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Liao S, Chen Y, Wang S, Wang C, Ye C. Shenkang injection for the treatment of acute kidney injury: a systematic review and meta-analysis. Ren Fail 2024; 46:2338566. [PMID: 38655870 PMCID: PMC11044765 DOI: 10.1080/0886022x.2024.2338566] [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: 10/12/2023] [Accepted: 03/30/2024] [Indexed: 04/26/2024] Open
Abstract
OBJECTIVE Shenkang injection (SKI) has been widely used in China for many years for the treatment of kidney disease. The objective of this systematic review was to assess the efficacy of Shenkang injection for the treatment of acute kidney injury (AKI). METHODS A search was conducted across seven databases, encompassing data from the inception of each database through October 8th, 2023. Randomized controlled trials comparing SKI-treated AKI patients with control subjects were extracted. The main outcome measure was serum creatinine (SCr) levels. Secondary outcomes included blood urea nitrogen (BUN), serum cystatin C (CysC), 24-h urine protein (24 h-Upro) levels, APACHE II score and adverse reactions. RESULTS This meta-analysis included eleven studies, and the analysis indicated that, compared with the control group, SKI significantly decreased SCr [WMD = -23.31, 95% CI (-28.06, -18.57); p < 0.001]; BUN [WMD = -2.07, 95% CI (-2.56, -1.57); p < 0.001]; CysC [WMD = -0.55, 95% CI (-0.78, -0.32), p < 0.001]; 24-h urine protein [WMD = -0.43, 95% CI (-0.53, -0.34), p < 0.001]; and the APACHE II score [WMD = -3.07, 95% CI (-3.67, -2.48), p < 0.001]. There was no difference in adverse reactions between the SKI group and the control group [RR = 1.32, 95% CI (0.66, 2.63), p = 0.431]. CONCLUSION The use of SKI in AKI patients may reduce SCr, BUN, CysC, 24-h Upro levels, and APACHE II scores in AKI patients. The incidence of adverse reactions did not differ from that in the control group. Additional rigorous clinical trials will be necessary in the future to thoroughly evaluate and establish the effectiveness of SKI in the treatment of AKI.
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Affiliation(s)
- Shengchun Liao
- Department of Nephrology, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yurou Chen
- Department of Nephrology, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Shuting Wang
- Department of Nephrology, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Chen Wang
- Department of Nephrology, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Chaoyang Ye
- Institute of Traditional Chinese Medicine Kidney Disease, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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He W, Yu W, Huang Y, Liao S, Zhang G, Wang Q, Li R, Yang L, Yao R, Zhang Z, Zhong B, Liu Y, Wang Q. [Effectiveness of comprehensive echinococcosis control measures with emphasis on management of infectious source in Sichuan Province from 2010 to 2022]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2024; 35:614-620. [PMID: 38413022 DOI: 10.16250/j.32.1374.2023116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 02/29/2024]
Abstract
OBJECTIVE To evaluate the effectiveness of comprehensive echinococcosis control measures with emphasis on management of infectious source in Sichuan Province from 2010 to 2022, so as to provide insights into formulation of future control interventions. METHODS Data pertaining to comprehensive echinococcosis control measures with emphasis on management of infectious source and echinococcosis surveillance in Sichuan Province from 2010 to 2022 were collected. The effectiveness of comprehensive echinococcosis control measures with emphasis on management of infectious source was evaluated with prevalence of human echinococcosis, detection of newly diagnosed echinococcosis patients, prevalence of Echinococcus infection in domestic dogs, prevalence of cystic echinococcosis in livestock, prevalence of alveolar echinococcosis in small mammals and awareness of echinococcosis control knowledge, and Spearman's rank correlation analysis. RESULTS The prevalence of human echinococcosis reduced from 1.08% in 2010 to 0.40% in 2022 in Sichuan Province (χ2 = 1 482.97, P < 0.05), with a reduction from 0.30% to 0.02% in the detection of newly diagnosed echinococcosis cases (χ2 = 2 776.41, P < 0.05), a reduction from 15.87% to 0.46% in the prevalence of Echinococcus infection in domestic dogs (χ2 = 20 823.96, P < 0.05), a reduction from 8.05% to 1.07% in the prevalence of cystic echinococcosis in livestock (χ2 = 1 296.02, P < 0.05), and the awareness of echinococcosis control knowledge increased from 50.65% to 95.24% (χ2 = 34 938.63, P < 0.05); in addition, there was a year-specific prevalence rate of alveolar echinococcosis in small mammals (χ2 = 164.07, P < 0.05). Spearman's rank correlation analysis revealed that the detection of newly diagnosed echinococcosis cases correlated positively with the prevalence of Echinococcus infections in domestic dogs (rs = 0.823, P < 0.05) and the prevalence of cystic echinococcosis in livestock (rs = 0.795, P < 0.05), and correlated negatively with the awareness of echinococcosis control knowledge (rs = - 0.918, P < 0.05), and the prevalence of Echinococcus infection in domestic dogs correlated positively with the prevalence of cystic echinococcosis in livestock (rs = 0.753, P < 0.05) and negatively with the awareness of echinococcosis control knowledge (rs = -0.747, P < 0.05); however, there was no correlation between the prevalence of Echinococcus infections in domestic dogs and the prevalence of alveolar echinococcosis in small mammals (rs = -0.750, P > 0.05). CONCLUSIONS The comprehensive echinococcosis control measures with emphasis on management of infectious source had achieved remarkable effectiveness in Sichuan Province; however, the transmission chain of echinococcosis has not been interrupted. Reinforced comprehensive echinococcosis control measures with emphasis on management of infectious source and sustained tracking evaluation of the effectiveness are recommended in Sichuan Province.
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Affiliation(s)
- W He
- Institute of Parasitic Diseases, Sichuan Provincial Center for Disease Control and Prevention, Chengdu, Sichuan 610041, China
| | - W Yu
- Institute of Parasitic Diseases, Sichuan Provincial Center for Disease Control and Prevention, Chengdu, Sichuan 610041, China
| | - Y Huang
- Institute of Parasitic Diseases, Sichuan Provincial Center for Disease Control and Prevention, Chengdu, Sichuan 610041, China
| | - S Liao
- Institute of Parasitic Diseases, Sichuan Provincial Center for Disease Control and Prevention, Chengdu, Sichuan 610041, China
| | - G Zhang
- Institute of Parasitic Diseases, Sichuan Provincial Center for Disease Control and Prevention, Chengdu, Sichuan 610041, China
| | - Q Wang
- Institute of Parasitic Diseases, Sichuan Provincial Center for Disease Control and Prevention, Chengdu, Sichuan 610041, China
| | - R Li
- Institute of Parasitic Diseases, Sichuan Provincial Center for Disease Control and Prevention, Chengdu, Sichuan 610041, China
| | - L Yang
- Institute of Parasitic Diseases, Sichuan Provincial Center for Disease Control and Prevention, Chengdu, Sichuan 610041, China
| | - R Yao
- Institute of Parasitic Diseases, Sichuan Provincial Center for Disease Control and Prevention, Chengdu, Sichuan 610041, China
| | - Z Zhang
- Institute of Parasitic Diseases, Sichuan Provincial Center for Disease Control and Prevention, Chengdu, Sichuan 610041, China
| | - B Zhong
- Institute of Parasitic Diseases, Sichuan Provincial Center for Disease Control and Prevention, Chengdu, Sichuan 610041, China
| | - Y Liu
- Institute of Parasitic Diseases, Sichuan Provincial Center for Disease Control and Prevention, Chengdu, Sichuan 610041, China
| | - Q Wang
- Institute of Parasitic Diseases, Sichuan Provincial Center for Disease Control and Prevention, Chengdu, Sichuan 610041, China
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Wang J, Feng X, Yuan W, Zhang J, Zhu S, Xu L, Li H, Song J, Rao X, Liao S, Wang Z, Si H. Development of terpenoid repellents against Aedes albopictus: a combined study of biological activity evaluation and computational modelling. SAR QSAR Environ Res 2024; 35:71-89. [PMID: 38323577 DOI: 10.1080/1062936x.2024.2306327] [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: 09/06/2023] [Accepted: 01/06/2024] [Indexed: 02/08/2024]
Abstract
To explore novel terpenoid repellents, 22 candidate terpenoid derivatives were synthesized and tested for their electroantennogram (EAG) responses and repellent activities against Aedes albopictus. The results from the EAG experiments revealed that 5-(2-hydroxypropan-2-yl)-2-methylcyclohex-2-en-1-yl formate (compound 1) induced distinct EAG responses in female Aedes albopictus. At concentrations of 0.1, 1, 10, 100, and 1000 mg/L, the EAG response values for compound 1 were 179.59, 183.99, 190.38, 193.80, and 196.66 mV, demonstrating comparable or superior effectiveness to DEET. Repellent activity analysis indicated significant repellent activity for compound 1, closest to the positive control DEET. The in silico assessment of the ADMET profile of compound 1 indicates that it successfully passed the ADMET evaluation. Molecular docking studies exhibited favourable binding of compound 1 to the active site of the odorant binding protein (OBP) of Aedes albopictus, involving hydrophobic forces and hydrogen bond interactions with residues in the OBP pocket. The QSAR model highlighted the influential role of hydrogen-bonding receptors, positively charged surface area of weighted atoms, polarity parameters of molecules, and maximum nuclear-nuclear repulsion force of carbon-carbon bonds on the relative EAG response values of the tested compounds. This study holds substantial significance for the advancement of new terpenoid repellents.
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Affiliation(s)
- J Wang
- College of Forestry, Jiangxi Agricultural University, East China Woody Fragrance and Flavor Engineering Research Center of National Forestry and Grassland Administration, Nanchang, R.P. China
| | - X Feng
- College of Forestry, Jiangxi Agricultural University, East China Woody Fragrance and Flavor Engineering Research Center of National Forestry and Grassland Administration, Nanchang, R.P. China
| | - W Yuan
- College of Forestry, Jiangxi Agricultural University, East China Woody Fragrance and Flavor Engineering Research Center of National Forestry and Grassland Administration, Nanchang, R.P. China
| | - J Zhang
- College of Forestry, Jiangxi Agricultural University, East China Woody Fragrance and Flavor Engineering Research Center of National Forestry and Grassland Administration, Nanchang, R.P. China
| | - S Zhu
- College of Forestry, Jiangxi Agricultural University, East China Woody Fragrance and Flavor Engineering Research Center of National Forestry and Grassland Administration, Nanchang, R.P. China
| | - L Xu
- College of Forestry, Jiangxi Agricultural University, East China Woody Fragrance and Flavor Engineering Research Center of National Forestry and Grassland Administration, Nanchang, R.P. China
| | - H Li
- College of Forestry, Jiangxi Agricultural University, East China Woody Fragrance and Flavor Engineering Research Center of National Forestry and Grassland Administration, Nanchang, R.P. China
| | - J Song
- Department of Natural Sciences, University of Michigan-Flint, Flint, MI, USA
| | - X Rao
- College of Chemical Engineering, Huaqiao University, Xiamen, R.P. China
| | - S Liao
- College of Forestry, Jiangxi Agricultural University, East China Woody Fragrance and Flavor Engineering Research Center of National Forestry and Grassland Administration, Nanchang, R.P. China
| | - Z Wang
- College of Forestry, Jiangxi Agricultural University, East China Woody Fragrance and Flavor Engineering Research Center of National Forestry and Grassland Administration, Nanchang, R.P. China
| | - H Si
- College of Forestry, Jiangxi Agricultural University, East China Woody Fragrance and Flavor Engineering Research Center of National Forestry and Grassland Administration, Nanchang, R.P. China
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Zhao R, Shao H, Shi G, Qiu Y, Tang T, Lin Y, Chen S, Huang C, Liao S, Chen J, Fu H, Liu J, Shen J, Liu T, Xu B, Zhang Y, Yang Y. The Role of Radiotherapy in Patients with Refractory Hodgkin Lymphoma after Brentuximab Vedotin and -/or Immune Checkpoint Inhibitors. Int J Radiat Oncol Biol Phys 2023; 117:e499. [PMID: 37785568 DOI: 10.1016/j.ijrobp.2023.06.1741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Brentuximab vedotin (BV) and immune checkpoint inhibitors (ICIs) had important roles in the treatment of relapse or refractory (R/R) Hodgkin lymphoma (HL). Treatment of refractory disease after BV and -/or ICIs remains a challenge. This study was conducted to evaluate the efficacy and safety of radiotherapy for R/R HL after failure to BV or ICIs. MATERIALS/METHODS We retrospectively analyzed patients in two institutions with R/R HL who had failed after first-line therapy, and were refractory to BV or ICIs, and received radiotherapy (RT) thereafter. The overall response rate (ORR), duration of response (DOR), progression-free survival (PFS) and overall survival (OS) were analyzed. RESULTS A total of 19 patients were enrolled. First-line systemic therapy consisted of ABVD (84.2%), AVD + ICIs (10.5%) and BEACOPP (5.3%), respectively. After first-line therapy, 15 patients (78.9%) were refractory, and 4 patients (21.1%) relapsed. After diagnosis of R/R HL, 8 patients (42.1%) received BV, and 17 patients (89.5%) received ICIs. RT was delivered in all 19 patients who failed after BV or ICIs. In 16 efficacy-evaluable patients, the ORR and CR rate were 100% and 100%. The median DOR was 17.2 months (range, 7.9 to 46.7 months). 3 patients progressed at outside of the radiation field. The in-field-response rate was 100%. The 12-month PFS and OS were 84.4% and 100%, respectively. No patients were reported with sever adverse events. CONCLUSION This study concluded that radiotherapy was effective and safe for refractory HL after BV or ICIs. Further prospective studies were warranted.
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Affiliation(s)
- R Zhao
- Department of Radiation Oncology, Fujian Medical University Union Hospital, Fujian Key Laboratory of Intelligent Imaging and Precision Radiotherapy for Tumors (Fujian Medical University), Fuzhou, China
| | - H Shao
- Department of Radiation Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Guang Zhou, China
| | - G Shi
- Department of Radiation Oncology, Fujian Medical University Union Hospital, Fujian Key Laboratory of Intelligent Imaging and Precision Radiotherapy for Tumors (Fujian Medical University), Fuzhou, China
| | - Y Qiu
- Department of Hematology, Fujian Medical University Union Hospital, Fujian Institute of Hematology, Fujian Provincial Key Laboratory on Hematology, Fuzhou, China
| | - T Tang
- Department of Radiation Oncology, Affiliated Union Hospital of Fujian Medical University, Fuzhou, China
| | - Y Lin
- Department of Radiation Oncology, Fujian Medical University Union Hospital, Fuzhou, China
| | - S Chen
- Department of Radiation Oncology, Fujian Medical University Union Hospital, Fujian Key Laboratory of Intelligent Imaging and Precision Radiotherapy for Tumors (Fujian Medical University), Fuzhou, China
| | - C Huang
- Department of Radiation Oncology, Fujian Medical University Union Hospital, Fujian Key Laboratory of Intelligent Imaging and Precision Radiotherapy for Tumors (Fujian Medical University), Fuzhou, China
| | - S Liao
- Department of PET/CT Center, Fujian Medical University Union Hospital, Fuzhou, China
| | - J Chen
- Follow-Up Center, Fujian Medical University Union Hospital, Fuzhou, China
| | - H Fu
- Department of Hematology, The Third Affiliated People's Hospital of Fujian University of Traditional Chinese Medicine, The Third People's Hospital of Fujian Province, Fuzhou, China
| | - J Liu
- Department of Otorhinolaryngology, Fujian Medical University Union Hospital, Fuzhou, China
| | - J Shen
- Department of Hematology, Fujian Medical University Union Hospital, Fujian Institute of Hematology, Fujian Provincial Key Laboratory on Hematology, Fuzhou, China
| | - T Liu
- Department of Hematology, Fujian Medical University Union Hospital, Fujian Institute of Hematology, Fujian Provincial Key Laboratory on Hematology, Fuzhou, China
| | - B Xu
- Fujian Key Laboratory of Intelligent Imaging and Precision Radiotherapy for Tumors (Fujian Medical University), Fuzhou, China
| | - Y Zhang
- Sun Yat Sen University Cancer Hospital, Guandzhou, Guangdong, China
| | - Y Yang
- Fujian Key Laboratory of Intelligent Imaging and Precision Radiotherapy for Tumors (Fujian Medical University), Fuzhou, China
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He W, Yang L, Wang Q, Yu WJ, Liao S, Liu Y, Zhong B, Luo ZH, Wang Q. [Prevalence of Echinococcus infection in small mammals captured from Shiqu County, Sichuan Province from 2015 to 2020]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2023; 34:611-615. [PMID: 36642901 DOI: 10.16250/j.32.1374.2022089] [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: 01/17/2023]
Abstract
OBJECTIVE To investigate the prevalence of Echinococcus infection in small mammals in Shiqu County, Sichuan Province from 2015 to 2020, so as to provide insights into echinococcosis control in Shiqu County. METHODS One setting with frequent activity of small mammals was sampled as the survey site from each of 9 townships where human alveolar echinococcosis was hyperendemic, in Shiqu County, Sichuan Province from 2015 to 2020. Two quadrats measuring 50 m × 50 m were assigned in each survey site during the period between July and August from 2015 to 2020 to capture all small mammals in quadrats, and the species of small mammals were identified by morphological characteristics. All captured small mammals were dissected in the field and Echinococcus infection was identified by visual examinations. The affected organs of Echinococcus - infected small mammals were collected, and Echinococcus infection was detected using PCR assay, with Echinococcus species characterized. The prevalence of Echinococcus infection was calculated in small mammals, and the trends in the prevalence of Echinococcus infection were analyzed during the period from 2015 to 2020. In addition, the prevalence of Echinococcus infection was compared in small mammals using visual examinations and PCR assay. RESULTS A total of 2 692 small mammals were captured in the survey sites of Shiqu County from 2015 to 2020, and morphology characterized 1 360 Microtus fuscus (50.52%) and 1 332 Plateau pika (49.48%). The prevalence rates of Echinococcus infection were 35.63%, 19.16%, 21.41%, 8.40%, 7.68% and 4.44% by visual examinations and 18.96%, 5.36%, 5.61%, 4.58%, 3.30% and 0.37% by PCR assay in small mammals in Shiqu County from 2015 to 2020, both showing a tendency towards a decline year by year (χ2 = 215.024 and 117.045, both P values < 0.001). The prevalence of Echinococcus infection was significantly higher in small mammals by visual examinations than by PCR assay during the period from 2015 to 2020 except in 2018 (χ2= 33.597, 21.815, 51.373, 17.268 and 9.537, all P values < 0.01). PCR assay detected a reduction in the prevalence of E. multilocularis infection from 10.21% to 0.37% and a reduction in the prevalence of E. shiquicus infection from 8.75% to 0 in small mammals in Shiqu County from 2015 to 2020, both appearing a tendency towards a decline year by year (χ2 = 117.045 and 43.436, both P values < 0.001). In addition, the prevalence of E. multilocularis and E. shiquicus infections reduced from 15.19% to 0.45% and from 8.23% to 0 in M. fuscus, and the prevalence of E. multilocularis and E. shiquicus infections reduced from 7.76% to 0 and from 9.01% to 0 in P. pika in Shiqu County from 2015 to 2020. CONCLUSIONS M. fuscus and P. pika were dominant species of small mammals in Shiqu County, Sichuan Province from 2015 to 2020, and E. multilocularis infection was mainly found in M. fuscus and E. shiquicus infection mainly found in P. pika. The prevalence of Echinococcus infection appeared a tendency towards a decline in both M. fuscus and P. pika year by year during the period from 2015 to 2020.
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Affiliation(s)
- W He
- Institute of Parasitic Diseases, Sichuan Provincial Center for Disease Control and Pretention, Chengdu, Sichuan 610041, China
| | - L Yang
- Institute of Parasitic Diseases, Sichuan Provincial Center for Disease Control and Pretention, Chengdu, Sichuan 610041, China
| | - Q Wang
- Institute of Parasitic Diseases, Sichuan Provincial Center for Disease Control and Pretention, Chengdu, Sichuan 610041, China
| | - W J Yu
- Institute of Parasitic Diseases, Sichuan Provincial Center for Disease Control and Pretention, Chengdu, Sichuan 610041, China
| | - S Liao
- Institute of Parasitic Diseases, Sichuan Provincial Center for Disease Control and Pretention, Chengdu, Sichuan 610041, China
| | - Y Liu
- Institute of Parasitic Diseases, Sichuan Provincial Center for Disease Control and Pretention, Chengdu, Sichuan 610041, China
| | - B Zhong
- Institute of Parasitic Diseases, Sichuan Provincial Center for Disease Control and Pretention, Chengdu, Sichuan 610041, China
| | - Z H Luo
- Tibet Autonomous Region Centre for Disease Control and Prevention, China
| | - Q Wang
- Institute of Parasitic Diseases, Sichuan Provincial Center for Disease Control and Pretention, Chengdu, Sichuan 610041, China
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Wang J, Si H, Liu Y, Song J, Wang P, Luo H, Chen S, Fan G, Rao X, Wang Z, Liao S. Experimental evaluation and structure-activity relationship analysis of bridged-ring terpenoid derivatives as novel Blattella germanica repellent. SAR QSAR Environ Res 2022; 33:969-986. [PMID: 36548121 DOI: 10.1080/1062936x.2022.2154838] [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: 08/22/2022] [Accepted: 11/26/2022] [Indexed: 06/17/2023]
Abstract
Cockroaches are urban pests that are very difficult to control. Using repellents is a green, safe and effective strategy for their control. In order to find novel cockroach repellents, the repellent activity of 45 bridged-ring terpenoid derivatives synthesized from β-pinene against Blattella germanica was tested. The relationship between the molecular structure of these bridged-ring terpenoid derivatives and their repellent activity against Blattella germanica was also analysed. The results show that some of the bridged-ring terpenoid derivatives exhibit good repellent activity against Blattella germanica, and six compounds (RR = 60.44-87.32%) show higher repellent activity against Blattella germanica than DEET (RR = 54.77%), making them promising for development as new cockroach repellents. Quantitative structure-activity relationship (QSAR) analysis revealed that the HOMO-1 energy, Kier and Hall index (order 2), Balaban index, and relative positive charged surface area of bridged-ring terpenoid derivatives have effects on repellent activity against Blattella germanica. The present study may provide a theoretical basis for the high-value use of β-pinene and can be helpful to the development of novel repellents against Blattella germanica.
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Affiliation(s)
- J Wang
- East China Woody Fragrance and Flavor Engineering Research Center, National Forestry and Grassland Administration, College of Forestry, Jiangxi Agricultural University, Nanchang, China
- Camphor Engineering Research Center of National Forestry and Grassland Administration, College of Forestry, Jiangxi Agricultural University, Nanchang, China
| | - H Si
- East China Woody Fragrance and Flavor Engineering Research Center, National Forestry and Grassland Administration, College of Forestry, Jiangxi Agricultural University, Nanchang, China
- Camphor Engineering Research Center of National Forestry and Grassland Administration, College of Forestry, Jiangxi Agricultural University, Nanchang, China
| | - Y Liu
- Hydrology and Water Resources Monitoring Center, Lower Reaches of the Ganjiang River, Yichun, China
| | - J Song
- Department of Natural Sciences, University of Michigan-Flint, Flint, Michigan, USA
| | - P Wang
- East China Woody Fragrance and Flavor Engineering Research Center, National Forestry and Grassland Administration, College of Forestry, Jiangxi Agricultural University, Nanchang, China
- Camphor Engineering Research Center of National Forestry and Grassland Administration, College of Forestry, Jiangxi Agricultural University, Nanchang, China
| | - H Luo
- East China Woody Fragrance and Flavor Engineering Research Center, National Forestry and Grassland Administration, College of Forestry, Jiangxi Agricultural University, Nanchang, China
- Camphor Engineering Research Center of National Forestry and Grassland Administration, College of Forestry, Jiangxi Agricultural University, Nanchang, China
| | - S Chen
- East China Woody Fragrance and Flavor Engineering Research Center, National Forestry and Grassland Administration, College of Forestry, Jiangxi Agricultural University, Nanchang, China
- Camphor Engineering Research Center of National Forestry and Grassland Administration, College of Forestry, Jiangxi Agricultural University, Nanchang, China
| | - G Fan
- East China Woody Fragrance and Flavor Engineering Research Center, National Forestry and Grassland Administration, College of Forestry, Jiangxi Agricultural University, Nanchang, China
- Camphor Engineering Research Center of National Forestry and Grassland Administration, College of Forestry, Jiangxi Agricultural University, Nanchang, China
| | - X Rao
- College of Chemical Engineering, Huaqiao University, Xiamen, China
| | - Z Wang
- East China Woody Fragrance and Flavor Engineering Research Center, National Forestry and Grassland Administration, College of Forestry, Jiangxi Agricultural University, Nanchang, China
- Camphor Engineering Research Center of National Forestry and Grassland Administration, College of Forestry, Jiangxi Agricultural University, Nanchang, China
| | - S Liao
- East China Woody Fragrance and Flavor Engineering Research Center, National Forestry and Grassland Administration, College of Forestry, Jiangxi Agricultural University, Nanchang, China
- Camphor Engineering Research Center of National Forestry and Grassland Administration, College of Forestry, Jiangxi Agricultural University, Nanchang, China
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Huang LL, Chen HF, Huang Y, Wei YN, Tong JR, Chen Y, Luo J, Liao S, Wei LL, Deng L, Su JY. Analysis results of 579 cases of genomic copy number variation sequencing of pregnant women in prenatal diagnosis. Eur Rev Med Pharmacol Sci 2022; 26:7572-7579. [PMID: 36314329 DOI: 10.26355/eurrev_202210_30032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
OBJECTIVE This study explored the usefulness of genomic copy number variation sequencing (CNV-Seq) in the prenatal diagnosis of pregnant women. PATIENTS AND METHODS Based on prenatal diagnostic indications, CNV-Seq analysis was done in the samples from the 579 pregnant women of the 7 subgroups that included advanced maternal age (group A), high risk noninvasive prenatal test (NIPT) (group B), high risk Down's (Group C), abnormal ultrasound findings (Group D), adverse pregnancy history (Group E), chromosome abnormalities in couples (Group F), and the mixed group (Group G). RESULTS A total of 57 (9.84%) cases have abnormal CNV-Seq results. Among them, 21 cases were aneuploid chromosomal number abnormalities (3.63%, 21/579), and 36 cases were CNV abnormalities (6.22%, 36/579), including 7 cases of pathogenic copy number alteration (pCNA) (1.21%, 7/579) and 29 cases variants of uncertain significance (VUS) (5.01%, 29/579). The total detection rates of abnormal CNV-Seq in Group G and Group B were 20.27% (15/74) and 15.91% (14/88), which were significantly higher than those in other groups (p < 0.05). Among 36 cases of abnormal CNV-Seq, 7 cases were chromosome fragment deletion or duplication, which were pathogenic CNV, and some rare chromosomal diseases were detected. CONCLUSIONS Patients with a high risk of NIPT or multiple indications of prenatal diagnosis are highly suspected of chromosomal diseases. CNV-Seq is a useful tool for detecting chromosome abnormalities for prenatal diagnosis of pregnant women more accurately and provides more comprehensive information for prenatal diagnosis to reduce birth defects.
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Affiliation(s)
- L-L Huang
- Department of Obstetrics, the Second Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi.
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Lu S, Liang J, Liao S, Wu D, Wu F, Li H. Use of MRI signal intensity ratio to differentiate between autoimmune pancreatitis and pancreatic ductal adenocarcinoma. Clin Radiol 2021; 77:e84-e91. [PMID: 34756699 DOI: 10.1016/j.crad.2021.10.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 10/01/2021] [Indexed: 11/03/2022]
Abstract
AIM To evaluate the accuracy of the lesion-to-erector spinae signal intensity ratio (SIR) on magnetic resonance imaging (MRI) for distinguishing autoimmune pancreatitis (AIP) from pancreatic ductal adenocarcinoma (PDA). MATERIALS AND METHODS The MRI data of 21 patients with AIP and 27 patients with PDA were analysed retrospectively, and the signal intensity in pancreatic lesions and erector spinae muscles at the same level on T2-weighted imaging (T2WI), arterial phase (AP) imaging, and delayed phase (DP) imaging was measured for calculation of SIRs. RESULTS The mean SIRs of the pancreatic lesions and erector spinae from T2WI, AP, and DP images of AIP patients were 0.96, 1.27, and 1.42, respectively, while those of PDA patients were 1.35, 0.80, and 0.91, respectively. The differences in the SIRs between the AIP and PDA groups were statistically significant (p<0.001), with corresponding area under curve (AUC) values of 0.925, 0.906, and 0.961, respectively. The optimal cut-off values for the SIRs on T2WI, AP and DP images were 1.21, 1.01, and 1.08, respectively. SIR values < 1.21 on T2WI, >1.01 on AP imaging, and >1.08 on DP imaging identified AIP with sensitivities of 85.7%, 90.5%, and 90.5%, respectively, and specificities of 81.5%, 74.6%, and 81.5%, respectively. The AUC values for SIRs did not differ significantly between T2WI and DP imaging or AP and DP imaging (Z = 0.778, p=0.436; Z = 1.279, p=0.201). CONCLUSION The SIRs of pancreatic lesions and erector spinae on T2WI, AP, and DP images can be used to differentiate AIP from PDA.
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Affiliation(s)
- S Lu
- Department of Radiology, The First Affiliated Hospital of Jinan University, Guangzhou, 510630, China; Department of Radiology, The First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, China
| | - J Liang
- Department of Radiology, Shenzhen Baoan Hospital, Southern Medical University, Shenzhen, 518101, China
| | - S Liao
- Department of Radiology, The First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, China
| | - D Wu
- Department of Radiology, The First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, China
| | - F Wu
- Department of Radiology, The First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, China
| | - H Li
- Department of Radiology, The First Affiliated Hospital of Jinan University, Guangzhou, 510630, China.
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9
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Chen X, Li J, Yang Y, Yao Z, Tu Z, Liao S, Zhu Q, Li P. Suprafascial plane endoscopy versus open carpal tunnel release for idiopathic carpal tunnel syndrome: Use of the Accordion Severity Grading System. Hand Surg Rehabil 2021; 41:113-118. [PMID: 34774842 DOI: 10.1016/j.hansur.2021.11.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Revised: 07/03/2021] [Accepted: 11/04/2021] [Indexed: 12/31/2022]
Abstract
This study aimed to assess the safety and effectiveness of modified endoscopic technique with a single portal from an external carpal tunnel approach for surgical operations in a suprafascial plane superficial to the transverse carpal ligament. Reversible nerve injury risk is threefold greater with a conventional endoscopic method than with open carpal tunnel release (OCTR), and this suprafascial plane endoscopic release (SPER) should circumvent the problem of hardware in the carpal tunnel encountered with the conventional endoscopic method and liable to cause iatrogenic damage to the median nerve. However, the surgical consequences of the new technique have not been studied. To fill this gap, a retrospective therapeutic study was conducted to compare negative outcomes versus open surgery. The Accordion Severity Grading System was used to grade complications from 0 to 3 according to necessity of treatment. Sequela and failure rates were also compared between the SPER and OCTR groups. Eighty-eight cases in 72 patients with idiopathic carpal tunnel syndrome (ICTS) met the inclusion criteria. SPER was performed in 28 hands in 27 patients, and OCTR in 60 hands in 49 patients. The results showed no significant difference in complication, sequela, or failure rates between groups (p > 0.05). Suprafascial plane endoscopic release, has certain advantages over the open method and was validated as a safe and effective method of treating ICTS.
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Affiliation(s)
- X Chen
- Department of Microsurgery, Orthopedic Trauma and Hand Surgery, First Affiliated Hospital, Sun Yat-sen University, 58 Zhongshan Road II, Guangzhou, China; Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, Orthopaedic Research Institute, First Affiliated Hospital, Sun Yat-sen University, 58 Zhongshan Road II, Guangzhou, China
| | - J Li
- Department of Microsurgery, Orthopedic Trauma and Hand Surgery, First Affiliated Hospital, Sun Yat-sen University, 58 Zhongshan Road II, Guangzhou, China
| | - Y Yang
- Department of Microsurgery, Orthopedic Trauma and Hand Surgery, First Affiliated Hospital, Sun Yat-sen University, 58 Zhongshan Road II, Guangzhou, China
| | - Z Yao
- Department of Microsurgery, Orthopedic Trauma and Hand Surgery, First Affiliated Hospital, Sun Yat-sen University, 58 Zhongshan Road II, Guangzhou, China
| | - Z Tu
- Department of Microsurgery, Orthopedic Trauma and Hand Surgery, First Affiliated Hospital, Sun Yat-sen University, 58 Zhongshan Road II, Guangzhou, China
| | - S Liao
- Department of Neurology, The First Affiliated Hospital, Sun Yat-sen University, 58 Zhongshan Road II, Guangzhou, China
| | - Q Zhu
- Department of Microsurgery, Orthopedic Trauma and Hand Surgery, First Affiliated Hospital, Sun Yat-sen University, 58 Zhongshan Road II, Guangzhou, China; Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, Orthopaedic Research Institute, First Affiliated Hospital, Sun Yat-sen University, 58 Zhongshan Road II, Guangzhou, China.
| | - P Li
- Department of Microsurgery, Orthopedic Trauma and Hand Surgery, First Affiliated Hospital, Sun Yat-sen University, 58 Zhongshan Road II, Guangzhou, China.
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Lin Y, Zhang J, Liao X, Zhang Y, Luo M, Li Q, Xie M, Liang C, Liao S, Zheng Y, Hu X, Huang M, Liang R, Li Y. 449P Homologous recombination repair gene mutations predict the efficacy of immune checkpoint inhibitors therapy in colorectal cancer. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.970] [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: 10/20/2022] Open
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11
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Chen Y, Hong X, Liu L, Zhan Z, Li X, Pu C, Chen S, Liao S. [Anatomy of the deep circumflex iliac artery perforators and reconstruction of complex mandibular defects with chimeric deep circumflex iliac artery perforator flap]. Nan Fang Yi Ke Da Xue Xue Bao 2021; 41:754-759. [PMID: 34134964 DOI: 10.12122/j.issn.1673-4254.2021.05.17] [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: 11/24/2022]
Abstract
OBJECTIVE To investigate the anatomy of the perforator vessels of the deep circumflex iliac artery (DCIA) and the techniques for repairing mandibular complex defect using chimeric deep circumflex iliac artery perforator flap (DCIAPF). OBJECTIVE We analyzed the origin, distribution, number and courses of the perforator vessels of the DCIA, and measured the outside diameters of the vessels at the origin in 6 adult cadaveric specimens (12 sides) with latex perfusion. From July, 2018 to September, 2019, based on the results of anatomical study and imaging findings and using the digital surgical guide plate, we harvested DCIAPF from 4 patients for repairing mandibular body or angle defects and oral soft tissue defects. OBJECTIVE The perforating vessels of the DCIA included abdominal muscular branches, osteomusculocutaneous branches and terminal musculocutaneous branches. The abdominal muscle branches originated from the DCIA inguinal segment in 4 and from both the inguinal and iliac segments in 2 of the specimens. The osteomusculocutaneous branches all originated from the internal iliac crest in 75% and from both the inguinal and internal iliac crest segments in 25% of cases; the inguinal segment gave rise to only one perforating branch. The number of the musculocutaneous perforating branches was 1 (58.3%) or 2 (41.7%). In the 4 patients undergoing mandibular reconstruction, the DCIAPF survived in all cases with good recovery of the donor site wound. Satisfactory facial appearance with good oral morphology and occlusal relationship was achieved at 1 month postoperatively in all the patients. None of the patients experienced obvious functional abnormalities at the donor site, and imaging examination confirmed successful reconstruction of the oromandibular defects in all the cases. OBJECTIVE A good understanding of the anatomic characteristics of the perforator vessels of the DCIA combined with imaging examinations and digital surgery technology facilitates the harvest of DCIAPF for repairing mandibular body or angle defects complicated by oral soft tissue defects.
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Affiliation(s)
- Y Chen
- Department of Stomatology, First Affiliated Hospital of Bengbu Medical College, Bengbu 233004, China
| | - X Hong
- Department of Stomatology, First Affiliated Hospital of Bengbu Medical College, Bengbu 233004, China
| | - L Liu
- Department of Stomatology, First Affiliated Hospital of Bengbu Medical College, Bengbu 233004, China
| | - Z Zhan
- Department of Stomatology, First Affiliated Hospital of Bengbu Medical College, Bengbu 233004, China
| | - X Li
- Department of Stomatology, First Affiliated Hospital of Bengbu Medical College, Bengbu 233004, China
| | - C Pu
- Department of Ultrasonic Medicine, First Affiliated Hospital of Bengbu Medical College, Bengbu 233004, China
| | - S Chen
- Department of Anatomy, Bengbu Medical College, Bengbu 233030, China
| | - S Liao
- Department of Stomatology, First Affiliated Hospital of Bengbu Medical College, Bengbu 233004, China
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12
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Wang D, Gao T, Liu L, Chen Y, Liao S, Xu T, Zhang K. Thin superficial inferior epigastric artery perforator flap for reconstruction of the tongue. Br J Oral Maxillofac Surg 2020; 58:992-996. [PMID: 32591211 DOI: 10.1016/j.bjoms.2020.05.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Accepted: 05/11/2020] [Indexed: 02/08/2023]
Abstract
The superficial inferior epigastric artery (SIEA) flap is widely used in the repair of large soft tissue defects of the extremities and in breast reconstruction. Because of the high fat content of the abdomen, it has been less used for glossectomy reconstruction. Here we present a series of seven patients who each underwent reconstruction with a thin SIEA flap after resection of the tongue. There were six men and one woman (mean age 48, range 24-66 years). All patients underwent preoperative computed tomographic (CT) angiography, and colour Doppler ultrasound (US) was used to select and map the most suitable SIEA. The flap was raised above the Scarpa's layer while adjusted the plane of dissection according to the specific needs for bulk in each case. All the flaps survived; one flap required a secondary anastomosis because of a venous anastomotic embolus. The size of flap used was 5.0cm×6.0cm - 7.0cm×9.0cm, and the flap was 0.8cm-1.4cm thick. The functional outcome was evaluated at 6 - 18 months follow up, when speech and swallowing were both good in all cases. The dissection above the pubic symphysis is an important refinement of the SIEA flap, and we conclude that the thin SIEA flap is a good choice for reconstruction after excision of cancer of the tongue.
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Affiliation(s)
- D Wang
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - T Gao
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - L Liu
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - Y Chen
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - S Liao
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - T Xu
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - K Zhang
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Bengbu Medical College, Bengbu, China.
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13
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Clarke AL, Stephens AF, Liao S, Byrne TJ, Gregory SD. Coping with COVID-19: ventilator splitting with differential driving pressures using standard hospital equipment. Anaesthesia 2020; 75:872-880. [PMID: 32271942 PMCID: PMC7262199 DOI: 10.1111/anae.15078] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/05/2020] [Indexed: 12/01/2022]
Abstract
The global COVID‐19 pandemic has led to a worldwide shortage of ventilators. This shortage has initiated discussions on how to support multiple patients with a single ventilator (ventilator splitting). Ventilator splitting is incompletely tested, experimental and the effects have not been fully characterised. This study investigated the effect of ventilator splitting on system variables (inspiratory pressure, flow and volume) and the possibility of different ventilation targets for each limb using only standard hospital equipment. Experiments were conducted on two test lungs with different compliances (0.02 l.cmH2O−1 and 0.04 l.cmH2O−1). The ventilator was used in both pressure and volume control modes and was set to ventilate the low compliance lungs at end‐tidal volumes of 500 ± 20 ml. A flow restrictor apparatus consisting of a Hoffman clamp and tracheal tube was connected in series to the inspiratory limb of the high compliance test lungs and the resistance modified to achieve end‐tidal volumes of 500 ± 20 ml. The restriction apparatus successfully modified the inspiratory pressure, minute ventilation and volume delivered to the high compliance test lungs in both pressure control (27.3–17.8 cmH2O, 15.2–8.0 l.min−1 and 980–499 ml, respectively) and volume control (21.0–16.7 cmH2O, 10.7–7.9 l.min−1 and 659–498 ml, respectively) ventilation modes. Ventilator splitting is not condoned by the authors. However, these experiments demonstrate the capacity to simultaneously ventilate two test lungs of different compliances, and using only standard hospital equipment, modify the delivered pressure, flow and volume in each test lung.
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Affiliation(s)
- A L Clarke
- Department of Anaesthesia, Royal Women's Hospital, Melbourne, Vic., Australia
| | - A F Stephens
- Department of Mechanical and Aerospace Engineering, Monash University, Melbourne, Vic., Australia
| | - S Liao
- Department of Mechanical and Aerospace Engineering, Monash University, Melbourne, Vic., Australia
| | - T J Byrne
- Department of Intensive Care and Hyperbaric Medicine, Alfred Hospital, Melbourne, Vic., Australia
| | - S D Gregory
- Department of Mechanical and Aerospace Engineering, Monash University, Melbourne, Vic., Australia
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14
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LaRivière WB, Liao S, McMurtry SA, Oshima K, Han X, Zhang F, Yan S, Haeger SM, Ransom M, Bastarache JA, Linhardt RJ, Schmidt EP, Yang Y. Alveolar heparan sulfate shedding impedes recovery from bleomycin-induced lung injury. Am J Physiol Lung Cell Mol Physiol 2020; 318:L1198-L1210. [PMID: 32320623 DOI: 10.1152/ajplung.00063.2020] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
The pulmonary epithelial glycocalyx, an anionic cell surface layer enriched in glycosaminoglycans such as heparan sulfate and chondroitin sulfate, contributes to the alveolar barrier. Direct injury to the pulmonary epithelium induces shedding of heparan sulfate into the air space; the impact of this shedding on recovery after lung injury is unknown. Using mass spectrometry, we found that heparan sulfate was shed into the air space for up to 3 wk after intratracheal bleomycin-induced lung injury and coincided with induction of matrix metalloproteinases (MMPs), including MMP2. Delayed inhibition of metalloproteinases, beginning 7 days after bleomycin using the nonspecific MMP inhibitor doxycycline, attenuated heparan sulfate shedding and improved lung function, suggesting that heparan sulfate shedding may impair lung recovery. While we also observed an increase in air space heparanase activity after bleomycin, pharmacological and transgenic inhibition of heparanase in vivo failed to attenuate heparan sulfate shedding or protect against bleomycin-induced lung injury. However, experimental augmentation of airway heparanase activity significantly worsened post-bleomycin outcomes, confirming the importance of epithelial glycocalyx integrity to lung recovery. We hypothesized that MMP-associated heparan sulfate shedding contributed to delayed lung recovery, in part, by the release of large, highly sulfated fragments that sequestered lung-reparative growth factors such as hepatocyte growth factor. In vitro, heparan sulfate bound hepatocyte growth factor and attenuated growth factor signaling, suggesting that heparan sulfate shed into the air space after injury may directly impair lung repair. Accordingly, administration of exogenous heparan sulfate to mice after bleomycin injury increased the likelihood of death due to severe lung dysfunction. Together, our findings demonstrate that alveolar epithelial heparan sulfate shedding impedes lung recovery after bleomycin.
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Affiliation(s)
- W B LaRivière
- Medical Scientist Training Program, University of Colorado School of Medicine, Aurora, Colorado.,Department of Pharmacology, University of Colorado School of Medicine, Aurora, Colorado.,Department of Medicine, University of Colorado School of Medicine, Aurora, Colorado
| | - S Liao
- Department of Medicine, University of Colorado School of Medicine, Aurora, Colorado
| | - S A McMurtry
- Department of Medicine, University of Colorado School of Medicine, Aurora, Colorado
| | - K Oshima
- Department of Medicine, University of Colorado School of Medicine, Aurora, Colorado
| | - X Han
- Department of Chemistry, Rensselaer Polytechnic Institute, Troy, New York
| | - F Zhang
- Department of Chemistry, Rensselaer Polytechnic Institute, Troy, New York
| | - S Yan
- Department of Medicine, University of Colorado School of Medicine, Aurora, Colorado.,College of Life Sciences, Henan Normal University, Xinxiang, China
| | - S M Haeger
- Medical Scientist Training Program, University of Colorado School of Medicine, Aurora, Colorado.,Department of Pharmacology, University of Colorado School of Medicine, Aurora, Colorado.,Department of Medicine, University of Colorado School of Medicine, Aurora, Colorado
| | - M Ransom
- Department of Medicine, University of Colorado School of Medicine, Aurora, Colorado
| | - J A Bastarache
- Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - R J Linhardt
- Department of Chemistry, Rensselaer Polytechnic Institute, Troy, New York
| | - E P Schmidt
- Department of Pharmacology, University of Colorado School of Medicine, Aurora, Colorado.,Department of Medicine, University of Colorado School of Medicine, Aurora, Colorado.,Department of Medicine, Denver Health Medical Center, Denver, Colorado
| | - Y Yang
- Department of Medicine, University of Colorado School of Medicine, Aurora, Colorado
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15
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Li X, Wang D, Liao S, Guo L, Xiao X, Liu X, Xu Y, Hua J, Pillai JJ, Wu Y. Discrimination between Glioblastoma and Solitary Brain Metastasis: Comparison of Inflow-Based Vascular-Space-Occupancy and Dynamic Susceptibility Contrast MR Imaging. AJNR Am J Neuroradiol 2020; 41:583-590. [PMID: 32139428 DOI: 10.3174/ajnr.a6466] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Accepted: 02/03/2020] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE Accurate differentiation between glioblastoma and solitary brain metastasis is of vital importance clinically. This study aimed to investigate the potential value of the inflow-based vascular-space-occupancy MR imaging technique, which has no need for an exogenous contrast agent, in differentiating glioblastoma and solitary brain metastasis and to compare it with DSC MR imaging. MATERIALS AND METHODS Twenty patients with glioblastoma and 22 patients with solitary brain metastasis underwent inflow-based vascular-space-occupancy and DSC MR imaging with a 3T clinical scanner. Two neuroradiologists independently measured the maximum inflow-based vascular-space-occupancy-derived arteriolar CBV and DSC-derived CBV values in intratumoral regions and peritumoral T2-hyperintense regions, which were normalized to the contralateral white matter (relative arteriolar CBV and relative CBV, inflow-based vascular-space-occupancy relative arteriolar CBV, and DSC-relative CBV). The intraclass correlation coefficient, Student t test, or Mann-Whitney U test and receiver operating characteristic analysis were performed. RESULTS All parameters of both regions had good or excellent interobserver reliability (0.74∼0.89). In peritumoral T2-hyperintese regions, DSC-relative CBV (P < .001), inflow-based vascular-space-occupancy arteriolar CBV (P = .001), and relative arteriolar CBV (P = .005) were significantly higher in glioblastoma than in solitary brain metastasis, with areas under the curve of 0.94, 0.83, and 0.72 for discrimination, respectively. In the intratumoral region, both inflow-based vascular-space-occupancy arteriolar CBV and relative arteriolar CBV were significantly higher in glioblastoma than in solitary brain metastasis (both P < .001), with areas under the curve of 0.91 and 0.90, respectively. Intratumoral DSC-relative CBV showed no significant difference (P = .616) between the 2 groups. CONCLUSIONS Inflow-based vascular-space-occupancy has the potential to discriminate glioblastoma from solitary brain metastasis, especially in the intratumoral region.
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Affiliation(s)
- X Li
- From the Department of Medical Imaging (X. Li, S.L., L.G., X.X., X. Liu, Y.X., Y.W.), Nanfang Hospital, Southern Medical University, Guangzhou, P.R. China
| | - D Wang
- School of Biomedical Engineering (D.W.), Shanghai Jiao Tong University, Shanghai, P.R. China
| | - S Liao
- From the Department of Medical Imaging (X. Li, S.L., L.G., X.X., X. Liu, Y.X., Y.W.), Nanfang Hospital, Southern Medical University, Guangzhou, P.R. China
- Division of CT and MR, Radiology Department (S.L.), First Affiliated Hospital of Gannan Medical University, Ganzhou, P.R. China
| | - L Guo
- From the Department of Medical Imaging (X. Li, S.L., L.G., X.X., X. Liu, Y.X., Y.W.), Nanfang Hospital, Southern Medical University, Guangzhou, P.R. China
| | - X Xiao
- From the Department of Medical Imaging (X. Li, S.L., L.G., X.X., X. Liu, Y.X., Y.W.), Nanfang Hospital, Southern Medical University, Guangzhou, P.R. China
| | - X Liu
- From the Department of Medical Imaging (X. Li, S.L., L.G., X.X., X. Liu, Y.X., Y.W.), Nanfang Hospital, Southern Medical University, Guangzhou, P.R. China
| | - Y Xu
- From the Department of Medical Imaging (X. Li, S.L., L.G., X.X., X. Liu, Y.X., Y.W.), Nanfang Hospital, Southern Medical University, Guangzhou, P.R. China
| | - J Hua
- Neurosection, Division of MR Research (J.H.)
- F.M. Kirby Research Center for Functional Brain Imaging (J.H.), Kennedy Krieger Institute, Baltimore, Maryland
| | - J J Pillai
- Division of Neuroradiology (J.P.); Russell H. Morgan Department of Radiology and Radiological Science and
- Department of Neurosurgery (J.P.), Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Y Wu
- From the Department of Medical Imaging (X. Li, S.L., L.G., X.X., X. Liu, Y.X., Y.W.), Nanfang Hospital, Southern Medical University, Guangzhou, P.R. China
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16
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He W, Wang Q, Huang Y, Yu WJ, Zhang GJ, Liao S, Wang Q, Yang L, Chen F, Li RR, Zhong B. [Risk factors of human cystic echinococcosis in Shiqu County Sichuan Province: a case-control study]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2019; 31:486-490. [PMID: 31713376 DOI: 10.16250/j.32.1374.2019003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
OBJECTIVE To identify the main risk factors of human cystic echinococcosis in Shiqu County, Sichuan Province, so as to provide the reference for the formulation of echinococcosis control strategies in Shiqu County. METHODS During the period from November 2015 through June 2017, the patients with cystic echinococcosis (case group) and healthy controls (control group) were randomly sampled from Shiqu County as the study subjects. A questionnaire survey was conducted to capture the study subjects'age, gender, ethnicity, occupation, religion, lifestyle, education level, number of household dogs, bovine and sheep, and density of dog feces in the courtyard. The major risk factors of human cystic echinococcosis were identified using a logistic regression model. RESULTS Univariate logistic regression analysis showed 7 risk factors with statistical significance between the case and control groups, and age, lifestyle, number of household bovine, number of household sheep, number of house-hold dogs, and the density of dog feces in the courtyard were included in the multivariate logistic regression model (OR = 1.026, 4.792, 1.067, 1.022, 1.709 and 1.095, respectively). CONCLUSIONS High age, pastoral nomadic lifestyle, high number of house-hold bovine, high number of household sheep, high number of household dogs and high density of dog feces in the courtyard are strongly associated with the riks of human cystic echinococcosis in Shiqu County.
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Affiliation(s)
- W He
- Institute of Parasitic Diseases, Sichuan Provincial Center for Disease Control and Prevention, Chengdu 610041, China
| | - Q Wang
- Institute of Parasitic Diseases, Sichuan Provincial Center for Disease Control and Prevention, Chengdu 610041, China
| | - Y Huang
- Institute of Parasitic Diseases, Sichuan Provincial Center for Disease Control and Prevention, Chengdu 610041, China
| | - W J Yu
- Institute of Parasitic Diseases, Sichuan Provincial Center for Disease Control and Prevention, Chengdu 610041, China
| | - G J Zhang
- Institute of Parasitic Diseases, Sichuan Provincial Center for Disease Control and Prevention, Chengdu 610041, China
| | - S Liao
- Institute of Parasitic Diseases, Sichuan Provincial Center for Disease Control and Prevention, Chengdu 610041, China
| | - Q Wang
- Institute of Parasitic Diseases, Sichuan Provincial Center for Disease Control and Prevention, Chengdu 610041, China
| | - L Yang
- Institute of Parasitic Diseases, Sichuan Provincial Center for Disease Control and Prevention, Chengdu 610041, China
| | - F Chen
- Institute of Parasitic Diseases, Sichuan Provincial Center for Disease Control and Prevention, Chengdu 610041, China
| | - R R Li
- Institute of Parasitic Diseases, Sichuan Provincial Center for Disease Control and Prevention, Chengdu 610041, China
| | - B Zhong
- Institute of Parasitic Diseases, Sichuan Provincial Center for Disease Control and Prevention, Chengdu 610041, China
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17
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Abstract
In order to study the mechanism of the effect of progesterone receptor on the growth of primary uterine leiomyoma cells, the primary cells were extracted from uterine leiomyoma cells and identified by immunohistochemistry (IHC). Mitochondrial progesterone receptor-positive [PR-M(+)], mitochondrial progesterone receptor-negative [PR-M(-)], progesterone receptor A (PR-A) and progesterone receptor B (PR-B) were screened by Western blotting. Different concentrations of Mifepristone (MIF), a progesterone receptor antagonist, were used to interfere with PR-M(+) and PR-M(-) cell lines, respectively. Proliferation and apoptosis of PR-M(+) and PR-M(-) cell lines were detected by tetramethylazolyl blue method and flow cytometry, respectively. The expression of Caspase-3 and B-cell lymphoma 2 (Bcl-2) protein was detected by Western blotting. The results showed that the growth of PR-M(+) and PR-M(-) uterine leiomyoma cells was inhibited with the increase of MIF concentration. Furthermore, the proliferation inhibition rate and apoptosis rate were gradually increased. However, the expression of Caspase-3 protein on progesterone receptor M increased, while the expression of Bcl-2 decreased. Moreover, progesterone could induce progesterone receptor M to up-regulate apoptotic protein Caspase-3 and down-regulate anti-apoptotic protein Bcl-2, thus it could inhibit the apoptosis of primary cultured uterine leiomyoma cells and promote the proliferation of leiomyoma cells.
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Affiliation(s)
- S Liao
- Department of Gynaecology, The People's Hospital of Putuo, Zhoushan, Zhejiang, China
| | - H N Mi
- Department of Gynaecology, The People's Hospital of Putuo, Zhoushan, Zhejiang, China
| | - L Y Chai
- Department of Gynaecology, The People's Hospital of Putuo, Zhoushan, Zhejiang, China
| | - H N Wang
- Department of Gynaecology, The People's Hospital of Putuo, Zhoushan, Zhejiang, China
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Abstract
In order to study the mechanism of the effect of progesterone receptor on the growth of primary uterine leiomyoma cells, the primary cells were extracted from uterine leiomyoma cells and identified by immunohistochemistry (IHC). Mitochondrial progesterone receptor-positive [PR-M(+)], mitochondrial progesterone receptor-negative [PR-M(-)], progesterone receptor A (PR-A) and progesterone receptor B (PR-B) were screened by Western blotting. Different concentrations of Mifepristone (MIF), a progesterone receptor antagonist, were used to interfere with PR-M(+) and PR-M(-) cell lines, respectively. Proliferation and apoptosis of PR-M(+) and PR-M(-) cell lines were detected by tetramethylazolyl blue method and flow cytometry, respectively. The expression of Caspase-3 and B-cell lymphoma 2 (Bcl-2) protein was detected by Western blotting. The results showed that the growth of PR-M(+) and PR-M(-) uterine leiomyoma cells was inhibited with the increase of MIF concentration. Furthermore, the proliferation inhibition rate and apoptosis rate were gradually increased. However, the expression of Caspase-3 protein on progesterone receptor M increased, while the expression of Bcl-2 decreased. Moreover, progesterone could induce progesterone receptor M to up-regulate apoptotic protein Caspase-3 and down-regulate anti-apoptotic protein Bcl-2, thus it could inhibit the apoptosis of primary cultured uterine leiomyoma cells and promote the proliferation of leiomyoma cells.
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Affiliation(s)
- S Liao
- Department of Gynaecology, The People's Hospital of Putuo, Zhoushan, Zhejiang, China
| | - H N Mi
- Department of Gynaecology, The People's Hospital of Putuo, Zhoushan, Zhejiang, China
| | - L Y Chai
- Department of Gynaecology, The People's Hospital of Putuo, Zhoushan, Zhejiang, China
| | - H N Wang
- Department of Gynaecology, The People's Hospital of Putuo, Zhoushan, Zhejiang, China
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19
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Abstract
SNX27 is a component of the retromer complex essential for the recycling of transmembrane receptors. SNX27 contains the N-terminal Phox (PX) domain that binds inositol 1,3-diphosphate (Ins(1,3)P2) and is important for the SNX27 localization. Here, we determined the crystal structure of human SNX27 PX domain by X-ray crystallography. We found that the sulfate ion is located in the positively charged lipid-binding pocket of the PX domain, which mimics the phospholipid recognition. In addition, we modelled the SNX27-PX-Ins(1,3)P2 complex to better understand the mechanism of Ins(1,3)P2 recognition by the PX domain of SNX27.
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Affiliation(s)
- Y Li
- Hefei National Laboratory for Physical Sciences at the Microscale and School of Life Sciences, University of Science and Technology of China, Hefei, 230027, China.
| | - S Liao
- Hefei National Laboratory for Physical Sciences at the Microscale and School of Life Sciences, University of Science and Technology of China, Hefei, 230027, China.
| | - F Li
- Hefei National Laboratory for Physical Sciences at the Microscale and School of Life Sciences, University of Science and Technology of China, Hefei, 230027, China.
| | - Z Zhu
- Hefei National Laboratory for Physical Sciences at the Microscale and School of Life Sciences, University of Science and Technology of China, Hefei, 230027, China.
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20
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Jhaveri K, Curigliano G, Yap YS, Cresta S, Duhoux FP, Terret C, Takahashi S, Ulaner GA, Kundamal N, Baldoni D, Liao S, Crystal A, Juric D. Abstract PD1-08: Phase 1/1b study of novel oral selective estrogen receptor degrader (SERD) LSZ102 for estrogen receptor-positive (ER+) advanced breast cancer (ABC) with progression on endocrine therapy (ET). Cancer Res 2019. [DOI: 10.1158/1538-7445.sabcs18-pd1-08] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background: LSZ102 is an orally bioavailable SERD that inhibits ER gene transcription, induces receptor degradation, and blocks ER-dependent cell growth in preclinical models. This study is evaluating LSZ102 as a single agent and in combination with the CDK 4/6 inhibitor ribociclib (LEE011) or the PI3K inhibitor alpelisib (BYL719) in patients (pts) with ER+ ABC. The LSZ102 single agent data are presented below; combination data are not discussed.
Methods: In the dose-escalation phase evaluating single-agent LSZ102 (Arm A), pts (age ≥18 years; ECOG PS 0-1) with histologically confirmed ER+ ABC and progression on endocrine therapy (ET) received LSZ102. The starting dose was 200 mg once daily. The primary objective of Arm A was to characterize the safety and tolerability of LSZ102 and identify a recommended dose for expansion (RDE). Secondary objectives included preliminary antitumor activity and pharmacokinetics (PK).
Results: As of January 22, 2018, 57 pts were enrolled to Arm A (LSZ102 200 mg, n=4; 400 mg, n=6; 450 mg fasted, n=15; 450 mg with food, n=6; 600 mg, n=20; 900 mg, n=6). Median age was 60 years, 75% (n=43) of pts had an ECOG PS of 0, 56% (n=32) had received prior fulvestrant, and 58% (n=33) had received prior CDK4/6 inhibitors; median number of prior lines of therapy (all settings) was 6. At data cut-off, 48 pts had discontinued treatment, most (n=45, 94%) due to disease progression. Dose-limiting toxicities across treatment groups included diarrhea (2 pts in the 900-mg group), vomiting (1 pt in the 600-mg group), and AST and ALT elevation (1 pt in the 450-mg with food group). The most common treatment-related adverse events (AEs) in the treatment period were diarrhea (60%), nausea (56%), and vomiting (30%). In the treatment period, treatment-related grade 3 AEs (12%) were infrequent, and there were no such grade 4 events. Six pts (11%) required dose reduction due to AEs (nausea, vomiting or diarrhea); 4/6 of the dose reductions occurred at 900 mg. Preliminary PK assessment showed rapid absorption and dose-proportional increases in LSZ102 exposure; trough concentrations were above the predicted tumorostatic concentrations at doses of ≥400 mg. Based on PK results for the 450-mg fasted and fed cohorts, LSZ102 exposure does not appear to be affected by dosing with a regular meal. Evidence of ER modulation by immunohistochemistry was observed in paired baseline and on-treatment biopsies. 18F-fluoroestradiol positron emission tomography (FES-PET) analysis (n=6) demonstrated abrogation of FES-PET signal for pts in the 450-mg and 600-mg dose groups. Seventeen pts (29.8%) had a best response of stable disease, and 1 pt, who happened to be in the 600-mg group, achieved a partial response.
Conclusion: In heavily pretreated pts, LSZ102 was well tolerated, demonstrated antitumor activity, and achieved effective exposure levels based on PK and pharmacodynamics. Food intake did not appear to significantly alter the PK profile of LSZ102. Dose escalation for LSZ102 in combination with ribociclib or alpelisib is ongoing and will be reported in a future analysis. An update on the recommended single agent dose and schedule will be presented.
Citation Format: Jhaveri K, Curigliano G, Yap Y-S, Cresta S, Duhoux FP, Terret C, Takahashi S, Ulaner GA, Kundamal N, Baldoni D, Liao S, Crystal A, Juric D. Phase 1/1b study of novel oral selective estrogen receptor degrader (SERD) LSZ102 for estrogen receptor-positive (ER+) advanced breast cancer (ABC) with progression on endocrine therapy (ET) [abstract]. In: Proceedings of the 2018 San Antonio Breast Cancer Symposium; 2018 Dec 4-8; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2019;79(4 Suppl):Abstract nr PD1-08.
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Affiliation(s)
- K Jhaveri
- Memorial Sloan Kettering Cancer Center, New York, NY; Univeristy of Milan, Istituto Europeo di Oncologia – IRCCS, Milan, Italy; National Cancer Centre Singapore, Singapore, Singapore; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; Cliniques Universitaires Saint-Luc, Brussels, Belgium; Centre Léon Bérard, Lyon, France; The Cancer Institute Hospital of JFCR, Tokyo, Japan; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Pharma AG, Basel, Switzerland; Novartis Institutes for Biomedical Research, Cambridge, MA; Massachusetts General Hospital, Boston, MA
| | - G Curigliano
- Memorial Sloan Kettering Cancer Center, New York, NY; Univeristy of Milan, Istituto Europeo di Oncologia – IRCCS, Milan, Italy; National Cancer Centre Singapore, Singapore, Singapore; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; Cliniques Universitaires Saint-Luc, Brussels, Belgium; Centre Léon Bérard, Lyon, France; The Cancer Institute Hospital of JFCR, Tokyo, Japan; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Pharma AG, Basel, Switzerland; Novartis Institutes for Biomedical Research, Cambridge, MA; Massachusetts General Hospital, Boston, MA
| | - Y-S Yap
- Memorial Sloan Kettering Cancer Center, New York, NY; Univeristy of Milan, Istituto Europeo di Oncologia – IRCCS, Milan, Italy; National Cancer Centre Singapore, Singapore, Singapore; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; Cliniques Universitaires Saint-Luc, Brussels, Belgium; Centre Léon Bérard, Lyon, France; The Cancer Institute Hospital of JFCR, Tokyo, Japan; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Pharma AG, Basel, Switzerland; Novartis Institutes for Biomedical Research, Cambridge, MA; Massachusetts General Hospital, Boston, MA
| | - S Cresta
- Memorial Sloan Kettering Cancer Center, New York, NY; Univeristy of Milan, Istituto Europeo di Oncologia – IRCCS, Milan, Italy; National Cancer Centre Singapore, Singapore, Singapore; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; Cliniques Universitaires Saint-Luc, Brussels, Belgium; Centre Léon Bérard, Lyon, France; The Cancer Institute Hospital of JFCR, Tokyo, Japan; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Pharma AG, Basel, Switzerland; Novartis Institutes for Biomedical Research, Cambridge, MA; Massachusetts General Hospital, Boston, MA
| | - FP Duhoux
- Memorial Sloan Kettering Cancer Center, New York, NY; Univeristy of Milan, Istituto Europeo di Oncologia – IRCCS, Milan, Italy; National Cancer Centre Singapore, Singapore, Singapore; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; Cliniques Universitaires Saint-Luc, Brussels, Belgium; Centre Léon Bérard, Lyon, France; The Cancer Institute Hospital of JFCR, Tokyo, Japan; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Pharma AG, Basel, Switzerland; Novartis Institutes for Biomedical Research, Cambridge, MA; Massachusetts General Hospital, Boston, MA
| | - C Terret
- Memorial Sloan Kettering Cancer Center, New York, NY; Univeristy of Milan, Istituto Europeo di Oncologia – IRCCS, Milan, Italy; National Cancer Centre Singapore, Singapore, Singapore; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; Cliniques Universitaires Saint-Luc, Brussels, Belgium; Centre Léon Bérard, Lyon, France; The Cancer Institute Hospital of JFCR, Tokyo, Japan; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Pharma AG, Basel, Switzerland; Novartis Institutes for Biomedical Research, Cambridge, MA; Massachusetts General Hospital, Boston, MA
| | - S Takahashi
- Memorial Sloan Kettering Cancer Center, New York, NY; Univeristy of Milan, Istituto Europeo di Oncologia – IRCCS, Milan, Italy; National Cancer Centre Singapore, Singapore, Singapore; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; Cliniques Universitaires Saint-Luc, Brussels, Belgium; Centre Léon Bérard, Lyon, France; The Cancer Institute Hospital of JFCR, Tokyo, Japan; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Pharma AG, Basel, Switzerland; Novartis Institutes for Biomedical Research, Cambridge, MA; Massachusetts General Hospital, Boston, MA
| | - GA Ulaner
- Memorial Sloan Kettering Cancer Center, New York, NY; Univeristy of Milan, Istituto Europeo di Oncologia – IRCCS, Milan, Italy; National Cancer Centre Singapore, Singapore, Singapore; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; Cliniques Universitaires Saint-Luc, Brussels, Belgium; Centre Léon Bérard, Lyon, France; The Cancer Institute Hospital of JFCR, Tokyo, Japan; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Pharma AG, Basel, Switzerland; Novartis Institutes for Biomedical Research, Cambridge, MA; Massachusetts General Hospital, Boston, MA
| | - N Kundamal
- Memorial Sloan Kettering Cancer Center, New York, NY; Univeristy of Milan, Istituto Europeo di Oncologia – IRCCS, Milan, Italy; National Cancer Centre Singapore, Singapore, Singapore; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; Cliniques Universitaires Saint-Luc, Brussels, Belgium; Centre Léon Bérard, Lyon, France; The Cancer Institute Hospital of JFCR, Tokyo, Japan; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Pharma AG, Basel, Switzerland; Novartis Institutes for Biomedical Research, Cambridge, MA; Massachusetts General Hospital, Boston, MA
| | - D Baldoni
- Memorial Sloan Kettering Cancer Center, New York, NY; Univeristy of Milan, Istituto Europeo di Oncologia – IRCCS, Milan, Italy; National Cancer Centre Singapore, Singapore, Singapore; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; Cliniques Universitaires Saint-Luc, Brussels, Belgium; Centre Léon Bérard, Lyon, France; The Cancer Institute Hospital of JFCR, Tokyo, Japan; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Pharma AG, Basel, Switzerland; Novartis Institutes for Biomedical Research, Cambridge, MA; Massachusetts General Hospital, Boston, MA
| | - S Liao
- Memorial Sloan Kettering Cancer Center, New York, NY; Univeristy of Milan, Istituto Europeo di Oncologia – IRCCS, Milan, Italy; National Cancer Centre Singapore, Singapore, Singapore; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; Cliniques Universitaires Saint-Luc, Brussels, Belgium; Centre Léon Bérard, Lyon, France; The Cancer Institute Hospital of JFCR, Tokyo, Japan; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Pharma AG, Basel, Switzerland; Novartis Institutes for Biomedical Research, Cambridge, MA; Massachusetts General Hospital, Boston, MA
| | - A Crystal
- Memorial Sloan Kettering Cancer Center, New York, NY; Univeristy of Milan, Istituto Europeo di Oncologia – IRCCS, Milan, Italy; National Cancer Centre Singapore, Singapore, Singapore; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; Cliniques Universitaires Saint-Luc, Brussels, Belgium; Centre Léon Bérard, Lyon, France; The Cancer Institute Hospital of JFCR, Tokyo, Japan; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Pharma AG, Basel, Switzerland; Novartis Institutes for Biomedical Research, Cambridge, MA; Massachusetts General Hospital, Boston, MA
| | - D Juric
- Memorial Sloan Kettering Cancer Center, New York, NY; Univeristy of Milan, Istituto Europeo di Oncologia – IRCCS, Milan, Italy; National Cancer Centre Singapore, Singapore, Singapore; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; Cliniques Universitaires Saint-Luc, Brussels, Belgium; Centre Léon Bérard, Lyon, France; The Cancer Institute Hospital of JFCR, Tokyo, Japan; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Pharma AG, Basel, Switzerland; Novartis Institutes for Biomedical Research, Cambridge, MA; Massachusetts General Hospital, Boston, MA
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Curigliano G, Cresta S, Yap YS, Juric D, Duhoux FP, Terret C, Takahashi S, Layman RM, Kundamal N, Baldoni D, Liao S, Crystal A, Jhaveri K. Abstract OT1-03-01: Phase 1/1b study of novel oral selective estrogen receptor degrader (SERD) LSZ102 in combination with alpelisib (BYL719) in estrogen receptor-positive (ER+), human epidermal growth factor receptor-2–negative (HER2–) advanced breast cancer (ABC) with progression on endocrine therapy (ET). Cancer Res 2019. [DOI: 10.1158/1538-7445.sabcs18-ot1-03-01] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background: Although ET remains the basis of therapy for ER+, HER2– ABC, treatment resistance frequently occurs. Novel strategies to target the receptor and/or alternative pathways to overcome therapeutic resistance are under investigation. LSZ102 is a novel, orally bioavailable, nonsteroidal SERD. Preclinically, LSZ102 inhibits ER gene transcription, induces receptor degradation, blocks ER-dependent cell growth, and has synergistic activity with the phosphoinositide 3-kinase (PI3K)-alpha inhibitor alpelisib (BYL719). The present study is evaluating the safety and tolerability of LSZ102 plus alpelisib in patients with ER+, HER2– ABC with progression on ET.
Trial Design: This phase 1/1b, open-label study is enrolling ˜18-30 patients (men and women of any menopausal status) in Arm C of the dose-escalation part of the study, which investigates the combination of LSZ102 and alpelisib; additional study arms will investigate LSZ102 as a single agent or in combination with ribociclib. Enrollment in Arm C started after identification of a safe and tolerable single-agent dose for LSZ102. Alpelisib dosing began at 200 mg/day and will not be escalated beyond the maximum tolerated dose (MTD) determined in the alpelisib single-agent arm of study CBYL719X2101 (400 mg/day). Dose escalation of alpelisib in combination with LSZ102 is guided by BLRM and integrates Cycle 1 DLT rates, lower grade and later cycle AE, PK, PD and preliminary activity to identify a recommended dose for expansion (RDE). Patients will receive treatment until disease progression, unacceptable toxicity, or withdrawal of consent. For inclusion in the study, patients must have histologically confirmed ER+, HER2– ABC and disease progression after ET for ABC or recurrence on/within 12 months of completion of adjuvant ET. In the escalation part of the study, patients are eligible regardless of PIK3CA status. Premenopausal women must receive concomitant treatment with a gonadotropin-releasing hormone agonist. Eligible patients must have adequate bone marrow and organ function, Eastern Cooperative Oncology Group performance status of 0 or 1, and have completed and recovered from acute toxicities of radiotherapy and/or prior anticancer therapy. Exclusion criteria include symptomatic central nervous system metastases, clinically significant cardiac disease or impaired cardiac function (including a QT interval corrected for heart rate using Fridericia's formula [QTcF] >460 ms in women or >450 ms in men), uncontrolled diabetes mellitus type II (or type I), and prior treatment with a PI3K inhibitor. The primary objectives are characterization of safety and tolerability for the combination and identification of a recommended dose. Secondary objectives include characterization of pharmacokinetic properties and pharmacodynamic effects. Recruitment for Arm C is ongoing. NCT02734615
Citation Format: Curigliano G, Cresta S, Yap Y-S, Juric D, Duhoux FP, Terret C, Takahashi S, Layman RM, Kundamal N, Baldoni D, Liao S, Crystal A, Jhaveri K. Phase 1/1b study of novel oral selective estrogen receptor degrader (SERD) LSZ102 in combination with alpelisib (BYL719) in estrogen receptor-positive (ER+), human epidermal growth factor receptor-2–negative (HER2–) advanced breast cancer (ABC) with progression on endocrine therapy (ET) [abstract]. In: Proceedings of the 2018 San Antonio Breast Cancer Symposium; 2018 Dec 4-8; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2019;79(4 Suppl):Abstract nr OT1-03-01.
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Affiliation(s)
- G Curigliano
- University of Milan, Istituto Europeo di Oncologia – IRCCS, Milan, Italy; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; National Cancer Centre Singapore, Singapore, Singapore; Massachusetts General Hospital, Boston, MA; Cliniques Universitaires Saint-Luc, Brussels, Belgium; Centre Léon Bérard, Lyon, France; The Cancer Institute Hospital of JFCR, Tokyo, Japan; The University of Texas MD Anderson Cancer Center, Houston, TX; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Pharma AG, Basel, Switzerland; Novartis Institutes for Biomedical Research, Cambridge, MA; Memorial Sloan Kettering Cancer Center, New York, NY
| | - S Cresta
- University of Milan, Istituto Europeo di Oncologia – IRCCS, Milan, Italy; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; National Cancer Centre Singapore, Singapore, Singapore; Massachusetts General Hospital, Boston, MA; Cliniques Universitaires Saint-Luc, Brussels, Belgium; Centre Léon Bérard, Lyon, France; The Cancer Institute Hospital of JFCR, Tokyo, Japan; The University of Texas MD Anderson Cancer Center, Houston, TX; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Pharma AG, Basel, Switzerland; Novartis Institutes for Biomedical Research, Cambridge, MA; Memorial Sloan Kettering Cancer Center, New York, NY
| | - Y-S Yap
- University of Milan, Istituto Europeo di Oncologia – IRCCS, Milan, Italy; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; National Cancer Centre Singapore, Singapore, Singapore; Massachusetts General Hospital, Boston, MA; Cliniques Universitaires Saint-Luc, Brussels, Belgium; Centre Léon Bérard, Lyon, France; The Cancer Institute Hospital of JFCR, Tokyo, Japan; The University of Texas MD Anderson Cancer Center, Houston, TX; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Pharma AG, Basel, Switzerland; Novartis Institutes for Biomedical Research, Cambridge, MA; Memorial Sloan Kettering Cancer Center, New York, NY
| | - D Juric
- University of Milan, Istituto Europeo di Oncologia – IRCCS, Milan, Italy; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; National Cancer Centre Singapore, Singapore, Singapore; Massachusetts General Hospital, Boston, MA; Cliniques Universitaires Saint-Luc, Brussels, Belgium; Centre Léon Bérard, Lyon, France; The Cancer Institute Hospital of JFCR, Tokyo, Japan; The University of Texas MD Anderson Cancer Center, Houston, TX; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Pharma AG, Basel, Switzerland; Novartis Institutes for Biomedical Research, Cambridge, MA; Memorial Sloan Kettering Cancer Center, New York, NY
| | - FP Duhoux
- University of Milan, Istituto Europeo di Oncologia – IRCCS, Milan, Italy; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; National Cancer Centre Singapore, Singapore, Singapore; Massachusetts General Hospital, Boston, MA; Cliniques Universitaires Saint-Luc, Brussels, Belgium; Centre Léon Bérard, Lyon, France; The Cancer Institute Hospital of JFCR, Tokyo, Japan; The University of Texas MD Anderson Cancer Center, Houston, TX; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Pharma AG, Basel, Switzerland; Novartis Institutes for Biomedical Research, Cambridge, MA; Memorial Sloan Kettering Cancer Center, New York, NY
| | - C Terret
- University of Milan, Istituto Europeo di Oncologia – IRCCS, Milan, Italy; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; National Cancer Centre Singapore, Singapore, Singapore; Massachusetts General Hospital, Boston, MA; Cliniques Universitaires Saint-Luc, Brussels, Belgium; Centre Léon Bérard, Lyon, France; The Cancer Institute Hospital of JFCR, Tokyo, Japan; The University of Texas MD Anderson Cancer Center, Houston, TX; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Pharma AG, Basel, Switzerland; Novartis Institutes for Biomedical Research, Cambridge, MA; Memorial Sloan Kettering Cancer Center, New York, NY
| | - S Takahashi
- University of Milan, Istituto Europeo di Oncologia – IRCCS, Milan, Italy; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; National Cancer Centre Singapore, Singapore, Singapore; Massachusetts General Hospital, Boston, MA; Cliniques Universitaires Saint-Luc, Brussels, Belgium; Centre Léon Bérard, Lyon, France; The Cancer Institute Hospital of JFCR, Tokyo, Japan; The University of Texas MD Anderson Cancer Center, Houston, TX; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Pharma AG, Basel, Switzerland; Novartis Institutes for Biomedical Research, Cambridge, MA; Memorial Sloan Kettering Cancer Center, New York, NY
| | - RM Layman
- University of Milan, Istituto Europeo di Oncologia – IRCCS, Milan, Italy; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; National Cancer Centre Singapore, Singapore, Singapore; Massachusetts General Hospital, Boston, MA; Cliniques Universitaires Saint-Luc, Brussels, Belgium; Centre Léon Bérard, Lyon, France; The Cancer Institute Hospital of JFCR, Tokyo, Japan; The University of Texas MD Anderson Cancer Center, Houston, TX; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Pharma AG, Basel, Switzerland; Novartis Institutes for Biomedical Research, Cambridge, MA; Memorial Sloan Kettering Cancer Center, New York, NY
| | - N Kundamal
- University of Milan, Istituto Europeo di Oncologia – IRCCS, Milan, Italy; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; National Cancer Centre Singapore, Singapore, Singapore; Massachusetts General Hospital, Boston, MA; Cliniques Universitaires Saint-Luc, Brussels, Belgium; Centre Léon Bérard, Lyon, France; The Cancer Institute Hospital of JFCR, Tokyo, Japan; The University of Texas MD Anderson Cancer Center, Houston, TX; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Pharma AG, Basel, Switzerland; Novartis Institutes for Biomedical Research, Cambridge, MA; Memorial Sloan Kettering Cancer Center, New York, NY
| | - D Baldoni
- University of Milan, Istituto Europeo di Oncologia – IRCCS, Milan, Italy; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; National Cancer Centre Singapore, Singapore, Singapore; Massachusetts General Hospital, Boston, MA; Cliniques Universitaires Saint-Luc, Brussels, Belgium; Centre Léon Bérard, Lyon, France; The Cancer Institute Hospital of JFCR, Tokyo, Japan; The University of Texas MD Anderson Cancer Center, Houston, TX; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Pharma AG, Basel, Switzerland; Novartis Institutes for Biomedical Research, Cambridge, MA; Memorial Sloan Kettering Cancer Center, New York, NY
| | - S Liao
- University of Milan, Istituto Europeo di Oncologia – IRCCS, Milan, Italy; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; National Cancer Centre Singapore, Singapore, Singapore; Massachusetts General Hospital, Boston, MA; Cliniques Universitaires Saint-Luc, Brussels, Belgium; Centre Léon Bérard, Lyon, France; The Cancer Institute Hospital of JFCR, Tokyo, Japan; The University of Texas MD Anderson Cancer Center, Houston, TX; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Pharma AG, Basel, Switzerland; Novartis Institutes for Biomedical Research, Cambridge, MA; Memorial Sloan Kettering Cancer Center, New York, NY
| | - A Crystal
- University of Milan, Istituto Europeo di Oncologia – IRCCS, Milan, Italy; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; National Cancer Centre Singapore, Singapore, Singapore; Massachusetts General Hospital, Boston, MA; Cliniques Universitaires Saint-Luc, Brussels, Belgium; Centre Léon Bérard, Lyon, France; The Cancer Institute Hospital of JFCR, Tokyo, Japan; The University of Texas MD Anderson Cancer Center, Houston, TX; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Pharma AG, Basel, Switzerland; Novartis Institutes for Biomedical Research, Cambridge, MA; Memorial Sloan Kettering Cancer Center, New York, NY
| | - K Jhaveri
- University of Milan, Istituto Europeo di Oncologia – IRCCS, Milan, Italy; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; National Cancer Centre Singapore, Singapore, Singapore; Massachusetts General Hospital, Boston, MA; Cliniques Universitaires Saint-Luc, Brussels, Belgium; Centre Léon Bérard, Lyon, France; The Cancer Institute Hospital of JFCR, Tokyo, Japan; The University of Texas MD Anderson Cancer Center, Houston, TX; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Pharma AG, Basel, Switzerland; Novartis Institutes for Biomedical Research, Cambridge, MA; Memorial Sloan Kettering Cancer Center, New York, NY
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Liao S, Hasan M, Humphrey R, Yang Z, Crenshaw M, Brett J, Rude B, Burch H. PSV-24 The mineral profile of GuarPro F-71, a potential protein source for swine and other agricultural animals in the United States. J Anim Sci 2018. [DOI: 10.1093/jas/sky404.720] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- S Liao
- Department of Animal & Dairy Sciences, Mississippi State University,Mississippi State, MS 39762, Mississippi State, MS, United States
| | - M Hasan
- Department of Animal & Dairy Sciences, Mississippi State University,Mississippi State, MS 39762, Mississippi State, MS, United States
| | - R Humphrey
- Department of Animal & Dairy Sciences, Mississippi State University,Mississippi State, MS 39762, Mississippi State, MS, United States
| | - Z Yang
- Department of Animal & Dairy Sciences, Mississippi State University,Mississippi State, MS 39762, Mississippi State, MS, United States
| | - M Crenshaw
- Department of Animal & Dairy Sciences, Mississippi State University,Mississippi State, MS 39762, Mississippi State, MS, United States
| | - J Brett
- Department of Animal & Dairy Sciences, Mississippi State University,Mississippi State, MS 39762, Mississippi State, MS, United States
| | - B Rude
- Department of Animal & Dairy Sciences, Mississippi State University,Mississippi State, MS 39762, Mississippi State, MS, United States
| | - H Burch
- Nutrix Organics, USA, Lafayette, LA, United States
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23
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Li T, Cheng M, Wang J, Hong S, Li M, Liao S, Xie L, Jiang L. De novo mutations of STXBP1 in Chinese children with early onset epileptic encephalopathy. Genes Brain Behav 2018; 17:e12492. [PMID: 29896790 DOI: 10.1111/gbb.12492] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Revised: 05/04/2018] [Accepted: 06/11/2018] [Indexed: 11/30/2022]
Abstract
To detect syntaxin-binding protein 1 (STXBP1) mutations in Chinese patients with early onset epileptic encephalopathy (EOEE) of unknown etiology. Targeted next-generation sequencing was used to identify STXBP1 mutations in 143 Chinese patients with EOEE of unknown etiology. A filtering process was applied to prioritize rare variants of potential functional significance. Then Sanger sequencing was employed to validate the parental origin of the variants. Detailed clinical and genetic data were collected for 9 STXBP1-positive patients. Eight de novo heterozygous STXBP1 mutations were identified in 9 patients; 5 were novel mutations (c.1155delC, c.1030-1G>A, c.217G>C, c.268G>C, c.1480_1481 insT) and 3 were previously reported (c.1216C> T, c.1217G>A [2 cases], c.875G>A). Two patients had Ohtahara syndrome and 1 had West syndrome at onset, whereas the other 6 presented with EOEE that did not fit a specific recognized epilepsy syndrome. Six of these patients later evolved to West syndrome. All but 2 cases were prescribed more than 2 antiepileptic drugs (AEDs) plus other regimens. Four subjects showed good responses to levetiracetam (LEV) alone or in combination with other AEDs, and one case (1/3) achieved complete freedom from seizures with a ketogenic diet (KD). All patients exhibited severe to profound global developmental delay. Five novel heterozygous de novo STXBP1 mutations were discovered in patients with EOEE from China. STXBP1 mutational analysis should be performed in cases of EOEE of unknown etiology. LEV as monotherapy or adjunctive therapy with other regimens, as well as KD should be considered for management of this patient group.
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Affiliation(s)
- T Li
- Department of Neurology, Children's Hospital of Chongqing Medical University, Chongqing, China.,Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, China.,Key Laboratory of Pediatrics in Chongqing, Chongqing, China.,Chongqing International Science and Technology Cooperation Center for Child Development and Disorders, Chongqing, China
| | - M Cheng
- Department of Neurology, Children's Hospital of Chongqing Medical University, Chongqing, China.,Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, China.,Key Laboratory of Pediatrics in Chongqing, Chongqing, China.,Chongqing International Science and Technology Cooperation Center for Child Development and Disorders, Chongqing, China
| | - J Wang
- Department of Neurology, Children's Hospital of Chongqing Medical University, Chongqing, China.,Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, China.,Key Laboratory of Pediatrics in Chongqing, Chongqing, China.,Chongqing International Science and Technology Cooperation Center for Child Development and Disorders, Chongqing, China
| | - S Hong
- Department of Neurology, Children's Hospital of Chongqing Medical University, Chongqing, China.,Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, China.,Key Laboratory of Pediatrics in Chongqing, Chongqing, China.,Chongqing International Science and Technology Cooperation Center for Child Development and Disorders, Chongqing, China
| | - M Li
- Department of Neurology, Children's Hospital of Chongqing Medical University, Chongqing, China.,Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, China.,Key Laboratory of Pediatrics in Chongqing, Chongqing, China.,Chongqing International Science and Technology Cooperation Center for Child Development and Disorders, Chongqing, China
| | - S Liao
- Department of Neurology, Children's Hospital of Chongqing Medical University, Chongqing, China.,Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, China.,Key Laboratory of Pediatrics in Chongqing, Chongqing, China.,Chongqing International Science and Technology Cooperation Center for Child Development and Disorders, Chongqing, China
| | - L Xie
- Department of Neurology, Children's Hospital of Chongqing Medical University, Chongqing, China.,Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, China.,Key Laboratory of Pediatrics in Chongqing, Chongqing, China.,Chongqing International Science and Technology Cooperation Center for Child Development and Disorders, Chongqing, China
| | - L Jiang
- Department of Neurology, Children's Hospital of Chongqing Medical University, Chongqing, China.,Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, China.,Key Laboratory of Pediatrics in Chongqing, Chongqing, China.,Chongqing International Science and Technology Cooperation Center for Child Development and Disorders, Chongqing, China
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Liao S, Cai C, Huo FM, Wu JN, Kong CC, Huang HR, Xu SF, Sun ZG. Trends in drug-resistant tuberculosis in China: data from a clinical tuberculosis centre. Int J Tuberc Lung Dis 2018; 21:990-995. [PMID: 28826447 DOI: 10.5588/ijtld.17.0086] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
OBJECTIVE To describe the trends in prevalence of drug-resistant tuberculosis (TB) among in-patients in Beijing Chest Hospital, Beijing, China, using a 10-year retrospective study. DESIGN From 2005 to 2014, 18 310 in-patients with TB were recruited for the study, most of whom were referrals; no distinction was made between new and previously treated cases. Drug susceptibility testing (DST) was performed in culture-positive cases using the proportion method to determine multidrug-resistant TB (MDR-TB) and extensively drug-resistant TB (XDR-TB). Risk factors associated with drug resistance were identified. RESULTS A total of 5141 (28.0%) samples were culture-positive. DST results showed that 860 (16.7%) cases were MDR-TB and 176 (3.4%) were XDR-TB. MDR-TB and XDR-TB were detected in respectively 21.2% and 12.5% of new cases. The rate of MDR-TB and XDR-TB gradually increased from 2005, with MDR-TB reaching a peak in 2008 and XDR-TB in 2009. These data closely mirror national survey data on this region, patient age and occupation. CONCLUSION Trends in MDR-TB and XDR-TB prevalence during the past decade and their inflection points were determined, which complemented reports from previous national surveys. This information is useful for fighting TB in China.
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Affiliation(s)
- S Liao
- National Tuberculosis Clinical Laboratory, Beijing Chest Hospital, Capital Medical University, Beijing, Beijing Key Laboratory in Drug Resistant Tuberculosis Research, Beijing Tuberculosis & Thoracic Tumor Research Institute, Beijing, China
| | - C Cai
- Beijing Key Laboratory in Drug Resistant Tuberculosis Research, Beijing Tuberculosis & Thoracic Tumor Research Institute, Beijing, China
| | - F-M Huo
- National Tuberculosis Clinical Laboratory, Beijing Chest Hospital, Capital Medical University, Beijing, Beijing Key Laboratory in Drug Resistant Tuberculosis Research, Beijing Tuberculosis & Thoracic Tumor Research Institute, Beijing, China
| | - J-N Wu
- National Tuberculosis Clinical Laboratory, Beijing Chest Hospital, Capital Medical University, Beijing, Beijing Key Laboratory in Drug Resistant Tuberculosis Research, Beijing Tuberculosis & Thoracic Tumor Research Institute, Beijing, China
| | - C-C Kong
- National Tuberculosis Clinical Laboratory, Beijing Chest Hospital, Capital Medical University, Beijing, Beijing Key Laboratory in Drug Resistant Tuberculosis Research, Beijing Tuberculosis & Thoracic Tumor Research Institute, Beijing, China
| | - H-R Huang
- National Tuberculosis Clinical Laboratory, Beijing Chest Hospital, Capital Medical University, Beijing, Beijing Key Laboratory in Drug Resistant Tuberculosis Research, Beijing Tuberculosis & Thoracic Tumor Research Institute, Beijing, China
| | - S-F Xu
- National Tuberculosis Clinical Laboratory, Beijing Chest Hospital, Capital Medical University, Beijing, Beijing Key Laboratory in Drug Resistant Tuberculosis Research, Beijing Tuberculosis & Thoracic Tumor Research Institute, Beijing, China
| | - Z-G Sun
- National Tuberculosis Clinical Laboratory, Beijing Chest Hospital, Capital Medical University, Beijing, Beijing Key Laboratory in Drug Resistant Tuberculosis Research, Beijing Tuberculosis & Thoracic Tumor Research Institute, Beijing, China
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25
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Neikrug AB, Okifuji A, Hamilton C, Liao S, Donaldson G. 0911 Behavioral and Activity Rhythms in Patients with Chronic Pain vs. Controls - A Computational Approach for Behavioral Data. Sleep 2018. [DOI: 10.1093/sleep/zsy061.910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Affiliation(s)
- A B Neikrug
- University of California, Irvine, Irvine, CA
| | - A Okifuji
- University of Utah, Salt Lake City, UT
| | | | - S Liao
- University of Utah, Salt Lake City, UT
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26
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Williams T, Rude B, Liao S, Mochal-King C, Nicodemus M. Effects of fat supplementation on plasma glucose, insulin and fatty acid analysis in ponies maintained on a forage-based diet. J Anim Physiol Anim Nutr (Berl) 2018; 102:1069-1076. [PMID: 29671908 DOI: 10.1111/jpn.12905] [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: 11/30/2017] [Accepted: 03/23/2018] [Indexed: 11/29/2022]
Abstract
The objective of this study was to observe how fat incorporated into an equine forage-based diet through supplementation altered levels of plasma glucose, insulin and fatty acids. Five Shetland/Hackney cross pony mares were fed alfalfa pellet diets top dressed with commercially available vegetable oil (blend of soya bean, canola and corn oils) at 0%, 5%, 10% or 15% of diet. Ponies were randomly assigned one of four diets to start, with a 14-day adjustment period between transitioning to another one of the four diets. Ponies were gradually adapted to the new diet within the 14-day period before a five-day trial period. Each pony received all four diets by the end of the study. Each trial was a five-day period with a three-day sample collection. Blood samples for each collection week were taken 0, 30, 60, 90, 120, 150, 180, 210, 240 and 270 min and at 5, 6, 7, 8, 9 and 10 hr post-feeding. Excess fat did not impact plasma glucose (p > .1), nor did it affect blood plasma insulin concentration. While there was no time alteration found for plasma fatty acid concentration (p > .1), C14:0 increased when ponies were fed 0% fat and C18:2 decreased when ponies were fed 0% fat. Plasma fatty acids (% of total FA) were higher in C18:0, C18:1, C18:2 and C20:1 in the added fat diets (p < .1). These findings suggest the amounts reported in this study of fat supplementation on a forage-based diet did influence the fatty acid analysis within the pony, but did not negatively impact blood glucose and insulin concentrations.
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Affiliation(s)
- T Williams
- Department of Animal Science, University of Findlay, Findlay, Ohio
| | - B Rude
- Department of Animal and Dairy Sciences, Mississippi State University, Mississippi State, Mississippi
| | - S Liao
- Department of Animal and Dairy Sciences, Mississippi State University, Mississippi State, Mississippi
| | - C Mochal-King
- Department of Clinical Sciences, College of Veterinary Medicine, Mississippi State University, Mississippi State, Mississippi
| | - M Nicodemus
- Department of Animal and Dairy Sciences, Mississippi State University, Mississippi State, Mississippi
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27
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Juric D, Curigliano G, Cresta S, Yap YS, Terret C, Duhoux FP, Takahashi S, Kundamal N, Bhansali S, Liao S, Crystal A, Jhaveri K. Abstract P5-21-04: Phase I/Ib study of the SERD LSZ102 alone or in combination with ribociclib in ER+ breast cancer. Cancer Res 2018. [DOI: 10.1158/1538-7445.sabcs17-p5-21-04] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background: LSZ102 is an orally bioavailable selective estrogen receptor degrader (SERD) that inhibits estrogen receptor (ER) gene transcription, induces receptor degradation, and blocks ER-dependent cell growth in preclinical models. This Phase I/Ib, open-label study is evaluating LSZ102 as a single agent and in combination with the CDK4/6 inhibitor ribociclib (LEE011) or the PI3K inhibitor alpelisib (BYL719) in patients (pts) with locally advanced/metastatic ER-positive (ER+) breast cancer (BC).
Methods: The primary objective is to characterize the safety and tolerability, and identify a recommended dose and regimen of LSZ102 alone (Arm A) or in combination with ribociclib (Arm B) or alpelisib (Arm C). Secondary objectives include evaluation of preliminary antitumor activity and pharmacokinetics (PK). Eligible pts (aged ≥18 yrs; ECOG PS 0-1) have histologically confirmed ER+ BC that has progressed after endocrine therapy.
Results: As of March 14, 2017, dose escalation evaluating 16 pts in Arm A (LSZ102 200 mg [n=4], 400 mg [n=6], and 600 mg [n=6]) had completed (median age 57.5 yrs; 81% ECOG PS 0; 63% received prior fulvestrant). Five pts (median age 59.0 yrs; 80% ECOG PS 0; 60% received prior fulvestrant) had enrolled in the first cohort of Arm B (LSZ102 200 mg QD + ribociclib 300 mg 3 weeks on/1 week off) with evaluation ongoing. Arm C (LSZ102 + alpelisib) had yet to open. As of March 14, 2017, 9/16 (56%) pts in Arm A had discontinued treatment, all due to progressive disease (PD); in Arm B all pts were still receiving treatment. There were no dose-limiting toxicities in either arm at the dose levels evaluated; dose escalation is ongoing. The most common drug-related adverse events (AEs) were diarrhea (Grade [Gr] 1: 7/16; Gr 2: 2/16 pts), nausea (Gr 1: 6/16; Gr 2: 2/16 pts), and vomiting (Gr 1: 3/16 pts) in Arm A, and hot flush, nausea, vaginal discharge (all Gr 1: 2/5 pts), thrombocytopenia (Gr 1: 1/5; Gr 2: 1/5 pts), and neutropenia (Gr 2: 1/5, Gr 3: 1/5 pts) in Arm B. There were no drug-related Gr 3/4 AEs reported in Arm A; in Arm B, Gr 3 neutropenia, leukopenia, and lymphopenia each occurred in 1/5 pts. Preliminary PK assessment showed single-agent LSZ102 exposure increased dose-proportionally from 200 to 600 mg QD. In combination with ribociclib, exposures were consistent with those of the single agent at the same dose. In Arm A, preliminary evidence of antitumor activity was observed. Efficacy data for Arms B and C were not available as of March 14, 2017. One pt, whose tumor harbored an ESR1 D538G mutation, had been treated with multiple prior therapies in the metastatic setting, including letrozole, exemestane, tamoxifen, exemestane + everolimus, and anastrozole, as well as fulvestrant for 120 days prior to PD, and letrozole + palbociclib for 94 days prior to PD. As of March 14, 2017, this pt had been on LSZ102 treatment (400 mg QD) for 167 days, with a best response of stable disease (14% reduction in sum of diameter of target lesions).
Conclusions: Oral single-agent LSZ102 appears well-tolerated, with a manageable safety profile. Preliminary data also suggest tolerability when combined with ribociclib. Preliminary evidence of single-agent antitumor activity was seen in heavily pretreated pts with ER+ BC in a post-fulvestrant setting.
Citation Format: Juric D, Curigliano G, Cresta S, Yap Y-S, Terret C, Duhoux FP, Takahashi S, Kundamal N, Bhansali S, Liao S, Crystal A, Jhaveri K. Phase I/Ib study of the SERD LSZ102 alone or in combination with ribociclib in ER+ breast cancer [abstract]. In: Proceedings of the 2017 San Antonio Breast Cancer Symposium; 2017 Dec 5-9; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2018;78(4 Suppl):Abstract nr P5-21-04.
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Affiliation(s)
- D Juric
- Massachusetts General Hospital, Boston, MA; Istituto Europeo di Oncologia – IRCCS, Milan, Italy; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; National Cancer Centre Singapore, Singapore; Centre Léon Bérard, Lyon, France; Cliniques Universitaires Saint-Luc, Brussels, Belgium; The Cancer Institute Hospital of JFCR, Tokyo, Japan; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Institutes for Biomedical Research, Cambridge, MA; Memorial Sloan Kettering Cancer Center, New York, NY
| | - G Curigliano
- Massachusetts General Hospital, Boston, MA; Istituto Europeo di Oncologia – IRCCS, Milan, Italy; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; National Cancer Centre Singapore, Singapore; Centre Léon Bérard, Lyon, France; Cliniques Universitaires Saint-Luc, Brussels, Belgium; The Cancer Institute Hospital of JFCR, Tokyo, Japan; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Institutes for Biomedical Research, Cambridge, MA; Memorial Sloan Kettering Cancer Center, New York, NY
| | - S Cresta
- Massachusetts General Hospital, Boston, MA; Istituto Europeo di Oncologia – IRCCS, Milan, Italy; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; National Cancer Centre Singapore, Singapore; Centre Léon Bérard, Lyon, France; Cliniques Universitaires Saint-Luc, Brussels, Belgium; The Cancer Institute Hospital of JFCR, Tokyo, Japan; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Institutes for Biomedical Research, Cambridge, MA; Memorial Sloan Kettering Cancer Center, New York, NY
| | - Y-S Yap
- Massachusetts General Hospital, Boston, MA; Istituto Europeo di Oncologia – IRCCS, Milan, Italy; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; National Cancer Centre Singapore, Singapore; Centre Léon Bérard, Lyon, France; Cliniques Universitaires Saint-Luc, Brussels, Belgium; The Cancer Institute Hospital of JFCR, Tokyo, Japan; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Institutes for Biomedical Research, Cambridge, MA; Memorial Sloan Kettering Cancer Center, New York, NY
| | - C Terret
- Massachusetts General Hospital, Boston, MA; Istituto Europeo di Oncologia – IRCCS, Milan, Italy; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; National Cancer Centre Singapore, Singapore; Centre Léon Bérard, Lyon, France; Cliniques Universitaires Saint-Luc, Brussels, Belgium; The Cancer Institute Hospital of JFCR, Tokyo, Japan; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Institutes for Biomedical Research, Cambridge, MA; Memorial Sloan Kettering Cancer Center, New York, NY
| | - FP Duhoux
- Massachusetts General Hospital, Boston, MA; Istituto Europeo di Oncologia – IRCCS, Milan, Italy; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; National Cancer Centre Singapore, Singapore; Centre Léon Bérard, Lyon, France; Cliniques Universitaires Saint-Luc, Brussels, Belgium; The Cancer Institute Hospital of JFCR, Tokyo, Japan; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Institutes for Biomedical Research, Cambridge, MA; Memorial Sloan Kettering Cancer Center, New York, NY
| | - S Takahashi
- Massachusetts General Hospital, Boston, MA; Istituto Europeo di Oncologia – IRCCS, Milan, Italy; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; National Cancer Centre Singapore, Singapore; Centre Léon Bérard, Lyon, France; Cliniques Universitaires Saint-Luc, Brussels, Belgium; The Cancer Institute Hospital of JFCR, Tokyo, Japan; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Institutes for Biomedical Research, Cambridge, MA; Memorial Sloan Kettering Cancer Center, New York, NY
| | - N Kundamal
- Massachusetts General Hospital, Boston, MA; Istituto Europeo di Oncologia – IRCCS, Milan, Italy; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; National Cancer Centre Singapore, Singapore; Centre Léon Bérard, Lyon, France; Cliniques Universitaires Saint-Luc, Brussels, Belgium; The Cancer Institute Hospital of JFCR, Tokyo, Japan; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Institutes for Biomedical Research, Cambridge, MA; Memorial Sloan Kettering Cancer Center, New York, NY
| | - S Bhansali
- Massachusetts General Hospital, Boston, MA; Istituto Europeo di Oncologia – IRCCS, Milan, Italy; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; National Cancer Centre Singapore, Singapore; Centre Léon Bérard, Lyon, France; Cliniques Universitaires Saint-Luc, Brussels, Belgium; The Cancer Institute Hospital of JFCR, Tokyo, Japan; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Institutes for Biomedical Research, Cambridge, MA; Memorial Sloan Kettering Cancer Center, New York, NY
| | - S Liao
- Massachusetts General Hospital, Boston, MA; Istituto Europeo di Oncologia – IRCCS, Milan, Italy; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; National Cancer Centre Singapore, Singapore; Centre Léon Bérard, Lyon, France; Cliniques Universitaires Saint-Luc, Brussels, Belgium; The Cancer Institute Hospital of JFCR, Tokyo, Japan; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Institutes for Biomedical Research, Cambridge, MA; Memorial Sloan Kettering Cancer Center, New York, NY
| | - A Crystal
- Massachusetts General Hospital, Boston, MA; Istituto Europeo di Oncologia – IRCCS, Milan, Italy; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; National Cancer Centre Singapore, Singapore; Centre Léon Bérard, Lyon, France; Cliniques Universitaires Saint-Luc, Brussels, Belgium; The Cancer Institute Hospital of JFCR, Tokyo, Japan; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Institutes for Biomedical Research, Cambridge, MA; Memorial Sloan Kettering Cancer Center, New York, NY
| | - K Jhaveri
- Massachusetts General Hospital, Boston, MA; Istituto Europeo di Oncologia – IRCCS, Milan, Italy; Fondazione IRCCS – Istituto Nazionale dei Tumori, Milan, Italy; National Cancer Centre Singapore, Singapore; Centre Léon Bérard, Lyon, France; Cliniques Universitaires Saint-Luc, Brussels, Belgium; The Cancer Institute Hospital of JFCR, Tokyo, Japan; Novartis Institutes for Biomedical Research, East Hanover, NJ; Novartis Institutes for Biomedical Research, Cambridge, MA; Memorial Sloan Kettering Cancer Center, New York, NY
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Liao S, Wang Y, Li K, Zhu J, Zhang J, Huang F. Idiopathic retroperitoneal fibrosis: a cross-sectional study of 142 Chinese patients. Scand J Rheumatol 2017; 47:198-205. [PMID: 29219671 DOI: 10.1080/03009742.2017.1363280] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- S Liao
- Department of Rheumatology, PLA General Hospital, Beijing, PR China
| | - Y Wang
- Department of Rheumatology, PLA General Hospital, Beijing, PR China
| | - K Li
- Department of Rheumatology, PLA General Hospital, Beijing, PR China
| | - J Zhu
- Department of Rheumatology, PLA General Hospital, Beijing, PR China
| | - J Zhang
- Department of Rheumatology, PLA General Hospital, Beijing, PR China
| | - F Huang
- Department of Rheumatology, PLA General Hospital, Beijing, PR China
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Liao S, De A, Thompson T, Chapman L, Bitoun JP, Yao X, Yu Q, Ma F, Wen ZT. Expression of BrpA in Streptococcus mutans is regulated by FNR-box mediated repression. Mol Oral Microbiol 2017; 32:517-525. [PMID: 28744965 DOI: 10.1111/omi.12193] [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] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/21/2017] [Indexed: 11/30/2022]
Abstract
Our previous studies showed that brpA in Streptococcus mutans, which encodes a member of the LytR-CpsA-Psr family of proteins, can be co-transcribed with brpB upstream as a bicistronic operon, and the intergenic region also has strong promoter activity. To elucidate how brpA expression is regulated, the promoter regions were analyzed using polymerase chain reaction-based deletions and site-directed mutagenesis and a promoterless luciferase gene as a reporter. Allelic exchange mutagenesis was also used to examine genes encoding putative trans-acting factors, and the impact of such mutations on brpA expression was analyzed by reporter assays. Multiple elements in the short brpA promoter (nucleotide -1 to -344 relative to start cordon ATG) were shown to have a major impact on brpA expression, including an FNR-box, for a putative binding site of an FNR-type of transcriptional regulator. When compared with the intact brpA promoter, mutations of the highly conserved nucleotides in FNR-box from TTGATgtttAcCtt to TTACAgaaaGtTac resulted in 1362-fold increases of luciferase activity (P < .001), indicative of the FNR-box-mediated repression as a major mechanism in regulation of brpA expression. When luciferase reporter was fused to the upstream brpBA promoter (nucleotides -784 to -1144), luciferase activity was decreased by 4.5-fold (P < .001) in the brpA mutant, TW14D, and by 67.7-fold (P < .001) in the brpB mutant, JB409, compared with the wild-type, UA159. However, no such effects were observed when the reporter gene was fused to the short brpA promoter and its derivatives. These results also suggest that brpA expression in S. mutans is auto-regulated through the upstream brpBA promoter.
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Affiliation(s)
- S Liao
- Center of Oral and Craniofacial Biology, Louisiana State University Health Sciences Center, New Orleans, LA, USA
| | - A De
- Department of Comprehensive Dentistry and Biomaterials, Louisiana State University Health Sciences Center, New Orleans, LA, USA
| | - T Thompson
- Department of Comprehensive Dentistry and Biomaterials, Louisiana State University Health Sciences Center, New Orleans, LA, USA
| | - L Chapman
- Center of Oral and Craniofacial Biology, Louisiana State University Health Sciences Center, New Orleans, LA, USA
| | - J P Bitoun
- Center of Oral and Craniofacial Biology, Louisiana State University Health Sciences Center, New Orleans, LA, USA
| | - X Yao
- Center of Oral and Craniofacial Biology, Louisiana State University Health Sciences Center, New Orleans, LA, USA
| | - Q Yu
- Department of Biostatistics, Louisiana State University Health Sciences Center, New Orleans, LA, USA
| | - F Ma
- Center for Virology, University of Nebraska, Lincoln, NE, USA
| | - Z T Wen
- Center of Oral and Craniofacial Biology, Louisiana State University Health Sciences Center, New Orleans, LA, USA.,Department of Comprehensive Dentistry and Biomaterials, Louisiana State University Health Sciences Center, New Orleans, LA, USA.,Department of Microbiology, Immunology and Parasitology, Louisiana State University Health Sciences Center, New Orleans, LA, USA
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Zhang F, Liao S, Liu K, Duan XC. [Prostaglandin-associated periorbitopathy]. Zhonghua Yan Ke Za Zhi 2017; 53:637-640. [PMID: 28851204 DOI: 10.3760/cma.j.issn.0412-4081.2017.08.018] [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
Glaucoma is one of the leading causes of blindness in the world, second to cataract. The treatment of glaucoma mainly includes drugs, laser and operation, which can slow down the progress of the disease. Prostaglandin is the first-line medication at present. With the constant promotion of clinical application, the local side effects have been found, such as conjunctival congestion, lash lengthening, periorbital and iris pigment deepening, blepharitis and macular edema. As people pay more attention to appearance, periorbitopathy caused by prostaglandin has been reported in recent years, including upper eyelid ptosis and dermatochalasis, deepening of the upper eyelid sulcus, periorbital fat loss, enophthalmos and inferior scleral exposure. The mechanism, performance and treatment methods of these prostaglandin-associated periorbitopathies are reviewed. (Chin J Ophthalmol, 2017, 53: 637-640).
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Affiliation(s)
- F Zhang
- Department of Ophthalmology, Second Xiangya Hospital, Central South University, Changsha 410011, China
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Wang P, Xu X, Liao S, Song J, Fan G, Chen S, Wang Z. Quantitative structure-activity relationship study of amide mosquito repellents. SAR QSAR Environ Res 2017; 28:341-353. [PMID: 28521600 DOI: 10.1080/1062936x.2017.1320585] [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] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Accepted: 04/14/2017] [Indexed: 06/07/2023]
Abstract
A quantitative structure-activity relationship (QSAR) study on 43 amide repellents was carried out by the heuristic method in order to reveal the correlations between molecular parameters of these amides and their repellency against Aedes aegypti. Sketches and optimizations of molecular structures were achieved by the Gaussian software package. Generation and screening of molecular parameters were accomplished using CODESSA 2.7.10 software. The leave-one-out method was applied for the model validation. The results showed that a four-descriptor QSAR model with r2 of 0.897 was obtained. The average r2 values of the training set and test set of the QSAR model were 0.901 and 0.863, respectively, which suggested that the stability and predictability of the model were confirmed. Analysis of the implications of the descriptors that constitute the QSAR model indicated that all the descriptors were related to the charge distribution over the molecule and affect the dipole moment of the repellents.
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Affiliation(s)
- P Wang
- a College of Forestry, Jiangxi Agricultural University, Camphor Tree Engineering and Technology Research Center of State Forestry Administration and Jiangxi Province , Nanchang , China
| | - X Xu
- a College of Forestry, Jiangxi Agricultural University, Camphor Tree Engineering and Technology Research Center of State Forestry Administration and Jiangxi Province , Nanchang , China
| | - S Liao
- a College of Forestry, Jiangxi Agricultural University, Camphor Tree Engineering and Technology Research Center of State Forestry Administration and Jiangxi Province , Nanchang , China
| | - J Song
- b Department of Chemistry and Biochemistry , University of Michigan-Flint , Flint , MI , USA
| | - G Fan
- a College of Forestry, Jiangxi Agricultural University, Camphor Tree Engineering and Technology Research Center of State Forestry Administration and Jiangxi Province , Nanchang , China
| | - S Chen
- a College of Forestry, Jiangxi Agricultural University, Camphor Tree Engineering and Technology Research Center of State Forestry Administration and Jiangxi Province , Nanchang , China
| | - Z Wang
- a College of Forestry, Jiangxi Agricultural University, Camphor Tree Engineering and Technology Research Center of State Forestry Administration and Jiangxi Province , Nanchang , China
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Zhou H, Peng J, Wang D, Kou L, Chen F, Ye M, Deng Y, Yan J, Liao S. Mediating effect of coping styles on the association between psychological capital and psychological distress among Chinese nurses: a cross-sectional study. J Psychiatr Ment Health Nurs 2017; 24:114-122. [PMID: 28233374 DOI: 10.1111/jpm.12350] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [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] [Accepted: 09/29/2016] [Indexed: 11/28/2022]
Abstract
UNLABELLED WHAT IS KNOWN ON THE SUBJECT?: Studies show that psychological capital (PsyCap) is a protective factor against psychological distress, such as depressive symptoms. However, few have attempted to address the role of coping styles in the relationship between PsyCap and psychological distress. WHAT DOES THIS PAPER ADD TO EXISTING KNOWLEDGE?: Our study found moderate levels of PsyCap among nurses in China. Among the subcategories of PsyCap, optimism and hope were most highly correlated with psychological distress. Psychological distress was positively associated with negative coping and negatively associated with positive coping. This study confirmed the partial mediating effect of coping styles in PsyCap and psychological distress among Chinese nurses. In other words, this study found direct and indirect effects of PsyCap on psychological distress mediated via coping styles. WHAT ARE THE IMPLICATIONS FOR PRACTICE?: The significant mediating effect of negative and positive coping styles between PsyCap and psychological distress has implications for hospital administrators, especially nurse leaders. Effective strategies should be implemented to improve PsyCap and coping styles among Chinese nurses, and alleviate psychological distress. Optimism and hope should be emphasized in PsyCap investment. Different styles of coping are influenced and modified by teaching and experience. Therefore, it is essential that nurse managers organize educational and training programmes to provide nurses with relative coping knowledge and techniques, and improve their coping ability. Several studies suggest that coping styles are affected by social support. Thus, nurse managers should assist nurses with social support and enhance coping strategies to reduce psychological distress. ABSTRACT Introduction PsyCap includes four categories namely self-efficacy, hope, optimism and resilience. Research has demonstrated that PsyCap and coping styles affect current psychological distress. Nevertheless, few studies have explored the role of coping styles in PsyCap and psychological distress. Aim This study investigated the role of coping styles as a mediator in PsyCap and psychological distress among Chinese nurses. Methods Participants included 538 nurses who completed self-report questionnaires assessing PsyCap, coping styles and psychological distress. Linear regression analyses were used to explore the role of coping styles. Results PsyCap, coping styles and psychological distress were significantly correlated. Among the subcategories of PsyCap, optimism and hope were most highly correlated with psychological distress. Coping styles is a partial mediator of PsyCap and psychological distress. Implications for mental health nursing The significant role of negative and positive coping styles in PsyCap and psychological distress has implications for hospital administrators, especially nurse leaders. Effective strategies should be implemented to improve PsyCap and coping styles among Chinese nurses, to alleviate psychological distress. Optimism and hope should be the focus of the improvement. Different styles of coping are developed from education and experience. Therefore, it is necessary for nurse managers to organize educational and training programmes to improve coping skills among nurses. Studies suggest that coping styles are affected by social support. Thus, nurse managers should also assist nurses with social support and enhance coping strategies to reduce psychological distress.
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Affiliation(s)
- H Zhou
- Department of Nursing, Nanfang Hospital, Southern Medical University, Guangdong, China
| | - J Peng
- Department of Nursing, Nanfang Hospital, Southern Medical University, Guangdong, China
| | - D Wang
- School of Nursing, Changsha Medical University, Huna, China
| | - L Kou
- Department of Obstetrics, Beijiao Hospital of Shunde, Foshan, China
| | - F Chen
- Department of Biostatistics, School of Public Health and Tropical Medicine, Southern Medical University, Guangdong, China
| | - M Ye
- Department of Obstetrics, South Medical University Affiliated Maternal & Child Health Hospital of Foshan, Foshan, Guangdong, China
| | - Y Deng
- Department of Neurosurgery, Southern Medical University, Guangdong, China
| | - J Yan
- Department of Information, Southern Medical University, Guangdong, China
| | - S Liao
- Department of Emergency, Nanfang Hospital, Southern Medical University, Guangdong, China
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Durfey CL, Liao S, Devost-Burnett D, Dinh T, Crenshaw M, Willard ST, Ryan PL, Clemente H, Feugang JM. 68 GROWTH AND MARKET QUALITY OF PIGS BORN FROM MAGNETIC NANOPARTICLE-TREATED BOAR SPERMATOZOA. Reprod Fertil Dev 2017. [DOI: 10.1071/rdv29n1ab68] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Sperm ejaculates contain a heterogeneous population of nonviable and viable spermatozoal cells. Ejaculates with high concentrations of poor quality or damaged spermatozoa can greatly impair the overall fertility of males. Recently, a novel technique termed nanopurification has been developed (Feugang et al. 2015 IVF Reprod. Med. Genet. 3, 2) to noninvasively target and remove poor quality spermatozoa from boar semen. Such removal will enrich insemination doses with high quality spermatozoa to enhance fertility successes. However, effects associated with offspring born from nanopurified semen and possible meat quality assurance have yet to be extensively studied. The objective of this study was to measure the growth performance and market characteristics of pigs born from standard or nanopurified spermatozoa. Boar semen was obtained in insemination doses from a local stud and was mixed with (nanopurified) magnetic nanoparticles (iron-oxide) specifically designed to interact with acrosome-reacted and apoptotic spermatozoa. After incubation, mixed semen were placed under an electromagnetic field trapping moribund sperm to allow collection of intact and viable spermatozoa. Six gilts were bred with standard non-purified (control; n = 3) or nanopurified (n = 3) semen, with subsequent pregnancies leading to full-term birth of viable offspring. At weaning, pigs of equal sexes (5 male and 5 female) were randomly selected from control (n = 10) and nanopurified (n = 10) litters. Pigs were fed and measured until market weight, at which meat quality and carcass characteristics were assessed. Data (mean ± SEM) were analysed with Student’s t-test and SAS software (SAS Institute Inc., Cary, NC, USA). The threshold of significance was set as P < 0.05. Patterns of growth between groups were comparable up to market size (P > 0.05). Standard pork quality parameters (lean carcass weight, loin eye area, percentage of lean cuts, loin and ham colouring, etc.) revealed no significant differences between groups (P > 0.05). Dressing percentage was found higher in the nanopurified group compared with control, with a 1.5% increase (P < 0.05). Marbling score tended to be significantly higher in the nanopurified group (2.7 ± 0.15) when compared with the control (2.3 ± 0.15). Findings indicate that sperm nanopurification does not impair growth of offspring and could ultimately lead to a higher pork carcass quality. Additional research is being conducted to confirm current findings and identify further effects of nanopurification regarding offspring and carcass quality.
This work was supported by USDA-ARS Grant #58–6402–3-018.
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Moorhead WA, Durfey CL, Liao S, Devost-Burnett D, Gastal GDA, Ryan PL, Willard ST, Feugang JM. 64 EFFECTS OF NANOPURIFIED BOAR SEMEN FOR ARTIFICIAL INSEMINATION ON PROTEIN DETECTION IN SWINE OFFSPRING MUSCLE AND FAT TISSUE. Reprod Fertil Dev 2017. [DOI: 10.1071/rdv29n1ab64] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Standard extended semen contains both viable and non-viable spermatozoa. Magnetic nanoparticles have proven to be effective in the purification of boar semen by targeting nonviable spermatozoal cells (Feugang et al. 2015 IVF Reprod. Med. Genet. 3, 2), allowing potentially greater efficiency within the pork production industry. Previous research lacks data regarding the biochemical effects on offspring produced from such nanopurified semen. Here, we aim to determine whether there is a difference in protein expression between offspring produced with standard and nanopurified semen. Myoglobin (MYO) and fatty acid synthase (FAS) were chosen as the protein markers for this study because they are often studied in reference to meat quality. Myoglobin provides meat its red colour, and FAS assembles fatty acids contributing to tenderness and palatability. The results produced here will provide a baseline for further research in the meat quality and the safety of consuming meat produced with this nanopurification method. Six sows maintained on our experimental farm were inseminated with standard (CTRL) and nanopurified (NANO) boar semen, leading to the birth of viable full-term piglets. At weaning, 10 pigs (5 male and 5 female) were randomly selected from each group and allowed to grow to market weight. Samples of longissimus muscle and SC back fat were then collected from each pig and prepared for protein analyses. Western immunoblotting and immunofluorescence of tissue samples were performed using anti-MYO and anti-FAS antibodies. Images were appropriately captured and quantified (ImageJ). Data (mean ± SEM) were analysed (ANOVA/Wilcoxon) with P < 0.05 set as threshold of significance. Western immunoblotting confirmed the specificity of each antibody. Myoglobin and FAS proteins were highly detected in muscle and fat tissues, respectively, and there were no differences between groups for each protein. Compared with the CTRL group, immunofluorescence signals of MYO in fat tissues and FAS in muscle tissues were significantly reduced in NANO group pigs, irrespective of the sex. However, MYO immunofluorescence levels in fat tissues and FAS levels in all tissues were significantly reduced in females of the NANO group compared with their counterparts in the CTRL group. In conclusion, MYO and FAS proteins were confirmed as good markers for muscle and fat tissues, respectively, with similar immunofluorescence levels between CTRL and NANO groups. Current preliminary data also show that sperm nanopurification (1) may decrease FAS protein expression in muscle tissue with the possibility to affect meat quality and (2) mainly affected females in this study. Further studies are needed for confirmation of these early findings.
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Liao S, Sun Y, Wang J, Cui H, Wang C. Three dimensional self-assembly ZnSb nanowire balls with good performance as sodium ions battery anode. Electrochim Acta 2016. [DOI: 10.1016/j.electacta.2016.06.018] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Zetterberg C, Maltais F, Laitinen L, Liao S, Tsao H, Chakilam A, Hariparsad N. VX-509 (Decernotinib)-Mediated CYP3A Time-Dependent Inhibition: An Aldehyde Oxidase Metabolite as a Perpetrator of Drug-Drug Interactions. Drug Metab Dispos 2016; 44:1286-95. [DOI: 10.1124/dmd.116.071100] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2016] [Accepted: 06/10/2016] [Indexed: 12/15/2022] Open
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Liao S, McAnulty K, Lim C, Reeve P, Chang CL. Ethnicity as an independent predictive factor for the results of computed tomography pulmonary angiography and ultrasonography of the lower limbs. Intern Med J 2016; 46:942-5. [PMID: 27241958 DOI: 10.1111/imj.13134] [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] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2015] [Revised: 02/24/2016] [Accepted: 05/19/2016] [Indexed: 11/27/2022]
Abstract
BACKGROUND Asians, Pacific Islanders and Maori have significantly lower rates of venous thromboembolism (VTE) compared to Europeans, but its clinic implication regarding diagnosis and prevention is unclear. AIMS To investigate if ethnicity affects the yield of computed tomography pulmonary angiography (CTPA) and ultrasonography of the lower limbs. METHODS Data previously collected for 523 patients from another study were used to analyse the effect of ethnicity on the results of CTPA; 1587 consecutive ultrasonography of lower limbs was retrospectively analysed according to ethnicity. The Wells score was retrospectively calculated to determine the pretest probability of VTE. RESULTS The positive rates of CTPA were 23.3% for European patients and 9.3% for non-European patients. The rate ratio was 2.50 (confidence interval [CI] 1.27-4.95). European patients were 2.5 times more likely to have a positive scan result than non-Europeans, given same pretest probability. There was a larger difference among patients with low and moderate pretest probability with a rate ratio of 4.27 (CI 1.62-11.3). The positive rates of ultrasound scans (USS) among European patients were 16.6 and 9.0% for non-European patients. Rate ratio was 1.85 (CI 1.27-4.95). The difference was also more significant amongst patients with low and moderate pretest probability. The rate ratio was 2.31 (CI 1.38-3.86) for European patients compared to non-European patients. CONCLUSION Given the same pretest probability according to the Wells score, European patients had significantly higher positive rates of CTPA and ultrasonography of the lower limbs than non-European patients. Further prospective studies are required to confirm our findings and establish an appropriate pretest assessment tool for non-European patients.
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Affiliation(s)
- S Liao
- Department of Aged Care, The Royal Melbourne Hospital, Melbourne, Victoria, Australia
| | - K McAnulty
- Department of Radiology, Waikato Hospital, Hamilton, New Zealand
| | - C Lim
- Department of General Medicine, Waikato Hospital, Hamilton, New Zealand
| | - P Reeve
- Department of General Medicine, Waikato Hospital, Hamilton, New Zealand
| | - C L Chang
- Department of Respiratory Medicine, Waikato Hospital, Hamilton, New Zealand
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Gao F, Zhang SL, Liao S, Ge YZ, Zhou LH, Wu R, Xu Z, Xu LW, Jia RP. [Effects of autologous adipose-derived stromal vascular fraction on erectile dysfunction of hypertensive rats]. Zhonghua Yi Xue Za Zhi 2016; 96:134-7. [PMID: 26792698 DOI: 10.3760/cma.j.issn.0376-2491.2016.02.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVE To study the effect of autologous adipose stromal vascular fraction (SVF) injection into corpora cavernosa on the hypertension-associated erectile dysfunction (ED) in rats and its possible mechanism. METHODS Healthy male spontaneously hypertensive rats (SHR) at 30-week (n=40) and homologous rats with normal blood pressure (WKY) (n=20) were selected. Noninvasive blood pressure meter was used to measure the systolic blood pressure (SBP) at the tail. Cervical subcutaneous injection of apomorphine was applied to test penile erectile function. The rats with ED were divided into hypertension-associated ED rats treated with autologous SVF injection into corpora cavernosa (ED-SHR-SVF group) (n=8) and hypertension-associated ED rats treated with phosphate buffered saline (PBS) injection into corpora cavernosa (ED-SHR-PBS group) (n=8). The intracavernosal pressure (ICP) was measured in each group. Western blot and RT-PCR were conducted to test protein and mRNA expressions of endothelial nitric oxide synthase (eNOS) in corpora cavernosa. RESULTS The tail SBP in SHR rats was significantly higher than that in WKY rats ((197.47±6.82) mmHg vs (125.23±4.65) mmHg, P<0.05). The erectile rate in SHR rats was 60% (24/40), and that in WKY rats was 100% (20/20). After 5 V electrical stimulation, the ICP in the ED-SHR-SVF group was significantly higher than in the ED-SHR-PBS group ((83.42±3.21) mmHg vs (52.37±3.11) mmHg, P<0.05). The protein and mRNA expressions of eNOS in the ED-SHR-SVF group were significantly higher than in the ED-SHR-PBS group (0.43±0.03 vs 0.18±0.05, 0.92±0.05 vs 0.41±0.06, both P<0.05). CONCLUSIONS High blood pressure can cause ED in rats, which could be mitigated by autologous SVF injection. The mechanism may be related to up-regulation of eNOS expression in corpus cavernosa.
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Affiliation(s)
- F Gao
- Department of Urology, Nanjing First Hospital, Nanjing Medical University, Nanjing 210006, China
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Feugang J, Liao S, Sanders W, Lu J, Crenshaw M, Willard S, Ryan P. 151 COMPARATIVE ANALYSIS OF FRESH AND CRYOPRESERVED BOAR SPERMATOZOA USING RNA SEQUENCING. Reprod Fertil Dev 2016. [DOI: 10.1071/rdv28n2ab151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Fertility of cryopreserved spermatozoa is significantly reduced compared with that of their fresh counterparts, which is certainly due to the inflicted sublethal damage to spermatozoa that is observed at various molecular and cellular levels. The identification and characterisation of this damage will help us better understand sperm cryobiology and therefore develop suitable media and procedures to improve sperm cryopreservation and fertility outcomes, especially in swine. Here, we present our preliminary assessment of RNA pools of fresh and frozen‐thawed spermatozoa using RNA-sequencing technology. Semen ejaculates of 8 fertile boars were harvested and divided into 2 fractions for each ejaculate. Fraction 1 was freshly extended in commercial diluent (FD) and fraction 2 was frozen in 5-mL plastic straws (FT). Both specimens were shipped to our laboratory for analyses. The samples were purified through Percoll gradient centrifugation and resulting motile spermatozoa were washed in cold PBS. Pelleted spermatozoa were used for total RNA extraction, followed by an in-column DNase digestion. Purity and integrity of RNA samples were checked and rRNA depleted. After random priming, 40 million short cDNA reads were produced using Illumina RNA-Seq technology (Illumina Inc., San Diego, CA, USA). All reads were aligned to the pig reference genome and the produced genome-scale transcription maps consisted of both the transcript structure and the expression level of each gene mapped. Analysis of FD sperm RNA revealed a total of 18 357 sequence tags that were successfully mapped to all pig chromosomes and the mitochondrial genome. Frozen‐thawed spermatozoa showed only 16 864 sequence tags. In both FD and FT samples, chromosomes 1, 2, 6, 7, and 13 contained, in total, the highest density of mapped transcripts (>42%). Chromosome Y and mitochondrial RNAs had the lowest sequence tags mapped (<0.08%). A comparative analysis of FD and FT datasets revealed a net decrease in the total number of sequence tags (1493) with each chromosome being affected, except mitochondria. Chromosomes of FT samples showed a strong (>10%; 17, 7, 4, Y, and X) to moderate (10 to 5%) or weak (≤5%) reduction in RNA numbers. Structural annotation revealed a diverse population of sperm transcripts comprising both coding (mRNA) and noncoding (rRNA, snRNA, and mtRNA) RNAs. In both FD and FT samples, noncoding RNAs were among the most abundant sequence tags. Approximately 12 355 of sequence tags in FD v. 10 948 in FT spermatozoa were annotated with ENSEMBL and the selected genes are under investigation for comparative analyses using RT-PCR. In conclusion, mature boar spermatozoa contain a large pool of coding and non-coding RNAs that can be affected by the freezing-thawing procedure. Inflicted damage affects RNAs of all chromosomes with a great effect being seen on chromosome X. Generated datasets have the potential to lead to further study of the cryo-damage associated with reduced fertility of cryopreserved spermatozoa.
Study was supported by USDA-ARS Biophotonics initiative grant # 58-6402-3-0120 and MAFES-SRI grants.
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Liao S, Wang Y, Weng H. SU-E-P-11: Comparison of Image Quality and Radiation Dose Between Different Scanner System in Routine Abdomen CT. Med Phys 2015. [DOI: 10.1118/1.4923945] [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: 11/07/2022] Open
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Shen N, Qin Y, Wang Q, Liao S, Zhu J, Zhu Q, Mi H, Adhikari B, Wei Y, Huang R. Production of succinic acid from sugarcane molasses supplemented with a mixture of corn steep liquor powder and peanut meal as nitrogen sources by Actinobacillus succinogenes. Lett Appl Microbiol 2015; 60:544-51. [PMID: 25647487 DOI: 10.1111/lam.12399] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [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: 08/22/2014] [Revised: 01/13/2015] [Accepted: 01/26/2015] [Indexed: 12/16/2023]
Abstract
The potential of using corn steep liquor powder (CSLP), peanut meal (PM), soybean meal (SM), cotton meal (CM) and urea as the substitute of yeast extract (YE) as the nitrogen source was investigated for producing succinic acid (SA). Actinobacillus succinogenes GXAS137 was used as the fermenting bacterium and sugarcane molasses was used as the main substrate. None of these materials were able to produce SA as high as YE did. The CSLP could still be considered as a feasible and inexpensive alternate for YE as the yield of SA produced using CSLP was second only to the yield of SA obtained by YE. The use of CSLP-PM mixed formulation (CSLP to PM ratio = 2·6) as nitrogen source produced SA up to 59·2 g l(-1) with a productivity of 1·2 g l(-1) h(-1). A batch fermentation using a stirred bioreactor produced up to 60·7 g l(-1) of SA at the same formulation. Fed-batch fermentation that minimized the substrate inhibition produced 64·7 g l(-1) SA. These results suggest that sugarcane molasses supplemented with a mixture of CSLP and PM as the nitrogen source could be used to produce SA more economically using A. succinogenes. Significance and impact of the study: Succinic acid (SA) is commonly used as a platform chemical to produce a number of high value derivatives. Yeast extract (YE) is used as a nitrogen source to produce SA. The high cost of YE is currently the limiting factor for industrial production of SA. This study reports the use of a mixture of corn steep liquor powder (CSLP) and peanut meal (PM) as an inexpensive nitrogen source to substitute YE. The results showed that this CSLP-PM mixed formulation can be used as an effective and economic nitrogen source for the production of SA.
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Affiliation(s)
- N Shen
- Guangxi Key Laboratory of Subtropical Bio-resource Conservation and Utilization, College of Life Science and Technology, Guangxi University, Nanning, Guangxi, China
- State Key Laboratory of Non-Food Biomass and Enzyme Technology, National Engineering Research Center for Non-Food Biorefinery, Guangxi Academy of Sciences, Nanning, Guangxi, China
| | - Y Qin
- State Key Laboratory of Non-Food Biomass and Enzyme Technology, National Engineering Research Center for Non-Food Biorefinery, Guangxi Academy of Sciences, Nanning, Guangxi, China
| | - Q Wang
- Guangxi Key Laboratory of Subtropical Bio-resource Conservation and Utilization, College of Life Science and Technology, Guangxi University, Nanning, Guangxi, China
- State Key Laboratory of Non-Food Biomass and Enzyme Technology, National Engineering Research Center for Non-Food Biorefinery, Guangxi Academy of Sciences, Nanning, Guangxi, China
| | - S Liao
- Guangxi Key Laboratory of Subtropical Bio-resource Conservation and Utilization, College of Life Science and Technology, Guangxi University, Nanning, Guangxi, China
- State Key Laboratory of Non-Food Biomass and Enzyme Technology, National Engineering Research Center for Non-Food Biorefinery, Guangxi Academy of Sciences, Nanning, Guangxi, China
| | - J Zhu
- State Key Laboratory of Non-Food Biomass and Enzyme Technology, National Engineering Research Center for Non-Food Biorefinery, Guangxi Academy of Sciences, Nanning, Guangxi, China
| | - Q Zhu
- State Key Laboratory of Non-Food Biomass and Enzyme Technology, National Engineering Research Center for Non-Food Biorefinery, Guangxi Academy of Sciences, Nanning, Guangxi, China
| | - H Mi
- State Key Laboratory of Non-Food Biomass and Enzyme Technology, National Engineering Research Center for Non-Food Biorefinery, Guangxi Academy of Sciences, Nanning, Guangxi, China
| | - B Adhikari
- School of Applied Sciences, RMIT University, City Campus, Melbourne, Australia
| | - Y Wei
- Guangxi Key Laboratory of Subtropical Bio-resource Conservation and Utilization, College of Life Science and Technology, Guangxi University, Nanning, Guangxi, China
| | - R Huang
- Guangxi Key Laboratory of Subtropical Bio-resource Conservation and Utilization, College of Life Science and Technology, Guangxi University, Nanning, Guangxi, China
- State Key Laboratory of Non-Food Biomass and Enzyme Technology, National Engineering Research Center for Non-Food Biorefinery, Guangxi Academy of Sciences, Nanning, Guangxi, China
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Zhang J, Cui X, Wang L, Liu F, Jiang T, Li C, Li D, Huang M, Liao S, Wang J, Chen J, Jia H, He J, Tang Z, Yin Z, Liu M. The mitochondrial thioredoxin is required for liver development in zebrafish. Curr Mol Med 2015; 14:772-82. [PMID: 24894169 DOI: 10.2174/1566524014666140724103927] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2014] [Revised: 03/17/2014] [Accepted: 03/18/2014] [Indexed: 11/22/2022]
Abstract
Thioredoxins (Trxs) are a class of small molecular redox proteins that play an important role in scavenging abnormally accumulated reactive oxygen species (ROS). Thioredoxin 2 (Trx2) is one member of this family located in mitochondria. Trx2 protects cells from increased oxidative stress and has anti-apoptosis function. Knockout of Trx2 in mice led to early embryonic lethality. However, the essential role of Trx2 during embryogenesis remains unclear. To further investigate the role of Trx2 during embryonic development, we performed Trx2 knockdown in zebrafish and investigated the regulation role of Trx2 during embryonic development. Our results indicate that Trx2 had a high expression in early zebrafish embryos and its knockdown in zebrafish led to defective liver development mainly due to increased hepatic cell death. The increased ROS and the imbalance of members of the Bcl-2 family were involved in cell death induced by Trx2 suppression in zebrafish. The dysregulation of Bax, puma and Bcl-xl promoted the reduction of mitochondrial trans-membrane potential and the mitochondria membrane permeabilization (MMP), which initiated the mitochondrial apoptosis pathway. Additionally, we found that the increase of relocated GAPDH in mitochondria may be another factor responsible for the mitochondrial catastrophe.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - M Liu
- (M. Liu) College of Life Science and Technology, Center for Human Genome Research, Huazhong University of Science and Technology, 1037 Luoyu Rd, Wuhan, Hubei, 430074, P.R. China.
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Liao S, Yang D, Liu Z, Zhang J, Wang S. Time domain optimisation for monocular visual navigation: moving horizon approach. The Imaging Science Journal 2015. [DOI: 10.1179/1743131x15y.0000000014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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Sackmann J, Burlage K, Gerhardy C, Memering B, Liao S, Schomburg WK. Review on ultrasonic fabrication of polymer micro devices. Ultrasonics 2015; 56:189-200. [PMID: 25213312 DOI: 10.1016/j.ultras.2014.08.007] [Citation(s) in RCA: 20] [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: 04/09/2014] [Revised: 08/05/2014] [Accepted: 08/09/2014] [Indexed: 06/03/2023]
Abstract
Fabrication of micro devices from thermoplastic polymers by ultrasonic processing has become a promising new technology in recent years. Microstructures are generated on polymer surfaces with cycle times of a few seconds and are tightly sealed in even shorter times. Investment costs and energy consumption are comparatively low and processes are very flexible enabling economic fabrication even for small-scale production. For large-scale production role-to-role fabrication has been shown reducing costs even more. A variety of micro devices have been introduced up to now mostly for microfluidic applications. Besides this, electronic circuit boards are fabricated by ultrasonic processing.
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Affiliation(s)
- J Sackmann
- RWTH Aachen University, Konstruktion und Entwicklung von Mikrosystemen (KEmikro), Steinbachstraße 53 B, 52074 Aachen, Germany
| | - K Burlage
- RWTH Aachen University, Konstruktion und Entwicklung von Mikrosystemen (KEmikro), Steinbachstraße 53 B, 52074 Aachen, Germany
| | - C Gerhardy
- RWTH Aachen University, Konstruktion und Entwicklung von Mikrosystemen (KEmikro), Steinbachstraße 53 B, 52074 Aachen, Germany
| | - B Memering
- RWTH Aachen University, Konstruktion und Entwicklung von Mikrosystemen (KEmikro), Steinbachstraße 53 B, 52074 Aachen, Germany
| | - S Liao
- RWTH Aachen University, Konstruktion und Entwicklung von Mikrosystemen (KEmikro), Steinbachstraße 53 B, 52074 Aachen, Germany
| | - W K Schomburg
- RWTH Aachen University, Konstruktion und Entwicklung von Mikrosystemen (KEmikro), Steinbachstraße 53 B, 52074 Aachen, Germany
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Liao S, Bitoun JP, Nguyen AH, Bozner D, Yao X, Wen ZT. Deficiency of PdxR in Streptococcus mutans affects vitamin B6 metabolism, acid tolerance response and biofilm formation. Mol Oral Microbiol 2015; 30:255-68. [PMID: 25421565 DOI: 10.1111/omi.12090] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/20/2014] [Indexed: 11/28/2022]
Abstract
Streptococcus mutans, a key etiological agent of the human dental caries, lives primarily on the tooth surface in tenacious biofilms. The SMU864 locus, designated pdxR, is predicted to encode a member of the novel MocR/GabR family proteins, which are featured with a winged helix DNA-binding N-terminal domain and a C-terminal domain highly homologous to the pyridoxal phosphate-dependent aspartate aminotransferases. A pdxR-deficient mutant, TW296, was constructed using allelic exchange. PdxR deficiency in S. mutans had little effect on cell morphology and growth when grown in brain heart infusion. However, when compared with its parent strain, UA159, the PdxR-deficient mutant displayed major defects in acid tolerance response and formed significantly fewer biofilms (P < 0.01). When analyzed by real-time polymerase chain reaction, PdxR deficiency was found to drastically reduce expression of an apparent operon encoding a pyridoxal kinase (SMU865) and a pyridoxal permease (SMU866) of the salvage pathway of vitamin B6 biosynthesis. In addition, PdxR deficiency also altered the expression of genes for ClpL protease, glucosyltransferase B and adhesin SpaP, which are known to play important roles in stress tolerance and biofilm formation. Consistently, PdxR-deficiency affected the growth of the deficient mutant when grown in defined medium with and without vitamin B6 . Further studies revealed that although S. mutans is known to require vitamin B6 to grow in defined medium, B6 vitamers, especially pyridoxal, were strongly inhibitory at millimolar concentrations, against S. mutans growth and biofilm formation. Our results suggest that PdxR in S. mutans plays an important role in regulation of vitamin B6 metabolism, acid tolerance response and biofilm formation.
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Affiliation(s)
- S Liao
- Department of Oral and Craniofacial Biology, Louisiana State University Health Sciences Center, New Orleans, LA, USA.,Department of Comprehensive Dentistry and Biomaterials, Louisiana State University Health Sciences Center, New Orleans, LA, USA
| | - J P Bitoun
- Department of Oral and Craniofacial Biology, Louisiana State University Health Sciences Center, New Orleans, LA, USA.,Department of Comprehensive Dentistry and Biomaterials, Louisiana State University Health Sciences Center, New Orleans, LA, USA
| | - A H Nguyen
- Department of Oral and Craniofacial Biology, Louisiana State University Health Sciences Center, New Orleans, LA, USA
| | - D Bozner
- Center of Excellence for Oral and Craniofacial Biology, Louisiana State University Health Sciences Center, New Orleans, LA, USA
| | - X Yao
- Department of Oral and Craniofacial Biology, Louisiana State University Health Sciences Center, New Orleans, LA, USA.,Department of Comprehensive Dentistry and Biomaterials, Louisiana State University Health Sciences Center, New Orleans, LA, USA
| | - Z T Wen
- Department of Oral and Craniofacial Biology, Louisiana State University Health Sciences Center, New Orleans, LA, USA.,Department of Comprehensive Dentistry and Biomaterials, Louisiana State University Health Sciences Center, New Orleans, LA, USA.,Center of Excellence for Oral and Craniofacial Biology, Louisiana State University Health Sciences Center, New Orleans, LA, USA.,Department of Microbiology, Immunology and Parasitology, Louisiana State University Health Sciences Center, New Orleans, LA, USA
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Abstract
A green and facile approach to produce graphene using an environmentally friendly reagent, namely proanthocyanidin (PC) as a reducing agent was developed. The obtained graphene (PC-rGO) was characterized using Fourier transform infrared spectroscopy, X-ray diffraction, thermogravimetric analysis and X-ray photoelectron spectroscopy, confirming the effective reduction of GO. With the incorporation of PC-rGO into natural rubber (NR) latex, NR/PC-rGO composites were then prepared by an ultrasonically assisted latex mixing and the co-coagulation. The results show that PC-rGO presents a good dispersion and exfoliation in the NR matrix, contributing to an increase in the mechanical performance. Compared with neat NR, the tensile strength, modulus at 300%, and tear strength for NR composites containing 0.9 phr PC-rGO were increased by 50.2%, 154.9% and 65.2%, respectively. With increasing PC-rGO loading, cross-link density and storage modulus of NR composites increase because of the formation of cross-link points and physical interaction between PC-rGO and the matrix.
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Affiliation(s)
- L. Wu
- College of Agriculture, Hainan University, Haikou, China
| | - P. Qu
- College of Materials and Chemical Engineering, Hainan University, Haikou, China
| | - R. Zhou
- College of Materials and Chemical Engineering, Hainan University, Haikou, China
| | - B. Wang
- College of Materials and Chemical Engineering, Hainan University, Haikou, China
| | - S. Liao
- College of Materials and Chemical Engineering, Hainan University, Haikou, China
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Abstract
One of the leading causes for the failure of dental composite restorations is secondary caries. Effectively inhibiting cariogenic biofilms and reducing secondary caries could extend the service life of composite restorations. Dental composites releasing antibacterial agents such as chlorhexidine (CHX) have shown biofilm-inhibitory efficacy, but they usually have poor physical and mechanical properties. Herein, we present a study of a new method to encapsulate and release CHX from dental composite using mesoporous silica nanoparticles (MSNs). SBA-15 MSNs were synthesized according to a reported procedure. CHX (62.9 wt%) was encapsulated into dried MSN from 0.3 M CHX ethanol solution. The dental composites containing 0% (control), 3%, 5%, and 6.3% CHX or the same amounts of CHX entrapped in MSN (denoted as CHX@MSN) were fabricated with methacrylate monomers and silanized glass fillers (CHX or CHX@MSN + glass filler particle = 70 wt%). The monomer mixture consisted of bisphenol A glycidyl methacrylate (BisGMA), hexanediol dimethacrylate (HDDMA), ethoxylated bisphenol A dimethacrylate (EBPADMA), and urethane dimethacrylates (UEDMA) at a weight ratio of 40:30:20:10. The composites were tested for CHX release and recharge, flexural strength and modulus (at 24 hr and 1 mo), surface roughness, in vitro wear, and antibacterial activity against Streptococcus mutans and Lactobacillus casei (in both planktonic growth and biofilm formation). The results showed that the composites with CHX@MSN largely retained mechanical properties and smooth surfaces and showed controlled release of CHX over a long time. In contrast, the composites with directly mixed CHX showed reduced mechanical properties, rough surfaces, and burst release of CHX in a short time. The composites with CHX either directly mixed or in MSN showed strong inhibition to S. mutans and L. casei. This research has demonstrated the successful application of MSNs as a novel nanotechnology in dental materials to inhibit oral biofilm without sacrificing materials' mechanical properties and surface integrity.
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Affiliation(s)
- J F Zhang
- Department of Comprehensive Dentistry and Biomaterials, Louisiana State University Health Sciences Center School of Dentistry, 1100 Florida Ave., New Orleans, LA 70119, USA
| | - R Wu
- Department of Comprehensive Dentistry and Biomaterials, Louisiana State University Health Sciences Center School of Dentistry, 1100 Florida Ave., New Orleans, LA 70119, USA
| | - Y Fan
- Department of Comprehensive Dentistry and Biomaterials, Louisiana State University Health Sciences Center School of Dentistry, 1100 Florida Ave., New Orleans, LA 70119, USA
| | - S Liao
- Department of Comprehensive Dentistry and Biomaterials, Louisiana State University Health Sciences Center School of Dentistry, 1100 Florida Ave., New Orleans, LA 70119, USA
| | - Y Wang
- Department of Comprehensive Dentistry and Biomaterials, Louisiana State University Health Sciences Center School of Dentistry, 1100 Florida Ave., New Orleans, LA 70119, USA
| | - Z T Wen
- Department of Comprehensive Dentistry and Biomaterials, Louisiana State University Health Sciences Center School of Dentistry, 1100 Florida Ave., New Orleans, LA 70119, USA
| | - X Xu
- Department of Comprehensive Dentistry and Biomaterials, Louisiana State University Health Sciences Center School of Dentistry, 1100 Florida Ave., New Orleans, LA 70119, USA
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Liao S, Mei J, Song W, Liu Y, Tan YD, Chi S, Li P, Chen X, Deng S. The impact of the International Association of Diabetes and Pregnancy Study Groups (IADPSG) fasting glucose diagnostic criterion on the prevalence and outcomes of gestational diabetes mellitus in Han Chinese women. Diabet Med 2014; 31:341-51. [PMID: 24152069 DOI: 10.1111/dme.12349] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2013] [Revised: 09/26/2013] [Accepted: 09/27/2013] [Indexed: 02/04/2023]
Abstract
AIMS The International Association of Diabetes and Pregnancy Study Groups (IADPSG) proposed that a one-time value of fasting plasma glucose of 5.1 mmol/l or over at any time of the pregnancy is sufficient to diagnose gestational diabetes. We evaluated the repercussions of the application of this threshold in pregnant Han Chinese women. METHODS This is a retrospective study of 5360 (72.3% of total) consecutively recruited pregnant Han Chinese women in one centre from 2008 to 2011. These women underwent a two-step gestational diabetes diagnostic protocol according to the previous American Diabetes Association criteria. The IADPSG fasting plasma glucose criterion was used to reclassify these 5360 women. The prevalence, clinical characteristics and obstetric outcomes were compared among the women classified as having gestational diabetes by the previous American Diabetes Association criteria (approximately 90% were treated), those reclassified as having gestational diabetes by the single IADPSG fasting plasma glucose criterion (untreated), but not as having gestational diabetes by the previous American Diabetes Association criteria, and those with normal glucose tolerance. RESULTS There were 626 cases of gestational diabetes defined by the previous American Diabetes Association criteria (11.7%) and these cases were associated with increased risks of maternal and neonatal outcomes when compared with the women with normal glucose tolerance. With the IADPSG fasting plasma glucose criterion, another 1314 (24.5%) women were reclassified as having gestational diabetes. Gestational diabetes classified by the IADPSG fasting plasma glucose criterion was associated with gestational hypertension (P = 0.0094) and neonatal admission to nursery (P = 0.035) prior to adjustment for maternal age and BMI, but was no longer a predictor for adverse pregnancy outcomes after adjustment. CONCLUSION The simple IADPSG fasting plasma glucose criterion increased the Chinese population with gestational diabetes by 200%. The increased population with gestational diabetes was not significantly associated with excess obstetric and neonatal morbidity.
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Affiliation(s)
- S Liao
- Diabetes Center, Sichuan Provincial People's Hospital, Sichuan University, Chengdu, China
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Liao S, Woulfe T, Hyder S, Merriman E, Simpson D, Chunilal S. Incidence of venous thromboembolism in different ethnic groups: a regional direct comparison study. J Thromb Haemost 2014; 12:214-9. [PMID: 24283769 DOI: 10.1111/jth.12464] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.6] [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: 09/01/2013] [Accepted: 11/21/2013] [Indexed: 11/29/2022]
Abstract
BACKGROUND There are few studies that directly compare the variation in incidence of venous thromboembolism (VTE) according to ethnicity. OBJECTIVE The aim of this study was to compare the rates of VTE, deep venous thrombosis (DVT) and pulmonary embolism (PE) among different ethnic groups. METHOD The cases diagnosed with VTE, DVT and PE for a period between March 2004 and June 2009 were identified through the hospital-based database system. The 2006 New Zealand Census data were used to calculate the rate of diagnosis. RESULTS The observed annual incidence of VTE during this period was 81.6 per 100000 population. The relative risks of VTE when comparing European subjects with Maori, Pacific Island and Asian subjects after age standardization were 1.98 (95% confidence interval [CI], 1.63-2.41), 3.22 (95% CI, 2.60-3.99) and 4.02 (95% CI, 3.34-4.84), respectively. Relative risks of DVT after age standardization when comparing European subjects with Maori, Pacific Island and Asian subjects, were 2.14 (95% CI, 1.72-2.66), 3.20 (95% CI, 2.46-4.17) and 4.75 (95% CI, 3.80-5.94), respectively. Indirect age standardization was used for comparison of the diagnosis of PE. The ratio between the calculated expected number of cases and the actual number of cases was 1.32 (95% CI, 0.89-1.75) for Maori subjects, 2.96 (95% CI, 1.89-4.03) for Pacific Islanders and 3.89 (95% CI, 3.00-4.78) for Asians. CONCLUSION Europeans have a significantly higher incidence of VTE compared with Maori, Pacific Island and Asian populations.
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Affiliation(s)
- S Liao
- Department of General Medicine, Waikato District Health Board, Hamilton, New Zealand
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Zhao Y, Gui Z, Liao S, Gao F, Ge Y, Jia R. Prostate stem cell antigen rs2294008 (C>T) polymorphism and bladder cancer risk: a meta-analysis based on cases and controls. Genet Mol Res 2014; 13:5534-40. [DOI: 10.4238/2014.july.25.7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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