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International Journal of Immunopathology and Pharmacology

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https://www.readbyqxmd.com/read/29268640/mir-199a-5p-inhibits-proliferation-and-induces-apoptosis-in-hemangioma-cells-through-targeting-hif1a
#1
Yang Wang, Yu-Xin Dai, Shu-Qing Wang, Ming-Ke Qiu, Zhi-Wei Quan, Ying-Bin Liu, Jing-Min Ou
MicroRNAs (miRNAs) exhibit a crucial role in the regulation of angiogenesis and tumor progression, of which miR-199a-5p (miR-199a) has been reported to function as a tumor suppressor in multiple malignancies. However, the precise mechanisms underlying miR-199a in hemangiomas (HAs) remain elusive. In this study, we found that miR-199a had low expression level, while proliferating cell nuclear antigen (PCNA) had high expression level in proliferating-phase HAs compared with the involuting-phase HAs and normal tissues...
December 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/29268639/elevated-circulating-heat-shock-protein-70-and-its-antibody-concentrations-in-chronic-spontaneous-urticaria
#2
Alicja Kasperska-Zając, Aleksandra Damasiewicz-Bodzek, Katarzyna Bieniek, Agnieszka Skrzypulec-Frankel, Krystyna Tyrpien-Golder, Alicja Grzanka
Heat shock proteins (Hsp) play a complex role in cytoprotection, inflammation, and function of the immune system. They may be involved in pathogenesis of various diseases. Our aim was to determine circulating Hsp70 and anti-Hsp70 antibodies concentrations in patients with chronic spontaneous urticaria (CSU). Concentrations of Hsp70 in plasma and anti-Hsp70 antibodies in serum as well as serum C-reactive protein (CRP) were measured in CSU patients and in the controls. Plasma Hsp70 concentrations were significantly higher in CSU (all) and mild CSU patients as compared with the controls...
December 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/29256292/pramlintide-regulation-of-extracellular-matrix-ecm-and-apoptosis-through-mitochondrial-dependent-pathways-in-human-nucleus-pulposus-cells
#3
Xinghuo Wu, Yu Song, Suyun Li, Xianzhe Liu, Wenbin Hua, Kun Wang, Wei Liu, Shuai Li, Yunkun Zhang, Zengwu Shao, Cao Yang
Pramlintide, an approved analog of amylin, is responsible for regulating the physiology of energy homeostasis. The goals of this study were to investigate the roles of pramlintide in the regulation of cell survival and matrix metabolism, and further explore their underlying mechanisms, in human nucleus pulposus (NP) cells. NP cells were treated with different concentrations of pramlintide in normoxic or hypoxic conditions. Cell viability, LAC concentration, calcium concentration, mitochondrial membrane potential (ΔΨm), MMPs proteins, and apoptotic related proteins were detected...
December 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/29251013/ultrastructure-of-neurovascular-changes-in-human-diabetic-retinopathy
#4
János Fehér, Samanta Taurone, Marialuisa Spoletini, Zsolt Biró, Balázs Varsányi, Gianluca Scuderi, Maria Patrizia Orlando, Rosaria Turchetta, Alessandra Micera, Marco Artico
The previous concept regarding diabetic retinopathy assigned a primary role to hyperglycemia-induced microvascular alterations, while neuronal and glial abnormalities were considered to be secondary to either ischemia or exudation. The aim of this study was to reveal the potential role of neuronal and glial cells in initial and advanced alterations of the retinopathy in human type 2 diabetes. Electron microscopy and histochemical studies were performed on 38 surgically removed human eyes (28 obtained from diabetic patients and 10 from non-diabetic patients)...
December 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/29251002/mannosylated-t-tn-with-freund-s-adjuvant-induces-cellular-immunity
#5
Hye-Youn Son, Vasso Apostolopoulos, Chul-Woo Kim
Inducing cancer-specific cellular immune responses has become an attractive strategy in cancer treatment. In this study, we investigated the role of several adjuvants in eliciting T/Tn-specific cellular immunity and protection against T/Tn expressing tumor challenge. T/Tn (9:1) antigen was purified from blood type "O" erythrocytes donated from healthy Korean volunteers. Immunization was performed using: T/Tn only, T/Tn mixed with Freund's adjuvant (T/Tn + FA), keyhole limpet hemocyanin (KLH)-conjugated T/Tn mixed with FA (KLH-T/Tn + FA), and oxidized mannan-conjugated T/Tn mixed with FA (ox-M-T/Tn + FA)...
December 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/29251000/presepsin-a-potential-biomarker-of-pji-a-comparative-analysis-with-known-and-new-infection-biomarkers
#6
Monica Gioia Marazzi, Filippo Randelli, Marco Brioschi, Lorenzo Drago, Carlo Luca Romanò, Giuseppe Banfi, Luca Massaccesi, Calogero Crapanzano, Franca Morelli, Massimiliano Marco Corsi Romanelli, Emanuela Galliera
There is still no "gold standard" for the diagnosis and prognosis of post-operative periprosthetic joint infection (PJI). Among serum biomarkers, an emerging molecule is presepsin, the soluble fraction of CD14, recently described in other settings as a powerful diagnostic tool to detect sepsis at different degrees of severity. The aim of this study was to investigate the diagnostic and prognostic value of presepsin in PJI. A total of 30 patients with PJI and 30 patients without PJI were enrolled. Presepsin, C-reactive protein (CRP), serum interleukin (IL)-6, triggering receptor expressed on myeloid cells 1 (TREM-1), CCL2, matrix metalloproteinase 9 (MMP-9), CD163, osteopontin (OPN), and toll-like receptor 2 (TLR2) were measured at different times after surgery...
December 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/29212390/serratiopeptidase-reduces-the-invasion-of-osteoblasts-by-staphylococcus-aureus
#7
Laura Selan, Rosanna Papa, Angela Ermocida, Andrea Cellini, Evaristo Ettorre, Gianluca Vrenna, Davide Campoccia, Lucio Montanaro, Carla Renata Arciola, Marco Artini
Finding new strategies to counteract periprosthetic infection and implant failure is a main target in orthopedics. Staphylococcus aureus, the leading etiologic agent of orthopedic implant infections, is able to enter and kill osteoblasts, to stimulate pro-inflammatory chemokine secretion, to recruit osteoclasts, and to cause inflammatory osteolysis. Moreover, by entering eukaryotic cells, staphylococci hide from the host immune defenses and shelter from the extracellular antibiotics. Thus, infection persists, inflammation thrives, and a highly destructive osteomyelitis occurs around the implant...
December 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/29171783/hyperhomocysteinemia-induced-autophagy-and-apoptosis-with-downregulation-of-hairy-enhancer-of-split-1-5-in-cortical-neurons-in-mice
#8
Jing-Wen Zhang, Ru Yan, Yu-Sheng Tang, Yong-Zhen Guo, Yue Chang, Li Jing, Yi-Li Wang, Jian-Zhong Zhang
It has been reported that hyperhomocysteinemia (HHcy) is associated with neurodegenerative and cardiovascular diseases. However, little is known about brain histomorphology, neuronal organelles, and hairy enhancer of split ( hes) expression under HHcy. In this study, non-HHcy and HHcy induced by high-methionine diet in apolipoprotein E-deficient (Apo E-/-) mice were comparatively investigated. The histomorphology, ultrastructure, autophagosomes, apoptosis, and expression of proteins, HES1, HES5 and P62, were designed to assess the effects of HHcy on brain...
November 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/29171311/lichen-striatus-successfully-treated-with-oral-cyclosporine
#9
Paolo Romita, Grazia Ettorre, Tamara Bufano, Andrea Marzullo, Andrea Ballini, Gianna Di Palma, Francesco Inchingolo, Caterina Foti
Lichen striatus is an acquired, benign, linear inflammatory dermatosis characterized by a sudden skin eruption along Blaschko's lines that usually is not associated with specific etiologic agents. In most cases, it is a self-limited dermatosis, but may relapse. Topical steroids are its first-line therapy, but this treatment is not always effective. We describe the case of a 45-year-old woman affected by a lichen striatus on her right limb resistant to topical corticosteroid therapy. The patient was successfully treated with cyclosporine (4 mg/kg/die) for 4 weeks with no recurrence of the dermatitis during the subsequent 1-year follow-up period...
November 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/29164980/role-of-flunarizine-hydrochloride-in-secondary-brain-injury-following-intracerebral-hemorrhage-in-rats
#10
Jianping Niu, Rui Hu
This study aimed to explore the role and mechanism(s) of flunarizine hydrochloride in the intracerebral hemorrhage (ICH) rats. The 32 adult male Sprague Dawley (SD) rats were randomly assigned into four groups: control group, sham group, ICH group, and FLU + ICH group. The effects of flunarizine hydrochloride were assessed on the basis of hematoma volume, blood-brain barrier (BBB) integrity, and brain water content in the ICH rat models. The role of flunarizine hydrochloride in cell recovery was assessed by behavioral scores, quantitative real-time polymerase chain reaction (qRT-PCR), and western blot assay...
November 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/29164959/palmatine-attenuates-isoproterenol-induced-pathological-hypertrophy-via-selectively-inhibiting-hdac2-in-rats
#11
Yonggang Yuan, Wanzhong Peng, Yongxing Liu, Zesheng Xu
This study aimed to exploit the potential therapeutic value of palmatine in treatment of cardiac hypertrophy and the underlying molecular mechanism. Rat hypertrophy model was established by intraperitoneal isoproterenol (ISO) injection. The hypertrophy was evaluated with cardiac hypertrophic parameters, hemodynamic parameters, lipid profile, and non-specific cardiac markers. The animals were intraperitoneally administrated with either palmatine or vehicle. The relative expressions of ANP, BNP, HDAC2, HDAC5, KLF4, and INPP5F transcripts were determined by real-time polymerase chain reaction (PCR)...
November 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/29164949/local-pro-inflammatory-cytokine-and-nitric-oxide-responses-are-elevated-in-patients-with-pterygium
#12
S Zidi, F Bediar-Boulaneb, H Belguendouz, M Belkhelfa, O Medjeber, O Laouar, C Henchiri, C Touil-Boukoffa
Pterygium is a common ocular surface disease observed in humans. Chronic ultraviolet (UV) exposure is extensively recognized as an aetiological factor in the pathogenesis of this disease. This hypothesis is sustained by epidemiological and histopathological data in relation to UV injured skin. Although some findings have indicated that genetic factors, anti-apoptotic and immunological mechanisms are involved in the pathogenesis of pterygium, the mechanism by which it develops remains poorly understood. In this study, we analysed the in vivo production of IL-17A, IL-6, IL-10 and nitric oxide (NO) in the tears and sera from Algerian patients...
November 1, 2017: International Journal of Immunopathology and Pharmacology
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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