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   the influence of light on apoptosis in preimplantation mouse embryos in vitro  
   
نویسنده khalili-savadkouhi sepideh ,karimpour malekshah abbasali ,mirhoseini mehri ,moosazadeh mahmood ,shahidi maryam
منبع research in molecular medicine - 2018 - دوره : 6 - شماره : 3 - صفحه:20 -28
چکیده    Background: in vitro culture of mammalian embryos can slow or stop growth completely. this may be due to the medium used, ph, temperature, or light. there is considerable concern about the harmful effect of light in the laboratory environment. cell number and apoptosis are useful parameters that indicate embryonic development and health. in this study, we assessed these two factors in the blastocyst. materials and methods: a total of 128 embryos were extracted from nmri mice at the 2-cell stage and were divided into 4 groups. the embryos were exposed to light for 0, 5, 15, and 30 min, and then cultured for 96 h. the degree of embryonic development were recorded every 24 h. furthermore, several morphologically normal blastocysts were evaluated using the tunel assay. results: there was no significant difference in developmental stages between the experimental and control groups. an evaluation of the percentage of blastomeres and apoptotic cells revealed significant differences among the four groups. the maximum number of apoptotic blastomeres was observed in the group exposed to light for 30 minutes. conclusion: up to thirty minutes of white fluorescent light can induce apoptosis in blastomeres, but it does not prevent embryo development.
کلیدواژه apoptosis ,blastocyst ,mice ,light ,embryonic structures
آدرس mazandaran university of medical sciences, molecular and cell biology research center, hemoglobinopathy institue, faculty of medicine, iran, mazandaran university of medical sciences, molecular and biology research center, hemoglobinopathy institute, faculty of medicine, department of anatomy, iran, mazandaran university of medical sciences, molecular and cell biology research center, hemoglobinopathy institue, amol faculty of nursing and midwifery, iran, mazandaran university of medical sciences, health sciences research center, addiction institute, iran, mazandaran university of medical sciences, faculty of medicine, department of biophysics and biochemistry, iran
پست الکترونیکی shahidimaryam@yahoo.com
 
     
   
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