Spirydon N Karras (Spyridon Karras, Spyridon N Karras)

Loop profile Scopus Author ID ORCID

Publication Activity (10 Years)

Years Active: 2017-2024
Publications (10 Years): 42

Top Topics

Randomized Controlled Trial

Psychometric Properties

Top Venues

International journal of food sciences and nutrition

The British journal of nutrition

Case reports in genetics

This page only lists publications with an associated author ORCID identifier.

Publications

Paweł Płudowski, William Burgess Grant, Spirydon N Karras, Zittermann Armin, Stefan Pilz
Vitamin D Supplementation: A Review of the Evidence Arguing for a Daily Dose of 2000 International Units (50 µg) of Vitamin D for Adults in the General Population. Nutrients 16 (3) (2024)
Paweł Płudowski, William Burgess Grant, Spirydon N Karras, Zittermann Armin, Stefan Pilz
Vitamin D Supplementation: A Review of the Evidence Arguing for a Daily Dose of 2000 International Units (50 µg) of Vitamin D for Adults in the General Population. Nutrients 16 (3) (2024)
Caroline Charonnat, Dolores Sanchez-Rodriguez, Spirydon N Karras, Duygu Gezen-Ak, Erdinç Dursun, Cedric Annweiler
Efficiency of the Vitamin D Status Diagnosticator amongst Geriatric Patients with COVID-19. Nutrients 16 (6) (2024)
Caroline Charonnat, Dolores Sanchez-Rodriguez, Spirydon N Karras, Duygu Gezen-Ak, Erdinç Dursun, Cedric Annweiler
Efficiency of the Vitamin D Status Diagnosticator amongst Geriatric Patients with COVID-19. Nutrients 16 (6) (2024)
Caroline Charonnat, Dolores Sanchez-Rodriguez, Spirydon N Karras, Duygu Gezen-Ak, Erdinç Dursun, Cedric Annweiler
Efficiency of the Vitamin D Status Diagnosticator amongst Geriatric Patients with COVID-19. Nutrients 16 (6) (2024)
Paweł Płudowski, William Burgess Grant, Spirydon N Karras, Zittermann Armin, Stefan Pilz
Vitamin D Supplementation: A Review of the Evidence Arguing for a Daily Dose of 2000 International Units (50 µg) of Vitamin D for Adults in the General Population. Nutrients 16 (3) (2024)
Paweł Płudowski, William Burgess Grant, Spirydon N Karras, Zittermann Armin, Stefan Pilz
Vitamin D Supplementation: A Review of the Evidence Arguing for a Daily Dose of 2000 International Units (50 µg) of Vitamin D for Adults in the General Population. Nutrients 16 (3) (2024)
Paweł Płudowski, William Burgess Grant, Spirydon N Karras, Zittermann Armin, Stefan Pilz
Vitamin D Supplementation: A Review of the Evidence Arguing for a Daily Dose of 2000 International Units (50 µg) of Vitamin D for Adults in the General Population. Nutrients 16 (3) (2024)
Paweł Płudowski, Beata Kos-Kudła, Mieczysław Walczak, Andrzej Mariusz Fal, Dorota A Zozulinska-Ziolkiewicz, Piotr Sieroszewski, Jarosław Peregud-Pogorzelski, Ryszard Lauterbach, Tomasz Targowski, Andrzej Lewiński, Robert Z Spaczynski, Mirosław Wielgoś, Jarosław Pinkas, Teresa Jackowska, Ewa Helwich, Artur Mazur, Marek Ruchala, Arkadiusz Zygmunt, Mieczysław Szalecki, Artur Tadeusz Bossowski, Justyna Czech-Kowalska, Marek Wójcik, Beata Pyrżak, Michał Aleksander Żmijewski, Paweł Abramowicz, Jerzy Konstantynowicz, Ewa Marcinowska-Suchowierska, Andrius Bleizgys, Spirydon N Karras, William Burgess Grant, Carsten Carlberg, Stefan Pilz, Michael F Holick, Waldemar Misiorowski
Guidelines for Preventing and Treating Vitamin D Deficiency: A 2023 Update in Poland. Nutrients 15 (3) (2023)
Paweł Płudowski, Beata Kos-Kudła, Mieczysław Walczak, Andrzej Mariusz Fal, Dorota A Zozulinska-Ziolkiewicz, Piotr Sieroszewski, Jarosław Peregud-Pogorzelski, Ryszard Lauterbach, Tomasz Targowski, Andrzej Lewiński, Robert Z Spaczynski, Mirosław Wielgoś, Jarosław Pinkas, Teresa Jackowska, Ewa Helwich, Artur Mazur, Marek Ruchala, Arkadiusz Zygmunt, Mieczysław Szalecki, Artur Tadeusz Bossowski, Justyna Czech-Kowalska, Marek Wójcik, Beata Pyrżak, Michał Aleksander Żmijewski, Paweł Abramowicz, Jerzy Konstantynowicz, Ewa Marcinowska-Suchowierska, Andrius Bleizgys, Spirydon N Karras, William Burgess Grant, Carsten Carlberg, Stefan Pilz, Michael F Holick, Waldemar Misiorowski
Guidelines for Preventing and Treating Vitamin D Deficiency: A 2023 Update in Poland. Nutrients 15 (3) (2023)
Marios Anemoulis, Antonios Vlastos, Vasileios Kachtsidis, Spirydon N Karras
Intermittent Fasting in Breast Cancer: A Systematic Review and Critical Update of Available Studies. Nutrients 15 (3) (2023)
Hana M A Fakhoury, Tarek Ziad Arabi, Hani Tamim, Rene F Chun, William Burgess Grant, Martin Hewison, Fatme AlAnouti, Stefan Pilz, Cedric Annweiler, Georgios Tzimagiorgis, Costas Haitoglou, Spirydon N Karras
Associations of Free, Bioavailable, and Total 25-Hydroxyvitamin D with Neonatal Birth Anthropometry and Calcium Homeostasis in Mother-Child Pairs in a Sunny Mediterranean Region. The British journal of nutrition (2023)
Marios Anemoulis, Antonios Vlastos, Vasileios Kachtsidis, Spirydon N Karras
Intermittent Fasting in Breast Cancer: A Systematic Review and Critical Update of Available Studies. Nutrients 15 (3) (2023)
Spirydon N Karras, Theocharis Koufakis, Lilian Adamidou, Georgios Dimakopoulos, Paraskevi Karalazou, Katerina Thisiadou, Pantelis E Zebekakis, Kali Makedou, Kalliopi Kotsa
Different patterns of changes in free 25-hydroxyvitamin D concentrations during intermittent fasting among meat eaters and non-meat eaters and correlations with amino acid intake. International journal of food sciences and nutrition (2023)
Marios Anemoulis, Antonios Vlastos, Vasileios Kachtsidis, Spirydon N Karras
Intermittent Fasting in Breast Cancer: A Systematic Review and Critical Update of Available Studies. Nutrients 15 (3) (2023)
Marios Anemoulis, Antonios Vlastos, Vasileios Kachtsidis, Spirydon N Karras
Intermittent Fasting in Breast Cancer: A Systematic Review and Critical Update of Available Studies. Nutrients 15 (3) (2023)
Spirydon N Karras, Theocharis Koufakis, Djordje S Popovic, Lilian Adamidou, Paraskevi Karalazou, Katerina Thisiadou, Pantelis E Zebekakis, Kali Makedou, Kalliopi Kotsa
A Mediterranean Eating Pattern Combining Energy and Time-Restricted Eating Improves Vaspin and Omentin Concentrations Compared to Intermittent Fasting in Overweight Individuals. Nutrients 15 (24) (2023)
Paweł Płudowski, Beata Kos-Kudła, Mieczysław Walczak, Andrzej Mariusz Fal, Dorota A Zozulinska-Ziolkiewicz, Piotr Sieroszewski, Jarosław Peregud-Pogorzelski, Ryszard Lauterbach, Tomasz Targowski, Andrzej Lewiński, Robert Z Spaczynski, Mirosław Wielgoś, Jarosław Pinkas, Teresa Jackowska, Ewa Helwich, Artur Mazur, Marek Ruchala, Arkadiusz Zygmunt, Mieczysław Szalecki, Artur Tadeusz Bossowski, Justyna Czech-Kowalska, Marek Wójcik, Beata Pyrżak, Michał Aleksander Żmijewski, Paweł Abramowicz, Jerzy Konstantynowicz, Ewa Marcinowska-Suchowierska, Andrius Bleizgys, Spirydon N Karras, William Burgess Grant, Carsten Carlberg, Stefan Pilz, Michael F Holick, Waldemar Misiorowski
Guidelines for Preventing and Treating Vitamin D Deficiency: A 2023 Update in Poland. Nutrients 15 (3) (2023)
Spirydon N Karras, Theocharis Koufakis, Djordje S Popovic, Lilian Adamidou, Paraskevi Karalazou, Katerina Thisiadou, Pantelis E Zebekakis, Kali Makedou, Kalliopi Kotsa
A Mediterranean Eating Pattern Combining Energy and Time-Restricted Eating Improves Vaspin and Omentin Concentrations Compared to Intermittent Fasting in Overweight Individuals. Nutrients 15 (24) (2023)
Fatme Al Anouti, William Burgess Grant, Justin Thomas, Sharifa AlBlooshi, Spirydon N Karras
Associations between Dietary Intake of Vitamin D, Sun Exposure, and Generalized Anxiety among College Women. Nutrients 14 (24) (2022)
Fatme Al Anouti, William Burgess Grant, Justin Thomas, Sharifa AlBlooshi, Spirydon N Karras
Associations between Dietary Intake of Vitamin D, Sun Exposure, and Generalized Anxiety among College Women. Nutrients 14 (24) (2022)
Fatme Al Anouti, William Burgess Grant, Justin Thomas, Sharifa AlBlooshi, Spirydon N Karras
Associations between Dietary Intake of Vitamin D, Sun Exposure, and Generalized Anxiety among College Women. Nutrients 14 (24) (2022)
Stefan Pilz, Christian Trummer, Verena Theiler-Schwetz, Martin R Grübler, Nicolas D Verheyen, Balazs Odler, Spirydon N Karras, Zittermann Armin, Winfried März
Critical Appraisal of Large Vitamin D Randomized Controlled Trials. Nutrients 14 (2) (2022)
Spirydon N Karras, Erdinç Dursun, Merve Alaylıoğlu, Duygu Gezen-Ak, Stefan Pilz, Cedric Annweiler, Fatme Al Anouti
Maternal and Neonatal Vitamin D Binding Protein Polymorphisms and 25-Hydroxyvitamin D Cutoffs as Determinants of Neonatal Birth Anthropometry. Nutrients 14 (18) (2022)
Fatme Al Anouti, William Burgess Grant, Justin Thomas, Sharifa AlBlooshi, Spirydon N Karras
Associations between Dietary Intake of Vitamin D, Sun Exposure, and Generalized Anxiety among College Women. Nutrients 14 (24) (2022)
Verena Theiler-Schwetz, Christian Trummer, Martin R Grübler, Martin H Keppel, Zittermann Armin, Andreas Tomaschitz, Spirydon N Karras, Winfried März, Stefan Pilz, Stephanie Gängler
Effects of Vitamin D Supplementation on 24-Hour Blood Pressure in Patients with Low 25-Hydroxyvitamin D Levels: A Randomized Controlled Trial. Nutrients 14 (7) (2022)
Spirydon N Karras, Erdinç Dursun, Merve Alaylıoğlu, Duygu Gezen-Ak, Cedric Annweiler, Fatme Al Anouti, Hana M A Fakhoury, Alkiviadis F Bais, Dimitrios Kiortsis
Investigating the Role of Functional Polymorphism of Maternal and Neonatal Vitamin D Binding Protein in the Context of 25-Hydroxyvitamin D Cutoffs as Determinants of Maternal-Neonatal Vitamin D Status Profiles in a Sunny Mediterranean Region. Nutrients 13 (9) (2021)
Spirydon N Karras, Erdinç Dursun, Merve Alaylıoğlu, Duygu Gezen-Ak, Cedric Annweiler, Dimitrios Skoutas, Dimosthenis Evangelidis, Dimitrios Kiortsis
Diverse Effects of Combinations of Maternal-Neonatal VDR Polymorphisms and 25-Hydroxyvitamin D Concentrations on Neonatal Birth Anthropometry: Functional Phenocopy Variability Dependence, Highlights the Need for Targeted Maternal 25-Hydroxyvitamin D Cut-Offs during Pregnancy. Nutrients 13 (2) (2021)
Spirydon N Karras, Theocharis Koufakis, Lilian Adamidou, Georgios Dimakopoulos, Paraskevi Karalazou, Katerina Thisiadou, Kali Makedou, Pantelis E Zebekakis, Kalliopi Kotsa
Implementation of Christian Orthodox fasting improves plasma adiponectin concentrations compared with time-restricted eating in overweight premenopausal women. International journal of food sciences and nutrition (2021)
Spirydon N Karras, Theocharis Koufakis, Lilian Adamidou, Georgios Dimakopoulos, Paraskevi Karalazou, Katerina Thisiadou, Kali Makedou, Kalliopi Kotsa
Effects of Christian Orthodox Fasting Versus Time-Restricted Eating on Plasma Irisin Concentrations Among Overweight Metabolically Healthy Individuals. Nutrients 13 (4) (2021)
Mustafa Sait Gönen, Merve Alaylıoğlu, Emre Durcan, Yusuf Özdemir, Serdar Şahin, Dildar Konukoğlu, Okan Kadir Nohut, Seval Ürkmez, Berna Küçükece, İlker İnanç Balkan, Hasan Volkan Kara, Şermin Börekci, Hande Özkaya, Zekayi Kutlubay, Yalım Dikmen, Yılmaz Keskindemirci, Spirydon N Karras, Cedric Annweiler, Duygu Gezen-Ak, Erdinç Dursun
Rapid and Effective Vitamin D Supplementation May Present Better Clinical Outcomes in COVID-19 (SARS-CoV-2) Patients by Altering Serum INOS1, IL1B, IFNg, Cathelicidin-LL37, and ICAM1. Nutrients 13 (11) (2021)
Spirydon N Karras, Erdinç Dursun, Merve Alaylıoglu, Duygu Gezen-Ak, Fatme Al Anouti, Stefan Pilz, Paweł Płudowski, Edward Jude, Kalliopi Kotsa
Upregulation of Irisin and Vitamin D-Binding Protein Concentrations by Increasing Maternal 25-Hydrovitamin D Concentrations in Combination with Specific Genotypes of Vitamin D-Binding Protein Polymorphisms. Nutrients 14 (1) (2021)
Fatme Al Anouti, Mira Mousa, Spirydon N Karras, William Burgess Grant, Zainab Alhalwachi, Laila Abdel-Wareth, Maimunah Hemayet Uddin, Nawal Alkaabi, Guan K Tay, Bassam Mahboub, Habiba S AlSafar
Associations between Genetic Variants in the Vitamin D Metabolism Pathway and Severity of COVID-19 among UAE Residents. Nutrients 13 (11) (2021)
Spirydon N Karras, Cedric Annweiler, Dimitris Kiortsis, Ioannis Koutelidakis, Kalliopi Kotsa
Improving Glucose Homeostasis after Parathyroidectomy for Normocalcemic Primary Hyperparathyroidism with Co-Existing Prediabetes. Nutrients 12 (11) (2020)
Spirydon N Karras, Theocharis Koufakis, Lilian Adamidou, Stergios A Polyzos, Paraskevi Karalazou, Katerina Thisiadou, Pantelis E Zebekakis, Kali Makedou, Kalliopi Kotsa
Similar late effects of a 7-week orthodox religious fasting and a time restricted eating pattern on anthropometric and metabolic profiles of overweight adults. International journal of food sciences and nutrition 72 (2) (2020)
Spirydon N Karras, Theocharis Koufakis, Lilian Adamidou, Vasiliki Antonopoulou, Paraskevi Karalazou, Katerina Thisiadou, Elina Mitrofanova, Hilda M Mulrooney, Andrea Petróczi, Pantelis E Zebekakis, Kali Makedou, Kalliopi Kotsa
Effects of orthodox religious fasting versus combined energy and time restricted eating on body weight, lipid concentrations and glycaemic profile. International journal of food sciences and nutrition 72 (1) (2020)
Theocharis Koufakis, Spirydon N Karras, Omar G Mustafa, Dimos Karangelis, Pantelis E Zebekakis, Kalliopi Kotsa
Into the deep blue sea: A review of the safety of recreational diving in people with diabetes mellitus. European journal of sport science 20 (1) (2019)
William Burgess Grant, Hana M A Fakhoury, Spirydon N Karras, Fatme Al Anouti, Harjit P Bhattoa
Variations in 25-Hydroxyvitamin D in Countries from the Middle East and Europe: The Roles of UVB Exposure and Diet. Nutrients 11 (9) (2019)
Theocharis Koufakis, Amalia Sertedaki, Elizabeth-Barbara Tatsi, Christina-Maria Trakatelli, Spirydon N Karras, Eleni Manthou, Christina Kanaka-Gantenbein, Kalliopi Kotsa
First Report of Diabetes Phenotype due to a Loss-of-Function ABCC8 Mutation Previously Known to Cause Congenital Hyperinsulinism. Case reports in genetics 2019 (2019)
Stefan Pilz, Zittermann Armin, Rima Obeid, Andreas Hahn, Paweł Płudowski, Christian Trummer, Elisabeth Lerchbaum, Faustino R Pérez-López, Spirydon N Karras, Winfried März
The Role of Vitamin D in Fertility and during Pregnancy and Lactation: A Review of Clinical Data. International journal of environmental research and public health 15 (10) (2018)
Theocharis Koufakis, Spirydon N Karras, Pantelis Zebekakis, Ramzi Ajjan, Kalliopi Kotsa
Should the last be first? Questions and dilemmas regarding early short-term insulin treatment in Type 2 Diabetes Mellitus. Expert opinion on biological therapy 18 (11) (2018)
Spirydon N Karras, Stergios A Polyzos, Danforth A Newton, Carol L Wagner, Bruce W Hollis, Jody van den Ouweland, Erdinc Dursun, Duygu Gezen-Ak, Kalliopi Kotsa, Cedric Annweiler, Declan P Naughton
Adiponectin and vitamin D-binding protein are independently associated at birth in both mothers and neonates. Endocrine 59 (1) (2017)