Identification of high-performing antibodies for SPARC-related modular calcium-binding protein 1 (SMOC-1) for use in Western Blot and immunoprecipitation

F1000Res. 2024 Sep 5:12:1279. doi: 10.12688/f1000research.141800.2. eCollection 2023.

Abstract

SPARC-related modular calcium-binding protein 1, otherwise known as SMOC-1, is a secreted glycoprotein involved in various cell biological processes including cell-matrix interactions, osteoblast differentiation, embryonic development, and homeostasis. SMOC-1 was found to be elevated in asymptomatic Alzheimer's disease (AD) patient cortex as well as being enriched in amyloid plaques and in AD patientcerebrospinal fluid, arguing for SMOC-1 as a promising biomarker for AD. Having access to high-quality SMOC-1 antibodies is crucial for the scientific community. It can ensure the consistency and reliability of SMOC-1 research, and further the exploration of its potential as both a therapeutic target or diagnostic marker.. In this study, we characterized seven SMOC-1 commercial antibodies for Western blot and immunoprecipitation, using a standardized experimental protocol based on comparing read-outs in knockout cell lines and isogenic parental controls. We identified successful antibodies in the tested applications and encourage readers to use this report as a guide to select the most appropriate antibody for their specific needs.

Keywords: SMOC-1; SMOC1; SPARC-related modular calcium binding protein 1; Uniprot ID Q9H4F8; antibody characterization; antibody validation; immunoprecipitation; western blot.

MeSH terms

  • Alzheimer Disease / diagnosis
  • Animals
  • Antibodies* / immunology
  • Blotting, Western*
  • Calcium-Binding Proteins / immunology
  • Humans
  • Immunoprecipitation* / methods

Substances

  • Antibodies
  • Calcium-Binding Proteins