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https://www.readbyqxmd.com/read/28549017/diagnosis-of-enlarged-extraocular-muscles-when-and-how-to-biopsy
#1
Ilse Mombaerts, Geoffrey E Rose, David H Verity
PURPOSE OF REVIEW: To review current knowledge regarding diagnosis of nonthyroid orbital disorders with extraocular muscle enlargement. RECENT FINDINGS: Recent publications have focused on immunoglobulin G4-related disease as a possible cause of enlarged extraocular muscles, on patterns of strabismus that raise a clinical suspicion of intramuscular lymphoma, and on surgical techniques to access the muscles for tissue biopsy. SUMMARY: With enlarged extraocular muscles, features to distinguish between competing diagnostic possibilities are based on imaging in the context of history and clinical signs...
April 25, 2017: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/28547462/colostrum-quality-igg-absorption-and-daily-weight-gain-of-calves-in-small-scale-dairy-production-systems-in-southern-vietnam
#2
Bui Phan Thu Hang, Johan Dicksved, Kerstin Svennersten Sjaunja, Ewa Wredle
Dairy production is expanding rapidly in Vietnam, but still, the smallholder farms are most common. The aim of this study was therefore to get improved knowledge about colostrum quality in dairy cows, immunoglobulin G (IgG) absorption, daily weight gain in dairy calves and calf management in small-scale dairy production systems in Southern Vietnam. A field survey was conducted on 40 farms, with two calves on each farm being intensively studied. It was observed that newborn calves were separated from their dams immediately after birth and offered 2-4 L first colostrum within 4 h by bucket feeding...
May 25, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28546954/pleiotropic-cytotoxicity-of-vaca-toxin-in-host-cells-and-its-impact-on-immunotherapy
#3
REVIEW
Farnaz Fahimi, Mohammad Reza Tohidkia, Mehdi Fouladi, Reza Aghabeygi, Naser Samadi, Yadollah Omidi
Introduction: In the recent decades, a number of studies have highlighted the importance of Helicobacter pylori in the initiation and development of peptic ulcer and gastric cancer. Some potential virulence factors (e.g., urease, CagA, VacA, BabA) are exploited by this microorganism, facilitating its persistence through evading human defense mechanisms. Among these toxins and enzymes, vacuolating toxin A (VacA) is of a great importance in the pathogenesis of H. pylori. VacA toxin shows different pattern of cytotoxicity through binding to different cell surface receptors in various cells...
2017: BioImpacts: BI
https://www.readbyqxmd.com/read/28546760/analysis-of-immune-status-after-iodine-125-permanent-brachytherapy-in-prostate-cancer
#4
E Du, Lin Wang, Chang-Ying Li, Chang-Wen Zhang, Yan-Chun Qu, Ran-Lu Liu, Yong Xu, Kuo Yang, Zhi-Hong Zhang
BACKGROUND: Permanent prostate brachytherapy (PPB) is an effective treatment choice for low and intermediate risk prostate cancer (PCa). However, the impact of PPB on tumor immune status is still poorly understood. This study aimed to assess the immune status in PCa patients before and at different time points after PPB (1, 3, 6, and 12 months). METHODS: Blood was collected from 32 patients with low and intermediate risk PCa and 12 healthy volunteers. The frequency of immunocompetent cells was identified by flow cytometry...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28546550/human-igg2-and-igg4-expressing-memory-b-cells-display-enhanced-molecular-and-phenotypic-signs-of-maturity-and-accumulate-with-age
#5
Britt G de Jong, Hanna IJspeert, Lemelinda Marques, Mirjam van der Burg, Jacques J M van Dongen, Bruno G Loos, Menno C van Zelm
The mechanisms involved in sequential immunoglobulin (IG)G class switching are still largely unknown. Sequential IG class switching is linked to higher levels of somatic hypermutation (SHM) in vivo, but it remains unclear if these are generated temporally during an immune response or upon activation in a secondary response. We here aimed to uncouple these processes and to distinguish memory B cells from primary and secondary immune responses. SHM levels and IgG subclasses were studied with 454 pyrosequencing on PBMC from young children and adults as models for primary and secondary immunological memory...
May 26, 2017: Immunology and Cell Biology
https://www.readbyqxmd.com/read/28546021/sodium-butyrate-improved-intestinal-immune-function-associated-with-nf-%C3%AE%C2%BAb-and-p38mapk-signalling-pathways-in-young-grass-carp-ctenopharyngodon-idella
#6
Li Tian, Xiao-Qiu Zhou, Wei-Dan Jiang, Yang Liu, Pei Wu, Jun Jiang, Sheng-Yao Kuang, Ling Tang, Wu-Neng Tang, Yong-An Zhang, Fei Xie, Lin Feng
The present study evaluated the effect of dietary sodium butyrate (SB) supplementation on the growth and immune function in the proximal intestine (PI), middle intestine (MI) and distal intestine (DI) of young grass carp (Ctenopharyngodon idella). The fish were fed one powdery sodium butyrate (PSB) diet (1000.0 mg kg(-1) diet) and five graded levels of microencapsulated sodium butyrate (MSB) diets: 0.0 (control), 500.0, 1000.0, 1500.0 and 2000.0 mg kg(-1) diet for 60 days. Subsequently, a challenge test was conducted by injection of Aeromonas hydrophila...
May 22, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28546015/allergic-bronchopulmonary-aspergillosis-in-japan-a-nationwide-survey
#7
Tsuyoshi Oguma, Masami Taniguchi, Terufumi Shimoda, Katsuhiko Kamei, Hiroto Matsuse, Akira Hebisawa, Noboru Takayanagi, Satoshi Konno, Koichi Fukunaga, Kazuki Harada, Jun Tanaka, Katsuyoshi Tomomatsu, Koichiro Asano
BACKGROUND: Allergic bronchopulmonary aspergillosis (ABPA) is an allergic pulmonary disease characterized by a hypersensitivity reaction to Aspergillus species colonizing the airways. The clinical characteristics of ABPA may differ depending on genetic and environmental background. We performed a nationwide survey to determine the clinical characteristics of ABPA in Japan. METHODS: In 2013, a questionnaire on physician-diagnosed ABPA/allergic bronchopulmonary mycosis was sent to 903 medical centers specializing in respiratory or allergic diseases...
May 23, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28545413/development-of-an-lps-based-elisa-for-diagnosis-of-yersinia-enterocolitica-o-3-infections-in-danish-patients-a-follow-up-study
#8
Tine Dalby, Eva Rasmussen, Peter Schiellerup, Karen Angeliki Krogfelt
BACKGROUND: The bacterium Yersinia enterocolitica causes gastroenteritis in humans. The study aimed to develop a diagnostic enzyme-linked immunosorbent assay (ELISA) for detection of Yersinia enterocolitica O:3 LPS antibodies in sera from Danish patients with suspected Yersinia enterocolitica O:3 gastrointestinal infection. As a part of this, antibody decay profiles after culture confirmed Yersinia enteritis were studied. RESULTS: An ELISA using Yersinia enterocolitica O:3 LPS as the coating antigen was developed for measuring IgA, IgG and IgM specific antibodies...
May 25, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28545410/combined-proximal-tubulopathy-crystal-storing-histiocytosis-and-cast-nephropathy-in-a-patient-with-light-chain-multiple-myeloma
#9
Chung-Kuan Wu, An-Hang Yang, Hung-Chih Lai, Bing-Shi Lin
BACKGROUND: The diagnosis of myeloma, a plasma dyscrasia, often results from the workup of unexplained renal disease. Persistent renal failure in myeloma is commonly caused by tubular nephropathy due to circulating immunoglobulins and free light chains. Myeloma cast nephropathy is characterized by crystalline precipitates of monoclonal light chains within distal tubules. Immunoglobulin crystallization rarely occurs intracellularly, within proximal tubular cells (light chain proximal tubulopathy) and interstitial histiocytes (crystal-storing histiocytosis)...
May 25, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28544629/household-pet-exposure-allergic-sensitization-and-rhinitis-in-the-u-s-population
#10
Josef Shargorodsky, Esther Garcia-Esquinas, Rachel Umanskiy, Ana Navas-Acien, Sandra Y Lin
BACKGROUND: The effect of animal dander exposure on allergic sensitization may be age-dependent. A comparison between the association of the levels of exposure to pet allergen with rhinitis symptoms and allergic sensitization in children and adults is yet to be performed in the U.S. POPULATION: HASH(0x382ec08) METHODS: Cross-sectional study of 3034 adults (age, 20 to 85 years) and 2104 children (age, 6 to 19 years) in the National Health and Nutrition Examination Survey, 2005-2006...
May 25, 2017: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/28544448/using-pymol-to-explore-the-effects-of-ph-on-noncovalent-interactions-between-immunoglobulin-g-and-protein-a-a-guided-inquiry-biochemistry-activity
#11
Zahilyn D Roche Allred, Heeyoung Tai, Stacey Lowery Bretz, Richard C Page
Students' understandings of foundational concepts such as noncovalent interactions, pH and pKa are crucial for success in undergraduate biochemistry courses. We developed a guided-inquiry activity to aid students in making connections between noncovalent interactions and pH/pKa . Students explore these concepts by examining the primary and tertiary structures of immunoglobulin G (IgG) and Protein A. Students use PyMOL, an open source molecular visualization application, to (1) identify hydrogen bonds and salt bridges between and within the proteins at physiological pH and (2) apply their knowledge of pH/pKa to association rate constant data for these proteins at pH 4 and pH 11...
May 24, 2017: Biochemistry and Molecular Biology Education
https://www.readbyqxmd.com/read/28544233/bcl6-overexpression-alters-gene-expression-profile-in-a-myeloma-cell-line-and-is-associated-with-decreased-dna-damage-response
#12
Kenichi Tahara, Makiko Takizawa, Arito Yamane, Yohei Osaki, Takuma Ishizaki, Takeki Mitsui, Akihiko Yokohama, Takayuki Saitoh, Norifumi Tsukamoto, Morio Matsumoto, Hirokazu Murakami, Yoshihisa Nojima, Hiroshi Handa
BCL6 attenuates DNA damage response (DDR) through gene repression and facilitates tolerance to genomic instability during immunoglobulin affinity maturation in germinal center (GC) B cells. Although BCL6 expression is repressed through normal differentiation of GC B cells into plasma cells, a recent study showed the ectopic expression of BCL6 in primary multiple myeloma (MM) cells. However, the functional roles of BCL6 in MM cells are largely unknown. Here, we report that overexpression of BCL6 in a MM cell line, KMS12PE, induced transcriptional repression of ataxia telangiectasia mutated (ATM), a DDR signaling kinase, which was associated with a reduction in γH2AX formation after DNA damage...
May 23, 2017: Cancer Science
https://www.readbyqxmd.com/read/28544157/malignancies-in-korean-patients-with-immunoglobulin-g4-related-disease
#13
Sung Soo Ahn, Jason Jungsik Song, Yong-Beom Park, Sang-Won Lee
AIM: Several studies have implicated increased risk of malignancy in patients with immunoglobulin G4-related disease (IgG4-RD). Hence, we first evaluated the risk and the type of malignancy in Korean IgG4-RD patients. METHOD: Clinical and laboratory results of patients fulfilling the comprehensive diagnostic criteria for IgG4-RD were retrospectively collected between January 2006 and November 2015. One hundred and eighteen patients were included, and 35 were classified as having definite, 83 as possible/probable IgG4-RD...
May 22, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28543916/hcv-rna-genomic-sequences-and-hcv-e2-glycoprotein-in-sural-nerve-biopsies-from-hcv-infected-patients-with-peripheral-neuropathy
#14
Sabino Russi, Domenico Sansonno, Salvatore Monaco, Sara Mariotto, Sergio Ferrari, Fabio Pavone, Gianfranco Lauletta, Franco Dammacco
AIMS: Peripheral neuropathy (PN), the major neurological complication of chronic HCV infection, is frequently associated with mixed cryoglobulinemia (MC) and small-vessel systemic vasculitis. While humoral and cell-mediated immune mechanisms are suspected to act together in an aberrant immune response that results in peripheral nerve damage, the role of HCV remains largely speculative. The possible demonstration of HCV in peripheral nerve tissue would obviously assume important pathogenic implications...
May 24, 2017: Neuropathology and Applied Neurobiology
https://www.readbyqxmd.com/read/28543802/infantile-bullous-pemphigoid-successfully-treated-with-intravenous-immunoglobulin-therapy
#15
T Watanabe, S Hara, J Muto, D Watanabe, M Akiyama
No abstract text is available yet for this article.
May 22, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28543758/deregulated-expression-of-long-non-coding-rna-uca1-in-multiple-myeloma
#16
L Sedlarikova, B Gromesova, V Kubaczkova, L Radova, J Filipova, J Jarkovsky, L Brozova, R Velichova, M Almasi, M Penka, R Bezdekova, M Stork, Z Adam, L Pour, M Krejci, P Kuglík, R Hajek, S Sevcikova
OBJECTIVES: Long non-coding RNAs (lncRNAs) are RNA transcripts longer than 200 nucleotides that are not translated into proteins. They are involved in pathogenesis of many diseases including cancer and have a potential to serve as diagnostic and prognostic markers. We aimed to investigate lncRNA expression profiles in bone marrow plasma cells of newly diagnosed multiple myeloma (MM) patients in comparison to normal bone marrow plasma cells of healthy donors (HD) in a 3-phase biomarker study...
May 25, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/28543515/thrombocytopenia-associated-with-localized-scleroderma-report-of-four-pediatric-cases-and-review-of-the-literature
#17
Ankur Kumar Jindal, Anju Gupta, Sunil Dogra, Amit Rawat, Deepti Suri, Jasmina Ahluwalia, Surjit Singh
We report on four children with localized scleroderma (morphea) and thrombocytopenia. All four had the en coup de sabre subtype of morphea and had varying degrees of thrombocytopenia (8 × 10(9) /L to 120 × 10(9) /L). None of them had major bleeding manifestations, and thrombocytopenia resolved with treatment of morphea. (One patient was also given an injection of anti-D immunoglobulin.) We propose that thrombocytopenia associated with localized scleroderma is usually benign and requires no specific therapy...
May 23, 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28543448/successful-treatment-of-pure-red-cell-aplasia-because-of-abo-major-mismatched-stem-cell-transplant
#18
Katie Sackett, Claudia S Cohn, Kayla Fahey-Ahrndt, Angela R Smith, Andrew D Johnson
BACKGROUND: Pure red cell aplasia (PRCA) is a well-documented potential side effect of ABO major mismatched allogeneic hematopoietic stem cell transplants. This side effect may be self-limiting, but is sometimes treated using modalities such as steroids, antithymocyte globulin, donor lymphocyte infusions, rituximab, or plasma exchanges. Another well-documented cause of pure red cell aplasia is a chronic parvovirus B19 infection, which may be seen in immunocompromised hosts. The treatment of this cause of PRCA includes removal of immunosuppression, intravenous immunoglobulin (IVIg), or rituximab; however, this condition may also be self-limiting...
May 24, 2017: Journal of Clinical Apheresis
https://www.readbyqxmd.com/read/28543378/renal-transplantation-in-patients-with-pre-existing-hypogammaglobulinemia
#19
K P Lund, H Bruunsgaard, H V Marquart, S S Sørensen
Hypogammaglobulinemia is well-characterized as a common phenomenon after kidney transplantation. However, no reports of pre-existing hypogammaglobulinemia from kidney transplantation seem to be available. We have reviewed three patients who developed hypogammaglobulinemia prior to kidney transplantation, and all three were treated successfully with immunoglobulin-replacement therapy before and after kidney transplantation. The kidney grafts were functioning at follow-up 1.5 to 8 years (mean: 3.6 years) after transplantation, and there were no diagnosed episodes of clinical rejections and no severe infection complications post-transplantation...
May 22, 2017: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/28543299/low-occurrence-of-hbsag-but-high-frequency-of-transient-occult-hbv-infection-in-vaccinated-and-hbig-administered-infants-born-to-hbsag-positive-mothers
#20
Shan Zhou, Tingting Li, Jean-Pierre Allain, Bin Zhou, Yuming Zhang, Mei Zhong, Yongshui Fu, Chengyao Li
The status of chronic and occult HBV infection (OBI) in neonatal hepatitis B vaccine and immunoglobulin (HBIG) vaccinated infants born to HBsAg+ mothers was investigated at a major hospital in China. Seventy-seven and 15 blood samples were collected in first or second follow-up detection from the vaccinated babies aged 3 to 36 months born to 43 HBsAg+ or plus 25 HBeAg+ mothers. HBV infection was analyzed between the paired baby and mother by serology and DNA analysis. Among 77 children born to 68 HBsAg+ mothers, 3...
May 23, 2017: Journal of Medical Virology
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