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Tao GL, Zheng LS, Wang ZY, Xu YP, Zhong XG, Wang H, Zhang XS. Clinical characteristics and risk factors of diabetic foot ulcers with PAD. Eur Rev Med Pharmacol Sci 2023; 27:11412-11420. [PMID: 38095389 DOI: 10.26355/eurrev_202312_34580] [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: 12/18/2023]
Abstract
OBJECTIVE This study aimed to analyze the clinical characteristics of patients with diabetic foot ulcers combined with peripheral arterial disease (PAD) and the risk factors. PATIENTS AND METHODS A retrospective study was conducted on 120 patients with diabetic foot ulcers in the Second Affiliated Hospital of Dalian Medical University from October 2018 to February 2021. The patients were divided into uncombined with the PAD group (42 cases) and combined with the PAD group (78 cases). The baseline information and clinical indicators were measured from two groups. Univariate and binary logistic regression was used to analyze the risk factors of PAD in patients with diabetic foot ulcers. RESULTS The proportion of patients with age ≥ 60 years, Wagner grade 4-5 and smoking history in the combined group was higher than that in the uncombined group (p < 0.05). The diastolic blood pressure (DBP) of the combined group was lower than that of the uncombined group, while the C-reactive protein (CRP), neutrophil-to-lymphocyte ratio (NLR) and glycated hemoglobin (HbA1c) levels of the combined group were higher than those of the uncombined group (p < 0.05). Binary logistic regression analysis showed that age ≥ 60 years, high Wagner grade, smoking, elevated CRP, NLR and HbA1c levels were risk factors for patients with diabetic foot ulcer combined with PAD (OR > 1, p < 0.05). An elevated DBP level was the protective factor for PAD in patients with diabetic foot ulcer (OR < 1, p < 0.05). CONCLUSIONS Patients with diabetic foot ulcer combined with PAD have the clinical characteristics of poor blood pressure control, long course of disease, and low ABI value. Age ≥ 60 years, high Wagner grade, smoking history, elevated CRP, NLR and HbA1c levels are the risk factors of PAD in patients with diabetic foot ulcer. Increased DBP is protective for PAD in patients with diabetic foot ulcer.
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Affiliation(s)
- G-L Tao
- Department of Wound Repairment, The Second Affiliated Hospital of Dalian Medical University, Ganjingzi District, Dalian City, Liaoning Province, China.
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Chen YX, Xu YP, Zhu YG, Qu JM. [Advances in the diagnosis and treatment strategy of polymyxin resistant Klebsiella pneumoniae]. Zhonghua Jie He He Hu Xi Za Zhi 2023; 46:813-818. [PMID: 37536993 DOI: 10.3760/cma.j.cn112147-20230418-00188] [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: 08/05/2023]
Abstract
In recent years, the detection rate of multidrug-resistant and pandrug-resistant Klebsiella pneumoniae has increased year on year, so polymyxin has received increasing attention as an antibiotic that is still sensitive to most of the multidrug-resistant strains. However, widespread use of polymyxin is likely to lead to the emergence of polymyxin-resistant Klebsiella pneumoniae. At the same time, the polymyxin hetero-resistance has made clinical prevention and treatment difficult. In addition to relying on the combination of polymyxins with other antibiotics, the search for new antibacterial drugs has also become a research hotspot. Research into early detection methods for polymyxin resistance can also help to optimize and improve the diagnosis and treatment strategies. This article reviewed the epidemic status, mechanism, detection methods and prevention measures of polymyxin-resistant Klebsiella pneumoniae.
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Affiliation(s)
- Y X Chen
- Department of Respiratory and Critical Care Medicine, Ruijin Hospital Affiliated to the Shanghai Jiao Tong University Medical School, Key Laboratory for Emergency Prevention, Control and Diagnosis of Respiratory Infectious Diseases, Shanghai 200025, China
| | - Y P Xu
- Department of Respiratory and Critical Care Medicine, Ruijin Hospital Affiliated to the Shanghai Jiao Tong University Medical School, Key Laboratory for Emergency Prevention, Control and Diagnosis of Respiratory Infectious Diseases, Shanghai 200025, China
| | - Y G Zhu
- Department of Respiratory and Critical Care Medicine, Huadong Hospital Affiliated to Fudan University, Shanghai 200040, China
| | - J M Qu
- Department of Respiratory and Critical Care Medicine, Ruijin Hospital Affiliated to the Shanghai Jiao Tong University Medical School, Key Laboratory for Emergency Prevention, Control and Diagnosis of Respiratory Infectious Diseases, Shanghai 200025, China
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Ji L, Shen T, Mao L, Su YN, Liu TJ, Fang QL, Xu YP, Wang B. [Abnormalities of white matter differentiate the Parkinson variant of multiple system atrophy from Parkinson's disease]. Zhonghua Nei Ke Za Zhi 2021; 59:872-879. [PMID: 33120491 DOI: 10.3760/cma.j.cn112138-20191203-00794] [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] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To identify objective markers between the Parkinson variant of multiple system atrophy (MSA-P) and Parkinson's disease (PD). Methods: Retrospective analysis was performed on 10 patients with MSA-P, 15 patients with PD, and 15 healthy control group during the period from August 2016 to February 2019 in Baoshan Branch of Shanghai First People's Hospital.We combined the novel tract based spatial statistics (TBSS) and region of interest (ROI) analyses for the first time to investigate three groups with diffusion tensor imaging. By TBSS, we performed pairwise comparisons of mean diffusivity and fractional anisotropy (FA) maps. The clusters with significant differences between MSA-P and PD were used as ROIs for further analyses. Results: FA values in the left anterior thalamic radiation(ATR) (ROI values were 0.371(0.287-0.535), 0.472(0.390-0.594), 0.473(0.388-0.555); P values were 0.008, 0.008) and left superior longitudinal fasciculus (SLF)(ROI values were 0.397(0.291-0.469), 0.456(0.338-0.560), 0.473(0.427-0.530); P values were 0.013,<0.001) were significantly decreased in MSA-P compared with PD or controls, and significantly correlated with clinical data((r =-0.807, P =0.005),(r =-0.455, P =0.022)). Conclusion: Our findings indicate the abnormalities of left ATR and left SLF as specific biomarkers for differential diagnosis.
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Affiliation(s)
- L Ji
- Department of Neurology, Baoshan Branch of Shanghai First People's Hospital, Shanghai 201620, China
| | - T Shen
- Department of Neurology, Baoshan Branch of Shanghai First People's Hospital, Shanghai 201620, China
| | - L Mao
- Department of Neurology, Baoshan Branch of Shanghai First People's Hospital, Shanghai 201620, China
| | - Y N Su
- Department of Neurology, Baoshan Branch of Shanghai First People's Hospital, Shanghai 201620, China
| | - T J Liu
- Department of Neurology, Baoshan Branch of Shanghai First People's Hospital, Shanghai 201620, China
| | - Q L Fang
- Department of Neurology, Baoshan Branch of Shanghai First People's Hospital, Shanghai 201620, China
| | - Y P Xu
- Department of Neurology, Baoshan Branch of Shanghai First People's Hospital, Shanghai 201620, China
| | - B Wang
- Department of Neurology, Baoshan Branch of Shanghai First People's Hospital, Shanghai 201620, China
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Xu YP, Wang ZQ, Liang XD, Wang Y, Wang JL. [Comparative analysis of the prognosis of patients with locally advanced cervical cancer undergoing laparoscopic or abdominal surgery]. Zhonghua Fu Chan Ke Za Zhi 2020; 55:609-616. [PMID: 32957749 DOI: 10.3760/cma.j.cn112141-20200727-00612] [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] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To compare the prognosis of patients with cervical cancer in stage Ⅰb2-Ⅱa2 undergoing laparoscopic radical hysterectomy or abdominal radical hysterectomy. Methods: From January 1, 2009 to December 31, 2018, patients with stage Ⅰb2-Ⅱa2 who underwent laparoscopic or abdominal radical hysterectomy (laparoscopic group and abdominal group) in Peking University People's Hospital were collected. The clinicopathological data were retrospectively analyzed. There were 237 cases in this study, including 115 cases in laparoscopic group and 122 cases in abdominal group. The clinicopathological characteristics, surgery-related complications, recurrence and death were analyzed between the two groups. The related factors of recurrence and death were also analyzed.During laparoscopic surgery, the pressure of the carbon dioxide pneumoperitoneum were controlled, to try avoid the tumor tissue in the vagina from being exposed to the abdominal cavity when taking out the uterine specimen through the vagina, and fully flushed the abdominal cavity with sterile water after the specimen was taken out. Results: (1) Clinicopathological characteristics: there was no significant differences between the two groups among age, pathological type, pathological grade, clinical stage, depth of interstitial infiltration, lymph node metastasis,parametrial infiltration, vaginal stump infiltration, lymph-vascular space invasion (LVSI), neoadjuvant chemotherapy, and postoperative adjuvant treatments (all P>0.05). (2) Surgery-related complications: the incidence of surgery-related complications in the laparoscopic group and the abdominal group were 32.2% (37/115) and 25.4% (31/122), respectively. There was no statistically significant difference between the two groups (P>0.05). (3) Recurrence and death: during the follow-up period, the recurrence rates of the laparoscopic group and the abdominal group were respectively 15.7% (18/115) and 12.3% (15/122). There was no statistically significant difference between the two groups (P=0.456). The 5-year overall survival rates of the laparoscopic group and the open group were 86.8% and 87.8%, and the 5-year tumor-free survival rates were 81.7% and 84.6%, respectively. There were no statistically significant differences between the two groups (P=0.405, P=0.429). (4) Analysis of related factors of recurrence and death: univariate analysis showed that neoadjuvant chemotherapy, lymph node metastasis, vaginal stump infiltration, LVSI and interstitial infiltration depth were risk factors for postoperative recurrence of cervical cancer patients (all P<0.05); neoadjuvant chemotherapy, lymph node metastasis, parametrial infiltration, vaginal stump infiltration, LVSI and interstitial infiltration depth were risk factors for postoperative death in patients with cervical cancer (all P<0.05). Multivariate analysis showed that neoadjuvant chemotherapy and lymph node metastasis were independent risk factors for postoperative recurrence and death of cervical cancer patients (P<0.05). Conclusion: There is no significant difference in the prognosis of patients with cervical cancer in stage Ⅰb2-Ⅱa2 undergoing laparoscopic radical hysterectomy with non-touch operative technique and abdominal radical hysterectomy.
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Affiliation(s)
- Y P Xu
- Department of Obstetrics and Gynecology, Peking University People's Hospital, Beijing 100044, ChinaXu Yanping is working on the Department of Obstetrics and Gynecology, Xiamen Haicang Hospital, Xiamen 361026, China
| | - Z Q Wang
- Department of Obstetrics and Gynecology, Peking University People's Hospital, Beijing 100044, ChinaXu Yanping is working on the Department of Obstetrics and Gynecology, Xiamen Haicang Hospital, Xiamen 361026, China
| | - X D Liang
- Department of Obstetrics and Gynecology, Peking University People's Hospital, Beijing 100044, ChinaXu Yanping is working on the Department of Obstetrics and Gynecology, Xiamen Haicang Hospital, Xiamen 361026, China
| | - Y Wang
- Department of Obstetrics and Gynecology, Peking University People's Hospital, Beijing 100044, ChinaXu Yanping is working on the Department of Obstetrics and Gynecology, Xiamen Haicang Hospital, Xiamen 361026, China
| | - J L Wang
- Department of Obstetrics and Gynecology, Peking University People's Hospital, Beijing 100044, ChinaXu Yanping is working on the Department of Obstetrics and Gynecology, Xiamen Haicang Hospital, Xiamen 361026, China
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Liu XA, Xu YP, Guo CX, Liu YQ. [Investigation on the health status of workers exposed to benzene in one province]. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2020; 38:231-234. [PMID: 32306703 DOI: 10.3760/cma.j.cn121094-20190409-00140] [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] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To explore the health status of occupational benzene exposure workers, and to provide a scientific basis for the development of reasonable health monitoring and effective protective measures. Methods: In March 2019, the occupational health surveillance data were collected including blood pressure, electrocardiogram, blood routine, urine routine, liver function, etc of 7810 benzene contact workers in 150 enterprises in Jiangxi Province in 2017, to analyze and assess their health status. Results: Among the 7810 benzene workers, there were 5451 males and 2359 females; the average age was (40.5±9.9) years; and the median benzene working age was 3.5 years. The detection rate of hypertension was 17.0% (734/4317) , the abnormal rate of urine routine was 15.7% (1227/7810) , the abnormal rate of liver function was 8.6% (356/4147) , and the abnormal rate of electrocardiogram was 12.3%(963/7810). The detection rates of low count number of leukocytes, platelets, neutrophils and occupational contraindications were 4.6%(360/7810) , 1.4%(108/7810) , 4.2%(330/7810) and 1.4%(110/7810) , respectively. The detection rates of low count number of leukocytes, platelets and neutrophils in female were all higher than those in male (P<0.05). The detection rates of low count number of platelets, neutropenia and occupational contraindications increased with age and working age (P<0.05 ). There were significant differences in the detection rates of low count number of leukocytes, platelets, neutrophils and occupational contraindications among benzene workers in different economic types (P<0.05) , and the highest among foreign companies, followed by private enterprise. There were statistically significant differences in the detection rates of low count number of platelets, neutrophils and occupational contraindications in benzene workers of different enterprise sizes (P<0.05) , and the highest was found in micro enterprises, followed by small enterprises. Conclusion: In 2017, the occupational health status of workers exposed to benzene in Jiangxi province is not optimistic. It is necessary to strengthen the occupational health supervision of small and micro-sized enterprises, foreign enterprises and private enterprises, take the initiative to improve health surveillance, and effectively protect the physical and mental health of workers.
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Affiliation(s)
- X A Liu
- Jiangxi Provincial Institute of Occupational Disease Prevention, Nanchang 330006, China
| | - Y P Xu
- Jiangxi Provincial Institute of Occupational Disease Prevention, Nanchang 330006, China
| | - C X Guo
- Jiangxi Provincial Institute of Occupational Disease Prevention, Nanchang 330006, China
| | - Y Q Liu
- Jiangxi Provincial Institute of Occupational Disease Prevention, Nanchang 330006, China
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Dong X, Wang J, Li T, Xu YP, Li SY. Down regulation of lncRNA MEG3 promotes colorectal adenocarcinoma cell proliferation and inhibits the apoptosis by up-regulating TGF-β1 and its downstream sphingosine kinase 1. Eur Rev Med Pharmacol Sci 2019; 22:8265-8272. [PMID: 30556866 DOI: 10.26355/eurrev_201812_16522] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE LncRNA MEG3 is involved in the pathogenesis of several types of cancers. While its participation and function network in colorectal (CR) adenocarcinoma, which is one of the most common malignancies, still hasn't been well studied. Therefore, our study aimed to investigate the role of MEG3 in colorectal adenocarcinoma and to explore the possibly related mechanisms. PATIENTS AND METHODS Tumor tissues and adjacent healthy tissues were collected from colorectal adenocarcinoma patients. Blood samples were collected from both colorectal adenocarcinoma patients and healthy controls to prepare serum sample. Expression of MEG3 in those tissues was detected by qRT-PCR. MEG3 knockdown and sphingosine kinase 1 (SPHK1) overexpression colorectal adenocarcinoma cell lines were established. Its effects on cell proliferation and apoptosis were investigated by CCK-8 assay and MTT assay, respectively. Effects of MEG3 overexpression on TGF-β1 and SPHK1 were investigated by Western blot. RESULTS MEG3 expression level was decreased in tumor tissues than that in adjacent healthy tissues. Serum level of MEG3 was lower in cancer patients than that in healthy controls, and the serum level decreased with the increased stage of primary tumor. Serum TGF-β1 can be used to predict colorectal adenocarcinoma and its prognosis accurately. MEG3 knockdown and SPHK1 overexpression promoted tumor cell proliferation, but inhibited cell apoptosis. MEG3 knockdown also increased the expression level of TGF-β1 and SPHK1. Treatment with TGF-β1 inhibitor reduced the expression level of SPHK1 but showed no significant effects on MEG3. SPHK1 overexpression showed no significant effects on MEG3 and TGF-β1 expression. CONCLUSIONS Downregulation of lncRNA MEG3 can promote colorectal adenocarcinoma cell proliferation and inhibit the apoptosis by up-regulating TGF-β1 and its downstream sphingosine kinase 1.
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Affiliation(s)
- X Dong
- Department of General Surgery, PLA Army General Hospital, Beijing, China.
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Song S, Xu YP, Wu ZF, Deng XJ, Wang Q. The relative impact of urbanization and precipitation on long-term water level variations in the Yangtze River Delta. Sci Total Environ 2019; 648:460-471. [PMID: 30121045 DOI: 10.1016/j.scitotenv.2018.07.433] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Revised: 07/19/2018] [Accepted: 07/30/2018] [Indexed: 06/08/2023]
Abstract
The combined and individual hydrological impacts of climate variation and urbanization have been extensively discussed over the past few decades, yet little is known about the relative impact of each. In this paper we took one of the most developed regions worldwide, Yangtze River Delta, as an example to analyse the long-term relative impacts of precipitation and urbanization change on water level alterations, based on precipitation, water level series, and annual impervious area data from 1960 to 2015. Abrupt changes detection in the water level series divided the data into the pre-impact period (1960-1988) and impacted period (1989-2015), and relative impacts of precipitation and urbanization on the water level increase from pre-impacted to impacted period, as well as their spatial and seasonal variations were estimated with the elasticity method. The results indicated that the urbanization change showed no distinct influence on the water level rise in the pre-impact period, while the precipitation played distinct roles only during summer months in the impacted period; the precipitation dominated two thirds of the water level rise in flood season, and in non-flood season the urbanization controlled the two thirds of the water level rise; spatially, the water level variations in old and new urban area were dominated by precipitation and urbanization process respectively; compared with precipitation amount, the water level correlated more strongly to the contribution ratio of precipitation. The results would provide a good reference for flood control and water resource management in the river basin, especially in the economically developed areas.
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Affiliation(s)
- S Song
- School of Geographical Sciences, Guangzhou University, Guangzhou, China; School of Geographic and Oceanographic Sciences, Nanjing University, Nanjing, China.
| | - Y P Xu
- School of Geographic and Oceanographic Sciences, Nanjing University, Nanjing, China
| | - Z F Wu
- School of Geographical Sciences, Guangzhou University, Guangzhou, China
| | - X J Deng
- School of Economics, Zhejiang University of Finance & Economics, Hangzhou, China
| | - Q Wang
- School of Geographic and Oceanographic Sciences, Nanjing University, Nanjing, China
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He LM, Yang H, Xu YP, Hong WX. Genomic full-length sequence of HLA-B*15:178 was identified by full-length group-specific sequencing. HLA 2018; 92:246-248. [PMID: 30003685 DOI: 10.1111/tan.13336] [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] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2018] [Revised: 07/04/2018] [Accepted: 07/05/2018] [Indexed: 01/07/2023]
Abstract
Genomic full-length sequence of HLA-B*15:178 was identified by a group-specific sequencing approach from China.
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Affiliation(s)
- L-M He
- Immunogenetics Laboratory, Shenzhen Institute of Transfusion Medicine, Shenzhen Blood Center, Shenzhen, China
| | - H Yang
- Shenzhen Gene Biohealth Co., Ltd., Shenzhen, China
| | - Y-P Xu
- Immunogenetics Laboratory, Shenzhen Institute of Transfusion Medicine, Shenzhen Blood Center, Shenzhen, China.,Shenzhen Gene Biohealth Co., Ltd., Shenzhen, China
| | - W-X Hong
- Immunogenetics Laboratory, Shenzhen Institute of Transfusion Medicine, Shenzhen Blood Center, Shenzhen, China
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Cai YN, Pei XT, Sun PP, Xu YP, Liu L, Ping ZG. [Using the sequenced sample cluster analysis to study the body mass index distribution characteristics of adults in different age groups and genders]. Zhonghua Liu Xing Bing Xue Za Zhi 2018; 39:821-825. [PMID: 29936754 DOI: 10.3760/cma.j.issn.0254-6450.2018.06.024] [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] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To explore the characteristics of distribution on Chinese adult body mass index (BMI) in different age groups and genders and to provide reference related to obesity and related chronic diseases. Methods: Data from the China Health and Nutrition Survey in 2009 were used. Sequential sample cluster method was used to analyze the characteristics of BMI distribution in different age groups and genders by SAS. Results: Our results showed that the adult BMI in China should be divided into 3 groups according to their age, as 20 to 40 years old, 40 to 65 years old, and> 65 years old, in females or in total when grouped by difference of 5 years. For groupings in male, the three groups should be as 20 to 40, 40 to 60 years old and>60 years old. There were differences on distribution between the male and female groups. When grouped by difference of 10 years, all of the clusters for male, female and total groups as 20-40, 40-60 and>60 years old, became similar for the three classes, respectively, with no differences of distribution between gender, suggesting that the 5-years grouping was more accurate than the 10-years one, and BMI showing gender differences. Conclusions: BMI of the Chinese adults should be divided into 3 categories according to the characteristics of their age. Our results showed that BMI was increasing with age in youths and adolescents, remained unchanged in the middle-aged but decreasing in the elderly.
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Affiliation(s)
- Y N Cai
- Department of Health Statistics, School of Public Health, Zhengzhou University, Zhengzhou 450001, China
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Wang CH, Shi LP, Ma XL, Lin HJ, Xu YP, Du LZ. [Use of noninvasive high-frequency oscillatory ventilation in very low birth weight infants]. Zhonghua Er Ke Za Zhi 2017; 55:177-181. [PMID: 28273699 DOI: 10.3760/cma.j.issn.0578-1310.2017.03.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To evaluate the effectiveness and safety of the use of noninvasive high-frequency oscillation ventilation (nHFOV) in very low birth weight infants. Method: A total of 36 cases received nHFOV between January 2016 and October 2016 in Children's Hospital, Zhejiang University School of Medicine, including 24 males and 12 females, with the gestational age of (27.5±2.5) weeks and birth weight of(980±318)g. The data of the ventilator settings, side effects, and changes of the respiratory function before and after nHFOV were collected and analyzed retrospectively. Nonparametric tests or t tests or χ(2) tests were used. Result: Thirty-two (89%) out of the 36 cases successfully avoided intubation or re-intubation after using of nHFOV. nHFOV was used as the rescue treatment after failure of other noninvasive ventilation in 17 cases, and as the prophylactical treatment preventing re-intubation after extubation in the remaining 19 cases. There were significant decreases in the incidences of apnea and desaturation(SpO(2)<0.85), the level of PaCO(2, )and the FiO(2) 24 h after the initiation of the nHFOV as the rescue therapy((1.2±1.1)vs.(6.3±2.1)episodes , (1.1±1.2) vs.(4.3±1.5) episodes, (43±8) vs.(56±10) mmHg, 0.30±0.07 vs. 0.39±0.11, respectively; 1 mmHg=0.133 kPa, t=7.562, 8.913, 4.179, 3.437 respectively, all P<0.01). No significant changes were found in FiO(2) and PaCO(2) levels 24 h after initiation of nHFOV as the prophylactical therapy after extubation (0.42±0.12 vs.0.40±0.10, (49±8)vs.(48±7)mmHg, t=0.872 and 0.501 respectively, both P>0.05), except for the significant decreases in the mean airway pressure ((7.9±2.6)vs.(9.6±1.6)cmH(2)O, 1 cmH(2)0=0.098 kPa, t=2.198, P=0.041). There were 4 cases suffered from nasal septum injury, while no other nHFOV related complications were noted. Conclusion: nHFOV can be applied in preterm infants as a rescue treatment after the failure of other noninvasive ventilation, or prophylactically used in patients who have high risk of re-intubation.
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Affiliation(s)
- C H Wang
- Department of Neonatal Intensive Care Unit, Children's Hospital, Zhejiang University School of Medicine, Hangzhou 310051, China
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Wang SX, Xu YP, He LM. A novel HLA-E allele, HLA-E*01:01:01:07, identified in a Chinese leukemia patient. HLA 2017; 89:327-330. [PMID: 28244222 DOI: 10.1111/tan.12999] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [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: 12/25/2016] [Revised: 02/09/2017] [Accepted: 02/10/2017] [Indexed: 11/30/2022]
Abstract
A novel HLA-E allele, HLA-E*01:01:01:07, was identified in a Chinese leukemia patient.
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Affiliation(s)
- S-X Wang
- Key Laboratory of Shenzhen for Histocompatibility and Immunogenetics, Shenzhen Blood Center, Shenzhen, PR China
| | - Y-P Xu
- Key Laboratory of Shenzhen for Histocompatibility and Immunogenetics, Shenzhen Blood Center, Shenzhen, PR China
| | - Li-M He
- Key Laboratory of Shenzhen for Histocompatibility and Immunogenetics, Shenzhen Blood Center, Shenzhen, PR China
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Xu YP, Wang SX, Gao SQ, Zhang HB. The novel KIR3DS1*083 allele identified in a southern Chinese Han individual. HLA 2017; 90:140-142. [PMID: 28382772 DOI: 10.1111/tan.13030] [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: 03/13/2017] [Revised: 03/14/2017] [Accepted: 03/14/2017] [Indexed: 11/29/2022]
Abstract
KIR3DS1*083 allele differs from the closest allele KIR3DS1*01301 by 3 mutations in exon 4.
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Affiliation(s)
- Y-P Xu
- Immunogenetics Laboratory, Shenzhen Blood Center, Shenzhen, China
| | - S-X Wang
- Immunogenetics Laboratory, Shenzhen Blood Center, Shenzhen, China
| | - S-Q Gao
- Immunogenetics Laboratory, Shenzhen Blood Center, Shenzhen, China
| | - H-B Zhang
- Medical College of Shenzhen University, Shenzhen, China
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Li Z, Wang SX, Gao SQ, Xu YP. The novel KIR3DS1*084 allele identified in a southern Chinese Han individual. HLA 2017; 90:142-144. [PMID: 28371428 DOI: 10.1111/tan.13022] [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: 02/27/2017] [Accepted: 03/03/2017] [Indexed: 11/29/2022]
Abstract
KIR3DS1*084 allele differs from the closest allele KIR3DS1*01301 at nucleotide 308 C>T in exon 3.
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Affiliation(s)
- Z Li
- Immunogenetics Laboratory, Shenzhen Blood Center, Shenzhen, Guangdong, China
| | - S-X Wang
- Immunogenetics Laboratory, Shenzhen Blood Center, Shenzhen, Guangdong, China
| | - S-Q Gao
- Immunogenetics Laboratory, Shenzhen Blood Center, Shenzhen, Guangdong, China
| | - Y-P Xu
- Immunogenetics Laboratory, Shenzhen Blood Center, Shenzhen, Guangdong, China
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Xu YP, Wang SX, Hong WX. A novel HLA-E allele, HLA-E*01:01:01:06, identified in a Chinese Leukemia patient. HLA 2017; 89:260-262. [PMID: 28205421 DOI: 10.1111/tan.12982] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [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: 12/25/2016] [Revised: 01/22/2017] [Accepted: 01/24/2017] [Indexed: 11/27/2022]
Abstract
A novel HLA-E allele, HLA-E*01:01:01:06, was identified in a Chinese leukemia patient.
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Affiliation(s)
- Y-P Xu
- Key Laboratory of Shenzhen for Histocompatibility and Immunogenetics, Shenzhen Blood Center, Shenzhen, PR China
| | - S-X Wang
- Key Laboratory of Shenzhen for Histocompatibility and Immunogenetics, Shenzhen Blood Center, Shenzhen, PR China
| | - W-X Hong
- Key Laboratory of Shenzhen for Histocompatibility and Immunogenetics, Shenzhen Blood Center, Shenzhen, PR China
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15
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Wang SX, Xu YP, Gao SQ, Yang AL. The novel KIR3DS1*085 allele identified in a southern Chinese Han individual. HLA 2017; 90:144-146. [PMID: 28345772 DOI: 10.1111/tan.13023] [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: 02/27/2017] [Accepted: 03/03/2017] [Indexed: 11/30/2022]
Abstract
KIR3DS1*085 allele differs from the closest allele KIR3DS1*01301 at nucleotide 934 C>T in exon 5.
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Affiliation(s)
- S-X Wang
- Immunogenetics Laboratory, Shenzhen Blood Center, Shenzhen, Guangdong, China
| | - Y-P Xu
- Immunogenetics Laboratory, Shenzhen Blood Center, Shenzhen, Guangdong, China
| | - S-Q Gao
- Immunogenetics Laboratory, Shenzhen Blood Center, Shenzhen, Guangdong, China
| | - A-L Yang
- Immunogenetics Laboratory, Shenzhen Blood Center, Shenzhen, Guangdong, China
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16
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Wang SX, Xu YP. The novel KIR3DS1*078 allele identified in a southern Chinese Han individual. HLA 2017; 90:53-55. [PMID: 28296292 DOI: 10.1111/tan.13017] [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: 02/19/2017] [Revised: 02/25/2017] [Accepted: 02/27/2017] [Indexed: 11/30/2022]
Abstract
KIR3DS1*078 allele differs from the closest allele KIR3DS1*01301 at nucleotide 775 G>C in exon 5.
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Affiliation(s)
- S-X Wang
- Immunogenetics Laboratory, Shenzhen Blood Center, Shenzhen, China
| | - Y-P Xu
- Immunogenetics Laboratory, Shenzhen Blood Center, Shenzhen, China
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17
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He LM, Wang SX, Xu YP. The novel KIR3DS1*082 allele identified in a southern Chinese Han individual. HLA 2017; 90:51-53. [PMID: 28296291 DOI: 10.1111/tan.13016] [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: 02/19/2017] [Revised: 02/25/2017] [Accepted: 02/27/2017] [Indexed: 11/27/2022]
Abstract
KIR3DS1*082 allele differs from the closest allele KIR3DS1*01301 at nucleotide 1114T>C in exon 8.
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Affiliation(s)
- L-M He
- Immunogenetics Laboratory, Shenzhen Blood Center, Shenzhen, China
| | - S-X Wang
- Immunogenetics Laboratory, Shenzhen Blood Center, Shenzhen, China
| | - Y-P Xu
- Immunogenetics Laboratory, Shenzhen Blood Center, Shenzhen, China
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18
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Gao SQ, Xu YP, He LM, Zhang H, Yang AL. The full length genomic sequence of a novel HLA-A*24 allele, HLA-A*24:353, identified in a patient with hepatitis B infection. HLA 2017; 89:304-305. [PMID: 28296275 DOI: 10.1111/tan.13008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [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: 02/10/2017] [Revised: 02/15/2017] [Accepted: 02/16/2017] [Indexed: 11/29/2022]
Abstract
HLA-A*24:353 differs from HLA-A*24:02:01 by an amino acid exchange glutamine to glutamate at position 316.
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Affiliation(s)
- S-Q Gao
- Immunogenetics Laboratory, Shenzhen Blood Center, Shenzhen, China
| | - Y-P Xu
- Immunogenetics Laboratory, Shenzhen Blood Center, Shenzhen, China
| | - L-M He
- Immunogenetics Laboratory, Shenzhen Blood Center, Shenzhen, China
| | - H Zhang
- Immunogenetics Laboratory, Shenzhen Blood Center, Shenzhen, China
| | - A-L Yang
- Immunogenetics Laboratory, Shenzhen Blood Center, Shenzhen, China
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19
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Wang YY, Xu YP, He X, Huang FL. [Clinical analysis of the character, family history and prognosis of 6 cases with Crouzon syndrome]. Lin Chung Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2017; 31:142-145. [PMID: 29871206 DOI: 10.13201/j.issn.1001-1781.2017.02.015] [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] [Subscribe] [Scholar Register] [Received: 08/29/2016] [Indexed: 11/12/2022]
Abstract
Objective:To investigate the clinical characteristics, family history, treatment and prognosis of patients with Crouzon syndrome. Method:We reviewed and analyzed the clinical data of 6 patients with Crouzon syndrome. All patients suffered from snore during sleep, along with mouth opening, in which 5 cases had apnea and could be awaken. In addition, five of six experienced hearing loss, including one case with right ear discharging repeatedly. During the treatment, all patients were operated under general anesthesia. Among six cases, two were performed by tonsillectomy, adenoidectomy, and myringotomy; one was treated by adenoidectomy and myringotomy; two were performed by adenoidectomy; one was treated by external auditory canal cholesteatoma exenteration. Result:Within half a year to seven years' follow-up, 5 patients snore occasionally at night but without sleep apnea, while 1 patient performed by external auditory canal cholesteatoma exenteration has no improvement in sleep snoring. Additionally, the hearing of 5 patients have been greatly improved after operation and the cranial facial deformity of 2 cases have been alleviated than before, while 4 patients have no alleviation in oxycephaly, exophthalmos, mandibular prognathism and malocclusion.Conclusion:Understanding the clinical characteristics of Crouzon syndrome significantly contributes to early diagnosis of this disease. Individual-based treatment should be carried out according to the clinical symptoms and signs of patients. Early intervention benefit to the improvement of prognosis and the life quality of patients.
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Affiliation(s)
- Y Y Wang
- Department of Otorhinolaryngology Head and Neck Surgery, the Second Hospital of Jilin University, Changchun,130041, China
| | - Y P Xu
- Department of Otorhinolaryngology Head and Neck Surgery, the Second Hospital of Jilin University, Changchun,130041, China
| | - X He
- Department of Otorhinolaryngology Head and Neck Surgery, the Second Hospital of Jilin University, Changchun,130041, China
| | - F L Huang
- Department of Otorhinolaryngology, Xiangya Hospital of Zhongnan University
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20
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Wang H, Wang JJ, Jiang YL, Tian SQ, Ji Z, Guo FX, Sun HT, Fan JH, Xu YP. [CT guidance 125I seed implantation for pelvic recurrent rectal cancer assisted by 3D printing individual non-coplanar template]. Zhonghua Yi Xue Za Zhi 2016; 96:3782-3786. [PMID: 28057090 DOI: 10.3760/cma.j.issn.0376-2491.2016.47.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To analyze the difference of dosimetric parameters between pre-plan and post-plan of 125I radioactive seed implantation assisted by 3D printing individual non-coplanar template (3D printing template) for locally recurrent rectal cancer (LRRC). Methods: From February 2016 to April 2016, a total of 10 patients with locally recurrent rectal cancer received 125I seeds implantation under CT guidance assisted by 3D printing template in Department of Radiation Oncology, Peking University Third Hospital.Each patient underwent CT simulation, three-dimentional treatment planning pre-implantation, 3D printing template design, radioactive seed implantation assisted by 3D printing template and dosimetric verification post implantation. The median activity of seed was 0.63 mCi (0.58 to 0.7 mCi) (2.15- 2.59×107 Bq), and the median number of seeds was 80 (19 to 192). D90, D100, V100, V150, CI, EI, HI, D5cc, D2cc of bladder and bowel of pre-plan and post-plan were calculated, respectively.Paired t test was used to evaluate the difference of dosimetric parameters between pre-plan and post-plan. Results: The median D90 of pre-plan and post-plan were 13 761.0 and 12 798.8 cGy, respectively.The median D100 of pre-plan and post-plan were 5 293.6 and 5 397.9 cGy, respectively.The median V100 of pre-plan and post-plan were 90.0% and 90.0%, respectively.The median V150 of pre-plan and post-plan were 63.8% and 62.4%, respectively.The median CI of pre-plan and post-plan were 0.73 and 0.67.The median EI of pre-plan and post-plan were 0.22 and 0.30, respectively. The median HI of pre-plan and post-plan were 0.29 and 0.31.The median bladder D2cc of pre-plan and post-plan were 3 088.8 and 4 240.4 cGy, respectively.The median bowel D2cc of pre-plan and post-plan were 7 051.6 and 7 903.9 cGy, respectively. Conclusions: 3D printing template might be helpful for locally recurrent rectal cancer patients who received 125I radioactive seed implantation assisted by 3D printing individual template.Seed implantation might have more chances to achieve prescription dose and dose limitation of organs at risk of pre-plan, which is important for precise implantation and quality control.
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Affiliation(s)
- H Wang
- Department of Radiation Oncology, Peking University Third Hospital, Beijing 100191, China
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21
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Lin G, Han SY, Xu YP, Mao WM. Increasing the interval between neoadjuvant chemoradiotherapy and surgery in esophageal cancer: a meta-analysis of published studies. Dis Esophagus 2016; 29:1107-1114. [PMID: 26542065 DOI: 10.1111/dote.12432] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The aim of this meta-analysis was to clarify whether a longer interval between the end of neoadjuvant chemoradiotherapy (nCRT) and surgery is associated with better outcomes in esophageal cancer. nCRT followed by surgery is the most common approach for patients with resectable esophageal cancer. Operations are performed within 2-8 weeks after nCRT; however, the optimal interval between nCRT and surgery for esophageal cancer is unknown. We performed a systematic literature search in MEDLINE, EMBASE, the Cochrane Central Register of Controlled Trials, and the Clinical Trials database for studies published between January 2000 and December 2014. Eligible studies were prospective or retrospective studies of esophageal cancer that assessed the effects of intervals longer or shorter than 7-8 weeks between the end of nCRT and surgery. The primary end-points were the overall survival (OS) and pathologic complete response (pCR). Secondary end-points were anastomotic leak, R0 resection, and postoperative mortality rate. A meta-analysis was performed to estimate odds ratios (ORs) using fixed-effect and random-effect models, with Review Manager 5.2. The five studies that met the eligibility requirements included 1,016 patients: 520 in the shorter interval group (≤7-8 weeks) and 496 in the longer interval group (>7-8 weeks). The results of our meta-analysis indicate that a longer interval between nCRT and surgery may be disadvantageous for 2-year OS (OR = 1.40, 95% confidence interval [CI]: 1.09-1.80, P = 0.010) and R0 resection rate (OR = 1.71, 95% CI: 1.14-2.22, P = 0.009). The pCR, anastomotic leak rate, and postoperative morbidity were similar in the two groups. A longer interval (more than the standard 7-8 weeks) from the end of preoperative nCRT to surgery did not increase the rate of pCR in esophageal cancer, and the different intervals had similar effects on anastomotic leak rate and postoperative mortality rates. However, the longer interval between nCRT and surgery may be disadvantageous for long-term OS. These results should be validated prospectively in a randomized trial.
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Affiliation(s)
- G Lin
- Department of Radiation Oncology, Zhejiang Cancer Hospital, Hangzhou, China.,First Clinical Medical School, Wenzhou Medical University, Wenzhou, China
| | - S-Y Han
- Department of Radiation Oncology, Zhejiang Cancer Hospital, Hangzhou, China.,First Clinical Medical School, Wenzhou Medical University, Wenzhou, China
| | - Y-P Xu
- Department of Radiation Oncology, Zhejiang Cancer Hospital, Hangzhou, China.,First Clinical Medical School, Wenzhou Medical University, Wenzhou, China.,Zhejiang Key Laboratory of Diagnosis and Treatment Technology on Thoracic Oncology (Lung and Esophagus), Hangzhou, China
| | - W-M Mao
- First Clinical Medical School, Wenzhou Medical University, Wenzhou, China.,Zhejiang Key Laboratory of Diagnosis and Treatment Technology on Thoracic Oncology (Lung and Esophagus), Hangzhou, China
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22
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Wang SX, Xu YP. Genomic full-length sequence of two HLA-A alleles, A*24:08 and A*24:10, identified by cloning and sequencing. HLA 2016; 88:300-302. [PMID: 27775231 DOI: 10.1111/tan.12916] [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: 09/20/2016] [Revised: 09/26/2016] [Accepted: 09/27/2016] [Indexed: 11/28/2022]
Abstract
Genomic full-length sequences of HLA-A*24:08 and A*24:10, were identified by cloning and sequencing.
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Affiliation(s)
- S X Wang
- Key Laboratory of Shenzhen for Histocompatibility and Immunogenetics, Shenzhen Blood Center, Shenzhen, P. R. China
| | - Y P Xu
- Key Laboratory of Shenzhen for Histocompatibility and Immunogenetics, Shenzhen Blood Center, Shenzhen, P. R. China
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23
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Xu YP, Shan BF, Wang SX. Genomic full-length sequence of two HLA-A alleles, A*33:01:01 and A*33:03:01, identified by cloning and sequencing. HLA 2016; 88:302-305. [PMID: 27762501 DOI: 10.1111/tan.12917] [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: 09/20/2016] [Revised: 09/27/2016] [Accepted: 09/27/2016] [Indexed: 11/30/2022]
Abstract
Genomic full-length sequences of HLA-A*33:01:01 and A*33:03:01, were identified by cloning and sequencing.
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Affiliation(s)
- Y P Xu
- Key Laboratory of Shenzhen for Histocompatibility and Immunogenetics, Shenzhen Blood Center, Shenzhen, P. R. China
| | - B F Shan
- Laboratory of Taiyuan Red Cross Blood Center, Taiyuan, P. R. China
| | - S X Wang
- Key Laboratory of Shenzhen for Histocompatibility and Immunogenetics, Shenzhen Blood Center, Shenzhen, P. R. China
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24
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Abstract
Background: Neutrophil elastase is known to be released from the activated leukocytes as a result of cardiopulmonary bypass (CPB). However, its biological effect on organ injury is questionable because it is quickly bound by natural proteinase inhibitors (PIs). Recently, membrane-bound elastase (MBE) was found to be able to resist the PIs’ process and, thus, is biologically more active. This paper studies the effect of CPB on the kinetic change of MBE and its possible link to postoperative inflammation and organ function.Method: Ten consecutive patients undergoing elective coronary artery bypass grafting (CABG) surgery with CPB were recruited into the study. Blood samples were taken before sternotomy, after aortic declamping, at the end of CPB, three and six hours after CPB and on the first postoperative day. MBE was determined by substrate assay from isolated neutrophils. Inflammation and organ function markers were determined according to routine laboratory methods.Results: MBE slightly increased after aortic declamping, while it significantly increased and reached its peak at the end of CPB; it returned to its preoperative level on the first postoperative day. In contrast to lung sequestration of neutrophils, there was no transpulmonary gradient of MBE between left and right atria after aortic declamping. Neither MBE nor total MBE activity was positively correlated with postoperative inflammation markers such as blood lactate and C-reactive protein and organ function markers such as creatine phosphokinase and alanine aminotransferase.Conclusions: CPB induces increased MBE expression on neutrophils with its peak at the end of CPB. Lack of association between neutrophil MBE and clinical markers suggests that multiple systems might be involved in the post-CPB inflammatory reaction and organ dysfunction.
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Affiliation(s)
- M Tang
- Department of Cardiothoracic Surgery, Ren Ji Hospital affiliated to Shanghai Second Medical University, Pudong district, Shanghai, PR China
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25
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Wang GM, Liu DF, Xu YP, Meng T, Zhu F. PET/CT imaging in diagnosing lymph node metastasis of esophageal carcinoma and its comparison with pathological findings. Eur Rev Med Pharmacol Sci 2016; 20:1495-1500. [PMID: 27160120] [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 To investigate the usefulness of 18F-FDG PET/CT imaging in the diagnosis of lymph node metastasis of esophageal carcinoma and to compare its results with pathological findings. PATIENTS AND METHODS This study examined 43 cases of patients (32 males and 11 females, aged 54 ± 13 years old) being diagnosed with lymph node metastasis of esophageal carcinoma in our hospital between 2005 and 2014. All of these patients accepted 18F-FDG PET/CT imaging 10 days before the operation. Before reconstruction, each patient went through the body scan. PET/CT images were subject to comprehensive diagnostic analyses, by three experienced radiologists and/or professional nuclear physicians, on the number of metastatic lymph nodes and the maximum standardized uptake value (SUVmax). A control study was also performed on the pathological findings according to the latest esophageal cancer lymph node partition. RESULTS A total of 846 lymph nodes were taken out from the patients, among which 154 were confirmed with metastasis. When the SUVmax cutoff values were set at 2.5 and 5, 201 and 173 metastatic lymph nodes were found by 18F-FDG PET/CT imaging, respectively. Additionally, under such condition, 18F-FDG PET/CT imaging had the esophageal sensitivity of 69.48% vs 87.66%, specificity of 92.71% vs 94.51%, accuracy of 83.33% vs 93.26%, positive predictive value of 53.23% vs 78.03%, and negative predictive value of 92.71% vs 97.18%. CONCLUSIONS 18F-FDG PET/CT had high accuracy in imaging lymph node metastasis of esophageal cancer. SUVmax cutoff value of 5 had a higher diagnostic accuracy and should be recommended in clinical practice.
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Affiliation(s)
- G-M Wang
- Department of Nuclear Medicine, Xuzhou Central Hospital, Xuzhou, Jiangsu, China.
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26
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Liu CY, Xu PC, Chen DG, Fan XH, Li MQ, Yang X, Xu YP. Effect of siRNA targeting HER2/neu on the proliferation and viability of prostate cancer PC-3M cells. Genet Mol Res 2015; 14:17145-53. [PMID: 26681061 DOI: 10.4238/2015.december.16.14] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
The aim of this study was to investigate the effect of a small interfering RNA (siRNA) targeting human epidermal growth factor receptor 2 (HER2/neu) on the proliferation and viability of prostate cancer PC-3M cells. Chemically synthesized siRNA targeting HER2/neu was transfected into PC-3M cells by using liposomes, and cells transfected with empty liposomes, a negative siRNA sequence, or nothing (untransfected) were used as controls. mRNA and protein levels of HER2/neu were detected using reverse transcription-polymerase chain reaction and western blot, respectively. The inhibitory action of HER2/neu siRNA on the in vitro growth of PC-3M cells was assessed by the cholecystokinin 8 assay and apoptosis was detected using flow cytometry. Cells transfected with HER2/neu siRNA showed decreased mRNA and protein levels of HER2/neu compared to control groups (P < 0.05). The survival rate of PC-3M cells decreased significantly after transfection with HER2/neu siRNA compared to that of untransfected cells (55.39 ± 1.60 and 81.42 ± 0.80%, respectively; P < 0.05). The apoptosis rate in cells transfected with HER2/neu siRNA was quite high (45.60 ± 0.70%) compared to that of blank control, empty liposome, and negative siRNA sequence groups (P < 0.05). In conclusion, siRNA targeting HER2/neu inhibits HER2/neu expression in PC-3M cells, resulting in an inhibition in proliferation and an induction of apoptosis.
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Affiliation(s)
- C Y Liu
- Department of Urology, Lu'an Affiliated Hospital of Anhui Medical University, Lu'an, China
| | - P C Xu
- Department of Urology, Lu'an Affiliated Hospital of Anhui Medical University, Lu'an, China
| | - D G Chen
- Department of Urology, Lu'an Affiliated Hospital of Anhui Medical University, Lu'an, China
| | - X H Fan
- Department of Urology, Lu'an Affiliated Hospital of Anhui Medical University, Lu'an, China
| | - M Q Li
- Department of Urology, Fujian Medical University Union Hospital, Fuzhou, China
| | - X Yang
- Department of Urology, Fujian Medical University Union Hospital, Fuzhou, China
| | - Y P Xu
- Institute of Urology, Zhejiang Cancer Hospital, Hangzhou, China
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27
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Lu L, Xu YP. Genomic full-length sequence of two HLA-A alleles, A*02:48 and A*02:251, identified by cloning and sequencing. ACTA ACUST UNITED AC 2015; 86:377-9. [PMID: 26467897 DOI: 10.1111/tan.12680] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [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: 08/09/2015] [Accepted: 09/07/2015] [Indexed: 11/29/2022]
Abstract
Genomic sequences of HLA-A*02:48 and A*02:251, identified by cloning and sequencing from two Chinese donors.
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Affiliation(s)
- L Lu
- Key Laboratory of Shenzhen for Histocompatibility and Immunogenetics, Shenzhen Blood Center, Shenzhen, P. R. China
| | - Y P Xu
- Key Laboratory of Shenzhen for Histocompatibility and Immunogenetics, Shenzhen Blood Center, Shenzhen, P. R. China
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28
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Tao H, Chen LX, Xu YP, Li Z. Genomic full-length sequence of two HLA-A alleles, A*02:07:01 and A*02:10, identified by cloning and sequencing. ACTA ACUST UNITED AC 2015; 86:293-5. [PMID: 26250787 DOI: 10.1111/tan.12636] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [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: 06/19/2015] [Accepted: 07/14/2015] [Indexed: 11/28/2022]
Abstract
We report the sequences of 5' promoter and 3' untranslated region (UTR) of A*02:07:01 and A*02:10 for the first time.
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Affiliation(s)
- H Tao
- Health Care Medical Center, Shenzhen People's Hospital, Shenzhen, P. R. China
| | - L X Chen
- Health Care Medical Center, Shenzhen People's Hospital, Shenzhen, P. R. China
| | - Y P Xu
- Key Laboratory of Shenzhen for Histocompatibility and Immunogenetics, Shenzhen Blood Center, Shenzhen, P. R. China
| | - Z Li
- Key Laboratory of Shenzhen for Histocompatibility and Immunogenetics, Shenzhen Blood Center, Shenzhen, P. R. China
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29
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Tao H, Xu YP, Chen LX. Genomic full-length sequence of two HLA-A alleles, A*03:01:01:01 and A*03:02:01 identified by cloning and sequencing. ACTA ACUST UNITED AC 2014; 84:578-80. [PMID: 25345889 DOI: 10.1111/tan.12412] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [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: 05/21/2014] [Revised: 06/11/2014] [Accepted: 07/08/2014] [Indexed: 11/30/2022]
Abstract
Genomic full-length sequences of HLA-A*03:01:01:01 and A*03:02:01, were identified in two Chinese donors.
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Affiliation(s)
- H Tao
- Health Care Medical Center, Shenzhen People's Hospital, Shenzhen, P. R. China
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30
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Zhang H, Xu YP. Genomic full-length sequence of two HLA-A alleles, A*02:05:01 and A*02:06:01 identified by cloning and sequencing. ACTA ACUST UNITED AC 2014; 84:505-7. [PMID: 25284730 DOI: 10.1111/tan.12447] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [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: 08/01/2014] [Accepted: 08/26/2014] [Indexed: 12/01/2022]
Abstract
Genomic full-length sequences of HLA-A*02:05:01 and A*02:06:01, were identified by cloning and sequencing from two Chinese donors.
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Affiliation(s)
- H Zhang
- Key Laboratory of Shenzhen for Histocompatibility and Immunogenetics, Shenzhen Blood Center, Shenzhen, P. R. China
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31
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Zhen JX, Xu YP, Deng ZH. A novel KIR2DL3*00110 allele identified in a southern Chinese Han individual. Tissue Antigens 2014; 84:424-426. [PMID: 24903265 DOI: 10.1111/tan.12394] [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: 04/11/2014] [Accepted: 05/12/2014] [Indexed: 06/03/2023]
Abstract
KIR2DL3*00110 differs from KIR2DL3*00101 by a single silent mutation at coding sequence (CDS) nt618 A>C in exon 5.
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Affiliation(s)
- J-X Zhen
- Immunogenetics Laboratory, Shenzhen Blood Center, Shenzhen, China
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32
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Xu YP, Gao SQ. Genomic full-length sequence of two HLA-A*11 alleles, identified by cloning and sequencing. ACTA ACUST UNITED AC 2014; 84:406-8. [PMID: 24954095 DOI: 10.1111/tan.12398] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [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: 02/27/2014] [Revised: 04/28/2014] [Accepted: 05/26/2014] [Indexed: 11/29/2022]
Abstract
Genomic full length sequences of HLA-A*11:01:01 and A*11:02:01 were identified by cloning and sequencing from two different Chinese donors.
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Affiliation(s)
- Y P Xu
- Key Laboratory of Shenzhen for Histocompatibility and Immunogenetics, Shenzhen Blood Center, Shenzhen, China
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Tao H, Xu YP, Chen LX. Genomic full-length sequence of two HLA-A alleles, A*02:01:01:01 and A*02:03:01, identified by cloning and sequencing. ACTA ACUST UNITED AC 2014; 84:321-3. [PMID: 24903405 DOI: 10.1111/tan.12395] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [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: 02/26/2014] [Revised: 04/21/2014] [Accepted: 05/12/2014] [Indexed: 11/28/2022]
Abstract
Genomic full-length sequences of HLA-A*02:01:01:01 and HLA-A*02:03:01 were identified by cloning and sequencing from two Chinese donors.
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Affiliation(s)
- H Tao
- Health Care Medical Center, Shenzhen People's Hospital, Shenzhen, 518020, China
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Xu YP, Gao SQ. Full-length coding sequences of two MICA alleles, MICA*002:01 and MICA*012:01, identified by sequence-based typing in Chinese individuals. ACTA ACUST UNITED AC 2014; 84:433-5. [PMID: 24898989 DOI: 10.1111/tan.12388] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [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: 02/28/2014] [Revised: 04/11/2014] [Accepted: 05/06/2014] [Indexed: 11/28/2022]
Abstract
Full-length coding sequences of MICA*002:01 and MICA*012:01, were identified by sequence-based typing in Chinese individuals.
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Affiliation(s)
- Y P Xu
- Key Laboratory of Shenzhen for Histocompatibility and Immunogenetics, Shenzhen Blood Center, 518020, Shenzhen, P. R. China
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Deng ZH, Zhen JX, Xu YP, Yu Q, Zhao J. Description of the novel KIR2DL3*028 allele identified in a southern Chinese Han individual. ACTA ACUST UNITED AC 2014; 84:249-50. [PMID: 24837608 DOI: 10.1111/tan.12366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2014] [Accepted: 04/15/2014] [Indexed: 11/27/2022]
Affiliation(s)
- Z-H Deng
- Immunogenetics Laboratory, Shenzhen Blood Center, Shenzhen, Guangdong, 518035, China
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Zhen JX, Deng ZH, Xu YP. Characterization of the novel KIR2DL3*00109 allele identified in a southern Chinese Han individual. ACTA ACUST UNITED AC 2014; 84:248-9. [PMID: 24837976 DOI: 10.1111/tan.12376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2014] [Accepted: 04/20/2014] [Indexed: 11/26/2022]
Affiliation(s)
- J-X Zhen
- Immunogenetics Laboratory, Shenzhen Blood Center, Shenzhen, Guangdong, 518035, China
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Lu L, Xu YP. Genomic full-length sequence of two HLA-A alleles, A*01:01:01:01 and A*01:03, identified by cloning and sequencing. ACTA ACUST UNITED AC 2014; 83:423-4. [PMID: 24673518 DOI: 10.1111/tan.12345] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [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: 12/24/2013] [Revised: 02/23/2014] [Accepted: 02/25/2014] [Indexed: 11/30/2022]
Abstract
Genomic full-length sequences of HLA-A*01:01:01:01 and A*01:03, were identified by cloning and sequencing from two Chinese donors.
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Affiliation(s)
- L Lu
- Key Laboratory of Shenzhen for Histocompatibility and Immunogenetics, Shenzhen Blood Center, Shenzhen, 518035, P. R. China
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Gao SQ, Xu YP, Deng ZH. Full-length sequence of a novel null allele HLA-A*11:69N identified in a Chinese individual. ACTA ACUST UNITED AC 2014; 83:292-3. [PMID: 24438441 DOI: 10.1111/tan.12291] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [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: 11/21/2013] [Accepted: 12/15/2013] [Indexed: 11/28/2022]
Abstract
We describe here a novel null allele of human leukocyte antigen gene, A*11:69N, which was initially found in a blood donor from China.
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Affiliation(s)
- S-Q Gao
- Shenzhen Institute of Transfusion Medicine, Shenzhen Blood Center, Shenzhen, Guangdong, China
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Xu YP, Shen J, Zhu QB, Gu J, Lin SZ, Fan JP. Efficacy of botulinum toxin A for treatment of unilateral spasms of the eyelid and its prognosis. Eur Rev Med Pharmacol Sci 2013; 17:2974-2979. [PMID: 24254570] [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: 06/02/2023]
Abstract
BACKGROUND To this date, only a small number of studies have described the long-term use of BTX in Hemifacial spasm. AIM To assess the prognosis and long-term effectiveness of Botulinum toxin A (BTXA) in the treatment of unilateral spasms of the eyelid. PATIENTS AND METHODS From September 1998 to January 2006, 245 consecutive cases of unilateral spasms of the eyelid were included in this retrospective study. Among them, 143 patients (BTXA group) underwent BTXA injection treatment, and 102 patients did not receive any intervention (control group). BTXA injections were made subcutaneously around the eye with the dose of 2.5U other than the temporal canthus of 5U. Follow-up was performed for 1-7 years after the last injection. RESULTS In BTXA treatment group, the complete remission rate was 78.3% (112/143), recurrence rate was 21.7% (31/143) and the incidence of hemifacial spasm (HFS) was 18.9% (27/143); complete remission rate for patients with disease duration less than 3 months was 96.6% (86/89); for patients with a 3-6 months disease history, complete remission rate was 75.8% (25/33), and patients having the disease course exceeding 6 months had a complete remission rate of 4.8% (1/21). In the control group, the complete remission rate was 12.7% (13/102), and the prevalence of HFS was 71.6% (73/102); 16.7% (9/56) of patients with the disease duration less than 3 months were remitted, but the complete remission rate was 12.9% (4/31) for patients with a 3-6 months disease history. None was in remission when the disease history exceeded 6 months. CONCLUSIONS BTXA treatment can improve the complete remission rate and prevent further progression of unilateral spasms of the eyelid into HFS, especially in early stage.
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Affiliation(s)
- Y-P Xu
- Department of Otolaryngology, Changzheng Hospital, Second Military Medical University, Shanghai, China.
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Li Z, Xu YP. Genomic full-length sequence of two HLA-A alleles, A*30:01:01 and A*30:04:01, identified by cloning and sequencing. ACTA ACUST UNITED AC 2013; 82:295-6. [PMID: 23953124 DOI: 10.1111/tan.12189] [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] [Indexed: 11/29/2022]
Abstract
Genomic full-length sequences of HLA-A*30:01:01 and A*30:04:01, were identified by cloning and sequencing from two Chinese donors.
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Affiliation(s)
- Z Li
- Key Laboratory of Shenzhen for Histocompatibility and Immunogenetics, Shenzhen Blood Center, Shenzhen, China
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Zhen YH, Fang R, Ding C, Jin LJ, Li XY, Diao YP, Shu XH, Ma XC, Xu YP. Efficacy of specific IgY for treatment of lipopolysaccharide-induced endotoxemia using a mouse model. J Appl Microbiol 2011; 111:1524-32. [PMID: 21933310 DOI: 10.1111/j.1365-2672.2011.05155.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
AIMS To estimate the efficacy of specific egg yolk immunoglobulin (IgY) for the treatment of lipopolysaccharide (LPS)-induced endotoxemia using a mouse model. METHODS AND RESULTS Specific IgY was obtained from the yolk of hens immunized with formaldehyde-killed Escherichia coli O111 and showed a high binding activity to LPS when subjected to an ELISA. Endotoxemia was induced in mice by intraperitoneal injection of LPS at a dose of 20 mg kg(-1) for measuring survival rate and 10 mg kg(-1) for cytokine measurement. The survival rate of mice treated with 200 mg kg(-1) specific IgY or 5 mg kg(-1) dexamethasone was 70% while none of the mice in the normal saline-treated group survived more than 7 days. Specific IgY significantly (P < 0.05) decreased tumour necrosis factor-α (TNF-α) level and increased interleukin-10 (IL-10) level in the serum of endotoxemia mice. Specific IgY had less of an effect on TNF-α than dexamethasone, while its effect on increasing IL-10 was stronger than dexamethasone. Haematoxylin and eosin-stained sections indicated that IgY attenuated the damage to the lung and liver observed in mice with endotoxemia. CONCLUSIONS The specific IgY increased the survival rate of mice with endotoxemia induced by LPS, down-regulated TNF-α and up-regulated IL-10 in serum and attenuated the extent of damage to the lung and liver. SIGNIFICANCE AND IMPACT OF THE STUDY The specific IgY has potential for the treatment of LPS-induced endotoxemia.
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Affiliation(s)
- Y-H Zhen
- College of Pharmacy, Dalian Medical University, Dalian, China
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Abstract
A novel HLA-C*01 variant allele differs from the closest allele C*01:02:01 by single nucleotide change at coding sequence nt 316 C>T (codon 82 CGC>TGC) in exon 2, which causes an amino acid change Arg82Cys.
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Affiliation(s)
- D-M Wang
- Immunogenetics Laboratory, Shenzhen Blood Center, Shenzhen, Guangdong, China
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Abstract
HLA-B plays an important role in unrelated donor hematopoietic stem cell transplantation.
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Affiliation(s)
- S-Q Gao
- Shenzhen Institute of Transfusion Medicine, Shenzhen Blood Center, Shenzhen, Guangdong, China.
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Abstract
The novel HLA-C*01:38 variant allele differs from the closest allele C*01:02:01 by a single nucleotide change at coding sequence (CDS) nt 430 G>A (codon 120 GGC>AGC) in exon 3, which causes an amino acid change Gly120Ser.
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Affiliation(s)
- Z-H Deng
- Immunogenetics Laboratory, Shenzhen Blood Center, Shenzhen, Guangdong 518035, China.
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Abstract
A novel HLA-Cw*0624 variant allele differs from the closest allele Cw*06020101 by single nucleotide change at genomic nt 923 T>C (CDS nt 547 T>C, codon 159 TAC>CAC) in exon 3, which results in an amino acid change Tyr159His.
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Affiliation(s)
- Z-H Deng
- Immunogenetics Laboratory, Shenzhen Blood Center, Shenzhen, Guangdong, China.
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Abstract
We report that a novel HLA-B allele, B*4603 has been identified during routine PCR-SSOP typing in a sample from a registered female donor of Chinese Marrow Donor Program.
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Affiliation(s)
- S-Q Gao
- Shenzhen Institute of Transfusion Medicine, Shenzhen Blood Center, Shenzhen, Guangdong, China.
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Xu YP, Yang BC, Zeng JQ, Wang DM, Deng ZH. Characterization of the genomic full-length sequence of HLA-Cw*010201, Cw*0706, and Cw*0801 in Chinese individuals. ACTA ACUST UNITED AC 2010; 75:179-81. [PMID: 20196829 DOI: 10.1111/j.1399-0039.2009.01421.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
Genomic full-length sequence of human leukocyte antigen (HLA)-Cw*0706, differing from its closet allele Cw*070 101 by six nucleotide exchanges, was detected in two Chinese individuals.
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Affiliation(s)
- Y-P Xu
- Key Laboratory of Shenzhen for Histocompatibility and Immunogenetics, Shenzhen Blood Center, Shenzhen, China
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Abstract
Genomic full-length sequences of human leukocyte antigen (HLA)-Cw*0103 and *0108 were identified by cloning and sequencing from two Chinese donors. All introns, exons 4-8, 5'-promoter, and 3'-UTR were found to be identical between these two alleles.
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Affiliation(s)
- Y-P Xu
- Key Laboratory of Shenzhen for Histocompatibility and Immunogenetics, Shenzhen Blood Center, Shenzhen, China.
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Bao YY, Lv ZY, Liu ZB, Xue J, Xu YP, Zhang CX. Comparative analysis of Bombyx mori nucleopolyhedrovirus responsive genes in fat body and haemocyte of B. mori resistant and susceptible strains. Insect Mol Biol 2010; 19:347-358. [PMID: 20201979 DOI: 10.1111/j.1365-2583.2010.00993.x] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
The infection profiles of the Bombyx mori nucleopolyhedrovirus (BmNPV) in B. mori larvae revealed that the virus invaded the fat body and haemocyte of both KN and 306 strains, which are highly resistant and susceptible, respectively, to BmNPV infection. However, viral proliferation was notably slowed in the resistant B. mori strain. Using suppression subtractive hybridization, two fat body cDNA libraries were constructed to compare BmNPV responsive gene expression levels between the two silkworm lines. In total, 96 differentially expressed genes were obtained. Real-time quantitative PCR (qPCR) analysis confirmed that eight genes were significantly up-regulated in the fat body and haemocyte of the KN strain following BmNPV injection. Our results suggest that these genes may have potential roles in B. mori antiviral infection mechanisms.
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Affiliation(s)
- Y-Y Bao
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Insect Sciences, Zhejiang University, Hangzhou, China
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Zhen YH, Jin LJ, Guo J, Li XY, Li Z, Fang R, Xu YP. Characterization of specific egg yolk immunoglobulin (IgY) against mastitis-causing Staphylococcus aureus. J Appl Microbiol 2010; 105:1529-35. [PMID: 19146490 DOI: 10.1111/j.1365-2672.2008.03920.x] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
AIMS To evaluate the in vitro activity of egg yolk immunoglobulin (IgY) against mastitis-causing Staphylococcus aureus. METHODS AND RESULTS Specific IgY was produced by immunizing hens with formaldehyde-killed Staph. aureus, using a bacterial strain known to cause mastitis. The IgY, of 94% purity, was obtained from yolks by water dilution, salt precipitations, ultrafiltration and gel filtration. ELISA indicated that the IgY produced was specific to the antigen and five Staph. aureus isolates obtained from mastitic cows. The growth of Staph. aureus was inhibited by specific IgY at concentrations from 1 to 10 mg ml(-1) in a dose-dependent manner. The phagocytosis of Staph. aureus by milk macrophages was enhanced in the presence of specific IgY with the highest phagocytic percentage being 30% higher than that without IgY (P < 0.05). CONCLUSIONS The specific IgY against mastitis-causing Staph. aureus inhibited the growth of Staph. aureus and enhanced the phagocytosis of Staph. aureus by milk macrophages. SIGNIFICANCE AND IMPACT OF THE STUDY Specific IgY would be a potential treatment for bovine mastitis.
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Affiliation(s)
- Y-H Zhen
- Department of Bioscience and Biotechnology, Dalian University of Technology, Dalian, China
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