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1.
J Laparoendosc Adv Surg Tech A ; 33(1): 74-80, 2023 Jan.
Article in English | MEDLINE | ID: mdl-35723625

ABSTRACT

Background: Endoscopic submucosal dissection (ESD) for early gastric cancer (EGC) has advantages over traditional radical gastrectomy. We investigated whether enhanced recovery after surgery (ERAS) protocols are appropriate in the ESD perioperative period. Materials and Methods: We screened 129 consecutive patients, and 12 were excluded. All study patients underwent ESD for EGC. Of the 117 included patients, 57 received traditional perioperative care between January 2017 and December 2018, and 60 patients received perioperative care according to ERAS protocols between January 2019 and September 2020. The primary study endpoint was ESD-related complications. Secondary endpoints included the following postoperative parameters: anal exhaust time, incidence of nausea or vomiting, length of hospitalization, fever rate, abdominal pain on the visual analog scale (VAS), and reported perioperative satisfaction. Results: Complications were comparable between the 2 groups. In the ERAS group, no patients experienced delayed bleeding or perforation. One traditional group patient bled, and one perforated. Postoperative anal exhaust time, nausea or vomiting incidence, hospitalization, fever rate, and VAS pain scores were significantly lower, and perioperative satisfaction rate was significantly higher in the ERAS group. Conclusions: ERAS protocols are both feasible and safe for patients undergoing ESD. ERAS protocols enhance the advantages of ESD for EGC without increasing complications.


Subject(s)
Endoscopic Mucosal Resection , Enhanced Recovery After Surgery , Stomach Neoplasms , Humans , Retrospective Studies , Endoscopic Mucosal Resection/methods , Stomach Neoplasms/surgery , Feasibility Studies , Gastric Mucosa/surgery , Treatment Outcome
2.
J Gastroenterol Hepatol ; 36(11): 3113-3126, 2021 Nov.
Article in English | MEDLINE | ID: mdl-34159625

ABSTRACT

BACKGROUND AND AIM: Metabolic reprogramming is characterized by dysregulated levels of metabolites and metabolic enzymes. Integrated metabolomic and transcriptomic data analysis can help to elucidate changes in the levels of metabolites and metabolic enzymes, screen the core metabolic pathways, and develop novel therapeutic strategies for cancer. METHODS: Here, the metabolome of gastric cancer tissues was determined using liquid chromatography-mass spectrometry. The transcriptome data from The Cancer Genome Atlas dataset were integrated with the liquid chromatography-mass spectrometry data to identify the common dysregulated gastric cancer-specific metabolic pathways. Additionally, the protein expression and clinical significance of key metabolic enzymes were examined using a gastric cancer tissue array. RESULTS: Metabolomic analysis of 16 gastric cancer tissues revealed that among the 15 dysregulated metabolomic pathways, the aminoacyl-tRNA biosynthesis pathway in the gastric tissues was markedly upregulated relative to that in the adjacent noncancerous tissues, which was consistent with the results of transcriptome analysis. Bioinformatic analysis revealed that among the key regulators in the aminoacyl-tRNA biosynthesis pathway, the expression levels of threonyl-tRNA synthetase (TARS) and phenylalanyl-tRNA synthetase (FARSB) were correlated with tumor grade and poor survival, respectively. Additionally, gastric tissue array data analysis indicated that TARS and FARSB were upregulated in gastric cancer tissues and were correlated with poor prognosis and tumor metastasis. CONCLUSIONS: This study demonstrated that the aminoacyl-tRNA biosynthesis pathway is upregulated in gastric cancer and both TARS and FARSB play key roles in the progression of gastric cancer. Additionally, a novel therapeutic strategy for gastric cancer was proposed that involves targeting the aminoacyl-tRNA biosynthesis pathway.


Subject(s)
Phenylalanine-tRNA Ligase , Stomach Neoplasms , Threonine-tRNA Ligase , Amino Acyl-tRNA Synthetases/biosynthesis , Amino Acyl-tRNA Synthetases/genetics , Humans , Metabolome , Phenylalanine-tRNA Ligase/biosynthesis , Phenylalanine-tRNA Ligase/genetics , RNA, Transfer/genetics , Stomach Neoplasms/genetics , Stomach Neoplasms/metabolism , Threonine-tRNA Ligase/biosynthesis , Threonine-tRNA Ligase/genetics , Transcriptome , Up-Regulation
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