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Article

Comparison of the Status of Interstitial Cells of Cajal in the Smooth Muscle of the Antrum and Pylorus in Diabetic Male and Female Patients with Severe Gastroparesis

1
Department of Gastroenterology, Center for Neurogastroenterology and GI Motility, Texas Tech University Health Sciences Center, El Paso, TX 79905, USA
2
Department of General Surgery, Texas Tech University Health Sciences Center, El Paso, TX 79905, USA
3
Department of Pathology, Texas Tech University Health Sciences Center, El Paso, TX 79905, USA
*
Author to whom correspondence should be addressed.
These authors contribute equally to this work.
Gastrointest. Disord. 2020, 2(3), 236-245; https://0-doi-org.brum.beds.ac.uk/10.3390/gidisord2030023
Received: 24 June 2020 / Revised: 2 August 2020 / Accepted: 4 August 2020 / Published: 11 August 2020
(This article belongs to the Special Issue Gastroparesis)
Females dominate in the area of gastroparesis (GP), making up to 70–80% of these patients. One attractive hypothesis is that females have less smooth muscle reserve and thus less resilience to recover from an insult. Our aim was to investigate if there are gender differences in the number of interstitial cells of Cajal (ICC) in the antral and pyloric smooth muscle of diabetic (DM) patients with severe gastroparesis refractory to standard medical management. Full thickness antral and pyloric biopsies were obtained during surgery to implant a gastric electrical stimulation system and perform a pyloroplasty. Thirty-eight DM patients (66% females, n = 25; mean age 44) who failed medical therapies provided antral biopsies. Pyloric tissue samples were also collected from 29 of these patients (65% females, n = 19). Tissues were stained with H&E and c-Kit for the presence of ICC. ICC depletion was defined as less than 10 cells/HPF. In the antrum, 40% of females had significant ICC depletion, similar to 38% in males. In the pylorus, 68% of females had depletion of ICC, compared to 80% depletion in males. When combining both antral and pyloric smooth muscle regions, ICC depletion was similar in males (40%) when compared to females (38%). In diabetic patients with severe GP, females and males showed similar degrees of reduction in antral ICC, while more males had depletion of pyloric smooth muscle ICC compared to their female counterparts. Future larger studies should focus on whether differences in other smooth muscle biomarkers can be identified between males and females. View Full-Text
Keywords: gastroparesis; interstitial cells of Cajal; female; gender; sex differences; estrogen; progesterone; nitric oxide synthase; nitrergic system; nitrergic dysfunction; serotonin gastroparesis; interstitial cells of Cajal; female; gender; sex differences; estrogen; progesterone; nitric oxide synthase; nitrergic system; nitrergic dysfunction; serotonin
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MDPI and ACS Style

Gonzalez, Z.; Sarosiek, I.; Bashashati, M.; Davis, B.; Padilla, O.; McCallum, R. Comparison of the Status of Interstitial Cells of Cajal in the Smooth Muscle of the Antrum and Pylorus in Diabetic Male and Female Patients with Severe Gastroparesis. Gastrointest. Disord. 2020, 2, 236-245. https://0-doi-org.brum.beds.ac.uk/10.3390/gidisord2030023

AMA Style

Gonzalez Z, Sarosiek I, Bashashati M, Davis B, Padilla O, McCallum R. Comparison of the Status of Interstitial Cells of Cajal in the Smooth Muscle of the Antrum and Pylorus in Diabetic Male and Female Patients with Severe Gastroparesis. Gastrointestinal Disorders. 2020; 2(3):236-245. https://0-doi-org.brum.beds.ac.uk/10.3390/gidisord2030023

Chicago/Turabian Style

Gonzalez, Zorisadday, Irene Sarosiek, Mohammad Bashashati, Brian Davis, Osvaldo Padilla, and Richard McCallum. 2020. "Comparison of the Status of Interstitial Cells of Cajal in the Smooth Muscle of the Antrum and Pylorus in Diabetic Male and Female Patients with Severe Gastroparesis" Gastrointestinal Disorders 2, no. 3: 236-245. https://0-doi-org.brum.beds.ac.uk/10.3390/gidisord2030023

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