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( Hyunjoo Bae ),( Do Hyun Na ),( Ji-yeun Chang ),( Ki Hyun Park ),( Ji Won Min ),( Eun Jeong Ko ),( Hyeyoung Lee ),( Chul Woo Yang ),( Byung Ha Chung ),( Eun-jee Oh ) 대한내과학회 2021 The Korean Journal of Internal Medicine Vol.36 No.1
Background/Aims: To investigate if BK virus (BKV)-specific T cell immunity measured by an interferon-γ enzyme-linked immunospot (ELISPOT) assay can predict the outcome of BK virus infection in kidney transplant recipients (KTRs). Methods: We included 68 KTRs with different viremia status (no viremia [n = 17], BK viremia [n = 27], and cleared viremia [n = 24]) and 44 healthy controls (HCs). The BK viremia group was divided into controller (< 3 months) and noncontroller ( > 3 months) according to sustained duration of BKV infection. We compared BKV-ELISPOT results against five BKV peptides (large tumor antigen [LT], St, VP1-3). Results: BKV-ELISPOT results were higher in three KTRs groups with different BKV infection status than the HCs group (p < 0.05). In KTR groups, they were higher in cleared viremia group than no viremia or BK viremia group. Within the BK viremia group, controller group had higher LT-ELISPOT results compared to noncontroller group (p = 0.032). Also, KTRs without BK virus-associated nephropathy (BKVN) had higher LT, St, VP1, and VP2-ELISPOT results than those with BKVN (p < 0.05). Conclusions: BKV-ELISPOT assay may be effective in predicting clinical outcomes of BKV infection in terms of clearance of BK virus and development of BKVN.
HCV, Acute, LT : Epidemiologic Study for the Risk Factors of HCV Transmission
( Hee Bok Chae ),( Byung Seok Lee ),( An Na Kim ),( Tae Hee Lee ),( Soon Young Ko ),( Hong Soo Kim ),( Il Han Song ),( Jung Il Lee ),( Jeong Heo ),( Ki Tae Yoon ),( Oh Sang Kwon ) 대한간학회 2013 춘·추계 학술대회 (KASL) Vol.2013 No.1
Background: In Korea, 1-2% of population is infected, and 15-20% of them have chronic liver diseases from HCV infection. On an annual basis, 3-4 million people are infected through blood transfusion, reckless drug abuse sexual contact, and exposure during childbirth. We want to know what risk factors contribute significantly to HCV infection in Korea. Methods: We surveyed 149 HCV-infected patients and 146 healthy controls (overall group) with a questionnaire to find out the risk factors related to HCV transmission. Results: The results were as follows. The statistically significant factors were ex-drinker, current smoking, history of acute hepatitis, having a HCV-positive family member, history of blood transfusion, acupuncture, moxa cautery, tatooing, sharing a razor, history of IV drug use, history of inhaled hallucinogen, more than one sexual partner, and history of venereal disease. We also performed a subgroup analysis according to their place of residence, inland group and coastal region group. The coastal region group was composed of 40 HCV-infected patients and 40 healthy controls. The statistically significant factors were ex-drinker, history of moxa cautery, tatooing, history of IV drug use, and history of inhaled hallucinogen. The inland group was composed of 106 HCV infected patients and 106 healthy controls. The statistically significant factors of inland group were similar to those of overall group. We found significant factors with multivariate analysis were revealed as follows, IV drug use (OR 14.73), history of acute hepatitis (OR 12.55), history of alcohol drinking (OR 7.46), tatooing (OR 3.64), moxa cautery (OR 3.64). Conclusions: The most important risk factor was IV drug use. The proportion of IV drug use patients in coastal region was two times as that of inland.(25% vs. 11.3%) Eighty seven percent of IV drug use patients experienced sharing of syringe with other people. Needle exchange program is recommended. Also, anti-HCV antibody test should be included in the test list of national health screening program, for people at age 40.
공복혈당수치와 운동유발전위의 상관관계에 대한 후향적 분석 : 중추운동신경과 말초운동신경의 비교
나병조,박성욱,정우상,문상관,박정미,고창남,조기호,김영석,배형섭,홍진우,Na, Byung-Jo,Park, Seong-Uk,Jung, Woo-Sang,Moon, Sang-Kwan,Park, Jung-Mi,Ko, Chang-Nam,Cho, Ki-Ho,Kim, Young-Suk,Bae, Hyung-Sup,Hong, Jin-Woo 대한한방내과학회 2007 大韓韓方內科學會誌 Vol.28 No.3
Objectives : Peripheral neurodegeneration occurs in diabetes mellitus (DM), both sensory and motor nerve. but we don't know exactly if DM affects central nerve pathway for all studies. Electrophysiologic study is one of the most important diagnostic tools for diabetic neuropathy. Electroneurography and electromyography are usually used. but evoked potentials (EP) is more sensitive to small nerve fiber damages and useful for central nerve evaluation in addition to peripheral nerves. Most diabetic neuropathy studies by EP have been performed with somatosensory evoked potentials (SSEP). In contrast, the objective of this study is to investigate if DM targets central motor neurons by assessing the relation between fasting blood sugar (FBS) and motor evoked potentials (MEP) latency. Methods : We inspected the medical records of 34 patients who had MEP tests during admitting days. The latency from cervical portion to abductor pollicis brevis was used as peripheral motor conduction time (PMCT). and the latency from vertex to cervical portion was used as central motor conduction time (CMCT). Then, they were correlated to FBS using correlation analysis. Results : There was a significant linear relation between FBS and PMCT (Pearson's correlation coefficient r=0.487, p<0.01), but a poor linear relation between FBS and CMCT (Pearson's correlation coefficient r=-0.l97. p>0.05). Conclusions : This study suggests that prolonged latencies of MEP in DM may be due to peripheral neuropathy rather than dysfunction of central motor pathway. therefore the clinical use of MEP to diabetic neuropathy has to be divided segmentally.
죽력(竹瀝)이 흰쥐의 중대뇌동맥(中大腦動脈) 및 전뇌허혈(全腦虛血) 폐쇄 허혈모델에 미치는 영향
김재홍,홍진우,나병조,박성욱,정우상,문상관,박정미,고창남,조기호,김영석,배형섭,Kim, Jae-Hong,Hong, Jin-Woo,Na, Byung-Jo,Park, Seong-Uk,Jung, Woo-Sang,Moon, Sang-Kwan,Park, Jung-Mi,Ko, Cham-Nam,Cho, Ki-Ho,Kim, Young-Suk,Bae, Hyung-Sup 대한한방내과학회 2008 大韓韓方內科學會誌 Vol.29 No.3
Objective : The purpose of this study was to investigate the neuroprotective effect of Jukryuk on 4-vessel occlusion(4-VO) and middle cerebral artery (MCA) ischemia. Method : After administration of Jukryuk, we compared the Jukryuk-treated group, the control, and the sham groups, in view of several points as follows 1) We evaluated the damage characterized by coagulative cell change of pyramidal neurons and pronounced gliosis in each group 2) We counted the number of normal pyramidal shapes after ischemia in each group 3) Immunohistochemistry (cyclooxygenase-2) 4) In focal ischemic injury model, we measured the volume of ischemic area Results : In this experiment, the effect of Jukryuk was determined to be protecting neuron cell shape, reducing the number of neuron cells damaged by ischemia and the volume of the ischemic area. In immunohistochemistry, Jukryuk reduced cyclooxygenase-2 expression Conclusions : According to this study, Jukryuk can protect neuron cells from injury by cerebrovascular ischemia.
Sung, Ho Joong,Kim, Yoon Suk,Kim, In Sik,Jang, Sung-Wuk,Kim, Yoon Rim,Na, Doe Sun,Han, Ki Hoon,Hwang, Byung Gil,Park, Dong Suk,Ko, Jesang WHO COLLABORATING CENTRE FOR TRADITIONAL MEDICINE 2004 東西醫學硏究所 論文集 Vol.2004 No.-
Acupuncture has long been used for pain relief. Although recent studies have shown that acupuncture can reduce neuropathic pain, the mechanism of this effect is not clear and little information is available regarding proteins that are involved in the development of neuropathic pain and the effects of acupuncture. We have developed an animal model for neuropathic pain using young adult male Sprague-Dawley rats. The model was confirmed by behavioral tests. Electroacupuncture (EA) treatment was applied to Zusanli (ST36) of neuropathic pain model to examine the analgesic effect of EA. The protein expression profile of the hypothalamus in both neuropathic pain and EA treatment models was analyzed using two-dimensional electrophoresis-based proteomics. We detected thirty-six proteins that were differentially expressed in the neuropathic pain model compared with normal rats and that restored to normal expression levels after EA treatment. Twenty-one of these proteins were identified in the MSFiT database and are involved in a number of biological processes, including inflammation, enzyme metabolism and signal transduction. Potential applications of our results include the identification and characterization of signaling pathways involved in EA treatment and further exploration of the role of selected identified proteins in the animal model.