Spermatogonial stem cells identified by molecular expression of PLZF, integrin β1 and reactivity to Dolichos biflorus agglutinin in alpaca adult testes

The identification system of spermatogonial stem cell (SSC) was established in alpaca using the molecular expression as well as the reactivity pattern to Dolichos biflorus agglutinin (DBA) by flow cytometry. Twenty‐four testicles with their epididymis were recovered from adult alpacas at the slaught...

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Veröffentlicht in:Andrologia 2019-07, Vol.51 (6), p.e13283-n/a
Hauptverfasser: Valdivia, Martha, Castañeda‐Zegarra, Sergio, Lévano, Gloria, Lazo, Jorge, Reyes, Jhakelin, Bravo, Zezé, Santiani, Alexei, Mujica, Fidel, Ruíz, Jaime, Gonzales, Gustavo F.
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container_issue 6
container_start_page e13283
container_title Andrologia
container_volume 51
creator Valdivia, Martha
Castañeda‐Zegarra, Sergio
Lévano, Gloria
Lazo, Jorge
Reyes, Jhakelin
Bravo, Zezé
Santiani, Alexei
Mujica, Fidel
Ruíz, Jaime
Gonzales, Gustavo F.
description The identification system of spermatogonial stem cell (SSC) was established in alpaca using the molecular expression as well as the reactivity pattern to Dolichos biflorus agglutinin (DBA) by flow cytometry. Twenty‐four testicles with their epididymis were recovered from adult alpacas at the slaughterhouse of Huancavelica—Perú. Samples were transported to the Laboratory of Reproductive Physiology at Universidad Nacional Mayor de San Marcos. Testes were selected for our study when the progressive motility of epididymal spermatozoa (ESPM) was above 30%. Isolation of SSC was performed with two enzymatic digestions. Finally, sperm viability was evaluated by means of the trypan blue vital stain in spermatogonial round cells. Samples with more than 80% viability were selected. Isolated cells cultured for 2 days were used for identifying the presence of SSCs by the expression of integrin β1 (116 bp) and PLZF (206 bp) genes. Spermatogonia were classified according to the DBA reactivity. Spermatogonia with a strong positive to DBA (sDBA+) were classified as SSC (Mean ± SEM=4.44 ± 0.68%). Spermatogonia in early differentiation stages stained weakly positive with DBA (wDBA+) (Mean ± SEM=37.44 ± 3.07%) and differentiated round cells as DBA negative (Mean ± SEM=54.12 ± 3.18%). With the use of molecular and DBA markers, it is possible to identify easily the spermatogonial stem cells in alpaca.
doi_str_mv 10.1111/and.13283
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Spermatogonia in early differentiation stages stained weakly positive with DBA (wDBA+) (Mean ± SEM=37.44 ± 3.07%) and differentiated round cells as DBA negative (Mean ± SEM=54.12 ± 3.18%). 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Spermatogonia in early differentiation stages stained weakly positive with DBA (wDBA+) (Mean ± SEM=37.44 ± 3.07%) and differentiated round cells as DBA negative (Mean ± SEM=54.12 ± 3.18%). 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Castañeda‐Zegarra, Sergio ; Lévano, Gloria ; Lazo, Jorge ; Reyes, Jhakelin ; Bravo, Zezé ; Santiani, Alexei ; Mujica, Fidel ; Ruíz, Jaime ; Gonzales, Gustavo F.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3033-44fd9c97a20b0ddab858e4ba6b3b37f91c2ba66e71103110e7262bd33206daab3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Abattoirs</topic><topic>Adult Germline Stem Cells - physiology</topic><topic>alpaca</topic><topic>Animals</topic><topic>Biomarkers - analysis</topic><topic>Biomarkers - metabolism</topic><topic>Camelids, New World</topic><topic>Cell Differentiation</topic><topic>Cell Separation - methods</topic><topic>Cell Separation - veterinary</topic><topic>Cells, Cultured</topic><topic>Conservation of Natural Resources</topic><topic>DBA</topic><topic>epididymal sperm mobility</topic><topic>Epididymis</topic><topic>Flow cytometry</topic><topic>Flow Cytometry - methods</topic><topic>Flow Cytometry - veterinary</topic><topic>Insemination, Artificial</topic><topic>Integrin beta1 - analysis</topic><topic>Integrin beta1 - metabolism</topic><topic>Male</topic><topic>molecular markers</topic><topic>Plant Lectins - chemistry</topic><topic>Promyelocytic Leukemia Zinc Finger Protein - analysis</topic><topic>Promyelocytic Leukemia Zinc Finger Protein - metabolism</topic><topic>Spermatogonia</topic><topic>Spermatogonia - physiology</topic><topic>SSC</topic><topic>Staining and Labeling - methods</topic><topic>Staining and Labeling - veterinary</topic><topic>Stem cells</topic><topic>Testes</topic><topic>Testis - cytology</topic><topic>Testis - metabolism</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Valdivia, Martha</creatorcontrib><creatorcontrib>Castañeda‐Zegarra, Sergio</creatorcontrib><creatorcontrib>Lévano, Gloria</creatorcontrib><creatorcontrib>Lazo, Jorge</creatorcontrib><creatorcontrib>Reyes, Jhakelin</creatorcontrib><creatorcontrib>Bravo, Zezé</creatorcontrib><creatorcontrib>Santiani, Alexei</creatorcontrib><creatorcontrib>Mujica, Fidel</creatorcontrib><creatorcontrib>Ruíz, Jaime</creatorcontrib><creatorcontrib>Gonzales, Gustavo F.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Nucleic Acids Abstracts</collection><collection>ProQuest Health &amp; 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Spermatogonia in early differentiation stages stained weakly positive with DBA (wDBA+) (Mean ± SEM=37.44 ± 3.07%) and differentiated round cells as DBA negative (Mean ± SEM=54.12 ± 3.18%). With the use of molecular and DBA markers, it is possible to identify easily the spermatogonial stem cells in alpaca.</abstract><cop>Germany</cop><pub>Wiley Subscription Services, Inc</pub><pmid>30957907</pmid><doi>10.1111/and.13283</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0001-9740-5490</orcidid><orcidid>https://orcid.org/0000-0002-8301-5536</orcidid><orcidid>https://orcid.org/0000-0002-8539-9262</orcidid><orcidid>https://orcid.org/0000-0001-9107-3712</orcidid><orcidid>https://orcid.org/0000-0001-9562-3099</orcidid><orcidid>https://orcid.org/0000-0003-1611-2894</orcidid><oa>free_for_read</oa></addata></record>
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subjects Abattoirs
Adult Germline Stem Cells - physiology
alpaca
Animals
Biomarkers - analysis
Biomarkers - metabolism
Camelids, New World
Cell Differentiation
Cell Separation - methods
Cell Separation - veterinary
Cells, Cultured
Conservation of Natural Resources
DBA
epididymal sperm mobility
Epididymis
Flow cytometry
Flow Cytometry - methods
Flow Cytometry - veterinary
Insemination, Artificial
Integrin beta1 - analysis
Integrin beta1 - metabolism
Male
molecular markers
Plant Lectins - chemistry
Promyelocytic Leukemia Zinc Finger Protein - analysis
Promyelocytic Leukemia Zinc Finger Protein - metabolism
Spermatogonia
Spermatogonia - physiology
SSC
Staining and Labeling - methods
Staining and Labeling - veterinary
Stem cells
Testes
Testis - cytology
Testis - metabolism
title Spermatogonial stem cells identified by molecular expression of PLZF, integrin β1 and reactivity to Dolichos biflorus agglutinin in alpaca adult testes
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