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The renin-aldosterone system is an endocrine system which guides the renal absorption of water and electrolytes, thus managing blood pressure and osmoregulation. Activation of the system begins in the kidneys with a small cluster of cells adjacent to the afferent and efferent blood vessels of the renal corpuscle. As the nephrons are filtering blood, juxtaglomerular cells monitor blood pressure. If they detect a decrease in pressure, they release the hormone renin into the bloodstream.
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Diabetes mellitus is a chronic metabolic disorder characterized by hyperglycemia. The four categories of diabetes are type 1 diabetes, type 2 diabetes, other specific types of diabetes, and gestational diabetes.
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Author Spotlight: Modeling an Aspect of Preeclampsia in Female Mice Using Hypoxic Human Placenta-Derived Small Extracellular Vesicles
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Placental and Renal Pathways Underlying Pre-Eclampsia.

Paraskevi Eva Andronikidi1, Eirini Orovou2, Eleftheria Mavrigiannaki3

  • 1Department of Nephrology, Aretaieion University Hospital, School of Medicine, National and Kapodistrian University of Athens, 11528 Athens, Greece.

International Journal of Molecular Sciences
|March 13, 2024
PubMed
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Pre-eclampsia, a pregnancy complication, is worsened by chronic kidney disease. Understanding the kidney

Keywords:
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Area of Science:

  • Obstetrics and Gynecology
  • Nephrology
  • Pathophysiology

Background:

  • Pre-eclampsia is a serious pregnancy complication involving hypertension and potential multiorgan dysfunction.
  • Chronic kidney disease (CKD) is a known risk factor for pre-eclampsia, altering angiogenic homeostasis and maternal circulation.
  • The interplay between CKD and pre-eclampsia presents a significant clinical challenge, with underlying mechanisms requiring further elucidation.

Purpose of the Study:

  • To summarize the primary molecular mechanisms contributing to pre-eclampsia.
  • To specifically highlight the role of the kidneys in pre-eclampsia development.
  • To review hormonal pathways influencing renal function in normal and pre-eclamptic pregnancies.

Main Methods:

  • Literature review of existing research on pre-eclampsia and chronic kidney disease.
  • Analysis of molecular and hormonal pathways involved in renal function during pregnancy.
  • Synthesis of current understanding of pathophysiologic mechanisms.

Main Results:

  • Altered angiogenic homeostasis and pre-existing maternal hypertension in CKD contribute to pre-eclampsia onset.
  • Specific molecular pathways and hormonal dysregulation in renal function are implicated.
  • The kidneys play a critical role in the pathophysiology of pre-eclampsia, especially when CKD is present.

Conclusions:

  • A comprehensive understanding of the pathophysiology linking CKD and pre-eclampsia is crucial.
  • This knowledge is fundamental for developing effective prevention, treatment, and counseling strategies.
  • Further research into these mechanisms will improve maternal and fetal outcomes.