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https://www.readbyqxmd.com/read/28092890/cytokeratin-type-intermediate-filaments-in-a-gastric-myeloid-sarcoma-a-diagnostic-pitfall
#1
Annette Schmitt-Graeff, Reinhard Marks
No abstract text is available yet for this article.
July 21, 2016: Blood
https://www.readbyqxmd.com/read/28092887/acute-myeloid-leukemia-with-myelodysplasia-related-changes-demonstrating-prominent-basophilic-differentiation
#2
Mohammad Bahmanyar, Hong Chang
No abstract text is available yet for this article.
May 19, 2016: Blood
https://www.readbyqxmd.com/read/28092885/plasma-cell-leukemia-mimicking-acute-myeloid-leukemia
#3
Erika M Moore, Christine G Roth
No abstract text is available yet for this article.
May 12, 2016: Blood
https://www.readbyqxmd.com/read/28092879/acute-myeloid-leukemia-with-erythrophagocytosis-indicative-of-kat6a-rearrangement
#4
Audrey Montewis, Marion Eveillard
No abstract text is available yet for this article.
July 14, 2016: Blood
https://www.readbyqxmd.com/read/28092866/transmembrane-tumor-necrosis-factor-%C3%AE-promotes-the-recruitment-of-mdscs-to-tumor-tissue-by-upregulating-cxcr4-expression-via-tnfr2
#5
Hongping Ba, Baihua Li, Xiaoyan Li, Cheng Li, Anlin Feng, Yazhen Zhu, Jing Wang, Zhuoya Li, Bingjiao Yin
Myeloid-derived suppressor cells (MDSCs) accumulated in tumor sites promote immune evasion. We found that TNFR deficiency-induced rejection of transplanted tumor was accompanied with markedly decreased accumulation of MDSCs. However, the mechanism(s) behind this phenomenon is not completely understood. Here, we demonstrated that TNFR deficiency did not affect the amount of MDSCs in bone marrow (BM), but decreased accumulation of Gr-1(+)CD11b(+) MDSCs in the spleen and tumor tissues. The chemotaxis of Tnfr(-/-) MDSCs was prominently decreased in response to both tumor cell culture supernatants and tumor tissue homogenates from Tnfr(-/-) and wild-type mice, indicating an effect of TNFR signaling on chemokine receptor expression in MDSCs...
January 13, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28092764/common-deregulated-gene-expression-profiles-and-morphological-changes-in-developing-zebrafish-larvae-exposed-to-environmental-relevant-high-to-low-concentrations-of-glucocorticoids
#6
Qiyu Chen, Caixia Li, Zhiyuan Gong, Eric Chun Yong Chan, Shane A Snyder, Siew Hong Lam
Synthetic glucocorticoids have been detected in environmental waters and their biological potency have raised concerns of their impact on aquatic vertebrates especially fish. In this study, developing zebrafish larvae exposed to representative glucocorticoids (dexamethasone, prednisolone and triamcinolone) at 50 pM to 50 nM from 3 h post-fertilisation to 5 days post-fertilisation were investigated. Microarray analysis identified 1255, 1531, and 2380 gene probes, which correspondingly mapped to 660, 882 and 1238 human/rodent homologs, as deregulated by dexamethasone, prednisolone and triamcinolone, respectively...
January 6, 2017: Chemosphere
https://www.readbyqxmd.com/read/28092685/precision-oncology-for-acute-myeloid-leukemia-using-a-knowledge-bank-approach
#7
Moritz Gerstung, Elli Papaemmanuil, Inigo Martincorena, Lars Bullinger, Verena I Gaidzik, Peter Paschka, Michael Heuser, Felicitas Thol, Niccolo Bolli, Peter Ganly, Arnold Ganser, Ultan McDermott, Konstanze Döhner, Richard F Schlenk, Hartmut Döhner, Peter J Campbell
Underpinning the vision of precision medicine is the concept that causative mutations in a patient's cancer drive its biology and, by extension, its clinical features and treatment response. However, considerable between-patient heterogeneity in driver mutations complicates evidence-based personalization of cancer care. Here, by reanalyzing data from 1,540 patients with acute myeloid leukemia (AML), we explore how large knowledge banks of matched genomic-clinical data can support clinical decision-making. Inclusive, multistage statistical models accurately predicted likelihoods of remission, relapse and mortality, which were validated using data from independent patients in The Cancer Genome Atlas...
January 16, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28092673/irf7-regulates-the-development-of-granulocytic-myeloid-derived-suppressor-cells-through-s100a9-transrepression-in-cancer
#8
Q Yang, X Li, H Chen, Y Cao, Q Xiao, Y He, J Wei, J Zhou
Accumulation of myeloid-derived suppressor cells (MDSCs) is one of the major obstacles against achieving appropriate anti-tumor immune responses and successful tumor immunotherapy. Granulocytic MDSCs (G-MDSCs) are common in tumor-bearing hosts. However, the mechanisms regulating the development of MDSCs, especially G-MDSCs, remain poorly understood. In this report, we showed that interferon regulatory factor 7 (IRF7) plays an important role in the development of G-MDSCs, but not monocytic MDSCs. IRF7 deficiency caused significant elevation of G-MDSCs, and therefore enhanced tumor growth and metastasis in mice...
January 16, 2017: Oncogene
https://www.readbyqxmd.com/read/28092660/the-role-of-peripheral-immune-cells-in-the-cns-in-steady-state-and-disease
#9
REVIEW
Marco Prinz, Josef Priller
The CNS is protected by the immune system, including cells that reside directly within the CNS and help to ensure proper neural function, as well as cells that traffic into the CNS with disease. The CNS-resident immune system is comprised mainly of innate immune cells and operates under homeostatic conditions. These myeloid cells in the CNS parenchyma and at CNS-periphery interfaces are highly specialized but also extremely plastic cells that immediately react to any changes in CNS homeostasis and become reactive in the context of neurodegenerative disorders such as Alzheimer's disease or Parkinson's disease...
January 16, 2017: Nature Neuroscience
https://www.readbyqxmd.com/read/28092373/chronic-signaling-via-the-metabolic-checkpoint-kinase-mtorc1-induces-macrophage-granuloma-formation-and-marks-sarcoidosis-progression
#10
Monika Linke, Ha Thi Thanh Pham, Karl Katholnig, Thomas Schnöller, Anne Miller, Florian Demel, Birgit Schütz, Margit Rosner, Boris Kovacic, Nyamdelger Sukhbaatar, Birgit Niederreiter, Stephan Blüml, Peter Kuess, Veronika Sexl, Mathias Müller, Mario Mikula, Wolfram Weckwerth, Arvand Haschemi, Martin Susani, Markus Hengstschläger, Michael J Gambello, Thomas Weichhart
The aggregation of hypertrophic macrophages constitutes the basis of all granulomatous diseases, such as tuberculosis or sarcoidosis, and is decisive for disease pathogenesis. However, macrophage-intrinsic pathways driving granuloma initiation and maintenance remain elusive. We found that activation of the metabolic checkpoint kinase mTORC1 in macrophages by deletion of the gene encoding tuberous sclerosis 2 (Tsc2) was sufficient to induce hypertrophy and proliferation, resulting in excessive granuloma formation in vivo...
January 16, 2017: Nature Immunology
https://www.readbyqxmd.com/read/28091516/osteopontin-regulates-macrophage-activation-and-osteoclast-formation-in-hypertensive-patients-with-vascular-calcification
#11
Qian Ge, Cheng-Chao Ruan, Yu Ma, Xiao-Feng Tang, Qi-Hong Wu, Ji-Guang Wang, Ding-Liang Zhu, Ping-Jin Gao
Vascular calcification (VC) is a highly regulated ectopic mineral deposition process involving immune cell infiltration in the vasculatures, which has been recognized to be promoted by hypertension. The matricellular glycoprotein osteopontin (OPN) is strongly induced in myeloid cells as a potential inflammatory mediator of vascular injury. This study aims to examine whether OPN is involved in the regulation of macrophage activation and osteoclast formation in hypertensive subjects with VC. We firstly found an increased proportion of CD11c+CD163- pro-inflammatory peripheral monocytes in hypertensive subjects with VC compared to those without VC by flow cytometric analysis...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28091414/acute-myeloid-leukemia-advancements-in-diagnosis-and-treatment
#12
REVIEW
Meng-Ge Yu, Hu-Yong Zheng
OBJECTIVE: Leukemia is the most common pediatric malignancy and a major cause of morbidity and mortality in children. Among all subtypes, a lack of consensus exists regarding the diagnosis and treatment of acute myeloid leukemia (AML). Patient survival rates have remained modest for the past three decades in AML. Recently, targeted therapy has emerged as a promising treatment. DATA SOURCES: We searched the PubMed database for recently published research papers on diagnostic development, target therapy, and other novel therapies of AML...
2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28090699/modelling-irf8-deficient-human-hematopoiesis-and-dendritic-cell-development-with-engineered-ips-cells
#13
Stephanie Sontag, Malrun Förster, Jie Qin, Paul Wanek, Saskia Mitzka, Herdit M Schüler, Steffen Koschmieder, Stefan Rose-John, Kristin Seré, Martin Zenke
Human induced pluripotent stem (iPS) cells can differentiate into cells of all three germ layers, including hematopoietic stem cells and their progeny. Interferon regulatory factor 8 (IRF8) is a transcription factor, which acts in hematopoiesis as lineage determining factor for myeloid cells, including dendritic cells (DC). Autosomal recessive or dominant IRF8 mutations occurring in patients cause severe monocytic and DC immunodeficiency. To study IRF8 in human hematopoiesis we generated human IRF8-/- iPS cells and IRF8-/- embryonic stem (ES) cells using RNA guided CRISPR/Cas9n genome editing...
January 16, 2017: Stem Cells
https://www.readbyqxmd.com/read/28090492/the-first-case-of-acute-myeloid-leukemia-with-solitary-t-6-7-p21-3-p22-passenger-translocation-that-developed-at-relapse-after-allogeneic-hematopoietic-stem-cell-transplantation-in-a-patient-with-a-normal-karyotype-at-the-initial-diagnosis
#14
https://www.readbyqxmd.com/read/28090486/therapy-related-myeloid-neoplasms-in-children-and-adolescents
#15
Hee Won Cho, Young Bae Choi, Eun Sang Yi, Ji Won Lee, Ki Woong Sung, Hong Hoe Koo, Keon Hee Yoo
BACKGROUND: This retrospective study aimed to characterize and analyze the outcome of therapy-related myeloid neoplasms (t-MNs) in children and adolescents. METHODS: The medical records of 16 patients under 21 years of age at the time of t-MN diagnosis were reviewed. RESULTS: The median patient age was 11.5 years (range, 1.6-20.4 yr). Twelve patients had therapy-related acute myeloid leukemia, 3 patients had myelodysplastic syndrome, and 1 patient had chronic myelomonocytic leukemia...
December 2016: Blood Research
https://www.readbyqxmd.com/read/28090485/mixed-phenotype-acute-leukemia-suboptimal-treatment-when-the-2008-2016-who-classification-is-used
#16
Alan Pomerantz, Sergio Rodriguez-Rodriguez, Roberta Demichelis-Gomez, Georgina Barrera-Lumbreras, Olga Barrales-Benitez, Xavier Lopez-Karpovitch, Alvaro Aguayo-Gonzalez
BACKGROUND: Different criteria have been used to diagnose mixed-phenotype acute leukemia (MPAL), which has impacted the number of individuals diagnosed with this pathology. Better outcomes have been reported when using acute lymphoblastic leukemia (ALL)-type chemotherapy in the treatment of MPAL. METHODS: We compared the outcome of 4 groups of patients with MPAL. Group 1 included patients diagnosed using the 2008/2016 World Health Organization (WHO) classification; group 2 included patients diagnosed using the European Group for the Immunological Characterization of Leukemias (EGIL) criteria; group 3 included patients diagnosed using either the EGIL or the 2008/2016 WHO criteria; and group 4 was comprised of patients diagnosed with MPAL using the EGIL classification only...
December 2016: Blood Research
https://www.readbyqxmd.com/read/28090484/mesenchymal-stromal-cells-in-myeloid-malignancies
#17
REVIEW
Thomas Schroeder, Stefanie Geyh, Ulrich Germing, Rainer Haas
Myelodysplastic syndromes (MDS) and acute myeloid leukemia (AML) are clonal myeloid disorders characterized by hematopoietic insufficiency. As MDS and AML are considered to originate from genetic and molecular defects of hematopoietic stem and progenitor cells (HSPC), the main focus of research in this field has focused on the characterization of these cells. Recently, the contribution of BM microenvironment to the pathogenesis of myeloid malignancies, in particular MDS and AML has gained more interest. This is based on a better understanding of its physiological role in the regulation of hematopoiesis...
December 2016: Blood Research
https://www.readbyqxmd.com/read/28090366/bosutinib-therapy-in-patients-with-chronic-myeloid-leukemia-practical-considerations-for-management-of-side-effects
#18
REVIEW
Patricia S Ault, John Rose PharmD, Lisa A Nodzon PhD, Elizabeth S Kaled
The past decade has witnessed great advances in the treatment of chronic myeloid leukemia (CML), brought about in large part by the development of BCR-ABL tyrosine kinase inhibitors (TKIs). Bosutinib joins the armamentarium of approved TKIs for the treatment of chronic phase (CP), accelerated phase (AP), and blast phase (BP) Philadelphia chromosome (Ph)-positive CML resistant to or intolerant of prior therapy. Bosutinib has an adverse-event (AE) profile distinct from that of other TKIs. Diarrhea is the predominant toxicity associated with bosutinib treatment; other commonly reported nonhematologic AEs include rash and liver enzyme elevations...
March 2016: Journal of the Advanced Practitioner in Oncology
https://www.readbyqxmd.com/read/28090321/gm-csf-signalling-blockade-and-chemotherapeutic-agents-act-in-concert-to-inhibit-the-function-of-myeloid-derived-suppressor-cells-in-vitro
#19
Tessa Gargett, Susan N Christo, Timothy R Hercus, Nazim Abbas, Nimit Singhal, Angel F Lopez, Michael P Brown
Immune evasion is a recently defined hallmark of cancer, and immunotherapeutic approaches that stimulate an immune response to tumours are gaining recognition. However tumours may evade the immune response and resist immune-targeted treatment by promoting an immune-suppressive environment and stimulating the differentiation or recruitment of immunosuppressive cells. Myeloid-derived suppressor cells (MDSC) have been identified in a range of cancers and are often associated with tumour progression and poor patient outcomes...
December 2016: Clinical & Translational Immunology
https://www.readbyqxmd.com/read/28090317/all-trans-retinoic-acid-enhances-cytotoxic-effect-of-t-cells-with-an-anti-cd38-chimeric-antigen-receptor-in-acute-myeloid-leukemia
#20
Tetsumi Yoshida, Keichiro Mihara, Yoshifumi Takei, Kazuyoshi Yanagihara, Takanori Kubo, Joyeeta Bhattacharyya, Chihaya Imai, Tatsuji Mino, Yoshihiro Takihara, Tatsuo Ichinohe
We reported that T cells with anti-CD38-chimeric antigen receptors (CAR) eliminated B-cell lymphoma cells expressing CD38. To employ anti-CD38-CAR against acute myeloid leukemia (AML) blasts not expressing CD38, it is necessary to induce or increase the intensity of CD38 expression. A lactate dehydrogenase (LDH)-releasing assay and flow cytometry showed that anti-CD38-CAR T cells were cytotoxic against AML lines (THP-1 and CMK) expressing high CD38 levels (>99%), in time- and number of effector-dependent manners...
December 2016: Clinical & Translational Immunology
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