1
|
De Geronimo D, Parravano M, Sacconi R, Fragiotta S, Giannini D, Costanzo E, Varano M, Querques G. Impact of intravitreal anti-VEGF therapy on intraretinal microvascular abnormalities in proliferative diabetic retinopathy. Acta Diabetol 2024; 61:525-528. [PMID: 38302784 DOI: 10.1007/s00592-023-02227-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Accepted: 12/16/2023] [Indexed: 02/03/2024]
Affiliation(s)
| | | | - Riccardo Sacconi
- Department of Ophthalmology, University Vita-Salute, IRCCS San Raffaele, Milan, Italy
| | - Serena Fragiotta
- Department NESMOS, Ophthalmology Unit, S. Andrea Hospital, University of Rome "La Sapienza", Rome, Italy
| | | | | | | | - Giuseppe Querques
- Department of Ophthalmology, University Vita-Salute, IRCCS San Raffaele, Milan, Italy
| |
Collapse
|
2
|
Abstract
An extensive amount of research has been devoted to understanding rape myths, especially in the context of sexual attitudes. Few studies have examined sexual actions as a correlate of rape myth acceptance (RMA). As such, this study utilizes the Updated Illinois Rape Myth Acceptance Scale (IRMA) and its four distinct subscales to examine adherence to rape myths and an individual's view of sex and sexuality in a sample of 1,310 college students. The IRMA was included in its entirety and separated into its four subscales: "She asked for it," "He didn't mean to," "It wasn't really rape," and "She lied." Results indicated that the most impactful variables for all four subscales were adversarial heterosexual beliefs, stereotypical gender beliefs, and being male. The main implications of this study pertain to implementation of programming. Intervention programming should focus on younger males due to their increased adherence to certain rape myths. Furthermore, programs that address not only rape myths but also other traditional and negative belief systems should be employed. Results of this study lend support to the supposition that it is not necessarily individual characteristics that have a large effect on RMA but is instead a strong adherence to traditional belief systems.
Collapse
|
3
|
Cetiner EC, Jonker HRA, Helmling C, Gophane DB, Grünewald C, Sigurdsson ST, Schwalbe H. Paramagnetic-iterative relaxation matrix approach: extracting PRE-restraints from NOESY spectra for 3D structure elucidation of biomolecules. J Biomol NMR 2019; 73:699-712. [PMID: 31606877 DOI: 10.1007/s10858-019-00282-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Accepted: 09/27/2019] [Indexed: 06/10/2023]
Abstract
Paramagnetic relaxation enhancement (PRE) can be used to determine long-range distance restraints in biomolecules. The PREs are typically determined by analysis of intensity differences in HSQC experiments of paramagnetic and diamagnetic spin labels. However, this approach requires both isotope- and spin-labelling. Herein, we report a novel method to evaluate NOESY intensities in the presence of a paramagnetic moiety to determine PRE restraints. The advantage of our approach over HSQC-based approaches is the increased number of available signals without the need for isotope labelling. NOESY intensities affected by a paramagnetic center were evaluated during a structure calculation within the paramagnetic iterative relaxation matrix approach (P-IRMA). We applied P-IRMA to a 14-mer RNA with a known NMR solution structure, which allowed us to assess the quality of the PRE restraints. To this end, three different spin labels have been attached at different positions of the 14-mer to test the influence of flexibility on the structure calculation. Structural disturbances introduced by the spin label have been evaluated by chemical shift analysis. Furthermore, the impact of P-IRMA on the quality of the structure bundles were tested by intentionally leaving out available diamagnetic restraints. Our analyses show that P-IRMA is a powerful tool to refine RNA structures for systems that are insufficiently described by using only diamagnetic restraints.
Collapse
Affiliation(s)
- E C Cetiner
- Institut für Organische Chemie und Chemische Biologie, Zentrum für Biomolekulare Magnetische Resonanz, Goethe Universität Frankfurt am Main, Max-von-Laue Straße 7, 60438, Frankfurt am Main, Germany
| | - H R A Jonker
- Institut für Organische Chemie und Chemische Biologie, Zentrum für Biomolekulare Magnetische Resonanz, Goethe Universität Frankfurt am Main, Max-von-Laue Straße 7, 60438, Frankfurt am Main, Germany
| | - C Helmling
- Institut für Organische Chemie und Chemische Biologie, Zentrum für Biomolekulare Magnetische Resonanz, Goethe Universität Frankfurt am Main, Max-von-Laue Straße 7, 60438, Frankfurt am Main, Germany
| | - D B Gophane
- Department of Chemistry Science Institute, University of Iceland, Dunhaga 3, 107, Reykjavik, Iceland
| | - C Grünewald
- Institut für Organische Chemie und Chemische Biologie, Zentrum für Biomolekulare Magnetische Resonanz, Goethe Universität Frankfurt am Main, Max-von-Laue Straße 7, 60438, Frankfurt am Main, Germany
| | - S Th Sigurdsson
- Department of Chemistry Science Institute, University of Iceland, Dunhaga 3, 107, Reykjavik, Iceland
| | - H Schwalbe
- Institut für Organische Chemie und Chemische Biologie, Zentrum für Biomolekulare Magnetische Resonanz, Goethe Universität Frankfurt am Main, Max-von-Laue Straße 7, 60438, Frankfurt am Main, Germany.
| |
Collapse
|
4
|
Connolly M, Breeze J. Operation RUMAN and the Ministry of Defence response to Hurricane Irma. J ROY ARMY MED CORPS 2019; 165:436-437. [PMID: 31253653 DOI: 10.1136/jramc-2019-001259] [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] [Received: 06/03/2019] [Revised: 06/09/2019] [Accepted: 06/11/2019] [Indexed: 11/04/2022]
Abstract
Operation RUMAN was the British government's combined military and humanitarian operations in September 2017 to provide relief to the British Overseas Territories in the Caribbean affected by Hurricane Irma. The Ministry of Defence (MoD), in conjunction with the Department for International Development, produced a tangible effect by the delivery of healthcare and a response to a humanitarian disaster with very little time for planning. The rescue element was accomplished within days but this was followed swiftly by a recovery phase requiring a 'whole force approach', with additional assets from non-governmental organisations and the private sector. The aim of this article is to provide information on the role of the Defence Medical Services on behalf of the MoD, and other departmental organisations in achieving the mission of providing medical and logistical support for these British Overseas Territories.
Collapse
Affiliation(s)
| | - J Breeze
- Royal Centre for Defence Medicine, Birmingham, UK .,Department of Maxillofacial Surgery, Queen Elizabeth Hospital Birmingham, Birmingham, UK
| |
Collapse
|
5
|
Ochocińska A, Śnitko R, Czekuć-Kryśkiewicz E, Kępka A, Szalecki M, Janas RM. Evaluation of the immunoradiometric and electrochemiluminescence method for the measurement of serum insulin in children. J Immunoassay Immunochem 2016; 37:243-50. [PMID: 26962675 DOI: 10.1080/15321819.2015.1126601] [Citation(s) in RCA: 4] [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] [Indexed: 01/11/2023]
Abstract
Human insulin is a polypeptide hormone produced, stored, and secreted by the ß-cells in the pancreatic islets of Langerhans. Its secretion is stimulated by an increase of the glucose concentration in circulation. Non-radioactive assays are frequently used in many laboratories to measure hormone concentrations, as an alternative to the traditional "gold standard" radioimmuno- and immunoradiometric assays. The precise and reliable determination of the insulin concentration is an important concern in numerous diagnostic procedures. The aim of this study was to compare two commercially available assays (manual and automated) for measurement of serum insulin concentrations. Aliquots of the 86 randomly selected serum samples were measured by Elecsys Insulin Assay (cobas e411 immunoassay analyzer, Roche Diagnostics GmbH, Mannheim, Germany) and DIAsource INS-IRMA Kit (DIAsource ImmunoAssays S.A., Louvain-la-Neuve, Belgium). Compared assays exhibit good correlation (r = 0.996). Insulin concentrations were on average 4.2 μ IU/mL lower (p < 0.05) with the cobas e411 immunoassay analyzer when compared to those measured with DIAsouce Immunoassay. Our findings suggest that electrochemiluminescence method on the cobas e411 analyzer and manual IRMA method offered by the DIAsource for the serum insulin determination could be considered interchangeable.
Collapse
Affiliation(s)
- Agnieszka Ochocińska
- a Department of Biochemistry, Radioimmunology and Experimental Medicine , The Children's Memorial Health Institute , Warsaw , Poland
| | - Rafał Śnitko
- a Department of Biochemistry, Radioimmunology and Experimental Medicine , The Children's Memorial Health Institute , Warsaw , Poland
| | - Edyta Czekuć-Kryśkiewicz
- a Department of Biochemistry, Radioimmunology and Experimental Medicine , The Children's Memorial Health Institute , Warsaw , Poland
| | - Alina Kępka
- a Department of Biochemistry, Radioimmunology and Experimental Medicine , The Children's Memorial Health Institute , Warsaw , Poland
| | - Mieczysław Szalecki
- b Endocrinology and Diabetes Clinic , The Children's Memorial Health Institute , Warsaw , Poland
| | - Roman M Janas
- a Department of Biochemistry, Radioimmunology and Experimental Medicine , The Children's Memorial Health Institute , Warsaw , Poland
| |
Collapse
|
6
|
Vrinda PC, Paradkar SN, Samuel G, Sivaprasad N. DESIGN OF IMMUNORADIOMETRIC ASSAY FOR GONADOTROPINS USING A COMMON DETECTION ANTIBODY: AN EXPERIENCE. J Immunoassay Immunochem 2014:150527102118001. [PMID: 24654778 DOI: 10.1080/15321819.2014.899252] [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] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
We share our experience in the development of immunoradiometric assay (IRMA) for gonadotropins, FSH and LH using common tracer concept. Commercially procured, monoclonal antibody against 'common epitope' of FSH and LH was radiolabeled and epitope specific monoclonal antibody against β-subunit of FSH and LH was chemically immobilized and used as a capture system. In an inclusive assay procedure developed, 100 µl of respective standard and specific capture antibody was incubated with 100 µl common tracer, for 3 h at RT with shaking. Results of validation tests confirmed the clinical utility of the developed procedure with adequate sensitivity of 1.0 mIU/ml, acceptable precision (imprecision CV ≤ 10%), minimal cross-reaction.
Collapse
Affiliation(s)
- P C Vrinda
- a Radiopharmaceutical Programme, Board of Radiation and Isotope Technology (BRIT), Department of Atomic Energy, BARC Vashi Complex , Navi Mumbai , India
| | | | | | | |
Collapse
|
7
|
Chouthkanthiwar VP, Paradkar SN, Grace S, Nagalingam S. DESIGN OF IMMUNORADIOMETRIC ASSAY FOR GONADOTROPINS USING A COMMON DETECTION ANTIBODY: AN EXPERIENCE. J Immunoassay Immunochem 2013:150527102118001. [PMID: 24359295 DOI: 10.1080/15321819.2013.874356] [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] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
We share our experience in the development of immunoradiometric assay (IRMA) for gonadotropins, FSH and LH using common tracer concept. Commercially procured, monoclonal antibody against 'common epitope' of FSH and LH was radiolabeled and epitope specific monoclonal antibody against β-subunit of FSH and LH was chemically immobilized and used as a capture system. In an inclusive assay procedure developed, 100 µl of respective standard and specific capture antibody was incubated with 100 µl common tracer, for 3 h at RT with shaking. Results of validation tests confirmed the clinical utility of the developed procedure with adequate sensitivity of 1.0 mIU/ml, acceptable precision (imprecision CV ≤ 10%), minimal cross-reaction.
Collapse
Affiliation(s)
- Vrinda Prashant Chouthkanthiwar
- a Department of Atomic Energy , Radiopharmaceutical Programme, Board of Radiation and Isotope Technology (BRIT) , BARC Vashi Complex , Navi Mumbai , India
| | | | | | | |
Collapse
|
8
|
Ruibal A, Herranz M, Arias JI. Clinical and Biological Significance of Cathepsin D Levels in Breast Cancer Cytosol in Women Over 70 years. Biomark Cancer 2012; 4:1-6. [PMID: 24179390 PMCID: PMC3791914 DOI: 10.4137/bic.s9096] [Citation(s) in RCA: 4] [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] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Objective To study cytosolic cathepsin D behavior and possible relationship with other clinical and biological parameters in women affected by breast invasive ductal carcinomas and older than 70 years (range: 71–88). Material and methods cytosolic levels of cathepsin D were determined by an Immunoradiometric Assay (IRMA-CIS France). Clinical and biological factors analyzed were: size, axillary lymph node involvement, distant metastasis, histological grade, ploidy, S phase cell, cytosolic estrogen receptor, progesterone receptor and pS2, and concentrations of epidermal growth factor receptor (EGFR) in cell membranes. Results Cathepsin D concentrations ranged between 13 and 1228 pmol/mg prot.. Median value of 41 was considered as threshold of positivity. Cathepsin D positive tumors showed higher S-phase values (P = 0.046) and were most often histological grade III (P = 0.047). However, the most important finding was the existence of a positive correlation (r = 0.51786) and statistically significant (P < 0.05) between S-phase values and cathepsin D in the overall group of tumors, and those ER+, but not in ER−. We determined cathepsin D concentrations in 131 women with invasive ductal breast carcinomas, but aged between 50 and 70 years (median 61) and we did not find differences based on those values in women >70 years. In addition, we found no correlation between S-phase values and Cathepsin D, both overall and in relation with hormone dependence (ER). Conclusions Those results led us to the following conclusions: (1) cytosolic concentrations of cathepsin D in invasive infiltrating breast carcinomas in women over 70 are similar to those seen in women with the same type of tumor, but aged 50 to 70 years and are associated with increased cell proliferation measured by S phase, and histological grade III; (2) in women older than 70 years, cathepsin D concentrations are statistically significantly correlated with phase synthesis values in hormone-dependent tumors, but not in hormone-independent, fact not observed in infiltrating ductal breast carcinomas of women aged between 50 and 70. This could reflect a different mitogenic role of the aspartyl protease enzyme linked to hormone dependence as age function parameter.
Collapse
Affiliation(s)
- Alvaro Ruibal
- Nuclear Medicine Service, Medicine Faculty, Molecular Imaging Group, IDIS, University Hospital Complex, Travesía de Choupana s/n, 15706-Santiago de Compostela, Spain
| | | | | |
Collapse
|