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reproductive immunology

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https://www.readbyqxmd.com/read/28430618/t-2-mycotoxin-toxicological-effects-and-decontamination-strategies
#1
REVIEW
Manish Adhikari, Bhawana Negi, Neha Kaushik, Anupriya Adhikari, Abdulaziz A Al-Khedhairy, Nagendra Kumar Kaushik, Eun Ha Choi
Mycotoxins are highly diverse secondary metabolites produced in nature by a wide variety of fungus which causes food contamination, resulting in mycotoxicosis in animals and humans. In particular, trichothecenes mycotoxin produced by genus fusarium is agriculturally more important worldwide due to the potential health hazards they pose. It is mainly metabolized and eliminated after ingestion, yielding more than 20 metabolites with the hydroxy trichothecenes-2 toxin being the major metabolite. Trichothecene is hazardously intoxicating due to their additional potential to be topically absorbed, and their metabolites affect the gastrointestinal tract, skin, kidney, liver, and immune and hematopoietic progenitor cellular systems...
February 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28428937/intravenous-immunoglobulin-g-in-women-with-reproductive-failure-the-korean-society-for-reproductive-immunology-practice-guidelines
#2
REVIEW
Nayoung Sung, Ae Ra Han, Chan Woo Park, Dong Wook Park, Joon Cheol Park, Na Young Kim, Kyung Sil Lim, Ji Eun Shin, Chang Woo Joo, Seung Eun Lee, Jae Won Kim, Sung Ki Lee
The task force of the Korean Society for Reproductive Immunology recommends intravenous immunoglobulin G treatment in women with reproductive failure, including recurrent pregnancy loss and/or repeated implantation failure, who show cellular immune factors such as abnormal natural killer cell levels, natural killer cell cytotoxicity, and/or type 1 T helper immunity.
March 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/28424285/equine-arteritis-virus-has-specific-tropism-for-stromal-cells-and-cd8-t-and-cd21-b-lymphocytes-but-not-glandular-epithelium-at-the-primary-site-of-persistent-infection-in-the-stallion-reproductive-tract
#3
Mariano Carossino, Alan T Loynachan, Igor F Canisso, R Frank Cook, Juliana R Campos, Bora Nam, Yun Young Go, Edward L Squires, Mats H T Troedsson, Thomas Swerczek, Fabio Del Piero, Ernest Bailey, Peter J Timoney, Udeni B R Balasuriya
Equine arteritis virus (EAV) has a global impact on the equine industry being the causative agent of equine viral arteritis (EVA), a respiratory, systemic, and reproductive disease of equids. A distinctive feature of EAV infection is that it establishes long-term persistent infection in 10 to 70% of infected stallions (carriers). In these stallions, EAV is only detectable in the reproductive tract and viral persistence occurs despite the presence of high serum neutralizing antibodies. Carrier stallions constitute the natural reservoir of the virus as they continuously shed EAV in their semen...
April 19, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28413045/effector-mechanisms-of-humoral-immunity-to-porcine-reproductive-and-respiratory-syndrome-virus
#4
REVIEW
Michael C Rahe, Michael P Murtaugh
Porcine reproductive and respiratory syndrome virus (PRRSV) continues to afflict swine nearly 30 years after it was first discovered as the causative agent of "mystery swine disease". Immunological tools of vaccination and exposure to virulent viruses have not succeeded in achieving control and prevention of PRRSV. Humoral immunity, mediated by antibodies, is a hallmark of anti-viral immunity, but little is known about the effector mechanisms of humoral immunity against PRRSV. It is essential to understand the immunological significance of antibody functions, including recently described broadly neutralizing antibodies and potential non-neutralizing activities, in the immune response to PRRSV...
April 2017: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/28401937/progesterone-based-compounds-affect-immune-responses-and-susceptibility-to-infections-at-diverse-mucosal-sites
#5
REVIEW
Olivia J Hall, Sabra L Klein
Over 100 million women worldwide are currently on progesterone-based contraceptives to improve their health outcomes through reduced maternal mortality and family planning. In addition to their role in reproduction, progesterone-based compounds modulate immune responses throughout the body, particularly at mucosal sites. By binding to receptors located in immune cells, including natural killer cells, macrophages, dendritic cells, and T cells, as well in non-immune cells, such as epithelial and endothelial cells, progesterone-based compounds alter cellular signaling and activity to affect the outcome of infections at diverse mucosal sites, including the genital, gastrointestinal, and respiratory tracts...
April 12, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/28401934/vaginal-lactic-acid-elicits-an-anti-inflammatory-response-from-human-cervicovaginal-epithelial-cells-and-inhibits-production-of-pro-inflammatory-mediators-associated-with-hiv-acquisition
#6
A C Hearps, D Tyssen, D Srbinovski, L Bayigga, D J D Diaz, M Aldunate, R A Cone, R Gugasyan, D J Anderson, G Tachedjian
Inflammation in the female reproductive tract (FRT) is associated with increased HIV transmission. Lactobacillus spp. dominate the vaginal microbiota of many women and their presence is associated with reduced HIV acquisition. Here we demonstrate that lactic acid (LA), a major organic acid metabolite produced by lactobacilli, mediates anti-inflammatory effects on human cervicovaginal epithelial cells. Treatment of human vaginal and cervical epithelial cell lines with LA (pH 3.9) elicited significant increases in the production of the anti-inflammatory cytokine IL-1RA...
April 12, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/28398155/seasonal-patterns-of-variation-in-steroid-plasma-levels-and-immune-parameters-in-anurans-from-brazilian-semiarid-area
#7
Carla Bonetti Madelaire, Inna Sokolova, Fernando Ribeiro Gomes
Elevated androgens and glucocorticoids displayed by males during the reproductive season have been proposed to mediate a possible trade-off between reproduction and immunocompetence. Anurans living in arid and semiarid environments display a strong seasonal reproduction, which could accentuate the variation in physiological, immunological, and behavioral parameters. We studied covariation between steroid plasma levels, morphometric variables associated with body condition and immunity, leukocyte profile, parasite load, and response to an immunological challenge across different phases of the annual life-history cycle of three anuran species from a Brazilian semiarid area...
July 2017: Physiological and Biochemical Zoology: PBZ
https://www.readbyqxmd.com/read/28341332/the-viral-innate-immune-antagonism-and-an-alternative-vaccine-design-for-prrs-virus
#8
REVIEW
Hanzhong Ke, Dongwan Yoo
Porcine reproductive and respiratory syndrome (PRRS) remains one of the most economically significant diseases in the swine industry worldwide. The current vaccines are less satisfactory to confer protections from heterologous infections and long-term persistence, and the need for better vaccines are urgent. The immunological hallmarks in PRRSV-infected pigs include the unusually poor production of type I interferons (IFNs-α/β) and the aberrant and delayed adaptive immune responses, indicating that PRRSV has the ability to suppress both innate and adaptive immune responses in the host...
March 18, 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28340492/hemolysis-elevated-liver-enzymes-low-platelets-syndrome-superimposed-on-hemolytic-uremic-syndrome
#9
Inês Martins, Madalena Gomes Conceição, Paulo Pereira Gomes, Nuno Clode
A pregnancy complicated by typical hemolytic uremic syndrome (HUS) and hemolysis, elevated liver enzymes, low platelets (HELLP) syndrome is reported. At 20 weeks of gestation, a case of HUS was diagnosed, with Shiga toxin-producing Escherichia coli identified. Plasmapheresis allowed continuation of the pregnancy for 5 weeks. Superimposed preeclampsia and HELLP syndrome were diagnosed after the establishment of nephrotic range proteinuria, hypertension and recurrence of hemolysis. This is a singular case, as it demonstrates that HELLP syndrome can superimpose upon HUS, a fact that can impact future research on reproductive immunology...
April 2017: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/28339013/immunological-effects-of-occupational-exposure-to-lead-review
#10
Concettina Fenga, Silvia Gangemi, Valentina Di Salvatore, Luca Falzone, Massimo Libra
It is well-known that occupational and environmental exposure to several factors, including benzene, heavy metals, chemicals and mineral fibers, is associated with the risk of developing a great number of diseases. Numerous studies have been carried out in order to investigate the mechanisms of toxicity of these substances, with particular regard to the possible toxic effects on the immune system. However, little is known about the influence of heavy metals, such as lead, on the immune system in human populations...
May 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28328045/micrornas-downregulated-following-immune-activation-of-rat%C3%A2-testis
#11
Mitchell I Parker, Michael A Palladino
PROBLEM: Little is known about how infection and the response to inflammation affect the microRNA (miRNA) profile of the male reproductive tract. We hypothesized that expression of inflammatory-related miRNAs would be altered following immune activation of rat testis. METHOD OF STUDY: Testis total RNA was purified from Sprague-Dawley rats 3 or 6 hours after receiving a 5 mg/kg intraperitoneal injection of bacterial lipopolysaccharide (LPS) and examined by qPCR using an 84-panel miRNA array...
March 22, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28296959/estradiol-alters-the-immune-responsiveness-of-cervical-epithelial-cells-stimulated-with-ligands-of-toll-like-receptors-2-and-4
#12
Behnia S Lashkari, Dilly O C Anumba
The mucosa of the female reproductive tract plays a pivotal role in host defence. Pregnancy must alter immunological mechanisms at this interface to protect the conceptus. We sought to determine how estradiol (E2) alters the immune-responsiveness of cervical epithelial cells to ligand stimulation of Toll-like receptor (TLR)-2 and -4. Human ectocervical epithelial cells (HECECs) were cultured and co-incubated with two concentrations of E2 and peptidoglycan (PGN) or lipopolysaccharide (LPS) over durations that ranged between 10 minutes and 18 hours...
2017: PloS One
https://www.readbyqxmd.com/read/28287530/open-tracheostomy-gastric-acid-aspiration-murine-model-of-acute-lung-injury-results-in-maximal-acute-nonlethal-lung-injury
#13
Ravi Alluri, Hilliard L Kutscher, Barbara A Mullan, Bruce A Davidson, Paul R Knight
Acid pneumonitis is a major cause of sterile acute lung injury (ALI) in humans. Acid pneumonitis spans the clinical spectrum from asymptomatic to acute respiratory distress syndrome (ARDS), characterized by neutrophilic alveolitis, and injury to both alveolar epithelium and vascular endothelium. Clinically, ARDS is defined by acute onset of hypoxemia, bilateral patchy pulmonary infiltrates and non-cardiogenic pulmonary edema. Human studies have provided us with valuable information about the physiological and inflammatory changes in the lung caused by ARDS, which has led to various hypotheses about the underling mechanisms...
February 26, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28284546/accumulation-of-coal-combustion-residues-and-their-immunological-effects-in-the-yellow-bellied-slider-trachemys-scripta-scripta
#14
David L Haskins, Matthew T Hamilton, Amanda L Jones, John W Finger, Robert B Bringolf, Tracey D Tuberville
Anthropogenic activities such as industrial processes often produce copious amounts of contaminants that have the potential to negatively impact growth, survival, and reproduction of exposed wildlife. Coal combustion residues (CCRs) represent a major source of pollutants globally, resulting in the release of potentially harmful trace elements such as arsenic (As), cadmium (Cd), and selenium (Se) into the environment. In the United States, CCRs are typically stored in aquatic settling basins that may become attractive nuisances to wildlife...
March 8, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28271702/update-on-endometriosis-pathogenesis
#15
Adam Czyzyk, Agnieszka Podfigurna, Anna Szeliga, Blazej Meczekalski
Endometriosis is a chronic, inflammatory, condition of high incidence and serious reproductive and general health consequences. Understanding the pathogenesis of endometriosis is crucial for proper diagnostic and ordering the most effective treatment. Even though there is a large body of data regarding this pathology our understanding of the pathogenesis of this disease remains incomplete. The aim of this review is to summarize contemporary data regarding pathogenesis of endometriosis. Current data regarding endometrial origin, metaplastic and Mullerian embryonic rests theory will be reviewed here...
March 7, 2017: Minerva Ginecologica
https://www.readbyqxmd.com/read/28271701/an-update-on-the-biological-markers-of-endometriosis
#16
Razvan Socolov, Demetra Socolov, Allia Sindilar, Ioana Pavaleanu
BACKGROUND: Endometriosis is a disease that affects 7-10% of reproductive-age women. When its diagnosis is delayed, its management becomes more difficult. Both for earlier detection and for therapeutic follow-up, discovering noninvasive biological markers with good specificity for this disease is a promising aspect of its research. We analyzed the recent data in the literature regarding these markers to determine which were worth following. MATERIALS AND METHODS: This literature review focused on medical data reported in the last 6 years (2011-2016)...
March 7, 2017: Minerva Ginecologica
https://www.readbyqxmd.com/read/28250806/cancer-a-disease-at-the-crossroads-of-trade-offs
#17
Camille Jacqueline, Peter A Biro, Christa Beckmann, Anders Pape Moller, François Renaud, Gabriele Sorci, Aurélie Tasiemski, Beata Ujvari, Frédéric Thomas
Central to evolutionary theory is the idea that living organisms face phenotypic and/or genetic trade-offs when allocating resources to competing life-history demands, such as growth, survival, and reproduction. These trade-offs are increasingly considered to be crucial to further our understanding of cancer. First, evidences suggest that neoplastic cells, as any living entities subject to natural selection, are governed by trade-offs such as between survival and proliferation. Second, selection might also have shaped trade-offs at the organismal level, especially regarding protective mechanisms against cancer...
March 2017: Evolutionary Applications
https://www.readbyqxmd.com/read/28249007/safety-evaluation-of-a-vaccine-effect-in-maternal-reproductive-outcome-and-fetal-anomaly-frequency-in-rats-using-a-leishmanial-vaccine-as-a-model
#18
Rafaianne Q Moraes-Souza, Ana Paula Reinaque, Thaigra S Soares, Ana Luiza T Silva, Rodolfo C Giunchetti, Maria A S Takano, Milena A Akamatsu, Flávia S Kubrusly, Fernanda Lúcio-Macarini, Isaias Raw, Dmitri Iourtov, Paulo Lee Ho, Lilian L Bueno, Ricardo T Fujiwara, Gustavo T Volpato
While the immunogenic potential of the vaccination against infectious diseases was extensively shown, data on the safety assessment of recombinant proteins in vaccine formulations administered during pregnancy are still scarce. In the current study, the antigenicity of a vaccine against leishmaniasis (based on Leishmania braziliensis recombinant protein peroxidoxin) during pregnancy and possible maternal reproductive outcomes and fetal anomalies after immunization with a leishmanial vaccine or adjuvant alone (Bordetella pertussis derived MPLA adjuvant) were assessed...
2017: PloS One
https://www.readbyqxmd.com/read/28247155/purification-and-development-of-elisas-for-two-forms-of-vitellogenin-in-indian-walking-catfish-clarias-batrachus-l
#19
S Mahapatra, Sk Kabita, D Bhattacharya, S Sarkar, S K Juin, S Maitra, P Nath
Two forms of vitellogenin (Vg: Vg1 and Vg2) were purified from the plasma of estradiol-17β (E2)-treated Indian walking catfish, Clarias batrachus, by gel filtration and adsorption chromatography. Native Vg1 and Vg2 had apparent molecular masses of 375 and 450 kDa, respectively, and both Vgs resolved into two similar major bands (95 and 67 kDa) in SDS-PAGE under reducing condition. Polyclonal antisera raised against each form of Vg were absorbed with a combination of hypophysectomized male catfish serum proteins and alternate Vg to ensure specificity...
February 28, 2017: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/28228286/reproductive-immunology-time-to-look-forward
#20
EDITORIAL
Gendie Lash
No abstract text is available yet for this article.
February 2017: Journal of Reproductive Immunology
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