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    What Role do Intraepithelial Lymphocyte Counts Play in Celiac Mucosal Assessment?


    Jefferson Adams


    • What's the role of intraepithelial lymphocyte counts, and distribution in celiac disease mucosal interpretation?


    Image Caption: Photo: CC--Pascal

    Celiac.com 10/26/2017 - Making an accurate count of intraepithelial lymphocytes (IEL) is important to making an accurate diagnosis of celiac disease, but so far, researchers have not been able to establish a definitive 'normal' IEL range. In a recent multi-center study, a team of researchers set out to do just that.


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    The research team included Kamran Rostami, Michael N Marsh, Matt W Johnson, Hamid Mohaghegh, Calvin Heal, Geoffrey Holmes, Arzu Ensari, David Aldulaimi, Brigitte Bancel, Gabrio Bassotti, Adrian Bateman, Gabriel Becheanu, Anna Bozzola, Antonio Carroccio, Carlo Catassi, Carolina Ciacci, Alexandra Ciobanu, Mihai Danciu, Mohammad H Derakhshan, Luca Elli, Stefano Ferrero, Michelangelo Fiorentino, Marilena Fiorino, Azita Ganji, Kamran Ghaffarzadehgan, James J Going, Sauid Ishaq, Alessandra Mandolesi, Sherly Mathews, Roxana Maxim, Chris J Mulde, Andra Neefjes-Borst, Marie Robert, Ilaria Russo, Mohammad Rostami-Nejad, Angelo Sidoni, Masoud Sotoudeh, Vincenzo Villanacci, Umberto Volta, Mohammad R Zali, Amitabh Srivastava.

    They are variously affiliated with the twenty-eight institutions listed below. The study was designed at the International Meeting on Digestive Pathology, Bucharest 2015.

    Investigators from 19 centers in eight countries on three continents, recruited 198 patients with Marsh III histology, and another 203 control subjects. They used a single agreed upon protocol to count IEL/100 enterocytes in well-oriented duodenal biopsies. They also collected demographic and serological data.

    The research team used receiver operating characteristic (ROC) curve analysis to determine the optimal cut-off between normal and celiac disease (Marsh III lesion) duodenal mucosa, based on IEL counts on >400 mucosal biopsy specimens. The average ages of celiac and control groups were 45.5 and 38.3 years, respectively.

    They found that mean IEL count was 54±18/100 enterocytes in celiac disease and 13±8 in normal controls (p=0.0001). ROC analysis indicated an optimal cut-off point of 25 IEL/100 enterocytes, with 99% sensitivity, 92% specificity and 99.5% area under the curve. Other cut-offs between 20 and 40 IEL were less discriminatory.

    Additionally, there was a sufficiently high number of biopsies to explore IEL counts across the sub-classification of the Marsh III lesion.

    Their ROC curve analyses show that a cut-off of 25 IEL/100 enterocytes for Marsh III lesions provides the best way to distinguish between normal control and celiac disease biopsies. They saw no differences in IEL counts between Marsh III a, b and c lesions.

    There was an indication of a continuously graded dose–response by IEL to environmental gluten antigenic influence.

    Source:

    Affiliations:
    The team members for this study are affiliated with the Department of Gastroenterology and Pathology, Milton Keynes University Hospital, Milton Keynes, UK; the Department of Gastroenterology, Luton and Dunstable University Hospital, Luton, UK; the Wolfson College, University of Oxford, Oxford, UK; the Gastroenterology and Liver Diseases Research Centre, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, The Islamic Republic of Iran; the Centre for Biostatistics, Faculty of Biology, Academic Health Science Centre, University of Manchester, Manchester, UK; the Department of Gastroenterology, Royal Derby Hospital, Derby, UK; the Department of Pathology, Ankara University Medical School, Ankara, Turkey; the Department of Gastroenterology, Warwick Hospital, Warwick, UK; the Service de Pathologie, Centre de Biologie et Pathologie Groupe Hospitalier du Nord, Hospices Civils de Lyon, Lyon, France; University of Perugia Medical School, Perugia, Italy; the Department of Cellular Pathology, University Hospital Southampton NHS Foundation Trust, Southampton, UK; Department of Pathology, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania; Institute of Pathology Spedali Civili, Brescia, Italy; Internal Medicine and Pathology Unit, University of Palermo, Giovanni Paolo II Hospital, Sciacca, Italy; Department of Pediatrics and Surgical Pathology, Università Politecnica delle Marche, Ancona, Italy; Department of Medicine and Surgery, Scuola Medica Salernitana, University of Salerno, Salerno, Italy; Departments of Gastroenterology and Pathology, Grigore T. Popa University of Medicine and Pharmacy, Iasi, Romania; College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK; Digestive Disease Research Center, Tehran University Medical Science, Tehran, Iran; Center for Prevention and Diagnosis of Coeliac Disease and Pathology Unit, Fondazione IRCCS Ca' granda Ospedale Maggiore Policlinico, Milano, Italy; Department of Medical and Surgical Sciences, University of Bologna and Diagnostic and Experimental, University of Bologna, Bologna, Italy; Gastroenterology and Hepatology, Faculty of Medicine, Mashhad University 0f Medical Sciences, Mashhad, Iran; Pathology department, Razavi hospital, Mashhad, Iran; Department of Pathology, Southern General Hospital, Lanarkshire, UK; Department of Hepatogastroenterology and Pathology, Free University Medical Centre, Amsterdam, The Netherlands; Department of Pathology and Medicine, Yale University School of Medicine, New Haven, USA; Digestive Disease Research Center, Tehran University Medical Science, Tehran, Iran; Department of Pathology, Brigham & Women's Hospital, Boston, USA.

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    Jefferson Adams
    Celiac.com 06/19/2013 - Currently, immunosuppressant drugs are the only real treatment option for most autoimmune disorders, such as celiac disease and Type 1 diabetes.
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    Jefferson Adams
    Celiac.com 08/16/2016 - Celiac disease changes the composition and differentiation potential of the duodenal intraepithelial innate lymphocyte compartment, specifically, the composition and function of duodenal intraepithelial T cells.
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    RCDII changes the normally diverse and plastic innate IEL compartment, and encourages a loss of differentiation potential.
    Source:
    Gut. 2016 Aug;65(8):1269-78. doi: 10.1136/gutjnl-2014-308153.

    Jefferson Adams
    Celiac.com 01/23/2017 - It makes some kind of sense that kids with celiac disease who follow a gluten-free diet will recover, their guts will normalize, and their levels of IgA tissue transglutaminase antibodies would drop to reflect this change; whereas high antibodies likely mean no recovery, right? But is that true? Is there really a correlation on any level?
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    Journal of Pediatric Gastroenterology & Nutrition. doi: 10.1097/MPG.0000000000001460

    Jefferson Adams
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    J Allergy Clin Immunol. 2017 Mar 8. pii: S0091-6749(17)30343-3. doi: 10.1016/j.jaci.2017.02.015. 
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    Jefferson Adams
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    Celiac.com 06/18/2018 - Celiac disease has been mainly associated with Caucasian populations in Northern Europe, and their descendants in other countries, but new scientific evidence is beginning to challenge that view. Still, the exact global prevalence of celiac disease remains unknown.  To get better data on that issue, a team of researchers recently conducted a comprehensive review and meta-analysis to get a reasonably accurate estimate the global prevalence of celiac disease. 
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    Jefferson Adams
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    Dr. Ron Hoggan, Ed.D.
    Celiac.com 06/15/2018 - There seems to be widespread agreement in the published medical research reports that stuttering is driven by abnormalities in the brain. Sometimes these are the result of brain injuries resulting from a stroke. Other types of brain injuries can also result in stuttering. Patients with Parkinson’s disease who were treated with stimulation of the subthalamic nucleus, an area of the brain that regulates some motor functions, experienced a return or worsening of stuttering that improved when the stimulation was turned off (1). Similarly, stroke has also been reported in association with acquired stuttering (2). While there are some reports of psychological mechanisms underlying stuttering, a majority of reports seem to favor altered brain morphology and/or function as the root of stuttering (3). Reports of structural differences between the brain hemispheres that are absent in those who do not stutter are also common (4). About 5% of children stutter, beginning sometime around age 3, during the phase of speech acquisition. However, about 75% of these cases resolve without intervention, before reaching their teens (5). Some cases of aphasia, a loss of speech production or understanding, have been reported in association with damage or changes to one or more of the language centers of the brain (6). Stuttering may sometimes arise from changes or damage to these same language centers (7). Thus, many stutterers have abnormalities in the same regions of the brain similar to those seen in aphasia.
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    Whatever the reason that stuttering has not been reported in the medical literature in association with gluten ingestion, a number of personal disclosures and comments suggesting a connection between gluten and stuttering can be found on the Internet. Abid Hussain, in an article about food allergy and stuttering said: “The most common food allergy prevalent in stutterers is that of gluten which has been found to aggravate the stutter” (10). Similarly, Craig Forsythe posted an article that includes five cases of self-reporting individuals who believe that their stuttering is or was connected to gluten, one of whom also experiences stuttering from foods containing yeast (11). The same site contains one report of a stutterer who has had no relief despite following a gluten free diet for 20 years (11). Another stutterer, Jay88, reports the complete disappearance of her/his stammer on a gluten free diet (12). Doubtless there are many more such anecdotes to be found on the Internet* but we have to question them, exercising more skepticism than we might when reading similar claims in a peer reviewed scientific or medical journal.
    There are many reports in such journals connecting brain and neurological ailments with gluten, so it is not much of a stretch, on that basis alone, to suspect that stuttering may be a symptom of the gluten syndrome. Rodney Ford has even characterized celiac disease as an ailment that may begin through gluten-induced neurological damage (13) and Marios Hadjivassiliou and his group of neurologists and neurological investigators have devoted considerable time and effort to research that reveals gluten as an important factor in a majority of neurological diseases of unknown origin (14) which, as I have pointed out previously, includes most neurological ailments.
    My own experience with stuttering is limited. I stuttered as a child when I became nervous, upset, or self-conscious. Although I have been gluten free for many years, I haven’t noticed any impact on my inclination to stutter when upset. I don’t know if they are related, but I have also had challenges with speaking when distressed and I have noticed a substantial improvement in this area since removing gluten from my diet. Nonetheless, I have long wondered if there is a connection between gluten consumption and stuttering. Having done the research for this article, I would now encourage stutterers to try a gluten free diet for six months to see if it will reduce or eliminate their stutter. Meanwhile, I hope that some investigator out there will research this matter, publish her findings, and start the ball rolling toward getting some definitive answers to this question.
    Sources:
    1. Toft M, Dietrichs E. Aggravated stuttering following subthalamic deep brain stimulation in Parkinson’s disease--two cases. BMC Neurol. 2011 Apr 8;11:44.
    2. Tani T, Sakai Y. Stuttering after right cerebellar infarction: a case study. J Fluency Disord. 2010 Jun;35(2):141-5. Epub 2010 Mar 15.
    3. Lundgren K, Helm-Estabrooks N, Klein R. Stuttering Following Acquired Brain Damage: A Review of the Literature. J Neurolinguistics. 2010 Sep 1;23(5):447-454.
    4. Jäncke L, Hänggi J, Steinmetz H. Morphological brain differences between adult stutterers and non-stutterers. BMC Neurol. 2004 Dec 10;4(1):23.
    5. Kell CA, Neumann K, von Kriegstein K, Posenenske C, von Gudenberg AW, Euler H, Giraud AL. How the brain repairs stuttering. Brain. 2009 Oct;132(Pt 10):2747-60. Epub 2009 Aug 26.
    6. Galantucci S, Tartaglia MC, Wilson SM, Henry ML, Filippi M, Agosta F, Dronkers NF, Henry RG, Ogar JM, Miller BL, Gorno-Tempini ML. White matter damage in primary progressive aphasias: a diffusion tensor tractography study. Brain. 2011 Jun 11.
    7. Lundgren K, Helm-Estabrooks N, Klein R. Stuttering Following Acquired Brain Damage: A Review of the Literature. J Neurolinguistics. 2010 Sep 1;23(5):447-454.
    8. [No authors listed] Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 43-1988. A 52-year-old man with persistent watery diarrhea and aphasia. N Engl J Med. 1988 Oct 27;319(17):1139-48
    9. Molteni N, Bardella MT, Baldassarri AR, Bianchi PA. Celiac disease associated with epilepsy and intracranial calcifications: report of two patients. Am J Gastroenterol. 1988 Sep;83(9):992-4.
    10. http://ezinearticles.com/?Food-Allergy-and-Stuttering-Link&id=1235725 
    11. http://www.craig.copperleife.com/health/stuttering_allergies.htm 
    12. https://www.celiac.com/forums/topic/73362-any-help-is-appreciated/
    13. Ford RP. The gluten syndrome: a neurological disease. Med Hypotheses. 2009 Sep;73(3):438-40. Epub 2009 Apr 29.
    14. Hadjivassiliou M, Gibson A, Davies-Jones GA, Lobo AJ, Stephenson TJ, Milford-Ward A. Does cryptic gluten sensitivity play a part in neurological illness? Lancet. 1996 Feb 10;347(8998):369-71.

    Jefferson Adams
    Celiac.com 06/14/2018 - Refractory celiac disease type II (RCDII) is a rare complication of celiac disease that has high death rates. To diagnose RCDII, doctors identify a clonal population of phenotypically aberrant intraepithelial lymphocytes (IELs). 
    However, researchers really don’t have much data regarding the frequency and significance of clonal T cell receptor (TCR) gene rearrangements (TCR-GRs) in small bowel (SB) biopsies of patients without RCDII. Such data could provide useful comparison information for patients with RCDII, among other things.
    To that end, a research team recently set out to try to get some information about the frequency and importance of clonal T cell receptor (TCR) gene rearrangements (TCR-GRs) in small bowel (SB) biopsies of patients without RCDII. The research team included Shafinaz Hussein, Tatyana Gindin, Stephen M Lagana, Carolina Arguelles-Grande, Suneeta Krishnareddy, Bachir Alobeid, Suzanne K Lewis, Mahesh M Mansukhani, Peter H R Green, and Govind Bhagat.
    They are variously affiliated with the Department of Pathology and Cell Biology, and the Department of Medicine at the Celiac Disease Center, New York Presbyterian Hospital/Columbia University Medical Center, New York, USA. Their team analyzed results of TCR-GR analyses performed on SB biopsies at our institution over a 3-year period, which were obtained from eight active celiac disease, 172 celiac disease on gluten-free diet, 33 RCDI, and three RCDII patients and 14 patients without celiac disease. 
    Clonal TCR-GRs are not infrequent in cases lacking features of RCDII, while PCPs are frequent in all disease phases. TCR-GR results should be assessed in conjunction with immunophenotypic, histological and clinical findings for appropriate diagnosis and classification of RCD.
    The team divided the TCR-GR patterns into clonal, polyclonal and prominent clonal peaks (PCPs), and correlated these patterns with clinical and pathological features. In all, they detected clonal TCR-GR products in biopsies from 67% of patients with RCDII, 17% of patients with RCDI and 6% of patients with gluten-free diet. They found PCPs in all disease phases, but saw no significant difference in the TCR-GR patterns between the non-RCDII disease categories (p=0.39). 
    They also noted a higher frequency of surface CD3(−) IELs in cases with clonal TCR-GR, but the PCP pattern showed no associations with any clinical or pathological feature. 
    Repeat biopsy showed that the clonal or PCP pattern persisted for up to 2 years with no evidence of RCDII. The study indicates that better understanding of clonal T cell receptor gene rearrangements may help researchers improve refractory celiac diagnosis. 
    Source:
    Journal of Clinical Pathologyhttp://dx.doi.org/10.1136/jclinpath-2018-205023