Nina Khosravani

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Otic ganglionectomy in rats was found to have affected the parotid gland more profoundly than section of the auriculotemporal nerve as assessed by reduction in gland weight (by 33 versus 20%) and total acetylcholine synthesizing capacity (by 88 versus 76%) 1 week postoperatively and, when assessed on the day of surgery under adrenoceptor blockade, by reflex(More)
The origin/pathways of peptidergic nerves contributing to the parotid gland contents of vasoactive intestinal peptide (VIP), substance P and calcitonin gene-related peptide (CGRP) were investigated by performing surgery on one side of the rat. Comparisons (based on total amount of peptide) were made between the gland on the operated side and the(More)
Nerves exert long-term influences on the salivary glands as e.g. revealed by increases in sensitivity to secretagogues following nerve degeneration. The objective was to study the effect of unilateral facial nerve section on the sensitivity of the parotid secretory cells 2-3 weeks postoperatively, i.e. at a time when the sensitisation is thought to be fully(More)
Adult rat submandibular glands have a rich autonomic innervation, with parasympathetic and sympathetic nerves working in synergy rather than antagonistically. Ligation of the secretory duct rapidly causes atrophy and the loss of most acini, which are the main target cell for parasympathetic nerves. Following deligation, there is a recovery of gland(More)
Application of physostigmine to the oromucosal surface with the aim of stimulating underlying mucin-producing glands while reducing cholinergic systemic effects might be a strategy for treating dry mouth. Subjects suffering from dry mouth and with hyposalivation participated in a crossover, double-blind, randomized study. A gel containing physostigmine(More)
Dry mouth produces a deterioration in oral health and impairs quality of life. There is a need for a novel approach to the pharmacological treatment of dry mouth. With a view to enhancing the cholinergic drive on minor salivary glands, whilst at the same time minimising adverse systemic effects, the cholinesterase inhibitor physostigmine was therefore(More)
Studies on salivary secretion are usually focused on parotid and submandibular glands. However, the film of mucin, that protects the oral structures and is responsible for the feeling of oral comfort, is produced by the submucosal glands. The submucosal zygomatic and molar glands are particularly large in carnivores such as the ferret. Comparisons between(More)
Two peptides (MW 1211.7 and 928.5 Da) were detected by RP-HPLC-ESI-MS analysis of parotid saliva secreted upon continuous parasympathetic stimulation. The peptide with the higher mass (PSPFr-A) corresponded to the N-terminal dodecapeptide (Fragment 1-12) of rat parotid secretory protein (PSP), while the peptide with the lower mass (PSPFr-B) corresponded to(More)
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