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https://www.readbyqxmd.com/read/29159872/the-dark-side-of-glucose-transporters-in-prostate-cancer-are-they-a-new-feature-to-characterize-carcinomas
#1
REVIEW
Pedro Gonzalez-Menendez, David Hevia, Juan C Mayo, Rosa M Sainz
One of the hallmarks of cancer cells is the increased ability to acquire nutrients, particularly glucose and glutamine. Proliferating cells need precursors for cell growth and NADPH reducing equivalents for survival. The principal responsible for glucose uptake is facilitative glucose transporters (GLUTs), which usually are overexpressed in cancer cells. Besides their role in glucose uptake, GLUT transporters are able to transport other compounds such as dehydroascorbic acid or uric acid. They play a major role in tumor progression and cellular processes such as regulated cell death...
November 21, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29158932/gastric-and-rectal-metastases-from-malignant-melanoma-presenting-with-hypochromic-anemia-and-treated-with-immunotherapy
#2
Pietro Genova, Maria Sorce, Daniela Cabibi, Gaspare Genova, Vittorio Gebbia, Daniela Galanti, Chiara Ancona, Maria Rosaria Valerio
The authors present a case of an 80-year-old Caucasian male with multiple gastric and rectal metastases from malignant melanoma presenting with hypochromic anemia as the sole symptom of disease without evidence of cutaneous and ocular tumor localization. The patient had a medical history positive for malignant lentigo melanoma of the occipital region of the scalp and early stage laryngeal squamous cell carcinoma and prostatic carcinoma treated with radiation therapy. The authors make some considerations on intestinal involvement by metastatic melanoma and discuss the choice of not treating with endoscopic procedures the gastric metastatic lesions most likely responsible for the clinical sign present at diagnosis...
2017: Case Reports in Oncological Medicine
https://www.readbyqxmd.com/read/29158807/the-prognostic-value-of-peripheral-benzodiazepine-receptor-in-patients-with-esophageal-squamous-cell-carcinoma
#3
You-Fang Chen, Jing-Dun Xie, Yu-Chuan Jiang, Dong-Tai Chen, Jia-Hao Pan, Yong-Hua Chen, Yun-Fei Yuan, Zhe-Sheng Wen, Wei-An Zeng
Background: The peripheral benzodiazepine receptor (PBR) has previously been reported as an oncogene in prostate, breast and colorectal cancers, but its prognostic value, biological behavior and function in esophageal squamous cell carcinoma (ESCC) has not been investigated. Methods: qRT-PCR, western blotting and immunohistochemistry (IHC) were used to detect PBR expression in ESCC and matched non-cancerous tissues. Based on all of the significantly independent factors, a nomogram was established to predict the prognosis of ESCC patients...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/29156763/elas1-induces-apoptotic-death-in-adenocarcinoma-du145-and-squamous-cell-carcinoma-sas-cancer-cells-but-not-in-normal-kd-cells
#4
Toshihiro Uchihashi, Kaori Ota, Yusuke Yabuno, Shouichi Ohno, Kohshiro Fukushima, Yoko Naito, Mikihiko Kogo, Norikazu Yabuta, Hiroshi Nojima
We previously reported that an ELAS1 peptide containing 29 amino acids induces apoptotic death in U2OS human osteosarcoma cells following DNA double-strand break insults. Here, we show that ELAS1 also caused apoptosis in prostate adenocarcinoma DU145 cells and tongue squamous-cell carcinoma SAS cells. ELAS1 appears to be safe because it induced apoptosis only in cancer cells, not in normal KD cells. Because the effect of ELAS1 is dependent on increased stability of p53 and enhanced phosphorylation of p53-S46, we exogenously expressed wild-type p53 protein to fully promote ELAS1-mediated induction of apoptosis in SAS cells...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156750/somatic-mutations-in-cdh1-and-ctnnb1-in-primary-carcinomas-at-13-anatomic-sites
#5
Evan L Busch, Jason L Hornick, Renato Umeton, Adem Albayrak, Neal I Lindeman, Laura E MacConaill, Elizabeth P Garcia, Matthew Ducar, Timothy R Rebbeck
Metastases are involved in most cancer deaths. Evidence has suggested that cancer cell detachment from primary tumors might occur largely via the mechanism of epithelial-mesenchymal transition (EMT) activated by epigenetic events, but data addressing other possible triggers of detachment, particularly genetic mutations, have been limited. Using the Profile study of cancer genomics at Dana-Farber Cancer Institute, we examined somatic mutations in the EMT genes CDH1 in 5,106 primary carcinomas and CTNNB1 in 7,578 primary carcinomas across 13 anatomic sites: urinary bladder, breast, colon/rectum, endometrium, esophagus, kidney, lung, ovary, pancreas, prostate, skin (non-melanoma), stomach, and thyroid...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29151366/the-150-most-important-questions-in-cancer-research-and-clinical-oncology-series-questions-76-85-edited-by-chinese-journal-of-cancer
#6
EDITORIAL
(no author information available yet)
Since the beginning of 2017, Chinese Journal of Cancer has published a series of important questions in cancer research and clinical oncology to promote cancer research and accelerate collaborations. In this article, 10 questions are presented as followed. Question 76. How to develop effective therapeutics for cancer cachexia? Question 77. How can we develop preclinical animal models to recapitulate clinical situations of cancer patients for more effective anti-cancer drug development? Question 78. How can we develop novel effective therapeutics for pancreatic cancer and hepatocellular carcinoma? Question 79...
November 20, 2017: Chinese Journal of Cancer
https://www.readbyqxmd.com/read/29150959/nono-ubiquitination-is-mediated-by-fbw7-and-gsk3-%C3%AE-via-a-degron-lost-upon-chromosomal-rearrangement-in-cancer
#7
Luigi Alfano, Antonella Caporaso, Angela Altieri, Caterina Costa, Iris M Forte, Carmelina A Iannuzzi, Daniela Barone, Luca Esposito, Antonio Giordano, Francesca Pentimalli
NONO is an RNA-binding protein involved in transcription, mRNA splicing, DNA repair and checkpoint activation in response to UV radiation. NONO expression has been found altered in several tumour types, including prostate, colon, breast, melanoma and in papillary renal carcinoma, in which an X chromosome inversion generates a NONO-TFE3 fusion protein. Upon such rearrangement, NONO loses its C-terminal domain. Through bioinformatics analysis, we identified a putative degron motif, known to be recognized by the Skp1-Cul1-F-box-protein (SCF) complex...
November 18, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29145315/iodine-125-seed-implantation-for-synchronous-pancreatic-metastases-from-hepatocellular-carcinoma-a-case-report-and-literature-review
#8
Junjie Xiong, Selina Kwong Chian, Jiao Li, Xubao Liu
RATIONALE: The image-guided iodine-125 seed implantation has been widely used for a variety of tumors, including prostatic cancer, pulmonary cancer, hepatocellular carcinoma and pancreatic cancer. However, the clinical value of iodine-125 seed implantation for the treatment of pancreatic metastasis from hepatocellular carcinoma has not been reported. We presented the first case with ultrasound-guided iodine-125 seed implantation for this disease. PATIENT CONCERNS: We presented the case of a 48-year-old man patient with primary hepatocellular carcinoma and pancreatic metastasis who was managed with ultrasound-guided iodine-125 seeds implantation...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29144942/re-systematic-review-links-the-prevalence-of-intraductal-carcinoma-of-the-prostate-to-prostate-cancer-risk-categories
#9
Samir S Taneja
No abstract text is available yet for this article.
December 2017: Journal of Urology
https://www.readbyqxmd.com/read/29141455/methionine-adenosyltransferases-in-cancers-mechanisms-of-dysregulation-and-implications-for-therapy
#10
Lauren Y Maldonado, Diana Arsene, José M Mato, Shelly C Lu
Methionine adenosyltransferase genes encode enzymes responsible for the biosynthesis of S-adenosylmethionine, the principal biological methyl donor and precursor of polyamines and glutathione. Mammalian cells express three genes - MAT1A, MAT2A, and MAT2B - with distinct expression and functions. MAT1A is mainly expressed in the liver and maintains the differentiated states of both hepatocytes and bile duct epithelial cells. Conversely, MAT2A and MAT2B are widely distributed in non-parenchymal cells of the liver and extrahepatic tissues...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/29139310/pudendal-nerve-injury-impairs-anorectal-function-and-health-related-quality-of-life-measures-%C3%A2-2-years-after-3d-conformal-radiotherapy-for-prostate-cancer
#11
Eng Eric Yeoh, Rochelle Botten, Addolorata Di Matteo, Marcus Tippett, Jonathon Hutton, Robert Fraser, Phillip G Dinning, David Wattchow
PURPOSE: To compare GI symptoms, measures of generic and disease specific health related quality of life (HRQoL), anorectal and pudendal nerve function and anal sphincter morphology between (i) patients ≥2 years after 3D conformal radiotherapy (3D-CRT)±high dose rate (HDR) brachytherapy for carcinoma of the prostate and aged matched patients before radiotherapy and (ii) symptomatic and asymptomatic patients ≥2 years after 3D-CRT ± HDR brachytherapy. MATERIAL AND METHODS: Methodology included: (i) modified LENT-SOMA scales for GI symptoms, (ii) EORTC QLQ-C30 and EORTC QLQ-PR25 questionnaires for generic and disease specific HRQoL, (iii) anorectal manometry and terminal motor latency for anorectal and pudendal nerve function and (iv) endorectal ultrasound for anal sphincter morphology...
November 15, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/29138865/silencing-of-vacuolar-atpase-c%C3%A2-subunit-atp6v0c-inhibits-the-invasion-of-prostate-cancer-cells-through-a-lass2-tmsg1-independent-manner
#12
Pengcheng Zou, Yifeng Yang, Xiaoyan Xu, Beiying Liu, Fang Mei, Jiangfeng You, Qichen Liu, Fei Pei
Vacuolar ATPase (V-ATPase), widespread in eukaryotic cells, is extensively expressed in many highly metastatic tumors, of which the V-ATPase c subunit ATP6V0C is particularly associated with the invasion and metastasis of cancer. ATP6V0C was directly found to interact with LASS2/TMSG1 which is a new tumor metastasis inhibitory gene identified by our laboratory in 1999. In order to study the role of ATP6V0C, we generated small interference RNA (siRNA) targeting ATP6V0C and investigated its function on the invasion of human prostate cancer cell line PC-3M-1E8 with high metastatic potential and its interplay with LASS2/TMSG1...
November 10, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29138842/placenta-specific-protein-1-promotes-cell-proliferation-and-invasion-in-non-small-cell-lung-cancer
#13
Li Yang, Tian-Qi Zha, Xiang He, Liang Chen, Quan Zhu, Wei-Bing Wu, Feng-Qi Nie, Qian Wang, Chong-Shuang Zang, Mei-Ling Zhang, Jing He, Wei Li, Wen Jiang, Kai-Hua Lu
Pulmonary carcinoma-associated proteins have emerged as crucial players in governing fundamental biological processes such as cell proliferation, apoptosis and metastasis in human cancers. Placenta-specific protein 1 (PLAC1) is a cancer-related protein, which is activated and upregulated in a variety of malignant tissues, including prostate cancer, gastric adenocarcinoma, colorectal, epithelial ovarian and breast cancer. However, its biological role and clinical significance in non-small cell lung cancer (NSCLC) development and progression are still unknown...
November 9, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29137875/contribution-of-11-c-choline-pet-ct-in-prostate-carcinoma-biochemical-relapse-with-serum-psa-level-below-1-ng-ml
#14
F J Gómez-de la Fuente, I Martínez-Rodríguez, M de Arcocha-Torres, R Quirce, J Jiménez-Bonilla, N Martínez-Amador, I Banzo
OBJECTIVE: (11)C-choline PET/CT has demonstrated good results in the restaging of prostate cancer (PCa) with high serum prostate specific antigen (PSA), but its use in patients with low serum PSA is controversial. Our aim was to evaluate the contribution of (11)C-choline PET/CT in patients with PCa, biochemical relapse and PSA <1 ng/ml. MATERIAL AND METHOD: Fifty consecutive patients (mean age: 65.9±5.6 years) with biochemical relapse of PCa and serum PSA <1ng/ml were evaluated retrospectively...
November 11, 2017: Revista Española de Medicina Nuclear e Imagen Molecular
https://www.readbyqxmd.com/read/29137361/downregulation-of-mir-199a-5p-promotes-prostate-adeno-carcinoma-progression-through-loss-of-its-inhibition-of-hif-1%C3%AE
#15
Jinjing Zhong, Rui Huang, Zhengzheng Su, Mengni Zhang, Miao Xu, Jing Gong, Ni Chen, Hao Zeng, Xueqin Chen, Qiao Zhou
Hypoxia-inducible factor-1 alpha (HIF-1α) plays key roles in cell survival under both hypoxia and normoxia conditions. Regulation of HIF-1α is complex and involves numerous molecules and pathways, including post-transcriptional regulation by microRNAs (miRNAs). Although upregulation of HIF-1α has been shown to promote prostate adenocarcinoma (PCa) progression, the mechanism by which miRNAs modulate HIF-1α in prostate cancer has not been clarified. Here, we show that miR-199a-5p is underexpressed in prostate adenocarcinoma...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29137110/neobomb1-a-grpr-antagonist-for-breast-cancer-theragnostics-first-results-of-a-preclinical-study-with-67-ga-neobomb1-in-t-47d-cells-and-tumor-bearing-mice
#16
Aikaterini Kaloudi, Emmanouil Lymperis, Athina Giarika, Simone Dalm, Francesca Orlandi, Donato Barbato, Mattia Tedesco, Theodosia Maina, Marion de Jong, Berthold A Nock
The GRPR-antagonist-based radioligands [(67/68)Ga/(111)In/(177)Lu]NeoBOMB1 have shown excellent theragnostic profiles in preclinical prostate cancer models, while [(68)Ga]NeoBOMB1 effectively visualized prostate cancer lesions in patients. We were further interested to explore the theragnostic potential of NeoBOMB1 in GRPR-positive mammary carcinoma, by first studying [(67)Ga]NeoBOMB1 in breast cancer models; Methods: We investigated the profile of [(67)Ga]NeoBOMB1, a [(68)Ga]NeoBOMB1 surrogate, in GRPR-expressing T-47D cells and animal models; Results: NeoBOMB1 (IC50s of 2...
November 11, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29136407/phospholipase-d-inhibitors-reduce-human-prostate-cancer-cell-proliferation-and-colony-formation
#17
Amanda R Noble, Norman J Maitland, Daniel M Berney, Martin G Rumsby
BACKGROUND: Phospholipases D1 and D2 (PLD1/2) hydrolyse cell membrane glycerophospholipids to generate phosphatidic acid, a signalling lipid, which regulates cell growth and cancer progression through effects on mTOR and PKB/Akt. PLD expression and/or activity is raised in breast, colorectal, gastric, kidney and thyroid carcinomas but its role in prostate cancer (PCa), the major cancer of men in the western world, is unclear. METHODS: PLD1 protein expression in cultured PNT2C2, PNT1A, P4E6, LNCaP, PC3, PC3M, VCaP, 22RV1 cell lines and patient-derived PCa cells was analysed by western blotting...
November 14, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/29134562/seom-clinical-guidelines-for-the-treatment-of-metastatic-prostate-cancer-2017
#18
J Cassinello, J Á Arranz, J M Piulats, A Sánchez, B Pérez-Valderrama, B Mellado, M Á Climent, D Olmos, J Carles, M Lázaro
Androgen deprivation treatment was the only treatment available for metastatic prostate cancer until recently, with docetaxel as the only treatment with a proven survival benefit in castration-resistant prostate cancer (CRPC). Several drugs have been approved in the castration-resistant disease (sipuleucel-T, cabazitaxel, abiraterone, enzalutamide, radium-223). More recently, docetaxel and abiraterone have been moved to the hormone-sensitive disease setting, achieving better patient survival. The purpose of this article is to define the state of the art in the treatment of prostate carcinoma...
November 13, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/29133315/testosterone-in-advance-age-a-new-zealand-longitudinal-cohort-study-life-and-living-in-advanced-age-te-pu%C3%A4-waitanga-o-ng%C3%A4-tapuwae-kia-ora-tonu
#19
Martin J Connolly, Ngaire Kerse, Tim Wilkinson, Oliver Menzies, Anna Rolleston, Yih Harng Chong, Joanna B Broad, Simon A Moyes, Santosh Jatrana, Ruth Teh
OBJECTIVES: Serum testosterone (T) levels in men decline with age. Low T levels are associated with sarcopenia and frailty in men aged >80 years. T levels have not previously been directly associated with disability in older men. We explored associations between T levels, frailty and disability in a cohort of octogenarian men. SETTING: Data from all men from Life and Living in Advanced Age Cohort Study in New Zealand, a longitudinal cohort study in community-dwelling older adults...
November 12, 2017: BMJ Open
https://www.readbyqxmd.com/read/29133049/design-and-synthesis-of-novel-c14-urea-tetrandrine-derivatives-with-potent-anti-cancer-activity
#20
Junjie Lan, Lan Huang, Huayong Lou, Chao Chen, Tangjingjun Liu, Shengcao Hu, Yao Yao, Junrong Song, Jun Luo, Yazhou Liu, Bin Xia, Lei Xia, Xueyi Zeng, Yaacov Ben-David, Weidong Pan
Tetrandrine is a dibenzyltetrahydroisoquinoline alkaloid, isolated from traditional Chinese medicinal plant Stephania tetrandra, with anti-tumor activity. Our previous study identified several derivatives of tetrandrine showing better activities than parental compound against human hepatocellular carcinoma cells. To increase diversity and cytotoxic activities of the original compound, a series of novel 14-urea-tetrandrine derivatives were synthesized through structural modification of tetrandrine. These derivaties demonstrated a moderate to strong anti-proliferative activities against human cell lines HEL and K562 (Leukemia), prostate (PC3), breast (MDA-MB-231) and melanoma (WM9)...
November 6, 2017: European Journal of Medicinal Chemistry
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