نتایج جستجو برای: retinoid
تعداد نتایج: 5410 فیلتر نتایج به سال:
Since the COVID-19 pandemic started in 2019, involvement of oral mucosa is observed many patients, tongue being most affected area. In recent literature, there are a wide range lesions reported such as enanthema, Kawasaki-like disease, ulcers, and atrophic glossitis. This paper addresses black hairy case 47-year-old woman presenting after 2 weeks infection. The patient was responsive to topical...
The design of retinoid phospholipid prodrugs is described based on molecular dynamics simulations and cytotoxicity studies of synthetic retinoid esters. The prodrugs are degradable by secretory phospholipase A(2) IIA and have potential in liposomal drug delivery targeting tumors. We have synthesized four different retinoid phospholipid prodrugs and shown that they form particles in the liposome...
Conformational analysis of retinoids and restriction of their dynamics by retinoid-binding proteins.
An exhaustive sampling of the configurational space of all-trans retinol using a 0.1 microsecond molecular-dynamics simulation is presented. The essential dynamics technique is used to describe the conformational changes in retinol using only three degrees of freedom. The different conformational states of retinol are analysed, and differences in free energy are calculated. The essential dynami...
Cellular retinol-binding proteins (CRBPs) I and II, which are members of the intracellular lipid-binding protein (iLBP) family, are retinoid chaperones that are responsible for the intracellular transport and delivery of both retinol and retinal. Although structures of retinol-bound CRBPI and CRBPII are known, no structure of a retinal-bound CRBP has been reported. In addition, the retinol-boun...
The specification of neuronal fates in the ventral spinal cord depends on the regulation of homeodomain (HD) and basic-helix-loop-helix (bHLH) proteins by Sonic hedgehog (Shh). Most of these transcription factors function as repressors, leaving unresolved the link between inductive signaling pathways and transcriptional activators involved in ventral neuronal specification. We show here that re...
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