نتایج جستجو برای: lhr
تعداد نتایج: 502 فیلتر نتایج به سال:
BACKGROUND Stress has been proved to impair the porcine reproduction soundly. Endocrine disruption, which is closely related to the persistent follicles, is possibly one of the results of stress, although the mechanism is unclear. Since the expression of luteinizing hormone receptor (LHR) in ovarian follicular wall and concentrations of steroid hormone in follicular fluid are related to the dev...
BACKGROUND Human chorionic gonadotropin/luteinizing hormone (hCG/LH) function in the male is mediated by the LH receptor (LHR) and is crucial for the normal development of internal and external genitalia. We report a 46, XY patient who presented at the age of 16 with a female phenotype and delayed puberty. Gonads were located bilaterally in the inguinal canal, removed surgically and showed hypo...
Methods In this prospective study, we included 216 patients visiting our department for abnormal uterine bleeding. All patients had a transvaginal ultrasound with doppler study and an hysterosonography. Secondly, the patients in whom we diagnosed a suspected organic lesion were addressed to an endoscopic or surgical procedure with pathological examination. Initially we evaluated the feasibility...
The purpose of this work was to determine whether the synergistic interaction of ionizing radiation and some chemicals in Chinese hamster cells was related with inhibition of the liquid holding recovery (LHR) or with the production of irreversible damages which could not be repaired. Using the proposed mathematical model describing the process of the LHR and experimental data published by other...
The extended theory of selective photothermolysis enables the laser surgeon to target and destroy hair follicles, thereby leading to hair removal. Today, laser hair removal (LHR) is the most commonly requested cosmetic procedure in the world and is routinely performed by dermatologists, other physicians, and non-physician personnel with variable efficacy. The ideal candidate for LHR is fair ski...
Spectral analysis of heart rate variability (HRV) is useful as a noninvasive means of assessing autonomic function in patients with obstructive sleep apnea (OSA). However, standard spectral measures, such as the ratio of low-frequency to high-frequency power (LHR) and normalized high-frequency power (NHFP), can be confounded by the abnormal breathing patterns that occur during sleep. To circumv...
Experiments were conducted to evaluate the performance of a low heat rejection (LHR) diesel engine. Performance parameters and emission levels were determined at various magnitudes of brake mean effective pressure. Combustion characteristics of the engine were measured with TDC (top dead centre) encoder, pressure transducer, console and special pressure-crank angle software package at peak load...
Defining the gonadal effects of FSH distinct from those of LH remains difficult. We have characterized and compared the level of Sertoli and germ cell development in three mouse models recently created to isolate FSH activity from LH effects. Two models used LH-deficient hypogonadal (hpg) mice to selectively study either pituitary-independent transgenic (tg) FSH or ligand-independent activated ...
An integrated Lifetime Health Record (LHR) is fundamental for achieving seamless and continuous access to patient medical information and for the continuum of care. However, the aim has not yet been fully realised. The efforts are actively progressing around the globe. Every stage of the development of the LHR initiatives had presented peculiar challenges. The best lessons in life are those of ...
Different activation mechanisms of glycoprotein hormone receptors, which are members of the G protein-coupled receptor superfamily, have been proposed. For example, the large ectodomain of glycoprotein hormone receptors may function as an inverse agonist keeping the transmembrane domain in an inactive conformation. To provide support for this hypothesis, we have generated different lutropin/cho...
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