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Animals were infected with T. World journal of gastroenterology: Previous reports indicate that more than 4 days of REM sleep deprivation induce a generalized physiological breakdown The micrography analysis of the infected groups Fig. As a regulatory interface, the duodenal barrier is susceptible to modulatory changes caused by hormones, neurotransmitters, and altered states of immune activation.

Arrows indicate the increase or decrease guiq cell types located bcs intestinal villi or in intestinal glands. Particularry studies suggest that REM sleep guiq involves changes in the modulation of the immune system and may increase guis production of pro-inflammatory cytokines and cells 1516which participate in the innate immune response.

The animals were organized into six groups of 7 animals each; the experimental conditions were as follows:. The school serves more than 18, students at its Porto Alegre and Canoas campuses in southern Brazil.

Archives of histology and cytology 531—21 The square is a magnification of mast cells in lamina propria. Clinical gastroenterology and hepatology: Footnotes The authors declare no competing financial interests.

Glandular goblet cells in the duodenum. Periglandular Eosinophils The morphology of the intestinal glands showed the same type of epithelium as the villi, although with a less abundant periglandular lamina propria continuous giua the villus Fig.


In the no-infected groups, it was observed that the SD condition presented significant changes in the number of eosinophils and of mast cells. UniRitter offers undergraduate and graduate programs in: Psychosomatic medicine 65— Open in a separate window.

Abstract Sleep is considered to be an important predictor of the immunity, since the absence of sleep can affect the development of the immune response, and consequently increase the susceptibility to contract an infection.

Received Nov 7; Accepted Feb In a previous study by our group, we evaluated whether sleep deprivation causes the dysregulation of immune variables during an immune response against the helminth parasite T.

Centro Universitário Ritter dos Reis (UniRitter)

Also, helped in the writting of the manuscript. Sleep 1242—46 International Journal of Clinical and Experimental Medicine 9— A Representative photomicrographs of globet cells in villi in the first portion of duodenum for the different treatments of sleep sufficient SSstress, and sleep deprivation SD in no-infected upper pannel and infected lower pannel groups.

The study of sleep deprivation needs the simulation of the actual physiological conditions, such as an antigenic challenge, without excluding the interaction of other systems responding to the same stimuli.

SS solid barsstress shaded barsand SD open bars in no-infected and infected groups. Advances in immunology 78— Periglandular mast cells in the duodenum. UniRitter was recognized by the Ministry of Education as among the top three university centers in the state of Rio Grande do Sul, and as No.

Journal of immunology research, doi: Advances in anatomic pathology 18—, doi: Sleep deprivation induced by the modified multiple platform technique: Results Cell type analysis in the duodenal mucosa.

Intestinal barrier in inflammatory bowel disease.


Immune-mediated alteration in gut physiology guiq its role in host defence in nematode infection. Infection procedure The infection procedure was performed as previously described Sleep deprivation in the rat: The top row of photomicrographs shows the no-infected animal groups in the conditions ua, from left to right, SS, stress, and SD; whereas the botton row represents the same conditions in the infected animals Fig.


Why sleep is important for health: National Center for Biotechnology InformationU. Epithelial antimicrobial defence of the skin and intestine.

A Representative photomicrographs of villi in the first portion of duodenum for the condition of sleep sufficient SSstress, and sleep deprivation SD in no-infected upper pannel and infected groups lower pannel. The sleep deprivation affect mast cells mainly, and the stress response is more heterogeneous.

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A Representative photomicrographs of periglandular eosinophils in the lamina propria in the first portion of duodenum for the treatments, sleep sufficient SSstress, and sleep deprivation SDin no-infected upper pannel and infected lower pannelgroups, The square is a magnification of periglandular eosinophils arrow. Since sleep deprivation is a form of stress per se, in that study we compared stress alone consisting in movement restriction and single housing with sleep deprivation in both control and infected rats.

This observation becomes interesting since these two cell types are closely related and induce a reciprocal recruiting. The infection effect of T.

Internal medicine 55—, doi: Sleep deprivation induces changes in immunity in Trichinella spiralis-infected rats. Enteroendocrine cells could be identified inside the glands, cytoplasm facing towards the exterior, with a color and texture similar to the villi Fig.

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