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reproductive immunology

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https://www.readbyqxmd.com/read/29154465/the-role-of-immunological-testing-and-intervention-in-reproductive-medicine-a-fertile-collaboration
#1
REVIEW
Syed B Ali, Yogesh Jeelall, Craig E Pennell, Roger Hart, Andrew McLean-Tooke, Michaela Lucas
Advances in reproductive medicine have significantly increased the success of fertility treatments. Nevertheless, some women experience recurrent implantation failure (RIF) after in-vitro fertilization (IVF) or recurrent pregnancy loss (RPL). Imbalances in the immune system and failure to achieve immune tolerance to the foetus have been implicated as potentially modifiable causes of idiopathic RIF and RPL. As such, women are increasingly being treated with immunomodulatory agents in an attempt to achieve a successful pregnancy...
November 20, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29139122/vaccination-with-human-amniotic-epithelial-cells-confer-effective-protection-in-a-murine-model-of-colon-adenocarcinoma
#2
M Tabatabaei, N Mosaffa, R Ghods, S Nikoo, S Kazemnejad, M Khanmohammadi, E Mirzadeghan, A Mahmoudi, M R Bolouri, R Falak, B Keshavarzi, M Ramezani, A H Zarnani
In spite of being the star of therapeutic strategies for cancer treatment, the results of immunotherapeutic approaches are still far from expectations. In this regard, primary prevention of cancer using prophylactic cancer vaccines has gained considerable attention. The immunologic similarities between cancer development and placentation have helped researchers to unravel molecular mechanisms responsible for carcinogenesis and to take advantage of stem cells from reproductive organs to elicit robust anti-cancer immune responses...
November 15, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29129539/leptospirosis-report-from-the-task-force-on-tropical-diseases-by-the-world-federation-of-societies-of-intensive-and-critical-care-medicine
#3
REVIEW
Juan Ignacio Silesky Jiménez, Jorge Luis Hidalgo Marroquin, Guy A Richards, Pravin Amin
Leptospirosis is a zoonosis caused by a gram negative aerobic spirochete of the genus Leptospira. It is acquired by contact with urine or reproductive fluids from infected animals, or by inoculation from contaminated water or soil. The disease has a global distribution, mainly in tropical and subtropical regions that have a humid, rainy climate and is also common in travelers returning from these regions. Clinical suspicion is critical for the diagnosis and it should be included in the differential diagnosis of any patient with a febrile hepatorenal syndrome in, or returning from endemic regions...
November 9, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/29128804/hexachlorobenzene-as-a-persistent-organic-pollutant-toxicity-and-molecular-mechanism-of-action
#4
REVIEW
Beata Starek-Świechowicz, Bogusława Budziszewska, Andrzej Starek
Hexachlorobenzene (HCB) is an organochlorine pesticide widely distributed in the environment. Chronic exposure of humans to HCB leads to a number of effects, such as triggering of porphyria, microsomal enzyme induction, thyroid dysfunctions, neurological symptoms, and immunological disorders. In animals, HCB induced hepatic porphyria, neurotoxic effects, and toxic effects on the thyroid function, reproductive system, and immune system. HCB as a dioxin-like compound and a weak ligand of the aryl hydrocarbon receptor (AhR) is a hormonal disruptor...
July 1, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29123142/genomic-and-epidemiological-characterisation-of-a-dengue-virus-outbreak-among-blood-donors-in-brazil
#5
Nuno R Faria, Antonio Charlys da Costa, José Lourenço, Paula Loureiro, Maria Esther Lopes, Roberto Ribeiro, Cecilia Salete Alencar, Moritz U G Kraemer, Christian J Villabona-Arenas, Chieh-Hsi Wu, Julien Thézé, Kamran Khan, Shannon E Brent, Camila Romano, Eric Delwart, Brian Custer, Michael P Busch, Oliver G Pybus, Ester C Sabino
Outbreaks caused by Dengue, Zika and Chikungunya viruses can spread rapidly in immunologically naïve populations. By analysing 92 newly generated viral genome sequences from blood donors and recipients, we assess the dynamics of dengue virus serotype 4 during the 2012 outbreak in Rio de Janeiro. Phylogenetic analysis indicates that the outbreak was caused by genotype II, although two isolates of genotype I were also detected for the first time in Rio de Janeiro. Evolutionary analysis and modelling estimates are congruent, indicating a reproduction number above 1 between January and June, and at least two thirds of infections being unnoticed...
November 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29115281/fluorescence-detection-enumeration-and-characterization-of-single-circulating-cells-i-in-vivo-i-technology-applications-and-future-prospects
#6
Carolin Hartmann, Roshani Patil, Charles P Lin, Mark J Niedre
There are many diseases and biological processes that involve circulating cells in the bloodstream, such as cancer metastasis, immune reaction/inflammation, reproductive medicine, and stem cell therapies. This has driven significant interest in new technologies for the study of circulating cells in small animal research models and clinically. Most currently used methods require drawing and enriching blood samples from the body, but these suffer from a number of limitations. In contrast, "in vivo flow cytometry" (IVFC) refers to set of technologies that allow study of cells directly in the bloodstream of the organism in vivo...
November 8, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/29110743/rosmarinic-acid-modes-of-action-medicinal-values-and-health-benefits
#7
Mahmoud Alagawany, Mohamed Ezzat Abd El-Hack, Mayada Ragab Farag, Marappan Gopi, Kumaragurubaran Karthik, Yashpal Singh Malik, Kuldeep Dhama
The supplementation of livestock rations with herbs containing bioactive components, such as rosmarinic acid (RA), have shown promising results as a natural feed additive in promoting growth, productive and reproductive performance, feed utilization, fertility, anti-oxidant status and immunologic indices. Furthermore, RA reportedly reduces the risks of various animal diseases and mitigates side effects of chemical and synthetic drugs. RA is a natural polyphenol present in several Lamiaceae herbs like Perilla frutescens, and RA is becoming an integral component of animal nutrition as it counters the effect of reactive oxygen species induced in the body as a consequence of different kinds of stressors...
November 7, 2017: Animal Health Research Reviews
https://www.readbyqxmd.com/read/29106304/role-of-mait-cells-in-the-immunopathogenesis-of-inflammatory-diseases-new-players-in-old-game
#8
Vijay Kumar, Ali Ahmad
Current advances in immunology have led to the identification of a population of novel innate immune T cells, called mucosa-associated invariant T (MAIT) cells. The cells in humans express an invariant TCRα chain (Vα7.2-Jα33) paired with a limited subset of TCRβ chains (Vβ2, 13 and 22), are restricted by the MHC class I (MH1)-related (MR)-1, and recognize molecules that are produced in the bacterial riboflavin (vitamin B2) biosynthetic pathway. They are present in the circulation, liver and at various mucosal sites (i...
November 6, 2017: International Reviews of Immunology
https://www.readbyqxmd.com/read/29103681/phenotypic-characterization-of-a-highly-pathogenic-italian-porcine-reproductive-and-respiratory-syndrome-virus-prrsv-type-1-subtype-1-isolate-in-experimentally-infected-pigs
#9
Elena Canelli, Alessia Catella, Paolo Borghetti, Luca Ferrari, Giulia Ogno, Elena De Angelis, Attilio Corradi, Benedetta Passeri, Valeria Bertani, Giampietro Sandri, Paolo Bonilauri, Frederick C Leung, Stefano Guazzetti, Paolo Martelli
Highly pathogenic (HP) isolates of the PRRS virus started emerging in North America and Asia in the late 1990s. More recently, they have emerged in Europe. These isolates are characterized by high viral loads, severe general clinical signs and high mortality, in sows, weaners and growers. Their genome shows a discontinuous aminoacids deletion in the non-structural protein 2 (NSP2). The present study was aimed at characterizing the clinical, pathological and immunological features of a highly pathogenetic, Italian PRRSV-1 subtype 1 isolate (PRRSV1_PR40/2014), following experimental infection in conventional 4-weeks-old pigs...
October 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/29077094/non-oncogenic-roles-of-tap73-from-multiciliogenesis-to-metabolism
#10
REVIEW
Alice Nemajerova, Ivano Amelio, Jakob Gebel, Volker Dötsch, Gerry Melino, Ute M Moll
The p53 family of transcription factors (p53, p63 and p73) covers a wide range of functions critical for development, homeostasis and health of mammals across their lifespan. Beside the well-established tumor suppressor role, recent evidence has highlighted novel non-oncogenic functions exerted by p73. In particular, p73 is required for multiciliated cell (MCC) differentiation; MCCs have critical roles in brain and airways to move fluids across epithelial surfaces and to transport germ cells in the reproductive tract...
October 27, 2017: Cell Death and Differentiation
https://www.readbyqxmd.com/read/29071391/immunometabolism-pregnancy-and-nutrition
#11
REVIEW
Kristin Thiele, Lianghui Diao, Petra Clara Arck
The emerging field of immunometabolism has substantially progressed over the last years and provided pivotal insights into distinct metabolic regulators and reprogramming pathways of immune cell populations in various immunological settings. However, insights into immunometabolic reprogramming in the context of reproduction are still enigmatic. During pregnancy, the maternal immune system needs to actively adapt to the presence of the fetal antigens, i.e., by functional modifications of distinct innate immune cell subsets, the generation of regulatory T cells, and the suppression of an anti-fetal effector T cell response...
October 25, 2017: Seminars in Immunopathology
https://www.readbyqxmd.com/read/29059580/characteristics-of-peripheral-blood-nk-and-nkt-like-cells-in-euthyroid-and-subclinical-hypothyroid-women-with-thyroid-autoimmunity-experiencing-reproductive-failure
#12
Eva Miko, Matyas Meggyes, Katalin Doba, Nelli Farkas, Barbara Bogar, Aliz Barakonyi, Laszlo Szereday, Julia Szekeres-Bartho, Emese Mezosi
Thyroid autoimmunity (TAI) appears to play a crucial role in female infertility, recurrent pregnancy loss and IVF failure. Thyroid autoantibodies against thyroid peroxidase and thyroglobulin have been shown to represent an independent risk factor for infertility and miscarriage. Moreover, thyroxin hormone administration reduces the risk of obstetrical complications in TAI positive women. The aim of our present study was to investigate the immunological background of female infertility and recurrent pregnancy loss in euthyroid and subclinical hypothyroid women with TAI focusing on innate immunity...
September 28, 2017: Journal of Reproductive Immunology
https://www.readbyqxmd.com/read/29052333/label-free-quantitative-proteomic-analysis-of-differentially-expressed-membrane-proteins-of-pulmonary-alveolar-macrophages-infected-with-highly-pathogenic-porcine-reproductive-and-respiratory-syndrome-virus-and-its-attenuated-strain
#13
Zehui Qu, Fei Gao, Liwei Li, Yujiao Zhang, Yifeng Jiang, Lingxue Yu, Yanjun Zhou, Hao Zheng, Wu Tong, Guoxin Li, Guangzhi Tong
Significant differences exist between the highly pathogenic (HP) porcine reproductive and respiratory syndrome virus (PRRSV) and its attenuated pathogenic (AP) strain in the ability to infect host cells. The mechanisms by which different virulent strains invade host cells remain relatively unknown. In this study, pulmonary alveolar macrophages (PAMs) were infected with HP-PRRSV (HuN4) and AP-PRRSV (HuN4-F112) for 24 h, then harvested and subjected to label-free quantitative mass spectrometry. A total of 2849 proteins were identified, including 95 that were differentially expressed...
October 20, 2017: Proteomics
https://www.readbyqxmd.com/read/29051396/facial-transplantation-an-update-of-results-and-perspectives-from-tissue-engineering
#14
Francesco Simonacci, Roberto Toni, Edoardo Raposio
BACKGROUND/AIM: Facial transplantation is a revolutionary procedure developed recently, which is indicated if autologous transfers fail to restore human appearance. More than 30 patients have undergone facial transplantation in different centers worldwide. Here, we provide an update on its main anatomical, surgical, immunological, ethical, and follow- up aspects. We also provide innovative perspectives of regenerative medicine and tissue engineering that could hold promise for this emerging surgical field...
2017: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/29046808/occurrence-and-reproductive-roles-of-hormones-in-seminal-plasma
#15
Jana Vitku, Lucie Kolatorova, Richard Hampl
Only 2-5% of seminal fluid is composed of spermatozoa, while the rest is seminal plasma. The seminal plasma is a rich cocktail of organic and inorganic compounds including hormones, serving as a source of nutrients for sperm development and maturation, protecting them from infection and enabling them to overcome the immunological and chemical environment of the female reproductive tract. In this review, a survey of the hormones found in human seminal plasma, with particular emphasis on reproductive hormones is provided...
2017: Basic and Clinical Andrology
https://www.readbyqxmd.com/read/29042395/nuclear-receptor-profiling-in-prostatospheroids-and-castration-resistant-prostate-cancer
#16
Zhu Wang, Dinglan Wu, Chi-Fai Ng, Jeremy Yuen-Chun Teoh, Shan Yu, Yuliang Wang, Franky Leung Chan
Nuclear receptors (NRs), which belong to a superfamily of transcription factors and consist of a total of 48 members in humans, govern the expression of genes involved in a board range of developmental, reproductive, metabolic and immunological programs. Given the significant importance of androgen receptor and a few known NRs in the progression of prostate cancer, we surveyed the expression profiles of the entire NR superfamily in three-dimensional (3D) cultured prostatospheroids derived from different prostate cancer cell lines and a tumor xenograft model of castration-resistant prostate cancer VCaP-CRPC by quantitative real-time RT-PCR...
October 17, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/29034472/protective-effects-of-curcumin-against-aflatoxicosis-a-comprehensive-review
#17
REVIEW
Mohammad Mohajeri, Behzad Behnam, Arrigo F G Cicero, Amirhossein Sahebkar
Aflatoxicosis is a deleterious medical condition that results from aflatoxins (AFs) or ochratoxins (OTs). Contamination with these toxins exerts detrimental effects on the liver, kidneys, reproductive organs, and also on immunological and cardiovascular systems. Aflatoxicosis is closely associated with overproduction of reactive oxygen species (ROS) as key contributors to oxidative and nitrosative stress responses, and subsequent damages to lipids, proteins, RNA, and DNA. The main target organ for AF toxicity is the liver, where DNA adducts, degranulation of endoplasmic reticulum, increased hepatic lipid peroxide, GSH depletion, mitochondrial dysfunction, and reduction of enzymatic and non-enzymatic antioxidants are manifestations of aflatoxicosis...
October 16, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29027807/biochemistry-of-the-menopause
#18
John W Honour
The life of a human female is characterized from teenage years by monthly menstruation which ceases (the menopause) typically between the age of 40 and 60 years. The potential for reproduction declines and ceases as the ovaries become depleted of follicles. A transition period in mid-life, for 2 to 10 years, when menstruation is less regular is called the perimenopause. The menopause is associated with a significant decline in plasma concentrations of sex hormones, an increase in the concentrations of the gonadotrophins and changes in other hormones such as the inhibins...
January 1, 2017: Annals of Clinical Biochemistry
https://www.readbyqxmd.com/read/29021720/burn-injury-review-of-pathophysiology-and-therapeutic-modalities-in-major-burns
#19
I Kaddoura, G Abu-Sittah, A Ibrahim, R Karamanoukian, N Papazian
Despite a considerable decrease in their incidence worldwide, burn injuries remain one of the commonest forms of trauma and account for a weighty proportion of trauma cases in health-care emergencies around the globe. Although the latest data reveal a substantial decline in burn-related mortality and hospital admissions in the US over the past three decades, severe thermal injuries continue to trigger devastating morbidity and significant mortality while their management remains a dynamic challenge for the entire medical and paramedical community...
June 30, 2017: Annals of Burns and Fire Disasters
https://www.readbyqxmd.com/read/28994489/short-term-resource-allocation-during-extensive-athletic-competition
#20
Daniel P Longman, Sean P Prall, Eric C Shattuck, Ian D Stephen, Jay T Stock, Jonathan C K Wells, Michael P Muehlenbein
OBJECTIVES: Following predictions from life history theory, we sought to identify acute trade-offs between reproductive effort (as measured by psychological arousal) and somatic maintenance (via functional measures of innate immunity) during conditions of severe energetic imbalance. METHODS: Sixty-six male ultramarathon runners (ages 20 to 37 years) were sampled before and after a lengthy race. Saliva and sera were collected for testosterone and immunological analyses (hemolytic complement activity and bacterial killing ability)...
October 10, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
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