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Plant-Derived Alkaloids: The Promising Disease-Modifying Agents for Inflammatory Bowel Disease
Conclusion This paper summarizes the current findings regarding the anti-colitis activity of plant-derived alkaloids and shows how these alkaloids exhibit significant and beneficial effects in alleviating colonic inflammation. These natural alkaloids are not only promising agents for IBD treatment but are also components for developing new wonder drugs. However, the underlying molecular mechanisms or toxicological evaluation of most plant-derived alkaloids still require much scientific research, and their actual efficacies for IBD patients have not been verified well in field research. Thus, further clinical trials to elu...
Source: Frontiers in Pharmacology - April 11, 2019 Category: Drugs & Pharmacology Source Type: research

Molecules, Vol. 22, Pages 1754: Emodin Inhibition of Influenza A Virus Replication and Influenza Viral Pneumonia via the Nrf2, TLR4, p38/JNK and NF-kappaB Pathways
In conclusion, emodin can inhibit IAV replication and influenza viral pneumonia, at least in part, by activating Nrf2 signaling and inhibiting IAV-induced activations of the TLR4, p38/JNK MAPK and NF-κB pathways.
Source: Molecules - October 18, 2017 Category: Chemistry Authors: Jian-Ping Dai Qian-Wen Wang Yun Su Li-Ming Gu Ying Zhao Xiao-Xua Chen Cheng Chen Wei-Zhong Li Ge-Fei Wang Kang-Sheng Li Tags: Article Source Type: research

Influenza virus infection induces translocation of apoptosis-inducing factor (AIF) in A549 cells: role of AIF in apoptosis and viral propagation
AbstractIt is recognized that influenza virus induces caspase-dependent apoptosis by activating caspase-3. Apoptosis-inducing factor (AIF) is a caspase-independent cell death effector, and its mitochondrial-nuclear translocation plays an important role in apoptosis. It is demonstrated in this study how influenza virus infection can induce caspase-independent apoptosis in the human alveolar epithelial cell line A549. AIF is translocated from the mitochondria to the nucleus in a caspase-independent manner in response to infection with influenza virus. Knockdown of AIF expression by small interfering RNA (siRNA) led to a redu...
Source: Archives of Virology - February 28, 2017 Category: Virology Source Type: research

hnRNP A2/B1 interacts with influenza A viral protein NS1 and inhibits virus replication potentially through suppressing NS1 RNA/protein levels and NS1 mRNA nuclear export.
In this study, we identified heterogeneous nuclear ribonucleoprotein A2/B1 (hnRNP A2/B1) as an interacting partner of NS1 proteins by a proteomic method. Knockdown of hnRNP A2/B1 by small interfering RNA (siRNA) resulted in higher levels of NS vRNA, NS1 mRNA, and NS1 protein in the virus-infected cells. In addition, we demonstrated that hnRNP A2/B1 proteins are associated with NS1 and NS2 mRNAs and that knockdown of hnRNP A2/B1 promotes transport of NS1 mRNA from the nucleus to the cytoplasm in the infected cells. Lastly, we showed that knockdown of hnRNP A2/B1 leads to enhanced virus replication. Our results suggest that ...
Source: Virology - January 18, 2014 Category: Virology Authors: Wang Y, Zhou J, Du Y Tags: Virology Source Type: research