ATP4A inhib 
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  • ||||||||||  Review, Journal:  Update in Molecular Aspects and Diagnosis of Autoimmune Gastritis. (Pubmed Central) -  Jul 28, 2023   
    The current focus lies on individuals demonstrating atypical presentations of the disease, including those diagnosed in childhood, those yielding negative results for autoantibodies, and those lacking the typical endoscopic characteristics of mucosal atrophy. Here, we discuss the recent developments in this field, focusing on genetic predisposition, epigenetic modifications, lymphocytes, cytokines, oxidative stress, infectious agents, proteins, microRNAs, autoantibodies, serum pepsinogen, gastrin, esophagogastroduodenoscopy and microscopic findings, and the risk of gastric neoplasm.
  • ||||||||||  Journal:  The gastric proton pump in gobiid and mudskipper fishes. Evidence of stomach loss? (Pubmed Central) -  Oct 6, 2022   
    Moreover, it was possible to deduce the complete open reading frame and the key functional amino acid residues are present. The conserved expression of the gastric proton pump provides clear evidence of the potential for gastric acid secretion indicating that acid digestion is retained in these gobiid fishes and not lost.
  • ||||||||||  Gastric Transcriptional Alterations in Response to Helicobacter Pylori Infection (Exhibit and Poster Hall) -  Jun 4, 2022 - Abstract #ASMMicrobe2022ASM_Microbe_2528;    
    The reduced transcript levels of these markers were correlated with a significant loss of chief and parietal cells detected by histologic analysis. Collectively, these results suggest that H. pylori causes a wide range of alterations in the gastric transcriptome, including changes in multiple gastric cell lineages, and provide a new approach for identifying biomarkers of gastric atrophy and premalignant changes.
  • ||||||||||  omeprazole / Generic mfg.
    PPI ADMINISTRATION INDUCED COLONIC TIGHT JUNCTION BARRIER DYSFUNCTION IS ASSOCIATED WITH INCREASE IN PH, MLCK AND ENETROCOCCUS FECALIS. (24 - San Diego Convention Center) -  Apr 25, 2022 - Abstract #DDW2022DDW_2554;    
    Methods : 8 to 12-week-old male C57BL/6 mice were divided into two groups (controls and PPI treatment, Omeprazole, 20mg/kg B.W. for 30 days)...Both PPI administration in WT mice and Atp4a deletion induced an increase in colonic luminal pH. Conclusion : Our Results suggest that the gastric H+K+ATPase inhibition by PPI or genetic KO increases mouse colonic TJ barrier permeability, associated with altered pH, MLCK activation and overgrowth of a pathobiont EF.
  • ||||||||||  Journal:  Bioinformatic analysis of potential hub genes in gastric adenocarcinoma. (Pubmed Central) -  Apr 2, 2022   
    The Kaplan-Meier online plotter tool showed associations of all hub genes except for CA9 with prognosis in gastric adenocarcinoma patients; CXCL8 and ALDH1A1 were positively correlated with survival, and the other genes were negatively correlated with survival. These 10 hub genes may be involved in important processes in gastric adenocarcinoma development, providing new directions for research to clarify the role of these genes and offer insight for improved treatment.
  • ||||||||||  Journal:  Panax notoginseng attenuates hypoxia-induced glycolysis in colonic mucosal epithelial cells in DSS-induced colitis. (Pubmed Central) -  Mar 15, 2022   
    PN also increased the expression of ATP4a, cytochrome P450 family 21 subfamily a member 2, and hydroxy-delta-5-steroid dehydrogenase, 3 beta and steroid delta-isomerase 2 proteins in the mitochondria, and decreased the content of mtROS in cmECs. PN alleviated the pH in the colonic lumen and hypoxia-induced glycolysis in cmECs by reducing the hypoxia-induced glycolysis caused by the downregulation of ATP4a protein, thereby promoting the repair of colonic mucosal injuries in colitis.
  • ||||||||||  Preclinical, Journal:  Crosstalk between Acidosis and Iron Metabolism: Data from In Vivo Studies. (Pubmed Central) -  Feb 26, 2022   
    For clinical importance, we speculate that metabolic acidosis may contribute in part to the pathologic elevation of serum hepcidin levels seen in patients with chronic kidney disease. The regulation of ATP4 by iron metabolism may also be of interest for patients with hemochromatosis.
  • ||||||||||  Preclinical, Journal:  Vitamin D Is Necessary for Murine Gastric Epithelial Homeostasis. (Pubmed Central) -  Aug 28, 2021   
    VDD gastric tissues also showed a high proliferation rate compared with SDL and SDD using an anti-BrdU antibody. This study indicates the requirement for normal vitamin D levels for proper parietal cell functions.
  • ||||||||||  omeprazole / Generic mfg.
    Journal:  Extra-gastric expression of the proton pump H/K -ATPase in the gills and kidney of the teleost Oreochromis niloticus. (Pubmed Central) -  Jun 22, 2021   
    RT-PCT was used to confirm the expression of both subunits in gill and kidney. Taken together these results indicate for the first time K (Rb) uptake in O. niloticus and that the HKA can be implicated by the ex vivo uptake inhibition by omeprazole and SCH28080, verifying a role for HKA in K absorption in the gill's ionocytes and collecting tubule/duct segments of the kidney.
  • ||||||||||  amoxicillin / Generic mfg.
    Journal:  Maternal antibiotic treatment affects offspring gastric sensing for umami taste and ghrelin regulation in the pig. (Pubmed Central) -  Mar 19, 2021   
    This study systematically explored the key genes and pathways involved in PGC and AGC, providing insights into therapeutic individualized management. Data show that sensing for umami taste and ghrelin regulation can be affected by maternal environment, but the development of acid secretion, orexigenic signaling and taste perception in the stomach are mostly developmentally controlled.
  • ||||||||||  sirolimus / Generic mfg.
    Preclinical, Journal:  Dynamic characterization of intestinal metaplasia in the gastric corpus mucosa of Atp4a-deficient mice. (Pubmed Central) -  Mar 16, 2021   
    For further information, phosphoinositide 3-kinase (PI3K), phosphorylated-protein kinase B (p-AKT), mechanistic target of rapamycin (mTOR), hypoxia-inducible factor 1α (HIF-1α), lactate dehydrogenase A (LDHA) and sirtuin 6 (SIRT6) were detected by Western blotting...The H+, K+-ATPase α subunit is required for acid-secretory activity of parietal cells in vivo, the normal development and cellular homeostasis of the gastric mucosa, and attainment of the normal structure of the secretory membranes. Chronic achlorhydria and hypergastrinemia in aged Atp4a-/- mice produced progressive hyperplasia and mucolytic and intestinal metaplasia and activated the Warburg effect via PI3K/AKT/mTOR signaling.
  • ||||||||||  Biomarker, Journal:  Identification and Analysis of Key Genes Driving Gastric Cancer Through Bioinformatics. (Pubmed Central) -  Jan 29, 2021   
    Chronic achlorhydria and hypergastrinemia in aged Atp4a-/- mice produced progressive hyperplasia and mucolytic and intestinal metaplasia and activated the Warburg effect via PI3K/AKT/mTOR signaling. BGN expression levels appear to be an independent prognostic factor for predicting the survival times of GC patients.
  • ||||||||||  Clinical, Journal:  H+/K+ATPase Expression in the Larynx of Laryngopharyngeal Reflux and Laryngeal Cancer Patients. (Pubmed Central) -  Jan 23, 2021   
    Gastric proton pump subunits are expressed in the larynx of LPR and LSCC patients. Mitochondrial damage and changes in gene expression observed in cells expressing the full proton pump, absent in those expressing a single subunit, suggest that acid secretion by functional proton pumps expressed in upper airway mucosa may elicit local cell and molecular changes associated with inflammation and cancer.
  • ||||||||||  Revolixys (anivamersen/pegnivacogin) / AbbVie
    Review, Journal:  Proton Pump Inhibitor Use, Hypergastrinemia, and Gastric Carcinoids-What Is the Relationship? (Pubmed Central) -  Oct 10, 2020   
    Overall, the risk of developing a g-NET appears greatest in patients who are more than 10 years on drug and on higher doses: those affected by chronic H. pylori gastritis and/or consequent gastric atrophy may also be at increased risk. While the overall risk of g-NETs induced by PPI therapy is undoubtedly low, it is real: this necessitates caution in using PPI therapy for long periods of time, particularly when initiated in young subjects.
  • ||||||||||  Preclinical, Journal:  Weipiling ameliorates gastric precancerous lesions in Atp4a mice. (Pubmed Central) -  Jan 29, 2020   
    Rg3 is an effective supplement for GPL treatment and can be harnessed to inhibit proliferation and induce apoptosis of GPL cells. Conclusively, WPL could ameliorate GPLs in Atp4a mice by inhibiting the expression of transporters and suppressing the aberrant activation of mTOR/HIF-1α.
  • ||||||||||  Omeprazole RBX (omeprazole) / Generic mfg.
    IN HUMAN ESOPHAGEAL SMOOTH MUSCLE CELLS, IL-4 STIMULATES EOTAXIN-3 SECRETION THAT IS BLOCKED ONLY MINIMALLY BY A PPI OR A P-CAB. () -  Jan 28, 2020 - Abstract #DDW2020DDW_2978;    
    Unlike esophageal epithelial cells, however, Th2 cytokine-stimulated eotaxin-3 secretion by ESM cells is decreased only minimally, albeit significantly, by omeprazole or SCH-28080. These findings suggest that PPIs and P-CABs might have limited effect on eosinophils infiltrating the esophageal muscularis propria in EoE patients, which could explain why their esophageal motility abnormalities persist despite PPI treatment that eliminates mucosal eosinophilia.