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https://www.readbyqxmd.com/read/28336462/the-molecular-mechanisms-of-androgen-receptor-in-nephrolithiasis
#1
Ziyu Fang, Yonghan Peng, Ling Li, Min Liu, Zeyu Wang, Shaoxiong Ming, Wenhui Zhang, Xiaofeng Gao
OBJECTIVES: This study aimed to investigate the molecular mechanisms of androgen receptor (AR) in nephrolithiasis. METHODS: Human kidney 2(HK-2) cells were transfected with Lentiviruses expressing AR (DEC-AR), shRNA targeting AR (sh-AR) or the empty vector control using the pLEX lentiviral vector system. The expression levels of AR were measured by qRT-PCR at 72h postinfection, and cells under different treatments were collected for microarray analysis. Differentially expressed genes (DEGs) were identified using Student's t-test...
March 21, 2017: Gene
https://www.readbyqxmd.com/read/28272478/erythro-myeloid-progenitors-can-differentiate-from-endothelial-cells-and-modulate-embryonic-vascular-remodeling
#2
Bahar Kasaai, Vincenza Caolo, Hanna M Peacock, Stephanie Lehoux, Elisa Gomez-Perdiguero, Aernout Luttun, Elizabeth A V Jones
Erythro-myeloid progenitors (EMPs) were recently described to arise from the yolk sac endothelium, just prior to vascular remodeling, and are the source of adult/post-natal tissue resident macrophages. Questions remain, however, concerning whether EMPs differentiate directly from the endothelium or merely pass through. We provide the first evidence in vivo that EMPs can emerge directly from endothelial cells (ECs) and demonstrate a role for these cells in vascular development. We find that EMPs express most EC markers but late EMPs and EMP-derived cells do not take up acetylated low-density lipoprotein (AcLDL), as ECs do...
March 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28263993/analysis-of-the-human-monocyte-derived-macrophage-transcriptome-and-response-to-lipopolysaccharide-provides-new-insights-into-genetic-aetiology-of-inflammatory-bowel-disease
#3
J Kenneth Baillie, Erik Arner, Carsten Daub, Michiel De Hoon, Masayoshi Itoh, Hideya Kawaji, Timo Lassmann, Piero Carninci, Alistair R R Forrest, Yoshihide Hayashizaki, Geoffrey J Faulkner, Christine A Wells, Michael Rehli, Paul Pavli, Kim M Summers, David A Hume
The FANTOM5 consortium utilised cap analysis of gene expression (CAGE) to provide an unprecedented insight into transcriptional regulation in human cells and tissues. In the current study, we have used CAGE-based transcriptional profiling on an extended dense time course of the response of human monocyte-derived macrophages grown in macrophage colony-stimulating factor (CSF1) to bacterial lipopolysaccharide (LPS). We propose that this system provides a model for the differentiation and adaptation of monocytes entering the intestinal lamina propria...
March 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28258292/immunoregulatory-properties-of-the-cytokine-il-34
#4
REVIEW
Carole Guillonneau, Séverine Bézie, Ignacio Anegon
Interleukin-34 is a cytokine with only partially understood functions, described for the first time in 2008. Although IL-34 shares very little homology with CSF-1 (CSF1, M-CSF), they share a common receptor CSF-1R (CSF-1R) and IL-34 has also two distinct receptors (PTP-ζ) and CD138 (syndecan-1). To make the situation more complex, IL-34 has also been shown as pairing with CSF-1 to form a heterodimer. Until now, studies have demonstrated that this cytokine is released by some tissues that differ to those where CSF-1 is expressed and is involved in the differentiation and survival of macrophages, monocytes, and dendritic cells in response to inflammation...
March 3, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28256556/an-inflammatory-gene-signature-distinguishes-neurofibroma-schwann-cells-and-macrophages-from-cells-in-the-normal-peripheral-nervous-system
#5
Kwangmin Choi, Kakajan Komurov, Jonathan S Fletcher, Edwin Jousma, Jose A Cancelas, Jianqiang Wu, Nancy Ratner
Neurofibromas are benign peripheral nerve tumors driven by NF1 loss in Schwann cells (SCs). Macrophages are abundant in neurofibromas, and macrophage targeted interventions may have therapeutic potential in these tumors. We generated gene expression data from fluorescence-activated cell sorted (FACS) SCs and macrophages from wild-type and mutant nerve and neurofibroma to identify candidate pathways involved in SC-macrophage cross-talk. While in 1-month-old Nf1 mutant nerve neither SCs nor macrophages significantly differed from their normal counterparts, both macrophages and SCs showed significantly altered cytokine gene expression in neurofibromas...
March 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28244110/the-p2x7-receptor-links-mechanical-strain-to-cytokine-il-6-upregulation-and-release-in-neurons-and-astrocytes
#6
Wennan Lu, Farraj Albalawi, Jonathan M Beckel, Jason C Lim, Alan M Laties, Claire H Mitchell
BACKGROUND: Mechanical strain in neural tissues can lead to the upregulation and release of multiple cytokines including IL-6. In the retina, the mechanosensitive release of ATP can autostimulate P2X7 receptors on both retinal ganglion cell neurons and optic nerve head astrocytes. Here we asked whether the purinergic signaling contributed to the IL-6 response to increased intraocular pressure (IOP) in vivo, and stretch or swelling in vitro. METHODS: Rat and mouse eyes were exposed to non-ischemic elevations in IOP to 50-60 mmHg for 4 hrs...
February 28, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28238777/up-regulation-of-igf-1-in-the-frontal-cortex-of-piglets-exposed-to-an-environmentally-enriched-arena
#7
Sarah M Brown, Rebecca Peters, Alistair B Lawrence
Environmental enrichment (EE) is widely used in the life sciences to study effects of environment on the brain. In pigs, despite lack of EE being a key welfare issue there is little understanding of brain effects of EE in pigs. This project aimed to study the effects of exposure to an EE arena on piglet behaviours and on brain gene expression levels with a focus on IGF-1 and related genes. Eight litters of large white×landrace×Hampshire piglets were farrowed and raised in a free farrowing system (PigSAFE)...
February 24, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28236968/regulation-of-embryonic-and-postnatal-development-by-the-csf-1-receptor
#8
Violeta Chitu, E Richard Stanley
Macrophages are found in all tissues and regulate tissue morphogenesis during development through trophic and scavenger functions. The colony stimulating factor-1 (CSF-1) receptor (CSF-1R) is the major regulator of tissue macrophage development and maintenance. In combination with receptor activator of nuclear factor κB (RANK), the CSF-1R also regulates the differentiation of the bone-resorbing osteoclast and controls bone remodeling during embryonic and early postnatal development. CSF-1R-regulated macrophages play trophic and remodeling roles in development...
2017: Current Topics in Developmental Biology
https://www.readbyqxmd.com/read/28231264/precision-engineering-for-prrsv-resistance-in-pigs-macrophages-from-genome-edited-pigs-lacking-cd163-srcr5-domain-are-fully-resistant-to-both-prrsv-genotypes-while-maintaining-biological-function
#9
Christine Burkard, Simon G Lillico, Elizabeth Reid, Ben Jackson, Alan J Mileham, Tahar Ait-Ali, C Bruce A Whitelaw, Alan L Archibald
Porcine Reproductive and Respiratory Syndrome (PRRS) is a panzootic infectious disease of pigs, causing major economic losses to the world-wide pig industry. PRRS manifests differently in pigs of all ages but primarily causes late-term abortions and stillbirths in sows and respiratory disease in piglets. The causative agent of the disease is the positive-strand RNA PRRS virus (PRRSV). PRRSV has a narrow host cell tropism, limited to cells of the monocyte/macrophage lineage. CD163 has been described as a fusion receptor for PRRSV, whereby the scavenger receptor cysteine-rich domain 5 (SRCR5) region was shown to be an interaction site for the virus in vitro...
February 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28126974/-hereditary-diffuse-leukoencephalopathy-with-spheroids-hdls-clinical-characteristics-and-pathomechanistic-insights
#10
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
#11
REVIEW
Sarah J Potter, Tony DeFalco
Intricate cellular and molecular interactions ensure that 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 and peritubular myoid cells) cells and their role in regulating the SSC self-renewal and differentiation in mammals...
April 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
#12
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
#13
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...
December 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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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