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https://www.readbyqxmd.com/read/29786969/hippocampal-lipidome-and-transcriptome-profile-alterations-triggered-by-acute-exposure-of-mice-to-gsm-1800-mhz-mobile-phone-radiation-an-exploratory-study
#1
Adamantia F Fragopoulou, Alexandros Polyzos, Maria-Despoina Papadopoulou, Anna Sansone, Areti K Manta, Evangelos Balafas, Nikolaos Kostomitsopoulos, Aikaterini Skouroliakou, Chryssostomos Chatgilialoglu, Alexandros Georgakilas, Dimitrios J Stravopodis, Carla Ferreri, Dimitris Thanos, Lukas H Margaritis
BACKGROUND: The widespread use of wireless devices during the last decades is raising concerns about adverse health effects of the radiofrequency electromagnetic radiation (RF-EMR) emitted from these devices. Recent research is focusing on unraveling the underlying mechanisms of RF-EMR and potential cellular targets. The "omics" high-throughput approaches are powerful tools to investigate the global effects of RF-EMR on cellular physiology. METHODS: In this work, C57BL/6 adult male mice were whole-body exposed (nE xp  = 8) for 2 hr to GSM 1800 MHz mobile phone radiation at an average electric field intensity range of 4...
May 22, 2018: Brain and Behavior
https://www.readbyqxmd.com/read/29786070/selective-elimination-of-senescent-cells-by-mitochondrial-targeting-is-regulated-by-ant2
#2
Sona Hubackova, Eliska Davidova, Katerina Rohlenova, Jan Stursa, Lukas Werner, Ladislav Andera, LanFeng Dong, Mikkel G Terp, Zdenek Hodny, Henrik J Ditzel, Jakub Rohlena, Jiri Neuzil
Cellular senescence is a form of cell cycle arrest that limits the proliferative potential of cells, including tumour cells. However, inability of immune cells to subsequently eliminate senescent cells from the organism may lead to tissue damage, inflammation, enhanced carcinogenesis and development of age-related diseases. We found that the anticancer agent mitochondria-targeted tamoxifen (MitoTam), unlike conventional anticancer agents, kills cancer cells without inducing senescence in vitro and in vivo. Surprisingly, it also selectively eliminates both malignant and non-cancerous senescent cells...
May 21, 2018: Cell Death and Differentiation
https://www.readbyqxmd.com/read/29785920/effects-of-herd-and-physiological-status-on-variation-of-16-immunological-and-inflammatory-parameters-in-dairy-cows-during-drying-off-and-the-transition-period
#3
Alfonso Zecconi, Francesca Albonico, Maria Elena Gelain, Renata Piccinini, Micaela Cipolla, Michele Mortarino
During drying off and transition period, cows are subject to changes in endocrine status, metabolic stressors and altered immune functions, which could lead to an increased risk of disease. To expand our knowledge on the immune/inflammatory status and to identify markers to define cow status during this interval, the pattern of 9 different cellular parameters, 5 cytokines, 2 enzymes and 3 cellular ratios in blood samples were assessed in 15 primiparous cows belonging to three different dairy herds in Lombardy...
May 2018: Journal of Dairy Research
https://www.readbyqxmd.com/read/29785404/enhanced-suppressive-activity-of-regulatory-t-cells-in-the-microenvironment-of-malignant-pleural-effusions
#4
Joanna Budna, Mariusz Kaczmarek, Agata Kolecka-Bednarczyk, Łukasz Spychalski, Piotr Zawierucha, Joanna Goździk-Spychalska, Michał Nowicki, Halina Batura-Gabryel, Jan Sikora
Cancer metastatic spread to serous cavity causes malignant pleural effusions (MPEs), indicating dismal prognosis. Tumor microenvironment can implement suppressive activity on host immune responses. Thus, we investigated the prevalence of Tregs and the relationship between them and TGF- β and IL-10 concentrations and measured expression of FOXP3 , CTLA-4 , CD28 , and GITR genes, as well as protein expression of selected genes in benign effusions and MPEs. The percentage of Tregs was determined by means of multicolor flow cytometry system...
2018: Journal of Immunology Research
https://www.readbyqxmd.com/read/29784864/group-iia-secreted-phospholipase-a-2-in-human-serum-kills-commensal-but-not-clinical-enterococcus-faecium-isolates
#5
Fernanda L Paganelli, Helen L Leavis, Samantha He, Nina M van Sorge, Christine Payré, Gérard Lambeau, Rob J L Willems, Suzan H M Rooijakkers
Human innate immunity employs cellular and humoral mechanisms to facilitate rapid killing of invading bacteria. The direct killing of bacteria by human serum is mainly attributed to the activity of the complement system that forms pores in Gram-negative bacteria. Although Gram-positive bacteria are considered resistant to serum killing, we here uncover that normal human serum effectively kills Enterococcus faecium. Comparison of a well-characterized collection of commensal and clinical E. faecium isolates revealed that human serum specifically kills commensal E...
May 21, 2018: Infection and Immunity
https://www.readbyqxmd.com/read/29784761/slc15a2-and-slc15a4-mediate-the-transport-of-bacterially-derived-di-tripeptides-to-enhance-the-nucleotide-binding-oligomerization-domain-dependent-immune-response-in-mouse-bone-marrow-derived-macrophages
#6
Yongjun Hu, Feifeng Song, Huidi Jiang, Gabriel Nuñez, David E Smith
There is increasing evidence that proton-coupled oligopeptide transporters (POTs) can transport bacterially derived chemotactic peptides and therefore reside at the critical interface of innate immune responses and regulation. However, there is substantial contention regarding how these bacterial peptides access the cytosol to exert their effects and which POTs are involved in facilitating this process. Thus, the current study proposed to determine the (sub)cellular expression and functional activity of POTs in macrophages derived from mouse bone marrow and to evaluate the effect of specific POT deletion on the production of inflammatory cytokines in wild-type, Pept2 knockout and Pht1 knockout mice...
May 21, 2018: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29784537/artificial-intelligence-a-joint-narrative-on-potential-use-in-pediatric-stem-and-immune-cell-therapies-and-regenerative-medicine
#7
REVIEW
Irena Sniecinski, Jerard Seghatchian
Artificial Intelligence (AI) reflects the intelligence exhibited by machines and software. It is a highly desirable academic field of many current fields of studies. Leading AI researchers describe the field as "the study and design of intelligent agents". McCarthy invented this term in 1955 and defined it as "the science and engineering of making intelligent machines". The central goals of AI research are reasoning, knowledge, planning, learning, natural language processing (communication), perception and the ability to move and manipulate objects...
May 9, 2018: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/29783020/immune-modulation-of-a-novel-lipid-soluble-extract-of-pinellia-pedatisecta-schott-in-the-tumor-microenvironment-of-an-hpv-tumor-burdened-mouse-model
#8
Haixia Huang, Mingxing Zhang, Meng Zhang, Jing Peng, Guiling Li, Congjian Xu, Suiqi Gui
ETHNOPHARMACOLOGICAL RELEVANCE: Pinellia pedatisecta Schott extract (PE), a traditional Chinese medicine, has been used to reduce swelling, dry dampness and suppress cervical tumors. AIMS: To evaluate the roles of PE in the regulation of anti-tumor effects and the cellular immune response in the tumor microenvironment. METHODS: The immune microenvironment of HPV+ TC-1 tumors was examined by immunohistochemistry, real-time PCR and flow cytometry...
May 18, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29782791/a-method-for-preparation-of-an-internal-layer-of-artificial-vascular-graft-co-modified-with-salvianolic-acid-b-and-heparin
#9
Haizhu Kuang, Yao Wang, Junfeng Hu, Chunsheng Wang, Shuyang Lu, Xiumei Mo
Studies have shown that traditional Chinese medicine Salvianolic acid B (SAB) can promote the proliferation and migration of endothelial cells. Heparin has a good anticoagulant effect. The inner layer of artificial vascular graft is fabricated by coaxial electrospinning method, and loaded with heparin and SAB. The release of heparin and SAB was sustained for almost 30 days, and SAB without initial burst release. Furthermore, the combined effect of SAB and heparin contributed to promoted Human Umbilical Vein Endothelial Cells (HUVECs) growth and improved blood compatibility of graft...
May 21, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29782555/langerin-dcs-regulate-innate-il-17-production-in-the-oral-mucosa-during-candida-albicans-mediated-infection
#10
Florian Sparber, Tamas Dolowschiak, Sarah Mertens, Laura Lauener, Björn E Clausen, Nicole Joller, Patrizia Stoitzner, Roxane Tussiwand, Salomé LeibundGut-Landmann
The opportunistic fungal pathogen Candida albicans frequently causes diseases such as oropharyngeal candidiasis (OPC) in immunocompromised individuals. Although it is well appreciated that the cytokine IL-17 is crucial for protective immunity against OPC, the cellular source and the regulation of this cytokine during infection are still a matter of debate. Here, we directly visualized IL-17 production in the infected tongue of experimentally infected mice, thereby demonstrating that this key cytokine is expressed by three complementary subsets of CD90+ leukocytes: RAG-dependent αβ and γδ T cells, as well as RAG-independent ILCs...
May 21, 2018: PLoS Pathogens
https://www.readbyqxmd.com/read/29782187/effects-of-maternal-vitamin-d-supplementation-on-the-maternal-and-infant-epigenome
#11
Cindy M Anderson, Shannon L Gillespie, Doria K Thiele, Jody L Ralph, Joyce E Ohm
INTRODUCTION: Mothers and infants are at high risk for inadequate vitamin D status. Mechanisms by which vitamin D may affect maternal and infant DNA methylation are poorly understood. OBJECTIVE: This study quantified the effects of vitamin D3 supplementation on DNA methylation in pregnant and lactating women and their breastfed infants. MATERIALS AND METHODS: In this randomized controlled pilot study, pregnant women received vitamin D3 400 international units (IU) (n = 6; control) or 3,800 IU (n = 7; intervention) daily from late second trimester through 4-6 weeks postpartum...
May 21, 2018: Breastfeeding Medicine: the Official Journal of the Academy of Breastfeeding Medicine
https://www.readbyqxmd.com/read/29781755/more-robust-gut-immune-responses-induced-by-combining-intranasal-and-sublingual-routes-for-prime-boost-immunization
#12
Hye Suk Hwang, Sao Puth, Wenzhi Tan, Vivek Verma, Kwangjoon Jeong, Shee Eun Lee, Joon Haeng Rhee
Norovirus causes acute and debilitating gastroenteritis, characterized by vomiting and diarrhea. We recently reported a recombinant GII. 4 P domain particle (Pd) vaccine adjuvanted with a flagellin, Vibrio vulnificus FlaB, effectively promoting both humoral and cell-mediated immune responses. In the previous study, we found that sublingual (SL) immunization induced higher fecal secretory IgA (SIgA) responses while intranasal (IN) route provided higher amplitude of humoral and cellular immune responses in the systemic compartment...
May 21, 2018: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29781747/sialylation-pattern-in-lung-epithelial-cell-line-and-siglecs-expression-in-monocytic-thp-1-cells-as-cellular-indicators-of-cigarette-smoke-induced-pathology-in-vitro
#13
Przemyslaw Wielgat, Emil Trofimiuk, Robert Czarnomysy, Adam Holownia, Jan J Braszko
PURPOSE: Cellular response to cigarette smoke (CS) involves activation of recognition receptors resulting in changes in immune status, oxidative stress and cell turnover. We investigated the effects of CS on sialic acid-binding immunoglobulin type lectins (Siglecs) expression and their sialylated ligands in human immune and non-immune cells. METHODS: Human monocytes (THP-1) and epithelial cells (A549) were cultured in CS-conditioned medium (CSM). Expression of Siglec-8 and Siglec-5/Siglec-14 was analysed in THP-1 cells using flow cytometry...
May 21, 2018: Experimental Lung Research
https://www.readbyqxmd.com/read/29781368/the-role-of-the-oncogenic-rab35-in-cancer-invasion-metastasis-and-immune-evasion-especially-in-leukemia
#14
Fabian R Villagomez, Oscar Medina-Contreras, Jorge Francisco Cerna-Cortes, Genaro Patino-Lopez
The study of cancer has allowed researchers to describe some biological characteristics that tumor cells acquire during their development, known as the "hallmarks of cancer" but more research is needed to expand our knowledge about cancer biology and to generate new strategies of treatment. The role that RabGTPases might play in some hallmarks of cancer represents interesting areas of study since these proteins are frequently altered in cancer. However, their participation is not well known. Recently, Rab35was recognized as an oncogenic RabGTPase and and because of its association with different cellular functions, distinctly important in immune cells, a possible role of Rab35 in leukemia can be suggested...
May 21, 2018: Small GTPases
https://www.readbyqxmd.com/read/29780391/concepts-collide-genomic-immune-and-microbial-influences-on-the-tumor-microenvironment-and-response-to-cancer-therapy
#15
REVIEW
Miles C Andrews, Alexandre Reuben, Vancheswaran Gopalakrishnan, Jennifer A Wargo
Cancer research has seen unprecedented advances over the past several years, with tremendous insights gained into mechanisms of response and resistance to cancer therapy. Central to this has been our understanding of crosstalk between the tumor and the microenvironment, with the recognition that complex interactions exist between tumor cells, stromal cells, overall host immunity, and the environment surrounding the host. This is perhaps best exemplified in cancer immunotherapy, where numerous studies across cancer types have illuminated our understanding of the genomic and immune factors that shape responses to therapy...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29780375/effect-of-artinm-on-human-blood-cells-during-infection-with-paracoccidioides-brasiliensis
#16
Luciana P Ruas, Livia M Genaro, Amauri S Justo-Junior, Lilian O Coser, Lívia F de Castro, Plinio Trabasso, Ronei L Mamoni, Maria-Cristina Roque-Barreira, Maria-Heloisa S L Blotta
Infections caused by fungi are prominent in our environment and can be potentially fatal. paracoccidioidomycosis (PCM), caused by fungi of the Paracoccidioides genus, is the most frequent systemic mycosis in Brazil and the main cause of death among immunocompetent individuals. The antifungal therapy for PCM is usually effective but side effects and relapses are often reported. The latter could be avoided with alternative or complementary therapies aimed at boosting the immune response to combat this pathogen...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29780357/altered-circadian-rhythms-and-breast-cancer-from-the-human-to-the-molecular-level
#17
REVIEW
Hui-Hsien Lin, Michelle E Farkas
Circadian clocks are fundamental, time-tracking systems that allow organisms to adapt to the appropriate time of day and drive many physiological and cellular processes. Altered circadian rhythms can result from night-shift work, chronic jet lag, exposure to bright lights at night, or other conditioning, and have been shown to lead to increased likelihood of cancer, metabolic and cardiovascular diseases, and immune dysregulation. In cases of cancer, worse patient prognoses and drug resistance during treatment have also been observed...
2018: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29780254/are-ovarian-cancer-stem-cells-the-target-for-innovative-immunotherapy
#18
REVIEW
Liang Wang, Tianmin Xu, Manhua Cui
Cancer stem cells (CSCs), a subpopulation of cancer cells with the ability of self-renewal and differentiation, are believed to be responsible for tumor generation, progression, metastasis, and relapse. Ovarian cancer, the most malignant gynecological cancer, has consistent pathology behavior with CSC model, which suggests that therapies based on ovarian cancer stem cells (OCSCs) can gain a more successful prognosis. Much evidence has proved that epigenetic mechanism played an important role in tumor formation and sustainment...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29778844/identification-of-micrornas-with-heat-stress-responsive-and-immune-properties-in-marsupenaeus-japonicus-based-on-next-generation-sequencing-and-bioinformatics-analysis-essential-regulators-in-the-heat-stress-host-interactions
#19
Jinbin Zheng, Jiawen Cao, Yong Mao, Yongquan Su, Jun Wang
Summer mortality syndrome is one of the most serious issue for Marsupenaeus japonicus aquaculture in China. Since it causes massive economic loss and threatens sustainability of M. japonicus aquaculture industry, thus, there is an urgent desire to reveal the heat stress-host interactions mechanisms that lead to mass mortalities of M. japonicus in hot summer months. MicroRNAs (miRNAs) are small noncoding RNAs that involved in regulation of diverse biological processes, including stress and immune response, and might serve as potential regulators in the heat stress-host interactions...
May 17, 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29778570/nitrated-t-helper-cell-epitopes-enhance-the-immunogenicity-of-her2-vaccine-and-induce-anti-tumor-immunity
#20
Hong Tian, Yu He, Xiaoda Song, Liangliang Jiang, Jianhua Luo, Yi Xu, Wanli Zhang, Xiangdong Gao, Wenbing Yao
Human epidermal growth factor receptor 2 (HER2) is an attractive target for cancer vaccine. However, autoimmune tolerance prevents vaccines based on HER2 protein from inducing long-lasting, highly effective anti-tumor immunity. In this study, we proved that the introduction of p-nitrophenylalanine in the universal T cell epitope (named NitraTh) enhances humoral immunity induced by B cell epitope and cellular immunity induced by CTL epitope. Moreover, this NitraTh epitope can work in both mouse and human immune system...
May 17, 2018: Cancer Letters
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