78 citations
,
June 2003 in “Journal of the American Academy of Dermatology” Curly hair shape is determined by the hair bulb.
48 citations
,
January 2002 in “Journal of Structural Biology” Trichocyte filaments have a low-density core and may include proteins for hair structure.
51 citations
,
May 2021 in “Nature Communications” High proliferation and cell delamination drive early skin development, while later stages may not rely on cell division orientation.
1 citations
,
August 2015 in “PubMed” Human hair's strength comes from a honeycomb-like structure and macrofibrils.
19 citations
,
June 2021 in “Tissue Engineering and Regenerative Medicine” Fat stem cell particles help regrow hair.
18 citations
,
February 2019 in “Scientific Reports” Trichostatin A helps restore hair-growing ability in skin cells used for hair regeneration.
13 citations
,
July 2019 in “Journal of Dermatological Science” Increasing alkaline phosphatase in human skin cells helps to grow more hair.
316 citations
,
June 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” Microspheres about 1.5 micrometers in size can best penetrate hair follicles, potentially reaching important stem cells.
March 2026 in “International Journal of Advanced Biochemistry Research” German shepherd hair varies in color and pattern but is flat with a consistent internal structure.
16 citations
,
April 2017 in “ACM Transactions on Graphics” Light scatters differently from elliptical hair fibers than from circular ones, and a new model better predicts this behavior, especially for shiny highlights.
11 citations
,
January 2013 in “Veterinary dermatology” Keratinocytes from dog hair follicles can create a functional skin layer in a lab model, useful for dog skin therapy.
26 citations
,
January 2019 in “Experimental Dermatology” Researchers created early-stage hair-like structures from skin cells, showing how these cells can self-organize, but more is needed for complete hair growth.
68 citations
,
December 2011 in “Journal of Investigative Dermatology” Sox2-positive dermal papilla cells have unique characteristics and contribute more to skin and hair follicle formation than Sox2-negative cells.
63 citations
,
December 1998 in “Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology” The study improved understanding of keratin fiber structure by showing consistent microfibril diameter but varying distances and electron density profiles.
1 citations
,
April 2019 in “PubMed” The medulla in Asian scalp hair has a tubular structure that allows ions and large molecules to flow through it.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Scientists improved how to make skin-like structures from stem cells using special gels and a device that controls growth signals, leading to better hair and skin features.
24 citations
,
June 2003 in “Journal of Structural Biology” Sheet formation is key to macrofibril structure differences in wool.
31 citations
,
September 2016 in “PLoS ONE” Cell division orientation varies by body site and is linked to epidermal thickness and cell density.
6 citations
,
January 2014 in “Clinical hemorheology and microcirculation” Hereditary elliptocytosis causes elongated red blood cells and can lead to mild or no symptoms.
9 citations
,
April 2019 in “Journal of structural biology” Hair's internal fibers are arranged in a pattern that doesn't let much water in, and treatments like oils and heat change how much water hair can absorb.
23 citations
,
December 1977 in “Virchows Archiv B Cell Pathology”
47 citations
,
October 2016 in “Molecular and Cellular Endocrinology” Androgens prevent hair growth by changing Wnt signals in cells.
15 citations
,
May 2020 in “BMC complementary medicine and therapies” Polygonum multiflorum extract helps hair grow longer and fights the effects of hormones that cause hair loss.
10 citations
,
January 2016 in “Annals of Dermatology” 3D-cultured dermal papilla cells are better at inducing hair follicles than adipose-derived stem cells.
6 citations
,
March 2020 in “Scientific reports” Hair growth genes work better with more glucose due to changes in gene-regulating markers.
6 citations
,
October 2018 in “Bioelectromagnetics” Rice bran extract and low-frequency electromagnetic fields together may help treat vitiligo and white hair.
1 citations
,
January 2019 in “Annals of dermatology/Annals of Dermatology” STAT5 is crucial for hair growth in 3D cultured human dermal papilla cells.
March 2024 in “Asian journal of beauty & cosmetology” Derma Genie™-H001 can help prevent hair loss and promote hair growth.
June 2016 in “Experimental Dermatology” Changing hair follicle identity could potentially reverse balding.