Displaying publications 1 - 20 of 107 in total

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  1. Fulltext Recurrent vaginal candidiasis
    Loh KY, Sivalingam N
    Med J Malaysia, 2003 Dec;58(5):788-92.
    PMID: 15190674
    Recurrent vaginal candidiasis is one of the most common reasons for patients visiting their primary care doctors. Majority of the cases are caused by Candida albicans. Controlling of risk factors such as diabetes mellitus, used of broad spectrum antibiotics, contraceptive pills and steroid therapy helps in managing recurrent vaginal candidiasis. Initial 14-day course of oral azoles and followed by 6 months maintenance are effective in treating majority of the cases. Failure to treat recurrent vaginal candidiasis can lead to various bio-psycho-social complications.
    Matched MeSH terms: Candidiasis, Vulvovaginal*
  2. Fulltext Tuberculosis of gallbladder with candidiasis, a rare entity
    Leong BD, Chan KW, Ramu P, Kumar VM, Chuah JA
    Med J Malaysia, 2011 Jun;66(2):146-7.
    PMID: 22106698 MyJurnal
    Gallbladder tuberculosis (GT) is an extremely rare condition. This is thought to be due to the protective property of bile against the infection. Clinical and radiological diagnosis of GT is difficult. We describe a case of GT who initially presented to us with jaundice, a right hypochondrial mass and computed tomographic findings suggestive of gallbladder empyema. Diagnosis was made from histopathological examination of the resected gallbladder which revealed epitheloid granulomas with caseating necrosis and presence of Langhan's giant cells. From a literature search and to the best of our knowledge, this is the first GT to be reported in South East Asia.
    Matched MeSH terms: Candidiasis/complications; Candidiasis/diagnosis*; Candidiasis/therapy
  3. Fulltext Candida sake--a rare cause of fungal endocarditis
    Anuradha S, Agarwal SK, Prakash A, Singh NP, Kaur R
    Med J Malaysia, 2008 Mar;63(1):75-6.
    PMID: 18935744
    Matched MeSH terms: Candidiasis/microbiology*
  4. Fulltext Activity of Novel Synthetic Peptides against Candida albicans
    Lum KY, Tay ST, Le CF, Lee VS, Sabri NH, Velayuthan RD, et al.
    Sci Rep, 2015;5:9657.
    PMID: 25965506 DOI: 10.1038/srep09657
    Candida spp. are the most common causes of fungal infections worldwide. Among the Candida species, Candida albicans remains the predominant species that causes invasive candidiasis in most countries. In this study, we used two peptides, KABT-AMP and uperin 3.6 as templates to develop novel antifungal peptides. Their anticandidal activity was assessed using a combination of MIC, time-killing assay and biofilm reduction assay. Hybrid peptides, KU2 and KU3 containing a mixed backbone of KABT-AMP and Uperin 3.6 demonstrated the most potent anticandidal activity with MIC values ranging from 8-16 mg/L. The number of Trp residues and the amphipathic structure of peptides probably enhanced the anticandidal activity of peptides. Increasing the cationicity of the uperin 3.6 analogues resulted in reduced MIC from the range of 64-128 mg/L to 16-64 mg/L and this was also correlated with the antibiofilm activity and killing kinetics of the peptides. Peptides showed synergistic effects when used in combination with conventional antifungals. Peptides demonstrated low haemolytic activity but significant toxicity on two normal human epithelial cell lines. This study provides us with a better understanding on the structure-activity relationship and the balance between cationicity and hydrophobicity of the peptides although the therapeutic application of the peptides is limited.
    Matched MeSH terms: Candidiasis/drug therapy*
  5. Differentiated sap (4-6) gene expression of Candida albicans isolates from HIV-positive patients with oral candidiasis and commensals in healthy individuals
    Meylani V, Sembiring L, Fudholi A, Wibawa T
    Microb Pathog, 2021 Sep;158:105075.
    PMID: 34224845 DOI: 10.1016/j.micpath.2021.105075
    Gene expression of SAP 4-6 based on the detection of mRNA was observed in Candida albicans isolates from HIV-positive patients with oral candidiasis and commensal from healthy individuals. The species of C. albicans strains were selectively isolated from both sources using CHROMagar Chromogenic Media. The obtained isolates were then induced to express SAP 4-6 using SAP 4-6 gene inducer media. Analysis of gene expression was performed on a molecular basis using the RT-PCR method. Molecular analysis of gene expression showed that the isolates CH3 from HIV-positive patients with oral candidiasis could express SAP 4-6 gene, while commensal isolates from healthy people could not. Based on the results of this study, it could be concluded that, in terms of molecular detection, only isolates from HIV-positive patients (CH3) could express their SAP 4-6 gene.
    Matched MeSH terms: Candidiasis, Oral*
  6. Streptococcus salivarius K12 inhibits Candida albicans aggregation, biofilm formation and dimorphism
    Mokhtar M, Rismayuddin NAR, Mat Yassim AS, Ahmad H, Abdul Wahab R, Dashper S, et al.
    Biofouling, 2021 08;37(7):767-776.
    PMID: 34425729 DOI: 10.1080/08927014.2021.1967334
    Candida albicans causes candidiasis, particularly in immunocompromised patients. Streptococcus salivarius K12 (K12) is a probiotic isolated from a healthy oral cavity. The study aimed to determine the effect of K12 on C. albicans aggregation, biofilm formation and dimorphism. C. albicans ATCC MYA-4901, acquired immunodeficiency syndrome (AIDS) isolate (ALC2), and oral cancer isolate (ALC3) and K12 were used in the study. All C. albicans strains and K12 were grown in yeast peptone dextrose agar and brain heart infusion agar, respectively, prior to aggregation, biofilm and dimorphism assays. Auto-aggregation of C. albicans MYA-4901 and ALC2 was categorised as high, while the co-aggregation of the strains was low in the presence of K12. C. albicans total cell count decreased significantly when co-cultured with K12 compared with monocultured C. albicans biofilm (p 
    Matched MeSH terms: Candidiasis*
  7. Fulltext Multi-step pathogenesis and induction of local immune response by systemic Candida albicans infection in an intravenous challenge mouse model
    Chin VK, Foong KJ, Maha A, Rusliza B, Norhafizah M, Chong PP
    Int J Mol Sci, 2014;15(8):14848-67.
    PMID: 25153636 DOI: 10.3390/ijms150814848
    Different murine species differ in their susceptibility to systemic infection with Candida albicans, giving rise to varied host immune responses, and this is compounded by variations in virulence of the different yeast strains used. Hence, this study was aimed at elucidating the pathogenesis of a clinical C. albicans isolate (HVS6360) in a murine intravenous challenge model by examining the different parameters which included the counts of red blood cells and associated components as well as the organ-specific expression profiles of cytokines and chemokines. Kidneys and brains of infected mice have higher fungal recovery rates as compared to other organs and there were extensive yeast infiltration with moderate to severe inflammation seen in kidney and brain tissues. Red blood cells (RBCs) and haemoglobin (Hb) counts were reduced throughout the infection period. Pattern recognition receptors (PRRs), chemokines and cytokine transcription profiles were varied among the different organs (kidney, spleen and brain) over 72 h post infections. Transcription of most of the PRRs, cytokines and chemokines were suppressed at 72 h post infection in spleen while continuous expression of PRRs, cytokines and chemokines genes were seen in brain and kidney. Reduction in red blood cells and haemoglobin counts might be associated with the action of extracellular haemolysin enzyme and haeme oxygenase of C. albicans in conjunction with iron scavenging for the fungal growth. Renal cells responsible for erythropoietin production may be injured by the infection and hence the combined effect of haemolysis plus lack of erythropoietin-induced RBC replenishment leads to aggravated reduction in RBC numbers. The varied local host immune profiles among target organs during systemic C. albicans infection could be of importance for future work in designing targeted immunotherapy through immunomodulatory approaches.
    Matched MeSH terms: Candidiasis/immunology*; Candidiasis/metabolism
  8. Mycology of Onychomycosis: A 5-year retrospective review (2011 - 2015) in Hospital Kuala Lumpur
    Ramalingam R, Kunalan S, Tang MM
    Med J Malaysia, 2017 06;72(3):190-192.
    PMID: 28733568 MyJurnal
    Onychomycosis is a common nail disease with numerous etiological pathogens. In order to determine and trend the local mycological pattern of culture-positive diseased nail samples sent from the Department of Dermatology, Hospital Kuala Lumpur, a five-year retrospective audit was carried out, which revealed that non-dermatophyte molds were the predominant fungi isolated, followed by yeasts and dermatophytes. This is similar to two previous studies in Malaysia, but varies greatly from other studies around the world which showed a dermatophyte-predominant prevalence. This could be due to the nature of the environment our patients encountered.
    Matched MeSH terms: Candidiasis/microbiology; Candidiasis/epidemiology
  9. Fulltext Torulopsis glabrata in vaginitis
    Chin CS, Cheong YM
    Med J Malaysia, 1988 Sep;43(3):250-1.
    PMID: 3241585
    Matched MeSH terms: Candidiasis, Vulvovaginal/microbiology*
  10. The High-Quality Complete Genome Sequence of the Opportunistic Fungal Pathogen Candida vulturna CBS 14366T
    Navarro-Muñoz JC, de Jong AW, Gerrits van den Ende B, Haas PJ, Then ER, Mohd Tap R, et al.
    Mycopathologia, 2019 Dec;184(6):731-734.
    PMID: 31734799 DOI: 10.1007/s11046-019-00404-0
    Candida vulturna is a new member of the Candida haemulonii species complex that recently received much attention as it includes the emerging multidrug-resistant pathogen Candida auris. Here, we describe the high-quality genome sequence of C. vulturna type strain CBS 14366T to cover all genomes of pathogenic C. haemulonii species complex members.
    Matched MeSH terms: Candidiasis/microbiology
  11. Lactobacillus probiotics restore vaginal and gut microbiota of pregnant women with vaginal candidiasis
    Ang XY, Roslan NS, Ahmad N, Yusof SM, Abdullah N, Nik Ab Rahman NN, et al.
    Benef Microbes, 2023 Nov 23;14(5):421-431.
    PMID: 38350486 DOI: 10.1163/18762891-20220103
    The development of probiotics has now included the areas along the gut-vaginal axis. We thus aimed to investigate the effects of lactobacilli probiotic to modulate and restore vaginal and gut microbiota of pregnant women with vaginal candidiasis (VC). A randomised, double-blind and placebo-controlled study was performed in 78 pregnant women with VC. Patients were randomised to either the probiotic (SynForU-HerCare) or placebo which were administered at baseline and continued for 8-weeks (two capsules/day of 9.5 log cfu/capsule). Microbiota profiles were assessed at time points of weeks-0, 4 and 8 for high vaginal swab and faecal samples. Shannon diversity index showed that after 8-weeks amid VC, a shift in microbial community compositional changes occurred in the high vaginal region at both genus (P=0.025) and species (P=0.044) levels, where the administration of probiotic prevented such a shift. These changes were mainly attributed to a decreased in abundance of Lactobacillus (P=0.042) accompanied by increased abundance of Prevotella (P=0.002) and Atopobium (P=0.002) in the placebo group while the probiotic group remained unchanged over time. The administration of probiotics also prevented a reduced abundance of faecal phylum Firmicutes after 8-weeks as seen in the placebo group (P<0.0001), which also showed reduction at subsequent taxonomic levels of class, family, genera and species. VC has not only altered the microbiota of vagina regions but also gut microbiota profiles, causing lessening of gut microbiota that are crucial for gut nutrient availability, protection and immunity. The administration of lactobacilli probiotics has prevented such a shift, leading to better modulated gut and vaginal microenvironment amid VC. The study was registered at ClinicalTrials.gov: identifier number NCT03940612.
    Matched MeSH terms: Candidiasis, Vulvovaginal*
  12. Potential use of a monoclonal antibody for the detection of Candida antigens in an experimental systemic candidiasis model
    Wong SF, Mak JW, Pook CK
    Hybridoma (Larchmt), 2008 Oct;27(5):361-73.
    PMID: 18823263 DOI: 10.1089/hyb.2008.0021
    The Candida species are the most common fungal pathogens of systemic candidiasis. The diagnosis of invasive candidiasis remains a laboratory and clinical challenge. Thus, development of diagnostic assays to detect systemic candidiasis and to identify Candida virulence factors and associated pathogenesis through immunohistochemistry using specific monoclonals and polyclonals will be useful. Inbred Balb/c mice were immunized with C. albicans antigens, and blood was checked for the presence of reactive antibodies using ELISA. Fusion was performed using the harvested spleen cells and NS1 myeloma cells, and the clones were screened for the presence of antibody producing hybrid cells by dot-blot. Western blot analysis showed that the L2D10 monoclonal antibody was reactive against the antigens with molecular weight of 20 kDa. Experimental systemic candidiasis in mice was induced through intravenous injection of C. albicans and all the vital organs were collected for immunohistochemistry study. The monoclonal antibody reacted to surface epitopes on the yeast cells, germ tubes, and hyphae, and to immune complexes. It was used with the polyclonal antibody in a sandwich ELISA for the detection of circulating antigens in experimental candiadiasis in mice. Antibody levels were also determined using the ELISA method, and the antibody levels of C. albicans infected mice were increased compared with uninfected animals. The monoclonal antibody was used in immunoperoxidase and immunofluorescence techniques for the detection of fungal infection in tissue sections and was found to be more sensitive than conventional periodic acid Schiff or silver staining techniques. This monoclonal antibody may serve as potential primary capture antibodies for the development of a rapid diagnostic test for human systemic fungal infection.
    Matched MeSH terms: Candidiasis/blood*; Candidiasis/diagnosis; Candidiasis/microbiology
  13. Oral candidosis in non-Hodgkin's lymphoma: a case report
    Siar CH, Ng KH, Rasool S, Ram S, Abdul Jalil A, Ng KP
    J Oral Sci, 2003 Sep;45(3):161-4.
    PMID: 14650581
    Though oral candidosis is an opportunistic fungal infection that commonly affects immunocompromised patients, little is known of its occurrence as a complication of Non-Hodgkin's lymphoma. This paper reports a case of oral candidosis in a 20-year-old Indonesian woman with this lymphoproliferative disease. She presented with acute pseudomembranous candidosis on the dorsum and lateral borders of the tongue, bilateral angular cheilitis and cheilocandidosis. The latter is a rare clinical variant of oral candidosis, and the lesions affecting the vermilion borders presented as an admixture of superficial erosions, ulcers and white plaques. Clinical findings were confirmed with oral smears and swabs that demonstrated the presence of hyphae, pseudohyphae and blastospores, and colonies identified as Candida albicans. A culture from a saline rinse was also positive for multiple candidal colonies. Lip and oral lesions were managed with Nystatin. The lesions regressed with subsequent crusting on the lips, and overall reduction in oral thrush. As Non-Hodgkin's lymphoma is a neoplastic disease that produces a chronic immunosuppressive state, management of its oral complications, including those due to oral candidosis, is considered a long-term indication.
    Matched MeSH terms: Candidiasis, Oral/complications*; Candidiasis, Oral/drug therapy; Candidiasis, Oral/pathology
  14. Echinocandins in the treatment of candidaemia and invasive candidiasis: clinical and economic perspectives
    Neoh CF, Slavin M, Chen SC, Stewart K, Kong DC
    Int J Antimicrob Agents, 2014 Mar;43(3):207-14.
    PMID: 24670423 DOI: 10.1016/j.ijantimicag.2013.08.010
    Candidaemia and invasive candidiasis (IC) complicate modern medical therapy, contributing to high morbidity and mortality. Managing candidiasis is costly, with an additional healthcare expenditure of nearly US$300 million annually. Recent consensus guidelines have suggested the use of newer antifungal agents, such as echinocandins, for the treatment of candidaemia and IC owing to promising clinical outcomes compared with older-generation antifungal agents, but at higher drug acquisition and administration costs. Comprehensive cost-effectiveness data for echinocandins in treating candidaemia and IC remain relatively scant, underlining the need for more studies to incorporate robust economic analyses into clinical decisions. Assessment of the cost efficiencies of these expensive antifungal agents is essential for maximising health outcomes within the constraints of healthcare resources. This review will explore the epidemiology of candidaemia and IC in the context of clinical and economic aspects of the antifungal agents used to treat IC, especially the echinocandins. Standardising the outcome measure, methodology and reporting of results used in economic studies is central to ensure validity and comparability of the findings. Future studies comparing the economic advantages of all available antifungal treatment options and in the context of new diagnostic tools for fungal infections are anticipated.
    Matched MeSH terms: Candidiasis, Invasive/drug therapy*; Candidiasis, Invasive/mortality; Candidiasis, Invasive/epidemiology
  15. Evidence for a general-purpose genotype in Candida albicans, highly prevalent in multiple geographical regions, patient types and types of infection
    Schmid J, Herd S, Hunter PR, Cannon RD, Yasin MSM, Samad S, et al.
    Microbiology (Reading), 1999 Sep;145 ( Pt 9):2405-2413.
    PMID: 10517593 DOI: 10.1099/00221287-145-9-2405
    Epidemiological studies, using the probe Ca3, have shown that in a given patient population a single cluster of genetically related Candida albicans isolates usually predominates. The authors have investigated whether these local clusters are part of a single group, geographically widespread and highly prevalent as an aetiological agent of various types of candidiasis. An unrooted neighbour-joining tree of 266 infection-causing C. albicans isolates (each from a different individual) from 12 geographical regions in 6 countries was created, based on genetic distances generated by Ca3 fingerprinting. Thirty-seven per cent of all isolates formed a single genetically homogeneous cluster (cluster A). The remainder of isolates were genetically diverse. Using the maximum branch length within cluster A as a cut-off, they could be divided into 37 groups, whose prevalence ranged between 0.3% and 9%. Strains from cluster A were highly prevalent in all but one geographical region, with a mean prevalence across all regions of 41%. When isolates were separated into groups based on patient characteristics or type of infection, strains from cluster A had a prevalence exceeding 27% in each group, and their mean prevalence was 43% across all patient characteristics. These data provide evidence that cluster A constitutes a general-purpose genotype, which is geographically widespread and acts as a predominant aetiological agent of all forms of candidiasis in all categories of patients surveyed.
    Matched MeSH terms: Candidiasis/microbiology*; Candidiasis/epidemiology*; Candidiasis/pathology
  16. Fulltext Endogenous endophthalmitis as a septic complication postureteroscope candiduria
    Inn FX, Md Noh UK, Jasman MH
    Urol Ann, 2017 2 22;9(1):83-85.
    PMID: 28216938 DOI: 10.4103/0974-7796.198902
    Ureteroscopy (URS) is commonly used by urologists to treat ureteral stones. It is a relatively low-risk procedure. Both urinary tract obstruction and contamination of instrument can cause candiduria post-URS, and this infection can be treated with an antifungal medication. Candidemia is known as hematogenous dissemination, and ocular tissue is a common invasion. However, endogenous endophthalmitis, due to postureteroscope candiduria, has not been reported up to date. This is a devastating complication that may lead to visual loss. Here, we describe a case of endogenous endophthalmitis as a consequence of candiduria after URS.
    Matched MeSH terms: Candidiasis
  17. Emerging Complexity and the Need for Advanced Drug Delivery in Targeting Candida Species
    Wadhwa R, Pandey P, Gupta G, Aggarwal T, Kumar N, Mehta M, et al.
    Curr Top Med Chem, 2019;19(28):2593-2609.
    PMID: 31746290 DOI: 10.2174/1568026619666191026105308
    BACKGROUND: Candida species are the important etiologic agents for candidiasis, the most prevalent cause of opportunistic fungal infections. Candida invasion results in mucosal to systemic infections through immune dysfunction and helps in further invasion and proliferation at several sites in the host. The host defence system utilizes a wide array of the cells, proteins and chemical signals that are distributed in blood and tissues which further constitute the innate and adaptive immune system. The lack of antifungal agents and their limited therapeutic effects have led to high mortality and morbidity related to such infections.

    METHODS: The necessary information collated on this review has been gathered from various literature published from 1995 to 2019.

    RESULTS: This article sheds light on novel drug delivery approaches to target the immunological axis for several Candida species (C. albicans, C. glabrata, C. parapsilosis, C. tropicalis, C. krusei, C. rugose, C. hemulonii, etc.).

    CONCLUSION: It is clear that the novel drug delivery approaches include vaccines, adoptive transfer of primed immune cells, recombinant cytokines, therapeutic antibodies, and nanoparticles, which have immunomodulatory effects. Such advancements in targeting various underpinning mechanisms using the concept of novel drug delivery will provide a new dimension to the fungal infection clinic particularly due to Candida species with improved patient compliance and lesser side effects. This advancement in knowledge can also be extended to target various other similar microbial species and infections.

    Matched MeSH terms: Candidiasis/drug therapy*; Candidiasis/immunology; Candidiasis/microbiology*
  18. Evidence-based practical management of vulvovaginal candidiasis in primary care
    Loh KY, Sivalingam N
    Family Physician, 2005;13:20-21.
    Matched MeSH terms: Candidiasis
  19. Dissecting Candida albicans Infection from the Perspective of C. albicans Virulence and Omics Approaches on Host-Pathogen Interaction: A Review
    Chin VK, Lee TY, Rusliza B, Chong PP
    Int J Mol Sci, 2016 Oct 18;17(10).
    PMID: 27763544
    Candida bloodstream infections remain the most frequent life-threatening fungal disease, with Candida albicans accounting for 70% to 80% of the Candida isolates recovered from infected patients. In nature, Candida species are part of the normal commensal flora in mammalian hosts. However, they can transform into pathogens once the host immune system is weakened or breached. More recently, mortality attributed to Candida infections has continued to increase due to both inherent and acquired drug resistance in Candida, the inefficacy of the available antifungal drugs, tedious diagnostic procedures, and a rising number of immunocompromised patients. Adoption of animal models, viz. minihosts, mice, and zebrafish, has brought us closer to unraveling the pathogenesis and complexity of Candida infection in human hosts, leading towards the discovery of biomarkers and identification of potential therapeutic agents. In addition, the advancement of omics technologies offers a holistic view of the Candida-host interaction in a non-targeted and non-biased manner. Hence, in this review, we seek to summarize past and present milestone findings on C. albicans virulence, adoption of animal models in the study of C. albicans infection, and the application of omics technologies in the study of Candida-host interaction. A profound understanding of the interaction between host defense and pathogenesis is imperative for better design of novel immunotherapeutic strategies in future.
    Matched MeSH terms: Candidiasis/genetics; Candidiasis/immunology; Candidiasis/pathology*
  20. Prevalence of albicans and non-albicans candiduria in a Malaysian medical centre
    Ding CH, Wahab AA, Muttaqillah NA, Tzar MN
    J Pak Med Assoc, 2014 Dec;64(12):1375-9.
    PMID: 25842581
    To determine the proportion of albicans and non-albicans candiduria in a hospital setting and to ascertain if fluconazole is still suitable as empirical antifungal therapy based on antifungal susceptibility patterns of Candida species.
    Matched MeSH terms: Candidiasis/drug therapy*; Candidiasis/microbiology*; Candidiasis/epidemiology; Candidiasis/urine
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