Their identification and subsequent treatment with cholecalciferol (Vitamin D3) or ergocalciferol
(Vitamin D2) in order to obtain adequate seric levels, allows a greater amount of substrate for the proximal convoluted tubule cells, and then inside improve the synthesis of the active form of vitamin D (calcitriol or 1,25(OH)2D) in patients with CKD without dialysis requirements, avoiding the development of all complications from hyperparathyroidism.
Los esteroles naturales de vitamina D incluyen al ergocalciferol
, colecalciferol, 25-hidroxivitamina D y calcitriol.
We don't naturally generate D2, or ergocalciferol
, which is derived in supplement form by irradiating yeast and fungus.
(vitamin D2) is also used in some countries.
Thompson, Antibacterial Activity of Long Chain Fatty Acids and the Reversal with Calcium, Magnesium, Ergocalciferol
and Cholesterol, J.
Effects of dietary cholecalciferol and ergocalciferol
A separate section on 'vitamins and minerals' lists liquid (400 IU/ml) and solid dosage forms (400 IU, 1,000 IU) of cholecalciferol, while mentioning ergocalciferol
as an alternative (2).
The other, vitamin D2, or ergocalciferol
, derives from foods or supplements.
There are two types of Vitamin D: Ergocalciferol
(Vitamin D2) a plant product and Colecalciferol (Vitamin D3) which is a fish or mammal product.
2] o ergocalciferol
, se puede obtener de dietas de origen vegetal (48).
Cholecalciferol is more effective than ergocalciferol
in elevating total 25(OH)D concentrations and maintaining those levels for a longer time .
The Endocrine Society guidelines recommend an intake of at least 600 to 800 IU oral vitamin D3 for adults in the therapeutic range but advise considerably higher doses of 50,000 units of ergocalciferol
(vitamin D2) weekly for 8 wk if subjects are deficient .
1986) Unique rearrangement of ergocalciferol
side chain in vitro: production of a biologically highly active homologue of 1,25dihydroxyvitamin [D.
The treatment of secondary hyperparathyroidism includes administration of active forms of vitamin D that act to suppress the PTH (NKF, 2003), and ergocalciferol
(vitamin D3) and cholecalciferol (vitamin D2) to treat nutritional vitamin D deficiency (Nigwekar, Bhan, & Thadhani, 2012).
Vitamin D3, or cholecalciferol, is much stronger and more active than vitamin D2, or ergocalciferol