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Zhao CC, Comiter CV, Elliott CS. Single-use catheters: evidence and environmental impact. BJU Int 2024. [PMID: 38438065 DOI: 10.1111/bju.16313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2024]
Abstract
OBJECTIVE To explore the data comparing single- vs multi-use catheters for clean intermittent catheterisation (CIC), consider if the widespread use of single-use catheters is warranted given the cost and environmental impact, and put forth ideas for future consideration. METHODS A primary literature review was performed in PubMed over the past 50 years. Studies that performed comparative analysis of single- and multi-use catheters were included in our review. All studies that reported on primary data were narratively summarised. RESULTS A total of 11 studies were identified that reported on primary data comparing single- and multi-use catheters. There was no appreciable evidence suggesting reusable multi-use catheters were inferior to single-use catheters from an infection or usability standpoint. In addition, the environmental and monetary burden of single-use catheters is significant. CONCLUSIONS The intermittent catheter landscape in the USA has a complex past: defined by policy, shaped by industry, yet characterised by a paucity of data demonstrating superiority of single-use over multi-use catheters. We believe that the aversion to reusable catheters by many patients and healthcare professionals is unwarranted, especially given the cost and environmental impact. Moving forward, better comparative data and more sustainable practices are needed.
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Affiliation(s)
- Calvin C Zhao
- Department of Urology, Stanford University School of Medicine, Stanford, CA, USA
| | - Craig V Comiter
- Department of Urology, Stanford University School of Medicine, Stanford, CA, USA
| | - Christopher S Elliott
- Department of Urology, Stanford University School of Medicine, Stanford, CA, USA
- Division of Urology, Santa Clara Valley Medical Center, San Jose, CA, USA
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Zhao CC, Rossi JK, Wysock JS. Systematic Review and Meta-Analysis of Free-Hand and Fixed-Arm Spatial Tracking Methodologies in Software-Guided MRI-TRUS Fusion Prostate Biopsy Platforms. Urology 2023; 171:16-22. [PMID: 36243143 DOI: 10.1016/j.urology.2022.09.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 09/20/2022] [Accepted: 09/27/2022] [Indexed: 11/07/2022]
Abstract
OBJECTIVE To evaluate the cancer detection rate (CDR) between the 2 dominant spatial tracking methodologies in software-guided MRI-transrectal ultrasound fusion prostate biopsy (SGF-Bx) platforms: fixed-arm and free-hand. METHODS We conducted a systematic review and meta-analysis on published primary analyses of prospective trials and cohort studies that enrolled biopsy-naïve patients for SFG-Bx. Inclusion criteria included the use of the Prostate Imaging Reporting & Data System (PI-RADS) v2.0 or later and the targeting of lesions graded as PI-RADS 3 or higher. Random effects models were used to assess the overall prostate cancer (PCa) CDR and the clinically significant prostate cancer (csPCa) CDR for both platforms. csPCa was standardized to a definition of Gleason Grade Group 2 or higher when possible. Subgroup analysis was performed by stratifying studies into the average number of cores taken per lesion. RESULTS The PCa CDR was 0.674 for free-hand systems and 0.681 for fixed-arm systems. The csPCa CDR was 0.492 for free-hand systems and 0.500 for fixed-hand systems. There was no significant difference between free-hand and fixed-arm cancer detection rates for both overall PCa (P = .88) and csPCa (P = .90). Subgroup analyses revealed significant PCa CDR and csPCa CDR differences (P < .001) between free-hand and fixed-arm platforms only when 2 cores per lesion were taken, in favor of fixed-arm platforms. CONCLUSIONS Fixed-arm platforms performed similarly in cancer detection to free-hand platforms but show a minor benefit on fewer samples. While tracking methodology differences appear subtle, further investigation into the clinical impact of platform-specific features are warranted.
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Affiliation(s)
- Calvin C Zhao
- Department of Urology, Stanford University School of Medicine, Palo Alto, CA
| | - Juan Kochen Rossi
- Department of Urology, New York University Grossman School of Medicine, New York, NY
| | - James S Wysock
- Department of Urology, New York University Grossman School of Medicine, New York, NY.
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Liu ZK, Li Y, Zhao CC, Liu ZJ, Wang LM, Li XY, Pellikaan WF, Yao JH, Cao YC. Effects of a combination of fibrolytic and amylolytic enzymes on ruminal enzyme activities, bacterial diversity, blood profile and milk production in dairy cows. Animal 2022; 16:100595. [PMID: 35907385 DOI: 10.1016/j.animal.2022.100595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 06/22/2022] [Accepted: 06/24/2022] [Indexed: 11/20/2022] Open
Abstract
We hypothesised that adding a combination of fibrolytic and amylolytic enzymes to the diet of early-lactation dairy cows would improve rumen enzyme activity and bacterial diversity, promote energy metabolism, and benefit milk production in cows. Twenty multiparous early-lactation (90 ± 5 d) Holstein cows with similar body conditions were randomly allocated to control (CON, n = 10) and experimental (EXP, n = 10) groups in a completely randomised single-factor design. The CON was fed only a basal total mixed ration diet, and the diet of the EXP was supplemented with a combination of fibrolytic and amylolytic enzymes at 70 g/cow/d (cellulase 3 500 CU/g, xylanase 2 000 XU/g, β-glucanase 17 500 GU/g, and amylase 37 000 AU/g). The experiment lasted 28 days, with 21 days for adaptation and 7 days for sampling. Enzyme addition increased the activity levels of α-amylase and xylanase, and the ammonia-N concentration (P < 0.05) tended to increase the activity of β-glucanase (P = 0.08) in rumen fluid. However, there was no significant difference in the rumen bacterial richness and diversity, phylum (richness > 0.1%) or genus (richness > 1%) composition between the CON and EXP groups (P > 0.05). A tendency of difference was found between CON and EXP (R = 0.22, P = 0.098) in principal component analysis. Ten genera showed different abundances across the CON and EXP groups (linear discriminant analysis effect size, linear discriminant analysis > 2). EXP increased the ratio of albumin to globulin and the concentrations of total cholesterol and low-density lipoprotein cholesterol (P < 0.05) and tended to increase triglycerides (P = 0.09) in blood. Milk yield, 3.5% fat-corrected milk yield and energy-corrected milk yield increased with enzyme supplementation (P < 0.05). The production levels of milk fat and lactose increased, but the percentage of solids, not fat and protein, decreased in EXP (P < 0.05). Although the DM intake was not affected, the feed efficiency tended to increase (P = 0.07) in EXP. In conclusion, dietary supplementation with a mixture of fibrolytic and amylolytic enzymes on multiparous early-lactation dairy cows increased α-amylase and xylanase activity levels in rumen fluid, enhanced milk performance and tended to improve the feed efficiency in cows.
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Affiliation(s)
- Z K Liu
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, PR China
| | - Y Li
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, PR China
| | - C C Zhao
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, PR China
| | - Z J Liu
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, PR China
| | - L M Wang
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, PR China
| | - X Y Li
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, PR China
| | - W F Pellikaan
- Animal Nutrition Group, Wageningen University & Research, Wageningen, the Netherlands
| | - J H Yao
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, PR China
| | - Y C Cao
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, PR China.
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Zhao CC, Shakir NA, Zhao LC. Robotic Bladder Flap Posterior Urethroplasty for Recalcitrant Bladder Neck Contracture and Vesicourethral Anastomotic Stenosis. Urology Video Journal 2022. [DOI: 10.1016/j.urolvj.2022.100133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Huang YY, Xu Y, Wang L, Zhao CC, Tu CP, Ni JM, Wang LS, Pan BL, Fu Y, Hao Z, Liu C, Mei JW, Li SY. Heat Transport in Herbertsmithite: Can a Quantum Spin Liquid Survive Disorder? Phys Rev Lett 2021; 127:267202. [PMID: 35029499 DOI: 10.1103/physrevlett.127.267202] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Accepted: 12/01/2021] [Indexed: 06/14/2023]
Abstract
One favorable situation for spins to enter the long-sought quantum spin liquid (QSL) state is when they sit on a kagome lattice. No consensus has been reached in theory regarding the true ground state of this promising platform. The experimental efforts, relying mostly on one archetypal material ZnCu_{3}(OH)_{6}Cl_{2}, have also led to diverse possibilities. Apart from subtle interactions in the Hamiltonian, there is the additional degree of complexity associated with disorder in the real material ZnCu_{3}(OH)_{6}Cl_{2} that haunts most experimental probes. Here we resort to heat transport measurement, a cleaner probe in which instead of contributing directly, the disorder only impacts the signal from the kagome spins. For ZnCu_{3}(OH)_{6}Cl_{2}, we observed no contribution by any spin excitation nor obvious field-induced change to the thermal conductivity. These results impose strong constraints on various scenarios about the ground state of this kagome compound: while certain quantum paramagnetic states other than a QSL may serve as natural candidates, a QSL state, gapless or gapped, must be dramatically modified by the disorder so that the kagome spin excitations are localized.
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Affiliation(s)
- Y Y Huang
- State Key Laboratory of Surface Physics, and Department of Physics, Fudan University, Shanghai 200438, China
| | - Y Xu
- Key Laboratory of Polar Materials and Devices (MOE), School of Physics and Electronic Science, East China Normal University, Shanghai 200241, China
| | - Le Wang
- Shenzhen Institute for Quantum Science and Engineering, and Department of Physics, Southern University of Science and Technology, Shenzhen 518055, China
| | - C C Zhao
- State Key Laboratory of Surface Physics, and Department of Physics, Fudan University, Shanghai 200438, China
| | - C P Tu
- State Key Laboratory of Surface Physics, and Department of Physics, Fudan University, Shanghai 200438, China
| | - J M Ni
- State Key Laboratory of Surface Physics, and Department of Physics, Fudan University, Shanghai 200438, China
| | - L S Wang
- State Key Laboratory of Surface Physics, and Department of Physics, Fudan University, Shanghai 200438, China
| | - B L Pan
- State Key Laboratory of Surface Physics, and Department of Physics, Fudan University, Shanghai 200438, China
| | - Ying Fu
- Shenzhen Institute for Quantum Science and Engineering, and Department of Physics, Southern University of Science and Technology, Shenzhen 518055, China
| | - Zhanyang Hao
- Shenzhen Institute for Quantum Science and Engineering, and Department of Physics, Southern University of Science and Technology, Shenzhen 518055, China
| | - Cai Liu
- Shenzhen Institute for Quantum Science and Engineering, and Department of Physics, Southern University of Science and Technology, Shenzhen 518055, China
| | - Jia-Wei Mei
- Shenzhen Institute for Quantum Science and Engineering, and Department of Physics, Southern University of Science and Technology, Shenzhen 518055, China
- Shenzhen Key Laboratory of Advanced Quantum Functional Materials and Devices, Southern University of Science and Technology, Shenzhen 518055, China
| | - S Y Li
- State Key Laboratory of Surface Physics, and Department of Physics, Fudan University, Shanghai 200438, China
- Collaborative Innovation Center of Advanced Microstructures, Nanjing 210093, China
- Shanghai Research Center for Quantum Sciences, Shanghai 201315, China
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Abstract
PURPOSE OF REVIEW Developments in robotic reconstructive urology have introduced novel treatments for complex upper and lower urinary tract disease. Short-term and mid-term data demonstrates excellent outcomes and minimal morbidity, suggesting the advanced instrumentation and visualization of robotics represent a new treatment paradigm in patients that are historically difficult to treat. Here we review recent developments in the robotically assisted surgical management of urethral and ureteral strictures. RECENT FINDINGS The minimally invasive approach, enhanced precision and reach, and near-infrared fluorescence imaging capabilities of robotic platforms have proven to be valuable additions in reconstructive urology where perfusion is often compromised, or anatomy is distorted. These benefits are leveraged heavily in recent descriptions of robotic-assisted posterior urethroplasty and ureteroplasty. Short-term to mid-term follow-up data for these procedures show excellent patency rates with low morbidity and complication rates when compared with open approaches. Long-term data for these procedures are not yet available. SUMMARY The role of robotics in reconstructive urology is being actively investigated. Initial findings demonstrate excellent results with low morbidity in the treatment of upper and lower urinary tract disease. Long-term data will ultimately determine the role of robotics in the reconstructive armamentarium.
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Affiliation(s)
- Calvin C Zhao
- Department of Urology, New York University Grossman School of Medicine, New York, New York, USA
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Zhang JN, Wang J, Peng HM, Ma MY, Wang H, Zhao CC, Jiao MY, Li XH, Yao YQ. [Effect of exogenous gonadotropin dosage on embryo aneuploidy rate and pregnancy outcome in patients of preimplantation genetic test]. Zhonghua Fu Chan Ke Za Zhi 2020; 55:253-258. [PMID: 32375432 DOI: 10.3760/cma.j.cn112141-20200309-00198] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [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 investigate the effect of gonadotropin (Gn) on embryo aneuploidy rate and pregnancy outcome during preimplanptation genetic testing for aneuploidy (PGT-A) cycles. Methods: The clinical data of patients undergoing PGT-A cycle at the First Medical Center of the PLA General Hospital from January 1, 2013 to May 31, 2019 were retrospectively analyzed. Patients were divided into younger patient group (<35 years old) and elder patient group (≥35 years old) by maternal age, then divided into two groups in line with Gn dosage (≤2 250 U, >2 250 U), and into four groups by number of oocytes retrieved (1-5, 6-10, 11-15 and ≥16 oocytes). The embryo aneuploidy rate and pregnancy outcome between the groups were compared. Logistic regression was used to analyze the relationship between the cumulative amount of Gn, embryo aneuploidy rate and live-birth rate. Results: A total of 402 cycles (338 patients) and 1 883 embryos were included in the study. (1) In the younger patients, the aneuploidy rate was 52.5% (304/579) in the group of Gn≤2 250 U and 48.6% (188/387) in the group of Gn>2 250 U, with no significant difference between them (P=0.232). In the elderly patients, the difference in embryo aneuploidy rate between the two Gn group [57.9% (208/359) versus 60.6% (319/526)] was not statistically significant (P=0.420). (2) The embryonic aneuploidy rate in different protocol of ovary stimulation was analyzed,in the younger group, the embryonic aneuploidy rate in patients using antagonist long protocol was 50.3% (158/314), it was 50.0% (121/242) in agonist long protocol, 52.1% (207/397) in agonist short protocol and 6/13 in luteal phase protocol, no statistical difference was found in above groups (P=0.923); in the elder group, embryonic aneuploidy rate was 60.8% (191/314) in antagonist protocol, 58.4% (132/226) in agonist long protocol, 59.2%(199/336) in agonist short protocol, 5/9 in luteal phase protocol, respectively,no significant difference was found (P=0.938). (3) In the younger patients, the aneuploidy rate in 1-5 oocytes group, 6-10 oocytes group, 11-15 oocytes group and ≥16 oocytes group was 37.9% (11/29), 54.0% (94/174), 52.5% (104/198) and 50.1% (283/565) respectively, no significant difference was found between the groups (P=0.652); while in the elder patients, the difference between aneuploidy rate in each retrieved oocytes group [73.6% (89/121), 57.5% (119/207), 56.3% (108/192), 57.8% (211/365)] was statistically significant (P=0.046). (4) Logistic regression analysis of age, cumulative dosage of Gn, number of oocytes obtained, and embryo aneuploidy rate showed that there was no association between the amount of Gn and embryo aneuploidy rate (P>0.05); the increase in maternal age would increase the risk of aneuploidy rate of embryos, which was statistically significant (OR=1.031, 95%CI: 1.010-1.054, P=0.004); the increase in oocytes retrived would significantly decrease the risk of aneuploidy (OR=0.981, 95%CI: 0.971-0.991, P<0.01). (5) There was no significant difference in biochemical pregnancy rate [55.6% (80/144) versus 52.1% (63/121)], clinical pregnancy rate [50.0% (72/144) versus 47.9% (58/121)] and live-birth rate [46.5% (67/144) versus 40.5% (49/121)] between different Gn dosage groups (P=0.613, P=0.738, P=0.324). The logistic regression analysis showed that the maternal age, the cumulative dosage of Gn, the number of oocytes obtained, and the ovarian stimulation protocol had no effect on the live-birth rate (all P>0.05). Conclusions: In PGT-A cycle, the dosage of Gn has no association with the embryo aneuploidy rate and pregnancy outcome. In the patients ≥35 years old, the increase in number of oocytes obtained may decrease the risk of aneuploidy. Age is an important factor affecting the embryo aneuploidy in PGT-A cycle.
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Affiliation(s)
- J N Zhang
- Department of Obstetrics and Gynecology, The First Medical Center of the PLA General Hospital, Beijing 100853, China
| | - J Wang
- Department of Obstetrics and Gynecology, The Seventh Medical Center of the PLA General Hospital, Beijing 100191, China
| | - H M Peng
- Department of Obstetrics and Gynecology, The First Medical Center of the PLA General Hospital, Beijing 100853, China
| | - M Y Ma
- Department of Obstetrics and Gynecology, The First Medical Center of the PLA General Hospital, Beijing 100853, China
| | - H Wang
- Department of Obstetrics and Gynecology, The First Medical Center of the PLA General Hospital, Beijing 100853, China
| | - C C Zhao
- Department of Obstetrics and Gynecology, The First Medical Center of the PLA General Hospital, Beijing 100853, China
| | - M Y Jiao
- Department of Obstetrics and Gynecology, The First Medical Center of the PLA General Hospital, Beijing 100853, China
| | - X H Li
- Department of Obstetrics and Gynecology, The First Medical Center of the PLA General Hospital, Beijing 100853, China
| | - Y Q Yao
- Department of Obstetrics and Gynecology, The First Medical Center of the PLA General Hospital, Beijing 100853, China
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Deng QL, Zhao CC, Hu RY, Wang JW, Yu JM. [The coping styles and its relationship with quality of life among 1 968 female breast cancer patients in Shanghai in 2014]. Zhonghua Yu Fang Yi Xue Za Zhi 2017; 51:686-691. [PMID: 28763916 DOI: 10.3760/cma.j.issn.0253-9624.2017.08.006] [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 study the coping styles and its relationship with quality of life among part of the female breast cancer patients in Shanghai in 2014. Methods: In August of 2014, 1-3 block groups affiliated to Shanghai Cancer Rehabilitation Club were selected from each of the 17 districts of Shanghai by convenient sampling method. Respondents were recruited from these block groups via putting up posters in the community or top three hospitals nearby. The inclusion criteria were as follows: female, aged from 18 to 80 years old; the initial diagnosis or primary tumor was breast cancer, and active treatments including surgery, radiotherapy and chemotherapy were finished; capable of basic reading and comprehension, and there was no communication disorder; daily activities were not limited, and with no mental disorder or dysgnosia. Totally 2 205 respondents were included. Questionnaire survey was conducted to collect the information of demographic characteristics, disease characteristics, result of European Organization for Research and Treatment of Cancer Quality of Life Questionnaire (EORTC QLQ-C30), and result of the Ways of Coping Inventory-Cancer Version (WOC-CA). 1 968 valid questionnaires were withdrawn. The results of respondent characteristics and WOC-CA were under descriptive analysis, and the differences of coping styles among groups of different demographic characteristics were compared using t test. In addition, we analyzed the correlation between respondents' coping styles and quality of life using partial correlation analysis. Results: The average age of the 1 968 respondents was (58.7±7.4) years old, and BMI was (24.4±5.4) kg/m(2). The score of positive coping styles was 2.04±0.41, and the score of negative coping styles was 1.79±0.33. The scores of Physical Functioning (PF), Role Functioning (RF), Cognitive Functioning (CF), Emotional Functioning (EF), Social Functioning (SF), and Global Health (GH) were 83.40±12.18, 90.80±15.92, 80.72±16.29, 84.67±15.19, 80.99±20.91, 65.27±21.21, respectively. Positive coping styles correlated with PF, EF, and GH positively, and the correlation coefficients were separately 0.581 (P=0.046), 0.593 (P=0.045), 0.770 (P<0.001). Negative coping styles correlated with RF, CF, EF, and SF negatively, and the correlation coefficients were separately-0.672 (P=0.021),-0.815 (P=0.005),-0.121 (P<0.001),-0.123 (P<0.001). Conclusion: Part of the female breast cancer patients in Shanghai in 2014 mainly adopted positive coping styles, and in general the positive coping styles correlated with quality of life positively and negative coping styles correlated with quality of life negatively.
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Affiliation(s)
- Q L Deng
- Key Laboratory of Health Technology Assessment of Ministry of Health, Collaborative Innovation Center of Social Risks Governance in Health, School of Public Health, Fudan University, Shanghai 200032, China
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Zhao CC, Cai HB, Wang H, Pan SY. Role of ADH2 and ALDH2 gene polymorphisms in the development of Parkinson's disease in a Chinese population. Genet Mol Res 2016; 15:gmr8606. [PMID: 27706693 DOI: 10.4238/gmr.15038606] [Citation(s) in RCA: 7] [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: 11/03/2022]
Abstract
In this study, we investigated the role of ADH2 Arg47His and ALDH2 Glu487Lys genetic polymorphisms in the development of Parkinson's disease in a Chinese population. Between January 2013 and May 2014, 115 patients with Parkinson's disease and 214 healthy controls were recruited in our study. Genotyping of ADH2 Arg47His and ALDH2 Glu487Lys polymorphisms was performed by the polymerase chain reaction-restriction fragment length polymorphism method. In the dominant model, the GA + AA genotype of ALDH2 Glu487Lys was found to be significantly associated with elevated risk of Parkinson's disease when compared with the GG genotype [odds ratio = 1.71, 95% confidence interval (CI) = 1.02-2.84]. In the recessive model, the AA genotype of ALDH2 Glu487Lys showed a 4.87-fold increase (95%CI = 1.54-18.03) in the risk of Parkinson's disease when compared to the GG and GA genotypes. However, no significant association was found between the ADH2 Arg47His polymorphism and risk of Parkinson's disease in the co-dominant, dominant, or recessive models. In conclusion, our study suggests that the ALDH2 polymorphism could influence the development of Parkinson's disease in the Chinese population studied here.
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Affiliation(s)
- C C Zhao
- Department of Neurology, Nanfang Hospital, Southern Medical University, Guangzhou, China.,Department of Neurology, Second Hospital of Lanzhou University, Lanzhou, China
| | - H B Cai
- Department of Neurology, Second Hospital of Lanzhou University, Lanzhou, China
| | - H Wang
- Department of Neurology, Second Hospital of Lanzhou University, Lanzhou, China
| | - S Y Pan
- Department of Neurology, Nanfang Hospital, Southern Medical University, Guangzhou, China
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