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International Journal of Immunopathology and Pharmacology

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https://www.readbyqxmd.com/read/29140156/conditioned-medium-from-human-gingival-mesenchymal-stem-cells-protects-motor-neuron-like-nsc-34-cells-against-scratch-injury-induced-cell-death
#1
Thangavelu Soundara Rajan, Francesca Diomede, Placido Bramanti, Oriana Trubiani, Emanuela Mazzon
Neuronal cell death is a normal process during central nervous system (CNS) development and is also involved in the death of motor neurons in diverse spinal motor neuron degenerative diseases. Here, we investigated the neuroprotective effect of secretory factors released from human gingival mesenchymal stem cells (hGMSCs) in mechanically injured murine motor-neuron-like NSC-34 cells. The cells were exposed to scratch injury and the markers for apoptosis and oxidative stress were examined. Immunocytochemistry results showed that proapoptotic markers cleaved caspase-3 and Bax were elevated while anti-apoptotic protein Bcl-2 was suppressed in scratch-injured NSC-34 cells...
November 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/29087224/sevoflurane-modulates-the-release-of-reactive-oxygen-species-myeloperoxidase-and-elastase-in-human-whole-blood-effects-of-different-stimuli-on-neutrophil-response-to-volatile-anesthetic-in-vitro
#2
Grégory Minguet, Thierry Franck, Jean Joris, Didier Serteyn
Volatile anesthetics have been shown to modulate polymorphonuclear neutrophil (PMN) functions. The aim of this study was to examine the impact of clinically relevant concentrations of sevoflurane (SEVO), a volatile anesthetic, on the release of reactive oxygen species (ROS), myeloperoxidase (MPO), and elastase (EL) from human activated PMNs. For this purpose, samples of whole blood were collected from healthy volunteers and exposed in vitro to 2.3% or 4.6% SEVO in air. To assess for a stimulus-dependent effect of the volatile anesthetic, PMNs were activated using different validated protocols...
October 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/29048238/superiority-of-a-vitamin-b12-containing-emollient-compared-to-a-standard-emollient-in-the-maintenance-treatment-of-mild-to-moderate-plaque-psoriasis
#3
Ester Del Duca, Francesca Farnetani, Nathalie De Carvalho, Ugo Bottoni, Giovanni Pellacani, Steven P Nisticò
Psoriasis is a chronic inflammatory skin disease affecting 2%-3% of the population. The wide range of drugs currently available for its treatment could be associated, in the long term, with organ toxicity and adverse events, thus, clinical monitoring throughout treatment is required. This investigator-initiated trial (IIT) evaluated the efficacy and the safety of a vitamin B12-containing ointment in comparison with glycerol-petrolatum-based emollient cream used twice a day to treat mild-to-moderate plaque psoriasis for a period over 12 weeks followed by a wash-out observation period of 4 weeks...
October 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/28994628/effects-of-total-flavonoids-of-sea-buckthorn-hippophae-rhamnoides-l-on-cytotoxicity-of-nk92-mi-cells
#4
Diandong Hou, Decheng Wang, Xiande Ma, Wenna Chen, Shengnan Guo, Hongquan Guan
Sea buckthorn ( Hippophae rhamnoides L.) has multifarious medicinal properties including immunoregulatory effect. The total flavonoids of Hippophae rhamnoides L. (TFH) are the main active components isolated from berries of sea buckthorn. The aim of this study was to evaluate the effects of TFH on the cytotoxicity of NK92-MI cells and its possible mechanisms. NK92-MI cells were treated with TFH (2.5 or 5.0 mg/L) or phosphate-buffered saline (PBS) for 24 h, the cytotoxicity against K562 was detected by measuring the release of lactate dehydrogenase (LDH), expression levels of NCRs (NKp30, NKp44, NKp46) and NKG2D were detected by flow cytometry, and expression levels of perforin and granzyme B were detected by western blot...
October 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/28988508/immunological-effects-of-everolimus-in-patients-with-metastatic-renal-cell-cancer
#5
Charlotte M Huijts, Saskia J Santegoets, Tamarah D de Jong, Henk M Verheul, Tanja D de Gruijl, Hans J van der Vliet
The mammalian target of rapamycin (mTOR) is a crucial kinase present in all cells. Besides its role in the regulation of cell-growth, proliferation, angiogenesis, and survival of malignant tumors, mTOR additionally plays an important role in immune regulation by controlling the balance between effector T cells and regulatory T cells (Tregs). This critically affects the suppressive state of the immune system. Here, the systemic immunological effects of everolimus treatment were comprehensively investigated in five patients with metastatic renal cell cancer...
October 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/28976240/hsp60-activity-on-human-bronchial-epithelial-cells
#6
Claudia Sangiorgi, Davide Vallese, Isabella Gnemmi, Fabio Bucchieri, Bruno Balbi, Paola Brun, Angelo Leone, Andrea Giordano, Everly Conway de Macario, Alberto Jl Macario, Francesco Cappello, Antonino Di Stefano
HSP60 has been implicated in chronic inflammatory disease pathogenesis, including chronic obstructive pulmonary disease (COPD), but the mechanisms by which this chaperonin would act are poorly understood. A number of studies suggest a role for extracellular HSP60, since it can be secreted from cells and bind Toll-like receptors; however, the effects of this stimulation have never been extensively studied. We investigated the effects (pro- or anti-inflammatory) of HSP60 in human bronchial epithelial cells (16-HBE) alone and in comparison with oxidative, inflammatory, or bacterial challenges...
October 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/28934901/association-of-ugt2b7-polymorphisms-with-risk-of-induced-liver-injury-by-anti-tuberculosis-drugs-in-chinese-han
#7
Guo Chen, Shou-Quan Wu, Mei Feng, Yu Wang, Jing-Can Wu, Gui-Yi Ji, Miao-Miao Zhang, Qian-Qian Liu, Jian-Qing He
Anti-tuberculosis drug-induced liver injury (ATLI) is common during the treatment of tuberculosis (TB). As an important enzyme in the metabolism of many drugs, UGT2B7 (uridine diphosphate glucuronyl transferase 2B7) was associated with drug-induced liver disorder. This study investigated the association between the polymorphisms of UGT2B7 and ATLI in Chinese Han. Totally, 280 newly diagnosed TB patients had been followed up for 3 months after the prescription of anti-TB therapy. Tag-single-nucleotide polymorphism (tag-SNPs) (rs10028494 and rs7668282) were genotyped with the MassARRAY platform...
September 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/28885077/innate-immunity-may-play-a-role-in-growth-and-relapse-of-chordoid-meningioma
#8
Ivan Presta, Elia Guadagno, Anna Di Vito, Natalia Malara, Chiara Mignogna, Domenico Maisano, Annalidia Donato, Gabriella Cardillo, Maria Laura Del Basso De Caro, Giuseppe Donato
Chordoid meningioma (CM) is a rare subtype of meningioma, which represents only 0.5% of all meningiomas. It is classified as Grade II according to the World Health Organization classification because of its tendency to relapse. Pathological and clinical characteristics have been studied in order to forecast the future evolution of the lesions. However, information about infiltration of macrophagic elements and mast cells is very scarce. The authors analyzed the immunohistochemical patterns of three cases and a relapse of CM, in order to verify whether infiltrating macrophages are in a polarized state and what would be the proportion between such elements and mastocytes...
September 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/28604144/anti-tnf-%C3%AE-effects-on-anemia-in-rheumatoid-and-psoriatic-arthritis
#9
Addolorata Corrado, Valeria Di Bello, Francesca d'Onofrio, Nicola Maruotti, Francesco Paolo Cantatore
A key role in the pathogenesis of rheumatoid arthritis (RA) and psoriatic arthritis (PsA) is played by inflammatory cytokines, including tumor necrosis factor-α (TNF-α), which are also involved in inducing inflammatory anemia. We have followed 67 RA patients and 64 PsA patients for 1 year to evaluate the effects of TNF-α inhibitors on disease activity and on inflammatory anemia. Patients were divided into three different treatment groups, according to a randomized assignment to receive therapy with etanercept, adalimumab, or infliximab...
September 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/28825507/nodular-cystic-eruption-in-course-of-sorafenib-administration-for-hepatocarcinoma-an-unconventional-skin-reaction-requiring-unconventional-treatment
#10
Francesco Borgia, Carlo Saitta, Mario Vaccaro, Maria Stella Franzè, Maria Lentini, Serafinella Patrizia Cannavò
Sorafenib is a multitargeted kinase inhibitor currently used in the treatment of advanced hepatocellular carcinoma (HCC). It is associated with a significant risk of skin toxicity, which nevertheless represents a clinical marker of good response to treatment. Hand-and-foot skin reaction, alopecia, mucositis, xerosis, skin discoloration, and nail involvement occur frequently in course of therapy. More rarely, sorafenib can target hair follicles. We report the case of a patient who developed painful inflamed nodular-cystic lesions in both pubic and axillary regions in course of treatment with sorafenib...
August 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/28799438/structural-evaluation-of-the-peritubular-sheath-of-rat-s-testes-after-administration-of-ribavirin-a-possible-impact-on-the-testicular-function
#11
Shaima M Almasry, Zeinab A Hassan, Wael M Elsaed, Yasser M Elbastawisy
Effects of ribavirin on the structure of peritubular sheath (PS) of seminiferous tubules and on testicular functions were studied. We found that ribavirin at a dose of 4 mg/kg/day for 4 weeks produced a significant reduction in testosterone level (6.3 ± 0.2; P < 0.001) and in spermatogenic score count (3.8 ± 0.2; P < 0.001) compared to control values. The thickness of PS (17.8 ± 1.13) and tubular lumen perimeter (1024.7 ± 67) was significantly increased compared to controls (10...
August 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/28786715/cloxacillin-induced-agranulocytosis-a-rare-adverse-event-of-a-commonly-used-antibiotic
#12
Selvin Sundar Raj Mani, Ramya Iyyadurai
Cloxacillin, a semisynthetic penicillin is a potent inhibitor of most penicillinase-producing Staphylococci. Use of high doses of Cloxacillin for 6 weeks is recommended for the treatment of infective endocarditis caused by methicillin-susceptible Staphylococcus aureus (MSSA). Here, we report a case of Cloxacillin-induced agranulocytosis in a patient treated for MSSA native tricuspid valve endocarditis, which was resolved after discontinuation of the antibiotic. This case report highlights a rare adverse event of a commonly used antibiotic...
August 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/28764573/human-periodontal-ligament-stem-cells-secretome-from-multiple-sclerosis-patients-suppresses-nalp3-inflammasome-activation-in-experimental-autoimmune-encephalomyelitis
#13
Thangavelu Soundara Rajan, Sabrina Giacoppo, Francesca Diomede, Placido Bramanti, Oriana Trubiani, Emanuela Mazzon
Research in recent years has largely explored the immunomodulatory effects of mesenchymal stem cells (MSCs) and their secretory products, called "secretome," in the treatment of neuroinflammatory diseases. Here, we examined whether such immunosuppressive effects might be elicited due to inflammasome inactivation. To this end, we treated experimental autoimmune encephalomyelitis (EAE) mice model of multiple sclerosis (MS) with the conditioned medium or purified exosomes/microvesicles (EMVs) obtained from relapsing-remitting-MS patients human periodontal ligament stem cells (hPDLSCs) and investigated the regulation of NALP3 inflammasome...
August 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/28762861/mir-1298-affects-cell-proliferation-and-apoptosis-in-c6-cells-by-targeting-set-domain-containing-7
#14
Chun-Mei Wang, Bao-Hua Cheng, Qing-Jie Xue, Jing Chen, Bo Bai
Our previous high-throughput sequencing indicated that rno-miR-1298 was down-regulated in ischemia-reperfusion model of rat. However, little is known about the function and molecular mechanism of rno-miR-1298 in rat tumor cell. In this study, rno-miR-1298 was detected to be significantly down-regulated in rat tumor C6 cells. Moreover, overexpression of rno-miR-1298 obviously inhibited the proliferation and induced apoptosis in C6 cells. SET domain containing 7 (SETD 7) was identified to be a target of rno-miR-1298 using bioinformatics and luciferase reporter assays...
August 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/28745079/cytokine-production-in-mammary-adenocarcinoma-and-its-microenvironmental-cells-in-patients-with-or-without-metastases-in-regional-lymph-nodes
#15
Alexander Autenshlyus, Sergey Arkhipov, Elena Mikhailova, Igor Marinkin, Valentina Arkhipova, Ekaterina Mogilnaya, Nikolay Varaksin, Michael Rukavishnikov
In recent years, the concept of formation of a sufficiently autonomous cytokine network in a malignant tumour has emerged. In this regard, the data on the role of this network and its signalling pathways in the process of metastasis are an interesting topic. The aim of this study was to evaluate the in vitro cytokine-producing potential of mammary adenocarcinoma (MAC; and cells of its microenvironment) from patients with or without metastases in regional lymph nodes (LNs). By enzyme-linked immunosorbent assays of culture supernatants, we studied the cytokine production by biopsy samples of MAC: spontaneous and stimulated by polyclonal activators (PAs: phytohaemagglutinin, concanavalin A and lipopolysaccharide)...
July 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/28731364/synthesis-of-a-new-insulin-mimetic-anti-diabetic-drug-containing-vitamin-a-and-vanadium-iv-salt-chemico-biological-characterizations
#16
Abdel Majid A Adam, Ahmed M Naglah, Mohamed A Al-Omar, Moamen S Refat
Diabetes patients suffer from chronic disorders in the metabolism due to high blood sugar caused by anomalies in insulin excretion. Recently, vanadium compounds have been prepared and functionalized to decrease the level of hyperglycemia. Vitamin A boosts beta cell activity; therefore, the lack of this vitamin plays a role in the development of type 2 diabetes. The aim of this article focused on the synthesis of a new anti-diabetic drug formed from the complexation of a vanadium(IV) salt with vitamin A. Vitamin A acts as a unidentate chelate through the oxygen of its -OH group...
July 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/28627974/microrna-132-protects-hippocampal-neurons-against-oxygen-glucose-deprivation-induced-apoptosis
#17
Zu-Zhen Sun, Zhan-Yun Lv, Wen-Jing Tian, Yan Yang
Hypoxic-ischemic brain injury (HIBI) results in death or long-term neurologic impairment in both adults and children. In this study, we investigated the effects of microRNA-132 (miR-132) dysregulation on oxygen-glucose deprivation (OGD)-induced apoptosis in fetal rat hippocampal neurons, in order to reveal the therapeutic potential of miR-132 on HIBI. MiR-132 dysregulation was induced prior to OGD exposure by transfection of primary fetal rat hippocampal neurons with miR-132 mimic or miR-132 inhibitor. The effects of miR-132 overexpression and suppression on OGD-stimulated hippocampal neurons were evaluated by detection of cell viability, apoptotic cells rate, and the expression of apoptosis-related proteins...
June 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/28627973/profile-of-gene-expression-of-tlr-signaling-pathways-in-colorectal-cancer-tissues
#18
Martyna Bednarczyk, Małgorzata Muc-Wierzgoń, Katarzyna Walkiewicz, Teresa Kokot, Edyta Fatyga, Urszula Mazurek
Toll-like receptors (TLRs) are involved in transduction of molecular signals in immune process such as induction and regulation of immunity, production of cytokines, and recognition of specific molecular patterns on the surface of microorganisms, but also in cancer development-which was partially proven in previous studies. There is a lack of detailed research on differentiating levels of TLR expression in colorectal cancer at different stages of its advancement, so in our study we want to determine whether there is such a difference of TLRs and TLR-connected protein expression...
June 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/28627972/immunomodulatory-effects-of-cigarette-smoke-condensate-in-mouse-macrophage-cell-line
#19
Junwei Zhao, Xiang Li, Fuwei Xie, Zhihua Yang, Xiujie Pan, Maoxiang Zhu, Pingping Shang, Cong Nie, Huimin Liu, Jianping Xie
Increasing evidence has demonstrated that the secretion of cytokines may be associated with cigarette smoke-induced immunomodulatory effects, but a comprehensive analysis of the cytokine profile for cigarette smoke condensate (CSC) exposure is lacking. The aims of this study were to (1) examine the release of 20 cytokines induced by CSC from 12 brands of cigarettes in macrophages cells (Ana-1) and (2) to investigate the general characteristics of the immunomodulatory effects of CSC. Luminex technology was used to simultaneously determine the levels of 20 cytokines (interleukin (IL)-1α, IL-1β, IL-2, IL-4, IL-5, IL-6, IL-10, IL-12, IL-13, IL-17, granulocyte-macrophage colony-stimulating factor (GM-CSF), interferon-γ (IFN-γ), keratinocyte-derived Chemokine (KC), monocyte chemoattractant protein 1 (MCP-1), macrophage inflammatory protein 1α (MIP-1α), induced protein 10 (IP-10), tumor necrosis factor α (TNF-α), vascular endothelial growth factor (VEGF), monkine inducible by γ interferon (MIG), and fibroblast growth factor (FGF)-basic) in the supernatants from Ana-1 cells treated with the CSC...
June 1, 2017: International Journal of Immunopathology and Pharmacology
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
#20
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
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