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Zheng R, Yu H, Zhang X, Ding Y, Xia M, Cao K, Shu J, Vlad A, Su BL. A TiSe 2 -Graphite Dual Ion Battery: Fast Na-Ion Insertion and Excellent Stability. Angew Chem Int Ed Engl 2021; 60:18430-18437. [PMID: 34038605 DOI: 10.1002/anie.202105439] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Indexed: 11/07/2022]
Abstract
The sodium dual ion battery (Na-DIB) technology is proposed as highly promising alternative over lithium-ion batteries for the stationary electrochemical energy-storage devices. However, the sluggish reaction kinetics of anode materials seriously impedes their practical implementation. Herein, a Na-DIB based on TiSe2 -graphite is reported. The high diffusion coefficient of Na-ions (3.21×10-11 -1.20×10-9 cm2 s-1 ) and the very low Na-ion diffusion barrier (0.50 eV) lead to very fast electrode kinetics, alike in conventional surface capacitive storage systems. In-situ investigations reveal that the fast Na-ion diffusion involves four insertion stage compositions. A prototype cell shows a reversible capacity of 81.8 mAh g-1 at current density of 100 mA g-1 , excellent stability with 83.52 % capacity retention over 200 cycles and excellent rate performance, suggesting its potential for next-generation large scale high-performance stationary energy storage systems.
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Lyu YY, Wu JJ, Guo W, Peng L, Wang YX, Wu M, Cao K, Jie Y. [Clinical observation and analysis on the effect of orthokeratology in myopic anisometropic children]. ZHONGHUA YU FANG YI XUE ZA ZHI [CHINESE JOURNAL OF PREVENTIVE MEDICINE] 2021; 55:471-477. [PMID: 33858058 DOI: 10.3760/cma.j.cn112150-20210203-00119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To evaluate the clinical effects of orthokeratology lens on children with myopic anisometropia. Methods: Retrospective case series study. The data of 226 myopic anisometropia children, (10.83±1.56)years old, including 95 males and 131 females, fitted with orthokeratology(OK) lens in Beijing Tongren Hospital from June 2017 to June 2019 were collected. According to the lens wearing condition and baseline anisometropia, they were divided into four groups: group A1 with an average age of (10.68±1.66) years (bilateral OK lens wearing with low anisometropia, 1.0 D≤SE difference<2.5 D, 50 males and 61 females), group A2 with an average age of (11.24±1.38) years (bilateral OK lens wearing with moderate and high anisometropia, SE difference≥2.5 D, 10 males and 23 females), group B1 with an average age of (10.79±1.51) years (unilateral OK lens wearing with low anisometropia, 1.0 D≤SE difference<2.5 D, 17 males and 21 females) and group B2 with an average age of (10.97±1.60) years (unilateral OK lens wearing with moderate and high anisometropia, SE difference≥2.5 D, 18 males and 26 females). After wearing OK lens for one year, the changes of axial length(AL) and AL difference were observed and statistically analyzed. Results: (1) AL changes: after wearing OK-lens for one year, AL of each eye increased. In group A1, the AL of the more myopic eyes and the less myopic eyes increased by (0.20±0.21) mm and (0.24±0.22) mm respectively, and the difference was statistically significant (t=-3.208, P=0.002); in group A2, the AL growth of the more myopic eyes and the less myopic eyes were (0.04±0.11) mm and (0.17±0.14) mm, and the difference was statistically significant (t=-5.545, P<0.001). In group B1, the AL elongation of the more myopic eyes and the less myopic eyes were (0.14±0.21) mm and (0.39±0.23) mm, and in group B2, the AL growth of the more myopic eyes and the less myopic eyes were (0.11±0.14) mm and (0.54±0.24) mm, with statistically significant differences(t=-6.533, -11.643; all P<0.001). There was a linear correlation between AL elongation and age of the more myopic eyes and the less myopic eyes in group A1(corrected R2=0.208, 0.237) and group A2 (corrected R2=0.169, 0.360). There was no linear correlation of the more myopic eyes and the less myopic eyes between AL change and age or baseline myopia in group B1 (F=0.514, 1.205;P=0.602, 0.312) and group B2 (F=0.841, 0.056; P=0.439, 0.946). (2)Change of AL difference: after wearing OK lens for one year, the changes of AL difference in groupA1, A2, B1 and B2 were (-0.04±0.14) mm,(-0.13±0.13) mm,(-0.26±0.24) mm and (-0.43±0.25) mm, and the decrease of AL difference in moderate and high anisometropia groups were greater than that in low anisometropia groups (t =-3.211, -3.180; P=0.002, 0.002).There was a linear correlation between the reduction of AL difference and baseline anisometropia in group A1, A2 and B2 (corrected R2=0.099, 0.149, 0.230), and there was no linear relationship between the decrease of AL difference and the baseline anisometropia in group B1 (F=0.014, P=0.908). Conclusions: Orthokeratology could effectively control the progression of myopia and to treat anisometropia. The effect of myopia control was better in the older binocular OK lens wearers, and for the patients with greater baseline anisometropia, the treatment effect of anisometropia was better.
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Ben Dhia S, Loap P, Loirat D, Vincent-Salomon A, Cao K, Escalup L, Fourquet A, Kirova Y. [Concurrent radiation therapy and dual HER2 blockade in breast cancer: Assessment of toxicity]. Cancer Radiother 2021; 25:424-431. [PMID: 33771453 DOI: 10.1016/j.canrad.2020.06.037] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 06/29/2020] [Accepted: 06/30/2020] [Indexed: 01/03/2023]
Abstract
PURPOSE The tolerance of the concurrent use of radiotherapy, pertuzumab and trastuzumab is unknown. The purpose of this study was to evaluate the toxicity of this association in patients treated for HER2 positive metastatic and/or locally recurrent unrespectable breast cancer. MATERIAL AND METHODS A retrospective study was performed in our institution for all consecutive patients treated with concurrent irradiation, pertuzumab and trastuzumab. The radiotherapy was performed while pertuzumab and trastuzumab were administrated as a maintenance treatment at the dose of 420mg (total dose) and 6mg/kg respectively every 3 weeks without chemotherapy. Toxicity was assessed according to the National Cancer Institute Common Terminology Criteria for Adverse Events version 4.0. Left ventricular ejection fraction (LVEF) was measured at baseline and then every 3-4 months. RESULTS We studied 77 patients. treated in between 2013 and 2019 with median follow-up of 38 months (range 0-264 months). Median age was 53 years (33-86). There were 50 patients (64.9%) with metastatic and 27 patients (35.1%) with recurrent disease. All patients received docetaxel followed by P-T as first line treatment and they received 34 cycles (10-85) of pertuzumab and trastuzumab. All patients experienced partial or complete response according to RECIST criteria. Irradiation volumes were whole breast (41 patients, 53.2%) and chest wall (29 patients, 37.7%) at a dose of 50Gy with a median duration of 39 days. Radiotherapy of lymph nodes was performed in 53 patients (68.8%) as following: supraclavicular-infraclavicular and axillary lymph nodes in 52 patients (67.5%), and internal mammary nodes in 31 patients (40.3%). For 20 patients. (26.0%) radiotherapy was palliative: bone irradiation (12 patients, 15.6%), whole-brain radiotherapy (2 patients, 2.6%), cerebral metastasis irradiation (6 patients). As early toxicity we observed: radio dermatitis as following: 36 patients (46.8%) presented grade I, 17 patients (22.1%) presented grade II, and 3 patients (3.9%) presented grade III. One patient (1.3%) presented grade II esophagitis. One patient (1.3%) presented asymptomatic decrease of LVEF during treatment and 6 patients (7.7%) presented a decrease of LVEF. There was no radiation-induced pneumonitis. As late toxicity, we observed 1 (1.3%) case of grade I and 1 (1.3%) with grade II telangiectasia. There was 1 case (1.3%) of grade III cardiac toxicity, 8 months after the concurrent treatment. CONCLUSION The concurrent use of radiotherapy, pertuzumab and trastuzumab is feasible with good tolerance. Larger prospective data with longer follow-up is needed to confirm these results.
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Zhang BY, Chen M, Chen XC, Cao K, You Y, Qian YJ, Yu WK. Berberine reduces circulating inflammatory mediators in patients with severe COVID-19. Br J Surg 2021; 108:e9-e11. [PMID: 33640910 PMCID: PMC7799351 DOI: 10.1093/bjs/znaa021] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Accepted: 09/07/2020] [Indexed: 01/14/2023]
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Liu H, He Y, Cao K, Wang S, Jiang Y, Liu X, Huang KJ, Jing QS, Jiao L. Stimulating the Reversibility of Sb 2 S 3 Anode for High-Performance Potassium-Ion Batteries. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2008133. [PMID: 33586294 DOI: 10.1002/smll.202008133] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Revised: 01/31/2021] [Indexed: 06/12/2023]
Abstract
Conversion-alloy sulfide materials for potassium-ion batteries (KIBs) have attracted considerable attention because of their high capacities and suitable working potentials. However, the sluggish kinetics and sulfur loss result in their rapid capacity degeneration as well as inferior rate capability. Herein, a strategy that uses the confinement and catalyzed effect of Nb2 O5 layers to restrict the sulfur species and facilitate them to form sulfides reversibly is proposed. Taking Sb2 S3 anode as an example, Sb2 S3 and Nb2 O5 are dispersed in the core and shell layers of carbon nanofibers (C NFs), respectively, constructing core@shell structure Sb2 S3 -C@Nb2 O5 -C NFs. Benefiting from the bi-functional Nb2 O5 layers, the electrochemical reversibility of Sb2 S3 is stimulated. As a result, the Sb2 S3 -C@Nb2 O5 -C NFs electrode delivers the rapidest K-ion diffusion coefficient, longest cycling stability, and most excellent rate capability among the controlled electrodes (347.5 mAh g-1 is kept at 0.1 A g-1 after 100 cycles, and a negligible capacity degradation (0.03% per cycle) at 2.0 A g-1 for 2200 cycles is delivered). The enhanced K-ion storage properties are also found in SnS2 -C@Nb2 O5 -C NFs electrode. Encouraged by the stimulated reversibility of Sb2 S3 and SnS2 anodes, other sulfides with high electrochemical performance also could be developed for KIBs.
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Cao K, Zhang Q, Wang NL. [Prevalence and risk factors of common blinding ocular diseases among people aged 30 years and above in rural area of Handan]. ZHONGHUA YI XUE ZA ZHI 2020; 100:3841-3845. [PMID: 33371628 DOI: 10.3760/cma.j.cn112137-20200824-02452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Objective: To explore the prevalence and risk factors of common blinding ocular diseases in the population aged 30 years and above in rural areas of Handan City from 2006 to 2012. Methods: A cohort study with 6 830 subjects from rural areas of Handan City, Hebei Province was designed and conducted. The follow-up duration was 6 years, and the prevalence and incidence of common blinding diseases were evaluated. Logistic regression was used to explore the influencing factors of common blinding ocular diseases. Results: In 2006, 6 830 people participated in the baseline survey. There were 3 163 (46.31%) males and 3 667 (53.69%) females. The average age was (52.3±12.2) years (range, 30 to 97 years). There were 3 435 subjects who had common chronic systematic diseases, with a prevalence of 50.29%. In addition, 1 250 people suffered from common blinding ocular diseases, and the prevalence was 18.30%. There were 4 118 subjects without common blinding ocular diseases at baseline who participated in the six-year follow-up, during the 6-year follow-up, 247 participants developed common blinding ocular diseases. 9% (171/1 899) of patients with chronic systematic diseases developed common blinding ocular diseases, while only 3.42% (76/2 219) of normal subjects developed common blinding ocular diseases, with a statistically significant difference (χ(2)=56.504, P<0.001). The incidence of common blinding ocular diseases was age-dependent. Multivariate regression analysis showed that age (OR=1.045, 95%CI: 1.028-1.062, P<0.001), intraoccular pressure (IOP) (OR=1.064, 95% CI: 1.014-1.116, P=0.011) and baseline chronic diseases (OR=1.749, 95% CI: 1.288-2.375, P<0.001) were risk factors for common blinding ocular diseases. Moreover, the contribution of age, IOP and chronic systematic diseases to the model was 0.436, 0.084 and 0.511, respectively. Conclusions: The prevalence of common blinding ocular diseases among people over 30 years old in Handan is relatively high. From 2006 to 2012, about 1.5% patients of chronic systematic diseases developed common blinding ocular diseases each year. Moreover, chronic systematic diseases increase the risk of blinding ocular diseases sharply, and the effect is stronger than age and intraocular pressure.
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Clarke R, Hossain K, Cao K. Physiological roles of transverse lipid asymmetry of animal membranes. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2020; 1862:183382. [DOI: 10.1016/j.bbamem.2020.183382] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Revised: 06/01/2020] [Accepted: 06/02/2020] [Indexed: 02/07/2023]
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Cao K, Zhang H, Gao Z, Liu Y, Jia Y, Liu H. Boosting glucose oxidation by constructing Cu–Cu2O heterostructures. NEW J CHEM 2020. [DOI: 10.1039/d0nj03700a] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
An octahedral Cu–Cu2O heterostructure with loose and porous structure was fabricated and exhibits enhanced electrocatalytic activity towards glucose oxidation.
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Zhang Z, Wu S, Yang C, Zheng L, Xu D, Zha R, Tang L, Cao K, Wang X, Zhou Z. Li‐N
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Batteries: A Reversible Energy Storage System? Angew Chem Int Ed Engl 2019; 58:17782-17787. [DOI: 10.1002/anie.201911338] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Indexed: 11/08/2022]
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Zhang Z, Wu S, Yang C, Zheng L, Xu D, Zha R, Tang L, Cao K, Wang X, Zhou Z. Cover Picture: Li‐N
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Batteries: A Reversible Energy Storage System? (Angew. Chem. Int. Ed. 49/2019). Angew Chem Int Ed Engl 2019. [DOI: 10.1002/anie.201913890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Zhang Z, Wu S, Yang C, Zheng L, Xu D, Zha R, Tang L, Cao K, Wang X, Zhou Z. Titelbild: Li‐N
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Batteries: A Reversible Energy Storage System? (Angew. Chem. 49/2019). Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201913890] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Zhang Z, Wu S, Yang C, Zheng L, Xu D, Zha R, Tang L, Cao K, Wang X, Zhou Z. Li‐N
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Batteries: A Reversible Energy Storage System? Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201911338] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Cao K, Liu H, Li W, Han Q, Zhang Z, Huang K, Jing Q, Jiao L. CuO Nanoplates for High-Performance Potassium-Ion Batteries. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2019; 15:e1901775. [PMID: 31339229 DOI: 10.1002/smll.201901775] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Revised: 07/11/2019] [Indexed: 05/28/2023]
Abstract
Potassium-ion batteries (KIBs) are promising alternatives to lithium-ion batteries because of the abundance and low cost of K. However, an important challenge faced by KIBs is the search for high-capacity materials that can hold large-diameter K ions. Herein, copper oxide (CuO) nanoplates are synthesized as high-performance anode materials for KIBs. CuO nanoplates with a thickness of ≈20 nm afford a large electrode-electrolyte contact interface and short K+ ion diffusion distance. As a consequence, a reversible capacity of 342.5 mAh g-1 is delivered by the as-prepared CuO nanoplate electrode at 0.2 A g-1 . Even after 100 cycles at a high current density of 1.0 A g-1 , the capacity of the electrode remains over 206 mAh g-1 , which is among the best values for KIB anodes reported in the literature. Moreover, a conversion reaction occurs at the CuO anode. Cu nanoparticles form during the first potassiation process and reoxidize to Cu2 O during the depotassiation process. Thereafter, the conversion reaction proceeds between the as-formed Cu2 O and Cu, yielding a reversible theoretical capacity of 374 mAh g-1 . Considering their low cost, easy preparation, and environmental benignity, CuO nanoplates are promising KIB anode materials.
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Wan Y, Wang NL, Hao J, Dong Z, Zhang Y, Cao K. [Changes of eye care use among rural adults under the reform of New Rural Cooperative Medical Scheme: the Handan Eye Study]. [ZHONGHUA YAN KE ZA ZHI] CHINESE JOURNAL OF OPHTHALMOLOGY 2019; 54:570-579. [PMID: 30107649 DOI: 10.3760/cma.j.issn.0412-4081.2018.08.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To assess the utilization of eye care services in the rural area of Handan, China under the New Rural Cooperative Medical Scheme, and to analyze the factors associated with the uptake of these services. Methods: In a cohort population-based study, subjects who joined both the baseline (2006-2007) and follow-up (2012-2013) were included. Information of demographic characteristics, participation in the New Rural Cooperative Medical Insurance and use of eye care services, comprehensive ophthalmic examinations, blood pressure and fasting was collected. The protocol got approved by the ethics committee of Beijing Tongren Hospital, and each subject signed the informed consent. Results: Of 5 193 eligible participants, 549 [10.6%; 95% confidence interval (CI), 9.8%-11.4%] had used eye care services, and the prevalence had no significant difference from baseline surveys (P=0.20). The municipal hospitals undertook 50.1% of eye care services. "No need" (4 422, 95.2%) was the most common reason cited for not using an eye care service; 2 875 (65.0%) of these participants had at least one type of eye diseases, 3 505 (79.3%) had at least one type of ocular complaints. In the multiple binary logistics regression model, participants who were elder [adjusted odds ratio (OR), 1.319; 95%CI, 1.177-1.478], were female (adjusted OR, 1.466; 95%CI, 1.085-1.981), had a diabetes history (adjusted OR, 1.930; 95%CI, 1.381-2.696), had a low income (adjusted OR, 0.826; 95%CI, 0.688-0.922), had ocular complaints (adjusted OR, 3.556; 95%CI, 2.484-5.091), had refractive errors (adjusted OR, 1.256; 95%CI, 1.007-1.567), had visual impairment (adjusted OR, 4.398; 95%CI, 2.667-7.253) or had cataract (adjusted OR, 1.278; 95%CI, 1.013-1.612) were more likely to take an eye care service. Conclusions: Under the New Rural Cooperative Medical Scheme, the prevalence of New Rural Cooperative Medical Insurance was increased significantly, but the rate of eye care use in the rural area was still low. Further efforts towards higher quality medical service in county hospitals and village clinics as well as better education about eye disease among the rural population may raise the eye care use in rural areas. (Chin J Ophthalmol, 2018, 54:570-579).
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Sun YX, Xie Y, Liu XX, Guo YQ, Pang RQ, Zhang X, Cao K, Tian N, Wang HZ, Zhang C, Wang NL. [Spontaneous focal lamina cribrosa defect in glaucoma and its relationship with nonprogressive glaucomatous neuropathy]. [ZHONGHUA YAN KE ZA ZHI] CHINESE JOURNAL OF OPHTHALMOLOGY 2019; 55:338-346. [PMID: 31137145 DOI: 10.3760/cma.j.issn.0412-4081.2019.05.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the relationship between the spontaneous focal lamina cribrosa (LC) defect and the progression of visual field defect (VFD) in primary open-angle glaucoma (POAG). Methods: Case-control study. The patients who were diagnosed as POAG with at least 5 visual field results had been collected from June 2018 to January 2019 at Beijing Tongren Hospital Affiliated to Capital Medical University. Serial imaging by swept source optical coherence tomography B-Scan of the optic discs were acquired at the end of the follow-up and LC defects status were reviewed. Intraocular pressure, mean defects of visual field, central corneal thickness and axis length were recorded in the follow-up duration. Eyes were classified as having either progressive or nonprogressive VFD, and associating factors were evaluated by χ(2) or Fisher's test, mixed-effect model analysis and multivariate Logistical regression analysis. Results: A total of 32 subjects (64 eyes) were enrolled in the study with mean age of (47±14) years, the group consisted of 17 males and 15 females. Fourty-five eyes showed nonprogressive VFD. LC defects were more common in eyes without (28/45) rather than with progressive VFD (5/19) (χ(2)=6.896, P=0.009). Eyes with nonprogressive VFD showed longer axis length[(26.82±1.34) mm vs. (25.79±1.44) mm; t=6.589, P=0.013] and wider LC defects diameter[211 (165-326) μm vs. 114 (106-156) μm; Z=4.797, P=0.042]. Multivariate Logistic regression analysis revealed that the presence of LC defect was significantly associated with nonprogressive VFD (odds ratio=0.217, P=0.012). There were 7 subjects with asymmetry VFD and the incedence of LC defects without progression (7/7) is higher than fellow eye with progression (1/7, P=0.002). There was only one patient with progressive VFD showed one LC defect with an smaller diameter (169 μm) than that in the contralateral eyes with stable VFD (269 μm). Conclusions: LC defects are more common in eyes with nonprogressive VFD. Spontaneous LC defects are associated with nonprogressive glaucomatous defects and could be a protective factor for POAG. (Chin J Ophthalmol, 2019, 55:338-346).
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Zhang B, Cao K, Liu Z, Shan W, Wen Q, Wang R. Receptor interacting protein kinase 3 promotes cisplatin-induced necroptosis in apoptosis-resistant HepG2/DDP cells. Neoplasma 2019; 66:694-703. [PMID: 31129968 DOI: 10.4149/neo_2018_180710n466] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Accepted: 02/14/2019] [Indexed: 11/08/2022]
Abstract
Hepatocellular carcinoma is the most common primary malignancy of the liver. The chemotherapeutic drug cisplatin is widely used for advanced liver cancer. However, the development of cisplatin resistance in cancer cells, which is related to the decreased cellular susceptibility to apoptosis, results in a major limitation of cisplatin-based chemotherapy. Recently, triggering necroptosis has been proposed to be a novel therapeutic strategy to eradicate apoptosis-resistant cancer cells. In this study, we provided evidence that cisplatin could induce cell death in HepG2 cells, but not in the apoptosis-resistant HepG2/DDP cells. Ectopic expression of RIP3 promoted cisplatin-induced HepG2/DDP cells death, HMGB1 and LDH release. Moreover, we demonstrated that this type of cell death was necroptosis and depended on RIP1-RIP3-MLKL signaling pathway because inhibition of MLKL activity by necrosulfonamide (NSA) or knockdown of RIP1 significantly attenuated cisplatin-induced cell death in HepG2/DDP-RIP3 cells. Finally, we found that ectopic expression of RIP3 sensitized HepG2/DDP cancer cells to cisplatin treatment in vivo. The findings offer new insights into the molecular mechanisms underlying cisplatin-induced necroptosis in liver cancer cells and suggest that combination of cisplatin with other drugs which can restore RIP3 expression in cancer cells maybe a better choice for therapy of apoptosis-resistant cancer.
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Cao K, Liu H, Li W, Xu C, Han Q, Zhang Z, Jiao L. K2Ti6O13 nanorods for potassium-ion battery anodes. J Electroanal Chem (Lausanne) 2019. [DOI: 10.1016/j.jelechem.2019.04.020] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Johal NS, Arthurs C, Cuckow P, Cao K, Wood DN, Ahmed A, Fry CH. Functional, histological and molecular characteristics of human exstrophy detrusor. J Pediatr Urol 2019; 15:154.e1-154.e9. [PMID: 30745011 DOI: 10.1016/j.jpurol.2018.12.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Revised: 11/07/2018] [Accepted: 12/20/2018] [Indexed: 11/18/2022]
Abstract
INTRODUCTION Bladder exstrophy is a congenital anomaly involving foetal exposure and protrusion of the open bladder through an incomplete lower abdominal wall. Techniques to surgically correct exstrophy after birth have greatly improved, but it still presents a major challenge to achieve continence and a good quality of life for patients and their families as the pathophysiology of bladder dysfunction is unknown. OBJECTIVES A multimodal approach was used to characterise the histological and biomechanical properties of exstrophy detrusor. These were correlated with myocyte responses to agonists and an evaluation of developmental signalling pathways to evaluate the cause of bladder dysfunction in exstrophy. STUDY DESIGN Detrusor muscle specimens were obtained during corrective surgery from four exstrophy groups: neonatal (1-3 days, n = 8), younger children (7 months-5 years, n = 13) and older children (8-14 years, n = 11) undergoing secondary procedures and cloacal exstrophy (16 days-9 years, n = 9); control specimens were obtained from children (3 months-9 years, n = 14) undergoing surgery for other pathologies but with normal bladder function. Five lines of experiments were undertaken: measurement of connective tissue to detrusor muscle ratio, contractile responses to electrical and agonist stimulation; in vitro biomechanical stiffness, intracellular Ca2+ responses to contractile agonists and immunohistochemistry for proteins (MMP-7, cyclinD1, β-catenin and c-myc) involved in fibrosis generation. Exstrophy data were compared with those from the control group. RESULTS Exstrophy tissue demonstrated reduced smooth muscle compared with connective tissue, reduced contractile responses and greater mechanical stiffness. However, intracellular Ca2+ responses to agonists were maintained. These changes were greatest in neonatal and cloacal exstrophy samples and least in those from older paediatric bladders. Immunolabelled MMP-7, β-catenin and c-myc were reduced in exstrophy samples. DISCUSSION These results highlight the reality that newborns with exstrophy have significantly reduced compliance and bladder underactivity, which may persist or return to normal values with surgery and age. The primary cause of underactivity is increased connective tissue in relation to detrusor muscle; however, detrusor myocyte function remains normal. Finally, the increase of the smooth muscle content in the paediatric bladder group indicates a remodelling response of the bladder to surgical correction and time. Excess gestational fibrosis is associated with changed expression of key proteins in the Wnt-signalling pathway, a potential aetiological factor and therapeutic target. CONCLUSION Results point to connective tissue deposition as the primary pathological process that determines bladder function with normal myocyte function. Future research that reduces connective tissue deposition may lead to improvement in outcomes for these children.
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Su GY, Zheng PP, Su YD, Cao K, Gao C, Zhang Y, Li B, Liang QF. [Therapeutic efficacy of ultraviolet combined with riboflavin for the rabbit bacterial keratitis]. [ZHONGHUA YAN KE ZA ZHI] CHINESE JOURNAL OF OPHTHALMOLOGY 2018; 54:902-910. [PMID: 30526789 DOI: 10.3760/cma.j.issn.0412-4081.2018.12.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To study the effects of ultraviolet light combined with riboflavin treatment (corneal collagen-crosslinking, CXL) on infectious control and stromal reconstruction of bacterial keratitis. Methods: Experimental Study. A Staphylococcus aureus rabbit keratitis model was established by injecting Staphylococcus aureus broth into the shallow stromal layer of the right eye cornea of New Zealand white rabbits. Forty-four rabbits that successfully established the model were randomly divided into four groups: corneal collagen cross-linking (CXL) group, antibiotic group, CXL+ antibiotic group and untreated group, with 11 rabbits in each group. Before the treatment and at 3, 7, 14 and 28 days after treatment, slit lamp corneal examination, AS-OCT and in vivo confocal microscopy (IVCM) were performed. Clinical efficacy of different treatments were evaluated at different time points. Parameters including conjunctival hyperemia, corneal ulcer, infiltration, edema, and neovascular. Histopathological examinations of corneal lesions were performed in order to detect the infiltration, inflammatory cells and repair in corneal tissue. Normal data were compared with paired t-test and non-normal data were compared with paired rank sum test before and after treatment. Kruskal-Wallis rank sum test was used to compare 4 groups of data and the generalized estimation equation is used to compare the repeated measurement data at each time point and the comparison between the groups of the treatment groups. Results: After treatment, different time points and specimens for pathological observation, we obtained the following results:Conjunctival hyperemia: in CXL and CXL+ antibiotic groups after treatment for 3 days from treatment before 3 (2, -4) and 3 (2, -3),The reduction was 2 (1, -3) and 2 (1, -2), the difference was statistically significant (Z=-3.91, -5.50; P<0.008); 14 days, the antibiotic group changed from 3 (3, -4) to 2 (1, -2) after treatment, the difference was statistically significant (Z=-5.11, P<0.008); the untreated group had no statistical significance before and after treatment. After 14 days of treatment, the area of corneal ulcer (0.08±0.11) cm(2), (0.07±0.05) cm(2) in CXL group and CXL+ antibiotic group was significantly lower than that before treatment (0.40±0.18) cm(2), (0.49±0.24) cm(2). The difference was statistically significant. Significance (Z=-3.29, -3.64; P<0.008); after 14 days of treatment, after 14 days of treatment, neovascularization in the CXL and CXL+ antibiotic groups began to resolve, 1 (1, -2) and 1 (0, -2) at 7 days of treatment. decreased to 1 (1, -1) and 0 (0, -1), the difference was statistically significant (Z=4.57, 3.80; P<0.012 5); The degree of corneal edema was significantly reduced in the CXL group and the CXL+ antibiotic group at 14 days after treatment, which was reduced from (650±154) μm and (785±255) μm before the treatment to (432±95) μm and (455±109) μm, the difference was statistically significant (t=4.50, 4.92; P=0.00); The density of corneal stromal cells was also reduced from (446±257)/mm(2), (321±145)/mm(2) to (107±66)/mm(2), (114±94)/mm(2), the difference was statistically significant (t=4.15, 4.76; P<0.05). Histopathological observation under light microscope showed that most of the corneal ulcers healed in the CXL group and the CXL+ antibiotic group at 7 days of treatment. The epithelial cells were clearly visible and misaligned, and a small amount of neutrophils in the stromal layer. The upper epithelial layer was treated for 14 days. The cells are arranged neatly, the structure is clear, and the inflammatory cells are significantly reduced. Conclusion: Ultraviolet light combined with riboflavin corneal collagen cross-linking has a certain therapeutic effect on rabbit bacterial keratitis infection control and ulcer repair, and can be used as an auxiliary treatment for antibiotics. (Chin J Ophthalmol, 2018, 54:902-910).
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Liang QF, Du XH, Su GY, Zhang Y, Wang ZQ, Cao K. [Genetic typing and susceptibility testing of strains from Staphylococcus aureus keratitis or conjunctivitis patients]. [ZHONGHUA YAN KE ZA ZHI] CHINESE JOURNAL OF OPHTHALMOLOGY 2018; 54:767-774. [PMID: 30347565 DOI: 10.3760/cma.j.issn.0412-4081.2018.10.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To study the relationship between genetic typing and the antibiotic susceptibility of staphylococcus aureus (SA) isolated from keratitis or conjunctivitis patients. Methods: Experimental study. Thirty-four (34) strains of Staphylococcus aureus were isolated from 34 cases of keratitis or conjunctivitis. The genomic DNA was extracted and amplified with PCR. With the method of multi locus sequences typing (MLST), gene fragments from 7 house-keeping genes were amplified and the products were sequenced. The results were submitted to the MLST website (www.pubmlst.org). In comparison with the allele of the corresponding gene, the allele spectrums of the strain were obtained with 7 housekeeping genes. At last, the MLST genotypes of the isolated strains were determined. With the START software, the evolutionary tree was established with UPGMA method. With the microdilution method, the MIC(90) of 13 antimicrobial agents was determined. The MIC(90) value of antimicrobial agents among different genotypes of Staphylococcus aureus was comparatively analyzed. Results: Ten (10) genotypes were obtained from 34 strains of Staphylococcus aureus. The dominant types were ST239, ST2592 and ST188. The clustering of genotyping was relatively concentrated, mainly in group Ⅰ (25 strains of SA, 83.3% of the total), and followed by group Ⅱ (5 strains of SA, 16.7%). The conjunctival isolates were distributed in the subgroup A of group Ⅰ. The cornea isolates were concentrated in subgroup B and group Ⅱ. With the exact probability method, the R×C chi square tests were used as statistic analysis method. The difference between the bacterial genotyping of two sources was statistically significant (P=0.011). Twenty-four strains of SA in group Ⅰ was sensitive to Vancomycin, Rifampicin and Amikacin (sensitivity ratio was 24/24, 20/24 and 20/24, respectively), and was generally resistant to other antibiotics. The values of MIC(90) of ciprofloxacin, ofloxacin, gatifloxacin and moxifloxacin to Staphylococcus aureus in subgroup A (0.16±0.07, 0.51±0.42, 0.31±0.14, 0.22±0.33) were significantly lower than the values in subgroup B(0.74±0.11, 0.84±0.45, 0.67±0.03, 0.68±0.26). The difference was statistically significant (P=0.004, 0.026, 0.034, 0.001). There was no significant difference between the MIC(90) values of the other 9 kinds of antibiotics in the subgroup A and in the subgroup B of Staphylococcus aureus (P value 0.047-0.561). Conclusion: The genotype of Staphylococcus aureus of corneal isolations and conjunctival isolations were different. The conjunctival isolates were distributed in the subgroup A of group Ⅰ and the corneal isolates were concentrated in subgroup B and group Ⅱ. There is a significant correlation between the MLST genotypes and antibiotic sensitivity. (Chin J Ophthalmol, 2018, 54:767-774).
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Cao K, Turner M, Mishrah P, Cuckow P. The rare case of an extraperitoneal ureteral herniation into the inguinal canal of a 12-year-old boy. Ann R Coll Surg Engl 2018; 101:e32-e34. [PMID: 30286654 DOI: 10.1308/rcsann.2018.0176] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Ureteric herniation into the inguinal canal is a rare condition in adults and even more so in the paediatric population. These hernia types can be categorised as paraperitoneal or extraperitoneal. The former are the only varieties encountered in the paediatric literature, where patients are generally infants, while the latter phenomenon is seen in 20% of ureteric herniations in adults. We present a case of an extraperitoneal ureteric herniation into the inguinal canal in a 12-year-old boy with previous surgery for cloacal exstrophy, analyse the existing literature on the condition and make the speculation that the extraperitoneal variety is an adult variant seen in this child because of weakness in the surrounding structures as a result of previous surgery.
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Liang QF, Huang JJ, Cao K, Su GY, Wang ZQ, Zhang Y, Li B. [Histopathology manifestation and imaging characteristics of in vivo confocal microscopy for diagnosis of ocular surface squamous neoplasia]. [ZHONGHUA YAN KE ZA ZHI] CHINESE JOURNAL OF OPHTHALMOLOGY 2018; 54:652-660. [PMID: 30220179 DOI: 10.3760/cma.j.issn.0412-4081.2018.09.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To study the histopathology manifestation and imaging characteristics of in vivo confocal microscopy (IVCM) for diagnosis of ocular surface squamous neoplasia (OSSN) and analyze the reliability of IVCM in differential diagnosis from OSSN cases. Methods: A prospective study. Twenty-three patients (23 eyes) with OSSN were collected from September 2015 to November 2017 in Beijing Tongren Eye center. They were underwent the examinations sequentially as follows: visual examination; slit-lamp microscope examination and ocular surface photography; color fundus image; anterior segment optical coherence tomography examination; IVCM examination and histopathology examination after surgery. With histopathology diagnosis, all subjects were divided into two groups: conjunctival intraepithelial neoplasm (CIN) and squamous cell carcinoma (SCC). Compared with histopathological findings, the IVCM results (cell morphology, cytoplasm and nucleus) of OSSN were analyzed. The difference analysis between the count data of two groups was carried out by the chi square test or Fisher's exact test. Receiver operating characteristic curve and area under the curve (AUC) were used to describe the accuracy of each parameter to differentiate SCC from OSSN. Results: There were 12 males and 11 females among the 23 patients aged (62±15) years. With the histopathological diagnosis, there were 15 cases (15 eyes) in the CIN group and 8 cases (8 eyes) in the SCC group. Eye redness, pain, foreign body sensation and tears were the symptoms of OSSN. There was no significant difference in clinical symptoms between the CIN and SCC groups. The size of tumors and the incidence of trophoblastic vessels in the SCC group were greater than those in the CIN group [8.5(6.5-15.5) mm vs. 5.8(4.0-8.5)mm, Z=4.702,P=0.029; 7/8 vs. 5/15, χ2=6.135, P=0.013). In histopathology, multilayered epithelia with cellular polymorphism, varied cytoplasm staining, and slightly thicker nuclei were observed in the CIN group. The corneal epithelial cells of SCC patients were markedly heterogeneous, and the intercellular bridge structure can be detected. Proliferative cells appeared with spindle shaped cells, nuclear mitotic figures and syncytial cells in the SCC group. The IVCM examination in the CIN group and SCC group showed that the cytoplasm was high and the ratio of nuclear plasma increased. There was no significant difference between the two groups in the size of epithelial cells, cytoplasm reflectivity, and nuclear cytoplasm ratio (P=0.053, 0.108, 0.067). The proportions of nuclear mitotic figures, spindle or chimeric cells, nests of whirlpool cells and the abnormal cells of the superficial stroma layer (8/8, 8/8, 8/8 and 8/8) in the SCC group was higher than those (2/15, 1/15, 4/15 and 0/15) in the CIN group, and the difference was statistically significant (P=0.001, 0.001, 0.003; P<0.001). Among these IVCM parameters, the abnormal cells of the superficial stroma layer had the highest diagnostic ability with the AUC value of 1.000, and the following AUC values were 0.933 for mitotic or double nuclei, 0.901 for spindle or chimeric cells, and 0.867 for the nests of whirlpool cells. Conclusions: The IVCM characteristics of OSSN are the dysplastic cells, hyper-reflective cytoplasm and increased nuclear plasma ratio in the corneal epithelium. Dysplastic cells appearing in the superficial stroma layer, nuclear mitotic figures and nests of vortex cells are the main IVCM parameters to support the malignant change of OSSN lesions. (Chin J Ophthalmol, 2018, 54: 652-660).
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Qiao LY, Cai XG, Li XX, Tan JX, Guan Z, Zhang Y, Li SZ, Cao K, Wang NL. [Retinal image quality in northern rural Chinese adult population]. [ZHONGHUA YAN KE ZA ZHI] CHINESE JOURNAL OF OPHTHALMOLOGY 2018; 54:593-598. [PMID: 30107652 DOI: 10.3760/cma.j.issn.0412-4081.2018.08.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Objective: To assess the retinal image quality of the normal northern rural Chinese adult population. Methods: A normal population-based, cross-sectional study. From Oct, 2012 to Jan 2013, a clustered, random sampling procedure was used to select normal population who visual acuity≤ 0(LogMAR) and 30-69 years old from 2 villages. All eligible subjects were invited to undergo a comprehensive eye examination, and the retinal image quality related index were examined with pupil 4 mm using objective optical quality analysis systemⅡ(OQAS Ⅱ, Visiometrics, Spain), including MTFcutoff, VA20, VA9, PSF50, PSF10, OSI, SR. And describe the retinal image quality of different age group, including 30-39y, 40-49y, 50-59y, 60-69y. Results: Among 1 108 participants (61.9%) that completed examinations in our center, 681 participants (1 362 eyes) were recruited. There were 146, 586, 440 and 190 eyes in each group. The spherical equivalent refraction of each group was (-0.35±0.84), (-0.19±0.50), (-0.03±0.54) and (0.20±0.71) D. The best corrected vision acuity of each group was -0.02±0.04, -0.01±0.03, -0.01±0.02 and -0.00±0.01. The MTFcutoff of each group was (37.06±9.31), (36.69±8.93), (36.52±9.05) and (32.61±10.08) c/deg. Retinal imaging parameters were significantly different(MTFcutoff: MD=4.45, SR:MD=0.03, PSF50: MD=-0.45, PSF10: MD=-2.87, VA20:MD=0.13, A9:MD=0.09, OSI:MD=-0.41, P<0.001)between aged 30-39 group and aged 60-69 group. Objective scattering index (OSI) were significantly different(MD=-0.13, P=0.004)between aged 30-39 group and aged 50-59 group. Retinal imaging parameters were significantly different(MTFcutoff:MD=4.45, SR:MD=0.03, PSF50:MD=-0.45, PSF10:MD=-2.87, VA20:MD=0.13, VA9: MD=0.09, OSI: MD=-0.41, P<0.001)between aged 40-49 group and aged 60-69 group. Retinal imageing parameters were significantly different(MTFcutoff: MD=4.45, SR: MD=0.03, PSF50: MD=-0.45, PSF10: MD=-2.87, VA20:MD=0.13, VA9:MD=0.09, OSI:MD=-0.41,P<0.001)between aged 50-59 group and aged 60-69 group. Conclusion: Retinal image quality was gradually worse over time in the northern rural Chinese adult population. (Chin J Ophthalmol, 2018, 54:593-598).
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He YJ, Li XT, Fan ZQ, Li YL, Cao K, Sun YS, Ouyang T. [Application of decision curve on evaluation of MRI predictive model for early assessing pathological complete response to neoadjuvant therapy in breast cancer]. ZHONGHUA YI XUE ZA ZHI 2018; 98:260-263. [PMID: 29397610 DOI: 10.3760/cma.j.issn.0376-2491.2018.04.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To construct a dynamic enhanced MR based predictive model for early assessing pathological complete response (pCR) to neoadjuvant therapy in breast cancer, and to evaluate the clinical benefit of the model by using decision curve. Methods: From December 2005 to December 2007, 170 patients with breast cancer treated with neoadjuvant therapy were identified and their MR images before neoadjuvant therapy and at the end of the first cycle of neoadjuvant therapy were collected. Logistic regression model was used to detect independent factors for predicting pCR and construct the predictive model accordingly, then receiver operating characteristic (ROC) curve and decision curve were used to evaluate the predictive model. Results: ΔArea(max) and Δslope(max) were independent predictive factors for pCR, OR=0.942 (95%CI: 0.918-0.967) and 0.961 (95%CI: 0.940-0.987), respectively. The area under ROC curve (AUC) for the constructed model was 0.886 (95%CI: 0.820-0.951). Decision curve showed that in the range of the threshold probability above 0.4, the predictive model presented increased net benefit as the threshold probability increased. Conclusions: The constructed predictive model for pCR is of potential clinical value, with an AUC>0.85. Meanwhile, decision curve analysis indicates the constructed predictive model has net benefit from 3 to 8 percent in the likely range of probability threshold from 80% to 90%.
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Zhang K, Li N, Chen Z, Shao K, Zhou F, Zhang C, Mu X, Wan J, Li B, Feng X, Shi S, Xiong M, Cao K, Wang X, Huang C, He J. High Expression of Nuclear Factor of Activated T Cells in Chinese Primary Non-Small Cell Lung Cancer Tissues. Int J Biol Markers 2018; 22:221-5. [DOI: 10.1177/172460080702200310] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Purpose Nuclear factor of activated T cells (NFAT) has been reported to be involved in the development of various types of cancer including adenocarcinoma of the breast. This research was the first to investigate NFAT protein expression in primary non-small cell lung cancer (NSCLC) tissues from Chinese patients. Methods NFAT protein expression was determined in 130 surgically resected primary NSCLC and matched normal tissues by immunohistochemical analysis. The association between NFAT expression and clinical categorical variables was further analyzed with the SPSS software. Results We found that NFAT expression was much higher in 85 tumor tissues (65.4%) and lower in 45 tumor tissues (34.6%) compared with the matched normal tissues. Further statistical analysis by the chi-square test showed that high expression of NFAT proteins was significantly associated with tumor differentiation (p=0.045), invasion (p=0.031), histology (p<0.0001), tumor size (p=0.038) and cigarette smoking history (p=0.024). However, there was no correlation between the expression of NFAT proteins and pTNM classification, and no difference in 5-year survival rate between patients with high or low expression of NFAT proteins. Multivariate logistic regression analysis for the correlation between NFAT protein expression levels and various characteristics showed a significant association with histology (p=0.008, OR=0.273). Conclusion Our results revealed that high NFAT expression was present in Chinese NSCLCs and that NFAT expression might be involved in the process of human lung cancer development.
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