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reproductive immunology

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https://www.readbyqxmd.com/read/28328045/micrornas-downregulated-following-immune-activation-of-rat%C3%A2-testis
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
EDITORIAL
Gendie Lash
No abstract text is available yet for this article.
February 2017: Journal of Reproductive Immunology
https://www.readbyqxmd.com/read/28224678/microbiome-autoimmunity-allergy-and-helminth-infection-the-importance-of-the-pregnancy-period
#11
Xian Chen, Su Liu, Qiao Tan, Yehuda Shoenfeld, Yong Zeng
Pregnancy is a special physical period in reproductive age women, which has a beneficial influence on the course of certain autoimmune diseases. It has been recently suggested that the microbiome undergoes profound changes during pregnancy that are associated with host physiological and immunological adaptations. The maternal microbiome remodeling during pregnancy is an active response of the mother, possibly to alter immune system status and to facilitate metabolic and immunological adaptations, which are needed for a successful pregnancy...
February 21, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28223455/acute-fetal-demise-with-first-trimester-maternal-infection-resulting-from-listeria-monocytogenes-in-a-nonhuman-primate-model
#12
Bryce Wolfe, Gregory J Wiepz, Michele Schotzko, Gennadiy I Bondarenko, Maureen Durning, Heather A Simmons, Andres Mejia, Nancy G Faith, Emmanuel Sampene, Marulasiddappa Suresh, Sophia Kathariou, Charles J Czuprynski, Thaddeus G Golos
Infection with Listeria monocytogenes during pregnancy is associated with miscarriage, preterm birth, and neonatal complications, including sepsis and meningitis. While the risk of these conditions is thought to be greatest during the third trimester of pregnancy, the determinants of fetoplacental susceptibility to infection, the contribution of gestational age, and the in vivo progression of disease at the maternal-fetal interface are poorly understood. We developed a nonhuman primate model of listeriosis to better understand antecedents of adverse pregnancy outcomes in early pregnancy...
February 21, 2017: MBio
https://www.readbyqxmd.com/read/28220080/validation-of-a-method-for-the-assessment-of-urinary-neopterin-levels-to-monitor-health-status-in-non-human-primate-species
#13
Verena Behringer, Jeroen M G Stevens, Fabian H Leendertz, Gottfried Hohmann, Tobias Deschner
Determining individual health status is of great importance for a better understanding of life history trade-offs between growth, reproduction, and maintenance. However, existing immunological methods are invasive and therefore not suitable for investigating health status in wild populations. Thus, there is an urgent need for non-invasive methods to assess the immune status of animals. Neopterin is involved in the cell-mediated pathway of the immune response (Th1-type), secreted during the activation of monocytes and macrophages...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28214848/human-birth-weight-and-reproductive-immunology-testing-for-interactions-between-maternal-and-offspring-kir-and-hla-c-genes
#14
Michelle M Clark, Olympe Chazara, Eric M Sobel, Håkon K Gjessing, Per Magnus, Ashley Moffett, Janet S Sinsheimer
BACKGROUND/AIMS: Maternal and offspring cell contact at the site of placentation presents a plausible setting for maternal-fetal genotype (MFG) interactions affecting fetal growth. We test hypotheses regarding killer cell immunoglobulin-like receptor (KIR) and HLA-C MFG effects on human birth weight by extending the quantitative MFG (QMFG) test. METHODS: Until recently, association testing for MFG interactions had limited applications. To improve the ability to test for these interactions, we developed the extended QMFG test, a linear mixed-effect model that can use multi-locus genotype data from families...
February 18, 2017: Human Heredity
https://www.readbyqxmd.com/read/28188686/toxic-effects-of-tio2-nanoparticles-in-primary-cultured-rat-sertoli-cells-are-mediated-via-a-dysregulated-ca-2-pkc-p38-mapk-nf-%C3%AE%C2%BAb-cascade
#15
Lingqun Ye, Fashui Hong, Xiao Ze, Lingjuan Li, Yaoming Zhou, Yuguan Ze
Although numerous studies have demonstrated that titanium dioxide nanoparticles (TiO2 NPs) can be accumulated in various animal organs and can cause toxicity, there is currently only limited data regarding reproductive toxicity especially on the toxic mechanisms of TiO2 NPs in Sertoli cells. In order to investigate the mechanism of reproductive toxicity, primary cultured rat Sertoli cells were exposed to 5, 15, or 30 μg/mL TiO2 NPs for 24 h, and TiO2 NPs internalization, expression of PKC (p-PKC) and p38 MAPK (p-p38 MAPK) as well as calcium homeostasis were examined...
February 11, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28188592/redirecting-reproductive-immunology-research-toward-pregnancy-as-a-period-of-temporary-immune-tolerance
#16
Norbert Gleicher, Vitaly A Kushnir, David H Barad
Referring to two recent publications, we here propose that clinical reproductive immunology has for decades stagnated because reproductive medicine, including assisted reproduction (AR), has failed to accept embryo implantation as an immune system-driven process, dependent on establishment of maternal tolerance toward the implanting fetal semi-allograft (and complete allograft in cases of oocyte donation). Pregnancy represents a biologically unique period of temporary (to the period of gestation restricted) tolerance, otherwise only known in association with parasitic infections...
February 10, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28177360/genomewide-association-of-piglet-responses-to-infection-with-one-of-two-porcine-reproductive-and-respiratory-syndrome-virus-isolates
#17
E H Waide, C K Tuggle, N V L Serão, M Schroyen, A Hess, R R R Rowland, J K Lunney, G Plastow, J C M Dekkers
Porcine reproductive and respiratory syndrome (PRRS) is a devastating disease in the swine industry. Identification of host genetic factors that enable selection for improved performance during PRRS virus (PRRSV) infection would reduce the impact of this disease on animal welfare and production efficiency. We conducted genomewide association study (GWAS) analyses of data from 13 trials of approximately 200 commercial crossbred nursery-age piglets that were experimentally infected with 1 of 2 type 2 isolates of PRRSV (NVSL 97-7985 [NVSL] and KS2006-72109 [KS06])...
January 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28164685/declined-natural-killer-cells-emerging-in-women-with-unexplained-recurrent-spontaneous-abortion-and-further-reducing-after-medical-therapy
#18
Xianghua Lin, Dijin Lin, Jiao Liu, Yunwen Bao, Zhaofan Luo, Junyue Fang, Ying Wang, Mingpeng Zhao, Chaohui Duan
BACKGROUND: As focus grows on reproduction, the issue of Recurrent Spontaneous Abortion (RSA), especially for unexplained reasons (URSA), is grabbing more and more attention in gynecological immunology. We investigated the changes of peripheral lymphocyte subsets focusing on whether they had some relationship with development of URSA. METHODS: The percentage and absolute count of lymphocyte subsets (T cells, Th cells, Ts cells, B cells, NK cells) were simultaneously evaluated by flow cytometry in URSA patients (n = 48) and healthy controls (HC, n = 22)...
November 1, 2016: Clinical Laboratory
https://www.readbyqxmd.com/read/28125737/interleukin-21-drives-proliferation-and-differentiation-of-porcine-memory-b-cells-into-antibody-secreting-cells
#19
Michael C Rahe, Michael P Murtaugh
Immunological prevention of infectious disease, especially viral, is based on antigen-specific long-lived memory B cells. To test for cellular proliferation and differentiation factors in swine, an outbred model for humans, CD21+ B cells were activated in vitro with CD40L and stimulated with purported stimulatory cytokines to characterize functional responses. IL-21 induced a 3-fold expansion in total cell numbers with roughly 15% of all B cells differentiating to IgM or IgG antibody secreting cells (ASCs.) However, even with robust proliferation, cellular viability rapidly deteriorated...
2017: PloS One
https://www.readbyqxmd.com/read/28120462/research-priority-setting-in-organ-transplantation-a-systematic-review
#20
Allison Tong, Benedicte Sautenet, Jeremy R Chapman, Claudia Harper, Peter MacDonald, Nicholas Shackel, Sally Crowe, Camilla Hanson, Sophie Hill, Anneliese Synnot, Jonathan C Craig
Barriers to access and long-term complications remain a challenge in transplantation. Further advancements may be achieved through research priority setting with patient engagement to strengthen its relevance. We evaluated research priority setting in solid organ transplantation and described stakeholder priorities. Databases were searched to October 2016. We synthesized the findings descriptively. The 28 studies (n = 2071 participants) addressed kidney [9 (32%)], heart [7 (25%)], liver [3 (11%)], lung [1 (4%)], pancreas [1 (4%)], and nonspecified organ transplantation [7 (25%)] using consensus conferences, expert panel meetings, workshops, surveys, focus groups, interviews, and the Delphi technique...
January 25, 2017: Transplant International: Official Journal of the European Society for Organ Transplantation
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