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Where are Lonza’s Human Skeletal Muscle Myoblasts (HSMM) cells isolated from?

The Human Skeletal Muscle Myoblasts are sourced from normal post-gestational tissue of cadavers from 1 day to 40 years old. The HSMMs are isolated from the quadriceps or psoas muscle.

What percentage of most microvascular lots are lymphatic derived cells (LEC)? What percentage of most microvascular lots are blood vessel derived cells (BEC)?

Each lot of our Human Microvasculare Endothelial Cells - dermal (CC-2543 and CC-2516) and our Human Microvasculare Endothelial Cells - Lung (CC-2527) is tested for the percentage of LEC (double-positive for CD31+ and Podoplanin) and BEC (positive for...

When performing a Lonza Bacterial Endotoxin Test (BET), LAL or PyroGene™ Recombinant Factor C (rFC), endotoxin detection assay should I use matched reagents, lysate/CSE?

You need to use matched reagents in order to comply with FDA requirements for endotoxin testing. Each Lonza LAL lot is tested for functionality using United States Reference Standard EC-7. We then match this LAL lot to a lot of our Control...

Where are Lonza’s lung microvascular endothelial cells (HMVEC-L) isolated from?

Lonza’s lung microvascular endothelial cells (HMVEC-L) are isolated from the tissue directly beneath the outer lining of the lung. All vessels isolated are smaller than can be seen with the naked eye.

How can Lonza’s Human Skeletal Muscle Myoblasts (HSMM) be differentiated to produce desmin?

Human Skeletal Muscle Myoblasts usually begin to form multinucleated myotubes when the culture reaches 50-70% confluence. Myotubes are formed by the fusion of several to many myoblasts. Addition of differentiation medium, when the culture reaches...

Why is the morphology of Lonza’s lung microvascular endothelial cells (HMVEC-L) CC-2527 different from most other endothelial cells?

While most endothelial cells will have a “paving stone” type morphology, Lonza’s lung microvascular endothelial cells (HMVEC-L) will generally appear more stretched and elongated, especially at low confluence. This is a normal morphological...

When preparing to run a Lonza Bacterial Endotoxin Test (BET), LAL or PyroGene™ Recombinant Factor C (rFC), endotoxin detection kit how is the potency of CSE determined?

The RSE/CSE procedure used by Lonza to determine CSE potency is found on the Certificate of Analysis for each matched kit. In general, dilutions of endotoxin from multiple vials of CSE are tested unknowns compared to a series of standards produced...

Approximately what size are the Coronary Artery Smooth Muscle Cells (CASMCs)?

Lonza’s R&D estimates that the CASMC’s are around 30 µm in diameter when rounded/in suspension.

Where are Lonza’s Normal Human Neural Progenitor (NHNP) and Normal Human Astrocytes (NHA) cells isolated from?

Lonza’s Normal Human Neural Progenitor (NHNP) and Normal Human Astrocytes (NHA) cells are primarily isolated from the cerebral cortex (or forebrain from cerebral hemisphere) from fragmented fetal brain tissue (16-20 weeks old).

Where are Lonza’s Human Aortic Smooth Muscle Cells (AoSMC) isolated from?

While Lonza’s Human Aortic Smooth Muscle Cells (AoSMC) are isolated from either the ascending or descending aorta, it is usually the ascending aorta that is used. If the heart comes with the aorta, which happens most of the time, then the AoSMC are...

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