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In situ hybridization

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https://www.readbyqxmd.com/read/29350728/dual-chain-extension-effect-and-antibacterial-properties-of-biomolecules-interleaved-within-ldh-dispersed-into-pbs-by-in-situ-polymerization
#1
Grazia Totaro, Laura Sisti, Annamaria Celli, Irene Aloisio, Diana Di Gioia, Adam A Marek, Vincent Verney, Fabrice Leroux
Nanocomposites based on poly(butylene succinate) (PBS) and hydrotalcite-type anionic clays (HTs) organo-modified with biomolecules characterized by antibacterial and/or antioxidant activities, such as l-ascorbic acid (ASA), phloretic acid (HPP), l-tyrosine (TYR) and l-tryptophan (TRP), have been prepared by in situ polymerization. From XRD analysis and rheology experiments in a molten polymer state, intercalated HT hybrid platelets acting here as a hybrid filler are found to be well dispersed into polymers while providing a chain extension effect on PBS...
January 19, 2018: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/29350173/membranoproliferative-glomerulonephritis-and-interstitial-nephritis-in-the-setting-of-epstein-barr-virus-related-hemophagocytic-syndrome%C3%A2
#2
Iolanda Godinho, Estela Nogueira, Sofia Jorge, António Teixeira Alves, António Gomes da Costa
BACKGROUND: Hemophagocytic syndrome (HPS) is a rare, aggressive disorder characterized by dysregulation of lymphocyte and macrophage activity, which culminates in tissue infiltration with hemophagocytosis and ultimately organ failure. Renal involvement frequently ensues and usually results in acute tubular necrosis with associated interstitial inflammation. Less frequently, glomerulopathy can also be found. CASE: We report a case of a 24-year-old Caucasian woman with previous asymptomatic hematuria, mild proteinuria, and normal renal function who presented to us with fever...
January 19, 2018: Clinical Nephrology
https://www.readbyqxmd.com/read/29349598/phase-ib-study-evaluating-safety-and-clinical-activity-of-the-anti-her3-antibody-lumretuzumab-combined-with-the-anti-her2-antibody-pertuzumab-and-paclitaxel-in-her3-positive-her2-low-metastatic-breast-cancer
#3
Andreas Schneeweiss, Tjoung-Won Park-Simon, Joan Albanell, Ulrik Lassen, Javier Cortés, Veronique Dieras, Marcus May, Christoph Schindler, Frederik Marmé, Juan Miguel Cejalvo, Maria Martinez-Garcia, Iria Gonzalez, Jose Lopez-Martin, Anja Welt, Christelle Levy, Florence Joly, Francesca Michielin, Wolfgang Jacob, Céline Adessi, Annie Moisan, Georgina Meneses-Lorente, Tomas Racek, Ian James, Maurizio Ceppi, Max Hasmann, Martin Weisser, Andrés Cervantes
Purpose To investigate the safety and clinical activity of comprehensive human epidermal growth factor receptor (HER) family receptor inhibition using lumretuzumab (anti-HER3) and pertuzumab (anti-HER2) in combination with paclitaxel in patients with metastatic breast cancer (MBC). Methods This phase Ib study enrolled 35 MBC patients (first line or higher) with HER3-positive and HER2-low (immunohistochemistry 1+ to 2+ and in-situ hybridization negative) tumors. Patients received lumretuzumab (1000 mg in Cohort 1; 500 mg in Cohorts 2 and 3) plus pertuzumab (840 mg loading dose [LD] followed by 420 mg in Cohorts 1 and 2; 420 mg without LD in Cohort 3) every 3 weeks, plus paclitaxel (80 mg/m2 weekly in all cohorts)...
January 19, 2018: Investigational New Drugs
https://www.readbyqxmd.com/read/29346650/persistence-of-zika-virus-after-birth-clinical-virological-neuroimaging-and-neuropathological-documentation-in-a-5-month-infant-with-congenital-zika-syndrome
#4
Leila Chimelli, Sheila Moura Pone, Elyzabeth Avvad-Portari, Zilton Farias Meira Vasconcelos, Andrea Araújo Zin, Daniela Prado Cunha, Nathalia Raposo Thompson, Maria Elisabeth Lopes Moreira, Clayton A Wiley, Marcos Vinicius da Silva Pone
During the Zika epidemic in Brazil, a baby was born at term with microcephaly and arthrogryposis. The mother had Zika symptoms at 10 weeks of gestation. At 17 weeks, ultrasound showed cerebral malformation and ventriculomegaly. At 24 weeks, the amniotic fluid contained ZIKV RNA and at birth, placenta and maternal blood were also positive using RT-qPCR. At birth the baby urine contained ZIKV RNA, whereas CSF at birth and urine at 17 days did not. Seizures started at 6 days. EEG was abnormal and CT scan showed cerebral atrophy, calcifications, lissencephaly, ventriculomegaly, and cerebellar hypoplasia...
January 13, 2018: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/29346450/cloning-and-spatiotemporal-expression-of-xenopus-laevis-apolipoprotein-ci
#5
Jyotsna Sridharan, Tomomi Haremaki, Daniel C Weinstein
Apolipoprotein CI (ApoCI) belongs to the Apolipoprotein superfamily, members of which are involved in lipid transport, uptake and homeostasis. Excessive ApoCI has been implicated in atherosclerosis and Alzheimer's disease in humans. In this study we report the isolation of Xenopus laevis apoCI and describe the expression pattern of this gene during early development, using reverse transcription polymerase chain reaction and whole mount in situ hybridization. Xenopus apoCI is enriched in the dorsal ectoderm during gastrulation, and is subsequently expressed in sensory placodes, neural tube and cranial neural crest...
2018: PloS One
https://www.readbyqxmd.com/read/29345458/synthesis-of-magnetite-semiconductor-metal-trimer-nanoparticles-through-functional-modular-assembly-a-magnetically-separable-photocatalyst-with-photothermic-enhancement-for-water-reduction
#6
Fei Pang, Ruifang Zhang, Dengpeng Lan, Jianping Ge
Hybrid nanoparticles have intrinsic advantages to achieve better activity in photocatalysis compared to single component materials, as it can synergistically combine functional components which promote light absorption, charge transportation, surface reaction and catalyst regeneration. Through functional modular assembly, a rational and stepwise approach has been developed to construct Fe3O4-CdS-Au trimer nanoparticles and its derivatives as magnetically separable catalysts for photothermo-catalytic hydrogen evolution from water...
January 18, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29344579/prognostic-significance-of-cytogenetic-heterogeneity-in-patients-with-newly-diagnosed-multiple-myeloma
#7
Maximilian Merz, Anna Jauch, Thomas Hielscher, Tilmann Bochtler, Stefan Olaf Schönland, Anja Seckinger, Dirk Hose, Uta Bertsch, Kai Neben, Marc Steffen Raab, Jens Hillengass, Hans Salwender, Igor Wolfgang Blau, Hans-Walter Lindemann, Ingo G H Schmidt-Wolf, Christof Scheid, Mathias Haenel, Katja C Weisel, Hartmut Goldschmidt
We investigated subclonal cytogenetic aberrations (CA) detected by interphase fluorescence in situ hybridization (iFISH) in patients with newly diagnosed multiple myeloma (MM) enrolled in the Haemato Oncology Foundation for Adults in the Netherlands (HOVON)-65/German-Speaking MM Group (GMMG)-HD4 phase 3 trial. Patients were either treated with 3 cycles of vincristine, Adriamycin, and dexamethasone or bortezomib, Adriamycin, and dexamethasone and then thalidomide or bortezomib maintenance after tandem autologous transplantation...
January 9, 2018: Blood Advances
https://www.readbyqxmd.com/read/29344502/orbital-epstein-barr-virus-positive-polymorphic-b-cell-lymphoproliferative-disorder-in-an-apparently-immunocompetent-woman
#8
Michael D Abendroth, Michael G Bayerl, Michael J Wilkinson, David F Claxton, Charles S Specht
We report a rare case of Epstein-Barr virus (EBV)-positive polymorphic B-cell lymphoproliferative disorder (LPD) involving the lacrimal gland of a 28-year-old, apparently immunocompetent woman. She presented with a chief complaint of orbital swelling and tenderness and was found to have a lesion involving the right lacrimal gland and distal superior and lateral rectus muscles. Histology of the lesion revealed histiocytes with pleomorphic nuclei, reactive lymphocytes, and scattered cells that resembled the Reed-Sternberg (R-S) cells of classical Hodgkin lymphoma...
December 2017: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/29344493/comparison-of-gene-expression-profiling-and-chromosome-3-analysis-by-fluorescent-in-situ-hybridization-and-multiplex-ligation-probe-amplification-in-fine-needle-aspiration-biopsy-specimens-of-uveal-melanoma
#9
Michael A Klufas, Elizabeth Richter, Sujit Itty, Christian Moreno, Colin A McCannel, Tara A McCannel
Purpose: The aim of this paper was to assess the concordance between results of DecisionDx-UM specific gene expression profiling (GEP) and fluorescence in situ hybridization (FISH) for chromosome 3 analysis, and between DecisionDx-UM GEP and multiplex ligation probe amplification (MLPA) in uveal melanoma undergoing intraoperative fine-needle aspiration biopsy (FNAB) for metastatic prognostication during brachytherapy. Methods: We retrospectively reviewed consecutive patients diagnosed with posterior uveal melanoma who underwent intraoperative FNAB prior to placement of an iodine-125 radioactive plaque between 2012 and 2014...
December 2017: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/29344131/a-novel-variant-translocation-1-9-p22-q34-resulting-in-a-dek-nup214-fusion-gene-in-a-patient-with-acute-myeloid-leukemia-a-case-report
#10
Qishan Hao, Qi Zhang, Chengwen Li, Shuning Wei, Qinghua Li, Yang Song, Yingchang Mi
The present case report describes a 46-year-old female patient diagnosed with M4 acute myeloid leukemia (AML), accompanied with a t(1;9)(p22;q34) chromosomal abnormality. Transcriptome sequencing identified a DEK proto-oncogene (DEK)/nucleoporin (NUP)214 fusion gene, which results from the t(6;9)(p23;q34) chromosomal translocation. Polymerase chain reaction analysis and fluorescence in situ hybridization were used to verify the existence of the DEK/NUP214 fusion gene. Few patients with AML with the t(6;9)(p23;q34) chromosomal translocation have been reported to have other chromosomal or karyotype changes...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29343880/novel-application-of-loop-mediated-isothermal-amplification-for-rapid-detection-of-gene-translocation
#11
Ibu Matsuzaki, Hideto Iguchi, Yurina Mikasa, Hiromu Morishita, Katsuya Okuda, Keita Nakaguchi, Yuki Mori, Yoshifumi Iwahashi, Kenji Warigaya, Masakazu Fujimoto, Fumiyoshi Kojima, Shin-Ichi Murata
Identification of fusion genes in cancer is essential for pathological diagnosis and clinical therapy. Although methods for detection of fusion genes, such as fluorescence in situ hybridization (FISH) and real-time polymerase chain reaction (PCR), have been developed in last two decades, these methods are not ideal for detection of these genetic alterations owing to their high cost and time-consuming procedures. In this study, we developed novel application for detection of gene translocations using loop-mediated isothermal amplification (LAMP)...
December 26, 2017: Acta Histochemica et Cytochemica
https://www.readbyqxmd.com/read/29343815/microrna-145-5p-and-microrna-320a-encapsulated-in-endothelial-microparticles-contribute-to-the-progression-of-vasculitis-in-acute-kawasaki-disease
#12
Hideyuki Nakaoka, Keiichi Hirono, Seiji Yamamoto, Ichiro Takasaki, Kei Takahashi, Koshi Kinoshita, Asami Takasaki, Naonori Nishida, Mako Okabe, Wang Ce, Nariaki Miyao, Kazuyoshi Saito, Keijiro Ibuki, Sayaka Ozawa, Yuichi Adachi, Fukiko Ichida
Kawasaki Disease (KD) is an acute inflammatory disease that takes the form of systemic vasculitis. Endothelial microparticles (EMPs) have been recognized as an important transcellular delivery system. We hypothesized whether EMPs are involved in vasculitis in acute KD. Fifty patients with acute KD were enrolled, divided into two subgroups: those with coronary artery lesions (CAL) (n = 5) and those without CAL (NCAL) (n = 45). EMPs were measured using flow cytometry, and microRNA (miR) expression profiling was performed by microRNA array...
January 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29343249/microrna-124-inhibits-bone-metastasis-of-breast-cancer-by-repressing-interleukin-11
#13
Wei-Luo Cai, Wen-Ding Huang, Bo Li, Tian-Rui Chen, Zhen-Xi Li, Cheng-Long Zhao, Heng-Yu Li, Yan-Mei Wu, Wang-Jun Yan, Jian-Ru Xiao
BACKGROUND: Most patients with breast cancer in advanced stages of the disease suffer from bone metastases which lead to fractures and nerve compression syndromes. microRNA dysregulation is an important event in the metastases of breast cancer to bone. microRNA-124 (miR-124) has been proved to inhibit cancer progression, whereas its effect on bone metastases of breast cancer has not been reported. Therefore, this study aimed to investigate the role and underlying mechanism of miR-124 in bone metastases of breast cancer...
January 17, 2018: Molecular Cancer
https://www.readbyqxmd.com/read/29343198/localization-of-felis-catus-papillomavirus-type-2-e6-and-e7-rna-in-feline-cutaneous-squamous-cell-carcinoma
#14
Nathan Hoggard, John S Munday, Jennifer Luff
Findings from polymerase chain reaction-based methods have suggested a role of Felis catus papillomavirus 2 (FcaPV-2) in the development of feline cutaneous squamous cell carcinoma (SCC). However, because polymerase chain reaction cannot localize deoxyribonucleic acid or ribonucleic acid within the lesion, it is difficult to differentiate a coincidental FcaPV-2 infection and a causative association. Given that a key event in the pathogenesis of human papillomavirus-induced cancer is the expression of viral E6 and E7 oncogenes, localization of FcaPV-2 E6 and E7 transcription within neoplastic cells in feline SCCs would support a causative role for this papillomavirus...
January 1, 2018: Veterinary Pathology
https://www.readbyqxmd.com/read/29342995/-pediatric-myeloid-neoplasms-associated-with-eosinophilia-and-platelet-derived-growth-factor-receptor-beta-gene-rearrangement-a-case-report-and-literature-review
#15
X Y Zhang, T F Liu, C W Li, Q H Li, X F Zhu
Objective: To investigate the clinical features and therapeutic strategies of childhood myeloid neoplasms associated with eosinophilia and platelet-derived growth factor receptor beta (PDGFRB) gene rearrangement. Methods: Clinical data of myeloid neoplasms associated with eosinophilia and t (1;5) (q21;q33) chromosomal translocation of PDGFRB gene rearrangement in a child hospitalized in Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences on May 2015 was collected and analyzed...
January 2, 2018: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29341473/somatic-mosaic-deletions-involving-scn1a-cause-dravet-syndrome
#16
Tojo Nakayama, Atsushi Ishii, Takeshi Yoshida, Hirosato Nasu, Keiko Shimojima, Toshiyuki Yamamoto, Shigeo Kure, Shinichi Hirose
Somatic mosaicism in single nucleotide variants of SCN1A is known to occur in a subset of parents of children with Dravet syndrome (DS). Here, we report recurrent somatic mosaic microdeletions involving SCN1A in children diagnosed with DS. Through the evaluation of 237 affected individuals with DS who did not show SCN1A or PCHD19 mutations in prior sequencing analyzes, we identified two children with mosaic microdeletions covering the entire SCN1A region. The allele frequency of the mosaic deletions estimated by multiplex ligation-dependent probe amplification and array comparative genomic hybridization was 25-40%, which was comparable to the mosaic ratio in lymphocytes and buccal mucosa cells observed by fluorescence in situ hybridization analysis...
January 17, 2018: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/29340846/novel-isoforms-of-n16-and-n19-families-implicated-for-the-nacreous-layer-formation-in-the-pearl-oyster-pinctada-fucata
#17
Fumito Ohmori, Shigeharu Kinoshita, Daisuke Funabara, Hiroki Koyama, Kiyohito Nagai, Kaoru Maeyama, Kikuhiko Okamoto, Shuichi Asakawa, Shugo Watabe
Although a wide variety of proteins and genes possibly related to the shell formation in bivalve have been identified, their functions have been only partially approved. We have recently performed deep sequencing of expressed sequence tags (ESTs) from the pearl oyster Pinctada fucata using a next-generation sequencer, identifying a dozen of novel gene candidates which are possibly associated with the nacreous layer formation. Among the ESTs, we focused on three novel isoforms (N16-6, N16-7, and N19-2) of N16 and N19 families with reference to five known genes in the families and determined the full-length cDNA sequences of these isoforms...
January 16, 2018: Marine Biotechnology
https://www.readbyqxmd.com/read/29340254/response-of-methane-production-via-propionate-oxidation-to-carboxylated-multiwalled-carbon-nanotubes-in-paddy-soil-enrichments
#18
Jianchao Zhang, Xingxuan Xia, Siliang Li, Wei Ran
Carboxylated multiwalled carbon nanotubes (MWCNTs-COOH) have become a growing concern in terms of their fate and toxicity in aqueous environments. Methane (CH4) is a major product of organic matter degradation in waterlogged environments. In this study, we determined the effect of MWCNTs-COOH on the production of CH4 from propionate oxidation in paddy soil enrichments. The results showed that the methanogenesis from propionate degradation was accelerated in the presence of MWCNTs-COOH. In addition, the rates of CH4 production and propionate degradation increased with increasing concentrations of MWCNTs-COOH...
2018: PeerJ
https://www.readbyqxmd.com/read/29339834/use-of-multicolor-fluorescence-in-situ-hybridization-to-detect-deletions-in-clinical-tissue-sections
#19
REVIEW
Maisa Yoshimoto, Olga Ludkovski, Jennifer Good, Ciro Pereira, Robert J Gooding, Jean McGowan-Jordan, Alexander Boag, Andrew Evans, Ming-Sound Tsao, Paulo Nuin, Jeremy A Squire
A variety of laboratory methods are available for the detection of deletions of tumor suppressor genes and losses of their proteins. The clinical utility of fluorescence in situ hybridization (FISH) for the identification of deletions of tumor suppressor genes has previously been limited by difficulties in the interpretation of FISH signal patterns. The first deletion FISH assays using formalin-fixed paraffin-embedded tissue sections had to deal with a significant background level of signal losses affecting nuclei that are truncated by the cutting process of slide preparation...
January 16, 2018: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/29339662/cytogenetic-characterization-of-eight-odonata-species-originating-from-the-curonian-spit-the-baltic-sea-russia-using-c-banding-and-fish-with-18s-rdna-and-telomeric-ttagg-n-probes
#20
Valentina G Kuznetsova, Anna Maryańska-Nadachowska, Nazar A Shapoval, Boris A Anokhin, Anatoly P Shapoval
We studied the karyotypes of 8 dragonfly species originating from the Curonian Spit (the Baltic Sea, Russia) using C-banding and FISH with 18S rDNA and "insect" telomeric (TTAGG)n probes. Our results show that Leucorrhinia rubicunda, Libellula depressa, L. quadrimaculata, Orthetrum cancellatum, Sympetrum danae, and S. vulgatum from the family Libellulidae, as well as Cordulia aenea and Epitheca bimaculata from the family Corduliidae share 2n = 25 (24 + X) in males, with a minute pair of m-chromosomes being present in every karyotype except for that of C...
January 17, 2018: Cytogenetic and Genome Research
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