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Zeinab A Elkabbany, Nancy S Elbarbary, Eman A Ismail, Nesrine A Mohamed, Dina Ragab, Shereen Abdel Alem, Yasmine M Ezzat, Sarah S Maurice, Noha U Hashem
AIM: To identify the prevalence and effect of hepatopathies of different etiologies among pediatric patients with type 1 diabetes mellitus (T1DM) using transient elastography (TE) and its relation to glycemic control. METHODS: One hundred T1DM patients were studied focusing on liver functions, fasting lipid profile, hemoglobin A1c (HbA1c), hepatitis C virus (HCV), serum immunoglobulins, autoimmune antibodies; anti-nuclear antibody (ANA), anti-smooth muscle antibody (ASMA), and anti-liver kidney microsomal antibody (anti-LKM)...
September 26, 2016: Journal of Diabetes and its Complications
Hyun Woo Kim, John D McCarthy
Extensive research has shown individual religiosity to have an impact upon U.S. protest participation. But very little work has examined the role of religious density in a community on the likelihood of protest mobilization. Our research links the religious density across 62 counties in New York State to various protest mobilization issues during the period of 1960-1995. In this research, we develop a theory of socially organized sentiments to examine religious influences on overall protest event mobilizations in local communities, a specific example of a more general theory that can link community structure to multiple forms of civic engagement...
November 2016: Social Science Research
Sevİn Kirdar, Asli Gamze Sener, Merve Cengİz, Nerİman Aydin
The prevalence of autoantibody in the patients with chronic hepatitis C infection, and the relationship between the autoantibodies and HCV genotypes were investigated in this study. One hundred and eight anti-HCV positive and 86 anti-HCV negative patients were included in the study. Anti-HCV were studied by enzyme immunassay (EIA). HCV RNA was determined by real time polymerase chain reaction (PCR) and HCV genotypes were determined by a reverse-line blot hybridization. Anti-nuclear antibodies (ANA), anti-smooth muscle antibodies (ASMA), Anti-mitochondrial antibodies (AMA), liver kidney microsomal antibodies (LKM) were detected by indirect immunofluorescence assay...
November 2016: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
Florian Wiede, Faruk Sacirbegovic, Yew Ann Leong, Di Yu, Tony Tiganis
Non-coding single nucleotide polymorphisms that repress PTPN2 expression have been linked with the development of type 1 diabetes, rheumatoid arthritis and Crohn's disease. PTPN2 attenuates CD8(+) T cell responses to self and prevents overt autoreactivity in the context of T cell homeostasis and antigen cross-presentation. The role of PTPN2 in other immune subsets in the development of autoimmunity remains unclear. Here we show that the inducible deletion of PTPN2 in hematopoietic compartment of adult non-autoimmune prone mice results in systemic inflammation and autoimmunity...
September 19, 2016: Journal of Autoimmunity
Yuki Ishikawa, Takao Fujii, Seiko Kondo Ishikawa, Naoichiro Yukawa, Motomu Hashimoto, Moritoshi Furu, Hiromu Ito, Koichiro Ohmura, Tsuneyo Mimori
Besides anti-drug antibodies, anti-nuclear antibodies and anti-DNA antibodies are often induced in patients with rheumatoid arthritis treated with tumor necrosis factor inhibitors. We examined the association between immunogenicity, autoantibody production, and serum cytokine profiles in patients with rheumatoid arthritis treated with infliximab. Japanese patients with rheumatoid arthritis (n = 57) were retrospectively examined. Serum trough levels of infliximab, anti-drug antibody, anti-nuclear antibody, and anti-DNA (Farr), anti-single-stranded DNA and anti-double-stranded DNA antibodies were measured...
2016: PloS One
Alban Deroux, Chantal Dumestre-Perard, Camille Dunand-Faure, Laurence Bouillet, Pascale Hoffmann
On average, 10 % of infertile couples have unexplained infertility. Auto-immune disease (systemic lupus erythematosus, anti-phospholipid syndrome) accounts for a part of these cases. In the last 20 years, aspecific auto-immunity, defined as positivity of auto-antibodies in blood sample without clinical or biological criteria for defined diseases, has been evoked in a subpopulation of infertile women. A systematic review was performed (PUBMED) using the MESH search terms "infertility" and "auto-immunity" or "reproductive technique" or "assisted reproduction" or "in vitro fertilization" and "auto-immunity...
September 14, 2016: Clinical Reviews in Allergy & Immunology
Anthony L DeFranco
Antibodies are involved in the pathogenesis of many autoimmune diseases. Although the mechanisms underlying the antibody response to infection or vaccination are reasonably well understood, we still have a poor understanding of the nature of autoimmune antibody responses. The most well studied are the anti-nuclear antibody responses characteristic of systemic lupus erythematosus and studies over the past decade or so have demonstrated a critical role for signaling by TLR7 and/or TLR9 in B cells to promote these responses...
October 11, 2016: Immunology and Cell Biology
Amanda Duhlin, Yunying Chen, Fredrik Wermeling, Saikiran K Sedimbi, Emma Lindh, Rahul Shinde, Marie Jo Halaby, Ylva Kaiser, Ola Winqvist, Tracy L McGaha, Mikael C I Karlsson
Autoimmune diseases are characterized by pathogenic immune responses to self-antigens. In systemic lupus erythematosus (SLE), many self-antigens are found in apoptotic cells (ACs), and defects in removal of ACs from the body are linked to a risk for developing SLE. This includes pathological memory that gives rise to disease flares. In this study, we investigated how memory to AC-derived self-antigens develops and the contribution of self-memory to the development of lupus-related pathology. Multiple injections of ACs without adjuvant into wild-type mice induce a transient primary autoimmune response without apparent anti-nuclear Ab reactivity or kidney pathology...
October 1, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
Marco Cattalini, Jessica Galli, Laura Andreoli, Ivana Olivieri, Giada Ariaudo, Micaela Fredi, Simona Orcesi, Angela Tincani, Elisa Fazzi
PURPOSE: The purpose of this study was to explore the presence of autoimmune manifestations and characterize the autoantibody production in a cohort of patients with Aicardi-Goutières syndrome (AGS). METHODS: Seventeen patients with a genetically-confirmed diagnosis of AGS were recruited. At the time of enrollment, past medical and family history was reviewed, looking for possible signs or symptoms of autoimmune disorders. Blood samples were taken, for the detection of a panel of autoantibodies: anti-nuclear, anti-double-stranded-DNA, anti-nucleosome, anti-extractable nuclear antigens, anti-cardiolipin IgG/IgM, anti-β2glycoprotein I IgG/IgM, and anti-neutrophil cytoplasmic...
October 2016: Journal of Clinical Immunology
Keiko Sakamoto, Yuji Fukushima, Koyu Ito, Michiyuki Matsuda, Shigekazu Nagata, Nagahiro Minato, Masakazu Hattori
Disposal of apoptotic cells is important for tissue homeostasis. Defects in this process in immune tissues may lead to breakdown of self-tolerance against intracellular molecules, including nuclear components. Development of diverse anti-nuclear Abs (ANAs) is a hallmark of lupus, which may arise, in part, due to impaired apoptotic cell clearance. In this work, we demonstrate that spontaneous germinal centers (GCs) in lupus-prone mice contain significantly elevated levels of unengulfed apoptotic cells, which are otherwise swiftly engulfed by tingible body macrophages...
September 15, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
Q Wang, F Duan, P Liu, P F Wang, M X Wang
This study aimed to investigate the role of anti-SRP19 antibody in muscle tissues of patients with autoimmune necrotizing myopathy. Immunohistochemistry staining was used to determine the expression of anti-SRP19 antibodies in muscle tissues of autoimmune necrotizing myopathy patients. Results demonstrated that anti-SRP19 antibody was expressed in 71.4% (20/28) of muscle tissue specimens from patients with autoimmune necrotizing myopathy. Anti-SRP19 antibody expression was mainly localized in cytoplasm of necrotic muscle fibers surrounding the small blood vessels and interstitial cells...
2016: Genetics and Molecular Research: GMR
L C Meng, Y Li, W Zhang, H J Hao, F Gao, Y Yuan
OBJECTIVE: To report the clinical and myopathological features of 16 patients with Jo-1 syndrome. METHODS: Sixteen patients were recruited in this study, who were diagnosed as Jo-1 syndrome in Department of Neurology of Peking University First Hospital from January, 2011 to July, 2015. The clinical data and myopathological data were analyzed. RESULTS: The mean onset age was 41±14 (21-68) years old. 87.5% was female. The median duration was 9...
August 2, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
Yingbo Zhou, Li Jin, Feifei Kong, Hong Zhang, Xuan Fang, Zhu Chen, Guosheng Wang, Xiangpei Li, Xiaomei Li
BACKGROUND: The total glucosides of paeony (TGP) can inhibit inflammation and alleviate symptoms in autoimmune diseases. This study investigated the clinical and immunological consequences of TGP treatment in patients with primary Sjögren's syndrome (SS). METHODS: We conducted a randomized, double-blinded, placebo-controlled clinical trial in 45 patients with primary SS. Patients were randomized at 2:1 ratio to either TGP group (n=29) or placebo group (n=16) and followed up for 24weeks...
October 2016: International Immunopharmacology
Irene Gil-Farina, Marianna Di Scala, Eduardo Salido, Esperanza López-Franco, Estefania Rodríguez-García, Mercedes Blasi, Juana Merino, Rafael Aldabe, Jesús Prieto, Gloria Gonzalez-Aseguinolaza
The etiopathogenesis of autoimmune hepatitis (AIH) remains poorly understood. In this study, we sought to develop an animal model of human AIH to gain insight into the immunological mechanisms driving this condition. C57BL/6 mice were i.v. injected with adeno-associated viral vectors encoding murine IL-12 or luciferase under the control of a liver-specific promoter. Organ histology, response to immunosuppressive therapy, and biochemical and immunological parameters, including Ag-specific humoral and cellular response, were analyzed...
September 15, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
Renato Tozzoli, Danilo Villalta, Nicola Bizzaro
Standardization and harmonization are complementary tools to achieve higher testing quality in laboratory medicine. Both are of great relevance and are strongly needed in autoimmune diagnostics, due to the impressive advance in basic research and technological development observed in this diagnostic field in recent years that has led to the introduction of many new tests and new analytical methods. It is, therefore, essential that this strong innovative thrust is translated into clinical practice in a coordinated way to avoid confusion and the risk of potentially harmful errors for the patient...
August 8, 2016: Clinical Reviews in Allergy & Immunology
Clare E Pain, Tamás Constantin, Natasa Toplak, Monica Moll, Christof Iking-Konert, Daniella P Piotto, Nuray Aktay Ayaz, Dana Nemcova, Peter H Hoeger, Maurizio Cutolo, Vanessa Smith, Ivan Foeldvari
OBJECTIVES: To develop recommendations for investigation and monitoring of children with Raynaud's syndrome, based on paediatric evidence collated by a systematic review. METHODS: A systematic review was undertaken to establish the paediatric evidence for assessment and monitoring of Raynaud's syndrome. An expert panel including members of the Paediatric Rheumatology European Society (PRES) Scleroderma Working Group, were invited to a consensus meeting where recommendations were developed based on evidence graded by the systematic review and where evidence was lacking, consensus opinion...
September 2016: Clinical and Experimental Rheumatology
Hyo Sang Song, Sang Jin Kim, Tae-In Park, Yong Hyun Jang, Eun-So Lee
BACKGROUND: Cutaneous pustular disorders include generalized pustular psoriasis (GPP) and acute generalized exanthematous pustulosis (AGEP). OBJECTIVE: To identify differences between GPP and AGEP, here we immunohistochemically evaluated interleukin (IL)-36 and the IL-23/Th17 axis. METHODS: This retrospective comparative immunohistochemical study was completed using 11 biopsies of 11 cases of GPP and 11 biopsies of 11 cases of AGEP. Through staining with the anti-IL-36-alpha (IL-36α), anti-IL-36 receptor antagonist (IL-36Ra), anti-nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB), anti-IL-23, anti-IL-17, and anti-IL-8 antibodies, main expression location and intensity were visualized in the epidermis and dermis...
August 2016: Annals of Dermatology
Namrata Singh, Duncan B Johnstone, Kayla A Martin, Italo Tempera, Mariana J Kaplan, Michael F Denny
Systemic lupus erythematosus (SLE) is an autoimmune disorder characterized by the development of autoantibodies that recognize components of the cell nucleus. The vast majority of lupus research has focused on either the contributions of immune cell dysfunction or the genetics of the disease. Because granulocytes isolated from human SLE patients had alterations in neutrophil nuclear morphology that resembled the Pelger-Huet anomaly, and had prominent mis-splicing of mRNA encoding the nuclear membrane protein lamin B receptor (LBR), consistent with their Pelger-Huet-like nuclear morphology, we used a novel mouse model system to test the hypothesis that a disruption in the structure of the nucleus itself also contributes to the development of lupus autoimmunity...
August 1, 2016: Disease Models & Mechanisms
Shin Ohta, Ki-Ichi Unoda, Hideto Nakajima, Soichiro Ikeda, Yasuhito Hamaguchi, Fumiharu Kimura
Myositis-specific autoantibodies (MSAs) are associated with myositis. Anti-nuclear matrix protein 2 (NXP-2) antibody was recently identified as a major MSA and was observed mostly in juvenile dermatomyositis. We report the case of a 44-year-old man who presented with myopathy with anti-NXP-2 antibody and large cell carcinoma of the lung. He was hospitalized because of myalgia and edema of limbs. Neurological examination revealed mild proximal-dominant weakness in all four extremities, and laboratory studies showed elevated creatine kinase level (6,432 IU/l)...
August 31, 2016: Rinshō Shinkeigaku, Clinical Neurology
S X Zhao, Y G Zhang, P F Tan, R Q Wang, Y M Nan
OBJECTIVE: To investigate the clinical features of drug-induced autoimmune hepatitis (DIAIH) and its therapeutic strategies, and to provide a reference for early diagnosis and treatment of this disease and prevention of chronicity. METHODS: The clinical data of 116 patients with drug-induced liver injury (DILI) or DIAIH confirmed by medical history, liver biochemistry, and liver biopsy were analyzed retrospectively. Among these patients, 13 had DIAIH and 103 had simple DILI (30 patients in the hepatocyte-type group and 73 in the cholestasis/mixed-type group)...
April 2016: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
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