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https://www.readbyqxmd.com/read/29166603/caveolin1-is-required-for-th1-cell-infiltration-but-not-tight-junction-remodeling-at-the-blood-brain-barrier-in-autoimmune-neuroinflammation
#1
Sarah E Lutz, Julian R Smith, Dae Hwan Kim, Carl V L Olson, Kyle Ellefsen, Jennifer M Bates, Sunil P Gandhi, Dritan Agalliu
Lymphocytes cross vascular boundaries via either disrupted tight junctions (TJs) or caveolae to induce tissue inflammation. In the CNS, Th17 lymphocytes cross the blood-brain barrier (BBB) before Th1 cells; yet this differential crossing is poorly understood. We have used intravital two-photon imaging of the spinal cord in wild-type and caveolae-deficient mice with fluorescently labeled endothelial tight junctions to determine how tight junction remodeling and caveolae regulate CNS entry of lymphocytes during the experimental autoimmune encephalomyelitis (EAE) model for multiple sclerosis...
November 21, 2017: Cell Reports
https://www.readbyqxmd.com/read/29166568/camel-whey-protein-protects-lymphocytes-from-apoptosis-via-the-pi3k-akt-nf-%C3%AE%C2%BAb-atf-3-and-hsp-70-signaling-pathways-in-heat-stressed-male-mice
#2
Gamal Badr, Nancy K Ramadan, Hanem S Abdel-Tawab, Samia F Ahmed, Mohamed H Mahmoud
Heat stress (HS) is an environmental factor that depresses the immune systems mediating dysfunctional immune cells. Camel whey protein (CWP) can scavenge free radicals and enhance immunity. The present study investigated the impact of dietary supplementation with CWP on immune dysfunction induced by exposure to HS. Male mice (n = 45) were divided into three groups: control group; HS group; and HS mice that were orally administered CWP (HS+CWP group). The HS group exhibited elevated levels of reactive oxygen species (ROS) and pro-inflammatory cytokines (IL-1β, IL-6, TNF-α) as well as a significant reduction in the IL-2 and IL-4 levels...
November 22, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/29166509/granulomatous-slack-skin-a-rare-subtype-of-mycosis-fungoides
#3
Letícia Marra da Motta, Cleverson Teixeira Soares, Sadamitsu Nakandakari, Gardênia Viana da Silva, Maria Helena Mazzi Freire Nigro, Leticia Stella Gardini Brandão
We report a case of granulomatous slack skin, a rare and indolent subtype of mycosis fungoides. It affects mainly men between the third and fourth decades. It is characterized by hardened and erithematous plaques that mainly affect flexural areas and become pedunculated after some years. Histological examination shows a dense infiltrate of small atypical lymphocytes involving the dermis (and sometimes the subcutaneous tissue) associated with histiocytic and multinucleated giant cells containing lymphocytes and elastic fibers (lymphophagocytosis and elastophagocytosis, respectively)...
September 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/29166362/neutrophil-to-lymphocyte-ratio-predicts-the-severity-of-incarcerated-groin-hernia
#4
Xingming Xie, Shu Feng, Zhongling Tang, Longyu Chen, Yongsheng Huang, Xianzhi Yang
BACKGROUND The incarceration of a segment of bowel within a groin hernia can result in intestinal strangulation if hernia treatment is delayed. Once intestinal strangulation occurs, a bowel resection may be required, and there is an overall increased risk for postoperative complications. The aim of this study was to identify biomarkers to predict the severity of an incarcerated groin hernia. MATERIAL AND METHODS We retrospectively evaluated the records of 95 patients with incarcerated groin hernias who underwent emergency surgical correction of the hernias...
November 22, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29165732/effect-of-melatonin-supplementation-on-antioxidant-status-and-dna-damage-in-high-intensity-trained-athletes
#5
Manuel Ortiz-Franco, Elena Planells, Bartholomé Quintero, Dario Acuña-Castroviejo, Iryna Rusanova, Germaine Escames, Jorge Molina-López
The aim of the study was to evaluate the effect of melatonin supplementation on antioxidant capacity and DNA damage in high intensity interval training (HIIT) athletes. A 2-week randomised, double-blinded, placebo-controlled trial with two groups was conducted. Placebo (PG) and melatonin (MG) (20 mg/d) athletes were monitored over a two-week period of HIIT and strength training. The total antioxidant capacity (TAC) and the glutathione peroxidase (GPx) and superoxide dismutase (SOD) activities were analysed in blood samples...
November 17, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29165569/preferential-usage-of-specific-immunoglobulin-heavy-chain-variable-region-genes-with-unmutated-profile-and-advanced-stage-at-presentation-are-common-features-in-patients-with-chronic-lymphocytic-leukemia-from-senegal
#6
Teresa Amato, Abibatou Sall, Tandakha NDiaye Dièye, Alessandro Gozzetti, Michele Iacono, Maria Raffaella Ambrosio, Massimo Granai, Serena Somma, Saliou Diop, Awa Oumar Touré, Evelyne May, Charles Henry Gattiollat, Joëlle Wiels, Yonis Ahmed, Martine Raphael, Lorenzo Leoncini, Cristiana Bellan, Pier Paolo Piccaluga
Objectives: Chronic lymphocytic leukemia (CLL) is the most common type of leukemia in Western populations, being rarer in Asian and African people. It has been suggested that patients with CLL from Africa might have a more aggressive disease compared with white patients. In this study, we aimed to identify genetic factors that may account for this difference. Methods: We analyzed immunoglobulin heavy chain (IGH) genes' mutational status by performing next-generation sequencing in 25 Senegalese and 50 Italian patients with CLL...
November 20, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29165304/a-case-of-iga-pemphigus-foliaceus-with-high-scores-on-drug-induced-lymphocyte-stimulation-tests-secondary-to-various-drugs
#7
Tomoko Saito-Shono, Yusuke Nakamura, Takashi Sakai, Kazushi Ishikawa, Mizuki Goto, Naoko Takeo, Yutaka Hatano, Shunichiro Seguchi, Norito Ishii, Hiroshi Koga, Takashi Hashimoto, Sakuhei Fujiwara
No abstract text is available yet for this article.
November 22, 2017: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/29165286/chemoradiation-induced-alteration-of-programmed-death-ligand-1-and-cd8-tumor-infiltrating-lymphocytes-identified-patients-with-poor-prognosis-in-rectal-cancer-a%C3%A2-matched-comparison-analysis
#8
Yu Jin Lim, Jaemoon Koh, Sehui Kim, Sang-Rok Jeon, Eui Kyu Chie, Kyubo Kim, Gyeong Hoon Kang, Sae-Won Han, Tae-You Kim, Seung-Yong Jeong, Kyu Joo Park, Hong-Gyun Wu
PURPOSE: To evaluate chemoradiotherapy (CRT)-induced changes in the expression levels of programmed death-ligand 1 (PD-L1) and CD8(+) tumor-infiltrating lymphocytes (TILs) and prognostic associations in rectal cancer. METHODS AND MATERIALS: We performed a paired analysis using pre-CRT biopsies and the corresponding post-CRT resected tissues of 123 rectal cancer patients undergoing preoperative CRT followed by surgery between 2005 and 2012. Immunohistochemistry of PD-L1 and CD8 was analyzed for the specimens...
December 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/29165150/search-for-biomarkers-of-asbestos-exposure-and-asbestos-induced-cancers-in-investigations-of-the-immunological-effects-of-asbestos
#9
REVIEW
Hidenori Matsuzaki, Naoko Kumagai-Takei, Suni Lee, Megumi Maeda, Nagisa Sada, Tamayo Hatayama, Shoko Yamamoto, Miho Ikeda, Kei Yoshitome, Yu Min, Yasumitsu Nishimura, Takemi Otsuki
The immunological effects of asbestos exposure on various lymphocytes such as the regulatory T cell (Treg), responder CD4+ T helper cell (Tresp), CD8+ cytotoxic T lymphocytes (CTL), and natural killer (NK) cells were investigated. Results show that asbestos exposure impairs antitumor immunity through enhancement of regulatory T cell function and volume, reduction of CXCR3 chemokine receptor in responder CD4+ T helper cells, and impairment of the killing activities of CD8+ cytotoxic T lymphocytes (CTL) and NK cells...
June 9, 2017: Environmental Health and Preventive Medicine
https://www.readbyqxmd.com/read/29165070/bortezomib-in-kidney-transplant-current-use-and-perspectives
#10
Erika B Rangel, Lucio R Requião-Moura, Taina V de Sandes-Freitas, Gessika Marcelo-Gomes
BACKGROUND: Despite major advances in transplant medicine, antibody-mediated rejection (AMR) continues to have severe clinical implications and adversely affect graft survival. Therefore, the search for alternative drugs to treat AMR is widely pursued. The first-in-class proteasome inhibitor bortezomib (BZ) is a selective inhibitor of the 26S proteasome, which was initially approved for the treatment of malignant plasma cell disorders. METHODS: This review encompasses how our understanding of inhibiting proteasome pathway created the basis of BZ research and important milestones accomplished in AMR treatment in the transplant setting...
November 20, 2017: Current Drug Metabolism
https://www.readbyqxmd.com/read/29164978/lend-a-study-to-establish-the-safety-and-efficacy-of-lenalidomide-and-dexamethasone-in-patients-with-relapsed-or-refractory-chronic-lymphocytic-leukemia
#11
Satyen Harish Gohil, Nicola Maciocia, Pip Patrick, Thomas Roberts, Nicholas Counsell, Paul Smith, Laura Clifton-Hadley, Kate Cwynarski, Andrew Pettitt, Amit Chunilal Nathwani
No abstract text is available yet for this article.
November 22, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/29164800/the-generation-of-human-%C3%AE-%C3%AE-t-cell-derived-induced-pluripotent-stem-cells-from-whole-peripheral-blood-mononuclear-cell-culture
#12
Daisuke Watanabe, Michiyo Koyanagi-Aoi, Mariko Taniguchi-Ikeda, Yukiko Yoshida, Takeshi Azuma, Takashi Aoi
γδT cells constitute a small proportion of lymphocytes in peripheral blood. Unlike αβT cells, the anti-tumor activities are exerted through several different pathways in a MHC-unrestricted manner. Thus, immunotherapy using γδT cells is considered to be effective for various types of cancer. Occasionally, however, ex vivo expanded cells are not as effective as expected due to cell exhaustion. To overcome the issue of T-cell exhaustion, researchers have generated induced pluripotent stem cells (iPSCs) that harbor the same T-cell receptor (TCR) genes as their original T-cells, which provide nearly limitless sources for antigen-specific cytotoxic T lymphocytes (CTLs)...
November 21, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29164608/the-absolute-percent-deviation-of-ighv-mutation-rather-than-a-98-cut-off-predicts-survival-of-chronic-lymphocytic-leukaemia-patients-treated-with-fludarabine-cyclophosphamide-and-rituximab
#13
Preetesh Jain, Graciela M Nogueras González, Rashmi Kanagal-Shamanna, Uri Rozovski, Nawid Sarwari, Constantine Tam, William G Wierda, Philip A Thompson, Nitin Jain, Rajyalakshmi Luthra, Andres Quesada, Gabriela Sanchez-Petitto, Alessandra Ferrajoli, Jan Burger, Hagop Kantarjian, Jorge Cortes, Susan O'Brien, Michael J Keating, Zeev Estrov
The degree of somatic hypermutation, determined as percent deviation of immunoglobulin heavy chain gene variable region sequence from the germline (IGHV%), is an important prognostic factor in chronic lymphocytic leukaemia (CLL). Currently, a cut-off of 2% deviation or 98% sequence identity to germline in IGHV sequence is routinely used to dichotomize CLL patients into mutated and unmutated groups. Because dissimilar IGHV% cut-offs of 1-5% were identified in different studies, we wondered whether no cut-off should be applied and IGHV% treated as a continuous variable...
November 21, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/29164545/-sleep-quality-depression-anxiety-and-self-esteem-in-people-living-with-hiv-aids-plwha
#14
Hsiang-Chun Wu, Po-Liang Lu, Wen-Chuan Lin, Chien-Tai Yu, Ming-Chu Feng
BACKGROUND: HIV has become a chronic disease. Therefore, the mental health and sleep quality of people living with HIV/AIDS (PLWHA) have become increasingly important issues of concern. PURPOSE: To explore the sleep quality, depression, anxiety, and self-esteem of PLWHA and the correlation between sleep quality and various related mental-health factors. METHODS: A cross-sectional, descriptive, correlational study was conducted at a medical center in southern Taiwan in 2013-2014...
December 2017: Hu Li za Zhi the Journal of Nursing
https://www.readbyqxmd.com/read/29164492/advanced-melanoma-current-treatment-options-biomarkers-and-future-perspectives
#15
REVIEW
Elisa A Rozeman, Tim J A Dekker, John B A G Haanen, Christian U Blank
Malignant melanoma accounts for the highest number of deaths from skin cancer, and the prognosis of patients with stage IV disease has historically been poor. Novel insights into both mutations driving tumorigenesis and immune escape mechanisms of these tumors have led to effective treatment options that have revolutionized the treatment of this disease. Targeting the MAPK kinase pathway (with BRAF and MEK inhibitors), as well as targeting checkpoints, such as cytotoxic T-lymphocyte associated protein 4 (CTLA-4) or programmed death 1 (PD-1), have improved overall survival in patients with late-stage melanoma, and biomarker research for personalized therapy is ongoing for each of these treatment modalities...
November 21, 2017: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/29164488/spontaneous-elimination-of-hepatitis-c-virus-infection
#16
Maciej Janiak, Kamila Caraballo Cortes, Urszula Demkow, Marek Radkowski
Hepatitis C virus (HCV) is the etiological agent of chronic hepatitis C and a major cause of liver cirrhosis and hepatocellular carcinoma. Only a minority of infected individuals can clear the virus spontaneously. The knowledge of the determinants of virus clearance would allow the development of effective methods preventing its further spread and optimizing treatment regimens. Viral factors associated with spontaneous virus clearance in the acute phase of infection, such as HCV genotype, virus heterogeneity, and the impact of viral proteins on the immune system have been characterized...
November 22, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29164473/clinicopathological-and-immunohistochemical-study-of-head-and-neck-langerhans-cell-histiocytosis-from-latin-america
#17
Natália Rocha Bedran, Román Carlos, Bruno Augusto Benevenuto de Andrade, Ana Paula Silva Bueno, Mário José Romañach, Cristiane Bedran Milito
Langerhans cell histiocytosis (LCH) is an inflammatory myeloid neoplastic proliferation with variable clinical behavior caused by the accumulation of CD1a(+)/CD207(+) histiocytes, associated with a variable number of eosinophils, lymphocytes, plasma cells and multinucleated giant cells, most commonly observed in male children. LCH is uncommon in the head and neck region, occurring as ulcerated and reddened plaques or nodules that cause destruction of adjacent soft tissues and bone. The exact etiology of LCH is still unknown and controversial, with possible etiologic role of viruses, including Epstein-Barr virus (EBV)...
November 21, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/29164156/disseminated-mycobacterium-avium-intracellulare-complex-infection-presenting-with-disseminated-intravascular-coagulation-in-an-aids-patient
#18
Folusakin Ayoade, James Cotelingam, Andrew Stevenson Joel Chandranesan
Disseminated Mycobacterium avium-intracellulare complex (MAC) infection is one of the relatively common opportunistic infections seen in severely immunocompromised AIDS patients. A constellation of clinical, laboratory, and pathological features involving multiple organ systems are often present in disseminated MAC infection but disseminated intravascular coagulation (DIC) has not been previously described in association with this condition. To our knowledge, this is the first reported case of DIC complicating disseminated MAC infection in an AIDS patient...
October 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/29164154/the-application-of-dextran-sedimentation-as-an-initial-step-in-neutrophil-purification-promotes-their-stimulation-due-to-the-presence-of-monocytes
#19
Alex Quach, Antonio Ferrante
The purification of human neutrophils for in vitro studies is challenging as they are easily activated through ex vivo manipulations. The technique of erythrocyte sedimentation combined with density gradient centrifugation remains widely practiced and was the subject of this study. Since in the sedimentation step the leukocytes are incubated with dextran, we have raised the likelihood that cellular activation would occur with mediator release leading to neutrophil activation. By comparing the activity of neutrophils purified from whole blood by the classical 2-step method of dextran sedimentation followed by low-density Ficoll-Hypaque (1...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/29163851/checkpoint-inhibitors-in-endometrial-cancer-preclinical-rationale-and-clinical-activity
#20
REVIEW
Gloria Mittica, Eleonora Ghisoni, Gaia Giannone, Massimo Aglietta, Sofia Genta, Giorgio Valabrega
Context: Treatment of advanced and recurrent endometrial cancer (EC) is still an unmet need for oncologists and gynecologic oncologists. The Cancer Genome Atlas Research Network (TCGA) recently provided a new genomic classification, dividing EC in four subgroups. Two types of EC, the polymerase epsilon (POLE)-ultra-mutated and the microsatellite instability-hyper-mutated (MSI-H), are characterized by a high mutation rate providing the rationale for a potential activity of checkpoint inhibitors...
October 27, 2017: Oncotarget
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