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1. Favorable outcome of empagliflozin treatment in two pediatric glycogen storage disease type 1b patients.

Author

UCL - SSS/DDUV/BCHM - Biochimie-Recherche métabolique, Hexner-Erlichman, Zufit, Veiga da Cunha, Maria, Zehavi, Yoav, Vadasz, Zahava, Sabag, Adi D, Tatour, Sameh, Spiegel, Ronen, UCL - SSS/DDUV/BCHM - Biochimie-Recherche métabolique, Hexner-Erlichman, Zufit, Veiga da Cunha, Maria, Zehavi, Yoav, Vadasz, Zahava, Sabag, Adi D, Tatour, Sameh, and Spiegel, Ronen

Abstract

Glycogen storage disease type 1b (GSD1b) is an ultra-rare autosomal recessive disorder, caused by mutations in gene. Affected patients present with episodes of fasting hypoglycemia and lactic acidosis, hepatomegaly, growth retardation, hyperlipidemia and renal impairment. In addition, patients present neutropenia, neutrophil dysfunction and oral, and skin infections as well as a significant predisposition to develop inflammatory bowel disease (IBD). Low neutrophil counts and function is related to the toxic accumulation of 1,5-anhydroglucitol-6-phosphate (1,5-AG6P). Recently, several reports have shown that off-label treatment with empagliflozin (EMPA), an inhibitor of the renal glucose transporter SGLT2, decreased blood 1,5-anhydroglucitol (1,5-AG), and neutrophil 1,5-AG6P, thus resulting in a new therapeutic option for neutropenia and neutrophil dysfunction in patients. Off-label treatment with EMPA was established in two GSD1b patients after signed informed consent. The patients were followed clinically. We monitored neutrophil counts and function, 1,5-AG levels in plasma and its renal clearance before and during EMPA treatment. A 17 year-old girl who had long standing oral ulcers and developed IBD, requiring systemic steroid and regular granulocyte colony-stimulating factor (GCSF) therapy and an 8 year-old boy who had steady non healing oral lesions were treated with empagliflozin during 18-24 months. Treatment led to increase of neutrophil counts and function with substantial clinical improvement. This included remission of IBD in the first patient which allowed to discontinue both GCSF and steroid therapy and resolution of oral lesions in both patients. The concentration of 1,5-AG in blood was greatly decreased within two weeks of treatment and remained stable thereafter. Repurposing of empagliflozin to treat neutropenia in two GSD1b patients was safe and resulted in the urinary excretion of 1,5-AG, the normalization of neutrophil function, and a remarkable im

Published
2022

2. The international EAACI/GA²LEN/EuroGuiDerm/APAAACI guideline for the definition, classification, diagnosis, and management of urticaria

Author

Zuberbier, Torsten, Abdul Latiff, Amir Hamzah, Abuzakouk, Mohamed, Aquilina, Susan, Asero, Riccardo, Baker, Diane, Ballmer-Weber, Barbara, Bangert, Christine, Ben-Shoshan, Moshe, Bernstein, Jonathan A., Bindslev-Jensen, Carsten, Brockow, Knut, Brzoza, Zenon, Chong Neto, Herberto Jose, Church, Martin K., Criado, Paulo R., Danilycheva, Inna V., Dressler, Corinna, Ensina, Luis Felipe, Fonacier, Luz, Gaskins, Matthew, Gáspár, Krisztian, Gelincik, Aslı, Giménez-Arnau, Ana, Godse, Kiran, Gonçalo, Margarida, Grattan, Clive, Grosber, Martine, Hamelmann, Eckard, Hébert, Jacques, Hide, Michihiro, Kaplan, Allen, Kapp, Alexander, Kessel, Aharon, Kocatürk, Emek, Kulthanan, Kanokvalai, Larenas-Linnemann, Désirée, Lauerma, Antti, Leslie, Tabi A., Magerl, Markus, Makris, Michael, Meshkova, Raisa Y., Metz, Martin, Micallef, Daniel, Mortz, Charlotte G., Nast, Alexander, Oude-Elberink, Hanneke, Pawankar, Ruby, Pigatto, Paolo D., Ratti Sisa, Hector, Rojo Gutiérrez, María Isabel, Saini, Sarbjit S., Schmid-Grendelmeier, Peter, Sekerel, Bulent E., Siebenhaar, Frank, Siiskonen, Hanna, Soria, Angele, Staubach-Renz, Petra, Stingeni, Luca, Sussman, Gordon, Szegedi, Andrea, Thomsen, Simon Francis, Vadasz, Zahava, Vestergaard, Christian, Wedi, Bettina, Zhao, Zuotao, Maurer, Marcus, Zuberbier, Torsten, Abdul Latiff, Amir Hamzah, Abuzakouk, Mohamed, Aquilina, Susan, Asero, Riccardo, Baker, Diane, Ballmer-Weber, Barbara, Bangert, Christine, Ben-Shoshan, Moshe, Bernstein, Jonathan A., Bindslev-Jensen, Carsten, Brockow, Knut, Brzoza, Zenon, Chong Neto, Herberto Jose, Church, Martin K., Criado, Paulo R., Danilycheva, Inna V., Dressler, Corinna, Ensina, Luis Felipe, Fonacier, Luz, Gaskins, Matthew, Gáspár, Krisztian, Gelincik, Aslı, Giménez-Arnau, Ana, Godse, Kiran, Gonçalo, Margarida, Grattan, Clive, Grosber, Martine, Hamelmann, Eckard, Hébert, Jacques, Hide, Michihiro, Kaplan, Allen, Kapp, Alexander, Kessel, Aharon, Kocatürk, Emek, Kulthanan, Kanokvalai, Larenas-Linnemann, Désirée, Lauerma, Antti, Leslie, Tabi A., Magerl, Markus, Makris, Michael, Meshkova, Raisa Y., Metz, Martin, Micallef, Daniel, Mortz, Charlotte G., Nast, Alexander, Oude-Elberink, Hanneke, Pawankar, Ruby, Pigatto, Paolo D., Ratti Sisa, Hector, Rojo Gutiérrez, María Isabel, Saini, Sarbjit S., Schmid-Grendelmeier, Peter, Sekerel, Bulent E., Siebenhaar, Frank, Siiskonen, Hanna, Soria, Angele, Staubach-Renz, Petra, Stingeni, Luca, Sussman, Gordon, Szegedi, Andrea, Thomsen, Simon Francis, Vadasz, Zahava, Vestergaard, Christian, Wedi, Bettina, Zhao, Zuotao, and Maurer, Marcus

Abstract

This update and revision of the international guideline for urticaria was developed following the methods recommended by Cochrane and the Grading of Recommendations Assessment, Development and Evaluation (GRADE) working group. It is a joint initiative of the Dermatology Section of the European Academy of Allergology and Clinical Immunology (EAACI), the Global Allergy and Asthma European Network (GA²LEN) and its Urticaria and Angioedema Centers of Reference and Excellence (UCAREs and ACAREs), the European Dermatology Forum (EDF; EuroGuiDerm), and the Asia Pacific Association of Allergy, Asthma and Clinical Immunology with the participation of 64 delegates of 50 national and international societies and from 31 countries. The consensus conference was held on 3 December 2020. This guideline was acknowledged and accepted by the European Union of Medical Specialists (UEMS). Urticaria is a frequent, mast cell–driven disease that presents with wheals, angioedema, or both. The lifetime prevalence for acute urticaria is approximately 20%. Chronic spontaneous or inducible urticaria is disabling, impairs quality of life, and affects performance at work and school. This updated version of the international guideline for urticaria covers the definition and classification of urticaria and outlines expert-guided and evidence-based diagnostic and therapeutic approaches for the different subtypes of urticaria.

Published
2022

3. The international EAACI/GA²LEN/EuroGuiDerm/APAAACI guideline for the definition, classification, diagnosis, and management of urticaria

Author

Zuberbier, Torsten, Abdul Latiff, Amir Hamzah, Abuzakouk, Mohamed, Aquilina, Susan, Asero, Riccardo, Baker, Diane, Ballmer-Weber, Barbara, Bangert, Christine, Ben-Shoshan, Moshe, Bernstein, Jonathan A., Bindslev-Jensen, Carsten, Brockow, Knut, Brzoza, Zenon, Chong Neto, Herberto Jose, Church, Martin K., Criado, Paulo R., Danilycheva, Inna V., Dressler, Corinna, Ensina, Luis Felipe, Fonacier, Luz, Gaskins, Matthew, Gáspár, Krisztian, Gelincik, Aslı, Giménez-Arnau, Ana, Godse, Kiran, Gonçalo, Margarida, Grattan, Clive, Grosber, Martine, Hamelmann, Eckard, Hébert, Jacques, Hide, Michihiro, Kaplan, Allen, Kapp, Alexander, Kessel, Aharon, Kocatürk, Emek, Kulthanan, Kanokvalai, Larenas-Linnemann, Désirée, Lauerma, Antti, Leslie, Tabi A., Magerl, Markus, Makris, Michael, Meshkova, Raisa Y., Metz, Martin, Micallef, Daniel, Mortz, Charlotte G., Nast, Alexander, Oude-Elberink, Hanneke, Pawankar, Ruby, Pigatto, Paolo D., Ratti Sisa, Hector, Rojo Gutiérrez, María Isabel, Saini, Sarbjit S., Schmid-Grendelmeier, Peter, Sekerel, Bulent E., Siebenhaar, Frank, Siiskonen, Hanna, Soria, Angele, Staubach-Renz, Petra, Stingeni, Luca, Sussman, Gordon, Szegedi, Andrea, Thomsen, Simon Francis, Vadasz, Zahava, Vestergaard, Christian, Wedi, Bettina, Zhao, Zuotao, Maurer, Marcus, Zuberbier, Torsten, Abdul Latiff, Amir Hamzah, Abuzakouk, Mohamed, Aquilina, Susan, Asero, Riccardo, Baker, Diane, Ballmer-Weber, Barbara, Bangert, Christine, Ben-Shoshan, Moshe, Bernstein, Jonathan A., Bindslev-Jensen, Carsten, Brockow, Knut, Brzoza, Zenon, Chong Neto, Herberto Jose, Church, Martin K., Criado, Paulo R., Danilycheva, Inna V., Dressler, Corinna, Ensina, Luis Felipe, Fonacier, Luz, Gaskins, Matthew, Gáspár, Krisztian, Gelincik, Aslı, Giménez-Arnau, Ana, Godse, Kiran, Gonçalo, Margarida, Grattan, Clive, Grosber, Martine, Hamelmann, Eckard, Hébert, Jacques, Hide, Michihiro, Kaplan, Allen, Kapp, Alexander, Kessel, Aharon, Kocatürk, Emek, Kulthanan, Kanokvalai, Larenas-Linnemann, Désirée, Lauerma, Antti, Leslie, Tabi A., Magerl, Markus, Makris, Michael, Meshkova, Raisa Y., Metz, Martin, Micallef, Daniel, Mortz, Charlotte G., Nast, Alexander, Oude-Elberink, Hanneke, Pawankar, Ruby, Pigatto, Paolo D., Ratti Sisa, Hector, Rojo Gutiérrez, María Isabel, Saini, Sarbjit S., Schmid-Grendelmeier, Peter, Sekerel, Bulent E., Siebenhaar, Frank, Siiskonen, Hanna, Soria, Angele, Staubach-Renz, Petra, Stingeni, Luca, Sussman, Gordon, Szegedi, Andrea, Thomsen, Simon Francis, Vadasz, Zahava, Vestergaard, Christian, Wedi, Bettina, Zhao, Zuotao, and Maurer, Marcus

Abstract

This update and revision of the international guideline for urticaria was developed following the methods recommended by Cochrane and the Grading of Recommendations Assessment, Development and Evaluation (GRADE) working group. It is a joint initiative of the Dermatology Section of the European Academy of Allergology and Clinical Immunology (EAACI), the Global Allergy and Asthma European Network (GA²LEN) and its Urticaria and Angioedema Centers of Reference and Excellence (UCAREs and ACAREs), the European Dermatology Forum (EDF; EuroGuiDerm), and the Asia Pacific Association of Allergy, Asthma and Clinical Immunology with the participation of 64 delegates of 50 national and international societies and from 31 countries. The consensus conference was held on 3 December 2020. This guideline was acknowledged and accepted by the European Union of Medical Specialists (UEMS). Urticaria is a frequent, mast cell–driven disease that presents with wheals, angioedema, or both. The lifetime prevalence for acute urticaria is approximately 20%. Chronic spontaneous or inducible urticaria is disabling, impairs quality of life, and affects performance at work and school. This updated version of the international guideline for urticaria covers the definition and classification of urticaria and outlines expert-guided and evidence-based diagnostic and therapeutic approaches for the different subtypes of urticaria.

Published
2022

4. The international EAACI/GA(2)LEN/EuroGuiDerm/APAAACI guideline for the definition, classification, diagnosis, and management of urticaria

Author

Göncü, Özgür Emek Kocatürk (ORCID 0000-0003-2801-0959 & YÖK ID 217219), Zuberbier, Torsten; Abdul Latiff, Amir Hamzah; Abuzakouk, Mohamed; Aquilina, Susan; Asero, Riccardo; Baker, Diane; Ballmer-Weber, Barbara; Bangert, Christine; Ben-Shoshan, Moshe; Bernstein, Jonathan A.; Bindslev-Jensen, Carsten; Brockow, Knut; Brzoza, Zenon; Chong Neto, Herberto Jose; Church, Martin K.; Criado, Paulo R.; Danilycheva, Inna V.; Dressler, Corinna; Ensina, Luis Felipe; Fonacier, Luz; Gaskins, Matthew; Gaspar, Krisztian; Gelincik, Asli; Gimenez-Arnau, Ana; Godse, Kiran; Goncalo, Margarida; Grattan, Clive; Grosber, Martine; Hamelmann, Eckard; Hebert, Jacques; Hide, Michihiro; Kaplan, Allen; Kapp, Alexander; Kessel, Aharon; Kulthanan, Kanokvalai; Larenas-Linnemann, Desiree; Lauerma, Antti; Leslie, Tabi A.; Magerl, Markus; Makris, Michael; Meshkova, Raisa Y.; Metz, Martin; Micallef, Daniel; Mortz, Charlotte G.; Nast, Alexander; Oude-Elberink, Hanneke; Pawankar, Ruby; Pigatto, Paolo D.; Ratti Sisa, Hector; Rojo Gutierrez, Maria Isabel; Saini, Sarbjit S.; Schmid-Grendelmeier, Peter; Sekerel, Bulent E.; Siebenhaar, Frank; Siiskonen, Hanna; Soria, Angele; Staubach-Renz, Petra; Stingeni, Luca; Sussman, Gordon; Szegedi, Andrea; Thomsen, Simon Francis; Vadasz, Zahava; Vestergaard, Christian; Wedi, Bettina; Zhao, Zuotao; Maurer, Marcus, School of Medicine, Göncü, Özgür Emek Kocatürk (ORCID 0000-0003-2801-0959 & YÖK ID 217219), Zuberbier, Torsten; Abdul Latiff, Amir Hamzah; Abuzakouk, Mohamed; Aquilina, Susan; Asero, Riccardo; Baker, Diane; Ballmer-Weber, Barbara; Bangert, Christine; Ben-Shoshan, Moshe; Bernstein, Jonathan A.; Bindslev-Jensen, Carsten; Brockow, Knut; Brzoza, Zenon; Chong Neto, Herberto Jose; Church, Martin K.; Criado, Paulo R.; Danilycheva, Inna V.; Dressler, Corinna; Ensina, Luis Felipe; Fonacier, Luz; Gaskins, Matthew; Gaspar, Krisztian; Gelincik, Asli; Gimenez-Arnau, Ana; Godse, Kiran; Goncalo, Margarida; Grattan, Clive; Grosber, Martine; Hamelmann, Eckard; Hebert, Jacques; Hide, Michihiro; Kaplan, Allen; Kapp, Alexander; Kessel, Aharon; Kulthanan, Kanokvalai; Larenas-Linnemann, Desiree; Lauerma, Antti; Leslie, Tabi A.; Magerl, Markus; Makris, Michael; Meshkova, Raisa Y.; Metz, Martin; Micallef, Daniel; Mortz, Charlotte G.; Nast, Alexander; Oude-Elberink, Hanneke; Pawankar, Ruby; Pigatto, Paolo D.; Ratti Sisa, Hector; Rojo Gutierrez, Maria Isabel; Saini, Sarbjit S.; Schmid-Grendelmeier, Peter; Sekerel, Bulent E.; Siebenhaar, Frank; Siiskonen, Hanna; Soria, Angele; Staubach-Renz, Petra; Stingeni, Luca; Sussman, Gordon; Szegedi, Andrea; Thomsen, Simon Francis; Vadasz, Zahava; Vestergaard, Christian; Wedi, Bettina; Zhao, Zuotao; Maurer, Marcus, and School of Medicine

Abstract

This update and revision of the international guideline for urticaria was developed following the methods recommended by Cochrane and the Grading of Recommendations Assessment, Development and Evaluation (GRADE) working group. It is a joint initiative of the Dermatology Section of the European Academy of Allergology and Clinical Immunology (EAACI), the Global Allergy and Asthma European Network (GA(2)LEN) and its Urticaria and Angioedema Centers of Reference and Excellence (UCAREs and ACAREs), the European Dermatology Forum (EDF; EuroGuiDerm), and the Asia Pacific Association of Allergy, Asthma and Clinical Immunology with the participation of 64 delegates of 50 national and international societies and from 31 countries. The consensus conference was held on 3 December 2020. This guideline was acknowledged and accepted by the European Union of Medical Specialists (UEMS). Urticaria is a frequent, mast cell-driven disease that presents with wheals, angioedema, or both. The lifetime prevalence for acute urticaria is approximately 20%. Chronic spontaneous or inducible urticaria is disabling, impairs quality of life, and affects performance at work and school. This updated version of the international guideline for urticaria covers the definition and classification of urticaria and outlines expert-guided and evidence-based diagnostic and therapeutic approaches for the different subtypes of urticaria., Urticaria and Angioedema Centers of Reference and Excellence (UCAREs and ACAREs); European Union (EU); 6th Framework Programme; Global Allergy and Asthma European Network (GA2LEN); European Academy of Allergology and Clinical Immunology (EAACI); Asia Pacific Association of Allergy, Asthma and Clinical Immunology (APAAACI); European Dermatology Forum (EDF)

Published
2021

5. The global impact of the COVID-19 pandemic on the management and course of chronic urticaria

Author

Kocatürk, Emek, Salman, Andaç, Cherrez-Ojeda, Ivan, Criado, Paulo Ricardo, Peter, Jonny, Comert-Ozer, Elif, Abuzakouk, Mohamed, Agondi, Rosana Câmara, Al-Ahmad, Mona, Altrichter, Sabine, Arnaout, Rand, Arruda, Luisa Karla, Asero, Riccardo, Bauer, Andrea, Ben-Shoshan, Moshe, Bernstein, Jonathan A., Bizjak, Mojca, Boccon-Gibod, Isabelle, Bonnekoh, Hanna, Bouillet, Laurence, Brzoza, Zenon, Busse, Paula, Campos, Regis A., Carne, Emily, Conlon, Niall, Criado, Roberta F., de Souza Lima, Eduardo M., Demir, Semra, Dissemond, Joachim, Doğan Günaydın, Sibel, Dorofeeva, Irina, Ensina, Luis Felipe, Ertaş, Ragıp, Ferrucci, Silvia Mariel, Figueras-Nart, Ignasi, Fomina, Daria, Franken, Sylvie M., Fukunaga, Atsushi, Giménez-Arnau, Ana M., Godse, Kiran, Gonçalo, Margarida, Gotua, Maia, Grattan, Clive, Guillet, Carole, Inomata, Naoko, Jakob, Thilo, Karakaya, Gul, Kasperska-Zając, Alicja, Katelaris, Constance H., Košnik, Mitja, Krasowska, Dorota, Kulthanan, Kanokvalai, Kumaran, M. Sendhil, Lang, Claudia, Larco-Sousa, José Ignacio, Lazaridou, Elisavet, Leslie, Tabi Anika, Lippert, Undine, llosa, Oscar Calderón, Makris, Michael, Marsland, Alexander, Medina, Iris V., Meshkova, Raisa, Palitot, Esther Bastos, Parisi, Claudio A.S., Pickert, Julia, Ramon, German D., Rodríguez-Gonzalez, Mónica, Rosario, Nelson, Rudenko, Michael, Rutkowski, Krzysztof, Sánchez, Jorge, Schliemann, Sibylle, Sekerel, Bulent Enis, Serpa, Faradiba S., Serra-Baldrich, Esther, Song, Zhiqiang, Soria, Angèle, Staevska, Maria, Staubach, Petra, Tagka, Anna, Takahagi, Shunsuke, Thomsen, Simon Francis, Treudler, Regina, Vadasz, Zahava, Valle, Solange Oliveira Rodrigues, Van Doorn, Martijn B.A., Vestergaard, Christian, Wagner, Nicola, Wang, Dahu, Wang, Liangchun, Wedi, Bettina, Xepapadaki, Paraskevi, Yücel, Esra, Zalewska-Janowska, Anna, Zhao, Zuotao, Zuberbier, Torsten, Maurer, Marcus, Kocatürk, Emek, Salman, Andaç, Cherrez-Ojeda, Ivan, Criado, Paulo Ricardo, Peter, Jonny, Comert-Ozer, Elif, Abuzakouk, Mohamed, Agondi, Rosana Câmara, Al-Ahmad, Mona, Altrichter, Sabine, Arnaout, Rand, Arruda, Luisa Karla, Asero, Riccardo, Bauer, Andrea, Ben-Shoshan, Moshe, Bernstein, Jonathan A., Bizjak, Mojca, Boccon-Gibod, Isabelle, Bonnekoh, Hanna, Bouillet, Laurence, Brzoza, Zenon, Busse, Paula, Campos, Regis A., Carne, Emily, Conlon, Niall, Criado, Roberta F., de Souza Lima, Eduardo M., Demir, Semra, Dissemond, Joachim, Doğan Günaydın, Sibel, Dorofeeva, Irina, Ensina, Luis Felipe, Ertaş, Ragıp, Ferrucci, Silvia Mariel, Figueras-Nart, Ignasi, Fomina, Daria, Franken, Sylvie M., Fukunaga, Atsushi, Giménez-Arnau, Ana M., Godse, Kiran, Gonçalo, Margarida, Gotua, Maia, Grattan, Clive, Guillet, Carole, Inomata, Naoko, Jakob, Thilo, Karakaya, Gul, Kasperska-Zając, Alicja, Katelaris, Constance H., Košnik, Mitja, Krasowska, Dorota, Kulthanan, Kanokvalai, Kumaran, M. Sendhil, Lang, Claudia, Larco-Sousa, José Ignacio, Lazaridou, Elisavet, Leslie, Tabi Anika, Lippert, Undine, llosa, Oscar Calderón, Makris, Michael, Marsland, Alexander, Medina, Iris V., Meshkova, Raisa, Palitot, Esther Bastos, Parisi, Claudio A.S., Pickert, Julia, Ramon, German D., Rodríguez-Gonzalez, Mónica, Rosario, Nelson, Rudenko, Michael, Rutkowski, Krzysztof, Sánchez, Jorge, Schliemann, Sibylle, Sekerel, Bulent Enis, Serpa, Faradiba S., Serra-Baldrich, Esther, Song, Zhiqiang, Soria, Angèle, Staevska, Maria, Staubach, Petra, Tagka, Anna, Takahagi, Shunsuke, Thomsen, Simon Francis, Treudler, Regina, Vadasz, Zahava, Valle, Solange Oliveira Rodrigues, Van Doorn, Martijn B.A., Vestergaard, Christian, Wagner, Nicola, Wang, Dahu, Wang, Liangchun, Wedi, Bettina, Xepapadaki, Paraskevi, Yücel, Esra, Zalewska-Janowska, Anna, Zhao, Zuotao, Zuberbier, Torsten, and Maurer, Marcus

Abstract

Introduction: The COVID-19 pandemic dramatically disrupts health care around the globe. The impact of the pandemic on chronic urticaria (CU) and its management are largely unknown. Aim: To understand how CU patients are affected by the COVID-19 pandemic; how specialists alter CU patient management; and the course of CU in patients with COVID-19. Materials and Methods: Our cross-sectional, international, questionnaire-based, multicenter UCARE COVID-CU study assessed the impact of the pandemic on patient consultations, remote treatment, changes in medications, and clinical consequences. Results: The COVID-19 pandemic severely impairs CU patient care, with less than 50% of the weekly numbers of patients treated as compared to before the pandemic. Reduced patient referrals and clinic hours were the major reasons. Almost half of responding UCARE physicians were involved in COVID-19 patient care, which negatively impacted on the care of urticaria patients. The rate of face-to-face consultations decreased by 62%, from 90% to less than half, whereas the rate of remote consultations increased by more than 600%, from one in 10 to more than two thirds. Cyclosporine and systemic corticosteroids, but not antihistamines or omalizumab, are used less during the pandemic. CU does not affect the course of COVID-19, but COVID-19 results in CU exacerbation in one of three patients, with higher rates in patients with severe COVID-19. Conclusions: The COVID-19 pandemic brings major changes and challenges for CU patients and their physicians. The long-term consequences of these changes, especially the increased use of remote consultations, require careful evaluation.

Published
2021

6. Effect of leptin on intestinal re-growth following massive small bowel resection in rat

Author

Section of Pediatric Surgery, Mott Children???s Hospital, University of Michigan, Ann Arbor, MI, USA, Department of Pediatric Surgery B, Rappaport Faculty of Medicine, Technion, Bnai Zion Medical Center, 47 Golomb Street, P.O.B. 4940, 31048, Haifa, Israel, Carmel Medical Center, Haifa, Israel, Ann Arbor, Shiloni, Eitan, Lurie, Michael, Vadasz, Zahava, Coran, Arnold G., Hatoum, Ossama A., Mogilner, Jorge G., Sukhotnik, Igor, Section of Pediatric Surgery, Mott Children???s Hospital, University of Michigan, Ann Arbor, MI, USA, Department of Pediatric Surgery B, Rappaport Faculty of Medicine, Technion, Bnai Zion Medical Center, 47 Golomb Street, P.O.B. 4940, 31048, Haifa, Israel, Carmel Medical Center, Haifa, Israel, Ann Arbor, Shiloni, Eitan, Lurie, Michael, Vadasz, Zahava, Coran, Arnold G., Hatoum, Ossama A., Mogilner, Jorge G., and Sukhotnik, Igor

Abstract

Recent evidence suggests that the adipose tissue-derived cytokine leptin (LEP) is involved in modulation of growth and differentiation of normal small intestine. The purpose of the present study was to evaluate the effects of parenteral LEP on structural intestinal adaptation, cell proliferation and apoptosis in a rat model of short bowel syndrome (SBS). Male Sprague-Dawley rats were divided into three experimental groups: Sham rats underwent bowel transection and re-anastomosis, SBS-rats underwent a 75% small bowel resection, and SBS-LEP-rats underwent bowel resection and were treated with LEP given subcutaneously at a dose of 20????g/kg, once daily, from day 3 through 14. Parameters of intestinal adaptation (bowel and mucosal weights, mucosal DNA and protein, villus height and crypt depth in jejunum and ileum), enterocyte proliferation and enterocyte apoptosis were determined on day 15 following operation. Ileal tissue samples were taken for detection of bax and bcl-2 gene expression using RT-PCR technique. Statistical analysis was performed using the non-parametric Kruskal???Wallis ANOVA test, with P<0.05 considered statistically significant. Treatment with subcutaneous LEP resulted in a significant increase in jejunal (17%, P<0.05) and ileal (13%, P<0.05) bowel weight, jejunal (10%, P<0.05) and ileal (25%, P<0.05) mucosal weight, jejunal (26%, P<0.05) and ileal (38%, P<0.05) mucosal DNA, ileal (25%, P<0.05) mucosal protein, jejunal (41%, P<0.05) and ileal (21%, P<0.05) villus height, jejunal (37%, P<0.05) crypt depth, and jejunal (24%, P<0.05) and ileal (21%, P<0.05) enterocyte proliferation compared to SBS-animals. Enterocyte apoptosis increased significantly after bowel resection in jejunum and ileum compared to sham animals and was accompanied by an increased bax gene expression and a decreased bcl-2 gene expression in ileal samples. SBS-LEP rats showed a trend toward a decrease in enterocyte apoptosis in ileum and a mild decrease in bax gene exp

Published
2006

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