2. Signaling Pathways
  3. Vitamin D Related/Nuclear Receptor
  4. VD/VDR

VD/VDR

Vitamin D; Vitamin D receptor

VD/VDR

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Vitamin D is a secosteroidalprohormone, it can be synthesized at sufficient levels in skin, given adequate skin exposure to UV B radiation from sunlight. Vitamin D modulates its biological effects by directly regulating target gene expression through the Vitamin D receptor (VDR), a ligand-regulated transcription factor and a member of the nuclear receptor superfamily. Whether synthesized in the skin or ingested, vitamin D requires two hydroxylation steps to become the biologically active hormone, 1,25-dyhydroxyvitamin D3 [1,25(OH)2D3], a form that signals through the VDR. The hormone-bound VDR modulates target gene transcription in response to vitamin D. VDR acts as a master transcriptional regulator of autophagy. Activation of the VDR by vitamin D induces autophagy and an autophagic transcriptional signature in breast cancer (BC) cells.

There are 2 forms of vitamin D. Vitamin D2 (ergocalciferol) comes from irradiation of the yeast and plant sterol ergosterol, and vitamin D3 (cholecalciferol) is found in oily fish and cod liver oil and is made in the skin. Vitamin D represents vitamin D2 and vitamin D3.

Topical agents containing active vitamin D3 (calcitriol, 1α, 25- dihydroxyvitaminD3, VD3) analogues such as Tacalcitol, Calcipotriol and Maxacalcitol are widely used for psoriasis therapy.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-142129
    Pyrocholecalciferol
    Pyrocholecalciferol, a vitamin D analogue, produced by photochemical transformation of 7-dehydrocholesterol (7-DHC).
    Pyrocholecalciferol
  • HY-W745719
    Coumachlor-d4
    Coumachlor-d4 is the deuterium labeled Coumachlor (HY-W013200). Coumachlor is an orally active antieoagulant agent. Coumachlor is a vitamin K antagonist.
    Coumachlor-d<sub>4</sub>
  • HY-A0145R
    Phenprocoumon (Standard)
    		Antagonist
    Phenprocoumon (Standard) is the analytical standard of Phenprocoumon. This product is intended for research and analytical applications. Phenprocoumon is a coumarin derivative that acts as a long acting oral anticoagulant and an antagonist of vitamin K.
    Phenprocoumon (Standard)
  • HY-113958
    Difethialone
    		Inhibitor 99.84%
    Difethialone (LM-2219) is an anticoagulant rodenticide. Difethialone shows high rodenticide activity in warfarin-sensitive and resistant strains of rats and mice. Difethialone interferes with the circulation of vitamin K in the liver, preventing the synthesis of coagulation factors, resulting in the inability of the blood to coagulate properly, ultimately causing internal bleeding and death. Difethialone can be used in studies of ecological impacts.
    Difethialone
  • HY-117182
    LG190178
    LG190178 is a non-steroidal vitamin D receptor (VDR) ligand that can induce the formation of heterodimer complexes between VDR and retinoid X receptor (RXR), stabilizing the agonistic conformation of the VDR ligand-binding domain and promoting its interaction with co-activators. LG190178 has functions in regulating calcium homeostasis, bone mineralization, as well as cell proliferation, differentiation, and apoptosis, making it useful for research in psoriasis, osteoporosis, and cancer.
    LG190178
  • HY-178336
    AC-340
    		Agonist
    AC-340 is a potent hybrid VDR agonist/HDAC inhibitor. AC-340 superinduces VDR target genes (e.g., CYP24A1) and inhibits HDAC6 (IC50 = 0.37 μM) with ~10-fold selectivity over HDAC2. AC-340 induces VDR hyperagonism by causing widespread protein hyperacetylation (e.g., tubulin and H3K9/K27), which leads to elevated H3K27 acetylation on VDR target genes. AC-340 can be used for melanoma cancer research.
    AC-340
  • HY-14863
    Lunacalcipol
    		Agonist
    Lunacalcipol (CTA-018), as a vitamin D analogue, has a dual role in the pathogenesis of Chronic Kidney Disease (CKD), as an agonist of vitamin D receptor and an antagonist of cytochrome P450 enzyme 24-hydroxylase. Lunacalcipol binds to VDR and regulates transcriptional activity of VDR by influencing ligand binding affinity, ligand-dependent coactivator recruitment or inhibitory factor dissociation, efficiency of ligand entry into target cells, tissue specificity and different metabolism of ligand. Lunacalcipol can be used in the study of CKD, especially Secondary Hyperparathyroidism (sHPT).
    Lunacalcipol
  • HY-32348R
    Doxercalciferol (Standard)
    		Activator
    Doxercalciferol (Standard) is the analytical standard of Doxercalciferol. This product is intended for research and analytical applications. Doxercalciferol is a Vitamin D2 analog, acts as an activator of Vitamin D receptor, and prevent renal disease.
    Doxercalciferol (Standard)
  • HY-A0145S
    Phenprocoumon-d5
    Phenprocoumon-d5 is the deuterium labeled Phenprocoumon (HY-A0145). Phenprocoumon is a coumarin derivative that acts as a long acting oral anticoagulant and an antagonist of vitamin K.
    Phenprocoumon-d<sub>5</sub>
  • HY-76542AR
    5,6-trans-Vitamin D2 (Standard)
    		Control
    5,6-trans-Vitamin D2 (Standard) is the analytical standard of 5,6-trans-Vitamin D2. This product is intended for research and analytical applications. 5,6-trans-Vitamin D2 is the isomer of Vitamin D2[1].
    5,6-trans-Vitamin D2 (Standard)
  • HY-75035R
    Calcipotriol Impurity C (Standard)
    		Activator
    Calcipotriol Impurity C (Standard) is the analytical standard of Calcipotriol Impurity C. This product is intended for research and analytical applications.
    Calcipotriol Impurity C (Standard)
  • HY-148698
    2MD
    2MD is an orally active vitamin D analog. 2MD stimulates periosteal bone formation and decreases trabecular bone resorption. Thus 2MD restores trabecular and cortical bone mass and strength. 2MD also regulates intraocular pressure (IOP)-relative genes and reduces IOP in non-human primates.
    2MD
  • HY-10003S
    Alfacalcidol-d7
    		Activator
    Alfacalcidol-d7 is the deuterium labeled Alfacalcidol. Alfacalcidol (1-hydroxycholecalciferol) is a vitamin D active metabolites, acts as a non-selective VDR activator medication, and widely be used in the management of osteoporosis.
    Alfacalcidol-d<sub>7</sub>
  • HY-32350S
    Ercalcitriol-13C,d3
    		Activator
    Ercalcitriol-13C,d3 is the 13C- and deuterium labeled Ercalcitriol. Ercalcitriol (1α,25-Dihydroxy Vitamin D2) is an active metabolite of vitamin D2.
    Ercalcitriol-<sup>13</sup>C,d<sub>3</sub>
  • HY-121814A
    (R)-Acenocoumarol
    		Inhibitor
    (R)-Acenocoumarol ((R)-Acenocoumarin; (R)-Nicoumalone) is a short-acting and orally active anticoagulant, like Warfarin (HY-B0687), works by inhibiting vitamin K epoxide reductase. (R)-Acenocoumarol has a greater in vivo anticoagulant potency than Warfarin. (R)-Acenocoumarol has a single chiral center that produces two different enantiomeric forms. (R)-Acenocoumarol has a longer plasma elimination half-life (6.6 h) and a slower plasma clearance rate (1.9 L/h) than the (S)-enantiomer, resulting in a stronger in vivo anticoagulant effect.
    (R)-Acenocoumarol
  • HY-172087
    VDR agonist 3
    		Agonist
    VDR agonist 3 (Compound E15) is a potent vitamin D receptor (VDR) agonist. VDR agonist 3 can effectively inhibit HSC activation through VDR. VDR agonist 3 significantly reduces liver fibrosis without causing hypercalcemia in a CCl4-induced mouse liver fibrosis model.
    VDR agonist 3
  • HY-75958S1
    Vitamin D4-d5
    		Activator
    Vitamin D4-d5 is the deuterium labeled Vitamin D4. Vitamin D4 (22-Dihydroergocalciferol) is a Vitamin D derived from fungi. The precursor of Vitamin D4 is 22,23-dihydroergosterol.
    Vitamin D4-d<sub>5</sub>
  • HY-15398S1
    Vitamin D3-13C3
    		Activator
    Vitamin D3-13C3 is the 13C-labeled Vitamin D3. Vitamin D3 (Cholecalciferol; Colecalciferol) is a naturally occuring form of vitamin D. Vitamin D3 induces cell differentiation and prevents proliferation of cancer cells.
    Vitamin D3-<sup>13</sup>C<sub>3</sub>
  • HY-163947
    UG-480
    		Modulator
    UG-480 is a gemini analog that effectively stabilizes the active VDR conformation. UG-480 has antiproliferative effects in estrogen receptor-positive MCF-7 breast adenocarcinoma cells. UG-480 can be used in cancer research.
    UG-480
  • HY-10001AR
    Calcipotriol monohydrate (Standard)
    		Activator
    Calcipotriol (monohydrate) (Standard) is the analytical standard of Calcipotriol (monohydrate). This product is intended for research and analytical applications. Calcipotriol monohydrate is a synthetic VitD3 analogue with a high affinity for the vitamin D receptor.
    Calcipotriol monohydrate (Standard)
Cat. No. Product Name / Synonyms Application Reactivity