نتایج جستجو برای: gamma release tests
تعداد نتایج: 658394 فیلتر نتایج به سال:
Abstract The main aim of this study was to prepare and evaluate the extended - release system of an anxiolytic substance. Alprazolam is a short-acting benzodiazepine with general properties similar to those of diazepam. Our studies focused on the development of extended drug delivery system based on Hydroxy Propyl Methyl Cellulose (HPMC 4000cps) as retard agent and polyvinylpyrrolidone (PVP k30...
The pentapeptide Phe-Leu-Glu-Glu-Leu, tritiated at the gamma carbon of each Glu residue, has been synthesized. In a system using microsomal preparations derived from rat liver, vitamin K-dependent tritium release from the L-Glu residues of this substrate can occur without the concurrent gamma-carboxylation of Glu. This tritium release reaction, which indicates cleavage of the gamma C-H bond, al...
Background: Neurotransmitter release is an essential link in cell communication of the nervous system. Many investigations have focused on gamma amino butyric acid (GABA)-ergic neurotransmission, because it has been implicated in the pathophysiology of several central nervous system disorders. To bypass complications related to homo- and heterosynaptic modulation and to avoid indirect interpret...
Background and Objectives: Human papilloma virus (HPV) is known as the etiologic agent of cervical cancer and second common cancer among women. HPV viruses with the elevated risk of infection have more potentiality to cause cancer. The carcinogenesis in these viruses is accomplished by oncoproteins such as E7. Employing DNA vaccines which code specific antigens such as E7 is a novel therapeutic...
In this study, we examined the effects of recombinant bovine gamma interferon (rIFN-gamma) and nitric oxide (NO) on the interaction of M. avium subsp. paratuberculosis with bovine monocytes. Monocytes pretreated with rIFN-gamma exhibited slightly increased phagocytosis of M. avium subsp. paratuberculosis and modest inhibition of the intracellular growth of this microorganism. The number of viab...
BACKGROUND/AIM Interleukin (IL) 12 is involved in the mucosal response during intestinal inflammation but its role is not fully understood. The response of human lamina propria T lymphocytes (T-LPL) to IL-12 in terms of interferon gamma (IFN-gamma) release and proliferation was investigated, exploring whether IL-15 and IL-7 cooperate with IL-12. The role of accessory molecules (CD2 and CD28) wa...
New tools for detecting latent tuberculosis infection: evaluation of RD1-specific long-term response
BACKGROUND Interferon-gamma (IFN-gamma) release assays (IGRAs) were designed to detect latent tuberculosis infection (LTBI). However, discrepancies were found between the tuberculin skin test (TST) and IGRAs results that cannot be attributed to prior Bacille Calmètte Guerin vaccinations. The aim of this study was to evaluate tools for improving LTBI diagnosis by analyzing the IFN-gamma response...
Tuberculosis (TB) is the second most common contagious disease, caused by Mycobacterium tuberculosis (M. tuberculosis). Besides a rare laryngeal tuberculosis, pulmonary tuberculosis is the only one contagious form of the disease, although it can affect any organ of the human body. TB represents a new challenge to the doctors because it appears with numerous chronic diseases, affects immunocompr...
Abst rac t . Most existing studies on software release policies use models based on the non-homogeneous Poisson process. In this paper, we discuss a software release policy based on a state space model. The state space model has a Gamma-Gamma type invariant conditional distribution. A cost model that removes errors in software systems and risk cost due to software failure is used. The optimal r...
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