نتایج جستجو برای: gnrha
تعداد نتایج: 453 فیلتر نتایج به سال:
UNLABELLED Data concerning the effects of GnRHa on weight gain are scarce. OBJECTIVE To assess the variation of the body mass index (BMI) in girls during GnRHa treatment for idiopathic central precocious puberty (CPP). PATIENTS AND METHODS Semestral anthropometric data from 176 girls treated with goserelin or leuprorelin were analyzed. RESULTS BMI z-score increased from 1.5 +/- 0.1 SD bef...
Several case reports have indicated that a small subgroup of patients may develop ovarian hyperstimulation following the administration of gonadotropin-releasing hormone agonists (GnRHa) without gonadotropins. However, since only few such cases have been published, it is unclear what course to follow in subsequent cycles after ovarian hyperstimulation in the first cycle using only GnRHa. A 33-y...
Ovarian hyperstimulation syndrome (OHSS) remains a major complication of IVF. Triggering ovulation with human chorionic gonadotrophin (HCG) (as a surrogate to LH) is a major factor in the initiation of OHSS. The pathological process usually intensifies if pregnancy is achieved, as the rising endogenous HCG overstimulates the corpora lutea. Decreasing HCG trigger dose does not prevent OHSS. Gona...
We have analyzed human benign prostatic hyperplastic (BPH) tissue derived from eight radical prostatectomy specimens from patients with prostate cancer for the expression of the estrogen receptor (ER) messenger RNA. Four of the eight patients received a long-acting gonadotropin-releasing hormone agonist (GnRHa) for 4 months prior to surgery. An RNase protection assay utilizing six riboprobes sp...
Methods Serum levels of E2, NT proCNP, insulin like growth factor 1(IGF1), NMID Osteocalcin(OC) and carboxy-terminal cross-linking telopeptide of type I collagen (b-CrossLaps) were measured in healthy 57 girls at different pubertal stages, and in 13 girls with ICPP at the beginning and the end of 6 month and 12 month of GnRHa treatment. Height velocities of the 13 ICPP girls in each 6 months be...
Human chorionic gonadotropin (hCG) has been used as a surrogate for the mid-cycle LH surge for several decades. Due to structural and biological similarities with LH, hCG binds to and activates the same receptor - the LH/hCG receptor. However, despite the fact that hCG effectively secures final oocyte maturation and ovulation, its use as a surrogate for LH has got several drawbacks - first and ...
در این پژوهش اثر تزریق هورمون GnRHa و عصاره هیپوفیز بر روند تسریع رسیدگی نهایی جنسی و زمان تخمریزی، میزان هماوری نسبی، کیفیت تخم های قابل استحصال، درصد لقاح، درصد تخمه گشایی، تلفات و بازماندگی لارو در مولدین ماهی طلایی (گُلدفیش) Carassius auratus مورد بررسی قرار گرفت. مولدین ماهی طلایی در 5 گروه به ترتیب در تیمارهای 10 و 20 میکروگرم به ازای هر کیلوگرم وزن زنده بدن مولدین هورمون GnRHa، 3 و 5 میلی...
Methods Twenty boys with ICPP were treated with GnRHa for (20. 0 ± 6. 1) months. At the beginning of therapy, mean chronological age and bone age was(11. 4 ± 1. 0) years and(13. 0 ± 0. 4) years, respectively. GnRHa was discontinued when the boys reached the chronological age and bone age of (13. 2 ± 1. 1) years and (13. 7 ± 0. 6) years, respectively. At the conclusion of the study, all the boys...
We present the first Asian case of a 77-year-old man who developed pituitary apoplexy (PA) soon after gonadotropin-releasing hormone agonist (GnRHa) (leuprorelin) injection to treat prostate cancer. Headache, ophthalmoplegia, visual field deficit, nausea, and vomiting are the typical characteristics of pituitary apoplexy. Though the occurrence rate is rare, the consequence of this condition can...
Ž . In three separate experiments, non-spermiating male Atlantic salmon Salmo salar were Ž . injected with a commercial salmon gonadotropin releasing hormone analog GnRHa preparation Ž . or vehicle propylene glycol . After 6 days, fish were also injected with 17a-hydroxyprogesterone Ž . Ž . 17P , 17a ,20b-dihydroxy-4-pregnen-3-one 17,20bP or vehicle. Injections were repeated on day 7, and after...
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