1.A Case of Dirty Neck' of Atopics.
Dong Won LEE ; Dae Gyoo BYUN ; Mi Kyung CHA ; Jin Won KIM
Korean Journal of Dermatology 1994;32(1):198-201
We report a case of Dirty Neck in a 27-year-old male suffering from severe atopic dermatitis. 'Dirty Neck', a reticulate pigmentation of the anterior and anterolateral aspects of the neck, is a specific finding in some subjects with atopic dermatitis. Two groups have been indentified. One is found in older patients with severe atopic dermatitis whose pigmentary lesions develop after puberty and show little seasonal variation. The other is found in younger patients with mild eczema who have a increase in pigment during the summer. Our patient showed a dark brown colored, linear, reticulate pigmentation of the neck, especially anterolateral aspeet regarded as the former group. More comprehensive and detailed clinical study is needed to evaluate the importanee of this entity in regard to as a minor clinical feature of Korean atopic dermatitis.
Adolescent
;
Adult
;
Dermatitis, Atopic
;
Eczema
;
Humans
;
Male
;
Neck
;
Pigmentation
;
Puberty
;
Seasons
2.Cloning and expression of trypsin-encoding cDNA from Blattella germanica and its possibility as an allergen.
Mee Sun OCK ; Bong Jin KIM ; Sun Mi KIM ; Kang Hyun BYUN
The Korean Journal of Parasitology 2005;43(3):101-110
In this study, the trypsin gene (bgtryp-1) from the German cockroach, Blattella germanica, was cloned via the immunoscreening of patients with allergies to cockroaches. Nucleotide sequence analysis predicted an 863 bp open reading frame which encodes for 257 amino acids. The deduced amino acid sequence exhibited 42-57% homology with the serine protease from dust mites, and consisted of a conserved catalytic domain (GDSGGPLV). bgtryp-1 was determined by both Northern and Southern analysis to be a 0.9 kb, single-copy gene. SDS-PAGE and Western blotting analyses of the recombinant protein (Bgtryp-1) over-expressed in Escherichia coli revealed that the molecular mass of the expressed protein was 35 kDa, and the expressed protein was capable of reacting with the sera of cockroach allergy patients. We also discussed the possibility that trypsin excreted by the digestive system of the German cockroach not only functions as an allergen, but also may perform a vital role in the activation of PAR-2.
Allergens/analysis/chemistry/*genetics
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Amino Acid Sequence
;
Base Sequence
;
Blattellidae/*genetics
;
Blotting, Western
;
Catalytic Domain/genetics
;
DNA, Complementary/genetics
;
Escherichia coli/metabolism
;
Female
;
*Genes, Insect
;
Humans
;
Male
;
Molecular Sequence Data
;
Molecular Weight
;
Receptor, PAR-2/metabolism
;
Recombinant Proteins/analysis/biosynthesis/chemistry
;
Research Support, Non-U.S. Gov't
;
Sequence Alignment
;
Sequence Homology, Amino Acid
;
Trypsin/analysis/chemistry/*genetics
3.A Clinical Study in Nulliparous Women: Age 35 and Older.
Jin Ok SHIN ; Jeong Eun KIM ; Eun Mi KIM ; Ho Joon KIM ; Byung Ryung KIM ; Ji Soo BYUN
Korean Journal of Obstetrics and Gynecology 1998;41(12):3049-3052
OBJECTIVE: To compare pregnancy and delivery complications in first births between women 35 years or older and those who are younger. METHODS: Matemal and newborn records for first births at Chonnam university hospital from January 1, 1988 to December 31, 1996 were studied. The study group included 123 women who were 35 years or older. A control group consisting of 120 younger women was used for comparison. The X2 test was used to identify trends in individual variables and outcomes. RESULTS: Premature rupture of membrane, uterine myoma, and malpresentation were much mare prevalent in the older nullipara. However, there were no significant differences in incidences of preeclampsia, placenta previa, and pyelonephritis between the older nullipara and younger nullipara groups. Older nullipara had a significantly higher incidence of Cesarean delivery than younger women, Elective cesarean section was performed only in the older nullipara and it was the most common indication for Cesarean delivery in older nullipara. Fetal distress and breech presentation as indications for Cesarean delivery were significantly more common in the older study group. There were no noticeable differences in postpartal complication between the groups. Pretam birth and low birth weight were much more common in the older nullipara. but there were no significant differences in small for gestational age, low Apgar score, perinatal morbidity and deaths between the groups. CONCLUSION: From the results, it was difficult to conclude that women 35 or older are pmne to higher risk pregnancies, compared to their younger counterparts. Although more incidences of premature rupture of membrane, preterm delivery, and Cesarean delivery were observed, there were no significant differences in other pregnancy and delivery complications. With appropriate obstetric care, it is most probable that first time pregnancies in older women will result in similar outcome as those in younger women.
Apgar Score
;
Birth Order
;
Breech Presentation
;
Cesarean Section
;
Female
;
Fetal Distress
;
Gestational Age
;
Humans
;
Incidence
;
Infant, Low Birth Weight
;
Infant, Newborn
;
Jeollanam-do
;
Leiomyoma
;
Membranes
;
Parturition
;
Placenta Previa
;
Pre-Eclampsia
;
Pregnancy
;
Pyelonephritis
;
Rupture
4.Cysteine-179 of I kappa B kinase beta plays a critical role in enzyme activation by promoting phosphorylation of activation loop serines.
Mi Sun BYUN ; Jin CHOI ; Dae Myung JUE
Experimental & Molecular Medicine 2006;38(5):546-552
I kappa B kinase beta (IKK beta) subunit of IKK complex is essential for the activation of NF-kappa B in response to various proinflammatory signals. Cys-179 in the activation loop of IKK beta is known to be the target site for IKK inhibitors such as cyclopentenone prostaglandins, arsenite, and antirheumatic gold compounds. Here we show that a mutant IKK beta in which Cys-179 is substituted with alanine had decreased activity when it was expressed in HEK-293 cells, and TNF stimulation did not restore the activity. Phosphorylation of activation loop serines (Ser-177 and Ser-181) which is required for IKK beta activation was reduced in the IKK beta (C179A) mutant. The activity of IKK beta (C179A) was partially recovered when its phosphorylation was enforced by coexpression with mitogen-activated protein kinase kinase kinases (MAPKKK) such as NF-kappa B inducing kinase (NIK) and MAPK/extracellular signal-regulated kinase kinase kinase 1(MEKK1) or when the serine residues were replaced with phospho-mimetic glutamate. The IKK beta (C179A) mutant was normal in dimer formation, while its activity abnormally responded to the change in the concentration of substrate ATP in reaction mixture. Our results suggest that Cys-179 of IKK beta plays a critical role in enzyme activation by promoting phosphorylation of activation-loop serines and interaction with ATP.
Transfection
;
Serine/*metabolism
;
Protein Binding
;
Phosphorylation
;
Mutant Proteins/chemistry
;
MAP Kinase Kinase Kinases/metabolism
;
I-kappa B Kinase/*chemistry
;
Humans
;
Hela Cells
;
Enzyme Activation/*physiology
;
Cysteine/*physiology
;
Cells, Cultured
;
Catalytic Domain
;
Amino Acid Substitution/physiology
;
Adenosine Triphosphate/metabolism
5.Effect of phenobarbital pretreatment on the hepatotoxicity of carbon tetrachloride in rat.
Young Soo BYUN ; Hae Joo NAM ; Mi Jin KIM ; Dong Suk KIM ; Won Hee CHOI ; Tae Sook LEE
Yeungnam University Journal of Medicine 1992;9(1):137-148
The purpose of this study was to evaluate the influence of phenobarbital (PB) on hepatotoxic effect of carbon tetrachloride (CCI4) which induces centrilobular necrosis in liver. Rats were injected intraperitoneally CCI4 dissolved in olive oil by a dose of 0.4 mg/kg. For change related to PB pretreatment, rats were injected CCI₄ 0.4mg/kg after PB pretreatment. The liver samples were taken in 6, 12, 24, 48, 72 and 120 hours after CCI₄ and/ or PB injection. Extracted liver tissue was examined with light and electron microscopes. The results were summarized as follows: 1. Light microscopic findings: In CCI₄ group, centrilobular necrosis developed from 6 hours after injection, was the most severe in 48 hours, and recovered after 72 hours. In addition to necrosis, fatty change and pale cell change were accompanied. In PB-CCI4 group, necrosis occurred from 6 hours after CCI₄ injection and continued to 72 hours, and the degree of necrosis was more severe than that of CCI₄ group and pale cell change was decreased. 2. Electron microscopic findings: In CCI4 group, the early principal change was clumping and vesicular dilatation of endoplasmic reticulum. In PB-CCI₄ group, the degenerative change of endoplasmic reticulum was aggravated and the mitochondria also revealed severe degenerative change. According to the results, it was revealed that CCI₄ hepatotoxicity primarily began with the damage of endoplasmic reticulum, then damage of other cell organelles and cell necrosis followed, and these cytotoxic effects were aggravated by PB pretreatment.
Animals
;
Carbon Tetrachloride*
;
Carbon*
;
Dilatation
;
Endoplasmic Reticulum
;
Liver
;
Mitochondria
;
Necrosis
;
Olive Oil
;
Organelles
;
Phenobarbital*
;
Rats*
6.The Efficacy of Recombinant Human Follicle Stimulating Hormone (rhFSH) in Human IVF-ET Program.
Kuk Sun HAN ; Hong Bok LEE ; In Ok SONG ; Yong Seog PARK ; Hye Kyung BYUN ; Jin Hyun JUN ; Mi Kyoung KOONG
Korean Journal of Fertility and Sterility 2002;29(1):45-56
OBJECTIVES: Recently, recombinant FSH (rFSH) has been manufactured using a Chinese hamster ovary cell line transfected with the gene encoding human FSH. Both rFSH and urinary gonadotropin (uFSH) could be used for controlled ovarian hyperstimulation (COH). However, uFSH implies a number of disadvantages, such as batch-to-batch inconsistency, no absolute source control, dependence on large amounts of urine, low specific activity, and low purity. The purpose of this study was to evaluate the efficacy of rFSH in human IVF-ET program. MATERIALS AND METHODS: A total of 508 infertile women was enrolled in this study. They are classified into rFSH group (n=177) or uFSH group (n=331), and all of them were matched by age and cause of infertility in same period. The Puregon(R) (Organon, Holland) was used as rFSH, and the Metrodin-HP(R) (Serono, Switzeland) and Humegon(R) (Organon, Holland) was used as uFSH. We subdivided the patients into three age groups. The outcomes of IVF-ET program were analyzed using the statistical package for social sciences (SPSS). RESULTS: There was no significant differences in the level of estradiol on hCG injection day, the numbers of retrieved oocytes, matured oocytes, fertilized oocytes, transferred embryos, frozen embryos between the two groups. The total dose (IU) of gonadotropin for COH was significantly lower in the rFSH group compared to uFSH group (1339+/-5491.1 vs 2527.8+/-1075.2 IU, p<0.001). Clinical pregnancy rate per embryo transfer in the rFSH group showed increasing tendency, compared to the uFSH group, but there was no statistical significance (35.2% vs 29.3%). Our results demonstrated that the relative efficiency of rFSH compared with uFSH is higher in older patients. CONCLUSIONS: The ovarian stimulatory effect and clinical outcome of recombinant FSH was similar to that of the urinary gonadotropin. The IVF-ET cycles with significantly lower dose of gonadotropin in rFSH group showed comparable results. Therefore, we suggest that recombinant FSH is more potent and effective than urinary gonadotropin.
Animals
;
Cell Line
;
Cricetinae
;
Cricetulus
;
Embryo Transfer
;
Embryonic Structures
;
Estradiol
;
Female
;
Follicle Stimulating Hormone, Human*
;
Gonadotropins
;
Humans*
;
Infertility
;
Oocytes
;
Ovary
;
Pregnancy Rate
;
Social Sciences
7.Influence of Nurses' Moral Distress and Ethical Nursing Competence on Retention Intention
Ji-Hyun CHOI ; Mi-Jin BYUN ; Thi Ninh DO
Journal of Korean Academy of Nursing Administration 2025;31(1):36-44
Purpose:
This study aimed to ascertain the influence of moral distress and ethical nursing competence on retention intention among nurses.
Methods:
Participants included 191 nurses working in general hospitals. Data were collected from July 11 to 18, 2023 and analyzed using SPSS/WIN 23.0.
Results:
Factors Influencing retention intention were clinical experience in the present department (β=.22, t=3.20, p=.002), moral distress (β=-.22, t=-3.15, p=.002) and ethical nursing competence (β=.26, t=3.82, p<.001). These variables accounted for 19.7% of nurses' retention intentions.
Conclusion
Based on our findings, it is necessary to identify interventions aimed at alleviating moral distress, and establish and implement systematic programs to improve ethical nursing competence in order to increase the retention intention of nurses.
8.Influence of Nurses' Moral Distress and Ethical Nursing Competence on Retention Intention
Ji-Hyun CHOI ; Mi-Jin BYUN ; Thi Ninh DO
Journal of Korean Academy of Nursing Administration 2025;31(1):36-44
Purpose:
This study aimed to ascertain the influence of moral distress and ethical nursing competence on retention intention among nurses.
Methods:
Participants included 191 nurses working in general hospitals. Data were collected from July 11 to 18, 2023 and analyzed using SPSS/WIN 23.0.
Results:
Factors Influencing retention intention were clinical experience in the present department (β=.22, t=3.20, p=.002), moral distress (β=-.22, t=-3.15, p=.002) and ethical nursing competence (β=.26, t=3.82, p<.001). These variables accounted for 19.7% of nurses' retention intentions.
Conclusion
Based on our findings, it is necessary to identify interventions aimed at alleviating moral distress, and establish and implement systematic programs to improve ethical nursing competence in order to increase the retention intention of nurses.
9.Influence of Nurses' Moral Distress and Ethical Nursing Competence on Retention Intention
Ji-Hyun CHOI ; Mi-Jin BYUN ; Thi Ninh DO
Journal of Korean Academy of Nursing Administration 2025;31(1):36-44
Purpose:
This study aimed to ascertain the influence of moral distress and ethical nursing competence on retention intention among nurses.
Methods:
Participants included 191 nurses working in general hospitals. Data were collected from July 11 to 18, 2023 and analyzed using SPSS/WIN 23.0.
Results:
Factors Influencing retention intention were clinical experience in the present department (β=.22, t=3.20, p=.002), moral distress (β=-.22, t=-3.15, p=.002) and ethical nursing competence (β=.26, t=3.82, p<.001). These variables accounted for 19.7% of nurses' retention intentions.
Conclusion
Based on our findings, it is necessary to identify interventions aimed at alleviating moral distress, and establish and implement systematic programs to improve ethical nursing competence in order to increase the retention intention of nurses.
10.Influence of Nurses' Moral Distress and Ethical Nursing Competence on Retention Intention
Ji-Hyun CHOI ; Mi-Jin BYUN ; Thi Ninh DO
Journal of Korean Academy of Nursing Administration 2025;31(1):36-44
Purpose:
This study aimed to ascertain the influence of moral distress and ethical nursing competence on retention intention among nurses.
Methods:
Participants included 191 nurses working in general hospitals. Data were collected from July 11 to 18, 2023 and analyzed using SPSS/WIN 23.0.
Results:
Factors Influencing retention intention were clinical experience in the present department (β=.22, t=3.20, p=.002), moral distress (β=-.22, t=-3.15, p=.002) and ethical nursing competence (β=.26, t=3.82, p<.001). These variables accounted for 19.7% of nurses' retention intentions.
Conclusion
Based on our findings, it is necessary to identify interventions aimed at alleviating moral distress, and establish and implement systematic programs to improve ethical nursing competence in order to increase the retention intention of nurses.