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https://www.readbyqxmd.com/read/28530326/-serum-thyroglobulin-levels-and-estimated-iodine-intake-in-adults-exposed-to-iodine%C3%A2-diluted-desalinated-drinking-water
#1
Dov Gefel, Svetlana Turkot, Dorit Aharoni, Shlomo Fytlovich, Yaniv S Ovadia
AIMS: The aim of this study was to describe thyroglobulin levels and iodine intake estimations in a convenience sample of Israeli adults without TD in the Ashkelon District, where SWRO desalination has become the major source of drinking water. BACKGROUND: Iodine deficiency (ID) is a significant risk factor for thyroid disease (TD). Recently, there were increases in both selfreported use of TD medication among Israeli adults and the national use of sea water reverse osmosis (SWRO) desalinated water...
August 2016: Harefuah
https://www.readbyqxmd.com/read/28529323/an-immunogenic-phenotype-in-paternal-antigen-specific-cd8-t-cells-at-embryo-implantation-elicits-later-fetal-loss-in-mice
#2
Lachlan M Moldenhauer, Kerrilyn R Diener, John D Hayball, Sarah A Robertson
Central to pregnancy success is a state of T cell tolerance to paternal antigens, which is initiated at conception. The role and regulation of specific phenotypes of CD8(+) T cells in mediating pregnancy tolerance is not clear. This study aimed to investigate the impact on pregnancy outcome of altering the cytokine environment during maternal CD8(+) T cell priming in early pregnancy. Transgenic Act-mOVA male mice were mated to C57BL/6 (B6) females to generate fetuses expressing ovalbumin (OVA) as a model paternal antigen...
May 22, 2017: Immunology and Cell Biology
https://www.readbyqxmd.com/read/28529307/genetic-deletion-of-sost-or-pharmacological-inhibition-of-sclerostin-prevent-multiple-myeloma-induced-bone-disease-without-affecting-tumor-growth
#3
J Delgado-Calle, J Anderson, M D Cregor, K W Condon, S A Kuhstoss, L I Plotkin, T Bellido, G D Roodman
Multiple myeloma (MM) causes lytic bone lesions due to increased bone resorption and concomitant marked suppression of bone formation. Sclerostin (Scl) levels, an osteocyte-derived inhibitor of Wnt/β-catenin signaling, are elevated in MM patient sera and are increased in osteocytes in MM-bearing mice. We show here that genetic deletion of Sost, the gene encoding Scl, prevented MM-induced bone disease in an immune-deficient mouse model of early MM, and that administration of anti-Scl antibody (Scl-Ab) increased bone mass and decreases osteolysis in immune-competent mice with established MM...
May 22, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28529001/a-single-intranasal-administration-of-virus-like-particle-vaccine-induces-an-efficient-protection-for-mice-against-human-respiratory-syncytial-virus
#4
Yue-Ying Jiao, Yuan-Hui Fu, Yi-Fei Yan, Ying Hua, Yao Ma, Xiu-Juan Zhang, Jing-Dong Song, Xiang-Lei Peng, Jiaqiang Huang, Tao Hong, Jin-Sheng He
Human respiratory syncytial virus (RSV) is an important pediatric pathogen causing acute viral respiratory disease in infants and young children. However, no licensed vaccines are currently available. Virus-like particles (VLPs) may bring new hope to producing RSV VLP vaccine with high immunogenicity and safety. Here, we constructed the recombinants of matrix protein (M) and fusion glycoprotein (F) of RSV, respectively into a replication-deficient first-generation adenoviral vector (FGAd), which were used to co-infect Vero cells to assemble RSV VLPs successfully...
May 18, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28528167/cxcl1-inhibition-regulates-uvb-induced-skin-inflammation-and-tumorigenesis-in-xpa-deficient-mice
#5
Makoto Kunisada, Chieko Hosaka, Chihiro Takemori, Eiji Nakano, Chikako Nishigori
Xeroderma pigmentosum complementation group A (XP-A) is a hereditary disease characterized by early onset of skin cancers and freckles-like pigmented maculae in the sun-exposed sites. Although etiology of predisposition to UV-induced skin tumors in XP-A is well investigated as a repair deficiency in UV-induced DNA damage, the mechanism of exaggerated sunburn in patients with XP-A and whether UV-induced inflammation relates to skin tumor-prone phenotype remains to be elucidated. Using gene profiling of XP-A model mice, Xpa-deficient mice, we found that expression of CXCL1 in the skin and blood levels of in Xpa-deficient mice increased significantly after UVB exposure at an even a limited area in comparison to those of wild-type mice...
May 17, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28527286/-possible-oral-transmission-of-chagas-disease-among-hydrocarbons-sector-workers-in-casanare-colombia-2014
#6
Liliana Patricia Zuleta-Dueñas, Ángela Johana López-Quiroga, Fernando Torres-Torres, Oneida Castañeda-Porras
INTRODUCTION: Trypanosoma cruzi, the etiological agent for Chagas disease, can be transmitted by oral intake of contaminated food or drinks. During epidemiological week 14 of 2014, two cases of acute Chagas disease were notified among hydrocarbons sector workers in Paz de Ariporo, Casanare. OBJECTIVE: To characterize the affected population, to establish control and prevention measures and to confirm the outbreak. MATERIALS AND METHODS: We conducted an outbreak investigation that included the following components: a) Search for symptomatic people compatible with Chagas disease according to the case definition for their referral to medical services; b) entomological survey (192/197 houses); c) sanitary inspection and microbiological analysis of food samples; and d) study of reservoirs...
June 1, 2017: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/28525591/f4-80-macrophages-contribute-to-clearance-of-senescent-cells-in-the-mouse-postpartum-uterus
#7
Mahiro Egashira, Yasushi Hirota, Ryoko Shimizu-Hirota, Tomoko Saito-Fujita, Hirofumi Haraguchi, Leona Matsumoto, Mitsunori Matsuo, Takehiro Hiraoka, Tomoki Tanaka, Shun Akaeda, Chiaki Takehisa, Mayuko Saito-Kanatani, Kei-Ichiro Maeda, Tomoyuki Fujii, Yutaka Osuga
Cellular senescence, defined as an irreversible cell cycle arrest, exacerbates tissue microenvironment. Our previous study demonstrated that mouse uterine senescent cells are physiologically increased according to gestational days and their abnormal accumulation is linked to the onset of preterm delivery. We hypothesized that there is a mechanism for removal of senescent cells after parturition to maintain uterine function. In the current study, we noted abundant uterine senescent cells and their gradual disappearance in the wild-type postpartum mice...
May 18, 2017: Endocrinology
https://www.readbyqxmd.com/read/28523025/association-of-vitamin-d-insufficiency-deficiency-with-thyroid-artery-doppler-ultrasonography-in-patients-with-hashimoto-thyroiditis
#8
Ahmet Nalbant, Ayhan Aydin, Alper Karacan, Attila Onmez, Ali Tamer, Hakan Cinemre
BACKGROUND & OBJECTIVE: During the course of the autoimmune thyroid diseases, ultrasonography change parallel to histopathology. Vitamin D is associated with autoimmune diseases and thus can affect thyroid blood flow. Our aim was to investigate the relationship between vitamin D insufficiency/deficiency and thyroid hemodynamic indices in patients with Hashimoto thyroiditis. METHODS: A total of 93 patients who presented to Sakarya University Endocrinology outpatient clinic from April to September 2016 and diagnosed with Hashimoto thyroiditis were included in this study...
March 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28522011/vaccination-with-a-live-attenuated-acinetobacter-baumannii-deficient-in-thioredoxin-provides-protection-against-systemic-acinetobacter-infection
#9
Sarah Ainsworth, Patrick M Ketter, Jieh-Juen Yu, Rose C Grimm, Holly C May, Andrew P Cap, James P Chambers, M Neal Guentzel, Bernard P Arulanandam
Multi-drug resistant Acinetobacter baumannii (MDR-Ab), an opportunistic pathogen associated with nosocomial and combat related infections, has a high mortality due to its virulence and limited treatment options. Deletion of the thioredoxin gene (TrxA) from a clinical isolate of MDR-Ab resulted in a 100-fold increase in 50% lethal dose (LD50) in a systemic challenge murine model. Thus, we investigated the potential use of this attenuated strain as a live vaccine against MDR-Ab. Mice were vaccinated by subcutaneous (s...
May 15, 2017: Vaccine
https://www.readbyqxmd.com/read/28521298/insulin-like-growth-factor-2-axis-supports-the-serum-independent-growth-of-malignant-rhabdoid-tumor-and-is-activated-by-microenvironment-stress
#10
Ting Li, Jin Wang, Pengfei Liu, Jiadong Chi, Han Yan, Lei Lei, Zexing Li, Bing Yang, Xi Wang
Malignant rhabdoid tumors (MRTs) are rare, lethal, pediatric tumors predominantly found in the kidney, brain and soft tissues. MRTs are driven by loss of tumor suppressor SNF5/INI1/SMARCB1/BAF47. The prognosis of MRT is poor using currently available treatments, so new treatment targets need to be identified to expand treatment options for patients experiencing chemotherapy resistance. The growth hormone insulin-like growth factor 2 (IGF2) signaling pathway is a promising target to overcome drug resistance in many cancers...
May 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28520207/comparison-of-f13a1-gene-mutations-in-73-patients-treated-with-recombinant-fxiii-a2
#11
V Ivaškevičius, A Biswas, M-L Garly, J Oldenburg
INTRODUCTION: Congenital factor XIII (FXIII) deficiency is a rare, autosomal recessive bleeding disorder usually caused by mutations in the F13A1 gene that produce a severe quantitative (type I) deficiency of the FXIII-A subunit. AIM: To determine the genotypes of patients with severe FXIII-A deficiency treated with recombinant FXIII-A subunit (rFXIII-A2 ) participating in three international efficacy and safety trials. METHODS: We determined the genotypes of 73 patients in total; 32 had already undergone genotype analysis and were known to carry F13A1 mutations that have been previously reported in the literature...
May 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/28516949/paroxysmal-nocturnal-haemoglobinuria
#12
REVIEW
Anita Hill, Amy E DeZern, Taroh Kinoshita, Robert A Brodsky
Paroxysmal nocturnal haemoglobinuria (PNH) is a clonal haematopoietic stem cell (HSC) disease that presents with haemolytic anaemia, thrombosis and smooth muscle dystonias, as well as bone marrow failure in some cases. PNH is caused by somatic mutations in PIGA (which encodes phosphatidylinositol N-acetylglucosaminyltransferase subunit A) in one or more HSC clones. The gene product of PIGA is required for the biosynthesis of glycosylphosphatidylinositol (GPI) anchors; thus, PIGA mutations lead to a deficiency of GPI-anchored proteins, such as complement decay-accelerating factor (also known as CD55) and CD59 glycoprotein (CD59), which are both complement inhibitors...
May 18, 2017: Nature Reviews. Disease Primers
https://www.readbyqxmd.com/read/28513592/ifn-%C3%AE-increases-susceptibility-to-influenza-a-infection-through-suppression-of-group-ii-innate-lymphoid-cells
#13
D Califano, Y Furuya, S Roberts, D Avram, A N J McKenzie, D W Metzger
Increased levels of interferon-γ (IFN-γ) are routinely observed in the respiratory tract following influenza virus infection, yet its potential role remains unclear. We now demonstrate that influenza-induced IFN-γ restricts protective innate lymphoid cell group II (ILC2) function in the lung following challenge with the pandemic H1N1 A/CA/04/2009 (CA04) influenza virus. Specifically, IFN-γ deficiency resulted in enhanced ILC2 activity, characterized by increased production of interleukin (IL)-5 and amphiregulin, and improved tissue integrity, yet no change in ILC2 numbers, viral load or clearance...
May 17, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/28508975/a-case-of-acquired-lecithin-cholesterol-acyltransferase-deficiency-with-sarcoidosis-that-remitted-spontaneously
#14
Tanino Akiko, Takafumi Okura, Tomoaki Nagao, Masayoshi Kukida, Daijiro Enomoto, Ken-Ichi Miyoshi, Jitsuo Higaki, Masayuki Kuroda, Hideaki Bujo
Familial lecithin:cholesterol acyltransferase (LCAT) deficiency is a rare inherited disorder that causes an extremely low high-density lipoprotein cholesterol concentration in serum. Recently, acquired LCAT deficiency caused by IgG antibodies to LCAT, without any LCAT gene mutation, was reported. Here we describe a case of acquired LCAT deficiency occurring in association with sarcoidosis. The patient was a Japanese female aged 70 years, had no mutation in the LCAT gene exon sequence, but had an LCAT inhibitor factor in her serum, detected using lipoprotein-deficient serum...
November 2016: CEN Case Reports
https://www.readbyqxmd.com/read/28507547/deletion-of-dock10-in-b-cells-results-in-normal-development-but-a-mild-deficiency-upon-in-vivo-and-in-vitro-stimulations
#15
Natalija Gerasimčik, Minghui He, Marisa A P Baptista, Eva Severinson, Lisa S Westerberg
We sought to identify genes necessary to induce cytoskeletal change in B cells. Using gene expression microarray, we compared B cells stimulated with interleukin-4 (IL-4) and anti-CD40 antibodies that induce B cell spreading, cell motility, tight aggregates, and extensive microvilli with B cells stimulated with lipopolysaccharide that lack these cytoskeletal changes. We identified 84 genes with 10-fold or greater expression in anti-CD40 + IL-4 stimulated B cells, one of these encoded the guanine nucleotide exchange factor (GEF) dedicator of cytokinesis 10 (Dock10)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28507122/control-of-metastatic-niche-formation-by-targeting-apba3-mint3-in-inflammatory-monocytes
#16
Toshiro Hara, Hiroki J Nakaoka, Tetsuro Hayashi, Kouhei Mimura, Daisuke Hoshino, Masahiro Inoue, Fumitaka Nagamura, Yoshinori Murakami, Motoharu Seiki, Takeharu Sakamoto
Cancer metastasis is intricately orchestrated by both cancer and normal cells, such as endothelial cells and macrophages. Monocytes/macrophages, which are often co-opted by cancer cells and promote tumor malignancy, acquire more than half of their energy from glycolysis even during normoxic conditions. This glycolytic activity is maintained during normoxia by the functions of hypoxia inducible factor 1 (HIF-1) and its activator APBA3. The mechanism by which APBA3 inhibition partially suppresses macrophage function and affects cancer metastasis is of interest in view of avoidance of the adverse effects of complete suppression of macrophage function during therapy...
May 15, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28504839/the-pathological-trento-variant-of-alpha-1-antitrypsin-e75v-shows-non-classical-behaviour-during-polymerization
#17
Elena Miranda, Ilaria Ferrarotti, Romina Berardelli, Mattia Laffranchi, Marta Cerea, Fabrizio Gangemi, Imran Haq, Stefania Ottaviani, David A Lomas, James A Irving, Annamaria Fra
Severe alpha-1-antitrypsin deficiency (AATD) is most frequently associated with the alpha-1-antitrypsin (AAT) Z variant (E342K). ZZ homozygotes exhibit accumulation of AAT as polymers in the endoplasmic reticulum of hepatocytes. This protein deposition can lead to liver disease, with the resulting low circulating levels of AAT predisposing to early-onset emphysema due to dysregulation of elastinolytic activity in the lungs. An increasing number of rare AAT alleles have been identified in patients with severe AATD, typically in combination with the Z allele...
May 15, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28501666/an-unexpectedly-high-rate-of-thrombophilia-disorders-in-patients-with-superficial-vein-thrombosis-of-the-lower-extremities
#18
Marcone Lima Sobreira, Silvia Regina Rogatto, Rodrigo Mattos Dos Santos, Izolete Thomazini Santos, Iracema Carvalho Ferrari, Winston Bonetti Yoshida
BACKGROUND: Superficial vein thrombosis is a common venous condition. Recent studies have shown that SVT is associated with high frequency of thromboembolic complications: from 22 to 37 % for deep venous thrombosis and up to 33% for pulmonary embolism. OBJECTIVES: To assess the prevalence of major hereditary and acquired thrombophilic factors in patients with SVT. PATIENTS AND METHODS: 66 patients presenting with primary ST underwent evaluation for thrombophilia: molecular testing for the factor V Leiden and factor II G20210A (prothrombin) mutations, protein C, protein S, antithrombin deficiency, presence of lupus anticoagulant, as well as anti-cardiolipin antibody titers...
May 10, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28500624/temporal-trends-for-thyroid-stimulating-hormone-tsh-and-thyroid-peroxidase-antibody-atpo-testing-across-two-phases-of-iodine-fortification-in-tasmania-1995-2013
#19
A Hong, B Stokes, P Otahal, D Owens, J R Burgess
CONTEXT: Tasmania is an island State of the Australian Commonwealth with a well-documented history of mild iodine deficiency. Between 2001 and 2009 Tasmania experienced two incremental phases of iodine fortification. OBJECTIVE: To examine trends for thyroid stimulating hormone (TSH) and thyroid peroxidase antibody (ATPO) testing and their relationship to different phases of iodine nutrition in the Tasmanian population between 1995 and 2013. DESIGN: Retrospective longitudinal study...
May 13, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28500047/self-reactive-vh4-34-expressing-igg-b-cells-recognize-commensal-bacteria
#20
Jean-Nicolas Schickel, Salomé Glauzy, Yen-Shing Ng, Nicolas Chamberlain, Christopher Massad, Isabelle Isnardi, Nathan Katz, Gulbu Uzel, Steven M Holland, Capucine Picard, Anne Puel, Jean-Laurent Casanova, Eric Meffre
The germline immunoglobulin (Ig) variable heavy chain 4-34 (VH4-34) gene segment encodes in humans intrinsically self-reactive antibodies that recognize I/i carbohydrates expressed by erythrocytes with a specific motif in their framework region 1 (FWR1). VH4-34-expressing clones are common in the naive B cell repertoire but are rarely found in IgG memory B cells from healthy individuals. In contrast, CD27(+)IgG(+) B cells from patients genetically deficient for IRAK4 or MYD88, which mediate the function of Toll-like receptors (TLRs) except TLR3, contained VH4-34-expressing clones and showed decreased somatic hypermutation frequencies...
May 12, 2017: Journal of Experimental Medicine
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