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This study reveals that human hair follicles transition between active and dormant states stochastically, challenging the idea of a cyclical automaton controlling hair growth.

This article discusses the distribution of extracellular matrix molecules in human hair follicles and reports no new results.

This study found that red light accelerated the transition from the resting to growth phase in hair follicles faster than green and blue light in mice, suggesting it may stimulate hair growth.

AKR1B10 enzyme may cause keloid scars and could be a treatment target.

This review discusses methods for evaluating hair growth-promoting effects of candidate substances for androgenetic alopecia, focusing on cell assays, organ cultures, and animal models, and reports no new results.

This article discusses various skin pattern formations, their molecular mechanisms, and highlights the need for further understanding to connect molecular biology with organism phenotypes, without providing new clinical findings.

Integumentary organs adapt and evolve for survival, with potential uses in regenerative medicine.

This study reports a case of cystic panfolliculoma, highlighting the role of epithelial-mesenchymal interactions in its pathogenesis and explaining its histological resemblance to trichofolliculoma.

This study observed that using 3D dermal papilla microtissues enhances hair follicle regeneration and gene expression compared to 2D cultures, indicating their potential for hair growth drug screening.

This article reviews the roles of several signaling pathways and molecules, including FGFs, Hh, Notch, TGF, and Wnt, in the development of teeth and hair follicles, but reports no new findings.

This study found that retinoic acid induces epidermal transdifferentiation into mucosal epithelium in both chick and mammalian embryonic skin, involving specific gene expressions and pathways.

This review discusses epithelial-mesenchymal interactions in hair follicle development and their regulation by molecular signals, but reports no new results; the authors emphasize the need for further research to apply these findings clinically.

This study mapped the development of the human pilosebaceous unit in prenatal scalp skin using multi-modal analysis, finding that epithelial-mesenchymal interactions guide cellular fate and validated tissue-patterning through a hair-bearing skin organoid model.

This study introduced a novel 3D co-culture system that effectively mimics in vivo extracellular matrix dynamics, supporting hair follicle biology research and providing a robust platform for evaluating hair loss treatments through enhanced epithelial-mesenchymal interactions.

In this study, researchers differentiated human induced pluripotent stem cells into dermal papilla-like cells and observed gene expression dynamics during five stages of dermal differentiation, demonstrating the potential of these cells to interact with epidermal cells in functional assays.

In this study, low-level light therapy increased the proliferation and activation of dermal papilla cells, which in turn may enhance the growth of outer root sheath keratinocytes, suggesting potential mechanisms for improving hair follicle interaction.

This review discusses the regeneration capabilities of various vertebrate tissues, focusing on the unique ability of certain species to regenerate teeth and lens, and reports no new results.

This study reports for the first time on the expression patterns of Id2 and Id3 proteins in developing hair follicles, suggesting a significant role for these proteins in hair follicle development and epithelial-mesenchymal interactions.

This study showed that coexpression of TG2 and Gbx1 in the epidermis is necessary for esophagus-like mucosal transdifferentiation, with TGF-beta2 in the dermis essential for the process through epithelial-mesenchymal interaction.

This study found that hyaluronic acid increased the size of hair follicle germ-like aggregates and the number of proliferative cells but did not maintain specific markers during the process.

Recent discoveries have improved our understanding of hair loss, but challenges in treatment and knowledge among specialists still exist.

This review discusses the shared molecular and cellular processes in the early development stages of skin appendages like hair follicles, teeth, and mammary glands, reporting no new results.

This study found that topical minoxidil and diazoxide induced significant hair regrowth in bald macaques, while a steroid 5 alpha-reductase inhibitor prevented baldness in preadolescent macaques.

Epithelial cell growth in rat hair follicles needs contact with mesenchymal cells through the extracellular matrix.

This study suggests that fibroblast growth factors FGF-4, FGF-8, and FGF-9 may play redundant roles as signals in epithelial-mesenchymal interactions during multiple stages of tooth development in mice.

This study found that in superficial angiomyxomas, S100A4-positive mesenchymal niches may induce non-neoplastic adnexal epithelial growth, and highlighted evidence of mesenchymal-to-epithelial transition in eccrine duct branching, especially in Carney's complex cases.

This study found that selective androgen receptor modulators (SARMs) significantly inhibited tumor growth and metastasis-promoting factors in AR-positive triple-negative breast cancer models.

Disrupted cell interactions in hair follicles contribute to hair loss in androgenetic alopecia.

This study identified interactions between EGF signaling and the GLI proteins in basal cell carcinoma that may contribute to the limited metastasis seen in this skin cancer.

This speculative review discusses hair cycle-dependent fibroblast dynamics and possible impacts on human hair growth, synthesizing current literature without presenting new clinical findings.