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Biological Phenomena, Cell Phenomena, and Immunity

Innate immunity

Articles 1 - 3 of 3

Full-Text Articles in Medical Molecular Biology

Baseline Data Collections Of Lipopolysaccharide Content In 414 Herbal Extracts And Its Role In Innate Immune Activation, Vindy Tjendana Tjhin, Masataka Oda, Masashi Yamashita, Tomoko Iwaki, Yasuko Fujita, Koji Wakame, Hiroyuki Inagawa, Gen-Ichiro Soma Jul 2024

Baseline Data Collections Of Lipopolysaccharide Content In 414 Herbal Extracts And Its Role In Innate Immune Activation, Vindy Tjendana Tjhin, Masataka Oda, Masashi Yamashita, Tomoko Iwaki, Yasuko Fujita, Koji Wakame, Hiroyuki Inagawa, Gen-Ichiro Soma

Student and Faculty Publications

Some herbal extracts contain relatively high amounts of lipopolysaccharide (LPS). Because orally administered LPS activates innate immunity without inducing inflammation, it plays a role as an active ingredient in herbal extracts. However, the LPS content in herbal extracts remains extensively unevaluated. This study aimed to create a database of LPS content in herbal extracts; therefore, the LPS content of 414 herbal extracts was measured and the macrophage activation potential was evaluated. The LPS content of these hot water extracts was determined using the kinetic-turbidimetric method. The LPS concentration ranged from a few ng/g to hundreds of μg/g (Standard Escherichia coli …


Targeting Innate Immunity In Glioma Therapy, Andrew G Gillard, Dong Ho Shin, Lethan A Hampton, Andres Lopez-Rivas, Akhila Parthasarathy, Juan Fueyo, Candelaria Gomez-Manzano Jan 2024

Targeting Innate Immunity In Glioma Therapy, Andrew G Gillard, Dong Ho Shin, Lethan A Hampton, Andres Lopez-Rivas, Akhila Parthasarathy, Juan Fueyo, Candelaria Gomez-Manzano

Student and Faculty Publications

Currently, there is a lack of effective therapies for the majority of glioblastomas (GBMs), the most common and malignant primary brain tumor. While immunotherapies have shown promise in treating various types of cancers, they have had limited success in improving the overall survival of GBM patients. Therefore, advancing GBM treatment requires a deeper understanding of the molecular and cellular mechanisms that cause resistance to immunotherapy. Further insights into the innate immune response are crucial for developing more potent treatments for brain tumors. Our review provides a brief overview of innate immunity. In addition, we provide a discussion of current therapies …


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*, …