Influence of Vitamin D on Islet Autoimmunity and Beta-Cell Function in Type 1 Diabetes
Nutrients. 2019 Sep 11;11(9). pii: E2185. doi: 10.3390/nu11092185.
Infante M1,2, Ricordi C3, Sanchez J4, Clare-Salzler MJ5, Padilla N6, Fuenmayor V7, Chavez C8, Alvarez A9, Baidal D10, Alejandro R11, Caprio M12,13, Fabbri A14.
Items in both categories Diabetes and Infant-Child (proxie for T1D):
- FDA drug to TREAT child Type 2 diabetes (based on 1 trial of only 50) – June 2023
- Vitamin D2 not help – again ( T1 diabetes– which has been helped by D3) – Jan 2022
- Somewhat less Type 1 Diabetes in Wales recently – perhaps more sun or more vitamin D – March 2021
- Type 1 Diabetes (Autoimmune) and Vitamin D, Vitamin D Receptor and Cathelicidin - Dec 2020
- T1 Diabetes 3X lower risk if high vitamin D (over 40 ng) – Meta-analysis Nov 2020
- Poor CYP2R1 gene results in lower vitamin D and 2X increase in T1 Diabetes – Sept 2019
- Milk Consumption Is strongly linked to Type 1 Diabetes – Dr. Greger Nov 2019
- T1 Diabetes treated by Vitamin D and Omega-3 (many other studies agree) Jan 2018
- Children in India – 1 in 7 extremely low Vitamin D, 1 in 10 prediabetic – Sept 2019
- Type 1 diabetes trial having problems getting participants – too many taking Vitamin D or Omega-3 – Aug 2019
- Type 1 Diabetes is prevented and treated by Vitamin D – review of 16 studies – Sept 2019
- T1 Diabetes reduction by high Omega-3 and Vitamin D – GRH ongoing observation
- Type 1 Diabetes prevention with Vitamin D and Omega-3 – Symposium April 2019
- Type 1 Diabetes risk increased if high postpartum Vitamin D binding protein – Jan 2019
- T1 Diabetes – how it may be prevented and treated by Vitamin D – Dec 2018
- Vitamin D and Omega-3 may treat Type 1 Diabetes – RCT 2024
- Type 1 Diabetes is increasing – decreased vitamin D is one of the many possible reasons – Sept 2018
- Early Type 1 Diabetes May Shorten Women’s Lives by 18 Years - Aug 2018
- Type 1 Diabetes (T1DM) 1.6 X more likely if low vitamin D – meta-analysis Jan 2018
- Type 1 Diabetes 14 percent more likely with 2 Vitamin D Receptor mutations – Oct 2017
- T1 Diabetes associated with many other autoimmune diseases (all related to low vitamin D) – May 2017
- Vitamin D deficiency is associated with prediabetes in obese Swedish children – Oct 2016
- Type 1 diabetes 1.6 times more likely if a Vitamin D Receptor problem – Feb 2017
- Type II Diabetes in children in India increased 4 X in 20 years – Nov 2016
- Type 1 diabetes risk not decreased if add 400 IU vitamin D while pregnant (no surprise) – Dec 2016
- T1 Diabetes in child not prevented by a tiny amount of vitamin D during pregnancy – Nov 2015
- Diabetes (Type 1) increasing 4 percent per year, now 30,000 in the UK - May 2015
- T1 diabetes in children helped with two doses of 150,000 IU of vitamin D and Calcium – March 2015
- Type I diabetes in dark skin children associated with low vitamin D if far from equator – Jan 2015
- Type 1 diabetes helped with 50,000 IU of vitamin D every two weeks – Nov 2014
- T1 Diabetes associated with low vitamin D - Nov 2014
- Type I Diabetes stopped increasing in Finland after Vitamin D levels were raised – July 2014
- Diabetic children often need more than 7,000 IU of vitamin D – June 2014
- T1 Diabetes 35 percent more likely if 10 degrees further from equator (less vitamin D) – June 2014
- Higher vitamin D at birth associated with less diabetes and obesity 35 years later – Jan 2014
- Type 1 diabetes 3.5X more frequent if low vitamin D - Medscape CME Dec 2012
- Metabolic Syndrome in children is associated with low vitamin D – review Jan 2013
- Like their diabetic mothers, infants had low vitamin D and were slightly diabetic – May 2012
- Type I diabetes 2X more likely if mother had low vitamin D – Jan 2012
Items in categories Diabetes and Infant-Child (proxie for T1D) and Vitamin D Receptor:
Items in categories Diabetes and Infant-Child (proxie for T1D) and Omega-3:
- T1 Diabetes treated by Vitamin D and Omega-3 (many other studies agree) Jan 2018
- Type 1 diabetes trial having problems getting participants – too many taking Vitamin D or Omega-3 – Aug 2019
- T1 Diabetes reduction by high Omega-3 and Vitamin D – GRH ongoing observation
- Type 1 Diabetes prevention with Vitamin D and Omega-3 – Symposium April 2019
- Vitamin D and Omega-3 may treat Type 1 Diabetes – RCT 2024
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Table of Contents
Type 1 diabetes (T1D) is a chronic autoimmune disease leading to immune-mediated destruction of pancreatic beta cells, resulting in the need for insulin therapy. The incidence of T1D is increasing worldwide, thus prompting researchers to investigate novel immunomodulatory strategies to halt autoimmunity and modify disease progression.
T1D is considered as a multifactorial disease, in which genetic predisposition and environmental factors interact to promote the triggering of autoimmune responses against beta cells. Over the last decades, it has become clear that vitamin D exerts anti-inflammatory and immunomodulatory effects, apart from its well-established role in the regulation of calcium homeostasis and bone metabolism. Importantly, the global incidence of vitamin D deficiency is also dramatically increasing and epidemiologic evidence suggests an involvement of vitamin D deficiency in T1D pathogenesis.
Polymorphisms in genes critical for vitamin D metabolism have also been shown to modulate the risk of T1D.
Moreover, several studies have investigated the role of vitamin D (in different doses and formulations) as a potential adjuvant immunomodulatory therapy in patients with new-onset and established T1D.
This review aims to present the current knowledge on the immunomodulatory effects of vitamin D and summarize the clinical interventional studies investigating its use for prevention or treatment of T1D.