{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T19:33:46Z","timestamp":1790278426002,"version":"4.1.0"},"reference-count":19,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2006,7,31]],"date-time":"2006-07-31T00:00:00Z","timestamp":1154304000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Muscle and Nerve"],"published-print":{"date-parts":[[2006,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>We report two patients in whom phosphoglycerate mutase (PGAM) deficiency was associated with the triad of exercise\u2010induced cramps, recurrent myoglobinuria, and tubular aggregates in the muscle biopsy. Serum creatine kinase (CK) levels were elevated between attacks of myoglobinuria. Forearm ischemic exercise tests produced subnormal increases of venous lactate. Muscle biopsies showed subsarcolemmal tubular aggregates in type 2 fibers. Muscle PGAM activities were markedly decreased (3% of the normal mean) and molecular genetic studies showed that both patients were homozygous for a described missense mutation (W78X). A review of 15 cases with tubular aggregates in the muscle biopsies from our laboratory and 15 cases with PGAM deficiency described in the literature showed that this clinicopathological triad is highly suggestive of PGAM deficiency. Muscle Nerve, 2006<\/jats:p>","DOI":"10.1002\/mus.20622","type":"journal-article","created":{"date-parts":[[2006,8,1]],"date-time":"2006-08-01T23:42:02Z","timestamp":1154475722000},"page":"572-576","source":"Crossref","is-referenced-by-count":33,"title":["Exercise\u2010induced cramp, myoglobinuria, and tubular aggregates in phosphoglycerate mutase deficiency"],"prefix":"10.1002","volume":"34","author":[{"given":"Shin J.","family":"Oh","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kyung\u2010Seok","family":"Park","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"suffix":"Jr.","given":"Hewitt F.","family":"Ryan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Moris J.","family":"Danon","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jiesheng","family":"Lu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ali B.","family":"Naini","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Salvatore","family":"DiMauro","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2006,7,31]]},"reference":[{"key":"e_1_2_6_2_2","doi-asserted-by":"publisher","DOI":"10.1212\/WNL.33.8.1049"},{"key":"e_1_2_6_3_2","doi-asserted-by":"publisher","DOI":"10.1002\/mus.880120403"},{"key":"e_1_2_6_4_2","doi-asserted-by":"publisher","DOI":"10.1007\/BF00691255"},{"key":"e_1_2_6_5_2","first-page":"1535","volume-title":"Myology","author":"DiMauro S","year":"2004"},{"key":"e_1_2_6_6_2","doi-asserted-by":"publisher","DOI":"10.1126\/science.6262916"},{"key":"e_1_2_6_7_2","doi-asserted-by":"publisher","DOI":"10.1212\/WNL.32.6.584"},{"key":"e_1_2_6_8_2","first-page":"29","volume-title":"Muscle biopsy. 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