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Membrane Proteins as Targets for Biological Drugs

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Advances in Membrane Proteins

Abstract

Membrane proteins, as gateways to the cell, are good therapeutic targets for therapeutic antibodies and other biologics. Approved biologics employ a diverse array of mechanisms of action, both inhibitory or activating. Inhibitory mechanisms including competitive inhibition, antibody dependent cellular cytotoxicity, steric inhibition and receptor downregulation are described, exemplified by the biologics targeting various receptors of the EGFR family of type I single pass membrane proteins. The tendency of membrane proteins to internalize can be exploited to deliver toxic payloads to tumor cells using ADCs. Internalization of membrane proteins also influences the pharmacokinetics of biologics, due to target mediated drug disposition. In addition to TMDD, interactions with lipid membranes of cells or with the membrane protein FcRn also influence the PK of biologics. Finally, the targeting of the immunological synapse to activate anti-tumor immunity by biological drugsĀ such as checkpoint inhibitors is described.

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Abbreviations

ADCC:

Antibody dependent cellular cytotoxicity

ADC:

Antibody drug conjugate

BVP:

Baculovirus particles

CAR:

Chimeric antigen receptor

CDC:

Complement dependent cytotoxicity

CRC:

Colorectal cancer

EGF:

Epidermal growth factor

EGFR:

Epidermal growth factor receptor

ELISA:

Enzyme linked immune-sorbent assay

HIC:

Hydrophobic interaction chromatography

INN:

International nonproprietary name

NSCLC:

Non small cell lung cancer

PD:

Pharmacodynamic

PK:

Pharmacokinetic

SPMP:

Single pass membrane protein

TMDD:

Target mediated drug disposition

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Correspondence to Vanita D. Sood .

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Ā© 2019 Springer Nature Singapore Pte Ltd.

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Sood, V.D., Gross, A.W. (2019). Membrane Proteins as Targets for Biological Drugs. In: Cao, Y. (eds) Advances in Membrane Proteins. Springer, Singapore. https://doi.org/10.1007/978-981-13-9077-7_3

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