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1.
Bioinformatics ; 39(11)2023 11 01.
Artigo em Inglês | MEDLINE | ID: mdl-37950456

RESUMO

SUMMARY: In recent years, phased small interfering RNA has been found to play crucial roles in many biological processes in plants. However, efficiently predicting phasiRNA regulatory cascades with computational methods is still challenging. Here, we introduce PhasiHunter, a phasiRNA regulatory network prediction tool that has several distinctive features compared to existing tools: (i) PhasiHunter employs two major phasiRNA prediction algorithms, namely phase score and hypergeometric distribution-based methods, to ensure the integrity and accuracy of prediction; (ii) PhasiHunter can identify phasiRNAs and their regulatory networks based on multiple reference sequences and the predicted results can be automatically integrated; (iii) PhasiHunter can efficiently identify the phasiRNAs generated through alternative splicing events; and (iv) the excellent data structure and parallel computing architecture allow PhasiHunter to predict phasiRNAs and their regulatory pathways with high efficiency. AVAILABILITY AND IMPLEMENTATION: PhasiHunter is an open-source tool that is available at https://github.com/HuangLab-CBI/PhasiHunter.


Assuntos
Regulação da Expressão Gênica de Plantas , MicroRNAs , RNA Interferente Pequeno/genética , Plantas/genética , RNA de Plantas/genética , MicroRNAs/genética
2.
Minim Invasive Ther Allied Technol ; 23(6): 357-60, 2014 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-25308716

RESUMO

INTRODUCTION: CO2 pneumoperitoneum has been used to establish an operation space in laparoscopic surgery. It may have some bad consequences, such as respiratory and circulatory system changes, hypotension and hypoxia in infants and the release of free tumor cells into the abdominal cavity. Gasless laparoscopic technique can avoid these adverse effects. But present gasless laparoscopic techniques have their own disadvantages. The main shortcoming of gasless laparoscopic techniques is inadequate operative space. MATERIAL AND METHODS: We herein describe a new technique. We used a self-designed spindle-like abdominal wall-lifting device to perform gasless laparoscopic cholecystectomy in seven pigs, recording the operation time, bleeding volume and unexpected occurrences during the operation. RESULTS: Seven pigs underwent laparoscopic cholecystectomy using this technique with no conversion to open operation. The operation time was between 21 minutes and 65 minutes, with a mean operative time of 42.5 minutes. The range of bleeding volumes was 2 ml to 8 ml, with a mean operative bleeding volume of 4.3 ml. There were no massive hemorrhages, internal organ injuries or other complications during the operation. CONCLUSIONS: These preliminary outcomes indicate that the spindle-like abdominal wall-lifting device is feasible and safe in gasless laparoscopic cholecystectomy, which can provide sufficient exposure of the operative filed.


Assuntos
Parede Abdominal , Colecistectomia Laparoscópica/instrumentação , Colecistectomia Laparoscópica/métodos , Animais , Desenho de Equipamento , Hemorragia , Duração da Cirurgia , Pneumoperitônio Artificial , Suínos
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