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https://www.readbyqxmd.com/read/29225517/intestinally-restricted-janus-kinase-inhibition-a-potential-approach-to-maximize-the-therapeutic-index-in-inflammatory-bowel-disease-therapy
#1
David T Beattie, M Teresa Pulido-Rios, Fei Shen, Melissa Ho, Eva Situ, Pam R Tsuruda, Patrick Brassil, Melanie Kleinschek, Sharath Hegde
Background: An unmet need remains for safe and effective treatments to induce and maintain remission in inflammatory bowel disease (IBD) patients. The Janus kinase (JAK) inhibitor, tofacitinib, has demonstrated robust efficacy in ulcerative colitis patients although, like other systemic immunosuppressants, there may be safety concerns associated with its use. This preclinical study evaluated whether modulating intestinal inflammation via local JAK inhibition can provide efficacy without systemic immunosuppression...
2017: Journal of Inflammation
https://www.readbyqxmd.com/read/29224017/the-il-2-anti-il-2-complex-attenuates-cardiac-ischaemia-reperfusion-injury-through-expansion-of-regulatory-t-cells
#2
Junhui Xiao, Kunwu Yu, Ming Li, Chuanyin Xiong, Yuzhen Wei, Qiutang Zeng
BACKGROUND/AIMS: Regulatory T cells (Tregs) can suppress immunologic damage in myocardial ischaemia/reperfusion injury (MIRI), however, the isolation and ex vivo expansion of these cells for clinical application remains challenging. Here, we investigated whether the IL-2/anti-IL-2 complex (IL-2C), a mediator of Treg expansion, can attenuate MIRI in mice. METHODS: Myocardial I/R was surgically induced in male C57BL/6 mice, aged 8-10 weeks, that were randomly assigned to 1) sham group (Sham), 2) Phosphate Buffered Saline (PBS), 3) IL-2-anti-IL-2 Ab complex (IL-2C), or 4) sham group, 5) PBS, 6) IL-2C after MIRI, or 7) IL-2C, 8) IL-2C+anti-CD25 mAbs, or 9) IL-2C; 10) IL-2C+anti-TGF-β1 mAbs, 11) IL-2C+anti-IL-10 mAbs...
December 7, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29223294/glucocorticoid-hormone-treatment-enhances-the-cytokine-production-of-regulatory-t-cells-by-upregulation-of-foxp3-expression
#3
Emese Ugor, Lilla Prenek, Ramóna Pap, Gergely Berta, Dávid Ernszt, József Najbauer, Péter Németh, Ferenc Boldizsár, Tímea Berki
OBJECTIVE: Despite the fact that glucocorticoids (GC) are important therapeutic tools, their effects on regulatory T cells (Treg) are not well defined. The aim of our work was to investigate how GCs influence in vivo the thymic (tTreg) and peripheral Treg (pTreg) differentiation, survival and cytokine production. METHODS: Tregs were detected with flow cytometry in lymphatic organs of 4-6 weeks old BALB/c mice after repeated (2-4days), high-dose in vivo GC treatment using CD4/CD25 cell surface and Foxp3/IL-10/TGFβ/glucocorticoid receptor (GR) intracellular staining...
October 6, 2017: Immunobiology
https://www.readbyqxmd.com/read/29223287/abdominal-splenosis-usefulness-of-99mtc-phytate-hepato-splenic-scintigraphy-in-the-differential-diagnosis-with-tumor-implantation
#4
Elena Espinosa Muñoz, Ana María Martín García, Diego Ramírez Ocaña, Carmen Puentes Zarzuela
No abstract text is available yet for this article.
December 6, 2017: Cirugía Española
https://www.readbyqxmd.com/read/29222281/improved-biological-insight-and-influence-on-management-in-indolent-lymphoma-talk-3-update-on-nodal-and-splenic-marginal-zone-lymphoma
#5
REVIEW
Catherine Thieblemont
Splenic marginal zone lymphoma (SMZL) and nodal marginal zone lymphoma (NMZL) are rare indolent chronic B-cell lymphomas. Prognosis is typically good with median survival around 10-15 years. Management is generally based on the presence of symptoms or high tumor burden. There are no standard treatments for these 2 entities, and therapeutic strategies are rapidly evolving. Clinical developments for these 2 entities are oriented by genomic studies, with largely overlapping mutational profiles involving the NOTCH, B-cell receptor (BcR) and nuclear factor κB (NF-κB) signaling, chromatin remodeling, and the cytoskeleton...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29222168/altered-marginal-zone-b-cell-selection-in-the-absence-of-i%C3%AE%C2%BAbns
#6
Monika Ádori, Gabriel K Pedersen, Csaba Ádori, Elina Erikson, Sharesta Khoenkhoen, Julian M Stark, Jin Huk Choi, Pia Dosenovic, Mikael C I Karlsson, Bruce Beutler, Gunilla B Karlsson Hedestam
Marginal zone (MZ) B cells reside in the splenic MZ and play important roles in T cell-independent humoral immune responses against blood-borne pathogens. IκBNS-deficient bumble mice exhibit a severe reduction in the MZ B compartment but regain an MZ B population with age and, thus, represent a valuable model to examine the biology of MZ B cells. In this article, we characterized the MZ B cell defect in further detail and investigated the nature of the B cells that appear in the MZ of aged bumble mice. Flow cytometry analysis of the splenic transitional B cell subsets demonstrated that MZ B cell development was blocked at the transitional-1 to transitional-2-MZ precursor stage in the absence of functional IκBNS...
December 8, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29221838/aneurysm-of-the-anomalous-splenic-artery-arising-from-superior-mesenteric-artery-treated-by-coil-embolization-a-report-of-two-cases-and-literature-review
#7
Shui-Lin Dong, Xiao Chen, Zhen-Xiao Tu, Xi Ai, Zhi-Wei Zhang, Yan Guan, Hong Chen, Jun Yang
OBJECTIVE: Aneurysm of splenic artery which arises from the superior mesenteric artery is a very rare condition. The aim of this study was to present our experience with two such patients treated by coil embolization. DESIGN: Case report. METHODS AND RESULTS: A 33-year-old man and a 61-year old woman were incidentally identified with aneurysms of the splenic artery which arose from the superior mesenteric artery. Endovascular therapy of coil embolization was chosen to treat the aneurysm...
December 5, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29221814/use-of-interventional-radiology-as-initial-hemorrhage-control-to-improve-outcomes-for-potentially-lethal-multiple-blunt-injuries
#8
Hiroyuki Otsuka, Toshiki Sato, Keiji Sakurai, Hiromichi Aoki, Takeshi Yamagiwa, Shinichi Iizuka, Sadaki Inokuchi
INTRODUCTION: Recently, trauma management has been markedly improved with interventional radiology (IVR) and damage-control strategies. However, the indications for its use in hemodynamically unstable patients with severe trauma remains unclear. In some cases, IVR may be more effective than surgery for damage-control hemostasis; however, performing IVR in life-threatening trauma settings is challenging. To address this, we practiced and evaluated a trauma-management system with emergency physicians who trained for both severe trauma management, and techniques of surgery and IVR...
December 6, 2017: Injury
https://www.readbyqxmd.com/read/29221152/distal-embolization-versus-combined-embolization-techniques-for-blunt-splenic-injuries-comparison-of-the-efficacy-and-complications
#9
Yon-Cheong Wong, Cheng-Hsien Wu, Li-Jen Wang, Huan-Wu Chen, Kuo-Ching Yuan, Being-Chuan Lin, Yu-Pao Hsu, Shih-Ching Kang
Comparable failure rates of distal or proximal transcatheter arterial embolization (TAE) techniques for blunt splenic injuries have been reported. This study is to investigate the efficacy and complication of combining both TAE techniques. We included 26 patients of blunt splenic injuries for TAE therapy and randomized them into distal TAE and combined TAE groups. A prospective study was performed to compare their demographics, clinical parameters, hemograms, post-TAE splenic infarct volumes, splenic abscess and pancreatitis between the two groups...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29220591/cholinergic-and-cytoprotective-signaling-cascades-mediate-the-mitigative-effect-of-erythropoietin-on-acute-radiation-syndrome
#10
Shereen Mohamed Galal, Mohamed Khairy Abdel-Rafei, Hesham Hasan
The present investigation aimed to evaluate the radiomitigative efficacy of the recombinant human erythropoietin (rhEPO) against acute radiation syndrome (ARS) in a rat model. Rats were irradiated with a single sublethal dose of γ- radiation (7 Gy; total body irradiation; TBI) at the 1st day of experimental course, then received EPO (5000 IU/kg; i.p) 24 hrs post irradiation, rats were observed for 30 days of survival analysis. Administration of EPO improved 30 days survival, alleviated TBI- induced myelosuppression and pancytopenia, by augmenting lymphocytes and WBCs in the peripheral blood of rats, while bone marrow (BM) and spleen cellularity were restored...
December 8, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/29219833/answer-to-photo-quiz-spontaneous-rupture-of-a-splenic-artery-aneurysm-in-a-male-patient
#11
(no author information available yet)
No abstract text is available yet for this article.
October 2017: Netherlands Journal of Medicine
https://www.readbyqxmd.com/read/29219832/spontaneous-rupture-of-a-splenic-artery-aneurysm-in-a-male-patient
#12
I Dakovic Bacalja, D Koprek, P Pavic, I Cvjetko, K Krpina, D Diklic
No abstract text is available yet for this article.
October 2017: Netherlands Journal of Medicine
https://www.readbyqxmd.com/read/29218653/differential-diagnosis-of-pancreatic-epidermoid-cyst-without-a-solid-component-residual-splenic-tissue-vs-mucinous-cystic-neoplasm
#13
Kousei Ishigami, Akihiro Nishie, Hiroyuki Irie, Yoshiki Asayama, Yasuhiro Ushijima, Yukihisa Takayama, Daisule Okamoto, Nobuhiro Fujita, Takao Ohtsuka, Tetsuhide Ito, Naoki Mochidome, Hiroshi Honda
PURPOSE: The purpose of this study was to clarify whether there are differences in imaging findings between pancreatic epidermoid cyst (EDC) without a solid component (residual splenic tissue) and mucinous cystic neoplasm (MCN). MATERIALS AND METHODS: The study group consisted of histologically proven EDC (eight cases) and MCN (20 cases). CT and MRI findings were compared on the following imaging findings: the shape of the cystic lesions and the presence or absence of septum, calcification, and high-intensity fluid on T1- and diffusion-weighted images (b factor = 1000)...
December 7, 2017: Journal of Gastrointestinal Cancer
https://www.readbyqxmd.com/read/29218051/sphingosine-1-phosphate-and-c-c-chemokine-receptor-2-dependent-activation-of-cd4-plasmacytoid-dendritic-cells-in-the-bone-marrow-contributes-to-signs-of-sepsis-induced-immunosuppression
#14
Anna Smirnov, Stephanie Pohlmann, Melanie Nehring, Shafaqat Ali, Ritu Mann-Nüttel, Stefanie Scheu, Anne-Charlotte Antoni, Wiebke Hansen, Manuela Büettner, Miriam J Gardiasch, Astrid M Westendorf, Florian Wirsdörfer, Eva Pastille, Marcel Dudda, Stefanie B Flohé
Sepsis is the dysregulated response of the host to systemic, mostly bacterial infection, and is associated with an enhanced susceptibility to life-threatening opportunistic infections. During polymicrobial sepsis, dendritic cells (DCs) secrete enhanced levels of interleukin (IL) 10 due to an altered differentiation in the bone marrow and contribute to the development of immunosuppression. We investigated the origin of the altered DC differentiation using murine cecal ligation and puncture (CLP), a model for human polymicrobial sepsis...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29217889/spontaneous-splenic-haematoma-in-a-patient-on-hemodialysis-a-case-report
#15
J Pandiaraja
Spontaneous splenic hematoma is one of the rare and life-threatening complications of chronic renal failure. The diagnosis of splenic hematoma is mostly made by imaging such as ultrasound or computed tomography. The management of spontaneous splenic hematoma is not standardized till now due to the rarity of this condition. Splenectomy is recommended in hemodynamically unstable patients with features of shock. This is a case report of spontaneous splenic hematoma in a patient with chronic renal failure. This case is reported due to the rarity with renal failure...
November 2017: Indian Journal of Nephrology
https://www.readbyqxmd.com/read/29217335/rivaroxaban-and-apixaban-for-initial-treatment-of-acute-venous-thromboembolism-of-atypical-location
#16
Dawid T Janczak, Malgorzata K Mimier, Robert D McBane, Patrick S Kamath, Benjamin S Simmons, Dalene M Bott-Kitslaar, Charles J Lenz, Emily R Vargas, David O Hodge, Waldemar E Wysokinski
OBJECTIVES: To assess the outcome of direct oral anticoagulants (DOACs), specifically Xa inhibitors: rivaroxaban and apixaban, for the treatment of venous thromboembolism (VTE) of atypical location (VTE-AL), portal, mesenteric, hepatic, splenic, gonadal, renal, and cerebral veins, prospectively collected data of Mayo Thrombophilia Clinic Registry were used. METHODS: Patients with acute VTE-AL treated with DOACs, enrolled between March 1, 2013, and February 1, 2017, were compared with patients with VTE of typical location (VTE-TL: deep vein thrombosis of extremities and/or pulmonary embolism) receiving DOACs and with patients with VTE-AL treated with enoxaparin...
December 4, 2017: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/29216931/vista-deficiency-attenuates-antibody-induced-arthritis-and-alters-macrophage-gene-expression-in-response-to-simulated-immune-complexes
#17
Sabrina Ceeraz, Susan K Eszterhas, Petra A Sergent, David A Armstrong, Alix Ashare, Thomas Broughton, Li Wang, Dov Pechenick, Christopher M Burns, Randolph J Noelle, Matthew P Vincenti, Roy A Fava
BACKGROUND: In addition to activated T cells, the immune checkpoint inhibitor "V domain-containing Ig suppressor of T-cell activation" (VISTA) is expressed by myeloid cell types, including macrophages and neutrophils. The importance of VISTA expression by myeloid cells to antibody-induced arthritis and its potential for relevance in human disease was evaluated. METHODS: VISTA was immunolocalized in normal and arthritic human synovial tissue sections and synovial tissue lysates were subjected to western blot analysis...
December 8, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/29215459/complete-b-cell-deficiency-reduces-allograft-inflammation-and-intragraft-macrophages-a-rat-kidney-transplant-model
#18
Sarah E Panzer, Nancy A Wilson, Bret M Verhoven, Ding Xiang, C Dustin Rubinstein, Robert R Redfield, Weixiong Zhong, Shannon R Reese
BACKGROUND: Increasingly it is being appreciated that B cells have broad roles beyond the humoral response, and are able to contribute to and regulate inflammation. The specific role of B cells in the pathogenesis of early allograft inflammation remains unclear. METHODS: To address this question, we generated B cell deficient Lewis rats via CRISPR technology. In a full mismatch transplant model, kidneys from Brown Norway donors were transplanted into B cell deficient Lewis recipients (B) or wild type Lewis recipients...
December 5, 2017: Transplantation
https://www.readbyqxmd.com/read/29215298/echinacea-purpurea-protects-against-restraint-stress-induced-immunosuppression-in-balb-c-mice
#19
Seonyoung Park, Mak-Soon Lee, Sunyoon Jung, Seohyun Lee, Oran Kwon, Matthias Heinrich Kreuter, Tania Perrinjaquet-Moccetti, Bokkee Min, Seong Ho Yun, Yangha Kim
Echinacea purpurea has been widely used for the prevention and treatment of upper respiratory tract infections and the common cold. The restraint stress has been reported to suppress a broad spectrum of immune functions. The aim of this study was to investigate the protective effects of the pressed juice of E. purpurea (L.) Moench (EFLA®894; Echinacea) against restraint stress-induced immunosuppression in BALB/c mice. Echinacea significantly normalized the restraint stress-induced reduction in splenocyte proliferation and splenic natural killer (NK) cell activity (P < ...
December 7, 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/29213172/spontaneous-splenic-rupture-in-typhomalaria-a-case-report-with-review-of-literature
#20
Sunil Malik, Sonal Saran, Sarabpreet Singh Kanwar
Plasmodium vivax, which was previously considered 'benign', has come out with unusual severe symptoms. We, here present an unusual case of Plasmodium vivax malaria presenting with spontaneous splenic rupture with hemoperitoneum, renal and pulmonary dysfunction. Following conservative management, there was an uneventful recovery, and the patient was discharged in a good general condition.
2017: Sudanese Journal of Paediatrics
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