1. J Biosci. 2014 Dec;39(5):909-16.
Caspase-like proteins: Acanthamoeba castellanii metacaspase and Dictyostelium
discoideum paracaspase, what are their functions?
Saheb E(1), Trzyna W, Bush J.
Author information:
(1)Biology Department, University of Arkansas at Little Rock, 2801 South University
Ave., Little Rock, AR 72204-1099, USA.
Caspases are cysteine proteases that are important regulators of programmed cell
death in animals. Two novel relatives to members of the caspase families
metacaspases and paracaspase have been discovered. Metacaspase type-1 was
identified in Acanthamoeba castellanii, an opportunistic protozoan parasite that
causes severe diseases in humans. Paracaspase was found in the non-pathogenic
protozoan Dictyostelium discoideum. Since their discovery in Acanthamoeba and
Dictyostelium, metacaspases and paracaspases have remained poorly characterized.
At present we do not have sufficient data about the molecular function of these
caspase-like proteins or their role, if any, in programmed cell death. How these
caspase proteins function at the molecular level is an important area of study
that will provide insight into their potential for treatment therapies against
Acanthamoeba infection and other similar parasitic protozoan. Additionally,
finding the molecular functions of these caspase-like proteins will provide
information concerning their role in more complex organisms.The aim of this
article was to review recent discoveries about metacaspases and paracaspases as
regulators of apoptotic and non-apoptotic processes.
PMID: 25431419 [PubMed - in process]
1. J Biosci. 2014 Dec;39(5):909-16.
Caspase-like proteins: Acanthamoeba castellanii metacaspase and Dictyostelium
discoideum paracaspase, what are their functions?
Saheb E(1), Trzyna W, Bush J.
Author information:
(1)Biology Department, University of Arkansas at Little Rock, 2801 South University
Ave., Little Rock, AR 72204-1099, USA.
Caspases are cysteine proteases that are important regulators of programmed cell
death in animals. Two novel relatives to members of the caspase families
metacaspases and paracaspase have been discovered. Metacaspase type-1 was
identified in Acanthamoeba castellanii, an opportunistic protozoan parasite that
causes severe diseases in humans. Paracaspase was found in the non-pathogenic
protozoan Dictyostelium discoideum. Since their discovery in Acanthamoeba and
Dictyostelium, metacaspases and paracaspases have remained poorly characterized.
At present we do not have sufficient data about the molecular function of these
caspase-like proteins or their role, if any, in programmed cell death. How these
caspase proteins function at the molecular level is an important area of study
that will provide insight into their potential for treatment therapies against
Acanthamoeba infection and other similar parasitic protozoan. Additionally,
finding the molecular functions of these caspase-like proteins will provide
information concerning their role in more complex organisms.The aim of this
article was to review recent discoveries about metacaspases and paracaspases as
regulators of apoptotic and non-apoptotic processes.
PMID: 25431419 [PubMed - in process]
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