I am studying apoptosis in adherent cells. Can I trypsinize the cells when using Annexin V-FITC to stain the cells?

Adherent cells undergoing apoptosis automatically detach from the plate and may not require trypsinization. If there are attached cells, they may be trypsinized without affecting phosphatidylserine (PS).

I do not have access to flow cytometer in my building. Can I stain for Annexin V and propidium iodide (PI), fix the cells, then analyze them in a different facility?

Fixing the cells can affect cell permeability, enhancing the uptake of Annexin V and PI intracellularly. As a result, the profile of fixed cells may be different from unfixed cells, and the use of appropriate controls is recommended.

Recombinant Porcine Annexin V Protein [Fluorescein] New

Name: Recombinant Porcine Annexin V Protein [Fluorescein]
Brand: Novus Biologicals
SKU: NBP3-57622

Novus Biologicals, part of Bio-Techne | Catalog # NBP3-57622

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Product Specifications
Preparation & Storage
Background
Product Documents
Specific Notices

Key Product Details

Conjugate

Fluorescein (Excitation= 488 nm, Emission= 515-545 nm)

Applications

Flow Cytometry

View all Annexin V Proteins and Enzymes »

Product Specifications

Description

A recombinant protein corresponding to Porcine Annexin V.

Source: Yeast

Amino Acid Sequence: MAQVLRGTVT DFPGFDERAD AETLRKAMKG LGTDEESILT LLTSRSNAQR QEIAVAFKTL FGRDLLDDLK SELTGKFEKL IVALMKPSRL YDAYELKHAL KGAGTDEKIL TEIIASRTPE ELRAIKQVYE EEYGSSLEDD VVGDTSGYYQ RMLVVLLQAN RDPDGRIDEA QVEQDAQALF QAGELKWGTD EEKFITILGT RSVSHLRRVF DKYMTISGFQ IEETIDRETS GNLEQLLLAV VKSIRSIPAY LAETLYYAMK GAGTDDHTLI RVMVSRSEID LFNIRKEFRK NFATSLYSMI KGDTSGDYKK ALLLLCGGED D (321)

Purity

>98%, by SDS-PAGE

Endotoxin Level

No affinity tags & naturally endotoxin-free

Protein / Peptide Type

Recombinant Protein

Formulation, Preparation and Storage

NBP3-57622

Formulation	1-5X PBS containing 10% Trehalose
Preservative	10% Trehalose
Shipping	The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage	Store at 4C.

Background: Annexin V

Annexin V is encoded by this gene belongs to the annexin family of calcium-dependent phospholipid binding proteins some of which have been implicated in membrane-related events along exocytotic and endocytotic pathways. Annexin 5 is a phospholipase A2 and protein kinase C inhibitory protein with calcium channel activity and a potential role in cellular signal transduction, inflammation, growth and differentiation. Annexin 5 has also been described as placental anticoagulant protein I, vascular anticoagulant-alpha, endonexin II, lipocortin V, placental protein 4 and anchorin CII. The gene spans 29 kb containing 13 exons, and encodes a single transcript of approximately 1.6 kb and a protein product with a molecular weight of about 35 kDa.

Alternate Names

ANX5, ANXA5, ANXV

Gene Symbol

ANXA5

Additional Annexin V Products

Product Documents for Recombinant Porcine Annexin V Protein [Fluorescein]

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Product Specific Notices for Recombinant Porcine Annexin V Protein [Fluorescein]

This product is for research use only and is not approved for use in humans or in clinical diagnosis. This product is guaranteed for 1 year from date of receipt.

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