{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,3]],"date-time":"2026-06-03T06:00:56Z","timestamp":1780466456933,"version":"3.54.1"},"reference-count":38,"publisher":"MDPI AG","issue":"11","license":[{"start":{"date-parts":[[2020,11,21]],"date-time":"2020-11-21T00:00:00Z","timestamp":1605916800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001700","name":"Ministry of Education, Culture, Sports, Science and Technology","doi-asserted-by":"publisher","award":["19K06537"],"award-info":[{"award-number":["19K06537"]}],"id":[{"id":"10.13039\/501100001700","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004330","name":"Smoking Research Foundation","doi-asserted-by":"publisher","award":["2017G036"],"award-info":[{"award-number":["2017G036"]}],"id":[{"id":"10.13039\/501100004330","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Antioxidants"],"abstract":"<jats:p>Hydrogen sulfide (H2S) is endogenously produced by enzymes and via reactive persulfide\/polysulfide degradation; it participates in a variety of biological processes under physiological and pathological conditions. H2S levels in biological fluids, such as plasma and serum, are correlated with the severity of various diseases. Therefore, development of a simple and selective H2S measurement method would be advantageous. This study aimed to generate antibodies specifically recognizing H2S derivatives and develop a colorimetric immunoassay for measuring H2S in biological samples. We used N-ethylmaleimide (NEM) as an H2S detection agent that forms a stable bis-S-adduct (NEM-S-NEM). We also prepared bis-S-heteroadduct with 3-maleimidopropionic acid, which, in conjugation with bovine serum albumin, was to immunize Japanese white rabbits and Wistar rats to enable generation of polyclonal and monoclonal antibodies, respectively. The generated antibodies were evaluated by competitive enzyme-linked immunosorbent assay. We could obtain two stable hybridoma cell lines producing monoclonal antibodies specific for NEM-S-NEM. By immunoassay with the monoclonal antibody, the H2S level in mouse plasma was determined as 0.2 \u03bcM, which was identical to the level detected by mass spectrometry. Taken together, these monoclonal antibodies can be a useful tool for a simple and highly selective immunoassay to detect H2S in biological samples.<\/jats:p>","DOI":"10.3390\/antiox9111160","type":"journal-article","created":{"date-parts":[[2020,11,23]],"date-time":"2020-11-23T01:28:48Z","timestamp":1606094928000},"page":"1160","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Generation of Rat Monoclonal Antibody to Detect Hydrogen Sulfide and Polysulfides in Biological Samples"],"prefix":"10.3390","volume":"9","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3094-8543","authenticated-orcid":false,"given":"Shingo","family":"Kasamatsu","sequence":"first","affiliation":[{"name":"Department of Biological Science, Graduate School of Science, Osaka Prefecture University, Osaka 599-8531, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuki","family":"Kakihana","sequence":"additional","affiliation":[{"name":"Department of Biological Science, Graduate School of Science, Osaka Prefecture University, Osaka 599-8531, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Taisei","family":"Koga","sequence":"additional","affiliation":[{"name":"Department of Biological Science, Graduate School of Science, Osaka Prefecture University, Osaka 599-8531, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hisashi","family":"Yoshioka","sequence":"additional","affiliation":[{"name":"Department of Biological Science, Graduate School of Science, Osaka Prefecture University, Osaka 599-8531, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8971-5138","authenticated-orcid":false,"given":"Hideshi","family":"Ihara","sequence":"additional","affiliation":[{"name":"Department of Biological Science, Graduate School of Science, Osaka Prefecture University, Osaka 599-8531, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2020,11,21]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"169","DOI":"10.1146\/annurev-pharmtox-010510-100505","article-title":"Hydrogen sulfide and cell signaling","volume":"51","author":"Li","year":"2011","journal-title":"Annu. 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