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ADC抗体药物偶联物可降解/不可降解连接物(linker)的说明
发布时间:2020-10-28     作者:axc   分享到:

ADC抗体药物偶联物可降解/不可降解连接物(linker)的说明

西安齐岳生物供应带有一系列可裂解的连接物(pH连接物,二硫键,肽连接物,β-葡萄糖苷酸连接物),不可裂解的接头和中间接头模块。

选择抗体药物偶联物连接物时,需要考虑将单抗与*素分子连接起来,这个连接一定要稳定,要保证ADC会断掉。其次,在ADC通过内化作用进入到细胞内部时,连接物要保证*素分子被释放出来。

目前开发中的ADC药物所采取的连接物可以分为两种类型:可降解连接物(Cleavable Linkers,下图a)和不可降解连接物(Non-Cleavable Linkers下图b)。

image.png

可降解连接物:可降解连接物又可根据不同的技术路线分为以下几类:

1.Acid-sensitive linkers:这类linker的关键部分是一个腙基(hydrazone groups)。

2.Glutathione(谷胱甘肽,GSH)-sensitive disulfide linkersGSH是一种小分子化合物,

3.Lysosomal protease-sensitive peptide linkers

4.β-glucuronide(葡糖苷酸) linker:β-葡糖苷酸是β-葡糖醛酸糖苷酶的底物

不可降解的连接物:

与可降解的linker相比,不可降解的linker显然更加稳定。含有不可降解linkerADC在通过内化作用进入到细胞内部时,细胞的溶酶体会将ADC的抗体部分降解掉,linker-drug复合物无法被降解,所以不可降解的linker要保证linker-drug复合物仍然能够具有损伤的能力。

相关产品目录:

产品cas产品名称
S-acetyl-PEG3-acidS-acetyl-PEG3-acid
1818294-25-5S-acetyl-PEG6-tosyl
581065-97-6SPDP-PEG-acid (PEG1-PEGn)
1334177-95-5SPDP-PEG-NHS-ester (PEG1-PEGn)
851961-99-4(2-pyridyldithio)-PEG4-alcohol
133701-24-3(2-pyridyldithio)-PEG1-hydrazine
874302-76-8(2-pyridyldithio)-PEG1-PNB
581065-93-2(2-pyridyldithio)-PEG4 acid
1305053-43-3(2-pyridyldithio)-PEG4-NHS ester
2170240-99-8(2-pyridyldithio)-PEG4-alkyne
2144777-73-9(2-pyridyldithio)-PEG2-t-butyl ester
2100306-79-2N-Boc-N-bis(PEG3-N3)
2112731-81-2N-(N3-PEG2)-N-bis(PEG4-t-butyl ester)
2182602-15-7N-(t-butyl ester-PEG3)-N-bis(PEG3-N3)
2086689-00-92-(N3-PEG3-amido)-1,3-bis(t-butyl ester)
2093153-07-0N-(N3-PEG2)-N-Boc-PEG3-t-butyl ester
2093153-07-0 N-(N3-PEG2)-N-Boc-PEG3-t-butyl ester
2100306-63-4N-(Boc-PEG1)-N-bis(PEG2-alkyne)
2112737-71-8N-(Aminooxy-PEG2)-N-bis(PEG3-alkyne)
2112737-60-5N-(t-Boc-Aminooxy-PEG2)-N-bis(PEG3-alkyne)
2100306-69-0N-(t-butyl ester-PEG2)-N-bis(PEG2-alkyne)
2112732-01-9N-(alkyne-PEG4-carbonyl)-N-bis(PEG1-methyl ester)
2112737-19-4N-(Aminooxy-PEG3)-N-bis(PEG4-t-butyl ester)
2183440-74-4N-(N3-PEG3)-N-(PEG2-NH-Boc)-PEG3-acid
2054339-01-2N-Boc-N-bis(PEG2-acid)
2055046-22-3N-Methyl-N-bis(PEG3-OH)
2112737-74-1N-(Tos-PEG4)-N-bis(PEG4-t-butyl ester)
1393330-33-0Bromo-PEG-acid (PEG1-PEGn)
1135131-50-8Bromo-PEG-CH2CO2H (PEG1-PEGn)
1393330-36-3Bromo-PEG-t-butyl ester (PEG1-PEGn)
157759-50-7Bromo-PEG-CH2CO2tBu (PEG1-PEGn)
1144106-65-9Bromo-PEG-N3 (PEG1-PEGn)
31255-10-4Bromo-PEG-bromide (PEG1-PEGn)
110429-45-3Bromo-PEG-methyl (PEG1-PEGn)
164332-88-1Bromo-PEG-N-Boc (PEG1-PEGn)
203740-63-0Bromo-PEG-alkyne (PEG1-PEGn)
57159-62-3Bromoacetamido-PEG-NHS ester (PEG1-PEGn)
1353011-95-6Chloroacetamido-PEG4-NHS ester
1365655-90-8Chloroacetamido-PEG4-t-Butyl Ester
16024-60-5Methyl-PEG-PEG-CH2COOH (PEG1-PEGn)
1778219-81-0Methyl-PEG-t-butyl ester (PEG1-PEGn)
31576-51-9Methyl-PEG-amine (PEG1-PEGn)
1263044-81-0Methyl-PEG-maleimide (PEG1-PEGn)
89635-82-5Methyl-PEG-alkyne (PEG1-PEGn)
50586-80-6Methyl-PEG-tosyl (PEG1-PEGn)
441771-60-4Methyl-PEG-thiol (PEG1-PEGn)
1449390-68-4Methyl-PEG4-hydrazide
787524-78-1Methyl-PEG4-sulfonic acid
105108-59-6Methyl-PEG3-4-nitrophenyl carbonate
1835759-87-9Methyl-PEG3-ONHBoc
557756-85-1Fmoc-amino-PEG4-propanoic acid
1609651-90-2Alkyne-PEG4-Maleimide
1621096-79-4TCO-PEG4-NHS
1644644-96-1Methyltetrazine NHS ester
112247-65-1Biotin-NH-CH2CH2-S-S-Pyr
1151451-77-2Benzaldehyde-PEG4-N3
2062663-64-1Bromo-PEG6-N3
1313026-32-2Folate-PEG3-N3
56282-36-1HS-PEG3-OH
1146245-73-9Mal-PEG2-oxyamine
2055041-37-5Mal-PEG1-Val-Cit-PABC-OH
2249935-92-8Mal-PEG1-Val-Cit-PABC-PNP
1870916-87-2MC-Val-Ala-PAB
1639939-40-4MC-Val-Ala-PAB-PNP
1951424-92-2Fmoc-Ala-Ala-Asn(Trt)-OH
2098907-84-5Acid-propionylamino-Val-Cit-OH
2055041-40-0N3-PEG1-Val-Cit-PABC-OH
252378-67-9Boc-Aminooxy-PEG2-bromide
1235514-18-7Boc-aminooxy-PEG3-amine
1884578-00-0Boc-Val-Ala-PAB-PNP
173323-22-3Bromoacetamide-PEG3-acetic acid
932741-11-2Bromoacetamide-PEG3-alkyne
1260139-70-5Bromoacetamido-PEG4-NHS
1698019-89-4Bromoacetamide-PEG8-acid
1803279-86-8DBCO-C4-SulfoNHS ester
2055198-07-5DBCO-Sulfo-PEG4-Maleimide
1394238-91-5Fmoc-Val-Ala-PAB
1394238-92-6Fmoc-Val-Ala-PAB-PNP

温馨提示:西安齐岳生物供应的所有产品,仅用于科研,不能用于人体axc


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