Suplementasi Vitamin D3 Dosis Tinggi Menurunkan Kalsifikasi Tulang Femur pada Janin Mencit
DOI:
https://doi.org/10.21776/ub.jkb.2017.029.03.1Keywords:
Janin, kalsifikasi tulang, vitamin D3Abstract
Kelebihan asupan vitamin D pada mencit yang bunting dapat menyebabkan penurunan massa tulang janin. Penelitian dilakukan untuk mengetahui apakah pemberian suplementasi vitamin D3 dosis tinggi dapat mengganggu kalsifikasi tulang femur janin mencit. Metode eksperimental laboratorium dengan rancangan acak lengkap dilakukan menggunakan lima ekor mencit jantan dan lima ekor mencit (Mus musculus L.) betina galur Swiss Webster berumur 8-12 minggu. Subjek penelitian adalah lima janin mencit dari hasil perkawinan yang hidup. Mencit dibagi ke dalam lima macam perlakuan yaitu KN (kontrol negatif), perlakuan A (13 IU vitamin D3), perlakuan B (13 IU vitamin D3), perlakuan C (13 IU vitamin D3), dan perlakuan D (13 IU vitamin D3). Mencit dikawinkan, kemudian diberi suplementasi sejak usia kebuntingan 11 hari. Pada usia kebuntingan 20 hari, mencit dikorbankan kemudian dilakukan pewarnaan Alizarin Red S terhadap janin. Parameter yang diuji adalah panjang tulang femur janin mencit yang mengalami kalsifikasi setelah diberi perlakuan. Analisis data menggunakan uji Analysis of Varian (ANOVA) satu arah yang dilanjutkan dengan uji Least Significance Different (LSD) dengan α=0,05. Hasil menunjukkan bahwa janin mencit yang diberi vitamin D3 dosis tinggi (kelompok C dan D) memiliki panjang kalsifikasi tulang femur yang berbeda bermakna (p≤0,05) yaitu lebih pendek dibandingkan dengan kontrol negatif, kelompok A, dan kelompok B. Simpulan penelitian adalah pemberian vitamin D3 dosis tinggi menurunkan kalsifikasi tulang femur janin mencit.
Kata Kunci: Janin, kalsifikasi tulang, vitamin D3
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