vacA Genotypes in Helicobacter pylori Strains Isolated from Children with and without Duodenal Ulcer in Brazil

Infection with Helicobacter pylori strains possessing cagA is associated with an increased risk of developing adenocarcinoma of the stomach.

1995 • 1,613 citations

Mosaicism in Vacuolating Cytotoxin Alleles of Helicobacter pylori

1995 • 1,551 citations

Helicobacter pylori in peptic ulcer disease.

2004 • 1,308 citations

NIH Consensus Conference. Helicobacter pylori in peptic ulcer disease. NIH Consensus Development Panel on Helicobacter pylori in Peptic Ulcer Disease

1994 • 656 citations

Clinical and pathological importance of heterogeneity in vacA, the vacuolating cytotoxin gene of Helicobacter pylori

1997 • 649 citations

The Epidemiology of Helicobacter pylori Infection

1991 • 627 citations

The prevalence of Helicobacter pylori infection in different countries.

1995 • 615 citations

Gene structure of the Helicobacter pylori cytotoxin and evidence of its key role in gastric disease.

1994 • 594 citations

Relationship between Helicobacter pylori iceA , cagA , and vacA Status and Clinical Outcome: Studies in Four Different Countries

1999 • 488 citations

Geographic distribution of vacA allelic types of Helicobacter pylori

1999 • 455 citations

Sensitive detection of Helicobacter pylori by using polymerase chain reaction

1992 • 385 citations

EPIDEMIOLOGY OF HELICOBACTER PYLORI INFECTION

1993 • 307 citations

Helicobacter pylori Infection: Genetic and Environmental Influences: A Study of Twins

1994 • 283 citations

Expanding Allelic Diversity of Helicobacter pylori vacA

1998 • 280 citations

Epidemiological Features ofHelicobacter pyloriInfection in Developing Countries

1997 • 227 citations

The epidemiology of Helicobacter pylori in Peruvian children between 6 and 30 months of age.

1994 • 223 citations

Long-term colonization with single and multiple strains of Helicobacter pylori assessed by DNA fingerprinting

1995 • 182 citations

Allelic variation in the cagA gene of Helicobacter pylori obtained from Korea compared to the United States.

1996 • 179 citations

Equally high prevalences of infection with cagA-positive Helicobacter pylori in Chinese patients with peptic ulcer disease and those with chronic gastritis-associated dyspepsia

1997 • 178 citations

Prevalence of Vacuolating Cytotoxin Production and Distribution of Distinct vacA Alleles in Helicobacter pylori from China

1998 • 157 citations

Indicator medium for isolation of Campylobacter pylori

1987 • 144 citations

Multiple Strain Colonization and Metronidazole Resistance in Helicobacter pylori-Infected Patients: Identification from Sequential and Multiple Biopsy Specimens

1996 • 141 citations

HELICOBACTER PYLORI IN THE PEDIATRIC PATIENT

1993 • 134 citations

Intracellular Campylobacter-like organism from ferrets and hamsters with proliferative bowel disease is a Desulfovibrio sp

1994 • 130 citations

Simple and Accurate PCR-Based System for Typing Vacuolating Cytotoxin Alleles of Helicobacter pylori

1999 • 125 citations

Seroprevalence of Helicobacter pylori infection in children of low socioeconomic level in Belo Horizonte, Brazil.

1994 • 121 citations

Effect of Helicobacter pylori Eradication on Antral Gastrin- and Somatostatin-Immunoreactive Cell Density and Gastrin and Somatostatin Concentrations

1993 • 104 citations

Colonization of Mexican Patients by Multiple Helicobacter pylori Strains with Different vacA and cagA Genotypes

1999 • 104 citations

Heterogeneity in Levels of Vacuolating Cytotoxin Gene ( vacA ) Transcription among Helicobacter pylori Strains

1998 • 89 citations

Vacuolating Toxin Production in Clinical Isolates of Helicobacter pylori with Different vacA Genotypes

1998 • 82 citations

Helicobacter pylori cagA Status and s and m Alleles of vacA in Isolates from Individuals with a Variety of H. pylori -Associated Gastric Diseases

1998 • 75 citations

A STUDY OF TWINS

1955 • 72 citations

Intrastrain Differences inHelicobacter pylori: A Key Question in Mucosal Damage?

1995 • 69 citations

Failure to Confirm Association of vac A Gene Mosaicism with Duodenal Ulcer Disease

1998 • 35 citations

Virulence and Colonization‐Associated Properties ofHelicobacter pyloriIsolated from Children and Adolescents

1998 • 34 citations

cagAgene andvacAalleles in SpanishHelicobacter pyloriclinical isolates from patients of different ages

1999 • 32 citations

Diagnosis and distribution of Helicobacter pylori in the gastric mucosa of symptomatic children.

1991 • 27 citations

Epidemiology of cagA/vacA genes in H. pylori isolated from children and adults in Poland.

1997 • 24 citations

Lack of correlation between vacuolating cytotoxin activity,cagA gene inHelicobacter pylori, and peptic ulcer disease in children

1998 • 22 citations

cagA gene and vacA alleles in Spanish Helicobacter pylori clinical isolates from patients of different ages

1999 • 17 citations

Lack of Correlation between Vacuolating Cytotoxin Activity, cagA Gene in Helicobacter pylori , and Peptic Ulcer Disease in Children

1998 • 9 citations