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Interleukin-2

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https://www.readbyqxmd.com/read/28634419/elevated-plasma-levels-of-sil-2r-in-complex-regional-pain-syndrome-a-pathogenic-role-for-t-lymphocytes
#1
Krishna D Bharwani, Maaike Dirckx, Dirk L Stronks, Willem A Dik, Marco W J Schreurs, Frank J P M Huygen
The immune system has long been thought to be involved in the pathophysiology of complex regional pain syndrome (CRPS). However, not much is known about the role of the immune system and specifically T-cells in the onset and maintenance of this disease. In this study, we aimed to evaluate T-cell activity in CRPS by comparing blood soluble interleukin-2 receptor (sIL-2R) levels between CRPS patients and healthy controls. CRPS patients had statistically significant elevated levels of sIL-2R as compared to healthy controls (median sIL-2R levels: 4151 pg/ml (Q3 - Q1 = 5731 pg/ml - 3546 pg/ml) versus 1907 pg/ml (Q3 - Q1: 2206 pg/ml - 1374 pg/ml), p < 0...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28631356/immune-tolerance-effect-in-mesenteric-lymph-node-lymphocytes-of-geniposide-on-adjuvant-arthritis-rats
#2
Zheng-Rong Zhang, Hong Wu, Rong Wang, Shu-Ping Li, Li Dai, Wen-Yu Wang
Rheumatoid arthritis (RA) is a systemic, Th1 cytokine-predominant autoimmune disease result in a chronic and inflammatory disorder. Geniposide (GE), an iridoid glycoside compound that is purified from Gardenia jasminoides Ellis, has antiinflammatory and other immunoregulatory effects, but its exact mechanism of actions on RA is unknown. The aim of this study was to elucidate antiinflammation effects of GE on adjuvant arthritis (AA) rats and its possible immune tolerance mechanisms. Male Sprague-Dawley rats were administered with GE (30, 60, and 120 mg/kg) orally from day 17 to 24 after immunization...
June 19, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28631270/comparison-of-in-vivo-toxicity-antioxidant-and-immunomodulatory-activities-of-coconut-nipah-and-pineapple-juice-vinegars
#3
Nurul Elyani Mohamad, Swee KeongYeap, Boon Keen Beh, Muhammad Firdaus Romli, Hamidah Mohd Yusof, Ye Wen Kristeen-Teo, Shaiful Adzni Sharifuddin, Kamariah Long, Noorjahan Banu Alitheen
BACKGROUND: Vinegar is widely used as a food additive, in food preparation and as a food supplement. This study compared the phenolic acid profiles and in vivo toxicities, and antioxidant and immunomodulatory effects of coconut, nipah and pineapple juice vinegars, which were respectively prepared via a two-step fermentation using Saccharomyces cerevisiae 7013 INRA and Acetobacter aceti vat Europeans. RESULTS: Pineapple juice vinegar, which had the highest total phenolic acid content, also exhibited the greatest in vitro antioxidant capacity compared to coconut juice and nipah juice vinegars...
June 20, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28630063/listeria-vectored-vaccine-expressing-the-mycobacterium-tuberculosis-30-kda-major-secretory-protein-via-the-constitutively-active-prfa-regulon-boosts-bcg-efficacy-against-tuberculosis
#4
Qingmei Jia, Barbara Jane Dillon, Saša Masleša-Galić, Marcus A Horwitz
A potent vaccine against tuberculosis, one of the world's deadliest diseases, is needed to enhance the immunity of people worldwide, most of whom have been vaccinated with the partially effective BCG vaccine. Here we investigate novel live attenuated recombinant Listeria monocytogenes (rLm) vaccines expressing the Mycobacterium tuberculosis (Mtb) 30 kDa major secretory protein (r30/Ag85B) (rLm30) as heterologous booster vaccines in animals primed with BCG. Using three attenuated Lm vectors, rLm ΔactA (LmI), rLm ΔactA ΔinlB (LmII), and rLm ΔactA ΔinlBprfA* (LmIII), we constructed five rLm30 vaccine candidates expressing the r30 linked in-frame to the Lm Listeriolycin O signal sequence and driven by the hly promoter (h30) or linked in-frame to the ActA N-terminus and driven by the actA promoter (a30)...
June 19, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28621122/the-intralesional-interleukin-2-is-an-adequate-palliative-treatment-in-cutaneous-metastases-of-melanoma
#5
Diana Menis, Veronica Monsalvez-Honrubia, Lidia Maroñas-Jiménez, Carlos Morales-Raya, Pablo L Ortiz-Romero
No abstract text is available yet for this article.
August 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/28620578/surgical-management-of-advanced-and-metastatic-renal-cell-carcinoma-a-multidisciplinary-approach
#6
REVIEW
Brian M Shinder, Kevin Rhee, Douglas Farrell, Nicholas J Farber, Mark N Stein, Thomas L Jang, Eric A Singer
The past decade has seen a rapid proliferation in the number and types of systemic therapies available for renal cell carcinoma. However, surgery remains an integral component of the therapeutic armamentarium for advanced and metastatic kidney cancer. Cytoreductive surgery followed by adjuvant cytokine-based immunotherapy (predominantly high-dose interleukin 2) has largely given way to systemic-targeted therapies. Metastasectomy also has a role in carefully selected patients. Additionally, neoadjuvant systemic therapy may increase the feasibility of resecting the primary tumor, which may be beneficial for patients with locally advanced or metastatic disease...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28619384/risk-stratification-to-determine-the-impact-of-induction-therapy-on-survival-rejection-and-adverse-events-after-pediatric-heart-transplant-a-multi-institutional-study
#7
Chesney Castleberry, Elizabeth Pruitt, Rebecca Ameduri, Kenneth Schowengerdt, Erik Edens, Nancy Hagin, James K Kirklin, David Naftel, Simon Urschel
BACKGROUND: Induction therapy is increasingly being used in pediatric heart transplantation. General versus risk-adapted use remains controversial. We aimed to determine the impact of induction therapy on outcomes after stratifying patients by diagnosis and risk. METHODS: The Pediatric Heart Transplant Study (PHTS) database was used to identify patients (age ≤18 years) who underwent transplantation between January 1, 2001 and December 31, 2014. Patients were excluded if they survived <48 hours or received multiple induction agents...
May 11, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28618867/human-articular-chondrocytes-induce-interleukin-2-nonresponsiveness-to-allogeneic-lymphocytes
#8
Satomi Abe, Hitoshi Nochi, Hiroshi Ito
Introduction We previously showed that articular chondrocytes (ACs) have immune privilege and immunomodulatory functions like those of mesenchymal stem cells. To elucidate these mechanisms, we focused on interleukin-2 (IL-2), which plays critical roles in lymphocyte mitogenic activity. The purpose of this study was to explore whether ACs affect the role of IL-2 underlying immunomodulatory functions. Material and Methods Irradiated human ACs from osteoarthritis donors were used. Third-party ACs were added to the mixed lymphocyte reaction (MLR) with or without recombinant human IL-2 (rhIL-2), and the levels of IL-2 and the soluble form of the IL-2 receptor α (sIL-2Rα) protein in supernatant were measured by enzyme-linked immunosorbent assay...
July 2017: Cartilage
https://www.readbyqxmd.com/read/28618355/chemical-constituents-from-the-fruits-of-ligustrum-japonicum-and-their-inhibitory-effects-on-t-cell-activation
#9
Quynh-Mai Thi Ngo, Hyun-Su Lee, Van Thu Nguyen, Jeong Ah Kim, Mi Hee Woo, Byung Sun Min
A previously undescribed nor-dammarane, 3β,20,23-trihydroxy-24,25,26,27-tetranordammarane; three previously undescribed secoiridoid glycosides, ligujaponosides A-B, and iso-oleonuzhenide; and twenty three known compounds, were isolated from the fruits of Ligustrum japonicum Thunb. Their chemical structures were elucidated by extensive spectroscopic analyses, including 1D and 2D NMR, and HRMS. The isolated compounds were screened for immunosuppressive effects on T activated cells by evaluating interleukin-2 (IL-2) production...
June 12, 2017: Phytochemistry
https://www.readbyqxmd.com/read/28615927/p-tsa-promoted-syntheses-of-5h-benzo-h-thiazolo-2-3-b-quinazoline-and-indeno-1-2-d-thiazolo-3-2-a-pyrimidine-analogs-molecular-modeling-and-in-vitro-antitumor-activity-against-hepatocellular-carcinoma
#10
Amit K Keshari, Ashok K Singh, Vinit Raj, Amit Rai, Prakruti Trivedi, Balaram Ghosh, Umesh Kumar, Atul Rawat, Dinesh Kumar, Sudipta Saha
In our efforts to address the rising incidence of hepatocellular carcinoma (HCC), we have made a commitment to the synthesis of novel molecules to combat Hep-G2 cells. A facile and highly efficient one-pot, multicomponent reaction has been successfully devised utilizing a p-toluenesulfonic acid (p-TSA)-catalyzed domino Knoevenagel/Michael/intramolecular cyclization approach for the synthesis of novel 5H-benzo[h]thiazolo[2,3-b]quinazoline and indeno[1,2-d] thiazolo[3,2-a]pyrimidine analogs bearing a bridgehead nitrogen atom...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28614908/adenoviral-production-of-interleukin-2-at-the-tumor-site-removes-the-need-for-systemic-postconditioning-in-adoptive-cell-therapy
#11
Joao Manuel Santos, Riikka Havunen, Mikko Siurala, Víctor Cervera-Carrascon, Siri Tähtinen, Suvi Sorsa, Marjukka Anttila, Pauliina Karell, Anna Kanerva, Akseli Hemminki
Systemic high-dose interleukin-2 (IL-2) postconditioning has long been utilized in boosting the efficacy of T cells in adoptive cell therapy (ACT) of solid tumors. The resulting severe off-target toxicity of these regimens renders local production at the tumor an attractive concept with possible safety gains. We evaluated the efficacy and safety of intratumorally administered IL-2-coding adenoviruses in combination with tumor-infiltrating lymphocyte therapy in syngeneic Syrian hamsters bearing HapT1 pancreatic tumors and with T cell receptor transgenic ACT in B16...
June 14, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28612433/musculin-inhibits-human-t-helper-17-cell-response-to-interleukin-2-by-controlling-stat5b-activity
#12
Veronica Santarlasci, Alessio Mazzoni, Manuela Capone, Maria Caterina Rossi, Laura Maggi, Gianni Montaini, Beatrice Rossettini, Rolando Cimaz, Matteo Ramazzotti, Giusi Barra, Raffaele De Palma, Enrico Maggi, Francesco Liotta, Lorenzo Cosmi, Sergio Romagnani, Francesco Annunziato
We recently demonstrated that human T helper (Th) 17 cells, unlike Th1 cells, do not proliferate in response to T-cell receptor stimulation, mainly because of their reduced capacity to produce and respond to IL-2. In this study we show that their lower responsiveness to IL-2 is due to the selective expression of Musculin (MSC), a member of the basic helix-loop-helix transcription factors. We show that MSC expression in human Th17 cells is retinoic acid orphan receptor (ROR)γt-dependent, and allows the up-regulation of PPP2R2B, a regulatory member of the protein phosphatase 2A (PP2A) enzyme...
June 14, 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/28605323/a-king-bolete-boletus-edulis-agaricomycetes-rna-fraction-stimulates-proliferation-and-cytotoxicity-of-natural-killer-cells-against-myelogenous-leukemia-cells
#13
Marta Kinga Lemieszek, Fernando Herminio Ferreira Milheiro Nunes, Katarzyna Sawa-Wejksza, Wojciech Rzeski
Numerous studies indicate the crucial role of natural killer (NK) cells in the prevention of tumor growth and inhibition of their metastasis, which suggests the possibility of their use in cancer treatment. This therapeutic strategy required finding a selective NK cell stimulator that, upon administration, did not disturb organism homeostasis, unlike natural activators (interleukin-2 or interleukin-12). Because the majority of anticancer agents derived from Basidiomycetes are able to stimulate lymphocytes, we describe the influence of Boletus edulis RNA on a human NK cell line (NK92)...
2017: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/28604143/combinatorial-antitumor-effects-of-indoleamine-2-3-dioxygenase-inhibitor-nlg919-and-paclitaxel-in-a-murine-b16-f10-melanoma-model
#14
Xiangjing Meng, Guangying Du, Liang Ye, Shanyue Sun, Qiaofeng Liu, Hongbo Wang, Wenyan Wang, Zimei Wu, Jingwei Tian
Indoleamine 2,3-dioxygenase (IDO) is involved in tumor immune escape and resistance to chemotherapy, and is clinically correlated with tumor progression. IDO inhibitors show marginal efficacy as single agents; therefore, combinations of these inhibitors with other therapies hold promise for cancer therapy. The aim of this study was to investigate the synergistic antitumor effects of IDO inhibitor NLG919 in combination with different regimens of paclitaxel in a murine B16-F10 melanoma model. NLG919 increased the cytotoxic activity of paclitaxel toward B16-F10 cells in the presence of pretreatment with interferon (IFN)-γ in vitro...
June 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/28598872/many-faces-of-neurosarcoidosis-from-chronic-meningitis-to-myelopathy
#15
Daan Fritz, Mareye Voortman, Diederik van de Beek, Marjolein Drent, Matthijs C Brouwer
PURPOSE OF REVIEW: Neurosarcoidosis occurs in 5% of patients with sarcoidosis and can be difficult to diagnose. In this review we discuss the most recent advances in our understanding of the disease, describing clinical characteristics, diagnostic process, treatment, and prognosis. RECENT FINDINGS: Clinical presentation is heterogeneous with most patients presenting with cranial nerve palsy, headache, or sensory abnormalities. Patients are classified according to probability of the diagnosis with the Zajicek criteria...
June 8, 2017: Current Opinion in Pulmonary Medicine
https://www.readbyqxmd.com/read/28598589/creating-a-biomimetic-microenvironment-for-the-ex-vivo-expansion-of-primary-human-t-lymphocytes
#16
Valérie Jérôme, Melanie Werner, Patrick Kaiser, Ruth Freitag
The ex vivo expansion of primary human T cells is of considerable interest. Current protocols call for the addition of massive amounts of stimuli. This study presents as alternative the expansion of such cells in semipermeable sodium cellulose sulfate/poly(diallyldimethyl) ammonium chloride (SCS/PDADMAC) polyelectrolyte microcapsules, which supports at least six cell divisions and results in >40 × 10(6) cells mLcapsule(-1) within less than 10 d. Inside the microcapsules, the T cells are suspended in a viscous SCS-solution...
June 9, 2017: Macromolecular Bioscience
https://www.readbyqxmd.com/read/28588778/rexin-g-%C3%A2-a-tumor-targeted-retrovector-for-malignant-peripheral-nerve-sheath-tumor-a-case-report
#17
Seth Kim, Noah Federman, Erlinda M Gordon, Frederick L Hall, Sant P Chawla
Soft tissue sarcoma is a rare neoplasm of mesenchymal origin, accounting for only ~1% of all adult cancers and consisting of 75 histological subtypes. In the present report, the unique case of a 14 year-old female with metastatic malignant peripheral nerve sheath tumor (formerly, malignant melanotic schwannoma) of the parotid gland, who experienced a durable response and sustained tumor control with Rexin-G(®), a tumor-targeted retroviral expression vector encoding an anti-cyclin G1 construct, is described...
June 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28587342/experimental-study-of-the-anti-atherosclerotic-effect-of-demethylzeylasteral
#18
Ying Huang, Shaofeng Wang, Chunya Zhang, Zhiqing Xu, Jinghua Shen, Xiaogang Du, Huanhua Zhang, Kangjian Zhang, Daifu Zhang
This study aimed to confirm that atherosclerosis (AS) is a systemic immune-mediated chronic inflammatory disease and to investigate the anti-atherosclerotic effect of demethylzeylasteral by testing the immunocompetent cells and inflammatory mediators in the blood and atherosclerotic plaques of the rabbit model of AS. For this purpose, 60 male New Zealand white rabbits were given 150 g high-fat diet (1% cholesterol, 5% lard, and 15% egg yolk powder) daily for a total of 90 days. On day 61, the rabbits were randomly divided into the saline group (n=15), the rosuvastatin group (n=15), the low-dose demethylzeylasteral group (n=15), and the high-dose demethylzeylasteral group (n=15)...
June 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28586006/butein-inhibits-nf-%C3%AE%C2%BAb-ap-1-and-akt-activation-in-adult-t-cell-leukemia-lymphoma
#19
Chie Ishikawa, Masachika Senba, Naoki Mori
Human T-cell leukemia virus type 1 (HTLV-1) is the causative agent of adult T-cell leukemia/lymphoma (ATLL) but there is no effective treatment for HTLV-1-associated diseases. Herein, we determined the effect of butein, a bioactive plant polyphenol, on cell growth, apoptosis and signaling pathways in HTLV-1-infected T-cell lines and on tumor growth in SCID mice. Treatment with butein caused a decrease in viability of HTLV-1-infected T-cell lines. T cells cultured with butein showed obvious apoptosis morphology, and cleavage of poly(ADP-ribose) polymerase with activation of caspase-3, -8 and -9...
June 2, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28585613/-immunotherapy-of-renal-cell-cancer
#20
Lajos Géczi, Krisztián Nagyiványi, Anikó Maráz
The authors briefly highlight the results of targeted therapy and present new solutions in kidney cancer immunotherapy. The important checkpoint inhibitors (anti-CTLA-4, -PD-1 and -PD-L1/2) and their combinations, together with the combinations of targeted drugs and immunotherapy are discussed. The newest checkpoint agents, vaccination and pegylated interleukin-2 are also presented. The most promising clinical trials (CheckMate-025, AGS-003, IMA 901) and the on-going first line phase III trials are shown in metastatic clear cell renal carcinoma...
June 6, 2017: Magyar Onkologia
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