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Medical Biochemistry Commons

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Full-Text Articles in Medical Biochemistry

Mir-27b*, An Oxidative Stress-Responsive Microrna Modulates Nuclear Factor-Kb Pathway In Raw 264.7 Cells, Sivasubramani Thulasingam, Chandirasegaran Massilamany, Arunakumar Gangaplara, Hongjiu Dai, Shahlo Yarbaeva, Sakthivel Subramaniam, Jean-Jack Riethoven, James Eudy, Marjorie F. Lou, Jay Reddy Jan 2011

Mir-27b*, An Oxidative Stress-Responsive Microrna Modulates Nuclear Factor-Kb Pathway In Raw 264.7 Cells, Sivasubramani Thulasingam, Chandirasegaran Massilamany, Arunakumar Gangaplara, Hongjiu Dai, Shahlo Yarbaeva, Sakthivel Subramaniam, Jean-Jack Riethoven, James Eudy, Marjorie F. Lou, Jay Reddy

Jay Reddy Publications

Reactive oxygen species (ROS) produced in macrophages is critical for microbial killing, but they also take part in inflammation and antigen presentation functions. MicroRNAs (miRNAs) are endogenous regulators of gene expression, and they can control immune responses. To dissect the complex nature of ROS-mediated effects in macrophages, we sought to characterize miRNAs that are responsive to oxidative stress-induced with hydrogen peroxide (H2O2) in the mouse macrophage cell line, RAW 264.7. We have identified a set of unique miRNAs that are differentially expressed in response to H2O2. These include miR-27a*, miR-27b*, miR-29b*, miR-24-2*, …


Identification Of A Second Mimicry Epitope From Acanthamoeba Castellanii That Induces Cns Autoimmunity By Generating Cross-Reactive T Cells For Mbp 89–101 In Sjl Mice, Chandirasegaran Massilamany, Oluwatoyin A. Asojo, Arunakumar Gangaplara, David J. Steffen, Jay Reddy Jan 2011

Identification Of A Second Mimicry Epitope From Acanthamoeba Castellanii That Induces Cns Autoimmunity By Generating Cross-Reactive T Cells For Mbp 89–101 In Sjl Mice, Chandirasegaran Massilamany, Oluwatoyin A. Asojo, Arunakumar Gangaplara, David J. Steffen, Jay Reddy

Jay Reddy Publications

We had previously reported that Acanthamoeba castellanii (ACA) contains a mimicry epitope for proteolipid protein 139–151 capable of inducing central nervous system (CNS) autoimmunity in SJL/J mice. We now present evidence that ACA also contains a mimicry epitope for myelin basic protein (MBP) 89–101, a derivative from amoebic nicotinamide adenine dinucleotide dehydrogenase subunit 2 (NAD). The epitope, NAD 108–120, contains a discontinuous stretch of six amino acids in the core region (VVFFKNIILIGFL) sharing 46% identity with MBP 89–101 (VHFFKNIVTPRTP; identical residues are underlined). SJL mice immunized with NAD 108–120 develop encephalomyelitis similar to the disease induced by the cognate peptide. …


Identification Of A Second Mimicry Epitope From Acanthamoeba Castellanii That Induces Cns Autoimmunity By Generating Cross-Reactive T Cells For Mbp 89–101 In Sjl Mice, Chandirasegaran Massilamany, Oluwatoyin A. Asojo, Arunakumar Gangaplara, David J. Steffen, Jay Reddy Jan 2011

Identification Of A Second Mimicry Epitope From Acanthamoeba Castellanii That Induces Cns Autoimmunity By Generating Cross-Reactive T Cells For Mbp 89–101 In Sjl Mice, Chandirasegaran Massilamany, Oluwatoyin A. Asojo, Arunakumar Gangaplara, David J. Steffen, Jay Reddy

Jay Reddy Publications

We had previously reported that Acanthamoeba castellanii (ACA) contains a mimicry epitope for proteolipid protein 139–151 capable of inducing central nervous system (CNS) autoimmunity in SJL/J mice. We now present evidence that ACA also contains a mimicry epitope for myelin basic protein (MBP) 89–101, a derivative from amoebic nicotinamide adenine dinucleotide dehydrogenase subunit 2 (NAD). The epitope, NAD 108–120, contains a discontinuous stretch of six amino acids in the core region (VVFFKNIILIGFL) sharing 46% identity with MBP 89–101 (VHFFKNIVTPRTP; identical residues are underlined). SJL mice immunized with NAD 108–120 develop encephalomyelitis similar to the disease induced by the cognate peptide. …