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Maryam Boshtam, Seddigheh Asgary, Shirin Kouhpayeh, Laleh Shariati, Hossein Khanahmad
Inflammatory disorders result from continuous inflammation in injured sites. Many molecules are involved in this process; the inhibition of which could prevent the inflammation. Chemokines are a group of these biological mediators which are categorized into pro-, anti-, and pro-/anti-inflammatory. Thus, targeting these essential molecules can be an effective way for prevention and control of inflammatory diseases. Various therapeutic agents have been developed for primary and secondary prevention of these disorders, but each of them has its own limitations...
November 23, 2016: Inflammation
Fátima Ribeiro-Dias, Rodrigo Saar Gomes, Lucas Luiz de Lima Silva, Jéssica Cristina Dos Santos, Leo A B Joosten
Interleukin 32 (IL-32) is a proinflammatory cytokine, expressed as 9 distinct isoforms. The most active isoform is the predominantly intracellular-functioning IL-32γ. Involvement of IL-32 in infectious diseases is increasingly being appreciated. Production of IL-32 promotes pathways that serve to control bacterial infection, especially those caused by mycobacteria. A similar role for this cytokine is observed in the cellular response to viral infections. In addition to its protective effects against microorganisms, IL-32 is involved in immunopathogenesis of some infectious diseases...
October 28, 2016: Journal of Leukocyte Biology
Yanwen Wang, Yongfeng Yang, Yihan Zhu, Li Li, Fei Chen, Li Zhang
CONTEXT: Polymorphisms of IL-32 related closely to tumoregenesis. MATERIALS AND METHODS: Two IL-32 polymorphisms (rs12934561 and rs28372698) and mRNA expression were conducted by SNP genotype assay and real-time PCR in 423 lung cancer patients and 437 controls. RESULTS: T allele of rs28372698 associated significantly with poor prognosis in moderate and well differentiation lung cancer patients. TT genotype of rs12934561 related closely to poor survival status in squamous carcinoma...
October 24, 2016: Biomarkers: Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
Young Seok Lee, Ho Cheol Kim, Bo Young Lee, Chang Keun Lee, Mi-Young Kim, Se Jin Jang, Hye Sun Lee, Jieun Moon, Thomas V Colby, Dong Soon Kim
BACKGROUND: Because of the highly variable clinical course of rheumatoid arthritis-associated usual interstitial pneumonia (RA-UIP), the prediction of patient prognosis is important. OBJECTIVE: The aim of this study was to investigate the role of blood biomarkers as prognostic predictors in the patients with RA-UIP. METHODS: The blood levels of biomarkers (Krebs von den Lungen-6 [KL-6], surfactant protein-A [SP-A], matrix metalloproteinase-7 [MMP-7], interleukin-6 [IL-6], and interleukin-32 [IL-32]) were retrospectively compared with the clinical courses of 62 patients with RA-UIP...
October 7, 2016: Sarcoidosis, Vasculitis, and Diffuse Lung Diseases: Official Journal of WASOG
Mariette Matondo, Marlène Marcellin, Karima Chaoui, Marie-Pierre Bousquet-Dubouch, Anne Gonzalez-de-Peredo, Bernard Monsarrat, Odile Burlet-Schiltz
The ubiquitin-proteasome pathway (UPP) plays a critical role in the degradation of proteins implicated in cell cycle control, signal transduction, DNA damage response, apoptosis and immune response. Proteasome inhibitors can inhibit the growth of a broad spectrum of human cancer cells by altering the balance of intracellular proteins. However, the targets of these compounds in acute myeloid leukemia (AML) cells have not been fully characterized. Herein, we combined large-scale quantitative analysis by SILAC-MS and targeted quantitative proteomic analysis in order to identify proteins regulated upon proteasome inhibition in two AML cell lines displaying different stages of maturation: immature KG1a cells and mature U937 cells...
October 6, 2016: Proteomics
Wanyan Deng, Wenmin Yang, Jie Zeng, Abualgasim Elgaili Abdalla, Jianping Xie
Tuberculosis, caused by Mycobacterium tuberculosis (MTB) infection, remains a grave global public health burden which claims the lives around two to three million annually. PE and PPE proteins, featured by the Pro-Glu (PE) or Pro-Pro-Glu (PPE) motifs at the conserved N-terminal domain, are abundant in the MTB genome. PPE32 can increase intracellular survival of mycobacteria through abnormally increase in cytokines production. PPE32 might subvert the macrophage immune response and thwart its bactericidal effect...
September 15, 2016: Oncotarget
Victoria Catalán, Javier Gómez-Ambrosi, Amaia Rodríguez, Beatriz Ramírez, Víctor Valentí, Rafael Moncada, Manuel F Landecho, Camilo Silva, Javier Salvador, Gema Frühbeck
Interleukin (IL)-32 is a recently described cytokine involved in the regulation of inflammation. We aimed to explore whether IL-32 could function as an inflammatory and angiogenic factor in human obesity and obesity-associated type 2 diabetes. Samples obtained from 90 subjects were used in the study. Obese patients exhibited higher expression levels of IL-32 in visceral adipose tissue (AT) as well as in subcutaneous AT and peripheral blood mononuclear cells. IL32 was mainly expressed by stromovascular fraction cells, and its expression was significantly enhanced by inflammatory stimuli and hypoxia, whereas no changes were found after the incubation with anti-inflammatory cytokines...
December 2016: Diabetes
Joohyun Lee, Kyung Eun Kim, Soyoung Cheon, Ju Han Song, Younkyung Houh, Tae Sung Kim, Minchan Gil, Kyung Jin Lee, Seonghan Kim, Daejin Kim, Dae Young Hur, Yoolhee Yang, Sa Ik Bang, Hyun Jeong Park, Daeho Cho
Interleukin (IL)-32α, the shortest isoform of proinflammatory cytokine IL-32, is associated with various inflammatory diseases and cancers. However, its involvement in human melanoma is not understood. To determine the effect of IL-32α in melanoma, IL-32α levels were examined in human melanoma cell lines that exhibit different migratory abilities. IL-32α levels were higher in human melanoma cell lines with more migratory ability. An IL-32α-overexpressing G361 human melanoma cell line was generated to investigate the effect of IL-32α on melanoma migration...
August 29, 2016: Oncotarget
F Öngöz Dede, U Balli, Ş Bozkurt Doğan, B Güven
BACKGROUND AND OBJECTIVE: The cytokine, interleukin (IL)-32, is a relatively new discovery. However, it is very powerful for stimulating tumor necrosis factor-alpha (TNF-α) under inflammatory conditions. The objective of this research was to explore fluctuations in the levels of TNF-α, IL-32 and IL-10, in both saliva and gingival crevicular fluid. The focus was on measurements taken before and after clinical treatment of chronic periodontitis. MATERIAL AND METHODS: For the purposes of the study, a total of 27 patients with chronic periodontitis and 27 controls (periodontally healthy) were recruited...
August 8, 2016: Journal of Periodontal Research
Claude Lambert, Yuenv Wu, Carmen Aanei
Myelodysplastic syndrome (MDS) is characterized by an ineffective hematopoiesis with production of aberrant clones and a high cell apoptosis rate in bone marrow (BM). Macrophages are in charge of phagocytosis. Innate Immune cells and specific T cells are in charge of immunosurveillance. Little is known on BM cell recruitment and activity as BM aspirate is frequently contaminated with peripheral blood. But evidences suggest an active role of immune cells in protection against MDS and secondary leukemia. BM CD8(+) CD28(-) CD57(+) T cells are directly cytotoxic and have a distinct cytokine signature in MDS, producing TNF-α, IL-6, CCL3, CCL4, IL-1RA, TNFα, FAS-L, TRAIL, and so on...
2016: Frontiers in Oncology
Jingfeng Chen, Silu Wang, Jiadong Su, Guanyu Chu, Heyi You, Zongjing Chen, Hongwei Sun, Bicheng Chen, Mengtao Zhou
Interleukin (IL)-32 is a newly discovered cytokine that has multifaceted roles in inflammatory bowel disease, cancer, and autoimmune diseases and participates in cell apoptosis, cancer cell growth inhibition, accentuation of inflammation, and angiogenesis. Here, we investigated the potential effects of IL-32α on epithelial-mesenchymal transition, metastasis, and invasion, and the JAK2/STAT3 signaling pathway in pancreatic cancer cells. The human pancreatic cancer cell lines PANC-1 and SW1990 were used. Epithelial-mesenchymal transition-related markers, including E-cadherin, N-cadherin, Vimentin, Snail, and Zeb1, as well as extracellular matrix metalloproteinases (MMPs), including MMP2, MMP7, and MMP9, were detected by immunofluorescence, Western blotting, and real-time polymerase chain reaction...
2016: OncoTargets and Therapy
Yuan-Yu Zhang, Li Xu, Da-Qi Li, Jian-Hua Shao, Ping Chen, Hong-Yu Zhao, Xue-Bin Dong, Lin-Ping Gu, Wei Wu
OBJECTIVE: To investigate the IL-32 mRNA expression of bone marrow stromal cells and its correlation with apoptosis of bone marrow mononuclear cells in patients with myelodysplastic syndrome (MDS). METHODS: Bone marrow samples from 26 MDS patients and 10 iron deficiency anemia (IDA, as control) patients were collected, RT-PCR was used to detect the IL-32 mRNA expression of bone marrow stromal cells, and the apoptosis of bone marrow mononuclear cells was detected by flow cytometry with Annexin V-FITC/PI dowble staining...
June 2016: Zhongguo Shi Yan Xue Ye Xue za Zhi
Haixia Xu, Shaoquan Zhang, Xingfei Pan, Hong Cao, Xiaoping Huang, Qihuan Xu, Haizhen Zhong, Xiaomou Peng
Hepatic fibrosis is a necessarily stage from the progression of chronic liver diseases to cirrhosis, even hepatocellular carcinoma (HCC). Hepatic fibrosis is characterized by the progressive accumulation of extracellular matrix (ECM). The balance between ECM production and degradation is mediated by matrix metalloproteinases (MMPs) and tissue inhibitors of metalloproteinases (TIMPs). TIMP-1 is an important regulator in the synthesis and degradation of ECM. IL-32, a multi-function cytokine, could induce IL-1β, IL-6, IL-8 and other cytokine expressions by activating AP-1, NF-κβ, p38MAPK signal pathways...
September 2016: International Immunopharmacology
Mirjam Schenk, Sebabrata Mahapatra, Phuonganh Le, Hee Jin Kim, Aaron W Choi, Patrick J Brennan, John T Belisle, Robert L Modlin
The innate immune system recognizes microbial pathogens via pattern recognition receptors. One such receptor, NOD2, via recognition of muramyl dipeptide (MDP), triggers a distinct network of innate immune responses, including the production of interleukin-32 (IL-32), which leads to the differentiation of monocytes into dendritic cells (DC). NOD2 has been implicated in the pathogenesis of human leprosy, yet it is not clear whether Mycobacterium leprae, which has a distinct MDP structure, can activate this pathway...
September 2016: Infection and Immunity
Derya Kivrak Salim, Mehmet Sahin, Sadi Köksoy, Haydar Adanir, Inci Süleymanlar
There have been few studies concerning the cytokine profiles in gastric mucosa of Helicobacter pylori-infected patients with normal mucosa, chronic gastritis, and gastric carcinoma (GAC).In the present study, we aimed to elucidate the genomic expression levels and immune pathological roles of cytokines-interferon (IFN)-γ, tumor necrosis factor (TNF)-α, interleukin (IL)-4, IL-6, IL-10, transforming growth factor (TGF)-β, IL-17A, IL-32-in H pylori-infected patients with normal gastric mucosa (NGM; control), chronic active gastritis (CAG), and GAC...
May 2016: Medicine (Baltimore)
Jung-Sun Cho, Jin-Ah Kim, Joo-Hoo Park, Il-Ho Park, In-Hye Han, Heung-Man Lee
BACKGROUND: Chronic rhinosinusitis with nasal polyps (CRSwNP) is prolonged inflammation of the sinonasal mucosa. Interleukin-32 (IL-32) is involved in the pathogenesis of chronic lung inflammatory diseases. The aim of study is to compare the expression level of IL-32 in normal nasal mucosa and CRSwNP and to investigate the mechanism underlying IL-32 expression in CRSwNP. METHODS: IL-32 expression in nasal tissues, normal nasal mucosa-derived fibroblasts (NorDFs) and nasal polyp-derived fibroblasts (NPDFs), ex vivo explants of nasal tissues was measured by reverse-transcription polymerase chain reaction (RT-PCR), Western blotting, and enzyme-linked immunosorbent assay (ELISA)...
May 13, 2016: International Forum of Allergy & Rhinology
Akhtar Rasool Asif, Nabeel Ijaz, Ruheena Javed, Abdur Rahman Ansari, Muhammd Awais, Hasan Riaz
Identification of the candidate genes that play key roles in phenotypic variations can provide new information about evolution and positive selection. Interleukin (IL)-32 is involved in many biological processes, however, its role for the immune response against various diseases in mammals is poorly understood. Therefore, the current investigation was performed for the better understanding of the molecular evolution and the positive selection of single nucleotide polymorphism in IL-32 gene. By using FST based method, IL-32 (9375) gene was found to be outlier and under significant positive selection with the provisional combined allocation of mean heterozygosity and Fst...
April 22, 2016: Asian-Australasian Journal of Animal Sciences
Muhammad Babar Khawar, Muddasir Hassan Abbasi, Nadeem Sheikh
A vast variety of nonstructural proteins have been studied for their key roles and involvement in a number of biological phenomenona. Interleukin-32 is a novel cytokine whose presence has been confirmed in most of the mammals except rodents. The IL-32 gene was identified on human chromosome 16 p13.3. The gene has eight exons and nine splice variants, namely, IL-32α, IL-32β, IL-32γ, IL-32δ, IL-32ε, IL-32ζ, IL-32η, IL-32θ, and IL-32s. It was found to induce the expression of various inflammatory cytokines including TNF-α, IL-6, and IL-1β as well as macrophage inflammatory protein-2 (MIP-2) and has been reported previously to be involved in the pathogenesis and progression of a number of inflammatory disorders, namely, inflammatory bowel disease (IBD), gastric inflammation and cancer, rheumatoid arthritis, and chronic obstructive pulmonary disease (COPD)...
2016: Mediators of Inflammation
Antonio Di Sabatino, Paolo Giuffrida, Giulia Fornasa, Chiara Salvatore, Alessandro Vanoli, Samuele Naviglio, Luigina De Leo, Alessandra Pasini, Mara De Amici, Costanza Alvisi, Tarcisio Not, Maria Rescigno, Gino Roberto Corazza
BACKGROUND: Immune mechanisms have been implicated in nonceliac gluten sensitivity (NCGS), a condition characterized by intestinal and/or extraintestinal symptoms caused by the ingestion of gluten in non-celiac/non-wheat allergic individuals. AIMS: We investigated innate and adaptive immunity in self-reported NCGS versus celiac disease (CD). METHODS: In the supernatants of ex vivo-cultured duodenal biopsies from 14 self-reported NCGS patients, 9 untreated and 10 treated CD patients, and 12 controls we detected innate cytokines - interleukin (IL)-15, tumor necrosis factor-α, IL-1β, IL-6, IL-12p70, IL-23, IL-27, IL-32α, thymic stromal lymphopoietin (TSLP), IFN-α-, adaptive cytokines - interferon (IFN)-γ, IL-17A, IL-4, IL-5, IL-10, IL-13-, chemokines - IL-8, CCL1, CCL2, CCL3, CCL4, CCL5, CXCL1, CXCL10-, granulocyte colony stimulating factor (G-CSF) and granulocyte-macrophage colony stimulating factor (GM-CSF)...
July 2016: Digestive and Liver Disease
Michael B Nicholl, Xuhui Chen, Chenglu Qin, Qian Bai, Ziwen Zhu, Matthew R Davis, Yujiang Fang
BACKGROUND: Interleukin-32 (IL-32) is a recently recognized intracellular, proinflammatory cytokine which may play a role in cancer metastasis and patient survival. The role of IL-32 in cancer, especially its direct effect on cancer cells, is not well understood. MATERIAL AND METHODS: Clonogenic assay, PCNA staining, Quick Cell Proliferation assay, TUNEL staining, and caspase-3 activity assay were used to investigate the in vitro role for IL-32α in human melanoma growth...
March 2016: Journal of Surgical Oncology
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