The Journal of Korean Society for School & Community Health Education
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v.14
no.3
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pp.67-76
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2013
Objectives: This study was intended to provide the base of developing countries' Health Partnership Strategy by investigating the Paraguay's awareness level of health and analyzing the actual state. Methods: The data was collected from 11 government employees, 20 hospital staffs, 26 local residents on Asunci$\acute{o} $n, Paraguay in February, 2012. The method of the study was the questionnaires consisting of 62 questions including 7 questions of general features, 3 questions of awareness on maternal health care, child health care, planned parenthood program, 52 questions of awareness on health. The questionnaires was translated into Spanish which is local language in Paraguay. Results: The results of this study are summarized as follows; 1) The most important awareness on maternal healthcare, child healthcare, planned parenthood program was providing child health care. 2) The most important awareness to prevent non-health behavior was sufficient nutrition. The most important awareness to reduce the rate of chronic disease was diabetes. The most important awareness to eradicate communicable disease was HIV/AIDS. 3) The most important awareness to provide healthcare service was vaccination. 4) The most important awareness on healthcare delivery system was policy. The most important awareness on health education was student's health education. 5) The most important awareness to strength healthcare capacity was developing domestic economy. Conclusion: The results of this study suggest that awareness levels on health are high against low health behavior status in Paraguay. But awareness on health can lead to health behavior by healthcare system. Therefore, it has to induce the healthcare network and system by injecting public health funds, infrastructure, human resources on prevention of disease and healthcare management.
Highly effective polymerase chain reaction (PCR) often brings about false positivity caused by contamination of the sample with target nucleic acids. To solve this problem, in situ PCR (ISPCR) has been developed and applied onto various tissue sections and suspension cultures. With combination of PCR and in situ hybridization, this method amplifies the nucleic acid targets in situ and detect the amplified products inside the cells over the background of various cell types. In order to amplify the nucleic acid targets inside the cells, permeabilisation of a sample is required for the entry of amplification reactants into a cell. Treatments of a sample for the purpose allow not only the entry of reactants into the cell but also the exit of amplification products out of the cell. As a means to reduce the leakage of the amplification products, two methods were applied to suspension cultures of HIV-infected Molt/LAV and U 1.1 cells, in which modified, tailed primers produced long linear amplificants whereas biotinylated dUTP instead of dTTP did bulky products.
AIDS is increasing by geometric progression in the world with more seriousness and HIV/AIDS is still spreading. Thus, the study enforced a self-administered survey with 526 dental hygiennics students to carry out an upright recognition and education on AIDS by grasping knowledge and attitude of dental hygienics students who will work at dental hospitals or clinics after graduating in AIDS. As the result, the study got the following conclusion. 1. 51.1% of the students got knowledge on AIDS and the majority out of them got its knowledge through school(35.2%) or mass media(10.8%). 2. The average score of dental hygienics students' knowledge in AIDS was 87.67: The first-grade students(86.00), the second-grade students(88.88) and the third-grade students(88.37) (p=0.000). 3. They had an accurate recognition about AIDS' causes, its infection ways and interceptive methods of its infection way in knowledge of AIDS(p=0.000). 4. In their attitudes for AIDS, the average score was $57.43{\pm}$: The first-grade students(56.19), the second-grade students(57.70) and the third-grade students(58.70)(p=0.001). 5. In their attitudes for AIDS, the students($4.09{\pm}0.82$ scores) responded that they would prepare for AIDS' infection of their families(p=0.004) while, on the other hand, the students($4.06{\pm}0.82$ scores) responded that they wanted to avoid PWA's dental treatment(p=0.001). Therefore, it is judged that vocational education as a specialized worker as well as AIDS education should be realized since it was appeared that they had not enough thought as a mature professional worker. 6. Dental hygienics students who would work at dental hospitals or clinics after graduating were in the environment infected in all diseases and so most of the students($4.23{\pm}0.74$) responded that AIDS education should be included in curriculum.
Background: The presence of gross deletions in the human immunodeficiency virus nef gene ($g{\Delta}nef$) is associated with long-term nonprogression of infected patients. Here, we investigated how quickly genetic defects in the nef gene are associated with Korean Red Ginseng (KRG) intakein 10 long-term slow progressors. Methods: This study was divided into three phases over a 20-yr period; baseline, KRG intake alone, and KRG plus highly active antiretroviral therapy (ART). nef gene amplicons were obtained using reverse transcription polymerase chain reaction (PCR) and nested PCR from 10 long-term slow progressors (n = 1,396), and nested PCR from 36 control patients (n = 198), and 28 ART patients (n = 157), and these were then sequenced. The proportion of $g{\Delta}nef$, premature stop codons, and not in-frame insertion or deletion of a nucleotide was compared between three phases, control, and ART patients. Results: The proportion of defective nef genes was significantly higher in on-KRG patients (15.6%) than in baseline (5.7%), control (5.6%), on-KRG plus ART phase (7.8%), and on-ART patients (6.6%; p < 0.01). Small in-frame deletions or insertions were significantly more frequent among patients treated with KRG alone compared with controls (p < 0.01). Significantly fewer instances of genetic defects were detected in samples taken during the KRG plus ART phase (7.8%; p < 0.01). The earliest defects detected were $g{\Delta}nef$ and small in-frame deletions after 7 mo and 67 mo of KRG intake, respectively. Conclusion: KRG treatment might induce genetic defects in the nef gene. This report provides new insight into the importance of genetic defects in the pathogenesis of AIDS.
A 20.9-kDa metalloprotease was isolated from dried fruiting bodies of the wild basidiomycete mushroom Lepista nuda. The N-terminal amino acid sequence of the protease was seen to be ATFVLTAATNTLFTA, thus displaying no similarity with the sequences of previously reported metalloproteases. The protease was purified using a procedure that entailed ion-exchange chromatography on CM-Cellulose, Q-Sepharose, and Mono S, and FPLC-gel filtration on Superdex 75. The protease functioned at an optimum pH of 7.0 and an optimum temperature of $50^{\circ}C$. It was also noted that the protease demonstrated a proteolytic activity of 1,756 U/mg toward casein. The $K_m$ of the purified protease toward casein was 6.36 mg/ml at a pH of 7.0 and with a temperature of $37^{\circ}C$, whereas the $V_{max}$ was 9.11 ${\mu}g\;ml^{-1}\;min^{-1}$. The activity of the protease was adversely affected by EDTA-2Na, suggesting that it is a metalloprotease. PMSF, EGTA, aprotinin, and leupeptin exerted no striking inhibitory effect. The activity of the protease was enhanced by $Fe^{2+}$, but was curtailed by $Cd^{2+}$, $Cu^{2+}$, $Hg^{2+}$, $Pb^{2+}$, $Zn^{2+}$, and $Fe^{2+}$ ions. The protease also exhibited inhibitory activity against HIV-1 reverse transcriptase with an $IC_{50}$ value of 4.00 ${\mu}M$. The $IC_{50}$ values toward hepatoma Hep G2 and leukemia L1210 cells in vitro were 4.99 ${\mu}M$ and 3.67 ${\mu}M$, respectively.
The purpose of this study was to provide the basic data for developing a program for effective health education about AIDS (Acquired Immunodeficiency Syndrome) by investigating the knowledge and attitudes of middle and high school students about AIDS. The subjects were 476 middle school students and 658 high school students from Seoul and Kang Won province. The data were collected from November 19 to December 18. 1996. using a 56-item questionnaire. and analyzed by SAS program for t-test. x2-test. and pearson correlation coefficients. The results were as follows : 1. High school students had more knowledge than middle school students about AIDS. 2. Male. students from Seoul. and students who had drinking experience and smoking experience among middle school students. and male. students from Seoul. and students of non-coeducation among high school students were more knowledgeable about AIDS. 3. Misconceptions about the transmission of AIDS through non-intimate contact were especially common among middle school students. And a high proportion of middle and high school students knew very little about the symptoms of AIDS. 4. High school students had more positive attitudes toward AIDS than middle school students. 5. Students from Seoul and students who had smoking experience among middle school students. and students from Seoul and non-coeducation and students who had substance use experience among high school students were more positive attitudes about AIDS. 6. Most of the middle and high school students agreed that there is a need for AIDS education. 7. Middle and high school students reported that had learned about AIDS mostly from TV. Since students in the middle-school age group are especially at risk for developing AIDSrelated behaviors. this study findings suggest that it is crucial to develop school-based AIDS education programs that help students acquire the knowledge and attitudes to adopt and maintain behaviors that reduce the risk of HIV (Human Immunodeficiency Virus) infection and other related health problems.
Choi, Hye;Park, Key Sun;Bae, Seon Joo;Song, Su Jeong;Kim, Kyoon Eon;Park, Jong-Sang;Choi, Joon Sig
Bulletin of the Korean Chemical Society
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v.33
no.11
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pp.3676-3680
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2012
An Epstein-Barr virus (EBV)-based plasmid contains the EBV nuclear antigen 1 (EBNA1) gene and EBV replication origin (oriP) sequence. Since EBNA1 (the only EBV-encoded protein) is combined with oriP, it is replicated simultaneously with chromosomal DNA in human, primate, and canine cells and is faithfully segregated at a stable copy number upon cell division. Consequently, it can be used to stably express gene inserts over a prolonged time in target cells. We have previously shown that the polyamidoamine (PAMAM) dendrimer can be surface-modified with L-arginine. Arginine is present at a high frequency in the transactivator of transcription (Tat) sequences of human immunodeficiency virus (HIV). It presents high membrane permeability and permits effective transfer of DNA inside the cells. In this study, we constructed two kinds of recombinant DNA by inserting the luciferase gene and enhanced green fluorescence protein (eGFP) gene as reporter genes into the pCEP4 plasmid vector. We measured dynamic light scattering (DLS) and zeta potential after preparing PAMAM-based cationic polymer/EBV-based plasmid complexes. We performed transfection of HEK 293 cell lines with the polyplexes, and monitored luciferase activity and green fluorescence protein (GFP) expression. Our results show that PAMAM-based cationic polymer/EBV plasmid complexes provide enhanced and sustained gene expression.
Journal of the Korean Society of Food Science and Nutrition
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v.35
no.10
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pp.1329-1335
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2006
LP-BM5 murine leukemia retrovirus induces the excessive oxidative stress and immune dysfunction leading to B cell leukemia and murine AIDS with cytokine dysfunction. In the present study, the immune restoratory effect of antioxidant hormone dedydroepiandrosterone sulfate (DHEAS) was investigated in the primary splenocytes from LP-BM5 retrovirus-infected C57BL/6 mice. DHEAS significantly increased T and B cell response to mitogen and normalized the unbalanced production of Th1/Th2 type cytokines. In particular, both protein and mRNA expression of IL-4, IL-6, and $TNF-\alpha$ were down-regulated by DHEAS treatment whereas IL-2 and $IFN-\gamma$ level were increased. This result suggests that DHEAS directly or indirectly regulates the gene expression of Th1/Th2 type cytokines in transcription level. In addition, DHEAS treatment decreased the hepatic lipid peroxidation and preserved vitamin E level in liver cells. These results suggested that DHEAS could effectively prevent immune dysfunction by regulating cytokine secretion and preventing the oxidative stress in murine AIDS.
It was demonstrated that Transactivating transcriptional activator(TAT) protein from HIV-1 shown to enter cells when added to the surrounding media. TAT peptide chemically attached to various proteins was able to deliver these proteins to various cell and even in tissues in mice with high levels in heart and spleen. In this study, the tripeptide GKH(Glycine-Lysine-Histidine) derived from Parathyroid hormone (PTH), which was known as lipolytic peptide, is attached to 9-poly Lysine(TAT) to be used as a cosmetic ingredient for slimming products. When Glycerol release, expressed as extracellular glycerol concentration, is lipolysis index, TAT-GKH at $10^{-5}$mo1/L induces approximately 41.5% maximal lipolytic effects in epididymal adipocytes isolated from rats, compared with basal lipolysis. Epididymal adipose tissues of male rats is assessed ex vivo by microdialysis. Probes are perfused with Ringer solution in which increasing concentrations of TAT-GKH. The perfusion of TAT-GKH induces lipolytic effect. Penetration study showed that TAT-GKH efficiently elevates 36 times higher penetration into the excised hairless mice skin than GKH. in vivo study showed that TAT-GKH had a better effect upon the relative volume of eye bag after 28 days of application on twenty(+2) healthy female volunteers. It was identified that TAT-GKH increases penetration enhancement and lipolytic effects in both in vitro, ex vivo and in vivo.
Background : Over the last thirty years, majority of researches on clinical effectiveness of acupuncture have been explanatory (or experimental) randomized controlled trial. The benefits of acupuncture in clinical trials are still controversial and most studies concluded that further control studies were required. Standardized combinations of acupuncture points for all the experimental subjects in various past studies have been criticized because such treatments do not reflect current routine clinical treatment. Objective : This paper aims to review pragmatic clinical trials on the effect of acupuncture treatment and to develop the ideal clinical research methodology of acupuncture study. Method : Clinical studies of acupuncture relevant with pragmatic or individualized trials were searched mainly in Pubmed and Science direct databases. All articles were fully reviewed by researchers, and data were evaluated by usage of a standardized form. Results & Suggestion : Pragmatic acupuncture researches were tried for various symptoms (eg. low back pain, hypertension, depression during pregnancy, sleep quality in HIV disease, chronic poststroke leg spasticity, headache, etc). Individualized acupuncture treatments based on oriental disease pattern diagnosis reflexes practical treatments which is more effective than unified and fixed acupuncture treatments without any theoretical basis of oriental medical philosophy. Conclusion : To overcome the controversies and limitations of past explanatory acupuncture trials, more individualized and tailored acupuncture trials with the theoretical basis of oriental medical diagnosis is highly recommended. Also clear definition and categorization of pattern identification should be established for further active clinical researches and applications of acupuncture.
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