MLL4 Regulates the Progression of Non–Small-Cell Lung Cancer by Regulating the PI3K/AKT/SOX2 Axis / Journal of the Korean Cancer Association, 대한암학회지

Purpose@#Mixed-lineage leukemia protein 4 (MLL4/KMT2D) is a histone methyltransferase, and its mutation has been reported to be associated with a poor prognosis in many cancers, including lung cancer. We investigated the function of MLL4 in lung carcinogenesis. @*Materials and Methods@#RNA sequencing (RNA-seq) in A549 cells transfected with control siRNA or MLL4 siRNA was performed. Also, we used EdU incorporation assay, colony formation assays, growth curve analysis, transwell invasion assays, immunohistochemical staining, and in vivo bioluminescence assay to investigate the function of MLL4 in lung carcinogenesis. @*Results@#We found that MLL4 expression was downregulated in non–small cell lung cancer (NSCLC) tissues compared to adjacent normal tissues and tended to decrease with disease stage progression. We analyzed the transcriptomes in control and MLL4- deficient cells using high-throughput RNA deep sequencing (RNA-seq) and identified a cohort of target genes, such as SOX2, ATF1, FOXP4, PIK3IP1, SIRT4, TENT5B, and LFNG, some of which are related to proliferation and metastasis. Our results showed that low expression of MLL4 promotes NSCLC cell proliferation and metastasis and is required for the maintenance of NSCLC stem cell properties. @*Conclusion@#Our findings identify an important role of MLL4 in lung carcinogenesis through transcriptional regulation of PIK3IP1, affecting the PI3K/AKT/SOX2 axis, and suggest that MLL4 could be a potential prognostic indicator and target for NSCLC therapy.

Effects of apatinib on quality of life and immune function in older adult patients with advanced non-small cell lung cancer / 中国基层医药

Objective:To analyze the effects of apatinib on quality of life and immune function in older adult patients with advanced non-small cell lung cancer.Methods:A total of 187 older adult patients with advanced non-small cell lung cancer admitted to Taizhou Cancer Hospital from January 2017 to January 2021 were included in this study. They were divided into the control group ( n = 93) and the observation group ( n = 94). The control group was treated with carboplatin combined with pemetrexed and the observation group was treated with apatinib based on carboplatin and pemetrexed. Sign and symptoms remission was compared between the observation and control groups. The levels of tumor markers, immune function, and quality of life score were compared between the two groups before and after treatment. Results:Total remission rate in the observation group was significantly higher than that in the control group (88.30% vs. 69.89%, χ2 = 9.59, P < 0.05). After treatment, carbohydrate antigen 125, carbohydrate antigen 50, and carcinoembryonic antigen in the observation group were (16.25 ± 5.47) μg/L, (15.23 ± 3.27) μg/L and (5.91 ± 2.66) mg/L, respectively, which were significantly lower than (21.49 ± 6.61) μg/L, (19.11 ± 3.48) μg/L and (10.14 ± 2.73) mg/L in the control group ( t = 5.91, 7.86, 10.73, all P < 0.05). The percentage of CD3 + and CD4 + cells, and the ratio of CD4 +/CD8 + cells in the observation group were (69.34 ± 8.85)%, (38.15 ± 6.52)%, (1.40 ± 0.33), respectively, which were significantly higher than (64.51 ± 8.74)%, (33.55 ± 6.33)%, (1.23 ± 0.25) in the control group ( t = -3.75, -5.36, -3.97, all P < 0.05). Quality of life score was increased in each group ( P < 0.001). The amplitude of increase in quality of life score was greater in the observation group compared with the control group ( P < 0.001). Conclusion:Apatinib can effectively reduce the level of tumor markers and improve immune function in older adult patients with advanced non-small cell lung cancer and improve quality of life.

Deregulation of hsa_circ_0001971/miR-186 and hsa_circ_0001874/miR-296 signaling pathways promotes the proliferation of oral squamous carcinoma cells by synergistically activating SHP2/PLK1 signals.

It has been demonstrated that circ_0001874 and circ_0001971 are potential biomarkers for the diagnosis of oral squamous carcinoma (OSCC). MiR-186 was reported to serve as a tumor suppressor in OSCC, and the down-regulation of miR-186 was reported to lead to higher expression of oncogenic factor SHP2 and the activation of growth promoting signaling. In this study, we aimed to explore the possible molecular role of circ_0001874 and circ_0001971 signaling in the pathogenesis of OSCC. RT-qPCR, Western blot, online bioinformatics tools and luciferase assay were utilized to study the molecular signaling pathways of circ_0001874 and circ_0001971. MTT assay and FCM assay were performed to investigate the synergistic effect of circ_0001971 and circ_0001874 on cell proliferation and apoptosis. By observing the effect of different miRNAs on the levels of circ_0001847 and circ_0001971, it was identified that circ_0001847 and circ_0001971 respectively sponged the expression of miR-296 and miR-186 via binding to these miRNAs. Also, SHP2 mRNA and PLK1 mRNA were respectively targeted by miR-186 and miR-296-5p. We also established two signaling pathways, i.e., circ_0001971/miR-186/SHP2 and circ_0001874/miR-296-5p/PLK1, and validated the synergistic effect of circ_0001971 and circ_0001874 via observing their positive effect on cell proliferation and negative effect on cell apoptosis. The expression of miR-186 and miR-296-5p was generally lower in saliva of OSCC patients compared with that in OLK patients, while the expression of miR-186 and miR-296-5p was specifically up-regulated in saliva of OSCC patients. In conclusion, the finding of this study demonstrated that the relative level of hsa_circ_0001971 and hsa_circ_0001874 were different in the saliva of OSCC patients and could be used as predictive biomarkers for the development of OSCC. Furthermore, oncogenic effects of hsa_circ_0001971 and hsa_circ_0001874 in the development of OSCC might be, at least partially, mediated by its downstream signaling pathways including hsa_circ_0001971/microRNA-186/SHP2 and hsa_circ_0001874/microRNA-297/PLK1.

Ginsenoside Rg1 ameliorates blood-brain barrier disruption and traumatic brain injury

During the traumatic brain injury (TBI), improved expression of circulatory miR-21 serves as a diagnostic feature. Low levels of exosome-miR-21 in the brain can effectively improve neuroinflammation and blood-brain barrier (BBB) permeability, reduce nerve apoptosis, restore neural function and ameliorate TBI. We evaluated the role of macrophage derived exosomes-miR-21 (M-Exos-miR-21) in disrupting BBB, deteriorating TBI, and Rg1 interventions. IL-1

Prevalence of anemia during pregnancy in China, 2012-2016: a Meta-analysis / 中华预防医学杂志

Objective@#To understand the prevalence and epidemiological features of anemia during pregnancy in China.@*Methods@#The literature retrieval was conducted by using China Biology Medicine disc (CBMdisc), China National Knowledge Infrastructure (CNKI), Wanfang Data, China Science and Technology Journal Database (CSTJ), PubMed, Cochrane Library and Embase database. The time was from January 2012 to October 2017, and the language was limited to Chinese and English. The Chinese and corresponding English search terms included pregnancy, anemia, epidemiology and prevalence.@*Results@#A total of 28 papers were included. The total number of participants investigated was 58 752, with 11 588 cases with anemia during pregnancy identified. The overall prevalence of anemia during pregnancy was 19.9% (95%CI: 16.3%-23.5%). The prevalence varied in anemia with different levels. The prevalence of mild, moderate and severe anemia were 15.9% (95%CI: 11.7%-20.2%), 5.7% (95%CI: 4.5%-6.8%) and 1.3% (95%CI: 0.8%-1.8%) respectively. The prevalence of mild anemia was highest and the prevalence of severe anemia was lowest. The prevalence of anemia increased with gestational weeks. The prevalence of anemia at the first, second and third trimester of pregnancy were 10.1% (95%CI: 6.2%-14.0%), 26.7% (95%CI: 18.0%-35.5%) and 28.1% (95%CI: 21.0%-35.1%) respectively. Both degree and gestational week subgroup analysis showed a significant difference among groups (P<0.05). There were no statistically significant differences among subgroups of cut-off year, region, resident area, age, education level and parity (P>0.05).@*Conclusion@#The prevalence of anemia during pregnancy in China had remained at a low level during the past 5 years. The prevalence of mild anemia was higher than that of moderate and severe anemia. The prevalence of anemia in women at the second and third trimester of pregnancy was higher than that at the first trimester of pregnancy. Women at the second and third trimester of pregnancy should be attached a great importance in the prevention and control of anemia during pregnancy.

Expression and clinical significance of plasma long non-coding RNA MALAT1 in patients with oral squamous cell carcinoma / 实用口腔医学杂志

Objective: To investigate the expression of long non-coding RNA (lncRNA) metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) in plasma of patients with oral squamous cell carcinoma (OSCC) and its clinical significance. Methods: 70 OSCC patients and 50 healthy controls were included. The relative expression of MALAT1 in plasma was examined by quantitative realtime PCR. The expression of MALAT1 in plasma in 15 OSCC patients was analyzed retrospectively 30 days after operation. Results: The expression level of MALAT1 in plasma of OSCC patients was significantly higher than that of healthy controls(P＜ 0. 001). The expression level of MALAT1 in OSCC patients was significantly correlated with TNM stage, tumor differentiation and lymph node metastasis(P＜ 0. 05). After operation the expression level of MALAT1 in plasma of OSCC patients was significantly decreased(P＜ 0. 001). The AUC of the diagnosis of OSCC with MALAT1 was 0. 814, and the sensitivity and specificity were 87. 43％ and 72. 00％ respectively. Conclusion: MALAT1 can be used as an auxiliary diagnostic marker for OSCC.

Circular RNA circHIPK3 acts as the sponge of microRNA-124 to promote human oral squamous cell carcinoma cells proliferation / 中华口腔医学杂志

Objective@#To explore the expression and clinical significance of circular RNA circHIPK3 in oral squamous cell carcinoma (OSCC), analyze the effect of circHIPK3 on the proliferation of OSCC cells.@*Methods@#The expression of circHIPK3 in OSCC tissues, adjacent non-cancerous tissues and OSCC cell lines were detected by quantitative real-time polymerase chain reaction (qPCR). The correlations between the expression of circHIPK3 in OSCC tissues and the clinicopathological features were analyzed as well. circHIPK3-specific siRNA si-circHIPK3 and negative control siRNA si-NC were designed and synthesised and used to transfect CAL27 and SCC15 cells respectively. The proliferation capacity of CAL27 and SCC15 cells after transfection with si-circHIPK3 was detected by CCK-8 assay. The expression of miR-124 in OSCC was detected by qPCR, and the correlation between expression of circHIPK3 and the expression of miR-124 was analyzed. Using qPCR to detect the expression of miR-124 in CAL27 and SCC15 cells after transfection with si-circHIPK3 and si-NC respectively. Furthermore, using CCK-8 assay to detect the proliferation capacity of CAL27 and SCC15 cells after transfection with si-NC, si-circHIPK3, miR-124 mimic, si-circHIPK3+miR-124 inhibitor.@*Results@#The expression of circHIPK3 in OSCC tissues [2.23 (1.86, 3.00)] was significantly higher than that of the adjacent non-cancerous tissues [1.05 (0.85, 1.26)] (U=1 094, P=0.000). The expression of circHIPK3 in CAL27 (3.02±0.51) and SCC15 cells (3.16±0.75) was higher than those of human normal oral keratinocytes (hNOK) (1.26±0.30) (P=0.000). The expression of circHIPK3 was found to be closely associated with TNM stage (P<0.05) and tumor grades (P<0.05). Knockdown of circHIPK3 can inhibit proliferation of CAL27 and SCC15 cells (P<0.05). The expression of miR-124 in OSCC tissues (0.61±0.35) was significantly lower than that in adjacent non-cancerous tissues (1.13+0.39) (t=-5.36, P<0.05). Correlation analysis showed that the expression of circHIPK3 in OSCC was negatively correlated with the expression of miR-124 (r=-0.767, P<0.001). Moreover, down-regulation of miR-124 rescued the phenotype induced by knockdown of circHIPK3.@*Conclusions@#The expression of circHIPK3 in OSCC was increased, and silencing of circHIPK3 expression can inhibit the proliferation of OSCC cells. Our results suggest that circHIPK3 may play a key role in the occurrence and development process of OSCC through the regulation of miR-124 expression.

Adverse reactions of acupoint embedding and its treatment / 中国针灸

In this paper the adverse reactions of acupoint embedding and its treatment are summarized, including fever, infection, callosity, blood stasis, red swelling, numb swelling, pain, fester, ulcer, etc. It is consi-dered that adverse reactions are induced by the inappropriate operation, special constitution and embedding material. Thus we need to pay attention to standard manipulation, the contraindication, and cautious usage. Symptomatic treatment needs to be implemented timely once adverse reactions occur.