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Effects of empagliflozin on progression of chronic kidney disease: a prespecified secondary analysis from the empa-kidney trial. Lancet Diabetes Endocrinol 2024; 12:39-50. [PMID: 38061371 PMCID: PMC7615591 DOI: 10.1016/s2213-8587(23)00321-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND Sodium-glucose co-transporter-2 (SGLT2) inhibitors reduce progression of chronic kidney disease and the risk of cardiovascular morbidity and mortality in a wide range of patients. However, their effects on kidney disease progression in some patients with chronic kidney disease are unclear because few clinical kidney outcomes occurred among such patients in the completed trials. In particular, some guidelines stratify their level of recommendation about who should be treated with SGLT2 inhibitors based on diabetes status and albuminuria. We aimed to assess the effects of empagliflozin on progression of chronic kidney disease both overall and among specific types of participants in the EMPA-KIDNEY trial. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA), and included individuals aged 18 years or older with an estimated glomerular filtration rate (eGFR) of 20 to less than 45 mL/min per 1·73 m2, or with an eGFR of 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher. We explored the effects of 10 mg oral empagliflozin once daily versus placebo on the annualised rate of change in estimated glomerular filtration rate (eGFR slope), a tertiary outcome. We studied the acute slope (from randomisation to 2 months) and chronic slope (from 2 months onwards) separately, using shared parameter models to estimate the latter. Analyses were done in all randomly assigned participants by intention to treat. EMPA-KIDNEY is registered at ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and then followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroups of eGFR included 2282 (34·5%) participants with an eGFR of less than 30 mL/min per 1·73 m2, 2928 (44·3%) with an eGFR of 30 to less than 45 mL/min per 1·73 m2, and 1399 (21·2%) with an eGFR 45 mL/min per 1·73 m2 or higher. Prespecified subgroups of uACR included 1328 (20·1%) with a uACR of less than 30 mg/g, 1864 (28·2%) with a uACR of 30 to 300 mg/g, and 3417 (51·7%) with a uACR of more than 300 mg/g. Overall, allocation to empagliflozin caused an acute 2·12 mL/min per 1·73 m2 (95% CI 1·83-2·41) reduction in eGFR, equivalent to a 6% (5-6) dip in the first 2 months. After this, it halved the chronic slope from -2·75 to -1·37 mL/min per 1·73 m2 per year (relative difference 50%, 95% CI 42-58). The absolute and relative benefits of empagliflozin on the magnitude of the chronic slope varied significantly depending on diabetes status and baseline levels of eGFR and uACR. In particular, the absolute difference in chronic slopes was lower in patients with lower baseline uACR, but because this group progressed more slowly than those with higher uACR, this translated to a larger relative difference in chronic slopes in this group (86% [36-136] reduction in the chronic slope among those with baseline uACR <30 mg/g compared with a 29% [19-38] reduction for those with baseline uACR ≥2000 mg/g; ptrend<0·0001). INTERPRETATION Empagliflozin slowed the rate of progression of chronic kidney disease among all types of participant in the EMPA-KIDNEY trial, including those with little albuminuria. Albuminuria alone should not be used to determine whether to treat with an SGLT2 inhibitor. FUNDING Boehringer Ingelheim and Eli Lilly.
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T, Tamori Y, Tamura R, Tamura Y, Tan CHH, Tan EZZ, Tanabe A, Tanabe K, Tanaka A, Tanaka A, Tanaka N, Tang S, Tang Z, Tanigaki K, Tarlac M, Tatsuzawa A, Tay JF, Tay LL, Taylor J, Taylor K, Taylor K, Te A, Tenbusch L, Teng KS, Terakawa A, Terry J, Tham ZD, Tholl S, Thomas G, Thong KM, Tietjen D, Timadjer A, Tindall H, Tipper S, Tobin K, Toda N, Tokuyama A, Tolibas M, Tomita A, Tomita T, Tomlinson J, Tonks L, Topf J, Topping S, Torp A, Torres A, Totaro F, Toth P, Toyonaga Y, Tripodi F, Trivedi K, Tropman E, Tschope D, Tse J, Tsuji K, Tsunekawa S, Tsunoda R, Tucky B, Tufail S, Tuffaha A, Turan E, Turner H, Turner J, Turner M, Tuttle KR, Tye YL, Tyler A, Tyler J, Uchi H, Uchida H, Uchida T, Uchida T, Udagawa T, Ueda S, Ueda Y, Ueki K, Ugni S, Ugwu E, Umeno R, Unekawa C, Uozumi K, Urquia K, Valleteau A, Valletta C, van Erp R, Vanhoy C, Varad V, Varma R, Varughese A, Vasquez P, Vasseur A, Veelken R, Velagapudi C, Verdel K, Vettoretti S, Vezzoli G, Vielhauer V, Viera R, Vilar E, Villaruel S, 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Yamada N, Yamagata K, Yamaguchi M, Yamaji Y, Yamamoto A, Yamamoto S, Yamamoto S, Yamamoto T, Yamanaka A, Yamano T, Yamanouchi Y, Yamasaki N, Yamasaki Y, Yamasaki Y, Yamashita C, Yamauchi T, Yan Q, Yanagisawa E, Yang F, Yang L, Yano S, Yao S, Yao Y, Yarlagadda S, Yasuda Y, Yiu V, Yokoyama T, Yoshida S, Yoshidome E, Yoshikawa H, Young A, Young T, Yousif V, Yu H, Yu Y, Yuasa K, Yusof N, Zalunardo N, Zander B, Zani R, Zappulo F, Zayed M, Zemann B, Zettergren P, Zhang H, Zhang L, Zhang L, Zhang N, Zhang X, Zhao J, Zhao L, Zhao S, Zhao Z, Zhong H, Zhou N, Zhou S, Zhu D, Zhu L, Zhu S, Zietz M, Zippo M, Zirino F, Zulkipli FH. Impact of primary kidney disease on the effects of empagliflozin in patients with chronic kidney disease: secondary analyses of the EMPA-KIDNEY trial. Lancet Diabetes Endocrinol 2024; 12:51-60. [PMID: 38061372 DOI: 10.1016/s2213-8587(23)00322-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND The EMPA-KIDNEY trial showed that empagliflozin reduced the risk of the primary composite outcome of kidney disease progression or cardiovascular death in patients with chronic kidney disease mainly through slowing progression. We aimed to assess how effects of empagliflozin might differ by primary kidney disease across its broad population. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA). Patients were eligible if their estimated glomerular filtration rate (eGFR) was 20 to less than 45 mL/min per 1·73 m2, or 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher at screening. They were randomly assigned (1:1) to 10 mg oral empagliflozin once daily or matching placebo. Effects on kidney disease progression (defined as a sustained ≥40% eGFR decline from randomisation, end-stage kidney disease, a sustained eGFR below 10 mL/min per 1·73 m2, or death from kidney failure) were assessed using prespecified Cox models, and eGFR slope analyses used shared parameter models. Subgroup comparisons were performed by including relevant interaction terms in models. EMPA-KIDNEY is registered with ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroupings by primary kidney disease included 2057 (31·1%) participants with diabetic kidney disease, 1669 (25·3%) with glomerular disease, 1445 (21·9%) with hypertensive or renovascular disease, and 1438 (21·8%) with other or unknown causes. Kidney disease progression occurred in 384 (11·6%) of 3304 patients in the empagliflozin group and 504 (15·2%) of 3305 patients in the placebo group (hazard ratio 0·71 [95% CI 0·62-0·81]), with no evidence that the relative effect size varied significantly by primary kidney disease (pheterogeneity=0·62). The between-group difference in chronic eGFR slopes (ie, from 2 months to final follow-up) was 1·37 mL/min per 1·73 m2 per year (95% CI 1·16-1·59), representing a 50% (42-58) reduction in the rate of chronic eGFR decline. This relative effect of empagliflozin on chronic eGFR slope was similar in analyses by different primary kidney diseases, including in explorations by type of glomerular disease and diabetes (p values for heterogeneity all >0·1). INTERPRETATION In a broad range of patients with chronic kidney disease at risk of progression, including a wide range of non-diabetic causes of chronic kidney disease, empagliflozin reduced risk of kidney disease progression. Relative effect sizes were broadly similar irrespective of the cause of primary kidney disease, suggesting that SGLT2 inhibitors should be part of a standard of care to minimise risk of kidney failure in chronic kidney disease. FUNDING Boehringer Ingelheim, Eli Lilly, and UK Medical Research Council.
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Yan Y, Guo T, Zhang M, Cui G. Vaginal metastasis from breast cancer: A case report. Open Life Sci 2023; 18:20220623. [PMID: 37360785 PMCID: PMC10290277 DOI: 10.1515/biol-2022-0623] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 05/02/2023] [Accepted: 05/02/2023] [Indexed: 06/28/2023] Open
Abstract
Breast cancer is one of the most common malignancies in women. However, cases of vaginal metastases of breast cancer are rarely reported in China and abroad. The main clinical symptom of vaginal metastases of breast cancer is vaginal bleeding. This article aims to provide a reference for the diagnosis and clinical management of vaginal metastases from breast cancer. This article describes in detail the management of a 50-year-old woman with vaginal metastases from breast cancer, who was admitted to the hospital with persistent vaginal bleeding without apparent causes. Persistent vaginal bleeding was found after two and a half years when her breast cancer surgery was performed. After comprehensive evaluation, vaginal mass resection was performed. Postoperative histopathology confirmed that the vaginal mass was breast cancer metastasis. The patient was treated with local radiotherapy and three cycles of eribulin and bevacizumab after the vaginal mass was removed. A reexamination of computed tomography showed that the chest wall metastases were less extensive than before. Orbital metastases were also reduced in size, which was revealed by the physical examination. The patient had since failed to return to hospital on time for a regular treatment due to personal reasons. After 9 months of follow-up, the patient died of multiple metastases. The diagnosis of vaginal masses is based on pathological examination, and systemic treatment should be the mainstay when extensive metastases are presented.
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Affiliation(s)
- Yunbo Yan
- Hebei Medical University, Shijiazhuang, China
- Second Department of Thyroid and Breast Surgery, Cangzhou Central Hospital, No. 16 of Xinhua West Road, Yunhe District, Cangzhou, Hebei Province, 061000, China
| | - Tianjiao Guo
- Hebei Medical University, Shijiazhuang, China
- Department of Diagnostic Computed Tomography, Cangzhou Central Hospital, Cangzhou, China
| | - Minmei Zhang
- Vascular Surgery Department, TCM Hospital of Shijiazhuang City, Shijiiazhuang, China
| | - Guozhong Cui
- Second Department of Thyroid and Breast Surgery, Cangzhou Central Hospital, No. 16 of Xinhua West Road, Yunhe District, Cangzhou, Hebei Province, 061000, China
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Ding M, Dai D, Yang W, Geng C, Cui G. Has_circ_0048764 promotes breast cancer progression by sponging miR-578 and regulating HMGA2 expression. Nucleosides Nucleotides Nucleic Acids 2023; 42:448-463. [PMID: 36617513 DOI: 10.1080/15257770.2022.2155300] [Citation(s) in RCA: 1] [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] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
BACKGROUND Circular RNAs (circRNAs) function as important regulators in the progression of cancers. The role of circRNA_0048764 (circ_0048764) in the development of breast cancer (BC) remains inconclusive. This work investigates the biological function and molecular mechanism of circ_0048764 in BC. METHODS Quantitative real-time PCR (qRT-PCR) was conducted to measure the expression levels of circ_0048764, microRNA-578 (miR-578) and high mobility group AT-hook 2 (HMGA2) mRNA. The viability of BC cells was examined by cell counting kit 8 (CCK-8) assay. Besides, cyclin D1, proliferating cell nuclear antigen (PCNA) and HMGA2 expression levels were detected by western blot. The migrative and invasive capability of BC cells were probed by transwell assay. The relationships between miR-578 and circ_0048764 or HMGA2 3'-UTR were validated by dual-luciferase reporter gene assay. RESULTS Circ_0048764 was highly expressed in BC tissues and cells, which was significantly associated with tumor size (≥2 cm), lymph node status (positive), and higher TNM stage of BC patients. Circ_0048764 depletion suppressed the proliferative, migrative, and invasive abilities of BC cells, which was rescued by transfection of miR-578 inhibitors. The binding sites were verified between circ_0048764 and miR-578. HMGA2 was identified to be a target of miR-578 in BC cells, and circ_0048764 positively regulated HMGA2 expression in BC cells via repressing miR-578. CONCLUSION Circ_0048764 promotes BC cell growth, migration and invasion via absorbing miR-578 and up-regulating HMGA2.
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Affiliation(s)
- Mingjian Ding
- Breast Center, The Fourth Hospital of Hebei Medical University, Shijiangzhuang, Hebei, P.R. China.,Department of Thyroid Mammary Gland, Cangzhou Central Hospital, Cangzhou, Hebei, P.R. China
| | - Dianlu Dai
- Department of Thyroid Mammary Gland, Cangzhou Central Hospital, Cangzhou, Hebei, P.R. China
| | - Wenhua Yang
- Department of Thyroid Mammary Gland, Cangzhou Central Hospital, Cangzhou, Hebei, P.R. China
| | - Cuizhi Geng
- Breast Center, The Fourth Hospital of Hebei Medical University, Shijiangzhuang, Hebei, P.R. China
| | - Guozhong Cui
- Department of Thyroid Mammary Gland, Cangzhou Central Hospital, Cangzhou, Hebei, P.R. China
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Liu J, Li Y, Zhang W, Yang C, Yang C, Chen L, Ding M, Zhang L, Liu X, Cui G, Liu Y. The prognostic role of lymph node ratio in breast cancer patients received neoadjuvant chemotherapy: A dose-response meta-analysis. Front Surg 2022; 9:971030. [PMID: 36386510 PMCID: PMC9644128 DOI: 10.3389/fsurg.2022.971030] [Citation(s) in RCA: 2] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 09/26/2022] [Indexed: 12/03/2022] Open
Abstract
BACKGROUND As neoadjuvant chemotherapy is widely used in breast cancer patients, the lymph node ratio has not been fully validated as a prognostic indicator of breast cancer received neoadjuvant chemotherapy. This study was conducted to investigate the prognostic value of lymph node ratio in breast cancer patients received neoadjuvant chemotherapy. METHODS Systematic searches were performed in the PubMed, Embase, and Cochrane Library databases until 15 December 2021 for studies on the association between lymph node ratio and the prognosis of breast cancer after neoadjuvant chemotherapy. Overall survival and disease-free survival were used as outcome events, and hazard ratio was chosen as the parameter to evaluate the correlation. The dose-response relationship was assessed by restricted cubic splines. In the subgroup analyses, which were used to explore potential heterogeneity among the included studies according to study region and sample size. Sensitivity analysis was performed to assess the stability of individual studies, and publication bias was determined with funnel plots, Begg's test, and Egger's test. All statistical analyses were performed using Stata 15.1. RESULTS A total of 12 studies with 4,864 patients were included in this meta-analysis. In this study, high lymph node ratio was significantly associated with decreased overall survival (HR: 4.74; 95%CI: 3.36-6.67; P < 0.001) and disease-free survival (HR: 4.77; 95%CI: 3.69-6.17; P < 0.001). Moreover, the dose-response meta-analysis showed a linear association between higher lymph node ratio and shorter overall survival and disease-free survival in breast cancer patients after neoadjuvant chemotherapy. CONCLUSIONS The meta-analysis suggested that high lymph node ratio was significantly associated with short overall survival and disease-free survival in breast cancer patients after neoadjuvant chemotherapy. Therefore, lymph node ratio is an independent predictive factor for the prognosis of breast cancer patients after neoadjuvant chemotherapy, which may better refine the cancer staging system.
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Affiliation(s)
- Jinzhao Liu
- The Second Department of Thyroid and Breast Surgery, Cangzhou Central Hospital, Cangzhou, China
| | - Yifei Li
- Department of Pathology, Fourth Hospital of Hebei Medical University, Shijiazhuang, China
| | - Weifang Zhang
- Department of Breast Cancer Center, Fourth Hospital of Hebei Medical University, Shijiazhuang, China
| | - Chenhui Yang
- Department of Breast Cancer Center, Fourth Hospital of Hebei Medical University, Shijiazhuang, China
| | - Chao Yang
- Department of Breast Cancer Center, Fourth Hospital of Hebei Medical University, Shijiazhuang, China
| | - Liang Chen
- The Second Department of Thyroid and Breast Surgery, Cangzhou Central Hospital, Cangzhou, China
| | - Mingjian Ding
- The Second Department of Thyroid and Breast Surgery, Cangzhou Central Hospital, Cangzhou, China
| | - Liang Zhang
- The Second Department of Thyroid and Breast Surgery, Cangzhou Central Hospital, Cangzhou, China
| | - Xiaojun Liu
- The Second Department of Thyroid and Breast Surgery, Cangzhou Central Hospital, Cangzhou, China
| | - Guozhong Cui
- The Second Department of Thyroid and Breast Surgery, Cangzhou Central Hospital, Cangzhou, China,Correspondence: Guozhong Cui Yunjiang Liu
| | - Yunjiang Liu
- Department of Breast Cancer Center, Fourth Hospital of Hebei Medical University, Shijiazhuang, China,Hebei Provincial Key Laboratory of Tumor Microenvironment and Drug Resistance, Hebei Medical University, Shijiazhuang, China,Correspondence: Guozhong Cui Yunjiang Liu
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Cui G, Moustafa D, Vazquez Cegla A, Goldberg J, McCarty N. 431 Lung infection in a chronic cystic fibrosis–related diabetes murine model. J Cyst Fibros 2022. [DOI: 10.1016/s1569-1993(22)01121-3] [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]
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Vazquez Cegla A, Cui G, McCarty N. 393 Consequences of chronic hyperglycemia in human cystic fibrosis bronchial epithelial barrier function. J Cyst Fibros 2022. [DOI: 10.1016/s1569-1993(22)01083-9] [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: 11/06/2022]
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Yun D, Liu D, Cui G. POS0055 TNF-α REGULATION OF mir-29b EXPRESSION IN CD14+PBMs AND ITS RELEASE OF PROINFLAMMATORY CYTOKINES IN RHEUMATOID ARTHRITIS. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.3705] [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: 11/03/2022]
Abstract
BackgroundIt was found that the expression of mir-29b was significantly up-regulated in PBMs, and we tried to clarify TNF- α The production of proinflammatory cytokines was increased by inducing the overexpression of mir-29b in CD14 +PBMs in patients with rheumatoid arthritis (RA), and by using TNF-α that the expression of mir-29b was significantly urapy to reverse regulate mir-29b, and carry out relevant experiments to verify our scientific research hypothesis.ObjectivesBy observing patients with RA treated with TNF-α significantly urapy to reverse regulate mir-29b, and carry out relevant experimenperipheral blood mononuclear cells (CD14+PBMs) and releases pro-inflammatory cytokines.Methods(1) Cell experiment: PBM cells from RA patients were collected and extracted for CD14+ cell expression labeling. Different doses of TNF-α blood mononuclear c500 ng/ml) were used for intervention. Meanwhile, the expression of mir-29b was analyzed by rt-qpcr at the level of TNF-α100 ng/ml for different periods of time (0,6,12,24h). In addition, the supernatant of cell culture was collected and human cytokines IL-1α, IL-1β, TNFα, IL-6, IFN-α and IL-8 were measured using a V-plex human cytokine 30-plex kit. (2)Grouping experiment of clinical intervention: 21 patients with RA diagnosis and 15 healthy volunteers were divided into three groups. TNF-α inhibitor group: RA patients treated with TNF-α inhibitor were collected (n=15); IL-6 monoclonal antibody group: RA patients treated with tocilizumab (n=6); Control group: healthy volunteers (n=15) were used as normal controls. PBMc was extracted from TNF-α inhibitor group for 6 months, IL-6 monoclonal antibody group for 6 months, and control group, respectively, to observe the difference of Mir-29b expression in CD14+PBMs of the three groups.ResultsThe expression of miR-29b was dose-dependent and time-dependent with the incubation of TNF-α, and there was a significant difference (P < 0.05). Compared with the control group, the overexpression of miR-29b also led to an increase in the expression levels of a wide range of chemokines and proinflammatory cytokines (including IL-1α, IL-1β, TNFα, IL-6, IFN-α and IL-8) (P < 0.05). The expression of miR-29b in RA patients treated with TNF-α inhibitor was significantly reduced compared with that treated with Totuzumab (P<0.05).ConclusionTNF-α inflammatory factors can induce the overexpression of miR-29b in RA patients, and then producing a large number of proinflammatory cytokines, which can aggravate the inflammation mechanism of RA. In RA patients, TNF-α inhibitors may partially reduce the inflammatory response through the TNF-α/CD14+PBMs/ Mir-29b signaling pathway. Therefore, more attention should be paid to the expression of Mir-29b in TNF-α and CD14+PBMs in clinical practice, which may accurately indicate the state of immune disease in patients, and provide a basis for more accurate judgment of prognosis and the course of immunotherapy, as well as optimization of immunotherapy programs.References[1]Long L, Yu P, Liu Y, et al. Upregulated microRNA-155 expression in peripheral blood mononuclear cells and fibroblast-like synoviocytes in rheumatoid arthritis. Clin Dev Immunol. 2013;2013:296139.Disclosure of InterestsNone declared
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Wang H, Liu Y, Yang H, Wang S, Cui G, Ma J, Liu Y, Li X, Luo R, Zhang W, Geng C. Pyrotinib-based therapy for patients with HER2-positive breast cancer: A multicenter, real-world study. J Clin Oncol 2022. [DOI: 10.1200/jco.2022.40.16_suppl.1040] [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: 11/20/2022] Open
Abstract
1040 Background: Pyrotinib, an irreversible pan-ErbB inhibitor, has been approved for the treatment of HER2-positive advanced breast cancer in China. Real-world data is instructive for effect evaluation and application of the drug in clinical practice. Herein, this study was conducted to evaluate the effectiveness and safety of pyrotinib-based therapy in patients with HER2-positive breast cancer in the real-world setting. Methods: In this retrospective, multicenter, real-world study, data of patients with HER2-positive breast cancer who received pyrotinib-based therapy from 19 sites were reviewed. Disease characteristics, prior therapies, and treatment patterns were summarized. Progression-free survival (PFS) and the incidence of diarrhea were analyzed. Results: Between September 2018 and June 2021, a total of 378 patients with HER2-positive advanced breast cancer were included. Of 378 patients, 47.4% had hormone receptor (HR)-positive disease, 41.3% had HR-negative disease, and 11.4% had unknown HR status. Brain, lung, liver, and bone metastases were found in 24.9%, 35.7%, 31.7%, and 33.1% of all cases, respectively. Most of patients (83.1%) were trastuzumab-exposed, 12.7% were pertuzumab-exposed, and 8.2% had been treated with lapatinib or neratinib before receiving pyrotinib. Pyrotinib plus chemotherapy (211 [55.8%]) was the most commonly used regimen, followed by pyrotinib monotherapy (115 [30.4%]), pyrotinib plus trastuzumab and chemotherapy (29 [7.7%]), other regimens (18 [4.8%]), and unknown regimen (5 [1.3%]). Standard dose (400 mg once daily) was used in 256 (67.7%) patients. With a median follow-up duration of 20.5 months, the median PFS was 13.0 months (95%CI, 12.0-14.0). Further analyses showed that the median PFS did not differ in subgroups by age (≥65 or < 65 years), HR status (positive or negative), brain metastasis (yes or no), lung metastasis (yes or no), liver metastasis (yes or no), bone metastasis (yes or no), prior exposure to trastuzumab (yes or no), treatment regimen (pyrotinib monotherapy or combination therapy). Significant variance was discovered between sufficient dosage group and non-sufficient group (13.2 months vs 10.93 months, p= 0.028). The survival advantage of sufficient dosage was also evident in brain metastasis cases (14.4 months vs 8.3 months, p= 0.043).The most common adverse event was diarrhea (85.7%), and grade ≥3 diarrhea occurred in 18.5% of patients. Diarrhea was the leading cause for does reduction of pyrotinib. Conclusions: The PFS data in our study was similar to previous clinical trials referring to HER2-positive advanced breast cancer treated with pyrotinib. Cases with brain metastasis also displayed a satisfactory survival result. Sufficient dosage is of great importance for prolonged survival, prevention of diarrhea may efficiently avoid does reduction and guarantee the drug efficacy.
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Affiliation(s)
- Haoqi Wang
- Fourth Hospital of Hebei Medical University, Shijiazhuang, China
| | - Yueping Liu
- Department of Pathology, Fourth Hospital of Hebei Medical University, Shijiazhuang, China
| | - Hua Yang
- Department of Medical Oncology, Affiliated Hospital of Hebei University, Baoding, China
| | | | - Guozhong Cui
- Department of Breast and Thyroid Surgery, Cangzhou Central Hospital, Cangzhou, China
| | - Jie Ma
- Tangshan People's Hospital, Tangshan, China
| | - Yunjiang Liu
- Fourth Hospital of Hebei Medical University, Shijiazhuang, China
| | - Xianqiao Li
- Affiliated Hospital of Hebei Engineering University, Handan, China
| | - Ruizhen Luo
- Department of Breast Surgery, Cangzhou Hospital of Integrated TCM-WM Hebei, Cangzhou, China
| | - Wei Zhang
- Department of Breast and Thyroid Surgery, Cangzhou Central Hospital, Cangzhou, China
| | - Cuizhi Geng
- Breast Center, Fourth Hospital of Hebei Medical University, Shijiazhuang, China
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Liu H, Cui G, Luo Y, Guo Y, Zhao L, Wang Y, Subasi A, Dogan S, Tuncer T. Artificial Intelligence-Based Breast Cancer Diagnosis Using Ultrasound Images and Grid-Based Deep Feature Generator. Int J Gen Med 2022; 15:2271-2282. [PMID: 35256855 PMCID: PMC8898057 DOI: 10.2147/ijgm.s347491] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [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] [Received: 12/01/2021] [Accepted: 01/11/2022] [Indexed: 01/30/2023] Open
Abstract
Purpose Breast cancer is a prominent cancer type with high mortality. Early detection of breast cancer could serve to improve clinical outcomes. Ultrasonography is a digital imaging technique used to differentiate benign and malignant tumors. Several artificial intelligence techniques have been suggested in the literature for breast cancer detection using breast ultrasonography (BUS). Nowadays, particularly deep learning methods have been applied to biomedical images to achieve high classification performances. Patients and Methods This work presents a new deep feature generation technique for breast cancer detection using BUS images. The widely known 16 pre-trained CNN models have been used in this framework as feature generators. In the feature generation phase, the used input image is divided into rows and columns, and these deep feature generators (pre-trained models) have applied to each row and column. Therefore, this method is called a grid-based deep feature generator. The proposed grid-based deep feature generator can calculate the error value of each deep feature generator, and then it selects the best three feature vectors as a final feature vector. In the feature selection phase, iterative neighborhood component analysis (INCA) chooses 980 features as an optimal number of features. Finally, these features are classified by using a deep neural network (DNN). Results The developed grid-based deep feature generation-based image classification model reached 97.18% classification accuracy on the ultrasonic images for three classes, namely malignant, benign, and normal. Conclusion The findings obviously denoted that the proposed grid deep feature generator and INCA-based feature selection model successfully classified breast ultrasonic images.
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Affiliation(s)
- Haixia Liu
- Department of Ultrasound, Cangzhou Central Hospital, Cangzhou, Hebei Province, 061000, People's Republic of China
| | - Guozhong Cui
- Department of Surgical Oncology, Cangzhou Central Hospital, Cangzhou, Hebei Province, 061000, People's Republic of China
| | - Yi Luo
- Medical Statistics Room, Cangzhou Central Hospital, Cangzhou, Hebei Province, 061000, People's Republic of China
| | - Yajie Guo
- Department of Ultrasound, Cangzhou Central Hospital, Cangzhou, Hebei Province, 061000, People's Republic of China
| | - Lianli Zhao
- Department of Internal Medicine teaching and research group, Cangzhou Central Hospital, Cangzhou, Hebei Province, 061000, China
| | - Yueheng Wang
- Department of Ultrasound, The Second Hospital of Hebei MedicalUniversity, Shijiazhuang, Hebei Province, 050000, People's Republic of China
| | - Abdulhamit Subasi
- Institute of Biomedicine, Faculty of Medicine, University of Turku, Turku, 20520, Finland.,Department of Computer Science, College of Engineering, Effat University, Jeddah, 21478, Saudi Arabia
| | - Sengul Dogan
- Department of Digital Forensics Engineering, College of Technology, Firat University, Elazig, 23119, Turkey
| | - Turker Tuncer
- Department of Digital Forensics Engineering, College of Technology, Firat University, Elazig, 23119, Turkey
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Liu H, Shi W, Luo Y, Cui G, Kong X, Han L, Zhao L. Green supported of Au nanoparticles over reduced graphene oxide: Investigation of its cytotoxicity, antioxidant and anti-human breast cancer properties. INORG CHEM COMMUN 2021. [DOI: 10.1016/j.inoche.2021.108918] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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Cui G, Cottrill K, McCarty N. 386: Distinct lung characteristics in experimental mouse model of chronic cystic fibrosis–related diabetes. J Cyst Fibros 2021. [DOI: 10.1016/s1569-1993(21)01810-5] [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]
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13
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Zhang C, Yu X, Xu H, Cui G, Chen L. Action of Bacillus natto 16 on deoxynivalenol (DON) from wheat flour. J Appl Microbiol 2021; 131:2317-2324. [PMID: 33788381 DOI: 10.1111/jam.15094] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 02/09/2021] [Accepted: 03/21/2021] [Indexed: 11/27/2022]
Abstract
AIMS The aim of this research is to study the removal characteristics and evaluate the detoxify action of deoxynivalenol by Bacillus natto 16 in wheat flour as food or feed. METHODS AND RESULTS The content of deoxynivalenol was determined using ELISA by testing the deoxynivalenol removal rate, and the influence of culture supernatant, intracellular substances, crude enzyme and cell wall on the deoxynivalenol in wheat flour was studied. The effect of bacterial components on the removal of deoxynivalenol was studied in the artificial gastrointestinal environment to simulate the digestion of food. Secondary metabolites were analysed by high-performance liquid chromatography in tandem with mass spectrometry (HPLC-MS). The cell wall can reduce the content of deoxynivalenol in the sample by adsorption, the influence of culture supernatant, intracellular substances and crude enzyme can convert deoxynivalenol into substances with a lower molecular weight. Bacterial components have no effect on deoxynivalenol in wheat flour in simulated gastric fluid (SGF) and have a certain removal effect on deoxynivalenol, which is closely related to intestinal digestion time and pH, in simulated intestinal fluid. CONCLUSIONS Experimental results indicate that the removal of deoxynivalenol by B. natto 16 includes adsorption and biodegradation, SGF would invalidate the deoxynivalenol removal activity of B. natto 16's components. SIGNIFICANCE AND IMPACT OF THE STUDY Our study showed that as an edible probiotic bacterium, B. natto 16 can effectively remove deoxynivalenol from wheat flour as food or feed, and can be used as a new deoxynivalenol -detoxifying microbe. The results of this research could provide the theory foundation for further development and application of B. natto 16.
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Affiliation(s)
- C Zhang
- The Biological Feedstuff Lab, College of Animal Science and Technology, Anhui Agricultural University, Hefei, Anhui, P.R. China.,Food Composition and Human Health Lab, College of Food Science and Engineering, Yangzhou University, Yangzhou, Jiangsu, P.R. China
| | - X Yu
- Food Composition and Human Health Lab, College of Food Science and Engineering, Yangzhou University, Yangzhou, Jiangsu, P.R. China
| | - H Xu
- Food Composition and Human Health Lab, College of Food Science and Engineering, Yangzhou University, Yangzhou, Jiangsu, P.R. China
| | - G Cui
- Food Composition and Human Health Lab, College of Food Science and Engineering, Yangzhou University, Yangzhou, Jiangsu, P.R. China
| | - L Chen
- The Biological Feedstuff Lab, College of Animal Science and Technology, Anhui Agricultural University, Hefei, Anhui, P.R. China
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Raza HK, Chansysouphanthong T, Singh S, Amir A, Raza MW, Zhang Z, Cui G, Chen H. Polycythemia vera complicated by chorea: A case report and the review of Chinese and international literature. Rev Neurol (Paris) 2021; 177:1025-1030. [PMID: 33781561 DOI: 10.1016/j.neurol.2020.11.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2020] [Revised: 11/21/2020] [Accepted: 11/23/2020] [Indexed: 11/19/2022]
Affiliation(s)
- H K Raza
- Department of Neurology, the Affiliated Hospital of Xuzhou Medical University, 221002 Xuzhou, China; School of International Education, Xuzhou Medical University, 221002 Xuzhou, China
| | - T Chansysouphanthong
- School of International Education, Xuzhou Medical University, 221002 Xuzhou, China
| | - S Singh
- School of International Education, Xuzhou Medical University, 221002 Xuzhou, China
| | - A Amir
- Central Park Medical College, Lahore, Pakistan
| | - M W Raza
- Hainan University, Haikou, Hainan, China
| | - Z Zhang
- Department of Neurology, the Affiliated Hospital of Xuzhou Medical University, 221002 Xuzhou, China
| | - G Cui
- Department of Neurology, the Affiliated Hospital of Xuzhou Medical University, 221002 Xuzhou, China.
| | - H Chen
- Department of Neurology, the Affiliated Hospital of Xuzhou Medical University, 221002 Xuzhou, China.
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Zu J, Raza HK, Chansysouphanthong T, Xu C, Zhang W, Cui G. Dyskinesia and hyperpyrexia syndrome: A case report and review of the literature. Rev Neurol (Paris) 2021; 177:710-713. [PMID: 33478739 DOI: 10.1016/j.neurol.2020.10.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2020] [Revised: 10/14/2020] [Accepted: 10/16/2020] [Indexed: 11/26/2022]
Affiliation(s)
- J Zu
- Department of Neurology, the Affiliated Hospital of Xuzhou Medical University, 221002 Xuzhou, China
| | - H K Raza
- Department of Neurology, the Affiliated Hospital of Xuzhou Medical University, 221002 Xuzhou, China; School of International Education, Xuzhou Medical University, 221002 Xuzhou, China
| | - T Chansysouphanthong
- School of International Education, Xuzhou Medical University, 221002 Xuzhou, China
| | - C Xu
- Department of Neurology, the Affiliated Hospital of Xuzhou Medical University, 221002 Xuzhou, China
| | - W Zhang
- Department of Neurology, the Affiliated Hospital of Xuzhou Medical University, 221002 Xuzhou, China
| | - G Cui
- Department of Neurology, the Affiliated Hospital of Xuzhou Medical University, 221002 Xuzhou, China.
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Cui G, Yang Y, Yin F, Yoo D, Kim G, Duan J. Evaluation of Two Automated Treatment Planning Techniques for Multiple Brain Metastases Using A Single Isocenter. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.682] [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: 10/23/2022]
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17
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Yang W, Cui G, Ding M, Yang M, Dai D. MicroRNA-124-3p.1 promotes cell proliferation through Axin1-dependent Wnt signaling pathway and predicts a poor prognosis of triple-negative breast cancer. J Clin Lab Anal 2020; 34:e23266. [PMID: 32125723 PMCID: PMC7370722 DOI: 10.1002/jcla.23266] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [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] [Received: 11/23/2019] [Revised: 01/13/2020] [Accepted: 01/19/2020] [Indexed: 12/25/2022] Open
Abstract
Background Triple‐negative breast cancer (TNBC) is one subtype of breast cancer, which is characterized by an aggressive disease. It is commonly accompanied with extremely poor prognosis because of no available molecularly targeted therapy. Thus, understanding the detailed molecular mechanisms of TNBC is urgently needed. Methods The levels of Axis inhibition protein 1 (Axin1), Cyclin D1, c‐Myc, and miR‐124‐3p.1 were measured by quantitative real‐time PCR (qRT‐PCR). Furthermore, the breast cancer cell proliferation was measured by CCK‐8 assay, colony formation assays, and EdU staining. Xenograft model was used to show the tumor genesis of breast cancer cells. The regulatory function of miR‐124‐3p.1 on Wnt/β‐catenin signaling activation through directly targeting Axin1 was proven using qRT‐PCR, Western blot analysis, and dual‐luciferase reporter assay. To further assess the clinical significance of miR‐124‐3p.1 in the prognosis of breast cancer patients, we performed Kaplan‐Meier survival analysis and log‐rank tests. Results miR‐124‐3p.1 expression was elevated in advanced TNBC patients, and high miR‐124‐3p.1 predicts poor overall survival in TNBC patients. Further data showed that miR‐124‐3p.1 downregulation diminished, while miR‐124‐3p.1 upregulation increased the growth of TNBC cells in vitro and in vivo. Finally, we proved that miR‐124‐3p.1 exerted its function via targeting tumor suppressor gene Axin1 and activating the Wnt signaling pathway. Conclusion In summary, all the results demonstrate that miR‐124‐3p.1 promotes TNBC cell growth by controlling Axin1, suggesting that targeting miR‐124‐3p.1 might offer an effective therapeutic strategy for TNBC in the future.
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Affiliation(s)
- Wenhua Yang
- The Second Department of Thyroid Breast Surgery, Cangzhou Central Hospital, Cangzhou, China
| | - Guozhong Cui
- The Second Department of Thyroid Breast Surgery, Cangzhou Central Hospital, Cangzhou, China
| | - Mingjian Ding
- The Second Department of Thyroid Breast Surgery, Cangzhou Central Hospital, Cangzhou, China
| | - Meng Yang
- The Second Department of Thyroid Breast Surgery, Cangzhou Central Hospital, Cangzhou, China
| | - Dianlu Dai
- The Second Department of Thyroid Breast Surgery, Cangzhou Central Hospital, Cangzhou, China
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Shi D, Li Y, Fan L, Zhao Q, Tan B, Cui G. Upregulation Of miR-153 Inhibits Triple-Negative Breast Cancer Progression By Targeting ZEB2-Mediated EMT And Contributes To Better Prognosis. Onco Targets Ther 2019; 12:9611-9625. [PMID: 32009797 PMCID: PMC6859470 DOI: 10.2147/ott.s223598] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [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] [Received: 07/17/2019] [Accepted: 10/30/2019] [Indexed: 12/24/2022] Open
Abstract
Background Triple-negative breast cancer (TNBC) is the most malignant type of breast cancer. MicroRNAs (miRs) and their corresponding molecular targets are associated with the occurrence and development of various human malignancies. However, the roles of the microRNA-153 (miR-153) and zinc finger E-box-binding homeobox 2 (ZEB2)-induced epithelial–mesenchymal transition (EMT) in TNBC and predictive effect of miR-153 on the prognosis of TNBC have not been fully elucidated. Materials and methods Relative miR-153 expression level was examined by RT-qPCR assay in TNBC tissues of 60 patients and TNBC cell lines (SKBR3, BT-549 and MDA-MB-231). Cell proliferation ability, invasion ability and migration ability were measured by CCK8 assay, Transwell invasion assay and wound healing assay, respectively. Luciferase reporting experiment was used to confirm that there was a miR-153-binding site in ZEB2 3ʹ-UTR. The expression of ZEB2 in tissues and its relationship with miR-153 were analyzed with immunohistochemistry method. Relative ZEB2, E-cadherin, N-cadherin and Vimentin mRNA and protein expression levels were observed with RT-qPCR and Western blot, respectively. Based on risk factors, a prognostic model was established according to the Cox proportional risk model, and the prognostic risk factors of TNBC patients were predicted and analyzed. Results The expression of miR-153 in TNBC tissues and cells was declined (all P<0.01), and upregulation of miR-153 inhibited proliferation, invasion and migration of TNBC cells (all P<0.01). In addition, miR-153 regulated ZEB2/EMT link in TNBC, and ZEB2 overexpression reversed the tumor-suppressive effect of miR-153 in TNBC. Moreover, miR-153 was an independent predictive factor that was associated with excellent prognosis in TNBC patients. Conclusion miR-153 may inhibit TNBC proliferation, invasion and migration by regulating ZEB2/EMT link. Therefore, miR-153 is expected to be a molecular target and prognostic marker for TNBC.
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Affiliation(s)
- Dongliang Shi
- The Third Department of General Surgery, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, People's Republic of China.,The Second Department of Thyroid and Breast Surgery, Cangzhou Central Hospital, Cangzhou, Hebei, People's Republic of China
| | - Yong Li
- The Third Department of General Surgery, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, People's Republic of China
| | - Liqiao Fan
- The Third Department of General Surgery, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, People's Republic of China
| | - Qun Zhao
- The Third Department of General Surgery, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, People's Republic of China
| | - Bibo Tan
- The Third Department of General Surgery, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, People's Republic of China
| | - Guozhong Cui
- The Second Department of Thyroid and Breast Surgery, Cangzhou Central Hospital, Cangzhou, Hebei, People's Republic of China
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Wang RJ, Wang N, Cui G, Chen Y, Zhong H, Tang J. The impact of NudCD1 on renal carcinoma cell proliferation, migration, and invasion. Eur Rev Med Pharmacol Sci 2019; 22:671-677. [PMID: 29461594 DOI: 10.26355/eurrev_201802_14292] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE Renal cell carcinoma (RCC) is the most common malignant tumor in the urogenital system. Its easily metastatic characteristics greatly reduce the postoperative survival rate. NudCD1, as a proto-oncogene, may be involved in the proliferation, migration, and invasion of renal cell carcinoma cell. This study intends to explore the expression of NudCD1 in renal cancer tissue and its effect on renal cell behavior. PATIENTS AND METHODS NudCD1 expression in RCC tissue was tested Western blot. The cellular localization of NudCD1 was detected by immunohistochemistry (IHC). NudCD1 highly expressed RCC cell line was selected. NudCD1 knockdown or overexpression was performed through cell transfection. Cell proliferation, migration, and invasion were assessed by MTT assay, wound scratch assay, and transwell assay, respectively. RESULTS NudCD1 mainly located in the cytoplasm and significantly upregulated in RCC tissue compared with adjacent normal control (p < 0.05). NudCD1 expressed highest in A498 cell line among several RCC cell lines. NudCD1 expression was positively correlated with cell proliferation, migration, and invasion in A498. NudCD1 may be treated as a key factor in regulating cell behavior. CONCLUSIONS NudCD1 significantly increased in RCC and was positively correlated with cell proliferation, migration, and invasion. It could be used as an indicator for the early screening and potential treatment target for RCC.
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Affiliation(s)
- R-J Wang
- Department of Urology, the First Affiliated Hospital of Huzhou University, Huzhou, Zhejiang, China.
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Fu J, Yao ZM, Wang Z, Cui G, Ni M, Li X, Chen JY. Surgical treatment of osteoporotic degenerative spinal deformity with expandable pedicle screw fixation: 2-year follow-up clinical study. Orthop Traumatol Surg Res 2018; 104:411-415. [PMID: 29248763 DOI: 10.1016/j.otsr.2017.11.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2017] [Revised: 08/20/2017] [Accepted: 11/08/2017] [Indexed: 02/02/2023]
Abstract
BACKGROUND Osteoporotic bone offers poor purchase for the instrumentation in patients with degenerative spinal deformity (DSD), which could lead to several complications. Recently, augmentation methods to improve pedicle screw fixation have been proposed. This retrospective study was to investigate the clinical and radiographic outcomes of expandable pedicle screws (EPS) in patients with osteoporotic DSD. HYPOTHESIS Expandable pedicle screws (EPS) provide excellent instrument fixation in patients with osteoporotic DSD, improving radiographic and clinical outcomes. MATERIALS AND METHODS A total of 27 (6 males and 21 females) DSD patients who underwent orthopedics operation with EPS were retrospectively studied. Full-length standing spinal radiographs were obtained in all patients pre- and postoperatively and again at the two-year follow-up. The functional evaluations before operation and at two-year follow-up were graded with Scoliosis Research Society outcomes instrument-22 (SRS-22) and Oswestry Disability Index (ODI) scoring system. RESULTS All patients obtained good corrective outcomes on spinal deformity. The preoperative ODI score was 36.7% and reduced to 11.9% at two-year follow-up (p=0.0000). Before operation, the SRS-22 function, pain, appearance and mental scores were 2.7±0.4, 3±0.6, 2.7±0.5 and 2.9±0.6, respectively. The scores at two-year follow-up were significantly improved to 3.8±0.7, 4.2±0.6, 4.3±0.6 and 4.4±0.7, respectively (p=0.0000). The SRS-22 satisfaction score was 4.6±0.4 at two-year follow-up. No instances of screw breakage, loosening or pullout in any patient at follow-up. DISCUSSION EPS provides excellent instrument fixation in patients with osteoporotic DSD, improving radiographic and clinical outcomes at two years' follow-up. TYPE OF STUDY Retrospective case series study. LEVEL OF EVIDENCE IV.
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Affiliation(s)
- J Fu
- Department of Orthopaedics, Chinese People's Liberation Army General Hospital (301 Hospital), 28, Fuxing Road, 100853 Beijing, PR China
| | - Z M Yao
- Department of Orthopaedics, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, PR China
| | - Z Wang
- Department of Orthopaedics, Chinese People's Liberation Army General Hospital (301 Hospital), 28, Fuxing Road, 100853 Beijing, PR China
| | - G Cui
- Department of Orthopaedics, Chinese People's Liberation Army General Hospital (301 Hospital), 28, Fuxing Road, 100853 Beijing, PR China
| | - M Ni
- Department of Orthopaedics, Chinese People's Liberation Army General Hospital (301 Hospital), 28, Fuxing Road, 100853 Beijing, PR China
| | - X Li
- Department of Orthopaedics, Chinese People's Liberation Army General Hospital (301 Hospital), 28, Fuxing Road, 100853 Beijing, PR China
| | - J Y Chen
- Department of Orthopaedics, Chinese People's Liberation Army General Hospital (301 Hospital), 28, Fuxing Road, 100853 Beijing, PR China.
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Chen L, Zhao L, Ding M, Yang M, Yang W, Cui G, Shan B. Higher expression level of tyrosine kinase-like orphan receptor 2 and Wnt member 5a in papillary thyroid carcinoma is associated with poor prognosis. Oncol Lett 2017; 14:5966-5972. [PMID: 29113233 PMCID: PMC5661602 DOI: 10.3892/ol.2017.6989] [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] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2016] [Accepted: 06/16/2017] [Indexed: 11/28/2022] Open
Abstract
The tyrosine kinase-like orphan receptor 2 (ROR2) has a wnt-mediated, pro-tumorigenic role in certain types of cancer. The present study was designed to assess the protein expression level of ROR2 and its putative ligand Wnt member 5a (Wnt5a), as well as the association with clinicopathological features in papillary thyroid carcinoma (PTC). A total of 58 patients were recruited, resulting in 58 human PTC tissue samples and their paired adjacent noncancerous tissue samples being obtained. The protein expression levels of ROR2 and Wnt5a were evaluated by immunohistochemistry and western blotting, and messenger RNA expression levels were determined by reverse transcription-quantitative polymerase chain reaction. ROR2 and Wnt5a protein and mRNA expression were significantly overexpressed in PTC tissues (P<0.05). The present study also revealed that ROR2 and Wnt5a were significantly associated with tumor stage and lymph node metastasis (P<0.05). There was a positive association between ROR2 and Wnt5a expression levels (r=0.857; P=0.007). In conclusion, ROR2 and Wnt5a may act as tumor suppressor genes in the development of PTC; overexpression of ROR2 and Wnt5a in PTC may be important for tumorigenesis and tumor development.
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Affiliation(s)
- Liang Chen
- Research Center, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, P.R. China.,Department of Oncology, Cangzhou Central Hospital, Cangzhou, Hebei 061001, P.R. China
| | - Lianmei Zhao
- Research Center, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, P.R. China
| | - Mingjian Ding
- Department of Oncology, Cangzhou Central Hospital, Cangzhou, Hebei 061001, P.R. China
| | - Meng Yang
- Department of Oncology, Cangzhou Central Hospital, Cangzhou, Hebei 061001, P.R. China
| | - Wenhua Yang
- Department of Oncology, Cangzhou Central Hospital, Cangzhou, Hebei 061001, P.R. China
| | - Guozhong Cui
- Department of Oncology, Cangzhou Central Hospital, Cangzhou, Hebei 061001, P.R. China
| | - Baoen Shan
- Research Center, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, P.R. China
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Stauffer BB, Cui G, Cottrill KA, Infield DT, McCarty NA. Bacterial Sphingomyelinase is a State-Dependent Inhibitor of the Cystic Fibrosis Transmembrane conductance Regulator (CFTR). Sci Rep 2017; 7:2931. [PMID: 28592822 PMCID: PMC5462758 DOI: 10.1038/s41598-017-03103-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2016] [Accepted: 04/24/2017] [Indexed: 02/07/2023] Open
Abstract
Sphingomyelinase C (SMase) inhibits CFTR chloride channel activity in multiple cell systems, an effect that could exacerbate disease in CF and COPD patients. The mechanism by which sphingomyelin catalysis inhibits CFTR is not known but evidence suggests that it occurs independently of CFTR's regulatory "R" domain. In this study we utilized the Xenopus oocyte expression system to shed light on how CFTR channel activity is reduced by SMase. We found that the pathway leading to inhibition is not membrane delimited and that inhibited CFTR channels remain at the cell membrane, indicative of a novel silencing mechanism. Consistent with an effect on CFTR gating behavior, we found that altering gating kinetics influenced the sensitivity to inhibition by SMase. Specifically, increasing channel activity by introducing the mutation K1250A or pretreating with the CFTR potentiator VX-770 (Ivacaftor) imparted resistance to inhibition. In primary bronchial epithelial cells, we found that basolateral, but not apical, application of SMase leads to a redistribution of sphingomyelin and a reduction in forskolin- and VX-770-stimulated currents. Taken together, these data suggest that SMase inhibits CFTR channel function by locking channels into a closed state and that endogenous CFTR in HBEs is affected by SMase activity.
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Affiliation(s)
- B B Stauffer
- Division of Pulmonology, Allergy/Immunology, Cystic Fibrosis, and Sleep, Department of Pediatrics, Emory + Children's Center for Cystic Fibrosis and Airways Disease Research, Emory University School of Medicine and Children's Healthcare of Atlanta, 2015 Uppergate Drive, Atlanta, GA, 30322, USA
- Molecular and Systems Pharmacology program, Emory University, 201 Dowman Drive, Atlanta, GA, 20322, USA
| | - G Cui
- Division of Pulmonology, Allergy/Immunology, Cystic Fibrosis, and Sleep, Department of Pediatrics, Emory + Children's Center for Cystic Fibrosis and Airways Disease Research, Emory University School of Medicine and Children's Healthcare of Atlanta, 2015 Uppergate Drive, Atlanta, GA, 30322, USA
| | - K A Cottrill
- Molecular and Systems Pharmacology program, Emory University, 201 Dowman Drive, Atlanta, GA, 20322, USA
| | - D T Infield
- Division of Pulmonology, Allergy/Immunology, Cystic Fibrosis, and Sleep, Department of Pediatrics, Emory + Children's Center for Cystic Fibrosis and Airways Disease Research, Emory University School of Medicine and Children's Healthcare of Atlanta, 2015 Uppergate Drive, Atlanta, GA, 30322, USA
| | - N A McCarty
- Division of Pulmonology, Allergy/Immunology, Cystic Fibrosis, and Sleep, Department of Pediatrics, Emory + Children's Center for Cystic Fibrosis and Airways Disease Research, Emory University School of Medicine and Children's Healthcare of Atlanta, 2015 Uppergate Drive, Atlanta, GA, 30322, USA.
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Ng L, Cui G, Chiu R, Shapiro M, Chang E, Shiu A. Feasibility of Volumetric Modulated Arc Therapy Craniospinal Irradiation Using Limited Angle Posterior Arcs With Junction Dose Verification in an Anthropomorphic Phantom. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.2298] [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]
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Zhang T, Cui G, Feng WM, Shi QL, Cui J, Li XN, Wang QC, Shen H. [Correlation analysis between glycolipids metabolism and clinicopathologic features in patients with gastric cancer]. Zhonghua Yi Xue Za Zhi 2016; 96:2545-7. [PMID: 27596548 DOI: 10.3760/cma.j.issn.0376-2491.2016.32.006] [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] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVE To analyze the correlation between glycolipids metabolism and clinicopathologic features in patients with gastric cancer. METHODS Glycolipids metabolism and clinicopathologic features of 443 gastric cancer patients were collected, and their correlation was analyzed. RESULTS Compared to gastric cancer patients with normal levels of glycolipids metabolism, there were less male patients who were with low level of total cholesterol (TCH)(χ(2)=7.676, P<0.05), and the number of male patients with low level of high-density lipoprotein (HDL) (χ(2)=7.520) and apoA1 (χ(2)=6.253) was higher (both P<0.05). Serum TCH level showed a negative correlation with age of patients (r=-0.116), tumor size (r=-0.117) and TNM stage (r=-0.111) (P<0.05); serum HDL level was negatively correlated with tumor diameter (r=-0.094), the number of metastatic lymph nodes (r=-0.106), primary tumor invasion depth (r=-0.112), metastatic lymph nodes stage (r=-0.102) and TNM stage (r=-0.107) (P<0.05); serum LDL was negatively correlated with age of patients (r=-0.116) (P<0.05); serum LPa was positively correlated with tumor size (r=0.170), the number of metastatic lymph nodes (r=0.151), primary tumor invasion depth (r=0.160), metastatic lymph nodes stage (r=0.153) and TNM stage (r=0.115) (P<0.05); apoA1 was negatively correlated with distant metastasis (r=-0.168) and TNM stage (r=-0.120) (P<0.05); and apoB was negatively correlated with distant metastases (r=-0.132, P<0.05). Levels of blood glucose and TG had no significant association with clinicopathological features of gastric cancer patients (P>0.05). CONCLUSIONS Low lipid metabolism but high level of LPa may be the metabolic characteristics of gastric cancer progression. Monitoring the changes of serum lipids levels could be valuable for the prognosis of patients with gastric cancer.
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Affiliation(s)
- T Zhang
- Department of Pathology, School of Medicine, Huzhou University, Huzhou 313000, China
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25
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Cui G, Trakul N, Chang E, Shiu A. SU-F-T-644: Reproducibility of Target Position Using Moderate Voluntary Breath- Hold During Liver Stereotactic Ablative Radiotherapy. Med Phys 2016. [DOI: 10.1118/1.4956829] [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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Cui G, Ha J, Zhou S, Cui J, Shiu A. SU-F-T-76: Total Skin Electron Therapy: An-End-To-End Examination of the Absolute Dosimetry with a Rando Phantom. Med Phys 2016. [DOI: 10.1118/1.4956212] [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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Hu J, Liu B, Zhao Q, Jin P, Hua F, Zhang Z, Liu Y, Zan K, Cui G, Ye X. Bone marrow stromal cells inhibits HMGB1-mediated inflammation after stroke in type 2 diabetic rats. Neuroscience 2016; 324:11-9. [PMID: 26946264 DOI: 10.1016/j.neuroscience.2016.02.058] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2015] [Revised: 02/16/2016] [Accepted: 02/24/2016] [Indexed: 10/22/2022]
Abstract
High-mobility group box 1 (HMGB1), a ligand of receptor for advanced glycation endproducts (RAGE), functions as a proinflammatory factor. It is mainly involved in inflammatory activation and contributes to the initiation and progression of stroke. By using a model of transient middle cerebral artery occlusion (MCAo) in type 2 diabetic rats, we investigated the changes of pro-inflammation mediators, blood-brain barrier (BBB) leakage and functional outcome after stroke. Type 2 diabetic rats did not show an increased lesion volume, but exhibited significantly increased expression of HMGB1 and RAGE, BBB leakage, as well as decreased functional outcome after stroke compared with control rats. Injection of bone marrow stromal cells (BMSCs) into type 2 diabetic rats significantly reduced the expression of HMGB1 and RAGE, attenuated BBB leakage, and improved functional outcome after stroke. BMSCs-treated type 2 diabetic rats inhibited inflammation and improved functional outcome after stroke. Furthermore, in vitro data support the hypothesis that BMSCs-induced reduction of HMGB1 and RAGE in T2DM-MCAo rats contributed to attenuated inflammatory response in the ischemic brain, which may lead to the beneficial effects of BMSCs treatment. Further investigation of BMSCs treatment in type 2 diabetic stroke is warranted.
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Affiliation(s)
- J Hu
- Department of Neurology, The Affiliated Hospital of Xuzhou Medical College, Xuzhou, Jiangsu Province, China
| | - B Liu
- Department of Neurology, The Affiliated Hospital of Xuzhou Medical College, Xuzhou, Jiangsu Province, China; Department of Geriatric Neurology, Nanjing Brain Hospital, Affiliated to Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Q Zhao
- Department of Neurology, Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, Jiangsu Province, China
| | - P Jin
- Department of Plastic Surgery, Xuzhou Central Hospital, Xuzhou, Jiangsu Province, China
| | - F Hua
- Department of Neurology, The Affiliated Hospital of Xuzhou Medical College, Xuzhou, Jiangsu Province, China
| | - Z Zhang
- Department of Neurology, The Affiliated Hospital of Xuzhou Medical College, Xuzhou, Jiangsu Province, China
| | - Y Liu
- Department of Neurology, The Affiliated Hospital of Xuzhou Medical College, Xuzhou, Jiangsu Province, China
| | - K Zan
- Department of Neurology, The Affiliated Hospital of Xuzhou Medical College, Xuzhou, Jiangsu Province, China
| | - G Cui
- Department of Neurology, The Affiliated Hospital of Xuzhou Medical College, Xuzhou, Jiangsu Province, China.
| | - X Ye
- Department of Neurology, The Affiliated Hospital of Xuzhou Medical College, Xuzhou, Jiangsu Province, China.
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Yang M, Cui G, Ding M, Yang W, Liu Y, Dai D, Chen L. miR-935 promotes gastric cancer cell proliferation by targeting SOX7. Biomed Pharmacother 2016; 79:153-8. [PMID: 27044823 DOI: 10.1016/j.biopha.2016.01.011] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2015] [Revised: 12/29/2015] [Accepted: 01/13/2016] [Indexed: 01/12/2023] Open
Abstract
Gastric cancer is the most common cancer in the world, miRNAs have been demonstrated to play critical role in the development and progression of gastric cancer, such as miR-7, miR-217 and miR-335. Here, we found miR-935 was upregulated in gastric cancer tissues and cells. Overexpression of miR-935 promoted cell proliferation and tumorigenesis in vitro determined by MTT analysis, colony formation analysis, BrdU cell proliferation analysis and soft agar growth analysis, knockdown of miR-935 reduced these effects. Tumor suppressor sex-determining region Y-box 7 (SOX7) was the direct target of miR-935, overexpression of miR-935 inhibited SOX7 expression, but promoted the levels CCND1 and C-MYC which promotes cell proliferation and tumorigenesis, knockdown of miR-935 increased SOX7 level, and inhibited CCND1 and C-MYC expression. Synchronous knockdown of miR-935 and SOX7 promoted cell proliferation and tumorigenesis in vitro, confirming miR-935 regulated gastric cancer cell proliferation by inhibiting SOX7. In summary, we found miR-935 contributed to cell proliferation of gastric cancer through targeting SOX7.
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Affiliation(s)
- Meng Yang
- The Second Department of Tumor Surgery, Cangzhou Central Hospital, Cangzhou, Hebei, China
| | - Guozhong Cui
- The Second Department of Tumor Surgery, Cangzhou Central Hospital, Cangzhou, Hebei, China
| | - Mingjian Ding
- The Second Department of Tumor Surgery, Cangzhou Central Hospital, Cangzhou, Hebei, China
| | - Wenhua Yang
- The Second Department of Tumor Surgery, Cangzhou Central Hospital, Cangzhou, Hebei, China
| | - Yanqing Liu
- The Second Department of Tumor Surgery, Cangzhou Central Hospital, Cangzhou, Hebei, China
| | - Dianlu Dai
- The Second Department of Tumor Surgery, Cangzhou Central Hospital, Cangzhou, Hebei, China
| | - Liang Chen
- The Second Department of Tumor Surgery, Cangzhou Central Hospital, Cangzhou, Hebei, China.
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Cui G, Shiu A, Zhou S, Cui J, Ballas L. SU-E-T-92: Achieving Desirable Lung Doses in Total Body Irradiation Based On in Vivo Dosimetry and Custom Tissue Compensation. Med Phys 2015. [DOI: 10.1118/1.4924453] [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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30
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Cui G, Diao H, Wei Y, Chen J, Gao H, Zuo J, Yang Y, Tang L, Cao H, Chen Y, Li L. Immune influence of pregnancy on human H7N9 infection: a case report. Rev Port Pneumol (2006) 2015; 21:157-62. [PMID: 25926242 DOI: 10.1016/j.rppnen.2014.11.003] [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: 06/17/2014] [Revised: 11/05/2014] [Accepted: 11/06/2014] [Indexed: 01/31/2023] Open
Abstract
INTRODUCTION H7N9 infection has raised serious concerns worldwide. Pregnant women were considered to be at a high risk of influenza infection. Normal pregnancy was dependent on T helper (Th) 2 deviation. However, whether pregnancy influences the immune status of influenza H7N9 patients has not been reported. CASE REPORT Here, we reported a case of pregnant woman in the first trimester with H7N9 infection compared with the two non-pregnant female H7N9 patients for clinical features and relevant immunological changes. We found that there were no differences in plasma levels of Th1 and Th2 cytokines between the pregnant and non-pregnant patients, and there was no Th2 deviation in the acute phase. However, the Th2 deviation was recurrent along with the clearance of infection in the H7N9 pregnant patient. CONCLUSION These cases highlighted that the pregnant patient infected with H7N9 could induce an effective Th1 immune response equal to that of non-pregnant patients with H7N9 virus infection, although the pregnancy itself could lead to a Th2 deviation. These data suggested that pregnant patients could acquire a similar antiviral response for H7N9 infection versus non-pregnant patients.
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Affiliation(s)
- G Cui
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, China
| | - H Diao
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, China.
| | - Y Wei
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, China
| | - J Chen
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, China
| | - H Gao
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, China
| | - J Zuo
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, China
| | - Y Yang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, China
| | - L Tang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, China
| | - H Cao
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, China
| | - Y Chen
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, China
| | - L Li
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, China.
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Wang L, Zhou H, Wang Y, Cui G, Di LJ. CtBP maintains cancer cell growth and metabolic homeostasis via regulating SIRT4. Cell Death Dis 2015; 6:e1620. [PMID: 25633289 PMCID: PMC4669780 DOI: 10.1038/cddis.2014.587] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2014] [Revised: 12/11/2014] [Accepted: 12/12/2014] [Indexed: 12/18/2022]
Abstract
Cancer cells rely on glycolysis to maintain high levels of anabolism. However, the metabolism of glucose via glycolysis in cancer cells is frequently incomplete and results in the accumulation of acidic metabolites such as pyruvate and lactate. Thus, the cells have to develop strategies to alleviate the intracellular acidification and maintain the pH stability. We report here that glutamine consumption by cancer cells has an important role in releasing the acidification pressure associated with cancer cell growth. We found that the ammonia produced during glutaminolysis, a dominant glutamine metabolism pathway, is critical to resist the cytoplasmic acidification brought by the incomplete glycolysis. In addition, C-terminal-binding protein (CtBP) was found to have an essential role in promoting glutaminolysis by directly repressing the expression of SIRT4, a repressor of glutaminolysis by enzymatically modifying glutamate dehydrogenase in mitochondria, in cancer cells. The loss of CtBP in cancer cells resulted in the increased apoptosis due to intracellular acidification and the ablation of cancer cell metabolic homeostasis represented by decreased glutamine consumption, oxidative phosphorylation and ATP synthesis. Importantly, the immunohistochemistry staining showed that there was excessive expression of CtBP in tumor samples from breast cancer patients compared with surrounding non-tumor tissues, whereas SIRT4 expression in tumor tissues was abolished compared with the non-tumor tissues, suggesting CtBP-repressed SIRT4 expression contributes to the tumor growth. Therefore, our data suggest that the synergistically metabolism of glucose and glutamine in cancer cells contributes to both pH homeostasis and cell growth. At last, application of CtBP inhibitor induced the acidification and apoptosis of breast cancer cells and inhibited glutaminolysis in engrafted tumors, suggesting that CtBP can be potential therapeutic target of cancer treatment.
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Affiliation(s)
- L Wang
- University of Macau, Macau, SAR of People's Republic of China
| | - H Zhou
- School of life Sciences, Anhui Medical University, Hefei, Anhui Province, People's Republic of China
| | - Y Wang
- Institute of Chinese Medical Sciences, University of Macau, Macau, SAR of People's Republic of China
| | - G Cui
- 1] Institute of Chinese Medical Sciences, University of Macau, Macau, SAR of People's Republic of China [2] Bioengineering department, Zunyi Medical college, Zhuhai, Guangdong Province, People's Republic of China
| | - L-J Di
- University of Macau, Macau, SAR of People's Republic of China
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Sun R, Zheng Y, Lei T, Cui G. An assessment of wetland nature reserves and the protection of China’s vertebrate diversity. Anim Biodiv Conserv 2014. [DOI: 10.32800/abc.2014.37.0217] [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] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
We assessed all 148 wetland nature reserves in China and the distribution of the four taxa of endemic and threatened terrestrial vertebrates, reptiles, amphibians, birds and mammals. Assessment of the wetland nature reserves was combined with the governmental list of the endemic and threatened vertebrates to identify the richness of the species. Species richness was scored as high, medium or low using a factor analysis method, and 31 wetland ecosystems were marked as high protection areas. The relationship between the threatened species and the endemic species in the reserves was also analyzed. We found that both richness patterns were similar. Based on the richness study, a nature reserve classification system with corresponding.
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Li J, Zhang B, Cui G, Dai D. [Correlation between characteristics of lymph node metastases and prognosis in pancreatic cancer treated with pancreaticoduodenectomy]. Zhonghua Zhong Liu Za Zhi 2014; 36:688-692. [PMID: 25564060] [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: 06/04/2023]
Abstract
OBJECTIVE To study the correlation between characteristics of lymph node metastases and prognosis in pancreatic cancer treated with pancreaticoduodenectomy. METHODS The clinicopathological data of consecutive series of 122 patients who underwent resection for adenocarcinoma of the pancreas with lymphadenectomy in our hospital were reviewed in this study. The number of metastatic lymph nodes, lymph node metastasis ratio, lymph node levels, and other clinocopathological factors were analyzed by Kaplan-Meier method and Cox proportional hazard model, and their correlation with prognosis was also analyzed. RESULTS 122 patients met the inclusion criteria and entered the study. There were 90 patients (73.8%) with lymph node metastases. Median (range) metastatic lymph node number was 7 (1-28) for the entire cohort, and median (range) metastatic lymph node ratio was 21.1% (3.6%-62.2%). The numbers of patients with lymph nodes metastases to levels 1, 2, 3 were 39 (43.3%), 40 (44.4%), and 11 (12.2%), respectively. Univariate analysis suggested that the maximum diameter of tumor, lymph node metastases, number, ratio, level, distant metastases and adjuvant chemotherapy were significantly related to survival in the entire cohort (P < 0.05). The maximum diameter of tumor, lymph node metastasis number, ratio, level, and adjuvant chemotherapy were significantly related to the survival in node-positive patients (P < 0.05). Multivariate analysis suggested that the diameter of tumor >2 cm, lymph node metastases, metastatic lymph node number >2, ratio >20%, level >1, and without adjuvant chemotherapy were independent risk factors of survival in the entire cohort (P < 0.05). The maximum diameter of tumor >2 cm, metastatic lymph node number >2, ratio >20%, level >1 and without adjuvant chemotherapy were independent risk factors of survival in node-positive patients (P < 0.05 for all). CONCLUSIONS The three indexes, metastatic number, ratio and extent of lymph nodal involvement are statistically significant prognostic factors in pancreatic cancer, which can complement the existing lymph node metastasis staging. The standardized pancreaticoduodenectomy combined with proper lymphodenectomy provides an important basis for a correct prognostic evaluation.
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Affiliation(s)
- Jie Li
- the Second Department of Oncology, Cangzhou Central Hospital, Cangzhou, Hebei Province 061001, China.
| | - Bo Zhang
- the Second Department of Oncology, Cangzhou Central Hospital, Cangzhou, Hebei Province 061001, China
| | - Guozhong Cui
- the Second Department of Oncology, Cangzhou Central Hospital, Cangzhou, Hebei Province 061001, China
| | - Dianlu Dai
- the Second Department of Oncology, Cangzhou Central Hospital, Cangzhou, Hebei Province 061001, China
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Bao Y, Gu D, Feng W, Sun X, Wang X, Zhang X, Shi Q, Cui G, Yu H, Tang C, Deng A. COUP-TFII regulates metastasis of colorectal adenocarcinoma cells by modulating Snail1. Br J Cancer 2014; 111:933-43. [PMID: 25032732 PMCID: PMC4150277 DOI: 10.1038/bjc.2014.373] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Revised: 04/26/2014] [Accepted: 05/29/2014] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Chicken ovalbumin upstream promoter-transcription factor II (COUP-TFII, also known as NR2F2) promotes metastasis by functioning in the tumour microenvironment; however, the role of COUP-TFII in colorectal cancer remains unknown. METHODS Human colon adenocarcinoma tissues were collected to test COUP-TFII expression. Wound-healing and cell invasion assay were used to evaluate migration and invasion of cells. Chicken ovalbumin upstream promoter-transcription factor II and related protein expression was assessed by immunostaining, immunoblotting and real-time PCR assay. Tamoxifen-inducible COUP-TFII knockout mice were employed to test COUP-TFII functions on colon cancer metastasis in vivo. RESULTS Elevated expression of COUP-TFII in colorectal adenocarcinoma tissue correlated with overexpression of the Snail1 transcription factor. High COUP-TFII expression correlated with metastasis and shorter patient survival. Chicken ovalbumin upstream promoter-transcription factor II regulated the migration and invasion of cancer cells. With Snail1, COUP-TFII inhibited expression of adherence molecules such as ZO-1, E-cadherin and β-catenin in colorectal cancer cells. Overexpression of COUP-TFII was required for cancer cells to metastasise in vivo. Chicken ovalbumin upstream promoter-transcription factor II regulated the transcription and expression of Snail1 by directly targeting the Snail1 promoter and regulated associated genes. CONCLUSIONS Chicken ovalbumin upstream promoter-transcription factor II was crucial for colorectal cancer metastasis and regulated cell migration and metastasis in conjunction with Snail1. Chicken ovalbumin upstream promoter-transcription factor II was found to be a biomarker associated with patient survival and colorectal cancer metastasis.
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Affiliation(s)
- Y Bao
- First Affiliated Hospital, Huzhou Teachers College, the First People's Hospital of Huzhou, Huzhou 313000, China
| | - D Gu
- Huzhou Central Hospital, Huzhou 313000, China
| | - W Feng
- First Affiliated Hospital, Huzhou Teachers College, the First People's Hospital of Huzhou, Huzhou 313000, China
| | - X Sun
- First Affiliated Hospital, Huzhou Teachers College, the First People's Hospital of Huzhou, Huzhou 313000, China
| | - X Wang
- First Affiliated Hospital, Huzhou Teachers College, the First People's Hospital of Huzhou, Huzhou 313000, China
| | - X Zhang
- First Affiliated Hospital, Huzhou Teachers College, the First People's Hospital of Huzhou, Huzhou 313000, China
| | - Q Shi
- First Affiliated Hospital, Huzhou Teachers College, the First People's Hospital of Huzhou, Huzhou 313000, China
| | - G Cui
- First Affiliated Hospital, Huzhou Teachers College, the First People's Hospital of Huzhou, Huzhou 313000, China
| | - H Yu
- First Affiliated Hospital, Huzhou Teachers College, the First People's Hospital of Huzhou, Huzhou 313000, China
| | - C Tang
- First Affiliated Hospital, Huzhou Teachers College, the First People's Hospital of Huzhou, Huzhou 313000, China
| | - A Deng
- Department of Laboratory Diagnostic, Changhai Hospital, Second Military Medical University, Shanghai 200433, China
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Shiu A, Chiu R, Cumming D, Chung E, Ragab O, Cui G. SU-E-T-282: Remove Field-Size Limitation Using the Combination of Collimator Rotation and Jaw Tracking with MLC Aperture. Med Phys 2014. [DOI: 10.1118/1.4888613] [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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Cui G, Ballas L, Chang E, Chung E, Chiu R, Cummings D, Shiu A. SU-E-T-569: Evaluation of VMAT Plans Generated with HD120 and Millennium 120 MLC Between Two Matched Linacs. Med Phys 2014. [DOI: 10.1118/1.4888904] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Zheng S, Dou C, Xin N, Wang J, Wang J, Li P, Fu L, Shen X, Cui G, Dong R, Lu J, Zhang Y. Expression of interleukin-22 in myasthenia gravis. Scand J Immunol 2013; 78:98-107. [PMID: 23617779 DOI: 10.1111/sji.12057] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [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: 02/25/2013] [Accepted: 03/18/2013] [Indexed: 12/20/2022]
Abstract
IL-17 and IL-22 are implicated in the pathogenesis of autoimmune diseases. The roles of IL-22 in the pathophysiology of myasthenia gravis (MG) remain unsettled. The aim of this study was to investigate the possible relationship between serum IL-22, IL-17 levels, anti-acetylcholine receptor antibody (anti-AChR Ab) titres and clinical parameters in patients with MG. The serum IL-22, IL-17 levels and anti-AChR Ab titres were tested by enzyme-linked immunosorbent assay (ELISA), while the expression of IL-22 and IL-17 mRNAs in peripheral blood mononuclear cells (PBMC) from healthy and MG subjects were detected by quantitative real-time PCR (qRT-PCR). Furthermore, PBMC from 12 patients with generalized MG were purified and treated with recombinant human IL-22 (rhIL-22), the IL-17 levels of supernatant were detected by ELISA. We found that the IL-17 levels were significantly increased, but IL-22 levels were significantly decreased in the serum of patients with MG compared with healthy controls. Consistantly, a significant decrease in IL-22 mRNA levels and an increase in IL-17 mRNA levels were detected in PBMC collected from patients with MG, compared with healthy controls. A negative correlation between IL-22 mRNA in PBMC, serum IL-22 and serum anti-AChR Ab levels was found in patients with MG. Moreover, in cultured MG PBMC treated with recombinant human IL-22 (rhIL-22), the IL-17 levels were decreased in a dose-dependent manner. Our findings indicated a possible role of IL-22 as a protective factor in MG.
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Affiliation(s)
- S Zheng
- Department of Neurology, Affiliated Hospital of Xuzhou Medical College, Xuzhou, Jiangsu, China
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Cui G, Housley D, Chen F, Mehta V, Shepard D. TU-E-108-03: Optimization of the Beam-On Latency of An Elekta Linac in the Delivery of Gated VMAT. Med Phys 2013. [DOI: 10.1118/1.4815418] [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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Cui G, Housley D, Chen F, Mehta V, Shepard D. Delivery Efficiency and Dosimetric Accuracy of Respiratory Gated Volumetric Modulated Arc Therapy Using a Digital Accelerator. Int J Radiat Oncol Biol Phys 2012. [DOI: 10.1016/j.ijrobp.2012.07.2286] [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: 10/27/2022]
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Yamamoto T, Gopalan S, Cui G, Diehn M, Berger J, Loo B, Keall P. Impact of Audiovisual Biofeedback on 4D-CT Image Quality. Int J Radiat Oncol Biol Phys 2011. [DOI: 10.1016/j.ijrobp.2011.06.1491] [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: 10/16/2022]
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Yang J, Yamamoto T, Gopalan S, Cui G, Diehn M, Berger J, Loo B, Graves E, Keall P. Impact of Audiovisual Biofeedback on 4D PET Image Quality. Int J Radiat Oncol Biol Phys 2011. [DOI: 10.1016/j.ijrobp.2011.06.1470] [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: 10/16/2022]
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Cui G, Jew B, Hong J, Loo B, Maxim P. TU-E-BRC-09: An Automated Scoring Method for Motion Artifacts in Cine Four-Dimensional Computed Tomography Images. Med Phys 2011. [DOI: 10.1118/1.3613196] [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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Ren Z, Jeon SR, Gherasimova M, Cui G, Han J, Peng H, Song YK, Nurmikko AV, Zhou L, Goetz W, Krames M, Cho HK. Growth, Characterization, and Application of High Al-content AlGaN and High Power III-Nitride Ultraviolet Emitters. ACTA ACUST UNITED AC 2011. [DOI: 10.1557/proc-831-e1.4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
ABSTRACTA study of Si-doped and Mg-doped AlxGa1-xN up to × ∼ 50 % and the characteristics of ultraviolet (UV) light emitting diodes (LEDs) with emission wavelengths at 340 nm and 290 nm are reported. By using grading super-lattices (SLs) before n-type AlGaN growth, surface roughness is much improved. Resistivity of 2.9×10-2 Ωcm and free electron concentrations of 2.9×10 cm- are achieved for n-type Al0.45Ga0.55N. The viability of effective p-type doping is defined by a minimum concentration of Mg required to offset the background impurities and, more importantly, a maximum limit above which inversion domains and structural defects start to nucleate, accompanied by a rapid degradation of electrical transport. Resistivity of 10 Ωcm and free hole concentrations above 1017 cm−3 are achieved for AlxGa1-xN up to × ∼ 50 % within an optimum window of Mg incorporation. Output powers up to 1.5 mW from small area 340 nm LEDs (< 100 μm diameter) and 110 μW from 290 nm LEDs (100 μm diameter) directly off a planar chip have been achieved under DC condition. For large area encapsulated lamp (1×1 mm2 device area and 0.52 mm2 mesa area), output power of 79 mW from 340 nm LEDs and 8.5 mW from 290 nm LEDs are achieved under pulse mode (1kHz, 2% duty factor).
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44
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Kaskhedikar N, Karatas Y, Cui G, Maier J, Wiemhöfer HD. Nanocomposites based on borate esters as improved lithium-ion electrolytes. ACTA ACUST UNITED AC 2011. [DOI: 10.1039/c1jm11189b] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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45
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Han B, Meng B, Cui G, Wu Z, Yu L, Zhu H, Ma H, Shi J, Lv Y. Regeneration of Splenic Autotransplants Attached on Liver by a Tissue Adhesive. Transplant Proc 2010; 42:1944-8. [DOI: 10.1016/j.transproceed.2010.01.073] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2009] [Accepted: 01/25/2010] [Indexed: 10/19/2022]
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46
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Cui G, Jew B, Yamamoto T, Hong J, Loo B, Maxim P. SU-GG-I-122: An Automated Scoring Method to Quantitatively Evaluate Imaging Artifacts in 4D-CT Images. Med Phys 2010. [DOI: 10.1118/1.3468156] [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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47
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Cui G, Maxim P, Graves E. SU-FF-I-152: Influence of Oxygen Tensions and Tissue Optical-Properties On Optical Reporter Genes. Med Phys 2009. [DOI: 10.1118/1.3181273] [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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48
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Cui G, Furukawa H, Xu J, Laks H, Sen L. 436: Combined Ex Vivo IL-4 and IL-10 Gene Therapy Reduces Chronic Rejection in Cardiac Allografts. J Heart Lung Transplant 2009. [DOI: 10.1016/j.healun.2008.11.443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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49
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Sen L, Cui G, Laks H, Chen C. 106: Low Strength Electric Field Network-Mediated Ex Vivo IL-4 and IL-10 Combined Gene Therapy Induced Rabbit Cardiac Allograft Tolerance. J Heart Lung Transplant 2009. [DOI: 10.1016/j.healun.2008.11.784] [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: 10/21/2022] Open
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50
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Kaskhedikar NA, Karatas Y, Cui G, Wiemhoefer HD, Maier J. Electrochemical study of nanocomposite electrolytes based on borate esters. Z Anorg Allg Chem 2008. [DOI: 10.1002/zaac.200870085] [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: 11/12/2022]
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