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( Nguyen Thi Thu Hang ),( Nguyen Thi Kim Ngan ) 부산외국어대학교 아세안연구원 2022 Suvannabhumi Vol.14 No.1
This article compares archetypal heroes in Nguyễn Huy Thiệp's “The Tiger’s Heart” and John Steinbeck's The Pearl. It aims to explore the voices of marginalized groups and ethnic minorities who suffer amidst the clash of civilizations. In exploring cultural communication between minority and mainstream communities as embodied by the archetypal heroes in the two works, this article highlights implications of resistance against values of the dominant. The method of "mythization" in modern Eastern and Western Literature, as this article argues, demonstrates the importance of minority discourses in as far as cultural conflicts in the globalizing world are concerned.
Nguyen Thu Hien,Nguyen Duc Quan,Kim Lien Nguyen Thi,Thi Thanh Ngan Nguyen,Nguyen Thi Phuong Mai,Tran Ngoc Dung,Nguyen Huy Hoang 한국유전학회 2023 Genes & Genomics Vol.45 No.4
Background Androgens and androgen receptor (AR) are critical regulators of the masculinization process in male sexual development. The absence of a functioning AR results in the development of the androgen insensitivity syndrome (AIS), a rare disorder of sexual development (DSD) characterized by the external genitalia feminization, gynecomastia, and impaired spermatogenesis. Objective To determine the AR gene mutations associated with male DSD in four unrelated Vietnamese patients. Methods To detect the disease-causing mutations, whole exome sequencing (WES) was performed on four patients diagnosed with AIS. Sanger sequencing was then used for validation of the identified mutations. Finally, 12 web-based tools, three-dimensional protein modeling software, and the guidelines issued by the American College of Medical Genetics and Genomics were used to assess the potential pathogenicity of these mutations. Results Four distinct novel mutations, namely c.1834T > A (p.Cys612Ser), c.2122 C > G (p.Leu708Val), c.2630T > G (p.Phe877Cys), and c.2641 C > A (p.Leu881Met) in the AR gene, were identified in four AIS patients using WES. The in silico analysis results revealed that the Cys612, Leu708, Phe877, and Leu881 sites are important for an appropriate response to androgens of the AR, and mutation at these sites can have adverse effects on the AR functions, androgen–AR interaction, and AR signaling pathway. Conclusions WES and in silico analyses strongly suggested that four novel AR mutations are pathogenic and have led to the development of AIS in the four Vietnamese patients under consideration.
Cuong, Nguyen Xuan,Thao, Nguyen Phuong,Luyen, Bui Thi Thuy,Ngan, Nguyen Thi Thanh,Thuy, Dinh Thi Thu,Song, Seok Bean,Nam, Nguyen Hoai,Kiem, Phan Van,Kim, Young Ho,Minh, Chau Van WILEY‐VCH Verlag 2014 Chem Inform Vol.45 No.28
<P><B>Abstract</B></P><P>isolation, structure determination and antiinflammatory effects of nine cembranoid diterpenes including four new compounds, crassumols D—G (I)—(IV), respectively</P>
Cembranoid Diterpenes from the Soft Coral Lobophytum crassum and Their Anti-inflammatory Activities
Cuong, Nguyen Xuan,Thao, Nguyen Phuong,Luyen, Bui Thi Thuy,Ngan, Nguyen Thi Thanh,Thuy, Dinh Thi Thu,Song, Seok Bean,Nam, Nguyen Hoai,Kiem, Phan Van,Kim, Young Ho,Minh, Chau Van Pharmaceutical Society of Japan 2014 Chemical & pharmaceutical bulletin Vol.62 No.2
Nguyen Phuong Thao,Bui Thi Thuy Luyen,Nguyen Thi Thanh Ngan,Le Duc Dat,Nguyen Xuan Cuong,Nguyen Hoai Nam,Phan Van Kiem,Seok Bean Song,Chau Van Minh,김영호 대한약학회 2015 Archives of Pharmacal Research Vol.38 No.5
Peroxisome proliferator-activated receptors(PPARs) are ligand-activated transcription factors thatregulate the expression of multiple genes involved inmetabolic, anti-inflammatory, and developmental processes. This study evaluated the PPARs transactivationaleffects of thirteen cembranoid diterpenoids 1–13 from thesoft coral Lobophytum crassum, using PPAR-responsiveelements–luciferase reporter and GAL4–PPAR chimeraassays. All isolated compounds activated the transcriptionof PPARs in a dose-dependent manner, with EC50 valuesranging from 2.07 ± 1.73 to 130.20 ± 1.85 lM. Moreover,compounds 6–9 affected the transactivation of allthree PPAR types, PPARa, c, b(d), in a dose-dependentmanner, with EC50 values in a ranging from 11.92 ± 1.23to 122.50 ± 2.12 lM. These results provide a scientificrationale for further studies on the soft coral L. crassum andits diterpenoid constituents to develop medicinal productsagainst inflammatory and metabolic diseases.
( Nguyen Thi Thuy Ngan ),( Seong-jun Kim ),( Jeong Yoon Lee ),( Jinjong Myoung ) 한국미생물생명공학회(구 한국산업미생물학회) 2019 Journal of microbiology and biotechnology Vol.29 No.10
Zika virus (ZIKV) is a mosquito-transmitted, emerging Flavivirus that causes Guillain-Barre syndrome and microcephaly in adults and fetuses, respectively. Since ZIKV was first isolated in 1947, severe outbreaks have occurred at various places worldwide, including Yap Island in 2007, French Polynesia in 2013, and Brazil in 2015. Although incidences of ZIKV infection and dissemination have drastically increased, the mechanisms underlying the pathogenesis of ZIKV have not been sufficiently studied. In addition, despite extensive research, the exact roles of individual ZIKV genes in the viral evasion of the host innate immune responses remain elusive. Besides, it is still possible that more than one ZIKV-encoded protein may negatively affect type I interferon (IFN) induction. Hence, in this study, we aimed to determine the modulations of the IFN promoter activity, induced by the MDA5/RIG-I signaling pathway, by over-expressing individual ZIKV genes. Our results show that two nonstructural proteins, NS2A and NS4A, significantly down-regulated the promoter activity of IFN-β by inhibiting multiple signaling molecules involved in the activation of IFN-β. Interestingly, while NS2A suppressed both full-length and constitutively active RIG-I, NS4A had inhibitory activity only on full-length RIG-I. In addition, while NS2A inhibited all forms of IRF3 (full-length, regulatory domain-deficient, and constitutively active), NS4A could not inhibit constitutively active IRF3-5D. Taken together, our results showed that NS2A and NS4A play major roles as antagonists of MDA5/RIG-I-mediated IFN-β induction and more importantly, these two viral proteins seem to inhibit induction of the type I IFN responses in differential mechanisms. We believe this study expands our understanding regarding the mechanisms via which ZIKV controls the innate immune responses in cells and may pave the way to development of ZIKV-specific therapeutics.
Nguyen Thu Uyen,Dao Van Cuong,Pham Dieu Thuy,Luu Hong Son,Nguyen Thi Ngan,Nguyen Hung Quang,Nguyen Duc Tuan,In-ho Hwang 한국축산식품학회 2023 한국축산식품학회지 Vol.43 No.4
Myogenesis and adipogenesis are the important processes determining the muscle growth and fat accumulation livestock, which ultimately affecting their meat quality. Hanwoo is a popular breed and its meat has been exported to other countries. The objective of this study was to compare the myogenesis and adipogenesis properties in satellite cells, and meat quality between Hanwoo and Vietnamese yellow cattle (VYC). Same 28-months old Hanwoo (body weight: 728±45 kg) and VYC (body weight: 285±36 kg) steers (n=10 per breed) were used. Immediately after slaughter, tissue samples were collected from longissimus lumborum (LL) muscles for satellite cells isolation and assays. After 24 h post-mortem, LL muscles from left carcass sides were collected for meat quality analysis. Under the same in vitro culture condition, the proliferation rate was higher in Hanwoo compared to VYC (p<0.05). Fusion index was almost 3 times greater in Hanwoo (42.17%), compared with VYC (14.93%; p<0.05). The expressions of myogenesis (myogenic factor 5, myogenic differentiation 1, myogenin, and myogenic factor 6)- and adipogenesis (peroxisome proliferator-activated receptor gamma)-regulating genes, and triglyceride content were higher in Hanwoo, compared with VYC (p<0.05). Hanwoo beef had a higher intramuscular fat and total monounsaturated fatty acids contents than VYC beef (p<0.05). Whilst, VYC meat had a higher CIE a* and total polyunsaturated fatty acids content (p<0.05). Overall, there was a significant difference in the in vitro culture characteristics and genes expression of satellite cells, and meat quality between the Hanwoo and VYC.
Nguyen Thi Thanh Ngan,TRANHONG QUANG,김관우,김혜진,손재학,강대길,이호섭,김윤철,오현철 대한약학회 2017 Archives of Pharmacal Research Vol.40 No.3
After the chemical investigation of the ethylacetate extract of the marine-derived fungal strain Penicilliumsp. SF-5629, the isolation and structural elucidationof eight secondary metabolites, including (3R,4S)-6,8-dihydroxy-3,4,7-trimethylisocoumarin (1), (3S,4S)-sclerotininA (2), penicitrinone A (3), citrinin H1 (4), emodin (5),x-hydroxyemodin (6), 8-hydroxy-6-methyl-9-oxo-9Hxanthene-1-carboxylate (7), and 3,8-dihydroxy-6-methyl-9-oxo-9H-xanthene-1-carboxylate (8) were carried out. Evaluation of the anti-inflammatory activity of thesemetabolites showed that 4 inhibited nitric oxide and prostaglandinE2 production in lipopolysaccharide-stimulatedBV2 microglia, with IC50 values of 8.1 ± 1.9 and8.0 ± 2.8 lM, respectively. The inhibitory function of 4was confirmed based on decreases in inducible nitric oxidesynthesis and cyclooxygenase-2 gene expression. In addition,4 was found to suppress the phosphorylation ofinhibitor kappa B-a, interrupt the nuclear translocation ofnuclear factor kappa B, and decrease the activation of p38mitogen-activated protein kinase.