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This study reported that an injectable hydrogel based on platelet-rich plasma and laponite improved wound healing in diabetic and normal rats by enhancing angiogenesis and macrophage polarization.

In this study, the researchers observed that post-radiation hair follicle repair in 3D architecture occurs through independent, long-range cell movements along the basal surface, resembling 2D healing processes.

In this pilot study, PDLLA scalp microinjections showed improvement in physician-rated Global Aesthetic Improvement Scale scores over 12-24 weeks for 90% of patients with non-scarring alopecia, with no serious adverse events reported, although findings remain preliminary due to methodological limitations.

This review highlights advancements in 3D bioprinting for skin tissue engineering, focusing on exosome-loaded bioinks that show potential for enhancing skin regeneration and repair.

In this study, PDLLA treatment in middle-aged mice was observed to enhance hair growth by increasing macrophage M2 polarization and hair follicle stem cell proliferation, potentially rejuvenating the skin's microenvironment and offering a novel approach for age-related hair loss.

This article explores the use of 3D printing technology to produce hair in the beauty industry, addressing safety concerns, explaining the creation process, and highlighting its benefits over traditional hair while noting its positive environmental impact.

This research found that a biodegradable fibrous membrane incorporating fibroblast-derived ECM accelerated wound healing and improved neovascularization in a mouse model.

This review discusses 3D printing developments in topical delivery systems, highlighting the potential for 3D printed microneedles to become prominent in personalized cosmetic applications, but reports no new experimental results.

This study observed that PCE-DP may improve skin pigmentation by increasing epidermal turnover and inhibiting melanin uptake and inflammation in human epidermal keratinocytes.

This study found that human hair follicle dermal papilla cells cultivated as 3D spheroids in hexanoyl glycol chitosan-coated dishes formed hair-like structures, with minoxidil enhancing growth, and successfully integrated into artificial skin models, suggesting advancements for hair loss treatments and skin restoration therapies.

This study found that dermal papilla-like tissues derived from canine adipose stem cells promoted new hair follicle formation and increased vascularization in athymic nude mice.

This project report reviews six experimental 3D bioprinting methods for cultivating artificial hair follicles, noting significant challenges such as method complexity, low output, and delayed approval for human trials, while proposing a potential solution for creating a permanent hair system on the scalp.

This study found that a newly developed hemi-vascularized sandwich method significantly improved the regeneration and maturity of hair follicles compared to other transplantation approaches in rat models.

This study developed a 3D-printed scaffold for diabetic wound repair, which showed potential in a mouse model by reducing inflammation, promoting blood vessel regeneration, enhancing skin hydration, and accelerating wound healing through nitric oxide and gallium ion release, oxidative stress modulation, and antioxidant pathway activation.

This book chapter reviews the subclasses and applications of platelet-rich plasma in tissue engineering and highlights the challenges in clinical translation without reporting new clinical results.

This study suggests that alkaline phosphatase-regulated expression of CCL5 contributes to the trichogenicity of human dermal papilla spheres.

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.

This study successfully optimized a culture strategy for dermal papilla cells and established an immortalized cell strain, iDP6, which closely resembles primary DP cells in key characteristics.

In this study, researchers differentiated induced pluripotent stem cells into cells with dermal papilla-like properties, demonstrating their potential role in hair follicle bioengineering and drug testing for hair growth.

The new system makes hair transplants faster and more precise.

This study found that among patients with discogenic low back pain, intradiscal injection of platelet-rich plasma over six months resulted in significant symptom improvement, with 79.3% achieving a clinically important reduction in pain and disability scores, and showed promising safety without treatment-related complications.

This study developed a 3D computational model to simulate how skin, fat, and muscle deform under suction, reporting that as suction pressure increased, skin thickness decreased, while fat thickness increased, and muscle thickness remained stable, closely aligning with experimental results.

This study found that PCL-based nanofiber scaffolds enhanced cell proliferation and extracellular matrix deposition, suggesting they show promise as a cell delivery system for improving skin wound healing.

This study identified several DPC-specific proteins, including ITGB1, IGFBP3, and THBS1, as potential biomarkers for hair growth modulation through proteomic and network analysis.

The researchers reported that in hairless mice, epidermal cell division orientations and epidermal thickness varied by body site, with dorsal and ear epidermis primarily dividing parallel to the basement membrane, unlike hind paw and tail epidermis.

This study found that human dermal papilla cells reprogram into induced pluripotent stem cells with higher efficiency than dermal fibroblasts, demonstrating their potential as an alternative source for iPS cells.

This study developed 3DEEP, a tissue clearing and spatial transcriptomic method, to map hair follicle development in a single time point from a 12-hour-old mouse, detailing molecular stages, signaling dynamics, and structural changes within developing follicles.

This study found that microencapsulated dermal papilla cells implanted into mice ears led to the successful regeneration of hair follicles, with APA microencapsulations of 400µm diameter allowing effective nutrient exchange.

This study compared the effectiveness of different thread types in improving collagen profiles in UVB-exposed aging model rats, finding that PCL threads were more effective than PDO and PLLA in enhancing dermal collagen characteristics.

This review discusses the potential roles of prostaglandin D2 and its receptor CRTH2 in various diseases beyond allergies and asthma and reports no new clinical results.