Background and Objective: Helicobacter pylori is a human-stomach-dwelling organism that causes many gastric illnesses, including gastritis, ulcer, and gastric cancer. The purpose of the study was to perform differential proteomic analysis on H. pylori isolates from gastritis, ulcer, and gastric cancer patients. Materials and Methods: H. pylori was isolated from antrum and fundus biopsies obtained from patients who visited the Department of Gastroenterology. Using nano-LC-QTOF MS/MS analysis, differentially regulated proteins were identified through proteome profiling of pooled samples of H. pylori isolated from gastritis, ulcer, and gastric cancer patients. Antigenic scores and cellular localization of proteins were determined using additional prediction tools. Results: A total of 14 significantly regulated proteins were identified in H. pylori isolated from patients with either gastritis, ulcer, or gastric cancer. Comparative analysis of groups revealed that in the case of cancer vs. gastritis, six proteins were overexpressed, out of which two proteins, including hydrogenase maturation factor (hypA) and nucleoside diphosphate kinase (ndk) involved in bacterial colonization, were only upregulated in isolates from cancer patients. Similarly, in cancer vs. ulcer, a total of nine proteins were expressed. Sec-independent protein translocase protein (tatB), involved in protein translocation, and pseudaminic acid synthase I (pseI), involved in the synthesis of functional flagella, were upregulated in cancer, while hypA and ndk were downregulated. In ulcer vs. gastritis, eight proteins were expressed. In this group, tatB was overexpressed. A reduction in thioredoxin peroxidase (bacterioferritin co-migratory protein (bcp)) was observed in ulcer vs. gastritis and cancer vs. ulcer. Conclusion: Our study suggested three discrete protein signatures, hypA, tatB, and bcp, with differential expression in gastritis, ulcer, and cancer. Protein expression profiles of H. pylori isolated from patients with these gastric diseases will help to understand the virulence and pathogenesis of H. pylori.

CHIEF ORGANIZER AND FOCAL PERSON MESSAGE Dear Participants, It is with immense pleasure and excitement that I extend my warmest welcome to you for the upcoming 1st International Conference on Recent Trends in Improving Resistance Against Diseases Using Molecular Genetics and OMICS Tools. As the Chief Organizer and Focal Person, it is truly an honor to host this groundbreaking event at Abdul Wali Khan University Mardan in the picturesque city of Mardan, Khyber Pakhtunkhwa, Pakistan. Our conference aims to bring together a diverse and accomplished group of researchers, scholars, and practitioners who share a common passion for advancing the frontiers of science, particularly in the crucial areas of One Health, Combatting Diseases, Antimicrobial Resistance, Livestock Improvement, and OMICS: The Future. Over the course of two enriching days, we anticipate dynamic discussions and thought-provoking presentations that will not only deepen our understanding of the challenges we face but also inspire innovative solutions. Abdul Wali Khan University Mardan, nestled in the heart of Khyber Pakhtunkhwa, provides a fitting backdrop for this collaborative exchange of ideas. The themes of the conference are not just topics of conversation; they represent the core issues that demand our attention and collective effort. One Health emphasizes the interconnectedness of various facets of health, underscoring the need for collaborative, interdisciplinary approaches. Combatting Diseases and addressing Antimicrobial Resistance are critical in safeguarding public health globally, and discussions on Livestock Improvement are integral to the sustainability of agricultural systems. OMICS: The Future heralds a new era of scientific exploration and discovery, powered by advanced technologies. I extend my heartfelt gratitude to the organizing committee, esteemed keynote speakers, and all contributors who have worked tirelessly to make this conference a reality. Your commitment to advancing knowledge and promoting collaboration is truly commendable. As the Chief Organizer and Focal Person, I encourage you to actively engage in the sessions, network with fellow participants, and seize the opportunity to shape the future of scientific research in these vital areas. The abstracts presented at the conference will not only be published in the abstract book but will also contribute significantly to the global scientific discourse. Once again, welcome to the 1st International Conference on Recent Trends in Improving Resistance Against Diseases. Let us make these two days a memorable and transformative experience for us all. Best Regards, Dr. Tahir Usman Chief Organizer and Focal Person