title: Neuropeptide Y Y1 receptors mediate  [corrected] targeted delivery of anticancer drug with encapsulated nanoparticles to breast cancer cells with high selectivity and its potential for breast cancer therapy.
abstract: By enabling nanoparticle-based drug delivery system to actively target cancer cells with high selectivity, active targeted molecules have attracted great attention in the application of nanoparticles for anticancer drug delivery. However, the clinical application of most active targeted molecules in breast cancer therapy is limited, due to the low expression of their receptors in breast tumors or coexpression in the normal and tumor breast tissues. Here, a neuropeptide Y Y1 receptors ligand PNBL-NPY, as a novel targeted molecule, is conjugated with anticancer drug doxorubicin encapsulating albumin nanoparticles to investigate the effect of Y1 receptors on the delivery of drug-loaded nanoparticles to breast cancer cells and its potential for breast cancer therapy. The PNBL-NPY can actively recognize and bind to the Y1 receptors that are significantly overexpressed on the surface of the breast cancer cells, and the drug-loaded nanoparticles are delivered directly into the cancer cells through internalization. This system is highly selective and able to distinguish the breast cancer cells from the normal cells, due to normal breast cells that express Y2 receptors only. It is anticipated that this study may provide a guidance in the development of Y1 receptor-based nanoparticulate drug delivery system for a safer and more efficient breast cancer therapy.
authors.affiliation: Key Laboratory of Magnetic Materials and Devices & Division of Functional Materials and Nano Devices, Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences , Ningbo 315201, China.
authors.forename: Juan
authors.initials: J
authors.lastname: Li
authors.forename: Zheyu
authors.initials: Z
authors.lastname: Shen
authors.forename: Xuehua
authors.initials: X
authors.lastname: Ma
authors.forename: Wenzhi
authors.initials: W
authors.lastname: Ren
authors.forename: Lingchao
authors.initials: L
authors.lastname: Xiang
authors.forename: An
authors.initials: A
authors.lastname: Gong
authors.forename: Tian
authors.initials: T
authors.lastname: Xia
authors.forename: Junming
authors.initials: J
authors.lastname: Guo
authors.forename: Aiguo
authors.initials: A
authors.lastname: Wu
mesh_terms: D000818:Animals; D000970:Antineoplastic Agents / Q000008:administration & dosage / Q000737:chemistry* / Q000494:pharmacology; D001943:Breast Neoplasms / Q000188:drug therapy / Q000378:metabolism / Q000473:pathology; D002417:Cattle; D045744:Cell Line, Tumor; D002470:Cell Survival / Q000187:drug effects; D004317:Doxorubicin / Q000008:administration & dosage / Q000737:chemistry / Q000494:pharmacology; D004337:Drug Carriers / Q000737:chemistry* / Q000378:metabolism; D005260:Female; D006801:Humans; D061986:MCF-7 Cells; D018613:Microscopy, Confocal; D053758:Nanoparticles / Q000737:chemistry* / Q000378:metabolism; D017476:Receptors, Neuropeptide Y / Q000037:antagonists & inhibitors / Q000378:metabolism*; D012710:Serum Albumin, Bovine / Q000737:chemistry
chemical_list: D000970:Antineoplastic Agents; D004337:Drug Carriers; D017476:Receptors, Neuropeptide Y; C097212:neuropeptide Y-Y1 receptor; D012710:Serum Albumin, Bovine; D004317:Doxorubicin
keywords: Y1 receptors; [Pro30, Nle31, Bpa32, Leu34]NPY(28−36); albumin nanoparticles; breast cancer; targeted delivery