• 대한한방부인과학회지
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• 제18권4호
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• pp.230-241
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• 2005

Uterine myoma is benign tumor formed from muscular and connective tissues, which is one of the most common tumors found in women's reproductive organs. Uterine myoma is the most common pelvic tumor and they are diagnosed in up to15 to 20% of women in pubertal period. Although myoma is generally considered to be a slowly growing tumor, in 20-40% of women at the age of 35 and more have uterine myoma of significant sizes with severe clinical symptoms. The most common symptoms include abdominal pain or discomfort, low abdominal pressure sensation, hypermenorrhea and urinary symptoms. The treatment of uterine myoma is just observation, operation and hormone replacement therapy. We treated 6 outpatients who has uterine myoma and visited Kyungwon InCheon Oriental Hospital with Herb-medication and acupuncture. So we have gotten good result from them. After 6 outpatients had taken Guichulpazing-tang(歸朮破?湯), the symptoms were　improved and the size of the uterine myoma was reduced significantly, It proves　that oriental medical treatment is effective on the patients with uterine myoma, but　continuous studies are needed.

• Childhood Kidney Diseases
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• 제23권2호
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• pp.124-127
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• 2019

Herlyn-Werner-Wunderlich (HWW) syndrome is a rare congenital anomaly of the genitourinary tract comprising uterus didelphys, obstructed hemivagina, and ipsilateral renal agenesis. Patients with HWW syndrome usually present symptoms such as dysmenorrhea, abdominal pain, pelvic mass, and purulent vaginal discharge. If not treated at an appropriate time, complications such as infertility, endometriosis, pyosalpinx, and subsequent pelvic adhesions may occur. Here, we report a case of HWW syndrome in a 7-year-old-girl who was also diagnosed as having central precocious puberty. She was brought to the pediatric department with chief complaints of lump in her breast and vaginal discharge. When she was around 2 months old, she was confirmed to have a single kidney on ultrasonography. We checked her past medical history and diagnosed her as having HWW syndrome based on the results of imaging studies, including abdominal ultrasonography and pelvic magnetic resonance imaging. She underwent treatment with gonadotropin-releasing hormone analogue for 2 years. During 24 months of follow-up, she showed no serious problems or complications. If renal anomalies are identified immediately after birth or in infancy, further screening tests should be conducted prior to menstruation for determining congenital abnormalities of the reproductive tract and vice versa.

• 한국동물생명공학회지
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• 제36권4호
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• pp.220-229
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• 2021

Lonicera caerulea (Honey berry, HB) has been used in medical treatment in Russia, Japan, China and Korea. It has high level of vitamin C and polyphenolics. Polyphenolics can improve anti-inflammatory effect and prevent cancer, diabetes mellitus type 2. Also, Vitamin C is a representative anti-oxidant. however, it is still unknown what effect it will have on the oxidation stress of the reproductive system. In previous studies, ROS can be produced when it is exposed to heat stress and has negative effect on sperm's maturation, capacitation, hyperactivation, acrosome reaction and fusion of egg and sperm. Therefore, the purpose of this study is to investigate the antioxidant effects of L. Caerulea on the sperm and mice. At first, it conducted using ICR mouse (n = 20) for 4 weeks. There are four groups of mice (n = 5 per group). Also, L. Caerulea was taken by oral gavage. Group I (control) kept at 23℃-27℃ and administer D.W (0.5 mL/day), Likewise, Group II (HB) kept at room temperature but gave HB (250 mg/kg, 0.5 mL/day), Group III (HB + HS) received heat stress (40℃) using hyperthermia induction chamber and gave HB at same dose. and Group IV (HS) exposed heat stress only. Mainly, we showed degree of gene expression using Western blot in SOD, HSP 70, 17β-HSD and Real-time PCR. It can find correlation between intracellular activity like steroid hormone, apoptosis under ROS and antioxidant activity of L. Caerulea.

• 한국해양생명과학회지
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• 제1권1호
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• pp.41-49
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• 2016

Kisspeptin (Kiss) and its cognate receptor, kisspeptin receptor (KissR; G protein coupled receptor 54, GPR54), have recently been recognized as potent regulators of reproduction in teleosts. Additionally, leptin plays an important role in energy homeostasis and reproductive function in teleosts. The purpose of this study was to examine differences in the concentration of the hormones of the Kiss/KissR system and leptin and the expression of their underlying genes, all of which are involved in the sexual maturation of female goldfish, Carassius auratus, following treatment with Kiss. The expression levels of KissR increased after the Kiss injection. Furthermore, the peptide hormone leptin also increased after the injection (in vivo and in vitro). Additionally, the expression of GnRH and GTHs (GTHα, FSHβ, and LHβ) increased in the brain and pituitary (in vitro and in vitro). These results support the hypothesis that Kiss plays important roles in the direct regulation of the hypothalamus-pituitary-gonad axis and leptin in goldfish. Therefore, we suggest that Kiss system gene expression is correlated with energy balance and reproduction.

• 한국발생생물학회지:발생과생식
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• 제27권3호
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• pp.127-135
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• 2023

Effects of changes in photoperiod on the reproductive events in fish are suggested to be mediated mainly via the action of melatonin (MEL). Changing levels of plasma MEL throughout the day and year are suggested to influence the hypothalamus-pituitary-gonadal axis in fish. Therefore, in this study, we aimed to investigate the effects of MEL on oocyte maturation and germinal vesicle breakdown (GVBD) in the marine fish, Chaenogobius annularis, in vitro. Oocytes at three different stages (pre-, mid-, and late-vitellogenesis) were incubated with (a) only MEL (5, 10, 50, 100, 500, and 1,000 pg/mL) and (b) 50 pg/mL of 17α,20β-dihydroxy-4-pregnen-3-one (17α20βP), maturation-inducing hormone (MIH) of this species, and MEL (4-h incubation before addition of MIH). Any single MEL treatment did not significantly induce GVBD. However, treatment with 50 pg/mL MEL or MIH significantly induced GVBD. These results suggest that preincubation with MEL accelerates the effect of MIH on longchin goby oocyte maturation.

• Clinical and Experimental Reproductive Medicine
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• 제23권1호
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• pp.87-94
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• 1996

For evaluating the suitability of human follicular fluid(HFF) as protein supplement in ART, this preliminary study was performed to examine the maturation promoting activity of HFF on mouse follicular oocytes in vitro. Mouse follicular oocytes were collected from ovaries of 21-28 day old ICR mice by puncturing the antral follicles with fine needle at 48 hours after PMSG injection. The oocytes were rinsed and cultured in modified Whittingham's $T_6$ medium containing purines or dbcAMP to maintain meiotic arrest, and different concentrations of HFF were added into the culture medium to examine the effect of HFF on releasing the oocytes from the suppressive influence of the meiotic inhibitors. As a control for HFF, the maturation promoting activity of human fetal cord serum(HFCS) was investigated and compared with the activity of HFF. While HFF was separated, by molecular weight(M.W), into high M.W. fraction(M.W>30,000) and low M.W. fraction(M.W<30,000) and the effects of the fractions on meiotic resumption were investigated in the presence of the meiotic inhibitors. Also hormone analysis was performed to compare the content of hormones in HFF with that in HFCS. Same concentrations of HFF and HFCS induced similar germinal vesicle break down(GVBD) rates of the oocytes meiotic arrested by purines(4mM hypoxanthine+0.75mM adenosine), but the extrusion rate of 1st polar body(PB) of the oocytes cultured in HFF(65.0%, P<0.05) was significantly higher than that(51.6%) in HFCS. While, in the presence of 200 M dbcAMP, the maturation promoting activity of HFF (GVBD: 70.5%, $p<10^{-6}$; 1st PB extrusion: 67.1%, $p<10^{-3}$) was significantly greater than that of HFCS(GVBD: 35.2%; 1st PB extrusion: 41.1%). The oocytes cultured in the fraction of HFF containing high M.W. components showed higher meiotic maturation rates than the oocytes cultured in the low M.W. fraction of HFF. Gonadotropins and $E_2$ were known to improve the completion of maturation changes, and the levels of these hormones were higher in HFF than in HFCS. Therefore, HFF was more effective than HFCS to use for promoting meiotic resumption of mouse oocytes in vitro.

• Clinical and Experimental Reproductive Medicine
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• 제23권1호
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• pp.103-108
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• 1996

Through the previous studies(I,II), it was observed that human follicular fluid(HFF) was more effective than human fetal cord serum(HFCS) on promoting meiotic resumption of oocytes and improving embryonic development of mouse in vitro. On the basis of these results, we have gradually exchanged HFCS with HFF as protein supplement in human ART. This study was performed to investigate the efficiency of HFF on improving the pregnancy rate in ART. Oocytes were retrieved transvaginally from patients treated with pituitary suppression with GnRH-agonist and ovarian stimulation with human menopausal gonadotro-pin(HMG) and pure follicle stimulating hormone(FSH). Aspirated oocytes were rinsed and cultured in TCM-199 containing HFF, and the concentrations of HFF were adjusted to 10, 20, and 30% according to the use for insemination, embryo growth and embryo transfer, respectively. As possible as, we tried to do embryo transfer into fallopian tube to mimic the coincidence of the cell stage with the place of sojourn in vivo, so we performed various ART programs(IVF & ET; in vitro fertilization, ZIFT; zygote intra fallopian-tube transfer, ZIFT & ET) according to the tubal conditions of patients. On the while, intra cytoplasmic sperm injection(ICSI) was used to assist IVF of the patients who had shown poor standard IVF results by immunological or severe male factor. Of the 255 cycles of ART programs using HFF as protein supplement, 118 cycles were turn out to be succeeded in pregnancy(46.2%, per cycle, p<0.05), while 21 pregnancies were achieved in the 69 cycles using HFCS(30.4%). The 255 cycles using HFF were subdivided into cycles with the type of ART programs, and each pregnancy rate of the ART programs were 44.7% (IVF & ET, 76/170 cycles), 53.4%(ZIFT, 31/58 cycles) and 40.7% (ZIFT & ET, 11/27 cycles), respectively. In the 61 ICSI cycles using HFF, 28 cycles succeed in pregnancy(45.9%), while 7 pregnancies were obtained in the 17 ICSI cycles using HFCS. Also the ongoing pregnancy rate in the group using HFF(78.8%, 93/118 cycles) was higher than that in the group using HFCS(61.9%). Therefore, we found that the use of HFF as protein supplement was more suitable and effective than the use of HFCS to improve the pregnancy rate in ART.

• 한국수산과학회지
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• 제45권3호
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• pp.253-261
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• 2012

We investigated the reproductive capacity of starry flounder Platichthys stellatus from the Uljin (UJ) marine ranching area and compared it to that of P. stellatus from the coastal waters of Pohang (PH). In UJ, female gonadosomatic index (GSI) peaked in October ($3.14{\pm}0.87$) and male GSI was high in October and December. In PH, female GSI peaked in January ($18.64{\pm}2.15$) while male GSI began to increase in October and remained high until March. Most ovaries of UJ females were immature with perinucleus oocytes, although the testes of UJ males were ripe in January. Both the ovaries and testes of PH starry flounders were ripe from January to March. The plasma estradiol-$17{\beta}$ ($E_2$) levels of UJ females were highest in October ($4.09{\pm}1.90$ ng/mL) although the testosterone (T) levels of UJ males were highest in December ($3.81{\pm}0.78$ ng/mL) and decreased gradually until April. The $17{\alpha}$,$20{\beta}$-dihydroxy-4-pregnen-3-one ($17{\alpha}20{\beta}P$) levels of UJ females were not detected. The E2 levels of PH females were highest in December ($36.25{\pm}33.07$ ng/mL) and $17{\alpha}20{\beta}P$ levels were highest in March ($5.51{\pm}0.95$5 ng/mL). The T levels of PH males were highest in December ($4.03{\pm}1.34$ ng/mL) and decreased gradually until October. Taken together, these results suggest that most females from UJ did not reach maturation with a spawning period that was considered to be between December and January.

• Clinical and Experimental Reproductive Medicine
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• 제21권2호
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• pp.137-147
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• 1994

Controlled ovarian hyperstimulation(COH) for in vitro fertilization and embryo transfer(IVFET) often results in the production of more embryos than can be efficaciously transferred at one time. However, embryo cryopreservation provides a mechanism by which additional embryos can be stored for later thawing and transfer. From November, 1990 to October, 1992, we completed 42 transfer cycles of cryopreserved pronucleus(PN) l-cell embryos using the fixed protocol of hormonal replacement therapy in a physiological manner regardless of individual ovarian function. Artificial endometrial stimulation was performed with only exogenous estradiol and progesterone(E-P) in 36 transfer cycles (Group I) and with gonadotropin-releasing hormone agonist(GnRHa) and exogenous estradiol and progesterone(GEEP) in 6 transfer cycles(Group II ). The results were as follows. 1. The Survival rate of total cryopreserved-thawed embryos was 64.9%(198/305): 64.9% (172/265) in Group I and 65.0% (26/40) in Group II. 2. Total 168 embryos were transferred with an average of 4.7 per ET in Group I and total 26 embryos were transferred with an average of 4.3 per ET in Group II. 3. The pregnancy rate(PR) per cryopreserved-thawed ET and the implantation rate was 33.3 %(14/42) and 6.7%(13/194), respectively. The PRs per cryopreserved-thawed ET were 30.6% (11/36) in Group I and 50.0% (3/6) in Group II without significant difference. 4. The take home baby rate was 11.1%(4/36) in Group I and 33.3% (2/6) in Group II.

• 한국어류학회지
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• 제23권4호
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• pp.261-268
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• 2011

꺽지, Coreoperca herzi의 생식 년주기를 규명하기 위하여 1994년 7월부터 1996년 4월까지 경남 산청군 경호강에서 실험어를 채집하여 수온, 일장, GSI, HSI, 생식소의 조직학적 조사 및 혈중 스테로이드 호르몬의 농도변화를 조사하였다. GSI는 2월부터 급격히 상승하여 4월에 최대치를 나타내고 5월까지 높은 값을 유지하다가 하강하기 시작하여 8월에 최저값을 나타내었다. 혈중 E2, testosterone의 혈중 스테로이드 호르몬 농도는 GSI의 변화와 유사한 양상을 나타냈다. 방란, 방정 후 난소 소낭 내에서는 짧은 퇴화기가 관찰되며, 어린 난모세포가 계속 성장하여 난황합성 전기의 상태에서 저수온기에 휴지기 상태로 월동하여 이듬해 수온 상승기에 일제히 성장한다. 정소 역시 짧은 퇴화기(7월)와 오랜 휴지기(10~2월)를 가진다. 본 종의 생식 년주기는 성장 및 성숙기(2월~4월 초순), 완숙 및 산란기(4월 하순~6월 초순), 퇴화 및 정체기(7~8월), 회복기 (9월~11월 초순), 휴지기 (12월~1월)로 나누어지며 주 산란기는 5월이었다.