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Browsing by Author "Thuwanut, Paweena"

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Activation of adenosine monophosphate-activated protein kinase (AMPK) enhances energy metabolism, motility, and fertilizing ability of cryopreserved spermatozoa in domestic cat model

Thuwanut, Paweena; Comizzoli, Pierre; Pruksananonda, Kamthorn; Chatdarong, Kaywalee; Songsasen, Nucharin (2019)

PURPOSE: Increasing intracellular energy storage by chemically activating adenosine monophosphate-activated protein kinase (AMPKa) prior to sperm cryopreservation may improve post-thawed sperm function. Using the domestic ...
Effect of extracellular adenosine 5 - triphosphate (ATPe) on cryopreserved epididymal cat sperm intracellular ATP concentration, sperm quality and <I>in vitro</I> fertilizing ability

Thuwanut, Paweena; Arya, Nlin; Comizzoli, Pierre; Chatdarong, Kaywalee (2015)

Intracellular adenosine 5 - triphosphate (ATP) is essential for supporting sperm function in the fertilization process. During cryopreservation, damage of sperm mitochondrial membrane usually leads to compromised production ...
Influence of living status (single vs. paired) and centrifugation with colloids on the sperm morphology and functionality in the clouded leopard (Neofelis nebulosa)

Tipkantha, W.; Thuwanut, Paweena; Morrell, J. M.; Comizzoli, Pierre; Chatdarong, Kaywalee (2016)

The objectives of the present study were to evaluate sperm characteristic of captive clouded leopards in Thailand and examine the structural and functional properties of sperm after selection with the single-layer ...
Responsiveness of the cheetah (<I>Acinonyx jubatus</I>) ovary to exogenous gonadotropins after preemptive oral progestin treatment

Thuwanut, Paweena; Brown, Janine L.; Comizzoli, Pierre; Crosier, Adrienne E. (2019)

Control of ovarian function in cheetahs is sub-optimal, which currently limits the integration of assisted reproductive techniques into the genetic management of that endangered species. The objective of this study was to ...
Stem cell factor promotes in vitro ovarian follicle development in the domestic cat by upregulating c-kit mRNA expression and stimulating the phosphatidylinositol 3-kinase/AKT pathway

Thuwanut, Paweena; Comizzoli, Pierre; Wildt, David E.; Keefer, Carol L.; Songsasen, Nucharin (2017)

In the present study we examined the effects of stem cell factor (SCF; 50 vs 100 ngmL(-1)) alone or in combination with epidermal growth factor (EGF; 100 ngmL(-1)) on: (1) the in vitro viability and growth of cat follicles ...
Successful laparoscopic oviductal artificial insemination in the clouded leopard (neofelis nebulosa) in thailand

Tipkantha, Wanlaya; Thuwanut, Paweena; Maikeaw, Umaporn; Thongphakdee, Ampika; Yapila, Saifon; Kamolnorranath, Sumate; Siriaroonrat, Boripat; Comizzoli, Pierre; Chatdarong, Kaywalee (2017)

Captive breeding of clouded leopards (Neofelis nebulosa) is challenging because of mating incompatibility, high incidence of teratospermia in males, and inconsistent ovulation patterns in females. Assisted reproductive ...

Browsing by Author "Thuwanut, Paweena"

Browsing by Author "Thuwanut, Paweena"

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