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Monocyte/macrophage cell therapy

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https://www.readbyqxmd.com/read/28224619/fl-asparaginase-mediated-downregulation-of-c-myc-promotes-1-25-oh-2-d3-induced-myeloid-differentiation-in-acute-myeloid-leukemia-cells
#1
Ju Han Song, Eunchong Park, Myun Soo Kim, Kyung-Min Cho, Su-Ho Park, Arim Lee, Jiseon Song, Hyeoung-Joon Kim, Jeong-Tae Koh, Tae Sung Kim
Treatment of acute myeloid leukemia (AML) largely depends on chemotherapy, but current regimens have been unsatisfactory for long-term remission. Although differentiation induction therapy utilizing 1,25(OH)2 D3 (VD3) has shown great promise for the improvement of AML treatment efficacy, severe side effects caused by its supraphysiological dose limit its clinical application. Here we investigated the combinatorial effect of l-asparaginase (ASNase)-mediated amino acid depletion and the latent alternation of VD3 activity on the induction of myeloid differentiation...
February 22, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28217966/pathogenesis-of-diffuse-alveolar-hemorrhage-in-murine-lupus
#2
Haoyang Zhuang, Shuhong Han, Pui Y Lee, Ravil Khaybullin, Stepan Shumyak, Li Lu, Amina Chatha, Anan Afaneh, Yuan Zhang, Chao Xie, Dina Nacionales, Lyle Moldawer, Xin Qi, Li-Jun Yang, Westley H Reeves
OBJECTIVE: Diffuse alveolar hemorrhage (DAH) in lupus patients is >50% fatal. The cause is unknown. The pathogenesis of DAH in C57BL/6 mice with pristane-induced lupus, a model of human lupus-associated DAH, was examined. METHODS: Clinical/pathological and immunological manifestations DAH in pristane-lupus were compared with human DAH. Tissue distribution of pristane was examined by mass spectrometry. Cell types responsible for disease were determined by in vivo depletion using clodronate liposomes (CloLip) and anti-neutrophil monoclonal antibodies (GR1)...
February 19, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28216261/modulating-the-function-of-the-immune-system-by-thyroid-hormones-and-thyrotropin
#3
REVIEW
Evelyn L Jara, Natalia Muñoz-Durango, Carolina Llanos, Carlos Fardella, Pablo A González, Susan M Bueno, Alexis M Kalergis, Claudia A Riedel
Accumulating evidence suggests a close bidirectional communication and regulation between the neuroendocrine and immune systems. Thyroid hormones (THs) can exert responses in various immune cells, e.g., monocytes, macrophages, natural killer cells, and lymphocytes, affecting several inflammation-related processes (such as, chemotaxis, phagocytosis, reactive oxygen species generation, and cytokines production). The interactions between the endocrine and immune systems have been shown to contribute to pathophysiological conditions, including sepsis, inflammation, autoimmune diseases and viral infections...
February 16, 2017: Immunology Letters
https://www.readbyqxmd.com/read/28182687/lunasin-attenuates-obesity-related-inflammation-in-raw264-7-cells-and-3t3-l1-adipocytes-by-inhibiting-inflammatory-cytokine-production
#4
Chia-Chien Hsieh, Mei-Jia Chou, Chih-Hsuan Wang
Obesity has become a major threat to public health and is accompanied by chronic low-grade inflammation, which leads to various pathological developments. Lunasin, a natural seed peptide, exhibits several biological activities, such as anti-carcinogenesis, anti-inflammatory, and antioxidant activities. However, the mechanism of action of lunasin in obesity-related inflammation has not been investigated. The aim of this study was to explore whether lunasin could reduce the inflammation induced by obesity-related mediators in RAW264...
2017: PloS One
https://www.readbyqxmd.com/read/28181540/hiv-related-proteins-prolong-macrophage-survival-through-induction-of-triggering-receptor-expressed-on-myeloid-cells-1
#5
Zhihong Yuan, Xian Fan, Bashar Staitieh, Chetna Bedi, Paul Spearman, David M Guidot, Ruxana T Sadikot
Triggering receptor expressed on myeloid cells-1(TREM-1) is a member of the superimmunoglobulin receptor family. We have previously shown that TREM-1 prolongs survival of macrophages treated with lipoolysaccharide through Egr2-Bcl2 signaling. Recent studies suggest a role for TREM-1 in viral immunity. Human immunodeficiency virus-1 (HIV) targets the monocyte/macrophage lineage at varying stages of infection. Emerging data suggest that macrophages are key reservoirs for latent HIV even in individuals on antiretroviral therapy...
February 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28173864/macrophage-activation-and-polarization-in-post-infarction-cardiac-remodeling
#6
REVIEW
Aleksandra Gombozhapova, Yuliya Rogovskaya, Vladimir Shurupov, Mariya Rebenkova, Julia Kzhyshkowska, Sergey V Popov, Rostislav S Karpov, Vyacheslav Ryabov
Adverse cardiac remodeling leads to impaired ventricular function and heart failure, remaining a major cause of mortality and morbidity in patients with acute myocardial infarction. It have been shown that, even if all the recommended therapies for ST-segment elevation myocardial infarction are performed, one third of patients undergoes progressive cardiac remodeling that represents morphological basis for following heart failure. The need to extend our knowledge about factors leading to different clinical scenarios of myocardial infarction and following complications has resulted in a research of immuno-inflammatory pathways and molecular activities as the basis for post-infarction remodeling...
February 7, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28149019/serum-iron-folate-ferritin-and-cd4-count-in-hiv-seropositive-women
#7
Simmi Kharb, Manjulata Kumawat, Meenakshi Lallar, P S Ghalaut, Smiti Nanda
HIV infects cluster of differentiation 4 (CD4) T-lymphocytes, monocytes and macrophages resulting in decreased number and function of CD4 cells, changes that affect both cell mediated and humoral immunity. Hematological abnormalities are a common complication of human immune virus (HIV) infection and these abnormalities increase as the disease advances. Anemia is the most common haematological abnormality in HIV seropositive patients and its incidence is strongly associated with the progression of the disease...
March 2017: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/28138156/antibody-dependent-cell-cytotoxicity-adcc-immunotherapy-strategies-enhancing-effector-nk-cells
#8
REVIEW
Maria Carmen Ochoa, Luna Minute, Inmaculada Rodriguez, Saray Garasa, Elisabeth Perez-Ruiz, Susana Inogés, Ignacio Melero, Pedro Berraondo
Antibody-dependent cellular cytotoxicity (ADCC) is a set of mechanisms that target cells coated with IgG antibodies of the proper subclasses (IgG1 in the human) to be the prey of cell-to-cell cytolysis executed by immune cells expressing FcRIIIA (CD16A). These effectors include not only NK cells but also other CD16(+) subsets such as monocyte/macrophages, NKT cells or γδ T cells. In cancer therapy, ADCC is exploited by antibodies that selectively recognize proteins on the surface of malignant cells. An approach to enhance antitumor activity is to act on effector cells so they are increased in their numbers or enhanced in their individual (on a cell per cell basis) ADCC performance...
January 31, 2017: Immunology and Cell Biology
https://www.readbyqxmd.com/read/28134625/autophagy-facilitates-macrophage-depots-of-sustained-release-nanoformulated-antiretroviral-drugs
#9
Divya Prakash Gnanadhas, Prasanta K Dash, Brady Sillman, Aditya N Bade, Zhiyi Lin, Diana L Palandri, Nagsen Gautam, Yazen Alnouti, Harris A Gelbard, JoEllyn McMillan, R Lee Mosley, Benson Edagwa, Howard E Gendelman, Santhi Gorantla
Long-acting anti-HIV products can substantively change the standard of care for patients with HIV/AIDS. To this end, hydrophobic antiretroviral drugs (ARVs) were recently developed for parenteral administration at monthly or longer intervals. While shorter-acting hydrophilic drugs can be made into nanocarrier-encased prodrugs, the nanocarrier encasement must be boosted to establish long-acting ARV depots. The mixed-lineage kinase 3 (MLK-3) inhibitor URMC-099 provides this function by affecting autophagy. Here, we have shown that URMC-099 facilitates ARV sequestration and its antiretroviral responses by promoting the nuclear translocation of the transcription factor EB (TFEB)...
January 30, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28128004/long-acting-slow-effective-release-antiretroviral-therapy
#10
Benson Edagwa, JoEllyn McMillan, Brady Sillman, Howard E Gendelman
Advances in long-acting antiretroviral therapy (ART) can revolutionize current HIV/AIDS treatments. We coined the term 'long-acting slow effective release ART' (LASER ART) to highlight the required formulation properties of slow drug dissolution, poor water-solubility, bioavailability, little-to-no off-target toxicities and improved regimen adherence. Drug carrier technologies characterized by high antiretroviral drug (ARV) payloads in a single carrier improve the pharmacokinetic and pharmacodynamic profiles...
February 6, 2017: Expert Opinion on Drug Delivery
https://www.readbyqxmd.com/read/28122021/the-effect-of-tacrolimus-and-mycophenolic-acid-on-cd14-monocyte-activation-and-function
#11
Nynke M Kannegieter, Dennis A Hesselink, Marjolein Dieterich, Rens Kraaijeveld, Ajda T Rowshani, Pieter J M Leenen, Carla C Baan
Monocytes and macrophages play key roles in many disease states, including cellular and humoral rejection after solid organ transplantation (SOT). To suppress alloimmunity after SOT, immunosuppressive drug therapy is necessary. However, little is known about the effects of the immunosuppressive drugs tacrolimus and mycophenolic acid (MPA) on monocyte activation and function. Here, the effect of these immunosuppressants on monocytes was investigated by measuring phosphorylation of three intracellular signaling proteins which all have a major role in monocyte function: p38MAPK, ERK and Akt...
2017: PloS One
https://www.readbyqxmd.com/read/28118521/treatment-of-tnf-tg-mice-with-anti-tnf-restores-lymphatic-contraction-repairs-lymphatic-vessels-and-may-increase-monocyte-macrophage-egress
#12
Echoe M Bouta, Igor Kuzin, Karen de Mesy Bentley, Ronald W Wood, Homaira Rahimi, Rui-Cheng Ji, Christopher T Ritchlin, Andrea Bottaro, Lianping Xing Bm, And Edward M Schwarz
BACKGROUND: Recent studies have demonstrated that there is an inverse relationship between lymphatic egress and inflammatory arthritis in affected joints. As a model, TNF-transgenic (TNF-Tg) mice develop advanced arthritis following draining lymph node collapse, and loss of lymphatic contractions downstream of inflamed joints. As it is unknown if these lymphatic deficits are reversible, we tested the hypothesis that anti-TNF therapy reduces advanced inflammatory-erosive arthritis, associated with restoration of lymphatic contractions, repair of damaged lymphatic vessels, and evidence of increased monocyte egress...
January 24, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28114589/murine-corneal-inflammation-and-nerve-damage-after-infection-with-hsv-1-are-promoted-by-hvem-and-ameliorated-by-immune-modifying-nanoparticle-therapy
#13
Rebecca G Edwards, Sarah J Kopp, Igal Ifergan, Jr-Wen Shui, Mitchell Kronenberg, Stephen D Miller, Richard Longnecker
Purpose: To determine cellular and temporal expression patterns of herpes virus entry mediator (HVEM, Tnfrsf14) in the murine cornea during the course of herpes simplex virus 1 (HSV-1) infection, the impact of this expression on pathogenesis, and whether alterations in HVEM or downstream HVEM-mediated effects ameliorate corneal disease. Methods: Corneal HVEM levels were assessed in C57BL/6 mice after infection with HSV-1(17). Leukocytic infiltrates and corneal sensitivity loss were measured in the presence, global absence (HVEM knockout [KO] mice; Tnfrsf14-/-), or partial absence of HVEM (HVEM conditional KO)...
January 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28111615/the-effects-of-first-line-anti-tuberculosis-drugs-on-the-actions-of-vitamin-d-in-human-macrophages
#14
Supavit Chesdachai, Susu M Zughaier, Li Hao, Russell R Kempker, Henry M Blumberg, Thomas R Ziegler, Vin Tangpricha
Tuberculosis (TB) is a major global health problem. Patients with TB have a high rate of vitamin D deficiency, both at diagnosis and during the course of treatment with anti-tuberculosis drugs. Although data on the efficacy of vitamin D supplementation on Mycobacterium tuberculosis (Mtb) clearance is uncertain from randomized controlled trials (RCTs), vitamin D enhances the expression of the anti-microbial peptide human cathelicidin (hCAP18) in cultured macrophages in vitro. One possible explanation for the mixed (primarily negative) results of RCTs examining vitamin D treatment in TB infection is that anti-TB drugs given to enrolled subjects may impact actions of vitamin D to enhance cathelicidin in macrophages...
December 2016: Journal of Clinical & Translational Endocrinology
https://www.readbyqxmd.com/read/28108216/the-phenomenon-of-atherosclerosis-reversal-and-regression-lessons-from-animal-models
#15
REVIEW
Dimitry A Chistiakov, Veronika A Myasoedova, Victor V Revin, Alexander N Orekhov, Yuri V Bobryshev
Studies in non-rodent and murine models showed that atherosclerosis can be reversed. Atherosclerosis progression induced by high-fat or cholesterol-rich diet can be reduced and reversed to plaque regression after switching to a normal diet or through administration of lipid-lowering agents. The similar process should exist in humans after implementation of lipid-lowering therapy and as a result of targeting of small rupture-prone plaques that are major contributors for acute atherosclerotic complications. Lowering of low density lipoprotein (LDL) cholesterol and the activation of reverse cholesterol transport lead to a decline in foam cell content, to the depletion of plaque lipid reservoirs, a decrease in lesional macrophage numbers through the activation of macrophage emigration and, probably, apoptosis, dampening plaque inflammation, and the induction of anti-inflammatory macrophages involved in clearance of the necrotic core and plaque healing...
January 17, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28101208/effect-of-bovine-dialyzable-leukocyte-extract-on-induction-of-cell-differentiation-and-death-in-k562-human-chronic-myelogenous-leukemia-cells
#16
Crystel A Sierra-Rivera, Moisés A Franco-Molina, Edgar Mendoza-Gamboa, Pablo Zapata-Benavides, Jesús Santaolalla-Tapia, Erika E Coronado-Cerda, Reyes S Tamez-Guerra, Cristina Rodríguez-Padilla
Differentiation induction therapy is an attractive approach in leukemia treatment due to the fact that in blast crisis stage, leukemic cells lose their differentiation capacity. Therefore, it has been proposed as a therapeutic strategy to induce terminal differentiation of leukemic blast cells into a specific lineage, leading to prevention of high proliferation rates. The aim of the present study was to demonstrate the potential of cell differentiation and death induced by bovine dialyzable leukocyte extract (bDLE) in the K562 cell line...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28066794/altered-monocyte-and-endothelial-cell-adhesion-molecule-expression-is-linked-to-vascular-inflammation-in-human-immunodeficiency-virus-infection
#17
Manjusha Kulkarni, Emily Bowman, Janelle Gabriel, Taylor Amburgy, Elizabeth Mayne, David A Zidar, Courtney Maierhofer, Abigail Norris Turner, Jose A Bazan, Susan L Koletar, Michael M Lederman, Scott F Sieg, Nicholas T Funderburg
BACKGROUND: Human immunodeficiency virus (HIV)-infected individuals have increased risk for vascular thrombosis, potentially driven by interactions between activated leukocytes and the endothelium. METHODS: Monocyte subsets (CD14(+)CD16(-), CD14(+)CD16(+), CD14(Dim)CD16(+)) from HIV negative (HIV(-)) and antiretroviral therapy-treated HIV positive (HIV(+)) participants (N = 19 and 49) were analyzed by flow cytometry for adhesion molecule expression (lymphocyte function-associated antigen 1 [LFA-1], macrophage-1 antigen [Mac-1], CD11c/CD18, very late antigen [VLA]-4) and the fractalkine receptor (CX3CR1); these receptors recognize ligands (intercellular adhesion molecules [ICAMs], vascular cell adhesion molecule [VCAM]-1, fractalkine) on activated endothelial cells (ECs) and promote vascular migration...
October 2016: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28062499/role-of-kca3-1-channels-in-macrophage-polarization-and-its-relevance-in-atherosclerotic-plaque-instability
#18
Rende Xu, Chenguang Li, Yizhe Wu, Li Shen, Jianying Ma, Juying Qian, Junbo Ge
OBJECTIVE: Emerging evidence indicates that proinflammatory macrophage polarization imbalance plays a key role in atherosclerotic plaque progression and instability. The calcium-activated potassium channel KCa3.1 is critically involved in macrophage activation and function. However, the role of KCa3.1 in macrophage polarization is unknown. This study investigates the potential role of KCa3.1 in transcriptional regulation in macrophage polarization and its relationship to plaque instability...
February 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28047448/su-f-t-59-the-effect-of-radiotherapy-dose-on-immunoadjuvants
#19
M Moreau, S Yasmin-Karim, Y Hao, W Ngwa
PURPOSE: Combining radiotherapy with immunotherapy is a promising approach to enhance treatment outcomes for cancer patients. This in-vitro study investigated which radiotherapy doses could adversely affect the function of anti-CD40 mAb, which is one of the key immunoadjuvants under investigations for priming such combination therapy. METHODS: Human monocyte derived THP-1 cells were treated with 100ng/mL of PMA in chamber slides to differentiate into macrophage...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28027709/conditioned-medium-from-periodontal-ligament-stem-cells-enhances-periodontal-regeneration
#20
Mizuki Nagata, Kengo Iwasaki, Keiko Akazawa, Motohiro Komaki, Naoki Yokoyama, Yuichi Izumi, Ikuo Morita
Periodontal disease is one of the most common infectious diseases in adults and is characterized by the destruction of tooth-supporting tissues. Mesenchymal stem cells (MSCs) comprise the mesoderm-originating stem cell population, which has been studied and used for cell therapy. However, because of the lower rate of cell survival after MSC transplantation in various disease models, paracrine functions of MSCs have been receiving increased attention as a regenerative mechanism. The aim of this study was to investigate the regenerative potential of transplanted conditioned medium (CM) obtained from cultured periodontal ligament stem cells (PDLSCs), the adult stem cell population in tooth-supporting tissues, using a rat periodontal defect model...
January 27, 2017: Tissue Engineering. Part A
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