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Related Concept Videos

Transcytosis of IgG01:15

Transcytosis of IgG

Transcytosis is the process in which molecules are internalized by endocytosis, transported across the cell, and released through exocytosis from the opposite end of the cell. Molecules such as insulin, immunoglobulins, and certain nutrients are transferred through the recycling endosomes by recycling and transcytosis.
IgG molecules from a mother undergo transcytosis starting around 13 weeks of gestation. The amount of IgG transferred and entering the fetal blood circulation increases with...

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Corticosteroids in IgA nephropathy: a randomised controlled trial.

C Pozzi1, P G Bolasco, G B Fogazzi

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Steroid therapy for IgA nephropathy significantly protected against kidney function decline over 5 years. This treatment showed no major side effects, suggesting its potential as a viable therapy for this progressive condition.

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Area of Science:

  • Nephrology
  • Immunology
  • Clinical Trials

Background:

  • Immunoglobulin A (IgA) nephropathy is a progressive kidney disease with limited therapeutic options.
  • Current treatments for IgA nephropathy lack established efficacy, necessitating research into new interventions.

Purpose of the Study:

  • To evaluate the efficacy and safety of a 6-month course of steroid treatment in patients with IgA nephropathy.
  • To determine if steroid therapy can prevent the deterioration of renal function in IgA nephropathy.

Main Methods:

  • A randomized trial involving 86 patients with biopsy-proven IgA nephropathy and mild-to-moderate renal impairment.
  • Patients received either supportive care alone or a 6-month steroid regimen including intravenous methylprednisolone and oral prednisone.
  • Renal function deterioration, defined by a 50% or 100% increase in plasma creatinine, was the primary endpoint.

Main Results:

  • Steroid treatment significantly reduced the risk of renal function deterioration compared to supportive care alone (p<0.048).
  • Factors associated with improved renal survival included steroid therapy, female sex, and less vascular sclerosis.
  • All patients receiving steroids completed the 6-month course without significant adverse events.

Conclusions:

  • A 6-month course of steroid therapy is effective in protecting renal function in IgA nephropathy patients.
  • Increased urinary protein excretion may indicate the need for retreatment with steroids.
  • Steroid therapy represents a promising treatment option for IgA nephropathy with a favorable safety profile.