Human and Mosquito Lysozymes: Old Molecules for New Approaches Against Malaria

113 Pages·2015·2.63 MB·English

by  Mauro Prato (eds.)

Mauro Prato Editor
Human and
Mosquito
Lysozymes
Old Molecules for New Approaches
Against Malaria
Human and Mosquito Lysozymes

Mauro Prato
Editor
Human and Mosquito
Lysozymes
Old Molecules for New Approaches
Against Malaria
Editor
Mauro Prato
Neuroscience
University of Torino
Torino , Italy
ISBN 978-3-319-09431-1 ISBN 978-3-319-09432-8 (eBook)
DOI 10.1007/978-3-319-09432-8
Springer Cham Heidelberg New York Dordrecht London
Library of Congress Control Number: 2014951095
© Springer International Publishing Switzerland 2015
T his work is subject to copyright. All rights are reserved by the Publisher, whether the whole or part of
the material is concerned, specifi cally the rights of translation, reprinting, reuse of illustrations, recitation,
broadcasting, reproduction on microfi lms or in any other physical way, and transmission or information
storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology
now known or hereafter developed. Exempted from this legal reservation are brief excerpts in connection
with reviews or scholarly analysis or material supplied specifi cally for the purpose of being entered and
executed on a computer system, for exclusive use by the purchaser of the work. Duplication of this
publication or parts thereof is permitted only under the provisions of the Copyright Law of the Publisher’s
location, in its current version, and permission for use must always be obtained from Springer.
Permissions for use may be obtained through RightsLink at the Copyright Clearance Center. Violations
are liable to prosecution under the respective Copyright Law.
T he use of general descriptive names, registered names, trademarks, service marks, etc. in this publication
does not imply, even in the absence of a specifi c statement, that such names are exempt from the relevant
protective laws and regulations and therefore free for general use.
While the advice and information in this book are believed to be true and accurate at the date of
publication, neither the authors nor the editors nor the publisher can accept any legal responsibility for
any errors or omissions that may be made. The publisher makes no warranty, express or implied, with
respect to the material contained herein.
Printed on acid-free paper
Springer is part of Springer Science+Business Media (www.springer.com)
To Wall-E
Beloved, smart, and inspiring rabbit

Pref ace
The important thing in science
is not so much to obtain new facts
as to discover new ways
of thinking about them.
—Sir William Henry Bragg,
1915 Nobel prize in Physics
In T he Wonderful Wizard of Oz, Dorothy Gale heads for the Emerald City by follow-
ing the yellow brick road, in order to get back home. It is no secret that eventually she
will return to Kansas only thanks to the silver shoes she has worn since the beginning
of her journey. As a child, I enjoyed reading Dorothy’s adventures, and dreamed of
getting to know the Scarecrow and the Cowardly Lion (though I have never been a
big fan of the Tinman, no offense intended). As an adult, I am now aware that from
moral imperatives to philosophical refl ections to political plots, L. Frank Baum
offers a magic box of profound discoveries, buried in a playground of childhood
whimsy. Indeed, the hallmark of superb writing lies in the ability to compress mul-
tiple layers of meaning into a single narrative.
On a certain level, science is not much different, as it resembles a complex yet
exciting book that is just waiting to be unrolled by those avid readers commonly
known as “researchers.” Biology makes no exception, and such a perspective fi ts
well with the experimental evidence discussed in the present work. Addressing
either students or specialists, the authors will introduce them to an innovative
research fi eld, which is ironically based on the consolidated knowledge of an almost
100-year-old molecule.
Now, let’s take a step back. Despite the considerable early successes achieved by
the global eradication program launched a few years ago (2007) by charity founda-
tions such as the Bill & Melinda Gates Foundation and Rolling Back Malaria, also
endorsed by World Health Organization, malaria remains an alarming emergency in
vii
viii Preface
developing countries. Therefore, any parasite or host molecules serving as new
affordable markers for early diagnosis of disease complications or as new targets for
vector control need to be urgently identifi ed. Intriguingly, old well-known enzymes
such as lysozymes have been proposed in recent years as very relevant molecules to
be targeted either in mosquito or in human hosts, possibly paving the way for the
future development of innovative and cost-effective tools to fi ght malaria.
L ysozymes are antibacterial proteins widely present in the animal kingdom and
defi ned by their ability to hydrolyze β-1,4-glycosidic linkage between
N -acetylmuramic acid and N -acetylglucosamine of peptidoglycan in the cell wall of
bacteria. Recently, a few independent research groups have reported some interest-
ing evidence on the involvement of both human and mosquito lysozymes in malaria.
Hemozoin, a lipid-bound ferriprotoporphyrin IX crystal produced by Plasmodium
parasites after hemoglobin catabolism, was shown to promote in vitro the early
release of human lysozyme from adherent monocytes. Consistently, the plasma lev-
els of human lysozyme and the number of hemozoin-containing leukocytes in the
peripheral blood of P . falciparum -infected patients correlated well with parasitemia
degree and disease severity. On the other hand, the mosquito homologue of human
lysozyme was shown to facilitate the development of Plasmodium berghei and falci-
parum within A nopheles gambiae , stephensi, and d irus vectors after binding to
oocysts. All these data will be thoroughly discussed in this book in an attempt to
show the readers the potential role of these molecules in malaria diagnosis and vector
control approaches.
M y editing of H uman and Mosquito Lysozymes: Old Molecules for New
Approaches Against Malaria has been rather time consuming, yet very rewarding in
providing me with a privileged look at the status of cutting edge research in this
fi eld. I would like to thank all of the authors (Nicoletta Basilico, Sarah D’Alessandro,
Luca Facchinelli, Giuliana Giribaldi, Clelia Oliva, Manuela Polimeni, Roberta
Spaccapelo, and Vivian Tullio) for their hard work in preparing excellent discus-
sions on their respective topics. Additionally, I am very grateful to Springer’s staff
members (Rita Beck, Susan Safren, and Arthur Smilios) for inviting me on board
and helping me during such an exciting journey. And, of course, thanks to you, who
are reading this book. Will lysozymes reveal themselves as the “silver standard” to
leave the Land of Malaria? Let’s knock our heels together three times and command
the shoes to…
Torino, Italy Mauro Prato
Contents
1 Etiopathogenesis and Pathophysiology of Malaria ................................ 1
Giuliana Giribaldi, Sarah D’Alessandro, Mauro Prato,
and Nicoletta Basilico
2 Malaria Diagnosis, Therapy, Vaccines, and Vector Control ................. 19
Nicoletta Basilico, Roberta Spaccapelo, and Sarah D’Alessandro
3 Lysozymes in the Animal Kingdom ......................................................... 45
Vivian Tullio, Roberta Spaccapelo, and Manuela Polimeni
4 Role of Lysozymes of Anopheles Mosquitoes
in Plasmodium Development .................................................................... 59
Clelia Oliva, Luca Facchinelli, Nicoletta Basilico,
and Roberta Spaccapelo
5 Effects of Malaria Products on Human Monocyte
and Neutrophil Degranulation and Lysozyme Release .......................... 67
Manuela Polimeni, Giuliana Giribaldi, and Mauro Prato
6 Human Lysozyme in Malaria Patients: Possible Role
as Biomarker for Disease Severity ........................................................... 83
Mauro Prato, Manuela Polimeni, and Vivian Tullio
7 Beyond Lysozyme: Antimicrobial Peptides Against Malaria ................ 91
Sarah D’Alessandro, Vivian Tullio, and Giuliana Giribaldi
Index ................................................................................................................. 103
ix