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Key to Limiting Mucus Production in Lung Disease Identified

Intratumoral SIRPalpha-deficient macrophages activate tumor-specific cytotoxic T cells

In a study that will be published in Nature Communications on May 28, 2021, a research team led by Dr. Yuan Liu from Georgia State University reports that intratumoral SIRPalpha-deficient macrophages activate tumor antigen-specific cytotoxic T cells to eliminate various syngeneic cancers under radiotherapy. Their study identifies SIRPalpha as a master regulator controling macrophage immune responses and has demonstrated that intratumoral injection of SIRPalpha-depleted macrophages combined with local radiation is an effective strategy to treat different tumors ....

United States , Georgia State University , Ahmedt Abdelaal , Koby Kidder , Charlie Garnett Benson , Venture Development , National Institutes Of Health , Program Of Cancer , Nature Communications On , Research Scholar Grant , American Association Of Immunologist , American Cancer Society , Georgia Research Alliance , Nature Communications , Yuan Liu , Zhen Bian , Lei Shi , National Institutes , Biolocity Innovation , American Association , Molecular Basis , Molecular Genetics , Medicine Health , ஒன்றுபட்டது மாநிலங்களில் , ஜார்ஜியா நிலை பல்கலைக்கழகம் , துணிகர வளர்ச்சி ,

Fundamental mechanism discovered that fine-tunes gene expression & is disrupted in cancer


Credit: The Wistar Institute
PHILADELPHIA and MELBOURNE, Australia (May. 17, 2021) A team of scientists from The Wistar Institute in Philadelphia and the Peter MacCallum Cancer Center in Melbourne, Australia, discovered a new checkpoint mechanism that fine-tunes gene transcription. As reported in a study published in
Cell, a component of the Integrator protein complex tethers the protein phosphatase 2A (PP2A) to the site of transcription allowing it to stop the activity of the RNA polymerase II enzyme (RNAPII). Disruption of this mechanism leads to unrestricted gene transcription and is implicated in cancer.
The study points to new viable opportunities for therapeutic intervention demonstrating the anti-cancer effect of a new combination treatment in preclinical models of solid and hematopoietic malignancies. ....

New York , United States , Dana Farber Cancer Institute , New South Wales , Benjamin Blyth , Otto Kauko , Jenniferr Devlin , Saraha Welsh , Elisa Barbieri , Kaylenej Simpson , Edwind Hawkins , Michael Ohlmeyer , Deboraha Knight , Matteo Costacurta , Stefan Bjelosevic , Gareth Gregory , Simonj Hogg , Ricky Johnstone , Elena Demosthenous , Magnus Zethoven , Jarrodj Sandow , Benp Martin , Conorj Kearney , Izabela Todorovski , Joseph Ha Vissers , Madisonj Kelly ,