PRLR knockdown may limit lupus-related glomerular changes - Takeaways - MDSpire
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PRLR knockdown may limit lupus-related glomerular changes

Researchers found that selectively suppressing a PRLR isoform reduced pathogenic immune-cell activity and prevented early kidney abnormalities in lupus-prone mice.

  • By

  • Andrea Surnit

  • November 9, 2026

  • 4 min

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  • 1

    Patients with SLE had an increased ratio of long to short PRLR transcripts across multiple immune-cell populations compared with healthy donors.

  • 2

    In patient PBMCs, splice-modulating oligomers targeting long PRLR reduced B-cell activation and shifted monocyte and natural killer cell populations toward more differentiated phenotypes.

  • 3

    In 3 patient samples, treatment reduced expression of multiple IFN-stimulated genes, and experimental models showed reduced STAT1 phosphorylation and type I IFN signaling.

  • 4

    After 8 weeks, treated lupus-prone mice had smaller glomerular tufts, fewer glomerular nuclei, and lower glomerular cellular density than control-treated mice.

  • 5

    The study assessed early glomerular abnormalities, not established lupus nephritis or long-term renal outcomes, and its small ex vivo human samples do not establish clinical efficacy or safety.

Original Source(s)

PRLR knockdown may limit lupus-related glomerular changes

  • by Andrea Surnit

  • November 9, 2026

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