![Tony Breu on Twitter: "5/ Let's return to megaloblastic anemia secondary to B12 or folate deficiency. When either is severely deficient deoxythymidine monophosphate (dTMP*) production is hindered. With less dTMP, DNA synthesis Tony Breu on Twitter: "5/ Let's return to megaloblastic anemia secondary to B12 or folate deficiency. When either is severely deficient deoxythymidine monophosphate (dTMP*) production is hindered. With less dTMP, DNA synthesis](https://pbs.twimg.com/media/EqgX43SXYAElUhi.jpg:large)
Tony Breu on Twitter: "5/ Let's return to megaloblastic anemia secondary to B12 or folate deficiency. When either is severely deficient deoxythymidine monophosphate (dTMP*) production is hindered. With less dTMP, DNA synthesis
![Schematic of the One-Carbon cycle. Vitamin B12 is a co- factor in the... | Download Scientific Diagram Schematic of the One-Carbon cycle. Vitamin B12 is a co- factor in the... | Download Scientific Diagram](https://www.researchgate.net/publication/240307034/figure/fig1/AS:298595388542976@1448202096135/Schematic-of-the-One-Carbon-cycle-Vitamin-B12-is-a-co-factor-in-the-transfer-of.png)
Schematic of the One-Carbon cycle. Vitamin B12 is a co- factor in the... | Download Scientific Diagram
![Folate rescues vitamin B12 depletion-induced inhibition of nuclear thymidylate biosynthesis and genome instability | PNAS Folate rescues vitamin B12 depletion-induced inhibition of nuclear thymidylate biosynthesis and genome instability | PNAS](https://www.pnas.org/cms/10.1073/pnas.1619582114/asset/becefb9a-6a4c-4dcc-a4ba-0908466673a8/assets/graphic/pnas.1619582114fig01.jpeg)
Folate rescues vitamin B12 depletion-induced inhibition of nuclear thymidylate biosynthesis and genome instability | PNAS
![Effects of Vitamin B12 and Folate Deficiencies on DNA Methylation and Carcinogenesis in Rat Liver | Semantic Scholar Effects of Vitamin B12 and Folate Deficiencies on DNA Methylation and Carcinogenesis in Rat Liver | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/8c11ffe2936aebb2269f79645ca1b87da6547346/2-Figure1-1.png)
Effects of Vitamin B12 and Folate Deficiencies on DNA Methylation and Carcinogenesis in Rat Liver | Semantic Scholar
![Is There a Carcinogenic Risk Attached to Vitamin B12 Deficient Diets and What Should We Do About It? Reviewing the Facts - Loedin - 2021 - Molecular Nutrition & Food Research - Wiley Online Library Is There a Carcinogenic Risk Attached to Vitamin B12 Deficient Diets and What Should We Do About It? Reviewing the Facts - Loedin - 2021 - Molecular Nutrition & Food Research - Wiley Online Library](https://onlinelibrary.wiley.com/cms/asset/3cedb6ff-08d6-4d34-8843-f475a8c63008/mnfr3932-gra-0001-m.jpg?trick=1685329045323)
Is There a Carcinogenic Risk Attached to Vitamin B12 Deficient Diets and What Should We Do About It? Reviewing the Facts - Loedin - 2021 - Molecular Nutrition & Food Research - Wiley Online Library
![Vitamin B12: one carbon metabolism, fetal growth and programming for chronic disease | European Journal of Clinical Nutrition Vitamin B12: one carbon metabolism, fetal growth and programming for chronic disease | European Journal of Clinical Nutrition](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fejcn.2013.232/MediaObjects/41430_2014_Article_BFejcn2013232_Fig1_HTML.jpg)
Vitamin B12: one carbon metabolism, fetal growth and programming for chronic disease | European Journal of Clinical Nutrition
![Vitamin B12, Cobalamin, Chemical Structure Stock Vector - Illustration of adenosylcobalamin, medicine: 170244203 Vitamin B12, Cobalamin, Chemical Structure Stock Vector - Illustration of adenosylcobalamin, medicine: 170244203](https://thumbs.dreamstime.com/z/vitamin-b-cobalamin-chemical-structure-involved-metabolism-every-cell-human-body-dna-synthesis-functioning-nervous-170244203.jpg)
Vitamin B12, Cobalamin, Chemical Structure Stock Vector - Illustration of adenosylcobalamin, medicine: 170244203
![Amazon.com: Codeage Life Telomere Supplements - 5 MTHF Folate Vitamin B9, Vitamin B12 Methylcobalamin, Vitamin D3, L-Theanine - Ashwagandha, Astragalus - DNA, Methylation Cycle - Non- GMO - 90 Capsules : Health & Household Amazon.com: Codeage Life Telomere Supplements - 5 MTHF Folate Vitamin B9, Vitamin B12 Methylcobalamin, Vitamin D3, L-Theanine - Ashwagandha, Astragalus - DNA, Methylation Cycle - Non- GMO - 90 Capsules : Health & Household](https://m.media-amazon.com/images/I/51sfZkCe7+L._AC_UF1000,1000_QL80_.jpg)