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https://www.readbyqxmd.com/read/28343345/assessment-of-nucleosides-as-putative-tumor-biomarkers-in-prostate-cancer-screening-by-ce-uv
#1
Adriana Zardini Buzatto, Mariana de Oliveira Silva, Ronei Jesus Poppi, Ana Valéria Colnaghi Simionato
Cancer is responsible for millions of deaths worldwide, but most base diseases may be cured if detected early. Screening tests may be used to identify early-stage malignant neoplasms. However, the major screening tool for prostate cancer, the prostate-specific antigen test, has unsuitable sensitivity. Since cancer cells may affect the pattern of consumption and excretion of nucleosides, such biomolecules are putative biomarkers that can be used for diagnosis and treatment evaluation. Using a previously validated method for the analysis of nucleosides in blood serum by capillary electrophoresis with UV-vis spectroscopy detection, we investigated 60 samples from healthy individuals and 42 samples from prostate cancer patients...
March 25, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28343330/human-papilloma-virus-hpv-infection-leads-to-the-development-of-head-and-neck-lesions-but-offers-better-prognosis-in-malignant-indian-patients
#2
Shreya Sarkar, Neyaz Alam, Jayanta Chakraborty, Jaydip Biswas, Syam Sundar Mandal, Susanta Roychoudhury, Chinmay Kumar Panda
Head and neck cancers constitute a multifactorial global disease burden and are associated with human papilloma virus (HPV) as a possible risk factor. The aim of the study is to understand the relationship between HPV and the development of head and neck lesions in Indian patients. To this end, frequency of HPV was assessed in relation to different demographic and etiological features and correlated with patient survival. The prevalence of HPV significantly increased from mild dysplastic lesions (43.6%) to head and neck squamous cell carcinoma (HNSCC) stage IV (68...
March 25, 2017: Medical Microbiology and Immunology
https://www.readbyqxmd.com/read/28343329/stress-fractures-of-the-foot-and-ankle-part-2-site-specific-etiology-imaging-and-treatment-and-differential-diagnosis
#3
Jacob C Mandell, Bharti Khurana, Stacy E Smith
Stress fractures of the foot and ankle are a commonly encountered problem among athletes and individuals participating in a wide range of activities. This illustrated review, the second of two parts, discusses site-specific etiological factors, imaging appearances, treatment options, and differential considerations of stress fractures of the foot and ankle. The imaging and clinical management of stress fractures of the foot and ankle are highly dependent on the specific location of the fracture, mechanical forces acting upon the injured site, vascular supply of the injured bone, and the proportion of trabecular to cortical bone at the site of injury...
March 25, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28343291/intercalary-frozen-autograft-for-reconstruction-of-malignant-bone-and-soft-tissue-tumours
#4
Karem M Zekry, Norio Yamamoto, Katsuhiro Hayashi, Akihiko Takeuchi, Takashi Higuchi, Kensaku Abe, Yuta Taniguchi, Ali Zein A A Alkhooly, Ahmed Saleh Abd-Elfattah, Ezzat H Fouly, Adel Refaat Ahmed, Hiroyuki Tsuchiya
PURPOSE: In 1999, we developed a technique using frozen autografts-tumour-containing bone treated with liquid nitrogen-for the reconstruction of malignant bone tumours. The purpose of this study was to evaluate the functional and oncological outcomes of frozen autografts for intercalary reconstruction of malignant bones and soft tissue tumours. METHODS: This retrospective study was designed to assess 34 patients of mean age 35 (range, 6-79) years. The mean follow-up period was 62 (24-214) months...
March 25, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28343229/cytological-findings-of-ascitic-fluid-with-a-malignant-ovarian-steroid-cell-tumor-a-case-report-and-literature-review
#5
Nobuaki Kosaka, Kiyoshi Hasegawa, Kaori Kiuchi, Shoko Ochiai, Tamiko Nagai, Hiromi Machida, Yasuo Imai, Ichio Fukasawa
BACKGROUND: Ovarian steroid cell tumors (SCTs) are rare and usually benign, although 25-43% are reportedly malignant. The cytologic findings of these rare ovarian tumors have almost never been reported. CASE: We report a rare case of a malignant ovarian SCT with peritoneal dissemination and malignant ascites in a 40-year-old woman. Her tumor was classified as stage IIB (pT2bNoM0) according to the FIGO (International Federation of Gynecology and Obstetrics) classification system, and she was treated with adjuvant chemotherapy following staging laparotomy...
March 25, 2017: Acta Cytologica
https://www.readbyqxmd.com/read/28343198/-why-ovarian-cancer-cells-escape-from-immune-surveillance
#6
Iwona Wertel, Karolina Okła, Justyna Surówka, Monika Bilska, Grzegorz Polak, Wiesława Bednarek, Jan Kotarski
Ovarian cancer is a malignancy of high mortality rates. In respect of the number of deaths caused by cancers it occupies the fourth place among women in Poland. Recent studies are focusing on the role of immune system in ovarian cancer pathogenesis. It has been reported that immune response against ovarian cancer cells may be inhibited by a number of immunosuppressive mechanisms active in cancer microenvironment. It causes difficulties in recognizing and destroying cancer cells by immune system which leads to the development of immune tolerance and is associated with a low efficacy of standard therapeutic strategies...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28343197/-skin-cancers-in-kidney-transplant-recipients
#7
Anna Bieryło, Szymon Brzósko, Elżbieta Laudańska, Beata Naumnik
Kidney transplantation is the best treatment for end-stage renal failure. It prolongs the patient's life, improves quality of life and reduces costs associated with renal replacement therapy. Increasingly, newer immunosuppressive regimens allow for the proper functioning of the transplanted organ for many years. The progress in transplantation, qualification patients in older age for the procedure and longer survival of kidney graft lead to an increase in the number of patients receiving immunosuppressive drugs...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28343174/mirna-analysis-in-pancreatic-cancer-the-dartmouth-experience
#8
Francine B de Abreu, Xiaoying Liu, Gregory J Tsongalis
Pancreatic cancer is considered one of the most lethal cancers being the fourth leading cause of cancer deaths in adults in the United States because of the lack of early signs and symptoms and the lack of early detection. Pancreatic ductal adenocarcinoma (PDAC) is the most common histological type among pancreatic cancers, representing 80%-90% of all solid tumors of the pancreas. The majority of PDAC develops from three precursor lesions: pancreatic intraepithelial neoplasia, intraductual papillary mucinous neoplasm and mucinous cystic neoplasm...
March 27, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28343162/mesothelin-promoter-variants-are-associated-with-increased-soluble-mesothelin-related-peptide-levels-in-asbestos-exposed-individuals
#9
Chiara De Santi, Perla Pucci, Alessandra Bonotti, Ombretta Melaiu, Monica Cipollini, Roberto Silvestri, Veronika Vymetalkova, Elisa Barone, Elisa Paolicchi, Alda Corrado, Irene Lepori, Irene Dell'Anno, Lucia Pellè, Pavel Vodicka, Luciano Mutti, Rudy Foddis, Alfonso Cristaudo, Federica Gemignani, Stefano Landi
BACKGROUND: Soluble mesothelin-related peptide (SMRP) is a promising diagnostic biomarker for malignant pleural mesothelioma (MPM), but various confounders hinder its usefulness in surveillance programmes. We previously showed that a single nucleotide polymorphism (SNP) within the 3'untranslated region (3'UTR) of the mesothelin (MSLN) gene could affect the levels of SMRP. OBJECTIVES: To focus on SNPs located within MSLN promoter as possible critical genetic variables in determining SMRP levels...
March 25, 2017: Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28343150/combined-intramedullary-and-intradural-extramedullary-spinal-metastases-in-malignant-melanoma
#10
Michael Kevin O'Reilly, Gavin Sugrue, Danielle Byrne, Peter MacMahon
No abstract text is available yet for this article.
March 25, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28343126/pi3k-signaling-in-cancer-beyond-akt
#11
REVIEW
Evan C Lien, Christian C Dibble, Alex Toker
The phosphoinositide 3-kinase (PI3K) signaling pathway is one of the most frequently altered pathways in human cancer and has a critical role in driving tumor initiation and progression. Although PI3K and its lipid product phosphatidylinositol-3,4,5-trisphosphate (PIP3) have been shown to activate multiple downstream signaling proteins, the vast majority of studies have focused on the protein kinase AKT as the dominant effector of PI3K signaling. However, recent studies have demonstrated many contexts under which other PIP3-dependent signaling proteins critically contribute to cancer progression, illustrating the importance of understanding AKT-independent signaling downstream of PI3K...
March 23, 2017: Current Opinion in Cell Biology
https://www.readbyqxmd.com/read/28343002/pulmonary-metastatic-angiosarcoma-from-scalp-with-fatal-complication-a-case-report
#12
Yung-Sheng Cheng, Tim-Mo Chen, Wen-Chiuan Tsai, Tsai-Wang Huang
INTRODUCTION: Angiosarcoma is a rare malignant neoplasm with poor prognosis. Angiosarcoma of the scalp is frequently recurs locally, and metastasizes early despite various treatments. The common sites of metastatic are lung, liver, and lymph nodes. Pulmonary metastasis with hemoptysis and pneumothorax is rare but threatening. PRESENTATION OF CASE: A 77-year-old male had recurrent angiosarcoma of the scalp even with post operation radiotherapy. At the same time, recurrent pneumothorax was noted, thus he underwent wedge resection of the right upper lobe of the lung plus pleural biopsy...
February 20, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28342863/disturbed-tryptophan-metabolism-correlating-to-progression-and-metastasis-of-esophageal-squamous-cell-carcinoma
#13
Jing Cheng, Hai Jin, Xiaobei Hou, Jie Lv, Xianfu Gao, Guangyong Zheng
Esophageal squamous cell carcinoma (ESCC) is one of the most frequent malignancies worldwide. Lymph node metastasis is the leading cause of death in ESCC patients. To identify early diagnostic and prognostic biomarkers of ESCC and elucidate underlying pathogenesis of the disease, a targeted metabolomics strategy based on liquid chromatography combined with tandem mass spectrometry was applied to explore tryptophan metabolism between ESCC patients, metastatic ESCC patients (mESCC), and healthy controls. Statistical analysis on metabolite expression abundance and compound concentration ratio was conducted to discriminate patients from healthy controls...
March 23, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28342837/-malignant-cutaneous-adnexal-neoplasms-of-the-face-and-scalp-diagnostic-and-therapeutic-update
#14
M Romeu, J M Foletti, C Chossegros, J P Dales, P Berbis, B Cribier, L Guyot
INTRODUCTION: Malignant cutaneous adnexal neoplasms are rare and have been characterized only recently. They can occur at any age but preferentially in elderly. There are 3 of them: trichoblastic carcinoma, trichilemmal carcinoma and malignant pilomatricoma. The aim of our study was to make a diagnostic and therapeutic update about these tumors when located at the face or at the scalp. MATERIALS AND METHODS: A bibliographic research was made on PubMed using following keywords: appendage skin carcinoma AND pathology AND/OR therapeutic...
March 22, 2017: J Stomatol Oral Maxillofac Surg
https://www.readbyqxmd.com/read/28342824/development-of-car-t-cells-designed-to-improve-antitumor-efficacy-and-safety
#15
REVIEW
Janneke E Jaspers, Renier J Brentjens
Chimeric antigen receptor (CAR) T cell therapy has shown promising efficacy against hematologic malignancies. Antitumor activity of CAR T cells, however, needs to be improved to increase therapeutic efficacy in both hematologic and solid cancers. Limitations to overcome are 'on-target, off-tumor' toxicity, antigen escape, short CAR T cell persistence, little expansion, trafficking to the tumor and inhibition of T cell activity by an inhibitory tumor microenvironment. Here we will discuss how optimizing the design of CAR T cells through genetic engineering addresses these limitations and improves the antitumor efficacy of CAR T cell therapy in pre-clinical models...
March 22, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28342776/effect-of-needle-size-in-ultrasound-guided-core-needle-breast-biopsy-comparison-of-14-16-and-18-gauge-needles
#16
Michela Giuliani, Pierluigi Rinaldi, Rossella Rella, Gina Fabrizi, Federica Petta, Giorgio Carlino, Alba Di Leone, Antonino Mulè, Enida Bufi, Maurizio Romani, Paolo Belli, Lorenzo Bonomo
INTRODUCTION: The aim of the present study was to assess the diagnostic accuracy of ultrasound-guided core needle biopsy (US-CNB) of breast lesions, comparing smaller needles (16- and 18-gauge) with the 14-gauge needle, and to analyze the lesion characteristics influencing US-CNB diagnostic performance. PATIENTS AND METHODS: All the patients provided informed consent before the biopsy procedure. The data from breast lesions that had undergone US-CNB in our institution from January 2011 to January 2015 were retrospectively reviewed...
March 6, 2017: Clinical Breast Cancer
https://www.readbyqxmd.com/read/28342660/caveolin-1-as-prognostic-factor-of-disease-recurrence-and-survival-in-patients-treated-with-radical-cystectomy-for-bladder-cancer
#17
Francesco Soria, Ilaria Lucca, Marco Moschini, Romain Mathieu, Morgan Rouprêt, Pierre I Karakiewicz, Alberto Briganti, Michael Rink, Kilian M Gust, Melanie R Hassler, Beat Foerster, Mohammad Abufarraj, Andrea Haitel, Tobias Klatte, Shahrokh F Shariat
PURPOSE: Overexpression of Caveolin-1 has been associated with cancer growth, migration, and metastases in several malignancies, but only few data are available on its role in bladder cancer (BCa). The aim of this study is to validate Caveolin-1 as a prognosticator of recurrence-free survival (RFS), overall survival (OS) and cancer-specific survival (CSS) in a large cohort of patients treated with radical cystectomy (RC) for BCa. METHODS: Caveolin-1 expression was evaluated by immunochemistry on a tissue microarray from 424 patients treated with RC for UCB at a single institution...
March 22, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28342657/targeting-bap1-a-new-paradigm-for-mesothelioma
#18
EDITORIAL
L M Schunselaar, W Zwart, P Baas
New treatment strategies for malignant pleural mesothelioma (MPM) are important. BAP1 mutations are present in 47-67% of the MPM tumors, making this a good target for treatment. Multiple functions of BAP1 are investigated in the preclinical situation. Due to many functions of BAP1, the phenotypic effect of BAP1 is diverse. Preclinical data on inhibitors reversing these phenotypic effects are promising. However, the mechanism of BAP1 is not fully elucidated yet and further research about the mechanism and possible inhibitors is necessary...
March 18, 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28342558/high-intensity-focused-ultrasound-as-first-line-treatment-in-patients-with-chronic-angle-closure-glaucoma-at-risk-for-malignant-glaucoma
#19
M Graber, Z Khoueir, A Beauchet, N Benhatchi, S Hammoud, Y Lachkar
PURPOSE: Evaluation of high intensity focused ultrasound (HIFU) transscleral cyclocoagulation as an alternative to trabeculectomy in the treatment of refractory chronic angle closure glaucoma (CACG). METHODS: This prospective one armed single center pilot study was conducted on patients with medically uncontrolled CACG who underwent high intensity focused ultrasound (HIFU) cyclocoagulation as first line surgical treatment, using the Eye-OP1 HIFU device (Eyetechcare-Rillieux-la-Pape, France) driven by ultrasound biomicroscopic (UBM) ciliary body localization...
March 22, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28342533/eosinophilic-dermatosis-of-hematologic-malignancy
#20
S Lucas-Truyols, B Rodrigo-Nicolás, C Lloret-Ruiz, E Quecedo-Estébanez
Dermatosis characterized by tissue eosinophilia arising in the context of hematologic disease is known as eosinophilic dermatosis of hematologic malignancy. The most commonly associated malignancy is chronic lymphocytic leukemia. Eosinophilic dermatosis of hematologic malignancy is a rare condition with a wide variety of clinical presentations, ranging from papules, erythematous nodules, or blisters that simulate arthropod bites, to the formation of true plaques of differing sizes. Histology reveals the presence of abundant eosinophils...
March 22, 2017: Actas Dermo-sifiliográficas
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