Polyethylene Glycol Versus Carboxymethylcellulose Sodium in Senile Dry Eye - Results From a Prospective Randomized Study in North India

Nishant, Prateek; Sinha, Sony; Sinha, RanjeetKumar

doi:10.4103/2222-8888.358895

EyeQuest

2021

DOI: 10.4103/2222-8888.358895

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Polyethylene Glycol Versus Carboxymethylcellulose Sodium in Senile Dry Eye - Results From a Prospective Randomized Study in North India

Prateek Nishant¹,

Sony Sinha²,

RanjeetKumar Sinha³

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“…[ 27 - 29 ] PEG–PG combination has been reported to work better than CMC in case of DED patients by adding moisture to the eyes and keeping them lubricated. [ 30 , 31 ] But till now, no research has been carried out to find out how PEG–PG combination improves the mucin secretion in case of DED and whether it can be used as a secretagogue in DED condition.…”

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Modulation of mucin secretion using combined polyethylene glycol–propylene glycol topical formulation in a hyperosmotic stress-based explant model

Panigrahi

James

Khamar

et al. 2023

Indian Journal of Ophthalmology

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Purpose: Ocular surface discomfort and dry eye disease are caused by a dysfunctional tear film. The efficacy of lubricating eye drops on the human eye is known, but the compositions may show differential effects on rescuing the tear film. Mucins form a critical layer of the tear film, a reduction of which may be causative for ocular surface conditions. Therefore, it is essential to develop relevant human-derived models to test mucin production. Methods: Human corneoscleral rims were obtained from a healthy donor (n = 8) post-corneal keratoplasty and cultured in DMEM/F12 media. Hyperosmolar stress mimicking dry eye disease was induced by exposing the corneoscleral rim tissues to +200 mOsml NaCl-containing media. The corneoscleral rims were treated with polyethylene glycol–propylene glycol (PEG–PG)-based topical formulation. Gene expression analysis was performed for NFAT5, MUC5AC, and MUC16. Secreted mucins were measured by enzyme-linked immunosorbent assay (ELISA) (Elabscience, Houston, TX, USA) for MUC5AC and MUC16. Results: The corneoscleral rims responded to hyperosmolar stress by upregulating NFAT5, a marker for increased osmolarity, as observed in the case of dry eye disease. The expression of MUC5AC and MUC16 was reduced upon an increase in hyperosmotic stress. The corneoscleral rim tissues showed induction of MUC5AC and MUC16 expression upon treatment with PEG–PG topical formulation but did not show significant changes in the presence of hyperosmolar treatments. Conclusion: Our findings showed that PEG–PG-based topical formulation slightly alleviated hyperosmolar stress-induced decrease in MUC5AC and MUC16 gene expression that is encountered in DED.

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confidence: 99%

Modulation of mucin secretion using combined polyethylene glycol–propylene glycol topical formulation in a hyperosmotic stress-based explant model

Panigrahi

James

Khamar

et al. 2023

Indian Journal of Ophthalmology

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Polyethylene Glycol Versus Carboxymethylcellulose Sodium in Senile Dry Eye - Results From a Prospective Randomized Study in North India

Cited by 1 publication

References 0 publications

Modulation of mucin secretion using combined polyethylene glycol–propylene glycol topical formulation in a hyperosmotic stress-based explant model

Modulation of mucin secretion using combined polyethylene glycol–propylene glycol topical formulation in a hyperosmotic stress-based explant model

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