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https://www.readbyqxmd.com/read/29916219/serotonin-1a-receptor-density-measured-by-f18-mefway-pet-ct-in-mesiotemporal-cortex-and-raphe-does-not-discriminate-therapeutic-response-in-patients-with-major-depressive-episode
#1
Martin Barth, Andreas Dunzinger, Irina Wimmer, Johanna Winkler, Hans Rittmannsberger, Michael Nader, Robert Pichler
BACKGROUND: More than 50% of patients with major depressive episode (MDE) fail to respond to initial treatment with first line pharmacological therapy. Altered receptor and serotonin transporter function are considered to be associated with mental disorders. Our investigation aimed on the density of the HT1A receptor in mesiotemporal cortex (MTC) and raphe measured by F18-Mefway in patients with MDD. METHODS: Patients with untreated clinically suspected major depressive episode were recruited from June 2012 to May 2014...
June 14, 2018: Quarterly Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29913316/aging-modulates-fronto-temporal-cortical-interactions-during-lexical-production-a-dynamic-causal-modeling-study
#2
E Hoyau, A Roux-Sibilon, N Boudiaf, C Pichat, E Cousin, A Krainik, A Jaillard, C Peyrin, M Baciu
In this dynamic causal modeling (DCM) study, we evaluated the effect of age on the effective connectivity of a cerebral network involved in lexical production. Younger and older adults performed an object naming task during fMRI. The DCM was used to explore the interactions between four regions of interest: the occipital cortex, OC; the lateral temporal cortex, LTC; the medial temporal cortex, MTC; and the inferior frontal cortex, IFC. We mainly focused on the modulation of the fronto-temporal interaction, according to the hypothesis that aging requires strategies that modulate the access to the semantic knowledge, either through a neural reserve mechanism (increased MTC-LTC connectivity) or through a neural compensation mechanism (supplementary IFC-MTC connectivity)...
June 15, 2018: Brain and Language
https://www.readbyqxmd.com/read/29901149/diagnostic-value-and-lymph-node-metastasis-prediction-of-a-custom%C3%A2-made-panel-thyroline-in-thyroid-cancer
#3
Zunfu Ke, Yihao Liu, Yunjian Zhang, Jie Li, Ming Kuang, Sui Peng, Jinyu Liang, Shuang Yu, Lei Su, Lili Chen, Cong Sun, Bin Li, Jessica Cao, Weiming Lv, Haipeng Xiao
Differentiation of benign and malignant thyroid nodules is crucial for clinical management. Here, we explored the efficacy of next‑generation sequencing (NGS) in predicting the classification of benign and malignant thyroid nodules and lymph node metastasis status, and simultaneously compared the results with ultrasound (US). Thyroline was designed to detect 15 target gene mutations and 2 fusions in 98 formalin‑fixed, paraffin‑embedded (FFPE) tissues, including those from 82 thyroid cancer (TC) patients and 16 patients with benign nodules...
June 14, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29898688/knowledge-attitudes-and-practices-of-health-personnel-of-maternities-in-the-prevention-of-mother-to-child-transmission-of-hiv-in-a-sub-saharan-african-region-with-high-transmission-rate-some-solutions-proposed
#4
Elie Nkwabong, Romuald Meboulou Nguel, Nelly Kamgaing, Anne Sylvie Keddi Jippe
BACKGROUND: High mother-to-child (MTC) transmission rate of HIV might contribute to the increased pandemic rate. The aim of this study was to identify the knowledge, attitude and practices of health personnel working in maternities in the prevention of MTC transmission of HIV. METHODS: This cross-sectional descriptive study was carried out from 20th February to 30th April, 2017. All health personnel working in the maternity wards were included in this study. The variables recorded included their age, grade, experience (number of year of practice), gender, educational level, health structure and the training in prevention of MTC transmission of HIV...
June 14, 2018: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29897643/cest-mri-of-sepsis-induced-acute-kidney-injury
#5
Jing Liu, Zheng Han, Guoli Chen, Yuguo Li, Jia Zhang, Jiadi Xu, Peter C M van Zijl, Shuixing Zhang, Guanshu Liu
Sepsis-induced acute kidney injury (SAKI) is a major complication of kidney disease associated with increased mortality and faster progression. Therefore, the development of imaging biomarkers to detect septic AKI is of great clinical interest. In this study, we aimed to characterize the endogenous chemical exchange saturation transfer (CEST) MRI contrast in the lipopolysaccharide (LPS)-induced SAKI mouse model and to investigate the use of CEST MRI for detecting such injury. We used a SAKI mouse model that was generated by i...
June 13, 2018: NMR in Biomedicine
https://www.readbyqxmd.com/read/29890568/hyalinizing-trabecular-tumor-of-the-thyroid-gland-a-diagnostic-challenge-in-fine-needle-aspiration-cytology-case-report
#6
Ye-Young Rhee, Hong Kyu Jung, Se Hoon Kim, Soo Hee Kim
Hyalinizing trabecular tumor (HTT) is a rare thyroid tumor with low to minimal malignant potential. HTT is often misinterpreted as other thyroid tumors, including papillary thyroid carcinoma (PTC) and medullary thyroid carcinoma (MTC), on fine-needle aspiration (FNA) cytology, because of its overlapping cytologic features, such as nuclear grooves and intranulcear pseudoinclusions. Although cytopathologists cannot definitely conclude HTT by FNA cytology, suspicion of HTT is necessary to avoid misdiagnosing HTT as PTC or MTC and to avoid unnecessary aggressive treatment...
June 11, 2018: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29887418/update-in-cardiovascular-safety-of-glucagon-like-peptide-1-receptor-agonists-in-patients-with-type-2-diabetes-a-mixed-treatment-comparison-meta-analysis-of-randomised-controlled-trials
#7
REVIEW
Majed S Al Yami, Osamah M Alfayez, Razan Alsheikh
The aim of this mixed treatment comparison (MTC) meta-analysis was to determine glucagon like peptide-1 (GLP-1) receptor agonists' effects on cardiovascular (CV) outcomes in patients with type 2 diabetes (T2DM). METHODS: A comprehensive, systematic review was conducted using EMBASE and Medline databases. All included trials were large CV outcome trials of GLP-1 agonists versus placebo in T2DM. The primary outcomes of this MTC meta-analysis were death from CV causes, non-fatal MI, and non-fatal stroke...
March 29, 2018: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/29885402/evaluation-of-mirnas-expression-in-medullary-thyroid-carcinoma-tissue-samples-mir-34a-and-mir-144-as-promising-overexpressed-markers-in-mtc
#8
Noushin Shabani, Javad Razaviyan, Mahdi Paryan, Seyed Mohammad Tavangar, Fereidoun Azizi, Samira Mohammadi-Yeganeh, Mehdi Hedayati
Medullary Thyroid Carcinoma (MTC) is a rare neoplasia derived from neural parafollicular C cells. MicroRNAs (miRNAs) are small regulatory RNAs with essential roles in the biology of cancers such as MTC and can be applied as diagnostic markers. According to previous studies, miR-144 and miR-34 and their two oncogenes target, mammalian target of rapamycin (mTOR) and AXL receptor tyrosine kinase (AXL), were selected for further investigations in our study. Thirty MTC samples as well as thirty adjacent normal thyroid tissues were applied in this study including 28 Formalin-Fixed Paraffin-Embedded (FFPE) and 2 fresh-frozen MTC samples...
June 6, 2018: Human Pathology
https://www.readbyqxmd.com/read/29869156/histology-proven-recurrence-in-the-lateral-or-central-neck-after-systematic-neck-dissection-for-medullary-thyroid-cancer
#9
Andreas Machens, Kerstin Lorenz, Henning Dralle
PURPOSE: To delineate risk factors for, and examine temporal patterns of, histology-proven recurrent medullary thyroid cancer (MTC) after compartment-oriented surgery. METHODS: Multivariate Cox regression on overall, node, and soft tissue infiltrate recurrence per previously dissected neck compartment. RESULTS: Mean follow-up for the 203 (and 158) patients with central (and ipsilateral lateral) neck dissection was 56.1 months. On multivariate Cox regression, tumor size > 20 mm predicted overall and node recurrence in the central neck, whereas extranodal growth predicted overall and node recurrence in the ipsilateral lateral neck...
June 5, 2018: Endocrine
https://www.readbyqxmd.com/read/29847536/outcomes-following-trauma-laparotomy-for-hypotensive-trauma-patients-a-uk-military-and-civilian-perspective
#10
Max Marsden, Rich Carden, Lalin Navaratne, Iain M Smith, Jowan G Penn-Barwell, Luke M Kraven, Karim Brohi, Nigel R M Tai, Douglas M Bowley
BACKGROUND: The management of trauma patients has changed radically in the last decade and studies have shown overall improvements in survival. However, reduction in mortality for the many may obscure a lack of progress in some high-risk patients. We sought to examine the outcomes for hypotensive patients requiring laparotomy in UK military and civilian cohorts. METHODS: We undertook a review of two prospectively maintained trauma databases; the UK Joint Theatre Trauma Registry (JTTR) for the military cohort (4th February 2003 to 21st September 2014), and the trauma registry of the Royal London Hospital MTC (1st January 2012 to 1st January 2017) for civilian patients...
May 25, 2018: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29847167/calcitonin-secretory-index-and-unsuspected-nodal-disease-in-medullary-thyroid-carcinoma
#11
Sabin Filimon, Richard J Payne, Martin J Black, Michael P Hier, Alex M Mlynarek, Veronique-Isabelle Forest, Michael Tamilia
OBJECTIVE: Medullary thyroid carcinoma (MTC) is a rare thyroid malignancy originating from parafollicular C-cells with the potential for aggressive behavior. The extent of lymph node (LN) dissection at the time of surgery is controversial, with different schools of thought prevailing. Some systematically perform LN dissections, whereas others base their decision on radiologic evidence of disease and some with the assistance of pre-operative calcitonin (CT) levels. METHODS: We retrospectively assessed the correlation between pre-operative CT levels and clinico-pathologic factors among 42 patients with MTC between 1994 and 2015...
May 2018: Endocrine Practice
https://www.readbyqxmd.com/read/29846642/comparison-of-68ga-pet-ct-to-other-imaging-studies-in-medullary-thyroid-cancer-superiority-in-detecting-bone-metastases
#12
Luciana Audi Castroneves, George Coura Filho, Ricardo Miguel Costa de Freitas, Raphael Salles, Raquel Ajub Moyses, Rossana Veronica Mendoza Lopez, Maria Adelaide Albergaria Pereira, Marcos Roberto Tavares, Alexsander Augusto de Lima Jorge, Carlos Alberto Buchpiguel, Ana Oliveira Hoff
Objective: Evaluate the efficacy of 68Ga PET/CT in detecting MTC lesions and evaluate tumor expression of somatostatin receptors (SSTR) associating with 68Ga PET/CT findings. Methods: Prospective study evaluating 30 MTC patients; Group 1 (N=16): Biochemical disease and Group 2 (N=14): Metastatic disease. Patients underwent 68Ga PET/CT, bone scan, neck CT and US, CT chest, CT/MRI abdomen, MRI spine. 68Ga PET/CT findings were analyzed by disease site as positive or negative and as concordant or discordant with conventional studies...
May 28, 2018: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29845795/the-effects-of-lysophosphatidic-acid-on-the-incidence-of-cell-death-in-cultured-vitrified-and-non-vitrified-mouse-ovarian-tissue-separation-of-necrosis-and-apoptosis-border
#13
Neda Abedpour, Mojdeh Salehnia, Nassim Ghorbanmehr
Objective: The aim of the present study was to examine whether lysophosphatidic acid (LPA) could decrease cell death and improve in vitro culture (IVC) conditions in cultured vitrified mouse ovarian tissue. Materials and Methods: In this experimental study, we collected and randomly divided 7-day-old mouse ovarian tissues into vitrified and non-vitrified groups. The ovaries were cultured in the presence and absence of LPA for one week. Morphology and follicular development were evaluated by hematoxylin and eosin (H&E) and Masson's trichrome (MTC) staining...
October 2018: Cell Journal
https://www.readbyqxmd.com/read/29845640/cest-asl-and-magnetization-transfer-contrast-how-similar-pulse-sequences-detect-different-phenomena
#14
REVIEW
Linda Knutsson, Jiadi Xu, André Ahlgren, Peter C M van Zijl
Chemical exchange saturation transfer (CEST), arterial spin labeling (ASL), and magnetization transfer contrast (MTC) methods generate different contrasts for MRI. However, they share many similarities in terms of pulse sequences and mechanistic principles. They all use RF pulse preparation schemes to label the longitudinal magnetization of certain proton pools and follow the delivery and transfer of this magnetic label to a water proton pool in a tissue region of interest, where it accumulates and can be detected using any imaging sequence...
May 30, 2018: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/29796590/safe-working-in-a-7-day-service-experience-of-hip-fracture-care-as-documented-by-the-uk-national-hip-fracture-database
#15
Jenny Neuburger, Colin Currie, Robert Wakeman, Theo Georghiou, Chris Boulton, Antony Johansen, Carmen Tsang, Helen Wilson, David A Cromwell, Jan van der Meulen
Objective: to describe differences in care and 30-day mortality of patients admitted with hip fracture on weekends (Saturday-Sunday) compared to weekdays (Monday-Friday), and their relationship to the organisation of care. Methods: data came from the National Hip Fracture Database (NHFD) linked to ONS mortality data on 52,599 patients presenting to 162 units in England between 1 January and 31 December 2014. This was combined with information on geriatrician staffing and major trauma centre (MTC) status...
May 22, 2018: Age and Ageing
https://www.readbyqxmd.com/read/29787583/gender-associated-muscle-tendon-adaptations-to-resistance-training
#16
Gerard McMahon, Christopher I Morse, Keith Winwood, Adrian Burden, Gladys L Onambélé
PURPOSE: To compare the relative changes in muscle-tendon complex (MTC) properties following high load resistance training (RT) in young males and females, and determine any link with circulating TGFβ-1 and IGF-I levels. METHODS: Twenty-eight participants were assigned to a training group and subdivided by sex (T males [TM] aged 20±1 year, n = 8, T females [TF] aged 19±3 year, n = 8), whilst age-matched 6 males and 6 females were assigned to control groups (ConM/F)...
2018: PloS One
https://www.readbyqxmd.com/read/29774010/efficacy-of-vandetanib-in-treating-locally-advanced-or-metastatic-medullary-thyroid-carcinoma-according-to-recist-criteria-a-systematic-review-and-meta-analysis
#17
Pierpaolo Trimboli, Marco Castellana, Camilla Virili, Francesco Giorgino, Luca Giovanella
Background: Vandetanib is the most largely used tyrosine kinase inhibitor (TKI) in patients with locally advanced and/or metastatic medullary thyroid cancer (MTC). Here, we conducted a systematic review on its efficacy and attempted to perform a meta-analysis adopting standardized RECIST criteria as end-points. Methods: The terms "medullary thyroid" and "protein kinase inhibitor" (then including all TKIs) were searched in PubMed, ClinicalTrials...
2018: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29769664/parallel-odor-processing-by-mitral-and-middle-tufted-cells-in-the-olfactory-bulb
#18
Francesco Cavarretta, Shawn D Burton, Kei M Igarashi, Gordon M Shepherd, Michael L Hines, Michele Migliore
The olfactory bulb (OB) transforms sensory input into spatially and temporally organized patterns of activity in principal mitral (MC) and middle tufted (mTC) cells. Thus far, the mechanisms underlying odor representations in the OB have been mainly investigated in MCs. However, experimental findings suggest that MC and mTC may encode parallel and complementary odor representations. We have analyzed the functional roles of these pathways by using a morphologically and physiologically realistic three-dimensional model to explore the MC and mTC microcircuits in the glomerular layer and deeper plexiform layer...
May 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29766245/-18-f-dopa-pet-cect-in-diagnosis-and-staging-of-primary-medullary-thyroid-carcinoma-prior-to-surgery
#19
Sazan Rasul, Sabrina Hartenbach, Katharina Rebhan, Adelina Göllner, Georgios Karanikas, Marius Mayerhoefer, Peter Mazal, Marcus Hacker, Markus Hartenbach
PURPOSE: Medullary thyroid carcinoma (MTC) is characterized by a high rate of metastasis. In this study we evaluated the ability of [18 F]DOPA PET/ceCT to stage MTC in patients with suspicious thyroid nodules and pathologically elevated serum calcitonin (Ctn) levels prior to total thyroidectomy and lymph node (LN) dissection. METHODS: A group of 32 patients with sonographically suspicious thyroid nodules and pathologically elevated basal Ctn (bCtn) and stimulated Ctn (sCtn) levels underwent DOPA PET/ceCT prior to surgery...
May 15, 2018: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29763726/susceptibility-of-ruminal-bacteria-isolated-from-large-and-small-ruminant-to-multiple-conventional-antibiotics
#20
Abdelfattah Z M Salem, Ameer Khusro, Mona M Y Elghandour, Jaime Olivares-Pérez, Saúl Rojas-Hernandez, Régulo Jiménez-Guillén
The pivotal aim of the present context was to isolate diversified group of bacteria from the ruminants and to evaluate their antibiogram pattern against 22 antibiotics of 14 different classes. The bacterial isolates from small and large ruminant (sheep, cattle, and calves) were isolated from the rumen based on various colonies morphology, and subjected for preliminary antibiotics susceptibility assay using disc diffusion method. The most sensitive isolates (based on zone of inhibition) were selected for determining the minimum inhibitory concentration (MIC) of each antibiotic ranging from 1 to 256 μg/mL...
May 12, 2018: Microbial Pathogenesis
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