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https://www.readbyqxmd.com/read/28229220/overexpression-of-hepacam-inhibits-bladder-cancer-cell-proliferation-and-viability-through-the-akt-foxo-pathway
#1
Min Tang, Yan Zhao, Nanjing Liu, E Chen, Zhen Quan, Xiaohou Wu, Chunli Luo
PURPOSE: HepaCAM, an N-linked glycoprotein that encodes a member of the immunoglobulin superfamily, has been reported to be a tumor suppressor gene that mediates diverse cellular bio-functions. Recent studies have shown that the FoxO transcription factors play a pivotal role during cancer progression. Here, we explored the correlation between HepaCAM and the FoxO family via regulation of the PI3K/AKT pathway. METHODS: HepaCAM and FoxO3 expression were detected by immunohistochemistry staining...
February 22, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28228601/loss-of-tumor-suppressor-kdm6a-amplifies-prc2-regulated-transcriptional-repression-in-bladder-cancer-and-can-be-targeted-through-inhibition-of-ezh2
#2
Lian Dee Ler, Sujoy Ghosh, Xiaoran Chai, Aye Aye Thike, Hong Lee Heng, Ee Yan Siew, Sucharita Dey, Liang Kai Koh, Jing Quan Lim, Weng Khong Lim, Swe Swe Myint, Jia Liang Loh, Pauline Ong, Xin Xiu Sam, Dachuan Huang, Tony Lim, Puay Hoon Tan, Sanjanaa Nagarajan, Christopher Wai Sam Cheng, Henry Ho, Lay Guat Ng, John Yuen, Po-Hung Lin, Cheng-Keng Chuang, Ying-Hsu Chang, Wen-Hui Weng, Steven G Rozen, Patrick Tan, Caretha L Creasy, See-Tong Pang, Michael T McCabe, Song Ling Poon, Bin Tean Teh
Trithorax-like group complex containing KDM6A acts antagonistically to Polycomb-repressive complex 2 (PRC2) containing EZH2 in maintaining the dynamics of the repression and activation of gene expression through H3K27 methylation. In urothelial bladder carcinoma, KDM6A (a H3K27 demethylase) is frequently mutated, but its functional consequences and therapeutic targetability remain unknown. About 70% of KDM6A mutations resulted in a total loss of expression and a consequent loss of demethylase function in this cancer type...
February 22, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28225635/role-of-imaging-in-the-local-staging-of-urothelial-carcinoma-of-the-bladder
#3
Chau Hung Lee, Cher Heng Tan, Silvana de Castro Faria, Vikas Kundra
OBJECTIVE: The purpose of this article is to review imaging modalities used in local staging of bladder urothelial carcinoma. CONCLUSION: Urothelial carcinoma is the most common histologic subtype of bladder cancer, and accurate local staging of this tumor is crucial for management. Traditionally, local staging relied on biopsy. With increasing accuracy of imaging modalities and techniques, imaging also plays an important role in the multidisciplinary care of patients with this disease...
February 22, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28223825/usp21-promotes-cell-proliferation-and-metastasis-through-suppressing-ezh2-ubiquitination-in-bladder-carcinoma
#4
Yong Chen, Bo Zhou, Daihui Chen
Bladder cancer (BC) is the second most common malignant tumor of the urinary tract in the world. In this study, we found that ubiquitin-specific protease (USP21) was upregulated in BC and the ectopic expression of USP21 was closely associated with tumor size and metastasis. Moreover, patients with higher levels of USP21 had poorer survival rate. Multiple function analysis such as CCK-8, colony formation, wound healing, and transwell analysis indicated that USP21 regulated cell proliferation and metastasis in bladder carcinoma cell lines...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28223425/role-of-stat3-and-foxo1-in-the-divergent-therapeutic-responses-of-non-metastatic-and-metastatic-bladder-cancer-cells-to-mir-145
#5
Guosong Jiang, Chao Huang, Jingxia Li, Haishan Huang, Honglei Jin, Junlan Zhu, Xue-Ru Wu, Chuanshu Huang
Although miR-145 is the most frequently down-regulated miRNA in bladder cancer (BC), its exact stage-association and downstream effector have not been defined. Here, we found that miR-145 was upregulated in human BC patients with lymph node metastasis and in metastatic T24T cell line. Forced expression of miR-145 promoted anchorage-independent growth of T24T cells accompanied by the down-regulation of forkhead box class O1 (FOXO1). In contrast, in non-metastatic T24 cells, miR-145 overexpression inhibited cell growth with upregulation of FOXO1 and the knockdown of FOXO1 abolished the miR-145-mediated inhibition of cell growth...
February 21, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28222670/microrna-223-3p-inhibits-human-bladder-cancer-cell-migration-and-invasion
#6
Ju Guo, Runfu Cao, Xingwei Yu, Zewen Xiao, Zhiwen Chen
The regulation of initiation and progression during carcinogenesis of bladder carcinoma is not completely elucidated. Dysregulation of microRNAs has been detected to play critical roles in the development of various cancers, including bladder carcinoma, whereas the involvement of miR-223-3p in the tumorigenesis of bladder carcinoma has not been studied. Here, we show that significantly higher levels of nuclear receptor coactivator 1 and significantly lower levels of miR-223-3p were detected in bladder carcinoma tissue, compared to the adjacent non-tumor tissue...
February 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28222669/downregulated-xpa-promotes-carcinogenesis-of-bladder-cancer-via-impairment-of-dna-repair
#7
Yi Zhi, Huixiang Ji, Jinhong Pan, Peng He, Xiaozhou Zhou, Heng Zhang, Zhansong Zhou, Zhiwen Chen
Bladder cancer is the most common malignant tumor of urinary system, largely resulting from failure of repair of DNA damage to the environmental insults. The function of XPA in nucleotide excision repair pathway has been well documented. However, participation of XPA in the repair of DNA double-strand break remains unknown. Here, we reported that bladder cancer expressed low XPA levels compared to adjacent non-tumor bladder tissue, and this phenotype was closely associated with chromosomal aberrations. Moreover, downregulated XPA appeared to increase incidence of chromosome aberration...
February 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28222323/a-case-report-of-the-clear-cell-variant-of-gallbladder-carcinoma
#8
Ravi Maharaj, Christo Cave, Kevin Sarran, Nigel Bascombe, Dilip Dan, Wesley Greaves, Wayne A Warner
INTRODUCTION: Clear cell gallbladder carcinoma accounts for less than 1% of all gallbladder malignancies and demonstrates its unique histopathological characteristics in patients with no prior medical illness or familial predisposition. PRESENTATION OF CASE: Here we present a case of a 56-year-old female, with no prior medical conditions presented with a 2-month history of upper abdominal pain. Routine hematological and biochemical tests were unremarkable. An abdominal ultrasound revealed the presence of a gallbladder calculi, and a fundic mass while magnetic resonance cholangiopancreatography revealed a 8...
January 12, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28218662/microrna-expression-profile-identifies-high-grade-non-muscle-invasive-bladder-tumors-at-elevated-risk-to-progress-to-an-invasive-phenotype
#9
Sara M Lenherr, Sheaumei Tsai, Brasil Silva Neto, Travis B Sullivan, Cara B Cimmino, Tanya Logvinenko, Jason Gee, Wei Huang, John A Libertino, Ian C Summerhayes, Kimberly M Rieger-Christ
The objective of this study was to identify a panel of microRNAs (miRNAs) differentially expressed in high-grade non-muscle invasive (NMI; TaG3-T1G3) urothelial carcinoma that progress to muscle-invasive disease compared to those that remain non-muscle invasive, whether recurrence happens or not. Eighty-nine high-grade NMI urothelial carcinoma lesions were identified and total RNA was extracted from paraffin-embedded tissue. Patients were categorized as either having a non-muscle invasive lesion with no evidence of progression over a 3-year period or as having a similar lesion showing progression to muscle invasion over the same period...
February 17, 2017: Genes
https://www.readbyqxmd.com/read/28218036/chemopreventive-effect-of-omega-3-polyunsaturated-fatty-acids-and-atorvastatin-in-rats-with-bladder-cancer
#10
Nahla E El-Ashmawy, Eman G Khedr, Hoda A El-Bahrawy, Samar M Al-Tantawy
Bladder cancer remains a huge concern for the medical community because of its incidence and prevalence rates, as well as high percentage of recurrence and progression. Omega-3 polyunsaturated fatty acids and atorvastatin proved anti-inflammatory effects through peroxisome proliferator-activated receptor gamma mechanism. However, their chemopreventive effect still remained to be examined and clarified. In this study, bladder cancer was induced in rats by the chemical carcinogen N-butyl-N-(4-hydroxybutyl)nitrosamine...
February 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28217972/clinical-outcome-of-partial-cystectomy-for-transitional-cell-carcinoma-of-the-canine-bladder
#11
S J Marvel, B Séguin, D D Dailey, D H Thamm
Canine transitional cell carcinoma (TCC) of the bladder has historically been treated with a combination of chemotherapy, cyclooxygenase inhibitors and radiation therapy. While surgery has been used to treat TCC of the bladder, its efficacy has yet to be established. Thirty-seven client owned dogs that underwent partial cystectomy +/- various nonsurgical treatments for TCC were retrospectively evaluated. The overall median progression-free interval (PFI) was 235 days and the median survival time (ST) was 348 days...
February 20, 2017: Veterinary and Comparative Oncology
https://www.readbyqxmd.com/read/28217825/preoperative-prediction-of-muscular-invasiveness-of-bladder-cancer-with-radiomic-features-on-conventional-mri-and-its-high-order-derivative-maps
#12
Xiaopan Xu, Yang Liu, Xi Zhang, Qiang Tian, Yuxia Wu, Guopeng Zhang, Jiang Meng, Zengyue Yang, Hongbing Lu
PURPOSE: To determine radiomic features which are capable of reflecting muscular invasiveness of bladder cancer (BC) and propose a non-invasive strategy for the differentiation of muscular invasiveness preoperatively. METHODS: Sixty-eight patients with clinicopathologically confirmed BC were included in this retrospective study. A total of 118 cancerous volumes of interest (VOI) were segmented from patients' T2 weighted MR images (T2WI), including 34 non-muscle invasive bladder carcinomas (NMIBCs, stage <T2) and 84 muscle invasive ones (MIBCs, stage ≥T2)...
February 20, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28217578/urinary-tract-cancers-an-overview-for-general-practice
#13
REVIEW
Julian P Yaxley
Urinary tract cancers are common and comprise a gamut of lesions ranging from small benign tumors to aggressive neoplasms with high mortality. The predominant urinary tract malignancy is bladder cancer. The clinical challenge is early detection and adequate follow-up because recurrence is high and delayed diagnosis is associated with poor prognosis. Primary care physicians form a key part of the management apparatus for these patients and may be responsible for ensuring adequate ongoing surveillance. This article aims to outline the evaluation of patients in whom urinary tract cancer is suspected and briefly review the general principles of treatment...
July 2016: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/28216936/seminoma-of-undescended-testis-with-urinary-bladder-metastasis-a-case-report-with-review-of-literature
#14
Syed Althaf, Kiran Shankar, Vishnu Kurpad, M N Suma
Cryptorchidism is the most common predisposing factor in the development of testicular germ cell tumors. Seminoma is the most common malignancy developing in a cryptorchid testis, usually has lymphatic but rarely hematogenous metastasis. The Urinary Bladder is an extremely rare site of metastasis of seminoma metastasis. A 29-year-old male patient presented to us with a history of infertility and an intra-abdominal mass. He was investigated and treated and was found to have an intra-abdominal seminoma with synchronous urinary bladder metastasis...
January 2017: Urology Annals
https://www.readbyqxmd.com/read/28214651/a-review-on-the-evolution-of-pd-1-pd-l1-immunotherapy-for-bladder-cancer-the-future-is-now
#15
REVIEW
Joaquin Bellmunt, Thomas Powles, Nicholas J Vogelzang
The treatment of bladder cancer has evolved over time to encompass not only the traditional modalities of chemotherapy and surgery, but has been particularly impacted by the use of immunotherapy. The first immunotherapy was the live, attenuated bacterial Bacillus Calmette-Guérin vaccine, which has been the standard of care non-muscle-invasive bladder cancer since 1990. Modern immunotherapy has focused on inhibitors of checkpoint proteins, which are molecules that impede immune function, thereby allowing tumor cells to grow and proliferate unregulated...
February 2, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28214573/digital-mapping-of-the-urinary-bladder-potential-for-standardized-cystoscopy-reports
#16
M C Kriegmair, T Bergen, M Ritter, P Mandel, M S Michel, T Wittenberg, C Bolenz
OBJECTIVE: To develop a standardized digital reporting tool for cystoscopy of the urinary bladder using panoramic imaging. MATERIALS & METHODS: An image processing and stitching software (Endorama(®)) was developed to generate panoramic images from cystoscopy data. In a processing phase, algorithms were modulated and refined by reference to cystoscopy sequences (n=30). Subsequently, standard systematic cystoscopies (n=12) were recorded in patients undergoing transurethral resection of a bladder tumor in order to create panoramic images...
February 15, 2017: Urology
https://www.readbyqxmd.com/read/28214470/myopericytoma-in-urinary-bladder-a-case-report
#17
Takahiro Nagai, Toshio Kamimura, Kaoru Itou, Masato Fujii, Hiromasa Tsukino, Shoichiro Mukai, Yutaka Akiyama, Hiroaki Kataoka, Toshiyuki Kamoto
BACKGROUND: Myopericytoma is reported to occur mainly in the skin and superficial soft tissue of the extremities. In contrast, occurrence in the urinary bladder is extremely rare. CASE PRESENTATION: We describe a 75-year-old Japanese man who developed a submucosal tumor at the right trigone of his bladder that led to interference with the discharge of right ureteral calculus. No invasive growth was observed by magnetic resonance imaging. Transurethral resection was successfully performed; histopathological analysis revealed perivascular proliferation of spindle-shaped to oval-shaped, cytologically bland tumor cells with eosinophilic cytoplasm...
February 19, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28214283/prognostic-role-of-n-cadherin-expression-in-patients-with-non-muscle-invasive-bladder-cancer
#18
Mohammad Abufaraj, Shahrokh F Shariat, Andrea Haitel, Marco Moschini, Beat Foerster, Piotr Chłosta, Kilian Gust, Marek Babjuk, Alberto Briganti, Pierre I Karakiewicz, Walter Albrecht
PURPOSE: To assess the role of N-cadherin as a prognostic biomarker in patients with non-muscle-invasive bladder cancer (NMIBC) treated with transurethral resection with or without adjuvant intravesical therapy. PATIENTS AND METHODS: Immunohistochemistry using monoclonal mouse antibody was used to evaluate the expression status of N-cadherin in 827 patients with NMIBC. N-cadherin was considered positive if any immunoreactivity with membranous staining was detected...
February 14, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28214212/primary-multiple-tumor-with-affection-of-the-thyroid-gland-uterus-urinary-bladder-mammary-gland-and-other-organs
#19
А Romaniuk, M Lyndin, V Smiyanov, Vl Sikora, A Rieznik, Y Kuzenko, H Budko, Yu Moskalenko, L Karpenko, Vol Sikora, O Gladchenko
BACKGROUND: Nowadays multiple primary tumor is characterized by growth and development of two or more tumors in one patient. The total world sickness rate ranges from 1% to 37%. The presence of four or more tumors in one patient is rare case and presented as casuistry. CASE PRESENTATION: We showed a case of multiple primary tumor with metahronic lesion of the thyroid, uterus and breast, followed by synchronous benign tumors of the subcutaneous fat, urinary bladder and gallbladder were considered...
January 19, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28213097/self-assembled-tumor-targeting-hyaluronic-acid-nanoparticles-for-photothermal-ablation-in-orthotopic-bladder-cancer
#20
Tingsheng Lin, Ahu Yuan, Xiaozhi Zhao, Huibo Lian, Junlong Zhuang, Wei Chen, Qing Zhang, Guangxiang Liu, Shiwei Zhang, Wei Chen, Wenmin Cao, Chengwei Zhang, Jinhui Wu, Yiqiao Hu, Hongqian Guo
: Bladder cancer is one of the most frequent malignancies in the urinary system. Radical cystectomy is inevitable when bladder cancer progresses to a muscle-invasive disease. However, cystectomy still causes a high risk of death and a low quality of life (such as ureter-abdomen ostomy, uroclepsia for ileal-colon neobladder). Therefore, more effective treatments as well as bladder preservation are needed. We developed self-assembled tumor-targeting hyaluronic acid-IR-780 nanoparticles for photothermal ablation in over-expressing CD44 (the receptor for HA) bladder cancer, which show high tumor selectivity, high treatment efficacy, good bioavailability, and excellent biocompatibility...
February 14, 2017: Acta Biomaterialia
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