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https://www.readbyqxmd.com/read/28093832/il-15-deficient-mice-develop-enhanced-allergic-responses-to-airway-allergen-exposure
#1
Clinton B Mathias, Craig M Schramm, Linda A Guernsey, Carol A Wu, Stephanie H Polukort, Jeffrey Rovatti, Jennifer Ser-Dolansky, Eric Secor, Sallie S Schneider, Roger S Thrall, Hector L Aguila
BACKGROUND: Interleukin-15 is a pleiotropic cytokine that is critical for the development and survival of multiple hematopoietic lineages. Mice lacking IL-15 have selective defects in populations of several pro-allergic immune cells including natural killer (NK) cells, NKT cells, and memory CD8(+) T cells. We therefore hypothesized that IL-15(-/-) mice will have reduced inflammatory responses during the development of allergic airway disease (AAD). OBJECTIVE: To determine whether IL-15(-/-) mice have attenuated allergic responses in a mouse model of AAD...
January 17, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28093526/cathepsin-k-deficiency-ameliorates-systemic-lupus-erythematosus-like-manifestations-in-faslpr-mice
#2
Yi Zhou, Huimei Chen, Li Liu, Xueqing Yu, Galina K Sukhova, Min Yang, Vasileios C Kyttaris, Isaac E Stillman, Bruce Gelb, Peter Libby, George C Tsokos, Guo-Ping Shi
Cysteinyl cathepsin K (CatK) is expressed in osteoclasts to mediate bone resorption, but is also inducible under inflammatory conditions. Fas(lpr) mice on a C57BL/6 background develop spontaneous systemic lupus erythematosus-like manifestations. Although normal mouse kidneys expressed negligible CatK, those from Fas(lpr) mice showed elevated CatK expression in the glomeruli and tubulointerstitial space. Fas(lpr) mice also showed elevated serum CatK levels. CatK deficiency in Fas(lpr) mice reduced all tested kidney pathologies, including glomerulus and tubulointerstitial scores, glomerulus complement C3 and IgG deposition, chemokine expression and macrophage infiltration, and serum autoantibodies...
January 16, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28093217/abnormal-cd161-immune-cells-and-ror%C3%AE-t-mediated-enhanced-il-17f-expression-in-genetic-hypertension
#3
Madhu V Singh, Michael Z Cicha, Santosh Kumar, David K Meyerholz, Kaikobad Irani, Mark W Chapleau, François M Abboud
BACKGROUND: Hypertension is considered an immunological disorder. However, the role of IL-17 family in genetic hypertension of the spontaneously hypertensive rat (SHR) has not been investigated. OBJECTIVE: We tested the hypothesis that enhanced Th17 programming and IL-17 expression in abundant CD161+ immune cells in SHR represent an abnormal proinflammatory adaptive immune response. Furthermore, we propose that this response is driven by the master regulator RORγt and a nicotinic proinflammatory innate immune response...
January 13, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28092075/boron-affects-immune-function-through-modulation-of-splenic-t-lymphocyte-subsets-cytokine-secretion-and-lymphocyte-proliferation-and-apoptosis-in-rats
#4
Erhui Jin, Shenghe Li, Man Ren, Qianqian Hu, Youfang Gu, Kui Li
This study demonstrated the mechanisms of boron effects in a rat model and provided a scientific basis for the rational of boron use. These findings were achieved by investigating the effects of boron (10, 20, 40, 80, 160, 320, and 640 mg/L in drinking water or 1.5, 3, 6, 12, 24, 48, and 96 mg/kg BW) on rat serum immunoglobulins (IgGs), splenic cytokines, lymphocyte subsets, as well as on lymphocyte proliferation and apoptosis. Addition of 20 (3) and 40 (6) mg/L (mg/kg BW) of boron to drinking water significantly increased rat serum IgG concentrations, splenic IFN-γ and IL-4 expression as well as the number of splenic CD3(+), CD4(+) and proliferating cell nuclear antigen (PCNA)(+) cells...
January 14, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28089954/solid-pseudopapillary-neoplasm-of-the-pancreas-ct-imaging-features-and-radiologic-pathologic-correlation
#5
Gopinathan Anil, Junwei Zhang, Nawal Ebrahim Al Hamar, Min En Nga
PURPOSE: We aimed to evaluate the imaging features of solid pseudopapillary neoplasm (SPN) of the pancreas with an emphasis on radiologic-pathologic correlation. METHODS: Ten patients (all female; mean age, 32 years) with histologic or cytologic diagnosis of SPN encountered between January 2007 and December 2013 were included in this study. Preoperative computed tomography (CT) images were reviewed for location, attenuation, enhancement pattern, margin, shape, size, morphology, presence of capsule and calcification...
January 16, 2017: Diagnostic and Interventional Radiology: Official Journal of the Turkish Society of Radiology
https://www.readbyqxmd.com/read/28089549/modified-live-infectious-bursal-disease-virus-ibdv-vaccine-delays-infection-of-neonatal-broiler-chickens-with-variant-ibdv-compared-to-turkey-herpesvirus-hvt-ibdv-vectored-vaccine
#6
Shanika Kurukulasuriya, Khawaja Ashfaque Ahmed, Davor Ojkic, Thushari Gunawardana, Kalhari Goonewardene, Ashish Gupta, Betty Chow-Lockerbie, Shelly Popowich, Philip Willson, Suresh K Tikoo, Susantha Gomis
Chickens are commonly processed around 35-45days of age in broiler chicken industry hence; diseases that occur at a young age are of paramount economic importance. Early age infection with infectious bursal disease virus (IBDV) results in long-lasting immunosuppression and profound economic losses. To our knowledge, this is the first study comparing the protection efficacy of modified live (MdLV) IBDV and herpesvirus turkey (HVT)-IBDV vaccines against early age variant IBDV (varIBDV) infection in chicks. Experiments were carried out in IBDV maternal antibody (MtAb) positive chicks (n=330), divided into 6 groups (n=50-60/group), namely Group 1 (saline), Group 2 (saline+varIBDV), Group 3 (HVT-IBDV), Group 4 (HVT-IBDV+varIBDV), Group 5 (MdLV) and Group 6 (MdLV+varIBDV)...
January 12, 2017: Vaccine
https://www.readbyqxmd.com/read/28089365/gastric-bleeding-risk-following-spleen-preserving-distal-pancreatectomy-with-excision-of-the-splenic-vessels-a%C3%A2-long-term-follow-up
#7
D Louis, A Alassiri, S Kirzin, S Blaye-Felice, M Chalret du Rieu, C H Julio, E Bloom, L Ghouti, B Pradère, G Portier, N Carrère
BACKGROUND: Spleen-preserving distal pancreatectomy with resection of the splenic vessels (VR-SPDP) is an effective procedure. However, hemodynamic changes in splenogastric circulation may lead to the development of gastric varices (GV) with a risk of gastrointestinal (GI) bleeding. This retrospective study aimed to assess the long-term postoperative clinical follow-up of patients and review the late postoperative abdominal computed tomography (CT) or endoscopic examination. METHODS: From 1988 to 2015, 48 consecutive VR-SPDP for benign or low-grade malignant disease were included...
January 12, 2017: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
https://www.readbyqxmd.com/read/28088428/aortic-floating-thrombus-detected-by-computed-tomography-angiography-incidentally-five-cases-and-a-literature-review
#8
Shuyi Yang, Jie Yu, Wenjuan Zeng, Liang Yang, Lin Teng, Yue Cui, Heshui Shi
OBJECTIVE: To analyze the findings of aortic floating thrombus (AFT) on computed tomography angiography (CTA) for a definitive, timely diagnosis and to select a reasonable management course to improve prognosis. METHOD: We retrospectively analyzed imaging findings of 5 patients with AFT detected by CTA, including location, morphology, size, involved aortic segment, concomitant embolism, stent, and dynamic changes during the follow-up. RESULTS: Seven lesions were detected in the initial CTA studies of the 5 patients: 5 aortic intraluminal floating thrombi (3 patients) and 2 aortic in-stents floating thrombi (ASFTs; 2 patients)...
December 22, 2016: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28088324/protective-effect-of-sugar-cane-extract-against-dextran-sulfate-sodium-induced-colonic-inflammation-in-mice
#9
Bin Wang, Yansen Li, Masami Mizu, Toma Furuta, ChunMei Li
Sugar cane extract (SCE) exhibits various biological effects and has been reported to enhance animal growth performance. However, the effect of SCE on inflammation in animals is still obscure. To study the effects and underlying mechanism of SCE on dextran sulfate sodium (DSS)-induced colonic inflammation, forty female ICR mice (26.63±0.19g, 6-week-old) were assigned into four groups: a control group (Cont), a DSS-challenged group (DSS), a SCE-supplemented group (SCE), and a DSS+SCE group (DSS+SCE). Mice in Cont group and DSS group were fed basic diet and other mice received 1% SCE supplemented in basic diet from 6-week to 8-week-old...
December 26, 2016: Tissue & Cell
https://www.readbyqxmd.com/read/28087391/clonal-cytogenetic-abnormalities-are-predictor-in-developing-non-hodgkin-lymphomas
#10
Ying Wang, Yi Xiao, Xiangyu Meng, Heng Zhang, Qinlu Li, Fankai Meng, Lifang Huang, Chunrui Li, Jianfeng Zhou
Pathological analysis is the cornerstone for diagnosing malignant lymphoma. Status of cytogenetic abnormalities is frequently left unexamined if no evidence of malignancy is found in pathological analysis. In this study, we presented 3 cases in which clonal cytogenetic abnormalities were detected but morphological alterations of the same tissue did not support malignant non Hodgkin lymphoma at the first lymph node biopsy. Case 1 is a 55-year-old female with lymphadenopathy neoplastic process confirmed by flow cytometry and polymerase chain reaction (PCR)...
January 10, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28077481/splenomegaly-in-the-returning-traveller-a-diagnostic-workup
#11
Priya Umesh Patel, Padmini Sastry, Muhammad Jawad
Isolated splenomegaly is an unusual condition encompassing a broad range of diagnoses. We report a case of a 38-year-old Asian man who presented with insidious abdominal discomfort and night sweats following recent travel to India. Massive splenomegaly was the only prominent feature on clinical examination and on subsequent imaging. Extensive investigations were performed, ultimately resulting in transfer to a tertiary centre for definitive diagnosis via a splenic biopsy. A fine-needle aspiration was performed, and revealed diffuse large B-cell lymphoma (DLBCL)...
January 11, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28077081/antigen-presenting-capacity-of-murine-splenic-myeloid-cells
#12
Ying-Ying Hey, Benjamin Quah, Helen C O'Neill
BACKGROUND: The spleen is an important site for hematopoiesis. It supports development of myeloid cells from bone marrow-derived precursors entering from blood. Myeloid subsets in spleen are not well characterised although dendritic cell (DC) subsets are clearly defined in terms of phenotype, development and functional role. Recently a novel dendritic-like cell type in spleen named 'L-DC' was distinguished from other known dendritic and myeloid cells by its distinct phenotype and developmental origin...
January 11, 2017: BMC Immunology
https://www.readbyqxmd.com/read/28075471/alterations-in-splenic-function-and-gene-expression-in-mice-with-depressive-like-behavior-induced-by-exposure-to-corticosterone
#13
Heqin Zhan, Feng Huang, Fulin Yan, Zhenghang Zhao, Jixia Zhang, Taizhen Cui, Fan Yang, Guangfan Hai, Xiaoman Jia, Yongji Shi
Depressed patients present with increased cortisol levels and attenuated immune responses. However, little is known about the association between depression and the spleen, as this is the largest peripheral immune organ. In this study, we examined alterations in splenic function and gene expression in mice with depressive-like behavior, well as the expression of certain proteins in related pathways. A mouse model of depression was established with the use of corticosterone. Splenic function and histopathology were assessed using Wright and H&E staining...
February 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28075380/splenic-immune-response-is-down-regulated-in-c57bl-6j-mice-fed-eicosapentaenoic-acid-and-docosahexaenoic-acid-enriched-high-fat-diet
#14
Nikul K Soni, Alastair B Ross, Nathalie Scheers, Otto I Savolainen, Intawat Nookaew, Britt G Gabrielsson, Ann-Sofie Sandberg
Dietary n-3 fatty acids eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) are associated with reduction of inflammation, although the mechanisms are poorly understood, especially how the spleen, as a secondary lymphoid organ, is involved. To investigate the effects of EPA and DHA on spleen gene expression, male C57BL/6J mice were fed high fat diets (HFD) differing in fatty acid composition, either based on corn oil (HFD-CO), or CO enriched with 2 g/100 g EPA and DHA (HFD-ED), for eight weeks. Spleen tissue was analyzed using transcriptomics and for fatty acids profiling...
January 10, 2017: Nutrients
https://www.readbyqxmd.com/read/28070200/the-risk-of-hepatocellular-carcinoma-after-directly-acting-antivirals-for-hepatitis-c-virus-treatment-in-liver-transplanted-patients-is-it-real
#15
Alessio Strazzulla, Rosa Maria Rita Iemmolo, Ennio Carbone, Maria Concetta Postorino, Maria Mazzitelli, Mario De Santis, Fabrizio Di Benedetto, Costanza Maria Cristiani, Chiara Costa, Vincenzo Pisani, Carlo Torti
INTRODUCTION: Since directly acting antivirals (DAAs) for treatment of hepatitis C virus (HCV) were introduced, conflicting data emerged about the risk of hepatocellular carcinoma (HCC) after interferon (IFN)-free treatments. We present a case of recurrent, extra-hepatic HCC in a liver-transplanted patient soon after successful treatment with DAAs, along with a short review of literature. CASE PRESENTATION: In 2010, a 53-year old man, affected by chronic HCV (genotype 1) infection and decompensated cirrhosis, underwent liver resection for HCC and subsequently received orthotopic liver transplantation...
November 2016: Hepatitis Monthly
https://www.readbyqxmd.com/read/28069605/splenic-diffuse-red-pulp-small-b-cell-lymphoma-displays-increased-expression-of-cyclin-d3-and-recurrent-ccnd3-mutations
#16
Soraya Curiel-Olmo, Rufino Mondejar, Carmen Almaraz, Manuela Mollejo, Laura Cereceda, Roso Marès, Sophia Derdak, Yolanda Campos-Martin, Ana Batlle, Sonia Gonzalez de Villambrosía, Marta Gut, Julie Blanc, Alexandra Traverse-Glehen, Aurelie Verney, Lucile Baseggio, Francisca I Camacho, Andrew Wotherspoon, Kostas Stamatopoulos, Aliki Xochelli, Theodora Papadaki, George Kanellis, Maurilio Ponzoni, Monica Garcia-Cosio, Jose P Vaque, Sergi Beltran, Ivo Gut, Miguel Angel Piris, Nerea Martinez
No abstract text is available yet for this article.
January 9, 2017: Blood
https://www.readbyqxmd.com/read/28069418/splenic-artery-aneurysm-rupture-in-pregnancy
#17
Joshua Jacobson, Chad Gorbatkin, Stacey Good, Scott Sullivan
CASE PRESENTATION: A pregnant woman at 22+5/7weeks gestation presented to the emergency department (ED) from an outpatient clinic, hypotensive after experiencing a syncopal episode. On arrival to the ER she was tachycardic, tachypneic and complaining of abdominal pain. A bedside FAST was performed and noted free fluid in the abdomen. Subsequent CT obtained noted the rare but life-threatening diagnosis of ruptured splenic artery aneurysm that resulted in emergent transfer to the operating room with OB/GYN and general surgery...
December 15, 2016: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28068959/pancreatic-neuroendocrine-tumor-with-metastasis-to-the-spleen-a-case-report
#18
Yasunaru Sakuma, Yoshikazu Yasuda, Naohiro Sata, Yoshinori Hosoya, Atsushi Shimizu, Hirofumi Fujii, Daisuke Matsubara, Noriyuki Fukushima, Atsushi Miki, Misato Maeno, Alan Kawarai Lefor
BACKGROUND: Long-term term survival in patients with pancreatic neuroendocrine tumors has been reported, even in patients with metastatic disease. Metastases to the spleen are extremely rare, but have been reported from a number of primary malignancies, such as breast cancer, lung cancer, melanoma and ovarian cancer. This is the first report of a splenic metastasis from a primary pancreatic neuroendocrine tumor. CASE PRESENTATION: The patient presented as a 53 years old white male with anemia and fatigue...
January 9, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28068693/endoscopic-ultrasound-of-splenic-artery-pseudoaneurysm
#19
Malay Sharma, Piyush Somani, Maryam Al Khatry, Amol Patil
No abstract text is available yet for this article.
February 2017: Endoscopy
https://www.readbyqxmd.com/read/28068240/does-unintentional-splenic-radiation-predict-outcomes-after-pancreatic-cancer-radiation-therapy
#20
Awalpreet S Chadha, Guan Liu, Hsiang-Chun Chen, Prajnan Das, Bruce D Minsky, Usama Mahmood, Marc E Delclos, Yelin Suh, Gabriel O Sawakuchi, Sam Beddar, Matthew H Katz, Jason B Fleming, Milind M Javle, Gauri R Varadhachary, Robert A Wolff, Christopher H Crane, Xuemei Wang, Howard Thames, Sunil Krishnan
PURPOSE: To determine whether severity of lymphopenia is dependent on radiation dose and fractional volume of spleen irradiated unintentionally during definitive chemoradiation (CRT) in patients with locally advanced pancreatic cancer (LAPC). METHODS: 177 patients with LAPC received induction chemotherapy (mainly gemcitabine-based regimens) followed by CRT (median 50.4 Gy with concurrent capecitabine) from January 2006 to December 2012. Absolute lymphocyte count (ALC) was recorded at baseline, before CRT, and 2 to 10 weeks after CRT...
February 1, 2017: International Journal of Radiation Oncology, Biology, Physics
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