This study was done to determine the relationship between the anxiety levels of hospitalized psychiatric patients and various influencing variables. The purpose of this study was to determine factors that may help hospitalized psychiatric patients to experience lower levels of anxiety in relation to changing situations and provide the basic data for a dynamic approach which is important in the field of modern psychiatric nursing that understands and analyses the meaning of patients behavior. The anxiety may produce stress, which is a common experience among all human beings. Patients may merely feel uncomfortable in the state of mild anxiety, however, the severe state could be an obstacle to treatment and recovery from disease. The anxiety of the psychiatric patient is a factor which greatly influencing the patient's behavior, so his disorderd behavior is an expression of defence or pathologically fixed behavior. According the psychiatric patient's anxiety at the time of admission is the concern of the health team. The nurse's special concern has to do with understanding and supporting the patient and meeting his individual needs by frequent close contact during the entire hospitalization period, compared to other teamembers the nurse's responsibility in this regard is greated. So this study emphasizes the necessity of creating conditions these, but above all the psychiatric nurse should create a therapeutic environment by not only regarding the patient's behavior or symptoms but understanding the meaning of them. The subjects of this study were 57 psychiatric patients selected from the K neuropsychiatric hospital located in Kunsan city. Data were collected twice from the same patients within a 24 hour period after admission and 10 days after admission. (September 18th to November 8th, 1980). The data collected method was through direct interview, and the interview time was 20 minutes for each patient. Data analysis included Item Analysis & Internal Consistency Reliability Tests, Percentages, t-test, analysis of variance and stepwise multiple regression analysis. The findings of this study were as follows. A. Test of Hypothesis a. Hypothesis 1 :“The anxiety level of psychiatric patients within 24 hours after admission will be higher than those of the same patients 10 days after admission,”was accepted. (t = 3. 15 ; p < 0.005) b. Hypothesi 2:“The more the number of admissions the higher the level of anxiety related to two categories”, was accepted. (affective anxiety: F = 5.50, p < 0.005, Somatic anxiety: F = 9.12, p <.
Park, Gunhyuk;Jang, Eunyoung;Kim, Seongbae;Han, Eunyoung;Kim, Yong-ung
Journal of the Society of Cosmetic Scientists of Korea
/
v.43
no.4
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pp.281-287
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2017
Stress in skin plays a significant role in both the direct/indirect regulation of cellular processes occurring in hair, which in turn affect the hair cycle. However, experimental data regarding the effects of stress-related corticotropin releasing factor (CRF) released by stress on the apoptotic process involved in hair is limited. Therefore, we investigated the acceleration of early-stage apoptosis induced by atopy-related stress using a 2,4-dinitrochlorobenzene NC/Nga mice model. Expression of CRF, its related proteins, annexin V, and mitochondrial dysfunction were measured by immunohistochemical analyses. Atopic stress strongly stimulated stress hormones response, such as CRF and adrenocorticotropic hormone, in outer epithelial sheath of the hair. Moreover, its stress induced mitochondrial damage and early-stage apoptosis of cells in hair root. These findings suggest that hair damage due to apoptosis in atopy model is accelerated in a high CRF environment. Importantly, the effect of stress-related CRF on apoptosis processes involved in atopy dermatitis-related hair loss, suggests that the CRF-regulating development or maintenance materials may provide effective therapeutic strategies for hair health.
1. Background and Purpose : I intended to investigate the effects of Taeumin Yuldahansotang and Jowisokmyungtang experimentally to hypertension and renal function and contrived to approach these diseases by constitutional medicine. 2. Methods : I adapted two groups, normal rats and spontaneously hypertensive rats, to the same environment for more than 2 weeks and adminstrated water extracts of Yuldahansotang and Jowisokmyungtang. After adminstration of water extracts, I observed significant changes of values of the blood pressure and the urinary excretion of creatininine, electrolytes, osmolarity, renin, atrial natriuretic peptide and the plasma level of aldosterone, triglyceride, phospholipid, cholesterol. 3. Results : Yuldahansotang and Jowisokmyungtang decrease the blood pressure in the spontaneous hypertensive rats, the one by increasing the plasma level of atrial natriuretic peptide and decreasing the plasma level of aldosterone, the other by decreasing the plasma level of aldosterone, from which we could detect the therapeutic difference between Yuldahansotang and Jowisokmyungtang.
Journal of the Korean Institute of Landscape Architecture
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v.41
no.4
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pp.68-76
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2013
Effortful directed attention becomes fatigued if it is demanded by environment. Kaplan and Kaplan's Attention Restoration Theory (ART) proposes that the fatigued directed attention can be restored by a restorative landscape. The four restorative components are being away, fascination, extent, and compatibility. The restorative effect of landscape has been mainly investigated in terms of nature vs. urban dichotomy, although ART acknowledges that various types of landscapes can induce restorative effect. The purpose of this study is to examine whether sense of place of landscape has an influence on the restorative effect, and how the effect relates to the visiting experience. This study was performed in An-Ap-Ji with 200 Korean visitors who participated in the questionnaire survey. Hartig et al.'s PRS (Perceived Restorativeness Scale) was used as the research instrument to measure the restorative quality. The Analysis results are summarized as: 1) PRS was a very reliable measurement for Koreans' assessment of traditional landscape. Especially, the factor analysis produced four restorative components which fully supported ART. 2) The sense of place of landscape was found to have a positive influence on the restorative effect. 3) Landscape beauty was also discovered to be influential in the restoration even though the effect of beauty was lower than that of the sense of place. 4) Among the four restorative components, three components (fascination, escape, compatibility) influenced both visiting satisfaction and revisit intention, where the order of the relevant importance was fascination, escape, and compatibility. Based on the results, it was suggested that PRS should be used in landscape restoration research in Korea in order to re-examine its' reliability. It was also proposed that more research should be directed to investigate the relationship between the sense of place and the restorative effect of landscape.
Continuous body temperature monitoring is useful and essential in diverse medical procedures such as infection onset detection, therapeutic hypothermia, circadian rhythm monitoring, sleep disorder assessment, and gynecological research. However, the existing thermometers are too invasive or intrusive to be applied to long-term body temperature monitoring. In our previous study, we invented the bi-medium deep body thermometer which can noninvasively and continuously monitor deep tissue temperature. And the ratio of thermal resistances expressed as K-value should be obtained to estimate body temperature with the thermometer and it can be different under various measurement environments. Although the device was proven to be useful through preliminary simulation test and small group of human study, the experimental environment was restrictive in our previous approach. In this study, a finite element simulation was executed to obtain the K-value and evaluate the accuracy of bi-medium thermometer under various measurement environments. In addition, K-value estimation equation was developed by analyzing the influence of 5 measurement environmental factors (medium length, medium height, tissue depth, blood perfusion rate, and ambient temperature) on K-value. The results revealed that the estimation accuracy of bi-medium deep body thermometer based on computer simulation was very high (RMSE < $0.003^{\circ}C$) in various measurement environments. Also, bi-medium deep body thermometer based on K-value estimation equation showed relatively accurate results (RMSE < $0.3^{\circ}C$) except for one case. Although the K-value estimation technology should be improved for more accurate body temperature estimation, the results of finite element simulation showed that bi-medium deep body thermometer could accurately measure various tissue temperatures under diverse environments.
This study was conducted to clarify the effects of the Korean raisin (Hovenia dulcis Thunb) extracts and polyherbal extracts consisted of 6 types herbal extracts including HDT (HDTmix) on $CCl_4$ induced organ damages. Extracts were prepared by autoclave ($121^{\circ}C$, 15 psi, 3 hours) and filtered with nylon cloth and filter paper then freezing dried. Male Sprague-Dawley rats $(200^{\circ}{\ae}20g)$ were used as experimental groups, which were divided into 5 groups; intact control group (100 mg/kg), $CCl_4$ dosing group (100 mg/kg), $CCl_4$ dosing after HDT extract dosing group (100 mg/kg), $CCl_4$ dosing after HDTmix dosing group (100 mg/kg), Silymarin dosing group (5 mg/kg) after all test articles were orally dosed once a day for 28 days. They were sacrifiled under ether anesthesia. HDT extracts and HDTmix dramatically inhibits the $CCl_4$ intoxicated hepato/nephropathies with immuno-suppress changes on the spleen. They showed more dramatical protective effects on most of specific organs compared to that of Silymarin 5 mg/kg except for hepatoprotective effects in which, quite similar effects were detected. In addition, HDT extracts showed synergic effects with other types of herbal extracts because HDTmix showed more favorable protective effects on the all specific organs showing $CCl_4-related$ histopathological changes compared to HDT extracts.
Shin, Dong Yeok;Kang, Ho Sung;Bae, Song-Ja;Jung, Jee H.;Choi, Yung Hyun
Journal of Marine Bioscience and Biotechnology
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v.1
no.2
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pp.63-70
/
2006
Natural product compounds are the source of numerous therapeutic agents. The marine environment produces natural products from a variety of structural classes exhibiting activity against numerous disease targets including anticancer agents. Among these, pectenotoxin-2 (PTX-2), which was first identified as a cytotoxic entity in marine sponges, which depolymerizes actin filaments, was found to be highly effective and more potent to activate an intrinsic pathway of apoptosis in p53-deficient tumor cells compared to those with functional p53 both in vitro and in vivo. However, the anti-proliferative mechanism of the compound at non-cytotoxic concentrations has not yet been explored. In the current study, we sought to investigate anti-proliferation and apoptosis of PTX-2 against U937 human leukemic cells and its underlying molecular mechanism. Exposure of U937 cells to PTX-2 resulted in growth inhibition and induction of apoptosis in dose- and time-dependent manner as measured by MTT assay, fluorescent microscopy and flow cytometric analysis. The anti-proliferative effect of PTX-2 was associated with a marked increase in the expression of cyclin-dependent kinase p21 (WAF1/CIP1) mRNA which was tumor suppressor p53-independent. The increase in apoptosis was connected with a time-dependent down-regulation of anti-apoptotic Bcl-XL and inhibitor of apoptosis proteins (IAPs) family such as XIAP and cIAP-2. Though additional studies are needed, these findings suggested that PTX-2-induced inhibition of U937 cells was associated with the induction of apoptotic cell death and the results provided important new insights into the possible molecular mechanisms of the anti-cancer activity of PTX-2.
The use of stem cells in cell-based therapy has attracted extensive interest in the field of regenerative medicine, and it has been applied to numerous incurable diseases due to the inherent abilities of self-renewal and differentiation. However, there still exist some severe obstacles, such as requirement of cell expansion before the treatment, and low survival at the treated site. To overcome these disadvantages of stem cells, we used the carcinoembryonic antigen-related cell adhesion molecule 6 (CEACAM 6) gene, which functions to increase cell-cell interaction as well as anti-apoptosis. We first confirmed whether CEACAM 6 is expressed in various cell lines at the protein level (including in stem cells), followed by evaluating and selecting the optimal transfection conditions into stem cells. The CEACAM 6 gene was transfected into stem cells to prolong cell survival and preserve from damage by oxidative stress. After confirming the CEACAM 6 expression in transfected stem cells, the cell survival was assessed under oxidative condition by exposing to hydrogen peroxide (H2O2) to mimic the chronic environment-induced cellular damage. CEACAM 6 expressing stem cells show increased cell viability compared to the non-CEACAM 6 expressing cells. We propose that the application of the CEACAM 6 gene is a potential option, capable of expanding and enhancing the therapeutic effects of stem cells.
Kim, Saetbyul;Bok, Eunyeong;Lee, Sangyeob;Lee, Hyeon-Jeong;Choe, Yongho;Kim, Na-Hyun;Lee, Won-Jae;Rho, Gyu-Jin;Lee, Sung-Lim
Journal of Veterinary Science
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v.22
no.5
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pp.62.1-62.13
/
2021
Background: Canine mammary gland tumor (MGT) is the most common cancer in aged female dogs. Although it's important to identify reliable metastasis or prognostic factors by evaluating related to cell division, adhesion, and cancer stem cell-related transcription factor (TF) in metastasis-induced canine MGT, but there are limited studies. Objectives: We aimed to identify metastasis prognostic factors and cancer stem cell-TFs in canine MGTs. Methods: Age-matched female dogs diagnosed with MGT only were classified into metastatic and non-metastatic groups by histopathological staining of MGT tissues. The mRNA levels of cancer prognostic metastasis molecular factors (E-cadherin, ICAM-1, PRR14, VEGF, HPRT1, RPL4 and hnRNP H) and cancer stem cell-related TFs (Oct4, Sox2, and Nanog) were compared between metastatic and non-metastatic canine MGT tissues using qRT-PCR analysis. Results: The mRNA levels of ICAM-1, PRR14, VEGF, hnRNP H, Oct4, Sox2, and Nanog in metastatic MGT group were significantly higher than those in non-metastatic MGT group. However, mRNA level of RPL4 was significantly lower in metastatic MGT group. Loss of E-cadherin and HPRT1 was observed in the metastatic MGT group but it was not significant. Conclusions: Consistent expression patterns of all metastasis-related factors showing elevation in ICAM-1, PRR14, VEGF, hnRNP H, Oct4, Sox2, and Nanog, but decreases in RPL4 levels occurred in canine MGT tissues, which was associated with metastasis. Thus, these cancer prognostic metastasis factors and TFs of cancer stem cells, except for E-cadherin and HPRT1, can be used as reliable metastasis factors for canine MGT and therapeutic strategy.
On December 31, 2018, an incident occurred where a doctor was attacked and killed by a patient carrying a lethal weapon in the outpatients' clinic of the psychiatric department of a tertiary general hospital. The suspect was diagnosed with bipolar affective disorder (manic depressive disorder) and has been hospitalized and cared for in the psychiatric ward of this hospital. This incident illustrates the necessity of more active cures and therapeutic intervention for mental patients with intellectual developmental disorders who require treatment considering the fact that a radical outcome has been caused by such a patient. However, on the other hand, there is also a need for an approach and analysis from the perspective of crime prevention for all medical departments. The reason for this is that even a tertiary general hospital equipped with the largest human resources, medical devices, facilities, and so forth, is susceptible to violence. As for illegal actions perpetrated against health and medical service personnel in medical institutions, such as verbal abuse, assault, injury, etc. there have neither been understanding shown for the current extent of damage in detail, nor discussions of active institutional improvement related to the seriousness of the act. It can be said that violence in the field of medical treatment is a realm requiring serious discussion and appropriate remedial actions. This is because when such incidents take place, if a patient who is supposed to get treatment from the damaged health care provider is in an urgent situation or on the waiting list of serious cases, he or she could suffer serious damage caused by deprivation of treatment opportunity, or secondary damage might be caused to the patient and/or a guardian who can hardly have an opportunity to take action. Accordingly, in this review, we would like to help create the necessary conditions for both health and medical service personnel and patients/guardians, respectively, to provide and receive medical treatment in a more secure environment. Therefore, objective assessment of the institution and issues relating to this aforementioned incident and general cases of violence occurring in medical institutions, and by suggesting legal and institutional improvements and solutions.
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