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IgG 4 Related disease

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https://www.readbyqxmd.com/read/29439708/possible-relationship-between-fibrosis-of-igg4-related-thymitis-and-the-profibrotic-cytokines-transforming-growth-factor-beta-1-interleukin-1-beta-and-interferon-gamma-a-case-report
#1
Atsuko Masunaga, Fumihiro Ishibashi, Eitetsu Koh, Takashi Oide, Yasuo Sekine, Kenzo Hiroshima
BACKGROUND: IgG4-related disease often forms a mass and the affected lesion is clinically removed because the mass cannot be differentiated from a neoplasm. Affected lesions commonly occur in the pancreas, hepatobiliary tract, kidney, and retroperitoneum. However, the lesion rarely occurs in the thymus. A histological worldwide consensus of IgG4-related disease proposed that pathological diagnosis of IgG4-related disease should meet more than two of three major features: 1) dense lymphoplasmacytic infiltration with greater than 40% IgG4+/IgG+ plasma cells, 2) storiform fibrosis; and 3) obliterative phlebitis...
January 17, 2018: Diagnostic Pathology
https://www.readbyqxmd.com/read/29437186/evaluation-of-igg4-plasma-cell-infiltration-in-patients-with-systemic-plasmacytosis-and-other-plasma-cell-infiltrating-skin-diseases
#2
Shintaro Takeoka, Masahiro Kamata, Carren Sy Hau, Mihoko Tateishi, Saki Fukaya, Kotaro Hayashi, Atsuko Fukuyasu, Takamitsu Tanaka, Takeko Ishikawa, Takamitsu Ohnishi, Yuko Sasajima, Shinichi Watanabe, Yayoi Tada
Systemic plasmacytosis is a rare skin disorder characterized by marked infiltration of plasma cells in the dermis. IgG4-related disease is pathologically characterized by lymphoplasmacytic infiltration rich in IgG4+ plasma cells, storiform fibrosis, and obliterative phlebitis, accompanied by elevated levels of serum IgG4. Reports of cases of systemic plasmacytosis with abundant infiltration of IgG4+ plasma cells has led to discussion about the relationship between systemic plasmacytosis and IgG4-related disease...
February 13, 2018: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/29434730/clinical-and-pathological-characteristics-of-igg4-related-interstitial-lung-disease
#3
Xiaoting Lv, Feng Gao, Qicai Liu, Sheng Zhang, Zhihua Huang, Yongping Zhu, Haiyang Zong, Quwen Li, Sanyan Li
IgG4-related interstitial lung disease (IgG4-RILD), which is characterized by increased IgG4 levels, IgG4 + plasma cell infiltration and irregular whorled fibrosis, is a recently described lung disorder that belongs to the group of systemic fibroinflammatory IgG4-related diseases (IgG4-RD). The aim of the present study was to improve the current knowledge regarding the specific clinical and histopathological characteristics of IgG4-RILD and to investigate its underlying immune mechanism in vivo . A total of 7 patients newly diagnosed with IgG4-RILD were enrolled in the present study (4 men and 3 women; mean age, 57 years; range, 29-71 years)...
February 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29426955/uncoupling-the-widespread-occurrence-of-anti-nmdar1-autoantibodies-from-neuropsychiatric-disease-in-a-novel-autoimmune-model
#4
Hong Pan, Bárbara Oliveira, Gesine Saher, Ekrem Dere, Daniel Tapken, Marina Mitjans, Jan Seidel, Janina Wesolowski, Debia Wakhloo, Christina Klein-Schmidt, Anja Ronnenberg, Kerstin Schwabe, Ralf Trippe, Kerstin Mätz-Rensing, Stefan Berghoff, Yazeed Al-Krinawe, Henrik Martens, Martin Begemann, Winfried Stöcker, Franz-Josef Kaup, Reinhard Mischke, Susann Boretius, Klaus-Armin Nave, Joachim K Krauss, Michael Hollmann, Fred Lühder, Hannelore Ehrenreich
Autoantibodies of the IgG class against N-methyl-D-aspartate-receptor subunit-NR1 (NMDAR1-AB) were considered pathognomonic for anti-NMDAR encephalitis. This view has been challenged by the age-dependent seroprevalence (up to >20%) of functional NMDAR1-AB of all immunoglobulin classes found in >5000 individuals, healthy or affected by different diseases. These findings question a merely encephalitogenic role of NMDAR1-AB. Here, we show that NMDAR1-AB belong to the normal autoimmune repertoire of dogs, cats, rats, mice, baboons, and rhesus macaques, and are functional in the NMDAR1 internalization assay based on human IPSC-derived cortical neurons...
February 9, 2018: Molecular Psychiatry
https://www.readbyqxmd.com/read/29422084/anti-cd11b-antibody-treatment-suppresses-the-osteoclast-generation-inflammatory-cell-infiltration-and-autoantibody-production-in-arthritis-prone-fc%C3%AE-riib-deficient-mice
#5
Mareki Ohtsuji, Qingshun Lin, Hideki Okazaki, Kazuko Takahashi, Hirofumi Amano, Hideo Yagita, Hiroyuki Nishimura, Sachiko Hirose
BACKGROUND: Previously we established an arthritis-prone FcγRIIB-deficient mouse strain (designated KO1). Anti-mouse CD11b mAb (5C6) has been reported to inhibit the recruitment of peripheral CD11b + myelomonocytic cells from the blood to the inflammatory site. These cells include neutrophils and monocytes, both of which play important roles in the development of arthritis. Here we treated KO1 mice with 5C6 mAb in order to study its effect on arthritis development. METHODS: To evaluate the disease-preventive effect of 5C6, 4-month-old preclinical KO1 mice were divided into three groups: the first treated with 5C6 for 6 months, the second treated with normal rat IgG for 6 months, as a control, and the third left untreated...
February 8, 2018: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/29412161/comparative-experimental-infection-study-in-mice-with-b-melitensis-and-its-lipopolysaccharide-via-subcutaneous-route-of-inoculation
#6
Abdinasir Yusuf Osman, Abdul Aziz Saharee, Arifah Abdul Kadir
Brucella melitensis is a major zoonotic pathogen in which lipopolysaccharide (LPS) is believed to play a major role in the diseases pathogenesis. To study the immunopathophysiological aspects, we established a mouse model experimentally infected with whole cell of B. melitensis and its lipopolysaccharide via oral route of inoculation. Eighty four mice, BALB/c, both sexes with equal gender distribution and 6-8 weeks-old were randomly assigned into 3 groups. Group 1 (n = 36) were subcutaneoulsy inoculated with 0...
February 2, 2018: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29409681/antigen-dependent-effects-of-divergent-selective-breeding-based-on-natural-antibodies-on-specific-humoral-immune-responses-in-chickens
#7
T V L Berghof, J A J Arts, H Bovenhuis, A Lammers, J J van der Poel, H K Parmentier
NAb are defined as antigen binding antibodies present without a known previous exposure to this antigen. NAb are suggested to enhance specific antibody (SpAb) responses, but consequences of different NAb levels on immunization are largely unknown. Layer chickens were divergently selected and bred for keyhole limpet hemocyanin (KLH)-binding NAb titers, resulting in a High line and a Low line. In this study, we investigated: (1) the relation of NAb levels with SpAb titers; and (2) the effect of immunization on NAb titers...
February 3, 2018: Vaccine
https://www.readbyqxmd.com/read/29406281/q-fever-epidemic-in-cayenne-french-guiana-epidemiologically-linked-to-three-toed-sloth
#8
Vincent Pommier de Santi, Sébastien Briolant, Aba Mahamat, Carole Ilcinkas, Denis Blanchet, Benoit de Thoisy, Yann Reynaud, Georges Hyvert, Jean-Lou Marié, Sophie Edouard, Bernard Davoust, Didier Raoult
A Q fever epidemic occurred in 2013 in a small military residential area in Cayenne, French Guiana. A retrospective cohort study was conducted to identify Q fever risk factors. Confirmed acute Q fever case was defined as positive serology (IgM ≥ 50 and phase II IgG ≥ 200) and/or positive qPCR on serum or blood. In addition, wild mammals were captured at the study site and tested by serology and real-time PCR performed on blood, vaginal swabs and ticks. The attack rate was 20 percent (11/54). All the cases were symptomatic with fever >38...
February 2018: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/29395258/extra-criteria-manifestations-of-antiphospholipid-syndrome-risk-assessment-and-management
#9
Massimo Radin, Michelle Remião Ugolini-Lopes, Savino Sciascia, Danieli Andrade
OBJECTIVES: Extra-criteria manifestations of antiphospholipid syndrome (APS) might impact on prognosis and morbidity of the disease. In this study, we aimed to evaluate a population of patients with primary APS (PAPS) whether the extra-criteria manifestations were more frequently found in subjects with higher adjusted Global APS Score (aGAPSS) values when compared to patients with thrombotic and/or obstetric APS ("criteria" manifestations) only. METHODS: Clinical records were analyzed to retrieve extra-criteria manifestation of APS, cardiovascular risk factors and antiphospholipid antibodies profile...
January 5, 2018: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/29378858/plasma-cell-depletion-attenuates-hypertension-in-an-experimental-model-of-autoimmune-disease
#10
Erin B Taylor, Michelle T Barati, David W Powell, Hannah R Turbeville, Michael J Ryan
Numerous studies show a direct relation between circulating autoantibodies, characteristic of systemic autoimmune disorders, and primary hypertension in humans. Whether these autoantibodies mechanistically contribute to the development of hypertension remains unclear. Systemic lupus erythematosus (SLE) is a chronic autoimmune disorder characterized by aberrant immunoglobulin production, notably pathogenic autoantibodies, and is associated with prevalent hypertension, renal injury, and cardiovascular disease...
January 29, 2018: Hypertension
https://www.readbyqxmd.com/read/29375988/igg4-and-ige-co-positive-group-found-in-idiopathic-orbital-inflammatory-disease
#11
Peng-Xiang Zhao, Yao Mawulikplimi Adzavon, Jian-Min Ma, Lei Shang, Dan-Ying Chen, Fei Xie, Meng-Yu Liu, Xin Zhang, Bao-Bei Lyu, Ming-Zi Zhang, Lin-Qi Yang, Xue-Mei Ma
AIM: To reveal the cytokines involved in idiopathic orbital inflammatory disease (IOID) and the relationship between Th17 cells, IgE and IOID pathogenesis. METHODS: Whole blood samples were processed immediately after collection and serological IgG4, IgG, and IgE antibodies were tested using ELISA. IOID and orbital cavernous hemangioma (CH) tissue samples underwent Bio-Plex multiplex cytokine detection. Hematoxylin-Eosin (HE) staining of all paraffin samples suggested the histological features of IOIDs, and expressions of IgG4 and IL-17A in affected tissues were detected by immunohistochemistry...
2018: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/29352044/resolution-of-spurious-immunonephelometric-igg-subclass-measurement-discrepancies-by-lc-ms-ms
#12
Grace van der Gugten, Mari L DeMarco, Luke Y C Chen, Alex Chin, Mollie Caruthers, Daniel T Holmes, Andre Mattman
BACKGROUND: The Binding Site immunonephelometric (IN) IgG subclass reagents (IgG1, IgG2, IgG3, IgG4, BSIN) are used for assessment of both immunodeficiency and IgG4-related disease (IgG4-RD). In our laboratory, suspected analytic errors were noted in patients with increases in IgG4: The sum of the individual IgG subclasses was substantially greater than the measured total IgG concentrations (unlike samples with normal IgG4), and the IgG4 concentration was always less than the IgG2 concentration...
January 19, 2018: Clinical Chemistry
https://www.readbyqxmd.com/read/29350070/celiac-antibodies-in-children-with-type-1-diabetes-a-diagnostic-validation-study
#13
Katarzyna Lewandowska, Olga Ciepiela, Agnieszka Szypowska, Jan Wyhowski, Eliza Głodkowska-Mrówka, Katarzyna Popko, Magdalena Ostafin, Beata Pyrżak, Urszula Demkow
INTRODUCTION: Autoimmune diseases, such as celiac disease (CD) and diabetes mellitus type 1, tend to co-occur within the same patient. The prevalence of CD in diabetic children is higher than in the general population, and is estimated to be 0.6-16.4%. The diagnosis of CD is based on histopathological examination and serological testing, however, these methods are still imperfect and new diagnostic algorithms should be considered. AIM: The aim of the study was to assess the diagnostic value of serological tests detecting antibodies against deamidated gliadin peptide, endomysium, tissue transglutaminase, neo-epitope tissue transglutaminase and to identify HLA-related genetic predisposition to CD in patients with type 1 diabetes mellitus (DM1)...
January 19, 2018: Autoimmunity
https://www.readbyqxmd.com/read/29312858/de-novo-glomerular-diseases-after-renal-transplantation-how-is-it-different-from-recurrent-glomerular-diseases
#14
REVIEW
Fedaey Abbas, Mohsen El Kossi, Jon Kim Jin, Ajay Sharma, Ahmed Halawa
The glomerular diseases after renal transplantation can occur de novo, i.e., with no relation to the native kidney disease, or more frequently occur as a recurrence of the original disease in the native kidney. There may not be any difference in clinical features and histological pattern between de novo glomerular disease and recurrence of original glomerular disease. However, structural alterations in transplanted kidney add to dilemma in diagnosis. These changes in architecture of histopathology can happen due to: (1) exposure to the immunosuppression specifically the calcineurin inhibitors (CNI); (2) in vascular and tubulointerstitial alterations as a result of antibody mediated or cell-mediated immunological onslaught; (3) post-transplant viral infections; (4) ischemia-reperfusion injury; and (5) hyperfiltration injury...
December 24, 2017: World Journal of Transplantation
https://www.readbyqxmd.com/read/29310747/population-based-seroprevalence-of-puumala-hantavirus-in-finland-smoking-as-a-risk-factor
#15
F Latronico, S Mäki, H Rissanen, J Ollgren, O Lyytikäinen, O Vapalahti, J Sane
Puumala hantavirus (PUUV) causes hemorrhagic fever with renal syndrome in humans, that is an endemic disease in Finland. We estimated the seroprevalence of PUUV in Finland and explored risk factors and disease associations by using unique survey data with health register linkage. A total of 2000 sera from a nationwide health survey from 2011, representative of the adult population, were screened for PUUV IgG by immunofluorescence assay. We performed statistical analysis adjusting for stratified cluster design and taking into account sampling weights...
January 9, 2018: Epidemiology and Infection
https://www.readbyqxmd.com/read/29299596/clinical-and-immunological-profiles-of-14-patients-with-bullous-pemphigoid-without-igg-autoantibodies-to-the-bp180-nc16a-domain
#16
Kenta Nakama, Hiroshi Koga, Norito Ishii, Chika Ohata, Takashi Hashimoto, Takekuni Nakama
Importance: Enzyme-linked immunosorbent assay (ELISA) and/or chemiluminescent enzyme immunoassay (CLEIA) for BP180 noncollagenous 16A (NC16A) extracellular domain is a sensitive diagnostic tool for bullous pemphigoid (BP). However, some patients with BP have negative results for these assays. Objective: To elucidate the clinical and immunological features of patients with BP without antibodies that react to BP180 NC16A. Design, Setting, and Participants: This retrospective case series study included 152 patients who were diagnosed with BP and followed up at the Kurume University Hospital in Japan from 2007 to 2016...
January 3, 2018: JAMA Dermatology
https://www.readbyqxmd.com/read/29289265/utility-of-serum-igg4-levels-in-a-multiethnic-population
#17
Ruyu Qi, Luke Y C Chen, Sujin Park, Robert Irvine, Michael A Seidman, John T Kelsall, David Collins, Vivian Yin, Graham W Slack, Andre Mattman, Eric Lam, Mollie N Carruthers
BACKGROUND: IgG4-related disease (IgG4-RD) is a recently recognized condition defined by characteristic histopathologic findings in affected organs. Serum IgG4 concentration is often but not always elevated. The sensitivity and specificity of serum IgG4 vary greatly across studies and has been anecdotally associated to ethnicity. Our study was conducted to investigate the difference in serum IgG4 levels between Asian and non-Asian patients with IgG4-RD. METHODS: This is a single-center retrospective study of 26 Asian and 10 non-Asian patients with histologically confirmed IgG4-RD...
January 2018: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/29288039/immunoglobulin-g4-related-chronic-rhinosinusitis-a-pitfall-in-the-differential-diagnosis-of-granulomatosis-with-polyangiitis-rosai-dorfman-disease-and-fungal-rhinosinusitis
#18
Yingshi Piao, Yuan Zhang, Changli Yue, Chengshuo Wang, Luo Zhang
Immunoglobulin G4 (IgG4)-related chronic rhinosinusitis (CRS) has recently been proposed to be a new clinical entity of nasal disease, with no consensually agreed criteria for diagnosis. Moreover, the pathological features if IgG4-related CRS often overlap with other sinonasal inflammatory and autoimmune diseases such as Granulomatosis with Polyangiitis (GPA), Rosai-Dorfman disease (RDD) and Fungal Rhinosinusitis (FRS). We aimed to explore the specific similarities and differences in clinicopathologic features between IgG4-related CRS, and GPA, RDD and FRS, in order that these conditions can be diagnosed more accurately...
December 26, 2017: Human Pathology
https://www.readbyqxmd.com/read/29273651/associations-of-social-environment-socioeconomic-position-and-social-mobility-with-immune-response-in-young-adults-the-jerusalem-perinatal-family-follow-up-study
#19
Gabriella M Lawrence, Yehiel Friedlander, Ronit Calderon-Margalit, Daniel A Enquobahrie, Jonathan Yinhao Huang, Russell P Tracy, Orly Manor, David S Siscovick, Hagit Hochner
OBJECTIVES: Immune response to cytomegalovirus (CMV) impacts adult chronic disease. This study investigates associations of childhood and adulthood social environment, socioeconomic position (SEP) and social mobility with CMV response in young adults. DESIGN: Historical prospective study design. SETTING: Subcohort of all 17 003 births to residents of Jerusalem between 1974 and 1976. PARTICIPANTS: Participants included 1319 young adults born in Jerusalem with extensive archival and follow-up data, including childhood and adulthood SEP-related factors and anti-CMV IgG titre levels and seroprevalence measured at age 32...
December 21, 2017: BMJ Open
https://www.readbyqxmd.com/read/29259784/prospective-cohort-study-to-assess-rates-of-contagious-disease-in-pre-weaned-uk-dairy-heifers-management-practices-passive-transfer-of-immunity-and-associated-calf-health
#20
Kate F Johnson, Natalie Chancellor, Charlotte C Burn, D Claire Wathes
Dairy calves are vulnerable to infectious diseases, particularly diarrhoea and bovine respiratory disease (BRD), causing mortality and reducing welfare and growth. A prospective cohort study was performed on 11 UK dairy farms to determine the underlying causes for calf disease. This first paper describes the incidence, timing and duration of infectious disease, mortality rates, passive transfer of immunity and key management practices that may contribute to disease incidence. Heifer calves were recruited in the first week of life (n=492) and a blood sample taken to measure IgG and total protein (TP)...
2017: Veterinary Record Open
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