Pactamycin, although putatively touted as a potent antitumor agent, has never been used as an anticancer drug due to its high cytotoxicity. In this study, we characterized the effects of two novel biosynthetically engineered analogs of pactamycin, de-6MSA-7-demethyl-7-deoxypactamycin (TM-025) and 7-demethyl-7-deoxypactamycin (TM-026), in head and neck squamous cell carcinoma (HNSCC) cell lines ...

Dekoko (Pisum sativum var. abyssinicum) is one of the most important food legumes grown in south Tigray and north Wollo, northern Ethiopia. It is one among the most important food legumes in terms of protein content. It grows mixed and alone with many cereal crops growing in north Ethiopia. This study was conducted in 2015/2016with the objective of selecting adaptable and relatively high yieldi...

We present a necessary and almost sufftcient condition for subgame perfect implementation of social choice correspondences. In societies with at least three individuals, any social choice correspondence which satisfies no veto power and our necessary Condition a is subgame perfect implementable. Thus Condition GL is analogous to monotonicity which, by Maskin’s celebrated characterization, is ne...

It has been shown previously that, for two-sided discrete markets of the kind exemplified by the “marriage problem,” no strategy-proof procedure for aggregating preferences into stable outcomes exists. Here it is shown that (Nash) equilibrium misrepresentation of preferences nevertheless results in a stable outcome in terms of the true preferences when the aggregation procedure yields the optim...

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P. C. Fishburn [J. Econom. Theory 31 (1983), OOCrOOO] has shown that one can extend any well ordering of a set to a linear ordering of the set of all non-empty subsets of that set, while satisfying two axioms denoted (GP*) and (M*). By applying the compactness theorem of logic, this note shows that the well ordering assumption can be waived. Definability and well ordering properties of the exte...

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