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IFITM5

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https://www.readbyqxmd.com/read/28161961/genome-wide-gene-expression-pattern-underlying-differential-host-response-to-high-or-low-pathogenic-h5n1-avian-influenza-virus-in-ducks
#1
A Kumar, P Vijayakumar, P N Gandhale, P B Ranaware, H Kumar, D D Kulkarni, A A Raut, A Mishra
The differences in the influenza viral pathogenesis observed between different pathogenic strains are associated with distinct properties of virus strains and the host immune responses. In order to determine the differences in the duck immune response against two different pathogenic strains, we studied genome-wide host immune gene response of ducks infected with A/duck/India/02CA10/2011 and A/duck/Tripura/103597/2008 H5N1 viruses using custom-designed microarray. A/duck/India/02CA10/2011 is highly pathogenic virus (HP) to ducks, whereas A/duck/Tripura/103597/2008 is a low pathogenic (LP) virus strain...
February 6, 2017: Acta Virologica
https://www.readbyqxmd.com/read/28123530/effects-of-the-overexpression-of-ifitm5-and-ifitm5-c-14c-t-mutation-on-human-osteosarcoma-cells
#2
Bao-Yan Liu, Yan-Qin Lu, Feng Han, Yong Wang, Xin-Kai Mo, Jin-Xiang Han
The present study aimed to investigate the effects of overexpression of interferon-induced transmembrane protein 5 (IFITM5) and IFITM5 c.-14C>T mutation on osteogenic differentiation, and the proliferation, migration and invasion of SaOS2 cells. SaOS2 cells were transfected with plasmids containing wild type IFITM5 (W) or IFITM5 containing the c.-14C>T mutation (MU). The mRNA and protein expression levels of IFITM5 in SaOS2 cells were respectively detected by reverse transcription quantitative polymerase chain reaction and western blotting...
January 2017: Oncology Letters
https://www.readbyqxmd.com/read/28116328/molecular-spectrum-and-differential-diagnosis-in-patients-referred-with-sporadic-or-autosomal-recessive-osteogenesis-imperfecta
#3
Jose A Caparros-Martin, Mona S Aglan, Samia Temtamy, Ghada A Otaify, Maria Valencia, Julián Nevado, Elena Vallespin, Angela Del Pozo, Carmen Prior de Castro, Lucia Calatrava-Ferreras, Pilar Gutierrez, Ana M Bueno, Belen Sagastizabal, Encarna Guillen-Navarro, Maria Ballesta-Martinez, Vanesa Gonzalez, Sarenur Y Basaran, Ruksan Buyukoglan, Bilge Sarikepe, Cecilia Espinoza-Valdez, Francisco Cammarata-Scalisi, Victor Martinez-Glez, Karen E Heath, Pablo Lapunzina, Victor L Ruiz-Perez
BACKGROUND: Osteogenesis imperfecta (OI) is a heterogeneous bone disorder characterized by recurrent fractures. Although most cases of OI have heterozygous mutations in COL1A1 or COL1A2 and show autosomal dominant inheritance, during the last years there has been an explosion in the number of genes responsible for both recessive and dominant forms of this condition. Herein, we have analyzed a cohort of patients with OI, all offspring of unaffected parents, to determine the spectrum of variants accounting for these cases...
January 2017: Molecular Genetics & Genomic Medicine
https://www.readbyqxmd.com/read/28040064/klf5-is-involved-in-regulation-of-ifitm1-2-and-3-genes-during-h5n1-virus-infection-in-a549-cells
#4
H-F Wang, L Chen, J Luo, H-X He
The interferon-induced transmembrane (IFITM) proteins usually protect cells from many virus infections by viral entry and replication. Thus, the present study aimed to identification novel regulation factors of IFITM genes. Our data showed up-regulation of IFITM1, IFITM2, and IFITM3 genes in A549 by H5N1 virus infection. However, IFITM1 was not affected, IFITM2 and IFITM3 increases expression following different concentration H5N1 virus infection in HEK293T cells. This is the first time to find differences of IFITM1 transcription in different cells with the H5N1 virus infection...
November 30, 2016: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/27678411/osteogenesis-imperfecta-type-v-genetic-and-clinical-findings-in-eleven-chinese-patients
#5
Yi Liu, Jiawei Wang, Doudou Ma, Fang Lv, Xiaojie Xu, Weibo Xia, Yan Jiang, Ou Wang, Xiaoping Xing, Peiran Zhou, Jianyi Wang, Wei Yu, Mei Li
INTRODUCTION: Osteogenesis imperfecta (OI) type V is a rare inherited disease characterized by multiple fractures, intraosseous membrane calcification, and hypercallus formation. We investigate the causative gene, phenotype and also observe the effects of zoledronic acid in Chinese OI type V patients. METHODS: The clinical phenotype and causative gene mutation was investigated in eleven patients with type V OI. Patients were given a dose of zoledronic acid 5mg intravenously...
November 1, 2016: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/27509835/dna-sequence-analysis-in-598-individuals-with-a-clinical-diagnosis-of-osteogenesis-imperfecta-diagnostic-yield-and-mutation-spectrum
#6
G Bardai, P Moffatt, F H Glorieux, F Rauch
: We detected disease-causing mutations in 585 of 598 individuals (98 %) with typical features of osteogenesis imperfecta (OI). In mild OI, only collagen type I encoding genes were involved. In moderate to severe OI, mutations in 12 different genes were found; 11 % of these patients had mutations in recessive genes. INTRODUCTION: OI is usually caused by mutations in COL1A1 or COL1A2, the genes encoding collagen type I alpha chains, but mutations in at least 16 other genes have also been associated with OI...
August 11, 2016: Osteoporosis International
https://www.readbyqxmd.com/read/27384652/the-interferon-stimulated-gene-ifitm3-restricts-west-nile-virus-infection-and-pathogenesis
#7
Matthew J Gorman, Subhajit Poddar, Michael Farzan, Michael S Diamond
UNLABELLED: The interferon-induced transmembrane protein (IFITM) family of proteins inhibit infection of several different enveloped viruses in cell culture by virtue of their ability to restrict entry and fusion from late endosomes. As few studies have evaluated the importance of Ifitm3 in vivo in restricting viral pathogenesis, we investigated its significance as an antiviral gene against West Nile virus (WNV), an encephalitic flavivirus, in cells and mice. Ifitm3(-/-) mice were more vulnerable to lethal WNV infection, and this was associated with greater virus accumulation in peripheral organs and central nervous system tissues...
September 15, 2016: Journal of Virology
https://www.readbyqxmd.com/read/27071061/genome-wide-host-gene-expression-analysis-in-chicken-lungs-infected-with-avian-influenza-viruses
#8
Pradip B Ranaware, Anamika Mishra, Periyasamy Vijayakumar, Pradeep N Gandhale, Himanshu Kumar, Diwakar D Kulkarni, Ashwin Ashok Raut
The molecular pathogenesis of avian influenza infection varies greatly with individual bird species and virus strain. The molecular pathogenesis of the highly pathogenic avian influenza virus (HPAIV) or the low pathogenic avian influenza virus (LPAIV) infection in avian species remains poorly understood. Thus, global immune response of chickens infected with HPAI H5N1 (A/duck/India/02CA10/2011) and LPAI H9N2 (A/duck/India/249800/2010) viruses was studied using microarray to identify crucial host genetic components responsive to these infection...
2016: PloS One
https://www.readbyqxmd.com/read/27029692/worsening-of-callus-hyperplasia-after-bisphosphonate-treatment-in-type-v-osteogenesis-imperfecta
#9
Prajnya Ranganath, Joshi Stephen, Raju Iyengar, Shubha R Phadke
BACKGROUND: Type V osteogenesis imperfecta is characterized by hyperplastic callus formation and interosseus membrane calcification. CASE CHARACTERISTICS: A 16-year-old boy who presented with history of recurrent fractures, had hard persistent swellings at fracture sites, and had radiographic features of hyperplastic callus and interosseus membrane calcification. OUTCOME: Sequence analysis of the IFITM5 gene revealed the c.-14 C>T mutation...
March 2016: Indian Pediatrics
https://www.readbyqxmd.com/read/26648832/clinical-and-molecular-characterization-of-osteogenesis-imperfecta-type-v
#10
Evelise Brizola, Eduardo P Mattos, Jessica Ferrari, Patricia O A Freire, Raquel Germer, Juan C Llerena, Têmis M Félix
Osteogenesis imperfecta type V (OI-V) has a wide clinical variability, with distinct clinical/radiological features, such as calcification of the interosseous membrane (CIM) between the radius-ulna and/or tibia-fibula, hyperplastic callus (HPC) formation, dislocation of the radial head (DRH), and absence of dentinogenesis imperfecta (DI). Recently, a single heterozygous mutation (c.-14C>T) in the 5'UTR of the IFITM5 gene was identified to be causative for OI-V. Here, we describe 7 individuals from 5 unrelated families that carry the c...
October 2015: Molecular Syndromology
https://www.readbyqxmd.com/read/26566591/what-every-clinical-geneticist-should-know-about-testing-for-osteogenesis-imperfecta-in-suspected-child-abuse-cases
#11
REVIEW
Melanie G Pepin, Peter H Byers
Non-accidental injury (NAI) is a major medical concern in the United States. One of the challenges in evaluation of children with unexplained fractures is that genetic forms of bone fragility are one of the differential diagnoses. Infants who present with fractures with mild forms of osteogenesis imperfecta (OI) (OI type I or OI type IV), the most common genetic form of bone disease leading to fractures might be missed if clinical evaluation alone is used to make the diagnosis. Diagnostic clinical features (blue sclera, dentinogenesis imperfecta, Wormian bones on X-rays or positive family history) may not be present or apparent at the age of evaluation...
December 2015: American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
https://www.readbyqxmd.com/read/26488234/differences-in-the-calcification-of-preosteoblast-cultured-on-sputter-deposited-titanium-zirconium-and-gold
#12
Peng Chen, Akiko Nagai, Yusuke Tsutsumi, Maki Ashida, Hisashi Doi, Takao Hanawa
In this study, osteogenic differentiation and calcification of preosteoblast (MC3T3-E1) cultured on sputter-deposited titanium (Ti), zirconium (Zr), and gold (Au) on cover glasses were evaluated to understand the differences in bone formation ability among these three metals; these metals show the same high corrosion resistance, but Ti and Zr are covered by surface passive oxide film while Au is not covered by the oxide film. Ti and Zr promoted cellular proliferation without osteogenic differentiation. Cells cultured on Ti and Zr expressed higher levels of Runx2, Col1α1, and Akp2 at an earlier stage, which indicated faster promotion of osteogenic differentiation, as compared to those cultured on Au...
October 21, 2015: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/26468537/duck-interferon-inducible-transmembrane-protein-3-mediates-restriction-of-influenza-viruses
#13
Graham A D Blyth, Wing Fuk Chan, Robert G Webster, Katharine E Magor
UNLABELLED: Interferon-inducible transmembrane proteins (IFITMs) can restrict the entry of a wide range of viruses. IFITM3 localizes to endosomes and can potently restrict the replication of influenza A viruses (IAV) and several other viruses that also enter host cells through the endocytic pathway. Here, we investigate whether IFITMs are involved in protection in ducks, the natural host of influenza virus. We identify and sequence duck IFITM1, IFITM2, IFITM3, and IFITM5. Using quantitative PCR (qPCR), we demonstrate the upregulation of these genes in lung tissue in response to highly pathogenic IAV infection by 400-fold, 30-fold, 30-fold, and 5-fold, respectively...
October 14, 2015: Journal of Virology
https://www.readbyqxmd.com/read/26031935/ifitm5-mutations-and-osteogenesis-imperfecta
#14
REVIEW
Nobutaka Hanagata
Interferon-induced transmembrane protein 5 (IFITM5) is an osteoblast-specific membrane protein that has been shown to be a positive regulatory factor for mineralization in vitro. However, Ifitm5 knockout mice do not exhibit serious bone abnormalities, and thus the function of IFITM5 in vivo remains unclear. Recently, a single point mutation (c.-14C>T) in the 5' untranslated region of IFITM5 was identified in patients with osteogenesis imperfecta type V (OI-V). Furthermore, a single point mutation (c.119C>T) in the coding region of IFITM5 was identified in OI patients with more severe symptoms than patients with OI-V...
March 2016: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/25505077/analysis-of-the-early-immune-response-to-infection-by-infectious-bursal-disease-virus-in-chickens-differing-in-their-resistance-to-the-disease
#15
COMPARATIVE STUDY
Jacqueline Smith, Jean-Remy Sadeyen, Colin Butter, Pete Kaiser, David W Burt
UNLABELLED: Chicken whole-genome gene expression arrays were used to analyze the host response to infection by infectious bursal disease virus (IBDV). Spleen and bursal tissue were examined from control and infected birds at 2, 3, and 4 days postinfection from two lines that differ in their resistance to IBDV infection. The host response was evaluated over this period, and differences between susceptible and resistant chicken lines were examined. Antiviral genes, including IFNA, IFNG, MX1, IFITM1, IFITM3, and IFITM5, were upregulated in response to infection...
March 2015: Journal of Virology
https://www.readbyqxmd.com/read/25343121/effects-of-targeted-modulation-of-mir-762-on-expression-of-the-ifitm5-gene-in-saos-2-cells
#16
Xinkai Mo, Yanqin Lu, Jinxiang Han
Interferon-induced transmembrane protein 5 (IFITM5) is an osteoblast-specific membrane protein that plays an important role in the mineralization of the matrix in mature osteoblasts. However, understanding of the regulatory mechanism of IFITM5 expression is limited. Emerging evidence indicates that microRNAs (miRNAs) act as pivotal regulators in various biological processes including osteoblast proliferation and differentiation. This study aimed to investigate the impact of miRNAs on IFITM5 expression. Bioinformatic analyses predicted that miR-762 would be a potential regulator of IFITM5...
February 2014: Intractable & Rare Diseases Research
https://www.readbyqxmd.com/read/25251575/a-transgenic-mouse-model-of-oi-type-v-supports-a-neomorphic-mechanism-of-the-ifitm5-mutation
#17
Caressa D Lietman, Ronit Marom, Elda Munivez, Terry K Bertin, Ming-Ming Jiang, Yuqing Chen, Brian Dawson, Mary Ann Weis, David Eyre, Brendan Lee
Osteogenesis imperfecta (OI) type V is characterized by increased bone fragility, long bone deformities, hyperplastic callus formation, and calcification of interosseous membranes. It is caused by a recurrent mutation in the 5' UTR of the IFITM5 gene (c.-14C > T). This mutation introduces an alternative start codon, adding 5 amino acid residues to the N-terminus of the protein. The mechanism whereby this novel IFITM5 protein causes OI type V is yet to be defined. To address this, we created transgenic mice expressing either the wild-type or the OI type V mutant IFITM5 under the control of an osteoblast-specific Col1a1 2...
March 2015: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/25046257/what-is-new-in-genetics-and-osteogenesis-imperfecta-classification
#18
REVIEW
Eugênia R Valadares, Túlio B Carneiro, Paula M Santos, Ana Cristina Oliveira, Bernhard Zabel
OBJECTIVE: Literature review of new genes related to osteogenesis imperfecta (OI) and update of its classification. SOURCES: Literature review in the PubMed and OMIM databases, followed by selection of relevant references. SUMMARY OF THE FINDINGS: In 1979, Sillence et al. developed a classification of OI subtypes based on clinical features and disease severity: OI type I, mild, common, with blue sclera; OI type II, perinatal lethal form; OI type III, severe and progressively deforming, with normal sclera; and OI type IV, moderate severity with normal sclera...
November 2014: Jornal de Pediatria
https://www.readbyqxmd.com/read/24715519/topological-mapping-of-bril-reveals-a-type-ii-orientation-and-effects-of-osteogenesis-imperfecta-mutations-on-its-cellular-destination
#19
Alexa Patoine, Marie-Hélène Gaumond, Prashant K Jaiswal, François Fassier, Frank Rauch, Pierre Moffatt
BRIL/IFITM5 is a membrane protein present almost exclusively in osteoblasts, which is believed to adopt a type III (N-out/C-out) topology. Mutations in IFITM5 cause OI type V, but the characteristics of the mutant protein and the mechanism involved are still unknown. The purpose of the current study was to re-assess the topology, localization, and biochemical properties of BRIL and compare it to the OI type V mutant in MC3T3 osteoblasts. Immunofluorescence labeling was performed with antibodies directed against BRIL N- or C-terminus...
September 2014: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/24674092/the-ifitm5-mutation-c-14c-t-results-in-an-elongated-transcript-expressed-in-human-bone-and-causes-varying-phenotypic-severity-of-osteogenesis-imperfecta-type-v
#20
Syndia Lazarus, Aideen M McInerney-Leo, Fiona A McKenzie, Gareth Baynam, Stephanie Broley, Barbra V Cavan, Craig F Munns, Johannes Egbertus Hans Pruijs, David Sillence, Paulien A Terhal, Karena Pryce, Matthew A Brown, Andreas Zankl, Gethin Thomas, Emma L Duncan
BACKGROUND: The genetic mutation resulting in osteogenesis imperfecta (OI) type V was recently characterised as a single point mutation (c.-14C > T) in the 5' untranslated region (UTR) of IFITM5, a gene encoding a transmembrane protein with expression restricted to skeletal tissue. This mutation creates an alternative start codon and has been shown in a eukaryotic cell line to result in a longer variant of IFITM5, but its expression has not previously been demonstrated in bone from a patient with OI type V...
March 27, 2014: BMC Musculoskeletal Disorders
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