Ena
Ena or ENA may refer to:
Organizations
Places
Science and technology
Ena (gastropod)
Ena is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Enidae.
Species
Species within the genus Ena include:
References
Ena (album)
Ena (Greek: Ένα; "One") is the eighth studio album by the popular Greek artist Peggy Zina, recorded at Diogenes Studio and released on November 8, 2006, by Minos EMI. In August 2007, it was repackaged with Zina's single "Mystiko" and named Ena New Edition.
Track listing
Singles
The following songs from the album were released as radio singles and each featured a music video:
"Ena"
"Ego Ta Spao"
"Eimai Edo"
Chart performance
The Special Edition of the album remained on the Cypriot Album Chart for more than 52 weeks
References
École nationale d'administration
The École nationale d'administration (ENA; French pronunciation: [ekɔl nasjɔnal dadministʁasjɔ̃]; English: National School of Administration), one of the French graduate schools (Grandes écoles), was created in 1945 by Charles de Gaulle to democratise access to the senior civil service. It is now entrusted with the selection and initial training of senior French officials. It is one of the most prestigious and elitist French schools, not only for its acceptance rates (1/16 for the "concours externe") but especially because a large majority of the candidates already graduated from the best "Grandes écoles" of the country such as Sciences Po Paris, HEC Paris, ESSEC or the École Polytechnique.
The ENA is one of the symbols of the Republican meritocracy, along with École normale supérieure and École polytechnique ("X"), offering its alumni access to high positions within the state. It has now been almost completely relocated to Strasbourg to emphasise its European character, and is now based in the former Commanderie Saint-Jean.
Extractable nuclear antigens
Extractable Nuclear Antigens are over 100 different soluble cytoplasmic and nuclear antigens. Autoantibodies to these antigens are associated with particular connective tissue disorders.
The six main antigens used in immunological laboratories for detection are Ro, La, Sm, RNP, Scl-70 and Jo1, which are screened for by Ouchterlony double immuno diffusion techniques and confirmed by immunoblotting.
On anti-nuclear antibody tests, these antigens have a speckled pattern.
Terminology
ENAs originally referred to proteins found in a saline extract of cell nuclei . Its components have since been more clearly identified and in fact include many cytoplasmic molecules. The misnomer however has stuck. These proteins are intimately associated with various RNA molecules and are thus called ribonucleoproteins, but the nomenclature used for them is often a source of confusion, Sm, Ro and La were named after the first 2 letters of the surnames of the patients in whom they were first found. Two proteins associated with Sjogren's Syndrome were independently described as antigens A and B, but are now known to be identical to Ro and La respectively. i.e. SS-A = Ro and SS-B = La.
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