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https://www.readbyqxmd.com/read/29786876/temporal-and-long-term-gut-microbiota-variation-in-allergic-disease-a-prospective-study-from-infancy-to-school-age
#1
Kotryna Simonyté Sjödin, Marie-Louise Hammarström, Patrik Rydén, Andreas Sjödin, Olle Hernell, Lars Engstrand, Christina E West
BACKGROUND: Compositional changes of the early life gut microbiota have been implicated in IgE-associated allergic disease but there is lack of longitudinal studies. We examined gut microbiota development from infancy to school age in relation to onset of IgE-associated allergic diseases. At 8 years of age, we also examined the relationship between gut microbiota and T-cell regulation, estimated as responses to polyclonal T-cell activation. METHODS: Stool samples were collected from 93 children at 4, 6 and 13 months, and 8 years of age...
May 22, 2018: Allergy
https://www.readbyqxmd.com/read/29786797/nmr-based-prostate-cancer-metabolomics
#2
Leslie R Euceda, Maria K Andersen, May-Britt Tessem, Siver A Moestue, Maria T Grinde, Tone F Bathen
Prostate cancer is the second most common malignancy, and the fifth leading cause of cancer-related death among men, worldwide. A major unsolved clinical challenge in prostate cancer is the ability to accurately distinguish indolent cancer types from the aggressive ones. Reprogramming of metabolism is now a widely accepted hallmark of cancer development, where cancer cells must be able to convert nutrients to biomass while maintaining energy production. Metabolomics is the large-scale study of small molecules, commonly known as metabolites, within cells, biofluids, tissues, or organisms...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29786787/protocols-for-migration-and-invasion-studies-in-prostate-cancer
#3
Arjanneke F van de Merbel, Geertje van der Horst, Jeroen T Buijs, Gabri van der Pluijm
Prostate cancer is the most common malignancy diagnosed in men in the western world. The development of distant metastases and therapy resistance are major clinical problems in the management of prostate cancer patients. In order for prostate cancer to metastasize to distant sites in the human body, prostate cancer cells have to migrate and invade neighboring tissue. Cancer cells can acquire a migratory and invasive phenotype in several ways, including single cell and collective migration. As a requisite for migration, epithelial prostate cancer cells often need to acquire a motile, mesenchymal-like phenotype...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29786786/methodologies-applied-to-establish-cell-cultures-in-prostate-cancer
#4
Anne T Collins
This chapter focuses on primary cultures of the human malignant prostate. Current abilities to isolate and culture stem cells, transit-amplifying cells, and secretory luminal cells are described. Advantages and limitations of this model system are also discussed.
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29786751/inhibition-of-osteoclastogenesis-for-periprosthetic-osteolysis-therapy-through-the-suppression-of-p38-signaling-by-fraxetin
#5
Jia-Cheng Liao, Zhao-Xia Wei, Chang Zhao, Zhong-Ping Ma, Dao-Zhang Cai
Periprosthetic osteolysis belongs to osteolytic diseases, which often occur due to an imbalance between osteoclast and osteoblast number or activity. Fraxetin, a natural plant extract, inhibits osteoblast apoptosis and has therapeutic potential for treating osteolytic diseases. However, data pertaining to the effects of fraxetin on osteoclasts are limited. In the present study, it was demonstrated that the inhibition of osteoclastogenesis by fraxetin had an important role on the therapy of titanium particle‑induced osteolysis in vivo...
May 21, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29786170/immunopeptidomic-profiling-of-hla-a2-positive-triple-negative-breast-cancer-identifies-potential-immunotherapy-target-antigens
#6
Nicola Ternette, Marloes J M Olde Nordkamp, Julius Muller, Amanda P Anderson, Annalisa Nicastri, Adrian V S Hill, Benedikt M Kessler, Demin Li
The recent development in immune checkpoint inhibitors and chimeric antigen receptor (CAR) T-cells in the treatment of cancer has not only demonstrated the potency of utilising T-cell reactivity for cancer therapy, but has also highlighted the need for developing new approaches to discover targets suitable for such novel therapeutics. Here we analysed the immunopeptidomes of 6 HLA-A2-positive triple negative breast cancer (TNBC) samples by nano-ultra performance liquid chromatography tandem mass spectrometry (nUPLC-MS2 )...
May 22, 2018: Proteomics
https://www.readbyqxmd.com/read/29786143/impact-of-commensal-flora-on-periodontal-immune-response-to-lipopolysaccharide
#7
Daiki Fukuhara, Koichiro Irie, Yoko Uchida, Kota Kataoka, Kentaro Akiyama, Daisuke Ekuni, Takaaki Tomofuji, Manabu Morita
BACKGROUND: Commensal flora are involved in the appropriate development of the mature immune system. However, it is unclear how commensal flora contribute to immune responses against periodontal pathogens, including the response to lipopolysaccharide (LPS). The purpose of this study was to evaluate the expression of immune responses after topical application of LPS in germ-free (GF) and specific-pathogen-free (SPF) mice. METHODS: GF and SPF mice at 8 weeks of age were randomly divided into four groups each: a baseline group (n = 4/group) and three experimental groups (n = 6/group)...
May 22, 2018: Journal of Periodontology
https://www.readbyqxmd.com/read/29786142/the-bone-marrow-is-not-only-a-primary-lymphoid-organ-the-critical-role-for-t-lymphocyte-migration-and-housing-of-long-term-memory-plasma-cells
#8
REVIEW
Reinhard Pabst
In immunology and anatomy textbooks the bone marrow is described as a typical "primary lymphoid organ" producing lymphoid cells independent of antigens. The hematopoietic bone marrow is largely age-dependent organ with great anatomical and functional differences among various species. There are estimates that about 12 % of all lymphoid cells in the human body are found in the bone marrow at any given time (2 % in the peripheral blood). Enormous numbers of T lymphocytes migrate to the bone marrow and partly return later to the blood...
May 22, 2018: European Journal of Immunology
https://www.readbyqxmd.com/read/29786112/ctla%C3%A2-4-interferes-with-the-hbv%C3%A2-specific-t-cell-immune-response-review
#9
Hui Cao, Ruiwen Zhang, Wei Zhang
Hepatitis B virus (HBV) infection is a major cause of hepatic inflammation. Successful HBV clearance in patients is associated with sustained viral control by effector T cells. Compared with acute hepatitis B, chronic HBV infection is associated with the depletion of T cells, resulting in weak or absent virus‑specific T cells reactivity, which is described as 'exhaustion'. This exhaustion is characterized by impaired cytokine production and sustained expression of multiple coinhibitory molecules. Cytotoxic T lymphocyte‑associated antigen‑4 (CTLA‑4) is one of many coinhibitory molecules that can attenuate T cell activation by inhibiting costimulation and transmitting inhibitory signals to T cells...
May 17, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29786087/a-comparison-of-23-gauge-and-20-gauge-vitrectomy-for-proliferative-sickle-cell-retinopathy-clinical-outcomes-and-surgical-management
#10
Jason Ho, Anna Grabowska, Marta Ugarte, Mahiul Mk Muqit
AIMS: To report anatomical and functional outcomes in patients with proliferative sickle retinopathy (PSR) who underwent 23-gauge (23G) and 20-gauge (20G) vitrectomy. METHODS: Retrospective consecutive case series of patients who underwent vitreoretinal intervention for complications of PSR between April 2009 and February 2015. Operations were performed at a tertiary referral centre, Moorfields Eye Hospital. Visual acuity and anatomical success rates were evaluated for PSR complicated by retinal detachment, tractional vitreous haemorrhage and macular hole...
May 22, 2018: Eye
https://www.readbyqxmd.com/read/29786078/targeting-the-upstream-transcriptional-activator-of-pd-l1-as-an-alternative-strategy-in-melanoma-therapy
#11
Bo Zhu, Liming Tang, Shuyang Chen, Chengqian Yin, Shiguang Peng, Xin Li, Tongzheng Liu, Wei Liu, Changpeng Han, Lukasz Stawski, Zhi-Xiang Xu, Guangbiao Zhou, Xiang Chen, Xiumei Gao, Colin R Goding, Nan Xu, Rutao Cui, Peng Cao
Programmed cell death ligand 1 (PD-L1) interacts with programmed cell death protein-1 (PD-1) as an immune checkpoint. Reactivating the immune response by inhibiting PD-L1 using therapeutic antibodies provides substantial clinical benefits in many, though not all, melanoma patients. However, transcriptional suppression of PD-L1 expression as an alternative therapeutic anti-melanoma strategy has not been exploited. Here we provide biochemical evidence demonstrating that ultraviolet radiation (UVR) induction of PD-L1 in skin is directly controlled by nuclear factor E2-related transcription factor 2 (NRF2)...
May 22, 2018: Oncogene
https://www.readbyqxmd.com/read/29786048/cardiac-hypertrophy-is-positively-regulated-by-microrna-24-in-ratsmicrorna-24
#12
Juan Gao, Min Zhu, Rui-Feng Liu, Jian-Shu Zhang, Ming Xu
Background: MicroRNA-24 (miR-24) plays an important role in heart failure by reducing the efficiency of myocardial excitation-contraction coupling. Prolonged cardiac hypertrophy may lead to heart failure, but little is known about the role of miR-24 in cardiac hypertrophy. This study aimed to preliminarily investigate the function of miR-24 and its mechanisms in cardiac hypertrophy. Methods: Twelve Sprague-Dawley rats with a body weight of 50 ± 5 g were recruited and randomly divided into two groups: a transverse aortic constriction (TAC) group and a sham surgery group...
June 5, 2018: Chinese Medical Journal
https://www.readbyqxmd.com/read/29786040/human-leukocyte-antigen-a-allele-distribution-in-nasopharyngeal-carcinoma-patients-showing-anti-melanoma-associated-antigen-a-or-synovial-sarcoma-x-2-t-cell-response-in-blood
#13
Pei-Wen Fan, Li Huang, Xue-Mei Chang, Ya-Ning Feng, Xuan Yao, Yan-Chun Peng, Tao Dong, Ruo-Zheng Wang
Background: Development of innovative immunotherapy is imperative to improve the poor survival of the nasopharyngeal carcinoma (NPC) patients. In this study, we evaluated the T cell response to melanoma-associated antigen (MAGE)-A1, MAGE-A3, or synovial sarcoma X-2 (SSX-2) in the peripheral blood of treatment-naive NPC patients. The relationship of responses among the three proteins and the human leukocyte antigen (HLA)-A types were analyzed to provide evidence of designing novel therapy...
June 5, 2018: Chinese Medical Journal
https://www.readbyqxmd.com/read/29785960/reduction-in-regulatory-t-cells-in-early-pregnancy-causes-uterine-artery-dysfunction-in-mice
#14
Alison S Care, Stephane L Bourque, Jude S Morton, Emma P Hjartarson, Sarah A Robertson, Sandra T Davidge
Preeclampsia, fetal growth restriction, and miscarriage remain important causes of maternal and perinatal morbidity and mortality. These complications are associated with reduced numbers of a specialized T lymphocyte subset called regulatory T cells (Treg cells) in the maternal circulation, decidua, and placenta. Treg cells suppress inflammation and prevent maternal immunity toward the fetus, which expresses foreign paternal alloantigens. Treg cells are demonstrated to contribute to vascular homeostasis, but whether Treg cells influence the vascular adaptations essential for a healthy pregnancy is unknown...
May 21, 2018: Hypertension
https://www.readbyqxmd.com/read/29785877/hepatitis-b-virus-lymphotropism-emerging-details-and-challenges
#15
Shivali S Joshi, Carla S Coffin
The hepatitis B virus (HBV) is predominantly a hepatotropic virus but also infects cells of the lymphatic system. HBV genomes (DNA, messenger (m)RNA, covalently closed circular (ccc) DNA) and proteins have been found in extrahepatic sites such as peripheral blood mononuclear cells (PBMC), lymph nodes, spleen, bone marrow and cerebrospinal fluid. HBV entry into hepatocytes occurs by binding of the HBV preS1 surface protein to its specific receptor, the bile acid transporter, sodium taurocholate co-transporting polypeptide (NTCP)...
May 22, 2018: Biotechnology & Genetic Engineering Reviews
https://www.readbyqxmd.com/read/29785863/hyperbaric-oxygen-inhibits-production-of-cd3-t-cells-in-the-thymus-and-facilitates-malignant-glioma-cell-growth
#16
Yong-Gang Wang, Jiang Long, Dong-Chuan Shao, Hai Song
Objective Hyperbaric oxygen (HBO) is an emerging complementary alternative medical approach in glioma treatment. However, its mode of action is unknown, so this was investigated in the present study. Methods We constructed an intracranial glioma model of congenic C57BL/6J mice. Glioma growth under HBO stimulation was assessed by bioluminescent imaging and magnetic resonance imaging. Flow cytometry assessed direct effects of HBO on reactive oxygen species (ROS) signaling of transplanted glioma cells and organs, and quantified mature T cells and subgroups in tumors, the brain, and blood...
January 1, 2018: Journal of International Medical Research
https://www.readbyqxmd.com/read/29785842/circular-rna-0068669-as-a-new-biomarker-for-hepatocellular-carcinoma-metastasis
#17
Ting Yao, Qingqing Chen, Zhouwei Shao, Zhihua Song, Liyun Fu, Bingxiu Xiao
BACKGROUND: Circular RNAs (circRNAs) play important roles in disease occurrence. However, the roles of circRNAs in the diagnosis of hepatocellular carcinoma (HCC) are largely unknown. The aim of this study is to investigate the clinical diagnostic values of hsa_circ_0068669 (Alias: hsa_circ_103561), one of the representative HCC-associated circRNAs. METHODS: Hsa_circ_0068669 expression levels in HCC tissues, HCC cell lines, and chronic hepatitis tissues were detected by real-time quantitative reverse transcription-polymerase chain reaction...
May 21, 2018: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29785785/metabolism-within-the-tumor-microenvironment-and-its-implication-on-cancer-progression-an-ongoing-therapeutic-target
#18
REVIEW
Ma Carmen Ocaña, Beatriz Martínez-Poveda, Ana R Quesada, Miguel Ángel Medina
Since reprogramming energy metabolism is considered a new hallmark of cancer, tumor metabolism is again in the spotlight of cancer research. Many studies have been carried out and many possible therapies have been developed in the last years. However, tumor cells are not alone. A series of extracellular components and stromal cells, such as endothelial cells, cancer-associated fibroblasts, tumor-associated macrophages, and tumor-infiltrating T cells, surround tumor cells in the so-called tumor microenvironment (TME)...
May 22, 2018: Medicinal Research Reviews
https://www.readbyqxmd.com/read/29785672/aberrant-t-cell-subsets-and-cytokines-expression-profile-in-systemic-lupus-erythematosus
#19
Haiyan Zhou, Bailong Hu, Niwen Huang, Xiangang Mo, Wei Li, Bei Zhang, Bo Wei, Mingzhu Gao, Yiming Wang, Xingde Liu, Joshua Liao
To assess T cell subsets and levels of chemokines and cytokines in patients with SLE and determine their relationships between disease activity and organ involvement. Blood samples from SLE patients (n = 24) and healthy controls (n = 36) were analyzed. Frequency of circulating follicular help T cells (Tfh), central memory T cells (Tcm), effector memory T cells (Tem), and naïve T cell subsets was enumerated and their surface markers expression of inducible T cell co-stimulator (ICOS) and programmed death 1(PD-1) protein was examined by flow cytometry...
May 22, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29785656/how-to-measure-the-immunosuppressive-activity-of-mdsc-assays-problems-and-potential-solutions
#20
Annika M Bruger, Anca Dorhoi, Gunes Esendagli, Katarzyna Barczyk-Kahlert, Pierre van der Bruggen, Marie Lipoldova, Tomas Perecko, Juan Santibanez, Margarida Saraiva, Jo A Van Ginderachter, Sven Brandau
Myeloid-derived suppressor cells (MDSC) are a heterogeneous group of mononuclear and polymorphonuclear myeloid cells, which are present at very low numbers in healthy subjects, but can expand substantially under disease conditions. Depending on disease type and stage, MDSC comprise varying amounts of immature and mature differentiation stages of myeloid cells. Validated unique phenotypic markers for MDSC are still lacking. Therefore, the functional analysis of these cells is of central importance for their identification and characterization...
May 21, 2018: Cancer Immunology, Immunotherapy: CII
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