankhaholi (Evolvulus alsinoides Linn.) is safe and has substantial efficacy as an antihypertensive drug.

In Vitro Immune-Enhancing Activity of Ovotransferrin from Egg White via MAPK Signaling Pathways in RAW 264.7 Macrophages

  • Lee, Jae Hoon;Ahn, Dong Uk;Paik, Hyun-Dong
    • Food Science of Animal Resources
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    • v.38 no.6
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    • pp.1226-1236
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    • 2018
  • Ovotransferrin (OTF) is a well-known protein of the transferrin family with strong iron chelating activity, resulting in its antimicrobial activity. Furthermore, OTF is known to have antioxidant, anticancer, and antihypertensive activities. However, there have been few studies about the immune-enhancing activity of OTF. In current study, we investigated the immune-enhancing activity of OTF using the murine macrophage cells in vitro. The effect of OTF on production of pro-inflammatory mediators and cytokines were determined using Griess assay and quantitative real-time PCR. Using Neutral Red uptake assay, we confirmed the effect of OTF on phagocytic activity of macrophages. Ovotransferrin significantly increased the production of nitric oxide (NO) and secretion of inducible nitric oxide synthase (iNOS) mRNA with no cytotoxic activity. Ovotransferrin (2 mg/mL) stimulated NO production up to $31.9{\pm}3.5{\mu}M$. Ovotransferrin significantly increased the mRNA expression levels of pro-inflammatory cytokines which are tumor necrosis factor-${\alpha}$ (TNF-${\alpha}$), Interleukin-$1{\beta}$ (IL-$1{\beta}$), and IL-6: OTF (2 mg/mL) treatment increased the secretion of mRNA for TNF-${\alpha}$, IL-$1{\beta}$, and IL-6 by 22.20-, 37.91-, and 6.17-fold of the negative control, respectively. The phagocytic activity of macrophages was also increased by OTF treatment significantly compared with negative control. Also, OTF treatment increased phosphorylation level of MAPK signaling pathways. These results indicated that OTF has immune-enhancing activity by activating RAW 264.7 macrophages via MAPK pathways.

Effect of Oryeongsan on Spontaneously Hypertensive Rat decrease of Blood Pressure and Vasodilatory (오령산(五苓散)의 본태성 고혈압 동물모델에서 혈압강하 및 혈관 이완 효과)

  • Jang, Youn Jae;Kim, Hye Yoom;Hong, Mi Hyeon;Yoon, Jung Joo;Lee, Ho Sub;Kang, Dae Gill
    • Herbal Formula Science
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    • v.30 no.3
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    • pp.123-135
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    • 2022
  • Oryeongsan (ORS), a formula composed of five herbal medicines, has long been used to treat impairments of the regulation of body fluid homeostasis. The purpose of this study was to determine the antihypertensive and renal protective effects of ORS in rats with hypertension. Spontaneously hypertensive rats (SHR) were divided into two groups with similar mean baseline systolic blood pressure (SBP). Then, 1 mL/kg of vehicle (distilled water) or 1.5, 3 g/kg of ORS extract were administered orally once a day for 4 weeks. SBP and diastolic blood pressure (DBP) were measured at weeks 1, 2, 3 and 4. At the end of the experiment, blood was collected, and heart were removed for histology. By the 2 weeks after initiation of treatment, the ORS treated group had significantly lower SBP than SHR rats. The ORS treatment significantly improved blood pressure and echocardiogram parameters compared to hypertensive rats. Additionally, the left ventricular (LV) remodeling and LV dysfunction were significantly improved in ORS treated group hypertensive rats. Furthermore, an increase in fibrotic area has been observed in SHR rats compared with Wistar-Kyoto rats (WKY). Furthermore, administration of ORS significantly attenuated cardiac fibrosis in hypertensive rats. Therefore, these findings suggest that ORS has a protective effect on heart failure by alleviating hypertensive heart disease and cardiovascular dysfunction in SHR.

Blood Pressure Lowering Effect of Korean turbid rice wine (Takju) Lees Extracts in Spontaneously Hypertensive Rat (SHR) (막걸리박 열수추출물 첨가 식이가 선천성 고혈압쥐(SHR)의 혈압 저하에 미치는 영향)

  • Lee, Hyun-Sook;Hong, Kyoung-Hee;Kim, Jae-Young;Kim, Dong-Hee;Yoon, Cheol-Ho;Kim, Soon-Mi
    • Journal of the Korean Society of Food Culture
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    • v.24 no.3
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    • pp.338-343
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    • 2009
  • This study was conducted to investigate the effects of Takju lees hot water extracts on the blood pressure in spontaneously hypertension rats (SHR). Twenty eight male SHR were grouped by their blood pressure and fed a control diet or experimental diets containing 1% (G1), 2% (G2), or 4% (G4) Takju lees extracts for 4 weeks. Food intake was not significantly different among the groups. However, body weight gain was significantly lower in groups fed the Takju lees extract than the control group. The systolic blood pressure was significantly lower in the Takju lees extract containing groups (especially in G4 group) than the control groups. In addition, mean blood pressure {(systolic+dyastolic)/2} decreased with an increase in the amount of Takju lees extract in the diet and feeding period. Takju lees extract decreased angiotensin I converting enzyme (ACE) activity in a dose-dependent manner. These results suggest that the Takju lees extract exert an antihypertensive effect by decreasing ACE activity.

Analysis of the Physiological Healing Effects by Forest Types - Focused on Hypertensive and Diabetic - (숲의 종류에 따른 생리적 치유효과 분석 - 고혈압과 당뇨병 환자를 중심으로 -)

  • Jeong, Na-Ra;Ahn, Deug-Soo
    • Journal of the Korean Institute of Landscape Architecture
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    • v.43 no.5
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    • pp.1-12
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    • 2015
  • This study analyzes the physiological healing effects on users according to forest types. Forest types are classified into Chamaecyparis obtusa, Quercus serrata and Pinus densiflora and the subjects of this study, 64 hypertensives, 59 diabetics and 59 ordinary people, were tested to observe their physiological effects. The index of physiological reaction comprises electroencephalogram(EEG), heart rate variability(HRV), blood pressure and cortisol level. An analysis of the stress-buffering effect from the physiological reactions of the overall subjects indicates that Quercus serrata forests have a higher stress-buffering effect than others in terms of central nervous, endocrine and autonomic nervous systems. Chamaecyparis obtusa forests are contributory to soothing stress in the central nervous and endocrine systems. Pinus densiflora forests contribute in some indexes of the endocrine and autonomic nervous systems. In contrast, Pinus densiflora forests are less influential on a stress-buffering effect than the other two. In the level of the effect for lowering blood pressure, Chamaecyparis obtusa and Quercus serrata forests are more effective than Pinus densiflora forests. Therefore, staying in the first two forests can heighten the healing effect of the lowering of blood pressure for hypertensive patients. Every forest is efficacious to lowering diabetic blood glucose levels. Spending time in Quercus serrata forests is more effective for hypoglycemic.

Antihypertensive Effects of Casein Hydrolysate in Spontaneously Hypertensive Rats (자연발증고혈압쥐에서 카제인 가수분해물의 혈압강하효과)

  • Kim, H.S.;In, Y.M.;Jeong, S.G.;Ham, J.S.
    • Journal of Animal Science and Technology
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    • v.44 no.4
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    • pp.483-490
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    • 2002
  • The aim of this study was to determine if a low-molecular weight casein hydrolysate has an anti- hypertensive effect in spontaneously hypertensive rats (SHR). Prior to the in vivo experiment, the casein hydrolysate was confirmed to be resistant to gastrointestinal digestion by confirming the retention of its potency as an inhibitor of angiotensin I-concerting enzyme after incubation with pepsin, trypsin, or chymotrypsin. The in vivo anti-hypertensive effect of the hydrolysate was determined by the tail cuff method. Following an oral administration of the hydrolysate solution, the systolic blood pressure (SBP) decreased by 12.9% (-28.9mmHg; P<0.05) at 3 h after the administration at a dose of 500mg/kg body weight. When the hydrolysate was administered as an emulsion with 30% egg yolk, its anti-hypertensive effect was even more greater at the same dose(-30.8mmHg or -15.9%; P<0.01). In a 50-day long-term trial where the casein hydrolysate was administered once a day, the SBP-lowering effect of the hydrolysate was apparent (P<0.05) from day 35 through the end. Moreover, organ weights and plasma glutamate oxaloacetate transaminase and glutamate pyruvate transaminase activities of the administered SHR were not significantly different from those of controls at the end of the long-term trial.