Frequency and Molecular Detection of Giardia intestinalis in Children Attending Pediatrics of Punjab, Pakistan

AuthorZeeshan Nawazen
AuthorMuhammad Hidayat Rasoolen
AuthorAbu Baker Siddiqueen
AuthorMuhammad Asif Zahooren
AuthorAneeqa Nazen
AuthorSultan Alien
AuthorMuhammad Uzair Mukhtaren
OrcidZeeshan Nawaz [0000-0002-4673-2579]en
OrcidAbu Baker Siddique [0000-0002-8589-2292]en
OrcidMuhammad Asif Zahoor [0000-0002-0895-7312]en
OrcidAneeqa Naz [0000-0002-1029-4765]en
OrcidSultan Ali [0000-0001-8985-7729]en
OrcidMuhammad Uzair Mukhtar [0000-0003-0691-0518]en
Issued Date2020-01-31en
AbstractBackground: Giardia intestinalis is the most common protozoan infecting the small intestine of human beings and a major cause of enteric infection, especially in children throughout the world. It is a highly diverse protozoan, which comprises a complex of eight genetic assemblages that are further differentiated into sub-assemblages. Objectives: A cross-sectional study was conducted to detect the frequency, molecular detection and assemblage identification of G. intestinalis in children of Punjab, Pakistan. Methods: A total of 800 stool samples were collected from children ranging 0 - 10 years of age with gastrointestinal disturbances and subjected to direct microscopy, enzyme-linked immunosorbent assay and polymerase chain reaction targeting small-subunit ribosomal RNA (SSU rRNA) and triosephosphate isomerase (tpi) genes. A predesigned questionnaire was filled prior to sampling from the guardian of each child to collect information. Results: The results indicated that the prevalence of 9.5% (76/800) was achieved by microscopy, ELISA and PCR targeting SSU-rRNA gene. The genetic DNA from 69 out of 76 (90.80%) was successfully amplified by tpi gene. Among these tpi gene-positive samples, 38 were successfully typed in assemblage B (55.07%) followed by 20 (28.98%) in assemblage A and 11 (15.94%) in mixed type assemblages (A & B). Residency and socioeconomic status were statistically associated with giardiasis. Among the clinical presentations, abdominal pain is prominent in assemblage B (57.89%) and vomiting in assemblage A (40%) type infections. Conclusions: Advanced molecular tools for giardiasis are well-adapted to get true prevalence, better discrimination of assemblages and their correlation with clinical signs.en
DOIhttps://doi.org/10.5812/jjm.97080en
URIhttps://brieflands.com/journals/jjm/articles/97080en
KeywordMolecular Detectionen
Keyword<i>Giardia intestinalis</i>en
KeywordAssemblagesen
KeywordChildrenen
KeywordPakistanen
PublisherBrieflandsen
TitleFrequency and Molecular Detection of <i>Giardia intestinalis</i> in Children Attending Pediatrics of Punjab, Pakistanen
TypeResearch Articleen

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