1
|
Khadim MS, Zaid NW. Efficiency of C-type natriuretic peptide on improvement of Iraqi local ram's epididymal sperms. Open Vet J 2024; 14:674-682. [PMID: 38549573 PMCID: PMC10970128 DOI: 10.5455/ovj.2024.v14.i2.7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Accepted: 01/21/2023] [Indexed: 04/02/2024] Open
Abstract
Background Fertility plays a great role in animal reproduction since high-quality semen improves sheep industry reproduction. The current worldwide data revealed the close relation of C-type natriuretic peptide (CNP) to the reproductive function of rams. Aims Evaluation of the effect of CNP on cooled sperms using traditional and molecular assays. Methods Totally, of 20 testicular samples were collected, processed to obtain the semen samples, and divided into two parts; one was treated with a suitable dose of CNP, and the other served as a control. Sperm samples of both groups were cooled for 3 days and tested at 0, 24, 48, and 72 hours. Results The findings revealed that the suitable dose of CNP-treated sperms was 0.01 × 10-13. Values of individual motility, live sperms, and sperm concentration were reduced significantly in CNP-24h, CNP-48h, and CNP-72h when compared to control; however, abnormal sperms were increased in both control and CNP groups at 24, 48, and 72 hours when compared to values of 0 hour. Concerning turbidmetric analysis, a significant reduction in values of lag time was observed in CNP when compared to control at all times of cooling intervals. In both CNP and control groups, motility index was decreased at 24, 48, and 72 hours when compared to 0 hour. For velocity, significant increases were shown in CNP compared with control at all cooling intervals. However, values of both groups were increased significantly at 24, 48, and 72 hours times when compared to 0 hour. Fraction of rapidly moving sperm of CNP was elevated at 0 hour and decreased at 24, 48, and 72 hours when compared to control. Expression of the hNPR-B gene was reduced gradually in sperms of CNP and control groups at times of cooling intervals. Conclusion To the best of our knowledge, this first Iraqi study targets the effect of CNP on epididymal sperms of rams. However, changes that occur after excessive CNP exposure remain unclear, and the toxicological profile of CNP requires furthermore supplements.
Collapse
Affiliation(s)
- Massar Saeb Khadim
- Department of Surgery and Obstetrics, College of Veterinary Medicine, University of Baghdad, Baghdad, Iraq
| | - Nazih Wayes Zaid
- Department of Surgery and Obstetrics, College of Veterinary Medicine, University of Baghdad, Baghdad, Iraq
| |
Collapse
|
2
|
Zhao H, Yu Y, Mei C, Zhang T, Kang Y, Li N, Huang D. Effect of C-Type Natriuretic Peptide (CNP) on Spermatozoa Maturation in Adult Rat Epididymis. Curr Issues Mol Biol 2023; 45:1681-1692. [PMID: 36826053 PMCID: PMC9955803 DOI: 10.3390/cimb45020108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 01/30/2023] [Accepted: 02/03/2023] [Indexed: 02/18/2023] Open
Abstract
C-type natriuretic peptide (CNP) is highly expressed in male reproductive tissues, such as the epididymis. The aim of this study is to explore the role of CNP in the maturation of rat epididymal spermatozoa. First, the expression levels of CNP and its specific natriuretic peptide receptor-B (NPR-B) were detected in various tissues of rats and epididymis at different stages after birth. Then a castrated rat model was established to analyze the relationship between testosterone and CNP/NPR-B expression in the epididymis. Finally, CNP and different inhibitors (NPR-B inhibitors, cGMP inhibitors) were used to incubate epididymal sperm in vitro to examine sperm mobility and expression of sperm maturation-related factors. The results showed CNP/NPR-B mRNAs were expressed in all tissues of rats, but were extremely highly expressed in male genital ducts (seminal vesicle, prostate and epididymis). The expression of CNP/NPR-B in epididymis was the highest at birth and the fifth week after birth. In the epididymis, CNP/NPR-B were highly expressed in the caput and located in the epididymal epithelial cells. After castration, the expression of CNP/NPR-B decreased sharply and was restored quickly after testosterone supplementation. In vitro, CNP could significantly promote the acquisition of epididymal sperm motility through the NPR-B/cGMP pathway and induce the expression of sperm maturation-related factors (such as Bin1b, Catsper 1, Dnah17, Fertilin). This study shows that CNP plays a role in epididymal sperm maturation. The mechanism of CNP is to promote the acquisition of epididymal sperm fluidity through the NPR-B/cGMP signaling pathway and also to regulate sperm maturation-related genes. Moreover, the expression of CNP/NPR-B was regulated by testosterone.
Collapse
Affiliation(s)
- Hu Zhao
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (H.Z.); (Y.Y.); (C.M.); (T.Z.); (Y.K.); (N.L.)
- Department of Human Anatomy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yuejin Yu
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (H.Z.); (Y.Y.); (C.M.); (T.Z.); (Y.K.); (N.L.)
| | - Chunlei Mei
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (H.Z.); (Y.Y.); (C.M.); (T.Z.); (Y.K.); (N.L.)
| | - Tianyu Zhang
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (H.Z.); (Y.Y.); (C.M.); (T.Z.); (Y.K.); (N.L.)
| | - Yafei Kang
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (H.Z.); (Y.Y.); (C.M.); (T.Z.); (Y.K.); (N.L.)
| | - Na Li
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (H.Z.); (Y.Y.); (C.M.); (T.Z.); (Y.K.); (N.L.)
| | - Donghui Huang
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (H.Z.); (Y.Y.); (C.M.); (T.Z.); (Y.K.); (N.L.)
- Shenzhen Huazhong University of Science and Technology Research Institute, Shenzhen 518063, China
- Correspondence: ; Tel.: +86-188-7226-2607
| |
Collapse
|
3
|
The Mature COC Promotes the Ampullary NPPC Required for Sperm Release from Porcine Oviduct Cells. Int J Mol Sci 2023; 24:ijms24043118. [PMID: 36834527 PMCID: PMC9967908 DOI: 10.3390/ijms24043118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 01/13/2023] [Accepted: 01/27/2023] [Indexed: 02/08/2023] Open
Abstract
Porcine spermatozoa are stored in the oviductal isthmus after natural mating, and the number of spermatozoa is increased in the oviductal ampulla when the mature cumulus-oocyte complexes (COCs) are transferred into the ampulla. However, the mechanism is unclear. Herein, natriuretic peptide type C (NPPC) was mainly expressed in porcine ampullary epithelial cells, whereas its cognate receptor natriuretic peptide receptor 2 (NPR2) was located on the neck and the midpiece of porcine spermatozoa. NPPC increased sperm motility and intracellular Ca2+ levels, and induced sperm release from oviduct isthmic cell aggregates. These actions of NPPC were blocked by the cyclic guanosine monophosphate (cGMP)-sensitive cyclic nucleotide-gated (CNG) channel inhibitor l-cis-Diltiazem. Moreover, porcine COCs acquired the ability to promote NPPC expression in the ampullary epithelial cells when the immature COCs were induced to maturation by epidermal growth factor (EGF). Simultaneously, transforming growth factor-β ligand 1 (TGFB1) levels were dramatically increased in the cumulus cells of the mature COCs. The addition of TGFB1 promoted NPPC expression in the ampullary epithelial cells, and the mature COC-induced NPPC was blocked by the transforming growth factor-β type 1 receptor (TGFBR1) inhibitor SD208. Taken together, the mature COCs promote NPPC expression in the ampullae via TGF-β signaling, and NPPC is required for the release of porcine spermatozoa from the oviduct isthmic cells.
Collapse
|
4
|
Wang Z, Wei H, Wu Z, Zhang X, Sun Y, Gao L, Zhang W, Su YQ, Zhang M. The oocyte cumulus complex regulates mouse sperm migration in the oviduct. Commun Biol 2022; 5:1327. [PMID: 36463362 PMCID: PMC9719508 DOI: 10.1038/s42003-022-04287-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Accepted: 11/21/2022] [Indexed: 12/05/2022] Open
Abstract
As the time of ovulation draws near, mouse spermatozoa move out of the isthmic reservoir, which is a prerequisite for fertilization. However, the molecular mechanism remains unclear. The present study revealed that mouse cumulus cells of oocytes-cumulus complexes (OCCs) expressed transforming growth factor-β ligand 1 (TGFB1), whereas ampullary epithelial cells expressed the TGF-β receptors, TGFBR1 and TGFBR2, and all were upregulated by luteinizing hormone (LH)/human chorionic gonadotropin (hCG). OCCs and TGFB1 increased natriuretic peptide type C (NPPC) expression in cultured ampullae via TGF-β signaling, and NPPC treatment promoted spermatozoa moving out of the isthmic reservoir of the preovulatory oviducts. Deletion of Tgfb1 in cumulus cells and Tgfbr2 in ampullary epithelial cells blocked OCC-induced NPPC expression and spermatozoa moving out of the isthmic reservoir, resulting in compromised fertilization and fertility. Oocyte-derived paracrine factors were required for promoting cumulus cell expression of TGFB1. Therefore, oocyte-dependent and cumulus cell-derived TGFB1 promotes the expression of NPPC in oviductal ampulla, which is critical for sperm migration in the oviduct and subsequent fertilization.
Collapse
Affiliation(s)
- Zhijuan Wang
- grid.79703.3a0000 0004 1764 3838Division of Cell, Developmental and Integrative Biology, School of Medicine, South China University of Technology, Guangzhou, 510006 P. R. China
| | - Hongwei Wei
- grid.79703.3a0000 0004 1764 3838Division of Cell, Developmental and Integrative Biology, School of Medicine, South China University of Technology, Guangzhou, 510006 P. R. China
| | - Zhanying Wu
- grid.79703.3a0000 0004 1764 3838Division of Cell, Developmental and Integrative Biology, School of Medicine, South China University of Technology, Guangzhou, 510006 P. R. China
| | - Xiaodan Zhang
- grid.79703.3a0000 0004 1764 3838Division of Cell, Developmental and Integrative Biology, School of Medicine, South China University of Technology, Guangzhou, 510006 P. R. China
| | - Yanli Sun
- grid.79703.3a0000 0004 1764 3838Division of Cell, Developmental and Integrative Biology, School of Medicine, South China University of Technology, Guangzhou, 510006 P. R. China
| | - Longwei Gao
- grid.79703.3a0000 0004 1764 3838Division of Cell, Developmental and Integrative Biology, School of Medicine, South China University of Technology, Guangzhou, 510006 P. R. China
| | - Wenqing Zhang
- grid.79703.3a0000 0004 1764 3838Division of Cell, Developmental and Integrative Biology, School of Medicine, South China University of Technology, Guangzhou, 510006 P. R. China
| | - You-Qiang Su
- grid.27255.370000 0004 1761 1174Shandong Provincial Key Laboratory of Animal Cells and Developmental Biology, School of Life Sciences, Shandong University, Qingdao, 266237 P. R. China
| | - Meijia Zhang
- grid.79703.3a0000 0004 1764 3838Division of Cell, Developmental and Integrative Biology, School of Medicine, South China University of Technology, Guangzhou, 510006 P. R. China
| |
Collapse
|
5
|
Ebenezer Samuel King JP, Sinha MK, Kumaresan A, Nag P, Das Gupta M, Arul Prakash M, Talluri TR, Datta TK. Cryopreservation process alters the expression of genes involved in pathways associated with the fertility of bull spermatozoa. Front Genet 2022; 13:1025004. [PMID: 36386822 PMCID: PMC9640914 DOI: 10.3389/fgene.2022.1025004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 10/03/2022] [Indexed: 08/22/2023] Open
Abstract
In bovines, cryopreserved semen is used for artificial insemination; however, the fertility of cryopreserved semen is far lower than that of fresh semen. Although cryopreservation alters sperm phenotypic characteristics, its effect on sperm molecular health is not thoroughly understood. The present study applied next-generation sequencing to investigate the effect of cryopreservation on the sperm transcriptomic composition of bull spermatozoa. While freshly ejaculated bull spermatozoa showed 14,280 transcripts, cryopreserved spermatozoa showed only 12,375 transcripts. Comparative analysis revealed that 241 genes were upregulated, 662 genes were downregulated, and 215 genes showed neutral expression in cryopreserved spermatozoa compared to fresh spermatozoa. Gene ontology analysis indicated that the dysregulated transcripts were involved in nucleic acid binding, transcription-specific activity, and protein kinase binding involving protein autophosphorylation, ventricular septum morphogenesis, and organ development. Moreover, the dysregulated genes in cryopreserved spermatozoa were involved in pathways associated with glycogen metabolism, MAPK signalling, embryonic organ morphogenesis, ectodermal placode formation, and regulation of protein auto-phosphorylation. These findings suggest that the cryopreservation process induced alterations in the abundance of sperm transcripts related to potential fertility-associated functions and pathways, which might partly explain the reduced fertility observed with cryopreserved bull spermatozoa.
Collapse
Affiliation(s)
- John Peter Ebenezer Samuel King
- Theriogenology Laboratory, Veterinary Gynaecology and Obstetrics, Southern Regional Station of ICAR-National Dairy Research Institute, Bengaluru, Karnataka
| | - Manish Kumar Sinha
- Theriogenology Laboratory, Veterinary Gynaecology and Obstetrics, Southern Regional Station of ICAR-National Dairy Research Institute, Bengaluru, Karnataka
| | - Arumugam Kumaresan
- Theriogenology Laboratory, Veterinary Gynaecology and Obstetrics, Southern Regional Station of ICAR-National Dairy Research Institute, Bengaluru, Karnataka
| | - Pradeep Nag
- Theriogenology Laboratory, Veterinary Gynaecology and Obstetrics, Southern Regional Station of ICAR-National Dairy Research Institute, Bengaluru, Karnataka
| | - Mohua Das Gupta
- Theriogenology Laboratory, Veterinary Gynaecology and Obstetrics, Southern Regional Station of ICAR-National Dairy Research Institute, Bengaluru, Karnataka
| | - Mani Arul Prakash
- Theriogenology Laboratory, Veterinary Gynaecology and Obstetrics, Southern Regional Station of ICAR-National Dairy Research Institute, Bengaluru, Karnataka
| | - Thirumala Rao Talluri
- Theriogenology Laboratory, Veterinary Gynaecology and Obstetrics, Southern Regional Station of ICAR-National Dairy Research Institute, Bengaluru, Karnataka
| | | |
Collapse
|
6
|
Li N, Dong X, Fu S, Wang X, Li H, Song G, Huang D. C-Type Natriuretic Peptide (CNP) Could Improve Sperm Motility and Reproductive Function of Asthenozoospermia. Int J Mol Sci 2022; 23:ijms231810370. [PMID: 36142279 PMCID: PMC9499393 DOI: 10.3390/ijms231810370] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 08/25/2022] [Accepted: 09/06/2022] [Indexed: 11/16/2022] Open
Abstract
This study is to analyze the effect of C-type natriuretic peptide (CNP) on sperm motility of asthenozoospermia and explore the influence mechanism of CNP on the reproductive system and sperm motility. Our results showed that the concentration of CNP in asthenospermia patients’ semen was lower than in normal people’s. The motility of sperm could be improved markedly by CNP and 8-Br-cGMP, while the effect of CNP was inhibited by NPR-B antagonist and KT5823. In the asthenozoospermia mouse model induced by CTX, CNP injection could improve sperm motility in the epididymis, alleviate tissue damage in the testes and epididymis, and increase testosterone levels. The asthenospermia mouse model showed high activity of MDA and proinflammatory factors (TNF-α, IL-6), as well as low expression of antioxidants (SOD, GSH-Px, CAT) in the testis and epididymis, but this situation could be significantly ameliorated after being treated with CNP. Those studies indicated that the concentration of CNP in the semen of asthenospermia patients is lower than in normal people and could significantly promote sperm motility through the NPR-B/cGMP pathway. In the asthenospermia mouse model induced by CTX, CNP can alleviate the damage of cyclophosphamide to the reproductive system and sperm motility. The mechanism may involve increasing testosterone and reducing ROS and proinflammatory factors to damage the tissue and sperm.
Collapse
Affiliation(s)
- Na Li
- Institute of Reproduction Health Research, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Xinyi Dong
- Institute of Reproduction Health Research, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Sen Fu
- Institute of Reproduction Health Research, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Xiaoyan Wang
- Reproductive Center, Qingdao Women and Children’s Hospital Affiliated to Qingdao University, Qingdao 266034, China
| | - Huaibiao Li
- Institute of Reproduction Health Research, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Ge Song
- NHC Key Laboratory of Male Reproduction and Genetics, Family Planning Research Institute of Guangdong Province, Guangzhou 510006, China
- Correspondence: (G.S.); (D.H.); Tel.: +86-13570493366 (G.S.); +86-18872262607 (D.H.)
| | - Donghui Huang
- Institute of Reproduction Health Research, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
- Shenzhen Huazhong University of Science and Technology Research Institute, Huazhong University of Science and Technology, Shenzhen 518109, China
- Correspondence: (G.S.); (D.H.); Tel.: +86-13570493366 (G.S.); +86-18872262607 (D.H.)
| |
Collapse
|
7
|
Tomasiuk R. N-Terminal Pro-C-Type Natriuretic Peptide: The Novel Marker in Selected Disease Units. Protein Pept Lett 2021; 29:125-132. [PMID: 34823452 DOI: 10.2174/0929866528666211125104944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 09/12/2021] [Accepted: 09/21/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND Amino-terminal pro C type natriuretic peptide (NT proCNP) is the N terminal fragment of the CNP precursor. NT proCNP occurs in an equimolar concentration with CNP in human plasma and is considered to be a marker of the extent of CNP biosynthesis. A recent study has shown associations between plasma NT proCNP and blood pressure; it is also an independent predictor of death and cardiac readmission in people with unstable angina. Beyond that, recent studies have focused on the applicability of assessing NT proCNP peptide levels in the diagnosis of diseases with different etiologies but the same denominator, i.e., inflammation. METHODS This study reviewed recent results on the usability of NT proCNP peptide levels in the diagnosis of diseases accompanied by statistical analysis of previously reported results. RESULTS The data obtained confirmed the applicability of the assessment of NT proCNP levels in biological fluids in diseases, such as Parkinson's disease, sepsis, meningitis, and asthenozoospermia. CONCLUSION The reported results demonstrated that NT-proCNP is helpful in a variety of diseases. Furthermore, changes in serum or CSF levels of NT-proCNP reflect only inflammatory states related to general inflammation. Local inflammation does not trigger an increase in NT proCNP level.
Collapse
Affiliation(s)
- Ryszard Tomasiuk
- Kazimierz Pulaski University of Technology and Humanities Radom, Faculty of Medical Sciences and Health Sciences, Radom. Poland
| |
Collapse
|
8
|
Mei C, Kang Y, Zhang C, He C, Liao A, Huang D. C-Type Natriuretic Peptide Plays an Anti-Inflammatory Role in Rat Epididymitis Induced by UPEC. Front Cell Infect Microbiol 2021; 11:711842. [PMID: 34466404 PMCID: PMC8403061 DOI: 10.3389/fcimb.2021.711842] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Accepted: 07/09/2021] [Indexed: 11/13/2022] Open
Abstract
Human epididymitis is mainly caused by retrograde urinary tract infection with uropathogenic Escherichia coli (UPEC). This disease is an important factor (accounting for 20-30%) causing male infertility. C-type natriuretic peptide (CNP), a protein composed of 22 amino acids, is proved to play an immunoregulatory role in respiratory and cardiovascular systems. CNP is expressed extremely high in the epididymis, but whether CNP plays the same role in acute epididymitis is unclear. At first, we established an acute caput epididymitis model in rats with UPEC and treated them with CNP to measure inflammatory damage. Then RNA-seq transcriptome technology was used to reveal potential signal pathways. Secondly, the turbidity and activity of UPEC were assessed using a microplate reader and the amount of UPEC by agar plates after incubation with CNP. Thirdly, macrophages in caput epididymis were tested by immunohistochemistry (IHC). Meanwhile, lipopolysaccharide (LPS) with or without CNP was used to stimulate the macrophage (RAW264.7) in vitro and to detect the expression level of pro-inflammatory factors. Finally, the macrophage (RAW264.7) was treated with CNP, 8-Br-cGMP [cyclic guanosinc monophosphate (cGMP) analog] and KT5823 [protein kinase G (PKG) inhibitor], and the expression level of nuclear factor-k-gene binding (NF-kB) signal pathway was examined. The results showed that the damage of epididymis induced by UPEC as well as the pro-inflammatory factors could be alleviated significantly with CNP treatment. CNP could inhibit the activity and numbers of bacteria in both in vivo and in vitro experiments. Moreover, CNP repressed the invasion, and the expression of pro-inflammatory factors (such as NF-kB, IL-1β, IL-6, TNF-α) in macrophages and its effect could be inhibited by KT5823. Therefore, we drew a conclusion from the above experiments that CNP alleviates the acute epididymitis injury induced by UPEC. On one hand, CNP could inhibit the growth of UPEC. On the other hand, CNP could decrease invasion and inflammatory reaction of macrophages; the mechanism was involved in inhibiting NF-kB signal pathway through the cGMP/PKG in macrophages. This research would open up the possibility of using CNP as a potential treatment for epididymitis.
Collapse
Affiliation(s)
- Chunlei Mei
- Institute of Reproduction Health Research, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Reproductive Center, Jiangxi Maternal and Child Health Hospital, Nanchang, China
| | - Yafei Kang
- Institute of Reproduction Health Research, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Chenlu Zhang
- Institute of Reproduction Health Research, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Chunyu He
- Institute of Reproduction Health Research, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Aihua Liao
- Institute of Reproduction Health Research, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Donghui Huang
- Institute of Reproduction Health Research, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| |
Collapse
|
9
|
Özbek M, Hitit M, Kaya A, Jousan FD, Memili E. Sperm Functional Genome Associated With Bull Fertility. Front Vet Sci 2021; 8:610888. [PMID: 34250055 PMCID: PMC8262648 DOI: 10.3389/fvets.2021.610888] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Accepted: 05/05/2021] [Indexed: 01/08/2023] Open
Abstract
Bull fertility is an important economic trait in sustainable cattle production, as infertile or subfertile bulls give rise to large economic losses. Current methods to assess bull fertility are tedious and not totally accurate. The massive collection of functional data analyses, including genomics, proteomics, metabolomics, transcriptomics, and epigenomics, helps researchers generate extensive knowledge to better understand the unraveling physiological mechanisms underlying subpar male fertility. This review focuses on the sperm phenomes of the functional genome and epigenome that are associated with bull fertility. Findings from multiple sources were integrated to generate new knowledge that is transferable to applied andrology. Diverse methods encompassing analyses of molecular and cellular dynamics in the fertility-associated molecules and conventional sperm parameters can be considered an effective approach to determine bull fertility for efficient and sustainable cattle production. In addition to gene expression information, we also provide methodological information, which is important for the rigor and reliability of the studies. Fertility is a complex trait influenced by several factors and has low heritability, although heritability of scrotal circumference is high and that it is a known fertility maker. There is a need for new knowledge on the expression levels and functions of sperm RNA, proteins, and metabolites. The new knowledge can shed light on additional fertility markers that can be used in combination with scrotal circumference to predict the fertility of breeding bulls. This review provides a comprehensive review of sperm functional characteristics or phenotypes associated with bull fertility.
Collapse
Affiliation(s)
- Memmet Özbek
- Department of Histology and Embryology, Faculty of Veterinary Medicine, Burdur Mehmet Akif Ersoy University, Burdur, Turkey
| | - Mustafa Hitit
- Department of Genetics, Faculty of Veterinary Medicine, Kastamonu University, Kastamonu, Turkey
| | - Abdullah Kaya
- Department of Artificial Insemination and Reproduction, Faculty of Veterinary Medicine, Selcuk University, Konya, Turkey
| | - Frank Dean Jousan
- Department of Animal and Dairy Sciences, Mississippi State University, Starkville, MS, United States
| | - Erdogan Memili
- Department of Animal and Dairy Sciences, Mississippi State University, Starkville, MS, United States
| |
Collapse
|
10
|
Souto PL, Carmouy LST, Santos C, Martins E, Martins V, Hatamoto-Zervoudakis LK, Murad AM, Mehta A, McManus C, Ramos AF. Seasonal differences in seminal plasma proteins from two bovine breeds adapted to a subtropical climate. Trop Anim Health Prod 2021; 53:61. [PMID: 33389175 DOI: 10.1007/s11250-020-02536-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Accepted: 12/17/2020] [Indexed: 11/26/2022]
Abstract
This study was designed to evaluate the seasonal expression of seminal plasma proteins from two bovine breeds adapted to a subtropical climate and their associations with post-thawing sperm and environmental characteristics. Semen samples were obtained three times in summer and three times in winter from four Crioulo Lageano and four Angus bulls. Seminal plasma was obtained by centrifugation, and the other portion of the semen was cryopreserved. Seminal plasma proteins were identified by 2D-nanoUPLC-MSE. Post-thawing assessments of sperm kinetics, morphology and membrane integrity were performed. Environmental data such as air temperature, air humidity and black globe temperature (BGT) were recorded, and the temperature-humidity index (THI) was calculated in summer and winter. Results showed that the climate varied significantly between seasons. Although no statistical differences were observed in semen quality between breeds, the protein profiles varied within and between seasons. We suggest that the most critical proteins in summer affecting sperm characteristics were TIMP-2, DNase, Clusterin, CFAH and GPx6. TIMP-2 and DNase showed a higher abundance in Crioulo Lageano in comparison with Angus, while Clusterin, CFAH and GPx6 presented a lower abundance. To the best of our knowledge, this is the first report of a recently evolved type of glutathione peroxidase, GPx6, in seminal plasma of bovines. In winter, five proteins were considered to be more critical: BSP1, BSP3, CCL2, Sulfhydryl oxidase and TIMP-2. BSP1 and TIMP-2 showed a lower abundance while BSP3, CCL2 and Sulfhydryl oxidase presented a higher abundance in this season in Crioulo Lageano in comparison with Angus.
Collapse
Affiliation(s)
- Paula Lorena Souto
- Universidade de Brasília, Campus Universitário Darcy Ribeiro, Brasília, 70910-900, Brazil
| | | | - Cristiane Santos
- Embrapa Recursos Genéticos e Biotecnologia, Parque Estação Biológica - PqEB, PO Box 12 02372, Brasília, 70770-917, Brazil
| | - Edison Martins
- Brazilian Association of Crioulo Lageano Cattle Breeders, Rua Presidente Nereu Ramos 7373, Andar 9 Sala 2, Lages, Santa Catarina, 88502-901, Brazil
| | - Vera Martins
- Brazilian Association of Crioulo Lageano Cattle Breeders, Rua Presidente Nereu Ramos 7373, Andar 9 Sala 2, Lages, Santa Catarina, 88502-901, Brazil
| | | | - André Melro Murad
- Embrapa Recursos Genéticos e Biotecnologia, Parque Estação Biológica - PqEB, PO Box 12 02372, Brasília, 70770-917, Brazil
| | - Angela Mehta
- Embrapa Recursos Genéticos e Biotecnologia, Parque Estação Biológica - PqEB, PO Box 12 02372, Brasília, 70770-917, Brazil
| | - Concepta McManus
- Universidade de Brasília, Campus Universitário Darcy Ribeiro, Brasília, 70910-900, Brazil.
| | - Alexandre Floriano Ramos
- Embrapa Recursos Genéticos e Biotecnologia, Parque Estação Biológica - PqEB, PO Box 12 02372, Brasília, 70770-917, Brazil
| |
Collapse
|
11
|
Codognoto VM, Yamada PH, Schmith RA, Rydygier de Ruediger F, de Paula Freitas-Dell'Aqua C, de Souza FF, Brochine S, do Carmo LM, Vieira AF, Oba E. Cross comparison of seminal plasma proteins from cattle and buffalo (Bubalus bubalis). Reprod Domest Anim 2019; 55:81-92. [PMID: 31733131 DOI: 10.1111/rda.13589] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Revised: 10/25/2019] [Accepted: 11/13/2019] [Indexed: 11/27/2022]
Abstract
The objective of this study was to evaluate seminal plasma proteins from cattle and buffalo (Bubalus bubalis), to identify differences between related species. Sixteen buffaloes and 16 cattle between 30 and 60 months of age were used. Semen collection was performed by electroejaculation, followed by macroscopic and microscopic subjective analyses. After analysis, the samples were centrifuged at 800 g for 10 min, and the supernatant (seminal plasma) was recentrifuged at 10,000 g for 30 min at 4°C. The total protein concentration was determined by the Bradford method, and the proteins were digested in solution for mass spectrometry (nLC-MS/MS). Multivariate statistical analysis was used to evaluate the proteomics results by non-hierarchical clustering the considering exponentially modified protein abundance index (emPAI). Principal component analysis (PCA) and partial least squares discriminant analysis (PLS-DA) were used for clustering. Proteomics identified 78 proteins, and multivariate analysis showed 4 that were over-expressed in buffaloes (cystatin C, prosaposin, peptide YY and keratin type II cytoskeletal 5) and 9 in cattle (spermadhesin-1, seminal plasma protein PDC-109, ribonuclease 4, metalloproteinase inhibitor 2, acrosin inhibitor 1, seminal ribonuclease, C-type natriuretic peptide, angiogenin-1 and osteopontin). Among the proteins identified in seminal plasma, the C-type natriuretic peptide and metalloproteinase inhibitors were described for the first time in buffaloes. Some protease inhibitors were found over-expressed in buffaloes, and important proteins in seminal plasma of cattle were not identified or were found at lower expression levels in buffaloes, which can contribute to reproductive performance in this species.
Collapse
Affiliation(s)
- Viviane Maria Codognoto
- Department of Animal Reproduction and Veterinary Radiology, School of Veterinary Medicine and Animal Science (FMVZ), São Paulo State University (UNESP), Botucatu, Brazil
| | - Paulo Henrique Yamada
- Department of Animal Reproduction and Veterinary Radiology, School of Veterinary Medicine and Animal Science (FMVZ), São Paulo State University (UNESP), Botucatu, Brazil
| | - Rúbia Alves Schmith
- Department of Animal Reproduction and Veterinary Radiology, School of Veterinary Medicine and Animal Science (FMVZ), São Paulo State University (UNESP), Botucatu, Brazil
| | - Felipe Rydygier de Ruediger
- Department of Animal Reproduction and Veterinary Radiology, School of Veterinary Medicine and Animal Science (FMVZ), São Paulo State University (UNESP), Botucatu, Brazil
| | - Camila de Paula Freitas-Dell'Aqua
- Department of Animal Reproduction and Veterinary Radiology, School of Veterinary Medicine and Animal Science (FMVZ), São Paulo State University (UNESP), Botucatu, Brazil
| | - Fabiana Ferreira de Souza
- Department of Animal Reproduction and Veterinary Radiology, School of Veterinary Medicine and Animal Science (FMVZ), São Paulo State University (UNESP), Botucatu, Brazil
| | - Suzane Brochine
- Department of Animal Reproduction and Veterinary Radiology, School of Veterinary Medicine and Animal Science (FMVZ), São Paulo State University (UNESP), Botucatu, Brazil
| | - Lucas Monteiro do Carmo
- Department of Animal Reproduction and Veterinary Radiology, School of Veterinary Medicine and Animal Science (FMVZ), São Paulo State University (UNESP), Botucatu, Brazil
| | - Andressa Filaz Vieira
- Department of Animal Reproduction and Veterinary Radiology, School of Veterinary Medicine and Animal Science (FMVZ), São Paulo State University (UNESP), Botucatu, Brazil
| | - Eunice Oba
- Department of Animal Reproduction and Veterinary Radiology, School of Veterinary Medicine and Animal Science (FMVZ), São Paulo State University (UNESP), Botucatu, Brazil
| |
Collapse
|
12
|
Zhang Y, Chiu YL, Chen CJ, Ho YY, Shinzato C, Shikina S, Chang CF. Discovery of a receptor guanylate cyclase expressed in the sperm flagella of stony corals. Sci Rep 2019; 9:14652. [PMID: 31601940 PMCID: PMC6787079 DOI: 10.1038/s41598-019-51224-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Accepted: 09/16/2019] [Indexed: 12/27/2022] Open
Abstract
The receptor guanylate cyclases (rGCs) in animals serve as sensitive chemoreceptors to detect both chemical and environmental cues. In reproduction, rGCs were shown to be expressed on sperm and serve as receptors for egg-derived sperm-activating and sperm-attracting factors in some echinoderms and mammals. However, sperm-associated rGCs have only been identified in some deuterostomes thus far, and it remains unclear how widely rGCs are utilized in metazoan reproduction. To address this issue, this study investigated the existence and expression of rGCs, particularly asking if rGCs are involved in the reproduction of a basal metazoan, phylum Cnidaria, using the stony coral Euphyllia ancora. Six paralogous rGCs were identified from a transcriptome database of E. ancora, and one of the rGCs, GC-A, was shown to be specifically expressed in the testis. Immunohistochemical analyses demonstrated that E. ancora GC-A protein was expressed in the spermatocytes and spermatids and eventually congregated on the sperm flagella during spermatogenesis. These findings suggest that GC-A may be involved in the regulation of sperm activity and/or functions (e.g., fertilization) in corals. This study is the first to perform molecular characterization of rGCs in cnidarians and provides evidence for the possible involvement of rGCs in the reproduction of basal metazoans.
Collapse
Affiliation(s)
- Yan Zhang
- Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung, 20224, Taiwan
| | - Yi-Ling Chiu
- Doctoral Program in Marine Biotechnology, National Taiwan Ocean University, Keelung, 20224, Taiwan.,Doctoral Program in Marine Biotechnology, Academia Sinica, Taipei, 11529, Taiwan
| | - Chieh-Jhen Chen
- Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung, 20224, Taiwan
| | - Yu-Ying Ho
- Department of Aquaculture, National Taiwan Ocean University, Keelung, 20224, Taiwan
| | - Chuya Shinzato
- Atmosphere and Ocean Research Institute, The University of Tokyo, Chiba, 277-8564, Japan
| | - Shinya Shikina
- Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung, 20224, Taiwan. .,Institute of Marine Environment and Ecology, National Taiwan Ocean University, Keelung, 20224, Taiwan.
| | - Ching-Fong Chang
- Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung, 20224, Taiwan. .,Department of Aquaculture, National Taiwan Ocean University, Keelung, 20224, Taiwan.
| |
Collapse
|
13
|
Jeong JU, Nam TK, Song JY, Yoon MS, Ahn SJ, Chung WK, Cho IJ, Kim YH, Cho SH, Jung SI, Kwon DD. Prognostic significance of lymphovascular invasion in patients with prostate cancer treated with postoperative radiotherapy. Radiat Oncol J 2019; 37:215-223. [PMID: 31591870 PMCID: PMC6790794 DOI: 10.3857/roj.2019.00332] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Accepted: 08/14/2019] [Indexed: 11/18/2022] Open
Abstract
Purpose To determine prognostic significance of lymphovascular invasion (LVI) in prostate cancer patients who underwent adjuvant or salvage postoperative radiotherapy (PORT) after radical prostatectomy (RP) Materials and Methods A total of 168 patients with prostate cancer received PORT after RP, with a follow-up of ≥12 months. Biochemical failure after PORT was defined as prostate-specific antigen (PSA) ≥0.2 ng/mL after PORT or initiation of androgen deprivation therapy (ADT) for increasing PSA levels regardless of the value. We analyzed the clinical outcomes including survivals, failure patterns, and prognostic factors affecting the outcomes. Results In total, 120 patients (71.4%) received salvage PORT after PSA levels were >0.2 ng/mL or owing to clinical failure. The 5-year biochemical failure-free survival (BCFFS), clinical failure-free survival (CFFS), distant metastasis-free survival (DMFS), overall survival, and cause-specific survival rates were 78.3%, 94.3%, 95.0%, 95.8%, and 97.3%, respectively, during a follow-up range of 12–157 months (median: 64 months) after PORT. On multivariate analysis, PSA level of ≤1.0 ng/mL at the time of receiving PORT predicted favorable BCFFS, CFFS, and DMFS. LVI predicted worse CFFS (p = 0.004) and DMFS (p = 0.015). Concurrent and/or adjuvant ADT resulted in favorable prognosis for BCFFS (p < 0.001) and CFFS (p = 0.017). Conclusion For patients with adverse pathologic findings, PORT should be initiated as early as possible after continence recovery after RP. Even after administering PORT, LVI was an unfavorable predictive factor, and further intensive adjuvant therapy should be considered for these patients.
Collapse
Affiliation(s)
- Jae-Uk Jeong
- Department of Radiation Oncology, Chonnam National University Hwasun Hospital, Chonnam National University Medical School, Hwasun, Korea
| | - Taek-Keun Nam
- Department of Radiation Oncology, Chonnam National University Hwasun Hospital, Chonnam National University Medical School, Hwasun, Korea
| | - Ju-Young Song
- Department of Radiation Oncology, Chonnam National University Hwasun Hospital, Chonnam National University Medical School, Hwasun, Korea
| | - Mee Sun Yoon
- Department of Radiation Oncology, Chonnam National University Hwasun Hospital, Chonnam National University Medical School, Hwasun, Korea
| | - Sung-Ja Ahn
- Department of Radiation Oncology, Chonnam National University Hwasun Hospital, Chonnam National University Medical School, Hwasun, Korea
| | - Woong-Ki Chung
- Department of Radiation Oncology, Chonnam National University Hwasun Hospital, Chonnam National University Medical School, Hwasun, Korea
| | - Ick Joon Cho
- Department of Radiation Oncology, Chonnam National University Hwasun Hospital, Chonnam National University Medical School, Hwasun, Korea
| | - Yong-Hyub Kim
- Department of Radiation Oncology, Chonnam National University Hwasun Hospital, Chonnam National University Medical School, Hwasun, Korea
| | - Shin Haeng Cho
- Department of Radiation Oncology, Chonnam National University Hwasun Hospital, Chonnam National University Medical School, Hwasun, Korea
| | - Seung Il Jung
- Department of Urology, Chonnam National University Hwasun Hospital, Chonnam National University Medical School, Hwasun, Korea
| | - Dong Deuk Kwon
- Department of Urology, Chonnam National University Hwasun Hospital, Chonnam National University Medical School, Hwasun, Korea
| |
Collapse
|
14
|
Wu K, Mei C, Chen Y, Guo L, Yu Y, Huang D. C-type natriuretic peptide regulates sperm capacitation by the cGMP/PKG signalling pathway via Ca 2+ influx and tyrosine phosphorylation. Reprod Biomed Online 2019; 38:289-299. [PMID: 30655075 DOI: 10.1016/j.rbmo.2018.11.025] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Revised: 11/21/2018] [Accepted: 11/23/2018] [Indexed: 12/13/2022]
Abstract
RESEARCH QUESTION What is the effect of C-type natriuretic peptide (CNP) on human sperm capacitation in vitro and what is the mechanism of this effect? DESIGN CNP/NPR-B expression in the female rat genital tract was examined by immunohistochemistry and western blot assay, and then the role of CNP in human sperm capacitation was determined. The signal transduction pathway of CNP in the process was determined to elucidate the regulation mechanism of CNP by enzyme-linked immunosorbent assay and flow cytometry. RESULTS Both CNP and NPR-B were expressed in the genital tract of female rats, especially in the mucosa epithelium cell of the oviduct; the CNP level in the rat oviduct was higher than that in the cervix. Both CNP and NPR-B level in the rat oviduct varied during the oestrus cycle, maximal expression being observed at proestrus. Furthermore, intracellular cGMP level in spermatozoa was significantly enhanced by CNP (P < 0.01). PKG activity was detected in the spermatozoa, and it can be activated by the CNP and 8-Br-cGMP (cGMP analogue). The PKG inhibitor KT5823 inhibited the effect of CNP on sperm hyperactivation and the acrosome reaction. Finally, Ca2+ and tyrosine phosphorylation levels in spermatozoa were markedly improved by CNP and 8-Br-cGMP but significantly inhibited by the addition of KT5823 (P < 0.05). CONCLUSIONS CNP secreted by the female genital tract might bind to NPR-B on the spermatozoa. It successively stimulated intracellular cGMP/PKG signalling, increased Ca2+ and tyrosine-phosphorylated proteins, promoted hyperactivation and induced the acrosome reaction, which ultimately facilitated sperm capacitation.
Collapse
Affiliation(s)
- Kejia Wu
- Family Planning Research Institute, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Zhongnan Hospital, Wuhan University, Wuhan 430071, China
| | - Chunlei Mei
- Family Planning Research Institute, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yao Chen
- Family Planning Research Institute, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Reproductive Medicine Centre of Jingzhou Central Hospital, Jingzhou 434000, China
| | - Lidan Guo
- Family Planning Research Institute, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yuejin Yu
- Family Planning Research Institute, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Donghui Huang
- Family Planning Research Institute, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China.
| |
Collapse
|
15
|
Proteomic landscape of seminal plasma associated with dairy bull fertility. Sci Rep 2018; 8:16323. [PMID: 30397208 PMCID: PMC6218504 DOI: 10.1038/s41598-018-34152-w] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Accepted: 09/18/2018] [Indexed: 12/19/2022] Open
Abstract
Male fertility is the ability of sperm to fertilize the egg and sustain embryo development. Several factors determine the fertilizing capacity of mammalian sperm, including those intrinsic to sperm and components of the seminal plasma. The present study analyzed the seminal fluid proteome of Bos taurus and potential associations between proteins and fertility scores. Mass spectrometry coupled with nano HPLC allowed the identification of 1,159 proteins in the dairy bull seminal plasma. There were 50 and 29 seminal proteins more abundant in high (HF) low fertility (LF) bulls, respectively. Based on multivariate analysis, C-type natriuretic peptide, TIMP-2, BSP5 and sulfhydryl oxidase indicated relationship with HF bulls. Clusterin, tissue factor pathway inhibitor 2, galectin-3-binding protein and 5′-nucleotidase were associated with LF bulls. Abundance of NAD(P)(+)-arginine ADP-ribosyltransferase, prosaposin and transmembrane protein 2 proteins had the highest positive correlations with fertility ranking. Quantities of vitamin D-binding protein, nucleotide exchange factor SIL1 and galectin-3-binding protein showed the highest negative correlations with fertility ranking. A fertility ranking score was calculated and the relationship with these proteins was significant (Spearman’s rho = 0.94). The present findings represent a major and novel contribution to the study of bovine seminal proteins. Indicators of fertility can be used to improve reproductive biotechnologies.
Collapse
|
16
|
Yang L, Lei L, Zhao Q, Gong Y, Guan G, Huang S. C-Type Natriuretic Peptide/Natriuretic Peptide Receptor 2 Is Involved in Cell Proliferation and Testosterone Production in Mouse Leydig Cells. World J Mens Health 2018; 37:186-198. [PMID: 30358184 PMCID: PMC6479080 DOI: 10.5534/wjmh.180041] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Revised: 09/10/2018] [Accepted: 09/10/2018] [Indexed: 01/05/2023] Open
Abstract
Purpose This study investigated the role of natriuretic peptide receptor 2 (NPR2) on cell proliferation and testosterone secretion in mouse Leydig cells. Materials and Methods Mouse testis of different postnatal stages was isolated to detect the expression C-type natriuretic peptide (CNP) and its receptor NPR2 by quantitative reverse transcription polymerase chain reaction (RT-qPCR). Leydig cells isolated from mouse testis were cultured and treated with shNPR2 lentiviruses or CNP. And then the cyclic guanosine monophosphate production, testosterone secretion, cell proliferation, cell cycle and cell apoptosis in mouse Leydig cells were analyzed by ELISA, RT-qPCR, Cell Counting Kit-8, and flow cytometry. Moreover, the expression of NPR2, cell cycle, apoptosis proliferation and cell cycle related gene were detected by RT-qPCR and Western blot. Results Knockdown of NPR2 by RNAi resulted in S phase cell cycle arrest, cell apoptosis, and decreased testosterone secretion in mouse Leydig cells. Conclusions Our study provides more evidences to better understand the function of CNP/NPR2 pathway in male reproduction, which may help us to treat male infertility.
Collapse
Affiliation(s)
- Lei Yang
- College of Basic Medical Science, Jiujiang, China.,Key Laboratory of System Bio-medicine of Jiangxi Province, Jiujiang University, Jiujiang, China.
| | - Lanjie Lei
- Clinical Skills Center, Affiliated Hospital of Jiujiang University, Jiujiang, China
| | - Qihan Zhao
- College of Basic Medical Science, Jiujiang, China
| | - Ying Gong
- College of Basic Medical Science, Jiujiang, China.,Key Laboratory of System Bio-medicine of Jiangxi Province, Jiujiang University, Jiujiang, China
| | - Gaopeng Guan
- Clinical Skills Center, Affiliated Hospital of Jiujiang University, Jiujiang, China.,Key Laboratory of System Bio-medicine of Jiangxi Province, Jiujiang University, Jiujiang, China
| | | |
Collapse
|
17
|
Zhao H, Zhu C, Huang D. Microglial activation: an important process in the onset of epilepsy. Am J Transl Res 2018; 10:2877-2889. [PMID: 30323874 PMCID: PMC6176224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Accepted: 07/28/2018] [Indexed: 06/08/2023]
Abstract
This study aimed to investigate the effects of microglial activation on the onset of epilepsy. Microglias cultured in vitro were stimulated with different concentrations of coriaria lactone (CL), and the effects on cell cycle and apoptosis were examined using flow cytometry. Then microglia were stimulated with 5×10-5 mol/L CL, and levels of cyclin D1 and interleukin-1β (IL-1β) mRNA were measured by fluorescence quantitative PCR; tumor necrosis factor-α (TNF-α) and interleukin-1β (IL-1β) in supernatant were detected by radioimmunoassay. Finally, microglia-conditioned medium (MCM) obtained after various durations of CL treatment was infused into rat lateral ventricle, and rat behavior was observed and cortical electroencephalograms (EEGs) were recorded. Immunofluorescence staining was used to measure glutamate content in the rat cerebral cortex and hippocampus. Compared with the cell cycle phase distribution in the control group, the percentage of CL-treated cultured microglia in G0/G1 phase was significantly lower, while the percentages of microglia in S phase and G2/M phases were significantly higher. CL increased the gene expression of cyclin D1 and the secretion of TNF-α and IL-1β. Epileptic seizures were induced in rats after intraventricular injection with MCM from CL-treated cells, with animals showing bilateral beard shaking and forelimb tremor. EEGs from these animals exhibited epileptiform waveforms (such as spike waves, sharp waves and spike-slow waves), and glutamate content in the cerebral cortex and hippocampus was significantly increased. CL may therefore activate microglia by promoting proliferation and upregulation of cell factor (e.g., cyclin D1, TNF-α and IL-1β) expression. We have shown that CL-treated MCM can induce the onset of epilepsy in rats in vivo, and its mechanism of action may involve the upregulation of glutamate expression. In summary, microglial activation is an important link in the pathogenesis of the onset of epilepsy.
Collapse
Affiliation(s)
- Hu Zhao
- Department of Human Anatomy, Tongji Medical College, Huazhong University of Science and TechnologyWuhan 430030, China
| | - Changgeng Zhu
- Department of Human Anatomy, Tongji Medical College, Huazhong University of Science and TechnologyWuhan 430030, China
| | - Donghui Huang
- Family Planning Research Institute, Tongji Medical College, Huazhong University of Science and TechnologyWuhan 430030, China
| |
Collapse
|
18
|
Tomasiuk R, Faundez R, Cacko M, Mikaszewska-Sokolewicz M, Cacko A, Rabijewski M. NT-proCNP as a new indicator of asthenozoospermia. Adv Med Sci 2017; 62:74-77. [PMID: 28189122 DOI: 10.1016/j.advms.2016.04.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2015] [Revised: 03/07/2016] [Accepted: 04/15/2016] [Indexed: 11/17/2022]
Abstract
PURPOSE C-type natriuretic peptide (CNP) is a proinflammatory peptide. The highest concentration of CNP is found in male reproductive organs. This study aims to analyze the role of N-terminal C-type natriuretic propeptide (NT-proCNP) as a new indicator of asthenozoospermia. MATERIAL/METHODS Semen was collected after 3-5 days of sexual abstinence from 86 men. The participants were between 25 and 38 years old, 51 of which had asthenozoospermia and 35 of which had normal sperm motility. Semen was analyzed for the concentrations of NT-proCNP, spermatozoa, percentages of live sperm, and sperm exhibiting a specific type of movement. The laboratory tests and analyses were performed using accepted methods and under appropriate conditions. RESULTS A significant difference in the concentration and motility of spermatozoa was observed between the focus and control groups. The concentration of spermatozoa in the focus group was significantly lower than in the control group (median: 38.5 vs. 69.8mln/ml [p=0.016] respectively). The progressive motility of spermatozoa demonstrated a significantly lower performance in the focus group than in the control group (median: 10.4% vs. 45% respectively). The concentration of NT-proCNP was significantly higher in the focus group (median: 29.1 vs. 17.9pmol/l; p<0.001). The Area under the Receiver Operating Characteristic (AUROC) curve for the concentration of NT-proCNP - as an indicator of asthenozoospermia - was 0.733. Participants with a concentration of NT-proCNP higher than 28.8pmol/l had asthenozoospermia with 52.9% sensitivity and 94.3% specificity. CONCLUSIONS NT-proCNP - an indicator of inflammatory reaction - should be evaluated as an indicator of asthenozoospermia.
Collapse
Affiliation(s)
- Ryszard Tomasiuk
- Department of Laboratory Diagnostics, Mazovian Bródno Hospital in Warsaw, Warsaw, Poland
| | - Ricardo Faundez
- European Centre of Motherhood - InviMed Warsaw, Warsaw, Poland
| | - Marek Cacko
- Department of Nuclear Medicine, Mazovian Bródno Hospital in Warsaw, Warsaw, Poland.
| | | | - Andrzej Cacko
- I Department of Cardiology, Medical University of Warsaw, Warsaw, Poland; Department of Medical Informatics and Telemedicine, Medical University of Warsaw, Warsaw, Poland
| | - Michał Rabijewski
- Department of Internal Medicine, Diabetology and Endocrinology, Medical University of Warsaw, Warsaw, Poland
| |
Collapse
|
19
|
Kong N, Xu X, Zhang Y, Wang Y, Hao X, Zhao Y, Qiao J, Xia G, Zhang M. Natriuretic peptide type C induces sperm attraction for fertilization in mouse. Sci Rep 2017; 7:39711. [PMID: 28054671 PMCID: PMC5214687 DOI: 10.1038/srep39711] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2016] [Accepted: 11/25/2016] [Indexed: 12/23/2022] Open
Abstract
Mammalian spermatozoa undergo selective movement along the isthmus of the oviduct to the ampulla during ovulation, which is a prerequisite for fertilization. The factor(s) that involves in selective spermatozoa movement is still unknown. In this study, we found that the oviductal epithelium in mouse ampulla expressed high levels of natriuretic peptide type C (NPPC) in the presence of ovulated oocyte-cumulus complexes (OCCs). Spermatozoa expressed NPPC receptor natriuretic peptide receptor 2 (NPR2, a guanylyl cyclase) on the midpiece of flagellum. NPPC increased intracellular levels of cGMP and Ca2+ of spermatozoa, and induced sperm accumulation in the capillary by attraction. Importantly, spermatozoa from Npr2 mutant mice were not attracted by NPPC, preventing fertilization in vivo. Oocyte-derived paracrine factors promoted the expression of Nppc mRNA in the ampulla. Therefore, NPPC secreted by oviductal ampulla attracts spermatozoa towards oocytes, which is essential for fertilization.
Collapse
Affiliation(s)
- Nana Kong
- State Key Laboratory for Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Xiaoting Xu
- State Key Laboratory for Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Yu Zhang
- State Key Laboratory for Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Yakun Wang
- State Key Laboratory for Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Xiaoqiong Hao
- State Key Laboratory for Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Yu Zhao
- State Key Laboratory for Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Jie Qiao
- Department of Obstetrics and Gynecology, Reproductive Medical Center, Peking University Third Hospital, Beijing 100191, China
| | - Guoliang Xia
- State Key Laboratory for Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Meijia Zhang
- State Key Laboratory for Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing 100193, China
| |
Collapse
|