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https://www.readbyqxmd.com/read/28822102/effect-of-a-patient-specific-minimum-activity-in-stress-myocardial-perfusion-imaging-using-czt-spect-prognostic-value-radiation-dose-and-scan-outcome
#1
J D van Dijk, N M Borren, M Mouden, J A van Dalen, J P Ottervanger, P L Jager
BACKGROUND: SPECT Myocardial perfusion imaging (MPI) is associated with a relatively high radiation burden and decreasing image quality in heavy patients. Patient-specific low-activity protocols (PLAPs) are suggested but follow-up data is lacking. Our aim was to compare the use of a standard fixed-activity protocol (FAP) with a PLAP in cadmium zinc telluride (CZT)-SPECT MPI. METHODS: We retrospectively included 1255 consecutive patients who underwent CZT-SPECT stress-optional rest MPI...
August 18, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28819980/superior-fluorogen-activating-protein-probes-based-on-3-indole-malachite-green
#2
Qingyang Zhang, Qinghua Wang, Ying Sun, Limin Zuo, Verena Fetz, Hai-Yu Hu
A series of novel fluorogenic dyes based on 3-indole-Malachite Green, MGs 5-7, have been developed that are dark in solution but highly fluorescent when bound to the cognate reporter, fluorogen-activating protein (FAP). Significantly, the new MGs 5-7 probes are superior to the traditional MG 1 with high fluorescent efficiency and low toxicity to cells while maintaining the large "pseudo-Stokes" shifts (Δλ = λex - λem) and the malachite green (MG)-like fluorescence OFF-ON switching mechanism in both live mammalian cells and bacterial cells when bound to FAP...
August 18, 2017: Organic Letters
https://www.readbyqxmd.com/read/28813711/subjects-at-risk-for-genetic-late-onset-neurological-diseases-objective-knowledge
#3
Ângela Leite, Fernanda Leite, Maria Alzira P Dinis
BACKGROUND/AIMS: This study addresses the objective knowledge about the disease of subjects at risk for 3 genetic late-onset neurological diseases (LOND): familial amyloid polyneuropathy (FAP) TTR V30M, Huntington disease (HD), and Machado-Joseph disease (MJD). METHODS: Subjects at risk for FAP, HD, and MJD submitted to genetic counseling to know their status (carrier or non-carrier) and subjects at risk for hereditary hemochromatosis (HH), the control group, completed a sociodemographic questionnaire and answered the open-ended question: "What do you know about this disease?...
August 17, 2017: Public Health Genomics
https://www.readbyqxmd.com/read/28808566/laparoscopic-double-tract-reconstruction-after-total-gastrectomy-for-postoperative-duodenal-surveillance-case-series
#4
Ryota Otsuka, Hideki Hayashi, Naoyuki Hanari, Hisashi Gunji, Koichi Hayano, Masayuki Kano, Hisahiro Matsubara
INTRODUCTION: When gastric cancer or carcinoid patients have coexisting diseases such as duodenal adenoma, FAP, or Crohn's disease, periodic observation of the duodenum is necessary. METHODS: Between August 2013 and April 2015, we performed four consecutive laparoscopic total gastrectomies with double tract reconstruction for duodenal surveillance. Three of the patients were diagnosed with gastric cancer, while the remaining patient was diagnosed with gastric carcinoid...
September 2017: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/28793332/stromal-cell-markers-are-differentially-expressed-in-the-synovial-tissue-of-patients-with-early-arthritis
#5
Ivy Y Choi, Olga N Karpus, Jason D Turner, Debbie Hardie, Jennifer L Marshall, Maria J H de Hair, Karen I Maijer, Paul P Tak, Karim Raza, Jörg Hamann, Christopher D Buckley, Danielle M Gerlag, Andrew Filer
INTRODUCTION: Previous studies have shown increased expression of stromal markers in synovial tissue (ST) of patients with established rheumatoid arthritis (RA). Here, ST expression of stromal markers in early arthritis in relationship to diagnosis and prognostic outcome was studied. METHODS: ST from 56 patients included in two different early arthritis cohorts and 7 non-inflammatory controls was analysed using immunofluorescence to detect stromal markers CD55, CD248, fibroblast activation protein (FAP) and podoplanin...
2017: PloS One
https://www.readbyqxmd.com/read/28790112/burden-and-profile-of-somatic-mutation-in-duodenal-adenomas-from-patients-with-familial-adenomatous-and-mutyh-associated-polyposis
#6
Laura Elizabeth Thomas, Joanna J Hurley, Elena Meuser, Sian Jose, Kevin E Ashelford, Matthew Mort, Shelley Idziaszczyk, Julie Maynard, Helena Leon Brito, Manon Harry, Angharad Walters, Meera Raja, Sarah Jane Walton, Sunil Dolwani, Geraint T Williams, Meleri Morgan, Morgan Moorghen, Susan K Clark, Julian R Sampson
Duodenal polyposis and cancer are important causes of morbidity and mortality in familial adenomatous polyposis (FAP) and MUTYH-associated polyposis (MAP). This study aimed to comprehensively characterize somatic genetic changes in FAP and MAP duodenal adenomas to better understand duodenal tumorigenesis in these disorders.<br /><br />Experimental Design: Sixty-nine adenomas were biopsied during endoscopy in 16 FAP and 10 MAP patients with duodenal polyposis. Ten FAP and 10 MAP adenomas and matched blood DNA samples were exome sequenced, 42 further adenomas underwent targeted sequencing and 47 were studied by array comparative genomic hybridization...
August 8, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28777328/direct-identification-of-functional-amyloid-proteins-by-label-free-quantitative-mass-spectrometry
#7
Heidi N Danielsen, Susan H Hansen, Florian-Alexander Herbst, Henrik Kjeldal, Allan Stensballe, Per H Nielsen, Morten S Dueholm
Functional amyloids are important structural and functional components of many biofilms, yet our knowledge of these fascinating polymers is limited to a few examples for which the native amyloids have been isolated in pure form. Isolation of the functional amyloids from other cell components represents a major bottleneck in the search for new functional amyloid systems. Here we present a label-free quantitative mass spectrometry method that allows identification of amyloid proteins directly in cell lysates...
August 4, 2017: Biomolecules
https://www.readbyqxmd.com/read/28765715/children-s-international-polyposis-chip-study-a-randomized-double-blind-placebo-controlled-study-of-celecoxib-in-children-with-familial-adenomatous-polyposis
#8
Carol A Burke, Robin Phillips, Manuela F Berger, Chunming Li, Margaret Noyes Essex, Dinu Iorga, Patrick M Lynch
OBJECTIVE: To evaluate the efficacy and safety of celecoxib versus placebo in the prevention and treatment of colorectal polyposis in children with familial adenomatous polyposis (FAP). METHODS: In this Phase III, double-blind, randomized, placebo-controlled, multicenter trial patients aged 10-17 years with FAP were randomized to celecoxib (16 mg/kg/day) or placebo for up to 5 years. Patients underwent annual assessments, including colonoscopies, to detect the time from randomization to the earliest occurrence of ≥20 polyps (>2 mm in size) or colorectal malignancy...
2017: Clinical and Experimental Gastroenterology
https://www.readbyqxmd.com/read/28762097/a-missense-variant-p-ala117ser-in-the-transthyretin-gene-of-a-han-chinese-family-with-familial-amyloid-polyneuropathy
#9
Qian Chen, Lamei Yuan, Xiong Deng, Zhijian Yang, Shengwang Zhang, Sheng Deng, Hongwei Lu, Hao Deng
Familial amyloid polyneuropathy (FAP) is a dominantly inherited disorder. This study aims to explore the genetic features of a Han Chinese family with FAP, characterized by bloating, alternating diarrhea and constipation, and weakness in his feet. Amyloid presented histologically in the vessel walls of hepatic portal area and nerves of the surgically excised liver specimens from the proband by hematoxylin and eosin staining. Amyloid deposition was further confirmed with Congo red treatment. A c.349G>T transversion (p...
July 31, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28751521/the-third-pathway-of-colorectal-carcinogenesis
#10
REVIEW
Carlos A Rubio, Giacomo Puppa, Giovanni de Petris, Lorand Kis, Peter T Schmidt
AIMS: The majority of the colorectal carcinomas (CRC) arise in a vast mucosal area built with columnar cells and mucus-producing goblet cells. These carcinomas evolve via the conventional (tubular/villous) adenoma-carcinoma pathway, or the serrated adenoma-carcinoma pathway. Much less frequently CRC arise in the gut-associated lymphoid tissue (GALT) mucosal domain via the third pathway of colorectal carcinogenesis. METHODS: All publications on human colorectal GALT carcinomas in the literature were reviewed...
July 27, 2017: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28743000/cilia-control-fat-deposition-during-tissue-repair
#11
Eusebio Perdiguero, Antonio L Serrano, Pura Muñoz-Cánoves
Fibro/adipogenic progenitors (FAPs) are emerging as crucial regulators of fibrous and fat deposits during skeletal muscle regeneration. In a recent issue of Cell, Kopinke et al. (2017) report that primary cilia induce the adipogenic fate of FAPs in injured and diseased muscle by restraining Hedgehog signaling.
July 24, 2017: Developmental Cell
https://www.readbyqxmd.com/read/28741976/fampridine-response-in-ms-patients-with-gait-impairment-in-a-real-world-setting-need-for-new-response-criteria
#12
Francisco Alejandro Rodriguez-Leal, Rocco Haase, Katja Thomas, Judith Christina Eisele, Undine Proschmann, Thorsten Schultheiss, Raimar Kern, Tjalf Ziemssen
OBJECTIVE: The primary objective of this real-world study was to describe the response to fampridine and changes of gait parameters in multiple sclerosis (MS) patients' walking disability (Expanded Disability Status Scale (EDSS): 4-7) after treatment with fampridine for 2 weeks as recommended by the European Medicines Agency (EMA) and compare it with the overall physician's judgement. METHODS: A total of 211 adult MS patients were analyzed using a multimodal gait assessment including the timed 25-foot walk test (T25FW), 2-minute walking test (2-MWT), 12-item Multiple Sclerosis Walking Scale (MSWS-12), the GAITRite electronic walkway system, and the patients' clinical global impression (CGI)...
July 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28735527/fibroblast-activating-protein-%C3%AE-expression-in-squamous-cell-carcinoma-of-the-esophagus-in-primary-and-irradiated-tumors-the-use-of-archival-ffpe-material-for-molecular-techniques
#13
Renata Tabola, Magdalena Zaremba-Czogalla, Dagmara Baczynska, Roberto Cirocchi, Kamila Stach, Krzysztof Grabowski, Katarzyna Augoff
There are numerous reports suggesting that fibroblast activating protein-α (FAP-α) plays an important role in invasion of various tumor types. We studied the expression pattern of FAP-α in esophageal squamous cell carcinoma (ESCC) patients who had not been treated primarily and those who had received neoadjuvant radiochemotherapy. Our goal was to establish whether readily available tissue specimens fixed in formalin and stored in paraffin blocks for years might still be a source of FAP-α RNA for PCR analysis...
June 20, 2017: European Journal of Histochemistry: EJH
https://www.readbyqxmd.com/read/28720451/high-diversity-of-alpha-beta-and-gamma-human-papillomaviruses-in-genital-samples-from-hiv-negative-and-hiv-positive-heterosexual-south-african-men
#14
Tracy L Meiring, Zizipho Z A Mbulawa, Maia Lesosky, David Coetzee, Anna-Lise Williamson
BACKGROUND: This study investigated the prevalence of HPVs in heterosexual South African men and the impact of HIV co-infection. METHODS: HPV was detected in penile swabs from 195 HIV-infected and 140 HIV-uninfected men using PCR with FAP59/64 primers and Roche Linear Array HPV genotyping (LA). Genotyping of FAP positive specimens was achieved by high-throughput sequencing of amplicons. RESULTS: HPV was detected by FAP PCR and LA in 79% (266/335) of the men...
June 2017: Papillomavirus Research
https://www.readbyqxmd.com/read/28719236/applying-an-artificial-neural-network-model-for-developing-a-severity-score-for-patients-with-hereditary-amyloid-polyneuropathy
#15
Shenia Novis, Felipe Machado, Victor B Costa, Debora Foguel, Marcia W Cruz, José Manoel de Seixas
Hereditary (familial) amyloid polyneuropathy (FAP) is a systemic disease that includes a sensorimotor polyneuropathy related to transthyretin (TTR) mutations. So far, a scale designed to classify the severity of this disease has not yet been validated. This work proposes the implementation of an artificial neural network (ANN) in order to develop a severity scale for monitoring the disease progression in FAP patients. In order to achieve this goal, relevant symptoms and laboratory findings were collected from 98 Brazilian patients included in THAOS - the Transthyretin Amyloidosis Outcomes Survey...
July 18, 2017: Amyloid: the International Journal of Experimental and Clinical Investigation
https://www.readbyqxmd.com/read/28715351/interacting-influences-of-gender-and-chronic-pain-status-on-parasympathetically-mediated-heart-rate-variability-in-adolescents-and-young-adults
#16
Lynn S Walker, Amanda L Stone, Craig A Smith, Stephen Bruehl, Judy Garber, Martina Puzanovova, André Diedrich
Considerable research links chronic pain to autonomic nervous system (ANS) dysfunction, specifically low heart rate variability (HRV) mediated by reduced parasympathetic activity. However, little is known about factors that influence ANS function in chronic pain. The ANS is the primary pathway for brain-gut communication, making it of particular interest in gastrointestinal disorders, such as irritable bowel syndrome, characterized by functional abdominal pain (FAP). We evaluated the relation of sex, pain severity, and psychological stress to ANS function in adolescents/young adults from a database of pediatric FAP and control participants enrolled 8 years earlier in a prospective study of pain...
August 2017: Pain
https://www.readbyqxmd.com/read/28712129/lactobacillus-reuteri-dsm-17938-and-a-placebo-both-significantly-reduced-symptoms-in-children-with-functional-abdominal-pain
#17
M Maragkoudaki, G Chouliaras, R Orel, A Horvath, H Szajewska, A Papadopoulou
AIM: Lactobacillus reuteri is a Gram-positive bacterium that naturally inhabits the human intestinal tract. This study assessed how effectively the probiotic Lactobacilllus reuteri DSM 17938 managed childhood functional abdominal pain (FAP). METHODS: We recruited 54 children with a mean age 9.1±3.8 years, who were diagnosed with FAP in the outpatient clinics of three university hospitals in Greece, Slovenia and Poland, according to the Rome III criteria, from January 2013 to December 2015...
July 16, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28711492/species-specific-real-time-rt-pcr-analysis-of-expression-of-stromal-cell-genes-in-a-tumor-xenotransplantation-model-in-mice
#18
Evzen Krepela, Petr Busek, Marek Hilser, Zdislava Vanickova, Aleksi Sedo
Human tumor xenografts in mice together with the species-specific analysis of expressed genes allow to study the molecular processes driving tumor growth and progression in vivo and help to develop and evaluate anticancer therapies. In the present work, we designed and validated species-specific real-time RT-PCR assays for discrimination and quantitation of expression of human and mouse transcripts in cancer and stromal cells including dipeptidyl peptidase (DPP) 4, DPP8, DPP9, fibroblast activation protein (FAP) and CXC chemokine receptor 4 in mixed human-mouse biological samples...
July 12, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28711423/randomized-trial-of-intelligent-sensor-system-for-early-illness-alerts-in-senior-housing
#19
Marilyn Rantz, Lorraine J Phillips, Colleen Galambos, Kari Lane, Gregory L Alexander, Laurel Despins, Richelle J Koopman, Marjorie Skubic, Lanis Hicks, Steven Miller, Andy Craver, Bradford H Harris, Chelsea B Deroche
OBJECTIVES: Measure the clinical effectiveness and cost effectiveness of using sensor data from an environmentally embedded sensor system for early illness recognition. This sensor system has demonstrated in pilot studies to detect changes in function and in chronic diseases or acute illnesses on average 10 days to 2 weeks before usual assessment methods or self-reports of illness. DESIGN: Prospective intervention study in 13 assisted living (AL) communities of 171 residents randomly assigned to intervention (n=86) or comparison group (n=85) receiving usual care...
July 12, 2017: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/28711237/precise-role-of-dermal-fibroblasts-on-melanocyte-pigmentation
#20
REVIEW
Yinjuan Wang, Céline Viennet, Sophie Robin, Jean-Yves Berthon, Li He, Philippe Humbert
Dermal fibroblasts are traditionally recognized as synthesizing, remodeling and depositing collagen and extracellular matrix, the structural framework for tissues, helping to bring thickness and firmness to the skin. However, the role of fibroblasts on skin pigmentation arouses concern recently. More is known about the interactions between epidermal melanocytes and keratinocytes. This review highlights the importance of fibroblast-derived melanogenic paracrine mediators in the regulation of melanocyte activities...
July 1, 2017: Journal of Dermatological Science
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