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Hypothalamic inhibition of neurones in the nucleus tractus solitarius of the cat is GABA mediated.

1. In pentobarbitone‐anaesthetized cats extracellular activity of neurones in the vicinity of the nucleus tractus solitarius receiving inputs from the carotid sinus nerve (SN) and/or vagus nerve (VN)…
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Chronic intermittent hypoxia increases blood pressure and expression of FosB/DeltaFosB in central autonomic regions.

TLDR
It is indicated that CIH induces an increase in FosB/ΔFosB in autonomic nuclei and suggest that AP-1 transcriptional regulation may contribute to stable adaptive changes that support chronically elevated SNA.
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Chronic Sustained Hypoxia Enhances Both Evoked EPSCs and Norepinephrine Inhibition of Glutamatergic Afferent Inputs in the Nucleus of the Solitary Tract

TLDR
It is demonstrated that CSH increases evoked excitatory inputs to NTS neurons receiving arterial chemoreceptor inputs, and also enhances NE inhibition of glutamate release from inputs to these neurons via presynaptic α2-adrenoreceptors.
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Synaptic mechanisms regulating cardiovascular afferent inputs to solitary tract nucleus.

TLDR
The evidence suggests that the neural substrates exist for a modulation of baroreflex gain at an early stage in the reflex pathway.
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Excitatory amino acid receptors within NTS mediate arterial chemoreceptor reflexes in rats.

TLDR
It is concluded that EAA receptors within NTS play an important role in the mediation of arterial chemoreceptor reflexes.
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Sex Differences in Blood Pressure Response to Intermittent Hypoxia in Rats

TLDR
Female rats were protected against this tachycardia independent of the ovarian hormones, indicating that females are protected from the hypertensive and tachycardsia effects of intermittent hypoxia.
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Baroreceptor inputs to the nucleus tractus solitarius in the cat: modulation by the hypothalamus.

TLDR
The results explain, at the intracellular level, the mechanism for the central suppression of the baroreceptor reflex that forms an integral part of the defence response in the cat.
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Arterial chemoreceptor input to nucleus tractus solitarius.

  • S. Mifflin
  • Biology
    The American journal of physiology
  • 1 August 1992
TLDR
The observation that NTS neurons do not integrate chemoreceptor afferent inputs in a homogeneous manner suggests that the multiplicity of NTS unit responses might be related to the specific reflex function of an individual cell.
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Short-term potentiation of carotid sinus nerve inputs to neurons in the nucleus of the solitary tract.

  • S. Mifflin
  • Biology
    Respiration physiology
  • 1 November 1997
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Transient voltage-dependent potassium currents are reduced in NTS neurons isolated from renal wrap hypertensive rats.

Whole cell patch-clamp measurements were made in neurons enzymatically dispersed from the nucleus of the solitary tract (NTS) to determine if alterations occur in voltage-dependent potassium channels…
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