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Genome of Helicobacter pylori and Serotype of HPV Detected in Oropharyngeal and Laryngeal Cancer and Chronic Inflammation Patients. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18189545. [PMID: 34574466 PMCID: PMC8470705 DOI: 10.3390/ijerph18189545] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 09/05/2021] [Accepted: 09/07/2021] [Indexed: 12/18/2022]
Abstract
Objective: Oropharyngeal/laryngeal carcinoma are common cancers of the upper aerodigestive system. Human papillomavirus (HPV) is described as the most frequent in the cancer of unknown primary. The presence of Helicobacter pylori (HP) in the oral cavity is discussed in some papers. The aim of study: To analyze the incidence of HPV and HP in oropharyngeal/laryngeal cancer persons versus persons with chronic tonsillar inflammation and healthy persons. Methods: The samples were taken in three groups: (1) tissue of oropharynx/larynx cancer (103 specimens); (2) tissue of palatine tonsils (85 specimens); and (3) healthy control group (50 specimens). We analyzed the presence of HP (PCR) and HPV genomic DNA (Sacace HPV High-Risk Screen Real-TM Quant) in the samples. Results: HP was detected in 86 samples (83.5%) and high-risk HPV in 62 samples (60.2%). We found a very high incidence of HP. In the cancer group, HP was detected in 82.5% cases and HPV positivity in 57.8%. In total, 7.2% of the cancer patients were negative for HP and HPV together. In turn, 53.6% of the cancer patients were positive for HP and HPV together. Four cases (4.2%) were positive for HPV only. VacA positivity was detected in 82 (79.6%) of the cancer cases and VacA negativity in 21 (20.4%) if the cancer cases. The incidence of HP in chronic inflammation (n = 85) was 65 cases (76.5%) and the incidence of HPV was 38 cases (44.7%). VacA positivity was detected in 59 (69.4%) of the chronic inflammation cases and VacA negativity was found in 26 (30.6%) of the chronic inflammation cases. Regarding the control group, we found HP positivity in 5 cases (11.1%) and HPV positivity in 19 cases (42.2%). There was VacA positivity in 6 cases (50.0%) of the control group. Statistically significantly lower prevalence of HP (p < 0.001) and HPV (p = 0.006) was found in the control group. Conclusions: We suggest that the palatine tonsils are colonized by HP. In our study, HP was present in oropharyngeal cancer in more cases in comparison with HPV infection. The presence of VacA from HP can have an influence on the human epithelial and immune cells’ regulation ways. Our results do not support idea that the CagA-positive HP is a primary carcinogen in oropharyngeal area.
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Singh GB, Yvette War G, Shukla S, Kaur R, Malhotra S, Kumar S. The role of Helicobacter Pylori and laryngopharyngeal reflux in recurrent tonsillitis. Int J Pediatr Otorhinolaryngol 2020; 138:110376. [PMID: 33152967 DOI: 10.1016/j.ijporl.2020.110376] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 09/07/2020] [Accepted: 09/07/2020] [Indexed: 11/24/2022]
Abstract
OBJECTIVES To detect Helicobacter Pylori [HP] in tonsillar tissue of recurrent tonsillitis cases and assess the possible role of Laryngopharyngeal reflux [LPR] in tonsillar HP infection. METHODS A prospective study was done on the cited subject in a sample size of 50 paediatric patients [Age group: 6-18 years] suffering from recurrent tonsillitis. LPR was diagnosed by Reflux Symptom index [RSI] and Reflux Finding score [RFS]. A score of more than 7 and 13 was regarded as significant for RFS and RSI respectively. Patients with both scores significant were regarded to be suffering from LPR. Tonsillar specimen after tonsillectomy were subjected to urease test, histopathology [ Modified Giemsa Staining] and culture to detect HP. A minimum of two positive tests of the mentioned three were taken as gold standard to diagnose colonization of HP. Tabulated data was statistically analysed. RESULTS We recorded an incidence of 9% [18 cases] for LPR in recurrent tonsillitis. No case of HP colonization of tonsils was detected in this case series, even in patients of LPR. CONCLUSION We conclude that tonsils are not an extra gastric reservoir of HP. In addition, there is no aetiological relationship between recurrent tonsillitis and HP. And lastly, LPR is not a significant factor for colonization of tonsils by HP.
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Affiliation(s)
- Gautam Bir Singh
- Department of Otorhinolaryngology-Head & Neck Surgery, Lady Hardinge Medical College & Associated Hospitals, Shaheed Bhagat Singh Marg, New Delhi, 110001, India.
| | - Gabriella Yvette War
- Department of Otorhinolaryngology-Head & Neck Surgery, Lady Hardinge Medical College & Associated Hospitals, Shaheed Bhagat Singh Marg, New Delhi, 110001, India
| | - Shailja Shukla
- Department of Pathology, Lady Hardinge Medical College & Associated Hospitals, Shaheed Bhagat Singh Marg, New Delhi, 110001, India
| | - Ravinder Kaur
- Department of Microbiology, Lady Hardinge Medical College & Associated Hospitals, Shaheed Bhagat Singh Marg, New Delhi, 110001, India
| | - Sonali Malhotra
- Department of Otorhinolaryngology-Head & Neck Surgery, Lady Hardinge Medical College & Associated Hospitals, Shaheed Bhagat Singh Marg, New Delhi, 110001, India
| | - Sunil Kumar
- Department of Otorhinolaryngology-Head & Neck Surgery, Lady Hardinge Medical College & Associated Hospitals, Shaheed Bhagat Singh Marg, New Delhi, 110001, India
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Helicobacter pylori Colonization in Patients with Adenotonsillar Hypertrophy: Study on Prevalence and Clinical Characteristics of Colonized Patients and Possible Association with Complications. ARCHIVES OF PEDIATRIC INFECTIOUS DISEASES 2020. [DOI: 10.5812/pedinfect.97561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Helicobacter pylori in the tonsillar tissue: a possible association with chronic tonsillitis and laryngopharyngeal reflux. The Journal of Laryngology & Otology 2017; 131:549-556. [DOI: 10.1017/s0022215117000597] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
AbstractObjective:To identify Helicobacter pylori infection in tonsillar tissue samples from patients undergoing tonsillectomy for chronic tonsillitis versus tonsillar hypertrophy, and to assess the possible relationships between H pylori and patients’ sociodemographic data and laryngopharyngeal reflux.Methods:In this prospective study, 97 patients who underwent tonsillectomy were divided into the following 2 groups: patients with chronic tonsillitis (n = 62) and patients with tonsillar hypertrophy (control group; n = 35). H pylori infection in the tonsillar biopsy samples was identified using histochemical and rapid urease tests.Results:The incidence of H pylori infection was significantly higher in the chronic tonsillitis group (56.5 per cent) compared to the control group (31.4 per cent). Similar findings were obtained for both subgroups of adults (68.6 vs 42.3 per cent) and children (40.7 vs 0.0 per cent). Significant relationships between a positive H pylori finding and laryngopharyngeal reflux related signs of vocal fold oedema, diffuse laryngeal oedema and hypertrophy of the posterior commissure were revealed.Conclusion:H pylori infection may be related to chronic tonsillitis and laryngopharyngeal reflux.
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Morand GB, Fellmann J, Laske RD, Weisert JU, Soltermann A, Zbinden R, Probst R, Huber GF. Detection ofHelicobacter pyloriin patients with head and neck cancer: Results from a prospective comparative study combining serology, polymerase chain reaction, and rapid urease test. Head Neck 2015; 38:769-74. [DOI: 10.1002/hed.23958] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/11/2014] [Indexed: 12/14/2022] Open
Affiliation(s)
- Grégoire B. Morand
- Department of Otorhinolaryngology, Head and Neck Surgery; University Hospital Zurich; Switzerland
| | - Jonas Fellmann
- Department of Otorhinolaryngology, Head and Neck Surgery; University Hospital Zurich; Switzerland
| | - Roman D. Laske
- Department of Otorhinolaryngology, Head and Neck Surgery; University Hospital Zurich; Switzerland
| | - Jan U. Weisert
- Department of Otorhinolaryngology, Head and Neck Surgery; University Hospital Zurich; Switzerland
| | - Alex Soltermann
- Institute of Surgical Pathology, University Hospital Zurich; Switzerland
| | - Reinhard Zbinden
- Institute of Medical Microbiology, University of Zurich; Switzerland
| | - Rudolf Probst
- Department of Otorhinolaryngology, Head and Neck Surgery; University Hospital Zurich; Switzerland
| | - Gerhard F. Huber
- Department of Otorhinolaryngology, Head and Neck Surgery; University Hospital Zurich; Switzerland
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Saltanova ZE. [Chronic tonsillitis, etiological and pathogenetic aspects of the development of metatonsillar complications]. Vestn Otorinolaringol 2015; 80:65-70. [PMID: 26331161 DOI: 10.17116/otorino201580365-70] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The objective of the present study was to summarize the data of the current literature publications concerning the tonsillar biotope under the normal conditions and in the course of the development of the pathological process. Specific microbiological characteristics of the potential causative agents of tonsillar pathology are considered. The structural, immunological, and genetic prerequisites for the for progress of infection are discussed with special reference to the morphological and functional changes in the tissue of palatine tonsils associated with different forms of the disease and the mechanisms underlying immunopathological conditions and metatonsillar complications.
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Affiliation(s)
- Zh E Saltanova
- Department of Otorhinolaryngology, Russian Medical Academy of Post-Graduate Education, Moscow, Russia, 125367
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Naserpour Farivar T, Najafipour R, Johari P, Aslanimehr M, Peymani A, Jahani Hashemi H, Mirzaui B. Development and evaluation of a Quadruplex Taq Man real-time PCR assay for simultaneous detection of clinical isolates of Enterococcus faecalis, Enterococcus faecium and their vanA and vanB genotypes. IRANIAN JOURNAL OF MICROBIOLOGY 2014; 6:335-40. [PMID: 25848524 PMCID: PMC4385574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
BACKGROUND AND OBJECTIVES We developed and evaluated the utility of a quadruplex Taqman real-time PCR assay that allows simultaneous identification of vancomycin-resistant genotypes and clinically relevant enterococci. MATERIALS AND METHODS The specificity of the assay was tested using reference strains of vancomycin-resistant and susceptible enterococci. In total, 193 clinical isolates were identified and subsequently genotyped using a Quadruplex Taqman real-time PCR assay and melting curve analysis. Representative Quadruplex Taqman real-time PCR amplification curve were obtained for Enterococcus faecium, Enterococcus faecalis, vanA-containing E. faecium, vanB-containing E. faecalis. RESULTS Phenotypic and genotypic analysis of the isolates gave same results for 82 enterococcal isolates, while in 5 isolates, they were inconsistent. We had three mixed strains, which were detected by the TaqMan real-time PCR assay and could not be identified correctly using phenotypic methods. CONCLUSION Vancomycin resistant enterococci (VRE) genotyping and identification of clinically relevant enterococci were rapidly and correctly performed using TaqMan real-time multiplex real-time PCR assay.
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Affiliation(s)
| | - Reza Najafipour
- Corresponding Author: Dr. Reza Najafipour., Address: Cellular and Molecular Research Center Qazvin University of Medical Sciences,
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Kariya S, Okano M, Nishizaki K. An association between Helicobacter pylori and upper respiratory tract disease: Fact or fiction? World J Gastroenterol 2014; 20:1470-1484. [PMID: 24587622 PMCID: PMC3925855 DOI: 10.3748/wjg.v20.i6.1470] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2013] [Revised: 11/03/2013] [Accepted: 01/06/2014] [Indexed: 02/06/2023] Open
Abstract
Helicobacter pylori (H. pylori) is a major cause of chronic gastritis and gastric ulcers and considerable evidence supports the notion that infection with this bacterium is also associated with gastric malignancy in addition to various other conditions including pulmonary, vascular and autoimmune disorders. Gastric juice infected with H. pylori might play an important role in upper respiratory tract infection. Although direct and/or indirect mechanisms might be involved in the association between H. pylori and upper respiratory tract diseases, the etiological role of H. pylori in upper respiratory tract disorders has not yet been fully elucidated. Although various studies over the past two decades have suggested a relationship between H. pylori and upper respiratory tract diseases, the findings are inconsistent. The present overview describes the outcomes of recent investigations into the impact of H. pylori on upper respiratory tract and adjacent lesions.
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The Relationship Between Gastric Cancer and Helicobacter Pylori in Formaldehyde Fixed Paraffin Embedded Gastric Tissues of Gastric Cancer Patients-Scorpion Real-Time PCR Assay Findings. Pathol Oncol Res 2013; 20:113-7. [DOI: 10.1007/s12253-013-9669-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2012] [Accepted: 06/26/2013] [Indexed: 12/15/2022]
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Nártová E, Kraus J, Pavlík E, Lukeš P, Katra R, Plzák J, Kolářová L, Sterzl I, Betka J, Astl J. Presence of different genotypes of Helicobacter pylori in patients with chronic tonsillitis and sleep apnoea syndrome. Eur Arch Otorhinolaryngol 2013; 271:607-13. [PMID: 23864246 DOI: 10.1007/s00405-013-2607-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2013] [Accepted: 06/13/2013] [Indexed: 12/14/2022]
Abstract
Helicobacter pylori, a well-known gastric pathogen, has been detected in the oral cavity and oropharynx in tonsillar tissue. In our study, the presence of H. pylori in the tonsillar tissue of patients with chronic tonsillitis and sleep apnoea syndrome (SAS) was investigated. The aim was to detect and genotype H. pylori for a collection of data supporting the possible role of H. pylori in the aetiology of chronic tonsillitis and SAS. Helicobacter pylori was detected by real-time polymerase chain reaction (rt-PCR). 89 patients, 60 with a diagnosis of chronic tonsillitis and 29 with SAS, were tested. In the chronic tonsillitis group, Helicobacter was detected in 48 (80 %) specimens, cagA gene was detected in 12 samples (25 %) and 12 samples were negative. In SAS group, Helicobacter was found in 24 samples (82.76 %), cagA gene was detected in 5 (20.83 %) and 5 samples (17.24 %) were negative. Helicobacter pylori-specific immunoglobulins were tested by ELISA in the serum of 57 patients only with 41 (71.93 %) showing positive. Our results on H. pylori DNA detection and H. pylori seropositivity show 26.32 % discrepancy, slightly in favour of rt-PCR (15.79 % compared to 10.53 %). The H. pylori presence in tonsillar tissue does not depend on the type of oropharyngeal disease (p = 0.756). This study shows that oropharynx constitutes an extragastric reservoir of H. pylori infection which could serve as an aetiopathogenetic factor for chronic tonsillitis and tonsillar hyperplasia by SAS. No conclusion has yet been drawn about the mechanism of the process.
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Affiliation(s)
- Eva Nártová
- Department of Othorinolaryngology and Head and Neck Surgery, 1st Faculty of Medicine, University Hospital Motol, Charles University, Prague, Czech Republic,
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Farivar TN, Johari P. Lack of association between Chlamydia trachomatis infection and cervical cancer--Taq Man realtime PCR assay findings. Asian Pac J Cancer Prev 2013; 13:3701-4. [PMID: 23098457 DOI: 10.7314/apjcp.2012.13.8.3701] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Cervical cancer is one of the most common cancers in developing countries and the second most common type of cancer in women globally. Several recent studies suggested a co factor role for Chlamydia trachomatis in pathogenesis of cervical cancer. This study aimed to evaluate existence of C. trachomatis DNA in pathologic blocks of patients with cervical cancer. MATERIALS AND METHODS Seventy-six formaldehyde fixed paraffin embedded tissue specimens from patients with histologically proven history of cervical cancer as well as 150 blocks from healthy peoples were included in the present study. Thin slices were prepared from selected blocks followed by deparaffinization and DNA extraction; the presence of C. trachomatis DNA was examined by Taq Man real-time PCR. RESULTS Our TaqMan real time PCR assay with cervical specimens of patients with cervical cancer showed that there was no C. trachomatis DNA. Also, we found three positive specimens among our control group. CONCLUSION It seems that based on results obtained from the specimens examined in the present study, there is no association between the presence of C. trachomatis DNA in cervical specimens and cervical cancer.
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Naserpour Farivar T, Najafipour R, Johari P. Prevalence of clarithromycin-resistantHelicobacter pyloriin patients with chronic tonsillitis by allele-specific scorpion real-time polymerase chain reaction assay. Laryngoscope 2013; 123:1478-82. [DOI: 10.1002/lary.23777] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/17/2012] [Indexed: 02/06/2023]
Affiliation(s)
| | - Reza Najafipour
- Cell and Molecular Research Center; Qazvin University of Medical Sciences; Qazvin; Iran
| | - Pouran Johari
- Cell and Molecular Research Center; Qazvin University of Medical Sciences; Qazvin; Iran
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Najafipour R, Farivar TN, Pahlevan AA, Johari P, Safdarian F, Asefzadeh M. Agreement rate of rapid urease test, conventional PCR, and scorpion real-time PCR in detecting helicobacter pylori from tonsillar samples of patients with chronic tonsillitis. J Glob Infect Dis 2012; 4:106-9. [PMID: 22754245 PMCID: PMC3385199 DOI: 10.4103/0974-777x.96773] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Background: Helicobacter pylori is capable of inducing systemic inflammatory reactions through immunological processes. There are several methods to identify the presence of H. pylori in clinical samples including rapid urease test (RUT), conventional polymerase chain reaction (PCR), and the Scorpion real-time PCR. Aim: The aim of the present study is to compare the agreement rate of these tests in identifying H. pylori in tonsillar biopsy specimens collected from patients with chronic tonsillitis. Materials and Methods: A total of 103 tonsil biopsy samples from patients with clinical signs of chronic tonsillitis were examined with RUT, PCR, and Scorpion real-time PCR. The degree of agreement between the three tests was later calculated. Results: There was a poor degree of agreement between RUT and PCR and also RUT and Scorpion real-time PCR (Kappa=0.269 and 0.249, respectively). In contrast with RUT, there was a strong degree of agreement between PCR and Scorpion real-time PCR (Kappa=0.970). Conclusion: The presence of a strong agreement between the Scorpion real-time PCR and PCR as well as its technical advantage over the conventional PCR assay, made the Scorpion real-time PCR an appropriate laboratory test to investigate the presence of H. pylori in tonsillar biopsy specimens in patients suffering from chronic tonsillitis.
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Affiliation(s)
- Reza Najafipour
- Cell and Molecular Research Center, Qazvin University of Medical Sciences, Qazvin, Iran
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Fazaeli A. State of the globe: Diagnostic tests to detect Helicobacter pylori tonsillitis. J Glob Infect Dis 2012; 4:99-101. [PMID: 22754243 PMCID: PMC3385209 DOI: 10.4103/0974-777x.96765] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Affiliation(s)
- Asghar Fazaeli
- Department of Medical Parasitology, School of Medicine, Zanjan University of Medical Sciences and Health Services, Zanjan, Iran
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