background: molecular biomarkers are valuable in evaluation the course of malignancies. in this study, the relationship be­tween her2/neu, p53, steroid receptors and clinicopathological features of patients with breast cancer has been assessed. methods : three hundred thirty nine women with a primary diagnosis of breast cancer from 2001 to 2006 were included. they were evaluated for tumor featu...

objective: rna interference (rnai) is the most potent technique for gene silencing in eukaryotic cellular system at transcriptomic level. genetic disorders and cancers are important targets for therapeutic development of this technique. in order to bypass the temporary dpwnregulation by sirna, a new generation of shrna named shrnamir has developed. silencing construct with structure similar to ...

Introduction: The interaction between steroid hormones and neurotransmitters such as GABA has been proved. The regulation of muscimol binding to high-affinity GABAA receptors by estradiol and progesterone has been studied within distinct brain regions using in vitro quantitative autoradiography. There are few studies about the mechanism of the effect of steroid hormones on behaviors such as ...

  Background and Objectives: Presence of steroid hormone receptors (estrogen and progesterone) in the tumor tissues of various organs correlates with response to therapy and prognosis. Since their role in ovarian cancer is still controversial, in this study we investigated the expression and prognostic value of the estrogen receptor (ER) and progesterone receptors (PR) in ovarian papillary ser...

background and objectives: presence of steroid hormone receptors (estrogen and progesterone) in the tumor tissues of various organs correlates with response to therapy and prognosis. since their role in ovarian cancer is still controversial, in this study we investigated the expression and prognostic value of the estrogen receptor (er) and progesterone receptors (pr) in ovarian papillary serous...

PURPOSE This study investigated clinical values of corticosteroid (CS) receptor α and β in the nasal mucosa of patients with allergic rhinitis (AR) by determining CS receptor α and β mRNA expression following steroid treatment. PROCEDURES Among 120 outpatients, 65 had persistent AR, including 36 being sensitive to steroid treatment (steroid-sensitive group) and 29 being resistant to steroid t...

the tetrad of bronchial asthma, severe sinusitis, nasal polyp, eosinophilia, and systemic vasculitis is the main feature of allergic granulomatosis and angitis (churg- strauss syndrome). this vasculitis is usually seen idiopathic in patients with a long history of asthma; oral steroids using steroid inhalers, vaccination and desensitization might be triggering factors. drugs such as leukotriene...

Steroid hormones act in specific regions of the brain to alter behaviour and physiology. Although it has been well established that the bioavailability of the steroid and the expression of its receptor is critical for understanding steroid action in the brain, the importance of nuclear receptor coactivators in the brain is becoming more apparent. The present review focuses on the function of th...

Framingham Heart Study suggests that dysfunction of steroid receptor coactivator-1 may be involved in the development of hypertension. However, there is no functional evidence linking steroid receptor coactivator-1 to the regulation of blood pressure. We used immunohistochemistry to map the expression of steroid receptor coactivator-1 protein in mouse brain, especially in regions implicated in ...

Steroid hormones act both in the brain and throughout the body to influence behaviour and physiology. Many of these effects of steroid hormones are elicited by transcriptional events mediated by their respective receptors. A variety of cell culture studies reveal that nuclear receptor coactivators are critical for modulating steroid receptor-dependent transcription. Thus, in addition to the ava...