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Monocyte/macrophage cell therapy

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https://www.readbyqxmd.com/read/29351395/macrophage-colony-stimulating-factor-increases-hepatic-macrophage-content-liver-growth-and-lipid-accumulation-in-neonatal-rats
#1
Clare Pridans, Kristin A Sauter, Katharine M Irvine, Gemma M Davis, Lucas Lefevre, Anna Raper, Rocio Rojo, Ajit J Nirmal, Philippa Beard, Michael Cheeseman, David A Hume
Signaling via the colony stimulating factor 1 receptor (CSF1R) controls the survival, differentiation and proliferation of macrophages. Mutations in CSF1, or CSF1R in mice and rats have pleiotropic effects on postnatal somatic growth. We tested the possible application of CSF1-Fc as a therapy for low birth weight (LBW) at term, using a model based upon maternal dexamethasone treatment in rats. Neonatal CSF1-Fc treatment did not alter somatic growth, and did not increase the blood monocyte count. Instead, there was a substantial increase in the size of liver in both control and LBW rats, and the treatment greatly exacerbated the lipid droplet accumulation seen in the dexamethasone LBW model...
December 21, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/29341328/histiocytosis-cutaneous-manifestations-of-hematopoietic-neoplasm-and-non-neoplastic-histiocytic-proliferations
#2
REVIEW
C M Luder, T M Nordmann, E Ramelyte, B Mühleisen, K Kerl, O Boyman, E Guenova, R Dummer
Histiocytoses are rare disorders characterized by the accumulation of cells derived from macrophages, dendritic cells, or monocytes in various tissues. There is a broad spectrum of disease manifestations with some subtypes commonly showing skin lesions while in others the skin is rarely involved. Here we describe cutaneous manifestations of histiocytoses belonging to the Langerhans group (L group), the group of cutaneous and mucocutaneous histiocytoses (C group) and the group of Rosai-Dorfman disease and related histiocytoses (R group) according to the current classification...
January 16, 2018: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29337566/cationic-polymeric-nanoparticle-delivering-ccr2-sirna-to-inflammatory-monocytes-for-tumor-microenvironment-modification-and-cancer-therapy
#3
Song Shen, Yue Zhang, Kai-Ge Chen, Ying-Li Luo, Jun Wang
Accumulating evidence has confirmed that malignant tumors have a complex microenvironment, which consists of a heterogeneous collection of tumor cells and other cell subsets (including the full gamut of immune cells). Tumor-associated macrophages (TAMs), derived from circulating Ly6Chi monocytes, constitute the most substantial fraction of tumor-infiltrating immune cells in nearly all cancer types and contribute to tumor progression, vascularization, metastasis, immunosuppression and therapeutic resistance...
January 16, 2018: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/29336246/the-role-of-colchicine-in-the-prevention-of-cerebrovascular-ischemia
#4
Georgios Tsivgoulis, Aristeidis H Katsanos, Georgios Giannopoulos, Vasiliki Panagopoulou, Dalius Jatuzis, Robin Lemnens, Spyridon Deftereos, Peter J Kelly
INTRODUCTION: Despite the proven efficacy of anti-thrombotic, lipid-lowering, anti-hypertensive therapies and lifestyle modification changes for secondary ischemic stroke prevention, the risk of recurrent stroke, coronary events and vascular death remains substantial even for patients treated with high rates of established secondary preventive medications. METHODS: In the present review, we summarize available literature data on the association between systemic inflammation and symptomatic atherosclerosis including recurrent cerebral ischemia...
January 15, 2018: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/29324844/absence-of-myeloid-klf4-reduces-prostate-cancer-growth-with-pro-atherosclerotic-activation-of-tumor-myeloid-cells-and-infiltration-of-cd8-t-cells
#5
David J Barakat, Rahul Suresh, Theresa Barberi, Kenneth J Pienta, Brian W Simons, Alan D Friedman
The microenvironment of prostate cancer often includes abundant tumor-associated macrophages (TAMs), with their acquisition of an M2 phenotype correlating with local aggressiveness and metastasis. Tumor-derived M-CSF contributes to TAM M2 polarization, and M-CSF receptor inhibition slows prostate cancer growth in model systems. As additional cytokines can direct TAM M2 polarization, targeting downstream transcription factors could avoid resistance. Klf4 and C/EBPβ each contribute to monocyte development, and reduced expression of macrophage Klf4 or C/EBPβ favors their adoption of a pro-inflammatory M1 state...
2018: PloS One
https://www.readbyqxmd.com/read/29314819/modulating-phagocytic-cell-sequestration-by-tailoring-nanoconstruct-softness
#6
Roberto Palomba, Anna Lisa Palange, Ilaria Francesca Rizzuti, Miguel Ferreira, Antonio Cervadoro, Maria Grazia Barbato, Claudio Canale, Paolo Decuzzi
The effect of nanoparticle size, shape and surface properties on cellular uptake has been extensively investigated for its basic science and translational implications. Recently, softness is emerging as a design parameter for modulating the interaction of nanoparticles with cells and the biological microenvironment. Here, circular, quadrangular and elliptical polymeric nanoconstructs of different sizes are realized with a Young's modulus ranging from ∽ 100 kPa (soft) to 10 MPa (rigid). The interaction of these nanoconstructs with professional phagocytic cells is assessed via confocal microscopy and flow cytometry analyses...
January 9, 2018: ACS Nano
https://www.readbyqxmd.com/read/29301931/translocator-protein-as-an-imaging-marker-of-macrophage-and-stromal-activation-in-ra-pannus
#7
Nehal Narayan, David Owen, Harpreet Mandhair, Erica Smyth, Francesco Carlucci, Azeem Saleem, Roger Gunn, Eugenii Ilan A Rabiner, Lisa Wells, Stephanie Dakin, Afsie Sabokbar, Peter Taylor
Positron Emission Tomography (PET) radioligands targeted to Translocator protein (TSPO), offer a highly sensitive and specific means of imaging joint inflammation in rheumatoid arthritis (RA). Through high expression of TSPO on activated macrophages, TSPO PET has been widely reported in several studies of RA as a means of imaging synovial macrophages in vivo. However, this premise does not take into account the ubiquitous expression of TSPO. This study aimed to investigate TSPO expression in major cellular constituents of RA pannus; monocytes, macrophages, fibroblast-like synoviocytes (FLS) and CD4+ T lymphocytes, to more accurately interpret TSPO PET signal from RA synovium...
January 4, 2018: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/29277763/the-expression-of-matrix-metalloproteinases-in-receptor-activator-of-nuclear-factor-kappa-b-ligand-rankl-expressing-cancer-of-apocrine-origin
#8
Yumi Kambayashi, Taku Fujimura, Sadanori Furudate, Chunbing Lyu, Takanori Hidaka, Aya Kakizaki, Yota Sato, Kayo Tanita, Setsuya Aiba
Primary cutaneous apocrine carcinoma (PCAC) is a rare and highly aggressive tumor entity. Since there is no conventional therapy for advanced PCAC, exploratory treatments are sometimes used. As we previously reported, receptor activator of nuclear factor kappa-B (RANK) ligand (RANKL)/RANK signaling on M2 macrophages promotes the production of chemokines and proinflammatory cytokines to maintain the immunosuppressive tumor environment of extramammary Paget's disease (EMPD). Since EMPD is a skin adenocarcinoma of apocrine gland origin that expresses high levels of RANKL and matrix metalloproteinase (MMP) 7, and EMPD is associated with the presence of RANK+ M2 macrophages, we hypothesized that tumor-associated macrophages (TAMs) in adenocarcinomas such as PCAC might also express RANKL and MMP7...
January 2018: Anticancer Research
https://www.readbyqxmd.com/read/29273298/recruitment-and-therapeutic-application-of-macrophages-in-skeletal-muscles-after-hind-limb-ischemia
#9
Pei-Ling Hsieh, Viktoriya Rybalko, Aaron B Baker, Laura J Suggs, Roger P Farrar
OBJECTIVE: Peripheral arterial disease can cause not only ischemia but also skeletal muscle damage. It has been known that macrophages (MPs) play an important role in coordinating muscle repair; however, phenotype transition of monocyte-MP in ischemic muscle has not been well defined. Hence, the purpose of this study was to examine the temporal recruitment of MPs and to explore their therapeutic effect on ischemic muscle regeneration. METHODS: Unilateral femoral artery excision was performed on C57BL/6 mice...
December 19, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29273180/-multiple-facets-of-ada2-deficiency-vasculitis-auto-inflammatory-disease-and-immunodeficiency-a-literature-review-of-135-cases-from-literature
#10
A Fayand, G Sarrabay, A Belot, V Hentgen, I Kone-Paut, G Grateau, I Melki, S Georgin-Lavialle
Deficiency of adenosine deaminase 2 (DADA2) is a recently described auto-inflammatory disorder. It is an autosomal recessive inherited disease, caused by mutations in the ADA2 gene (formerly known as CECR1) encoding ADA2 enzyme. Besides its role in the purine metabolism, it has been postulated that ADA2 may act as a growth factor for endothelial cells and in the differenciation of monocytes. Thus, deficiency of ADA2 would lead to endothelial damage and a skewing of monocytes into M1 pro-inflammatory macrophage, causing DADA2 manifestations...
December 19, 2017: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/29262348/cellular-differentiation-of-human-monocytes-is-regulated-by-time-dependent-interleukin-4-signaling-and-the-transcriptional-regulator-ncor2
#11
Jil Sander, Susanne V Schmidt, Branko Cirovic, Naomi McGovern, Olympia Papantonopoulou, Anna-Lena Hardt, Anna C Aschenbrenner, Christoph Kreer, Thomas Quast, Alexander M Xu, Lisa M Schmidleithner, Heidi Theis, Lan Do Thi Huong, Hermi Rizal Bin Sumatoh, Mario A R Lauterbach, Jonas Schulte-Schrepping, Patrick Günther, Jia Xue, Kevin Baßler, Thomas Ulas, Kathrin Klee, Natalie Katzmarski, Stefanie Herresthal, Wolfgang Krebs, Bianca Martin, Eicke Latz, Kristian Händler, Michael Kraut, Waldemar Kolanus, Marc Beyer, Christine S Falk, Bettina Wiegmann, Sven Burgdorf, Nicholas A Melosh, Evan W Newell, Florent Ginhoux, Andreas Schlitzer, Joachim L Schultze
Human in vitro generated monocyte-derived dendritic cells (moDCs) and macrophages are used clinically, e.g., to induce immunity against cancer. However, their physiological counterparts, ontogeny, transcriptional regulation, and heterogeneity remains largely unknown, hampering their clinical use. High-dimensional techniques were used to elucidate transcriptional, phenotypic, and functional differences between human in vivo and in vitro generated mononuclear phagocytes to facilitate their full potential in the clinic...
December 19, 2017: Immunity
https://www.readbyqxmd.com/read/29259711/recent-advances-in-the-treatment-of-skin-involvement-in-systemic-sclerosis
#12
REVIEW
Yoshihide Asano
Skin fibrosis is a devastating clinical condition commonly seen in skin-restricted and systemic disorders. The goal of skin fibrosis treatment is the restoration of abnormally activated dermal fibroblasts producing the excessive amount of extracellular matrix, which is generally a final consequence of the complex disease process including the activation of vascular and immune systems. Among various skin fibrotic conditions, the molecular mechanisms underlying dermal fibroblast activation have been mostly well studied in systemic sclerosis (SSc)...
2017: Inflammation and Regeneration
https://www.readbyqxmd.com/read/29259583/inhibition-of-tissue-matrix-metalloproteinases-interferes-with-mycobacterium-tuberculosis-induced-granuloma-formation-and-reduces-bacterial-load-in-a-human-lung-tissue-model
#13
Venkata R Parasa, Jagadeeswara R Muvva, Jeronimo F Rose, Clara Braian, Susanna Brighenti, Maria Lerm
Granulomas are hallmarks of pulmonary tuberculosis (TB) and traditionally viewed as host-protective structures. However, recent evidence suggest that Mycobacterium tuberculosis (Mtb) uses its virulence factors to stimulate the formation of granuloma. In the present study, we investigated the contribution of matrix metalloproteinases (MMPs), host enzymes that cause degradation of the extracellular matrix, to granuloma formation and bacterial load in Mtb-infected tissue. To this end, we used our lung tissue model for TB, which is based on human lung-derived cells and primary human monocyte-derived macrophages...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29258420/renal-allograft-rejection-lymphocyte-infiltration-and-de-novo-donor-specific-antibodies-in-a-novel-model-of-non-adherence-to-immunosuppressive-therapy
#14
Louisa Kühne, Bettina Jung, Helen Poth, Antonia Schuster, Simone Wurm, Petra Ruemmele, Bernhard Banas, Tobias Bergler
BACKGROUND: Non-adherence has been associated with reduced graft survival. The aim of this study was to investigate the immunological mechanisms underlying chronic renal allograft rejection using a model of non-adherence to immunosuppressive therapy. We used a MHC (major histocompatibility complex) -mismatched rat model of renal transplantation (Brown Norway to Lewis), in which rats received daily oral cyclosporine A. In analogy to non-adherence to therapy, one group received cyclosporine A on alternating days only...
December 19, 2017: BMC Immunology
https://www.readbyqxmd.com/read/29251331/upregulation-of-igf1-by-tumor-associated-macrophages-promotes-the-proliferation-and-migration-of-epithelial-ovarian-cancer-cells
#15
Li Liu, Xinjing Wang, Xiaoduan Li, Xiaoli Wu, Meiling Tang, Xipeng Wang
Ovarian cancer (OC), of which epithelial ovarian cancer (EOC) is the most common, is the deadliest gynecological tumor because of the difficulties in detection at early stages, and metastasis and chemoresistance at advanced stages. Tumor-associated macrophages (TAMs) differentiate through alternative pathways and play important roles in tumor growth and metastasis. However, the underlying mechanism remains unclear. Here, we established a mouse TAM model using bone marrow monocytes and conditioned medium (CM) of TAMs to culture ID8 mouse EOC cells...
February 2018: Oncology Reports
https://www.readbyqxmd.com/read/29238019/-inflammation-and-osteoclasts
#16
Kazuhiro Yokota
  Osteoclasts are differentiated from precursors of the monocyte/macrophage lineage originated from bone marrow hematopoietic stem cells and are the sole bone-resorbing cells in the body. Osteoclast differentiation is thought to require M-CSF (macrophage colony-stimulating factor) and RANKL (receptor activator of nuclear factor kappa-B ligand) signaling. However, it has recently been proposed that under chronic inflammatory conditions, such as systemic autoimmune diseases (e.g., rheumatoid arthritis), an increase in inflammatory cytokine levels within joints induces pathological osteoclast differentiation, causing excessive bone resorption...
2017: Nihon Rinshō Men'eki Gakkai Kaishi, Japanese Journal of Clinical Immunology
https://www.readbyqxmd.com/read/29230166/the-therapeutic-potential-of-monocyte-macrophage-manipulation-in-the-treatment-of-chemotherapy-induced-painful-neuropathy
#17
REVIEW
Karli Montague, Marzia Malcangio
In cancer treatments a dose-limiting side-effect of chemotherapeutic agents is the development of neuropathic pain, which is poorly managed by clinically available drugs at present. Chemotherapy-induced painful neuropathy (CIPN) is a major cause of premature cessation of treatment and so a greater understanding of the underlying mechanisms and the development of novel, more effective therapies, is greatly needed. In some cases, only a weak correlation between chemotherapy-induced pain and neuronal damage is observed both clinically and preclinically...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/29228668/tsc-22-inhibits-csf-1r-function-and-induces-apoptosis-in-cervical-cancer
#18
Min-Ji Cho, Ji-Yeon Lee, Min-Gwan Shin, Hyun-Ji Kim, Yu-Joung Choi, Seung Bae Rho, Boh-Ram Kim, Ik Soon Jang, Seung-Hoon Lee
Colony stimulating factor 1 receptor (CSF-1R) regulates the monocyte/macrophage system, which is an essential component of cancer development. Therefore, CSF-1R might be an effective target for anti-cancer therapy. The overexpression of transforming growth factor (TGF)-β stimulated clone-22 (TSC-22) inhibits cancer cell proliferation and induces apoptosis, and TSC-22 is emerging as a key factor in tumorigenesis. In this study, we discovered CSF-1R as a new interacting partner of TSC-22 and identified its elevated expression in cervical cancer cells...
November 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29223737/synthesis-and-characterization-of-small-sized-gold-nanoparticles-coated-by-bovine-serum-albumin-bsa-for-cancer-photothermal-therapy
#19
Selma M H Al-Jawad, Ali A Taha, Mohammad M F Al-Habosiy, Lamyaa F A Al-Barram
In the present study, small gold nanoparticles <5nm coated with natural protein Bovine Serum Albumin (BSA) was synthesized and characterized using UV-Vis spectrophotometer, Dynamic Light Scattering (DLS), Transmission Electron Microscopy (TEM), zeta potential and scanning electron microscopy (SEM). Three types of cancer cell lines; Rhabdomyosarcoma (RD), Murine fibroblast (L20B) and RAW 264.7 monocyte-macrophage (MQ) were tested and treated by photothermal strategy, in vitro, by conjugating BSA-AuNPs complex of (0...
December 6, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/29214223/novel-elvitegravir-nanoformulation-approach-to-suppress-the-viral-load-in-hiv-infected-macrophages
#20
Yuqing Gong, Pallabita Chowdhury, Narasimha M Midde, Mohammad A Rahman, Murali M Yallapu, Santosh Kumar
Purpose: Monocytes serve as sanctuary sites for HIV-1 from which virus is difficult to be eliminated. Therefore, an effective viral suppression in monocytes is critical for effective antiretroviral therapy (ART). This study focuses on a new strategy using nanoformulation to optimize the efficacy of ART drugs in HIV-infected monocytes. Methods: Poly(lactic-co-glycolic acid) (PLGA)-based elvitegravir nanoparticles (PLGA-EVG) were prepared by nano-precipitation technique...
December 2017: Biochemistry and Biophysics Reports
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