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  1. 101
    “…The aim of this study was to evaluate by PCR and sequence analysis, the genetic profile of H. pylori vacA gene (s1, s2, m1 and m2). We sequenced small DNA segments from 13 vacAs1, 10 vacAm2, 6 vacAm1 and 6 vacAs2 strains which were amplified with amplicon size of 259/286 bp, 290 bp and 352 bp for vacAs1/s2, m1 and m2 respectively. …”
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    DNA Sequence Analysis of South African Helicobacter pylori Vacuolating Cytotoxin Gene (vacA)
  2. 102
    por Kim, Ik-Jung, Blanke, Steven R.
    Publicado 2012
    “…VacA functions as an intracellular-acting protein exotoxin. …”
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    Remodeling the host environment: modulation of the gastric epithelium by the Helicobacter pylori vacuolating toxin (VacA)
  3. 103
    “…Molecular methods were used to characterize the cagA and vacA genes from bacterial isolates associated with different diseases presented by patients. …”
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    Characterization of virulence genes cagA and vacA in Helicobacter Pylori and their prevalence in gastrointestinal disorders
  4. 104
    “…Carriage of Helicobacter pylori strains producing more active (s1/i1) forms of VacA is strongly associated with gastric adenocarcinoma. …”
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    A Role for the Vacuolating Cytotoxin, VacA, in Colonization and Helicobacter pylori–Induced Metaplasia in the Stomach
  5. 105
    “…BACKGROUND : Determination of vacA mosaicism may be important because specific Helicobacter pylori vacA genotype can be used to predict different clinical outcome. …”
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    Relevance of vacA Genotypes of Helicobacter pylori to cagA Status and Its Clinical Outcome
  6. 106
    “…BACKGROUND: Pathogenesis of Helicobacter Pylori (HP) vacuolating toxin A (vacA) depends on polymorphic diversity within the signal (s), middle (m), intermediate (i), deletion (d) and c-regions. …”
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    New genotypes of Helicobacter Pylori VacA d-region identified from global strains
  7. 107
    “…Only 5 cases were vacA-positive and cagA-negative. The most virulent vacA s1 allele existed in 56.6% of cases. …”
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    Genotyping of Helicobacter pylori Virulence Genes cagA and vacA: Regional and National Study
  8. 108
    “…They produce onco-protein that causes DNA damage. CagA and VacA are such proteins that modulate certain oncogenes and tumour suppressor genes. …”
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    Evaluating CagA and VacA Oncoproteins of Helicobacter pylori in Oral Potentially Malignant Disorders
  9. 109
    “…The patient serum was assayed for two virulence factors of H. pylori, CagA IgG and VacA. The inflammation in gastric mucosa was analyzed with histology. …”
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    The Gastric Mucosa from Patients Infected with CagA+ or VacA+ Helicobacter pylori Has a Lower Level of Dual Oxidase-2 Expression than Uninfected or Infected with CagA−/VacA− H. pylori
  10. 110
    por Vaca Uribe, Jorge
    Publicado 2006
    Libro
    Así leen (textos) los niños
  11. 111
    por Vaca de Osma, José Anotnio
    Publicado 1998
    Libro
    El gran capitan
  12. 112
    por Vaca Romero, Cirilo
    Publicado 2004
    Tesis Libro
    Conocimiento del motor a Diesel /
  13. 113
    por Vaca Uribe, Jorge
    Publicado 1997
    Libro
    El niño y la escritura
  14. 114
    por Gutiérrez Aché, Emilio
    Publicado 1987
    Tesis Libro
    Comportamiento Productivo de Vacas Holstein en Pastoreo Rotacional en Clíma Tropical Semi-Cálido /
  15. 115
    Repositorio Institucional
    Tesis Libro
    Comparación de respuestas fisiológicas de vacas Holstein nacidas y recién introducidas al trópico /
  16. 116
    “…BACKGROUND: The cytotoxin associated gene A (cagA), and the vacuolating cytotoxin gene A (vacA) of Helicobacter pylori have been associated to phenotypic characteristics of virulence. …”
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    cagA and vacA in strains of Helicobacter pylori from ulcer and non-ulcerative dyspepsia patients
  17. 117
    “…In this study, we describe the ultrastructural changes associated with acid activation of Helicobacter pylori vacuolating cytotoxin (VacA). Purified VacA molecules imaged by deep-etch electron microscopy form ∼30-nm hexagonal “flowers,” each composed of an ∼15-nm central ring surrounded by six ∼6-nm globular “petals.” …”
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    Acid-induced Dissociation of VacA, the Helicobacter pylori Vacuolating Cytotoxin, Reveals Its Pattern of Assembly
  18. 118
    “…Ninety-two percent of all the subjects showed more than one vacA gene genotype; s1b and m1 vacA genotypes were predominantly found in the gastric cancer group. …”
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    High Diversity of vacA and cagA Helicobacter pylori Genotypes in Patients with and without Gastric Cancer
  19. 119
    “…The vacA s2 genotype was not detected in our study. VacA middle region sequences, m1 and m2, were found in 20 (10.2%) and 150 (76.1%), respectively. …”
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    Prevalence of Helicobacter pylori vacA, cagA and iceA genotypes and correlation with clinical outcome
  20. 120
    “…In this study, we intended to find association between the virulence genes (cagA and vacA) and clinical presentations. METHODS: H. pylori isolates were achieved from the gastric mucosa of children. …”
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    Association between Helicobacter pylori, cagA, and vacA Status and Clinical Presentation in Iranian Children
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