1
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Marin GH, Murail S, Andrini L, Garcia M, Loisel S, Tuffery P, Rebollo A. In Silico and In Vivo Studies of a Tumor-Penetrating and Interfering Peptide with Antitumoral Effect on Xenograft Models of Breast Cancer. Pharmaceutics 2023; 15:pharmaceutics15041180. [PMID: 37111665 PMCID: PMC10142558 DOI: 10.3390/pharmaceutics15041180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 03/09/2023] [Accepted: 04/05/2023] [Indexed: 04/29/2023] Open
Abstract
The combination of a tumor-penetrating peptide (TPP) with a peptide able to interfere with a given protein-protein interaction (IP) is a promising strategy with potential clinical application. Little is known about the impact of fusing a TPP with an IP, both in terms of internalization and functional effect. Here, we analyze these aspects in the context of breast cancer, targeting PP2A/SET interaction, using both in silico and in vivo approaches. Our results support the fact that state-of-the-art deep learning approaches developed for protein-peptide interaction modeling can reliably identify good candidate poses for the IP-TPP in interaction with the Neuropilin-1 receptor. The association of the IP with the TPP does not seem to affect the ability of the TPP to bind to Neuropilin-1. Molecular simulation results suggest that peptide IP-GG-LinTT1 in a cleaved form interacts with Neuropilin-1 in a more stable manner and has a more helical secondary structure than the cleaved IP-GG-iRGD. Surprisingly, in silico investigations also suggest that the non-cleaved TPPs can bind the Neuropilin-1 in a stable manner. The in vivo results using xenografts models show that both bifunctional peptides resulting from the combination of the IP and either LinTT1 or iRGD are effective against tumoral growth. The peptide iRGD-IP shows the highest stability to serum proteases degradation while having the same antitumoral effect as Lin TT1-IP, which is more sensitive to proteases degradation. Our results support the development of the TPP-IP strategy as therapeutic peptides against cancer.
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Affiliation(s)
- Gustavo H Marin
- Department of Pharmacology/Histology and Embryology, FMC, National University of La Plata, CONICET, La Plata 1900, Argentina
| | - Samuel Murail
- BFA, Université Paris Cite, CNRS UMR 8251, Inserm U1133, 75013 Paris, France
| | - Laura Andrini
- Department of Pharmacology/Histology and Embryology, FMC, National University of La Plata, CONICET, La Plata 1900, Argentina
| | - Marcela Garcia
- Department of Pharmacology/Histology and Embryology, FMC, National University of La Plata, CONICET, La Plata 1900, Argentina
| | | | - Pierre Tuffery
- BFA, Université Paris Cite, CNRS UMR 8251, Inserm U1133, 75013 Paris, France
| | - Angelita Rebollo
- Faculté de Pharmacie, UTCBS, Université Paris Cite, Inserm U1267, 75006 Paris, France
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2
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Rathor N, Chung HK, Song JL, Wang SR, Wang JY, Rao JN. TRPC1-mediated Ca 2+ signaling enhances intestinal epithelial restitution by increasing α4 association with PP2Ac after wounding. Physiol Rep 2021; 9:e14864. [PMID: 33991460 PMCID: PMC8123541 DOI: 10.14814/phy2.14864] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 01/02/2021] [Accepted: 01/13/2021] [Indexed: 11/24/2022] Open
Abstract
Gut epithelial restitution after superficial wounding is an important repair modality regulated by numerous factors including Ca2+ signaling and cellular polyamines. Transient receptor potential canonical-1 (TRPC1) functions as a store-operated Ca2+ channel in intestinal epithelial cells (IECs) and its activation increases epithelial restitution by inducing Ca2+ influx after acute injury. α4 is a multiple functional protein and implicated in many aspects of cell functions by modulating protein phosphatase 2A (PP2A) stability and activity. Here we show that the clonal populations of IECs stably expressing TRPC1 (IEC-TRPC1) exhibited increased levels of α4 and PP2A catalytic subunit (PP2Ac) and that TRPC1 promoted intestinal epithelial restitution by increasing α4/PP2Ac association. The levels of α4 and PP2Ac proteins increased significantly in stable IEC-TRPC1 cells and this induction in α4/PP2Ac complexes was accompanied by an increase in IEC migration after wounding. α4 silencing by transfection with siRNA targeting α4 (siα4) or PP2Ac silencing destabilized α4/PP2Ac complexes in stable IEC-TRPC1 cells and repressed cell migration over the wounded area. Increasing the levels of cellular polyamines by stable transfection with the Odc gene stimulated α4 and PP2Ac expression and enhanced their association, thus also promoting epithelial restitution after wounding. In contrast, depletion of cellular polyamines by treatment with α-difluoromethylornithine reduced α4/PP2Ac complexes and repressed cell migration. Ectopic overexpression of α4 partially rescued rapid epithelial repair in polyamine-deficient cells. These results indicate that activation of TRPC1-mediated Ca2+ signaling enhances cell migration primarily by increasing α4/PP2Ac associations after wounding and this pathway is tightly regulated by cellular polyamines.
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Affiliation(s)
- Navneeta Rathor
- Cell Biology Group, Department of Surgery, University of Maryland School of Medicine, Baltimore, MD, USA.,Baltimore Veterans Affairs Medical Center, Baltimore, MD, USA
| | - Hee Kyoung Chung
- Cell Biology Group, Department of Surgery, University of Maryland School of Medicine, Baltimore, MD, USA.,Baltimore Veterans Affairs Medical Center, Baltimore, MD, USA
| | - Jia-Le Song
- Cell Biology Group, Department of Surgery, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Shelley R Wang
- Baltimore Veterans Affairs Medical Center, Baltimore, MD, USA
| | - Jian-Ying Wang
- Cell Biology Group, Department of Surgery, University of Maryland School of Medicine, Baltimore, MD, USA.,Baltimore Veterans Affairs Medical Center, Baltimore, MD, USA.,Department of Pathology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Jaladanki N Rao
- Cell Biology Group, Department of Surgery, University of Maryland School of Medicine, Baltimore, MD, USA.,Baltimore Veterans Affairs Medical Center, Baltimore, MD, USA
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3
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Tumor budding in upper urinary tract urothelial carcinoma: a putative prognostic factor for extraurothelial recurrence and overall survival. Virchows Arch 2021; 479:45-55. [PMID: 33404852 DOI: 10.1007/s00428-020-02989-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 11/07/2020] [Accepted: 12/08/2020] [Indexed: 12/12/2022]
Abstract
Tumor budding, defined as a single cancer cell or clusters of fewer than five cancer cells observed at the tumor invasion front, has been reported to be associated with poor prognosis in various types of cancers. However, limited information regarding the pathological and prognostic significance of tumor budding in upper urinary tract urothelial carcinoma (UUTUC) is available. We investigated 135 consecutive patients with newly diagnosed invasive UUTUCs (73 with renal pelvic cancers and 62 with ureteral cancers) treated with nephroureterectomy or partial ureterectomy between 1999 and 2018 in our hospital. Under a × 200 magnification, tumors with 10 or more budding foci were defined as "high tumor budding". The median follow-up period was 53.6 months. Among the 135 patients, 41 (30%; 16 with renal pelvic cancers and 25 with ureteral cancers) showed high tumor budding. High tumor budding was related to adjuvant chemotherapy status, higher pathological T stage, lymphovascular invasion, lymph node metastasis, tumor location, concomitant variant histology, and non-papillary gross finding. The multivariate Cox analysis revealed that LVI and high tumor budding were independent predictors for extraurothelial recurrence (P = 0.039 and 0.014, hazard ratio = 2.50 and 2.88, respectively), and high tumor budding was an independent predictor for overall survival (P = 0.024, hazard ratio = 2.33). Tumor budding can be easily introduced in clinical practice with no need for immunohistochemical analysis, may be an important clinicopathological factor of UUTUC, and is suggested to be useful as a novel predictive prognostic factor of patients with invasive UUTUC.
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4
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Xu N, Qu GY, Wu YP, Lin YZ, Chen DN, Li XD, Chen SH, Huang JB, Zheng QS, Xue XY, Wei Y. ARPC4 promotes bladder cancer cell invasion and is associated with lymph node metastasis. J Cell Biochem 2019; 121:231-243. [PMID: 31190401 DOI: 10.1002/jcb.29136] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Revised: 05/08/2019] [Accepted: 05/10/2019] [Indexed: 12/30/2022]
Abstract
The significance of actin-related protein 2/3 complex subunit 4 (ARPC4) expression in bladder cancer, and its potential role in the invasion and migration of bladder cancer cells, has yet to be determined. This study was to identify the correlation between ARPC4 and lymph node metastasis, and to determine the role of ARPC4 in the invasive migration of T24 bladder cancer cells. One hundred and ninety-eight bladder cancer tissues and 40 normal bladder and lymph node tissues were examined. Tissue microarrays were constructed and subjected to immunohistochemical stating for ARPC4. Multiple logistic analysis was used to determine risk factors associated with bladder cancer metastasis. ARPC4 expression in T24 bladder cancer cells was suppressed using small interfering RNA and changes in protein levels were determined by Western blot analysis. The proliferation of bladder cancer cells after knocking down of ARPC4 was determined by cell counting kit-8. The effects of ARPC4 knockdown on T24 cell invasion and migration was determined using transwell and wound healing assays. Immunofluorescence analysis was performed to examine changes in pseudopodia formation and actin cytoskeleton structure. The expression of ARPC4 was elevated in bladder cancer tissues than normal tissues (84.3% vs 27.5%, P < 0.001). The multivariate logistic analysis demonstrated that the level of ARPC4, as a risk factor, was correlated with lymphatic metastasis (P < 0.05). ARPC4 knockdown attenuated proliferation, migration, invasion, and pseudopodia formation in T24 cells. ARPC4 expression, as a risk factor, is associated with lymphatic metastasis and is upregulated in bladder cancer tissues in comparison with normal tissues. Inhibition of ARPC4 expression significantly attenuates the proliferation, migration, and invasion of bladder cancer cell, possibly due to defects in pseudopodia formation.
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Affiliation(s)
- Ning Xu
- Department of Urology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Gen-Yi Qu
- Department of Urology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China.,Department of Urology, Zhuzhou Central Hospital, Zhuzhou, China
| | - Yu-Peng Wu
- Department of Urology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Yun-Zhi Lin
- Department of Urology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Dong-Ning Chen
- Department of Urology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Xiao-Dong Li
- Department of Urology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Shao-Hao Chen
- Department of Urology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Jin-Bei Huang
- Department of Urology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Qing-Shui Zheng
- Department of Urology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Xue-Yi Xue
- Department of Urology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Yong Wei
- Department of Urology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
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5
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α4 Coordinates Small Intestinal Epithelium Homeostasis by Regulating Stability of HuR. Mol Cell Biol 2018; 38:MCB.00631-17. [PMID: 29555726 DOI: 10.1128/mcb.00631-17] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Accepted: 03/08/2018] [Indexed: 02/06/2023] Open
Abstract
The mammalian intestinal epithelium is a rapidly self-renewing tissue in the body, and its homeostasis depends on a dynamic balance among proliferation, migration, apoptosis, and differentiation of intestinal epithelial cells (IECs). The protein phosphatase 2A (PP2A)-associated protein α4 controls the activity and specificity of serine/threonine phosphatases and is thus implicated in many cellular processes. Here, using a genetic approach, we investigated the mechanisms whereby α4 controls the homeostasis of the intestinal epithelium. In mice with ablated α4, the small intestinal mucosa exhibited crypt hyperplasia, villus shrinkage, defective differentiation of Paneth cells, and reduced IEC migration along the crypt-villus axis. The α4-deficient intestinal epithelium also displayed decreased expression of different intercellular junction proteins and abnormal epithelial permeability. In addition, α4 deficiency decreased the levels of the RNA-binding protein HuR in the mucosal tissue. In cultured IECs, ectopic overexpression of HuR in α4-deficient cells rescued the production of these intercellular junction proteins and restored the epithelial barrier function to a nearly normal level. Mechanistically, α4 silencing destabilized HuR through a process involving HuR phosphorylation by IκB kinase α, leading to ubiquitin-mediated proteolysis of HuR. These findings indicate that the critical impact of α4 upon the barrier function and homeostasis of the intestinal epithelium depends largely on its ability to regulate the stability of HuR.
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6
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Hu Y, Cheng C, Hong Z, Shi Z. Independent prognostic miRNAs for bladder urothelial carcinoma. Oncol Lett 2017; 14:3001-3005. [PMID: 28928837 PMCID: PMC5588142 DOI: 10.3892/ol.2017.6471] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Accepted: 06/19/2017] [Indexed: 01/23/2023] Open
Abstract
Bladder cancer is the most common malignant tumor of the urinary system, and it is also an important cause of death by cancer globally. Increasing number of studies have shown that miRNAs can be used as prognostic markers for cancers. This study made use of the data available in the Cancer Genome Atlas in order to statistically analyze reported expression levels of miRNAs in samples from bladder urothelial carcinoma patients. Clinical features from a total of 399 patients and the expression data for 1,581 kinds of miRNA were included in the study. Single factor Cox regression analysis was used to identify miRNAs related to survival times for the patients. Then, through multifactors Cox regression we sorted out the independent prognostic miRNAs for the carcinoma. According to our results, 19 miRNAs were closely related to the survival times of patients with bladder urothelial carcinoma, and 3 miRNAs including hsa-mir-518b (p=0.02), hsa-mir-192 (p=0.04) and hsa-mir-7705 (p=0.04) should be useful as independent prognostic factors in patients. In addition, the survival time of those expressing high levels of hsa-mir-7705 and hsa-mir-192 was less than the survival time of those with low expression levels. However, there were no obvious differences in the survival times between high and low expressors of hsa-mir-518b. According to our results, hsa-mir-7705, hsa-mir-192 and hsa-mir-518b can be applied as independent prognostic markers for bladder urothelial carcinoma.
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Affiliation(s)
- Yingbo Hu
- Department of Urology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Cheng Cheng
- Department of Urology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Zhengdong Hong
- Department of Urology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Ziming Shi
- Department of Urology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
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7
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Solute carrier family 12 member 5 promotes tumor invasion/metastasis of bladder urothelial carcinoma by enhancing NF-κB/MMP-7 signaling pathway. Cell Death Dis 2017; 8:e2691. [PMID: 28333147 PMCID: PMC5386524 DOI: 10.1038/cddis.2017.118] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2016] [Revised: 02/21/2017] [Accepted: 02/22/2017] [Indexed: 12/19/2022]
Abstract
Solute carrier family 12 member 5 (SLC12A5), an integral membrane KCl cotransporter, which maintains chloride homeostasis in neurons, is aberrantly expressed and involved in the tumorigenesis of certain cancers. However, the clinical significance and biological role of SLC12A5 in human bladder urothelial carcinoma (BUC) remains unclear. In this study, the expression of SLC12A5 was examined in clinical specimens of primary BUC and in BUC cell lines using quantitative real-time reverse transcription polymerase chain reaction (qRT-PCR), western blot and immunohistochemistry (IHC). The prognostic value of SLC12A5 expression and its correlation with the clinicopathological features of patients with BUC were analyzed statistically. A series of in vitro and in vivo assays were performed to elucidate the effect of SLC12A5 in BUC and its underlying mechanisms. The present results showed that SLC12A5 expression was significantly increased in BUC tissues. SLC12A5 expression significantly correlated with the tumor node metastasis (TNM) stage. Kaplan–Meier survival curves showed that high SLC12A5 expression was associated with poor survival in patients with BUC. Multivariate analysis indicated that SLC12A5 expression was an independent prognostic marker for the survival of patients. Downregulation of SLC12A5 inhibited the migratory and invasive abilities of BUC cells in vitro, and knocking down SLC12A5 diminished BUC metastasis in vivo. Moreover, we identified that SLC12A5 promoted the migration and invasion of BUC by enhancing MMP-7 expression via NF-κB-dependent transcription. Taken together, our findings indicated that SLC12A5 might function as a tumor metastasis promoting factor in the development and progression of BUC by regulating the NF-κB/MMP-7 signaling pathway. Thus, SLC12A5 might be a prognostic marker as well as a therapeutic target for BUC.
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8
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High CD204+ tumor-infiltrating macrophage density predicts a poor prognosis in patients with urothelial cell carcinoma of the bladder. Oncotarget 2016; 6:20204-14. [PMID: 26001293 PMCID: PMC4652998 DOI: 10.18632/oncotarget.3887] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2014] [Accepted: 04/25/2015] [Indexed: 12/22/2022] Open
Abstract
Macrophages (Mφs) are a major cell type that can infiltrate solid tumors and exhibit distinct phenotypes in different tumor microenvironments. This study attempted to investigate the prognostic values of various tumor-infiltrating Mφ phenotypes in patients with urothelial cell carcinoma of the bladder (UCB), with a focus on Mφ tissue microlocalization. Mφs were assessed by immunohistochemistry in tissues from 302 UCB patients using CD68 as a pan-Mφ marker, and CD204 and CD169 as robust pro- and anti-tumoral Mφ phenotype markers, respectively. Our data showed that these Mφ phenotypes were predominately distributed in stromal (ST) rather than in intratumoral (INT) regions (all P < 0.0001). Surprisingly, CD204 and CD169 can be co-expressed by the same CD68+ Mφs. Kaplan-Meier analysis revealed that all INT- and ST-infiltrating CD204+ or CD169+ Mφ densities were inversely associated with overall survival (all P < 0.01). By multivariate analysis, ST-infiltrating CD204+ Mφ density emerged as an independent prognostic factor for overall survival (HR, 1.981; P = 0.022). Moreover, the density of ST-infiltrating CD204+ Mφs was positively associated with the tumor size (P = 0.001), tumor stage (P < 0.0001), nodal metastasis (P < 0.0001), and histological grade (P < 0.0001). Our findings suggest that CD204+ Mφs might play detrimental protumoral roles and represent the predominant Mφ phenotype in human bladder cancer.
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LeNoue-Newton ML, Wadzinski BE, Spiller BW. The three Type 2A protein phosphatases, PP2Ac, PP4c and PP6c, are differentially regulated by Alpha4. Biochem Biophys Res Commun 2016; 475:64-9. [PMID: 27169767 PMCID: PMC6484841 DOI: 10.1016/j.bbrc.2016.05.036] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2016] [Accepted: 05/06/2016] [Indexed: 11/24/2022]
Abstract
Alpha4 is a non-canonical regulatory subunit of Type 2A protein phosphatases that interacts directly with the phosphatase catalytic subunits (PP2Ac, PP4c, and PP6c) and is upregulated in a variety of cancers. Alpha4 modulates phosphatase expression levels and activity, but the molecular mechanism of this regulation is unclear, and the extent to which the various Type 2A catalytic subunits associate with Alpha4 is also unknown. To determine the relative fractions of the Type 2A catalytic subunits associated with Alpha4, we conducted Alpha4 immunodepletion experiments in HEK293T cells and found that a significant fraction of total PP6c is associated with Alpha4, whereas a minimal fraction of total PP2Ac is associated with Alpha4. To facilitate studies of phosphatases in the presence of mutant or null Alpha4 alleles, we developed a facile and rapid method to simultaneously knockdown and rescue Alpha4 in tissue culture cells. This approach has the advantage that levels of endogenous Alpha4 are dramatically reduced by shRNA expression thereby simplifying interpretation of mutant phenotypes. We used this system to show that knockdown of Alpha4 preferentially impacts the expression of PP4c and PP6c compared to expression levels of PP2Ac.
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Affiliation(s)
| | - Brian E Wadzinski
- Department of Pharmacology, Vanderbilt University, Nashville, TN 37232, USA
| | - Benjamin W Spiller
- Department of Pharmacology, Vanderbilt University, Nashville, TN 37232, USA.
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10
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Wang B, Wu S, Zeng H, Liu Z, Dong W, He W, Chen X, Dong X, Zheng L, Lin T, Huang J. CD103
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Tumor Infiltrating Lymphocytes Predict a Favorable Prognosis in Urothelial Cell Carcinoma of the Bladder. J Urol 2015; 194:556-62. [PMID: 25752441 DOI: 10.1016/j.juro.2015.02.2941] [Citation(s) in RCA: 124] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/23/2015] [Indexed: 12/24/2022]
Affiliation(s)
- Bo Wang
- Department of Urology, Sun Yat-sen Memorial Hospital, Sun Yat-sen (Zhongshan) University, Guangzhou, People's Republic of China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen (Zhongshan) University, Guangzhou, People's Republic of China
| | - Shaoxu Wu
- Department of Urology, Sun Yat-sen Memorial Hospital, Sun Yat-sen (Zhongshan) University, Guangzhou, People's Republic of China
| | - Hong Zeng
- Department of Pathology, Sun Yat-sen Memorial Hospital, Sun Yat-sen (Zhongshan) University, Guangzhou, People's Republic of China
| | - Zhuowei Liu
- Department of Urology, Cancer Center, Sun Yat-sen (Zhongshan) University, Guangzhou, People's Republic of China
| | - Wen Dong
- Department of Urology, Sun Yat-sen Memorial Hospital, Sun Yat-sen (Zhongshan) University, Guangzhou, People's Republic of China
| | - Wang He
- Department of Urology, Sun Yat-sen Memorial Hospital, Sun Yat-sen (Zhongshan) University, Guangzhou, People's Republic of China
| | - Xu Chen
- Department of Urology, Sun Yat-sen Memorial Hospital, Sun Yat-sen (Zhongshan) University, Guangzhou, People's Republic of China
| | - Xiaoliang Dong
- Department of Urology, Sun Yat-sen Memorial Hospital, Sun Yat-sen (Zhongshan) University, Guangzhou, People's Republic of China
| | - Limin Zheng
- State Key Laboratory of Oncology in South China, Cancer Center, Sun Yat-sen (Zhongshan) University, Guangzhou, People's Republic of China
| | - Tianxin Lin
- Department of Urology, Sun Yat-sen Memorial Hospital, Sun Yat-sen (Zhongshan) University, Guangzhou, People's Republic of China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen (Zhongshan) University, Guangzhou, People's Republic of China
| | - Jian Huang
- Department of Urology, Sun Yat-sen Memorial Hospital, Sun Yat-sen (Zhongshan) University, Guangzhou, People's Republic of China
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