Wenmin Cheng1,2*, Weirong Pan1,2, Yubo Qing1, Yingchao Liu1, Xingqin Zha1,2, Yan Huang2, Jige Xin1,2, Hongjiang Wei1 and Yangzhi Zeng2

...rotein in the nucleus of oocytes which can promote in vitro nucleosome formation. In this study, to improve the efficiency of SCNT in Banna Mini-pig Inbred Line (BMI), we obtained the recombinant nucleoplasmin (Npm) by using a prokaryotic expression system and compared the difference on the developmental effects between exogenous Npm and its structural analog, polyglutamic acid (PGA). We chose the pMD18-T vector for Npm expression and transformed E. coli BL21 ...
Fang Wang, Yong-Fang Jia, Po Wang, Qi-Yan Du and Zhong-Jie Chang*

 

...d that LET could inhibit oocyte growth in female and promote the development of testes in males. For the gonad differentiation related genes, the expression profiles of Cyp19A and Cyp19B show a pattern of increase in short time and low concentration, but decline in long time and high concentration. Arα has a trend of increases, ERα shows downwards trend. Dax and Foxl2 are female-biased genes, their expression profiles show simil...
Mousa O. Germoush1,*, Mohsen G. Al-Mutary2, Ahmad R. Al-himaidi3, Muath G. Al-Ghadi3, Daisaku Iwamoto3,4, Yousef Al-anazi3, Aiman Ammari3, Javed Ahmad3,5, Abdulaziz Al-Khedhairy3,5
...d supplementation on the oocyte in vitro maturation and early embryonic development after in vitro fertilization. Sheep follicular fluid (SFF) was collected from different ovaries and supplemented to the in vitro maturation (IVM) media with proportions 0%, 10%, 20% and 40%. Oocyte maturation was assessed in different treatments and then cumulus-oocyte complexes were us...
Şehriban Çek Yalnız 1,* and Erdal Yilmaz2
...lasmic organelles of the oocyte were disintegrated. The theca of atretic mature oocytes was hypertrophied and persisted to form the interstitial cells, whereas the granulosa cells were regressed and disappeared. Erythrocytes and leukocytes were also detected at the advance stage of atresia. Apoptosis in the granulosa cells were clearly detected. The chromatin condensation against the nuclear envelope, cell shrinkage, surface...
Junli Sun1,2,3, Lin Bai1 2, Xiaogan Yang1,2, Yangqing Lu1,2, Shengsheng Lu1,2,* and Kehuan Lu1,2,*
... reproduction (IVF). The oocytes are inevitably ruptured by the microinjector in the process of microoperatin. To study the effects of mechanical damage from microopetations on embryo development, we analyzed 60 the spent culture media of porcine parthenogenetic embryos experienced different types of microopetation using Raman spectroscopy. The results showed that Group II with the puncture of egg zona and plasma membrane had the highest cleavage rate and blas...
Asima Azam1, Asma-Ul-Husna2, Saima Qadeer3, Qaisar Shahzad4, Rabea Ejaz1, Nemat Ullah5, Tasneem Akhtar4 and Shamim Akhter2,*
Abd El-Nasser Ahmed Mohammed1,2,*
...iological parameters and oocyte quality after ovarian transplantation upon dietary supplementation of 1.0 and 2.0% of Nigella sativa (N. sativa) oil to female mice and secondly to explore if dietary N. sativa is effective in alleviation of hypothermia and hyperglycemia due to general anesthesia. Seventy-five albino female mice (21.74 ± 0.19) were distributed into three groups; control (G1; N=25; not receive N. sativa oil) and...
Lei Gao1, Gong-xue Jia2, Zheng-yuan Huang1, Ming-xing Yue3, Chao Zhang1, Shi-en Zhu1 and Xiang-wei Fu1,*
...d breaks (DSBs) in mouse oocytes and resultant early embryos. Germinal vesicle (GV) oocytes were first cultured to monitor the progression of germinal vesicle breakdown (GVBD) and polar body extrusion (PBE) during in vitro maturation (IVM), then the harvested metaphase II (MII) oocytes were parthenogenetically activated to evaluate pronuclear (PN) formation of parthenogenetic embryo...
Syahruddin Said1*, Widya Pintaka Bayu Putra1 and Dani Nur Arifin2
...esis, follicular growth, oocytes maturation, ovulation and corpus luteum formation. The aim of this study was to identify the polymorphisms in the exon 11 of bLHR/HhaI gene (SNP g.1553C>T) and its association with service per conception (S/C) of Pasundan cows of West Java, Indonesia. Total of 147 Pasundan cows were used in this study. The PCR-RFLP analysed three genotypes of CC (0.11), CT (0.57) and TT (0.32) were detected in the Pasundan bLHR/Hha...
Arslan Mahmood Ahmad1, Muhammad Ameen Jamal1, Abdul Sattar1,  Aamir Ghafoor2, Aqeel Javeed3 and Amjad Riaz1*
...Artificial activation of oocyte is a one of key step in cloning. Strontium chloride (SrCl2), a calcium oscillation inducing salt, is commonly used for the artificial activation mouse oocytes; however, limited reports are available to evaluate its negative impact. The objective of this study was to optimize the concentration of SrCl2 for artificial activation of mouse oocyte
Zhi-Peng Li, Laiba Shafique, Saif ur Rehman, Kui-Qing Cui, Xiao-Can Lei, Xing-Rong Lu, De-Shun Shi* and Qing-You Liu*
...Gas6) during porcine oocyte maturation and early embryonic development were systemically investigated. The expression of Gas6 in the process of follicular development was studied by immunohistochemical staining, immunofluorescence, QRT-PCR and western blot. Immunohistochemical staining results showed that Gas6 was expressed in the oocytes, especially the nucleus, from the primary to preovulatory stages. The furthe...

Rashid Al Zeidi1, Haitham Al Masruri2, Aiman Al Mufarji3*, Abd El-Nasser Ahmed Mohammed3 

...evelopment stages on the oocyte and the surrounding cumulus cells to prepare the oocyte for further embryo development upon ovulation and fertilization. Molecules transfer to oocytes through gap junctions of cumulus cells. Therefore, cumulus cells and their secretion, follicular fluid, effect on oocyte maturation and developmental potential of the result...

Mahmoud S. Sirag1*, Effat L. El Sayed2, Mahmoud M. Hussein3, Khalid A. El-Nesr1, Mahmoud B. El-Begawey1 

...gative cows. The intact oocytes were clearly pronounced only in the negative animals. The fallopian tubes are free from any pathological lesions in the negative animals. Immunohistochemical, BVDV antigen was detected in ear notch, ovaries, fallopian tubes and uterus of one cow (1/30) (PI animal). Whereas, BVDV antigen was detected only in the genital organs of acutely infected animals (2/30) but ear notch was negative. The positive BVDV antigen was clearly ob...

Rashid Al Zeidi1, Haitham Al Masruri2, Aiman Al Mufarji3, Abd El-Nasser Ahmed Mohammed3, Al-Hassan Mohammed4* 

...vivo or in vitro include oocyte meiotic maturation, fertilization and culture processes. Oocyte maturation is the first step for in vivo or in vitro embryo production. Oocyte maturation appears to be a simple step, but it is a very complex process. Maturation of oocytes include several changes at the cytoplasmic and nuclear levels that makes the

Abd El-Nasser Ahmed Mohammed*, Aiman Al Mufarji and Sultan Alawaid

...ial follicles consist of oocytes surrounded by a single layer of pregranulosa follicular cells and they remain dormant in the meiotic prophase I stage. Primordial pregranulosa follicular cells initiate activation of primordial follicle and govern the development of dormant oocytes. The primordial follicles take about 6 months to grow and develop to ovulatory graafian follicles in cattle and humans. Growth of preantral follic...

Pakistan Journal of Zoology

October

Vol. 54, Iss. 5, Pages 2003-2500

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