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https://www.readbyqxmd.com/read/28109179/quantitative-and-integrative-analysis-of-paracrine-hepatocyte-activation-by-non-parenchymal-cells-upon-lipopolysaccharide-induction
#1
Katharina Beuke, Frank A Schildberg, Federico Pinna, Ute Albrecht, Roman Liebe, Michaela Bissinger, Peter Schirmacher, Steven Dooley, Johannes G Bode, Percy A Knolle, Ursula Kummer, Kai Breuhahn, Sven Sahle
Gut-derived bacterial lipopolysaccharides (LPS) stimulate the secretion of tumor necrosis factor (TNF) from liver macrophages (MCs), liver sinusoidal endothelial cells (LSECs), and hepatic stellate cells (HSCs), which control the acute phase response in hepatocytes through activation of the NF-κB pathway. The individual and cooperative impact of non-parenchymal cells on this clinically relevant response has not been analysed in detail due to technical limitations. To gain an integrative view on this complex inter- and intracellular communication, we combined a multi-scale mathematical model with quantitative, time-resolved experimental data of different primary murine liver cell types...
January 21, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28109081/shope-fibroma-in-the-external-ear-canal-of-a-domestic-rabbit
#2
Shawna J
A 5-y-old, intact, 2.5-kg female domestic rabbit was presented because of blood spatter on the wall of its cage and thetoenailsof its right hind limb. Physical examination revealed a red, gelatinous mass that spanned the width of the right vertical ear canal. Radiographic images revealed a soft-tissue opacity at the base of the right ear, which was superimposed over the tympanic bulla and extended to the pinna. A CT scan revealed that the soft-tissue mass was within the vertical and horizontal portions of the right external ear canal and extended to the level of the tympanic membrane, with no bony involvement...
January 20, 2017: Comparative Medicine
https://www.readbyqxmd.com/read/28108299/mouse-model-of-hydroquinone-hypersensitivity-via-innate-and-acquired-immunity-and-its-promotion-by-combined-reagents
#3
Kanan Bando, Yukinori Tanaka, Toshinobu Kuroishi, Keiichi Sasaki, Teruko Takano-Yamamoto, Shunji Sugawara, Yasuo Endo
We established a mouse model of contact hypersensitivity (CHS) to hydroquinone (HQ), a widespread chemical in our environment. HQ was painted onto flanks. Then, HQ was challenged by painting onto ear-pinnas on days 7 and 14. The CHS after the 2(nd) challenge was markedly greater than that after the 1(st) challenge. Both challenges increased thymic stromal lymphopoietin (TSLP) and Th2 cytokines in ear-pinnas, while IFN-γ (typical Th1 cytokine) was decreased, despite an increase in IL-18 (typical IFN-γ inducer)...
January 17, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28099268/vascular-nature-and-existence-of-anastomoses-of-extrinsic-postauricular-fascia-application-for-staged-auricular-reconstruction
#4
Suphalerk Lohasammakul, Chairat Turbpaiboon, Supin Chompoopong, Rosarin Ratanalekha, Chongdee Aojanepong
A staged auricular reconstruction in microtia patients was developed by using superficial mastoid fascia (as part of extrinsic postauricular fascia) to cover the cartilagenous framework due to its highly vascularized nature. Three branches of external carotid artery (superficial temporal artery, posterior auricular artery and occipital artery) were found to supply this fascia, this study was therefore aimed to investigate the dimension of blood supply from each vessel and also to demonstrate the existence of anastomoses among these arteries...
January 18, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28088085/new-pyridazinone-4-carboxamides-as-new-cannabinoid-receptor-type-2-inverse-agonists-synthesis-pharmacological-data-and-molecular-docking
#5
Giulio Ragusa, María Gómez-Cañas, Paula Morales, Carmen Rodríguez-Cueto, María R Pazos, Battistina Asproni, Elena Cichero, Paola Fossa, Gerard A Pinna, Nadine Jagerovic, Javier Fernández-Ruiz, Gabriele Murineddu
In the last few years, cannabinoid type-2 receptor (CB2R) selective ligands have shown a great potential as novel therapeutic drugs in several diseases. With the aim of discovering new selective cannabinoid ligands, a series of pyridazinone-4-carboxamides was designed and synthesized, and the new derivatives tested for their affinity toward the hCB1R and hCB2R. The 6-(4-chloro-3-methylphenyl)-2-(4-fluorobenzyl)-N-(cis-4-methylcyclohexyl)-3-oxo-2,3-dihydropyridazine-4-carboxamide (9) displayed high CB2-affinity (KiCB2 = 2...
January 4, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28079298/from-phosphoproteins-to-phosphoproteomes-a-historical-account
#6
REVIEW
Andrea Venerando, Luca Cesaro, Lorenzo A Pinna
The first phosphoprotein (casein) was discovered in 1883, yet the enzyme responsible for its phosphorylation was identified only 130 years later, in 2012. During the very long time elapsed between these two events, with special reference to the last decades of the 1900s, it became evident that, far from being an oddity, phosphorylation affects the majority of eukaryotic proteins during their lifespan, and that this reaction is catalysed by the members of a large family of protein kinases, susceptible to a variety of stimuli controlling nearly every aspects of life and death...
January 12, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28078078/radiotherapy-in-the-management-of-gist-state-of-the-art-and-new-potential-scenarios
#7
L Gatto, M Nannini, M Saponara, V Di Scioscio, G Beltramo, G P Frezza, G Ercolani, A D Pinna, A Astolfi, M Urbini, G Brandi, G Biasco, M A Pantaleo
BACKGROUND: Gastrointestinal stromal tumor (GIST) is the most common mesenchymal neoplasm of the gastrointestinal tract. The main treatment for localized gastrointestinal stromal tumors is surgical resection. Unresectable or advanced GIST are poorly responsive to conventional cytotoxic chemotherapy but the introduction of tyrosine kinase inhibitors (TKIs) marked a revolutionary step in the treatment of these patients, radically improving prognosis and clinical benefit. Historically GIST has been considered radiation-resistant, and the role of radiotherapy in the management of patients with GIST is currently restricted to symptomatic palliation in current treatment guidelines...
2017: Clinical Sarcoma Research
https://www.readbyqxmd.com/read/28070301/blood-serum-retinol-levels-in-asinara-white-donkeys-reflect-albinism-induced-metabolic-adaptation-to-photoperiod-at-mediterranean-latitudes
#8
Maria Grazia Cappai, Maria Grazia Antonietta Lunesu, Francesca Accioni, Massimo Liscia, Mauro Pusceddu, Lucia Burrai, Maria Nieddu, Corrado Dimauro, Gianpiero Boatto, Walter Pinna
Previous works on albinism form of Asinara white donkeys (Equus asinus) identified the mutation leading to the peculiar phenotype spread to all specimens of the breed. Inbreeding naturally occurred under geographic isolation, on Asinara Island, in the Mediterranean Sea. Albino individuals can be more susceptible to develop health problems when exposed to natural sun radiation. Alternative metabolic pathways involved in photoprotection were explored in this trial. Nutrition-related metabolites are believed to contribute to the conservation of Asinara donkeys, in which melanin, guaranteeing photoprotection, is lacking...
January 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28062406/anatomically-preserved-strobili-and-leaves-from-the-permian-of-china-dorsalistachyaceae-fam-nov-broaden-knowledge-of-noeggerathiales-and-constrain-their-possible-taxonomic-affinities
#9
Shi-Jun Wang, Richard M Bateman, Alan R T Spencer, Jun Wang, Longyi Shao, Jason Hilton
PREMISE OF THE STUDY: Noeggerathiales are an extinct group of heterosporous shrubs and trees that were widespread and diverse during the Pennsylvanian-Permian Epochs (323-252 Ma) but are of controversial taxonomic affinity. Groups proposed as close relatives include leptosporangiate ferns, sphenopsids, progymnosperms, or the extant eusporangiate fern Tmesipteris. Previously identified noeggerathialeans lacked anatomical preservation, limiting taxonomic comparisons to their external morphology and spore structure...
January 6, 2017: American Journal of Botany
https://www.readbyqxmd.com/read/28059967/actual-risk-of-using-very-aged-donors-for-unselected-liver-transplant-candidates-a-european-single-center-experience-in-the-meld-era
#10
Valentina Rosa Bertuzzo, Matteo Cescon, Federica Odaldi, Marco Di Laudo, Alessandro Cucchetti, Matteo Ravaioli, Massimo Del Gaudio, Giorgio Ercolani, Antonietta D'Errico, Antonio Daniele Pinna
OBJECTIVE: To evaluate the whole experience of liver transplantation (LT) with donors ≥70 years in a single center not applying specific donor/recipient matching criteria. BACKGROUND: LT with very old donors has historically been associated with poorer outcomes. With the increasing average donor age and the advent of Model for End-stage Liver Diseases (MELD) score-based allocation criteria, an optimal donor/recipient matching is often unsuitable. METHODS: Outcomes of all types of LTs were compared according to 4 study groups: patients transplanted between 1998 and 2003 with donors <70 (group 1, n = 396) or ≥70 years (group 2, n = 88); patients transplanted between 2004 and 2010 with donors <70 (group 3, n = 409), or ≥70 years (group 4, n = 190)...
February 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28054732/liver-transplantation-is-associated-with-good-clinical-outcome-in-patients-with-active-tuberculosis-and-acute-liver-failure-due-to-anti-tubercular-treatment
#11
REVIEW
Michele Bartoletti, Giulia Martelli, Sara Tedeschi, Mariacristina Morelli, Valentine Bertuzzo, Marina Tadolini, Paolo Pianta, Francesco Cristini, Maddalena Giannella, Russell E Lewis, Antonio D Pinna, Pierluigi Viale
BACKGROUND: Active tuberculosis (TB) is commonly considered a contraindication for liver transplantation (LT). However, in patients with TB who develop acute liver failure (ALF) due to toxicity induced by anti-tubercular treatment (ATT), LT could be the only opportunity. The aim of this study was to evaluate the feasibility of LT in this scenario. METHODS: We described 2 cases and comprehensively reviewed the literature finding 26 cases of LT performed in patients having a concomitant active TB and liver failure secondary to ATT toxicity...
January 5, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28044386/skin-disease-in-captive-bats-results-of-an-online-survey-of-zoos-and-rehabilitators-in-europe-north-america-and-australasia
#12
Kay I Fountain, Kim B Stevens, David H Lloyd, Anette Loeffler
BACKGROUND: Bats may be held captive in zoos and breeding programmes, and for rehabilitation due to illness, abandonment or injury. OBJECTIVES: To describe the frequency and characteristics of skin disease in captive bats. METHODS: Zoos (n = 164) in Europe, North America, Australia and New Zealand, Wildlife Disease Association members and rehabilitators were invited to complete online questionnaires on skin lesions and housing. Associations between lesion type and site, frequency, species, age, suspected cause and season, and their association with housing in zoos were tested using chi-squared and two-sample z-tests...
January 2, 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28031292/protein-kinase-ck2-modulates-hsj1-function-through-phosphorylation-of-the-uim2-domain
#13
Daniele Ottaviani, Oriano Marin, Giorgio Arrigoni, Cinzia Franchin, Jordi Vilardell, Michele Sandre, Wenwen Li, David A Parfitt, Lorenzo A Pinna, Michael E Cheetham, Maria Ruzzene
HSJ1 (DNAJB2), a member of the DNAJ family of molecular chaperones, is a key player in neuronal proteostasis maintenance. It binds ubiquitylated proteins through its Ubiquitin Interacting Motifs (UIMs) and facilitates their delivery to the proteasome for degradation. Mutations in the DNAJB2 gene lead to inherited neuropathies such as Charcot-Marie-Tooth type-2, distal hereditary motor neuropathies, spinal muscular atrophy with parkinsonism and the later stages can resemble amyotrophic lateral sclerosis. HSJ1 overexpression can reduce aggregation of neurodegeneration-associated proteins in vitro and in vivo; however, the regulation of HSJ1 function is little understood...
December 28, 2016: Human Molecular Genetics
https://www.readbyqxmd.com/read/28009414/bromfenac-eyedrops-in-the-treatment-of-diabetic-macular-edema-a-pilot-study
#14
Antonio Pinna, Francesco Blasetti, Giuseppe D'Amico Ricci, Francesco Boscia
PURPOSE: To evaluate the efficacy and safety of topical bromfenac in patients with newly diagnosed diabetic macular edema (DME). METHODS: In this pilot study including 17 patients with monocular, newly diagnosed DME, diagnosis of DME was established by the detection of retinal thickening at or within 500 μm of the center of the macula on ophthalmoscopic examination, according to the Early Treatment Diabetic Retinopathy Study classification. Central macular thickness (CMT) was determined by optical coherence tomography...
November 16, 2016: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/27995087/surgery-and-hepatocellular-carcinoma
#15
REVIEW
Nobuhisa Akamatsu, Umberto Cillo, Alessandro Cucchetti, Matteo Donadon, Antonio Daniele Pinna, Guido Torzilli, Norihiro Kokudo
The optimal surgical strategy for hepatocellular carcinoma (HCC) is under active debate. Bio-markers of the liver functional reserve as well as volumetric analysis of the future liver remnant are essential for safe liver resection of HCC. The present algorithms applied to surgical strategies for HCC are not ideal because many patients who could potentially undergo safe resection are deemed liver transplant candidates in Western countries, whereas the opposite is the case in Eastern countries. In addition, there is too much focus on expanded criteria for patients with HCC to undergo liver transplantation...
November 2016: Liver Cancer
https://www.readbyqxmd.com/read/27992810/age-at-menarche-predicts-age-at-onset-of-major-affective-and-anxiety-disorders
#16
L Tondo, M Pinna, G Serra, L De Chiara, R J Baldessarini
BACKGROUND: Menarche age has been associated inconsistently with the occurrence, timing or severity of major depressive disorder (MDD), but rarely studied in women with bipolar (BDs) or anxiety disorders. METHODS: We investigated women patients at a Sardinian mood disorder center for associations of age at menarche with age at illness onset for major affective or anxiety disorders, year of birth, and other selected factors, using bivariate comparisons and multivariate regression modeling...
December 16, 2016: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/27979984/haemodynamic-response-to-muscle-reflex-is-abnormal-in-patients-with-heart-failure-with-preserved-ejection-fraction
#17
Silvana Roberto, Gabriele Mulliri, Raffaele Milia, Roberto Solinas, Virginia Pinna, Gianmarco Sainas, Massimo F Piepoli, Antonio Crisafulli
The aim of the present investigation was to assess the role of cardiac diastole on the hemodynamic response to metaboreflex activation. We wanted to determine whether patients with diastolic function impairment showed a different hemodynamic response as compared to normal subjects during this reflex. Hemodynamics during the metaboreflex activation obtained by post-exercise muscle ischemia (PEMI) was assessed in 10 patients with diagnosed heart failure with preserved ejection fraction (HFpEF) and in 12 age-matched healthy controls (CTL)...
December 15, 2016: Journal of Applied Physiology
https://www.readbyqxmd.com/read/27966830/homocysteine-and-risk-of-age-related-macular-degeneration-a-systematic-review-and-meta-analysis
#18
REVIEW
Antonio Pinna, Francesco Zaccheddu, Francesco Boscia, Ciriaco Carru, Giuliana Solinas
There is still no agreement on total plasma homocysteine (tHcy) role in age-related macular degeneration (AMD), the leading cause of new blindness in industrialized countries. We performed a systematic review and meta-analysis of the published data on the correlation between tHcy and AMD. MEDLINE/PubMed and ISI Web of Sciences searches were performed according to MOOSE guidelines. Case-control studies were eligible for inclusion. Participants and controls were AMD patients and subjects without AMD. The main outcome measure was wet AMD...
December 14, 2016: Acta Ophthalmologica
https://www.readbyqxmd.com/read/27955621/a-quantitative-model-for-dermal-infection-and-oedema-in-balb-c-mice-pinna
#19
Erika Nahomy Marino-Marmolejo, Flor Yohana Flores-Hernández, Mario Alberto Flores-Valdez, Luis Felipe García-Morales, Ana Cecilia González-Villegas, Jorge Bravo-Madrigal
BACKGROUND: Pharmaceutical industry demands innovation for developing new molecules to improve effectiveness and safety of therapeutic medicines. Preclinical assays are the first tests performed to evaluate new therapeutic molecules using animal models. Currently, there are several models for evaluation of treatments, for dermal oedema or infection. However, the most common or usual way is to induce the inflammation with chemical substances instead of infectious agents. On the other hand, this kind of models require the implementation of histological techniques and the interpretation of pathologies to verify the effectiveness of the therapy under assessment...
December 12, 2016: BMC Microbiology
https://www.readbyqxmd.com/read/27941240/surgical-treatment-of-chronic-multivascular-mesenteric-ischemia-in-a-patient-with-antiphospholipid-syndrome-abdominal-aortic-aneurism-and-renal-cancer-when-planning-overwhelms-complexity
#20
Panagiotis Paliogiannis, Giorgio Carlo Ginesu, Claudio Francesco Feo, Maria Laura Cossu, Antonio Pinna, Giulia Farina, Gianpaolo Vidili, Alberto Porcu
: Chronic mesenteric ischemia is a clinical condition caused by obstructive or occlusive disease of the mesenteric vessels, with potentially lethal consequences. We describe a case of open multiple revascularization in a patient affected by antiphospholipid syndrome and diffuse atherosclerosis, with an abdominal aortic aneurism, a contracted kidney, a renal cancer affecting the contralateral kidney, and as a consequence, a chronic renal failure and hypertension. We revascularized the celiac trunk, the superior and inferior mesenteric arteries, and the right renal artery using saphenous grafts; the aneurism was corrected, and the renal tumor was treated by radiofrequency ablation...
December 20, 2016: Annali Italiani di Chirurgia
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