Cytokine and chemokine signatures associated with hepatitis B surface antigen loss in hepatitis B patients

Sachiyo Yoshio, Yohei Mano, Hiroyoshi Doi, Hirotaka Shoji, Tomonari Shimagaki, Yuzuru Sakamoto, Hironari Kawai, Michitaka Matsuda, Taizo Mori, Yosuke Osawa, Masaaki Korenaga, Masaya Sugiyama, Masashi Mizokami, Eiji Mita, Keiko Katayama, Junko Tanaka, Tatsuya Kanto

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Abstract

BACKGROUND: The clearance of hepatitis B surface antigen (HBsAg) loss, defined as functional cure, is a clinical target in patients with chronic hepatitis B (CH). To understand the immune responses underlying functional cure, we evaluated cytokine and chemokine expression profiles from patients with resolving and nonresolving acute hepatitis B (AH). METHODS: We cross-sectionally evaluated 41 chemokines and cytokines at the peak of hepatitis in the sera from 41 self-limited AH patients who achieved HBsAg seroconversion, 8 AH patients who failed to clear HBsAg within 1 year after the diagnosis, 8 CH patients with hepatic flare, and 14 healthy volunteers. We longitudinally examined 41 chemokines and cytokines in the sera from 4 self-limited AH patients, 3 chimpanzees inoculated with hepatitis B virus (HBV), and 2 CH patients treated with nucleotide analogs and PEG-IFN-α, one resulting in functional cure. RESULTS: In AH patients and HBV-inoculated chimpanzees with HBsAg loss, CXCL9, CXCL10, CXCL11, CXCL13, and IL-21 were elevated at hepatitis with subsequent decline of HBsAg. Interestingly, IL-21 elevation was observed only in resolving AH patients but not in nonresolvers. CXCL13 and IL-21 elevation was not observed in CH patients who failed to attain HBsAg loss, even at hepatic flare. A concomitant increase of CXCL13 and IL-21 was significant in CH patients who attained HBsAg seroconversion with a sequential therapy. CONCLUSION: Elevation of serum CXCL9, CXCL10, CXCL11, CXCL13, and IL-21 might be a hallmark of functional cure of AH or CH patients.

Original languageEnglish
JournalJCI Insight
Volume3
Issue number20
DOIs
Publication statusPublished - Oct 18 2018

All Science Journal Classification (ASJC) codes

  • Medicine(all)

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    Yoshio, S., Mano, Y., Doi, H., Shoji, H., Shimagaki, T., Sakamoto, Y., Kawai, H., Matsuda, M., Mori, T., Osawa, Y., Korenaga, M., Sugiyama, M., Mizokami, M., Mita, E., Katayama, K., Tanaka, J., & Kanto, T. (2018). Cytokine and chemokine signatures associated with hepatitis B surface antigen loss in hepatitis B patients. JCI Insight, 3(20). https://doi.org/10.1172/jci.insight.122268