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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

Targeted delivery of nucleic acids into xenograft tumors mediated by novel folate-equipped liposomes.
Abstract Folate receptors (FR) are cellular markers highly expressed in various cancer cells. Here, we report on the synthesis of a novel folate-containing lipoconjugate (FC) built of 1,2-di-O-ditetradecyl-rac-glycerol and folic acid connected via a PEG spacer, and the evaluation of the FC as a targeting component of liposomal formulations for nucleic acid (NA) delivery into FR expressing tumor cells. FR-targeting liposomes, based on polycationic lipid 1,26-bis(cholest-5-en-3β-yloxycarbonylamino)-7,11,16,20-tetraazahexacosan tetrahydrochloride (2X3), lipid helper dioleoylphosphatidylethanolamine (DOPE) and novel ...
Source: European Journal of Pharmaceutics and Biopharmaceutics - November 18, 2017 Category: Drugs & Pharmacology Authors: Kabilova TO, Shmendel EV, Gladkikh DV, Chernolovskaya EL, Markov OV, Morozova NG, Maslov MA, Zenkova MA Tags: Eur J Pharm Biopharm Source Type: research

Efficient siRNA delivery and tumor accumulation mediated by ionically cross-linked folic acid-poly(ethylene glycol)-chitosan oligosaccharide lactate nanoparticles: For the potential targeted ovarian cancer gene therapy.
Abstract For effective ovarian cancer gene therapy, systemic administrated tumor-targeting siRNA/folic acid-poly(ethylene glycol)-chitosan oligosaccharide lactate (FA-PEG-COL) nanoparticles is vital for delivery to cancer site(s). siRNA/FA-PEG-COL nanoparticles were prepared by ionic gelation for effective FA receptor-expressing ovarian cancer cells transfection and in-vivo accumulation. The chemical structure of FA-PEG-COL conjugate was characterized by MALDI-TOF-MS, FT-IR and H(1) NMR. The average size of siRNA/FA-PEG-COL nanoparticles was approximately 200 nm, and the surface charge was +8.4 mV compared to +30....
Source: European Journal of Pharmaceutical Sciences - October 28, 2013 Category: Drugs & Pharmacology Authors: Li TS, Yawata T, Honke K Tags: Eur J Pharm Sci Source Type: research

Folic acid inhibits endothelial cell migration through inhibiting the RhoA activity mediated by activating the folic acid receptor/cSrc/p190RhoGAP-signaling pathway.
Abstract Previously, our in vivo studies demonstrated that folic acid (FA) could inhibit angiogenesis and in vitro studies showed that FA reduced vascular endothelial cell proliferation through activating the cSrc/ERK-2/NFκB/p53 pathway mediated by FA receptor (FR). Here, we further examined the effect of FA on endothelial cell migration. Our results showed that FA (10μM) inhibited the formation of lamellipodia, migration and capillary-like tube formation of human umbilical venous endothelial cells (HUVEC). These inhibition effects induced by FA treatment were not due to reduction of cell survival and cell adhes...
Source: Biochemical Pharmacology - November 23, 2012 Category: Drugs & Pharmacology Authors: Hou TC, Lin JJ, Wen HC, Chen LC, Hsu SP, Lee WS Tags: Biochem Pharmacol Source Type: research

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