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nod mouse

Peisheng Liang, Wangyong Zhu, Tianjun Lan, Qian Tao
Saliva secretion disorder is one of the most common symptoms in primary Sjögren syndrome (pSS). Salivary biomarkers related to saliva secretion disorder were identified in a pSS murine model, NOD/ShiLtJ mouse, using differential proteomic analysis. Candidate biomarkers were screened with Kyoto Encyclopedia of Genes and Genomes pathway analysis and validated in saliva and salivary glands by western blotting and immunohistochemistry (IHC). Biological functions were detected using ingenuity pathway analysis (IPA)...
March 12, 2018: Journal of Pharmaceutical and Biomedical Analysis
Yan Wang, Wenbin Xu, Zixun Yan, Weili Zhao, Jianqing Mi, Junmin Li, Hua Yan
BACKGROUND: Metformin is a commonly used drug for the treatment of diabetes. Accumulating evidence suggests that it exerts anti-tumor effects in many cancers, including multiple myeloma (MM); however, the underlying molecular mechanisms have not been clearly elucidated. METHODS: The anti-myeloma effects of metformin were evaluated using human MM cell lines (RPMI8226 and U266) in vitro and in vivo NOD-SCID murine xenograft MM model. Cell viability was assessed with CCK8 and cell proliferation was measured by EdU incorporation assay...
March 20, 2018: Journal of Experimental & Clinical Cancer Research: CR
Barun Das, Jashdeep Bhattacharjee, Preeti, Alaknanda Mishra, Kshama Jain, Srikanth Iyer, Ashwani Kesarwani, Parul Sahu, Prakriti Sinha, Perumal Nagarajan, Pramod Upadhyay
Partial hepatectomy is a versatile and reproducible method to study liver regeneration and the effect of cell based therapeutics in various pathological conditions. Partial hepatectomy also facilitates the increased engraftment and proliferation of transplanted cells by accelerating neovascularization and cell migration towards the liver. Here, we describe a simple protocol for performing 30% hepatectomy and transplantation of cells in the spleen of a non-obese diabetic/severe combined immunodeficient NOD.SCID (NOD...
February 10, 2018: Journal of Visualized Experiments: JoVE
Zheng Mo, Minggen Hu, Fei Yu, Lijuan Shao, Kexing Fan, Shunchang Jiao
Background: Leukemia related protein 16 (LRP16), one of the genes belonging to the macro domain family, has been found up-regulated in various tumors including testicles, ovaries and mucosa of colon and is associated with poor clinical outcomes. Purpose: The objective of this study was to investigate expression pattern and biological roles of LRP16 in pancreatic cancer. Patients and methods: Western blot and immunohistochemistry were used to investigate the expression of LRP16 in pancreatic cancer cell lines and tissues...
2018: OncoTargets and Therapy
Kylie Su Mei Yong, Justin Han Jia Ng, Zhisheng Her, Ying Ying Hey, Sue Yee Tan, Wilson Wei Sheng Tan, Sergio Erdal Irac, Min Liu, Xue Ying Chan, Merry Gunawan, Randy Jee Hiang Foo, Dolyce Hong Wen Low, Ian Hewitt Mendenhall, Yok Teng Chionh, Charles-Antoine Dutertre, Qingfeng Chen, Lin-Fa Wang
Bats are an important animal model with long lifespans, low incidences of tumorigenesis and an ability to asymptomatically harbour pathogens. Currently, in vivo studies of bats are hampered due to their low reproduction rates. To overcome this, we transplanted bat cells from bone marrow (BM) and spleen into an immunodeficient mouse strain NOD-scid IL-2R-/- (NSG), and have successfully established stable, long-term reconstitution of bat immune cells in mice (bat-mice). Immune functionality of our bat-mouse model was demonstrated through generation of antigen-specific antibody response by bat cells following immunization...
March 16, 2018: Scientific Reports
Sai Majji, Wathsala Wijayalath, Soumya Shashikumar, Teodor D Brumeanu, Sofia Casares
BACKGROUND: Human-immune-system humanized mouse models can bridge the gap between humans and conventional mice for testing human vaccines. The HLA-expressing humanized DRAGA (HLA-A2.HLA-DR4.Rag1KO.IL2RγcKO.NOD) mice reconstitute a functional human-immune-system and sustain the complete life cycle of Plasmodium falciparum. Herein, the DRAGA mice were investigated for immune responses following immunization with live P. falciparum sporozoites under chloroquine chemoprophylaxis (CPS-CQ), an immunization approach that showed in human trials to confer pre-erythrocytic immunity...
March 14, 2018: Malaria Journal
Yi-Guang Chen, Clayton E Mathews, John P Driver
For more than 35 years, the NOD mouse has been the primary animal model for studying autoimmune diabetes. During this time, striking similarities to the human disease have been uncovered. In both species, unusual polymorphisms in a major histocompatibility complex (MHC) class II molecule confer the most disease risk, disease is caused by perturbations by the same genes or different genes in the same biological pathways and that diabetes onset is preceded by the presence of circulating autoreactive T cells and autoantibodies that recognize many of the same islet antigens...
2018: Frontiers in Endocrinology
Allison E Irvin, Gaurang Jhala, Yuxing Zhao, Timothy S Blackwell, Balasubramanian Krishnamurthy, Helen E Thomas, Thomas W H Kay
Type 1 diabetes is an autoimmune disease characterised by selective destruction of pancreatic beta cells by the immune system. The transcription factor nuclear factor-kappa B (NF-κB) regulates innate and adaptive immune responses. Using gene targeting and in vitro analysis of pancreatic islets and immune cells, NF-κB activation has been implicated in type 1 diabetes development. Here we use a non-obese diabetic (NOD) mouse model that expresses a luciferase reporter of transcriptionally active NF-κB to determine its activation in vivo during development of diabetes...
March 9, 2018: Scientific Reports
Rachel D Brownlee, Amir Ardeshir, Michael D Becker, April M Wagner, David G Besselsen
The influence of mouse strain, immune competence and age on the pathogenesis of a field strain of minute virus of mice (MVMm) was examined in BALB/c, C3H, C57BL/6 and SCID mice experimentally infected as neonates, weanlings and adults. Sera, bodily excretions and tissues were harvested at 7, 14, 28 and 56 days after inoculation and evaluated by serology, quantitative PCR and histopathology. Seroconversion to recombinant viral capsid protein 2 was consistently observed in all immunocompetent strains of mice, regardless of the age at which they were inoculated, while seroconversion to the viral nonstructural protein 1 was only consistently detected in neonate inoculates...
March 8, 2018: Journal of General Virology
Arianne Aslamy, Eunjin Oh, Miwon Ahn, Abu Saleh Md Moin, Mariann Chang, Molly Duncan, Jeannette Hacker-Stratton, Mohamed El-Shahawy, Fouad Kandeel, Linda A DiMeglio, Debbie C Thurmond
Context: Efforts to preserve β-cell mass in the preclinical stages of type 1 diabetes (T1D) are limited by few blood-derived biomarkers of β-cell destruction. Objective: Platelets are proposed sources of blood-derived biomarkers for a variety of diseases, and they show distinct proteomic changes in T1D. Thus, we investigated changes in the exocytosis protein, double C2 domain protein-β (DOC2B) in platelets and islets from T1D humans and pre-diabetic NOD mice...
March 1, 2018: Journal of Clinical Endocrinology and Metabolism
David P Funda, Jaroslav Goliáš, Tomáš Hudcovic, Hana Kozáková, Radek Špíšek, Lenka Palová-Jelínková
Tolerogenic DCs (tolDCs) are being researched as a promising intervention strategy also in autoimmune diseases including type 1 diabetes (T1D). T1D is a T-cell-mediated, organ-specific disease with several well-defined and rather specific autoantigens, i.e., proinsulin, insulin, glutamic acid decarboxylase 65 (GAD65), that have been used in animal as well as human intervention trials in attempts to achieve a more efficient, specific immunotherapy. In this study, we have tested tolerogenic DCs for their effectiveness to prevent adoptive transfer of diabetes by diabetogenic splenocytes into non-obese diabetes (NOD)-severe combined immunodeficiency (NOD-SCID) recipients...
2018: Frontiers in Immunology
Stefania Moretti, Alberto Greco
Studies from the embodiment perspective on language processing have shown facilitation or interference effects depending on the compatibility between verbal contents, concrete or abstract, and the motion of various parts of the body. The aim of the present study was to test whether such compatibility effects can be found when a higher cognitive process like truth evaluation is accomplished with head movements. Since nodding is a vertical head gesture typically performed with positive and affirmative responses, and shaking is a horizontal head gesture associated with negative and dissenting contents, faster response times can be expected when true information is evaluated by making a vertical head movement and false information by making a horizontal head movement...
March 1, 2018: Acta Psychologica
Andrew P Trembath, Neekun Sharma, Saravanan Raju, Bojan Polić, Mary A Markiewicz
The NK group 2 member D (NKG2D) immune receptor is implicated in both human and mouse autoimmune diabetes. However, the significance of NKG2D in diabetes pathogenesis has been unclear due to conflicting reports as to the importance of this receptor in the NOD mouse model. In this study we demonstrate that NKG2D expression affects NOD diabetes development by at least two previously undescribed, and opposing, mechanisms. First, we demonstrate that the NKG2D ligand H60a is induced on activated NOD T cells, and that NKG2D-H60a interaction during CD8+ T cell differentiation into CTLs generally decreases the subsequent CTL effector cytokine response...
November 1, 2017: ImmunoHorizons
Kelly A Mitok, Elyse C Freiberger, Kathryn L Schueler, Mary E Rabaglia, Donald S Stapleton, Nicholas W Kwiecien, Paige A Malec, Alexander S Hebert, Aimee T Broman, Robert T Kennedy, Mark P Keller, Joshua J Coon, Alan D Attie
The mouse is a critical model in diabetes research, but most research in mice has been limited to a small number of mouse strains and limited genetic variation. We used the eight founder strains of the Collaborative Cross (CC) (C57BL/6J (B6), A/J, 129S1/SvImJ (129), NOD/ShiLtJ (NOD), NZO/HILtJ (NZO), PWK/PhJ (PWK), WSB/EiJ (WSB), CAST/EiJ (CAST)) to investigate the genetic dependence of diabetes-related metabolic phenotypes and insulin secretion. We found that strain background is associated with an extraordinary range in body weight, plasma glucose, insulin, and triglycerides, and insulin secretion...
March 1, 2018: Journal of Biological Chemistry
Shirong Li, Jing Fu, Hui Wang, Huihui Ma, Xiaoming Xu, Yong-Guang Yang, Shixian Deng, Markus Y Mapara, Suzanne Lentzsch
We have previously shown that immunomodulatory drug (IMiD) compounds induce a shift into immature myeloid precursors with a maturational arrest and subsequent neutropenia. The mechanism of action is unknown. Here we found that IMiD compounds cause selective ubiquitination and degradation of the transcription factor IKZF1 in CD34+ cells by the Cereblon (CRBN) E3 ubiquitin ligase. Loss of IKZF1 is associated with a decrease of the IKZF1-dependent transcription factor PU.1, critical for the development and maturation of neutrophils...
March 13, 2018: Blood Advances
Seiji Okada, Kulthida Vaeteewoottacharn, Ryusho Kariya
Patient-derived xenograft (PDX) models can be created with the transplantation of cancerous cells or tissues from patients' primary tumors into immunodeficient mice. PDXs are now in the spotlight as more accurate human cancer models compared with mouse tumor and human cancer cell lines transplanted into mice. PDX technology leads to breakthroughs with the introduction of novel, highly immunodeficient mice such as NOG (NOD/Scid/IL2Rγnull ), NSG (NOD/Scid/IL2Rγnull ), and NOJ (NOD/Scid/Jak3null ) mice. Xenograft efficiency differs by type of tumor, site of implantation, and tumor aggressiveness...
2018: Chemical & Pharmaceutical Bulletin
JoEllen M McMillan, Denise A Cobb, Zhiyi Lin, Mary G Banoub, Raghubendra S Dagur, Amanda A Branch Woods, Weimin Wang, Edward Makarov, Ted Kocher, Poonam S Joshi, Rolen M Quadros, Donald W Harms, Samuel M Cohen, Howard E Gendelman, Channabasavaiah B Gurumurthy, Santhi Gorantla, Larisa Y Poluektova
Antiretroviral drug (ARV) metabolism is linked largely to hepatic cytochrome P450 (CYP) activity. One ARV drug class known to be metabolized by intestinal and hepatic CYP3A are the protease inhibitors (PI). Plasma drug concentrations in are boosted by CYP3A inhibitors such as cobisistat and ritonavir (RTV). Studies of such drug-drug interactions are limited as the enzyme pathways are human specific. While immune-deficient mice reconstituted with human cells are an excellent model to study ARVs during human immunodeficiency virus type 1 (HIV-1) infection, they cannot reflect human drug metabolism...
February 23, 2018: Journal of Pharmacology and Experimental Therapeutics
Xinxu Yuan, Lei Wang, Owais M Bhat, Hannah Lohner, Pin-Lan Li
Short chain fatty acids (SCFAs), a family of gut microbial metabolites, have been reported to promote preservation of endothelial function and thereby exert anti-atherosclerotic action. However, the precise mechanism mediating this protective action of SCFAs remains unknown. The present study investigated the effects of SCFAs (acetate, propionate and butyrate) on the activation of Nod-like receptor pyrin domain 3 (Nlrp3) inflammasome in endothelial cells (ECs) and associated carotid neointima formation. Using a partial ligated carotid artery (PLCA) mouse model fed with the Western diet (WD), we found that butyrate significantly decreased Nlrp3 inflammasome formation and activation in the carotid arterial wall of wild type mice (Asc+/+ ), which was comparable to the effect of gene deletion of the adaptor protein apoptosis-associated speck-like protein gene (Asc-/- )...
February 13, 2018: Redox Biology
Yoji Murata, Daisuke Tanaka, Daisuke Hazama, Tadahiko Yanagita, Yasuyuki Saito, Takenori Kotani, Per-Arne Oldenborg, Takashi Matozaki
Interaction of signal regulatory protein α (SIRPα) expressed on the surface of macrophages with its ligand CD47 expressed on target cells negatively regulates phagocytosis of the latter cells by the former. We recently showed that blocking Abs to mouse SIRPα enhanced both the Ab-dependent cellular phagocytosis (ADCP) activity of mouse macrophages for Burkitt's lymphoma Raji cells opsonized with an Ab to CD20 (rituximab) in vitro as well as the inhibitory effect of rituximab on the growth of tumors formed by Raji cells in nonobese diabetic/severe combined immunodeficient (NOD/SCID) mice...
February 23, 2018: Cancer Science
Jeremy J Racine, Isabel Stewart, Jeremy Ratiu, Greg Christianson, Emily Lowell, Kelsay Helm, Jennifer Allocco, Richard S Maser, Yi-Guang Chen, Cathleen M Lutz, Derry Roopenian, Jennifer Schloss, Teresa P DiLorenzo, David V Serreze
Improved mouse models for type 1 diabetes (T1D) therapy development are needed. T1D susceptibility is restored to normally resistant NOD.β2m-/- mice transgenically expressing human disease associated HLA-A*02:01 or HLA-B*39:06 class I molecules in place of their murine counterparts. T1D is dependent on pathogenic CD8+ T-cell responses mediated by these human class I variants. NOD.β2m-/- -A2.1 mice were previously used to identify β-cell autoantigens presented by this human class I variant to pathogenic CD8+ T-cells, and for testing therapies to attenuate such effectors...
February 22, 2018: Diabetes
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