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TMC-MCC (N-trimethyl chitosan-mono-N-carboxymethyl chitosan) nanocomplexes for mucosal delivery of vaccines. 2009

Burcu Sayin, and Satyanarayana Somavarapu, and Xiong Wei Li, and Dorothea Sesardic, and Sevda Senel, and Oya H Alpar
Hacettepe University, Faculty of Pharmacy, Department of Pharmaceutical Technology, Ankara, 06100, Turkey.

In this study, for the first time, TMC/MCC complex nanoparticles as a delivery system and as an adjuvant were developed and evaluated to obtain systemic and mucosal immune responses against nasally administered tetanus toxoid (TT). Nanoparticles were developed by complexation between the oppositely charged chitosan derivatives, N-trimethyl chitosan (TMC, polycationic) and mono-N-carboxymethyl chitosan (MCC, polyampholytic) without using any crosslinker for mucosal vaccination. The cellular viability was found to be higher with TMC/MCC complex compared to that of MCC and TMC alone. Size, zeta potential and morphology of the nanoparticles were investigated as a function of preparation method. Nanoparticles with high loading efficacy (95%) and positively charged surface were obtained with an average particle size of 283+/-2.5 nm. The structural integrity of the TT in the nanoparticles was confirmed by SDS-PAGE electrophoresis analysis. Cellular uptake studies indicated that FITC-BSA loaded nanoparticles were effectively taken up into the mouse Balb/c monocyte macrophages. Mice were nasally immunized with TT loaded TMC/MCC complex nanoparticles and compared to that of TMC and MCC nanoparticles. TMC/MCC complex nanoparticles were shown to induce both the mucosal and systemic immune response indicating that this newly developed system has potential for mucosal administration of vaccines.

UI MeSH Term Description Entries
D008807 Mice, Inbred BALB C An inbred strain of mouse that is widely used in IMMUNOLOGY studies and cancer research. BALB C Mice, Inbred,BALB C Mouse, Inbred,Inbred BALB C Mice,Inbred BALB C Mouse,Mice, BALB C,Mouse, BALB C,Mouse, Inbred BALB C,BALB C Mice,BALB C Mouse
D009297 Nasal Mucosa The mucous lining of the NASAL CAVITY, including lining of the nostril (vestibule) and the OLFACTORY MUCOSA. Nasal mucosa consists of ciliated cells, GOBLET CELLS, brush cells, small granule cells, basal cells (STEM CELLS) and glands containing both mucous and serous cells. Nasal Epithelium,Schneiderian Membrane,Epithelium, Nasal,Membrane, Schneiderian,Mucosa, Nasal
D002470 Cell Survival The span of viability of a cell characterized by the capacity to perform certain functions such as metabolism, growth, reproduction, some form of responsiveness, and adaptability. Cell Viability,Cell Viabilities,Survival, Cell,Viabilities, Cell,Viability, Cell
D003412 Cricetulus A genus of the family Muridae consisting of eleven species. C. migratorius, the grey or Armenian hamster, and C. griseus, the Chinese hamster, are the two species used in biomedical research. Hamsters, Armenian,Hamsters, Chinese,Hamsters, Grey,Armenian Hamster,Armenian Hamsters,Chinese Hamster,Chinese Hamsters,Grey Hamster,Grey Hamsters,Hamster, Armenian,Hamster, Chinese,Hamster, Grey
D005260 Female Females
D006224 Cricetinae A subfamily in the family MURIDAE, comprising the hamsters. Four of the more common genera are Cricetus, CRICETULUS; MESOCRICETUS; and PHODOPUS. Cricetus,Hamsters,Hamster
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001428 Bacterial Vaccines Suspensions of attenuated or killed bacteria administered for the prevention or treatment of infectious bacterial disease. Bacterial Vaccine,Bacterin,Vaccine, Bacterial,Vaccines, Bacterial
D016466 CHO Cells CELL LINE derived from the ovary of the Chinese hamster, Cricetulus griseus (CRICETULUS). The species is a favorite for cytogenetic studies because of its small chromosome number. The cell line has provided model systems for the study of genetic alterations in cultured mammalian cells. CHO Cell,Cell, CHO,Cells, CHO
D016503 Drug Delivery Systems Systems for the delivery of drugs to target sites of pharmacological actions. Technologies employed include those concerning drug preparation, route of administration, site targeting, metabolism, and toxicity. Drug Targeting,Delivery System, Drug,Delivery Systems, Drug,Drug Delivery System,Drug Targetings,System, Drug Delivery,Systems, Drug Delivery,Targeting, Drug,Targetings, Drug

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