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Lei J, Lü W, Wang W, Wang H, Guo X, Cheng P, Gong M, Liu L. [Comparison of the microbiota diversity between autogenous and anautogenous Culex pipiens pallens]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2024; 36:52-58. [PMID: 38604685 DOI: 10.16250/j.32.1374.2023204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 04/13/2024]
Abstract
OBJECTIVE To investigate the microbiota composition and diversity between autogenous and anautogenous Culex pipiens pallens, so as to provide insights into unraveling the pathogenesis of autogeny in Cx. pipiens pallens. METHODS Autogenous and anautogenous adult Cx. pipiens pallens samples were collected at 25 ℃, and the hypervariable regions of the microbial 16S ribosomal RNA (16S rRNA) gene was sequenced on the Illumina NovaSeq 6000 sequencing platform. The microbiota abundance and diversity were evaluated using the alpha diversity index, and the difference in the microbiota structure was examined using the beta diversity index. The microbiota with significant differences in the abundance between autogenous and anautogenous adult Cx. pipiens pallens samples was identified using the linear discriminant analysis effect size (LEfSe). RESULTS The microbiota in autogenous and anautogenous Cx. pipiens pallens samples belonged to 18 phyla, 28 classes, 70 orders, 113 families, and 170 genera, and the dominant phyla included Proteobacteria, Bacteroidetes, and so on. At the genus level, Wolbachia was a common dominant genus, and the relative abundance was (77.6 ± 11.3)% in autogenous Cx. pipiens pallens samples and (47.5 ± 8.5)% in anautogenous mosquito samples, while Faecalibaculum (0.4% ± 0.1%), Dubosiella (0.5% ± 0.0%) and Massilia (0.5% ± 0.1%) were specific species in autogenous Cx. pipiens pallens samples. Alpha diversity analysis showed that higher Chao1 index and ACE index in autogenous Cx. pipiens pallens samples than in anautogenous samples (both P values > 0.05), and lower Shannon index (P > 0.05) and Simpson index (P < 0.05) in autogenous Cx. pipiens pallens samples than in anautogenous samples. LEfSe analysis showed a total of 48 significantly different taxa between autogenous and anautogenous Cx. pipiens pallens samples (all P values < 0.05). CONCLUSIONS There is a significant difference in the microbiota diversity between autogenous and anautogenous Cx. pipiens pallens.
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Affiliation(s)
- J Lei
- Shandong Institute of Parasitic Diseases; Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong 272033, China
| | - W Lü
- Shandong Institute of Parasitic Diseases; Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong 272033, China
| | - W Wang
- Shandong Institute of Parasitic Diseases; Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong 272033, China
| | - H Wang
- Shandong Institute of Parasitic Diseases; Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong 272033, China
| | - X Guo
- Shandong Institute of Parasitic Diseases; Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong 272033, China
| | - P Cheng
- Shandong Institute of Parasitic Diseases; Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong 272033, China
| | - M Gong
- Shandong Institute of Parasitic Diseases; Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong 272033, China
| | - L Liu
- Shandong Institute of Parasitic Diseases; Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong 272033, China
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Ma R, Tian L, Wang Y, Sun S, Zhang J, Lou M, Hu Z, Gong M, Yang F, Zheng G, Dong J, Zhang Y. Comparative investigation of transport and deposition of nebulized particles in nasal airways following various middle turbinectomy. Rhinology 2024; 62:223-235. [PMID: 38010118 DOI: 10.4193/rhin23.265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
BACKGROUND Topical intranasal medication is required following functional endoscopic sinus surgery (FESS). The optimal particle size of transnasal nebulization aimed at the sinonasal cavities is not conclusive. The current study aims to evaluate the effect of particle size and various surgery scope of middle turbinectomy (MT) on post-full FESS drug delivery to the sinonasal cavities. METHODS Sinonasal reconstructions were performed from post-full FESS CT scans in 6 chronic rhinosinusitis with nasal polyps (CRSwNP) patients. Four additional models representing alternative surgery scopes of MT were established from each post-FESS reconstruction for simulation data comparison. Airflow and particle deposition of nebulized delivery were simulated via computational fluid dynamics (CFD) and validated through in vitro experiments. The optimal particle sizes reaching a deposition of at least 75% of the maximum in the targeted regions were identified. RESULTS The drug deposition rate onto the targeted regions increased following MT, with the greatest deposition following posterior MT (P-MT). Droplets in the range of 18-26 μm reached a deposition of larger than 75% of the maximum onto the targeted regions. Drug delivery rate in the sinonasal cavities varied significantly among individuals and across different types of MT with varying surgical scopes. CONCLUSIONS This study is the first to investigate the effect of various surgery scope on drug delivery by transnasal nebulization to the sinonasal cavities. The findings strongly affirm the vast potential of transnasal nebulization as an effective post-FESS treatment option. Moreover, it emphasizes that the drug delivery process via atomizers to the nasal cavity and paranasal sinuses is highly sensitive to the particle size.
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Affiliation(s)
- R Ma
- Department of Otolaryngology Head and Neck Surgery, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - L Tian
- School of Engineering, Mechanical and Automotive, RMIT University, Bundoora, VIC, Australia
| | - Y Wang
- Department of Otolaryngology Head and Neck Surgery, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - S Sun
- Zhejiang Cuize Pharmatech Co., Ltd, China
| | - J Zhang
- Department of Medical Imaging Department, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - M Lou
- Department of Otolaryngology Head and Neck Surgery, Shaanxi Provincial People’s Hospital, Xi’an, China
| | - Z Hu
- Department of Otolaryngology Head and Neck Surgery, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - M Gong
- Department of Otolaryngology Head and Neck Surgery, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - F Yang
- Department of Otolaryngology Head and Neck Surgery, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - G Zheng
- Department of Otolaryngology Head and Neck Surgery, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - J Dong
- Institute for Sustainable Industries and Liveable Cities, Victoria University, Melbourne, Australia; First Year College, Victoria University, Footscray Park Campus, Footscray, Australia
| | - Y Zhang
- Department of Otolaryngology Head and Neck Surgery, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China
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Xu D, Zhang AL, Zheng JS, Ye MW, Li F, Qian GC, Shi HB, Jin XH, Huang LP, Mei JG, Mei GH, Xu Z, Fu H, Lin JJ, Ye HZ, Zheng Y, Hua LL, Yang M, Tong JM, Chen LL, Zhang YY, Yang DH, Zhou YL, Li HW, Lan YL, Xu YL, Feng JY, Chen X, Gong M, Chen ZM, Wang YS. [A multicenter prospective study on early identification of refractory Mycoplasma pneumoniae pneumonia in children]. Zhonghua Er Ke Za Zhi 2024; 62:317-322. [PMID: 38527501 DOI: 10.3760/cma.j.cn112140-20231121-00383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 03/27/2024]
Abstract
Objective: To explore potential predictors of refractory Mycoplasma pneumoniae pneumonia (RMPP) in early stage. Methods: The prospective multicenter study was conducted in Zhejiang, China from May 1st, 2019 to January 31st, 2020. A total of 1 428 patients with fever >48 hours to <120 hours were studied. Their clinical data and oral pharyngeal swab samples were collected; Mycoplasma pneumoniae DNA in pharyngeal swab specimens was detected. Patients with positive Mycoplasma pneumoniae DNA results underwent a series of tests, including chest X-ray, complete blood count, C-reactive protein, lactate dehydrogenase (LDH), and procalcitonin. According to the occurrence of RMPP, the patients were divided into two groups, RMPP group and general Mycoplasma pneumoniae pneumonia (GMPP) group. Measurement data between the 2 groups were compared using Mann-Whitney U test. Logistic regression analyses were used to examine the associations between clinical data and RMPP. Receiver operating characteristic (ROC) curves were used to analyse the power of the markers for predicting RMPP. Results: A total of 1 428 patients finished the study, with 801 boys and 627 girls, aged 4.3 (2.7, 6.3) years. Mycoplasma pneumoniae DNA was positive in 534 cases (37.4%), of whom 446 cases (83.5%) were diagnosed with Mycoplasma pneumoniae pneumonia, including 251 boys and 195 girls, aged 5.2 (3.3, 6.9) years. Macrolides-resistant variation was positive in 410 cases (91.9%). Fifty-five cases were with RMPP, 391 cases with GMPP. The peak body temperature before the first visit and LDH levels in RMPP patients were higher than that in GMPP patients (39.6 (39.1, 40.0) vs. 39.2 (38.9, 39.7) ℃, 333 (279, 392) vs. 311 (259, 359) U/L, both P<0.05). Logistic regression showed the prediction probability π=exp (-29.7+0.667×Peak body temperature (℃)+0.004×LDH (U/L))/(1+exp (-29.7+0.667×Peak body temperature (℃)+0.004 × LDH (U/L))), the cut-off value to predict RMPP was 0.12, with a consensus of probability forecast of 0.89, sensitivity of 0.89, and specificity of 0.67; and the area under ROC curve was 0.682 (95%CI 0.593-0.771, P<0.01). Conclusion: In MPP patients with fever over 48 to <120 hours, a prediction probability π of RMPP can be calculated based on the peak body temperature and LDH level before the first visit, which can facilitate early identification of RMPP.
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Affiliation(s)
- D Xu
- Department of Pulmonology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou 310052, China
| | - A L Zhang
- Department of Pediatrics, the Second Hospital of Jiaxing, Jiaxing 314001, China
| | - J S Zheng
- Department of Pediatrics, Ningbo Women and Children's Hospital, Ningbo 315012, China
| | - M W Ye
- Department of Pediatrics, Sanmen People's Hospital, Taizhou 317199, China
| | - F Li
- Department of Pediatrics, Shaoxing Second Hospital, Shaoxing 312099, China
| | - G C Qian
- Department of Pediatrics, Changxing Maternal and Child Health Care Hospital, Huzhou 313199, China
| | - H B Shi
- Department of Pediatrics, Ningbo Medical Center Lihuili Hospital, Ningbo 315048, China
| | - X H Jin
- Department of Pediatrics, Taizhou Hospital of Zhejiang Province, Taizhou 317099, China
| | - L P Huang
- Department of Pediatrics, Zhoushan Women and Children's Hospital, Zhoushan 316004, China
| | - J G Mei
- Department of Pediatrics, Cixi Maternal and Child Health Care Hospital, Ningbo 315331, China
| | - G H Mei
- Department of Pediatrics, Quzhou Maternal and Child Health Care Hospital, Quzhou 324003, China
| | - Z Xu
- Department of Pediatrics, Huzhou Central Hospital, Huzhou 313099, China
| | - H Fu
- Department of Pediatrics, Shengsi People's Hospital, Zhoushan 202450, China
| | - J J Lin
- Department of Pediatrics, Lishui City People's Hospital, Lishui 323050, China
| | - H Z Ye
- Department of Pediatrics, the First People's Hospital of Huzhou, Huzhou 313099, China
| | - Y Zheng
- Department of Pediatrics, People's Hospital of Quzhou, Quzhou 324002, China
| | - L L Hua
- Department of Pediatrics, Ningbo Women and Children's Hospital, Ningbo 315012, China
| | - M Yang
- Department of Pediatrics, Sanmen People's Hospital, Taizhou 317199, China
| | - J M Tong
- Department of Pediatrics, Changxing Maternal and Child Health Care Hospital, Huzhou 313199, China
| | - L L Chen
- Department of Pediatrics, Taizhou Hospital of Zhejiang Province, Taizhou 317099, China
| | - Y Y Zhang
- Department of Pulmonology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou 310052, China
| | - D H Yang
- Department of Pulmonology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou 310052, China
| | - Y L Zhou
- Department of Pulmonology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou 310052, China
| | - H W Li
- Department of Pulmonology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou 310052, China
| | - Y L Lan
- Department of Pulmonology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou 310052, China
| | - Y L Xu
- Department of Pediatrics, Zhoushan Women and Children's Hospital, Zhoushan 316004, China
| | - J Y Feng
- Department of Pediatrics, Cixi Maternal and Child Health Care Hospital, Ningbo 315331, China
| | - X Chen
- Department of Pediatrics, Huzhou Central Hospital, Huzhou 313099, China
| | - M Gong
- Department of Pediatrics, People's Hospital of Quzhou, Quzhou 324002, China
| | - Z M Chen
- Department of Pulmonology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou 310052, China
| | - Y S Wang
- Department of Pulmonology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou 310052, China
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Hao MZ, Zhao XL, Zhang XY, Shi YY, Gong M, Zhang LN, Chen SL, Wei JL, He Y, Feng SZ, Han MZ, Jiang EL. [Clinical analysis of allogeneic hematopoietic stem cell transplantation for seven cases of acute myeloid leukemia with BCR::ABL1 fusion]. Zhonghua Xue Ye Xue Za Zhi 2023; 44:995-1000. [PMID: 38503522 PMCID: PMC10834871 DOI: 10.3760/cma.j.issn.0253-2727.2023.12.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Indexed: 03/21/2024]
Abstract
Objective: To explore the efficacy of allogeneic hematopoietic stem cell transplantation (allo-HSCT) in acute myeloid leukemia (AML) patients with BCR::ABL1 fusion. Methods: The clinical data of seven AML patients with BCR::ABL1 fusion from November 2012 to January 2022 were retrospectively analyzed, and their survival status was followed up. Results: The median age of patients at the time of diagnosis was 35 years. Four cases (57.1%) were diagnosed with high leukocyte counts. All cases were assayed as BCR::ABL1 positive and accompanied by four types of gene mutations (NPM1, RUNX1, ASXL1, PHF6) . Seven patients received tyrosine kinase inhibitor (TKI) combined with induction chemotherapy and bridged to allo-HSCT, and six patients received maintenance therapy with TKI. Before allo-HSCT, six patients achieved complete remission, and four patients achieved complete molecular remission (CMR) . After allo-HSCT, the three remaining cases also achieved CMR. All patients were in remission post-allo-HSCT. One case died of infection, and the remaining cases survived without relapse. The 3-year cumulative overall survival rate was (80.0±17.9) %. Conclusions: TKI combined with traditional chemotherapy could achieve a high response rate in AML patients with BCR::ABL1 fusion. In addition, allo-HSCT could enhance the molecular response rate. Maintenance therapy post-HSCT with TKI could improve prognosis.
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Affiliation(s)
- M Z Hao
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China Tianjin Institutes of Health Science, Tianjin 301600, China
| | - X L Zhao
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China Tianjin Institutes of Health Science, Tianjin 301600, China
| | - X Y Zhang
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China Tianjin Institutes of Health Science, Tianjin 301600, China
| | - Y Y Shi
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China Tianjin Institutes of Health Science, Tianjin 301600, China
| | - M Gong
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China Tianjin Institutes of Health Science, Tianjin 301600, China
| | - L N Zhang
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China Tianjin Institutes of Health Science, Tianjin 301600, China
| | - S L Chen
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China Tianjin Institutes of Health Science, Tianjin 301600, China
| | - J L Wei
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China Tianjin Institutes of Health Science, Tianjin 301600, China
| | - Y He
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China Tianjin Institutes of Health Science, Tianjin 301600, China
| | - S Z Feng
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China Tianjin Institutes of Health Science, Tianjin 301600, China
| | - M Z Han
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China Tianjin Institutes of Health Science, Tianjin 301600, China
| | - E L Jiang
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China Tianjin Institutes of Health Science, Tianjin 301600, China
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Gong M, Wang K, Sun H, Wang K, Zhou Y, Cong Y, Deng X, Mao Y. Threshold of 25(OH)D and consequently adjusted parathyroid hormone reference intervals: data mining for relationship between vitamin D and parathyroid hormone. J Endocrinol Invest 2023; 46:2067-2077. [PMID: 36920734 PMCID: PMC10514164 DOI: 10.1007/s40618-023-02057-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Accepted: 03/02/2023] [Indexed: 03/16/2023]
Abstract
PURPOSE By recruiting reference population, we aimed to (1): estimate the 25(OH)D threshold that maximally inhibits the PTH, which can be defined as the cutoff value for vitamin D sufficiency; (2) establish the PTH reference interval (RI) in population with sufficient vitamin D. METHODS Study data were retrieved from LIS (Laboratory Information Management System) under literature suggested criteria, and outliers were excluded using Tukey fence method. Locally weighted regression (LOESS) and segmented regression (SR) were conducted to estimate the threshold of 25(OH)D. Multivariate linear regression was performed to evaluate the associations between PTH concentration and variables including 25(OH)D, gender, age, estimated glomerular filtration rate (EGFR), body mass index (BMI), albumin-adjusted serum calcium (aCa), serum phosphate(P), serum magnesium(Mg), and blood collection season. Z test was adopted to evaluate whether the reference interval should be stratified by determinants such as age and gender. RESULTS A total of 64,979 apparently healthy subjects were recruited in this study, with median (Q1, Q3) 25(OH)D of 45.33 (36.15, 57.50) nmol/L and median (Q1, Q3) PTH of 42.19 (34.24, 52.20) ng/L. The segmented regression determined the 25(OH)D threshold of 55 nmol/L above which PTH would somewhat plateau and of 22 nmol/L below which PTH would rise steeply. Multivariate linear regression suggested that gender, EGFR, and BMI were independently associated with PTH concentrations. The PTH RI was calculated as 22.17-72.72 ng/L for subjects with 25(OH)D ≥ 55 nmol/L with no necessity of stratification according to gender, age, menopausal status nor season. CONCLUSION This study reported 25(OH)D thresholds of vitamin D sufficiency at 55 nmol/L and vitamin D deficiency at 22 nmol/L, and consequently established PTH RIs in subjects with sufficient vitamin D for northern China population for the first time.
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Affiliation(s)
- M Gong
- Department of Laboratory Medicine, Second Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Geriatric Diseases, Beijing, China
| | - K Wang
- Department of Laboratory Medicine, Second Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Geriatric Diseases, Beijing, China
| | - H Sun
- Department of Laboratory Medicine, Second Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Geriatric Diseases, Beijing, China
| | - K Wang
- Department of Laboratory Medicine, Second Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Geriatric Diseases, Beijing, China
| | - Y Zhou
- Department of Laboratory Medicine, Second Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Geriatric Diseases, Beijing, China
| | - Y Cong
- Department of Laboratory Medicine, Second Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Geriatric Diseases, Beijing, China
| | - X Deng
- Department of Laboratory Medicine, Second Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Geriatric Diseases, Beijing, China.
| | - Y Mao
- Department of Laboratory Medicine, Fifth Medical Center, Chinese PLA General Hospital, Beijing, China.
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Lin LL, Liu HY, Luo X, Zheng Q, Shi B, Gong M, Li CH. [Untargeted metabolomics study of dexamethasone-induced congenital cleft palate in New Zealand rabbits]. Zhonghua Kou Qiang Yi Xue Za Zhi 2023; 58:938-943. [PMID: 37659853 DOI: 10.3760/cma.j.cn112144-20230627-00254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Subscribe] [Scholar Register] [Indexed: 09/04/2023]
Abstract
Objective: To investigate the metabolic disorders in placental tissues of dexamethasone induced cleft palate mode. Methods: Twelve pregnant rabbits were randomly divided into dexamethasone group (experimental group, 8) and saline control group (4), and a certain amount of dexamethasone and saline were administered intramuscularly to the experimental and control groups respectively from embryonic days (ED) 13 to 16, and placental tissue samples were collected on day 21 of gestation. The corresponding profiles of the embryonic placental tissue samples were obtained by liquid chromatography-triple tandem quadrupole(LC-MS), and the metabolites of the embryonic placental tissues were characterized by principal component analysis among the dexamethasone-treated group with cleft palate (D-CP group), the dexamethasone-treated group without cleft palate (D-NCP group) and the control group. Results: There were significant metabolic differences among the D-CP group, D-NCP group and control group, with a total of 133 differential metabolites (VIP>1, P<0.05) involving in important metabolic pathways including vitamin B6 metabolism, lysine metabolism, arginine anabolic metabolism, and galactose metabolism. The four metabolites, vitamin B6, galactose, lysine and urea, differed among the three groups (P<0.05). There were significant differences in vitamin B6 (0.960±0.249, 0.856±0.368, 1.319±0.322), galactose (0.888±0.171, 1.033±0.182, 1.127±0.127), lysine (1.551±0.924, 1.789±1.435, 0.541±0.424) and urea (0.743±0.142, 1.137±0.301, 1.171±0.457, respectively) levels among control group, D-NCP group and D-CP group (F=5.90, P=0.008; F=5.59, P=0.009; F=4.26, P=0.025; F=5.29, P=0.012). Conclusions: The results indicated that dexamethasone induced cleft palate may be highly correlated with metabolic disorders including vitamin B6 metabolism, lysine metabolism, arginine anabolic metabolism and galactose metabolism.
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Affiliation(s)
- L L Lin
- Department of Cleft Lip and Palate Surgery, West China Hospital of Stomatology, Sichuan University & State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, Chengdu 610041, China
| | - H Y Liu
- Department of Cleft Lip and Palate Surgery, West China Hospital of Stomatology, Sichuan University & State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, Chengdu 610041, China
| | - X Luo
- Department of Cleft Lip and Palate Surgery, West China Hospital of Stomatology, Sichuan University & State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, Chengdu 610041, China
| | - Q Zheng
- Department of Cleft Lip and Palate Surgery, West China Hospital of Stomatology, Sichuan University & State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, Chengdu 610041, China
| | - B Shi
- Department of Cleft Lip and Palate Surgery, West China Hospital of Stomatology, Sichuan University & State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, Chengdu 610041, China
| | - M Gong
- Department of Cleft Lip and Palate Surgery, West China Hospital of Stomatology, Sichuan University & State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, Chengdu 610041, China
| | - C H Li
- Department of Cleft Lip and Palate Surgery, West China Hospital of Stomatology, Sichuan University & State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, Chengdu 610041, China
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Huang X, Liu L, Liu S, Cheng P, Gong M, Wang X, Liu H. The Density of Aedes albopictus in a High-Latitude and High-Risk Dengue Fever Transmission Region in Shandong Province, Northern China. Vector Borne Zoonotic Dis 2023. [PMID: 37389829 DOI: 10.1089/vbz.2023.0003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/01/2023] Open
Abstract
Background: A total of 79 cases of dengue fever were reported in Jining County in 2017, which is currently the northernmost focal point of local cases of dengue fever diagnosed in China. This study aimed to evaluate the density of mosquito vectors before and after the outbreak of dengue fever and provide novel reference data for the prevention and control of the disease. Methods: The light traps were set to collect mosquitoes in 2017 and 2018 to assess adult mosquito density and species composition. We used the human-baited double net trap to determine the biting rate. In addition, the Breteau index (BI) was calculated to evaluate the density of Aedes albopictus in Jining, Shandong Province. The annual average densities of Ae. albopictus in 2017 and 2018 were 0.046 and 0.066 f/t/h, respectively. Results: The average biting rate was 0.69 f/m/h in 2018. There was no significant difference found in Ae. albopictus density and biting rate in the various months. The average BI of Jining was 38.67 and 11.17, respectively. There was a statistically significant difference observed in the BI between 2017 and 2018 (Kruskal-Wallis test, χ2 = 16.926, df = 1, p < 0.001). Conclusion: BI can serve as an important indicator to determine the spread of dengue fever. The findings indicted that the growing density of adult Aedes mosquitoes should be focused on, with biting rates being a potential indicator of future outbreaks. Overall, the various control measures that were implemented were effective and should be introduced in other high-risk areas.
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Affiliation(s)
- Xiaodan Huang
- Shandong Institute of Parasitic Diseases, Shandong First Medical University and Shandong Academy of Medical Sciences, Jining, Shandong, China
| | - Luhong Liu
- Jining Center for Disease Control and Prevention, Taishan Scholar Workstation, Jining, Shandong, China
| | - Shuo Liu
- Jining Center for Disease Control and Prevention, Taishan Scholar Workstation, Jining, Shandong, China
| | - Peng Cheng
- Shandong Institute of Parasitic Diseases, Shandong First Medical University and Shandong Academy of Medical Sciences, Jining, Shandong, China
| | - Maoqing Gong
- Shandong Institute of Parasitic Diseases, Shandong First Medical University and Shandong Academy of Medical Sciences, Jining, Shandong, China
| | - Xuejun Wang
- Shandong Provincial Key Laboratory of Infectious Disease Control and Prevention, Shandong Center for Disease Control and Prevention, Jinan, Shandong, China
| | - Hongmei Liu
- Shandong Institute of Parasitic Diseases, Shandong First Medical University and Shandong Academy of Medical Sciences, Jining, Shandong, China
- Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, South China Normal University, GuangZhou, China
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Zang C, Wang X, Cheng P, Liu L, Guo X, Wang H, Lou Z, Lei J, Wang W, Wang Y, Gong M, Liu H. Evaluation of the evolutionary genetics and population structure of Culex pipiens pallens in Shandong province, China based on knockdown resistance (kdr) mutations and the mtDNA-COI gene. BMC Genomics 2023; 24:145. [PMID: 36964519 PMCID: PMC10039558 DOI: 10.1186/s12864-023-09243-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 03/11/2023] [Indexed: 03/26/2023] Open
Abstract
BACKGROUND Mosquitoes are important vectors for a range of diseases, contributing to high rates of morbidity and mortality in the human population. Culex pipiens pallens is dominant species of Culex mosquito in northern China and a major vector for both West Nile virus and Bancroftian filariasis. Insecticide application were largely applied to control the mosquito-mediated spread of these diseases, contributing to increasing rates of resistance in the mosquito population. The voltage-gated sodium channel (Vgsc) gene is the target site of pyrethroids, and mutations in this gene cause knockdown resistance (kdr). While these kdr mutations are known to be critical to pyrethroid resistance, their evolutionary origins remain poorly understood. Clarifying the origins of these mutations is potential to guide further vector control and disease prevention efforts. Accordingly, the present study was designed to study the evolutionary genetics of kdr mutations and their association with the population structure of Cx. p. pallens in Shandong province, China. METHODS Adult Culex females were collected from Shandong province and subjected to morphological identification under a dissection microscope. Genomic DNA were extracted from the collected mosquitoes, the Vgsc gene were amplified via PCR and sequenced to assess kdr allele frequencies, intron polymorphisms, and kdr codon evolution. In addition, population genetic diversity and related population characteristics were assessed by amplifying and sequencing the mitochondrial cytochrome C oxidase I (COI) gene. RESULTS Totally, 263 Cx. p. pallens specimens were used for DNA barcoding and sequencing analyses to assess kdr allele frequencies in nine Culex populations. The kdr codon L1014 in the Vgsc gene identified two non-synonymous mutations (L1014F and L1014S) in the analyzed population. These mutations were present in the eastern hilly area and west plain region of Shandong Province. However, only L1014F mutation was detected in the southern mountainous area and Dongying city of Shandong Province, where the mutation frequency was low. Compared to other cities, population in Qingdao revealed significant genetic differentiation. Spatial kdr mutation patterns are likely attributable to some combination of prolonged insecticide-mediated selection coupled with the genetic isolation of these mosquito populations. CONCLUSIONS These data suggest that multiple kdr alleles associated with insecticide resistance are present within the Cx. p. pallens populations of Shandong Province, China. The geographical distributions of kdr mutations in this province are likely that the result of prolonged and extensive insecticide application in agricultural contexts together with frequent mosquito population migrations. In contrast, the low-frequency kdr mutation detected in central Shandong Province populations may originate from the limited selection pressure in this area and the relative genetic isolation. Overall, the study compares the genetic patterns revealed by a functional gene with a neutral marker and demonstrates the combined impact of demographic and selection factors on population structure.
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Affiliation(s)
- Chuanhui Zang
- Department of Medical Entomology, Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, 272033, Shandong, People's Republic of China
| | - Xuejun Wang
- Shandong Center for Disease Control and Prevention, Jinan, Shandong, People's Republic of China
| | - Peng Cheng
- Department of Medical Entomology, Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, 272033, Shandong, People's Republic of China
| | - Lijuan Liu
- Department of Medical Entomology, Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, 272033, Shandong, People's Republic of China
| | - Xiuxia Guo
- Department of Medical Entomology, Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, 272033, Shandong, People's Republic of China
| | - Haifang Wang
- Department of Medical Entomology, Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, 272033, Shandong, People's Republic of China
| | - Ziwei Lou
- Department of Medical Entomology, Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, 272033, Shandong, People's Republic of China
| | - Jingjing Lei
- Department of Medical Entomology, Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, 272033, Shandong, People's Republic of China
| | - Wenqian Wang
- Department of Medical Entomology, Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, 272033, Shandong, People's Republic of China
| | - Yiting Wang
- Department of Medical Entomology, Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, 272033, Shandong, People's Republic of China
| | - Maoqing Gong
- Department of Medical Entomology, Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, 272033, Shandong, People's Republic of China.
| | - Hongmei Liu
- Department of Medical Entomology, Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, 272033, Shandong, People's Republic of China.
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Liu H, Huang X, Guo X, Cheng P, Wang H, Liu L, Zang C, Zhang C, Wang X, Zhou G, Gong M. Climate change and Aedes albopictus risks in China: current impact and future projection. Infect Dis Poverty 2023; 12:26. [PMID: 36964611 PMCID: PMC10037799 DOI: 10.1186/s40249-023-01083-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 03/14/2023] [Indexed: 03/26/2023] Open
Abstract
BACKGROUND Future distribution of dengue risk is usually predicted based on predicted climate changes using general circulation models (GCMs). However, it is difficult to validate the GCM results and assess the uncertainty of the predictions. The observed changes in climate may be very different from the GCM results. We aim to utilize trends in observed climate dynamics to predict future risks of Aedes albopictus in China. METHODS We collected Ae. albopictus surveillance data and observed climate records from 80 meteorological stations from 1970 to 2021. We analyzed the trends in climate change in China and made predictions on future climate for the years 2050 and 2080 based on trend analyses. We analyzed the relationship between climatic variables and the prevalence of Ae. albopictus in different months/seasons. We built a classification tree model (based on the average of 999 runs of classification and regression tree analyses) to predict the monthly/seasonal Ae. albopictus distribution based on the average climate from 1970 to 2000 and assessed the contributions of different climatic variables to the Ae. albopictus distribution. Using these models, we projected the future distributions of Ae. albopictus for 2050 and 2080. RESULTS The study included Ae. albopictus surveillance from 259 sites in China found that winter to early spring (November-February) temperatures were strongly correlated with Ae. albopictus prevalence (prediction accuracy ranges 93.0-98.8%)-the higher the temperature the higher the prevalence, while precipitation in summer (June-September) was important predictor for Ae. albopictus prevalence. The machine learning tree models predicted the current prevalence of Ae. albopictus with high levels of agreement (accuracy > 90% and Kappa agreement > 80% for all 12 months). Overall, winter temperature contributed the most to Ae. albopictus distribution, followed by summer precipitation. An increase in temperature was observed from 1970 to 2021 in most places in China, and annual change rates varied substantially from -0.22 ºC/year to 0.58 ºC/year among sites, with the largest increase in temperature occurring from February to April (an annual increase of 1.4-4.7 ºC in monthly mean, 0.6-4.0 ºC in monthly minimum, and 1.3-4.3 ºC in monthly maximum temperature) and the smallest in November and December. Temperature increases were lower in the tropics/subtropics (1.5-2.3 ºC from February-April) compared to the high-latitude areas (2.6-4.6 ºC from February-April). The projected temperatures in 2050 and 2080 by this study were approximately 1-1.5 °C higher than those projected by GCMs. The estimated current Ae. albopictus risk distribution had a northern boundary of north-central China and the southern edge of northeastern China, with a risk period of June-September. The projected future Ae. albopictus risks in 2050 and 2080 cover nearly all of China, with an expanded risk period of April-October. The current at-risk population was estimated to be 960 million and the future at-risk population was projected to be 1.2 billion. CONCLUSIONS The magnitude of climate change in China is likely to surpass GCM predictions. Future dengue risks will expand to cover nearly all of China if current climate trends continue.
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Affiliation(s)
- Hongmei Liu
- Shandong Institute of Parasitic Diseases, Shandong First Medical University and Shandong Academy of Medical Sciences, Jining, Shandong Province, 272033, People's Republic of China.
- Program in Public Health, University of California, Irvine, CA, 92697, USA.
| | - Xiaodan Huang
- Shandong Institute of Parasitic Diseases, Shandong First Medical University and Shandong Academy of Medical Sciences, Jining, Shandong Province, 272033, People's Republic of China
| | - Xiuxia Guo
- Shandong Institute of Parasitic Diseases, Shandong First Medical University and Shandong Academy of Medical Sciences, Jining, Shandong Province, 272033, People's Republic of China
| | - Peng Cheng
- Shandong Institute of Parasitic Diseases, Shandong First Medical University and Shandong Academy of Medical Sciences, Jining, Shandong Province, 272033, People's Republic of China
| | - Haifang Wang
- Shandong Institute of Parasitic Diseases, Shandong First Medical University and Shandong Academy of Medical Sciences, Jining, Shandong Province, 272033, People's Republic of China
| | - Lijuan Liu
- Shandong Institute of Parasitic Diseases, Shandong First Medical University and Shandong Academy of Medical Sciences, Jining, Shandong Province, 272033, People's Republic of China
| | - Chuanhui Zang
- Shandong Institute of Parasitic Diseases, Shandong First Medical University and Shandong Academy of Medical Sciences, Jining, Shandong Province, 272033, People's Republic of China
| | - Chongxing Zhang
- Shandong Institute of Parasitic Diseases, Shandong First Medical University and Shandong Academy of Medical Sciences, Jining, Shandong Province, 272033, People's Republic of China
| | - Xuejun Wang
- Shandong Center for Disease Control and Prevention, Jinan, 250013, China.
| | - Guofa Zhou
- Program in Public Health, University of California, Irvine, CA, 92697, USA.
| | - Maoqing Gong
- Shandong Institute of Parasitic Diseases, Shandong First Medical University and Shandong Academy of Medical Sciences, Jining, Shandong Province, 272033, People's Republic of China.
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Peng H, Wang H, Guo X, Lv W, Liu L, Wang H, Cheng P, Liu H, Gong M. In Vitro and In Vivo Validation of CYP6A14 and CYP6N6 Participation in Deltamethrin Metabolic Resistance in Aedes albopictus. Am J Trop Med Hyg 2023; 108:609-618. [PMID: 36746656 PMCID: PMC9978559 DOI: 10.4269/ajtmh.22-0524] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2022] [Accepted: 11/21/2022] [Indexed: 02/08/2023] Open
Abstract
The extensive use of chemical insecticides for public health and agricultural purposes has increased the occurrence and development of insecticide resistance. This study used transcriptome sequencing to screen 10 upregulated metabolic detoxification enzyme genes from Aedes albopictus resistant strains. Of these, CYP6A14 and CYP6N6 were found to be substantially overexpressed in the deltamethrin-induced expression test, indicating their role in deltamethrin resistance in Ae. albopictus. Furthermore, the corresponding 60-kDa recombinant proteins, CYP6A14 and CYP6N6, were successfully expressed using the Escherichia coli expression system. Enzyme activity studies revealed that CYP6A14 (5.84 U/L) and CYP6N6 (6.3 U/L) have cytochrome P450 (CYP450) enzyme activity. In vitro, the metabolic analysis revealed that the recombinant proteins degraded deltamethrin into 1-oleoyl-sn-glycero-3-phosphoethanolamine and 2',2'-dibromo-2'-deoxyguanosine. Subsequently, the CYP450 genes in larvae of Ae. albopictus were silenced by RNA interference technology to study deltamethrin resistance in vivo. The silencing of CYP6A14 and CYP6N6 increased the mortality rate of mosquitoes without affecting their survival time, spawning quantity, hatching rate, and other normal life activities. Altogether, CYP6A14 and CYP6N6 belong to the CYP6 family and mutually increase deltamethrin resistance in Ae. albopictus.
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Affiliation(s)
- Hui Peng
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Haiyang Wang
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
- Department of Laboratory Medicine, Shanghai Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Xiuxia Guo
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Wenxiang Lv
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Lijuan Liu
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Haifang Wang
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Peng Cheng
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
- Address correspondence to Peng Cheng or Hongmei Liu or Maoqing Gong, Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong 272033, China. E-mails: or or
| | - Hongmei Liu
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
- Address correspondence to Peng Cheng or Hongmei Liu or Maoqing Gong, Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong 272033, China. E-mails: or or
| | - Maoqing Gong
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
- Address correspondence to Peng Cheng or Hongmei Liu or Maoqing Gong, Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong 272033, China. E-mails: or or
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Liu W, Cheng P, An S, Zhang K, Gong M, Zhang Z, Zhang R. Chromosome-level assembly of Culex pipiens molestus and improved reference genome of Culex pipiens pallens (Culicidae, Diptera). Mol Ecol Resour 2023; 23:486-498. [PMID: 36075571 DOI: 10.1111/1755-0998.13712] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 08/06/2022] [Accepted: 09/05/2022] [Indexed: 01/04/2023]
Abstract
Culex pipiens molestus and Culex pipiens pallens are two distinct bioforms in the Culex pipiens complex that are important vectors of several pathogens and are widely distributed around the world. In the current study, we present a high-quality chromosome-level genome of Cx. pipiens f. molestus and describe the genetic characteristics of this genome. The assembly genome was 559.749 Mb with contig and scaffold N50 values of 200.952 Mb and 0.370 Mb, and more than 94.78% of the assembled bases were located on 3 chromosomes. A total of 19,399 protein-coding genes were predicted. Many gene families were expanded in the genome of Cx. pipiens f. molestus, particularly those of the chemosensory protein (CSP) and gustatory receptor (GR) gene families. In addition, utilizing Hi-C data, we improved the previously assembled draft genome of Cx. pipiens f. pallens, with scaffold N50 of 186.195 Mb and contig N50 of 0.749 Mb, and more than 97.02% of the assembled bases were located on three chromosomes. This reference genome provides a foundation for genome-based investigations of the unique ecological and evolutionary characteristics of Cx. pipiens f. molestus, and the findings in this study will help to elucidate the mechanisms involved in species divergence in the Culex pipiens complex.
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Affiliation(s)
- Wenjuan Liu
- Collaborative Innovation Center for the Origin and Control of Emerging Infectious Diseases, Shandong First Medical University (Shandong Academy of Medical Sciences), Tai'an, China.,School of Basic Medical Science, Shandong First Medical University (Shandong Academy of Medical Sciences), Tai'an, China
| | - Peng Cheng
- Collaborative Innovation Center for the Origin and Control of Emerging Infectious Diseases, Shandong First Medical University (Shandong Academy of Medical Sciences), Tai'an, China.,Shandong Institute of Parasitic Diseases, Shandong First Medical University (Shandong Academy of Medical Sciences), Jining, China
| | - Sha An
- Collaborative Innovation Center for the Origin and Control of Emerging Infectious Diseases, Shandong First Medical University (Shandong Academy of Medical Sciences), Tai'an, China.,School of Basic Medical Science, Shandong First Medical University (Shandong Academy of Medical Sciences), Tai'an, China
| | - Kexin Zhang
- Collaborative Innovation Center for the Origin and Control of Emerging Infectious Diseases, Shandong First Medical University (Shandong Academy of Medical Sciences), Tai'an, China.,School of Basic Medical Science, Shandong First Medical University (Shandong Academy of Medical Sciences), Tai'an, China
| | - Maoqing Gong
- Collaborative Innovation Center for the Origin and Control of Emerging Infectious Diseases, Shandong First Medical University (Shandong Academy of Medical Sciences), Tai'an, China.,Shandong Institute of Parasitic Diseases, Shandong First Medical University (Shandong Academy of Medical Sciences), Jining, China
| | - Zhong Zhang
- Collaborative Innovation Center for the Origin and Control of Emerging Infectious Diseases, Shandong First Medical University (Shandong Academy of Medical Sciences), Tai'an, China.,School of Basic Medical Science, Shandong First Medical University (Shandong Academy of Medical Sciences), Tai'an, China
| | - Ruiling Zhang
- Collaborative Innovation Center for the Origin and Control of Emerging Infectious Diseases, Shandong First Medical University (Shandong Academy of Medical Sciences), Tai'an, China.,School of Basic Medical Science, Shandong First Medical University (Shandong Academy of Medical Sciences), Tai'an, China
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Liu W, An S, Cheng P, Zhang K, Gong M, Zhang Z, Zhang R. Whole-transcriptome profiling across different developmental stages of Aedes albopictus (Diptera: Culicidae) provides insights into chitin-related non-coding RNA and competing endogenous RNA networks. Parasit Vectors 2023; 16:33. [PMID: 36703236 PMCID: PMC9878986 DOI: 10.1186/s13071-022-05648-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Accepted: 12/29/2022] [Indexed: 01/27/2023] Open
Abstract
BACKGROUND The Asian tiger mosquito, Aedes albopictus, is one of the most invasive species and a vector of numerous arboviruses. The deleterious effects of long-term and inappropriate use of chemical pesticides have stimulated the exploration of new, environmentally friendly control strategies. Non-coding RNAs (ncRNAs) have been proven to participate in almost all biological processes of insects. METHODS In this study, circular RNAs (circRNAs) and microRNAs (miRNAs) covering five developmental stages [egg, early larvae, late larvae, pupae, adult (female and male)] of A. albopictus were obtained using whole-transcriptome sequencing technology. Combined with long non-coding RNAs (lncRNAs) from previous research, circRNA/lncRNA‒miRNA‒mitochondrial RNA (mRNA) networks were constructed. RESULTS A total of 1434 circRNAs and 208 miRNAs were identified. More differentially expressed circRNAs (DE circRNAs) and miRNAs (DE miRNAs) were found in the egg versus early larvae comparison group. Functional enrichment analysis demonstrated that most of the circRNA/lncRNA‒miRNA‒mRNA networks were involved in chitin metabolism. Hub genes of each circRNA/lncRNA‒miRNA‒mRNA network were screened out, which can be used as novel targets to disturb the molting process of A. albopictus. CONCLUSIONS Regulatory relationships obtained from competing endogenous RNA (ceRNA) networks provide more information to manipulate the metamorphosis process and are helpful for developing effective and sustainable methods to control mosquitoes.
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Affiliation(s)
- Wenjuan Liu
- grid.410587.fSchool of Clinical and Basic Medical Sciences, Shandong First Medical University (Shandong Academy of Medical Sciences), Jinan, 250117 China
| | - Sha An
- grid.410587.fSchool of Clinical and Basic Medical Sciences, Shandong First Medical University (Shandong Academy of Medical Sciences), Jinan, 250117 China
| | - Peng Cheng
- grid.410638.80000 0000 8910 6733Shandong Institute of Parasitic Diseases, Shandong First Medical University (Shandong Academy of Medical Sciences), Jining, 272033 China
| | - Kexin Zhang
- grid.410587.fSchool of Clinical and Basic Medical Sciences, Shandong First Medical University (Shandong Academy of Medical Sciences), Jinan, 250117 China
| | - Maoqing Gong
- grid.410638.80000 0000 8910 6733Shandong Institute of Parasitic Diseases, Shandong First Medical University (Shandong Academy of Medical Sciences), Jining, 272033 China
| | - Zhong Zhang
- grid.410587.fSchool of Clinical and Basic Medical Sciences, Shandong First Medical University (Shandong Academy of Medical Sciences), Jinan, 250117 China ,grid.410587.fSchool of Laboratory Animal (Shandong Laboratory Animal Center), Shandong First Medical University (Shandong Academy of Medical Sciences), Jinan, 250117 China
| | - Ruiling Zhang
- grid.410587.fSchool of Clinical and Basic Medical Sciences, Shandong First Medical University (Shandong Academy of Medical Sciences), Jinan, 250117 China ,grid.410587.fSchool of Laboratory Animal (Shandong Laboratory Animal Center), Shandong First Medical University (Shandong Academy of Medical Sciences), Jinan, 250117 China
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Zhang C, Guo X, Li T, Cheng P, Gong M. New insights into cypermethrin insecticide resistance mechanisms of Culex pipiens pallens by proteome analysis. Pest Manag Sci 2022; 78:4579-4588. [PMID: 35837767 DOI: 10.1002/ps.7077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 05/24/2022] [Accepted: 07/15/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Due to the development of insecticide resistance in mosquitoes, with worldwide mosquito-borne diseases resurgence in recent years, recent advances in proteome technology have facilitated a proteome-wide analysis of insecticide resistance-associated proteins in mosquitoes. Understanding the complexity of the molecular basis of insecticide resistance mechanisms employed by mosquitoes will help in designing the most effective and sustainable mosquito control methods. RESULTS After 30 generations, insecticide-selected strains showed elevated resistance levels to the cypermethrin used for selection. Proteome data allowed the detection of 2892 proteins, of which 2885 differentially expressed proteins (DEPs) achieved quantitative significances in four stages (egg, larvae, pupae, adult) of Culex pipiens pallens cypermethrin-resistant strain as compared to the susceptible strain. Among them, a significant enrichment of proteins, including cuticular proteins, enzymes involved in the detoxification (cytochrome P450, glutathione S-transferases, esterase, ATP-binding cassette) and some biological pathways (oxidative phosphorylation, hippo signalling) that are potentially involved in cypermethrin resistance, was observed. Thirty-one representative DEPs (cytochrome P450, glutathione S-transferase, cuticle protein) during Cx. pipiens pallens developmental stages were confirmed by a parallel reaction monitoring strategy. CONCLUSIONS The present study confirmed the power of isobaric tags for relative and absolute quantification for identifying concomitantly quantitative proteome changes associated with cypermethrin in Cx. pipiens pallens. Proteome analysis suggests that proteome modifications can be selected rapidly by cypermethrin, and multiple resistance mechanisms operate simultaneously in cypermethrin-resistance of Cx. pipiens pallens, Our results interpret that an up-regulated expression of proteins and enzymes like cytochrome P450, glutathione S-transferases, esterase etc. has an impact in insecticide resistance. Previously neglected penetration resistance (cuticular proteins) may play an important role in the adaptive response of Cx. pipiens pallens to insecticides. This information may serve as a basis for future work concerning the possible role of these proteins in cypermethrin resistance in mosquito Cx. pipiens pallens. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Chongxing Zhang
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, P.R. China
| | - Xiuxia Guo
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, P.R. China
| | - Tao Li
- Nanning MHelix ProTech Co., Ltd, Nanning Hi-tech Zone Bioengineering Center, Nanning, P. R. China
| | - Peng Cheng
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, P.R. China
| | - Maoqing Gong
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, P.R. China
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Bin Waleed K, Lakhani I, Gong M, Liu T, Roever L, Christien Li KH, Rajan R, Qasim Ibrahimi M, Xia Y, Tse G, Chang D, Lee S. Heart rate variability and meditation: a meta-analysis. Europace 2022. [DOI: 10.1093/europace/euac053.053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: None.
Background
Meditation can induce changes in autonomic balance, which can benefit cardiovascular health. The present meta-analysis evaluated changes in heart rate variability (HRV) in meditators.
Methods
PubMed and Embase were searched for primary prospective studies using the search terms ‘heart rate variability’ and ‘meditation’ until January 18th, 2019. The statistical significance of the difference between subgroups is evaluated by the standardized mean difference (SMD), 95% confidence interval (CI), and P-value. I2 value was used to assess the statistical heterogeneity between the included studies.
Results
Twenty-one studies involving 538 meditators (experienced= 209, beginners= 329) and 334 controls (mean age= 40.61, 35% male) were included. Regarding time-domain indices, no statistically significant differences were observed when assessing HRV between i) meditators versus controls (SMD= -0.17; 95% CI: [-0.50, 0.17]; p= 0.30; I2= 0%), ii) pre- versus post-meditation (SMD= -0.41; 95% CI: [-1.10, 0.28]; p= 0.25; I2= 80%) or iii) at baseline versus during meditation (SMD= -0.40; 95% CI: [-0.94, 0.14]; p= 0.14; I2= 72%). Pertaining to frequency-domain indices, analysis of low frequency (LF), normalized low frequency (LFnu) and high frequency (HF) between i) meditators versus controls, ii) at baseline versus post-meditation and iii) at baseline versus during meditation yet again did not show any variations. Seven studies assessed normalized high frequency (HFnu) at baseline versus during meditation collectively demonstrated a significantly higher HFnu during meditation in beginners with notable heterogeneity (SMD= 1.29; 95% CI: [0.09, 2.49]; p= 0.04; I2= 95). Moreover, LF/HF was evaluated by seven studies at baseline versus during meditation. Both meta-analysis (SMD= 0.76; 95% CI: [-0.17, 1.69]; p= 0.11; I2= 94%) as well as subset analysis of experienced meditators (SMD= -0.46; 95% CI: [-0.88, -0.03]; p= 0.03; I2= 0%) revealed a significantly lower LF/HF at baseline.
Conclusions
Short-term changes in HRV indices were observed during meditation, but there is limited evidence for significant long-term effects.
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Affiliation(s)
- K Bin Waleed
- Cardiac Electrophysiology Unit, Cardiovascular Analytics Group, Hong Kong, China-UK Collaboration, London, United Kingdom of Great Britain & Northern Ireland
| | - I Lakhani
- Cardiac Electrophysiology Unit, Cardiovascular Analytics Group, Hong Kong, China-UK Collaboration, London, United Kingdom of Great Britain & Northern Ireland
| | - M Gong
- Cardiac Electrophysiology Unit, Cardiovascular Analytics Group, Hong Kong, China-UK Collaboration, London, United Kingdom of Great Britain & Northern Ireland
| | - T Liu
- Cardiac Electrophysiology Unit, Cardiovascular Analytics Group, Hong Kong, China-UK Collaboration, London, United Kingdom of Great Britain & Northern Ireland
| | - L Roever
- Cardiac Electrophysiology Unit, Cardiovascular Analytics Group, Hong Kong, China-UK Collaboration, London, United Kingdom of Great Britain & Northern Ireland
| | - KH Christien Li
- Cardiac Electrophysiology Unit, Cardiovascular Analytics Group, Hong Kong, China-UK Collaboration, London, United Kingdom of Great Britain & Northern Ireland
| | - R Rajan
- Cardiac Electrophysiology Unit, Cardiovascular Analytics Group, Hong Kong, China-UK Collaboration, London, United Kingdom of Great Britain & Northern Ireland
| | - M Qasim Ibrahimi
- Cardiac Electrophysiology Unit, Cardiovascular Analytics Group, Hong Kong, China-UK Collaboration, London, United Kingdom of Great Britain & Northern Ireland
| | - Y Xia
- Cardiac Electrophysiology Unit, Cardiovascular Analytics Group, Hong Kong, China-UK Collaboration, London, United Kingdom of Great Britain & Northern Ireland
| | - G Tse
- Cardiac Electrophysiology Unit, Cardiovascular Analytics Group, Hong Kong, China-UK Collaboration, London, United Kingdom of Great Britain & Northern Ireland
| | - D Chang
- Cardiac Electrophysiology Unit, Cardiovascular Analytics Group, Hong Kong, China-UK Collaboration, London, United Kingdom of Great Britain & Northern Ireland
| | - S Lee
- Cardiac Electrophysiology Unit, Cardiovascular Analytics Group, Hong Kong, China-UK Collaboration, London, United Kingdom of Great Britain & Northern Ireland
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Liu W, Cheng P, Zhang K, Gong M, Zhang Z, Zhang R. Systematic identification and characterization of long noncoding RNAs (lncRNAs) during Aedes albopictus development. PLoS Negl Trop Dis 2022; 16:e0010245. [PMID: 35417446 PMCID: PMC9007367 DOI: 10.1371/journal.pntd.0010245] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Accepted: 02/10/2022] [Indexed: 12/13/2022] Open
Abstract
Background
Aedes albopictus originated in the tropical forests of Southeast Asia and can currently be found on all continents. As one of the main arboviral vectors, the control of Ae. albopictus requires novel strategies, informed by a deep knowledge of its biology. Little is known regarding mosquito long noncoding RNAs (lncRNAs), which are transcripts longer than 200 nucleotides that lack protein-coding potential and have roles in developmental regulation.
Results
Based on RNA-seq data from five developmental time points, eggs, early larvae, late larvae, pupae, and adults (female and male) of Ae. albopictus, 21,414 lncRNAs were characterized in this study. Differential expression analysis revealed that lncRNAs exhibited developmental stage specificity. The expression of most lncRNAs was upregulated at the onset of metamorphosis developmental stages. More differentially expressed lncRNAs were observed between eggs and early larvae. Weighted gene co-expression network analysis (WGCNA) further confirmed that the expression patterns of lncRNAs were obviously correlated with specific developmental time points. Functional annotation using co-expression analysis revealed that lncRNAs may be involved in the regulation of metamorphic developmental transitions of Ae. albopictus. The hub lncRNAs and hub gene clusters were identified for each module that were highly associated with specific developmental time points.
Conclusions
The results of this study will facilitate future researches to elucidate the regulatory mechanisms of lncRNAs in the development of Ae. albopictus and utilize lncRNAs to assist with mosquito control.
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Affiliation(s)
- Wenjuan Liu
- Collaborative Innovation Center for the Origin and Control of Emerging Infectious Diseases, Shandong First Medical University (Shandong Academy of Medical Sciences), Tai’an, China
- School of Basic Medical Science, Shandong First Medical University (Shandong Academy of Medical Sciences), Tai’an, China
| | - Peng Cheng
- Collaborative Innovation Center for the Origin and Control of Emerging Infectious Diseases, Shandong First Medical University (Shandong Academy of Medical Sciences), Tai’an, China
- Shandong Institute of Parasitic Diseases, Shandong First Medical University (Shandong Academy of Medical Sciences), Jining, China
| | - Kexin Zhang
- Collaborative Innovation Center for the Origin and Control of Emerging Infectious Diseases, Shandong First Medical University (Shandong Academy of Medical Sciences), Tai’an, China
- School of Basic Medical Science, Shandong First Medical University (Shandong Academy of Medical Sciences), Tai’an, China
| | - Maoqing Gong
- Collaborative Innovation Center for the Origin and Control of Emerging Infectious Diseases, Shandong First Medical University (Shandong Academy of Medical Sciences), Tai’an, China
- Shandong Institute of Parasitic Diseases, Shandong First Medical University (Shandong Academy of Medical Sciences), Jining, China
- * E-mail: (MG); (ZZ); (RZ)
| | - Zhong Zhang
- Collaborative Innovation Center for the Origin and Control of Emerging Infectious Diseases, Shandong First Medical University (Shandong Academy of Medical Sciences), Tai’an, China
- School of Basic Medical Science, Shandong First Medical University (Shandong Academy of Medical Sciences), Tai’an, China
- * E-mail: (MG); (ZZ); (RZ)
| | - Ruiling Zhang
- Collaborative Innovation Center for the Origin and Control of Emerging Infectious Diseases, Shandong First Medical University (Shandong Academy of Medical Sciences), Tai’an, China
- School of Basic Medical Science, Shandong First Medical University (Shandong Academy of Medical Sciences), Tai’an, China
- * E-mail: (MG); (ZZ); (RZ)
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Wang H, Liu H, Peng H, Wang Y, Zhang C, Guo X, Wang H, Liu L, Lv W, Cheng P, Gong M. A symbiotic gut bacterium enhances Aedes albopictus resistance to insecticide. PLoS Negl Trop Dis 2022; 16:e0010208. [PMID: 35245311 PMCID: PMC8896681 DOI: 10.1371/journal.pntd.0010208] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 01/27/2022] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND The increasing insecticide resistance of Aedes albopictus puts many countries in Asia and Africa, including China, at great risk of a mosquito-borne virus epidemic. To date, a growing number of researches have focused on the relationship between intestinal symbiotic bacteria and their hosts' resistance to insecticides. This provides a novel aspect to the study of resistant mechanisms. METHODS/FINDINGS This study reveals significant composition and dynamic changes in the intestinal symbiotic bacteria of Ae. albopictus between the resistant and susceptible strains based on full-length sequencing technology. The relative abundance of Serratia oryzae was significantly higher in the resistance strain than in the susceptible strains; also, the relative abundance of S. oryzae was significantly higher in deltamethrin-induced Ae. albopictus than in their counterpart. These suggested that S. oryzae may be involved in the development of insecticide resistance in Ae. albopictus. To explore the insecticide resistance mechanism, adult mosquitoes were fed with GFP-tagged S. oryzae, which resulted in stable bacterial enrichment in the mosquito gut without affecting the normal physiology, longevity, oviposition, and hatching rates of the host. The resistance measurements were made based on bioassays as per the WHO guidelines. The results showed that the survival rate of S. oryzae-enriched Ae. albopictus was significantly higher than the untreated mosquitoes, indicating the enhanced resistance of S. oryzae-enriched Ae. albopictus. Also, the activities of three metabolic detoxification enzymes in S. oryzae-enriched mosquitoes were increased to varying degrees. Meanwhile, the activity of extracellular enzymes released by S. oryzae was measured, but only carboxylesterase activity was detected. HPLC and UHPLC were respectively used to measure deltamethrin residue concentration and metabolite qualitative analysis, showing that the deltamethrin degradation efficiency of S. oryzae was positively correlated with time and bacterial amount. Deltamethrin was broken down into 1-Oleoyl-2-hydroxy-sn-glycero-3-PE and 2',2'-Dibromo-2'-deoxyguanosine. Transcriptome analysis revealed that 9 cytochrome P450s, 8 GSTs and 7 CarEs genes were significantly upregulated. CONCLUSIONS S. oryzae can be accumulated into adult Ae. albopictus by artificial feeding, which enhances deltamethrin resistance by inducing the metabolic detoxification genes and autocrine metabolic enzymes. S. oryzae is vertically transmitted in Ae. albopictus population. Importantly, S. oryzae can degrade deltamethrin in vitro, and use deltamethrin as the sole carbon source for their growths. Therefore, in the future, S. oryzae may also be commercially used to break down the residual insecticides in the farmland and lakes to protect the environment.
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Affiliation(s)
- Haiyang Wang
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Hongmei Liu
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Hui Peng
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Yang Wang
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Chongxing Zhang
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Xiuxia Guo
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Haifang Wang
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Lijuan Liu
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Wenxiang Lv
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Peng Cheng
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
- * E-mail: (PC); (MG)
| | - Maoqing Gong
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
- * E-mail: (PC); (MG)
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17
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Sun J, Dong Y, Wang X, Cao J, Gong M, Li C. Microrods synthesized of MoO3 with corn straw as biological templates and its electrochemical performance in aqueous aluminum-ion battery. B CHEM SOC ETHIOPIA 2022. [DOI: 10.4314/bcse.v35i3.17] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
ABSTRACT. In this paper, MoO3 microrods were prepared using corn straw as biological template via roasting process The components and crystal characterization of the material were investigated via X-ray diffraction (XRD),scanning electron microscopy (SEM), and the electrochemistry property and mechanism were studied. The results showed that the MoO3 material synthesized by template method is orthorhombic structures. The MoO3 particles were submicron and micron rods with uniform distribution and a smooth surface. MoO3 microrods had an average diameter that ranged from 1 to 2 μm. The result indicated that the MoO3 as the new negative of aluminum battery delivers a higher discharge capacity of 190 mA·h·g-1 at a scanning rate of 1 mV·s-1, which showing good capacity and cycling performance.
KEY WORDS: Biological template, Corn straw, Aqueous aluminum-ion battery, MoO3
Bull. Chem. Soc. Ethiop. 2021, 35(3), 669-675.
DOI: https://dx.doi.org/10.4314/bcse.v35i3.17
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18
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Chen MC, Wang C, Liu FM, Wang JW, Ying C, Shang ZX, Wu Y, Gong M, Deng H, Liang FT, Zhang Q, Peng CZ, Zhu X, Cabello A, Lu CY, Pan JW. Ruling Out Real-Valued Standard Formalism of Quantum Theory. Phys Rev Lett 2022; 128:040403. [PMID: 35148136 DOI: 10.1103/physrevlett.128.040403] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 12/07/2021] [Indexed: 06/14/2023]
Abstract
Standard quantum theory was formulated with complex-valued Schrödinger equations, wave functions, operators, and Hilbert spaces. Previous work attempted to simulate quantum systems using only real numbers by exploiting an enlarged Hilbert space. A fundamental question arises: are the complex numbers really necessary in the standard formalism of quantum theory? To answer this question, a quantum game has been developed to distinguish standard quantum theory from its real-number analog, by revealing a contradiction between a high-fidelity multiqubit quantum experiment and players using only real-number quantum theory. Here, using superconducting qubits, we faithfully realize the quantum game based on deterministic entanglement swapping with a state-of-the-art fidelity of 0.952. Our experimental results violate the real-number bound of 7.66 by 43 standard deviations. Our results disprove the real-number formulation and establish the indispensable role of complex numbers in the standard quantum theory.
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Affiliation(s)
- Ming-Cheng Chen
- Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei, Anhui 230026, China
- CAS Centre for Excellence and Synergetic Innovation Centre in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, China
- Shanghai Research Center for Quantum Sciences, Shanghai 201315, China
| | - Can Wang
- Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei, Anhui 230026, China
- CAS Centre for Excellence and Synergetic Innovation Centre in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, China
- Shanghai Research Center for Quantum Sciences, Shanghai 201315, China
| | - Feng-Ming Liu
- Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei, Anhui 230026, China
- CAS Centre for Excellence and Synergetic Innovation Centre in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, China
- Shanghai Research Center for Quantum Sciences, Shanghai 201315, China
| | - Jian-Wen Wang
- Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei, Anhui 230026, China
- CAS Centre for Excellence and Synergetic Innovation Centre in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, China
- Shanghai Research Center for Quantum Sciences, Shanghai 201315, China
| | - Chong Ying
- Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei, Anhui 230026, China
- CAS Centre for Excellence and Synergetic Innovation Centre in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, China
- Shanghai Research Center for Quantum Sciences, Shanghai 201315, China
| | - Zhong-Xia Shang
- Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei, Anhui 230026, China
- CAS Centre for Excellence and Synergetic Innovation Centre in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, China
- Shanghai Research Center for Quantum Sciences, Shanghai 201315, China
| | - Yulin Wu
- Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei, Anhui 230026, China
- CAS Centre for Excellence and Synergetic Innovation Centre in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, China
- Shanghai Research Center for Quantum Sciences, Shanghai 201315, China
| | - M Gong
- Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei, Anhui 230026, China
- CAS Centre for Excellence and Synergetic Innovation Centre in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, China
- Shanghai Research Center for Quantum Sciences, Shanghai 201315, China
| | - H Deng
- Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei, Anhui 230026, China
- CAS Centre for Excellence and Synergetic Innovation Centre in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, China
- Shanghai Research Center for Quantum Sciences, Shanghai 201315, China
| | - F-T Liang
- Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei, Anhui 230026, China
- CAS Centre for Excellence and Synergetic Innovation Centre in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, China
- Shanghai Research Center for Quantum Sciences, Shanghai 201315, China
| | - Qiang Zhang
- Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei, Anhui 230026, China
- CAS Centre for Excellence and Synergetic Innovation Centre in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, China
- Shanghai Research Center for Quantum Sciences, Shanghai 201315, China
| | - Cheng-Zhi Peng
- Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei, Anhui 230026, China
- CAS Centre for Excellence and Synergetic Innovation Centre in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, China
- Shanghai Research Center for Quantum Sciences, Shanghai 201315, China
| | - Xiaobo Zhu
- Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei, Anhui 230026, China
- CAS Centre for Excellence and Synergetic Innovation Centre in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, China
- Shanghai Research Center for Quantum Sciences, Shanghai 201315, China
| | - Adán Cabello
- Departamento de Física Aplicada II, Universidad de Sevilla, E-41012 Sevilla, Spain
- Instituto Carlos I de Física Teórica y Computacional, Universidad de Sevilla, E-41012 Sevilla, Spain
| | - Chao-Yang Lu
- Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei, Anhui 230026, China
- CAS Centre for Excellence and Synergetic Innovation Centre in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, China
- Shanghai Research Center for Quantum Sciences, Shanghai 201315, China
| | - Jian-Wei Pan
- Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei, Anhui 230026, China
- CAS Centre for Excellence and Synergetic Innovation Centre in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, China
- Shanghai Research Center for Quantum Sciences, Shanghai 201315, China
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Xu C, Huang B, Wei Q, Li J, Kong X, Xiao T, Sun H, Zhao G, Yan G, Gong M, Yin K. High genetic diversity in Plasmodium falciparum isolates among Chinese migrant workers returnee from Africa. Parasitol Res 2021; 121:461-464. [PMID: 34750654 DOI: 10.1007/s00436-021-07368-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 11/01/2021] [Indexed: 11/27/2022]
Abstract
Malaria is one of the most important parasitic diseases that causes a serious public health problem. The genetic diversity of malaria parasites may affect malaria transmission and malaria control strategies. In China, imported malaria was significantly increased in recent years, among which numerous migrant workers were infected with Plasmodium falciparum from Africa. However, little was known about genetic diversity of these populations in China. In this study, we evaluated genetic polymorphism and allele frequencies of msp1, msp2, and glurp genes in P. falciparum among Chinese migrant workers returnee from Africa between 2013 and 2017. Of the 381 P. falciparum isolates, 89.0% for msp1 gene, 71.7% for msp2 gene, and 78.0% for glurp gene were successfully genotyped. In msp1, 29 different alleles were observed, among which the K1 allelic family (71.7%) was predominant. In msp2, 21 different alleles were detected, of which the 3D7 allelic family (91.2%) was more frequent than FC27 allelic family (72.5%). For glurp, 12 individual alleles were detected in the samples. Taken together, the findings showed a high genetic diversity of these isolates, which provided the baseline data for African P. falciparum population imported to China.
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Affiliation(s)
- Chao Xu
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Bingcheng Huang
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Qingkuan Wei
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Jin Li
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Xiangli Kong
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Ting Xiao
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Hui Sun
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Guihua Zhao
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Ge Yan
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Maoqing Gong
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China.
| | - Kun Yin
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China.
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Wang H, Peng H, Li W, Cheng P, Gong M. The Toxins of Beauveria bassiana and the Strategies to Improve Their Virulence to Insects. Front Microbiol 2021; 12:705343. [PMID: 34512581 PMCID: PMC8430825 DOI: 10.3389/fmicb.2021.705343] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Accepted: 07/27/2021] [Indexed: 01/18/2023] Open
Abstract
The long-term and excessive usage of pesticides is an enormous burden on the environment, which also increases pest resistance. To overcome this problem, research and application of entomopathogenic fungi, which are both environmentally friendly and cause lower resistance, have gained great momentum. Entomopathogenic fungi have a wide range of prospects. Apart from Bacillus thuringiensis, Beauveria bassiana is the most studied biopesticide. After invading insect hosts, B. bassiana produces a variety of toxins, which are secondary metabolites such as beauvericin, bassianin, bassianolide, beauverolides, tenellin, oosporein, and oxalic acid. These toxins help B. bassiana to parasitize and kill the hosts. This review unequivocally considers beauveria toxins highly promising and summarizes their attack mechanism(s) on the host insect immune system. Genetic engineering strategies to improve toxin principles, genes, or virulent molecules of B. bassiana have also been discussed. Lastly, we discuss the future perspective of Beauveria toxin research, including newly discovered toxins.
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Affiliation(s)
- Haiyang Wang
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China.,College of Forensic Medicine and Laboratory Medicine, Jining Medical University, Jining, China
| | - Hui Peng
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Wenjuan Li
- College of Forensic Medicine and Laboratory Medicine, Jining Medical University, Jining, China
| | - Peng Cheng
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Maoqing Gong
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
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21
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Liu T, Yuan M, Gong M, He J, Zhang Z, Meng L, Tse G, Zhao Y, Bao Q, Zhang Y, Yuan M, Liu X, Wang F, Li G. IP3R1/GRP75/VDAC1 complex mediated endoplasmic reticulum stress-mitochondrial oxidative stress in diabetic atrial remodeling. Europace 2021. [DOI: 10.1093/europace/euab116.562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: Foundation. Main funding source(s): National Natural Science Foundation of China
Background
Mitochondrial oxidative stress is an important mechanism of atrial remodeling and atrial fibrillation (AF) in the setting of diabetes. Currently, endoplasmic reticulum (ER) stress is regarded as the key link from homeostasis to dysfunction, and is a central feature of metabolic diseases such as type 2 diabetes. However, the molecular mechanisms underlying these processes have not been fully elucidated.
Objective
To explore the potential role of ER stress-mitochondrial oxidative stress in atrial remodeling and AF induction in diabetes.
Methods
Mouse atrial cardiomyocytes (HL-1 cells) , type 2 diabetic rats and GRP75 conditional knockout mice were used as models systems. These findings were correlated with biomarker findings in human diabetic patients with confirmed atrial fibrillation.
Results
In the diabetic rat atria, significant ER stress was observed. Treatment with tunicamycin (TM), an ER stress agonist, mass spectrometry (MS) demonstrated many known ER stress and calmodulin proteins, including Heat shock protein family A (Hsp70) member (Hspa) 5 (GRP78) and Hspa9 (GRP75) and in situ proximity ligation assay (PLA) indicated that TM led to increased protein expression of the IP3R1 (inositol 1,4,5-trisphosphate receptors 1)/GRP75 (glucose-regulated protein 75)/VDAC1 (voltage-dependent anion channel 1) complex in HL-1 cells. Silencing of GRP75 using siRNA in HL-1 cells and GRP75 conditional knockout in our mouse model led to impaired calcium transport from the ER to mitochondria, and alleviated mitochondrial oxidative stress and calcium overload. Moreover, GRP75 deficiency attenuates atrial remodeling and AF progression in Myh6-Cre+/Hspa9flox/flox + TM mice.
Conclusions
The IP3R1/GRP75/VDAC1 complex mediates endoplasmic reticulum stress-mitochondrial oxidative stress plays an important role in diabetic atrial remodeling. Abstract Figure
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Affiliation(s)
- T Liu
- 2nd Hospital of Tianjin Medical University, Tianjin, China
| | - M Yuan
- 2nd Hospital of Tianjin Medical University, Tianjin, China
| | - M Gong
- 2nd Hospital of Tianjin Medical University, Tianjin, China
| | - J He
- 2nd Hospital of Tianjin Medical University, Tianjin, China
| | - Z Zhang
- 2nd Hospital of Tianjin Medical University, Tianjin, China
| | - L Meng
- 2nd Hospital of Tianjin Medical University, Tianjin, China
| | - G Tse
- 2nd Hospital of Tianjin Medical University, Tianjin, China
| | - Y Zhao
- Tianjin University of Sport, Health and Exercise Science, Tianjin, China
| | - Q Bao
- 2nd Hospital of Tianjin Medical University, Tianjin, China
| | - Y Zhang
- 2nd Hospital of Tianjin Medical University, Tianjin, China
| | - M Yuan
- 2nd Hospital of Tianjin Medical University, Tianjin, China
| | - X Liu
- 2nd Hospital of Tianjin Medical University, Tianjin, China
| | - F Wang
- Tianjin Medical University, Tianjin, China
| | - G Li
- 2nd Hospital of Tianjin Medical University, Tianjin, China
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Sun H, Li J, Wang L, Yin K, Xu C, Liu G, Xiao T, Huang B, Wei Q, Gong M, Cao J. Comparative Proteomics Analysis for Elucidating the Interaction Between Host Cells and Toxoplasma gondii. Front Cell Infect Microbiol 2021; 11:643001. [PMID: 34055664 PMCID: PMC8158437 DOI: 10.3389/fcimb.2021.643001] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Accepted: 04/30/2021] [Indexed: 11/19/2022] Open
Abstract
Toxoplasma gondii, a representative model organism belonging to the phylum Apicomplexa, can infect almost all warm-blooded organisms, including humans. The invasion of host cells via host–parasite interaction is the key step for T. gondii to complete its life cycle. Herein we performed tandem mass tag analysis to investigate global proteomic changes in host cells (human foreskin fibroblasts, HFFs) [HFFs infected with T. gondii (HT) vs. HFFs (H)] and T. gondii [HT vs. T. gondii (T)] during intracellular infection. Overall, 3477 and 1434 proteins were quantified, of which 375 and 1099 proteins were differentially expressed (adjusted p-value < 0.05 and >1.5 or <0.67-fold change) in host cells and T. gondii, respectively. T. gondii invasion relies on the secretion of numerous secretory proteins, which originate from three secretory organelles: micronemes, rhoptries, and dense granules. In the HT vs. T group, few secretory proteins were upregulated, such as microneme proteins (MICs: MIC6, MIC10), rhoptry bulb proteins (ROPs: ROP5, ROP17), and dense granule proteins (GRAs: GRA4, GRA5, GRA12). In contrast, dozens of known secretory proteins were significantly downregulated in T. gondii-infected HFFs. In HFFs, gene ontology and Kyoto Encyclopedia of Genes and Genomes pathway analyses revealed a large number of differentially expressed proteins (DEPs) enriched in metabolic processes and immune-associated signaling pathways, such as NF-κB, cAMP, and Rap1 signaling pathways. Further, in case of T. gondii, DEPs were involved in ribosome biogenesis, citrate cycle, and galactose metabolism, indicating that cell biosynthesis and metabolism of T. gondii were altered after host cell invasion. These findings reveal novel modifications in the proteome of host cells as well as T. gondii, helping us better understand the mechanisms underlying host–parasite interaction.
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Affiliation(s)
- Hui Sun
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining City, China.,National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention (Chinese Center for Tropical Diseases Research), National Health Commission of People's Republic of China Key Laboratory of Parasite and Vector Biology, World Health Organization Collaborating Centre for Tropical Diseases, Shanghai, China.,The School of Global Health, Chinese Center for Tropical Diseases Research, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jin Li
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining City, China
| | - Longjiang Wang
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining City, China
| | - Kun Yin
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining City, China
| | - Chao Xu
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining City, China
| | - Gongzhen Liu
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining City, China
| | - Ting Xiao
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining City, China
| | - Bingcheng Huang
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining City, China
| | - Qingkuan Wei
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining City, China
| | - Maoqing Gong
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining City, China
| | - Jianping Cao
- National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention (Chinese Center for Tropical Diseases Research), National Health Commission of People's Republic of China Key Laboratory of Parasite and Vector Biology, World Health Organization Collaborating Centre for Tropical Diseases, Shanghai, China.,The School of Global Health, Chinese Center for Tropical Diseases Research, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Wang H, Zhang C, Cheng P, Wang Y, Liu H, Wang H, Wang H, Gong M. Differences in the intestinal microbiota between insecticide-resistant and -sensitive Aedes albopictus based on full-length 16S rRNA sequencing. Microbiologyopen 2021; 10:e1177. [PMID: 33970535 PMCID: PMC8087943 DOI: 10.1002/mbo3.1177] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Revised: 02/08/2021] [Accepted: 02/12/2021] [Indexed: 12/12/2022] Open
Abstract
The intestinal symbiotic bacteria of Aedes albopictus play a potential role in host resistance to insecticides. In this study, we sequenced the full‐length of 16S rRNA and analyzed the differences in the intestinal microbiota between deltamethrin‐resistant and ‐sensitive Ae. albopictus. Symbiotic bacteria were cultured and analyzed using six types of culture media in aerobic and anaerobic environments. We found significant differences in the diversity and abundance of the intestinal microbiota of the two strains of Ae. albopictus. The symbiotic bacteria cultured in vitro were found to be mainly facultative anaerobes. The cultured bacteria such as Serratia oryzae and Acinetobacter junii may function to promote the development of insecticide resistance. This work indicates that intestinal bacteria may contribute to the enhancement of insecticide resistance of Ae. albopictus It also highlights the analytical advantage of full‐length 16S rRNA sequencing to study the intestinal microbiota of mosquitoes.
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Affiliation(s)
- Haiyang Wang
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Chongxing Zhang
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Peng Cheng
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Yang Wang
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Hongmei Liu
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Haifang Wang
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Huaiwei Wang
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Maoqing Gong
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
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Zhang C, Shi Q, Li T, Cheng P, Guo X, Song X, Gong M. Comparative proteomics reveals mechanisms that underlie insecticide resistance in Culex pipiens pallens Coquillett. PLoS Negl Trop Dis 2021; 15:e0009237. [PMID: 33764997 PMCID: PMC7993597 DOI: 10.1371/journal.pntd.0009237] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Accepted: 02/12/2021] [Indexed: 11/23/2022] Open
Abstract
Mosquito control based on chemical insecticides is considered as an important element of the current global strategies for the control of mosquito-borne diseases. Unfortunately, the development of insecticide resistance of important vector mosquito species jeopardizes the effectiveness of insecticide-based mosquito control. In contrast to target site resistance, other mechanisms are far from being fully understood. Global protein profiles among cypermethrin-resistant, propoxur-resistant, dimethyl-dichloro-vinyl-phosphate-resistant and susceptible strain of Culex pipiens pallens were obtained and proteomic differences were evaluated by using isobaric tags for relative and absolute quantification labeling coupled with liquid chromatography/tandem mass spectrometric analysis. A susceptible strain of Culex pipiens pallens showed elevated resistance levels after 25 generations of insecticide selection, through iTRAQ data analysis detected 2,502 proteins, of which 1,513 were differentially expressed in insecticide-selected strains compared to the susceptible strain. Finally, midgut differential protein expression profiles were analyzed, and 62 proteins were selected for verification of differential expression using iTRAQ and parallel reaction monitoring strategy, respectively. iTRAQ profiles of adaptation selection to three insecticide strains combined with midgut profiles revealed that multiple insecticide resistance mechanisms operate simultaneously in resistant insects of Culex pipiens pallens. Significant molecular resources were developed for Culex pipiens pallens, potential candidates were involved in metabolic resistance and reducing penetration or sequestering insecticide. Future research that is targeted towards RNA interference of the identified metabolic targets, such as cuticular proteins, cytochrome P450s, glutathione S-transferases and ribosomal proteins proteins and biological pathways (drug metabolism—cytochrome P450, metabolism of xenobiotics by cytochrome P450, oxidative phosphorylation, ribosome) could lay the foundation for a better understanding of the genetic basis of insecticide resistance in Culex pipiens pallens. Global protein profiles were compared among a susceptible strain of Cx. pipiens pallens and strains that were cypermethrin-resistant, propoxur-resistant, and dimethyl-dichloro-vinyl-phosphate-resistant after 25 generations of selection by distinct chemical insecticide families, multiple mechanisms were found to operate simultaneously in resistant mosquitoes of Cx. pipiens pallens, including mechanisms to lower penetration of or sequester the insecticide or to increase biodegradation of the insecticide via subtle alterations in either the cuticular protein levels or the activities of detoxification enzymes (P450s and glutathione S-transferases).
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Affiliation(s)
- Chongxing Zhang
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong, P.R. China
- * E-mail: (ZCX); (GMQ)
| | - Qiqi Shi
- National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Key Laboratory of Parasite and Vector Biology, MOH, National Center for International Research on Tropical Diseases, WHO Collaborating Centre for Tropical Diseases, Shanghai, China
| | - Tao Li
- Nanning MHelixProTech Co., Ltd., Nanning Hi-tech Zone Bioengineering Center, Nanning, P.R. China
| | - Peng Cheng
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong, P.R. China
| | - Xiuxia Guo
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong, P.R. China
| | - Xiao Song
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong, P.R. China
| | - Maoqing Gong
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong, P.R. China
- * E-mail: (ZCX); (GMQ)
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25
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Wang H, Wang Y, Cheng P, Wang H, Wang H, Liu H, Zhang C, Gong M. The Larval Density of Mosquitos (Diptera: Culicidae) in Jiaxiang County, Shandong Province, China: Influence of Bacterial Diversity, Richness, and Physicochemical Factors. Front Ecol Evol 2021. [DOI: 10.3389/fevo.2021.616769] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
As Jiaxiang County of Shandong province is an area with complex mosquito vector composition, it is necessary to investigate the relationship between bacterial diversity, physicochemical factors, and larval density. Therefore, the physicochemical properties of 46 breeding sites for six kinds of habitat types (small puddles, small water containers, paddy fields, large water containers, irrigation channels, and drainage ditches) were investigated by a multiparameter analyzer; the water’s bacterial diversity was analyzed by the 16S rRNA full-length sequencing method. Spearman correlation and multiple linear regression were used to analyze the correlation between larval density and variables. The variables analyzed were dissolved oxygen, pH, hardness, turbidity, conductivity, temperature, ammonia nitrogen, water depth, and distance from the nearest house. One-Way ANOVA was used to understand whether there are differences in bacterial diversity in different habitats. Pearson linear correlation model was used to analyze the effects of bacterial diversity and richness on mosquito densities in breeding sites. A total of 3291 larvae were captured, and a total of 6 species of 4 genera were identified. The identified species were Culex pipiens pallens, Aedes albopictus, Anopheles sinensis, Culex tritaeniorhynchus, Culex bitaeniorhynchus, and Mansonia uniformis. The density and species can be jointly affected by physicochemical properties and bacterial diversity, especially Shannon index and distance from the nearest house. In general, the physicochemical parameters and bacterial diversity of different habitats were significantly different. Even for the same habitat type, the physicochemical parameters varied greatly due to different environments.
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Song X, Shi Q, Zhang C, Kong X, Lv Y, Wang H, Liu H, Liu L, Guo X, Kou J, Huang X, Wang H, Cheng P, Gong M. Analysis of Epidemiological Changes and Prevention Effects for Malaria in Weifang, Shandong Province, China from 1957 to 2017. Iran J Public Health 2020; 49:1857-1867. [PMID: 33346239 PMCID: PMC7719643 DOI: 10.18502/ijph.v49i10.4687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Background We aimed to conduct a retrospective analysis of the epidemiological changes and prevention effects for malaria in Weifang, Shandong Peninsula, China from 1957 to 2017. Methods The malaria data from a web-based reporting system were analyzed to explore malaria epidemiological characteristics and prevention effects in Weifang. Results Overall, 1, 704, 890 malaria cases were reported in Weifang from 1957 to 2017, of which two major malaria epidemics occurred in 1961 (827.28/10, 000) and 1971 (366.14/10, 000). Prior to 1997, all malaria patients (1, 704, 829) were infected with Plasmodium vivax (P. vivax). After 2007, the cases of Plasmodium falciparum (P. falciparum) showed an upward trend (76.8%). The reported cases after the 21st century were mainly imported cases, and the last indigenous case was a patient that infected with P. vivax in 2006. Overall, 36 imported cases were reported from 2010 to 2017, of which 88.9% were acquired in Africa. Except for one 32-year-old woman, the rest were male (97.2%), in which laborers and farmers represented the vast majority (66.6%). From 1987 to 2017, there were 1, 224, 474 cases of fever with blood tests, and the average blood test rate was 4.9%. From 1957 to 2017, a total of 1, 704, 890 malaria patients were treated, 96 cases were treated during resting phase from 1987 to 2017. Conclusion Weifang should continue to strengthen the management of the migrant population, making blood tests for fever patients and patient treatment as important means of malaria control and monitoring.
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Affiliation(s)
- Xiao Song
- Shandong Institute of Parasitic Diseases, Shandong Academy of Medical Sciences, Jining 272033, Shandong, China.,School of Medicine and Life Sciences, University of Jinan-Shandong Academy of Medical Sciences, Zhangqiu 250200, Shandong, China
| | - Qiqi Shi
- Shandong Institute of Parasitic Diseases, Shandong Academy of Medical Sciences, Jining 272033, Shandong, China
| | - Chongxing Zhang
- Shandong Institute of Parasitic Diseases, Shandong Academy of Medical Sciences, Jining 272033, Shandong, China
| | - Xiangli Kong
- Shandong Institute of Parasitic Diseases, Shandong Academy of Medical Sciences, Jining 272033, Shandong, China
| | - Yeyuan Lv
- Shandong Institute of Parasitic Diseases, Shandong Academy of Medical Sciences, Jining 272033, Shandong, China
| | - Haifang Wang
- Shandong Institute of Parasitic Diseases, Shandong Academy of Medical Sciences, Jining 272033, Shandong, China
| | - Hongmei Liu
- Shandong Institute of Parasitic Diseases, Shandong Academy of Medical Sciences, Jining 272033, Shandong, China
| | - Lijuan Liu
- Shandong Institute of Parasitic Diseases, Shandong Academy of Medical Sciences, Jining 272033, Shandong, China
| | - Xiuxia Guo
- Shandong Institute of Parasitic Diseases, Shandong Academy of Medical Sciences, Jining 272033, Shandong, China
| | - Jingxuan Kou
- Shandong Institute of Parasitic Diseases, Shandong Academy of Medical Sciences, Jining 272033, Shandong, China
| | - Xiaodan Huang
- Shandong Institute of Parasitic Diseases, Shandong Academy of Medical Sciences, Jining 272033, Shandong, China
| | - Huaiwei Wang
- Shandong Institute of Parasitic Diseases, Shandong Academy of Medical Sciences, Jining 272033, Shandong, China
| | - Peng Cheng
- Shandong Institute of Parasitic Diseases, Shandong Academy of Medical Sciences, Jining 272033, Shandong, China
| | - Maoqing Gong
- Shandong Institute of Parasitic Diseases, Shandong Academy of Medical Sciences, Jining 272033, Shandong, China
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Cheng P, Liu L, Lv Y, Wang H, Gong M, Liu H. Monitoring insecticide resistance in malaria vectors in Shandong Province: approaching malaria elimination. J Vector Ecol 2020; 45:380-383. [PMID: 33207058 DOI: 10.1111/jvec.12407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Affiliation(s)
- Peng Cheng
- World Health Organization Collaborating Centre for Lymphatic Filariasis and Taeniasis/Cysticercosis, Shandong Academy of Medical Sciences, Shandong Institute of Parasitic Diseases, Department of Medical Entomology, Jining, Shandong Province, 272033, People's Republic of China
| | - Lijuan Liu
- World Health Organization Collaborating Centre for Lymphatic Filariasis and Taeniasis/Cysticercosis, Shandong Academy of Medical Sciences, Shandong Institute of Parasitic Diseases, Department of Medical Entomology, Jining, Shandong Province, 272033, People's Republic of China
| | - Yeyuan Lv
- World Health Organization Collaborating Centre for Lymphatic Filariasis and Taeniasis/Cysticercosis, Shandong Academy of Medical Sciences, Shandong Institute of Parasitic Diseases, Department of Medical Entomology, Jining, Shandong Province, 272033, People's Republic of China
| | - Haifang Wang
- World Health Organization Collaborating Centre for Lymphatic Filariasis and Taeniasis/Cysticercosis, Shandong Academy of Medical Sciences, Shandong Institute of Parasitic Diseases, Department of Medical Entomology, Jining, Shandong Province, 272033, People's Republic of China
| | - Maoqing Gong
- World Health Organization Collaborating Centre for Lymphatic Filariasis and Taeniasis/Cysticercosis, Shandong Academy of Medical Sciences, Shandong Institute of Parasitic Diseases, Department of Medical Entomology, Jining, Shandong Province, 272033, People's Republic of China
| | - Hongmei Liu
- World Health Organization Collaborating Centre for Lymphatic Filariasis and Taeniasis/Cysticercosis, Shandong Academy of Medical Sciences, Shandong Institute of Parasitic Diseases, Department of Medical Entomology, Jining, Shandong Province, 272033, People's Republic of China
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Zhao CX, Wang JW, Gong M. Efficacy and safety of alginate formulations in patients with gastroesophageal reflux disease: a systematic review and meta-analysis of randomized controlled trials. Eur Rev Med Pharmacol Sci 2020; 24:11845-11857. [PMID: 33275256 DOI: 10.26355/eurrev_202011_23841] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
OBJECTIVE Alginate formulations are increasingly being used for treating gastroesophageal reflux disease (GERD). However, the benefits of alginate versus control or proton pump inhibitors (PPIs) are somewhat unclear. We performed a systematic review and meta-analysis to summarize data from recent randomized controlled trials (RCTs) comparing the efficacy and safety of alginate-based formulation with PPIs or control for the treatment of GERD. MATERIALS AND METHODS PubMed, Embase, Scopus, BioMed Central, CENTRAL, and Google scholar databases were searched from 1st January 2000 to 15th June 2020. Primary outcome was a reduction of symptoms while secondary outcomes were adverse events and treatment withdrawals. Ten articles with 11 RCTs were included. RESULTS Qualitative analysis of four trials indicated better outcomes with alginates vs. placebo/antacids. Our pooled analysis, however, indicated no statistically significant difference between alginates and placebo/antacids for relief of heartburn, regurgitation, or dyspepsia. Similarly, no difference was seen between a combination of alginate and PPI vs. PPI alone for reduction of heartburn, regurgitation, or dyspepsia symptoms. The risk of adverse events and treatment withdrawal did not differ between the two groups in either comparison. Descriptive analysis of studies comparing alginate vs. PPI indicated no difference between the two drugs. CONCLUSIONS Our study indicates that alginates may have greater efficacy than placebo/antacids in improving outcomes of GERD. However, current evidence on the efficacy of alginate-based formulations vs. PPI or the role of added alginates with PPI is questionable, and suggests no difference between the two drugs. The risk of adverse events with alginates is no greater than that of placebo or PPIs.
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Affiliation(s)
- C-X Zhao
- Department of Gastroenterology, Zaozhuang Hospital of Traditional Chinese Medicine, Shandong Province, P.R. China.
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Abstract
China used to be one of the most heavily endemic countries for lymphatic filariasis (LF) in the world. Bancroftian filariasis, which is caused by the filarioid nematode Wuchereria bancrofti, is the only filariasis in Shandong Province. A total of 864 endemic counties (cities) in 16 provinces/autonomous regions/municipalities with a total population of 330 million people were at risk of infection. Shandong Province was a highly LF-endemic area in the 1950s, the epidemiological investigation of LF conducted in 1957 indicated that the disease was endemic in 74 counties and the highest microfilaria rate was up to 26%. There were ∼5 million people in the province infected with LF; among which almost 2.5 million people had lymphedema, elephantiasis, or hydrocele. Through vigorous prevention and scientific research, Shandong Province was the first to propose to treat LF with fortified diethylcarbamazine salt, more than 25 million people in the province had taken the salt, and more than 3 million people took intermittent medication. After more than 50 years of unremitting efforts, Shandong Province basically eliminated LF in 1983 and became the first province in China that successfully eradicated LF in 2004, which has played an important role in accelerating the elimination of filariasis in the country in 2007 and has made tremendous contributions to social and economic development of China. Since 1980, Shandong Province has carried out extensive international cooperation as the WHO Collaborating Center for Lymphatic Filariasis. This article is intended to share the experience in eliminating LF to other parts of the world and improve public health capacity in regions such as Africa and Oceania where the disease is still endemic for interest.
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Affiliation(s)
- Xiaodan Huang
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Xuli Deng
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Jingxuan Kou
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Xin Liu
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Huaiwei Wang
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Peng Cheng
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Maoqing Gong
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
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Wang Y, Cheng P, Jiao B, Song X, Wang H, Wang H, Wang H, Huang X, Liu H, Gong M. Investigation of mosquito larval habitats and insecticide resistance in an area with a high incidence of mosquito-borne diseases in Jining, Shandong Province. PLoS One 2020; 15:e0229764. [PMID: 32130263 PMCID: PMC7055894 DOI: 10.1371/journal.pone.0229764] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Accepted: 02/13/2020] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND To investigate mosquito larval habitats and resistance to common insecticides in areas with high incidence rates of mosquito-borne diseases in Jining, Shandong Province, and to provide a scientific basis for the future prevention and control of mosquito-borne diseases and the rational use of insecticides. METHODS AND RESULTS From June to September 2018, mosquito habitat characteristics and species compositions in Jintun town were studied through a cross-sectional survey. Larvae and pupae were collected in different habitats using the standard dipping technique. A total of 7,815 mosquitoes, comprising 7 species from 4 genera, were collected. Among them, Culex pipiens pallens (n = 5,336, 68.28%) was the local dominant species and found in all four habitats (rice paddies, irrigation channels, water containers, drainage ditches). There were 1,708 Cx. tritaeniorhynchus (21.85%), 399 Anopheles sinensis (5.11%), 213 Armigeres subalbatus (2.72%), 124 Aedes albopictus (1.59%), and 35 other (Cx. bitaeniorhynchus and Cx. halifaxii) (0.45%) mosquito samples collected. Spearman correlation analysis was employed to evaluate the relationship between larval density and the physicochemical characteristics of the breeding habitat. It was found that the larval density of Cx. tritaeniorhynchus correlated positively with water depth (r = 0.927 p = 0.003), the larval density of An. sinensis correlated positively with dissolved oxygen (DO) (r = 0.775 p = 0.041) and the larval density of Cx. p. pallens correlated positively with ammonia nitrogen (r = 0.527 p = 0.002). Resistance bioassays were carried out on the dominant populations of Cx. p. pallens: mosquitoes presented very high resistance to cypermethrin and deltamethrin, moderate resistance to dichlorvos (DDVP), and low resistance to Bacillus thuringiensis israelensis (Bti), with decreased susceptibility to propoxur. CONCLUSION We showed that mosquito species vary across habitat type and that the mosquito larval density correlated positively with certain physicochemical characteristics in different habitats. In addition, Cx. p. pallens developed different levels of resistance to five insecticides. Vector monitoring should be strengthened after an epidemic, and further research should be conducted to scientifically prevent and kill mosquitoes.
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Affiliation(s)
- Yang Wang
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong Province, China
- School of Medicine and Life Sciences, University of Jinan-Shandong Academy of Medical Sciences, Jinan,
Shandong Province, China
| | - Peng Cheng
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong Province, China
| | - Boyan Jiao
- Jining Center for Disease Control and Prevention, Jining, Shandong Province, China
| | - Xiao Song
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong Province, China
- School of Medicine and Life Sciences, University of Jinan-Shandong Academy of Medical Sciences, Jinan,
Shandong Province, China
| | - Haiyang Wang
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong Province, China
- School of Medicine and Life Sciences, University of Jinan-Shandong Academy of Medical Sciences, Jinan,
Shandong Province, China
| | - Haifang Wang
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong Province, China
| | - Huaiwei Wang
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong Province, China
| | - Xiaodan Huang
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong Province, China
| | - Hongmei Liu
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong Province, China
| | - Maoqing Gong
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong Province, China
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Song X, Wang Y, Kong X, Wang H, Huang X, Liu H, Liu L, Guo X, Zhang C, Zhao Y, Kou J, Wang H, Cheng P, Gong M. Toward the Elimination of Malaria in China: A Retrospective Analysis of Malaria-Endemic Characteristics and Prevention Effects in Yantai, Shandong Province, 1951 to 2017. Vector Borne Zoonotic Dis 2020; 20:197-204. [PMID: 31660782 PMCID: PMC7074888 DOI: 10.1089/vbz.2019.2504] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Objectives: To study the epidemiological characteristics of malaria and the effects of comprehensive malaria control implementation in Yantai, as well as to provide a scientific basis for future malaria elimination. Materials and Methods: A retrospective analysis was conducted to explore the epidemiological changes and prevention effects in Yantai from 1951 to 2017. The malaria data before 2004 were collected from paper-based annual reports, and data after 2004 came from the Infectious Diseases Information Reporting Management System. Results: A total of 81,286 malaria cases were identified in Yantai from 1957 to 2017, with two peaks occurring in 1966 (120.93/100,000) and 1970-1972 (366.12/100,000). From 1951 to 2003, the case classification was mainly Plasmodium vivax (99.80%); the first case attributed to Plasmodium falciparum occurred in 2004, and P. falciparum became the main cause of malaria after 2011. All cases reported since 2010 have been imported cases, and the last indigenous case was caused by P. vivax in 2008. A total of 129 imported cases were reported from 2010 to 2017, most of which originated in Africa (93.80%), mainly in men aged 30-49 years (68.28%). From 1951 to 1973, 73,868 cases of malaria were diagnosed with clinical symptoms, and from 1974 to 2017, 818,943 cases in fever patients were diagnosed with blood tests. Conclusions: To achieve the goal of eliminating malaria by 2020, Yantai should continue to strengthen the management of migrant population, including improving malaria surveillance for returnees and immigrants from overseas endemic areas, and continue to increase the training of medical personnel to improve their diagnostic ability.
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Affiliation(s)
- Xiao Song
- School of Medicine and Life Sciences, University of Jinan-Shandong Academy of Medical Sciences, Jinan, China
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Yang Wang
- School of Medicine and Life Sciences, University of Jinan-Shandong Academy of Medical Sciences, Jinan, China
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Xiangli Kong
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Haifang Wang
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Xiaodan Huang
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Hongmei Liu
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Lijuan Liu
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Xiuxia Guo
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Chongxing Zhang
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Yuqiang Zhao
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Jingxuan Kou
- School of Medicine and Life Sciences, University of Jinan-Shandong Academy of Medical Sciences, Jinan, China
| | - Huaiwei Wang
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Peng Cheng
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
| | - Maoqing Gong
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, China
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Zhang D, Wang Y, He K, Yang Q, Gong M, Ji M, Chen L. Wolbachia limits pathogen infections through induction of host innate immune responses. PLoS One 2020; 15:e0226736. [PMID: 32078642 PMCID: PMC7032688 DOI: 10.1371/journal.pone.0226736] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Accepted: 12/03/2019] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Wolbachia has been reported to suppress a variety of pathogen infections in mosquitoes, but the mechanism is undefined. Two possibilities have been proposed. One is that Wolbachia activates host immune responses, and the other one is that Wolbachia competes with pathogens for limited nutrients. METHODOLOGY/PRINCIPAL FINDINGS In this study, we compared host immune responses and the densities of two different strains of Wolbachia in naturally occurring parental and artificially created hybrid host genetic backgrounds. No significant difference in Wolbachia density was found between these hosts. We found that Wolbachia could activate host innate immune responses when the host genetic profile was different from that of its natural host. When these hosts were challenged with pathogenic bacteria, mosquitoes in new host-Wolbachia symbioses had a higher survival rate than in old host-Wolbachia symbioses. CONCLUSIONS/SIGNIFICANCE The presence of Wolbachia per se does not necessarily affect pathogen infections, suggesting that a competition for limited nutrients is not the main reason for Wolbachia-mediated pathogen suppression. Instead, host immune responses are responsible for it. The elucidation of an immunity nature of PI is important to guide future practice: Wolbachia may be genetically engineered to be more immunogenic, it is desired to search and isolate more strains of Wolbachia, and test more host-Wolbachia symbioses for future applications. Our results also suggest Wolbachia-based PI may be applied to naturally Wolbachia-infected mosquito populations, and extend to the control of a broader range of mosquito-borne diseases.
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Affiliation(s)
- Donghui Zhang
- School of International Education, Nanjing Medical University, Nanjing, Jiangsu, China
- Jiangsu Province Key Laboratory of Modern Pathogen Biology, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Yingfan Wang
- Program of “5+3” Integrative Clinical Medicine, School of Basic Medical Sciences, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Kun He
- Program of Medical Imaging, School of Medical Imaging, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Qinggui Yang
- Jiangsu International Travel Healthcare Center, Nanjing, Jiangsu, China
| | - Maoqing Gong
- Shandong Academy of Medical Sciences, Shandong Institute of Parasitic Disease Prevention and Control, Jining, Shandong, China
| | - Minjun Ji
- Jiangsu Province Key Laboratory of Modern Pathogen Biology, Nanjing Medical University, Nanjing, Jiangsu, China
- Department of Pathogen Biology, Nanjing Medical University, Nanjing, Jiangsu, China
- Key Laboratory of Infectious Diseases, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Lin Chen
- Jiangsu Province Key Laboratory of Modern Pathogen Biology, Nanjing Medical University, Nanjing, Jiangsu, China
- Department of Pathogen Biology, Nanjing Medical University, Nanjing, Jiangsu, China
- Key Laboratory of Infectious Diseases, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu, China
- * E-mail:
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Cheng P, Yang L, Huang X, Wang X, Gong M. Chalcone hybrids and their antimalarial activity. Arch Pharm (Weinheim) 2020; 353:e1900350. [PMID: 32003489 DOI: 10.1002/ardp.201900350] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2019] [Revised: 01/08/2020] [Accepted: 01/09/2020] [Indexed: 02/06/2023]
Abstract
Malaria, one of the most striking, re-emerging infectious diseases caused by the genus Plasmodium, places a huge burden on global healthcare systems. A major challenge in the control and eradication of malaria is the continuous emergence of increasingly widespread drug-resistant malaria, creating an urgent need to develop novel antimalarial agents. Chalcone derivatives are ubiquitous in nature and have become indispensable units in medicinal chemistry applications due to their diverse biological profiles. Many chalcone derivatives demonstrate potential in vitro and in vivo antimalarial activity, so chalcone could be a useful template for the development of novel antimalarial agents. This review covers the recent development of chalcone hybrids as antimalarial agents. The critical aspects of the design and structure-activity relationship of these compounds are also discussed.
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Affiliation(s)
- Peng Cheng
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong, China
| | - Linlin Yang
- Department of Vector Biological Control, Jining Municipal Center for Disease Control and Prevention, Jining, Shandong, China
| | - Xiaodan Huang
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong, China
| | - Xuejun Wang
- Shandong Provincial Key Laboratory of Infectious Disease Control and Prevention, Shandong Center for Disease Control and Prevention, Jinan, China
| | - Maoqing Gong
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong, China
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Liu H, Liu L, Cheng P, Yang L, Chen J, Lu Y, Wang H, Chen XG, Gong M. Bionomics and insecticide resistance of Aedes albopictus in Shandong, a high latitude and high-risk dengue transmission area in China. Parasit Vectors 2020; 13:11. [PMID: 31918753 PMCID: PMC6953264 DOI: 10.1186/s13071-020-3880-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2019] [Accepted: 01/01/2020] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND Dengue fever outbreaks tend to spread northward in China, and Jining is the northernmost region where local dengue fever cases have been detected. Therefore, it is important to investigate the density of Aedes albopictus and its resistance to deltamethrin. METHODS The Breteau index (BI) and container index (CI) were calculated to assess the larval density of Ae. albopictus and human-baited double net trap (HDN) surveillance was performed in six subordinate counties (Rencheng, Yanzhou, Sishui, Liangshan, Zoucheng and Jiaxiang) of Jining City in 2017 and 2018. The resistance of Ae. albopictus adults to deltamethrin was evaluated using the World Health Organization (WHO) standard resistance bioassay. The mutations at Vgsc codons 1532 and 1534 were also analysed to determine the association between kdr mutations and phenotypic resistance in adult mosquitoes. RESULTS The average BI, CI and biting rate at Jining were 45.30, 16.02 and 1.97 (female /man/hour) in 2017 and 15.95, 7.86 and 0.59 f/m/h in 2018, respectively. In August 26, 2017, when the first dengue fever case was diagnosed, the BI at Qianli village in Jiaxiang County was 107.27. The application of prevention and control measures by the government sharply decreased the BI to a value of 4.95 in September 3, 2017. The mortality of field-collected Ae. albopictus females from Jiaxiang was 41.98%. I1532T, F1534L and F1534S mutations were found in domain III of the Vgsc gene. This study provides the first demonstration that both I1532T and F1534S mutations are positively correlated with the deltamethrin-resistant phenotype. CONCLUSIONS Mosquito density surveillance, resistance monitoring and risk assessment should be strengthened in areas at risk for dengue to ensure the sustainable control of Ae. albopictus and thus the prevention and control of dengue transmission.
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Affiliation(s)
- Hongmei Liu
- Department of Pathogen Biology, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, People's Republic of China. .,Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, 272033, Shandong, People's Republic of China.
| | - Luhong Liu
- Jining Center for Disease Control and Prevention, Jining, 272033, Shandong, People's Republic of China
| | - Peng Cheng
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, 272033, Shandong, People's Republic of China
| | - Linlin Yang
- Jining Center for Disease Control and Prevention, Jining, 272033, Shandong, People's Republic of China
| | - Junhu Chen
- Guangdong Provincial Institute of Biological Products and Materia Medica, Guangzhou, 510440, People's Republic of China
| | - Yao Lu
- Jining Center for Disease Control and Prevention, Jining, 272033, Shandong, People's Republic of China
| | - Haifang Wang
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, 272033, Shandong, People's Republic of China
| | - Xiao-Guang Chen
- Department of Pathogen Biology, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, People's Republic of China.
| | - Maoqing Gong
- Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, 272033, Shandong, People's Republic of China.
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Liu T, He J, Gong M, Luo C, Zhao Y, Li G, Tse G. P5438Cardiac abnormalities after induction of endoplasmic reticulum stress are associated with mitochondrial dysfunction and connexin43 expression. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz746.0394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
The endoplasmic reticulum (ER) is responsible for protein synthesis and calcium storage. ER stress, reflected by protein unfolding and calcium handling abnormalities, has been studied as a pathogenetic factor in cardiovascular diseases.
Purpose
The aim of this study is to examine the effects of ER stress on mechanical and electrophysiological functions in the heart and explore the underlying molecular mechanisms.
Methods
A total of 30 rats were randomly divided into control, ER stress induction (tunicamycin) and ER stress inhibition (4-phenylbutyric acid, 4-PBA) groups.
Results
ER stress induction led to significantly systolic and diastolic dysfunction as reflected by maximal increasing/decreasing rate of left intraventricular pressure (±dp/dt), LV peak systolic pressure, LV development pressure and LV end-diastolic pressure. Epicardial electrical mapping performed in vivo revealed reduced conduction velocity, increased conduction heterogeneity and spontaneous ventricular tachycardia. Masson's trichrome staining revealed marked fibrosis in the myocardial interstitium and sub-pericardium and thickened epicardium. Western blot analysis revealed increased pro-fibrotic factor TGF-β1, decreased mitochondrial biogenesis protein PGC-1a, decreased mitochondrial fusion protein MFN2. These changes were associated with decreased mitochondrial membrane potential (MMP) and connexin 43 translocation to mitochondria. These abnormalities can be partially prevented by the ER stress inhibitor 4-PBA.
Conclusions
Our study shows that ER stress induction can produce cardiac electrical and mechanism dysfunction as well as structural remodeling. Mitochondrial function alterations are contributed by CX43 transposition to mitochondria. These abnormalities can be partially prevented by the ER stress inhibitor 4-PBA.
Acknowledgement/Funding
National Natural Science Foundation of China (No. 81570298 to T.L.)
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Affiliation(s)
- T Liu
- 2nd Hospital of Tianjin Medical University, Tianjin, China
| | - J He
- 2nd Hospital of Tianjin Medical University, Tianjin, China
| | - M Gong
- 2nd Hospital of Tianjin Medical University, Tianjin, China
| | - C Luo
- Southwest Medical University, Laboratory of Medical Electrophysiology, Institute of Cardiovascular Research, Luzhou, China
| | - Y Zhao
- Tianjin University of Sport, Health and Exercise Science, Tianjin, China
| | - G Li
- 2nd Hospital of Tianjin Medical University, Tianjin, China
| | - G Tse
- The Chinese University of Hong Kong, Medicine and Therapeutics, Hong Kong, Hong Kong
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Liu T, Zhang Z, Zhang X, Meng L, Gong M, Li J, Qiu J, Suo Y, Liang X, Wang X, Jiang N, Tse G, Li G, Zhao Y. P1890Pioglitazone inhibits diabetes-induced atrial mitochondrial oxidative stress and improves mitochondrial biogenesis, dynamics and function through the PGC-1 signaling pathway. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz748.0638] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Oxidative stress contributes to adverse atrial remodeling in diabetes mellitus. This can be prevented by the PPAR-γ agonist pioglitazone through its anti-oxidant and anti-inflammatory effects.
Purpose
In this study, the molecular mechanisms underlying these effects were investigated.
Methods
Rabbits were randomly divided into control (C), diabetic (DM), and pioglitazone-treated DM (Pio) groups. Echocardiographic, hemodynamic, electrophysiological, intracellular Ca2+ properties were measured. Serum PPAR-γ levels, serum and tissue oxidative stress and inflammatory markers, mitochondrial morphology, reactive oxygen species (ROS) production rate, respiratory function, and mitochondrial membrane potential (MMP) levels were measured. Protein expression of pro-fibrotic marker transforming growth factor β1 (TGF-β1), and the mitochondrial proteins (PGC-1α, fission and fusion-related proteins) were measured.
Results
Compared with controls, the DM group demonstrated larger left atrial diameter and fibrosis area associated with a higher incidence of inducible AF. Lower serum PPAR-γ level was associated with lower PGC-1α, higher NF-κB and higher TGF-β1 expression. Mn-SOD protein was not different but lower mitochondrial fission- and fusion-related proteins were detected. Mitochondrial swelling, higher mitochondrial ROS, lower respiratory control rate, lower MMP and higher intracellular Ca2+ transients were observed. In the Pio group, reversal of structural remodeling and lower inducible AF incidence were associated with higher PPAR-γ and PGC-1α. NF-κB and TGF-β1 were lower and biogenesis, fission and fusion-related protein were higher. Mitochondrial structure and function, and intracellular Ca2+ transients were improved. In HL-1 cell line, transfected with PGC-1α siRNA blunted the effect of pioglitazone on Mn-SOD protein expression and MMP collapse in H2O2-treated cells.
Conclusion
Diabetes mellitus induces adverse atrial structural and electrophysiological remodeling, abnormal Ca2+ handling and mitochondrial damage and dysfunction. Pioglitazone prevented these abnormalities through the PPAR-γ/PGC-1α pathway.
Acknowledgement/Funding
National Natural Science Foundation of China (No 81570298, 81270245, 30900618 to T.L.)
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Affiliation(s)
- T Liu
- 2nd Hospital of Tianjin Medical University, Tianjin, China
| | - Z Zhang
- 2nd Hospital of Tianjin Medical University, Tianjin, China
| | - X Zhang
- 2nd Hospital of Tianjin Medical University, Tianjin, China
| | - L Meng
- 2nd Hospital of Tianjin Medical University, Tianjin, China
| | - M Gong
- 2nd Hospital of Tianjin Medical University, Tianjin, China
| | - J Li
- 2nd Hospital of Tianjin Medical University, Tianjin, China
| | - J Qiu
- 2nd Hospital of Tianjin Medical University, Tianjin, China
| | - Y Suo
- 2nd Hospital of Tianjin Medical University, Tianjin, China
| | - X Liang
- 2nd Hospital of Tianjin Medical University, Tianjin, China
| | - X Wang
- 2nd Hospital of Tianjin Medical University, Tianjin, China
| | - N Jiang
- Tianjin University of Sport, Health and Exercise Science, Tianjin, China
| | - G Tse
- The Chinese University of Hong Kong, Medicine and Therapeutics, Hong Kong, Hong Kong
| | - G Li
- 2nd Hospital of Tianjin Medical University, Tianjin, China
| | - Y Zhao
- Tianjin University of Sport, Health and Exercise Science, Tianjin, China
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Li KH, Sang T, Chan CP, Gong M, Li G, Liu T, Wu WKK, Chan M, Tse G, Xia Y, Ho J. P2838The impact of anesthesia depth on catheter ablation for atrial fibrillation: a systematic review and meta-analysis of observational studies. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz748.1148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Objectives
This meta-analysis and systematic review seeks to compare both characteristic parameters and procedural outcomes of catheter ablation in patients under GA/deep sedation and mild/moderate sedation.
Background
Catheter ablation has become a widely applied intervention for treating symptomatic AF and arrhythmias that are refractory to medical therapy. It can be conducted through from mild sedation to general anesthesia.
Methods
PubMed and Embase were searched up to July 2018 for randomized controlled trials, cohort and observational studies that assessed the outcomes of catheter ablation under GA/deep sedation or mild/moderate sedation. 12 studies were included in this meta-analysis after screening with the inclusion and exclusion criteria. Heterogeneity between studies and publication bias was evaluated by I2 index and Egger's regression, respectively.
Results
Our meta-analysis found catheter AF ablation with GA/deep sedation to be associated with reduced risk of recurrence (RR: 0.79, 95% CI: 0.56 to 1.13, P=0.20) and complications (RR: 0.95, 95% CI: 0.64 to 1.42, P=0.82), though statistically insignificant. In terms of procedural parameters, there was non-significant difference between the two groups when both procedural time (SMD: −0.13, 95% CI: −0.90 to 0.63, P=0.74) and fluoroscopy time (SMD: −0.41, 95% CI: −1.40 to 0.58, P=0.41) were considered. Multivariate meta-regression demonstrated hypertension as an independent moderating factor for complication risk.
Complications Comparison
Conclusion
Apart from an increased likelihood of procedural success, ablation by GA/deep sedation was found to be non-significantly different from the mild/moderate sedation approach in both procedural parameters and outcome measures.
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Affiliation(s)
- K H Li
- Newcastle University, Newcastle upon Tyne, United Kingdom
| | - T Sang
- University of Toronto, Toronto, Canada
| | - C P Chan
- University of Manchester, Manchester, United Kingdom
| | - M Gong
- 2nd Hospital of Tianjin Medical University, Cardiology, Tianjin, China
| | - G Li
- 2nd Hospital of Tianjin Medical University, Cardiology, Tianjin, China
| | - T Liu
- 2nd Hospital of Tianjin Medical University, Cardiology, Tianjin, China
| | - W K K Wu
- The Chinese University of Hong Kong, Shatin, Hong Kong
| | - M Chan
- The Chinese University of Hong Kong, Shatin, Hong Kong
| | - G Tse
- The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Y Xia
- The Chinese University of Hong Kong, Shatin, Hong Kong
| | - J Ho
- The Chinese University of Hong Kong, Shatin, Hong Kong
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Gong M. Identification of Key Genes and Pathways Associated with Tumor Immune Microenvironment during the Chemoradiotherapy of Cervical Cancer Using Bioinformatics Analysis. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.1016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Shi Q, Song X, Lv Y, Huang X, Kou J, Wang HW, Zhang H, Cheng P, Gong M. Potential Risks Associated with Japanese Encephalitis Prevalence in Shandong Province, China. Vector Borne Zoonotic Dis 2019; 19:640-645. [PMID: 31084528 PMCID: PMC6685193 DOI: 10.1089/vbz.2018.2416] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
Japanese encephalitis (JE), which is caused by the Japanese encephalitis virus (JEV), is a zoonotic, vector-borne neurotropic disease that remains a major cause of viral encephalitis in Asia. JEV is spread to humans through mosquitoes, and its primary transmission vector is Culex tritaeniorhynchus. Mosquitoes were sampled from three collection sites: Hanzhuang town in Weishan County, Taibai Lake in Jining city, and Dongping Lake in Shandong Province, China. Pyrethroid insecticide resistance bioassays were conducted using adult mosquitoes. Cx. tritaeniorhynchus and C. pipiens pallens populations in Hanzhuang town and Dongping Lake showed resistance to pyrethroid insecticides, and populations in Taibai Lake showed incipient resistance. Coquillettidia ochracea populations in Hanzhuang town presented resistance as well, while in Taibai Lake, resistance was incipient. A total of 16,711 mosquitoes were collected, identified, and divided into 346 pools for JEV testing. Cx. tritaeniorhynchus had the advantage of being a local mosquito species. Overall, 31 (22.96) of the 135 pools of Cx. Tritaeniorhynchus were positive for JEV. The overall maximum likelihood estimates of Cx. tritaeniorhynchus, C. pipiens pallens, and Cq. ochracea indicated pooled infection rates of 5.29/1000 mosquitoes (95% confidence interval [CI] = 3.67-7.42), 1.60/1000 mosquitoes (95% CI = 0.82-2.85), and 6.39/1000 mosquitoes (95% CI = 0.39-32.23), respectively. There were no significant differences in the pooled infection rates between the districts. The resistance to pyrethroids has increased the difficulty in controlling the mosquito vectors, especially JEV-positive mosquitoes. Given the changes in the JEV transmission vectors, the spatial and temporal diversity and the dynamic variety of mosquito species, insecticide resistance and global warming have the potential to facilitate the transmission of JE to humans.
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Affiliation(s)
- Qiqi Shi
- Shandong Institute of Parasitic Diseases, Shandong Academy of Medical Sciences, Jining, China
- National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Key Laboratory of Parasite and Vector Biology, MOH, National Center for International Research on Tropical Diseases, WHO Collaborating Centre for Tropical Diseases, Shanghai, China
| | - Xiao Song
- Shandong Institute of Parasitic Diseases, Shandong Academy of Medical Sciences, Jining, China
| | - Yeyuan Lv
- Shandong Institute of Parasitic Diseases, Shandong Academy of Medical Sciences, Jining, China
| | - Xiaodan Huang
- Shandong Institute of Parasitic Diseases, Shandong Academy of Medical Sciences, Jining, China
| | - Jingxuan Kou
- Shandong Institute of Parasitic Diseases, Shandong Academy of Medical Sciences, Jining, China
| | - Huai Wei Wang
- Shandong Institute of Parasitic Diseases, Shandong Academy of Medical Sciences, Jining, China
| | - Haobing Zhang
- National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Key Laboratory of Parasite and Vector Biology, MOH, National Center for International Research on Tropical Diseases, WHO Collaborating Centre for Tropical Diseases, Shanghai, China
| | - Peng Cheng
- Shandong Institute of Parasitic Diseases, Shandong Academy of Medical Sciences, Jining, China
| | - Maoqing Gong
- Shandong Institute of Parasitic Diseases, Shandong Academy of Medical Sciences, Jining, China
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Huang X, Wang Z, Kou J, Liu H, Mao D, Yu Z, Liu X, Cheng P, Gong M. A Large Cohort of Neurocysticercosis in Shandong Province, Eastern China, 1997-2015. Vector Borne Zoonotic Dis 2019; 19:901-907. [PMID: 31314709 PMCID: PMC6882449 DOI: 10.1089/vbz.2019.2447] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Neurocysticercosis (NCC) has a wide spectrum of neurologic and psychiatric manifestations, including epileptic seizures, high intracranial pressure, cognitive dysfunction, and meningoencephalitis. This study presents the clinical diagnosis of 2539 NCC patients in Shandong Province, Eastern China, from 1997 to 2015. The diagnosis was based primarily on clinical features, neuroimaging, immunology, and electroencephalogramy studies. In all age groups, seizures were found to be the most common manifestation, followed by headaches, memory loss, and limb numbness, and disability. After antiparasitic treatment, computed tomography and magnetic resonance imaging showed that most of the lesions had been completely absorbed in 2106 (82.95%) patients, most of the lesions had been absorbed and a small proportion was converted into calcifications in 433 (17.05%) cases. Indirect hemagglutination (IHA), enzyme-linked immunosorbent assay (ELISA), and circulating antigen (CAg) serum tests initially gave 76.45%, 86.37%, and 80.66% positive results, respectively. After antiparasitic therapy, the positive rates of the IHA, ELISA, and CAg tests were 74.77%, 84.70%, and 3.75%, respectively, showing no significant difference in antibody levels (p > 0.05), but a significant difference in CAg levels (p < 0.01). The clinical antiparasitic treatment of NCC with three to four courses of a combination of albendazole and praziquantel achieved satisfactory therapeutic efficacy.
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Affiliation(s)
- Xiaodan Huang
- World Health Organization Collaborating Centre for Lymphatic Filariasis and Taeniasis/Cysticercosis, Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong Province, China
| | - Zhonglei Wang
- World Health Organization Collaborating Centre for Lymphatic Filariasis and Taeniasis/Cysticercosis, Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong Province, China
| | - Jingxuan Kou
- World Health Organization Collaborating Centre for Lymphatic Filariasis and Taeniasis/Cysticercosis, Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong Province, China
| | - Hongmei Liu
- World Health Organization Collaborating Centre for Lymphatic Filariasis and Taeniasis/Cysticercosis, Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong Province, China
| | - Dehua Mao
- World Health Organization Collaborating Centre for Lymphatic Filariasis and Taeniasis/Cysticercosis, Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong Province, China
| | - Zhenhua Yu
- World Health Organization Collaborating Centre for Lymphatic Filariasis and Taeniasis/Cysticercosis, Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong Province, China
| | - Xin Liu
- World Health Organization Collaborating Centre for Lymphatic Filariasis and Taeniasis/Cysticercosis, Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong Province, China
| | - Peng Cheng
- World Health Organization Collaborating Centre for Lymphatic Filariasis and Taeniasis/Cysticercosis, Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong Province, China
| | - Maoqing Gong
- World Health Organization Collaborating Centre for Lymphatic Filariasis and Taeniasis/Cysticercosis, Shandong Institute of Parasitic Diseases, Shandong First Medical University & Shandong Academy of Medical Sciences, Jining, Shandong Province, China
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Liu H, Xie L, Cheng P, Xu J, Huang X, Wang H, Song X, Liu L, Wang H, Kou J, Yan G, Chen XG, Gong M. Trends in insecticide resistance in Culex pipiens pallens over 20 years in Shandong, China. Parasit Vectors 2019; 12:167. [PMID: 30975185 PMCID: PMC6460514 DOI: 10.1186/s13071-019-3416-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Accepted: 03/27/2019] [Indexed: 11/15/2022] Open
Abstract
Background Culex pipiens pallens is the most abundant Culex mosquito species in northern China and is an important vector of bancroftian filariasis and, potentially, West Nile virus. Insecticides, particularly pyrethroids, are widely used for adult mosquito control. Insecticide resistance has become common in several mosquito species, and vector control is the main method currently available to prevent disease transmission. The voltage-gated sodium channel (Vgsc) gene is the target site of pyrethroids, and mutations in this gene cause knockdown resistance (kdr). Methods Culex pipiens pallens larvae were collected from May to November over two decades, from 1992 to 2018, in four cities in Shandong Province, China. The World Health Organization (WHO) standard resistance bioassay was applied to test the resistance levels of Cx. p. pallens larvae to five different insecticides and to test deltamethrin resistance in adults, using the F1 generation. Mutations at Vgsc codon 1014 were also screened in 471 adult samples collected in 2014 to determine the association between kdr mutations and phenotypic resistance. Results Larval resistance against deltamethrin showed an increasing trend from the 1990s until 2018, which was statistically significant in all populations; resistance to cypermethrin increased significantly in mosquitoes from the Zaozhuang population. However, larval resistance to other insecticides remained relatively stable. Larval resistance against deltamethrin was consistent with adult bioassays in 2014, in which all tested populations were highly resistant, with mortality rates ranging from 39.4 to 55.23%. The L1014S and L1014F mutations were both observed in five Cx. p. pallens populations, with L1014F significantly associated with deltamethrin resistance. Conclusions The long-term dataset from Shandong demonstrates major increases in pyrethroid resistance over a 20-year period. The L1014F kdr mutation may be considered a viable molecular marker for monitoring pyrethroid resistance in Cx. p. pallens. Electronic supplementary material The online version of this article (10.1186/s13071-019-3416-9) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Hongmei Liu
- Department of Medical Entomology, Shandong Academy of Medical Sciences, Shandong Institute of Parasitic Diseases, Jining, 272033, Shandong, People's Republic of China.
| | - Lihua Xie
- Department of Pathogen Biology, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, People's Republic of China
| | - Peng Cheng
- Department of Medical Entomology, Shandong Academy of Medical Sciences, Shandong Institute of Parasitic Diseases, Jining, 272033, Shandong, People's Republic of China
| | - Jiabao Xu
- Department of Pathogen Biology, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, People's Republic of China
| | - Xiaodan Huang
- Department of Medical Entomology, Shandong Academy of Medical Sciences, Shandong Institute of Parasitic Diseases, Jining, 272033, Shandong, People's Republic of China
| | - Haifang Wang
- Department of Medical Entomology, Shandong Academy of Medical Sciences, Shandong Institute of Parasitic Diseases, Jining, 272033, Shandong, People's Republic of China
| | - Xiao Song
- Department of Medical Entomology, Shandong Academy of Medical Sciences, Shandong Institute of Parasitic Diseases, Jining, 272033, Shandong, People's Republic of China
| | - Lijuan Liu
- Department of Medical Entomology, Shandong Academy of Medical Sciences, Shandong Institute of Parasitic Diseases, Jining, 272033, Shandong, People's Republic of China
| | - Huaiwei Wang
- Department of Medical Entomology, Shandong Academy of Medical Sciences, Shandong Institute of Parasitic Diseases, Jining, 272033, Shandong, People's Republic of China
| | - Jingxuan Kou
- Department of Medical Entomology, Shandong Academy of Medical Sciences, Shandong Institute of Parasitic Diseases, Jining, 272033, Shandong, People's Republic of China
| | - Guiyun Yan
- Program in Public Health, University of California, Irvine, CA, USA
| | - Xiao-Guang Chen
- Department of Pathogen Biology, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, People's Republic of China.
| | - Maoqing Gong
- Department of Medical Entomology, Shandong Academy of Medical Sciences, Shandong Institute of Parasitic Diseases, Jining, 272033, Shandong, People's Republic of China.
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Li K, Ho J, Recaldin B, Gong M, Ho J, Li G, Liu T, Wu W, Wong M, Xia Y, Dong M, Tse G. WITHDRAWN: Acute Cellular Rejection and Infection Rates in Alemtuzumab vs Traditional Induction Therapy Agents for Lung and Heart Transplantation: A Systematic Review and Meta-analysis. Transplant Proc 2018; 50:3739-3747. [PMID: 30577265 DOI: 10.1016/j.transproceed.2018.08.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Accepted: 08/16/2018] [Indexed: 11/16/2022]
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Zhang C, Shi G, Cheng P, Liu L, Gong M. Host preferences and feeding patterns of Anopheles sinensis Wiedemann in three sites of Shandong province, China. J Vector Borne Dis 2018; 54:328-333. [PMID: 29460862 DOI: 10.4103/0972-9062.225837] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Background & objectives Anopheles sinensis Wiedemann is a major vector of malaria and is among the dominant species in Shandong province of China. Knowledge of the blood-feeding patterns of mosquitoes is crucial for elimination of malaria vectors. However, little information is available on the blood-feeding behaviour of An. sinensis mosquitoes in Shandong province. This study was carried out to compare the blood-feeding behaviour of An. sinensis in malaria-endemic areas of Shandong province China. Methods Adult Anopheles mosquitoes were collected from three malaria-endemic areas (Jimo, Yinan and Shanxian), during the peak months of mosquito population (August and September) from 2014 to 2015. Indoor-resting mosquitoes and outdoor-resting blood-fed females were sampled in the morning hours (0600 to 0900 hrs) from 10 randomly selected houses using pyrethrum spray catch method, and sweeping with an insect net. ELISA was used for the identification of blood meal. The blood meal of each mosquito was tested against antisera specific to human, pig, dog, cow, goat, horse (mule) and fowl. Results At all indoor study locations of Jimo, Yinan and Shanxian, 59.4, 68.1 and 98.8% blood-engorged female An. sinensis collected from cattle sheds fed almost exclusively on bovines, respectively. For outdoor locations, at Jimo site, 27.27 and 49.55% An. sinensis fed on cattle and pigs; at Yinan, 30.42% fed on cattle and 36.88% fed both on cattle and goats, while no pig antibodies were detected. At Shanxian, percent of An. sinensis that fed on cattle, pigs and cattle-goat was 20.72, 27.62 and 21.78%, respectively. Interpretation & conclusion The analysis of An. sinensis blood meals in all the three studied areas from human houses, cattle sheds, pig sheds and mixed dwellings revealed that An. sinensis prefers cattle hosts, and can feed on other available animal hosts if the cattle hosts are absent, and the mosquitoes readily feed on humans when domestic animals (cattle and pigs) are not nearby for feeding. The analysis of blood meal revealed that An. sinensis follow opportunistic feeding in Shandong province, China.
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Affiliation(s)
- Chongxing Zhang
- Department of Medical Entomology, Vector Biology Key Laboratory of Medicine and Health Shandong Province, Shandong Institute of Parasitic Diseases, Shandong Academy of Medical Sciences, Jining; Collaborative Innovation Center for the Origin and Control of Emerging Infectious Diseases, Taishan Medical University, Taian, Shandong, China
| | - Guihong Shi
- Department of Medical Entomology, Vector Biology Key Laboratory of Medicine and Health Shandong Province, Shandong Institute of Parasitic Diseases, Shandong Academy of Medical Sciences, Jining, China
| | - Peng Cheng
- Department of Medical Entomology, Vector Biology Key Laboratory of Medicine and Health Shandong Province, Shandong Institute of Parasitic Diseases, Shandong Academy of Medical Sciences, Jining, China
| | - Lijuan Liu
- Department of Medical Entomology, Vector Biology Key Laboratory of Medicine and Health Shandong Province, Shandong Institute of Parasitic Diseases, Shandong Academy of Medical Sciences, Jining, China
| | - Maoqing Gong
- Department of Medical Entomology, Vector Biology Key Laboratory of Medicine and Health Shandong Province, Shandong Institute of Parasitic Diseases, Shandong Academy of Medical Sciences, Jining, China
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Liu H, Liu L, Cheng P, Huang X, Gong M. An odorant receptor from Anopheles sinensis in China is sensitive to oviposition attractants. Malar J 2018; 17:348. [PMID: 30290802 PMCID: PMC6173891 DOI: 10.1186/s12936-018-2501-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Accepted: 10/01/2018] [Indexed: 01/01/2023] Open
Abstract
Background Anopheles sinensis is an important vector for the spread of malaria in China. Olfactory-related behaviours, particularly oviposition site seeking, offer opportunities for disrupting the disease-transmission process. Results This is the first report of the identification and characterization of AsinOrco and AsinOR10 in An. sinensis. AsinOrco and AsinOR10 share 97.49% and 90.37% amino acid sequence identity, respectively, with related sequences in Anopheles gambiae. A functional analysis demonstrated that AsinOrco- and AsinOR10-coexpressing HEK293 cells were highly sensitive to 3-methylindole, but showed no significant differences in response to other test odorants when compared to DMSO. Conclusions AsinOrco was characterized as a new member of the Orco ortholog subfamily. AsinOR10, which appears to be a member of the OR2-10 subfamily, is directly involved in identification of oviposition sites. This finding will help to elucidate the molecular mechanisms underlying olfactory signaling in An. sinensis and provide many more molecular targets for eco-friendly pest control. Electronic supplementary material The online version of this article (10.1186/s12936-018-2501-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Hongmei Liu
- Department of Medical Entomology, Shandong Institute of Parasitic Diseases, Shandong Academy of Medical Sciences, Jining, 272033, Shandong, People's Republic of China.
| | - Luhong Liu
- Jining Center for Disease Control and Prevention, Jining, 272033, Shandong, People's Republic of China
| | - Peng Cheng
- Department of Medical Entomology, Shandong Institute of Parasitic Diseases, Shandong Academy of Medical Sciences, Jining, 272033, Shandong, People's Republic of China
| | - Xiaodan Huang
- Department of Medical Entomology, Shandong Institute of Parasitic Diseases, Shandong Academy of Medical Sciences, Jining, 272033, Shandong, People's Republic of China
| | - Maoqing Gong
- Department of Medical Entomology, Shandong Institute of Parasitic Diseases, Shandong Academy of Medical Sciences, Jining, 272033, Shandong, People's Republic of China.
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Li KHC, Ho JCS, Recaldin B, Gong M, Ho J, Li G, Liu T, Wu WKK, Wong MCS, Xia Y, Dong M, Tse G. Acute Cellular Rejection and Infection Rates in Alemtuzumab vs Traditional Induction Therapy Agents for Lung and Heart Transplantation: A Systematic Review and Meta-analysis. Transplant Proc 2018; 50:3723-3731. [PMID: 30577263 DOI: 10.1016/j.transproceed.2018.08.044] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Revised: 08/14/2018] [Accepted: 08/29/2018] [Indexed: 12/15/2022]
Abstract
BACKGROUND AND OBJECTIVES Heart and lung transplantation is a high-risk procedure requiring intensive immunosuppressive therapy for preventing organ rejection. Alemtuzumab, a CD52-specific monoclonal antibody, is increasingly used for induction therapy compared with conventional agents. However, there has been no systematic review comparing its efficacy with traditional therapeutic drugs. METHODS PubMed and EMBASE were searched to October 1, 2017, for articles on alemtuzumab in cardiothoracic transplant surgery. Of the 433 studies retrieved, 8 were included in the final meta-analysis. RESULTS In lung transplantation, alemtuzumab use was associated with lower odds of acute cellular rejection compared with antithymocyte globulin (odds ratio [OR], 0.21; 95% CI, 0.11-0.40; P < .001), lower acute rejection rates (OR, 0.12; 95% CI, 0.03-0.55; P < .01), and infection rates (OR, 0.69; 95% CI, 0.35-1.36; P = .33) when compared with basiliximab. Multivariate meta-regression analysis found that mean age, male sex, single lung transplant, double lung transplant, cytomegalovirus or Epstein-Barr virus status, idiopathic pulmonary fibrosis, cystic fibrosis, and mean ischemic time did not significantly influence acute rejection outcomes. For heart transplantation, alemtuzumab use was associated with lower acute rejection rates when compared with tacrolimus (OR, 0.44; 95% CI, 0.30-0.66; P < .001). CONCLUSIONS Alemtuzumab use was associated with lower rejection rates when compared with conventional induction therapy agents (antithymocyte globulin, basiliximab, and tacrolimus) in heart and lung transplantation. However, this was based on observational studies. Randomized controlled trials are needed to verify its clinical use.
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Affiliation(s)
- K H C Li
- Faculty of Medicine, Newcastle University, Newcastle Upon Tyne, United Kingdom; Department of Medicine and Therapeutics, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong, China; Li Ka Shing Institute of Health Sciences, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong, China
| | - J C S Ho
- Department of Medicine and Therapeutics, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong, China
| | - B Recaldin
- Faculty of Medicine, Newcastle University, Newcastle Upon Tyne, United Kingdom
| | - M Gong
- Tianjin Key Laboratory of Ionic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of Cardiology, Second Hospital of Tianjin Medical University, Tianjin, China
| | - J Ho
- Department of Anesthesia and Intensive Care, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - G Li
- Tianjin Key Laboratory of Ionic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of Cardiology, Second Hospital of Tianjin Medical University, Tianjin, China
| | - T Liu
- Department of Medicine and Therapeutics, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong, China
| | - W K K Wu
- The Jockey Club School of Public Health and Primary Care, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - M C S Wong
- The Jockey Club School of Public Health and Primary Care, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Y Xia
- Department of Cardiology, First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - M Dong
- Department of Cardiology, Yantai Yuhuangding Hospital Affiliated to Qingdao University, Yantai, Shandong Province, China.
| | - G Tse
- Department of Medicine and Therapeutics, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong, China; Li Ka Shing Institute of Health Sciences, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong, China.
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Tse G, Li CKH, Gong M, Lakhani I, Bazoukis G, Letsas KP, Wu WKK, Wong SH, Li G, Wong MCS, Xia Y, Liu T. P4826Catheter ablation for atrial fibrillation in heart failure patients: a systematic review and meta-analysis of randomized controlled trials. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy563.p4826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- G Tse
- The Chinese University of Hong Kong, Department of Medicine and Therapeutics; Li Ka Shing Institute of Health Sciences, Hong Kong, Hong Kong SAR People's Republic of China
| | - C K H Li
- The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR People's Republic of China
| | - M Gong
- 2nd Hospital of Tianjin Medical University, Tianjin, China People's Republic of
| | - I Lakhani
- The Chinese University of Hong Kong, Department of Medicine and Therapeutics; Li Ka Shing Institute of Health Sciences, Hong Kong, Hong Kong SAR People's Republic of China
| | - G Bazoukis
- Evangelismos General Hospital of Athens, Athens, Greece
| | - K P Letsas
- Evangelismos General Hospital of Athens, Athens, Greece
| | - W K K Wu
- The Chinese University of Hong Kong, Department of Anaesthesia and Intensive Care; Li Ka Shing Institute of Health Sciences, Hong Kong, Hong Kong SAR People's Republic of China
| | - S H Wong
- The Chinese University of Hong Kong, Department of Medicine and Therapeutics; Li Ka Shing Institute of Health Sciences, Hong Kong, Hong Kong SAR People's Republic of China
| | - G Li
- 2nd Hospital of Tianjin Medical University, Tianjin, China People's Republic of
| | - M C S Wong
- The Chinese University of Hong Kong, JC School of Public Health, Hong Kong, Hong Kong SAR People's Republic of China
| | - Y Xia
- First Affiliated Hospital of Dalian Medical University, Dalian, China People's Republic of
| | - T Liu
- 2nd Hospital of Tianjin Medical University, Tianjin, China People's Republic of
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Abstract
Since discovered in 1994, leptin has been thought to be a pleiotropic hormone that regulates food intake, controls energy balance in the body and influences multiple tissues in the body. Leptin plays an important mediating role in the regulation of neuroendocrine and can transmit the nutritional status signals to the reproductive-related central nervous system. Many studies have shown that leptin may play an important role in the control of reproductive function. Leptin can act on all levels of the hypothalamus-pituitary-gonadal (HPG) axis and may have local effects on the function of testis and spermatogenesis. Leptin is critical for puberty initiation and can also modulate testosterone synthesis by downregulating cAMP-dependent activation of steroidogenic genes expressions. Leptin is found to be higher in infertile men than in normal subjects. Yet, the exact role of leptin in the regulation of male reproductive function remains incomplete. The purpose of this review was to summarise the recent research about the biological effects of leptin on male reproductive system. In-depth study of leptin in reproductive system will help to reveal the pathogenesis of infertility and provide new treatment ideas for human assisted reproductive technology.
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Affiliation(s)
- J Zhang
- Department of Urology, Shanghai Pudong Hospital, Fudan University, Shanghai, China
| | - M Gong
- Department of Urology, Shanghai Pudong Hospital, Fudan University, Shanghai, China
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Tse G, Gong M, Wong W, Letsas K, Vassiliou V, To O, Chan Y, Yan B, Li G, Whittaker P, Wu W, Xia Y, Yan G, Lui K, Liu T. P5338Tpeak-Tend/QT ratio for arrhythmic risk stratification: a meta-analysis. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx493.p5338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Liu T, Gong M, Yang Y, Li H, Liang X, Zhang Z, Yuan M, Zhang Y, Jiao Z, Tse G, Li G. P2689Rapamycin attenuates atrial fibrosis in 5/6 nephrectomized rats by inhibiting mTOR and pro-fibrotic signaling. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx502.p2689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Li K, Gong M, Wong W, To O, Chan Y, Yan B, Wong S, Wu W, Liu T, Tse G. P1480Tpeak-Tend for risk stratification in heart failure: a meta-analysis. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx502.p1480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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