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Titolo:
Hair cell death in a hearing-deficient canary
Autore:
Wilkins, HR; Presson, JC; Popper, AN; Ryals, BM; Dooling, RJ;
Indirizzi:
Univ N Carolina, Chapel Hill, NC 27599 USA Univ N Carolina Chapel Hill NCUSA 27599 olina, Chapel Hill, NC 27599 USA Univ Maryland, Dept Biol, College Pk, MD 20742 USA Univ Maryland College Pk MD USA 20742 Dept Biol, College Pk, MD 20742 USA James Madison Univ, Dept Commun Sci & Disorders, Harrisonburg, VA 22807 USA James Madison Univ Harrisonburg VA USA 22807 , Harrisonburg, VA 22807 USA Univ Maryland, Dept Psychol, College Pk, MD 20742 USA Univ Maryland College Pk MD USA 20742 t Psychol, College Pk, MD 20742 USA
Titolo Testata:
JARO
fascicolo: 1, volume: 2, anno: 2001,
pagine: 79 - 86
SICI:
1525-3961(200103)2:1<79:HCDIAH>2.0.ZU;2-G
Fonte:
ISI
Lingua:
ENG
Soggetto:
BELGIAN WATERSLAGER CANARIES; AVIAN INNER-EAR; SERINUS-CANARIUS; ACOUSTIC TRAUMA; CHICK COCHLEA; AUDITORY-THRESHOLDS; BASILAR PAPILLA; REGENERATION; PROLIFERATION; IDENTIFICATION;
Keywords:
hair cell; cell death; TUNEL; Waterslager;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
38
Recensione:
Indirizzi per estratti:
Indirizzo: Wilkins, HR Univ N Carolina, CB 7545, Chapel Hill, NC 27599 USA Univ N Carolina CB 7545 Chapel Hill NC USA 27599 NC 27599 USA
Citazione:
H.R. Wilkins et al., "Hair cell death in a hearing-deficient canary", JARO, 2(1), 2001, pp. 79-86

Abstract

Cell death has been documented in bird auditory inner ear epithelia after induced damage. This cell death is quickly followed by an increase in supporting cell division and regeneration of the epithelium, thereby suggesting a possible relationship between these two processes. However, aspects of this relationship still need to be better understood. The Belgian Waterslager(BWS) canary is an ideal system in which to study cell death and subsequent cell division. In contrast to mixed breed (MB) canaries, cell division normally occurs in the auditory end organ of the BWS without any external manipulation. In addition, some of the cells in the auditory epithelium may bedying through an apoptotic-like process. In the present study two methods were used to quantify dying cells in the BWS and MB canary auditory epithelia: morphological criteria and TUNEL. Results confirm that some of the abnormal hair cells in the BWS auditory epithelium are apoptotic-like. The presence of both cell death and cell division indicates that these processes act concurrently in the adult end organ. Future studies are needed to determine if cell death is a stimulus for the observed cell division.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 28/02/20 alle ore 14:34:07