• Reproductive and Developmental Biology
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• 제33권1호
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• pp.19-24
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• 2009

This study was conducted to investigate the specific expression genes in the cloned bovine tissues. Donor cells, cloned tissues were analysed by RAPD-RFLP method. The results were detected three genes (CH-U7B, CH-U7M and CH-U7P) in the cloned fetus. It was found a single copy genes by southern hybridization. Sequence analysis of CH-U7M gene was shown 99% homology to a previously reported EST from a cloned bovine fetus. The putative ORF was encode a protein of hydrophobicity index 0.03. Semi-quantitative RT-PCR by using the CH-LS001 specific primer was remarkably detected in the lung tissue of cloned fetus. Further investigation of these genes may provide one of the key information to explain the early death, abnormal fetus, large off-spring and the low pregnancy rate in the production of cloned bovine.

• 대한한의학원전학회지
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• 제31권1호
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• pp.157-174
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• 2018

Objectives : The objective of this research is to look deeper into the thoughts of Sajudang in her book on fetal education, Taegyoshin-gi(TGSG), published in the early 19th century Joseon, which focused on her understanding of human development and bodily relationship the mother has with her child with comparison to Korean Medical texts. Methods : The characteristics of TGSG were laid out with comparison to previous texts on fetal education of both China and Korea. After this, they were closely cross-examined with Korean Medical thoughts on human creation, mother-child relationship, and mind-body relationship. Results : Sajudang's thoughts on fetal education as written in TGSG, show a deep understanding of human development and the father and mother's roles in it, expanding the responsibility of fetal education from just the mother to both father and mother. There is also awareness of the importance of the Heart that is at the center of the fetal education process, and of the mother-child relationship through blood. Conclusions : Fetal education as discussed in TGSG expands from previous discourses on the topic, distinguishing itself with thorough understanding of how fetal education works, when it begins, and what the roles of the parents and the community are. This attributes to Sajudang's knowledge that came from both books and her actual experiences.

• Clinical and Experimental Reproductive Medicine
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• 제39권2호
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• pp.73-80
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• 2012

Objective: This study was undertaken to determine the effect of hypoxia inducible factor (HIF)-$1{\alpha}$ on the cell death, autophagy, and invasion of trophoblasts. Methods: To understand the effect of HIF-$1{\alpha}$, we inhibited HIF-$1{\alpha}$ using siRNA under normoxia and hypoxia conditions. Invasion assay and zymography were performed to determine changes in the invasion ability of HIF-$1{\alpha}$. Western blotting and immunofluorescence were performed to determine some of the signal events involved in apoptosis and autophagy. Results: There was no difference in cell death through the inhibition of HIF-$1{\alpha}$ expression by siRNA; however, the expression of LC3 and autophagosome formation increased. On the other hand, autophagy was increased, and the invasive ability of trophoblast cells decreased according to the inhibition of HIF-$1{\alpha}$ expression by siRNA. These experimental results mean that HIF-$1{\alpha}$ genes regulate the invasive ability of trophoblasts by increasing autophagy. Conclusion: This study contributes important data for understanding the mechanism of early pregnancy implantation and the invasive ability of trophoblasts by defining the relationship between the roles of HIF-$1{\alpha}$ and autophagy.

• 한국임상수의학회지
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• 제16권2호
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• pp.389-396
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• 1999

Pregnant rats were treated at various stages of gestation with prostaglandin analogue, cloprostenol alone or concomitant with HCG to study effects on termination of gestation and plasma estrogen and progesterone. Cloprostenol (90 or 180 mg/kg) was administered alone on 1~3, 4~6, 7~9, 9~11 or 11~13 consecutive days of gestation twice a day and in combination with HCG (50 or 100 IU/day) on days of 1~3 or 7~9 once a day. Rats were autopsied on day 21 of gestation or at 6, 12 or 24 hours after treatment on day 6 or 9, respectively. Cloprostenol was found to be nearly 100% effective in preventing implantation, destroying viable fetuses and causing preimplantation losses, but in early gestation, on days 1-3, there was little effect. And when cloprostenol administered concomitant with HCG, corpora lutea were significantly increased, implantation sites and viable fetuses significantly decreased, and pre-and post-implantation losses significantly increased in most cases. Plasma concentrations of estradiol and progesterone were significantly decreased by administering cloprostenol, and estradiol concentration significantly decreased but progesterone significantly increased by administering of cloprostenol concomitant with HCG. It is suggested that cloprostenol was more effective in terminating pregnancy than a combination of cloprostenol and HCG in the rat.

• Journal of Chest Surgery
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• 제49권2호
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• pp.122-125
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• 2016

Postpartum aortic intramural hematoma (IMH) is a rare but potentially lethal condition. We report a case of aortic IMH with massive hemothorax in a postpartum woman. The patient was a 31-year-old woman who had delivered twins by cesarean section. Two days after delivery, she complained of sudden-onset dyspnea. Chest computed tomography revealed a massive left hemothorax. Exploratory thoracotomy was performed, and we found a defect measuring approximately 6 mm in the adventitial layer of the thoracic aorta and an IMH. We repaired the defect primarily, and no more bleeding was observed. The patient was discharged on the 19th postoperative day without any complications.

• Clinical and Experimental Reproductive Medicine
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• 제41권3호
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• pp.140-145
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• 2014

This article reports a case of spontaneous ovarian hyperstimulation syndrome (OHSS) following a thawed embryo transfer cycle. OHSS, a potentially life-threatening condition, is an iatrogenic complication of controlled ovarian stimulation; therefore, it is very important to prevent and treat OHSS during treatment with ovulation-inducing agents. Despite our efforts to prevent OHSS, in this case, severe spontaneous OHSS occurred, which resulted in uncontrolled preterm labor and a preterm delivery and also persisted for 6 weeks after delivery. Freezing all embryos cannot entirely prevent the development of OHSS because OHSS can occur spontaneously. Although spontaneous OHSS remains a rare event, females with a history of OHSS may have an elevated risk for spontaneous OHSS. We suggest closely monitoring cases of pregnancy following thawed embryo transfer for early diagnosis of spontaneous OHSS and the use of conservative management.

• Tuberculosis and Respiratory Diseases
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• 제39권1호
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• pp.79-82
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• 1992

임신성 융모상피암은 임신으로 생성되는 영양아 세포에서 기원하는 악성도가 높은 암이다. 이 암은 초기에 폐 전이를 일으키며, 폐 전이는 경계가 명확한 수개의 결절형태로 나타나는 것이 가장 흔하다. 그러나 간혹 고립성 폐전이를 일으켜 진단이 어려울 때가 있다. 저자들은 각각 일측폐의 전체, 동전양 병변, 괴사성 종양의 소견을 보인 세유형을 보고하며 융모성 질환의 발생빈도가 높은 지역에서는 여성의 고립성 폐병변의 감별에서 산부인과 병력과 융모성 성선자극 호르몬 측정의 중요성을 강조한다.

• Clinical and Experimental Pediatrics
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• 제53권1호
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• pp.14-20
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• 2010

Cytomegalovirus (CMV) is currently the most common agent of congenital infection and the leading infectious cause of brain damage and hearing loss in children. Symptomatic congenital CMV infections usually result from maternal primary infection during early pregnancy. One half of symptomatic infants have cytomegalic inclusion disease (CID), which is characterized by involvement of multiple organs, in particular, the reticuloendothelial and central nervous system (CNS). Moreover, such involvement may or may not include ocular and auditory damage. Approximately 90% of infants with congenital infection are asymptomatic at birth. Preterm infants with perinatal CMV infection can have symptomatic diseases such as pneumonia, hepatitis, and thrombocytopenia. Microcephaly and abnormal neuroradiologic imaging are associated with a poor prognosis. Hearing loss may occur in both symptomatic and asymptomatic infants with congenital infection and may progress through childhood. Congenital infection is defined by the isolation of CMV from infants within the first 3 weeks of life. Ganciclovir therapy can be considered for infants with symptomatic congenital CMV infection involving the CNS. Pregnant women of seronegative state should be counseled on the importance of good hand washing and other control measures to prevent CMV infection. Heat treatment of infected breast milk at $72{^{\circ}C}$ for 5 seconds can eliminate CMV completely.

• Clinical and Experimental Pediatrics
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• 제59권8호
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• pp.319-327
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• 2016

Allergic diseases such as asthma, allergic rhinitis, atopic dermatitis, and food allergy, are most common chronic, noncommunicable diseases in childhood. In the past few decades, the prevalence has increased abruptly worldwide. There are 2 possible explanations for the rising prevalence of allergic diseases worldwide, that an increased disease-awareness of physician, patient, or caregivers, and an abrupt exposure to unknown hazards. Unfortunately, the underlying mechanisms remain largely unknown. Despite the continuing efforts worldwide, the etiologies and rising prevalence remain unclear. Thus, it is important to identify and control risk factors in the susceptible individual for the best prevention and management. Genetic susceptibility or environments may be a potential background for the development of allergic disease, however they alone cannot explain the rising prevalence worldwide. There is growing evidence that epigenetic change depends on the gene, environment, and their interactions, may induce a long-lasting altered gene expression and the consequent development of allergic diseases. In epigenetic mechanisms, environmental tobacco smoke (ETS) exposure during critical period (i.e., during pregnancy and early life) are considered as a potential cause of the development of childhood allergic diseases. However, the causal relationship is still unclear. This review aimed to highlight the impact of ETS exposure during the perinatal period on the development of childhood allergic diseases and to propose a future research direction.

• Parasites, Hosts and Diseases
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• 제43권2호
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• pp.69-71
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• 2005

This study was performed in order to evaluate the sero-epidemiological status of toxoplasmosis in pregnant Korean women. Among 5,175 sera and 750 amniotic fluid samples obtained from pregnant women, 41 serum samples $(0.79\%)\;and\;10 (1.33\%)$ amniotic fluid samples tested positive for IgG antibodies by ELISA. Fifty one cases showing a score more than 0.25 on ELISA were tested for PCR reaction against the SAG1 gene. Only one case of the 51 ELISA positive cases exhibited a positive reaction on all tests. This case had a history of acute nephropyelitis during early pregnancy, but fortunately, had delivered a phenotypically healthy baby. In this study, the seroprevalence of toxoplasmosis in pregnant women was found to be comparatively low, consistent with previous reports from Korea. However our trials, performed with a variety of diagnostic tools, were considered to be useful for the precise diagnosis of congenital toxoplasmosis.