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Ameen S, Zaman U, AlSalem HS, Alhawiti AS, Alanazi AN, Zghab I, Alissa M, Alghamdi SA, Naz R, Rehman KU. Isolation and biochemical characterization of novel acid phosphatase and zinc-dependent acid phosphatase from the chicken's brain. Int J Biol Macromol 2024; 266:131339. [PMID: 38574925 DOI: 10.1016/j.ijbiomac.2024.131339] [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: 12/27/2023] [Revised: 03/18/2024] [Accepted: 04/01/2024] [Indexed: 04/06/2024]
Abstract
The AcPase exhibits a specific activity of 31.32 U/mg of protein with a 728-fold purification, and the yield of the enzyme is raised to 3.15 %. The Zn2+-dependent AcPase showed a purification factor of 1.34 specific activity of 14 U/mg of proteins and a total recovery of 5.14. The SDS-PAGE showed a single band corresponding to a molecular weight of 18 kDa of AcPase and 29 kDa of Zn2+-dependent AcPase. The AcPase enzyme has shown a wide range of substrate specificity for p-NPP, phenyl phosphate and FMN, while in the case of ZnAcPase α and β-Naphthyl phosphate and p-NPP were proved to be superior substrates. The divalent metal ions like Mg2+, Mn2+, and Ca2+ increased the activity, while other substrates decreased the enzyme activity. The Km (0.14 mM) and Vmax (21 μmol/min/mg) values of AcPase were higher than those of Zn2+-AcPase (Km = 0.5 mM; Vmax = 9.7 μmol/min/mg). The Zn2+ ions activate the Zn2+-AcPase while Fe3+, Al3+, Pb2+, and Hg2+ showed inhibition on enzyme activity. Molybdate, vanadate and phosphate were found to be competitive inhibitors of AcPase with Ki values 316 μM, 185 μM, and 1.6 mM, while in Zn2+-AcPase tartrate and phosphate also showed competitive inhibition with Ki values 3 mM and 0.5 mM respectively.
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Affiliation(s)
- Shazia Ameen
- Institute of Chemical Sciences, Gomal University, Dera Ismail Khan 29050, KPK, Pakistan
| | - Umber Zaman
- Institute of Chemical Sciences, Gomal University, Dera Ismail Khan 29050, KPK, Pakistan
| | - Huda Salem AlSalem
- Department of Chemistry, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
| | - Aliyah S Alhawiti
- Department of chemistry, Faculty of Science, University of Tabuk, Tabuk 71491, Saudi Arabia
| | - Amal N Alanazi
- Department of Chemistry, Khafji University College, University of Hafr Al Batin, Saudi Arabia
| | - Imen Zghab
- Department of Physical Sciences, Chemistry Division, College of Science, Jazan University, P.O. Box. 114, Jazan 45142, Kingdom of Saudi Arabia
| | - Mohammed Alissa
- Department of Medical Laboratory, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Suad A Alghamdi
- Department of Medical Laboratory, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Rubina Naz
- Institute of Chemical Sciences, Gomal University, Dera Ismail Khan 29050, KPK, Pakistan
| | - Khalil Ur Rehman
- Institute of Chemical Sciences, Gomal University, Dera Ismail Khan 29050, KPK, Pakistan.
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Nedić S, Đurić M, Vakanjac S, Arsić S, Nedić S, Samardžija M, Borozan S. Relationship between biochemical parameters and paraoxonase 1 activity of boar seminal plasma and semen quality. Vet Res Commun 2023; 47:1243-1253. [PMID: 36600008 DOI: 10.1007/s11259-022-10066-x] [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: 06/30/2022] [Accepted: 12/29/2022] [Indexed: 01/06/2023]
Abstract
The aim of this study was to examine the biochemical components and the parameters of antioxidant protection in the seminal plasma (SP) of boars, as well as their relationship with semen quality parameters. Thirty-six boars were included in the study, whose ejaculates were divided into two groups: Group I (good quality semen, > 70% progressively motile sperm, < 20% spermatozoa with abnormal morphology, n = 16), and Group II (poor quality semen, < 70% progressively motile sperm, > 20% spermatozoa with abnormal morphology, n = 20). Significantly higher concentrations of ionized calcium (iCa), total cholesterol (TC), lactate-dehydrogenase (LDH) activity, as well as significantly higher values of antioxidant protection parameters: thiol groups (-SH), paraoxonase 1 (PON1), and total antioxidant capacity (TAC) ) were found in the good quality semen, while higher phosphorus (P) concentrations and increased alkaline-phosphatase (ALP) activity were found in the semen of poor quality. A negative correlation of total and progressive sperm motility with P and ALP was found in all examined semen samples, while a positive correlation was found with PON1 and TAC. The percentage of fast sperm cells positively correlated with iCa, chlorine (Cl), lactate, LDH and TAC, while a negative correlation was found with P, magnesium (Mg) and the enzyme creatine-kinase (CK). The percentage of immobile sperm positively correlated with P and ALP, and negatively correlated with TC, CK, PON1 and TAC. Elevated values of PON1 and TAC in SP and a positive correlation with sperm motility indicate the possible use of these parameters as sensitive biomarkers of boar semen quality. To the best of our knowledge there are no published data on association between PON1 activity and boar semen quality.
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Affiliation(s)
- Svetlana Nedić
- Department of Reproduction, Fertility and Artificial Insemination, Faculty of Veterinary Medicine, University of Belgrade, Bulevar oslobodjenja 18, 11000, Belgrade, Serbia.
| | - Miloje Đurić
- Department of Reproduction, Fertility and Artificial Insemination, Faculty of Veterinary Medicine, University of Belgrade, Bulevar oslobodjenja 18, 11000, Belgrade, Serbia
| | - Slobodanka Vakanjac
- Department of Reproduction, Fertility and Artificial Insemination, Faculty of Veterinary Medicine, University of Belgrade, Bulevar oslobodjenja 18, 11000, Belgrade, Serbia
| | - Sveta Arsić
- Department of Ruminants and Swine Diseases, Faculty of Veterinary Medicine, University of Belgrade, Belgrade, Serbia
| | - Sreten Nedić
- Department of Ruminants and Swine Diseases, Faculty of Veterinary Medicine, University of Belgrade, Belgrade, Serbia
| | - Marko Samardžija
- Clinic for Obstetrics and Reproduction, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Sunčica Borozan
- Department of Chemistry, Faculty of Veterinary Medicine, University of Belgrade, Belgrade, Serbia
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Sarosiek B, Dryl K, Kowalski RK, Palińska-Żarska K, Żarski D. Optimalisation of the Activation Medium and Effect of Inhibiting Activities of Acid Phosphatase, Lactate Dehydrogenase and β-N-Acetylglucosaminidase on the Fertilisation Success of Eurasian Perch (Perca fluviatilis L.). Animals (Basel) 2022; 12:ani12030307. [PMID: 35158631 PMCID: PMC8833416 DOI: 10.3390/ani12030307] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 01/24/2022] [Accepted: 01/25/2022] [Indexed: 11/30/2022] Open
Abstract
Simple Summary The purpose of this study is to determine the composition of the optimal activating solution for activating sperm motility and perch eggs, because scientific studies and reproductive procedures should be conducted in stable and repeatable conditions. We found that the best activating solution was composed of 80 mM NaCl, 20 mM KCl, 10 mM Tris, with pH 8.0 and 206 mOsm/kg. In spite of this, we also checked the influence of adding the enzyme inhibitors, such as ammonium molybdate–acid phosphatase inhibitor, gossypol – lactate dehydrogenase inhibitor and acetamide–β-N-acetylglucosaminidase inhibitor on perch sperm motility and successful perch fertilisation. We showed that the addition of acid phosphatase inhibitor in perch semen did not affect the process of fertilisation; in contrast, the addition of lactate dehydrogenase and β-N-acetylglucosaminidase inhibitors significantly decreased the percentage of perch fertilised eggs. Abstract Although methods for the artificial reproduction of perch have been developed, a lack of information remains regarding the enzymes present in its semen, as well as their role in the fertilisation process. In this study, we first select the optimal activating solution for perch fertilisation and then determine the inhibition effect of enzymes that have already been reported as present in the sperm of teleosts—acid phosphatase (AcP), lactic dehydrogenase (LDH) and β-N-acetylglucosaminidase (β-NAGase)—on the percentage of motile spermatozoa and fertilised eggs. Of the 8 studied activation media, a solution composed of 80 mM NaCl, 20 mM KCl, 10 mM Tris, with pH 8.0 and 206 mOsm/kg proved to be optimal for perch gametes. The addition of ammonium molybdate (AcP inhibitor) caused no significant reduction in the percentage of fertilised eggs. On the other hand, the addition of 0.25 mM gossypol (LDH inhibitor) and 0.125 M acetamide (β-N-acetylglucosaminidase inhibitor) significantly decreased the fertilisation percentage to 41.1% and 52.4%, respectively, in contrast to the control (89.9 %). Both LDH and β-NAGase thus seem to play a very important role in the perch fertilisation process.
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Affiliation(s)
- Beata Sarosiek
- Department of Gamete and Embryo Biology, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Tuwima Str. 10, 10-748 Olsztyn, Poland; (K.D.); (R.K.K.); (D.Ż.)
- Correspondence: ; Tel.: +48-89-5393165
| | - Katarzyna Dryl
- Department of Gamete and Embryo Biology, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Tuwima Str. 10, 10-748 Olsztyn, Poland; (K.D.); (R.K.K.); (D.Ż.)
| | - Radosław K. Kowalski
- Department of Gamete and Embryo Biology, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Tuwima Str. 10, 10-748 Olsztyn, Poland; (K.D.); (R.K.K.); (D.Ż.)
| | - Katarzyna Palińska-Żarska
- Department of Ichthyology, Hydrobiology and Aquatic Ecology, The Stanislaw Sakowicz Inland Fisheries Institute, 10-719 Olsztyn, Poland;
| | - Daniel Żarski
- Department of Gamete and Embryo Biology, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Tuwima Str. 10, 10-748 Olsztyn, Poland; (K.D.); (R.K.K.); (D.Ż.)
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Rato L, Sousa ACA. The Impact of Endocrine-Disrupting Chemicals in Male Fertility: Focus on the Action of Obesogens. J Xenobiot 2021; 11:163-196. [PMID: 34940512 PMCID: PMC8709303 DOI: 10.3390/jox11040012] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 11/12/2021] [Accepted: 11/23/2021] [Indexed: 12/11/2022] Open
Abstract
The current scenario of male infertility is not yet fully elucidated; however, there is increasing evidence that it is associated with the widespread exposure to endocrine-disrupting chemicals (EDCs), and in particular to obesogens. These compounds interfere with hormones involved in the regulation of metabolism and are associated with weight gain, being also able to change the functioning of the male reproductive axis and, consequently, the testicular physiology and metabolism that are pivotal for spermatogenesis. The disruption of these tightly regulated metabolic pathways leads to adverse reproductive outcomes. The permanent exposure to obesogens has raised serious health concerns. Evidence suggests that obesogens are one of the leading causes of the marked decline of male fertility and key players in shaping the future health outcomes not only for those who are directly exposed but also for upcoming generations. In addition to the changes that lead to inefficient functioning of the male gametes, obesogens induce alterations that are “imprinted” on the genes of the male gametes, establishing a link between generations and contributing to the transmission of defects. Unveiling the molecular mechanisms by which obesogens induce toxicity that may end-up in epigenetic modifications is imperative. This review describes and discusses the suggested molecular targets and potential mechanisms for obesogenic–disrupting chemicals and the subsequent effects on male reproductive health.
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Affiliation(s)
- Luís Rato
- Health School of the Polytechnic Institute of Guarda, 6300-035 Guarda, Portugal
- Correspondence: (L.R.); (A.C.A.S.)
| | - Ana C. A. Sousa
- Department of Biology, School of Science and Technology, University of Évora, 7006-554 Évora, Portugal
- Comprehensive Health Research Centre (CHRC), University of Évora, 7000-671 Évora, Portugal
- Correspondence: (L.R.); (A.C.A.S.)
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The influence of inhibition of acid phosphatase, β-N-acetylglucosaminidase and lactate dehydrogenase present in the sperm of ide (Leuciscus idus) on the percentage of fertilised eggs. Anim Reprod Sci 2018; 195:96-101. [DOI: 10.1016/j.anireprosci.2018.05.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Revised: 05/08/2018] [Accepted: 05/14/2018] [Indexed: 11/23/2022]
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Antioxidant protection and lipid peroxidation in testes and different parts of epididymis in boars. Theriogenology 2016; 86:2194-2201. [DOI: 10.1016/j.theriogenology.2016.07.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2016] [Revised: 07/11/2016] [Accepted: 07/11/2016] [Indexed: 01/02/2023]
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Žaja IŽ, Samardžija M, Vince S, Majić-Balić I, Vilić M, Đuričić D, Milinković-Tur S. Influence of boar breeds or hybrid genetic composition on semen quality and seminal plasma biochemical variables. Anim Reprod Sci 2015; 164:169-76. [PMID: 26692346 DOI: 10.1016/j.anireprosci.2015.11.027] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2015] [Revised: 11/26/2015] [Accepted: 11/30/2015] [Indexed: 01/09/2023]
Abstract
The enzyme concentrations of seminal plasma are important for spermatozoa metabolism and function in boars. The need has arisen for introducing a biochemical evaluation of semen, along with the usual standard semen analyses. There are no data on the influence of boar breeds on the seminal plasma biochemical variables investigated in this study. Therefore, the objective was to determine the influence of breed and hybrid genetic composition of boars on semen quality and seminal plasma biochemical variables. Semen samples of 27 boars (Swedish Landrace, German Landrace, Large White, Pietrain and Pig Improvement Company hybrid-PIC-hybrid), aged between 1.5 and 3 years, were collected. After evaluation of semen quality, the seminal plasma was separated from the spermatozoa by centrifugation of semen. The seminal plasma was subjected to spectrophotometric analysis to determine alkaline phosphatase (ALP), acid phosphatase (ACP), γ-glutamyltransferase (GGT), creatine kinase (CK) and lactate dehydrogenase (LDH) and to atomic absorption spectrophotometric analysis to measure the concentration of calcium and magnesium. Conventional semen quality variables differed depending on breed and PIC-hybrid genetic composition, though these differences were typically insignificant. In the seminal plasma, significant differences were determined in enzyme activity (ALP, GGT, CK and LDH) and in calcium concentration among boars of different breeds. There are, therefore, differences in semen quality and significant differences in the seminal plasma biochemical variables among boars of different breeds and PIC-hybrid genetic composition. The data and differences in semen variables detected in the present study provide knowledge for enhancing evaluation and monitoring of boar reproductive potential, semen quality and explain the potential causes of boar infertility.
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Affiliation(s)
- Ivona Žura Žaja
- Department of Physiology and Radiobiology, Faculty of Veterinary Medicine University of Zagreb, Zagreb, Croatia
| | - Marko Samardžija
- Clinic for Obstetrics and Reproduction, Faculty of Veterinary Medicine University of Zagreb, Zagreb, Croatia.
| | - Silvijo Vince
- Clinic for Obstetrics and Reproduction, Faculty of Veterinary Medicine University of Zagreb, Zagreb, Croatia
| | - Ivanka Majić-Balić
- Center for Reproduction and Animal Breeding of Croatia d.o.o., Zagreb, Croatia
| | - Marinko Vilić
- Department of Physiology and Radiobiology, Faculty of Veterinary Medicine University of Zagreb, Zagreb, Croatia
| | | | - Suzana Milinković-Tur
- Department of Physiology and Radiobiology, Faculty of Veterinary Medicine University of Zagreb, Zagreb, Croatia
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Si J, Li P, Xin Q, Li X, An L, Li J. Perinatal exposure to low doses of tributyltin chloride reduces sperm count and quality in mice. ENVIRONMENTAL TOXICOLOGY 2015; 30:44-52. [PMID: 23913619 DOI: 10.1002/tox.21892] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2013] [Revised: 06/20/2013] [Accepted: 06/26/2013] [Indexed: 06/02/2023]
Abstract
Exposure to endocrine disruptors (EDs) during early development might lead to adverse health outcomes later in life. Tributyltin (TBT), a proven ED, is widely used in consumer goods and industrial products. Herein we demonstrate the effects of low doses of tributyltin chloride (TBTCl) on reproduction of male KM mice. Pregnant mice were administered by gavage with 0, 1, 10, or 100 μg TBTCl/kg body weight/day from day 6 of pregnancy through the period of lactation. TBTCl dramatically decreased sperm counts and motility on postnatal days (PNDs) 49 and 152. Meanwhile, a significant increase in sperm abnormality was observed in exposed mice on PND 49, but comparable to that in the control on PND 152. The histopathological analysis of testes of treated animals showed a dose-dependent increase in sloughing of germ cells in seminiferous tubules. Mice treated with 10 μg TBTCl/kg exhibited decreased intratesticular 17β-estradiol (E2) levels on PND 49, and then followed by an obvious recovery on PND 152. While, no significant differences in serum E2, testosterone (T) levels and intratesticular T levels were detectable between control and TBTCl-exposed offspring at the sacrifice. These results suggest that perinatal TBTCl exposure is implicated in causing long lasting alterations in male reproductive system and these changes may persist far into adulthood.
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Affiliation(s)
- Jiliang Si
- Department of Environmental Health, School of Public Health, Shandong University, Jinan, China
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Zhang GQ, Chen QJ, Sun J, Wang HX, Han CH. Purification and characterization of a novel acid phosphatase from the split gill mushroom Schizophyllum commune. J Basic Microbiol 2013; 53:868-75. [PMID: 23322529 DOI: 10.1002/jobm.201200218] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2012] [Accepted: 08/09/2012] [Indexed: 11/10/2022]
Abstract
A monomeric acid phosphatase (ACP) with a molecular mass of 72.5 kDa was purified from fresh fruiting bodies of cultured Schizophyllum commune mushroom. The isolation procedure entailed ion exchange chromatography on DEAE-cellulose, CM-cellulose, and Q-sepharose, and gel filtration by fast protein liquid chromatography on Superdex 75. It demonstrated a unique N-terminal amino acid sequence of NAPWAQIDEV, which exhibited 60% amino acid identity to that of S. commune hypothetical histidine ACP based on its genome sequence, but less than 30% amino acid identity to that of other fungal ACPs previously reported. The ACP exhibited an optimum temperature at 50 °C, an optimum pH at pH 4.6, and was considerably stable at a pH range of 4.0 to 9.0, and a temperature range of 20-40 °C. The Km of the purified enzyme for ρ-nitrophenyl phosphate (ρNPP) was 0.248 mM and the Vmax was 9.093 × 10(-3) μM/min. ACP activity was strongly inhibited by Al(3+) and Fe(3+) , but enhanced by Co(2+) , Mg(2+) , and Ca(2+) at a concentration of 0.5 mM.
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Affiliation(s)
- Guo-Qing Zhang
- Key Laboratory of Urban Agriculture (North) of Ministry of Agriculture, Beijing University of Agriculture, Beijing, China
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Abstract
Semen quality assessment methods are very important in predicting the fertilizing ability of persevered spermatozoa and to improve animal reproductive technology. This review discusses some of the current laboratory methods used for semen quality assessments, with references to their relevance in the evaluation of male fertility and semen preservation technologies. Semen quality assessment methods include sperm motility evaluations, analyzed with the computer-assisted semen analysis (CASA) system, and plasma membrane integrity evaluations using fluorescent stains, such as Hoechst 33258 (H33258), SYBR-14, propidium iodide (PI), ethidium homodimer (EthD) and 6-carboxyfluorescein diacetate (CFDA), and biochemical tests, such as the measurement of malondialdehyde (MDA) level. This review addresses the significance of specific fluorochromes and ATP measurements for the evaluation of the sperm mitochondrial status. Laboratory methods used for the evaluation of chromatin status, DNA integrity, and apoptotic changes in spermatozoa have been discussed. Special emphasis has been focused on the application of proteomic techniques, such as two-dimensional (2-D) gel electrophoresis and liquid chromatography mass spectrometry (LC-MS/MS), for the identification of the properties and functions of seminal plasma proteins in order to define their role in the fertilization-related processes.
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López Rodríguez A, Rijsselaere T, Beek J, Vyt P, Van Soom A, Maes D. Boar seminal plasma components and their relation with semen quality. Syst Biol Reprod Med 2012; 59:5-12. [PMID: 23083319 DOI: 10.3109/19396368.2012.725120] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Select boar seminal plasma (SP) components and their relation to semen quality were investigated. Thirty nine boars from three artificial insemination (AI) centers were divided into group A (GA: > 80% normal sperm and >70% motility) and group B (GB: < 80% normal sperm and < 70% motility). Each ejaculate was collected and semen volume, concentration, sperm motility (computer aided semen analysis; CASA), morphology, and vitality (both eosin nigrosin staining) were investigated. The SP was separated and analyzed for aspartate-amino-transferase (AST), γ-glutamyl-transferase (GGT), alkaline phosphatase (ALP) activity, and the concentrations of sodium (Na), potassium (K), chloride (Cl), calcium (Ca), phosphate (PO(4)(3-)), magnesium (Mg), selenium (Se) and zinc (Zn) were assessed. Repeated measures (2 months interval) were conducted in eight boars of GA from one AI center. The activity of GGT (r = -0.482) and ALP (r = -0.459) was moderately associated (p < 0.05) with ejaculate volume and strongly associated with concentration (r = 0.580 and r = 0.618, respectively; p = 0.000). Moderate associations (p < 0.05) were found between ALP (r = 0.439), GGT (r = 0.387), Na (r = -0.428), K (r = 0.354), and Se (r = 0.354) with progressive motility. The SP concentration of Na (r = -0.401), Cl (r = -0.521), and K (r = 0.350) was associated (p < 0.05) with normal morphology. Only Mg was associated (p < 0.05) with membrane damage (r = -0.335). The concentration of Na, Cl, and Zn (1681.0 vs. 1701.0 µg/dL) was different between groups (p < 0.05). Repeated measures showed significant differences in time but only for Na, Mg, and Zn (p < 0.05). In conclusion, several biochemical components of SP were related to semen quality. The analysis of biochemical parameters could provide extra information about reproductive health of AI boars.
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Affiliation(s)
- Alfonso López Rodríguez
- Department of Obstetrics, Reproduction and Herd Health, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium.
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Yan F, Chen Y, Zuo Z, Chen Y, Yang Z, Wang C. Effects of tributyltin on epididymal function and sperm maturation in mice. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2009; 28:19-24. [PMID: 21783977 DOI: 10.1016/j.etap.2009.01.011] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2008] [Revised: 01/22/2009] [Accepted: 01/29/2009] [Indexed: 05/31/2023]
Abstract
The effects of tributyltin (TBT) on sperm parameters and epididymal function were investigated following oral doses of 0.5, 5 and 50μg/kg every 3 days for 45 days to male KM mouse. The TBT-treated groups showed a significant decrease in sperm counts and a significant increase in sperm abnormality both in a dose-dependent manner. The expression of matrilysin (MMP7) transcript in epididymis of mice exposed to TBT was significantly decreased in 5 and 50μg/kg group. There was a dose-dependent decline trend in the acid phosphatase activity, which somewhat relates with the TBT-induced increase in sperm abnormality. Acrosin and lactate dehydrogenase-X isoenzyme (LDH-X) activities from the cauda epididymal spermatozoa showed a dose-dependent decrease in the TBT groups. The result indicates a suppression of essential sperm maturational processes that precede the penetration of the oocyte by the sperm, such as capacitation and acrosome reaction. These results suggest that TBT could cause a spermatotoxic effects, the decline of sperm count and quality caused by TBT suggests that this chemical could impair fertility in animals.
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Affiliation(s)
- Feihuan Yan
- Key Laboratory of the Ministry of Education for Cell Biology and Tumor Cell Engineering, School of Life Sciences, Xiamen University, Xiamen City, China
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