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https://www.readbyqxmd.com/read/28944924/cyclic-helix-b-peptide-protects-hk%C3%A2-2-cells-from-oxidative-stress-by-inhibiting-er-stress-and-activating-nrf2-signalling-and-autophagy
#1
Long Li, Miao Lin, Lexi Zhang, Shang Huang, Chao Hu, Long Zheng, Liping Li, Chao Zhang, Cheng Yang, Yaqiu Long, Ruiming Rong, Tongyu Zhu
Renal ischemia‑reperfusion injury (IRI) is present in numerous diseases and is observed following certain treatments, including renal transplantation. Preventing tubular epithelial cells (TECs) from undergoing apoptosis is vital for treatment of renal IRI. Cyclic helix B peptide (CHBP) is a novel agent that has a protective effect on renal IRI in vivo. In the present study, the effect and underlying mechanism of CHBP on TECs was investigated. The HK‑2 human renal proximal tubular epithelial cell line was treated with 500 µmol/l H2O2 for 4 h prior to determining the effect of CHBP pretreatment for 1 h on cell viability, caspase 3 activity and expression levels, expression levels of oxidative stress markers, endoplasmic reticulum (ER) stress markers, NF‑E2‑related factor 2 (Nrf2), heme oxygenase‑1 (HO‑1) and autophagy markers...
September 22, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944850/differentially-expressed-long-non%C3%A2-coding-rnas-and-mrnas-in-patients-with-iga-nephropathy
#2
Nan Zuo, Yun Li, Nan Liu, Lining Wang
Long non‑coding RNAs (lncRNAs) have been reported to serve a crucial role in renal diseases; however, their role in immunoglobulin A nephropathy (IgAN) remains unclear. In the present study, peripheral blood mononuclear cells (PBMCs) were collected from both patients with IgAN and healthy controls. A microarray analysis was then performed to identify differentially expressed lncRNAs and mRNAs in PBMCs, which were confirmed by quantitative polymerase chain reaction. In addition, Gene Ontology (GO), Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway and lncRNA‑mRNA co‑expression network analyses were conducted...
September 20, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944651/salivary-immunoglobulin-a-in-healthy-adolescent-females-effects-of-maximal-exercise-physical-activity-body-composition-and-diet
#3
Hermann J Engels, Bradley J Kendall, Mariane M Fahlman, Neha P Gothe, Kelsey C Bourbeau
BACKGROUND: The primary purpose of this study was to examine the effect of acute maximal exercise (VO2max test) on salivary immunoglobulin A (SIgA) responses in adolescent females. A secondary aim was to examine the relationship between resting SIgA levels and VO2max, physical activity, body composition, and diet. METHODS: Fifty healthy female adolescents completed a laboratory based VO2max test, assessment of body composition via hydrodensitometry, a validated physical activity questionnaire (PAQ- A), and a 3-day food diary...
September 22, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28944137/pulmonary-hypertension-associated-with-antiphospholipid-antibody-call-for-a-screening-tool
#4
REVIEW
Rukma Parthvi, Rutuja R Sikachi, Abhinav Agrawal, Ajay Adial, Abhinav Vulisha, Sameer Khanijo, Arunabh Talwar
Antiphospholipid (aPL) antibodies are antibodies specific for anionic phospholipids. They are immunoglobulins that attack phospholipids, phospholipid-binding proteins, or phospholipid-protein complexes and are detected in anticardiolipin and lupus anticoagulant assays. aPL antibodies are often associated with antiphospholipid syndrome (APS) which can be idiopathic or from secondary causes such as systemic lupus erythematosus (SLE), infection or drugs. They have also been shown to be associated with Pulmonary Hypertension...
August 2017: Intractable & Rare Diseases Research
https://www.readbyqxmd.com/read/28944135/management-of-syndromic-diarrhea-tricho-hepato-enteric-syndrome-a-review-of-the-literature
#5
REVIEW
Alexandre Fabre, Patrice Bourgeois, Marie-Edith Coste, Céline Roman, Vincent Barlogis, Catherine Badens
Syndromic diarrhea/tricho-hepato-enteric syndrome (SD/THE) is a rare disease linked to the loss of function of either TTC37 or SKIV2L, two components of the SKI complex. It is characterized by a combination of 9 signs (intractable diarrhea, hair abnormalities, facial dysmorphism, immune abnormalities, IUGR/SGA, liver abnormalities, skin abnormalities, congenital heart defect and platelet abnormalities). We present a comprehensive review of the management of SD/THE and tested therapeutic regimens. A review of the literature was conducted in May 2017: 29 articles and 2 abstracts were included describing a total of 80 patients, of which 40 presented with mutations of TTC37, 14 of SKIV2L...
August 2017: Intractable & Rare Diseases Research
https://www.readbyqxmd.com/read/28944095/intermolecular-interactions-involving-an-acidic-patch-on-immunoglobulin-variable-domain-and-the-%C3%AE-2-constant-region-mediate-crystalline-inclusion-body-formation-in-the-endoplasmic-reticulum
#6
Haruki Hasegawa, Mei Geng, Randal R Ketchem, Ling Liu, Kevin Graham, Frederick Jacobsen
Full-length immunoglobulins (Igs) are widely considered difficult to crystallize because of their large size, N-linked glycosylation, and flexible hinge region. However, numerous cases of intracellular Ig crystallization are reported in plasma cell dyscrasias. What makes some Ig clones more prone to crystallize during biosynthesis as well as the biochemical and cell biological requirements for this cryptic event are poorly understood. To investigate the underlying process of intracellular Ig crystallization we searched for model IgGs that can induce crystalline inclusions during recombinant overexpression...
2017: Cellular Logistics
https://www.readbyqxmd.com/read/28943962/role-and-mechanism-of-action-of-lrig1-in-ovarian-cancer-cell-line-and-vp16-drug-resistant-cell-line
#7
Yaqi Zhang, Zhizhen Liu, Shunrui Yu
We investigated the role of leucine-rich repeats and immunoglobulin-like domains (LRIG)-1 in ovarian cancer cell line and VP16 drug-resistant cell line to explore the possible mechanism of action. Human ovarian cancer cell line SKOV3 and the VP16 drug-resistant cell line SKOV3/VP16 were used to investigate whether LRIG1 affects the sensitivity of SKOV3 to drugs. RT-qPCR was used to detect the difference in LRIG1 expression between drug-resistant and wild-type cell lines. siRNA LRIG1 was designed and transfected to silence LRIG1 to investigate the mechanism by which LRIG1 affects the sensitivity of SKOV3 to drugs...
October 2017: Oncology Letters
https://www.readbyqxmd.com/read/28943909/downregulation-of-lrig2-expression-inhibits-angiogenesis-of-glioma-via-egfr-vegf-a-pathway
#8
Hong-Kuan Yang, Hao Chen, Feng Mao, Qun-Gen Xiao, Rui-Fan Xie, Ting Lei
Active angiogenesis is the basic pathological feature of glioma. Tumor angiogenesis is involved in vascular endothelial cell migration to the tumor tissue and in the formation of tube-like structures. The present study aimed to investigate the role of leucine-rich repeats and immunoglobulin-like domains 2 (LRIG2) in glioma angiogenesis. Glioma (n=50) and normal brain (n=20) tissue samples were collected from patients to detect the expression of LRIG2, epidermal growth factor receptor (EGFR), vascular endothelial growth factor A (VEGF-A), and cluster of differentiation 31 (CD31) using immunohistochemistry...
October 2017: Oncology Letters
https://www.readbyqxmd.com/read/28943897/role-of-liver-icam-1-in-metastasis
#9
Aitor Benedicto, Irene Romayor, Beatriz Arteta
Intercellular adhesion molecule (ICAM)-1, is a transmembrane glycoprotein of the immunoglobulin (Ig)-like superfamily, consisting of five extracellular Ig-like domains, a transmembrane domain and a short cytoplasmic tail. ICAM-1 is expressed in various cell types, including endothelial cells and leukocytes, and is involved in several physiological processes. Furthermore, it has additionally been reported to be expressed in various cancer cells, including melanoma, colorectal cancer and lymphoma. The majority of studies to date have focused on the expression of the ICAM-1 on the surface of tumor cells, without research into ICAM-1 expression at sites of metastasis...
October 2017: Oncology Letters
https://www.readbyqxmd.com/read/28943553/risk-factors-for-helicobacter-pylori-infection-and-endoscopic-reflux-esophagitis-in-healthy-young-japanese-volunteers
#10
Yuichiro Tanaka, Yasuhisa Sakata, Megumi Hara, Hiroharu Kawakubo, Nanae Tsuruoka, Koji Yamamoto, Yoichiro Itoh, Hidenori Hidaka, Ryo Shimoda, Ryuichi Iwakiri, Kazuma Fujimoto
Objective The aim of this study was to determine the prevalence and risk factors of reflux esophagitis and Helicobacter pylori (H.pylori) infection and their interrelationship in healthy young Japanese volunteers. Materials and Methods Between 2010 and 2016, 550 fifth-year medical students at Saga Medical School, aged 22 to 30 years, underwent upper gastrointestinal endoscopy and completed a questionnaire (frequency scale for symptoms of gastroesophageal reflux disease). H. pylori infection was determined by detecting urinary immunoglobulin G antibodies...
September 25, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28942846/trichosporon-asahii-secretes-a-30-kda-aspartic-peptidase
#11
Roberta S Valle, Lívia S Ramos, Vanessa J Reis, Mariangela Ziccardi, Marcos Dornelas-Ribeiro, Cátia L Sodré, Marta H Branquinha, André L S Santos
Trichosporon asahii is a fungal opportunistic pathogen that causes superficial and deep-seated infections presenting high mortality. Very little is known about the virulence attributes produced by this fungus. Herein, aspartic peptidase production was identified in Brazilian clinical isolates of T. asahii by different methodologies. Initially, T. asahii strain 250 (from skin lesion) was inoculated in both liquid and solid culture media containing bovine serum albumin (BSA) as the sole nitrogenous source. A translucent halo around the fungal colony was observed from the 5th day of culture...
December 2017: Microbiological Research
https://www.readbyqxmd.com/read/28942035/putative-role-of-kir3dl1-3ds1-alleles-and-hla-bw4-ligands-with-end-stage-renal-disease-and-long-term-renal-allograft-survival
#12
Swayam Prakash, Aditya Narayan Sarangi, Shahnawaz Alam, Avinash Sonawane, Raj Kumar Sharma, Suraksha Agrawal
BACKGROUND: Killer immunoglobulin receptors (KIR) are highly polymorphic in nature. KIR3DL1/3DS1 genes are known to affect HLA-B antigen binding affinity causing natural killer (NK) cell inhibition, which results into successful renal transplantation. In this study we have examined whether alleles of KIR3DL1/3DS1 play any role in changing the binding affinity with HLA-Bw4 antigen and if so then how are they associated with long term renal allograft survival. We have also evaluated plausible association of KIR3DL1 with HLA-A23/A24/A32 with renal pathophysiology...
September 20, 2017: Gene
https://www.readbyqxmd.com/read/28941591/ige-monoclonal-gammopathy-a-case-report-and-literature-review
#13
REVIEW
C Hejl, R Mestiri, T Carmoi, S Bugier, D Chianea, C Renard, P Vest
Immunoglobulin E (IgE) gammopathy is a rare disorder, accounting for just 0.1% of all patients with multiple myeloma (MM). Herein, we report a case of IgE monoclonal gammopathy without any biological and clinical symptoms, and we review 63 published cases in the literature. Demographic, biological and clinical presentations and features appear to be similar to those of other subtypes of MM, with a median age of diagnosis of 67years. There is a slight excess of male patients, and incidence seems to increase with age...
September 20, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/28941580/immunoglobulins-benefits-and-risks-from-the-patient-s-point-of-view
#14
Bruno Revol, Laura Bickert, Françoise Sarrot-Reynauld, Benoit Allenet
Patients have to be informed about the risks and benefits of medicinal products derived from human plasma. No study has examined the patient's perspective yet. Our objective was to assess perceived benefits and risks of immunoglobulins administration from the patient's point of view. Thirty-four patients receiving subcutaneous or intravenous immunoglobulins for chronic disorders at a single university hospital were asked to complete a survey. Although the level of comfort was high, the results revealed variable and incomplete knowledge, in particular about the nature of the treatment...
July 31, 2017: Thérapie
https://www.readbyqxmd.com/read/28941526/pediatric-myasthenia-gravis
#15
Jason H Peragallo
Myasthenia gravis is a disorder of neuromuscular transmission that leads to fatigue of skeletal muscles and fluctuating weakness. Myasthenia that affects children can be classified into the following 3 forms: transient neonatal myasthenia, congenital myasthenic syndromes, and juvenile myasthenia gravis (JMG). JMG is an autoimmune disorder that has a tendency to affect the extraocular muscles, but can also affect all skeletal muscles leading to generalized weakness and fatigability. Respiratory muscles may be involved leading to respiratory failure requiring ventilator support...
May 2017: Seminars in Pediatric Neurology
https://www.readbyqxmd.com/read/28941216/safety-tolerability-and-pharmacodynamics-of-abt-122-a-tnf-and-il-17-targeted-dual-variable-domain-immunoglobulin-in-patients-with-ra
#16
Roy M Fleischmann, Frank Wagner, Alan J Kivitz, Heikki T Mansikka, Nasser Khan, Ahmed A Othman, Amit Khatri, Feng Hong, Ping Jiang, Melanie Ruzek, Robert J Padley
OBJECTIVE: Tumor necrosis factor (TNF) and interleukin (IL)-17 independently contribute to the pathophysiology of rheumatoid arthritis (RA). ABT-122 is a novel dual variable domain immunoglobulin that selectively and simultaneously targets human TNF and IL-17A in an effort to evoke a greater clinical response than targeting either cytokine alone. This communication reports the pooled safety, tolerability, and exploratory pharmacodynamics of ABT-122 from two phase 1, placebo-controlled, multiple-dose studies in patients with primarily inactive RA...
September 21, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28941161/from-clinical-observations-and-molecular-dissection-to-novel-therapeutic-strategies-for-primary-immunodeficiency-disorders
#17
REVIEW
Hans D Ochs, Daniel Petroni
The field of primary immunodeficiency diseases (PID) is rapidly expanding with more than 300 genetically defined disorders that have been clinically described and molecularly analyzed. The molecular dissection of these entities has led to the discovery of new immunologic pathways and to novel and effective disease-specific therapies. This review provides a summary of these primary immune defects categorized by clinical phenotype and molecular similarity as defined by the International Union of Immunologic Societies (IUIS) Expert Committee for PID...
September 21, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28941123/renal-involvement-in-primary-sj%C3%A3-gren-s-syndrome-a-retrospective-study-of-103-biopsy-proven-cases-from-a-single-center-in-china
#18
Hua-Xia Yang, Jing Wang, Yu-Bing Wen, Yun-Yun Fei, Meng-Di Jiang, Meng-Yu Zhou, Wen Zhang, Hang Li, Xue-Mei Li, Feng-Chun Zhang, Xue-Wang Li, Xuan Zhang, Li-Meng Chen
AIM: To retrospectively investigate the features of renal involvements in patients with primary Sjögren's syndrome (pSS) with biopsy results. METHODS: A total of 2096 pSS inpatients at Peking Union Medical College Hospital in China from 2005 to 2015 were identified. Patients with biopsy-proven renal involvement (SS-renal) and matched controls (SS-only) were recruited. The clinical and pathologic features as well as treatments and outcomes were systematically analyzed...
September 21, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28940789/personalized-peptide-vaccination-as-second-line-treatment-for-metastatic-upper-tract-urothelial-carcinoma
#19
Shigetaka Suekane, Kousuke Ueda, Kiyoaki Nishihara, Tetsuro Sasada, Takuto Yamashita, Noriko Koga, Shigeru Yutani, Shigeki Shichijo, Kyogo Itoh, Tsukasa Igawa, Masanori Noguchi
This study investigated on the applicability of personalized peptide vaccination (PPV) for patients with metastatic upper tract urothelial cancer (mUTUC) after failure of platinum-based chemotherapy. In this single arm, open-label, phase II clinical trial, patients with mUTUC received PPV at a single institution. PPV treatment used a maximum of four peptides chosen from 27 candidate peptides according to human leukocyte antigen types and peptide-reactive immunoglobulin G titers, for 6 subcutaneous injections weekly as one cycle...
September 22, 2017: Cancer Science
https://www.readbyqxmd.com/read/28940523/epidemiology-of-helicobacter-pylori-infection-in-asymptomatic-schoolchildren-in-bhutan
#20
Sonam Wangda, James M Richter, Pema Kuenzang, Kinley Wangchuk, Tashi Choden, Karma Tenzin, Hoda M Malaty
AIM: Bhutan is a small mountainous country between Tibet and India with relatively homogenous population. According to the World Health Organization, gastric cancer is the most frequent cause of cancer death in Bhutan. This study examined the prevalence of Helicobacter pylori among children in Bhutan with emphasis on water source and living conditions. METHODS: A cross-sectional sero-epidemiologic study was conducted among schoolchildren who attended public schools in Thimphu, Bhutan...
September 22, 2017: Helicobacter
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