1.Effect of sodium ferulate on the expression of NF-?B and I?B? in rat brain microvascular endothelial cells injured by hypoxia
Lifen CHEN ; Tao TAO ; Zhen YU ; Changlin HU
Journal of Third Military Medical University 1983;0(03):-
Objective To study the effect of sodium ferulate (SF) on the expressions of nuclear factor-?B (NF-?B) and inhibitory ?B? (I?B?) in rat brain microvascular endothelial cells (BMEC) injured by hypoxia. Methods Brain microvascular endothelial cells from Wistar rat cerebral cortex were isolated and cultured, and then cultivated in 95%N_2 and 5% CO_2 for 12 h to induce hypoxia injury. The cells were divided into normal group, hypoxia group, and SF group. BMEC activity was assayed by MTT assay. Endothelin-1(ET-1) concentration was evaluated by radioimmunoassay.The expression of NF-?B and I?B? of BMEC were assessed by immunocytochemistry. Results The content of ET-1 in BMEC media was increased after hypoxia, while sodium ferulate (100 ?g/ml) significantly decreased the content compared with hypoxia group. Immunocytochemistry indicated I?B? expression were significantly decreased in hypoxia BMEC in consistent with NF-?B expression. Conclusion Sodium ferulate may significantly reduce NF-?B of hypoxia BMEC and nuclear translocation, and increase I?B? expression and BMEC activity. It is a potent inhibitor of NF-?B in endothelial cells, which might explain its beneficial effect on injured BMEC by hypoxia.
3.Summary of best evidence for exercise evaluation and training in children with congenital heart disease
Qiong LE ; Jing TAO ; Hong LAN ; Hongping WANG ; Wenjuan YE ; Mengyao HANG ; Lifen WU
Chinese Journal of Practical Nursing 2022;38(14):1055-1062
Objective:To retrieve relevant evidence on exercise assessment and exercise training for children with congenital heart disease at home and abroad, and to summarize the best evidence to provide reference for clinical medical staff.Methods:UpToDate, National Guidelines Clearinghouse (NGC), Registered Nurses Association of Ontario (RNAO), Scottish Intercollegiate Guidelines Network (SIGN), National Institute for Health and Care Excellence (NICE), BMJ Best Practice, American Heart Association (AHA), Cochrane Library, Joanna Briggs Institute(JBI) Evidence-Based Health Care Center Database, PubMed, CINAHL, China Biomedical Literature Database, Yimaitong, Wangfang Database, CNKI were searched, related evidence on exercise assessment and exercise training for children with congenital heart disease. The search period was from the establishment of the database to March 2021. Clinical decision-making and recommended practice used retrospective evaluation methods for quality evaluation; guidelines used the 2012 version of the clinical guideline research and evaluation system (AGREE Ⅱ) for evaluation; systematic reviews used the systematic evaluation tool (AMSTAR) for evaluation; expert consensus used JBI (2016 version) evaluate the authenticity evaluation tools of opinions and consensus articles. Two researchers independently evaluated the literature, combined with the judgment of professionals, and extracted the literature data that met the standards.Results:A total of 15 documents were included, including 2 clinical decisions, 4 guidelines, 1 recommended practice, 5 systematic reviews, 3 expert consensus, and 22 best evidences. Including related personnel, exercise evaluation, exercise monitoring, exercise classification, exercise training, and exercise follow-up.Conclusions:This study summarizes the best evidence of exercise assessment and exercise training for children with congenital heart disease, and provides evidence-based evidence for clinical practice. It is recommended that children with congenital heart disease undergo exercise assessment and formulate a personalized exercise training program to promote the transformation of the best evidence into clinical practice.
4.HID-1 is a peripheral membrane protein primarily associated with the medial- and trans- Golgi apparatus.
Lifen WANG ; Yi ZHAN ; Eli SONG ; Yong YU ; Yaming JIU ; Wen DU ; Jingze LU ; Pingsheng LIU ; Pingyong XU ; Tao XU
Protein & Cell 2011;2(1):74-85
Caenorhabditis elegans hid-1 gene was first identified in a screen for mutants with a high-temperature-induced dauer formation (Hid) phenotype. Despite the fact that the hid-1 gene encodes a novel protein (HID-1) which is highly conserved from Caenorhabditis elegans to mammals, the domain structure, subcellular localization, and exact function of HID-1 remain unknown. Previous studies and various bioinformatic softwares predicted that HID-1 contained many transmembrane domains but no known functional domain. In this study, we revealed that mammalian HID-1 localized to the medial- and trans- Golgi apparatus as well as the cytosol, and the localization was sensitive to brefeldin A treatment. Next, we demonstrated that HID-1 was a peripheral membrane protein and dynamically shuttled between the Golgi apparatus and the cytosol. Finally, we verified that a conserved N-terminal myristoylation site was required for HID-1 binding to the Golgi apparatus. We propose that HID-1 is probably involved in the intracellular trafficking within the Golgi region.
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Brefeldin A
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pharmacology
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Cell Line, Tumor
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Cytosol
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drug effects
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metabolism
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Humans
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drug effects
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metabolism
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metabolism
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Protein Transport
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drug effects
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Rats
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Vesicular Transport Proteins
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metabolism
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trans-Golgi Network
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drug effects
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metabolism
5.Research progress of acetyl-CoA carboxylase in cancer metabolism
Leihong DENG ; Lifen PENG ; Tao ZENG ; Haichao CHAO
Journal of International Oncology 2018;45(4):234-237
Abnormal fatty acid metabolism is one of the unique metabolic ways in which malignant cells maintain their growth needs and plays a crucial role in tumor progression.Acetyl-CoA carboxylase (ACC) is the rate-limiting enzyme in fatty acid synthesis and oxidative metabolism.More and more researches confirm that ACC is highly expressed in many tumors,and is closely related to tumor progression and prognosis of patients,which makes ACC as a potential marker for clinical diagnosis and prognosis.Tumor cell fatty acid synthesis can be blocked and fatty acid β oxidation can be stimulated by inhibiting the activity of ACC,resulting in serious lipid consumption of tumor,and then inhibit tumor growth and proliferation.Investigating the effect and molecular mechanisms of ACC in the genesis and development of tumors can provide a new insight into cancer targeted molecular therapy.
6.A randomized controlled study on the effect of linaclotide with polyethylene glycol in bowel preparation
Tao TAN ; Shanshan DUN ; Lifen XIONG ; Zhifeng LIU ; Juan WU ; Huijuan WU ; Chunyan LIU ; Shuyu LI
Chinese Journal of Digestion 2022;42(10):681-685
Objective:To evaluate the efficacy and safety of linaclotide with polyethylene glycol in bowel preparation.Methods:From September 2021 to February 2022, 240 patients who visited the Department of Gastroenterology, Third People′s Hospital of Hubei Province, Jianghan University and underwent colonoscopy were selected. According to the random number table, in the ratio of 1 to 1, the patients were divided into the linaclotide with polyethylene glycol group and the simple polyethylene glycol group, with 120 cases in each group. The patients in the linaclotide with polyethylene glycol group took 580 μg linaclotide and 2 L polyethylene glycol electrolyte powder solution, and the patients in the simple polyethylene glycol group took 3 L polyethylene glycol electrolyte powder solution. The Boston bowel preparation scale(BBPS) score, the detection rate of polyps or adenomas, the insertion time of colonoscopy, the withdrawal time of colonoscopy, the time of the first defecation, the frequency of defecations, the success rate of cecal intubation, the occurrence of adverse effects and the satisfaction rate of patients were compared between the 2 groups. Independent sample t test and chi-square test were used for statistical analysis. Results:A total of 235 patients completed bowel preparation and accepted colonoscopy. There were no statistically significant differences in the BBPS score, the detection rate of polyps or adenomas, the insertion time of colonoscopy, the withdrawal time of colonoscopy, the success rate of cecal intubation and the frequency of defecations between the linaclotide with polyethylene glycol group and simple polyethylene glycol group(7.3±1.1 vs. 7.0±1.2; 58.1%, 68/117 vs. 60.2%, 71/118; 38.5%, 45/117 vs. 39.8%, 47/118; (4.2±1.9) min vs.(4.3±1.6) min; (5.9±2.7) min vs.(6.2±2.4) min; 100.0%, 117/117 vs. 100.0%, 118/118; 5.3±2.3 vs. 5.1±2.7; all P>0.05). The rate of adverse effects of the linaclotide with polyethylene glycol group was lower than that of simple polyethylene glycol group(25.6%, 30/117 vs. 39.8%, 47/118), the satisfaction rate of patients was higher than that of the simple polyethylene glycol group (93.2%, 109/117 vs. 76.3%, 90/118), and the differences were statistically significant( χ2=0.24 and 0.64, P=0.018 and 0.031). Conclusion:Compared with the 3 L polyethylene glycol regimen, 580 g linaclotide with 2 L polyethylene glycol regimen can achieve the same bowel preparation effect with higher safety and patient satisfaction, which is worthy of clinical application.
7.Development and application of cue-based feeding process in premature infants
Qiong LE ; Jing TAO ; Hong LAN ; Hongping WANG ; Lifen WU
Chinese Journal of Practical Nursing 2023;39(23):1822-1828
Objective:To establish a prompt based feeding process for premature infants and explore its application effects.Methods:This study was a quasi-experimental research method. Firstly, the best evidence of prompt feeding for premature infants was systematically searched and summarized, and the expert consultation method and clinical practice were used to finally formulate a prompt feeding process for premature infants. The process was applied to clinical practice. A total of 82 hospitalized premature infants in the neonatal intensive care unit of Union Hospital, Tongji Medical College, Huazhong University of Science and Technology from October 2021 to March 2022 were selected as the control group, and routine feeding management was implemented. A total of 86 hospitalized premature infants from April to September 2022 were selected as the observation group. Feeding management for premature infants based on the prompt feeding process was followed, and the feeding efficiency, transition time of full oral feeding, and days of gastric tube retention, hospital stay and the incidence of feeding related complications in the two groups were compared.Results:The effective recovery rates of the two rounds of expert correspondence questionnaires were 100%, and the authoritative coefficients of expert opinions were 0.863 and 0.875, respectively. The Kendall harmony coefficients of expert opinions were 0.156 and 0.202, respectively, and the significance tests were all P<0.05. The total oral feeding rate of the observation group was 59.84%(5 256/8 784), the mixed feeding rate was 12.26%(1 077/8 784), and the tube feeding rate was 27.90%(2 451/8 784). Compared with the control group′s 52.20%(4 698/9 000), 14.68%(1 321/9 000), and 33.12%(2 981/9 000), the difference was statistically significant ( χ2 = 105.21, P<0.05). The transition time of full oral feeding, number of days of gastric tube retention, and hospitalization time in the observation group were (5.14 ± 1.67), (6.13 ± 1.62), and (12.77 ± 1.37) days, respectively. Compared with the control group′s (6.22 ± 1.59), (7.17 ± 1.55), and (13.72 ± 1.72) days, the differences were statistically significant ( t = 4.206, 4.26, 3.97, all P<0.05). The incidence of milk choking, hypoxia, and vomiting in the observation group were 9.30%(8/86), 6.98%(6/86), and 11.63%(10/86), respectively, which were lower than the 23.17%(19/82), 19.51%(16/82), and 34.15%(28/82) of the control group. The difference between the two groups was statistically significant ( χ2 = 5.99, 5.80, 12.16, all P<0.05). Conclusion:The application of prompt feeding process in premature infants can shorten the transition time of full oral feeding, promote the feeding process, reduce the complications caused by poor feeding, and ensure the feeding safety of premature infants.
8.In vitro inhibitory effects of resveratrol on rabies virus
Qian LIU ; Qing HE ; Xiaoyan TAO ; Pengcheng YU ; Shuqing LIU ; Xuexin LU ; Lifen YANG ; Wuyang ZHU
Chinese Journal of Microbiology and Immunology 2022;42(6):472-477
Objective:To analyze the in vitro inhibitory effects of resveratrol on rabies virus. Methods:The challenge virus standard (CVS)-11 strain of rabies virus and BHK-21 cells were used to establish the infection model. In vitro inhibitory effects of resveratrol on rabies virus were analyzed at different stages of infection by direct immunofluorescence and cell fluorescence focus unit assay. Results:Without affecting cell growth, resveratrol could block the adsorption of virus, interfere with the entry of virus into cells and inhibit virus proliferation in a concentration-dependent manner. The inhibition rate could reach up to about 95%. The results of co-incubation experiment showed that 40 μmol/L resveratrol could directly kill the virus.Conclusions:This study indicated that resveratrol inhibited the activity of rabies virus in a concentration-dependent manner.
9.Efficacy and Safety of Hydrotalcite Combined with Omeprazole versus Omeprazole for Gastric Ulcer :A Meta-analysis
Linkun CAI ; Zhuoyu PENG ; Shi HUANG ; Yalan HUANG ; Lifen TAO ; Siying LAN
China Pharmacy 2019;30(13):1841-1846
OBJECTIVE: To systematically evaluate the efficacy and safety of hydrotalcite combined with omeprazole for gastric ulcer, and to provide evidence-based reference for clinical treatment. METHODS: Retrieved from PubMed, Embase, Medline, the Cochrane library, CNKI, VIP and Wanfang database, randomized controlled trials (RCTs) about hydrotalcite combined with omeprazole (trial group) versus omeprazole alone (control group) for gastric ulcer during the database establishment to Aug. 2018. After data extraction of included literatures met inclusion criteria, and quality evaluation with Cochrane evaluator manual 5.0.1, Meta-analysis was performed for response rate, the incidence of ADR, recurrence rate of gastric ulcer bleeding, needed time of clinical symptom improvement and hospitalization stays by using Rev Man 5.3 statistical software. RESULTS: A total of 16 RCTs, involving 1 802 patients were included. The results of Meta-analysis showed that response rate [RR=1.24, 95%CI(1.19,1.29), P<0.001] of trial group was significantly higher than that of control group; recurrence rate of gastric ulcer [RR=0.27,95%CI(0.17,0.45),P<0.001], clinical symptom improvement time [MD=-2.04,95%CI(-2.25, -1.83),P<0.001] and hospitalization time [MD=-4.25,95%CI(-4.55,-3.95),P<0.001] of trial group were significantly lower or shorter than those of control group, with statistical significance. There was no statistical significance in the incidence of ADR [RR=0.68,95%CI(0.46,1.02),P=0.06] between 2 groups. CONCLUSIONS: Compared with omeprazole alone, hydrotalcite combined with omeprazole for gastric ulcer can obviously increase the clinical response rate, decrease the recurrence rate of gastric ulcer and shorten the needed time of clinical symptom improvement and hospitalization time, but do not increase the incidence of ADR.
10.Meta-analysis of Therapeutic Efficacy and Safety of Mirtazapine Combined with Selective Calcium Ch annel Blocker in the Treatment of Irritable Bowel Syndrome
Linkun CAI ; Zhuoyu PENG ; Shi HUANG ; Yalan HUANG ; Lifen TAO ; Siying LAN
China Pharmacy 2019;30(18):2563-2570
OBJECTIVE: To systematically review therapeutic efficacy and safety of mirtazapine combined with selective calcium channel blocker (SCCB) in the treatment of irritable bowel syndrome (IBS), and provide evidence-based reference for clinical medication. METHODS: Retrieved from the Cochrane Library, PubMed, Embase, Medline, CNKI, VIP and Wanfang database, randomized controlled trials (RCTs) about mirtazapine combined with SCCB (trial group) versus SCCB (control group) for IBS were collected. After literature screening and data extraction, quality evaluation was performed by using Cochrane system evaluator manual 5.1.0 recommend bias risk evaluation tool. Meta-analysis was performed by using Stata 14.0 software. RESULTS: A total of 14 RCTs involving 1 005 patients were included. The results of Meta-analysis showed that the total response rate [RR=1.34,95%CI(1.25,1.44),P<0.001],neuropeptide-Y level after treatment [SMD=0.77,95%CI(0.49,1.05),P<0.001], response rate of abdominal pain therapy [RR=1.32,95%CI(1.06,1.66),P=0.014] and response rate of treatment for abnormal stool characteristics [RR=1.75,95%CI(1.36,2.27), P<0.001] were significantly higher than control group; the scores of depression scale after treatment [SMD=-1.87, 95%CI (-2.35, -1.39), P<0.001], anxiety scale after treatment [SMD=-2.25, 95%CI (-3.35, -1.15), P<0.001], abdominal pain symptom score after treatment [SMD=-7.41, 95%CI (-8.30,-6.51), P<0.001], diarrhea symptom score after treatment [SMD=-6.39, 95%CI (-7.96,-4.81), P<0.001] were significantly lower than those of the control group. There were no statistical significance in response rate of abdominal distension therapy [RR=1.07,95%CI(0.90,1.28),P=0.421] and response rate of abnormal defecation therapy [RR=1.05,95%CI(0.88,1.26),P=0.588], the incidence of abdominal pain [RR=0.45,95%CI(0.11,1.97), P=0.291] and exhaustion [RR=5.00,95%CI(0.60,41.79),P=0.137] between 2 groups. CONCLUSIONS: Mirtazapine combined with SCCB can significantly improve therapeutic efficacy of IBS patients, promote clinical symptoms, but do not increase the occurrence of ADR as abdominal pain and exhaustion.