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Nunes FC, Santos SIP, Colnago LA, Hammer P, Ferreira JA, Ambrósio CE, Pallone EMJA. Impact of ZrO 2 Content on the Formation of Sr-Enriched Phosphates in Al 2O 3/ZrO 2 Nanocomposites for Bone Tissue Engineering. Materials (Basel) 2024; 17:1893. [PMID: 38673250 PMCID: PMC11052522 DOI: 10.3390/ma17081893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 03/26/2024] [Accepted: 03/28/2024] [Indexed: 04/28/2024]
Abstract
This study investigates the profound impact of the ZrO2 inclusion volume on the characteristics of Al2O3/ZrO2 nanocomposites, particularly influencing the formation of calcium phosphates on the surface. This research, aimed at advancing tissue engineering, prepared nanocomposites with 5, 10, and 15 vol% ZrO2, subjecting them to chemical surface treatment for enhanced calcium phosphate deposition sites. Biomimetic coating with Sr-enriched simulated body fluid (SBF) further enhanced the bioactivity of nanocomposites. While the ZrO2 concentration heightened the oxygen availability on nanocomposite surfaces, the quantity of Sr-containing phosphate was comparatively less influenced than the formation of calcium phosphate phases. Notably, the coated nanocomposites exhibited a high cell viability and no toxicity, signifying their potential in bone tissue engineering. Overall, these findings contribute to the development of regenerative biomaterials, holding promise for enhancing bone regeneration therapies.
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Affiliation(s)
- Fabio Caixeta Nunes
- Postgraduate Programme in Materials Science and Engineering, Faculty of Animal Science and Food Engineering (FZEA), University of São Paulo (USP), Av. Duque de Caxias Norte, 225, Pirassununga 13635-900, SP, Brazil;
| | - Sarah Ingrid Pinto Santos
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering (FZEA), University of São Paulo (USP), Pirassununga 13635-900, SP, Brazil; (S.I.P.S.); (C.E.A.)
| | - Luiz Alberto Colnago
- Brazilian Agricultural Research Corporation, EMBRAPA Instrumentation, Rua Quinze de Novembro, 1500/1501, São Carlos 13561-206, SP, Brazil;
| | - Peter Hammer
- Institute of Chemistry, São Paulo State University (UNESP), Araraquara 14800-900, SP, Brazil;
| | - Julieta Adriana Ferreira
- Fundação Hermínio Ometto, Fundação Hermínio Ometto (FHO), Av. Dr. Maximiliano Baruto, 500, Araras 13607-339, SP, Brazil;
| | - Carlos Eduardo Ambrósio
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering (FZEA), University of São Paulo (USP), Pirassununga 13635-900, SP, Brazil; (S.I.P.S.); (C.E.A.)
| | - Eliria Maria Jesus Agnolon Pallone
- Postgraduate Programme in Materials Science and Engineering, Faculty of Animal Science and Food Engineering (FZEA), University of São Paulo (USP), Av. Duque de Caxias Norte, 225, Pirassununga 13635-900, SP, Brazil;
- Department of Biosystem Engineering, Faculty of Animal Science and Food Engineering (FZEA), University of São Paulo (USP), Pirassununga 13635-900, SP, Brazil
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2
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Mariano CG, de Oliveira VC, Ambrósio CE. Gene editing in small and large animals for translational medicine: a review. Anim Reprod 2024; 21:e20230089. [PMID: 38628493 PMCID: PMC11019828 DOI: 10.1590/1984-3143-ar2023-0089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 02/16/2024] [Indexed: 04/19/2024] Open
Abstract
The CRISPR/Cas9 system is a simpler and more versatile method compared to other engineered nucleases such as Zinc Finger Nucleases (ZFNs) and Transcription Activator-Like Effector Nucleases (TALENs), and since its discovery, the efficiency of CRISPR-based genome editing has increased to the point that multiple and different types of edits can be made simultaneously. These advances in gene editing have revolutionized biotechnology by enabling precise genome editing with greater simplicity and efficacy than ever before. This tool has been successfully applied to a wide range of animal species, including cattle, pigs, dogs, and other small animals. Engineered nucleases cut the genome at specific target positions, triggering the cell's mechanisms to repair the damage and introduce a mutation to a specific genomic site. This review discusses novel genome-based CRISPR/Cas9 editing tools, methods developed to improve efficiency and specificity, the use of gene-editing on animal models and translational medicine, and the main challenges and limitations of CRISPR-based gene-editing approaches.
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Affiliation(s)
- Clésio Gomes Mariano
- Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo – USP, Pirassununga, SP, Brasil
| | - Vanessa Cristina de Oliveira
- Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo – USP, Pirassununga, SP, Brasil
| | - Carlos Eduardo Ambrósio
- Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo – USP, Pirassununga, SP, Brasil
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Valim Parca A, Godoy Pieri NC, Fantinato Neto P, Fernandes Bressan F, Ambrósio CE, Santos Martins DD. Comparative Analysis of Fluorescent Labeling Techniques for Tracking Canine Amniotic Stem Cells. Tissue Eng Part C Methods 2024; 30:183-192. [PMID: 38411508 DOI: 10.1089/ten.tec.2023.0286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/28/2024] Open
Abstract
The utmost aim of regenerative medicine is to promote the regeneration of injured tissues using stem cells. Amniotic mesenchymal stem cells (AmMSCs) have been used in several studies mainly because of their easy isolation from amniotic tissue postpartum and immunomodulatory and angiogenic properties and the low level of rejection. These cells share characteristics of both embryonic/fetal and adult stem cells and are particularly advantageous because they do not trigger tumorigenic activity when injected into immunocompromised animals. The large-scale use of AmMSCs for cellular therapies would greatly benefit from fluorescence labeling studies to validate their tracking in future therapies. This study evaluated the fluorophore positivity, fluorescence intensity, and longevity of canine AmMSCs. For this purpose, canine AmMSCs from the GDTI/USP biobank were submitted to three labeling conditions, two commercial fluorophores [CellTrace CFSE Cell Proliferation kit - CTrace, and CellTracker Green CMFDA - CTracker (CellTracker Green CMFDA, CT, #C2925, Molecular Probes®; Life Technologies)] and green fluorescent protein (GFP) expression after lentiviral transduction, to select the most suitable tracer in terms of adequate persistence and easy handling and analysis that could be used in studies of domestic animals. Fluorescence was detected in all groups; however, the patterns were different. Specifically, CTrace and CTracker fluorescence was detected 6 h after labeling, while GFP was visualized no earlier than 48 h after transduction. Flow cytometry analysis revealed more than 70% of positive cells on day 7 in the CTrace and CTracker groups, while fluorescence decreased significantly to 10% or less on day 20. Variations between repetitions were observed in the GFP group under the present conditions. Our results showed earlier fluorescence detection and more uniform results across repetitions for the commercial fluorophores. In contrast, fluorescence persisted for more extended periods in the GFP group. These results indicate a promising direction for assessing the roles of canine AmMSCs in regenerative medicine without genomic integration.
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Affiliation(s)
- Andressa Valim Parca
- Department of Veterinary Medicine, Faculty of Animal Sciences and Food Engineering, University of São Paulo, Pirassununga, Brazil
| | - Naira Caroline Godoy Pieri
- Department of Veterinary Medicine, Faculty of Animal Sciences and Food Engineering, University of São Paulo, Pirassununga, Brazil
| | - Paulo Fantinato Neto
- Department of Veterinary Medicine, Faculty of Animal Sciences and Food Engineering, University of São Paulo, Pirassununga, Brazil
| | - Fabiana Fernandes Bressan
- Department of Veterinary Medicine, Faculty of Animal Sciences and Food Engineering, University of São Paulo, Pirassununga, Brazil
| | - Carlos Eduardo Ambrósio
- Department of Veterinary Medicine, Faculty of Animal Sciences and Food Engineering, University of São Paulo, Pirassununga, Brazil
| | - Daniele Dos Santos Martins
- Department of Veterinary Medicine, Faculty of Animal Sciences and Food Engineering, University of São Paulo, Pirassununga, Brazil
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4
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Nascimento C, Saraiva MVA, Pereira VM, de Brito DCC, de Aguiar FLN, Alves BG, Roballo KCS, de Figueiredo JR, Ambrósio CE, Rodrigues APR. Addition of synthetic polymer in the freezing solution of mesenchymal stem cells from equine adipose tissue as a future perspective for reducing of DMSO concentration. Braz J Vet Med 2023; 45:e002523. [PMID: 38162818 PMCID: PMC10756151 DOI: 10.29374/2527-2179.bjvm002523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Accepted: 12/07/2023] [Indexed: 01/03/2024] Open
Abstract
The regenerative therapies with stem cells (SC) has been increased by the cryopreservation, permitting cell storage for extended periods. However, the permeating cryoprotectant agents (CPAs) such as dimethylsulfoxide (DMSO) can cause severe adverse effects. Therefore, this study evaluated equine mesenchymal stem cells derived from adipose tissue (eAT-MSCs) in fresh (Control) or after slow freezing (SF) in different freezing solutions (FS). The FS comprise DMSO and non-permeating CPAs [Trehalose (T) and the SuperCool X-1000 (X)] in association or not, totalizing seven different FS: (DMSO; T; X; DMSO+T; DMSO+X; T+X, and DMSO+T+X). Before and after cryopreservation were evaluated, viability, colony forming unit (CFU), and cellular differentiation capacity. After freezing-thawing, the viability of the eAT-MSCs reduced (P< 0.05) in all treatments compared to the control. However, the viability of frozen eAT-MSCs in DMSO (80.3 ± 0.6) was superior (P<0.05) to the other FS. Regarding CFU, no difference (P>0.05) was observed between fresh and frozen cells. After freezing-thawing, the eAT-MSCs showed osteogenic, chondrogenic, and adipogenic lineages differentiation potential. Nonetheless, despite the significative reduction in the osteogenic differentiation capacity between fresh and frozen cells, no differences (P > 0.05) were observed among FS. Furthermore, the number of chondrogenic differentiation cells frozen in DMSO+X solution reduced (P<0.05) comparing to the control, without differ (P>0.05) to the other FS. The adipogenic differentiation did not differ (P>0.05) among treatments. In conclusion, although these findings confirm the success of DMSO to cryopreserve eAT-MSCs, the Super Cool X-1000 could be a promise to reduce the DMSO concentration in a FS.
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Affiliation(s)
- Cátia Nascimento
- Veterinarian, MSc. Laboratório de Manipulação de Oócitos e Folículos Pré-Antrais Ovarianos (LAMOFOPA), Faculdade de Medicina Veterinária, Universidade Estadual do Ceará, Fortaleza, CE, Brazil;
| | | | - Vitoria Mattos Pereira
- Veterinarian, MSc. Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, SP, Brazil;
| | | | | | - Benner Geraldo Alves
- Veterinarian, DSc. Laboratório de Biologia da Reprodução, Universidade Federal de Uberlândia, Uberlândia, MG, Brazil;
| | - Kelly Cristine Santos Roballo
- Veterinarian, DSc. Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, SP, Brazil;
| | - José Ricardo de Figueiredo
- Veterinarian, DSc. LAMOFOPA, Faculdade de Medicina Veterinária, Universidade Estadual do Ceará, Fortaleza, CE, Brazil;
| | - Carlos Eduardo Ambrósio
- Veterinarian, DSc. Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, SP, Brazil;
| | - Ana Paula Ribeiro Rodrigues
- Veterinarian, DSc. LAMOFOPA, Faculdade de Medicina Veterinária, Universidade Estadual do Ceará, Fortaleza, CE, Brazil.
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Motta LCB, Pereira VM, Pinto PAF, Mançanares CAF, Pieri NCG, de Oliveira VC, Fantinato-Neto P, Ambrósio CE. 3D culture of mesenchymal stem cells from the yolk sac to generate intestinal organoid. Theriogenology 2023; 209:98-106. [PMID: 37379588 DOI: 10.1016/j.theriogenology.2023.06.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 05/22/2023] [Accepted: 06/02/2023] [Indexed: 06/30/2023]
Abstract
Organoids are in vitro models that originated from the three-dimensional culture of stem cells with the ability to reproduce part of the in vivo structural and functional specificities of body organs. Intestinal organoids have great relevance in cell therapy, as they provide more accurate information about tissue composition and architecture in relation to two-dimensional culture, in addition to serving as a study model for host interaction and drug testing. The yolk sac (YS) is a promising source of mesenchymal stem cells (MSCs), which are multipotent stem cells with self-renewal ability and potential to differentiated into mesenchymal lineages. Besides this, the YS is responsible for the formation of intestinal epithelium during embryonic development. Thus, the aim of this study was to verify if the three-dimensional in vitro culture of stem cells derived from the canine YS is capable of developing intestinal organoids. MSCs from the canine YS and gut cells were isolated and characterized, then three-dimensionally cultured in Matrigel. In both cells lineages, spherical organoids were observed and after 10 days the gut cells formed crypt-like buds and villus-like structures. Despite having the same induction of differentiation process and having the expression of intestinal markers, the MSC from the YS morphology was not in the form of crypt budding. The hypothesis is that these cells could generate structures equivalent to the intestinal organoids of the colon that other studies showed formed only spherical structures. The culture of MSC from the YS, as well as the establishment of protocols for 3D cultivation of this tissue, is relevant, as it will serve as a tool in various applications in basic and scientific biology.
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Affiliation(s)
- Lina Castelo Branco Motta
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo (USP), Pirassununga, São Paulo, Brazil; Department of Surgery, Faculty of Veterinary Medicine and Animal Science, University of São Paulo (USP), São Paulo, São Paulo, Brazil; Graduate Program in Translational Medicine, Drug Research and Development Center (NPDM), Federal University of Ceará (UFC), Fortaleza, Ceará, Brazil
| | - Vitória Mattos Pereira
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo (USP), Pirassununga, São Paulo, Brazil; School of Pharmacy, University of Wyoming, Laramie, WY, USA
| | - Priscilla Avelino Ferreira Pinto
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo (USP), Pirassununga, São Paulo, Brazil; Department of Surgery, Faculty of Veterinary Medicine and Animal Science, University of São Paulo (USP), São Paulo, São Paulo, Brazil
| | - Celina Almeida Furlanetto Mançanares
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo (USP), Pirassununga, São Paulo, Brazil
| | - Naira Caroline Godoi Pieri
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo (USP), Pirassununga, São Paulo, Brazil
| | - Vanessa Cristina de Oliveira
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo (USP), Pirassununga, São Paulo, Brazil
| | - Paulo Fantinato-Neto
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo (USP), Pirassununga, São Paulo, Brazil
| | - Carlos Eduardo Ambrósio
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo (USP), Pirassununga, São Paulo, Brazil.
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6
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Pereira VM, Pinto PAF, Motta LCB, Almeida MF, de Andrade AFC, Pavaneli APP, Ambrósio CE. Initial Characterization of 3D Culture of Yolk Sac Tissue. Animals (Basel) 2023; 13:ani13091435. [PMID: 37174472 PMCID: PMC10177165 DOI: 10.3390/ani13091435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 04/07/2023] [Accepted: 04/17/2023] [Indexed: 05/15/2023] Open
Abstract
The role of the yolk sac (YS) in miscarriage is not yet clear, largely due to ethical reasons that make in vivo studies difficult to conduct. However, 3D cultures could provide a solution to this problem by enabling cells to be arranged in a way that more closely mimics the structure of the YS as it exists in vivo. In this study, three domestic species (porcine, canine, and bovine) were chosen as models to standardize 3D culture techniques for the YS. Two techniques of 3D culture were chosen: the Matrigel® and Hanging-Drop techniques, and the 2D culture technique was used as a standardized method. The formed structures were initially characterized using scanning electron microscopy (SEM), immunohistochemistry (IHC), and quantitative real-time PCR (RT-qPCR). In general, the 3D culture samples showed better organization of the YS cells compared to 2D cultures. The formed structures from both 3D methods assemble the mesothelial layer of YS tissue. Regarding the IHC assay, all in vitro models were able to express zinc and cholesterol transport markers, although only 3D culture techniques were able to generate structures with different markers pattern, indicating a cell differentiation process when compared to 2D cultures. Regarding mRNA expression, the 3D models had a greater gene expression pattern on the Hemoglobin subunit zeta-like (HBZ) gene related to the YS tissue, although no significant expression was found in Alpha-fetoprotein (AFP), indicating a lack of endodermal differentiation in our 3D model. With the initial technique and characterization established, the next step is to maintain the cultures and characterize the diversity of cell populations, stemness, functions, and genetic stability of each 3D in vitro model.
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Affiliation(s)
- Vitória Mattos Pereira
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering (FZEA), University of São Paulo (USP), Pirassununga 13635-900, SP, Brazil
- School of Pharmacy, University of Wyoming, Laramie, WY 82072, USA
| | - Priscila Avelino Ferreira Pinto
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering (FZEA), University of São Paulo (USP), Pirassununga 13635-900, SP, Brazil
| | - Lina Castelo Branco Motta
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering (FZEA), University of São Paulo (USP), Pirassununga 13635-900, SP, Brazil
| | - Matheus F Almeida
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering (FZEA), University of São Paulo (USP), Pirassununga 13635-900, SP, Brazil
| | - André Furugen Cesar de Andrade
- Department of Animal Reproduction, School of Veterinary Medicine and Animal Science (FMVZ), University of São Paulo USP, Pirassununga 13635-900, SP, Brazil
| | - Ana Paula Pinoti Pavaneli
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering (FZEA), University of São Paulo (USP), Pirassununga 13635-900, SP, Brazil
| | - Carlos Eduardo Ambrósio
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering (FZEA), University of São Paulo (USP), Pirassununga 13635-900, SP, Brazil
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Scassiotti RF, de Paula Coutinho M, Pinto Santos SI, Ferreira Pinto PA, Ferreira de Almeida M, Karam RG, Maria da Silva Rosa P, Martins DDS, Coelho da Silveira J, Ambrósio CE. Adipose and amnion-derived mesenchymal stem cells: Extracellular vesicles characterization and implication for reproductive biotechnology. Theriogenology 2023; 198:264-272. [PMID: 36623429 DOI: 10.1016/j.theriogenology.2022.12.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 12/06/2022] [Accepted: 12/06/2022] [Indexed: 12/15/2022]
Abstract
The stem cell-based research for reproductive biotechnology has been widely studied and shows promise for repairing defective tissue or degenerated cells to treat different diseases. The adipose tissue and amniotic membrane have awakened great interest in regenerative medicine and arises as a promising source of mesenchymal stem cells. Both types, adipose and amniotic derived mesenchymal stem cells (AMSCs) are multipotent cells with an enhanced ability to differentiate into multiple lineages.. We aimed to evaluate the effect of basal supplementation of exosomes in cell cultures with canine amniotic mesenchymal stem cells (MSCs). Mesenchymal stem cells derived from canine amniotic and adipose tissue were isolated and cultured performing cell passages until 80-90% confluence was reached. The growth curve was determined and peak cell growth was observed in the second passage. The cells were then characterized and differentiated into adipogenic, chondrogenic and osteogenic lineages. Extracellular vesicles from amnion were isolated using an ultracentrifugation protocol and characterized by nanosight analysis. To evaluate their ability to improve cellular viability in naturally inefficient passages, exosomes were co-cultures to the MSC cells. The results showed a 15-20% increase in the expansion rate of cultures supplemented with vesicles extracted in the first and second passages when compared to the control group. Statistical analysis using the Dunnett test (p ≤ 0.05) corroborated this result, showing a positive correlation between supplementation and expansion rate. These results indicate not only the importance of exosomes in the cell communication process but also the feasibility of the culture supplementation protocol for therapeutic purposes. The potential of the AMSCs for reproductive biotechnology is undoubted, however, their application to repair reproductive disorders and the involved mechanisms remain elusive. The strategies to enable the Adipose Stem Cells and AMSCs application in reproductive biotechnology and optimize their use for tissue regeneration open new venues using exosomes interactions.
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Affiliation(s)
- Rodrigo Ferreira Scassiotti
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering - FZEA, Universidade de São Paulo, Pirassununga, Brazil
| | - Meline de Paula Coutinho
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering - FZEA, Universidade de São Paulo, Pirassununga, Brazil
| | - Sarah Ingrid Pinto Santos
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering - FZEA, Universidade de São Paulo, Pirassununga, Brazil
| | - Priscilla Avelino Ferreira Pinto
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering - FZEA, Universidade de São Paulo, Pirassununga, Brazil
| | - Matheus Ferreira de Almeida
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering - FZEA, Universidade de São Paulo, Pirassununga, Brazil
| | - Rafael Garcia Karam
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering - FZEA, Universidade de São Paulo, Pirassununga, Brazil
| | - Paola Maria da Silva Rosa
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering - FZEA, Universidade de São Paulo, Pirassununga, Brazil
| | - Daniele Dos Santos Martins
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering - FZEA, Universidade de São Paulo, Pirassununga, Brazil
| | - Juliano Coelho da Silveira
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering - FZEA, Universidade de São Paulo, Pirassununga, Brazil
| | - Carlos Eduardo Ambrósio
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering - FZEA, Universidade de São Paulo, Pirassununga, Brazil.
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8
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dos Santos TG, Orlandin JR, de Almeida MF, Scassiotti RF, Oliveira VC, Santos SIP, Pereira VM, Pinto PAF, Mariano CG, Ambrósio CE. Ozone therapy: protocol for treating canine parvovirus infection. Braz J Vet Med 2023; 45:e004622. [PMID: 36819842 PMCID: PMC9930911 DOI: 10.29374/2527-2179.bjvm004622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Accepted: 02/03/2023] [Indexed: 02/16/2023] Open
Abstract
Canine Parvovirus infection is a disease caused by Canine Parvovirus (CPV) that results in hemorrhagic gastroenteritis and secondary infections, mainly in puppies between six weeks and six months old that are not immunized. Since there is no specific treatment for the condition, supportive therapy based on antibiotics, antiemetics, and non-steroidal anti-inflammatory drugs is traditionally used. Ozone therapy is an economical treatment that has bactericidal, fungicidal, and antiviral properties, besides promoting oxygenation and tissue regeneration, as well as anti-inflammatory and analgesic effects, and was used as a complementary therapy in this study. Therefore, four mixed-breed dogs, aged between 2 and 3 months, with no previous immunization against CPV and testing positive for the virus in a rapid test were selected. The animals were randomly distributed into two groups, being 1: the control group (n=2) that received only supportive treatment; and 2: the experimental group (n=2), that in addition to conventional therapy received intravenously 500 mL of ozonized Ringer's Lactate solution. Before treatment and after 24 and 48 hours, the following clinical signs were evaluated: episodes of emesis and diarrhea, weight, hydration, blood glucose level, abdominal pain, and blood count. One control group animal died within the first hours of hospitalization. Both animals in the experimental group presented faster resolution of diarrheal episodes and shorter hospitalization time when compared to the surviving animal that received only supportive treatment. Although further studies are needed, ozone therapy showed promising results for the treatment of canine parvovirus.
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Affiliation(s)
- Tiago Gonçalves dos Santos
- Undergaduate in Veterinary MedicineDepartamento de Medicina VeterináriaFaculdade de Zootecnia e Engenharia de AlimentosPirassunungaSPBrazilUndergaduate in Veterinary Medicine, Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, USP, Pirassununga, SP, Brazil,Correspondence
Tiago Gonçalves dos Santos; Carlos Eduardo Ambrósio
Laboratório de Cultivo de Células Tronco e Terapia Gênica, Departamento de Medicina, Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo - USP
Av. Duque de Caxias Norte, 225, ZMV, Campus USP
CEP 13635-900 - Pirassununga (SP), Brasil
E-mail: ;
| | - Jéssica Rodrigues Orlandin
- VeterinarianDepartamento de Medicina VeterináriaFaculdade de Zootecnia e Engenharia de AlimentosPirassunungaSPBrazilVeterinarian, DSc. Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, USP, Pirassununga, SP, Brazil
| | - Matheus Ferreira de Almeida
- Undergaduate in Veterinary MedicineDepartamento de Medicina VeterináriaFaculdade de Zootecnia e Engenharia de AlimentosPirassunungaSPBrazilUndergaduate in Veterinary Medicine, Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, USP, Pirassununga, SP, Brazil
| | - Rodrigo Ferreira Scassiotti
- VeterinarianDepartamento de Medicina Veterinária Faculdade de Zootecnia e Engenharia de AlimentosPirassunungaSPBrazilVeterinarian, MSc. Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, USP, Pirassununga, SP, Brazil
| | - Vanessa Cristina Oliveira
- BiologistDepartamento de Medicina VeterináriaFaculdade de Zootecnia e Engenharia de AlimentosPirassunungaSPBrazilBiologist, DSc, Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, USP, Pirassununga, SP, Brazil.
| | - Sarah Ingrid Pinto Santos
- VeterinarianDepartamento de Medicina VeterináriaFaculdade de Zootecnia e Engenharia de AlimentosPirassunungaSPBrazilVeterinarian, DSc. Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, USP, Pirassununga, SP, Brazil
| | - Vitória Mattos Pereira
- Undergaduate in Veterinary MedicineDepartamento de Medicina VeterináriaFaculdade de Zootecnia e Engenharia de AlimentosPirassunungaSPBrazilUndergaduate in Veterinary Medicine, Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, USP, Pirassununga, SP, Brazil
| | - Priscilla Avelino Ferreira Pinto
- PhysiotherapistDepartamento de CirurgiaFaculdade de Medicina Veterinária e ZootecniaPirassunungaSPBrazilPhysiotherapist, MSc, Departamento de Cirurgia, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo (USP), Pirassununga, SP, Brazil
| | - Clésio Gomes Mariano
- BiologistDepartamento de Medicina VeterináriaFaculdade de Zootecnia e Engenharia de AlimentosPirassunungaSPBrazilBiologist, MSc. Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, USP, Pirassununga, SP, Brazil
| | - Carlos Eduardo Ambrósio
- VeterinarianDepartamento de Medicina VeterináriaFaculdade de Zootecnia e Engenharia de AlimentosPirassunungaSPBrazilVeterinarian, DSc, Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo (USP), Pirassununga, SP, Brazil.
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Bressan FF, Ambrósio CE, Brevini TA. Editorial: Embryonic, reprogrammed, and multipotent cells in domestic animals: In vivo and in vitro mechanisms and applications. Front Vet Sci 2023; 10:1151065. [PMID: 36865441 PMCID: PMC9971962 DOI: 10.3389/fvets.2023.1151065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Accepted: 01/31/2023] [Indexed: 02/16/2023] Open
Affiliation(s)
- Fabiana Fernandes Bressan
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, São Paulo, Brazil,*Correspondence: Fabiana Fernandes Bressan ✉
| | - Carlos Eduardo Ambrósio
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, São Paulo, Brazil
| | - Tiziana A. Brevini
- Department of Health, Animal Science and Food Safety and Center for Stem Cell Research, Università degli Studi di Milano, Milan, Italy
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Oliveira VCD, Roballo KCS, Mariano Junior CG, Ambrósio CE. Gene Editing Technologies Targeting TFAM and Its Relation to Mitochondrial Diseases. Adv Exp Med Biol 2023; 1429:173-189. [PMID: 37486522 DOI: 10.1007/978-3-031-33325-5_10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/25/2023]
Abstract
Mitochondria are organelles present in the cytoplasm of eukaryotic cells; they play a key role in adenosine triphosphate (ATP) synthesis and oxidative phosphorylation. Mitochondria have their own DNA, mitochondrial DNA (mtDNA), keeping the function of the mitochondria. Mitochondrial transcription factor A (TFAM) is a member of the HMGB subfamily that binds to mtDNA promoters is and considered essential in mtDNA replication and transcription. More recently, TFAM has been shown to play a central role in the maintenance and regulation of mitochondrial copy number, inflammatory response, expression regulation, and mitochondrial genome activity. Gene editing tools such as the CRISPR-Cas 9 technique, TALENs, and other gene editing tools have been used to investigate the role of TFAM in mitochondrial mechanics and biogenesis as well as its correlation to mitochondrial disorders. Thus this chapter brings a summary of mitochondria function, dysfunction, the importance of TFAM in the maintenance of mitochondria, and state of the art of gene editing tools involving TFAM and mtDNA.
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Affiliation(s)
- Vanessa Cristina de Oliveira
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga, SP, Brazil.
| | - Kelly Cristine Santos Roballo
- Biomedical Affairs and Research, Edward Via College of Osteopathic Medicine, Blacksburg, VA, USA
- Department of Biomedical Sciences and Pathobiology, Virginia Maryland College of Veterinary Medicine, Virginia Tech, Blacksburg, VA, USA
| | - Clesio Gomes Mariano Junior
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga, SP, Brazil
| | - Carlos Eduardo Ambrósio
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga, SP, Brazil
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Karam RG, Motta LCB, Almeida MFD, Bridi A, Silveira JCD, Ambrósio CE. Secretion pattern of canine amniotic stem cells derived extracellular vesicles. Anim Reprod 2022; 19:e20220063. [DOI: 10.1590/1984-3143-ar2022-0063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 10/25/2022] [Indexed: 11/16/2022] Open
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de Oliveira VC, Santos Roballo KC, Mariano Junior CG, Santos SIP, Bressan FF, Chiaratti MR, Tucker EJ, Davis EE, Concordet JP, Ambrósio CE. HEK293T Cells with TFAM Disruption by CRISPR-Cas9 as a Model for Mitochondrial Regulation. Life (Basel) 2021; 12:22. [PMID: 35054416 PMCID: PMC8779421 DOI: 10.3390/life12010022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 11/30/2021] [Accepted: 12/10/2021] [Indexed: 12/17/2022] Open
Abstract
The mitochondrial transcription factor A (TFAM) is considered a key factor in mitochondrial DNA (mtDNA) copy number. Given that the regulation of active copies of mtDNA is still not fully understood, we investigated the effects of CRISPR-Cas9 gene editing of TFAM in human embryonic kidney (HEK) 293T cells on mtDNA copy number. The aim of this study was to generate a new in vitro model by CRISPR-Cas9 system by editing the TFAM locus in HEK293T cells. Among the resulting single-cell clones, seven had high mutation rates (67-96%) and showed a decrease in mtDNA copy number compared to control. Cell staining with Mitotracker Red showed a reduction in fluorescence in the edited cells compared to the non-edited cells. Our findings suggest that the mtDNA copy number is directly related to TFAM control and its disruption results in interference with mitochondrial stability and maintenance.
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Affiliation(s)
- Vanessa Cristina de Oliveira
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, São Paulo 13635-900, Brazil; (K.C.S.R.); (C.G.M.J.); (S.I.P.S.); (F.F.B.); (C.E.A.)
| | - Kelly Cristine Santos Roballo
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, São Paulo 13635-900, Brazil; (K.C.S.R.); (C.G.M.J.); (S.I.P.S.); (F.F.B.); (C.E.A.)
- Edward Via College of Osteopathic Medicine, Blacksburg, VA 24060, USA
- Department of Biomedical Science and Pathology, Virginia-Maryland College of Veterinary Medicine, Virginia Tech, Blacksburg, VA 24060, USA
| | - Clésio Gomes Mariano Junior
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, São Paulo 13635-900, Brazil; (K.C.S.R.); (C.G.M.J.); (S.I.P.S.); (F.F.B.); (C.E.A.)
| | - Sarah Ingrid Pinto Santos
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, São Paulo 13635-900, Brazil; (K.C.S.R.); (C.G.M.J.); (S.I.P.S.); (F.F.B.); (C.E.A.)
| | - Fabiana Fernandes Bressan
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, São Paulo 13635-900, Brazil; (K.C.S.R.); (C.G.M.J.); (S.I.P.S.); (F.F.B.); (C.E.A.)
| | - Marcos Roberto Chiaratti
- Department of Genetics and Evolution, Federal University of São Carlos, São Carlos 13565-905, Brazil;
| | - Elena J. Tucker
- Murdoch Children’s Research Institute, Royal Children’s Hospital, Melbourne 3052, Australia;
- Department of Paediatrics, University of Melbourne, Melbourne 3010, Australia
| | - Erica E. Davis
- Stanley Manne Children’s Research Institute, Ann & Robert H. Lurie Children’s Hospital of Chicago, Chicago, IL 60611, USA;
- Department of Pediatrics, Feinberg School of Medicine, Northwestern University, Chicago, IL 1900, USA
- Department of Cell and Developmental Biology, Feinberg School of Medicine, Northwestern University, Chicago, IL 1900, USA
| | - Jean-Paul Concordet
- Laboratoire Structure et Instabilité des Génomes, Museum National d’Histoire Naturelle, INSERM U1154, CNRS UMR7196, 75231 Paris, France;
| | - Carlos Eduardo Ambrósio
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, São Paulo 13635-900, Brazil; (K.C.S.R.); (C.G.M.J.); (S.I.P.S.); (F.F.B.); (C.E.A.)
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Santos SIP, de Oliveira VC, Pieri NCG, Bressan FF, Ambrósio CE, Feitosa MLT. Isolation and characterization of neural stem cells from fetal canine spinal cord. Neurosci Lett 2021; 765:136293. [PMID: 34662661 DOI: 10.1016/j.neulet.2021.136293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 09/29/2021] [Accepted: 10/10/2021] [Indexed: 10/20/2022]
Abstract
Neurogenesis in adult mammals occurs mainly in the subventricular and subgranular areas of the brain, but there are also reports of its occurrence in the spinal cord. In a study on rats, neural stem cells and neuroprogenitor cells could be obtained through primary spinal cord culture, but there are no studies on these cells in canine species, to date. Dogs represent an appropriate animal model for studies on neurogenesis and neurological disorders. In addition, they are animals of great affective value, and the therapeutic use of neural stem cells can represent a breakthrough in regenerative veterinary medicine. Therefore, this study aimed to determine a protocol for the isolation, culture, and characterization of neural and neuroprogenitor stem cells derived from the spinal cord of canine fetuses. The cells were isolated from spinal cord fragments and cultured in serum-free culture medium supplemented with EGF and FGF-2 growth factors. These cells were observed daily by optical microscopy to analyze their morphological characteristics. From the third day in vitro, it was possible to observe translucent cell groupings, similar to the neurospheres, which approximately ranged from 50 µm to 200 µm at seven days in vitro. Throughout the culture period, the neurospheres developed ribbons in their periphery that migrated and communicated with other neurospheres. RT-PCR revealed that the cells expressed the characteristic genes SOX2, NESTIN, and GFAP. In addition to gene expression, the cells were phenotypically marked in the immunofluorescence assay for the proteins Nestin, GFAP, and β-tubulin III, characterizing them as neurospheres. Our results suggest that the spinal cord may be a source of neural stem cells and neural progenitor cells in canine fetuses. These cells may be an interesting option for neurogenesis and neuroregenerative therapy studies.
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Affiliation(s)
- Sarah Ingrid Pinto Santos
- Department of Veterinary Clinics, State University of Maranhão, Maranhão, Brazil; Faculty of Animal Science and Food Engineering, Sao Paulo University, São Paulo, Brazil
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Orlandin JR, Gomes IDS, Sallum Leandro SDF, Fuertes Cagnim A, Casals JB, Carregaro AB, Freitas SH, Machado LC, Reis Castiglioni MC, Garcia Alves AL, de Vasconcelos Machado VM, Ambrósio CE. Treatment of Chronic Spinal Cord Injury in Dogs Using Amniotic Membrane-Derived Stem Cells: Preliminary Results. Stem Cells Cloning 2021; 14:39-49. [PMID: 34703247 PMCID: PMC8536879 DOI: 10.2147/sccaa.s324184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Accepted: 09/03/2021] [Indexed: 11/23/2022]
Abstract
Introduction Intervertebral disc diseases (IVDD) represent the majority of neurological attendance and responsible for the most cases of paralysis in dogs. Treatments currently used do not show satisfactory results in patients with more severe and chronic neurological manifestations. Methods To promote nerve and muscular recovery, as well as improve quality of life, we aimed to create a double-blind test method, associating spinal decompression surgery and allogeneic transplantation of amniotic membrane-derived stem cells (AMSCs) in dogs with chronic IVDD. Cells were characterized as fetal mesenchymal cells and safe for application. Eight animals completed the experiment: stem cell applications were made in four animals that had previously undergone an unsuccessful surgical procedure (“SC group”, n = 4); two animals were submitted to surgery, followed by applications of stem cells (“Surgery + SC”, n = 2); two other animals were submitted to surgery, followed by the application of saline solution (“Surgery + placebo”, n = 2). During the surgical procedure, a topical application was performed on the lesion and after fifteen and forty-five days another two applications were made via epidural. Animals were monitored biweekly and reassessed three months after surgery, by functional tests and magnetic resonance exams. Results Some animals presented significant neurological improvement, such as the recovery of nociception and ability to remain on station. Despite the need further studies, until the present moment, cell therapy has been feasible and has no harmful effects on animals. Conclusion The protocol of preclinical trial showed the association with decompressive surgery and cell transplantation in dogs with thoracolumbar IVDD proved feasible, and it was possible to observe neurological improvement after treatment. No tissue improvement through MRI was found. The double-blind test guaranteed reliability of the evaluations and results obtained that, even with a small sample size, generated satisfactory results for the animals and owners.
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Affiliation(s)
- Jéssica Rodrigues Orlandin
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering (FZEA-USP), University of São Paulo, Pirassununga, São Paulo, Brazil
| | - Ingrid da Silva Gomes
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering (FZEA-USP), University of São Paulo, Pirassununga, São Paulo, Brazil
| | - Shamira de Fátima Sallum Leandro
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering (FZEA-USP), University of São Paulo, Pirassununga, São Paulo, Brazil
| | - Artur Fuertes Cagnim
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering (FZEA-USP), University of São Paulo, Pirassununga, São Paulo, Brazil
| | - Juliana Barbosa Casals
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering (FZEA-USP), University of São Paulo, Pirassununga, São Paulo, Brazil
| | - Adriano Bonfim Carregaro
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering (FZEA-USP), University of São Paulo, Pirassununga, São Paulo, Brazil
| | - Silvio Henrique Freitas
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering (FZEA-USP), University of São Paulo, Pirassununga, São Paulo, Brazil
| | - Luciana Cristina Machado
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering (FZEA-USP), University of São Paulo, Pirassununga, São Paulo, Brazil
| | - Maria Cristina Reis Castiglioni
- Department of Veterinary Medicine, School of Veterinary Medicine and Animal Science, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil
| | - Ana Liz Garcia Alves
- Department of Veterinary Medicine, School of Veterinary Medicine and Animal Science, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil
| | - Vânia Maria de Vasconcelos Machado
- Department of Veterinary Medicine, School of Veterinary Medicine and Animal Science, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil
| | - Carlos Eduardo Ambrósio
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering (FZEA-USP), University of São Paulo, Pirassununga, São Paulo, Brazil
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Guaraná JB, Müller AF, Strefezzi RDF, Oliveira FS, Machado LC, Ambrósio CE, Dória RGS, Freitas SHD. Swine viscera preservation in hypersaturated salt solution after alcohol fixation as a preparation method for educational purposes. Anat Histol Embryol 2021; 50:996-1006. [PMID: 34585765 DOI: 10.1111/ahe.12739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 08/03/2021] [Accepted: 09/08/2021] [Indexed: 11/28/2022]
Abstract
The use of live animals for educational purposes is an old practice that is still employed in teaching and research institutions. However, there are several objections to this practice, whether for ethical or humanitarian reasons. Surgical techniques teaching using anatomical pieces and/or preserved cadavers promotes greater learning efficiency, provides exercise repetition and increases the confidence and satisfaction of the students when compared to the use of live animals. The current work aimed to analyse the feasibility of using fresh swine urinary bladder and small intestines (jejunum), obtained from slaughterhouses, fixed in 99.8% ethyl alcohol (EA) and preserved in sodium chloride hypersaturated solution (SCHS) at 30%, for 7, 14 and 21 days, as an alternative method for surgical skills training (SST). Swine viscera, fixed in EA and preserved in SCHS, presented a realistic appearance, absence of odour and maintained the viable morphological characteristics during the performance of the operative techniques. Preservation solutions had low cost, were easy to acquire and did not offers risks to human health. Therefore, urinary bladders and small intestines fixed in 99.8% EA for 30 days and maintained in 30% SCHS at different periods were demonstrated as a good viable option as a preservation method for surgical skills training.
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Affiliation(s)
- Julia Belotto Guaraná
- Faculty of Animal Science and Food Engineering, Department of Veterinary Medicine, University of São Paulo (USP), Pirassununga, Brazil
| | - Alois Foltran Müller
- Faculty of Animal Science and Food Engineering, Department of Veterinary Medicine, University of São Paulo (USP), Pirassununga, Brazil
| | - Ricardo de Francisco Strefezzi
- Faculty of Animal Science and Food Engineering, Department of Veterinary Medicine, University of São Paulo (USP), Pirassununga, Brazil
| | - Fabrício Singaretti Oliveira
- Department of Animal Morphology and Physiology, School of Agrarian and Veterinary Sciences, São Paulo State University (Unesp), Jaboticabal, Brazil
| | - Luciana Cristina Machado
- Faculty of Animal Science and Food Engineering, Department of Veterinary Medicine, University of São Paulo (USP), Pirassununga, Brazil
| | - Carlos Eduardo Ambrósio
- Faculty of Animal Science and Food Engineering, Department of Veterinary Medicine, University of São Paulo (USP), Pirassununga, Brazil
| | - Renata Gebara Sampaio Dória
- Faculty of Animal Science and Food Engineering, Department of Veterinary Medicine, University of São Paulo (USP), Pirassununga, Brazil
| | - Silvio Henrique de Freitas
- Faculty of Animal Science and Food Engineering, Department of Veterinary Medicine, University of São Paulo (USP), Pirassununga, Brazil
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Recchia K, Jorge AS, Pessôa LVDF, Botigelli RC, Zugaib VC, de Souza AF, Martins DDS, Ambrósio CE, Bressan FF, Pieri NCG. Actions and Roles of FSH in Germinative Cells. Int J Mol Sci 2021; 22:10110. [PMID: 34576272 PMCID: PMC8470522 DOI: 10.3390/ijms221810110] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 09/13/2021] [Accepted: 09/14/2021] [Indexed: 12/21/2022] Open
Abstract
Follicle stimulating hormone (FSH) is produced by the pituitary gland in a coordinated hypothalamic-pituitary-gonadal (HPG) axis event, plays important roles in reproduction and germ cell development during different phases of reproductive development (fetal, neonatal, puberty, and adult life), and is consequently essential for fertility. FSH is a heterodimeric glycoprotein hormone of two dissociable subunits, α and β. The FSH β-subunit (FSHβ) function starts upon coupling to its specific receptor: follicle-stimulating hormone receptor (FSHR). FSHRs are localized mainly on the surface of target cells on the testis and ovary (granulosa and Sertoli cells) and have recently been found in testicular stem cells and extra-gonadal tissue. Several reproduction disorders are associated with absent or low FSH secretion, with mutation of the FSH β-subunit or the FSH receptor, and/or its signaling pathways. However, the influence of FSH on germ cells is still poorly understood; some studies have suggested that this hormone also plays a determinant role in the self-renewal of germinative cells and acts to increase undifferentiated spermatogonia proliferation. In addition, in vitro, together with other factors, it assists the process of differentiation of primordial germ cells (PGCLCs) into gametes (oocyte-like and SSCLCs). In this review, we describe relevant research on the influence of FSH on spermatogenesis and folliculogenesis, mainly in the germ cell of humans and other species. The possible roles of FSH in germ cell generation in vitro are also presented.
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Affiliation(s)
- Kaiana Recchia
- Department of Surgery, Faculty of Veterinary Medicine and Animal Sciences, University of São Paulo, São Paulo 01001-010, Brazil; (K.R.); (F.F.B.)
| | - Amanda Soares Jorge
- Department of Veterinary Medicine, School of Animal Sciences and Food Engineering, University of Sao Paulo, Pirassununga 13635-900, Brazil; (A.S.J.); (L.V.d.F.P.); (R.C.B.); (V.C.Z.); (D.d.S.M.); (C.E.A.)
| | - Laís Vicari de Figueiredo Pessôa
- Department of Veterinary Medicine, School of Animal Sciences and Food Engineering, University of Sao Paulo, Pirassununga 13635-900, Brazil; (A.S.J.); (L.V.d.F.P.); (R.C.B.); (V.C.Z.); (D.d.S.M.); (C.E.A.)
| | - Ramon Cesar Botigelli
- Department of Veterinary Medicine, School of Animal Sciences and Food Engineering, University of Sao Paulo, Pirassununga 13635-900, Brazil; (A.S.J.); (L.V.d.F.P.); (R.C.B.); (V.C.Z.); (D.d.S.M.); (C.E.A.)
- Department of Pharmacology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu 18618-970, Brazil
| | - Vanessa Cristiane Zugaib
- Department of Veterinary Medicine, School of Animal Sciences and Food Engineering, University of Sao Paulo, Pirassununga 13635-900, Brazil; (A.S.J.); (L.V.d.F.P.); (R.C.B.); (V.C.Z.); (D.d.S.M.); (C.E.A.)
| | - Aline Fernanda de Souza
- Department Biomedical Science, Ontary Veterinary College, University of Guelph, Guelph, ON N1G 2W1, Canada;
| | - Daniele dos Santos Martins
- Department of Veterinary Medicine, School of Animal Sciences and Food Engineering, University of Sao Paulo, Pirassununga 13635-900, Brazil; (A.S.J.); (L.V.d.F.P.); (R.C.B.); (V.C.Z.); (D.d.S.M.); (C.E.A.)
| | - Carlos Eduardo Ambrósio
- Department of Veterinary Medicine, School of Animal Sciences and Food Engineering, University of Sao Paulo, Pirassununga 13635-900, Brazil; (A.S.J.); (L.V.d.F.P.); (R.C.B.); (V.C.Z.); (D.d.S.M.); (C.E.A.)
| | - Fabiana Fernandes Bressan
- Department of Surgery, Faculty of Veterinary Medicine and Animal Sciences, University of São Paulo, São Paulo 01001-010, Brazil; (K.R.); (F.F.B.)
- Department of Veterinary Medicine, School of Animal Sciences and Food Engineering, University of Sao Paulo, Pirassununga 13635-900, Brazil; (A.S.J.); (L.V.d.F.P.); (R.C.B.); (V.C.Z.); (D.d.S.M.); (C.E.A.)
| | - Naira Caroline Godoy Pieri
- Department of Veterinary Medicine, School of Animal Sciences and Food Engineering, University of Sao Paulo, Pirassununga 13635-900, Brazil; (A.S.J.); (L.V.d.F.P.); (R.C.B.); (V.C.Z.); (D.d.S.M.); (C.E.A.)
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De Freitas SH, Müller AF, Fadel TR, Bessi WH, Dória RGS, Yamauchi KCI, Strefezzi RDF, Vidane AS, Fortulan CA, Ambrósio CE. Integration of heterologous bone matrix associated with polymethylmethacrylate in induced tibial bone defects. An experimental study in rabbits. Acta Cir Bras 2021; 36:e360704. [PMID: 34495139 PMCID: PMC8428686 DOI: 10.1590/acb360704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Accepted: 06/11/2021] [Indexed: 11/22/2022] Open
Abstract
PURPOSE To analyze and compare the reactions at the interface between the composite, composed of fragmented heterologous mineralized bone matrix (MOMHF) and polymethylmethacrylate (PMMA), and the rabbit's tibias, through macroscopic evaluation and scanning electron microscopy (SEM) in different periods. METHODS In this study, 12 New Zealand adult rabbits were used (E1: n = 3, E2: n = 3, E3: n = 3 and E4: n = 3). They had the right tibial defects filled with composite and were evaluated immediately after surgery and at 30, 60, 90, and 120 days. RESULTS The composites were incorporated and integrated into the recipient beds in 100% of the cases, defined by the MOMHF osseointegration and the PMMA fibrointegration, with no sign of infection, migration, or rejection. CONCLUSIONS The behavior of the composites in the recipient beds demonstrates that these biomaterials have the potential to be used in bone defect repairs, offering, thus, better quality of life to the orthopedic patient.
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Orlandin JR, Machado LC, Ambrósio CE, Travagli V. Ozone and its derivatives in veterinary medicine: A careful appraisal. Vet Anim Sci 2021; 13:100191. [PMID: 34401601 PMCID: PMC8350423 DOI: 10.1016/j.vas.2021.100191] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 07/16/2021] [Accepted: 07/25/2021] [Indexed: 11/05/2022] Open
Abstract
In the Vet field, there are lot of scientific publications with missing or incomplete data, poor case reports and papers without a control group or unrepresentative sample. Differences between animal and human blood composition, anatomy and physiology must be taken into consideration, especially in therapies not yet fully approved. Some practitioners produce their own ozonated solution or autohemotherapy, in the absence of information regarding the compatibility of the material used. Other than the properties of the commercial preparations, the standardization of both treatment methods and times influence the results obtained with ozone therapy.
The therapeutic use of ozone and its derivatives in the veterinary medicine it is still in an emergent stage. Gaseous ozone chemical instability makes necessary its extemporaneous preparation and the accordance about ozone treatments with the highest quality standards in publications is of paramount importance. Moreover, the numerous method of administration in different animal species, the prevalence of case reports, the deficiency of consistent evaluation of the outcomes, as well as the lack of standardization of the treatment operating procedures represents an open question for its spreading and official approval. The keywords “ozone”, “ozonated”, “ozonation” “ozonized”, “ozonization”, “oxygen-ozone therapy”, “veterinary”, “pets”, “animal” were used to perform a literature review using PubMed, Cochrane, Google Scholar, Zotero databases with the temporal restriction for published manuscripts starting from 2010. All the researches were critically evaluated, regardless of the impact factor, if any, of the journals in which they were presented. The deepening of the mechanisms of action of this bio-oxidative therapy can open new horizons on its use. The distinctive condition to achieve such a scenario is an improved knowledge of the qualitative/quantitative characteristics of ozone and its derivatives. All with the aim of taking nothing away to the cited original research papers, but of improving the promising therapeutic implications of ozone therapy in veterinary medicine as a standardization stimulus about this therapeutic resource with multiple application specificities.
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Affiliation(s)
- Jéssica Rodrigues Orlandin
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering (FZEA-USP), University of São Paulo, Pirassununga, São Paulo, Brazil.,Department of Biotechnology, Chemistry and Pharmacy - Department of National Excellence 2018-2022, University of Siena, Italy
| | - Luciana Cristina Machado
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering (FZEA-USP), University of São Paulo, Pirassununga, São Paulo, Brazil
| | - Carlos Eduardo Ambrósio
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering (FZEA-USP), University of São Paulo, Pirassununga, São Paulo, Brazil
| | - Valter Travagli
- Department of Biotechnology, Chemistry and Pharmacy - Department of National Excellence 2018-2022, University of Siena, Italy
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19
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de Sousa BR, de Oliveira VC, Pinheiro AO, Ambrósio CE. Characterization of hematopoietic stem cells from the canine yolk sac. Anim Reprod 2021; 18:e20210012. [PMID: 34306214 PMCID: PMC8291774 DOI: 10.1590/1984-3143-ar2021-0012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Accepted: 06/22/2021] [Indexed: 11/22/2022] Open
Abstract
The characterization of hematopoietic stem cells (HSC) from the canine yolk sac (cYS) can contribute to future gene therapies because it is possible to obtain information about the beginning of the development of the circulatory system through the characterization. The cYS is a likely source of HSC, which is a source of blood cell development in mammals. Studies in this field have been conducted for decades; however, interest in cellular therapy is currently at its peak with greater visibility, and these cells are a promising therapeutic tool for the treatment of diseases related to animals and humans. The aim of this study was to isolate and characterize HSC from the cYS embryos at 30 to 45 days of gestational age. Our results showed that the cYS was macroscopically located in the ventral region with a central portion and extremities. The cells in culture presented a circular morphology and cell clusters. The average cell viability was 22.55% dead cells out of 6.5 × 104 total cells. The cells were also able to form colonies on methylcellulose. Flow cytometry analysis revealed the expression of CD34, CD117, and CD45. Our results suggest that the cYS can be used as a source of hematopoietic cells, and this study is very important to understand the mechanism and development of the hematopoietic system in dogs.
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Affiliation(s)
- Bárbara Rossi de Sousa
- Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, SP, Brasil
| | - Vanessa Cristina de Oliveira
- Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, SP, Brasil
| | - Alessandra Oliveira Pinheiro
- Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, SP, Brasil
| | - Carlos Eduardo Ambrósio
- Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, SP, Brasil
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20
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Pinto PAF, Pereira VM, Motta LCB, Almeida MFD, Santos TGD, Oliveira VC, Machado LC, Ambrósio CE. Mammalian yolk sac - an alternative source of stem cells. Braz J Vet Med 2021. [DOI: 10.29374/2527-2179.bjvm001221] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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21
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Tavares MR, de Castro RVG, Pieri NCG, Cruz NRN, Martins DS, Ambrósio CE, Garcia JM, Camplesi AC, Bressan FF, Toniollo GH. Identification of hepatic progenitor cells in the canine fetal liver. Res Vet Sci 2020; 133:239-245. [PMID: 33032111 DOI: 10.1016/j.rvsc.2020.09.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 06/08/2020] [Accepted: 09/14/2020] [Indexed: 10/23/2022]
Abstract
The liver plays essential roles in human and animal organisms, such as the storage, release, metabolism, and elimination of various endogenous or exogenous substances. Although its vital importance, few treatments are yet available when a hepatic failure occurs, and hence, the use of stem cells has arisen as a possible solution for both human and veterinary medicines. Previous studies have shown the existence of hepatic progenitor cells in human fetuses that were positive for EpCAM and NCAM. There is limited evidence, however, further identification and characterization of these cells in other species. Considering the similarity between dogs and humans regarding physiology, and also the increasing importance of developing new treatments for both veterinary and translational medicine, this study attempted to identify hepatic progenitor cells in canine fetal liver. For that, livers from canine fetuses were collected, cells were isolated by enzymatic digestion and cultured. Cells were characterized regarding morphology and expression of EpCAM, NCAM, Nestin, and Thy-1/CD90 markers. Our results suggest that it is possible to identify hepatic progenitor cells in the canine fetal liver; however, for therapeutic use, further techniques for cellular isolation and culture are necessary to obtain enriched populations of hepatic progenitors from the canine fetal liver.
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Affiliation(s)
- M R Tavares
- Department of Preventive Veterinary Medicine and Animal Reproduction, Faculty of Agricultural and Animal Science, State University of São Paulo, Jaboticabal/SP, Brazil.
| | - R V G de Castro
- Department of Preventive Veterinary Medicine and Animal Reproduction, Faculty of Agricultural and Animal Science, State University of São Paulo, Jaboticabal/SP, Brazil; Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga/SP, Brazil
| | - N C G Pieri
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga/SP, Brazil
| | - N R N Cruz
- Department of Veterinary Clinical and Surgery, Faculty of Agricultural and Animal Science, State University of São Paulo, Jaboticabal/SP, Brazil
| | - D S Martins
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga/SP, Brazil; Post-Graduate Program in Anatomy of Domestic and Wild Animals, Faculty of Veterinary Medicine and Animal Sciences, University of São Paulo, São Paulo/SP, Brazil
| | - C E Ambrósio
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga/SP, Brazil; Post-Graduate Program in Anatomy of Domestic and Wild Animals, Faculty of Veterinary Medicine and Animal Sciences, University of São Paulo, São Paulo/SP, Brazil
| | - J M Garcia
- Department of Preventive Veterinary Medicine and Animal Reproduction, Faculty of Agricultural and Animal Science, State University of São Paulo, Jaboticabal/SP, Brazil
| | - A C Camplesi
- Department of Veterinary Clinical and Surgery, Faculty of Agricultural and Animal Science, State University of São Paulo, Jaboticabal/SP, Brazil
| | - F F Bressan
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga/SP, Brazil; Post-Graduate Program in Anatomy of Domestic and Wild Animals, Faculty of Veterinary Medicine and Animal Sciences, University of São Paulo, São Paulo/SP, Brazil..
| | - G H Toniollo
- Department of Preventive Veterinary Medicine and Animal Reproduction, Faculty of Agricultural and Animal Science, State University of São Paulo, Jaboticabal/SP, Brazil
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22
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Casals JB, Pieri NCG, Roballo KCS, Bressan FF, Favaron PO, Martins DDS, Ambrósio CE. Pluripotent stem cells proliferation is associated with placentation in dogs. Anim Reprod 2020; 17:e20200040. [PMID: 33029216 PMCID: PMC7534554 DOI: 10.1590/1984-3143-ar2020-0040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Pluripotent stem cells have been studied as source of cells for regenerative medicine and acquire or genetic diseases, as an innovative therapy. Most tissues have stem cells populations, however in few quantities or impossible to be used during adult life, which lead to scientists look for new sources. Thus, this study aimed to analyze the presence of pluripotent cells in the uterus and placenta, following up non-pregnant, pregnant (begin, middle, and final), and postpartum periods in dogs. The uteri were obtained from social castration programs for population control in Pirassununga, Sao Paulo, Brazil. It was collected 20 uteri at different stages. The samples were fixed and processed for immunohistochemical analysis of NANOG, OCT4 and SOX2 expression, knowing as pluripotent stem cells makers. Our results showed positive expression for NANOG, OCT4 and SOX2 in all stages of gestation and nonpregnant uterus; however, we highlight some quantitative different between stages. OCT4 showed more expression in non-pregnant uterus than NANOG and SOX2, and its expression increased in pregnant uterus. In pregnant uterus there was more expression of NANOG than OCT4 and SOX2. Interesting, no difference was found between these markers in the other periods. In conclusion, it was possible to identify pluripotent stem cells in all periods in dog placenta and uterus, however during the early stage of pregnancy we observed more pluripotent stem cells than in all the others periods confirming the high plasticity and regeneration capacity of the uterine tissue.
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Affiliation(s)
- Juliana Barbosa Casals
- Departamento de Cirurgia, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, São Paulo, SP, Brasil
| | - Naira Caroline Godoy Pieri
- Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, SP, Brasil
| | - Kelly Cristine Santos Roballo
- Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, SP, Brasil.,School of Pharmacy, University of Wyoming, Laramie, WY, USA
| | - Fabiana Fernandes Bressan
- Departamento de Cirurgia, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, São Paulo, SP, Brasil.,Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, SP, Brasil
| | - Phelipe Oliveira Favaron
- Departamento de Cirurgia, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, São Paulo, SP, Brasil
| | - Daniele Dos Santos Martins
- Departamento de Cirurgia, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, São Paulo, SP, Brasil.,Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, SP, Brasil
| | - Carlos Eduardo Ambrósio
- Departamento de Cirurgia, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, São Paulo, SP, Brasil.,Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, SP, Brasil
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23
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de Oliveira VC, Gomes Mariano Junior C, Belizário JE, Krieger JE, Fernandes Bressan F, Roballo KCS, Fantinato-Neto P, Meirelles FV, Chiaratti MR, Concordet JP, Ambrósio CE. Characterization of post-edited cells modified in the TFAM gene by CRISPR/Cas9 technology in the bovine model. PLoS One 2020; 15:e0235856. [PMID: 32649732 PMCID: PMC7351154 DOI: 10.1371/journal.pone.0235856] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 06/23/2020] [Indexed: 12/21/2022] Open
Abstract
Gene editing in large animal models for future applications in translational medicine and food production must be deeply investigated for an increase of knowledge. The mitochondrial transcription factor A (TFAM) is a member of the HMGB subfamily that binds to mtDNA promoters. This gene maintains mtDNA, and it is essential for the initiation of mtDNA transcription. Lately, we generated a new cell line through the disruption of the TFAM gene in bovine fibroblast cells by CRISPR/Cas 9 technology. We showed that the CRISPR/Cas9 design was efficient through the generation of heterozygous mutant clones. In this context, once this gene regulates the mtDNA replication specificity, the study aimed to determine if the post-edited cells are capable of in vitro maintenance and assess if they present changes in mtDNA copies and mitochondrial membrane potential after successive passages in culture. The post-edited cells were expanded in culture, and we performed a growth curve, doubling time, cell viability, mitochondrial DNA copy number, and mitochondrial membrane potential assays. The editing process did not make cell culture unfeasible, even though cell growth rate and viability were decreased compared to control since we observed the cells grow well when cultured in a medium supplemented with uridine and pyruvate. They also exhibited a classical fibroblastoid appearance. The RT-qPCR to determine the mtDNA copy number showed a decrease in the edited clones compared to the non-edited ones (control) in different cell passages. Cell staining with Mitotracker Green and red suggests a reduction in red fluorescence in the edited cells compared to the non-edited cells. Thus, through characterization, we demonstrated that the TFAM gene is critical to mitochondrial maintenance due to its interference in the stability of the mitochondrial DNA copy number in different cell passages and membrane potential confirming the decrease in mitochondrial activity in cells edited in heterozygosis.
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Affiliation(s)
- Vanessa Cristina de Oliveira
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga, São Paulo, Brazil
- * E-mail: ,
| | - Clésio Gomes Mariano Junior
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga, São Paulo, Brazil
| | - José Ernesto Belizário
- Department of Pharmacology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - José Eduardo Krieger
- Laboratory of Genetics and Molecular Cardiology, Heart Institute, University of São Paulo Medical School, São Paulo, Brazil
| | - Fabiana Fernandes Bressan
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga, São Paulo, Brazil
| | - Kelly Cristine Santos Roballo
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga, São Paulo, Brazil
- School of Pharmacy at College of Health Sciences, University of Wyoming, Laramie, WY, United States of America
| | - Paulo Fantinato-Neto
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga, São Paulo, Brazil
| | - Flávio Vieira Meirelles
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga, São Paulo, Brazil
| | | | - Jean-Paul Concordet
- Laboratoire Structure et Instabilité des Génomes, Museum National d’Histoire Naturelle, INSERM U1154, CNRS UMR7196, Paris, France
| | - Carlos Eduardo Ambrósio
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga, São Paulo, Brazil
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24
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Machado LC, Orlandin JR, Karam RG, Rós FA, Martins DDS, Costa GDM, Ambrósio CE. Morphology of male and female reproductive tract of the ocelot ( Leopardus pardalis). Anim Reprod 2020; 17:e20200010. [PMID: 32714460 PMCID: PMC7375876 DOI: 10.1590/1984-3143-ar2020-0010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
The Ocelot (Leopardus pardalis) is the largest species of this genus, despite having broad distribution in the Americas; it is included in the main list of endangered species. Their conservation is widely studied, but there is a lack of studies about their morphology. In order to contribute to the knowledge of its reproductive system, five male and female ocelots were examined macro- and microscopically by histological techniques. Macroscopic analysis of the male reproductive system revealed presence of prostate and bulbourethral gland located caudally to the urinary bladder and a penis with small spicules. Microscopically, the testes were encased by the tunica albuginea and divided it into lobules with 5-10 tubules per lobe. In females, macroscopic analysis demonstrated two ovaries position dorsally in the sublumbar region and caudal to the kidneys. The bicornuate uterus is composed by uterine horns (12 to 14 cm in length), which travels from the ovaries in a caudal direction to form a small uterine body (4 cm in length). The ovary analysis revealed, in longitudinal section, medullary region composed of loose connective tissue, a stroma rich in blood vessels, and an external parenchymal region surrounded by a tunica albuginea. The results of the study confirmed the similarity between ocelot's reproductive system as domestic cat's ones and showing for the first time the complete morphological tool to highlight these organs and tissue in this male and female endangered wild felid specie. The present study open venue for other researchers to consider morphological and preservationist features and aimed to help at long-term conservation of wild felines.
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Affiliation(s)
- Luciana Cristina Machado
- Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, SP, Brasil
| | - Jéssica Rodrigues Orlandin
- Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, SP, Brasil
| | - Rafael Garcia Karam
- Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, SP, Brasil
| | - Felipe Augusto Rós
- Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, Brasil
| | - Daniele Dos Santos Martins
- Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, SP, Brasil
| | - Gerlane de Medeiros Costa
- Laboratório de Zoologia e Morfologia Animal, Universidade do Estado do Mato Grosso, Alta Floresta, MT, Brasil
| | - Carlos Eduardo Ambrósio
- Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, SP, Brasil
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25
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Ambrósio CE, Orlandin JR, Oliveira VC, Motta LCB, Pinto PAF, Pereira VM, Padoveze LR, Karam RG, Pinheiro ADO. Potential application of aminiotic stem cells in veterinary medicine. Anim Reprod 2020; 16:24-30. [PMID: 33299475 PMCID: PMC7720931 DOI: 10.21451/1984-3143-ar2018-00124] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
In regenerative medicine stem cell biology has become one of the most interesting and more often studied subject. The amniotic membrane is the innermost layer of the fetal membranes and is considered a potential tool to treat many pathologies. It is used because it can be collected from discarded fetal material and is a rich source of stem cells with high proliferation and plasticity ratio capable of proliferating and differentiate in vitro. We propose to elucidate the characteristics and potencial clinical application of cells derived of amniotic membrane in veterinary medicine.
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Affiliation(s)
- Carlos Eduardo Ambrósio
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga, São Paulo, Brazil
| | - Jéssica Rodrigues Orlandin
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga, São Paulo, Brazil
| | - Vanessa Cristina Oliveira
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga, São Paulo, Brazil
| | - Lina Castelo Branco Motta
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga, São Paulo, Brazil
| | - Priscilla Avelino Ferreira Pinto
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga, São Paulo, Brazil
| | - Vitória Mattos Pereira
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga, São Paulo, Brazil
| | - Letícia Ribeiro Padoveze
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga, São Paulo, Brazil
| | - Rafael Garcia Karam
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga, São Paulo, Brazil
| | - Alessandra de Oliveira Pinheiro
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga, São Paulo, Brazil
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26
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Roballo KCS, Souza AF, Lara VM, Pinheiro AO, Gomes IDS, Karam RG, Martins DDS, Machado LC, Ambrósio CE. Canine fetus immune system at late development. Anim Reprod 2019; 16:328-331. [PMID: 33224294 PMCID: PMC7673595 DOI: 10.21451/1984-3143-ar2019-0004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
The immune system is mainly responsible for protecting the organism against agents that may interfere in its homeostasis. Thus, understand how this system develops and operates is very important, for create new therapies to assist this system in its operation, such as its failure. In domestic dogs, few studies show how actually occurs the development, maturation and functioning of the immune system. Therefore, this study demonstrates the development and possible activation of it on dog fetus from late gestational period by in situ and microscopic analyzes.
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Affiliation(s)
- Kelly Cristine Santos Roballo
- Department of Veterinary Medicine, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Pirassununga, SP, Brazil
| | - Aline Fernanda Souza
- Department of Surgery, Faculty of Veterinary Medicine and Animal Sciences, University of Sao Paulo, Sao Paulo, SP, Brazil
| | - Valéria Maria Lara
- Department of Veterinary Medicine, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Pirassununga, SP, Brazil
| | - Alessandra Oliveira Pinheiro
- Department of Veterinary Medicine, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Pirassununga, SP, Brazil
| | - Ingrid da Silva Gomes
- Department of Veterinary Medicine, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Pirassununga, SP, Brazil
| | - Rafael Garcia Karam
- Department of Surgery, Faculty of Veterinary Medicine and Animal Sciences, University of Sao Paulo, Sao Paulo, SP, Brazil
| | - Daniele Dos Santos Martins
- Department of Veterinary Medicine, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Pirassununga, SP, Brazil
| | - Luciana Cristina Machado
- Department of Veterinary Medicine, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Pirassununga, SP, Brazil
| | - Carlos Eduardo Ambrósio
- Department of Veterinary Medicine, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Pirassununga, SP, Brazil
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27
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Roballo KCS, da Silveira JC, Bressan FF, de Souza AF, Pereira VM, Porras JEP, Rós FA, Pulz LH, Strefezzi RDF, Martins DDS, Meirelles FV, Ambrósio CE. Neurons-derived extracellular vesicles promote neural differentiation of ADSCs: a model to prevent peripheral nerve degeneration. Sci Rep 2019; 9:11213. [PMID: 31371742 PMCID: PMC6671995 DOI: 10.1038/s41598-019-47229-x] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Accepted: 07/12/2019] [Indexed: 12/13/2022] Open
Abstract
Potential mechanisms involved in neural differentiation of adipocyte derived stem cells (ADSCs) are still unclear. In the present study, extracellular vesicles (EVs) were tested as a potential mechanism involved in the neuronal differentiation of stem cells. In order to address this, ADSCs and neurons (BRC) were established in primary culture and co-culture at three timepoints. Furthermore, we evaluated protein and transcript levels of differentiated ADSCs from the same timepoints, to confirm phenotype change to neuronal linage. Importantly, neuron-derived EVs cargo and EVs originated from co-culture were analyzed and tested in terms of function, such as gene expression and microRNA levels related to the adult neurogenesis process. Ideal neuron-like cells were identified and, therefore, we speculated the in vivo function of these cells in acute sciatic nerve injury. Overall, our data demonstrated that ADSCs in indirect contact with neurons differentiated into neuron-like cells. Neuron-derived EVs appear to play an important role in this process carrying SNAP25, miR-132 and miR-9. Additionally, in vivo neuron-like cells helped in microenvironment modulation probably preventing peripheral nerve injury degeneration. Consequently, our findings provide new insight of future methods of ADSC induction into neuronal linage to be applied in peripheral nerve (PN) injury.
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Affiliation(s)
- Kelly Cristine Santos Roballo
- Veterinary Medicine Department, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Av. Duque de Caxias Norte 225, 13635-900, Pirassununga, SP, Brazil
| | - Juliano Coelho da Silveira
- Veterinary Medicine Department, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Av. Duque de Caxias Norte 225, 13635-900, Pirassununga, SP, Brazil.
| | - Fabiana Fernandes Bressan
- Veterinary Medicine Department, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Av. Duque de Caxias Norte 225, 13635-900, Pirassununga, SP, Brazil
| | - Aline Fernanda de Souza
- Veterinary Medicine Department, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Av. Duque de Caxias Norte 225, 13635-900, Pirassununga, SP, Brazil
| | - Vitoria Mattos Pereira
- Veterinary Medicine Department, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Av. Duque de Caxias Norte 225, 13635-900, Pirassununga, SP, Brazil
| | - Jorge Eliecer Pinzon Porras
- Veterinary Medicine Department, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Av. Duque de Caxias Norte 225, 13635-900, Pirassununga, SP, Brazil.,Faculty of Veterinary Medicine and Animal Science, Department of Posgraduation, University National of Columbia, Bogota, Colombia
| | - Felipe Augusto Rós
- Veterinary Medicine Department, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Av. Duque de Caxias Norte 225, 13635-900, Pirassununga, SP, Brazil
| | - Lidia Hildebrand Pulz
- Experimental and Comparative Pathology Department, Faculty of Veterinary Medicine and Animal Science, University of Sao Paulo, Av. Prof. Orlando Marques de Paiva, 87 - Butantã, 05508-010, São Paulo, SP, Brazil
| | - Ricardo de Francisco Strefezzi
- Veterinary Medicine Department, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Av. Duque de Caxias Norte 225, 13635-900, Pirassununga, SP, Brazil.,Experimental and Comparative Pathology Department, Faculty of Veterinary Medicine and Animal Science, University of Sao Paulo, Av. Prof. Orlando Marques de Paiva, 87 - Butantã, 05508-010, São Paulo, SP, Brazil
| | - Daniele Dos Santos Martins
- Veterinary Medicine Department, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Av. Duque de Caxias Norte 225, 13635-900, Pirassununga, SP, Brazil
| | - Flavio Vieira Meirelles
- Veterinary Medicine Department, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Av. Duque de Caxias Norte 225, 13635-900, Pirassununga, SP, Brazil
| | - Carlos Eduardo Ambrósio
- Veterinary Medicine Department, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Av. Duque de Caxias Norte 225, 13635-900, Pirassununga, SP, Brazil
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Pieri NCG, Mançanares ACF, de Souza AF, Fernandes H, Diaza AMG, Bressan FF, Roballo KCS, Casals JB, Binelli M, Ambrósio CE, Dos Santos Martins D. Xenotransplantation of canine spermatogonial stem cells (cSSCs) regulated by FSH promotes spermatogenesis in infertile mice. Stem Cell Res Ther 2019; 10:135. [PMID: 31109365 PMCID: PMC6528206 DOI: 10.1186/s13287-019-1250-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2019] [Revised: 04/27/2019] [Accepted: 04/30/2019] [Indexed: 01/15/2023] Open
Abstract
Background Xenotransplantation of spermatogonial stem cells (SSCs) has become a popular topic in various research fields because manipulating these cells can provide insights into the mechanisms associated with germ cell lines and the entire spermatogenesis process; moreover, these cells can be used in several biotechnology applications. To achieve successful xenotransplantation, the in vitro microenvironment in which SSCs are cultured should be an ideal microenvironment for self-renewal and similar to the in vivo testicular microenvironment. The age of the donor, the correct spermatogenesis cycle, and the quality of the donor tissue are also important. Although cell culture-related factors, such as the in vitro supplementation of hormonal factors, are known to promote successful xenotransplantation in mice, little is known about the influence of these factors on SSCs in vitro or in vivo in other mammalian species, such as dogs (Canis lupus familiaris). In this context, the goals of this study were to test the effect of follicle-stimulating hormone (FSH) on canine spermatogonial stem cell (cSSC) cultures since this hormone is related to the glial cell-derived neurotrophic factor (GDNF) signaling pathway, which is responsible for the self-renewal and maintenance of these cells in vivo, and to investigate the microenvironment of the SSC culture after FSH supplementation. Additionally, in vivo analyses of transplanted FSH-supplemented cSSCs in the testes of infertile mice were performed to assess the capacity of cSSCs to develop, maintain, and restore spermatogenesis. Methods SSCs from canine prepubertal testes (aged 3 months) were cultured in vitro in the presence of FSH (10 IU L−1). GFRA1 transcript expression was detected to confirm the spermatogonia population in culture and the effect of FSH on these cells. The protein and transcript levels of late germ cell markers (GFRA1, DAZL, STRA8, PLZF, and CD49f) and a pluripotency marker (OCT4) were detected at 72 and 120 h to confirm the cSSC phenotype. In vivo experiments were performed by transplanting GFP+ cSSCs into infertile mice, and a 10-week follow-up was performed. Histological and immunofluorescence analyses were performed to confirm the repopulation capacity after cSSC xenotransplantation in the testis. Results Supplementation with FSH in cell culture increased the number of cSSCs positive for GFRA1. The cSSCs were also positive for the pluripotency and early germline marker OCT4 and the late germline markers PLZF, DAZL, C-kit, and GFRA-1. The in vivo experiments showed that the cSSCs xenotransplanted into infertile mouse testes were able to repopulate germline cells in the seminiferous tubules of mice. Conclusions In conclusion, our results showed for the first time that the treatment of cSSC cultures with FSH can promote in vitro self-renewal, increase the population of germline cells, and possibly influence the success of spermatogenesis in infertile mice in vivo.
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Affiliation(s)
- Naira Caroline Godoy Pieri
- Department of Surgery, Faculty of Veterinary Medicine and Animal Sciences, University of São Paulo, Av. Prof. Dr. Orlando Marques de Paiva, 87, Sao Paulo, SP, Brazil. .,Department of Reproduction, Faculty of Veterinary Medicine and Animal Sciences, University of São Paulo, Av. Prof. Dr. Orlando Marques de Paiva, 87, Sao Paulo, SP, Brazil.
| | | | - Aline Fernanda de Souza
- Department of Veterinary Medicine, Faculty of Animal Sciences and Food Engineering, University of São Paulo, Av. Duque de Caxias Norte, 225, Pirassununga, SP, Brazil
| | - Hugo Fernandes
- Department of Veterinary Medicine, Faculty of Animal Sciences and Food Engineering, University of São Paulo, Av. Duque de Caxias Norte, 225, Pirassununga, SP, Brazil
| | - Angela Maria Gonella Diaza
- North Florida Research and Education Center, Institute of Food and Agricultural Sciences, University of Florida, Marianna, FL, USA
| | - Fabiana Fernandes Bressan
- Department of Surgery, Faculty of Veterinary Medicine and Animal Sciences, University of São Paulo, Av. Prof. Dr. Orlando Marques de Paiva, 87, Sao Paulo, SP, Brazil.,Department of Veterinary Medicine, Faculty of Animal Sciences and Food Engineering, University of São Paulo, Av. Duque de Caxias Norte, 225, Pirassununga, SP, Brazil
| | - Kelly Cristine Santos Roballo
- Department of Veterinary Medicine, Faculty of Animal Sciences and Food Engineering, University of São Paulo, Av. Duque de Caxias Norte, 225, Pirassununga, SP, Brazil.,School of Pharmacy at University of Wyoming, 1000 E. University Avenue, Laramie, 82071, USA
| | - Juliana Barbosa Casals
- Department of Surgery, Faculty of Veterinary Medicine and Animal Sciences, University of São Paulo, Av. Prof. Dr. Orlando Marques de Paiva, 87, Sao Paulo, SP, Brazil
| | - Mario Binelli
- Department of Animal Sciences, University of Florida, L.E. "Red" Larson Building, Bldg. 499, Room 122 C, Gainesville, FL, 32611-0910, USA
| | - Carlos Eduardo Ambrósio
- Department of Surgery, Faculty of Veterinary Medicine and Animal Sciences, University of São Paulo, Av. Prof. Dr. Orlando Marques de Paiva, 87, Sao Paulo, SP, Brazil.,Department of Veterinary Medicine, Faculty of Animal Sciences and Food Engineering, University of São Paulo, Av. Duque de Caxias Norte, 225, Pirassununga, SP, Brazil
| | - Daniele Dos Santos Martins
- Department of Surgery, Faculty of Veterinary Medicine and Animal Sciences, University of São Paulo, Av. Prof. Dr. Orlando Marques de Paiva, 87, Sao Paulo, SP, Brazil.,Department of Veterinary Medicine, Faculty of Animal Sciences and Food Engineering, University of São Paulo, Av. Duque de Caxias Norte, 225, Pirassununga, SP, Brazil
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de Oliveira VC, Moreira GSA, Bressan FF, Gomes Mariano Junior C, Roballo KCS, Charpentier M, Concordet JP, Meirelles FV, Ambrósio CE. Edition of TFAM gene by CRISPR/Cas9 technology in bovine model. PLoS One 2019; 14:e0213376. [PMID: 30845180 PMCID: PMC6405117 DOI: 10.1371/journal.pone.0213376] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Accepted: 02/19/2019] [Indexed: 11/24/2022] Open
Abstract
The mitochondrial transcription factor A (TFAM) is a mitochondrial DNA (mtDNA) binding protein essential for the initiation of transcription and genome maintenance. Recently it was demonstrated that the primary role of TFAM is to maintain the integrity of mtDNA and that it is a key regulator of mtDNA copy number. It was also shown that TFAM plays a central role in the mtDNA stress-mediated inflammatory response. In our study, we proposed to evaluate the possibility of editing the TFAM gene by CRISPR/Cas9 technology in bovine fibroblasts, as TFAM regulates the replication specificity of mtDNA. We further attempted to maintain these cells in culture post edition in a medium supplemented with uridine and pyruvate to mimic Rho zero cells that are capable of surviving without mtDNA, because it is known that the TFAM gene is lethal in knockout mice and chicken. Moreover, we evaluated the effects of TFAM modification on mtDNA copy number. The CRISPR gRNA was designed to target exon 1 of the bovine TFAM gene and subsequently cloned. Fibroblasts were transfected with Cas9 and control plasmids. After 24 h of transfection, cells were analyzed by flow cytometry to evaluate the efficiency of transfection. The site directed-mutation frequency was assessed by T7 endonuclease assay, and cell clones were analyzed for mtDNA copy number by Sanger DNA sequencing. We achieved transfection efficiency of 51.3%. We selected 23 successfully transformed clones for further analysis, and seven of these exhibited directed mutations at the CRISPR/Cas9 targeted site. Moreover, we also found a decrease in mtDNA copy number in the gene edited clones compared to that in the controls. These TFAM gene mutant cells were viable in culture when supplemented with uridine and pyruvate. We conclude that this CRISPR/Cas9 design was efficient, resulting in seven heterozygous mutant clones and opening up the possibility to use these mutant cell lines as a model system to elucidate the role of TFAM in the maintenance of mtDNA integrity.
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Affiliation(s)
- Vanessa Cristina de Oliveira
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga, São Paulo, Brazil
| | - Gabriel Sassarão Alves Moreira
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga, São Paulo, Brazil
| | - Fabiana Fernandes Bressan
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga, São Paulo, Brazil
| | - Clésio Gomes Mariano Junior
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga, São Paulo, Brazil
| | - Kelly Cristine Santos Roballo
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga, São Paulo, Brazil
| | - Marine Charpentier
- Laboratoire Structure et Instabilité des Génomes, Museum National d’Histoire Naturelle, INSERM U1154, CNRS UMR7196, Paris, France
| | - Jean-Paul Concordet
- Laboratoire Structure et Instabilité des Génomes, Museum National d’Histoire Naturelle, INSERM U1154, CNRS UMR7196, Paris, France
| | - Flávio Vieira Meirelles
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga, São Paulo, Brazil
| | - Carlos Eduardo Ambrósio
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga, São Paulo, Brazil
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Schwarzbach SV, Melo CF, Xavier PLP, Roballo KC, Cordeiro YG, Ambrósio CE, Fukumasu H, Carregaro AB. Morphine, but not methadone, inhibits microsomal prostaglandin E synthase-1 and prostaglandin-endoperoxide synthase 2 in lipopolysaccharide-stimulated horse synoviocytes. Biochimie 2019; 160:28-33. [PMID: 30763639 DOI: 10.1016/j.biochi.2019.02.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Accepted: 02/08/2019] [Indexed: 11/15/2022]
Abstract
Osteoarthritis (OA) is one of the main locomotor disorders in horses. Although nonsteroidal anti-inflammatory drugs are the first-line treatment for OA, opioids could also be used. In previous studies, opioids showed promising anti-inflammatory and analgesic effects. In this study, we aimed to investigate the effects of two opioids (morphine and methadone) against inflammation in lipopolysaccharide (LPS)-stimulated synoviocytes by analyzing microsomal prostaglandin E synthase-1 (mPGES-1) and prostaglandin-endoperoxide synthase 2 (PTGS2) expression. Synoviocytes were obtained from the joints at the distal limbs of dead animals. The cytotoxic effects of LPS, morphine, and methadone were investigated by using a cell viability assay with crystal violet dye. Synoviocytes were treated with LPS, LPS plus morphine, or LPS plus methadone for 3, 6, and 12 h, and mPGES-1 and PTGS2 expression was measured using real-time polymerase chain reaction. LPS, and morphine did not affect the viability of synoviocytes, even at high concentrations. LPS treatment increased mPGES-1 and PTGS2 expression, whereas morphine inhibited the increase in mPGES-1 and PTGS2 expression in LPS-stimulated synoviocytes. Methadone did not inhibit mPGES-1 or PTGS2 expression. These results suggest that morphine may exhibit anti-inflammatory effect; therefore, it might be beneficial for the treatment of OA.
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Affiliation(s)
- S V Schwarzbach
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga, SP, Brazil
| | - C F Melo
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga, SP, Brazil
| | - P L P Xavier
- Laboratory of Comparative and Translational Oncology (LOCT), Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga, SP, Brazil
| | - K C Roballo
- Innovative Therapies Group (GDTI), Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga, SP, Brazil
| | - Y G Cordeiro
- Laboratory of Comparative and Translational Oncology (LOCT), Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga, SP, Brazil
| | - C E Ambrósio
- Innovative Therapies Group (GDTI), Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga, SP, Brazil
| | - H Fukumasu
- Laboratory of Comparative and Translational Oncology (LOCT), Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga, SP, Brazil
| | - A B Carregaro
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga, SP, Brazil.
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Ambrósio CE, Orlandin JR, Oliveira VC, Motta LCB, Pinto PAF, Pereira VM, Padoveze LR, Karam RG, Pinheiro ADO. Potential application of aminiotic stem cells in veterinary medicine. Anim Reprod 2019. [DOI: 10.21451/1984-3143-ar2018-0124] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
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Costa Gerger RPD, Souza Ribeiro ED, Zago FC, Aguiar LHD, Rodriguez-Villamil P, Ongaratto FL, Ambrósio CE, Miglino MA, Rodrigues JL, Forell F, Bertolini LR, Bertolini M. Effects of fusion-activation interval and embryo aggregation on in vitro and in vivo development of bovine cloned embryos. Res Vet Sci 2019; 123:91-98. [PMID: 30597478 DOI: 10.1016/j.rvsc.2018.12.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Revised: 11/16/2018] [Accepted: 12/13/2018] [Indexed: 11/27/2022]
Abstract
Nuclear reprogramming in somatic cell cloning is one of the key factors for proper development, with variations in the protocol appearing to improve cloning efficiency. This study aimed to determine the effects of two fusion-activation intervals and the aggregation of bovine cloned embryos on subsequent in vitro and in vivo development. Zygotes produced by handmade cloning were exposed to two fusion-activation intervals (2 h or 4 h), and then cultured in microwells either individually (1 × 100%) or after aggregation of two structures (2 × 100%). Zona-intact oocytes and zona-free oocytes and hemi-oocytes were used as parthenote controls under the same fusion-activation intervals. Day-7 cloned blastocysts were transferred to synchronous recipients. Cleavage (Day 2), blastocyst (Day 7) and pregnancy (Day 30) rates were compared by the χ2 test (P < .05). Extending fusion-activation interval from 2 to 4 h reduced cleavage (91.0 vs. 74.4%) but not blastocyst (34.8 vs. 42.0%) rates. On a microwell basis, cloned embryo aggregation (2 × 100%) increased cleavage (91.5% vs. 74.4%) and blastocyst (46.0% vs. 31.3%) rates compared to controls (1 × 100%), but did not improve the overall embryo production efficiency on Day 7 (23.0% vs. 31.3%), on a per reconstructed embryo basis, respectively. Treatments had no effects on in vitro developmental kinetics, embryo quality, and in vivo development. In summary, the fusion-activation interval and/or the aggregation of cloned bovine embryos did not affect cloning efficiency based on the in vitro development to the blastocyst stage and on pregnancy outcome.
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Affiliation(s)
- Renato Pereira da Costa Gerger
- Center of Agronomy and Veterinary Sciences, Santa Catarina State University, Lages, SC, Brazil; School of Veterinary Medicine, University of São Paulo, São Paulo, SP, Brazil
| | | | | | - Luís Henrique de Aguiar
- School of Veterinary Medicine, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Paula Rodriguez-Villamil
- School of Veterinary Medicine, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Felipe Ledur Ongaratto
- School of Veterinary Medicine, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | | | | | - José Luiz Rodrigues
- School of Veterinary Medicine, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Fabiana Forell
- Center of Agronomy and Veterinary Sciences, Santa Catarina State University, Lages, SC, Brazil
| | | | - Marcelo Bertolini
- School of Veterinary Medicine, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil.
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Zomer HD, Roballo KC, Lessa TB, Bressan FF, Gonçalves NN, Meirelles FV, Trentin AG, Ambrósio CE. Distinct features of rabbit and human adipose-derived mesenchymal stem cells: implications for biotechnology and translational research. Stem Cells Cloning 2018; 11:43-54. [PMID: 30425533 PMCID: PMC6204872 DOI: 10.2147/sccaa.s175749] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Introduction Owing to their similarity with humans, rabbits are useful for multiple applications in biotechnology and translational research from basic to preclinical studies. In this sense, mesenchymal stem cells (MSCs) are known for their therapeutic potential and promising future in regenerative medicine. As many studies have been using rabbit adipose-derived MSCs (ASCs) as a model of human ASCs (hASCs), it is fundamental to compare their characteristics and understand how distinct features could affect the translation to human medicine. Objective The aim of this study was to comparatively characterize rabbit ASCs (rASCs) and hASCs to further uses in biotechnology and translational studies. Materials and methods rASCs and hASCs were isolated and characterized by their immunophenotype, differentiation potential, proliferative profile, and nuclear stability in vitro. Results and discussion Both ASCs presented differentiation potential to osteocytes, chondrocytes, and adipocytes and shared similar immunophenotype expression to CD105+, CD34−, and CD45−, but rabbit cells expressed significantly lower CD73 and CD90 than human cells. In addition, rASCs presented greater clonogenic potential and proliferation rate than hASCs but no difference in nuclear alterations. Conclusion The distinct features of rASCs and hASCs can positively or negatively affect their use for different applications in biotechnology (such as cell reprogramming) and translational studies (such as cell transplantation, tissue engineering, and pharmacokinetics). Nevertheless, the particularities between rabbit and human MSCs should not prevent rabbit use in preclinical models, but care should be taken to interpret results and properly translate animal findings to medicine.
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Affiliation(s)
- Helena Debiazi Zomer
- Department of Cell Biology, Embryology and Genetic, Faculty of Biological Sciences, Santa Catarina Federal University (UFSC), Florianópolis, Brazil.,Department of Surgery, Sector Anatomy, Faculty of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil,
| | - Kelly Cs Roballo
- Department of Surgery, Sector Anatomy, Faculty of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil,
| | - Thais Borges Lessa
- Department of Surgery, Sector Anatomy, Faculty of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil,
| | - Fabiana Fernandes Bressan
- Department of Surgery, Sector Anatomy, Faculty of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil,
| | - Natália Nardeli Gonçalves
- Department of Surgery, Sector Anatomy, Faculty of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil,
| | - Flávio Vieira Meirelles
- Department of Surgery, Sector Anatomy, Faculty of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil, .,Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, São Paulo, Brazil,
| | - Andrea Gonçalves Trentin
- Department of Cell Biology, Embryology and Genetic, Faculty of Biological Sciences, Santa Catarina Federal University (UFSC), Florianópolis, Brazil
| | - Carlos Eduardo Ambrósio
- Department of Surgery, Sector Anatomy, Faculty of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil, .,Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, São Paulo, Brazil,
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Cabral LG, Facciotti PR, Teixeira DG, Araújo KPC, Martins DDS, Rici REG, Ambrósio CE, Miglino MA, Mariana ANB. Comportamento da artéria ovárica em éguas sem raça definida (Equus caballus, Linnaeus, 1758). ACTA SCI VET 2018. [DOI: 10.22456/1679-9216.16128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Dória RGS, Freitas SHD, Hayasaka YDB, Hage MCFNS, Strefezzi RDF, Carregaro AB, Reginato GM, Ambrósio CE, Müller AF. Evaluation of polyamide surgical mesh as an abdominal ventral implant in rabbits. Acta Cir Bras 2018; 33:454-461. [DOI: 10.1590/s0102-865020180050000008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Accepted: 04/25/2018] [Indexed: 11/21/2022] Open
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Gaiad TP, Oliveira MX, Lobo AR, Libório LR, Pinto PAF, Fernandes DC, Santos AP, Ambrósio CE, Machado ASD. Low-intensity training provokes adaptive extracellular matrix turnover of a muscular dystrophy model. J Exerc Rehabil 2017; 13:693-703. [PMID: 29326902 PMCID: PMC5747205 DOI: 10.12965/jer.1735094.547] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Accepted: 12/05/2017] [Indexed: 11/22/2022] Open
Abstract
Recommendations of therapeutic exercise in Duchenne muscular dystrophy are still controversial. The hypothesis that a low-intensity training (LIT) protocol leads to muscle adaptations on mdx mice model was tested. Dystrophic male mice with 8 weeks old were separated in exercised (mdxE, n= 8) and sedentary (mdxC, n= 8) groups. Wild-type mice were used as control (WT, n= 8) group. Exercised group underwent a LIT protocol (9 m/min, 30 min, 3 days/wk, 60 days) on a horizontal treadmill. At day 60 all animals were analyzed regarding parameters of markers of muscle lesion and extracellular matrix turnover of muscle tissue by collagens fibers on tibial anterior muscle. Histomorphometry attested that centrally located nuclei fibers and the coefficient of variance of minimal Feret’s diameter was similar in mdxE and mdxC groups (P= 1.000) and both groups presented higher mean values than WT group (P< 0.001). Fraction area of collagen fibers of mdxE group was lower than mdxC group (P= 0,027) and similar to WT group (P= 0,751). Intramuscular area of Col3 of the mdxE group was higher than mdxC and WT groups (P<0.001). Intramuscular area of Col1 on the mdxE group was similar to the mdxC group (P= 1.000) and both groups were higher than WT group (P< 0.001). LIT protocol had not influenced muscle injuries resulting from the dystrophin-deficiency membrane fragility. Although, LIT had provoked adaptations on extracellular matrix bringing higher elastic feature to dystrophic muscle tissue.
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Affiliation(s)
- Thaís P Gaiad
- Department of Physical Therapy, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
| | - Murilo X Oliveira
- Department of Physical Therapy, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
| | - Adalfredo R Lobo
- Institute of Agriculture Scinces, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Unaí, Brazil
| | - Lívia R Libório
- Department of Physical Therapy, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
| | - Priscilla A F Pinto
- Department of Physical Therapy, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
| | - Danielle C Fernandes
- Department of Physical Therapy, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
| | - Ana Paula Santos
- Department of Physical Therapy, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
| | | | - Alex Sander D Machado
- Faculty of Medicine FAMED, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
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Feitosa MLT, Sarmento CAP, Bocabello RZ, Beltrão-Braga PCB, Pignatari GC, Giglio RF, Miglino MA, Orlandin JR, Ambrósio CE. Transplantation of human immature dental pulp stem cell in dogs with chronic spinal cord injury. Acta Cir Bras 2017; 32:540-549. [PMID: 28793038 DOI: 10.1590/s0102-865020170070000005] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2017] [Accepted: 06/05/2017] [Indexed: 12/15/2022] Open
Abstract
Purpose: To investigate the therapeutic potential of human immature dental pulp stem cells in the treatment of chronic spinal cord injury in dogs. Methods: Three dogs of different breeds with chronic SCI were presented as animal clinical cases. Human immature dental pulp stem cells were injected at three points into the spinal cord, and the animals were evaluated by limb function and magnetic resonance imaging (MRI) pre and post-operative. Results: There was significant improvement from the limb function evaluated by Olby Scale, though it was not supported by the imaging data provided by MRI and clinical sign and evaluation. Conclusion: Human dental pulp stem cell therapy presents promising clinical results in dogs with chronic spinal cord injuries, if used in association with physical therapy.
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Affiliation(s)
- Matheus Levi Tajra Feitosa
- Fellow PhD degree, Postgraduate Program in Anatomy in Domestic and Wild Animals, Department of Surgery, Faculty of Veterinary Medicine and Animal Science, Universidade de São Paulo (USP), Brazil. Intellectual and scientific content of the study; conception and design of the study; acquisition, analysis and interpretation of data, manuscript preparation
| | - Carlos Alberto Palmeira Sarmento
- Fellow PhD degree, Postgraduate Program in Anatomy in Domestic and Wild Animals, Department of Surgery, Faculty of Veterinary Medicine and Animal Science, Universidade de São Paulo (USP), Brazil. Intellectual and scientific content of the study; conception and design of the study; acquisition, analysis and interpretation of data, manuscript preparation
| | - Renato Zonzini Bocabello
- Fellow Master degree, Postgraduate Program in Anatomy in Domestic and Wild Animals, Department of Surgery, Faculty of Veterinary Medicine and Animal Science, USP, Sao Paulo-SP, Brazil. Intellectual and scientific content of the study; conception and design of the study; acquisition, analysis and interpretation of data; manuscript preparation
| | - Patrícia Cristina Baleeiro Beltrão-Braga
- Assistant Professor, Department of Surgery, Stem Cell Laboratory, USP, Sao Paulo-SP, Brazil. Intellectual and scientific content of the study, acquisition of human stem cells, analysis and interpretation of data, manuscript writing
| | - Graciela Conceição Pignatari
- PosDoc Fellow, Department of Surgery, Faculty of Veterinary Medicine and Animal Science, USP, Sao Paulo-SP, Brazil. Intellectual and scientific content of the study, acquisition of human stem cells, analysis and interpretation of data, manuscript writing
| | - Robson Fortes Giglio
- Assistant Professor, Department of Clinical Sciences, College of Veterinary Medicine, University of Florida, Gainesville, Florida, USA. Intellectual and scientific content of the study; conception and design of the study; acquisition, analysis and interpretation of data; manuscript preparation and writing
| | - Maria Angelica Miglino
- Researcher, CNPq Grant Level 1A - CA VT, Professor, Chairwoman, Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, USP, Pirassunung-SP, Brazil. Conception and design of the study, manuscript writing, critical revision, final approval
| | - Jéssica Rodrigues Orlandin
- Fellow Master degree, Postgraduate Program in Animal Bioscience, Laboratory of Stem Cell and Gene Therapy, Veterinary Medicine Department, Faculty of Animal Science and Food Engineering, USP, Pirassununga-SP, Brazil. Manuscript preparation
| | - Carlos Eduardo Ambrósio
- Researcher, CNPq Grant Level 1A - CA VT, Associate Professor III, Head, Department Veterinary Medicine, Laboratory of Stem Cell and Gene Therapy, Veterinary Medicine Department, Faculty of Animal Science and Food Engineering, USP, Pirassununga-SP, Brazil. Conception and design of the study, manuscript writing, critical revision, final approval
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Machado LC, Roballo KCS, Cury FS, Ambrósio CE. Female reproductive system morphology of crab-eating fox (Cerdocyon thous) and cryopreservation of genetic material for animal germplasm bank enrichment. Anat Histol Embryol 2017; 46:539-546. [PMID: 28913836 DOI: 10.1111/ahe.12306] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Accepted: 08/11/2017] [Indexed: 11/30/2022]
Abstract
The sprawl of the urbanization and road network process without building ecological corridors contributes to the high mortality rates and a threat to the population decline of wild species such as the crab-eating fox. A strategy for the ex situ conservation is the study of the reproductive biology of the species and cryopreservation of their genetic heritage through the formation of an animal germplasm bank. This research is in accordance with the principles adopted by Brazilian College of Animal Experimentation. Reproductive systems of Cerdocyon thous females (n = 7) were examined macroscopically and microscopically by histological techniques and scanning electron microscopy. Gross features showed the shape of the ovaries was similar to a bean, and the elongated oviducts lengths were between 5 and 8 cm, with body of the uterus (3 cm) with long and narrow uterine horns (9-11 cm). The cervix was as a single annular conformation carrying out communication between the uterus and the vagina. The vagina has lengthened and circular muscle and the vulva with dense anatomical conformation with a quite pronounced clitoris. In addition, with regard to the establishment of a cell line (fibroblasts) for the gene bank enrichment, cells showed a low clonogenic capacity, especially when compared to domestic dogs, which can be explained by "in vitro" environment, age and diet of the animal. However, it was possible to create a bank of limited cell number. This study had morphological and preservationist character and aimed to help at long term in the conservation of wild animal's genetic resources.
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Affiliation(s)
- L C Machado
- Faculty of Animal Science and Food Engineering, Department of Veterinary Medicine, University of São Paulo, Pirassununga, Brazil
| | - K C S Roballo
- Faculty of Animal Science and Food Engineering, Department of Veterinary Medicine, University of São Paulo, Pirassununga, Brazil
| | - F S Cury
- Faculty of Veterinary Medicine and Animal Science, Department of Surgery, University of São Paulo, Pirassununga, Brazil
| | - C E Ambrósio
- Faculty of Animal Science and Food Engineering, Department of Veterinary Medicine, University of São Paulo, Pirassununga, Brazil
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Orlandin JR, Ambrósio CE, Lara VM. Glial scar-modulation as therapeutic tool in spinal cord injury in animal models. Acta Cir Bras 2017; 32:168-174. [PMID: 28300871 DOI: 10.1590/s0102-865020170209] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2016] [Accepted: 01/20/2017] [Indexed: 12/13/2022] Open
Abstract
PURPOSE Spinal Cord injury represents, in veterinary medicine, most of the neurological attendances and may result in permanent disability, death or euthanasia. Due to inflammation resulting from trauma, it originates the glial scar, which is a cell interaction complex system. Its function is to preserve the healthy circuits, however, it creates a physical and molecular barrier that prevents cell migration and restricts the neuroregeneration ability. METHODS This review aims to present innovations in the scene of treatment of spinal cord injury, approaching cell therapy, administration of enzyme, anti-inflammatory, and other active principles capable of modulating the inflammatory response, resulting in glial scar reduction and subsequent functional improvement of animals. RESULTS Some innovative therapies as cell therapy, administration of enzymes, immunosuppressant or other drugs cause the modulation of inflammatory response proved to be a promising tool for the reduction of gliosis. CONCLUSION Those tools promise to reduce gliosis and promote locomotor recovery in animals with spinal cord injury.
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Affiliation(s)
- Jéssica Rodrigues Orlandin
- Veterinary Medicine Department, Faculty of Animal Science and Food Engineering, Universidade de São Paulo, Pirassununga, SP, Brazil
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40
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Gerger R, Rossetto R, Ribeiro E, Ortigari I, Zago FC, Aguiar L, Costa U, Lopes RFF, Ambrósio CE, Miglino MA, Rodrigues JL, Forell F, Bertolini LR, Bertolini M. Impact of cumulative gain in expertise on the efficiency of handmade cloning in cattle. Theriogenology 2017; 95:24-32. [DOI: 10.1016/j.theriogenology.2017.02.025] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2016] [Revised: 02/13/2017] [Accepted: 02/27/2017] [Indexed: 10/20/2022]
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41
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Marinho DF, Oliveira ECPD, Araújo JADS, Pinto IF, Lima HSD, Moraes WP, Ambrósio CE, Morini AC. Avaliação da transmissibilidade ultrassônica do gel fitoterápico de Copaifera duckei Dwyer. Pesq Vet Bras 2017. [DOI: 10.1590/s0100-736x2017000500015] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
RESUMO: Esse estudo teve por objetivo avaliar o potencial de transmissibilidade ultrassônica de um gel fitoterápico de copaíba da espécie Copaifera duckei Dwyer na concentração de 10%. A pesquisa foi registrada junto ao Sistema Brasileiro de Biodiversidade. O gel fitoterápico de Copaifera duckei 10% foi manipulado de acordo diretrizes da Farmacopéia Brasileira e testado em um aparelho de Ultrassom (US) operado na faixa de 1 MHz. Como grupos controle foram selecionados a água destilada e o gel hidroalcoólico. A análise ocorreu de forma qualitativa e quantitativa através do modelo proposto na literatura. O US foi programado para modos de corrente pulsado/contínuo e testados nas intensidades (0,2/0,4/0,6/0,8/1,0W/cm2), em 1mim/cm2. Os dados receberam tratamento estatístico pelo software BioEstat 5.3 e foi admitido um nível de significância de ≥0,05. No modo contínuo e na intensidade de 0.2W/cm2 o gel foi considerado “Bom transmissor”, na intensidade de 0.4 W/cm2 e 0.6W/cm2 um “Transmissor moderado” e nas intensidades de 0.8W/cm2 e 1.0W/cm2 um “Transmissor pobre”. Concluiu-se que o gel de C. duckei 10% não atenuou as ondas de US em nenhum modo ou intensidade testado. E pode assim ser adicionado a esse para tratamentos sendo considerado transmissor bom ou moderado de acordo com a intensidade do US.
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42
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Vidane AS, Pinheiro AO, Casals JB, Passarelli D, Hage MCFNS, Bueno RS, Martins DS, Ambrósio CE. Transplantation of amniotic membrane-derived multipotent cells ameliorates and delays the progression of chronic kidney disease in cats. Reprod Domest Anim 2016; 52 Suppl 2:316-326. [DOI: 10.1111/rda.12846] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- AS Vidane
- Department of Surgery; Faculty of Veterinary Medicine and Animal Science; University of São Paulo; São Paulo SP Brazil
| | - AO Pinheiro
- Department of Veterinary Medicine; Faculty of Animal Science and Food Engineering; University of São Paulo; Pirassununga SP Brazil
| | - JB Casals
- Department of Surgery; Faculty of Veterinary Medicine and Animal Science; University of São Paulo; São Paulo SP Brazil
| | - D Passarelli
- Department of Veterinary Medicine; Faculty of Animal Science and Food Engineering; University of São Paulo; Pirassununga SP Brazil
| | - MCFNS Hage
- Department of Veterinary Medicine; Faculty of Animal Science and Food Engineering; University of São Paulo; Pirassununga SP Brazil
| | - RS Bueno
- Department of Basic Science; Faculty of Animal Science and Food Engineering; University of São Paulo; Pirassununga SP Brazil
| | - DS Martins
- Department of Veterinary Medicine; Faculty of Animal Science and Food Engineering; University of São Paulo; Pirassununga SP Brazil
| | - CE Ambrósio
- Department of Veterinary Medicine; Faculty of Animal Science and Food Engineering; University of São Paulo; Pirassununga SP Brazil
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43
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Cardoso MT, Pinheiro AO, Vidane AS, Casals JB, de Oliveira VC, Gonçalves N, Martins DS, Ambrósio CE. Characterization of teratogenic potential and gene expression in canine and feline amniotic membrane-derived stem cells. Reprod Domest Anim 2016; 52 Suppl 2:58-64. [PMID: 27774699 DOI: 10.1111/rda.12832] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The biosafety of innovative procedures that utilize stem cells in regenerative medicine has been addressed in several studies. Previous work has showed no tumour formation following the use of feline and human amniotic membrane-derived stem cells (AMSCs). In contrast, tumour formation was observed when canine AMSCs were utilized. These findings suggested that feline and human, but not canine, AMSCs are suitable for cell transplantation trials. This study aimed to further evaluate the feasibility of utilizing canine AMSCs for transplantation purposes as well as for felines. We tested teratoma formation following cell injection into BALB/c nude mice and then assessed expression of haematopoietic, mesenchymal, tumorigenic, pluripotency and cellular regulation markers using flow cytometry and qPCR. The use of canine AMSCs did not result in macroscopic tumour formation as determined 60 days after transplantation. The immunophenotypic characterization by flow cytometry revealed expression of mesenchymal markers (CD73 and CD90) and expression of the pluripotent marker OCT4 and SOX2. Quantitative PCR analysis revealed that there were no differences in the patterns of gene expression (CD34, CD73, OCT4, CD30 and P53) between canine and feline AMSCs, with the exception of the expression of SOX2 and CD90.
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Affiliation(s)
- M T Cardoso
- Department of Veterinary Medicine, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Pirassununga, SP, Brazil
| | - A O Pinheiro
- Department of Veterinary Medicine, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Pirassununga, SP, Brazil
| | - A S Vidane
- Department of Surgery, Faculty of Veterinary Medicine and Animal Sciences, University of Sao Paulo, Sao Paulo, SP, Brazil
| | - J B Casals
- Department of Surgery, Faculty of Veterinary Medicine and Animal Sciences, University of Sao Paulo, Sao Paulo, SP, Brazil
| | - V C de Oliveira
- Department of Surgery, Faculty of Veterinary Medicine and Animal Sciences, University of Sao Paulo, Sao Paulo, SP, Brazil
| | - Njn Gonçalves
- Department of Surgery, Faculty of Veterinary Medicine and Animal Sciences, University of Sao Paulo, Sao Paulo, SP, Brazil
| | - D S Martins
- Department of Veterinary Medicine, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Pirassununga, SP, Brazil.,Department of Surgery, Faculty of Veterinary Medicine and Animal Sciences, University of Sao Paulo, Sao Paulo, SP, Brazil
| | - C E Ambrósio
- Department of Veterinary Medicine, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Pirassununga, SP, Brazil.,Department of Surgery, Faculty of Veterinary Medicine and Animal Sciences, University of Sao Paulo, Sao Paulo, SP, Brazil
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44
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Ercolin ACM, Roballo KCS, Casals JB, Pieri NCG, Souza AF, Barreto RDSN, Bressan FF, Feitosa MLT, Miglino MA, Meirelles FV, Ambrósio CE. Rabbit olfactory stem cells. Isolation protocol and characterization. Acta Cir Bras 2016; 31:59-66. [PMID: 26840357 DOI: 10.1590/s0102-865020160010000009] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2015] [Accepted: 12/20/2015] [Indexed: 11/22/2022] Open
Abstract
PURPOSE To describe a new technique for isolation of a mesenchymal stem cells (MSCs) population from the olfactory mucosa in rabbits. METHODS Olfactory stem cells (OSCs) were retrieved from under the cribriform plate of the Ethmoid bone. Several assays were accomplished to characterize the cell population and attest its viability in vitro. The cells were submitted to flow cytometry with the antibodies CD34, CD45, CD73, CD79, CD90 and CD105 and also they were induced to differentiate in three lineages. Functional evaluation involved analysis of in vitro growth behavior, colony forming unit like fibroblasts (CFU-f) and cryopreservation response. Further transduction with Green Fluorescent Protein (GFP) was also performed. RESULTS The OSCs showed mesenchymal features, as positive response to CD34, CD73 and CD90 antibodies and plasticity. Additionally, these cells have high proliferated rate, and they could be cultured through many passages and kept the ability to proliferate and differentiate after cryopreservation. The positive response to the transduction signalizes the possibility of cellular tracking in vivo. This is a desirable feature in case those cells are used for pre-clinical trials. CONCLUSION The cells harvested were mesenchymal stem cells and the technique described is therefore efficient for rabbit olfactory stem cells isolation.
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Affiliation(s)
- Anna Carolina Mazeto Ercolin
- Veterinary Medicine Department, Faculty of Animal Sciences and Food Engineering, Universidade de Sao Paulo, Pirassununga, SP, Brazil
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45
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Morini AC, Pieri NCG, Roballo KCS, Martins DS, Ambrósio CE, Morini Junior JC, Favaron PO, Minervino AHH, Pereira FVT, Miglino MA. Buffalo (Bubalus bubali
) Late Embryo and Foetus Development: A Morphological Analysis. Reprod Domest Anim 2016; 51:509-14. [DOI: 10.1111/rda.12712] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2015] [Accepted: 04/26/2016] [Indexed: 01/06/2023]
Affiliation(s)
- AC Morini
- Federal University of Western Pará - UFOPA; Santarém Brazil
| | - NCG Pieri
- Department of Surgery; Faculty of Veterinary Medicine and Animal Sciences; University of Sao Paulo; Sao Paulo Brazil
| | - KCS Roballo
- Department of Veterinary Medicine; Faculty of Animal Sciences and Food Engineering; University of Sao Paulo; Pirassununga Brazil
| | - DS Martins
- Department of Surgery; Faculty of Veterinary Medicine and Animal Sciences; University of Sao Paulo; Sao Paulo Brazil
- Department of Veterinary Medicine; Faculty of Animal Sciences and Food Engineering; University of Sao Paulo; Pirassununga Brazil
| | - CE Ambrósio
- Department of Surgery; Faculty of Veterinary Medicine and Animal Sciences; University of Sao Paulo; Sao Paulo Brazil
- Department of Veterinary Medicine; Faculty of Animal Sciences and Food Engineering; University of Sao Paulo; Pirassununga Brazil
| | - JC Morini Junior
- Department of Surgery; Faculty of Veterinary Medicine and Animal Sciences; University of Sao Paulo; Sao Paulo Brazil
| | - PO Favaron
- Department of Surgery; Faculty of Veterinary Medicine and Animal Sciences; University of Sao Paulo; Sao Paulo Brazil
| | - AHH Minervino
- Federal University of Western Pará - UFOPA; Santarém Brazil
| | - FVT Pereira
- Department of Histology and Embryology; Sao Paulo State University; Dracena Brazil
| | - MA Miglino
- Department of Surgery; Faculty of Veterinary Medicine and Animal Sciences; University of Sao Paulo; Sao Paulo Brazil
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46
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Justo M, Cury FS, de Godoy SHS, Fernandes AM, dos Santos Martins D, Ambrósio CE. Microbiological evaluation of anatomical organs submitted to glycerinization and freeze-drying techniques. Translational Research in Anatomy 2016. [DOI: 10.1016/j.tria.2016.06.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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47
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Pinheiro AO, Cardoso MT, Vidane AS, Casals JB, Passarelli D, Alencar ALF, Sousa RLM, Fantinato-Neto P, Oliveira VC, Lara VM, Ambrósio CE. Controversial results of therapy with mesenchymal stem cells in the acute phase of canine distemper disease. Genet Mol Res 2016; 15:gmr8310. [PMID: 27323085 DOI: 10.4238/gmr.15028310] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Distemper disease is an infectious disease reported in several species of domestic and wild carnivores. The high mortality rate of animals infected with canine distemper virus (CDV) treated with currently available therapies has driven the study of new efficacious treatments. Mesenchymal stem cell (MSC)-based therapy is a promising therapeutic option for many degenerative, hereditary, and inflammatory diseases. Therefore, the aim of this study was to characterize stem cells derived from the canine fetal olfactory epithelium and to assess the systemic response of animals infected with CDV to symptomatic therapy and treatment with MSCs. Eight domestic mongrel dogs (N = 8) were divided into two groups: support group (SG) (N = 5) and support group + cell therapy (SGCT) (N = 3), which were monitored over 15 days. Blood samples were collected on days 0, 6, 9, 12, and 15 to assess blood count and serum biochemistry (urea, creatinine, alanine transferase, alkaline phosphatase, gamma-glutamyl transferase, total protein, albumin, and globulin), and urine samples were obtained on days 0 and 15 for urinary evaluation (urine I). The results showed a high mortality rate (SG = 4 and SGCT = 2), providing inadequate data on the clinical course of CDV infection. MSC therapy resulted in no significant improvement when administered during the acute phase of canine distemper disease, and a prevalence of animals with high mortality rate was found in both groups due to the severity of symptoms.
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Affiliation(s)
- A O Pinheiro
- Laboratório de Anatomia de Animais Domésticos e Silvestres, Departamento de Cirurgia, Faculdade de Medicina Veterinária e Saúde Animal, Universidade de São Paulo, São Paulo, SP, Brasil
| | - M T Cardoso
- Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, SP, Brasil
| | - A S Vidane
- Laboratório de Anatomia de Animais Domésticos e Silvestres, Departamento de Cirurgia, Faculdade de Medicina Veterinária e Saúde Animal, Universidade de São Paulo, São Paulo, SP, Brasil
| | - J B Casals
- Laboratório de Anatomia de Animais Domésticos e Silvestres, Departamento de Cirurgia, Faculdade de Medicina Veterinária e Saúde Animal, Universidade de São Paulo, São Paulo, SP, Brasil
| | - D Passarelli
- Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, SP, Brasil
| | - A L F Alencar
- Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, SP, Brasil
| | - R L M Sousa
- Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, SP, Brasil
| | - P Fantinato-Neto
- Laboratório de Anatomia de Animais Domésticos e Silvestres, Departamento de Cirurgia, Faculdade de Medicina Veterinária e Saúde Animal, Universidade de São Paulo, São Paulo, SP, Brasil
| | - V C Oliveira
- Laboratório de Anatomia de Animais Domésticos e Silvestres, Departamento de Cirurgia, Faculdade de Medicina Veterinária e Saúde Animal, Universidade de São Paulo, São Paulo, SP, Brasil
| | - V M Lara
- Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, SP, Brasil
| | - C E Ambrósio
- Laboratório de Anatomia de Animais Domésticos e Silvestres, Departamento de Cirurgia, Faculdade de Medicina Veterinária e Saúde Animal, Universidade de São Paulo, São Paulo, SP, Brasil
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Pieri N, Souza AF, Casals JB, Roballo K, Ambrósio CE, Martins DS. Comparative Development of Embryonic Age by Organogenesis in Domestic Dogs and Cats. Reprod Domest Anim 2015; 50:625-31. [PMID: 25990819 DOI: 10.1111/rda.12539] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2015] [Accepted: 04/20/2015] [Indexed: 11/29/2022]
Abstract
The precise determination of the embryonic chronology is very important in reproductive biotechnologies, especially in estimating embryonic age. Thus, there is a need for greater knowledge and standardization for determining the chronology of embryonic development and functional morphology. We describe aspects of embryonic development in two domestic carnivores to add knowledge about organ peculiarities and for application in veterinary practice, in prenatal development and in the biotechnology fields. We found that the development of differential characteristics of embryonic organs occurs in the first trimester of pregnancy for both species. Thus, using the combination of the crown-rump length, macroscopic analysis and optical microscopy, it is possible to predict gestational age more precisely in animals that lack a defined breed and establish an embryonic pattern.
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Affiliation(s)
- Ncg Pieri
- Department Surgery, Faculty of Veterinary Medicine and Animal Sciences, University of Sao Paulo, Sao Paulo, SP, Brazil
| | - A F Souza
- Department Surgery, Faculty of Veterinary Medicine and Animal Sciences, University of Sao Paulo, Sao Paulo, SP, Brazil
| | - J B Casals
- Department Surgery, Faculty of Veterinary Medicine and Animal Sciences, University of Sao Paulo, Sao Paulo, SP, Brazil
| | - Kcs Roballo
- Department Medicine Veterinary, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Pirassununga, SP, Brazil
| | - C E Ambrósio
- Department Surgery, Faculty of Veterinary Medicine and Animal Sciences, University of Sao Paulo, Sao Paulo, SP, Brazil.,Department Medicine Veterinary, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Pirassununga, SP, Brazil
| | - D S Martins
- Department Surgery, Faculty of Veterinary Medicine and Animal Sciences, University of Sao Paulo, Sao Paulo, SP, Brazil.,Department Medicine Veterinary, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Pirassununga, SP, Brazil
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49
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Silva Filho OFD, Argôlo Neto NM, Carvalho MAMD, Carvalho YKD, Diniz ADN, Moura LDS, Ambrósio CE, Monteiro JM, Almeida HMD, Miglino MA, Alves JDJRP, Macedo KV, Rocha ARD, Feitosa MLT, Alves FR. Isolation and characterization of mesenchymal progenitors derived from the bone marrow of goats native from northeastern Brazil. Acta Cir Bras 2015; 29:478-84. [PMID: 25140588 DOI: 10.1590/s0102-86502014000800001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2014] [Accepted: 06/11/2014] [Indexed: 12/30/2022] Open
Abstract
PURPOSE To characterize bone marrow progenitors cells grown in vitro, using native goats from northeastern Brazil as animal model. METHODS Ten northeastern Brazil native goats of both genders were used from the Piauí Federal University Agricultural Science Center's (UFPI) - Goat Farming Sector. Bone marrow aspirates where taken from the tibial ridge and seeded on culture plates for isolation, expansion and Flow Cytometry (expression markers - Oct-3/4, PCNA, Ck-Pan, Vimentina, Nanog). RESULTS Progenitor cells showed colonies characterized by the presence of cell pellets with fibroblastoid morphology. Cell confluence was taken after 14 days culture and the non-adherent mononuclear cell progressive reduction. After the first passage, 94.36% cell viability was observed, starting from 4.6 x 106 cell/mL initially seeded. Cells that went through flow cytometry showed positive expression for Oct-3/4, PCNA, Ck-Pan, Vimentina, and Nanog. CONCLUSIONS Bone marrow progenitor isolated of native goats from northeastern Brazil showed expression markers also seen in embryonic stem cells (Oct-3/4, Nanog), markers of cell proliferation (PCNA) and markers for mesenchymal cells (Vimentina and Ck-pan), which associated to morphological and culture growth features, suggest the existence of a mesenchymal stem cell (MSC) population in the goat bone marrow stromal cells studied.
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Affiliation(s)
| | | | | | | | | | | | - Carlos Eduardo Ambrósio
- Department of Basic Sciences, Faculty of Animal Sciences and Food Engineering, Sao Paulo University, Pirassununga, SP, Brazil
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50
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Teixeira DG, Hamlett WC, Guimarães MADBV, Morini AC, Araújo KPC, Cury FS, Souza AFD, Vidane AS, Ambrósio CE, Miglino MA. Morphological Tools for Describing the Male External Genitalia ofSapajus apella. Zoolog Sci 2015; 32:97-104. [DOI: 10.2108/zs140175] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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