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Journal : Annales Bogorienses

Development of Mice Embryo (Mus musculus L.) after Closed Pulled Straw Vitrification in CZB Medium Gunawan, Muhammad; Kaiin, Ekayanti Mulyawati; Rusherdiannita, Raden Cindy; Alipin, Kartiawati
Annales Bogorienses Vol. 23 No. 2 (2019): Annales Bogorienses
Publisher : BRIN

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Abstract

The objective of our present experiment was to investigate the effects of closed pulled straw (CPS) vitrification on the viability and development of mouse embryo. The experiment was arranged according to completely randomized design (CRD) consisting of 4 treatments, namely not vitrification (NV) is control, CPS 1 (mCZB Hepes + 20% Bovine Serum Albumin (BSA) +0.5 M sucrose + 10% EG + 10% DMSO), CPS 2 (mCZB Hepes + 20% BSA + 0.5 M sucrose + 15% EG + 15% DMSO), and CPS 3 (mCZB Hepes + 20% BSA +0.5 M sucrose + 20% EG + 20% DMSO) with 6 replications. The viability of embryos (%) was determined after 24 - 72 h of the culture period, while we also observed the percentage of embryos reaching the blastocyst stage (early blastocyst, expanded, hatching, and hatched). As a result, the treatments did not give a significant difference in the viability of embryos (P<0,05) but showed significant effects on embryo development (P<0,05). Furthermore, this present work conclusively found that CPS vitrification in CZB medium with cryoprotectants ethylene glycol (EG) and dimethyl sulfoxide (DMSO) noticeably influenced the development of mice embryo to reach the blastocyst stage, but showed no remarkable difference in the viability of embryo after culture for 24 – 72 h.
Biological Analysis of Leydig Cells-Conditioned Medium to Support Rat Bone Marrow Mesenchymal Stem Cells Differentiation Kaiin, Ekayanti Mulyawati; Prasetyaningtyas, Wahono Esthi; Mohamad, Kusdiantoro; Djuwita, Ita; Yusuf, Tuty Laswardi; Setiadi, Mohamad Agus
Annales Bogorienses Vol. 22 No. 1 (2018): Annales Bogorienses
Publisher : BRIN

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Abstract

The developed Leydig cells-conditioned medium (LCM) contains bioactive materials secreted by Leydig cells in vitro. LCM was used to evaluate the ability of bone marrow mesenchymal stem cells differentiation. Bone marrow mesenchymal stem cells (1x 106 cell/ml) were cultured in : 1) DMEM supplemented with 10% NBCS as a control (M), 2) M supplemented with 10 ng/ml testosterone; 3) M supplemented with 50% LCM ; 4) M supplemented with 50% LCM and 2.5 IU/ml hCG. Bone marrow mesenchymal stem cells that were cultured with LCM has a positive reaction (57.4%) to histochemistry staining 3β-HSD and produced 1.87 ng/ml testosterone. Supplementation of hCG to LCM increased the positive number of Leydig cells and testosterone production by 74.6% and 12.33 ng/ml (P<0.05). It can be concluded that Leydig cells-conditioned medium can support differentiation of bone marrow mesenchymal stem cells into Leydig cells.