نتایج جستجو برای: conservation cloning

تعداد نتایج: 166362  

Journal: :npj Quantum Information 2021

Abstract No-cloning theorem forbids perfect cloning of an unknown quantum state. A universal machine (UQCM), capable producing two copies any input qubit with the optimal fidelity, is fundamental interest and has applications in information processing. This enabled by delicately tailored nonclassical correlations between copying qubits, which distinguish UQCM from a classical counterpart, but w...

ژورنال: حقوق پزشکی 2009

As a scientific achievement of the modern world, cloning has caused both fears and hopes for the future of the humankind. It is categorized into human and non-human cloning, each of which are subdivided into therapeutic and reproductive subtypes. Of these subtypes, only the reproductive category has produced much controversy, but there is not much debate on animal cloning. Human cloning for the...

اترک, حسین,

Human cloning is one of the most controversial issues in ethics. This paper, with analytic-descriptive method, deals with Kant;aposs principle of ends and permission or prohibition of human cloning from its point of view. According to Kant;aposs principle of ends, any action in which humanity is taken as a means, not as an end, is prohibited. There are different interpretations of taking humani...

A Inoue F Lu K Iwabuchi L Shen Sh Matoba Y Liu Y Zhang,

Background Despite successful cloning of many mammalian species, the cloning efficiency is extremely low compared to that of IVF raising the possibility of the existence of epigenetic barrier preventing successful cloning. MaterialsAndMethods Using comparative transcriptome analysis comparing transcriptomes of IVF and SCNT embryos and that of donor cells, we identified epigenetic barrier and fi...

Journal: :Revue scientifique et technique 2005
D N Wells

An efficient animal cloning technology would provide many new opportunities for livestock agriculture, human medicine, and animal conservation. Nuclear cloning involves the production of animals that are genetically identical to the donor cells used in a technique known as nuclear transfer (NT). However, at present it is an inefficient process: in cattle, only around 6% of the embryos transferr...

ژورنال: حقوق پزشکی 2010

Cloning, as a new technology, has attracted the attention of statesmen, physicians, lawyers and other scientific communities. This phenomenon both opens a new horizon on human society regarding its therapeutic features and brings some concerns to it. This technology is divided into two parts: Human or generative cloning and therapeutic or investigative cloning. The first meaning which comes to ...

حاجی علی, فریبا, معینی‌فر, محدثه,

Divine religions have adopted various stances regarding cloning, and the Jewish faith has likewise examined the issue and investigated both its classifications. The present paper is a case study of the viewpoints of Jewish scholars on both reproductive and therapeutic cloning. The results showed that regarding therapeutic cloning, Jewish scholars believe in three different viewpoints: impermis...

افضلی, محمد علی, غلامی, شیرزاد, محمدی لائینی, محمدباقر,

Background and purpose: In recent years, the importance of human cloning is discussed by researchers. But its scientific and legal advantages and disadvantages have received less attention. Therefore, the aim of this study was to evaluate the advantages and disadvantages of human cloning according to sporadic legal and scientific viewpoints and Islamic jurisprudence. Materials and metho...

Journal: :Nucleic Acids Research 2005
Yael Altuvia Pablo Landgraf Gila Lithwick Naama Elefant Sébastien Pfeffer Alexei Aravin Michael J. Brownstein Thomas Tuschl Hanah Margalit

MicroRNAs (miRNAs) are approximately 22 nt-long non-coding RNA molecules, believed to play important roles in gene regulation. We present a comprehensive analysis of the conservation and clustering patterns of known miRNAs in human. We show that human miRNA gene clustering is significantly higher than expected at random. A total of 37% of the known human miRNA genes analyzed in this study appea...

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