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https://www.readbyqxmd.com/read/29169190/measurement-of-basal-serum-calcitonin-for-the-diagnosis-of-medullary-thyroid-cancer
#1
Stephanie Allelein, Margret Ehlers, Corinna Morneau, Katharina Schwartz, Peter E Goretzki, Thomas Seppel, Joachim Feldkamp, Andreas Krieg, Wolfram Trudo Knoefel, Anne Kuebart, Matthias Haase, Till Dringenberg, Christine Schmid, Matthias Schott
Calcitonin (CT), a tumor marker for medullary thyroid cancer (MTC), can be stimulated with pentagastrin or calcium. Because of the unavailability of pentagastrin, basal CT measurement is frequently used for the preoperative diagnosis of MTC. The aim of the study was to define basal serum calcitonin (bCT) cut-off thresholds for diagnosing MTC. Within a retrospective analysis, 114 patients (51 males) were included fulfilling the criteria of an increased preoperative bCT level (>10 pg/ml) and the criteria of an available postoperative histology analysis...
November 23, 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/29169158/potential-targets-and-clinical-value-of-mir-224-5p-in-cancers-of-the-digestive-tract
#2
Lu Zhang, Lan-Shan Huang, Gang Chen, Zhen-Bo Feng
BACKGROUND/AIMS: MicroRNAs participate in various biological processes in malignant tumors. However, the mechanisms of miR-224-5p in digestive system cancers are not fully understood. A comprehensive investigation of the clinical value and potential targets of miR-224-5p in cancers of the digestive tract is necessary. METHODS: Expression profiling data and related-prognostic data of miR-224-5p were acquired from Gene Expression Omnibus, The Cancer Genome Atlas, ArrayExpress, and published literature...
November 23, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29169153/optimal-trough-concentration-of-teicoplanin-in-febrile-neutropenic-patients-with-hematological-malignancy
#3
Yuhki Sato, Kazufumi Hiramatsu, Yosuke Suzuki, Ryota Tanaka, Tetsuya Kaneko, Ko Nonoshita, Masao Ogata, Jun-Ichi Kadota, Hiroki Itoh
BACKGROUND: Teicoplanin is a glycopeptide antibiotic currently used for the treatment of methicillin-resistant Staphylococcus aureus. The need for therapeutic drug monitoring of teicoplanin has been increasingly highlighted as important. It is generally accepted that whereas a plasma trough concentration (Cmin) of ≥10 mg/L is appropriate for the majority of infections, it should exceed 20 mg/L for severe infections. The target Cmin of teicoplanin in patients with febrile neutropenia (FN) has not been reported...
November 24, 2017: Chemotherapy
https://www.readbyqxmd.com/read/29169144/targeting-the-wnt-beta-catenin-pathway-in-cancer-update-on-effectors-and-inhibitors
#4
REVIEW
Nithya Krishnamurthy, Razelle Kurzrock
The Wnt/beta-catenin pathway is a family of proteins that is implicated in many vital cellular functions like stem cell regeneration and organogenesis. Several intra-cellular signal transduction pathways are induced by Wnt, notably the Wnt/beta-catenin dependent pathway or canonical pathway and the non-canonical or beta-catenin-independent pathway, the latter includes the Wnt/Ca2+ and Planar Cell Polarity pathway (PCP). Wnt activation occurs at the intestinal crypt floor, and is critical to optimal maintenance of stem cells...
November 13, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/29168975/treating-malignant-melanoma-when-a-rare-braf-v600m-mutation-is-present-case-report-and-literature-review
#5
Andrei Popescu, Andrei Haidar, Rodica Maricela Anghel
Recent years have brought major advances in the treatment of malignant melanoma. One such an advance is the treatment with BRAF tyrosine-kinase inhibitors in metastatic malignant melanomas that harbor mutations in the BRAF gene. The trials that have been performed in this setting have demonstrated superior response rates and increased overall survival, however they mostly included patients with melanomas carrying the more common V600E and V600K mutations, not being able to assess the benefit of these treatments in situations where more rare mutations of the BRAF gene are present...
November 27, 2017: Romanian Journal of Internal Medicine, Revue Roumaine de Médecine Interne
https://www.readbyqxmd.com/read/29168692/jak2-mediated-phosphorylation-of-atoh1-is-critical-for-medulloblastoma-growth
#6
Tiemo J Klisch, Anna Vainshtein, Akash J Patel, Huda Y Zoghbi
Treatment for medulloblastoma, the most common malignant brain tumor in children, remains limited to surgical resection, radiation, and traditional chemotherapy; with long-term survival as low as 50-60% for Sonic Hedgehog (Shh)-type medulloblastoma. We have shown that the transcription factor Atonal homologue 1 (Atoh1) is required for Shh-type medulloblastoma development in mice. To determine whether reducing either Atoh1 levels or activity in the tumor after its development, we studied Atoh1 dosage and modifications in Shh-type medulloblastoma...
November 23, 2017: ELife
https://www.readbyqxmd.com/read/29168646/anal-cytology-histopathology-and-anoscopy-in-an-anal-dysplasia-screening-program-is-anal-cytology-enough
#7
Marco Silva, Armando Peixoto, José Alexandre Sarmento, Rosa Coelho, Guilherme Macedo
BACKGROUND AND AIM: The human papilloma virus is the leading cause of anal squamous cell carcinoma. Cytological screening may reduce the associated morbidity and mortality. The aim of the study was to estimate the agreement between anal cytological examination, histopathology and anoscopic visual impression. METHODS: A prospective study of patients who underwent anal dysplasia screening between 2011 and 2015, in a proctology clinic of a tertiary referral center...
November 23, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/29168591/sampling-of-wide-local-excision-specimens-in-cutaneous-malignant-melanoma
#8
Cassie Fives, Cynthia C B B Heffron
BACKGROUND: Wide local excisions (WLE) are frequently undertaken in the management of cutaneous melanoma; however there is considerable variability in their macroscopic sampling. The aim of our study was to establish evidence-based guidelines for the macroscopic handling of these specimens with a subsequent review of the impact on our service. METHODS: The study group of 128 cases with initial biopsy and subsequent WLE in our institution in 2010 were identified by a computer-generated search...
November 23, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/29168428/standardized-assessment-of-tumor-infiltrating-lymphocytes-in-breast-cancer-an-evaluation-of-inter-observer-agreement-between-pathologists
#9
Trine Tramm, Tina Di Caterino, Anne-Marie B Jylling, Giedrius Lelkaitis, Anne-Vibeke Lænkholm, Péter Ragó, Tomasz P Tabor, Maj-Lis M Talman, Emmanouela Vouza
INTRODUCTION: In breast cancer, there is a growing body of evidence that tumor-infiltrating lymphocytes (TILs) may have clinical utility and may be able to direct clinical decisions for subgroups of patients. Clinical utility is, however, not sufficient for warranting the implementation of a new biomarker in the routine practice, and evaluation of the analytical validity is needed, including testing the reproducibility of decentralized assessment of TILs. The aim of this study was to evaluate the inter-observer agreement of TILs assessment using a standardized method, as proposed by the International TILs Working Group 2014, applied to a cohort of breast cancers reflecting an average breast cancer population...
November 23, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/29168427/neoadjuvant-letrozole-for-postmenopausal-estrogen-receptor-positive-her2-negative-breast-cancer-patients-a-study-from-the-danish-breast-cancer-cooperative-group-dbcg
#10
Signe Korsgaard Skriver, Anne-Vibeke Laenkholm, Birgitte Bruun Rasmussen, Jürgen Handler, Bo Grundtmann, Tove Filtenborg Tvedskov, Peer Christiansen, Ann S Knoop, Maj-Britt Jensen, Bent Ejlertsen
INTRODUCTION: Neoadjuvant endocrine treatment (NET) is a low-toxicity approach to achieve operability in locally advanced breast cancer, and to facilitate breast conservation in early breast cancer, particular in patients with highly estrogen receptor (ER) positive and HER2-negative disease. Here, we report the results obtained by neoadjuvant letrozole in patients with early breast cancer in a phase-II design. MATERIAL AND METHODS: A total of 119 postmenopausal women with ER-positive, HER2-negative operable breast cancer were assigned to four months of neoadjuvant letrozole before definitive surgery...
November 23, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/29168399/vacuolar-atpase-as-a-possible-therapeutic-target-in-human-acute-myeloid-leukemia
#11
Elise Aasebø, Sushma Bartaula-Brevik, Maria Hernandez-Valladares, Øystein Bruserud
V-ATPase is a proton pump expressed both in the membrane of intracellular organelles (e.g. endosomes, lysosomes, Golgi structures) and the plasma membrane. It is an important regulator of organellar functions, intracellular molecular trafficking, intercellular communication and intracellular signaling. It is therefore considered as a possible therapeutic target in the treatment of human malignancies. Areas covered: Relevant publications were identified through literature searches in the PubMed database. We searched for original articles and reviews describing the possible importance of V-ATPase for leukemogenesis and chemosensitivity in human myeloid cells, especially acute myeloid leukemia (AML) cells...
November 23, 2017: Expert Review of Hematology
https://www.readbyqxmd.com/read/29168361/hypophosphatemia-associated-risk-factors-in-pediatric-intensive-care-patients
#12
Emine Sibel Şan, Seher Erdoğan, Mehmet Boşnak, Murat Şan
Şan ES, Erdoğan S, Boşnak M, Şan M. Hypophosphatemia associated risk factors in pediatric intensive care patients. Turk J Pediatr 2017; 59: 35-41. The aim of this work is to determine the prevalence and risk factors of hypophosphatemia in pediatric patients admitted to intensive care unit. The study was performed prospectively in patients admitted to the Pediatric Intensive Care Unit between June 2014 and December 2014. Fifty-seven patients were included in the study. The mean age of the study population was 24 months (2-192 months); 25 patients (43...
2017: Turkish Journal of Pediatrics
https://www.readbyqxmd.com/read/29168356/single-institution-experience-on-cancer-among-adolescents-15-19-years-of-age
#13
Begül Yağcı-Küpeli, Canan Akyüz, Bilgehan Yalçın, Ali Varan, Tezer Kutluk, Münevver Büyükpamukçu
Yağcı-Küpeli B, Akyüz C, Yalçın B, Varan A, Kutluk T, Büyükpamukçu M. Single institution experience on cancer among adolescents 15-19 years of age. Turk J Pediatr 2017; 59: 1-5. Adolescent cancers differ from other age groups in terms of cancer types, treatment and outcome. We aimed to present our institutional data on survival of certain types of cancer in adolescents. Hospital files were retrospectively evaluated for distribution of tumor types, clinical features, and overall and event-free survival (OS and EFS) rates in adolescents with malignant tumors...
2017: Turkish Journal of Pediatrics
https://www.readbyqxmd.com/read/29168352/patient-satisfaction-with-information-on-oral-anticancer-agent-use
#14
Christel C L M Boons, Lonneke Timmers, Natasja M van Schoor, Eleonora L Swart, N Harry Hendrikse, Jeroen J W M Janssen, Jacqueline G Hugtenburg
Adequate information on oral anticancer agent (OACA) use is an essential element of optimal cancer care. The present study aimed to get insight into the experiences of patients with information on OACA treatment and their characteristics regarding information dissatisfaction. Patients of four Dutch university hospitals using OACA participated in this observational study and completed the Satisfaction with Information about Medicines Scale (SIMS), EORTC Quality of Life Questionnaire-C30, Brief Illness Perception Questionnaire, and Beliefs about Medicines Questionnaire-Specific...
November 23, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/29168273/synergistic-inhibition-of-cell-proliferation-by-combined-targeting-with-kinase-inhibitors-and-dietary-xanthone-is-a-promising-strategy-for-melanoma-treatment
#15
Y Xia, J Sun
α-Mangostin is a dietary xanthone that displays various biological activities, and numerous reports have shown its efficacy in cancer prevention and inhibition. As most agents have been shown to be ineffective as single-agent therapy for malignant melanoma (MM), the principle of targeted chemotherapy for MM is to use effective inhibitors and combination methods. In this study, we tested the cytotoxicity of several kinase inhibitors, including the glycogen synthase kinase (GSK)-3 inhibitor CHIR99021, and rapamycin, in combination with a dietary xanthone, α-mangostin, by screening from a kinase inhibitor library for melanogenesis in SK-MEL-2 MM cells, and verified these by clone formation efficiency, terminal dUTP nick end labelling, and expression of apoptosis-related proteins...
November 22, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/29168236/a-prospective-multicenter-phase-ii-study-of-intrabone-marrow-transplantation-of-unwashed-cord-blood-using-reduced-intensity-conditioning
#16
Masaya Okada, Taizo Tasaka, Kazuhiro Ikegame, Nobuyuki Aotsuka, Takeshi Kobayashi, Yuho Najima, Yoshiko Matsuhashi, Hideho Wada, Hirotoshi Tokunaga, Shinichi Masuda, Yoshikazu Utsu, Satoshi Yoshihara, Katsuji Kaida, Takashi Daimon, Hiroyasu Ogawa
Cord blood transplantation (CBT) is associated with delayed hematopoietic recovery and graft failure. To overcome these problems, we conducted a prospective, multicenter phase II study of intrabone marrow transplantation in which patients received reduced-intensity conditioning without anti-thymocyte globulin. The primary endpoint was the probability of full donor engraftment. Forty patients with hematologic malignancies were enrolled. CB cells were injected without washing into 4 iliac bone sites (2 at each hemipelvis), at which approximately 6 mL of CB was administered at one site with local anesthesia...
November 23, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/29168185/yy1-suppresses-proliferation-and-migration-of-pancreatic-ductal-adenocarcinoma-by-regulating-the-cdkn3-mdm2-p53-p21-signaling-pathway
#17
Dongfang Liu, Jingjing Zhang, Yang Wu, Guodong Shi, Hao Yuan, Zipeng Lu, Qicong Zhu, Pengfei Wu, Cheng Lu, Feng Guo, Jianmin Chen, Kuirong Jiang, Yi Miao
Pancreatic ductal adenocarcinoma (PDAC) is one of the malignant lethal tumors. It has been reported that the transcriptional regulator Yin Yang-1 (YY1) suppressed the invasion and metastasis of PDAC. However, the function of YY1 on proliferation and migration of pancreatic cancer remains to be clarified. In this study, we found that YY1 overexpression or knockdown can inhibit or promote the proliferation and migration of pancreatic cancer cells. Digital gene expression (DGE) sequencing indicates that cyclin-dependent kinase inhibitor 3 (CDKN3) may be the candidate target gene of YY1...
November 23, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29168171/the-arginine-metabolome-in-acute-lymphoblastic-leukemia-can-be-targeted-by-the-peg-recombinant-arginase-i-bct-100
#18
Carmela De Santo, Sarah Booth, Ashley Vardon, Antony Cousins, Vanessa Tubb, Tracey Perry, Boris Noyvert, Andrew Beggs, Margaret Ng, Christina Halsey, Pamela Kearns, Paul Cheng, Francis Mussai
Arginine is a semi-essential amino acid that plays a key role in cell survival and proliferation in normal and malignant cells. BCT-100, a pegylated recombinant human arginase, can deplete arginine and starve malignant cells of the amino acid. Acute Lymphoblastic Leukemia is the most common cancer of childhood, yet for patients with high risk or relapsed disease prognosis remains poor. We show that BCT-100 is cytotoxic to ALL blasts from patients in vitro by necrosis, and is synergistic in combination with dexamethasone...
November 23, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29168160/cladribine-to-treat-relapsing-forms-of-multiple-sclerosis
#19
REVIEW
Gavin Giovannoni
Cladribine is a purine nucleoside analogue that selectively depletes peripheral lymphocytes without a major impact on cells of the innate immune system. An oral formulation of cladribine has been developed to be given as short courses over two annual cycles. Oral cladribine results in the peripheral depletion of lymphocytes that is gradual, occurring over several weeks, and is not associated with a cell lysis syndrome, has a greater impact on B cells than T cells, and is followed by gradual reconstitution of the peripheral lymphocyte counts over several months...
November 22, 2017: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
https://www.readbyqxmd.com/read/29168152/dermatomyositis-and-colorectal-cancer-a-systematic-review
#20
Ioannis D Gkegkes, Evelyn E Minis, Christos Iavazzo
BACKGROUND: Dermatomyositis (DM) is an idiopathic inflammatory myositis. The principal characteristics are cutaneous rash, muscle ache, and muscle weakness. In the past, associations have been established between DM and malignancy, including colorectal cancer. METHODS: A systematic PubMed and Scopus search was conducted. RESULTS: The median age of the patients was 65 years (range 40-82). The majority were female (17 out of 27, 63%). Adenocarcinoma was the most frequent histological type of colorectal neoplasm...
November 22, 2017: Irish Journal of Medical Science
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