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      The Glycome and Glycomedicine

      2024-01-22 10:32:36WeiWangBaofengYang
      Engineering 2023年7期

      Wei Wang, Baofeng Yang

      a The First Affiliated Hospital of Shantou University Medical College, Shantou 515041, China

      b School of Public Health, Shandong First Medical University & Shandong Academy of Medical Sciences, Tai’an 271016, China

      c Beijing Municipal Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing 100069, China

      d Centre for Precision Health, Edith Cowan University, Perth, WA 6027, Australia

      e Department of Pharmacology & State–Province Key Laboratories of Biomedicine-Pharmaceutics of China & Key Laboratory of Cardiovascular Medicine Research, Ministry of Education of the People’s Republic of China, College of Pharmacy, Harbin Medical University, Harbin 150081, China

      f Research Unit of Noninfectious Chronic Diseases in Frigid Zones, Chinese Academy of Medical Sciences, Harbin 150081, China

      g Northern Translational Medicine Research and Cooperation Center, Heilongjiang Academy of Medical Sciences, Harbin Medical University, Harbin 150081, China

      ‘‘Life requires more than nucleic acids and proteins; sweet sugar molecules could be another life code beyond the central dogma of molecular biology.”

      Among the four equally important major building blocks of life—that is,nucleic acids(DNA and RNA),proteins,lipids,and carbohydrates(glycans)—the first two,DNA and RNA,follow the wellestablished principle of the‘‘central dogma”of transcription(DNA to RNA)and translation(RNA to protein).However,the latter two,glycans and lipids, are missing from biology’s central dogma.In fact, there may be an undiscovered law regarding communication between DNA, RNA, glycans, and lipids, and their roles in immunomodulation.Thus, it becomes necessary to ask: Does a paracentral dogma exist? Can glycans be the third life code—after the first and second life codes of nuclei acids and amino acids—for the materiality of the cell?

      To address these questions, this special issue focuses on the roles of glycomics, genetics, epigenetics, and beyond in the areas of immunity, immune disorders, infectious disease, nocommunicable chronic diseases, cancers, glycan analyzing methods, and glycomedicine.We are privileged to present two Views&Comments articles,one Review article,and 11 Original Research articles covering a range of subtopics:

      ? Glycomedicine: the current state of the art

      ? Extending the ‘‘paracentral dogma” of biology with the metabolome: implications for understanding genomic–glycomic–metabolic–epigenomic synchronization

      ? Twelve years of genome-wide association studies of human protein N-glycosylation

      ? Profound diversity of the N-glycome from microdissected regions of colorectal cancer, stroma, and normal colon mucosa

      ? High-throughput profiling of serological immunoglobulin G N-glycome as a noninvasive biomarker of gastrointestinal cancers

      ? Diferences in immunoglobulin G glycosylation between influenza and COVID-19 patients

      ? Novel insight into the etiology of Haff disease by mapping the N-glycome with orthogonal mass spectrometry

      ? Bidirectional causality between immunoglobulin G N-glycosylation and metabolic traits: a Mendelian randomization study

      ? Serum IgG glycan hallmarks of systemic lupus erythematosus

      ? IgG N-glycosylation cardiovascular age tracks cardiovascular risk beyond calendar age

      ? Periodic changes in the N-glycosylation of immunoglobulin G during the menstrual cycle

      ? Human prostate-specific antigen carries N-glycans with ketodeoxynononic acid

      ? Removable dyes—the missing link for in-depth N-glycan analysis via multi-method approaches

      ? Serum N-glycan markers for diagnosing significant liver fibrosis and cirrhosis in chronic hepatitis B patients with normal alanine aminotransferase levels

      These articles discuss recent progress at the frontier of glycoscience, including:

      ? Glycomedicine and health

      ? Bioglycoengineering:glycan analysis and glycan dye labeling

      ? Congenital disorders of glycosylation

      ? Immunomodulation:the roles of methylation,glycosylation,phosphorylation, histone modification, ubiquitination, lipidomics, and RNA modification

      ? How the glycome affects immunity, immune disorders, cancers, and susceptibility to infectious diseases

      This special issue also provides expert recommendations on basic glycomics research and its application in glycomedicine,which may guide researchers as we enter the new era of glycomedicine: a new discipline that employs glycomics approaches with the aim of better targeting disease diagnostics, as well as for drug discovery, prescription choice, and dosing based on individual glycomics profiles to enable preventive,predictive,and precision medicine.

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