1.Infant hand and forearm severe crush injury: A case of comprehensive microsurgery treatment
Qiqiang DONG ; Songjian ZHANG ; Shuqiang XIE ; Baofeng WANG ; Lei ZHANG ; Hongxin WANG ; Chaofan YANG ; Jianxi HOU
Chinese Journal of Microsurgery 2021;44(2):225-227
A case of a 3-year-old child suffered with severe crush injury to the right forearm and right hand on June, 2017. A comprehensive treatment was conducted with limb salvage, free flap repair and the repair of nerve, vessel and tendon for functional reconstructions followed by rehabilitation therapies. The function and appearance of the injured limb and hand recovered well 3 years after surgery.
2.Directional breeding of high oil content peanut variety Yuhua 9 by in vitro mutagenesis and screening.
Jingshan WANG ; Yanan JIANG ; Xiubo YIN ; Yanjun YI ; Jian ZHAO ; Puxiang SHI ; Songjian LI ; Shanlin YU
Chinese Journal of Biotechnology 2019;35(7):1277-1285
Leaf water potential of peanut subjected to drought stress is positively related to the oil content of peanut kernels. The aim of this study was to directly screen the high oil mutants of peanut and create the new peanut varieties using hydroxyproline as water potential regulator. In vitro mutagenesis was carried out with the embryonic leaflets of peanut variety Huayu 20 as explants and pingyangmycin as a mutagen added into the somatic embryo formation medium. The formed somatic embryos were successively transferred to somatic embryo germination and selection medium containing 6 mmol/L hydroxyproline (at -2.079 MPa water potential ) to induce regeneration and directionally screen high oil content mutants. After that, these plantlets were grafted and transplanted to the experimental field and 132 high oil mutants with oil content over 55% were obtained from the offspring of regenerated plants. Finally, among them, the oil contents of 27 lines were higher than 58% and of 2 lines were higher than 60%. A new peanut variety Yuhua 9 with high yield and oil content was bred from the regenerated plant progenies combining the pedigree breeding method. The yield was 14.0% higher than that of the control cultivar in the testing new peanut varieties of Liaoning province, and also it has passed the national registration of non-major crop varieties. Yuhua 9 with an oil content of 61.05%, which was 11.55 percentage points higher than that of the parent Huayu 20, was the peanut cultivar with the highest oil content in the world. The result showed that it was an effective way for directional breeding of high oil peanut varieties by means of the three-step technique including in vitro mutagenesis, directional screening by reducing water potential in medium and pedigree selection of regenerated plant progenies.
Arachis
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Droughts
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Germination
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Mutagenesis
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Plant Breeding
3.Reading-related Brain Function Restored to Normal After Articulation Training in Patients with Cleft Lip and Palate: An fMRI Study.
Liwei SUN ; Wenjing ZHANG ; Mengyue WANG ; Songjian WANG ; Zhen LI ; Cui ZHAO ; Meng LIN ; Qian SI ; Xia LI ; Ying LIANG ; Jing WEI ; Xu ZHANG ; Renji CHEN ; Chunlin LI
Neuroscience Bulletin 2022;38(10):1215-1228
Cleft lip and/or palate (CLP) are the most common craniofacial malformations in humans. Speech problems often persist even after cleft repair, such that follow-up articulation training is usually required. However, the neural mechanism behind effective articulation training remains largely unknown. We used fMRI to investigate the differences in brain activation, functional connectivity, and effective connectivity across CLP patients with and without articulation training and matched normal participants. We found that training promoted task-related brain activation among the articulation-related brain networks, as well as the global attributes and nodal efficiency in the functional-connectivity-based graph of the network. Our results reveal the neural correlates of effective articulation training in CLP patients, and this could contribute to the future improvement of the post-repair articulation training program.
Brain/diagnostic imaging*
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Cleft Lip/surgery*
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Cleft Palate/surgery*
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Humans
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Magnetic Resonance Imaging
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Reading