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We present a systematic approach to lung examination, simplified to encourage its adoption by obstetricians and gynecologists, together with an example of a recent pregnant woman with COVID-19 infection, in which lung ultrasound was useful in the management.Background The underlying pathomechanisms in placental related selective fetal growth restriction in monochorionic diamniotic twin pregnancy is not known. Objective To investigate any differences in placental transcriptomic profile between the selectively growth restricted twins and the normally grown co-twins in monochorionic diamniotic twin pregnancies. Study design This was a prospective study of monochorionic diamniotic twin pregnancies complicated by selective fetal growth restriction. Placental biopsies were obtained from the subjects in the delivery suite. The placental transcriptome of the selectively growth restricted twin was compared to that of the normally grown co-twin. This study was divided into two stages (1) Gene discovery phase placental tissues from five monochorionic diamniotic twin pregnancies complicated with selective fetal growth restriction plus two control twin pregnancies underwent transcriptome profiling. Transcriptome profiling was carried out by whole genome RNA sequencing; (2) Validation phase placental tissues from 13 monochorionic diamniotic twin pregnancies with selective fetal growth restriction underwent RNA and protein validation. RNA and protein expression level of candidate genes were determined by quantitative real-time PCR and immunohistochemistry staining. Results A total of 1429 transcripts were differentially expressed in placentae of selective growth restricted twin pairs, where 610 were up-regulated and 819 were down-regulated. Endoplasmic Reticulum Lectin and Mannose-6-Phosphate Receptor were consistently differentially up-regulated in all placentae of the selectively growth restricted twins. Quantitative real-time PCR and immunohistochemistry staining validated the results (p less then 0.05). Conclusion The expression of Endoplasmic Reticulum Lectin and Mannose-6-Phosphate Receptor, which are important for angiogenesis and fetal growth, are significantly increased in the placentae of the selectively growth restricted twin of a monochorionic twin pair.Background On January 20, 2020, a new coronavirus epidemic with "human-to-human" transmission was officially announced by the Chinese government, which caused significant public panic in China. https://www.selleckchem.com/products/Beta-Sitosterol.html Pregnant women may be particularly vulnerable and in special need for preventative mental health strategies. Thus far, no reports exist to investigate the mental health response of pregnant women to the COVID-19 outbreak. Objective The aim of the present study is to examine the impact of COVID-19 outbreak on the prevalence of depressive and anxiety symptoms and the corresponding risk factors among pregnant women across China. Study design A multi-center cross-sectional study was initiated in early December 2019 to identify mental health concerns in pregnancy using the Edinburgh Postnatal Depression Scale (EPDS). This study provided a unique opportunity to compare the mental status of pregnant women before and after the announcement of the COVID-19 epidemic. A total of 4124 pregnant women during their third trimester frloyed full-time, middle income, and had appropriate living space were at increased risk to develop depressive and anxiety symptoms during the outbreak. Conclusion Major life-threatening public health events such as the COVID-19 outbreak may increase the risk for mental illness among pregnant women including thoughts of self-harm. Strategies targeting maternal stress and isolation such as effective risk communication and the provision of psychological first aid may be particularly useful to prevent negative outcomes for women and their fetuses.Background Addition of trastuzumab to first-line chemotherapy improves overall survival in patients with HER2-positive metastatic gastric cancer. We assessed the safety and activity of pembrolizumab in combination with trastuzumab and chemotherapy in first-line HER2-positive metastatic oesophagogastric (gastric, oesophageal, or gastroesophageal junction) cancer. Methods This study was an investigator-initiated, open-label, non-randomised, single-arm, single centre, phase 2 trial in patients aged 18 years or older with HER2-positive metastatic oesophagogastric cancer. Eligible patients had measurable or evaluable non-measurable disease, Eastern Cooperative Oncology Group performance status of 0, 1, or 2, and left ventricular ejection fraction of at least 53%. Patients were eligible to receive an initial induction cycle of 200 mg flat dose of intravenous pembrolizumab and 8 mg/kg loading dose of intravenous trastuzumab. For subsequent cycles, patients received 130 mg/m2 of intravenous oxaliplatin or 80 mg/m2 ofee at 6 months. The most common treatment-related adverse event of any grade was neuropathy, which was reported in 36 (97%) of 37 patients. The most common grade 3 or 4 adverse events were lymphocytopenia (seven [19%] patients with grade 3 and two [5%] with grade 4), grade 3 decreased electrolytes (six [16%] patients), and grade 3 anaemia (four [11%] patients). Serious adverse events occurred in two patients patients (both grade 3 nephritis leading to treatment discontinuation). Four patients discontinued pembrolizumab because of immune-related adverse events. There were no treatment-related deaths. Interpretation Pembrolizumab can be safely combined with trastuzumab and chemotherapy and has promising activity in HER2-positive metastatic oesophagogastric cancer. A randomised phase 3 clinical trial assessing the efficacy and safety of pembrolizumab versus placebo in combination with trastuzumab and chemotherapy in first-line HER2-positive metastatic oesophagogastric cancer is underway. Funding Merck & Co.Modern humans have inhabited the Lake Baikal region since the Upper Paleolithic, though the precise history of its peoples over this long time span is still largely unknown. Here, we report genome-wide data from 19 Upper Paleolithic to Early Bronze Age individuals from this Siberian region. An Upper Paleolithic genome shows a direct link with the First Americans by sharing the admixed ancestry that gave rise to all non-Arctic Native Americans. We also demonstrate the formation of Early Neolithic and Bronze Age Baikal populations as the result of prolonged admixture throughout the eighth to sixth millennium BP. Moreover, we detect genetic interactions with western Eurasian steppe populations and reconstruct Yersinia pestis genomes from two Early Bronze Age individuals without western Eurasian ancestry. Overall, our study demonstrates the most deeply divergent connection between Upper Paleolithic Siberians and the First Americans and reveals human and pathogen mobility across Eurasia during the Bronze Age.
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