1.Resveratrol inhibits cell growth via targeting the Bmi-1 pathway in YD-10B human oral squamous cell carcinoma cells
Kyoung-Eun PARK ; Chang Youp OK ; Hye-Ock JANG ; Moon-Kyoung BAE ; Soo-Kyung BAE
International Journal of Oral Biology 2020;45(3):115-125
Resveratrol has been reported to exert anticancer activity via modulation of multiple pathways and genes. In this study, we examined the effect of resveratrol on YD-10B human oral squamous cell carcinoma cells and its molecular mechanisms of action. We found that resveratrol inhibited the proliferation of YD-10B cells in a dose- and timedependent manner. The suppressive effect of resveratrol was accompanied by a reduction in Bmi-1 gene expression.We observed that silencing the Bmi-1 gene by small interfering RNA effectively downregulated the levels of GLUT1 mRNA and protein, which were also repressed by resveratrol. Bmi-1 silencing increased the number of YD-10B cells in S-phase arrest by approximately 2.3-fold compared with the control. In conclusion, the results of the present study demonstrate, for the first time, that resveratrol suppresses Bmi-1-mediated GLUT1 expression in human oral squamous cell carcinoma cells and suggest that the specific molecular targeting of Bmi-1 and/or GLUT1 expression can be combined with a chemotherapeutic strategy to improve the response of oral cancer cells to resveratrol.
2.Scores of SNAP and SNAP Variants Indices for Evaluation of Acute Severity in Newborn Infants.
Sun Kyoung KIM ; Yoon Hee MOON ; Chong Woo BAE
Journal of the Korean Society of Neonatology 2006;13(1):40-46
PURPOSE: The score for neonatal acute physiology (SNAP) based on physiologic derangements, is applied to variable fields including morbidity as well as mortality estimate. We evaluate the clinical usefulness of SNAP and SNAP variants for neonatal acute severity and mortality. METHODS: Twenty-one neonates were evaluated the SNAP, SNAP-PE, SNAP-II, and SNAPPE-II, who survived more than 24 hours in Neonatal Intensive Care Unit in Department of Pediatrics, Kyunghee University from July 2003 to December 2004. A study group included 21 neonates as death group and a control group matched for gestational age and birth weight. We analyzed the differences of clinical usefulness of SNAP and SNAP variants indices between the two groups. RESULTS: 1) SNAP:The scores were ranged 2-18 (median 6.5) in survival group and 9-31 (median 13.0) in death group. 2) SNAP-PE:The scores were ranged 2-48 (median 16.5) in survival group and 23-75 (median 32.0) in death group. 3) SNAP-II:The scores were ranged 0-16 (median 10.5) in survival group and 10-62 (median 21.0) in death group. 4) SNAPPE-II:The scores were ranged 0-45 (median 24.5) in survival group and 35-109 (median 44.0) in death group. The median values were higher in those who were died:SNAP<0.05 (P-value), SNAP-PE<0.01, SNAP-II<0.01, SNAPPE-II<0.01 showing the significant differences. CONCLUSION: The study shows that SNAP and SNAP variables are useful for the evaluation of acute severity and excellent predictors of neonatal survival. They would help the management of neonatal intensive care unit.
Birth Weight
;
Gestational Age
;
Humans
;
Infant, Newborn*
;
Intensive Care, Neonatal
;
Mortality
;
Pediatrics
;
Physiology
3.Clinical Study on Massive Fetomaternal Hemorrhage.
Hea Kyoung KIM ; Moon Young CHOI ; Hye Sun YOON ; Bo Young YUN ; Sun Whan BAE ; Dong Woo SON
Korean Journal of Perinatology 2001;12(3):267-273
No abstract available.
Female
;
Fetomaternal Transfusion*
;
Pregnancy
4.Interferon-beta Induced Skin Necrosis.
Gee Young BAE ; Young Il CHUNG ; Kyung II PARK ; Mi Woo LEE ; Kee Chan MOON ; Jai Kyoung KOH
Annals of Dermatology 2003;15(3):119-121
Local cutaneous reactions have been reported at injection sites of interferon therapy, but these are usually erythema or rarely induration. Skin necrosis at the injection site is rare. We describe here a patient with multiple sclerosis who presented with cutaneous necrosis at the injection sites of interferon-β. Biopsy of the necrotic lesion showed dermal vessel thrombosis and complete ischemic coagulative necrosis of epidermis and dermis.
Biopsy
;
Dermis
;
Epidermis
;
Erythema
;
Humans
;
Interferon-beta*
;
Interferons
;
Multiple Sclerosis
;
Necrosis*
;
Skin*
;
Thrombosis
5.A case of water birth.
Moon Il PARK ; Dong Yul SHIN ; Jong Woon BAE ; Hyun Hee KIM ; Sung Ro CHUNG ; Kyoung Hun KIM ; Soo Jee MOON
Korean Journal of Obstetrics and Gynecology 2000;43(2):322-329
Recently, water birth - labor and/or delivery under warm water - is acceptable and natural to many foreign countries as a method of gentle birth. Although some limitations after water birth were reported, a recent international conference explored many of the issuses and indicated the potential scale and the advantages for its inclusion among the options for labor and delivery under water. We experienced a case of water birth who underwent labor and delivery under water. She delivered normal healthy female baby without conventional episiotomy. No obstetrical ans fetal complications were observed during entire procedure of water birth. So, we report this case with brief review of the literatures.
Episiotomy
;
Female
;
Humans
;
Parturition*
6.Migrating motor complex changes after side-to-side ileal bypass in mouse ileum ex-vivo: mechanism underlying the blind loop syndrome?.
Suk Bae MOON ; Kyu Joo PARK ; Jung Sun MOON ; Eun Kyoung CHOE ; In Suk SO ; Sung Eun JUNG
Journal of the Korean Surgical Society 2011;80(4):251-259
PURPOSE: This study was intended to investigate the migrating motor complex (MMC) changes after ileal bypass in ex-vivo mouse models. METHODS: Partial (side-to-side) and total bypass (occlusion of proximal part of bypassed loop) were performed on ileums of female Institute of Cancer Research mice. After 2 and 4 weeks, the bypassed segments were harvested and MMCs were recorded at 4 different sites ex-vivo. Amplitude, duration, interval, direction of propagation, and the area under the curve (AUC) of MMCs were measured and compared to those of the controls. RESULTS: In control mice (n = 7), most MMCs propagated aborally (91.1%). After 2 weeks of partial bypass (n = 4), there was a significant decrease in both amplitude and AUC, and orally-propagating MMCs increased significantly (45%, P = 0.002). Bidirectional MMCs (originating in the bypassed loop and propagating in both directions) were also observed (10%). The amplitude of the MMCs remained decreased at 4 weeks after partial bypass (n = 4), and neither the AUC nor the direction of propagation showed significant changes compared to 2 weeks. Similarly, in the total bypass model, both the amplitude and AUC of the MMCs decreased significantly compared to controls. In contrast to partial bypass, 95% of the MMCs within the bypassed loop propagated aborally after 2 weeks (n = 6), which was similar to the control state. After 4 weeks (n = 5), however, MMCs either lost their temporal relationship or completely disappeared. CONCLUSION: The changes in propagation direction of the MMCs in the partially bypassed loop may contribute to stagnation of bowel contents and the development of blind loop syndrome.
Animals
;
Area Under Curve
;
Blind Loop Syndrome
;
Female
;
Humans
;
Ileum
;
Jejunoileal Bypass
;
Mice
;
Myoelectric Complex, Migrating
7.A Case of Thyrotoxic Periodic Paralysis in a 16-Year-Old Adolescent.
Moon Bae AHN ; You Jin JUNG ; Moon Hee LEE ; Won Kyoung CHO ; Byung Kyu SUH
Annals of Pediatric Endocrinology & Metabolism 2012;17(2):117-121
Thyrotoxic periodic paralysis (TPP) is a transient illness characterized by muscle weakness often associated with hypokalemia during thyrotoxic state. Hypokalemia is induced by thyroid hormone excess through stimulation of Na-K ATPase which pumps extracellular potassium ions into the cell. Muscle weakness resolves when serum potassium level is corrected, but the condition may recur when there is thyrotoxicosis. TPP is most commonly reported in Asian males aged between 20 to 40 years and it is rare in children and adolescents. We report a 16-year-old patient previously diagnosed with Graves' disease who showed recurrent episodes of TPP.
Adenosine Triphosphatases
;
Adolescent
;
Aged
;
Asian Continental Ancestry Group
;
Child
;
Graves Disease
;
Humans
;
Hyperthyroidism
;
Hypokalemia
;
Hypokalemic Periodic Paralysis
;
Ions
;
Male
;
Muscle Weakness
;
Paralysis
;
Potassium
;
Thyroid Gland
;
Thyrotoxicosis
8.A Case of Thyrotoxic Periodic Paralysis in a 16-Year-Old Adolescent.
Moon Bae AHN ; You Jin JUNG ; Moon Hee LEE ; Won Kyoung CHO ; Byung Kyu SUH
Annals of Pediatric Endocrinology & Metabolism 2012;17(2):117-121
Thyrotoxic periodic paralysis (TPP) is a transient illness characterized by muscle weakness often associated with hypokalemia during thyrotoxic state. Hypokalemia is induced by thyroid hormone excess through stimulation of Na-K ATPase which pumps extracellular potassium ions into the cell. Muscle weakness resolves when serum potassium level is corrected, but the condition may recur when there is thyrotoxicosis. TPP is most commonly reported in Asian males aged between 20 to 40 years and it is rare in children and adolescents. We report a 16-year-old patient previously diagnosed with Graves' disease who showed recurrent episodes of TPP.
Adenosine Triphosphatases
;
Adolescent
;
Aged
;
Asian Continental Ancestry Group
;
Child
;
Graves Disease
;
Humans
;
Hyperthyroidism
;
Hypokalemia
;
Hypokalemic Periodic Paralysis
;
Ions
;
Male
;
Muscle Weakness
;
Paralysis
;
Potassium
;
Thyroid Gland
;
Thyrotoxicosis
9.Porphyromonas gingivalis Lipopolysaccharide Regulates Migration of Vascular Smooth Muscle Cells.
Yeon KIM ; So Jeong KIM ; Mi Kyoung KIM ; Hyun Joo PARK ; Hyung Joon KIM ; Soo Kyung BAE ; Moon Kyoung BAE
International Journal of Oral Biology 2016;41(4):217-223
Porphyromonas gingivalis, a foremost periodontal pathogen, has been known to cause periodontal diseases. Epidemiologic evidences have indicated the involvement of P. gingivalis in the development of cardiovascular diseases. In this study, we show that the P. gingivalis lipopolysaccharide increases the mRNA expression and protein secretion of interleukin-6 in vascular smooth muscle cells. We demonstrate that P. gingivalis LPS activates the extracellular signal-regulated kinase 1/2 (ERK1/2), p38 mitogen-activated protein kinase (MAPK), and Akt, which mediate the IL-6 expression in vascular smooth muscle cells. Also, P. gingivalis LPS stimulates the vascular smooth muscle cell migration, which is a critical step for the progression of atherosclerosis. Moreover, neutralization of the IL-6 function inhibits the migration of vascular smooth muscle cells induced by P. gingivalis LPS. Taken together, these results indicate that P. gingivalis LPS promotes the expression of IL-6, which in turn increases the migration of vascular smooth muscle cells.
Atherosclerosis
;
Cardiovascular Diseases
;
Cell Movement
;
Interleukin-6
;
Muscle, Smooth, Vascular*
;
Periodontal Diseases
;
Phosphotransferases
;
Porphyromonas gingivalis*
;
Porphyromonas*
;
Protein Kinases
;
RNA, Messenger
10.A Neuromedin B Receptor Blockade Inhibits the Growth of Human Oral Cancer Cells.
Hyun Joo PARK ; Jae Hoon JEON ; Mi Kyoung KIM ; Mi Heon RYU ; Yong Deok KIM ; Soo Kyung BAE ; Moon Kyoung BAE
International Journal of Oral Biology 2014;39(1):1-7
Neuromedin B (NMB) acts as a growth factor or a morphogen and plays a role in cancer progression. Indeed, the NMB receptor (NMB-R) is overexpressed in different types of tumors. In our current study, we investigated the involvement of NMB-R in the proliferation of oral cancer cells. Human oral squamous cell carcinoma (SCC) and human oral cancer cells, SCC-25 cells were found to be NMB-R-positive. The NMB-R antagonist PD168368 inhibited the proliferation of SCC-25 cells and reduced their colony formation capacity. We also found that PD168368 induced the cell cycle arrest and apoptosis of SCC-25 cells in a dose-/time-dependent manner. Overall, this antitumor activity of PD168368 in human oral cancer cells suggests that NMB-R is a potential target for the future prevention and treatment of human cancers.
Apoptosis
;
Carcinoma, Squamous Cell
;
Cell Cycle Checkpoints
;
Humans
;
Mouth Neoplasms*
;
Receptors, Bombesin*