نتایج جستجو برای: mitotic index
تعداد نتایج: 432190 فیلتر نتایج به سال:
The in vivo genotoxic potential of Stomp Xtra herbicides was evaluated in a freshwater fish Channa punctatus by assessing mitotic index in the kidney cells and micronuclei in the peripheral blood cells. Fish were exposed to five sub-lethal concentrations of Stomp Xtra containing a.i. pendemethalin at 0.293 (10% of LC50), 0.587 (20% of LC50), 0.881 (30% of LC50), 1.174 (40% of LC50) and 1.468 (5...
Colon cancer cells frequently display minisatellite instability (MIN) or chromosome instability (CIN). While MIN is caused by mismatch repair defects, the lesions responsible for CIN are unknown. The observation that CIN cells fail to undergo mitotic arrest following spindle damage suggested that mutations in spindle checkpoint genes may account for CIN. However, here we show that CIN cells do ...
Abstract A karyotypic study was performed on 12 Iranian local onion (Allium cepa L.) populations. A number of mitotic cells at metaphase stage for each population were prepared. Chromosomes of suitable mitotic cells were counted and various parameters, including long arm (L), short arm (S), total length of chromosome (TL), relative length of chromosome (RL), arm ratio (AR), r-value, total chro...
The grading system for pancreatic neuroendocrine tumors (PanNETs) adopted in 2010 by the World Health Organization (WHO) mandates the use of both mitotic rate and Ki67/MIB-1 index in defining the proliferative rate and assigning the grade. In cases when these measures are not concordant for grade, it is recommended to assign the higher grade, but specific data justifying this approach do not ex...
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