Spermiogenesis, stages of seminiferous epithelium and variations in seminiferous tubules during active states of spermatogenesis in Yangzhou goose ganders

Akhtar, Muhammad Faheem; Ahmad, Ejaz; Mustafa, Sheeraz; Chen, Zhe; Shi, Zhen‐Dan; Shi, Fangxiong

doi:10.1016/j.anireprosci.2020.106393

Cited by 2 publications

(8 citation statements)

References 18 publications

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“…In our present study, birds move from premature stage to transition and further to mature testes, various waves in seminiferous epithelium cause variations in seminiferous tubules. Johnsen's score was lower in premature testes, elevated in the transition stage and was highest in the mature stage due to mature testes and perfect state of spermatogenesis [13]. Spermatogonia, spermatocytes, spermatids, epithelial height, and diameter of seminiferous tubules were positively correlated depicting that Yangzhou ganders were moving from premature to mature testis [33].…”

Section: Discussionmentioning

confidence: 99%

“…Testis tissues were collected at 181, 200 and 227 days of age because in Yangzhou ganders, there exist differences in testes maturation and body maturation. Sexual maturity in Yangzhou ganders is 227 days of age [13]. Initially, after 181 days of age, ten ganders from both groups were slaughtered for testes samples.…”

Section: Testis Tissue Collectionmentioning

confidence: 99%

“…In rodents, Sertoli cells are present both in peritubular and perivascular compartments of fetal testes and adult Leydig cells arise from them [11]. Seasonal photoperiodic changes alter reproductive and endocrine regulations of birds and concomitant changes occur with the season and age of maturity in the histological architecture of testes [12,13].…”

Section: Introductionmentioning

confidence: 99%

“…Yangzhou goose (Anser domesticus) is a genetically engineered goose breed in China [13]. The age of sexual maturity in Yangzhou goose ganders is 227 days [13].…”

Section: Introductionmentioning

confidence: 99%

“…Yangzhou goose (Anser domesticus) is a genetically engineered goose breed in China [13]. The age of sexual maturity in Yangzhou goose ganders is 227 days [13]. Its egg-laying starts in autumn, peaks between February and March and ends between May and June [14].…”

Section: Introductionmentioning

confidence: 99%

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Age-Related Alterations in Testicular Histoarchitecture of Yangzhou Goose Ganders

2021

Sci. Lett.

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The age of maturity and seasonality are vital characteristics in the production of seasonal breeders like Yangzhou ganders. Ancestors of the current geese breeds were wild geese that adapted their breeding season, according to the season having plenty of food and suitable weather conditions to reproduce and raise their chicks to combat harsh environmental conditions. The present study aimed to elucidate histological changes in testicular histoarchitecture of Yangzhou goose ganders. Testis samples were collected from Yangzhou ganders during premature, transition and mature states. Testicular regression was accessed by observing changes in the number of spermatocytes, spermatogonia, elongated spermatids, round spermatids, width of seminiferous tubules, epithelial height, luminal tubular diameter and Johnsen’s score. The results depicted a positive correlation between age and number of spermatogonia, primary spermatocytes, spermatids, and epithelial height. Thus, testicular histoarchitecture works usually on the balance between Sertoli and other germ cells. Further, our results conclude that breeding seasonality and age of sexual maturity also affect spermatogenesis efficiency in Yangzhou ganders.

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Section: Discussionmentioning

confidence: 99%

Section: Testis Tissue Collectionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…Yangzhou goose (Anser domesticus) is a genetically engineered goose breed in China [13]. The age of sexual maturity in Yangzhou goose ganders is 227 days [13].…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Age-Related Alterations in Testicular Histoarchitecture of Yangzhou Goose Ganders

2021

Sci. Lett.

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Ubiquitin C‐terminal hydrolase L1 (UCHL1), a double‐edged sword in mammalian oocyte maturation and spermatogenesis

Yang

Peng

et al. 2022

Cell Proliferation

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Background: Recent studies have shown that ubiquitin-mediated cell apoptosis can modulate protein interaction and involve in the progress of oocyte maturation and spermatogenesis. As one of the key regulators involved in ubiquitin signal, ubiquitin C-terminal hydrolase L1 (UCHL1) is considered a molecular marker associated with spermatogonia stem cells. However, the function of UCHL1 was wildly reported to regulate various bioecological processes, such as Parkinson's disease, lung cancer, breast cancer and colon cancer, how UCHL1 affects the mammalian reproductive system remains an open question.Methods: We identified papers through electronic searches of PubMed database from inception to July 2022.Results: Here, we summarize the important function of UCHL1 in controlling mammalian oocyte development, regulating spermatogenesis and inhibiting polyspermy, and we posit the balance of UCHL1 was essential to maintaining reproductive cellular and tissue homeostasis. Conclusion:This study considers the 'double-edged sword' role of UCHL1 during gametogenesis and presents new insights into UCHL1 in germ cells.

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Spermiogenesis, stages of seminiferous epithelium and variations in seminiferous tubules during active states of spermatogenesis in Yangzhou goose ganders

Cited by 2 publications

References 18 publications

Age-Related Alterations in Testicular Histoarchitecture of Yangzhou Goose Ganders

Age-Related Alterations in Testicular Histoarchitecture of Yangzhou Goose Ganders

Ubiquitin C‐terminal hydrolase L1 (UCHL1), a double‐edged sword in mammalian oocyte maturation and spermatogenesis

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