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https://www.readbyqxmd.com/read/28505308/diagnostic-performance-of-ultrasound-guided-fine-needle-aspiration-of-nonpalpable-breast-lesions-in-a-multidisciplinary-setting-the-institut-curie-s-experience
#1
Josep A Farras Roca, Anne Tardivon, Fabienne Thibault, Carl El Khoury, Séverine Alran, Virginie Fourchotte, Véronique Marck, Bernard Alépée, Birigitte Sigal, Yann de Rycke, Roman Rouzier, Jerzy Klijanienko
Objectives: To assess the diagnostic performance of ultrasound-guided fine-needle aspiration (USFNA) in nonpalpable breast lesions (NPBLs) in a multidisciplinary setting. Methods: In total, 2,601 NPBLs underwent USFNA by a radiologist-pathologist team. Gold-standard diagnosis was based on surgery, core-needle biopsy, or 1-year imaging follow-up. USFNA's diagnostic performance was analyzed in different clinical and imaging subgroups. Results: USFNA's sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) were, respectively, 92...
May 13, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28468944/enac-activity-is-regulated-by-calpain-2-proteolysis-of-marcks-proteins
#2
Darrice S Montgomery, Ling Yu, Zinah M Ghazi, Tiffany L Thai, Otor Al-Khalili, He-Ping Ma, Douglas C Eaton, Abdel A Alli
We previously demonstrated a role for the myristoylated alanine-rich C kinase substrate (MARCKS) to serve as an adaptor protein in the anionic phospholipid phosphate-dependent regulation of the epithelial sodium channel (ENaC). Both MARCKS and ENaC are regulated by proteolysis. Calpains are a family of ubiquitously expressed intracellular Ca(2+)-dependent cysteine proteases involved in signal transduction. Here we examine the role of calpain-2 in regulating MARCKS and ENaC in cultured renal epithelial cells and in the mouse kidney...
May 3, 2017: American Journal of Physiology. Cell Physiology
https://www.readbyqxmd.com/read/28454237/marcks-phosphorylation-is-modulated-by-a-peptide-mimetic-of-marcks-effector-domain-leading-to-increased-radiation-sensitivity-in-lung-cancer-cell-lines
#3
Timothy D Rohrbach, Robert B Jones, Patricia H Hicks, Alice N Weaver, Tiffiny S Cooper, Nicholas J Eustace, Eddy S Yang, John S Jarboe, Joshua C Anderson, Christopher D Willey
Lung cancer is the leading cause of cancer-associated mortality in the United States. Kinase hyperactivation is a known mechanism of tumorigenesis. The phosphorylation status of the plasma membrane-associated protein myristoylated alanine rich C-kinase substrate (MARCKS) effector domain (ED) was previously established as being important in the sensitivity of lung cancer to radiation. Specifically, when MARCKS ED was in a non-phosphorylated state, lung cancer cells were more susceptible to ionizing radiation and experienced prolonged double-strand DNA breaks...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28451358/synthetically-controlling-dendrimer-flexibility-improves-delivery-of-large-plasmid-dna
#4
Jessica A Kretzmann, Diwei Ho, Cameron W Evans, Janice H C Plani-Lam, Benjamin Garcia-Bloj, A Elaaf Mohamed, Megan L O'Mara, Ethan Ford, Dennis E K Tan, Ryan Lister, Pilar Blancafort, Marck Norret, K Swaminathan Iyer
Tools for editing the genome and epigenome have revolutionised the field of molecular biology and represent a new frontier in targeted therapeutic intervention. Although efficiencies and specificities of genome editing technologies have improved with the development of TALEs and CRISPR platforms, intracellular delivery of these larger constructs still remains a challenge using existing delivery agents. Viral vectors, including lentiviruses and adeno-associated viruses, as well as some non-viral strategies, such as cationic polymers and liposomes, are limited by packaging capacity, poor delivery, toxicity, and immunogenicity...
April 1, 2017: Chemical Science
https://www.readbyqxmd.com/read/28414123/anti-factor-xa-activities-of-zingerone-with-anti-platelet-aggregation-activity
#5
Wonhwa Lee, Sae-Kwang Ku, Mi-Ae Kim, Jong-Sup Bae
Zingerone (ZGR), a phenolic alkanone found in Zingiber officinale, has been reported to have various pharmacological activities such as anti-inflammatory, anti-apoptotic, and protecting myocardial infarction and irritable bowel disorder. The aim was to identify the unreported bioactive anti-factor Xa (FXa) and anti-platelet activities of ZGR. ZGR was evaluated for their anti-FXa and anti-platelet aggregation properties by monitoring clotting time, platelet aggregation, FXa activity and production, and thrombus formation...
April 13, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28389510/association-of-tissue-abiraterone-levels-and-slco-genotype-with-intraprostatic-steroids-and-pathologic-response-in-men-with-high-risk-localized-prostate-cancer
#6
Elahe A Mostaghel, Eunpi Cho, Ailin Zhang, Mohammad Alyamani, Arja Kaipainen, Sean Green, Brett Marck, Nima Sharifi, Jonathan L Wright, Roman Gulati, Lawrence D True, Massimo Loda, Alvin M Matsumoto, Daniel Tamae, Trevor N Penning, Steven P Balk, Philip W Kantoff, Peter S Nelson, Mary-Ellen Taplin, Bruce Montgomery
Germline variation in solute carrier organic anion (SLCO) genes influences cellular steroid uptake and is associated with prostate cancer (PCa) outcomes. We hypothesized that, due to its steroidal structure, the CYP17A inhibitor abiraterone may undergo SLCO-mediated transport and that SLCO gene variation may influence intracellular abiraterone levels and outcomes.<br /><br />Experimental Design: Steroid and abiraterone levels were measured by mass spectrometry in serum and tissue from 58 men with localized PCa in a clinical trial of LHRH agonist plus abiraterone acetate plus prednisone for 24 weeks prior to prostatectomy...
April 7, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28372581/perseverance-time-of-informal-caregivers-for-people-with-dementia-construct-validity-responsiveness-and-predictive-validity
#7
Anke Richters, René J F Melis, N Job van Exel, Marcel G M Olde Rikkert, Marjolein A van der Marck
BACKGROUND: Informal care is essential for many people with dementia (PwD), but it often results in a considerable burden for the caregiver. The perseverance time instrument integrates the aspect of perceived burden with the caregiver's capacity to cope with the burden, in contrast to most available instruments, which measure solely the burden of caregiving. The aim of this study was to extend insight into psychometric properties of the perseverance time instrument, specifically the construct validity, responsiveness, and predictive validity, within the population of informal caregivers for PwD...
April 4, 2017: Alzheimer's Research & Therapy
https://www.readbyqxmd.com/read/28370068/dose-response-effects-of-sex-hormone-concentrations-on-body-composition-and-adipokines-in-medically-castrated-healthy-men-administered-graded-doses-of-testosterone-gel
#8
Arthi Thirumalai, Katya B Rubinow, Lori A Cooper, John K Amory, Brett T Marck, Alvin M Matsumoto, Stephanie T Page
OBJECTIVE: Serum sex steroid concentrations may alter body composition and glucose homeostasis in men in a dose-response manner. We evaluated these endpoints in healthy men rendered medically castrate through use of a gonadotropin-releasing hormone antagonist (acyline) with incremental doses of exogenous testosterone (T) gel. DESIGN: Subjects (n=6-9 per group) were randomly assigned to injections of acyline every 2 weeks plus transdermal T gel (1.25 g, 2.5 g, 5...
March 30, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28364258/dementia-care-management-in-primary-care-current-collaborative-care-models-and-the-case-for-interprofessional-education
#9
Adina Dreier-Wolfgramm, Bernhard Michalowsky, Mary Guerriero Austrom, Marjolein A van der Marck, Steve Iliffe, Catherine Alder, Horst Christian Vollmar, Jochen René Thyrian, Diana Wucherer, Ina Zwingmann, Wolfgang Hoffmann
BACKGROUND: Dementia is one of the most prevalent diseases in the older population. Various dementia care models have been developed to address patient's healthcare needs. They can be described as "collaborative care" or "person-centered care". Referring to the needs of the workforce working with persons with dementia, a key element is the use of interprofessional education (IPE). OBJECTIVE: The purpose of this article is to describe different international collaborative care models to define a minimum standard of healthcare professions for collaborative dementia care in primary care...
March 31, 2017: Zeitschrift Für Gerontologie und Geriatrie
https://www.readbyqxmd.com/read/28328728/crew-resource-management-in-the-trauma-room-a-prospective-3-year-cohort-study
#10
Marck H T M Haerkens, Matthijs Kox, Pieter M Noe, Johannes G Van Der Hoeven, Peter Pickkers
OBJECTIVE: Human factors account for the majority of adverse events. Human factors awareness training entitled Crew Resource Management (CRM) is associated with improved safety and reduced complications and mortality in critically ill patients. We determined the effects of CRM implementation in the trauma room of an Emergency Department (ED). PATIENTS AND METHODS: A prospective 3-year cohort study was carried out in a level 1 ED, admitting more than 12 000 patients annually (>1500 trauma related)...
March 21, 2017: European Journal of Emergency Medicine: Official Journal of the European Society for Emergency Medicine
https://www.readbyqxmd.com/read/28321775/presence-and-extent-of-cardiac-computed-tomography-angiography-defined-coronary-artery-disease-in-patients-presenting-with-syncope
#11
S Altintas, T Dinh, N G H M Marcks, M Kok, A J J Aerts, B Weijs, Y Blaauw, J E Wildberger, M Das, B L J H Kietselaer, H J G M Crijns
BACKGROUND: In syncope patients, presence of coronary artery disease (CAD) is associated with poor prognosis. However, data concerning CAD prevalence in syncope patients without known cardiovascular disease are lacking. Therefore, the aim of this study was to investigate presence and extent of CAD in syncope patients. METHODS: We included 142 consecutive patients presenting with syncope at the outpatient cardiology clinic who underwent coronary computed tomography (CT) angiography...
March 20, 2017: Netherlands Heart Journal
https://www.readbyqxmd.com/read/28284861/biological-evaluation-of-pyridone-alkaloids-on-the-endocannabinoid-system
#12
Andrea Chicca, Regina Berg, Henning J Jessen, Nicolas Marck, Fabian Schmid, Patrick Burch, Jürg Gertsch, Karl Gademann
Naturally occurring pyridone alkaloids as well as synthetic derivatives were previously shown to induce neurite outgrowth. However, the molecular basis for this biological effect remains poorly understood. In this work, we have prepared new pyridones, and tested the effect of thirteen 4-hydroxy-2-pyridone derivatives on the components of the endocannabinoid system. Investigation of binding affinities towards CB1 and CB2 receptors led to the identification of a compound binding selectively to CB1 (12). Compound 12 and a closely related derivative (11) also inhibited anandamide (AEA) hydrolysis by fatty acid amide hydrolase...
February 17, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28261622/perforator-based-flaps-for-the-treatment-of-burn-scar-contractures-a-review
#13
REVIEW
C M Stekelenburg, R E Marck, P D H M Verhaegen, K W Marck, P P M van Zuijlen
Patients with burn scars often experience functional problems because of scar contractures. Surgical treatment may be indicated for those burn scar contractures. If the contractures are small and linear, the contraction bands can be treated with local transposition flaps like the Z-plasty. Broader, diffuse contractures are more challenging and require a different surgical approach, such as the use of local tissue. The use of perforator-based flaps is promising; however, their true clinical significance for this type of burn reconstructions still needs to be determined...
2017: Burns and trauma
https://www.readbyqxmd.com/read/28239882/palmar-fasciitis-and-polyarthritis-a-rare-paraneoplastic-syndrome-related-to-ovarian-cancer
#14
C van Marcke, E Seront, C Docquier, B Filleul
Palmar fasciitis and polyarthritis syndrome (PFPAS) is an uncommon disorder characterized by diffuse inflammation of the palmar fascia, tendon sheaths, and joints of the fingers and wrists, which rapidly progresses to flexion contracture of the hands. This paraneoplastic syndrome, originally linked to ovarian carcinoma, has also been associated with multiple different malignancies. As PFPAS usually precedes the detection of cancer, its symptoms should raise the suspicion of an underlying malignancy and should be thoroughly investigated...
February 27, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28220251/triple-aim-improvement-for-individuals-services-and-society-in-dementia-care-the-dementianet-collaborative-care-approach
#15
M S Nieuwboer, A Richters, M A van der Marck
BACKGROUND: A redesigning of primary care is required to meet dementia patients' needs. In the Netherlands, current dementia care still falls short in areas including ad hoc collaboration, lack of feedback on quality to professionals involved, and insufficient implementation of established multidisciplinary guidelines. OBJECTIVE: DementiaNet is a collaborative care approach, which aims to reduce the burden of the disease on individuals, healthcare services and society via network-based care that encourages collaboration, enhances knowledge and skills and stimulates quality improvement cycles...
May 2017: Zeitschrift Für Gerontologie und Geriatrie
https://www.readbyqxmd.com/read/28183734/skap2-is-required-for-%C3%AE-2-integrin-mediated-neutrophil-recruitment-and-functions
#16
Mark Boras, Stephanie Volmering, Arne Bokemeyer, Jan Rossaint, Helena Block, Bernadette Bardel, Veerle Van Marck, Barbara Heitplatz, Stefanie Kliche, Annegret Reinhold, Clifford Lowell, Alexander Zarbock
Integrin activation is required for neutrophil functions. Impaired integrin activation on neutrophils is the hallmark of leukocyte adhesion deficiency (LAD) syndrome in humans, characterized by impaired leukocyte recruitment and recurrent infections. The Src kinase-associated phosphoprotein 2 (Skap2) is involved in integrin functions in different leukocyte subtypes. However, the role of Skap2 in β2 integrin activation and neutrophil recruitment is unknown. In this study, we demonstrate the crucial role of Skap2 in regulating actin polymerization and binding of talin-1 and kindlin-3 to the β2 integrin cytoplasmic domain, thereby being indispensable for β2 integrin activation and neutrophil recruitment...
March 6, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28167260/erbb4-cleavage-by-gonadotropin-releasing-hormone-receptor-stimulation-in-cultured-gonadotroph-cells
#17
Yujiro Omoto, Sayomi Higa-Nakamine, Airi Higa, Hideyuki Yamamoto
The receptor for gonadotropin-releasing hormone (GnRH) belongs to the G-protein-coupled receptors, and its stimulation activates extracellular signal-regulated protein kinase (ERK). In the present study, we first examined the actions of GnRH on the ErbB family using two types of cultured gonadotroph cells. As reported previously, AG1478, an inhibitor of the ErbB family tyrosine kinase, inhibited GnRH-induced ERK activation in undifferentiated gonadotroph αT3-1 cells. However, AG1478 did not inhibit ERK activation in differentiated gonadotroph LβT2 cells, suggesting that transactivation of the ErbB family was not necessary for ERK activation in LβT2 cells...
March 15, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28166200/upregulation-of-marcks-in-kidney-cancer-and-its-potential-as-a-therapeutic-target
#18
C-H Chen, L W R Fong, E Yu, R Wu, J F Trott, R H Weiss
Targeted therapeutics, such as those abrogating hypoxia inducible factor (HIF)/vascular endothelial growth factor signaling, are initially effective against kidney cancer (or renal cell carcinoma, RCC); however, drug resistance frequently occurs via subsequent activation of alternative pathways. Through genome-scale integrated analysis of the HIF-α network, we identified the major protein kinase C substrate MARCKS (myristoylated alanine-rich C kinase substrate) as a potential target molecule for kidney cancer...
February 6, 2017: Oncogene
https://www.readbyqxmd.com/read/28151719/neoadjuvant-enzalutamide-prior-to-prostatectomy
#19
Bruce Montgomery, Maria S Tretiakova, Anthony M Joshua, Martin E Gleave, Neil Fleshner, Glenn J Bubley, Elahe A Mostaghel, Kim N Chi, Daniel W Lin, Martin Sanda, William Novotny, Kenneth Wu, Philip W Kantoff, Brett T Marck, Stephen Plymate, Steven P Balk, Peter S Nelson, Alvin M Matsumoto, Rosina T Lis, Adam Kibel, Gabriel P Haas, Andrew Krivoshik, Alison Hannah, Mary-Ellen Taplin
Purpose: Prostate cancer is dependent on androgen receptor (AR) activation. Optimal AR antagonism may effectively cytoreduce local disease and suppress or eliminate micrometastases. We evaluated neoadjuvant therapy prior to prostatectomy with the potent AR antagonist enzalutamide (enza) either alone or in combination with dutasteride (dut) and leuprolide (enza/dut/luteinizing hormone-releasing hormone analogues [LHRHa]).Experimental Design: Forty-eight of 52 men with intermediate or high-risk localized prostate cancer proceeded to prostatectomy after neoadjuvant enzalutamide or enza/dut/LHRHa for 6 months...
November 9, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28096297/frontline-science-tumor-necrosis-factor-%C3%AE-stimulation-and-priming-of-human-neutrophil-granule-exocytosis
#20
Kenneth R McLeish, Michael L Merchant, T Michael Creed, Shweta Tandon, Michelle T Barati, Silvia M Uriarte, Richard A Ward
Neutrophil granule exocytosis plays an important role in innate and adaptive immune responses. The present study examined TNF-α stimulation or priming of exocytosis of the 4 neutrophil granule subsets. TNF-α stimulated exocytosis of secretory vesicles and gelatinase granules and primed specific and azurophilic granule exocytosis to fMLF stimulation. Both stimulation and priming of exocytosis by TNF-α were dependent on p38 MAPK activity. Bioinformatic analysis of 1115 neutrophil proteins identified by mass spectrometry as being phosphorylated by TNF-α exposure found that actin cytoskeleton regulation was a major biologic function...
January 17, 2017: Journal of Leukocyte Biology
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