Name: XR MSC Max Kit
Brand: XR
SKU: XRhMSCM-500

Description

Maintaining reliable human mesenchymal stem cell expansion can be difficult when serum- or platelet lysate-based culture systems introduce lot-to-lot variability, inconsistent proliferation, or changes in cell characteristics during serial passage. Laboratories working with umbilical cord, bone marrow, or adipose-derived MSCs need a more standardized culture environment that supports cell yield without compromising multipotency.

XR MSC Max Kit is a serum-free human mesenchymal stem cell culture kit designed for the isolation and continuous expansion of human MSCs. The kit combines a dedicated basal medium with an optimized supplement to provide a complete human MSC serum-free medium for routine propagation and long-term culture.

The animal component-free formulation provides an alternative to conventional αMEM plus human platelet lysate culture workflows. Under the evaluated conditions, the medium supported repeated 72-hour passages, sustained expansion through serial culture, maintenance of representative MSC phenotypes, and adipogenic, osteogenic, and chondrogenic differentiation potential.

XR MSC Max Kit is suitable for laboratories seeking a consistent mesenchymal stem cell growth medium for research involving human umbilical cord MSCs, bone marrow MSCs, adipose-derived MSCs, MSC banking, differentiation studies, and cell manufacturing process development.

Specifications

Product Name	XR MSC Max Kit
SKU	XRhMSCM-500
Product Type	Human mesenchymal stem cell serum-free culture kit
Basal Medium	475 mL × 1 bottle
Supplement	25 mL × 1 bottle
Total Prepared Volume	500 mL
Culture Format	Serum-free and animal component-free
Recommended Cell Type	Human mesenchymal stem cells
Supported Tissue Sources	Umbilical cord, bone marrow, adipose tissue, and other evaluated human MSC sources
Recommended Seeding Density	8,000–10,000 cells/cm²
Surface Coating	No precoating required under the recommended culture conditions
pH	Basal medium: 7.2–7.4 Supplement: 7.2–7.4
Endotoxin	Basal medium: ≤0.1 EU/mL Supplement: ≤0.1 EU/mL
Filtration	<0.2 μm
Bacteria Detection	Not detected
Fungi Detection	Not detected
Storage	Basal medium: 2–8°C Supplement: −20°C
Shelf Life	12 months
Grade	For Research Use Only

Features

Serum-free human MSC culture: Provides an alternative to conventional αMEM plus human platelet lysate culture systems.
Animal component-free formulation: Designed to reduce reliance on animal-derived culture components and support more standardized MSC workflows.
Optimized two-component kit: Includes a basal medium and dedicated supplement developed specifically for human mesenchymal stem cell expansion.
Efficient MSC proliferation: Supports repeated expansion over 72-hour culture intervals under the evaluated conditions.
Long-term MSC culture: Developed to support stable serial passage while maintaining multipotent differentiation capacity.
Multiple tissue sources: Suitable for MSCs derived from human umbilical cord, bone marrow, adipose tissue, and other compatible sources.
No precoating required: Human MSCs can be seeded directly into standard culture vessels under the recommended workflow.
Low endotoxin specification: Both the basal medium and supplement have an endotoxin specification of ≤0.1 EU/mL.
Research workflow flexibility: Suitable for MSC isolation, routine propagation, cell banking, differentiation studies, and upstream process research.

Recommended Culture Workflow

Prepare the complete MSC expansion medium by combining the XR MSC Max basal medium with the supplied supplement using aseptic technique. Follow the laboratory’s validated preparation and handling procedures when mixing, aliquoting, and storing complete medium.

For routine passaging, use a gentle stem cell dissociation enzyme and seed the harvested human MSCs at approximately 8,000–10,000 cells/cm². Under the evaluated workflow, cells were cultured for approximately 72 hours per passage. Culture vessels did not require precoating under the recommended conditions.

Cell morphology, attachment, confluence, and proliferation rate should be monitored during culture. Seeding density, passage timing, dissociation conditions, and medium volume may require optimization for different donors, tissue sources, culture vessels, and experimental objectives.

Expansion Performance

Serial Passage of Human Mesenchymal Stem Cells

XR MSC Max Medium was evaluated during ten consecutive passages of human MSC culture. Cells were seeded at 8,000 cells/cm² during passages 1–7 and at 10,000 cells/cm² during passages 8–10. Each passage was cultured for approximately 72 hours.

Passage	Seeding Density (cells/cm²)	Culture Time (hours)	Harvested Cells (×10⁶)	Expansion Fold
01	8,000	72	2.57	13.3
02	8,000	72	2.19	10.9
03	8,000	72	2.10	10.5
04	8,000	72	2.03	11.1
05	8,000	72	1.95	9.7
06	8,000	72	1.74	10.4
07	8,000	72	1.75	9.0
08	10,000	72	1.99	8.1
09	10,000	72	2.09	8.4
10	10,000	72	1.96	7.9

Across the evaluated ten-passage culture period, the measured expansion ranged from approximately 7.9-fold to 13.3-fold per passage. These data are representative of the tested cell source and experimental conditions and should be used as reference performance data rather than a guaranteed result for every MSC line.

Human MSC serial expansion performance and passage 10 mesenchymal stem cell phenotype analysis with XR MSC Max medium

Representative human MSC expansion and phenotype data following serial culture in XR MSC Max Medium.

MSC Phenotype and Multipotency

Phenotype Maintenance After Serial Culture

Human MSCs cultured with XR MSC Max Medium were evaluated by flow cytometry after ten passages. The representative histograms demonstrate phenotype analysis following extended serial expansion in the serum-free culture system.

Marker expression and acceptance criteria should be established according to the laboratory’s validated MSC characterization panel, tissue source, donor characteristics, and intended research application.

Three-Lineage Differentiation Potential

Following continuous culture in XR MSC Max Medium, the expanded MSCs were subjected to adipogenic, osteogenic, and chondrogenic induction. Representative staining results showed that the cultured cells retained the ability to undergo three-lineage mesenchymal differentiation under the evaluated conditions.

Adipogenic osteogenic and chondrogenic differentiation with P1 P5 and P10 human MSC morphology after XR MSC Max culture

Representative adipogenic, osteogenic, chondrogenic differentiation and serial morphology (P1, P5 and P10) of human MSCs cultured with XR MSC Max Medium.

Applications

XR MSC Max Kit is designed for human mesenchymal stem cell research requiring a consistent serum-free expansion environment. Its basal medium and dedicated supplement support workflows ranging from primary MSC culture to serial propagation and downstream differentiation studies.

Human MSC isolation and primary culture: Supports early-stage culture workflows for MSCs isolated from compatible human tissue sources.
Umbilical cord MSC culture: Suitable for expansion studies involving human umbilical cord-derived mesenchymal stem cells.
Bone marrow MSC culture: Can be used as a serum-free MSC expansion medium for human bone marrow-derived MSC research.
Adipose-derived MSC culture: Supports propagation studies using human adipose-derived mesenchymal stem or stromal cells.
Long-term MSC expansion: Designed for repeated passage workflows requiring sustained human MSC proliferation.
MSC banking: Suitable for generating expanded cell populations before cryopreservation and research cell bank establishment.
MSC phenotype characterization: Supports cell preparation for flow cytometry and other mesenchymal stem cell characterization assays.
MSC differentiation research: Suitable for generating expanded MSC populations for adipogenic, osteogenic, and chondrogenic differentiation studies.
Regenerative medicine research: Supports research workflows involving mesenchymal stem cell biology, tissue repair, and tissue engineering.
Cell therapy process development: May be used in research-stage evaluation of serum-free and animal component-free MSC expansion processes.
Extracellular vesicle research: Can support upstream MSC expansion studies where researchers require a serum-free culture background before downstream extracellular vesicle analysis.
MSC manufacturing research: Suitable for laboratory-scale studies investigating seeding density, passage timing, harvest yield, and culture process consistency.

Why Choose XR MSC Max Kit?

Serum- and platelet lysate-supplemented MSC media can provide effective growth, but differences between raw-material lots may affect proliferation, cell morphology, and downstream experimental consistency. These variables become increasingly important during long-term culture or when comparing MSCs from different donors and tissue sources.

XR MSC Max Kit provides a serum-free and animal component-free human MSC culture system developed to reduce dependence on undefined serum components. The dedicated basal medium and supplement are optimized as a complete mesenchymal stem cell expansion medium for routine propagation, serial passage, and differentiation research.

The evaluated workflow combines a recommended seeding density of 8,000–10,000 cells/cm² with gentle enzymatic dissociation and no precoating requirement. This streamlined approach can help laboratories establish a more standardized human MSC culture process while retaining flexibility for donor-specific and application-specific optimization.

Important Culture Considerations

Performance may vary according to donor, tissue source, isolation method, passage history, initial cell quality, and culture vessel.
Confirm cell identity and MSC phenotype using an appropriate laboratory-validated characterization panel.
Optimize seeding density when transferring cells from serum-containing or platelet lysate-containing culture systems.
Avoid excessive dissociation time or harsh mechanical handling that may reduce cell attachment and viability.
Monitor cultures regularly and determine passage timing according to cell morphology and confluence rather than culture time alone.
Validate downstream differentiation, extracellular vesicle, or molecular analysis workflows using the specific MSC source and experimental design.

FAQ

What is XR MSC Max Kit used for?

XR MSC Max Kit is a human mesenchymal stem cell serum-free culture kit designed for MSC isolation, routine expansion, continuous passage, cell banking, phenotype analysis, and differentiation research.

Is XR MSC Max a serum-free MSC medium?

Yes. XR MSC Max is a serum-free human MSC culture system supplied as a basal medium and dedicated supplement. It does not require additional serum under the recommended culture conditions.

Is this human MSC medium animal component-free?

Yes. The formulation is described as animal component-free, making it suitable for research workflows seeking to reduce reliance on animal-derived culture components.

Which types of human mesenchymal stem cells can be cultured?

The medium is suitable for MSCs from multiple human tissue sources, including umbilical cord, bone marrow, and adipose tissue. Culture conditions should be optimized for each donor and cell source.

Can this medium be used for umbilical cord MSC expansion?

Yes. XR MSC Max Kit can be used as a serum-free medium for human umbilical cord MSC culture and serial expansion research.

Can XR MSC Max be used for bone marrow or adipose-derived MSCs?

Yes. The product is intended for multiple MSC sources, including human bone marrow-derived MSCs and adipose-derived MSCs. Expansion performance may differ between donors and tissue sources.

What seeding density is recommended for human MSC culture?

The evaluated workflow used a seeding density of approximately 8,000–10,000 cells/cm². Researchers should optimize the density according to cell source, passage number, vessel format, and experimental objective.

Does the culture vessel require precoating?

No precoating was required under the recommended XR MSC Max culture conditions. Attachment should still be verified when using a new MSC source or culture vessel.

Does XR MSC Max support long-term MSC expansion?

The product was developed to support stable serial passage and is described as supporting culture beyond 20 passages while maintaining multilineage differentiation potential. Representative expansion data are provided for ten consecutive passages.

What expansion rate was observed during testing?

During the reported ten-passage evaluation, expansion ranged from approximately 7.9-fold to 13.3-fold per 72-hour passage. Results are reference data and may vary between MSC sources and laboratory conditions.

Does the medium maintain MSC multipotency?

Representative results showed adipogenic, osteogenic, and chondrogenic differentiation after continuous culture, indicating maintenance of three-lineage differentiation potential under the evaluated conditions.

Can this MSC expansion medium be used for extracellular vesicle research?

The serum-free formulation can support upstream MSC expansion studies where a reduced-serum-background culture system is desirable. Researchers should independently validate collection timing, medium conditioning, isolation methods, and analytical controls for extracellular vesicle studies.

How should XR MSC Max Kit be stored?

Store the basal medium at 2–8°C and the supplement at −20°C. Both components have a stated shelf life of 12 months when stored as directed.

Is XR MSC Max Kit intended for clinical use?

No. XR MSC Max Kit is supplied for research use only and is not intended for diagnostic, therapeutic, or direct clinical use.

For Research Use Only. Not intended for diagnostic, therapeutic, or clinical use.

XR MSC Max Kit – Human MSC Serum-Free Medium Kit