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Author Meng Bai

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Maternal pre-pregnancy body mass index, gestational weight gain trajectory, and risk of adverse perinatal outcomes.

Haibo Li, Chong Miao, Liangjie Xu, Haiyan Gao, Meng Bai, Wenjuan Liu, Wei Li, Zhengqin Wu, Yibing Zhu,

<h4>Objective</h4>To evaluate the relationships of pre-pregnancy BMI and gestational weight gain (GWG) trajectory with adverse perinatal outcomes (APOs).<h4>Methods</h4>A retrospective cohort study was conducted in China, and 12,855 women who had a singleton birth were included. The WHO classification categorized pre-pregnancy BMI, and five GWG trajectories were identified using the latent ... Read more >>

Int J Gynaecol Obstet (International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics)
[2021, :]

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Austins-Type Meroterpenoids from a Mangrove-Derived Penicillium sp.

Meng Bai, Cai-Juan Zheng, Guang-Ying Chen,

Three unusual austins-type meroterpenoids penicianstinoids C-E (<b>1</b>-<b>3</b>) were obtained from the mangrove-derived fungus <i>Penicillium</i> sp. TGM112. The structures of <b>1</b>-<b>3</b> including absolute configurations were determined by detailed NMR, MS spectroscopic data, X-ray diffraction analysis, and calculated electronic circular dichroism data. Penicianstinoid C (<b>1</b>) was the first austins-type meroterpenoid with a ... Read more >>

J Nat Prod (Journal of natural products)
[2021, 84(8):2104-2110]

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Two new benzophenones isolated from a mangrove-derived fungus Penicillium sp.

Meng Bai, Cheng-Hai Gao, Kai Liu, Long-Yan Zhao, Zhen-Zhou Tang, Yong-Hong Liu,

One new benzophenone derivative, named penibenzophenone C (1), and a new benzophenone natural product, neamed penibenzophenone D (2), together with two known compounds (3, 4) were isolated from the EtOAc extract of the endophytic fungus Penicillium sp. isolated from the mangrove Acanthus ilicifolius L. collected in the South China Sea. ... Read more >>

J Antibiot (Tokyo) (The Journal of antibiotics)
[2021, :]

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Age-specific risk factors of severe pneumonia among pediatric patients hospitalized with community-acquired pneumonia.

Lumin Chen, Chong Miao, Yanling Chen, Xian Han, Ziying Lin, Hong Ye, Chengyi Wang, Huijie Zhang, Jingjing Li, Qiuyu Tang, Yuan Dong, Meng Bai, Yibing Zhu, Guanghua Liu,

<h4>Background</h4>Risk factors that predispose the development of severe community-acquired pneumonia (CAP) among pediatric CAP patients of different age ranges are yet to be identified.<h4>Methods</h4>We retrospectively analyzed pediatric in-patients (< 6 years old) diagnosed with CAP in our hospital. We subdivided patients into four age groups (< 6 months, 6 months-1 year, 1-2 years, and 2-6 years). Their medical ... Read more >>

Ital J Pediatr (Italian journal of pediatrics)
[2021, 47(1):100]

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Phenolic glycosides from the stems of Homalium stenophyllum.

Shou-Yuan Wu, Meng Bai, Qi Zhou, Xu-Hua Nong, Guang-Ying Chen, Si-Yu Zhao, Chang-Ri Han, Xiao-Ping Song,

The phytochemical investigation of the stems of Homalium stenophyllum afforded seven new phenolic glycosides (1-5 and 8-9) and two known compounds (6 and 7). Their structures were elucidated by comprehensive analyses of NMR spectroscopic, mass spectrometric data and chemical hydrolysis. Additionally, their anti-inflammatory activities against the NO production in LPS-induced ... Read more >>

Chin J Nat Med (Chinese journal of natural medicines)
[2021, 19(3):225-230]

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Characterization of Novel Bacteriophage AhyVDH1 and Its Lytic Activity Against Aeromonas hydrophila.

Yahui Cheng, Dongye Gao, Yunsheng Xia, Ziyi Wang, Meng Bai, Kaijun Luo, Xiaolong Cui, Yongxia Wang, Shiying Zhang, Wei Xiao,

Phage therapy is an alternative approach to overcome the problem of multidrug-resistant bacteria. Here, a novel bacteriophage AhyVDH1, which infects Aeromonas hydrophila 4572, was isolated and its morphology, one-step growth curve, lytic activity, stability under various conditions, and genome were investigated. Transmission electron microscopy revealed that AhyVDH1 has an icosahedral ... Read more >>

Curr Microbiol (Current microbiology)
[2021, 78(1):329-337]

Cited: 1 time

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Identification, biogenesis and function prediction of novel circRNA during the chicken ALV-J infection.

Ting Yang, Lingling Qiu, Meng Bai, Laidi Wang, Xiaodan Hu, Lan Huang, Guohong Chen, Guobin Chang,

Circular RNA (circRNA) is a new non-coding RNA with a highly conserved and stable covalently closed loop structure, and it plays an important role in a variety of biological processes and the occurrence of diseases. Based on the sequencing results, circRNA_3079 had the most significant difference between the infected group ... Read more >>

Anim Biotechnol (Animal biotechnology)
[2020, :1-11]

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One new piperazinedione isolated from a mangrove-derived fungus Aspergillus niger JX-5.

Meng Bai, Yue Wang, Ting Liu, Yu-Xing Lian, Qi-Qi Bai, Xiao-Ping Song, Chang-Ri Han, Cai-Juan Zheng, Guang-Ying Chen,

One new piperazinedione derivative, nigerpiperazine A (<b>1</b>), along with six known compounds (<b>2-7</b>) were isolated from the fungus <i>Aspergillus niger</i> JX-5 from mangrove <i>Ceriops tagal</i>. Nigerpiperazine A (<b>1</b>) was elucidated by spectroscopic analyses and <sup>13</sup>C NMR chemical shift calculations, compounds <b>4</b> and <b>5</b> were determined by X-ray and the CD ... Read more >>

Nat Prod Res (Natural product research)
[2020, :1-7]

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Seed dormancy release of Halenia elliptica in response to stratification temperature, duration and soil moisture content.

Da Li Chen, Xin Ping Luo, Zhen Yuan, Meng Jie Bai, Xiao Wen Hu,

<h4>Background</h4>Although the effect of cold stratification on seed dormancy release has been extensively studied for many species, knowledge of the role of stratifying temperature, soil moisture content and duration of stratification on seed dormancy release at the population level is limited. Here, we aimed to determine the response of seed ... Read more >>

BMC Plant Biol (BMC plant biology)
[2020, 20(1):352]

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Gli1+ Cells Couple with Type H Vessels and Are Required for Type H Vessel Formation.

Ji Chen, Meng Li, An-Qi Liu, Chen-Xi Zheng, Li-Hui Bao, Kai Chen, Xiao-Lin Xu, Jiang-Tao Guan, Meng Bai, Tao Zhou, Bing-Dong Sui, De-Hua Li, Yan Jin, Cheng-Hu Hu,

Mesenchymal stem/stromal cells (MSCs) reside in the perivascular niche and modulate tissue/organ homeostasis; however, little is known about whether and how their localization and function are linked. Particularly, whether specific MSC subsets couple with and regulate specialized vessel subtypes is unclear. Here, we show that Gli1<sup>+</sup> cells, which are a ... Read more >>

Stem Cell Reports (Stem cell reports)
[2020, 15(1):110-124]

Cited: 3 times

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Mechanosensing by Gli1+ cells contributes to the orthodontic force-induced bone remodelling.

An-Qi Liu, Li-Shu Zhang, Ji Chen, Bing-Dong Sui, Jin Liu, Qi-Ming Zhai, Yan-Jiao Li, Meng Bai, Kai Chen, Yan Jin, Cheng-Hu Hu, Fang Jin,

OBJECTIVES:Gli1+ cells have received extensive attention in tissue homeostasis and injury mobilization. The aim of this study was to investigate whether Gli1+ cells respond to force and contribute to bone remodelling. MATERIALS AND METHODS:We established orthodontic tooth movement (OTM) model to assess the bone response for mechanical force. The transgenic ... Read more >>

Cell Prolif (Cell proliferation)
[2020, 53(5):e12810]

Cited: 6 times

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Four New Insecticidal Xanthene Derivatives from the Mangrove-Derived Fungus Penicillium sp. JY246.

Meng Bai, Cai-Juan Zheng, Xu-Hua Nong, Xue-Ming Zhou, You-Ping Luo, Guang-Ying Chen,

Four new xanthene derivatives, penicixanthenes A-D (<b>1</b>-<b>4</b>), and one known compound <b>5</b> were isolated from a marine mangrove endophytic fungus <i>Penicillium</i> sp. JY246 that was obtained from the stem of <i>Ceriops tagal</i>. Their structures were determined by detailed NMR, MS spectroscopic data, modified Mosher's method, and calculated electronic circular dichroism ... Read more >>

Mar Drugs (Marine drugs)
[2019, 17(12):]

Cited: 1 time

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Bioactive Lactones from the Mangrove-Derived Fungus Penicillium sp. TGM112.

Meng Bai, Guo-Lei Huang, Rong-Qing Mei, Bin Wang, You-Ping Luo, Xu-Hua Nong, Guang-Ying Chen, Cai-Juan Zheng,

Three new lactones penicilactones A-C (<b>1</b>-<b>3</b>) were obtained from the mangrove-derived fungus <i>Penicillium</i> sp. TGM112. Their structures and absolute configurations were determined by detailed NMR, MS spectroscopic data, Mo<sub>2</sub>(OAc)<sub>4</sub>-induced electronic circular dichroism (ECD), and circular dichroism (CD) spectroscopy. Compound <b>1</b> showed antibacterial activity against <i>Staphylococcus aureus</i> with an MIC value ... Read more >>

Mar Drugs (Marine drugs)
[2019, 17(8):]

Cited: 3 times

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Nine Novel Phages from a Plateau Lake in Southwest China: Insights into Aeromonas Phage Diversity.

Meng Bai, Ya-Hui Cheng, Xue-Qin Sun, Zi-Yi Wang, Yong-Xia Wang, Xiao-Long Cui, Wei Xiao,

<i>Aeromonas</i> species are common pathogens of fish and some of them can opportunistically cause infectious diseases in humans. The overuse of antibiotics has led to the emergence of bacterial drug-resistance. To date, only 51 complete genome sequences of <i>Aeromonas</i> phages are available in GenBank. Here, we report the isolation of ... Read more >>

Viruses (Viruses)
[2019, 11(7):]

Cited: 3 times

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Two new secondary metabolites from a mangrove-derived fungus Cladosporium sp. JS1-2.

Meng Bai, Cai-Juan Zheng, De-Qing Tang, Fan Zhang, Hai-Yang Wang, Guang-Ying Chen,

One new pentenoic acid derivative, named 1,1'-dioxine-2,2'-dipropionic acid (1) and a new natural product, named 2-methylacetate-3,5,6-trimethylpyrazine (2), along with six known compounds (3-8), were obtained from the Cladosporium sp. JS1-2, an endophytic fungus isolated from the mangrove Ceriops tagal collected in South China Sea. Their structures were elucidated by detailed ... Read more >>

J Antibiot (Tokyo) (The Journal of antibiotics)
[2019, 72(10):779-782]

Cited: 2 times

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Bioactive Meroterpenoids and Isocoumarins from the Mangrove-Derived Fungus Penicillium sp. TGM112.

Meng Bai, Cai-Juan Zheng, Guo-Lei Huang, Rong-Qing Mei, Bin Wang, You-Ping Luo, Chao Zheng, Zhi-Gang Niu, Guang-Ying Chen,

Two new meroterpenoids, penicianstinoids A and B (1 and 2), and eight new isocoumarins, peniciisocoumarins A-H (3-10), together with 10 known analogues (11-20) were obtained from the mangrove-derived fungus Penicillium sp. TGM112. The structures and absolute configurations of 1-10 were determined by interpretation of detailed NMR, MS spectroscopic data, X-ray ... Read more >>

J Nat Prod (Journal of natural products)
[2019, 82(5):1155-1164]

Cited: 9 times

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One new Lignan derivative from the fruiting bodies of Ganoderma lipsiense.

Meng Bai, Shou-Yuan Wu, Wen-Fei Zhang, Xiao-Ping Song, Chang-Ri Han, Cai-Juan Zheng, Guang-Ying Chen,

One new lignan derivative 2,3-dimethyl-4-(4'-hydroxy-3',5'-dimethoxyphenyl)-6-hydroxy-7-methoxy-naphthalene (<b>1</b>), together with four known analogues (<b>2-5</b>), were isolated from acetone extract of the fruiting bodies of <i>Ganoderma lipsiense</i> collected in the Hainan Province, China. Their structures were elucidated by the detailed analysis of comprehensive spectroscopic data. Compound <b>1</b> showed insecticidal activity against newly hatched ... Read more >>

Nat Prod Res (Natural product research)
[2019, 33(19):2784-2788]

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Asynchronous exponential growth for a two-phase size-structured population model and comparison with the corresponding one-phase model.

Meng Bai, Shihe Xu,

In this paper we study a two-phase size-structured population model with distributed delay in the birth process. This model distinguishes individuals by 'active' or 'resting' status. The individuals in the two life-stages have different growth rates. Only individuals in the 'active' stage give birth to the individuals in the 'active' ... Read more >>

J Biol Dyn (Journal of biological dynamics)
[2018, 12(1):683-699]

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Contributions of climate change and vegetation greening to evapotranspiration trend in a typical hilly-gully basin on the Loess Plateau, China.

Meng Bai, Xingguo Mo, Suxia Liu, Shi Hu,

Significant increases in vegetation cover on the Loess Plateau since the early 2000s have been well documented. However, the relevant hydrological effects are still unclear. Here, we investigated the changes in actual evapotranspiration (ETa) from 2000 to 2016 and related them to climate change and vegetation greening in Yanhe River ... Read more >>

Sci Total Environ (The Science of the total environment)
[2019, 657:325-339]

Cited: 2 times

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A new norisoprenoid from the leaves of Ficus pumila.

Meng Bai, Yue Cai, Shou-Yuan Wu, Xiao-Ping Song, Guang-Ying Chen, Cai-Juan Zheng, Chang-Ri Han,

One new norisoprenoid 3,9-dihydroxy dihydro actinidiolide (1), together with eleven known compounds (2-12), were isolated from ethanol extract of the leaves of Ficus pumila collected in Hainan Province, China. Their structures were elucidated by the detailed analysis of comprehensive spectroscopic data. Compounds 1, 2, 4, 5, 8 and 10-12 were ... Read more >>

Nat Prod Res (Natural product research)
[2019, 33(9):1292-1297]

Cited: 0 times

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Analysis of a time-delayed mathematical model for tumour growth with an almost periodic supply of external nutrients.

Shihe Xu, Meng Bai, Fangwei Zhang,

In this paper, the existence, uniqueness and exponential stability of almost periodic solutions for a mathematical model of tumour growth are studied. The establishment of the model is based on the reaction-diffusion dynamics and mass conservation law and is considered with a delay in the cell proliferation process. Using a ... Read more >>

J Biol Dyn (Journal of biological dynamics)
[2017, 11(1):504-520]

Cited: 0 times

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Penicilindoles A-C, Cytotoxic Indole Diterpenes from the Mangrove-Derived Fungus Eupenicillium sp. HJ002.

Cai-Juan Zheng, Meng Bai, Xue-Ming Zhou, Guo-Lei Huang, Tai-Ming Shao, You-Ping Luo, Zhi-Gang Niu, Yan-Yan Niu, Guang-Ying Chen, Chang-Ri Han,

Three new indole diterpenes, penicilindoles A-C (1-3), were isolated from the mangrove-derived fungus Eupenicillium sp. HJ002. Their planar structures and absolute configurations were determined by interpretation of NMR spectroscopic data, HR-ESIMS, and X-ray diffraction analysis using Cu Kα radiation. The cytotoxic and antibacterial activities were evaluated in vitro; penicilindole A ... Read more >>

J Nat Prod (Journal of natural products)
[2018, 81(4):1045-1049]

Cited: 6 times

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Bioactive Phenolic and Isocoumarin Glycosides from the Stems of Homalium paniculiflorum.

Shou-Yuan Wu, Yan-Hui Fu, Qi Zhou, Meng Bai, Guang-Ying Chen, Si-Yu Zhao, Chang-Ri Han, Xiao-Ping Song,

Two new phenolic glycosides (<b>1</b> and <b>2</b>) and two new isocoumarin glycosides (<b>3</b> and <b>4</b>), along with 14 known compounds (<b>5</b>-<b>18</b>), were isolated from the stems of <i>Homalium paniculiflorum</i>. Their structures were established on the basis of extensive spectroscopic analyses and chemical methods. All new compounds were evaluated for their ... Read more >>

Molecules (Molecules (Basel, Switzerland))
[2018, 23(2):]

Cited: 2 times

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Biologically active oligostilbenes from the stems of Vatica mangachapoi and chemotaxonomic significance.

Shou-Yuan Wu, Yan-Hui Fu, Qi Zhou, Meng Bai, Guang-Ying Chen, Chang-Ri Han, Xiao-Ping Song,

Phytochemical investigation of the stems of Vatica mangachapoi (Dipterocarpaceae) led to the isolation and structural elucidation of twenty-seven oligostilbenes (1-27), including a new natural compound 1. The structure of 1 was elucidated on the basis of spectroscopic analyses including NMR, MS and ECD data, and the known compounds were identified ... Read more >>

Nat Prod Res (Natural product research)
[2019, 33(16):2300-2307]

Cited: 1 time

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A new dihydrochalcone glycoside from the stems of Homalium stenophyllum.

Shou-Yuan Wu, Yan-Hui Fu, Qi Zhou, Meng Bai, Guang-Ying Chen, Chang-Ri Han, Xiao-Ping Song,

A new dihydrochalcone glycoside, phloretin-4-O-β-D-glucopyranoside (1), together with seven known flavonoids (2-8), were isolated from the stems of Homalium stenophyllum. The structure of 1 was elucidated by extensive spectroscopic methods and the known compounds were identified by comparisons with data reported in the literature. The known compounds (2-8) were isolated ... Read more >>

Nat Prod Res (Natural product research)
[2018, 32(8):953-958]

Cited: 1 time

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