Abstract
Mistletoe lectin I (ML-I) is a heterodimeric ribosome-inactivating protein composed of a sialic acid-specific Bchain that binds to cell surfaces, and an A-chain with the capacity to depurinate a critical adenosine in the 28S ribosomal RNA. ML-1, in purified or recombinant form, exerts an immunomodulatory effect on neutrophils and macrophages/ monocytes in the low-dose range, while at high doses, it induces apoptosis in both normal and tumoral cells. While mistletoe extracts are widely used as cancer adjuvant therapy, recombinant ML-I (rAviscumin) is a candidate antineoplastic agent that has successfully passed Phase I clinical trials. In immunodeficient mouse models, the efficacy of recombinant ML-I was demonstrated for ovarian carcinoma, melanoma and various hematological malignant cell lines. The clinical potential of recombinant ML-I as a non-mutagenic and non-genotoxic molecule is high and could be used to potentiate classical anti-neoplastic drugs. Its capacity to induce apoptosis in cancer cell lines lacking p53 allows considering its use against genetically unstable and highly metastatic cancers. The mechanisms of apoptosis induced by ML-I probably involves intracellular pathways akin to those described as the “ribotoxic stress response” that directly target the mitochondrion.
Call for Papers in Thematic Issues
Advances of Heterocyclic Chemistry with Pesticide Activity
Global food safety and security will continue to be a global concern for the next 50 years and beyond. Plant diseases have had a significant impact on food safety and security throughout the entire food chain, from primary production to consumption. While conventional chemical pesticides have been traditionally used for ...read more
Calculation design of covalent/metal organic framework based catalysts
This research area combines theoretical computation and screening with machine learning for the design of covalent/metal organic framework-based catalysts, bridging the disciplines of organic chemistry, physical chemistry, computational chemistry, materials science, and machine learning. It covers several critical aspects: designing and synthesizing organic catalysts for improved performance, applying computational methods ...read more
Carbohydrates conversion in biofuels and bioproducts
Biomass pretreatment, hydrolysis, and saccharification of carbohydrates, and sugars bioconversion in biofuels and bioproducts within a biorefinery framework. Carbohydrates derived from woody biomass, agricultural wastes, algae, sewage sludge, or any other lignocellulosic feedstock are included in this issue. Simulation, techno-economic analysis, and life cycle analysis of a biorefinery process are ...read more
Catalytic C-H bond activation as a tool for functionalization of heterocycles
The major topic is the functionalization of heterocycles through catalyzed C-H bond activation. The strategies based on C-H activation not only provide straightforward formation of C-C or C-X bonds but, more importantly, allow for the avoidance of pre-functionalization of one or two of the cross-coupling partners. The beneficial impact of ...read more
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