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Wu K, Liu J, Tseng SF, Gore C, Ning Z, Sharifi N, Fazli L, Gleave M, Kapur P, Xiao G, Sun X, Oz OK, Min W, Alexandrakis G, Yang CR, Hsieh CL, Wu HC, He D, Xie D, Hsieh JT. The role of DAB2IP in androgen receptor activation during prostate cancer progression. Oncogene 2013; 33:1954-63. [PMID: 23604126 DOI: 10.1038/onc.2013.143] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2012] [Revised: 01/30/2013] [Accepted: 02/26/2013] [Indexed: 11/09/2022]
Abstract
Altered androgen-receptor (AR) expression and/or constitutively active AR are commonly associated with prostate cancer (PCa) progression. Targeting AR remains a focal point for designing new strategy of PCa therapy. Here, we have shown that DAB2IP, a novel tumor suppressor in PCa, can inhibit AR-mediated cell growth and gene activation in PCa cells via distinct mechanisms. DAB2IP inhibits the genomic pathway by preventing AR nuclear translocation or phosphorylation and suppresses the non-genomic pathway via its unique functional domain to inactivate c-Src. Also, DAB2IP is capable of suppressing AR activation in an androgen-independent manner. In addition, DAB2IP can inhibit several AR splice variants showing constitutive activity in PCa cells. In DAB2IP(-/-) mice, the prostate gland exhibits hyperplastic epithelia, in which AR becomes more active. Consistently, DAB2IP expression inversely correlates with AR activation status particularly in recurrent or metastatic PCa patients. Taken together, DAB2IP is a unique intrinsic AR modulator in normal cells, and likely can be further developed into a therapeutic agent for PCa.
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Duan L, You Q, Chen X, Wang H, Zhang H, Xie D, Xu X, Jiang G. Outcome and prognosis for patients younger than thirty with primary lung cancer. MINERVA CHIR 2013; 68:175-182. [PMID: 23612231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
AIM Aim of the present study was to investigate the clinical and pathological features of surgical treatment for primary bronchogenic carcinoma in adolescent patients. PATIENTS We retrospectively reviewed the clinico-pathological records documenting surgical outcomes and prognostic factors in 68 lung cancer patients aged less than 30 years old enrolled in our hospital between March 1980 and December 2009. RESULTS Sixty-eight patients were identified (38 male, 30 female) with a mean age of 22±5 years (range 8 to 29 years). Preoperative clinical manifestations were present in 82.4% (56/68) of the patients and 26.5% (16/68) of patients were initially misdiagnosed. Fifty-two patients had undergone radical surgery, 4 palliative surgery, 9 had exploratory thoracotomies, and 3 had thoracoscopic lung biopsies. Eight patients were classified (TNM) stage Ia, 7 stage Ib, 9 stage IIa, 13 stage IIb, 17 stage IIIa, 10 stage IIIb, and 4 stage IV. Postoperative atelectasis was observed in 4.41% (3/68) of the patients, and 1.47% (1/68) died of respiratory failure 5 days after exploratory thoracotomy. The overall 5-year survival rate in very young people was 31%, while those who underwent radical surgery was slightly higher at 36.7%. Five-year survival rates were correlated with the surgical procedures and pTNM stage (P <0.05). Multivariate analysis indicated that the TNM stage is the only independent prognostic factor (P=0.000). CONCLUSION We conclude that radical surgeries, the predominant comprehensive therapies are the best choice for primary lung cancer patients younger than 30 years of age.
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Zhong R, Liu L, Zou L, Sheng W, Zhu B, Xiang H, Chen W, Chen J, Rui R, Zheng X, Yin J, Duan S, Yang B, Sun J, Lou J, Liu L, Xie D, Xu Y, Nie S, Miao X. Genetic variations in the TGF signaling pathway, smoking and risk of colorectal cancer in a Chinese population. Carcinogenesis 2012; 34:936-42. [DOI: 10.1093/carcin/bgs395] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
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79
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Polanco VDP, Branas CC, Soto VAL, Xie D. The relationship between violence and mental illnesses in Guatemala. Inj Prev 2012. [DOI: 10.1136/injuryprev-2012-040590j.14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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80
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Xie D, Baerlocher C, McCusker LB. The two-dimensional XPD charge-flipping method for structure solution from powder diffraction data. Acta Crystallogr A 2012. [DOI: 10.1107/s0108767312097619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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81
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Zhan X, Zhang R, Xu Y, Yang S, Xie D, Tan L. Empirical studies about quercetin increasing chemosensitivity on human lung adenocarcinoma cell line A549. ACTA ACUST UNITED AC 2012. [DOI: 10.1007/s10330-012-0998-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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82
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Li Y, Shi S, Yang F, Gao J, Li Y, Tao M, Wang G, Zhang K, Gao C, Liu L, Li K, Li K, Liu Y, Wang X, Zhang J, Lv L, Wang X, Chen Q, Hu J, Sun L, Shi J, Chen Y, Xie D, Flint J, Kendler KS, Zhang Z. Patterns of co-morbidity with anxiety disorders in Chinese women with recurrent major depression. Psychol Med 2012; 42:1239-1248. [PMID: 22126712 PMCID: PMC3339636 DOI: 10.1017/s003329171100273x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2011] [Revised: 10/17/2011] [Accepted: 10/31/2011] [Indexed: 12/03/2022]
Abstract
BACKGROUND Studies conducted in Europe and the USA have shown that co-morbidity between major depressive disorder (MDD) and anxiety disorders is associated with various MDD-related features, including clinical symptoms, degree of familial aggregation and socio-economic status. However, few studies have investigated whether these patterns of association vary across different co-morbid anxiety disorders. Here, using a large cohort of Chinese women with recurrent MDD, we examine the prevalence and associated clinical features of co-morbid anxiety disorders. METHOD A total of 1970 female Chinese MDD patients with or without seven co-morbid anxiety disorders [including generalized anxiety disorder (GAD), panic disorder, and five phobia subtypes] were ascertained in the CONVERGE study. Generalized linear models were used to model association between co-morbid anxiety disorders and various MDD features. RESULTS The lifetime prevalence rate for any type of co-morbid anxiety disorder is 60.2%. Panic and social phobia significantly predict an increased family history of MDD. GAD and animal phobia predict an earlier onset of MDD and a higher number of MDD episodes, respectively. Panic and GAD predict a higher number of DSM-IV diagnostic criteria. GAD and blood-injury phobia are both significantly associated with suicidal attempt with opposite effects. All seven co-morbid anxiety disorders predict higher neuroticism. CONCLUSIONS Patterns of co-morbidity between MDD and anxiety are consistent with findings from the US and European studies; the seven co-morbid anxiety disorders are heterogeneous when tested for association with various MDD features.
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Wang G, Culbertson BM, Xie D, Seghi RR. EFFECT OF FLUORINATED TRIETHYLENE GLYCOL DIMETHACRYLATE ON THE PROPERTIES OF UNFILLED, LIGHT-CURED DENTAL RESINS. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2012. [DOI: 10.1080/10601325.1999.10504906] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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84
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Xie D, Li J, Wang ZX, Cao J, Li TT, Chen JL, Chen YX. Effects of monochromatic light on mucosal mechanical and immunological barriers in the small intestine of broilers. Poult Sci 2012; 90:2697-704. [PMID: 22080006 DOI: 10.3382/ps.2011-01416] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Our previous studies demonstrated that green and blue monochromatic lights were effective to stimulate immune response of the spleen in broilers. This study was designed to investigate the effects of monochromatic light on both gut mucosal mechanical and immunological barriers. A total of 120 Arbor Acre male broilers on post-hatching day (P) 0 were exposed to red light, green light (GL), blue light (BL), and white light (WL) for 49 d, respectively. As compared with broilers exposed to WL, the broilers exposed to GL showed that the villus height of small intestine was increased by 19.5% (P = 0.0205) and 38.8% (P = 0.0149), the crypt depth of small intestine was decreased by 15.1% (P = 0.0049) and 10.1% (P = 0.0005), and the ratios of villus height to crypt depth were increased by 39.3% (P < 0.0001) and 52.5% (P < 0.0001) at P7 and P21, respectively. Until P49, an increased villus height (33.6%, P = 0.0076), a decreased crypt depth (15.4%, P = 0.0201), and an increased villus height-to-crypt depth ratio (58.5%, P < 0.0001) were observed in the BL group as compared with the WL group. On the other hand, the numbers of intestinal intraepithelial lymphocytes (27.9%, P < 0.0001 and 37.0%, P < 0.0001), goblet cells (GC, 22.1%, P < 0.0001 and 18.1%, P < 0.0001), and IgA(+) cells (14.8%, P = 0.0543 and 47.9%, P = 0.0377) in the small intestine were significantly increased in the GL group as compared with the WL group at P7 and P21, respectively. The numbers of intestinal intraepithelial lymphocytes (36.2%, P < 0.0001), GC (26.5%, P < 0.0001), and IgA(+) cells (68.0%, P = 0.0177) in the BL group were also higher than those in the WL group at P49. These results suggest that both mucosal mechanical and immunological barriers of the small intestine may be improved by rearing broilers under GL at an early age and under BL at an older age.
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85
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Hu P, Lai R, Xie D. Gentamicin affects connexin 26 expression in the cochlear lateral wall. B-ENT 2012; 8:77-84. [PMID: 22896926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2023] Open
Abstract
OBJECTIVES/HYPOTHESIS Aminoglycosides may decrease the expression of some proteins participating in ion-exchange in the cochlear lateral wall. Connexin 26 expression in the lateral wall may play a role in acquired hearing loss by maintaining the endocochlear potential and potassium concentration in the endolymph. We examined the effects of gentamicin on the expression of connexin 26 to obtain a better understanding of aminoglycoside ototoxicity. METHODS We detected changes in connexin 26 protein and mRNA expression in the cochlear lateral wall using immunohistochemistry staining, western blotting, and real-time PCR in rats after administration of a single dose of gentamicin. RESULTS The expression of connexin 26 increased over time in type III fibrocytes after gentamicin administration. Elevated protein levels were detected 3 h after the single injection of gentamicin; while, mRNA levels increased after 24 h. CONCLUSION Connexin 26 plays an important role in the acute effects of high-dose gentamicin and is probably involved in the pathogenesis of ototoxic deafness.
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Muckelbauer J, Sack JS, Ahmed N, Burke J, Chang CY, Gao M, Tino J, Xie D, Tebben AJ. X-ray crystal structure of Tec family kinase BMX. Acta Crystallogr A 2011. [DOI: 10.1107/s0108767311092567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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87
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Xie D, Baerlocher C, McCusker LB. Detour into two dimensions: a new method for powder structure solution. Acta Crystallogr A 2011. [DOI: 10.1107/s0108767311082833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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88
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Zhang B, Qian D, Ma HH, Jin R, Yang PX, Cai MY, Liu YH, Liao YJ, Deng HX, Mai SJ, Zhang H, Zeng YX, Lin MC, Kung HF, Xie D, Huang JJ. Anthracyclines disrupt telomere maintenance by telomerase through inducing PinX1 ubiquitination and degradation. Oncogene 2011; 31:1-12. [PMID: 21643006 DOI: 10.1038/onc.2011.214] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Telomere maintenance is essential for cancer growth. Induction of telomere dysfunction, for example, by inhibition of telomeric proteins or telomerase, has been shown to strongly enhance cancer cells' sensitivity to chemotherapies. However, it is not clear whether modulations of telomere maintenance constitute cancer cellular responses to chemotherapies. Furthermore, the manner in which anti-cancer drugs affect telomere function remains unknown. In this study, we show that anthracyclines, a class of anti-cancer drugs widely used in clinical cancer treatments, have an active role in triggering telomere dysfunction specifically in telomerase-positive cancer cells. Anthracyclines interrupt telomere maintenance by telomerase through the downregulation of PinX1, a protein factor responsible for targeting telomerase onto telomeres, thereby inhibiting telomerase association with telomeres. We further demonstrate that anthracyclines downregulate PinX1 by inducing this protein degradation through the ubiquitin-proteasome-dependent pathway. Our data not only reveal a novel action for anthracyclines as telomerase functional inhibitors but also provide a clue for the development of novel anti-cancer drugs based on telomerase/telomere targeting, which is actively investigated by many current studies.
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Ma W, Xie D, Chen D, Yang Q, Jiang Z, Zhang Y, Zhou S. Preliminary in vitro study of MUC1-ETR/pDC316 vector-mediated specific MR imaging of pancreatic cancer. J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.15_suppl.e14517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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90
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Jin GQ, Su DK, Xie D, Zhao W, Liu LD, Zhu XN. Distinguishing benign from malignant parotid gland tumours: low-dose multi-phasic CT protocol with 5-minute delay. Eur Radiol 2011; 21:1692-8. [PMID: 21547526 PMCID: PMC3128264 DOI: 10.1007/s00330-011-2101-y] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2010] [Revised: 02/12/2011] [Accepted: 02/18/2011] [Indexed: 12/13/2022]
Abstract
Objectives To explore the percentage enhancement wash-out ratio (PEW) and relative PEW (RPEW) of low-dose multi-phasic computed tomography (CT) in distinguishing benign from malignant parotid gland tumours. Methods This study was approved by the ethics committee, and informed patient consent was obtained. 51 patients with parotid tumours proven by histopathology received CT, including 18 with pleomorphic adenomas, 14 with Warthin’s tumours and 19 with malignant tumours. Size and attenuation of parotid tumours were measured. Compared with 5-min attenuation, the 30-s and 90-s PEW (PEW30, PEW90) and RPEW (RPEW30, RPEW90) were calculated. Results There was a significant difference in PEW30, RPEW30, PEW90 and RPEW90 in the parotid neoplasms groups (P < 0.01), and statistical significance existed simultaneously in pleomorphic adenomas vs malignant tumours and Warthin’s tumours vs malignant tumours according to SNK-q test. The optimal diagnosis results of malignancy with 100% specificity (32/32) was obtained by using a combination of the following criteria: −70% > PEW30 < 36%, −30% > PEW30 < 19%, PEW90 > 12%, and the sensitivity (74%) for diagnosis of malignancy was yield. Conclusions Wash-out ratio may assist in differentiating the benign from malignant parotid gland tumours. Combining the percentage of enhanced wash-out ratios of CT protocols can yield diagnostic results for malignancy.
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Xie D, Cai J, Zhong Y. e0330 One case of severe tirofiban-induced thrombocytopaenia after the emergency PCI. BRITISH HEART JOURNAL 2010. [DOI: 10.1136/hrt.2010.208967.330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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92
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He LR, Zhao HY, Li BK, Zhang LJ, Liu MZ, Kung HF, Guan XY, Bian XW, Zeng YX, Xie D. Overexpression of AIB1 negatively affects survival of surgically resected non-small-cell lung cancer patients. Ann Oncol 2010; 21:1675-1681. [DOI: 10.1093/annonc/mdp592] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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93
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Lu Y, Xie D, Huang W, Gong H, Yu J. 18F-FDG PET/CT in the evaluation of adrenal masses in lung cancer patients. Neoplasma 2010; 57:129-34. [DOI: 10.4149/neo_2010_02_129] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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94
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Zhu C, Qin YR, Xie D, Chua DTT, Fung JM, Chen L, Fu L, Hu L, Guan XY. Characterization of tumor suppressive function of P300/CBP-associated factor at frequently deleted region 3p24 in esophageal squamous cell carcinoma. Oncogene 2009; 28:2821-8. [DOI: 10.1038/onc.2009.137] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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95
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Xie D, Mattusch J, Wennrich R. Separation of Organoarsenicals by Means of Zwitterionic Hydrophilic Interaction Chromatography (ZIC®-HILIC) and Parallel ICP-MS/ESI-MS Detection. Eng Life Sci 2008. [DOI: 10.1002/elsc.200800041] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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96
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Pollack KM, Xie D, Arbogast KB, Durbin DR. Body mass index and injury risk among US children 9-15 years old in motor vehicle crashes. Inj Prev 2008; 14:366-71. [DOI: 10.1136/ip.2008.019208] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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97
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Sun ZJ, Wang Y, Cai Z, Chen PP, Tong XJ, Xie D. Involvement of Cyr61 in growth, migration, and metastasis of prostate cancer cells. Br J Cancer 2008; 99:1656-67. [PMID: 18941464 PMCID: PMC2584944 DOI: 10.1038/sj.bjc.6604712] [Citation(s) in RCA: 74] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Cyr61 has been reported to participate in the development and progression of various cancers; however, its role in prostate cancer (PCa) still remains poorly understood. In this study, we explored the function of Cyr61 in a series of malignant PCa cell lines, including LnCap, Du145, and PC3. 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) and crystal violet assays demonstrated that Cyr61 was essential for the proliferation of PCa cells. Soft agar assay and xenograft analysis showed that downregulation of Cyr61 suppressed the tumorigenicity of Du145 cells both in vitro and in vivo. Either silencing the cellular Cyr61 by RNA interference or neutralising the endogenous Cyr61 by antibody inhibited the migration of Du145 cells. In contrast, purified protein of Cyr61 promoted the migration of LnCap cells in a dose-dependent manner. These results suggested that Cyr61 was involved in the migration of PCa cells. We also observed the accumulation of mature focal adhesion complexes associated with the impaired migration through Cyr61 downregulation. Also, further studies showed that Cyr61 regulated the level of activated Rac1 as well as its downstream targets, including phosphorylated JNK, E-cadherin, and p27kip1, which are key molecules involved in cell growth, migration, and invasion. The in vivo mouse tail vein injection experiment revealed that Cyr61 affected the metastatic capacity of Du145 cells, suggesting that Cyr61 was required for prostate tumour metastasis. Altogether, our results demonstrated that Cyr61 played an important role in the tumorigenicity and metastasis of PCa cells, which will benefit the development of therapeutic strategy for PCas.
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Xie D, Wang Z, Dong Y, Cao J, Wang J, Chen J, Chen Y. Erratum to “Effects of Monochromatic Light on Immune Response of Broilers” (Poult Sci. 87:1535–1539). Poult Sci 2008. [DOI: 10.3382/ps.2008-87-10-2174] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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99
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Xie D, Wang Z, Cao J, Dong Y, Chen Y. Effects of Monochromatic Light on Proliferation Response of Splencyte in Broilers. Anat Histol Embryol 2008; 37:332-7. [DOI: 10.1111/j.1439-0264.2008.00849.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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100
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Wolf M, Johnson R, Xie D, Avrutskaya A, Mullin R, Godfrey B, Scott I. 449 POSTER In vivo evaluation of ALB 109564, a novel tubulin inhibitor with improved efficacy over existing members of the Vinca alkaloid class. EJC Suppl 2008. [DOI: 10.1016/s1359-6349(08)72383-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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