October 2025 in “Dermatologic Surgery” This study found that hair follicles with twisted bulbs demonstrated similar survival rates to intact follicles after transplantation into nude mice, suggesting they may be viable for use in FUE surgery.
January 2004 in “Chinese Journal of Dermatology” This study found that intradermal injection of specific oligonucleotides altered hair growth and morphology in mice by inducing a dominant mutation in the K17 gene.
34 citations
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August 1966 in “Experimental cell research” This study examined developing hair cortex with electron microscopy and found that keratin fibrils form between specific regions in hair follicles and aggregate into twisted cables.
47 citations
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July 1967 in “Science” This study observed morphological changes in scalp hair follicles of humans deprived of protein for 15 days, which suggests potential use in diagnosing protein-calorie malnutrition.
28 citations
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October 2004 in “Differentiation” This study identified a large deletion in the desmoglein 4 gene as the genetic basis of the Iffa Credo "hairless" rat's skin phenotype, linking it to lanceolate hair mutations.