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Vittori M. Structural diversity of crustacean exoskeletons and its implications for biomimetics. Interface Focus 2024; 14:20230075. [PMID: 38618234 PMCID: PMC11008965 DOI: 10.1098/rsfs.2023.0075] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Accepted: 02/16/2024] [Indexed: 04/16/2024] Open
Abstract
The crustacean cuticle is a biological composite material consisting of chitin-protein fibres in a mineralized matrix. Recent research has revealed a surprising range of fibre architectures and mineral compositions of crustacean skeletal structures adapted to various mechanical demands. It is becoming increasingly clear that the organic fibres in the cuticle may be organized in patterns differing from the standard twisted plywood model. Observed fibre architectures in protruding skeletal structures include longitudinal and circular parallel fibre arrays. Skeletal minerals often include calcium phosphates in addition to calcium carbonates. Furthermore, skeletal properties are affected by protein cross-linking, which replaces mineralization as a stiffening mechanism in some structures. Several common structural motifs, such as the stiffening of the outer skeletal layers, the incorporation of non-mineralized cuticle in exposed structures, and interchanging layers of parallel fibres and the twisted plywood structure, can be identified in skeletal elements with similar functions. These evolutionary solutions have the potential for biomimetic applications, particularly as manufacturing technologies advance. To make use of this potential, we need to understand the processes behind the formation of the crustacean exoskeleton and determine which features are truly adaptive and worth mimicking.
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Affiliation(s)
- Miloš Vittori
- University of Ljubljana, Biotechnical Faculty, Department of Biology, Večna pot 111, 1000 Ljubljana, Slovenia
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Bertolo R, Iacovelli V, Cipriani C, Carilli M, Vittori M, Antonucci M, Maiorino F, Signoretti M, Petta F, Travaglia S, Panei M, Bove P. Transperineal laser ablation versus trans-urethral resection of prostate for benign prostatic obstruction: A randomized trial. Eur Urol 2023. [DOI: 10.1016/s0302-2838(23)00287-7] [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: 02/12/2023]
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Vittori M, Signoretti M, Cipriani C, Bertolo R, Gasparoli C, Antonucci M, Maiorino F, Carilli M, Iacovelli V, Petta F, Panei M, Travaglia S, Filippi B, Vicentini C, Ferraro P, Bove P. Probiotics together with potassium citrate and magnesium reduce crystalluria in patients undergoing endourological surgery for stone disease: Report from a pilot study. Eur Urol 2023. [DOI: 10.1016/s0302-2838(23)01262-9] [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: 02/12/2023]
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Vittori M, Štrus J. Correction to: The integument in troglobitic and epigean woodlice (Isopoda: Oniscidea): a comparative ultrastructural study. ZOOMORPHOLOGY 2023. [DOI: 10.1007/s00435-022-00587-z] [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: 01/05/2023]
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Antonucci M, Castellani D, Signoretti M, Carilli M, Vittori M, Maiorino F, Cipriani C, Iacovelli V, Bertolo R, Dellabella M, Bove P. Bladder neck and urethral stenosis after thulium laser enucleation of the prostate: a multicentric cohort study. EUR UROL SUPPL 2022. [DOI: 10.1016/s2666-1683(22)01162-4] [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: 11/05/2022] Open
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Vittori M. New records of Trachelipusvespertilio (Budde-Lund, 1896) (Isopoda, Oniscidea) with a description of the male. Biodivers Data J 2022; 10:e91063. [PMID: 36761633 PMCID: PMC9836537 DOI: 10.3897/bdj.10.e91063] [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: 07/30/2022] [Accepted: 09/12/2022] [Indexed: 11/12/2022] Open
Abstract
Background The existing descriptions of the woodlouse Trachelipusvespertilio are based on a single female collected in Croatia in the nineteenth century. No further information on the occurrence of this species has been reported in published literature and the morphology of the male, which may offer additional reliable diagnostic characters, has remained unknown. New information On the basis of new material collected in Slovenia, a description of the male morphology of T.vespertilio is provided along with a species diagnosis. The rediscovery of this woodlouse after more than a century extends its distribution range to Slovenia.
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Affiliation(s)
- Miloš Vittori
- Department of Biology, Biotechnical Faculty, University of Ljubljana, Ljubljana, SloveniaDepartment of Biology, Biotechnical Faculty, University of LjubljanaLjubljanaSlovenia
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Vittori M, Dominko M. A bibliometric analysis of research on terrestrial isopods. Zookeys 2022; 1101:13-34. [PMID: 36760969 PMCID: PMC9848840 DOI: 10.3897/zookeys.1101.81016] [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: 01/22/2022] [Accepted: 02/15/2022] [Indexed: 11/12/2022] Open
Abstract
Terrestrial isopods (Oniscidea) are crustaceans that thrive in terrestrial environments. This study provides an overview of the major topics in terrestrial isopod research during the last 70 years in order to provide an example of publication practices in invertebrate zoology and to examine how basic research in this area is transferred to its applications. Co-citation analysis and bibliographic coupling based on citation data from the Web of Science Core Collection was used. Findings show that while research on terrestrial isopods expanded in applicative research prioritised by research policies, basic research continues to flourish. The most productive countries in the field include the major developed economies and several smaller nations. In the smaller countries, as well as in France and Italy, the bulk of woodlouse research is performed at a few institutions with traditions in this field. Some of the most influential works have been published in periodicals or monographs that are not indexed in Web of Science or Scopus and lack impact factors. Conference proceedings represent some of the most influential publications in the field. Our findings indicate that smaller and developing economies make significant contributions in invertebrate zoology if their research organisations can achieve continuity of research on a topic. Another conclusion is that journal metrics may be a misleading descriptor of the impact of studies and researchers in this field. Ultimately, these results identify several examples of how basic research in invertebrate zoology leads to applications with considerable socio-economic impact.
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Affiliation(s)
- Miloš Vittori
- Department of Biology, Biotechnical Faculty, University of Ljubljana, Večna pot 111, SI-1000 Ljubljana, SloveniaUniversity of LjubljanaLjubljanaSlovenia
| | - Miha Dominko
- Institute for Economic Research, Kardeljeva ploščad 17, 1109 Ljubljana, SloveniaInstitute for Economic ResearchLjubljanaSlovenia
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van Noorden CJ, Breznik B, Novak M, van Dijck AJ, Tanan S, Vittori M, Bogataj U, Bakker N, Khoury JD, Molenaar RJ, Hira VV. Cell Biology Meets Cell Metabolism: Energy Production Is Similar in Stem Cells and in Cancer Stem Cells in Brain and Bone Marrow. J Histochem Cytochem 2022; 70:29-51. [PMID: 34714696 PMCID: PMC8721571 DOI: 10.1369/00221554211054585] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Energy production by means of ATP synthesis in cancer cells has been investigated frequently as a potential therapeutic target in this century. Both (an)aerobic glycolysis and oxidative phosphorylation (OXPHOS) have been studied. Here, we review recent literature on energy production in glioblastoma stem cells (GSCs) and leukemic stem cells (LSCs) versus their normal counterparts, neural stem cells (NSCs) and hematopoietic stem cells (HSCs), respectively. These two cancer stem cell types were compared because their niches in glioblastoma tumors and in bone marrow are similar. In this study, it became apparent that (1) ATP is produced in NSCs and HSCs by anaerobic glycolysis, whereas fatty acid oxidation (FAO) is essential for their stem cell fate and (2) ATP is produced in GSCs and LSCs by OXPHOS despite the hypoxic conditions in their niches with FAO and amino acids providing its substrate. These metabolic processes appeared to be under tight control of cellular regulation mechanisms which are discussed in depth. However, our conclusion is that systemic therapeutic targeting of ATP production via glycolysis or OXPHOS is not an attractive option because of its unwanted side effects in cancer patients.
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Affiliation(s)
| | - Barbara Breznik
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia
| | - Metka Novak
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia
| | | | | | - Miloš Vittori
- Amsterdam UMC Location Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands; Department of Biology, Biotechnical Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Urban Bogataj
- Amsterdam UMC Location Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands; Department of Biology, Biotechnical Faculty, University of Ljubljana, Ljubljana, Slovenia
| | | | - Joseph D. Khoury
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Remco J. Molenaar
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia,Department of Medical Oncology
| | - Vashendriya V.V. Hira
- Vashendriya V.V. Hira, Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Večna Pot 111, 1000 Ljubljana, Slovenia. E-mail:
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Bove P, Bertolo R, Cipriani C, Iacovelli V, Vittori M, Maiorino F, Carilli M, Petta F, Antonucci M, Panei M, Travaglia S. Trans-perineal laser ablation of prostate for benign prostatic obstruction: a pilot prospective study. EUR UROL SUPPL 2021. [DOI: 10.1016/s2666-1683(21)00710-2] [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: 11/16/2022] Open
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Porčnik A, Novak M, Breznik B, Majc B, Hrastar B, Šamec N, Zottel A, Jovčevska I, Vittori M, Rotter A, Komel R, Lah Turnšek T. TRIM28 Selective Nanobody Reduces Glioblastoma Stem Cell Invasion. Molecules 2021; 26:molecules26175141. [PMID: 34500575 PMCID: PMC8434287 DOI: 10.3390/molecules26175141] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [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: 07/06/2021] [Revised: 08/22/2021] [Accepted: 08/23/2021] [Indexed: 12/18/2022] Open
Abstract
Glioblastoma (GB), is the most common and aggressive malignant primary brain tumour in adults. Intra- and inter-tumour heterogeneity, infiltrative GB cell invasion and presence of therapy-resistant GB stem cells (GSCs) represent major obstacles to favourable prognosis and poor therapy response. Identifying the biomarkers of the most aggressive tumour cells and their more efficient targeting strategies are; therefore, crucial. Recently, transcription factor TRIM28 has been identified as a GB biomarker and, in this study, we have shown high expression of TRIM28 in GB and in low grade gliomas as well as higher expression in GSCs vs. differentiated GB cells, although in both cases not significant. We demonstrated significant in vitro inhibition of GB cells and GSCs invasiveness and spread in zebrafish brains in vivo by anti-TRIM28 selective nanobody NB237. TRIM28 was also enriched in GB (tumour) core and associated with the expression of stem cell genes, but was not prognostic for overall survival. However, based on the above results, we conclude that TRIM28 nanobody NB237 offers a new opportunity as a GB therapeutic tool.
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Affiliation(s)
- Andrej Porčnik
- Department of Neurosurgery, University Medical Centre Ljubljana, 1000 Ljubljana, Slovenia;
| | - Metka Novak
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, 1000 Ljubljana, Slovenia; (M.N.); (B.B.); (B.M.); (B.H.); (A.R.)
| | - Barbara Breznik
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, 1000 Ljubljana, Slovenia; (M.N.); (B.B.); (B.M.); (B.H.); (A.R.)
| | - Bernarda Majc
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, 1000 Ljubljana, Slovenia; (M.N.); (B.B.); (B.M.); (B.H.); (A.R.)
- Jožef Stefan International Postgraduate School, 1000 Ljubljana, Slovenia
| | - Barbara Hrastar
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, 1000 Ljubljana, Slovenia; (M.N.); (B.B.); (B.M.); (B.H.); (A.R.)
| | - Neja Šamec
- Medical Centre for Molecular Biology, Institute for Biochemistry and Molecular Genetics, Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia; (N.Š.); (A.Z.); (I.J.)
| | - Alja Zottel
- Medical Centre for Molecular Biology, Institute for Biochemistry and Molecular Genetics, Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia; (N.Š.); (A.Z.); (I.J.)
| | - Ivana Jovčevska
- Medical Centre for Molecular Biology, Institute for Biochemistry and Molecular Genetics, Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia; (N.Š.); (A.Z.); (I.J.)
| | - Miloš Vittori
- Department of Biology, Biotechnical Faculty, University of Ljubljana, 1000 Ljubljana, Slovenia;
| | - Ana Rotter
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, 1000 Ljubljana, Slovenia; (M.N.); (B.B.); (B.M.); (B.H.); (A.R.)
| | - Radovan Komel
- Medical Centre for Molecular Biology, Institute for Biochemistry and Molecular Genetics, Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia; (N.Š.); (A.Z.); (I.J.)
- Correspondence: (R.K.); (T.L.T.)
| | - Tamara Lah Turnšek
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, 1000 Ljubljana, Slovenia; (M.N.); (B.B.); (B.M.); (B.H.); (A.R.)
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, 1000 Ljubljana, Slovenia
- Correspondence: (R.K.); (T.L.T.)
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Bertolo R, Vittori M, Cipriani C, Mariorino F, Iacovelli V, Petta F, Toschi N, Ferro M, Panei M, Travaglia S, Bove P. Is thulium laser vapoenucleation of the prostate equally safe and effective in elderly patients? A propensity score matched analysis of early perioperative and functional outcomes. Actas Urol Esp 2021; 45:S0210-4806(21)00091-7. [PMID: 34334243 DOI: 10.1016/j.acuro.2020.09.015] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 09/10/2020] [Accepted: 09/22/2020] [Indexed: 01/23/2023]
Abstract
PURPOSE To evaluate if thulium laser vapoenucleation of the prostate (ThuVEP) is equally safe and effective in a selected cohort of elderly patients when compared to "younger" patients. MATERIALS AND METHODS We performed a retrospective analysis of consecutive patients who underwent ThuVEP between September 2018 and February 2020. After application of the inclusion/exclusion criteria, patients were stratified according to the 75 years-old cut-off point suggested by the WHO. Group A included patients < 75 years-old; Group B included patients > 75 years-old. Preoperative assessment included urological consultation, prostate specific antigen (PSA), International Prostate Symptom Score (IPSS) and quality of life index, transrectal ultrasound to estimate prostate volume (PVol), and uroflowmetry to assess preoperative Qmax, Qave and post-void residual volume (PVR). Perioperative and postoperative data were analyzed during 3-month follow-up. RESULTS After propensity-score analysis, 51 versus 51 patients were 1:1 matched according to PVol, PSA, Qmax, IPSS and QoL. Patients were comparable at baseline excluding age (65 (IQR 59-70) versus 79 (IQR 77-82) years, Group A versus B, respectively, p-value < 0.001). No differences were found in terms of hemoglobin drop, complications rate, catheterization time and length of hospital stay. Group A (younger) patients had more significant improvement in 30-days absolute Qmax, Qave and ΔQmax. At 90-days follow-up, the differences between the groups disappeared. Within the 90-days follow-up, no significant differences were found in the readmission rate, with no need of reinterventions. CONCLUSIONS In our hands, even in elderly patients affected by BPH, ThuVEP appears to be a safe and effective treatment option.
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Affiliation(s)
- R Bertolo
- Department of Urology, San Carlo di Nancy Hospital, Roma, Italia.
| | - M Vittori
- Department of Urology, San Carlo di Nancy Hospital, Roma, Italia
| | - C Cipriani
- Department of Urology, San Carlo di Nancy Hospital, Roma, Italia
| | - F Mariorino
- Department of Urology, San Carlo di Nancy Hospital, Roma, Italia
| | - V Iacovelli
- Department of Urology, San Carlo di Nancy Hospital, Roma, Italia
| | - F Petta
- Department of Urology, San Carlo di Nancy Hospital, Roma, Italia
| | - N Toschi
- Medical Physics Section, Department of Biomedicine and Prevention, University of Rome "Tor Vergata", Roma, Italia
| | - M Ferro
- Division of Urology, European Institute of Oncology, Milán, Italia
| | - M Panei
- Department of Urology, San Carlo di Nancy Hospital, Roma, Italia
| | - S Travaglia
- Department of Urology, San Carlo di Nancy Hospital, Roma, Italia
| | - P Bove
- Department of Urology, San Carlo di Nancy Hospital, Roma, Italia; Urology Unit, Department of Surgery, Tor Vergata University of Rome, Roma, Italia
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Bertolo R, Forte V, Cipriani C, Vittori M, Cavallo A, Iacovelli V, Antonucci M, Petta F, Panei M, Sperandio M, Bove P. Performance comparison between computer-software-based fusion versus cognitive fusion technique in biopsy-naïve patients: A single-center analysis. Eur Urol 2021. [DOI: 10.1016/s0302-2838(21)01327-0] [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: 10/20/2022]
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Vittori M. Structure of a hinge joint with textured sliding surfaces in terrestrial isopods (Crustacea: Isopoda: Oniscidea). Zoological Lett 2021; 7:7. [PMID: 33975647 PMCID: PMC8114531 DOI: 10.1186/s40851-021-00177-9] [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] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Accepted: 04/30/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND The study of joints in terrestrial arthropods can provide insights into the evolutionary optimization of contacting surfaces that slide without lubrication. This work reports on the structure of the joint between the propodus and the dactylus in terrestrial isopods, the most successful group of crustaceans on land, focusing on the woodlouse Porcellio scaber. METHODS The joints were studied using fluorescence microscopy, 3D reconstruction, scanning electron microscopy and transmission electron microscopy. The obtained results were functionally interpreted using high-speed video recordings by analyzing the use of the joint during locomotion. RESULTS In the joint, which allows the dactylus to move in a single plain, a semicircular process on the propodus fits into a groove on the dactylus and guides its movement. The sliding surfaces of the propodal process are textured in the form of parallel epicuticular ridges a few hundred nanometers thick. This texturing is selective: while the less heavily loaded surfaces are textured, the surfaces that support the isopod during standing and walking are smooth. In contrast, the groove on the dactylus is completely smooth. We found a similar surface texture in several other species of terrestrial isopods and one aquatic isopod. CONCLUSIONS The selective texturing of the joint may reduce wear by eliminating small particles. This effect of the ridges was confirmed using electron microscopy. The absence of ridges on heavily loaded surfaces may enhance the dissipation of forces in these regions.
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Affiliation(s)
- Miloš Vittori
- Department of Biology, Biotechnical Faculty, University of Ljubljana, Večna pot 111, 1000, Ljubljana, Slovenia.
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Bertolo R, Vittori M, Cipriani C, Maiorino F, Forte V, Iacovelli V, Petta F, Sperandio M, Marani C, Panei M, Travaglia S, Bove P. Diagnostic pathway of the biopsy-naïve patient suspected for prostate cancer: Real-life scenario when multiparametric Magnetic Resonance Imaging is not centralized. Prog Urol 2021; 31:739-746. [PMID: 33431200 DOI: 10.1016/j.purol.2020.12.008] [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: 09/10/2020] [Revised: 11/27/2020] [Accepted: 12/07/2020] [Indexed: 10/22/2022]
Abstract
INTRODUCTION We aimed to compare the pathway including multi-parametric Magnetic Resonance Imaging (mpMRI) versus the one without mpMRI in detection of prostate cancer (PCa) when mpMRI is not centralized. MATERIALS January 2019-March 2020: prospective data collection of trans-perineal prostate biopsies. Group A: biopsy-naïve patients who underwent mpMRI (at any institution) versus Group B: patients who did not. Within Group A, patients were stratified into those with negative mpMRI (mpMRI-, PIRADS v2.1=1-3, with PSA density <0.15 if PIRADS 3) who underwent standard biopsy (SB), versus those with positive mpMRI (mpMRI+, when PIRADS 3-5, with PSA density>0.15 if PIRADS 3) who underwent cognitive fusion biopsy. RESULTS Two hundred and eighty one biopsies were analyzed. 153 patients underwent mpMRI (Group A). 98 mpMRI+ underwent fusion biopsy; 55 mpMRI- underwent SB. 128 Group B patients underwent SB. Overall PCa detection rate was 52.3% vs. 48.4% (Group A vs. B, P=0.5). Non-clinically-significant PCa was detected in 7.8 vs. 13.3% (Group A vs. B, P=0.1). Among the 98 mpMRI+ Group A patients only 2 had non clinically-significant disease. In 55 mpMRI- patients who underwent SB, 10 (18.2%) had clinically-significant PCa. Prostate volume predicted detection of PCa. In Group B, age and PSA predicted PCa. Sensitivity of mpMRI was 75.0% for all PCa, 85.3% for clinically-significant PCa. CONCLUSION Higher detection of PCa and lower detection of non-clinically-significant PCa favored mpMRI pathway. A consistent number of clinically-significant PCa was diagnosed after a mpMRI-. Thus, in real-life scenario, mpMRI- does not obviate indication to biopsy when mpMRI is not centralized. LEVEL OF EVIDENCE 3.
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Affiliation(s)
- R Bertolo
- Department of Urology, San Carlo di Nancy Hospital, Rome, Italy.
| | - M Vittori
- Department of Urology, San Carlo di Nancy Hospital, Rome, Italy
| | - C Cipriani
- Department of Urology, San Carlo di Nancy Hospital, Rome, Italy
| | - F Maiorino
- Department of Urology, San Carlo di Nancy Hospital, Rome, Italy
| | - V Forte
- Department of Radiology, San Carlo di Nancy Hospital, Rome, Italy
| | - V Iacovelli
- Department of Urology, San Carlo di Nancy Hospital, Rome, Italy
| | - F Petta
- Department of Urology, San Carlo di Nancy Hospital, Rome, Italy
| | - M Sperandio
- Department of Radiology, San Carlo di Nancy Hospital, Rome, Italy
| | - C Marani
- Department of Anatomo-Pathology, San Carlo di Nancy Hospital, Rome, Italy
| | - M Panei
- Department of Urology, San Carlo di Nancy Hospital, Rome, Italy
| | - S Travaglia
- Department of Urology, San Carlo di Nancy Hospital, Rome, Italy
| | - P Bove
- Department of Urology, San Carlo di Nancy Hospital, Rome, Italy
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Yetkin-Arik B, Kastelein AW, Klaassen I, Jansen CHJR, Latul YP, Vittori M, Biri A, Kahraman K, Griffioen AW, Amant F, Lok CAR, Schlingemann RO, van Noorden CJF. Angiogenesis in gynecological cancers and the options for anti-angiogenesis therapy. Biochim Biophys Acta Rev Cancer 2020; 1875:188446. [PMID: 33058997 DOI: 10.1016/j.bbcan.2020.188446] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 10/02/2020] [Accepted: 10/04/2020] [Indexed: 02/06/2023]
Abstract
Angiogenesis is required in cancer, including gynecological cancers, for the growth of primary tumors and secondary metastases. Development of anti-angiogenesis therapy in gynecological cancers and improvement of its efficacy have been a major focus of fundamental and clinical research. However, survival benefits of current anti-angiogenic agents, such as bevacizumab, in patients with gynecological cancer, are modest. Therefore, a better understanding of angiogenesis and the tumor microenvironment in gynecological cancers is urgently needed to develop more effective anti-angiogenic therapies, either or not in combination with other therapeutic approaches. We describe the molecular aspects of (tumor) blood vessel formation and the tumor microenvironment and provide an extensive clinical overview of current anti-angiogenic therapies for gynecological cancers. We discuss the different phenotypes of angiogenic endothelial cells as potential therapeutic targets, strategies aimed at intervention in their metabolism, and approaches targeting their (inflammatory) tumor microenvironment.
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Affiliation(s)
- Bahar Yetkin-Arik
- Ocular Angiogenesis Group, Department of Ophthalmology, Amsterdam Cardiovascular Sciences, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, Amsterdam, the Netherlands; Department of Medical Biology, Amsterdam Cardiovascular Sciences, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, Amsterdam, the Netherlands
| | - Arnoud W Kastelein
- Department of Obstetrics and Gynaecology, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, Amsterdam, the Netherlands.
| | - Ingeborg Klaassen
- Ocular Angiogenesis Group, Department of Ophthalmology, Amsterdam Cardiovascular Sciences, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, Amsterdam, the Netherlands; Department of Medical Biology, Amsterdam Cardiovascular Sciences, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, Amsterdam, the Netherlands
| | - Charlotte H J R Jansen
- Department of Obstetrics and Gynaecology, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, Amsterdam, the Netherlands
| | - Yani P Latul
- Department of Obstetrics and Gynaecology, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, Amsterdam, the Netherlands
| | - Miloš Vittori
- Biotechnical Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Aydan Biri
- Department of Obstetrics and Gynecology, Koru Ankara Hospital, Ankara, Turkey
| | - Korhan Kahraman
- Department of Obstetrics and Gynecology, Bahcesehir University School of Medicine, Istanbul, Turkey
| | - Arjan W Griffioen
- Angiogenesis Laboratory, Department of Medical Oncology, Amsterdam UMC, Cancer Center Amsterdam, Amsterdam, the Netherlands
| | - Frederic Amant
- Department of Oncology, KU Leuven, Leuven, Belgium; Center for Gynaecological Oncology, Antoni van Leeuwenhoek, Amsterdam, the Netherlands; Center for Gynaecological Oncology, Netherlands Cancer Institute, Amsterdam, the Netherlands; Center for Gynaecological Oncology, Amsterdam University Medical Centers, Amsterdam, the Netherlands
| | - Christianne A R Lok
- Center for Gynaecological Oncology, Antoni van Leeuwenhoek, Amsterdam, the Netherlands
| | - Reinier O Schlingemann
- Ocular Angiogenesis Group, Department of Ophthalmology, Amsterdam Cardiovascular Sciences, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, Amsterdam, the Netherlands; Department of Ophthalmology, University of Lausanne, Jules-Gonin Eye Hospital, Fondation Asile des Aveugles, Lausanne, Switzerland
| | - Cornelis J F van Noorden
- Department of Medical Biology, Amsterdam Cardiovascular Sciences, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, Amsterdam, the Netherlands; Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia
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16
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Vittori M, Bertolo R, Cipriani C, Iacovelli V, Petta F, Maiorino F, Panei M, Travaglia S, Bove P. Miniaturized versus standard percutaneous nephrolithotomy for single renal stones: our experience. EUR UROL SUPPL 2020. [DOI: 10.1016/s2666-1683(20)35423-9] [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: 10/23/2022] Open
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17
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Sarchi L, De Nunzio C, Cindolo L, Isepp A, Rizzo M, Bertolo R, Minervini A, Muto G, Bove P, Vittori M, Bozzini G, Castellan P, Mugavero F, Panfilo D, Saccani S, Falsaperla M, Schips L, Celia A, Bada M, Porreca A, Pastore A, Al Salhi Y, Giampaoli M, Novella G, Mantica G, Pini G, Lombardo R, Rocco B, Antonelli A, Tubaro A. Using a machine learning algorithm to predict prostate cancer grade. EUR UROL SUPPL 2020. [DOI: 10.1016/s2666-1683(20)35356-8] [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: 11/30/2022] Open
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18
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Bertolo R, Cipriani C, Vittori M, Iacovelli V, Petta F, Maiorino F, Panei M, Travaglia S, Bove P. Assessment of the aging male with lower urinary tract symptoms: a simplified Italian translation of the international prostate symptom score alters the outcomes. EUR UROL SUPPL 2020. [DOI: 10.1016/s2666-1683(20)35451-3] [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: 11/30/2022] Open
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19
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Bertolo R, Vittori M, Cipriani C, Maiorino F, Iacovelli V, Petta F, Panei M, Travaglia S, Bove P. Thulium laser enucleation versus transurethral resection of prostate in the treatment of benign prostatic hyperplasia: comparative analysis at a referral single-institution. EUR UROL SUPPL 2020. [DOI: 10.1016/s2666-1683(20)35449-5] [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: 11/30/2022] Open
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20
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Bertolo R, Vittori M, Cipriani C, Iacovelli V, Maiorino F, Petta F, Panei M, Travaglia S, Bove P. The ‘Assistant Effect’ during robotic-assisted radical prostatectomy. EUR UROL SUPPL 2020. [DOI: 10.1016/s2666-1683(20)35573-7] [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: 11/24/2022] Open
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21
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Cindolo L, De Nunzio C, Lombardo R, Bertolo R, Bove P, Minervini A, Sessa F, Muto G, Vittori M, Bozzini G, Castellan P, Mugavero F, Falsaperla M, Schips L, Celia A, Bada M, Porreca A, Pastore A, Al Salhi Y, Giampaoli M, Novella G, Rizzetto R, Trabacchin N, Mantica G, Antonelli A, Pini G, Remmers S, Tubaro A. Rotterdam mobile phone appincluding MRI data for the prediction of prostate cancer: A multicenter external validation. EUR UROL SUPPL 2020. [DOI: 10.1016/s2666-1683(20)35354-4] [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: 10/23/2022] Open
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22
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Vittori M, Gantar I. The origin of microscopic spheres on the exoskeleton of the woodlouse Porcellionides pruinosus (Crustacea: Isopoda) and their effect on its hydrophobicity. Arthropod Struct Dev 2020; 58:100968. [PMID: 32640409 DOI: 10.1016/j.asd.2020.100968] [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] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 06/09/2020] [Accepted: 06/11/2020] [Indexed: 06/11/2023]
Abstract
The dorsal surface of the woodlouse Porcellionides pruinosus is covered with minute spheres, providing its characteristic powdered appearance. Little has been known about their composition and formation. A previously suggested function of these structures was to increase the hydrophobicity of the cuticular surface. We studied the ultrastructure, composition and formation of the spheres as well as tested whether they affect the hydrophobicity of the cuticle. We determined the composition of the spheres with histochemistry and scanning electron microscopy after applying various chemicals. We studied the process of their formation with transmission electron microscopy and assessed the hydrophobicity of the cuticle by measuring contact angles of water droplets with its surface. Our results show that the spheres are largely organic. They contain proteins and glycoproteins or possibly polysaccharides without detectable amounts of lipids. By studying the formation of the spheres we established that they are epicuticular structures. They are deposited early in the premolt stage of the molt cycle around branching extensions of epidermal cells. The sphere-covered cuticle of P. pruinosus is more hydrophobic than the cuticle with experimentally removed spheres as well as the scale-covered cuticle in a related species.
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Affiliation(s)
- Miloš Vittori
- Department of Biology, Biotechnical Faculty, University of Ljubljana, Večna Pot 111, SI-1000, Ljubljana, Slovenia.
| | - Ivana Gantar
- Department of Biology, Biotechnical Faculty, University of Ljubljana, Večna Pot 111, SI-1000, Ljubljana, Slovenia
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23
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Hira VVV, Breznik B, Vittori M, Loncq de Jong A, Mlakar J, Oostra RJ, Khurshed M, Molenaar RJ, Lah T, Van Noorden CJF. Similarities Between Stem Cell Niches in Glioblastoma and Bone Marrow: Rays of Hope for Novel Treatment Strategies. J Histochem Cytochem 2019; 68:33-57. [PMID: 31566074 DOI: 10.1369/0022155419878416] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Glioblastoma is the most aggressive primary brain tumor. Slowly dividing and therapy-resistant glioblastoma stem cells (GSCs) reside in protective peri-arteriolar niches and are held responsible for glioblastoma recurrence. Recently, we showed similarities between GSC niches and hematopoietic stem cell (HSC) niches in bone marrow. Acute myeloid leukemia (AML) cells hijack HSC niches and are transformed into therapy-resistant leukemic stem cells (LSCs). Current clinical trials are focussed on removal of LSCs out of HSC niches to differentiate and to become sensitized to chemotherapy. In the present study, we elaborated further on these similarities by immunohistochemical analyses of 17 biomarkers in paraffin sections of human glioblastoma and human bone marrow. We found all 17 biomarkers to be expressed both in hypoxic peri-arteriolar HSC niches in bone marrow and hypoxic peri-arteriolar GSC niches in glioblastoma. Our findings implicate that GSC niches are being formed in glioblastoma as a copy of HSC niches in bone marrow. These similarities between HSC niches and GSC niches provide a theoretic basis for the development of novel strategies to force GSCs out of their niches, in a similar manner as in AML, to induce GSC differentiation and proliferation to render them more sensitive to anti-glioblastoma therapies.
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Affiliation(s)
- Vashendriya V V Hira
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia.,Department of Medical Biology, Cancer Center Amsterdam, Amsterdam UMC at the Academic Medical Center, Amsterdam, The Netherlands
| | - Barbara Breznik
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia
| | - Miloš Vittori
- Department of Biology, Biotechnical Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Annique Loncq de Jong
- Department of Medical Biology, Cancer Center Amsterdam, Amsterdam UMC at the Academic Medical Center, Amsterdam, The Netherlands
| | - Jernej Mlakar
- Institute of Pathology, Medical Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Roelof-Jan Oostra
- Department of Medical Biology, Section Clinical Anatomy and Embryology, Amsterdam UMC at the Academic Medical Center, Amsterdam, The Netherlands
| | - Mohammed Khurshed
- Department of Medical Biology, Cancer Center Amsterdam, Amsterdam UMC at the Academic Medical Center, Amsterdam, The Netherlands.,Department of Medical Oncology, Cancer Center Amsterdam, Amsterdam UMC at the Academic Medical Center, Amsterdam, The Netherlands
| | - Remco J Molenaar
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia.,Department of Medical Biology, Cancer Center Amsterdam, Amsterdam UMC at the Academic Medical Center, Amsterdam, The Netherlands.,Department of Medical Oncology, Cancer Center Amsterdam, Amsterdam UMC at the Academic Medical Center, Amsterdam, The Netherlands
| | - Tamara Lah
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia
| | - Cornelis J F Van Noorden
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia.,Department of Medical Biology, Cancer Center Amsterdam, Amsterdam UMC at the Academic Medical Center, Amsterdam, The Netherlands
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24
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Vittori M, Srot V, Bussmann B, Predel F, van Aken PA, Štrus J. Structural optimization and amorphous calcium phosphate mineralization in sensory setae of a terrestrial crustacean (Isopoda: Oniscidea). Micron 2018; 112:26-34. [DOI: 10.1016/j.micron.2018.06.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2018] [Revised: 06/08/2018] [Accepted: 06/08/2018] [Indexed: 11/27/2022]
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25
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Menichella G, Pierelli L, Vittori M, Serafini R, Foddai M, Rossi P, Leone G, Sica S, Scambia G, Panici PB, Bizzi B. Five-year Experience in PBSC Collection: Results of the Catholic University of Rome. Int J Artif Organs 2018. [DOI: 10.1177/039139889301605s08] [Citation(s) in RCA: 4] [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] [Indexed: 11/16/2022]
Abstract
Several authors have reported a faster immunological and hemopoietic post- transplant reconstitution using autologous peripheral blood stem cell (PBSC) than using autologous bone marrow stem cells. A large number of PBSC can be collected by leukapheresis during the hematological recovery after induction or salvage chemotherapy. In our experience we demonstrated that several separators, even if they have different results in mononuclear cell (MNC) yields, red blood cell and platelet contaminations, are able to collect PBSC for autotransplantation in patients with several malignant diseases and different status of disease. Eighty three patients were submitted to 590 leukapheresis procedures using 4 different blood cell separators: the results showed that all employed protocols are efficient in the collection of peripheral MNC even if after the widespread use of granulocytecolony stimulating factor (G-CSF) in the harvesting phase, the blood cell separator efficiency in terms of MNC is reduced. The use of GCSF in combination with other growth factors, during chemotherapy mobilization could simplify, in the future, this therapeutical program even if improvements in the efficiency of PBSC collection protocols are required.
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Affiliation(s)
- G. Menichella
- Research Center for the Manipulation of Blood Components, “Sacro Cuore” Catholic University, Roma - Italy
| | - L. Pierelli
- Research Center for the Manipulation of Blood Components, “Sacro Cuore” Catholic University, Roma - Italy
| | - M. Vittori
- Research Center for the Manipulation of Blood Components, “Sacro Cuore” Catholic University, Roma - Italy
| | - R. Serafini
- Research Center for the Manipulation of Blood Components, “Sacro Cuore” Catholic University, Roma - Italy
| | - M.L. Foddai
- Department of Hematology, “Sacro Cuore” Catholic University, Roma - Italy
| | - P.L. Rossi
- Research Center for the Manipulation of Blood Components, “Sacro Cuore” Catholic University, Roma - Italy
| | - G. Leone
- Department of Hematology, “Sacro Cuore” Catholic University, Roma - Italy
| | - S. Sica
- Department of Hematology, “Sacro Cuore” Catholic University, Roma - Italy
| | - G. Scambia
- Department of Ostetricia and Gynecology, “Sacro Cuore” Catholic University, Roma - Italy
| | - P.L. Benedetti Panici
- Department of Ostetricia and Gynecology, “Sacro Cuore” Catholic University, Roma - Italy
| | - B. Bizzi
- Department of Hematology, “Sacro Cuore” Catholic University, Roma - Italy
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26
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Breznik B, Motaln H, Vittori M, Rotter A, Lah Turnšek T. Mesenchymal stem cells differentially affect the invasion of distinct glioblastoma cell lines. Oncotarget 2018; 8:25482-25499. [PMID: 28424417 PMCID: PMC5421945 DOI: 10.18632/oncotarget.16041] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [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: 11/25/2016] [Accepted: 02/07/2017] [Indexed: 12/27/2022] Open
Abstract
Glioblastoma multiforme are an aggressive form of brain tumors that are characterized by distinct invasion of single glioblastoma cells, which infiltrate the brain parenchyma. This appears to be stimulated by the communication between cancer and stromal cells. Mesenchymal stem cells (MSCs) are part of the glioblastoma microenvironment, and their ‘cross-talk’ with glioblastoma cells is still poorly understood. Here, we examined the effects of bone marrow-derived MSCs on two different established glioblastoma cell lines U87 and U373. We focused on mutual effects of direct MSC/glioblastoma contact on cellular invasion in three-dimensional invasion assays in vitro and in a zebrafish embryo model in vivo. This is the first demonstration of glioblastoma cell-type-specific responses to MSCs in direct glioblastoma co-cultures, where MSCs inhibited the invasion of U87 cells and enhanced the invasion of U373. Inversely, direct cross-talk between MSCs and both of glioblastoma cell lines enhanced MSC motility. MSC-enhanced invasion of U373 cells was assisted by overexpression of proteases cathepsin B, calpain1, uPA/uPAR, MMP-2, -9 and -14, and increased activities of some of these proteases, as determined by the effects of their selective inhibitors on invasion. In contrast, these proteases had no effect on U87 cell invasion under MSC co-culturing. Finally, we identified differentially expressed genes, in U87 and U373 cells that could explain different response of these cell lines to MSCs. In conclusion, we demonstrated that MSC/glioblastoma cross-talk is different in the two glioblastoma cell phenotypes, which contributes to tumor heterogeneity.
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Affiliation(s)
- Barbara Breznik
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, 1000 Ljubljana, Slovenia.,International Postgraduate School Jozef Stefan, 1000 Ljubljana, Slovenia
| | - Helena Motaln
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, 1000 Ljubljana, Slovenia
| | - Miloš Vittori
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, 1000 Ljubljana, Slovenia
| | - Ana Rotter
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, 1000 Ljubljana, Slovenia
| | - Tamara Lah Turnšek
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, 1000 Ljubljana, Slovenia.,International Postgraduate School Jozef Stefan, 1000 Ljubljana, Slovenia.,Department of Biochemistry, Faculty of Chemistry and Chemical Engineering, University of Ljubljana, 1000 Ljubljana, Slovenia
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27
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Menichella G, Lai M, Serafini R, Pierelli L, Vittori M, Ciarli M, Rumi C, Puggioni P, Scambia G, Sica S, Leone G. Large Volume Leukapheresis for Collecting Hemopoietic Progenitors: Role of CD 34+ Precount in Predicting Successful Collection. Int J Artif Organs 2018. [DOI: 10.1177/039139889902200508] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
In this work we evaluated the efficacy of stem cell collection with Large Volume Procedures. (LVP), and analysed the importance of the CD34+ cell precount in promoting the collection of a sufficient number of CD34+ cells for transplantation, using the Univariate Logistic Regression analysis. Eighty-nine leukapheresis were performed in 49 patients with hematological malignancies and solid tumors, mobilized with chemotherapy plus Granulocyte Colony Stimulating Factor (G-CSF). For each procedure 15.8 liters of blood were processed. The median value of Nucleated Cells (NC) and CD34+ cells precount was respectively 8.29 × 109/ml (range 1.13÷45.4) and 43.08 × 103/ml (range 1.06÷795.2). Results show the capability of LVP to collect large quantities of hemopoietic progenitors with a median CD34+ cell total yield of 215.02 × 106 (range 5.03÷2210). The yields per patients’ body weight were: CD34+ cells 3.23 × 106/kg (range 0.081÷41.58). The regression analysis between blood cell precounts and collection yields gave the following correlations: the CD34+ cell precount correlates with CD34+ yield (r = 0.78 p < 0.00) and with CD34+ cell yield/kg (r = 0.76 p < 0.00). The number of CD34+ cells processed correlated with the number of CD34+ cells collected/kg (r = 0.83 p < 0.000). To investigate the importance of CD 34+ cell precount in promoting CD34+ cell yields ≥2.5 × 106/kg we performed a Univariate Logistic Regression analysis that showed in our patients a probability of collecting ≥2.5 × 106 CD34+/kg that rose from 0.6 to 0.95 for CD 34+ precounts that oscillated from 30 to 40 × 103 CD34+ cells/ml, respectively. The Univariate Logistic Regression gave a probability of collecting ≥2.5 × 106 CD34+ cells/kg that oscillated between 0.64÷0.98 for values of CD34+ cells processed from 6 × 106/kg to 8 × 106/kg, p <0.000. Sixty-three percent of patients reached the target dose of 2.5 × 106 CD34+ cells/kg with only one LVP. Until now 12 patients have been transplanted and all have had a prompt and complete lasting recovery. These results confirm the efficacy of LVP in harvesting hemopoietic progenitors and their ability in reconstituting hemopoiesis of transplanted patients, enabling the estimation of CD34+ precounts and CD34+ cells processed values, highly predictive for the collection of ≥2.5 × 106 CD34+ cells/kg. Furthermore, the Logistic Model suggests that the best strategy to plan a successful CD34+ cell collection procedure is to identify for each patient the amount of CD34+ cells/kg to be processed rather than the fixed processing of 3÷5 blood volumes in all patients.
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Affiliation(s)
| | - M. Lai
- Hematology, Catholic University, Roma - Italy
| | - R. Serafini
- Hematology, Catholic University, Roma - Italy
| | - L. Pierelli
- Hematology, Catholic University, Roma - Italy
| | - M. Vittori
- Hematology, Catholic University, Roma - Italy
| | - M. Ciarli
- Hematology, Catholic University, Roma - Italy
| | - C. Rumi
- Hematology, Catholic University, Roma - Italy
| | - P. Puggioni
- Hematology, Catholic University, Roma - Italy
| | - G. Scambia
- Obstetrics and Gynecology Institute, Catholic University, Roma - Italy
| | - S. Sica
- Hematology, Catholic University, Roma - Italy
| | - G. Leone
- Hematology, Catholic University, Roma - Italy
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28
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Vittori M, Khurshed M, Picavet DI, van Noorden CJF, Štrus J. Development of calcium bodies in Hylonsicus riparius (Crustacea: Isopoda). Arthropod Struct Dev 2018; 47:199-213. [PMID: 29421154 DOI: 10.1016/j.asd.2018.02.002] [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] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Revised: 01/31/2018] [Accepted: 02/02/2018] [Indexed: 06/08/2023]
Abstract
Calcium bodies are internal epithelial sacs found in terrestrial isopods of the family Trichoniscidae that contain a mineralized extracellular matrix that is deposited and resorbed in relation to the molt cycle. Calcium bodies in several trichoniscids are filled with bacteria, the function of which is currently unknown. The woodlouse Hyloniscus riparius differs from other trichoniscids in that it possesses two different pairs of calcium bodies, the posterior pair being filled with bacteria and the anterior pair being devoid of bacteria. We explored the development of these organs and bacterial colonization of their lumen during the postmarsupial development with the use of optical clearing and whole-body confocal imaging of larval and juvenile stages. Our results show that calcium bodies are formed as invaginations of the epidermis in the region of intersegmental membranes during the postmarsupial development. The anterior pair of calcium bodies is generated during the first postmarsupial manca stage, whereas the posterior calcium bodies first appear in juveniles and are immediately colonized by bacteria, likely through a connection between the calcium body lumen and the body surface. Mineral is deposited in calcium bodies as soon as they are present.
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Affiliation(s)
- Miloš Vittori
- Department of Biology, Biotechnical Faculty, University of Ljubljana, Večna Pot 111, SI-1000, Ljubljana, Slovenia.
| | - Mohammed Khurshed
- Cancer Center Amsterdam, Department of Medical Biology at the Academic Medical Center, 1105, AZ Amsterdam, The Netherlands.
| | - Daisy I Picavet
- Core Facility Cellular Imaging, Department of Medical Biology at the Academic Medical Center, 1105, AZ Amsterdam, The Netherlands.
| | - Cornelis J F van Noorden
- Cancer Center Amsterdam, Department of Medical Biology at the Academic Medical Center, 1105, AZ Amsterdam, The Netherlands.
| | - Jasna Štrus
- Department of Biology, Biotechnical Faculty, University of Ljubljana, Večna Pot 111, SI-1000, Ljubljana, Slovenia.
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29
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Kostanjšek R, Vittori M, Srot V, van Aken PA, Štrus J. Polyphosphate-accumulating bacterial community colonizing the calcium bodies of terrestrial isopod crustaceans Titanethes albus and Hyloniscus riparius. FEMS Microbiol Ecol 2017; 93:3753549. [PMID: 28449118 DOI: 10.1093/femsec/fix053] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [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: 12/25/2016] [Accepted: 04/17/2017] [Indexed: 11/13/2022] Open
Abstract
Terrestrial isopods from the group Trichoniscidae accumulate calcium in specialized organs, known as the calcium bodies. These consist of two pairs of epithelial sacs located alongside the digestive system. These organs contain various forms of calcium and constantly present bacteria. To elucidate their origin and role, we analyzed the bacteria of the calcium bodies in the cave-dwelling isopod Titanethes albus and the epigean species Hyloniscus riparius, by microscopy, histochemistry, energy dispersive X-ray spectrometry, 16S rRNA analysis and in situ hybridization. The calcium bodies of both species comprise numerous and diverse bacterial communities consisting of known soil bacteria. Despite their diversity, these bacteria share the polyphosphate-accumulation ability. We present the model of phosphorous dynamics in the calcium bodies during the molting cycle and potentially beneficial utilization of the symbiotic phosphate by the host in cyclic regeneration of the cuticle. Although not fully understood, this unique symbiosis represents the first evidence of polyphosphate-accumulating bacterial symbionts in the tissue of a terrestrial animal.
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Affiliation(s)
- Rok Kostanjšek
- Department of Biology, Biotechnical Faculty, University of Ljubljana, Jamnikarjeva 101, SI-1000 Ljubljana, Slovenia
| | - Miloš Vittori
- Department of Biology, Biotechnical Faculty, University of Ljubljana, Jamnikarjeva 101, SI-1000 Ljubljana, Slovenia
| | - Vesna Srot
- Stuttgart Center for Electron Microscopy, Max Planck Institute for Solid State Research, Heisenbergstrasse 3, 70569 Stuttgart, Germany
| | - Peter A van Aken
- Stuttgart Center for Electron Microscopy, Max Planck Institute for Solid State Research, Heisenbergstrasse 3, 70569 Stuttgart, Germany
| | - Jasna Štrus
- Department of Biology, Biotechnical Faculty, University of Ljubljana, Jamnikarjeva 101, SI-1000 Ljubljana, Slovenia
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30
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Vittori M, Tušek-Žnidarič M, Štrus J. Exoskeletal cuticle of cavernicolous and epigean terrestrial isopods: A review and perspectives. Arthropod Struct Dev 2017; 46:96-107. [PMID: 27502824 DOI: 10.1016/j.asd.2016.08.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2016] [Revised: 07/18/2016] [Accepted: 08/01/2016] [Indexed: 06/06/2023]
Abstract
Comparative ultrastructural studies of the integument in terrestrial isopod crustaceans show that specific environmental adaptations of different eco-morphotypes are reflected in cuticle structure. The biphasic molting in isopods is a valuable experimental model for studies of cuticular matrix secretion and degradation in the same animal. The aim of this review is to show structural and functional adaptations of the tergal cuticle in terrestrial isopods inhabiting cave habitats. Exoskeletal cuticle thickness, the number of cuticular layers, epicuticle structure, mineralization, pigmentation and complexity of sensory structures are compared, with greater focus on the well-studied cave trichoniscid Titanethes albus. A large number of thinner cuticular layers in cave isopods compared to fewer thicker cuticular layers in related epigean species of similar body-sizes is explained as a specific adaptation to the cavernicolous life style. The epicuticle structure and composition are compared in relation to their potential waterproofing capacity in different environments. Cuticle mineralization is described from the functional point of view as well as from the aspect of different calcium storage sites and calcium dynamics during the molt cycle. We also discuss the nature and reduction of pigmentation in the cave environment and outline perspectives for future research.
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Affiliation(s)
- Miloš Vittori
- University of Ljubljana, Biotechnical Faculty, Department of Biology, Večna pot 111, SI-1000 Ljubljana, Slovenia.
| | - Magda Tušek-Žnidarič
- University of Ljubljana, Biotechnical Faculty, Department of Biology, Večna pot 111, SI-1000 Ljubljana, Slovenia; National Institute of Biology, Večna pot 111, SI-1000 Ljubljana, Slovenia
| | - Jasna Štrus
- University of Ljubljana, Biotechnical Faculty, Department of Biology, Večna pot 111, SI-1000 Ljubljana, Slovenia
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Podergajs N, Motaln H, Rajčević U, Verbovšek U, Koršič M, Obad N, Espedal H, Vittori M, Herold-Mende C, Miletic H, Bjerkvig R, Turnšek TL. Transmembrane protein CD9 is glioblastoma biomarker, relevant for maintenance of glioblastoma stem cells. Oncotarget 2016; 7:593-609. [PMID: 26573230 PMCID: PMC4808020 DOI: 10.18632/oncotarget.5477] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2015] [Accepted: 10/31/2015] [Indexed: 12/20/2022] Open
Abstract
The cancer stem cell model suggests that glioblastomas contain a subpopulation of stem-like tumor cells that reproduce themselves to sustain tumor growth. Targeting these cells thus represents a novel treatment strategy and therefore more specific markers that characterize glioblastoma stem cells need to be identified. In the present study, we performed transcriptomic analysis of glioblastoma tissues compared to normal brain tissues revealing sensible up-regulation of CD9 gene. CD9 encodes the transmembrane protein tetraspanin which is involved in tumor cell invasion, apoptosis and resistance to chemotherapy. Using the public REMBRANDT database for brain tumors, we confirmed the prognostic value of CD9, whereby a more than two fold up-regulation correlates with shorter patient survival. We validated CD9 gene and protein expression showing selective up-regulation in glioblastoma stem cells isolated from primary biopsies and in primary organotypic glioblastoma spheroids as well as in U87-MG and U373 glioblastoma cell lines. In contrast, no or low CD9 gene expression was observed in normal human astrocytes, normal brain tissue and neural stem cells. CD9 silencing in three CD133+ glioblastoma cell lines (NCH644, NCH421k and NCH660h) led to decreased cell proliferation, survival, invasion, and self-renewal ability, and altered expression of the stem-cell markers CD133, nestin and SOX2. Moreover, CD9-silenced glioblastoma stem cells showed altered activation patterns of the Akt, MapK and Stat3 signaling transducers. Orthotopic xenotransplantation of CD9-silenced glioblastoma stem cells into nude rats promoted prolonged survival. Therefore, CD9 should be further evaluated as a target for glioblastoma treatment.
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Affiliation(s)
- Neža Podergajs
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, 1000 Ljubljana, Slovenia
| | - Helena Motaln
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, 1000 Ljubljana, Slovenia
| | - Uroš Rajčević
- Department of Biochemistry, Blood Transfusion Centre of Slovenia, 1000 Ljubljana, Slovenia
| | - Urška Verbovšek
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, 1000 Ljubljana, Slovenia
| | - Marjan Koršič
- Department of Neurosurgery, University Medical Centre, University of Ljubljana, 1000 Ljubljana, Slovenia
| | - Nina Obad
- Department of Biomedicine, University of Bergen, 5009 Bergen, Norway
| | - Heidi Espedal
- Department of Biomedicine, University of Bergen, 5009 Bergen, Norway
| | - Miloš Vittori
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, 1000 Ljubljana, Slovenia
| | - Christel Herold-Mende
- Division of Neurosurgical Research, Department of Neurosurgery, University of Heidelberg, 69120 Heidelberg, Germany
| | - Hrvoje Miletic
- Department of Biomedicine, University of Bergen, 5009 Bergen, Norway
| | - Rolf Bjerkvig
- Department of Biomedicine, University of Bergen, 5009 Bergen, Norway.,NorLux Neuro-Oncology Laboratory, Centre de Recherche Public de la Santé, 1526 Luxembourg, Luxembourg
| | - Tamara Lah Turnšek
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, 1000 Ljubljana, Slovenia.,Department of Biochemistry, Faculty of Chemistry and Chemical Engineering, University of Ljubljana, 1000 Ljubljana, Slovenia
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Vittori M, Srot V, Žagar K, Bussmann B, van Aken PA, Čeh M, Štrus J. Axially aligned organic fibers and amorphous calcium phosphate form the claws of a terrestrial isopod (Crustacea). J Struct Biol 2016; 195:227-237. [DOI: 10.1016/j.jsb.2016.06.008] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2016] [Revised: 06/03/2016] [Accepted: 06/14/2016] [Indexed: 10/21/2022]
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Vittori M, Motaln H, Turnšek TL. The study of glioma by xenotransplantation in zebrafish early life stages. J Histochem Cytochem 2015; 63:749-61. [PMID: 26109632 DOI: 10.1369/0022155415595670] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [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: 04/28/2015] [Accepted: 06/19/2015] [Indexed: 12/31/2022] Open
Abstract
Zebrafish (Danio rerio) and their transparent embryos are becoming an increasingly popular tool for studying processes involved in tumor progression and in the search for novel tumor treatment approaches. The xenotransplantation of fluorescently labeled mammalian cancer cells into zebrafish embryos is an approach enabling relatively high-throughput in vivo analyses. The small size of the embryos as well as the relative simplicity of their manipulation and maintenance allow for large numbers of embryos to be processed efficiently in a short time and at low cost. Furthermore, the possibility of fluorescence microscopic imaging of tumor progression within zebrafish embryos and larvae holds unprecedented potential for the real-time visualization of these processes in vivo. This review presents the methodologies of xenotransplantation studies on zebrafish involving research on tumor invasion, proliferation, tumor-induced angiogenesis and screening for antitumor therapeutics. We further focus on the application of these zebrafish to the study of glioma; in particular, its most common and malignant form, glioblastoma.
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Affiliation(s)
- Miloš Vittori
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia (MV, HM, TLT)
| | - Helena Motaln
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia (MV, HM, TLT)
| | - Tamara Lah Turnšek
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia (MV, HM, TLT)
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Vittori M, Rozman A, Grdadolnik J, Novak U, Štrus J. Mineral deposition in bacteria-filled and bacteria-free calcium bodies in the crustacean Hyloniscus riparius (Isopoda: Oniscidea). PLoS One 2013; 8:e58968. [PMID: 23554963 PMCID: PMC3595210 DOI: 10.1371/journal.pone.0058968] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [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: 12/12/2012] [Accepted: 02/08/2013] [Indexed: 11/18/2022] Open
Abstract
Crustacean calcium bodies are epithelial sacs which contain a mineralized matrix. The objectives of this study were to describe the microscopic anatomy of calcium bodies in the terrestrial isopod Hyloniscus riparius and to establish whether they undergo molt-related structural changes. We performed 3D reconstruction of the calcium bodies from paraffin sections and analyzed their structure with light and electron microscopy. In addition, we analyzed the chemical composition of their mineralized matrices with micro-Raman spectroscopy. Two pairs of these organs are present in H. riparius. One pair is filled with bacteria while the other pair is not. In non-molting animals, the bacteria-filled calcium bodies contain apatite crystals and the bacteria-free calcium bodies enclose CaCO3-containing concretions with little organic matrix. During preparation for molt, an additional matrix layer is deposited in both pairs of calcium bodies. In the bacteria-filled calcium bodies it contains a mixture of calcium carbonate and calcium phosphate, whereas only calcium carbonate is present in bacteria-free calcium bodies. After ecdysis, all mineral components in bacteria-free calcium bodies and the additional matrix layer in bacteria-filled calcium bodies are completely resorbed. During calcium resorption, the apical surface of the calcium body epithelium is deeply folded and electron dense granules are present in spaces between epithelial cells. Our results indicate that the presence of bacteria might be linked to calcium phosphate mineralization. Calcium bodies likely provide a source of calcium and potentially phosphate for the mineralization of the new cuticle after molt. Unlike other terrestrial isopods, H. riparius does not form sternal CaCO3 deposits and the bacteria-free calcium bodies might functionally replace them in this species.
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Affiliation(s)
- Miloš Vittori
- Department of Biology, Biotechnical Faculty, University of Ljubljana, Ljubljana, Slovenia.
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Vittori M, Kostanjšek R, Znidaršič N, Zagar K, Ceh M, Strus J. Calcium bodies of Titanethes albus (Crustacea: Isopoda): molt-related structural dynamics and calcified matrix-associated bacteria. J Struct Biol 2012; 180:216-25. [PMID: 22651964 DOI: 10.1016/j.jsb.2012.05.014] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2012] [Revised: 05/18/2012] [Accepted: 05/20/2012] [Indexed: 11/25/2022]
Abstract
Crustaceans form a variety of calcium deposits in which they store calcium necessary for the mineralization of their exoskeletons. Calcium bodies, organs containing large amounts of calcium, have been reported in some terrestrial isopod crustaceans, but have not yet been extensively studied. We analyzed the architecture of these organs during the molt cycle in the isopod Titanethes albus. Two pairs of calcium bodies are positioned ventrolaterally in posterior pereonites of T. albus. Individual organs are epithelial sacs that contain material arranged in concentric layers delimited by thin laminae. As demonstrated by electron microscopy and fluorescence in situ hybridization, abundant bacteria are present within the calcium bodies. Regardless of the molt cycle stage, crystalline concretions are present in the central areas of the calcium bodies. Energy dispersive X-ray spectrometry of the concretions demonstrated that they are composed predominantly of calcium and phosphorus and selected area electron diffraction indicated the presence of hydroxyapatite. In molting animals, a glassy layer of mineralized matrix is formed between the envelope and the outermost lamina of the calcium body. This layer consists of an amorphous calcium mineral which contains less phosphorus than the central concretions and is resorbed after molt. Since changes in the mineralized matrix are synchronized with the molt cycle, the calcium bodies likely function as a storage compartment that complements sternal deposits as a source of calcium for the mineralization of the exoskeleton. Bacteria associated with the mineralized matrix of calcium bodies are evidently involved in calcium dynamics.
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Affiliation(s)
- Miloš Vittori
- University of Ljubljana, Biotechnical Faculty, Department of Biology, Večna pot 111, SI-1000 Ljubljana, Slovenia.
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Vittori M, Kostanjšek R, Znidaršič N, Strus J. Molting and cuticle deposition in the subterranean trichoniscid Titanethes albus (Crustacea, Isopoda). Zookeys 2012:23-38. [PMID: 22536097 PMCID: PMC3335403 DOI: 10.3897/zookeys.176.2285] [Citation(s) in RCA: 17] [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: 10/27/2011] [Accepted: 12/30/2011] [Indexed: 11/17/2022] Open
Abstract
Terrestrial isopods are a suitable group for the study of cuticle synthesis and calcium dynamics because they molt frequently and have evolved means to store calcium during molt. Little data is currently available on molting in Synocheta and subterranean isopods. We studied the molting dynamics in the subterranean trichoniscid Titanethes albus under laboratory conditions and performed a microscopic investigation of sternal CaCO3 deposits and the tergal epithelium during molt in this species. In accordance with its lower metabolic rate, molting in the laboratory is roughly 2–3 times less frequent in Titanethes albus than would be expected for an epigean isopod under similar conditions. Animals assumed characteristic postures following the molt of each body half and did not consume the posterior exuviae after posterior molt. The structure of sternal calcium deposits and the ultrastructural characteristics of the epidermis during cuticle formation in Titanethes albus are similar to those described in representatives of Ligiidae. During the deposition of the exocuticle, the apical plasma membrane of epidermal cells forms finger-like extensions and numerous invaginations. In the ecdysial space of individuals in late premolt we observed cellular extensions surrounded by bundles of tubules.
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Affiliation(s)
- Miloš Vittori
- Department of Biology, Biotechnical faculty, University of Ljubljana, Večna pot 111, SI 1000 Ljubljana, Slovenia
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Vittori M, Znidaršič N, Kostanjšek R, Strus J. Microscopic anatomy of male tegumental glands and associated cuticular structures in Titanethes albus (Crustacea: Isopoda). Arthropod Struct Dev 2012; 41:133-144. [PMID: 22075129 DOI: 10.1016/j.asd.2011.08.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2011] [Revised: 08/01/2011] [Accepted: 08/18/2011] [Indexed: 05/31/2023]
Abstract
Male glandular organs characterized by porous surfaces with hair-like cuticular elaborations are known from several trichoniscid isopods. In the subterranean species Titanethes albus, males possess paired tubercles with numerous hairs and pores dorsally on the pleon. We analyzed the microscopic anatomy of these structures with scanning and transmission electron microscopy. Diverse epicuticular formations and numerous sensilla, which are probably chemoreceptive, are present on the tubercles. We found several secretory surfaces on the pleon in addition to the dorsal tubercles. We also examined the distribution, architecture and ultrastructure of male-specific glands in T. albus with light and transmission electron microscopy. Three distinct types of male-specific rosette glands are present in different parts of the pleon and in the uropods. Glands secreting on the dorsal tubercles contain stellar central cells. The ultrastructure and histochemical staining properties of male-specific glands in T. albus suggest that they produce peptides which might function as contact pheromones.
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Affiliation(s)
- Miloš Vittori
- Department of Biology, University of Ljubljana, Ljubljana, Slovenia.
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Menichella G, Lai M, Pierelli L, Serafini R, Vittori M, Ciarli M, Foddai ML, Puglia G, Mitschulat H, Scambia G, Leone G, Bizzi B. Evaluation of a new protocol for peripheral blood stem cell collection with the Fresenius AS 104 cell separator. J Clin Apher 2000; 12:82-6. [PMID: 9263115 DOI: 10.1002/(sici)1098-1101(1997)12:2<82::aid-jca5>3.0.co;2-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
In this report we analyzed sixty leukapheresis procedures on 35 patients with a new protocol for the Fresenius AS 104. Yields and efficiencies for MNC, CD 34+ cells, and CFU-GM indicate that the new protocol is able to collect large quantities of hemopoietic progenitors. Procedures were performed processing 8.69 +/- 2.8 liters of whole blood per apheresis and modifying 3 parameters: spillover-volume 7 ml, buffy-coat volume 11.5 ml, centrifuge speed 1,500 rpm; blood flow rate was 50 ml/min and the anticoagulant ratio was 1:12. No side effects were observed during apheresis procedures except for transient paresthesia episodes promptly resolved with the administration of calcium gluconate. Yields show a high capacity of the new program to collect on average MNC 17.28 +/- 10.85 x 10(9), CD 34+ 471 +/- 553.5 x 10(6) and CFU-GM 1278.7 +/- 1346.3 x 10(4) per procedure. Separator collection efficiency on average was 49.91 +/- 23.28% for MNC, 55.1 +/- 35.66% for CFU-GM, and 62.97 +/- 23.09% for CD 34+ cells. Particularly interesting are results for MNC yields and CD 34+ efficiency; these results make the new program advantageous or similar to the most progressive blood cell separators and capable to collect a sufficient number of progenitor cells for a graft with a mean of 1.80 +/- 0.98 procedures per patient.
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Affiliation(s)
- G Menichella
- Centro Ricerche per la Manipolazione dei Costituenti Ematici, Rome, Italy
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Menichella G, Lai M, Serafini R, Pierelli L, Vittori M, Ciarli M, Rumi C, Puggioni P, Scambia G, Sica S, Leone G. Large volume leukapheresis for collecting hemopoietic progenitors: role of CD 34+ precount in predicting successful collection. Int J Artif Organs 1999; 22:334-41. [PMID: 10467933] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/13/2023]
Abstract
In this work we evaluated the efficacy of stem cell collection with Large Volume Procedures. (LVP), and analysed the importance of the CD34+ cell precount in promoting the collection of a sufficient number of CD34+ cells for transplantation, using the Univariate Logistic Regression analysis. Eighty-nine leukapheresis were performed in 49 patients with hematological malignancies and solid tumors, mobilized with chemotherapy plus Granulocyte Colony Stimulating Factor (G-CSF). For each procedure 15.8 liters of blood were processed. The median value of Nucleated Cells (NC) and CD34+ cells precount was respectively 8.29 x 10(9)/ml (range 1.13/45.4) and 43.08 x 103/ml (range 1.06/795.2). Results show the capability of LVP to collect large quantities of hemopoietic progenitors with a median CD34+ cell total yield of 215.02 x 10(6) (range 5.03/2210). The yields per patients' body weight were: CD34+ cells 3.23 x 10(6)/kg (range 0.081/41.58). The regression analysis between blood cell precounts and collection yields gave the following correlations: the CD34+ cell precount correlates with CD34+ yield (r = 0.78 p < 0.00) and with CD34+ cell yield/kg (r = 0.76 p < 0.00). The number of CD34+ cells processed correlated with the number of CD34+ cells collected/kg (r = 0.83 p < 0.000). To investigate the importance of CD 34+ cell precount in promoting CD34+ cell yields > or =2.5 x 10(6)/kg we performed a Univariate Logistic Regression analysis that showed in our patients a probability of collecting > or =2.5 x 10(6) CD34+/kg that rose from 0.6 to 0.95 for CD 34+ precounts that oscillated from 30 to 40 x 10(3) CD34+ cells/ml, respectively. The Univariate Logistic Regression gave a probability of collecting > or =2.5 x 10(6) CD34+ cells/kg that oscillated between 0.64/0.98 for values of CD34+ cells processed from 6 x 10(6)/kg to 8 x 10(6)/kg, p < 0.000. Sixty-three percent of patients reached the target dose of 2.5 x 10(6) CD34+ cells/kg with only one LVP. Until now 12 patients have been transplanted and all have had a prompt and complete lasting recovery. These results confirm the efficacy of LVP in harvesting hemopoietic progenitors and their ability in reconstituting hemopoiesis of transplanted patients, enabling the estimation of CD34+ precounts and CD34+ cells processed values, highly predictive for the collection of > or =2.5 x 10(6) CD34+ cells/kg. Furthermore, the Logistic Model suggests that the best strategy to plan a successful CD34+ cell collection procedure is to identify for each patient the amount of CD34+ cells/kg to be processed rather than the fixed processing of 3/5 blood volumes in all patients.
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Menichella G, Ciarli M, Serafini R, Pierelli L, Vittori M, Hortencio M, Rossi P, Fagiolo E, Leone G. Erythroplateletapheresis: A New Strategy in the Global Apheresis Program. Int J Artif Organs 1998. [DOI: 10.1177/039139889802106s03] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Blood donation allowed by cell separators can offer higher performance and higher yield to guarantee better quality and pureness of collected products. New systems for the collection of platelet concentrate (PC) and packed red blood cells (PRBC) are currently available. The aim of our work was to test the possibility of preparing PC routinely from normal apheresis donors in a minimum amount of time while providing a second product. Over a 3-month period we performed 40 procedures using the Hemonetics MCS3P blood cell separator and the Dideco Excel. The mean values of platelet yield were 2.8 x 1011 (range 1.4-4.1) with the MCS3P and 3.49 x 1011 (range 2.9-3.9) with the Excel, in a plasma volume of 240 ml and 215 ml respectively; the PRBC units were added with SAG-Mannitol allowing a storage time of 42 days. Collection times were 71’ and 48’ respectively. Donor tolerance was analogous to phateletapheresis or plasmapheresis.
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Affiliation(s)
- G. Menichella
- Semeiotics Medicine Department, Chair of Haematology, Blood Component Manipulation Research Center Catholic University of Holy Heart, Roma - Italy
| | - M. Ciarli
- Semeiotics Medicine Department, Chair of Haematology, Blood Component Manipulation Research Center Catholic University of Holy Heart, Roma - Italy
| | - R. Serafini
- Semeiotics Medicine Department, Chair of Haematology, Blood Component Manipulation Research Center Catholic University of Holy Heart, Roma - Italy
| | - L. Pierelli
- Semeiotics Medicine Department, Chair of Haematology, Blood Component Manipulation Research Center Catholic University of Holy Heart, Roma - Italy
| | - M. Vittori
- Semeiotics Medicine Department, Chair of Haematology, Blood Component Manipulation Research Center Catholic University of Holy Heart, Roma - Italy
| | - M. Hortencio
- Semeiotics Medicine Department, Chair of Haematology, Blood Component Manipulation Research Center Catholic University of Holy Heart, Roma - Italy
| | - P.L. Rossi
- Semeiotics Medicine Department, Chair of Haematology, Blood Component Manipulation Research Center Catholic University of Holy Heart, Roma - Italy
| | - E. Fagiolo
- Semeiotics Medicine Department, Chair of Haematology, Blood Component Manipulation Research Center Catholic University of Holy Heart, Roma - Italy
| | - G. Leone
- Semeiotics Medicine Department, Chair of Haematology, Blood Component Manipulation Research Center Catholic University of Holy Heart, Roma - Italy
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Menichella G, Lai M, Pierelli L, Vittori M, Serafini R, Ciarli M, Foddai ML, Salerno G, Sica S, Scambia G, Leone G, Bizzi B. Evaluation of two different protocols for peripheral blood stem cell collection with the Fresenius AS 104 blood cell separator. Vox Sang 1998; 73:230-6. [PMID: 9407640 DOI: 10.1046/j.1423-0410.1997.7340230.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
OBJECTIVES Reconstitution of hematopoiesis by means of peripheral blood stem cells is a valid alternative to autologous bone marrow transplantation. The aim of this investigation was to increase the efficiency of collection of circulating blood progenitor cells and to obtain a purer product for transplant. METHODS We carried out leukapheresis procedures with the Fresenius AS 104 blood cell separator, using two different protocols, the previously used PBSC-LYM and a new mononuclear cell collection program. RESULTS Both programs were highly effective in collecting mononuclear cells (MNC) and CD34+ cells. Some differences were found, especially regarding MNC yield and efficiencies. There are remarkable differences in the efficiency of collection of CD34+ cells (62.38% with the new program as opposed to 31.69% with the older one). Linear regression analysis showed a negative correlation between blood volume processed and MNC efficiency only for the PBSC-LYM program. Differences were also observed in the degree of inverse correlation existing in both programs between patients' white blood cell precount and MNC collection efficiency. The inverse correlation was stronger for the PBSC-LYM program. Seven patients with solid tumors and hematologic malignancies received high dose chemotherapy and were subsequently transplanted with peripheral blood stem cells collected using the new protocol. All patients obtained a complete and stable engraftment with the reinfusion product collected with one or two leukapheresis procedures. CONCLUSIONS High efficiencies and yields were observed in the new protocol for MNC and CD34+ cells. These were able to effect rapid and complete bone marrow recovery after myeloablative chemotherapy.
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Affiliation(s)
- G Menichella
- Centro Ricerche per la Manipolazione dei Costituenti Ematici, Catholic University, Rome, Italy
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Taylor SA, Chivers ID, Price RG, Arce-Tomas M, Milligan P, Francini I, Alinovi R, Cavazzini S, Bergamaschi E, Vittori M, Mutti A, Lauwerys RR, Bernard AM, Roels HA, De Broe ME, Nuyts GD, Elseviers MM, Hotter G, Ramis I, Rosello J, Gelpi E, Stolte H, Eisenberger U, Fels LM. The assessment of biomarkers to detect nephrotoxicity using an integrated database. Environ Res 1997; 75:23-33. [PMID: 9356191 DOI: 10.1006/enrs.1997.3775] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Groups of industrial workers exposed to heavy metals (cadmium, mercury, and lead) or solvents were studied together with corresponding control groups. The cohorts were collected from several European centers (countries). Eighty-one measurements were carried out on urine, blood, and serum samples and the results of these analyses together with questionnaire information on each individual were entered into a central database using the relational database package Rbase. After the completion of the database construction phase, the data were exported in a format suitable for analysis by the statistical package SAS. The potential value of each test as an indicator of nephrotoxicity was then assessed. Rigorous exclusion criteria were applied which resulted in the elimination of some tests and samples from the dataset. The measurable contributions of smoking, gender, metal exposure, and site were either singly or in combination assessed by biomarkers for nephrotoxicity. The parameters measured included three urinary enzymes, six specific proteins, total protein, two extracellular matrix markers, four prostaglandins and anti-GBM antibodies, and beta 2-microglobulin in serum. The most sensitive renal tests included the urinary enzymes N-acetyl-beta-D-glucosaminidase (NAG) and intestinal alkaline phosphatase (IAP), brush border antigens, and urinary low-molecular-weight proteins. Of the newer tests investigated the prostaglandins were the most promising. Different patterns of biomarker excretion were observed following exposure to lead, cadmium, or mercury. The dataset provides a unique repository of data which could provide the basis of an enlarging source of information on normal human reference ranges and on the effects of exposure to toxins and the use of biomarkers for monitoring nephrotoxicity.
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Affiliation(s)
- S A Taylor
- Biochemistry Section, Division of Life Sciences, King's College London, United Kingdom
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Benedetti Panici P, Pierelli L, Scambia G, Foddai ML, Salerno MG, Menichella G, Vittori M, Maneschi F, Caracussi U, Serafini R, Leone G, Mancuso S. High-dose carboplatin, etoposide and melphalan (CEM) with peripheral blood progenitor cell support as late intensification for high-risk cancer: non-haematological, haematological toxicities and role of growth factor administration. Br J Cancer 1997; 75:1205-12. [PMID: 9099971 PMCID: PMC2222783 DOI: 10.1038/bjc.1997.206] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.5] [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] [Indexed: 02/04/2023] Open
Abstract
The present report describes the non-haematological toxicity and the influence of growth factor administration on haematological toxicity and haematopoietic recovery observed after high-dose carboplatin (1200 mg m(-2)), etoposide (900 mg m(-2)) and melphalan (100 mg m(-2)) (CEM) followed by peripheral blood progenitor cell transplantation (PBPCT) in 40 patients with high-risk cancer during their first-line treatment. PBPCs were collected during the previous outpatient induction chemotherapy programme by leukaphereses. CEM administration with PBPCT was associated with low non-haematological toxicity and the only significant toxicity consisted of a reversible grade III/IV increase in liver enzymes in 32% of the patients. Haematopoietic recovery was very fast in all patients and the administration of granulocyte colony-stimulating factor (G-CSF) plus erythropoietin (EPO) or granulocyte-macrophage colony-stimulating factor (GM-CSF) plus EPO after PBPCT significantly reduced haematological toxicity, abrogated antibiotic administration during neutropenia and significantly reduced hospital stay and patient's hospital charge compared with patients treated with PBPCT only. None of the patients died early of CEM plus PBPCT-related complications. Low non-haematological toxicity and accelerated haematopoietic recovery renders CEM with PBPC/growth factor support an acceptable therapeutic approach in an adjuvant or neoadjuvant setting.
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Pierelli L, Scambia G, Menichella G, d'Onofrio G, Salerno G, Panici PB, Foddai ML, Vittori M, Lai M, Ciarli M, Puglia G, Mancuso S, Bizzi B. The combination of erythropoietin and granulocyte colony-stimulating factor increases the rate of haemopoietic recovery with clinical benefit after peripheral blood progenitor cell transplantation. Br J Haematol 1996; 92:287-94. [PMID: 8602987 DOI: 10.1046/j.1365-2141.1996.d01-1502.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
In order to investigate the effects of erythropoietin (EPO) plus granulocyte colony-stimulating factor (G-CSF) administration after peripheral blood progenitor cell transplantation (PBPCT) we performed a phase I/II study in patients with high-risk cancer. 15 consecutive patients were treated wit recombinant human G-CSF (rhG-CSF) at the dose of 5 micrograms/kg subcutaneously (s.c.) every 24 h until day + 12 and with recombinant human EPO (rhEPO) at the dose of 150 IU/kg s.c. every 48 h until day + 11 following PBPCT. Their haemopoietic recovery was compared to that obtained in eight historic and control patients who did not receive any cytokines after PBPCT. No side-effects were observed during EPO plus G-CSF treatment and the treatment was not discontinued in any of the patients before completion of the treatment plan. The administration of EPO plus G-CSF after PBPCT produced a significant increase in the rate of white blood cell (WBC) (P = 0.0005), polymorphonuclear leucocyte (PMN) (P = 0.0005) and platelet (PLT) (P = 0.0105) recovery compared to the control group. The acceleration in haemopoietic recovery observed in the EPO plus G-CSF-treated patients produced a significant reduction of the days with WBC < 1 x 10(9)/l (P = 0.0009), PMN < 0.2 x 10(9)/l (P = 0.0030) and PMN < 0.5 x 10(9)/l (P = 0.0006). EPO plus G-CSF-treated patients required a significantly lower number of single donor PLT transfusions (P = 0.0142) and did not experience neutropenic fever, but historic control patients experienced fever > 38 degrees C for a median period of 4 d (0-12) with a medial period of parenteral antibiotic administration of 7.5 d (0-17). The length of the hospital stay was significantly shorter in the study group than in the historic control group (P = 0.0264). In conclusion, we can confirm that EPO plus G-CSF treatment is feasible and potentiates the haemopoietic recovery after PBPCT, thus simplifying the clinical management of cancer patients who undergo high-dose chemotherapy.
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Affiliation(s)
- L Pierelli
- Centro Ricerche per la Manipolazione dei Constituenti Ematici, Catholic University, Rome, Italy
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Menichella G, Pierelli L, Vittori M, Serafini R, Foddai ML, Rossi PL, Leone G, Sica S, Scambia G, Benedetti Panici L. Five-year experience in PBSC collection: results of the Catholic University of Rome. Int J Artif Organs 1993; 16 Suppl 5:39-44. [PMID: 7912231] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Several authors have reported a faster immunological and hemopoietic post-transplant reconstitution using autologous peripheral blood stem cell (PBSC) than using autologous bone marrow stem cells. A large number of PBSC can be collected by leukapheresis during the hematological recovery after induction or salvage chemotherapy. In our experience we demonstrated that several separators, even if they have different results in mononuclear cell (MNC) yields, red blood cell and platelet contaminations, are able to collect PBSC for autotransplantation in patients with several malignant diseases and different status of disease. Eighty three patients were submitted to 590 leukapheresis procedures using 4 different blood cell separators: the results showed that all employed protocols are efficient in the collection of peripheral MNC even if after the widespread use of granulocytecolony stimulating factor (G-CSF) in the harvesting phase, the blood cell separator efficiency in terms of MNC is reduced. The use of GCSF in combination with other growth factors, during chemotherapy mobilization could simplify, in the future, this therapeutical program even if improvements in the efficiency of PBSC collection protocols are required.
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Affiliation(s)
- G Menichella
- Research Center for the Manipulation of Blood Components, Sacro Cuore Catholic University, Roma, Italy
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Cardellini F, Contini V, Mazzone G, Vittori M. Phase Transformations and chemical reactions in mechanically alloyed CuZn powders. ACTA ACUST UNITED AC 1993. [DOI: 10.1016/0956-716x(93)90005-d] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Pierelli L, Menichella G, Paoloni A, Vittori M, Foddai ML, Serafini R, Rumi C, Mitschulat H, Rossi PL, Scambia G. Evaluation of a novel automated protocol for the collection of peripheral blood stem cells mobilized with chemotherapy or chemotherapy plus G-CSF using the Fresenius AS104 cell separator. J Hematother 1993; 2:145-53. [PMID: 7522877 DOI: 10.1089/scd.1.1993.2.145] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Forty-seven peripheral blood stem cell (PBSC) collections were carried out on patients mobilized with chemotherapy and 63 on patients mobilized with chemotherapy plus G-CSF (Filgrastim), using the Fresenius AS104 cell separator and a novel automated PBSC collection protocol. As expected, cell yields were significantly higher in the series mobilized using chemotherapy plus G-CSF. The low platelet and red blood cell contamination permitted freezing of the apheresis product without further manipulation, other than plasma removal in both series. In patients mobilized with chemotherapy we obtained a MNC and a hemopoietic progenitor (CFU-GM, BFU-e, and CD34+ cells) collection efficiency comparable or superior to those reported by Bender (1992) with the Baxter CS3000 Plus after mobilization with cyclophosphamide. A significant decrease in MNC, BFU-e, and CD34+ cell collection efficiency was found in patients mobilized with chemotherapy plus G-CSF compared to those obtained in patients mobilized with chemotherapy alone. Ten patients achieved a prompt and stable engraftment after high dose chemotherapy and the infusion of cryopreserved PBSC collected using this protocol. Studies are in progress in order to improve MNC and hemopoietic progenitor collection efficiency in patients mobilized with G-CSF to obtain a graft in no more than one or two procedures.
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Affiliation(s)
- L Pierelli
- Centro Rierche per la Manipolazione dei Costituenti Ematici, Istituto di Semeiotica, Catholic University, Rome, Italy
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Menichella G, Pierelli L, Foddai ML, Paoloni A, Vittori M, Serafini R, Benedetti Panici P, Scambia G, Baiocchi G, Greggi S. Autologous blood stem cell harvesting and transplantation in patients with advanced ovarian cancer. Br J Haematol 1991; 79:444-50. [PMID: 1684283 DOI: 10.1111/j.1365-2141.1991.tb08053.x] [Citation(s) in RCA: 29] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
We investigated the feasibility of a programme of autologous blood stem cell (ABSC) harvesting and transplantation in 13 patients with advanced ovarian cancer, previously untreated by chemotherapy or radiotherapy and entering a phase II study of high-dose cisplatin, etoposide and carboplatin with haematopoietic stem cell rescue. Prior to high-dose treatment all patients underwent two courses of cisplatin and cyclophosphamide. An 8-fold increase of the peripheral colony forming unit granulocytic-macrophage (CFU-GM) was observed during recovery from myelosuppression after the first chemotherapy course. The second course determined a 2.5-fold increase of peripheral CFU-GM. In 70% of enrolled patients (nine patients) we were able to perform ABSC harvesting by leukaphereses; in the apheresed patients we harvested an average of 20.8 x 10(4)/kg CFU-GM (range 10.9-37.0). Haematopoietic trilineage engraftment, established as the number of days necessary to reach white blood cells (WBC) greater than 1.0 x 10(9)/l, polymorphonuclear leucocytes (PMN) greater than 0.5 x 10(9)/l and platelets (PLT) greater than 50 x 10(9)/l, occurred very promptly and was sustained in the same series after high-dose cisplatin, carboplatin and etoposide, followed by autologous blood stem cell transplantation (ABSCT). In our experience we found a significant correlation (r = 0.77; P less than 0.05) between CFU-GM infused dose and the engraftment speed of PMN. We conclude that the combination of cisplatin and cyclophosphamide is effective in mobilizing haematopoietic progenitors in the peripheral blood of patients with advanced ovarian cancer, previously untreated by chemoradiotherapy. Moreover, ABSCT is capable of rapidly restoring the haematopoietic function after high-dose treatment and for this reason it represents a particularly advisable therapeutic option for the treatment of solid tumours because these patients are commonly older than 50 and can be excluded from bone marrow transplantation.
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Affiliation(s)
- G Menichella
- Servizio di Ematologia ed Emotrasfusione, Catholic University, Rome, Italy
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Pierelli L, Menichella G, Foddai ML, Serafini R, Vittori M, Paoloni A, Benedetti Panici P, Scambia G, Baiocchi G, Greggi S. High dose chemotherapy with cisplatin, VP16 and carboplatin with stem cell support in patients with advanced ovarian cancer. Haematologica 1991; 76 Suppl 1:63-5. [PMID: 1677915] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Authors treated 4 patients suffering from advanced ovarian cancer with high-dose chemotherapy and autologous peripheral blood stem cell (APBSC) or autologous bone marrow stem cell (ABM) as hematopoietic support. In three patients were collected peripheral blood stem cells using a fully automated blood cell separator during hematopoietic recovery following aplasia induced by non-intensive chemotherapy (cisplatin 200 mg/m2 and cyclophosphamide 1,500 mg/m2). Hemopoietic reconstitution of the four patients submitted to APBSC or ABM support after high-dose chemotherapy (cisplatin 100 mg/m2, VP16 650 mg/m2 and carboplatin 1,800 mg/m2) showed the low hematological toxicity of our treatment with APBSC support. Moreover, the drug combination of cisplatin and cyclophosphamide has clinical activity in ovarian cancer and it is an optimal association to mobilize and harvest large number of PBSC.
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Affiliation(s)
- L Pierelli
- Servizio di Ematologia ed Emotrasfusione, Università Cattolica del Sarco Cuore, Roma, Italy
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Menichella G, Pierelli L, Vittori M, Paoloni A, Foddai ML, Serafini R, Iacone A, Mango G. Rationale for large scale bone marrow hemopoietic stem cell manipulation. Haematologica 1991; 76 Suppl 1:3-6. [PMID: 1677911] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Many years have passed since the first attempt in marrow grafting was performed (1939). During this period several techniques have been developed in marrow processing and manipulation to overcome bone marrow transplant complications: the ABO barrier in case of major incompatibility between donor and recipient, the graft-versus-host disease due to the presence of allogeneic mature T-lymphocytes in cellular suspension and the neoplastic cell residue in autografts. At the end, the final volume of autologous mononuclear cell suspension must be frozen and an optimized cryopreservation allows a cell viability and subsequently an adequate medullar repopulating capacity.
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Affiliation(s)
- G Menichella
- Servizio di Ematologia ed Emotrasfusione, Università Cattolica del S. Cuore, Roma, Italy
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