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Vitamin D Fights Heart Cell Death
1 Oct
Summary
- Low vitamin D increases oxidative stress in heart tissue.
- Vitamin D deficiency impairs crucial cellular defense mechanisms.
- Active vitamin D showed protective effects in lab studies.
Researchers from the ICMR-National Institute of Nutrition (NIN) have discovered that low vitamin D levels may inflict cellular damage on the heart. The study indicates that insufficient vitamin D weakens the body's ability to combat oxidative stress and injury.
Findings from studies using rat models and heart cells revealed that vitamin D deficiency significantly increases oxidative damage. It also reduces key antioxidants and impairs a critical cellular defense pathway known as Nrf2.
Experiments showed that vitamin D deficiency led to increased markers of cellular stress and programmed cell death in heart tissues. Conversely, treatment with the active form of vitamin D improved antioxidant responses and reduced signs of damage.
While these results are promising, scientists caution that further human studies are necessary to confirm these effects. The research suggests vitamin D could be vital for maintaining heart health, not just bone strength.
