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44718

Myocytes changes and satellite cells proliferation following denervation of ALD (Anterior Latissimus Dorsi) and PLD (Posterior Latissimus Dorsi) muscles in two strains of turkey (

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Last updated: 04 Jan 2025

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Abstract

Morphological features and chronology of myocytes changes after denervation were studied over 35 days period in 2 heavy (HW) and light-weight (LW) strains of 5-week- old male turkeys. Denervation caused progressive atrophy in pos- terior latissimus dorsi (PLD). By day 28, the weight of the PLD muscle had reached about 62% of the non-denervated contralateral muscle weight in both strains. On the contrary, ALD muscle mass increase progressively after denervation. Thus the maximum hypertrophy of the ALD, expressed as a percentage of contralateral muscle, was respectively about 67% and 37%, day 21 in the HW strain and day 28 in LW strain after denervation. ALD hypertrophy ceased apparently after day 21 (HW strain) and day 28 (LW strain). Morphometric analysis revealed that fast twitch (type II) fibers were atrophied after denervation, whereas slow tonic (type III) fibers were hypertrophied from day 7. Coagulative necrosis with fragmentation and lysis associated with moderate infiltration of inflammatory cells, were similar in both strains. Irregularities in mitochondrial distribution occurred mainly in type III fibers of ALD muscle at day 7. Seven and 14 days after denervation, immunolabelling of proliferating cell nuclear antigen (PCNA) revealed satellite cell activation in denervated muscles. The number of activated satellite cells was greater in the LW than HW mainly in ALD muscles.

DOI

10.21608/jva.2014.44718

Keywords

skeletal muscle, fiber size, denervation, satellite cells, turkey

Authors

First Name

S.

Last Name

Bakou

MiddleName

-

Affiliation

Service d'Anatomie et Histologie – Embryologie. École Inter-Etats des Sciences Mé- decine Vétérinaires (E.I.S.M.V.) B.P. 5077 Dakar, Senegal

Email

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City

Dakar

Orcid

-

First Name

L.

Last Name

Guigand

MiddleName

-

Affiliation

UMR 703 INRA /Oniris, Nantes-Atlantic National College of Veterinay Medicine, Food Science and Engineering, CS 40706, F-44307 Nantes Cedex 03, France

Email

-

City

-

Orcid

-

First Name

R.

Last Name

Apreutese

MiddleName

-

Affiliation

UMR 703 INRA /Oniris, Nantes-Atlantic National College of Veterinay Medicine, Food Science and Engineering, CS 40706, F-44307 Nantes Cedex 03, France

Email

-

City

-

Orcid

-

First Name

A.

Last Name

Apreutese

MiddleName

-

Affiliation

UMR 703 INRA /Oniris, Nantes-Atlantic National College of Veterinay Medicine, Food Science and Engineering, CS 40706, F-44307 Nantes Cedex 03, France

Email

-

City

-

Orcid

-

First Name

M.

Last Name

Wyers

MiddleName

-

Affiliation

UMR 703 INRA /Oniris, Nantes-Atlantic National College of Veterinay Medicine, Food Science and Engineering, CS 40706, F-44307 Nantes Cedex 03, France

Email

-

City

-

Orcid

-

First Name

Y.

Last Name

Cherel

MiddleName

-

Affiliation

UMR 703 INRA /Oniris, Nantes-Atlantic National College of Veterinay Medicine, Food Science and Engineering, CS 40706, F-44307 Nantes Cedex 03, France

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-

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-

Orcid

-

Volume

7

Article Issue

1

Related Issue

6939

Issue Date

2014-04-01

Receive Date

2013-07-14

Publish Date

2014-04-01

Page Start

89

Page End

111

Print ISSN

1687-9988

Online ISSN

2357-0504

Article File

JVA_Volume 7_Issue 1_Pages 89-111.pdf

PDF . 1.3MB

Link

https://jva.journals.ekb.eg/article_44718.html

Detail API

https://jva.journals.ekb.eg/service?article_code=44718

Order

8

Type

Original Article

Type Code

782

Publication Type

Journal

Publication Title

Journal of Veterinary Anatomy

Publication Link

https://jva.journals.ekb.eg/

MainTitle

Myocytes changes and satellite cells proliferation following denervation of ALD (Anterior Latissimus Dorsi) and PLD (Posterior Latissimus Dorsi) muscles in two strains of turkey (Meleagris gallopavo)

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Article

Created At

22 Jan 2023