This paper presents inaccuracies and mistakes. Therefore, the article "Circ0021205 aggravates the progression of non-small cell lung cancer by targeting miRNA-16-5p/VEGFA, by Y. Yang, X.-J. Huang, published in Eur Rev Med Pharmacol Sci 2020; 24 (1): 213-221-DOI: 10.26355/eurrev_202001_19913-PMID: 31957834" has been withdrawn. The Publisher apologizes for any inconvenience this may cause. https://www.europeanreview.org/article/19913.

Increasing evidence suggests that intestinal microbiota dysbiosis and chronic inflammation contribute to colorectal cancer (CRC) development. γδ T cells represent a major innate immune cell population in the intestinal epithelium that is involved in the maintenance of gut homeostasis, inflammation regulation, and carcinogenesis. The important contributions of γδ T cells are (i) to perform a protective role in the context of barrier damage and pathogenic microorganism translocation; (ii) to exert either pro- or anti-inflammatory effects at different inflammatory stages; and (iii) to boost the crosstalk between immune cells and tumor microenvironment, inducing a cascade of suppressive immune responses. Understanding the crucial role of γδ T cells would enable us to manipulate these cells during the CRC sequence and improve the efficacy of tumor therapy.

Split- and hairy-related protein-2 (SHARP-2) controls the expression of interleukin-2 (IL-2) and interferon-γ (IFN-γ), which both play a key role in transplant rejection. This study was designed to investigate whether SHARP-2 short hairpin RNA interference (shRNAi) could prolong the survival of rat kidney transplant recipients. A lentiviral-based shRNAi construct, LV-SHARP-2iC, showed a SHARP-2 gene silencing efficiency of 84% in normal rat kidney cells. In activated T-cells, SHARP-2 gene silencing with the LV-SHARP-2iC construct resulted in 61% and 69% down-regulation of IL-2 and IFN-γ, respectively, compared with a scramble control construct. When donor kidney was perfused with 5 × 107 transforming units of the LV-SHARP-2iC construct, the median survival time of the transplant recipients was prolonged by 4–5 days compared with control groups. In conclusion, recombinant lentiviral LV-SHARP-2iC construct effectively silenced SHARP-2 gene expression, which reduced IL-2 and IFN-γ mRNA expression and prolonged rat kidney transplant recipients' survival.

OBJECTIVE:HBX is an essential viral protein that is important for HBV replication and might be a cofactor in the development of hepatocellular carcinoma. So many researchers are trying to find out the antagonistic factors of HBX. RMP, a newly cloned RNA polymerase II subunit RPB5 mediate protein, represses the transcription transactivation of HBV X protein. The purpose of this study was to elucidate the mechanism how RMP represses the transactivation of HBX.METHODS:In this report, DNA recombinant technique in vitro protein-protein binding assay (Pull-Down assay) and chloramphenicol acetyltransferase assay were used.RESULTS:The d10 domain of TF2B are responsible for binding to RMP, which is same as TF2B binding to the HBX protein. RMP specifically disrupts the binding between TF2B and HBX protein, vice versa HBX protein also disrupt the interaction of TF2B-RMP as demonstrated by the in vitro protein binding competition assay. Overexpression of RMP represses HBX transactivation on the reporters with HBX responsive cis-elements in transient transfected COS-1 cells. The repression can be rescued by overexpression of TF2B.CONCLUSION:The results clearly suggested that transcription co-activator HBX protein and corepressor RMP competitively associated with TF2B. Disrupting the interaction between transcription co-repressor RMP with TF2B is probably one of the mechanisms to account for the transcriptional transactivation of HBX protein.

OBJECTIVE:In order to demonstrate the binding of HBV X protein (HBX) with the general transcription factor TFIIB.METHODS:In vitro glutathion S-transferase (GST) resin Pull-Down assay and Far-Western Blotting assay, in vivo Co-immunoprecipition assay were used.RESULTS:The X199 (51-99) domain of HBX is reponsible for HBX binding to TFIIB. While the d10 domain (125-295) of TFIIB is required for TFIIB binding to HBX. When the two basic amino acids (K) at position 178 and 189 of TFIIB were substituted by neutral amino acids (L), the binding of TFIIB K178L and K189L to HBX was siginificantly reduced. When the the basic amino acids were substituted by the acidic amino acids (E), the binding of TFIIB K178E and K189E to HBX were almost lost. In vitro results of HBX binding to TFIIB were further confirmed by in vivo co-immunoprecipitation assay. Our results also indicated that the Woodchuck hepatitis virus X protein (WHX) interacts with TFIIB.CONCLUSION:These results suggested that the communication between HBX and general transcription factor TFIIB is one of the mechanisms which account for its transcriptional transactivation.