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Fan SB, Wang ZJ, Mao Q, Tong CF, Zhai WT, Zheng YZ, Sun CX, Shi J. [Outcomes of splenectomy in relapsed/refractory autoimmune hemolytic anemia]. ZHONGHUA XUE YE XUE ZA ZHI = ZHONGHUA XUEYEXUE ZAZHI 2019; 40:132-136. [PMID: 30831628 PMCID: PMC7342661 DOI: 10.3760/cma.j.issn.0253-2727.2019.02.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Indexed: 02/07/2023]
Abstract
Objective: To evaluate the outcomes of splenectomy in the treatment of relapsed/refractory autoimmune hemolytic anemia (AIHA). Methods: Retrospective analysis was performed in 30 cases with relapsed/refractory AIHA who were treated with splenectomy in our hospital. The pre- and post-operative blood routine indexes and responses were followed up. Results: Among the 30 relapsed/refractory AIHA patients, 20 were pure AIHA (including 13 patients with warm antibody AIHA, 2 with warm-cold double antibody AIHA and 5 with Coombs negative AIHA) and 10 were Evans syndrome. The short-term response was evaluated 10-14 days after operation, and the overall response rate (ORR) of short-term response was 90% [12 cases in complete response (CR), 6 cases in partial response (PR)] in 20 therapeutic evaluable cases. Among 13 patients with long-term follow-up data, except 3 patients with Evans syndrome died (2 cases were refractory to splenectomy, 1 case relapsed after surgery), the ORR of 10 patients with relapsed/refractory pure AIHA at 6 months and 12 months were 90% (9/10) and 70% (7/10), respectively, with a median follow-up of 14 (4-156) months. At the end of follow-up, 3 cases had maintained CR for more than 3 years. Conclusion: The short-term response of splenectomy as a second-line treatment for relapsed/refractory AIHA is satisfactory, and long-term outcome of splenectomy is up to 70% at 1 year. Approximately one-third of patients could maintain sustained remission.
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Zuo MR, Liang RF, Li M, Xiang YF, Zhang SX, Yang Y, Wang X, Mao Q, Liu YH. A comprehensive study of risk factors for post-operative pneumonia following resection of meningioma. BMC Cancer 2019; 19:100. [PMID: 30674295 PMCID: PMC6345042 DOI: 10.1186/s12885-019-5271-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2018] [Accepted: 01/02/2019] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Post-operative pneumonia (Pop) following meningioma surgery is the dominant systemic complication which could cause serious threats to patients. It is unclear whether hematological biochemical markers are independently associated with the Pop. This study attempted to perform a more comprehensive study of taking both clinical factors and hematological biomarkers into account to promote the management of patients after meningioma surgery. METHODS We collected clinical and hematological parameters of 1156 patients undergoing meningioma resection from January 2009 to January 2013. According to whether the symptoms of pneumonia had manifested,patients were divided into the Pop group and the Non-Pop group. We analyzed the distinctions of clinical factors between the two groups. We successively performed univariate and multivariate regression analysis to identify risk factors independently associated with the Pop. RESULTS 4.4% patients infected with the Pop (51 of 1156). The median age at diagnosis of the Pop patients was significantly older than the Non-Pop group (p = 0.002). There were strike distinctions of post-operative hospital stays between two groups, with 21 days and 7 days each (p < 0.001). On multivariate analysis, tumor relapse (p < 0.001), skull base lesions (p = 0.001), intra-operative blood transfusion (p = 0.018) and cardiovascular diseases (p = 0.001) were linked with increased risk of the Pop following meningioma resection. For hematological biochemical markers, it was the factor of Red blood cell distribution width-standard deviation (RDW-SD) (OR 5.267, 95%CI 1.316, 21.078; p = 0.019) and Neutrophils lymphocytes ratio (NLR) (OR 2.081, 95%CI 1.063, 4.067; p = 0.033) that could appreciably predict the Pop. CONCLUSIONS Apart from tumor recurrence, localizations, intra-operative blood transfusion and cardiovascular diseases are independent risk factors for the Pop. We initially found hematological RDW-SD and NLR are also important predictors.
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Gao Y, Zhu H, Mao Q. Effects of neuroblastoma breakpoint family member 1 (NBPF1) gene on Akt-p53-Cyclin D pathway and growth of cutaneous squamous carcinoma cells. Neoplasma 2019; 66:584-592. [DOI: 10.4149/neo_2018_181123n888] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Accepted: 02/14/2019] [Indexed: 11/08/2022]
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Mao Q, Xu L. P2.16-06 Development and Validation of a Gene Expression-Based Nomogram to Predict Relapse in Stage I NSCLC: A Retrospective, Multi-Cohort Study. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.1481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Mao Q, Hu J. P3.03-03 Differential Microbiota Features in Lung Tumor and Adjacent Normal Tissues in Lung Cancer Patients. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.1680] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Fang Y, Zhang H, Mao Q, Li Z. Land Cover Classification with GF-3 Polarimetric Synthetic Aperture Radar Data by Random Forest Classifier and Fast Super-Pixel Segmentation. SENSORS 2018; 18:s18072014. [PMID: 29932441 PMCID: PMC6068523 DOI: 10.3390/s18072014] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 06/12/2018] [Accepted: 06/19/2018] [Indexed: 11/16/2022]
Abstract
Chinese Gaofen-3 (GF-3), a vital satellite for high-resolution earth observation, was the first C-band polarimetric synthetic aperture radar (SAR) launched in China with a resolution of up to one meter. Polarimetric SAR can obtain the complete physical scattering mechanisms of targets, thereby having the potential to differentiate objects. In this paper, several classification methods are briefly summarized and the types of features that should be chosen during classification are discussed. A pre-classification step is introduced to reduce the workload of precise labeling. The Random Forest classifier, which performs well for many other classification tasks, is used for the initial land cover classification. Then, based on a polarimetric constant false-alarm rate (CFAR) edge detector, a fast super-pixel generation method for polarimetric SAR image is proposed, which does not require the adjustment of parameters in advance. Following that, majority vote is conducted on the initial classification result based on the super-pixels, so that the classification result can be optimized to better meet the mapping requirements. The experimental results based on GF-3 polarimetric SAR data verify the effectiveness of proposed procedure and demonstrate that GF-3 data has excellent performance in land cover classification.
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Mao Q, Jiang F, Xu L. 43P A network-based signature to predict the survival of non-smoking lung adenocarcinoma. J Thorac Oncol 2018. [DOI: 10.1016/s1556-0864(18)30323-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Feng B, Shang J, Wu SH, Chen H, Han Y, Li YQ, Zhang DZ, Zhao LF, Wei SF, Mao Q, Yin CB, Han T, Wang MR, Chen SJ, Li J, Xie Q, Zhen Z, Gao ZL, Zhang YX, Gong GZ, Yang DL, Pan C, Sheng JF, Tang H, Ning Q, Shi GF, Niu JQ, Luo GH, Sun YT, You H, Wang GQ, Zhang LL, Peng J, Zhang Q, Liu JJ, Chen CW, Chen XY, Zhao W, Wang RH, Sun L, Wei L. [Efficacy and safety of pegylated interferon α-2b injection (Y shape, 40 kD) in treatment of patients with genotype 1/6 chronic hepatitis C]. ZHONGHUA GAN ZANG BING ZA ZHI = ZHONGHUA GANZANGBING ZAZHI = CHINESE JOURNAL OF HEPATOLOGY 2017; 25:187-194. [PMID: 28482405 DOI: 10.3760/cma.j.issn.1007-3418.2017.03.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Objective: To investigate the efficacy and safety of the new investigational drug pegylated interferon α-2b (Peg-IFN-α-2b) (Y shape, 40 kD) injection (180 µg/week) combined with ribavirin in the treatment of patients with genotype 1/6 chronic hepatitis C (CHC), with standard-dose Peg-IFN-α-2a combined with ribavirin as a positive control. Methods: A multicenter, randomized, open-label, and positive-controlled phase III clinical trial was performed. Eligible patients with genotype 1/6 CHC were screened out and randomly divided into Peg-IFN-α-2b(Y shape, 40kD) group and Peg-IFN-α-2a group at a ratio of 2:1. The patients in both groups were given oral ribavirin for 48 weeks in addition and then followed up for 24 weeks after drug withdrawal. Abbott Real Time HCV Genotype II was used to determine HCV genotype, and Cobas TaqMan quantitative real-time PCR was used to measure HCV RNA level at 0, 4, 12, 24, 48, and 72 weeks. Adverse events were recorded in detail. The primary efficacy endpoint was sustained virological response (SVR), and a non-inferiority test was also performed. Results: A total of 561 patients with genotype 1/6 CHC were enrolled, among whom 529 received treatment; 90.9% of these patients had genotype 1 CHC. The data of the full analysis set showed that SVR rate was 69.80% (95% CI 65.00%-74.60%) in the trial group and 74.16% (95% CI 67.73%-80.59%) in the control group (P = 0.297 0). The data of the per protocol set (PPS) showed that SVR rate was 80.63% (95% CI 76.04%-85.23%) in the trial group and 81.33% (95% CI 75.10%-87.57%) in the control group (P = 0.849 8), and the 95% CI of rate difference conformed to the non-inferiority standard. The analysis of the PPS population showed that of all subjects, 47.9% achieved rapid virologic response, with a positive predictive value of 93.8%. The incidence rate of adverse events was 96.30% in the trial group and 94.94% in the control group, and the incidence rate of serious adverse events was 5.13% in the trail group and 5.06% in the control group. Conclusion: In the regimen of Peg-IFN-α combined with ribavirin for the treatment of genotype 1/6 CHC, the new investigational drug Peg-IFN-α-2b(Y shape, 40 kD) has comparable clinical effect and safety to the control drug Peg-IFN-α-2a.
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Mao Q, Xu L, Jiang F, Yin R. PUB030 A Nomogram to Predict the Survival of Stage IIIA-N2 Non-Small Cell Lung Cancer After Surgery. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.1893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Xu JH, Wang S, Xu ZN, Yu YY, Si CW, Zeng Z, Li J, Mao Q, Zhang DZ, Tang H, Sheng JF, Chen XY, Ning Q, Shi GF, Xie Q, Zhang XQ, Dai J. Entecavir maleate versus entecavir in Chinese chronic hepatitis B predominantly genotype B or C: Results at week 144. J Viral Hepat 2017; 24:877-884. [DOI: https:/doi.org/10.1111/jvh.12710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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Xu JH, Wang S, Xu ZN, Yu YY, Si CW, Zeng Z, Li J, Mao Q, Zhang DZ, Tang H, Sheng JF, Chen XY, Ning Q, Shi GF, Xie Q, Zhang XQ, Dai J. Entecavir maleate versus entecavir in Chinese chronic hepatitis B predominantly genotype B or C: Results at week 144. J Viral Hepat 2017; 24:877-884. [PMID: 28345157 DOI: 10.1111/jvh.12710] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Accepted: 02/22/2017] [Indexed: 02/05/2023]
Abstract
Reports on the efficacy and safety of long-term entecavir treatment in chronic hepatitis B (CHB) predominantly genotype B or C are insufficient. This study presents the efficacy and safety of entecavir maleate in Chinese CHB patients. Patients were randomly assigned to receive 48-week treatment with either 0.5 mg/day entecavir (group A) or 0.5 mg/day entecavir maleate (group B), and then all patients received treatment with 0.5 mg/day entecavir maleate from week 49. Two hundred and seventy-five patients with CHB (HBeAg-positive: 218) were analysed, predominantly (98.5%) with genotype B or C. Baseline characteristics were balanced. For the HBeAg-positive CHB patients, the mean HBV DNA level decreased similarly (A: by 6.36 log10 IU/mL vs B: by 6.31 log10 IU/mL) between groups at week 144. The percentages of patients who achieved undetectable HBV DNA were similar (A: 70.59% vs B: 66.67%) between groups. Similar HBeAg loss rates (A: 43.53% vs B: 40.23%; P>.05) and HBeAg seroconversion rates (A: 21.52% vs B: 21.18%) were achieved. For the HBeAg-negative CHB patients, similar reductions in HBV DNA levels from baseline (A: by 6.13 log10 IU/mL vs B: by 5.65 log10 IU/mL) and percentages of patients who achieved undetectable HBV DNA (A: 100% vs B: 100%) were achieved. The overall incidence of adverse events was comparable between groups. In conclusions, 48-week administration of entecavir maleate and entecavir showed similar efficacy and safety in Chinese patients with CHB. Long-term entecavir maleate treatment was effective and safe in CHB patients.
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Sun AX, Yi XL, Mao Q. [Diagnostic analysis of glanzmann thrombasthenia caused by two novel ITGA2B gene mutations]. ZHONGHUA ER KE ZA ZHI = CHINESE JOURNAL OF PEDIATRICS 2017; 55:708-709. [PMID: 28881521 DOI: 10.3760/cma.j.issn.0578-1310.2017.09.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
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Xie J, Mao Q, Tai PWL, He R, Ai J, Su Q, Zhu Y, Ma H, Li J, Gong S, Wang D, Gao Z, Li M, Zhong L, Zhou H, Gao G. Short DNA Hairpins Compromise Recombinant Adeno-Associated Virus Genome Homogeneity. Mol Ther 2017; 25:1363-1374. [PMID: 28462820 PMCID: PMC5474962 DOI: 10.1016/j.ymthe.2017.03.028] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2017] [Revised: 03/14/2017] [Accepted: 03/15/2017] [Indexed: 02/05/2023] Open
Abstract
Short hairpin (sh)RNAs delivered by recombinant adeno-associated viruses (rAAVs) are valuable tools to study gene function in vivo and a promising gene therapy platform. Our data show that incorporation of shRNA transgenes into rAAV constructs reduces vector yield and produces a population of truncated and defective genomes. We demonstrate that sequences with hairpins or hairpin-like structures drive the generation of truncated AAV genomes through a polymerase redirection mechanism during viral genome replication. Our findings reveal the importance of genomic secondary structure when optimizing viral vector designs. We also discovered that shDNAs could be adapted to act as surrogate mutant inverted terminal repeats (mTRs), sequences that were previously thought to be required for functional self-complementary AAV vectors. The use of shDNAs as artificial mTRs opens the door to engineering a new generation of AAV vectors with improved potency, genetic stability, and safety for both preclinical studies and human gene therapy.
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Mao Q, Yang Y. P08.38 A 3D-Engineered Conformal Implant Releases DNA Nanocomplexs for Eradicating the Post-Surgery Residual Glioblastoma. Neuro Oncol 2017. [DOI: 10.1093/neuonc/nox036.227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Mao Q, Yuan Y. P01.19 Activation of the mTOR signaling pathway in peritumoral tissues can cause glioma-associated seizures. Neuro Oncol 2017. [DOI: 10.1093/neuonc/nox036.095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Mao Q, Yuan X. P08.37 Analyzing the interactions of mRNAs, miRNAs, lncRNAs and circRNAs to predict competing endogenous RNA networks in glioblastoma. Neuro Oncol 2017. [DOI: 10.1093/neuonc/nox036.226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Xu JH, Song LW, Li N, Wang S, Zeng Z, Si CW, Li J, Mao Q, Zhang DZ, Tang H, Sheng JF, Chen XY, Ning Q, Shi GF, Xie Q, Yuan Q, Yu YY, Xia NS. Baseline hepatitis B core antibody predicts treatment response in chronic hepatitis B patients receiving long-term entecavir. J Viral Hepat 2017; 24:148-154. [PMID: 27891715 DOI: 10.1111/jvh.12626] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2016] [Accepted: 08/19/2016] [Indexed: 02/05/2023]
Abstract
Studies regarding the clinical significance of quantitative hepatitis B core antibody (anti-HBc) in patients with chronic hepatitis B receiving first-line nucleos(t)ide analogues is limited. The aim of this study was to determine the performance of anti-HBc as a predictor for hepatitis B e antigen (HBeAg) seroconversion in HBeAg-positive CHB patients treated with entecavir. This was a retrospective cohort study consisting of 139 Chinese patients enrolled in a multicenter clinical trial treated with entecavir or entecavir maleate for up to 240 weeks. Anti-HBc evaluation was conducted for all the available samples using a newly developed double-sandwich anti-HBc immunoassay. At week 240, 35 (25.2%) patients achieved a serological response (HBeAg seroconversion) and these patients at week 240 had significantly higher levels of anti-HBc (P<.01). We defined 4.65 log10 IU·mL-1 , with a maximum sum of sensitivity and specificity, as the optimal cut-off value of baseline anti-HBc level to predict seroconversion. Patients with baseline anti-HBc ≥4.65 log10 IU·mL-1 had 28.0% (26/93) and 35.5% (33/93) chance of seroconversion at weeks 144 and 240, respectively. The baseline anti-HBc level was the strongest predictor for seroconversion at week 144 (OR: 5.78, 95% confidence interval [CI]: 2.05-16.34, P=.001). The baseline anti-HBc level was a strong predictor for seroconversion at week 240 (OR: 5.36, 95% CI: 2.17-13.25, P<.001). Hence, baseline anti-HBc titre is a useful predictor of long-term entecavir therapy efficacy in HBeAg-positive CHB patients, which could be used to optimize antiviral therapy.
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Li Z, Chen P, Guo Y, Xiang H, Mao Q, Zeng G, Xiao H, Xu D, Zhang X. 165 The Impact of Surgical Treatments for Lower Urinary Tract Symptoms/Benign Prostatic Hyperplasia on Male Erectile Function: A Systematic Review and Network Meta-Analysis. J Sex Med 2017. [DOI: 10.1016/j.jsxm.2016.11.112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Mao Q, Li Z, Chen P, Guo Y, Xiang H, Zeng G, Xu D, Cao B, Zhao K, Xiao H, Zhang X. 391 Upregulation of Phosphodiesterase Type 4 in the Hyperplastic Prostate. J Sex Med 2017. [DOI: 10.1016/j.jsxm.2016.11.270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Li Z, Chen P, Guo Y, Xiang H, Mao Q, Zeng G, Xiao H, Xu D, Zhang X, Cao B, Zhao K. 393 Upregulation of Oxytocin Receptor in the Hyperplastic Prostate. J Sex Med 2017. [DOI: 10.1016/j.jsxm.2016.11.272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Xu Y, Qiu M, Chen Y, Wang J, Xia W, Mao Q, Yang L, Li M, Jiang F, Xu L, Yin R. Long noncoding RNA, tissue differentiation-inducing nonprotein coding RNA is upregulated and promotes development of esophageal squamous cell carcinoma. Dis Esophagus 2016; 29:950-958. [PMID: 26833746 DOI: 10.1111/dote.12436] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Esophageal squamous cell carcinoma (ESCC) is one of the major causes of cancer death worldwide, especially in Eastern Asia. Due to the poor prognosis, it is necessary to further dissect the underlying mechanisms and explore therapeutic targets of ESCC. Recently, studies show that long noncoding RNAs (lncRNAs) have critical roles in diverse biological processes, including tumorigenesis. Increasing evidence indicates that some lncRNAs are widely involved in the development and progression of ESCC, such as HOTAIR, SPRY4-IT1 and POU3F3. An emerging lncRNA, tissue differentiation-inducing nonprotein coding RNA (TINCR), has been studied in human cutaneous squamous cell carcinoma and has critical biological function, but its role in ESCC remains unknown. Here, we evaluated the expression profile of TINCR and its biological function in ESCC. In a cohort of 56 patients, TINCR was significantly overexpressed in ESCC tissues compared with paired adjacent normal tissues. Further, in vitro silencing TINCR via small interfering RNA (siRNA) inhibited the proliferation, migration and invasion of ESCC cells. Meantime, siRNA treatment induced apoptosis and blocked the progression of cell cycle. Taken together, our study suggests that TINCR promotes proliferation, migration and invasion of ESCC cells, acting as a potential oncogene of ESCC.
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Lin CH, Wang YL, Anggelia MR, Chuang WY, Cheng HY, Mao Q, Zelken JA, Lin CH, Zheng XX, Lee WPA, Brandacher G. Combined Anti-CD154/CTLA4Ig Costimulation Blockade-Based Therapy Induces Donor-Specific Tolerance to Vascularized Osteomyocutaneous Allografts. Am J Transplant 2016; 16:2030-41. [PMID: 26914847 DOI: 10.1111/ajt.13694] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2015] [Revised: 12/06/2015] [Accepted: 12/20/2015] [Indexed: 01/25/2023]
Abstract
Tolerance induction by means of costimulation blockade has been successfully applied in solid organ transplantation; however, its efficacy in vascularized composite allotransplantation, containing a vascularized bone marrow component and thus a constant source of donor-derived stem cells, remains poorly explored. In this study, osteomyocutaneous allografts (alloOMCs) from Balb/c (H2(d) ) mice were transplanted into C57BL/6 (H2(b) ) recipients. Immunosuppression consisted of 1 mg anti-CD154 on day 0, 0.5 mg CTLA4Ig on day 2 and rapamycin (RPM; 3 mg/kg per day from days 0-7, then every other day for 3 weeks). Long-term allograft survival, donor-specific tolerance and donor-recipient cell trafficking were evaluated. Treatment with costimulation blockade plus RPM resulted in long-term graft survival (>120 days) of alloOMC in 12 of 15 recipients compared with untreated controls (median survival time [MST] ≈10.2 ± 0.8 days), RPM alone (MST ≈33 ± 5.5 days) and costimulation blockade alone (MST ≈45.8 ± 7.1 days). Donor-specific hyporesponsiveness in recipients with viable grafts was demonstrated in vitro. Evidence of donor-specific tolerance was further assessed in vivo by secondary donor-specific skin graft survival and third-party graft rejection. A significant increase of Foxp3(+) regulatory T cells was evident in tolerant animals. Donor cells populated peripheral blood, thymus, and both donor and recipient bone marrow. Consequently, combined anti-CD154/CTLA4Ig costimulation blockade-based therapy induces donor-specific tolerance in a stringent murine alloOMC transplant model.
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Zhang J, Wang G, Mao Q, Li S, Xiong W, Lin Y, Ge J. Glutamate dehydrogenase (GDH) regulates bioenergetics and redox homeostasis in human glioma. Oncotarget 2016. [DOI: 10.18632/oncotarget.7657] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Yin Y, Mao Q, Chen S, Li N, Li X, Li Y. A quantitative study about thyroid stunning after diagnostic whole-body scanning with 74 MBq 131I in patients with differentiated thyroid carcinoma. THE QUARTERLY JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING : OFFICIAL PUBLICATION OF THE ITALIAN ASSOCIATION OF NUCLEAR MEDICINE (AIMN) [AND] THE INTERNATIONAL ASSOCIATION OF RADIOPHARMACOLOGY (IAR), [AND] SECTION OF THE SOCIETY OF... 2015; 59:455-461. [PMID: 26416037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
AIM The aim of this paper was to explore by a quantitative method whether a 74 MBq 131I scanning activity produces a stunning effect in patients with differentiated thyroid carcinoma (DTC). METHODS We included 70 patients with DTC who had their first radioiodine treatment for ablation of thyroid remnants and/or metastases. All the patients received 1850~7400 MBq 131I. Before ablation, 34 patients (group A) performed a diagnostic scan (Dscan) 24 hours after the administration of 74 MBq 131I; 36 patients (group B) received 131I therapy without a previous Dscan. A therapeutic scan (Tscan) was performed after the ablation. The fractional concentrations of 131I in remnants or functional metastases were quantified on Dscan and Tscan, and were expressed as Dx and Tx respectively. The level of significance was set at 0.05. RESULTS For group A, 67 foci were found both on Dscan and Tscan, the mean Dx and Tx was 26.13±37.98 and 7.46±10.63 (P=0.000), respectively. For group B, 70 foci were found on Tscan, the mean Tx was 15.23±17.23, which was higher than group A significantly (P=0.002). CONCLUSION 74 MBq 131I for diagnostic scan can decrease the uptake of 131I by thyroid remnants or metastases, the thyroid stunning exists.
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Tang M, Peng Z, Mai Z, Chen L, Mao Q, Chen Z, Chen Q, Liu L, Wang Y, Ai H. Fluid shear stress stimulates osteogenic differentiation of human periodontal ligament cells via the extracellular signal-regulated kinase 1/2 and p38 mitogen-activated protein kinase signaling pathways. J Periodontol 2015; 85:1806-13. [PMID: 25186781 DOI: 10.1902/jop.2014.140244] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
BACKGROUND Fluid shear stress (FSS) is a major type of mechanical stress that is loaded on human periodontal ligament cells (hPDLCs) during mastication and orthodontic tooth movement. This study aims to clarify the effect of FSS on the osteogenic differentiation of hPDLCs and to further verify the involvement of mitogen-activated protein kinase (MAPK) signaling in this process. METHODS After isolation and characterization, hPDLCs were subjected to 2-hour FSS at 12 dynes/cm(2), and cell viability, osteogenic gene mRNA expression, alkaline phosphatase (ALP) activity, secretion of Type I collagen (COL-I), and calcium deposition were assayed. The levels of phosphorylated p38 and phosphorylated extracellular signal-regulated kinase 1/2 (ERK1/2) in response to FSS were detected by Western blot, and the involvement of ERK1/2 and p38 MAPK signaling pathways in hPDLC osteogenesis under FSS was investigated using the specific MAPK inhibitors U0126 (2Z,3Z)-2,3-bis[amino(2-aminophenylthio)methylene]succinonitrile,ethanol) and SB203580 (4-[4-(4-fluorophenyl)-2-(4-[methylsulfinyl]phenyl)-1H-imidazol-5-yl]pyridine). RESULTS The application of FSS on hPDLCs induced an early morphologic change and rearrangement of filamentous actin. ALP activity, messenger RNA (mRNA) levels of osteogenic genes, COL-I, and osteoid nodules were significantly increased by FSS. Moreover, ERK1/2 and p38 were activated in different ways after FSS exposure. U0126 and SB203580 completely blocked the FSS-induced increases in ALP activity and osteogenic gene mRNA expression and osteoid nodules formation. CONCLUSIONS FSS is an effective approach for stimulating osteogenic differentiation of hPDLCs. The ERK1/2 and p38 MAPK signaling pathways are involved in this cellular process.
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