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This review discusses the potential regulation of signal transduction pathways by microRNAs in animal cells, aiming to identify biological processes that may be influenced by miRNA-mediated regulation, but it reports no new experimental outcomes.

This study found that mice with a disrupted TGFα gene display a curly whisker-coat phenotype, similar to waved-1 mice, suggesting TGFα's crucial role in skin architecture and hair development.

The study found that normalizing mineral ion levels in vitamin D receptor-ablated mice prevented hyperparathyroidism and bone disorders but did not address hair loss, indicating the VDR's role in hair growth.

This review discusses the role of the skin microbiome in maintaining health and modulating atopic dermatitis, emphasizing the need for novel therapeutic strategies, but reports no new clinical results.

This study found that using a standardized protocol with microspheres of approximately 1.5 micrometers enhances penetration into hair follicles, particularly when skin is treated with cyanoacrylate skin surface stripping.

This study found that disrupting the microtubule cytoskeleton in Arabidopsis root hairs caused loss of growth directionality and suggested microtubules interact with calcium gradients to regulate apical growth stability.

This study found that altering cell culture conditions to form three-dimensional papilla spheroids can restore the ability of human dermal papilla cells to induce hair growth in adult skin.

This review discusses recent advances in microfabrication and microfluidic technologies for improving the production of organoids and spheroids, but it reports no new experimental results.

This study found that micro-niches within hair follicles create heterogeneity among stem cells and transit-amplifying cells, leading to specialized progenitors that control tissue morphogenesis and regeneration.

This review discusses completed and ongoing clinical studies on microneedle-based technologies for cosmetic, therapeutic, and diagnostic applications and reports no new clinical results.

This study found that desmocollin 1 is crucial for strong adhesion and barrier maintenance in the mouse epidermis, with its absence leading to skin and hair issues resembling chronic dermatitis.

This study examined recent findings on the role of host-microbiome interactions in acne, highlighting that the skin's microbiome composition differs between acne-affected and healthy individuals and discussing emerging microbiome-based treatments.

In a mouse model, this study demonstrated that a microneedle patch system using keratin and integrated with MSC-derived exosomes and UK5099 promoted hair regrowth more efficiently than traditional delivery methods.

The researchers reported that hair follicle development and commensal microbe colonization promote the accumulation of regulatory T cells in neonatal skin, with the Ccl20-Ccr6 pathway playing a key role in this process.

This article reports electron microscope studies on the structure of hair and wool, but it does not present new clinical findings.

This study found that Myc activation in mouse epidermis impairs keratinocyte adhesion and motility by downregulating extracellular matrix and cytoskeleton proteins, affecting hair lineage differentiation.

This study found that progesterone's antiseizure effects in mice occurred primarily through conversion to allopregnanolone, rather than through the progesterone receptor, as evidenced by results in PR knockout mice.

This study introduces a hair transplantation method combining elliptical excision and micrografting, suggesting it provides significant cosmetic improvements for androgenetic alopecia.

This study found that MPEG-dihexPLA micelles significantly improved the skin deposition of tacrolimus compared to a marketed ointment, suggesting better targeted delivery with reduced systemic absorption.

Progesterone reduces anxiety without needing progesterone receptors.

This study reported that transgenic mice with targeted TNF alpha expression in keratinocytes showed impaired weight gain, retarded hair growth, and skin changes, leading to cachexia and necrosis.

In this study, miR-31 was found to play a significant role in hair cycle regulation in mice by controlling key gene expressions involved in hair growth and differentiation.

This review discusses alginate-based delivery systems for probiotics, highlighting recent advances, challenges, and future directions, but reports no new clinical findings.

This study reviews the evolution and modifications of microneedle drug delivery systems, initially designed for percutaneous use, now expanded for targeting a variety of tissues and organs such as ocular, oral mucosal, and gastrointestinal, suggesting widespread future applicability.

This study found that overexpression of PKCα in mouse epidermis increases expression of specific proinflammatory mediators and induces inflammation but does not significantly affect epidermal differentiation, proliferation, or tumor promotion with TPA.

This review explores the development and cosmeceutical applications of microneedles for skin treatment, without reporting new clinical results, emphasizing safety and public perception as key factors for commercialization.

Inflammation may be linked to hair loss, and targeting specific enzymes could help treat it.

This review highlights recent advancements in microfluidics for 3D tissue model generation and discusses its applications in tissue engineering and high-throughput drug screening without reporting new experimental results.

In this study, mice engineered to express human EGFR showed tissue-specific growth defects and neurodegeneration rescue, but developed severe heart issues and accelerated bone cell differentiation.

This study reports that miR-302 promotes pluripotency by inhibiting NR2F2 and indirectly regulating OCT4 in stem cells, enhancing reprogramming efficiency when added to traditional factors.