Cryopreservation of prepubertal mouse testicular tissue by vitrification  

Oleh:

Curaba, M. ; Verleysen, M. ; Amorim, Christiani Andrade ; Dolmans, Marie-Madeleine ; Langendonckt, Anne Van ; Hovatta, Outi ; Wyns, Christine ; Donnez, Jacques

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Fertility and Sterility (keterangan: ada di ClinicalKey) vol. 95 no. 04 (Mar. 2011), page 1229-1234.
Topik: FERTILITY; Prepubertal testicular tissue; cryopreservation; vitrification; slow-freezing; fertility preservation; in vitro organotypic culture

Ketersediaan

Perpustakaan FK Nomor Panggil: F02.K.2011.03 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

Lihat Detail Induk

Isi artikel

Objective To compare cryopreservation of prepubertal testicular tissue after vitrification (V) and slow-freezing (SF). Design Prospective experimental study. Setting Academic research unit. Animal(s) Six-day-old mice. Intervention(s) After cryopreservation, viability tests (n = 10) and short-term culture (1 and 3 days) (n = 5) were performed. A comparison was made with fresh (FR) and noncultured controls (FR Ctrl). Main Outcomes Measure(s) Tissue viability was assessed by lactate dehydrogenase release assay. Apoptosis (caspase-3) and proliferation (Ki67) were evaluated by immunohistochemistry, and tubular diameter, integrity, and cell density by light microscopy. Result(s) Lactate dehydrogenase release was greater after SF than V (54.6% vs. 26.7%), whereas the mean number of apoptotic cells/tubule was higher after V than SF (2.13 vs. 0.07). On day 1, a decrease in cell density was noted in both cryopreserved groups, but this difference was not subsequently observed. On day 3, an increase in proliferation was seen in the SF and V groups versus FR tissue, and similar tubular diameter, integrity, and cell density were found in all cultured groups. Conclusion(s) This study shows that both SF and V protocols preserve survival, development, and integrity of prepubertal mouse testicular tissue in short-term organotypic culture. Additional investigation should now be conducted to assess tissue functionality.

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