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Expression of Mucin Genes in the Human Testis and Its Relationship to Spermatogenesis
서주태,이중식,전진현,양문호 연세대학교의과대학 2005 Yonsei medical journal Vol.46 No.5
In this study we investigate the expression pattern of mucin genes in the human testis and evaluate the relationship between the expression of mucin genes and impaired spermatogenesis in the human testis. Thirty human testis tissues were collected from patients undergoing diagnostic testicular biopsy to investigate the cause of infertility. One part of the tissue underwent histological observation, and the other part of the tissue was subjected to semiquantitative RT-PCR of mucin genes, that is, mucin1, 2, 3, 4, and 9. The relative amount of mucin mRNAs was calculated by densitometry using glyceraldehydes-3-phosphate dehydrogenase (GAPDH) as an internal control. The samples were histologically diagnosed as either obstructive azoospermia with normal spermatogenesis (n=13) or non-obstructive azoospermia with impaired spermatogenesis (n=17). In the human testis with normal spermatogenesis, mRNA expression of mucin1, 9, 13 and GAPDH were found, but RT-PCR products of mucin 2, 3 and 4 were not detected. In the testis with impaired spermatogenesis, however, RT-PCR product of mucin1 was not found. There was no difference in the other mucin mRNA expression patterns between the testis with either normal or impaired spermatogenesis. To our knowledge, this study is the first that has detected the mRNA of mucin9 and 13 in human testis. This study also shows that mucin1 expression might be closely related to spermatogenesis. Our findings should be substantiated by more direct evidence, such as mucin protein expression and localization.
간이정신진단 검사에 의한 남성 불임환자의 정신과적 문제
서주태,김경희,Seo, Ju-Tae,Kim, Kyung-Hee 대한생식의학회 1998 Clinical and Experimental Reproductive Medicine Vol.25 No.3
It has been well known that infertile women experience not only emotional disturbance but also stress. But there is no concern about male infertility patients. So phychiatric symptoms were studied with SCL-90 (Symptom Check List-90) in 30 infertile men who was operated testicular sperm extraction (TESE) in Samsung Cheil Hospital and in age matched 31 fertile men from Jan. 1998 to Aug. 1998. In 5 symptom dimensions (Obcessive-Compulsive, Interpersonal Sensitivity, Depression, Phobic anxiety, Psychoticisim) scores. The Infertile group scored significantly higher than the control group. The result revealed that infertile men also experienced substantially more psychiatric symptoms than fertile men. Considering this results, psychiatric evaluation and tender care by infertility specialist are necessary for infertile men during and after evaluation and treatment.
A Randomized Prospective Study Comparing New Vaginal Cone and FES-Biofeedback
서주태,윤하나,김영호 연세대학교의과대학 2004 Yonsei medical journal Vol.45 No.5
Several different methods of enhancing pelvic floor functions have been developed and modified. The aim of this study was to compare the efficacy of a new vaginal cone with conventional FES-Biofeedback therapy for female urinary incontinence, with respect to pelvic floor rehabilitation. One hundred and twenty patients, who required a non-surgical treatment for urinary incontinence, were divided randomly into two groups; (1) the Functional Electrical Stimulation (FES)- Biofeedback group (or BFB group) and (2) the new vaginal cone group (or cone group). For a period of six weeks, two training sessions each week were carried out on the BFB group. The new 150-gram dumbbell-shaped vaginal cone, made of fine ceramic material, was developed domestically. A therapist instructed patients in the cone group upon its use for pelvic floor exercise, and directed the exercise to be repeated at home daily; these patients had follow-up visits every week. Objective improvements were obvious in both groups. 88.3% and 91.6% of the cone and BFB groups showed an improvement after treatment, respectively. There was no significant difference in the improvement or dissatisfaction scores of the two groups. In conclusion, no significant differences in the therapeutic effects were observed between the FES- Biofeedback and the new vaginal cone groups. Considering improvements in the quality of life and objective symptoms, the therapeutic effects of the two techniques showed no significant differences. The new vaginal cone is relatively easy to use at home and aids in pelvic floor muscle exercises. Consequently, the new vaginal cone could be used as an alternative non-surgical treatment modality in female stress urinary incontinence.
서주태,박용석,김종현,이유식,전진현,이호준,손일표,강인수,전종영,Seo, Ju-Tae,Park, Yong-Seog,Kim, Jong-Hyun,Lee, You-Sik,Jun, Jin-Hyun,Lee, Ho-Joon,Son, Il-Pyo,Kang, Inn-Soo,Jun, Jong-Young 대한생식의학회 1997 Clinical and Experimental Reproductive Medicine Vol.24 No.1
Irreparable obstructive azoospermic patients can be treated successfully with microsurgical epididymal sperm aspiration(MESA) or testicular sperm extraction (TESE) by intracytoplasmic sperm injection(ICSI). Obstructive azoospermic patients generally have normal spermatogenesis. The aim of this study was to see if any spermatozoa could be retrieved from non-obstructive azoospermia and to assess the efficacy of ICSI with TESE in germinal failure. 42 non-obstructive azoospermic patients revealed no spermatozoa at all in their ejaculates, even after centrifuge. The histology of 42 patients revealed 15 Sertoli cell only Syndrome, 4 maturation arrest and 23 severe hypospermatogenesis. All patients underwent extensive multiple testicular biopsy for sperm retrieval. These patients were scheduled for ICSI using testicular spermatozoa. In 25 out of 42 non-obstructive azoospermic patients, spermatozoa were recovered from multiple testicular biopsy specimen and 11 ongoing pregnancies were achieved. There are usually some tiny foci of spermatogenesis which allow TESE with ICSI in non-obstructive azoospermia. Also these patients may have sufficient sperm in the testes for ICSI, despite extremely high FSH level and small testes.
서주태 대한의사협회 2018 대한의사협회지 Vol.61 No.7
Approximately 15% of couples hoping to conceive are infertile. Male factor infertility is the only cause in 40% of those couples. Approximately 20% of men with infertility have azoospermia. Of these patients, roughly 40% are experience obstruction or absence of sperm passage. However, the other 60% of patients must seek out adoption or conceive using a sperm bank. Currently, recommendations regarding legal issues are needed for sperm banks to be operated safely and effectively, and this paper provides a set of such recommendations.