PMID- 25628757 OWN - NLM STAT- PubMed-not-MEDLINE DCOM- 20150128 LR - 20240322 IS - 1755-8166 (Print) IS - 1755-8166 (Electronic) IS - 1755-8166 (Linking) VI - 8 IP - 1 DP - 2015 TI - Genomic instability in complicated and uncomplicated Egyptian schistosomiasis haematobium patients. PG - 1 LID - 10.1186/s13039-014-0104-5 [doi] LID - 1 AB - BACKGROUND: Exploration of genetic changes during active Schistosoma infection is important for anticipation and prevention of chronic sequelae. This study aimed to explore the genomic instability in chromosomal and cellular kinetics in Egyptians suffering from uncomplicated active schistosomiasis haematobium infection in addition to chronic schistosomiasis haematobium cases complicated by bilharzial-associated bladder cancer (BAC). RESULTS: This study was conducted on 46 schistosomiasis haemotobium cases, 22 were active (Viable S. haematobium eggs in urine samples as detected by microscopy) and 24 were chronic complicated with bladder cancer. Three cytogenetic techniques were applied; the first was quantitative nuclear-morphocytometry by means of which the Feulgen-stained nuclei were analyzed for parameters including shape, size, integrated optical-density and nuclear area. The second was Fluorescent In-Situ Hybridization (FISH) for specific p53gene-locus of chromosome 17 and the third technique was karyotyping. Concerning chronic complicated cases, the mean +/- SD of DNA-content in urinary bladder tissue sections was 3.18 +/- 0.65. Five samples (20.83%) of bladder tissue sections of chronic complicated cases showed diploid nuclei, 6 urinary bladder tissue samples (25%) were tetraploid, while 13 bladder samples (54.16%) were aneuploid. Epithelial cells of urine samples demonstrated aneuploidy (mean +/- SD = 3.74 +/- 0.36).Nuclear contents showed high proliferative DNA index in all urinary epithelial cells. In the acute uncomplicated group, nuclear-DNA of urinary epithelial cells was found diploid with mean nuclear-DNA content of 2.2 +/- 0.16SD. Half of these diploid smears had a high proliferation index. The difference between nuclear DNA-contents in acute and chronic cases was significant (P = 0.0001). FISH technique for specific p53gene-locus and karyotyping were done on urinary bladder tissue specimens and peripheral blood monocytes of 8 chronic cases respectively. Three samples (37.5%) with invasive BAC had a deletion of the p53 gene. Karyotyping showed three cases out of the 8 chronic schistosomiasis haematobium patients with chromosomal fragmentations. CONCLUSIONS: DNA morphometry was valuable in detection of gross genetic changes in urothelial tissues. It is an important prognostic factor in established schistosomiasis haematobium induced bladder malignancy. It has the great advantage of being applicable on urine cells making it suitable for the prediction of a tendency towards genetic instability in active schistosomiasis haematobium patients. FAU - Abd El-Aal, Amany A AU - Abd El-Aal AA AD - Parasitology Department, Faculty of Medicine, Cairo University, Cairo, Egypt. FAU - Bayoumy, Ibrahim R AU - Bayoumy IR AD - Parasitology Department, Theodor Bilharz Research Institute, Giza, Egypt. FAU - Basyoni, Maha M A AU - Basyoni MM AD - Parasitology Department, Faculty of Medicine, Cairo University, Cairo, Egypt. FAU - Abd El-Aal, Asmaa A AU - Abd El-Aal AA AD - Clinical Pathology Department, Faculty of Medicine, Cairo University, Cairo, Egypt. FAU - Emran, Ashraf M AU - Emran AM AD - Urosurgery Department, Faculty of Medicine, Cairo University, Cairo, Egypt. FAU - Abd El-Tawab, Magda S AU - Abd El-Tawab MS AD - Parasitology Department, Faculty of Medicine, Cairo University, Cairo, Egypt. FAU - Badawi, Manal A AU - Badawi MA AD - Pathology Department, National Research Center, Giza, Egypt. FAU - Zalat, Rabab M AU - Zalat RM AD - Parasitology Department, Theodor Bilharz Research Institute, Giza, Egypt. FAU - Diab, Tarek M AU - Diab TM AD - Parasitology Department, Theodor Bilharz Research Institute, Giza, Egypt. LA - eng PT - Journal Article DEP - 20150122 PL - England TA - Mol Cytogenet JT - Molecular cytogenetics JID - 101317942 PMC - PMC4307227 OTO - NOTNLM OT - Chromosomal abnormalities OT - FISH OT - Karyotyping OT - Morphocytometry OT - Schistosomiasis haematobium EDAT- 2015/01/30 06:00 MHDA- 2015/01/30 06:01 PMCR- 2015/01/22 CRDT- 2015/01/29 06:00 PHST- 2014/10/16 00:00 [received] PHST- 2014/12/22 00:00 [accepted] PHST- 2015/01/29 06:00 [entrez] PHST- 2015/01/30 06:00 [pubmed] PHST- 2015/01/30 06:01 [medline] PHST- 2015/01/22 00:00 [pmc-release] AID - 104 [pii] AID - 10.1186/s13039-014-0104-5 [doi] PST - epublish SO - Mol Cytogenet. 2015 Jan 22;8(1):1. doi: 10.1186/s13039-014-0104-5. eCollection 2015.