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Cardoso PHM, Moreno LZ, Ikuta CY, Rodrigues MV, Donola ST, Heinemann MB, Balian SC, Moreno AM. Isolation of potential zoonotic Mycobacterium spp. from diseased freshwater angelfish (Pterophyllum scalare) from an aquarium. BRAZ J BIOL 2024; 84:e262851. [DOI: 10.1590/1519-6984.262851] [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] [Received: 04/06/2022] [Accepted: 05/13/2022] [Indexed: 11/21/2022] Open
Abstract
Abstract Nontuberculous mycobacteria infection is one of the most common chronic bacterial diseases in ornamental aquarium fish and appears to be directly related to stressful husbandry practices. Furthermore, it also represents zoonotic potential. Here we present the isolation and characterization of non-tuberculous mycobacteria from diseased freshwater angelfish (Pterophyllum scalare) in São Paulo, Brazil. Nine discarded breeding females with signs of disease were evaluated. The fish exhibited lethargy, loss of appetite, cachexia, skin ulcers, and exophthalmia. At necropsy, four fishes presented macroscopic granulomas in the spleen. Mycobacterium chelonae, M. fortuitum, M. gordonae, M. intracellulare and M. peregrinum were isolated and identified by hsp65 PCR restriction analysis. Histopathological analysis revealed microscopic lesions compatible with mycobacteriosis, and Mycobacterium bacillus were observed by Ziehl-Neelsen stain. Notably, all Mycobacterium species identified in this study have already been reported in human patients; therefore, diseased animals may be a source of infection for people who handle fish and aquariums.
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Affiliation(s)
| | | | | | - M. V. Rodrigues
- Universidade Estadual Paulista “Júlio de Mesquita Filho”, Brasil
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2
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Barbosa FB, Santos BQ, Rocha VGP, Franco LS, Saidenberg ABS, Moreno AM, Knöbl T. Detection of high-risk Avian Pathogenic Escherichia coli (APEC) isolated from broilers in São Paulo, Brazil. Braz J Microbiol 2023; 54:2471-2475. [PMID: 37341945 PMCID: PMC10485226 DOI: 10.1007/s42770-023-01023-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Accepted: 05/09/2023] [Indexed: 06/22/2023] Open
Abstract
Some high-risk Avian Pathogenic Escherichia coli (APEC) clones have been associated with increased economic losses caused by avian colibacillosis. They may represent an additional food consumption concern due to the potential zoonotic role causing urinary tract infections mainly related to E. coli ST73 and ST95 lineages. This study aimed to characterize APEC isolated from slaughterhouse carcasses presenting lesions compatible with avian colibacillosis. We analyzed about 6500 broilers carcasses, and 48 showed lesions consistent with colibacillosis. Forty-four strains of E. coli were isolated, with 77.27% (n = 34/44) classified as APEC. The isolates belonged to the phylogenetic groups B2 (41.17%, n = 14/34), G (20.59%, n = 7/34), A (17.65%, n = 6/34), B1 (8.82%, n = 3/34), and E (5.88%, n = 2/34). Determining the phylogenetic group of 5.88% (n = 2/34) of the strains was impossible. Moreover, 20.59% (n = 7/34) were positive to the clonal groups ST117, 8.82% (n = 3/34) to ST95, and 8.82% (n = 3/34) were classified as belonging to serogroup O78 by PCR screening. Strains of APEC from O78 serogroup and ST117 are considered high-risk clones for poultry, and our data reinforced the need for surveillance of these pathogens in poultry farms and slaughterhouses.
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Affiliation(s)
- F B Barbosa
- School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil.
| | - B Q Santos
- School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
| | - V G P Rocha
- School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
| | - L S Franco
- School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
| | - A B S Saidenberg
- School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
| | - A M Moreno
- School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
| | - T Knöbl
- School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
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3
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de Nicolas-Ruanes B, Vivancos MJ, Azcarraga-Llobet C, Moreno AM, Rodriguez-Dominguez M, Berna-Rico ED, Garcia-Mouronte E, Carron-Herrero A, McGee A, Galan JC, Moreno S, Jaen-Olasolo P, Fernandez-Gonzalez P. Monkeypox virus case with maculopapular exanthem and proctitis during the Spanish outbreak in 2022. J Eur Acad Dermatol Venereol 2022; 36:e658-e660. [PMID: 35675097 DOI: 10.1111/jdv.18300] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Accepted: 06/03/2022] [Indexed: 11/26/2022]
Affiliation(s)
- B de Nicolas-Ruanes
- Department of Dermatology, University Hospital Ramon y Cajal and IRYCIS, Universidad de Alcala, Madrid, Spain
| | - M J Vivancos
- Department of Infectious Diseases, University Hospital Ramon y Cajal and IRYCIS, Universidad de Alcala, Madrid, Spain.,CIBER de Enfermedades Infecciosas, Madrid, Spain
| | - C Azcarraga-Llobet
- Department of Dermatology, University Hospital Ramon y Cajal and IRYCIS, Universidad de Alcala, Madrid, Spain
| | - A M Moreno
- Department of Infectious Diseases, University Hospital Ramon y Cajal and IRYCIS, Universidad de Alcala, Madrid, Spain.,CIBER de Enfermedades Infecciosas, Madrid, Spain
| | - M Rodriguez-Dominguez
- Department of Microbiology, University Hospital Ramon y Cajal and IRYCIS, Universidad de Alcala, Madrid, Spain.,CIBER en Epidermiología y Salud Pública (CIBERESP), Madrid, Spain
| | - E D Berna-Rico
- Department of Dermatology, University Hospital Ramon y Cajal and IRYCIS, Universidad de Alcala, Madrid, Spain
| | - E Garcia-Mouronte
- Department of Dermatology, University Hospital Ramon y Cajal and IRYCIS, Universidad de Alcala, Madrid, Spain
| | - A Carron-Herrero
- Department of Dermatology, University Hospital Ramon y Cajal and IRYCIS, Universidad de Alcala, Madrid, Spain
| | - A McGee
- Department of Preventive Medicine and Public Health, University Hospital Ramon y Cajal, Madrid, Spain
| | - J C Galan
- Department of Microbiology, University Hospital Ramon y Cajal and IRYCIS, Universidad de Alcala, Madrid, Spain.,CIBER en Epidermiología y Salud Pública (CIBERESP), Madrid, Spain
| | - S Moreno
- Department of Infectious Diseases, University Hospital Ramon y Cajal and IRYCIS, Universidad de Alcala, Madrid, Spain.,CIBER de Enfermedades Infecciosas, Madrid, Spain
| | - P Jaen-Olasolo
- Department of Dermatology, University Hospital Ramon y Cajal and IRYCIS, Universidad de Alcala, Madrid, Spain
| | - P Fernandez-Gonzalez
- Department of Dermatology, University Hospital Ramon y Cajal and IRYCIS, Universidad de Alcala, Madrid, Spain
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4
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Paiano RB, Moreno LZ, Gomes VTM, Parra BM, Barbosa MR, Sato MIZ, Bonilla J, Pugliesi G, Baruselli PS, Moreno AM. Assessment of the main pathogens associated with clinical and subclinical endometritis in cows by culture and MALDI-TOF mass spectrometry identification. J Dairy Sci 2022; 105:3367-3376. [PMID: 35181136 DOI: 10.3168/jds.2021-20642] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 01/03/2022] [Indexed: 11/19/2022]
Abstract
Clinical endometritis (CE) and subclinical endometritis (SCE) are diseases that affect dairy cows during the puerperium, causing negative effects on the animals' milk production and fertility. The objective of this study was to assess the main bacteria related to cases of CE and SCE from uterine samples of dairy cows in Brazilian herds. Selective and differential media were used for isolation of aerobic and anaerobic bacteria and further MALDI-TOF mass spectrometry (MS) identification. A total of 279 lactating dairy cows with 28 to 33 d in milk from 6 commercial farms were evaluated. Initially, cows were classified in 3 groups: cytologic healthy cows (n = 161), cows with CE (n = 83), and cows with SCE (n = 35). Healthy animals presented 97 species, followed by the CE group with 53 identified species, and SCE cows presented only 21 bacterial species. We found a significantly higher isolation rate of Trueperella pyogenes in CE (26.5%) cows compared with healthy and SCE cows. Some anaerobic species were exclusively isolated from the CE group, even though they presented lower frequency. Interestingly, 18.1% of samples from CE cows and 40% of SCE cows were negative to bacterial isolation. Despite the use of culture-dependent methods instead of molecular methods, the present study enabled the identification of a complex community of 127 different species from 48 genera, composed of aerobic and anaerobic bacterial species among the 3 different animal groups. The method of sample collection, culture, and identification by MALDI-TOF MS were essential for the success of the analyses.
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Affiliation(s)
- R B Paiano
- Department of Animal Reproduction, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, SP 05508270, Brazil.
| | - L Z Moreno
- Department of Preventive Veterinary Medicine and Animal Health, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, SP 05508 270, Brazil
| | - V T M Gomes
- Department of Preventive Veterinary Medicine and Animal Health, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, SP 05508 270, Brazil
| | - B M Parra
- Department of Preventive Veterinary Medicine and Animal Health, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, SP 05508 270, Brazil
| | - M R Barbosa
- Environmental Company of the State of São Paulo (CETESB), São Paulo, SP 05459-900, Brazil
| | - M I Z Sato
- Environmental Company of the State of São Paulo (CETESB), São Paulo, SP 05459-900, Brazil
| | - J Bonilla
- Department of Food Engineering, College of Animal Science and Food Engineering, University of São Paulo, Pirassununga, SP 13635900, Brazil
| | - G Pugliesi
- Department of Animal Reproduction, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, SP 05508270, Brazil
| | - P S Baruselli
- Department of Animal Reproduction, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, SP 05508270, Brazil
| | - A M Moreno
- Department of Preventive Veterinary Medicine and Animal Health, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, SP 05508 270, Brazil.
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5
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Davies YM, Franco LS, Barbosa FB, Vanin CL, Gomes VTM, Moreno LZ, Barbosa MRF, Sato MIZ, Moreno AM, Knöbl T. Use of MALDI-TOF for identification and surveillance of gram-negative bacteria in captive wild psittacines. BRAZ J BIOL 2021; 82:e233523. [PMID: 33787713 DOI: 10.1590/1519-6984.233523] [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] [Received: 01/30/2020] [Accepted: 08/08/2020] [Indexed: 11/22/2022] Open
Abstract
Microbiological studies of the sanitary and health status of psittacine birds that will be reintroduced is important in evaluating whether these animals act as carriers of pathogenic agents to other animals and humans. Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) is a faster and more accurate method to identify bacteria than conventional microbiology methods. The aim of this study was to evaluate the health status of psittacines housed in captivity, by assessment of Gram-negative bacteria from fecal microbiota through MALDI- TOF MS identification. The results indicate high frequency of Gram-negative bacteria in feces (96.5%), especially from the Enterobacteriaceae family (88.7%). The most prevalent bacteria were Escherichia coli (39.0%), Proteus vulgaris (12.2%), Klebsiella spp. (12.1%) and Raoultella ornithinolytica (8.7%). Proteus hauseri, Citrobacter spp., Morganella morgannii, Providencia rettgeri, Enterobacter spp. and Escherichia hermannii were isolated with lower frequency. . All these agents are potentially pathogenic for parrots and can cause systemic infections in other animals and humans. These findings reinforce that MALDI- TOF MS proved to be a rapid and accurate method of identification of the microorganism and evaluation of the health status of psittacines, providing relevant data to assist decision-making regarding the sanitary protocols in wildlife centers, and possible future reintroduction of wild birds.
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Affiliation(s)
- Y M Davies
- Universidade de São Paulo - USP, Departamento de Patologia da Faculdade de Medicina Veterinária e Zootecnia, São Paulo, SP, Brasil
| | - L S Franco
- Universidade de São Paulo - USP, Departamento de Patologia da Faculdade de Medicina Veterinária e Zootecnia, São Paulo, SP, Brasil
| | - F B Barbosa
- Universidade de São Paulo - USP, Departamento de Patologia da Faculdade de Medicina Veterinária e Zootecnia, São Paulo, SP, Brasil
| | - C L Vanin
- Departamento de Fauna da Secretaria de Infraestrutura e Meio Ambiente do estado de São Paulo, São Paulo, SP, Brasil
| | - V T M Gomes
- Universidade de São Paulo - USP, Departamento de Medicina Veterinária Preventiva e Saúde Animal da Faculdade de Medicina Veterinária e Zootecnia, São Paulo, SP, Brasil
| | - L Z Moreno
- Universidade de São Paulo - USP, Departamento de Medicina Veterinária Preventiva e Saúde Animal da Faculdade de Medicina Veterinária e Zootecnia, São Paulo, SP, Brasil
| | - M R F Barbosa
- Companhia Ambiental do Estado de São Paulo - CETESB, São Paulo, SP, Brasil
| | - M I Z Sato
- Companhia Ambiental do Estado de São Paulo - CETESB, São Paulo, SP, Brasil
| | - A M Moreno
- Universidade de São Paulo - USP, Departamento de Medicina Veterinária Preventiva e Saúde Animal da Faculdade de Medicina Veterinária e Zootecnia, São Paulo, SP, Brasil
| | - T Knöbl
- Universidade de São Paulo - USP, Departamento de Patologia da Faculdade de Medicina Veterinária e Zootecnia, São Paulo, SP, Brasil
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6
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Davies YM, Cunha MPV, Oliveira MGX, Oliveira MCV, Philadelpho N, Romero D, Milanelo L, Guimarães MB, Ferreira AJP, Moreno AM, Sá LRM, Knöbl T. Virulence and antimicrobial resistance ofKlebsiella pneumoniaeisolated from passerine and psittacine birds. Avian Pathol 2016; 45:194-201. [DOI: 10.1080/03079457.2016.1142066] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [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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7
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Gioia-Di Chiacchio RM, Cunha MPV, Sturn RM, Moreno LZ, Moreno AM, Pereira CBP, Martins FH, Franzolin MR, Piazza RMF, Knöbl T. Shiga toxin-producing Escherichia coli (STEC): Zoonotic risks associated with psittacine pet birds in home environments. Vet Microbiol 2016; 184:27-30. [PMID: 26854341 DOI: 10.1016/j.vetmic.2016.01.004] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2015] [Revised: 12/03/2015] [Accepted: 01/01/2016] [Indexed: 12/30/2022]
Abstract
Psittacidae are frequently bred as pets worldwide, but little is known about the zoonotic risks of these animals. The objective of this study was to investigate the presence of Shiga toxin-producing Escherichia coli (STEC) in the feces of psittacine birds housed as pets. A total of 171 fecal samples (67 cockatiels, 59 budgerigars, and 45 agapornis) were cultured. Forty-two (E. coli) strains were identified, and the presence of the eae, stx1, and stx2 genes was determined using PCR. The antimicrobial resistance profiles of the STEC strains were determined using the disk diffusion method and phylogenetic analysis according to the new Clermont phylotyping method. Using these methods, 19.4% (8/42) of the STEC strains were determined to be positive for the eae and stx2 genes. The results revealed a STEC frequency of 4.6% in the birds (8/171), with a percentage of 8.47% in budgerigars (5/59), 4.47% in cockatiels (3/67), and 0% in agapornis (0/45). None of the STEC isolates belonged to the O157 serogroup. Most of the strains were classified as sensitive to the 18 antibiotics tested. None of the strains exhibited a multiresistance profile. In the phylogenetic analysis, two strains were classified as non-typeable, three were classified as B2, two were classified as F, and one was classified as Clade I. Seven of the eight STEC strains showed a clonal profile using AFLP. E. coli strains that are stx2(+) plus eae(+) are usually associated with severe human diseases such as hemorrhagic colitis and hemolytic-uremic syndrome. The STEC-positive results indicate the zoonotic risk of breeding psittacidae in home environments.
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Affiliation(s)
- R M Gioia-Di Chiacchio
- FMVZ-USP-Faculdade de Medicina Veterinária e Zootecnia, University of São Paulo, São Paulo, Brazil.
| | - M P V Cunha
- FMVZ-USP-Faculdade de Medicina Veterinária e Zootecnia, University of São Paulo, São Paulo, Brazil
| | - R M Sturn
- FMVZ-USP-Faculdade de Medicina Veterinária e Zootecnia, University of São Paulo, São Paulo, Brazil
| | - L Z Moreno
- FMVZ-USP-Faculdade de Medicina Veterinária e Zootecnia, University of São Paulo, São Paulo, Brazil
| | - A M Moreno
- FMVZ-USP-Faculdade de Medicina Veterinária e Zootecnia, University of São Paulo, São Paulo, Brazil
| | - C B P Pereira
- Instituto Butantan, Bacteriology Laboratory, São Paulo, Brazil
| | - F H Martins
- Instituto Butantan, Bacteriology Laboratory, São Paulo, Brazil
| | - M R Franzolin
- Instituto Butantan, Bacteriology Laboratory, São Paulo, Brazil
| | - R M F Piazza
- Instituto Butantan, Bacteriology Laboratory, São Paulo, Brazil
| | - T Knöbl
- FMVZ-USP-Faculdade de Medicina Veterinária e Zootecnia, University of São Paulo, São Paulo, Brazil
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Chiari M, Prosperi A, Faccin F, Avisani D, Cerioli M, Zanoni M, Bertoletti M, Moreno AM, Bruno R, Monaco F, Farioli M, Lelli D, Lavazza A. West Nile Virus Surveillance in the Lombardy Region, Northern Italy. Transbound Emerg Dis 2015; 62:343-9. [PMID: 25958924 DOI: 10.1111/tbed.12375] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2014] [Indexed: 01/09/2023]
Abstract
In 2013, the circulation of West Nile virus (WNV) was detected in the Lombardy region and the following year a surveillance programme was activated with the aim of early identification of the viral distribution in mosquitoes and wild birds. A total of 50 959 Culex spp. mosquitoes grouped in six hundred and forty-seven pools as well as 1400 birds were screened by RT-PCR for the presence of West Nile virus leading to the identification of the viral genome in 32 mosquito pools and 13 wild birds. The surveillance was able to detect the WNV circulation on an average of 42 days (CI 95% 29.98-53.86; Student's t-distribution) before the occurrence of human West Nile disease (WND) cases in the same area. These results demonstrate the presence of WNV in the Lombardy region and confirm entomological and wild birds surveillance as an effective measure for the early identification of WNV circulation in infected areas, thus providing a useful and cost-effective tool for the public health authorities in the application of measures to prevent human infection.
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Affiliation(s)
- M Chiari
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia Romagna "Bruno Ubertini", Brescia, Italy
| | - A Prosperi
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia Romagna "Bruno Ubertini", Brescia, Italy
| | - F Faccin
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia Romagna "Bruno Ubertini", Brescia, Italy
| | - D Avisani
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia Romagna "Bruno Ubertini", Brescia, Italy
| | - M Cerioli
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia Romagna "Bruno Ubertini", Brescia, Italy
| | - M Zanoni
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia Romagna "Bruno Ubertini", Brescia, Italy
| | - M Bertoletti
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia Romagna "Bruno Ubertini", Brescia, Italy
| | - A M Moreno
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia Romagna "Bruno Ubertini", Brescia, Italy
| | - R Bruno
- Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise ''G. Caporale'', Teramo, Italy
| | - F Monaco
- Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise ''G. Caporale'', Teramo, Italy
| | - M Farioli
- U.O. Veterinaria, Regione Lombardia, Milano, Italy
| | - D Lelli
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia Romagna "Bruno Ubertini", Brescia, Italy
| | - A Lavazza
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia Romagna "Bruno Ubertini", Brescia, Italy
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Moreno AM, Castro RRT, Silva BM, Villacorta H, Sant'Anna Junior M, Nóbrega ACL. Intercostal and forearm muscle deoxygenation during respiratory fatigue in patients with heart failure: potential role of a respiratory muscle metaboreflex. ACTA ACUST UNITED AC 2014. [PMID: 25296359 PMCID: PMC4230287 DOI: 10.1590/1414-431x20143896] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The purpose of this study was to determine the effect of respiratory muscle fatigue
on intercostal and forearm muscle perfusion and oxygenation in patients with heart
failure. Five clinically stable heart failure patients with respiratory muscle
weakness (age, 66±12 years; left ventricle ejection fraction, 34±3%) and nine matched
healthy controls underwent a respiratory muscle fatigue protocol, breathing against a
fixed resistance at 60% of their maximal inspiratory pressure for as long as they
could sustain the predetermined inspiratory pressure. Intercostal and forearm muscle
blood volume and oxygenation were continuously monitored by near-infrared
spectroscopy with transducers placed on the seventh left intercostal space and the
left forearm. Data were compared by two-way ANOVA and Bonferroni correction.
Respiratory fatigue occurred at 5.1±1.3 min in heart failure patients and at 9.3±1.4
min in controls (P<0.05), but perceived effort, changes in heart rate, and in
systolic blood pressure were similar between groups (P>0.05). Respiratory fatigue
in heart failure reduced intercostal and forearm muscle blood volume (P<0.05)
along with decreased tissue oxygenation both in intercostal (heart failure,
-2.6±1.6%; controls, +1.6±0.5%; P<0.05) and in forearm muscles (heart failure,
-4.5±0.5%; controls, +0.5±0.8%; P<0.05). These results suggest that respiratory
fatigue in patients with heart failure causes an oxygen demand/delivery mismatch in
respiratory muscles, probably leading to a reflex reduction in peripheral limb muscle
perfusion, featuring a respiratory metaboreflex.
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Affiliation(s)
- A M Moreno
- Procordis Hospital Cardiológico, Niterói, RJ, Brasil
| | - R R T Castro
- Programa de Pós-graduação em Ciências Cardiovasculares, Universidade Federal Fluminense, Niterói, RJ, Brasil
| | - B M Silva
- Departamento de Fisiologia e Farmacologia, Universidade Federal Fluminense, Niterói, RJ, Brasil
| | - H Villacorta
- Programa de Pós-graduação em Ciências Cardiovasculares, Universidade Federal Fluminense, Niterói, RJ, Brasil
| | | | - A C L Nóbrega
- Departamento de Fisiologia e Farmacologia, Universidade Federal Fluminense, Niterói, RJ, Brasil
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10
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Robacker DC, Moreno AM, Garcia JA, Flath RA. A novel attractant for Mexican fruit fly,Anastrepha ludens, from fermented host fruit. J Chem Ecol 2013; 16:2799-815. [PMID: 24263255 DOI: 10.1007/bf00979474] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/1990] [Accepted: 04/09/1990] [Indexed: 11/25/2022]
Abstract
Chemicals from fermented chapote fruit were identified and evaluated as attractants for hungry adult Mexican fruit flies in laboratory and greenhouse bioassays. Twenty-eight chemicals identified from an attractive gas-chromatography fraction were as attractive as a chapote volatiles extract (CV) when mixed in the same amounts found in CV. Sixteen of the chemicals were slightly attractive to flies when tested individually. A mixture containing 15 of the chemicals by design and the 16th as an impurity, in arbitrary concentrations, was at least as attractive as the original CV. In a series of experiments, the number of chemicals was reduced to three by elimination of unnecessary components. The three-component mixture retained the attractiveness of the 15-component mixture. The three chemicals were 1,8-cineole, ethyl hexanoate, and hexanol (CEH). Attractiveness of the three-chemical mixture was equal to the sum of the attractiveness of the three individual components, suggesting that each chemical binds to a different receptor type that independently elicits partial attraction behavior. Optimal ratios were 10∶1∶1 of the three chemicals, respectively. Optimal test quantities ranged between 0.4-4Μg of 1,8-cineole and 40-400 ng each of ethyl hexanoate and hexanol applied to filter paper in the laboratory bioassays. A neat 10∶1∶1 mixture of the chemicals was 1.8 times more attractive than aqueous solutions ofTorula dried yeast and borax to starved 2-day-old flies when the lures were tested in competing McPhail traps in a large greenhouse cage.
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Affiliation(s)
- D C Robacker
- Crop Quality and Fruit Insects Research, ARS, USDA, 2301 South International Blvd., 78596, Weslaco, Texas
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11
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Gómez-Arnau JI, Otero MJ, Bartolomé A, Errando CL, Amal D, Moreno AM, Puebla G, Marzal JM, Santa Ursula JA, González R, Pérez M, García del Valle S, González A, Domínguez-Gil A. [Labeling of injectable drugs used in anesthesia]. Rev Esp Anestesiol Reanim 2011; 58:375-383. [PMID: 21797088 DOI: 10.1016/s0034-9356(11)70087-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Affiliation(s)
- J I Gómez-Arnau
- Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid.
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12
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Galera-Ruiz H, Ríos MJ, González-Cámpora R, de Miguel M, Carmona MI, Moreno AM, Galera-Davidson H. The cadherin-catenin complex in nasopharyngeal carcinoma. Eur Arch Otorhinolaryngol 2011; 268:1335-41. [PMID: 21240516 PMCID: PMC3149677 DOI: 10.1007/s00405-010-1464-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2010] [Accepted: 12/07/2010] [Indexed: 01/12/2023]
Abstract
Abnormal Wnt signaling and impaired cell–cell adhesion due to abnormal E-cadherin and β-catenin function have been implicated in many cancers, but have not been fully explored in nasopharyngeal carcinoma. The aim of this study was to analyze β-Catenin cellular location and E-cadherin expression levels in nasopharyngeal carcinoma. E-cadherin expression levels were also correlated with clinical data and underlying pathology. β-Catenin and E-cadherin expression were examined in 18 nasopharyngeal carcinoma and 7 non-tumoral inflammatory pharynx tissues using immunohistochemical methods. Patient clinical data were collected, and histological evaluation was performed by hematoxylin/eosin staining. β-catenin was detected in membrane and cytoplasm in all cases of nasopharyngeal carcinoma, regardless of histological type; in non-tumoral tissues, however, β-catenin was observed only in the membrane. As for E-cadherin expression levels, strong staining was observed in most non-tumoral tissues, but staining was only moderate in nasopharyngeal carcinoma tissues. E-cadherin expression was associated with β-catenin localization, study group, metastatic disease, and patient outcomes. Reduced levels of E-cadherin protein observed in nasopharyngeal carinoma may play an important role in invasion and metastasis. Cytoplasmic β-catenin in nasopharyngeal carcinoma may impair cell–cell adhesion, promoting invasive behavior and a metastatic tumor phenotype.
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Affiliation(s)
- H Galera-Ruiz
- Dpto. Cirugía Facultad de Medicina, Universidad de Sevilla, 41009, Sevilla, Spain
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13
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14
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Abstract
OBJECTIVE To describe the long-term outcome after primary diagnosis of diverticular disease (DD) with respect to demographics, lifestyle, severity of disease and primary treatment. METHOD Retrospective cohort study of all 445 consecutive patients admitted to the department during 1989-1995 with the diagnosis DD with prospective follow up. Follow up was performed on all patients during May 2002 by searching the Danish Patient Register and National Register. Logistic regression analyses were applied for defining risk factors for readmission or death. For defined risk factors Kaplan-Meier survival statistics was performed. RESULTS The male/female ratio was 30/70. Median age was 75 years (men being younger than women, P < 0.01). About 73% received conservative treatment primarily. At follow up 35.3% had suffered clinical recurrence of DD, of these 15.9% were subsequently operated. However, 3.6% of the patients died of causes related to diverticulitis. Possible high-risk groups for recurrence were males and their age above 70 years. CONCLUSION Age and sex are possible predictors for recurrence of DD. Elective surgery seems not to be justified after just one attack of DD.
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Affiliation(s)
- A M Moreno
- Department of Surgery K, Bispebjerg Hospital, University of Copenhagen, Copenhagen, Denmark
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15
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Castro AMMG, Cortez A, Ruiz VLA, Leomil H, Moreno AM, Doto DS, Richtzenhain LJ. Detection and differentiation of porcine circoviruses in Brazilian pigs. Vet Rec 2004; 154:728-9. [PMID: 15214518 DOI: 10.1136/vr.154.23.728] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Affiliation(s)
- A M M G Castro
- Department of Preventive Veterinary Medicine and Animal Health, University of São Paulo, São Paulo, 05508-900, Brazil
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16
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Batchu RB, Moreno AM, Szmania S, Gupta SK, Zhan F, Rosen N, Kozlowski M, Spencer T, Spagnoli GC, Shaughnessy J, Barlogie B, Tricot G, van Rhee F. High-level expression of cancer/testis antigen NY-ESO-1 and human granulocyte-macrophage colony-stimulating factor in dendritic cells with a bicistronic retroviral vector. Hum Gene Ther 2004; 14:1333-45. [PMID: 14503968 DOI: 10.1089/104303403322319417] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [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] Open
Abstract
Tumor-specific genes delivered to dendritic cells (DCs) have been used for the generation of cytotoxic T cells (CTLs), but their application has been limited on the one hand by low viral titers resulting in low transduction efficiency and poor protein production, and on the other hand by immunogenicity of the selectable marker and poor viability of the DCs. We addressed these limitations by creating a multipurpose master vector (pMV) and cloning the tumor gene NY-ESO-1, which is highly expressed in more than 50% of advanced myeloma patients. pMV was constructed from a Moloney murine leukemia virus (Mo-MuLV)-based retroviral backbone with the following features: (1) an extended packaging signal to achieve high viral titers, (2) a splice acceptor region to facilitate protein production, (3) a nonimmunogenic selectable marker, dihydrofolate reductase-L22Y (DHFR(L22Y)), to exclude the generation of CTLs against the selectable marker, (4) an internal ribosomal entry site between the tumor-specific gene (NY-ESO-1) and the selectable marker DHFR(L22Y) for coexpression of two heterologous gene products from a single bicistronic mRNA, minimizing the possibility of differential expression of these two genes, and (5) human granulocyte-macrophage colony-stimulating factor (hGM-CSF) cDNA driven by the human T-lymphotropic virus promoter to enhance DC function and viability. Recombinant virus of pMV-NY-ESO-1 was generated with vesicular stomatitis virus G envelope protein (VSV-G) in the GP2-293 cell line for efficient transduction. We present evidence that the DC phenotype is unaltered after transduction and that more than 85% of DCs express NY-ESO-1, which secrete approximately 40 ng of GM-CSF per 10(6) DCs.
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Affiliation(s)
- R B Batchu
- Myeloma Institute for Research and Therapy, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
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17
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Moreira PI, Santos MS, Moreno AM, Proença T, Seiça R, Oliveira CR. Effect of streptozotocin-induced diabetes on rat brain mitochondria. J Neuroendocrinol 2004; 16:32-8. [PMID: 14962073] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
Abstract
This study evaluated several parameters related to mitochondrial function and oxidative stress in streptozotocin (STZ)-treated rats, a model of type 1 diabetes. For this purpose, the respiratory indexes (RCR and ADP/O ratio), mitochondrial transmembrane potential (DeltaPsim), repolarization lag phase, repolarization level, mitochondrial enzymatic activities, ATP and malondialdehyde (MDA) levels, reduced glutathione (GSH), vitamin E and cardiolipin contents were determined in rat brain mitochondria isolated after 4 and 9 weeks after STZ treatment. Brain mitochondria isolated from citrate (vehicle)-treated Wistar rats were used as control. We observed that STZ-induced diabetes did not substantially affect brain mitochondrial function. Instead, 4-week diabetic rats presented higher mitochondrial respiratory chain enzymatic activities, especially succinate-cytochrome C reductase activity, compared to 4-week control rats. In 9-week diabetic rats, only a significant decrease in cardiolipin content was observed; however, a significant increase in mitochondrial GSH content occurred. All other parameters analysed remained statistically unchanged. From these results, we conclude that STZ-induced diabetes did not promote brain mitochondrial dysfunction, suggesting that oxidative stress associated with type 1 diabetes is not directly related to mitochondrial dysfunction, but probably is related to extramitochondrial factor(s).
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Affiliation(s)
- P I Moreira
- Department of Zoology, Faculty of Sciences and Technology, University Hospitals, Institute of Physiology, Faculty of Medicine, and Institute of Biochemistry, Faculty of Medicine, Center for Neuroscience of Coimbra, University of Coimbra, Coimbra, Portugal
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18
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Moreno AM, Baccaro MR, Ferreira AJP, Pestana De Castro AF. Use of single-enzyme amplified fragment length polymorphism for typing Pasteurella multocida subsp. multocida isolates from pigs. J Clin Microbiol 2003; 41:1743-6. [PMID: 12682175 PMCID: PMC153899 DOI: 10.1128/jcm.41.4.1743-1746.2003] [Citation(s) in RCA: 14] [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: 11/20/2022] Open
Abstract
Single-enzyme amplified fragment length polymorphism (SE-AFLP) analyses were used to differentiate 97 isolates of porcine Pasteurella multocida subsp. multocida. The strains, isolated from animals with pneumonia, rhinitis, and septicemia, were classified as capsular types A, D, and F. SE-AFLP showed a discriminatory index of 0.87 and identified 18 different profiles.
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Affiliation(s)
- A M Moreno
- Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, Sao Paulo, Brazil.
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19
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Ferreira AJP, Ferreira CSA, Knobl T, Moreno AM, Bacarro MR, Chen M, Robach M, Mead GC. Comparison of three commercial competitive-exclusion products for controlling Salmonella colonization of broilers in Brazil. J Food Prot 2003; 66:490-2. [PMID: 12636306 DOI: 10.4315/0362-028x-66.3.490] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.6] [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: 11/11/2022]
Abstract
In this study, a new competitive-exclusion (CE) product, Mucosal Starter Culture (MSC), was compared with two other CE products (Aviguard and Avifree) commercially available in Brazil to evaluate their ability to protect newly hatched chicks against colonization by a strain of Salmonella Kedougou. This study was based on a previously published and recommended method for such products. Separate groups of the chicks were dosed orally with the respective treatment materials and challenged 24 h later, and their ceca were examined for Salmonella 5 days after challenge. Under the test conditions, only MSC and Aviguard gave statistically significant (P < 0.05) protection to the chicks, but the MSC treatment yielded the lowest mean level of cecal carriage and the smallest proportion of Salmonella-positive birds.
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Affiliation(s)
- A J P Ferreira
- Department of Pathology, Faculty of Veterinary Medicine and Animal Husbandry, University of Sao Paulo, Avenida Corifeu de Azevedo Marques, 2720, Sao Paulo, Brazil
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20
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Knöbl T, Baccaro MR, Moreno AM, Gomes TA, Vieira MA, Ferreira CS, Ferreira AJ. Virulence properties of Escherichia coli isolated from ostriches with respiratory disease. Vet Microbiol 2001; 83:71-80. [PMID: 11524167 DOI: 10.1016/s0378-1135(01)00403-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.0] [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: 11/18/2022]
Abstract
Eight Escherichia coli isolates from ostriches with respiratory disease were investigated for the presence of genes encoding the following adhesins: type 1 pili (fim), pili associated with pyelonephritis (pap), S fimbriae (sfa), afimbrial adhesin (afaI), temperature regulated adhesin, curli (crl, csgA) and temperature-sensitive hemagglutinin (tsh). Genes for heat labile (LT) and heat stable (STa and STb) enterotoxins, Shiga toxins (stx1 and stx2), cytotoxic necrotizing factor 1 (cnf), alpha-haemolysin (hly) and aerobactin (aer) production were also investigated. Other characteristics investigated were the presence of hemagglutination activity, growth on an iron-deficient medium, aerobactin production, serum resistance, adherence to chicken tracheal cells, pathogenicity for day-old chicks, and serogroup. Serogrouping showed that four isolates belonged to serogroup O2, two to serogroup O78, one to serogroup O9, and one to serogroup O21. The virulence genes found were: fim in all eight isolates, csgA in seven, aer in six, and pap, crl and tsh in one isolate each. All isolates analyzed were positive for mannose-resistant hemagglutination, adhered in vitro to ciliated tracheal epithelium, grew on iron-deficient medium, and showed serum resistance. Pathogenicity tests on day-old chickens revealed one highly pathogenic isolate, three of low pathogenicity and four isolates with intermediate pathogenicity.
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Affiliation(s)
- T Knöbl
- Departamento de Patologia, Faculdade de Medicina Veterinária, Universidade de Guarulhos, Praça Tereza Cristina, 01 07023-070 Guarulhos, SP, Brazil
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21
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Capone D, Wanke B, Monteiro PC, Lazéra MS, de Noronha Andrade G, do Valle AC, Moreno AM, Londero AT. Chronic pulmonary histoplasmosis in the State of Rio de Janeiro, Brazil. Mycopathologia 1999; 145:75-9. [PMID: 10598067 DOI: 10.1023/a:1007016414833] [Citation(s) in RCA: 8] [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: 11/12/2022]
Abstract
Three cases of chronic pulmonary histoplasmosis affecting aged patients with chronic obstructive pulmonary disease are reported. They had a history of recurrent episodes of respiratory infection and presented radiological lung lesions inducing a misdiagnosis of chronic pulmonary tuberculosis of the adults. The diagnosis of histoplasmosis, suggested by the immunodiffusion test and the detection of yeastlike cells in smeared and stained sputum, was confirmed by the isolation and identification of Histoplasma capsulatum var. capsulatum in selective media. The treatment was carried out with amphothericin B and ketoconazole or itraconazole. Clinical, radiologic, mycologic and serologic improvement was obtained in all the patients. However, relapses occurred within a period of 1 to 18 months after the interruption of the treatment. Mycological diagnosis and the difficulties observed in the treatment were discussed. In addition data on the epidemiology of histoplasmosis in the state of Rio de Janeiro, Brazil, were presented.
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Affiliation(s)
- D Capone
- Institute of Thoracic Diseases of the Federal University of Rio de Janeiro (IDT-UFRJ), Brazil.
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22
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Moreno AM, Castilla-Guerra L, Martínez-Torres MC, Torres-Olivera F, Fernández E, Galera-Davidson H. Expression of neuropeptides and other neuroendocrine markers in human phaeochromocytomas. Neuropeptides 1999; 33:159-63. [PMID: 10657486 DOI: 10.1054/npep.1999.0012] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
AIMS Phaeochromocytomas may produce several neuropeptides as they are considered neuroendocrine tumours. Nevertheless, studies are scarce and no clear predictive biologic value has been stablished in the case of neuropeptides expression. METHODS We have investigated immunohistochemically the neuropeptides expression of a serie of 36 phaeochromocytomas: 25 sporadic, seven familial type MEN (multiple endocrine neoplasm) and four familial phaeochromocytomas not associated with MEN syndrome. The reactivity for neuron-specific enolase (NSE), synaptophysin, vasoactive intestinal peptide (VIP), chromogranin A, calcitonin, ACTH, somatostatin and HMB-45 was tested according to the avidin-biotin complex (ABC) method using polyclonal antibodies. RESULTS Phaeochromocytomas have a multiple synthetic activity as main neuroendocrine feature. Despite phaeochromocytoma tumour cells heterogeneity chromogranin and synaptophysin are the most common neuropeptides synthesised, as they are associated with the presence of neuroendocrine storage granules. We find a statistically significant higher synthesis of corticotrophin hormone in familial phaeochromocytomas than in sporadic forms, on the contrary the synthesis of VIP is statistically associated with sporadic forms of phaeochromocytomas. We also found a direct relation of ACTH and overexpression and malignant tumours and a positive relationship between NSE and benign forms of phaeochromocytomas.
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Affiliation(s)
- A M Moreno
- Department of Cytology and Histopathology, University of Seville, Seville, Spain
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23
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Martín-Lacave I, Ramos F, Utrilla JC, Conde E, Hevia A, Fernández R, Moreno AM, Fernández-Santos JM, Galera-Davidson H. Chronic hypervitaminosis D3 determines a decrease in C-cell numbers and calcitonin levels in rats. J Endocrinol Invest 1998; 21:102-8. [PMID: 9585384 DOI: 10.1007/bf03350323] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Many papers have reported that chronic hypercalcemia induced either by large doses of vitamin D or by the administration of calcium or parathormone, produces hypertrophy and hyperplasia of C cells. However, more recent studies suggest that the effect of elevated calcium or 1.25(OH)2D3 concentration on the production of calcitonin may be more complex than previously suspected. To assess the validity of such a response an experimental model, where hypercalcemia was induced with vitamin D3 overdose, was designed. Male Wistar rats were administered vitamin D3 chronically (50,000 IU per 100 ml of drinking water with or without CaCl2). Serum calcium and calcitonin levels were determined. C cells were stained by immunohistochemistry using calcitonin and neuronal specific enolase (NSE) antibodies and their percentage was calculated by a morphometric analysis. We also investigated the ultrastructural characteristic of the C cells under experimental conditions. C cells did not have a proliferative response rather a decrease in their number was observed after 1 month of treatment with 25,000 IU of vitamin D3 (1.55 vs 2.43% in control animals) and 3 months with vitamin plus CaCl2 (2.27% vs 3.62% in control animals). In addition, no significant changes in serum calcitonin levels were observed during the experimental period. We conclude that rat C cells do not respond with hypertrophic and hyperplastic changes in a hypercalcemic state due to an intoxication with vitamin D3.
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Affiliation(s)
- I Martín-Lacave
- Department of Cellular Biology, University of Seville, Spain
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24
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Otero-Patiño R, Cardoso JL, Higashi HG, Nunez V, Diaz A, Toro MF, Garcia ME, Sierra A, Garcia LF, Moreno AM, Medina MC, Castañeda N, Silva-Diaz JF, Murcia M, Cardenas SY, Dias da Silva WD. A randomized, blinded, comparative trial of one pepsin-digested and two whole IgG antivenoms for Bothrops snake bites in Uraba, Colombia. The Regional Group on Antivenom Therapy Research (REGATHER). Am J Trop Med Hyg 1998; 58:183-9. [PMID: 9580075 DOI: 10.4269/ajtmh.1998.58.183] [Citation(s) in RCA: 84] [Impact Index Per Article: 3.2] [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: 11/07/2022] Open
Abstract
The therapeutic efficacy and the incidence of early antivenom reactions (EARs) were compared in a clinical trial performed in 79 patients bitten by Bothrops sp. in Urabá, Colombia. Patients were randomized into three groups according to the antivenom administered: A (n = 30, Butantan polyspecific, pepsin-digested Bothrops antivenom); B (n = 27, Butantan polyspecific, whole IgG Bothrops antivenom); and C (n = 22, Colombian commercial, monovalent, whole IgG Bothrops antivenom). The groups were comparable in all clinical and epidemiologic aspects; 33 patients had mild, 22 moderate, and 24 severe envenoming. At the doses used (two, four, and six vials [10 ml/vial] for mild, moderate, and severe envenomings, respectively) there were no differences between the antivenoms in restoring normal hemostatic parameters within 24 hr. The evolution of local envenoming was comparable in the three groups. Serum venom/antivenom kinetics determined by ELISA showed a complete clearance of venom levels 1 hr after treatment in mild/moderate envenomings. In severe cases, venom levels remained detectable up to 24 hr and recurrence of antigenemia was observed in some cases. Antivenom concentrations remained at high levels up to 24 hr of treatment. The incidence of EARs was significantly different in the groups: A (36.7%), B (11.1.%), and C (81.8%). There were no life-threatening anaphylactic reactions. We conclude that the efficacy of the three antivenoms was similar in neutralizing human Bothrops envenomings and that the production of whole IgG antivenoms by caprylic acid fractionation is a good alternative for reducing the incidence of EARs.
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Affiliation(s)
- R Otero-Patiño
- Departamento de Pediatría, Facultad de Medicina, Universidad de Antioquia, Medellin, Colombia
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Moreno AM, Alberola AG, Tomás JG, Chávarri MV, Soria FC, Sánchez EM, Sánchez JG. Incidence and prognostic significance of right bundle branch block in patients with acute myocardial infarction receiving thrombolytic therapy. Int J Cardiol 1997; 61:135-41. [PMID: 9314206 DOI: 10.1016/s0167-5273(97)00138-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.6] [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: 02/05/2023]
Abstract
We assessed the incidence and prognostic significance of right bundle branch block (RBBB) in patients with acute myocardial infarction (AMI) receiving thrombolytic therapy. A prospective, one-year follow-up study involving 681 consecutive patients treated with thrombolytic agents for AMI was performed. Seventy-four patients developed RBBB (46% new-onset, 24% old and 30% indeterminate). RBBB was more common in older patients with large anterior AMI. New-onset RBBB were often transient (56%) and 84% of them resolved within 12 h after admission. Complicating events during the hospital phase, such as ventricular arrhythmias and development of heart failure, were more frequent in patients with RBBB. In-hospital and one-year mortality were higher in patients with RBBB (22.9 and 40.5% compared to 7.9 and 12.3% respectively in patients without block, both p<0.001). New-onset, non-transient RBBB were associated with the highest mortality rates (73% at one-year follow-up). By multivariate analysis, RBBB was retained as independent predictor of in-hospital and one-year mortality. We conclude that new-onset RBBB in patients receiving thrombolytic therapy for AMI is often transient. The development of RBBB has a negative and independent prognostic impact on the survival during the hospital phase and at one-year follow-up.
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Affiliation(s)
- A M Moreno
- Department of Cardiology, Hospital del Rosell, Cartagena, Spain
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Castilla-Guerra L, Moreno AM, Fernández-Moreno MC, Utrilla JC, Fernández E, Galera-Davison H. Expression and prognostic value of c-erbB-2 oncogene product in human phaeochromocytomas. Histopathology 1997; 31:144-9. [PMID: 9279565 DOI: 10.1046/j.1365-2559.1997.2240838.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.6] [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
AIMS Amplification of c-erbB-2 proto-oncogene has been reported in endocrine tumours, but the results were unclear and no predictive prognostic value has been established in the case of phaeochromocytoma. We investigated the immunohistochemical expression of c-erbB-2 oncogene in 34 cases of human phaeochromocytoma (27 sporadic, seven familial type MEN (multiple endocrine neoplasm)) in order to find out if it could be used to differentiate sporadic and familial forms and whether c-erbB-2 expression is related to tumour biological behaviour. METHODS AND RESULTS All the cases showed diffuse, generally heterogeneous, intracytoplasmic granular c-erbB-2 staining. The percentage of tumour cells expressing c-erbB-2 was used as the comparative variable. The percentage of c-erbB-2 positive cells had a statistically significant (P < 0.001) relationship with tumour aggressiveness, as manifested by the presence of distant metastasis or association with other malignant neoplasms. We also found significantly higher levels (P = 0.007) of c-erbB-2 overexpression in MEN phaeochromocytoma than in sporadic cases. CONCLUSIONS These results clarify the important role of c-erbB-2 proto-oncogene in the pathogenesis of human phaeochromocytoma and confirm the unfavourable prognostic significance of c-erbB-2 expression.
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Affiliation(s)
- L Castilla-Guerra
- Department of Cytology and Histopathology, University of Seville, Spain
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27
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Abstract
A systematic immunohistochemical study of the ultimobranchial tubule (UBT) has been carried out in 45 Wistar rats of different ages (0, 5, 10, 15, 20, 25, 30, 60 and 120 days). The existence of calcitonin immunoreactive cells in the UBT wall has been demonstrated in a 5-days old rat. In addition, immunohistochemical studies for thyroglobulin revealed positive staining in follicular cells connected to the UBT and, occasionally, in isolated cells lying within solid clusters from the UBT. These last results together with the continued and repeated existence of numerous mitosis and PAS (+) microfollicles, apparently rising from the UBT, support the hypothesis that the ultimobranchial body (UBB) may contribute partially to the formation of a part of the follicular component.
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Affiliation(s)
- E Conde
- Departamento de Citología e Histología Normal y Patológica, Facultad de Medicina, Universidad de Sevilla, Spain
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Gomez-Pascual A, Martin-Lacave I, Moreno AM, Fernandez A, Galera H. Neuroendocrine (NE) cells in rat neonatal lungs. A histochemical and immunocytochemical study. Anat Histol Embryol 1990; 19:158-63. [PMID: 2240586 DOI: 10.1111/j.1439-0264.1990.tb00900.x] [Citation(s) in RCA: 3] [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: 12/30/2022]
Abstract
A study has been carried out to determine the presence of NE cells in the newborn rat lung. The localization of these cell was achieved by an argyrophil method. Both single NE and NEB, were found. Immunoperoxidase techniques were performed to determine NSE, serotonin and calcitonin production in these NE formations.
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Affiliation(s)
- A Gomez-Pascual
- Departamento de Citologia e Histologia Normal y Patologica, Facultad de Medicina, Universidad de Sevilla, Spain
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Moreno AM, Martin-Lacave I, Montero C, Gomez-Pascual A, Fernandez A, Galera H. Demonstration of sugar residues in the ultimobranchial tubule and thyroid C-cells of the rat using peroxidase labelled lectins. Anat Histol Embryol 1989; 18:114-21. [PMID: 2757235 DOI: 10.1111/j.1439-0264.1989.tb00587.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The distribution of various sugars, that contribute to the composition of the carbohydrate components of the glycoprotein in the ultimobranchial tubule and the thyroid C-cells has been studied, using eight peroxidase-labelled lectins (Dolichos biblorus, Glycine max, Bauhinia purpurea, Helix pomatia, Arachis hipogaea, Ulex europaeus I, Limax flavus and Sophora japonica). The results obtained seem to show that there are receptors for Dolichos biflorus, Glycine max, Bauhinia purpurea, Helix pomatia, Arachis hipogaea, Ulex europaeus I and Limax flavus in the ultimobranchial tubule, suggesting the existence of N-acetylgalactosamine, galactose, L-fucose and sialic acid. However, the C-cells show only a positive reaction with Ulex europaeus I indicating the existence of fucosyl residues in those cells. All these findings support the contention that the ultimobranchial body might contribute decisively not only to the formation of C-cells but also, partially, to the constitution of certain follicular cells.
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Casanova Bellido M, Martín M, Moreno AM, Hernández A, Rico S. [Kniest syndrome. Contribution of a new case]. An Esp Pediatr 1986; 25:297-9. [PMID: 3492163] [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: 01/06/2023]
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Abstract
We have carried out a study on 52 patients treated during childhood with potentially ototoxic drugs. The evaluation of vestibular function was carried out long after treatment. In most of the cases there was a parallelism between hearing and vestibular deficit. Manifest impairment of the vestibular function was demonstrated in 4 subjects, without remarkable hearing loss, who had previously been treated with streptomycin during childhood. Furthermore, in the case of 19 subjects, a considerable deambulation delay was noticed (in one case it revealed itself after the fourth year of life) which was attributable to a real injury to the vestibular structures. Finally, almost all examined subjects showed a dysfunction of equilibrium and a noticeable tendency to kinetopathy.
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