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https://www.readbyqxmd.com/read/28231661/-a-retrospective-cohort-study-on-survival-status-of-aids-patients-among-15-or-above-year-olds-in-henan-province-from-2008-to-2015
#1
W J Yang, N Li, Y Liang, J Li, P Y Fan, D Y Sun, Q Zhu, Z Wang
Objective: To explore the survival status and affecting factors among patients diagnosed as AIDS, in Henan province. Methods: Database of AIDS patients were downloaded from the China information system for disease prevention and control-AIDS with a retrospective study conducted. Inclusion criteria on patients would involve those diagnosed between 2008 and 2015, aged 15 years or above. Results: A total number of 25 525 HIV/AIDS patients were enrolled in this study. During the follow-up period, the overall mortality among all the patients was 24...
February 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28231625/experimental-study-on-1-25-oh-2-d3-amelioration-of-oral-lichen-planus-through-regulating-nf-%C3%AE%C2%BAb-signaling-pathway
#2
Jie Du, Ran Li, Feiyan Yu, Fang Yang, Jinhua Wang, Qingyong Chen, Xiangyu Wang, Bin Zhao, Fang Zhang
OBJECTIVE: To explore the protective function of vitamin D (VD)/vitamin D receptor (VDR) on the development of oral lichen planus (OLP) and elaborate the underling mechanism of it. METHODS: H&E staining, myeloid Peroxidase (MPO) assays, quantitative PCR (qPCR), western blotting and Elisa were used to test the human biopsies and serum. QPCR, western blotting, Elisa and siRNA transfection were also performed in LPS-induced keratinocytes to observe the functions of vitamin D and VDR...
February 23, 2017: Oral Diseases
https://www.readbyqxmd.com/read/28231624/targets-and-mechanisms-in-prevention-of-parkinson-s-disease-through-immunomodulatory-treatments
#3
REVIEW
Marianne von Euler Chelpin, Thomas Vorup-Jensen
Parkinson's Disease (PD) is the second most common neurodegenerative disease in the world, however, there is no cure for it. Current treatments only relieve some of the symptoms, without ceasing the disease, and lose efficacy with prolonged treatment. Considerable evidence shows that persistent inflammatory responses, involving T cell infiltration and glial cell activation, are common characteristics of human patients and play a crucial role in the degeneration of dopaminergic neurons. Therefore, it is important to develop therapeutic strategies that can impede or halt the disease through the modulation of the peripheral immune system by aiming at controlling the existing neuroinflammation...
February 23, 2017: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/28231588/checkpoint-inhibition-in-head-and-neck-cancer-immune-therapeutic-options-limitations-and-beyond
#4
Bastian Höchst, Percy A Knolle
The immune system functions to defend the organism against infectious microorganisms but also against transformed cells. This key role of the immune system, in particular cancer-specific T cells, in eliminating cancer cells is compromised by various immune escape strategies employed by cancer cells and the cancer microenvironment. Here, we review the current knowledge about the immune escape mechanisms of cancer and the attempts to reconstitute cancer-specific immunity by using checkpoint inhibitors in head and neck squamous cell carcinoma...
February 24, 2017: ORL; Journal for Oto-rhino-laryngology and its related Specialties
https://www.readbyqxmd.com/read/28231577/response-evaluation-in-head-and-neck-oncology-definition-and-prediction
#5
T K Hoffmann, P J Schuler, S Laban, R Grässlin, M Beer, A J Beer, U Friebe-Hoffmann, L Bullinger, P Möller, T Wiegel
Curative treatment of head and neck squamous cell carcinoma includes surgery and/or (chemo)radiation, whereas in the palliative setting, chemotherapy and/or immunotherapy represent(s) the standard approach. With regard to quality control, methods for determining treatment response are sorely needed. For surgical therapy, histopathology is the standard quality control. Established criteria for high-risk patients include resection margins of the primary tumor and extracapsular extension of lymph node metastases...
February 24, 2017: ORL; Journal for Oto-rhino-laryngology and its related Specialties
https://www.readbyqxmd.com/read/28231431/enhancing-adoptive-cell-therapy-of-cancer-through-targeted-delivery-of-small-molecule-immunomodulators-to-internalizing-or-non-internalizing-receptors
#6
Yiran Zheng, Li Tang, Llian Mabardi, Sudha Kumari, Darrell J Irvine
Adoptive cell therapy (ACT) has achieved striking efficacy in B-cell leukemias, but less success treating other cancers, in part due to the rapid loss of ACT T-cell effector function in vivo due to immunosuppression in solid tumors. Transforming growth factor-β (TGF-β) signaling is an important mechanism of immune suppression in the tumor microenvironment, but systemic inhibition of TGF-β is toxic. Here we evaluated the potential of targeting a small molecule inhibitor of TGF-β to ACT T-cells using PEGylated immunoliposomes...
February 23, 2017: ACS Nano
https://www.readbyqxmd.com/read/28231392/from-dendritic-cells-to-b-cells-dysfunctions-during-hiv-1-infection-tfh-at-the-cross-road
#7
REVIEW
Nicolas Ruffin, Lylia Hani, Nabila Seddiki
T follicular helper (Tfh) cells are essential for B cell differentiation and the subsequent antibody responses. Their numbers and functions are altered during human and simian immunodeficiency virus (HIV/SIV) infections. In lymphoid tissues, Tfh cells are present in germinal center, where they are the main source of replicative HIV-1 and represent a major reservoir. Paradoxically, Tfh numbers are increased in chronically infected individuals. Understanding the fate of Tfh cells in the course of HIV-1 infection is essential for the design of efficient strategies toward a protective HIV vaccine or a cure...
February 23, 2017: Immunology
https://www.readbyqxmd.com/read/28231338/genes-encoding-two-theileria-parva-antigens-recognized-by-cd8-t-cells-exhibit-sequence-diversity-in-south-sudanese-cattle-populations-but-the-majority-of-alleles-are-similar-to-the-muguga-component-of-the-live-vaccine-cocktail
#8
Diaeldin A Salih, Roger Pelle, Joram M Mwacharo, Moses N Njahira, Wani L Marcellino, Henry Kiara, Agol K Malak, Abdel Rahim M El Hussein, Richard Bishop, Robert A Skilton
East Coast fever (ECF), caused by Theileria parva infection, is a frequently fatal disease of cattle in eastern, central and southern Africa, and an emerging disease in South Sudan. Immunization using the infection and treatment method (ITM) is increasingly being used for control in countries affected by ECF, but not yet in South Sudan. It has been reported that CD8+ T-cell lymphocytes specific for parasitized cells play a central role in the immunity induced by ITM and a number of T. parva antigens recognized by parasite-specific CD8+ T-cells have been identified...
2017: PloS One
https://www.readbyqxmd.com/read/28231312/analysis-of-the-t-cell-response-to-zika-virus-and-identification-of-a-novel-cd8-t-cell-epitope-in-immunocompetent-mice
#9
Ryan D Pardy, Maaran M Rajah, Stephanie A Condotta, Nathan G Taylor, Selena M Sagan, Martin J Richer
Zika virus (ZIKV) is an emerging arbovirus of the Flaviviridae family. Although ZIKV infection is typically mild and self-limiting in healthy adults, infection has been associated with neurological symptoms such as Guillain-Barré syndrome, and a causal link has been established between fetal microcephaly and ZIKV infection during pregnancy. These risks, and the magnitude of the ongoing ZIKV pandemic, have created an urgent need for the development of animal models to study the immune response to ZIKV infection...
February 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28231307/differential-regulation-of-c5a-receptor-1-in-innate-immune-cells-during-the-allergic-asthma-effector-phase
#10
Fanny Ender, Anna V Wiese, Inken Schmudde, Jing Sun, Tillman Vollbrandt, Peter König, Yves Laumonnier, Jörg Köhl
C5a drives airway constriction and inflammation during the effector phase of allergic asthma, mainly through the activation of C5a receptor 1 (C5aR1). Yet, C5aR1 expression on myeloid and lymphoid cells during the allergic effector phase is ill-defined. Recently, we generated and characterized a floxed green fluorescent protein (GFP)-C5aR1 knock-in mouse. Here, we used this reporter strain to monitor C5aR1 expression in airway, pulmonary and lymph node cells during the effector phase of OVA-driven allergic asthma...
2017: PloS One
https://www.readbyqxmd.com/read/28231294/association-of-neutrophil-lymphocyte-ratio-and-t-lymphocytes-with-the-pathogenesis-and-progression-of-hbv-associated-primary-liver-cancer
#11
Xiaoli Liu, Lingling He, Junyan Han, Lijia Wang, Mengge Li, Yuyong Jiang, Xianbo Wang, Zhiyun Yang
BACKGROUND: The neutrophil-lymphocyte ratio (NLR) is a new prognostic predictor for patients with liver cancer. The association of NLR and T lymphocytes with the pathogenesis and progression of liver cancer is poorly understood. METHODS: Seventy-three patients with hepatitis B virus (HBV)-associated primary liver cancer (HBV-PLC), 50 patients with HBV-associated liver cirrhosis (HBV-LC) and 37 patients with chronic HBV infection (CHB) were prospectively enrolled from July 1, 2013 to February 28, 2014 in Beijing Ditan Hospital, Capital Medical University (Beijing, China)...
2017: PloS One
https://www.readbyqxmd.com/read/28231270/correction-htlv-1-bzip-factor-enhances-t-cell-proliferation-by-impeding-the-suppressive-signaling-of-co-inhibitory-receptors
#12
Haruka Kinosada, Jun-Ichirou Yasunaga, Kazuya Shimura, Paola Miyazato, Chiho Onishi, Tomonori Iyoda, Kayo Inaba, Masao Matsuoka
[This corrects the article DOI: 10.1371/journal.ppat.1006120.].
February 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28231258/depressive-symptoms-in-hiv-infected-and-seronegative-control-subjects-in-cameroon-effect-of-age-education-and-gender
#13
Georgette D Kanmogne, Fang Qiu, Félicien E Ntone, Julius Y Fonsah, Dora M Njamnshi, Callixte T Kuate, Roland F Doh, Anne M Kengne, Claude T Tagny, Emilienne Nchindap, Léopoldine Kenmogne, Dora Mbanya, Mariana Cherner, Robert K Heaton, Alfred K Njamnshi
Depression is a leading cause of HIV/AIDS disease burden; it worsens health outcomes and quality of life. Addressing this problem requires accurate quantification of the extra burden of depression to HIV/AIDS in a given population, and knowledge of the baseline depression prevalence in the general population. There has been no previous study of depression in the general Cameroonian population. The current study attempts to address that important need. We used the Beck Depression Inventory-II to assess the prevalence and severity of depressive symptoms in 270 HIV-infected and seronegative Cameroonians...
2017: PloS One
https://www.readbyqxmd.com/read/28231233/association-of-topoisomerase-ii-top2a-and-dual-specificity-phosphatase-6-dusp6-single-nucleotide-polymorphisms-with-radiation-treatment-response-and-prognosis-of-lung-cancer-in-han-chinese
#14
Tian-Lu Wang, Yang-Wu Ren, He-Tong Wang, Hong Yu, Yu-Xia Zhao
BACKGROUND Mutations of DNA topoisomerase II (TOP2A) are associated with chemotherapy resistance, whereas dual-specificity phosphatase 6 (DUSP6) negatively regulates members of the mitogen-activated protein (MAP) kinase superfamily to control cell proliferation. This study assessed TOP2A and DUSP6 single nucleotide polymorphisms (SNPs) in non-small cell lung cancer (NSCLC) patients for association with chemoradiotherapy responses and prognosis. MATERIAL AND METHODS A total of 140 Chinese patients with histologically confirmed NSCLC were enrolled and subjected to genotyping of TOP2A rs471692 and DUSP6 rs2279574 using Taqman PCR...
February 23, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28230853/mesenchymal-stromal-cells-inhibit-cd25-expression-via-the-mtor-pathway-to-potentiate-t-cell-suppression
#15
Hyun Seung Yoo, Kyuheon Lee, Kwangmin Na, Yong Xu Zhang, Hyun-Ja Lim, TacGhee Yi, Sun U Song, Myung-Shin Jeon
Mesenchymal stromal cells (MSCs) are known to suppress T-cell activation and proliferation. Several studies have reported that MSCs suppress CD25 expression in T cells. However, the molecular mechanism underlying MSC-mediated suppression of CD25 expression has not been fully examined. Here, we investigated the mTOR pathway, which is involved in CD25 expression in T cells. We showed that MSCs inhibited CD25 expression, which was restored in the presence of an inducible nitric oxide synthase (iNOS) inhibitor...
February 23, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28230826/modifying-effects-of-5-azacytidine-on-metal-containing-proteins-profile-in-guerin-carcinoma-with-different-sensitivity-to-cytostatics
#16
V F Chekhun, Y V Lozovska, L A Naleskina, T V Borikun, A P Burlaka, I N Todor, D V Demash, T M Yalovenko, T V Zadvornyi, A O Pavlova, D M Storchay, N Yu Lukianova
AIM: To assess the influence of the treatment with 5-azacytidine (5-aza) on the profile of metal-containing proteins and factors of their regulation in Guerin carcinoma cells in vivo. MATERIALS AND METHODS: The study was conducted on Wistar rats transplanted with wild-type Guerin carcinoma (Guerin/WT) and its strains resistant to cisplatin (Guerin/CP) or doxorubicin (Guerin/Dox). Animals were distributed in 6 groups treated with 5-aza and control animals without treatment...
December 2016: Experimental Oncology
https://www.readbyqxmd.com/read/28230733/ck2-molecular-targeting-tumor-cell-specific-delivery-of-rnai-in-various-models-of-cancer
#17
REVIEW
Janeen H Trembley, Betsy T Kren, Md Joynal Abedin, Rachel I Vogel, Claire M Cannon, Gretchen M Unger, Khalil Ahmed
Protein kinase CK2 demonstrates increased protein expression relative to non-transformed cells in the majority of cancers that have been examined. The elevated levels of CK2 are involved in promoting not only continued proliferation of cancer cells but also their resistance to cell death; thus, CK2 has emerged as a plausible target for cancer therapy. Our focus has been to target CK2 catalytic subunits at the molecular level using RNA interference (RNAi) strategies to achieve their downregulation. The delivery of oligonucleotide therapeutic agents warrants that they are protected and are delivered specifically to cancer cells...
February 21, 2017: Pharmaceuticals
https://www.readbyqxmd.com/read/28230720/role-of-vitamin-a-retinoic-acid-in-regulation-of-embryonic-and-adult-hematopoiesis
#18
REVIEW
Ana Cañete, Elena Cano, Ramón Muñoz-Chápuli, Rita Carmona
Vitamin A is an essential micronutrient throughout life. Its physiologically active metabolite retinoic acid (RA), acting through nuclear retinoic acid receptors (RARs), is a potent regulator of patterning during embryonic development, as well as being necessary for adult tissue homeostasis. Vitamin A deficiency during pregnancy increases risk of maternal night blindness and anemia and may be a cause of congenital malformations. Childhood Vitamin A deficiency can cause xerophthalmia, lower resistance to infection and increased risk of mortality...
February 20, 2017: Nutrients
https://www.readbyqxmd.com/read/28230708/cell-derived-nanoparticles-are-endogenous-modulators-of-sepsis-with-therapeutic-potential
#19
Natalia Kunz, Brent T Xia, Kai-Uwe Kalies, Matthias Klinger, Timo Gemoll, Jens K Habermann, Brynne E Whitacre, Aaron P Seitz, Kathrin Kalies, Charles C Caldwell
Cell-derived nanoparticles (CDNPs) containing cytosolic proteins and RNAs/DNAs can be isolated from stressed eukaryotic cells. Previously, CDNPs isolated from cultured cells exerted immunomodulatory activities in different infections. Here, we sought to elucidate the role of CDNPs using a murine model of cecal ligation and puncture (CLP). We hypothesized that CDNPs influence the immune response at the site of infection, where severe cellular stress occurs. We observed early CDNP accumulation in the peritoneum after 4 h and continued CDNP presence 24 h after CLP...
February 22, 2017: Shock
https://www.readbyqxmd.com/read/28230645/clinical-scale-rapid-autologous-bk-virus-specific-t-cell-line-generation-from-kidney-transplant-recipients-with-active-viremia-for-adoptive-immunotherapy
#20
Caroline Lamarche, Julie Orio, Victoria Georges-Tobar, Thomas Pincez, Mathieu Goupil, Amina Dahmani, Cedric Carli C, Ann Brasey, Lambert Busque, Jean-Sébastien Delisle
BACKGROUND: Polyomavirus-associated nephropathy (PVAN) following BK virus reactivation in kidney transplant recipients (KTR) can compromise graft survival. Lowering immunosuppression is the only established approach to prevent or treat PVAN but nonspecifically increasing host immune competence also augments rejection risk. Ex vivo T cell stimulation/expansion offers the possibility to generate BK-specific T cell lines for adoptive immunotherapy. The objective of this study was to develop and characterize a clinical scale protocol to generate BK-specific T cell lines from viremic KTR...
February 23, 2017: Transplantation
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