Dhasakumar Navaratnam
Overview
Explore the profile of Dhasakumar Navaratnam including associated specialties, affiliations and a list of published articles.
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39
Citations
669
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Recent Articles
1.
Wang T, Ling A, Billings S, Hosseini D, Vaisbuch Y, Kim G, et al.
Nat Commun
. 2024 Jun;
15(1):4833.
PMID: 38844821
Mammalian inner ear hair cell loss leads to permanent hearing and balance dysfunction. In contrast to the cochlea, vestibular hair cells of the murine utricle have some regenerative capacity. Whether...
2.
Bai J, Zhang C, Bahader I, Strenzke N, Renigunta V, Oliver D, et al.
bioRxiv
. 2024 Feb;
PMID: 38352579
Significance: Prestin is believed to provide cochlear amplification in mammals that possess a wide range of frequency sensitivities. Previously, chloride anions have been shown to control prestin kinetics at frequencies...
3.
Tu L, Melnick E, Venkatesh A, Sheth K, Navaratnam D, Yaesoubi R, et al.
AJR Am J Roentgenol
. 2024 Jan;
222(2):e2430900.
PMID: 38294162
No abstract available.
4.
Tu L, Melnick E, Venkatesh A, Sheth K, Navaratnam D, Yaesoubi R, et al.
AJR Am J Roentgenol
. 2023 Nov;
222(2):e2330060.
PMID: 37937837
Underlying stroke is often misdiagnosed in patients presenting with dizziness. Although such patients are usually ineligible for acute stroke treatment, accurate diagnosis may still improve outcomes through selection of patients...
5.
Tu L, Navaratnam D, Melnick E, Forman H, Venkatesh A, Malhotra A, et al.
AJR Am J Roentgenol
. 2023 Jul;
221(6):836-845.
PMID: 37404082
CT with CTA is widely used to exclude stroke in patients with dizziness, although MRI has higher sensitivity. The purpose of this article was to compare patients presenting to the...
6.
Tu L, Malhotra A, Venkatesh A, Taylor R, Sheth K, Yaesoubi R, et al.
PLoS One
. 2023 Mar;
18(3):e0280752.
PMID: 36893103
Background: Patients presenting to the emergency department (ED) with dizziness may be imaged via CTA head and neck to detect acute vascular pathology including large vessel occlusion. We identify commonly...
7.
Santos-Sacchi J, Bai J, Navaratnam D
J Neurosci
. 2023 Mar;
43(14):2460-2468.
PMID: 36868859
Charged moieties in the outer hair cell (OHC) membrane motor protein, prestin, are driven by transmembrane voltage to power OHC electromotility (eM) and cochlear amplification (CA), an enhancement of mammalian...
8.
Santos-Sacchi J, Navaratnam D
Hear Res
. 2022 May;
423:108525.
PMID: 35599199
The outer hair cell (OHC) is celebrated on the 21st birthday of prestin's identification and the year of this molecular motor's sub-nanometer structural solution. Dogmatic conceptions of OHC performance have...
9.
Butan C, Song Q, Bai J, Tan W, Navaratnam D, Santos-Sacchi J
Nat Commun
. 2022 Jan;
13(1):290.
PMID: 35022426
The mammalian outer hair cell (OHC) protein prestin (Slc26a5) differs from other Slc26 family members due to its unique piezoelectric-like property that drives OHC electromotility, the putative mechanism for cochlear...
10.
Tu L, Mahajan A, Minja F, Navaratnam D, Melnick E
Clin Imaging
. 2021 Dec;
82:234-236.
PMID: 34902799
Posterior strokes are frequently misdiagnosed as they present with non-specific complaints such as dizziness/vertigo. Emergency department (ED) practice often relies on CT/CTA to "exclude" infarct in such patients, providing false...