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Molecular genetic personality

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https://www.readbyqxmd.com/read/28068413/social-and-genetic-networks-of-hiv-1-transmission-in-new-york-city
#1
Joel O Wertheim, Sergei L Kosakovsky Pond, Lisa A Forgione, Sanjay R Mehta, Ben Murrell, Sharmila Shah, Davey M Smith, Konrad Scheffler, Lucia V Torian
BACKGROUND: Sexually transmitted infections spread across contact networks. Partner elicitation and notification are commonly used public health tools to identify, notify, and offer testing to persons linked in these contact networks. For HIV-1, a rapidly evolving pathogen with low per-contact transmission rates, viral genetic sequences are an additional source of data that can be used to infer or refine transmission networks. METHODS AND FINDINGS: The New York City Department of Health and Mental Hygiene interviews individuals newly diagnosed with HIV and elicits names of sexual and injection drug using partners...
January 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28064089/frontiers-of-high-throughput-metabolomics
#2
REVIEW
Mattia Zampieri, Karthik Sekar, Nicola Zamboni, Uwe Sauer
Large scale metabolomics studies are increasingly used to investigate genetically different individuals and time-dependent responses to environmental stimuli. New mass spectrometric approaches with at least an order of magnitude more rapid analysis of small molecules within the cell's metabolome are now paving the way towards true high-throughput metabolomics, opening new opportunities in systems biology, functional genomics, drug discovery, and personalized medicine. Here we discuss the impact and advantages of the progress made in profiling large cohorts and dynamic systems with high temporal resolution and automated sampling...
January 5, 2017: Current Opinion in Chemical Biology
https://www.readbyqxmd.com/read/28059608/near-future-of-tumor-immunology-anticipating-resistance-mechanisms-to-immunotherapies-a-big-challenge-for-clinical-trials
#3
João Paulo Portela Catani, Sandy Adjemian, Rachel P Riechelmann, Bryan E Strauss
The success of immunotherapies brings hope for the future of cancer treatment. Even so, we are faced with a new challenge, that of understanding which patients will respond initially and, possibly, develop resistance. The examination of the immune profile, especially approaches related to the immunoscore, may foretell which tumors will have a positive initial response. Ideally, the mutation load would also be analysed, helping to reveal tumor associated antigens that are predictive of an effective cytolytic attack...
January 6, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28053071/mouse-models-for-drug-discovery-can-new-tools-and-technology-improve-translational-power
#4
Aamir Zuberi, Cathleen Lutz
The use of mouse models in biomedical research and preclinical drug evaluation is on the rise. The advent of new molecular genome-altering technologies such as CRISPR/Cas9 allows for genetic mutations to be introduced into the germ line of a mouse faster and less expensively than previous methods. In addition, the rapid progress in the development and use of somatic transgenesis using viral vectors, as well as manipulations of gene expression with siRNAs and antisense oligonucleotides, allow for even greater exploration into genomics and systems biology...
December 2016: ILAR Journal
https://www.readbyqxmd.com/read/28048759/tu-a-207b-00-imaging-genomics-associations-and-biological-correlates-of-radiomics
#5
Yitan Zhu
With the growth of quantitative imaging and quantitative image analysis, image-based biomarkers (i.e. image-based phenotypes) are becoming potential descriptors in personalized medicine as well as in cancer discovery research. Genomic study measures molecular cancer status and provides abundant information about cancer development mechanism. There is a need to understand the relationship between the image-based cancer phenotypes (from radiomics) and the underlying molecular and genomic system. Imaging scientists and genomic scientists need to be able to speak the same language in this common era of Big Data...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047278/tu-a-207b-01-imaging-genomics-associations-and-biological-correlates-of-radiomics
#6
Y Zhu
With the growth of quantitative imaging and quantitative image analysis, image-based biomarkers (i.e. image-based phenotypes) are becoming potential descriptors in personalized medicine as well as in cancer discovery research. Genomic study measures molecular cancer status and provides abundant information about cancer development mechanism. There is a need to understand the relationship between the image-based cancer phenotypes (from radiomics) and the underlying molecular and genomic system. Imaging scientists and genomic scientists need to be able to speak the same language in this common era of Big Data...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28027559/the-contribution-of-hereditary-thrombophilia-to-increasing-the-frequency-of-thrombosis-in-patients-with-ph-negative-myeloproliferative-neoplasms-including-the-victims-from-the-chornobyl-accident
#7
O Y Mishcheniuk, V M Shkarupa, O M Kostukevich, L V Neumerzhitcka, S M Kravchenko, S V Klymenko
OBJECTIVE: The definition of a contribution of the carriage of the G1691A allele of thecoagulation factor V gene and the G20210A allele of the coagulation factor II gene in the development of thrombosis in Ph negative myeloprolifer ative neoplasms (MPN) patients, who were irradiated in the dose range 0,001 0,99 Gy and who were not. MATERIALS AND METHODS: The clinical and molecular genetic characteristics of patients with radiation associated and spontaneous polycythemia vera (PV), essential trombotsytemiya (ET) and primary myelofibrosis (PMF) were ana lyzed...
December 2016: Problemy Radiat︠s︡iĭnoï Medyt︠s︡yny Ta Radiobiolohiï
https://www.readbyqxmd.com/read/28010898/the-etiopathogenesis-of-diffuse-low-grade-gliomas
#8
REVIEW
Amélie Darlix, Catherine Gozé, Valérie Rigau, Luc Bauchet, Luc Taillandier, Hugues Duffau
The origins of diffuse low-grade gliomas (DLGG) are unknown. Beyond some limited data on their temporal and cellular origins, the mechanisms and risk factors involved are poorly known. First, based on strong relationships between DLGG development and the eloquence of brain regions frequently invaded by these tumors, we propose a "functional theory" to explain the origin of DLGG. Second, the biological pathways involved in DLGG genesis may differ according to tumor location (anatomo-molecular correlations). The cellular and molecular mechanisms of such "molecular theory" will be reviewed...
January 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28009951/matrix-metalloproteinases-mmps-their-genetic-variants-and-mirna-in-mitral-valve-diseases-potential-biomarker-tools-and-targets-for-personalized-treatments
#9
Carmela Rita Balistreri, Alberto Allegra, Florina Crapanzano, Calogera Pisano, Giovanni Ruvolo
Mitral valve diseases (MVD)s, comprising congenital and acquired forms, are characterized by a diverse etiology, pathophysiology, prevalence, and incidence. In industrialized countries, the acquired forms represent 2.5% of all cardiovascular diseases, with a marked augmentation after the age of 65 years. In addition, all forms of MVDs (i.e., degenerative forms) have a difficult clinical management. The major challenge is 'the early diagnosis', and echocardiographic analysis has been shown inappropriate for diagnosing MVD in moderate forms...
July 2016: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28008451/values-of-molecular-markers-in-the-differential-diagnosis-of-thyroid-abnormalities
#10
REVIEW
T M P B Tennakoon, M Rushdhi, A D C U Ranasinghe, R S Dassanayake
INTRODUCTION: Thyroid cancer (TC), follicular adenoma (FA) and Hashimoto's thyroiditis (HT) are three of the most frequently reported abnormalities that affect the thyroid gland. A frequent co-occurrence along with similar histopathological features is observed between TC and FA as well as between TC and HT. The conventional diagnostic methods such as histochemical analysis present complications in differential diagnosis when these abnormalities occur simultaneously. Hence, the authors recognize novel methods based on screening genetic defects of thyroid abnormalities as viable diagnostic and prognostic methods that could complement the conventional methods...
December 22, 2016: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28003353/staphylococcus-aureus-in-the-icu-are-these-golden-grapes-ripe-for-a-new-approach
#11
EDITORIAL
Georgia R Sampedro, Juliane Bubeck Wardenburg
Staphylococcus aureus is leading cause of infection in the setting of critical illness and injury. This pathogen causes life-threatening infection in otherwise healthy individuals, and also complicates the clinical course of patients requiring intensive care as a result of their primary medical or surgical disease processes. S. aureus infection in the intensive care unit (ICU) most commonly manifests as sepsis, ventilator-associated pneumonia, and infection of surgical sites and indwelling medical devices. With the epidemic spread of methicillin-resistant S...
December 21, 2016: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/27999270/clinical-application-of-targeted-next-generation-sequencing-for-colorectal-cancers
#12
REVIEW
Quitterie Fontanges, Ricardo De Mendonca, Isabelle Salmon, Marie Le Mercier, Nicky D'Haene
Promising targeted therapy and personalized medicine are making molecular profiling of tumours a priority. For colorectal cancer (CRC) patients, international guidelines made RAS (KRAS and NRAS) status a prerequisite for the use of anti-epidermal growth factor receptor agents (anti-EGFR). Daily, new data emerge on the theranostic and prognostic role of molecular biomarkers, which is a strong incentive for a validated, sensitive and broadly available molecular screening test in order to implement and improve multi-modal therapy strategy and clinical trials...
December 16, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27996194/photoactivatable-substrates-a-material-based-approach-for-dissecting-cell-migration
#13
REVIEW
Jun Nakanishi
Photoactivatable substrates, which show changes in surface cell adhesiveness in response to photoirradiation, are promising platforms for cell manipulation with high spatiotemporal resolution. In addition to having applications in cell and tissue engineering, these materials are unique tools for basic biological sciences research, and they complement conventional genetic engineering technologies. One of the most useful applications is in the study of cell migration, which occurs in various physiological and pathological processes...
December 20, 2016: Chemical Record: An Official Publication of the Chemical Society of Japan ... [et Al.]
https://www.readbyqxmd.com/read/27995550/somatic-mutations-in-prostate-cancer-closer-to-personalized-medicine
#14
REVIEW
M J Alvarez-Cubero, L J Martinez-Gonzalez, I Robles-Fernandez, J Martinez-Herrera, G Garcia-Rodriguez, M Pascual-Geler, J M Cozar, J A Lorente
The molecular cause of prostate cancer (PCa) is still unclear; however, its progression involves androgen, PI3K/Akt, and PTEN signaling, as cycle and apoptotic pathways. Alterations in oncogenes and tumor suppressor genes as PIK3CA, BRAF, KRAS and TP53 are not very common. Recently, somatic mutations have been discovered in relation to cancer progression mainly in genes such as PIK3CA; however, little data has been described in PCa. Nowadays genetic tools allow us to investigate multiple details about the biological heterogeneity of PCa, to better understand the mechanisms of disease progression and treatment resistance...
December 19, 2016: Molecular Diagnosis & Therapy
https://www.readbyqxmd.com/read/27987169/using-tropgenedb-a-database-containing-data-on-molecular-markers-qtls-maps-genotypes-and-phenotypes-for-tropical-crops
#15
Manuel Ruiz, Guilhem Sempéré, Chantal Hamelin
TropGeneDB ( http://tropgenedb.cirad.fr ) is a web database that manages genomic, genetic, and phenotypic information on tropical crops. It is organized on a crop basis with currently nine public modules: banana, cocoa, coconut, coffee, cotton, oil palm, rice, rubber tree, and sugarcane. TropGeneDB contains data on molecular markers, quantitative trait loci (QTLs), genetic and physical maps, genotyping and phenotyping studies, and information on genetic resources (geographic origin, parentage, collection). Crop-specific web interfaces have been designed to allow quick consultations as well as personalized complex queries...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27965933/colorectal-choriocarcinoma-in-a-patient-with-probable-lynch-syndrome
#16
Viktor H Koelzer, Karl Steuer, Ulrike Camenisch Gross, Dieter Zimmermann, Aino Paasinen-Sohns, Kirsten D Mertz, Gieri Cathomas
BACKGROUND: Personalized therapy of colorectal cancer is influenced by morphological, molecular, and host-related factors. Here, we report the comprehensive clinicopathological and molecular analysis of an extra-gestational colorectal choriocarcinoma in a patient with probable Lynch syndrome. CASE PRESENTATION: A 61-year-old female with history of gastric cancer at age 36 presented with a transmurally invasive tumor of the right hemicolon and liver metastasis. A right hemicolectomy was performed...
2016: Frontiers in Oncology
https://www.readbyqxmd.com/read/27965598/defining-precision-medicine-approaches-to-autism-spectrum-disorders-concepts-and-challenges
#17
Eva Loth, Declan G Murphy, Will Spooren
The tremendous clinical and etiological variability between individuals with autism spectrum disorder (ASD) has made precision medicine the most promising treatment approach. It aims to combine new pathophysiologically based treatments with objective tests (stratification biomarkers) to predict which treatment may be beneficial for a particular person. Here we discuss significant advances and current challenges for this approach: rare monogenic forms of ASD have provided a major breakthrough for the identification of treatment targets by providing a means to trace causal links from a gene to specific molecular alterations and biological pathways...
2016: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/27965317/cell-specific-computational-modeling-of-the-pim-pathway-in-acute-myeloid-leukemia
#18
Dana Silverbush, Shaun Grosskurth, Dennis Wang, Francoise Powell, Berthold Gottgens, Jonathan Dry, Jasmin Fisher
Personalized therapy is a major goal of modern oncology, as patient responses vary greatly even within a histologically defined cancer subtype. This is especially true in acute myeloid leukemia (AML), which exhibits striking heterogeneity in molecular segmentation. When calibrated to cell-specific data, executable network models can reveal subtle differences in signaling that help explain differences in drug response. Furthermore, they can suggest drug combinations to increase efficacy and combat acquired resistance...
December 13, 2016: Cancer Research
https://www.readbyqxmd.com/read/27927793/tumour-biomarkers-homeostasis-as-a-novel-prognostic-indicator
#19
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/27922606/otto-a-new-strategy-to-extract-mental-disease-relevant-combinations-of-gwas-hits-from-individuals
#20
H Ehrenreich, M Mitjans, S Van der Auwera, T P Centeno, M Begemann, H J Grabe, S Bonn, K-A Nave
Despite high heritability of schizophrenia, genome-wide association studies (GWAS) have not yet revealed distinct combinations of single-nucleotide polymorphisms (SNPs), relevant for mental disease-related, quantifiable behavioral phenotypes. Here we propose an individual-based model to use genome-wide significant markers for extracting first genetic signatures of such behavioral continua. 'OTTO' (old Germanic=heritage) marks an individual characterized by a prominent phenotype and a particular load of phenotype-associated risk SNPs derived from GWAS that likely contributed to the development of his personal mental illness...
December 6, 2016: Molecular Psychiatry
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