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Roles of lncRNAs in Rice: Advances and Challenges

Rice science 2020年第5期27卷 384-395页

作者： Gao Caixia Zheng Xiuwen Li Hubo ussi ali mlekwa Gao Yu Xiong Jie College of Life Sciences and Medicine Zhejiang Sci-Tech University/Zhejiang Province Key Laboratory of Plant Secondary Metabolism and RegulationHangzhou 31001&China

Long non-coding RNAs(lncRNAs) larger than 200 nucleotides in length are eukaryotic RNAs, and do not encode proteins. lncRNAs are considered to be important regulators in many biological processes in plants. In this review, the latest advances in the roles of lncRNAs in rice were reviewed, and functions of lncRNAs were further summarized and classified. lncRNAs play crucial roles in tolerance to biotic and abiotic stresses such as disease, drought, heat, cold, heavy metal, and starvation of nitrogen and phosphorus in rice. In addition, lncRNAs also regulate various growth and development processes in rice. Finally, the prospect and challenges of rice lncRNA function research in future were proposed. This review will not only help us quickly grasp the frontiers of lncRNAs functional research progresses, but also propose suggestions and ideas for the directions of further lncRNA research in rice.

关键词： long non-coding RNA miRNA rice

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Vertical Transmission of Coronavirus in Obstetrics: A Myth or Truth?

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Open Journal of Obstetrics and Gynecology 2021年第3期11卷 309-314页

作者： Salma Abdi Mahmoud ali M. ussi Chukwuma J. Okafor Department of Obstetrics and Gynaecology School of Health and Medical Sciences The State University of Zanzibar Zanzibar Tanzania Department of Natural Sciences The State University of Zanzibar Zanzibar Tanzania Department of Pathology and Biochemistry School of Health and Medical Sciences The State University of Zanzibar Zanzibar Tanzania

In obstetrics, the maternal immune system plays a critical role in the establishment and maintenance of a healthy pregnancy. The immune response of the placenta plays important role in determining a maternal vulnerability toward infectious diseases. The various adverse outcome, ranging from preterm birth, injury to the fetal brain cortex and fetal death are all documented in infected neonates. In obstetrics, viral infections can be either transmitted through the in-utero, intrapartum, and postpartum periods. Nevertheless, with the recent pandemic of coronavirus and some documented cases of a positively infected neonate, it is becoming more apparent that the mode of transmission of coronavirus during pregnancy needs to be better understood. This review focuses on revealing the possible modes of transmission of the coronavirus in obstetrics.

关键词： Coronavirus Obstetrics In-Utero Intrapartum Postpartum

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Intraligamentary Pregnancy with Recurrent Urine Retention: Case Report

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Open Journal of Obstetrics and Gynecology 2021年第5期11卷 516-522页

作者： Salma Abdi Mahmoud Adam Munkaila ali M. ussi Chukwuma J. Okafor Gumanga Solomon Mumuni Kareem ali Said Yussuf Osman Saia Department of Obstetrics and Gynaecology School of Health and Medical Sciences The State University of Zanzibar Zanzibar Tanzania Department of Obstetrics and Gynaecology University for Development Study Tamale Teaching Hospital Tamale Ghana Department of Natural Sciences The State University of Zanzibar Zanzibar Tanzania Department of Pathology and Biochemistry School of Health and Medical Sciences The State University of Zanzibar Zanzibar Tanzania Department of Anaesthesia Tamale Teaching Hospital Tamale Ghana

An intraligamentary pregnancy is an extremely rare form of ectopic pregnancy, with only a few cases reported. We report a 20-year-old woman who had an ongoing pregnancy at about 22 weeks gestation, consulted for recurrent urinary retention and severe lower abdominal pain of two days duration. Pelvic ultrasonography revealed an extrauterine gestation of 19 weeks and four days on the left adnexal region. Exploratory laparotomy was performed that found left intraligamentary pregnancy (unruptured) measured 20 - 25 cm across, attached posteriorly to the bowel (sigmoid colon) and extended to the pouch of douglas impinging on the bladder base. Resection of ectopic pregnancy was successfully performed, urine retention resolved, and the patient was discharged with no postoperative complications. Early recognition of this rare form of ectopic gestation is of considerable importance because of the risk of a life-threatening haemorrhagic complication necessitating emergency surgical intervention.

关键词： Intraligamentary Pregnancy Urine Retention Ultrasonography

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