Neuroendocrinol Lett
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Neuroendocrinol Lett · Sep 2018
Hypophysitis and other autoimmune complications related to immune checkpoints inhibitors´ treatment: Spectrum of imaging appearances.
Immune checkpoints inhibitors (ICI) represent a new therapy option for the treatment of several advanced tumors. However, this therapy has been linked to a spectrum of ICI related autoimmune (AI) adverse events. Some may be life threatening and their diagnosis is tricky. The aim of our study was to describe various imaging appearances of ICI related secondary hypophysitis and other coincidental AI diseases. ⋯ Secondary hypophysitis is probably more common ICI related adverse event than reported in the literature. Its MRI appearance is variable. Most of our cases were in coincidence with other AI ICI related events that affected their clinical manifestations.
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Neuroendocrinol Lett · Dec 2016
Dopamine receptors modulate T lymphocytes via inhibition of cAMP-CREB signaling pathway.
We have previously reported that dopamine D2-like receptors including D2, D3 and D4 receptors are more important in mediating modulation of T cells than dopamine D1-like receptors (D1 and D5 receptors). Here we aimed to clarify the role of D2-like receptors in regulation of differentiation and function of T lymphocyte subsets, including helper T (Th)1, Th2, Th17 and regulatory T (Treg) cells. ⋯ D2-like receptors, principally dopamine D3 and D4 receptors, promote differentiation and function of T lymphocytes towards anti-inflammatory T cell subsets by a negative link to cAMP-CREB pathway.
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Neuroendocrinol Lett · Jul 2016
Evaluation of the analgesic effect of morphine on models of acute nociceptive pain in rats with a central noradrenergic system lesion.
Stimulation of some noradrenergic system receptors demonstrates a synergistic anti-nociceptive effect with the opioid system at the level of peripheral tissues, spinal cord, and supraspinal structures. Furthermore, opioids stimulate the noradrenergic descending pathways originating from the substantia nigra by presynaptic inhibition of the GABA neuron ends. It is thus important to determine whether a disruption to the adrenergic transmission obtained via DPS-4 administration to neonatal rats impacts the perception of noxious stimuli mediated by 5-HT3-serotonin receptors at the level of spinal cords or higher tiers of the central nervous system. ⋯ The disruption to the central noradrenergic system in an early stage of development resulted in a reduction of the analgesic effect of morphine in the models of acute pain in which the mechanisms of supraspinal perception are involved.
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Pregnancy is usually associated with significant regression in genito-genital intercourse frequency, sexual desire and satisfaction. The aim of the study was to determine women's sexual habits during the third trimester of gestation and to compare their sexual activity before the current pregnancy and during previous pregnancies in case of multiparas. ⋯ Sexual activity decreases during gestation, however, it often result from an increased fear for the child and lack of possibilities to confront and broaden the knowledge on this subject. The role of medical staff in consulting sexual activity problems is insufficient.
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Neuroendocrinol Lett · Jan 2015
Randomized Controlled TrialNeuroprotective impact of a vitamin trace element composition - a randomized, double blind, placebo controlled clinical trial with healthy volunteers.
Neurotoxic metabolites and oxidative and nitrosative stress reactions play a crucial role in the pathways leading to neuronal cell death and neurodegeneration. The bioavailability of the many antioxidant ingredients a vitamin and trace element composition was investigated, to reveal the neuroprotective (preventive) potential of the composition. ⋯ The observed metabolic changes and alteration of the oxidative status after 3 and six month of regular intake underlines the compositions' potential to ameliorate neurodegenerative processes. We conclude that the subsitution of vitamins and trace-elements with natural source in a proper manner may be effective for neuroprotection in healthy population.