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Oligonucleotides —A Novel Promising Therapeutic Option for IBD
Conclusions In this review, we focused on recent and past approaches to test the therapeutic efficacy of oligonucleotide based therapies in IBD. The combining mechanistic mode of oligonucleotide based therapeutics is a targeted action on specific pro-inflammatory molecules, which are over activated in IBD patients and contribute significantly to disease pathogenesis. The proposed high selectivity of the agents is derived from its mode of action, that aims to specifically block certain inflammatory molecular patterns, without a general systemic effect on other molecular targets. It would be important for each oligonucleot...
Source: Frontiers in Pharmacology - April 23, 2019 Category: Drugs & Pharmacology Source Type: research

Hesperetin protects against H2O2-triggered oxidative damage via upregulation of the Keap1-Nrf2/HO-1 signal pathway in ARPE-19 cells.
Abstract Age-related macular degeneration (AMD) is an irreversible vision loss disease that primarily results from oxidative stress that causes oxidative damage to the retinal pigment epithelial (RPE) cells. Hesperetin (Hesp) is a common flavanone glycoside compound that has been demonstrated to exhibit a variety of biological and pharmacological properties that include anti-inflammatory and antioxidant properties. The aim of this study is to explore the ability of Hesp to attenuate oxidative damage in hydrogen peroxide (H2O2)-stimulated ARPE-19 cells. The results indicated that Hesp treatment not only increased c...
Source: Biomedicine and pharmacotherapy = Biomedecine and pharmacotherapie - January 15, 2017 Category: Drugs & Pharmacology Authors: Zhu C, Dong Y, Liu H, Ren H, Cui Z Tags: Biomed Pharmacother Source Type: research

Hesperetin protects against H2O2-triggered oxidative damage via upregulation of the Keap1-Nrf2/HO-1 signal pathway in ARPE-19 cells
Publication date: April 2017 Source:Biomedicine & Pharmacotherapy, Volume 88 Author(s): Chao Zhu, Yuchen Dong, Haile Liu, Hua Ren, Zhihua Cui Age-related macular degeneration (AMD) is an irreversible vision loss disease that primarily results from oxidative stress that causes oxidative damage to the retinal pigment epithelial (RPE) cells. Hesperetin (Hesp) is a common flavanone glycoside compound that has been demonstrated to exhibit a variety of biological and pharmacological properties that include anti-inflammatory and antioxidant properties. The aim of this study is to explore the ability of Hesp to attenuate ...
Source: Biomedicine and Pharmacotherapy - January 15, 2017 Category: Drugs & Pharmacology Source Type: research

Inhibition of BET bromodomains alleviates inflammation in human RPE cells.
Abstract Bromodomain-containing proteins are vital for controlling the expression of many pro-inflammatory genes. Consequently, compounds capable of inhibiting specific bromodomain-facilitated protein-protein interactions would be predicted to alleviate inflammation, making them valuable agents in the treatment of diseases caused by dysregulated inflammation, such as age-related macular degeneration. Here, we assessed the ability of known inhibitors JQ-1, PFI-1, and IBET-151 to protect from the inflammation and cell death caused by etoposide exposure in the human retinal pigment epithelial cell line, ARPE-19. The ...
Source: Biochemical Pharmacology - April 18, 2016 Category: Drugs & Pharmacology Authors: Hytti M, Tokarz P, Määttä E, Piippo N, Korhonen E, Suuronen T, Honkakoski P, Kaarniranta K, Lahtela-Kakkonen M, Kauppinen A Tags: Biochem Pharmacol Source Type: research

Intracellular uptake mechanism of lutein in retinal pigment epithelial cells.
CONCLUSION: The uptake of lutein was significantly decreased by 40% compared with the control uptake level. This suggested that active transport of lutein into ARPE-19 cells is mainly via SR-B1, given the result that lutein uptake at 4ºC was about 40% less that that at 37ºC. PMID: 24021296 [PubMed - indexed for MEDLINE]
Source: Journal of Pharmacy and Pharmaceutical Sciences - December 2, 2014 Category: Drugs & Pharmacology Tags: J Pharm Pharm Sci Source Type: research

Delivery systems for siRNA drug development in cancer therapy
Publication date: Available online 28 August 2014 Source:Asian Journal of Pharmaceutical Sciences Author(s): Cong-fei Xu , Jun Wang Since the discovery of the Nobel prize-winning mechanism of RNA interference (RNAi) ten years ago, it has become a promising drug target for the treatment of multiple diseases, including cancer. There have already been some successful applications of siRNA drugs in the treatment of age-related macular degeneration and respiratory syncytial virus infection. However, significant barriers still exist on the road to clinical applications of siRNA drugs, including poor cellular uptake, instabilit...
Source: Asian Journal of Pharmaceutical Sciences - October 12, 2014 Category: Drugs & Pharmacology Source Type: research