HNRNPLL

Heterogeneous nuclear ribonucleoprotein L-like is a protein that in humans is encoded by the HNRNPLL gene.^[1]

Function

HNRNPLL is a master regulator of activation-induced alternative splicing in T cells. In particular, it alters splicing of CD45 (PTPRC; MIM 151460), a tyrosine phosphatase essential for T-cell development and activation.^[2]

Lai Y, Song M, Hakala K, Weintraub ST, Shiio Y (November 2011). “Proteomic dissection of the von Hippel-Lindau (VHL) interactome”. Journal of Proteome Research. 10 (11): 5175–82. doi:10.1021/pr200642c. PMC 3208728. PMID 21942715.
Topp JD, Jackson J, Melton AA, Lynch KW (October 2008). “A cell-based screen for splicing regulators identifies hnRNP LL as a distinct signal-induced repressor of CD45 variable exon 4”. RNA. 14 (10): 2038–49. doi:10.1261/rna.1212008. PMC 2553740. PMID 18719244.
Wu Z, Yates AL, Hoyne GF, Goodnow CC (July 2010). “Consequences of increased CD45RA and RC isoforms for TCR signaling and peripheral T cell deficiency resulting from heterogeneous nuclear ribonucleoprotein L-like mutation”. Journal of Immunology. 185 (1): 231–8. doi:10.4049/jimmunol.0903625. PMID 20505149.
Fedorova OA, Moiseeva TN, Nikiforov AA, Tsimokha AS, Livinskaya VA, Hodson M, Bottrill A, Evteeva IN, Ermolayeva JB, Kuznetzova IM, Turoverov KK, Eperon I, Barlev NA (December 2011). “Proteomic analysis of the 20S proteasome (PSMA3)-interacting proteins reveals a functional link between the proteasome and mRNA metabolism”. Biochemical and Biophysical Research Communications. 416 (3–4): 258–65. doi:10.1016/j.bbrc.2011.10.126. PMID 22079093.
Shur I, Ben-Avraham D, Benayahu D (June 2004). “Alternatively spliced isoforms of a novel stromal RNA regulating factor”. Gene. 334: 113–21. doi:10.1016/j.gene.2004.03.012. PMID 15256261.

This article incorporates text from the United States National Library of Medicine, which is in the public domain.