• Title/Summary/Keyword: Hypertension Control

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Inhibitory Mechanism of Polyphenol Compounds Isolated from Red Wine on Catecholamine Release in the Perfused Rat Adrenal Medulla

  • Yu, Byung-Sik;Ko, Woo-Seok;Lim, Dong-Yoon
    • Biomolecules & Therapeutics
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    • v.16 no.2
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    • pp.147-160
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    • 2008
  • The present study was designed to examine effects of polyphenolic compounds isolated from red wine (PCRW) on the release of catecholamines (CA) from the isolated perfused model of the rat adrenal medulla, and to clarify its mechanism of action. PCRW (20${\sim}$180 ${\mu}$g/mL), given into an adrenal vein for 90 min, caused inhibition of the CA secretory responses evoked by ACh (5.32 mM), high $K^+$ (a direct membrane-depolarizer, 56 mM), DMPP (a selective neuronal nicotinic $N_N$ receptor agonist, 100 ${\mu}$M) and McN-A-343 (a selective muscarinic $M_1$ receptor agonist, 100 ${\mu}$M) in dose- and time-dependent fashion. PCRW itself did not affect basal CA secretion (data not shown). Following the perfusion of PCRW (60 ${\mu}$g/mL), the secretory responses of CA evoked by Bay-K-8644 (a L-type dihydropyridine $Ca^{2+}$ channel activator, 10 ${\mu}$M), cyclopiazonic acid (a cytoplasmic $Ca^{2+}$-ATPase inhibitor, 10 ${\mu}$M) and veratridine (an activator of voltage-dependent $Na^+$ channels, 10 ${\mu}$M) were also markedly blocked, respectively. Interestingly, in the simultaneous presence of PCRW (60 ${\mu}$g/mL) and L-NAME (a selective inhibitor of NO synthase, 30 ${\mu}$M), the inhibitory responses of PCRW on the CA secretion evoked by ACh, high $K^+$, DMPP, McN-A-343, Bay-K-8644 and cyclpiazonic acid were recovered to considerable level of the corresponding control release compared with those effects of PCRW-treatment alone. Practically, the amount of NO released from adrenal medulla after loading of PCRW (180 ${\mu}$g/mL) was significantly increased in comparison to the corresponding basal released level. Collectively, these results obtained here demonstrate that PCRW inhibits the CA secretory responses evoked by stimulation of cholinergic (both muscarinic and nicotinic) receptors as well as by direct membrane-depolarization from the isolated perfused adrenal gland of the normotensive rats. It seems that this inhibitory effect of PCRW is mediated by blocking the influx of both ions through $Na^+$ and $Ca^+{2$} channels into the rat adrenomedullary chromaffin cells as well as by inhibiting the release of $Ca^{2+}$ from the cytoplasmic calcium store, which are due at least partly to the increased NO production through the activation of nitric oxide synthase. Based on these data, it is also thought that PCRW may be beneficial to prevent or alleviate the cardiovascular diseases, such as hypertension and angina pectoris.

Measurement of CYP450 Enzymes Activity of Bosentan in HepaRG Cell (HepaRG 세포를 이용한 Bosentan 약물의 CYP450 효소활성 측정)

  • Han, Kyoung-Moon;Jung, Jung-A;Sin, Ji-Soon;Cha, Hye-Jin;Bae, Young-Ji;Kim, Hyun-Uk;Kim, Young-Hoon;Seong, Won-Keun;Kang, Hoil
    • YAKHAK HOEJI
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    • v.58 no.4
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    • pp.255-261
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    • 2014
  • Poly-pharmacy has been on the rise because of aging of population and chronic disease. Most of drug metabolism happens in the liver by CYP isozymes and the metabolism by CYP450 enzymes. The Cytochrome P450 (CYP) is a superfamily of enzymes that catalyzes the oxidations of many endogenous and exogenous compounds. Primary human Hepatocytes (HH) are considered as the gold standard model for In vitro drug interaction studies. However, there are several limitations (cost, limited life span) for using HH cells. HepaRG cells are being used as a possible alternative. HepaRG cells were cultured in William E medium containing the positive control inducers (1A2: 10, 25, 50 ${\mu}M$ omeprazole, 2C9 and 2C19: 10 ${\mu}M$ rifampin, 3A4: 10, 25, 50 ${\mu}M$ rifampin) at $37^{\circ}C$, 5 % $CO_2$ in a humidified atmosphere. This study was to evaluate the induction of CYP isozymes (1A2, 2C9, 2C19 and 3A4) using LC-MS/MS. We evaluated the potential induction ability of Bosentan, as a drug of pulmonary artery hypertension, in HepaRG cells. For reference, dose of the Bosentan is determined to the basis of the $C_{max}$ (835 mg/ml) value. The enzyme activity demonstrated that CYP2C9 and 3A4 were induced up to 20 times by Bosentan. Like as In vivo, the enzyme activity of CYP2C9 and CYP3A4 is significantly induced in a dose-dependent by Bosentan.

Quality Characteristics of Kimchi Added with Blue Crab (꽃게를 첨가한 김치의 품질특성)

  • Kim, Ji-Hyun;Park, Gi-Soon
    • Culinary science and hospitality research
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    • v.20 no.2
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    • pp.246-259
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    • 2014
  • This study was carried out to investigated the quality characteristics of kimchi, made by adding blue crab. Kimchi is made into a fermented vegetable food by adding red pepper powder, garlic, ginger and fermented salted fish to the salted cabbage or radish. Chitin/chitosan, found in the shell of crab is the biopolymer. Chitin possesses many beneficially biological properties. Salt consumption impacts on human health problems such as hypertension and cardiovascular disease. In this study, we hypothesized that kimchi added with raw blue crab would reduce excessive salt consumption and increase protein supplementation. We analyzed lactic acid bacteria level, pH, acidity, salinity and free amino acid of kimchi added with blue crab during 1, 15 and 30 days storage period at $5^{\circ}C$. Lactic acid bacteria, pH, salinity increased significantly in kimchi added with blue crab compared to the control. Accordingly, this result suggested that kimchi should be manufactured by adding raw fish rather than fermented salted fish.

Health Problem of the Middle-Aged Women (종합 건강검진 과정에서 나타난 일부 중년기 여성의 건강문제)

  • 성미혜
    • Journal of Korean Academy of Nursing
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    • v.29 no.2
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    • pp.258-270
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    • 1999
  • This study was carried out to offer the basic data for more qualitative lives of the middle-aged women through their health maintenance and control. So, the researcher reviewed and analyzed the health problems of the middle-aged women, the differences of main symptoms in each subject, positive ratcs in screening tests, the difference of screening tests with age and the correlation of obesity and blood pressure with screening tests. All subjects were 218 women(40-59years) who had a check-up at a comprehensive health check-up center in K University Hospital in Seoul from July 1, 1998 to August 31. 1998. Questionaires were developed to get subjects, general characteristics. main symptoms, medical examination and diagnosed disease by the researcher referring through the questionaires of comprehensive health check-up center and the medical recorders were used as a tool of study. The researcher analyzed the data with SPSS PC+ ; the distribution of the subjects, general characteristics and main symptoms with percentage : the difference between main symptoms and screening tests with X$^2$-test, ANOVA. The results are as follows. 1) Among the age distribution, most were 40-45 years old and unemployed. 2) The most common complaints were indigestion in digestive system, cough in respiratory system, heart beat in cardiovascular system, general sweat in endocrine system. edema in urinary system, easy bruise in hematologic system, backache in musculoskeletal system, headache in psychoneurologic system, lochia in gynecology, itch in dermatology system, eye ball pain in visual system and tinnitus in auditory system. 3) In main symptoms according to age, the 40-45 age group had a higher rate of complaints in digestive system and gynecology than other age group ; the 46-49 age group in endocrine system. 4) The main symptoms according to diagnosis had no difference statistically. 5) The screening tests which showed high rates of abnormality were mammography(the highest), abdominal ultrasonography, upper gastrointestinal series/gastrofiberscopy, PFT. In all age group the highest rate of abnormality was seen in mammography. 6) In screening tests according to age. the 46-49 age group showed higher positive rates of pap smear, blood sugar test, urine test than any other age group ; the 50-55 age group showerd higher positive rates of obesity, BP, chest X-ray, abdominal ultrasonography, ESR, SGOT, CRP and urine micro. 7) In correlation of obesity with screening test, the obesity group showed higher positive rates of blood pressure, chest X-ray, abdominal ultrasonography, HCT and CRP than the normal weight group. 8) In correlation of blood pressure with screening test, the hypertension group showed higher positive rate of obesity, chest X-ray, abdominal ultrasonography, pap smear and blood sugar than the normal blood pressure group. In conculusion, the middle-aged women have various physical symptoms and affected by age. The obesity and BP have an important effect on the health of the middle aged women. Therefore, this study is considered significant as data for qualitative lives of the middle-aged women playing an important part of family health care by catching of their health problem complaints for prevention of disease and promotion of health.

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The Role of Increased Oxidative Stress in the Development of Diabetic Nephropathy (당뇨병성 신증의 발생에 있어서 산화성 스트레스의 역할)

  • Jang Yeon-Jin;Park Hyoung-Sup;Kim Hyoun-Sik;Hong Hea-Nam;Kim Mi-Kyung
    • The Korean Journal of Pharmacology
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    • v.31 no.1 s.57
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    • pp.95-102
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    • 1995
  • The pathogenesis of diabetic nephropathy is still not completely understood while renal disease is one of the most common disabling complications of diabetes. We, in the present study, investigated the possible involvement of oxidative stress in the development of diabetic nephropathy. To hasten the development of diabetic nephropathy, streptozotocin was injected to unilaterally nephrectomized rats (NEPH-STZ). Eight weeks later, NEPH-STZ rats developed severe hyperglycemia, proteinuria, and hypertension. The kidneys of these rats showed compensatory hypertrophy and mesangial expansion. In contrast, the rats with streptozotocin injection alone (STZ) did not increase urinary protein excretion. Nephrectomized non-diabetic rats (NEPH) developed increased urine protein excretion, but without prominent renal morphological changes. However, oxidation of renal cortical tissue protein significantly increased in all 3 groups of NEPH, STZ and NEPH-STZ in comparison to control rats (CONT). The result indicates the non-specificity of the oxidative tissue damage and suggests that the oxidative damage is hardly a sole mechanism leading to the development of the diabetic nephropathy. However, it would still be a contributing factor considering that the oxidative stress is a common final pathway mediating tissue damages in chronic diabetic complications and other serious illness.

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Development and Effect of a Metabolic Syndrome Prevention Program for University Students using Mobile Application (대학생을 위한 대사증후군 예방교육프로그램 개발 및 효과-어플리케이션(Application) 매체 적용)

  • Kang, Han-Kyu;Kim, Tae-Bin;Kim, Kyu-Hyung;Kim, Min-Jin;Kim, Jin-Hyun;Kim, Hyun-Yong;Yeom, Kyung-Hoon;Lee, Ka-Hyun;Choi, Eun-Young;Kang, Kyung-Ah
    • Child Health Nursing Research
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    • v.20 no.3
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    • pp.205-214
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    • 2014
  • Purpose: The purpose of the study was to develop and evaluate the effect of a metabolic syndrome prevention program using mobile application for university students. Methods: A pretest-posttest design with content analysis as a triangulation method was used. The participants were 49 university students. Data were analyzed using descriptive statistics, $x^2$-test, t-test and Fisher's exact test with the SPSS WIN 18.0 program. Results: The application consisted of six main menus as follows: 'basic education', 'nutrition education', 'exercise education', 'meal diary', 'exercise checkup', and 'tips'. The experimental group had higher recognition about metabolic syndrome prevention than the control group (F=7.919, p=.007). Understanding of metabolic syndrome among participants was mostly related to chronic diseases such as obesity, hypertension and diabetes in relation to the importance of eating habits and exercising. Conclusion: The results indicate that metabolic syndrome prevention education using mobile application is necessary and would be useful for university students.

The Clinical Analysis on 84 Cases of Dementia (치매 환자(患者) 84례(例)에 대한 유형별(類型別) 임상고찰(臨床考察))

  • Jeon, Sang-Yun;Kang, Hwa-Jeong;Kim, Yun-Wan;Hong, Seok
    • The Journal of Internal Korean Medicine
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    • v.21 no.2
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    • pp.193-201
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    • 2000
  • Objective : In western medicine, many medication therapies and non-medication therapies have been treated for dementia. But these methods did no more than symptomatic therapies, not basic treatment, which just can better subordinate symptoms. In fact, care or control became the very point of treatment of dementia. So, to try to find oriental medical treatments for Dementia, a clinical analysis was carried out for 84 patients who were diagnosed as Dementia through MMSE-K and treated in Dong-shin Oriental Medicine Kwangju Hospital and Karitaas Sanatorium from 10. Jan. 1998 to 20. May. 2000. Methods : Regardless of patterns of Dementia, the basic treatment(本治) is to supplement encephalon deficiency(腦髓不足). And the external treatment(標治) must be accompanied by through diagnosis according to symptoms(辨證). All patients were given Yukmi-jihwanghwan gami and acupuncture treatment. Results : Dementia of cerebral vascular type shows a high distribution(51 patients, 60.7%). Women also are distributed more widely(62명, 73.8%). In Age distribition, 70-79 years-32 patients(38.1%), over 80 years-21 patients(25%), 60-69 years-17 patients(20.2%), 50-59 years-13 patients(15.5%) and under 49 years-1 patient(1.2%). From this, Dementia occurs well over 60 years and the rate of occurrence of Dementia is high as people grow older. In past history of people with Dementia, hypertension is associated much(50 patients, 64.1%). Distribution of mental state by MMSE-K examination declined in orientaion, mathmatical faculty, memory faculty and composition faculty. In therapeutic effect by treatment duration, 14 patients(93.3%) out of 15 in sanatorium show a significant effect. And 52 patients(75.4%) out of 69 in the hospital show the same result. Especially, 11 patients with Alzheimer type in sanatorium showed an good effect when treated over 4 months. 40 patients(83.3%) with cerebral vascular type out of 48 in the hospital showed the stage of betterment. Conclusions : The basic treatment(本治) for Dementia is to supplement encephalon deficiency(腦髓不足). For promoting encephalon through supplementing kindney(補腎健腦), All patients were given Yukmi-jihwanghwan gami. And the external treatment(標治) through diagnosis according to symptoms(辨證) were be accompanied by. The result is quite effective. We consider there must be more research based on this study.

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Effects of health promotion education experience on present health status of elderly (건강증진 보건교육 경험이 노인의 현재 건강상태에 미치는 영향)

  • Lee, Heung Hun;Hwang, Eun Jeong
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.20 no.11
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    • pp.106-114
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    • 2019
  • This study aims to identify the effects of experiencing health promotion education on the present health status of elderly people. The subjects of this study were a total 10,532 elderly people (aged 65 years or older), and who were selected from the data of the '2017 Community Health Survey'. The health promotion education experience consisted of handwashing education/campaign, a non-smoking campaign and non-smoking education. The chronic disease control education experience consisted of education on hypertension, diabetes mellitus and arthritis. Psychiatric counseling consisted of consultations on stress, depression and suicide. The present health status consisted of the patients' ability to exercise, their self-care ability, their activities of daily living, their pain/discomfort and their anxiety/depression. The data was analyzed utilizing the chi-square test, the Mann-Whitney test and multivariate logistic regression analysis. The general characteristics of the subjects were 4,075 males (38.69%) and 6,457 females (61.31%). The average age was 73.71(±6.18) years old. The significant factors influencing the elderly peoples' present health status were age (OR=0.909, 95% CI=0.886-0.933), handwashing education/campaign (OR=2.463, 95% CI=1.703-3.563), a stop smoking campaign (OR=1.624, 95% CI=1.146-2.301) and consultation for mental problems (OR=0.533, 95% CI=0.359-0.791). In conclusion, to modify the personal habits that the elderly have had for a long time and to show the effects of education, long-term continuous education that focuses on the characteristics of the people will be effective.

Anti-cancer Effects of Oldenlandia diffusa, Cremastra appendiculata and Fritillaria thunbergii on MDA-MB-231 Human Breast Cancer Cells (백화사설초(白花蛇舌草), 산자고(山慈姑), 절패모(浙貝母)에 의한 MDA-MB-231 인체 유방암 세포에서의 항암 효과)

  • Jin, Myung-Ho;Park, Sun-Young;Kang, You-Gyung;Shim, Won-Suk;Hur, Hee-Soo;Hong, Sang-Hoon;Park, Cheol;Choi, Yung-Hyun;Park, Sang-Eun
    • The Journal of Internal Korean Medicine
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    • v.35 no.2
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    • pp.133-144
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    • 2014
  • O. diffusa, C. appendiculata and F. thunbergii are reported to possess many pharmacological activities including anti-oxidant, anti-inflammatory, anti-hypertension, anti-diabetic and anti-cancer effects. However, their anti-cancer activities in human breast cancer have not been clearly elucidated yet. Objectives: In the present study, we compared the in vitro cytotoxic effects of single and complex treatment of O. diffusa, C. appendiculata and F. thunbergii in human breast cancer MDA-MB-231 cells. Methods: After we treated human breast cancer MDA-MB-231 cells with O. diffusa, C. appendiculata and F. thunbergii. we evaluated viability, growth inhibition, morphological changes, apoptotic body formation, measurement of the cell cycle and formation of DNA fragmentation of these cells. Results: We found that single treatment of O. diffusa and F. thunbergii could inhibit cell proliferation in human breast cancer MDA-MB-231 cells. However, complex treatment of O. diffusa, C. appendiculata and F. thunbergii had weak or no effect on the cell proliferation of MDA-MB-231 cells. The first, anti-proliferative effects of O. diffusa in MDA-MB-231 cells was associated with G2/M arrest of cell cycle and apoptotic cell death. The second, anti-proliferative effect of F. thunbergii in MDA-MB-231 cells was associated with apoptotic cell death. Conclusions: Taken together, these findings suggest that O. diffusa and F. thunbergii may be a potential chemotherapeutic agent for the control of human breast cancer cells, further studies will be needed to identify the molecular mechanisms.

The Relationship Between Obstructive Sleep Apnea and Cartotid Artery Atherosclerosis (폐쇄성수면무호흡과 목동맥동맥경화증의 상관관계)

  • Cho, Jae-Wook;Kim, Yong-Wan;Lee, Hyun-Soon;Jeon, Doo-Soo;Kim, Yun-Seong;Jung, Dae-Soo
    • Annals of Clinical Neurophysiology
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    • v.11 no.2
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    • pp.54-58
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    • 2009
  • Background: Obstructive sleep apnea (OSA) is associated with several cardiovascular diseases. However, the mechanisms are not completely understood. The measure of common carotid artery intima-media thickness (IMT) has been extensively used as an early marker of atherosclerosis. The aim of this study was to test the hypothesis that early signs of atherosclerosis are present in patients with OSA and correlate with OSA severity Methods: Eleven male patients with OSA were studied by using full standard overnight polysomnography and high-definition echo-tracking device to measure intima-media thickness and carotid artery diameter. Eight healthy volunteers matched for age and sex were studied by portable respiratory monitoring device. All participants were free of hypertension, diabetes, and were not on any medications. Patients with OSA were naive to treatment. Results: All patients and normal controls were male. There was no significant difference of age between patients and controls ($48.4{\pm}8.85$ and $48.0{\pm}9.77$). Significant differences existed between control subjects and patients with mild to moderate and severe OSA (apnea-hypopnea index, $1.51{\pm}1.15$ and $38.51{\pm}19.13$ respectively) in intima-media thickness ($0.59{\pm}0.064$ and $0.93{\pm}0.16$; P=0.0023), and carotid diameter ($5.79{\pm}0.44$ and $6.47{\pm}0.51$; P=0.0227). Multivariate analyses showed that the apnea-hypopnea index correlated independently with intima-media thickness and carotid diameter (r=0.79, P=0.0008, and r=0.47, P=0.0482). Conclusions: Middle-aged patients with OSA who are free of overt cardiovascular diseases have early signs of atherosclerosis, which further supports the hypothesis that OSA plays an independent role in atherosclerosis progression.

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