 
            IndraLab
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                                  "Interestingly, ablating TGF-beta signaling in this system with an antibody neutralizing the cytokine reduced USP44 expression in cells stimulated with PMA and Iono without exogenous TGF-beta (Fig XREF_FIG C), suggesting that induced USP44 activity may be augmented by trace amounts of TGF-beta in the serum complemented culture media (RPMI) used in these experiments."