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1.
Article in Chinese | WPRIM | ID: wpr-910539

ABSTRACT

In recent years, immunotherapy has become the hottest topic in the field of oncology. Both the Keynote189 study and the Keynote407 study have confirmed that progression-free survival is significantly prolonged in patients who have been benefited from immune checkpoint blockades in lung cancer. In an article published in The New England Journal of Medicine in 2012, a case report of radiation abscopal effects caused by immunization combined with conventional radiotherapy has attracted great attention in the field of oncology. The Pacific study, published in 2017, expanded the indications for immunotherapy from advanced to locally-advanced non-small cell lung cancer. The second analysis of Keynote001, published in the Lancet Oncology in the same year, suggested that radiation therapy may mediate the immune memory effects, whereas the mechanism and time window are still unclear. With the publication of PEMBRO-RT study and several pieces of work by our team in recent years, various details of radiotherapy combined with immunotherapy (iRT) have become more mature. In clinical practice, iRT is involved in the full treatment of lung cancer. However, iRT is not a hodgepodge or stew that needs further refinement and sorting. In this article, the principles, efficacy in clinical practice, and exploration of the details of iRT were discussed.

2.
Chinese Journal of Zoonoses ; (12): 916-919, 2017.
Article in Chinese | WPRIM | ID: wpr-667727

ABSTRACT

We typed Yersinia pestis isolated from plague foci of Shaanxi Province using different region (DFR) and analyzed epidemiological characteristics.Twenty-three DFRs primers and PMT1 (plasmid) primer were used to verify the DFR genomovars and 48 Yersinia pestis were involved to analyze DFR profiles and epidemiological characteristics.In the same year,the genotypes of Yersinia pestis isolated from different infected vector and animals were basically the same.Three genomovars named Genomovar 11,17,and 20 were verified in 48 Yersinia pestis strains in Shaanxi Province.The main genotypes were different in different epidemic years.In 1987-1988 and 2000-2001 years,genomovar 17 was major genomovar and genomovar 20 in 2006 year.In conclusion,the dominant genotypes were different in different epidemic years.As time goes on,DFR genomovars of Yersinia pestis undergone the evolution of gene deletion,which changes genomovar 17 into genomovar 20.

3.
The Journal of Practical Medicine ; (24): 3070-3072, 2014.
Article in Chinese | WPRIM | ID: wpr-459806

ABSTRACT

Objective To investigate the expression level and promoter methylation of SOX17 gene and the clinical correlations in Chinese patients with chronic myeloid leukemia ( CML ) . Methods The levels of SOX17 expression and methylation were detected by RQ-PCR and RQ-MSP. Results SOX17 expression level was significantly lower in CML compared with 30 controls (P=0.001). The area under the receiver operating characteristic (ROC) curve (AUC) was 0.748 to differentiate CML from control (P=0.001). There was a trend of correlation between SOX17 expression and bcr/abl transcript (r = 0.439,P = 0.068) in CML patients. Hypermethylation of SOX17 promoter was detected in 3 (4%) CML patients, however, there was no difference as compared with 32 controls. In our study, SOX17 hypermethylation was not corrected with its expression. Conclusion Decreased SOX17 expression is a common molecular event in CML and may be considered as an available biomarker to diagnose CML. Dysregulated SOX17 is not caused by promoter hypermethylation in CML.

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