Evidence map›Paper›PMID 22685570›Full record

ArticlePloS one2012

Sterol intermediates of cholesterol biosynthesis inhibit hair growth and trigger an innate immune response in cicatricial alopecia.

Sreejith P Panicker, Taneeta Ganguly, Mary Consolo, Vera Price, Paradi Mirmirani, Kord Honda, Pratima Karnik

Abstract read
In one paragraph

Article in PloS one, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

14 citing papers in PubMed.

  1. Article
  2. Article
  3. Frontal Fibrosing Alopecia: An Update.American journal of clinical dermatology · 2025
    Review
  4. Article
  5. Article
  6. Article
  7. Article
  8. Review
  9. Article
  10. Accumulation of specific sterol precursors targets a MAP kinase cascade mediating cell-cell recognition and fusion.Proceedings of the National Academy of Sciences of the United States of America · 2016
    Article
  11. Article
  12. Review
  13. Article
  14. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Sreejith P PanickerDepartment of Dermatology, University Hospitals Case Medical Center, Case Western Reserve University, Cleveland, Ohio, United States of America.
Taneeta Ganguly
Mary Consolo
Vera Price
Paradi Mirmirani
Kord Honda
Pratima Karnik

Funding

TUMOR METABOLISM PROGRAMP30CA043703 · NCI · CASE WESTERN RESERVE UNIVERSITY · PI Drew James Adams · 1987 to 2026
$142.3M
Vitamin D endocrine system and Protection Against Skin TumorlgenesisP30AR039750 · NIAMS · CASE WESTERN RESERVE UNIVERSITY · PI COOPER, KEVIN D · 1988 to 2015
$9.1M
PPAR-gamma Signaling in Normal Pilosebaceous Units and in Scarring AlopeciaR01AR056245 · NIAMS · CASE WESTERN RESERVE UNIVERSITY · PI COOPER, KEVIN D · 2009 to 2013
$1.8M
NCI NIH HHS P30 CA043703NIAMS NIH HHS P30 AR039750NIAMS NIH HHS R01 AR056245
6 · The paper itself

Abstract

Primary cicatricial alopecia (PCA) is a group of inflammatory hair disorders that cause scarring and permanent hair loss. Previous studies have implicated PPARγ, a transcription factor that integrates lipogenic and inflammatory signals, in the pathogenesis of PCA. However, it is unknown what triggers the inflammatory response in these disorders, whether the inflammation is a primary or secondary event in disease pathogenesis, and whether the inflammatory reaction reflects an autoimmune process. In this paper, we show that the cholesterol biosynthetic pathway is impaired in the skin and hair follicles of PCA patients. Treatment of hair follicle cells with BM15766, a cholesterol biosynthesis inhibitor, or 7-dehydrocholesterol (7-DHC), a sterol precursor, stimulates the expression of pro-inflammatory chemokine genes. Painting of mouse skin with 7-DHC or BM15766 inhibits hair growth, causes follicular plugging and induces the infiltration of inflammatory cells into the interfollicular dermis. Our results demonstrate that cholesterologenic changes within hair follicle cells trigger an innate immune response that is associated with the induction of toll-like receptor (TLR) and interferon (IFN) gene expression, and the recruitment of macrophages that surround the hair follicles and initiate their destruction. These findings reveal a previously unsuspected role for cholesterol precursors in PCA pathogenesis and identify a novel link between sterols and inflammation that may prove transformative in the diagnosis and treatment of these disorders.

Indexed as

AdolescentAdultAlopeciaAnimalsBiosynthetic PathwaysCells, CulturedChemokinesCholesterolCicatrixDehydrocholesterolsFemaleGene ExpressionGene Expression ProfilingGene Regulatory NetworksHairHair Follicle7-dehydrocholesterolBM 15766ChemokinesCholesterolDehydrocholesterolsPiperazinesSterols

Identifiers

PMID22685570
PMCPMC3369908

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.