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This study found that osteopontin mRNA is abundantly expressed in dermal papilla cells during the catagen phase of hair growth in rats, suggesting a role in this phase.

This study found that dysregulation of the folliculin-p0071 interaction may lead to changes in cell adhesion and signaling, contributing to conditions like emphysema and renal cell carcinoma.

This study found that specific enzymes could be detected in fresh hair sheath cells, with most remaining detectable in older cells, except for Adenylate kinase and Esterase D.

This study found that mouse FLRG protein, a secreted glycoprotein, is expressed in certain tissues and plays a role distinct from follistatin during wound healing, suggesting different functions in vivo.

This study found that extracts of mesenchymal stem cells (MSC-extract) and their protein components (MSC-protein) enhanced the proliferation and migration of periodontal ligament cells and induced significant periodontal tissue regeneration, showing potential as a new cell-free treatment for periodontal disease.

In this study, ginsenoside 20(S)-protopanaxadiol-aglycone (PPD) was shown to downregulate androgen receptor expression and inhibit tumor growth in prostate cancer cells.

This review discusses the role and interactions of the calcium-binding protein S100A6 in cellular processes and its association with various diseases, highlighting the need for further research to fully understand its biological impact.

This study reports that the peptide GPIGS, found in Bacillus sp. M18 conditioned medium, may promote hair growth through the PI-3K/Akt pathway and accelerate hair regrowth in mice.

This review focuses on S100A6, a Ca²⁺-binding protein, detailing its role in cell functions, the regulation of its expression, and its potential as a biomarker and therapeutic target in various diseases.

This article reviews the regulation and roles of spermidine/spermine-N(1)-acetyltransferase (SSAT) in polyamine metabolism and its potential as a target in cancer and other diseases, without reporting new experimental results.

This chapter discusses the synthesis and analysis of near-infrared fluorescent activity-based probes for imaging cysteine protease activity, reporting potential benefits for disease diagnosis but noting challenges in imaging specific locations with high cathepsin activity.

Keratin-associated proteins may have roles in various mouse tissues, not just hair.

This study identified a novel keratin-associated protein, KAP24.1, which is specifically expressed in the human scalp and located in the hair cuticle.

This study observed that osteopontin mRNA levels in rat hair follicles vary throughout the hair cycle, peaking during the catagen phase and disappearing in the telogen and anagen phases.

This study found that Arabidopsis thaliana plants developed longer root hairs under low phosphorus conditions, suggesting auxin involvement in this adaptive response.

This study found that downregulating PI3K in common bean severely impaired symbiosis with beneficial microorganisms, indicating an essential role for autophagy-related processes in these mutualistic interactions.

This study found that PDCD4 protein expression is reduced in various skin cancers compared to normal skin, suggesting its potential role in preventing or treating certain skin cancers.

This study found that poly(adenosine diphosphate-ribose) synthesis in human skin varies by cell type and condition, with distinct patterns in psoriatic, cancerous, and normal tissues.

In this study, researchers identified a highly reactive, isozyme-specific sequence for TGase 3, contributing to understanding its distinct functional role and activity distribution in the mouse epidermis.

This study found that loss of Ptch1 function in mouse skin's basal cells is sufficient to rapidly induce tumors resembling human basal cell carcinoma, suggesting Ptch1 as a key tumor suppressor.

This review discusses various therapeutic strategies targeting platelet-derived growth factor signaling in diseases like cancer and atherosclerosis, and evaluates existing treatments without presenting new clinical data.

This study showed that knocking out the Ppp2ca gene in the epidermis of mice led to significant hair loss and disrupted hair follicle morphogenesis and regeneration.

This study found that secretory proteins in DFCM play crucial roles in regulating nerve restoration by forming significant protein interaction networks during the wound repair process.

This study highlights that mutations in the MBTPS2 gene can lead to dermatological disorders like IFAP syndrome and severe bone diseases such as X-Linked Osteogenesis Imperfecta, emphasizing the significance of understanding these genetic variants for disease mechanisms and associations.

In this study, PP-PTKL exhibited antioxidant, anti-inflammatory, and pro-melanogenic effects in laboratory settings, suggesting its potential role in preventing or treating hair greying. Further animal and human studies are needed to verify these findings.

This article reviews human placenta hydrolysates and their complex molecular mechanisms in treating various conditions but does not present new clinical findings.

This study suggests that the mechanical robustness of hair may be enhanced by the binding interactions of keratin-associated proteins, particularly KAP8.1, with intermediate filament proteins.

This study shows that NIPP1 deficiency in mouse epidermis leads to hyperproliferation, hair loss, and chronic skin inflammation, which can be partially alleviated by dexamethasone treatment.