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https://www.readbyqxmd.com/read/27933281/pet-imaging-of-urokinase-type-plasminogen-activator-receptor-upar-in-prostate-cancer-current-status-and-future-perspectives
#1
REVIEW
Dorthe Skovgaard, Morten Persson, Andreas Kjaer
Overexpression of urokinase-type plasminogen activator receptors (uPAR) represents an important biomarker for aggressiveness in most common malignant diseases, including prostate cancer (PC). Accordingly, uPAR expression either assessed directly in malignant PC tissue or assessed directly in plasma (intact/cleaved forms)-provides independent additional clinical information to that contributed by PSA, Gleason score, and other relevant pathological and clinical parameters. In this respect, non-invasive molecular imaging by positron emission tomography (PET) offers a very attractive technology platform, which can provide the required quantitative information on the uPAR expression profile, without the need for invasive procedures and the risk of missing the target due to tumor heterogeneity...
2016: Clinical and Translational Imaging: Reviews in Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/27933110/profiling-lung-adenocarcinoma-by-liquid-biopsy-can-one-size-fit-all
#2
Harry W Clifford, Amy P Cassidy, Courtney Vaughn, Evaline S Tsai, Bianka Seres, Nirmesh Patel, Hannah L O'Neill, Emil Hewage, John W Cassidy
BACKGROUND: Cancer is first and foremost a disease of the genome. Specific genetic signatures within a tumour are prognostic of disease outcome, reflect subclonal architecture and intratumour heterogeneity, inform treatment choices and predict the emergence of resistance to targeted therapies. Minimally invasive liquid biopsies can give temporal resolution to a tumour's genetic profile and allow the monitoring of treatment response through levels of circulating tumour DNA (ctDNA). However, the detection of ctDNA in repeated liquid biopsies is currently limited by economic and time constraints associated with targeted sequencing...
2016: Cancer Nanotechnology
https://www.readbyqxmd.com/read/27932290/the-diagnosis-of-idiopathic-pulmonary-fibrosis-current-and-future-approaches
#3
REVIEW
Fernando J Martinez, Alison Chisholm, Harold R Collard, Kevin R Flaherty, Jeffrey Myers, Ganesh Raghu, Simon L F Walsh, Eric S White, Luca Richeldi
With the recent development of two effective treatments for patients with idiopathic pulmonary fibrosis, an accurate diagnosis is crucial. The traditional approach to diagnosis emphasises the importance of thorough clinical and laboratory evaluations to exclude secondary causes of disease. High-resolution CT is a critical initial diagnostic test and acts as a tool to identify patients who should undergo surgical lung biopsy to secure a definitive histological diagnosis of usual interstitial pneumonia pattern...
December 5, 2016: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/27931678/diagnosing-tuberculosis-in-the-21st-century-dawn-of-a-genomics-revolution
#4
REVIEW
Christopher Jeanes, Justin O'Grady
Tuberculosis (TB) ranks alongside HIV as the leading cause of death worldwide, killing 1.5million people in 2014. Traditional laboratory techniques do not provide sufficiently rapid results to inform clinicians on appropriate treatment, especially in the face of increasingly prevalent drug-resistant TB. Rapid molecular methods such as PCR and LAMP are vital tools in the fight against TB, however, rapid advances in next generation sequencing (NGS) technology are allowing increasingly rapid and accurate sequencing of entire bacterial genomes at ever decreasing cost, providing unprecedented depth of information...
December 2016: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/27931282/rnai-mediated-downregulation-of-fkbp14-suppresses-the-growth-of-human-ovarian-cancer-cells
#5
Meng Lu, Yi Miao, Lan Qi, Mingzhu Bai, Jiarong Zhang, Youji Feng
FKBP14 belongs to the family of FK506-binding proteins (FKBPs). Altered expression of FKBPs has been reported in several malignancies. This study aimed to reveal the expression profile of FKBP14 in ovarian cancer and evaluate whether FKBP14 is a molecular target for cancer therapy. We found that the FKBP14 mRNA level was significantly higher in ovarian cancer tissues than in normal tissues. FKBP14 expression was then knocked down in two ovarian cancer cell lines, SKOV3 and HO8910 cells, by a lentiviral short hairpin RNA (shRNA) delivery system...
May 2016: Oncology Research
https://www.readbyqxmd.com/read/27930648/isothermal-diagnostic-assays-for-monitoring-single-nucleotide-polymorphisms-in-necator-americanus-associated-with-benzimidazole-drug-resistance
#6
Nour Rashwan, Catherine Bourguinat, Kathy Keller, Nipul Kithsiri Gunawardena, Nilanthi de Silva, Roger Prichard
BACKGROUND: Soil-transmitted helminths (STHs) are the most prevalent intestinal helminths of humans, and a major cause of morbidity in tropical and subtropical countries. The benzimidazole (BZ) drugs albendazole (ABZ) and mebendazole (MBZ) are used for treatment of human STH infections and this use is increasing dramatically with massive drug donations. Frequent and prolonged use of these drugs could lead to the emergence of anthelmintic resistance as has occurred in nematodes of livestock...
December 2016: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/27930545/application-of-stereotactic-biopsy-for-diagnosing-intracranial-lesions-in-patients-with-aids-in-china-report-of-7-cases
#7
Ji-Bo Zhang, Kai Fu, Rui Gong, Xue-Meng Liu, Li-Dao Chen, Yong-Xi Zhang, Gui-Fang Yang, Jie Zhang
RATIONALE: The aim of the study was to evaluate stereotactic biopsy for diagnosing intracranial lesions in patients with AIDS. PATIENT CONCERNS: Seven AIDS patients with an intracranial lesion who underwent stereotactic biopsy were included in this retrospective study (4 males and 3 females, 15 to 49 years old). The patients' disease history ranged from 1 month to 1 year. The samples were examined by hematoxylin-eosin (HE) staining and immunohistochemical examination...
December 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27930389/therapy-related-myeloid-neoplasms
#8
Arnold Ganser, Michael Heuser
PURPOSE OF REVIEW: Advances in the genetic characterization of patients with therapy-related myeloid neoplasms (t-MNs) have changed our understanding of the pathogenesis of these diseases. In addition, extensive sequencing studies have identified recurrent mutations with diagnostic and prognostic impact. Thus, the revised version of the WHO classification combines therapy-related myelodysplastic syndromes (t-MDS) and therapy-related acute myeloid leukemia (t-AML) in the one entity of t-MNs because of their similar pathogenesis, rapid progression from t-MDS to t-AML, and their equally poor prognosis...
December 7, 2016: Current Opinion in Hematology
https://www.readbyqxmd.com/read/27929079/from-function-to-phenotype-impaired-dna-binding-and-clustering-correlates-with-clinical-severity-in-males-with-missense-mutations-in-mecp2
#9
Taimoor I Sheikh, Juan Ausió, Hannah Faghfoury, Josh Silver, Jane B Lane, James H Eubanks, Patrick MacLeod, Alan K Percy, John B Vincent
Mutations in the MECP2 gene cause Rett syndrome (RTT). MeCP2 binds to chromocentric DNA through its methyl CpG-binding domain (MBD) to regulate gene expression. In heterozygous females the variable phenotypic severity is modulated by non-random X-inactivation, thus making genotype-phenotype comparisons unreliable. However, genotype-phenotype correlations in males with hemizygousMECP2 mutations can provide more accurate insights in to the true biological effect of specific mutations. Here, we compared chromatin organization and binding dynamics for twelve MeCP2 missense mutations (including two novel and the five most common MBD missense RTT mutations) and identifiedacorrelation with phenotype in hemizygous males...
December 8, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27928943/the-physiological-pathophysiological-significance-of-vitamin-d-in-cancer-cardiovascular-disorders-and-beyond
#10
Manaf AlMatar, Husam AlMandeal, Essam A Makky, Begüm Kayar, Emel Yarar, Işıl Var, Fatih Köksal
Vitamin D, a molecular precursor of the potent steroid hormone calcitriol, has a crucial functions and roles in physiology and pathophysiology. Tellingly, Calcitriol has been shown to regulate various cellular signalling networks and cascades that have crucial role in cancer biology and diagnostics. Mounting lines of evidences from previous clinical and preclinical investigations indicate that the deficiency of vitamin D may contribute to the carcinogenesis risk. Concomitantly, recent reports suggested that significant reduction in the cancer occurrence and progression is more likely to appear after vitamin D supplementation...
December 7, 2016: Current Drug Metabolism
https://www.readbyqxmd.com/read/27928841/fusarium-species-causing-eumycetoma-report-of-two-cases-and-comprehensive-review-of-the-literature
#11
Abdullah M S Al-Hatmi, Alexandro Bonifaz, Andrés Tirado-Sánchez, Jacques F Meis, G Sybren de Hoog, Sarah A Ahmed
Recently, mycetoma was added to the World Health Organization's list of neglected tropical disease priorities. Fusarium as a genus has been reported to cause eumycetoma, but little is known about the species involved in this infection and their identification. In this study, molecular tools were applied to identify Fusarium agents from human eumycetoma cases. The partial translation elongation factor 1-alpha (TEF-1α) gene was used as diagnostic parameter. Two additional cases of eumycetoma, due to F. keratoplasticum and F...
December 7, 2016: Mycoses
https://www.readbyqxmd.com/read/27928742/implementation-of-infrared-and-raman-modalities-for-glycosaminoglycan-characterization-in-complex-systems
#12
Hossam Taha Mohamed, Valérie Untereiner, Ganesh D Sockalingum, Stéphane Brézillon
Glycosaminoglycans (GAGs) are natural, linear and negatively charged heteropolysaccharides which are incident in every mammalian tissue. They consist of repeating disaccharide units, which are composed of either sulfated or non-sulfated monosaccharides. Depending on tissue types, GAGs exhibit structural heterogeneity such as the position and degree of sulfation or within their disaccharide units composition being heparin, heparan sulfate, chondroitine sulfate, dermatan sulfate, keratan sulfate, and hyaluronic acid...
December 7, 2016: Glycoconjugate Journal
https://www.readbyqxmd.com/read/27928469/mechanisms-underlying-18-f-fluorodeoxyglucose-accumulation-in-colorectal-cancer
#13
REVIEW
Kenji Kawada, Masayoshi Iwamoto, Yoshiharu Sakai
Positron emission tomography (PET) with (18)F-fluorodeoxyglucose (FDG) is a diagnostic tool to evaluate metabolic activity by measuring accumulation of FDG, an analogue of glucose, and has been widely used for detecting small tumors, monitoring treatment response and predicting patients' prognosis in a variety of cancers. However, the molecular mechanism of FDG accumulation into tumors remains to be investigated. It is well-known that most cancers are metabolically active with elevated glucose metabolism, a phenomenon known as the Warburg effect...
November 28, 2016: World Journal of Radiology
https://www.readbyqxmd.com/read/27928132/improved-fret-biosensor-for-the-measurement-of-bcr-abl-activity-in-chronic-myeloid-leukemia-cells
#14
Mika Horiguchi, Mari Fujioka, Takeshi Kondo, Yoichiro Fujioka, Xinxin Li, Kosui Horiuchi, Aya O Satoh, Prabha Nepal, Shinya Nishide, Asuka Nanbo, Takanori Teshima, Yusuke Ohba
Although the co-development of companion diagnostics with molecular targeted drugs is desirable, truly efficient diagnostics are limited to diseases in which chromosomal translocations or overt mutations are clearly correlated with drug efficacy. Moreover, even for such diseases, few methods are available to predict whether drug administration is effective for each individual patient whose disease is expected to respond to the drug(s). We have previously developed a biosensor based on the principle of Förster resonance energy transfer (FRET) to measure the activity of the tyrosine kinase BCR-ABL and its response to drug treatment in patient-derived chronic myeloid leukemia cells...
December 8, 2016: Cell Structure and Function
https://www.readbyqxmd.com/read/27928095/cholangiocarcinoma-current-knowledge-and-new-developments
#15
REVIEW
Boris Blechacz
Cholangiocarcinoma (CCA) is the second most common primary malignancy. Although it is more common in Asia, its incidence in Europe and North America has significantly increased in recent decades. The prognosis of CCA is dismal. Surgery is the only potentially curative treatment, but the majority of patients present with advanced stage disease, and recurrence after resection is common. Over the last two decades, our understanding of the molecular biology of this malignancy has increased tremendously, diagnostic techniques have evolved, and novel therapeutic approaches have been established...
December 8, 2016: Gut and Liver
https://www.readbyqxmd.com/read/27927871/severity-of-respiratory-syncytial-virus-lower-respiratory-tract-infection-with-viral-coinfection-in-hiv-uninfected-children
#16
Natalie I Mazur, Louis Bont, Adam L Cohen, Cheryl Cohen, Anne von Gottberg, Michelle J Groome, Orienka Hellferscee, Kerstin Klipstein-Grobusch, Omphile Tschegofatso Mekgoe, Fathima Naby, Jocelyn Moyes, Stefano Tempia, Florette K Treurnicht, Marietje Venter, Sibongile Walaza, Nicole Wolter, Shabir A Madhi
BACKGROUND: Molecular diagnostics enable sensitive detection of respiratory viruses but their clinical significance remains unclear in pediatric lower respiratory tract infections (LRTI). We aimed to determine whether viral coinfections increased life-threatening disease in a large cohort. METHODS: Molecular testing was performed for respiratory viruses in nasopharyngeal aspirates collected from children aged <5 years within 24 hours of hospital admission during sentinel surveillance for Severe Acute Respiratory Illness (SARI) hospitalisation conducted in South Africa during February 2009-December 2013...
December 7, 2016: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/27927793/tumour-biomarkers-homeostasis-as-a-novel-prognostic-indicator
#17
REVIEW
Michela Falco, Giuseppe Palma, Domenica Rea, Davide De Biase, Stefania Scala, Massimiliano D'Aiuto, Gaetano Facchini, Sisto Perdonà, Antonio Barbieri, Claudio Arra
The term 'personalized medicine' refers to a medical procedure that consists in the grouping of patients based on their predicted individual response to therapy or risk of disease. In oncologic patients, a 'tailored' therapeutic approach may potentially improve their survival and well-being by not only reducing the tumour, but also enhancing therapeutic response and minimizing the adverse effects. Diagnostic tests are often used to select appropriate and optimal therapies that rely both on patient genome and other molecular/cellular analysis...
December 2016: Open Biology
https://www.readbyqxmd.com/read/27926529/altered-microrna-profiles-in-plasma-exosomes-from-mesial-temporal-lobe-epilepsy-with-hippocampal-sclerosis
#18
Shaofeng Yan, Hua Zhang, Wenyan Xie, Fangang Meng, Kai Zhang, Yin Jiang, Xin Zhang, Jianguo Zhang
Mesial temporal lobe epilepsy with hippocampal sclerosis (mTLE-HS) is the most common type of focal epilepsy. The present study aimed to explore the expression and functions of exosomal microRNAs in mTLE-HS. A total of 50 microRNAs were found to be differentially expressed in mTLE-HS compared with healthy controls. Among them, 2 were increased and 48 were decreased. The 6 significant differentially expressed candidate microRNAs (miR-3613-5p, miR-4668-5p, miR-8071, miR-197-5p, miR-4322, and miR-6781-5p ) in exosome were validated...
December 1, 2016: Oncotarget
https://www.readbyqxmd.com/read/27926526/use-of-capture-based-next-generation-sequencing-to-detect-alk-fusion-in-plasma-cell-free-dna-of-patients-with-non-small-cell-lung-cancer
#19
Shaohua Cui, Wei Zhang, Liwen Xiong, Feng Pan, Yanjie Niu, Tianqing Chu, Huimin Wang, Yizhuo Zhao, Liyan Jiang
Capture-based next-generation sequencing (NGS) is a potentially useful diagnostic method to measure tumor tissue DNA in blood as it can identify concordant mutations between cell-free DNA (cfDNA) and primary tumor DNA in lung cancer patients. In this study, the sensitivity, specificity and accuracy of capture-based NGS for detecting ALK fusion in plasma cfDNA was assessed. 24 patients with tissue ALK-positivity and 15 who did not harbor ALK fusion were enrolled. 13 ALK-positive samples were identified by capture-based NGS among the 24 samples with tissue ALK-positivity...
December 1, 2016: Oncotarget
https://www.readbyqxmd.com/read/27926360/pathology-of-pancreatic-cancer-precursor-lesions
#20
REVIEW
Michaël Noë, Lodewijk A A Brosens
To better understand pancreatic ductal adenocarcinoma (PDAC) and improve its prognosis, it is essential to understand its origins. This article describes the pathology of the 3 well-established pancreatic cancer precursor lesions: pancreatic intraepithelial neoplasia, intraductal papillary mucinous neoplasm, and mucinous cystic neoplasm. Each of these precursor lesions has unique clinical findings, gross and microscopic features, and molecular aberrations. This article focuses on histopathologic diagnostic criteria and reporting guidelines...
December 2016: Surgical Pathology Clinics
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