Evidence map›Paper›PMID 22396875›Full record

ArticleAging and disease2011

Why do hair cells and spiral ganglion neurons in the cochlea die during aging?

Philip Perez, Jianxin Bao

Open access · greenAbstract read
In one paragraph

Article in Aging and disease, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed
0.3field-weighted citation impact, top 50% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

23 citing papers in PubMed, 34 citations in OpenAlex.

  1. Article
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  7. Article
  8. Protective Effects of Silymarin Against Age-Related Hearing Loss in an Aging Rat Model.Indian journal of otolaryngology and head and neck surgery : official publication of the Association of Otolaryngologists of India · 2019
    Article
  9. Review
  10. Otoprotective Effects of Stephania tetrandra S. Moore Herb Isolate against Acoustic Trauma.Journal of the Association for Research in Otolaryngology : JARO · 2018
    Article
  11. MicroRNAs and Presbycusis.Aging and disease · 2018
    Review
  12. Article
  13. Article
  14. Review
  15. Article
  16. Article
  17. The brain, sirtuins, and ageing.Nature reviews. Neuroscience · 2017
    Review
  18. Role of antioxidants in prevention of age-related hearing loss: a review of literature.European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery · 2017
    Review
  19. Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

2 authors at 1 institution in 1 country.

Philip PerezFay and Carl Simmons Center for the Biology of Hearing and Deafness, Department of Otolaryngology, Washington University Medical School, 660 S. Euclid, St. Louis, MO 63110, USA.
Jianxin Bao
Central Institute for the Deaf · US

Funding

Sensory Function CoreP30DC004665 · NIDCD · WASHINGTON UNIVERSITY · PI FADDIS, BRIAN T · 2001 to 2015
$8.0M
DEVELOPMENT OF A DRUG THERAPY TO AMELIORATE PERMANENT HEARING LOSSR33DC010489 · NIDCD · WASHINGTON UNIVERSITY · PI BAO, JIANXIN · 2011 to 2013
$1.7M
Roles of Neurequlin-1 in Age Related Neuronal ChangesR01AG024250 · NIA · WASHINGTON UNIVERSITY · PI BAO, JIANXIN · 2004 to 2009
$1.7M
DEVELOPMENT OF A DRUG THERAPY TO AMELIORATE PERMANENT HEARING LOSSR21DC010489 · NIDCD · WASHINGTON UNIVERSITY · PI BAO, JIANXIN · 2009 to 2010
$416k
NIA NIH HHS R01 AG024250NIDCD NIH HHS P30 DC004665NIDCD NIH HHS R21 DC010489NIDCD NIH HHS R33 DC010489
6 · The paper itself

Abstract

Age-related decline of cochlear function is mainly due to the loss of hair cells and spiral ganglion neurons (SGNs). Recent findings clearly indicate that survival of these two cell types during aging depends on genetic and environmental interactions, and this relationship is seen at the systemic, tissue, cellular, and molecular levels. At cellular and molecular levels, age-related loss of hair cells and SGNs can occur independently, suggesting distinct mechanisms for the death of each during aging. This mechanistic independence is also observed in the loss of medial olivocochlear efferent innervation and outer hair cells during aging, pointing to a universal independent cellular mechanism for age-related neuronal death in the peripheral auditory system. While several molecular signaling pathways are implicated in the age-related loss of hair cells and SGNs, studies with the ability to locally modify gene expression in these cell types are needed to address whether these signaling pathways have direct effects on hair cells and SGNs during aging. Finally, the issue of whether age-related loss of these cells occurs via typical apoptotic pathways requires further examination. As new studies in the field of aging reshape the framework for exploring these underpinnings, understanding of the loss of hair cells and SGNs associated with age and the interventions that can treat and prevent these changes will result in dramatic benefits for an aging population.

Indexed as

AgingCochleaHair cellsHearing lossSpiral ganglion neurons

Identifiers

PMID22396875
PMCPMC3295057
OpenAlexW1554022145

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.