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Factors affecting the success of resynchronization protocols with or without progesterone supplementation in dairy cows
Annette Forro , Georgios Tsousis, Nicola Beindorff, Ahmad Reza Sharifi, Christos Brozos, Heinrich Bollwein 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2015, 제 16권 제 1호 16 121-126 (6 pages)
Cow synchronized and not found pregnant were randomly assigned to two resynchronization protocols: ovsynch without progesterone (P4) supplementation (n = 66) or with exogenous P4 administered from Days 0 to 7 (n = 67). Progesterone levels were measured on Days 0 and 7 of these protocols as well as 4 and 5 days post-insemination. Progesterone supplementation raised the P4 levels on Day 7 (p... protocols for bovines with and without progesterone supplementation. Cow synchronized and not found pregnant were randomly assigned to two resynchronization protocols: ovsynch without progesterone (P4) supplementation (n = 66) or with exogenous P4 administered from Days 0 to 7 (n = 67). Progesterone levels were measured on Days 0 and 7 of these protocols as well as 4 and 5 days post-insemination. Progesterone supplementation raised the P4 levels on Day 7 (p ＜... -
Estrogen receptor independent neurotoxic mechanism of bisphenol A, an environmental estrogen
Yoot Mo Lee, Min Jae Seong, Jae Woong Lee, Yong Kyung Lee, Tae Myoung Kim, Sang-Yoon Nam, Dae Joong Kim, Young Won Yun, Tae Seon 대한수의학회 Journal of Veterinary Science 12 Pages
대한수의학회 Journal of Veterinary Science 2007, 제 8권 제 1호 5 27-38 (12 pages)
higher level) than the normal environmental exposure level. However, it is thought that the concentration of BPA in the blood could reach in the micro-molar range in the case of high-dose oral supplementation or intravenous therapy. In addition, BPA may increase physiological effects in combination with natural hormones. Thus, even though it does not waken the public interest at present, the... cause developmental toxicity and carcinogenic effects. BPA may have physiological activity through estrogen receptor (ER) -α and -β, which are expressed in the central nervous system. We previously found that exposure of BPA to immature mice resulted in behavioral alternation, suggesting that overexposure of BPA could be neurotoxic. In this study, we further investigated the molecular neurotoxic mechanisms of BPA. BPA increased vulnerability (decrease of cell viability and differentiation, and... -
The relationship of ionized magnesium with Eimeria tenella infection in broiler chicken: a novel mechanism of self-limiting process
Kwan Seob Shim, Jang Ok Cha, Mahbubur Rahman, Shang Jin Kim 대한수의학회 대한수의학회 학술대회발표집 2 Pages
대한수의학회 대한수의학회 학술대회발표집 추계학술심포지움 291 493-494 (2 pages)
of dietary Nigella sativa seed supplementation on broiler performance, meat lipid peroxidation, antioxidant and other meat qualities Md. Mahbubur Rahman, Hyung-Sub Kang, Jin-Shang Kim, Shang-Jin Kim * College of Veterinary Medicine, Chonbuk National University Introduction: The objective of our study to evaluate the effects of Nigella sativa (NS) seeds supplementation on meat quality and... -
Differential regulation of senescence and in vitro differentiation by 17β-estradiol between mesenchymal stem cells derived from male and female mini-pigs
Won-Jae Lee, Seung-Chan Lee, Jeong-Hyun Lee, Gyu-Jin Rho, Sung-Lim Lee 대한수의학회 Journal of Veterinary Science 12 Pages
대한수의학회 Journal of Veterinary Science 2016, 제 17권 제 2호 5 159-170 (12 pages)
Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Cheongju 28159, Korea The characterization and potential of mesenchymal stem cells (MSCs) are gender dependent and estrogen influences these properties. This study demonstrated that supplementation with 17-estradiol (E2) increases the proliferation of bone marrow-MSCs derived from male and female mini-pigs (Mp- and Fp-BMSCs) in a... The characterization and potential of mesenchymal stem cells (MSCs) are gender dependent and estrogen influences these properties. This study demonstrated that supplementation with 17β-estradiol (E2) increases the proliferation of bone marrow-MSCs derived from male and female mini-pigs (Mp- and Fp-BMSCs) in a concentration-dependent manner, with 10 M E2 suggested as the optimal dose of E2 that led to the greatest improvement in BMSCs proliferation. Supplementation of 10 M E2 resulted in... -
Development of in vitro produced porcine embryos according to serum types as macromolecule
Jungmin Son, Don Buddika Oshadi Malaweera, Eunsong Lee, Sangtae Shin, Jongki Cho 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2013, 제 14권 제 3호 11 315-321 (7 pages)
on oocyte maturation. During follicular development, the estrogen concentration in follicular fluid gradually increases in response to FSH stimulation. However, after the ovulatory LH surge or treatment with hCG, the estradiol concentration decreases drastically, after which the concentration of progesterone increases [3,12,14,15]. In fact, GTH supplementation of the IVM medium could be... higher in the PGS group, with no significant differences in the blastocyst formation. However, when GTH was supplemented into the IVM media, there were no significant differences among the four groups in the cleavage rates, development rates of the blastocyst, and cell number of the blastocyst after PA and IVF. In conclusion, PGS is an efficient macromolecule in porcine IVM, and GTH supplementation of the IVM media is beneficial when PS is used as macromolecule, regardless of its origin. -
Effects of endocrine disrupting chemicals on expression of phospholipid hydroperoxide glutathione peroxidase mRNA in rat testes
In-Jeoung Baek, Jung-Min Yon, Se-Ra Lee, Yan Jin, Mi-Ra Kim, Byeongwoo Ahn, Jin Tae Hong, Young-Kug Choo, Beom Jun Lee, Young Wo 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2007, 제 8권 제 3호 2 213-218 (6 pages)
supplementation with testosterone in prepubertal male rats prenatally treated with busulfan. Acta Endocrinol (Copenh) 1985, 109, 550-557. 34.White R, Jobling S, Hoare SA, Sumpter JP, Parker MG. Environmentally persistent alkylphenolic compounds are estrogenic. Endocrinology 1994, 135, 175-182. 35.Yagi K, Komura S, Kojima H, Sun Q, Nagata N, Ohishi N, Nishikimi M. Expression of human phospholipid... Phospholipid hydroperoxide glutathione peroxidase (PHGPx), an antioxidative selenoprotein, is modulated by estrogen in the testis and oviduct. To examine whether potential endocrine disrupting chemicals (EDCs) affect the microenvironment of the testes, the expression patterns of PHGPx mRNA and histological changes were analyzed in 5-week-old Sprague-Dawley male rats exposed to several EDCs such as an androgenic compound [testosterone (50, 200, and 1,000 ?g/kg)], anti-androgenic compounds... -
Effects of R. Glutinosa and E. Senticosus on Postmenopausal Osteoporosis
SooYeonOh, DipendraKumarAryal, Yoon-GyoonKim, , Hyung-GunKim, 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2007, Vol.11 No.3 7 121-127 (7 pages)
calcium absor- ption, increased serum parathyroid hormone concentra- tions, and ultimate bone loss. Thus, calcium and vitamin supplementation appear to be important for the prevention and cure of postmenopausal osteoporosis.Despite differen- ces in the dose and length of supplementation, even the calcium therapy alone is worthwhile for decreasing bone loss.Beneficial effects have been seen with a... In this study, we investigated the therapeutic effects of a novel formulation of low-dose calcium and vitamin D3, blended with Rehmannia glutinosa Libosch and Eleutherococcus senticosus Max (RE), in postmenopausal women. The controls were given either a placebo or high dose calcium and vitamin D3 (CaD). Bone mineral density (BMD) in the L2-3 lumber spines and femur regions was assessed, and serum osteocalcin, bone-specific alkaline phosphatase (BALP), and cross-linked N-telopeptide... -
우울증상을 수반한 폐경후 여성에서 항우울제와 Estraderm TTS의 병합치료 효과에 대한 연구
송현철, 조숙행 대한신경정신의학회 신경정신의학 10 Pages
대한신경정신의학회 신경정신의학 1995, 제 34권 제 3호 8 690-699 (10 pages)
Lack of efficacy of estrogen supplementation to imipramine in resistant female depressives. Biol Psychiatry 20 : 576-579 Sherwin B, Gelfand M(1985) : Sex steroids and affect in the surgical menopause : A double-blind cross over study. Psychoneuroendocrinology 10 I 325-335 Sherwin B(l988) : Affective changes with estrogen and androgen replacement therapy in surgically meno pausal women. J... -
β-Estradiol이 토끼 근위 세뇨관 상피세포의 성장에 미치는 영향
박상호(Sang-Ho Park), 정주호(Joo-Ho Chung), 고계창(Kye-Chang Ko), 정지창(Jee-Chang Jung) 대한약리학회 대한약리학잡지 12 Pages
대한약리학회 대한약리학잡지 1993, 제 29권 제 1호 8 73-84 (12 pages)
also the effects of 3 growth factors and l'/-estradiol supplementation on the growth of primary rabbit kidney proximal tubule cells in the serum-free medium. 1 nM of t,'-estradiol showed a sizable potentiation effect on the growth of the proximal tubule cell in serum-free medium, but higher concentration (> 10 nM) of estradiol indeed inhibited the growth. In the absence of hydrocortisone as a... Steroid hormone의 하나인 β-estradiol이 serum-free medium에서 배양한 토끼의 신장 근위세뇨관 상피세포의 세포성장과 기능에 미치는 영향을 관찰한 바 다음과 같은 결과를 얻었다 1. Serum-free medium에서 토끼의 신장 근위세뇨관 상피세포는 β-estradiol 1 nM의 농도에서 유의한 세포 성장 촉진 효과를 나타내었고, β-estradiol 10 nM이상의 농도에서는 세포성장이 억제되었다. 2. β-Estradiol은 serum-free medium에서 성장촉진인자의 하나인 hydrocortisone을 뺀 조건하에서 세포 성장을 증가시키었다. 3. β-Estradiol은... -
난소 적출로 유발된 골다공증 흰쥐에서 콩나물 추출 이소플라본이 골대사 관련 호르몬 및 조직학적 변화에 미치는 영향
김계엽, 심기철, 김기도, 조건식, 김경윤 한국보건기초의학회 한국보건기초의학회지 8 Pages
한국보건기초의학회 한국보건기초의학회지 2009, Vol.2 No.1 4 23-30 (8 pages)
2005). 특히 폐경기 이후 여성들에 있어서 estrogen의 감소는 필연적이다. 이로 인한 골다공증의 발 생 이후 척추와 대퇴골의 골절을 초래하고 이는 사망률과 이환율 을 증가시키는 원인이 되고 있어 국민 보건측면에서 사회적, 개인 적, 경제적으로 심각한 문제를 초래하고 있다. 골다공증을 치료하고자 칼슘, 칼시페롤(calciferol), 칼시트리롤 (calcitriol) 등의 약물을 투여하고 있으며(허균행 등, 1994), 치료 이전에 폐경기...