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https://www.readbyqxmd.com/read/29145657/the-utility-of-blood-neuroendocrine-gene-transcript-measurement-in-the-diagnosis-of-bronchopulmonary-neuroendocrine-tumours-and-as-a-tool-to-evaluate-surgical-resection-and-disease-progression
#1
Pier Luigi Filosso, Mark Kidd, Matteo Roffinella, Anna Lewczuk, Kyung-Min Chung, Agnieszka Kolasinska-Cwikla, Jaroslaw Cwikla, Anna Lowczak, Anna Doboszynska, Anna Malczewska, Maria Catalano, Valentina Zunino, Monica Boita, Emanuela Arvat, Riccardo Cristofori, Francesco Guerrera, Alberto Oliaro, Margot Tesselaar, Wieneke Buikhuisen, Beata Kos-Kudla, Mauro Papotti, Lisa Bodei, Ignat Drozdov, Irvin Modlin
OBJECTIVES: The management of bronchopulmonary neuroendocrine tumours (BPNETs) is difficult, since imaging, histology and biomarkers have a limited value in diagnosis, predicting outcome and defining therapeutic efficacy. We evaluated a NET multigene blood test (NETest) to diagnose BPNETs, assess disease status and evaluate surgical resection. METHODS: (i) Diagnostic cohort: BP carcinoids (n = 118)-typical carcinoid, n = 67 and atypical carcinoid, n = 51; other lung NEN (large-cell neuroendocrine carcinoma and small-cell lung carcinoma, n = 13); adenocarcinoma, (n = 26); squamous cell carcinoma (n = 23); controls (n = 90) and chronic obstructive pulmonary disease (n = 18)...
November 13, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29145648/relative-performance-of-hpv-and-cytology-components-of-cotesting-in-cervical-screening
#2
Mark Schiffman, Walter K Kinney, Li C Cheung, Julia C Gage, Barbara Fetterman, Nancy E Poitras, Thomas S Lorey, Nicolas Wentzensen, Brian Befano, John Schussler, Hormuzd A Katki, Philip E Castle
Background: The main goal of cervical screening programs is to detect and treat precancer before cancer develops. Human papillomavirus (HPV) testing is more sensitive than cytology for detecting precancer. However, reports of rare HPV-negative, cytology-positive cancers are motivating continued use of both tests (cotesting) despite increased testing costs. Methods: We quantified the detection of cervical precancer and cancer by cotesting compared with HPV testing alone at Kaiser Permanente Northern California (KPNC), where 1 208 710 women age 30 years and older have undergone triennial cervical cotesting since 2003...
November 14, 2017: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/29145557/comparative-analysis-of-the-growth-pattern-of-thyroid-cancer-in-young-patients-screened-by-ultrasonography-in-japan-after-a-nuclear-accident-the-fukushima-health-management-survey
#3
Sanae Midorikawa, Akira Ohtsuru, Michio Murakami, Hideto Takahashi, Satoru Suzuki, Takashi Matsuzuka, Hiroki Shimura, Tetsuya Ohira, Shin-Ichi Suzuki, Seiji Yasumura, Shunichi Yamashita, Hitoshi Ohto, Koichi Tanigawa, Kenji Kamiya
Importance: Thyroid cancer generally grows at a very slow rate in adults, and overdiagnosis is a global issue. However, the detection of early-stage thyroid cancer by screening is not well described in young patients. To prevent overdiagnosis, it is essential to understand the natural course of thyroid cancer growth detection by ultrasonography screening in young patients. Objective: To evaluate the natural progression of thyroid cancer in young patients. Design, Setting, and Participants: An observational study evaluated changes in the diameter of malignant or suspected malignant thyroid tumors on 2 occasions...
November 16, 2017: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/29145346/role-of-delayed-time-point-imaging-during-abdominal-and-pelvic-cancer-screening-using-fdg-pet-ct-in-the-general-population
#4
Shotaro Naganawa, Takeharu Yoshikawa, Koichiro Yasaka, Eriko Maeda, Naoto Hayashi, Osamu Abe
Although delayed-time-point imaging is expected to improve the results of [F]-fluorodeoxyglucose (FDG)-positron emission tomography/computed tomography (PET/CT), how examinees will benefit from dual-time-point imaging versus initial-time-point imaging alone, remains unclear. This study investigated the role of delayed-time-point imaging in improving the results of abdominal and pelvic cancer screening using FDG-PET/CT.This retrospective review included 3131 screening results (average subject age: 55.5 years, range: 40-88 years)...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29145267/osteoblastic-bone-metastases-from-neuroendocrine-tumor-net-of-unknown-origin-detected-by-18fluorocholine-pet-ct-and-its-comparison-with-68gallium-dotatoc-pet-ct-case-report-and-review-of-the-literature
#5
Alberto Bongiovanni, Federica Recine, Monica Celli, Giulia Marcantognini, Flavia Foca, Chiara Liverani, Valentina Fausti, Alessandro De Vita, Giacomo Miserocchi, Laura Mercatali, Dino Amadori, Toni Ibrahim
RATIONALE: Choline (CH) positron emission tomography (PET)/computed tomography (CT) with fluorine 18 (F) CH is increasingly used not only to evaluate patients with biochemically recurrent prostate cancer but also to assess metastatic lesions that are difficult or impossible to identify using more conventional modalities. Our experience with CH PET/CT has shown that it can also be used for many other malignancies. PRESENTING CONCERNS: A 71-year-old male with a neuroendocrine tumor (NET) of unknown origin showed osteoblastic bone metastases positive to F-CH PET...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29145247/comparison-of-chemoradiotherapy-with-and-without-brachytherapy-as-adjuvant-therapy-after-radical-surgery-in-early-stage-cervical-cancer-with-poor-prognostic-factors-an-observational-study
#6
Mei-Ling Lan, Xian Yu, He Xiao, Peng Zhou, Nan Hu, Yun Liu, Ge Wang
This study aimed to determine whether the addition of intracavitary brachytherapy (ICBT) to chemoradiotherapy (CRT) improves outcome in patients with cervical cancer and poor prognostic factors. Patients with stage IB to IIA cervical cancer who had undergone radical hysterectomy and pelvic lymphadenectomy between August 2008 and December 2014 were retrospectively registered in this study. All patients received external beam radiation therapy (EBRT) + chemotherapy, and some patients additionally received ICBT...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29145239/two-case-reports-colorectal-adenocarcinoma-in-children
#7
Chang Hoon Ahn, Soon Chul Kim
RATIONALE: Colorectal cancer in children is rare, with delayed diagnosis and advanced stage at presentation in high mortality. Early detection of colorectal cancer is, therefore, important for better prognosis. PATIENT CONCERNS: Thirteen-year-old boy presented with symptoms of melena, vomiting, and abdominal pain for 6 months. 18-year-old girl was hospitalized due to the symptoms of hematochezia, and persistent abdominal pain for 6 months. They have no chronic disease or familial history of malignancy...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29145210/diphthamide-biosynthesis-1-is-a-novel-oncogene-in-colorectal-cancer-cells-and-is-regulated-by-mir-218-5p
#8
Minghui Liu, Kai Yin, Xu Guo, Huijin Feng, Min Yuan, Yanqing Liu, Jianguo Zhang, Baoliang Guo, Chen Wang, Guangxin Zhou, Zhen Zhou, Chen-Yu Zhang, Xi Chen
BACKGROUND/AIMS: This study focused on the oncogenic role of Diphthamide biosynthesis 1 (DPH1) in colorectal cancer (CRC) cells. METHODS: The expression of DPH1 was determined by quantitative RT-PCR analysis and western blotting in CRC tissues. The role of DPH1 in CRC cells was investigated via cell viability and invasion assays under the condition of DPH1 silencing or overexpression. Bioinformatics analysis and luciferase reporter analysis were used to identify the upstream microRNA which might regulate DPH1...
November 17, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29145193/huaier-extract-inhibits-breast-cancer-progression-through-a-lncrna-h19-mir-675-5p-pathway
#9
Jijun Wang, Xiaolong Wang, Tong Chen, Liyu Jiang, Qifeng Yang
BACKGROUND/AIMS: Increasing evidence indicates that Huaier extract has promising therapeutic effects against cancer. However, the mechanisms that underlie its anti-tumor effects remain unclear. In recent years, various studies have shown that long noncoding RNAs (lncRNAs) play a critical role in the regulation of cancer development and progression. Here, we explored the role of lncRNAs in Huaier-induced tumor suppression. METHODS: Microarray profiling was performed to identify the candidate lncRNAs affected by Huaier extract...
November 17, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29145073/target-induced-proximity-ligation-triggers-recombinase-polymerase-amplification-and-transcription-mediated-amplification-to-detect-tumor-derived%C3%A2-exosomes-in-nasopharyngeal-carcinoma-with-high-sensitivity
#10
Wanli Liu, Jianpei Li, Yixian Wu, Shan Xing, Yanzhen Lai, Ge Zhang
Tumor-derived exosomes (TEXs) are extracellular vesicles that are continuously released into the blood by tumor cells and carry specific surface markers of the original tumor cells. Substantial evidence has implicated TEXs as attractive diagnostic markers for cancer. However, the detection of TEXs in blood at an early tumor stage is challenging due to their very low concentration. Here, we established a method called PLA-RPA-TMA assay that allows TEXs to be detected with high sensitivity and specificity. Based on two proximity ligation assay (PLA) probes that recognize a biomarker on a TEX, we generated a unique surrogate DNA signal for the specific biomarker, which was synchronously amplified twice by recombinase polymerase amplification (RPA) coupled with transcription-mediated amplification (TMA), and then the products of the RPA-TMA reaction were quantitatively detected using a gold nanoparticle-based colorimetric assay...
November 9, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/29144945/re-association-between-combined-tmprss2-erg-and-pca3-rna-urinary-testing-and-detection-of-aggressive-prostate-cancer
#11
Samir S Taneja
No abstract text is available yet for this article.
December 2017: Journal of Urology
https://www.readbyqxmd.com/read/29144823/the-relationship-of-braf-v600e-mutation-status-to-fdg-pet-ct-avidity-in-thyroid-cancer-a-review-and-meta-analysis
#12
Prasanna Santhanam, Rodhan Khthir, Lilja B Solnes, Paul W Ladenson
OBJECTIVES: Papillary thyroid cancers harboring BRAF (V600E) gene mutation have been shown to exhibit aggressive tumor behaviors and higher risks of recurrence and disease-specific death. In this systematic review and meta-analysis, we examine and report published evidence related to the accuracy of FDG-PET-CT in detection of residual disease in patients' with BRAF (V600E) mutated thyroid cancer. METHODS: We extracted data from PUBMED/MEDLINE and EMBASE from January, 1995 to March, 2017...
November 16, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/29144798/pancreas-metastases-from-papillary-thyroid-carcinoma-a-review-of-the-literature
#13
Maja Davidson, Randall J Olsen, April A Ewton, Richard J Robbins
OBJECTIVE: Although loco-regional metastases occur in 5-10% of patients with papillary thyroid cancer (PTC), distant metastases are rare, especially to the pancreas. Here we review the literature regarding metastases to the pancreas from PTC and present an illustrative patient. METHODS: The literature search was performed through www.pubmed.org . The information regarding our illustrative case was obtained from the medical records of our institution. RESULTS: Since 1991, 11 cases of pancreas metastases of PTC have been reported...
November 16, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/29144792/effect-of-blood-collection-tube-type-and-time-to-processing-on-the-enumeration-and-high-content-characterization-of-circulating-tumor-cells-using-the-high-definition-single-cell-assay
#14
Mariam Rodríguez-Lee, Anand Kolatkar, Madelyn McCormick, Angel D Dago, Jude Kendall, Nils Anders Carlsson, Kelly Bethel, Emily J Greenspan, Shelley E Hwang, Kathryn R Waitman, Jorge J Nieva, James Hicks, Peter Kuhn
CONTEXT: - As circulating tumor cell (CTC) assays gain clinical relevance, it is essential to address preanalytic variability and to develop standard operating procedures for sample handling in order to successfully implement genomically informed, precision health care. OBJECTIVE: - To evaluate the effects of blood collection tube (BCT) type and time-to-assay (TTA) on the enumeration and high-content characterization of CTCs by using the high-definition single-cell assay (HD-SCA)...
November 16, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/29144791/is-there-a-role-for-programmed-death-ligand-1-testing-and-immunotherapy-in-colorectal-cancer-with-microsatellite-instability-part-i-colorectal-cancer-microsatellite-instability-testing-and-clinical-implications
#15
Esmeralda Celia Marginean, Barbara Melosky
CONTEXT: - Colorectal cancer (CRC) represents the third most-common cancer in developed countries and is a leading cause of cancer deaths worldwide. Two recognized pathways contribute to CRC development: a more-common chromosomal instability pathway and, in 15% of cases, a deficient mismatch repair or microsatellite instability-high (MSI-H) pathway. The MSI-H CRC can be associated with somatic or germline mutations. Microsatellite status has been recognized as a prognostic and predictive biomarker...
November 16, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/29144756/controlling-graphene-bio-interface-dispersions-in-animal-sera-for-enhanced-stability-and-reduced-toxicity
#16
Ajith Pattammattel, Paritosh Pande, Deepa Kuttappan, Megan Puglia, Ashis K Basu, Mary Amalaradjou, Challa V Kumar
Controlling the graphene-bio interface is important for biological applications of graphene, which is touted as the wonder material of the new century. Graphene samples made in animal sera indicated low toxicity to cells and nematodes, due to the adsorption of the serum proteins on the nascent graphene sheets. The graphite samples were exfoliated in 6 different animal sera, using three different methods, shear reactor, the kitchen blender and by ultrasonication, and maximum efficiency was noted with the kitchen blender...
November 16, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/29144552/simultaneous-determination-of-tilianin-and-its-metabolites-in-mice-using-ultra-high-performance-liquid-chromatography-with-tandem-mass-spectrometry-and-its-application-to-a-pharmacokinetic-study
#17
Liping Wang, Qingwei Chen, Lijun Zhu, Xuejun Zeng, Qiang Li, Ming Hu, Xinchun Wang, Zhongqiu Liu
Tilianin is an active flavonoid glycoside found in many medical plants. Data are lacking regarding its pharmacokinetics and disposition in vivo. The objective of this study was to develop a sensitive, reliable, and validated ultra-high-performance liquid chromatography with tandem mass spectrometry (UHPLC-MS/MS) method to simultaneously quantify tilianin and its main metabolites and to determine its pharmacokinetics in wild-type and breast cancer resistance protein knockout (Bcrp1-/-) FVB mice. Chromatographic separation was accomplished on a C18 column by utilizing acetonitrile and 0...
November 16, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/29144546/presence-of-infection-and-analysis-of-hpv-subtypes-in-girls-younger-than-9-years-old-attended-at-a-referral-service-in-esp%C3%A3-rito-santo-brazil
#18
Mariana Penha De Nadai Sartori, Lidiane Pignaton Agostini, Thaís Tristão Tovar, Raquel Silva Dos Reis, Raquel Spinassé Dettogni, Eldamária de Vargas Wolfgramm Dos Santos, Antônio Chambô Filho, Iúri Drumond Louro
PURPOSE: Human papillomavirus is found in adults and adolescents and is associated with genital warts and cervical cancer. However, it has been detected in girls younger than 10 years old. Currently, there are no prevention methods for this age group, since it is not considered a risk group. The aim of this study was to evaluate the presence of infection and HPV subtype in girls under 9 years old attended at a referral service in the State of Espírito Santo, Brazil. METHODS: Forty-three girls younger than 9 years old had gynecological brush samples collected from vulval and perineal/anal regions...
November 16, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/29144448/regeneration-of-the-entire-human-epidermis-using-transgenic-stem-cells
#19
Tobias Hirsch, Tobias Rothoeft, Norbert Teig, Johann W Bauer, Graziella Pellegrini, Laura De Rosa, Davide Scaglione, Julia Reichelt, Alfred Klausegger, Daniela Kneisz, Oriana Romano, Alessia Secone Seconetti, Roberta Contin, Elena Enzo, Irena Jurman, Sonia Carulli, Frank Jacobsen, Thomas Luecke, Marcus Lehnhardt, Meike Fischer, Maximilian Kueckelhaus, Daniela Quaglino, Michele Morgante, Silvio Bicciato, Sergio Bondanza, Michele De Luca
Junctional epidermolysis bullosa (JEB) is a severe and often lethal genetic disease caused by mutations in genes encoding the basement membrane component laminin-332. Surviving patients with JEB develop chronic wounds to the skin and mucosa, which impair their quality of life and lead to skin cancer. Here we show that autologous transgenic keratinocyte cultures regenerated an entire, fully functional epidermis on a seven-year-old child suffering from a devastating, life-threatening form of JEB. The proviral integration pattern was maintained in vivo and epidermal renewal did not cause any clonal selection...
November 16, 2017: Nature
https://www.readbyqxmd.com/read/29144439/cell-line-secretome-and-tumor-tissue-proteome-markers-for-early-detection-of-colorectal-cancer-a-systematic-review
#20
REVIEW
Megha Bhardwaj, Vanessa Erben, Petra Schrotz-King, Hermann Brenner
Objective: In order to find low abundant proteins secretome and tumor tissue proteome data have been explored in the last few years for the diagnosis of colorectal cancer (CRC). In this review we aim to summarize the results of studies evaluating markers derived from the secretome and tumor proteome for blood based detection of colorectal cancer. Methods: Observing the preferred reporting items for systematic reviews and meta-analysis (PRISMA) guidelines PubMed and Web of Science databases were searched systematically for relevant studies published up to 18 July 2017...
November 16, 2017: Cancers
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