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https://www.readbyqxmd.com/read/28105885/denosumab-in-patients-with-giant-cell-tumor-of-bone-in-norway-results-from-a-nationwide-cohort
#1
Kjetil Boye, Nina Louise Jebsen, Olga Zaikova, Heidi Knobel, Ayca M Løndalen, Clement S Trovik, Odd R Monge, Kirsten Sundby Hall
BACKGROUND: Denosumab is a relatively new treatment option for patients with giant-cell tumor of bone (GCTB). The purpose of this study was to report the results for patients treated in Norway. MATERIALS AND METHODS: Patients treated with denosumab for GCTB were identified from the clinical databases at the Norwegian sarcoma reference centers. Data were retrieved from the clinical databases and supplemented by retrospective review of patient records. Denosumab was given as a subcutaneous injection every 4 weeks with loading doses on day 8 and 15 in cycle 1...
January 20, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28105671/primary-giant-cell-tumor-of-the-common-bile-duct-no-mutation-h3f3a-found
#2
EDITORIAL
Aurélie Beaufrère, Frédérique Larousserie, Safi Dokmak, Eric Pasmant, Janick Selves, Dominique Cazals-Hatem
No abstract text is available yet for this article.
January 20, 2017: Pathology International
https://www.readbyqxmd.com/read/28104021/-giant-cell-reparative-granuloma-of-nasopalatine-a-case-report
#3
Y Li, J M Xue, Y F Ying, C Li, C Q Zhao
No abstract text is available yet for this article.
January 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/28103637/exploiting-cell-cycle-inhibitor-genes-of-the-krp-family-to-control-root-knot-nematode-induced-feeding-sites-in-plants
#4
Roberta Ramos Coelho, Paulo Vieira, José Dijair Antonino de Souza Júnior, Cristina Martin-Jimenez, Lieven De Veylder, Julie Cazareth, Gilbert Engler, Maria Fatima Grossi-de-Sa, Janice de Almeida Engler
Cell cycle control in galls provoked by root-knot nematodes involves the activity of inhibitor genes like the Arabidopsis ICK/KRP members. Ectopic KRP1, KRP2 and KRP4 expression resulted in decreases gall size by inhibiting mitotic activity, whereas KRP6 induces mitosis in galls. Herein, we investigate the role of KRP3, KRP5 and KRP7 during gall development and compared their role with previously studied members of this class of cell cycle inhibitors. Overexpression of KRP3 and KRP7 resulted in undersized giant cells, with KRP3(OE) galls presenting peculiar elongated giant cells...
January 19, 2017: Plant, Cell & Environment
https://www.readbyqxmd.com/read/28101355/undifferentiated-carcinoma-of-the-gallbladder-with-endothelial-differentiation-a-case-report-and-literature-review
#5
Yoshitaka Furuya, Kenzo Hiroshima, Takashi Wakahara, Harutoshi Akimoto, Hironobu Yanagie, Kenichi Harigaya, Hiroshi Yasuhara
Undifferentiated carcinoma of the gallbladder is a rare cancer type with a poor prognosis. The present study described a case of undifferentiated gallbladder carcinoma of the spindle- and giant-cell type, according to the 2010 World Health Organization classification. Hematoxylin and eosin staining revealed that the tumor consisted of dense interlacing bundles of spindle-shaped cells. No evidence of cartilaginous, osseous or rhabdomyosarcomatous differentiation was observed. Immunohistochemical staining revealed that spindle- and polygonal-shaped cells of the undifferentiated carcinoma were positive for cytokeratin AE1/3, vimentin and vascular endothelial growth factor...
December 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28101196/denosumab-treatment-of-inoperable-or-locally-advanced-giant-cell-tumor-of-bone
#6
Aneta Borkowska, Tomasz Goryń, Andrzej Pieńkowski, Michał Wągrodzki, Ewelina Jagiełło-Wieczorek, Paweł Rogala, Milena Szacht, Piotr Rutkowski
Giant cell tumor of bone (GCTB) is an osteolytic, locally aggressive tumor that rarely metastasizes and typically occurs in the bones. At present, the primary treatment for GCTB is curettage with local adjuvants. Giant cells express receptor activator of nuclear factor-κB ligand (RANKL). Denosumab, a RANKL inhibitor appears to present an effective therapeutic option in advanced cases of GCTB. The aim of the present study was to confirm the efficacy of denosumab in large group of patients with locally advanced GCTB...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28101025/giant-basal-cell-carcinomas-arising-on-the-bilateral-forearms-of-a-patient-a-case-report-and-review-of-nonsurgical-treatment-options
#7
Sarah Shangraw, Rivka C Stone, Jeong Hee Cho-Vega, Robert S Kirsner
Giant basal cell carcinomas (GBCCs) are large basal cell carcinomas (BCCs; <5 cm) with a greater propensity to invade and metastasize than standard BCCs. The presence of 2 GBCCs in a single individual is rare. We present the case of a 71-year-old Caucasian male with bilateral GBCCs on the dorsal forearms, measuring 130 cm(2) and 24 cm(2), respectively, that developed over a 21-year period. Over this period, the patient treated the tumors with herbal remedies. Histologic evaluation showed a conventional nodular BCC for both tumors...
September 2016: Case Reports in Dermatology
https://www.readbyqxmd.com/read/28101022/necrobiotic-xanthogranuloma-in-a-patient-with-multiple-myeloma
#8
Marlies Wruhs, Robert Feldmann, Isabelle Sawetz, Friedrich Breier, Andreas Steiner
An 82-year-old woman presented with a 9-month history of multiple, well-defined skin lesions on her neck and upper chest, progressively increasing in size. Histological examination of a skin biopsy showed a regular epidermis. In the dermis, granulomatous changes with central necrobiosis were found which extended focally into the subcutaneous fat. The necrobiotic areas were surrounded by Touton cells and foreign-body giant cells. Laboratory analysis revealed leucopenia. Serum electrophoresis and immunofixation disclosed the presence of an IgG-λ paraprotein...
September 2016: Case Reports in Dermatology
https://www.readbyqxmd.com/read/28100586/axon-termination-pruning-and-synaptogenesis-in-the-giant-fiber-system-of-drosophila-melanogaster-is-promoted-by-highwire
#9
Melissa Borgen, Kimberly Rowland, Jana Boerner, Brandon Lloyd, Aruna Khan, Rod Murphey
The ubiquitin ligase Highwire has a conserved role in synapse formation. Here we show that Highwire coordinates several facets of central synapse formation in the Drosophila melanogaster giant fiber system, including axon termination, axon pruning, and synaptic function. Despite the similarities to the fly neuromuscular junction, the role of Highwire and the underlying signaling pathways are distinct in the fly's giant fiber system. During development, branching of the giant fiber presynaptic terminal occurs and, normally, the transient branches are pruned away...
January 18, 2017: Genetics
https://www.readbyqxmd.com/read/28099197/relative-frequencies-of-arteritic-and-nonarteritic-anterior-ischemic-optic-neuropathy-in-an-arab-population
#10
Anna M Gruener, Jessica R Chang, Thomas M Bosley, Zakeya M Al-Sadah, Clarissa Kum, Timothy J McCulley
BACKGROUND: To evaluate the relative frequencies of arteritic and nonarteritic anterior ischemic optic neuropathy (AION) in an Arab population and to compare and contrast these findings with known epidemiological data from Caucasian populations. METHODS: A retrospective review of the medical records of all patients diagnosed with AION at the King Khaled Eye Specialist Hospital (KKESH) in Riyadh, Saudi Arabia, between 1997 and 2012. RESULTS: Of 171 patients with AION, 4 had biopsy-proven giant-cell arteritis (GCA)...
January 17, 2017: Journal of Neuro-ophthalmology: the Official Journal of the North American Neuro-Ophthalmology Society
https://www.readbyqxmd.com/read/28098407/tumefactive-foreign-body-giant-cell-reaction-following-high-pressure-paint-injection-injury-a-case-report-and-review-of-literature
#11
Shakuntala H Mauzo, Michael Swaby, Michael Covinsky
High pressure paint injection injury is an uncommon but well-described injury. The histologic features of long-term paint injection injury with retained material are less recognized. A 46 year old male presented clinically as "recurrent giant cell tumor of tendon sheath". The right index finger demonstrated fusiform enlargement by a pigmented mass with diffuse infiltration into the soft tissue of the hand. Histologically the tumor showed multiple giant cells in a fibrotic stroma extending into the dermis. There were multiple types of foreign material including diffuse brown black pigment, weakly optically polarizing foreign material and white inclusions with a "train track" appearance...
January 18, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28097846/-solitary-and-congenital-juvenile-xanthogranuloma-case-report
#12
Leticia Lazarte, Paola C Stefano, Marcela Bocian, Verónica Solernou, Adrián Martín Pierini, Andrea Bettina Cervini
Juvenile xanthogranuloma is a bening pathology and it represents the most common form of non-Langerhans cell histiocytosis. It is characterized by the presence of papules or firm nodules of a pinkish or yellow-brownish nature, which mainly compromise the skin and, exceptionally, other organs. It is a self-limited entity having a spontaneous regression during the first five years of life. We report the case of a one-month-old patient who presented a congenital tumor in the abdomen, whose histopathology showed the presence of multinucleated giant Touton cells, which are typical of this pathology...
1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28097678/aberrant-tyrosinase-expression-in-an-atypical-fibroxanthoma-a-case-report
#13
Amy Weiss, Vijay Vanchinathan, Eun Ji Kwon
Atypical fibroxanthoma (AFX) is a histologic mimicker of a variety of spindle cell neoplasms and careful microscopic and immunohistochemical evaluation is critical in establishing the correct diagnosis. Here we report the histologic and immunohistochemical work-up of a 1 cm nodule involving the left dorsal hand of a 66-year-old patient. Light microscopy revealed fascicles of spindled and pleomorphic cells within the dermis demonstrating increased mitotic activity occurring in the background of sun-damaged skin...
January 18, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28097375/hypoxia-induced-fibroblast-growth-factor-11-stimulates-osteoclast-mediated-resorption-of-bone
#14
Helen J Knowles
Over-activation of osteoclasts is directly responsible for pathological bone loss in conditions such as rheumatoid arthritis and cancer metastasis to bone. Hypoxia is a common feature of these conditions, associated with poor prognosis, which also stimulates osteoclast-mediated bone resorption via induction of the hypoxia-inducible transcription factor HIF-1α. Here, we investigate the effects of fibroblast growth factor 11 (FGF11) on osteoclast function. FGF11 is an intracellular FGF that was induced both by hypoxia (2% O2, p < 0...
January 18, 2017: Calcified Tissue International
https://www.readbyqxmd.com/read/28094036/centriole-remodeling-during-spermiogenesis-in-drosophila
#15
Atul Khire, Kyoung H Jo, Dong Kong, Tara Akhshi, Stephanie Blachon, Anthony R Cekic, Sarah Hynek, Andrew Ha, Jadranka Loncarek, Vito Mennella, Tomer Avidor-Reiss
The first cell of an animal (zygote) requires centrosomes that are assembled from paternally inherited centrioles and maternally inherited pericentriolar material (PCM) [1]. In some animals, sperm centrioles with typical ultrastructure are the origin of the first centrosomes in the zygote [2-4]. In other animals, however, sperm centrioles lose their proteins and are thought to be degenerated and non-functional during spermiogenesis [5, 6]. Here, we show that the two sperm centrioles (the giant centriole [GC] and the proximal centriole-like structure [PCL]) in Drosophila melanogaster are remodeled during spermiogenesis through protein enrichment and ultrastructure modification in parallel to previously described centrosomal reduction [7]...
December 5, 2016: Current Biology: CB
https://www.readbyqxmd.com/read/28093892/multinucleated-giant-cells-in-the-implant-bed-of-bone-substitutes-are-foreign-body-giant-cells-new-insights-into-the-material-mediated-healing-process
#16
Mike Barbeck, Patrick Booms, Ronald Unger, Verena Hoffmann, Robert Sader, Charles James Kirkpatrick, Shahram Ghanaati
In addition to macrophages, multinucleated giant cells (MNGCs) are involved in the tissue reaction to a variety of biomaterials. Especially in the case of bone substitute materials it has been assumed that the MNGCs are osteoclasts, based on the chemical and physical similarity of many materials to the calcified matrix and the bony environment in which they are used. However, many studies indicate that these cells belong to the cell line of the foreign body giant cells (FBGCs), which are of "inflammatory origin", although they have been shown to possess both a pro- and also anti-inflammatory phenotype...
January 17, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28092900/mimics-of-megakaryocytes-giant-bizarre-myeloma-cells
#17
Huifei Liu, Shaoying Li
No abstract text is available yet for this article.
August 11, 2016: Blood
https://www.readbyqxmd.com/read/28089985/giant-cell-arteritis-related-stroke-a-retrospective-multicenter-case-control-study
#18
Hubert de Boysson, Eric Liozon, Delphine Larivière, Maxime Samson, Jean-Jacques Parienti, Jonathan Boutemy, Gwénola Maigné, Nicolas Martin Silva, Kim Ly, Emmanuel Touzé, Bernard Bonnotte, Achille Aouba, Karim Sacré, Boris Bienvenu
OBJECTIVE: Our aim was to describe patients with giant cell arteritis (GCA)-related stroke and to compare them with a control group of GCA patients without stroke. METHODS: We created a retrospective multicenter cohort of patients with (1) GCA diagnosed according to the American College of Rheumatology criteria between 1995 and 2015, and (2) stroke occurring at the time of GCA diagnosis or occurring within 4 weeks of starting GCA therapy. The control group consisted of GCA patients without stroke...
January 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28089848/sparc-preserves-follicular-epithelium-integrity-in-insect-ovaries
#19
Paula Irles, Saray Ramos, Maria-Dolors Piulachs
The importance of juvenile hormone regulating insect oogenesis suggests looking for genes whose expression is regulated by this hormone. SPARC is a calcium-binding glycoprotein that forms part of the extracellular membranes, which in vertebrates participates in bones mineralization or regulating cell proliferation in some cancer types. This large number of functions described for SPARC in different species might be related to the significant differences in its structure observed when comparing different species-groups...
January 12, 2017: Developmental Biology
https://www.readbyqxmd.com/read/28089558/startle-suppression-after-mild-traumatic-brain-injury-is-associated-with-an-increase-in-pro-inflammatory-cytokines-reactive-gliosis-and-neuronal-loss-in-the-caudal-pontine-reticular-nucleus
#20
Swamini P Sinha, Pelin Avcu, Kevin M Spiegler, Sreeya Komaravolu, Kevin Kim, Tara Cominski, Richard J Servatius, Kevin C H Pang
Mild traumatic brain injury (mTBI) can produce somatic symptoms such as headache, dizziness, fatigue, sleep disturbances and sensorimotor dysfunction. Sensorimotor function can be measured by tests such as the acoustic startle reflex (ASR), an evolutionarily conserved defensive response to a brief yet sharp acoustic stimulus. mTBI produces a long-lasting suppression of ASR in rodents and humans; however, the mechanism of this suppression is unknown. The present study examined whether inflammatory processes in the brainstem (particularly the caudal pontine reticular nucleus, PnC) could account for the suppression of ASR after mTBI, because the PnC is an essential nucleus of the ASR circuit...
January 9, 2017: Brain, Behavior, and Immunity
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