January 2026 in “Applied Sciences” Cyclic ADP-ribose helps regulate calcium and signals that promote hair growth in hair follicle cells.
January 2024 in “Indian Journal of Pharmaceutical Sciences” Relaxing the Arrector Pili Muscle might make curly hair straighter.
December 2025 in “Nature Communications” Club-like receptors detect light touch but not whisking.
July 2019 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Activin A speeds up ear hair cell differentiation, while Follistatin slows it down.
Activin A promotes ear hair cell development, while follistatin delays it.
6 citations
,
January 2015 in “Biochemical Society Transactions” The Ysc84/SH3yl1 protein family is important for cell movement and the process of taking in materials by interacting with actin and cell membranes.
18 citations
,
March 2023 in “Molecular Therapy — Nucleic Acids” Mechanical stimuli and CCL2 can help regenerate hair follicles in adult mice.
52 citations
,
January 2020 in “Scientific Reports” NLCs with manual massage greatly improve clobetasol delivery to hair follicles.
December 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” MicroRNA-205 helps hair grow by changing the stiffness and contraction of hair follicle cells.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” MEF2C is crucial for normal hair cycle progression.
6 citations
,
August 2024 in “Experimental Dermatology” Irisin can promote hair growth by activating a specific signaling pathway.
314 citations
,
April 2010 in “Developmental Cell” β-catenin in the dermal papilla is crucial for normal hair growth and repair.
4 citations
,
July 2010 in “International Journal of Cosmetic Science” Curved human hair has different structures on its convex and concave sides.
62 citations
,
December 2008 in “Journal of structural biology” Hair curvature in Japanese people is linked to specific cell types and filament arrangements in the hair cortex.
Hair movement can indicate hair quality and health.
Activin A increases inner ear hair cell development, while follistatin decreases it.
1 citations
,
April 2017 in “Journal of Investigative Dermatology” CCL5 is important for the hair growth potential of human dermal papilla cells.
19 citations
,
January 2009 in “International review of cell and molecular biology” Hair's strength and flexibility come from its protein structure and molecular interactions.
April 2018 in “Journal of Investigative Dermatology” Arrector pili muscle regulates hair follicle stem cells, DNA methylation needed for hair cycling, and Wnt/B-catenin signaling starts hair growth.
11 citations
,
March 2013 in “Journal of Applied Biomedicine” β-catenin helps hair follicle stem cells grow by activating a specific cell pathway.
7 citations
,
January 2023 in “Frontiers in cell and developmental biology” Celsr1 is crucial for skin cell alignment, while Celsr2 has little effect on this process.
2 citations
,
July 1968 in “Experimental Biology and Medicine” Cystaselenonine causes temporary hair loss in mice by interfering with hair growth.
17 citations
,
November 1967 in “American Journal of Anatomy” Hairless mice have longer hair follicles and abnormal structures during the catagen phase.
17 citations
,
December 2010 in “Journal of Investigative Dermatology” Flightless I protein affects hair growth, with low levels delaying it and high levels increasing hair length in rodents.
3 citations
,
August 2023 in “Biophysical Journal” Mitochondrial activity varies in cells before they stop growing, affecting their growth potential.
July 2025 in “Communications Biology” Rat vibrissae structure relates to their sensory function.
January 2006 in “Chieh P'ou Hsueh Pao” Beta-catenin boosts hair follicle cell growth by increasing c-myc expression.
3 citations
,
August 2012 in “Nature Cell Biology” Certain proteins help nerve cells branch, and other findings relate to cancer, stem cell behavior, and cell division.
12 citations
,
November 2014 in “PLOS Computational Biology” The study concluded that hair growth in mice is regulated by a stable interaction between skin cell types, and disrupting this can cause hair loss.
April 2023 in “Journal of Investigative Dermatology” Hair growth is driven by cells that move and change like a conveyor belt.