TRPV4 channel is involved in HSV-2 infection in human vaginal epithelial cells through triggering Ca oscillation.

Herpes simplex virus (HSV) infection induces a rapid and transient increase in intracellular calcium concentration ([Ca]), which plays a critical role in facilitating viral entry. T-type calcium channel blockers and EGTA, a chelate of extracellular Ca, suppress HSV-2 infection. But the cellular mechanisms mediating HSV infection-activated Ca signaling have not been completely defined.

Use of the alkaline phosphatase to prealbumin ratio as an independent predictive factor for the prognosis of gastric cancer.

Background: Gastric cancer (GC) is characterized by a low 5-year survival rate. The prognosis is still not satisfactory although it has significantly improved due to developments in medicine. Thus, the identification of more efficient indices for the evaluation of GC prognosis is required.

Identification of New Therapeutic Targets for Gastric Cancer With Bioinformatics.

We aimed to identify new targets affecting gastric cancer (GC) prognosis. Six target genes were identified from hub genes based on their relationship with important factors affecting tumor progression, like immune infiltration, purity, tumor mutation burden (TMB), and tumor microenvironment (TME) score. The effect of target genes' somatic mutations and copy number alteration (CNA) was examined to determine their effect on GC prognosis.

Chemokine receptor 4 expression is correlated with the occurrence and prognosis of gastric cancer.

Gastric cancer (GC) is a common tumor with a low 5-year survival rate. The chemokine receptor 4 (CXCR4) protein contributes to the progression and prognosis of GC, but the relationship between CXCR4 and immune infiltration, somatic copy number alteration (SCNA), tumor purity, tumor mutation burden (TMB), cytolytic activity (CYT), and drug sensitivity in GC is poorly understood. This study aimed to systematically explore the role of CXCR4 in GC.

Function of fibroblast growth factor 2 in gastric cancer occurrence and prognosis.

The present study aimed to explore the role of fibroblast growth factor 2 (FGF2) in the development and prognosis of gastric cancer (GC). The relationship between FGF2 mRNA expression levels and the clinical characteristics of GC was investigated using microarray data from four GC cohorts involving 726 patients obtained from the Gene Expression Omnibus. The results of the present study indicated that FGF2 expression levels were an independent factor affecting the prognosis of GC.

Usefulness of large-section cytokeratin 20 in the detection of intestinal wall infiltration and mesangial metastasis in patients with middle and lower rectal cancer.

Objective: The objective of the study was to evaluate the usefulness of large-section cytokeratin 20 (CK20) staining technique in the detection of infiltration on the distal wall and mesangial metastasis in patients with middle and lower rectal cancer.

Materials And Methods: A total of 62 patients with rectal cancer in the middle and lower segment were studied on large slices stained with CK20. Logistic regression was used to analyze the clinicopathologic factors related to distal low and middle rectal cancer metastasis to the mesorectum and rectal wall.

Promotion of Sema4D expression by tumor-associated macrophages: Significance in gastric carcinoma.

Aim: To study the role of semaphorin 4D (Sema4D) expression promoted by tumor-associated macrophages (TAMs) in gastric carcinoma cells and its clinical significance in the invasion and metastasis of gastric carcinoma.

Methods: CD68 and Sema4D expression was analyzed in gastric carcinoma and adjacent normal tissues from 290 patients using the immunohistochemical streptavidin-peroxidase method, and their relationships with clinicopathological features were evaluated. Human M2 macrophages were induced and co-cultured in non-contact with gastric carcinoma SGC-7901 cells.

Activation of HIFa pathway in mature osteoblasts disrupts the integrity of the osteocyte/canalicular network.

The hypoxia-inducible factors (HIFs), HIF-1α and HIF-2α, are the central mediators of the homeostatic response that enables cells to survive and differentiate in low-oxygen conditions. Previous studies indicated that disruption of the von Hippel-Lindau gene (Vhl) coincides with the activation of HIFα signaling. Here we show that inactivation of Vhl in mature osteoblasts/osteocytes induces their apoptosis and disrupts the cell/canalicular network.

Semaphorin 4D and hypoxia-inducible factor-1α overexpression is related to prognosis in colorectal carcinoma.

Aim: To investigate semaphorin 4D (Sema4D) and hypoxia-inducible factor-1α (HIF-1α) expression in colorectal carcinoma and evaluate their clinicopathological and prognostic significance.

Methods: Eighty-six curatively resected colorectal carcinoma patients at different stages of disease were randomly selected from the group of patients who underwent surgery, and none of them received preoperative radiochemotherapy. Normal proximal adjacent bowel tissue, which served as an internal control, was obtained from 52 randomly selected patients.

Heme oxygenase-1 promotes Caco-2 cell proliferation and migration by targeting CTNND1.

Background: Heme oxygenase-1 (HO-1) can be induced by inflammatory cytokines, oxidation, ischemia, hypoxia, and endotoxins. As a "graft survival protective gene," HO-1 is a hot spot in organ transplantation research. However, the role of HO-1 gene expression in the function of human colon adenocarcinoma cell line (Caco-2) cells has not been reported previously.

Down-regulation of miR-622 in gastric cancer promotes cellular invasion and tumor metastasis by targeting ING1 gene.

Aim: To evaluate the biological and clinical characteristics of miR-622 in gastric cancer.

Methods: We analyzed the expression of miR-622 in 57 pair matched gastric neoplastic and adjacent non-neoplastic tissues by quantitative real-time polymerase chain reaction. Functional analysis of miR-622 expression was assessed in vitro in gastric cancer cell lines with miR-622 precursor and inhibitor.

[Regulation of hypoxia inducible factor-1alpha on osteoblast function in osteogenesis].

Objective: To explore the regulation of hypoxia inducible factor-1alpha (HIF-1alpha) on osteoblast function in osteogenesis.

Methods: Skull-cap bone of HIF-1alpha Loxp/Loxp and VHL Loxp/Loxp C57/BL6 mice were taken out and cultured so as to obtain osteoblasts which were infected with the recombinant adenovirus Ad-Cre so as to conditionally knock out the HIF-1alpha gene and its up-stream gene for von Hippel-Lindau disease (VHL) using Cre-Loxp recombinase technique. Then the osteoblasts were cultured under 2% O2 for 48 hours.

Signaling and regulatory mechanisms of integrin alphavbeta6 on the apoptosis of colon cancer cells.

Considerable researches have been done about integrin alphanubeta6 and carcinomas, but little information has been shown about the relationship between integrin alphanubeta6 and apoptosis. In this study, we investigated the apoptosis and its related signal pathways to integrin alphavbeta6 in colon cancer cells. After we blocked the function of integrin alphavbeta6 in HT29 cells used the monoclonal antibody, the apoptotic cells increased markedly.

Integrin alpha v beta 6 mediates the potential for colon cancer cells to colonize in and metastasize to the liver.

Integrin alpha v beta 6 (alpha v beta 6) is correlated with colon cancer progression. To detect the effects of alpha v beta 6 on liver metastasis, the specificity of alpha v beta 6 against the monoclonal antibody (mAb) 2G2 was examined by immunoprecipitation. Integrin alpha v beta 6-immunoreactivity (IR) in liver metastasis tissues (63 cases) and colon carcinoma (358 cases) were examined.

[Effects of antisense 6 gene on colon cancer cells].

Objective: To investigate the effect of antisense integrin beta6 gene on the growth of colon cancer cells.

Methods: Expressing vector of antisense alphavbeta6 was constructed. Human colon cancer cells of the line HT29 were cultured and divided into 3 groups: Group A, remaining wild type; Group B, transfected with antisense integrin beta6 gene; and Group C, transfected with blank vector.