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Vitamin D receptor as a target for breast cancer therapy (abstract only) – Feb 2017

Endocr Relat Cancer. 2017 Feb 17. pii: ERC-16-0463. doi: 10.1530/ERC-16-0463. [Epub ahead of print]
Murray A1, Madden S2, Synnott NC3, Klinger R4, O'Connor D5, O'Donovan N6, Gallagher W7, Crown J8, Duffy M9.

VitaminDWiki
  • There have been strong hints that high vitamin D dosing along with adjusting cofactors may allow treating of many Cancers.
  • Note1: Breast Cancer is 4.6 times more likely to occur if have poor Vitamin D Receptor (see below)
  • Note2: Reducing Calcium intake and drinking lots of water both reduce "calcemic potential,"

Items in both VitaminDWiki categories Breast Cancer and Vitamin D Receptor are listed here:

Vitamin D Receptor category has the following

300 items in Vitamin D Receptor category

Vitamin D tests cannot detect Vitamin D Receptor (VDR) problems
A poor VDR restricts Vitamin D from getting in the cells
It appears that 30% of the population has a poor VDR (40% of the Obese )

A poor VDR increases the risk of 53 health problems  click here for details

VDR at-home test $29 - results not easily understood in 2016
There are hints that you may have inherited a poor VDR

Compensate for poor VDR by increasing one or more:

IncreasingIncreases
1) Vitamin D supplement
  Sun, Ultraviolet -B
Vitamin D in the blood
and thus in the cells
2) MagnesiumVitamin D in the blood
 AND in the cells
3) Omega-3 Vitamin D in the cells
4) Resveratrol Vitamin D Receptor
5) Intense exercise Vitamin D Receptor
6) Get prescription for VDR activator
   paricalcitol, maxacalcitol?
Vitamin D Receptor
7) Quercetin (flavonoid) Vitamin D Receptor
8) Zinc is in the VDRVitamin D Receptor
9) BoronVitamin D Receptor ?,
etc
10) Essential oils e.g. ginger, curcuminVitamin D Receptor
11) ProgesteroneVitamin D Receptor
12) Infrequent high concentation Vitamin D
Increases the concentration gradient
Vitamin D in the cells

Note: If you are not feeling enough benefit from Vitamin D, you might try increasing VDR activation. You might feel the benefit within days of adding one or more of the above

Far healthier and stronger at age 72 due to supplements Includes 6 supplements which help the VDR

If poor Vitamin D Receptor

Risk
increase
Health Problem
50Lyme Disease
28Leprosy - another says 3X
15Chronic Heart Failure
13Sepsis
9.6Chronic Periodontitis
   and smoke
8Juvenile Rheumatoid Arthritis
7.6Crohn's disease
7.5Respiratory Tract Infections
5.8Low back pain in athletes
5 Respiratory Distress in preemies
5Ulcerative Colitis
5Coronary Artery Disease
5Asthma Child see also 2.0 and 1.3
4.6Breast Cancer 16.9 X another study
4.1Vitiligo
4Polycystic ovary syndrome
3.6 Pneumonia - children
3.3 Pre-term birth
3.1 Colon Cancer survival
3 Multiple Sclerosis
3Dengue
3 Waist size
3 Ischemic Stroke
3Alzheimer’s
3Gestational Diabetes
2.9Hand, Foot, Mouth Disease
2.8Osteoporosis & COPD
2.7Gastric Cancer
2.6Lupus in children
2.5 Lumbar Disc Degeneration
2.4Lung Cancer
2.3Autism
2.2Juvenile idiopathic arthritis
2.1Adolescent idiopathic scoliosis in Asians
2Diabetic Retinopathy
2Parkinson's
2 Wheezing/Asthma see also 5X
2 Melanoma   Non-melanoma Skin Cancers
2Myopia
2Preeclampsia
1.9Uterine Fibroids
1.9Early tooth decay
1.8Diabetic nephropathy
1.8Sleep Apnea
1.6Diabetes - Type I
1.6Prostate Cancer while black
1.5 Diabetes -Type II
1.5Pertusus
1.5Obesity
1.4Graves Disease
1.4 Rheumatoid arthritis
1.3Childhood asthma see also 5X
1.3Psoriasis in Caucasians
1.3Tuberculosis
?? Rickets - Vitamin D resistant

Considerable epidemiological evidence suggests that high levels of circulating vitamin D (VD) are associated with a decreased incidence and increased survival from cancer, i.e., VD may possess anti-cancer properties. The aim of this investigation was therefore to investigate the anti-cancer potential of a low calcemic vitamin D analogue, i.e., inecalcitol and compare it with the active form of vitamin D, i.e., calcitriol, in a panel of breast cancer cell lines (n = 15). Using the MTT assay, IC50 concentrations for response to calcitriol varied from 0.12 µM to >20 µM, while those for inecalcitol were significantly lower, ranging from 2.5 nM to 63 nM (p = 0.001). Sensitivity to calcitriol and inecalcitol was higher in VD receptor (VDR)-positive compared to VDR-negative cell lines (p = 0.0007 and 0.0080, respectively) and in ER-positive compared to ER-negative cell lines (p = 0.043 and 0.005, respectively). Using RNA-seq analysis, substantial but not complete overlap was found between genes differentially regulated by calcitriol and inecalcitol. In particular, significantly enriched gene ontology terms such as cell surface signalling and cell communication were found following treatment with inecalcitol but not with calcitriol. In contrast, ossification and bone morphogenesis were found significantly enriched following treatment with calcitriol but not with inecalcitol. Our preclinical results suggest that calcitriol and inecalcitol can inhibit breast cancer cell line growth, especially in cells expressing ER and VDR. As inecalcitol, is significantly more potent than calcitriol and has low calcemic potential, it should be further investigated for the treatment of breast cancer.

PMID: 28213567 DOI: 10.1530/ERC-16-0463

Publisher wants $30 for the PDF

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