alexa Functional knock down of VCAM1 in mice mediated by endoplasmatic reticulum retained intrabodies.
Molecular Biology

Molecular Biology

Journal of Cell Science & Therapy

Author(s): Marschall AL, Single FN, Schlarmann K, Bosio A, Strebe N,

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Abstract Functional knockdowns mediated by endoplasmatic reticulum-retained antibodies (ER intrabodies) are a promising tool for research because they allow functional interference on the protein level. We demonstrate for the first time that ER intrabodies can induce a knock-down phenotype in mice. Surface VCAM1 was suppressed in bone marrow of heterozygous and homozygous ER intrabody mice (iER-VCAM1 mice). iER-VCAM1 mice did not have a lethal phenotype, in contrast to the constitutive knockout of VCAM1, but adult mice exhibited physiological effects in the form of aberrant distribution of immature B-cells in blood and bone marrow. The capability to regulate knock-down strength may spark a new approach for the functional study of membrane and plasma proteins, which may especially be valuable for generating mouse models that more closely resemble disease states than classic knockouts do.
This article was published in MAbs and referenced in Journal of Cell Science & Therapy

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