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https://www.readbyqxmd.com/read/29147607/immune-signature-profiling-identified-predictive-and-prognostic-factors-for-esophageal-squamous-cell-carcinoma
#1
Yuan Li, Zhiliang Lu, Yun Che, Jingnan Wang, Shouguo Sun, Jianbing Huang, Shuangshuang Mao, Yuanyuan Lei, Zhaoli Chen, Jie He
Understanding interactions between tumor and the host immune system holds great promise to uncover biomarkers for targeted therapies and clinical outcomes. However, systematical analysis of immune signatures in esophageal squamous cell carcinoma (ESCC) remains largely unstudied. In this study, immune signatures containing 708 immune related genes were curated from mRNA microarray data with tumor and paired normal tissues from 119 ESCC patients. Differential expression and survival analysis were performed with validations from Human Protein Atlas and an independent cohort of 110 ESCC patients by immunohistochemistry staining...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/29141817/lymphocytes-in-the-treatment-with-interferon-beta-1-b
#2
Zbyšek Pavelek, Oldřich Vyšata, Blanka Klímová, Ctirad Andrýs, Doris Vokurková, Martin Vališ
BACKGROUND: Multiple sclerosis (MS) is a chronic inflammatory demyelinating and neurodegenerative disease affecting the central nervous system. One of the basic medications for the treatment of a clinically isolated syndrome (CIS) or relapsing-remitting MS is interferon beta (INFβ). Although the exact mechanism of its effects is unknown, the medication has an anti-inflammatory and immunomodulatory effect. The goal of this study was to determine the characters which are affected in patients treated with INFβ...
November 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/29138503/dihydrotestosterone-levels-at-birth-associate-positively-with-higher-proportions-of-circulating-immature-na%C3%A3-ve-cd5-b-cells-in-boys
#3
Anna-Carin Lundell, Inger Nordström, Kerstin Andersson, Anna Strömbeck, Claes Ohlsson, Åsa Tivesten, Anna Rudin
Boys present with higher proportions of immature/naïve CD5(+) B cells than girls up to 3 years of age. Boys also have higher fractions of regulatory T cells (Tregs) in early infancy, but the mechanisms for these sex-related differences are unknown. In the prospective FARMFLORA follow-up study of 23 boys and 25 girls, we investigated if these immunological differences remained at 8 years of age. We also examined if testosterone or dihydrotestosterone (DHT) levels at birth and at 8 years of age were associated with immune maturation...
November 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29129787/cd38-nad-axis-regulates-immunotherapeutic-anti-tumor-t-cell-response
#4
Shilpak Chatterjee, Anusara Daenthanasanmak, Paramita Chakraborty, Megan W Wyatt, Payal Dhar, Shanmugam Paneer Selvam, Jianing Fu, Jinyu Zhang, Hung Nguyen, Inhong Kang, Kyle Toth, Mazen Al-Homrani, Mahvash Husain, Gyda Beeson, Lauren Ball, Kristi Helke, Shahid Husain, Elizabeth Garrett-Mayer, Gary Hardiman, Meenal Mehrotra, Michael I Nishimura, Craig C Beeson, Melanie Gubbels Bupp, Jennifer Wu, Besim Ogretmen, Chrystal M Paulos, Jeffery Rathmell, Xue-Zhong Yu, Shikhar Mehrotra
Heightened effector function and prolonged persistence, the key attributes of Th1 and Th17 cells, respectively, are key features of potent anti-tumor T cells. Here, we established ex vivo culture conditions to generate hybrid Th1/17 cells, which persisted long-term in vivo while maintaining their effector function. Using transcriptomics and metabolic profiling approaches, we showed that the enhanced anti-tumor property of Th1/17 cells was dependent on the increased NAD(+)-dependent activity of the histone deacetylase Sirt1...
November 8, 2017: Cell Metabolism
https://www.readbyqxmd.com/read/29127588/daratumumab-a-review-in-relapsed-and-or-refractory-multiple-myeloma
#5
Hannah A Blair
Intravenous daratumumab (DARZALEX(®)) is a first-in-class human IgG1κ monoclonal antibody against CD38 available for use in patients with relapsed and/or refractory multiple myeloma. In phase I/II and II trials and a pooled analysis of these studies, daratumumab monotherapy induced an overall response (partial response or better) in approximately one-third of patients; responses were rapid, deep and durable. An overall survival (OS) benefit was seen with daratumumab monotherapy, including in patients with a minimal response or stable disease...
November 10, 2017: Drugs
https://www.readbyqxmd.com/read/29118010/cd38-antibodies-in-multiple-myeloma-back-to-the-future
#6
Niels W C J van de Donk, Paul G Richardson, Fabio Malavasi
CD38 is highly and uniformly expressed on MM cells, and at relatively low levels on normal lymphoid and myeloid cells, and in some tissues of non-hematopoietic origin. CD38 is a transmembrane glycoprotein with ectoenzymatic activity, and also functions as receptor and adhesion molecule. Altogether, this has triggered the development of several CD38 antibodies including daratumumab (fully human), isatuximab (chimeric), and MOR202 (fully human). CD38 antibodies have pleiotropic mechanisms of action including Fc-dependent immune effector mechanisms, direct apoptotic activity, and immunomodulatory effects by the elimination of CD38-positive immunesuppressor cells...
November 8, 2017: Blood
https://www.readbyqxmd.com/read/29115891/the-mutational-landscape-of-small-lymphocytic-lymphoma-compared-to-non-early-stage-chronic-lymphocytic-leukemia
#7
Alejandra Martínez-Trillos, Magda Pinyol, Julio Delgado, Marta Aymerich, Maria Rozman, Tycho Baumann, Marcos González-Díaz, Jesus M Hernández, Miguel Alcoceba, Anna Muntañola, Maria José Terol, Blanca Navarro, Eva Giné, Pedro Jares, Sílvia Beà, Alba Navarro, Dolors Colomer, Ferran Nadeu, Enrique Colado, Angel R Payer, Tomás García-Cerecedo, Xosé S Puente, Carlos López-Otin, Elias Campo, Armando López-Guillermo, Neus Villamor
Small lymphocytic lymphoma (SLL) is considered as the non-leukemic form of presentation of chronic lymphocytic leukemia (CLL). We have compared the features, genomic alterations, and outcome of 890 patients with CLL and SLL. One hundred and thirteen patients presented as SLL and more frequently had unmutated-IGHV, CD38(high), ZAP-70(high), CD49d(high), +12, alterations in genes of NOTCH1, cell cycle, RNA metabolism, and NFkB pathways than CLL. During the follow-up, 46% of SLL patients developed CLL. Time to first treatment (TTFT) was shorter in SLL (10-year: 75% vs 62%; p = ...
November 8, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/29108272/up-regulated-expression-of-oxytocin-mrna-in-peripheral-blood-lymphocytes-from-first-episode-schizophrenia-patients
#8
Xiudeng Yang, Yamei Tang, Qinling Wei, Bing Lang, Huai Tao, Xianghui Zhang, Yong Liu, Aiguo Tang
Schizophrenia (SZ) is a severe neuropsychiatric disorder with significant social cognition impairment. Increasing evidence has suggested that neuropeptides oxytocin (OXT) and arginine vasopressin (AVP) are important mediators of complex social cognition and behavior associates with SZ. In the present study, forty-three first-episode schizophrenia (FES) patients and forty-seven healthy controls (HC) were included. The peripheral mRNA expression of OXT, OXT receptor (OXTR), AVP, AVP 1a receptor (AVPR1a) and CD38 was determined by real-time quantitative polymerase chain reaction (RT-qPCR)...
October 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29104540/oral-supplementation-with-baker-s-yeast-beta-glucan-is-associated-with-altered-monocytes-t-cells-and-cytokines-following-a-bout-of-strenuous-exercise
#9
Brian K McFarlin, Adam S Venable, Katie C Carpenter, Andrea L Henning, Stephan Ogenstad
Exercise and physical labor in extreme environmental conditions causes transient decreases in immune cell and cytokine concentrations, likely increasing the susceptibility to opportunistic infection. Baker's yeast beta glucan (BYBG) has been previously demonstrated to be an effective countermeasure in athletes, but its effectiveness in individuals of average fitness under similar physical stress is unknown. The purpose of this study was to determine if 10 days of oral supplementation with BYBG could modify previously observed suppression of monocytes, T cells, circulating and whole blood LPS-stimulated cytokines due to strenuous exercise...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29099494/prognostic-value-of-antigen-expression-in-multiple-myeloma-a-pethema-gem-study-on-1-265-patients-enrolled-in-four-consecutive-clinical-trials
#10
P Arana, B Paiva, M-T Cedena, N Puig, L Cordon, M-B Vidriales, N C Gutierrez, F Chiodi, L Burgos, L-L Anglada, J Martinez-Lopez, M-T Hernandez, A-I Teruel, M Gironella, M-A Echeveste, L Rosiñol, R Martinez, A Oriol, J De la Rubia, A Orfao, J Blade, J-J Lahuerta, M-V Mateos, J F S Miguel
Persistence of minimal residual disease (MRD) after treatment for myeloma predicts inferior outcomes, but within MRD-positive patients there is great heterogeneity with both early and very late relapses. Amongst different MRD techniques, flow cytometry provides additional information about antigen expression on tumor cells, which could potentially contribute to stratify MRD-positive patients. We investigated the prognostic value of those antigens required to monitor MRD in 1265 newly-diagnosed patients enrolled in the GEM2000, GEM2005MENOS65, GEM2005MAS65 and GEM2010MAS65 protocols...
November 3, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/29095954/pyrazinamide-clearance-is-impaired-among-hiv-tuberculosis-patients-with-high-levels-of-systemic-immune-activation
#11
Christopher Vinnard, Shruthi Ravimohan, Neo Tamuhla, Jotam Pasipanodya, Shashikant Srivastava, Chawangwa Modongo, Nicola M Zetola, Drew Weissman, Tawanda Gumbo, Gregory P Bisson
Pyrazinamide is the main driver of sterilizing effect in the standard regimen in adults and older children, and this effect is concentration-dependent. Tuberculosis patients co-infected with human immunodeficiency virus (HIV) have an increased risk for poor tuberculosis treatment outcomes and adverse drug events. We sought to determine whether measures of systemic immune activation were related to pyrazinamide pharmacokinetics among HIV/tuberculosis patients. We conducted a prospective cohort study of pyrazinamide pharmacokinetics in HIV/tuberculosis patients in Gaborone, Botswana...
2017: PloS One
https://www.readbyqxmd.com/read/29091884/advances-in-chronic-lymphocytic-leukemia-pharmacotherapy
#12
REVIEW
Lorena Caixeta Gomes, Aline Lúcia Menezes Ferrão, Fernanda Cristina Gontijo Evangelista, Tâmara Dauare de Almeida, Rayson Carvalho Barbosa, Maria das Graças Carvalho, Adriano de Paula Sabino
Chronic lymphocytic leukemia (CLL) is a lymphoproliferative disease that affects B lymphocytes in most cases. Leukemic lymphocytes have prolonged longevity, defined by resistance to apoptosis. These cells can accumulate in peripheral blood, bone marrow, and solid lymphoid organs. CLL may be indolent or aggressive and has a range of prognostic factors such as expression of CD38 and ZAP-70, immunophenotypic and cytogenetic changes, imbalanced apoptosis proteins, and others. Although CLL has a low mortality rate, this disease is generally not considered curable until today...
October 26, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29089645/identification-and-characterization-of-hla-a24-specific-xbp1-cd138-syndecan-1-and-cs1-slamf7-peptides-inducing-antigens-specific-memory-cytotoxic-t-lymphocytes-targeting-multiple-myeloma
#13
J Bae, T Hideshima, G L Zhang, J Zhou, D B Keskin, N C Munshi, K C Anderson
XBP1 (X-box binding protein 1), CD138 (Syndecan-1), and CS1 (SLAMF7) are highly expressed antigens in cancers including multiple myeloma (MM). Here we identify and characterize immunogenic HLA-A24 peptides derived from these antigens for potential vaccination therapy of HLA-A24+ patients with MM. The identified immunogenic HLA-A24-specific XBP1 unspliced (UN)185-193 (I S P W I L A V L), XBP1 spliced (SP)223-231 (V Y P E G P S S L), CD138265-273 (I F A V C L V G F) and CS1240-248 (L F V L G L F L W) peptides induced antigen-specific CTL with anti-MM activity in an HLA-A24 restricted manner...
November 1, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/29080804/blockade-of-cd38-diminishes-lipopolysaccharide-induced-macrophage-classical-activation-and-acute-kidney-injury-involving-nf-%C3%AE%C2%BAb-signaling-suppression
#14
Bingyan Shu, Ye Feng, Yuan Gui, Qingmiao Lu, Wei Wei, Xian Xue, Xiaoli Sun, Weichun He, Junwei Yang, Chunsun Dai
The CD38, possessing ADP-ribosyl cyclase (ADPR-cyclase) and cyclic ADP-ribose hydrolase (cADPR-hydrolase), is able to regulate a variety of cellular activities. However, the role and mechanisms for CD38 in macrophage activation and sepsis-induced acute kidney injury (AKI) remain to be determined. Here we report that in cultured macrophages, Lipopolysaccharide (LPS) could upregulate CD38 expression in time and dose dependent manner. Knocking down or blockade of CD38 in macrophages could inhibit LPS-induced macrophage M1 polarization accompanied by diminished NF-κB signaling activation...
November 11, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/29079307/circulating-t-cell-subsets-monocytes-and-natural-killer-cells-in-peripartum-cardiomyopathy-results-from-the-multicenter-ipac-study
#15
Charles F McTiernan, Penelope Morel, Leslie T Cooper, Navin Rajagopalan, Vinay Thohan, Mark Zucker, John Boehmer, Biykem Bozkurt, Paul Mather, John Thornton, Jalal K Ghali, Karen Hanley-Yanez, James Fett, Indrani Halder, Dennis M McNamara
OBJECTIVE: Evaluate the hypothesis that the distribution of circulating immune cell subsets, or their activation state, is significantly different between PPCM and healthy postpartum (HP) women. BACKGROUND: Peripartum cardiomyopathy (PPCM) is a major cause of maternal morbidity and mortality and an immune-mediated etiology has been hypothesized. Cellular immunity, altered in pregnancy and the peripartum period, has been proposed to play a role in PPCM pathogenesis...
October 24, 2017: Journal of Cardiac Failure
https://www.readbyqxmd.com/read/29079129/double-cd38-cd138-negative-multiple-myeloma
#16
Vitaliy Mykytiv, Abrar Alwaheed, Nurul Asyikin Mohd Hashim
The standard diagnosis of multiple myeloma by flow cytometry is based on selection of population of CD38(+)/CD138(+) positives cells. As the result treatment with proteasome inhibitors, CD138 may be underexpressed on atypical plasma cells. Thus, in order to improve this strategy, recently new CD138-independent method, based on CD38 positivity of plasma cells was developed. We present an unusual case of CD138(-) negative multiple myeloma which had become double CD138(-)/CD38(-) negative after treatment with daratumumab by which we would like to illustrate potential pitfalls of both strategies...
October 18, 2017: Hematology/oncology and Stem Cell Therapy
https://www.readbyqxmd.com/read/29075057/evaluation-of-interleukin-9-expression-as-a-potential-therapeutic-target-in-chronic-lymphocytic-leukemia-in-a-cohort-of-egyptian-patients
#17
Hadeer A Abbassy, Reham A Aboelwafa, Omar M Ghallab
Chronic lymphocytic leukemia (CLL) is a common lymphoid malignancy that has a highly variable clinical course. Genomic features as zeta-chain-associated protein kinase 70 (ZAP70) expression and CD38 expression provide further differentiation of disease prognosis. Extensive studies have confirmed the oncogenic activities of IL-9 in lymphoma. The aim of the current study was to investigate the contribution of IL-9 expression to the pathogenesis of CLL and its correlation to other prognostic parameters. This study was conducted on 80 patients at diagnosis with CLL and 80 healthy controls...
December 2017: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/29072325/patients-with-primary-sj%C3%A3-gren-s-syndrome-have-alterations-in-absolute-quantities-of-specific-peripheral-leukocyte-populations
#18
Richard Davies, Daniel Hammenfors, Brith Bergum, Kjerstin Jakobsen, Magne Solheim, Petra Vogelsang, Johan G Brun, Yenan Bryceson, Roland Jonsson, Silke Appel
An accurate dissection of peripheral blood enumeration is lacking in primary Sjögren's syndrome. The purpose of this study was to quantify different leukocyte populations in peripheral blood of patients with pSS. Numbers of specific leukocyte subsets were determined in 86 pSS patients and 74 healthy donors quantifying 21 distinct subtypes by flow cytometry. Subgroups of pSS patients were stratified based on presence of extraglandular manifestations (EGM) and SSA/SSB autoantibodies. Overall, pSS patients manifested decreased lymphocyte subpopulations compared to healthy donors...
October 26, 2017: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/29070123/-effect-of-b-lymphocyte-induced-mature-protein-1-expression-in-bone-marrow-mononuclear-cells-on-prognosis-of-patients-with-multiple-myeloma
#19
Guo-Sheng Liu, Jiao-Ping Wang, Zhi-Hua Chu, Ying-Ying Yu, Wei Zhou
OBJECTIVE: To study the effect of B lymphocyte-induced mature protein-1(Blimp1) expression in bone marrow mononuclear cells on the prognosis of patients with multiple myeloma. METHODS: Forty-eight patients with multiple myeloma from January 2014 to January 2015 were selected. The expression of Blimp1 in the bone marrow of all the patients was measured. According to the median score of Blimp1 expression level, the patients was divided into low expression group (L group, 22 cases) and high expression group (H group, 26 cases)...
October 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/29070097/-in-vitro-identification-and-characteristics-of-cd34-leukemia-stem-cell-in-t-8-21-acute-myeloid-leukemia
#20
Yan-Huan Zhang, Lu Yang, Ya-Zhe Wang, Yuan Kong, Hong-Hu Zhu, Ya-Zhen Qin
OBJECTIVE: To preliminarily identify the existence of CD34(-) leukemia stem cell (LSC) in t(8;21) acute myeloid leukemia (AML) by in vitro test. METHODS: Bone marrow samples collected from newly diagnosed t(8;21) AML patients were tested. Lin(-)CD34(+) CD38(-)(abbreviation, CD34(+)CD38(-)), Lin(-)CD34(+)CD38(+) (abbreviation, CD34(+)CD38(+)) and Lin(-)CD34(-)CD38(-)CD45(dim)SSC(low)(abbreviation, CD34(-)"LSC") cell fractions were gated by flow cytometry after staining with fluorescent antibodies...
October 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
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