Results 21 to 30 of about 279,199 (293)
Programmed cell death (PCD) is an important mechanism of innate immunity against bacterial pathogens. The innate immune PCD pathway involves the molecules caspase-7 and caspase-8, among others.
Raiany A. Santos+5 more
doaj +1 more source
Caspase‐8: not so silently deadly
Apoptosis is a caspase‐dependent programmed form of cell death, which is commonly believed to be an immunologically silent process, required for mammalian development and maintenance of cellular homoeostasis. In contrast, lytic forms of cell death, such as RIPK3‐ and MLKL‐driven necroptosis, and caspase‐1/11‐dependent pyroptosis, are postulated to be ...
Rebecca Feltham+5 more
openaire +4 more sources
Tyrosine Phosphorylation of Caspase-8 Abrogates Its Apoptotic Activity and Promotes Activation of c-Src. [PDF]
Src family tyrosine kinases (SFKs) phosphorylate caspase-8A at tyrosine (Y) 397 resulting in suppression of apoptosis. In addition, the phosphorylation of caspase-8A at other sites including Y465 has been implicated in the regulation of caspase-8 ...
Jennifer Ly Tsang+8 more
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Caspase-8 is a unique member of caspases with a dual role in cell death and survival. Caspase-8 expression is often lost in some tumors, but increased in others, indicating a potential pro-survival function in cancer.
Jia Xia+10 more
doaj +1 more source
FLICE Is Predominantly Expressed as Two Functionally Active Isoforms, Caspase-8/a and Caspase-8/b [PDF]
Induction of apoptosis by the cell surface receptor CD95 (APO-1/Fas) has been shown to involve activation of a family of cysteine proteases (caspases). Recently, a new member of this family has been identified, designated FLICE (caspase-8/MACH/Mch5). FLICE is part of the CD95 death-inducing signaling complex and is therefore the most upstream caspase ...
Jan Paul Medema+3 more
openaire +3 more sources
Activation of caspases-8 and -10 by FLIPL [PDF]
The first step in caspase activation is transition of the latent zymogen to an active form. For the initiator caspases, this occurs through dimerization of monomeric zymogens at an activating complex. Recent studies have suggested that FLIPL [FLICE-like inhibitory protein, long form; FLICE is FADD (Fas-associated death domain protein)-like interleukin ...
Kelly M. Boatright+6 more
openaire +3 more sources
Downregulation of Caspase 8 in a group of Iranian breast cancer patients – A pilot study
Purpose: It is now well known that evading apoptosis, as a cancer hallmark, can lead to tumour initiation, progression and metastasis. As a result of genome wide association studies, an initiator protease in this pathway, caspase 8 (CASP8), has been ...
Masoumeh Aghababazadeh+5 more
doaj +1 more source
FLIPL induces caspase 8 activity in the absence of interdomain caspase 8 cleavage and alters substrate specificity [PDF]
Caspase 8 is an initiator caspase that is activated by death receptors to initiate the extrinsic pathway of apoptosis. Caspase 8 activation involves dimerization and subsequent interdomain autoprocessing of caspase 8 zymogens, and recently published work has established that elimination of the autoprocessing site of caspase 8 abrogates its pro ...
Stefan J. Riedl+7 more
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Caspase‐8 Variant G Regulates Rheumatoid Arthritis Fibroblast‐Like Synoviocyte Aggressive Behavior
Objective Fibroblast‐like synoviocytes (FLS) play a pivotal role in rheumatoid arthritis (RA) by contributing to synovial inflammation and progressive joint damage. An imprinted epigenetic state is associated with the FLS aggressive phenotype.
Cecilia Ansalone+15 more
doaj +1 more source
Insights into the Regulatory Mechanism for Caspase-8 Activation [PDF]
In the death receptor induced apoptotic pathway, caspase-8 autocatalytically cleaves itself at specific cleavage sites. To better understand the regulatory mechanisms behind caspase-8 activation, we compared active wild-type caspase-8 (wtC8) and an uncleavable form of procaspase-8 (uncleavable C8).
Markus G. Grütter+3 more
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