1
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Li A, Ruan M, Fei X, Xu H, Deng S, Bi R, Yang W, Dong L. Altered cytokeratin 5 expression in breast lobular myoepithelial cells. J Clin Pathol 2024; 77:536-543. [PMID: 37116947 DOI: 10.1136/jcp-2023-208835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Accepted: 04/11/2023] [Indexed: 04/30/2023]
Abstract
AIMS Cytokeratin 5 (CK5) is a surrogate maker of progenitor cells and early glandular and myoepithelial cells (MECs) in the breast, and CK5 expression in breast MECs varies from ducts to lobules, and from normal to diseased tissue. However, the mechanisms underlying immunophenotypic alterations of CK5 expression in MECs remain unclear. METHODS CK5 expression in MECs of 20 normal breast samples, 58 ductal carcinoma in situ (DCIS; including 21 DCIS with extensive lobular involvement), 11 atypical ductal hyperplasia (ADH), 18 non-invasive lobular neoplasia consisting of 11 atypical lobular hyperplasia (ALH) and 7 lobular carcinoma in situ (LCIS), 20 cystic lobules and 10 usual ductal hyperplasia (UDH) involving lobules were observed to evaluate the effects of contact with benign hyperplastic or cancerous luminal cells and pressure of dilated glands on CK5 expression. RESULTS CK5 expression in normal ductal MECs was exclusively positive, whereas most normal lobular MECs were negative. In DCIS, cancerous ducts were primarily surrounded by CK5-positive MECs (91.0%), as were lobular acini involved by DCIS (89.2%), while the remaining normal acini maintained CK5-negative. CK5-positive MECs were found in 57.5% of acini in ALH and were more prevalent in LCIS (70.7%). CK5 expression was occasionally positive in both cystic lobules (16.7%) and lobules involved by UDH (14.3%), while an increase of CK5-positive MECs was found in ADH (38.2%). CONCLUSIONS These results suggest that CK5 expression in lobular MECs may be altered by contact with cancerous luminal cells rather than benign hyperplastic luminal cells or pressure from dilated glands.
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Affiliation(s)
- Anqi Li
- Department of Pathology, Shanghai Jiao Tong University Medical School Affiliated Ruijin Hospital, Shanghai, China
| | - Miao Ruan
- Department of Pathology, Shanghai Jiao Tong University Medical School Affiliated Ruijin Hospital, Shanghai, China
| | - Xiaochun Fei
- Department of Pathology, Shanghai Jiao Tong University Medical School Affiliated Ruijin Hospital, Shanghai, China
| | - Haimin Xu
- Department of Pathology, Shanghai Jiao Tong University Medical School Affiliated Ruijin Hospital, Shanghai, China
| | - Shijie Deng
- Department of Pathology, Shanghai Jiao Tong University Medical School Affiliated Ruijin Hospital, Shanghai, China
| | - Rui Bi
- Department of Pathology, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College of Fudan University, Shanghai, China
| | - Wentao Yang
- Department of Pathology, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College of Fudan University, Shanghai, China
| | - Lei Dong
- Department of Pathology, Shanghai Jiao Tong University Medical School Affiliated Ruijin Hospital, Shanghai, China
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2
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Tytti K, Sanna K, Carla G, Jonatan P, Kaisa R, Sari T. Mechanosensitive TRPV4 channel guides maturation and organization of the bilayered mammary epithelium. Sci Rep 2024; 14:6774. [PMID: 38514727 PMCID: PMC10957991 DOI: 10.1038/s41598-024-57346-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 03/18/2024] [Indexed: 03/23/2024] Open
Abstract
Biophysical cues from the cell microenvironment are detected by mechanosensitive components at the cell surface. Such machineries convert physical information into biochemical signaling cascades within cells, subsequently leading to various cellular responses in a stimulus-dependent manner. At the surface of extracellular environment and cell cytoplasm exist several ion channel families that are activated by mechanical signals to direct intracellular events. One of such channel is formed by transient receptor potential cation channel subfamily V member, TRPV4 that is known to act as a mechanosensor in wide variaty of tissues and control ion-influx in a spatio-temporal way. Here we report that TRPV4 is prominently expressed in the stem/progenitor cell populations of the mammary epithelium and seems important for the lineage-specific differentiation, consequently affecting mechanical features of the mature mammary epithelium. This was evident by the lack of several markers for mature myoepithelial and luminal epithelial cells in TRPV4-depleted cell lines. Interestingly, TRPV4 expression is controlled in a tension-dependent manner and it also impacts differentation process dependently on the stiffness of the microenvironment. Furthermore, such cells in a 3D compartment were disabled to maintain normal mammosphere structures and displayed abnormal lumen formation, size of the structures and disrupted cellular junctions. Mechanosensitive TRPV4 channel therefore act as critical player in the homeostasis of normal mammary epithelium through sensing the physical environment and guiding accordingly differentiation and structural organization of the bilayered mammary epithelium.
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Affiliation(s)
- Kärki Tytti
- Department of Applied Physics, School of Science, Aalto University, Espoo, Finland
| | - Koskimäki Sanna
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - Guenther Carla
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - Pirhonen Jonatan
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - Rajakylä Kaisa
- School of Social Services and Health Care, Tampere University of Applied Sciences, Tampere, Finland
| | - Tojkander Sari
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland.
- Tampere Institute for Advanced Study, Tampere University, Tampere, Finland.
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3
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Wang Y, Hongu T, Nishimura T, Takeuchi Y, Takano H, Daikoku T, Yao R, Gotoh N. Mitochondrial one-carbon metabolic enzyme MTHFD2 facilitates mammary gland development during pregnancy. Biochem Biophys Res Commun 2023; 674:183-189. [PMID: 37450958 DOI: 10.1016/j.bbrc.2023.06.074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 06/16/2023] [Accepted: 06/23/2023] [Indexed: 07/18/2023]
Abstract
Mitochondrial one-carbon metabolism is crucial for embryonic development and tumorigenesis, as it supplies one-carbon units necessary for nucleotide synthesis and rapid cell proliferation. However, its contribution to adult tissue homeostasis remains largely unknown. To examine its role in adult tissue homeostasis, we specifically investigated mammary gland development during pregnancy, as it involves heightened cell proliferation. We discovered that MTHFD2, a mitochondrial one-carbon metabolic enzyme, is expressed in both luminal and basal/myoepithelial cell layers, with upregulated expression during pregnancy. Using the mouse mammary tumor virus (MMTV)-Cre recombinase system, we generated mice with a specific mutation of Mthfd2 in mammary epithelial cells. While the mutant mice were capable of properly nurturing their offspring, the pregnancy-induced expansion of mammary glands was significantly delayed. This indicates that MTHFD2 contributes to the rapid development of mammary glands during pregnancy. Our findings shed light on the role of mitochondrial one-carbon metabolism in facilitating rapid cell proliferation, even in the context of the adult tissue homeostasis.
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Affiliation(s)
- Yuming Wang
- Division of Cancer Cell Biology, Cancer Research Institute, Kanazawa Univerisity, Japan
| | - Tsunaki Hongu
- Division of Cancer Cell Biology, Cancer Research Institute, Kanazawa Univerisity, Japan
| | - Tatsunori Nishimura
- Division of Cancer Cell Biology, Cancer Research Institute, Kanazawa Univerisity, Japan
| | - Yasuto Takeuchi
- Division of Cancer Cell Biology, Cancer Research Institute, Kanazawa Univerisity, Japan
| | - Hiroshi Takano
- Department of Cell Biology, Cancer Institute, Japanese Foundation for Cancer Research (JFCR), Japan
| | - Takiko Daikoku
- Division of Animal Disease Model, Research Center for Experimental Modeling of Human Disease, Kanazawa University, Japan
| | - Ryoji Yao
- Department of Cell Biology, Cancer Institute, Japanese Foundation for Cancer Research (JFCR), Japan
| | - Noriko Gotoh
- Division of Cancer Cell Biology, Cancer Research Institute, Kanazawa Univerisity, Japan.
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4
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Mohamed GA, Mahmood S, Ognjenovic NB, Lee MK, Wilkins OM, Christensen BC, Muller KE, Pattabiraman DR. Lineage plasticity enables low-ER luminal tumors to evolve and gain basal-like traits. Breast Cancer Res 2023; 25:23. [PMID: 36859337 PMCID: PMC9979432 DOI: 10.1186/s13058-023-01621-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Accepted: 02/15/2023] [Indexed: 03/03/2023] Open
Abstract
Stratifying breast cancer into specific molecular or histologic subtypes aids in therapeutic decision-making and predicting outcomes; however, these subtypes may not be as distinct as previously thought. Patients with luminal-like, estrogen receptor (ER)-expressing tumors have better prognosis than patients with more aggressive, triple-negative or basal-like tumors. There is, however, a subset of luminal-like tumors that express lower levels of ER, which exhibit more basal-like features. We have found that breast tumors expressing lower levels of ER, traditionally considered to be luminal-like, represent a distinct subset of breast cancer characterized by the emergence of basal-like features. Lineage tracing of low-ER tumors in the MMTV-PyMT mouse mammary tumor model revealed that basal marker-expressing cells arose from normal luminal epithelial cells, suggesting that luminal-to-basal plasticity is responsible for the evolution and emergence of basal-like characteristics. This plasticity allows tumor cells to gain a new lumino-basal phenotype, thus leading to intratumoral lumino-basal heterogeneity. Single-cell RNA sequencing revealed SOX10 as a potential driver for this plasticity, which is known among breast tumors to be almost exclusively expressed in triple-negative breast cancer (TNBC) and was also found to be highly expressed in low-ER tumors. These findings suggest that basal-like tumors may result from the evolutionary progression of luminal tumors with low ER expression.
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Affiliation(s)
- Gadisti Aisha Mohamed
- Department of Molecular and Systems Biology, Geisel School of Medicine at Dartmouth, Hanover, NH, 03755, USA
| | - Sundis Mahmood
- Department of Pathology, Dartmouth-Hitchcock Medical Center, Lebanon, NH, 03756, USA
| | - Nevena B Ognjenovic
- Department of Molecular and Systems Biology, Geisel School of Medicine at Dartmouth, Hanover, NH, 03755, USA
| | - Min Kyung Lee
- Department of Epidemiology, Geisel School of Medicine at Dartmouth, Hanover, NH, 03755, USA
| | - Owen M Wilkins
- Department of Biomedical Data Science, Geisel School of Medicine at Dartmouth, Hanover, NH, 03755, USA
- Dartmouth Cancer Center, Dartmouth-Hitchcock Medical Center, Lebanon, NH, 03756, USA
| | - Brock C Christensen
- Department of Molecular and Systems Biology, Geisel School of Medicine at Dartmouth, Hanover, NH, 03755, USA
- Department of Epidemiology, Geisel School of Medicine at Dartmouth, Hanover, NH, 03755, USA
- Dartmouth Cancer Center, Dartmouth-Hitchcock Medical Center, Lebanon, NH, 03756, USA
| | - Kristen E Muller
- Department of Pathology, Dartmouth-Hitchcock Medical Center, Lebanon, NH, 03756, USA.
| | - Diwakar R Pattabiraman
- Department of Molecular and Systems Biology, Geisel School of Medicine at Dartmouth, Hanover, NH, 03755, USA.
- Dartmouth Cancer Center, Dartmouth-Hitchcock Medical Center, Lebanon, NH, 03756, USA.
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5
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Chen W, Wang G, Zhang G. Insights into the transition of ductal carcinoma in situ to invasive ductal carcinoma: morphology, molecular portraits, and the tumor microenvironment. Cancer Biol Med 2022; 19:1487-1495. [PMID: 36350000 PMCID: PMC9630521 DOI: 10.20892/j.issn.2095-3941.2022.0440] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 09/05/2022] [Indexed: 07/02/2024] Open
Affiliation(s)
- Weiling Chen
- Department of Breast-Thyroid-Surgery and Cancer Center, Xiang’An Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361101, China
- Fujian Key Laboratory of Precision Diagnosis and Treatment in Breast Cancer, Xiang’An Hospital of Xiamen University, Xiamen 361101, China
- Key Laboratory for Endocrine-Related Cancer Precision Medicine of Xiamen, Xiang’An Hospital of Xiamen University, Xiamen 361101, China
- Xiamen Research Center of Clinical Medicine in Breast & Thyroid Cancers, Xiang’An Hospital of Xiamen University, Xiamen 361101, China
| | - Guimei Wang
- Xiamen Research Center of Clinical Medicine in Breast & Thyroid Cancers, Xiang’An Hospital of Xiamen University, Xiamen 361101, China
- Department of Pathology, Xiang’An Hospital of Xiamen University, Xiamen 361101, China
| | - Guojun Zhang
- Department of Breast-Thyroid-Surgery and Cancer Center, Xiang’An Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361101, China
- Fujian Key Laboratory of Precision Diagnosis and Treatment in Breast Cancer, Xiang’An Hospital of Xiamen University, Xiamen 361101, China
- Key Laboratory for Endocrine-Related Cancer Precision Medicine of Xiamen, Xiang’An Hospital of Xiamen University, Xiamen 361101, China
- Xiamen Research Center of Clinical Medicine in Breast & Thyroid Cancers, Xiang’An Hospital of Xiamen University, Xiamen 361101, China
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Pandey SK, Machlof-Cohen R, Santhanam M, Shteinfer-Kuzmine A, Shoshan-Barmatz V. Silencing VDAC1 to Treat Mesothelioma Cancer: Tumor Reprograming and Altering Tumor Hallmarks. Biomolecules 2022; 12:biom12070895. [PMID: 35883451 PMCID: PMC9312978 DOI: 10.3390/biom12070895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 06/20/2022] [Accepted: 06/24/2022] [Indexed: 12/10/2022] Open
Abstract
Mesothelioma, an aggressive cancer with a poor prognosis, is linked to asbestos exposure. However, carbon nanotubes found in materials we are exposed to daily can cause mesothelioma cancer. Cancer cells reprogram their metabolism to support increased biosynthetic and energy demands required for their growth and motility. Here, we examined the effects of silencing the expression of the voltage-dependent anion channel 1 (VDAC1), controlling the metabolic and energetic crosstalk between mitochondria and the rest of the cell. We demonstrate that VDAC1 is overexpressed in mesothelioma patients; its levels increase with disease stage and are associated with low survival rates. Silencing VDAC1 expression using a specific siRNA identifying both mouse and human VDAC1 (si-m/hVDAC1-B) inhibits cell proliferation of mesothelioma cancer cells. Treatment of xenografts of human-derived H226 cells or mouse-derived AB1 cells with si-m/hVDAC1-B inhibited tumor growth and caused metabolism reprogramming, as reflected in the decreased expression of metabolism-related proteins, including glycolytic and tricarboxylic acid (-)cycle enzymes and the ATP-synthesizing enzyme. In addition, tumors depleted of VDAC1 showed altered microenvironments and inflammation, both associated with cancer progression. Finally, tumor VDAC1 silencing also eliminated cancer stem cells and induced cell differentiation to normal-like cells. The results show that silencing VDAC1 expression leads to reprogrammed metabolism and to multiple effects from tumor growth inhibition to modulation of the tumor microenvironment and inflammation, inducing differentiation of malignant cells. Thus, silencing VDAC1 is a potential therapeutic approach to treating mesothelioma.
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Affiliation(s)
- Swaroop Kumar Pandey
- Department of Life Sciences, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel; (S.K.P.); (R.M.-C.); (M.S.)
- The National Institute for Biotechnology in the Negev, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel;
| | - Renen Machlof-Cohen
- Department of Life Sciences, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel; (S.K.P.); (R.M.-C.); (M.S.)
| | - Manikandan Santhanam
- Department of Life Sciences, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel; (S.K.P.); (R.M.-C.); (M.S.)
- The National Institute for Biotechnology in the Negev, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel;
| | - Anna Shteinfer-Kuzmine
- The National Institute for Biotechnology in the Negev, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel;
| | - Varda Shoshan-Barmatz
- Department of Life Sciences, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel; (S.K.P.); (R.M.-C.); (M.S.)
- The National Institute for Biotechnology in the Negev, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel;
- Correspondence: ; Tel.: +972-528795939; Fax: +972-86479207
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7
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Goldhammer N, Kim J, Villadsen R, Rønnov-Jessen L, Petersen OW. Myoepithelial progenitors as founder cells of hyperplastic human breast lesions upon PIK3CA transformation. Commun Biol 2022; 5:219. [PMID: 35273332 PMCID: PMC8913783 DOI: 10.1038/s42003-022-03161-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 02/08/2022] [Indexed: 12/20/2022] Open
Abstract
The myoepithelial (MEP) lineage of human breast comprises bipotent and multipotent progenitors in ducts and terminal duct lobular units (TDLUs). We here assess whether this heterogeneity impacts on oncogenic PIK3CA transformation. Single cell RNA sequencing (scRNA-seq) and multicolor imaging reveal that terminal ducts represent the most enriched source of cells with ductal MEP markers including α-smooth muscle actin (α-SMA), keratin K14, K17 and CD200. Furthermore, we find neighboring CD200high and CD200low progenitors within terminal ducts. When sorted and kept in ground state conditions, their CD200low and CD200high phenotypes are preserved. Upon differentiation, progenitors remain multipotent and bipotent, respectively. Immortalized progenitors are transduced with mutant PIK3CA on an shp53 background. Upon transplantation, CD200low MEP progenitors distinguish from CD200high by the formation of multilayered structures with a hyperplastic inner layer of luminal epithelial cells. We suggest a model with spatially distributed MEP progenitors as founder cells of biphasic breast lesions with implications for early detection and prevention strategies. Breast myoepithelial cells are characterised using single cell sequencing, where they are distinguished by CD200 expression. Distinct properties of CD200-low and CD200-high are found, which suggest that CD200-low cells are multipotent, whereas CD200-high cells are bipotent.
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Affiliation(s)
- Nadine Goldhammer
- Department of Cellular and Molecular Medicine, University of Copenhagen, Copenhagen N, Denmark.,Novo Nordisk Foundation Center for Stem Cell Biology, University of Copenhagen, Copenhagen N, Denmark
| | - Jiyoung Kim
- Department of Cellular and Molecular Medicine, University of Copenhagen, Copenhagen N, Denmark.,Novo Nordisk Foundation Center for Stem Cell Biology, University of Copenhagen, Copenhagen N, Denmark
| | - René Villadsen
- Department of Cellular and Molecular Medicine, University of Copenhagen, Copenhagen N, Denmark
| | - Lone Rønnov-Jessen
- Section for Cell Biology and Physiology, Department of Biology, University of Copenhagen, Copenhagen Ø, Denmark
| | - Ole William Petersen
- Department of Cellular and Molecular Medicine, University of Copenhagen, Copenhagen N, Denmark. .,Novo Nordisk Foundation Center for Stem Cell Biology, University of Copenhagen, Copenhagen N, Denmark.
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8
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Leonel ECR, Ruiz TFR, Bedolo CM, Campos SGP, Taboga SR. Inflammatory repercussions in female steroid responsive glands after perinatal exposure to bisphenol A and 17-β estradiol. Cell Biol Int 2021; 45:2264-2274. [PMID: 34288236 DOI: 10.1002/cbin.11665] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 07/07/2021] [Accepted: 07/12/2021] [Indexed: 12/18/2022]
Abstract
The mammary gland (MG) and female prostate are plastic reproductive organs which are highly responsive to hormones. Thus, endocrine disruptors, such as bisphenol A (BPA) and exogenous estrogens, negatively affect glandular homeostasis. In addition to previously described alterations, changes in inflammatory markers expression also trigger the development of a microenvironment that contributes to tumor progression. The current work aimed to evaluate the inflammatory responses of the MG and prostate gland to BPA (50 µg/kg) and 17-β estradiol (35 µg/kg) exposure during the perinatal window of susceptibility. The results showed that at 6 months of age there was an increase in the number of phospho-STAT3 (P-STAT3) positive cells in the female prostate from animals perinatally exposed to 50 µg/kg BPA daily. In addition, the number of macrophages increased in these animals in comparison with nonexposed animals, as shown by the F4/80 marker. Despite an increase in the incidence of lobuloalveolar and intraductal hyperplasia, the MG did not show any difference in the expression of the four inflammatory markers evaluated: tumor necrosis factor-α, COX-2, P-STAT3, and F4/80. Analysis of both glands from the same animal led to the conclusion that exposure to endocrine disruptors during the perinatal window of susceptibility leads to different inflammatory responses in different reproductive organs. As the prostate is more susceptible to these inflammatory mechanisms, it is reasonable to affirm that possible neoplastic alterations in this organ are related to changes in the inflammatory pattern of the stroma, a characteristic that is not evident in the MG.
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Affiliation(s)
- Ellen Cristina Rivas Leonel
- Department of Biology, Humanities, and Exact Sciences, Institute of Biosciences, São Paulo State University (UNESP), São José do Rio Preto, São Paulo, Brazil.,Department of Histology, Embriology, and Cell Biology, Institute of Biological Sciences (ICB III), Federal University of Goiás (UFG), Goiânia, Goiás, Brazil
| | - Thalles Fernando Rocha Ruiz
- Department of Biology, Humanities, and Exact Sciences, Institute of Biosciences, São Paulo State University (UNESP), São José do Rio Preto, São Paulo, Brazil
| | - Carolina Marques Bedolo
- Department of Biology, Humanities, and Exact Sciences, Institute of Biosciences, São Paulo State University (UNESP), São José do Rio Preto, São Paulo, Brazil
| | - Silvana Gisele Pegorin Campos
- Department of Biology, Humanities, and Exact Sciences, Institute of Biosciences, São Paulo State University (UNESP), São José do Rio Preto, São Paulo, Brazil
| | - Sebastião Roberto Taboga
- Department of Biology, Humanities, and Exact Sciences, Institute of Biosciences, São Paulo State University (UNESP), São José do Rio Preto, São Paulo, Brazil
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