ArticlePflugers Archiv : European journal of physiology2023
Afferent neurons of the kidney with impaired firing pattern in inflammation - role of sodium currents?
Article in Pflugers Archiv : European journal of physiology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 2 citations in OpenAlex.
- Effects of intrarenal afferent stimulation by bradykinin on renal sympathetic nerve activity: tonic inhibition contributing to renal function.Pflugers Archiv : European journal of physiology · 2025Article
- Gaussian white noise stimulation as an alternative method to excite sensory neurons.Frontiers in pharmacology · 2025Article
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10 authors at 2 institutions in 1 country.
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Abstract
Peripheral neurons with renal afferents exhibit a predominantly tonic firing pattern of higher frequency that is reduced to low frequencies (phasic firing pattern) in renal inflammation. We wanted to test the hypothesis that the reduction in firing activity during inflammation is due to high-activity tonic neurons switching from higher to low frequencies depending on altered sodium currents. We identified and cultivated afferent sensory neurons with renal projections from the dorsal root ganglia (Th11-L2). Cultivated neurons were incubated with the chemokine CXCL1 (1,5 nmol/ml) for 12 h. We characterized neurons as "tonic," i.e., sustained action potential (AP) firing, or "phasic," i.e., < 5 APs upon stimulation in the current clamp. Their membrane currents were investigated in a voltage clamp. Data analyzed: renal vs. non-renal and tonic vs. phasic neurons. Renal afferent neurons exposed to CXCL1 showed a decrease in tonic firing pattern (CXCL1: 35,6% vs. control: 57%, P < 0.05). Na
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