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Publication
Simvastatin prevents and reverses depigmentation in a mouse model of vitiligo
We sought to identify new treatments for vitiligo, and first considered repurposed medications because of the availability of safety data and expedited regulatory approval. We previously reported that the IFN-γ-induced chemokine CXCL10 is expressed in lesional skin from vitiligo patients, and that it is critical for the progression and maintenance of depigmentation in our mouse model of vitiligo. We hypothesized that targeting IFN-γ signaling might be an effective new treatment strategy. STAT1 activation is required for IFN-γ signaling and recent studies revealed that simvastatin, an FDA-approved cholesterol-lowering medication, inhibited STAT1 activation in vitro. Therefore, we hypothesized that simvastatin may be an effective treatment for vitiligo. We found that simvastatin both prevented and reversed depigmentation in our mouse model of vitiligo, and reduced the number of infiltrating autoreactive CD8+ T cells in the skin. Treatment of melanocyte-specific, CD8+ T cells in vitro decreased proliferation and IFN-γ production, suggesting additional effects of simvastatin directly on T cells. Based on these data, simvastatin may be a safe, targeted treatment option for patients with vitiligo.
Agarwal P, Rashighi M, Essien KI, Richmond JM, Randall L, Pazoki-Toroudi H, Hunter CA, Harris JE
FAQOther Questions
- Which therapy has minimal side-effects?
Dead Sea climatotherapy is a unique and highly effective treatment option for vitiligo, offering a top-tier safety profile and natural therapeutic benefits. Its combination of p...
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Do Antioxidant Supplements Help Vitiligo? Short answer Maybe a little. But probably not in the way most people hope. Antioxidant supplements may offer modest support, especially...
- Is it Bitiligo? Vitaligo? Veteligo?
There are so many different ways that people try and spell or even pronounce Vitiligo. Here are some common mis-spellings: bitiligo, vitigo, vitaligo, vitilago, vitiglio, vitag...
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