Interleukin 1α increases serum leptin concentrations in humans

John E. Janik, Brendan D. Curti, Robert Considine, Helen C. Rager, Geraldine C. Powers, W. Gregory Alvord, John W. Smith, Barry L. Gause, William C. Kopp

Research output: Contribution to journalArticle

203 Citations (Scopus)

Abstract

Leptin, the protein product of the ob gene, regulates appetite and body weight in animals. Endotexin and cytokines, induced by endotoxin, interleukin (IL) 1 and tumor necrosis factor, increase expression of leptin in mice and hamsters. We measured serum leptin concentrations in patients with cancer before and after administration of recombinant human IL-1α. Fourteen patients received IL-1α at one of three dose levels (0.03, 0.1, or 0.3 μg/kg · day) for 5 days. Serum leptin concentrations increased in all but two patients within 24 h after the first dose. The increase in leptin was correlated directly with IL-1α dose (P = 0.0030). Despite continued administration of IL-1α, serum leptin concentrations returned to pretreatment levels by day 5 of therapy. An increase in serum leptin concentrations may be one mechanism by which anorexia is induced by IL-1α. However, tachyphylaxis of the leptin response suggests that other mechanisms also are involved.

Original languageEnglish
Pages (from-to)3084-3086
Number of pages3
JournalJournal of Clinical Endocrinology and Metabolism
Volume82
Issue number9
DOIs
StatePublished - 1997

Fingerprint

Leptin
Interleukin-1
Serum
Tachyphylaxis
Anorexia
Appetite
Endotoxins
Cricetinae
Tumor Necrosis Factor-alpha
Body Weight
Animals
Cytokines
Neoplasms

ASJC Scopus subject areas

  • Biochemistry
  • Endocrinology, Diabetes and Metabolism

Cite this

Janik, J. E., Curti, B. D., Considine, R., Rager, H. C., Powers, G. C., Alvord, W. G., ... Kopp, W. C. (1997). Interleukin 1α increases serum leptin concentrations in humans. Journal of Clinical Endocrinology and Metabolism, 82(9), 3084-3086. https://doi.org/10.1210/jc.82.9.3084

Interleukin 1α increases serum leptin concentrations in humans. / Janik, John E.; Curti, Brendan D.; Considine, Robert; Rager, Helen C.; Powers, Geraldine C.; Alvord, W. Gregory; Smith, John W.; Gause, Barry L.; Kopp, William C.

In: Journal of Clinical Endocrinology and Metabolism, Vol. 82, No. 9, 1997, p. 3084-3086.

Research output: Contribution to journalArticle

Janik, JE, Curti, BD, Considine, R, Rager, HC, Powers, GC, Alvord, WG, Smith, JW, Gause, BL & Kopp, WC 1997, 'Interleukin 1α increases serum leptin concentrations in humans', Journal of Clinical Endocrinology and Metabolism, vol. 82, no. 9, pp. 3084-3086. https://doi.org/10.1210/jc.82.9.3084
Janik, John E. ; Curti, Brendan D. ; Considine, Robert ; Rager, Helen C. ; Powers, Geraldine C. ; Alvord, W. Gregory ; Smith, John W. ; Gause, Barry L. ; Kopp, William C. / Interleukin 1α increases serum leptin concentrations in humans. In: Journal of Clinical Endocrinology and Metabolism. 1997 ; Vol. 82, No. 9. pp. 3084-3086.
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