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Yi S, Feng Y, Wang Y, Ma F. Sialylation: fate decision of mammalian sperm development, fertilization, and male fertility†. Biol Reprod 2023; 109:137-155. [PMID: 37379321 DOI: 10.1093/biolre/ioad067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 06/14/2023] [Accepted: 06/19/2023] [Indexed: 06/30/2023] Open
Abstract
Sperm development, maturation, and successful fertilization within the female reproductive tract are intricate and orderly processes that involve protein translation and post-translational modifications. Among these modifications, sialylation plays a crucial role. Any disruptions occurring throughout the sperm's life cycle can result in male infertility, yet our current understanding of this process remains limited. Conventional semen analysis often fails to diagnose some infertility cases associated with sperm sialylation, emphasizing the need to comprehend and investigate the characteristics of sperm sialylation. This review reanalyzes the significance of sialylation in sperm development and fertilization and evaluates the impact of sialylation damage on male fertility under pathological conditions. Sialylation serves a vital role in the life journey of sperm, providing a negatively charged glycocalyx and enriching the molecular structure of the sperm surface, which is beneficial to sperm reversible recognition and immune interaction. These characteristics are particularly crucial during sperm maturation and fertilization within the female reproductive tract. Moreover, enhancing the understanding of the mechanism underlying sperm sialylation can promote the development of relevant clinical indicators for infertility detection and treatment.
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Affiliation(s)
- Shiqi Yi
- Center for Translational Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, P.R. China
- Department of Obstetrics and Gynecology, West China Second Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Ying Feng
- West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, Sichuan, China
| | - Yan Wang
- Department of Obstetrics and Gynecology, West China Second Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Fang Ma
- Center for Translational Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, P.R. China
- Department of Obstetrics and Gynecology, West China Second Hospital, Sichuan University, Chengdu, Sichuan, China
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Gewaily MS, Kassab M, Aboelnour A, Almadaly EA, Noreldin AE. Comparative Cellular Localization of Sugar Residues in Bull ( Bos taurus) and Donkey ( Equus asinus) Testes Using Lectin Histochemistry. MICROSCOPY AND MICROANALYSIS : THE OFFICIAL JOURNAL OF MICROSCOPY SOCIETY OF AMERICA, MICROBEAM ANALYSIS SOCIETY, MICROSCOPICAL SOCIETY OF CANADA 2021; 27:1-10. [PMID: 34635197 DOI: 10.1017/s1431927621012939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Lectins are glycoproteins of a non-immune origin often used as histochemical reagents to study the distribution of glycoconjugates in different types of tissues. In this study, we performed a comparative cellular localization of sugar residues in bull and donkey testes using immunofluorescent lectin histochemistry. We inspected the cellular localization of the glycoconjugates within the testes using 11 biotin-labeled lectins (LCA, ConA, PNA, WGA, DBA, SBA, ECA, BPL, PTL-II, UEA-1, and PHA-E4) classified under six groups. Although the basic testicular structure in both species was similar, the cellular components showed different lectin localization patterns. The statistical analysis revealed no significant association between the intensity of labeling and different variables, including group and type of lectin and type of cell examined, at p < 0.05. However, a stronger response tended to occur in the donkey than in the bull testes (odds ratio: 1.3). These findings may be associated with the different cellular compositions of the glycoproteins and modification changes during spermatogenesis. Moreover, glycoconjugate profiling through lectin histochemistry can characterize some cell-type selective markers that will be helpful in studying bull and donkey spermatogenesis.
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Affiliation(s)
- Mahmoud S Gewaily
- Department of Anatomy and Embryology, Faculty of Veterinary Medicine, Kafrelsheikh University, 33516Kafrelsheikh, Egypt
| | - Mohamed Kassab
- Department of Cytology and Histology, Faculty of Veterinary Medicine, Kafrelsheikh University, 33516Kafrelsheikh, Egypt
| | - Asmaa Aboelnour
- Department of Histology and Cytology, Faculty of Veterinary Medicine, Damanhour University, Damanhour22511, Egypt
| | - Essam A Almadaly
- Department of Theriogenology, Faculty of Veterinary Medicine, Kafrelsheikh University, El-Geish Street, 33516, Kafrelsheikh, Egypt
| | - Ahmed E Noreldin
- Department of Histology and Cytology, Faculty of Veterinary Medicine, Damanhour University, Damanhour22511, Egypt
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Martínez-Hernández J, Seco-Rovira V, Beltrán-Frutos E, Ferrer C, Serrano-Sánchez MI, Pastor LM. Lectin-binding pattern of glycoconjugates during spontaneous testicular recrudescence in Syrian hamster (Mesocricetus auratus) after exposure to short photoperiod. Andrologia 2018; 51:e13148. [PMID: 30246471 DOI: 10.1111/and.13148] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Revised: 07/26/2018] [Accepted: 08/21/2018] [Indexed: 01/19/2023] Open
Abstract
Lectin histochemistry was used to characterise glycoconjugates and cellular apoptosis in the seminiferous epithelium and interstitium of hamster testis during spontaneous recrudescence. An increase in the LTA lectin affinity was observed in spermatids in the Golgi phase. An increase in labelling of PNA and Con-A lectin in acrosome of spermatids (acrosome phase) as well as increased labelling with Con-A in spermatids (cap phase) was observed. Spermatocytes showed decreased affinity with PNA and AAA lectins and an increase in positivity for LTA and GNA lectins. Spermatogonia showed a slight decrease in positivity to WGA and an increase in labelling with Con-A and a decreased affinity for the AAA lectin. At the end of recrudescence, all these germinal cells showed a similar pattern to the control. The Sertoli cells showed a gradual decrease in labelling with the GNA lectin and the Leydig cells an increase in labelling with Con-A and GNA. Particularly unusual was the observation of apoptotic spermatocytes and spermatids positive for PNA, GNA, AAA and Con-A, together with spermatocytes positive to LTA. In conclusion, the normal lectin pattern is recovered during testis recrudescence and germ cell apoptotic activity is low, as is observed by specific lectins for germ cells in apoptosis.
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Affiliation(s)
- Jesús Martínez-Hernández
- Department of Cell Biology and Histology, Medical School, IMIB-Arrixaca, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, Murcia, Spain
| | - Vicente Seco-Rovira
- Department of Cell Biology and Histology, Medical School, IMIB-Arrixaca, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, Murcia, Spain
| | - Ester Beltrán-Frutos
- Department of Cell Biology and Histology, Medical School, IMIB-Arrixaca, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, Murcia, Spain
| | - Concepción Ferrer
- Department of Cell Biology and Histology, Medical School, IMIB-Arrixaca, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, Murcia, Spain
| | - María Isabel Serrano-Sánchez
- Department of Cell Biology and Histology, Medical School, IMIB-Arrixaca, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, Murcia, Spain
| | - Luis Miguel Pastor
- Department of Cell Biology and Histology, Medical School, IMIB-Arrixaca, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, Murcia, Spain
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Ma X, Pan Q, Feng Y, Choudhury BP, Ma Q, Gagneux P, Ma F. Sialylation Facilitates the Maturation of Mammalian Sperm and Affects Its Survival in Female Uterus. Biol Reprod 2016; 94:123. [PMID: 27075617 PMCID: PMC4946803 DOI: 10.1095/biolreprod.115.137810] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2015] [Accepted: 04/06/2016] [Indexed: 02/05/2023] Open
Abstract
Establishment of adequate levels of sialylation is crucial for sperm survival and function after insemination; however, the mechanism for the addition of the sperm sialome has not been identified. Here, we report evidence for several different mechanisms that contribute to the establishment of the mature sperm sialome. Directly quantifying the source of the nucleotide sugar CMP-beta-N-acetylneuraminic acid in epididymal fluid indicates that transsialylation occurs in the upper epididymis. Western blots for the low-molecular-mass sialoglycoprotein (around 20–50 kDa) in C57BL/6 mice epididymal fluid reflect that additional sialome could be obtained by glycosylphosphatidylinositol-anchored sialoglycopeptide incorporation during epididymal transit in the caput of the epididymis. Additionally, we found that in Cmah (CMP-N-acetylneuraminic acid hydroxylase)−/− transgenic mice, epididymal sperm obtained sialylated-CD52 from seminal vesicle fluid (SVF). Finally, we used Gfp (green fluorescent protein)+/+ mouse sperm to test the role of sialylation on sperm for protection from female leukocyte attack. There is very low phagocytosis of the epididymal sperm when compared to that of sperm coincubated with SVF. Treating sperm with Arthrobacter ureafaciens sialidase (AUS) increased phagocytosis even further. Our results highlight the different mechanisms of increasing sialylation, which lead to the formation of the mature sperm sialome, as well as reveal the sialome's function in sperm survival within the female genital tract.
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Affiliation(s)
- Xue Ma
- Department of Pediatric Urology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Qian Pan
- Sichuan University - The Chinese University of Hong Kong Joint Laboratory for Reproductive Medicine, Key Laboratory of Obstetric, Gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, China
| | - Ying Feng
- Sichuan University - The Chinese University of Hong Kong Joint Laboratory for Reproductive Medicine, Key Laboratory of Obstetric, Gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, China
| | - Biswa P Choudhury
- Shanghai Key Laboratory of Reproductive Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Qianhong Ma
- West China School of Preclinical and Forensic Medicine, Sichuan University, Chengdu, Sichuan, China
| | - Pascal Gagneux
- Glycobiology Research and Training Center and Departments of Cellular, University of California, San Diego, La Jolla, California
| | - Fang Ma
- Department of Obstetrics and Gynecology, West China Second University Hospital, Sichuan University, Chengdu, China West China School of Preclinical and Forensic Medicine, Sichuan University, Chengdu, Sichuan, China Glycobiology Research and Training Center and Departments of Cellular, University of California, San Diego, La Jolla, California
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Liguori G, Paino S, Squillacioti C, Luca AD, Alì S, Langella E, Mirabella N. Innervation and Immunohistochemical Characteristics of Epididymis in Alpaca Camelid (Vicugna Pacos). ITALIAN JOURNAL OF ANIMAL SCIENCE 2016. [DOI: 10.4081/ijas.2013.e15] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Liguori G, Squillacioti C, De Luca A, Ciarcia R, Vittoria A, Mirabella N. Presence and Distribution of Urocortin and its Receptors in the Epididymis of Alpaca (Vicugna pacos). Anat Histol Embryol 2014; 44:66-71. [DOI: 10.1111/ahe.12110] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2013] [Accepted: 02/09/2014] [Indexed: 12/11/2022]
Affiliation(s)
- G. Liguori
- Department of Veterinary Medicine and Animal Production; University of Naples Federico II; Naples Italy
| | - C. Squillacioti
- Department of Veterinary Medicine and Animal Production; University of Naples Federico II; Naples Italy
| | - A. De Luca
- Department of Veterinary Medicine and Animal Production; University of Naples Federico II; Naples Italy
| | - R. Ciarcia
- Department of Veterinary Medicine and Animal Production; University of Naples Federico II; Naples Italy
| | - A. Vittoria
- Department of Veterinary Medicine and Animal Production; University of Naples Federico II; Naples Italy
| | - N. Mirabella
- Department of Veterinary Medicine and Animal Production; University of Naples Federico II; Naples Italy
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Seco-Rovira V, Beltrán-Frutos E, Ferrer C, Sánchez-Huertas MM, Madrid JF, Saez FJ, Pastor LM. Lectin Histochemistry as a Tool to Identify Apoptotic Cells in the Seminiferous Epithelium of Syrian Hamster (Mesocricetus auratus) Subjected to Short Photoperiod. Reprod Domest Anim 2013; 48:974-83. [DOI: 10.1111/rda.12196] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2013] [Accepted: 05/15/2013] [Indexed: 02/05/2023]
Affiliation(s)
- V Seco-Rovira
- Department of Cell Biology and Histology, Medical School, IMIB, Regional Campus of International Excellence ‘Campus Mare Nostrum’; University of Murcia; Murcia Spain
| | - E Beltrán-Frutos
- Department of Cell Biology and Histology, Medical School, IMIB, Regional Campus of International Excellence ‘Campus Mare Nostrum’; University of Murcia; Murcia Spain
| | - C Ferrer
- Department of Cell Biology and Histology, Medical School, IMIB, Regional Campus of International Excellence ‘Campus Mare Nostrum’; University of Murcia; Murcia Spain
| | - MM Sánchez-Huertas
- Department of Cell Biology and Histology, Medical School, IMIB, Regional Campus of International Excellence ‘Campus Mare Nostrum’; University of Murcia; Murcia Spain
| | - JF Madrid
- Department of Cell Biology and Histology, Medical School, IMIB, Regional Campus of International Excellence ‘Campus Mare Nostrum’; University of Murcia; Murcia Spain
| | - FJ Saez
- Department of Cell Biology and Histology UFI11/44, School of Medicine and Dentistry; University of the Basque Country, UPV/EHU; Leioa Spain
| | - LM Pastor
- Department of Cell Biology and Histology, Medical School, IMIB, Regional Campus of International Excellence ‘Campus Mare Nostrum’; University of Murcia; Murcia Spain
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Parillo F, Catone G, Boiti C, Zerani M. Immunopresence and enzymatic activity of nitric oxide synthases, cyclooxygenases and PGE2-9-ketoreductase and in vitro production of PGF2α, PGE2 and testosterone in the testis of adult and prepubertal alpaca (Lama pacos). Gen Comp Endocrinol 2011; 171:381-8. [PMID: 21377467 DOI: 10.1016/j.ygcen.2011.03.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2010] [Revised: 02/11/2011] [Accepted: 03/01/2011] [Indexed: 10/18/2022]
Abstract
This study presents the first evidence for differences in COXs, PGE2-9-ketoreductase and NOSs immunopresence and enzyme activity, and prostaglandin and testosterone production between the testes of adult and prepubertal alpacas. The prepubertal testis immunohistochemical data revealed that COX1 was expressed in spermatogonia and endothelial cells whereas COX2 was present only in the stromal cells. In adult animals, COX2 immunosignals were evidenced in germ cells, as well as both COX1 and -2 in Leydig and Sertoli cells. In adult testes, the spermatogonia, spermatocytes and round spermatids had expression of e- and n-NOS only, whereas elongated spermatids exhibited immunopositivity for i- and e-NOS and Sertoli cells expressed only n-NOS. In prepubertal alpacas, i-NOS was localized in spermatogonia, e-NOS in Sertoli cells and all three NOS isoforms in Leydig cells. PGE2-9-ketoreductase immunopresence was observed in spermatogonia nuclei and cytoplasm of prepubertal testis whereas they were localized in spermatid acrosomal vesicle of adult. The enzymatic data indicated that COX1 activity was higher than COX2 in adult alpaca testis whereas the activity of COX2 was greater than that of COX1 in prepubertal animals. Total NOS and PGE2-9-ketoreductase activities were more extensive in adult alpacas. In vitro hormone production results showed that prepubertal testes released lower amounts of testosterone and PGF2α while PGE2 synthesis was six times more elevated than in in vitro incubated adult testes. Taken together, the data on COX2, i-NOS and PGE2 led us to hypothesize that development in prepubertal male reproductive tissues utilizes a mechanism similar to that of inflammation.
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Affiliation(s)
- Francesco Parillo
- Scuola di Scienze mediche veterinarie, Università di Camerino, Italy
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Zerani M, Catone G, Quassinti L, Maccari E, Bramucci M, Gobbetti A, Maranesi M, Boiti C, Parillo F. In vitro effects of gonadotropin-releasing hormone (GnRH) on Leydig cells of adult alpaca (Lama pacos) testis: GnRH receptor immunolocalization, testosterone and prostaglandin synthesis, and cyclooxygenase activities. Domest Anim Endocrinol 2011; 40:51-9. [PMID: 20961724 DOI: 10.1016/j.domaniend.2010.08.006] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2009] [Revised: 08/28/2010] [Accepted: 08/29/2010] [Indexed: 10/19/2022]
Abstract
The main objective of this study was to examine the modulatory in vitro effects of gonadotropin-releasing hormone (GnRH) on isolated Leydig cells of adult alpaca (Lama pacos) testis. We first evaluated the presence of GnRH receptor (GnRHR) and cyclooxygenase (COX) 1 and COX2 in alpaca testis. We then studied the in vitro effects of buserelin (GnRH analogue), antide (GnRH antagonist), and buserelin plus antide or inhibitor of phospholipase C (compound 48/80) and COXs (acetylsalicylic acid) on the production of testosterone, PGE(2), and PGF(2α) and on the enzymatic activities of COX1 and COX2. Immunoreactivity for GnRHR was detected in the cytoplasm of Leydig cells and in the acrosomal region of spermatids. COX1 and COX2 immunosignals were noted in the cytoplasm of spermatogonia, spermatocytes, spermatids, Leydig cells, and Sertoli cells. Western blot analysis confirmed the GnRHR and COX1 presence in alpaca testis. The in vitro experiments showed that buserelin alone increased (P < 0.01) and antide and buserelin plus acetylsalicylic acid decreased (P < 0.01) testosterone and PGF(2α) production and COX1 activity, whereas antide and compound 48/80 counteracted buserelin effects. Prostaglandin E(2) production and COX2 activity were not affected by buserelin or antide. These data suggest that GnRH directly up-regulates testosterone production in Leydig cells of adult alpaca testis with a postreceptorial mechanism that involves PLC, COX1, and PGF(2α).
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Affiliation(s)
- M Zerani
- Scuola di Scienze Mediche Veterinarie, Università di Camerino, I-62024 Matelica, Italy.
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