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Kim, Han-Joon,Kim, Chung-Ho,Hao, Tianyao,Liu, Lihua,Kim, Kwang-Hee,Jun, Hyunggu,Jou, Hyeong-Tae,Moon, Sunghoon,Xu, Ya,Wu, Zhiqiang,Lu, Chuanchuan,Lee, Sang Hoon Elsevier 2019 Journal of Asian earth sciences Vol.180 No.-
<P><B>Abstract</B></P> <P>Two major tectonic units in NE Asia are the Sino-Korean (or North China) and South China Blocks that collided in the Permo-Triassic periods. The South China Block is suggested to extend eastward to the Korean Peninsula across the southern Yellow Sea. The Gunsan Basin is a well-defined, fault-bounded sedimentary basin in the SE Yellow Sea and is regarded as a structural link of the South China Block to the Korean Peninsula. We collected deep seismic sounding data recorded on ocean bottom seismometers to investigate how the crustal structure and nature of the South China Block vary in the Gunsan Basin toward the middle part of the Korean Peninsula. The main part of the Gunsan Basin is underlain by relatively thin (∼10 km thick) upper and much thicker (∼20 km thick) lower crustal layers, indicating a close affinity to the South China Block; whereas it shows distinction from the Korean Peninsula underlain by upper and lower crustal layers with equal (∼15 km) thickness. A change in crustal structure is recognized under the eastern margin of the Gunsan Basin toward the Korean Peninsula, that features a transition to the Korean Peninsula. The thick lower crustal layer in the Gunsan Basin appears to be inherited from the evolution of the South China Block including crustal shortening associated with the assembly of Rodinia in the Neoproterozoic before the collision between the Sino-Korean and South China Blocks.</P> <P><B>Highlights</B></P> <P> <UL> <LI> We image how the crustal stucture nature vary in the SE Yellow Sea. </LI> <LI> The Gunsan Basin is underlain by relatively thin upper and much thick lower crustal layers. </LI> <LI> A transition in crustal structure is recognized from the South China Block to the Korean Peninsula. </LI> <LI> The crustal structure is inherited from the growth of Rodinia. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
( Cheng-en Hsieh ),( Yuh-ming Hwu ),( Sheng-hsiang Li ),( Chung-hao Lu ),( Ming-huei Lin ),( Robert Kuo-kuang Lee ) 대한산부인과학회 2016 대한산부인과학회 학술대회 Vol.102 No.-
Objective: To investigate the effect of vascular endothelial growth factor (VEGF) and fibroblast growth factor 2 (FGF2) on revascularization, survival, and oocyte quality of cryopreserved, subcutaneously transplanted mouse ovarian tissue. Methods: Outbred ICR mice (n = 112) were used as the animal model. Vitrified mouse ovarian tissues were treated without (control group) or with VEGF and FGF2 before autologous subcutaneous transplantation. After transplantation for 2 or 3 weeks, grafts’ survival, angiogenesis, and oocyte quality were examined. Results: VEGF and FGF2 promoted revascularization and significantly increased the survival rate of subcutaneously transplanted cryopreserved ovarian tissues compared with the untreated grafted control. The two growth factors did not show long-term effects on the ovarian grafts. In contrast to the untreated ovarian grafts, active folliculogenesis was revealed as the number of various follicles was significantly higher or had an increased trend in the VEGF and FGF2-treated ones. Though the fertilization rate had no differences between VEGF/FGF2 and control group; however, the oocyte quality was much better in the VEGF/FGF2-treated grafts as demonstrated by the higher ratio of blastocyst development. Conclusions: Introducing of angiogenic factors such as VEGF and FGF2 may be a promising strategy to improve revascularization, survival, and oocyte quality of cryopreserved, subcutaneously transplanted mouse ovarian tissue.