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https://www.readbyqxmd.com/read/28102816/clinicopathological-features-diagnosis-and-treatment-of-iga-nephropathy-with-minimal-change-disease-related-to-exposure-to-mercury-containing-cosmetics-a-case-report%C3%A2
#1
Hong-Xin Niu, Shen-Heng Li, Hong-Ying Li, Yi-Hua Chen, Wei-Wei Liu, Pei-Lin Li, Hai-Bo Long
AIM: Membranous nephropathy and minimal change disease (MCD) have been involved in mercury-induced nephrotic syndrome. IgA nephropathy is not known to be a common pathological type. In the present article, we report a case of IgA nephropathy with MCD following exposure to mercury-containing skin lightening cream. MATERIAL AND METHODS: The patient was a 39-year-old woman who presented with nephrotic syndrome. She had a 6-month history of using as many as 8 kinds of skin-lightening creams, and urinary mercury excretion was high...
January 19, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28100808/correction-for-lund-et-al-hiv-1-neutralizing-iga-detected-in-genital-secretions-of-highly-hiv-1-exposed-seronegative-women-on-oral-preexposure-prophylaxis
#2
Jennifer M Lund, Kristina Broliden, Maria N Pyra, Katherine K Thomas, Deborah Donnell, Elizabeth Irungu, Timothy R Muwonge, Nelly Mugo, Madhuri Manohar, Marianne Jansson, Romel Mackelprang, Mark A Marzinke, Jared M Baeten, Jairam R Lingappa
No abstract text is available yet for this article.
February 1, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28100682/diet-derived-short-chain-fatty-acids-stimulate-intestinal-epithelial-cells-to-induce-mucosal-tolerogenic-dendritic-cells
#3
Gera Goverse, Rosalie Molenaar, Laurence Macia, Jian Tan, Martje N Erkelens, Tanja Konijn, Marlene Knippenberg, Emma C L Cook, Diana Hanekamp, Marc Veldhoen, Anita Hartog, Guus Roeselers, Charles R Mackay, Reina E Mebius
The gastrointestinal tract is continuously exposed to many environmental factors that influence intestinal epithelial cells and the underlying mucosal immune system. In this article, we demonstrate that dietary fiber and short chain fatty acids (SCFAs) induced the expression of the vitamin A-converting enzyme RALDH1 in intestinal epithelial cells in vivo and in vitro, respectively. Furthermore, our data showed that the expression levels of RALDH1 in small intestinal epithelial cells correlated with the activity of vitamin A-converting enzymes in mesenteric lymph node dendritic cells, along with increased numbers of intestinal regulatory T cells and a higher production of luminal IgA...
January 18, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28099884/characterization-of-human-and-staphylococcus-aureus-proteins-in-respiratory-mucosa-by-in-vivo-and-immunoproteomics
#4
Frank Schmidt, Tanja Meyer, Nandakumar Sundaramoorthy, Stephan Michalik, Kristin Surmann, Maren Depke, Vishnu Dhople, Manuela Gesell Salazar, Gabriele Holtappels, Nan Zhang, Barbara M Bröker, Claus Bachert, Uwe Völker
: Staphylococcus aureus is a Gram-positive opportunistic bacterium which can be found as a commensal in the nares of about 50% of the human population. Besides asymptomatic carriage, S. aureus has also been found to colonize nasal polyps, a subform of chronic rhinosinusitis, in 60 to 100% of cases, and even reside intracellularly in nasal polyp tissue. The aim of this study was to shed light on the behavior of S. aureus in the human airways by analyzing S. aureus-specific proteins in nasal polyp tissue from patients with chronic rhinosinusitis and to characterize the immunogenic potential of the identified (mainly secreted) proteins...
January 15, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28098373/intercellular-iga-dermatosis
#5
D Tsuruta
No abstract text is available yet for this article.
January 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28097088/icariin-ameliorates-iga-nephropathy-by-inhibition-of-nuclear-factor-kappa-b-nlrp3-pathway
#6
Lei Zhang, Xing-Zhi Wang, Yu-Shu Li, Lei Zhang, Li-Rong Hao
Immunoglobulin A nephropathy (IgAN) is the most frequent form of glomerulonephritis, which is characterized by glomerular proliferation and renal inflammation. Icariin is a flavonoid from the Chinese herb Epimedium, and its anti-inflammatory effect has been reported. This study aimed to investigate the effects of icariin on the renal damage in IgAN rats and the mechanisms behind these effects. IgAN model was established in Sprague-Dawley rats by oral and intravenous immunization with bovine gamma-globulin for 12 weeks, and rats were treated with icariin from 12 to 18 weeks...
January 2017: FEBS Open Bio
https://www.readbyqxmd.com/read/28095803/increased-glomerulonephritis-recurrence-after-living-related-donation
#7
A L Kennard, S H Jiang, G D Walters
BACKGROUND: Kidney transplantation confers superior outcomes for patients with end stage kidney disease, and live donor kidneys associate with superior outcomes compared to deceased donor kidneys. Modern immunosuppression has improved rejection rates and transplant survival and, as a result, recurrence of glomerulonephritis has emerged as a major cause of allograft loss. However, many glomerulonephritides have significant genetic risk which may manifest through kidney intrinsic or systemic mechanisms...
January 17, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28095573/results-of-a-phase-2-randomized-vehicle-controlled-study-evaluating-the-efficacy-tolerability-and-safety-of-daily-or-twice-daily-sb204-for-the-treatment-of-acne-vulgaris
#8
Lawrence F Eichenfield, Linda Stein Gold, Walter K Nahm, Fran E Cook-Bolden, David M Pariser
OBJECTIVE: This randomized, double-blind, placebo-controlled, Phase 2 study compared efficacy, tolerability, and safety of SB204 once or twice daily to vehicle in the treatment of acne vulgaris. METHODS: Eligible subjects were to be between 12 and 40 years old, have facial acne vulgaris with 25 to 70 non-inflammatory lesions, 20 to 40 inflammatory lesions, no more than 2 nodules, and a baseline Investigator's Global Assessment (IGA) score of moderate or severe. The co-primary efficacy endpoints were the absolute change in inflammatory and non-inflammatory lesion counts and IGA success rate (baseline to week 12)...
December 1, 2016: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28091579/impact-of-age-and-vaccination-history-on-long-term-serological-responses-after-symptomatic-b-pertussis-infection-a-high-dimensional-data-analysis
#9
Inonge van Twillert, Axel A Bonačić Marinović, Betsy Kuipers, Jacqueline A M van Gaans-van den Brink, Elisabeth A M Sanders, Cécile A C M van Els
Capturing the complexity and waning patterns of co-occurring immunoglobulin (Ig) responses after clinical B. pertussis infection may help understand how the human host gradually loses protection against whooping cough. We applied bi-exponential modelling to characterise and compare B. pertussis specific serological dynamics in a comprehensive database of IgG, IgG subclass and IgA responses to Ptx, FHA, Prn, Fim2/3 and OMV antigens of (ex-) symptomatic pertussis cases across all age groups. The decay model revealed that antigen type and age group were major factors determining differences in levels and kinetics of Ig (sub) classes...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28090187/recurrent-intestinal-obstruction-in-a-patient-with-selective-iga-deficiency
#10
Chee-Kin Hui
A 32 year old woman presented with acute onset of abdominal pain and fever. An urgent computerised tomography (CT) of the whole abdomen showed dilated loop at the terminal ileum in the right lower abdomen with thickening of the wall and oedema. The CT was suggestive of distal small bowel obstruction at the ileum with surrounding wall oedema. Multiple biopsies taken from the terminal ileum and colon on colonoscopy were all unremarkable. She represented one-year later with a recurrence of intestinal obstruction...
November 2016: Malaysian Journal of Medical Sciences: MJMS
https://www.readbyqxmd.com/read/28089686/simulations-of-cytochrome-p450-3a4-mediated-drug-drug-interactions-by-simple-two-compartment-model-assisted-static-method
#11
Katsumi Iga, Akiko Kiriyama
In order to predict cytochrome P450 3A4 (CYP3A4)-mediated drug-drug interactions (DDIs), a simple two-compartment model assisted, overall inhibition-activity (Ai, overall) method was derived based upon two concepts. One concept was that the increase in blood victim-level and fold increase in the area under the blood victim-level curve (AUCR) produced by DDI are determined entirely by Ai, overall, the hepatic availability of the victim and fraction of urinary excreted unchanged victim, where Ai, overall is determined by the perpetrator-specific CYP isoform inhibition activities (Ai,CYPs, DDI predictor-1) and victim-specific fractional CYP isoform contributions (fm,CYPs, predictor-2)...
January 12, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28089548/nanoformulation-of-synergistic-tlr-ligands-to-enhance-vaccination-against-entamoeba-histolytica
#12
Mayuresh M Abhyankar, Zannatun Noor, Mark A Tomai, James Elvecrog, Christopher B Fox, William A Petri
Diarrheal infectious diseases represent a major cause of global morbidity and mortality. There is an urgent need for vaccines against diarrheal pathogens, especially parasites. Modern subunit vaccines rely on combining a highly purified antigen with an adjuvant to increase their efficacy. In the present study, we evaluated the ability of a nanoliposome adjuvant system to trigger a strong mucosal immune response to the Entamoeba histolytica Gal/GalNAc lectin LecA antigen. CBA/J mice were immunized with alum, emulsion or liposome based formulations containing synthetic TLR agonists...
January 12, 2017: Vaccine
https://www.readbyqxmd.com/read/28086991/does-waterfall-aerosol-influence-mucosal-immunity-and-chronic-stress-a-randomized-controlled-clinical-trial
#13
Carina Grafetstätter, Martin Gaisberger, Johanna Prossegger, Markus Ritter, Predrag Kolarž, Christina Pichler, Josef Thalhamer, Arnulf Hartl
BACKGROUND: The specific microclimate of alpine waterfalls with high levels of ionized water aerosols has been suggested to trigger beneficial immunological and psychological effects. In the present three-armed randomized controlled clinical study, we focused on effects on (i) immunological reagibility, on (ii) physiological stress responses, and on (iii) stress-related psychological parameters. METHODS: People with moderate to high stress levels (n = 65) spent an active sojourn with daily hiking tours in the National Park Hohe Tauern (Großkirchheim, Austria)...
January 13, 2017: Journal of Physiological Anthropology
https://www.readbyqxmd.com/read/28086979/b-cell-repertoires-in-hla-sensitized-kidney-transplant-candidates-undergoing-desensitization-therapy
#14
John F Beausang, H Christina Fan, Rene Sit, Maria U Hutchins, Kshama Jirage, Rachael Curtis, Edward Hutchins, Stephen R Quake, Julie M Yabu
BACKGROUND: Kidney transplantation is the most effective treatment for end-stage renal disease. Sensitization refers to pre-existing antibodies against human leukocyte antigen (HLA) protein and remains a major barrier to successful transplantation. Despite implementation of desensitization strategies, many candidates fail to respond. Our objective was to determine whether measuring B cell repertoires could differentiate candidates that respond to desensitization therapy. METHODS: We developed an assay based on high-throughput DNA sequencing of the variable domain of the heavy chain of immunoglobulin genes to measure changes in B cell repertoires in 19 highly HLA-sensitized kidney transplant candidates undergoing desensitization and 7 controls with low to moderate HLA sensitization levels...
January 13, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28081165/urine-concentrating-capacity-vasopressin-and-copeptin-in-adpkd-and-iga-nephropathy-patients-with-renal-impairment
#15
Debbie Zittema, Niek F Casteleijn, Stephan J L Bakker, Lianne S M Boesten, A A Margreeth Duit, Casper F M Franssen, Carlo A J M Gaillard, Ron T Gansevoort
BACKGROUND: Autosomal Dominant Polycystic Kidney Disease (ADPKD) patients have an impaired urine concentrating capacity. Increased circulating vasopressin (AVP) concentrations are supposed to play a role in the progression of ADPKD. We hypothesized that ADPKD patients have a more severely impaired urine concentrating capacity in comparison to other patients with chronic kidney disease at a similar level of kidney function, with consequently an enhanced AVP response to water deprivation with higher circulating AVP concentrations...
2017: PloS One
https://www.readbyqxmd.com/read/28079922/iga-tracheobronchial-deposits-underlie-respiratory-compromise-in-neonatal-linear-iga-bullous-dermatosis
#16
A Diociaiuti, G Zambruno, F Diomedi Camassei, G Di Zenzo, I Capolupo, F Stoppa, V Forziati, M El Hachem
The childhood variant of linear IgA bullous dermatosis (LABD) is characterized by blistering lesions of the perineum and perioral area with an annular or "rosette-like" arrangement, in addition to the pathognomonic linear IgA deposits along the cutaneous basement membrane zone (BMZ).(1) The disease mainly occurs in preschool children.(1) However, a handful of neonatal cases have been described, most of them presenting with severe mucosal involvement.(2-8) We report an additional case of neonatal LABD with life-threatening respiratory tract manifestations...
January 12, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28079608/mortality-and-differential-diagnoses-of-villous-atrophy-without-coeliac-antibodies
#17
Annalisa Schiepatti, Federico Biagi, Giacomo Fraternale, Claudia Vattiato, Davide Balduzzi, Simona Agazzi, Claudia Alpini, Catherine Klersy, Gino R Corazza
OBJECTIVE: Villous atrophy (VA) of the small bowel is mainly related to coeliac disease (CD), whose diagnosis is made on the basis of positive endomysial/tissue transglutaminase antibodies while on a gluten-containing diet in the vast majority of patients. However, VA can also occur in other conditions whose epidemiology is little known. Our aim was to study the epidemiology and clinical features of these rare enteropathies. PATIENTS AND METHODS: Clinical and laboratory data of all the patients with VA directly diagnosed in our centre in the last 15 years were collected and statistically analysed...
January 11, 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28078662/low-immunoglobulin-e-flags-two-distinct-types-of-immune-dysregulation
#18
M Elkuch, V Greiff, C T Berger, M Bouchenaki, T Daikeler, A Bircher, A A Navarini, I Heijnen, M Recher
During the last two decades, hyper-immunoglobulin (Ig)E syndromes have been characterized clinically and molecularly in patients with genetically determined primary immunodeficiencies. However, the detection of low IgE levels, defined here as below detection limit in the routine clinical immunology laboratory, has received little attention. We analysed the association of serum IgA, IgM and IgG levels (including IgG subclasses) with low, normal or high serum IgE levels in patients evaluated in a single-centre out-patient immunodeficiency and allergy clinic...
January 11, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28077440/monophosphoryl-lipid-a-enhances-efficacy-of-a-francisella-tularensis-lvs-catanionic-nanoparticle-subunit-vaccine-against-f-tularensis-schu-s4-challenge-by-augmenting-both-humoral-and-cellular-immunity
#19
Katharina Richard, Barbara J Mann, Aiping Qin, Eileen M Barry, Robert K Ernst, Stefanie N Vogel
Francisella tularensis, a bacterial biothreat agent, has no approved vaccine in the USA. Previously, we showed that incorporating lysates from partially attenuated F. tularensis LVS or fully virulent F. tularensis Schu S4 strains into catanionic surfactant vesicle (V) nanoparticles (LVS-V and Schu S4-V, respectively) protected fully against F. tularensis LVS intraperitoneal (i.p.) challenge in mice. However, we achieved only partial protection against F. tularensis Schu S4 intranasal (i.n.) challenge, even when employing heterologous prime/boost immunization strategies...
January 11, 2017: Clinical and Vaccine Immunology: CVI
https://www.readbyqxmd.com/read/28076511/passive-acquisition-of-anti-staphylococcus-aureus-antibodies-by-newborns-via-transplacental-transfer-and-breastfeeding-regardless-of-maternal-colonization
#20
Maria Isabel Valdomir Nadaf, Laila Lima, Inês Stranieri, Olga Akiko Takano, Magda Carneiro-Sampaio, Patricia Palmeira
OBJECTIVE: To investigate the transmission of anti-Staphylococcus aureus (Sa) IgG, IgG1 and IgG2 via placental transfer and the transfer of IgA via the colostrum according to maternal Sa carrier status at delivery. METHODS: We evaluated anti-Sa IgG, IgG1 and IgG2 in maternal and cord sera and IgA in colostrum from a case (n=49, Sa+) and a control group (n=98, Sa-). RESULTS: Of the 250 parturients analyzed for this study, 49 were nasally colonized with S...
December 1, 2016: Clinics
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