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https://www.readbyqxmd.com/read/29326301/prognostic-roles-of-signal-transducers-activators-of-transcription-family-in-human-breast-cancer
#1
Shuntao Wang, Lili Yu, Wei Shi, Xueqin Li, Lixiu Yu
Signal transducer and activator of transcription (STAT) family are critical transcription factors, which have been proved as prognostic predictors for a number of cancers. However, the prognostic roles of STAT family in breast cancer patients remain in dispute. In this study, we mined the 'Kaplan-Meier plotter' (KM plotter) online database to explore the prognostic roles of STAT family mRNA expression in breast cancer including overall survival (OS), progression-free survival (PFS), as well as post-progression survival (PPS)...
January 11, 2018: Bioscience Reports
https://www.readbyqxmd.com/read/29325251/-extrapleural-solitary-fibrous-tumor-with-uncommon-histology-a-clinicopathologic-analysis-of-7-cases
#2
M Zhao, Z R Yang, Y B Wang, Y Chen, G W Qi, Y J Yan, W J Xu, G Q Ru, X L He
Objective: To investigate the clinicopathologic characteristics, immunophenotypes, and differential diagnostic features of extra-pleural solitary fibrous tumor (SFT) with uncommon histology. Methods: Seven cases of extra-pleural SFT with uncommon histology were collected during January 2015 and December 2016 in Zhejiang Provincal People's Hospital; the clinical and radiologic features, histomorphology, immunophenotype and prognosis were analyzed. EnVision method was used for immunohistochemical staining of STAT6, CD34 and other differential diagnosis associated markers...
January 8, 2018: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/29325250/-myofibroma-myofibromatosis-a-clinicopathologic-analysis-of-9-cases
#3
Y Fu, W Y Guan, H Y Wu, H Y Wu, Z W Fan, Q Ye, F Q Meng
Objective: To investigate the clinical and histological features, diagnosis and differential diagnosis of myofibroma/myofibromatosis. Methods: The clinical data and pathology features of nine cases of myofibroma/myofibromatosis were collected from August 2011 to November 2016 in Affiliated Drum Tower Hospital, Nanjing University Medical School and Children's Hospital of Nanjing Medical University. Immunohistochemistry(IHC), PDGFRB molecular analysis and ETV6-NTRK3 gene fusion were performed and relevant literature reviewed...
January 8, 2018: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/29319845/il-37-inhibits-il-4-il-13-induced-ccl11-production-and-lung-eosinophilia-in-murine-allergic-asthma
#4
Jiaoyan Lv, Yingluo Xiong, Wenjing Li, Xinyi Cui, Xunjia Cheng, Qibin Leng, Rui He
BACKGROUND: IL-37 is emerging as an anti-inflammatory cytokine, particularly in innate inflammation. However, the role of IL-37 in Th2-mediated allergic lung inflammation remains uncertain. We sought to determine the role and the underlying mechanisms of IL-37 in the development of house dust mites (HDM)-induced murine asthma model. METHODS: We examined the effect of IL-37 administration during the sensitization or challenge phase on Th2-mediated allergic asthma induced by inhaled HDM...
January 10, 2018: Allergy
https://www.readbyqxmd.com/read/29310366/scrotum-solitary-fibrous-tumor-a-case-report-and-review-of-literature
#5
Xue-Yan Zhao, Ming Zeng, Qiu-Yan Yang, Cai-Ping Jing, Yu Zhang
BACKGROUND: A solitary fibrous tumor (SFT) is a rare clinical tumor, often manifesting as solitary nodules. It is a rare condition that occurs in the scrotum. Currently, no study has reported this condition. CASE SUMMARY: We reported a case of an SFT in a 77-year-old man, and discuss its diagnosis, differential diagnosis, and treatment. Clinical and histopathological features, as well as the EnVision 2-step method, were used to diagnosis the SFT. The results of imaging tests and surgery indicated that the SFT was located in the right scrotum with 2 connected tumor nodules and a clear perimeter...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29304229/cd16-macrophages-mediate-fibrosis-in-inflammatory-bowel-disease
#6
Pedro Salvador, Dulce Carolina Macías-Ceja, Laura Gisbert-Ferrándiz, Carlos Hernández, David Bernardo, Rafael Alós, Francisco Navarro-Vicente, Juan Vicente Esplugues, Dolores Ortiz-Masiá, Maria Dolores Barrachina, Sara Calatayud
Background and aims: Fibrosis is a common complication of Crohn's disease, and is related with dysregulated tissular repair following inflammation, in which macrophages play a central role. We have previously observed that STAT6-/- mice present delayed mucosal recovery after TNBS-induced colitis due to a deficiency in reparatory IL4/STAT6-dependent M2 macrophages, which can be reverted by the exogenous transfer of this cell type. In the present study we aimed to analyze the role of STAT6-dependent macrophages in intestinal fibrosis...
January 3, 2018: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/29288730/sulfur-dioxide-exposure-enhances-th2-inflammatory-responses-via-activating-stat6-pathway-in-asthmatic-mice
#7
Xiujuan Li, Liqun Huang, Na Wang, Huilan Yi, Hong Wang
Sulfur dioxide (SO2) is one of potential risk factors for induction and/or exacerbation of asthma, but the underlying mechanisms are not well understood. In this study, we investigate the role of SO2 in asthma using a classical asthmatic model with allergic airway inflammation by treating C57BL/6 mice with ovalbumin (OVA) and/or 10 mg/m3 SO2. Our results showed that SO2 exposure alone induced slight pathological changes but did not significantly increase inflammatory cell counts, pro-inflammatory cytokine expression, and mucus production in the airway of mice, whereas SO2 exposure in OVA-induced asthmatic mice caused marked pulmonary pathological changes and significantly increased the counts of eosinophil-rich leukocytes compared with OVA alone asthmatic mice...
December 27, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/29282671/sinonasal-tract-solitary-fibrous-tumor-a-clinicopathologic-study-of-six-cases-with-a-comprehensive-review-of-the-literature
#8
Lester D R Thompson, Sean K Lau
Solitary fibrous tumors (SFTs) are well recognized in the head and neck region, but rarely arise in the sinonasal tract (SNT). Six primary SNT SFTs were identified in the files of Southern California Permanente Medical Group between 2006 and 2017. The patients included five males and one female ranging in age from 33 to 72 years (mean 52 years), most of whom presented clinically with nasal obstruction. Three tumors involved the nasal cavity alone, one involved the paranasal sinuses, and two involved both the nasal cavity and paranasal sinuses...
December 27, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/29275858/engineered-sialylation-of-pathogenic-antibodies-in%C3%A2-vivo-attenuates-autoimmune-disease
#9
Jose D Pagan, Maya Kitaoka, Robert M Anthony
Self-reactive IgGs contribute to the pathology of autoimmune diseases, including systemic lupus erythematosus and rheumatoid arthritis. Paradoxically, IgGs are used to treat inflammatory diseases in the form of high-dose intravenous immunoglobulin (IVIG). Distinct glycoforms on the IgG crystallizable fragment (Fc) dictate these divergent functions. IgG anti-inflammatory activity is attributed to sialylation of the Fc glycan. We therefore sought to convert endogenous IgG to anti-inflammatory mediators in vivo by engineering solubilized glycosyltransferases that attach galactose or sialic acid...
December 11, 2017: Cell
https://www.readbyqxmd.com/read/29273506/bromodomain-containing-protein-7-deficiency-augments-atherosclerotic-lesions-in-apoe-mice
#10
Aiguo Yan, Tao Yue, Li Li, Wei Li, Qinghua Li, Jun Li
Atherosclerotic plaque formation is characterized by the persistence of lipid-laden macrophages on the inner walls of arteries. Chronic inflammation and imbalanced macrophage function are likely to play a critical role. Herein, we investigated whether bromodomain-containing protein 7 (Brd7), a member of the bromodomain-containing protein family, regulates atherosclerosis, and if so, which mechanisms are responsible for the process. We found that Brd7 is expressed in mouse atherosclerotic plaques, and mostly in macrophages...
December 19, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29248622/partial-enteral-nutrition-increases-intestinal-siga-levels-in-mice-undergoing-parenteral-nutrition-in-a-dose-dependent-manner
#11
Haifeng Sun, Jingcheng Bi, Qiucheng Lei, Xiao Wan, Tingting Jiang, Chao Wu, Xinying Wang
BACKGROUND AND AIMS: Partial enteral nutrition (PEN) protects parenteral nutrition (PN) induced gut mucosal immunity impairment. However, the gastrointestinal function of most patients with PN is too poor to tolerate full dosage of PEN and no guidelines recommend PEN dose. We aimed to identify an optimal PEN dose and to understand the protective mechanism. METHODS: Mice were assigned to groups with total parenteral nutrition (TPN), total enteral nutrition (TEN), or various degrees of PEN with PN...
December 14, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/29238954/il-25-is-involved-in-ctcl-progression-by-establishing-th2-dominant-microenvironment
#12
R Nakajima, T Miyagaki, T Oka, N Takahashi, M Hirakawa, H Suga, A Yoshizaki, H Fujita, Y Asano, M Sugaya, S Sato
BACKGROUND: Interleukin (IL)-25 is a member of the IL-17 family which can promote and augment T-helper type (Th) 2 responses. The expression of IL-25 and its cognate receptor, IL-25 receptor (IL-25R), is upregulated and correlated with disease activity in Th2-associated diseases. OBJECTIVE: To examine the expression and function of IL-25 in cutaneous T-cell lymphoma (CTCL). METHODS: Expression and localization of IL-25 in lesional skin was investigated using immunohistochemistry...
December 13, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/29228868/solitary-fibrous-tumors-in-pediatric-patients-a-rare-and-potentially-overdiagnosed-neoplasm-confirmed-by-stat6-immunohistochemistry
#13
Serena Y Tan, Linda J Szymanski, Carlos Galliani, David Parham, Eduardo Zambrano
Pathological diagnosis of solitary fibrous tumor (SFT) in the pediatric population is challenging, as it occurs uncommonly in this age-group and resembles other spindle cell neoplasms. SFT contains a NAB2-STAT6 fusion gene, which can be reliably detected using STAT6 immunohistochemistry. Positive staining is highly sensitive and specific. We sought to investigate the utility of STAT6 immunohistochemistry, to show how commonly SFT was historically recognized at 3 academic pediatric institutions, to reclassify them when appropriate, and to demonstrate features of major mimics of SFT...
January 1, 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/29215829/-reprogrammed-m1-macrophages-with-inhibited-stat3-stat6-and-or-smad3-extends-lifespan-of-mice-with-experimental-carcinoma
#14
S V Kalish, S V Lyamina, A A Raetskaya, I Iy Malyshev
Objective. Reprogramming of M1 macrophage phenotype with inhibited M2 phenotype transcription factors, such as STAT3, STAT6 and SMAD and assess their impact on the development of Ehrlich carcinoma (EC) in vitro and in vivo. Methods. Tumor growth in vitro was initiated by addition of EC cells in RPMI-1640 culture medium and in vivo by intraperitoneal of EC cell injection into mice. Results. It was found that M1-STAT3/6- SMAD3 macrophages have a pronounced anti-tumor effect in vitro, and in vivo, which was greater than anti-tumor effects of M1, M1-STAT 3/6, M1-SMAD3 macrophages and cisplatin...
April 2017: Patologicheskaia Fiziologiia i èksperimental'naia Terapiia
https://www.readbyqxmd.com/read/29203888/insight-into-the-molecular-recognition-mechanism-of-the-coactivator-ncoa1-by-stat6
#15
Luigi Russo, Karin Giller, Edith Pfitzner, Christian Griesinger, Stefan Becker
Crucial for immune and anti-inflammatory cellular responses, signal transducer and activator of transcription 6 (STAT6) regulates transcriptional activation in response to interleukin-4 and -13 -induced tyrosine phosphorylation by direct interaction with coactivators. The interaction of STAT6 with nuclear coactivator 1 (NCoA1) is mediated by a short region of the STAT6 transactivation domain that includes the motif LXXLL and interacts with the PAS-B domain of NCoA1. Despite the availability of an X-ray structure of the PAS-B domain/ Leu794-Gly814-STAT6 complex, the mechanistic details of this interaction are still poorly understood...
December 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29203240/il-13-regulates-il-17c-expression-by-suppressing-nf-%C3%AE%C2%BAb-mediated-transcriptional-activation-in-airway-epithelial-cells
#16
Katsumasa Yamanaka, Tomoyuki Fujisawa, Hideki Kusagaya, Kazutaka Mori, Mitsuru Niwa, Kazuki Furuhashi, Masato Kono, Etsuko Hamada, Takafumi Suda, Masato Maekawa
The cytokine interleukin (IL)-17C is highly expressed in epithelial tissues and involved in innate immune responses; however, the regulation of IL-17C expression in the airways remains poorly understood. Here, we show that IL-1β strongly induces both IL-17C mRNA and protein expression in primary normal human bronchial epithelial cells. Conversely, IL-13 significantly reduced the IL-1β-induced IL-17C expression. Attenuation of the nuclear factor (NF)-κB-signaling pathway using an NF-κB-subunit p65-specific small-interfering RNA (siRNA), reduced IL-1β-induced IL-17C expression, demonstrating the importance of NF-κB signaling in IL-17C regulation...
December 1, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29193015/the-exomic-landscape-of-t-14-18-negative-diffuse-follicular-lymphoma-with-1p36-deletion
#17
Alberto Zamò, Jordan Pischimarov, Heike Horn, German Ott, Andreas Rosenwald, Ellen Leich
Predominantly diffuse t(14;18) negative follicular lymphoma (FL) with 1p36 deletion shows distinctive clinical, morphological and molecular features that distinguish it from classical FL. In order to investigate whether it possesses a unique mutation profile, we performed whole exome sequencing of six well-characterised cases. Our analysis showed that the mutational landscape of this subtype is largely distinct from classical FL. It appears to harbour several recurrent mutations, affecting STAT6, CREBBP and basal membrane protein genes with high frequency...
November 28, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/29188369/immune-modulation-of-th1-th2-and-t-reg-transcriptional-factors-differing-from-cytokine-levels-in-schistosoma-japonicum-infection
#18
Amel Farwa, Chao He, Longfei Xia, Hong Zhou
In spite of long-term integrated control programs for Schistosoma japonicum infection in China, the infection is still persistent due to its zoonotic transmission and disease severity which further complicate its control. Th1, Th2, and T-reg cells are involved in S. japonicum immunity; however, their exact roles in immunopathology of this infection are still questionable. Therefore, the monitoring of these T cell subsets' immune responses during a primary infection of S. japonicum at both transcriptional (mRNA) and protein (cytokines) levels would be essential to point out...
November 29, 2017: Parasitology Research
https://www.readbyqxmd.com/read/29168109/a-case-of-glomangiopericytoma-at-the-nasal-septum
#19
Takashi Anzai, Tsuyoshi Saito, Sho Tsuyama, Miri Toh, Katsuhisa Ikeda, Shin Ito
Glomangiopericytoma (GPC) is a rare sinonasal perivascular tumor that accounts for < 0.5-1% of all sinonasal tumors. GPC is categorized as a low-grade neoplasm with borderline malignancy and a tendency of local recurrence. GPC is a rare mesenchymal neoplasm characterized by the perivascular proliferation of tumor cells, and it requires being distinguished from solitary fibrous tumors. Here, we report a case of GPC in a 68-year-old male patient who presented at the emergency room of our hospital with a complaint of sudden epistaxis...
November 22, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/29158739/human-admc-derived-adipocyte-thermogenic-capacity-is-regulated-by-il-4-receptor
#20
Fernando Lizcano, Diana Vargas, Ángela Gómez, Astrid Torrado
Type two innate immune system is anti-inflammatory and may play an important role as the means whereby "browning" is induced in subcutaneous adipocytes. It was shown that IL-4 may influence the fate of adipose cell precursors by promoting differentiation towards more thermogenic adipocytes in mice. Here, we investigated the influence of IL-4 and IL-4 receptor, a type two immune cytokine pathway, on the metabolic activity and thermogenic potential of human adipocytes differentiated from adipose-derived mesenchymal stem cells (ADMSCs) obtained from subcutaneous samples of healthy women undergoing abdominoplasty...
2017: Stem Cells International
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