Before heading off to visit dear colleagues at the Public Health Agency of Sweden tomorrow morning, I thought I'd do a quick 'This Month...' post.
Tropical Parasitology has published a paper by Elghareeb and colleagues on 'Laboratory Diagnosis of Blastocystis in Diarrheic Patients'. I was asked to do a Guest Commentary on their paper, and if your're interested you can download my comments here for free (html version). The paper by Elghareeb et al. should also be free for download at the website.
I have been very lucky to work together with Dr Prashant K Pandey and his colleauges in Pune, India. Together we just published the first data on Blastocystis subtypes ever to appear in India for what I know. We subtyped Blastocystis in a cohort of healthy Indian individuals, and found ST1 and ST3 in 27/100 adult individuals tested, while other common subtypes, ST2 and ST4, were absent. Remarkably, ST3 was seen in all positive individuals, while ST1 was seen only in mixed infections. The strains (alleles) found in India were no different to those found in for instance Europe.
There is a paper out by Rossen and colleagues from The Netherlands showing that Blastocystis is relatively uncommon in patients with active ulcerative colitis (UC) and significantly less common in UC patients (13.3%) than in healthy individuals (32.5%). This is completely in line with data that we generated in Denmark a couple of years ago. In fact, at two separate occasions we have been able to look into patients with inflammatory bowel disease. In both cases (one study has been submitted for publication), hardly any Blastocystis was found in patients with Crohn's disease, while a few patients with UC were positive; however, mostly patients with inactive disease appeared to have Blastocystis, while those with flare-ups were negative. Therefore, the influence of dysbiosis on Blastocystis colonisation should be subject to further scrutiny.
A lot of action goes on at the official website for the 1st International Blastocystis Symposium in Ankara in May, with exactly three months to go! Why not take a minute to browse the programme for the Pre-Symposium Course and the Scientific Programme for the actual Symposium? Please go here to familiarise yourself with the new content.
Also, conference abstracts are pouring in, - did you submit yours yet?
References
Elghareeb AS, Younis MS, El Fakahany AF, Nagaty IM, & Nagib MM (2015). Laboratory diagnosis of Blastocystis spp. in diarrheic patients. Tropical Parasitology, 5 (1), 36-41 PMID: 25709951
Stensvold, C. (2015). Laboratory diagnosis of Blastocystis spp Tropical Parasitology, 5 (1) DOI: 10.4103/2229-5070.149885
Pandey PK, Verma P, Marathe N, Shetty S, Bavdekar A, Patole MS, Stensvold CR, & Shouche YS (2015). Prevalence and subtype analysis of Blastocystis in healthy Indian individuals. Infection, Genetics and Evolution: Journal of Molecular Epidemiology and Evolutionary Genetics in Infectious Diseases PMID: 25701123
Rossen NG, Bart A, Verhaar N, van Nood E, Kootte R, de Groot PF, D'Haens GR, Ponsioen CY, & van Gool T (2015). Low prevalence of Blastocystis sp. in active ulcerative colitis patients. European Journal of Clinical Microbiology & Infectious Diseases: Official Publication of the European Society of Clinical Microbiology PMID: 25680316
Tropical Parasitology has published a paper by Elghareeb and colleagues on 'Laboratory Diagnosis of Blastocystis in Diarrheic Patients'. I was asked to do a Guest Commentary on their paper, and if your're interested you can download my comments here for free (html version). The paper by Elghareeb et al. should also be free for download at the website.
I have been very lucky to work together with Dr Prashant K Pandey and his colleauges in Pune, India. Together we just published the first data on Blastocystis subtypes ever to appear in India for what I know. We subtyped Blastocystis in a cohort of healthy Indian individuals, and found ST1 and ST3 in 27/100 adult individuals tested, while other common subtypes, ST2 and ST4, were absent. Remarkably, ST3 was seen in all positive individuals, while ST1 was seen only in mixed infections. The strains (alleles) found in India were no different to those found in for instance Europe.
There is a paper out by Rossen and colleagues from The Netherlands showing that Blastocystis is relatively uncommon in patients with active ulcerative colitis (UC) and significantly less common in UC patients (13.3%) than in healthy individuals (32.5%). This is completely in line with data that we generated in Denmark a couple of years ago. In fact, at two separate occasions we have been able to look into patients with inflammatory bowel disease. In both cases (one study has been submitted for publication), hardly any Blastocystis was found in patients with Crohn's disease, while a few patients with UC were positive; however, mostly patients with inactive disease appeared to have Blastocystis, while those with flare-ups were negative. Therefore, the influence of dysbiosis on Blastocystis colonisation should be subject to further scrutiny.
A lot of action goes on at the official website for the 1st International Blastocystis Symposium in Ankara in May, with exactly three months to go! Why not take a minute to browse the programme for the Pre-Symposium Course and the Scientific Programme for the actual Symposium? Please go here to familiarise yourself with the new content.
Also, conference abstracts are pouring in, - did you submit yours yet?
References
Elghareeb AS, Younis MS, El Fakahany AF, Nagaty IM, & Nagib MM (2015). Laboratory diagnosis of Blastocystis spp. in diarrheic patients. Tropical Parasitology, 5 (1), 36-41 PMID: 25709951
Stensvold, C. (2015). Laboratory diagnosis of Blastocystis spp Tropical Parasitology, 5 (1) DOI: 10.4103/2229-5070.149885
Pandey PK, Verma P, Marathe N, Shetty S, Bavdekar A, Patole MS, Stensvold CR, & Shouche YS (2015). Prevalence and subtype analysis of Blastocystis in healthy Indian individuals. Infection, Genetics and Evolution: Journal of Molecular Epidemiology and Evolutionary Genetics in Infectious Diseases PMID: 25701123
Rossen NG, Bart A, Verhaar N, van Nood E, Kootte R, de Groot PF, D'Haens GR, Ponsioen CY, & van Gool T (2015). Low prevalence of Blastocystis sp. in active ulcerative colitis patients. European Journal of Clinical Microbiology & Infectious Diseases: Official Publication of the European Society of Clinical Microbiology PMID: 25680316
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