PMID- 32887256 OWN - NLM STAT- PubMed-not-MEDLINE LR - 20201023 IS - 2309-608X (Electronic) IS - 2309-608X (Linking) VI - 6 IP - 3 DP - 2020 Sep 2 TI - Intranasal Vaccine Using P10 Peptide Complexed within Chitosan Polymeric Nanoparticles as Experimental Therapy for Paracoccidioidomycosis in Murine Model. LID - 10.3390/jof6030160 [doi] LID - 160 AB - Paracoccidioidomycosis (PCM) is a granulomatous fungal disease caused by the dimorphic fungal species of Paracoccidioides, which mainly affects the lungs. Modern strategies for the treatment and/or prevention of PCM are based on a Th1-type immune response, which is important for controlling the disease. One of the most studied candidates for a vaccine is the P10 peptide, derived from the 43 kDa glycoprotein of Paracoccidioides brasiliensis. In order to improve its immune modulatory effect, the P10 peptide was associated with a chitosan-conjugated nanoparticle. The nanoparticles presented 220 nm medium size, poly dispersion index (PDI) below 0.5, zeta potential of +20 mV and encapsulation efficiency around 90%. The nanoparticles' non-toxicity was verified by hemolytic test and cell viability using murine macrophages. The nanoparticles were stable and presented physicochemical characteristics desirable for biological applications, reducing the fungal load and the usual standard concentration of the peptide from 4 to 20 times. FAU - Rodrigues Dos Santos Junior, Samuel AU - Rodrigues Dos Santos Junior S AUID- ORCID: 0000-0001-5564-3538 AD - Departamento de Microbiologia, Instituto de Ciencias Biomedicas, Universidade de Sao Paulo, Sao Paulo, SP 05508-000, Brazil. FAU - Kelley Lopes da Silva, Francenya AU - Kelley Lopes da Silva F AD - Laboratorio de Nano & Biotecnologia, Departamento de Biotecnologia, Instituto de Patologia Tropical e Saude Publica, Universidade Federal de Goias, Goiania, GO 74605-050, Brazil. FAU - Santos Dias, Lucas AU - Santos Dias L AD - Departamento de Microbiologia, Instituto de Ciencias Biomedicas, Universidade de Sao Paulo, Sao Paulo, SP 05508-000, Brazil. FAU - Oliveira Souza, Ana Camila AU - Oliveira Souza AC AD - Departamento de Microbiologia, Instituto de Ciencias Biomedicas, Universidade de Sao Paulo, Sao Paulo, SP 05508-000, Brazil. FAU - Valdemir de Araujo, Marcelo AU - Valdemir de Araujo M AUID- ORCID: 0000-0001-9695-3225 AD - Departamento de Microbiologia, Instituto de Ciencias Biomedicas, Universidade de Sao Paulo, Sao Paulo, SP 05508-000, Brazil. FAU - Buffoni Roque da Silva, Leandro AU - Buffoni Roque da Silva L AD - Departamento de Microbiologia, Instituto de Ciencias Biomedicas, Universidade de Sao Paulo, Sao Paulo, SP 05508-000, Brazil. FAU - Travassos, Luiz R AU - Travassos LR AD - Departamento de Microbiologia, Imunologia e Parasitologia, Universidade Federal de Sao Paulo, Sao Paulo, SP 04023-062, Brazil. FAU - Correa Amaral, Andre AU - Correa Amaral A AD - Laboratorio de Nano & Biotecnologia, Departamento de Biotecnologia, Instituto de Patologia Tropical e Saude Publica, Universidade Federal de Goias, Goiania, GO 74605-050, Brazil. FAU - P Taborda, Carlos AU - P Taborda C AUID- ORCID: 0000-0001-9928-9809 AD - Departamento de Microbiologia, Instituto de Ciencias Biomedicas, Universidade de Sao Paulo, Sao Paulo, SP 05508-000, Brazil. AD - Departamento de Dermatologia, Instituto de Medicina Tropical de Sao Paulo, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP 05403-000, Brazil. LA - eng GR - 2016/08730-6/Fundacao de Amparo a Pesquisa do Estado de Sao Paulo/ GR - 420480/2018-8 and 134424/2016-6/Conselho Nacional de Desenvolvimento Cientifico e Tecnologico/ PT - Journal Article DEP - 20200902 PL - Switzerland TA - J Fungi (Basel) JT - Journal of fungi (Basel, Switzerland) JID - 101671827 PMC - PMC7560165 OTO - NOTNLM OT - P10 peptide OT - antifungal therapy OT - nanovaccine OT - paracoccidioidomycosis OT - polymeric nanoparticles COIS- There are no conflicts of interest to declare. EDAT- 2020/09/06 06:00 MHDA- 2020/09/06 06:01 PMCR- 2020/09/02 CRDT- 2020/09/05 01:03 PHST- 2020/08/13 00:00 [received] PHST- 2020/08/22 00:00 [revised] PHST- 2020/08/25 00:00 [accepted] PHST- 2020/09/05 01:03 [entrez] PHST- 2020/09/06 06:00 [pubmed] PHST- 2020/09/06 06:01 [medline] PHST- 2020/09/02 00:00 [pmc-release] AID - jof6030160 [pii] AID - jof-06-00160 [pii] AID - 10.3390/jof6030160 [doi] PST - epublish SO - J Fungi (Basel). 2020 Sep 2;6(3):160. doi: 10.3390/jof6030160.