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Jin Tae Hong, Dohee Won1, Mi Hee Park, Sun Mi Kown, Miran Jo, Sang-Yoon Nam, Beom Jun Lee, Young Won Yun, Ki-Wan Oh, Sang Bae Han 충북대학교 동물의학연구소 2011 Journal of Biomedical and Translational Research Vol.12 No.4
The objective of this study was to determine the effect of macrophages on growth of human colon cancer cells. The results showed that co-culture of colon cancer cells with macrophages inhibited the growth of colon cancer cells (HCT116 and SW620) depending on the number of macrophages, RAW 264.7 cells, and activated THP-1 cells accompanied by down regulation of pSTAT3 in cancer cells. We also found that expression and release of cancer cell growth inhibitory cytokines, IL-1 receptor antagonist (IL-1ra) and IL-10, was increased in macrophages. Blocking of the STAT3 pathway with specific inhibitor and siRNA of STAT3 abolished the growth of colon cancer cells and expression of IL-1ra and IL-10. In addition, neutralization of IL-1ra and IL-10 with antibodies resulted in reversal of macrophage-induced inhibition of cancer cell growth. These data showed that IL-1ra and IL-10 released from macrophages inhibit growth of colon cancer cells through inhibition of the STAT3 pathway
Tc-99m Sestamibi Scintigraphy를 이용한 부갑상선과 갑상선 결절의 감별진단
서승원<SUP>1<,SUP>,주재균<SUP>1<,SUP>,윤정한<SUP>1<,SUP>,제갈영종<SUP>1<,SUP>,범희승<SUP>2<,SUP>,Seung Won Seo,M,D,<SUP>1<,SUP>,Jae Kyun Joo,M,D,<SUP>1<,SUP>,Jung Han Yoon,M,D,<SUP>1<,SUP>,Young Jong Jaegal,M,D,<SUP> 대한갑상선-내분비외과학회 2002 The Koreran journal of Endocrine Surgery Vol.2 No.1
Purpose: Differentiation of parathyroid and thyroid nodule is often difficult even with aids of ultrasonography and computed tomography. Tc-9m sestamibi (MIBI) scintigraphy is useful in the detection of hyperfuntioning parathyroid nodules. However, its role in the differentiation between parathyroid and thyroid nodules including malignancies is not well studied. Therefore, the purpose of this study is to evlauate the role of Tc-99m MIBI imaing in the differentiation of parathyroid adenoma from thyroid malignancy. Methods: Six patients (4 women, 2 men, mean age 43 years) with parathyroid adenoma and 4 patients (2 women, 2 men, mean age 56 years) with thyroid papillary cancer were enrolled. Ten and 180 minutes after injection of 740 MBq Tc-99m MIBI, pinhole image of the anterior neck was obtained. Nodule-to-thyroid ratio (N:T) was measured from same sized region of interests over nodule and normal thyroid bed. Retention Index (RI) was calculated as N:T 10 minus N:T 180 divided by N:T 10. Results: Patients with parathyroid adenoma showed similar N:T 10 as those with thyroid cancer (1.09 / 0.35, 1.24/ 0.36, respectively, P>0.05 ). However, RI of parathyroid patients was higher than thyroid cancer patients (0.64 / 0.29, 0.12/ 0.20, respectively, P<0.05). Conclusion: Parathyroid adenoma showed higher retention rate of Tc-99m MIBI than thyroid cancer. Therefore, differntiation of parathyroid and thyroid nodule could be possible using Tc-99m MIBI scintigraphy. (Korean J Endocrine Surg 2002;2:15-18)
Hee Jin Kim1,Hee Jung Choi,Yoon Jae Cho,현명호 대한화학회 2010 Bulletin of the Korean Chemical Society Vol.31 No.6
Two diastereomeric chiral stationary phases (CSPs) were applied to the liquid chromatographic resolution of various racemic α-amino methyl esters, α-amino N,N-diethylamides and α-amino N-propylamides. The CSP incorporating (R)-3,3’-diphenyl-1,1’-binaphtyl and (R,R)-tartaric acid unit as chiral barriers did not show any chiral recognition. In contrast,the CSP incorporating (R)-3,3’-diphenyl-1,1’-binaphtyl and (S,S)-tartaric acid unit as chiral barriers was found to show excellent chiral recognition especially for the two enantiomers of α-amino N-propylamides. Some of α-amino methyl esters and α-amino N,N-diethylamides were also resolved on the CSP incorporating (R)-3,3’-diphenyl-1,1’-binaphtyl and (S,S)-tartaric acid unit. From these results it was concluded that the two chiral units composing the diastereomeric CSPs can show “matched” or “mismatched” effect on the chiral recognition according to their absolute stereochemistry.
The Sex Ratio and Density of the Mason bee (Osmia cornifrons) for Apple Pollination
Kyeong Yong Lee,Jung Ae Lee,Hyun Hee Han1,Dong Youl Na,Sun Young Kim,Hyung Joo Yoon 한국응용곤충학회 2017 한국응용곤충학회 학술대회논문집 Vol.2017 No.04
The nesting behavior, reproduction, fruit set and shape of O. cornifrons varied significantly with the released sex ratio of O. cornifrons. A female : male sex ratio of 1 : 2 was resulted in a 3.4 to 6.7 fold higher than other sex ratio in a nesting behavior. A ratio of 1 : 2 resulted in a 1.2-fold nesting rate, which was slightly higher than other nesting rates. Releasing only males resulted in a 2.4-fold greater amount of fruit set in non-pollinated sites. A sex ratio of 1 : 2 gave a slightly higher shape index and a 1.2 to 1.6-fold lower asymmetric index than other sex ratios. There was no significant difference between female release numbers in fruit set, and 100 to 200 females gave a slightly higher shape index than 400 females. Thus, we determined that 200 females should be released per 2,000㎡ and that the sex ratio of females to males should be 1 : 2.
신두리 해안사구에 자생하는 사구식물 내생진균의 다양성 분석
유영현 ( Youn Hyun You ),서영교 ( Yeong Gyo Seo ),윤혁준 ( Hyeok Jun Yoon ),김현 ( Hyun Kim ),김예은 ( Ye Eun Kim ),이리나할무라토바1 ( Irina Khalmuratova ),임순옥 ( Soon Ok Rim ),김창무 ( Chang Mu Kim ),김종국 ( Jong Guk Kim ) 한국미생물생명공학회(구 한국산업미생물학회) 2013 한국미생물·생명공학회지 Vol.41 No.3
The coastal sand-dune plants of eight species; Argusia sibirica, Calystegia soldanella, Elymus mollis, Lithospermum zollingeri, Raphanus sativus, Salsola collina, Zoysia macrostachya, and Zoysia sinica were collected from the Shindu-ri coastal sand dune. Ninety-eight endophytic fungal strains were isolated from the roots of these plants, analyzed, and identified by sequences in their internal transcribed spacers (ITS) at the ITS1, 5.8S, and ITS2 regions. The diversity of endophytic fungi isolated from coastal sand-dune plants was confirmed with various diversity indices. The fungal strains belonged to thirteen orders: Capnodiales (3.09%), Eurotiales (70.10%), Glomerellales (1.03%), Helotiales (3.09%), Hypocreales (9.28%), Mortierellales (2.06%), Onygenales (1.03%), Ophiostomatales (1.03%), Pleosporales (1.03%), Polyporales (1.03%), Russulales (1.03%), Saccharomycetales (2.06%), and Xylariales (1.03%). Of the endophytic fungal strains collected, Penicillium (59.18% in Eurotiales) and Fusarium (5.10% in Hypocreales) were the most abundant in coastal sand-dune plants. The endophytic fungal strains isolated from C. soldanella were more diverse compared to strains from the other coastal sand-dune plants
RE-17 : Recurrence of ovarian endometrioma in adolescents after conservative surgical treatment
( Yeon Jean Cho ),( Soo Yoon Lee ),( Mi La Kim ),( Joo Myoung Kim ),( Seok Joo Song ),( Jong Woon Bae ),( Jung Woo Park1,),( Hee Suk Lee ),( Myoung Seok Han1 ) 대한산부인과학회 2014 대한산부인과학회 학술대회 Vol.100 No.-
목적: To evaluate the cumulative recurrence rate of endometriomas after a laparoscopic endometriotic cyst enucleation in adolescents and to find the factors associated with recurrence. 방법: A multicenter retrospective cohort study was performed at 3 gynecologic surgery centers between January 2000 and December 2010. Patients surgically treated by laparoscopic enucleation of endometriotic cysts younger than 20 years old were selected. We excluded patients who had reproductive tract anomalies. Endometrioma recurrence was considered when transvaginal or transrectal sonography indicated a cystic mass with a diameter of ≥ 20 mm. 결과: In total, 105 patients were followed up for 47.3 ± 44.3 months (range, 3 - 161 months). Seventeen patients (16.2 %) experienced recurrence after the first-line surgery and 8 patients (7.6 %) underwent a second surgery. The median time to recurrence was 51.1 ± 9.1 months (SEM) (range, 8 - 111 months). The cumulative recurrence rates of endometrioma per patient at 24, 36, 60 and 96 months after the first-line surgery were 6.4 %, 10 %, 19.9 % and 30.9 %, respectively. Surgical characteristics such as the diameter of the cyst, rAFS stage, unilateral or bilateral involvement, co-existence of deep endometriosis were not associated with the recurrence in this age group. 결론: The short-term recurrence rate in adolescent after the first-line surgery is relatively low but is appears to be higher according to the follow- up duration. Long-term and strict follow up is needed who have undergone surgical treatment for endometriosis in adolescent period.
정은주,윤종호<SUP>1<.SUP>,남기현,장항석,박정수,Eun-Joo Jung,M.D.,Jong Ho Yoon,M.D.<SUP>1<.SUP>,Kee Hyun Nam,M.D.,Hang-Seok Chang,M.D. and Cheong Soo Park,M.D. 대한갑상선-내분비외과학회 2004 The Koreran journal of Endocrine Surgery Vol.4 No.1
Purpose: An association between primary hyperparathyroidism and well differentiated thyroid carcinoma has been frequently reported. However, there have been few reports of secondary hyperparathyroidism associated with thyroid carcinoma. This study was performed to evaluate the prevalence of thyroid nodule including thyroid carcinoma in patients with secondary hyperparathyroidism and to suggest more proper diagnostic approach for such cases. Methods: A retrospective study was performed on fifty-two patients who underwent parathyroid surgery for secondary hyperparathyroidism between March, 1986 and December, 2003. Results: In 20 patients (38.5%), thyroid surgery was added because of coexistent thyroid nodules. Five (25%) out of the 22 patients with coexistent thyroid nodule had thyroid carcinoma. Among the 5 thyroid carcinoma patients, 4 had papillary carcinomas and one had a follicular carcinoma. Mean size of thyroid carcinomas was 1.4 cm (0.3∼3.0 cm). Conclusion: The prevalence of thyroid carcinoma in patients with secondary hyperparathyroidism was higher than that in the general population. An aggressive diagnostic approach (ultrasonography and FNAB) should be considered when the patients with secondary hyperparathyroidism present with thyroid nodules. (Korean J Endocrine Surg 2004;4:48-50)
중복 원발암의 증례 1예: 위선암 및 방사선조사후 소장에서 발생한 혈관육종
김강 ( Kang Kim1 ),김선희 ( Sun Hee Kim ),문진창 ( Jin Chang Moon ),박윤지 ( Yoon Ji Park ),박진경 ( Jin Kyung Park ),서승영 ( Seung Young Seo ),정래영 ( Lae Young Jung ),임호영 ( Ho Young Yhim ),곽재용 ( Jae Yong Kwak ) 전북대학교 의과학연구소 2011 全北醫大論文集 Vol.35 No.1
Angiosarcomas are rare malignant neoplasms, which mainly occur on the skin and superficial tissue. Angiosarcoma in the small intestine after radiation therapy is very rare and there are less than 20 cases of small-intestine angiosarcoma after pelvic irradiation. We report a case of double cancer with gastric adenocarcinoma and postradiation angiosarcoma of the small intestine which has been diagnosed 20 years after pelvic irradiation therapy for uterine cervical cancer.