체외에서 돼지 황체화 과립막세포의 스테로이드 호르몬 생산에 미치는 Relaxin과 Insulin의 영향
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서지정보
ㆍ발행기관 : 한국수정란이식학회
ㆍ수록지정보 : Journal of Embryo Transfer / 20권 / 1호
ㆍ저자명 : 이명섭, 이창규, 강성근, 이병천, 황우석
한국어 초록
Relaxin과 insulin이 돼지 난포 과립막세포의 스테로이드 호르몬 분비에 미치는 영향을 연구하기위하여 체외에서 황체화된 과립막세포에서 prosesterone과 의 생산을 조사하였다. 돼지난포 과립막세포를 혈청 존재하에 배양접시에 부착 후 48시간 동안 체외배양하고 무혈청 배지에서 24시간 배양하였다. Relaxin과 insulin의 용량의존성을 확인하기 위하여 다양한 농도 (10, 100, 1,000 ng/ml)를 각각 무혈청 배지에 첨가하였다.
영어 초록
To investigate the influence of relaxin and insulin on the ovarian steroid secretion of porcine granulosa cells, we used porcine granulosa cells partially luteinized in a primary culture and examined the production of progesterone and . Porcine granulosa cells were cultured in the presence of serum for 48 h after attachment and subsequently in the absence of serum fur 24 h. To confirm the dose dependency of relaxin or insulin, various concentrations (10, 100, 1000 ng/ml) of relaxin or insulin were added in the medium for the last 24 h, respectively. To investigate the combinational effect of relaxin and insulin, 100 ng/ml relaxin and/or 100 ng/ml insulin were added in the medium for the last 24 h in the presence or absence of luteinizing hormone (100 ng/ml). The medium was collected and used for radioimmunoassay to measure the production of progesterone and . Relaxin or insulin increased the production of progesterone by dose dependency, respectively while they had no effect of the production of . Relaxin (100 ng/ml) and/or insulin (100 ng/ml) significantly increased the production of progesterone in the presence of luteinizing hormone while they had no effect of the production of . In conclusion, relaxin and/or insulin increased the progesterone secretion of porcine granulosa-lutein cells in vitro while had no effect on the production of and had no synergism on the effects. The effects of relaxin and/or insulin on the production of progesterone were augmented by the presence of luteinizing hormone.
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