2021
DOI: 10.1038/s41598-021-83647-6
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A retrospective study assessing the acceleration effect of type I Helicobacter pylori infection on the progress of atrophic gastritis

Abstract: Based on the antibody typing classification, Helicobacter pylori infection can be divided into type I H. pylori infection and type II H. pylori infection. To observe the effects of different H. pylori infection types on the distribution of histopathological characteristics and the levels of three items of serum gastric function (PG I, PG II, G-17). 1175 cases from October 2018 to February 2020 were collected with ratio 1:2. All patients were performed with 14C-Urea breath test (14C-UBT), H. pylori antibody typ… Show more

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Cited by 16 publications
(11 citation statements)
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“…Gastric atrophy associated with chronic H . pylori ‐infection may also be a factor in some cases 19–21 . Both type 1 and type 2 gNEN typically arise as multiple gastric polyps (See Case Study 1 and Figure 1) or subepithelial lesions (SEL), type 2 being quite rare while type 1 is by far the most frequent gNEN 16–18 …”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…Gastric atrophy associated with chronic H . pylori ‐infection may also be a factor in some cases 19–21 . Both type 1 and type 2 gNEN typically arise as multiple gastric polyps (See Case Study 1 and Figure 1) or subepithelial lesions (SEL), type 2 being quite rare while type 1 is by far the most frequent gNEN 16–18 …”
Section: Methodsmentioning
confidence: 99%
“…[16][17][18] Gastric atrophy associated with chronic H. pylori-infection may also be a factor in some cases. [19][20][21] Both type 1 and type 2 gNEN typically arise as multiple gastric polyps (See Case Study 1 and Figure 1) or Tumor is also known in the literature as small cell carcinoma of the oesophagus.…”
Section: Gastric Neuroendocrine Neoplasiamentioning
confidence: 99%
“…Both genes are expressed in type I, and neither is expressed in type II. [50] Tannaes et al [25] cultured H pylori in a neutral (pH = 7.4) medium, and added hydrochloric acid in the experimental group to adjust the pH to pH = 5, and it was found that different pH could affect the invasion ability of H pylori . The bacteria in neutral media exhibit an inability to release VacA and urease and to adhere to or invade epithelial cells, called L-type, while the addition of hydrochloric acid converts almost all L-type H pylori into invasive bacteria, called S-type.…”
Section: Biological Functionmentioning
confidence: 99%
“…In 1994, the international agency for research on cancer (IARC) classified H. pylori as a type І carcinogen and also declared that there was a strong relation between gastric cancer and this potentially deadly pathogen ( Li et al, 2019 ). Over the years, H. pylori has been discovered to cause a variety of gastric diseases such as peptic ulcer, gastric ulcer and gastric cancer ( Figure 1 ) ( Hunt, 1996 ; Umamaheshwari and Jain, 2003 ; Hussein et al, 2008 ; Garza-González et al, 2014 ; Liu et al, 2021 ).…”
Section: Introductionmentioning
confidence: 99%