{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,9,13]],"date-time":"2023-09-13T20:15:58Z","timestamp":1694636158784},"reference-count":37,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[1977,3]]},"abstract":"<jats:p content-type=\"fine-print\">\u2713 A technique of organ culture based on a three-dimensional porous matrix was employed for chemotherapeutic trials on human malignant astrocytomas. This method allows neoplasms to retain the morphological identity and the histological characteristics they possess <jats:italic>in vivo<\/jats:italic>. Success in culture was greatest with high-grade astrocytomas, the majority of which showed definite infiltration of the matrix. Lowgrade tumors, if viable, did not display active penetration. Drug trials on eight malignant astrocytomas included BCNU, methyl CCNU, VP 16\u2013213, and Solu-Medrol. Cyanide and luciferase were used as experimental metabolic toxins. Evidence of cytotoxicity was assessed qualitatively by histological changes on microscopic preparations of treated and control cultures. Microfluorometric determinations of reduced nicotinamide adenine dinucleotide (NADH) were applied to these trials in an effort to detect a quantitative biochemical index of drug effects. A variable rise in mean NADH levels above controls was recorded from the majority of treated cultures although correlation with microscopic changes was inconsistent. Because of its potential merits, organ culture may be a valuable tool for further work on pharmacological management of malignant gliomas.<\/jats:p>","DOI":"10.3171\/jns.1977.46.3.0320","type":"journal-article","created":{"date-parts":[[2009,5,7]],"date-time":"2009-05-07T15:20:46Z","timestamp":1241709646000},"page":"320-327","source":"Crossref","is-referenced-by-count":11,"title":["Chemotherapeutic trials on human malignant astrocytomas in organ culture"],"prefix":"10.3171","volume":"46","author":[{"given":"Ruben J.","family":"Saez","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R. 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