Leukocyte chemotactic factor 2: A novel renal amyloid protein

Merrill Benson, Sam James, Katherine Scott, Juris J. Liepnieks, Barbara Kluve-Beckerman

Research output: Contribution to journalArticle

77 Citations (Scopus)

Abstract

Renal amyloid deposits can often be seen in primary amyloidosis (immunoglobulin light chain disease) or in secondary forms such as reactive amyloidosis as well as in several hereditary forms where a variety of mutant proteins 'precipitate' as amyloid plaques. However, in rare cases, amyloidosis may be identified by renal biopsy, but no definitive diagnosis could be made. We have isolated amyloid fibrils from such a case in which the patient presented with nephrotic syndrome and subsequent azotemia requiring hemodialysis. Evaluation for amyloid deposition in other organ systems was negative and immunohistochemical analysis of the kidney deposits for known contributing proteins was unrevealing. Biochemical analysis of the fibrils identified a new amyloid subunit protein, leukocyte chemotactic factor 2, originally identified as a possible chemotactic and growth factor. A monoclonal antibody to this protein reacted specifically with the amyloid deposits in the glomeruli and interstitium by immunohistochemistry. This study emphasizes the importance of biochemical characterization of amyloid present in renal biopsies.

Original languageEnglish
Pages (from-to)218-222
Number of pages5
JournalKidney International
Volume74
Issue number2
DOIs
StatePublished - Jul 2008

Fingerprint

Amyloidogenic Proteins
Chemotactic Factors
Amyloid Plaques
Leukocytes
Amyloid
Kidney
Amyloidosis
Azotemia
Immunoglobulin Light Chains
Biopsy
Nephrotic Syndrome
Mutant Proteins
Renal Dialysis
Intercellular Signaling Peptides and Proteins
Proteins
Immunohistochemistry
Monoclonal Antibodies

Keywords

  • Amyloid
  • Kidney
  • Nephrotic syndrome

ASJC Scopus subject areas

  • Nephrology

Cite this

Benson, M., James, S., Scott, K., Liepnieks, J. J., & Kluve-Beckerman, B. (2008). Leukocyte chemotactic factor 2: A novel renal amyloid protein. Kidney International, 74(2), 218-222. https://doi.org/10.1038/ki.2008.152

Leukocyte chemotactic factor 2 : A novel renal amyloid protein. / Benson, Merrill; James, Sam; Scott, Katherine; Liepnieks, Juris J.; Kluve-Beckerman, Barbara.

In: Kidney International, Vol. 74, No. 2, 07.2008, p. 218-222.

Research output: Contribution to journalArticle

Benson, M, James, S, Scott, K, Liepnieks, JJ & Kluve-Beckerman, B 2008, 'Leukocyte chemotactic factor 2: A novel renal amyloid protein', Kidney International, vol. 74, no. 2, pp. 218-222. https://doi.org/10.1038/ki.2008.152
Benson, Merrill ; James, Sam ; Scott, Katherine ; Liepnieks, Juris J. ; Kluve-Beckerman, Barbara. / Leukocyte chemotactic factor 2 : A novel renal amyloid protein. In: Kidney International. 2008 ; Vol. 74, No. 2. pp. 218-222.
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