research Cloning of a Functional Vitamin D Receptor from the Lamprey (Petromyzon marinus), an Ancient Vertebrate Lacking a Calcified Skeleton and Teeth 104 citations , May 2003 in “Endocrinology” Lampreys have a functional vitamin D receptor that may help detoxify harmful substances.
research VITAMIN D RESISTANT RICKETS WITH ALOPECIA: A FORM OF END ORGAN RESISTANCE TO 1,25 DIHYDROXY VITAMIN D 82 citations , April 1981 in “Clinical endocrinology” A girl with rickets and hair loss was found to have a rare condition where her body didn't respond to vitamin D treatment.
research Vitamin D-dependent rickets type II: extreme end organ resistance to 1,25-dihydroxy vitamin D3 in a patient without alopecia 50 citations , October 1986 in “European journal of pediatrics” 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 Reduced level of 25-hydroxyvitamin D in chronic/relapsing Alopecia Areata 40 citations , April 2013 in “Dermato-endocrinology” People with chronic Alopecia Areata often have lower vitamin D levels.
research An investigation of vitamin D status in alopecia areata 37 citations , June 2018 in “Clinical and Experimental Medicine” People with alopecia areata often have lower vitamin D levels and more inflammation, suggesting vitamin D might be involved in the condition.