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Article ; Online: Resolving the Equal Number Density Puzzle: Molecular Picture from Simulations of LiCl(aq) and NaCl(aq).

Nguyen, Man Thi Hong / Tichacek, Ondrej / Martinez-Seara, Hector / Mason, Philip E / Jungwirth, Pavel

The journal of physical chemistry. B

2021 Volume 125, Issue 12, Page(s) 3153–3162

Abstract: The change in number densities of aqueous solutions of alkali chlorides should be qualitatively predictable. Typically, as cations get larger, the number density of the solution decreases. However, aqueous solutions of lithium and sodium chloride exhibit ...

Abstract	The change in number densities of aqueous solutions of alkali chlorides should be qualitatively predictable. Typically, as cations get larger, the number density of the solution decreases. However, aqueous solutions of lithium and sodium chloride exhibit at ambient conditions practically identical number densities at equal molalities despite different ionic sizes. Here, we provide an atomistic interpretation of this experimentally observed anomalous behavior using molecular dynamics simulations. The obtained results show that the rigidity of the Li
Language	English
Publishing date	2021-02-03
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ISSN	1520-5207
ISSN (online)	1520-5207
DOI	10.1021/acs.jpcb.0c10599
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Article: Ionic Strength and Solution Composition Dictate the Adsorption of Cell-Penetrating Peptides onto Phosphatidylcholine Membranes

Nguyen, Man Thi Hong / Biriukov, Denys / Tempra, Carmelo / Baxova, Katarina / Martinez-Seara, Hector / Evci, Hüseyin / Singh, Vandana / Šachl, Radek / Hof, Martin / Jungwirth, Pavel / Javanainen, Matti / Vazdar, Mario

Langmuir. 2022 Sept. 09, v. 38, no. 37

2022

Abstract: Adsorption of arginine-rich positively charged peptides onto neutral zwitterionic phosphocholine (PC) bilayers is a key step in the translocation of those potent cell-penetrating peptides into the cell interior. In the past, we have shown both ... ...

Abstract	Adsorption of arginine-rich positively charged peptides onto neutral zwitterionic phosphocholine (PC) bilayers is a key step in the translocation of those potent cell-penetrating peptides into the cell interior. In the past, we have shown both theoretically and experimentally that polyarginines adsorb to the neutral PC-supported lipid bilayers in contrast to polylysines. However, comparing our results with previous studies showed that the results often do not match even at the qualitative level. The adsorption of arginine-rich peptides onto 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine (POPC) may qualitatively depend on the actual experimental conditions where binding experiments have been performed. In this work, we systematically studied the adsorption of R₉ and K₉ peptides onto the POPC bilayer, aided by molecular dynamics (MD) simulations and fluorescence cross-correlation spectroscopy (FCCS) experiments. Using MD simulations, we tested a series of increasing peptide concentrations, in parallel with increasing Na⁺ and Ca²⁺ salt concentrations, showing that the apparent strength of adsorption of R₉ decreases upon the increase of peptide or salt concentration in the system. The key result from the simulations is that the salt concentrations used experimentally can alter the picture of peptide adsorption qualitatively. Using FCCS experiments with fluorescently labeled R₉ and K₉, we first demonstrated that the binding of R₉ to POPC is tighter by almost 2 orders of magnitude compared to that of K₉. Finally, upon the addition of an excess of either Na⁺ or Ca²⁺ ions with R₉, the total fluorescence correlation signal is lost, which implies the unbinding of R₉ from the PC bilayer, in agreement with our predictions from MD simulations.
Keywords	adsorption ; arginine ; calcium ; fluorescence ; ionic strength ; lipid bilayers ; molecular dynamics ; peptides ; phosphatidylcholines ; phosphorylcholine ; salt concentration ; spectroscopy ; zwitterions
Language	English
Dates of publication	2022-0909
Size	p. 11284-11295.
Publishing place	American Chemical Society
Document type	Article
ZDB-ID	2005937-1
ISSN	1520-5827 ; 0743-7463
ISSN (online)	1520-5827
ISSN	0743-7463
DOI	10.1021/acs.langmuir.2c01435
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Article ; Online: Ionic Strength and Solution Composition Dictate the Adsorption of Cell-Penetrating Peptides onto Phosphatidylcholine Membranes.

Langmuir : the ACS journal of surfaces and colloids

2022 Volume 38, Issue 37, Page(s) 11284–11295

Abstract	Adsorption of arginine-rich positively charged peptides onto neutral zwitterionic phosphocholine (PC) bilayers is a key step in the translocation of those potent cell-penetrating peptides into the cell interior. In the past, we have shown both theoretically and experimentally that polyarginines adsorb to the neutral PC-supported lipid bilayers in contrast to polylysines. However, comparing our results with previous studies showed that the results often do not match even at the qualitative level. The adsorption of arginine-rich peptides onto 1-palmitoyl-2-oleoyl-
MeSH term(s)	Adsorption ; Arginine ; Cell-Penetrating Peptides/chemistry ; Lecithins ; Lipid Bilayers/chemistry ; Osmolar Concentration ; Phosphatidylcholines/chemistry ; Phosphorylcholine
Chemical Substances	Cell-Penetrating Peptides ; Lecithins ; Lipid Bilayers ; Phosphatidylcholines ; Phosphorylcholine (107-73-3) ; Arginine (94ZLA3W45F)
Language	English
Publishing date	2022-09-09
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2005937-1
ISSN	1520-5827 ; 0743-7463
ISSN (online)	1520-5827
ISSN	0743-7463
DOI	10.1021/acs.langmuir.2c01435
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Article ; Online: A systematic review on the global occurrence of Taenia hydatigena in pigs and cattle.

Nguyen, Man Thi Thuy / Gabriël, Sarah / Abatih, Emmanuel Nji / Dorny, Pierre

Veterinary parasitology

2016 Volume 226, Page(s) 97–103

Abstract: Taenia hydatigena, a non-zoonotic tapeworm species shares the same intermediate hosts with other Taenia zoonotic species, such as Taenia solium in pigs and Taenia saginata in cattle. The occurrence of T. hydatigena in pigs and cattle may cause cross- ... ...

Abstract	Taenia hydatigena, a non-zoonotic tapeworm species shares the same intermediate hosts with other Taenia zoonotic species, such as Taenia solium in pigs and Taenia saginata in cattle. The occurrence of T. hydatigena in pigs and cattle may cause cross-reactions in immunodiagnostic tests and therefore, complicate the diagnosis of the zoonotic species. This study was conducted to systematically review the data on the prevalence of T. hydatigena in pigs and cattle, with the aim to assess the potential interference in serological diagnosis of zoonotic Taenia spp. due to T. hydatigena infection. We searched PubMed, Web of Science, Africa Journal Online, website http://www.google.com and article reference lists in English, French and Vietnamese with no restriction on research time and publication status. Eligible studies included observational studies that showed the occurrence of T. hydatigena. Twenty-six studies, divided into two animal groups, i.e. pigs and cattle, met the eligibility criteria for qualitative synthesis and 17 studies were included for the meta-analysis in three continents. T. hydatigena was found by necropsy in all included studies, which mostly were abattoir surveys. Overall, results showed the worldwide occurrence of T. hydatigena cysticercosis in pigs and cattle. In pigs, there was a marked higher prevalence in Asia and South America that was 17.2% (95% CI: 10.6-26.8%) and 27.5% (CI: 20.8-35.3%), respectively, compared to a low prevalence of 3.9% (95% CI: 1.9-7.9%) in Africa. Overall, the prevalence of T. hydatigena in cattle was low with a mean of 1.1% (95% CI: 0.2-5.2%). These results show that interpretation of results of sero-diagnostic tests for zoonotic Taenia species in pigs and cattle has to take into account the prevalence of T. hydatigena infections in different settings.
MeSH term(s)	Animals ; Cattle ; Cattle Diseases/epidemiology ; Cattle Diseases/parasitology ; Cross Reactions ; Global Health ; Prevalence ; Swine ; Swine Diseases/epidemiology ; Swine Diseases/parasitology ; Taenia/classification ; Taenia/immunology ; Taeniasis/epidemiology ; Taeniasis/parasitology ; Taeniasis/veterinary
Language	English
Publishing date	2016-08-15
Publishing country	Netherlands
Document type	Journal Article ; Review
ZDB-ID	196831-2
ISSN	1873-2550 ; 0304-4017
ISSN (online)	1873-2550
ISSN	0304-4017
DOI	10.1016/j.vetpar.2016.06.034
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Article: A systematic review on the global occurrence of Taenia hydatigena in pigs and cattle

Nguyen, Man Thi Thuy / Emmanuel Nji Abatih / Pierre Dorny / Sarah Gabriël

Veterinary parasitology. 2016 Aug. 15, v. 226

2016

Abstract	Taenia hydatigena, a non-zoonotic tapeworm species shares the same intermediate hosts with other Taenia zoonotic species, such as Taenia solium in pigs and Taenia saginata in cattle. The occurrence of T. hydatigena in pigs and cattle may cause cross-reactions in immunodiagnostic tests and therefore, complicate the diagnosis of the zoonotic species. This study was conducted to systematically review the data on the prevalence of T. hydatigena in pigs and cattle, with the aim to assess the potential interference in serological diagnosis of zoonotic Taenia spp. due to T. hydatigena infection. We searched PubMed, Web of Science, Africa Journal Online, website http://www.google.com and article reference lists in English, French and Vietnamese with no restriction on research time and publication status. Eligible studies included observational studies that showed the occurrence of T. hydatigena. Twenty-six studies, divided into two animal groups, i.e. pigs and cattle, met the eligibility criteria for qualitative synthesis and 17 studies were included for the meta-analysis in three continents. T. hydatigena was found by necropsy in all included studies, which mostly were abattoir surveys. Overall, results showed the worldwide occurrence of T. hydatigena cysticercosis in pigs and cattle. In pigs, there was a marked higher prevalence in Asia and South America that was 17.2% (95% CI: 10.6–26.8%) and 27.5% (CI: 20.8–35.3%), respectively, compared to a low prevalence of 3.9% (95% CI: 1.9–7.9%) in Africa. Overall, the prevalence of T. hydatigena in cattle was low with a mean of 1.1% (95% CI: 0.2–5.2%). These results show that interpretation of results of sero-diagnostic tests for zoonotic Taenia species in pigs and cattle has to take into account the prevalence of T. hydatigena infections in different settings.
Keywords	cattle ; cysticercosis ; intermediate hosts ; Internet ; meta-analysis ; necropsy ; observational studies ; serodiagnosis ; slaughterhouses ; surveys ; swine ; systematic review ; Taenia hydatigena ; Taenia saginata ; Taenia solium ; tapeworms ; Africa ; South America
Language	English
Dates of publication	2016-0815
Size	p. 97-103.
Publishing place	Elsevier B.V.
Document type	Article
ZDB-ID	196831-2
ISSN	1873-2550 ; 0304-4017
ISSN (online)	1873-2550
ISSN	0304-4017
DOI	10.1016/j.vetpar.2016.06.034
Database	NAL-Catalogue (AGRICOLA)

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Article: Contributions to the biodiversity of Vietnam – Results of VIETBIO inventory work and field training in Cuc Phuong National Park

Duwe, Virginia K. / Vu, Lien Van / von Rintelen, Thomas / von Raab-Straube, Eckhard / Schmidt, Stefan / Nguyen, Sinh Van / Vu, Thong Dinh / Do, Tu Van / Luu, Truong Hong / Truong, Vuong Ba / Di Vincenzo, Vanessa / Schmidt, Olga / Glöckler, Falko / Jahn, Regine / Lücking, Robert / von Oheimb, Katharina C. M. / von Oheimb, Parm Viktor / Heinze, Sandra / Abarca, Nelida /

Bollendorff, Sarah / Borsch, Thomas / Buenaventura, Eliana / Dang, Huong Thi Thu / Dinh, Thuy Dieu / Do, Hai Thi / Ehlers, Sarah / Freyhof, Jörg / Hayden, Sofía / Hein, Peter / Hoang, Tuan Anh / Hoang, Duc Minh / Hoang, Son Nghia / Kürschner, Harald / Kusber, Wolf-Henning / Le, Han Ngoc / Le, Trang Quynh / Linde, Mattes / Mey, Wolfram / Nguyen, Hiep Duc / Nguyen, Man Thi / Nguyen, Minh Trung / Nguyen, Dat Van / Nguyen, Tu Van / Nguyen, Vu Dang Hoang / Nguyen, Dat Quoc / Ohl, Michael / Parolly, Gerald / Pham, Tan Nhat / Pham, Phu Van / Rabe, Katharina / Schurian, Bernhard / Skibbe, Oliver / Sulikowska-Drozd, Anna / To, Quang Van / Truong, Tam Quang / Zimmermann, Jonas / Häuser, Christoph L.

Biodiversity data journal. 2022 Jan. 04, v. 10

2022

Abstract: VIETBIO [Innovative approaches to biodiversity discovery and characterisation in Vietnam] is a bilateral German-Vietnamese research and capacity building project focusing on the development and transfer of new methods and technology towards an integrated ...

Abstract	VIETBIO [Innovative approaches to biodiversity discovery and characterisation in Vietnam] is a bilateral German-Vietnamese research and capacity building project focusing on the development and transfer of new methods and technology towards an integrated biodiversity discovery and monitoring system for Vietnam. Dedicated field training and testing of innovative methodologies were undertaken in Cuc Phuong National Park as part and with support of the project, which led to the new biodiversity data and records made available in this article collection. VIETBIO is a collaboration between the Museum für Naturkunde Berlin – Leibniz Institute for Evolution and Biodiversity Science (MfN), the Botanic Garden and Botanical Museum, Freie Universität Berlin (BGBM) and the Vietnam National Museum of Nature (VNMN), the Institute of Ecology and Biological Resources (IEBR), the Southern Institute of Ecology (SIE), as well as the Institute of Tropical Biology (ITB); all Vietnamese institutions belong to the Vietnam Academy of Science and Technology (VAST). The article collection "VIETBIO" (https://doi.org/10.3897/bdj.coll.63) reports original results of recent biodiversity recording and survey work undertaken in Cuc Phuong National Park, northern Vietnam, under the framework of the VIETBIO project. The collection consist of this “main” cover paper – characterising the study area, the general project approaches and activities, while also giving an extensive overview on previous studies from this area – followed by individual papers for higher taxa as studied during the project. The main purpose is to make primary biodiversity records openly available, including several new and interesting findings for this biodiversity-rich conservation area. All individual data papers with their respective primary records are expected to provide useful baselines for further taxonomic, phylogenetic, ecological and conservation-related studies on the respective taxa and, thus, will be maintained as separate datasets, including separate GUIDs also for further updating.
Keywords	biodiversity ; botanical gardens ; conservation areas ; data collection ; inventories ; museums ; national parks ; paper ; phylogeny ; surveys ; Vietnam
Language	English
Dates of publication	2022-0104
Publishing place	Pensoft Publishers
Document type	Article
ZDB-ID	2736709-5
ISSN	1314-2828
ISSN	1314-2828
DOI	10.3897/BDJ.10.e77025
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Article: Contributions to the biodiversity of Vietnam - Results of VIETBIO inventory work and field training in Cuc Phuong National Park.

Duwe, Virginia K / Vu, Lien Van / von Rintelen, Thomas / von Raab-Straube, Eckhard / Schmidt, Stefan / Nguyen, Sinh Van / Vu, Thong Dinh / Do, Tu Van / Luu, Truong Hong / Truong, Vuong Ba / Di Vincenzo, Vanessa / Schmidt, Olga / Glöckler, Falko / Jahn, Regine / Lücking, Robert / von Oheimb, Katharina C M / von Oheimb, Parm Viktor / Heinze, Sandra / Abarca, Nelida /

Biodiversity data journal

2022 Volume 10, Page(s) e77025

Abstract	VIETBIO [Innovative approaches to biodiversity discovery and characterisation in Vietnam] is a bilateral German-Vietnamese research and capacity building project focusing on the development and transfer of new methods and technology towards an integrated biodiversity discovery and monitoring system for Vietnam. Dedicated field training and testing of innovative methodologies were undertaken in Cuc Phuong National Park as part and with support of the project, which led to the new biodiversity data and records made available in this article collection. VIETBIO is a collaboration between the Museum für Naturkunde Berlin - Leibniz Institute for Evolution and Biodiversity Science (MfN), the Botanic Garden and Botanical Museum, Freie Universität Berlin (BGBM) and the Vietnam National Museum of Nature (VNMN), the Institute of Ecology and Biological Resources (IEBR), the Southern Institute of Ecology (SIE), as well as the Institute of Tropical Biology (ITB); all Vietnamese institutions belong to the Vietnam Academy of Science and Technology (VAST). The article collection "VIETBIO" (https://doi.org/10.3897/bdj.coll.63) reports original results of recent biodiversity recording and survey work undertaken in Cuc Phuong National Park, northern Vietnam, under the framework of the VIETBIO project. The collection consist of this "main" cover paper - characterising the study area, the general project approaches and activities, while also giving an extensive overview on previous studies from this area - followed by individual papers for higher taxa as studied during the project. The main purpose is to make primary biodiversity records openly available, including several new and interesting findings for this biodiversity-rich conservation area. All individual data papers with their respective primary records are expected to provide useful baselines for further taxonomic, phylogenetic, ecological and conservation-related studies on the respective taxa and, thus, will be maintained as separate datasets, including separate GUIDs also for further updating.
Language	English
Publishing date	2022-01-04
Publishing country	Bulgaria
Document type	Journal Article
ZDB-ID	2736709-5
ISSN	1314-2828
ISSN	1314-2828
DOI	10.3897/BDJ.10.e77025
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Article: A lamin A/C beta-strand containing the site of lipodystrophy mutations is a major surface epitope for a new panel of monoclonal antibodies.

Manilal, Sushila / Randles, K Natalie / Aunac, Christelle / Nguyen, Man thi / Morris, Glenn E

Biochimica et biophysica acta

2004 Volume 1671, Issue 1-3, Page(s) 87–92

Abstract: Using a phage-displayed peptide library, we have identified the epitope recognized by a new panel of five monoclonal antibodies (mAbs) raised against full-length recombinant human lamin A. The mAbs were found to recognize both lamin A and C by Western ... ...

Abstract	Using a phage-displayed peptide library, we have identified the epitope recognized by a new panel of five monoclonal antibodies (mAbs) raised against full-length recombinant human lamin A. The mAbs were found to recognize both lamin A and C by Western blotting and immunolocalization at the nuclear rim. A nine-amino acid consensus sequence PLLTYRFPP in the common immunoglobulin-like (Ig-like) domain of lamin A/C contains the binding site for all five mAbs. Three-dimensional structure of the Ig-like domain of lamin A/C shows this sequence is a complete beta-strand. This sequence includes arginine-482 (R482) which is mutated in most cases of Dunnigan-type familial partial lipodystrophy (FPLD). R482 may be part of an interaction site on the surface of lamin A/C for lamin-binding proteins associated with lipodystrophy.
MeSH term(s)	Amino Acid Sequence ; Animals ; Antibodies, Monoclonal/immunology ; Antibodies, Monoclonal/metabolism ; Cells, Cultured ; Epitope Mapping ; Epitopes ; Fibroblasts/cytology ; Fibroblasts/metabolism ; Humans ; Lamin Type A/genetics ; Lamin Type A/immunology ; Lamin Type A/metabolism ; Lipodystrophy/genetics ; Lipodystrophy/immunology ; Models, Molecular ; Molecular Sequence Data ; Muscle, Skeletal/metabolism ; Peptide Library ; Protein Structure, Secondary ; Recombinant Proteins/genetics ; Recombinant Proteins/immunology ; Recombinant Proteins/metabolism ; Sequence Alignment
Chemical Substances	Antibodies, Monoclonal ; Epitopes ; Lamin Type A ; Peptide Library ; Recombinant Proteins ; lamin C
Language	English
Publishing date	2004-03-17
Publishing country	Netherlands
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	60-7
ISSN	1879-2596 ; 1879-260X ; 1872-8006 ; 1879-2642 ; 1879-2618 ; 1879-2650 ; 0006-3002 ; 0005-2728 ; 0005-2736 ; 0304-4165 ; 0167-4838 ; 1388-1981 ; 0167-4889 ; 0167-4781 ; 0304-419X ; 1570-9639 ; 0925-4439 ; 1874-9399
ISSN (online)	1879-2596 ; 1879-260X ; 1872-8006 ; 1879-2642 ; 1879-2618 ; 1879-2650
ISSN	0006-3002 ; 0005-2728 ; 0005-2736 ; 0304-4165 ; 0167-4838 ; 1388-1981 ; 0167-4889 ; 0167-4781 ; 0304-419X ; 1570-9639 ; 0925-4439 ; 1874-9399
DOI	10.1016/j.bbagen.2004.01.008
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