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Cepeda J, Racca ME, Rossetti MF, Cardozo MA, Gaydou L, Luque EH, Muñoz-de-Toro M, Milesi MM, Varayoud J, Ramos JG. A Reliable Method for Quantifying Plasma Cell-Free DNA Using an Internal Standard Strategy: Evaluation in a Cohort of Non-Pregnant and Pregnant Women. Reprod Sci 2024; 31:987-996. [PMID: 38030813 DOI: 10.1007/s43032-023-01403-9] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 11/04/2023] [Indexed: 12/01/2023]
Abstract
The use of plasma cell-free DNA (cfDNA) as a useful biomarker in obstetric clinical practice has been delayed due to the lack of reliable quantification protocols. We developed a protocol to quantify plasma cfDNA using an internal standard strategy to overcome difficulties posed by low levels and high fragmentation of cfDNA. cfDNA was isolated from plasma samples of non-pregnant (NP, n = 26) and pregnant (P, n = 26) women using a commercial kit and several elution volumes were evaluated. qPCR parameters were optimized for cfDNA quantification, and several quantities of a recombinant standard were evaluated as internal standard. Absolute quantification was performed using a standard curve and the quality of the complete method was evaluated. cfDNA was eluted in a 50-μl volume, actin-β (ACTB) was selected as the target gene, and qPCR parameters were optimized. The ACTB standard was constructed and 1000 copies were selected as internal standard. The standard curve showed R2 = 0.993 and E = 109.7%, and the linear dynamic range was defined between 102 and 106 ACTB copies/tube. Repeatability and reproducibility in terms of CV were 19% and up to 49.5% for ACTB copies per milliliter of plasma, respectively. The range of cfDNA levels was 428-18,851 copies/mL in NP women and 4031-2,019,363 copies/mL in P women, showing significant differences between the groups. We recommend the application of internal standard strategy for a reliable plasma cfDNA quantification. This methodology holds great potential for a future application in the obstetric field.
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Affiliation(s)
- Julieta Cepeda
- Facultad de Bioquímica y Ciencias Biológicas, Instituto de Salud y Ambiente del Litoral (ISAL), Universidad Nacional del Litoral (UNL)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
| | - M Emilia Racca
- Facultad de Bioquímica y Ciencias Biológicas, Instituto de Salud y Ambiente del Litoral (ISAL), Universidad Nacional del Litoral (UNL)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
- Departamento de Bioquímica Clínica y Cuantitativa, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL), Santa Fe, Argentina
| | - M Florencia Rossetti
- Facultad de Bioquímica y Ciencias Biológicas, Instituto de Salud y Ambiente del Litoral (ISAL), Universidad Nacional del Litoral (UNL)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
| | - M Alejandra Cardozo
- Facultad de Bioquímica y Ciencias Biológicas, Instituto de Salud y Ambiente del Litoral (ISAL), Universidad Nacional del Litoral (UNL)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
- Departamento de Bioquímica Clínica y Cuantitativa, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL), Santa Fe, Argentina
- Laboratorios BLUT, Santa Fe, Argentina
| | - Luisa Gaydou
- Facultad de Bioquímica y Ciencias Biológicas, Instituto de Salud y Ambiente del Litoral (ISAL), Universidad Nacional del Litoral (UNL)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
- Departamento de Bioquímica Clínica y Cuantitativa, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL), Santa Fe, Argentina
| | - Enrique H Luque
- Facultad de Bioquímica y Ciencias Biológicas, Instituto de Salud y Ambiente del Litoral (ISAL), Universidad Nacional del Litoral (UNL)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
- Facultad de Bioquímica y Ciencias Biológicas, Cátedra de Fisiología Humana, Universidad Nacional del Litoral (UNL), Santa Fe, Argentina
| | - Mónica Muñoz-de-Toro
- Facultad de Bioquímica y Ciencias Biológicas, Instituto de Salud y Ambiente del Litoral (ISAL), Universidad Nacional del Litoral (UNL)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
- Facultad de Bioquímica y Ciencias Biológicas, Cátedra de Patología Humana, Universidad Nacional del Litoral (UNL), Santa Fe, Argentina
| | - M Mercedes Milesi
- Facultad de Bioquímica y Ciencias Biológicas, Instituto de Salud y Ambiente del Litoral (ISAL), Universidad Nacional del Litoral (UNL)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
- Facultad de Bioquímica y Ciencias Biológicas, Cátedra de Fisiología Humana, Universidad Nacional del Litoral (UNL), Santa Fe, Argentina
| | - Jorgelina Varayoud
- Facultad de Bioquímica y Ciencias Biológicas, Instituto de Salud y Ambiente del Litoral (ISAL), Universidad Nacional del Litoral (UNL)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
- Facultad de Bioquímica y Ciencias Biológicas, Cátedra de Fisiología Humana, Universidad Nacional del Litoral (UNL), Santa Fe, Argentina
| | - Jorge G Ramos
- Facultad de Bioquímica y Ciencias Biológicas, Instituto de Salud y Ambiente del Litoral (ISAL), Universidad Nacional del Litoral (UNL)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina.
- Departamento de Bioquímica Clínica y Cuantitativa, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL), Santa Fe, Argentina.
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Gastiazoro MP, Rossetti MF, Schumacher R, Stoker C, Durando M, Zierau O, Ramos JG, Varayoud J. Epigenetic disruption of placental genes by chronic maternal cafeteria diet in rats. J Nutr Biochem 2022; 106:109015. [DOI: 10.1016/j.jnutbio.2022.109015] [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] [Received: 02/10/2021] [Revised: 11/19/2021] [Accepted: 03/03/2022] [Indexed: 11/28/2022]
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Abstract
Agrochemicals or pesticides are compounds widely used to prevent, destroy or mitigate pests such as insects, rodents, herbs and weeds. However, most of them also act as environmental estrogens, anti-estrogens and/or antiandrogenic chemicals. In addition, both herbicides (such as glyphosate and paraquat) and insecticides (such as pyrethroids, organophosphates, neonicotinoids and rotenone) have been shown to exert significant adverse effects on hippocampal neurogenesis. These effects are particularly important because neurogenesis dysregulation could be associated with cognitive decline and neuropathologies such as Alzheimer's disease. This review focuses on the most commonly used agrochemicals in Argentina and their effects on the hippocampal neurogenesis of mammals. It also discusses the disruption of hormone synthesis and action as a possible mechanism through which these chemical compounds could alter the brain functions. Finally, we propose some lines of research to study the potential endocrine mechanisms involved in the effects of agrochemicals on human health and biodiversity.
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Affiliation(s)
- M Florencia Rossetti
- Departamento de Bioquímica Clínica y Cuantitativa, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Argentina; Instituto de Salud y Ambiente del Litoral (ISAL), Universidad Nacional del Litoral (UNL)- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Facultad de Bioquímica y Ciencias Biológicas, UNL, Argentina
| | - Cora Stoker
- Departamento de Bioquímica Clínica y Cuantitativa, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Argentina; Instituto de Salud y Ambiente del Litoral (ISAL), Universidad Nacional del Litoral (UNL)- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Facultad de Bioquímica y Ciencias Biológicas, UNL, Argentina
| | - Jorge G Ramos
- Departamento de Bioquímica Clínica y Cuantitativa, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Argentina; Instituto de Salud y Ambiente del Litoral (ISAL), Universidad Nacional del Litoral (UNL)- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Facultad de Bioquímica y Ciencias Biológicas, UNL, Argentina.
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Stoker C, Andreoli MF, Kass L, Bosquiazzo VL, Rossetti MF, Canesini G, Luque EH, Ramos JG. Perinatal exposure to bisphenol A (BPA) impairs neuroendocrine mechanisms regulating food intake and kisspetin system in adult male rats. Evidences of metabolic disruptor hypothesis. Mol Cell Endocrinol 2020; 499:110614. [PMID: 31606416 DOI: 10.1016/j.mce.2019.110614] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Revised: 09/27/2019] [Accepted: 10/07/2019] [Indexed: 12/31/2022]
Abstract
Bisphenol A (BPA) is a compound used in the polymerization of plastic polycarbonates. It is an endocrine disruptor and it has been postulated to be an obesogen. Our objective was to determine the influence of perinatal exposure to BPA on body weight, hormone levels, metabolic parameters and hypothalamic signals that regulate food intake and kisspeptin system in adult male rats. Male rats were exposed to 50 μg/kg/day of BPA or vehicle from day 9 of gestation to weaning in the drinking water. Since weaning, they were fed with control or high fat diet for 20 weeks. Perinatal exposure to BPA impaired glucose homeostasis, induced obesity and increased food intake in adult male rats altering hypothalamic signals, partially mimicking and/or producing an exacerbation of the effects of feeding fat diet. We also observed an increase in kisspeptin expression by BPA exposure. Evidences shown in this work support the metabolic disruptor hypothesis for BPA.
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Affiliation(s)
- Cora Stoker
- Departamento de Bioquímica Clínica y Cuantitativa, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Argentina; Instituto de Salud y Ambiente del Litoral (ISAL), Universidad Nacional del Litoral (UNL)- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Facultad de Bioquímica y Ciencias Biológicas, UNL, Argentina.
| | - M Florencia Andreoli
- Departamento de Bioquímica Clínica y Cuantitativa, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Argentina; Instituto de Salud y Ambiente del Litoral (ISAL), Universidad Nacional del Litoral (UNL)- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Facultad de Bioquímica y Ciencias Biológicas, UNL, Argentina.
| | - Laura Kass
- Instituto de Salud y Ambiente del Litoral (ISAL), Universidad Nacional del Litoral (UNL)- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Facultad de Bioquímica y Ciencias Biológicas, UNL, Argentina.
| | - Verónica L Bosquiazzo
- Departamento de Bioquímica Clínica y Cuantitativa, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Argentina; Instituto de Salud y Ambiente del Litoral (ISAL), Universidad Nacional del Litoral (UNL)- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Facultad de Bioquímica y Ciencias Biológicas, UNL, Argentina.
| | - M Florencia Rossetti
- Departamento de Bioquímica Clínica y Cuantitativa, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Argentina; Instituto de Salud y Ambiente del Litoral (ISAL), Universidad Nacional del Litoral (UNL)- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Facultad de Bioquímica y Ciencias Biológicas, UNL, Argentina.
| | - G Canesini
- Departamento de Bioquímica Clínica y Cuantitativa, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Argentina; Instituto de Salud y Ambiente del Litoral (ISAL), Universidad Nacional del Litoral (UNL)- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Facultad de Bioquímica y Ciencias Biológicas, UNL, Argentina.
| | - Enrique H Luque
- Instituto de Salud y Ambiente del Litoral (ISAL), Universidad Nacional del Litoral (UNL)- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Facultad de Bioquímica y Ciencias Biológicas, UNL, Argentina.
| | - Jorge G Ramos
- Departamento de Bioquímica Clínica y Cuantitativa, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Argentina; Instituto de Salud y Ambiente del Litoral (ISAL), Universidad Nacional del Litoral (UNL)- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Facultad de Bioquímica y Ciencias Biológicas, UNL, Argentina.
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5
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Hassouna I, Ott C, Wüstefeld L, Offen N, Neher RA, Mitkovski M, Winkler D, Sperling S, Fries L, Goebbels S, Vreja IC, Hagemeyer N, Dittrich M, Rossetti MF, Kröhnert K, Hannke K, Boretius S, Zeug A, Höschen C, Dandekar T, Dere E, Neher E, Rizzoli SO, Nave KA, Sirén AL, Ehrenreich H. Revisiting adult neurogenesis and the role of erythropoietin for neuronal and oligodendroglial differentiation in the hippocampus. Mol Psychiatry 2016; 21:1752-1767. [PMID: 26809838 PMCID: PMC5193535 DOI: 10.1038/mp.2015.212] [Citation(s) in RCA: 67] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2015] [Revised: 11/10/2015] [Accepted: 11/13/2015] [Indexed: 12/22/2022]
Abstract
Recombinant human erythropoietin (EPO) improves cognitive performance in neuropsychiatric diseases ranging from schizophrenia and multiple sclerosis to major depression and bipolar disease. This consistent EPO effect on cognition is independent of its role in hematopoiesis. The cellular mechanisms of action in brain, however, have remained unclear. Here we studied healthy young mice and observed that 3-week EPO administration was associated with an increased number of pyramidal neurons and oligodendrocytes in the hippocampus of ~20%. Under constant cognitive challenge, neuron numbers remained elevated until >6 months of age. Surprisingly, this increase occurred in absence of altered cell proliferation or apoptosis. After feeding a 15N-leucine diet, we used nanoscopic secondary ion mass spectrometry, and found that in EPO-treated mice, an equivalent number of neurons was defined by elevated 15N-leucine incorporation. In EPO-treated NG2-Cre-ERT2 mice, we confirmed enhanced differentiation of preexisting oligodendrocyte precursors in the absence of elevated DNA synthesis. A corresponding analysis of the neuronal lineage awaits the identification of suitable neuronal markers. In cultured neurospheres, EPO reduced Sox9 and stimulated miR124, associated with advanced neuronal differentiation. We are discussing a resulting working model in which EPO drives the differentiation of non-dividing precursors in both (NG2+) oligodendroglial and neuronal lineages. As endogenous EPO expression is induced by brain injury, such a mechanism of adult neurogenesis may be relevant for central nervous system regeneration.
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Affiliation(s)
- I Hassouna
- Clinical Neuroscience, Max Planck
Institute of Experimental Medicine, Göttingen,
Germany,On leave of absence from Physiology
Unit, Zoology Department, Faculty of Science, Menoufia University,
Al Minufya, Egypt
| | - C Ott
- Clinical Neuroscience, Max Planck
Institute of Experimental Medicine, Göttingen,
Germany
| | - L Wüstefeld
- Clinical Neuroscience, Max Planck
Institute of Experimental Medicine, Göttingen,
Germany
| | - N Offen
- Department of Neurosurgery,
University of Würzburg, Würzburg,
Germany
| | - R A Neher
- Evolutionary Dynamics and Biophysics,
Max Planck Institute for Developmental Biology,
Tübingen, Germany
| | - M Mitkovski
- Light Microscopy Facility, Max Planck
Institute of Experimental Medicine, Göttingen,
Germany
| | - D Winkler
- Clinical Neuroscience, Max Planck
Institute of Experimental Medicine, Göttingen,
Germany
| | - S Sperling
- Clinical Neuroscience, Max Planck
Institute of Experimental Medicine, Göttingen,
Germany
| | - L Fries
- Department of Neurosurgery,
University of Würzburg, Würzburg,
Germany
| | - S Goebbels
- Department of Neurogenetics, Max
Planck Institute of Experimental Medicine,
Göttingen, Germany
| | - I C Vreja
- Department of Neuro- and Sensory
Physiology, University Medical Center
Göttingen, Germany,International Max Planck Research
School Molecular Biology, Göttingen,
Germany
| | - N Hagemeyer
- Clinical Neuroscience, Max Planck
Institute of Experimental Medicine, Göttingen,
Germany
| | - M Dittrich
- Department of Bioinformatics,
Biocenter, University of Würzburg, Würzburg,
Germany
| | - M F Rossetti
- Clinical Neuroscience, Max Planck
Institute of Experimental Medicine, Göttingen,
Germany
| | - K Kröhnert
- Department of Neuro- and Sensory
Physiology, University Medical Center
Göttingen, Germany
| | - K Hannke
- Clinical Neuroscience, Max Planck
Institute of Experimental Medicine, Göttingen,
Germany
| | - S Boretius
- Department of Diagnostic Radiology,
Christian-Albrechts-Universität, Kiel,
Germany
| | - A Zeug
- Cellular Neurophysiology, Hannover
Medical School, Hannover, Germany
| | - C Höschen
- Department of Ecology and Ecosystem
Management, Lehrstuhl für Bodenkunde, Technische Universität
München, Freising-Weihenstephan,
Germany
| | - T Dandekar
- Department of Bioinformatics,
Biocenter, University of Würzburg, Würzburg,
Germany
| | - E Dere
- Clinical Neuroscience, Max Planck
Institute of Experimental Medicine, Göttingen,
Germany
| | - E Neher
- Department of Membrane Biophysics,
Max Planck Institute for Biophysical Chemistry,
Göttingen, Germany,DFG Center for Nanoscale Microscopy
and Molecular Physiology of the Brain, Göttingen,
Germany
| | - S O Rizzoli
- Department of Neuro- and Sensory
Physiology, University Medical Center
Göttingen, Germany,DFG Center for Nanoscale Microscopy
and Molecular Physiology of the Brain, Göttingen,
Germany
| | - K-A Nave
- Department of Neurogenetics, Max
Planck Institute of Experimental Medicine,
Göttingen, Germany,DFG Center for Nanoscale Microscopy
and Molecular Physiology of the Brain, Göttingen,
Germany
| | - A-L Sirén
- Department of Neurosurgery,
University of Würzburg, Würzburg,
Germany
| | - H Ehrenreich
- Clinical Neuroscience, Max Planck
Institute of Experimental Medicine, Göttingen,
Germany,DFG Center for Nanoscale Microscopy
and Molecular Physiology of the Brain, Göttingen,
Germany,Clinical Neuroscience, Max Planck Institute of
Experimental Medicine, Hermann-Rein-Str.3,
Göttingen
37075, Germany. E-mail:
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Rossetti MF, Cambiasso MJ, Holschbach MA, Cabrera R. Oestrogens and Progestagens: Synthesis and Action in the Brain. J Neuroendocrinol 2016; 28. [PMID: 27306650 DOI: 10.1111/jne.12402] [Citation(s) in RCA: 65] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2016] [Revised: 06/14/2016] [Accepted: 06/14/2016] [Indexed: 12/25/2022]
Abstract
When steroids, such as pregnenolone, progesterone and oestrogen, are synthesised de novo in neural tissues, they are more specifically referred to as neurosteroids. These neurosteroids bind specific receptors to promote essential brain functions. Pregnenolone supports cognition and protects mouse hippocampal cells against glutamate and amyloid peptide-induced cell death. Progesterone promotes myelination, spinogenesis, synaptogenesis, neuronal survival and dendritic growth. Allopregnanolone increases hippocampal neurogenesis, neuronal survival and cognitive functions. Oestrogens, such as oestradiol, regulate synaptic plasticity, reproductive behaviour, aggressive behaviour and learning. In addition, neurosteroids are neuroprotective in animal models of Alzheimer's disease, Parkinson's disease, brain injury and ageing. Using in situ hybridisation and/or immunohistochemistry, steroidogenic enzymes, including cytochrome P450 side-chain cleavage, 3β-hydroxysteroid dehydrogenase/Δ5-Δ4 isomerase, cytochrome P450arom, steroid 5α-reductase and 3α-hydroxysteroid dehydrogenase, have been detected in numerous brain regions, including the hippocampus, hypothalamus and cerebral cortex. In the present review, we summarise some of the studies related to the synthesis and function of oestrogens and progestagens in the central nervous system.
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Affiliation(s)
- M F Rossetti
- Departamento de Bioquímica Clínica, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
- Instituto de Salud y Ambiente del Litoral, CONICET-Universidad Nacional del Litoral, Santa Fe, Argentina
| | - M J Cambiasso
- Instituto de Investigación Médica Mercedes y Martín Ferreyra, INIMEC-CONICET-Universidad Nacional de Córdoba, Córdoba, Argentina
- Departamento de Biología Bucal, Facultad de Odontología, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - M A Holschbach
- Biomedical Sciences, Colorado State University, Fort Collins, CO, USA
| | - R Cabrera
- Instituto de Investigaciones Biomédicas, INBIOMED-IMBECU-CONICET, Universidad de Mendoza, Mendoza, Argentina
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