Trastuzumab (anti-HER2)

Trastuzumab (anti-human HER2) is a humanized, recombinant monoclonal antibody that binds to the extracellular domain of HER2, MW:145.53 KD.

Trastuzumab (anti-HER2) Chemical Structure

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Selleck's Trastuzumab (anti-HER2) has been cited by 27 Publications

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Purity & Quality Control

Batch: Purity: 99.94% Protein concentration: 4.2mg/ml Endotoxin Level: <1EU/mg
99.94

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Biological Activity

Description Trastuzumab (anti-human HER2) is a humanized, recombinant monoclonal antibody that binds to the extracellular domain of HER2, MW:145.53 KD.
Features Human IgG1
Targets
HER2 [1]
In Vitro
In vitro

Loss of function of CSK or PTEN confers resistance to both lapatinib and trastuzumab in Human epidermal growth factor receptor 2 (HER2)-amplified gastric cancer (GC) cells.[1]

Cell Research:

OE19 cells transduced with CSK targeting sgRNAs or PTEN targeting sgRNAs were used for following test. OE19 cells transduced with non-targeting sgRNA as control. a Growth curve of test groups with 0.05 μM lapatinib in combination with indicated dose of trastuzumab for 6 days.

In Vivo
In vivo

Trastuzumab exerts antitumor effects in ERBB2-positive AFPGC PDX models, in which statistically significant differences are present in the tumor volume between the group treated with AZD5438 combined with trastuzumab and those treated with AZD5438 or trastuzumab alone in ERBB2 and CCNE1 co-amplified PDX models.[2]

Animal Research

AnimalModels:Female BALB/c nude mice of ERBB2-positive alpha-fetoprotein producing gastric carcinoma patient-derived xenograft models
Dosages:10 mg/kg
Administration:i.p.[2]

 

Product Details

CAS No. 180288-69-1
Isotype Human IgG1
Source CHO cells
Formulation PBS buffer, pH 7.2
Storage
(From the date of receipt)
Store the undiluted solution at 4°C in the dark to avoid freeze-thaw cycles

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Frequently Asked Questions

Question 1:
How to store the antibody?

Answer:
Store the undiluted solution at 4 °C in the dark. Freezing antibodies can result in a loss of activity caused by the freezing/thawing process. Diluting antibodies to working concentrations and storing at 4°C for more than a day should be avoided. Additionally, make sure to keep the antibody sterile. Under these storage conditions, your antibodies should remain active for up to one year and oftentimes longer.

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