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This chapter reviews bioengineered human hair follicles and discusses the pros and cons of different 3-D bioprinting methods, but reports no new experimental findings.

In this study, dietary biotin supplementation showed no significant benefit on reproductive performance in sows or pre-weaning growth and mortality in piglets.

This study describes a 4-year-old spayed female ferret diagnosed with adrenocortical carcinoma, where surgical removal of the mass resulted in complete hair regrowth and improvement of clinical symptoms within four weeks.

This review examines the potential therapeutic effects and mechanisms of quercetin for treating polycystic ovary syndrome, noting improved clinical parameters in some studies but presenting no new results.

This study found that paxillin knockdown in human granulosa-derived cells and mouse models decreased androgen receptor protein levels and altered gene expression, suggesting paxillin's role in protecting against androgen excess effects, as observed in a polycystic ovary syndrome mouse model.

In this study, D6D knockout mice showed severe deficiency in AA and DHA, leading to unexpected effects on skin health, fertility, and immune cell development.

In this study, differences in protein expression related to twin lambing were identified in Tibetan sheep, providing insights into the reproductive performance and fertility improvement strategy for sheep in the Qinghai-Tibet Plateau.

This study developed granular hydrogels with reversible interparticle cross-linking, finding they offer high mechanical stability and enhance cell recruitment, making them promising for injectable and 3D printable scaffolds in tissue engineering and therapeutic delivery.

This review outlines various 3D bioprinting techniques and bioinks used for creating artificial tissues and organs, emphasizing their potential in addressing organ transplant shortages and advancing drug testing, while acknowledging existing challenges and future prospects.

In this review, researchers reported that cinnamon and ginger supplementation may benefit PCOS patients by improving hormonal status, lipid profiles, obesity, and insulin resistance through oxidative stress and inflammation reduction.

This review explores the application and implications of 3D bioprinting in plastic surgery but reports no new clinical results, emphasizing its potential benefits and challenges for future research.

This research reported that a newly developed dually crosslinked gelatin-alginate-based hydrogel scaffold enhances mechanical strength, promotes corneal tissue regeneration, and reduces scarring in rabbit models, suggesting potential applications in corneal tissue engineering.

This study describes a new imaging platform for the adult Drosophila midgut, facilitating real-time observation of cell behaviors and dynamics involved in organ renewal.

In this case study, a 62-year-old male with a history of uncontrolled diabetes and chronic kidney disease was diagnosed with perforating folliculitis after presenting with dark, raised, pruritic lesions on his limbs, confirmed by histopathological examination showing collagen extruding into hair follicles.

In this animal study, exposure to 150 kHz electromagnetic radiation significantly reduced the number and size of follicular cysts in rats with estradiol valerate-induced polycystic ovaries.

This study suggests that 150 kHz electromagnetic radiation exposure may reduce follicular cysts and increase developing follicles in a rat model of polycystic ovaries without affecting hormonal levels or overall ovary morphology.

This study found that serious complications were more likely after using muscle-only free flaps for skull coverage compared to composite flaps.

This article reviews the advantages of emulgel as a topical drug delivery system for hydrophobic drugs but provides no new findings.

This study suggests that supporting cells are the origin of regenerated hair cells in the avian basilar papilla, with epidermal growth factor as a potential trigger, and indicates a possibility of hair cell regeneration in mammalian vestibular epithelia.

This study reports the first documentation of mural, mucinotic, isthmus folliculitis alopecia in Norwegian puffin dogs, noting that ciclosporin treatment led to remission while other treatments were less effective.

This case report details a 37-year-old woman with alopecia areata who experienced significant hair regrowth after psychological stress-triggered hair loss, following treatment with topical corticosteroids and tofacitinib.

In this study, researchers found that the novel gene circCFAP20DC enhances the proliferation of goat follicular granulosa cells by activating the RB pathway, facilitating their progression from the G1 to S phase during follicular development.

This review discusses the hair follicle cycle's complex regulation and highlights the potential for targeting catagen control in future therapies without presenting new experimental data.

This narrative review discusses the advantages of bidirectional barbed sutures in wound closure, such as faster placement and no need for knots, but reports no new clinical results.

This study found that excessive heat caused the most significant structural changes in hair from Caucasian and Afro samples, especially when combined with other treatments like bleaching and straightening.

This study reported that after 7.5 months of treatment, topical Alfatradiol significantly increased anagen hair rates in women and men with androgenetic alopecia, with minimal side effects.

This study explored the potential use of natural ingredients in managing alopecia areata, investigating their safety and efficacy as alternatives to conventional chemical treatments.

This article reviews dermatological research on black skin, emphasizing its unique physiological characteristics and common conditions like acne and eczema, and suggests more focus is needed on its structural differences and clinical responses.

This study reviews hair follicle physiology and common scalp diseases such as androgenetic alopecia, telogen effluvium, and alopecia areata, highlighting their pathophysiology and current treatment approaches, which may include topical, systemic, and adjunctive therapies.

This case report discusses a patient with female androgenetic alopecia and chronic telogen effluvium, emphasizing the importance of follicular unclogging to enhance treatment effectiveness, combining deep cleaning, caffeine application, physical stimulation, and lifestyle changes as an individualized, effective alternative to oral medications.