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Showing 2 results for Bone Marrow

Naser Mirazi, Maryam Gholami ,
Volume 19, Issue 8 (11-2016)
Abstract

Abstract

Background: Carbon tetrachloride is one of the chemical toxins, disturbing bone marrow texture and changing the serum blood proteins. In this study, the protective effect of Avicennia marina leaf extract on bone marrow texture of rats induced by carbontetrachloride is investigated.

Materials and Methods: 42 male rats were divided randomly in to 6 groups: group induced by CCl4 (carbon tetrachloride 1:1 with olive oil, 2 ml/kg single dose, i,p), sham(taking olive oil, 2ml/kg i,p single dose) and control (taking normal saline, 2ml/kg, i,p single dose ). Treated groups (1,2 and3): induced by carbon tetrachloride 1:1 with olive oil, 2ml/kg single dose and then after two hours treated by 200mg/Kg, 400mg/Kg and 800mg/kg AME /day for 96 hrs, i,p) After the examination the blood samples were collected from heart directly and WBC and blood proteins such as Albumin, total protein separation of serum and Sections sternum bone were analyzed. Data were analyzed by ANOVA and statistical significance differences were accepted at(p<0.05).

Results:  The necrotic bone marrow texture, WBC, serum Albumin and total protein of the treatment groups showed a significant increase rather than group induced by CCl4(p<0.001).

Conclusion:  The Avicennia marina leaf has active antioxidant and flavonoids compounds which probably have protective effects on bone marrow texture from toxic agents such as CCl4.


Maryam Salem, Abolfazl Bayrami, Tooba Mirzapour, Mohsen Sagha,
Volume 21, Issue 1 (4-2018)
Abstract

Abstract
Background: According to application of Retinoic acid in differentiation of the stem cells to different cells and its role in apoptotic of cancer cells, the selection of appropriate dose for differentiation of stem cells is important. Thus in this study the effects of Retinoic acid in different concentrations on viability stem cells to select the appropriate dose for differentiation was investigated.
Materials and Methods: In this study, bone marrow mesenchymal stem cells were affected by different concentrations of Retinoic acid. Survival of cells was investigated after 3, 10 and 15 days of culture by MTT assay. DAPI staining was used to evaluate the number of apoplectic nuclei in treated cells after 10 and 15 days.
Results: After three days of culture, the results showed that a large number of cells are destroyed at concentrations of 10-4, 10-3 and 10-2M of Retinoic acid, while in 10-5 and 10-6 M of Retinoic acid, it is not observed many apoptosis. Amount of 10-5M Retinoic acid after 10 days showed significant apoptosis, while the concentration of 10-6 M Retinoic acid after 15 days showed significant apoptosis compared to the control group (p<0.05).
Conclusion: It looks that 10-6 M Retinoic acid is an appropriate concentration for differentiation of mesenchymal stem cells.

 


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