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https://www.readbyqxmd.com/read/28126974/-hereditary-diffuse-leukoencephalopathy-with-spheroids-hdls-clinical-characteristics-and-pathomechanistic-insights
#1
Akira Tamaoka
Hereditary diffuse leukoencephalopathy with spheroids (HDLS) is a rare autosomal dominant disease characterized by neuroaxonal swellings (spheroids) within cerebral white matter. Patients with HDLS show variable symptoms, and have mutations in the protein kinase domain of the colony-stimulating factor 1 receptor (CSF1-R) gene. Currently, more than 50 pathogenic CSF1-R mutations have been reported in patients with HDLS. This manuscript aimed to essentially review clinical characteristics and molecular mechanisms underlying HDLS pathogenesis...
January 2017: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/28115580/role-of-the-testis-interstitial-compartment-in-spermatogonial-stem-cell-function
#2
Sarah J Potter, Tony DeFalco
Male fertility is maintained through intricate cellular and molecular interactions that ensure spermatogonial stem cells (SSCs) proceed in a step-wise differentiation process through spermatogenesis and spermiogenesis to produce sperm. SSCs lie within the seminiferous tubule compartment, which provides a nurturing environment for the development of sperm. Cells outside of the tubules, such as interstitial and peritubular cells, also help direct SSC activity. This review focuses on interstitial (interstitial macrophages, Leydig cells, and vasculature) and peritubular (peritubular macrophages, peritubular myoid cells) cells and their role in regulating SSC self-renewal and differentiation in mammals...
January 23, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28039167/snp-interaction-pattern-identifier-sipi-an-intensive-search-for-snp-snp-interaction-patterns
#3
Hui-Yi Lin, Dung-Tsa Chen, Po-Yu Huang, Yung-Hsin Liu, Augusto Ochoa, Jovanny Zabaleta, Donald E Mercante, Zhide Fang, Thomas A Sellers, Julio M Pow-Sang, Chia-Ho Cheng, Rosalind Eeles, Doug Easton, Zsofia Kote-Jarai, Ali Amin Al Olama, Sara Benlloch, Kenneth Muir, Graham G Giles, Fredrik Wiklund, Henrik Gronberg, Christopher A Haiman, Johanna Schleutker, Børge G Nordestgaard, Ruth C Travis, Freddie Hamdy, Nora Pashayan, Kay-Tee Khaw, Janet L Stanford, William J Blot, Stephen N Thibodeau, Christiane Maier, Adam S Kibel, Cezary Cybulski, Lisa Cannon-Albright, Hermann Brenner, Radka Kaneva, Jyotsna Batra, Manuel R Teixeira, Hardev Pandha, Yong-Jie Lu, Jong Y Park
MOTIVATION: Testing SNP-SNP interactions is considered as a key for overcoming bottlenecks of genetic association studies. However, related statistical methods for testing SNP-SNP interactions are underdeveloped. RESULTS: We propose the SNP Interaction Pattern Identifier (SIPI), which tests 45 biologically meaningful interaction patterns for a binary outcome. SIPI takes non-hierarchical models, inheritance modes and mode coding direction into consideration. The simulation results show that SIPI has higher power than MDR (Multifactor Dimensionality Reduction), AA_Full, Geno_Full (full interaction model with additive or genotypic mode) and SNPassoc in detecting interactions...
December 30, 2016: Bioinformatics
https://www.readbyqxmd.com/read/28031576/anti-colony-stimulating-factor-therapies-for-inflammatory-and-autoimmune-diseases
#4
REVIEW
John A Hamilton, Andrew D Cook, Paul P Tak
Granulocyte-macrophage colony-stimulating factor (GM-CSF), macrophage colony-stimulating factor (M-CSF; also known as CSF1), granulocyte colony-stimulating factor (G-CSF) and interleukin-3 (IL-3) can each play a part in the host response to injury and infection, and there is burgeoning interest in targeting these CSFs in inflammatory and autoimmune disorders, as well as in cancer. For success in clinical medicine, therapeutic targeting will need to be delineated from current strategies. The individual CSFs have unique biological roles, suggesting that they could be used to target specific conditions...
29, 2016: Nature Reviews. Drug Discovery
https://www.readbyqxmd.com/read/28012392/structural-spectroscopic-and-molecular-docking-studies-on-2-amino-3-chloro-5-trifluoromethyl-pyridine-a-potential-bioactive-agent
#5
R Mohamed Asath, R Premkumar, T Mathavan, A Milton Franklin Benial
The most stable, optimized structure of the 2-amino-3-chloro-5-trifluoromethyl pyridine (ACTP) molecule was predicted by the density functional theory calculations using the B3LYP method with cc-pVQZ basis set. Antitumor activity of the ACTP molecule was evaluated by molecular docking analysis. The structural parameters and vibrational wavenumbers were calculated for the optimized molecular structure. The experimental and theoretical vibrational wavenumbers were assigned and compared. Ultraviolet-visible spectrum was simulated and validated experimentally...
March 15, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/27956588/modeling-synovial-sarcoma-metastasis-in-the-mouse-pi3-lipid-signaling-and-inflammation
#6
Jared J Barrott, Lisa A Kafchinski, Huifeng Jin, Jared W Potter, Sarmishta D Kannan, Robert Kennedy, Tim Mosbruger, Wei-Lien Wang, Jen-Wei Tsai, Dejka M Araujo, Ting Liu, Mario R Capecchi, Alexander J Lazar, Kevin B Jones
Solid tumor metastasis is a complex biology, impinged upon by a variety of dysregulated signaling pathways. PI3'-lipid signaling has been associated with metastasis and inflammation in many cancers, but the relationship between tumor cell-intrinsic PI3'-lipid signaling and inflammatory cell recruitment has remained enigmatic. Elevated PI3'-lipid signaling associates with progression of synovial sarcoma, a deadly soft tissue malignancy initiated by a t(X;18) chromosomal translocation that generates an SS18-SSX fusion oncoprotein...
December 12, 2016: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/27923070/macrophage-colony-stimulating-factor-derived-from-cd4-t-cells-contributes-to-control-of-a-blood-borne-infection
#7
Mary F Fontana, Gabrielly L de Melo, Chioma Anidi, Rebecca Hamburger, Chris Y Kim, So Youn Lee, Jennifer Pham, Charles C Kim
Dynamic regulation of leukocyte population size and activation state is crucial for an effective immune response. In malaria, Plasmodium parasites elicit robust host expansion of macrophages and monocytes, but the underlying mechanisms remain unclear. Here we show that myeloid expansion during P. chabaudi infection is dependent upon both CD4+ T cells and the cytokine Macrophage Colony Stimulating Factor (MCSF). Single-cell RNA-Seq analysis on antigen-experienced T cells revealed robust expression of Csf1, the gene encoding MCSF, in a sub-population of CD4+ T cells with distinct transcriptional and surface phenotypes...
December 2016: PLoS Pathogens
https://www.readbyqxmd.com/read/27898738/receptor-type-protein-tyrosine-phosphatase-%C3%AE-and-colony-stimulating-factor-1-receptor-in-the-intestine-cellular-expression-and-cytokine-and-chemokine-responses-by-interleukin-34-and-colony-stimulating-factor-1
#8
Stephanie Zwicker, Daniela Bureik, Madeleen Bosma, Gisele Lago Martinez, Sven Almer, Elisabeth A Boström
Differential intestinal expression of the macrophage growth factors colony stimulating factor-1 (CSF-1), interleukin (IL)-34, and their shared CSF-1 receptor (CSF-1R) in inflammatory bowel disease (IBD) has been shown. Diverse expression between CSF-1 and IL-34, suggest that IL-34 may signal via an alternate receptor. Receptor-type protein-tyrosine phosphatase ζ (PTPRZ1, RPTP-ζ), an additional IL-34 receptor, was recently identified. Here, we aimed to assess PTPRZ1 expression in IBD and non-IBD intestinal biopsies...
2016: PloS One
https://www.readbyqxmd.com/read/27869449/-diffuse-tenosynovial-giant-cell-tumor-of-the-cervical-spine-destroying-vertebra-c6-a%C3%A2-case-report
#9
Zdeněk Kinkor, Tomáš Svoboda, Petr Grossman, David Bludovský, Filip Heidenreich, Andrej Švec, Iveta Mečiarová
Presented is a case of 59-year-old woman with longstanding neck pain who has been promptly operated for spinal cord compression. Imaging studies disclosed ill-defined cervical paravertebral soft tissue mass at the level of vertebra C5/6 abutting left-sided intervertebral joint and destroying neighboring both vertebral arch and processus spinosus. Submitted specimen was interpreted as a possible metastatic skeletal process by clinicians and referring pathologist favored diagnosis of giant cell tumor/osteoclastoma of the bone...
2016: Ceskoslovenská Patologie
https://www.readbyqxmd.com/read/27862217/genome-wide-transcriptome-profiling-of-the-neoplastic-giant-cell-tumor-of-bone-stromal-cells-by-rna-sequencing
#10
Carol Py Lau, Jamie Sl Kwok, Joseph Cc Tsui, Lin Huang, Kevin Y Yang, Stephen Kw Tsui, Shekhar Madhukar Kumta
Giant cell tumor of bone (GCTB) is the most common non-malignant primary bone tumor reported in Hong Kong. Failure of treatment in advanced GCTB with aggressive local recurrence remains a clinical challenge. In order to reveal the molecular mechanism underlying the pathogenesis of this tumor, we aimed to examine the transcriptome profiling of the neoplastic stromal cells of GCTB in this study. RNA-sequencing was performed on three GCTB stromal cell samples and one bone marrow-derived MSC sample and 174 differentially expressed genes (DEGs) were identified between these two cell types...
November 15, 2016: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/27859216/cooperation-of-mll-af10-om-lz-with-ptpn11-activating-mutation-induced-monocytic-leukemia-with-a-shorter-latency-in-a-mouse-bone-marrow-transplantation-model
#11
Jen-Fen Fu, Sung-Tzu Liang, Ying-Jung Huang, Kung-Hao Liang, Tzung-Hai Yen, Der-Cherng Liang, Lee-Yung Shih
PTPN11 mutation, a RAS signaling pathway mutation, is associated with MLL translocations in acute leukemia. A girl with MLL/AF10 AML was found to carry PTPN11(G503A) . To study the impact of PTPN11(G503A) cooperating with MLL/AF10 on leukemogenesis, we established a retroviral transduction/transplantation mouse model. Compared to the MLL/AF10(OM-LZ) leukemia cells harboring PTPN11(wt) , the cells harboring PTPN11(G503A) were hypersensitive to GM-CSF and IL3, and more resistant to death upon treatment with daunorubicin but sensitive to cytarabine...
March 1, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/27846891/cytokine-and-chemokine-alterations-in-tissue-csf-and-plasma-in-early-presymptomatic-phase-of-experimental-allergic-encephalomyelitis-eae-in-a-rat-model-of-multiple-sclerosis
#12
Nozha Borjini, Mercedes Fernández, Luciana Giardino, Laura Calzà
BACKGROUND: Experimental allergic encephalomyelitis (EAE) is the most commonly used experimental animal model for human multiple sclerosis (MS) that has been used so far to study the acute and remission-relapsing phases of the disease. Despite the vast literature on neuroinflammation onset and progression in EAE, important questions are still open regarding in particular the early asymptomatic phase between immunization and clinical onset. METHODS: In this study, we performed a time-course investigation of neuroinflammation and demyelination biomarkers in the spinal cord (SC), cerebrospinal fluid (CSF), and blood in EAE induced in dark agouti (DA) female rats compared to the controls and adjuvant-injected rats, using high-throughput technologies for gene expression and protein assays and focusing on the time-course between immunization, clinical onset (1, 5, 8 days post-immunization (DPI)), and progression (11 and 18 DPI)...
November 15, 2016: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/27756885/mesenchymal-stem-cells-and-macrophages-interact-through-il-6-to-promote-inflammatory-breast-cancer-in-pre-clinical-models
#13
Adam R Wolfe, Nicholaus J Trenton, Bisrat G Debeb, Richard Larson, Brian Ruffell, Khoi Chu, Walter Hittelman, Michael Diehl, Jim M Reuben, Naoto T Ueno, Wendy A Woodward
Inflammatory breast cancer (IBC) is a unique and deadly disease with unknown drivers. We hypothesized the inflammatory environment contributes to the IBC phenotype. We used an in vitro co-culture system to investigate interactions between normal and polarized macrophages (RAW 264.7 cell line), bone-marrow derived mesenchymal stem cells (MSCs), and IBC cells (SUM 149 and MDA-IBC3). We used an in vivo model that reproduces the IBC phenotype by co-injecting IBC cells with MSCs into the mammary fat pad. Mice were then treated with a macrophage recruitment inhibitor, anti-CSF1...
October 15, 2016: Oncotarget
https://www.readbyqxmd.com/read/27742586/pathogen-dependent-role-of-turbot-scophthalmus-maximus-interferon-gamma
#14
Patricia Pereiro, Gabriel Forn-Cuni, Antonio Figueras, Beatriz Novoa
Interferon-gamma has been typically described as a pro-inflammatory cytokine playing an important role in the resolution of both viral and bacterial diseases. Nevertheless, some anti-inflammatory functions are also attributed to this molecule. In this work we have characterized for the first time the turbot (Scophthalmus maximus) interferon-gamma gene (ifng) and its expression pattern under basal conditions, after type I IFNs administration, and viral and bacterial infection. The intramuscular injection of an expression plasmid encoding turbot Ifng (pMCV1...
December 2016: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/27677742/b-cells-and-macrophages-pursue-a-common-path-toward-the-development-and-progression-of-chronic-lymphocytic-leukemia
#15
REVIEW
G Galletti, F Caligaris-Cappio, M T S Bertilaccio
The development and progression of chronic B-cell tumors depend on a complex microenvironmental network of cells that include monocyte-derived macrophages. In chronic lymphocytic leukemia (CLL) the survival of malignant cells is supported in vitro by nurse-like cells, which differentiate from CD14(+) monocytes and have been identified as tumor-associated macrophages (TAMs). The role of the monocyte/macrophage lineage in CLL has been extensively studied in vitro, but only recently has been investigated in in vivo models...
December 2016: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/27601030/irhom2-regulates-csf1r-cell-surface-expression-and-non-steady-state-myelopoiesis-in-mice
#16
Xiaoping Qing, Lindsay D Rogers, Arthur Mortha, Yonit Lavin, Patricia Redecha, Priya D Issuree, Thorsten Maretzky, Miriam Merad, David R McIlwain, Tak W Mak, Christopher M Overall, Carl P Blobel, Jane E Salmon
CSF1R (colony stimulating factor 1 receptor) is the main receptor for CSF1 and has crucial roles in regulating myelopoeisis. CSF1R can be proteolytically released from the cell surface by ADAM17 (A disintegrin and metalloprotease 17). Here, we identified CSF1R as a major substrate of ADAM17 in an unbiased degradomics screen. We explored the impact of CSF1R shedding by ADAM17 and its upstream regulator, inactive rhomboid protein 2 (iRhom2, gene name Rhbdf2), on homeostatic development of mouse myeloid cells...
December 2016: European Journal of Immunology
https://www.readbyqxmd.com/read/27599777/csf1-is-involved-in-breast-cancer-progression-through-inducing-monocyte-differentiation-and-homing
#17
Jingxian Ding, Chungen Guo, Pinghua Hu, Jun Chen, Qiuming Liu, Xiaobo Wu, Yali Cao, Jiong Wu
Despite the great progress in breast cancer research and treatment, measures for efficient targeting of triple‑negative breast cancer (TNBC) are still lacking. The well‑established dependency of cancer cells on their microenvironment suggests that targeting the tumor niche might form a novel therapeutic approach. We identified the tumor‑associated macrophage (TAM) infiltration in breast cancer tissues by immunohistochemistry, and analyzed overall survival (OS). U937 co‑cultures with MDA‑MB‑231, MDA‑MB‑468 and MCF‑7, respectively, to simulate in vivo cellular interactions were assessed...
November 2016: International Journal of Oncology
https://www.readbyqxmd.com/read/27468759/infiltration-of-myeloid-cells-in-the-pregnant-uterus-is-affected-by-heme-oxygenase-1
#18
Hui Zhao, Flora Kalish, Ronald J Wong, David K Stevenson
Infiltrating myeloid cells in pregnant uteri play critical roles in the establishment of the placenta and maintenance of normal pregnancies. Their recruitment and proliferation are primarily mediated by the interactions of cytokines and chemokines secreted locally with their corresponding receptors. Heme oxygenase-1 (HO-1) has various physiologic properties that contribute to placental vascular development, with deficiencies in HO-1 associated with pregnancy disorders. Here, we investigated the effect of HO-1 on myeloid cell infiltration into pregnant uteri using a partial HO-1-deficient (Het, HO-1(+/-)) mouse model...
January 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/27445344/macrophage-colony-stimulating-factor-csf1-controls-monocyte-production-and-maturation-and-the-steady-state-size-of-the-liver-in-pigs
#19
Kristin A Sauter, Lindsey A Waddell, Zofia M Lisowski, Rachel Young, Lucas Lefevre, Gemma M Davis, Sara M Clohisey, Mary McCulloch, Elizabeth Magowan, Neil A Mabbott, Kim M Summers, David A Hume
Macrophage colony-stimulating factor (CSF1) is an essential growth and differentiation factor for cells of the macrophage lineage. To explore the role of CSF1 in steady-state control of monocyte production and differentiation and tissue repair, we previously developed a bioactive protein with a longer half-life in circulation by fusing pig CSF1 with the Fc region of pig IgG1a. CSF1-Fc administration to pigs expanded progenitor pools in the marrow and selectively increased monocyte numbers and their expression of the maturation marker CD163...
September 1, 2016: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/27428900/on-demand-erythrocyte-disposal-and-iron-recycling-requires-transient-macrophages-in-the-liver
#20
Igor Theurl, Ingo Hilgendorf, Manfred Nairz, Piotr Tymoszuk, David Haschka, Malte Asshoff, Shun He, Louisa M S Gerhardt, Tobias A W Holderried, Markus Seifert, Sieghart Sopper, Ashley M Fenn, Atsushi Anzai, Sara Rattik, Cameron McAlpine, Milan Theurl, Peter Wieghofer, Yoshiko Iwamoto, Georg F Weber, Nina K Harder, Benjamin G Chousterman, Tara L Arvedson, Mary McKee, Fudi Wang, Oliver M D Lutz, Emanuele Rezoagli, Jodie L Babitt, Lorenzo Berra, Marco Prinz, Matthias Nahrendorf, Guenter Weiss, Ralph Weissleder, Herbert Y Lin, Filip K Swirski
Iron is an essential component of the erythrocyte protein hemoglobin and is crucial to oxygen transport in vertebrates. In the steady state, erythrocyte production is in equilibrium with erythrocyte removal. In various pathophysiological conditions, however, erythrocyte life span is compromised severely, which threatens the organism with anemia and iron toxicity. Here we identify an on-demand mechanism that clears erythrocytes and recycles iron. We show that monocytes that express high levels of lymphocyte antigen 6 complex, locus C1 (LY6C1, also known as Ly-6C) ingest stressed and senescent erythrocytes, accumulate in the liver via coordinated chemotactic cues, and differentiate into ferroportin 1 (FPN1, encoded by SLC40A1)-expressing macrophages that can deliver iron to hepatocytes...
August 2016: Nature Medicine
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