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108378

Folic acid ameliorates L-thyroxin induced hepatotoxicity and oxidative stress in albino rats.

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Last updated: 04 Jan 2025

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Abstract

Thyroid hormones have been known to regulate the energy metabolism of most tissues including liver. Alterations in their normal levels cause some biochemical and clinical abnormalities such as hypothyroidism and hyperthyroidism. The present study evaluated the effect of thyroid hormone, L-thyroxin on liver of albino rats. Additionally the ameliorating role of folic acid supplementation was investigated. Fifty male albino rats were randomly divided into five groups (group I, control; group II, folic acid; group III, L-thyroxin sodium administration (100 μg/kg / body weight); group IV, L-thyroxin and folic acid group and V, recovery group). The results showed that there were a significant increase in ALT, AST, MDA and nitric oxide in L-thyroxin treated rats as compared to control group. On the other hand, a significant decrease in glutathione (GSH) in L-thyroxin treated rats as compared to control group. Histological results showed that liver sections of L-thyroxin group showed histopathological lesions such as leucocytic infiltrations, congestion of central and portal veins and cytoplasmic vacuolation of hepatocytes with the presence of pyknotic nuclei, in addition to fatty infiltration. Immunohistochemical results revealed that strong positive expression of PCNA, P53, and Bcl-2 were detected in the liver section in L-thyroxin treated rats and recovered rats as compared to control and folic acid groups. However; mild to moderate positive expressions of PCNA, P53, and Bcl-2 were observed in rats treated with L-thyroxin and folic acid in liver section. This reflects oxidative stress associated with hyperthyroid state.

DOI

10.21608/jbaar.2016.108378

Keywords

Hyperthyroidism, Liver, ALT, AST, Oxidative Stress, PCNA, P53 and Bcl-2

Authors

First Name

Somya Y.

Last Name

Shalaby

MiddleName

-

Affiliation

Department of Zoology, Faculty of Science, Menoufia University, Egypt

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Orcid

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First Name

Saber A.

Last Name

Sakr

MiddleName

-

Affiliation

Department of Zoology, Faculty of Science, Menoufia University, Egypt

Email

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City

-

Orcid

-

First Name

Mohamed

Last Name

Rabea

MiddleName

-

Affiliation

Department of Zoology, Faculty of Science, Menoufia University, Egypt

Email

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City

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Orcid

-

First Name

Ehab

Last Name

Tousson

MiddleName

-

Affiliation

Department of Zoology, Faculty of Science, Tanta University, Egypt

Email

toussonehab@yahoo.com

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Orcid

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Volume

2

Article Issue

5

Related Issue

16343

Issue Date

2016-05-01

Receive Date

2016-04-20

Publish Date

2016-05-25

Page Start

334

Page End

345

Print ISSN

2356-9174

Online ISSN

2356-9182

Article File

JBAAR_Volume 2_Issue 5_Pages 334-345.pdf

PDF . 2.0MB

Link

https://jbaar.journals.ekb.eg/article_108378.html

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https://jbaar.journals.ekb.eg/service?article_code=108378

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6

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Original Article

Type Code

1,272

Publication Type

Journal

Publication Title

Journal of Bioscience and Applied Research

Publication Link

https://jbaar.journals.ekb.eg/

MainTitle

Folic acid ameliorates L-thyroxin induced hepatotoxicity and oxidative stress in albino rats.

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Article

Created At

22 Jan 2023