The GSL Steroid Conjugates & Phase-II Metabolites Panel supports targeted LC-MS/MS analysis of steroid sulfates, steroid glucuronides, and selected steroid-derived conjugates. This panel is useful for research involving steroid clearance, phase-II metabolism, conjugation pathways, endocrine regulation, toxicology, and specialized steroidomics studies.

What This Panel Measures

Representative analyte classes may include:

  • Steroid sulfates
  • Steroid glucuronides
  • Estrogen sulfates and glucuronides
  • Androgen conjugates
  • Progestogen conjugates
  • Neurosteroid sulfates
  • Selected steroid-derived glutathione, cysteine, and N-acetylcysteine conjugates

Representative Analytes

Representative analytes may include DHEA sulfate, testosterone sulfate, testosterone glucuronide, androstanediol glucuronide, etiocholanolone glucuronide, DHEA glucuronide, pregnanediol glucuronide, pregnenolone glucuronide, pregnanolone sulfate, cortisol sulfate, cholesterol sulfate, allopregnanolone sulfate, epiallopregnanolone sulfate, selected estrogen sulfates, selected estrogen glucuronides, and selected steroid-derived conjugates.

Sample Types

Urine, serum/plasma, tissue, cells, extracts, and other matrices may be supported depending on analyte class and project scope.

Applications

  • Steroid conjugation and clearance studies
  • Phase-II metabolism research
  • Endocrine and toxicology studies
  • Steroid pathway regulation
  • Custom conjugate biomarker studies
  • Specialized LC-MS/MS method development

Important Note

Some specialized conjugates and adduct-related analytes are available only for qualified research projects. Full technical details, internal standards, MRM transitions, and proprietary method configurations are not fully disclosed publicly.