Asociación entre receptores de leptina en testículo, niveles de leptina y testosterona en terneros púberes

Autores:
Ruiz, Z.Tatiana
Olivera, Martha
Tipo de recurso:
Article of journal
Fecha de publicación:
2010
Institución:
Universidad de Córdoba
Repositorio:
Repositorio Institucional Unicórdoba
Idioma:
spa
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oai:repositorio.unicordoba.edu.co:ucordoba/5528
Acceso en línea:
https://repositorio.unicordoba.edu.co/handle/ucordoba/5528
https://doi.org/10.21897/rmvz.307
Palabra clave:
Obesity gene
hormone
male sexual maturation
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openAccess
License
https://creativecommons.org/licenses/by-nc-sa/4.0/
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network_name_str Repositorio Institucional Unicórdoba
repository_id_str
dc.title.spa.fl_str_mv Asociación entre receptores de leptina en testículo, niveles de leptina y testosterona en terneros púberes
dc.title.translated.eng.fl_str_mv Asociación entre receptores de leptina en testículo, niveles de leptina y testosterona en terneros púberes
title Asociación entre receptores de leptina en testículo, niveles de leptina y testosterona en terneros púberes
spellingShingle Asociación entre receptores de leptina en testículo, niveles de leptina y testosterona en terneros púberes
Obesity gene
hormone
male sexual maturation
title_short Asociación entre receptores de leptina en testículo, niveles de leptina y testosterona en terneros púberes
title_full Asociación entre receptores de leptina en testículo, niveles de leptina y testosterona en terneros púberes
title_fullStr Asociación entre receptores de leptina en testículo, niveles de leptina y testosterona en terneros púberes
title_full_unstemmed Asociación entre receptores de leptina en testículo, niveles de leptina y testosterona en terneros púberes
title_sort Asociación entre receptores de leptina en testículo, niveles de leptina y testosterona en terneros púberes
dc.creator.fl_str_mv Ruiz, Z.Tatiana
Olivera, Martha
dc.contributor.author.spa.fl_str_mv Ruiz, Z.Tatiana
Olivera, Martha
dc.subject.spa.fl_str_mv Obesity gene
hormone
male sexual maturation
topic Obesity gene
hormone
male sexual maturation
publishDate 2010
dc.date.accessioned.none.fl_str_mv 2010-09-01 00:00:00
2022-07-01T20:59:00Z
dc.date.available.none.fl_str_mv 2010-09-01 00:00:00
2022-07-01T20:59:00Z
dc.date.issued.none.fl_str_mv 2010-09-01
dc.type.spa.fl_str_mv Artículo de revista
dc.type.eng.fl_str_mv Journal article
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dc.type.driver.spa.fl_str_mv info:eu-repo/semantics/article
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dc.type.content.spa.fl_str_mv Text
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dc.identifier.uri.none.fl_str_mv https://repositorio.unicordoba.edu.co/handle/ucordoba/5528
dc.identifier.doi.none.fl_str_mv 10.21897/rmvz.307
dc.identifier.url.none.fl_str_mv https://doi.org/10.21897/rmvz.307
dc.identifier.eissn.none.fl_str_mv 1909-0544
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1909-0544
url https://repositorio.unicordoba.edu.co/handle/ucordoba/5528
https://doi.org/10.21897/rmvz.307
dc.language.iso.spa.fl_str_mv spa
language spa
dc.relation.references.spa.fl_str_mv Zhang Y, Proenca R, Maffei M, Barone M, Leopold L, Friedman JM. Positional cloning of the mouse obese gene and its human homologue. Nature 1994; 372:425-32. http://dx.doi.org/10.1038/372425a0
Bartha T, Sayed-Ahmed A, Rudas P. Expression of leptin and its receptors in various tissues of ruminants. Domest Anim Endocrinol 2005; 29:193-202. http://dx.doi.org/10.1016/j.domaniend.2005.03.010
Houseknecht KL, Portocarrero CP. Leptin and its receptors: regulators of whole-body energy homeostasis. Domest Anim Endocrinol 1998; 15:457-75. http://dx.doi.org/10.1016/S0739-7240(98)00035-6
Barb CR, Hausman GJ, Houseknecht KL. Biology of leptin in the pig. Domest Anim Endocrinol 2001; 21:297-317. http://dx.doi.org/10.1016/S0739-7240(01)00123-0
Tartaglia LA. The leptin receptor. J Biol Chem 1997; 272:6093-6. http://dx.doi.org/10.1074/jbc.272.10.6093
Tartaglia LA, Dembski M, Weng X, Deng N, Culpepper J, Devos R, et al. Identification and expression cloning of a leptin receptor, OB-R. Cell 1995; 83:1263-71. http://dx.doi.org/10.1016/0092-8674(95)90151-5
Schneider JE, Zhou D, Blum RM. Leptin and metabolic control of reproduction. Horm Behav 2000; 37:306-26. http://dx.doi.org/10.1006/hbeh.2000.1590
Spicer LJ. Leptin: a possible metabolic signal affecting reproduction. Domest Anim Endocrinol 2001; 21:251-70. http://dx.doi.org/10.1016/S0739-7240(01)00120-5
Ruiz-Cortes ZT, Martel-Kennes Y, Gevry NY, Downey BR, Palin MF, Murphy BD. Biphasic effects of leptin in porcine granulosa cells. Biol Reprod 2003; 68:789-96. http://dx.doi.org/10.1095/biolreprod.102.010702
Ruiz-Cortes ZT, Men T, Palin MF, Downey BR, Lacroix DA, Murphy BD. Porcine leptin receptor: molecular structure and expression in the ovary. Mol Reprod Dev 2000; 56:465-74. http://dx.doi.org/10.1002/1098-2795(200008)56:4<465::AID-MRD4>3.3.CO;2-H http://dx.doi.org/10.1002/1098-2795(200008)56:4<465::AID-MRD4>3.0.CO;2-Q
Kawachi H, Yang SH, Hamano A, Matsui T, Smith SB, Yano H. Molecular cloning and expression of bovine (Bos taurus) leptin receptor isoform mRNAs. Comp Biochem Physiol B Biochem Mol Biol 2007; 148:167-73. http://dx.doi.org/10.1016/j.cbpb.2007.05.007
Williams GL, Amstalden M, Garcia MR, Stanko RL, Nizielski SE, Morrison CD, Keisler DH. Leptin and its role in the central regulation of reproduction in cattle. Domest Anim Endocrinol 2002; 23:339-49. http://dx.doi.org/10.1016/S0739-7240(02)00169-8
Barb CR, Kraeling RR. Role of leptin in the regulation of gonadotropin secretion in farm animals. Anim Reprod Sci 2004; 82-83:155-67.
Barb CR, Barrett JB, Kraeling RR, Rampacek GB. Serum leptin concentrations, luteinizing hormone and growth hormone secretion during feed and metabolic fuel restriction in the prepuberal gilt. Domest Anim Endocrinol 2001; 20:47-63. http://dx.doi.org/10.1016/S0739-7240(00)00088-6
Kaynard AH, Pau KY, Hess DL, Spies HG. Third-ventricular infusion of neuropeptide Y suppresses luteinizing hormone secretion in ovariectomized rhesus macaques. Endocrinology 1990; 127:2437-44. http://dx.doi.org/10.1210/endo-127-5-2437
Kalra SP. Mandatory neuropeptide-steroid signaling for the preovulatory luteinizing hormone-releasing hormone discharge. Endocr Rev 1993; 14:507-38. http://dx.doi.org/10.1210/edrv-14-5-507 http://dx.doi.org/10.1210/er.14.5.507
Malven PV, Haglof SA, Degroot H. Effects of intracerebral administration of neuropeptide-Y on secretion of luteinizing hormone in ovariectomized sheep. Brain Res Bull 1992; 28:871-5. http://dx.doi.org/10.1016/0361-9230(92)90207-E
Horlick MB, Rosenbaum M, Nicolson M, Levine LS, Fedun B, Wang J, Pierson RN, Jr., Leibel RL. Effect of puberty on the relationship between circulating leptin and body composition. J Clin Endocrinol Metab 2000; 85:2509-18. http://dx.doi.org/10.1210/jc.85.7.2509 http://dx.doi.org/10.1210/jcem.85.7.6689
Qian H, Barb CR, Compton MM, Hausman GJ, Azain MJ, Kraeling RR, Baile CA. Leptin mRNA expression and serum leptin concentrations as influenced by age, weight, and estradiol in pigs. Domest Anim Endocrinol 1999; 16:135-43. http://dx.doi.org/10.1016/S0739-7240(99)00004-1
Cheung CC, Thornton JE, Kuijper JL, Weigle DS, Clifton DK, Steiner RA. Leptin is a metabolic gate for the onset of puberty in the female rat. Endocrinology 1997; 138:855-8. http://dx.doi.org/10.1210/endo.138.2.5054
Garcia MR, Amstalden M, Williams SW, Stanko RL, Morrison CD, Keisler DH, Nizielski SE, Williams GL. Serum leptin and its adipose gene expression during pubertal development, the estrous cycle, and different seasons in cattle. J Anim Sci 2002; 80:2158-67. http://dx.doi.org/10.2527/2002.8082158x
Tena-Sempere M, Barreiro ML. Leptin in male reproduction: the testis paradigm. Mol Cell Endocrinol 2002; 188:9-13. http://dx.doi.org/10.1016/S0303-7207(02)00008-4
Tena-Sempere M, Manna PR, Zhang FP, Pinilla L, Gonzalez LC, Dieguez C, Huhtaniemi I, Aguilar E. Molecular mechanisms of leptin action in adult rat testis: potential targets for leptin-induced inhibition of steroidogenesis and pattern of leptin receptor messenger ribonucleic acid expression. J Endocrinol 2001; 170:413-23. http://dx.doi.org/10.1677/joe.0.1700413
Tena-Sempere M, Pinilla L, Gonzalez LC, Navarro J, Dieguez C, Casanueva FF, Aguilar E. In vitro pituitary and testicular effects of the leptin-related synthetic peptide leptin(116-130) amide involve actions both similar to and distinct from those of the native leptin molecule in the adult rat. Eur J Endocrinol 2000; 142:406-10. http://dx.doi.org/10.1530/eje.0.1420406
Tena-Sempere M, Pinilla L, Gonzalez LC, Dieguez C, Casanueva FF, Aguilar E. Leptin inhibits testosterone secretion from adult rat testis In vitro. J Endocrinol 1999; 161:211-8. http://dx.doi.org/10.1677/joe.0.1610211
Souza CE, Araujo AA, Oliveira JT, Lima Souza AC, Neiva JN, Moura AA. Reproductive development of Santa Ines rams during the first year of life: body and testis growth, testosterone concentrations, sperm parameters, age at puberty and seminal plasma proteins. Reprod Domest Anim 2010; 45:644-53.
Rawlings N, Evans AC, Chandolia RK, Bagu ET. Sexual maturation in the bull. Reprod Domest Anim 2008; 43 Suppl 2:295-301.
Price CA. Evidence that testosterone and follicular fluid do not interact in the control of FSH secretion in rams. Theriogenology 1994; 41:471-82. http://dx.doi.org/10.1016/0093-691X(94)90083-U
Kadokawa H, Briegel JR, Blackberry MA, Blache D, Martin GB, Adams NR. Relationships between plasma concentrations of leptin and other metabolic hormones in GH-transgenic sheep infused with glucose. Domest Anim Endocrinol 2003; 24:219-29. http://dx.doi.org/10.1016/S0739-7240(02)00237-0
Blache D, Tellam RL, Chagas LM, Blackberry MA, Vercoe PE, Martin GB. Level of nutrition affects leptin concentrations in plasma and cerebrospinal fluid in sheep. J Endocrinol 2000; 165:625-37. http://dx.doi.org/10.1677/joe.0.1650625
Finnerty M, Enright WJ, Roche JF. Testosterone, LH and FSH episodic secretory patterns in GnRH-immunized bulls. J Reprod Fertil 1998; 114:85-94. http://dx.doi.org/10.1530/jrf.0.1140085
Aranguren-Méndez J, Madrid-Bury N, González-Stagnaro C, Isea Villasmil W. Evaluación comparativa postpuberal de toretes mestizos 5/8 Bos taurus. 2. Comportamiento Reproductivo. Arch Latinoam Prod Anim 1997; 5:347-49.
Lunstra DD, Ford JJ, Echternkamp SE. Puberty in beef bulls: hormone concentrations, growth, testicular development, sperm production and sexual aggressiveness in bulls of different breeds. J Anim Sci 1978; 46:1054-62. http://dx.doi.org/10.2527/jas1978.4641054x
Brito L, Barth A, Rawlings N, Wilde R, Crews D, Jr., Mir P, Kastelic J. Circulating metabolic hormones during the peripubertal period and their association with testicular development in bulls. Reprod Domest Anim 2007; 42:502-8. http://dx.doi.org/10.1111/j.1439-0531.2006.00813.x
Barnes MA, Longnecker JV, Charter RC, Riesen JW, Woody CO. Influence of unilateral castration and increased plane of nutrition on sexual development of Holstein bulls. I. Growth and sperm production. Theriogenology 1980a; 14:49-58.
Barnes MA, Longnecker JV, Riesen JW, Woody CO. Influence of unilateral castration and increased plane of nutrition on sexual development of Holstein bulls. III. Endocrine responses. Theriogenology 1980b; 14:67-81.
Caprio M, Isidori AM, Carta AR, Moretti C, Dufau ML, Fabbri A. Expression of functional leptin receptors in rodent Leydig cells. Endocrinology 1999; 140:4939-47. http://dx.doi.org/10.1210/endo.140.11.7088 http://dx.doi.org/10.1210/en.140.11.4939
Tena-Sempere M, Pinilla L, Zhang FP, Gonzalez LC, Huhtaniemi I, Casanueva FF, Dieguez C, Aguilar E. Developmental and hormonal regulation of leptin receptor (Ob-R) messenger ribonucleic acid expression in rat testis. Biol Reprod 2001; 64:634-43. http://dx.doi.org/10.1095/biolreprod64.2.634
Caprio M, Fabbrini E, Ricci G, Basciani S, Gnessi L, Arizzi M, Carta AR, De Martino MU, Isidori AM, Frajese GV, Fabbri A. Ontogenesis of leptin receptor in rat Leydig cells. Biol Reprod 2003; 68:1199-207. http://dx.doi.org/10.1095/biolreprod.102.007831
Buff PR, Dodds AC, Morrison CD, Whitley NC, McFadin EL, Daniel JA, Djiane J, Keisler DH. Leptin in horses: tissue localization and relationship between peripheral concentrations of leptin and body condition. J Anim Sci 2002; 80:2942-8. http://dx.doi.org/10.2527/2002.80112942x
Jope T, Lammert A, Kratzsch J, Paasch U, Glander HJ. Leptin and leptin receptor in human seminal plasma and in human spermatozoa. Int J Androl 2003; 26:335-41. http://dx.doi.org/10.1111/j.1365-2605.2003.00434.x
Glander HJ, Lammert A, Paasch U, Glasow A, Kratzsch J. Leptin exists in tubuli seminiferi and in seminal plasma. Andrologia 2002; 34:227-33. http://dx.doi.org/10.1046/j.1439-0272.2002.00501.x
Uotani S, Abe T, Yamaguchi Y. Leptin activates AMP-activated protein kinase in hepatic cells via a JAK2-dependent pathway. Biochem Biophys Res Commun 2006; 351:171-5. http://dx.doi.org/10.1016/j.bbrc.2006.10.015
Maciel MN, Zieba DA, Amstalden M, Keisler DH, Neves JP, Williams GL. Chronic administration of recombinant ovine leptin in growing beef heifers: effects on secretion of LH, metabolic hormones, and timing of puberty. J Anim Sci 2004; 82:2930-6. http://dx.doi.org/10.2527/2004.82102930x
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dc.relation.citationedition.spa.fl_str_mv Núm. 3 , Año 2010 : Revista MVZ Córdoba volumen 15(3) Septiembre-Diciembre 2010
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spelling Ruiz, Z.Tatianabb749719-2521-4e32-86c2-345875133609-1Olivera, Martha838ed3e1-cba5-4b26-b246-78f27f41d762-12010-09-01 00:00:002022-07-01T20:59:00Z2010-09-01 00:00:002022-07-01T20:59:00Z2010-09-010122-0268https://repositorio.unicordoba.edu.co/handle/ucordoba/552810.21897/rmvz.307https://doi.org/10.21897/rmvz.3071909-0544application/pdfspaUniversidad de Córdobahttps://creativecommons.org/licenses/by-nc-sa/4.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2https://revistamvz.unicordoba.edu.co/article/view/307Obesity genehormonemale sexual maturationAsociación entre receptores de leptina en testículo, niveles de leptina y testosterona en terneros púberesAsociación entre receptores de leptina en testículo, niveles de leptina y testosterona en terneros púberesArtículo de revistaJournal articleinfo:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501http://purl.org/coar/resource_type/c_6501http://purl.org/coar/resource_type/c_2df8fbb1info:eu-repo/semantics/publishedVersionTexthttp://purl.org/redcol/resource_type/ARTREFhttp://purl.org/coar/version/c_970fb48d4fbd8a85Zhang Y, Proenca R, Maffei M, Barone M, Leopold L, Friedman JM. Positional cloning of the mouse obese gene and its human homologue. Nature 1994; 372:425-32. http://dx.doi.org/10.1038/372425a0Bartha T, Sayed-Ahmed A, Rudas P. Expression of leptin and its receptors in various tissues of ruminants. Domest Anim Endocrinol 2005; 29:193-202. http://dx.doi.org/10.1016/j.domaniend.2005.03.010Houseknecht KL, Portocarrero CP. Leptin and its receptors: regulators of whole-body energy homeostasis. Domest Anim Endocrinol 1998; 15:457-75. http://dx.doi.org/10.1016/S0739-7240(98)00035-6Barb CR, Hausman GJ, Houseknecht KL. Biology of leptin in the pig. Domest Anim Endocrinol 2001; 21:297-317. http://dx.doi.org/10.1016/S0739-7240(01)00123-0Tartaglia LA. The leptin receptor. J Biol Chem 1997; 272:6093-6. http://dx.doi.org/10.1074/jbc.272.10.6093Tartaglia LA, Dembski M, Weng X, Deng N, Culpepper J, Devos R, et al. Identification and expression cloning of a leptin receptor, OB-R. Cell 1995; 83:1263-71. http://dx.doi.org/10.1016/0092-8674(95)90151-5Schneider JE, Zhou D, Blum RM. Leptin and metabolic control of reproduction. Horm Behav 2000; 37:306-26. http://dx.doi.org/10.1006/hbeh.2000.1590Spicer LJ. Leptin: a possible metabolic signal affecting reproduction. Domest Anim Endocrinol 2001; 21:251-70. http://dx.doi.org/10.1016/S0739-7240(01)00120-5Ruiz-Cortes ZT, Martel-Kennes Y, Gevry NY, Downey BR, Palin MF, Murphy BD. Biphasic effects of leptin in porcine granulosa cells. Biol Reprod 2003; 68:789-96. http://dx.doi.org/10.1095/biolreprod.102.010702Ruiz-Cortes ZT, Men T, Palin MF, Downey BR, Lacroix DA, Murphy BD. Porcine leptin receptor: molecular structure and expression in the ovary. Mol Reprod Dev 2000; 56:465-74. http://dx.doi.org/10.1002/1098-2795(200008)56:4<465::AID-MRD4>3.3.CO;2-H http://dx.doi.org/10.1002/1098-2795(200008)56:4<465::AID-MRD4>3.0.CO;2-QKawachi H, Yang SH, Hamano A, Matsui T, Smith SB, Yano H. Molecular cloning and expression of bovine (Bos taurus) leptin receptor isoform mRNAs. Comp Biochem Physiol B Biochem Mol Biol 2007; 148:167-73. http://dx.doi.org/10.1016/j.cbpb.2007.05.007Williams GL, Amstalden M, Garcia MR, Stanko RL, Nizielski SE, Morrison CD, Keisler DH. Leptin and its role in the central regulation of reproduction in cattle. Domest Anim Endocrinol 2002; 23:339-49. http://dx.doi.org/10.1016/S0739-7240(02)00169-8Barb CR, Kraeling RR. Role of leptin in the regulation of gonadotropin secretion in farm animals. Anim Reprod Sci 2004; 82-83:155-67.Barb CR, Barrett JB, Kraeling RR, Rampacek GB. Serum leptin concentrations, luteinizing hormone and growth hormone secretion during feed and metabolic fuel restriction in the prepuberal gilt. Domest Anim Endocrinol 2001; 20:47-63. http://dx.doi.org/10.1016/S0739-7240(00)00088-6Kaynard AH, Pau KY, Hess DL, Spies HG. Third-ventricular infusion of neuropeptide Y suppresses luteinizing hormone secretion in ovariectomized rhesus macaques. Endocrinology 1990; 127:2437-44. http://dx.doi.org/10.1210/endo-127-5-2437Kalra SP. Mandatory neuropeptide-steroid signaling for the preovulatory luteinizing hormone-releasing hormone discharge. Endocr Rev 1993; 14:507-38. http://dx.doi.org/10.1210/edrv-14-5-507 http://dx.doi.org/10.1210/er.14.5.507Malven PV, Haglof SA, Degroot H. Effects of intracerebral administration of neuropeptide-Y on secretion of luteinizing hormone in ovariectomized sheep. Brain Res Bull 1992; 28:871-5. http://dx.doi.org/10.1016/0361-9230(92)90207-EHorlick MB, Rosenbaum M, Nicolson M, Levine LS, Fedun B, Wang J, Pierson RN, Jr., Leibel RL. Effect of puberty on the relationship between circulating leptin and body composition. J Clin Endocrinol Metab 2000; 85:2509-18. http://dx.doi.org/10.1210/jc.85.7.2509 http://dx.doi.org/10.1210/jcem.85.7.6689Qian H, Barb CR, Compton MM, Hausman GJ, Azain MJ, Kraeling RR, Baile CA. Leptin mRNA expression and serum leptin concentrations as influenced by age, weight, and estradiol in pigs. Domest Anim Endocrinol 1999; 16:135-43. http://dx.doi.org/10.1016/S0739-7240(99)00004-1Cheung CC, Thornton JE, Kuijper JL, Weigle DS, Clifton DK, Steiner RA. Leptin is a metabolic gate for the onset of puberty in the female rat. Endocrinology 1997; 138:855-8. http://dx.doi.org/10.1210/endo.138.2.5054Garcia MR, Amstalden M, Williams SW, Stanko RL, Morrison CD, Keisler DH, Nizielski SE, Williams GL. Serum leptin and its adipose gene expression during pubertal development, the estrous cycle, and different seasons in cattle. J Anim Sci 2002; 80:2158-67. http://dx.doi.org/10.2527/2002.8082158xTena-Sempere M, Barreiro ML. Leptin in male reproduction: the testis paradigm. Mol Cell Endocrinol 2002; 188:9-13. http://dx.doi.org/10.1016/S0303-7207(02)00008-4Tena-Sempere M, Manna PR, Zhang FP, Pinilla L, Gonzalez LC, Dieguez C, Huhtaniemi I, Aguilar E. Molecular mechanisms of leptin action in adult rat testis: potential targets for leptin-induced inhibition of steroidogenesis and pattern of leptin receptor messenger ribonucleic acid expression. J Endocrinol 2001; 170:413-23. http://dx.doi.org/10.1677/joe.0.1700413Tena-Sempere M, Pinilla L, Gonzalez LC, Navarro J, Dieguez C, Casanueva FF, Aguilar E. In vitro pituitary and testicular effects of the leptin-related synthetic peptide leptin(116-130) amide involve actions both similar to and distinct from those of the native leptin molecule in the adult rat. Eur J Endocrinol 2000; 142:406-10. http://dx.doi.org/10.1530/eje.0.1420406Tena-Sempere M, Pinilla L, Gonzalez LC, Dieguez C, Casanueva FF, Aguilar E. Leptin inhibits testosterone secretion from adult rat testis In vitro. 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J Anim Sci 2004; 82:2930-6. http://dx.doi.org/10.2527/2004.82102930xhttps://revistamvz.unicordoba.edu.co/article/download/307/375Núm. 3 , Año 2010 : Revista MVZ Córdoba volumen 15(3) Septiembre-Diciembre 2010315Revista MVZ CórdobaPublicationOREORE.xmltext/xml2585https://repositorio.unicordoba.edu.co/bitstreams/350cb25d-3f49-4f91-9159-cbe608b559a5/downloadffa8de445f50852f3b34332c230538f0MD51ucordoba/5528oai:repositorio.unicordoba.edu.co:ucordoba/55282023-10-06 00:45:58.042https://creativecommons.org/licenses/by-nc-sa/4.0/metadata.onlyhttps://repositorio.unicordoba.edu.coRepositorio Universidad de Córdobabdigital@metabiblioteca.com