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Na, Chang-Su,Kim, Wang-In,Jang, Ho-Sun,Youn, Dae-Hwan,Moon, Young-Min,Jeong, Sung-Ho,Cheon, Min-Woo The Korean Institute of Electrical and Electronic 2015 Transactions on Electrical and Electronic Material Vol.16 No.2
Low level laser therapy (LLLT) has facilitated an improvement in acupuncture treatment. In this study, we stimulated Shaochong (HT9), Dadun (LR1), Shaohai (HT3), and Yingu (KI10) acupoints with pulsed laser diodes 532 nm [green laser] and 658 nm [red laser] in rats with induced middle cerebral artery occlusion(MCAO). The animals were divided into 6 groups: intact control; MCAO control without LLLT; LLLT with red laser at HT9·LR1 and HT3·KI10 (RR); LLLT with green laser at HT9·LR1 and HT3·KI10 (GG); LLLT with green laser at HT9·LR1 and red laser at HT3·KI10 (GR); and LLLT with red laser at HT9·LR1 and green laser at HT3·KI10 (RG). We evaluated the immunohistochemical changes in the hippocampal CA1 region, and complete blood count changes. Compared to the MCAO control group, the RG group showed a significant decrease in Bax and cytochrome c levels in the hippocampus, and a significant increase in hemoglobin level, hematocrit, total white blood cell, neutrophil, lymphocyte, monocyte, and erythrocyte counts.
Woo, Jong-Min,Park, So Jung,Kang, Ho Il,Kim, Byoung Guk,Shim, Sun Bo,Jee, Seung Wan,Lee, Su Hae,Sin, Ji Soon,Bae, Chang Joon,Jang, Mee Kyung,Cho, Chunghee,Hwang, Dae Youn,Kim, Chuel Kyu D.A. Spandidos 2010 INTERNATIONAL JOURNAL OF MOLECULAR MEDICINE Vol.25 No.5
<P>Tau is a neuronal phosphoprotein responsible for the formation of the neurofibrillary tangles in Alzheimer's disease. To characterize the changes in global gene expression in the brain of transgenic mice that overexpress human Tau23 protein in response to the increase of Tau23 phosphorylation, total RNA extracted from the hippocampus of 12-month-old transgenic and wild-type mice was converted to cDNA, labeled with biotin and hybridized to oligonucleotide microarrays. The microarray results were confirmed by real-time RT-PCR and Western blotting method. It was determined that 43 genes were up-regulated and 8 genes were down-regulated by Tau23 in transgenic mice compared to controls, based on the arbitrary difference in the 2-fold change. Among the up-regulated transcripts, those encoding for transporter and oxidoreductase were dramatically over-represented, followed by those related to regulatory molecule, cytoskeletal protein, signaling molecule, and extracellular matrix protein. Genes encoding for transcription factor, regulatory molecule, miscellaneous function, and chaperone were significantly reduced in the down-regulated group. The major genes in the up-regulated categories included Ecrg4, Folr1, Defb11, Aqp1 and Soctdc1. The major genes in the down-regulated categories were Ncor1, Gpm6a, and Hspd1. These results indicate that the microarray analysis identifies several gene functional groups and individual genes that respond to a sustained increase in Tau23 phosphorylation levels in the brain of transgenic mice. In addition, the results suggest the microarray test is a useful tool for increased understanding of the role of Tau23 protein in regulating neurodegenerative disorders.</P>
Lipids Induce Release of Tumor-Promoting Exosomes from Hepatocellular Carcinoma Cells
( Eun Ju Cho ),( Hyo Yeong Lee ),( Joon Yeul Nam ),( Young Chang ),( Hyeki Cho ),( Young Youn Cho ),( Jeong-hoon Lee ),( Su Jong Yu ),( Yoon Jun Kim ),( Jung-hwan Yoon ) 대한간학회 2017 춘·추계 학술대회 (KASL) Vol.2017 No.1
Aims: Hypoxia enhances lipid droplets accumulation by HIF-dependent mechanism, leading to intra-tumoral fatty metamorphosis which is one of the characteristics of early-stage hepatocellular carcinoma (HCC). We investigated whether lipids and lipids-induced exosomes released from HCC cells can induce a tumor-promoting phenotype. Methods: Human HCC cell lines (Huh-7, SNU-761, and SNU-3058) were incubated with oleic acid (OA) or control vehicle. The released exosomes were isolated, quantified, and applied to HCC cells. Results: Incubation of Huh-7 and SNU-761 cells with OA increased proliferation and migration of cells in a fatty-acid binding protein 3 (FABP-3) dependent manner, whereas SNU-3058 cells did not respond to OA. Furthermore, OA upregulated FABP-3 mRNA expression in Huh-7 and SNU-761 cells, whereas its expression in SNU-3058 cells did not change. OA enhanced release of exosomes from Huh-7 and SNU-761 cells, and exosomes collected form these cells upregulated proliferation and invasion of cells. However, this was not observed in SNU-3058 cells. Exosomes released from OA-treated cells were reduced by the inhibition of rho-associated, coiled-coil-containing protein kinase 1 (ROCK1) or FABP-3. Conclusions: These findings suggest that lipids induce release of exo-somes containing unique cargoes from HCC cells in a FABP-3 dependent manner, which may induce the progression of HCC.
Min Sun Kim,Jun Seo Goo,Ji Eun Kim,So Hee Nam,Sun Il Choi,Hye Ryun Lee,In Sik Hwang,Sun Bo Shim,Seung Wan Jee,Su Hae Lee,Chang Joon Bae,Jung Sik Cho,Jun Yong Cho,Dae Youn Hwang 한국실험동물학회 2011 Laboratory Animal Research Vol.27 No.1
Exercise training is highly correlated with the reduced glucose-stimulated insulin secretion (GSIS), although it enhanced insulin sensitivity, glucose uptake and glucose transporter expression to reduce severity of diabetic symptoms. This study investigated the impact of short-term swimming exercise on insulin regulation in the Goto-Kakizaki (GK) rat as a non-obese model of non-insulin-dependent diabetes mellitus. Wistar (W/S) and GK rats were trained 2 hours daily with the swimming exercise for 4 weeks, and then the changes in the metabolism of insulin and glucose were assessed. Body weight was markedly decreased in the exercised GK rats compare to their non-exercised counterpart, while W/S rats did not show any exercise-related changes. Glucose concentration was not changed by exercise, although impaired glucose tolerance was improved in GK rats 120 min after glucose injection. However, insulin concentration was decreased by swimming exercise as in the decrease of GSIS after running exercise. To identify the other cause for exercise-induced insulin down-regulation, the changes in the levels of key factors involved in insulin production (C-peptide) and clearance (insulin-degrading enzyme; IDE) were measured in W/S and GK rats. The C-peptide level was maintained while IDE expression increased markedly. Therefore, these results showed that insulin down-regulation induced by short-term swimming exercise likely attributes to enhanced insulin clearance via IDE over-expression than by altered insulin production.
Su Youn Nam,Byung Chang Kim,Kum Hei Ryu,Bum Joon Park 대한소화기 기능성질환∙운동학회 2010 Journal of Neurogastroenterology and Motility (JNM Vol.16 No.1
Introduction The prevalence of irritable bowel syndrome (IBS) after excluding organic disease has not been reported in Korea. Methods Of 5,605 participants in a health screening program, inclusion criteria were persons who underwent colonoscopy and completed questionnaires. Exclusion criteria were persons diagnosed with colon cancer, inflammatory bowel disease, previous colectomy, and abnormal results of thyroid function tests. IBS was defined by Rome III criteria. Physical and psychological stress was evaluated with visual analogue scales, ranging from 0 to 10. Risk factors for IBS were estimated with odds ratios (OR) and 95% confidence intervals (CI) using logistic regression analysis. Results The prevalence of IBS was 8.2% (5,605) in the total population and 9.1% (393/4,296) in the final study sample. IBS had a positive association with female sex (adjusted OR, 1.33; 95% CI, 1.00-1.79; p=0.05) and current smoking (adjusted OR, 1.31; 95% CI, 1.00-1.71; p=0.05). The prevalence of IBS increased with increased psychological stress (adjusted p for trend = 0.005) and decreased with increasing age (adjusted p for trend <0.001), with adjusted OR of 0.95 (95% CI, 0.68-1.33) for age of 40.0 to 49.9 years; 0.79 (95% CI, 0.54-1.15) for age of 50.0 to 59.9 years; and 0.51 (95% CI, 0.30-0.86) for age of 60 years or more, compared with age less than 40 years. Drinking status, body mass index, hypertension, diabetes, and use of sedatives had no association with IBS. Conclusions The prevalence of IBS increased with decreasing age and increasing psychological stress, and was positively associated with female sex and current smoking.
( Youn Ju Na ),( Ki Nam Shim ),( Tae Hun Kim ),( Sung Ae Jung ),( Kwon Yoo ),( Il Hwan Moon ),( Kyu Won Chung ),( Min Jung Kang ),( Ji Min Jung ),( Chang Yun Ha ),( Hae Sun Jung ),( Su Jung Baik ),( H 대한소화기학회 2007 SIDDS Vol.9 No.-
Background/Aims: The most common pancreatic cancer is adenocarcinoma. Primary adenosquamous cell carcinoma of the pancreas is very rare and aggressive. We reported a case of adenosqumous cell carcinoma of pancreas. Results: A 46-year-old man presented with a 3-month history of dyspepsia and weight loss of 7 kg. He had no history of disease. On admission, the pulse rate was 70/min, the respiration rate was 20/minutes, blood pressure was 130/80 mmHg. There was no jaundice. Physical examinations showed direct tenderness on the right upper quadrant area on the abdomen. But rebound tenderness and Murphy`s sign was abscent. There were slightly elevated 170 U/L of amylase, elevated 338 U/L of lipase. But among tumor makers, especially CA 19-9 was elevated to 566.7 U/mL. The other lab test was normal. Gastroduodenoscopy showed hard ulceroinfiltrative mass with yellowish exudates and easy touch bleeding in second portion of duodenum. At that we considered it as primary duodenal cancer. Biopsy of duodenum showed adenosquamous cell carcinoma. Abdominal computed tomography showed 7.1 x 6.3 cm sized heterogeneous enhancing mass in pancreatic head portion. Main pancreatic duct was dilatation due to mass. Pancreatic mass was invaded into duodenum wall, gastric antrum and gastroduodenal artery encasement. Fine needle biopsy cytology of the pancreatic mass revealed adenosquamous cell carcinoma with anaplastic type. We concluded that an adenosquamous cell carcinoma of pancreas was invaded into duodenal mucosa with ulceration. Conclusions: We report a rare case with primary pancreatic adenosquamous cell carcinoma with duodenal invasion.
Choi, Youn Seon,Kim, Su Hyun,Kim, Jun Suk,Lee, Juneyoung,Kang, Jin Hyoung,Kim, Sam Yong,Kim, Si Young,Kim, Chul Soo,Song, Hong Suk,Lim, Ho Yeong,Yim, Chang Yeol,Chung, Ik Joo,Cho, Goon Jae,Lee, Myung Elsevier 2006 Journal of pain and symptom management Vol.31 No.6
<P><B>Abstract</B></P><P>Appropriate pain assessment is very important for managing cancer pain. This study was designed to evaluate the utility of the Korean Cancer Pain Assessment Tool (KCPAT) by assessing changes in the management of cancer pain. The changes in pain intensity, the pattern of drug prescriptions, and the patients' satisfaction with pain control were analyzed after using the KCPAT. The results indicated that pain medicine prescriptions were changed in 194 (51.5%) cases after using the KCPAT, and 69.5% of these changes were affected by the KCPAT. After using the KCPAT, pain intensity as assessed by the Visual Analogue Scale (VAS, 0–10cm) decreased (4.31±2.35 vs. 3.60±2.45, <I>P</I><0.0001), and the presence of associated symptoms and psychosocial items was significantly reduced. The patients' satisfaction with pain control was improved. Forty-four physicians (89.8%) thought that the KCPAT was useful. The KCPAT improved patients' satisfaction with pain control and was a useful tool for evaluating and managing cancer pain.</P>