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This study found that overexpression of parathyroid hormone-related protein in mice resulted in 30–40% shorter hair due to premature transition into the catagen phase of the hair cycle.

In this clinical case report, a man with Birt Hogg Dube syndrome presented with parathyroid cancer, the first such case according to the authors, highlighting a potential link between Folliculin gene mutations and parathyroid cancer development.

This study indicates that targeting the PTH/PTHrP receptor may potentially stimulate hair growth, particularly for chemotherapy-induced alopecia, as observed in hairless and cyclophosphamide-treated mice.

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.

In this study, PTH-CBD effectively prevented and partially reversed chemotherapy-induced alopecia in mice, with pretreatment offering a better cosmetic outcome compared to therapeutic administration after hair loss onset.

This study reports that sequential high- and low-dose prednisolone therapy effectively promotes complete hair regrowth in 62% of children with severe alopecia areata, while minimizing severe side effects.

This study found that treatment with PTH-CBD stimulated hair growth in mice with alopecia areata, with increased levels of beta catenin indicating activation of the Wnt pathway.

This review discusses the regulation and function of vitamin D and its receptor in skin cells, highlighting their roles in processes such as proliferation inhibition, differentiation, and innate immunity, but reports no new results.

This review summarizes existing knowledge of how the WNT signaling pathway affects mesenchymal stem cells under various conditions, highlighting challenges and mechanisms for clinical applications.

In this study, homozygous VDR null mutant mice exhibited nonfunctional vitamin D receptors, leading to growth abnormalities and revealing the limited physiological importance of vitamin D pathways outside the classical receptor.

The document concludes that individualized treatment and lifestyle changes are important for managing menopause symptoms and health risks.

This research highlights that engineered mice lacking the vitamin D receptor show multiple health issues similar to human vitamin D deficiency, underscoring the widespread impacts of the vitamin D endocrine system.

This review discusses various biologics for hair aging but reports no agent capable of reversing the natural aging process of hair.

This review discusses the impact of COVID-19 on the endocrine system and reports no clinical results; the authors emphasize the need to investigate endocrine damage during and after COVID-19 infection.

This article discusses nutritional contributions to hair health and highlights the need for identifying risk factors for deficiencies but reports no new clinical findings.

This article reviews Vitamin D-dependent rickets Type II with a focus on alopecia as a potential diagnostic clue for this rare disorder, reporting no new clinical findings.

This review explores the impact of vitamin D deficiency on the skin from a dermatological perspective, but reports no new clinical results.

This study found that Turner’s syndrome is associated with significant bone mass decrease due to estrogen deficiency, which can be improved with estrogen therapy, while bone issues in Klinefelter’s syndrome may benefit from early androgen therapy and possibly bisphosphonates.

This study found that patients with alopecia areata had significant systemic inflammation and vitamin D deficiency, with both conditions more pronounced as disease severity increased.

This chapter discusses the sources, classifications, and effects of hormones, their role in disease treatment and food security, and reports no new results.

Men with early balding should be checked for metabolic syndrome, as there's a link between the two.

The woman's rare combination of diseases suggests an unknown factor may predispose individuals to multiple endocrine diseases.

This review discusses hormones that affect acne and highlights a statistically significant link between a low-glycemic-load diet and reduced acne activity, but reports no new experimental findings.

This study found that experimentally induced hypothyroidism in rats is associated with impaired skin structure, but topical application of triiodothyronine (T3) improved these changes to resemble normal skin.

This article outlines the rationale, design, major findings, and updated objectives of the ongoing Rotterdam Study, without presenting new research data.

In this study, researchers found that disrupting the PRL gene in mice led to earlier hair molting, especially in females, suggesting that PRL inhibits murine hair cycle events.

This review highlights similarities in the development of thymus and skin epidermis, reporting no new results; the authors emphasize shared molecular mechanisms despite different embryonic origins.

This review discusses recent genetic findings on hormonal signaling pathways in androgenetic alopecia, reporting no new study results but highlighting the need for further investigation.

This study found that disrupting the PRL gene in mice alters the timing of hair cycling events, causing earlier molts and changes in hair characteristics, particularly affecting female mice more significantly.

This article discusses the importance of interpreting laboratory data and performing physical assessments to support pharmacists in clinical decision-making and patient consultations, but reports no new empirical findings.