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https://www.readbyqxmd.com/read/28742796/leukocyte-telomere-length-and-renal-cell-carcinoma-survival-in-two-studies
#1
Catherine L Callahan, Kendra Schwartz, Julie J Ruterbusch, Brian Shuch, Barry I Graubard, Qing Lan, Richard Cawthon, Andrea A Baccarelli, Wong-Ho Chow, Nathaniel Rothman, Jonathan N Hofmann, Mark P Purdue
BACKGROUND: Leukocyte telomere length (LTL) is a potential biomarker of cancer prognosis; however, evidence for renal cell carcinoma (RCC) is inconsistent. METHODS: We investigated LTL and RCC-specific survival among 684 cases from the US kidney cancer study (USKC) and 241 cases from the prostate, lung, colorectal, and ovarian cancer screening trial (PLCO). Leukocyte telomere length was measured by quantitative polymerase chain reaction, and hazard ratios (HRs) and 95% confidence intervals (CIs) computed using multivariable Cox models...
July 25, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28738712/diagnosis-of-human-prostate-carcinoma-cancer-stem-cells-enriched-from-du145-cell-lines-changes-with-microscopic-texture-analysis-in-radiation-and-hyperthermia-treatment-using-run-length-matrix
#2
Ali Abbasian Ardakani, Jila Rajaee, Samideh Khoei
PURPOSE: Hyperthermia and radiation have the ability to induce structural and morphological changes on both macroscopic and microscopic level. Normal and damage cells have a different texture but may be perceived by human eye, as having the same texture. MATERIALS AND METHODS: To explore the potential of texture analysis based on run-length matrix, a total of 32 sphere images for each group and treatment regime were used in this study. Cells were subjected to the treatment with different doses of 6 MeV electron radiation (0 2, 4 and 6 Gy), hyperthermia (at 43° C in 0, 30, 60 and 90 min) and radiation + hyperthermia (at 43°C in 30 min with 2, 4 and 6 Gy dose) respectively...
July 25, 2017: International Journal of Radiation Biology
https://www.readbyqxmd.com/read/28737577/vertebral-myeloma-mimicking-prostatic-carcinoma-metastasis-in-68ga-psma-pet-ct
#3
Esben Hoej Merrild, Steen Baerentzen, Kirsten Bouchelouche, Simon Buus
Ga-PSMA PET/CT was performed in a 75-year-old man with newly diagnosed prostate cancer because of an equivocal lesion in the spine both on Tc-bone-SPECT/CT and MRI. Because of increased PSMA activity on PET/CT, the bone lesion was interpreted as metastasis from prostate cancer. Later, the patient was diagnosed as having monoclonal gammopathy of unknown significance. A biopsy was performed, and histological examination revealed multiple myeloma with PSMA expression in the neovessels but no metastatic prostate cancer cells...
July 22, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28735667/immunohistochemical-expression-of-mcam-cd146-in-canine-melanoma
#4
S Abou Asa
MCAM/CD146 (melanoma cell adhesion molecule/CD146) is a transmembrane immunoglobulin superfamily cell adhesion molecule involved in transendothelial migration and signal transduction. It is expressed in melanoma, squamous cell carcinoma, prostatic, ovarian, cervical and endometrial cancers and promotes tumour growth, angiogenesis and metastasis. Melanoma is the most common malignant oral tumour of dogs and also arises in the skin, nail bed and footpad. The aim of this study was to investigate the immunohistochemical expression of MCAM/CD146 in 51 canine melanomas, including oral, cutaneous and ocular tumours...
July 2017: Journal of Comparative Pathology
https://www.readbyqxmd.com/read/28734596/developments-in-urologic-oncology-%C3%A2-oncoforum%C3%A2-the-best-of-2016
#5
F Gómez-Veiga, A Alcaraz-Asensio, J Burgos-Revilla, J M Cózar-Olmo
OBJECTIVE: To put forth new findings of urologic oncology with impact on clinical practice presented during 2016 in the main annual meetings. ACQUISITION OF EVIDENCE: This document reviews abstracts on prostate, kidney and bladder cancer presented at the congresses of 2016 (EAU, AUA, ASCO, ESMO and ASTRO) and publications with the highest impact in this period valued with the highest scores by the OncoForum committee. SYNTHESIS OF EVIDENCE: In High-Risk Renal-Cell carcinoma after nephrectomy, disease-free survival was significantly greater for sunitinib than placebo group, with adverse events more frequents...
July 19, 2017: Actas Urologicas Españolas
https://www.readbyqxmd.com/read/28732370/silibinin-an-old-drug-for-hematological-disorders
#6
REVIEW
Hai Zou, Xing-Xing Zhu, Guo-Bing Zhang, Yuan Ma, Yi Wu, Dong-Sheng Huang
Silibinin (silybin), a non-toxic natural polyphenolic flavonoid, is the principal and the most biologically active component of silymarin. It is efficient in the treatment of acute and chronic liver disorders caused by toxins, drug, alcohol, hepatitis, and gall bladder disorders. Further, in our previous studies, we explored the anti-cancer efficacy in common cancers, such as lung, prostatic, colon, breast, bladder, as well as, hepatocellular carcinoma. Interestingly, silibinin is still not solely limited to the treatment of these diseases...
July 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28732347/histone-demethylase-jmjd2c-epigenetic-regulators-in-tumors
#7
REVIEW
Chengcheng Zhang, Zhongqi Wang, Qing Ji, Qi Li
Histone methylation is one of the major epigenetic modifications, and various histone methylases and demethylases participate in the epigenetic regulating. JMJD2C has been recently identified as one of the histone lysine demethylases. As one member of the Jumonji-C histone demethylase family, JMJD2C has the ability to demethylate tri- or di-methylated histone 3 and 2 in either K9 (lysine residue 9) or K36 (lysine residue 36) sites by an oxidative reaction, thereby affecting heterochromatin formation, genomic imprinting, X-chromosome inactivation, and transcriptional regulation of genes...
July 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28730763/dna-mismatch-repair-deficiency-in-lung-and-oral-cavity-carcinomas-the-role-of-histogenetic-origin
#8
Konstantina N Spetsotaki, Evangelos Tsiambas, Athanasios Stamatelopoulos, Panagiotis P Fotiades, Ioannis Kastanioudakis, Pericles Tomos, Vasileios Ragos
DNA mismatch repair system (DNA MMR) is a crucial genetic mechanism for DNA homeostasis in prokaryotic and eukaryotic cells. During DNA replication and also recombination, point intra-nucleotide errors including base deletion, insertion, and mis-incorporation happen. These raised abnormalities in the newly synthesized DNA strand could affect negatively the stability of the molecule and the function of the corresponding genes. DNA MMR proteins prevent these errors by recognizing and repairing them, securing directly the normal anatomy of the DNA double strand and indirectly the expression of the genes...
May 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28730725/targeting-nano-drug-delivery-to-cancer-cells-using-tunable-multi-layer-silver-decorated-gold-nanorods
#9
Zeid A Nima, Ahmed M Alwbari, Vijayalakshmi Dantuluri, Rabab N Hamzah, Natasha Sra, Pooja Motwani, Konstantinos Arnaoutakis, Rebecca A Levy, Amani F Bohliqa, Dmitry Nedosekin, Vladimir P Zharov, Issam Makhoul, Alexandru S Biris
Multifunctional nanoparticles have high potential as targeting delivery vehicles for cancer chemotherapy. In this study, silver-decorated gold nanorods (AuNR\Ag) have been successfully used to deliver specific, targeted chemotherapy against breast cancer (MCF7) and prostate carcinoma (PC3) cell lines. Doxorubicin, a commonly used chemotherapy, and anti-Epithelial cell adhesion molecule (anti-EpCAM) antibodies were covalently bonded to thiolated polyethylene glycol-coated AuNR\Ag, and the resultant system was used to deliver the drugs to cancer cells in vitro...
July 21, 2017: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/28730423/-female-prostate-cancer
#10
S Thum, B Haben, G Christ, R Sen Gupta
We present a case of a female patient who had a clinically suspected advanced urothelial carcinoma of the urethra. Histopathological examination surprisingly revealed a malignant tumor with morphological and immunohistochemical features of prostate cancer, leading to the diagnosis of the extremely rare entity of Skene's gland adenocarcinoma.
July 20, 2017: Der Pathologe
https://www.readbyqxmd.com/read/28730245/unusual-triple-combination-of-prostate-lung-and-skin-cancer
#11
Ioana Andreea Gheonea, Cristiana Gabriela Popp, Elena Tatiana Ivan, Dan IonuŢ Gheonea
Multiple malignancies are an increasing combination in the recent years in cancer patients, due to prolonged survival rate and to the advances in diagnostic techniques and therapeutic management. We present the case of a patient diagnosed with prostate cancer and metachronous in one year with basal cell carcinoma of the skin and small lung cell carcinoma with lymph nodes and pararectal metastasis. To our best knowledge, this is the only case presented in the medical literature with these three different types of primary malignancy...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28728844/long-non-coding-rna-pcat7-regulates-elf2-signaling-through-inhibition-of-mir-134-5p-in-nasopharyngeal-carcinoma
#12
Yejun Liu, Zezhang Tao, Jining Qu, Xuhong Zhou, Chenghong Zhang
While some long noncoding RNAs (lncRNAs) might promote nasopharyngeal carcinoma (NPC) initiation and progression, the involved molecular mechanisms remain largely unclear. Here, we discovered the novel LncRNA, prostate cancer associated transcript 7 (PCAT7), which was overexpressed and associated with worse prognosis in NPC. Decreased PCAT7 expression was found to significantly suppress tumor cell proliferation in vitro, and inhibited tumor growth and reduced the expression of proliferation antigen Ki-67 in vivo...
July 17, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28728749/numb-chin-with-mandibular-pain-or-masticatory-weakness-as-indicator-for-systemic-malignancy-a-case-series-study
#13
Shin-Yu Lu, Shu-Hua Huang, Yen-Hao Chen
BACKGROUND/PURPOSE: Numb chin syndrome (NCS) is a critical sign of systemic malignancy; however it remains largely unknown by clinicians and dentists. The aim of this study was to investigate NCS that is more often associated with metastatic cancers than with benign diseases. METHODS: Sixteen patients with NCS were diagnosed and treated. The oral and radiographic manifestations were assessed. RESULTS: Four (25%) of 16 patients with NCS were affected by nonmalignant diseases (19% by medication-related osteonecrosis of the jaw and 6% by osteopetrosis); yet 12 (75%) patient conditions were caused by malignant metastasis, either in the mandible (62%) or intracranial invasion (13%)...
July 17, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28728135/prostate-cancer-risk-and-dna-methylation-signatures-in-aging-rats-following-developmental-bpa-exposure-a-dose-response-analysis
#14
Gail S Prins, Shu-Hua Ye, Lynn Birch, Xiang Zhang, Ana Cheong, Han Lin, Esther Calderon-Gierszal, Jacob Groen, Wen-Yang Hu, Shuk-Mei Ho, Richard B van Breemen
BACKGROUND: Previous studies have uncovered heightened prostatic susceptibility to hormone-induced neoplasia from early-life exposure to low-dose bisphenol A (BPA). However, significant data gaps remain that are essential to address for biological relevance and necessary risk assessment. OBJECTIVES: A complete BPA dose-response analysis of prostate lesions across multiple prostatic lobes was conducted that included internal BPA dosimetry, progression to adenocarcinoma with aging and mechanistic connections to epigenetically reprogramed genes...
July 11, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28725626/evaluation-of-anticancer-activity-of-cordia-dichotoma-leaves-against-a-human-prostate-carcinoma-cell-line-pc3
#15
Md Azizur Rahman, Sahabjada, Juber Akhtar
Mechanisms of antioxidant and apoptosis induction may be involved in the management of cancer by medicinal plants. Aim of the study was designed to evaluate anticancer activity of the methanolic extract of Cordia dichotoma leaves (MECD) against a human prostate carcinoma cell line, PC3. Flavonoid content was determined by colorimetric principle and antioxidant activity by various in vitro assays. MTT, DCFH-DA and DAPI staining assays were performed for the evaluation of cytotoxicity, analysis of induction of apoptosis and intracellular reactive oxygen species (ROS) activity level by MECD against human prostate carcinoma cell line, PC3...
July 2017: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/28725587/multi-parametric-mri-imaging-of-the-prostate-implications-for-focal-therapy
#16
REVIEW
James S Wysock, Herbert Lepor
The primary goal of a focal therapy treatment paradigm is to achieve cancer control through targeted tissue destruction while simultaneously limiting deleterious effects on peri-prostatic structures. Focal therapy approaches are employed in several oncologic treatment protocols, and have been shown to provide equivalent cancer control for malignancies such as breast cancer and renal cell carcinoma. Efforts to develop a focal therapy approach for prostate cancer have been challenged by several concepts including the multifocal nature of the disease and limited capability of prostate ultrasound and systematic biopsy to reliably localize the site(s) and aggressiveness of disease...
June 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28725585/a-critical-comparison-of-techniques-for-mri-targeted-biopsy-of-the-prostate
#17
REVIEW
Francesco Giganti, Caroline M Moore
MRI-targeted biopsy is a promising technique that offers an improved detection of clinically significant prostate cancer over standard non-targeted biopsy. It is established that prostate MRI is of use in both the primary and repeat biopsy setting for the detection of significant prostate cancer. There are three approaches to targeting biopsies to areas of interest seen on prostate MRI. They each rely on the acquisition and reporting of a diagnostic quality multi-parametric MRI scan used to identify areas of interest, and the subsequent use of those diagnostic quality images in combination with real-time images of the prostate during the biopsy procedure...
June 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28725433/macrophage-type-2-differentiation-in-a-patient-with-laryngeal-squamous-cell-carcinoma-and-metastatic-prostate-adenocarcinoma-to-the-cervical-lymph-nodes
#18
Michael C Topf, Madalina Tuluc, Larry A Harshyne, Adam Luginbuhl
BACKGROUND: The tumor microenvironment often polarizes infiltrating macrophages towards a type 2, or M2 phenotype, that is characterized by expression of various cysteine-rich, scavenger receptors, including CD163. The primary function of M2 macrophages is to facilitate wound healing. As such, they are capable of providing metabolic support to a growing tumor, neovascularization, as well as protection from cytotoxic T cells. The tumor microenvironment contains a milieu of secreted factors and vesicles, which in certain circumstances can gain access to lymphatic vessels that drain to local lymph nodes...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28722163/risk-of-cancer-in-patients-with-psoriasis-on-biologic-therapies-a-systematic-review
#19
REVIEW
E Peleva, L S Exton, K Kelley, K J Mason, C H Smith
Biologic therapies are highly effective in psoriasis, but have profound effects on innate and adaptive immune pathways that may negatively impact on cancer immunosurveillance mechanisms. To investigate the risk of cancer in psoriasis patients treated with biologic therapy we searched Medline, Embase, and the Cochrane Library (up to August 2016) for randomized control trials, prospective cohort studies and systematic reviews that reported cancer incidence in people exposed to biologic therapy for psoriasis compared to a control population...
July 19, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28722004/oral-gingival-metastasis-a-diagnostic-dilemma
#20
Nalini Aswath, Chandrakanth Balakrishnan, Vidyarani Shyamsundar, Sarumathi Thirrugnanamurthy
Oral cavity is a rare target for metastasis with an incidence of 1% among all oral cancers. In 24% of such cases, oral metastasis is the first indication of an undiagnosed primary. Metastatic oral malignancies have been reported in the mandible, tongue, and gingiva. Although gingival metastasis has been reported from lung, prostate, rectal carcinoma in men and carcinoma of breast, adrenal glands, and genitalia in females, gingival metastasis from carcinoma of the penis has not been reported. Herein, a case of metastatic gingival carcinoma that developed after extraction of teeth from primary carcinoma of the penis is presented...
May 2017: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
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