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Scientific Literature

Publications

Peer-reviewed research, review articles, and technical documentation from the Liquid Biologics team and collaborators.

Featured Research

Menstrual Blood-Derived Stem Cells: A Comprehensive Review of Isolation Methods, Characterization, and Therapeutic Applications

Liquid Biologics Research Team
In Preparation, 2026
This comprehensive review examines the current state of menstrual blood-derived mesenchymal stem cell (MenSC) research, comparing isolation methodologies, characterizing phenotypic markers, and evaluating preclinical therapeutic applications. We present standardized protocols for collection, isolation, and culture that optimize cell yield while maintaining ISCT-compliant characterization standards.
MenSCs Review Protocol Standardization

Optimization of MenSC Isolation: Comparative Analysis of Density Gradient and Lysis-Based Methods

Research Team, Liquid Biologics
Manuscript in Preparation, 2026
A head-to-head comparison of Ficoll-Paque density gradient centrifugation versus ammonium chloride RBC lysis for isolating menstrual blood-derived stem cells. We evaluate yield, viability, purity, and downstream culture characteristics to provide evidence-based recommendations for protocol selection.
Methods Cell Isolation Original Research

Reference Literature

Minimal Criteria for Defining Multipotent Mesenchymal Stromal Cells

Dominici M, Le Blanc K, Mueller I, et al.
Cytotherapy. 2006;8(4):315-317.
The International Society for Cellular Therapy (ISCT) position statement establishing minimum criteria for defining human mesenchymal stem cells: plastic adherence, specific surface antigen expression, and trilineage differentiation potential.
ISCT Standards Guidelines

Multipotent Menstrual Blood Stromal Stem Cells: Isolation, Characterization, and Differentiation

Patel AN, Park E, Kuzman M, et al.
Cell Transplantation. 2008;17(3):303-311.
Landmark study demonstrating that menstrual blood contains stromal stem cells with multipotent differentiation capacity, capable of differentiating into chondrogenic, adipogenic, and neurogenic lineages.
MenSCs Original Research

Endometrial Regenerative Cells: A Novel Stem Cell Population

Meng X, Ichim TE, Zhong J, et al.
Journal of Translational Medicine. 2007;5:57.
Original characterization of endometrial regenerative cells (ERCs) from menstrual blood, demonstrating unique immunological properties and expansion capacity exceeding 68 doublings.
ERCs Original Research

Novel Cardiac Precursor-Like Cells from Human Menstrual Blood-Derived Mesenchymal Cells

Hida N, Nishiyama N, Miyoshi S, et al.
Stem Cells. 2008;26(6):1695-1704.
Demonstration that MenSCs can differentiate into cardiac precursor cells with potential applications in cardiovascular regenerative medicine.
MenSCs Cardiac Differentiation

Standard Operating Procedures

Our laboratory protocols are documented as standardized operating procedures (SOPs) following GLP guidelines. These documents are available for research use under open science principles.

SOP-LB-001: Sample Collection & Transport

Liquid Biologics Protocol Library
Version 1.0, February 2026
Standardized protocols for menstrual blood sample collection, including donor screening, collection device preparation, transport media specifications, and chain of custody documentation.
Protocol SOP Sample Handling

SOP-LB-002: Cell Isolation & Purification

Liquid Biologics Protocol Library
Version 1.0, February 2026
Detailed procedures for isolating mesenchymal stem cells from menstrual blood using density gradient centrifugation and RBC lysis methods, including troubleshooting and quality control checkpoints.
Protocol SOP Cell Isolation

SOP-LB-003: Culture & Expansion

Liquid Biologics Protocol Library
Version 1.0, February 2026
Complete culture protocols including media formulations, seeding densities, feeding schedules, passaging criteria, and cryopreservation procedures for MenSC maintenance and expansion.
Protocol SOP Cell Culture

SOP-LB-004: Flow Cytometry Characterization

Liquid Biologics Protocol Library
Version 1.0, February 2026
ISCT-compliant flow cytometry panel for MenSC characterization, including surface marker selection, gating strategies, and quality control thresholds for positive and negative marker expression.
Protocol SOP Characterization

SOP-LB-005: Tri-lineage Differentiation Assays

Liquid Biologics Protocol Library
Version 1.0, February 2026
Standardized protocols for osteogenic, adipogenic, and chondrogenic differentiation of MenSCs, including induction media formulations, staining procedures, and validation criteria.
Protocol SOP Differentiation

SOP-LB-006: Exosome Isolation

Liquid Biologics Protocol Library
Version 1.0, February 2026
Multiple methods for extracellular vesicle isolation from MenSC conditioned media, including ultracentrifugation, precipitation, and size exclusion chromatography approaches.
Protocol SOP Exosomes