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Expert Review of Molecular Diagnostics

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https://www.readbyqxmd.com/read/28415895/the-value-of-liquid-biopsy-in-diagnosis-and-monitoring-of-diffuse-large-b-cell-lymphoma-recent-developments-and-future-potential
#1
Vincent Camus, Fabrice Jardin, Herve Tilly
Diffuse large B-cell lymphomas (DLBCL) represent a heterogeneous subset of non-Hodgkin lymphomas (NHL) that demonstrate many molecular alterations and somatic mutations, all of which are targets for the recent development of biomarkers that use various molecular biological techniques. These non-invasive emerging biomarkers will be used in the next few years to better monitor the response to immunochemotherapeutic treatments with the aim of completely eradicating the disease in order to cure it. Areas covered: In this review, the authors conducted a literature search to identify and summarize the major advances in liquid biopsy techniques for DLBCL that are useful for diagnosis and monitoring minimal residual disease (MRD)...
April 27, 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/28443360/overview-of-procalcitonin-assays-and-procalcitonin-guided-protocols-for-the-management-of-patients-with-infections-and-sepsis
#2
Philipp Schuetz, Celine Bretscher, Luca Bernasconi, Beat Mueller
Procalcitonin is a surrogate infection blood marker whose levels help estimate the likelihood of bacterial infections and correlate with their resolution. Recent trials have revealed the benefits of inclusion of procalcitonin in antibiotic stewardship protocols for initiation and discontinuation of antimicrobial therapy. Areas covered: Procalcitonin-guided antibiotic stewardship protocols have shown appreciable reductions in antibiotic use and duration of therapy in respiratory infections, sepsis, and other infections, with positive effects on clinical outcomes...
April 26, 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/28425774/profile-of-the-triplex-assay-for-detection-of-chlamydia-gonorrhea-and-trichomonas-using-the-bd-max%C3%A2-system
#3
Barbara Van Der Pol
Chlamydia, gonorrhea and trichomonas are the most common curable STI. Improved access to testing could reduce infection rates and prevent sequelae. Nucleic acid amplification tests are the recommend class of diagnostic assay for these infections which are often asymptomatic. Areas Covered: A description of the BD MAX™ System (MAX) and the BD MAX CT/GC/TV assay is provided along with data from a large US clinical trial. The capacity of the system for other tests and for lab developed assays is also described...
April 20, 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/28423960/the-role-of-molecular-diagnostic-testing-in-the-management-of-thyroid-nodules
#4
Maureen D Moore, Suraj Panjwani, Katherine D Gray, Brendan M Finnerty, Rasa Zarnegar, Thomas J Fahey
Fine needle aspiration (FNA) with cytologic examination remains the standard of care for investigation of thyroid nodules. However, as many as 30% of FNA samples are cytologically indeterminate for malignancy, which confounds clinical management. To reduce the burden of repeat diagnostic testing and unnecessary surgery, there has been extensive investigation into molecular markers that can be detected on FNA specimens to more accurately stratify a patient's risk of malignancy. Areas Covered: In this review, the authors discuss recent evidence and progress in molecular markers used in the diagnosis of thyroid cancer highlighting somatic gene alterations, molecular technologies and microRNA analysis...
April 19, 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/28395562/pcr-tests-for-uterine-cervical-secretion-are-promising-noninvasive-methods-for-predicting-congenital-cytomegalovirus-infection
#5
Kenji Tanimura, Yasuhiko Ebina, Hideto Yamada
No abstract text is available yet for this article.
April 13, 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/28402162/barriers-preventing-the-adoption-of-comprehensive-cancer-genomic-profiling-in-the-clinic
#6
Cara M Statz, Sara E Patterson, Susan M Mockus
Comprehensive cancer genomic profiling provides the opportunity to expose the various molecular aberrations potentially driving tumor progression. Consequently, the identity of these genetic drivers can be utilized to match a patient to the most appropriate targeted therapy, thereby increasing the probability of improved clinical outcome. Despite its capability of informing patient care, the adoption of comprehensive cancer genomic profiling in the clinic has not been widespread. The barriers surrounding its universal acceptance are attributed to both physician and patient perspectives...
April 12, 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/28343420/portable-devices-and-mobile-instruments-for-infectious-diseases-point-of-care-testing
#7
Luc Bissonnette, Michel G Bergeron
Rapidity, simplicity, and portability are highly desirable characteristics of tests and devices designed for performing diagnostics at the point of care (POC), either near patients managed in healthcare facilities or to offer bioanalytical alternatives in external settings. By reducing the turnaround time of the diagnostic cycle, POC diagnostics can reduce the dissemination, morbidity, and mortality of infectious diseases and provide tools to control the global threat of antimicrobial resistance. Areas covered: A literature search of PubMed and Google Scholar, and extensive mining of specialized publications, Internet resources, and manufacturers' websites have been used to organize and write this overview of the challenges and requirements associated with the development of portable sample-to-answer diagnostics, and showcase relevant examples of handheld devices, portable instruments, and less mobile systems which may or could be operated at POC...
April 11, 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/28337931/utilizing-nutritional-genomics-to-tailor-diets-for-the-prevention-of-cardiovascular-disease-a-guide-for-upcoming-studies-and-implementations
#8
Dolores Corella, Oscar Coltell, George Mattingley, José V Sorlí, Jose M Ordovas
Personalized diets based on an individual's genome to optimize the success of dietary intervention and reduce genetic cardiovascular disease (CVD) risk, is one of the challenges most frequently discussed in the scientific community. Areas covered: The authors gathered literature-based evidence on nutritional genomics and CVD phenotypes, our own results and research experience to provide a critical overview of the current situation of using nutritional genomics to tailor diets for CVD prevention and to propose guidelines for future studies and implementations...
April 3, 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/28335657/molecular-characteristics-of-uterine-sarcomas
#9
Ben Davidson, Francesca Micci
Uterine sarcomas are rare cancers, of which the most common entities are leiomyosarcoma and endometrial stromal sarcoma. These two tumors may have overlapping clinical presentation, morphology and immunohistochemical profile, but are increasingly recognized to be two molecularly distinct entities. Endometrial stromal sarcomas are further currently divided into a low-grade and high-grade group based on molecular characteristics. Area covered: This review discusses recent data which shed light on the molecular profile of these two cancers and may aid in understanding their evolution and progression, in the aim of improving their diagnosis and management...
April 3, 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/28325089/the-need-to-develop-a-patient-centered-precision-medicine-model-for-adults-with-chronic-disability
#10
Susan M Wolf, Bharat Thyagarajan, Brent L Fogel
No abstract text is available yet for this article.
April 3, 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/28306358/the-genetics-of-gastroesophageal-adenocarcinoma-and-the-use-of-circulating-cell-free-dna-for-disease-detection-and-monitoring
#11
Mark R Openshaw, Catherine J Richards, David S Guttery, Jacqueline A Shaw, Anne L Thomas
Gastroesophageal adenocarcinoma (GOA) is a frequently occurring cancer worldwide with a poor clinical outcome. Adenocarcinomas of the esophagus and gastroesophageal junction have shown a recent increase in frequency, therefore there is need to increase our understanding of GOA in order to improve our ability to detect, monitor and treat the disease. Areas covered: The authors discuss the current classification of GOA in the context of recent changes in incidence. The authors also discuss developments in the understanding of disease biology and recent discoveries from whole genome and whole exome sequencing, and studies in immunotherapy...
March 30, 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/28317395/clinical-metabolomics-a-pivotal-tool-for-companion-diagnostic-development-and-precision-medicine
#12
Vladimir Tolstikov, Viatcheslav R Akmaev, Rangaprasad Sarangarajan, Niven R Narain, Michael A Kiebish
No abstract text is available yet for this article.
March 29, 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/28317407/using-molecular-diagnostic-testing-to-personalize-the-treatment-of-patients-with-gastrointestinal-stromal-tumors
#13
Amber E Bannon, Lillian R Klug, Christopher L Corless, Michael C Heinrich
The diagnosis and treatment of gastrointestinal stromal tumor (GIST) has emerged as a paradigm for modern cancer treatment ('precision medicine'), as it highlights the importance of matching molecular defects with specific therapies. Over the past two decades, the molecular classification and diagnostic work up of GIST has been radically transformed, accompanied by the development of molecular therapies for specific subgroups of GIST. This review summarizes the developments in the field of molecular diagnosis of GIST, particularly as they relate to optimizing medical therapy...
March 27, 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/28271738/profile-of-instrumentation-laboratory-s-hemosil%C3%A2-acustar-hit-ab-pf4-h-assay-for-diagnosis-of-heparin-induced-thrombocytopenia
#14
Michael Nagler, Adam Cuker
Immunoassays play an essential role in the diagnosis of heparin-induced thrombocytopenia (HIT). The objective of this article is to review HemosIL® AcuStar HIT-Ab(PF4-H) (Instrumentation Laboratory, Bedford, MA, USA), a new chemiluminescent immunoassay for HIT. Areas covered: The authors searched the published literature for evaluation studies of HemosIL® AcuStar HIT-Ab(PF4-H) and sought information from the manufacturer. In this paper, the authors discuss the analytical principle and technical aspects of the assay; describe its diagnostic performance in validation studies; report on its reproducibility, cost-effectiveness, and regulatory status; and discuss the implications of the assay on clinical practice and means of integrating it in diagnostic pathways...
March 16, 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/28266230/the-introduction-of-syphilis-point-of-care-tests-in-resource-limited-settings
#15
Michael Marks, David Cw Mabey
Syphilis remains an important and preventable cause of stillbirth and neonatal mortality. About 1 million women with active syphilis become pregnant each year. Without treatment, 25% of them will deliver a stillborn baby and 33% a low birth weight baby with an increased chance of dying in the first month of life. Adverse pregnancy outcomes due to syphilis can be prevented by screening pregnant women, and treating those who test positive with a single dose of penicillin before 28 weeks' gestation. Areas covered: This manuscript covers the impact of syphilis on pregnancy outcome, the diagnosis of syphilis, with a special focus on point of care (POC) tests, and challenges to the introduction of POC tests, and their potential impact on the control and prevention of syphilis in resource limited settings...
March 14, 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/28277880/genomic-tests-to-guide-prostate-cancer-management-following-diagnosis
#16
Michele Colicchia, Alessandro Morlacco, John C Cheville, R Jeffrey Karnes
Prostate cancer (PCa) is a common cancer in men, but variable clinical behaviors make its management challenging. Risk stratification is a key issue in disease management. Patient-tailored strategies are strongly advocated to reduce unnecessary treatment while maximizing the oncological outcomes of patient who need active treatment in the primary, adjuvant or salvage setting. Recently, tissue-based biomarkers or genomic tests have become available to improve the clinical decision-making. Areas covered: In this review, the authors present recent evidence about these tissue-based biomarkers, discussing the application of each of them in the clinical setting, focusing on the tests aimed to provide a better risk stratification and to guide decision-making after the diagnosis of PCa (i...
March 13, 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/28277145/impact-of-next-generation-sequencing-on-diagnosis-and-management-of-neurometabolic-disorders-current-advances-and-future-perspectives
#17
Maja Tarailo-Graovac, Wyeth W Wasserman, Clara D M Van Karnebeek
No abstract text is available yet for this article.
February 20, 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/28277144/molecular-tests-potentially-improving-hpv-screening-and-genotyping-for-cervical-cancer-prevention
#18
Ana Gradíssimo, Robert D Burk
Human papillomavirus (HPV)-related cancers can be averted by type-specific vaccination (primary prevention) and/or through detection and ablation of precancerous cervical lesions (secondary prevention). This review presents current challenges to cervical cancer screening programs, focusing on recent molecular advances in HPV testing and potential improvements on risk stratification. Areas covered: High-risk (HR)-HPV DNA detection has been progressively incorporated into cervix cancer prevention programs based on its increased sensitivity...
February 20, 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/28135893/recent-advances-in-biochemical-and-molecular-diagnostics-for-the-rapid-detection-of-antibiotic-resistant-enterobacteriaceae-a-focus-on-%C3%A3-lactam-resistance
#19
Jean-Winoc Decousser, Laurent Poirel, Patrice Nordmann
The rapid detection of resistance is a challenge for clinical microbiologists who wish to prevent deleterious individual and collective consequences such as (i) delaying efficient antibiotic therapy, which worsens the survival rate of the most severely ill patients, or (ii) delaying the isolation of the carriers of multidrug-resistant bacteria and promoting outbreaks; this last consequence is of special concern, and there are an increasing number of approaches and market-based solutions in response. Areas covered: From simple, cheap biochemical tests to whole-genome sequencing, clinical microbiologists must select the most adequate phenotypic and genotypic tools to promptly detect and confirm β-lactam resistance from cultivated bacteria or from clinical specimens...
February 20, 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/28399664/ethical-considerations-surrounding-germline-next-generation-sequencing-of-children-with-cancer
#20
Liza-Marie Johnson, Kayla V Hamilton, Jessica M Valdez, Esther Knapp, Justin N Baker, Kim E Nichols
The advent of next-generation sequencing (NGS) has introduced an exciting new era in biomedical research. NGS forms the foundation of current genetic testing approaches, including targeted gene panel testing, as well as more comprehensive whole-exome and whole-genome sequencing. Together, these approaches promise to provide critical insights into the understanding of health and disease. However, with NGS testing come many ethical questions and concerns, particularly when testing involves children. These concerns are especially relevant for children with cancer, where the testing of tumor and germline tissues is increasingly being incorporated into clinical care...
May 2017: Expert Review of Molecular Diagnostics
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