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This study presents a method for extracting and measuring cyclic AMP in small amounts of skin tissue, finding varying levels in the dermis, epidermis, and hair follicles.

This study found that micro-needling combined with topical 5-fluorouracil (5-FU) was more effective in treating vitiligo patches than topical tacrolimus, with significant improvement observed in six patients, although it caused mild side effects like erythema and irritation.

This study found that micro-current electrical stimulation may promote hair growth in human hair follicle-derived papilla cells and a mice model by enhancing cell proliferation, migration, and activating key growth pathways.

This study found that "micro skin tissue columns" improved wound healing by enhancing re-epithelialization, collagen deposition, dermal remodeling, and reducing inflammation without causing long-term donor site morbidity.

This review discusses the use of microneedling for androgenetic alopecia and finds it promising for enhancing hair density and thickness, especially when combined with other treatments, but notes no standardized protocol exists yet.

This article discusses a new device for visualizing and quantifying skin distribution of a radioactively labelled compound, but reports no new clinical results.

This study concluded that drug-distribution measurements using micro-segmental hair analysis are effective for drowned bodies, as natural water containing divalent ions prevents drug washout from hair.

This study improved a hair analysis method to estimate the days of continuous ingestion of hay-fever medicines, with an average error of about 2 days from actual ingestion.

This study reported that micro-needling with Low-Level LED Therapy and Growth Factors may improve hair density in mild-to-moderate hair loss and telogen effluvium related to COVID-19, based on preliminary observations.

In this study, researchers observed that the combination of hair progenitors and their micro-niche changes every three days in mouse zigzag hair, and disruptions in specific genes affected this rhythm, highlighting the importance of this periodic change for normal hair morphology.

This study observed that a combination of micro-needling and low-level light/laser therapy significantly increased hair density in patients with mild to moderate androgenic alopecia, showing an increase of 12 hairs/cm² after 16 weeks, compared to baseline.

In this study, post-treatment with DCO was found to speed up epidermal wound healing after micro-needling of 3D skin models while maintaining the treatment's immunostimulatory benefits, potentially optimizing aftercare and reducing patient recovery time.

This study used micro-CT to visualize preputial vessel distribution in a congenital hypospadias rat model, revealing that vessels at the preputial junction with good circulation were well-suited for vascular pedicle flaps in surgery.

This study concluded that controlled micro-injury induces hair regeneration and vitiligo repigmentation in mice, potentially through the Wnt/β-catenin pathway.

In this study, mathematical analysis suggested that a 30°-sapphire blade caused the least tissue injury during hair restoration, while a rectangular blade caused the most.

This study found that the progression of fetal skin development, marked by key features like the appearance of hair follicles and eccrine sweat glands, can help determine fetal age and predict congenital skin diseases.

This report describes benefits of advanced hair transplant techniques, micro-FUE and U-FUE, which may result in natural, undetectable hair restoration and discrete post-procedure appearance.

This study found that using dissolving micro-needles with minoxidil promoted more hair growth in an animal model compared to minoxidil treatment alone or no treatment.

Women's hair has more sulfur, and black hair has more calcium than white hair.

This study introduced mechanical setups to analyze the mechanical properties of root hairs in Arabidopsis thaliana, finding that axial stiffness primarily relates to tip compression and turgor pressure, confirmed by independent methods adapted from work on animal cells.

In this analysis, the authors examine how hairdressing techniques like thinning and micro-graduation can correct women's hairlines by softening optical contours and enhancing visual symmetry, emphasizing the relevance of individual factors such as morphology and stylistic expectations in selecting these non-medical approaches.

In this study, researchers developed innovative mechanical methods to measure the mechanical properties of Arabidopsis thaliana root hairs, concluding that axial stiffness is mainly due to tip compression and influenced by turgor pressure.

This literature review conducted a comprehensive analysis of existing studies on micro-needling mesotherapy in dermatology and aims to offer a practical guide for its clinical application, though it provides no new experimental findings.

This study found that micro-computed tomography (micro-CT) was highly effective for analyzing the cross-sectional geometry of hair fibres, including the medulla in highly curled hair, but less effective than scanning electron microscopy for surface details.

This study highlights that current research efforts to deliver anti-acne drugs to hair follicles have primarily targeted healthy follicles, overlooking the distinct characteristics of pathologically clogged follicles in acne vulgaris.

Mirror-image twins can have alopecia areata on opposite sides of their heads.

In this animal study, rats treated with recombinant human growth hormone (at both low and high doses) experienced quicker burn wound healing than controls, with increased micro vessel density and altered expression of vascular endothelial growth factor, alongside changes in oxidative stress and inflammation markers.

This source provides an overview of diagnostic and treatment innovations for gastrointestinal disorders, such as wireless capsule technology for motility assessment and new methods for treating constipation and nausea, highlighting both current and emerging techniques.

This review discusses micro needling as a therapeutic option for various dermatological conditions, such as scars and pigmentation, and reports no new clinical results; the authors note potential side effects and contraindications.

This study found that hair from the vertex posterior is a reliable sampling region for detecting zolpidem intake, showing consistent drug concentration and peak position compared to other scalp regions.