Background: Warm needle acupuncture (WNA) is a traditional Chinese medicine (TCM) therapy which combines technical advantages of acupuncture and moxibustion. Climacteric insomnia is a common symptom in climacteric women, which can seriously affect the physical and mental health of patients. Relevant studies have been reported that WNA can improve insomnia in climacteric women. In this protocol, the effectiveness and safety of WNA on insomnia in climacteric women will be explored. Methods: Seven electronic databases include 3 English databases [Excerpta Medica database (EMBASE), PubMed, the Cochrane Central Register of Controlled Trials (Cochrane Library)] and 4 Chinese databases [Chinese VIP Information, Chinese National Knowledge Infrastructure (CNKI), Chinese Biomedical Literature Database (CBM) and Wanfang Database] for randomised controlled trials (RCT) of WNA on insomnia in climacteric women will be searched. The changes of the Pittsburgh sleep quality index was used as the main outcome, and the secondary outcome includes the changes of the Kupperman score, serum hormone level, and TCM syndrome score, as well as the adverse events caused by WNA. We will use RevMan software V5.3 to help us to analyze all data and use a Cochrane risk of bias tool to help us to assess the methodological quality for RCTs. Result: This study will provide reliable evidence for WNA on insomnia in climacteric women Conclusion: The findings will be an available reference to evaluate the effectiveness and safety of WNA on insomnia in climacteric women. Registration: PROS-PERO CRD42019125743.
Background Saliva composition has diurnal variations. Citric acid stimulation plays a major role in the change of salivary flow rate and salivary composition. However, diurnal variations and sex differences in salivary alpha-amylase (sAA), pH, salivary flow rate (SFR), and salivary cortisol before and after citric acid stimulation remain unclear. Methods We recruited 30 healthy volunteers, including 15 women (24.7 ± 1.0 years old) and 15 men (25.3 ± 1.3 years old). At four time points (T1, 7:00; T2, 10:00; T3, 16:00; and T4, 20:00), saliva was collected from healthy volunteers before and after citric acid stimulation; and sAA, pH, SFR and salivary cortisol were measured and compared between men and women. Results There were circadian fluctuations in sAA activity, SFR, pH, and cortisol level both before and after citric acid stimulation, and the diurnal fluctuations of these indexes were not affected by citric acid stimulation. There were significant differences in salivary cortisol between men and women before and after acid stimulation in T1. Neither SFR nor pH showed sex-related differences before or after acid stimulation. The variation trend of sAA activity was contrary to that of cortisol, with a significant negative correlation. Conclusions Our data suggest that sAA and cortisol showed diurnal fluctuation, and the variation characteristics of male and female under resting state and acid stimulation were basically the same. The variation trend of salivary alpha-amylase activity was opposite to that of cortisol, with significant negative correlation. Our findings may enable the selection of the correct sampling time for research and the selection of appropriate sampling strategies in studies investigating chronic psychosocial conditions.
Esophageal squamous cell carcinoma (ESCC) showed limited treatment outcome and poor prognosis. This study aimed to screen potential biomarkers and drugs in ESCC. Firstly, GSE26886, GSE111044 and GSE77861 were downloaded from the Gene Expression Omnibus (GEO) database. Next, the differentially expressed genes (DEGs) between cancer and noncancerous tissues were analyzed by the GEO2R. The Gene Ontology (GO) annotation, the Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway annotation, the protein-protein interaction (PPI) analysis and hub genes screened were conducted by some bioinformatic methods, respectively. Lastly, the hub genes and potential drugs were verified by the GEPIA2 and the QuartataWeb database. The results showed that 13 up-regulated genes and 81 down-regulated genes were identified. In GO terms, DEGs were mainly associated with cell proliferation, cell migration and cell differentiation. DEGs did not cluster into the KEGG pathway. After hub genes validated, nine genes (FLG, COL1A1, COL1A2, PSCA, SCEL, PPL, ACPP, CNFN, and A2ML1) expression trends showed no change. Moreover, higher COL1A1 or COL1A2 expression for ESCC patients showed poor prognosis. Finally, five drugs used for promoting blood coagulation were identified. Probably, these drugs could show anticancer effects by promoting blood coagulation or inhibiting vascular formation in cancers, which offers a novel idea for the treatment of ESCC.
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