The Effects of Photobiomodulation on MC3T3-E1 Cells via 630 nm and 810 nm Light-Emitting Diode

November 2019 in “ Medical Science Monitor ”

Biao Chang, Haixia Qiu, Hongyou Zhao, Xi Yang, Ying Wang, Tengda Ji, Yuxuan Zhang, Qi Quan, Yunqi Li, Jing Zeng, Haoye Meng, Ying Gu

Studysummary This study found that photobiomodulation via LED light at 630 nm and 810 nm increased proliferation and mineralization in osteoblast-like cells, with comparable effects between the two wavelengths.

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research Photodynamic and Photobiological Effects of Light-Emitting Diode Therapy in Dermatological Disease: An Update

62 citations , July 2018 in “Lasers in Medical Science”

In this review, the researchers highlight LED therapy as an emerging and safe treatment for skin inflammatory conditions, aging, and hair growth disorders, noting its integration into dermatological practice but emphasizing the need for more controlled studies to confirm its efficacy.

research Activation of Wnt/β-Catenin Signaling Is Involved in Hair Growth-Promoting Effect of 655-nm Red Light and LED in In Vitro Culture Model

19 citations , February 2018 in “Lasers in Medical Science”

This study found that 655-nm red light with LED enhanced hair shaft elongation and reduced catagen transition in human hair follicles in vitro by activating the Wnt/ß-catenin signaling pathway.

Wnt/β-Catenin and ERK Pathway Activation: A Possible Mechanism of Photobiomodulation Therapy with Light-Emitting Diodes That Regulate the Proliferation of Human Outer Root Sheath Cells

research Wnt/β-Catenin and ERK Pathway Activation: A Possible Mechanism of Photobiomodulation Therapy with Light-Emitting Diodes That Regulate the Proliferation of Human Outer Root Sheath Cells

43 citations , September 2017 in “Lasers in Surgery and Medicine”

This study found that LED light irradiation induced proliferation and migration of human outer root sheath cells, potentially through the stimulation of the Wnt/β-catenin and ERK signaling pathways.

Comparison of the Effects of 665 nm Low-Level Diode Laser Hat Versus a Combination of 665 nm and 808 nm Low-Level Diode Laser Scanner on Hair Growth in Androgenic Alopecia

research Comparison of the Effects of 665 nm Low-Level Diode Laser Hat Versus a Combination of 665 nm and 808 nm Low-Level Diode Laser Scanner on Hair Growth in Androgenic Alopecia

24 citations , May 2017 in “Journal of Cosmetic and Laser Therapy”

This study reported that a new laser scanner using 655 nm red and 808 nm infrared lasers significantly improved hair density in patients with androgenic alopecia compared to both a laser hat and no treatment, without observable adverse effects.

Various Wavelengths of Light-Emitting Diode Light Regulate the Proliferation of Human Dermal Papilla Cells and Hair Follicles via Wnt/β-Catenin and the Extracellular Signal-Regulated Kinase Pathways

research Various Wavelengths of Light-Emitting Diode Light Regulate the Proliferation of Human Dermal Papilla Cells and Hair Follicles via Wnt/β-Catenin and the Extracellular Signal-Regulated Kinase Pathways

33 citations , January 2017 in “Annals of Dermatology”

This study suggests that LED light may promote the proliferation of human dermal papilla cells through the activation of specific signaling pathways.

research Low-Level Light Therapy for Androgenetic Alopecia: A 24-Week, Randomized, Double-Blind, Sham Device-Controlled Multicenter Trial

106 citations , April 2013 in “Dermatologic Surgery”

This study found that low-level light therapy significantly increased hair density and diameter in androgenetic alopecia patients compared to a sham device, suggesting it could be an effective treatment option.