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Journal of Tropical Life Science : International Journal of Theoretical, Experimental, and Applied Life Sciences
Published by Universitas Brawijaya
ISSN : 20875517     EISSN : 25274376     DOI : -
Core Subject : Agriculture, Social,
Agriculture, Biological Sciences & Forestry Environmental Science
The Journal of Tropical Life Science (JTLS) provides publication of full-length papers, short communication and review articles describing of new finding or theory in living system, cells and molecular level in tropical life science and related areas. The journal publishes articles that report novel findings of wide Tropical Life system phenomenon in the areas of biodiversity, agriculture, fisheries, health, husbandry, forestry and environmental technology. JTLS has 1 volume with 3 issues per year.
Arjuna Subject : -
Articles 12 Documents
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Search results for , issue "Vol. 3 No. 1 (2013)" : 12 Documents clear
A Comparison Between Hyclone And Biowest: Effects To Human MSCs Proliferation, Morphology, And Osteogenic Differentiation Tania Saskianti; Kanawa Misami; Yukio Kato
Journal of Tropical Life Science Vol. 3 No. 1 (2013)
Publisher : Journal of Tropical Life Science

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Abstract

Mesenchymal stem cells (MSC) are expanded in a basal culture medium supplemented with fetal bovine serum (FBS) with or without additional growth factors. The serum contains basic components such as hormones and growth factors which provide robust MSC proliferation. However, the effects of different serum in the isolation and proliferation of primary MSC remains unclear. In this study we compared effect of serums on stimulating MSC proliferation and osteogenic differentiation. Therefore we evaluated the impact of Hyc1 and Bw1 containing medium on primary MSC morphology. Primary MSC grown in both serum containing medium retain the ability to differentiate into osteoblast. Bw1 containing serum showed slightly, unsignificanty higher potential as compared to Hyc1. However more detailed analysis on the composition of each serum on overall MSC morphology and proliferation must be further explored. The result of this study should form a basis for further studies examining specific substance needed in MSC proliferation and differentiation in more detail.
Formaldehyde And Benzo(Α)Pyrene induced Cells Necrotic in Mice Liver Ahmad Soni; sri Widyarti; Aris Suwondo
Journal of Tropical Life Science Vol. 3 No. 1 (2013)
Publisher : Journal of Tropical Life Science

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Abstract

Formaldehyde and benzo(α)pyrene are compounds that harmful for health. Misapplication of this compound have an impact in the form of organ damage in the body. This study aims to determine the impact of the treatment of the combined exposure of formaldehyde and benzo(α)pyrene to cell necrosis in the liver of mice (Mus musculus). Treatment of formaldehyde dose of 25 mg/kg BW to mice were given ​​orally every day for 60 days. Treatment of benzo(α)pyrene via intraperitoneal injection at a dose of 250 mg/kg BW were given after 30 days of incubation with four times injection with one day interval. Liver organ histological preparations were made through the HE staining. Observations were made by using a microscope for liver organ preparations. The data obtained that is the percentage of cells necrosis and necrotic foci. This research used Completely Randomized Design (CRD) with 95% confidence interval. Liver organ preparations observations indicate that the percentage of necrosis in the untreated control, benzo(α)pyrene 250 mg/kg BW, Formaldehyde 25 mg/kg BW, combination of formaldehyde 25 mg/kg BW with BaP in a row that is equal to 14.43% ± 0.91; 26.05% ± 3.75; 49.38% ± 2.66; 51.86 ± 1.73. The mean of necrotic foci in liver organ formed in the untreatment control, benzo(α)pyrene 250 mg/kg BW, Formaldehyde 25 mg/kg BW, and the combination of formaldehyde 25 mg/kg BW with BaP in a row, equal to 1.3 ± 0,07; 1.63 ± 0.61; 2 ± 0.51, and 3.4 ± 0.76. This suggests that the combined treatment had the highest level of toxicity compared with other treatments.

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