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Kumar K, Dutta M, Deori S, Abedin SN, Gupta MD, Sinha S, Shome A, Rongmei SD, Tamuly S, Hazarika G, Borah P. Association between levels of insulin-like growth factor-1 in serum and seminal plasma with fresh and frozen-thawed semen characteristics in Beetal bucks. Reprod Domest Anim 2024; 59:e14499. [PMID: 37917557 DOI: 10.1111/rda.14499] [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: 07/26/2023] [Revised: 10/10/2023] [Accepted: 10/18/2023] [Indexed: 11/04/2023]
Abstract
The aim of this study was to investigate the relationship between the levels of insulin-like growth factor-1 (IGF-1) in serum and seminal plasma and the characteristics of semen in Beetal bucks (Capra hircus). A total of 12 adult Beetal bucks were involved in the study, with each buck providing six ejaculates collected using a standard artificial vagina (n = 72 total). Only qualified semen samples (volume of 0.7 mL, a mass motility rating of 3+ or higher on a 0-+ scale, and individual progressive motility of 80% or more) divided into three fractions were processed for estimation of IGF-1 and other seminal parameters like motility, viability, acrosome integrity, sperm abnormality and superoxide dismutase (SOD) activity. The first and second fraction were diluted and extended with Optixcell extender (1:15 ratio). The first ejaculate fraction was processed for studying fresh semen parameters and the second fraction was cryopreserved for evaluating frozen semen parameters. French mini straws (0.25 mL) were used for semen filling, and polyvinyl alcohol powder of different colours was used for sealing the extended semen. The third fraction of each ejaculate was centrifuged at room temperature (1100 × g for 7 min) to separate the seminal plasma. Additionally, blood samples were taken from each buck on the same day as semen collection, resulting in a total of 36 blood samples. The results revealed a significant positive correlation (r = .4243; p < .05) between the concentration of IGF-1 in both serum and seminal plasma of the Beetal bucks. Furthermore, the concentration of IGF-1 in serum showed significant positive correlations with sperm viability (r = .554; p < .05), acrosome integrity (r = .527; p < .05), post-thaw sperm motility (r = .407; p < .01), post-thaw sperm viability (r = .426; p < .01) and post-thaw acrosome integrity (r = .333; p < .05). However, it had a significant negative correlation with SOD activity in fresh semen (r = -0.458; p < .01). Moreover, the concentration of IGF-1 in seminal plasma demonstrated significant positive correlations with individual progressive motility (r = .341; p < .05), sperm viability (r = .527; p < .05), acrosome integrity (r = .539; p < .05), sperm plasma membrane integrity (r = .464; p < .05), post-thaw sperm motility (r = .644; p < .01), post-thaw sperm viability (r = .643; p < .01), post-thaw acrosome integrity (r = .487; p < .01) and post-thaw sperm plasma membrane integrity (r = .521; p < .01). Additionally, it showed a significant negative correlation with SOD activity in both fresh semen (r = -0.714; p < .01) and frozen semen (r = -0.558; p < .01) of Beetal bucks. Based on these findings, IGF-1 in seminal plasma can be considered as a potential biomarker for the selection of bucks for breeding purposes.
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Affiliation(s)
- Keshav Kumar
- Department of Animal Reproduction, Gynaecology and Obstetrics, College of Veterinary Science, Assam Agricultural University, Guwahati, India
| | - Mitali Dutta
- Department of Animal Reproduction, Gynaecology and Obstetrics, College of Veterinary Science, Assam Agricultural University, Guwahati, India
| | - Sourabh Deori
- Division of Animal and Fisheries Science, Indian Council of Agricultural Research (ICAR) Complex for North Eastern Hill (NEH) Region, Umiam, India
| | - Sayed Nabil Abedin
- Division of Animal and Fisheries Science, Indian Council of Agricultural Research (ICAR) Complex for North Eastern Hill (NEH) Region, Umiam, India
| | - Mohua Das Gupta
- Department of Animal Reproduction, Gynaecology and Obstetrics, College of Veterinary Science, Assam Agricultural University, Guwahati, India
| | - Sudip Sinha
- Department of Animal Reproduction, Gynaecology and Obstetrics, College of Veterinary Science, Assam Agricultural University, Guwahati, India
| | - Arijit Shome
- Department of Veterinary Biochemistry, College of Veterinary Science, Assam Agricultural University, Guwahati, India
| | - Soihem Diana Rongmei
- Department of Animal Reproduction, Gynaecology and Obstetrics, College of Veterinary Science, Assam Agricultural University, Guwahati, India
| | - Shantanu Tamuly
- Department of Veterinary Biochemistry, College of Veterinary Science, Assam Agricultural University, Guwahati, India
| | - Girin Hazarika
- Department of Animal Biotechnology, College of Veterinary Science, Assam Agricultural University, Guwahati, India
| | - Pranjal Borah
- Department of Animal Reproduction, Gynaecology and Obstetrics, College of Veterinary Science, Assam Agricultural University, Guwahati, India
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Ahmed H, Jahan S, Ijaz MU, Riaz M, Ullah F. Relaxin (a regulatory-peptide) enhances cryotolerance, fertility potential and plasma reproductive hormones of Nili Ravi buffalo (Bubalus bubalis) during low breeding season. Res Vet Sci 2023; 164:104996. [PMID: 37688902 DOI: 10.1016/j.rvsc.2023.104996] [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: 07/06/2023] [Revised: 08/11/2023] [Accepted: 08/15/2023] [Indexed: 09/11/2023]
Abstract
This study investigated the beneficial effects of relaxin on cryotolerance of buffalo spermatozoa and reproductive hormones during low breeding season. Collected semen was diluted in five aliquots with relaxin addition (0.25 mg/mL, 0.50 mg/mL, 0.75 mg/mL, 1 mg/mL, and control). After gentle dilution (37°C), cooling (4°C, 2 h), equilibration (4°C, 4 h), and packaging (straws, polyvinyl French, 0.5 mL), frozen (cell freezer), and thawed (37°C, 30 s) for analysis. Blood samples were collected at different time intervals i.e., -60, -30 and 0 min (pre-dose) and 30, 60, 90, 120 and 150 min (post-dose) from a jugular vein. This study manifest that adding relaxin (1 mg/ mL) in freezing medium ameliorates sperm motility, functionality (%), and seminal plasma total antioxidant capacity (TAC, μM/L) than control during low breeding season. Furthermore, we found that relaxin supplementation at 1 mg/mL significantly improves seminal plasma ATP concentrations (nmol/million) than control, 0.25 mg/mL, and 0.50 mg/mL, and fertility (control, and 0.75 mg/mL). Further, relaxin injection significantly improves plasma T, LH and IGF-1 levels (150 and 120 min vs. -60, and - 30), and FSH, KP, and GnRH concentrations (150 min vs. -60), during low breeding season. Taken together, this study revealed that relaxin ameliorates motility, functionality, and fertility of buffalo spermatozoa. Moreover, relaxin injection (1 mg/mL) improves essential reproductive hormones levels in buffalo signifying its importance in the field of reproductive physiology. Further studies are required to determine the exact mechanism of action of relaxin in enhancing semen quality, fertility and reproductive hormones.
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Affiliation(s)
- Hussain Ahmed
- Reproductive Physiology Laboratory, Department of Animal Sciences, Quaid-i-Azam University (QAU), Islamabad, Pakistan; Department of Zoology, University of Buner, Khyber Pakhtunkhwa (KP), Pakistan.
| | - Sarwat Jahan
- Department of Zoology, University of Buner, Khyber Pakhtunkhwa (KP), Pakistan
| | - Muhammad Umar Ijaz
- Department of Zoology, Wildlife and Fisheries, University of Agriculture, Faisalabad, Pakistan
| | - Mehreen Riaz
- Department of Zoology, Women University Swabi, KP, Pakistan
| | - Farhad Ullah
- Department of Zoology, Islamia College University Peshawar, KP, Pakistan
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Almadaly EA, Abdel-Salam ABS, Sahwan FM, Kahilo KA, Abouzed TK, El-Domany WB. Fertility-associated biochemical components in seminal plasma and serum of buffalo ( Bubalus bubalis) bulls. Front Vet Sci 2023; 9:1043379. [PMID: 36733430 PMCID: PMC9888494 DOI: 10.3389/fvets.2022.1043379] [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: 09/13/2022] [Accepted: 12/23/2022] [Indexed: 01/18/2023] Open
Abstract
The present study looks for components in seminal plasma (SP) and/or serum that are closely related to in vivo fertility of buffalo bulls. Fourteen healthy mature buffalo bulls were classified according to their in vivo fertility into fertile (n = 10) and subfertile (n = 4) groups. Semen and serum samples were collected from all animals for 12 replicates. The collected ejaculates were examined for sperm characteristics before being centrifuged to collect SP for hormonal (FSH, LH, testosterone, and IGF-1), biochemical [total antioxidant capacity (TAC), catalase (CAT), glutathione peroxidase (GPx), nitric oxide (NO), malondialdehyde (MDA), fructose, total protein, albumin, triglycerides, cholesterol, and high-density lipoprotein (HDL)] and proteomic (SDS-PAGE) analyses. Likewise, serum levels of FSH, LH, testosterone, IGF-1, glucose, total protein, albumin, triglycerides, cholesterol, and HDL were determined. All sperm characteristics and the majority of sperm kinematics were (P < 0.01) different between fertile and subfertile groups. Seminal and serum levels of FSH, LH, testosterone, and IGF-1 were higher (P < 0.01) in the fertile group, but only seminal fructose, total protein, albumin, triglycerides, cholesterol, and HDL were higher (P < 0.01) in the fertile group. Moreover, the fertile group had greater TAC, CAT, GPx, and NO, but the subfertile group had greater MDA. Protein bands of 14, 15, 26, 30, and 55 kDa were larger and denser in the SP of the fertile group but were smaller and faint to absent in that of the subfertile group. Also, the protein fractions of detected protein bands demonstrated a substantial influence of fertility on those of 16, 26, 30, and 55 kDa. In conclusion, sperm characteristics and kinematics with serum, and/or seminal hormonal and biochemical components, should be evaluated for reliable prediction of buffalo bull fertility. Furthermore, protein bands of 26, 30, and 55 kDa may represent fertility-associated proteins in buffalo bull SP.
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Affiliation(s)
- Essam A. Almadaly
- Department of Theriogenology, Faculty of Veterinary Medicine, Kafrelsheikh University, Kafr El-Sheikh, Egypt,*Correspondence: Essam A. Almadaly ✉ ; ✉
| | | | - Ferial M. Sahwan
- Animal Breeding and Production, Animal Husbandry and Animal Wealth Development Department, Faculty of Veterinary Medicine, Alexandria University, Alexandria, Egypt
| | - Khaled A. Kahilo
- Department of Biochemistry, Faculty of Veterinary Medicine, Kafrelsheikh University, Kafr El-Sheikh, Egypt
| | - Tarek K. Abouzed
- Department of Biochemistry, Faculty of Veterinary Medicine, Kafrelsheikh University, Kafr El-Sheikh, Egypt
| | - Wael B. El-Domany
- Department of Theriogenology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
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Almadaly EA, Ibrahim IM, Salama MS, Ashour MA, Sahwan FM, El-Kon II, Abouzed TK, El-Domany WB. Effect of platelet-rich plasma (PRP) on post-thaw quality, kinematics and in vivo fertility of fertile and subfertile buffalo (Bubalus bubalis) spermatozoa. Vet Res Commun 2023; 47:61-72. [PMID: 35451670 DOI: 10.1007/s11259-022-09928-1] [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: 12/15/2021] [Accepted: 04/12/2022] [Indexed: 01/27/2023]
Abstract
This study investigated the effect of adding platelet-rich plasma (PRP) in semen extender prior cryopreservation on post-thaw quality, kinematics, and in vivo fertility of fertile and subfertile buffalo spermatozoa. Eleven buffalo bulls were classified based on their conception rate (CR) into fertile (n = 8, CR > 55%) and subfertile (n = 3, CR < 35%) groups. Ejaculates were collected with artificial vagina, pooled, and dispensed into 6 aliquots, diluted with Tris-egg yolk-glycerol extender supplemented with different proportions of PRP [0% (control), 5%, 10%, 15%, 20%, and 25%] followed by cryopreservation using standard procedures. Post-thaw sperm quality, kinematics, antioxidant activity, cryosurvival rate, and in vivo fertility were compared between fertile and subfertile groups and among proportions of PRP within each group. The results showed that 15% PRP greatly (P < 0.001) improved sperm characteristics, average path velocity, and curvilinear velocity of the subfertile group. Interestingly, 5%, 10%, and 15% PRP greatly (P < 0.001) reduced malondialdehyde content and improved enzymatic (glutathione peroxidase and superoxide dismutase) and total antioxidant capacity in fertile and subfertile groups. However, these three proportions of PRP significantly (P < 0.001) improved the cryosurvival rate of the subfertile group; only 15% PRP greatly improved CR of subfertile (60.83% vs. 34.17%) animals to be comparable with that of fertile ones treated with 5 (59.17%) and 10% (60.83%) PRP. In conclusion, adding 15% PRP to semen extender before cryopreservation is recommended to improve post-thaw quality, antioxidant activity, and in vivo fertility of buffalo semen particularly of the subfertile animals.
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Affiliation(s)
- Essam A Almadaly
- Department of Theriogenology, Faculty of Veterinary Medicine, Kafrelsheikh University, El-Geish Street, Kafrelsheikh, 33516, Egypt.
| | - Ibrahim M Ibrahim
- Sakha Animal Production Station, Agricultural Research Center, Ministry of Agriculture, Kafrelsheikh, 33516, Egypt
| | - Maha S Salama
- Animal Production Research Institute (APRI), Kafrelsheikh branch, Ministry of Agriculture, Dokki, Egypt
| | - Mohey A Ashour
- Riwina Animal Production Station, Agricultural Research Center, Ministry of Agriculture, Kafrelsheikh, 33516, Egypt
| | - Ferial M Sahwan
- Animal Breeding and Production, Animal Husbandry and Animal Wealth Development Department, Faculty of Veterinary Medicine, Alexandria University, Alexandria, Egypt
| | - Ismail I El-Kon
- Department of Theriogenology, Faculty of Veterinary Medicine, Kafrelsheikh University, El-Geish Street, Kafrelsheikh, 33516, Egypt
| | - Tarek K Abouzed
- Department of Biochemistry, Faculty of Veterinary Medicine, Kafrelsheikh University, El-Geish Street, Kafrelsheikh, 33516, Egypt
| | - Wael B El-Domany
- Department of Theriogenology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
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Yang Y, Suwimonteerabutr J, Angkawanish T, Chatdarong K. Serum Insulin-like Growth Factor-1 Is a Biomarker of Testosterone Production and Intact Acrosome in Asian Elephants (Elephas maximus). Animals (Basel) 2022; 12:ani12121570. [PMID: 35739906 PMCID: PMC9219496 DOI: 10.3390/ani12121570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 06/12/2022] [Accepted: 06/15/2022] [Indexed: 11/24/2022] Open
Abstract
Simple Summary In Thailand, the low fertility rate of Asian elephants has been identified. Factors contributing to poor semen quality in the elephants are not fully understood. Insulin-like growth factor-1 (IGF-1) is related to male infertility. It plays an essential role in testicular development by stimulating cell proliferation, differentiation, and steroidogenesis. In addition, there is increasing evidence that IGF-1 plays a critical role in spermatogenesis. This may be conducive to finding the causes of poor sperm quality in Asian elephants (Elephas maximus). In the present study, we investigated the relationships among serum IGF-1, serum testosterone level, and semen parameters in seven elephant bulls. The findings suggest that serum IGF-1 concentration is likely to predict sperm quality like acrosome integrity. The further mechanism by which IGF-1 affects sperm quality requires further investigation. Abstract The objective of this study was to find relationships among serum IGF-1, serum testosterone, seminal plasma IGF-1 concentrations and semen parameters in Asian elephants (Elephas maximus). A total of 17 ejaculates (one to three ejaculates/bull) were collected from seven captive elephant bulls by performing rectal massage. Before each ejaculation, blood samples were obtained for serum IGF-1 and testosterone assays. Subsequently, the semen characteristics of each ejaculate were evaluated. Mean serum IGF-1 concentration of elephant bulls was estimated as 326.3 ± 114.6 ng/mL (median, 286.2 ng/mL; range, 167.4–542.7 ng/mL). An increase in serum IGF-1 concentration was found to correlate with the percentage of spermatozoa with intact acrosomes. In addition, IGF-1 concentration was positively correlated with testosterone level. However, seminal IGF-1 concentrations could not be detected. In conclusion, our findings suggest that serum IGF-1 concentration is likely a biomarker of normal testicular functions, particularly spermatogenesis in elephants. Moreover, this commercial IGF-1 ELISA is eligible for analyzing serum IGF-1 concentration in Asian elephants.
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Affiliation(s)
- Yuqing Yang
- Research Unit of Obstetrics and Reproduction in Animals, Department of Obstetrics, Gynaecology and Reproduction, Faculty of Veterinary Science, Chulalongkorn University, Bangkok 10330, Thailand; (Y.Y.); (J.S.)
- The International Graduate Program of Veterinary Science and Technology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Junpen Suwimonteerabutr
- Research Unit of Obstetrics and Reproduction in Animals, Department of Obstetrics, Gynaecology and Reproduction, Faculty of Veterinary Science, Chulalongkorn University, Bangkok 10330, Thailand; (Y.Y.); (J.S.)
| | - Taweepoke Angkawanish
- The Thai Elephant Conservation Center, National Elephant Institute of Thailand, The Forest Industry Organization, Lampang 52190, Thailand;
| | - Kaywalee Chatdarong
- Research Unit of Obstetrics and Reproduction in Animals, Department of Obstetrics, Gynaecology and Reproduction, Faculty of Veterinary Science, Chulalongkorn University, Bangkok 10330, Thailand; (Y.Y.); (J.S.)
- Correspondence:
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Raei H, Karimi Torshizi MA, Sharafi M, Ahmadi H. Sperm flow cytometric parameters, antioxidant status, and testicular histomorphology in roosters fed diets supplemented with camphor. Poult Sci 2022; 101:102014. [PMID: 35901646 PMCID: PMC9326334 DOI: 10.1016/j.psj.2022.102014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 06/07/2022] [Accepted: 06/14/2022] [Indexed: 11/19/2022] Open
Abstract
Genetic selection based on the high growth rate and consequently high slaughter weight in broiler chickens has caused many problems in broiler breeders. A negative correlation between growth and reproductive traits has declined semen quality and fertility in roosters. The present study aimed to evaluate the effects of camphor levels on some reproductive parameters included semen parameters, antioxidant status, and testicular development in broiler breeder roosters. Thirty-five ROSS 308 broiler breeder roosters were divided into 5 groups to receive camphor (C) levels: C0, C50, C250, C750, and C1000 ppm for 12 consecutive weeks (31–43 wk). Body weight, seminal volume, sperm concentration, and percentage of live and morphologically normal sperm were not affected by diets (P > 0.05), however, significantly were changed by bird age over the experiment (P < 0.05). Semen quality factor (SQF) significantly was affected by both diets and age (P < 0.05). Mitochondrial activity, apoptotic-like changes, and DNA fragmentation were improved in the groups fed camphor levels compared to the control group (P < 0.05). Testes weight (left, right, and combined weights) and gonadosomatic index were increased linearly by the camphor supplementation (P < 0.05). The serum activity of glutathione peroxidase (GPX) was not affected by treatments, however, superoxide dismutase (SOD) activity, ferric ion reducing antioxidant power (FRAP), and 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity were significantly higher in C50, C250, and C750, respectively (P < 0.05). The lower malondialdehyde (MDA) content in the testes and liver samples was observed in C750 (P < 0.05). Excluding the number of Sertoli cells and blood vessels, other histomorphological traits of testes showed one of the linear or quadratic responses to the camphor levels (P < 0.05). It can be concluded that camphor as an antioxidant source may improve reproduction performance in roosters.
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Affiliation(s)
- Hamid Raei
- Department of Poultry Science, Faculty of Agriculture, Tarbiat Modares University, Nasr, Tehran 14115-336, Iran
| | | | - Mohsen Sharafi
- Department of Poultry Science, Faculty of Agriculture, Tarbiat Modares University, Nasr, Tehran 14115-336, Iran
| | - Hamed Ahmadi
- Department of Poultry Science, Faculty of Agriculture, Tarbiat Modares University, Nasr, Tehran 14115-336, Iran
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Moura FH, Macias-Franco A, Pena-Bello CA, Archilia EC, Batalha IM, Silva AEM, Moreira GM, Norris AB, Schütz LF, Fonseca MA. Sperm DNA 5-methyl cytosine and RNA N6-methyladenosine methylation are differently affected during periods of body weight losses and body weight gain of young and mature breeding bulls. J Anim Sci 2021; 100:6460477. [PMID: 34902028 PMCID: PMC8849232 DOI: 10.1093/jas/skab362] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Accepted: 12/10/2021] [Indexed: 12/15/2022] Open
Abstract
Aiming to characterize the effects of nutritional status on epigenetic markers, such as DNA 5-methyl cytosine (mC) methylation and RNA N6-methyladenosine (m6A) methylation, of bovine sperm, 12 Angus × Hereford crossbred breeding bulls were submitted to nutritional changes for a period of 180 d: no change in body weight (BW) (phase 1 = 12 d), BW loss (phase 2 = 78 d), and BW gain (phase 3 = 90 d) in a repeated measures design. Animals were fed Beardless wheat (Triticum aestivum) hay and mineral mix. Statistical analyses were performed using SAS 9.4 (SAS Inst., Cary, NC). Higher levels of RNA m6A (P = 0.004) and DNA methylation (P = 0.007) of spermatic cells were observed at phase 2 compared with phase 1. In phase 3, sperm RNA m6A methylation levels continued to be higher (P = 0.004), whereas the DNA of sperm cells was similar (P = 0.426) compared with phase 1. Growing bulls had a tendency (P = 0.109) of higher RNA m6A methylation levels than mature bulls. Phase 2 altered scrotal circumference (P < 0.001), sperm volume (P = 0.007), sperm total motility (P = 0.004), sperm progressive motility (P = 0.004), total sperm count (P = 0.049), normal sperm (P < 0.001), abnormal sperm (P < 0.001), primary sperm defects (P = 0.039), and secondary sperm defects (P < 0.001). In phase 3, bulls had scrotal circumference, sperm volume, sperm motility, sperm progressive motility, total sperm count, normal and abnormal spermatozoa, and primary and secondary spermatozoa defects similar to phase 1 (P > 0.05). Serum concentrations of insulin-like growth factor-1 and leptin decreased during phase 2 (P = 0.010), while no differences (P > 0.05) were detected between phases 3 and 1; growing bulls tended (P = 0.102) to present higher leptin levels than mature bulls. Specific for mature bulls, DNA methylation was positively correlated with leptin concentration (0.569, P = 0.021), whereas for young bulls, DNA methylation was positively correlated with abnormal spermatozoa (0.824, P = 0.006), primary spermatozoa defect (0.711, P = 0.032), and secondary spermatozoa defect (0.661, P = 0.052) and negatively correlated with normal spermatozoa (-0.824, P = 0.006), total sperm count (-0.702, P = 0.035), and sperm concentration (-0.846, P = 0.004). There was no significant correlation (P > 0.05) between RNA m6A and hormones and semen traits. In conclusion, the nutritional status of breeding bulls alters epigenetic markers, such as DNA methylation and RNA m6A methylation, in sperm, and the impact of change seems to be age dependent. These markers may serve as biomarkers of sperm quality and fertility of bulls in the future. Detrimental effects on sperm production and seminal quality are observed at periods and places when and where environmental and nutritional limitations are a year-round reality and may carry hidden players that may influence a lifetime of underperformance.
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Affiliation(s)
- Felipe H Moura
- Department of Animal, Veterinary and Rangeland Sciences, University of Nevada, Reno, Reno, NV 89557, USA
| | - Arturo Macias-Franco
- Department of Animal, Veterinary and Rangeland Sciences, University of Nevada, Reno, Reno, NV 89557, USA
| | - Camilo A Pena-Bello
- Department of Animal, Veterinary and Rangeland Sciences, University of Nevada, Reno, Reno, NV 89557, USA
| | - Evandro C Archilia
- Department of Animal, Veterinary and Rangeland Sciences, University of Nevada, Reno, Reno, NV 89557, USA
| | - Isadora M Batalha
- Department of Animal, Veterinary and Rangeland Sciences, University of Nevada, Reno, Reno, NV 89557, USA
| | - Aghata E M Silva
- Department of Animal, Veterinary and Rangeland Sciences, University of Nevada, Reno, Reno, NV 89557, USA
| | - Gabriel M Moreira
- Department of Animal, Veterinary and Rangeland Sciences, University of Nevada, Reno, Reno, NV 89557, USA
| | - Aaron B Norris
- Department of Animal, Veterinary and Rangeland Sciences, University of Nevada, Reno, Reno, NV 89557, USA,Department of Natural Resources Management, Texas Tech University, Lubbock, TX 79430, USA
| | - Luis F Schütz
- Department of Animal, Veterinary and Rangeland Sciences, University of Nevada, Reno, Reno, NV 89557, USA
| | - Mozart A Fonseca
- Department of Animal, Veterinary and Rangeland Sciences, University of Nevada, Reno, Reno, NV 89557, USA,Corresponding author:
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Fu L, Yuen KCJ, Tint AN, Hoffman AR, Bongso AT, Lee KO. Association of decreased sperm motility and increased seminal plasma IGF-I, IGF-II, IGFBP-2, and PSA levels in infertile men. Endocrine 2021; 74:698-706. [PMID: 34273055 DOI: 10.1007/s12020-021-02823-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Accepted: 07/06/2021] [Indexed: 10/20/2022]
Abstract
PURPOSE Previous studies have suggested the involvement of serum insulin-like growth factors (IGFs) and IGF binding proteins (IGFBPs) in the regulation of the female reproductive system. Little is known of these peptides in the seminal plasma (SP) of men and their potential effects on fertility. We assessed SP levels of these peptides in infertile men with low sperm motility (asthenozoospermic; AZ) and low sperm counts (oligozoospermic; OZ), its effects on in vivo sperm motility, and whether there is a correlation with aging. METHODS Twenty-eight infertile men (AZ; n = 18 and OZ; n = 10) and 20 fertile normozoospermic (NZ) men were studied. Seminal plasma IGF-I, IGF-II, IGFBP-2, IGFBP-3, and prostate-specific antigen (PSA) levels were measured, and spermatozoa mRNA transcript patterns were examined. RESULTS Asthenozoospermic men had higher SP IGF-I, IGF-II, IGFBP-2, and PSA levels than NZ and OZ men, whereas SP IGFBP-3 levels were similar between the three groups. Sperm count positively correlated with SP IGF-I, IGF-II, and IGFBP-2; sperm motility negatively correlated with SP IGF-II and IGFBP-2; and age correlated positively with SP IGF-II. The expression of IGF-I and IGF-II mRNA and mRNA receptors was detectable, but no variations in transcript levels were noted. CONCLUSION Decreased sperm motility, but not sperm count, in infertile AZ men is associated with increased SP IGF-I, IGF-II, IGFBP-2, and PSA levels. Changes in SP IGFs and their interactions with IGFBPs and IGF receptors, and PSA levels suggest a role of these SP peptides in modulating sperm motility and possibly prostate disease development in aging men.
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Affiliation(s)
- Li Fu
- Division of Endocrinology, Department of Medicine, National University of Singapore, Singapore, 119074, Singapore
| | - Kevin C J Yuen
- Barrow Pituitary Center, Department of Neuroendocrinology and Neurosurgery, University of Arizona College of Medicine and Creighton School of Medicine, Phoenix, AZ, 85013, USA.
| | - Aye Nyein Tint
- Division of Endocrinology, Department of Medicine, National University of Singapore, Singapore, 119074, Singapore
| | - Andrew R Hoffman
- Department of Medicine, VA Palo Alto Health Care System and Stanford University School of Medicine, Palo Alto, CA, 94304, USA
| | - Ariff T Bongso
- Department of Obstetrics and Gynaecology, National University of Singapore, Singapore, 119074, Singapore
| | - Kok Onn Lee
- Division of Endocrinology, Department of Medicine, National University of Singapore, Singapore, 119074, Singapore
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A 150 kDa Protein Derived from Bull Seminal Plasma Extended the Survival Time of Kacang Goat Sperm Stored at 5°C. Vet Med Int 2021; 2021:1470209. [PMID: 34840715 PMCID: PMC8616707 DOI: 10.1155/2021/1470209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Accepted: 10/26/2021] [Indexed: 11/18/2022] Open
Abstract
Artificial insemination has proven to be an effective method for increasing population size and genetic quality of Kacang goats. However, innovation is required to maintain the quality of Kacang goat semen in storage. This study aimed to examine the effects of supplementing the 150 kDa protein assumed as IGF-I complex derived from bull seminal plasma in skim milk-egg yolk extender on the quality of Kacang goat sperm stored at 5°C. Twelve ejaculates collected from three Kacang goats were divided into three groups. In the control group (T0), the ejaculates were extended with skim milk-egg yolk only. In the treatment groups (T1 and T2), the ejaculates were extended with skim milk-egg yolk supplemented with the IGF-I complex protein at 12 μg and 24 μg/100 mL, respectively. The extended semen was stored at 5°C, and the viability, motility, intactness of the plasma membrane, malondialdehyde concentration, and apoptotic sperm percentage were evaluated daily for five days. The results showed that the T1 was the most effective treatment for maintaining Kacang goat semen at a quality acceptable for artificial insemination over five days of storage at 5°C. However, the T0 and T2 groups retained acceptable qualities for only three days at 5°C. It could be concluded that supplementation of 12 μg of the 150 kDa protein derived from bull seminal plasma per 100 mL extender successfully extended the life span of Kacang goat sperm for five days.
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10
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Kumar A, Singh G, A J, Kumar P, V A, Bala R, Verma N, Sharma RK. IGF-1 supplementation in semen affects mitochondrial functional and calcium status of buffalo sperm following cryopreservation. Anim Reprod Sci 2021; 231:106783. [PMID: 34091430 DOI: 10.1016/j.anireprosci.2021.106783] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 05/25/2021] [Accepted: 05/26/2021] [Indexed: 12/17/2022]
Abstract
This study was designed to examine the effects of seminal insulin-like growth factor-1 (IGF-1) supplementation on structural and functional properties of buffalo sperm post cryopreservation. Semen ejaculates from buffalo bulls (n = 6) were proportioned into four aliquots and diluted with egg yolk-based extender. Prior to equilibration, IGF-1 was added to extender as four treatments: group IGF0 (no supplementation), IGF150 (150 ng/mL), IGF250 (250 ng/mL) and IGF350 (350 ng/mL). The extended semen was transferred into 0.25 mL mini-straws, equilibrated (4 °C at 4 h), and cryopreserved. Total sperm motility was greater (P < 0.05) when there was the IGF150 treatment compared with values for other groups. Furthermore, with the IGF150 treatment there was the least and greatest (P < 0.05) mitochondrial superoxide status and membrane potential, respectively. Similarly, with the IGF150 treatment there was a greater (P < 0.05) sperm membrane integrity with a lesser (P < 0.05) calcium status compared to values for the other groups. In conclusion, seminal IGF-1 supplementation affects the structural and functional properties of buffalo sperm following cryopreservation.
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Affiliation(s)
- Amit Kumar
- ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, 125001, India; Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, Haryana, 125004, India
| | - Gyan Singh
- Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, Haryana, 125004, India.
| | - Jerome A
- ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, 125001, India.
| | - Pradeep Kumar
- ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, 125001, India
| | - Arjun V
- ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, 125001, India; Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, Haryana, 125004, India
| | - Renu Bala
- ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, 125001, India
| | - Nisha Verma
- ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, 125001, India
| | - R K Sharma
- ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, 125001, India
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11
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Almeida D, Pinto S, Alves M, Galiza Y, Celeghini E, Laskoski L, Osorio J, Souza F. Glutathione and IGF-1 in bovine seminal cryopreservation: oxidative stress response and pregnancy rate. ARQ BRAS MED VET ZOO 2021. [DOI: 10.1590/1678-4162-12060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
ABSTRACT The objective of this study was to evaluate the rate of conception, metabolic, and structural conditions of cryopreserved bovine sperm cells, plus extender with IGF-1 and glutathione (GSH). 12 ejaculations of Nelore bulls were used, submitted to treatments: control, gSH (2mM/mL), IGF-1 (100ng/mL) and gSH (1mM/mL) + IGF-1 (50ng/mL). After cryopreservation and thawing the semen passed the fast thermo resistance test (TTR), plasma membrane and acrosomal integrity (PIAI), mitochondrial membrane potential (AP), oxidative stress, and conception rate. Tukey test was used for the statistical analysis of the parametric variables and the Friedman test for nonparametric. The gestation percentage was compared by the Chi-square test. There was no statistical difference (P<0.05) between treatments for the TTRr variable. Otherwise in the oxidative stress evaluated with the CellROX probe was noted that the IGF-1 showed the highest number of reactive cells (P<0.05). The PIAI, AP and gestation rate showed no difference among treatments (P>0.05), with an average of conceptions of 36.58%. It is concluded that IGF-1, gSH and their association did not cause changes in sperm motility, mitochondrial potential, plasma and acrosomal membrane integrity. IGF-1 increased oxidative stress, however, there was no difference in the gestation rate among the treatments.
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12
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Dalal J, Chandolia RK, Pawaria S, Kumar A, Kumar D, Selokar NL, Andonissamy J, Yadav PS, Kumar P. Low-density lipoproteins protect sperm during cryopreservation in buffalo: Unraveling mechanism of action. Mol Reprod Dev 2020; 87:1231-1244. [PMID: 33140487 DOI: 10.1002/mrd.23434] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 09/15/2020] [Accepted: 10/13/2020] [Indexed: 12/17/2022]
Abstract
This study was carried out to reveal factors and the mechanism of action by which low-density lipoproteins (LDLs) protect sperm better than egg yolk (EY) during cryopreservation. We extracted LDL from EY and compared the amount of calcium, progesterone, and antioxidants in EY and LDL. We found a very high concentration of progesterone (1423.95 vs. 10.46 ng/ml) and calcium (29.19 vs. 0.47 mM) in EY as compared with LDL. Antioxidant assays like DPPH (2,2-diphenyl-1-picrylhydrazyl) and the ferric reducing antioxidants power assay revealed that the LDL extender had almost double ability to lose hydrogen than the EY extender. For sperm cryopreservation, 20 ejaculates from four Murrah buffalo bulls were collected. Each ejaculate was divided into four aliquots and extended in 10%, 12%, and 14% LDL (w/v) and EY-based extenders, followed by cryopreservation. The LDL-based extender prevented excessive cholesterol efflux, and its high content of antioxidants minimized reactive oxygen species generated during cryopreservation, resulting in a functional CatSper channel. The EY-based extender promoted excess cholesterol efflux due to the presence of high-density lipoprotein, resulting in a compromised CatSper channel. High intracellular calcium in a cryopreserved sperm in the EY group as compared with the LDL group indicates that progesterone present in EY activates the CatSper channel, resulting in a heavy calcium influx into the sperm. The greater tyrosine phosphorylation and increased number of F-pattern in the sperm cryopreserved in the EY extender indicate that high intracellular calcium triggers more capacitation-like changes in the sperm cryopreserved in EY than LDL extender. In conclusion, we demonstrated the new facts and understandings about LDL and EY for semen cryopreservation.
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Affiliation(s)
- Jasmer Dalal
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, India.,Department of Veterinary Gynaecology and Obstetrics, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, Haryana, India
| | - Ramesh K Chandolia
- Department of Veterinary Gynaecology and Obstetrics, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, Haryana, India
| | - Shikha Pawaria
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, India
| | - Aman Kumar
- Department of Animal Biotechnology, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, Haryana, India
| | - Dharmendra Kumar
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, India
| | - Naresh L Selokar
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, India
| | - Jerome Andonissamy
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, India
| | - Prem S Yadav
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, India
| | - Pradeep Kumar
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, India
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Dalal J, Chandolia RK, Jan MH, Pawaria S, Verma N, Jerome A, Kumar D, Kumar P. Escherichia coli membrane-derived oxygen-reducing enzyme system (Oxyrase) protects bubaline spermatozoa during cryopreservation. Mol Reprod Dev 2020; 87:1048-1058. [PMID: 32780495 DOI: 10.1002/mrd.23411] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 07/07/2020] [Accepted: 07/23/2020] [Indexed: 11/08/2022]
Abstract
The objective of this study was to determine the effectiveness of deoxygenation of semen extender using Escherichia coli membrane-derived oxygen scavenger (Oxyrase) on post-thaw quality of buffalo (Bubalus bubalis) spermatozoa. Sixteen semen ejaculates, four each from four bulls, were each divided into five equal fractions, diluted using Tris-egg yolk extender supplemented with different concentrations of Oxyrase (0, 0.3, 0.6, 0.9, and 1.2 U/ml), designated as treatments T1, T2, T3, T4, and T5, respectively, and cryopreserved. Immediately after thawing, Oxyrase did not improve sperm kinetics and motility; however, it improved the keeping quality (significantly lower deterioration of post-thaw sperm motility after incubation for 120 min) in T3. Further, T3 reduced (p < .05) cholesterol efflux and protected the intactness of the sperm plasma membrane. Flow cytometry with Fluo-3 AM/propidium iodide (PI) dual staining revealed the highest (p < .05) proportion of live spermatozoa with low intracellular calcium in T3. Oxyrase supplementation protected spermatozoa from premature capacitation which was confirmed by low expression of tyrosine-phosphorylated proteins (32, 75, and 80 kDa) and a relatively lower percentage of F-pattern (uncapacitated spermatozoa) in chlortetracycline assay. Importantly, the Oxyrase fortification decreased superoxide anion in a dose-dependent manner indicating reduced availability of oxygen at sperm mitochondrial level. Similarly, in Oxyrase-fortified sperm, malondialdehyde concentration, an index of lipid peroxidation, is also reduced in a dose-dependent manner. In conclusion, we demonstrate that deoxygenation of buffalo semen by Oxyrase has the potential of improving post-thaw sperm quality by overcoming the problem of cryocapacitation and oxidative damage during cryopreservation process.
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Affiliation(s)
- Jasmer Dalal
- Division of Animal Physiology and Reproduction, ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, India.,Department of Veterinary Gynaecology and Obstetrics, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, Haryana, India
| | - Ramesh Kumar Chandolia
- Department of Veterinary Gynaecology and Obstetrics, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, Haryana, India
| | - Mustafa Hassan Jan
- ICAR-Central Institute for Research on Buffaloes, Subcampus Nabha, Nabha, Punjab, India
| | - Shikha Pawaria
- Division of Animal Physiology and Reproduction, ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, India
| | - Nisha Verma
- Division of Animal Physiology and Reproduction, ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, India
| | - Andonissamy Jerome
- Division of Animal Physiology and Reproduction, ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, India
| | - Dharmendra Kumar
- Division of Animal Physiology and Reproduction, ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, India
| | - Pradeep Kumar
- Division of Animal Physiology and Reproduction, ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, India
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Samir H, Nyametease P, Elbadawy M, Nagaoka K, Sasaki K, Watanabe G. Administration of melatonin improves testicular blood flow, circulating hormones, and semen quality in Shiba goats. Theriogenology 2020; 146:111-119. [PMID: 32078960 DOI: 10.1016/j.theriogenology.2020.01.053] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 01/04/2020] [Accepted: 01/25/2020] [Indexed: 12/28/2022]
Abstract
Despite the role of melatonin in the regulation of the sleep-wake cycle and seasonal-reproduction, the present study investigated, for the first time, the potential role of melatonin on testicular blood flow (TBF) in goats. Twelve sexually mature male Shiba goats were exposed to a single s.c. injection of either melatonin suspended in one ml of corn oil (melatonin group; 36 mg/goat; n = 5) or one ml of corn oil (control group; n = 7). Monitoring the changes in TBF was done one week before (W-1), at the time of injection (W0), and once a week for 8 weeks after injection using color-pulsed Doppler ultrasonography. Concentrations of FSH, LH, inhibin, testosterone (T), estradiol (E2), and insulin-like growth factor-1 (IGF-1) in plasma were determined by radioimmunoassay. Melatonin and nitric oxide (NO) concentrations were measured using enzyme immunoassay kits. Moreover, semen collection and evaluation of some sperm parameters were performed once a week. Results revealed decreases (P < 0.05) in the Doppler indices (resistive index, pulsatility index) of the testicular arteries from W2 till W6 in the melatonin group. FSH, LH, and inhibin concentrations did not change between the two groups, while T, E2, IGF-1, NO, and melatonin concentrations increased (P < 0.05) in the melatonin group compared to the control. Estradiol and NO concentrations increased (P < 0.05), coinciding with decreases in the values of Doppler indices. Notable (P < 0.05) improvements in most parameters of semen quality were seen in the melatonin group. In conclusion, melatonin induced a stimulatory effect on TBF in Shiba goats and possibly, it could be a potential to improve male goats fertility.
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Affiliation(s)
- Haney Samir
- Laboratory of Veterinary Physiology, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-Cho, Fuchu, Tokyo, 183-8509, Japan; Department of Theriogenology, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt.
| | - Paul Nyametease
- Laboratory of Veterinary Physiology, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-Cho, Fuchu, Tokyo, 183-8509, Japan; Department of Animal Science, College of Basic and Applied Sciences, University of Ghana, Accra, Ghana
| | - Mohamed Elbadawy
- Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-Cho, Fuchu, Tokyo, 183-8509, Japan; Department of Pharmacology, Faculty of Veterinary Medicine, Benha University, Moshtohor, Toukh, Elqaliobiya, 13736, Egypt
| | - Kentaro Nagaoka
- Laboratory of Veterinary Physiology, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-Cho, Fuchu, Tokyo, 183-8509, Japan
| | - Kazuaki Sasaki
- Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-Cho, Fuchu, Tokyo, 183-8509, Japan
| | - Gen Watanabe
- Laboratory of Veterinary Physiology, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-Cho, Fuchu, Tokyo, 183-8509, Japan.
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15
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Kumar P, Pawaria S, Dalal J, Ravesh S, Bharadwaj S, Jerome A, Kumar D, Jan MH, Yadav PS. Sodium alginate potentiates antioxidants, cryoprotection and antibacterial activities of egg yolk extender during semen cryopreservation in buffalo. Anim Reprod Sci 2019; 209:106166. [PMID: 31514937 DOI: 10.1016/j.anireprosci.2019.106166] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Revised: 07/22/2019] [Accepted: 08/15/2019] [Indexed: 12/24/2022]
Abstract
The study was conducted to determine effects of sodium alginate on sperm during cryopreservation. Each ejaculate (n = 20) of five buffalo bulls (3-5 years) were divided into six equal fractions and diluted using egg yolk based extender supplemented with different concentrations of sodium alginate and cryopreserved. Frozen-thawed semen samples were evaluated using the CASA, hypo-osmotic swelling test, cervical mucus penetration capacity test, and chlortetracycline fluorescence assay (CTC). Phosphorylation of tyrosine containing proteins and malondialdehyde concentration of sperm membrane were evaluated using immunoblotting and thiobarbituric acid reactive substance assay respectively. The semen extender's anioxidative capacities were estimated by conducting 2, 2-diphenyl-1-picrylhydrazyl (DPPH) and ferric reducing antioxidant power (FRAP) assays, metal chelating capacity by assessing ferrozine and antibacterial capacity using agar plate methods. Supplementation of sodium alginate in extender improved sperm longevity, plasma membrane integrity as well as capacity to transit through the cervical mucus. Supplementation of extender with sodium alginate minimises the phase transition of sperm membranes and phosphorylation of tyrosine containing proteins during cryopreservation. Malondialdehyde concentration of sperm was less in sodium alginate-treated sperm as compared with control samples. The results indicated that sodium alginate increased antioxidant capacity of semen extender. Supplementation with sodium alginate also improved the metal chelating capacity and antibacterial properties of the extender. In conclusion, supplementation of extender with sodium alginate enhances free radical scavenging, metal reduction and chelating capacities to protect sperm during cryopreservation.
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Affiliation(s)
- Pradeep Kumar
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, India.
| | - Shikha Pawaria
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, India
| | - Jasmer Dalal
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, India; Departments of Veterinary Gynaecology and Obstetrics, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, Haryana, India
| | - Suman Ravesh
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, India
| | - Sonam Bharadwaj
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, India; ICAR- National Dairy Research Institute, Karnal, Haryana, India
| | - A Jerome
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, India
| | - Dharmendra Kumar
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, India
| | - Mustafa H Jan
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, India
| | - P S Yadav
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, India
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