1.Effect of platelet activating factor on the secretion of progesterone in the rabbit.
Soo Hyun CHO ; Sung Ro CHUNG ; Yeoun Young HWANG ; Hyung MOON
Korean Journal of Fertility and Sterility 1992;19(1):9-14
No abstract available.
Blood Platelets*
;
Platelet Activating Factor*
;
Progesterone*
2.Tricuspid Insufficiency Detected 8 Years Later Following a Blunt Chest Trauma.
Yeoun Jung KIM ; Keon Sik MOON ; Jae Sung KIM ; Hweung Kon HWANG
Korean Circulation Journal 1999;29(10):1133-1137
Post-traumatic tricuspid insufficiency is a rare condition and may be clinically silent and imprecise. The diagnosis may be difficult when it progreses slowly and other acute lesions exist concomittantly. Two-dimenstional Doppler echocardiography appears to be an essential procedure in diagnosting the rupture of chordae tendineae or papillary muscle following traumatic injury. We report a case of tricuspid insufficiency of which symptom developed 8 years later following a blunt chest trauma. The patient was operated by tricuspid vlave repair with chordal replacement and ring annuloplasty successfully. We would like to emphasize that patients sustaining major thoracic trauma should be carefully examine for possible blunt chest trauma including cardiac valve rupture or tear.
Chordae Tendineae
;
Diagnosis
;
Echocardiography, Doppler
;
Heart Valves
;
Humans
;
Papillary Muscles
;
Rupture
;
Thorax*
3.Exercise tolerance tests in patients with tetralogy of Fallot repaired earlier: correlation with 2-dimensional echocardiography and cardiac catheterization.
Jin Yong LEE ; Jun Hee SUL ; Sung Kyu LEE ; Dong Shik CHIN ; Bum Koo CHO ; Soo Kwan HWANG ; Dong Soo YEOUN
Journal of the Korean Pediatric Society 1992;35(2):157-167
No abstract available.
Cardiac Catheterization*
;
Cardiac Catheters*
;
Echocardiography*
;
Exercise Tolerance*
;
Humans
;
Tetralogy of Fallot*
4.High Incidence of Staphylococcus aureus and Norovirus Gastroenteritis in Infancy: A Single-Center, 1-Year Experience.
Kyoung SUNG ; Ji Yong KIM ; Yeoun Joo LEE ; Eun Ha HWANG ; Jae Hong PARK
Pediatric Gastroenterology, Hepatology & Nutrition 2014;17(3):140-146
PURPOSE: The etiology of acute gastroenteritis (AGE) has changed since the introduction of the rotavirus vaccination. The aim of this study was to clarify which common pathogens, both bacterial and viral, are currently causing AGE in infants. METHODS: Infants with acute diarrhea were enrolled. We tested for 10 bacterial pathogens and five viral pathogens in stool specimens collected from infants with AGE. The clinical symptoms such as vomiting, mucoid or bloody diarrhea, dehydration, irritability, and poor oral intake were recorded, and laboratory data such as white blood cell count and C-reactive protein were collected. The clinical and laboratory data for the cases with bacterial pathogens and the cases with viral pathogens were compared. RESULTS: Of 41 total infants, 21 (51.2%) were positive for at least one pathogen. Seventeen cases (41.5%) were positive for bacterial pathogens and seven cases (17.1%) were positive for viral pathogens. Staphylococcus aureus (13 cases, 31.7%) and Clostridium perfringens (four cases, 9.8%) were common bacterial pathogens. Norovirus (five cases, 12.2%) was the most common viral pathogen. Fever and respiratory symptoms were common in the isolated viral infection group (p=0.023 and 0.044, respectively), whereas other clinical and laboratory data were indistinguishable between the groups. CONCLUSION: In our study, S. aureus (41.5%) and norovirus (12.2%) were the most common bacterial and viral pathogens, respectively, among infants with AGE.
C-Reactive Protein
;
Clostridium perfringens
;
Dehydration
;
Diarrhea
;
Epidemiology
;
Fever
;
Gastroenteritis*
;
Humans
;
Incidence*
;
Infant
;
Korea
;
Leukocyte Count
;
Norovirus*
;
Rotavirus
;
Staphylococcus aureus*
;
Vaccination
;
Vomiting
5.Anthocyanin Induces Apoptosis of DU-145 Cells In Vitro and Inhibits Xenograft Growth of Prostate Cancer.
U Syn HA ; Woong Jin BAE ; Su Jin KIM ; Byung Il YOON ; Sung Hoo HONG ; Ji Youl LEE ; Tae Kon HWANG ; Sung Yeoun HWANG ; Zhiping WANG ; Sae Woong KIM
Yonsei Medical Journal 2015;56(1):16-23
PURPOSE: To investigate the effects of anthocyanins extracted from black soybean, which have antioxidant activity, on apoptosis in vitro (in hormone refractory prostate cancer cells) and on tumor growth in vivo (in athymic nude mouse xenograft model). MATERIALS AND METHODS: The growth and viability of DU-145 cells treated with anthocyanins were assessed using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay and apoptosis was assessed by DNA laddering. Immunoblotting was conducted to evaluate differences in the expressions of p53, Bax, Bcl, androgen receptor (AR), and prostate specific antigen (PSA). To study the inhibitory effects of anthocyanins on tumor growth in vivo, DU-145 tumor xenografts were established in athymic nude mice. The anthocyanin group was treated with daily oral anthocyanin (8 mg/kg) for 14 weeks. After 2 weeks of treatment, DU-145 cells (2x106) were inoculated subcutaneously into the right flank to establish tumor xenografts. Tumor dimensions were measured twice a week using calipers and volumes were calculated. RESULTS: Anthocyanin treatment of DU-145 cells resulted in 1) significant increase in apoptosis in a dose-dependent manner, 2) significant decrease in p53 and Bcl-2 expressions (with increased Bax expression), and 3) significant decrease in PSA and AR expressions. In the xenograft model, anthocyanin treatment significantly inhibit tumor growth. CONCLUSION: This study suggests that anthocyanins from black soybean inhibit the progression of prostate cancer in vitro and in a xenograft model.
Animals
;
Anthocyanins/*pharmacology
;
Apoptosis/*drug effects
;
Cell Line, Tumor
;
Cell Proliferation/drug effects
;
Cell Survival/drug effects
;
Gene Expression Regulation, Neoplastic/drug effects
;
Humans
;
Male
;
Mice, Inbred C57BL
;
Mice, Nude
;
NAD/metabolism
;
Prostate-Specific Antigen/metabolism
;
Prostatic Neoplasms/genetics/*pathology
;
Receptors, Androgen/metabolism
;
Tumor Suppressor Protein p53/metabolism
;
*Xenograft Model Antitumor Assays
;
bcl-2-Associated X Protein/genetics/metabolism
6.The Changes of Testis and the Effects of Anthocyanin on Spermatogenesis in Rat Induced Varicocele.
Hoon JANG ; Su Jin KIM ; Seung Mo YUK ; Dong Seok HAN ; U Syn HA ; Sung Hoo HONG ; Ji Youl LEE ; Tae Kon HWANG ; Sung Yeoun HWANG ; Sae Woong KIM
Korean Journal of Andrology 2011;29(1):33-42
PURPOSE: Varicocele is known as a main cause of primary male infertility and it supposed to be associated with oxidative stress. Anthocyanin is known as a natural plant pigment and novel antioxidant. This study was designed to investigate the effects of anthocyanin on a rat model of varicocele. MATERIALS AND METHODS: Twenty four male rats, induced varicocele by partial obstruction of left renal vein, were divided into four experimental groups: the group induced varicocele for four weeks without anthocyanin, the group received anthocyanin (80 mg/kg) right after varicocele induction, group induced varicocele for eight weeks without anthocyanin, and the group received anthocyanin (80 mg/kg) after four weeks observation following varicocele induction. After anthocyanin treatment, testes from the rats in all groups were removed, weighed, and subjected to histological examination. Apoptosis in the testes was measured by the TUNEL assay. And the oxidative stress was evaluated by measurement of 8-hydroxy-2'-deoxyguanosine (8-OHdG). RESULTS: Induction of varicocele led to decreasing left testis weight, decreasing spermatogenic cell density significantly (p<0.05). Also it led to increasing apoptotic body counts and increasing concentration of 8-OHdG significantly (p<0.05). However administration of anthocyanin right after varicocele induction prevent this change meaningfully (p<0.05). In group received anthocyanin after four weeks observation following varicocele induction, interestingly, there was no significant difference in testis weight, spermatogenic cell density, apoptotic body count and concentration of 8-OHdG compared to group induced varicocele for eight weeks without anthocyanin administration. CONCLUSIONS: These results suggest that anthocyanin is effective in decreasing the oxidative stress of testis in rat induced varicocele and may be effective in making a healthy sperm in patient of varicocele in early stage. However in patient under way in advanced stage, it is supposed that the anthocyanin cannot help having a protective effect from oxidative stress narrowly unless the condition of oxidative stress by varicocele is corrected. Further studies are needed to better understand the mechanisms and actions of anthocyanin and varicocele, and these studies may lead to the clinical application of anthocyanin in preventing male infertility by varicocele.
Animals
;
Anthocyanins
;
Apoptosis
;
Cell Count
;
Deoxyguanosine
;
Humans
;
In Situ Nick-End Labeling
;
Infertility
;
Infertility, Male
;
Male
;
Oxidative Stress
;
Plants
;
Rats
;
Renal Veins
;
Spermatogenesis
;
Spermatozoa
;
Testis
;
Varicocele
7.Restoration of Spermatogenesis Using a New Combined Herbal Formula of Epimedium koreanum Nakai and Angelica gigas Nakai in an Luteinizing Hormone-Releasing Hormone Agonist-Induced Rat Model of Male Infertility.
Hyun Jun PARK ; Yean Kyoung KOO ; Min Jung PARK ; Yoon Kyung HWANG ; Sung Yeoun HWANG ; Nam Cheol PARK
The World Journal of Men's Health 2017;35(3):170-177
PURPOSE: We investigated the protective effect of a mixture of 2 herbal extracts, KH-465, which consisted of Epimedium koreanum Nakai and Angelica gigas Nakai, on spermatogenesis in a luteinizing hormone-releasing hormone (LHRH) agonist-induced rat model of male infertility. MATERIALS AND METHODS: Seventy-five 12-week-old male Sprague-Dawley rats were randomly divided into 5 groups, containing 15 rats each: a normal control group that received no treatment and 4 experimental groups (I, II, III, and IV) in which an LHRH agonist was administered for 4 weeks to induce spermatogenic failure. Group I received distilled water, and groups II, III, and IV received 200 mg/kg/day of KH-465, 400 mg/kg/day KH-465, and depo-testosterone for 4 weeks, respectively. Weight changes of the testis and epididymis, sperm count motility, and levels of testosterone (T), free T, follicle-stimulating hormone (FSH), luteinizing hormone (LH), superoxide dismutase (SOD), and 8-hydroxy-2′-deoxyguanosine (8-OHdG) were estimated. RESULTS: Body, testis, and epididymis weight showed no significant differences among the control and experimental groups. Treatment with KH-465 increased the sperm count and motility. Serum hormone levels of T, free T, and FSH were not significantly different in the experimental groups, while the LH level was higher than in the LHRH agonist-induced control group, but not to a significant extent. Levels of SOD were higher and 8-OHdG were lower in the groups that received KH-465 than in the LHRH agonist-induced control group. CONCLUSIONS: Our results suggest that KH-465 increased sperm production via reducing oxidative stress and had a positive effect in a male infertility model.
Angelica*
;
Animals
;
Epididymis
;
Epimedium*
;
Follicle Stimulating Hormone
;
Gonadotropin-Releasing Hormone*
;
Humans
;
Infertility, Male*
;
Lutein*
;
Luteinizing Hormone
;
Male
;
Male*
;
Models, Animal*
;
Oxidative Stress
;
Rats*
;
Rats, Sprague-Dawley
;
Sperm Count
;
Spermatogenesis*
;
Spermatozoa
;
Superoxide Dismutase
;
Testis
;
Testosterone
;
Water
8.The Anti-Inflammatory Effects of a New Herbal Formula (WSY-1075) in a Nonbacterial Prostatitis Rat Model.
Byung Il YOON ; Woong Jin BAE ; Su Jin KIM ; Hyo Sin KIM ; U Syn HA ; Dong Wan SOHN ; Sung Yeoun HWANG ; Sae Woong KIM
The World Journal of Men's Health 2013;31(2):150-156
PURPOSE: The aim of this study was to investigate the anti-inflammatory effects of a new herbal formula (WSY-1075) in a nonbacterial prostatitis rat model. MATERIALS AND METHODS: Prostatitis was induced in male Wistar rats (n=32) by treatment with 17 beta-estradiol and dihydrotestosterone for 4 weeks. After the induction of prostatitis, the rats were randomly divided into one of four treatment groups: control (n=8), ciprofloxacin (n=8), WSY-1075 (100 mg/kg) (n=8), and WSY-1075 (400 mg/kg) (n=8). After 4 weeks of treatment, the prostatic proinflammatory cytokine (tumor necrosis factor-alpha, interleukin [IL]-6, and IL-8) levels and histological findings were noted. RESULTS: The ciprofloxacin and WSY-1075 treatment groups showed significantly decreased proinflammatory cytokine levels compared with the control group. Histologically, treatment with ciprofloxacin and WSY-1075 significantly suppressed the severity of prostatitis lesions compared with those in the control group. No differences in the proinflammatory cytokine levels or histologic findings were observed with the dose dependent treatment of WSY-1075. CONCLUSIONS: The new herbal formula, WSY-1075, showed effective anti-inflammatory activities in the prostate and may be useful for the clinical treatment of nonbacterial prostatitis. Our findings suggest that WSY-1075 has a beneficial effect on the prevention and treatment of nonbacterial prostatitis.
Animals
;
Ciprofloxacin
;
Dihydrotestosterone
;
Estradiol
;
Humans
;
Inflammation
;
Interleukins
;
Male
;
Prostate
;
Prostatitis
;
Rats
;
Rats, Wistar
9.The Effects of New Herbal Formula (KBMSI-1) on the Penile Erection and Corpus Cavernosum in Streptozotocin-induced Diabetic Rats.
Byung Il YOON ; Tae Seung SHIN ; Jang Chun WOO ; Su Jin KIM ; Hyo Sin KIM ; U Shin HA ; Hyun Jong KIM ; Sung Yeoun HWANG ; Sae Woong KIM
Korean Journal of Andrology 2011;29(2):144-150
PURPOSE: The aim of this study was to investigate the effects of new herbal formula (KBMSI-1) on erectile dysfunction in streptozotocin-induced diabetic rat model. MATERIALS AND METHODS: We used male Sprague-Dawley rats aged 12 weeks and divided into three groups; control (n=8), diabetes (DM) (n=8), DM+KBMSI-1 200 mg/kg treatment (n=8) groups. The DM groups received a single intraperitoneal injection of streptozotocin (STZ). Distilled water was administered in the control and DM group. To investigate the penile erection, intracavernosal pressure (ICP) and intracavernosal pressure/mean arterial pressure (ICP/MAP) were recorded in all groups. Serial sections of the penis were used to perform Masson's trichrome stain. We analyzed the expression of nNOS and eNOS concentration in the isolated corpus cavernosum by western blotting. RESULTS: Peak ICP/MAP ratio was markedly increased in the treatment group with KBMSI-1 compared with DM group (p<0.05). Masson's trichrome staining of corpus cavernosum showed increase in smooth muscle volume and the regular arrangement of collagen fibers in KBMSI-1 treatment group compared with DM group. Western blot analysis revealed that the penile expressions of nNOS and eNOS protein were significantly higher in KBMSI-1-treated group than in DM group. CONCLUSIONS: This study showed that herbal formulation of KBMSI-1 enhances the penile erection and the level of eNOS and nNOS expression of penile corpus cavernosum in streptozotocin-induced diabetic rat model.
Aged
;
Animals
;
Arterial Pressure
;
Azo Compounds
;
Blotting, Western
;
Collagen
;
Diabetes Mellitus
;
Eosine Yellowish-(YS)
;
Erectile Dysfunction
;
Humans
;
Injections, Intraperitoneal
;
Male
;
Methyl Green
;
Muscle, Smooth
;
Penile Erection
;
Penis
;
Rats
;
Rats, Sprague-Dawley
;
Streptozocin
;
Water
10.The Effect of Anthocyanin on the Prostate in an Andropause Animal Model: Rapid Prostatic Cell Death by Apoptosis Is Partially Prevented by Anthocyanin Supplementation.
Hoon JANG ; Woong Jin BAE ; Su Jin KIM ; Seoung Mo YUK ; Dong Seok HAN ; U Syn HA ; Sung Yeoun HWANG ; Shin Hee YOON ; Zhiping WANG ; Sae Woong KIM
The World Journal of Men's Health 2013;31(3):239-246
PURPOSE: To evaluate the anti-apoptotic effect of the antioxidant reaction of anthocyanin on the prostate in an andropause animal model. MATERIALS AND METHODS: Sprague-Dawley rats were divided into three groups (n=12 in each): control (Group I), andropause (Group II), andropause treated with anthocyanin (Group III). For induction of andropause, Group II and III underwent bilateral orchiectomy. Group III was treated with daily oral anthocyanin (160 mg/kg) for 8 weeks. After 8 weeks, the rats were sacrificed and their blood and prostates were examined pathohistologically and evaluated for oxidative stress and apoptosis. Oxidative stress was assessed by the activity of superoxide dismutase (SOD) and apoptosis in the prostate was identified by terminal deoxyribonucleotidyl transferase-mediated dUTP-digoxigenin nick end-labelling assay. RESULTS: Group II showed markedly increased activity of SOD in serum over that observed in Group I, whereas the rats in Group III showed reduced oxidative stress compared to Group II. Despite no significant differences in prostate weight between Group II and III (p=0.078), the apoptotic index was significantly greater in Group II than Group I, and was significantly lesser in Group III than Group II. CONCLUSIONS: We suggest that the oxidative stress caused by low testosterone may be another inducer of apoptosis, and this apoptosis may partly contribute to the overall apoptosis of the prostate in the andropause animal model. Therefore, anthocyanin supplementation may contribute to preventing excessively rapid cell death by apoptosis in the prostate in an animal model of andropause.
Andropause*
;
Animals*
;
Anthocyanins*
;
Antioxidants
;
Apoptosis*
;
Cell Death*
;
Male
;
Models, Animal*
;
Orchiectomy
;
Oxidative Stress
;
Prostate*
;
Rats
;
Rats, Sprague-Dawley
;
Superoxide Dismutase
;
Testosterone