1
|
Freitas VAQ, Santos AS, Zara ALSA, Costa CR, Godoy CSDM, Soares RDBA, Ataídes FS, Silva MDRR. Distribution and antifungal susceptibility profiles of Candida species isolated from people living with HIV/AIDS in a public hospital in Goiânia, GO, Brazil. Braz J Microbiol 2023; 54:125-133. [PMID: 36371517 PMCID: PMC9943819 DOI: 10.1007/s42770-022-00851-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Accepted: 10/12/2022] [Indexed: 11/13/2022] Open
Abstract
Oropharyngeal candidiasis (OPC) is the most common opportunistic fungal infection of the oral cavity and is a significant clinical problem, particularly in immunocompromised individuals, such as people living with HIV/AIDS (PLWHA). Although Candida albicans is the most frequent pathogen, at least 30 species capable of causing infection have been described. Identifying the infecting organism is necessary because the species respond differently to therapy, and antifungal susceptibility testing is important to determine the appropriate treatment. This study aimed to determine the epidemiological, clinical, and mycological profiles of OPC in hospitalized PLWHA. Clinical samples were collected from 103 PLWHA with suspected candidiasis admitted to the Hospital Estadual of Doenças Tropicais/Hospital Anuar Auad of Goiania, Goias, Brazil, for 14 months. Candida species were identified using phenotypic microbiological techniques and molecular analysis performed by PCR using species-specific primers. The antifungal susceptibility pattern of the isolates against the six antifungal agents was determined using the broth microdilution method. Here, female individuals were the most affected by OPC, presenting a higher risk of oral colonization by Candida spp. The main clinical manifestation was pseudomembranous candidiasis. The number of cases of candidiasis was 87.3% (90/103), with C. albicans being the most common species, followed by C. tropicalis and C. glabrata. In the susceptibility pattern, non-albicans Candida showed higher resistance to than C. albicans. The fast and accurate identification of Candida spp. is very important to identify therapeutic agents for the treatment of oral candidiasis in PLWHA.
Collapse
Affiliation(s)
| | - Andressa Santana Santos
- Instituto de Patologia Tropical E Saúde Pública, Universidade Federal de Goiás, Goiânia, Goiás, Brazil
| | | | - Carolina Rodrigues Costa
- Instituto de Patologia Tropical E Saúde Pública, Universidade Federal de Goiás, Goiânia, Goiás, Brazil
| | - Cassia Silva de Miranda Godoy
- Pontifícia Universidade Católica, Goiânia, Goiás, Brazil
- Hospital Estadual de Doenças Tropicais Dr. Anuar Auad, Goiânia, Goiás, Brazil
| | - Renata de Bastos Ascenço Soares
- Pontifícia Universidade Católica, Goiânia, Goiás, Brazil
- Hospital Estadual de Doenças Tropicais Dr. Anuar Auad, Goiânia, Goiás, Brazil
| | | | | |
Collapse
|
2
|
Slazhneva E, Tikhomirova E, Tsarev V, Orekhova L, Loboda E, Atrushkevich V. Candida species detection in patients with chronic periodontitis: A systematic review and meta-analysis. Clin Exp Dent Res 2022; 8:1354-1375. [PMID: 35903878 PMCID: PMC9760140 DOI: 10.1002/cre2.635] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 06/10/2022] [Accepted: 07/05/2022] [Indexed: 01/26/2023] Open
Abstract
OBJECTIVES To assess the Candida species occurrence rate and concentration in periodontal pockets in chronic periodontitis (CP) by meta-analysis. MATERIALS AND METHODS A search was performed of articles published between January 1, 2010, and October 1, 2020, in English and in Russian, in the electronic databases MEDLINE-PubMed, Google Scholar, The Cochrane Library, ClinicalTrials.gov, Research Gate, eLIBRARY, and Cyberleninka (PROSPEROCRD42021234831). The odds ratio (OR), standardized mean difference (SMD), and 95% confidence interval (CI) were calculated using Review Manager 5.4.1 to compare the risk of CP when Candida spp. were detected in the gingival sulcus or periodontal pocket and to compare Candida spp. density counts in patients with CP and periodontally healthy patients. RESULTS Twenty-six studies were included in the systematic review and 11 were included in the meta-analysis. The results showed that Candida spp. may increase the chance of CP development by 1.76 times (OR = 1.76; 95% CI = 1.04-2.99; Z = 2.10; p = .04; I2 = 61%). More Candida spp. were found in patients with CP than in periodontally healthy patients (SMD = 1.58; 95% CI = 0.15-3.02; p = .03; I2 = 98%). No data were found relating to the statistically significant influence of Candida glabrata, Candida krusei and Candida tropicalis on CP development. CONCLUSION We found that Candida albicans insignificantly increased the risk of CP development but, due to the heterogeneity of the included studies, further research is necessary to determine the exact role of Candida spp. in the development and course of the inflammatory periodontal diseases.
Collapse
Affiliation(s)
- Ekaterina Slazhneva
- Department of PeriodontologyA.I. Yevdokimov Moscow State University of Medicine and DentistryМoscowRussian Federation
| | - Ekaterina Tikhomirova
- Department of PeriodontologyA.I. Yevdokimov Moscow State University of Medicine and DentistryМoscowRussian Federation
| | - Victor Tsarev
- Department of Microbiology, Virology, ImmunologyA.I. Yevdokimow Moscow State University of Medicine and DentistryMoscowRussian Federation,Laboratory of Molecular Biological ResearchResearch Medical and Dental InstituteМoscowRussian Federation
| | - Liudmila Orekhova
- Department of Restorative Dentistry and PeriodontologyFirst Pavlov State Medical University of St PetersburgSt PetersburgRussian Federation
| | - Ekaterina Loboda
- Department of Restorative Dentistry and PeriodontologyFirst Pavlov State Medical University of St PetersburgSt PetersburgRussian Federation
| | - Victoria Atrushkevich
- Department of PeriodontologyA.I. Yevdokimov Moscow State University of Medicine and DentistryМoscowRussian Federation
| |
Collapse
|
3
|
Shirazian S, Manifar S, Nodehi RS, Shabani M. Oropharyngeal Candida Colonization in Patients with Acute Myeloid Leukemia. Front Dent 2021; 17:1-6. [PMID: 33615304 PMCID: PMC7882205 DOI: 10.18502/fid.v17i1.3966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2019] [Accepted: 11/28/2019] [Indexed: 12/04/2022] Open
Abstract
Objectives: Oral candidiasis has increased in recent years because of the increasing number of high-risk populations. The prevalence of Candida species is different worldwide because of the difference between population characteristics, sampling protocols, and geographic regions. Therefore, determining the more prevalent Candida species in different geographic regions seems essential. This study aimed to determine the more prevalent Candida species in acute myeloid leukemia (AML) patients in comparison with healthy individuals in Iran in 2016. Materials and Methods: Fifty-one patients with AML and 62 healthy controls participated in this cross-sectional study. Samples were collected using a swab rubbed softly on the dorsal surface of the tongue and the oropharynx. The samples were cultured on CHROMagar Candida for 2 to 4 days. For differentiation between albicans and non-albicans species, positive samples were linearly inoculated on Corn Meal Agar with Tween-80. Candida species were identified using a microscope. Data were analyzed using chi-square and Fisher’s exact tests. Results: Candida colonization was more frequent in AML patients (41.2%) in comparison with healthy participants (38.7%). Candida glabrata (C. glabrata; 27.5%) and Candida albicans (C. albicans; 32.3%) were the most common isolated species in the AML patients and the controls, respectively. There was a significant decrease in the frequency of C. albicans (P=0.022) and a significant increase in the frequency of C. glabrata (P=0.002) in the AML patients in comparison with the controls. Conclusion: AML patients are more susceptible to candidiasis. C. glabrata is the dominant Candida species in AML patients.
Collapse
Affiliation(s)
- Shiva Shirazian
- Department of Oral Medicine, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
| | - Soheila Manifar
- Department of Oral Medicine, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran.,Cancer Institute, Imam Khomeini Hospital Complex, Tehran University of Medical Sciences, Tehran, Iran
| | - Reza Safaei Nodehi
- Department of Oncology-Hematology and Bone Marrow Transplantation, Imam Khomeini Hospital Complex, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohaddeseh Shabani
- Department of Restorative and Cosmetic Dentistry, Dental Faculty, Islamic Azad University of Medical Sciences, Tehran, Iran
| |
Collapse
|
4
|
Salehi M, Ahmadikia K, Mahmoudi S, Kalantari S, Jamalimoghadamsiahkali S, Izadi A, Kord M, Dehghan Manshadi SA, Seifi A, Ghiasvand F, Khajavirad N, Ebrahimi S, Koohfar A, Boekhout T, Khodavaisy S. Oropharyngeal candidiasis in hospitalised COVID-19 patients from Iran: Species identification and antifungal susceptibility pattern. Mycoses 2020; 63:771-778. [PMID: 32609906 PMCID: PMC7361944 DOI: 10.1111/myc.13137] [Citation(s) in RCA: 90] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 06/25/2020] [Accepted: 06/26/2020] [Indexed: 01/08/2023]
Abstract
Background Emergence of coronavirus disease 2019 (COVID‐19) is a major healthcare threat. Apparently, the novel coronavirus (SARS‐CoV‐2) is armed by special abilities to spread and dysregulate the immune mechanisms. The likelihood of oropharyngeal candidiasis (OPC) development in COVID‐19 patients with a list of attributable risk factors for oral infections has not yet been investigated. Objectives We here aim to investigate the prevalence, causative agents and antifungal susceptibility pattern of OPC in Iranian COVID‐19 patients. Patients and Methods A total of 53 hospitalised COVID‐19 patients with OPC were studied. Relevant clinical data were mined. Strain identification was performed by 21‐plex PCR and sequencing of the internal transcribed spacer region (ITS1‐5.8S‐ITS2). Antifungal susceptibility testing to fluconazole, itraconazole, voriconazole, amphotericin B, caspofungin, micafungin and anidulafungin was performed according to the CLSI broth dilution method. Results In 53 COVID‐19 patients with OPC, cardiovascular diseases (52.83%) and diabetes (37.7%) were the principal underlying conditions. The most common risk factor was lymphopaenia (71%). In total, 65 Candida isolates causing OPC were recovered. C albicans (70.7%) was the most common, followed by C glabrata (10.7%), C dubliniensis (9.2%), C parapsilosis sensu stricto (4.6%), C tropicalis (3%) and Pichia kudriavzevii (=C krusei, 1.5%). Majority of the Candida isolates were susceptible to all three classes of antifungal drugs. Conclusion Our data clarified some concerns regarding the occurrence of OPC in Iranian COVID‐19 patients. Further studies should be conducted to design an appropriate prophylaxis programme and improve management of OPC in critically ill COVID‐19 patients.
Collapse
Affiliation(s)
- Mohammadreza Salehi
- Department of Infectious Diseases and Tropical Medicine, Imam Khomeini Hospital complex, Tehran University of Medical Sciences, Tehran, Iran
| | - Kazem Ahmadikia
- Department of Medical Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Shahram Mahmoudi
- Department of Medical Parasitology and Mycology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Saeed Kalantari
- Antimicrobial Resistance Research Center, Iran University of Medical Sciences, Tehran, Iran
| | | | - Alireza Izadi
- Department of Medical Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Kord
- Department of Medical Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Seyed Ali Dehghan Manshadi
- Department of Infectious Diseases and Tropical Medicine, Imam Khomeini Hospital complex, Tehran University of Medical Sciences, Tehran, Iran
| | - Arash Seifi
- Department of Infectious Diseases and Tropical Medicine, Imam Khomeini Hospital complex, Tehran University of Medical Sciences, Tehran, Iran
| | - Fereshteh Ghiasvand
- Department of Infectious Diseases and Tropical Medicine, Imam Khomeini Hospital complex, Tehran University of Medical Sciences, Tehran, Iran
| | - Nasim Khajavirad
- Department of Internal Medicine, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Saeedeh Ebrahimi
- Antimicrobial Resistance Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Amirhossein Koohfar
- Department of Infectious Diseases and Tropical Medicine, Imam Khomeini Hospital complex, Tehran University of Medical Sciences, Tehran, Iran
| | - Teun Boekhout
- Westerdijk Fungal Biodiversity Institute, Utrecht, The Netherlands.,Institute of Biodiversity and Ecosystem Dynamics (IBED), University of Amsterdam, Amsterdam, The Netherlands
| | - Sadegh Khodavaisy
- Department of Medical Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| |
Collapse
|
5
|
Gupta B, Gupta S, Chaudhary M, Raj AT, Awan KH, Patil S. Oral candida prevalence and species specificity in leprosy. Dis Mon 2020; 66:100920. [DOI: 10.1016/j.disamonth.2019.100920] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
|
6
|
Dimethylaminododecyl methacrylate inhibits Candida albicans and oropharyngeal candidiasis in a pH-dependent manner. Appl Microbiol Biotechnol 2020; 104:3585-3595. [PMID: 32125481 DOI: 10.1007/s00253-020-10496-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 01/28/2020] [Accepted: 02/20/2020] [Indexed: 02/05/2023]
Abstract
The prevalence of stomatitis, especially that caused by Candida albicans, has highlighted the need for new antifungal agents. We previously found that a type of quaternary ammonium salts, dimethylaminododecyl methacrylate (DMADDM), incorporated in dental materials inhibited the growth and hyphal development of C. albicans. However, how the quaternary ammonium salts inhibited the fungal pathogens and whether the oral condition, such as salivary pH variation under different diseases, can affect the antimicrobial capacity of quaternary ammonium salts is unknown. This study evaluated the antifungal effects of DMADDM at different pH in vitro and in vivo. A pH-dependent antifungal effect of DMADDM was observed in planktonic and biofilm growth. DMADDM enhanced antifungal activity at alkaline pH. Two pH-regulated genes (PHR1/PHR2) of C. albicans were correlated with the pH-dependent antifungal effects of DMADDM. The PHR1/PHR2 genes and pH values regulated the zeta potential of C. albicans, which then influenced the binding between C. albicans cells and DMADDM. The pH-dependent antifungal activity of DMADDM was then substantiated in a murine oropharyngeal candidiasis model. We directly demonstrated that the antifungal abilities of quaternary ammonium salts relied on the cell zeta potential which affected the binding between fungal cells and quaternary ammonium salts. These findings suggest a new antifungal mechanism of quaternary ammonium under different pH and that DMADDM can be a potential antifungal agent applied in dental materials and stomatitis therapy.Key Points • DMADDM has stronger antifungal activity in alkaline than in acidic pH conditions. • The pH values and pH-regulated genes can affect the zeta potential of fungal cells. • Zeta potential of fungal cells directly affect the binding between DMADDM and cells. Graphical abstract Schematic diagram of the antifungal activities of DMADDM at different pH values.
Collapse
|
7
|
Tarapan S, Matangkasombut O, Trachootham D, Sattabanasuk V, Talungchit S, Paemuang W, Phonyiam T, Chokchaitam O, Mungkung OO, Lam-Ubol A. Oral Candida colonization in xerostomic postradiotherapy head and neck cancer patients. Oral Dis 2019; 25:1798-1808. [PMID: 31257663 DOI: 10.1111/odi.13151] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2019] [Revised: 06/16/2019] [Accepted: 06/25/2019] [Indexed: 12/24/2022]
Abstract
OBJECTIVES To evaluate (a) oral colonization of Candida species, especially for non-albicans Candida species (NACS), in xerostomic postradiotherapy head and neck cancer patients and (b) risk factors affecting their colonization. MATERIALS AND METHODS Subjective and objective dry mouth scores, stimulated salivary flow rates, pH and buffering capacity were measured in 72 xerostomic postradiotherapy head and neck cancer patients. Candida counts and species identification were performed using oral rinse samples cultured in Candida Chromagar, followed by polymerase chain reaction and API 20C AUX system. RESULTS Candida colonization was observed in 87.5% of subjects, with 80.6% and 48.6% of study population colonized by C. albicans and NACS, respectively. NACS was associated with high objective dry mouth scores, denture use, and females (p = .006, .009, and .036, respectively). In addition, Candida glabrata was detected more in females (p = .018) and denture wearers (p = .026), while Candida tropicalis was associated with high objective dry mouth scores (p = .022) and females (p = .027). Quantity of Candida colonization correlated positively with objective dry mouth scores (r = 0.599, p < .001) and negatively with salivary flow rates (r = -0.258, p = .041) and pH (r = -0.290, p = .022). CONCLUSION NACS colonization was common in xerostomic head and neck cancer patients. Increased signs of dry mouth, female and dental prostheses may promote NACS colonization.
Collapse
Affiliation(s)
- Supanat Tarapan
- Faculty of Dentistry, Srinakharinwirot University, Bangkok, Thailand
| | - Oranart Matangkasombut
- Department of Microbiology and Research Unit on Oral Microbiology and Immunology, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand.,Laboratory of Biotechnology, Chulabhorn Research Institute, Bangkok, Thailand
| | | | | | | | | | - Tawaree Phonyiam
- Institute of Nutrition, Mahidol University, Nakhon Pathom, Thailand
| | | | | | - Aroonwan Lam-Ubol
- Faculty of Dentistry, Srinakharinwirot University, Bangkok, Thailand
| |
Collapse
|
8
|
Yeter HH, Erten Y, Sevmez H, Korucu B, Kalkanci A, Elbeg S, Altok K, Bali M, Yilmaz H. Oral
Candida
Colonization as a Risk Factor for Chronic Inflammation and Atherosclerosis in Hemodialysis Patients. Ther Apher Dial 2019; 23:542-549. [DOI: 10.1111/1744-9987.12803] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2018] [Revised: 01/28/2019] [Accepted: 03/19/2019] [Indexed: 01/01/2023]
Affiliation(s)
- Hasan H Yeter
- Department of NephrologyGazi University Ankara Turkey
| | - Yasemin Erten
- Department of NephrologyGazi University Ankara Turkey
| | - Hatice Sevmez
- Department of Prosthodontics, Faculty of DentistryGazi University Ankara Turkey
| | - Berfu Korucu
- Department of NephrologyGazi University Ankara Turkey
| | - Ayse Kalkanci
- Department of MicrobiologyGazi University Ankara Turkey
| | - Sehri Elbeg
- Department of BiochemistryGazi University Ankara Turkey
| | - Kadriye Altok
- Department of NephrologyGazi University Ankara Turkey
| | - Musa Bali
- Department of NephrologyGazi University Ankara Turkey
| | - Handan Yilmaz
- Department of Prosthodontics, Faculty of DentistryGazi University Ankara Turkey
| |
Collapse
|
9
|
Yu SY, Zhang L, Chen S, Kong F, Xiao M, Wang H, Hou X, Zhou ML, Zhang G, Zhang JJ, Duan SM, Kang W, Xu YC. Candida isolates causing refractory or recurrent oropharyngeal candidiasis in 11 hospitals in China. Infect Drug Resist 2019; 12:865-875. [PMID: 31114266 PMCID: PMC6489570 DOI: 10.2147/idr.s199359] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2018] [Accepted: 03/19/2019] [Indexed: 12/24/2022] Open
Abstract
Introduction: We studied the species distribution and antifungal susceptibilities of Candida isolates causing refractory or recurrent oropharyngeal candidiasis (OPC) in a multicenter study in China (2013–2016). Methods: Species identification was performed using the Bruker Biotyper (Bruker Daltonics, Germany) matrix-assisted laser desorption/ionization time of flight mass spectrometry system supplemented by internal transcribed spacer sequencing as required. Antifungal susceptibilities were determined by the Clinical and Laboratory Standards Institute document (CLSI) M27-A3 broth microdilution methodology. Results: A total of 558 non-duplicate Candida isolates comprising 10 species were obtained from 535 patients. Candida albicans was the most common species (89.6%), followed by C. glabrata (5.2%), C. tropicalis (2.9%), and C. parapsilosis (0.7%). Azoles were active against C. albicans with susceptibility rates of 96% and 95.8% for fluconazole and voriconazole, respectively. MIC50 values of C. albicans to fluconazole, voriconazole, itraconazole, and miconazole were 1, 0.03, 0.25 and 0.12 μg/mL, respectively, higher than those in previous studies of which OPC patients (corresponding MIC50 values of 0.25 , 0.015 , 0.06 , and 0.03 μg/mL). Except for itraconazole, the MIC50 and MIC90 values of 58 non-C. albicans to other azoles were two to threefold higher than C. albicans. Miconazole, amphotericin B, nystatin, and 5-flucytosine had good in vitro antifungal activity for all isolates. Conclusion: The study provides valuable data on the species distribution and antifungal susceptibility of oropharyngeal Candida isolates from geographically diverse areas of China. C. albicans remains the most common species but with increasing rates of azoles resistance.
Collapse
Affiliation(s)
- Shu-Ying Yu
- Department of Clinical Laboratory, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing 100730, People's Republic of China.,Graduate School, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, People's Republic of China.,Beijing Key Laboratory for Mechanisms Research and Precision Diagnosis of Invasive Fungal Diseases (BZ0447), Beijing, People's Republic of China
| | - Li Zhang
- Department of Clinical Laboratory, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing 100730, People's Republic of China.,Beijing Key Laboratory for Mechanisms Research and Precision Diagnosis of Invasive Fungal Diseases (BZ0447), Beijing, People's Republic of China
| | - Sharon Chen
- Centre for Infectious Diseases and Microbiology Laboratory Services, ICPMR -New South Wales Health Pathology, The University of Sydney, Westmead, New South Wales, Australia
| | - Fanrong Kong
- Centre for Infectious Diseases and Microbiology Laboratory Services, ICPMR -New South Wales Health Pathology, The University of Sydney, Westmead, New South Wales, Australia
| | - Meng Xiao
- Department of Clinical Laboratory, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing 100730, People's Republic of China.,Beijing Key Laboratory for Mechanisms Research and Precision Diagnosis of Invasive Fungal Diseases (BZ0447), Beijing, People's Republic of China
| | - He Wang
- Department of Clinical Laboratory, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing 100730, People's Republic of China.,Beijing Key Laboratory for Mechanisms Research and Precision Diagnosis of Invasive Fungal Diseases (BZ0447), Beijing, People's Republic of China
| | - Xin Hou
- Department of Clinical Laboratory, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing 100730, People's Republic of China.,Graduate School, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, People's Republic of China.,Beijing Key Laboratory for Mechanisms Research and Precision Diagnosis of Invasive Fungal Diseases (BZ0447), Beijing, People's Republic of China
| | - Meng-Lan Zhou
- Department of Clinical Laboratory, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing 100730, People's Republic of China.,Graduate School, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, People's Republic of China.,Beijing Key Laboratory for Mechanisms Research and Precision Diagnosis of Invasive Fungal Diseases (BZ0447), Beijing, People's Republic of China
| | - Ge Zhang
- Department of Clinical Laboratory, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing 100730, People's Republic of China.,Beijing Key Laboratory for Mechanisms Research and Precision Diagnosis of Invasive Fungal Diseases (BZ0447), Beijing, People's Republic of China
| | - Jing-Jia Zhang
- Department of Clinical Laboratory, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing 100730, People's Republic of China.,Beijing Key Laboratory for Mechanisms Research and Precision Diagnosis of Invasive Fungal Diseases (BZ0447), Beijing, People's Republic of China
| | - Si-Meng Duan
- Department of Clinical Laboratory, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing 100730, People's Republic of China.,Beijing Key Laboratory for Mechanisms Research and Precision Diagnosis of Invasive Fungal Diseases (BZ0447), Beijing, People's Republic of China
| | - Wei Kang
- Department of Clinical Laboratory, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing 100730, People's Republic of China.,Beijing Key Laboratory for Mechanisms Research and Precision Diagnosis of Invasive Fungal Diseases (BZ0447), Beijing, People's Republic of China
| | - Ying-Chun Xu
- Department of Clinical Laboratory, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing 100730, People's Republic of China.,Beijing Key Laboratory for Mechanisms Research and Precision Diagnosis of Invasive Fungal Diseases (BZ0447), Beijing, People's Republic of China
| |
Collapse
|
10
|
Silva JJD, Silva TAD, Almeida HD, Rodrigues Netto MF, Cerdeira CD, Höfling JF, Boriollo MFG. Candida species biotypes in the oral cavity of infants and children with orofacial clefts under surgical rehabilitation. Microb Pathog 2018; 124:203-215. [PMID: 30138757 DOI: 10.1016/j.micpath.2018.08.042] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Accepted: 08/19/2018] [Indexed: 01/20/2023]
Abstract
Patients with orofacial clefts present various risk factors for oral infectious diseases, resulting from anatomical and physiological changes and those resulting from rehabilitating therapeutic interventions. The incidence of Candida species in groups of babies and children with orofacial clefts, during pre- and post-operative periods and until return to first consultation, and the profiles for antifungal sensitivity and virulence in vitro were investigated. Oral samples were collected at different times over the surgical procedures and post-surgical clinical consultation and seeded in chromogenic culture media CHROMagar Candida®. Candida biotypes were identified by accessing species-specific genomic DNA sequences by PCR techniques and electrophoretic procedures. Antifungal susceptibility testing was performed by the method of microdilution in broth using the antifungals amphotericin B (AP), nystatin (NYS) and fluconazole (FLC). SAP and PL exoenzyme activities were determined by classical microbiological methods. Some orofacial clefts occurred preferentially in male or female. Low incidence (39.1%) of oral colonization by Candida species (C. albicans, C. krusei, C. tropicalis and Candida spp.) was reported in patient admission to surgical ward, with no correlation to orofacial cleft types or surgical history. Significant reduction in frequencies of Candida and changes of species, over sampling periods, showed dynamic patterns of oral colonization: elimination, maintenance or neocolonization of the biotypes. These biotypes showed sensitivity to AP (100%), partial resistance to FLC (<10%) and variable MICs for NYS (0.125-4 μg/mL), in addition to strong exoenzyme activities, especially for SAP. Clinical and therapeutic conducts for surgical rehabilitation, anatomical and physiological characteristics of patients with orofacial clefts, and cultural behavior and regionalism of the patient population served could influence the frequencies and dynamics of oral colonization by Candida species. The data showed Candida biotypes resistant to FLC and sensitive (AP) or clinically compatible (NYS) to polyenes, especially C. albicans, in the oral cavity of patients predisposed to oral colonization and candidiases, contributing to clinical conducts in possible antifungal therapies. These biotypes were considered potentially virulent and able to partially modulate their virulence factors, especially SAP, under the conditions favored by host.
Collapse
Affiliation(s)
- Jeferson Júnior da Silva
- Laboratory of Microbiology and Immunology, Department of Oral Diagnosis, Dental School of Piracicaba, State University of Campinas (FOP/UNICAMP), Piracicaba, 13414-903, SP, Brazil; Laboratory of Pharmacogenetics and Molecular Biology, Faculty of Medical Sciences, University of Alfenas (UNIFENAS), Alfenas, 37132-440, MG, Brazil.
| | - Thaísla Andrielle da Silva
- Laboratory of Pharmacogenetics and Molecular Biology, Faculty of Medical Sciences, University of Alfenas (UNIFENAS), Alfenas, 37132-440, MG, Brazil
| | - Hudson de Almeida
- Laboratory of Pharmacogenetics and Molecular Biology, Faculty of Medical Sciences, University of Alfenas (UNIFENAS), Alfenas, 37132-440, MG, Brazil
| | - Manoel Francisco Rodrigues Netto
- Laboratory of Microbiology and Immunology, Department of Oral Diagnosis, Dental School of Piracicaba, State University of Campinas (FOP/UNICAMP), Piracicaba, 13414-903, SP, Brazil
| | - Claudio Daniel Cerdeira
- Laboratory of Biochemistry, Biomedical Science Institute, Federal University of Alfenas (UNIFAL-MG), Alfenas, 37130-001, MG, Brazil
| | - José Francisco Höfling
- Laboratory of Microbiology and Immunology, Department of Oral Diagnosis, Dental School of Piracicaba, State University of Campinas (FOP/UNICAMP), Piracicaba, 13414-903, SP, Brazil
| | - Marcelo Fabiano Gomes Boriollo
- Laboratory of Microbiology and Immunology, Department of Oral Diagnosis, Dental School of Piracicaba, State University of Campinas (FOP/UNICAMP), Piracicaba, 13414-903, SP, Brazil; Laboratory of Pharmacogenetics and Molecular Biology, Faculty of Medical Sciences, University of Alfenas (UNIFENAS), Alfenas, 37132-440, MG, Brazil
| |
Collapse
|
11
|
dos Santos SB, Sabadin CES, Mario DN, Rigo L, Barbosa DA. Presence of Candida spp. and candidiasis in liver transplant patients. An Bras Dermatol 2018; 93:356-361. [PMID: 29924230 PMCID: PMC6001082 DOI: 10.1590/abd1806-4841.20186533] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2016] [Accepted: 03/16/2017] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Candidiasis is the most common opportunistic fungal infection of the oral cavity caused by fungi of the genus Candida and usually associated with immunosuppressed individuals. OBJECTIVES To evaluate the presence of oral candidiasis and identify the presence of Candida spp. in liver transplant recipients and assess the association between the presence of the fungus and sociodemographic variables, dietary habits and environmental exposure. METHODS A cross-sectional study was performed with 49 patients who had undergone liver transplants at Hospital São Vicente de Paulo in Passo Fundo - RS. Patient information was collected to obtain sociodemographic data, eating habits and environmental exposure. Fungal infections were screened by oral clinical examination and the presence of Candida spp by the collection of oral samples with a sterile swab, seeded in Sabouraud Dextrose Agar, incubated at 25°C and observed at 48 hours. To identify Candida albicans, the germ tube test was performed. RESULTS In 49 patient samples, 39% had the yeast of the genus Candida isolated and, of these patients, 12% had candidiasis, 66% of atrophic type and 34% pseudomembranous. Eleven yeast species were (58%) Candida non-albicans and eight (42%) Candida albicans. STUDY LIMITATIONS The present study presents as a limitation the inclusion of patients in different stages of immunosuppression. CONCLUSION The high incidence of Candida non-albicans in the oral cavity of transplant patients with a long period of transplantation is warning to a more effective control of the health of these individuals, especially those with older age.
Collapse
Affiliation(s)
| | | | - Débora Nunes Mario
- Department of Microbiology, Universidade Federal do Pampa
(Unipampa), Uruguaiana (RS), Brazil
| | - Lilian Rigo
- Department of Community Health, Escola de Odontologia, Faculdade
IMED, Passo Fundo (RS), Brazil
| | - Dulce Aparecida Barbosa
- Department of Clinical and Surgical Nursing, Escola Paulista de
Enfermagem, Universidade Federal de São Paulo (Unifesp), São Paulo
(SP), Brazil
| |
Collapse
|
12
|
Effects of Rhodomyrtus tomentosa extract on virulence factors of Candida albicans and human neutrophil function. Arch Oral Biol 2018; 87:35-42. [DOI: 10.1016/j.archoralbio.2017.11.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2017] [Revised: 10/31/2017] [Accepted: 11/16/2017] [Indexed: 11/18/2022]
|
13
|
Asadzadeh M, Ahmad S, Al-Sweih N, Khan Z. Molecular Fingerprinting Studies Do Not Support Intrahospital Transmission of Candida albicans among Candidemia Patients in Kuwait. Front Microbiol 2017; 8:247. [PMID: 28270801 PMCID: PMC5318450 DOI: 10.3389/fmicb.2017.00247] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Accepted: 02/06/2017] [Indexed: 12/20/2022] Open
Abstract
Candida albicans, a constituent of normal microbial flora of human mucosal surfaces, is a major cause of candidemia in immunocompromised individuals and hospitalized patients with other debilitating diseases. Molecular fingerprinting studies have suggested nosocomial transmission of C. albicans based on the presence of clusters or endemic genotypes in some hospitals. However, intrahospital strain transmission or a common source of infection has not been firmly established. We performed multilocus sequence typing (MLST) on 102 C. albicans bloodstream isolates (representing 92% of all culture-confirmed candidemia patients over a 31-month period at seven major hospitals) to identify patient-to-patient transmission or infection from a common source in Kuwait, a small country in the Middle East where consanguineous marriages are common. Repeat bloodstream isolates from six patients and nine surveillance cultures from other anatomic sites from six patients were also analyzed. Fifty-five isolates belonged to unique genotypes. Forty-seven isolates from 47 patients formed 16 clusters, with each cluster containing 2–9 isolates. Multiple isolates from the same patient from bloodstream or other anatomical sites yielded identical genotypes. We identified four cases of potential patient-to-patient transmission or infection from a common source based on association analysis between patients' clinical/epidemiological data and the corresponding MLST genotypes of eight C. albicans isolates. However, further fingerprinting by whole genome-based amplified fragment length polymorphism (AFLP) analysis yielded 8 different genotypes, ruling out intrahospital transmission of infection. The findings suggest that related strains of C. albicans exist in the community and fingerprinting by MLST alone may complicate hospital infection control measures during outbreak investigations.
Collapse
Affiliation(s)
- Mohammad Asadzadeh
- Department of Microbiology, Faculty of Medicine, Kuwait University Kuwait, Kuwait
| | - Suhail Ahmad
- Department of Microbiology, Faculty of Medicine, Kuwait University Kuwait, Kuwait
| | - Noura Al-Sweih
- Department of Microbiology, Faculty of Medicine, Kuwait University Kuwait, Kuwait
| | - Ziauddin Khan
- Department of Microbiology, Faculty of Medicine, Kuwait University Kuwait, Kuwait
| |
Collapse
|
14
|
Lam P, Kok SHL, Lee KKH, Lam KH, Hau DKP, Wong WY, Bian Z, Gambari R, Chui CH. Sensitization of Candida albicans to terbinafine by berberine and berberrubine. Biomed Rep 2016; 4:449-452. [PMID: 27073630 DOI: 10.3892/br.2016.608] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2015] [Accepted: 11/27/2015] [Indexed: 11/06/2022] Open
Abstract
Candida albicans (C. albicans) is an opportunistic fungal pathogen, particularly observed in immunocompromised patients. C. albicans accounts for 50-70% of cases of invasive candidiasis in the majority of clinical settings. Terbinafine, an allylamine antifungal drug, has been used to treat fungal infections previously. It has fungistatic activity against C. albicans. Traditional Chinese medicines can be used as complementary medicines to conventional drugs to treat a variety of ailments and diseases. Berberine is a quaternary alkaloid isolated from the traditional Chinese herb, Coptidis Rhizoma, while berberrubine is isolated from the medicinal plant Berberis vulgaris, but is also readily derived from berberine by pyrolysis. The present study demonstrates the possible complementary use of berberine and berberrubine with terbinafine against C. albicans. The experimental findings assume that the potential application of these alkaloids together with reduced dosage of the standard drug would enhance the resulting antifungal potency.
Collapse
Affiliation(s)
- Pikling Lam
- State Key Laboratory of Chirosciences, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong, SAR, P.R. China
| | - Stanton Hon Lung Kok
- School of Biomedical Sciences, Chinese University of Hong Kong, Hong Kong, SAR, P.R. China
| | - Kenneth Ka Ho Lee
- School of Biomedical Sciences, Chinese University of Hong Kong, Hong Kong, SAR, P.R. China
| | - Kim Hung Lam
- State Key Laboratory of Chirosciences, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong, SAR, P.R. China
| | - Desmond Kwok Po Hau
- Clinical Division, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, SAR, P.R. China
| | - Wai Yeung Wong
- Department of Chemistry, Hong Kong Baptist University, Hong Kong, SAR, P.R. China
| | - Zhaoxiang Bian
- Clinical Division, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, SAR, P.R. China
| | - Roberto Gambari
- Department of Life Sciences and Biotechnology, Section of Biochemistry and Molecular Biology, University of Ferrara, Ferrara, Italy
| | - Chung Hin Chui
- State Key Laboratory of Chirosciences, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong, SAR, P.R. China; Clinical Division, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, SAR, P.R. China
| |
Collapse
|