Publication: Comparison of histological characteristics and expression of CD3 and CD79a among the hemal nodes, lymph nodes and spleens of yaks (Bos grunniens)
Authors
Huang, Yufeng ; Cui, Yan ; Yu, Sijiu ; He, Junfeng ; He, Yanyu ; Zhang, Qian ; Liu, Penggang ; Pu, Yanhuan ; Sun, Juan ; Kang, Xinhua
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Publisher
Universidad de Murcia. Departamento de BiologĂa Celular e HistologĂa
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DOI
DOI: 10.14670/HH-18-030
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info:eu-repo/semantics/article
Description
Abstract
This experiment compared the histological
characteristics and distribution of CD3 and CD79a
among yak lymph nodes, hemal nodes and spleen. The
three organs from ten clinically healthy newborn and
adult yaks were studied using histology and
immunohistochemistry. The yak hemal nodes, which
consisted of blood sinuses, lymphoid follicles, diffuse
lymphoid tissue and lymphoid cords, appeared to share
the histological characteristics of the spleen and lymph
nodes: the lymphoid follicles of the hemal nodes were
much like those of the lymph nodes, which were not
surrounded by the central artery and periarteriolar
lymphoid sheath. The lymphoid cords of the hemal node,
which contained many erythrocytes, were much like the
splenic cords. The sinuses of the hemal nodes had a
similar structure to the lymph sinuses of the lymph
nodes but were engorged with erythrocytes rather than
lymph as in the lymph nodes. Interestingly, the splenic
sinuses of yak were of two different types: the sinuses
with obvious endothelial cells or those consisting of
reticular cells. The CD3+ cells were mainly located in
the paracortex area and medulla of the lymph nodes, the
diffuse lymphoid tissues of the hemal nodes, and the
periarteriolar lymphoid sheaths and red pulp of the
spleen. Most CD79a+ cells were mainly detected in the
lymphoid follicles of all examined lymphoid organs. The
results suggested that although the three organs had
specific characteristics, in some respects, they had
similar organizational structural characteristics and
immune functions. These may be useful to better
understand the relationship between the morphology and
function of these organs and provide useful references
for normal yak lymphoid organs.
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Citation
Histology and Histopathology, Vol.34, nÂş3, (2019)
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