67-62-9|Methoxyamine|Methoxyamine|-范德生物科技公司

Methoxyamine

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names：
Methoxyamine
CAS号：
67-62-9
MDL Number：
MF(分子式)： CH5NO MW(分子量)： 47.057
EINECS: Reaxys Number:
Pubchem ID: Brand:BIOFOUNT

货品编码	规格	纯度	价格 (¥)	现价(¥)	特价(¥)	库存描述	数量	总计 (¥)
DBK501630-500mg	500mg		¥ 0.00	¥ 0.00		Get quote	- +	¥ 0.00
DBK501630-100mg	100mg		¥ 0.00	¥ 0.00		Get quote	- +	¥ 0.00

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中文别名	甲氧胺
英文别名	Methoxyamine
CAS号	67-62-9
SMILES	CON
Inchi
InchiKey
分子式 Formula	CH5NO
分子量 Molecular Weight	47.057
闪点 FP	NA
熔点 Melting point	NA
沸点 Boiling point	NA
Polarizability极化度	1
密度 Density	NA
蒸汽压 Vapor Pressure
溶解度Solubility
性状	Solid
储藏条件 Storage conditions

Methoxyamine使用注意事项：
1.实验前需戴好防护眼镜，穿戴防护服和口罩，佩戴手套，避免与皮肤接触。
2.实验过程中如遇到有毒或者刺激性物质及有害物质产生，必要时实验操作需要手套箱内完成以免对实验人员造成伤害。
3.取样品的移液枪头需及时更换，必要时为避免交叉污染尽可能选择滤芯吸头。
4.称量药品时选用称量纸，并无风处取药和称量以免扬撒，试剂的容器使用前务必确保干净，并消毒。
5.取药品时尽量采用多个药勺分别使用，使用后清洗干净。
6.实验后产生的废弃物需分类存储，并交于专业生物废气物处理公司处理，以免造成环境污染。
大规格定制：定制产品请将信息发送至sales@bio-fount.com。
Experimental considerations:
1. Wear protective glasses, protective clothing and masks, gloves, and avoid contact with the skin during the experiment.
2. The waste generated after the experiment needs to be stored separately, and handed over to a professional biological waste gas treatment company to avoid environmental pollution.

产品说明	Organic oxygen compounds
Introduction	Propoxycaine is a local anesthetic which acts to decrease nerve impulses and therefore pain sensation during dental procedures4,5,6.
Application1	Methoyxamine is investigated for use as an adjunct to alkylating agents, reverse resistance to chemotherapy, and enhancing radiation therapy.Methoxyamine’s proposed mechanism of action is through blocking of the abasic sites (apurinic/apyrimidinic - AP sites) created by the cleavage of base excision repair (BER) glycoslyates. DNA alkylating agents cause cell death through excessive DNA damage by adduct formation. The human mechanism for DNA repair is very efficient and cancer therapeutics which use this mechanism are often ineffective due to resistance by efficient repair mechanisms such as base excision repair (BER). Alkylating agents such as tezmozolomide form methylated DNA adducts such as O6-methylguanine (O6mG), 7-methylguanine (N7mG) and 3-methyladenine (N3mA). O6mG is a cytotoxic and genotoxic adduct which is repaired by O6-methylguanine DNA-methyltransferase (MGMT). O6mG’s cytotoxicity is due to the mismatch repair mechanism (MMR), but cell induced defects in this repair pathway can lead to drug resistance. The N7mG (dominant lesions caused by methylating agents) and N3mA adducts are both repaired by the BER mechanism. Methoxyamine disrupts the BER pathway, increasing the amount of cytotoxic adducts, which results in cell death. Methoxyamine inhibits BER by stabilizing the AP sites created by cleavage of BER glysosylates, forming MX-AP lesions.Methoxyamine may be an effective adjunct to iododeoxyuridine(IUdR) induced radiosensitization and radiation treatment. IUdR is a halogenated pyrimidine which is incorporated into cellular DNA instead of thymidine, which enhances radiotumor sensitivity. Methoxyamine is proposed to have a dual action in this treatment as it alters cell cycle kinetics as well as prevents repair of DNA by BER, allowing increased sensitivity of tumor cells to DNA damage by radiation therapy. The efficiency of cell cycle repair has been shown to be cell cycle dependent, with the G1 phase being second most sensitive to ionizing radiation (the mitotic, M, phase is the most sensitive). Methoxyamine increases the amount of protein 53 (P53) and protein Rb (pRB), senescence factors which cause the cell to remain in the G1 phase. Methoxyamine also creates a stringent checkpoint at the G1/S boundary as well as an insufficient checkpoint at the G2 stage, preventing cells from going into the S phase. The increased number of G1 cells makes methoxyamine treated tumors more susceptible to ionizing radiation.The temozolomide and methoxyamine created lesion MX-AP not only disrupts the BER pathway but inhibits topoisomerase II alpha (topo II), an enzyme necessary for DNA replication, recombination and chromosome segregation. MX-AP sites block DNA replication and interfere with choromosome splitting. It is currently uncertain how what the interaction between topoisomerase II and methoxyamine causes cytotoxicity, but several mechanisms have been proposed, such as MX-AP sites binding to topo II, thus reducing their functionality by forming a toxic complex.TargetActionsOrganismUDNANot AvailableHumans
Application2	Substrate
Application3