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This study developed and validated a simple, accurate, and sensitive HPTLC method for estimating minoxidil and aminexil in topical solutions, demonstrating effective separation and linear measurement of these compounds with %RSD under 2% and high regression coefficients.

This study developed a new, simple, and economical RP-TLC method with densitometry that is suitable for routine analysis of finasteride in tablet dosage form, meeting analytical validation criteria.

This research discusses a validated HPTLC method for simultaneously determining Tamsulosin Hydrochloride and Finasteride in bulk and pharmaceutical dosage forms but reports no new clinical results.

This study found that cysteine supplementation significantly increases keratin expression in human keratinocytes, and counteracts the negative impact of iron deficiency on keratin production by enhancing iron availability for cellular processes.

This study found that seborrheic keratosis lesions contain high levels of hair sheath keratin, suggesting they may originate from the upper hair follicle.

This review discusses the properties and therapeutic potentials of beta-sitosterol, highlighting a need for more detailed studies on its mechanisms and long-term effects in humans; it reports no new results.

The researchers reported that keratin 33A is a structural protein specific to goat cashmere hair, with increased winter expression in high-cashmere-producing breeds.

In this study, researchers analyzed spaceflight data from various sources and found that skin issues during spaceflight are linked to DNA damage, mitochondrial dysregulation, and gene alterations, while also highlighting the skin's adaptability post-flight.

This review discusses various chemical and instrumental methods for determining macrolides and reports no new experimental results.

Basal cell carcinoma shows keratin patterns similar to undifferentiated hair follicle cells.

This study found that dermal papilla cell-conditioned medium can protect against UV-induced skin aging in a mouse model by modulating ferroptosis pathways, highlighting its potential for treating oxidative stress-related skin conditions.

A new genetic mutation in mice causes permanent hair loss and skin wrinkling.

This article discusses aspects of evaluating patients with androgenetic alopecia for hair transplantation and reports no clinical results.

This study found indications of phosphorus-calcium exchange abnormalities in children with chronic renal disease before kidney insufficiency, suggesting that early diagnostic methods like ultrasonic osteodensitometry could be beneficial.

In this study, subcutaneous injection of bone marrow mesenchymal stem cells in burned rats significantly improved wound healing by reducing inflammation, scar formation, and wound size, and restoring normal skin structures.

This study presents a validated HPTLC method for simultaneously determining five BPH drugs, showing high sensitivity and selectivity for potential use in quality-control analysis.

This study developed a validated HPLC method for accurately estimating dutasteride and its related compounds in capsules, suitable for routine and stability sample analysis.

This study developed a straightforward HPTLC method for detecting nicotine and cotinine in human plasma and urine, concluding that liquid-liquid extraction with methanol: chloroform: ammonia achieved optimal separation and is applicable for forensic analysis of lethal nicotine intoxication.

This study reports that two novel chromatographic methods demonstrated high sensitivity and selectivity for determining aminexil, niacinamide, and pyridoxine HCl in a laboratory-prepared mixture and hair tonic preparation.

New method effectively analyzes finasteride and its stability.

This study found that activation or inhibition of Wnt/β-catenin and Notch signaling pathways in rats can alter wound healing, possibly by affecting epidermal stem cell activity and keratinocyte behavior.

In this study, researchers found that p75 neurotrophin receptor signaling affects apoptosis during hair follicle regression in mice, and altering its activity might help manage disorders involving early catagen entry.

This study found that thyrotropin-releasing hormone (TRH) acts as a potent stimulator of hair growth in human scalp hair follicles, promoting elongation and prolonging the anagen phase.

This review summarized multiple molecular markers studied for their association with dry skin, finding considerable variability and uncertainty about which markers best indicate xerosis cutis.

In this study, researchers found that a polyphenolic extract from Annurca apples, high in procyanidin B2, increased hair growth, density, and keratin content in healthy subjects after 2 months of use, and stimulated keratin biosynthesis in vitro.

In this study, the herbal complex of Houttuynia cordata, Perilla frutescens var. acuta, and green tea promoted hair growth in C57BL/6 mice, enhancing regrowth and follicle development compared to controls.

This study suggests that PDCD4 regulates keratinocyte proliferation and contact inhibition, playing a role in epidermal homeostasis and wound healing.

This study found that glioblastoma cells express key enzymes involved in androgen synthesis, suggesting these enzymes might be potential targets for new therapeutic strategies.

This study found that prolactin is a key regulator of keratin expression in human hair follicles, enhancing specific keratin types and influencing epithelial stem cell-associated keratins.

This case study found that a 7-year-old girl's crystalline cataract had sulfur-containing amino acids likely cystine, and was associated with abnormal hair conditions.