Protosera
Developer and contract-service provider focused on peptide-based biomarker discovery, mass-spectrometry peptidomics, and blood-based risk tests. Operates a registered clinical testing laboratory and provides end-to-end services from peptidome discovery (direct electrophoresis-to‑MALDI workflows) through quantitative assay verification and clinical test service delivery. Provides membrane-protein library and ligand–receptor screening methods for receptor discovery and translational target identification, and collaborates with universities and clinical partners for biomarker discovery, validation, and therapeutic target development.
Industries
Nr. of Employees
small (1-50)
Products
Blood-based peptide biomarker risk test — colorectal cancer (blood test)
A blood test that measures multiple disease-associated peptides to compute a colorectal cancer risk index using mass spectrometry-based quantitation.
Blood-based peptide biomarker risk test — pancreatic cancer (blood test)
Blood test measuring peptide markers identified from peptidome studies to assess pancreatic cancer risk.
Blood-based peptide biomarker test — liver disease risk
Blood test for assessment of current liver disease risk by measuring peptides related to cytokeratin-18 fragments and related markers.
Blood-based peptide biomarker risk test — colorectal cancer (blood test)
A blood test that measures multiple disease-associated peptides to compute a colorectal cancer risk index using mass spectrometry-based quantitation.
Blood-based peptide biomarker risk test — pancreatic cancer (blood test)
Blood test measuring peptide markers identified from peptidome studies to assess pancreatic cancer risk.
Blood-based peptide biomarker test — liver disease risk
Blood test for assessment of current liver disease risk by measuring peptides related to cytokeratin-18 fragments and related markers.
Services
Peptidome biomarker discovery and research services
Contract research for discovery of peptide biomarkers from serum/plasma and tissues, including high-throughput electrophoresis-to-MALDI profiling, MS/MS identification and HPLC purification.
Integrated assay development and large-scale verification
Synthesis of isotope-labeled peptides, targeted SRM/LC-MS/MS method development, multi-marker model construction and large-scale verification studies to support clinical assay implementation.
Membrane protein library preparation and ligand–receptor screening
Preparation of tissue- or cell-derived membrane protein libraries reconstituted into lipid bilayers and screening against immobilized ligands to identify receptor candidates, followed by proteomic identification.
Centralized clinical testing services (registered laboratory)
Clinical sample testing for blood-based peptide risk assays performed in a registered hygienic testing laboratory, including sample receipt, analysis and reporting to ordering institutions.
Peptidome biomarker discovery and research services
Contract research for discovery of peptide biomarkers from serum/plasma and tissues, including high-throughput electrophoresis-to-MALDI profiling, MS/MS identification and HPLC purification.
Integrated assay development and large-scale verification
Synthesis of isotope-labeled peptides, targeted SRM/LC-MS/MS method development, multi-marker model construction and large-scale verification studies to support clinical assay implementation.
Membrane protein library preparation and ligand–receptor screening
Preparation of tissue- or cell-derived membrane protein libraries reconstituted into lipid bilayers and screening against immobilized ligands to identify receptor candidates, followed by proteomic identification.
Centralized clinical testing services (registered laboratory)
Clinical sample testing for blood-based peptide risk assays performed in a registered hygienic testing laboratory, including sample receipt, analysis and reporting to ordering institutions.
Expertise Areas
- Peptidomics and peptidome analysis
- Mass spectrometry–based quantitative assay development and verification
- Peptide biomarker discovery and clinical translation
- Proteoliposome-based membrane protein library preparation
Key Technologies
- One-step electrophoresis-to-MALDI direct transfer
- MALDI‑TOF and tandem MALDI-MS/MS
- LC‑MS/MS for peptide sequencing
- Targeted SRM/LC‑MS/MS quantitation