1.Clinical outcomes of vitrified-thawed embryo transfer using a pull and cut straw method.
Joon Gyo LIM ; Young Tae HEO ; Seung Gi MIN ; Byeong Yeol MIN ; Sang Jun UHM ; Nam Hyung KIM
Obstetrics & Gynecology Science 2013;56(3):182-189
OBJECTIVE: To compare the clinical outcomes of patients with vitrified-thawed embryos transferred using either the 0.25 mL straw method and the pull and cut straw (PNC) method. To evaluate the clinical outcomes of patients with transferred embryos that underwent assisted hatching at the cleaved embryo (day 3) or the blastocyst (day 5) stage. METHODS: The study population consisted of women who underwent vitrified-warmed embryo transfer between May 2000 and December 2011 and assisted hatching was performed after warming of embryos. Cycles of thawing between assisted hatching treated and non treated groups were compared for survival and pregnancy rates. RESULTS: The PNC vitrification method improved survival and pregnancy rates in partial lysed embryos. While assisted hatching did not affect the developmental and clinical pregnancy rates of the vitrified-warmed blastocyst group, it did increase the pregnancy rate of poor quality vitrified-warmed cleaved embryos. CONCLUSION: These results suggest that PNC may increase the number of clinical pregnancies via the vitrification of both cleaved embryos and blastocysts. In addition, selective assisted hatching treatment of embryos that show a poor prognosis after warming may increase the rate of clinical pregnancy.
Blastocyst
;
Embryo Transfer
;
Embryonic Structures
;
Female
;
Humans
;
Pregnancy
;
Pregnancy Rate
;
Prognosis
;
Vitrification
2.Sequential Development of Systemic Lupus Erythematosus in a Patient with Juvenile Rheumatoid Arthritis.
Seung hie CHUNG ; Jin bae LEE ; Sang Hyuk LIM ; Chae Gi KIM ; Jung Yoon CHOE
The Journal of the Korean Rheumatism Association 2002;9(4):330-334
Overlap syndrome is used to describe patients who have two or more well-defined connective tissue diseases. Although a variety of overlap syndromes are now recognized, the coexistence of the progression of juvenile rheumatoid arthritis (JRA) to systemic lupus erythematosus (SLE) is uncommon. We describe a patient who had typical deforming polyarthritis, who years later developed SLE.
Arthritis
;
Arthritis, Juvenile*
;
Connective Tissue Diseases
;
Humans
;
Lupus Erythematosus, Systemic*
3.The Effect of Subtenons Lidocaine Injection and/or Preoperative Anxiety on Emergence Agitation after Sevoflurane Anesthesia in Pediatric Strabismus Surgery.
Il Sook SEO ; Seung Gi LIM ; Myung Mi KIM
Korean Journal of Anesthesiology 2006;51(4):430-435
< 0.05). The incidence of emergence agitation was 17% in the subtenons lidocaine injection group, which was significantly lower than in the control group (36%) (P < 0.05). CONCLUSIONS: A lidocaine injection into the subtenons space reduces emergence agitation after sevoflurane anesthesia in pediatric strabismus surgery.
Anesthesia*
;
Anxiety*
;
Dihydroergotamine*
;
Incidence
;
Lidocaine*
;
Strabismus*
4.Clinical Analysis of The Invasive Cervical Cancer Patients Treated by Radical Hysterectomy.
Young Joon CHOI ; Seon Kyung LEE ; Myong Cheol LIM ; Sang Gi SEO ; Seung Bo KIM
Korean Journal of Obstetrics and Gynecology 2005;48(1):88-99
OBJECTIVE: This study was undertaken to analyze the demographic profile and clinicopathologic characteristics of the patients with invasive cervical cancer who had undergone radical hysterectomy. METHODS: Records of 285 patients with invasive cervical cancer who had undergone radical hysterectomy and pelvic lymph node dissection at Kyung Hee University Hospital from January 1986 to March 2001 were reviewed retrospectively. In this study, we analyzed the clinicopathologic characteristics such as age, FIGO stage, histologic type, nodal metastasis, treatment modalities, complications, recurrence rates, and the overall 5-year survival rates et al. by using univariate anaysis and Kaplan-Meier method. RESULTS AND CONCLUSION: Ages ranged from 28 to 78. The mean age was 50.6. The number of patients of 285 being in FIGO stage Ia was 34 (11.9%), Ib 146 (51.2%), IIa 78 (27.4%), IIb 27 (9.5%). In the distribution of histological type, the number of squamous cell carcinoma was 258 (90.5%), adenocarcinoma 20 (7.0%), adenosquamous carcinoma 7 (2.5%). LN involvement was present in 5.9% with stage Ia, 16.4% with Ib, 24.4% with IIa, 25.9% with IIb. Obturator LN was the most frequently involved among pelvic lymph node. Urinary tract infection was the most common complication after surgery, occupying 15.1%. 26 cases (9.1%) developed recurrence. The recurrence rate was 0% in stage Ia, 8.2% in stage Ib, 11.5% in stage IIa, 18.5% in stage IIb. The overall 5-year survival rate was 100% in stage Ia, 89.4% in stage Ib, 80.0% in stage IIa and 72.2% in stage IIb. FIGO stage, tumor mass size, resection margin, lymph node involvement had a statistical prognostic significance (P<0.01).
Adenocarcinoma
;
Carcinoma, Adenosquamous
;
Carcinoma, Squamous Cell
;
Humans
;
Hysterectomy*
;
Lymph Node Excision
;
Lymph Nodes
;
Neoplasm Metastasis
;
Recurrence
;
Retrospective Studies
;
Survival Rate
;
Urinary Tract Infections
;
Uterine Cervical Neoplasms*
5.Pacing-induced Atrial Electrical Remodeling and its Recovery in Conscious Dog Atria.
Gi Byoung NAM ; Dong Woon KIM ; Chengri CHE ; Seogjae LEE ; Jong Myeon HONG ; Seung Woon LIM ; Ki Jeong NA ; Myeong Chan CHO
Korean Circulation Journal 1998;28(6):961-969
BACKGROUND: Pacing-induced atrial electrical remodeling (AER) is characterized by shortening of atrial effective refractory period (A-ERP) and its altered rate adaptation. In paroxysmal atrial fibrillation (AF), periods of AF occur with interveneing normal sinus rhythm (NSR) when atria recover from the preceding AER. Previous episodes of AF may precondition the atrial myocardium and cause different time course of AER in subsequent episodes of AF. But the influence of the preceding AER on the subsequent AER has not been described. METHODS: Four mongrel dogs were anesthetized with enflurane. After thoracotomy, silicon band with 3 pairs of electrodes was sutured to the lateral wall of the left atrium. Atrial pacing was performed after 2 wks of recovery and autonomic blockade. Pacing protocol consisted of rapid atrial pacing (RAP) at 500 bpm (for 60 min) and recovery in NSR (for 60 min) which was repeated three times. A-ERP was measured every 10 min. The same pacing protocol was repeated after pretreatment with verapamil (0.1 mg/kg/hr). RESULTS: 1) With 60 min of RAP, A-ERP decreased significantly (126+/-6 ms vs. 105+/-7 ms, p<0.005). 2) After cessation of pacing, A-ERP returned to 98% of baseline value in 15 minutes. Recovery from AER occurred faster than AER (78 vs 21 ms/h). 3) After pretreatment with verapamil, RAP decreased A-ERP from 127+/-5 ms to 116+/-5 ms. AER, the reduction in A-ERP, was significantly attenuated by pretreatment with verapamil (deltaERp=17+/-7 vs. 9+/-0.2 %, p<0.05). 4) When RAPs were repeated, AER showed a tendency of acceleration, but it was not statistically significant (deltaERp=22 ms, 24 ms, 28 ms at the end of 60 min pacing for the 1st, 2nd, 3rd pacing). CONCLUSION: RAP induced AER in conscious dog atria and it was reduced by pretreatment with calcium channel blocking agent, verapamil. Upon repeated atrial stimulations, AER did not accelerate or decelerate when the atria recovered from the preceding AER.
Acceleration
;
Animals
;
Atrial Fibrillation
;
Atrial Remodeling*
;
Calcium
;
Calcium Channels
;
Dogs*
;
Electrodes
;
Enflurane
;
Heart Atria
;
Myocardium
;
Silicones
;
Thoracotomy
;
Verapamil
6.Feasibility of Loop-Mediated Isothermal Amplification for Rapid Detection of Methicillin-Susceptible and Methicillin-Resistant Staphylococcus aureus in Tissue Samples
Sang-Gyun KIM ; Gi Won CHOI ; Won Seok CHOI ; Chae Seung LIM ; Woong Sik JANG ; Ji Hoon BAE
Clinics in Orthopedic Surgery 2022;14(3):466-473
Background:
To date, few studies have investigated the feasibility of the loop-mediated isothermal amplification (LAMP) assay for identifying pathogens in tissue samples. This study aimed to investigate the feasibility of LAMP for the rapid detection of methicillin-susceptible or methicillin-resistant Staphylococcus aureus (MSSA or MRSA) in tissue samples, using a bead-beating DNA extraction method.
Methods:
Twenty tissue samples infected with either MSSA (n = 10) or MRSA (n = 10) were obtained from patients who underwent orthopedic surgery for suspected musculoskeletal infection between December 2019 and September 2020. DNA was extracted from the infected tissue samples using the bead-beating method. A multiplex LAMP assay was conducted to identify MSSA and MRSA infections. To recognize the Staphylococcus genus, S. aureus, and methicillin resistance, 3 sets of 6 primers for the 16S ribosomal ribonucleic acid (rRNA) and the femA and mecA genes were used, respectively. The limit of detection and sensitivity (detection rate) of the LAMP assay for diagnosing MSSA and MRSA infection were analyzed.
Results:
The LAMP result was positive for samples containing 10 3 colony-forming unit (CFU)/mL for 16S rRNA, 10 4 CFU/mL for femA, and 10 5 CFU/mL formecA. The limits of detection for 16S rRNA and femA were not different between MSSA and MRSA. For the 10 MSSA-positive samples, the LAMP assay showed 100% positive reactions for 16S rRNA and femA and a 100% negative reaction for mecA. For the 10 MRSA-positive samples, the LAMP assay showed 100% positive reactions for 16S rRNA and mecA but only 90% positive reactions for femA. The sensitivity (detection rate) of the LAMP assay for identifying MSSA and MRSA in infected tissue samples was 100% and 90%, respectively.
Conclusions
The results of this study suggest that the LAMP assay performed with tissue DNA samples can be a useful diagnostic method for the rapid detection of musculoskeletal infections caused by MSSA and MRSA.
7.Identification of microRNAs and their target genes in the placenta as biomarkers of inflammation
Hee Yeon JANG ; Seung Mook LIM ; Hyun Jung LEE ; Joon-Seok HONG ; Gi Jin KIM
Clinical and Experimental Reproductive Medicine 2020;47(1):42-53
Objective:
Recently, microRNA (miRNA) has been identified both as a powerful regulator involved in various biological processes through the regulation of numerous genes and as an effective biomarker for the prediction and diagnosis of various disease states. The objective of this study was to identify and validate miRNAs and their target genes involved in inflammation in placental tissue.
Methods:
Microarrays were utilized to obtain miRNA and gene expression profiles from placentas with or without inflammation obtained from nine normal pregnant women and 10 preterm labor patients. Quantitative real-time polymerase chain reaction and Western blots were performed to validate the miRNAs and differentially-expressed genes in the placentas with inflammation. Correlations between miRNA and target gene expression were confirmed by luciferase assays in HTR-8/SVneo cells.
Results:
We identified and validated miRNAs and their target genes that were differentially expressed in placentas with inflammation. We also demonstrated that several miRNAs (miR-371a-5p, miR-3065-3p, miR-519b-3p, and miR-373-3p) directly targeted their target genes (LEF1, LOX, ITGB4, and CD44). However, some miRNAs and their direct target genes showed no correlation in tissue samples. Interestingly, miR-373-3p and miR-3065-3p were markedly regulated by lipopolysaccharide (LPS) treatment, although the expression of their direct targets CD44 and LOX was not altered by LPS treatment.
Conclusion
These results provide candidate miRNAs and their target genes that could be used as placental biomarkers of inflammation. These candidates may be useful for further miRNA-based biomarker development.
8.Impaired responses of leukemic dendritic cells derived from a human myeloid cell line to LPS stimulation.
Kwang Dong KIM ; Seung Chul CHOI ; Young Woock NOH ; Jong Wan KIM ; Sang Gi PAIK ; Young YANG ; Keun Il KIM ; Jong Seok LIM
Experimental & Molecular Medicine 2006;38(1):72-84
Several myeloid leukemia-derived cells have been reported to possess the ability to differentiate into dendritic cells (DC). MUTZ-3, a myeloid leukemia cell line, responds to GM-CSF, IL-4 and TNF-alpha, and acquires a phenotype similar to immature monocyte-derived DC (MoDC). In the present study, MUTZ-3-derived DC (MuDC) showed high level expression of HLA class II molecules, CD80 and CD86, and were able to function as potent antigen presenting cells as previously reported. Interestingly, MuDC maturation was induced by CD40-mediated stimulation, but not by LPS stimulation. We analyzed CCR1, CCR7 and Toll-like receptor (TLR) expressions in MuDC, and measured IL-10 and IL-12 production after maturation stimuli. Although MuDC expressed the mRNA for TLR4, a major component of the LPS receptor system, they did not show an enhanced level of CCR7 or cytokine production after LPS stimulation. In contrast, they responded to CD40 stimulation, which resulted in increased levels of CD83, CD86 and CCR7. Moreover, while LPSstimulated MoDC could potently stimulate NK cells in a DC-NK cell co-culture, LPS-stimulated MuDC failed to stimulate primary NK cells. Taken together, our findings suggest that, although MuDC express TLR4, unlike TNF-alpha and IL-1beta, LPS does not stimulate MuDC to acquire mature phenotypes, and they may have impaired activity to initiate innate immune response.
Antigens, CD40/metabolism/pharmacology
;
Antigens, CD80/metabolism
;
Antigens, CD86/metabolism
;
Blotting, Western
;
CD40 Ligand/metabolism/pharmacology
;
Cell Differentiation
;
Cell Line, Tumor
;
Coculture Techniques
;
Dendritic Cells/*drug effects/metabolism
;
Enzyme-Linked Immunosorbent Assay
;
Fluorescein-5-isothiocyanate
;
Fluorescent Antibody Technique, Indirect
;
Fluorescent Dyes
;
Humans
;
Interleukin-10/analysis/biosynthesis
;
Interleukin-12/analysis/biosynthesis
;
Killer Cells, Natural/metabolism
;
Leukemia, Myeloid/*pathology
;
Lipopolysaccharides/*pharmacology
;
Mitogen-Activated Protein Kinase 3/metabolism
;
RNA, Messenger/metabolism
;
Research Support, Non-U.S. Gov't
;
Reverse Transcriptase Polymerase Chain Reaction
;
Toll-Like Receptor 4/metabolism
;
Tumor Necrosis Factor-alpha/pharmacology
;
p38 Mitogen-Activated Protein Kinases/metabolism
9.A Case of Systemic Lupus Erythromatosus Presenting with Periorbital Edema.
Jong Hyung KIM ; Ji Seon OH ; Dong Min KIM ; Seong Jae HUH ; Kyung Hun LIM ; Gi Won DO ; Soon Hyung HONG ; Seung Won CHOI
The Journal of the Korean Rheumatism Association 2010;17(1):62-65
Periorbital edema is a rare manifestation of systemic lupus erythematosus (SLE). We describe here a patient with bilateral periorbital edema as a presenting symptom of SLE. A 23-year-old woman was admitted for a sudden onset of severe periorbital edema that developed 7 days previously. On the basis of the malar rash, arthritis of the right hand and left wrist, leukopenia, proteinuria and the positive anti-nuclear and anti-dsDNA antibodies, she was diagnosed with SLE. Kidney biopsy revealed lupus nephritis (WHO class IV). After treatment with high dose of steroids, intravenous cyclophosphamide and daily hydroxychloroquine, her symptoms resolved, including the periorbital edema. She was discharged with prescriptions for prednisolone and hydroxychloroquine and she remains well.
Antibodies
;
Arthritis
;
Biopsy
;
Cyclophosphamide
;
Edema
;
Exanthema
;
Female
;
Hand
;
Humans
;
Hydroxychloroquine
;
Kidney
;
Leukopenia
;
Lupus Erythematosus, Systemic
;
Lupus Nephritis
;
Prednisolone
;
Prescriptions
;
Proteinuria
;
Steroids
;
Wrist
;
Young Adult
10.A Case of Primary Bilateral B-cell Renal Lymphoma.
Gi Bum KIM ; Seung Hun LEE ; Sang Hyun LIM ; Chi Won SONG ; Hwan Suk CHO ; Sang Soo BAE ; Jae Wan CHO ; Yoon Sik CHANG ; Byung Kee BANG ; Kyoung Mee KIM
Korean Journal of Nephrology 1998;17(4):639-643
Non-Hodgkin's lymphoma frequently involves the kidneys, with previous reports demonstrating approximately a 48 Yo incidence at autopsy. In contrast, lymphoma originating within the kidneys is a rare event, because the renal parenchyma does not have lymphatics. Most common type of primary renal lyrnphoma that calssified by Working formulation and irnmunohistochemistry was diffuse large B-cell, intermediate grade. A 43-year-old woman presented with epigastric discomfort, anorexia, fever, and weight loss. The past rnedical history was unremarkable. On physical examination, she was febrile, and conjunctiva was pale. Lymph node was enlarged and palpated at right inguinal area. But no other lymphadenopathy or hepatosplenomegaly was found. Laboratory study showed WBC 6,900/mm, hemoglobin 6.7g/dL, serum LDH 783IU/L, GFR 31.45 ml/min. The chest X-ray was within normal limit; no mediastinal lympha- denopathy was present. The abdominal X-ray revealed enlargement of right kidney. The abdominal CT scan showed markedly enlarged both kidneys containing inhomogeneous solid masses with poor excretion of intravenous contrast, a few small paraaortic lymphadenopathies, and contour bulging on the pancreas body. A percutaneous renal biopsy was obtained from this patient at the right kidney. Microscopic exarnination showed a diffuse infiltrate of predominantly large lymphoid cells having round to oval vescicular nuclei. Immunohistochemical studies revealed a B-cell-type lymphoma. The tumor was judged to be an intermediate-grade, large-cell, diffused, B-cell-type non-Hodgkin's lymphoma. We report a case of primary bilateral B-cell renal lymphoma in a 43-year-old female patient with review of the literature.
Adult
;
Anorexia
;
Autopsy
;
B-Lymphocytes*
;
Biopsy
;
Conjunctiva
;
Female
;
Fever
;
Humans
;
Incidence
;
Kidney
;
Lymph Nodes
;
Lymphatic Diseases
;
Lymphocytes
;
Lymphoma*
;
Lymphoma, Non-Hodgkin
;
Pancreas
;
Physical Examination
;
Thorax
;
Tomography, X-Ray Computed
;
Weight Loss