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https://www.readbyqxmd.com/read/28341748/drug-induced-liver-injury-recent-advances-in-diagnosis-and-risk-assessment
#1
REVIEW
Gerd A Kullak-Ublick, Raul J Andrade, Michael Merz, Peter End, Andreas Benesic, Alexander L Gerbes, Guruprasad P Aithal
Idiosyncratic drug-induced liver injury (IDILI) is a rare but potentially severe adverse drug reaction that should be considered in patients who develop laboratory criteria for liver injury secondary to the administration of a potentially hepatotoxic drug. Although currently used liver parameters are sensitive in detecting DILI, they are neither specific nor able to predict the patient's subsequent clinical course. Genetic risk assessment is useful mainly due to its high negative predictive value, with several human leucocyte antigen alleles being associated with DILI...
March 23, 2017: Gut
https://www.readbyqxmd.com/read/28330562/zinc-biofortification-improves-phytochemicals-and-amino-acidic-profile-in-brassica-oleracea-cv-bronco
#2
Yurena Barrameda-Medina, Begoña Blasco, Marco Lentini, Sergio Esposito, Nieves Baenas, Diego A Moreno, Juan M Ruiz
Zn deficiency is currently listed as a major risk factor for human health. Recently, a complimentary solution to mineral malnutrition termed 'biofortification' has been proposed. The aim of this study was to investigate the possible effects of a Zn-biofortification program on Zn levels, amino acidic profile and the phytochemicals content in an edible leafy vegetable, such as Brassica oleracea cv. Bronco. Our results indicate that supplementation of 80-100μM Zn is optimal for maintaining the normal growth of plants and to promote the major Zn concentration in the edible part of B...
May 2017: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/28328939/multimodal-mr-imaging-reveals-large-scale-structural-and-functional-connectivity-changes-in-profound-early-blindness
#3
Corinna M Bauer, Gabriella V Hirsch, Lauren Zajac, Bang-Bon Koo, Olivier Collignon, Lotfi B Merabet
In the setting of profound ocular blindness, numerous lines of evidence demonstrate the existence of dramatic anatomical and functional changes within the brain. However, previous studies based on a variety of distinct measures have often provided inconsistent findings. To help reconcile this issue, we used a multimodal magnetic resonance (MR)-based imaging approach to provide complementary structural and functional information regarding this neuroplastic reorganization. This included gray matter structural morphometry, high angular resolution diffusion imaging (HARDI) of white matter connectivity and integrity, and resting state functional connectivity MRI (rsfcMRI) analysis...
2017: PloS One
https://www.readbyqxmd.com/read/28323662/hvad-flow-waveform-morphologies-theoretical-foundation-and-implications-for-clinical-practice
#4
Jonathan D Rich, Daniel Burkhoff
Continuous flow ventricular assist device (cfVAD) performance and patient hemodynamic conditions are intimately interrelated and dynamic, changing frequently with alterations in physiologic conditions, particularly pre- and after-loading conditions. The Heartware cfVAD (HVAD) provides a unique feature among currently approved VADs of providing an estimated instantaneous flow waveform, the characteristics of which can provide significant insights into patient and device properties. Despite being readily available, HVAD waveforms are poorly understood, underutilized and insufficiently leveraged, even by clinicians who regularly manage HVAD patients...
March 16, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28320349/mindfulness-based-interventions-in-epilepsy-a-systematic-review
#5
Karen Wood, Maggie Lawrence, Bhautesh Jani, Robert Simpson, Stewart W Mercer
BACKGROUND: Mindfulness based interventions (MBIs) are increasingly used to help patients cope with physical and mental long-term conditions (LTCs). Epilepsy is associated with a range of mental and physical comorbidities that have a detrimental effect on quality of life (QOL), but it is not clear whether MBIs can help. We systematically reviewed the literature to determine the effectiveness of MBIs in people with epilepsy. METHODS: Medline, Cochrane Central Register of Controlled Trials, EMBASE, CINAHL, Allied and Complimentary Medicine Database, and PsychInfo were searched in March 2016...
March 20, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28317555/the-cervical-spine-of-australopithecus-sediba
#6
Marc R Meyer, Scott A Williams, Peter Schmid, Steven E Churchill, Lee R Berger
Cervical vertebrae are rare in the early hominin fossil record, presenting a challenge for understanding the evolution of the neck and head carriage in hominin evolution. Here, we examine the cervical vertebrae of Australopithecus sediba, which unlike other South African taxa is known from associated cervical vertebrae. The A. sediba cervical vertebrae exhibit human-like values for wedging, pedicle cross-sectional areas, and articular facet heights, indicating reduced ventral loading relative to African apes...
March 2017: Journal of Human Evolution
https://www.readbyqxmd.com/read/28317080/the-critical-role-of-imaging-in-the-management-of-multiple-myeloma
#7
REVIEW
Shahzad Raza, Siyang Leng, Suzanne Lentzsch
Multiple myeloma (MM) is characterized by abnormal proliferation of plasma cells in the bone marrow leading to symptoms of anemia, renal failure, hypercalcemia, and bone lesions. Bone imaging is critical for the diagnosis, staging, assessment for the presence and extent of bone lesions, and initial treatment of MM. Skeletal survey is the preferred initial imaging modality due to its availability and low cost. However, it has poor sensitivity and patients with occult myeloma may escape detection, delaying their diagnosis and treatment...
March 20, 2017: Current Hematologic Malignancy Reports
https://www.readbyqxmd.com/read/28314726/global-distribution-patterns-and-pangenomic-diversity-of-the-candidate-phylum-latescibacteria-ws3
#8
Ibrahim F Farag, Noha H Youssef, Mostafa S Elshahed
We investigated the global distribution patterns and pangenomic diversity of the candidate phylum "Latescibacteria" (WS3) in 16S rRNA gene as well as metagenomic datasets. We document distinct distribution patterns for various "Latescibacteria" orders in 16S rRNA gene datasets, with prevalence of orders sediment_1 in terrestrial, PBSIII_9 in groundwater and temperate freshwater, and GN03 in pelagic marine, saline-hypersaline, and wastewater habitats. Using a fragment recruitment approach, we identified 68.9 Mb of "Latescibacteria"-affiliated contigs in publicly available metagenomic datasets comprising 73,079 proteins...
March 17, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28302580/the-role-of-therapeutic-layering-in-optimizing-treatment-for-patients-with-castration-resistant-prostate-cancer-radar-ii
#9
E David Crawford, Daniel P Petrylak, Neal Shore, Fred Saad, Susan F Slovin, Nicholas J Vogelzang, Thomas E Keane, Phillip J Koo, Leonard G Gomella, Joe M O'Sullivan, Bertrand Tombal, Raoul S Concepcion, Paul Sieber, Nelson N Stone, Steven E Finkelstein, Evan Y Yu
OBJECTIVE: To offer recommendations on identification of disease progression, treatment management strategies, and suggestions on timing of initiating and discontinuing specific CRPC treatments. MATERIALS AND METHODS: The RADAR II [Prostate Cancer Radiographic Assessments for Detection of Advanced Recurrence] Working Group convened to provide guidance on sequencing, combination, or layering of approved treatments for mCRPC based on available data and clinical experience...
March 13, 2017: Urology
https://www.readbyqxmd.com/read/28293449/subclinical-enthesopathy-in-patients-with-psoriasis-and-its-association-with-other-disease-parameters-a-power-doppler-ultrasonographic-study
#10
Abdelhafeez Moshrif, Ahmed Mosallam, Essam Elden M Mohamed, Wesam Gouda, Mostafa Doma
OBJECTIVE: This study aimed to determine the prevalence of subclinical enthesopathy in patients with psoriasis using power Doppler ultrasonography (PDUS) and its association with other disease parameters. MATERIAL AND METHODS: A total of 50 patients with psoriasis (31 females) aged 19-70 years underwent a thorough clinical examination that included assessment of body mass index (BMI) and psoriasis area and severity index (PASI) score. Measurements of inflammatory markers, C-reactive protein (CRP), erythrocyte sedimentation rate (ESR), serum uric acid, and plain radiography of the heels, knees, and sacroiliac joints were performed for all patients...
March 2017: European Journal of Rheumatology
https://www.readbyqxmd.com/read/28290700/metabolic-response-to-everolimus-in-patient-derived-triple-negative-breast-cancer-xenografts
#11
Leslie R Euceda, Deborah K Hill, Endre Stokke, Rana Hatem, Rania El Botty, Ivan Bièche, Elisabetta Marangoni, Tone F Bathen, Siver A Moestue
Patients with triple negative breast cancer (TNBC) are unresponsive to endocrine and anti-HER2 pharmacotherapy, limiting their therapeutic options to chemotherapy. TNBC is frequently associated with abnormalities in the PI3K/AKT/mTOR signaling pathway; drugs targeting this pathway are currently being evaluated in these patients. However, response is variable, partly due to heterogeneity within TNBC, conferring a need to identify biomarkers predicting response and resistance to targeted therapy. In this study, we used a metabolomics approach to assess response to the mTOR inhibitor everolimus in a panel of TNBC patient-derived xenografts (PDX) (n=103 animals)...
March 14, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28290615/mir-214-regulates-oral-cancer-kb-cell-apoptosis-through-targeting-rassf5
#12
T K Li, K Yin, Z Chen, Y Bao, S X Zhang
Ras association domain family member 5 (RASSF5), a member of the Ras association domain family, induces cell apoptosis by phosphorylating FOXO3a, which triggers target gene BIM (pro-apoptotic factor) activation. MiR-214 is overexpressed in oral cancer tissue, indicating its possible involvement in oral cancer pathogenesis. Bioinformatics analysis has revealed a complimentary sequence between miR-214 and the 3'-UTR of RASSF5 mRNA. However, whether miR-124 regulates RASSF5 in oral cancer remains poorly understood...
March 8, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28280333/proteomic-analysis-of-tears-following-acupuncture-treatment-for-menopausal-dry-eye-disease-by-two-dimensional-nano-liquid-chromatography-coupled-with-tandem-mass-spectrometry
#13
Qingyu Liu, Junling Liu, Chengda Ren, Wenting Cai, Qingquan Wei, Yi Song, Jing Yu
BACKGROUND: The purpose of this study was to investigate whether acupuncture is effective at treating dry eye disease among postmenopausal women and to identify the possible mechanisms. METHODS: Twenty-eight postmenopausal women with dry eye disease were randomly divided into two groups: an acupuncture plus artificial tears (AC + AT) group and an artificial tears (AT) only group. After baseline examination of clinical parameters and tear sample collection, each patient received the designated modality of topical therapy for 2 months...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28279018/correlation-of-ultrasound-shear-wave-elastography-with-pathological-analysis-in-a-xenografic-tumour-model
#14
Eli Elyas, Efthymia Papaevangelou, Erwin J Alles, Janine T Erler, Thomas R Cox, Simon P Robinson, Jeffrey C Bamber
The objective of this study was to evaluate the potential value of ultrasound (US) shear wave elastography (SWE) in assessing the relative change in elastic modulus in colorectal adenocarcinoma xenograft models in vivo and investigate any correlation with histological analysis. We sought to test whether non-invasive evaluation of tissue stiffness is indicative of pathological tumour changes and can be used to monitor therapeutic efficacy. US-SWE was performed in tumour xenografts in 15 NCr nude immunodeficient mice, which were treated with either the cytotoxic drug, Irinotecan, or saline as control...
December 2017: Scientific Reports
https://www.readbyqxmd.com/read/28276817/bariatric-embolization-a-new-and-effective-option-for-the-obese-patient
#15
Clifford R Weiss, Anjaneya S Kathait
Obesity is a public health epidemic in the United States, which results in significant morbidity, mortality, and cost to the healthcare system. Despite advancements in traditional therapeutic options for the obese patients, there is a treatment gap for patients in whom lifestyle modifications alone have not been successful, but for whom bariatric surgery is not a suitable option. Areas covered: This treatment gap needs to be addressed and thus, complimentary or alternative treatments to lifestyle changes and surgery are urgently needed...
April 2017: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28275561/computed-tomography-in-congenital-heart-disease-how-generic-principles-can-be-applied-to-create-bespoke-protocols-in-the-fontan-circuit
#16
REVIEW
Will W Loughborough, Michael Yeong, Mark Hamilton, Nathan Manghat
Cardiac computed tomography (CCT) has become an invaluable cross-sectional imaging modality in congenital heart disease (CHD) patients. However, altered anatomical connections and cardiovascular physiology makes CHD arguably the most challenging area in CCT imaging, which remains a complimentary modality to cardiac magnetic resonance and echocardiography. A bespoke CT protocol is often required to achieve a diagnostic examination; this can be achieved through careful consideration of the basic principles of image acquisition and contrast administration...
February 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28274956/natriuretic-peptides-in-the-evaluation-and-management-of-degenerative-mitral-regurgitation-a-systematic-review
#17
REVIEW
Michael M Johl, Pankaj Malhotra, Devin W Kehl, Florian Rader, Robert J Siegel
Progression of degenerative mitral regurgitation (MR) leads to irreversible cardiac damage. Therefore, longitudinal follow up to determine the optimal timing of surgery is critical. Current data indicates that in addition to the standard of care-assessing for symptoms and signs of left ventricular (LV) decompensation with routine echocardiography-serial measurement of natriuretic peptides offers a quantitative means to identify patients who may benefit from closer supervision, if not surgery. Natriuretic peptide levels, and specifically changes from baseline, identify both symptomatic patients and others likely to develop cardiac dysfunction...
March 8, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28269436/development-of-ocular-viscosity-characterization-method
#18
Shu-Hao Lu, Guo-Zhen Chen, Stanley Y Y Leung, David C C Lam
Glaucoma is the second leading cause for blindness. Irreversible and progressive optic nerve damage results when the intraocular pressure (IOP) exceeds 21 mmHg. The elevated IOP is attributed to blocked fluid drainage from the eye. Methods to measure the IOP are widely available, but methods to measure the viscous response to blocked drainage has yet been developed. An indentation method to characterize the ocular flow is developed in this study. Analysis of the load-relaxation data from indentation tests on drainage-controlled porcine eyes showed that the blocked drainage is correlated with increases in ocular viscosity...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28266211/triphosphate-ion-selective-electrode-based-on-zr-porphyrin-complex
#19
Yuma Yagi, Shuhei Masaki, Tetsuki Iwata, Daisuke Nakane, Takashi Yasui, Akio Yuchi
Ion-selective electrode using zirconium(IV) complex with octaethylporphin (H2oep) as a carrier showed high selectivity to triphosphate (TP, H5tp) against other hydrophilic anions including diphosphate and phosphate. The electroactive species was identified to be [(Zr4(oep)4(Htp)2] (TP/Zr ratio of 0.5) of the unique structure; triphosphates are recognized by one Zr atom through three O atoms on three different P atoms and by another Zr atom through two O atoms on two terminal P atoms and are also involved in complementary intermolecular hydrogen bonding to be surrounded by four porphyrin complexes...
March 16, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28248238/-omics-informed-drug-and-biomarker-discovery-opportunities-challenges-and-future-perspectives
#20
REVIEW
Holly Matthews, James Hanison, Niroshini Nirmalan
The pharmaceutical industry faces unsustainable program failure despite significant increases in investment. Dwindling discovery pipelines, rapidly expanding R&D budgets and increasing regulatory control, predict significant gaps in the future drug markets. The cumulative duration of discovery from concept to commercialisation is unacceptably lengthy, and adds to the deepening crisis. Existing animal models predicting clinical translations are simplistic, highly reductionist and, therefore, not fit for purpose...
September 12, 2016: Proteomes
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