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WI-38: reference & planning

Compare source conditions and connect them to a measured preparation plan.

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Cell-line reference

WI-38 CCL-75

Sourced reference

Vendor conditions describe the referenced product and formulation. Match these to your lab’s approved protocol and culture history.

View source · ATCC
Reviewed 2026-10-01
Finite-lifespan lung fibroblasts. The approximately 24-hour ATCC doubling-time reference is not a forecast for your passage level or conditions.

Culture environment

37°C · 5% CO₂ in air
Adherent · Human · Lung

Medium

ATCC-formulated EMEM
10% FBS (final v/v)

Passaging

ATCC reference: 1:2–1:4; renew medium 2–3 times weekly.

Trypsin–EDTA; follow the product-specific ATCC procedure.

Growth

Approximately 24 hours population doubling time in the ATCC reference.

Cryopreservation

ATCC lists complete growth medium with 5% v/v DMSO.

View source · ATCC
Reviewed 2026-10-01

Use this reference in a calculation

This entry is part of the comparison directory. Compare the supplier formulation and growth type before loading it into a calculator. The linked guides explain how to turn a measured stock and a lab-selected target into a volume plan.