1
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Pu J, Zhang Y, Zhong D, Chen Q. Detection and genetic characterization of circulating canine parvovirus from stray dogs in Shanghai, China. Virology 2024; 595:110041. [PMID: 38555807 DOI: 10.1016/j.virol.2024.110041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 02/02/2024] [Accepted: 02/28/2024] [Indexed: 04/02/2024]
Abstract
Canine parvovirus (CPV) is the main cause of viral diarrhea in dogs. CPV became a global disease in 1978 and was endemic all over the world. CPV-2 was the first strain to be identified, but with genetic mutations, new genotypes such as CPV-2a/2b/2c/new-2a/new-2b have emerged. In this study, 128 fecal samples of stray dogs suspected of CPV-2 infection were collected from January to March 2021 in Shanghai, China. All samples were screened by PCR and further analyzed by VP2 gene. The positive rate of CPV-2 was 9.4% (12/128), of which 6 CPV-2 isolates were successfully isolated. Phylogenetic tree analysis showed that 4 isolates were CPV-2c genotype and 2 were new-CPV-2b genotype. VP-2 is a key protein that determines the antigenic properties, host range and receptor binding of cpv-2. The results of VP2 amino acid sequence analysis in this study showed that the CPV-2c isolated strain was the same as the previous strains reported in China, including F267Y, Y324I, Q370R and A5G mutations in addition to the typical N426E mutations. Similarly, in addition to the conventional N426D, S297A, F267Y and Y324I mutations, the new CPV-2b isolate also had a new mutation of T440A. This study further confirmed the prevalence of CPV-2c and new-CPV-2b in Shanghai, and also found a new mutation site of new-CPV-2c, which provided a theoretical basis for further enriching the epidemiological data of CPV-2 in Shanghai, as well as the development of vaccines and the prevention and control of the disease.
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Affiliation(s)
- Junyi Pu
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, PR China; SNLG Precision Medtech (Shanghai) Ltd, Shanghai, 201100, PR China
| | - Yan Zhang
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, PR China
| | - Dengke Zhong
- Shanghai Vocational and Technical College of Agriculture and Forestry, Shanghai, 201600, PR China.
| | - Qiusheng Chen
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, PR China.
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2
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Pu J. [Opportunities and challenges in an emerging interdisciplinary research field-cardio-oncology]. Zhonghua Yi Xue Za Zhi 2023; 103:3315-3320. [PMID: 37963731 DOI: 10.3760/cma.j.cn112137-20230901-00368-1] [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] [Grants] [Subscribe] [Scholar Register] [Indexed: 11/16/2023]
Abstract
The field of oncology has made remarkable progress over the past two decades. With the aging of the population, the number of cancer survivors is increasing. At the same time, cancer therapy-related cardiovascular toxicity (CTR-CVT) has become an important cause that seriously affects the quality of life and survival of cancer patients. In this context, cardio-oncology, an emerging interdisciplinary field, emerged. The types and treatment strategies of oncological diseases are heterogeneous, and the management of cancer patients also requires the participation of multiple disciplines. Currently, there are still insufficient clinical research and evidence-based practice in the field of cardio-oncology, resulting in a lack of standardization in its diagnosis and treatment. Additionally, the training model of physicians in cardio-oncology is still being explored. This article provides a comprehensive exploration of the opportunities and challenges faced by physicians and researchers in the field of cardio-oncology. It also delves into the prevailing landscape of clinical research in China and outlines the future training model for physicians in cardio-oncology.
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Affiliation(s)
- J Pu
- Department of Cardiology, Renji Hospital, State Key Laboratory of Systems Medicine for Cancer, Shanghai Cancer Institute, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
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3
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Kong C, Pu J, Zhao Q, Weng W, Ma L, Qian Y, Hu W, Meng X, Meng T. MTX-13, a Novel PTK7-Directed Antibody-Drug Conjugate with Widened Therapeutic Index Shows Sustained Tumor Regressions for a Broader Spectrum of PTK7-Positive Tumors. Mol Cancer Ther 2023; 22:1128-1143. [PMID: 37352387 PMCID: PMC10544008 DOI: 10.1158/1535-7163.mct-23-0164] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 05/04/2023] [Accepted: 06/20/2023] [Indexed: 06/25/2023]
Abstract
Protein tyrosine kinase 7 (PTK7) is a Wnt signaling pathway protein implicated in cancer development and metastasis. When using a potent microtubule inhibitor (Aur0101), PTK7-targeting antibody-drug conjugate (ADC), h6M24-vc0101 (PF-06647020/cofetuzumab pelidotin) is efficacious only in limited tumor types with low response rates in a phase I trial. To improve patient response and to expand responding tumor types, we designed MTX-13, a PTK7-targeting ADC consisting of a novel antibody (Ab13) conjugated to eight molecules of topoisomerase I inhibitor exatecan through T1000, a novel self-immolative moiety. MTX-13 exhibited PTK7-specific cell binding, efficient internalization, and exatecan release to cause cytotoxic activity through DNA damage and apoptosis induction, and a strong bystander killing. MTX-13 displayed potent antitumor activities on cell line-derived xenograft and patient-derived xenograft models from a wide range of solid tumors, significantly outperforming h6M24-vc0101. PTK7 was shown to be an actionable target in small cell lung cancer for which MTX-13 showed complete and durable responses. With a consistent overexpression of PTK7 in squamous cell carcinomas derived from diverse anatomic sites, strong potency of MTX-13 in this group of heterogenous tumors suggested a common treatment strategy. Finally, MTX-13 inhibited tumor growth and metastasis in an orthotopic colon cancer xenograft model. MTX-13 displayed a favorable pharmacokinetic and safety profile in monkeys with the highest non-severely toxic dose (HNSTD) of ≥30 mg/kg, significantly higher than 3-5 mg/kg of HNSTD for h6M24-vc0101. The higher therapeutic index of MTX-13 bodes well for its clinical translation with the potential to expand the responding patient population beyond that of current PTK7-targeting ADCs.
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Affiliation(s)
- Chao Kong
- Multitude Therapeutics, Xuhui District, Shanghai, China
| | - Junyi Pu
- School of Life Sciences, Northwest University, Xi'an, Shaanxi, China
| | - Qianqian Zhao
- Multitude Therapeutics, Xuhui District, Shanghai, China
| | - Weining Weng
- Multitude Therapeutics, Xuhui District, Shanghai, China
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China
| | - Linjie Ma
- Multitude Therapeutics, Xuhui District, Shanghai, China
| | - Yu Qian
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China
| | - Wenhao Hu
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China
| | - Xun Meng
- Multitude Therapeutics, Xuhui District, Shanghai, China
| | - Tao Meng
- MabCare Therapeutics, Shanghai, China
- HySlink Therapeutics, Shanghai, China
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Weng W, Meng T, Pu J, Ma L, Shen Y, Wang Z, Pan R, Wang M, Chen C, Wang L, Zhang J, Zhou B, Shao S, Qian Y, Liu S, Hu W, Meng X. AMT-562, a Novel HER3-targeting Antibody-Drug Conjugate, Demonstrates a Potential to Broaden Therapeutic Opportunities for HER3-expressing Tumors. Mol Cancer Ther 2023; 22:1013-1027. [PMID: 37302522 PMCID: PMC10477830 DOI: 10.1158/1535-7163.mct-23-0198] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 05/06/2023] [Accepted: 06/06/2023] [Indexed: 06/13/2023]
Abstract
HER3 is a unique member of the EGFR family of tyrosine kinases, which is broadly expressed in several cancers, including breast, lung, pancreatic, colorectal, gastric, prostate, and bladder cancers and is often associated with poor patient outcomes and therapeutic resistance. U3-1402/Patritumab-GGFG-DXd is the first successful HER3-targeting antibody-drug conjugate (ADC) with clinical efficacy in non-small cell lung cancer. However, over 60% of patients are nonresponsive to U3-1402 due to low target expression levels and responses tend to be in patients with higher target expression levels. U3-1402 is also ineffective in more challenging tumor types such as colorectal cancer. AMT-562 was generated by a novel anti-HER3 antibody Ab562 and a modified self-immolative PABC spacer (T800) to conjugate exatecan. Exatecan showed higher cytotoxic potency than its derivative DXd. Ab562 was selected because of its moderate affinity for minimizing potential toxicity and improving tumor penetration purposes. Both alone or in combination therapies, AMT-562 showed potent and durable antitumor response in low HER3 expression xenograft and heterogeneous patient-derived xenograft/organoid models, including digestive system and lung tumors representing of unmet needs. Combination therapies pairing AMT-562 with therapeutic antibodies, inhibitors of CHEK1, KRAS, and tyrosine kinase inhibitor showed higher synergistic efficacy than Patritumab-GGFG-DXd. Pharmacokinetic and safety profiles of AMT-562 were favorable and the highest dose lacking severe toxicity was 30 mg/kg in cynomolgus monkeys. AMT-562 has potential to be a superior HER3-targeting ADC with a higher therapeutic window that can overcome resistance to generate higher percentage and more durable responses in U3-1402-insensitive tumors.
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Affiliation(s)
- Weining Weng
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, P.R. China
- Multitude Therapeutics, Shanghai, P.R. China
| | - Tao Meng
- MabCare Therapeutics, Shanghai, P.R. China
- HySlink Therapeutics, Shanghai, P.R. China
| | - Junyi Pu
- School of Life Sciences, Northwest University, Xi'an, Shaanxi, P.R. China
| | - Linjie Ma
- Multitude Therapeutics, Shanghai, P.R. China
| | - Yi Shen
- Multitude Therapeutics, Shanghai, P.R. China
| | | | - Rong Pan
- Abmart Inc, Shanghai, P.R. China
| | | | - Caiwei Chen
- Multitude Therapeutics, Shanghai, P.R. China
| | - Lijun Wang
- Multitude Therapeutics, Shanghai, P.R. China
| | | | - Biao Zhou
- Multitude Therapeutics, Shanghai, P.R. China
| | - Siyuan Shao
- Shanghai OneTar Biomedicine, Shanghai, P.R. China
| | - Yu Qian
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, P.R. China
| | - Shuhui Liu
- Multitude Therapeutics, Shanghai, P.R. China
| | - Wenhao Hu
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, P.R. China
| | - Xun Meng
- Multitude Therapeutics, Shanghai, P.R. China
- Abmart Inc, Shanghai, P.R. China
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Weng W, Meng T, Zhao Q, Shen Y, Fu G, Shi J, Zhang Y, Wang Z, Wang M, Pan R, Ma L, Chen C, Wang L, Zhou B, Zhang H, Pu J, Zhang J, Hu YP, Hua G, Qian Y, Liu SH, Hu W, Meng X. Antibody-exatecan conjugates with a novel self-immolative moiety overcome resistance in colon and lung cancer. Cancer Discov 2023; 13:950-973. [PMID: 36693125 DOI: 10.1158/2159-8290.cd-22-1368] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Revised: 01/19/2023] [Accepted: 01/20/2023] [Indexed: 01/25/2023]
Abstract
Antibody-drug conjugates (ADCs) using DNA Topoisomerase I inhibitor DXd/SN-38 have transformed cancer treatment, yet more effective ADCs are needed for overcoming resistance. We have designed an ADC class using a novel self-immolative T moiety for traceless conjugation and release of exatecan, a more potent Topoisomerase I inhibitor with less sensitivity to multidrug (MDR) resistance. Characterized by enhanced therapeutic indices, higher stability and improved intra-tumoral pharmacodynamic response, antibody-T moiety-exatecan conjugates targeting HER2, HER3, TROP2 overcome intrinsic or treatment-resistance of equivalent DXd/SN-38 ADCs in low-target expression, large-size and MDR+ tumors. T moiety-exatecan ADCs display durable antitumor activity in PDX and organoid models representative of unmet clinical needs including EGFR-del19/T790M/C797S triple mutation lung cancer and BRAF/KRAS-TP53 double-mutant colon cancer, and show synergy with PARP/ATR inhibitor and anti-PD-1 treatment. High tolerability of T moiety-exatecan ADC class in non-human primate supports its potential to expand responding patient population and tumor types beyond current ADCs.
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Affiliation(s)
| | - Tao Meng
- HySlink Therapeutics, Shanghai, Shanghai, China
| | | | - Yi Shen
- Multitude Therapeutics, Shanghai, China
| | - Guoxiang Fu
- Research and Early Development, D1Med Technology (Shanghai) Inc, Shanghai, China
| | - Jing Shi
- Multitude Therapeutics & Abmart Inc, Shanghai, China
| | - Yue Zhang
- Multitude Therapeutics & Abmart Inc, Shanghai, China
| | | | | | | | - Linjie Ma
- Multitude Therapeutics, Shanghai, China
| | | | | | - Biao Zhou
- Multitude Therapeutics & Abmart Inc, Shanghai, China
| | - Hui Zhang
- HySlink Therapeutics, Shanghai, Shanghai, China
| | - Junyi Pu
- School of Life Sciences, Northwest University, Xi'an, Shaanxi, China
| | | | | | | | - Yu Qian
- Sun Yat-sen University, China
| | - Shu-Hui Liu
- Multitude Therapeutics, Redwood City, CA, United States
| | - Wenhao Hu
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China
| | - Xun Meng
- Multitude Therapeutics, Shanghai, China
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Shi J, Tong R, Zhou M, Gao Y, Zhao Y, Chen Y, Liu W, Li G, Lu D, Meng G, Hu L, Yuan A, Lu X, Pu J. Circadian nuclear receptor Rev-erbalpha is expressed by platelets and potentiates platelet activation and thrombus formation. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.3035] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Adverse cardiovascular events have day/night patterns with peaks in the morning, potentially related to endogenous circadian clock control of platelet activation. Circadian nuclear receptor Rev-erbα is an essential and negative component of the circadian clock.
Purpose
We aim to investigate the expression profile and biological function of Rev-erbα in platelets.
Methods and results
Here we report the presence and functions of circadian nuclear receptor Rev-erbα in human and mouse platelets. Both human and mouse platelet Rev-erbα showed a circadian rhythm that positively correlated with platelet aggregation. Global Rev-erbα knockout and platelet-specific Rev-erbα knockout mice exhibited defective in hemostasis as assessed by prolonged tail-bleeding times. Rev-erbα deletion also reduced ferric chloride-induced carotid arterial occlusive thrombosis, prevented collagen/epinephrine-induced pulmonary thromboembolism, and protected against microvascular microthrombi obstruction and infarct expansion in an acute myocardial infarction model. In vitro thrombus formation assessed by CD41-labeled platelet fluorescence intensity was significantly reduced in Rev-erbα knockout mouse blood. Platelets from Rev-erbα knockout mice exhibited impaired agonist-induced aggregation responses, integrin αIIbβ3 activation and α-granule release. Consistently, pharmacological inhibition of Rev-erbα by specific antagonists decreased platelet activation markers in both mouse and human platelets. Mechanistically, mass spectrometry and co-immunoprecipitation analyses revealed that Rev-erbα potentiated platelet activation via oligophrenin-1-mediated RhoA/ERM (ezrin/radixin/moesin) pathway.
Conclusion
We provide the first evidence that circadian protein Rev-erbα is functionally expressed in platelets and potentiates platelet activation and thrombus formation. Rev-erbα may serve as a novel therapeutic target for managing thrombosis-based cardiovascular disease.
Funding Acknowledgement
Type of funding sources: Foundation. Main funding source(s): This work was supported by grants from the National Science Fund for Distinguished Young Scholars (81625002), the National Natural Science Foundation of China (81930007).
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Affiliation(s)
- J Shi
- Renji Hospital of Shanghai Jiao Tong University School of Medicine , Shanghai , China
| | - R Tong
- Renji Hospital of Shanghai Jiao Tong University School of Medicine , Shanghai , China
| | - M Zhou
- Renji Hospital of Shanghai Jiao Tong University School of Medicine , Shanghai , China
| | - Y Gao
- Renji Hospital of Shanghai Jiao Tong University School of Medicine , Shanghai , China
| | - Y Zhao
- Renji Hospital of Shanghai Jiao Tong University School of Medicine , Shanghai , China
| | - Y Chen
- Renji Hospital of Shanghai Jiao Tong University School of Medicine , Shanghai , China
| | - W Liu
- Renji Hospital of Shanghai Jiao Tong University School of Medicine , Shanghai , China
| | - G Li
- Renji Hospital of Shanghai Jiao Tong University School of Medicine , Shanghai , China
| | - D Lu
- Shanghai University of Traditional Medicine , Shanghai , China
| | - G Meng
- Shanghai University of Traditional Medicine , Shanghai , China
| | - L Hu
- Renji Hospital of Shanghai Jiao Tong University School of Medicine , Shanghai , China
| | - A Yuan
- Renji Hospital of Shanghai Jiao Tong University School of Medicine , Shanghai , China
| | - X Lu
- Renji Hospital of Shanghai Jiao Tong University School of Medicine , Shanghai , China
| | - J Pu
- Renji Hospital of Shanghai Jiao Tong University School of Medicine , Shanghai , China
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Powles T, Sridhar S, Bellmunt J, Sternberg C, Grivas P, Hunter E, Dezfouli M, Salter M, Powell R, Dring A, Green J, Akoulitchev A, Amezquita R, Ching K, Pu J, Deng S, di Pietro A, Davis C. LBA74 Genomic biomarkers in peripheral blood (PB) from patients (pts) enrolled in the JAVELIN Bladder 100 trial of avelumab first-line (1L) maintenance in advanced urothelial carcinoma (aUC). Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.08.080] [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: 11/01/2022] Open
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Kopetz S, Murphy D, Pu J, Yaeger R, Ciardiello F, Desai J, Van Cutsem E, Wasan H, Yoshino T, Alkuzweny B, Xie T, Zhang X, Tabernero J. 316O Genomic mechanisms of acquired resistance of patients (pts) with BRAF V600E-mutant (mt) metastatic colorectal cancer (mCRC) treated in the BEACON study. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.454] [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: 11/16/2022] Open
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9
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Pu J, Yu H, Guo Y. A Novel Strategy to Identify Prognosis-Relevant Gene Sets in Cancers. Genes (Basel) 2022; 13:862. [PMID: 35627247 PMCID: PMC9141699 DOI: 10.3390/genes13050862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 05/06/2022] [Accepted: 05/09/2022] [Indexed: 11/16/2022] Open
Abstract
Molecular prognosis markers hold promise for improved prediction of patient survival, and a pathway or gene set may add mechanistic interpretation to their prognostic prediction power. In this study, we demonstrated a novel strategy to identify prognosis-relevant gene sets in cancers. Our study consists of a first round of gene-level analyses and a second round of gene-set-level analyses, in which the Composite Gene Expression Score critically summarizes a surrogate expression value at gene set level and a permutation procedure is exerted to assess prognostic significance of gene sets. An optional differential coexpression module is appended to the two phases of survival analyses to corroborate and refine prognostic gene sets. Our strategy was demonstrated in 33 cancer types across 32,234 gene sets. We found oncogenic gene sets accounted for an increased proportion among the final gene sets, and genes involved in DNA replication and DNA repair have ubiquitous prognositic value for multiple cancer types. In summary, we carried out the largest gene set based prognosis study to date. Compared to previous similar studies, our approach offered multiple improvements in design and methodology implementation. Functionally relevant gene sets of ubiquitous prognostic significance in multiple cancer types were identified.
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Affiliation(s)
- Junyi Pu
- School of Life Sciences, Northwest University, Xi’an 710069, China;
| | - Hui Yu
- Comprehensive Cancer Center, New Mexico University, Albuquerque, NM 87131, USA;
| | - Yan Guo
- Comprehensive Cancer Center, New Mexico University, Albuquerque, NM 87131, USA;
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Pu J, Ai T, Weng W, Wang L, Yang Y, Ma L, Hu Z, Meng X. TJP1, a Membrane-Expressed Protein, is a Potential Therapeutic and Prognostic Target for Lung Cancer. Technol Cancer Res Treat 2022; 21:15330338221106855. [PMID: 35767221 PMCID: PMC9273941 DOI: 10.1177/15330338221106855] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Objective: Lung cancer is a malignant tumor with the highest mortality rate in the world. It is necessary to develop effective biomarkers for diagnosis or prognostic treatment to improve the survival rate of patients. In this prospective study, we identified a membrane-expressed protein Tight Junction Protein 1 (TJP1), which is an ideal therapeutic target for lung cancer, and demonstrated its role in invasion, migration, and proliferation of lung cancer. Methods: High-throughput monoclonal antibody microarrays were used to screen for differential expression of monoclonal antibodies (mAbs) in lung cancer and normal lung tissue. Differentially expressed antibodies were used to immunoprecipitate their cellular targets to be identified by mass spectrometry. The identified target TJP1 was knocked down to observe the effect of reduced gene expression on lung cancer cell function. Immunohistochemistry on human tumor tissues and The Cancer Genome Atlas (TCGA) database was used to explore the relationship between TJP1 expression in multiple cancer types and patient prognosis. Results: The antibody CL007473 was overexpressed in tumor tissue and its target protein was identified by mass spectrometry and immunofluorescence as TJP1, a membrane-expressed protein. Knockdown of TJP1 in lung cancer cell lines showed that reduced expression of TJP1 could inhibit the invasion and migration of lung cancer cells and inhibit the proliferation of cancer cells, suggesting that membrane-expressed protein TJP1 may be used as a therapeutic target for lung cancer. TCGA database analysis showed that TJP1 was highly expressed in pancreatic cancer (PAAD) tissues compared with normal tissues, and low expression was more beneficial to the prognosis and survival of PAAD patients. Conclusion: Membrane-expressed protein TJP1 may be a good therapeutic and prognostic target for lung cancer and has the potential to be a prognostic biomarker in pancreatic cancer.
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Affiliation(s)
- Junyi Pu
- School of Life Sciences, 12657Northwest University, Xi'an, China
| | - Tao Ai
- School of Life Sciences, 12657Northwest University, Xi'an, China
| | | | | | - Yuan Yang
- School of Life Sciences, 12657Northwest University, Xi'an, China
| | | | | | - Xun Meng
- School of Life Sciences, 12657Northwest University, Xi'an, China.,Abmart, Shanghai, China
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Pu J, Yan F, Yang Y, Xiu J, Shan P. Circadian disruption on the susceptibility to sepsis-induced cardiac dysfunction: a prospective multi-modal imaging study. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.0279] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Sepsis is a significant cause of mortality, and cardiac dysfunction is one of the vital predictors for mortality of sepsis. However, the factors associated with the susceptibility to sepsis-induced cardiac dysfunction remain unclear. Disruption of circadian rhythms can profoundly influence cardiac health; however, to the knowledge of the authors, the relationship of circadian disruption to cardiac involvement in patients with sepsis is unknown.
Purpose
We aim to investigate the impact of circadian disruption on the susceptibility to sepsis-induced cardiac dysfunction.
Methods
Study patient data were obtained from the image database of EARLY-MYO-SEPSIS (EARLY assessment of MYOcardial tissue characteristics by multi-modal imaging in SEPSIS) registry, which was a prospective, multi-center registry of sepsis patients who have undergone cardiac magnetic resonance imaging (MRI) and echocardiography from 8 sites (clinical trial number NCT04513795). Cardiac involvement was evaluated using a comprehensive assessment comprising of echocardiography (with global longitudinal strain calculation), cardiac MRI and cardiac biomarker evaluation. Logistic regression was performed to identify independent predictors of left ventricular systolic dysfunction in sepsis.
Results
A total of 216 intensive care unit patients with sepsis was enrolled in the present analysis. Septic patients with a history of circadian disruption (i.e., sleep insufficiency <6 hours) presented more cardiac involvements (as indicated by edema on the cardiac MRI along with cardiac deformation and increased cardiac biomarkers) compared with those without circadian disruption history. Moreover, septic patients with a history of circadian disruption had increased mortality and incidence of heart failure. A history of circadian disruption was identified as an independent predictor of left ventricular systolic dysfunction in sepsis.
Conclusions
Our data from EARLY-MYO-SEPSIS registry demonstrated a previously unappreciated circadian sensitivity to sepsis-induced cardiac dysfunction.
Funding Acknowledgement
Type of funding sources: Public grant(s) – National budget only. Main funding source(s): This work was supported by grants from the National Science Fund for Distinguished Young Scholars (81625002) and National Natural Science Foundation of China (81930007)
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Affiliation(s)
- J Pu
- Renji Hospital of Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - F Yan
- Rui Jin Hospital- Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Y Yang
- The First Affiliated Hospital, Xinjiang Medical University, Wulumuqi, China
| | - J Xiu
- Nanfang Hospital affiliated Hospital of Southern Medical University, Guangzhou, China
| | - P Shan
- The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
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Pu J, Su Y. Computer-assisted jaw reconstruction: The intraoperative changes and management strategies. Int J Oral Maxillofac Surg 2021. [DOI: 10.1016/j.ijom.2022.03.025] [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: 11/16/2022]
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13
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Pu J. Topic: AS04-MDS Biology and Pathogenesis/AS04d-Somatic mutations. Leuk Res 2021. [DOI: 10.1016/j.leukres.2021.106680.17] [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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14
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Pu J, Zhou MJ, Shao JW, Xiang ST, He Q, Su W, He SZ, Mao CW, Ruan RG, Song BL. High resolution computerized tomography quantitative evaluation of the correlation between central airway and pulmonary function grading in chronic obstructive pulmonary disease. J BIOL REG HOMEOS AG 2021; 35:1067-1072. [PMID: 34002597 DOI: 10.23812/20-491-l] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- J Pu
- Department of Radiology, The Second People's Hospital of Yunnan Province, & the Fourth Affiliated Hospital, Kunming Medical University, Kunming, China
| | - M J Zhou
- Department of Radiology, The Second People's Hospital of Yunnan Province, & the Fourth Affiliated Hospital, Kunming Medical University, Kunming, China
| | - J W Shao
- Department of Radiology, The Second People's Hospital of Yunnan Province, & the Fourth Affiliated Hospital, Kunming Medical University, Kunming, China
| | - S T Xiang
- Department of Radiology, The Second People's Hospital of Yunnan Province, & the Fourth Affiliated Hospital, Kunming Medical University, Kunming, China
| | - Q He
- Department of Radiology, The Second People's Hospital of Yunnan Province, & the Fourth Affiliated Hospital, Kunming Medical University, Kunming, China
| | - W Su
- Department of Radiology, The Second People's Hospital of Yunnan Province, & the Fourth Affiliated Hospital, Kunming Medical University, Kunming, China
| | - S Z He
- Department of Radiology, The Second People's Hospital of Yunnan Province, & the Fourth Affiliated Hospital, Kunming Medical University, Kunming, China
| | - C W Mao
- Department of Radiology, The Second People's Hospital of Yunnan Province, & the Fourth Affiliated Hospital, Kunming Medical University, Kunming, China
| | - R G Ruan
- Department of Radiology, The Second People's Hospital of Yunnan Province, & the Fourth Affiliated Hospital, Kunming Medical University, Kunming, China
| | - B L Song
- Department of Radiology, The Second People's Hospital of Yunnan Province, & the Fourth Affiliated Hospital, Kunming Medical University, Kunming, China
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15
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Wang W, Pan Y, He Z, Chen H, Liu Y, Yu R, Pu J. P-44 Expression and clinical significance of B cell translocation gene 2 in esophageal squamous cell carcinoma. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.05.099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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16
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Pan Y, Wang W, Chen H, Yu R, Pu J, Liu Y. P-46 Integrated transcriptomics and the exploration of cancer-promoting genes CDKN3 in esophageal squamous cell cancer. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.05.101] [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: 11/16/2022] Open
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17
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He D, Pu J, Liu WX, Zhang Y, Sun LL, Song X. [Perinatal outcomes on mortality and influencing factors among HIV-infected mothers in Sichuan province]. Zhonghua Liu Xing Bing Xue Za Zhi 2021; 41:1686-1691. [PMID: 33297627 DOI: 10.3760/cma.j.cn112338-20191225-00914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To explore the influencing factors on perinatal mortality of pregnant women with HIV infection to reduce the mother-to-child transmission in Sichuan province. Methods: In this study, 4 786 perinatal infants of the HIV-infected pregnant women were included. Related data on perinatal epidemiology was reported by all the 183 medical and health care institutions where the HIV prevention of mother-to-child transmission program was initiated in 2005-2016. Univariate χ(2) test and multivariate logistic regression methods were used to analyze the perinatal mortality outcomes and influencing factors. Results: The overall perinatal mortality rate was 25.7‰ (123/4 786) among HIV-infected pregnant women, with annual downwarding trend (trend χ(2)=32.220, P=0.000). Perinatal mortality rate appeared the highest (χ(2)=4.130, P=0.042), with more fetal deaths and stillbirths and less early neonatal death within 7 days in Liangshan county (χ(2)=29.626, P=0.000). Results from the multivariate logistic regression analysis showed that fewer pregnant numbers would contribute to the, lower perinatal mortality rate (1-2 pregnancies OR=0.417, 95%CI: 0.184-0.943; 3-4 pregnancies OR=0.447, 95%CI: 0.223-0.895). Perinatal deaths were more likely to be prevented if LPV/r protease inhibitor-based triple antiviral therapy was provided (OR=0.530, 95%CI: 0.285- 0.986) or delivery was taken place in the hospital (hospital of municipal-level and above OR=0.222, 95%CI:0.098-0.499; county-level hospital OR=0.282, 95%CI: 0.166-0.480; township-level hospital OR=0.134, 95%CI: 0.031-0.586) among HIV-infected pregnant women. However, premature delivery or neonatal asphyxia would increase the risk of perinatal mortality (premature delivery OR=8.285, 95%CI: 5.073-13.533; neonatal asphyxia OR=9.624, 95%CI: 4.625-20.028). Conclusions: The perinatal mortality rate of HIV-infected pregnant women appeared significantly higher than that in the province or the whole country. Strategies involving LPV/r-based triple antiviral therapy, promotion of hospital delivery, reducing the incidence rates of premature deliveries and neonatal asphyxia, should be strengthened.
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Affiliation(s)
- D He
- Sichuan Provincial Hospital for Women and Children, Chengdu 610045, China
| | - J Pu
- West China Second University Hospital, Sichuan University, Chengdu 610041, China
| | - W X Liu
- Sichuan Provincial Hospital for Women and Children, Chengdu 610045, China
| | - Y Zhang
- Sichuan Provincial Hospital for Women and Children, Chengdu 610045, China
| | - L L Sun
- Sichuan Provincial Hospital for Women and Children, Chengdu 610045, China
| | - X Song
- Sichuan Provincial Hospital for Women and Children, Chengdu 610045, China
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Abstract
Paclitaxel (PTX), a tubulin-binding agent, is widely used and has shown good efficacy in the initial period of treatment for non-small cell lung cancer (NSCLC). However, the relatively rapid acquisition of resistance to PTX treatments that is observed in virtually all cases significantly limits its utility and remains a substantial challenge to the clinical management of NSCLC. The aim of this study was to identify candidate genes and mechanisms that might mediate acquired paclitaxel resistance. In this work, we established paclitaxel-resistant cells (A549-T) from parental cell lines by step-dose selection in vitro. Using methylation chip analysis and transcriptome sequencing, 43,426 differentially methylated genes and 2,870 differentially expressed genes are identified. Six genes (KANK1, ALDH3A1, GALNT14, PIK3R3, LRG1, WEE2), which may be related to paclitaxel resistance in lung adenocarcinoma, were identified. Among these genes, KANK1 exhibited significant differences in methylation and expression between cell lines. Since KANK1 plays an important role in the development of renal cancer and gastric cancer, we hypothesised that it may also play a role in acquired resistance in lung adenocarcinoma. Transient transfection of SiKANK1 significantly reduced the expression of KANK1, reducing apoptosis, increasing cell migration, and enhancing the tolerance of A549 cells to paclitaxel. KANK1 acts as a tumour suppressor gene, mediating the resistance of lung adenocarcinoma A549 to paclitaxel. The reduction of KANK1 expression can increase the paclitaxel resistance of non-small cell lung cancer and increase the difficulty of clinical treatment.
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Affiliation(s)
- Junyi Pu
- School of Life Sciences, Northwest University, Xi'an, China.,Department of Cardiovascular Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Jianfeng Shen
- School of Life Sciences, Northwest University, Xi'an, China
| | - Zihua Zhong
- School of Life Sciences, Northwest University, Xi'an, China
| | - Ma Yanling
- School of Life Sciences, Northwest University, Xi'an, China
| | - Jie Gao
- Department of Cardiovascular Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
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19
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Lu MY, Pu J, Zhang MJ, Liu ZM. [HIV positive rate from different detection methods in medical institutions in China: a Meta analysis]. Zhonghua Yu Fang Yi Xue Za Zhi 2020; 54:1289-1294. [PMID: 33147931 DOI: 10.3760/cma.j.cn112150-20200718-01025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To analyze the HIV positive detection rate from different detection channels in Chinese medical institutions. Methods: A Meta-analysis was conducted. First of all, the literature on HIV testing of medical institutions in China was systematically searched on China National Knowledge Infrastructure, Wanfang Data Knowledge Service Platform, VIP Information Chinese journal Service platform and PubMed. Secondly, a self-made information table was used to collect the basic information, HIV positive number and test number of the literature. Finally, R 4.0.2 software was used to calculate the pooled HIV detection rate and 95%CI of the whole population, detection approaches subgroups and regions subgroups, and then the forest map was drawn. Funnel plot was used to analyze publication bias. Results: A total of 45 studies which covered 22 provinces. Meta analysis showed that the pooled HIV positive rate was 0.82‰ (95%CI: 0.62‰-1.04‰). Subgroup analysis showed that the HIV positive rate of STD outpatient was the highest (3.01‰ (95%CI: 1.76‰-4.58‰), followed by other patients (1.43‰ (95%CI: 1.00‰-1.93‰)). The HIV positive rate of western China was the highest (1.14‰ (95%CI: 0.72‰-1.63‰)). The HIV positive rate in 2008-2017 was higher than in 2000-2007. The Egger test indicated no publication bias (t=-0.737, P=0.465). Conclusion: The HIV positive detection rate of patients in medical institutions in China was at a low level, but the positive rate of patients in STD clinics was relatively high. Therefore, the HIV testing should be further expanded in this population. Secondly, HIV screening should be strengthened for other patients.
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Affiliation(s)
- M Y Lu
- The Third Affiliated Hospital of Kunming Medical University, Physical Examination Center, Kunming 650000, China
| | - J Pu
- The Third Affiliated Hospital of Kunming Medical University, Scientific Research Dept., Kunming 650000, China
| | - M J Zhang
- The Third Affiliated Hospital of Kunming Medical University, Medical Administration Dept., Kunming 650000, China
| | - Z M Liu
- The Third Affiliated Hospital of Kunming Medical University, Party Committee Office, Kunming 650000, China
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Pu J, Wu W, Ke Y, Ma X, Huang L. Comparison of trans-catheter closure of paravalvular leak versus surgical approach-outcomes and cost analysis. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.1920] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
The outcomes and costs of trans-catheter closure (TC) of paravalvular leak (PVL) compared with surgical closure (SC) are rarely described.
Purpose
The aim of the study was to assess the outcomes and hospital costs of patients who underwent TC or SC of PVL in our center.
Methods
Patients who underwent TC and SC of PVL between Jan. 2016 and Dec. 2019 were enrolled. Baseline characteristics, procedural, in-hospital and mid-term outcomes and hospital costs were compared.
Results
A total of 141 patients were studied (TC, n=65 and SC, n=76). The patients were elder in TC group (56.8±12.8 years vs. 50.1±12.8 years, p=0.002). Technical success was higher in SC group (83.1% vs. 98.7%, p<0.001). Procedure room time (93±38 min vs. 395±132 min, p<0.001), intensive care unit time (0 h vs. 25 h, p<0.001), length of stay from hospitalization to discharge (7 days vs. 21 days, p<0.001) and costs (¥45090±19343 vs. ¥164165±94300, p<0.001) were significantly less in TC group. After risk adjustment, there was no significant differences between in 30 days survival between TC group and SC group. However, the residual PVLs were less in SC group (43.1% vs. 12.0%, p=0.012). At a median follow-up of 21 months, there was a trend towards reduce all-cause death following TC versus SC (OR=0.054, 95% CI: 0.070 to 0.445, p=0.007).
Conclusions
SC for PVL is associated with higher technical rates and less residual shunt. But, the shorter length of stay and lower resources use with TC group significantly reduce hospital costs. In addition, TC achieve a better mid-term results in survival.
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
- J Pu
- Beijing Anzhen Hospital, Interventional Department, Beijing, China
| | - W.H Wu
- Beijing Anzhen Hospital, Interventional Department, Beijing, China
| | - Y.T Ke
- Beijing Anzhen Hospital, Echocardiography, Beijing, China
| | - X.H Ma
- Beijing Anzhen Hospital, Interventional Department, Beijing, China
| | - L.J Huang
- Beijing Anzhen Hospital, Interventional Department, Beijing, China
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Li ZL, He S, Xia CC, Peng WL, Li L, Liu KL, Zhang JG, Pu J, Guo YK. Global longitudinal diastolic strain rate as a novel marker for predicting adverse outcomes in hypertrophic cardiomyopathy by cardiac magnetic resonance tissue tracking. Clin Radiol 2020; 76:78.e19-78.e25. [PMID: 32948315 DOI: 10.1016/j.crad.2020.08.019] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Accepted: 08/19/2020] [Indexed: 02/08/2023]
Abstract
AIM To examine the prognostic value of global peak diastolic strain rate (PDSR) derived from cardiac magnetic resonance (CMR) tissue tracking (CMR-TT) in predicting adverse outcomes in hypertrophic cardiomyopathy (HCM) patients. MATERIALS AND METHODS A total of 98 patients diagnosed with HCM (44 patients had left ventricle [LV] outflow tract obstruction [LVOTO] and 54 patients did not) were enrolled and followed for the specified endpoint. LV global myocardial mechanics was assessed in all participants using CMR-TT at study entry. RESULTS Compared with the non-obstructive subgroup, the obstructive subgroup demonstrated deteriorated magnitude of LV global radial, circumferential, and longitudinal PDSR (all p<0.05). After a mean follow-up period of 4.5 years, 24 patients reached an endpoint before the end of the study. Furthermore, when using the specified cut-off value (0.33 1/s) of longitudinal PDSR, the Kaplan-Meier curve demonstrated that patients with lower longitudinal PDSR had a significantly lower freedom from major adverse cardiovascular events (MACE) compared with their counterparts in the non-obstructive, obstructive, and overall cohorts (all log-rank p<0.05). Multivariable analysis showed that longitudinal PDSR remained the strongest predictor of outcome after adjusting for baseline and CMR variables (hazard ratio, 2.65; 95% confidence interval, 2.21-11.44; p<0.05). CONCLUSION CMR-TT-derived longitudinal PDSR is probably considered a novel and easy-to-perform marker for predicting adverse outcomes in HCM patients, which is beneficial to risk stratification. Further confirmatory studies are needed.
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Affiliation(s)
- Z-L Li
- Department of Radiology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - S He
- Department of Cardiology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - C-C Xia
- Department of Radiology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - W-L Peng
- Department of Radiology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - L Li
- Department of Radiology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - K-L Liu
- Department of Radiology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - J-G Zhang
- Department of Radiology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - J Pu
- Department of Radiology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Y-K Guo
- Department of Radiology, Key Laboratory of Obstetric & Gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China.
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Powles T, Loriot Y, Bellmunt J, Sternberg C, Sridhar S, Petrylak D, Tambaro R, Dourthe L, Alvarez-Fernandez C, Aarts M, Mu X, Ching K, Pu J, Roychoudhury S, Davis C, di Pietro A, Grivas P. 699O Avelumab first-line (1L) maintenance + best supportive care (BSC) vs BSC alone for advanced urothelial carcinoma (UC): Association between clinical outcomes and exploratory biomarkers. Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.08.771] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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23
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Peterson G, Kranker K, Pu J, Magid D, Blue L, McCall N, Markovitz A, Concannon T, Stewart K, Markovich P. Impacts of the Million Hearts® Cardiovascular Disease Risk Reduction Model on Medications, Heart Attacks and Strokes, and Medicare Spending after Two Years: A Cluster‐Randomized Trial. Health Serv Res 2020. [DOI: 10.1111/1475-6773.13469] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Affiliation(s)
| | - K. Kranker
- Mathematica Policy Research Princeton NJ United States
| | - J. Pu
- Mathematica Oakland CA United States
| | - D. Magid
- Kaiser Permanente Colorado Denver CO United States
| | - L. Blue
- Mathematica Washington DC United States
| | - N. McCall
- Mathematica Washington DC United States
| | | | | | | | - P. Markovich
- CMS Innovation Center Silver Spring MD United States
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24
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Xu YJ, Zhu WG, Liao ZX, Kong Y, Wang WW, Li JC, Huang R, He H, Yang XM, Liu LP, Sun ZW, He HJ, Bao Y, Zeng M, Pu J, Hu WY, Ma J, Jiang H, Liu ZG, Zhuang TT, Tan BX, Du XH, Qiu GQ, Zhou X, Ji YL, Hu X, Wang J, Ma HL, Zheng X, Huang J, Liu AW, Liang XD, Tao H, Zhou JY, Liu Y, Chen M. [A multicenter randomized prospective study of concurrent chemoradiation with 60 Gy versus 50 Gy for inoperable esophageal squamous cell carcinoma]. Zhonghua Yi Xue Za Zhi 2020; 100:1783-1788. [PMID: 32536123 DOI: 10.3760/cma.j.cn112137-20200303-00574] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Objective: To determine whether 60 Gy is superior to standard 50 Gy for definitive concurrent chemoradiation(CCRT) in esophageal squamous cell carcinoma (ESCC) using modern radiation technology in a phase Ⅲ prospective randomized trial. Methods: From April 2013 to May 2017, 331 patients from 22 hospitals who were pathologically confirmed with stage ⅢA-ⅣA ESCC were randomized to 60 Gy or 50 Gy with random number table. Total of 305 patients were analyzed, including 152 in 60 Gy group and 153 in 50 Gy group. The median age was 63 years, 242(79.3%) males and 63(20.7%) females. The median length of primary tumor was 5.6 cm. The clinical characteristics between two groups were comparable. All patients were delivered 2 Gy per fraction, 5 fractions per week. Concurrent weekly chemotherapy with docetaxel (25 mg/m(2)) and cisplatin (25 mg/m(2)) and 2 cycles consolidation chemotherapy with docetaxel (70 mg/m(2)) and cisplatin (25 mg/m(2), d1-3) were administrated. The primary endpoint was local/regional progression-free survival (LRPFS). The data were compared with Pearson chi-square test or Fisher's exact test. Results: At a median follow-up of 27.3 months, the disease progression rate was 37.5% (57/152), 43.8% (67/153) in the high and standard-dose group, respectively (χ(2)=1.251, P=0.263). The 1, 2, 3-year LRPFS rate was 75.4%, 56.8%, 52.1% and 74.2%, 58.4%, 50.1%, respectively (HR: 0.95, 95%CI: 0.69-1.31, P=0.761). The 1, 2, 3-year overall survival rate was 84.1%, 64.8%, 54.1% and 85.4%, 62.9%, 54.0%, respectively (HR: 0.98, 95%CI: 0.71-1.38, P=0.927). The 1, 2, 3-year progression-free survival rate was 70.8%, 54.2%, 48.5% and 65.5%, 51.9%, 45.1%, respectively (HR: 0.93, 95%CI: 0.68-1.26, P=0.621). The incidence rates in toxicities between the two groups were similar except for higher rate of severe pneumonitis in high dose group (χ(2)=11.596, P=0.021). Conclusions: The efficacy in disease control is similar between 60 Gy and 50 Gy using modern radiation technology concurrent with chemotherapy for ESCC. The 50 Gy should be recommended as the regular radiation dose with CCRT for ESCC.
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Affiliation(s)
- Y J Xu
- Institute of Cancer Research and Basic Medical Sciences of Chinese Academy of Sciences, the Department of Thoracic Radiation Oncology, Cancer Hospital of University of Chinese Academy of Sciences; Zhejiang Cancer Hospital, Hangzhou 310022, China
| | - W G Zhu
- the Department of Radiation Oncology, Huai'an First People's Hospital, Huai'an 223300, China
| | - Z X Liao
- the Department of Radiation Oncology, University of Taxes, M.D. Anderson Cancer Center, Houston 77030, the United States
| | - Y Kong
- Institute of Cancer Research and Basic Medical Sciences of Chinese Academy of Sciences, the Department of Thoracic Radiation Oncology, Cancer Hospital of University of Chinese Academy of Sciences; Zhejiang Cancer Hospital, Hangzhou 310022, China
| | - W W Wang
- the Department of Radiation Oncology, Huai'an First People's Hospital, Huai'an 223300, China
| | - J C Li
- the Department of Thoracic Radiation Oncology, Fujian Cancer Hospital, Fuzhou 350014, China
| | - R Huang
- the Department of Radiation Oncology, Foshan First People's Hospital, Foshan 528000, China
| | - H He
- the Department of Radiation Oncology, Foshan First People's Hospital, Foshan 528000, China
| | - X M Yang
- the Department of Medical Oncology, Jiaxing First People's Hospital, Jiaxing 314000, China
| | - L P Liu
- the Department of Oncology, Jining First People's Hospital, Jining 272011, China
| | - Z W Sun
- the Department of Oncology, Jining First People's Hospital, Jining 272011, China
| | - H J He
- the Department of Radiation Oncology, Quzhou People's Hospital, Quzhou 324000, China
| | - Y Bao
- the Department of Radiation Oncology, Affiliated Cancer Hospital, Sun Yat-Sen University, Guangzhou 510080, China(is working in the First Affiliated Hospital of Sun Yat-Sen University)
| | - M Zeng
- the Department of Radiation Oncology, Sichuan Provincial People's Hospital, Chengdu 610072, China
| | - J Pu
- the Department of Radiation Oncology, Lianshui People's Hospital, Lianshui 223400, China
| | - W Y Hu
- the Department of Radiation Oncology, Jinhua Central Hospital, Jinhua 321000, China
| | - J Ma
- the Department of Radiation Oncology, Anhui Provincial Hospital, Hefei 230001, China
| | - H Jiang
- the Department of Radiation Oncology, Affiliated Hospital of Bengbu Medical College, Bengbu 233004, China
| | - Z G Liu
- the Department of Radiation Oncology, Hunan Cancer Hospital, Changsha 410013, China(is working in the Fifth Affiliated Hospital of Sun Yat-Sen University now)
| | - T T Zhuang
- the Department of Radiation Oncology, Affiliated Cancer Hospital of Shantou University Medical College, Shantou 515031, China
| | - B X Tan
- the Department of Radiation Oncology, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China
| | - X H Du
- Institute of Cancer Research and Basic Medical Sciences of Chinese Academy of Sciences, the Department of Thoracic Radiation Oncology, Cancer Hospital of University of Chinese Academy of Sciences; Zhejiang Cancer Hospital, Hangzhou 310022, China
| | - G Q Qiu
- Institute of Cancer Research and Basic Medical Sciences of Chinese Academy of Sciences, the Department of Thoracic Radiation Oncology, Cancer Hospital of University of Chinese Academy of Sciences; Zhejiang Cancer Hospital, Hangzhou 310022, China
| | - X Zhou
- Institute of Cancer Research and Basic Medical Sciences of Chinese Academy of Sciences, the Department of Thoracic Radiation Oncology, Cancer Hospital of University of Chinese Academy of Sciences; Zhejiang Cancer Hospital, Hangzhou 310022, China
| | - Y L Ji
- Institute of Cancer Research and Basic Medical Sciences of Chinese Academy of Sciences, the Department of Thoracic Radiation Oncology, Cancer Hospital of University of Chinese Academy of Sciences; Zhejiang Cancer Hospital, Hangzhou 310022, China
| | - X Hu
- Institute of Cancer Research and Basic Medical Sciences of Chinese Academy of Sciences, the Department of Thoracic Radiation Oncology, Cancer Hospital of University of Chinese Academy of Sciences; Zhejiang Cancer Hospital, Hangzhou 310022, China
| | - J Wang
- Institute of Cancer Research and Basic Medical Sciences of Chinese Academy of Sciences, the Department of Thoracic Radiation Oncology, Cancer Hospital of University of Chinese Academy of Sciences; Zhejiang Cancer Hospital, Hangzhou 310022, China
| | - H L Ma
- Institute of Cancer Research and Basic Medical Sciences of Chinese Academy of Sciences, the Department of Thoracic Radiation Oncology, Cancer Hospital of University of Chinese Academy of Sciences; Zhejiang Cancer Hospital, Hangzhou 310022, China
| | - X Zheng
- Institute of Cancer Research and Basic Medical Sciences of Chinese Academy of Sciences, the Department of Thoracic Radiation Oncology, Cancer Hospital of University of Chinese Academy of Sciences; Zhejiang Cancer Hospital, Hangzhou 310022, China
| | - J Huang
- the Department of Radiation Oncology, Changzhou First People's Hospital, Changzhou 213003, China
| | - A W Liu
- the Department of Radiation Oncology, Second Affiliated Hospital of Nanchang University, Nanchang 330006, China
| | - X D Liang
- the Department of Radiation Oncology, Zhejiang People's Hospital, Hangzhou 310014, China
| | - H Tao
- the Department of Radiation Oncology, Jiangsu Cancer Hospital, Nanjing 210009, China
| | - J Y Zhou
- the Department of Radiation Oncology, First Affiliated Hospital of Suzhou University, Suzhou 215006, China
| | - Y Liu
- the Department of Radiation Oncology, Affiliated Cancer Hospital of Guangzhou Medical University, Guangzhou 510095, China
| | - M Chen
- Institute of Cancer Research and Basic Medical Sciences of Chinese Academy of Sciences, the Department of Thoracic Radiation Oncology, Cancer Hospital of University of Chinese Academy of Sciences; Zhejiang Cancer Hospital, Hangzhou 310022, China
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25
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Pu J, Liu XX. [Systematic perinatal management of the pregnant women and neonates during the epidemic of COVID-19]. Zhonghua Fu Chan Ke Za Zhi 2020; 55:153-156. [PMID: 32268711 DOI: 10.3760/cma.j.cn112141-20200221-00123] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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26
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Hou PF, Zhu LJ, Pan Y, Sun XC, Pu J. The relationship between regulatory T cells and radiation therapy. Cancer Radiother 2020; 24:81-84. [PMID: 32046914 DOI: 10.1016/j.canrad.2019.07.160] [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: 09/30/2018] [Revised: 07/09/2019] [Accepted: 07/10/2019] [Indexed: 11/30/2022]
Abstract
Radiation therapy (RT) is an effective treatment for cancer. Approximately, 70% of cancer patients receive RT in China. The immune-modulating effect of radiation therapy have gained considerable interest in recent years and there have been multiple reports of synergy between radiation and immunotherapy. Regulatory T cells (Tregs) are a group of T cell subsets with immunosuppressive function, which is correlated with cancer. Tregs are involved in the pathogenesis, development, treatment and prognosis of tumors by cell-cell contact, cytokines, and cell metabolism. Based on the immunological characteristics of Tregs, this article reviews the interaction between RT and immune molecules, aiming to provide new ideas for RT combined with immunotherapy.
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Affiliation(s)
- P-F Hou
- Department of Clinical Laboratory, Lianshui County People's Hospital, Lianshui, China
| | - L-J Zhu
- Department of Clinical Laboratory, Lianshui County People's Hospital, Lianshui, China
| | - Y Pan
- Department of Clinical Laboratory, Lianshui County People's Hospital, Lianshui, China
| | - X-C Sun
- Department of Radiation Oncology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - J Pu
- Department of Radiation Oncology, Lianshui County People's Hospital, Lianshui, China.
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Pu J, Wang N, Huang ZK, He XY, Yuan HB. Correlation between gene polymorphism and opioid efficacy in patients with gastric or intestinal cancer. Eur Rev Med Pharmacol Sci 2019; 23:9393-9410. [PMID: 31773688 DOI: 10.26355/eurrev_201911_19432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE To explore the correlation between gene polymorphism and opioid efficacy in patients with gastric or intestinal cancer. PATIENTS AND METHODS Fifty-nine patients who underwent laparoscopic surgery for gastric or intestinal cancer under general anesthesia were included and randomly divided into oxycodone (n=30) and sufentanil groups (n=29) by reproducible random number generation method. Single nucleotide polymorphisms (SNPs) of four alleles: μ-opioid receptor gene OPRM1 A118G, cytochrome P450 (CPY450) enzyme system: CPY3A4*1G, CYP3A5*3, and CYP2D6*10 were detected by PCR-pyrosequencing. Patients in sufentanil group received intravenous sufentanil injection during anesthesia induction, intraoperative maintenance, and postoperative analgesia, while those in oxycodone group received oxycodone. Patients' postoperative VAS score, opioid use, and prevalence of adverse reactions were recorded. RESULTS The genotype distribution of OPRM1 A118G, CYP3A4*1G, CYP3A5*3, and CYP2D6*10 in Chinese gastric cancer/intestinal cancer patients accorded with the Hardy-Weinberg law (p>0.05). OPRM1 A118G polymorphism correlated with postoperative VAS score and medication dosage, in oxycodone group (p<0.05), while it didn't with those of sufentanil group. The VAS scores in GG group were higher than that in AA group and AG group at T6-T9, (p<0.05); the postoperative pain remedies times in GG group were more than that in the AA and AG groups (p=0.002). CYP3A4*1G polymorphism related to postoperative VAS score, medication dosage and prevalence of adverse reactions in sufentanil group (p<0.05), while it didn't with those of oxycodone group (p>0.05). The total intraoperative medication in AA group was less than that in GG and GA groups (p<0.01), with a higher prevalence of respiratory depression (p=0.01). Nor was there any correlation of CYP3A5*3 and CYP2D6*10 polymorphisms with the efficacy, postoperative VAS score, pain remedies times, postoperative 24 h medication dosage, or prevalence of adverse reactions in oxycodone and sufentanil groups. CONCLUSIONS Gene polymorphism affects the efficacy and adverse reactions of opioids in patients undergoing laparoscopic gastric or intestinal cancer surgery.
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Affiliation(s)
- J Pu
- Department of Anesthesiology, Changzheng Hospital, Second Military Medical University, Shanghai, P.R. China.
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Wang W, Fu C, Liu Y, Zhang Q, Wang C, He Z, Pu J. Weighted gene co-expression networks explored MiR-92b Implicated In esophageal squamous cell cancer. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz155.011] [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] Open
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Pu J, Ke Y, Huang L, Wu W. P724Techniques and outcomes of trans-catheter closure of aortic anatomosis leak after aortic replacement. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy564.p724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- J Pu
- Beijing Anzhen Hospital, Interventional Department, Beijing, China People's Republic of
| | - Y Ke
- Beijing Anzhen Hospital, Echocardiography, Beijing, China People's Republic of
| | - L Huang
- Beijing Anzhen Hospital, Interventional Department, Beijing, China People's Republic of
| | - W Wu
- Beijing Anzhen Hospital, Interventional Department, Beijing, China People's Republic of
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Liu JB, Cao SC, Liu J, Pu J, Chen L, Zhang HF. Effects of dietary energy and lipase levels on nutrient digestibility, digestive physiology and noxious gas emission in weaning pigs. Asian-Australas J Anim Sci 2018; 31:1963-1973. [PMID: 29879828 PMCID: PMC6212735 DOI: 10.5713/ajas.18.0087] [Citation(s) in RCA: 6] [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] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Accepted: 05/10/2018] [Indexed: 12/02/2022]
Abstract
Objective This study was conducted to evaluate the effect of dietary energy and lipase supplementation on growth performance, nutrient digestibility, serum profiles, intestinal morphology, small intestinal digestive enzyme activities, biochemical index of intestinal development and noxious gas emission in weaning pigs. Methods A total of 240 weaning pigs ([Yorkshire×Landrace]×Duroc) with an average body weight (BW) of 7.3±0.12 kg were used in this 28-d experiment. Weaning pigs were randomly allocated to 4 dietary treatments in a 2×2 factorial arrangement with 2 levels of energy (net energy = 2,470 kcal/kg for low energy diet and 2,545 kcal/kg for basal diet) and 2 levels of lipase (0 and 1.5 U/g of lipase) according to BW and sex. There were 6 replications (pens) per treatment and 10 pigs per pen (5 barrows and 5 gilts). Results Weaning pigs fed the low energy diet had lower (p<0.05) gain-to-feed ratio (G:F) throughout the experiment, apparent digestibility of dry matter, nitrogen, ether extract, and gross energy during d 0 to 14, average daily gain during d 15 to 28, lipase activity in duodenum and ileum and protein/DNA in jejunum (p<0.05), respectively. Lipase supplementation had no effect on growth performance but affected apparent nutrient digestibility (p<0.05) on d 14 and enhanced lipase activity in the duodenum and ileum and protease activity in duodenum and jejunum of pigs (p<0.05) fed the low energy diet. Lipase reduced serum low-density lipoprotein cholesterol (LDL-C) and triglyceride (TG), NH3 production (p<0.05) from the feces. Conclusion The low energy diet decreased G:F throughout the experiment and nutrient digestibility during d 0 to 14 as well as lipase activity in duodenum and ileum. Lipase supplementation increased nutrient digestibility during d 0 to 14 and exerted beneficial effects on lipase activity in duodenum and ileum as well as protease activity in duodenum and jejunum, while reduced serum LDL-C, TG and fecal NH3.
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Affiliation(s)
- J B Liu
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China.,State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - S C Cao
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China
| | - J Liu
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China
| | - J Pu
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China
| | - L Chen
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - H F Zhang
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
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Wen S, Wang X, Wang Y, Shen J, Pu J, Liang H, Chen C, Liu L, Dai P. Nucleoside diphosphate kinase 2 confers acquired 5-fluorouracil resistance in colorectal cancer cells. Artificial Cells, Nanomedicine, and Biotechnology 2018; 46:896-905. [DOI: 10.1080/21691401.2018.1439835] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Shaojia Wen
- College of Life Science, Northwest University, Xi’an, PR China
| | - Xun Wang
- College of Life Science, Northwest University, Xi’an, PR China
| | - Yamin Wang
- College of Life Science, Northwest University, Xi’an, PR China
| | - Jianfeng Shen
- College of Life Science, Northwest University, Xi’an, PR China
| | - Junyi Pu
- College of Life Science, Northwest University, Xi’an, PR China
| | - Hui Liang
- College of Life Science, Northwest University, Xi’an, PR China
| | - Chao Chen
- College of Life Science, Northwest University, Xi’an, PR China
| | - Linna Liu
- Pharmacy Department, Tangdu Hospital, Fourth Military Medical University, Xi’an, PR China
| | - Penggao Dai
- College of Life Science, Northwest University, Xi’an, PR China
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Men X, Ma J, Wu T, Pu J, Wen S, Shen J, Wang X, Wang Y, Chen C, Dai P. Transcriptome profiling identified differentially expressed genes and pathways associated with tamoxifen resistance in human breast cancer. Oncotarget 2017; 9:4074-4089. [PMID: 29423105 PMCID: PMC5790522 DOI: 10.18632/oncotarget.23694] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [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: 05/24/2017] [Accepted: 12/15/2017] [Indexed: 12/18/2022] Open
Abstract
Tamoxifen (TAM) resistance is an important clinical problem in the treatment of breast cancer. In order to identify the mechanism of TAM resistance for estrogen receptor (ER)-positive breast cancer, we screened the transcriptome using RNA-seq and compared the gene expression profiles between the MCF-7 mamma carcinoma cell line and the TAM-resistant cell line TAMR/MCF-7, 52 significant differential expression genes (DEGs) were identified including SLIT2, ROBO, LHX, KLF, VEGFC, BAMBI, LAMA1, FLT4, PNMT, DHRS2, MAOA and ALDH. The DEGs were annotated in the GO, COG and KEGG databases. Annotation of the function of the DEGs in the KEGG database revealed the top three pathways enriched with the most DEGs, including pathways in cancer, the PI3K-AKT pathway, and focal adhesion. Then we compared the gene expression profiles between the Clinical progressive disease (PD) and the complete response (CR) from the cancer genome altas (TCGA). 10 common DEGs were identified through combining the clinical and cellular analysis results. Protein-protein interaction network was applied to analyze the association of ER signal pathway with the 10 DEGs. 3 significant genes (GFRA3, NPY1R and PTPRN2) were closely related to ER related pathway. These significant DEGs regulated many biological activities such as cell proliferation and survival, motility and migration, and tumor cell invasion. The interactions between these DEGs and drug resistance phenomenon need to be further elucidated at a functional level in further studies. Based on our findings, we believed that these DEGs could be therapeutic targets, which can be explored to develop new treatment options.
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Affiliation(s)
- Xin Men
- National Engineering Research Center for Miniaturized Detection Systems, College of Life Science, Northwest University, Xi'an, PR China
| | - Jun Ma
- National Engineering Research Center for Miniaturized Detection Systems, College of Life Science, Northwest University, Xi'an, PR China
| | - Tong Wu
- National Engineering Research Center for Miniaturized Detection Systems, College of Life Science, Northwest University, Xi'an, PR China
| | - Junyi Pu
- National Engineering Research Center for Miniaturized Detection Systems, College of Life Science, Northwest University, Xi'an, PR China
| | - Shaojia Wen
- National Engineering Research Center for Miniaturized Detection Systems, College of Life Science, Northwest University, Xi'an, PR China
| | - Jianfeng Shen
- National Engineering Research Center for Miniaturized Detection Systems, College of Life Science, Northwest University, Xi'an, PR China
| | - Xun Wang
- National Engineering Research Center for Miniaturized Detection Systems, College of Life Science, Northwest University, Xi'an, PR China
| | - Yamin Wang
- National Engineering Research Center for Miniaturized Detection Systems, College of Life Science, Northwest University, Xi'an, PR China
| | - Chao Chen
- National Engineering Research Center for Miniaturized Detection Systems, College of Life Science, Northwest University, Xi'an, PR China
| | - Penggao Dai
- National Engineering Research Center for Miniaturized Detection Systems, College of Life Science, Northwest University, Xi'an, PR China
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Babu S, Omar R, Fediuk H, Li L, Coudiere-Morrision L, Wang W, Pu J, Sun HD, Werbowetski-Ogilvie T, Wölfl M, Remke M, Taylor M, Eberhart C, Symons M, Ruggieri R, Vanan MI. PDTM-48. PEROXIREDOXIN1 IS A THERAPEUTIC TARGET IN GROUP-3 MEDULLOBLASTOMA. Neuro Oncol 2017. [DOI: 10.1093/neuonc/nox168.810] [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: 11/14/2022] Open
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Xu Y, Zheng X, Zhu W, Wang W, Li J, Hu W, J M, Huang J, Yang X, He H, He H, Liu Z, Zhuang T, Sun Z, Zhou J, Pu J, Hu J, Bao Y, Liao Z, Chen M. Preliminary Results of a Multicenter, Randomized, Prospective Study Evaluating the Optimal Radiation Dose of Definitive Concurrent Chemoradiation for Inoperable Esophageal Squamous Cell Carcinoma. Int J Radiat Oncol Biol Phys 2017. [DOI: 10.1016/j.ijrobp.2017.06.1080] [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: 11/17/2022]
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Hendifar A, Bullock A, Seery T, Zheng L, Sigal D, Ritch P, Braiteh F, Zalupski M, Bahary N, Harris W, Pu J, Lian F, Zhu J, Wu W, Chondros D, Jiang P, Hingorani S. Tumor hyaluronan (HA) is a novel biomarker: Results of the randomized phase 2 HALO 202 study of PEGPH20 plus nab-paclitaxel/gemcitabine (PAG) vs AG in previously untreated, metastatic pancreatic ductal adenocarcinoma (mPDA). Ann Oncol 2017. [DOI: 10.1093/annonc/mdx369.126] [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: 11/13/2022] Open
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Hingorani S, Bullock A, Seery T, Zheng L, Sigal D, Ritch P, Braiteh F, Zalupski M, Bahary N, Harris W, Pu J, Aldrich C, Khelifa S, Wu W, Chondros D, Jiang P, Hendifar A. Randomized phase 2 study of PEGPH20 Plus nab-paclitaxel/gemcitabine (PAG) vs AG in patients (Pts) with untreated, metastatic pancreatic ductal adenocarcinoma (mPDA). Ann Oncol 2017. [DOI: 10.1093/annonc/mdx369.145] [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: 11/14/2022] Open
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Sajesh B, Omar R, Jarmasz J, Stirton H, Morrison L, Wang W, Pu J, Sun HD, Bigio MD, Werbowetski-Ogilvie T, Wolfl M, Remke M, Taylor M, Eberhart C, Symons M, Ruggieri R, Vanan MI. MEDU-47. PEROXIREDOXIN1 IS A THERAPEUTIC TARGET IN GROUP-3 MEDULLOBLASTOMAS. Neuro Oncol 2017. [DOI: 10.1093/neuonc/nox083.196] [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: 11/14/2022] Open
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Sun H, Pu J, Chen F, Wang J, Han Z. Multiple ATP-binding cassette transporters are involved in insecticide resistance in the small brown planthopper, Laodelphax striatellus. Insect Mol Biol 2017; 26:343-355. [PMID: 28299835 DOI: 10.1111/imb.12299] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
ATP-binding cassette (ABC) transporters are membrane-bound proteins involved in the movement of various substrates, including drugs and insecticides, across the lipid membrane. Demonstration of the role of human ABC transporters in multidrug resistance has led to speculation that they might be an important mechanism controlling the fate of insecticides in insects. However, the role of ABC transporters in insects remains largely unknown. The small brown planthopper, Laodelphax striatellus Fallén, has developed resistance to most of the insecticides used for its control. Our goals were to identify the ABC transporters in La. striatellus and to examine their involvement in resistance mechanisms, using related strains resistant to chlorpyrifos, deltamethrin and imidacloprid, compared with the susceptible strain. Based on the transcriptome of La. striatellus, 40 full-length ABC transporters belonging to the ABCA-ABCH subfamilies were identified. Quantitative PCR revealed that over 20% of genes were significantly up-regulated in different resistant strains, and eight genes from the ABCB/C/D/G subfamilies were up-regulated in all three resistant strains, compared with the susceptible strain. Furthermore, synergism studies showed verapamil significantly enhanced insecticide toxicity in various resistant strains but not in the susceptible strain. These results suggest that ABC transporters might be involved in resistance to multiple insecticides in La. striatellus.
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Affiliation(s)
- H Sun
- Department of Entomology, College of Plant Protection, Nanjing Agricultural University, Nanjing, Jiangsu, China
| | - J Pu
- Department of Entomology, College of Plant Protection, Nanjing Agricultural University, Nanjing, Jiangsu, China
| | - F Chen
- Department of Entomology, College of Plant Protection, Nanjing Agricultural University, Nanjing, Jiangsu, China
| | - J Wang
- Department of Entomology, College of Plant Protection, Nanjing Agricultural University, Nanjing, Jiangsu, China
| | - Z Han
- Department of Entomology, College of Plant Protection, Nanjing Agricultural University, Nanjing, Jiangsu, China
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Li F, Xu M, Qin C, Xia L, Xiong Y, Xi X, Fan X, Gu J, Pu J, Wu Q, Lu S, Wang G. Recombinant fusion ESAT6-CFP10 immunogen as a skin test reagent for tuberculosis diagnosis: an open-label, randomized, two-centre phase 2a clinical trial. Clin Microbiol Infect 2016; 22:889.e9-889.e16. [DOI: 10.1016/j.cmi.2016.07.015] [Citation(s) in RCA: 11] [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] [Received: 03/02/2016] [Revised: 07/08/2016] [Accepted: 07/13/2016] [Indexed: 10/21/2022]
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Zhou Y, Ojeda-May P, Nagaraju M, Pu J. Toward Determining ATPase Mechanism in ABC Transporters: Development of the Reaction Path-Force Matching QM/MM Method. Methods Enzymol 2016; 577:185-212. [PMID: 27498639 PMCID: PMC4985252 DOI: 10.1016/bs.mie.2016.05.054] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Adenosine triphosphate (ATP)-binding cassette (ABC) transporters are ubiquitous ATP-dependent membrane proteins involved in translocations of a wide variety of substrates across cellular membranes. To understand the chemomechanical coupling mechanism as well as functional asymmetry in these systems, a quantitative description of how ABC transporters hydrolyze ATP is needed. Complementary to experimental approaches, computer simulations based on combined quantum mechanical and molecular mechanical (QM/MM) potentials have provided new insights into the catalytic mechanism in ABC transporters. Quantitatively reliable determination of the free energy requirement for enzymatic ATP hydrolysis, however, requires substantial statistical sampling on QM/MM potential. A case study shows that brute force sampling of ab initio QM/MM (AI/MM) potential energy surfaces is computationally impractical for enzyme simulations of ABC transporters. On the other hand, existing semiempirical QM/MM (SE/MM) methods, although affordable for free energy sampling, are unreliable for studying ATP hydrolysis. To close this gap, a multiscale QM/MM approach named reaction path-force matching (RP-FM) has been developed. In RP-FM, specific reaction parameters for a selected SE method are optimized against AI reference data along reaction paths by employing the force matching technique. The feasibility of the method is demonstrated for a proton transfer reaction in the gas phase and in solution. The RP-FM method may offer a general tool for simulating complex enzyme systems such as ABC transporters.
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Affiliation(s)
- Y Zhou
- Indiana University-Purdue University Indianapolis, Indianapolis, IN, United States
| | - P Ojeda-May
- Indiana University-Purdue University Indianapolis, Indianapolis, IN, United States
| | - M Nagaraju
- Indiana University-Purdue University Indianapolis, Indianapolis, IN, United States
| | - J Pu
- Indiana University-Purdue University Indianapolis, Indianapolis, IN, United States.
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Hingorani S, Bullock A, Harris W, Wu W, Jiang P, Chondros D, Khelifa S, Aldrich C, Pu J, Hendifar A. PD-006 Final analysis of stage 1 data from a randomized phase 2 study of PEGPH20 plus nab-paclitaxel/gemcitabine in stage IV previously untreated pancreatic cancer patients, utilizing Ventana companion diagnostic assay. Ann Oncol 2016. [DOI: 10.1093/annonc/mdw200.06] [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: 11/13/2022] Open
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Pu J, Hu X, Liao J, Li YW, Qin JL, Xie YL, Zhan CG, Yang XL, Liao F. Achievement of linear response for competitive bioaffinity assays of ligands: criteria of optimized interaction systems. RSC Adv 2016. [DOI: 10.1039/c6ra06426d] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
For a linear response, an optimized competitive bioaffinity assay of a ligand requiresCRT> 3 ×CPT,CPT> 50 ×KdR, andKdR> 260 ×KdX(CRTandCPTare concentrations of the probe and protein whileKdXandKdRareKdfor the ligand and probe, respectively).
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Affiliation(s)
- J. Pu
- Key Laboratory of Clinical Laboratory Diagnosis of the Education Ministry
- College of Laboratory Medicine
- Chongqing Medical University
- Chongqing 400016
- China
| | - X. L. Hu
- Key Laboratory of Clinical Laboratory Diagnosis of the Education Ministry
- College of Laboratory Medicine
- Chongqing Medical University
- Chongqing 400016
- China
| | - J. Liao
- Central Laboratory
- Yongchuan Hospital
- Chongqing Medical University
- Chongqing 402160
- China
| | - Y. W. Li
- Key Laboratory of Clinical Laboratory Diagnosis of the Education Ministry
- College of Laboratory Medicine
- Chongqing Medical University
- Chongqing 400016
- China
| | - J. L. Qin
- Key Laboratory of Clinical Laboratory Diagnosis of the Education Ministry
- College of Laboratory Medicine
- Chongqing Medical University
- Chongqing 400016
- China
| | - Y. L. Xie
- Key Laboratory of Clinical Laboratory Diagnosis of the Education Ministry
- College of Laboratory Medicine
- Chongqing Medical University
- Chongqing 400016
- China
| | - C.-G. Zhan
- Molecular Modeling and Biopharmaceutical Center
- Department of Pharmaceutical Sciences
- College of Pharmacy
- University of Kentucky
- Lexington
| | - X. L. Yang
- Key Laboratory of Clinical Laboratory Diagnosis of the Education Ministry
- College of Laboratory Medicine
- Chongqing Medical University
- Chongqing 400016
- China
| | - F. Liao
- Key Laboratory of Clinical Laboratory Diagnosis of the Education Ministry
- College of Laboratory Medicine
- Chongqing Medical University
- Chongqing 400016
- China
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Niu XQ, Zhao XX, Li BC, Gao YJ, Xu W, Fan YD, Fu GP, Wang K, Pu J. ¹H-MRS before and after resuscitation following selective cerebral ultra-profound hypothermic blood flow occlusion in monkeys. Genet Mol Res 2015; 14:12595-605. [PMID: 26505410 DOI: 10.4238/2015.october.19.3] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
We investigated the effect of selective cerebral ultra-profound hypothermic blood flow occlusion on brain tissue and cell metabolism to ascertain the efficacy and safety of selective deep hypothermic technologies using proton magnetic resonance spectroscopy ((1)H-MRS). The bilateral carotid artery was blocked at room temperature for 10 min. Other neck vessels were then blocked through cold perfusion of the internal carotid artery and reflux of the ipsilateral jugular vein. Thus, selective cerebral extracorporeal circulation was established. Brain temperature was reduced to 15.1° ± 0.9°C. After 60 min, cerebral blood flow recovered naturally. Routine magnetic resonance imaging (MRI), diffusion-weighted imaging (DWI), and (1)H-MRS examination of the bilateral frontal cortex and basal ganglia were performed prior to surgery and 4, 24, 72 h, 21 days after recovery. The formants and areas under the curve (AUC) of N-acetyl aspartate (NAA), choline (Cho), creatine/phosphocreatine (Cr/Cr2) were analyzed using 1H-MRS. The pre- and postoperative AUC of NAA and Cho at different time points were compared. Conventional MRI and DWI showed no abnormal signal changes in the brain parenchyma or right basal ganglia before and after surgery (P > 0.05). There was no significant difference in the ratio between NAA/(Cr+Cr2) and Cho/(Cr+Cr2) before and after surgery in the bilateral basal ganglia and frontoparietal regions of the cortex (P > 0.05). Quantitative (1)H-MRS showed that selective deep cerebral hypothermia significantly improved the brain's tolerance to ischemia and hypoxia. Our results could provide a better understanding of the efficacy and safety of selective deep hypothermia and blood flow occlusion.
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Affiliation(s)
- X-Q Niu
- Department of Respiratory Medicine, Second Hospital of Kunming Medical University, Kunming, China
| | - X-X Zhao
- Department of Radiology, Second Hospital of Kunming Medical University, Kunming, China
| | - B-C Li
- Department of Neurosurgery, Puer Central Hospital, Puer, China
| | - Y-J Gao
- Department of Neurosurgery, Second Hospital of Kunming Medical University, Kunming, China
| | - W Xu
- Department of Neurosurgery, Second Hospital of Kunming Medical University, Kunming, China
| | - Y-D Fan
- Department of Neurosurgery, Second Hospital of Kunming Medical University, Kunming, China
| | - G-P Fu
- Department of Neurosurgery, Second Hospital of Kunming Medical University, Kunming, China
| | - K Wang
- Department of Neurosurgery, Second Hospital of Kunming Medical University, Kunming, China
| | - J Pu
- Department of Neurosurgery, Second Hospital of Kunming Medical University, Kunming, China
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Li BC, Fu X, Niu XQ, Fan YD, Xu W, Zhao XX, Pu J. Changes in hippocampal ultrastructure and vimentin expression in rhesus monkeys following selective deep hypothermia and blood occlusion. Genet Mol Res 2015; 14:651-8. [PMID: 25730001 DOI: 10.4238/2015.january.30.7] [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: 11/03/2022]
Abstract
Previous studies have shown that selective cerebral profound hypothermia combined with antegrade cerebral perfusion can improve resistance to cerebral hypoxia-ischemia in monkeys. The aim of this study was to observe the effect of selective cerebral profound hypothermia on the ultrastructure and vimentin expression in monkey hippocampi after severe cerebral ischemia. Eight healthy adult rhesus monkeys were randomly divided into two groups: profound hypothermia (N = 5) and normothermia (N = 3). Monkeys in the profound hypothermia group underwent bilateral carotid artery and jugular vein occlusion for 10 minutes at room temperature. Ringer's solution at 4°C was then perfused through the right internal carotid artery and out of the right jugular vein, maintaining the brain temperature below 18°C. Sixty minutes later, cerebral blood flow was restored. The normothermia group underwent all procedures with the exception that the Ringer's solution was 37°C during perfusion. All animals in the profound hypothermia group were successfully resuscitated. No significant abnormalities of hippocampal morphology or ultrastructure were observed. In contrast, no monkeys were alive after perfusion in the normothermia group and they had abnormal hippocampal morphology and ultrastructure to different extents. Vimentin expression in the hippocampus was significantly lower in the profound hypothermia group (47.88% ± 1.66) than the normothermia group (79.51% ± 1.00; P < 0.01). We conclude that selective cerebral profound hypothermia following 10-min occlusion of the bilateral common carotid arteries was able to downregulate vimentin expression in the hippocampus and protect it from severe cerebral ischemia.
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Affiliation(s)
- B C Li
- Department of Neurosurgery, PuEr Municipal Hospital, PuEr, Yunnan Province, China
| | - X Fu
- Department of Neurosurgery, Suzhou Municipal Hospital, Suzhou, Jiangsu Province, China
| | - X Q Niu
- Department of Pneumology, Second Affiliated Hospital of KunMing Medical University, KunMing, Yunnan Province, China
| | - Y D Fan
- Department of Neurosurgery, Third Affiliated Hospital of KunMing Medical University, KunMing, Yunnan Province, China
| | - W Xu
- Department of Neurosurgery, Second Affiliated Hospital of KunMing Medical University, KunMing, Yunnan Province, China
| | - X X Zhao
- Department of Radiology, Second Affiliated Hospital of KunMing Medical University, KunMing, Yunnam Province, China
| | - J Pu
- Department of Neurosurgery, Second Affiliated Hospital of KunMing Medical University, KunMing, Yunnan Province, China
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45
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Li YL, Yang XL, He CX, Hu XL, Pu J, Liu L, Long GB, Liao F. Facile quantitative comparison of specific activities of fusion-tagged enzyme/mutants in cell lysates via prediction of their maximum adsorption by anti-tag antibody immobilized in microplate wells. RSC Adv 2014. [DOI: 10.1039/c4ra03189j] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Maximum activities of 6His-tagged enzyme/mutants from lysates adsorbed on immobilized anti-tag antibody were predicted as specific activities for comparison.
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Affiliation(s)
- Y. L. Li
- Unit for Analytical Probes and Protein Biotechnology
- Key Laboratory of Clinical Laboratory Diagnostics of the Education Ministry
- College of Laboratory Medicine
- Chongqing Medical University
- Chongqing 400016, China
| | - X. L. Yang
- Unit for Analytical Probes and Protein Biotechnology
- Key Laboratory of Clinical Laboratory Diagnostics of the Education Ministry
- College of Laboratory Medicine
- Chongqing Medical University
- Chongqing 400016, China
| | - C. X. He
- Unit for Analytical Probes and Protein Biotechnology
- Key Laboratory of Clinical Laboratory Diagnostics of the Education Ministry
- College of Laboratory Medicine
- Chongqing Medical University
- Chongqing 400016, China
| | - X. L. Hu
- Unit for Analytical Probes and Protein Biotechnology
- Key Laboratory of Clinical Laboratory Diagnostics of the Education Ministry
- College of Laboratory Medicine
- Chongqing Medical University
- Chongqing 400016, China
| | - J. Pu
- Unit for Analytical Probes and Protein Biotechnology
- Key Laboratory of Clinical Laboratory Diagnostics of the Education Ministry
- College of Laboratory Medicine
- Chongqing Medical University
- Chongqing 400016, China
| | - L. Liu
- Unit for Analytical Probes and Protein Biotechnology
- Key Laboratory of Clinical Laboratory Diagnostics of the Education Ministry
- College of Laboratory Medicine
- Chongqing Medical University
- Chongqing 400016, China
| | - G. B. Long
- Unit for Analytical Probes and Protein Biotechnology
- Key Laboratory of Clinical Laboratory Diagnostics of the Education Ministry
- College of Laboratory Medicine
- Chongqing Medical University
- Chongqing 400016, China
| | - F. Liao
- Unit for Analytical Probes and Protein Biotechnology
- Key Laboratory of Clinical Laboratory Diagnostics of the Education Ministry
- College of Laboratory Medicine
- Chongqing Medical University
- Chongqing 400016, China
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Affiliation(s)
- J Pu
- School of Optoelectronic InformationUniversity of Electronic Science and Technology of China, Chengdu 610054, China
| | - Y D Jiang
- School of Optoelectronic InformationUniversity of Electronic Science and Technology of China, Chengdu 610054, China
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Zhang H, Pu J, Qi T, Qi M, Yang C, Li S, Huang K, Zheng L, Tong Q. MicroRNA-145 inhibits the growth, invasion, metastasis and angiogenesis of neuroblastoma cells through targeting hypoxia-inducible factor 2 alpha. Oncogene 2012; 33:387-97. [PMID: 23222716 DOI: 10.1038/onc.2012.574] [Citation(s) in RCA: 117] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2012] [Revised: 10/01/2012] [Accepted: 10/23/2012] [Indexed: 11/10/2022]
Abstract
Recent evidence shows that hypoxia-inducible factor 2 alpha (HIF-2α) may have critical roles in the growth and progression of neuroblastoma (NB) under non-hypoxic conditions. However, the underlying mechanisms and clinical potentials of normoxic HIF-2α expression in NB still remain largely unknown. In this study, HIF-2α immunostaining was identified in 26/42 NB tissues, which was correlated with clinicopathological features. In subtotal 20 NB cases, microRNA-145 (miR-145) was downregulated and inversely correlated with HIF-2α expression. Bioinformatics analysis revealed a putative miR-145 binding site in the 3'-untranslated region (3'-UTR) of HIF-2α messenger RNA (mRNA). Overexpression or knockdown of miR-145 responsively altered both the mRNA and protein levels of HIF-2α and its downstream genes, cyclin D1, matrix metalloproteinase 14 and vascular endothelial growth factor, in normoxically cultured NB cell lines SH-SY5Y and SK-N-SH. In a luciferase reporter system, miR-145 downregulated the luciferase activity of HIF-2α 3'-UTR, and these effects were abolished by a mutation in the putative miR-145-binding site. Overexpression of miR-145 suppressed the growth, invasion, metastasis and angiogenesis of SH-SY5Y and SK-N-SH cells in vitro and in vivo, while restoration of HIF-2α expression rescued the tumor cells from miR-145-mediated defects in these biological features. Furthermore, anti-miR-145 inhibitor rescued the HIF-2α knockdown-mediated repression on the growth, migration, invasion and angiogenesis of NB cells. These data indicate that miR-145 suppresses HIF-2α expression via the binding site in the 3'-UTR under normoxic conditions, thus inhibiting the aggressiveness and angiogenesis of NB.
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Affiliation(s)
- H Zhang
- Department of Pediatric Surgery, Union Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, P.R. China
| | - J Pu
- Department of Pediatric Surgery, Union Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, P.R. China
| | - T Qi
- Department of Pediatric Surgery, Union Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, P.R. China
| | - M Qi
- Department of Pediatric Surgery, Union Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, P.R. China
| | - C Yang
- Department of Pediatric Surgery, Union Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, P.R. China
| | - S Li
- Department of Pediatric Surgery, Union Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, P.R. China
| | - K Huang
- 1] Clinical Center of Human Genomic Research, Union Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, P.R. China [2] Department of Cardiology, Union Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, P.R. China
| | - L Zheng
- 1] Clinical Center of Human Genomic Research, Union Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, P.R. China [2] Department of Pathology, Union Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, P.R. China
| | - Q Tong
- 1] Department of Pediatric Surgery, Union Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, P.R. China [2] Clinical Center of Human Genomic Research, Union Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, P.R. China
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Huang LL, Pu J, Liu LH, Du XB, Wang J, Li JY, Yao WX, Zhu XQ, Zhang R, Zhao Y, He M. Cancer Department Nurses’ Attitudes and Practices in Response to the Sexual Issues of Pelvic Radiation Patients: A Survey in Sichuan of China. Contemp Nurse 2012. [DOI: 10.5172/conu.2012.1613] [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: 11/08/2022]
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Xu G, Shen XJ, Pu J, Chu SP, Wang XD, Wu XH, Sun CJ, Zhang X, Zhu BL, Ju SQ. BLyS expression and JNK activation may form a feedback loop to promote survival and proliferation of multiple myeloma cells. Cytokine 2012; 60:505-13. [PMID: 22850273 DOI: 10.1016/j.cyto.2012.06.317] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2012] [Revised: 05/31/2012] [Accepted: 06/28/2012] [Indexed: 12/25/2022]
Abstract
B-Lymphocyte stimulator (BLyS), a member of tumor necrosis factor superfamily, is a potent co-activator of B cells in vitro, and in vivo induces B cell proliferation and immunoglobulin secretion. Multiple myeloma (MM) is an incurable malignancy of terminally differentiated B cells (plasma cells). Previous studies have well ascertained that BLyS plays an important contributory role in the pathogenesis and propagation of multiple myeloma by virtue of its ability to promote B cell survival, expansion, and differentiation. However, the intracellular signaling of BLyS in human MM cells remains undefined. This study was designed to see whether there was interaction between MAPK signaling pathway and BLyS expression. It was found that the active protein p-JNK was expressed in KM3, U266 and PBMCs of MM patients, and that the expression of BLyS could be changed by JNK pathway activator and inhibitor. In addition, recombinant BLyS activated JNK pathway, while BLyS siRNA treatment inhibited the activation of JNK pathway. The level of BLyS expression and the activation of JNK pathway were positively correlated. These findings suggest that JNK activation and BLyS expression in MM cells may form a positive feedback loop that promotes the survival and proliferation of MM cells, and these may shed some light on the pathogenesis and treatment of MM.
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Affiliation(s)
- G Xu
- Laboratory Medicine Center, Affiliated Hospital of Nantong University, 20 Xisi Road, Nantong 226001, JS, PR China
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Pu J, Mintz GS, Brilakis ES, Banerjee S, Abdel-Karim ARR, Maini B, Biro S, Lee JB, Stone GW, Weisz G, Maehara A. In vivo characterization of coronary plaques: novel findings from comparing greyscale and virtual histology intravascular ultrasound and near-infrared spectroscopy. Eur Heart J 2011; 33:372-83. [DOI: 10.1093/eurheartj/ehr387] [Citation(s) in RCA: 108] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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