Targeting gallbladder carcinoma: bone marrow-derived stem cells as therapeutic delivery vehicles of myxoma virus / 中华医学杂志(英文版)

<p><b>BACKGROUND</b>Gallbladder carcinoma (GBC) has a high mortality rate, requiring synergistic anti-tumor management for effective treatment. The myxoma virus (MYXV) exhibits a modest clinical value through its oncolytic potential and narrow host tropism.</p><p><b>METHODS</b>We performed viral replication assays, cell viability assays, migration assays, and xenograft tumor models to demonstrate that bone marrow-derived stem cells (BMSCs) may enhance efficiency of intravenous MYXV delivery.</p><p><b>RESULTS</b>We examined the permissiveness of various GBC cell lines towards MYXV infection and found two supported single and multiple rounds of MYXV replication, leading to an oncolytic effect. Furthermore, we found that BMSCs exhibited tropism for GBC cells within a Matrigel migration system. BMSCs failed to affect the growth of GBC cells, in terms of tumor volume and survival time. Finally, we demonstrated in vivo that intravenous injection of MYXV-infected BMSCs significantly improves the oncolytic effect of MYXV alone, almost to the same extent as intratumoral injection of MYXV.</p><p><b>CONCLUSION</b>This study indicates that BMSCs are a promising novel vehicle for MYXV to clinically address gallbladder tumors.</p>

Research advances in the detection of microRNA / 医学研究生学报

MicroRNA(miRNA),as a class of newly discovered non-protein-coding RNA,is present in eukaryote cells and plays a critical post-transcriptional repressor role in the regulation of gene expression.Many methods have been developed for the harvesting,detection and identification of miRNA and its target genes.Although hundreds of miRNA has been predicted and demonstrated in animals and plants,their definite mechanism,function and target genes are still unknown.Here is a reviews of the research advances methodology of detecting miRNA.