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anti-Human CYP27B1 Anticorps:
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Human Polyclonal CYP27B1 Primary Antibody pour FACS, IHC (p) - ABIN652999
Simon, Munger, Xing Yang, Ascherio: Polymorphisms in vitamin D metabolism related genes and risk of multiple sclerosis. dans Multiple sclerosis (Houndmills, Basingstoke, England) 2010
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Human Polyclonal CYP27B1 Primary Antibody pour IHC (fro), WB - ABIN541861
Bland, Walker, Hughes, Stewart, Hewison: Constitutive expression of 25-hydroxyvitamin D3-1alpha-hydroxylase in a transformed human proximal tubule cell line: evidence for direct regulation of vitamin D metabolism by calcium. dans Endocrinology 1999
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Data show that in tissue and secreted cells from the infected mammary glands, 25-hydroxyvitamin D(3) 1alpha-hydroxylase (1alpha-OHase; CYP27B1) gene expression was significantly increased compared to expression in tissue and cells from the healthy mammary tissue.
expression in uterine leiomyoma comparable to expression in normal myometrium
These results suggested CYP28B1 gene polymorphisms may be independently associated with the efficacy of IFN in HBeAg-positive patients.
Expression analysis showed significant CYP27B1 upregulation in epileptic male patients aged between 30 and 40.
We showed that the AA genotype of VDR polymorphism is associated with Familial Mediterranean fever in males but not in females
We observed associations between VDR, GC, and CYP27B1 variants and maternal 25-hydroxyvitamin D concentration. Our results provide additional support for a possible role of genetic variation in vitamin D metabolism genes on vitamin D status during pregnancy.
detected in chondrocytes of healthy-looking knee cartilage in osteoarthritis patients
colorectal cancer (CRC) patients had a higher frequence of insufficient vitamin D and a higher concentration of active vitamin D. These concentration were higher between patients with polymorphic genotypes variants of ApaI and BsmI, CYP24A1 and CYP27B1. Polymorphic genotypes cause a lower correlation between the forms of vitamin D.
This Mendelian randomization study provides no evidence that circulating 25OHD concentration plays a major role in the development of PD in individuals of European ancestry.
in teens with positive recto-vaginal group B streptococcus colonization, placental mRNA expression of CYP27B1 is lower compared to those who tested negative for this infection
Dietary habits, lifestyle, and polymorphisms in VDR (ApaI), CYP24A1 (rs6013897, rs158552, rs17217119) and CYP27B1 (rs10877012) were associated with a higher risk of colorectal cancer
primary human osteoblasts in the presence of high calcium concentrations increase their CYP27B1 mRNA levels by 1.3-fold
The multiple sclerosis-associated regulatory variant rs10877013 affects expression of CYP27B1 and VDR under inflammatory or vitamin D stimuli.
Vascular Calcification Induced by Chronic Kidney Disease Is Mediated by an Increase of 1alpha-Hydroxylase Expression in Vascular Smooth Muscle Cells
The local regulation of vitamin D in sinonasal tissue during chronic rhinosinusitis may be independent of serum 25(OH)D levels. Vitamin D may be dysregulated at multiple levels, with decreased transcription of the metabolic gene CYP27B1 and increased transcription of the catabolic gene CYP24A1.
IL-13 suppressed cyp27b1 expression in CD14(+) cells. IL-13 increased expression of miR-19a in CD14(+) cells. IL-13 suppresses cyp27b1 expression in peripheral CD14(+) cells via up regulating miR-19a expression.
Uremic serum increased the intracellular expression of IL-6, IFN-gamma, TLR7, TLR9, VDR, CYP27b1 and CYP24a1
Women with Recurrent Miscarriage have a lower level of CYP27B1 expression in chorionic villi and decidua compared with normal pregnant women, suggesting that reduced CYP27B1 expression may be associated with Recurrent Miscarriage.
Mutation in CYP27B1 is associated with Vitamin D-Dependent Rickets Type 1.
Male placental cotyledons showed reduced basal CYP27B1 and cathelicidin gene expression compared to females.
Expression of CYP27B1 was in spermatozoa from healthy controls compared with infertile men, however the percentage of spermatozoa expressing CYP27B1 was not significantly higher.
These results reveal that differential regulation of Cyp27b1 expression represents a mechanism whereby 1,25(OH)2D3 can fulfill separate functional roles, first in the kidney to control mineral homeostasis and second in extra-renal cells to regulate target genes linked to specific biological responses.
The data indicate that abnormal osteoclastogenesis due to the absence of CYP27B1 expression, consistent with the notion that endogenous metabolism of 25-hydroxyvitamin D optimizes osteoclastogenesis and ameliorates the resulting activity of mature osteoclasts.
The absence of 25-hydroxyvitamin D3-1alpha-hydroxylase potentiates the suppression of EAE in mice by ultraviolet light.
Cyp27b1(-/-) mice exhibited hypocalcemia, growth defects, and skeletogenesis dysfunction, similar to Vdr(-/-) mice, but do not display alopecia
Findings demonstrate that in-tumor CYP27B1 1-alpha-hydroxylase activity plays a crucial role in controlling early oncogene-mediated mammary carcinogenesis events, at least in part by modulating tumoral cell NF-kappaB p65 nuclear translocation.
the effect of 25-hydroxyvitamin D-1-alpha-hydroxylase on the atherosclerosis disease both in apolipoprotein (apo) E-/- mice and wild-type mice, was investigated.
P450C1 alpha deficiency results in abnormal calcium handling and cardiac dysfunction in mice with defective vitamin D signaling.
Throughout the male reproductive tract specific bands of CYP27B1 are determined.
observed a 3- to 10-fold increase in CYP27B1 mRNA abundance in the lung, spleen, aorta and testis of FGF-23 null/1alpha-Luc mice
Data show that the absence of either of the two key hydroxylases, vitamin D 25-hydroxylase (CYP2R1) or vitamin D 25-hydroxyvitamin D-1alpha-hydroxylase (CYP27B1)neither inhibits nor enhances the development of experimental autoimmune encephalomyelitis (EAE).
These results confirm the expression of vitamin D receptor and Cyp27b1 in vivo and suggest a potential role for vitamin D(3) in skeletal muscle regeneration following injury.
Bone formation parameters were increased significantly in all pups fed by dams on the rescue diet but were still lower in 1alpha(OH)ase(-/-) pups than in 1alpha(OH)ase(+/-) pups.
1alpha-hydroxylase may have a role in enhanced radiosensitivity
regulation of bone CYP27B1 is unique from that in the kidney, and may play an important role in bone formation
study shows CYP27B1 can hydroxylate 25-hydroxyvitamin D2 & 25-hydroxyvitamin D3 associated with phospholipid membranes; low activity found at higher membrane levels of 25-hydroxyvitamin D; substrate inhibition may contribute to enzyme activity regulation
findings demonstrate that regulation of both the 25-hydroxyvitamin D-1 alpha-hydroxylase and 25-hydroxyvitamin D-24-hydroxylase genes by phosphorus is disordered in hypophosphatemic mice at the level of renal mRNA expression
both 1alphaOHase gene ablation and Pi supplementation inhibit renal calcification in Npt2-/- mice and that 1,25(OH)2D is essential for the development of hypercalciuria and nephrocalcinosis in the mutant strain.
leptin suppresses renal gene overexpression for 1 alpha-hydroxylase and 24-hydroxylase and corrects increased serum concentrations of calcium and phosphate in ob/ob mice.
1 alpha-OHase knockout mice fed a normal Ca2+ diet developed severe hypocalcemia, rickets and died with an average life span of 12 +/- 2 weeks
This gene encodes a member of the cytochrome P450 superfamily of enzymes. The cytochrome P450 proteins are monooxygenases which catalyze many reactions involved in drug metabolism and synthesis of cholesterol, steroids and other lipids. The protein encoded by this gene localizes to the inner mitochondrial membrane where it hydroxylates 25-hydroxyvitamin D3 at the 1alpha position. This reaction synthesizes 1alpha,25-dihydroxyvitamin D3, the active form of vitamin D3, which binds to the vitamin D receptor and regulates calcium metabolism. Thus this enzyme regulates the level of biologically active vitamin D and plays an important role in calcium homeostasis. Mutations in this gene can result in vitamin D-dependent rickets type I.
cytochrome P450, family 27, subfamily B, polypeptide 1
, 25-hydroxyvitamin D-1 alpha hydroxylase, mitochondrial
, mitochondrial 25 hydroxyvitamin D3-1alpha-hydroxylase
, 25 hydroxyvitamin D3-1-alpha hydroxylase
, 25-OHD-1 alpha-hydroxylase
, VD3 1A hydroxylase
, calcidiol 1-monooxygenase
, cytochrome P450 subfamily XXVIIB polypeptide 1
, cytochrome P450C1 alpha
, cytochrome P450VD1-alpha
, cytochrome p450 27B1
, 25-hydroxyvitamin D(3) 1-alpha-hydroxylase
, P450C1 alpha
, cytochrome P450 40 (25-hydroxyvitamin D3 1 alpha-hydroxylase)
, cytochrome P450 subfamily XXVIIB (25-hydroxyvitamin D-1-alpha-hydroxylase) polypeptide 1
, cytochrome P450, 40 (25-hydroxyvitamin D3 1 alpha-hydroxylase)
, cytochrome P450, subfamily 27b, polypeptide 1
, 25(OH)D 1alpha-hydroxylase
, 25-hydroxyvitamin D-1 alpha hydroxylase, mitochondrial precursor (25-OHD-1 alpha-hydroxylase) (25-hydroxyvitamin D3 1-alpha-hydroxylase) (VD3 1A hydroxylase) (P450C1 alpha) (P450VD1-alpha)
, 25-hydroxyvitamin D3 1alpha-hydroxylase
, cytochrome P450, 27b1