Most labs use a normal range of 200-1200 ng/mL, but reversible symptoms of deficiency can be seen in patients whose blood levels fall within this range
Without enough of it, fat has a harder time getting to the machinery that burns it, and the body leans more on other fuel sources
Further research and clinical trials are necessary to determine the long-term safety and efficacy of MSC-based therapies for doxorubicin-induced cardiomyopathy [220]
Physicians may opt to treat these patients and monitor for improvement of metabolic markers, particularly in populations at high risk of clinical vitamin B 12 deficiency, or observe these patients and periodically reassess their levels of vitamin B 12 , homocysteine, and/or methylmalonic acid
or continuous low-dose with periodic higher-dose phases
For the correlation analysis, the RNA levels of GPX4, FBI-1 and miRNA-324-3p in the 32 tumor tissue samples were examined by qPCR