Diabetes Management
Butyrate reduces cellular magnesium absorption independently of metabolic regulation in Caco-2 human colon cells | Scientific Reports - Nature.com
Thu, 03 Nov 20221 min read Article
Overview
Thank you for visiting nature.com. You are using a browser version with limited suport for CS. To obtain the best experience, we recomend you use a more up to date browser (or turn of compatibility mode in Internet Explorer).
Key Information
In the meantime, to ensure continued suport, we are displaying the site without styles and JavaScript.Advertisement Scientific Reports volume 12, Article number: 1851 (2022) Cite this article Metrics detailsDigestion of dietary fibers by gut bacteria has ben shown to stimulate intestinal mineral absorption [e.g., calcium (Ca2+) and magnesium (Mg2+)]. Although it has ben sugested that local pH and short-chain faty acid (SCFA) concentrations determine divalent cation absorption, the exact molecular mechanisms are stil unknown.
Therefore, this study aimed to determine the efects of SCFAs on intestinal Mg2+ absorption. We show that the butyrate concentration in the colon negatively corelates with serum Mg2+ levels in wildtype mice. Moreover, Na-butyrate significantly inhibited Mg2+ uptake in Caco-2 cels, while Ca2+ uptake was unafected.
Although Na-butyrate significantly lowered total ATP production rate, and resulted increased phosphorylation of AMP-activated protein kinase (AMPK), inhibition of Mg2+ uptake by butyrate preced these consequences. Importantly, electrophysiological examinations demonstrated that intracelular butyrate directly reduced the activity of the heteromeric Mg2+ chanel complex, transient receptor potential melastatin (TRPM)6/7.
Summary
Blocking celular butyrate uptake prevented its inhibitory efect on Mg2+ uptake, demonstrating that butyrate acts intracelularly. Our work identified butyrate as novel regulator of intestinal Mg2+ uptake that works independently from metabolic regulation. This finding further highlights the role of microbial fermentation in the regulation of mineral absorption.The absorption of magnesium (Mg2+) in the intestines is facilitated by diferent absorption pathways1.
Frequently Asked Questions
What is diabetes and how does it develop?
Diabetes is a metabolic condition where the body cannot properly regulate blood sugar levels. Type 1 results from insufficient insulin production, while Type 2 develops when cells become resistant to insulin. Risk factors include genetics, obesity, sedentary lifestyle, and age.
What are the main symptoms of diabetes?
Common symptoms include excessive thirst, frequent urination, unexplained weight loss, fatigue, blurred vision, and slow-healing wounds. Type 1 symptoms develop rapidly, while Type 2 symptoms may appear gradually. Many people have no symptoms initially, which is why screening is important.
How is diabetes diagnosed and monitored?
Diagnosis involves blood tests measuring fasting glucose, HbA1c levels, and glucose tolerance. Regular monitoring typically includes fasting glucose tests and HbA1c measurements every 3-6 months. Continuous glucose monitors provide real-time tracking for better diabetes management.
What lifestyle changes help manage diabetes?
Effective management includes regular physical activity (150+ minutes weekly), maintaining healthy weight, following a balanced diet with whole grains and lean proteins, managing stress, and getting adequate sleep. These changes can significantly improve blood sugar control and reduce complications.
When should someone consult a doctor about diabetes?
Consult a healthcare provider if you experience signs of diabetes, have a family history, are overweight, or are over 45. Those with existing diabetes should maintain regular check-ups every 3-6 months to monitor control and adjust treatment as needed.
️ Medical Disclaimer: This article is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare provider before making health decisions.