1.Clinical experience of robotic myomectomy for fertility preservation using preoperative magnetic resonance imaging predictor
So Yun PARK ; Juhui KIM ; Kyungah JEONG ; Sung Il JUNG ; Young Min HUR ; Eun Hye CHO ; Hye-Sung MOON ; Hye Won CHUNG
Obstetrics & Gynecology Science 2020;63(6):726-734
		                        		
		                        			Objective:
		                        			This study aimed to demonstrate the use of preoperative magnetic resonance imaging (MRI) findings to select the optimal surgical technique between single-site (SS) and multi-site (MS) robotic myomectomy based on clinical experience, for the preservation of fertility. 
		                        		
		                        			Methods:
		                        			Ninety-eight patients who underwent SS or MS robotic myomectomy using the da Vinci® Si system after undergoing MRI were evaluated retrospectively. The correlation between preoperative MRI findings and the intraoperative or postoperative findings during robotic myomectomy for the preservation of fertility was analyzed. The reproductive outcome was investigated when the patient wished to conceive. 
		                        		
		                        			Results:
		                        			The mean age of the patients was 35.68±5.04 years and 80 patients (81.6%) were nulliparous. The total diameter of myomas on MRI was 106.75±54.52 mm. The number of resected myomas was 4.31±4.39 (range, 1–27), and the total weight of resected myomas was 293.11±281.13 (range, 30–1,260) g. Myomas with high signal intensity on MRI required less time for resection. MS robotic myomectomy was performed for an increased number and total diameter of a myoma or a deep-seated myoma. Postoperatively, all patients resumed normal menstruation. Of the 15 patients who wished to conceive, 12 (80%) conceived successfully. Of these, uterine dehiscence occurred in 1 patient and 10 patients underwent an uneventful cesarean section. 
		                        		
		                        			Conclusion
		                        			SS or MS robotic myomectomy can be recommended for patients who wish to conserve fertility. However, the optimal surgical technique should be selected based on preoperative MRI findings to predict an effective surgical process and the successful preservation of fertility.
		                        		
		                        		
		                        		
		                        	
2.Clinical experience of robotic myomectomy for fertility preservation using preoperative magnetic resonance imaging predictor
So Yun PARK ; Juhui KIM ; Kyungah JEONG ; Sung Il JUNG ; Young Min HUR ; Eun Hye CHO ; Hye-Sung MOON ; Hye Won CHUNG
Obstetrics & Gynecology Science 2020;63(6):726-734
		                        		
		                        			Objective:
		                        			This study aimed to demonstrate the use of preoperative magnetic resonance imaging (MRI) findings to select the optimal surgical technique between single-site (SS) and multi-site (MS) robotic myomectomy based on clinical experience, for the preservation of fertility. 
		                        		
		                        			Methods:
		                        			Ninety-eight patients who underwent SS or MS robotic myomectomy using the da Vinci® Si system after undergoing MRI were evaluated retrospectively. The correlation between preoperative MRI findings and the intraoperative or postoperative findings during robotic myomectomy for the preservation of fertility was analyzed. The reproductive outcome was investigated when the patient wished to conceive. 
		                        		
		                        			Results:
		                        			The mean age of the patients was 35.68±5.04 years and 80 patients (81.6%) were nulliparous. The total diameter of myomas on MRI was 106.75±54.52 mm. The number of resected myomas was 4.31±4.39 (range, 1–27), and the total weight of resected myomas was 293.11±281.13 (range, 30–1,260) g. Myomas with high signal intensity on MRI required less time for resection. MS robotic myomectomy was performed for an increased number and total diameter of a myoma or a deep-seated myoma. Postoperatively, all patients resumed normal menstruation. Of the 15 patients who wished to conceive, 12 (80%) conceived successfully. Of these, uterine dehiscence occurred in 1 patient and 10 patients underwent an uneventful cesarean section. 
		                        		
		                        			Conclusion
		                        			SS or MS robotic myomectomy can be recommended for patients who wish to conserve fertility. However, the optimal surgical technique should be selected based on preoperative MRI findings to predict an effective surgical process and the successful preservation of fertility.
		                        		
		                        		
		                        		
		                        	
3.Inhibition of RIPK3 Pathway Attenuates Intestinal Inflammation and Cell Death of Inflammatory Bowel Disease and Suppresses Necroptosis in Peripheral Mononuclear Cells of Ulcerative Colitis Patients
Seung Hoon LEE ; Ji ye KWON ; Jeonghyeon MOON ; JeongWon CHOI ; Jooyeon JHUN ; KyungAh JUNG ; Keun-Hyung CHO ; Om DARLAMI ; Han Hee LEE ; Eun Sun JUNG ; Dong Yun SHIN ; Bo-In LEE ; Mi-La CHO
Immune Network 2020;20(2):e16-
		                        		
		                        			
		                        			 Receptor-interacting serine/threonine-protein kinase (RIPK) 3 is a member of the TNF receptor-I signaling complex and mediates necroptosis, an inflammatory cell death. Ulcerative colitis (UC) is an excessive inflammatory disease caused by uncontrolled T cell activation. The current study is aimed to determine whether RIPK3 inhibitor attenuates UC development inhibiting inflammation and necroptosis using experimental colitis mice model. Dextran sulfate sodium-induced colitis mice were administered RIPK3 inhibitor (3 mg/ml) 3 times and their tissues were analyzed by immunohistochemistry. RIPK3, mixed lineage kinase domain-like (MLKL), phosphorylated MLKL, IL-17, and CD4 in colitis patient colon tissues were detected using confocal microscopy. Protein levels were measured using immunohistochemistry and ELISA. The differentiation of Th17 cells was evaluated using flow cytometry. The expression of proinflammatory cytokines and necroptosis in peripheral blood mononuclear cells from UC patients was decreased markedly by RIPK3 inhibitor treatment. We also observed that the injection of RIPK3 inhibitor improves colitis severity and protects intestinal destruction. RIPK3 inhibitor reduced necroptosis factors and proinflammatory cytokines in the colon and consequently protected colon devastation. The expression of inflammatory mediators in experimental colitis mice splenocytes was decreased significantly by RIPK3 inhibitor treatment. These results suggest that RIPK3 inhibitor ameliorates severity of experimental colitis and reduces inflammation through the inhibition of inflammatory response and necroptosis and support RIPK3-targeting substances for treatment of UC. 
		                        		
		                        		
		                        		
		                        	
4.Antiviral Activity of Gemcitabine Against Echovirus 30 Infection in Vitro
Hwa Jung CHOI ; Jae Hyoung SONG ; Kyungah YOON
Journal of Bacteriology and Virology 2019;49(4):203-211
		                        		
		                        			
		                        			Echovirus 30 is one of the major causes of meningitis in children and adults. The purpose of our current study was to investigate whether selected antiviral drugs could provide antiviral activity against echovirus 30. Using RD cells, we assessed the cytopathic effect of echovirus 30, including viral RNA levels as indicators of viral replication. The effects of gemcitabine were compared to rupintrivir, a well-known antiviral drug. To understand the activity gemcitabine exerts on the viral life cycle, time course and time-of-addition assays were implemented. The most effective compounds against echovirus 30 were gemcitabine and rupintrivir, as demonstrated by their concentration-dependent activity. Gemcitabine affects the early stages of echovirus 30 infection by disrupting viral replication. However, gemcitabine failed to directly inactivate echovirus 30 particles or impede viral uptake into the RD cells. Gemcitabine can be considered as a lead candidate in the development of echovirus 30 antiviral drugs, specifically in the early stages of echovirus 30 replication.
		                        		
		                        		
		                        		
		                        			Adult
		                        			;
		                        		
		                        			Antiviral Agents
		                        			;
		                        		
		                        			Child
		                        			;
		                        		
		                        			Enterovirus B, Human
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			In Vitro Techniques
		                        			;
		                        		
		                        			Life Cycle Stages
		                        			;
		                        		
		                        			Meningitis
		                        			;
		                        		
		                        			RNA, Viral
		                        			
		                        		
		                        	
5.Antiviral Activity of Itraconazole against Echovirus 30 Infection In Vitro.
Jae Sug LEE ; Hwa Jung CHOI ; Jae Hyoung SONG ; Hyun Jeong KO ; Kyungah YOON ; Jeong Min SEONG
Osong Public Health and Research Perspectives 2017;8(5):318-324
		                        		
		                        			
		                        			OBJECTIVES: Echovirus 30 is a major cause of meningitis in children and adults. The aim of this study was to investigate whether the antifungal drug itraconazole could exhibit antiviral activity against echovirus 30. METHODS: The cytopathic effect and viral RNA levels were assessed in RD cells as indicators of viral replication. The effects of itraconazole were compared to those of two known antiviral drugs, rupintrivir and pleconaril. The time course and time-of-addition assays were used to approximate the time at which itraconazole exerts its activity in the viral cycle. RESULTS: Itraconazole and rupintrivir demonstrated the greatest potency against echovirus 30, demonstrating concentration-dependent activity, whereas pleconaril showed no antiviral activity. Itraconazole did not directly inactivate echovirus 30 particles or impede viral uptake into RD cells, but did affect the initial stages of echovirus 30 infection through interference with viral replication. CONCLUSION: Itraconazole can be considered a lead candidate for the development of antiviral drugs against echovirus 30 that may be used during the early stages of echovirus 30 replication.
		                        		
		                        		
		                        		
		                        			Adult
		                        			;
		                        		
		                        			Antiviral Agents
		                        			;
		                        		
		                        			Child
		                        			;
		                        		
		                        			Enterovirus B, Human*
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			In Vitro Techniques*
		                        			;
		                        		
		                        			Itraconazole*
		                        			;
		                        		
		                        			Meningitis
		                        			;
		                        		
		                        			RNA, Viral
		                        			
		                        		
		                        	
6.Antiviral Activity of Corylus heterophylla Fisch Against Porcine Epidemic Diarrhea Virus Infection.
Jae Sook LEE ; Dur Han KWON ; Hyea Suk SONG ; Hwa Jung CHOI ; Kyungah YOON
Journal of Bacteriology and Virology 2016;46(3):159-166
		                        		
		                        			
		                        			The porcine epidemic diarrhea virus (PEDV) has recently been shown to cause huge economic losses in the global pork industry. Our results demonstrated that the extract dose-dependently inhibited the replication of PEDV and reduced the visible cytopathic effect (CPE). Treatment with C. heterophylla Fisch extract resulted in marked reduction of PEDVinduced cytokine and chemokine expression. The antiviral activity of C. heterophylla Fisch extract on PEDV replication was found to be primarily exerted at the early stages after infection. Taken together, our data indicate that C. heterophylla Fisch extract may be a good therapeutic agent for use against PEDV and also a potential candidate to be evaluated against other human and animal coronaviruses.
		                        		
		                        		
		                        		
		                        			Animals
		                        			;
		                        		
		                        			Coronavirus
		                        			;
		                        		
		                        			Corylus*
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Porcine epidemic diarrhea virus*
		                        			;
		                        		
		                        			Red Meat
		                        			
		                        		
		                        	
7.STX0119 Ameliorates Arthritis in SKG Mice via Inhibiting T Helper 17.
Faisal HAYAT ; Seung Hoon LEE ; Eun Jung LEE ; Seok Jung KIM ; KyungAh JUNG ; Soon Kyu LEE ; Jeehee YOUN ; Jun Ki MIN ; Mi La CHO ; Dong Yun SHIN
Tissue Engineering and Regenerative Medicine 2016;13(1):91-99
		                        		
		                        			
		                        			Rheumatoid arthritis (RA) is an autoimmune disease with chronic and excessive inflammation. Upregulation of interleukin (IL)-17 is involved in the pathogenesis of RA. STX0119 is a specific inhibitor of signal transducer and activator of transcription 3 (STAT3) as a potential target for the treatment of RA. STAT3 is a member of DNA-binding molecules that regulates the expression of proinflammatory cytokines involved in the pathogenesis of RA. The objective of this study was to determine whether STX0119 could inhibit STAT3 and IL-17. We demonstrated that STX0119 decreased T helper (Th) 17 differentiation and IL-17 expression in vitro. STX0119 also improved the severity of zymosan induced arthritis and reduced joint inflammation. STX0119 reduced the proliferation of Th17 and phosphorylated STAT3 expression while increasing Treg differentiation and phosphorylated STAT5 expression. Moreover, STX0119 decreased the expression of IL-6 and -17 but not IL-10. These findings suggest that STX0119 can be used to treat autoimmune RA through inhibiting the activation of STAT3.
		                        		
		                        		
		                        		
		                        			Animals
		                        			;
		                        		
		                        			Arthritis*
		                        			;
		                        		
		                        			Arthritis, Rheumatoid
		                        			;
		                        		
		                        			Autoimmune Diseases
		                        			;
		                        		
		                        			Cytokines
		                        			;
		                        		
		                        			In Vitro Techniques
		                        			;
		                        		
		                        			Inflammation
		                        			;
		                        		
		                        			Interleukin-10
		                        			;
		                        		
		                        			Interleukin-17
		                        			;
		                        		
		                        			Interleukin-6
		                        			;
		                        		
		                        			Interleukins
		                        			;
		                        		
		                        			Joints
		                        			;
		                        		
		                        			Mice*
		                        			;
		                        		
		                        			STAT3 Transcription Factor
		                        			;
		                        		
		                        			Up-Regulation
		                        			;
		                        		
		                        			Zymosan
		                        			
		                        		
		                        	
8.Added Value of Using a CT Coronal Reformation to Diagnose Adnexal Torsion.
Sung Il JUNG ; Hee Sun PARK ; Younghee YIM ; Hae Jeong JEON ; Mi Hye YU ; Young Jun KIM ; Kyungah JEONG
Korean Journal of Radiology 2015;16(4):835-845
		                        		
		                        			
		                        			OBJECTIVE: To evaluate the increased value of using coronal reformation of a transverse computed tomography (CT) scan for detecting adnexal torsion. MATERIALS AND METHODS: This study included 106 woman suspected of having adnexal torsion who underwent CT with coronal reformations and subsequent surgical exploration. Two readers independently recorded the CT findings, such as the thickening of a fallopian tube, twisting of the adnexal pedicle, eccentric smooth wall thickening of the torsed adnexal mass, eccentric septal thickening of the torsed adnexal mass, eccentric poor enhancement of the torsed adnexal mass, uterine deviation to the twisted side, ascites or infiltration of pelvic fat, and the overall impression of adnexal torsion with a transverse scan alone or combined with coronal reformation and a transverse scan. The areas under the receiver operating characteristic curves (AUCs), sensitivity, specificity, and positive predictive value were used to compare diagnostic performance. RESULTS: Fifty-two patients were confirmed to have adnexal torsion. The addition of coronal reformations to the transverse scan improved AUCs for readers 1 and 2 from 0.74 and 0.75 to 0.92 and 0.87, respectively, for detecting adnexal torsion (p < 0.001 and p = 0.004, respectively). Sensitivity of CT for detecting twisting of the adnexal pedicle increased significantly for readers 1 and 2 from 0.27 and 0.29 with a transverse scan alone to 0.79 and 0.77 with a combined coronal reformation and a transverse scan, respectively (p < 0.001 and p < 0.001, respectively). CONCLUSION: Use of a coronal reformation with transverse CT images improves detection of adnexal torsion.
		                        		
		                        		
		                        		
		                        			Acute Pain/diagnosis/radiography
		                        			;
		                        		
		                        			Adnexa Uteri/pathology/*radiography
		                        			;
		                        		
		                        			Adnexal Diseases/*radiography
		                        			;
		                        		
		                        			Adolescent
		                        			;
		                        		
		                        			Adult
		                        			;
		                        		
		                        			Aged
		                        			;
		                        		
		                        			Aged, 80 and over
		                        			;
		                        		
		                        			Area Under Curve
		                        			;
		                        		
		                        			Child
		                        			;
		                        		
		                        			Female
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Middle Aged
		                        			;
		                        		
		                        			Pelvis/radiography
		                        			;
		                        		
		                        			ROC Curve
		                        			;
		                        		
		                        			Retrospective Studies
		                        			;
		                        		
		                        			Tomography, X-Ray Computed/*methods
		                        			;
		                        		
		                        			Torsion Abnormality/*diagnosis/*radiography
		                        			;
		                        		
		                        			Young Adult
		                        			
		                        		
		                        	
9.A Case of Renal Abscess associated with endogeneous endophthalmitis and septic pulmonary embolism by Klebsiella pneumoniae.
Jongkwan JUNG ; Youngwoo JANG ; Gyusik CHOI ; Kyung wan MIN ; Kyungah HAN ; Jongseok PARK
Infection and Chemotherapy 2011;43(6):485-489
		                        		
		                        			
		                        			Klebsiella pneumoniae is a pathogen that causes a wide range of infections in the human body and has a tendency to metastasize to multiple organs. Endogenous Klebsiella endophthalmitis is an infrequent but often devastating septic metastatic infection. It tends to be fulminant and often rapidly progresses to permanent visual loss beyond 24 hours after symptom onset, despite therapy with appropriate antibiotics, particularly with a delay in diagnosis and treatment. While endogenous Klebsiella endophthalmitis has mostly been reported in association with primary liver abscesses, it has rarely been reported with other Klebsiella infections including renal abscesses. Here, we present a case of a 73-year-old diabetic female diagnosed with a Klebsiella renal abscess and endogenous endophthalmitis, after developing left flank pain and bilateral decreased visual acuity. She was treated with systemic antibiotics, percutaneous abscess drainage, an intravitreal antibiotics injection, and a vitrectomy. While the renal abscess slowly resolved, the symptoms of endophthalmitis persisted despite treatment. This report suggests that endogenous endophthalmitis should be considered when diabetic patients with renal abscesses complain of ocular symptoms.
		                        		
		                        		
		                        		
		                        			Abscess
		                        			;
		                        		
		                        			Aged
		                        			;
		                        		
		                        			Anti-Bacterial Agents
		                        			;
		                        		
		                        			Drainage
		                        			;
		                        		
		                        			Endophthalmitis
		                        			;
		                        		
		                        			Female
		                        			;
		                        		
		                        			Flank Pain
		                        			;
		                        		
		                        			Human Body
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Klebsiella
		                        			;
		                        		
		                        			Klebsiella Infections
		                        			;
		                        		
		                        			Klebsiella pneumoniae
		                        			;
		                        		
		                        			Liver Abscess
		                        			;
		                        		
		                        			Pulmonary Embolism
		                        			;
		                        		
		                        			Visual Acuity
		                        			;
		                        		
		                        			Vitrectomy
		                        			
		                        		
		                        	
10.Application of a Diagnostic Method Using Reverse Transcription-PCR ELISA for the Diagnosis of Enteroviral Infections.
Kwisung PARK ; Kangbum LEE ; Kyungah BAEK ; Eunhye JUNG ; Seongmin PARK ; Youngchae CHO ; Jaehyoung SONG ; Gwangsook AHN ; Doo Sung CHEON
The Korean Journal of Laboratory Medicine 2009;29(6):594-600
		                        		
		                        			
		                        			BACKGROUND: Enteroviruses are known as major pathogen for aseptic meningitis. Although rapid diagnosis for enteroviruses is very essential to exclude bacterial infections in patients with meningitis, classical diagnostic method based on virus isolation is not practicable for timely treatment of patients due to its laborious and time-consuming procedure. Recently molecular methodologies as alternatives are routinely used for rapid and sensitive diagnosis for enteroviruses infections. METHODS: Reverse transcription (RT)-PCR ELISA kit for targeting 5'non-coding region (NCR) with highly conserved genetic identity among all genotypes of enteroviruses was introduced in this investigation. RT-PCR ELISA was evaluated about sensitivity and specificity through virus isolation using clinical specimens from patients suspected of enteroviral infections and enteroviral isolates comparing with conventional RT-PCR identifying them. RESULTS: The detection limit of the RT-PCR ELISA was up to 10-100 folds higher than virus isolation using cell culture and conventional RT-PCR. On comparison between above two methods, the detection rate of RT-PCR ELISA for clinical specimens from patients with aseptic meningitis was 7% higher than that of conventional RT-PCR targeting 5'NCR (P=0.016). CONCLUSIONS: Our results suggest that RT-PCR ELISA developed in this study could be an alternative diagnostic method for the detection of enteroviral genome with high sensitivity and specificity.
		                        		
		                        		
		                        		
		                        			5' Untranslated Regions
		                        			;
		                        		
		                        			Adolescent
		                        			;
		                        		
		                        			Child
		                        			;
		                        		
		                        			Child, Preschool
		                        			;
		                        		
		                        			Enterovirus/genetics/*isolation & purification
		                        			;
		                        		
		                        			Enterovirus Infections/*diagnosis
		                        			;
		                        		
		                        			*Enzyme-Linked Immunosorbent Assay
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Infant
		                        			;
		                        		
		                        			Meningitis, Aseptic/diagnosis
		                        			;
		                        		
		                        			RNA, Viral/analysis
		                        			;
		                        		
		                        			*Reverse Transcriptase Polymerase Chain Reaction
		                        			;
		                        		
		                        			Rotavirus/genetics
		                        			;
		                        		
		                        			Rotavirus Infections/diagnosis
		                        			;
		                        		
		                        			Sensitivity and Specificity
		                        			
		                        		
		                        	
            
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