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Alterations in the Secretory Behavior of Salivary Glands of Rhipicephalus Sanguineus Females Latreille Acari Ixodidae Feeding in Resistant Rabbit | OMICS International | Abstract
ISSN: 2167-7719

Air & Water Borne Diseases
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Research Article

Alterations in the Secretory Behavior of Salivary Glands of Rhipicephalus Sanguineus Females Latreille Acari Ixodidae Feeding in Resistant Rabbit

Karim Christina Scopinho Furquim, Maria Izabel Camargo Mathias*, Letícia Maria Gráballos Ferraz Hebling, Gislaine Cristina Roma and Gervásio Henrique Bechara

UNESP, Via de Acesso Prof. Paulo Castellane, s/n, CEP: 14884-900, Jaboticabal, S.P., Brazil

*Corresponding Author:
Maria Izabel Camargo Mathias
UNESP, Via de Acesso Prof. Paulo Castellane
s/n, CEP: 14884-900, Jaboticabal, S.P. Brazil
Fax: +55 19 35264100
E-mail: [email protected]

Received Date: July 22, 2013; Accepted Date: October 15, 2013; Published Date: October 21, 2013

Citation: SFurquim KCS, Camargo-Mathias MI, Ferraz Hebling LMG, Roma GC, Bechara GH (2013) Alterations in the Secretory Behavior of Salivary Glands of Rhipicephalus sanguineus Females (Latreille, 1806) (Acari: Ixodidae) Feeding in Resistant Rabbit. Air Water Borne Diseases 2:114. doi:10.4172/2167-7719.1000114

Copyright: © 2013 Scopinho Furquim KC, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


This study presents the histochemical analysis of the glycoprotein, lipoprotein, enzyme (acid phosphatase) and mineral (calcium) contents of the secretion produced by salivary glands of Rhipicephalus sanguineus females fed for 2, 4 and 6 days on hosts (New Zealand White rabbits), which had been previously immunized with glandular extract obtained from 2-day fed females (SGE2). The results revealed that such glands present alterations in the secretory cycle, which occurred: a) by the inactivity of some c1 cells (in the glands of the 2-day fed females); c1 and c5 (in the glands of the 4-day fed females) and c1 and d (in the glands of the 6-day fed females), and b) by the modification in the constitution of secretion in relation to the glyco/lipoprotein, enzyme and mineral contents in the glands of 2 to 6-day fed females. Data clearly show that the most pronounced histochemical modifications were detected in 2-day fed females, since their hosts were inoculated with SGE2 extract, and therefore, developed resistance to the components of the glandular secretion present in this extract. In addition, it was verified that over the studied period (2-6 days), some cells underwent greater alterations due to the resistance acquired by the hosts, such as the f cells, demonstrating the great immunogenic capacity of the secretion synthesized by such cells, as well as the importance of the secretion in the modulation of the immune-inflammatory and hemostatic system of the host. Considering all the data obtained, this study clearly demonstrates that the modifications in the intensity of staining in the elements analyzed occurred because of different immunogenic capacities of the components present in SGE2 extract, which indicated that the greater the immunogenic capacity of the molecules present in SGE2, the greater the alterations in the cells responsible for the synthesis of such component. This study also demonstrated that the histochemical alterations here detected modified the salivary secretion, making it increasingly efficient over the process of modulation of the host, suggesting a possible compensation, or even an alternative route to overcome the resistance developed by the hosts, enabling the ectoparasites’ fixation, permanence and feeding.