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Current Development of siRNA Bioconjugates: From Research to the Clinic
In this study, it was shown that the main factor determining the nature of the biodistribution of conjugates is their lipophilicity. Conjugates of siRNA with lower lipophilicity; i.e., derivatives of retinoic acid, lithocholic acid, and docosahexanoic acid with greater efficiency than cholesterol conjugates accumulated in the kidneys, bladder, and lungs of the mouse after subcutaneous injection (Biscans et al., 2018). This fact is consistent with previous data that showed that more lipophilic conjugates bind more efficiently to serum components, and thus are not excreted by the kidneys (Wolfrum et al., 2007; Osborn et al.,...
Source: Frontiers in Pharmacology - April 25, 2019 Category: Drugs & Pharmacology Source Type: research

Homocysteine induced oxidative stress in human umbilical vein endothelial cells via regulating methylation of SORBS1.
CONCLUSIONS: We indicated that Hcy induced oxidative stress in HUVECs via regulating methylation of SORBS1. We also found that Fc and B12 treatment attenuated the oxidative stress and inflammation induced by Hcy in HUVECs. The findings indicated that Fc and B12 might be effective agents for the treatment of Hcy induced AS. PMID: 30402861 [PubMed - in process]
Source: European Review for Medical and Pharmacological Sciences - November 9, 2018 Category: Drugs & Pharmacology Tags: Eur Rev Med Pharmacol Sci Source Type: research

Altered folate metabolism modifies cell proliferation and progesterone secretion in human placental choriocarcinoma JEG-3 cells.
Abstract Folate is an essential B vitamin required for de novo purine and thymidylate synthesis, and for the remethylation of homocysteine to form methionine. Folate deficiency has been associated with placenta-related pregnancy complications, as have SNP in genes of the folate-dependent enzymes, methionine synthase (MTR) and methylenetetrahydrofolate dehydrogenase 1 (MTHFD1). We aimed to determine the effect of altered folate metabolism on placental cell proliferation, viability and invasive capacity and on progesterone and human chorionic gonadotropin (hCG) secretion. Human placental choriocarcinoma (JEG-3) cell...
Source: The British Journal of Nutrition - August 24, 2015 Category: Nutrition Authors: Moussa C, Ross N, Jolette P, MacFarlane AJ Tags: Br J Nutr Source Type: research