PubMed · 9742981
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F Biagi, G Poggioli, G Mazzoni, G R Corazza. 1998-09-12. Intestinal strictures.. https://doi.org/10.1016/s0140-6736(98)06170-4
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Celiac disease (gluten-sensitive enteropathy) may manifest clinically with an array of nongastrointestinal symptoms among which are: dermatitis herpetiformis; dementia; depression; various neurological symptoms; osteoporosis; osteomalacia; dental enamel defects, and anemia of various types. Important data have accumulated in recent years regarding the association between celiac disease, fertility and pregnancy. Many primary care obstetricians and gynecologists and perinatologists are not aware of these important relationships. The aim of this review, utilizing a MEDLINE search from 1966 through March 2000 of the English language, is to describe the possible effects of celiac disease and its treatment upon the reproductive cycle, fertility, pregnancy, and menopause. Review of the literature reveals that patients with untreated celiac disease sustain a significantly delayed menarche, earlier menopause, and an increased prevalence of secondary amenorrhea. Patients with untreated celiac disease incur higher miscarriage rates, increased fetal growth restriction, and lower birth weights. It appears that improvement of celiac disease, as reflected by restoration of small bowel mucosa associated with implementation of a gluten-free diet, may decrease miscarriage rates, improve fetal nutritional support and overall perinatal outcome.
We propose a method, the maximum identity length contrast (MILC) statistic, to locate genetic risk factors for complex diseases in founder populations. The MILC approach compares the identity length of parental haplotypes that are transmitted to affected offspring with the identity length of those that are not transmitted to affected offspring. Initially, the statistical properties of the method were assessed using randomly selected affected individuals with unknown relationship. Because both nuclear families with multiple affected sibs and large pedigrees are often available in founder populations, we performed simulations to investigate the properties of the MILC statistic in the presence of closely related affected individuals. The simulation showed that the use of closely related affected individuals greatly enhances the power of the statistic. For a given sample size and type I error, the use of affected sib pairs, instead of affected individuals randomly selected from the population, could increase the power by a factor of two. This increase was related to an increase of kinship-coefficient contrast between haplotype groups when closely related individuals were considered. The MILC approach allows the simultaneous use of affected individuals from a founder population and affected individuals with any kind of relationship, close or remote. We used the MILC approach to analyze the role of HLA in celiac disease and showed that the effect of HLA may be detected with the MILC approach by typing only 11 affected individuals, who were part of a single large Finnish pedigree.
Coeliac disease is the most common disorder with malabsorption of the small intestine, caused by the gluten fraction of cereals in genetically predisposed individuals. T-cell mediated autoimmune processes are initiated by gluten exposure, leading to both intestinal and extraintestinal manifestations, therefore coeliac disease is nowadays considered to be a systemic disorder. More and more diseases are proved to be associated with coeliac disease, in these conditions screening is strongly recommended. The studying of the recently explored autoantibodies against tissue transglutaminase brought us further in the understanding of the pathophysiology of coeliac disease. The spreading of reliable serologic methods modified our knowledge on the clinical picture and prevalence of the disease. In case of long-term dietary abuse the most common complications are decreased bone mineral density and development of lymphomas. Sustained glutenfree diet results in clinical and histological restitution, affects the course of associating diseases beneficially and decreases the risk for malignancies.