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Folate deficiency, also known as vitamin B 9 deficiency, is a low level of folate and derivatives in the body. [1] This may result in megaloblastic anemia in which red blood cells become abnormally large, and folate deficiency anemia is the term given for this medical condition. [3] Signs of folate deficiency are often subtle. [4]
Both adults and children need folate to make normal red and white blood cells and prevent anemia, which causes fatigue, weakness, and inability to concentrate. [ 115 ] [ 116 ] Increased homocysteine levels suggest tissue folate deficiency, but homocysteine is also affected by vitamin B 12 and vitamin B 6 , renal function, and genetics.
Thus all of the DNA synthetic effects of B 12 deficiency, including the megaloblastic anemia of pernicious anemia, resolve if sufficient dietary folate is present. Thus the best-known "function" of B 12 (that which is involved with DNA synthesis, cell division, and anemia) is a facultative function that is mediated by B 12 -conservation of an ...
Nutritional anemia can be caused by a lack of iron, protein, vitamin B12, and other vitamins and minerals that are needed for the formation of hemoglobin. However, Iron deficiency anemia is the most common nutritional disorder. [7] Signs of anemia include cyanosis, jaundice, and easy bruising. [7]
Folate acts as a co-enzyme in the form of tetrahydrofolate (THF), which is involved in the transfer of single-carbon units in the metabolism of nucleic acids and amino acids. THF is involved in purine and pyrimidine nucleotide synthesis, so is needed for normal cell division, especially during pregnancy and infancy, which are times of rapid growth.
In fact, a severe deficiency in folate can result in a condition called folate-deficiency anemia, which has symptoms like hair thinning and pigmentation changes in the hair.
Megaloblastic anemia is a type of macrocytic anemia. An anemia is a red blood cell defect that can lead to an undersupply of oxygen. [1] Megaloblastic anemia results from inhibition of DNA synthesis during red blood cell production. [2] When DNA synthesis is impaired, the cell cycle cannot progress from the G2 growth stage to the mitosis (M ...
Macrocytic anemias have several causes but with the implementation of folic acid fortification in North America, folate deficiency has become a rare cause of megaloblastic macrocytic anemia in that part of the world. [1] In this region, Vitamin B 12 deficiency is a far more common cause of megaloblastic macrocytic anemia. [1]
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