Anti-VSNL1 monoclonal antibody, clone FQS0944

Background/Aims: This study aims to comparing the gene expression profiles and molecular interactions among gastric cardiac adenocarcinomas (GCA), gastric noncardiac adenocarcinomas (GNCA) and their adjacent normal tissues. Methodology: Gene expression profile of GSE29272 was downloaded from Gene expression omnibus. Differentially expressed genes (DEGs) were identified at the cut-off of p-value <= 0.01. Gene ontology (GO) enrichment analysis was further performed for the DEGs, and then the binding sites of the transcriptional factors and the specific protein-protein interactions were analyzed. Results: Total 1024 DEGs were screened, including 741 up-regulated genes and 283 down-regulated genes. VSNL1 (visinin-like protein-1) is expressed relatively higher in the GNCA and could be its molecular biomarker, as KRT14 (cytokeratin 14) in the GCA. GO analysis showed that the analogous cancer-relevant factors network appears in these two cancer subgroups. The DEGs in the GCA tend to be bound by SPIB and ZNF354C. FN1 lies in the center of the protein-protein interaction networks of the two cancer subgroups. Conclusions: We found out the RNA expression level of the two gastric cancers varied greatly from the normal tissues while gene expression profile of them were very similar, however, the different biomarker and transcriptional factors indicate the differences of two mechanisms.

The authors conducted a genome-wide linkage scan and positional association analysis to identify the genetic determinants of salt sensitivity of blood pressure (BP) in a large family-based, dietary-feeding study. The dietary intervention was conducted among 1,906 participants in rural China (20032005). A 7-day low-sodium intervention was followed by a 7-day high-sodium intervention. Salt sensitivity was defined as BP responses to low- and high-sodium interventions. Signals of the logarithm of the odds to the base 10 (LOD epsilon 3) were detected at 3342 centimorgans of chromosome 2 (2p24.3-2p24.1), with a maximum LOD score of 3.33 for diastolic blood pressure responses to high-sodium intervention. LOD scores were 2.352.91 for mean arterial pressure (MAP) and 0.801.49 for systolic blood pressure responses in this region, respectively. Correcting for multiple tests, single nucleotide polymorphism (SNP) rs11674786 (2.7 kilobases upstream of the family with sequence similarity 84, member A, gene (FAM84A)) in the linkage region was significantly associated with diastolic blood pressure (P 0.0007) and MAP responses (P 0.0007), and SNP rs16983422 (2.8 kilobases upstream of the visinin-like 1 gene (VSNL1)) was marginally associated with diastolic blood pressure (P 0.005) and MAP responses (P 0.005). An additive interaction between SNPs rs11674786 and rs16983422 was observed, with P 7.00 10(5) and P 7.23 10(5) for diastolic blood pressure and MAP responses, respectively. The authors concluded that genetic region 2p24.3-2p24.1 might harbor functional variants for the salt sensitivity of BP.