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Carrier A, Desjobert C, Ponger L, Lamant L, Bustos M, Torres-Ferreira J, Henrique R, Jeronimo C, Lanfrancone L, Delmas A, Favre G, Delaunay A, Busato F, Hoon DSB, Tost J, Etievant C, Riond J, Arimondo PB. DNA methylome combined with chromosome cluster-oriented analysis provides an early signature for cutaneous melanoma aggressiveness. eLife 2022; 11:78587. [PMID: 36125262 PMCID: PMC9525058 DOI: 10.7554/elife.78587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 09/18/2022] [Indexed: 11/24/2022] Open
Abstract
Aberrant DNA methylation is a well-known feature of tumours and has been associated with metastatic melanoma. However, since melanoma cells are highly heterogeneous, it has been challenging to use affected genes to predict tumour aggressiveness, metastatic evolution, and patients’ outcomes. We hypothesized that common aggressive hypermethylation signatures should emerge early in tumorigenesis and should be shared in aggressive cells, independent of the physiological context under which this trait arises. We compared paired melanoma cell lines with the following properties: (i) each pair comprises one aggressive counterpart and its parental cell line and (ii) the aggressive cell lines were each obtained from different host and their environment (human, rat, and mouse), though starting from the same parent cell line. Next, we developed a multi-step genomic pipeline that combines the DNA methylome profile with a chromosome cluster-oriented analysis. A total of 229 differentially hypermethylated genes was commonly found in the aggressive cell lines. Genome localization analysis revealed hypermethylation peaks and clusters, identifying eight hypermethylated gene promoters for validation in tissues from melanoma patients. Five Cytosine-phosphate-Guanine (CpGs) identified in primary melanoma tissues were transformed into a DNA methylation score that can predict survival (log-rank test, p=0.0008). This strategy is potentially universally applicable to other diseases involving DNA methylation alterations.
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Affiliation(s)
- Arnaud Carrier
- Unité de Service et de Recherche USR 3388, CNRS-Pierre Fabre, Toulouse, France
| | - Cécile Desjobert
- Unité de Service et de Recherche USR 3388, CNRS-Pierre Fabre, Toulouse, France
| | | | - Laurence Lamant
- Cancer Research Center of Toulouse, UMR 1037, INSERM, Université Toulouse III Paul Sabatier, Toulouse, France
| | - Matias Bustos
- Department of Translational Molecular Medicine, Providence Saint John's Health Center, Santa Monica, United States
| | - Jorge Torres-Ferreira
- Cancer Biology and Epigenetics Group, Portuguese Oncology Institute, Porto, Portugal
| | - Rui Henrique
- Cancer Biology and Epigenetics Group, Portuguese Oncology Institute, Porto, Portugal
| | - Carmen Jeronimo
- Cancer Biology and Epigenetics Group, Portuguese Oncology Institute, Porto, Portugal
| | - Luisa Lanfrancone
- Department of Experimental Oncology, Instituto Europeo di Oncologia, Milan, Italy
| | - Audrey Delmas
- Cancer Research Center of Toulouse, UMR 1037, INSERM, Université Toulouse III Paul Sabatier, Toulouse, France
| | - Gilles Favre
- Cancer Research Center of Toulouse, UMR 1037, INSERM, Université Toulouse III Paul Sabatier, Toulouse, France
| | - Antoine Delaunay
- Laboratory for Functional Genomics, Fondation Jean Dausset-CEPH, Paris, France
| | - Florence Busato
- Laboratory for Epigenetics and Environment, CNRS, CEA-Institut de Biologie François Jacob, Evry, France
| | - Dave S B Hoon
- Department of Translational Molecular Medicine, Providence Saint John's Health Center, Santa Monica, United States
| | - Jorg Tost
- Laboratory for Epigenetics and Environment, CNRS, CEA-Institut de Biologie François Jacob, Evry, France
| | - Chantal Etievant
- Unité de Service et de Recherche USR 3388, CNRS-Pierre Fabre, Toulouse, France
| | - Joëlle Riond
- Unité de Service et de Recherche USR 3388, CNRS-Pierre Fabre, Toulouse, France
| | - Paola B Arimondo
- Department Structural Biology and Chemistry, Institut Pasteur, CNRS UMR 3523, Paris, France
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2
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Creasy CA, Meng YJ, Forget MA, Karpinets T, Tomczak K, Stewart C, Torres-Cabala CA, Pilon-Thomas S, Sarnaik AA, Mulé JJ, Garraway L, Bustos M, Zhang J, Patel SP, Diab A, Glitza IC, Yee C, Tawbi H, Wong MK, McQuade J, Hoon DSB, Davies MA, Hwu P, Amaria RN, Haymaker C, Beroukhim R, Bernatchez C. Genomic Correlates of Outcome in Tumor-Infiltrating Lymphocyte Therapy for Metastatic Melanoma. Clin Cancer Res 2022; 28:1911-1924. [PMID: 35190823 DOI: 10.1158/1078-0432.ccr-21-1060] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 07/01/2021] [Accepted: 02/16/2022] [Indexed: 11/16/2022]
Abstract
PURPOSE Adoptive cell therapy (ACT) of tumor-infiltrating lymphocytes (TIL) historically yields a 40%-50% response rate in metastatic melanoma. However, the determinants of outcome are largely unknown. EXPERIMENTAL DESIGN We investigated tumor-based genomic correlates of overall survival (OS), progression-free survival (PFS), and response to therapy by interrogating tumor samples initially collected to generate TIL infusion products. RESULTS Whole-exome sequencing (WES) data from 64 samples indicated a positive correlation between neoantigen load and OS, but not PFS or response to therapy. RNA sequencing analysis of 34 samples showed that expression of PDE1C, RTKN2, and NGFR was enriched in responders who had improved PFS and OS. In contrast, the expression of ELFN1 was enriched in patients with unfavorable response, poor PFS and OS, whereas enhanced methylation of ELFN1 was observed in patients with favorable outcomes. Expression of ELFN1, NGFR, and PDE1C was mainly found in cancer-associated fibroblasts and endothelial cells in tumor tissues across different cancer types in publicly available single-cell RNA sequencing datasets, suggesting a role for elements of the tumor microenvironment in defining the outcome of TIL therapy. CONCLUSIONS Our findings suggest that transcriptional features of melanomas correlate with outcomes after TIL therapy and may provide candidates to guide patient selection.
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Affiliation(s)
- Caitlin A Creasy
- Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center (MDACC), Houston, Texas
| | - Yuzhong Jeff Meng
- Broad Institute of Harvard and MIT, Cambridge, Massachusetts.,Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts.,Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts
| | - Marie-Andrée Forget
- Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center (MDACC), Houston, Texas
| | - Tatiana Karpinets
- Department of Genomic Medicine, The University of Texas MDACC, Houston, Texas
| | - Katarzyna Tomczak
- Department of Translational Molecular Pathology, The University of Texas MDACC, Houston, Texas
| | - Chip Stewart
- Broad Institute of Harvard and MIT, Cambridge, Massachusetts
| | | | - Shari Pilon-Thomas
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida.,Department of Cutaneous Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida
| | - Amod A Sarnaik
- Department of Cutaneous Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida
| | - James J Mulé
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida
| | - Levi Garraway
- Broad Institute of Harvard and MIT, Cambridge, Massachusetts.,Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts.,Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts
| | - Matias Bustos
- Department of Translational Molecular Medicine, Saint John's Cancer Institute, Saint John's Health Center, Santa Monica, California
| | - Jianhua Zhang
- Department of Genomic Medicine, The University of Texas MDACC, Houston, Texas
| | - Sapna P Patel
- Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center (MDACC), Houston, Texas
| | - Adi Diab
- Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center (MDACC), Houston, Texas
| | - Isabella C Glitza
- Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center (MDACC), Houston, Texas
| | - Cassian Yee
- Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center (MDACC), Houston, Texas
| | - Hussein Tawbi
- Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center (MDACC), Houston, Texas
| | - Michael K Wong
- Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center (MDACC), Houston, Texas
| | - Jennifer McQuade
- Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center (MDACC), Houston, Texas
| | - Dave S B Hoon
- Department of Translational Molecular Medicine, Saint John's Cancer Institute, Saint John's Health Center, Santa Monica, California
| | - Michael A Davies
- Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center (MDACC), Houston, Texas
| | - Patrick Hwu
- Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center (MDACC), Houston, Texas
| | - Rodabe N Amaria
- Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center (MDACC), Houston, Texas
| | - Cara Haymaker
- Department of Translational Molecular Pathology, The University of Texas MDACC, Houston, Texas
| | - Rameen Beroukhim
- Broad Institute of Harvard and MIT, Cambridge, Massachusetts.,Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts.,Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts
| | - Chantale Bernatchez
- Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center (MDACC), Houston, Texas.,Department of Translational Molecular Pathology, The University of Texas MDACC, Houston, Texas
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3
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Bustos M, Gross R, Dejenie R, Suyeon R, Rahimzadeh N, Tran L, Renteria Lopez VM, Cole H, Hoon DSB, Linehan J. Diagnostic ability of four cell-free miRNA signatures pre- and post-nephrectomy concordantly found in the tumor and blood from patients with renal cell carcinoma. J Clin Oncol 2021. [DOI: 10.1200/jco.2021.39.15_suppl.e16577] [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: 11/20/2022] Open
Abstract
e16577 Background: Renal cell carcinoma (RCC) has shown an increase in incidence based on continued incidental finding of these tumors by imaging. There is a need for reliable biomarkers like MicroRNAs (miRNA) that are released by the tumor cells and can be detected in assays using blood or urine samples. The first aim of the present pilot study is to determine the diagnostic ability of cell-free miRNA (cfmiR) biomarkers released by RCC tumor cells in urine and plasma samples. The secondary aim was to determine cfmiRs utility in monitoring RCC before and after radical or partial nephrectomy. Methods: We profiled tumor tissues (n = 11), pre-operative (pre-P n = 18; pre-U n = 17) and post-operative (post-P n = 18; post-U n = 17) plasma and urine paired samples from 18 RCC patients with a median follow-up of 18.4 months. As a control, we utilized plasma (n = 73) and urine (n = 16) samples taken from normal healthy donors (NHD). All specimens (n = 170) were processed and analyzed using HTG EdgeSeq miRNA whole transcriptome assay. All of the samples were normalized and DESeq2. Only miRNAs with a FC < -1.5 or > 1.5, FDR < 0.05, normalized counts > 30 were considered Results: We assessed urine, plasma, and tissue for 2083 miRNAs. The pre-U profiles from patients with RCC and NHD were compared to find differentially expressed (DE) cfmiRs. We found 182 cfmiRs DE in pre-U RCC, of which 106 were upregulated and 76 were downregulated. Similarly, we found 830 cfmiRs DE in the pre-P from RCC compared to NHD, of which 192 were upregulated and 638 were downregulated. We then searched for the top 100 miRNAs most frequently detected and identified in the tumor and in pre-P and pre-U samples. Forty miRNAs were consistently found and highly detected in all of the specimens. Of those 40 miRNAs, 33 cfmiRs were found DE in pre-P and 9 cfmiRs significantly decreased in post-P samples after surgery to the level values observed in the plasma from NHD. In the pre-P and pre-U samples from RCC patients, let-7a-5p, let-7b-5p, miR-23b-3p, and miR-30d-5p were found to be consistently upregulated compared to their respective controls. By using receiving operating characteristic (ROC) curves we assessed the area under the curve (AUC) of all the four cfmiRs in detecting RCC patients. The values of AUC for the four cfmiRs detected in pre-P ranged from 76.2-81% [sensitivity, 61.1-83.3%; specificity, 74-86.3%] and in pre-U samples ranged from 76.1-82.4% [sensitivity, 64.7-70.6%; specificity, 100%]. We observed that the four cfmiRs significantly decreased in the post-U samples from RCC patients after surgery to the level values observed in urine from NHD. Conclusions: Our results propose a four cfmiR signature as a potential diagnostic/monitoring urine biomarker that is also detectable in the plasma and tumor tissues from RRC. Further studies to validate these cfmiRNAs as biomarkers for RCC in blood and urine are ongoing.
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Affiliation(s)
- Matias Bustos
- Saint John’s Cancer Institute at Providence Saint John’s Health Center, Santa Monica, CA
| | - Rebecca Gross
- Saint John’s Cancer Institute at Providence Saint John’s Health Center, Santa Monica, CA
| | - Rebeka Dejenie
- Saint John’s Cancer Institute at Providence Saint John’s Health Center, Santa Monica, CA
| | - Ryu Suyeon
- Saint John’s Cancer Institute at Providence Saint John’s Health Center, Santa Monica, CA
| | - Negin Rahimzadeh
- Saint John’s Cancer Institute at Providence Saint John’s Health Center, Santa Monica, CA
| | - Linh Tran
- Saint John’s Cancer Institute at Providence Saint John’s Health Center, Santa Monica, CA
| | | | - Hunter Cole
- Saint John’s Cancer Institute at Providence Saint John’s Health Center, Santa Monica, CA
| | - Dave S. B. Hoon
- Saint John’s Cancer Institute at Providence Saint John’s Health Center, Santa Monica, CA
| | - Jennifer Linehan
- Saint John’s Cancer Institute at Providence Saint John’s Health Center, Santa Monica, CA
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4
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Iida Y, Ciechanover A, Marzese DM, Hata K, Bustos M, Ono S, Wang J, Salomon MP, Tran K, Kravtsova-Ivantsiv Y, Mills GB, Davies MA, Hoon DS. Abstract 3541: Epigenetic regulation of KPC1 ubiquitin ligase has a regulatory role on the NF-κB pathway in metastatic melanoma. Cancer Res 2018. [DOI: 10.1158/1538-7445.am2018-3541] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Purpose: Abnormal activation of the NF-κB pathway promotes a more aggressive phenotype of cutaneous malignant melanoma. Understanding the mechanisms regulating the NF-κB pathway in melanoma is of critical importance. KPC1 (RNF123) is an E3 ubiquitin ligase that leads to proteasomal processing of precursor NF-κB1 p105 into mature p50, one of the most important steps in the NF-κB pathway regulation. We demonstrated novel epigenetic mechanisms affecting KPC1 expression that lead to an abnormal activation of the NF-κB pathway, which was significant during tumor progression in melanoma patients.
Experimental Design: Initially using melanoma cell lines, we investigated the functional interactions between KPC1 and NF-κB, and the epigenetic regulations of KPC1, including microRNA targeted interaction and DNA methylation. The clinical impact of KPC1 expression and these epigenetic regulations were further assessed in large cohorts of clinically well-annotated melanoma tissues (tissue micro-arrays; n=137, JWCI cohort; n=40) and melanoma TCGA database cohort (n=370). High-throughput RNA sequencing, reverse-phase protein array and human methylation 450k platform were utilized for comprehensive analyses.
Results: Initially using metastatic melanoma cell lines, we verified that KPC1 promotes processing of NF-κB1 p105 into p50, thereby modulates NF-κB-target gene expression and suppresses melanoma cell proliferation. Concordantly in melanoma tissue, KPC1 expression was down-regulated in AJCC stage IV melanoma compared to early stages (JWCI cohort stage I/II p=0.013, stage III p=0.004), whereby low KPC1 expression was significantly associated with poor overall survival in stage IV melanoma (tissue micro-arrays, n=137, Hazard Ratio 1.810, p=0.006). Furthermore, epigenetic mechanisms regulating KPC1, particularly miR-155-5p and
DNA methylation level at its promoter region, was shown to be significant in melanoma lines. This regulatory mechanism was validated in clinical melanoma tissues. High miR-155-5p expression, which is negatively regulated by its promoter DNA methylation level (melanoma TCGA database cohort; Pearson's r -0.455, p<0.001), is significantly associated with KPC1 down-regulation (JWCI cohort; p=0.028, melanoma TCGA database cohort; p=0.003).
Conclusions: We identified miR-155-5p, which is epigenetically controlled by its promoter methylation, has a regulatory role on KPC1 expression. These interactions promote to down-regulation of KPC1 and abnormal NF-κB pathway activation, leading to highly proliferative melanoma cells and poor clinical outcomes. These findings suggest utility of KPC1 expression level for stratification of stage IV melanoma patients, and the importance of the miR-155-5p-KPC1-NF-κB-axis in controlling melanoma proliferation.
Citation Format: Yuuki Iida, Aaron Ciechanover, Diego M. Marzese, Keisuke Hata, Matias Bustos, Shigeshi Ono, Jinhua Wang, Matthew P. Salomon, Kevin Tran, Yelena Kravtsova-Ivantsiv, Gordon B. Mills, Michael A. Davies, Dave S.B. Hoon. Epigenetic regulation of KPC1 ubiquitin ligase has a regulatory role on the NF-κB pathway in metastatic melanoma [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2018; 2018 Apr 14-18; Chicago, IL. Philadelphia (PA): AACR; Cancer Res 2018;78(13 Suppl):Abstract nr 3541.
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Affiliation(s)
- Yuuki Iida
- 1John Wayne Cancer Institute at Providence Saint John's Health Center, Santa Monica, CA
| | | | - Diego M. Marzese
- 1John Wayne Cancer Institute at Providence Saint John's Health Center, Santa Monica, CA
| | - Keisuke Hata
- 1John Wayne Cancer Institute at Providence Saint John's Health Center, Santa Monica, CA
| | - Matias Bustos
- 1John Wayne Cancer Institute at Providence Saint John's Health Center, Santa Monica, CA
| | - Shigeshi Ono
- 1John Wayne Cancer Institute at Providence Saint John's Health Center, Santa Monica, CA
| | - Jinhua Wang
- 1John Wayne Cancer Institute at Providence Saint John's Health Center, Santa Monica, CA
| | - Matthew P. Salomon
- 1John Wayne Cancer Institute at Providence Saint John's Health Center, Santa Monica, CA
| | - Kevin Tran
- 1John Wayne Cancer Institute at Providence Saint John's Health Center, Santa Monica, CA
| | | | - Gordon B. Mills
- 3The University of Texas MD Anderson Cancer Center, Houston, TX
| | | | - Dave S.B. Hoon
- 1John Wayne Cancer Institute at Providence Saint John's Health Center, Santa Monica, CA
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5
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Iida Y, Ciechanover A, Marzese DM, Hata K, Bustos M, Ono S, Wang J, Salomon MP, Tran K, Lam S, Hsu S, Nelson N, Kravtsova-Ivantsiv Y, Mills GB, Davies MA, Hoon DSB. Epigenetic Regulation of KPC1 Ubiquitin Ligase Affects the NF-κB Pathway in Melanoma. Clin Cancer Res 2017; 23:4831-4842. [PMID: 28389511 DOI: 10.1158/1078-0432.ccr-17-0146] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Revised: 02/10/2017] [Accepted: 04/04/2017] [Indexed: 12/13/2022]
Abstract
Purpose: Abnormal activation of the NF-κB pathway induces a more aggressive phenotype of cutaneous melanoma. Understanding the mechanisms involved in melanoma NF-κB activation may identify novel targets for this pathway. KPC1, an E3 ubiquitin ligase, is a regulator of the NF-κB pathway. The objective of this study was to investigate the mechanisms regulating KPC1 expression and its clinical impact in melanoma.Experimental Design: The clinical impact of KPC1 expression and its epigenetic regulation were assessed in large cohorts of clinically well-annotated melanoma tissues (tissue microarrays; n = 137, JWCI cohort; n = 40) and The Cancer Genome Atlas database (TCGA cohort, n = 370). Using melanoma cell lines, we investigated the functional interactions between KPC1 and NF-κB, and the epigenetic regulations of KPC1, including DNA methylation and miRNA expression.Results: We verified that KPC1 suppresses melanoma proliferation by processing NF-κB1 p105 into p50, thereby modulating NF-κB target gene expression. Concordantly, KPC1 expression was downregulated in American Joint Committee on Cancer stage IV melanoma compared with early stages (stage I/II P = 0.013, stage III P = 0.004), and low KPC1 expression was significantly associated with poor overall survival in stage IV melanoma (n = 137; HR 1.810; P = 0.006). Furthermore, our data showed that high miR-155-5p expression, which is controlled by DNA methylation at its promoter region (TCGA; Pearson's r -0.455; P < 0.001), is significantly associated with KPC1 downregulation (JWCI; P = 0.028, TCGA; P = 0.003).Conclusions: This study revealed novel epigenetic regulation of KPC1 associated with NF-κB pathway activation, promoting metastatic melanoma progression. These findings suggest the potential utility of KPC1 and its epigenetic regulation as theranostic targets. Clin Cancer Res; 23(16); 4831-42. ©2017 AACR.
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Affiliation(s)
- Yuuki Iida
- Division of Molecular Oncology, Department of Translational Molecular Medicine, John Wayne Cancer Institute at Providence Saint John's Health Center, Santa Monica, California
| | - Aaron Ciechanover
- The David and Janet Polak Cancer and Vascular Biology Research Center, The Rappaport Faculty of Medicine and Research Institute, Technion-Israel Institute of Technology, Bat-Galim, Haifa, Israel
| | - Diego M Marzese
- Division of Molecular Oncology, Department of Translational Molecular Medicine, John Wayne Cancer Institute at Providence Saint John's Health Center, Santa Monica, California
| | - Keisuke Hata
- Division of Molecular Oncology, Department of Translational Molecular Medicine, John Wayne Cancer Institute at Providence Saint John's Health Center, Santa Monica, California
| | - Matias Bustos
- Division of Molecular Oncology, Department of Translational Molecular Medicine, John Wayne Cancer Institute at Providence Saint John's Health Center, Santa Monica, California
| | - Shigeshi Ono
- Division of Molecular Oncology, Department of Translational Molecular Medicine, John Wayne Cancer Institute at Providence Saint John's Health Center, Santa Monica, California
| | - Jinhua Wang
- Division of Molecular Oncology, Department of Translational Molecular Medicine, John Wayne Cancer Institute at Providence Saint John's Health Center, Santa Monica, California
| | - Matthew P Salomon
- Division of Molecular Oncology, Department of Translational Molecular Medicine, John Wayne Cancer Institute at Providence Saint John's Health Center, Santa Monica, California
| | - Kevin Tran
- Division of Molecular Oncology, Department of Translational Molecular Medicine, John Wayne Cancer Institute at Providence Saint John's Health Center, Santa Monica, California
| | - Stella Lam
- Division of Molecular Oncology, Department of Translational Molecular Medicine, John Wayne Cancer Institute at Providence Saint John's Health Center, Santa Monica, California
| | - Sandy Hsu
- John Wayne Cancer Institute Genome Sequencing Center, John Wayne Cancer Institute at Providence Saint John's Health Center, Santa Monica, California
| | - Nellie Nelson
- John Wayne Cancer Institute Genome Sequencing Center, John Wayne Cancer Institute at Providence Saint John's Health Center, Santa Monica, California
| | - Yelena Kravtsova-Ivantsiv
- The David and Janet Polak Cancer and Vascular Biology Research Center, The Rappaport Faculty of Medicine and Research Institute, Technion-Israel Institute of Technology, Bat-Galim, Haifa, Israel
| | - Gordon B Mills
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Michael A Davies
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas.,Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Dave S B Hoon
- Division of Molecular Oncology, Department of Translational Molecular Medicine, John Wayne Cancer Institute at Providence Saint John's Health Center, Santa Monica, California. .,John Wayne Cancer Institute Genome Sequencing Center, John Wayne Cancer Institute at Providence Saint John's Health Center, Santa Monica, California
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López-Yoldi M, Castilla-Madrigal R, Lostao MP, Barber A, Prieto J, Martínez JA, Bustos M, Moreno-Aliaga MJ. Cardiotrophin-1 decreases intestinal sugar uptake in mice and in Caco-2 cells. Acta Physiol (Oxf) 2016; 217:217-26. [PMID: 26972986 DOI: 10.1111/apha.12674] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [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: 09/18/2015] [Revised: 10/12/2015] [Accepted: 03/04/2016] [Indexed: 12/15/2022]
Abstract
AIM Cardiotrophin-1 (CT-1) is a member of the IL-6 family of cytokines with a key role in glucose and lipid metabolism. In the current investigation, we examined the in vivo and in vitro effects of CT-1 treatment on intestinal sugar absorption in different experimental models. METHODS rCT-1 effects on α-Methyl-D-glucoside uptake were assessed in everted intestinal rings from wild-type and CT-1(-/-) mice and in Caco-2 cells. rCT-1 actions on SGLT-1 expression in brush border membrane vesicles and the identification of the potential signalling pathways involved were determined by Western blot. RESULTS In vivo administration (0.2 mg kg(-1) ) of rCT-1 caused a significant decrease on α-Methyl-D-glucoside uptake in everted intestinal rings from wild-type and CT-1(-/-) mice after short-term and long-term treatments. Similarly, in vitro treatment (1-50 ng mL(-1) ) with rCT-1 reduced α-Methyl-D-glucoside uptake in everted intestinal rings. In Caco-2 cells, rCT-1 treatment (20 ng mL(-1) , 1 and 24 h) lowered apical uptake of α-Methyl-D-glucoside in parallel with a decrease on SGLT-1 protein expression. rCT-1 promoted the phosphorylation of STAT-3 after 5 and 15 min treatment, but inhibited the activation by phosphorylation of AMPK after 30 and 60 min. Interestingly, pre-treatment with the JAK/STAT inhibitor (AG490) and with the AMPK activator (AICAR) reversed the inhibitory effects of rCT-1 on α-Methyl-D-glucoside uptake. AICAR also prevented the inhibition of SGLT-1 observed in rCT-1-treated cells. CONCLUSIONS CT-1 inhibits intestinal sugar absorption by the reduction of SGLT-1 levels through the AMPK pathway, which could also contribute to explain the hypoglycaemic and anti-obesity properties of CT-1.
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Affiliation(s)
- M. López-Yoldi
- Department of Nutrition, Food Science and Physiology; University of Navarra; Pamplona Navarra Spain
- Centre for Nutrition Research; University of Navarra; Pamplona Navarra Spain
| | - R. Castilla-Madrigal
- Department of Nutrition, Food Science and Physiology; University of Navarra; Pamplona Navarra Spain
- Centre for Nutrition Research; University of Navarra; Pamplona Navarra Spain
| | - M. P. Lostao
- Department of Nutrition, Food Science and Physiology; University of Navarra; Pamplona Navarra Spain
- Centre for Nutrition Research; University of Navarra; Pamplona Navarra Spain
- IdiSNA; Navarra Institute for Health Research; Pamplona Spain
| | - A. Barber
- Department of Nutrition, Food Science and Physiology; University of Navarra; Pamplona Navarra Spain
| | - J. Prieto
- Department of Gene Therapy and Hepatology; CIMA; University of Navarra; Pamplona Navarra Spain
- CIBERehd; Institute of Health Carlos III; Madrid Spain
| | - J. A. Martínez
- Department of Nutrition, Food Science and Physiology; University of Navarra; Pamplona Navarra Spain
- Centre for Nutrition Research; University of Navarra; Pamplona Navarra Spain
- IdiSNA; Navarra Institute for Health Research; Pamplona Spain
- CIBERobn; Physiopathology of Obesity and Nutrition; Institute of Health Carlos III; Madrid Spain
| | - M. Bustos
- Department of Gene Therapy and Hepatology; CIMA; University of Navarra; Pamplona Navarra Spain
| | - M. J. Moreno-Aliaga
- Department of Nutrition, Food Science and Physiology; University of Navarra; Pamplona Navarra Spain
- Centre for Nutrition Research; University of Navarra; Pamplona Navarra Spain
- IdiSNA; Navarra Institute for Health Research; Pamplona Spain
- CIBERobn; Physiopathology of Obesity and Nutrition; Institute of Health Carlos III; Madrid Spain
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De Juan A, Ibarra E, Peral J, Santos A, Ardanza E, Palacios I, Bustos M, Urrutia A, Torre ALD, Martínez-Bengoechea M. Grouping patients with the same cancer or biological treatment on the same medicines administration day is an efficient tool. Eur J Hosp Pharm 2012. [DOI: 10.1136/ejhpharm-2012-000074.321] [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: 11/04/2022] Open
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Ibarra O, Mora O, Ardanza E, de Torre AL, Palacios I, Bustos M. Adherence to disease-modifying treatments in patients with multiple sclerosis. Eur J Hosp Pharm 2012. [DOI: 10.1136/ejhpharm-2012-000074.407] [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: 11/04/2022] Open
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9
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Boero L, Cuniberti L, Magnani N, Manavela M, Yapur V, Bustos M, Gómez Rosso L, Meroño T, Marziali L, Viale L, Evelson P, Negri G, Brites F. Increased oxidized low density lipoprotein associated with high ceruloplasmin activity in patients with active acromegaly. Clin Endocrinol (Oxf) 2010; 72:654-60. [PMID: 19681912 DOI: 10.1111/j.1365-2265.2009.03685.x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
OBJECTIVE Active acromegaly is associated with increased mortality from cardiovascular causes. Several studies have shown increased atherogenic risk factors and biomarkers of inflammation and atherosclerosis in association with growth hormone excess. The aim of this study was to evaluate oxidized low density lipoprotein (oxLDL) levels and some modulators of LDL oxidative modification in patients with acromegaly. DESIGN Open transversal study. PATIENTS Fifteen patients with active acromegaly and 15 controls were studied. MEASUREMENTS We evaluated the levels of oxLDL, thiobarbituric acid reactive substances (TBARS), ceruloplasmin, bilirubin, uric acid and total reactive antioxidant potential, and the activities of ceruloplasmin, myeloperoxidase, superoxide distmutase, paraoxonase 1, and platelet activating factor acethylhydrolase. Statistical analysis was performed including body mass index as a covariate or as a fixed variable. RESULTS Patients with acromegaly showed significantly higher levels of oxLDL (120 +/- 19 vs. 86 +/- 20 U/l, P < 0.001) and endothelin (P < 0.05), increased ceruloplasmin activity (P < 0.01) and a trend towards higher values in TBARS concentration (P = 0.07) in comparison to healthy controls. OxLDL was positively associated with GH, IGF-I and its binding protein 3 (r = 0.63, P < 0.001; r = 0.53, P < 0.01; and r = 0.56, P < 0.01; respectively). OxLDL showed direct associations with endothelin-1 (r = 0.53, P < 0.01) and ceruloplasmin activity (r = 0.43, P < 0.05). The other parameters evaluated were similar in both groups. CONCLUSIONS The increase in plasma oxLDL levels, a direct marker of the plaque formation, could constitute a link between atherosclerosis and active acromegaly. LDL oxidation would not be the consequence of diminished antioxidant defences, but of an enhancement in prooxidant factors like ceruloplasmin.
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Affiliation(s)
- L Boero
- Department of Clinical Biochemistry, School of Pharmacy and Biochemistry, University of Buenos Aires, INFIBIOC, CONICET.
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10
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Marcos-Gómez B, Bustos M, Prieto J, Martínez JA, Moreno-Aliaga MJ. Obesidad, inflamación e insulino-resistencia: papel de los ligandos del receptor gp 130. An Sist Sanit Navar 2008; 31:113-23. [DOI: 10.4321/s1137-66272008000300002] [Citation(s) in RCA: 6] [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: 11/11/2022]
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11
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Besa P, Bustos M, Borhguero Y, Berlin A, Martinez L, Trucco C. Early Radiotherapy Salvage Following Post-prostatectomy PSA Rising Improves Biochemical Outcome. Int J Radiat Oncol Biol Phys 2007. [DOI: 10.1016/j.ijrobp.2007.07.1411] [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: 10/22/2022]
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12
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Flores Cortés M, Ortega Seda C, Alarcón del Agua I, Alamo Martínez JM, Martín Cartes J, Cadet Dussort I, Bustos M, Tutosau JD, Morales Méndez S. [Shift of the heart axis due to mediastinum recurrence of a retroperitoneal liposarcoma]. Rev Esp Enferm Dig 2007; 99:618-619. [PMID: 18052671 DOI: 10.4321/s1130-01082007001000015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
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13
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Abstract
We develop a new method for obtaining connectivity data for nonlinear reaction networks, based on linear response experiments. In our approach the linear response is not the result of an approximation procedure but is due to the appropriate design of the response experiments, that is (1) they are carried out with the preservation of constant values for the total (labeled plus unlabeled) input and output fluxes and (2) the labeled compounds obey a neutrality condition (i.e., they have practically the same kinetic and transport properties as the unlabeled compounds). Under these circumstances the linear response equations hold even though the kinetics of the process is highly nonlinear. On the basis of this linear response law, we develop a method for evaluating reaction connectivities in biochemical networks from stationary response experiments. Given a system in a stationary regime, a pulse of a labeled species is introduced (with conservation of the total flux) and then the response of all the species of the network is recorded. The mechanistic information is contained in a connectivity matrix, K, which can be evaluated from the response data by means of differential as well as integral methods. The approach does not require any prior knowledge of the reaction mechanism. We carried out a numerical study of the method, based on a two-step procedure. Starting from a known reaction mechanism, we generated response data sets, to which we add noise; then, we use the noisy data sets for retrieving the connectivity matrix. The calculations were done with two programs written in Mathematica: the urea cycle and the upper part of glycolysis are used as sample biochemical networks. Given enough computer power, there are no limitations concerning the number of species involved in the response experiments; on current desktop systems processing responses of teens of species would take a few hours. The method is limited by the occurrence of experimental errors: if experimental errors in the evaluation of fluxes are larger than 10%, the method may fail to reproduce the correct values of some elements of the connectivity matrix.
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Affiliation(s)
- F Morán
- Departamento de Bioquímica y Biología Molecular I, Universidad Complutense Madrid, 28040 Madrid, Spain
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14
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15
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Socas Macías M, Alamo Martín JM, Suárez Grau JM, Suárez Artacho G, Tejada A, Martín Cartes J, Hissnard Cadet JM, Bustos M, Tutosaus Gómez JD, Morales Méndez S. Atypical left paraduodenal hernia. Rev Esp Enferm Dig 2006; 98:473-5. [PMID: 16948546 DOI: 10.4321/s1130-01082006000600008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- M Socas Macías
- Service of General Surgery, University Hospitals Virgen del Rocío, Sevilla, Spain
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16
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López Navarro AM, Matoses S, Gallego J, Peiró C, Galán S, Bustos M. [Tattoos along the lumbar median line and epidural anesthesia]. Rev Esp Anestesiol Reanim 2003; 50:491-3. [PMID: 14753148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/28/2023]
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17
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Monsma M, Gallego J, Lorente P, Estévez A, Villalaín C, Bustos M. [Headache caused by cerebral angiopathy during labor with epidural analgesia]. Rev Esp Anestesiol Reanim 2003; 50:42-5. [PMID: 12701264] [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] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
Abstract
A 29-year-old woman presented projectile vomiting followed by frontal headache, immediately upon receiving epidural analgesia for labor. The clinical picture persisted until expulsion. Although no leaking of spinal fluid into the needle or epidural catheter had been observed, post-dural puncture headache was diagnosed. The postpartum persistence of symptoms and the patient's generally worsening condition indicated the need for more thorough physical examination, which revealed signs of neurological involvement. Those findings and imaging studies (computed tomography of the brain, transcranial Doppler and magnetic resonance angiography) established a final diagnosis of postpartum cerebral angiopathy. Although epidural analgesia is increasingly requested by women entering labor, it is not a risk-free procedure. We describe a relatively unknown clinical entity, postpartum cerebral angiopathy, that developed during epidural analgesia for labor and that was initially believed to be a complication of the analgesic technique.
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Affiliation(s)
- M Monsma
- Servicio de Anestesiología-Reanimación, Pabellón Maternal, Hospital Universitario La Fe de Valencia.
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18
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Pardo A, Smith KM, Abrams J, Coffman R, Bustos M, McClanahan TK, Grein J, Murphy EE, Zlotnik A, Selman M. CCL18/DC-CK-1/PARC up-regulation in hypersensitivity pneumonitis. J Leukoc Biol 2001; 70:610-6. [PMID: 11590198] [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: 02/21/2023] Open
Abstract
Hypersensitivity pneumonitis (HP) is a lung inflammatory disorder characterized by accumulation of T lymphocytes. However, the mechanisms implicated in this process remain undefined. We examined the expression of dendritic cell (DC)-derived CC chemokine 1 (CK1)/CCL18, a chemokine putatively involved in naive T cell recruitment, in lungs from 10 patients with HP, 9 patients with idiopathic pulmonary fibrosis (IPF), and 20 healthy lungs. CCL18 was measured by real-time quantitative PCR and localized in lungs by in situ hybridization and immunohistochemistry. CCL18 expression was significantly increased in lungs affected by HP in comparison with lungs affected by IPF (2,085+/-393 vs. 1,023+/-110; P<0.05) and controls (2,085+/-393 vs. 467+/-94; P<0.01). Macrophages, DCs, and alveolar epithelial cells were the main sources of CCL18. There was a direct correlation between the levels of tissue CCL18 and the number of lymphocytes in the bronchoalveolar lavage fluids. High levels of CCL18 were detected in the subacute rather than the chronic phase of HP. These findings suggest a role for CCL18 in the pathogenesis of HP.
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Affiliation(s)
- A Pardo
- Facultad de Ciencias, Universidad Nacional Autónoma de México
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19
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Abstract
The pathology of cardiac xenografts has yielded critical insights into the mechanisms of xenograft rejection and the therapeutic procedures that might be applied to preventing or treating it. The conditions seen in rejecting cardiac xenografts include hyperacute rejection, acute vascular rejection, and cellular rejection. Hyperacute and acute vascular rejection of cardiac xenografts have features typical of humoral injury. Less is known about cellular rejection and only speculation can be offered about chronic rejection. Still, these features allow critical testing of pathogenetic mechanisms and therapies.
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Affiliation(s)
- M Bustos
- Division of Hepatology and Gene Therapy, Universidad de Navarra, Pamplona, Spain
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20
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Abstract
BACKGROUND Platelets exert their normal functions at sites of endothelial disruption by plugging discontinuities in blood vessels and secreting products that promote thrombosis, inflammation, and the healing of wounds. Whether platelets might induce these changes in xenograft blood vessels, leading to development of acute vascular rejection, has been uncertain. METHODS To examine the role of human platelets in modulation of xenograft endothelium, pig endothelial cells were treated with human platelets. RESULTS Treatment of quiescent porcine endothelial cells with human platelets modulated the endothelial cells. Whereas resting human platelets caused little change in normal porcine endothelial cells, platelets activated with small amounts of thrombin induced striking changes in the endothelial cells, including the induction of tissue factor activity, the expression of E-selectin, and the secretion of endothelin-1. These changes were induced, at least in part, by interleukin-1 (IL-1) associated with the platelet surface and were modified by the secretion of transforming growth factor-beta (TGF-beta). CONCLUSION These findings may explain how the activation of platelets at an early point in the rejection of vascularized organ xenografts or in chronic diseases might contribute to thrombotic, ischemic, and inflammatory changes characteristic of an organ xenograft undergoing rejection.
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Affiliation(s)
- M Bustos
- Department of Surgery, Universidad de Bavarra, Pamplona, Spain
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21
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Mazzolini G, Narvaiza I, Bustos M, Duarte M, Tirapu I, Bilbao R, Qian C, Prieto J, Melero I. Alpha(v)beta(3) integrin-mediated adenoviral transfer of interleukin-12 at the periphery of hepatic colon cancer metastases induces VCAM-1 expression and T-cell recruitment. Mol Ther 2001; 3:665-72. [PMID: 11356071 DOI: 10.1006/mthe.2001.0317] [Citation(s) in RCA: 16] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
We previously reported that systemic injection of recombinant adenovirus resulted in a rim of gene transduction around experimental liver tumor nodules. This zone of higher infection is dependent on the alpha(v)beta(3) integrin, acting as an adenovirus internalization receptor, which is overexpressed in tissues surrounding liver metastases. When a recombinant adenovirus encoding interleukin-12 (AdCMVIL-12) is given into a subcutaneous tumor nodule in mice also bearing concomitant liver tumors, a fraction of AdCMVIL-12 reaches the systemic circulation and infects liver tissue, especially at the malignant/healthy tissue interface. As a result of the expression at this location of the interleukin-12 transgenes, VCAM-1 is induced on vessel cells and mediates the recruitment of adoptively transferred anti-tumor cytolytic T-lymphocytes. These studies provide mechanistic explanations for the potent therapeutic synergy observed between interleukin-12 gene transfer and adoptive T-cell therapy.
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Affiliation(s)
- G Mazzolini
- Gene Therapy Unit, University of Navarra School of Medicine, C/Irunlarrea, I 31008 Pamplona, Spain
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22
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Jiménez C, Bustos M, Besses C. The irreplaceable image: A patient with subacute degeneration of the spinal cord secondary to pernicious anemia. Haematologica 2001; 86:444. [PMID: 11325658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023] Open
Affiliation(s)
- C Jiménez
- Servei d'Hematologia Clinica i, Hospital del Mar, Barcelona, Spain
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23
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Holzknecht ZE, Coombes S, Blocher BA, Plummer TB, Bustos M, Lau CL, Davis RD, Platt JL. Immune complex formation after xenotransplantation : evidence of type III as well as type II immune reactions provide clues to pathophysiology. Am J Pathol 2001; 158:627-37. [PMID: 11159199 PMCID: PMC1850294 DOI: 10.1016/s0002-9440(10)64004-7] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Rejection of renal and cardiac xenografts is initiated when natural antibodies of the recipient bind to donor endothelium, activating complement on the surface of endothelial cells. Pulmonary xenotransplants, however, reveal less evidence of antibody binding and complement activation and, in contrast to other xenografts, fare worse when the complement of the graft recipient is depleted. Accordingly, we asked whether distinct immunochemical reactions might occur after xenotransplantation of the lung and what implications such reactions might have for pulmonary pathophysiology. Analysis of serum from baboons after transplantation with porcine lungs revealed complexes containing baboon IgM and porcine von Willebrand factor. The baboon IgM in these complexes was specific for Galalpha1-3Gal. Immune complexes were also seen, albeit to a lesser extent, in the serum of kidney and heart xenotransplant recipients. Deposits of porcine von Willebrand factor and baboon C3 were detected in livers and spleens of transplanted baboons. These results indicate pulmonary xenotransplantation eventuates in formation of immune complexes and in the deposition of those complexes at distant sites. Immune complex formation could explain the peculiar fate of xenoreactive antibodies after pulmonary xenotransplantation and might contribute to the pathophysiology of the lung and systemic changes not previously considered a complication of xenotransplantation.
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Affiliation(s)
- Z E Holzknecht
- Department of Surgery, Mayo Clinic, Rochester, Minnesota 55905, USA
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24
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Bilbao R, Bustos M, Alzuguren P, Pajares MJ, Drozdzik M, Qian C, Prieto J. A blood-tumor barrier limits gene transfer to experimental liver cancer: the effect of vasoactive compounds. Gene Ther 2000; 7:1824-32. [PMID: 11110414 DOI: 10.1038/sj.gt.3301312] [Citation(s) in RCA: 58] [Impact Index Per Article: 2.4] [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: 01/12/2023]
Abstract
We have evaluated gene transfer efficiency to tumor nodules in diethylnitrosoamine (DENA)-induced hepatocellular carcinoma (HCC) in rats using adenoviral vectors administered by three different routes: intraportal, intra-arterial and intratumoral injection. Our results showed that intraportal infusion could not transduce tumor nodules greater than 1 mm in diameter while the intra-arterial route allowed transduction of nodules up to 2-5 mm in diameter. Tumors greater than this size were resistant to transduction by intravascular route, but could be transduced by direct intratumoral injection, indicating that the obstacle preventing gene transfer to tumor cells was mainly at the level of tumor vasculature and not at the level of neoplastic cells. We have studied the extracellular matrix in tumoral lesions to assess whether nodules with different size and histological pattern have different profiles in relation to transduction efficacy. Immunohistochemical detection showed a high expression of fibronectin (FN), laminin (LN) and alpha-smooth muscle actin (alpha-SMA) in those large HCC, which were resistant to adenoviral infection. Intra-arterial infusion of vasoactive compounds (histamine, angiotensin II or nitric oxide donor nitroglycerin) before vector administration enhanced gene transfer to tumor nodules that were poorly transduced without pre-treatment. Nitroglycerin was active to enhance transduction of large tumors with trabecular or pseudoglandular histological pattern, which were impermeable to adenoviral vectors even after histamine or angiotensin treatments. Our data indicate the presence of a physical barrier between blood and neoplastic cells, which prevents transduction of the tumor by vectors given by the intravascular route. The thickness and impermeability of the barrier increases as the tumor nodule grows. Vasoactive compounds may be of value in gene therapy of liver cancer by increasing transduction efficiency by intravascularly administered vectors.
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Affiliation(s)
- R Bilbao
- Department of Internal Medicine, School of Medicine, University of Navarra, Pamplona, Spain
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25
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Holzknecht ZE, Coombes S, Blocher BA, Plummer TB, Bustos M, Lau CL, Davis RD, Platt JL. Evidence of immunocomplex formation in pulmonary xenografts. Transplant Proc 2000; 32:1141. [PMID: 10936394 DOI: 10.1016/s0041-1345(00)01159-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Z E Holzknecht
- Departments of Surgery, Immunology, and Pediatrics, Mayo Clinic, Rochester, MN 55905, USA
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26
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Mannon RB, Doyle C, Griffiths R, Bustos M, Platt JL, Coffman TM. Altered intragraft immune responses and improved renal function in MHC class II-deficient mouse kidney allografts. Transplantation 2000; 69:2137-43. [PMID: 10852613 DOI: 10.1097/00007890-200005270-00031] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND During renal allograft rejection, expression of MHC class II antigens is up-regulated on the parenchymal cells of the kidney. This up-regulation of MHC class II proteins may stimulate the intragraft alloimmune response by promoting their recognition by recipient CD4+ T cells. In previous studies, absence of donor MHC class II antigens did not affect skin graft survival, but resulted in prolonged survival of cardiac allografts. METHODS To further explore the role of MHC class II antigens in kidney graft rejection, we performed vascularized kidney transplants using donor kidneys from A(beta)b-deficient mice that lack MHC class II expression. RESULTS At 4 weeks after transplant, GFR was substantially depressed in control allografts (2.18+/-0.46 ml/min/kg) compared to nonrejecting isografts (7.98+/-1.62 ml/min/kg; P<0.01), but significantly higher in class II- allografts (4.38+/-0.60 ml/min/kg; P<0.05). Despite the improvement in renal function, class II- allograft demonstrated histologic features of acute rejection, not unlike control allografts. However, morphometric analysis at 1 week after transplantation demonstrated significantly fewer CD4+ T cells infiltrating class II- allografts (12.8+/-1.2 cells/mm2) compared to controls (25.5+/-2.6 cells/mm2; P=0.0007). Finally, the intragraft profile of cytokines was altered in class II- allografts, with significantly reduced expression of Th2 cytokine mRNA compared to controls. CONCLUSIONS These results support a role of MHC class II antigens in the kidney regulating immune cells within the graft. Further, effector pathways triggered by class II antigens promote renal injury during rejection.
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Affiliation(s)
- R B Mannon
- Department of Medicine, Durham Department of Veterans Affairs Medical Center, North Carolina 27705, USA
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Coz F, Orvieto M, Bustos M, Lyng R, Stein C, Hinrichs A, San Francisco I. Extracorporeal shockwave lithotripsy of 2000 urinary calculi with the modulith SL-20: success and failure according to size and location of stones. J Endourol 2000; 14:239-46. [PMID: 10795612 DOI: 10.1089/end.2000.14.239] [Citation(s) in RCA: 79] [Impact Index Per Article: 3.3] [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: 11/13/2022] Open
Abstract
PURPOSE We analyzed the successes and failures of SWL in the treatment of 2016 urinary calculi stratified according to size and position in the urinary tract. METHODS All the patients were treated with a Modulith SL-20 (Storz Medical). RESULTS The overall stone-free rate, regardless of the size and position of the stone, was 87.4%. The rate was different for kidney and ureteral stones. The stone-free rate observed for the different positions of the calculi within the kidney was upper calix 89.2%, middle calix 90.5% lower calix 84.8%, and renal pelvis 86.0%. For staghorn calculi, the stone-free rate was 60.0%. The stone-free rate for the different positions of calculi within the ureter was: upper ureter 84.3%, iliac ureter 82.4%, and pelvic ureter 91.0%. For calculi >24 mm, the retreatment rate increased, and the success rate dropped sharply. CONCLUSION Extracorporal shockwave lithotripsy should be the first therapeutic option for urinary calculi of <24 mm regardless of their position in the urinary tract.
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Affiliation(s)
- F Coz
- Department of Urology, Military Hospital, Santiago, Chile.
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28
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Melero I, Duarte M, Ruiz J, Sangro B, Galofré J, Mazzolini G, Bustos M, Qian C, Prieto J. Intratumoral injection of bone-marrow derived dendritic cells engineered to produce interleukin-12 induces complete regression of established murine transplantable colon adenocarcinomas. Gene Ther 1999; 6:1779-84. [PMID: 10516729 DOI: 10.1038/sj.gt.3301010] [Citation(s) in RCA: 93] [Impact Index Per Article: 3.7] [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: 12/31/2022]
Abstract
Stimulation of the antitumor immune response by dendritic cells (DC) is critically dependent on their tightly regulated ability to produce interleukin-12 (IL-12). To enhance this effect artificially, bone marrow (BM)-derived DC were genetically engineered to produce high levels of functional IL-12 by ex vivo infection with a recombinant defective adenovirus (AdCMVIL-12). DC-expressing IL-12 injected into the malignant tissue eradicated 50-100% well established malignant nodules derived from the injection of two murine colon adenocarcinoma cell lines. Successful therapy was dependent on IL-12 transfection and was mediated only by syngeneic, but not allogeneic BM-derived DC, indicating that compatible antigen-presenting molecules were required. The antitumor effect was inhibited by in vivo depletion of CD8+ T cells and completely abrogated by simultaneous depletion with anti-CD4 and anti-CD8 mAbs. Mice which had undergone tumor regression remained immune to a rechallenge with tumor cells, showing the achievement of long-lasting systemic immunity that also was able to reject simultaneously induced concomitant untreated tumors. Tumor regression was associated with a detectable CTL response directed against tumor-specific antigens probably captured by DC artificially released inside tumor nodules. Our results open the possibility of similarly treating the corresponding human malignancies.
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Affiliation(s)
- I Melero
- Departamento de Medicina Interna, Facultad de Medicina, Universidad de Navarra, C/Irunlarrea, 1, 31008 Pamplona, Spain
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29
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Torres L, García-Trevijano ER, Rodríguez JA, Carretero MV, Bustos M, Fernández E, Eguinoa E, Mato JM, Avila MA. Induction of TIMP-1 expression in rat hepatic stellate cells and hepatocytes: a new role for homocysteine in liver fibrosis. Biochim Biophys Acta 1999; 1455:12-22. [PMID: 10524225 DOI: 10.1016/s0925-4439(99)00049-6] [Citation(s) in RCA: 58] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Elevated plasma levels of homocysteine have been shown to interfere with normal cell function in a variety of tissues and organs, such as the vascular wall and the liver. However, the molecular mechanisms behind homocysteine effects are not completely understood. In order to better characterize the cellular effects of homocysteine, we have searched for changes in gene expression induced by this amino acid. Our results show that homocysteine is able to induce the expression and synthesis of the tissue inhibitor of metalloproteinases-1 (TIMP-1) in a variety of cell types ranging from vascular smooth muscle cells to hepatocytes, HepG2 cells and hepatic stellate cells. In this latter cell type, homocysteine also stimulated alpha 1(I) procollagen mRNA expression. TIMP-1 induction by homocysteine appears to be mediated by its thiol group. Additionally, we demonstrate that homocysteine is able to promote activating protein-1 (AP-1) binding activity, which has been shown to be critical for TIMP-1 induction. Our findings suggest that homocysteine may alter extracellular matrix homeostasis on diverse tissular backgrounds besides the vascular wall. The liver could be considered as another target for such action of homocysteine. Consequently, the elevated plasma levels of this amino acid found in different pathological or nutritional circumstances may cooperate with other agents, such as ethanol, in the onset of liver fibrosis.
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Affiliation(s)
- L Torres
- Department of Medicine, School of Medicine, Universidad de Navarra, Pamplona, Spain
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Abstract
BACKGROUND Chronic renal allograft rejection is the leading cause of late graft failure. However, its pathogenesis has not been defined. METHODS To explore the pathogenesis of chronic rejection, we studied a mouse model of kidney transplantation and examined the effects of altering the expression of donor major histocompatibility complex (MHC) antigens on the development of chronic rejection. RESULTS We found that long-surviving mouse kidney allografts develop pathological abnormalities that resemble chronic rejection in humans. Furthermore, the absence of MHC class I or class II antigens did not prevent the loss of graft function nor alter the pathological characteristics of chronic rejection. Expression of transforming growth factor-beta (TGF-beta), a pleiotropic cytokine suggested to play a role in chronic rejection, was markedly enhanced in control allografts compared with isografts. However, TGF-beta up-regulation was significantly blunted in MHC-deficient grafts. Nonetheless, these differences in TGF-beta expression did not affect the character of chronic rejection, including intrarenal accumulation of collagens. CONCLUSIONS Reduced expression of either class I or II direct allorecognition pathways is insufficient to prevent the development of chronic rejection, despite a reduction in the levels of TGF-beta expressed in the allograft. This suggests that the severity of chronic rejection is independent of the level of MHC disparity between donor and recipient and the level of TGF-beta expression within the allograft.
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Affiliation(s)
- R B Mannon
- Department of Medicine, Duke Medical Center, Durham, North Carolina, USA.
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31
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Parker W, Holzknecht ZE, Song A, Blocher BA, Bustos M, Reissner KJ, Everett ML, Platt JL. Fate of antigen in xenotransplantation: implications for acute vascular rejection and accommodation. Am J Pathol 1998; 152:829-39. [PMID: 9502425 PMCID: PMC1858392] [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] [Grants] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Antigen down-modulation plays a critical role in xenotransplants involving humoral responses against the Forssman antigen and may play a role in the long-term survival of ABO-incompatible allografts. The present study investigates the fate of porcine antigens in pig-to-primate xenotransplantation. Human antibodies bound to the glycocalyx of cultured porcine aortic endothelial cells as judged by electron microscopy and were shed from the cell surface in a complex with fibronectin, a glycoprotein that is found in the apical membrane glycocalyx of cultured cells. Antibody was shed in a metabolically dependent process with a t(1/2) of 2 to 3 hours. However, the amount of antigen on the cell surface did not change appreciably within 24 hours, suggesting that antigen modulation did not occur. Over the ensuing days, antigen expression decreased, although the change was always less than 50% of baseline. Changes in antigen expression were due for the most part to changes in expression of alpha-galactosyl residues. Consistent with results obtained in vitro, antigen expression in porcine organ transplants remained at approximately the baseline level as determined by immunofluorescence analysis of IgM binding to graft endothelium. If, as these results suggest, antigen is not down-modulated in pig-to-primate xenotransplantation, then therapies aimed at prolonged xenograft survival must focus on antibody or genetic manipulation of antigen expression.
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Affiliation(s)
- W Parker
- Department of Surgery, Duke University Medical Center, Durham, North Carolina 27710, USA
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Bustos M, Coffman TM, Saadi S, Platt JL. Modulation of eicosanoid metabolism in endothelial cells in a xenograft model. Role of cyclooxygenase-2. J Clin Invest 1997; 100:1150-8. [PMID: 9276732 PMCID: PMC508290 DOI: 10.1172/jci119626] [Citation(s) in RCA: 76] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Lipid inflammatory mediators are thought to play a critical role in the pathogenesis of vascular injury. Among the events which might cause the synthesis of eicosanoids in blood vessels is activation of the complement. To evaluate how complement might influence eicosanoid metabolism, we investigated endothelial cells exposed to xenoreactive antibodies and complement, as might occur in rejecting xenografts where severe vascular injury is a typical feature. While resting porcine aortic endothelial cells released only prostaglandin (PG) I2, endothelial cells stimulated with xenoreactive antibodies and complement released PGE2 and thromboxane A2 (TXA2), in addition to increased amounts of PGI2. This alteration in eicosanoid metabolism was associated with induction of cyclooxygenase (Cox)-2 and thromboxane synthase, but not Cox-1. Unlike results seen in other systems, the upregulation of Cox-2 and the subsequent release of eicosanoids by endothelial cells was not directly induced by complement but rather required production of IL-1alpha, which acted on endothelial cells as an autocrine factor. Since eicosanoids have a potent effect on inflammation, vascular tone and platelet aggregation, we postulated that the abnormalities in eicosanoid release induced by xenoreactive antibodies and complement might provide one explanation for the vascular injury, focal ischemia, and thrombosis observed in acute vascular rejection and other vasculitides mediated by complement.
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Affiliation(s)
- M Bustos
- Department of Surgery, Duke University, Durham, North Carolina 27710, USA
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Affiliation(s)
- M Bustos
- Department of Surgery, Duke University, Durham, North Carolina 27710, USA
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34
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Abstract
Six years ago, Jeffrey Platt and colleagues reviewed the biological hurdles to transplanting organs between species. The ensuing years have allowed the concepts advanced at that time to be tested leading to significant progress in understanding the immunology of xenotransplantation and in developing strategies for potential clinical application. Here, William Parker and colleagues review that progress.
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Affiliation(s)
- W Parker
- Dept of Surgery, Duke University, Durham, NC 27710, USA
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Bustos M, Saadi S, Platt JL. Modulation of endothelial metabolism by xenogeneic serum: implications for vasoconstriction and permeability. Transplant Proc 1996; 28:624. [PMID: 8623308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- M Bustos
- Department of Surgery, Duke University, Durham, North Carolina, USA
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36
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Gómez-Morales M, Bustos M, Montes A, Andújar M, Medina-Cano MT, Ramírez C, O'Valle F, Aguilar D, Aneiros J, García del Moral R. Influence of intrarenal deposits of ciclosporin A on acute renal transplant rejection. Nephron Clin Pract 1995; 70:402-9. [PMID: 7477643 DOI: 10.1159/000188636] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [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: 01/25/2023] Open
Abstract
Immunohistochemical techniques were used to study the presence of ciclosporin A (CsA) and leukocyte subsets in 36 posttransplant renal biopsy specimens histologically diagnosed as acute graft rejection. Glomeruli from patients with CsA deposits contained more leukocytes (p < 0.05) than glomeruli from tissues without deposits. In contrast, the interstitium from patients without deposits contained significantly more B lymphocytes than interstitia from kidneys with CsA deposits. In both glomeruli and interstitia, the CD4/CD8 ratios were higher in tissues without deposits, although the difference was not significant. The plasma levels of creatinine increased with the intensity of renal CsA deposits, and significantly more patients on hemodialysis had deposits as compared with patients not on hemodialysis. Our findings suggest two types of acute nonvascular rejection: (1) predominantly interstitial, with a good prognosis, characterized by low numbers of intrarenal CsA deposits and a predominance of B lymphocytes and (2) predominantly glomerular, with a poor prognosis, characterized by high levels of intrarenal CsA and a predominance of CD8-positive cells and macrophages.
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Affiliation(s)
- M Gómez-Morales
- Department of Pathology, University Hospital, University of Granada, Spain
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37
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Parent G, Chevalier P, Zalles L, Sevilla R, Bustos M, Dhenin JM, Jambon B. In vitro lymphocyte-differentiating effects of thymulin (Zn-FTS) on lymphocyte subpopulations of severely malnourished children. Am J Clin Nutr 1994; 60:274-8. [PMID: 8030607 DOI: 10.1093/ajcn/60.2.274] [Citation(s) in RCA: 53] [Impact Index Per Article: 1.8] [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: 01/28/2023] Open
Abstract
This work investigates how thymic dysfunction contributes to the depression of cell-mediated immunity in protein-energy malnutrition (PEM). In Bolivian children hospitalized for severe PEM, the size of the thymus was measured by echography, and the lymphocyte subpopulations were detected by using monoclonal antibodies. These data were compared with those obtained from healthy control subjects. Regardless of the clinical form of PEM, our results show a high degree of T lymphocyte immaturity in severely malnourished children, which correlates with a severe involution of the thymus. Before in vitro incubation with thymulin, this significant increase in the percentage of circulating immature T lymphocytes was concomitant with a decrease in mature T lymphocytes and a slight increase in cytotoxic T subpopulations. After in vitro incubation with thymulin, immature T lymphocytes decreased and mature T lymphocytes increased.
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Affiliation(s)
- G Parent
- ORSTOM Nutrition (UR 4F)/IBBA, La Paz, Bolivia
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Lardelli P, Aguilar D, Gómez-Morales M, Antón I, Navarro N, Montes A, Andújar M, Bustos M, O'Valle F, Aneiros J. Presence of cytomegalovirus genome and leucocyte subsets in renal transplant biopsies. Relationship with prognosis. Pathol Res Pract 1994; 190:142-50. [PMID: 8058568 DOI: 10.1016/s0344-0338(11)80704-1] [Citation(s) in RCA: 2] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
The influence of immunosuppressant therapy and of the presence of CMV genome on the distribution of lymphoid subpopulations of the inflammatory infiltrate in renal graft rejection was analyzed, as was the role of both factors in the evolution and survival of the graft. The study included 22 patients treated with Cyclosporin A (CsA) and 22 patients treated with Azathioprine (AZA). Inflammatory infiltrate was studied by immunostaining with a panel of monoclonal antibodies, and CMV DNA was detected by in situ hybridization on tissue sections. In patients treated with CsA, increased cellularity was found at both glomerular and interstitial levels, consisting mainly of macrophages and T-cells, which was consistent with the higher rate of glomerulointerstitial rejection found in this group. In contrast, the vascular type of rejection predominated in AZA treated patients. However, the presence of CMV DNA did not influence the phenotype of the inflammatory infiltrate, and was not associated with any specific lesion. Furthermore, the final outcome of the renal graft was independent of the detection of CMV. Therefore, this study provides no evidence of any active role of the CMV genome in renal graft rejection, and suggests that therapy should be adapted to the type of rejection as defined on morphologic and immunophenotypic grounds.
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Affiliation(s)
- P Lardelli
- Department of Pathology, University Hospital, School of Medicine, University of Granada, Spain
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Abstract
Three secondary human yolk sacs (SHYSs) showing heterotopic endodermal tubular structures of the gut-forming type were analyzed from a series of 180 SHYSs. These structures were similar to the early somatic endoderm involved in the formation of gut and lung. They may have arisen either as sequestrations in growth-disorganized embryos or as a phenomenon of differentiation from extraembryonal endoderm, which would indicate that extraembryonal tissues such as the SHYSs retain the capacity to differentiate somatic endoderm in developmentally altered embryos. It is possible that these structures may be the precursors of placental hepatic tissue and teratomas. Their morphologic resemblance to similar structures found in glandular, polyvesicular, and intestinal human yolk sac tumors provides yet another example of the similarity between SHYSs and yolk sac tumors.
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Affiliation(s)
- F F Nogales
- Department of Pathology, University of Granada School of Medicine, Spain
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Coz LF, Lyng R, Bustos M, Stein C, Figueroa A. [Extracorporeal lithotripsy of urinary calculi: experience with Modulith SL-20 (Storz Medical)]. Rev Med Chil 1991; 119:1403-8. [PMID: 9723097] [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: 02/08/2023]
Abstract
The results of extracorporeal lithotripsy on 250 patients with renal and ureteral stones are reported. Stone size varied from less than 1 cm (64%), 1 to 2 cm (31%) to over 2 cm (4%). 51% of patients were treated on an ambulatory basis. Complete fragmentation was obtained in 97% of patients and 78% were free of any demonstrable stone after 90 days. lithotripsy is an effective procedure allowing ambulatory non surgical treatment of urinary stones in many patients.
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Affiliation(s)
- L F Coz
- Servicio de Urología, Hospital Militar, Santiago de Chile
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Paris L, Caumes E, Bustos M, Gay F, Datry A, Danis M, Gentilini M. [Resistance of Plasmodium falciparum to mefloquine in Sierra Leone and Kenya]. Presse Med 1990; 19:1283. [PMID: 2143829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
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Godard C, Bustos M, Muñoz M, Nusslé D. Value of a chicken-based formula for refeeding of children with protracted diarrhea and malnutrition in a developing country. J Pediatr Gastroenterol Nutr 1989; 9:473-80. [PMID: 2516122 DOI: 10.1097/00005176-198911000-00014] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Two hospital-made, lactose-free, hypoosmolar formulas were compared for therapy for 61 children aged 10-28 months who had severe malnutrition and protracted diarrhea. The formulas were isocaloric and contained dextrin-maltose, carrots, sunflower oil, minerals, and vitamins. One had chicken meat as the protein source and the other had hydrolyzed lactalbumin (LAD). Initially the formulas were given as a continuous enteral feeding by nasogastric tube and pump. Six patients died from metabolic and infectious complications: four failed to equilibrate and changed diet. The remaining 51 were divided into two groups; group A, chicken formula (n = 26), and group B, LAD formula (n = 25). The mean duration of diarrhea was similar in both groups; number of days with liquid stools = 6.0 +/- 4.1 in group A, 5.5 +/- 2.8 in group B; number of days with greater than 4 stools/day = 3.5 +/- 3.4 in group A, 4.1 +/- 2.1 in group B. The time until beginning nutritional recovery was 13.2 +/- 12.0 days in group A and 13.3 +/- 7.8 days in group B. Intercurrent infections were significantly more frequent in patients receiving chicken formula (12 of 30 patients) than in those receiving LAD formula (4 of 27 patients) (p less than 0.05). We conclude that chicken formula is an efficient substitute to expensive semielemental formulas for continuous enteral feeding of protracted diarrhea in severely malnourished children.
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Affiliation(s)
- C Godard
- Centro de Pediatria Albina R. de Patiño, Cochabamba, Bolivia
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Bustos M, Martínez PJ, Gutiérrez P, Martínez MI. [The complex formed between a sympathomimetic amine and theophylline]. Farmaco Prat 1987; 42:261-8. [PMID: 3428414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Bustos M, Padilla F, García J. [Development of ciliary ganglia cultured in toto in the presence of conditioned media and a chemically defined media (Nu-Serum)]. Trab Inst Cajal 1984; 75:99-106. [PMID: 6545983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
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