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https://www.readbyqxmd.com/read/27921406/house-dust-mites-confer-a-distinct-immunological-feature-among-dermatitis
#1
Safa Baris, Ahmet Ozen, Tuba Akdeniz, Elif Karakoc-Aydiner, Ovgu Aydin, Hulya Ercan, Ismail Ogulur, Yildiz Camcioglu, Reha Cengizlier, Cuyan Demirkesen, Deniz Yucelten, Gulderen Demirel, Isil B Barlan
Atopic dermatitis (AD) is a heterogeneous disease with regard to clinical phenotype and natural history. We investigated T cell subtypes and cytokine responses in peripheral blood and skin lesions of AD patients with various sensitivities. Immunological studies were performed in 27 subjects: 9 house dust mite (HDM)-sensitized; 6 subjects with sensitizations other than HDM; 7 non-allergic AD patients and 5 healthy controls. Among those, skin biopsy samples of 13 subjects were evaluated for immunohistochemical analyses, as well...
August 2016: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/27921326/correlation-of-genetic-results-with-testicular-histology-hormones-and-sperm-retrieval-in-nonobstructive-azoospermia-patients-with-testis-biopsy
#2
W Liu, X Gao, G Ma, L Yan, T Chen, T Li, R-M Yu, J-L Ma
To investigate the frequency and types of genetic results in different testicular histology of patients with nonobstructive azoospermia (NOA), and correlated with hormones and sperm retrieval (SR), a retrospective study was conducted in 286 Chinese NOA patients who underwent testis biopsy and 100 age-matched fertile men as the control group. Chromosome karyotype analyses were performed by the peripheral blood chromosome G-band detection method. Screening of Y chromosome microdeletions of azoospermia factor (AZF) region was performed by polymerase chain reaction (PCR) amplification of 11 sequence-tagged sites (STS)...
December 6, 2016: Andrologia
https://www.readbyqxmd.com/read/27919285/a-randomised-patient-assessor-blinded-sham-controlled-trial-of-external-non-invasive-peripheral-nerve-stimulation-for-chronic-neuropathic-pain-following-peripheral-nerve-injury-en-pens-trial-study-protocol-for-a-randomised-controlled-trial
#3
Selina Johnson, Andreas Goebel, Roberta Richey, Emily Holmes, Dyfrig Hughes
BACKGROUND: Eight percent of people in the UK are estimated to have persistent (chronic) neuropathic pain, and for many there is no effective treatment. Medications are the most common first-line treatment but often have limited benefit or adverse events. Surgical treatments, such as spinal cord stimulation, are then often considered. External non-invasive peripheral nerve stimulation (EN-PENS) is a form of electrical stimulation that involves placing a pen-shaped electrode onto the skin, which can be easily self-administered by patients...
December 6, 2016: Trials
https://www.readbyqxmd.com/read/27918730/il-4-induces-the-formation-of-multinucleated-giant-cells-and-expression-of-%C3%AE-5-integrin-in-central-giant-cell-lesion
#4
A Aghbali, S Rafieyan, L Mohamed-Khosroshahi, B Baradaran, D Shanehbandi, M Kouhsoltani
BACKGROUND: It is now well established that IL-4 has a central role in the development of monocytes to multinucleated giant cells (MGCs) by inducing the expression of integrins on the surface of monocytes. The aim of this study was to investigate the potential role of IL-4 in induction of β5 integrin expression in the peripheral blood samples of patients with giant cell granuloma. MATERIAL AND METHODS: Monocytes were isolated from peripheral blood samples of patients with central giant cell granuloma (CGCG) and healthy controls using human Monocyte Isolation Kit II...
December 6, 2016: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/27918250/evaluation-of-immunostimulatory-effects-of-n-2-hydroxy-propyl-3-trimethylammonium-chitosan-chloride-for-improving-live-attenuated-hepatitis-a-virus-vaccine-efficacy
#5
Wei Tao, Ting Fu, Zhuojing He, Ruxi Hu, Lan Jia, Yan Hong
This study was to evaluate the immunostimulatory effects of N-(2-hydroxy) propyl-3-trimethylammonium chitosan chloride (HTCC) as an adjuvant for improving a commercial live attenuated hepatitis A virus (HAV) vaccine efficacy in mice. Mice in the experimental group were intraperitoneally immunized with a solution of HTCC and live attenuated HAV vaccine. And for those injected with sterile water, HTCC or live attenuated HAV vaccine were treated as mock group, negative group, and positive group in turn. The serum HAV-specific IgG titers and the ratios of the serum HAV-specific IgG2a/IgG1 in the experimental group were significantly increased (p = 0...
December 5, 2016: Viral Immunology
https://www.readbyqxmd.com/read/27917626/association-of-new-putative-epitopes-of-myelin-proteolipid-protein-58-74-with-pathogenesis-of-multiple-sclerosis
#6
Zahra Zamanzadeh, Ghasem Ahangari, Mitra Ataei, Samie Pouragahi, Seyed Massood Nabavi, Mehdi Sadeghi, Mohammad Hossein Sanati
Multiple sclerosis (MS) is an autoimmune disease in which auto-reactive T cells react with self-antigens expressed in the central nervous system (CNS). The main cause of MS is unknown. Nonetheless, the most probable theory is based on molecular mimicry, which suggests that some infections can activate T cells against brain auto-antigens like myelin proteolipid protein (PLP) and initiate the disease cascade. This study is conducted to evaluate the activatory effects of PLP58-74 on T lymphocytes and humoral immunity...
October 2016: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/27916585/perinatal-exposure-to-glyphosate-based-herbicide-alters-the-thyrotrophic-axis-and-causes-thyroid-hormone-homeostasis-imbalance-in-male-rats
#7
Janaina Sena de Souza, Marina Malta Letro Kizys, Rodrigo Rodrigues da Conceição, Gabriel Glebocki, Renata Marino Romano, Tania Maria Ortiga-Carvalho, Gisele Giannocco, Ismael Dale Cotrim Guerreiro da Silva, Magnus Regios Dias da Silva, Marco Aurélio Romano, Maria Izabel Chiamolera
Glyphosate-based herbicides (GBHs) are widely used in agriculture. Recently, several animal and epidemiological studies have been conducted to understand the effects of these chemicals as an endocrine disruptor for the gonadal system. The aim of the present study was to determine whether GBHs could also disrupt the hypothalamic-pituitary-thyroid (HPT) axis. Female pregnant Wistar rats were exposed to a solution containing GBH Roundup(®)Transorb (Monsanto). The animals were divided into three groups (control, 5mg/kg/day or 50mg/kg/day) and exposed from gestation day 18 (GD18) to post-natal day 5 (PND5)...
December 1, 2016: Toxicology
https://www.readbyqxmd.com/read/27915120/gradient-and-shim-technologies-for-ultra-high-field-mri
#8
Simone A Winkler, Franz Schmitt, Hermann Landes, Josh DeBever, Trevor Wade, Andrew Alejski, Brian K Rutt
Ultra High Field (UHF) MRI requires improved gradient and shim performance to fully realize the promised gains (SNR as well as spatial, spectral, diffusion resolution) that higher main magnetic fields offer. Both the more challenging UHF environment by itself, as well as the higher currents used in high performance coils, require a deeper understanding combined with sophisticated engineering modeling and construction, to optimize gradient and shim hardware for safe operation and for highest image quality. This review summarizes the basics of gradient and shim technologies, and outlines a number of UHF-related challenges and solutions...
November 30, 2016: NeuroImage
https://www.readbyqxmd.com/read/27915068/effects-of-the-pulsed-ultrasound-therapy-on-sensory-nerve-conduction-parameters-and-the-pain-threshold-perceptions-in-humans
#9
Othmar Schuhfried, Damir Vukanovic, Christian Kollmann, Karin Pieber, Tatjana Paternostro-Sluga
BACKGROUND: Therapeutic ultrasound is a often used clinical modality in the non-surgical treatment of entrapment neuropathies. To date the possible mechanism of action of pulsed ultrasound therapy on the peripheral nerve in the treatment of entrapment neuropathies is unclear. OBJECTIVE: To examine the effects of pulsed ultrasound therapy on peripheral nerve conduction parameters. DESIGN: A prospective, randomized, single blind, cross-over study...
November 30, 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/27914963/hypothermia-in-mouse-is-caused-by-adenosine-a1-and-a3-receptor-agonists-and-amp-via-three-distinct-mechanisms
#10
Jesse Lea Carlin, Shalini Jain, Elizabeth Gizewski, Tina C Wan, Dilip K Tosh, Cuiying Xiao, John A Auchampach, Kenneth A Jacobson, Oksana Gavrilova, Marc L Reitman
Small mammals have the ability to enter torpor, a hypothermic, hypometabolic state, allowing impressive energy conservation. Administration of adenosine or adenosine 5'-monophosphate (AMP) can trigger a hypothermic, torpor-like state. We investigated the mechanisms for hypothermia using telemetric monitoring of body temperature in wild type and receptor knock out (Adora1(-/-)-/-, Adora3(-/-)) mice. Confirming prior data, stimulation of the A3 adenosine receptor (AR) induced hypothermia via peripheral mast cell degranulation, histamine release, and activation of central histamine H1 receptors...
November 30, 2016: Neuropharmacology
https://www.readbyqxmd.com/read/27914820/cell-therapy-in-critical-limb-ischemia-a-comprehensive-analysis-of-two-cell-therapy-products
#11
Claire Tournois, Bernard Pignon, Marie-Antoinette Sevestre, Rida Al-Rifai, Valerie Creuza, Gaël Poitevin, Caroline François, Philippe Nguyen
BACKGROUND: Cell therapy has been proposed as a salvage limb procedure in critical limb ischemia (CLI). In spite of the fact that clinical trials found some efficacy, the mechanism of action remains elusive. The objective of this study was to characterize two autologous cell therapy products (CTPs) obtained from patients with advanced peripheral arterial disease. METHODS: Bone marrow (BM-CTPs) (n = 20) and CTPs obtained by non-mobilized cytapheresis (peripheral blood [PB]-CTPs) (n = 20) were compared...
November 30, 2016: Cytotherapy
https://www.readbyqxmd.com/read/27913649/identification-and-function-of-fibrocytes-in-skeletal-muscle-injury-repair-and-muscular-dystrophy
#12
Xingyu Wang, Wanming Zhao, Richard M Ransohoff, Lan Zhou
We identified and characterized the function of CD45(+)/collagen I(+) fibrocytes in acutely injured skeletal muscle of wild-type (WT) and Ccr2(-/-) mice, and in quadriceps and diaphragm muscles of mdx(5cv) mice, a mouse model for Duchenne muscular dystrophy. Fibrocytes were not detected in peripheral blood of WT mice after acute muscle injury or mdx(5cv) mice. Fibrocytes were detected in acutely injured muscles and in mdx(5cv) quadriceps and diaphragm muscles. These cells expressed F4/80 and CCR2, and they were mostly Ly6C(lo) They expressed a low level of collagens but a high level of profibrotic growth factors as compared with i...
December 15, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27913572/very-low-density-lipoprotein-vldl-induced-signals-mediating-aldosterone-production
#13
Ying-Ying Tsai, William E Rainey, Wendy B Bollag
Aldosterone, secreted by the adrenal zona glomerulosa, enhances sodium retention, thus increasing blood volume and pressure. Excessive production of aldosterone results in high blood pressure, and contributes to cardiovascular and renal disease, stroke, and visual loss. Hypertension is also associated with obesity, which s correlated with other serious health risks as well. Although weight gain is associated with increased blood pressure, the mechanism by which excess fat deposits increase blood pressure remains unclear...
December 2, 2016: Journal of Endocrinology
https://www.readbyqxmd.com/read/27912146/inosine-acedoben-dimepranol-promotes-an-early-and-sustained-increase-in-the-natural-killer-cell-component-of-circulating-lymphocytes-a-clinical-trial-supporting-anti-viral-indications
#14
S Rumel Ahmed, Amy S Newman, James O'Daly, Sean Duffy, Gillian Grafton, Catherine A Brady, S John Curnow, Nicholas M Barnes, John Gordon
Inosine Acedoben Dimepranol (IAD), licensed for the treatment of cell-mediated immune deficiencies associated with viral infections, has been reported to impact a variety of immune parameters both in vitro and in vivo. Here we report the results from a clinical trial where multiple lymphocyte subsets - CD19+ B cells, CD3+ T cells, CD4+ T-helper cells, FoxP3(hi)/CD25(hi)/CD127(lo) regulatory T cells (Tregs), CD3-/CD56+ NK cells, and CD3+/CD56+ NKT cells - were, together with serum immunoglobulins and IgG subclasses, followed during 14days of IAD administration to ten healthy volunteers; these selected from 27 individuals pre-screened in vitro for their capacity to respond to IAD as gauged by increases in the percentage of Treg and/or NKT cells arising in PHA-stimulated cultures...
November 29, 2016: International Immunopharmacology
https://www.readbyqxmd.com/read/27911395/preparation-of-primary-mixed-glial-cultures-from-adult-mouse-spinal-cord-tissue
#15
Jennifer T Malon, Ling Cao
It has been well-accepted that spinal cord glial responses contribute significantly to the development of neuropathic pain. Tremendous information regarding glial activities at the cellular and molecular levels has been obtained through in vitro cell culture systems. The in vitro systems utilized, mainly include primary glia derived from neonatal brain cortical tissue and immortalized cell lines. However, these systems may not reflect the characteristics of spinal cord glial cells in vivo. In order to further investigate the roles of spinal cord glial cells in the development of peripheral nerve injury-induced neuropathic pain using a culture system that better reflects the in vivo condition, our laboratory has developed a method to establish primary spinal cord mixed glial cultures from adult mice...
November 19, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27911371/development-of-stem-cell-derived-antigen-specific-regulatory-t-cells-against-autoimmunity
#16
Mohammad Haque, Kristin Fino, Praneet Sandhu, Jianxun Song
Autoimmune diseases arise due to the loss of immunological self-tolerance. Regulatory T cells (Tregs) are important mediators of immunologic self-tolerance. Tregs represent about 5 - 10% of the mature CD4(+) T cell subpopulation in mice and humans, with about 1 - 2% of those Tregs circulating in the peripheral blood. Induced pluripotent stem cells (iPSCs) can be differentiated into functional Tregs, which have a potential to be used for cell-based therapies of autoimmune diseases. Here, we present a method to develop antigen (Ag)-specific Tregs from iPSCs (i...
November 8, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27911104/upregulation-of-t-cell-immunoglobulin-and-mucin-domain-containing-3-tim-3-in-monocytes-macrophages-associates-with-gastric-cancer-progression
#17
Zhenxin Wang, Ni Yin, Zixiang Zhang, Yi Zhang, Guangbo Zhang, Weichang Chen
T-cell immunoglobulin and mucin-domain containing-3 (Tim-3) is an important immune regulatory molecule in cancer immune system. However, expression and function of Tim-3 in monocytes/macrophages in cancer progression mainly remain unclear. In this study, we analyzed Tim-3 levels in peripheral blood mononuclear cells (PBMCs) from 62 gastric cancer patients and 45 healthy controls using flow cytometry and then associated Tim-3 levels with clinical pathological data from patients. We found Tim-3 level was significantly upregulated in monocytes from gastric cancer patients compared with those from healthy controls, and that upregulated Tim-3 levels associated with depth of tumor invasion and tumor lymph node metastasis and advanced clinical stages of gastric cancer patients...
December 2, 2016: Immunological Investigations
https://www.readbyqxmd.com/read/27910257/neurostimulation-for-postsurgical-analgesia-a-novel-system-enabling-ultrasound-guided-percutaneous-peripheral-nerve-stimulation
#18
Brian M Ilfeld, Stuart A Grant, Christopher A Gilmore, John Chae, Richard D Wilson, Amorn Wongsarnpigoon, Joseph W Boggs
While neurostimulation-stimulation of the nervous system using electrical current-has been used to treat chronic pain, its use treating postsurgical pain has been limited. Here we report on the clinical application of a novel investigational lead to provide analgesia following total knee arthroplasty. In 5 subjects, leads were inserted percutaneously using ultrasound guidance within 0.5 to 3.0 cm of the femoral and/or sciatic nerve(s). With the delivery of current, pain decreased an average of 63% at rest, with 4 of 5 subjects having relief of >50%...
December 2, 2016: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/27908969/synthesis-and-evaluation-of-the-new-estrogen-receptor-%C3%AE-selective-radioligand-18f-fhnp-comparison-with-18f-fes
#19
Inês F Antunes, Aren van Waarde, Rudi A Dierckx, Elisabeth G E de Vries, Geke A P Hospers, Erik F de Vries
: Estrogen receptors (ER) are targets for endocrine treatment of estrogen-dependent cancers. The ER consists of 2 isoforms, ERα and ERβ, which have distinct biological functions. While activation of ERα stimulates cell proliferation and cell survival, ERβ promotes apoptosis. Positron emission tomography (PET) of ERα and ERβ levels could provide more insight in response to hormonal treatment. 16α-(18)F-Fluoro-17β-estradiol ((18)F-FES) is a PET tracer for ER with relative selectivity for ERα...
December 1, 2016: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/27908782/adaptive-responses-of-neuronal-mitochondria-to-bioenergetic-challenges-roles-in-neuroplasticity-and-disease-resistance
#20
REVIEW
Sophia M Raefsky, Mark P Mattson
An important concept in neurobiology is "neurons that fire together, wire together" which means that the formation and maintenance of synapses is promoted by activation of those synapses. Very similar to the effects of the stress of exercise on muscle cells, emerging findings suggest that neurons respond to activity by activating signaling pathways (e.g., Ca(2+), CREB, PGC-1α, NF-κB) that stimulate mitochondrial biogenesis and cellular stress resistance. These pathways are also activated by aerobic exercise and food deprivation, two bioenergetic challenges of fundamental importance in the evolution of the brains of all mammals, including humans...
November 29, 2016: Free Radical Biology & Medicine
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