One crisis, diverse impacts - Tissue-specificity of folate deficiency-induced circulation defects in zebrafish larvae

Hung Chi Tu, Gang Hui Lee, Tsun Hsien Hsiao, Tseng Ting Kao, Tzu Ya Wang, Jen Ning Tsai, Tzu Fun Fu

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Folate (vitamin B9) is an essential nutrient required for cell survival, proliferation, differentiation and therefore embryogenesis. Folate deficiency has been associated with many diseases, including congenital heart diseases and megaloblastic anemia, yet the mechanisms underlying these remains elusive. Here, we examine the impact of folate deficiency on the development of the circulation system using a zebrafish transgenic line which displays inducible folate deficiency. Impaired hematopoiesis includes decreased hemoglobin levels, decreased erythrocyte number, increased erythrocyte size and aberrant c-myb expression pattern were observed in folate deficient embryos. Cardiac defects, including smaller chamber size, aberrant cardiac function and cmlc2 expression pattern, were also apparent in folate deficient embryos. Characterization of intracellular folate content in folate deficiency revealed a differential fluctuation among the different folate derivatives that carry a single carbon group at different oxidation levels. Rescue attempts by folic acid and nucleotides resulted in differential responses among affected tissues, suggesting that different pathomechanisms are involved in folate deficiency-induced anomalies in a tissue-specific manner. The results of the current study provide an explanation for the inconsistent outcome observed clinically in patients suffering from folate deficiency and/or receiving folate supplementation. This study also supports the use of this model for further research on the defective cardiogenesis and hematopoiesis caused by folate deficiency.

Original languageEnglish
Article numbere0188585
JournalPloS one
Volume12
Issue number11
DOIs
Publication statusPublished - 2017 Nov

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Organ Specificity
Zebrafish
Danio rerio
Folic Acid
folic acid
Larva
Tissue
Defects
larvae
hematopoiesis
Hematopoiesis
tissues
embryo (animal)
Embryonic Structures
Megaloblastic Anemia
Erythrocyte Count
Cell proliferation
heart diseases
erythrocyte count
cardiac output

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

Cite this

Tu, Hung Chi ; Lee, Gang Hui ; Hsiao, Tsun Hsien ; Kao, Tseng Ting ; Wang, Tzu Ya ; Tsai, Jen Ning ; Fu, Tzu Fun. / One crisis, diverse impacts - Tissue-specificity of folate deficiency-induced circulation defects in zebrafish larvae. In: PloS one. 2017 ; Vol. 12, No. 11.
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One crisis, diverse impacts - Tissue-specificity of folate deficiency-induced circulation defects in zebrafish larvae. / Tu, Hung Chi; Lee, Gang Hui; Hsiao, Tsun Hsien; Kao, Tseng Ting; Wang, Tzu Ya; Tsai, Jen Ning; Fu, Tzu Fun.

In: PloS one, Vol. 12, No. 11, e0188585, 11.2017.

Research output: Contribution to journalArticle

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