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This study found that in a mouse model with hereditary 1,25-dihydroxyvitamin D resistant rickets, a mutant vitamin D receptor lacking hormone-binding ability could restore normal hair cycling and affect parathyroid hormone regulation.

This study found that a topical cream containing PTH (7–34) significantly stimulated hair growth in hairless mice.

This study found that hair analysis may be useful in early breast cancer detection by identifying distinct calcium and strontium concentration patterns before and during cancer development.

This review addresses clinical findings in parathyroid disease and discusses the metabolism of calcium, phosphorus, vitamin D, and parathyroid hormone, reporting no new results.

This case report describes a 27-year-old male with autoimmune polyglandular syndrome type 1, characterized by symptoms including fever, dysarthria, dysphagia, oral candidiasis, nail dystrophy, alopecia, hypoparathyroidism, and dilated cardiomyopathy. The study highlights unique bilateral symmetrical brain calcifications and underscores the syndrome’s diverse manifestations.

In this study involving genetically modified rats, researchers observed that specific mutations in the vitamin D receptor affect calcium levels and bone formation, emphasizing the receptor's role in maintaining healthy bone density and its importance in regulating hair cycle and skin health.

In this case study, a woman with high 25(OH)D levels and persistent symptoms showed decreased parathormone after transdermal estrogen therapy, highlighting the importance of assessing both parathormone and estrogen levels in similar patients.

Hair can show daily calcium changes, linked to body calcium levels and influenced by hormones, and can help assess calcium metabolism issues.

This study suggests that a specific region upstream of the TGF-β1 gene may play a key role in androgenetic alopecia by regulating gene expression in a cell-specific manner.

In this retrospective study of eight Saudi children with hereditary vitamin D resistant rickets, researchers observed that adjunctive cinacalcet appeared safe and showed initial promise in improving serum PTH levels, though further investigation is needed to confirm its efficacy.

This case report identifies a 32-year-old woman with undiagnosed PHPT-1a who exhibited complete pseudo-anodontia and persistent patchy alopecia areata, suggesting these may be new nonclassical features of a GNAS pathogenic variant.

This study found that Epiprofin acts as a negative regulator of parathyroid hormone transcription, with potential implications for controlling PTH production in hyperparathyroidism.

This retrospective study found that a majority of patients with low vitamin D levels also exhibited secondary hyperparathyroidism, highlighting the relationship between vitamin D deficiency and increased parathyroid hormone levels.

This study found that intravenous high dose calcium infusions followed by high dose oral calcium effectively treated vitamin D dependent rickets type II, leading to complete biochemical and radiological healing and improved growth in two patients.

This study assessed the physical and mental health-related quality of life in patients undergoing either open surgical repair or endovascular aneurysm repair for abdominal aortic aneurysm using the SF-36 tool.

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.

This study suggests that TIP39 and its receptor PTH2R, identified in human epidermis, may play a role in keratinocyte function and influence skin differentiation.

In this study, researchers observed that vitamin D deficiency is common among patients with musculoskeletal pain admitted to the hospital, with particularly low levels found in females.

This study found that the dehydroepiandrosterone hydroxylating enzyme system in hair follicles is similar to the liver monooxygenase system, sharing characteristics such as inhibition by carbon monoxide and dependency on NADPH.

This study found that low concentrations of CBD promoted hair follicle growth, while higher concentrations induced hair follicle regression and increased cell death in an experimental setting.

This study demonstrated that intradermal treatment with a medical device using Polynucleotides High Purification Technology (PN HPT) significantly improved skin surface, firmness, pigmentation, and radiance in 30 Asian subjects, with benefits lasting up to six months and no adverse events reported.

This study found that while CBD did not change gene expression including β-catenin in hair follicles, it restored decreased β-catenin expression in dermal papilla cells affected by testosterone or PMA, suggesting a potential modulating function on alopecia.

This consensus report provides detailed recommendations for using Polynucleotides Highly Purified Technology™ in aesthetic skin rejuvenation, highlighting its potential as a biostimulatory booster for face and body revitalization.

In this study, combining Polynucleotides High Purification Technology with hyaluronic acid significantly reduced atrophic post-acne scar areas and improved Goodman-Baron scores in a majority of treated patients over six months, reaffirming the approach's beneficial effects in a real-world outpatient setting.

This study observed that the degradation product PTeCA significantly increased in hair treated with oxidative cosmetics, suggesting it could be a reliable marker for detecting such treatments, with a proposed PTCA cut-off value using PTeCA as the gold standard.

This review summarizes research on cannabinoids like CBD and THCV, reporting that they improve hair growth in patients with androgenetic alopecia when applied topically, with CBD showing a dose-dependent effect.

This review discusses the potential benefits and challenges of using hemp actives like cannabinoids, terpenes, and flavonoids in skincare products, emphasizing their anti-inflammatory, antimicrobial, and antioxidant properties and strategies to enhance their penetration and integration in natural and sustainable cosmeceuticals.

This review discusses the diverse industrial applications of hemp beyond traditional fiber uses, highlighting its phytochemical components with antioxidant and antimicrobial properties that are explored in agrochemicals, cosmetics, and food sectors.

This exploratory study found that cannabidiol (CBD) at higher concentrations may inhibit hair growth by promoting the onset of catagen in human hair follicles, while lower concentrations showed potential anti-inflammatory effects without promoting catagen.

This study observed that a CBD-rich topical cannabis extract may increase hair count in patients with androgenetic alopecia when applied daily, but the effect is concentration-dependent and requires further research to establish safety and efficacy.