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Jicama (Pachyrhizus erosus) fiber prevents excessive blood glucose and body weight increase without affecting food intake in mice fed with high-sugar diet
2019
Putra Santoso | Astri Amelia | Resti Rahayu
Objective: Jicama (Pachyrhizus erosus) fiber has been documented to exert an immunomodu¬latory effect both in vitro and in vivo. However, its beneficial effect against metabolic syndrome remains unknown. This study aimed to reveal whether the jicama fiber (JF) could prevent the development of diabetes and obesity caused by a high-sugar diet (HSD). Materials and Methods: The JF was isolated from its tuberous part and subsequently used as a supplemental diet for adult male Bagg and Albino (BALB)/c mice fed with a HSD. Four different diet paradigms including normal diet, HSD (30% sucrose), and HSD in combination with 10% and 25% of JF, respectively, were deployed continuously for 8 weeks. Furthermore, the blood glucose level, glucose tolerance, body weight, food and water consumption as well as epididymal white adipose tissue (WAT) and interscapular brown adipose tissue (BAT) mass were determined. Results: Our results revealed that supplementation of 25% JF could significantly prevent the blood glucose increase, excessive body weight gain, and glucose intolerance in mice fed with HSD. Moreover, 10% and 25% JF blunted the HSD-induced WAT mass gain but failed to counteract the depletion of BAT mass. Furthermore, the fiber supplementation elicited a minimum effect on rhythm and total food and water intake. Conclusion: The JF could effectively sustain blood glucose homeostasis as well as improve body weight and WAT mass profile against the development of diabetes and obesity caused by HSD. [J Adv Vet Anim Res 2019; 6(2.000): 222-230]
Показать больше [+] Меньше [-]Modulation of the dynamics and cellularity of adipose tissues in different fat depots in broilers by dietary dexamethasone
2022
Nasrin Sultana | Rafiqul Islam
Objective: The objective of this investigation was to determine the effects of dexamethasone (DEX) on the weight and cellularity of abdominal and subcutaneous fat depots. Materials and Methods: The study was conducted on four broiler chicks (20 chicks per group) fed commercial feed and water ad libitum. The DEX was supplied with feed at 0 mg/kg (non-DEX), 3 mg/kg (DEX-1), 5 mg/kg (DEX-2), and 7 mg/kg (DEX-3) from day 0 to day 28. The entire abdominal and subcutaneous fat depots were collected and weighed after sacrificing five birds from each group on days 14 and 28. Results: The DEX groups had considerably lower (p < 0.05) fat depot weights with dose-related variation noted among the DEX groups. The histological findings revealed the presence of uniloc¬ular, round to oval-shaped adipocytes. The DEX-1 and DEX-2 had way lower (p < 0.05) numbers of adipocytes while the DEX-3 had considerably higher (p < 0.05) numbers of adipocytes than the non-DEX. DEX-1 and DEX-2 had larger (p < 0.05) adipocytes whereas DEX-3 had smaller adipocytes than the non-DEX. Adipocyte sizes and fat depot weights were found to have very strong negative relationships. Conclusion: Dietary DEX affects the growth and distribution of abdominal and subcutaneous fat depots and adipocyte cellularity subjected to both dose and duration of DEX treatment. [J Adv Vet Anim Res 2022; 9(4.000): 583-590]
Показать больше [+] Меньше [-]Adipokines as metabolic modulators of ovarian functions in livestock: A mini-review
2016
Smruti Ranjan Mishra | Jaya Bharati | Mukesh Kumar Bharti | Debasish Kar | Pravas Ranjan Sahoo
Adipose tissue is the principal fat storing tissue which secretes various molecules known as adipokines. The major adipokines secreted from adipose tissue are leptin, adiponectin, visfatin, resistin, chemerin and apelin. Adipokines are regarded as the and ldquo;marker of body metabolic status'' which maintains the body energy homeostasis. An adequate energy level is essential for the onset of puberty and ovarian functions. Adipokines act as energy sensor and signal the body energy level to hypothalamic neurons to regulate many physiological activities including ovarian functions such as onset of puberty, estrus behavior, follicular development and ovulation followed by corpus luteum (CL) formation and function in livestock. However, adipose tissue dysfunctions limit adipokines secretion leading to an imbalance in body energy level which ultimately affects the reproduction in livestock. This mini-review highlights the modulatory roles of various adipokines in ovarian functions of livestock. [J Adv Vet Anim Res 2016; 3(3.000): 206-213]
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