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. 2012 Dec 28;23(3):683-688.
doi: 10.1007/s00580-012-1671-7. eCollection 2014.

Micronucleus frequency among Iraqi thyroid disorder patients

Abdul Hussein Moyet AlFaisal  1 , Intesar Jawad Kahdoom Al-Ramahi  2 , Ismail Abdul Redah Abdul-Hassan  1
Affiliations

Micronucleus frequency among Iraqi thyroid disorder patients

Abdul Hussein Moyet AlFaisal et al. Comp Clin Path. .

Abstract

Micronucleus (MN) assay has been extensively used in detection of DNA damage, instability in cancer, and genetic disorders. In the current study, MN, binucleated cells, and nuclear division index (NDI) were investigated in Iraqi patients with thyroid disorders. The results indicated significantly (p < 0.05) increased binucleated cells with micronucleus (BNMN) frequencies in thyroid cancer group (37.58 ± 3.07) versus other thyroid disorder groups (6.60 ± 1.29, 14.90 ± 1.69, 15.56 ± 1.76). On the other hand, the frequency of micronucleus per 1,000 and the NDI were significantly (p < 0.05) decreased in hypothyroidism (MN 1.55 ± 0.36) (NDI 0.009 ± 0.001) versus other thyroid disorder groups (MN: 6.05 ± 0.97, 6.09 ± 0.53, 5.34 ± 0.56) (NDI: 0.049 ± 0.003, 0.032 ± 0.002, 0.025 ± 0.002), with no difference versus healthy group (0.0 ± 0.0). The number of BNMN and MN are parallel to the severity of thyroid disorders which were 6.60 ± 1.29, 14.90 ± 1.69, 15.56 ± 1.76, and 37.58 ± 3.07 for hypothyroidism, thyroid toxic goiter, thyroid nontoxic goiter, and thyroid cancer, respectively. The number of BNMN and MN are parallel to the severity of thyroid disorders which were 6.60 ± 1.29, 14.90 ± 1.69, 15.56 ± 1.76, and 37.58 ± 3.07 for hypothyroidism, thyroid toxic goiter, thyroid nontoxic goiter, and thyroid cancer, respectively. The results also indicate that there were no significant differences among age and sex groups as related with BNMN formation within each thyroid disorder groups and healthy control group.

Keywords: BN; Micronucleus; NDI; Thyroid disorders.

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Figures

Fig. 1
Fig. 1
Binucleate (BN) cells with Micronucleus (MN) in thyroid disorders patients (×100)
See this image and copyright information in PMC

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