Base de datos : MEDLINE
Búsqueda : B01.050.150.900.649.313.988.400.600.150.150.450 [Categoria DeCS]
Referencias encontradas : 51 [refinar]
Mostrando: 1 .. 10   en el formato [Largo]

página 1 de 6 va a la página                

  1 / 51 MEDLINE  
              next record last record
selecciona
para imprimir
Fotocopia
PMID:27802443
Autor:Garbino GS; Rezende GC; Valladares-Padua C
Dirección:Pós-graduação, Departamento de Zoologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil.
Título:Pelage Variation and Distribution of the Black Lion Tamarin, Leontopithecus chrysopygus.
Fuente:Folia Primatol (Basel); 87(4):244-261, 2016.
ISSN:1421-9980
País de publicación:Switzerland
Idioma:eng
Resumen:The black lion tamarin, Leontopithecus chrysopygus, is endemic to the Atlantic Forest of the interior of the state of São Paulo in Brazil. Since the discovery of the species, authors have described variations in the pelage of L. chrysopygus, but the nature of this variation has remained unknown. We examined museum specimens and living animals to see if the pelage of L. chrysopygus varies individually, geographically or ontogenetically. We reviewed all known locality records of the species, and concluded that the pelage of L. chrysopygus varies individually and ontogenetically, but not geographically. The extent of the golden chromogenetic fields is larger in younger individuals, and the pelage becomes darker after successive moults. We examined 2 juveniles that presented a pelage similar to adult L. caissara. Geographically, there is a clear break in the phenotypes attributed to L. caissara and L. chrysopygus, precluding clinal variation and corroborating the specific status of the former. The separation between these 2 species is coincident with a tectonic fault known as the 'Guapiara lineament', and may have been caused by a recent activation of this geological formation. We also suggest a historical contact zone between L. chrysopygus and the marmoset Callithrix aurita in the upper Rio Tietê region.
Tipo de publicación:JOURNAL ARTICLE


  2 / 51 MEDLINE  
              first record previous record next record last record
selecciona
para imprimir
Fotocopia
PMID:27691975
Autor:Choi E; Childs-Sanford SE; Abou-Madi N; King EE; Caserto BG; Priest H; Behling-Kelly E; Miller AD
Título:HEPATIC OSTEODYSTROPHY IN A GOLDEN LION TAMARIN (LEONTOPITHECUS ROSALIA).
Fuente:J Zoo Wildl Med; 47(3):907-911, 2016 Sep.
ISSN:1042-7260
País de publicación:United States
Idioma:eng
Resumen:An 8-yr-old, captive, female golden lion tamarin ( Leontopithecus rosalia ) with a 6-yr history of hyperbilirubinemia was examined for inappetence and weight loss. Physical examination and blood pressure monitoring under anesthesia revealed hypothermia and hypotension, and blood work revealed hypoglycemia, markedly elevated liver enzymes, including serum alkaline phosphatase, aspartate aminotransferase, and alanine aminotransferase, and confirmed the hyperbilirubinemia. A complete blood count suggested chronic lymphoid leukemia. The animal's condition deteriorated during recovery, and the animal died despite aggressive treatment. Grossly, there was micronodular cirrhosis of the liver, severe icterus, and diffuse osteopenia of all examined bones. Microscopic examination of the liver confirmed the micronodular cirrhosis and bone lesions were compatible with diffuse osteopenia and osteomalacia. This brief communication presents a case of chronic liver disease and lesions indicative of metabolic bone disease, also known as hepatic osteodystrophy. To the authors' knowledge, this is the first documented case of hepatic osteodystrophy in the veterinary literature.
Tipo de publicación:CASE REPORTS; JOURNAL ARTICLE


  3 / 51 MEDLINE  
              first record previous record next record last record
selecciona
para imprimir
Fotocopia
PMID:27691959
Autor:Johnson JG; Langan JN; Gilor C
Título:TREATMENT OF DIABETES MELLITUS IN A GOLDEN LION TAMARIN (LEONTOPITHECUS ROSALIA) WITH THE GLUCAGON-LIKE PEPTIDE-1 MIMETIC EXENATIDE.
Fuente:J Zoo Wildl Med; 47(3):903-906, 2016 Sep.
ISSN:1042-7260
País de publicación:United States
Idioma:eng
Resumen:An 8-yr-old male golden lion tamarin ( Leontopithecus rosalia ) was diagnosed with diabetes mellitus based on hyperglycemia and persistent glycosuria. Initial treatment consisted of the oral antihyperglycemic medications glipizide and metformin that resulted in decreased blood glucose concentrations; however, marked glycosuria persisted. Insufficient improvement on oral antihyperglycemic therapy and poor feasibility of daily subcutaneous insulin therapy led to an investigation into an alternative therapy with extended-release exenatide, a glucagon-like peptide-1 (GLP-1) mimetic, at a dosage of 0.13 mg/kg subcutaneously once per month. Following treatment with exenatide, the persistent glycosuria resolved, the animal maintained normal blood glucose concentrations, and had lower serum fructosamine concentrations compared to pretreatment levels. Based on these findings, extended-release exenatide could be considered as a therapeutic option in nonhuman primates with diabetes mellitus that do not respond to oral antihyperglycemics and in which daily subcutaneous insulin is not feasible.
Tipo de publicación:CASE REPORTS; JOURNAL ARTICLE
Nombre de substancia:0 (Blood Glucose); 0 (Delayed-Action Preparations); 0 (Hypoglycemic Agents); 0 (Peptides); 0 (Venoms); 9P1872D4OL (exenatide)


  4 / 51 MEDLINE  
              first record previous record next record last record
selecciona
para imprimir
Fotocopia
Texto completo
PMID:26981688
Autor:Catenacci LS; Colosio AC; Oliveira LC; De Vleeschouwer KM; Munhoz AD; Deem SL; Pinto JM
Dirección:1 Universidade Federal do Piauí/Campus Professora Cinobelina Elvas, km 01 BR135 Road, Bom Jesus, Piauí 64900-000, Brazil;
Título:Occurrence of Prosthenorchis elegans in Free-living Primates from the Atlantic Forest of Southern Bahia, Brazil.
Fuente:J Wildl Dis; 52(2):364-8, 2016 04 28.
ISSN:1943-3700
País de publicación:United States
Idioma:eng
Resumen:Parasite prevalence and abundance are important factors affecting species' conservation. During necropsies on a free-living golden-headed lion tamarin ( Leontopithecus chrysomelas ) and two Wied's marmosets ( Callithrix kuhlii ) in the Atlantic Forest of southern Bahia, Brazil, we collected a large number of adult intestinal parasites that we identified as Prosthenorchis elegans. This parasite is pathogenic for neotropical primates. Prosthenorchis spp. infestation is influenced by diet with increased risk of exposure from ingesting invertebrate intermediate hosts. The biological similarities and sympatric nature of these two nonhuman primates support that they may harbor similar infectious and parasitic agents.
Tipo de publicación:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T


  5 / 51 MEDLINE  
              first record previous record next record last record
selecciona
para imprimir
Fotocopia
Pissinatti, Alcides
PubMed Central Texto completo
Texto completo
PMID:26883507
Autor:Aitken EH; Bueno MG; Dos Santos Ortolan L; Alvaréz JM; Pissinatti A; Kierulff MC; Catão-Dias JL; Epiphanio S
Dirección:Departamento de Imunologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, São Paulo, Brazil. elizabeth.aitken@unimelb.edu.au.
Título:Survey of Plasmodium in the golden-headed lion tamarin (Leontopithecus chrysomelas) living in urban Atlantic forest in Rio de Janeiro, Brazil.
Fuente:Malar J; 15:93, 2016 Feb 17.
ISSN:1475-2875
País de publicación:England
Idioma:eng
Resumen:BACKGROUND: Communicating the presence of potential zoonotic pathogens such as Plasmodium spp. in wild animals is important for developing both animal and human health policies. METHODS: The translocation of an exotic and invasive population of Leontopithecus chrysomelas (golden-headed lion tamarins) required the screening of these animals for specific pathogens. This studies objective was to investigate Plasmodium spp. infection in the L. chrysomelas, both to know its prevalence in these animals in the local area and to minimize the risk of pathogens being translocated to the destination site. To investigate Plasmodium spp. infection, blood samples from 268 animals were assessed for the presence of Plasmodium spp. by genus-specific PCR and stained thick and thin blood smears were examined by light microscopy. Data of human malaria infection in the studied region was also assembled from SINAN (Diseases Information System Notification-Ministry of Health of Brazil). RESULTS: Results from the PCR and microscopy were all negative and suggested that no L. chrysomelas was infected with Plasmodium spp. Analysis of SINAN data showed that malaria transmission is present among the human population in the studied region. CONCLUSIONS: This study is the first to provide information on Plasmodium spp. infection in L. chrysomelas. Plasmodium spp. infection of this species is rare or absent though malaria parasites circulate in the region. In addition, there is minimal risk of translocating Plasmodium spp. infected animals to the destination site.
Tipo de publicación:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T


  6 / 51 MEDLINE  
              first record previous record next record last record
selecciona
para imprimir
Fotocopia
Texto completo
PMID:26245786
Autor:Farias IP; Santos WG; Gordo M; Hrbek T
Dirección:From the Laboratório de Evolução e Genética Animal-LEGAL, Instituto de Ciências Biológicas, Universidade Federal do Amazonas, Av. Gen. Rodrigo Octávio Jordão Ramos, 3000, Campus Universitário, Bairro Coroado I, 69077-000 Manaus, AM, Brasil (Farias, Santos, and Hrbek); and the Laboratório de Ecologia
Título:Effects of Forest Fragmentation on Genetic Diversity of the Critically Endangered Primate, the Pied Tamarin (Saguinus bicolor): Implications for Conservation.
Fuente:J Hered; 106 Suppl 1:512-21, 2015.
ISSN:1465-7333
País de publicación:United States
Idioma:eng
Resumen:We analyzed DNA at 9 microsatellite loci from hair samples of 73 pied tamarins (Saguinus bicolor) located in 3 urban forest fragments and a biological reserve in the city of Manaus, Amazonas, Brazil. The forest fragments had become isolated from the continuous forest 6-15 years prior to the time of sampling. Tests for reduction in population size showed that all groups from the urban forest fragments had undergone genetic bottlenecks. Pied tamarins in this region historically formed one biological population, and the fragments were connected by high levels of gene flow. These results indicate the need to implement a conservation plan that allows for connectivity between the urban fragments, as well as protection from further constriction. Such connectivity could be achieved via the creation and protection of corridors. In addition to the current population trends explained by anthropogenic actions, the species also shows a trend of long-term demographic decline that has resulted in approximately an order of magnitude decrease and began 13 thousand years ago.
Tipo de publicación:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T


  7 / 51 MEDLINE  
              first record previous record next record last record
selecciona
para imprimir
Fotocopia
PubMed Central Texto completo
Texto completo SciELO Brasil
PMID:25946156
Autor:Lisboa CV; Monteiro RV; Martins AF; Xavier SC; Lima Vdos S; Jansen AM
Dirección:Laboratório de Biologia de Tripanosomatídeos, Instituto Oswaldo Cruz, Fiocruz, Rio de Janeiro, RJ, Brasil.
Título:Infection with Trypanosoma cruzi TcII and TcI in free-ranging population of lion tamarins (Leontopithecus spp): an 11-year follow-up.
Fuente:Mem Inst Oswaldo Cruz; 110(3):394-402, 2015 May.
ISSN:1678-8060
País de publicación:Brazil
Idioma:eng
Resumen:Here, we present a review of the dataset resulting from the 11-years follow-up of Trypanosoma cruzi infection in free-ranging populations of Leontopithecus rosalia (golden lion tamarin) and Leontopithecus chrysomelas (golden-headed lion tamarin) from distinct forest fragments in Atlantic Coastal Rainforest. Additionally, we present new data regarding T. cruzi infection of small mammals (rodents and marsupials) that live in the same areas as golden lion tamarins and characterisation at discrete typing unit (DTU) level of 77 of these isolates. DTU TcII was found to exclusively infect primates, while TcI infected Didelphis aurita and lion tamarins. The majority of T. cruzi isolates derived from L. rosalia were shown to be TcII (33 out 42) Nine T. cruzi isolates displayed a TcI profile. Golden-headed lion tamarins demonstrated to be excellent reservoirs of TcII, as 24 of 26 T. cruzi isolates exhibited the TcII profile. We concluded the following: (i) the transmission cycle of T. cruzi in a same host species and forest fragment is modified over time, (ii) the infectivity competence of the golden lion tamarin population fluctuates in waves that peak every other year and (iii) both golden and golden-headed lion tamarins are able to maintain long-lasting infections by TcII and TcI.
Tipo de publicación:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T


  8 / 51 MEDLINE  
              first record previous record next record last record
selecciona
para imprimir
Fotocopia
Pissinatti, Alcides
Texto completo
PMID:25943130
Autor:Bueno MG; Iovine RO; Torres LN; Catão-Dias JL; Pissinatti A; Kierulff MC; Carvalho VM
Dirección:Pri-Matas for Biodiversity Conservation Institute, Belo Horizonte, Brazil (Bueno, Kierulff)Molecular and Cell Biology Laboratory, Institute of Health Sciences, Paulista University, São Paulo, Brazil (Iovine)Laboratory of Wildlife Comparative Pathology, LAPCOM, School of Veterinary Medicine and Anima
Título:Pneumonia and bacteremia in a golden-headed lion tamarin (Leontopithecus chrysomelas) caused by Klebsiella pneumoniae subsp. pneumoniae during a translocation program of free-ranging animals in Brazil.
Fuente:J Vet Diagn Invest; 27(3):387-91, 2015 May.
ISSN:1943-4936
País de publicación:United States
Idioma:eng
Resumen:Klebsiella pneumoniae is an important emerging pathogen in humans, particularly the invasive hypermucoviscosity (HMV) phenotype. In addition, the organism is an important public health concern because of nosocomial infections and antimicrobial resistance. Nonhuman primates in captivity are susceptible to Klebsiella, particularly when a stress factor is involved. Infections vary depending on the species but can cause significant morbidity and mortality in these animals. The objective of this study was to describe a case of bronchopneumonia and bacteremia caused by Klebsiella pneumoniae in a free-ranging golden-headed lion tamarin (Leontopithecus chrysomelas) caught and maintained in quarantine during a translocation program for conservation purposes. An adult male, that had showed emaciation and apathy, was clinically examined and, despite being provided supportive therapy, died 2 days after onset of clinical signs. At postmortem examination, generalized bilateral pneumonia and pericarditis were observed. Tissue samples were fixed in 10% formalin for histology, and pulmonary tissues and cardiac blood were collected for microbiologic diagnostic procedures. Bacteria that were shown to be HMV K. pneumoniae subsp. pneumoniae strains were isolated from the pulmonary fluids and cardiac blood in pure cultures. Severe bronchopneumonia was the main pathological finding. The consequences of the confirmed presence of the HMV phenotype of K. pneumoniae subsp. pneumoniae in this wildlife species for human, animal, and ecosystem health should be determined. These results demonstrate the importance of quarantine and potential pathogen screening during wildlife translocation procedures.
Tipo de publicación:CASE REPORTS; JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T


  9 / 51 MEDLINE  
              first record previous record next record last record
selecciona
para imprimir
Fotocopia
Pissinatti, Alcides
PubMed Central Texto completo
Texto completo SciELO Brasil
PMID:25763064
Autor:Carvalho VM; Vanstreels RE; Paula CD; Kolesnikovas CK; Ramos MC; Coutinho SD; Martins CS; Pissinatti A; Catão-Dias JL
Dirección:Laboratório de Biologia Molecular e Celular Faculdade de Medicina Veterinária Universidade Paulista São PauloSP Brazil Laboratório de Biologia Molecular e Celular, Faculdade de Medicina Veterinária, Universidade Paulista, São Paulo, SP, Brazil.
Título:Nasal, oral and rectal microbiota of Black lion tamarins (Leontopithecus chrysopygus).
Fuente:Braz J Microbiol; 45(4):1531-9, 2014.
ISSN:1678-4405
País de publicación:Brazil
Idioma:eng
Resumen:Black lion tamarins (Leontopithecus chrysopygus) are endangered callithrichids. Their conservation may require future translocations or reintroductions; however these approaches involve risks of pathogen introduction in the environment and stress-related opportunistic infections in these animals. In order to screen for opportunistic and potential pathogenic bacterial and fungal microbiota, ten free-ranging and ten captive Black lion tamarins were studied and the results compared. Nasal, oral and rectal swabs were collected and cultured for aerobic and facultative anaerobic bacteria and fungi, and a total 203 bacterial and 84 fungal isolates were obtained. Overall, the most frequent organisms were Staphylococcus spp., Bacillus spp., Candida spp. and Aspergillus spp. Microbiota of free-ranging and captive animals were similar in composition. A number of potentially pathogenic organisms were identified, emphasizing the importance of microbiological screening in future translocation or reintroduction conservation management programs.
Tipo de publicación:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T


  10 / 51 MEDLINE  
              first record previous record
selecciona
para imprimir
Fotocopia
Texto completo
PMID:25301031
Autor:Nascimento AT; Nali C; da Fonseca GA
Dirección:Graduate Program in Ecology, Conservation and Wildlife Management, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil.
Título:Dispersal, group formation and kinship in the black-faced lion tamarin (Leontopithecus caissara).
Fuente:Folia Primatol (Basel); 85(4):216-27, 2014.
ISSN:1421-9980
País de publicación:Switzerland
Idioma:eng
Resumen:We report on (i) new group formation, (ii) sex differences in dispersal and (iii) dispersal distance over 6 years for 3 social groups of the black-faced lion tamarin (Leontopithecus caissara) in the vicinity of Ariri, São Paulo state, Brazil. The groups were: Bina (monitored for 74 months), BM5 (52 months) and Teca (13 months). Each group was censused once a week and monitored for 3 days each month. Mating opportunities were found to be the incentive for young adult black-faced lion tamarins to either disperse or remain in their kin group. Young adults show delayed dispersal that is related to the cooperative breeding system characteristic of the Callitrichidae and to a low population density which hinders the formation of new breeding pairs. Our findings suggest that in L. caissara (i) both sexes disperse, (ii) successful immigration is related to breeding opportunities in an existing group, (iii) female immigration motivates male emigration and the formation of new groups, and (iv) emigrants tend to form new groups close to their natal groups. These patterns of dispersal and formation of new groups are efficient because the species has been able to avoid loss of genetic diversity despite their small population size.
Tipo de publicación:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T



página 1 de 6 va a la página                
   


Refinar la búsqueda
  Base de datos : MEDLINE Formulario avanzado   

    Buscar en el campo  
1  
2
3
 
           



Search engine: iAH v2.6 powered by WWWISIS

BIREME/OPS/OMS - Centro Latinoamericano y del Caribe de Información en Ciencias de la Salud