Anti-CD33 immunotoxin (scFv)-PE

Name: Anti-CD33 immunotoxin (scFv)-PE
SKU: AGTO-G008E
Rating: 5 (1 reviews)

CAT#: AGTO-G008E

This immunotoxin was achieved by conjugating/fusing the Anti-CD33 scFv to Pseudomonas exotoxin. It was expressed in CHO and purified with affinity chromatography. The immunotoxin selectively binds to acute myeloid leukaemia cells. Once bind, the toxin enters cells by receptor-mediated endocytosis. Then PE cleaved fragments the size of Mr 37000 and 27000, the large fragment and finally into the Golgi and elongation factor 2 (EM) combining it glycosylation inactivation, inhibition of protein synthesis, leading to apoptosis. It was designed for treating acute myeloid leukaemia.

Gene Expression

Subcellular Location and Protein Expression Figure 1 IF staining of human cell line PC-3

Immunofluorescent staining of human cell line PC-3 shows localization to nucleoplasm & plasma membrane.

* Image credit: Image credit: Human Protein Atlas https://v21.proteinatlas.org/images/64807/1186_A4_3_selected.jpg

Subcellular Location and Protein Expression Figure 2 IHC staining of human lymph node

Immunohistochemical staining of human lymph node shows membranous and cytoplasmic positivity in germinal center cells and non-germinal center cells.

* Image credit: Image credit: Human Protein Atlas https://v21.proteinatlas.org/images/35832/113039_A_9_8_selected.jpg

Subcellular Location and Protein Expression Figure 3 IHC staining of human tonsil

Immunohistochemical staining of human tonsil shows cytoplasmic positivity in germinal center cells and non-germinal center cells.

* Image credit: Image credit: Human Protein Atlas https://v21.proteinatlas.org/images/11442/26430_A_6_8_selected.jpg

Subcellular Location and Protein Expression Figure 4 IF staining of human cell line RH-30

Immunofluorescent staining of human cell line RH-30 shows localization to nucleoplasm.

* Image credit: Image credit: Human Protein Atlas https://v21.proteinatlas.org/images/64807/1413_G6_1_red_green.jpg

Subcellular Location and Protein Expression Figure 5 IF staining of human cell line U-2 OS

Immunofluorescent staining of human cell line U-2 OS shows localization to nucleoplasm.

* Image credit: Image credit: Human Protein Atlas https://v21.proteinatlas.org/images/64807/1200_A4_2_red_green.jpg

Normal Tissue Figure 6 Kidney

Cells in tubules
Staining:Medium
Intensity: Strong
Quantity: <25%
Location: Cytoplasmic/membranous

* Image credit: Image credit: Human Protein Atlas https://v21.proteinatlas.org/images/79996/170702_A_9_5.jpg

Normal Tissue Figure 7 Lymph node

Non-germinal center cells
Staining:Medium
Intensity: Strong
Quantity: <25%
Location: Cytoplasmic/membranous

* Image credit: Image credit: Human Protein Atlas https://v21.proteinatlas.org/images/79996/170702_A_9_8.jpg

Normal Tissue Figure 8 Spleen

Cells in red pulp
Staining:Medium
Intensity: Moderate
Quantity:>75%
Location: Cytoplasmic/membranous

* Image credit: Image credit: Human Protein Atlas https://v21.proteinatlas.org/images/79996/170702_B_8_4.jpg

RNA Expression Figure 9 RNA cell line category: Cell line enhanced (HEL, HL-60, HMC-1, NB-4, RPMI-8226, THP-1, U-937)

Cell lines ordered by descending RNA expression order.

* Image credit: Image credit: Human Protein Atlas https://v21.proteinatlas.org/ENSG00000105383-CD33

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Specifications

Host Species
Mouse

Species Reactivity
Human

Molecule Class
scFv-PE

Toxin Description
Pseudomonas aeruginosa exotoxin (Pseudomonas Aeruginosa Exotoxin A, PE) is a cell toxin produced by P. aeruginosa. Divided into three domains in space. DomainIII (s 405~613 amino acids) having ADP ribosylation activity, can inhibit protein synthesis, PE on toxicity mechanisms of cell depends on its Domainlll. After PE molecules into mammals, Domain Ia and widely distributed in mammalian cells α 2 macroglobulin receptor binding was endocytic, then PE cleaved fragments the size of Mr 37000 and 27000, the large fragment and finally into the Golgi and elongation factor 2 (EM) combining it glycosylation inactivation, inhibition of protein synthesis, leading to apoptosis.

Applications
This product is suitable for use in cytotoxicity assay, functional assay and immunotherapy.

Related Disease
myeloid leukaemia

Target

Alternative Names
CD33; CD33 molecule; p67; SIGLEC3; SIGLEC-3; myeloid cell surface antigen CD33; gp67; CD33 antigen (gp67); sialic acid binding Ig-like lectin 3; sialic acid-binding Ig-like lectin 3; Pseudomonas exotoxin; Pseudomonas exotoxin A; Pseudomonas aeruginosa exotoxin; Pseudomonas aeruginosa exotoxin A; PE; PE38; PE40; ETA; PE33; PE35

Gene ID
945

UniProt ID
P20138

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Product Notes

This is a product of Creative Biolabs' Hi-Affi™ recombinant antibody portfolio, which has several benefits including:

• Increased sensitivity
• Confirmed specificity
• High repeatability
• Excellent batch-to-batch consistency
• Sustainable supply
• Animal-free production

See more details about Hi-Affi™ recombinant antibody benefits.

Datasheet

Datasheet - AGTO-G008E.pdf

MSDS

MSDS - AGTO-G008E.pdf

COA

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