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Protective Effect of Heme Oxygenase-1 on High Glucose-Induced Pancreatic β-Cell Injury
Lee, Eun-Mi,Lee, Young-Eun,Lee, Esder,Ryu, Gyeong Ryul,Ko, Seung-Hyun,Moon, Sung-Dae,Song, Ki-Ho,Ahn, Yu-Bae Korean Diabetes Association 2011 Diabetes and Metabolism Journal Vol.35 No.5
<P><B>Background</B></P><P>Glucose toxicity that is caused by chronic exposure to a high glucose concentration leads to islet dysfunction and induces apoptosis in pancreatic β-cells. Heme oxygenase-1 (HO-1) has been identified as an anti-apoptotic and cytoprotective gene. The purpose of this study is to investigate whether HO-1 up-regulation when using metalloprotophyrin (cobalt protoporphyrin, CoPP) could protect pancreatic β-cells from high glucose-induced apoptosis.</P><P><B>Methods</B></P><P>Reverse transcription-polymerase chain reaction was performed to analyze the CoPP-induced mRNA expression of HO-1. Cell viability of INS-1 cells cultured in the presence of CoPP was examined by acridine orange/propidium iodide staining. The generation of intracellular reactive oxygen species (ROS) was measured using flow cytometry. Glucose stimulated insulin secretion (GSIS) was determined following incubation with CoPP in different glucose concentrations.</P><P><B>Results</B></P><P>CoPP increased HO-1 mRNA expression in both a dose- and time-dependent manner. Overexpression of HO-1 inhibited caspase-3, and the number of dead cells in the presence of CoPP was significantly decreased when exposed to high glucose conditions (HG). CoPP also decreased the generation of intracellular ROS by 50% during 72 hours of culture with HG. However, decreased GSIS was not recovered even in the presence of CoPP.</P><P><B>Conclusion</B></P><P>Our data suggest that CoPP-induced HO-1 up-regulation results in protection from high glucose-induced apoptosis in INS-1 cells; however, glucose stimulated insulin secretion is not restored.</P>
초음파 영상 데이터를 활용한 내장기 추나요법 시술 부위 탐색 연구
이상진 ( Sang-jin Lee ),기성훈 ( Sung-hoon Ki ),고동균 ( Dong-kyun Koh ),이상훈 ( Sang-hun Lee ),임형호 ( Hyoung-ho Lim ),송윤경 ( Yun-kyung Song ) 한방재활의학과학회 2022 한방재활의학과학회지 Vol.32 No.2
Objectives This study was conducted to confirm anatomical information near the treatment areas of visceral chuna manual therapy and to secure stability and effectiveness during the treatment. Methods For 50 healthy adult men and women, a total of 13 ultrasound images were taken of the 7 treatment areas which are the representative treatment areas of visceral Chuna manual therapy. Results The treatment area of the bottom of the liver can be palpated around the right side ST19 and CV14. The treatment area of the gallbladder and the common bile duct can be palpated around the right side SP16 and ST20. The treatment area of the cardia and the pylorus can be palpated around the left side KI21, right side ST20, ST21, KI19, KI20, CV12, and CV13. The origin point of the mesentery root can be moved to the left and lower left from CV12 and can be palpated. The treatment area of the ileocecal valve and the cecum can be palpated around the right side SP14. The treatment area for the colic flexure can be palpated around the both side LR13. The treatment support point for the kidneys can be palpated around both side BL51. Conclusions It is thought that if the ultrasound image data from the meridians around the treatment site is used as an auxiliary, it will be more effective in terms of safety and effectiveness during the treatment of visceral Chuna manual therapy. (J Korean Med Rehabil 2022;32(2):139-154)
송기홍,김원호 동의공업대학 2000 論文集 Vol.26 No.1
In this paper, a statistical radio propagation prediction model of received power using the geographic information system is proposed, by making use of a combination and empirical methods. The validation of the proposed prediction model has been made with the measured data for various radio environment. Note that the use of the prediction model paves the way for estimating received signal level as a function of distance. Since the proposed prediction model included the effect of ground reflected waves and diffracted waves, the variability of signal strength caused by surrounding man-made structures can be predicted with accuracy.
과민성방광의 비수술적 치료 : 방광의 저장용적을 증가시키는 치료법 Therapy to Increase Bladder Storage Capacity
송윤섭,문기혁,박영호 순천향의학연구소 2004 Journal of Soonchunhyang Medical Science Vol.10 No.1
Overactive bladder including frequency, nocturia, urgency ate common and Its cause is decreased bladder storage capacity. Non-pharmacologic therapy to facilitate bladder storage capacity are behavioral, bladder overdistention or electrical stimulation. For behavioral therapy, patient education about lower urinary tract function, information about lifestyle changes or dietary modification, bladder training which includes instituting intervals of timed voiding and gradually increasing these intervals, pelvic floor physiotherapy with or without biofeedback are necessary. For physically or mentally challenged individuals, schedulled toileting or prompted voiding is necessary, too. Bladder overdistention, electrical stimulation or neuromodulation are also used for the treatment of overactive bladder.
뇌동맥류의 진단에 대한 전산화단층촬영 뇌혈관조영술과 고식적 뇌혈관조영술의 비교
송상현,윤수한,안영환,안영민,조기홍,조경기,김선용,서정호 대한신경외과학회 1996 Journal of Korean neurosurgical society Vol.25 No.10
Cerebral angiography has been essential for the diagnosis of the intracranial aneurysms but. is sometimes accompanied by serious complications. Resolution of CT angiography was up-graded greatly to represent the three-demensional structure of vesseles since helical CT had been introduced. We have compared 26 cases of CT angiography and 28 cases of conventional angiography in terms of specificity and sensitivity for the diagnosis detectable aneurysm diameter. configurational diagnosis and diagnostic confidency. All results showed no statistical difference between CT angiography and conventional angiography. These should suggest that CT angiography could be replaced with conventional angiography for the diagnosis of ruptured aneurysms and even of unruptured aneurysms. resulting in the introduction of first screening modality of unruptured aneurysms.
혈액투석중인 만성신부전 환자에서 골대사 지표로써의 Osteocalcin치
송치운,이진홍,안미애,윤환중,윤상임,성기양,이강현,송민호,이강욱,신영태,김영건,노흥규 충남대학교 의과대학 지역사회의학연구소 1993 충남의대잡지 Vol.20 No.2
Background : Serum osteocalcin is synthesized by osteoblast and has been shown to be sensitive indicator of bone turnover inpatients with various metabolic bone disease. In renal osteodystrophy, serum osteocalcin is elevated due to decreased renal clearance and elevated level of PTH. This study was done to evaluate the usefulness of serum osteocalcin as a marker of bone metabolism and the correlation with other biochemical markers of bone metabolism. Methods : We measured serum osteocalcin, calcium, phosphorus, ALP(alkaline phosphatase) and PTH(parathyroid hormone) in 37 patients with end stage renal disease on hemodialysis. Osteocalcin was determined by radioimmunoassay and PTH was determined by radioimmunometric assay. Results : 1) The mean level of serum osteocalcin in ESRD patients was 233.8± 218.2ng/ml which was significantly higher than that of controls(p<0.0001). 2) The mean level of serum PTH in ESRD patients was 40.5± 43.8pg/ml was significantly higher than that of controls(p<0.005). 3) There was a significant positive correlation between the level of serum PTH, ALP and the level of serum osteocalcin in ESRD patients. 4) By using multiple regression, PTH is most reliable factor that affect to elevated level of serum osteocalcin ( beta coefficient = 0.687, Sig T<0.05). Conclusion : Serum osteocalcin as a marker of bone metabolism in ESRD patients is more useful than other biochemical marker such as serum calcium, phosphorus, ALP and PTH is a most reliable factor that affect to elevated level of serum osteocalin.
ANAEROBIC FILTER를 사용한 고농도 유기물 폐수처리
송기호 순천향대학교 1990 논문집 Vol.13 No.2
Anaerobic filter was developed and laboratory-tested in an effort to overcome many of the problems associated with conventional anaerobic processes. The anaerobic filter is a "fixed-film" anaerobic process in which the stabilization of waste takes place at the surface of layer of biological solids attached to or held by the filter media. Anaerobic filter treatment provides all of the advantages offered by anaerobic treatment such as energy recovery, low sludge production rates, relatively low nutrient requirements, and remarkable energy efficiency. Anaerobic filter process has been shown to provide efficient treatment of high-strength organic wastes. The process has a tremendous capacity to handle high organic loading rates, several times higher than those experienced in conventional anaerobic and aerobic treatment processes. Therefore, anaerobic filter is very attractive for treating highstrength industrial wastes at their sources.