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International Journal of Molecular Medicine
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Print ISSN: 1107-3756 Online ISSN: 1791-244X
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October 2010 Volume 26 Issue 4

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Journals

International Journal of Molecular Medicine

International Journal of Molecular Medicine

International Journal of Molecular Medicine is an international journal devoted to molecular mechanisms of human disease.

International Journal of Oncology

International Journal of Oncology

International Journal of Oncology is an international journal devoted to oncology research and cancer treatment.

Molecular Medicine Reports

Molecular Medicine Reports

Covers molecular medicine topics such as pharmacology, pathology, genetics, neuroscience, infectious diseases, molecular cardiology, and molecular surgery.

Oncology Reports

Oncology Reports

Oncology Reports is an international journal devoted to fundamental and applied research in Oncology.

Experimental and Therapeutic Medicine

Experimental and Therapeutic Medicine

Experimental and Therapeutic Medicine is an international journal devoted to laboratory and clinical medicine.

Oncology Letters

Oncology Letters

Oncology Letters is an international journal devoted to Experimental and Clinical Oncology.

Biomedical Reports

Biomedical Reports

Explores a wide range of biological and medical fields, including pharmacology, genetics, microbiology, neuroscience, and molecular cardiology.

Molecular and Clinical Oncology

Molecular and Clinical Oncology

International journal addressing all aspects of oncology research, from tumorigenesis and oncogenes to chemotherapy and metastasis.

World Academy of Sciences Journal

World Academy of Sciences Journal

Multidisciplinary open-access journal spanning biochemistry, genetics, neuroscience, environmental health, and synthetic biology.

International Journal of Functional Nutrition

International Journal of Functional Nutrition

Open-access journal combining biochemistry, pharmacology, immunology, and genetics to advance health through functional nutrition.

International Journal of Epigenetics

International Journal of Epigenetics

Publishes open-access research on using epigenetics to advance understanding and treatment of human disease.

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Medicine International

An International Open Access Journal Devoted to General Medicine.

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Article

Fever temperature enhances mechanisms of survival of Streptococcus agalactiae within human endothelial cells

  • Authors:
    • Viviane Oliveira Freitas Lione
    • Michelle Hanthequeste Bittencourt dos Santos
    • Técia Maria Ulisses Carvalho
    • Raphael Hirata
    • Ana Luiza Mattos-Guaraldi
    • Renato Arruda Mortara
    • Prescilla Emy Nagao

  • View Affiliations / Copyright

    Affiliations: Departamento de Biologia Celular, Instituto de Biologia Roberto Alcântara Gomes, Universidade do Estado do Rio de Janeiro, Maracanã, Rio de Janeiro, RJ 20550-013, Brazil
  • Pages: 511-516
    |
    Published online on: October 1, 2010
       https://doi.org/10.3892/ijmm_00000493
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Abstract

Group B streptococci (GBS) are the most common cause of pneumonia and sepsis during the neonatal period. However, the pathogenesis of invasive infection is poorly understood. We investigated the ability of GBS grown at 37°C and 40°C to adhere and invade human umbilical vein endothelial cells (HUVECs) at different periods of incubation (0, 0.5, 1, 2, 18 and 24 h). All strains tested, except strain 88641-vagina survived for 24 h in the intracellular environment at 40°C. For serotype III grown at 40°C, both strains (80340-vagina and 90356-liquor) showed increased adherence and intracellular survival when compared to bacteria grown at 37°C (P<0.01). GBS serotype V strains (88641-vagina and 90186-blood) showed ability to survive inside HUVECs until 2 and 24 h post-infection at 40°C and 37°C, respectively (P<0.01). Influence of growth temperature in bacterial interaction with endothelial cells was partially dependent of serotypes and the clinical origin of strains. Serotypes III and V strains grown at both temperatures remained viable within acidic endothelial vacuoles which acquired Rab7 and LAMP-1 endosomal markers. The data emphasize the influence of temperature on cellular events of phagocytosis and pathogenesis of GBS diseases.

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Copy and paste a formatted citation
Spandidos Publications style
Freitas Lione VO, Bittencourt dos Santos MH, Ulisses Carvalho TM, Hirata R, Mattos-Guaraldi AL, Arruda Mortara R and Nagao PE: Fever temperature enhances mechanisms of survival of Streptococcus agalactiae within human endothelial cells . Int J Mol Med 26: 511-516, 2010.
APA
Freitas Lione, V.O., Bittencourt dos Santos, M.H., Ulisses Carvalho, T.M., Hirata, R., Mattos-Guaraldi, A.L., Arruda Mortara, R., & Nagao, P.E. (2010). Fever temperature enhances mechanisms of survival of Streptococcus agalactiae within human endothelial cells . International Journal of Molecular Medicine, 26, 511-516. https://doi.org/10.3892/ijmm_00000493
MLA
Freitas Lione, V. O., Bittencourt dos Santos, M. H., Ulisses Carvalho, T. M., Hirata, R., Mattos-Guaraldi, A. L., Arruda Mortara, R., Nagao, P. E."Fever temperature enhances mechanisms of survival of Streptococcus agalactiae within human endothelial cells ". International Journal of Molecular Medicine 26.4 (2010): 511-516.
Chicago
Freitas Lione, V. O., Bittencourt dos Santos, M. H., Ulisses Carvalho, T. M., Hirata, R., Mattos-Guaraldi, A. L., Arruda Mortara, R., Nagao, P. E."Fever temperature enhances mechanisms of survival of Streptococcus agalactiae within human endothelial cells ". International Journal of Molecular Medicine 26, no. 4 (2010): 511-516. https://doi.org/10.3892/ijmm_00000493
Copy and paste a formatted citation
x
Spandidos Publications style
Freitas Lione VO, Bittencourt dos Santos MH, Ulisses Carvalho TM, Hirata R, Mattos-Guaraldi AL, Arruda Mortara R and Nagao PE: Fever temperature enhances mechanisms of survival of Streptococcus agalactiae within human endothelial cells . Int J Mol Med 26: 511-516, 2010.
APA
Freitas Lione, V.O., Bittencourt dos Santos, M.H., Ulisses Carvalho, T.M., Hirata, R., Mattos-Guaraldi, A.L., Arruda Mortara, R., & Nagao, P.E. (2010). Fever temperature enhances mechanisms of survival of Streptococcus agalactiae within human endothelial cells . International Journal of Molecular Medicine, 26, 511-516. https://doi.org/10.3892/ijmm_00000493
MLA
Freitas Lione, V. O., Bittencourt dos Santos, M. H., Ulisses Carvalho, T. M., Hirata, R., Mattos-Guaraldi, A. L., Arruda Mortara, R., Nagao, P. E."Fever temperature enhances mechanisms of survival of Streptococcus agalactiae within human endothelial cells ". International Journal of Molecular Medicine 26.4 (2010): 511-516.
Chicago
Freitas Lione, V. O., Bittencourt dos Santos, M. H., Ulisses Carvalho, T. M., Hirata, R., Mattos-Guaraldi, A. L., Arruda Mortara, R., Nagao, P. E."Fever temperature enhances mechanisms of survival of Streptococcus agalactiae within human endothelial cells ". International Journal of Molecular Medicine 26, no. 4 (2010): 511-516. https://doi.org/10.3892/ijmm_00000493
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