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이휘종,최원영,김상열,서종호,황정동,오성환,정진교,김주일,구현나,김길하 忠北大學校 農業科學硏究所 2015 農業科學硏究 Vol.31 No.2
Occurrence of three troublesome lepidopterous pests, Ostrinia furnacalis, Helicoverpa armigera and Pseudaletia separata in corn cultivation of the reclaimed land were recorded using sex pheromone traps from 2012 to 2014. In case of O. furnacalis adult, two generations were observed in a year and its occurrence pattern was very regular. The 1st generation showed the highest occurrence in late May-early June and the 2nd generation was in late July-early August. On the other hand, H. armigera occurred at least three times a year but its occurrence was somewhat irregular. H. armigera adult showed the highest occurrence in mid May, late June, early August, respectively in 2012 but their occurrence patterns of the 2nd and 3rd generations were varied in 2013 and 2014. In case of P. separata, a few number of adult were captured during the survey period, indicating few number of P. separata migrated from China. Based on the control effect of O. furnacalis by Etofenprox and Carbofuranin 2012, June 26 treatment showed the highest control rate with 96.8% for Etofenprox, 85.8% for Carbofuran, respectively. Late treatment at June 19 and June 26 significantly decreased the control rate of O. furnacalis and June 26 treatment showed the lowest control rate of 1.9% for Etofenprox. 18.1% for Carbofuran, respectively.
Kim, Seong-Yeon,Na, Yeon-Joo,Kim, Dong-Ju,Kim, Yeong-Seok,Kim, Hyeong-Min,Hwang, Sung-Ha,Kwak, Ji-Yeon,Kuh, Hyo-Jeong,Lee, Jae-Hwi The Korean Society of Pharmacology 2012 The Korean Journal of Physiology & Pharmacology Vol.16 No.3
The objective of the present study was to establish the method of measurement of hydrogen peroxide and to estimate the anti-oxidative effect of genistein in the skin. UVB induced skin oxidation and anti-oxidative effect of genistein formulations were evaluated by determining levels of hydrogen peroxide. The mechanism involved in the determination of hydrogen peroxide is based on a color reaction between ferric ion ($Fe^{3+}$) and xylenol orange, often called FOX assay and subsequent monitoring of absorbance values of the reactant at 540 nm. The reaction was to some extent pH-dependent and detection sensitivity was greatest at pH 1.75. Genistein liposomal gel demonstrated better anti-oxidative effect with regard to lowering hydrogen peroxide levels elevated by UVB irradiation compared to genistein-suspended gel. A linear relationship has been observed between anti-oxidative effect of genistein and drug deposition in the skin tissue. Genistein liposomal gel resulting in the localization of the drug in the deeper skin led to improved anti-oxidative effect compared to genistein gel. The suggested method for evaluation of oxidation of the skin can be used as a tool to screen effective anti-oxidative agents and their delivery systems acting on the skin.
한국인에서 만성기관지염의 급성악화를 치료하기 위한 LB20304(Gemifloxacin) 160mg 또는 320mg 1일 1회 7일간 투여의 유효성과 안전성에 대한 연구
김영환 ( Kim Yeong Hwan ),심영수 ( Sim Yeong Su ),김원동 ( Kim Won Dong ),심태선 ( Sim Tae Seon ),강홍모 ( Kang Hong Mo ),최병휘 ( Choe Byeong Hwi ),김재열 ( Kim Jae Yeol ),권오정 ( Kwon O Jeong ),김호중 ( Kim Ho Jung ),김주옥 ( K 대한결핵 및 호흡기학회 2003 Tuberculosis and Respiratory Diseases Vol.55 No.1
김정희 ( Kim Jeong Hui ),김준식 ( Kim Jun Sig ),어완규 ( Eo Wan Gyu ),김영일 ( Kim Yeong Il ),김선희 ( Kim Seon Hui ),김시영 ( Kim Si Yeong ),윤휘중 ( Yun Hwi Jung ),조경삼 ( Jo Gyeong Sam ) 대한내과학회 1993 대한내과학회지 Vol.44 No.4
Background: Detection of the immunoglobulin (Ig) and the T cell receptor (TcR) gene rearrangements are useful markers for determining lineage and clonality in lymphoid malignancy. Antigen receptor gene rearrangements have also found in some patients with acute myeloid leukemia (AML). The significance of these rearrangements remains unclear. Methods: Ig heavy chain (IgH) gene and TcR beta chain(TcRβ) gene rearrangements were examined in leukemic cells from 25 patients with AML by Southern blot analysis. DNA was extracted from bone marrow aspirates. Three different enzymes (EcoRⅠ, BamHⅠ, HindⅢ) and two different probes(J_(H), Cβ) were used. Results: 1) TcRβ gene rearrangements were demonstrated in 2 of 25 cases(8%). But IgH gene rearrangement was not detected at all. 2) Antigen receptor gene rearrangement pattern of three cases with B cell antigen, CD19(+) and two cases with T cell antigen, CD2(+) were germline. Immunophenotyping was not performed in two cases with TcRβ gene rearrangement. 3) Of the patients with TcRβ gene rearrangement, one is alive in complete remission state after chemotherapy, and the other patient died before therapy. Conclusion: TcRβ gene rearrangement was demonstrated in some patients with AML. Antigen receptor gene rearrangment did not correlate with specific immunophenotype and prognosis. The clinical implication of antigen receptor gene rearrangement study need further study.
제3차 대한간학회 춘계학술대회 초록집 : 간경변증 환자에서 초발 자발성 세균성 복막염의 빈도 및 예측인자
김대현 ( Kim Dae Hyeon ),이영두 ( Lee Yeong Du ),조창민 ( Jo Chang Min ),금민수 ( Geum Min Su ),박언휘 ( Park Eon Hwi ),권영오 ( Kwon Yeong O ),김성국 ( Kim Seong Gug ),최용환 ( Choe Yong Han ),정준모 ( Jeong Jun Mo ) 대한간학회 1997 Clinical and Molecular Hepatology(대한간학회지) Vol.3 No.2(S)
매실(Prunus mume) 메탄올 분획물의 처리에 따른 인체 전립선암세포 LNCaP의 apoptosis 유도 효과
김휘곤(Hwi-gon Kim),김정호(Jeong-Ho Kim),허지안(Ji-An Heo),원영선(Yeong-Seon Won),서권일(Kwon-Il Seo) 한국생명과학회 2021 생명과학회지 Vol.31 No.3
본 연구에서는 매실 메탄올 추출물(maesil methanol fraction, MMF)을 제조하여 인체 전립선암세포 LNCaP, RC-58T 및 PC-3에 대한 증식억제 효과를 확인하였다. 인체 전립선암세포인 PC-3 및 RC-58T와 비교해보았을 때, LNCaP은 MMF의 처리에 따른 증식억제 효과에 가장 민감했다. LNCaP의 형태학적 관찰과 apoptotic body 형성을 관찰해보았으며, MMF의 처리로 인한 형태의 변화, 핵 손상 및 응축을 확인했다. MMF의 처리로 인한 인체 전립선암세포 LNCaP에서 성장억제 효과가 내인성 apoptosis 경로와 관련 있는지 확인한 결과, pro-apoptotic 단백질인 Bax, caspase-3, caspase-9, PARP의 발현이 증가하였고, anti-apoptotic 단백질인 Bcl-2의 발현이 감소하는 것을 확인했다. MMF와 AIF inhibitor인 N-phenylmalemide (N-PM)의 병용처리군에 비해 MMF 단독처리군의 증식억제 효과가 유의적으로 나타났으며 AIF 및 Endo G의 발현 증가를 통해 외인성 apoptosis 경로에 영향을 미치는 것을 확인했다. 또한 PI3K inhibitor인 LY294002와 MMF의 병용처리군에 비해 MMF 단독처리군의 증식억제 효과가 유의적으로 나타났으며 PI3K, p-Akt, p-mTOR의 발현 감소를 통해 PI3K/Akt/mTOR 신호경로에 영향을 미치는 것을 확인했다. 결론적으로 인체 전립선암세포 LNCaP에서 MMF의 증식억제 효과는 천연물 유래 기능성 식품의 소재로써의 가능성을 보여준다. This study examined the growth inhibitory effect of the methanol fraction of maesil (Prunus mume) extract (MMF) on LNCaP, PC-3, and RC-58T human prostate cancer cell lines. Among these cell lines, LNCaP was the most sensitive to the inhibitory effects of MMF. Observation of the morphology and apoptotic body formation in the LNCaP cells revealed morphological changes, nuclear damage, and condensation in response to MMF treatment. The suppressive effect of MMF was related to the intrinsic apoptosis pathway, as indicated by increased expression of the pro-apoptotic proteins Bax, capase-3, capase-9, and PARP and decreased expression of the anti-apoptotic protein Bcl-2. Combined treatment with MMF and the AIF inhibitor N-phenylmalemide (N-PM) indicated that MMF treatment alone had a significant growth suppression effect. The involvement of the extrinsic apoptosis pathway was also confirmed by increased expression of AIF and Endo G. The growth suppression effect of MMF was also significant when compared to the effects of a combination of the PI3K inhibitor LY294002 and MMF. The reduced expression of PI3K, p-Akt, and p-mTOR confirmed the involvement of the PI3K/Akt/ mTOR signaling pathway in regulating the anti-proliferative properties of MMF. In conclusion, the growth suppression effect of MMF in the LNCaP human prostate cancer cell line shows the possibility of using this natural product in functional foods.
Asymptomatic Myxoma originating from the Right Ventricular Outflow Tract
( Dong Hwi Kim ),( Jeong Eun Yi ),( Hyun Ji In ),( Min Yeong Jeong ),( Moon Sung Kim ) 대한내과학회 2013 대한내과학회 추계학술발표논문집 Vol.2013 No.1
Cardiac myxoma is rare primary cardiac tumors, with a prevalence of 0.5 per million population per year, of which only 3% to 4% are reported to arise in the right ventricle. A 42-year-old female was presented to emergency room with general weakness. The patient was performed abdominal CT, Echocardiography and right ventricular outflow tract (RVOT) mass was incidentally found. Pulmonary angio CT showed enhancing mass after contrast infusion in right ventricular outflow tract. Transthoracic echocardiography revealed a large mobile ovoid mass located in RV outflow tract measuring 26×14 mm in diameter. And the mass was prolapsing to pulmonary trunk during systolic phase. But there was no RVOT obstruction with pressure gradient of 2.6 mmHg. The patient was taken up for surgery. The mass was completely removed via right atrial approach under cardiopulmonary bypass. The mass was yellowish, soft and it had a wide area of the stalk. The microscopic examination shows stellate or globular cells that are arranged in cord-like pattern with abundant myxoid background., which is consistent with a benign myxoma. We present a case in which RVOT myxoma were incidentally found without RVOT obstruction and related symptoms, and removed successfully by surgery.
70세 이상의 고령에서 발생한 기관지 결핵의 임상적 특징
김휘종 ( Hwi Jong Kim ),김현식 ( Hyeon Sik Kim ),마정은 ( Jeong Eun Ma ),이승준 ( Seung Jun Lee ),함현석 ( Hyoun Seok Ham ),조유지 ( Yu Ji Cho ),정이영 ( Yi Yeong Jeong ),전경녀 ( Kyoung Nyeo Jeon ),김호철 ( Ho Cheol Kim ),이종덕 대한결핵 및 호흡기학회 2007 Tuberculosis and Respiratory Diseases Vol.63 No.5
연구배경: 폐결핵의 발생은 연령이 증가함에 따라 그 빈도가 증가하는 것으로 알려져 있어 기관지 결핵의 발생률도 고령에서 증가할 것으로 생각된다. 본 연구는 70세 이상의 고령에서 발생한 기관지 결핵의 임상적 특징을 알아보고자 하였다. 방 법: 2003년 3월부터 2006년 6월까지 경상대학교병원에서 기관지 결핵으로 진단 받은 74명의 환자(남:여=12:62, 평균나이: 64.6±16.2세)를 대상으로 70세 이상 환자군과 70세 미만 환자군으로 나누어 임상적 특징을 후향적으로 조사하였다. 결 과: 1) 70세 이상의 환자는 41명(55%), 70세 미만의 환자는 33명(45%)이었다. 2) 양군 모두에서 가장 흔한 증상은 기침이었으며, 호흡곤란의 빈도는 70세 이상 환자군이 70세 미만 환자군보다 높았다(31.7% vs. 12.1%). 3) 기관지내시경 소견상 70세 이상의 환자군이 70세 미만의 환자군보다 건락성 괴사형의 비율은 낮았고(39% vs. 66.7%), 부종 충혈형은 상대적으로 높았다(53.7% vs. 27.2%)(p<0.05). 4) 병변의 위치는 기관 또는 주 기관지를 침범하는 경우가 70세 이상의 환자군이 70세 미만의 환자군보다 유의하게 많았다(9.7% vs. 30.3%). 5) 객담 및 기관지 세척액의 항산균 도말 양성률과 배양 양성률은 유의한 차이가 없었다. 결 론: 70세 이상의 고령에서도 기관지 결핵은 흔히 관찰할 수 있으며, 70세 미만의 기관지 결핵 환자와는 다른 몇 가지 임상양상을 보였다. Background: The possibility of developing pulmonary tuberculosis usually increases with increasing age. Therefore, the incidence of endobronchial tuberculosis in older people may increase. We evaluated the clinical characteristics in patients with endobronchial tuberculosis above the age of 70 years. Methods: We enrolled 74 patients (12 males and 62 females; mean age 64.6±16.2 years) that were diagnosed with endobronchial tuberculosis from March 2003 to July 2006 at Gyeongsang University Hospital. We retrospectively evaluated the clinical characteristics of endobronchial tuberculosis for patients 70 years or older (older group) and for patients below the age of 70 years (younger group). Results: The number of patients in the older group was 41 (55%). Cough was the most common symptom in the two groups of patients and dyspnea on exertion was more common in the older group of patients than in the younger group of patients (31.7% vs. 12.1%). The actively caesating type of disease was more common in the younger group of patients than in the older group of patients (66.7% vs. 39%). The edematous type of disease was more common in the older group of patients than in the younger group of patients (53.7% vs. 27.2%) (p<0.05). Tracheal and main bronchial involvement of lesions were more common for the younger group of patients than for the older group of patients (30.3% vs. 9.7%) (p<0.05). Conclusion: Endobronchial tuberculosis was commonly observed in patients older than 70 years and this group of patients had some clinical characteristics that were different from the younger group of patients. (Tuberc Respir Dis 2007;63:412-416)