Quantitation of SPLUNC1 in saliva with an xMAP particle-based antibody capture and detection immunoassay

Karl G. Kohlgraf, Abbey R. Ackermann, Kindra K. Burnell, Rupasree N. Srikantha, Sophie A. Joly, Jennifer A. Bartlett, Lokesh Gakhar, Georgia K. Johnson, Paul B. McCray, Janet M Guthmiller, Kim A. Brogden

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The short palate lung and nasal epithelial clone 1 (SPLUNC1) protein may be differentially expressed in oral infections, oral inflammatory disorders, or oral malignancies and may be involved in innate immune responses in the oral cavity. However, the actual concentration of SPLUNC1 in saliva has not previously been determined. In this study, we determined the concentrations of SPLUNC1 in saliva using a particle-based antibody capture and detection immunoassay. A commercial goat anti-rhSPLUNC1 polyclonal antibody (AF1897) was linked to fluorescent polystyrene microspheres and used as the capture antibody. A commercial mouse IgG2b anti-rhSPLUNC1 monoclonal antibody (MAB1897) was biotinylated and used as the detection antibody. Western blot and 2-dimensional fluorescence difference gel electrophoresis (2-D DIGE) analysis of immunoprecipitated rhSPLUNC1 and SPLUNC1 from saliva were used to show that the capture AF1897 and detection MAB1897 antibodies both recognized SPLUNC1. Protein concentrations in saliva from 20 subjects ranged from 0.9 to 23.9 mg/ml; SPLUNC1 concentrations ranged from 34.7 ng/ml to 13.8 μg/ml; and SPLUNC concentrations normalized per mg of total salivary protein ranged from 4.7 ng/ml to 5.3 μg/ml. These results show that SPLUNC1 is detected in saliva in a variety of concentrations. This immunoassay may prove to be useful in determining the concentration of SPLUNC1 in saliva for assessing its role in the pathogenesis of oral infections, oral inflammatory disorders, or oral malignancies.

Original languageEnglish (US)
Pages (from-to)197-204
Number of pages8
JournalArchives of Oral Biology
Volume57
Issue number2
DOIs
StatePublished - Feb 1 2012

Fingerprint

Palate
Nose
Saliva
Immunoassay
Clone Cells
Lung
Antibodies
Two-Dimensional Difference Gel Electrophoresis
Salivary Proteins and Peptides
Polystyrenes
Infection
Microspheres
Innate Immunity
Goats
Mouth
Neoplasms
Proteins
Fluorescence
Western Blotting
Monoclonal Antibodies

Keywords

  • Innate immunity
  • Luminex
  • SPLUNC
  • SPLUNC1
  • Saliva
  • xMAP

ASJC Scopus subject areas

  • Otorhinolaryngology
  • Dentistry(all)
  • Cell Biology

Cite this

Kohlgraf, K. G., Ackermann, A. R., Burnell, K. K., Srikantha, R. N., Joly, S. A., Bartlett, J. A., ... Brogden, K. A. (2012). Quantitation of SPLUNC1 in saliva with an xMAP particle-based antibody capture and detection immunoassay. Archives of Oral Biology, 57(2), 197-204. https://doi.org/10.1016/j.archoralbio.2011.08.013

Quantitation of SPLUNC1 in saliva with an xMAP particle-based antibody capture and detection immunoassay. / Kohlgraf, Karl G.; Ackermann, Abbey R.; Burnell, Kindra K.; Srikantha, Rupasree N.; Joly, Sophie A.; Bartlett, Jennifer A.; Gakhar, Lokesh; Johnson, Georgia K.; McCray, Paul B.; Guthmiller, Janet M; Brogden, Kim A.

In: Archives of Oral Biology, Vol. 57, No. 2, 01.02.2012, p. 197-204.

Research output: Contribution to journalArticle

Kohlgraf, KG, Ackermann, AR, Burnell, KK, Srikantha, RN, Joly, SA, Bartlett, JA, Gakhar, L, Johnson, GK, McCray, PB, Guthmiller, JM & Brogden, KA 2012, 'Quantitation of SPLUNC1 in saliva with an xMAP particle-based antibody capture and detection immunoassay', Archives of Oral Biology, vol. 57, no. 2, pp. 197-204. https://doi.org/10.1016/j.archoralbio.2011.08.013
Kohlgraf, Karl G. ; Ackermann, Abbey R. ; Burnell, Kindra K. ; Srikantha, Rupasree N. ; Joly, Sophie A. ; Bartlett, Jennifer A. ; Gakhar, Lokesh ; Johnson, Georgia K. ; McCray, Paul B. ; Guthmiller, Janet M ; Brogden, Kim A. / Quantitation of SPLUNC1 in saliva with an xMAP particle-based antibody capture and detection immunoassay. In: Archives of Oral Biology. 2012 ; Vol. 57, No. 2. pp. 197-204.
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