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Monocyte/macrophage cell therapy

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https://www.readbyqxmd.com/read/28306336/fifty-years-of-research-in-ards-cell-based-therapy-for-ards-biology-and-potential-therapeutic-value
#1
John G Laffey, Michael A Matthay
Based on several pre-clinical studies, cell-based therapy has emerged as a potential new therapeutic for ARDS. Of the various cell-based therapy options, mesenchymal stromal cells (MSCs) from bone marrow, adipose tissue and umbilical cord have the most experimental data to support their potential efficacy for lung injury from both infectious and non-infectious causes. Mechanistically, MSCs exert their beneficial effects by release of paracrine factors, microvesicles, and transfer of mitochondria, all of which have anti-inflammatory and pro-resolving effects on injured lung endothelium and alveolar epithelium, including enhancing the resolution of pulmonary edema by upregulating sodium-dependent alveolar fluid clearance...
March 17, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28303450/dr%C3%AE-1-mog-35-55-treatment-reduces-lesion-volumes-and-improves-neurological-deficits-after-traumatic-brain-injury
#2
Liu Yang, Zhijia Liu, Honglei Ren, Lei Zhang, Siman Gao, Li Ren, Zhi Chai, Roberto Meza-Romero, Gil Benedek, Arthur A Vandenbark, Halina Offner, Minshu Li
Traumatic brain injury (TBI) results in severe neurological impairments without effective treatments. Inflammation appears to be an important contributor to key pathogenic events such as secondary brain injury following TBI and therefore serves as a promising target for novel therapies. We have recently demonstrated the ability of a molecular construct comprised of the human leukocyte antigen (HLA)-DRα1 domain linked covalently to mouse (m)MOG-35-55 peptide (DRα1-MOG-35-55 construct) to reduce CNS inflammation and tissue injury in animal models of multiple sclerosis and ischemic stroke...
March 16, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28297579/endothelial-cells-promote-expansion-of-long-term-engrafting-marrow-hematopoietic-stem-and-progenitor-cells-in-primates
#3
Jennifer L Gori, Jason M Butler, Balvir Kunar, Michael G Poulos, Michael Ginsberg, Daniel J Nolan, Zachary K Norgaard, Jennifer E Adair, Shahin Rafii, Hans-Peter Kiem
Successful expansion of bone marrow (BM) hematopoietic stem and progenitor cells (HSPCs) would benefit many HSPC transplantation and gene therapy/editing applications. However, current expansion technologies have been limited by a loss of multipotency and self-renewal properties ex vivo. We hypothesized that an ex vivo vascular niche would provide prohematopoietic signals to expand HSPCs while maintaining multipotency and self-renewal. To test this hypothesis, BM autologous CD34(+) cells were expanded in endothelial cell (EC) coculture and transplanted in nonhuman primates...
March 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28285690/the-cell-cell-interaction-between-tumor-associated-macrophages-and-small-cell-lung-cancer-cells-is-involved-in-tumor-progression-via-stat3-activation
#4
Toyohisa Iriki, Koji Ohnishi, Yukio Fujiwara, Hasita Horlad, Yoichi Saito, Cheng Pan, Koei Ikeda, Takeshi Mori, Makoto Suzuki, Hidenori Ichiyasu, Hirotsugu Kohrogi, Motohiro Takeya, Yoshihiro Komohara
OBJECTIVES: Small cell lung cancer (SCLC) is an aggressive tumor with a poor prognosis. It is well known that various stromal cells, including macrophages, play a role in tumor progression in several types of malignant tumors; however, the significance of tumor-associated macrophages (TAMs) in SCLC has not been fully elucidated. Signal transducer and activator of transcription 3 (STAT3) is a molecule well-known to be related to tumor progression. In the present study, we investigated the relationship of TAMs and SCLC cells to test the hypothesis that TAMs induce tumor progression in SCLC via STAT3 activation...
April 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28285061/consecutive-evaluation-of-graphene-oxide-and-reduced-graphene-oxide-nanoplatelets-immunotoxicity-on-monocytes
#5
Junyan Yan, Liliang Chen, Chih-Ching Huang, Shih-Chun Candice Lung, Lingyan Yang, Wen-Cheng Wang, Po-Hsiung Lin, Guangli Suo, Chia-Hua Lin
The biocompatibilities of graphene-family nanomaterials (GFNs) should be thoroughly evaluated before their application in drug delivery and anticancer therapy. The present study aimed to consecutively assess the immunotoxicity of graphene oxide nanoplatelets (GONPs) and reduced GONPs (rGONPs) on THP-1 cells, a human acute monocytic leukemia cell line. GONPs induced the expression of antioxidative enzymes and inflammatory factors, whereas rGONPs had substantially higher cellular uptake rate, higher levels of NF-κB expression...
March 2, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28275553/enzyme-replacement-therapy-for-farber-disease-proof-of-concept-studies-in-cells-and-mice
#6
Xingxuan He, Shaalee Dworski, Changzhi Zhu, Victor DeAngelis, Alex Solyom, Jeffrey A Medin, Calogera M Simonaro, Edward H Schuchman
A series of studies were carried out in Farber disease (OMIM #228000) cells and mice to evaluate the feasibility of enzyme replacement therapy (ERT) for this disorder. Media from Chinese hamster ovary (CHO) cells overexpressing human recombinant acid ceramidase (rhAC) was used to treat fibroblasts from a Farber disease patient, leading to significantly reduced ceramide. We also found that chondrocytes from Farber disease mice had a markedly abnormal chondrogenic phenotype, and this was corrected by rhAC as well...
June 2017: BBA Clinical
https://www.readbyqxmd.com/read/28273064/class-iia-hdac-inhibition-reduces-breast-tumours-and-metastases-through-anti-tumour-macrophages
#7
Jennifer L Guerriero, Alaba Sotayo, Holly E Ponichtera, Jessica A Castrillon, Alexandra L Pourzia, Sara Schad, Shawn F Johnson, Ruben D Carrasco, Suzan Lazo, Roderick T Bronson, Scott P Davis, Mercedes Lobera, Michael A Nolan, Anthony Letai
Although the main focus of immuno-oncology has been manipulating the adaptive immune system, harnessing both the innate and adaptive arms of the immune system might produce superior tumour reduction and elimination. Tumour-associated macrophages often have net pro-tumour effects, but their embedded location and their untapped potential provide impetus to discover strategies to turn them against tumours. Strategies that deplete (anti-CSF-1 antibodies and CSF-1R inhibition) or stimulate (agonistic anti-CD40 or inhibitory anti-CD47 antibodies) tumour-associated macrophages have had some success...
March 8, 2017: Nature
https://www.readbyqxmd.com/read/28251313/the-role-of-macrophages-in-hypertension-and-its-complications
#8
REVIEW
A Justin Rucker, Steven D Crowley
Circulating monocytes and tissue macrophages play complex roles in the pathogenesis of hypertension, a highly prevalent disease associated with catastrophic cardiovascular morbidity. In the vasculature and kidney, macrophage-derived reactive oxygen species (ROS) and inflammatory cytokines induce endothelial and epithelial dysfunction, respectively, resulting in vascular oxidative stress and impairment of sodium excretion. By contrast, VEGF-C-expressing macrophages in the skin can facilitate the removal of excess interstitial stores of sodium by stimulating lymphangiogenesis...
March 1, 2017: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/28240248/essentiality-of-mmpl3-and-impact-of-its-silencing-on-mycobacterium-tuberculosis-gene-expression
#9
Giulia Degiacomi, Andrej Benjak, Jan Madacki, Francesca Boldrin, Roberta Provvedi, Giorgio Palù, Jana Kordulakova, Stewart T Cole, Riccardo Manganelli
MmpL3 is an inner membrane transporter of Mycobacterium tuberculosis responsible for the export of trehalose momomycolate, a precursor of the mycobacterial outer membrane component trehalose dimycolate (TDM), as well as mycolic acids bound to arabinogalactan. MmpL3 represents an emerging target for tuberculosis therapy. In this paper, we describe the construction and characterization of an mmpL3 knockdown strain of M. tuberculosis. Downregulation of mmpL3 led to a stop in bacterial division and rapid cell death, preceded by the accumulation of TDM precursors...
February 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28240048/granulocyte-macrophage-colony-stimulating-factor-increases-tumor-growth-and-angiogenesis-directly-by-promoting-endothelial-cell-function-and-indirectly-by-enhancing-the-mobilization-and-recruitment-of-proangiogenic-granulocytes
#10
Qiaowei Zheng, Xueqian Li, Xiaoliang Cheng, Ting Cui, Yingcheng Zhuo, Wenbin Ma, Xue Zhao, Peipei Zhao, Xuanlin Liu, Weiyi Feng
Granulocyte-macrophage colony-stimulating factor has been widely used as an adjuvant therapy for cancer patients exhibiting myelosuppression induced by chemotherapy or radiotherapy. However, the effects of granulocyte-macrophage colony-stimulating factor on tumor growth, as well as its precise mechanism, are still controversial due to inconsistent evidence. This study investigated the effect of exogenous granulocyte-macrophage colony-stimulating factor on the growth of B16 melanoma, S180 sarcoma, and U14 cervical carcinoma in mice...
February 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28224619/l-asparaginase-mediated-downregulation-of-c-myc-promotes-1-25-oh-2-d3-induced-myeloid-differentiation-in-acute-myeloid-leukemia-cells
#11
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
#12
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
#13
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 17, 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
#14
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
#15
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
#16
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
#17
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-immunotherapy-strategies-enhancing-effector-nk-cells
#18
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 natural killer (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...
February 21, 2017: Immunology and Cell Biology
https://www.readbyqxmd.com/read/28134625/autophagy-facilitates-macrophage-depots-of-sustained-release-nanoformulated-antiretroviral-drugs
#19
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)...
March 1, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28128004/long-acting-slow-effective-release-antiretroviral-therapy
#20
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
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