{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T11:49:02Z","timestamp":1790250542640,"version":"4.1.0"},"reference-count":43,"publisher":"Oxford University Press (OUP)","issue":"2","license":[{"start":{"date-parts":[[2002,2,1]],"date-time":"2002-02-01T00:00:00Z","timestamp":1012521600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2002,2,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Previous studies have shown that undernutrition induces an impairment of the respiratory muscle function in patients with chronic lung disease. To explain this, we hypothesized that undernutrition could decrease oxidative metabolism in the diaphragm. We therefore examined the effect of prolonged undernutrition on diaphragm mitochondrial oxygen uptake with pyruvate and palmitate as substrates in adult rats. Ten rats served as controls (CTL). Ten nutritionally deprived rats (ND) received 40% of their estimated daily nutrition. Five weeks of undernutrition induced a 33% decrease in state 3 respiration with pyruvate plus malate as substrate (993 \u00b1 171 versus 1488 \u00b1 167 nmol atomic O\/mg\/min, P &amp;lt; 0.01) and a 39% decrease with palmitate plus malate (516 \u00b1 89 versus 850 \u00b1 165 nmol atomic O\/mg\/min, P &amp;lt; 0.05). With succinate plus rotenone, there was no significant difference in the respiratory rate between groups. In the ND group, we found a significant decrease in citrate synthase activity (P &amp;lt; 0.01), and also in reduced nicotinamine adenine dinucleotide (NADH) dehydrogenase activity (P &amp;lt; 0.05), which cannot alone induce such a state 3 respiratory decrease. This showed that undernutrition in rat diaphragm does not induce an alteration in protein complexes I, II, III, and IV, or the F complex containing the mitochondrial ATPase of the electron transport chain. In conclusion, the main result of this study was that prolonged undernutrition induced a decrease in mitochondrial respiration secondary to a significant reduction in NADH generation by the Krebs cycle, which may affect respiratory muscle function with implications for patient care.<\/jats:p>","DOI":"10.1165\/ajrcmb.26.2.4581","type":"journal-article","created":{"date-parts":[[2013,4,3]],"date-time":"2013-04-03T21:09:08Z","timestamp":1365023348000},"page":"239-245","source":"Crossref","is-referenced-by-count":17,"title":["Effect of Prolonged Undernutrition on Rat Diaphragm Mitochondrial Respiration"],"prefix":"10.1093","volume":"26","author":[{"given":"Stefan","family":"Matecki","sequence":"first","affiliation":[{"name":"Laboratoire de Physiologie des Interactions, Service Central de Physiologie Clinique, H\u00f4pital Arnaud de Villeneuve, Montpellier, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Guillaume","family":"Py","sequence":"additional","affiliation":[{"name":"Laboratoire de Physiologie des Interactions, Service Central de Physiologie Clinique, H\u00f4pital Arnaud de Villeneuve, Montpellier, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Karen","family":"Lambert","sequence":"additional","affiliation":[{"name":"Laboratoire de Physiologie des Interactions, Service Central de Physiologie Clinique, H\u00f4pital Arnaud de Villeneuve, Montpellier, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christelle","family":"Peyreigne","sequence":"additional","affiliation":[{"name":"Laboratoire de Physiologie des Interactions, Service Central de Physiologie Clinique, H\u00f4pital Arnaud de Villeneuve, Montpellier, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jacques","family":"Mercier","sequence":"additional","affiliation":[{"name":"Laboratoire de Physiologie des Interactions, Service Central de Physiologie Clinique, H\u00f4pital Arnaud de Villeneuve, Montpellier, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christian","family":"Prefaut","sequence":"additional","affiliation":[{"name":"Laboratoire de Physiologie des Interactions, Service Central de Physiologie Clinique, H\u00f4pital Arnaud de Villeneuve, Montpellier, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michele","family":"Ramonatxo","sequence":"additional","affiliation":[{"name":"Laboratoire de Physiologie des Interactions, Service Central de Physiologie Clinique, H\u00f4pital Arnaud de Villeneuve, Montpellier, France"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2002,2,1]]},"reference":[{"key":"2026030623571785200_B1","doi-asserted-by":"crossref","first-page":"558","DOI":"10.1378\/chest.86.4.558","article-title":"The prevalence and determinants of nutritional changes in chronic obstructive pulmonary disease.","volume":"86","author":"Braun","year":"1984","journal-title":"Chest"},{"key":"2026030623571785200_B2","first-page":"376","article-title":"The nutritional status of patients with chronic obstructive pulmonary disease.","volume":"124","author":"Hunter","year":"1981","journal-title":"Am. 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