1.Comparison of Gene Expression Profile in Eutopic Endometria with or without Endometriosis: A Microarray Study.
Min Ji CHUNG ; Eun jung CHUNG ; Shin Je LEE ; Moon kyu KIM ; Sang Sik CHUN ; Taek Hoo LEE
Korean Journal of Fertility and Sterility 2007;34(1):19-31
OBJECTIVE: Pathogenesis of the endometriosis is very complex and the etiology is still unclear. Our hypothesis is that there may be some difference in gene expression patterns between eutopic endometriums with or without endometriosis. In this study, we analyzed the difference of gene expression profile with cDNA microarray. METHODS: Endometrial tissues were gathered from patients with endometriosis or other benign gynecologic diseases. cDNA microarray technique was applied to screen the different gene expression profiles from early and late secretory phase endometria of those two groups. Each three mRNA samples isolated from early and late secretory phase of endometrial tissues of control were pooled and used as master controls and labeled with Cy3-dUTP. Then the differences of gene expression pattern were screened by comparing eutopic endometria with endometriosis, which were labeled with Cy5-dUTP. Fluorescent labeled probes were hybridized on a microarray of 4,800 human genes. RESULTS: Twelve genes were consistently overexpressed in the endometrium of endometriosis such as ATP synthase H transporting F1 (ATP5B), eukaryotic translation elongation factor 1, isocitrate dehydrogenase 1 (NADP+), mitochondrial ribosomal protein L3, ATP synthase H+ transporting (ATP5C1) and TNF alpha factor. Eleven genes were consistently down-regulated in the endometriosis samples. Many extracellular matrix protein genes (decorin, lumican, EGF-containing fibulin-like extracellular matrix protein 1, fibulin 5, and matrix Gla protein) and protease/protease inhibitors (serine proteinase inhibitor, matrix metalloproteinase 2, tissue inhibitor of metalloproteinase 1), and insulin like growth factor II associated protein were included. Expression patterns of selected eight genes from the cDNA microarray were confirmed by quantitative RT-PCR or real time RT-PCR. CONCLUSION: The result of this analysis supports the hypothesis that the endometrium from patients with endometriosis has distinct gene expression profile from control endometrium without endometriosis.
Adenosine Triphosphate
;
Endometriosis*
;
Endometrium*
;
Extracellular Matrix
;
Female
;
Gene Expression*
;
Genital Diseases, Female
;
Humans
;
Insulin-Like Growth Factor II
;
Isocitrate Dehydrogenase
;
Matrix Metalloproteinase 2
;
Oligonucleotide Array Sequence Analysis
;
Peptide Elongation Factor 1
;
Ribosomal Proteins
;
RNA, Messenger
;
Transcriptome*
2.Occupational Contact Urticaria Syndrome Induced by Cefotiam Dihydrochloride in a Nurse.
Hye Jeong CHOI ; Ji Youn SONG ; Young Min PARK ; Chung Won KIM ; Hyung Ok KIM
Annals of Dermatology 2003;15(3):113-115
We herein report a case of occupational contact urticaria syndrome induced by cefotiam di-hydrochloride in a nurse. She had generalized pruritic wheals accompanied by palpitations and tachypnea during the preparation of cefotiam solution. A scratch patch test with cefotiam di-hydrochloride, a major component of cefotiam ingredient showed multiple erythema and wheals within 5 minutes, accompanied by palpitations and tachypnea. No delayed type reaction was observed. Based on her clinical history and scratch test result, we diagnosed her condition as contact urticaria syndrome caused by cefotiam.
Cefotiam*
;
Erythema
;
Patch Tests
;
Tachypnea
;
Urticaria*
3.Treatment of dystrophic scoliosis in neurofibromatosis.
Se Il SUK ; Choon Ki LEE ; Ji Ho LEE ; Hak Jin MIN ; Sung Soo CHUNG
The Journal of the Korean Orthopaedic Association 1992;27(4):956-962
No abstract available.
Neurofibromatoses*
;
Scoliosis*
4.Whitening effect of novel peptide mixture by regulating melanosome biogenesis, transfer and degradation
Eung-Ji LEE ; Jandi KIM ; Min Kyeong JEONG ; Young Min LEE ; Yong Ji CHUNG ; Eun Mi KIM
The Korean Journal of Physiology and Pharmacology 2021;25(1):15-26
Peptides are short chain of amino acids linked by peptide bonds. They are widely used as effective and biocompatible active ingredients in cosmetic industry. In this study, we developed novel peptide mixture and identified its anti-pigmentation effect on melanocytes and keratinocytes. Our results revealed that peptide mixture inhibited melanosome biogenesis through the regulation of microphthalmia-associated transcription factor, a key factor of melanogenesis in melanocytes. And we observed that peptide mixture inhibited melanosome uptake through the reduction of protease-activated receptor 2, a phagocytosis-related receptor in keratinocytes. Furthermore, peptide mixture activated autophagy system resulting in degradation of transferred melanosomes in keratinocytes. The anti-pigmentation effect of multi-targeting peptide mixture was assessed in a human skin equivalent model (MelanoDerm). Melanin contents in epidermal layer were significantly decreased by topical treatment of peptide mixture, suggesting that it can be applied as a novel cosmetics material having a whitening function.
5.Whitening effect of novel peptide mixture by regulating melanosome biogenesis, transfer and degradation
Eung-Ji LEE ; Jandi KIM ; Min Kyeong JEONG ; Young Min LEE ; Yong Ji CHUNG ; Eun Mi KIM
The Korean Journal of Physiology and Pharmacology 2021;25(1):15-26
Peptides are short chain of amino acids linked by peptide bonds. They are widely used as effective and biocompatible active ingredients in cosmetic industry. In this study, we developed novel peptide mixture and identified its anti-pigmentation effect on melanocytes and keratinocytes. Our results revealed that peptide mixture inhibited melanosome biogenesis through the regulation of microphthalmia-associated transcription factor, a key factor of melanogenesis in melanocytes. And we observed that peptide mixture inhibited melanosome uptake through the reduction of protease-activated receptor 2, a phagocytosis-related receptor in keratinocytes. Furthermore, peptide mixture activated autophagy system resulting in degradation of transferred melanosomes in keratinocytes. The anti-pigmentation effect of multi-targeting peptide mixture was assessed in a human skin equivalent model (MelanoDerm). Melanin contents in epidermal layer were significantly decreased by topical treatment of peptide mixture, suggesting that it can be applied as a novel cosmetics material having a whitening function.
6.Electrolyte Imbalance in Patients with Sheehan's Syndrome.
Chur Hoan LIM ; Ji Hyun HAN ; Joon JIN ; Ji Eun YU ; Jin Ook CHUNG ; Dong Hyeok CHO ; Dong Jin CHUNG ; Min Young CHUNG
Endocrinology and Metabolism 2015;30(4):502-508
BACKGROUND: We investigated the prevalence of electrolyte imbalance and the relationship between serum electrolyte and anterior pituitary hormone levels in patients with Sheehan's syndrome. METHODS: In a retrospective study, we investigated 78 patients with Sheehan's syndrome. We also included 95 normal control subjects who underwent a combined anterior pituitary hormone stimulation test and showed normal hormonal responses. RESULTS: In patients with Sheehan's syndrome, the serum levels of sodium, potassium, ionized calcium, magnesium, and inorganic phosphate were significantly lower than those in control subjects. The prevalence of hyponatremia, hypokalemia, hypocalcemia, hypomagnesemia, and hypophosphatemia in patients with Sheehan's syndrome was 59.0% (n=46), 26.9% (n=21), 35.9% (n=28), 47.4% (n=37), and 23.1% (n=18), respectively. Levels of sodium and ionized calcium in serum were positively correlated with levels of all anterior pituitary hormones (all P<0.05). Levels of potassium in serum were positively correlated with adrenocorticotrophic hormone (ACTH) and growth hormone (GH) levels (all P<0.05). Levels of inorganic phosphate in serum were positively correlated with levels of thyroid-stimulating hormone, prolactin, and GH (all P<0.05), and levels of magnesium in serum were positively correlated with delta ACTH (P<0.01). CONCLUSION: Electrolyte imbalance was common in patients with Sheehan's syndrome. Furthermore, the degree of anterior pituitary hormone deficiency relates to the degree of electrolyte disturbance in patients with this disease.
Adrenocorticotropic Hormone
;
Calcium
;
Electrolytes
;
Growth Hormone
;
Humans
;
Hypocalcemia
;
Hypokalemia
;
Hyponatremia
;
Hypophosphatemia
;
Hypopituitarism*
;
Magnesium
;
Pituitary Hormones, Anterior
;
Potassium
;
Prevalence
;
Prolactin
;
Retrospective Studies
;
Sodium
;
Thyrotropin
7.Orientation of the ultrasound probe to identify the taller-than-wide sign of thyroid malignancy: a registry-based study with the Thyroid Imaging Network of Korea
Min Ji HONG ; Young Hen LEE ; Ji-hoon KIM ; Dong Gyu NA ; Sung-Hye YOU ; Ji Eun SHIN ; Seul Kee KIM ; Kyung-Sook YANG ;
Ultrasonography 2023;42(1):111-120
Purpose:
Although the taller-than-wide (TTW) sign has been regarded as one of the most specific ultrasound (US) features of thyroid malignancy, uncertainty still exists regarding the US probe’s orientation when evaluating it. This study investigated which US plane would be optimal to identify the TTW sign based on malignancy risk stratification using a registry-based imaging dataset.
Methods:
A previous study by 17 academic radiologists retrospectively analyzed the US images of 5,601 thyroid nodules (≥1 cm, 1,089 malignant and 4,512 benign) collected in the webbased registry of Thyroid Imaging Network of Korea through the collaboration of 26 centers. The present study assessed the diagnostic performance of the TTW sign itself and fine needle aspiration (FNA) indications via a comparison of four international guidelines, depending on the orientation of the US probe (criterion 1, transverse plane; criterion 2, either transverse or longitudinal plane).
Results:
Overall, the TTW sign was more frequent in malignant than in benign thyroid nodules (25.3% vs. 4.6%). However, the statistical differences between criteria 1 and 2 were negligible for sensitivity, specificity, and area under the curve (AUC) based on the size effect (all P<0.05, Cohen’s d=0.19, 0.10, and 0.07, respectively). Moreover, the sensitivity, specificity, and AUC of the four FNA guidelines were similar between criteria 1 and 2 (all P>0.05, respectively).
Conclusion
A longitudinal US probe orientation provided little additional diagnostic value over the transverse orientation in detecting the TTW sign of thyroid nodules.
8.Recurrence of Punctate Inner Choroidopathy with an Intravitreal Dexamethasone Implant.
Min Ho SHIN ; Hyun Ji KANG ; In Young CHUNG
Journal of the Korean Ophthalmological Society 2017;58(11):1282-1288
PURPOSE: To report a case of punctate inner choroidopathy (PIC) treated with an intravitreal dexamethasone implant due to side effects of systemic steroid treatment. CASE SUMMARY: A 23-year-old highly myopic female who presented with PIC in her right eye was treated with an intravitreal dexamethasone implant due to side effects of systemic steroid treatment including facial edema and sleep disturbances. Three months after the implant she complained of severe acute visual disturbances in her right eye. Her visual acuity was classified as hand movement. Choroidal neovascularization (CNV) was observed on optical coherence tomography and indocyanine green angiography revealed more multiple hypofluorescent lesions compared to the initial visit. Six months after the systemic steroid and intravitreal bevacizumab injection treatments, visual acuity in right eye improved and the CNV disappeared. CONCLUSIONS: This report describes a case of PIC after, treatment with an intravitreal dexamethasone implant due to the side effects of systemic steroid treatment, which recurred with complications.
Angiography
;
Bevacizumab
;
Choroidal Neovascularization
;
Dexamethasone*
;
Edema
;
Female
;
Hand
;
Humans
;
Indocyanine Green
;
Recurrence*
;
Tomography, Optical Coherence
;
Visual Acuity
;
Young Adult
9.Transient Myopic Shift Due to Increased Latent Accommodation after LASEK.
Gyu Ah KIM ; Ji Min AHN ; Woo Suk CHUNG
Journal of the Korean Ophthalmological Society 2014;55(1):40-46
PURPOSE: To investigate accommodation and progress of patients who showed myopia on manifest refraction in the early postoperative period after LASEK. METHODS: Forty-one eyes were included in the present study which had undergone LASEK surgery from February to March 2012. Seven eyes showed myopia over -0.25 D on manifest refraction at 1 month postoperatively, but showed decreased amount of myopia at 2 months postoperatively and were classified as group 1. The other 34 eyes were classified as group 2. The differences between cycloplegic and manifest refraction (CRSE-MRSE) were defined as the amount of latent accommodation and compared between the 2 groups. RESULTS: Amount of latent accommodation was 0.179 +/- 0.426 D in group 1 (7 eyes), 0.265 +/- 0.303 D in group 2 (34 eyes) preoperatively, 1.286 +/- 0.664 D in group 1, 0.368 +/- 0.536 D in group 2 at 1 month postoperatively, and 0.500 +/- 0.520 D in group 1, and 0.489 +/- 0.546 D in group 2 at 2 months postoperatively. The amount of latent accommodation in group 1 was significantly greater than that of group 2 one month postoperatively. As the amount of latent accommodation decreased, the amount of myopic shift decreased gradually over 2 months in group 1 after surgery. CONCLUSIONS: Transient myopic shift due to increased latent accommodation was observed in several patients one month postoperatively and the amount of myopic shift decreased with time without treatment. Thus, surgeons should consider cycloplegic refraction when planning treatment for patients with myopic regression.
Humans
;
Keratectomy, Subepithelial, Laser-Assisted*
;
Myopia
;
Postoperative Period
10.Reduction of Zygomatic Fractures Using the Carroll-Girard T-bar Screw.
Ji Eun BAEK ; Chan Min CHUNG ; In Pyo HONG
Archives of Plastic Surgery 2012;39(5):556-560
Zygomatic fractures are the second most common facial bone fractures encountered and treated by plastic surgeons. Stable fixation of fractured fragments after adequate exposure is critical for ensuring three-dimensional anatomic reduction. Between January 2008 and December 2010, 17 patients with zygomatic fractures were admitted to our hospital; there were 15 male and 2 female patients. The average age of the patients was 41 years (range, 19 to 75 years). We exposed the inferior orbital rim and zygomatic complex through a lateral brow, intraoral, and subciliary incisions, which allowed for visualization of the bone, and then the fractured parts were corrected using the Carroll-Girard T-bar screw. Postoperative complications such as malar asymmetry, diplopia, enophthalmos, and postoperative infection were not observed. Lower eyelid retraction and temporary ectropion occurred in 1 of the 17 patients. Functional and cosmetic results were excellent in nearly all of the cases. In this report, we describe using the Carroll-Girard T-bar screw for the reduction of zygomatic fractures. Because this instrument is easy to use and can rotate to any direction and vector, it can be used to correct displaced zygomatic bone more accurately and safely than other devices, without leaving facial scars.
Cicatrix
;
Cosmetics
;
Diplopia
;
Ectropion
;
Enophthalmos
;
Equipment and Supplies
;
Eyelids
;
Facial Bones
;
Female
;
Humans
;
Male
;
Orbit
;
Postoperative Complications
;
Reconstructive Surgical Procedures
;
Zygomatic Fractures