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https://www.readbyqxmd.com/read/28618666/the-toxicity-of-oil-sands-process-affected-water-ospw-a-critical-review
#1
REVIEW
Chao Li, Li Fu, James Stafford, Miodrag Belosevic, Mohamed Gamal El-Din
Large volumes of oil sands process-affected water (OSPW) are produced by the surface-mining oil sands industry in Alberta. Both laboratory and field studies have demonstrated that the exposure to OSPW leads to many physiological changes in a variety of organisms. Adverse effects include compromised immunological function, developmental delays, impaired reproduction, disrupted endocrine system, and higher prevalence of tissue-specific pathological manifestations. The composition of OSPW varies with several factors such as ore sources, mining process, and tailings management practices...
June 11, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28608816/mechanisms-of-adaptive-immunity-to-porcine-reproductive-and-respiratory-syndrome-virus
#2
REVIEW
Michael C Rahe, Michael P Murtaugh
The adaptive immune response is necessary for the development of protective immunity against infectious diseases. Porcine reproductive and respiratory syndrome virus (PRRSV), a genetically heterogeneous and rapidly evolving RNA virus, is the most burdensome pathogen of swine health and wellbeing worldwide. Viral infection induces antigen-specific immunity that ultimately clears the infection. However, the resulting immune memory, induced by virulent or attenuated vaccine viruses, is inconsistently protective against diverse viral strains...
June 13, 2017: Viruses
https://www.readbyqxmd.com/read/28602235/influence-of-heavy-metal-contamination-on-urban-natural-enemies-and-biological-control
#3
REVIEW
Mary M Gardiner, James D Harwood
Urban agriculture is increasing worldwide. A history of contamination within urban landscapes may negatively impact the biota necessary for sustainable crop production, including arthropod natural enemies. This investigation revealed that heavy metal contamination can influence the composition of natural enemy communities and exposure can have reproductive, developmental, immunological and behavioral impacts on predators and parasitoids. Natural enemies exposed to heavy metals typically live shorter lives, take longer to develop and exhibit a reduced reproductive potential...
April 2017: Current Opinion in Insect Science
https://www.readbyqxmd.com/read/28591167/genomic-analysis-of-stayability-in-nellore-cattle
#4
Daniela Barreto Amaral Teixeira, Gerardo Alves Fernandes Júnior, Danielly Beraldo Dos Santos Silva, Raphael Bermal Costa, Luciana Takada, Daniel Gustavo Mansan Gordo, Tiago Bresolin, Roberto Carvalheiro, Fernando Baldi, Lucia Galvão de Albuquerque
Stayability, which can be defined as the probability of a cow calving at a certain age when given the opportunity, is an important reproductive trait in beef cattle because it is directly related to herd profitability. The objective of this study was to estimate genetic parameters and to identify possible genomic regions associated with the phenotypic expression of stayability in Nellore cows. The variance components were estimated by Bayesian inference using a threshold animal model that included the systematic effects of contemporary group and sexual precocity and the random effects of animal and residual...
2017: PloS One
https://www.readbyqxmd.com/read/28585704/the-regulations-and-role-of-circadian-clock-and-melatonin-in-uterine-receptivity-and-pregnancy-an-immunological-perspective
#5
Gene Chi Wai Man, Tao Zhang, Xiaoyan Chen, Jianzhang Wang, Fangrong Wu, Yingyu Liu, Chi Chiu Wang, Ying Cheong, Tin Chiu Li
During normal pregnancy, the mechanism by which the fetus escapes immunological rejection by the maternal womb remains elusive. Given the biological complexities, the immunological mechanism is unlikely to be simply an allograft response in acceptance or rejection of the early pregnancy. Circadian clock responsible for the mammalian circadian rhythm is an endogenously generated rhythm associated with almost all physiological processes including reproduction. There is now growing evidence to suggest that the circadian clocks are intricately linked to the immune system and pregnancy...
June 6, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28555812/lung-resident-%C3%AE-%C3%AE-t-cells-and-their-roles-in-lung-diseases
#6
REVIEW
Min Cheng, Shilian Hu
γδ T cells are greatly enriched in mucosal and epithelial sites, such as the skin, respiratory, digestive and reproductive tracts, and they are defined as tissue-resident immune cells. In these tissues, the characteristics and biological roles of γδ T cells are distinguished from each other. The lungs represent the most challenging immunological dilemma for the host, and they have their own effective immune system. The abundance of γδ T cells, an estimated 8-20% of resident pulmonary lymphocytes in the lung, maintains lung tissue homeostasis...
May 29, 2017: Immunology
https://www.readbyqxmd.com/read/28552052/insect-peptides-perspectives-in-human-diseases-treatment
#7
Szymon Chowański, Zbigniew Adamski, Jan Lubawy, Paweł Marciniak, Joanna Pacholska-Bogalska, Małgorzata Słocińska, Marta Spochacz, Monika Szymczak, Arkadiusz Urbański, Karolina Walkowiak-Nowicka, Grzegorz Rosiński
Insects are the largest and the most widely distributed group of animals in the world. Their diversity gives rise to an incredible variety of different mechanisms for the regulation of life processes. There are many agents that regulate immunology, reproduction, growth and development or metabolism. Hence, it seems that insects may be a source of numerous substances with utility for the treatment human diseases. Of particular importance in the regulation of insect physiology are peptides, including neuropeptides, peptide hormones and antimicrobial peptides...
May 26, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28551078/effects-of-a-tissue-selective-estrogen-complex-on-b-lymphopoiesis-and-b-cell-function
#8
Jauquline Nordqvist, Angelina Bernardi, Ulrika Islander, Hans Carlsten
BACKGROUND/OBJECTIVE: 17β-estradiol (E2) has major effects on the immune system. It induces thymic atrophy, inhibits both T and B lymphopoiesis and stimulates antibody production treatment with E2 has protective effects on the skeleton but is associated with negative side effects in reproductive organs. A tissue-selective estrogen complex (TSEC) comprise of estrogens combined with a selective estrogen receptor modulator (SERM). TSEC therapy displays the bone-protective effects of estrogen, while the negative side effects on reproductive organs are blocked by the SERM...
August 2017: Immunobiology
https://www.readbyqxmd.com/read/28526042/c-kit-receptor-immunopositive-interstitial-cells-cajal-type-in-the-porcine-reproductive-tract
#9
Malgorzata Domino, Bartosz Pawlinski, Romuald Zabielski, Zdzislaw Gajewski
BACKGROUND: Interstitial Cajal cells have been suspected as being the pacemaker cells of smooth muscle motor activity and discharging slow triggering waves in the gut as well as in other organs containing smooth muscles where they are known as interstitial Cajal-like cells (ICLC). The present study describes ICLC localization and density in the porcine oviduct and uterus. Differences in ICLC density were examined using histological, immunohistochemical and immunofluorescent methods and c-kit expression was determined...
May 19, 2017: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/28523429/kir-lilrb-and-their-ligands-genes-as-potential-biomarkers-in-recurrent-implantation-failure
#10
REVIEW
Izabela Nowak, Karolina Wilczyńska, Jacek R Wilczyński, Andrzej Malinowski, Paweł Radwan, Michał Radwan, Piotr Kuśnierczyk
Reproductive failure in humans is a very important social and economic problem, because nowadays women decide to conceive later in life and delay motherhood. Unfortunately, with increasing age they have less chance for natural fertilization and maintenance of pregnancy. Many of them need assisted reproductive technology. Approximately 10% of women after in vitro fertilization-embryo transfers experience recurrent implantation failure (RIF). Multiple factors may contribute to RIF, including oocyte and sperm quality, parental chromosomal anomalies, genetic or metabolic abnormalities of the embryo, poor uterine receptivity, immunological disturbances in the implantation site, and some gynecologic pathologies such as endometriosis, uterine fibroids, hydrosalpinx and endometrial polyps...
May 18, 2017: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/28501368/contribution-of-immunology-to-implantation-failure-of-euploid-embryos
#11
REVIEW
Jason M Franasiak, Richard T Scott
Outcomes in assisted reproduction have seen marked improvement. With increased ability in the embryology laboratory to use extended embryo culture which in turn enables other selective techniques, such as trophectoderm biopsy and comprehensive chromosome screening, the chance of success per embryo transfer is increased. However, even the selection of a euploid blastocyst, which selects out many embryonic factors, does not yield successful implantation and ultimately delivery in all cases. Among the factors that affect implantation failure of apparently reproductively competent embryos, the immune system has been perhaps both the most plausible and the most debated...
June 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28501364/immune-modulation-treatments-where-is%C3%A2-the-evidence
#12
REVIEW
Malene Meisner Hviid, Nick Macklon
While advances in assisted reproductive techniques have been substantial, failure of the apparently viable embryo to implant remains a source of distress and frustration to patients and specialists alike. The unique maternal immunological response to the embryo and the notion that defects in early placentation underlie the great complications of pregnancy have focused attention on the therapeutic potential of peri-implantation immunomodulation. On the face of it, the rationale for this approach is very attractive...
June 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28499964/life-history-dependent-relationships-between-body-condition-and-immunity-between-immunity-indices-in-male-eurasian-tree-sparrows
#13
Yuliang Zhao, Mo Li, Yanfeng Sun, Wei Wu, Guanqun Kou, Lingling Guo, Danning Xing, Yuefeng Wu, Dongming Li, Baohua Zhao
In free-living animals, recent evidence indicates that innate, and acquired, immunity varies with annual variation in the demand for, and availability of, food resources. However, little is known about how animals adjust the relationships between immunity and body condition, and between innate and acquired immunity to optimize survival over winter and reproductive success during the breeding stage. Here, we measured indices of body condition (size-corrected mass [SCM], and hematocrit [Hct]), constitutive innate immunity (plasma total complement hemolysis activity [CH50]) and acquired immunity (plasma immunoglobulin A [IgA]), plus heterophil/lymphocyte (H/L) ratios, in male Eurasian tree sparrows (Passer montanus) during the wintering and the breeding stages...
August 2017: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
https://www.readbyqxmd.com/read/28483504/introduction-immunology-and-assisted-reproductive-technology-in-the-21st-century
#14
REVIEW
Juan A Garcia-Velasco
In the past few years we have witnessed reproductive immunology taking a leading role after repeated implantation failure. We still face the problem of even euploid embryos that either fail to implant or are miscarried. These focused articles present the attending clinician with the most recent evidence to understand how immunology contributes to human reproduction, what can be done at the clinical level, and what is still an area for research and should not be offered to patients outside of a clinical research scenario...
June 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28463396/t-cell-infiltration-and-clonality-correlate-with-programmed-cell-death-protein-1-and-programmed-death-ligand-1-expression-in-patients-with-soft-tissue-sarcomas
#15
Seth M Pollack, Qianchuan He, Jennifer H Yearley, Ryan Emerson, Marissa Vignali, Yuzheng Zhang, Mary W Redman, Kelsey K Baker, Sara Cooper, Bailey Donahue, Elizabeth T Loggers, Lee D Cranmer, Matthew B Spraker, Y David Seo, Venu G Pillarisetty, Robert W Ricciotti, Benjamin L Hoch, Terrill K McClanahan, Erin Murphy, Wendy M Blumenschein, Steven M Townson, Sharon Benzeno, Stanley R Riddell, Robin L Jones
BACKGROUND: Patients with metastatic sarcomas have poor outcomes and although the disease may be amenable to immunotherapies, information regarding the immunologic profiles of soft tissue sarcoma (STS) subtypes is limited. METHODS: The authors identified patients with the common STS subtypes: leiomyosarcoma, undifferentiated pleomorphic sarcoma (UPS), synovial sarcoma (SS), well-differentiated/dedifferentiated liposarcoma, and myxoid/round cell liposarcoma. Gene expression, immunohistochemistry for programmed cell death protein (PD-1) and programmed death-ligand 1 (PD-L1), and T-cell receptor Vβ gene sequencing were performed on formalin-fixed, paraffin-embedded tumors from 81 patients...
May 2, 2017: Cancer
https://www.readbyqxmd.com/read/28452951/adverse-health-effects-of-thirdhand-smoke-from-cell-to-animal-models
#16
REVIEW
Bo Hang, Pin Wang, Yue Zhao, Altaf Sarker, Ahmed Chenna, Yankai Xia, Antoine M Snijders, Jian-Hua Mao
The newly identified smoke hazard, thirdhand smoke (THS), has gained public attention in recent years but its health impact and biological effects are largely unknown. THS may be defined by "the four Rs": tobacco chemicals that remain, react, re-emit, and/or are resuspended long after active smoking has ceased. This review summarizes recent research progress in the effects of THS on genotoxicity, metabolism and early life development using cellular and animal models. We first reported that THS generated in laboratory systems caused significant DNA damage in human cell lines...
April 28, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28430618/t-2-mycotoxin-toxicological-effects-and-decontamination-strategies
#17
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...
May 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
#18
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-for-glandular-epithelium-at-the-primary-site-of-persistent-infection-in-the-stallion-reproductive-tract
#19
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 as 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 detectable only in the reproductive tract, and viral persistence occurs despite the presence of high serum neutralizing antibody titers. Carrier stallions constitute the natural reservoir of the virus as they continuously shed EAV in their semen...
July 1, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28413045/effector-mechanisms-of-humoral-immunity-to-porcine-reproductive-and-respiratory-syndrome-virus
#20
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
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