{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,3]],"date-time":"2026-05-03T06:23:40Z","timestamp":1777789420658,"version":"3.51.4"},"reference-count":25,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[1987,5,1]],"date-time":"1987-05-01T00:00:00Z","timestamp":546825600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Int J Biol Markers"],"published-print":{"date-parts":[[1987,5]]},"abstract":"<jats:p>The expression of ras oncogene product p21 in human malignant pleurisy and primary lung cancer was studied immunocyto-histochemically with monoclonal antibodies (MoAbs) rp-28 and rp-35 against ras p21. In pleural effusion cells, cancer cells revealed more intensively positive reaction with MoAb rp-35 than with MoAb rp-28, especially in the plasma membrane, and no positive reaction was obtained in any kind of inflammation cells with the exception of faintly positive reaction in the cytoplasm of macrophages.<\/jats:p>\n                  <jats:p>In primary lung cancers, well or moderately differentiated adenocarcinoma tissues showed higher reactivity with MoAb rp-28 than those of poorly differentiated adenocarcinoma or any other histological subtype of lung cancer. With MoAb rp-35, intensively positive reaction was obtained in most of cases with all different histological subtypes of lung cancer. The staining in cancer cells was usually localized intensively to the plasma membrane and weakly to the cytoplasm with both MoAbs. Normal bronchial epithelial and glandular tissues showed only cytoplasmic staining. These two MoAbs, especially MoAb rp-35, may be useful in clinicopathological applications for the diagnosis of malignant pleurisy and primary lung cancer.<\/jats:p>","DOI":"10.1177\/172460088700200204","type":"journal-article","created":{"date-parts":[[2018,10,16]],"date-time":"2018-10-16T04:43:36Z","timestamp":1539665016000},"page":"75-82","source":"Crossref","is-referenced-by-count":5,"title":["Immunohistochemical Analysis of Human Lung Cancers with Anti-\n                    <i>ras<\/i>\n                    p21 Monoclonal Antibodies"],"prefix":"10.1177","volume":"2","author":[{"given":"Hirotoshi","family":"Dosaka","sequence":"first","affiliation":[{"name":"1st Dept. of Medicine"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Masao","family":"Harada","sequence":"additional","affiliation":[{"name":"1st Dept. of Medicine"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Noboru","family":"Kuzumaki","sequence":"additional","affiliation":[{"name":"Lab. of Molecular Genetics, Cancer Inst."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hitoshi","family":"Kobayashi","sequence":"additional","affiliation":[{"name":"Dept. of Dermatology, Hokkaido University School of Medicine, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hiroshi","family":"Isobe","sequence":"additional","affiliation":[{"name":"1st Dept. of Medicine"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hiroshi","family":"Miyamoto","sequence":"additional","affiliation":[{"name":"1st Dept. of Medicine"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yoshikazu","family":"Kawakami","sequence":"additional","affiliation":[{"name":"1st Dept. of 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