نتایج جستجو برای: postcrona era
تعداد نتایج: 83380 فیلتر نتایج به سال:
Estrogens have important functions in mammary gland development and carcinogenesis. To better define these roles, we have used two previously characterized lines of genetically altered mice: estrogen receptor-a (ERa) knockout (ERKO) mice, which lack the gene encoding ERa, and mouse mammary virus tumor (MMTV)-Wnt-1 transgenic mice (Wnt-1 TG), which develop mammary hyperplasia and neoplasia due t...
BACKGROUND Although the survival benefits of antiretroviral therapy (ART) for the treatment of HIV infection are well established, the clinical management of HIV disease continues to present major challenges. There are particular concerns regarding access to appropriate HIV treatment among HIV-infected injection drug users (IDU). METHODS In a prospective cohort study of HIV-infected IDU in Va...
Background & Aims: Medicine is one the most important sciences of human knowledge and also it has communication with human life and survival and contains special position in the social institutes and organizations. Historical investigators relate medical science root to religion, mythology, traditions and human ceremonies and manners. In Avesta scripture, we can observe medical mythology scenes...
The present study addresses the Pahlavi era regarding the political system, and it is to investigate and analyze authoritarian governments. The study which is a historical-documentary one, also deals with the consequences of authoritarianism in the Pahlavi era and the impacts of historical-geographical conditions of Iran on the emergence and durability of authoritarianism. Authoritarianism is c...
Technology affected human life in many ways in different eras of mankind history. Today, the information and telecommunication technology has revolutionized basic structures of human life. Changes are from the whole to the parts and vice versa, which include family and society too. Family lost its former structure in the information age and differentiated from patriarchy family. Societies have ...
Background: In recent decades, much interest has been focused on investigating new roles of vitamin D in human body beyond the mineral-ion homeostasis. Methods: By searching medical databases such as PubMed, over 16000 articles were found which have been published since 2000 on novel aspects of vitamin D in health and diseases. Results: Of great interest was the effects of vitamin D on ...
Hazardous site management in the United States includes remediation of contaminated environmental media and restoration of injured natural resources. Site remediation decisions are informed by ecological risk assessment (ERA), whereas restoration and compensation decisions are informed by the natural resource damage assessment (NRDA) process. Despite similarities in many of their data needs and...
iranian historiography during the safavid era affected by religious upheavals and intellectual and political developments, witnessed the emergence and evolution of a new approach towards time and techniques for recording history. the most important feature of this historiography was the continuance of pre-safavid models and regulations on the one hand, and the formation of typical safavid struc...
The pituitary gland is a heterogeneous tissue comprised of several hormone secreting and supporting cells, most of which are targeted by estrogens. Estrogen-induced changes in the pituitary are presumably mediated via the classical estrogen receptor, ERa. However, a novel receptor, ERb, and pituitary-specific truncated estrogen receptor products (TERPs) were recently identified. The objectives ...
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