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Opioid addiction related to low vitamin D in many ways (in both mice and men) – June 2021

Vitamin D deficiency exacerbates UV/endorphin and opioid addiction

Sci Adv. 2021 Jun 11;7(24):eabe4577. doi: 10.1126/sciadv.abe4577
Lajos V Kemény 1, Kathleen C Robinson 1, Andrea L Hermann 1, Deena M Walker 2, Susan Regan 3, Yik Weng Yew 4, Yi Chun Lai 5, Nicholas Theodosakis 1, Phillip D Rivera 6 7 8, Weihua Ding 9, Liuyue Yang 9, Tobias Beyer 1, Yong-Hwee E Loh 2 10, Jennifer A Lo 1, Anita A J van der Sande 1, William Sarnie 1, David Kotler 1, Jennifer J Hsiao 1, Mack Y Su 1, Shinichiro Kato 1, Joseph Kotler 1, Staci D Bilbo 6 7, Vanita Chopra 11, Matthew P Salomon 12, Shiqian Shen 9, Dave S B Hoon 12, Maryam M Asgari 13, Sarah E Wakeman 3, Eric J Nestler 2, David E Fisher 14
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The current opioid epidemic warrants a better understanding of genetic and environmental factors that contribute to opioid addiction. Here we report an increased prevalence of vitamin D (VitD) deficiency in patients diagnosed with opioid use disorder and an inverse and dose-dependent association of VitD levels with self-reported opioid use.

We used multiple pharmacologic approaches and genetic mouse models and found that deficiencies in VitD signaling amplify exogenous opioid responses that are normalized upon restoration of VitD signaling.

Similarly, physiologic endogenous opioid analgesia and reward responses triggered by ultraviolet (UV) radiation are repressed by VitD signaling, suggesting that a feedback loop exists whereby VitD deficiency produces increased UV/endorphin-seeking behavior until VitD levels are restored by cutaneous VitD synthesis. This feedback may carry the evolutionary advantage of maximizing VitD synthesis. However, unlike UV exposure, exogenous opioid use is not followed by VitD synthesis (and its opioid suppressive effects), contributing to maladaptive addictive behavior.

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Created by admin. Last Modification: Wednesday June 30, 2021 12:11:05 GMT-0000 by admin. (Version 7)

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15851 Opiod GRH.jpg admin 30 Jun, 2021 12:07 101.34 Kb 49
15738 opioid addiction and low vitamin D.pdf PDF 2021 admin 12 Jun, 2021 15:44 581.49 Kb 63
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