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Meyer-Schwickerath C, Weber C, Hornuss D, Rieg S, Hitzenbichler F, Hagel S, Ankert J, Hennigs A, Glossmann J, Jung N. Complexity of patients with or without infectious disease consultation in tertiary-care hospitals in Germany. Infection 2024; 52:577-582. [PMID: 38277092 PMCID: PMC10955003 DOI: 10.1007/s15010-023-02166-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 12/21/2023] [Indexed: 01/27/2024]
Abstract
PURPOSE Patients seen by infectious disease (ID) specialists are more complex compared to patients treated by other subspecialities according to Tonelli et al. (2018). However, larger studies on the complexity of patients related to the involvement of ID consultation services are missing. METHODS Data of patients being treated in 2015 and 2019 in four different German university hospitals was retrospectively collected. Data were collected from the hospitals' software system and included whether the patients received an ID consultation as well as patient clinical complexity level (PCCL), case mix index (CMI) and length of stay (LOS) as a measurement for the patients' complexity. Furthermore, a comparison of patients with distinct infectious diseases treated with or without an ID consultation was initiated. RESULTS In total, 215.915 patients were included in the study, 3% (n = 6311) of those were seen by an ID consultant. Patients receiving ID consultations had a significantly (p < 0.05) higher PCCL (median 4 vs. 0), CMI (median 3,8 vs. 1,1) and deviation of the expected mean LOS (median 7 days vs. 0 days) than patients in the control group. No differences among hospitals or between years were observed. Comparing patients with distinct infectious diseases treated with or without an ID consultation, the differences were confirmed throughout the groups. CONCLUSION Patients receiving ID consultations are highly complex, frequently need further treatment after discharge and have a high economic impact. Thus, ID specialists should be clinically trained in a broad spectrum of diseases and treating these complex patients should be sufficiently remunerated.
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Affiliation(s)
- C Meyer-Schwickerath
- Department I of Internal Medicine, Division of Infectious Diseases, University of Cologne, Cologne, Germany
| | - C Weber
- Department of Cardiothoracic Surgery, University of Cologne, Cologne, Germany
| | - D Hornuss
- Faculty of Medicine, Department of Medicine II, Division of Infectious Diseases, Medical Center - University of Freiburg, Freiburg, Germany
| | - S Rieg
- Faculty of Medicine, Department of Medicine II, Division of Infectious Diseases, Medical Center - University of Freiburg, Freiburg, Germany
| | - F Hitzenbichler
- Department of Infection Prevention and Infectious Diseases, University Hospital of Regensburg, Regensburg, Germany
| | - S Hagel
- Institute for Infectious Diseases and Infection Control, Jena University Hospital, Friedrich Schiller University Jena, Jena, Germany
| | - J Ankert
- Institute for Infectious Diseases and Infection Control, Jena University Hospital, Friedrich Schiller University Jena, Jena, Germany
| | - A Hennigs
- I. Department of Medicine, Division of Infectious Diseases, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - J Glossmann
- Center of Integrated Oncology Aachen Bonn Cologne Düsseldorf, University of Cologne, Cologne, Germany
| | - N Jung
- Department I of Internal Medicine, Division of Infectious Diseases, University of Cologne, Cologne, Germany.
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Jung N, Schommers P, Leisse C. [Precision medicine in infectious diseases]. Inn Med (Heidelb) 2024; 65:220-227. [PMID: 38038764 DOI: 10.1007/s00108-023-01620-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 10/19/2023] [Indexed: 12/02/2023]
Abstract
Infectious medicine faces a variety of challenges, such as the increase in antibiotic resistance and the emergence and spread of infectious diseases fueled by climate change and globalization. Precision medicine can provide solutions to many of these challenges. Since an untargeted request for diagnostic tests can lead to test results without clinical relevance, which can increase the use of non-indicated antibiotics, the principle aimed at is: targeted diagnostics (the right test) and consideration of patient characteristics (the right person) to optimize management (the right action). At the same time, one must always decide whether empirical therapy must be immediately initiated, even if the results of the initiated diagnostics are not yet available. In addition, many new diagnostics as well as therapies have recently been developed for the rapid detection and more specific treatment of bacterial infections. Molecular genetic methods, which offer more rapid results than classical bacterial cultures, are gaining ground as new diagnostics. New therapeutics such as bacteriophages, antibodies or antibacterial peptides allow increasingly precise treatment of certain bacterial infections. Precision medicine will also play an increasingly important role in infectious medicine in the future.
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Affiliation(s)
- N Jung
- Universität zu Köln, Medizinische Fakultät und Uniklinik Köln, Klinik I für Innere Medizin, Infektiologie, Köln, Deutschland.
| | - P Schommers
- Universität zu Köln, Medizinische Fakultät und Uniklinik Köln, Klinik I für Innere Medizin, Infektiologie, Köln, Deutschland
| | - C Leisse
- Universität zu Köln, Medizinische Fakultät und Uniklinik Köln, Klinik I für Innere Medizin, Infektiologie, Köln, Deutschland
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Jung N, Schommers P, Leisse C. [Erratum to: Precision medicine in infectious diseases]. Inn Med (Heidelb) 2024; 65:228. [PMID: 38289492 DOI: 10.1007/s00108-023-01648-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Affiliation(s)
- N Jung
- Universität zu Köln, Medizinische Fakultät und Uniklinik Köln, Klinik I für Innere Medizin, Infektiologie, Köln, Deutschland.
| | - P Schommers
- Universität zu Köln, Medizinische Fakultät und Uniklinik Köln, Klinik I für Innere Medizin, Infektiologie, Köln, Deutschland
| | - C Leisse
- Universität zu Köln, Medizinische Fakultät und Uniklinik Köln, Klinik I für Innere Medizin, Infektiologie, Köln, Deutschland
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Huang J, Park J, Jung N, Moon HS, Zong Z, Li G, Lin S, Cho SW, Park Y. Hydrothermally treated coral scaffold promotes proliferation of mesenchymal stem cells and enhances segmental bone defect healing. Front Bioeng Biotechnol 2023; 11:1332138. [PMID: 38173870 PMCID: PMC10761418 DOI: 10.3389/fbioe.2023.1332138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 12/11/2023] [Indexed: 01/05/2024] Open
Abstract
Introduction: Synthetic hydroxyapatite (HAp) scaffolds have shown promising therapeutic outcomes in both animals and patients. In this study, we aim to evaluate the chemical and physical phenotype, biocompatibility, and bone repair effects of hydrothermally treated coral with natural coral and synthetic HAp. Methods: The phase composition, surface pattern, 3D structures, and porosity of the scaffolds were characterized, and cell viability, proliferation, and osteogenic differentiation of mesenchymal stem cells (MSCs) after seeding onto the scaffold were determined. The scaffolds were implanted into rats to assess their bone repair effects using micro-CT analysis, mechanical testing, and histological staining. Results: The results showed that the phase composition, porous structure, and porosity of hydrothermally treated coral were comparable to pure HAp scaffold. While only the natural coral happens to be dominantly calcium carbonate. Higher cell proliferation and osteogenic differentiation potential were observed in the hydrothermally treated coral scaffold compared to natural coral and pure HAp. Histological results also showed increased new bone formation in the hydrothermally treated coral group. Discussion: Overall, our study suggests that hydrothermal modification enhances the cytocompatibility and therapeutic capacity of coral without altering its physical properties, showing superior effectiveness in bone repair to synthetic HAp.
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Affiliation(s)
- Jianping Huang
- Department of Prosthodontics, College of Dentistry, Yonsei University, Seoul, Republic of Korea
| | - Jaehan Park
- Department of Prosthodontics, College of Dentistry, Yonsei University, Seoul, Republic of Korea
| | - Narae Jung
- Department of Prosthodontics, College of Dentistry, Yonsei University, Seoul, Republic of Korea
| | - Hong Seok Moon
- Department of Prosthodontics, College of Dentistry, Yonsei University, Seoul, Republic of Korea
| | - Zhixian Zong
- Musculoskeletal Research Laboratory, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, China
- Stem Cells and Regenerative Medicine Laboratory, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, China
| | - Gang Li
- Musculoskeletal Research Laboratory, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, China
- Stem Cells and Regenerative Medicine Laboratory, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, China
| | - Sien Lin
- Musculoskeletal Research Laboratory, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, China
- Stem Cells and Regenerative Medicine Laboratory, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, China
| | - Sung-Won Cho
- Division of Anatomy and Developmental Biology, Department of Oral Biology, College of Dentistry, Yonsei University, Seoul, Republic of Korea
| | - Youngbum Park
- Department of Prosthodontics, College of Dentistry, Yonsei University, Seoul, Republic of Korea
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Park J, Jung N, Lee DJ, Oh S, Kim S, Cho SW, Kim JE, Moon HS, Park YB. Enhanced Bone Formation by Rapidly Formed Bony Wall over the Bone Defect Using Dual Growth Factors. Tissue Eng Regen Med 2023; 20:767-778. [PMID: 37079199 PMCID: PMC10352230 DOI: 10.1007/s13770-023-00534-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 02/18/2023] [Accepted: 02/24/2023] [Indexed: 04/21/2023] Open
Abstract
BACKGROUND In guided bone regeneration (GBR), there are various problems that occur in the bone defect after the wound healing period. This study aimed to investigate the enhancement of the osteogenic ability of the dual scaffold complex and identify the appropriate concentration of growth factors (GF) for new bone formation based on the novel GBR concept that is applying rapid bone forming GFs to the membrane outside of the bone defect. METHODS Four bone defects with a diameter of 8 mm were formed in the calvaria of New Zealand white rabbits each to perform GBR. Collagen membrane and biphasic calcium phosphate (BCP) were applied to the bone defects with the four different concetration of BMP-2 or FGF-2. After 2, 4, and 8 weeks of healing, histological, histomorphometric, and immunohistochemical analyses were conducted. RESULTS In the histological analysis, continuous forms of new bones were observed in the upper part of bone defect in the experimental groups, whereas no continuous forms were observed in the control group. In the histomorphometry, The group to which BMP-2 0.5 mg/ml and FGF-2 1.0 mg/ml was applied showed statistically significantly higher new bone formation. Also, the new bone formation according to the healing period was statistically significantly higher at 8 weeks than at 2, 4 weeks. CONCLUSION The novel GBR method in which BMP-2, newly proposed in this study, is applied to the membrane is effective for bone regeneration. In addition, the dual scaffold complex is quantitatively and qualitatively advantageous for bone regeneration and bone maintenance over time.
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Affiliation(s)
- Jaehan Park
- Department of Prosthodontics, Yonsei University College of Dentistry, 50-1 Yonsei-Ro, Seodaemun-Gu, Dental Hospital Room 717, Seoul, 03722, Republic of Korea
| | - Narae Jung
- Department of Prosthodontics, Yonsei University College of Dentistry, 50-1 Yonsei-Ro, Seodaemun-Gu, Dental Hospital Room 717, Seoul, 03722, Republic of Korea
- Department of Clinical Dentistry, BK21 FOUR Project, Oral Science Research Center, Yonsei University College of Dentistry, 50-1 Yonsei-Ro, Seodaemun-Gu, Seoul, 03722, Republic of Korea
| | - Dong-Joon Lee
- Division in Anatomy and Developmental Biology, Department of Oral Biology, Taste Research Center, Oral Science Research Center, BK21 FOUR Project, Yonsei University College of Dentistry, 50-1 Yonsei-Ro, Seodaemun-Gu, Seoul, 03722, Republic of Korea
| | - Seunghan Oh
- Department of Dental Biomaterials and Institute of Biomaterials and Implant, College of Dentistry, Wonkwang University, Iksan, 54538, Republic of Korea
| | - Sungtae Kim
- Department of Periodontology, Dental Research Institute, Seoul National University School of Dentistry, 101 Daehak-Ro, Jongno-Gu, Seoul, 03080, Republic of Korea
| | - Sung-Won Cho
- Division of Anatomy and Developmental Biology, Department of Oral Biology, Yonsei University College of Dentistry, 50-1 Yonsei-Ro, Seodaemun-Gu, Seoul, 03722, Republic of Korea
| | - Jong-Eun Kim
- Department of Prosthodontics, Yonsei University College of Dentistry, 50-1 Yonsei-Ro, Seodaemun-Gu, Dental Hospital Room 717, Seoul, 03722, Republic of Korea
| | - Hong Seok Moon
- Department of Prosthodontics, Yonsei University College of Dentistry, 50-1 Yonsei-Ro, Seodaemun-Gu, Dental Hospital Room 717, Seoul, 03722, Republic of Korea
| | - Young-Bum Park
- Department of Prosthodontics, Yonsei University College of Dentistry, 50-1 Yonsei-Ro, Seodaemun-Gu, Dental Hospital Room 717, Seoul, 03722, Republic of Korea.
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Brich L, Schaff F, Gleich B, Gattinger N, Sautter K, Heidsieck A, Sandurkov B, Mall V, Jung N. P-132 Bidirectional changes in corticospinal excitability following quadri-pulse theta burst stimulation with individually (I-wave) adapted and fixed interstimulus intervals – Preliminary results. Clin Neurophysiol 2023. [DOI: 10.1016/j.clinph.2023.02.149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/08/2023]
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Jung N, Park J, Park SH, Oh S, Kim S, Cho SW, Kim JE, Moon HS, Park YB. Improving Bone Formation by Guided Bone Regeneration Using a Collagen Membrane with rhBMP-2: A Novel Concept. J Funct Biomater 2023; 14:jfb14030170. [PMID: 36976094 PMCID: PMC10056333 DOI: 10.3390/jfb14030170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 02/10/2023] [Accepted: 03/14/2023] [Indexed: 03/29/2023] Open
Abstract
We examined whether recombinant human bone morphogenetic protein-2 (rhBMP-2) when applied to collagen membranes, would reinforce them during guided bone regeneration. Four critical cranial bone defects were created and treated in 30 New Zealand white rabbits, including a control group, critical defect only; group 1, collagen membrane only; group 2, biphasic calcium phosphate (BCP) only; group 3, collagen membrane + BCP; group 4, collagen membrane with rhBMP-2 (1.0 mg/mL); group 5, collagen membrane with rhBMP-2 (0.5 mg/mL); group 6, collagen membrane with rhBMP-2 (1.0 mg/mL) + BCP; and group 7, collagen membrane with rhBMP-2 (0.5 mg/mL) + BCP. After a 2-, 4-, or 8-week healing period, the animals were sacrificed. The combination of collagen membranes with rhBMP-2 and BCP yielded significantly higher bone formation rates compared to the other groups (control group and groups 1-5 < groups 6 and 7; p < 0.05). A 2-week healing period yielded significantly lower bone formation than that at 4 and 8 weeks (2 < 4 = 8 weeks; p < 0.05). This study proposes a novel GBR concept in which rhBMP-2 is applied to collagen membranes outside instead of inside the grafted area, thereby inducing quantitatively and qualitatively enhanced bone regeneration in critical bone defects.
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Affiliation(s)
- Narae Jung
- Department of Clinical Dentistry, Oral Science Research Center, BK21 FOUR Project, College of Dentistry, Yonsei University, 50-1 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
- Department of Prosthodontics, College of Dentistry, Yonsei University, 50-1 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
| | - Jaehan Park
- Department of Prosthodontics, College of Dentistry, Yonsei University, 50-1 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
| | - Sang-Hyun Park
- Osong Research Institute, TaeWoong Medical Co., Ltd., 55-7 Osongsaengmyeong 2-ro, Heungdeok-gu, Cheongju 28161, Republic of Korea
| | - Seunghan Oh
- Department of Dental Biomaterials and Institute of Biomaterials & Implant, College of Dentistry, Wonkwang University, 460 Iksandae-ro, Iksan 54538, Republic of Korea
| | - Sungtae Kim
- Department of Periodontology, Dental Research Institute, School of Dentistry, Seoul National University, 101 Daehak-ro, Jongno-gu, Seoul 03080, Republic of Korea
| | - Sung-Won Cho
- Division of Anatomy and Developmental Biology, Department of Oral Biology, College of Dentistry, Yonsei University, 50-1 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
| | - Jong-Eun Kim
- Department of Prosthodontics, College of Dentistry, Yonsei University, 50-1 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
| | - Hong Seok Moon
- Department of Prosthodontics, College of Dentistry, Yonsei University, 50-1 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
| | - Young-Bum Park
- Department of Prosthodontics, College of Dentistry, Yonsei University, 50-1 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
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Brich L, Gleich B, Schaff F, Heidsieck A, Sandurkov B, Mall V, Jung N. P 86 Plasticity induction in humans by individualized quadri theta burst stimulation – preliminary results. Clin Neurophysiol 2022. [DOI: 10.1016/j.clinph.2022.01.117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Yagdiran A, Otto-Lambertz C, Sondermann B, Ernst A, Jochimsen D, Sobottke R, Siewe J, Eysel P, Jung N. Can we predict favourable quality of life after surgically treated vertebral osteomyelitis? Analysis of a prospective study. Arch Orthop Trauma Surg 2022; 143:2317-2324. [PMID: 35359162 PMCID: PMC10110645 DOI: 10.1007/s00402-022-04431-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Accepted: 03/12/2022] [Indexed: 11/02/2022]
Abstract
PURPOSE Vertebral osteomyelitis (VO) is a severe clinical entity associated with significant morbidity and mortality. Several studies have showed that successful treatment of VO patients leads to significantly improved quality of life (QoL). Nevertheless, QoL levels of these patients remained below those of the general population. There are rarely studies focusing on predicting factors for favourable QoL after surgically treated VO. The aim of this study was to identify factors influencing positively the QoL of patients undergoing surgery for VO. METHODS We conducted a prospective monocentric study including surgically treated VO patients from 2008 to 2016. Data were collected before (T0) and 1 year (T1) after surgery. Primary outcome was favourable QoL defined as back pain with disability restricting normal life activity with a cutoff value ≥ 12 on Oswestry Disability Index (ODI). ETHICS Ethical approval was given by the Faculty of Medicine at the University of Cologne (09-182). RESULTS A total of 119 patients surviving 1 year after surgically treated VO were analysed. Favourable QoL was achieved in 35/119 patients. On multivariate analysis, younger age (hazard ratio = HR: 0.95; 95% CI 0.91-0.99; p = 0.022), lower albumin (HR: 0.9; 0.83-0.98; p = 0.019) an ASA score ≤ 2 (HR:4.24; 95%CI 1.42-12.68; p = 0.010), and a lower preoperative leg pain on the VAS (HR: 0.86; 95% CI 0.76-0.97; p = 0.018) were identified as independent risk factors for favourable QoL. Interestingly, the absence of neurological deficits was not predictive for a favourable outcome by means of QoL. CONCLUSION One-third of surgically treated VO patients (29%) in our cohort achieved favourable QoL by means of ODI. Our findings can facilitate an estimation of the prognosis when informing the patient before surgery, and underscore that spine disability questionnaires, such as ODI, measuring QoL, are mandatory to evaluate comprehensively the outcome of this entity.
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Affiliation(s)
- A Yagdiran
- Department of Orthopedic and Trauma Surgery, Faculty of Medicine and University Hospital Cologne, University of Cologne, Kerpener Str. 62, 50937, Cologne, Germany.
| | - C Otto-Lambertz
- Department of Orthopedic and Trauma Surgery, Faculty of Medicine and University Hospital Cologne, University of Cologne, Kerpener Str. 62, 50937, Cologne, Germany
| | - B Sondermann
- Department of Orthopedic and Trauma Surgery, Faculty of Medicine and University Hospital Cologne, University of Cologne, Kerpener Str. 62, 50937, Cologne, Germany
| | - A Ernst
- Faculty of Medicine and University Hospital Cologne Institute of Medical Statistics and Computational Biology, University of Cologne, Cologne, Germany
| | - D Jochimsen
- Division of Infectious Diseases, Department I of Internal Medicine, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - R Sobottke
- Department for Spine Surgery, Neurosurgery and Orthopedics, Rhein-Maas Klinikum GmbH, Mauerfeldchen 25, 52146, Würselen, Germany
| | - J Siewe
- Department for Spine Surgery, Klinikum Leverkusen gGmbH, Am Gesundheitspark 11, 51375, Leverkusen, Germany
| | - P Eysel
- Department of Orthopedic and Trauma Surgery, Faculty of Medicine and University Hospital Cologne, University of Cologne, Kerpener Str. 62, 50937, Cologne, Germany
| | - N Jung
- Division of Infectious Diseases, Department I of Internal Medicine, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
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Jun JH, Oh KC, Park KH, Jung N, Li J, Moon HS. Correction: Jun et al. Improvement of Osseointegration by Ultraviolet and/or Simvastatin Treatment on Titanium Implants with or without Bone Graft Materials. Materials 2021, 14, 3707. Materials (Basel) 2022; 15:ma15041293. [PMID: 35208162 PMCID: PMC8879544 DOI: 10.3390/ma15041293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Accepted: 01/29/2022] [Indexed: 02/04/2023]
Affiliation(s)
- Ji Hoon Jun
- Department of Prosthodontics, Yonsei University College of Dentistry, Seoul 03722, Korea; (J.H.J.); (K.C.O.); (J.L.)
- Aeromedical Squadron, Republic of Korea Air Force 8th Fighter Wing, Wonju 26304, Korea
| | - Kyung Chul Oh
- Department of Prosthodontics, Yonsei University College of Dentistry, Seoul 03722, Korea; (J.H.J.); (K.C.O.); (J.L.)
| | - Kyu-Hyung Park
- Oral Science Research Center, BK21 Plus Project, Yonsei University College of Dentistry, Seoul 03722, Korea; (K.-H.P.); (N.J.)
| | - Narae Jung
- Oral Science Research Center, BK21 Plus Project, Yonsei University College of Dentistry, Seoul 03722, Korea; (K.-H.P.); (N.J.)
| | - Jiayi Li
- Department of Prosthodontics, Yonsei University College of Dentistry, Seoul 03722, Korea; (J.H.J.); (K.C.O.); (J.L.)
| | - Hong Seok Moon
- Department of Prosthodontics, Yonsei University College of Dentistry, Seoul 03722, Korea; (J.H.J.); (K.C.O.); (J.L.)
- Correspondence: ; Tel.: +82-2-2228-3155; Fax: +82-2-312-3598
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Bausewein C, Hodiamont F, Berges N, Ullrich A, Gerlach C, Oechsle K, Pauli B, Weber J, Stiel S, Schneider N, Krumm N, Rolke R, Gebel C, Jansky M, Nauck F, Wedding U, van Oorschot B, Roch C, Werner L, Fischer M, Schallenburger M, Reuters MC, Schwartz J, Neukirchen M, Gülay A, Maus K, Jaspers B, Radbruch L, Heckel M, Klinger I, Ostgathe C, Kriesen U, Junghanß C, Lehmann E, Gesell D, Gauder S, Boehlke C, Becker G, Pralong A, Strupp J, Leisse C, Schloesser K, Voltz R, Jung N, Simon ST. National strategy for palliative care of severely ill and dying people and their relatives in pandemics (PallPan) in Germany - study protocol of a mixed-methods project. BMC Palliat Care 2022; 21:10. [PMID: 35027041 PMCID: PMC8756412 DOI: 10.1186/s12904-021-00898-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 12/17/2021] [Indexed: 12/15/2022] Open
Abstract
Background In the SARS-CoV-2 pandemic, general and specialist Palliative Care (PC) plays an essential role in health care, contributing to symptom control, psycho-social support, and providing support in complex decision making. Numbers of COVID-19 related deaths have recently increased demanding more palliative care input. Also, the pandemic impacts on palliative care for non-COVID-19 patients. Strategies on the care for seriously ill and dying people in pandemic times are lacking. Therefore, the program ‘Palliative care in Pandemics’ (PallPan) aims to develop and consent a national pandemic plan for the care of seriously ill and dying adults and their informal carers in pandemics including (a) guidance for generalist and specialist palliative care of patients with and without SARS-CoV-2 infections on the micro, meso and macro level, (b) collection and development of information material for an online platform, and (c) identification of variables and research questions on palliative care in pandemics for the national pandemic cohort network (NAPKON). Methods Mixed-methods project including ten work packages conducting (online) surveys and qualitative interviews to explore and describe i) experiences and burden of patients (with/without SARS-CoV-2 infection) and their relatives, ii) experiences, challenges and potential solutions of health care professionals, stakeholders and decision makers during the SARS-CoV-2 pandemic. The work package results inform the development of a consensus-based guidance. In addition, best practice examples and relevant literature will be collected and variables for data collection identified. Discussion For a future “pandemic preparedness” national and international recommendations and concepts for the care of severely ill and dying people are necessary considering both generalist and specialist palliative care in the home care and inpatient setting. Supplementary Information The online version contains supplementary material available at 10.1186/s12904-021-00898-w.
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Kwon SY, Chun KJ, Kil HK, Jung N, Shin HA, Jang JY, Choi HG, Oh KH, Kim MS. β2-adrenergic receptor expression and the effects of norepinephrine and propranolol on various head and neck cancer subtypes. Oncol Lett 2021; 22:804. [PMID: 34630711 PMCID: PMC8477068 DOI: 10.3892/ol.2021.13065] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Accepted: 08/27/2021] [Indexed: 11/24/2022] Open
Abstract
The present study aimed to investigate expression of β2-adrenergic receptor (AR), the effect of the stress-related neurotransmitter norepinephrine (NE) on cell viability, proliferation and the therapeutic effect of propranolol, which is a typical β-blocker in various type of head and neck cancers for the first time. The β2-AR expression was investigated using immunohistochemistry and an immunoreactive scoring (IRS) system in 57 different head and neck cancer specimens, and reverse transcriptase-polymerase chain reaction and western blotting in four head and neck cancer cell lines (HNCCLs). Cell viability and proliferation assays were performed using 0, 1, 5 and 10 µM of NE and 1 µM of propranolol in four HNCCLs. The expression of β2-AR was positive in the majority of head and neck cancer tissues (55/57, 96.5%); however, it was significantly higher in oral cavity cancer than in pharyngeal cancer (median IRS: 9 vs. 3; P<0.001). All HNCCLs exhibited β2-AR expression, with a higher expression level detected in the oral cavity cancer cell line than in the others. NE stimulated viability (oral cavity, 206%; larynx, 156%; pharynx, 130%; nasal cavity, 137%; 10 µM NE) and proliferation (124, 176, 131 and 127%, respectively) in a dose-dependent manner in all HNCCLs. Conversely, propranolol attenuated such viability (55, 42, 18 and 22%, respectively) and proliferation (22, 40, 61 and 48%, respectively). In conclusion, the viability and proliferation of various head and neck cancers may be directly stimulated by stress and this may be attenuated by β-blockers.
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Affiliation(s)
- Soon Young Kwon
- Department of Otorhinolaryngology-Head and Neck Surgery, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Gyeonggi-do 15355, Republic of Korea
| | - Kyung Ju Chun
- Department of Otorhinolaryngology-Head and Neck Surgery, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam, Gyeonggi-do 13496, Republic of Korea
| | - Hong Kwon Kil
- Department of Otorhinolaryngology-Head and Neck Surgery, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam, Gyeonggi-do 13496, Republic of Korea
| | - Narae Jung
- Department of Otorhinolaryngology-Head and Neck Surgery, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam, Gyeonggi-do 13496, Republic of Korea
| | - Hyun-Ah Shin
- Department of Otorhinolaryngology-Head and Neck Surgery, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam, Gyeonggi-do 13496, Republic of Korea
| | - Jeon Yeob Jang
- Department of Otorhinolaryngology-Head and Neck Surgery, Ajou University Hospital, Ajou University College of Medicine, Suwon, Gyeonggi-do 16499, Republic of Korea
| | - Hyo Geun Choi
- Department of Otorhinolaryngology-Head and Neck Surgery, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, Anyang, Gyeonggi-do 14068, Republic of Korea
| | - Kyoung-Ho Oh
- Department of Otorhinolaryngology-Head and Neck Surgery, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Gyeonggi-do 15355, Republic of Korea
| | - Min-Su Kim
- Department of Otorhinolaryngology-Head and Neck Surgery, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam, Gyeonggi-do 13496, Republic of Korea
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Meyer-Schwickerath C, Schmidt-Hellerau K, Jung N. [32/f-Pain in the right knee : Preparation for the medical specialist examination: part 123]. Internist (Berl) 2021; 63:116-120. [PMID: 34550404 DOI: 10.1007/s00108-021-01140-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/04/2021] [Indexed: 11/25/2022]
Affiliation(s)
- C Meyer-Schwickerath
- Medizinische Fakultät, Universitätsklinik, Klinik I für Innere Medizin, Universität zu Köln, Kerpener Straße 62, 50937, Köln, Deutschland.
| | - K Schmidt-Hellerau
- Medizinische Fakultät, Universitätsklinik, Klinik I für Innere Medizin, Universität zu Köln, Kerpener Straße 62, 50937, Köln, Deutschland.
| | - N Jung
- Medizinische Fakultät, Universitätsklinik, Klinik I für Innere Medizin, Universität zu Köln, Kerpener Straße 62, 50937, Köln, Deutschland
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14
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Paul G, Meißner A, Neuneier J, Neuschmelting V, Grau S, Yagdiran A, Scheyerer MJ, Malin JJ, Suárez I, Lehmann C, Exner M, Wiesmüller GA, Higgins PG, Seifert H, Fätkenheuer G, Zweigner J, Jung N. Outbreak of Pseudomonas aeruginosa infections after CT-guided spinal injections. J Hosp Infect 2021; 116:1-9. [PMID: 34298033 DOI: 10.1016/j.jhin.2021.07.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Revised: 07/06/2021] [Accepted: 07/07/2021] [Indexed: 11/27/2022]
Abstract
BACKGROUND Meningitis and spinal infections with Gram-negative bacteria after local injections for treatment of chronic back pain are rare. This study investigated an outbreak of Pseudomonas aeruginosa infections following computed tomography (CT)-guided spinal injections (SI). METHODS A case was defined as a spinal infection or meningitis with P. aeruginosa after SI between 10th January and 1st March 2019 in the same outpatient clinic. Patients without microbiological evidence of P. aeruginosa but with a favourable response to antimicrobial therapy active against P. aeruginosa were defined as probable cases. FINDINGS Twenty-eight of 297 patients receiving CT-guided SI during the study period developed meningitis or spinal infections. Medical records were available for 19 patients. In 15 patients, there was microbiological evidence of P. aeruginosa, and four patients were defined as probable cases. Two of 19 patients developed meningitis, while the remaining 17 patients developed spinal infections. The median time from SI to hospital admission was 8 days (interquartile range 2-23 days). Patients mainly presented with back pain (N=18; 95%), and rarely developed fever (N=3; 16%). Most patients required surgery (N=16; 84%). Seven patients (37%) relapsed and one patient died. Although the source of infection was not identified microbiologically, documented failures in asepsis when performing SI probably contributed to these infections. CONCLUSIONS SI is generally considered safe, but non-adherence to asepsis can lead to deleterious effects. Spinal infections caused by P. aeruginosa are difficult to treat and have a high relapse rate.
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Affiliation(s)
- G Paul
- Department I of Internal Medicine, Division of Infectious Diseases, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany; Department of Gastroenterology, Hepatology, Pneumology and Infectious Diseases, Katharinenhospital, Klinikum Stuttgart, Stuttgart, Germany.
| | - A Meißner
- Department of Hospital Hygiene and Infection Control, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany
| | - J Neuneier
- Department of Neurology, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany
| | - V Neuschmelting
- Centre for Neurosurgery, Department of General Neurosurgery, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany
| | - S Grau
- Centre for Neurosurgery, Department of General Neurosurgery, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany
| | - A Yagdiran
- Department of Orthopaedics and Trauma Surgery, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany
| | - M J Scheyerer
- Department of Orthopaedics and Trauma Surgery, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany
| | - J J Malin
- Department I of Internal Medicine, Division of Infectious Diseases, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany; German Centre for Infection Research, Partner Site Cologne-Bonn, Cologne, Germany
| | - I Suárez
- Department I of Internal Medicine, Division of Infectious Diseases, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany; German Centre for Infection Research, Partner Site Cologne-Bonn, Cologne, Germany
| | - C Lehmann
- Department I of Internal Medicine, Division of Infectious Diseases, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany; German Centre for Infection Research, Partner Site Cologne-Bonn, Cologne, Germany
| | - M Exner
- Institute of Hygiene and Public Health, Bonn University, Bonn, Germany
| | - G A Wiesmüller
- Abteilung Infektions- and Umwelthygiene, Gesundheitsamt der Stadt Köln, Germany
| | - P G Higgins
- Institute for Medical Microbiology, Immunology and Hygiene, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany; German Centre for Infection Research, Partner Site Cologne-Bonn, Cologne, Germany
| | - H Seifert
- Institute for Medical Microbiology, Immunology and Hygiene, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany; German Centre for Infection Research, Partner Site Cologne-Bonn, Cologne, Germany
| | - G Fätkenheuer
- Department I of Internal Medicine, Division of Infectious Diseases, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany; German Centre for Infection Research, Partner Site Cologne-Bonn, Cologne, Germany
| | - J Zweigner
- Department of Hospital Hygiene and Infection Control, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany
| | - N Jung
- Department I of Internal Medicine, Division of Infectious Diseases, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany
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Jun JH, Oh KC, Park KH, Jung N, Li J, Moon HS. Improvement of Osseointegration by Ultraviolet and/or Simvastatin Treatment on Titanium Implants with or without Bone Graft Materials. Materials (Basel) 2021; 14:ma14133707. [PMID: 34279277 PMCID: PMC8269879 DOI: 10.3390/ma14133707] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 06/23/2021] [Accepted: 06/26/2021] [Indexed: 12/21/2022]
Abstract
We evaluated and compared ultraviolet (UV) treatment and simvastatin (SIM) immersion effects on the osseointegration of sandblasted, large-grit, acid-etched (SLA) titanium dental implants at two different time points in rabbit tibias, with or without xenogenic bone graft materials. The surface alteration on simvastatin treatment titanium discs was analyzed using an infrared spectrometer. Implants were categorized into four groups according to the surface treatment type. Twelve rabbits received two implants per tibia. A tibial defect model was created using a trephine bur, with implants in contact with the bone surface and bovine bone graft materials for gap filling. The rabbits were sacrificed after 2 or 4 weeks. UV treatment or SIM immersion increased the bone-to-implant contact (BIC) on nongrafted sides, and both increased the BIC and bone area (BA) on grafted sides. The application of both treatments did not result in higher BIC or BA than a single treatment. At two different time points, BIC in the nongrafted sides did not differ significantly among the UV and/or SIM treated groups, whereas BA differed significantly. UV or SIM treatment of SLA titanium implants accelerates osseointegration in tibias with or without xenogenic bone graft materials. The combination of both treatments did not show synergy.
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Affiliation(s)
- Ji Hoon Jun
- Department of Prosthodontics, Yonsei University College of Dentistry, Seoul 03722, Korea; (J.H.J.); (K.C.O.); (J.L.)
- Aeromedical Squadron, Republic of Korea Air Force 8th Fighter Wing, Wonju 26304, Korea
| | - Kyung Chul Oh
- Department of Prosthodontics, Yonsei University College of Dentistry, Seoul 03722, Korea; (J.H.J.); (K.C.O.); (J.L.)
| | - Kyu-Hyung Park
- Oral Science Research Center, BK21 Plus Project, Yonsei University College of Dentistry, Seoul 03722, Korea; (K.-H.P.); (N.J.)
| | - Narae Jung
- Oral Science Research Center, BK21 Plus Project, Yonsei University College of Dentistry, Seoul 03722, Korea; (K.-H.P.); (N.J.)
| | - Jiayi Li
- Department of Prosthodontics, Yonsei University College of Dentistry, Seoul 03722, Korea; (J.H.J.); (K.C.O.); (J.L.)
| | - Hong Seok Moon
- Department of Prosthodontics, Yonsei University College of Dentistry, Seoul 03722, Korea; (J.H.J.); (K.C.O.); (J.L.)
- Correspondence: ; Tel.: +82-2-2228-3155; Fax: +82-2-312-3598
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Choi H, Park KH, Jung N, Shim JS, Moon HS, Kim HJ, Oh SH, Kim YY, Ku SY, Park YB. In Vivo Study for Clinical Application of Dental Stem Cell Therapy Incorporated with Dental Titanium Implants. Materials (Basel) 2021; 14:ma14020381. [PMID: 33466799 PMCID: PMC7829878 DOI: 10.3390/ma14020381] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 01/06/2021] [Accepted: 01/07/2021] [Indexed: 12/31/2022]
Abstract
The aim of this study was to investigate the behavior of dental-derived human mesenchymal stem cells (d-hMSCs) in response to differently surface-treated implants and to evaluate the effect of d-hMSCs on local osteogenesis around an implant in vivo. d-hMSCs derived from alveolar bone were established and cultured on machined, sandblasted and acid-etched (SLA)-treated titanium discs with and without osteogenic induction medium. Their morphological and osteogenic potential was assessed by scanning electron microscopy (SEM) and real-time polymerase chain reaction (RT-PCR) via mixing of 5 × 106 of d-hMSCs with 1 mL of Metrigel and 20 μL of gel-cell mixture, which was dispensed into the defect followed by the placement of customized mini-implants (machined, SLA-treated implants) in New Zealand white rabbits. Following healing periods of 2 weeks and 12 weeks, the obtained samples in each group were analyzed radiographically, histomorphometrically and immunohistochemically. The quantitative change in osteogenic differentiation of d-hMSCs was identified according to the type of surface treatment. Radiographic analysis revealed that an increase in new bone formation was statistically significant in the d-hMSCs group. Histomorphometric analysis was in accordance with radiographic analysis, showing the significantly increased new bone formation in the d-hMSCs group regardless of time of sacrifice. Human nuclei A was identified near the area where d-hMSCs were implanted but the level of expression was found to be decreased as time passed. Within the limitations of the present study, in this animal model, the transplantation of d-hMSCs enhanced the new bone formation around an implant and the survival and function of the stem cells was experimentally proven up to 12 weeks post-sacrifice.
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Affiliation(s)
- Hyunmin Choi
- BK21 Plus Project, Oral Science Research Center, Department of Prosthodontics, Yonsei University College of Dentistry, Seoul 03722, Korea; (H.C.); (K.-H.P.); (N.J.); (J.-S.S.); (H.-S.M.)
| | - Kyu-Hyung Park
- BK21 Plus Project, Oral Science Research Center, Department of Prosthodontics, Yonsei University College of Dentistry, Seoul 03722, Korea; (H.C.); (K.-H.P.); (N.J.); (J.-S.S.); (H.-S.M.)
| | - Narae Jung
- BK21 Plus Project, Oral Science Research Center, Department of Prosthodontics, Yonsei University College of Dentistry, Seoul 03722, Korea; (H.C.); (K.-H.P.); (N.J.); (J.-S.S.); (H.-S.M.)
| | - June-Sung Shim
- BK21 Plus Project, Oral Science Research Center, Department of Prosthodontics, Yonsei University College of Dentistry, Seoul 03722, Korea; (H.C.); (K.-H.P.); (N.J.); (J.-S.S.); (H.-S.M.)
| | - Hong-Seok Moon
- BK21 Plus Project, Oral Science Research Center, Department of Prosthodontics, Yonsei University College of Dentistry, Seoul 03722, Korea; (H.C.); (K.-H.P.); (N.J.); (J.-S.S.); (H.-S.M.)
| | - Hyung-Jun Kim
- Department of Oral & Maxillofacial Surgery, Oral Science Research Institute, Yonsei University College of Dentistry, Seoul 03722, Korea;
| | - Seung-Han Oh
- Department of Dental Biomaterials, Institute of Biomaterials-Implant, Wonkwang University School of Dentistry, Iksan 54538, Korea;
| | - Yoon Young Kim
- Institute of Reproductive Medicine and Population, Medical Research Center, Soul National University, Seoul 03087, Korea; (Y.Y.K.); (S.-Y.K.)
| | - Seung-Yup Ku
- Institute of Reproductive Medicine and Population, Medical Research Center, Soul National University, Seoul 03087, Korea; (Y.Y.K.); (S.-Y.K.)
- Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul 03080, Korea
| | - Young-Bum Park
- BK21 Plus Project, Oral Science Research Center, Department of Prosthodontics, Yonsei University College of Dentistry, Seoul 03722, Korea; (H.C.); (K.-H.P.); (N.J.); (J.-S.S.); (H.-S.M.)
- Correspondence: ; Tel.: +82-2-2228-3164
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Kim YJ, Jung N, Kim N, Ha JC, Park JH, Han K, Chang M, Lee J, Kim CH. Effect of cysteine-free human fibroblast growth factor-5s mutant (FGF5sC93S) on hair growth. Dermatol Ther 2020; 33:e14530. [PMID: 33174271 DOI: 10.1111/dth.14530] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 11/02/2020] [Accepted: 11/04/2020] [Indexed: 11/27/2022]
Abstract
Treatment for hair loss is largely limited, and any beneficial effects are often transient. Based on the critical role of the FGF5 isoform, FGF5s, in the hair growth cycle, it may be a good therapeutic candidate for the prevention of hair loss, as well as the promotion of hair growth. To investigate its potential use for hair growth, a mutant form of the FGF5s protein (FGF5sC93S) was generated, expressed, and purified. The FGF5sC93S mutant was able to antagonize FGF5-induced mitogenic activity, which normally triggers the conversion of hair follicles from the anagen phase to the catagen phase. In addition, the FGF5sC93S mutant efficiently suppressed gene expression induced by FGF5 both human outer root sheath (hORS) and human dermal papilla (hDP) cells. Administration of FGF5sC93S proteins onto the scalps of human subjects significantly increased the total number of hairs at 24 weeks. Together, our data demonstrate that a mutant form of the FGF5s protein could be used as a potential hair promoting agent.
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Affiliation(s)
- Yu Jin Kim
- Paean Biotechnology, Inc., Daejeon, South Korea
| | - Narae Jung
- Paean Biotechnology, Inc., Daejeon, South Korea
| | - Nayoung Kim
- Paean Biotechnology, Inc., Daejeon, South Korea
| | | | | | - Kyuboem Han
- Paean Biotechnology, Inc., Daejeon, South Korea
| | - Minyoul Chang
- Skinmed Clinical Trials Center, Daejeon, South Korea
| | - Jeunghoon Lee
- Skinmed Clinical Trials Center, Daejeon, South Korea
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Jung N, Vogt T, Müller CSL. Paraneoplastische reaktiv perforierende Kollagenose nach transienter akantholytischer Dermatose Grover. Aktuelle Dermatologie 2020. [DOI: 10.1055/a-1179-2447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
ZusammenfassungWir berichten über einen 90-jährigen Patienten mit Prostata-Karzinom, bei dem initial ein Morbus Grover bestand, welcher einen Wandel der klinischen Morphe hin zu einer erworbenen reaktiv perforierenden Kollagenose im Kontext eines paraneoplastischen Geschehens zeigte. Die detaillierte Pathogenese der transienten akantholytischen Dermatose Grover sowie der reaktiv perforierenden Kollagenose ist derzeit unklar. Während die reaktiv perforierende Kollagenose sporadisch in den paraneoplastischen Kontext gerückt wird, ist der Morbus Grover bisher nicht als paraneoplastische Erscheinung eingeordnet worden. Wir diskutieren die klinischen und histologischen differenzialdiagnostischen Überlegungen und empfehlen auf Basis dieser Beobachtungen bei Auftreten eines auffälligen Morbus Grover an fakultative Paraneoplasien zu denken.
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Affiliation(s)
- N. Jung
- Klinik und Poliklinik für Dermatologie, Venerologie und Allergologie, Universitätsklinikum der Universität des Saarlandes, Campus Homburg, Homburg
| | - T. Vogt
- Klinik und Poliklinik für Dermatologie, Venerologie und Allergologie, Universitätsklinikum der Universität des Saarlandes, Campus Homburg, Homburg
| | - C. S. L. Müller
- Klinik und Poliklinik für Dermatologie, Venerologie und Allergologie, Universitätsklinikum der Universität des Saarlandes, Campus Homburg, Homburg
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Paul G, Wesselmann J, Adzic D, Malin JJ, Suarez I, Priesner V, Kümmerle T, Wyen C, Jung N, van Bremen K, Schlabe S, Wasmuth JC, Boesecke C, Fätkenheuer G, Rockstroh J, Schwarze-Zander C, Lehmann C. Predictors of serofast state after treatment for early syphilis in HIV-infected patients. HIV Med 2020; 22:165-171. [PMID: 33128333 DOI: 10.1111/hiv.12985] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 07/25/2020] [Accepted: 09/23/2020] [Indexed: 11/30/2022]
Abstract
OBJECTIVES Non-treponemal serological tests are used to monitor treatment response during syphilis infection. Syphilis- and HIV-coinfected patients may experience incomplete resolution in non-treponemal titres, which is referred to as the serofast state. The goal of this study was to evaluate risk factors for serofast state in HIV-infected patients. METHODS From November 2015 to June 2018, 1530 HIV-positive patients were tested for syphilis using a Treponema pallidum particle agglutination (TPPA) assay. Among TPPA-positive patients, medical records were reviewed for early syphilis infection. Serofast state was defined as a less than four-fold decrease in non-treponemal antibody titres during a 6-month follow-up period in the absence of symptoms of syphilis. Baseline characteristics were tested as predictive factors of serological response. RESULTS In all, 515 patients (33.7%) tested positive in TPPA assays, and in 163 patients at least one previous syphilis infection was documented. A total of 61 out of 163 patients (37.4%) were in a serofast state. A history of previous syphilis infection (61 vs. 43%; P = 0.04) was more common in serofast patients than in patients with serological cure after 6 months. Non-treponemal titres ≥ 1:32 before therapy (47 vs. 25%; P = 0.005) and adjunctive corticosteroids to prevent the Jarisch-Herxheimer reaction (35% vs 15%; P = 0.006) were associated with serological cure after 6 months, but corticosteroid therapy had no influence at 12 months. The intensity of syphilis treatment did not affect serological cure. CONCLUSION Corticosteroids for prevention of the Jarisch-Herxheimer reaction were associated with earlier serological cure. Although serological response is the accredited surrogate method to monitor syphilis treatment, the biological significance of the serofast state remains unclear.
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Affiliation(s)
- G Paul
- Division of Infectious Diseases, Department I of Internal Medicine, University of Cologne, Cologne, Germany.,Department of Gastroenterology, Hepatology, Pneumology and Infectious Diseases, Katharinenhospital, Klinikum Stuttgart, Stuttgart, Germany
| | - J Wesselmann
- Department of Medicine I, Bonn University Hospital, Bonn, Germany
| | - D Adzic
- Division of Infectious Diseases, Department I of Internal Medicine, University of Cologne, Cologne, Germany
| | - J J Malin
- Division of Infectious Diseases, Department I of Internal Medicine, University of Cologne, Cologne, Germany.,German Center for Infection Research (DZIF), Bonn-Cologne, Germany
| | - I Suarez
- Division of Infectious Diseases, Department I of Internal Medicine, University of Cologne, Cologne, Germany
| | - V Priesner
- Division of Infectious Diseases, Department I of Internal Medicine, University of Cologne, Cologne, Germany
| | - T Kümmerle
- Division of Infectious Diseases, Department I of Internal Medicine, University of Cologne, Cologne, Germany
| | - C Wyen
- Division of Infectious Diseases, Department I of Internal Medicine, University of Cologne, Cologne, Germany
| | - N Jung
- Division of Infectious Diseases, Department I of Internal Medicine, University of Cologne, Cologne, Germany
| | - K van Bremen
- Department of Medicine I, Bonn University Hospital, Bonn, Germany.,German Center for Infection Research (DZIF), Bonn-Cologne, Germany
| | - S Schlabe
- Department of Medicine I, Bonn University Hospital, Bonn, Germany.,German Center for Infection Research (DZIF), Bonn-Cologne, Germany
| | - J-C Wasmuth
- Department of Medicine I, Bonn University Hospital, Bonn, Germany.,German Center for Infection Research (DZIF), Bonn-Cologne, Germany
| | - C Boesecke
- Department of Medicine I, Bonn University Hospital, Bonn, Germany.,German Center for Infection Research (DZIF), Bonn-Cologne, Germany
| | - G Fätkenheuer
- Division of Infectious Diseases, Department I of Internal Medicine, University of Cologne, Cologne, Germany.,German Center for Infection Research (DZIF), Bonn-Cologne, Germany
| | - J Rockstroh
- Department of Medicine I, Bonn University Hospital, Bonn, Germany.,German Center for Infection Research (DZIF), Bonn-Cologne, Germany
| | - C Schwarze-Zander
- Department of Medicine I, Bonn University Hospital, Bonn, Germany.,German Center for Infection Research (DZIF), Bonn-Cologne, Germany
| | - C Lehmann
- Division of Infectious Diseases, Department I of Internal Medicine, University of Cologne, Cologne, Germany.,German Center for Infection Research (DZIF), Bonn-Cologne, Germany
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Darsandhari S, Dhakal D, Shrestha B, Lee S, Jung N, Jung HJ, Sohng JK. Biosynthesis of bioactive tamarixetin in recombinant Escherichia coli. Biotechnol Appl Biochem 2020; 68:531-537. [PMID: 32430989 DOI: 10.1002/bab.1958] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Accepted: 12/25/2018] [Indexed: 11/08/2022]
Abstract
Tamarixetin, a monomethylated derivative of quercetin, has been reported to possess many important biological activities. In the present study, a whole cell biotransformation system was used for regiospecific methylation of quercetin to produce 4'-O-methylated quercetin (tamarixetin) using methyltransferase from Streptomyces sp. KCTC 0041BP in Escherichia coli Bl21 (DE3). Its production was enhanced by adding a plasmid containing S-adenosine-l-methionine (SAM) synthase from E. coli K12 (MetK) with subsequent feeding of l-methionine and glycerol in the culture. The best condition produced ∼279 μM (88.2 mg/L) of tamarixetin. The biological activity of tamarixetin was tested and compared with quercetin, 7-O-methylated quercetin, and 3-O-methylated quercetin. Results showed that the growth of all tested cancer cell lines (AGS, B16F10, C6, and HeLa) were inhibited by tamarixetin more effectively than other methylated derivatives of quercetin or quercetin. Tamarixetin also exhibited the best antimelanogenic activity among all compounds tested.
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Affiliation(s)
- Sumangala Darsandhari
- Department of Life Science and Biochemical Engineering, SunMoon University, Asan-si, Chungnam, Republic of Korea
| | - Dipesh Dhakal
- Department of Life Science and Biochemical Engineering, SunMoon University, Asan-si, Chungnam, Republic of Korea
| | - Biplav Shrestha
- Department of Life Science and Biochemical Engineering, SunMoon University, Asan-si, Chungnam, Republic of Korea
| | - Sanghun Lee
- Department of Life Science and Biochemical Engineering, SunMoon University, Asan-si, Chungnam, Republic of Korea
| | - Narae Jung
- Department of Life Science and Biochemical Engineering, SunMoon University, Asan-si, Chungnam, Republic of Korea
| | - Hye Jin Jung
- Department of Life Science and Biochemical Engineering, SunMoon University, Asan-si, Chungnam, Republic of Korea
| | - Jae Kyung Sohng
- Department of Life Science and Biochemical Engineering, SunMoon University, Asan-si, Chungnam, Republic of Korea.,Department of BT-Convergent Pharmaceutical Engineering, SunMoon University, Asan-si, Chungnam, Republic of Korea
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Brich L, Gleich B, Schaff F, Mall V, Jung N. P76 Intra-individual variability of I-wave peaks – Preliminary results. Clin Neurophysiol 2020. [DOI: 10.1016/j.clinph.2019.12.077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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22
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Yu SH, Kim Y, Jung N, Hwang JW, Kim N, Ha JC, Kim MJ, Lee Y, Choi YS, Han K, Kim CH. Hair growth-promoting effect of recombinant human sonic hedgehog proteins. biomed dermatol 2019. [DOI: 10.1186/s41702-019-0047-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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23
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Piekarski F, Thalheimer M, Seyfried T, Kron F, Jung N, Sandow P, Isik S, Fuellenbach C, Choorapoikayil S, Marschall U, Winterhalter M, Wunderer F, Kloka J, Tellbach JH, Zacharowski K, Meybohm P. [Various scenarios for billing and remuneration of preoperative management of iron deficiency anemia in the German healthcare system]. Anaesthesist 2019; 68:540-545. [PMID: 31396676 DOI: 10.1007/s00101-019-0632-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
More than 30% of all patients undergoing surgery suffer from preoperative anemia. Iron deficiency anemia is the most common type of anemia. The diagnostics and treatment of iron deficiency anemia can be carried out before patients undergo surgery as an alternative to blood transfusion and is an interdisciplinary task. This article gives an overview of various billing modalities and payment arrangements for management of preoperative anemia in the German healthcare system.
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Affiliation(s)
- F Piekarski
- Klinik für Anästhesiologie, Intensivmedizin und Schmerztherapie, Universitätsklinikum Frankfurt, Frankfurt am Main, Deutschland.
| | - M Thalheimer
- Qualitätsmanagement und Medizincontrolling, Universitätsklinikum Heidelberg, Heidelberg, Deutschland
| | - T Seyfried
- Klinik für Anästhesiologie, Intensivmedizin und Schmerztherapie, Universitätsklinikum Regensburg, Regensburg, Deutschland
| | - F Kron
- Klinik I für Innere Medizin, Universitätsklinikum Köln, Köln, Deutschland
| | - N Jung
- Gemeinschaftspraxis Drs. Jung, Deggingen, Deutschland
| | - P Sandow
- Hausarztpraxis Dr. P. Sandow, Berlin, Deutschland
| | - S Isik
- Klinik für Anästhesiologie, Intensivmedizin und Schmerztherapie, Universitätsklinikum Frankfurt, Frankfurt am Main, Deutschland
| | - C Fuellenbach
- Klinik für Anästhesiologie, Intensivmedizin und Schmerztherapie, Universitätsklinikum Frankfurt, Frankfurt am Main, Deutschland
| | - S Choorapoikayil
- Klinik für Anästhesiologie, Intensivmedizin und Schmerztherapie, Universitätsklinikum Frankfurt, Frankfurt am Main, Deutschland
| | | | - M Winterhalter
- Klinik für Anästhesiologie und Spezielle Schmerztherapie, Klinikum Bremen Mitte, Bremen, Deutschland
| | - F Wunderer
- Klinik für Anästhesiologie, Intensivmedizin und Schmerztherapie, Universitätsklinikum Frankfurt, Frankfurt am Main, Deutschland
| | - J Kloka
- Klinik für Anästhesiologie, Intensivmedizin und Schmerztherapie, Universitätsklinikum Frankfurt, Frankfurt am Main, Deutschland
| | | | - K Zacharowski
- Klinik für Anästhesiologie, Intensivmedizin und Schmerztherapie, Universitätsklinikum Frankfurt, Frankfurt am Main, Deutschland
| | - P Meybohm
- Klinik für Anästhesiologie, Intensivmedizin und Schmerztherapie, Universitätsklinikum Frankfurt, Frankfurt am Main, Deutschland
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Putensen C, Ellger B, Sakka SG, Weyland A, Schmidt K, Zoller M, Weiler N, Kindgen-Milles D, Jaschinski U, Weile J, Lindau S, Kieninger M, Faltlhauser A, Jung N, Teschendorf P, Adamzik M, Gründling M, Wahlers T, Gerlach H, Litty FA. Current clinical use of intravenous fosfomycin in ICU patients in two European countries. Infection 2019; 47:827-836. [PMID: 31190298 DOI: 10.1007/s15010-019-01323-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Accepted: 05/16/2019] [Indexed: 12/21/2022]
Abstract
PURPOSE In Europe, intravenous fosfomycin (IV) is used particularly in difficult-to-treat or complex infections, caused by both Gram-positive and Gram-negative pathogens including multidrug-resistant strains. Here, we investigated the efficacy and safety of intravenous fosfomycin under real-life conditions. METHODS Prospective, multi-center, and non-interventional study in patients with bacterial infections from 20 intensive care units (ICU) in Germany and Austria (NCT01173575). RESULTS Overall, 209 patients were included (77 females, 132 males, mean age: 59 ± 16 years), 194 of which were treated in intensive care (APACHE II score at the beginning of fosfomycin therapy: 23 ± 8). Main indications (± bacteremia or sepsis) were infections of the CNS (21.5%), community- (CAP) and hospital-acquired pneumonia (HAP)/ventilator-associated pneumonia (VAP, 15.3%), bone and joint infections (BJI, 11%), abdominal infections (11%), and bacteremia (10.5%). Most frequently identified pathogens were S. aureus (22.3%), S. epidermidis (14.2%), Enterococcus spp. (10.8%), E. coli (12.3%) and Klebsiella spp. (7.7%). At least one multidrug-resistant (MDR) pathogen was isolated from 51 patients (24.4%). Fosfomycin was administered with an average daily dose of 13.7 ± 3.5 g over 12.4 ± 8.6 days, almost exclusively (99%) in combination with other antibiotics. The overall clinical success was favorable in 81.3% (148/182) of cases, and in 84.8% (39/46) of patients with ≥ 1 MDR pathogen. Noteworthy, 16.3% (34/209) of patients developed at least one, in the majority of cases non-serious, adverse drug reaction during fosfomycin therapy. CONCLUSION Our data suggest that IV fosfomycin is an effective and safe combination partner for the treatment of a broad spectrum of severe bacterial infections in critically ill patients.
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Affiliation(s)
- C Putensen
- Department of Anesthesiology and Surgical Intensive Care Medicine, Medical School of the University of Bonn, Bonn, Germany
| | - B Ellger
- Department of Anesthesiology, Intensive Care Medicine and Pain Therapy, Klinikum Westfalen GmbH, Dortmund, Germany
| | - S G Sakka
- Department of Anesthesiology and Operative Intensive Care Medicine, Medical Center Cologne-Merheim, University of Witten/Herdecke, Cologne, Germany
| | - A Weyland
- Department of Anesthesiology/Intensive Care Medicine/Emergency Medicine/Pain Therapy, Klinikum Oldenburg GmbH, Oldenburg, Germany
| | - K Schmidt
- Department of Anesthesiology, Charité University Hospital Berlin, Berlin, Germany
| | - M Zoller
- Department of Anesthesiology, University Hospital Munich, Munich, Germany
| | - N Weiler
- Department of Anesthesiology and Intensive Care Medicine, University Medical Center Schleswig- Holstein, Campus Kiel, Kiel, Germany
| | - D Kindgen-Milles
- Department of Anesthesiology, University Hospital Düsseldorf, Düsseldorf, Germany
| | - U Jaschinski
- Department of Anesthesiology and Surgical Intensive Care Medicine, University Hospital Augsburg, Augsburg, Germany
| | - J Weile
- Department of Thorax and Cardiovascular Medicine, Institute of Laboratory and Transfusion Medicine, Heart and Diabetes Center North Rhine-Westphalia, Bad Oeynhausen, Germany
| | - S Lindau
- Department of Anesthesiology/Intensive Care Medicine/Pain Therapy, University Hospital Frankfurt, Frankfurt, Germany
| | - M Kieninger
- Department of Anesthesiology and Neurosurgical Intensive Care Unit, University Hospital Regensburg, Regensburg, Germany
| | - A Faltlhauser
- Interdisciplinary Intensive Care Unit, Weiden Hospital, Weiden, Germany
| | - N Jung
- Department I of Internal Medicine, University Hospital of Cologne, Cologne, Germany
| | - P Teschendorf
- Department of Anesthesiology and Surgical Intensive Care Medicine, Klinikum Osnabrück GmbH, Osnabrück, Germany
| | - M Adamzik
- Department of Anesthesiology/Intensive Care Medicine/Pain Therapy, Knappschaftskrankenhaus Bochum, Bochum, Germany
| | - M Gründling
- Department of Anesthesiology/Intensive Care Medicine/Emergency Medicine/Pain Therapy, University Hospital Greifswald, Greifswald, Germany
| | - T Wahlers
- Department of Cardiothoracic Surgery, University Hospital of Cologne, Cologne, Germany
| | - H Gerlach
- Department of Anesthesiology and Surgical Intensive Care Medicine, Klinikum Neukölln, Berlin, Germany
| | - F-A Litty
- InfectoPharm Arzneimittel und Consilium GmbH, Heppenheim, Germany.
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Carter A, Jung N, Shridharani A. 269 Genital Incarceration with Metal Foreign Bodies: Four Cases of Successful Removal Using the Midas Rex Legend. J Sex Med 2019. [DOI: 10.1016/j.jsxm.2019.01.275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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26
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Jung N, Bueb JL, Tolle F, Bréchard S. Regulation of neutrophil pro-inflammatory functions sheds new light on the pathogenesis of rheumatoid arthritis. Biochem Pharmacol 2019; 165:170-180. [PMID: 30862503 DOI: 10.1016/j.bcp.2019.03.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Accepted: 03/07/2019] [Indexed: 02/08/2023]
Abstract
For more than two centuries now, rheumatoid arthritis (RA) is under investigation intending to discover successful treatment. Despite decades of scientific advances, RA is still representing a challenge for contemporary medicine. Current drug therapies allow to improve significantly the quality of life of RA patients; however, they are still insufficient to reverse tissue injury and are often generating side-effects. The difficulty arises from the considerable fluctuation of the clinical course of RA among patients, making the predictive prognosis difficult. More and more studies underline the profound influence of the neutrophil multifaceted functions in the pathogenesis of RA. This renewed interest in the complexity of neutrophil functions in RA offers new exciting opportunities for valuable therapeutic targets as well as for safe and well-tolerated RA treatments. In this review, we aim to update the recent findings on the multiple facets of neutrophils in RA, in particular their impact in promoting the RA-based inflammation through the release of the cytokine-like S100A8/A9 protein complex, as well as the importance of NETosis in the disease progression and development. Furthermore, we delve into the complex question of neutrophil heterogeneity and plasticity and discuss the emerging role of miRNAs and epigenetic markers influencing the inflammatory response of neutrophils in RA and how they could constitute the starting point for novel attractive targets in RA therapy.
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Affiliation(s)
- N Jung
- Life Sciences Research Unit, Immune Cells and Inflammatory Diseases group, University of Luxembourg, 6 Avenue du Swing, L-4367 Belvaux, Luxembourg
| | - J-L Bueb
- Life Sciences Research Unit, Immune Cells and Inflammatory Diseases group, University of Luxembourg, 6 Avenue du Swing, L-4367 Belvaux, Luxembourg
| | - F Tolle
- Life Sciences Research Unit, Immune Cells and Inflammatory Diseases group, University of Luxembourg, 6 Avenue du Swing, L-4367 Belvaux, Luxembourg
| | - S Bréchard
- Life Sciences Research Unit, Immune Cells and Inflammatory Diseases group, University of Luxembourg, 6 Avenue du Swing, L-4367 Belvaux, Luxembourg.
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27
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Asenbauer E, Gleich B, Gattinger N, Siebner H, Mall V, Jung N. P55. Probing homeostatic and metaplastic mechanisms of quadri-pulse theta burst stimulation using an inhibitory priming protocol. Clin Neurophysiol 2018. [DOI: 10.1016/j.clinph.2018.04.692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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28
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Scholten M, Suárez I, Platten M, Kümmerle T, Jung N, Wyen C, Ernst A, Horn C, Burst V, Suárez V, Rybniker J, Fätkenheuer G, Lehmann C. To prescribe, or not to prescribe: decision making in HIV-1 post-exposure prophylaxis. HIV Med 2018; 19:645-653. [PMID: 29993176 DOI: 10.1111/hiv.12645] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/18/2018] [Indexed: 11/27/2022]
Abstract
OBJECTIVES We investigated the trend in usage of post-exposure prophylaxis (PEP) after HIV-1 risk exposure and evaluated PEP prescription decision making of physicians according to guidelines. METHODS All PEP consultations from January 2014 to December 2016 in patients presenting at the University Hospital of Cologne (Germany) were retrospectively analysed. HIV risk contacts included sexual and occupational exposure. The European AIDS Clinical Society (EACS) Guidelines for HIV PEP (version 9.0, 2017) were used for assessment. RESULTS A total of 649 patients presented at the emergency department (ED) or the clinic for infectious diseases (IDC) for PEP consultations. A continuous increase in the number of PEP requests was recorded: 189 in 2014, 208 in 2015 and 252 in 2016. PEP consultations in men who have sex with men (MSM) showed a remarkable increase in 2016 (2014, n = 96; 2015, n = 101; 2016, n = 152). Decisions taken by physicians with a specialization in infectious diseases (n = 547) included 61 (11%) guideline-discordant prescriptions [2014: 14% (n = 22); 2015: 9% (n = 16); 2016: 11% (n = 23)]. Among these, sexual exposure accounted for 45 (74%) cases, including 15 cases of nonconsensual sex, while occupational exposure accounted for 14 (23%) cases and other exposure two cases (3%). The main reason for guideline-discordant PEP prescriptions was emotional stress of the patient (n = 37/61). CONCLUSIONS PEP prescriptions are increasing and decision making is influenced by patients' emotional stress, but PEP prescriptions should be strictly administered according to risk assessment.
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Affiliation(s)
- M Scholten
- Department I of Internal Medicine, University of Cologne, Cologne, Germany
| | - I Suárez
- Department I of Internal Medicine, University of Cologne, Cologne, Germany
| | - M Platten
- Department I of Internal Medicine, University of Cologne, Cologne, Germany.,German Center for Infection Research (DZIF) Partner Site Bonn-Cologne, Cologne, Germany
| | - T Kümmerle
- Department I of Internal Medicine, University of Cologne, Cologne, Germany.,Practice Ebertplatz, Cologne, Germany
| | - N Jung
- Department I of Internal Medicine, University of Cologne, Cologne, Germany.,German Center for Infection Research (DZIF) Partner Site Bonn-Cologne, Cologne, Germany
| | - C Wyen
- Department I of Internal Medicine, University of Cologne, Cologne, Germany.,Practice Ebertplatz, Cologne, Germany
| | - A Ernst
- Institute of Medical Statistics and Computational Biology, University of Cologne, Cologne, Germany
| | - C Horn
- Department I of Internal Medicine, University of Cologne, Cologne, Germany
| | - V Burst
- Department II of Internal Medicine and Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany
| | - V Suárez
- Department II of Internal Medicine and Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany
| | - J Rybniker
- Department I of Internal Medicine, University of Cologne, Cologne, Germany.,German Center for Infection Research (DZIF) Partner Site Bonn-Cologne, Cologne, Germany.,Center for Molecular Medicine Cologne (CMMC), University of Cologne, Cologne, Germany
| | - G Fätkenheuer
- Department I of Internal Medicine, University of Cologne, Cologne, Germany.,German Center for Infection Research (DZIF) Partner Site Bonn-Cologne, Cologne, Germany
| | - C Lehmann
- Department I of Internal Medicine, University of Cologne, Cologne, Germany.,German Center for Infection Research (DZIF) Partner Site Bonn-Cologne, Cologne, Germany.,Center for Molecular Medicine Cologne (CMMC), University of Cologne, Cologne, Germany
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Abstract
AIMS Staphylococcus aureus bloodstream infection is one of the most common serious bacterial infections worldwide. It represents a heterogenous clinical entity with a high risk of metastatic complications and a high in-hospital mortality ranging between 20 and 30%. The outcome can be improved by optimised diagnostic and therapeutic management. Thus, our minireview should provide important and often missed pieces of information in the management of S. aureus bloodstream infection. METHODS We describe the essentials in the management of S. aureus bloodstream infection. RESULTS Five essentials were identified: 1) S. aureus bacteremia should always be considered clinically significant. 2) Length of bacteremia and fever is relevant for diagnostic workup, duration of therapy and prognosis. 3) Prompt identification and eradication of portal of entry and infective/metastatic foci are essential. 4) Infective endocarditis should be excluded. 5) Intravenous treatment for at least two weeks up to 4-6 weeks with antistaphylococcal penicillins for MSSA and vancomycin or daptomycin for MRSA bloodstream infection is indicated. CONCLUSION Further efforts should be undertaken to increase the adherence to the essentials in the management of S. aureus bloodstream infection.
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Affiliation(s)
- N Jung
- Department I for Internal Medicine, University Hospital of Cologne, 50924, Cologne, Germany.
| | - S Rieg
- Division of Infectious Diseases, Department of Medicine II, Medical Center, University of Freiburg, 79106, Freiburg, Germany
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30
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Jung N, Kwon HJ, Jung HJ. Downregulation of mitochondrial UQCRB inhibits cancer stem cell-like properties in glioblastoma. Int J Oncol 2017; 52:241-251. [PMID: 29115404 DOI: 10.3892/ijo.2017.4191] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2017] [Accepted: 10/10/2017] [Indexed: 11/06/2022] Open
Abstract
Glioblastoma stem cell targeted therapies have become a powerful strategy for the treatment of this deadliest brain tumor. We demonstrate for the first time that downregulation of mitochondrial ubiquinol-cytochrome c reductase binding protein (UQCRB) inhibits the cancer stem cell-like properties in human glioblastoma cells. The synthetic small molecules targeting UQCRB significantly suppressed not only the self-renewal capacity such as growth and neurosphere formation, but also the metastatic potential such as migration and invasion of glioblastoma stem‑like cells (GSCs) derived from U87MG and U373MG at subtoxic concentrations. Notably, the UQCRB inhibitors repressed c‑Met-mediated downstream signal transduction and hypoxia‑inducible factor‑1α (HIF‑1α) activation, thereby reducing the expression levels of GSC markers including CD133, Nanog, Oct4 and Sox2 in the GSCs. Furthermore, the UQCRB inhibitors decreased mitochondrial ROS generation and mitochondrial membrane potential in the GSCs, indicating that they regulate the mitochondrial function in GSCs. Indeed, the knockdown of UQCRB gene by UQCRB siRNA significantly inhibited the cancer stem cell-like phenotypes as well as the expression of stemness markers by blocking mitochondrial ROS/HIF‑1α/c‑Met pathway in U87MG GSCs. These findings suggest that UQCRB and its inhibitors could be a new therapeutic target and lead compounds for eliminating cancer stem cells in glioblastoma.
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Affiliation(s)
- Narae Jung
- Department of BT-Convergent Pharmaceutical Engineering, Sun Moon University, Tangjeong-myeon, Asan-si, Chungnam 336-708, Republic of Korea
| | - Ho Jeong Kwon
- Department of Biotechnology, Yonsei University, Seodaemun-gu, Seoul 120-749, Republic of Korea
| | - Hye Jin Jung
- Department of BT-Convergent Pharmaceutical Engineering, Sun Moon University, Tangjeong-myeon, Asan-si, Chungnam 336-708, Republic of Korea
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31
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Jung N, Koop H, Riessen R, Galle JC, Jany B, Märker-Hermann E. ["Choosing wisely" in infectious diseases : Overuse of antibiotics - too few vaccinations]. Internist (Berl) 2017; 57:527-31. [PMID: 27193347 DOI: 10.1007/s00108-016-0063-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The "choosing wisely" recommendations of the German Society of Internal Medicine (DGIM) and its specialist societies address diagnostic and therapeutic procedures, which are of particular medical importance but applied too often or too rarely in clinical practice. The aim is to further improve treatment of patients. Important topics of overuse and insufficient treatment related to the diagnostics, therapy, prevention and exclusion of infectious diseases could be identified. These topics not only play an important role in the discipline of infectious diseases but are also relevant for other internal medical disciplines. These topics related to infectious diseases have also been integrated into the recommendations of the German Society of Gastroenterology, Digestive and Metabolic Diseases as well as the German Societies for Internal Intensive Care and Emergency Medicine, for Pneumology, for Nephrology and for Rheumatology. The pivotal issues of the recommendations are the inappropriate use of antibiotics and insufficient vaccination rates.
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Affiliation(s)
- N Jung
- Klinik 1 für Innere Medizin, Universitätsklinikum Köln, Kerpener Str. 62, 50935, Köln, Deutschland. .,Geschäftsstelle Berlin, Deutsche Gesellschaft für Infektiologie (DGI), Berlin, Deutschland.
| | - H Koop
- Geschäftsstelle Berlin, Deutsche Gesellschaft für Gastroenterologie, Verdauungs- und Stoffwechselerkrankungen (DGVS), Berlin, Deutschland
| | - R Riessen
- Geschäftsstelle Berlin, Deutsche Gesellschaft für Internistische Intensivmedizin und Notfallmedizin (DGIIN), Berlin, Deutschland
| | - J-C Galle
- Geschäftsstelle Berlin, Deutsche Gesellschaft für Nephrologie (DGfN), Berlin, Deutschland
| | - B Jany
- Geschäftsstelle Berlin, Deutsche Gesellschaft für Pneumologie und Beatmungsmedizin (DGP), Berlin, Deutschland
| | - E Märker-Hermann
- Geschäftsstelle Berlin, Deutsche Gesellschaft für Rheumatologie (DGRh), Berlin, Deutschland
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Abstract
Septic arthritis and spondylodiscitis are relatively rare but severe diseases with increasing incidence. Septic arthritis is an emergency situation with high morbidity (40 %) and fatality rates (11 %). The infection occurs via a hematogenous route by direct inoculation or per continuitatem. Patients with pre-existing destructive joint diseases or under immunosuppressive treatment are particularly at risk. It is mandatory to sample synovial fluid for isolation of the relevant pathogen and quantification of leucocytes before starting antibiotic therapy. In order to preserve the joint, early evacuation of the infected synovial space is necessary. Spondylodiscitis is characterized by infection of the vertebra and neighboring discs mainly via a hematogenous route. Immunosuppressed and older patients are primarily at risk of infection. Back pain represents the main symptom but due to its unspecific character and the frequent absence of fever, diagnosis is often delayed. In Europe Staphylococcus aureus is the most prevalent pathogen, whereas tuberculosis is the most frequent causal agent worldwide. Magnetic resonance imaging (MRI) respresents the method of choice for the radiological diagnostics. In stable patients isolation of the pathogen should be achieved before starting antimicrobial therapy (e.g. blood cultures or tissue samples by computed tomography guided puncture or biopsy). The recommended duration of pathogen-specific antibiotic therapy for native spondylodiscitis is normally 6 weeks.
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Affiliation(s)
- N Jung
- Klinik 1 für Innere Medizin, Universitätsklinikum Köln, Kerpener Str. 62, 50935, Köln, Deutschland.
| | - S Vossen
- Plastische, Ästhetische und Handchirurgie, Franziskushospital Aachen, 52074, Aachen, Deutschland
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Park S, Choi Y, Kwak G, Hong Y, Jung N, Kim J, Choi B, Jung S. Restoration of neuromuscular function in charcot-marie-tooth (CMT)1a disease by human tonsil-derived MSC (T-MSC). Cytotherapy 2017. [DOI: 10.1016/j.jcyt.2017.02.326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Chu LL, Pandey RP, Jung N, Jung HJ, Kim EH, Sohng JK. Hydroxylation of diverse flavonoids by CYP450 BM3 variants: biosynthesis of eriodictyol from naringenin in whole cells and its biological activities. Microb Cell Fact 2016; 15:135. [PMID: 27495155 PMCID: PMC4974697 DOI: 10.1186/s12934-016-0533-4] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Accepted: 07/27/2016] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Cytochrome P450 monooxygenase constitutes a significant group of oxidative enzymes that can introduce an oxygen atom in a high regio- and stereo-selectivity mode. We used the Bacillus megaterium cytochrome P450 BM3 (CYP450 BM3) and its variants namely mutant 13 (M13) and mutant 15 (M15) for the hydroxylation of diverse class of flavonoids. RESULTS Among 20 flavonoids, maximum seven flavonoids were hydroxylated by the variants while none of these molecules were accepted by CYP450 BM3 in in vitro reaction. Moreover, M13 exhibited higher conversion of substrates than M15 and CYP450 BM3 enzymes. We found that M13 carried out regiospecific 3'-hydroxylation reaction of naringenin with the highest conversion among all the tested flavonoids. The apparent K m and k cat values of M13 for naringenin were 446 µM and 1.955 s(-1), respectively. In whole-cell biotransformation experiment with 100 µM of naringenin in M9 minimal medium with 2 % glucose in shake flask culture, M13 showed 2.14- and 13.96-folds higher conversion yield in comparison with M15 (16.11 %) and wild type (2.47 %). The yield of eriodictyol was 46.95 µM [~40.7 mg (13.5 mg/L)] in a 3-L volume lab scale fermentor at 48 h in the same medium exhibiting approximately 49.81 % conversion of the substrate. In addition, eriodictyol exhibited higher antibacterial and anticancer potential than naringenin, flavanone and hesperetin. CONCLUSIONS We elucidated that eriodictyol being produced from naringenin using recombinant CYP450 BM3 and its variants from B. megaterium, which shows an approach for the production of important hydroxylated compounds of various polyphenols that may span pharmaceutical industries.
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Affiliation(s)
- Luan Luong Chu
- Department of Life Science and Biochemical Engineering, SunMoon University, 70 Sunmoon-ro 221, Tangjeong-myeon, Asan-si, Chungnam, 31460, South Korea
| | - Ramesh Prasad Pandey
- Department of Life Science and Biochemical Engineering, SunMoon University, 70 Sunmoon-ro 221, Tangjeong-myeon, Asan-si, Chungnam, 31460, South Korea.,Department of BT-Convergent Pharmaceutical Engineering, SunMoon University, 70 Sunmoon-ro 221, Tangjeong-myeon, Asan-si, Chungnam, 31460, South Korea
| | - Narae Jung
- Department of Life Science and Biochemical Engineering, SunMoon University, 70 Sunmoon-ro 221, Tangjeong-myeon, Asan-si, Chungnam, 31460, South Korea
| | - Hye Jin Jung
- Department of Life Science and Biochemical Engineering, SunMoon University, 70 Sunmoon-ro 221, Tangjeong-myeon, Asan-si, Chungnam, 31460, South Korea.,Department of BT-Convergent Pharmaceutical Engineering, SunMoon University, 70 Sunmoon-ro 221, Tangjeong-myeon, Asan-si, Chungnam, 31460, South Korea
| | - Eun-Hee Kim
- Division of Magnetic Resonance, Korea Basic Science Institute, Ochang, Chungbuk, 363-883, South Korea
| | - Jae Kyung Sohng
- Department of Life Science and Biochemical Engineering, SunMoon University, 70 Sunmoon-ro 221, Tangjeong-myeon, Asan-si, Chungnam, 31460, South Korea. .,Department of BT-Convergent Pharmaceutical Engineering, SunMoon University, 70 Sunmoon-ro 221, Tangjeong-myeon, Asan-si, Chungnam, 31460, South Korea.
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Kim B, Jung N, Lee S, Sohng JK, Jung HJ. Apigenin Inhibits Cancer Stem Cell-Like Phenotypes in Human Glioblastoma Cells via Suppression of c-Met Signaling. Phytother Res 2016; 30:1833-1840. [DOI: 10.1002/ptr.5689] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2016] [Revised: 06/05/2016] [Accepted: 07/06/2016] [Indexed: 12/19/2022]
Affiliation(s)
- Boram Kim
- Department of BT-Convergent Pharmaceutical Engineering; Sun Moon University; 70, Sunmoon-ro 221, Tangjeong-myeon Asan-si Chungnam 336-708 Korea
| | - Narae Jung
- Department of BT-Convergent Pharmaceutical Engineering; Sun Moon University; 70, Sunmoon-ro 221, Tangjeong-myeon Asan-si Chungnam 336-708 Korea
| | - Sanghun Lee
- Department of BT-Convergent Pharmaceutical Engineering; Sun Moon University; 70, Sunmoon-ro 221, Tangjeong-myeon Asan-si Chungnam 336-708 Korea
| | - Jae Kyung Sohng
- Department of BT-Convergent Pharmaceutical Engineering; Sun Moon University; 70, Sunmoon-ro 221, Tangjeong-myeon Asan-si Chungnam 336-708 Korea
| | - Hye Jin Jung
- Department of BT-Convergent Pharmaceutical Engineering; Sun Moon University; 70, Sunmoon-ro 221, Tangjeong-myeon Asan-si Chungnam 336-708 Korea
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Park S, Choi Y, Jung N, Kim J, Choi B, Jung S. Therapeutic Potential of Human Tonsil-Derived Stem Cell for Skeletal Muscle Regeneration. Cytotherapy 2016. [DOI: 10.1016/j.jcyt.2016.03.067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Fätkenheuer G, Jessen H, Stoehr A, Jung N, Jessen AB, Kümmerle T, Berger M, Bogner JR, Spinner CD, Stephan C, Degen O, Vogelmann R, Spornraft-Ragaller P, Schnaitmann E, Jensen B, Ulmer A, Kittner JM, Härter G, Malfertheiner P, Rockstroh J, Knecht G, Scholten S, Harrer T, Kern WV, Salzberger B, Schürmann D, Ranneberg B. PEPDar: A randomized prospective noninferiority study of ritonavir-boosted darunavir for HIV post-exposure prophylaxis. HIV Med 2016; 17:453-9. [PMID: 27166295 DOI: 10.1111/hiv.12363] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/28/2015] [Indexed: 11/28/2022]
Abstract
OBJECTIVES PEPDar compared the tolerability and safety of ritonavir-boosted darunavir (DRV/r)-based post-exposure prophylaxis (PEP) with the tolerability and safety of standard of care (SOC). The primary endpoint was the early discontinuation rate among the per-protocol population. METHODS PEPDar was an open-label, randomized, multicentre, prospective, noninferiority safety study. Subjects were stratified by type of event (occupational vs. nonoccupational, i.e. sexual) and were randomized to receive DRV/r plus two nucleoside reverse transcriptase inhibitors (NRTIs) or SOC PEP. Twenty-two private or university HIV clinics in Germany participated. Subjects were ≥ 18 years old and had documented or potential HIV exposure and indication for HIV PEP. They initiated PEP not later than 72 h after the event and were HIV negative. RESULTS A total of 324 subjects were screened, the per-protocol population was 305, and 273 subjects completed the study. One hundred and fifty-five subjects received DRV/r-based PEP and 150 subjects received ritonavir-boosted lopinavir (LPV/r)-based PEP for 28-30 days; 298 subjects also received tenofovir/emtricitabine. The early discontinuation rate in the DRV/r arm was 6.5% compared with 10.0% in the SOC arm (P = 0.243). Adverse drug reactions (ADRs) were reported in 68% of DRV/r subjects and 75% of SOC subjects (P = 0.169). Fewer DRV/r subjects (16.1%) had at least one grade 2 or 3 ADR compared with SOC subjects (29.3%) (P = 0.006). All grades of diarrhoea, nausea, and sleep disorders were significantly less frequent with DRV/r, while headache was significantly more frequent. No HIV seroconversion was reported during follow-up. CONCLUSIONS Noninferiority of DRV/r to SOC was demonstrated. DRV/r should be included as a standard component of recommended regimens in PEP guidelines.
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Affiliation(s)
- G Fätkenheuer
- Department I of Internal Medicine, University Hospital of Cologne, Cologne, Germany.,German Centre for Infection Research, partner site Bonn-Cologne, Cologne, Germany
| | - H Jessen
- Praxis Jessen2 + Kollegen, Berlin, Germany
| | - A Stoehr
- ifi - Institute for Interdisciplinary Medicine, Study Centre St. Georg, Hamburg, Germany
| | - N Jung
- Department I of Internal Medicine, University Hospital of Cologne, Cologne, Germany
| | - A B Jessen
- Praxis Jessen2 + Kollegen, Berlin, Germany
| | - T Kümmerle
- Department I of Internal Medicine, University Hospital of Cologne, Cologne, Germany
| | - M Berger
- Immunology Outpatient Clinic, Vivantes Auguste Viktoria Hospital, Berlin, Germany
| | - J R Bogner
- Section Infectcious Diseases, Med IV, University Hospital of Munich, Munich, Germany
| | - C D Spinner
- Department of Medicine II, University Hospital Klinikum rechts der Isar, Munich, Germany
| | - C Stephan
- Department of Medicine, Center for Internal Medicine, J. W. Goethe-University Frankfurt, Frankfurt am Main, Germany
| | - O Degen
- Outpatient Infectious Diseases Unit, University Center Hamburg Eppendorf, Hamburg, Germany
| | - R Vogelmann
- Department of Internal Medicine, Medical Clinic II, Ruprecht-Karls-University Heidelberg, Mannheim, Germany
| | | | | | - B Jensen
- Department of Gastroenterology, Hepatology and Infectiology, University Hospital Düsseldorf, Düsseldorf, Germany
| | - A Ulmer
- Group Practice Ulmer/Frietsch/Müller/Roll, Stuttgart, Germany
| | - J M Kittner
- Medical Clinic and Outpatient Clinic I, University Hospital Mainz, Mainz, Germany
| | - G Härter
- Clinic for Internal Medizin III, Ulm University Medical Center, Ulm, Germany
| | - P Malfertheiner
- Clinic for Gastroenterology, Hepatology and Infectiology, University Hospital Magdeburg, Magdeburg, Germany
| | - J Rockstroh
- Internal Medicine I, Gastroenterology, Infectious Diseases, University Hospital Bonn, Bonn, Germany
| | - G Knecht
- Internal Medicine Specialist Center Stresemannallee, Frankfurt am Main, Germany
| | - S Scholten
- Practice Hohenstaufenring, Cologne, Germany
| | - T Harrer
- Department of Medicine 3, University Medicine Erlangen, Erlangen, Germany
| | - W V Kern
- Division of Infectious Diseases, University Hospital, Freiburg, Germany
| | - B Salzberger
- Department Internal Medicine I, University Regensburg, Regensburg, Germany
| | - D Schürmann
- Division of Infectiology and Pneumonology, Medical Department, Charité-University Medicine Berlin, Berlin, Germany
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Bhattacharjee S, Gupta K, Jung N, Yoo SJ, Waghmare UV, Lee SC. Site preference of NH3-adsorption on Co, Pt and CoPt surfaces: the role of charge transfer, magnetism and strain. Phys Chem Chem Phys 2015; 17:9335-40. [DOI: 10.1039/c4cp05557h] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Oxidation of Co at the surface poses a major problem in the cyclable use of CoPt, a cost-effective catalyst for proton exchange membrane fuel cells.
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Affiliation(s)
- S. Bhattacharjee
- Indo-Korea Science and Technology Center (IKST)
- Bangalore
- India
- Theoretical Science Unit & Sheikh Saqr Laboratory
- Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR)
| | - K. Gupta
- Indo-Korea Science and Technology Center (IKST)
- Bangalore
- India
- Theoretical Science Unit & Sheikh Saqr Laboratory
- Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR)
| | - N. Jung
- Fuel Cell Research Center
- Korea Institute of Science
- Korea
| | - S. J. Yoo
- Fuel Cell Research Center
- Korea Institute of Science
- Korea
| | - U. V. Waghmare
- Theoretical Science Unit & Sheikh Saqr Laboratory
- Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR)
- Bangalore
- India
| | - S. C. Lee
- Indo-Korea Science and Technology Center (IKST)
- Bangalore
- India
- Electronic Materials Research Center
- Korea Institute of Science
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Oh S, Jung N, Lee J, Kim J, Park KM, Kang Y. Heteroleptic Phosphorescent Iridium(III) Compound with Blue Emission for Potential Application to Organic Light-Emitting Diodes. B KOREAN CHEM SOC 2014. [DOI: 10.5012/bkcs.2014.35.12.3590] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Jung N, Gleich B, Siebner H, Kalb A, Gattinger N, Mall V. P680: Induction of neuronal plasticity by transcranial biphasic quadro-pulse stimulation with one or two full-sine cycles. Clin Neurophysiol 2014. [DOI: 10.1016/s1388-2457(14)50771-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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41
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Jung N, Grässle S, Lütjohann DS, Bräse S. Solid-Supported Odorless Reagents for the Dithioacetalization of Aldehydes and Ketones. Org Lett 2014; 16:1036-9. [DOI: 10.1021/ol403313h] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- N. Jung
- Karlsruhe
Institute of Technology, Campus North, Hermann-von-Helmholtz-Platz
1, 76344 Eggenstein-Leopoldshafen, Germany
- Karlsruhe Institute of Technology, Campus South, Fritz-Haber-Weg 6, 76131 Karlsruhe, Germany
| | - S. Grässle
- Karlsruhe
Institute of Technology, Campus North, Hermann-von-Helmholtz-Platz
1, 76344 Eggenstein-Leopoldshafen, Germany
- Karlsruhe Institute of Technology, Campus South, Fritz-Haber-Weg 6, 76131 Karlsruhe, Germany
| | - D. S. Lütjohann
- Karlsruhe
Institute of Technology, Campus North, Hermann-von-Helmholtz-Platz
1, 76344 Eggenstein-Leopoldshafen, Germany
- Karlsruhe Institute of Technology, Campus South, Fritz-Haber-Weg 6, 76131 Karlsruhe, Germany
| | - S. Bräse
- Karlsruhe
Institute of Technology, Campus North, Hermann-von-Helmholtz-Platz
1, 76344 Eggenstein-Leopoldshafen, Germany
- Karlsruhe Institute of Technology, Campus South, Fritz-Haber-Weg 6, 76131 Karlsruhe, Germany
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Jung HY, Park SY, Jung N, Cho NY, Kang GH. Abstract P2-06-06: ALU and LINE-1 hypomethylation is associated with HER2+/ER- subtype of breast cancer. Cancer Res 2013. [DOI: 10.1158/0008-5472.sabcs13-p2-06-06] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
The changes in DNA methylation status in cancer cells are characterized by hypermethylation of promoter CpG islands and diffuse hypomethylation of non-coding genomic regions. ALU and long interspersed nucleotide element-1 (LINE-1) are non-coding genomic repetitive sequences and methylation of these elements can be used as a surrogate marker for genomewide methylation status. This study was designed to evaluate the changes of ALU and LINE-1 hypomethylation during breast cancer progression from normal to pre-invasive lesions and invasive breast cancer (IBC), and their relations with characteristics of IBC. We analyzed the methylation status of ALU and LINE-1 in 145 cases of breast samples including normal breast tissue (n = 30), atypical ductal hyperplasia/ flat epithelial atypia (ADH/FEA, n = 30), ductal carcinoma in situ (DCIS, n = 35) and IBC (n = 50), and another set of 129 cases of IBC by pyrosequencing. LINE-1 methylation was significantly decreased from normal to ADH/FEA, while ADH/FEA, DCIS and IBC were not different each other. There was no difference in ALU methylation levels during progression of breast cancer. In IBC, ALU hypomethylation was correlated with negative estrogen receptor (ER) status (p = 0.007) and LINE-1 hypomethylation was associated with negative ER status (p<0.001), positive HER2 status (p = 0.005) and p53 overexpression (p = 0.024). ALU-1 and LINE-1 methylation status was significantly different between breast cancer subtype and the HER2+/ER- subtype had significantly lower methylation levels and frequencies than the other subtypes. Our findings suggest that LINE-1 hypomethylation is an early event during breast cancer progression and prominent hypomethylation of ALU and LINE-1 in HER2+/ER- subtype may be related to chromosomal instability of this specific subtype.
Citation Information: Cancer Res 2013;73(24 Suppl): Abstract nr P2-06-06.
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Affiliation(s)
- HY Jung
- Seoul National University Bundang Hospital, Seongnam, Gyoenggido, Korea; Seoul National University College of Medicine, Seoul, Korea; Laboratory of Epigenetics, Cancer Research Institute, Seoul National University, Seoul, Korea
| | - SY Park
- Seoul National University Bundang Hospital, Seongnam, Gyoenggido, Korea; Seoul National University College of Medicine, Seoul, Korea; Laboratory of Epigenetics, Cancer Research Institute, Seoul National University, Seoul, Korea
| | - N Jung
- Seoul National University Bundang Hospital, Seongnam, Gyoenggido, Korea; Seoul National University College of Medicine, Seoul, Korea; Laboratory of Epigenetics, Cancer Research Institute, Seoul National University, Seoul, Korea
| | - N-Y Cho
- Seoul National University Bundang Hospital, Seongnam, Gyoenggido, Korea; Seoul National University College of Medicine, Seoul, Korea; Laboratory of Epigenetics, Cancer Research Institute, Seoul National University, Seoul, Korea
| | - GH Kang
- Seoul National University Bundang Hospital, Seongnam, Gyoenggido, Korea; Seoul National University College of Medicine, Seoul, Korea; Laboratory of Epigenetics, Cancer Research Institute, Seoul National University, Seoul, Korea
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Mainberger F, Jung N, Zenker M, Delvendahl I, Brandt A, Freudenberg L, Heinen F, Mall V. P 167. Attention dependent induction of synaptic plasticity in healthy controls and patients with Noonan syndrome. Clin Neurophysiol 2013. [DOI: 10.1016/j.clinph.2013.04.244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Ehren K, Hertenstein C, Kümmerle T, Vehreschild JJ, Fischer J, Gillor D, Wyen C, Lehmann C, Cornely OA, Jung N, Gravemann S, Platten M, Wasmuth JC, Rockstroh JK, Boesecke C, Schwarze-Zander C, Fätkenheuer G. Causes of death in HIV-infected patients from the Cologne-Bonn cohort. Infection 2013; 42:135-40. [PMID: 24081925 DOI: 10.1007/s15010-013-0535-7] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2013] [Accepted: 09/14/2013] [Indexed: 11/28/2022]
Abstract
PURPOSE Causes of death in human immunodeficiency virus (HIV)-infected subjects have changed in countries with high resources over the last several years. Acquired immunodeficiency syndrome (AIDS)-related diseases have become less prevalent, whereas deaths due to non-AIDS causes are increasing. The aim of the present study was to analyse causes of death in the Cologne-Bonn cohort. METHODS Causes of death from the Cologne-Bonn cohort between 2004 and 2010 were systematically recorded using the CoDe algorithm (The Coding Causes of Death in HIV Project). RESULTS In 3,165 patients followed from 2004 to 2010, 182 deaths occurred (5.7 %, 153 males, 29 females). The median age at the time of death was 47 years (range 24-85 years). The most frequent causes of death were AIDS-defining events (n = 60, 33 %), with non-Hodgkin lymphoma (NHL) (n = 29, 16 %) and infections (n = 20, 11 %) being the leading entities in this category. Non-AIDS malignancies accounted for 16 % (n = 29), non-HIV-related infections for 10 % (n = 18), cardiovascular diseases for 7 % (n = 14), suicide or accident for 4 % (n = 7) and liver diseases for 3 % (n = 5) of deaths (unknown n = 47, 26 %). Although the majority of patients (92.5 %) was on antiretroviral therapy (ART), only 50 % were virologically suppressed (HIV-RNA <50 copies/mL) and 44 % had a decreased CD4+ count (<200/μL) at their last visit before death. CONCLUSION One-third of the causes of death in our cohort between 2004 and 2010 was AIDS-related. Since most of these deaths occur with severe immune suppression, they can possibly be prevented by the early diagnosis and treatment of HIV infection. Care providers must be aware of an increased risk for a broad range of diseases in HIV-infected patients and should apply appropriate preventive measures.
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Affiliation(s)
- K Ehren
- First Department of Internal Medicine, University Hospital of Cologne, Kerpener Str. 62, 50937, Cologne, Germany,
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Vehreschild JJ, Morgen G, Cornely OA, Hartmann P, Koch S, Kalka-Moll W, Wyen C, Vehreschild MJGT, Lehmann C, Gillor D, Seifert H, Kremer G, Fätkenheuer G, Jung N. Evaluation of an infectious disease consultation programme in a German tertiary care hospital. Infection 2013; 41:1121-8. [PMID: 23925637 DOI: 10.1007/s15010-013-0512-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2013] [Accepted: 07/16/2013] [Indexed: 12/31/2022]
Abstract
PURPOSE To evaluate a newly implemented infectious disease (ID) consultation service in terms of patient care, outcome and antibiotic prescription and to describe factors influencing adherence to recommendations. METHODS Data from consultations during the first 6 months of the ID consultation program were collected and evaluated. Consultation requests, diagnostic results, treatment outcomes and antibiotic recommendations were categorised. Diagnostic and therapeutic recommendations were assessed and rated for adherence and outcome. Statistical analysis was performed to identify factors influencing adherence and treatment outcome. RESULTS A total of 251 consultations were assessed. In most cases, ID specialists were asked for further advice regarding a previously initiated anti-infective treatment (N = 131, 52 %). In 54 of 195 (28 %) first consultations, the ID specialist proposed a differential diagnosis that differed from that of the working diagnoses submitted with the consultation request, and which was subsequently confirmed in 80 % of these cases. Diagnostic and therapeutic recommendations were made in 190 (76 %) and 240 (96 %) of the consultations, respectively. A change in the current treatment was recommended in 66 % of consultations; 37 % of recommendations were cost-saving and 26 % were cost-neutral. Compliance with diagnostic and therapeutic recommendations was rated as good by pre-specified criteria in 65 and 86 % of consultations, respectively. Treatment outcome was correlated with adherence to diagnostic recommendations (P = 0.012). Twenty-nine patients (16 %) died during the same hospital stay. CONCLUSION Infectious disease consultations may help to establish the correct diagnosis, resulting in the appropriate treatment being provided to a severely sick patient population. Treatment outcome was improved in cases of good diagnostic adherence to the recommendations of the ID specialist.
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Affiliation(s)
- J J Vehreschild
- Department I for Internal Medicine, University Hospital of Cologne, Bettenhaus Ebene 15, Raum 65, 50924, Cologne, Germany,
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Mainberger F, Zenker M, Jung N, Delvendahl I, Brandt A, Freudenberg L, Heinen F, Mall V. Aufmerksamkeitsabhängige Induktion synaptischer Plastizität bei gesunden Probanden und Patienten mit Noonan Syndrom. KLIN NEUROPHYSIOL 2013. [DOI: 10.1055/s-0033-1337170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Mainberger F, Nissen C, Holz J, Jung N, Langer S, Schnekenbühl S, Gleich B, Lausch E, Zabel B, Claus N, Mall V. Effekte von Lovastatin auf kortikaler und Amygdala-abhängiger synaptischer Plastizität im BDNF Val/Met Genotyp. KLIN NEUROPHYSIOL 2013. [DOI: 10.1055/s-0033-1337176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Jung N, Gleich B, Gattinger N, Hoess C, Haug C, Mall V. Induktion kortikaler Plastizität durch biphasische transkranielle Magnetstimulation (TMS) mit Quattropulsen. KLIN NEUROPHYSIOL 2013. [DOI: 10.1055/s-0033-1337163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Jung N, Lehmann C, Rubbert A, Schömig E, Fätkenheuer G, Hartmann P, Taubert D. Organic cation transporters OCT1 and OCT2 determine the accumulation of lamivudine in CD4 cells of HIV-infected patients. Infection 2012; 41:379-85. [PMID: 22875535 DOI: 10.1007/s15010-012-0308-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2012] [Accepted: 07/12/2012] [Indexed: 01/09/2023]
Abstract
PURPOSE Identifying factors that determine concentrations of antiretroviral drugs in CD4 cells are important for improving therapeutic efficacy. Experimental models indicate that the nucleoside reverse transcriptase inhibitor lamivudine is transported by the organic cation transporters 1 and 2 (OCT1 and OCT2, respectively). Here, we tested whether OCT1 and OCT2 contribute to the uptake of lamivudine into native CD4 cells of human immunodeficiency virus (HIV)-infected individuals. METHODS CD4 cells obtained by non-activated cell sorting from 35 individuals with HIV-1 infection were incubated with lamivudine (10 μM, 30 min), and intracellular concentrations of lamivudine and its active metabolite lamivudine triphosphate were determined by liquid chromatography tandem mass spectrometry. The expression of OCT1 and OCT2 mRNA was measured by quantitative real-time polymerase chain reaction (PCR). A model of OCT2-transfected CD4 cells was established for mechanistic investigations. RESULTS Intracellular concentrations of lamivudine and its active metabolite lamivudine triphosphate showed strong linear correlations with each other and with the CD4 mRNA expression of OCT1 and OCT2 (r > 0.80). Coincubation with protease inhibitors (ritonavir, nelfinavir) that inhibit OCT1 and OCT2 yielded decreased intracellular concentrations of lamivudine and lamivudine triphosphate. Incubation of CD4 cells from healthy donors transfected with an OCT2 expression vector yielded increased concentrations of lamivudine and lamivudine triphosphate. CONCLUSION Our studies indicate a role of OCT1 and OCT2 for the cellular accumulation of lamivudine in HIV-infected individuals.
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Affiliation(s)
- N Jung
- First Department of Internal Medicine, Medical Hospital of the University of Cologne, Kerpener Str. 62, 50937, Cologne, Germany.
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Jung N, Kümmerle T, Brengelmann SD, Gielen J, Lehmann C, Wyen C, Birtel A, Fischer J, Gillor D, Koch S, Vehreschild JJ, Cornely OA, Fätkenheuer G. Liver involvement in HIV-infected patients diagnosed with syphilis. Infection 2012; 40:543-7. [PMID: 22531883 DOI: 10.1007/s15010-012-0264-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2011] [Accepted: 04/04/2012] [Indexed: 11/30/2022]
Abstract
PURPOSE Liver involvement in syphilis has been studied in cohorts of human immunodeficiency virus (HIV)-negative individuals despite the scarcity of data on such HIV-infected patients. Th aim of this study was to assess hepatic involvement of HIV-infected patients diagnosed with syphilis. METHODS Patients with syphilis and liver involvement, including all stages of syphilis, were systematically identified in our HIV cohort between 2004 and 2008. RESULTS Of the 1,599 HIV-infected patients identified during the study period, 100 were diagnosed with acute syphilis, all of whom were male. Of these 100 patients, 84% were men who have sex with men. Laboratory parameters of liver involvement were present in 19 of the 100 HIV-infected patients with syphilis; these resolved after successful antibiotic treatment. Among these 19 patients, six were diagnosed to be in the latent stage, with elevated liver enzymes and parameters of inflammation representing the only distinctive feature. CONCLUSIONS Based on our results, syphilis should be included in the differential diagnosis of increased liver enzymes in HIV-infected patients.
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Affiliation(s)
- N Jung
- First Department of Internal Medicine, Medical Hospital of the University of Cologne, Cologne, Germany.
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