4.7 Article

Prenatal caffeine exposure induced renal developmental toxicity and transgenerational effect in rat offspring

期刊

FOOD AND CHEMICAL TOXICOLOGY
卷 165, 期 -, 页码 -

出版社

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.fct.2022.113082

关键词

Prenatal caffeine exposure; Glomerulosclerosis; Renal AT2R; Glucocorticoid-insulin-like growth factor 1 axis; Intrauterine programming; Intergenerational transmission

资金

  1. National Natural Science Foundation of China [81872943]
  2. National Key Research and Development Program of China [2020YFA0803900]
  3. Fundamental Research Funds for the Central Universities [2042020kf0220]

向作者/读者索取更多资源

Epidemiological studies have shown that prenatal caffeine exposure (PCE) can cause fetal kidney dysplasia and adult glomerulosclerosis in female offspring. The low expression of AT2R and GC-IGF1 programming alteration were observed in the kidney of F1 offspring from PCE group. Furthermore, the renal defect and GC-IGF1 programming alteration were inherited by F2 female offspring, but the low expression of AT2R did not extend to the F2 generation. This study provides experimental evidence for the intergenerational inheritance of kidney developmental toxicity caused by PCE.
Epidemiological studies revealed that prenatal caffeine exposure (PCE) is associated with adverse gestational outcomes and susceptibility to chronic diseases in offspring, yet the effects of PCE on glomerulosclerosis susceptibility in adult female offspring and its intergenerational transmission remain to be further investigated. Here, we found that PCE caused fetal kidney dysplasia and glomerulosclerosis of the female offspring. Besides, the kidney of F1 offspring in PCE group exhibited the low expressional programming of AT2R and GC-IGF1 programming alteration. Intergenerational genetic studies revealed that the renal defect and GC-IGF1 programming alteration was inherited to F2 adult female offspring derived from the female germ line, but Low expression of AT2R did not extend to the F2 female offspring. Taken together, PCE caused renal dysplasia and adult glomerulosclerosis in the F1 female offspring, which might be mediated by renal AT2R low expressional programming and GC-IGF1 axis alteration. Furthermore, PCE induced transgenerational toxicity on kidney, and GC-IGF1 programming alteration might be the potential molecular mechanism. This study provided experimental evidence for the mechanism study of the intergenerational inheritance of kidney developmental toxicity caused by PCE.

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