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Zhou SF, Huang C, Li SK, Long XL, Chen Y, Zhan ZF, Hu SX, Hu CS, Chen L, Wang SP, Fan LQ, Chen WJ, Gao LD, Zhu WB, Ma XJ. CBPH assay for the highest sensitive detection of SARS-COV-2 in the semen. Clin Chim Acta 2023:117415. [PMID: 37271272 DOI: 10.1016/j.cca.2023.117415] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 05/24/2023] [Accepted: 05/30/2023] [Indexed: 06/06/2023]
Abstract
BACKGROUND Great concerns have been raised on SARS-CoV-2 impact on men's andrological well-being, and many studies have attempted to determine whether SARS-CoV-2 is present in the semen and till now the data are unclear and somehow ambiguous. However, these studies used quantitative real-time (qRT) PCR, which is not sufficiently sensitive to detect nucleic acids in clinical samples with a low viral load. METHODS The clinical performance of various nucleic acid detection methods (qRT-PCR, OSN-qRT-PCR, cd-PCR, and CBPH) was assessed for SARS-CoV-2 using 236 clinical samples from laboratory-confirmed COVID-19 cases. Then, the presence of SARS-CoV-2 in the semen of 12 recovering patients was investigated using qRT-PCR, OSN-qRT-PCR, cd-PCR, and CBPH in parallel using 24 paired semen, blood, throat swab, and urine samples. RESULTS The sensitivity and specificity along with AUC of CBPH was markedly higher than the other 3methods. Although qRT-PCR, OSN-qRT-PCR and cdPCR detected no SARS-CoV-2 RNA in throat swab, blood, urine, and semen samples of the 12 patients, CBPH detected the presence of SARS-CoV-2 genome fragments in semen samples, but not in paired urine samples, of 3 of 12 patients. The existing SARS-CoV-2 genome fragments were metabolized over time. CONCLUSIONS Both OSN-qRT-PCR and cdPCR had better performance than qRT-PCR, and CBPH had the highest diagnostic performance in detecting SARS-CoV-2, which contributed the most improvement to the determination of the critical value in gray area samples with low vrial load, which then provides a rational screening strategy for studying the clearance of coronavirus in the semen over time in patients recovering from COVID-19. Although the presence of SARS-CoV-2 fragments in the semen was demonstrated by CBPH, COVID-19 is unlikely to be sexually transmitted from male partners for at least 3 months after hospital discharge.
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Affiliation(s)
- Shuai-Feng Zhou
- Hunan Provincial Center for Disease Control and Prevention, Changsha, Hunan 410005, China; Department of Parasitology, Xiangya School of Medicine, Central South University, Changsha, Hunan 410005, China
| | - Chuan Huang
- Institute of Reproductive and Stem Cell Engineering, Basic Medicine College, Central South University, Changsha, Hunan 410005,China; Clinical Research Center for Reproduction and Genetics in Hunan Province, Reproductive and Genetic Hospital of CITIC-Xiangya, Changsha, Hunan 410005, China
| | - Shi-Kang Li
- Hunan Provincial Center for Disease Control and Prevention, Changsha, Hunan 410005, China
| | - Xiao-Lei Long
- Hunan Provincial Center for Disease Control and Prevention, Changsha, Hunan 410005, China
| | - Yu Chen
- Hunan Provincial Center for Disease Control and Prevention, Changsha, Hunan 410005, China
| | - Zhi-Fei Zhan
- Hunan Provincial Center for Disease Control and Prevention, Changsha, Hunan 410005, China
| | - Shi-Xiong Hu
- Hunan Provincial Center for Disease Control and Prevention, Changsha, Hunan 410005, China
| | - Chun-Sheng Hu
- Hunan Provincial Center for Disease Control and Prevention, Changsha, Hunan 410005, China
| | - Lu Chen
- Beijing Macroµ-test Bio-Tech Co., Ltd. Beijing 101300, China
| | - Shi-Ping Wang
- Department of Parasitology, Xiangya School of Medicine, Central South University, Changsha, Hunan 410005, China
| | - Li-Qing Fan
- Institute of Reproductive and Stem Cell Engineering, Basic Medicine College, Central South University, Changsha, Hunan 410005,China; Clinical Research Center for Reproduction and Genetics in Hunan Province, Reproductive and Genetic Hospital of CITIC-Xiangya, Changsha, Hunan 410005, China
| | - Wei-Jun Chen
- University of Chinese Academy of Sciences. No.19 Yuquan Road, Shijingshan District, Beijing 100049, China
| | - Li-Dong Gao
- Hunan Provincial Center for Disease Control and Prevention, Changsha, Hunan 410005, China; Hunan New Outbreak Infectious Disease Prevention and Treatment Workstation of Chinese Academy of Medical Sciences Changsha, Hunan 410005, China
| | - Wen-Bing Zhu
- Institute of Reproductive and Stem Cell Engineering, Basic Medicine College, Central South University, Changsha, Hunan 410005,China; Clinical Research Center for Reproduction and Genetics in Hunan Province, Reproductive and Genetic Hospital of CITIC-Xiangya, Changsha, Hunan 410005, China
| | - Xue-Jun Ma
- National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China; Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan 430071, China.
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Li LL, Li XN, Jia FY, Chi MZ, Wen ZH, Yang F, Li YN, Ha LJ, Yang Y, Long XL, Fang SF, Xie L, Zhang HF, Yu X. [Standardization of clinical application of mass spectrometry method for measurement of vitamin D in capillary blood of children: a multicenter study]. Zhonghua Er Ke Za Zhi 2022; 60:1282-1287. [PMID: 36444431 DOI: 10.3760/cma.j.cn112140-20220731-00689] [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] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Objective: To establish the norms and clinical application standards of mass spectrometry method to measure vitamin D in capillary blood. Methods: Following the "Province-City-Hospital" sampling procedure, a cross-sectional sample of 1 655 healthy children under 7 years of age were recruited from 12 provinces, autonomous regions, or municipalities in China from November 2020 to December 2021. Both venous and capillary blood samples from the same individual were collected, for which serum 25(OH)D levels were measured by high-performance liquid chromatography-mass spectrometry (HPLC-MS/MS) method. Pearson correlation analysis and linear regression analysis were used to detect the correlation and determine a correction algorithm. The agreement was analyzed using Bland-Altman plot and Kappa statistic. The sensitivity and specificity were evaluated using receiver operating characteristic (ROC) curve method. Results: Venous and capillary 25(OH)D levels of 1 655 healthy children under 7 years of age were 74.25 (59.50, 92.00) and 68.75 (54.44, 86.25) nmol/L, respectively, showed a significant difference(Z=22.14, P<0.001) as well as a highly significant correlation between venous and capillary 25(OH)D levels(r=0.95, P<0.001). Linear regression analysis was then performed to determine the correction algorithm: lg(corrected capillary 25(OH)D)=0.13+0.95×lg(capillary 25(OH)D)(R2=0.90,P<0.001). The deviation between venous and corrected capillary 25(OH)D levels was (0.50±17.50) nmol/L, a difference value that did not reach statistical significance (P>0.05). The cut-off values of capillary blood 25(OH)D values 30.00, 50.00, 75.00 nmol/L corresponding to venous blood 25(OH)D values were 26.59, 45.56, and 69.84 nmol/L, respectively. Good consistency was observed between venous and corrected capillary 25(OH)D levels in clinical diagnosis (Kappa value 0.68-0.81). Corrected capillary 25(OH)D showed a high clinically predictive value (area under curve 0.97-0.99,sensitivity 0.72-0.92,specificity 0.89-0.99). Conclusion: The standardized capillary HPLC-MS/MS method can be used to detect 25(OH)D levels in children clinically.
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Affiliation(s)
- L L Li
- Department of Developmental and Behavioral Pediatrics, Shanghai Children's Medical Center,Shanghai Jiao Tong University School of Medicine, Shanghai 200127,China
| | - X N Li
- Department of Child Health Care, Children's Hospital of Nanjing Medical University, Nanjing 210008, China
| | - F Y Jia
- Department of Developmental and Behavioral Pediatrics, the First Hospital of Jilin University, Changchun 130021, China
| | - M Z Chi
- Department of Child Health Care, the First Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Z H Wen
- Department of Pediatrics, the People's Hospital of Guangxi Zhuang Autonomous Region, Nanning 530021, China
| | - F Yang
- Department of Child Health Care, West China Second University Hospital, Sichuan University,Chengdu 610041, China
| | - Y N Li
- Department of Pediatrics, the First Hospital of Lanzhou University, Lanzhou 730013, China
| | - L J Ha
- Department of Child Health Care, Yinchuan Maternity and Child Health Care Hospital, Yinchuan 750000, China
| | - Y Yang
- Department of Child Health Care and Neurological Rehabilitation, Sports Center Branch of Dalian Municipal Women and Children's Medical Center (Group), Dalian 116033, China
| | - X L Long
- Department of Pediatrics, Boai Hospital of Zhongshan, Zhongshan 528405, China
| | - S F Fang
- Department of Child Health Care, Children's Hospital of Zhengzhou University, Zhengzhou 450007, China
| | - L Xie
- Department of Pediatrics, Kunming Maternity and Child Health Care Hospital, Kunming 650031, China
| | - H F Zhang
- Department of Pediatrics, the Second Hospital of Hebei Medical University, Shijiazhuang 050000, China
| | - Xiaodan Yu
- Department of Developmental and Behavioral Pediatrics, Shanghai Children's Medical Center,Shanghai Jiao Tong University School of Medicine, Shanghai 200127,China
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Li LL, Li XN, Jia FY, Chi MZ, Wen ZH, Yang F, Li YN, Ha LJ, Yang Y, Long XL, Fang SF, Zhang HF, Yu X. [Analysis of vitamin D status among children under 7 years of age in some regions of China]. Zhonghua Er Ke Za Zhi 2022; 60:413-420. [PMID: 35488634 DOI: 10.3760/cma.j.cn112140-20220126-00087] [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] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Objective: To explore current vitamin D status and influential factors of vitamin D deficiency and insufficiency among children under 7 years of age in 11 provinces, autonomous regions or municipalities of China. Methods: According to the "province-city-hospital" sampling technical route, a total of 1 531 healthy children under 7 years of age were sampled from 11 provinces, autonomous regions or municipalities in China by the cluster random sampling method from November 2020 to November 2021. The demographic information, family conditions, behavior and living habits and feeding behaviors were collected using unified questionnaire. Serum 25-hydroxyvitamin D(25(OH)D) levels were measured by liquid chromatography-tandem mass spectrometry. Serum 25(OH)D<30 nmol/L was considered deficient and 30-50 nmol/L was considered insufficient. With 25(OH)D≤50 nmol/L as the dependent variable, multivariate Logistic regression was applied to analyze the association between vitamin D deficiency and insufficiency and potential influential factors. Results: The prevalence of vitamin D deficiency and insufficiency among children under 7 years of age in 11 provinces, autonomous regions or municipalities of China was 14.0% (215/1 531), 3.8% (25/664) and 21.9% (190/867) in 0-<3 and 3-<7 of age years, respectively. Compared to children aged 0-<3 years, children aged 3-<7 years had a 2.6-fold increased risk of vitamin D deficiency and insufficiency (OR=3.60, 95%CI 1.93-6.72, P<0.001). Frequent sunlight exposure (OR=0.46, 95%CI 0.29-0.73, P=0.001), vitamin D supplementation (sometimes, OR=0.33, 95%CI 0.21-0.51, P<0.001; daily, OR=0.20, 95%CI 0.11-0.36, P<0.001) and infant formula intake(4-7 times per weeks, OR=0.43, 95%CI 0.28-0.68, P<0.001) were protective factors for vitamin D deficiency and insufficiency. Conclusion: Vitamin D deficiency and insufficiency are common among children under 7 years of age in 11 provinces, autonomous regions or municipalities of China, which is affected by age, sunlight exposure, vitamin D supplementation and infant formula intake.
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Affiliation(s)
- L L Li
- Department of Developmental and Behavioral Pediatrics, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - X N Li
- Department of Child Health Care, Children's Hospital of Nanjing Medical University, Nanjing 210008, China
| | - F Y Jia
- Department of Developmental and Behavioral Pediatrics, the First Hospital of Jilin University, Changchun 130021, China
| | - M Z Chi
- Department of Child Health Care, the First Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Z H Wen
- Department of Pediatrics, the People's Hospital of Guangxi Zhuang Autonomous Region, Nanning 530021, China
| | - F Yang
- Department of Child Health Care, West China Second University Hospital, Sichuan University, Chengdu 610041, China
| | - Y N Li
- Department of Pediatrics, the First Hospital of Lanzhou University, Lanzhou 730013, China
| | - L J Ha
- Department of Child Health Care, Yinchuan Maternity and Child Health Care Hospital, Yinchuan 750000, China
| | - Y Yang
- Department of Child Health Care and Neurological Rehabilitation, Sports Center Branch of Dalian Municipal Women and Children's Medical Center (Group), Dalian 116033, China
| | - X L Long
- Department of Pediatrics, Boai Hospital of Zhongshan, Zhongshan 528405, China
| | - S F Fang
- Department of Child Health Care, Children's Hospital of Zhengzhou University, Zhengzhou 450007, China
| | - H F Zhang
- Department of Pediatrics, the Second Hospital of Hebei Medical University, Shijiazhuang 050000, China
| | - Xiaodan Yu
- Department of Developmental and Behavioral Pediatrics, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
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Liu DZ, Zhang HY, Long XL, Zou SL, Zhang XY, Han GY, Cui ZG. MIR-150 promotes prostate cancer stem cell development via suppressing p27Kip1. Eur Rev Med Pharmacol Sci 2015; 19:4344-4352. [PMID: 26636522] [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] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
OBJECTIVE Our previous study found that high miR-150 expression was positively correlated with prostate tumor recurrence or metastasis. In this work, we investigated the expression of miR-150 in prostate cancer stem cells (CSCs) and explored its regulation over p27 in the development of CSCs. MATERIALS AND METHODS MiR-150 expression in CD144 or CD44 positive primary prostate cells and in DU145 cell line was measured. It regulation over CSCs was measured using tumor sphere assay and qRT-PCR analysis of CSC related Oct4, Nestin and Nanog genes. The direct binding between miR-150 and 3'UTR of p27 mRNA was verified using dual luciferase, qRT-PCR and western blot assay. The influence of miR-150-p27 axis on prostate CSC properties was further investigated. RESULTS Findings of this study found miR-150 expression was significantly upregulated in CD44+ or CD133+ subgroups of prostate cancer cells. MiR-150 could directly target 3'UTR of p27 and decrease its expression, through which it increased the number and volume of tumor sphere formed by DU145 cells, as well as the expression of CSC related Oct4, Nestin and Nanog genes. CONCLUSIONS Increased miR-150 expression might participate in the development and progression of human prostate CSC by suppressing p27. This supported our previous study which found miR-150 was positively correlated with prostate tumor recurrence or metastasis.
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Affiliation(s)
- D Z Liu
- Department of Urology, Second Artillery General Hospital of PLA, Beijing, China.
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