منابع مشابه
Duchenne Muscular Dystrophy Models Show Their Age
The lack of appropriate animal models has hampered efforts to develop therapies for Duchenne muscular dystrophy (DMD). A new mouse model lacking both dystrophin and telomerase (Sacco et al., 2010) closely mimics the pathological progression of human DMD and shows that muscle stem cell activity is a key determinant of disease severity.
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Pek et al. describe how a stable, intron-derived RNA regulates the expression of its host gene during Drosophila embryogenesis. Once they are spliced out of nascent mRNAs, noncoding intron sequences are usually degraded rapidly. At least in Xenopus eggs and human cell lines, however, some intronic RNAs persist for long periods, although the function of these stable intronic sequence (sis) RNAs ...
متن کاملDo dolphins know their own minds?
Knowledge of one’s own states of mind is one of the varieties of self-knowledge. Do any nonhuman animals have the capacity for this variety of self-knowledge? The question is open to empirical inquiry, which is most often conducted with primate subjects. Research with a bottlenose dolphin gives some evidence for the capacity in a nonprimate taxon. I describe the research and evaluate the metaco...
متن کامل[Why do we age so differently?].
One of the most intriguing aspects of ageing is how different the ageing process is from person to person: some maintain their physical and cognitive abilities throughout a long life while others lose these abilities rather early in adult life. The basis for this variation is largely an enigma. In this review some of the most prominent ageing theories are described and compared with results fro...
متن کاملFree-ranging dogs show age related plasticity in their ability to follow human pointing
Differences in pet dogs' and captive wolves' ability to follow human communicative intents have led to the proposition of several hypotheses regarding the possession and development of social cognitive skills in dogs. It is possible that the social cognitive abilities of pet dogs are induced by indirect conditioning through living with humans, and studying free-ranging dogs can provide deeper i...
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ژورنال
عنوان ژورنال: Journal of Experimental Biology
سال: 2020
ISSN: 1477-9145,0022-0949
DOI: 10.1242/jeb.214585