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PubMedDate not supplied

[Changes in the ultrastructure of the stomach mucous membrane parietal cells caused by inhibitors of hydrochloric acid secretion].

The study of the action of phamotidine and omeprazol on the stomach parietal cells in patients with duodenal ulcer has shown that phamotidin results in changes of secretory membrane of the parietal cells increasing its secretory potential while omeprazol reduces energetic metabolism of the lining cell by the impact on its mitochondrial apparatus. Both in children and adults with duodenal ulcer more developed mitochondrial cell activity was found after omeprazol treatment.

Adolescent↗
PubMed2006

[The part of the hormone-cyclase system in achieving the therapeutic effect of hydrochloric acid secretion inhibitors at the duodenal ulcer].

There was a study of changes in blood hormone levels (gastrin, insulin, cortisol) and cyclic nucleotides (cAMPh, cGMPh) in the treatment of 120 patients with duodenal ulcer with anti-secretion drugs of different mechanisms of action. Changes in hormone and cyclic nucleotide levels were discovered both directly after the administration of anti-secretion drugs and after a course of treatment with them. The data obtained increase the knowledge about the mechanisms of anti-secretion drugs action and their influence on the stomach secretion function at the duodenal ulcer.

Adult↗
PubMed1977

Evaluation of cimetidine (tagamet). An antagonist of hydrochloric acid secretion.

Cimetidine, a potent H2-receptor antagonist, has been introduced for the treatment of various conditions associated with acid peptic digestion in the gastrointestinal tract. Preliminary results are encouraging. Adverse reactions do not appear to be substantial; however, the effect of long-term use has yet to be ascertained.

Drug Evaluation↗
PubMedDate not supplied

Improved preparation technique of cervical carcinoma for flow cytometric DNA analysis with tissue disintegration in hydrochloric acid.

An one-step procedure using a nuclear isolation medium containing propidium iodide has been found to be a suitable preparation technique for flow cytometric DNA analysis in breast cancer samples. In the case of cervical squamous carcinoma, a pretreatment with HCl seems to be a methodological improvement. One advantage with the HCl modification is that some "false" near-diploid cell populations are abolished. These "false" G0/G1 peaks may represent diploid nuclei with a different stainability for propidium iodide compared to normal diploid nuclei. The HCl treatment has, furthermore, the advantage of increasing the elution of nuclei (mean factor of 4.0), especially non-diploid nuclei from higher differentiated squamous carcinomas.

Cell Nucleus↗
PubMedDate not supplied

Beta adrenergic regulation of the hydrochloric acid secretion.

Propranolol induces basal achlorhydria in 30.7% of the patients, decreases significantly the HCl secretion in 42.3%, does not change it in 25% and increases it in 1.9%. After histamine stimulation (Kay test) propranolol decreases HCl in 57% and increases it in 43% of the cases. Propranolol induces a significant decrease of carbon anhydrase in the gastric mucosa. Serum gastrin is not significantly decreased after propranolol treatment. Isoprenaline increases the HCl secretion in all the patients investigated. Propranolol suppresses the effect of isoprenaline in 28.6% of the cases, decreases it in 33%, does not change it in 19% and increases it in 19%. The action of isoprenaline is not influenced by atropine, so the mechanism of action of the beta agonist is non-cholinergic. The gastric juice volume is not changed significantly by the blockage or stimulation of beta receptors. The beta adrenergic nervous system stimulates HCl secretion.

Adult↗