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https://www.readbyqxmd.com/read/28331757/inflammatory-myofibroblastic-tumor-of-the-breast-coexisting-with-pseudoangiomatous-stromal-hyperplasia
#1
Canan Kelten Talu, Yasemin Çakır, Ezgi Hacıhasanoğlu, Cem Leblebici, Şefika Aksoy, Mehmet Ali Nazlı
Inflammatory myofibroblastic tumors (IMTs) are uncommon breast lesions that consist of spindle cells accompanied by plasma cell-rich inflammatory infiltration, which may mimic breast cancer clinico-radiologically. A woman aged 38 years with a breast mass was referred to our general surgery clinic. The physical examination revealed a mass with irregular borders in the upper outer quadrant of the left breast. In mammography, the lesion was 15 mm in diameter with a spheric form and high density. Ultrasonographically, the mass was solid, heterogeneous, and hypoechoic with posterior enhancement...
October 2016: J Breast Health (2013)
https://www.readbyqxmd.com/read/28330973/neurokinin-b-regulates-reproduction-via-inhibition-of-kisspeptin-in-a-teleost-the-striped-bass
#2
Nilli Zmora, Ten Tsao Wong, John David Stubblefield, Berta Levavi-Sivan, Yonathan Zohar
Kisspeptin and neurokinin B (NKB) are neuropeptides co-expressed in the mammalian hypothalamus and coordinately control GnRH signaling. We have found that Nkb and kisspeptin neurons are distinct in the teleost, striped bass (stb), and capitalized on this phenomenon to study the mode of action of Nkb and its related neuropeptide-F (Nkf), both of which are encoded by the tac3 gene. In vitro brain slices and in vivo administration studies revealed that Nkb/f consistently down-regulated kiss2, while antagonist (AntD) administration restored this effect...
March 22, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28325355/myoepithelioma-of-soft-tissue-a-cytological-pathological-correlation-with-literature-review
#3
Oleksandr Kravtsov, Jason Chang, Donald Hackbarth, Tamara Giorgadze
Myoepitheliomas of soft tissue are rare tumors with variable morphologic, immunohistochemical and molecular profiles and therefore are diagnostically challenging for pathologists. We report a case in a 60-year-old male with a painless slowly growing 3cm mass on left medial forefoot. Core biopsy of the mass showed a neoplastic proliferation of plasmacytoid tumor cells, consistent with myoepithelioma of soft tissue. Immunohistochemical stains demonstrated positivity of the tumor cells for cytokeratin AE1/AE3, CK18, S-100 protein and myosin heavy chain (SMMS-1), supporting the diagnosis...
April 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28323876/pim1-minicircle-as-a-therapeutic-treatment-for-myocardial-infarction
#4
Nan Liu, Bingyan J Wang, Kathleen M Broughton, Roberto Alvarez, Sailay Siddiqi, Rebeca Loaiza, Nicky Nguyen, Pearl Quijada, Natalie Gude, Mark A Sussman
PIM1, a pro-survival gene encoding a serine/ threonine kinase, influences cell proliferation and survival. Modification of cardiac progenitor cells (CPCs) or cardiomyocytes with PIM1 using a lentivirus-based delivery method showed long-term improved cardiac function after myocardial infarction (MI). However, lentivirus based delivery methods have stringent FDA regulation with respect to clinical trials. To provide an alternative and low risk PIM1 delivery method, this study examined the use of a non-viral modified plasmid-minicircle (MC) as a vehicle to deliver PIM1 into mouse CPCs (mCPCs) in vitro and the myocardium in vivo...
2017: PloS One
https://www.readbyqxmd.com/read/28322084/fine-structure-and-synaptology-of-the-nitrergic-neurons-in-medial-septum-of-the-rat-brain
#5
Katalin Halasy, Balázs Szőke, Gergely Janzsó
The nitrergic neuron population and certain aspects of their connectivity (peptidergic inputs, co-localization with GABA, synaptic target distribution) were studied in the medial septum of the rat brain. The histochemical localization of NADPH diaphorase and immunohistochemical identification of nNOS at light and electron microscopic level was applied. Double-labeling experiments with galanin and leucine enkephalin, moreover the postembedding GABA immunogold staining was also carried out. NADPH diaphorase- and nNOS-immunopositive neurons could be identified inside the borders of medial septum...
March 2017: Acta Biologica Hungarica
https://www.readbyqxmd.com/read/28316376/the-role-of-intestinal-alkaline-phosphatase-in-inflammatory-disorders-of-gastrointestinal-tract
#6
REVIEW
Jan Bilski, Agnieszka Mazur-Bialy, Dagmara Wojcik, Janina Zahradnik-Bilska, Bartosz Brzozowski, Marcin Magierowski, Tomasz Mach, Katarzyna Magierowska, Tomasz Brzozowski
Over the past few years, the role of intestinal alkaline phosphatase (IAP) as a crucial mucosal defence factor essential for maintaining gut homeostasis has been established. IAP is an important apical brush border enzyme expressed throughout the gastrointestinal tract and secreted both into the intestinal lumen and into the bloodstream. IAP exerts its effects through dephosphorylation of proinflammatory molecules including lipopolysaccharide (LPS), flagellin, and adenosine triphosphate (ATP) released from cells during stressful events...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28316327/obstructive-primary-cardiac-t-cell-lymphoma-a-case-report-from-senegal
#7
Simon Antoine Sarr, Abdou Majib Gaye, Fatou Aw, Jean de Dieu Nzambaza, Malick Bodian, Kana Babaka, Mouhamadou Bamba Ndiaye, Adama Kane, Maboury Diao, Serigne Abdou Ba
BACKGROUND Cardiac lymphoma is a rare entity, defined by the non-extra cardiac location at diagnosis. CASE REPORT Our patient was a 32-year-old female with no particular medical history, who presented with right heart failure with recurrent ascites and pleural effusion. There was a progressive worsening exertional dyspnea. On admission, examination revealed an irregular tachycardia at 170 beats per minute (bpm) and congestive heart failure. The electrocardiogram scored full tachyarrhythmia by atrial fibrillation with an average ventricular rate of 179 cycles per minute...
March 20, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28315427/histologic-features-of-stromogenic-carcinoma-of-the-prostate-carcinomas-with-reactive-stroma-grade-3
#8
Andrea Diaz De Vivar, Mohammad Sayeeduddin, David Rowley, Antonio Cubilla, Brian Miles, Dov Kadmon, Gustavo Ayala
Prostatic carcinoma, like many other carcinomas, generates a stromal reaction. This phenomenon is well established in the scientific literature. The normal parenchymal smooth muscle phenotype switches to a myofibroblastic phenotype in response to the presence of cancer cells, with an expansion of the extracellular matrix compartment. The amount of reactive stroma is a predictor of biochemical recurrence in both radical prostatectomies and biopsies. It is a predictor of prostate cancer specific death in prostatectomies...
March 14, 2017: Human Pathology
https://www.readbyqxmd.com/read/28315423/intranodal-meningothelial-proliferation-in-a-patient-with-cowden-syndrome-a-case-report
#9
Andrea Olofson, Jonathan Marotti, Laura J Tafe, Konstantinos Linos
Ectopic meningothelial proliferations are rare and can occur in a multitude of extracranial/spinal anatomic locations. Perineurioma is another uncommon entity that shares similar histological characteristics to those found in meningothelial proliferations. These include bland spindle cells with thin, bipolar nuclei, eosinophilic cytoplasm, and indistinct cell borders, arranged in short fascicles with whorl formation. Given their uncommon occurrence and shared histological and immunohistochemical features, their distinction can present a diagnostic challenge...
March 14, 2017: Human Pathology
https://www.readbyqxmd.com/read/28315338/lymphatic-and-vascular-markers-in-an-optic-nerve-crush-model-in-rat
#10
A Trost, D Bruckner, A Kaser-Eichberger, K Motloch, B Bogner, C Runge, C Strohmaier, S Couillard-Despres, H A Reitsamer, F Schroedl
Only few tissues lack lymphatic supply, such as the CNS or the inner eye. However, if the scleral border is compromised due to trauma or tumor, lymphatics are detected in the eye. Since the situation in the optic nerve (ON), part of the CNS, is not clear, the aim of this study is to screen for the presence of lymphatic markers in the healthy and lesioned ON. Brown Norway rats received an unilateral optic nerve crush (ONC) with defined force, leaving the dura intact. Lesioned ONs and unlesioned contralateral controls were analyzed 7 days (n = 5) and 14 days (n = 5) after ONC, with the following markers: PDGFRb (pericyte), Iba1 (microglia), CD68 (macrophages), RECA (endothelial cell), GFAP (astrocyte) as well as LYVE-1 and podoplanin (PDPN; lymphatic markers)...
March 14, 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/28302370/the-lipid-5-phoshatase-ship2-controls-renal-brush-border-ultrastructure-and-function-by-regulating-the-activation-of-erm-proteins
#11
Sufyan G Sayyed, François Jouret, Marjorie Vermeersch, David Pérez-Morga, Stéphane Schurmans
The microvillus brush border on the renal proximal tubule epithelium allows the controlled reabsorption of solutes that are filtered through the glomerulus and thus participates in general body homeostasis. Here, using the lipid 5-phosphatase Ship2 global knockout mice, proximal tubule-specific Ship2 knockout mice, and a proximal tubule cell model in which SHIP2 is inactivated, we show that SHIP2 is a negative regulator of microvilli formation, thereby controlling solute reabsorption by the proximal tubule...
March 13, 2017: Kidney International
https://www.readbyqxmd.com/read/28302039/bone-degeneration-inflammation-and-secondary-complications-of-arthritis-potential-targets-and-their-natural-inhibitors
#12
Mahadevappa Hemshekhar, Ram M Thushara, Somanatahpura K NaveenKumar, Paul Manoj, Mahalingam S Sundaram, Kempaiah Kemparaju, Kesturu S Girish
Arthritis is marked with joint deterioration that affects articular cartilage and subchondral bone. Though cartilage degradation is a major damage during arthritis, the subsequent bone loss cannot be neglected. Progress in the arthritis research has identified clinical importance of bone erosion in destructive arthritis. Studies have showed the key role played by osteoclasts and receptor activator of nuclear factor kappaB ligand (RANKL) signaling in bone erosion. Cathepsins and tartrate resistant acid phosphatase (TRAP) are considered key enzymatic factors contributing to bone erosion...
March 15, 2017: Mini Reviews in Medicinal Chemistry
https://www.readbyqxmd.com/read/28300920/porokeratosis-of-mibelli-in-an-hiv-positive-patient
#13
Luiza de Queiroz Ottoni, Priscila Kakizaki, Rafael Ribeiro Pinheiro, José Alexandre de Souza Sittart, Neusa Yuriko Sakai Valente
Porokeratosis represents a group of disorders of epidermal keratinization that are characterized by one or more annular plaques surrounded by a histologically distinctive hyperkeratotic ridge-like border called the cornoid lamella. Many studies showed that organ transplantation and immunosuppression were associated in a significant number of cases. Furthermore, an association with squamous cell carcinoma and basal cell carcinoma has been noted in all variants of porokeratosis. The rarity of this disorder and its atypical clinical presentation - a single lesion on the thumb of an HIV-positive male patient - motivated this report...
September 2016: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28300073/actin-binding-protein-coronin-1a-controls-osteoclastic-bone-resorption-by-regulating-lysosomal-secretion-of-cathepsin-k
#14
Saori Ohmae, Naruto Noma, Masayasu Toyomoto, Masahiro Shinohara, Masatoshi Takeiri, Hiroaki Fuji, Kenji Takemoto, Keiko Iwaisako, Tomoko Fujita, Norihiko Takeda, Makoto Kawatani, Mineyoshi Aoyama, Masatoshi Hagiwara, Yasushi Ishihama, Masataka Asagiri
Osteoclasts degrade bone matrix proteins via the secretion of lysosomal enzymes. However, the precise mechanisms by which lysosomal components are transported and fused to the bone-apposed plasma membrane, termed ruffled border membrane, remain elusive. Here, we identified coronin 1A as a negative regulator of exocytotic release of cathepsin K, one of the most important bone-degrading enzymes in osteoclasts. The modulation of coronin 1A expression did not alter osteoclast differentiation and extracellular acidification, but strongly affected the secretion of cathepsin K and osteoclast bone-resorption activity, suggesting the coronin 1A-mediated regulation of lysosomal trafficking and protease exocytosis...
March 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28299341/hepatic-cholesterol-25-hydroxylase-overexpression-improves-systemic-insulin-sensitivity-in-mice
#15
Britta Noebauer, Alexander Jais, Jelena Todoric, Klaus Gossens, Hedwig Sutterlüty-Fall, Elisa Einwallner
Obesity is a major risk factor for several diseases including diabetes, heart disease, and some forms of cancer and due to its rapidly increasing prevalence it has become one of the biggest problems medicine is facing today. All the more surprising, a substantial percentage of obese patients are metabolically healthy when classified based on insulin resistance and systemic inflammation. Oxysterols are naturally occurring molecules that play important role in various metabolic and inflammatory processes and their levels are elevated in patients suffering from obesity and diabetes...
2017: Journal of Diabetes Research
https://www.readbyqxmd.com/read/28297754/-clinicopathologic-characteristics-of-head-and-neck-carcinoma-showing-thymus-like-element
#16
X J Cui, C Y Zhang, P Su, B Lyu, Y B Ren, X S Fan, X F Zhang, Y Wang, Y H Song, Z Y Liu
Objective: To investigate clinicopathological features of carcinoma showing thymus-like elements (CASTLE) in the head and neck regions. Methods: Clinicopathological data of 7 patients with CASTLE in the head and neck regions were retrospectively reviewed.Immunohistochemical staining and in situ hybridization for EBER were performed. BRAF(V600E) mutation was examined by ARMS method in 6 cases. Results: There were 5 females and 2 males with age between 49 and 78 years (average of 65.6 years). All tumors were solitary nodular lesions with an infiltrative border, including 6 intrathyroid tumors and 1 extrathyroid tumor in the laryngeal pharynx...
March 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28297585/electromechanical-conditioning-of-adult-progenitor-cells-improves-recovery-of-cardiac-function-after-myocardial-infarction
#17
Aida Llucià-Valldeperas, Carolina Soler-Botija, Carolina Gálvez-Montón, Santiago Roura, Cristina Prat-Vidal, Isaac Perea-Gil, Benjamin Sanchez, Ramon Bragos, Gordana Vunjak-Novakovic, Antoni Bayes-Genis
Cardiac cells are subjected to mechanical and electrical forces, which regulate gene expression and cellular function. Therefore, in vitro electromechanical stimuli could benefit further integration of therapeutic cells into the myocardium. Our goals were (a) to study the viability of a tissue-engineered construct with cardiac adipose tissue-derived progenitor cells (cardiac ATDPCs) and (b) to examine the effect of electromechanically stimulated cardiac ATDPCs within a myocardial infarction (MI) model in mice for the first time...
March 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28296678/endocervical-adenocarcinoma-with-morphologic-features-of-both-usual-and-gastric-types-clinicopathologic-and-immunohistochemical-analyses-and-high-risk-hpv-detection-by-in-situ-hybridization
#18
Tomoko Wada, Yoshihiro Ohishi, Tsunehisa Kaku, Murasaki Aman, Hiroko Imamura, Nobuko Yasutake, Kenzo Sonoda, Kiyoko Kato, Yoshinao Oda
The fourth edition of the World Health Organization classification set up new entities of endocervical adenocarcinoma (ECA), namely the "usual type" and "gastric type." These 2 types are considered to be distinct histogenetically because of their differing immunophenotypes, human papillomavirus (HPV) status, and prognoses. Usual-type ECAs (U-ECAs) are virtually always associated with high-risk human papillomavirus (HR-HPV) infection. Gastric-type ECAs (G-ECAs) are believed not to be associated with HR-HPV infection...
March 14, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28296132/polyvalent-2d-entry-inhibitors-for-pseudorabies-and-african-swine-fever-virus
#19
Benjamin Ziem, Jessica Rahn, Ievgen Donskyi, Kim Silberreis, Luis Cuellar, Jens Dernedde, Günther Keil, Thomas C Mettenleiter, Rainer Haag
African swine fever virus (ASFV) is one of the most dangerous viruses for pigs and is endemic in Africa but recently also spread into the Russian Federation and the Eastern border of the EU. So far there is no vaccine or antiviral drug available to curtail the infection. Thus, control strategies based on novel inhibitors are urgently needed. Another highly relevant virus infection in pigs is Aujeszky's disease caused by the alphaherpesvirus pseudorabies virus (PrV). This article reports the synthesis and biological evaluation of novel extracellular matrix-inspired entry inhibitors based on polyglycerol sulfate-functionalized graphene sheets...
March 15, 2017: Macromolecular Bioscience
https://www.readbyqxmd.com/read/28295592/knockdown-of-long-non-coding-rna-zfas1-protects-cardiomyocytes-against-acute-myocardial-infarction-via-anti-apoptosis-by-regulating-mir-150-crp
#20
Tao Wu, Dan Wu, Qinghua Wu, Bing Zou, Xiao Huang, Xiaoshu Cheng, Yanqing Wu, Kui Hong, Ping Li, Renqiang Yang, Yunde Li, Yingzhang Cheng
BACKGROUND: ZFAS1 is one of cardiac-specific or cardiac-related lncRNAs. This study was to explore the functional involvement of ZFAS1 and its regulatory role in AMI. METHODS: In this study, the models of AMI rat and myocardial cell cultured under hypoxia were made. The expression of ZFAS1 and miR-150 of myocardial infarction tissue or cardiac myocytes was determined by quantitative real time PCR. The regulatory role of ZFAS1 on miR-150 was examined by RNA pull down assay...
March 10, 2017: Journal of Cellular Biochemistry
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