1
|
Rojo F, García-Parra J, Zazo S, Tusquets I, Ferrer-Lozano J, Menendez S, Eroles P, Chamizo C, Servitja S, Ramírez-Merino N, Lobo F, Bellosillo B, Corominas JM, Yelamos J, Serrano S, Lluch A, Rovira A, Albanell J. Nuclear PARP-1 protein overexpression is associated with poor overall survival in early breast cancer. Ann Oncol 2012; 23:1156-1164. [PMID: 21908496 DOI: 10.1093/annonc/mdr361] [Citation(s) in RCA: 123] [Impact Index Per Article: 10.3] [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: 10/06/2023] Open
Abstract
BACKGROUND Poly(ADP-ribose)polymerase-1 (PARP-1) is a highly promising novel target in breast cancer. However, the expression of PARP-1 protein in breast cancer and its associations with outcome are yet poorly characterized. PATIENTS AND METHODS Quantitative expression of PARP-1 protein was assayed by a specific immunohistochemical signal intensity scanning assay in a range of normal to malignant breast lesions, including a series of patients (N = 330) with operable breast cancer to correlate with clinicopathological factors and long-term outcome. RESULTS PARP-1 was overexpressed in about a third of ductal carcinoma in situ and infiltrating breast carcinomas. PARP-1 protein overexpression was associated to higher tumor grade (P = 0.01), estrogen-negative tumors (P < 0.001) and triple-negative phenotype (P < 0.001). The hazard ratio (HR) for death in patients with PARP-1 overexpressing tumors was 7.24 (95% CI; 3.56-14.75). In a multivariate analysis, PARP-1 overexpression was an independent prognostic factor for both disease-free (HR 10.05; 95% CI 5.42-10.66) and overall survival (HR 1.82; 95% CI 1.32-2.52). CONCLUSIONS Nuclear PARP-1 is overexpressed during the malignant transformation of the breast, particularly in triple-negative tumors, and independently predicts poor prognosis in operable invasive breast cancer.
Collapse
MESH Headings
- Adult
- Aged
- Aged, 80 and over
- Animals
- Biomarkers, Tumor/genetics
- Biomarkers, Tumor/metabolism
- Breast Neoplasms/diagnosis
- Breast Neoplasms/metabolism
- Breast Neoplasms/mortality
- Breast Neoplasms/pathology
- Carcinoma, Ductal, Breast/diagnosis
- Carcinoma, Ductal, Breast/metabolism
- Carcinoma, Ductal, Breast/mortality
- Carcinoma, Ductal, Breast/pathology
- Cell Nucleus/metabolism
- Cell Nucleus/pathology
- Cells, Cultured
- Disease Progression
- Embryo, Mammalian
- Female
- Gene Expression Regulation, Neoplastic/drug effects
- Humans
- Mice
- Mice, Knockout
- Middle Aged
- Neoplasm Invasiveness
- Neoplasm Staging
- Poly (ADP-Ribose) Polymerase-1
- Poly(ADP-ribose) Polymerase Inhibitors
- Poly(ADP-ribose) Polymerases/genetics
- Poly(ADP-ribose) Polymerases/metabolism
- Prognosis
- RNA, Small Interfering/pharmacology
- Survival Analysis
- Up-Regulation/drug effects
- Up-Regulation/genetics
Collapse
Affiliation(s)
- F Rojo
- Cancer Research Program, IMIM (Hospital del Mar Research Institute), Barcelona; Department of Pathology, Hospital del Mar, Barcelona; Department of Pathology, IIS-Fundación Jiménez Díaz, Madrid
| | - J García-Parra
- Cancer Research Program, IMIM (Hospital del Mar Research Institute), Barcelona; Medical Oncology Department, Hospital del Mar, Barcelona
| | - S Zazo
- Department of Pathology, IIS-Fundación Jiménez Díaz, Madrid
| | - I Tusquets
- Medical Oncology Department, Hospital del Mar, Barcelona
| | - J Ferrer-Lozano
- Department of Oncology and Hematology, Hospital Clinico Universitario, Valencia
| | - S Menendez
- Cancer Research Program, IMIM (Hospital del Mar Research Institute), Barcelona; Medical Oncology Department, Hospital del Mar, Barcelona
| | - P Eroles
- Department of Oncology and Hematology, Hospital Clinico Universitario, Valencia
| | - C Chamizo
- Department of Pathology, IIS-Fundación Jiménez Díaz, Madrid
| | - S Servitja
- Medical Oncology Department, Hospital del Mar, Barcelona
| | | | - F Lobo
- Department of Oncology, IIS-Fundación Jiménez Díaz, Madrid
| | - B Bellosillo
- Department of Pathology, Hospital del Mar, Barcelona
| | - J M Corominas
- Cancer Research Program, IMIM (Hospital del Mar Research Institute), Barcelona; Department of Pathology, Hospital del Mar, Barcelona; Department of Medicine, Autonomous University of Barcelona, Barcelona
| | - J Yelamos
- Cancer Research Program, IMIM (Hospital del Mar Research Institute), Barcelona; Immunology Department, Hospital del Mar, Barcelona
| | - S Serrano
- Department of Pathology, Hospital del Mar, Barcelona; Department of Medicine, Autonomous University of Barcelona, Barcelona
| | - A Lluch
- Department of Oncology and Hematology, Hospital Clinico Universitario, Valencia; Department of Medicine, Valencia Central University, Valencia, Spain
| | - A Rovira
- Cancer Research Program, IMIM (Hospital del Mar Research Institute), Barcelona; Medical Oncology Department, Hospital del Mar, Barcelona
| | - J Albanell
- Cancer Research Program, IMIM (Hospital del Mar Research Institute), Barcelona; Medical Oncology Department, Hospital del Mar, Barcelona; Department of Medicine, Autonomous University of Barcelona, Barcelona.
| |
Collapse
|
2
|
Albanell J, González A, Ruiz-Borrego M, Alba E, García-Saenz JA, Corominas JM, Burgues O, Furio V, Rojo A, Palacios J, Bermejo B, Martínez-García M, Limon ML, Muñoz AS, Martín M, Tusquets I, Rojo F, Colomer R, Faull I, Lluch A. Prospective transGEICAM study of the impact of the 21-gene Recurrence Score assay and traditional clinicopathological factors on adjuvant clinical decision making in women with estrogen receptor-positive (ER+) node-negative breast cancer. Ann Oncol 2012; 23:625-631. [PMID: 21652577 DOI: 10.1093/annonc/mdr278] [Citation(s) in RCA: 96] [Impact Index Per Article: 8.0] [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: 12/27/2022] Open
Abstract
BACKGROUND This study examined the impact of the Recurrence Score (RS) in Spanish breast cancer patients and explored the associations between clinicopathological markers and likelihood of change in treatment recommendations. PATIENTS AND METHODS Enrollment was offered consecutively to eligible women with estrogen receptor-positive; human epidermal growth factor receptor 2-negative, node-negative breast cancer. Oncologists recorded treatment recommendation and confidence in it before and after knowing the patient's RS. RESULTS Treatment recommendation changed in 32% of 107 patients enrolled: in 21% from chemohormonal (CHT) to hormonal therapy (HT) and in 11% from HT to CHT. RS was associated with the likelihood of change from HT to CHT (P < 0.001) and from CHT to HT (P < 0.001). Confidence of oncologists in treatment recommendations increased for 60% of cases. Higher tumor grade (P = 0.007) and a high proliferative index (Ki-67) (P = 0.023) were significantly associated with a greater chance of changing from HT to CHT, while positive progesterone receptor status (P = 0.002) with a greater probability of changing from CHT to HT. CONCLUSIONS Results from the first prospective European study are consistent with published experience and use of the RS as proposed in European clinical practice guidelines and provide evidence on how Oncotype DX and clinicopathological factors are complementary and patient selection may be improved.
Collapse
Affiliation(s)
- J Albanell
- Medical Oncology Service, Hospital del Mar, Barcelona; Cancer Research Program, IMIM (Hospital del Mar Research Institute), Barcelona; Department of Medicine, Autonomous University of Barcelona, Barcelona.
| | - A González
- Medical Oncology Service, MD Anderson, Madrid
| | - M Ruiz-Borrego
- Medical Oncology Service, Hospital Virgen del Rocío, Sevilla
| | - E Alba
- Medical Oncology Service, Hospital Virgen de la Victoria, Málaga
| | | | - J M Corominas
- Cancer Research Program, IMIM (Hospital del Mar Research Institute), Barcelona; Department of Medicine, Autonomous University of Barcelona, Barcelona; Pathology Service, Hospital del Mar, Barcelona
| | - O Burgues
- Pathology Service, Hospital Clínico, Valencia
| | - V Furio
- Pathology Service, Hospital Clínico, Madrid
| | - A Rojo
- Pathology Service, MD Anderson, Madrid
| | - J Palacios
- Pathology Service, Hospital Virgen del Rocío, Sevilla
| | - B Bermejo
- Department of Hematology and Oncology, Hospital Clínico de Valencia, Valencia
| | - M Martínez-García
- Medical Oncology Service, Hospital del Mar, Barcelona; Cancer Research Program, IMIM (Hospital del Mar Research Institute), Barcelona
| | - M L Limon
- Medical Oncology Service, Hospital Virgen del Rocío, Sevilla
| | - A S Muñoz
- Medical Oncology Service, Hospital Virgen de la Victoria, Málaga
| | - M Martín
- Medical Oncology Service, Hospital Gregorio Marañón Madrid, Madrid
| | - I Tusquets
- Medical Oncology Service, Hospital del Mar, Barcelona; Cancer Research Program, IMIM (Hospital del Mar Research Institute), Barcelona
| | - F Rojo
- Cancer Research Program, IMIM (Hospital del Mar Research Institute), Barcelona; Pathology Service, Fundación Jiménez Díaz, Madrid
| | - R Colomer
- Medical Oncology Service, MD Anderson, Madrid
| | | | - A Lluch
- Department of Hematology and Oncology, Hospital Clínico de Valencia, Valencia
| |
Collapse
|
3
|
Serrano MJ, Nadal R, Lorente JA, Salido M, Rodríguez R, Rodríguez M, Macià M, Sánchez-Rovira P, Corominas JM, González L, Vera L, Albanell J, Solé F. Circulating cancer cells in division in an early breast cancer patient. Ann Oncol 2011; 22:2150-2151. [PMID: 21743104 DOI: 10.1093/annonc/mdr322] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Affiliation(s)
- M J Serrano
- Pfizer-University of Granada-Andalusian Government Center of Genomics and Oncology (GENyO), Granada.
| | - R Nadal
- Molecular Cytogenetics Laboratory, Pathology Department, Parc de Salut Mar-Hospital del Mar, IMIM-GRETNHE, Barcelona
| | - J A Lorente
- Pfizer-University of Granada-Andalusian Government Center of Genomics and Oncology (GENyO), Granada; Laboratory of Genetic Identification-UGR, Department of Legal Medicine, University of Granada, Granada
| | - M Salido
- Molecular Cytogenetics Laboratory, Pathology Department, Parc de Salut Mar-Hospital del Mar, IMIM-GRETNHE, Barcelona
| | - R Rodríguez
- Laboratory of Genetic Identification, Department of Legal Medicine, University of Granada, Granada
| | - M Rodríguez
- Molecular Cytogenetics Laboratory, Pathology Department, Parc de Salut Mar-Hospital del Mar, IMIM-GRETNHE, Barcelona
| | - M Macià
- Oncology Department, Hospital del Mar-IMAS, Barcelona
| | - P Sánchez-Rovira
- Pfizer-University of Granada-Andalusian Government Center of Genomics and Oncology (GENyO), Granada; Medical Oncology Department, University Hospital, Jaén, Spain
| | - J M Corominas
- Molecular Cytogenetics Laboratory, Pathology Department, Parc de Salut Mar-Hospital del Mar, IMIM-GRETNHE, Barcelona
| | - L González
- Pfizer-University of Granada-Andalusian Government Center of Genomics and Oncology (GENyO), Granada
| | - L Vera
- Pfizer-University of Granada-Andalusian Government Center of Genomics and Oncology (GENyO), Granada
| | - J Albanell
- Oncology Department, Hospital del Mar-IMAS, Barcelona
| | - F Solé
- Molecular Cytogenetics Laboratory, Pathology Department, Parc de Salut Mar-Hospital del Mar, IMIM-GRETNHE, Barcelona
| |
Collapse
|
4
|
Abstract
Anticancer drug discovery and development in cancer are currently undergoing of fast transformation. The selection of a therapeutic and effective dose using conventional cytotoxic agents has been based on the consecution of the maximally tolerated dose. However, this principle does not apply for new targeted therapies, where the definition of the optimal biologic dose (OBD) should be preferred. The definition of OBD might be established based on pharmacokinetic endpoints and, ideally, on pharmacodynamic assays by demonstrating directly the biological effect on the target and its downstream molecules in normal or tumor tissues. Normal tissues, such as peripheral blood mononuclear cells, skin or mucosa, may be excellent surrogates for explore the exposure of a drug and the dynamic target inhibition in vivo. In addition, tumor pharmacodynamic assays may determine the biologic effects of a therapy because tumor cells respond in a different way to targeted drugs than normal tissues, and to identify biomarkers that would permit to predict the individual response. In conclusion, these studies provide demonstration of proof of concept for biological and molecular mechanisms of selected drug, to select the appropriate population to be treated, to help the interpretation of clinical data, to inform the identification of optimal dose and schedule, to evaluate the clinical response and to contribute to take decisions for final approval by authorities.
Collapse
Affiliation(s)
- F Rojo
- Department of Pathology. Hospital del Mar-IMAS. Barcelona, Spain.
| | | | | | | |
Collapse
|
5
|
Conde P, Sarmiento LE, Parramon F, Corominas JM, Villalonga A. [Anaphylactic reaction to latex after surgery and release of the ischemic cuff]. REVISTA ESPANOLA DE ANESTESIOLOGIA Y REANIMACION 2006; 53:514-5. [PMID: 17125019] [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: 05/12/2023]
|
6
|
Montagut C, Tusquets I, Ferrer B, Corominas JM, Bellosillo B, Campas C, Suarez M, Fabregat X, Campo E, Gascon P, Serrano S, Fernandez PL, Rovira A, Albanell J. Activation of nuclear factor-kappa B is linked to resistance to neoadjuvant chemotherapy in breast cancer patients. Endocr Relat Cancer 2006; 13:607-16. [PMID: 16728586 DOI: 10.1677/erc.1.01171] [Citation(s) in RCA: 74] [Impact Index Per Article: 4.1] [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: 11/27/2022]
Abstract
The nuclear factor (NF)-kappaB system is a promising anticancer target due to its role in oncogenesis and chemoresistance in preclinical models. To provide evidence in a clinical setting on the role of NF-kappaB in breast cancer, we aimed to study the value of basal NF-kappaB/p65 in predicting resistance to neoadjuvant chemotherapy, and to characterise the pharmacodynamic changes in NF-kappaB/p65 expression following chemotherapy in patients with locally advanced breast cancer. Pre- and post-chemotherapy tumour specimens from 51 breast cancer patients treated with anthracycline- and/or taxane-containing neoadjuvant chemotherapy were assayed by immunohistochemistry for NF-kappaB/p65 subcellular expression. We studied NF-kappaB/p65, a well-characterised member of the NF-kappaB family that undergoes nuclear translocation when NF-kappaB is activated. Activation of NF-kappaB (i.e. nuclear NF-kappaB/p65 staining in pre-therapy specimens) was linked to chemoresistance. Patients with NF-kappaB/p65 nuclear staining in pre-treatment samples had a 20% clinical response rate, while patients with undetected nuclear staining had a 91% response rate to chemotherapy (P = 0.002). Notably, four patients achieved a complete histological response and none of them had pre-treatment NF-kappaB/p65 nuclear staining. Moreover, the number of patients with NF-kappaB/p65 activation increased after chemotherapy exposure. It is concluded that NF-kappaB/p65 activation assayed by immunohistochemistry is a predictive factor of resistance to neoadjuvant chemotherapy in breast cancer patients. Moreover, NF-kappaB activation was inducible following chemotherapy in a proportion of breast cancer patients. These novel clinical findings strengthen the rationale for the use of NF-kappaB inhibitors to prevent or overcome chemoresistance in breast cancer.
Collapse
Affiliation(s)
- C Montagut
- Medical Oncology Department, Institut d'Investigacions Biomediques August Pi i Sunyer (IDIBAPS), Hospital Clinic, Barcelona 08035, Spain
| | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
7
|
Torres-Rodríguez JM, Morera Y, Baró T, Corominas JM, Castañeda E. Pathogenicity of Cryptococcus neoformans var. gattii in an immunocompetent mouse model. Med Mycol 2003. [DOI: 10.1080/714858205] [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
|
8
|
Torres-Rodríguez JM, Morera Y, Baró T, Corominas JM, Castañeda E. Pathogenicity of Cryptococcus neoformans var. gattii in an immunocompetent mouse model. Med Mycol 2003; 41:59-63. [PMID: 12627805 DOI: 10.1080/mmy.41.1.59.63] [Citation(s) in RCA: 7] [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: 10/20/2022] Open
Abstract
The pathogenicity of two different genomic profiles of Cryptococcus neoformans var. gattii serotype B isolated from goats that died from cryptococcal pneumonia was assessed in an experimental model of immunocompetent mice. One strain of each randomly amplified polymorphic DNA (RAPD) profile (GR52 and GR56) and three reference C. neoformans isolates representing serotypes B, D and C were used. BALB/c male mice were inoculated by the intraperitoneal route with each strain. After 4 weeks of follow-up, the animals were sacrificed and autopsy specimens of testes, liver, spleen, kidney, lungs and brain were cultured and stained for histopathology. Although spontaneous mortality was only 2% (one animal), all mice except for those inoculated with serotype C showed positive cultures in almost one organ. The strain GR52 isolated from goat showed the highest rate of positive cultures (80%) followed by serotype D (77%). Serotype B reference strain and second goat strain GR56 were both isolated from 70% of samples. Serotype C was recovered in only 33% of organs, and never from brain or lung specimens. GR52 grew abundantly from all lung cultures, and yeast cells with large capsules were seen in histopathology inside the alveoli, peribronchial vessels and interalveolar spaces. They appeared to elicit no inflammatory response. We conclude that intraperitoneally inoculated C. neoformans var. gattii shows high virulence in this immunocompetent mouse model. Strain GR52 was highest in pathogenicity and had marked lung tropism. In contrast, the serotype C reference strain showed the lowest pathogenicity and seemed not to spread outside the abdominal viscera.
Collapse
Affiliation(s)
- J M Torres-Rodríguez
- Clinical and Experimental Mycology Research Group, (IMIM), Institut Municipal d'Assistència Sanitària, Barcelona, Spain.
| | | | | | | | | |
Collapse
|
9
|
Arén JJ, Aroles F, Bausili JM, Baxarias P, Benlloch R, Bernal J, Buisan L, Canudes E, Casanovas P, Castaño J, Canet J, Cochs J, Corominas JM, Cuenca J, Delgado J, Escolano F, Esparza F, Esquius E, Fargas X, Ferrer JM, Fuentes J, Gancedo VA, Gomar C, Guitart J, Hervás C, Jornet M, López R, Manubens E, Más-Marfan J, Mateu J, Miranda A, Miranda L, Montero A, Moral V, Oferil F, Ortiz M, Pacheco M, Pelegrí MD, Ruidebas J, Rull M, Sala X, Sintes MD, Soler E, Tomás A, Turón E, Villalonga A, Villar JM. [Survey of the deficit of anesthesiologists in Catalonia and analysis of the situation made by 47 department heads]. Rev Esp Anestesiol Reanim 2001; 48:45-8. [PMID: 11234610] [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: 02/19/2023]
|
10
|
Porta M, Costafreda S, Malats N, Guarner L, Soler M, Gubern JM, García-Olivares E, Andreu M, Salas A, Corominas JM, Alguacil J, Carrato A, Rifà J, Real FX. Validity of the hospital discharge diagnosis in epidemiologic studies of biliopancreatic pathology. PANKRAS II Study Group. Eur J Epidemiol 2000; 16:533-41. [PMID: 11049097 DOI: 10.1023/a:1007692408457] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.2] [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: 11/12/2022]
Abstract
BACKGROUND The aim was to analyse the magnitude, direction and predictors of change in the main hospital discharge diagnosis (HDD) after a clinical expert review, among patients included in a multicentre molecular epidemiologic study of biliopancreatic diseases. METHODS A total of 602 patients with a suspicion diagnosis of pancreas cancer (PC), cancer of the extrahepatic biliary system (CEBS) or benign biliopancreatic pathologies (BPP) were prospectively recruited at five general hospitals. A structured form was used to collect information from medical records. A panel of experts revised all diagnostic information and established the main clinicopathological diagnosis (CPD) by consensus. RESULTS Of the 204 cases with a HDD of PC, 176 (86%) were deemed to have a CPD of PC, eight of CEBS, twelve a neoplasm of different origin, four BPP and four syndromic diagnoses. Thus, 28 cases (14%) were false positives. Of the 129 patients with a HDD of CEBS, 15 (12%) were false positives. Nine of the 396 cases with a HDD of non-PC (2%) had a CPD of PC (false negatives), whilst 14 of 471 patients with a HDD of non-CEBS (3%) were deemed to have CEBS. Overall, sensitivity and specificity of HDD for PC were, respectively, 95 and 93%, and for CEBS, 89 and 97%. Cytohistological confirmation and laparotomy were independent predictors of diagnostic change. CONCLUSIONS Validity of the HDD was high, but its association with some clinical variables suggests that sole reliance on HDD can significantly bias results, and highlights the need to review all HDDs. Alternatively, only patients at high risk of misdiagnosis could be reviewed: primarily, those lacking a cytohistological diagnosis or a laparotomy. No exclusions appear warranted solely on the basis of age, gender or tumour spread.
Collapse
Affiliation(s)
- M Porta
- Institut Municipal d'Investigació Mèdica, Universitat Autònoma de Barcelona, Spain.
| | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
11
|
Abstract
We report the case of an exuberant ulcerative angiomatoid nasal lesion in a cocaine abuser. The lesion was made up of polymorphous endothelial cells with occasional mitoses, arranged in a lobular pattern with infiltrative-looking areas. There were extensive areas of thrombosis with focal recanalization. Intravascular proliferation was not observed. The clinical, radiological, and histological features suggested hemangiosarcoma as the main differential diagnosis, but the lobular architecture of the lesion and the widespread thrombosis favoured the diagnosis of a benign reactive process.
Collapse
Affiliation(s)
- F Alameda
- Department of Pathology, Hospital del Mar, Autonomous University of Barcelona, Spain
| | | | | | | | | |
Collapse
|
12
|
Porta M, Malats N, Jariod M, Grimalt JO, Rifà J, Carrato A, Guarner L, Salas A, Santiago-Silva M, Corominas JM, Andreu M, Real FX. Serum concentrations of organochlorine compounds and K-ras mutations in exocrine pancreatic cancer. PANKRAS II Study Group. Lancet 1999; 354:2125-9. [PMID: 10609819 DOI: 10.1016/s0140-6736(99)04232-4] [Citation(s) in RCA: 134] [Impact Index Per Article: 5.4] [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: 11/17/2022]
Abstract
BACKGROUND Organochlorine compounds such as 1,1,1-trichloro-2,2-bis(p-chlorophenyl)-ethane (p,p'-DDT), 1,1-dichloro-2,2-bis(p-chlorophenyl) ethylene (p,p'-DDE), and some polychlorinated biphenyls (PCBs) are carcinogenic to animals and possibly also to human beings. Occupational exposure to DDT may increase the risk of pancreas cancer. The high frequency of K-ras mutations in pancreatic cancer remains unexplained. We analysed the relation between serum concentrations of selected organochlorine compounds and mutations in codon 12 of the K-ras gene in patients with exocrine pancreatic cancer. METHODS Cases were prospectively identified in five hospitals. Mutations in K-ras were analysed by PCR and artificial restriction fragment length polymorphism. Cases of pancreatic cancer with wild-type K-ras (n=17) were frequency matched for age and sex to cases of pancreatic cancer with a K-ras mutation (n=34, case-case study). These 51 cases were further compared with 26 hospital controls (case-control comparison). Serum organochlorine concentrations were measured by high-resolution gas chromatography with electron-capture detection and negative ion chemical ionisation mass spectrometry. FINDINGS Serum concentrations of p,p'-DDT were significantly higher in pancreatic cancer cases with a K-ras mutation than in cases without a mutation (odds ratio for upper tertile 8.7 [95% CI 1.6-48.5], p for trend=0.005). For p,p'-DDE the corresponding figures were 5.3 (1.1-25.2, p for trend=0.031). These estimates held after adjusting for total lipids, other covariates, and total PCBs. A specific association was observed between a glycine to valine substitution at codon 12 and both p,p'-DDT and p,p'-DDE concentrations (odds ratio 15.9, p=0.044 and odds ratio 24.1, p=0.028; respectively). A similar pattern was shown for the major di-ortho-chlorinated PCBs (congeners 138, 153, and 180), even after adjustment for p,p'-DDE, but without a specific association with spectrum. Concentrations of p,p'-DDT and p,p'-DDE were similar among wild-type cases and controls, but significantly higher for K-ras mutated cases than for controls (p<0.01). INTERPRETATION Organochlorine compounds such as p,p'-DDT, p,p'-DDE, and some PCBs could play a part in the pathogenesis of exocrine pancreatic cancer through modulation of K-ras activation. The results require replication, but they suggest new roles for organochlorines in the development of several cancers in human beings.
Collapse
Affiliation(s)
- M Porta
- Institut Municipal d'Investigació Mèdica, Universitat Autònoma de Barcelona, Spain.
| | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
13
|
Porta M, Malats N, Guarner L, Carrato A, Rifà J, Salas A, Corominas JM, Andreu M, Real FX. Association between coffee drinking and K-ras mutations in exocrine pancreatic cancer. PANKRAS II Study Group. J Epidemiol Community Health 1999; 53:702-9. [PMID: 10656099 PMCID: PMC1756794 DOI: 10.1136/jech.53.11.702] [Citation(s) in RCA: 56] [Impact Index Per Article: 2.2] [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: 01/07/2023]
Abstract
STUDY OBJECTIVE To analyse the relation between coffee consumption and mutations in the K-ras gene in exocrine pancreatic cancer. DESIGN Case-case study. Consumption of coffee among cases with the activating mutation in the K-ras gene was compared with that of cases without the mutation. SETTING AND PATIENTS All cases of pancreatic cancer newly diagnosed at five hospitals in Spain during three years were included in the PANKRAS II Study (n = 185, of whom 121 whose tissue was available for molecular analysis are the object of the present report). Over 88% were personally interviewed in hospital. DNA was amplified from paraffin wax embedded tissues, and mutations in codon 12 of K-ras were detected by the artificial RFLP technique. MAIN RESULTS Mutations were found in tumours from 94 of 121 patients (77.7%). Mutations were more common among regular coffee drinkers than among non-regular coffee drinkers (82.0% v 55.6%, p = 0.018, n = 107). The odds ratio adjusted by age, sex, smoking and alcohol drinking was 5.41 (95% CI 1.64, 17.78). The weekly intake of coffee was significantly higher among patients with a mutated tumour (mean of 14.5 cups/week v 8.8 among patients with a wild type tumour, p < 0.05). With respect to non-regular coffee drinkers, the odds ratio of a mutated tumour adjusted by age, sex, smoking and alcohol drinking was 3.26 for drinkers of 2-7 cups/week, 5.77 for drinkers of 8-14 cups/week and 9.99 for drinkers of > or = 15 cups/week (p < 0.01, test for trend). CONCLUSIONS Pancreatic cancer cases without activating mutations in the K-ras gene had drank significantly less coffee than cases with a mutation, with a significant dose response relation: the less they drank, the less likely their tumours were to harbour a mutation. In exocrine pancreatic cancer the K-ras gene may be activated less often among non-regular coffee drinkers than among regular drinkers. Caffeine, other coffee compounds or other factors with which coffee drinking is associated may modulate K-ras activation.
Collapse
Affiliation(s)
- M Porta
- Institut Municipal d'Investigació Mèdica, Barcelona, Spain
| | | | | | | | | | | | | | | | | |
Collapse
|
14
|
Abstract
Systemic infections caused by opportunistic fungi have shown an increased frequency in the past 10 years, particularly in immunocompromised patients. Hansenula anomala is an ascosporogenous yeast of the Ascomycetes class found in the skin, throat, and digestive tract transient normal flora. This study was conducted to compare the pathogenicity of H. anomala and Candida albicans in a model of immunocompromised mice. Thirty-eight Swiss mice were divided into two groups as follows: 30 animals received an intraperitoneal (i.p.) injection of cyclophosphamide (200 mg/kg) four days before the induction of infection with H. anomala (1 x 10(6) yeasts/mL), and 8 animals received 100 mg/kg of cyclophosphamide at 3-day intervals during 3 weeks before inoculation of 1 x 10(7) yeasts/mL. All animals were treated with amoxicillin/clavulanic acid (40 mg/kg) four days before induction of infection. A group of mice inoculated with C. albicans (ATCC 64548) served as control. Tissue samples from the lung, spleen, liver, and kidney for histological and mycologic studies were obtained at necropsy. In each animal, the number of viable yeasts per gram of kidney was determined. The organs most frequently infected by H. anomala were the kidneys and the liver (20%), and the lung (10%). However, in conditions of sustained immunosuppression, H. anomala was found in 65.5% of the organs examined. It is concluded that in an experimental model of immunocompromised mice, the pathogenicity of H. anomala was low.
Collapse
Affiliation(s)
- J R Cermeño-Vivas
- Department of Parasitology and Microbiology, Universidad de Oriente, Ciudad Bolívar, Venezuela
| | | | | | | |
Collapse
|
15
|
Abstract
Cells having a signet ring appearance can occur in mesenchymal, lymphoid, and other nonepithelial neoplasms. We report the case of an intestinal stromal tumor with smooth muscle differentiation and a prominent signet ring cell component. The presence of signet ring forms of smooth muscle cells in sections of paraffin-embedded tissue often contrasts with a lack of cytoplasmic spaces by electron microscopy, and the ultrastructural finding of signet ring-like areas in the present case can be attributed to the fact that the tissue for electron microscopy was retrieved from paraffin blocks where this peculiar artifact already existed. Ultrastructural examination of the signet ring-like areas suggests that they originated as retraction spaces which may have resulted from variations in intracellular tension forces related to the distribution of actin filaments.
Collapse
Affiliation(s)
- M D Ferrer
- Department of Pathology, Hospital del Mar-IMAS-IMIM, Facultat de Biologia Humana, Universitat Pompeu Fabra, Barcelona, Spain
| | | | | | | | | | | |
Collapse
|
16
|
Abstract
Clear cell meningioma (CCM) is a peculiar variant that differs from conventional meningioma in affecting younger patients, arising more often in spinal or cerebellopontine locations, and showing a higher recurrence rate. Classical meningothelial areas are scarce in these tumors and the differential diagnosis with other neoplasms, particularly metastatic carcinoma, is often difficult. We report a case of clear cell meningioma from the lumbosacral spine in which location, radiologic presentation, light microscopic appearance in initial sampling, and some of the ultrastructural findings were reminiscent of chordoma. The tumor cells were diffusely positive for vimentin and very focally positive for epithelial membrane antigen. Ultrastructural demonstration of interdigitating cell processes joined by numerous desmosomes confirmed the diagnosis of CCM.
Collapse
Affiliation(s)
- F Alameda
- Hospital del Mar-IMAS-IMIM, Autonomous University of Barcelona, Spain
| | | | | | | | | | | |
Collapse
|
17
|
Tomás S, Coll J, Reth P, Corominas JM. [Immunohistochemical study of inflammatory infiltrates in minor salivary glands in Sjögren's syndrome and other autoimmune diseases]. Med Clin (Barc) 1998; 111:681-6. [PMID: 9887430] [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: 02/09/2023]
Abstract
BACKGROUND A study of the phenotype, activation and adhesive cells factors and cytokines in minor salivary glands in patients with primary Sjögren's syndrome (pSS), secondary Sjögren's syndrome (sSS) and autoimmune diseases (AD) without Sjögren's syndrome. PATIENTS AND METHODS We have studied the minor salivary glands in 30 patients with pSS, 30 patients with sSS, 19 patients with AD without SS and 18 controls, using immunohistochemical techniques to analyze the molecular expression of CD3, CD4, CD8, CD20, CD25, CD14, CD56, CD11a, CDw50 (ICAM-3), HLA-DR, IL-1, TNF-alpha and IFN-gamma in lymphocytic infiltration and epithelial cells. RESULTS Phenotype features were similar in patients with pSS and sSS, except that CD20+ lymphocyte expression was significantly higher in the sSS group (p = 0.023). The patients affected by AD without SS had activated lymphocytes in minor salivary glands in a similar manner to patients affected by pSS and sSS. No significant differences were found in HLA-DR expression in epithelial cells. We found unusual CD25 expression in epithelial cells in patients with SS but not in patients with AD without SS. The differences between pSS and sSS are related to SS theoretical time development and to immunosuppressive treatments. CONCLUSIONS The immunohistochemical pattern of minor salivary glands is similar in patients with pSS and sSS. Patients with AD are likely to develop immunological changes in minor salivary glands attributable to activated lymphocytes.
Collapse
Affiliation(s)
- S Tomás
- Servicio de Medicina Interna, Hospital del Mar-IMIM, Universidad Autónoma de Barcelona, Barcelona
| | | | | | | |
Collapse
|
18
|
Pou-Serradell A, Vinyas-Gayà J, Corominas JM. [A 56-year-old man with weakness of the legs]. Rev Neurol 1998; 26:777-86. [PMID: 9634668] [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: 02/07/2023]
Affiliation(s)
- A Pou-Serradell
- Societat Catalana de Neurologia, Mútua de Terrassa, Hospital del Mar. Barcelona, España
| | | | | |
Collapse
|
19
|
Abstract
The authors report a renal cell carcinoma composed largely of spindle cells of Fuhrman's nuclear grade II in which the bland appearance of the cells and low mitotic index were reminiscent of a benign or low-grade smooth muscle tumor. Keratin immunostaining was positive, but evidence of epithelial differentiation was obtained by electron microscopy. The tumor was an incidental finding and it did not invade the perirenal fat or the renal vein. Follow-up is only 24 months but the histological features suggest that the prognosis may be better than that of a classic sarcomatoid renal cell carcinoma.
Collapse
Affiliation(s)
- J Lloreta
- Department of Pathology, Hospital del Mar IMAS-IMIM, Autonomous University of Barcelona, Spain
| | | | | | | | | | | | | |
Collapse
|
20
|
Supervía A, Knobel H, Corominas JM, Díez A. [Multicentric plasma cell angiofollicular hyperplasia in a HIV-positive patient]. An Med Interna 1997; 14:648-9. [PMID: 9518037] [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: 02/06/2023]
|
21
|
Lloreta J, Mariñoso ML, Corominas JM, Cañas MA, Serrano S. Medullary carcinoma of the breast: an ultrastructural morphometric study of nine cases. Ultrastruct Pathol 1997; 21:499-507. [PMID: 9355232 DOI: 10.3109/01913129709016366] [Citation(s) in RCA: 4] [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] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Ultrastructural and morphometric features of 10 medullary carcinomas of the breast (MC) were investigated. Cases with a long follow-up were selected by applying stringent histologic criteria. All tumors had a homogeneous appearance by light microscopy. Under transmission electron microscopy, they showed occasional intracellular lumen formation or keratinization. In one tumor squamous differentiation was prominent and diffuse. Tumors with lymph node metastases possessed over 40% more desmosomes than nonmetastatic tumors. The number of cells with three or more nucleoli per nuclear section was significantly higher in metastatic than in nonmetastatic tumors (p = .02). Classic cases of MC of the breast display a relatively uniform appearance. However, subtle differences can be identified between metastatic and nonmetastatic tumors by ultrastructural morphometry. Although these differences are not associated with changes in the outcome of patients in this study, they seem to bear some relationship to the peculiar behavior of MC.
Collapse
Affiliation(s)
- J Lloreta
- Department of Pathology, Hospital Universitari de Mar (IMAS-IMIM-Autonomous University of Barcelona, Spain
| | | | | | | | | |
Collapse
|
22
|
Malats N, Porta M, Corominas JM, Piñol JL, Rifà J, Real FX. Ki-ras mutations in exocrine pancreatic cancer: association with clinico-pathological characteristics and with tobacco and alcohol consumption. PANK-ras I Project Investigators. Int J Cancer 1997; 70:661-7. [PMID: 9096646 DOI: 10.1002/(sici)1097-0215(19970317)70:6<661::aid-ijc6>3.0.co;2-t] [Citation(s) in RCA: 45] [Impact Index Per Article: 1.7] [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: 02/04/2023]
Abstract
The aims of this study were (i) to assess the prevalence and spectrum of codon 12 Ki-ras mutations in patients diagnosed with exocrine pancreatic cancer (EPC) in 2 general hospitals between 1980 and 1990, (ii) to analyze the association of this genetic alteration with clinical and pathological characteristics, and (iii) to determine the association of Ki-ras mutations with tobacco and alcohol consumption. DNA was amplified from paraffin-embedded tissue samples and mutations in codon 12 of Ki-ras were detected using the artificial RFLP technique. Cox proportional-hazards regression and unconditional logistic regression were applied. Codon 12 Ki-ras mutations were detected in 30 of 51 cases for which molecular results were available. The amino-acid substitutions were Asp (8), Val (6), and Arg (3). A double mutation, including always a Val, was detected in 5 cases. None of the 4 nonductal pancreatic neoplasms were mutated. The mutation prevalence was 79% in metastases and 54% in primary tumors. The risk of a mutated tumor was 3 times higher in alcohol drinkers than in non-drinkers, and a linear trend was apparent. When age, gender, hospital, and tobacco and alcohol consumption were taken into account, a high risk for mutations was detected in patients who only smoked and in patients who only drank, but less so in patients who both smoked and drank. These results raise novel hypotheses regarding the role of tobacco and alcohol in EPC.
Collapse
Affiliation(s)
- N Malats
- Institut Municipal d'Investigació Mèdica, Hospital del Mar, Universitat Autònoma de Barcelona, Spain
| | | | | | | | | | | |
Collapse
|
23
|
Cardellach F, Corominas JM. [A 69-year-old woman with predominantly proximal muscle weakness for 6 years]. Med Clin (Barc) 1996; 107:107-14. [PMID: 8754499] [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: 02/02/2023]
Affiliation(s)
- F Cardellach
- Servicio de Medicina Interna General, Hospital Clínic i Provincial, Universidad de Barcelona
| | | |
Collapse
|
24
|
Abstract
The ultrastructural features of a case of severe hyperthyroid myopathy are presented. Along with the moderate increase in mitochondrial size and number usually observed in most patients with hyperthyroid myopathy, some of the skeletal muscle mitochondria in the present case also contained paracrystalline rectangular inclusions. This finding has not been previously reported in hyperthyroid myopathy and further supports the current view that mitochondrial abnormalities play a major role in the pathogenesis of muscle dysfunction in hyperthyroid patients.
Collapse
Affiliation(s)
- J Lloreta
- Department of Pathology, Hospital Universitari del Mar, Barcelona, Spain
| | | | | | | |
Collapse
|
25
|
Lloreta J, Orozco M, Gea J, Corominas JM, Serrano S. Selective diaphragmatic mitochondrial abnormalities in a patient with marked air flow obstruction. Ultrastruct Pathol 1996; 20:67-71. [PMID: 8789212 DOI: 10.3109/01913129609023240] [Citation(s) in RCA: 20] [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: 02/02/2023]
Abstract
There is increasing evidence that exercise overload induces changes in skeletal muscle structure and function. Recent studies suggest that muscle mitochondria could be involved either as the result or the origin of these changes. This study describes a case of a patient with marked air flow obstruction related to chronic obstructive pulmonary disease, in which large aggregates of mitochondria were found in diaphragm muscle fibers. Many of the mitochondria contained paracrystalline rectangular inclusions. Latissimus dorsi and intercostal muscles were also available for ultrastructural examination that showed, respectively, normal and moderately increased number of mitochondria with normal mitochondrial structure. This is the first known report of paracrystalline rectangular inclusions in respiratory skeletal muscle from a patient with chronic obstructive pulmonary disease.
Collapse
Affiliation(s)
- J Lloreta
- Department of Pathology, Hospital Universitari del Mar, Barcelona, Spain
| | | | | | | | | |
Collapse
|
26
|
Lloreta J, Serrano S, Corominas JM, Ferrés-Padró E. Polymorphous low-grade adenocarcinoma arising in the nasal cavities with an associated undifferentiated carcinoma. Ultrastruct Pathol 1995; 19:365-70. [PMID: 7483012 DOI: 10.3109/01913129509021908] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.1] [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]
Abstract
A case of polymorphous low-grade adenocarcinoma arising in the right nasal cavity of a male patient with previous history of kidney transplantation is reported. The tumor contained extensive areas of undifferentiated carcinoma, probably arising from the low-grade component. This combination of findings has not been previously reported in this variety of salivary gland tumor.
Collapse
Affiliation(s)
- J Lloreta
- Servei de Patologia, Hospital Universitari del Mar, Barcelona, Spain
| | | | | | | |
Collapse
|
27
|
Malats N, Porta M, Piñol JL, Corominas JM, Rifà J, Real FX. Ki-ras mutations as a prognostic factor in extrahepatic bile system cancer. PANK-ras I Project Investigators. J Clin Oncol 1995; 13:1679-86. [PMID: 7602358 DOI: 10.1200/jco.1995.13.7.1679] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.3] [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: 01/26/2023] Open
Abstract
PURPOSE To assess the prevalence and prognostic significance of Ki-ras codon 12 mutations in extrahepatic biliary system cancer (EBSC). PATIENTS AND METHODS Patients diagnosed with EBSC between 1980 and 1990 (N = 111) were selected from two hospitals. DNA was amplified from paraffin-embedded tissues and mutations in codon 12 of Ki-ras were detected using the artificial restriction fragment-length polymorphism (RFLP) technique. RESULTS Tissue was available from 68.5% of patients. The prevalence of mutations was 41%. There was no association between mutations and clinical and pathologic characteristics; however, mutations in Ki-ras were associated with survival, with a median survival duration of 7.7 months for patients with wild-type Ki-ras and 1.7 months for patients with mutated tumors (hazards ratio [HR] = 1.67; P = .075). Among patients with stage I to II tumors, the chance of dying of patients with the mutation was 7.8 times higher than that of patients without the mutation (P = .087); the corresponding HR for patients with stage III to IV disease was 2.9 (P = .003). After adjusting for age, tumor site, histology, differentiation, and stage, the HR for Ki-ras mutations was 2.12 (P = .026). CONCLUSION Ki-ras codon 12 mutations are an independent prognostic indicator in patients with EBSC. Mutation detection may be of help in the management of these patients.
Collapse
Affiliation(s)
- N Malats
- Departmetn of Epidemiology, Institut Municipal d'Investigació Mèdica, Barcelona, Spain
| | | | | | | | | | | |
Collapse
|
28
|
Orozco-Levi M, Gea J, Sauleda J, Corominas JM, Minguella J, Aran X, Broquetas JM. Structure of the latissimus dorsi muscle and respiratory function. J Appl Physiol (1985) 1995; 78:1132-9. [PMID: 7775307 DOI: 10.1152/jappl.1995.78.3.1132] [Citation(s) in RCA: 20] [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: 01/27/2023] Open
Abstract
The aim of this study was to evaluate whether respiratory function influences the structure of the latissimus dorsi muscle (LD). Twelve patients (58 +/- 10 yr) undergoing thoracotomy were studied. Lung and respiratory muscle function were evaluated before surgery. Patients showed a forced expired volume in 1 s (FEV1) of 67 +/- 16% of the reference value, an FEV1-forced vital capacity ratio of 69 +/- 9%, a maximal inspiratory pressure of 101 +/- 21% of the reference value, and a tension-time index of the diaphragm (TTdi) of 0.04 +/- 0.02. When patients were exposed to 8% CO2 breathing, TTdi increased to 0.06 +/- 0.03 (P < 0.05). The structural analysis of LD showed that 51 +/- 5% of the fibers were type I. The diameter was 56 +/- 9 microns for type I fibers and 61 +/- 9 microns for type II fibers, whereas the hypertrophy factor was 87 +/- 94 and 172 +/- 208 for type I and II fibers, respectively. Interestingly, the histogram distribution of the LD fibers was unimodal in two of the three individuals with normal lung function and bimodal (additional mode of hypertrophic fibers) in seven of the nine patients with chronic obstructive pulmonary disease. An inverse relationship was found between the %FEV1-forced vital capacity ratio and both the diameter of the fibers (type I: r = -0.773, P < 0.005; type II: r = -0.590, P < 0.05) and the hypertrophy factors (type I: r = -0.647, P < 0.05; type II: r = -0.575, P = 0.05).(ABSTRACT TRUNCATED AT 250 WORDS)
Collapse
Affiliation(s)
- M Orozco-Levi
- Servei de Pneumologia, Hospital del Mar, Universitat Autònoma de Barcelona, Spain
| | | | | | | | | | | | | |
Collapse
|
29
|
Affiliation(s)
- A Supervía
- Department of Internal Medicine, Hospital del Mar, Barcelona, Spain
| | | | | | | | | |
Collapse
|
30
|
Roquer J, Pomarol E, Corominas JM, Pou Serradell A. [Axillary skin biopsy: a reliable diagnostic test for Lafora's disease]. Neurologia 1994; 9:431-2. [PMID: 7811498] [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] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
|
31
|
Affiliation(s)
- O Bielsa
- Department of Urology, Hospital del Mar, Universitat Autonoma de Barcelona, Spain
| | | | | | | | | |
Collapse
|
32
|
Real FX, Vilá MR, Skoudy A, Ramaekers FC, Corominas JM. Intermediate filaments as differentiation markers of exocrine pancreas. II. Expression of cytokeratins of complex and stratified epithelia in normal pancreas and in pancreas cancer. Int J Cancer 1993; 54:720-7. [PMID: 7686885 DOI: 10.1002/ijc.2910540503] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.2] [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: 01/26/2023]
Abstract
Cytokeratin (CK) expression in tumors generally reflects the CK pattern of the corresponding normal epithelium. Pancreas cancers express CK of simple epithelia 7, 8, 18 and 19, as normal ductal cells. To analyze whether CK of complex or stratified epithelia are abnormally expressed in pancreas cancers, we have used polypeptide-specific mouse monoclonal antibodies (MAbs) detecting CK 5, CK 10, CK 13, CK 14 and CK 17, and an antibody detecting CK 13, CK 15 and CK 16. The streptavidin-peroxidase technique was applied on sections of fresh-frozen specimens of normal pancreas and of pancreas cancer. None of these polypeptides were expressed by normal acinar and centro-acinar cells. CK 5, CK 14 and CK 17 were expressed by less than 5% of cells in normal ducts, whereas CK 10, CK 13, CK 15 and CK 16 were not expressed at all. In tumors, CK 14, CK 15/16 and CK 17 were detected in the majority of cases studied; CK 5, CK 10 and CK 13 were present in a sub-population of pancreas cancers. CK of complex/stratified epithelia were detected in areas of glandular differentiation, but expression was more intense in areas of squamous differentiation. In pancreatitis adjacent to cancer, CK of complex/stratified epithelia were weakly detected or undetectable. These results suggest that up-regulation of these CK takes place in pancreas cancer. The CK phenotype may be of help in the differential diagnosis of this tumor.
Collapse
Affiliation(s)
- F X Real
- Departament d'Immunologia, Universitat Autònoma de Barcelona, Spain
| | | | | | | | | |
Collapse
|
33
|
Abstract
A case of renal zygomycosis due to Absidia corymbifera in an heroin addict suffering from AIDS (phase IV C2) is described. Diagnosis was by histopathology after nephrectomy, but A. corymbifera was isolated several times from urine and from the exudate from a fistula in the surgical wound. After amphotericin B treatment (1.5 g overall dose) clinical cure and negative cultures were obtained. No relapses were observed until death 1 year later from Pneumocystis carinii pneumonia.
Collapse
|
34
|
Bielsa O, Vesa Llanes J, Arango Toro O, Llado Carbonell C, Prieto V, Corominas JM, Gelabert Mas A. [Undifferentiated small cell carcinoma of the urinary bladder. Clinicopathologic and immunohistochemical study]. ARCH ESP UROL 1993; 46:525-7. [PMID: 8397496] [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: 01/30/2023]
Abstract
Small cell carcinoma of the bladder ("oat cell") is a very uncommon tumor. Its sudden onset, rapid progression to an often fatal outcome and early metastatic spread are the main clinical features of this tumor. Immunohistochemical staining for neuroendocrine markers is positive in a large number of cases. A case of small cell carcinoma of the bladder is described. The clinical course of the patient, as well as the histopathological and immunohistochemical findings are presented.
Collapse
Affiliation(s)
- O Bielsa
- Servicios de Urología, Hospital Universitario del Mar, Facultad de Medicina, Universidad Autónoma de Barcelona, España
| | | | | | | | | | | | | |
Collapse
|
35
|
Coll J, Tomás S, Corominas JM, Gutiérrez J. Sicca syndrome associated with human immunodeficiency virus infection: an immunohistochemical study. Arthritis Rheum 1993; 36:875-6. [PMID: 8507231 DOI: 10.1002/art.1780360621] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- J Coll
- Hospital del Mar, Universidad Autónoma de Barcelona, Spain
| | | | | | | |
Collapse
|
36
|
Doménech M, Tusquets I, Fabregat X, Vadell C, Corominas JM, Knobel H. [Acquired immunodeficiency syndrome and T-cell non-Hodgkin's lymphoma]. Med Clin (Barc) 1992; 99:225-6. [PMID: 1507913] [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: 12/27/2022]
Abstract
The clinical observation of a 40 years old male presenting acquired immune deficiency syndrome and T-cell non Hodgkin's lymphoma is presented. The patient was treated with COMET-A regimen (cyclophosphamide, vincristine, methotrexate, etoposide and cytarabine) and a complete remission was obtained.
Collapse
Affiliation(s)
- M Doménech
- Servicio de Oncología Médica, Hospital de l'Esperança, Barcelona
| | | | | | | | | | | |
Collapse
|
37
|
Guzmán Fernández A, Cortadellas Angel R, Castellanos R, Pérez Herms S, Corominas JM, Ballesteros JJ. [Solitary contralateral, asynchronous adrenal metastasis of renal adenocarcinoma. Review of the literature]. ARCH ESP UROL 1991; 44:701-3. [PMID: 1772274] [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]
Abstract
A case of solitary, contralateral, asynchronous adrenal metastasis that appeared 5 years following nephrectomy is described herein. To our knowledge, ours is the fifth case reported in the world literature.
Collapse
Affiliation(s)
- A Guzmán Fernández
- Servicio de Urología y Unidad Quirúrgica de trasplante renal, Hospital Ntra. Sra. de la Esperanza, Barcelona, España
| | | | | | | | | | | |
Collapse
|
38
|
Roquer J, Cano A, Prieto V, Corominas JM. [Inflammatory signs as a histological finding in oculopharyngeal dystrophy]. Neurologia 1990; 5:333-4. [PMID: 2100135] [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] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
|
39
|
Ballesteros JJ, Morales C, Guzmán A, Corominas JM, Manzano I. Unusual Clinical Presentation of Prostatic Malakoplakia: Literature Review. Urologia 1988. [DOI: 10.1177/039156038805500622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- J. J. Ballesteros
- Hospital Ntra. Sra. de la Esperanza, Barcelona (España), Servicio de Urologia y Unitad Quirurgica de Transplante Renal
| | | | | | | | | |
Collapse
|
40
|
Roquer J, Herraiz J, Corominas JM. [Axonal polyneuritis and macrocytosis: initial signs of vitamin B12 deficiency presenting as intermittent paresthetic claudication]. Med Clin (Barc) 1988; 90:745-7. [PMID: 3172874] [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] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
|
41
|
Abstract
A case of a primary cutaneous lymphoplasmacytic lymphoma synthesizing IgG lambda chains is reported. Immunohistochemical studies were done with the use of antihuman immunoglobulin antisera and monoclonal antibodies against T cell antigens. These studies reveal an unusual pattern of immunoglobulin production (IgG lambda chains) and an important population of accessory cells (T cells and Langerhans cells).
Collapse
|
42
|
Lloveras J, Munne A, Serrano S, Corominas JM, Cuevas X, Masramon J. Lymphocyte subpopulations in renal biopsies of transplant patients treated with cyclosporine. Transplant Proc 1987; 19:1660-1. [PMID: 3274400] [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: 01/05/2023]
Affiliation(s)
- J Lloveras
- Hospital GMD L'Esperanca, Barcelona, Spain
| | | | | | | | | | | |
Collapse
|
43
|
Pascual E, Corominas JM. [A 49-year-old male with lumbago, right knee arthritis and calcification of the intervertebral disks]. Med Clin (Barc) 1986; 87:204-13. [PMID: 2942736] [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] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
|
44
|
Ballesteros JJ, Corominas JM, Gelabert A, Guzmán A. [Retroperitoneal xanthogranuloma. Pelvic localization]. Actas Urol Esp 1985; 9:355-60. [PMID: 4050563] [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] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
|
45
|
Camprodon R, Clotet B, Corominas JM. [Ceroid granuloma of the gallbladder]. Rev Esp Enferm Apar Dig 1984; 65:76-9. [PMID: 6701364] [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: 01/21/2023]
|