research Increased 25(OH)D3 level in redheaded people: Could redheadedness be an adaptation to temperate climate?
Redheaded people may have evolved to efficiently make vitamin D in areas with less sunlight.
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research Segmental analysis of human hair reveals intra-annual variation in 25(OH)D3 concentrations in modern and archaeological individuals
Hair analysis can show changes in vitamin D levels over time.
research An unusual presentation of vitamin D dependent rickets type 2 with low 25 (OH) D3 levels and alopecia: a case report of two siblings
Two siblings with a rare type of rickets and hair loss had low vitamin D levels, which is not typical for their condition.
research Possible Association of Female-Pattern Hair Loss with Alteration in Serum 25-Hydroxyvitamin D Levels
Low vitamin D levels are linked to higher rates of hair loss in women.
research Serum 1, 25-dihydroxy vitamin D- vitamin D3- among obese Egyptian women with polycystic ovary syndrome
Obese women with PCOS have lower vitamin D levels.
research Is There An Association Between 25(OH)D Serum Levels and Vitamin D Status with The Severity of Androgenetic Alopecia Severity in Men?
Lower vitamin D levels are linked to more severe hair loss in men.
research Comparison of Vitamin 25(OH)D and Anti-Müllerian Hormone Status in Infertile Patients with Polycystic Ovary Syndrome and with Diminished Ovarian Reserve
Vitamin D levels do not significantly relate to the causes of PCOS or DOR in infertile patients.
research 1α,25(OH)2-Dihydroxyvitamin D3/VDR protects the skin from UVB-induced tumor formation by interacting with the β-catenin pathway
Vitamin D3 and its receptor help protect skin from UVB-related cancer.
research Vitamin D-dependent rickets type II: extreme end organ resistance to 1,25-dihydroxy vitamin D3 in a patient without alopecia
A boy with severe Vitamin D-resistant rickets did not respond to treatment and lacked a common symptom, suggesting a need for alternative treatments.
research Proliferation and Differentiation of Cultured Human Keratinocytes is Modulated by 1,25(OH)2D3 and Synthetic Vitamin D3 Analogues in a Cell Density‐, Calcium‐ and Serum‐Dependent Manner*
Vitamin D3 and its analogues affect skin cell growth and development depending on cell density, calcium levels, and serum presence.
research Association between Serum Brain-derived Neurotrophic Factor and 25-OH Vitamin D Levels with Vitamin D Receptors Gene Polymorphism (rs2228570) in Patients with Autoimmune Thyroiditis and Hypothyroidism
The VDR gene polymorphism does not affect BDNF levels in autoimmune thyroiditis and hypothyroidism patients.
research Structure, atomic Hirshfeld surface, spectroscopic studies and magnetic and dielectric properties of new mixed solid solution (NH4 )2 Mn0.17 Cu0.83 Cl4 ⋅2H2 O
The compound (NH4)2Mn0.17Cu0.83Cl4.2H₂O has a specific structure, shows weak magnetism at low temperatures, and undergoes phase changes at high temperatures.
research Possible association of female-pattern hair loss with alteration in serum 25-hydroxyvitamin D levels
Women losing hair might have lower levels of vitamin D.
research Gender difference in relationship between serum ferritin and 25-hydroxyvitamin D in Korean adults
Men and premenopausal women in Korea show different patterns in iron and vitamin D levels, with no clear pattern for postmenopausal women.
research Serum 25 hydroxyvitamin D levels in alopecia areata, female pattern hair loss, and male androgenetic alopecia in a Chinese population
Low vitamin D levels are linked to different types of hair loss.
research Serum 25 hydroxyvitamin D in non‐scarring alopecia: A systematic review and meta‐analysis
People with non-scarring hair loss often have lower vitamin D levels than those without hair loss.
research Evaluation of serum 25-hydroxy vitamin D levels in alopecia areata of scalp: a cross sectional observational study
People with alopecia areata often have low vitamin D levels, which may worsen their hair loss.
research Deficient and/or insufficient serum 25 hydroxy vitamin D in patients with alopecia areata: is it a fact or a fiction?
Low vitamin D levels might indicate more severe hair loss in alopecia areata patients.
research 25 Hydroxyvitamin D 1 α-Hydroxylase Is Required for Optimal Epidermal Differentiation and Permeability Barrier Homeostasis
The enzyme 25 Hydroxyvitamin D 1 α-Hydroxylase is essential for healthy skin and recovery after skin damage.
research Topographical and developmental studies on target sites of 1,25 (OH2) vitamin D3 in skin
Vitamin D3 affects cell differentiation in specific skin areas.
research Vitamin D Status Assessment: Lack of Correlation between Serum and Hair 25-Hydroxycholecalciferol Levels in Healthy Young Adults
Vitamin D levels in hair don't match those in blood, so hair isn't a reliable indicator of Vitamin D status.
research SUN-332 A Rare Case Of Hereditary 1,25 (OH)2D Resistant Rickets
A rare genetic mutation causes resistance to vitamin D, leading to severe rickets and requires high doses of calcium and vitamin D for management.
research 6874 A Rare Case Of Hereditary 1,25 (OH)2D Resistant Rickets
A rare genetic mutation causes resistance to vitamin D, leading to severe rickets and requiring high doses of calcium and vitamin D for treatment.
research The vitamin D receptor functions as a transcription regulator in the absence of 1,25-dihydroxyvitamin D3
The vitamin D receptor can regulate genes and affect hair and hormone levels without its usual activator.
research Evidence for 1,25-Dihydroxyvitamin D3-independent Transactivation by the Vitamin D Receptor
The vitamin D receptor can work without its usual activating molecule.
research Hereditary 1,25‐Dihydroxyvitamin D–Resistant Rickets Due to an Opal Mutation Causing Premature Termination of the Vitamin D Receptor
A specific gene mutation causes vitamin D-resistant rickets and hair loss.
research Two New Unrelated Cases of Hereditary 1,25-Dihydroxyvitamin D-resistant Rickets with Alopecia resulting from the same Novel Nonsense Mutation in the Vitamin D Receptor Gene
A new gene mutation causes vitamin D resistance and hair loss in two unrelated girls.
research 1,25-(OH)2D3 promotes hair growth by inhibiting NLRP3/IL-1β and HIF-1α/IL-1β signaling pathways
1,25-(OH)2D3 helps hair grow by blocking certain harmful signals.
research 211 Effect of 1α,25-dihydroxyvitamin D3 on mechanical properties of hairless mouse skin
Vitamin D3 applied to mouse skin caused more wrinkles and sagging due to changes in the skin's outer layer.
research Hereditary 1,25-Dihydroxyvitamin D Resistant Rickets due to a Mutation Causing Multiple Defects in Vitamin D Receptor Function
A specific gene mutation causes vitamin D resistance, but certain vitamin D analogs might help.