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The eye is immunologically privileged when inflammatory responses are suppressed. One component responsible for the suppression of inflammatory responses is the blood retinal barrier, which comprises the retinal pigment epithelium. The destruction of this barrier initiates inflammation, which can affect any part of the eye. Therefore, inflammatory response is controlled by the action of anti-inflammatory...
Transcription factors that activate both proliferation- and apoptosis-effector genes, along with a number of related observations, have led to a proposal for a feed forward mechanism of activating the two gene classes, whereby a certain concentration of a transcription factor activates the proliferation-effector genes and a higher concentration of the transcription factor activates the apoptosis-effector...
The platelet-derived growth factor (PDGF)/PDGFR receptor (PDGFR) family is essential for a vast array of physiological processes such as migration and proliferation of percityes that contribute to the formation and proper function of blood vessels. While ligand-dependent de-repression of the PDGFR's kinase activity is the major mode by which the PDGFR is activated, there are additional mechanisms...
Gaucher's disease in humans is considered a deficiency of glucocerebrosidase (GlcCerase) that result in the accumulation of its substrate, glucocerebroside (GlcCer). Although mouse models of Gaucher's disease have been reported from several laboratories, these models are limited due to the perinatal lethality of GlcCerase gene. Here, we examined phenotypes of Drosophila melanogaster homologues genes...
Keratin 83 (KRT83) is an important keratin protein in hair development. In this study, expression of KRT83 was compared among different tissues and between 1-month-old lambs and 48-month adult of Chinese Tan sheep, which showed different fleece phenotypes. The results showed that KRT83 was only expressed in skin, and KRT83 mRNA level in skin was significantly higher in Tan lambs than in adult sheep...
The sex of relatively primitive animals such as invertebrates is mostly determined by environmental factors and chromosome ploidy. Heteromorphic chromosomes may also play an important role, as in the ZW system in lepidopterans. However, the mechanisms of these various sex determination systems are still largely undefined. In the present study, a Masculinizer gene (Ar-Masc) was identified in the crustacean...
Toads are chemically defended by bufadienolides, which are lethal to most predators. These toxins exert their lethal effects by binding to and disabling the Na+/K+-ATPases of cell membranes. Many species of snakes exhibit resistance to the effects of bufadienolides due to target-site insensitivity of the Na+/K+-ATPase. Mutations that confer resistance have previously been identified in ATP1a3, the...
GPER1, also known as GPR30, is a novel seven-transmembrane G-protein coupled estrogen receptor that mediates both short-term (non-genomic) and long-term (genomic) effects of estrogen in target cells and tissues. A substantial body of work over the last two decades has highlighted its therapeutic or prognostic utility. However, the clinical data on the expression of GPER1 in breast tissue is ambiguous...
The discovery of the key roles of interleukin-17A (IL-17A) and IL-17A producing cells in inflammation, autoimmune diseases and host defense has led to the experimental targeting of the IL-17A pathway in animal models of diseases as well as in clinical trials in humans. These therapeutic agents include biological products that target IL-17A and IL-23, an upstream regulator of IL-17A production. IL-17A...
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