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https://www.readbyqxmd.com/read/28346424/skp2-deficiency-restricts-the-progression-and-stem-cell-features-of-castration-resistant-prostate-cancer-by-destabilizing-twist
#1
D Ruan, J He, C-F Li, H-J Lee, J Liu, H-K Lin, C-H Chan
Castration-resistant prostate cancer (CRPC) remains a major clinical challenge because of the lack of effective targeted therapy for its treatment. The mechanism underlying how CRPC gains resistance toward hormone depletion and other forms of chemotherapy is poorly understood. Research on understanding the factors that drive these processes is desperately needed to generate new therapies to cure the disease. Here, we discovered a fundamental role of S-phase protein kinase 2 (Skp2) in the formation and progression of CRPC...
March 27, 2017: Oncogene
https://www.readbyqxmd.com/read/28345444/budgetary-impact-of-cabazitaxel-use-after-docetaxel-treatment-for-metastatic-castration-resistant-prostate-cancer
#2
Kyle Flannery, Ed Drea, Louis Hudspeth, Shelby Corman, Xin Gao, Mei Xue, Raymond Miao
BACKGROUND: With the approval of several new treatments for metastatic castration-resistant prostate cancer (mCRPC), budgetary impact is a concern for health plan decision makers. Budget impact models (BIMs) are becoming a requirement in many countries as part of formulary approval or reimbursement decisions. Cabazitaxel is a second-generation taxane developed to overcome resistance to docetaxel and is approved for the treatment of patients with mCRPC previously treated with a docetaxel-containing regimen...
April 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28344397/comparative-study-of-obstructive-urolithiasis-and-its-sequelae-in-buffalo-calves
#3
Yasmin H Bayoumi, Noura E Attia
AIM: The present work was designed to study the incidence of obstructive urolithiasis and to apply comparative diagnosis to urine retention cases. MATERIALS AND METHODS: A total of 78 non-castrated buffalo calves aging 3-11 months were included in this study, 68 calves were admitted to the Veterinary Teaching Hospital, Zagazig University, Egypt, during the study period with a history of anuria, and they were classified into three groups; intact bladder group (19 calves), uroperitoneum group (45 calves), and ruptured urethra group (4 calves)...
February 2017: Veterinary World
https://www.readbyqxmd.com/read/28344102/effect-of-visceral-disease-site-on-outcomes-in-patients-with-metastatic-castration-resistant-prostate-cancer-treated-with-enzalutamide-in-the-prevail-trial
#4
Joshi J Alumkal, Simon Chowdhury, Yohann Loriot, Cora N Sternberg, Johann S de Bono, Bertrand Tombal, Joan Carles, Thomas W Flaig, Tanya B Dorff, De Phung, David Forer, Sarah B Noonberg, Hank Mansbach, Tomasz M Beer, Celestia S Higano
BACKGROUND: The Multinational Phase 3, Randomized, Double-Blind, Placebo-Controlled Efficacy and Safety Study of Oral MDV3100 in Chemotherapy-Naive Patients With Progressive Metastatic Prostate Cancer Who Have Failed Androgen Deprivation Therapy (PREVAIL) trial was unique as it included patients with visceral disease. This analysis was designed to describe outcomes for the subgroup of men from PREVAIL with specific sites of visceral disease to help clinicians understand how these patients responded to enzalutamide prior to chemotherapy...
March 3, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28342996/induction-of-neuroendocrine-differentiation-in-prostate-cancer-cells-by-dovitinib-tki-258-and-its-therapeutic-implications
#5
Shalini S Yadav, Jinyi Li, Jennifer A Stockert, Bryan Herzog, James O'Connor, Luis Garzon-Manco, Ramon Parsons, Ashutosh K Tewari, Kamlesh K Yadav
Prostate cancer (PCa) remains the second-leading cause of cancer-related deaths in American men with an estimated mortality of more than 26,000 in 2016 alone. Aggressive and metastatic tumors are treated with androgen deprivation therapies (ADT); however, the tumors acquire resistance and develop into lethal castration resistant prostate cancer (CRPC). With the advent of better therapeutics, the incidences of a more aggressive neuroendocrine prostate cancer (NEPC) variant continue to emerge. Although de novo occurrences of NEPC are rare, more than 25% of the therapy-resistant patients on highly potent new-generation anti-androgen therapies end up with NEPC...
March 24, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28342983/lipid-quantification-by-raman-microspectroscopy-as-a-potential-biomarker-in-prostate-cancer
#6
Jordan O'Malley, Rahul Kumar, Andrey Kuzmin, Artem Pliss, Neelu Yadav, Srimmitha Balachandar, Jianmin Wang, Kristopher Attwood, Paras N Prasad, Dhyan Chandra
Metastatic castration recurrent prostate cancer (mCRPC) remains incurable and is one of the leading causes of cancer-related death among American men. Therefore, detection of prostate cancer (PCa) at early stages may reduce PCa-related mortality in men. We show that lipid quantification by vibrational Raman Microspectroscopy and Biomolecular Component Analysis may serve as a potential biomarker in PCa. Transcript levels of lipogenic genes including sterol regulatory element-binding protein-1 (SREBP-1) and its downstream effector fatty acid synthase (FASN), and rate-limiting enzyme acetyl CoA carboxylase (ACACA) were upregulated corresponding to both Gleason score and pathologic T stage in the PRAD TCGA cohort...
March 23, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28342602/sex-effects-on-net-protein-and-energy-requirements-for-growth-of-saanen-goats
#7
A P Souza, N R St-Pierre, M H R M Fernandes, A K Almeida, J A C Vargas, K T Resende, I A M A Teixeira
Requirements for growth in the different sexes remain poorly quantified in goats. The objective of this study was to develop equations for estimating net protein (NPG) and net energy (NEG) for growth in Saanen goats of different sexes from 5 to 45 kg of body weight (BW). A data set from 7 comparative slaughter studies (238 individual records) of Saanen goats was used. Allometric equations were developed to determine body protein and energy contents in the empty BW (EBW) as dependent variables and EBW as the allometric predictor...
March 22, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28337641/inhibition-of-proliferation-of-prostate-cancer-cell-line-du-145-in-vitro-and-in-vivo-using-salvia-miltiorrhiza-bunge
#8
Woong Jin Bae, Jin Bong Choi, Kang Sup Kim, U Syn Ha, Sung Hoo Hong, Ji Youl Lee, Tae-Kon Hwang, Sung Yeoun Hwang, Zhi-Ping Wang, Sae Woong Kim
OBJECTIVE: To investigate the antiproliferative activity of Salvia miltiorrhiza Bunge. (SM) on the castration-resistant prostate cancer (CRPC) cell line DU-145, in vitro and in vivo. METHODS: Prostate cancer cell line (DU-145) and normal prostate cell line (RWPE-1) were treated with SM at different concentrations (3.125, 12.5, 25 and 50 μg/mL) to investigate the antiproliferative effects. DNA laddering analysis was performed to investigate the apoptosis of DU-145 cells...
March 23, 2017: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28337635/measurement-of-bovine-body-and-scrotal-temperature-using-implanted-temperature-sensitive-radio-transmitters-data-loggers-and-infrared-thermography
#9
A L Wallage, J B Gaughan, A T Lisle, L Beard, C W Collins, S D Johnston
Synchronous and continuous measurement of body (BT) and scrotal temperature (ST) without adverse welfare or behavioural interference is essential for understanding thermoregulation of the bull testis. This study compared three technologies for their efficacy for long-term measurement of the relationship between BT and ST by means of (1) temperature sensitive radio transmitters (RT), (2) data loggers (DL) and (3) infrared imaging (IRI). After an initial pilot study on two bulls to establish a surgical protocol, RTs and DLs were implanted into the flank and mid-scrotum of six Wagyu bulls for between 29 and 49 days...
March 23, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28337529/the-impact-of-repeated-cycles-of-radioligand-therapy-using-177-lu-lu-psma-617-on-renal-function-in-patients-with-hormone-refractory-metastatic-prostate-cancer
#10
Anna Yordanova, Anja Becker, Elisabeth Eppard, Stefan Kürpig, Christian Fisang, Georg Feldmann, Markus Essler, Hojjat Ahmadzadehfar
BACKGROUND: [(177)Lu]Lu-PSMA-617 is a well-tolerated therapy for the treatment of metastatic prostate cancer. However, because of the mainly renal excretion of the tracer, the kidneys are one of the most limiting organs. The purpose of this study was to examine the post-therapeutic changes in renal function over time and to identify risk factors for developing renal toxicity. We also tested the reliability of markers for renal function monitoring. METHODS: Fifty-five patients with castrate-resistant metastatic prostate cancer treated with at least three cycles of [(177)Lu]Lu-PSMA-617 were investigated...
March 23, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28334771/efficacy-and-safety-of-a-3-month-dosing-regimen-of-degarelix-in-japanese-patients-with-prostate-cancer-a-phase-ii-maintenance-dose-finding-study
#11
Seiichiro Ozono, Taiji Tsukamoto, Seiji Naito, Yasuo Ohashi, Takeshi Ueda, Tsutomu Nishiyama, Hideki Maeda, Hidehito Kusuoka, Rio Akazawa, Mototsugu Ito, Hideyuki Akaza
Objective: To evaluate the efficacy and safety of degarelix 3-month depot in Japanese patients with prostate cancer. Methods: In this Phase II, open-label, parallel-group study, 155 Japanese prostate cancer patients were randomized to treatment with degarelix administered subcutaneously at a maintenance dose of 360 or 480 mg every 84 days for 12 months, after receiving an initial dose of 240 mg. The primary endpoint was the cumulative probability of serum testosterone ≤0...
February 18, 2017: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28334734/multinucleated-polyploidy-drives-resistance-to-docetaxel-chemotherapy-in-prostate-cancer
#12
Karuna Mittal, Shashi Donthamsetty, Ramneet Kaur, Chunhua Yang, Meenakshi V Gupta, Michelle D Reid, Da Hoon Choi, Padmashree C G Rida, Ritu Aneja
BACKGROUND: Docetaxel is the only FDA-approved first-line treatment for castration-resistant prostate cancer (CRPC) patients. Docetaxel treatment inevitably leads to tumour recurrence after an initial therapeutic response with generation of multinucleated polyploid (MP) cells. Here we investigated role of MP cells in clinical relapse of CRPC. METHODS: Prostate cancer (PC-3) cells were treated with docetaxel (5 nM) for 3 days followed by a washout and samples were collected at close intervals over 35 days post drug washout...
March 23, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28331834/ultrasound-guided-electrochemotherapy-for-the-treatment-of-a-clear-cell-thymoma-in-a-cat
#13
Enrico Pierluigi Spugnini, Francesco Menicagli, Michela Pettorali, Alfonso Baldi
A twelve-year-old male castrated domestic shorthair cat was presented for rapidly progressing respiratory distress. The cat was depressed, tachypneic and moderately responsive. Ultrasonography showed a mediastinal mass associated with a significant pleural effusion that needed tapping every five to seven days. Ultrasound guided biopsy yielded a diagnosis of clear cell thymoma upon histopathology. After complete staging procedures, the owner elected to treat the cat with electrochemotherapy (ECT) using systemic bleomycin...
2017: Open veterinary journal
https://www.readbyqxmd.com/read/28325415/knotted-bandage-for-wounds-located-in-hairy-areas
#14
Nuria María Villamarín-Bello, Ximena Calderón-Castrat, Mónica Roncero-Riesco, Carlos Santos-Duran
No abstract text is available yet for this article.
April 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28324007/aberrant-tgf-%C3%AE-signaling-drives-castration-resistant-prostate-cancer-in-a-male-mouse-model-of-prostate-tumorigenesis
#15
Hong Pu, Diane Begemann, Natasha Kyprianou
The androgen receptor (AR) plays a critical role as a driver of castration-resistant-prostate cancer (CRPC). Our previous studies demonstrated that disruption of transforming growth factor-β (TGF-β) signaling via introduction of dominant-negative TGF-β type II receptor (DNTGF-RβII) in the prostate epithelium of transgenic adenocarcinoma of the prostate (TRAMP) mice accelerated tumor. This study investigated the consequences of disrupted TGF-β signaling on prostate tumor growth under conditions of castration-induced androgen deprivation (ADT) in the pre-clinical model DNTGFβRII...
March 16, 2017: Endocrinology
https://www.readbyqxmd.com/read/28323036/targeting-androgen-receptor-versus-targeting-androgens-to-suppress-castration-resistant-prostate-cancer
#16
Changcheng Guo, Shuyuan Yeh, Yuanjie Niu, Gonghui Li, Junhua Zheng, Lei Li, Chawnshang Chang
Prostate cancer (PCa) is the 2nd leading cause of cancer-related death among men in the United States and its progression is tightly associated with the androgen/androgen receptor (AR) signals. Men castrated before puberty (eunuchs) or men with inherited deficiency of type II 5α-reductase (with failure to convert testosterone to the more potent dihydrotestosterone) (DHT) do not develop PCa. To date, androgen deprivation therapy (ADT) with anti-androgen treatments to reduce or prevent androgens from binding to the AR remains the main therapeutic option for advanced PCa since its discovery by Huggins and Hodges in 1941...
March 18, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28322013/evidence-of-boldenone-nandrolone-5-10-estrene-3%C3%AE-17%C3%AE-diol-and-4-estrene-3-17-dione-as-minor-metabolites-of-testosterone-in-equine
#17
Jenny K Y Wong, David K K Leung, Peter Curl, Peter J Schiff, Kenneth K H Lam, Terence S M Wan
The detection of boldenone, nandrolone, 5(10)-estrene-3β,17α-diol and 4-estrene-3,17-dione in a urine sample collected from a gelding having been treated with testosterone (500 mg "Testosterone Suspension 100", single dose, injected intramuscularly) in 2009 led the authors' laboratory to suspect that these 'testicular' steroids could be minor metabolites of testosterone in geldings. Administration trials on six castrated horses with "Testosterone Suspension 100" confirmed that low levels of boldenone, nandrolone, 5(10)-estrene-3β,17α-diol and 4-estrene-3,17-dione could indeed be detected and confirmed in the early post-administration urine samples from all six geldings...
March 20, 2017: Drug Testing and Analysis
https://www.readbyqxmd.com/read/28321130/effective-combinatorial-immunotherapy-for-castration-resistant-prostate-cancer
#18
Xin Lu, James W Horner, Erin Paul, Xiaoying Shang, Patricia Troncoso, Pingna Deng, Shan Jiang, Qing Chang, Denise J Spring, Padmanee Sharma, John A Zebala, Dean Y Maeda, Y Alan Wang, Ronald A DePinho
A significant fraction of patients with advanced prostate cancer treated with androgen deprivation therapy experience relapse with relentless progression to lethal metastatic castration-resistant prostate cancer (mCRPC). Immune checkpoint blockade using antibodies against cytotoxic-T-lymphocyte-associated protein 4 (CTLA4) or programmed cell death 1/programmed cell death 1 ligand 1 (PD1/PD-L1) generates durable therapeutic responses in a significant subset of patients across a variety of cancer types. However, mCRPC showed overwhelming de novo resistance to immune checkpoint blockade, motivating a search for targeted therapies that overcome this resistance...
March 20, 2017: Nature
https://www.readbyqxmd.com/read/28320513/morphology-and-ultrastructure-of-the-adrenal-gland-in-bactrian-camels-camelus-bactrianus
#19
Wen-Ling Ye, Feng-Ling Wang, Hong-Ju Wang, Jian-Lin Wang
In the present study, we examined the morphological features of the adrenal gland in Bactrian camel by means of digital anatomy, light and electron microscopy. Our findings testified that the gland was divided into three parts, capsule, cortex and medulla from outside to inside as other mammals, and the cortex itself was further distinguished into four zones: zona glomerulosa, zona intermedia, zona fasciculate and zona reticularis. Notably, the zona intermedia could be seen clearly in the glands from females and castrated males, whereas it was not morphologically clear in male...
January 31, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28320395/vasoproliferative-process-resembling-pulmonary-capillary-hemangiomatosis-in-a-cat
#20
J A Jaffey, K J Williams, I Masseau, M Krueger, C Reinero
BACKGROUND: Pulmonary capillary hemangiomatosis is a rare, vascular obstructive disorder that uniformly causes pulmonary arterial hypertension. Clinically, pulmonary capillary hemangiomatosis is indistinguishable from primary pulmonary arterial hypertension and histology is required for definitive diagnosis. The distinctive histologic feature of pulmonary capillary hemangiomatosis is non-malignant extensive proliferation of capillaries in the alveolar septae. Vasodilator treatment of humans with primary arterial hypertension due to pulmonary capillary hemangiomatosis can result in fatal acute pulmonary edema...
March 20, 2017: BMC Veterinary Research
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