نتایج جستجو برای: toxic peptides
تعداد نتایج: 154826 فیلتر نتایج به سال:
The association of the amyloid-b (Ab) peptide with cellular membranes is hypothesized to be the underlying phenomenon of neurotoxicity in Alzheimer’s disease. Misfolding of proteins and peptides, as is the case with Ab, follows a progression from a monomeric state, through intermediates, ending at long, unbranched amyloid fibers. This tutorial review offers a perspective on the association of t...
Reversed-phase HPLC coupled to the atmospheric pressure ionization-electrospray ionization (API-ESI) MS was used for microcystin-LR detection and quantitation in samples of dried Microcystis aeruginosa cells. An alkaline linear gradient (20 mmol/l ammonium hydroxide-acetonitrile, pH 9.7) was used for elution of the toxic peptides. Limit of detection was 1 microg/ml (20 ng per injection) in the ...
antimicrobial peptides (amps) are extensive group of molecules that produced by variety tissues of invertebrate, plants, and animal species which play an important role in their immunity response. amps have different classifications such as; biosynthetic machines, biological sources, biological functions, molecular properties, covalent bonding patterns, three dimensional structures, and molecul...
delayed neuronal death after seizure attack may be mediated by the induction of apoptosis-pathway. caspase-3, a mammalian cysteine protease, promotes apoptosis after some neurological disorders. neuron regeneration peptides (nrps) are small synthetic peptides that stimulate neural proliferation, migration, and differentiation with no apparent toxicity and high target specificity in cns. in the ...
casein possesses important physiological and biological properties with regard to promotion of health, as well as prevention of diseases. anticarcinogenic activities, reduction in the risk factors of cardiovascular disease and anticariogenic features have been associated with casein. in addition, casein is known as a source of bioactive peptides. casein-derived peptides have been found to have ...
b ackground: l eishmania is an intracellular parasite infecting humans and many wild and domestic animals. recent studies have suggested an important role for cytotoxic t cells against leishmania . peptide-based vaccines targeting short sequences derived from known immunogenic proteins have been shown to elicit cellular immune responses against disparate pathogens. m ethods: we predicted four h...
Background and Objectives Cholera is a life-threatening diarrhea caused mainly by Gram-negative marine habitant Vibrio cholerae serogroup O1. Cholera vaccination is limited mainly to developed countries, due to the cumbersome and expensive task of vaccine production. In the present work, the aim was to study the immunogenicity of the synthetic mimotopes through two different routes of injection...
838 Pathogenic frameshift peptides form unique multi-functional droplets in ichthyosis with confetti
Ichthyosis with confetti (IWC) is a rare autosomal dominant disorder caused by frameshift mutations in KRT10 or KRT1 gene. IWC characterized widespread ichthyosiform erythroderma and, more notably, concomitant revertant skin patches, also known as natural gene therapy (Choate et al., 2010; Suzuki 2016; Nomura 2018). Although homologous recombination underlies mosaicism IWC, the molecular mechan...
The skin secretion of the North American pickerel frog (Rana palustris) has long been known to have pronounced noxious/toxic properties and to be highly effective in defence against predators and against other sympatric amphibians. As it consists largely of a complex mixture of peptides, it has been subjected to systematic peptidomic study but there has been little focus on molecular cloning of...
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