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List EO, Basu R, Berryman DE, Duran-Ortiz S, Martos-Moreno GÁ, Kopchick JJ. Common and uncommon mouse models of growth hormone deficiency. Endocr Rev 2024:bnae017. [PMID: 38853618 DOI: 10.1210/endrev/bnae017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 04/22/2024] [Accepted: 05/31/2024] [Indexed: 06/11/2024]
Abstract
Mouse models of growth hormone deficiency (GHD) have provided important tools for uncovering the various actions of GH. Nearly 100 years of research using these mouse lines has greatly enhanced our knowledge of the GH/IGF-1 axis. Some of the shared phenotypes of the five "common" mouse models of GHD include reduced body size, delayed sexual maturation, decreased fertility, reduced muscle mass, increased adiposity, and enhanced insulin sensitivity. Since these common mouse lines outlive their normal-sized littermates - and have protection from age-associated disease - they have become important fixtures in the aging field. On the other hand, the twelve "uncommon" mouse models of GHD described herein have tremendously divergent health outcomes ranging from beneficial aging phenotypes (similar to those described for the common models) to extremely detrimental features (such as improper development of the CNS, numerous sensory organ defects, and embryonic lethality). Moreover, advancements in next generation sequencing technologies have led to the identification of an expanding array of genes that are recognized as causative agents to numerous rare syndromes with concomitant GHD. Accordingly, this review provides researchers with a comprehensive up-to-date collection of the common and uncommon mouse models of GHD that have been used to study various aspects of physiology and metabolism associated with multiple forms of GHD. For each mouse line presented, the closest comparable human syndromes are discussed providing important parallels to the clinic.
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Affiliation(s)
- Edward O List
- Edison Biotechnology Institute, Ohio University, Athens Ohio, 45701, United States
- Department of Specialty Medicine, Heritage College of Osteopathic Medicine, Athens Ohio
| | - Reetobrata Basu
- Edison Biotechnology Institute, Ohio University, Athens Ohio, 45701, United States
| | - Darlene E Berryman
- Edison Biotechnology Institute, Ohio University, Athens Ohio, 45701, United States
- Department of Biomedical Sciences, Heritage College of Osteopathic Medicine, Athens Ohio
| | - Silvana Duran-Ortiz
- Edison Biotechnology Institute, Ohio University, Athens Ohio, 45701, United States
| | - Gabriel Á Martos-Moreno
- Department of Endocrinology & Pediatrics, Hospital Infantil Universitario Niño Jesús, IIS La Princesa & Universidad Autónoma de Madrid. CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
| | - John J Kopchick
- Edison Biotechnology Institute, Ohio University, Athens Ohio, 45701, United States
- Department of Biomedical Sciences, Heritage College of Osteopathic Medicine, Athens Ohio
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Menotti S, Giampietro A, Raia S, Veleno M, Angelini F, Tartaglione T, Gaudino S, Doglietto F, De Marinis L, Pontecorvi A, Bianchi A, Chiloiro S. Unveiling the Etiopathogenic Spectrum of Hypophysitis: A Narrative Review. J Pers Med 2023; 13:1210. [PMID: 37623461 PMCID: PMC10455260 DOI: 10.3390/jpm13081210] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 07/25/2023] [Accepted: 07/27/2023] [Indexed: 08/26/2023] Open
Abstract
Hypophysitis, a rare inflammatory disorder of the pituitary gland, has seen an uptick in reported cases in recent years. Our objective is to summarize the most recent research on the etiopathogenesis, molecular mechanisms, and genetics of both primary and secondary hypophysitis. Primary autoimmune hypophysitis (PAH): During the acute phase of the disease, the pituitary gland in enlarged due to the infiltration of T and B lymphocytes. The chronic phase is characterized by progressive and irreversible pituitary atrophy. APA may play a role in the management, diagnosis, and prognosis of PAH. Specific autoantibodies such as anti-GH, anti-PIT-1, and anti-T-PIT have been found in patients with hypophysitis and hypopituitarism. A recent study suggested that a mechanism of escaping clonal deletion and mounting an immune response against self antigens can explain the unusual nature of the immune response observed in PAH patients. A cytokine array shows the presence of gamma-interferon and interleukin-17. Patients carrying mutations in the PIT1 or PROP1 genes may present PAH. Individuals carrying the HLA DQ8 haplotype are four times more likely to develop PAH. Immune checkpoint inhibitors induce hypophysitis (IIHs): IIHs is an increasingly frequent toxicity of in patients on treatment with inhibitors targeting cytotoxic T-lymphocyte antigen 4 (CTLA-4) and programmed cell death-1 (PD-1). ICIs inhibit the CTLA-4 pathway, leading to overactivation of T lymphocytes. The binding of PD-1/PD-L1 suppresses the activity of T cells, promotes the conversion of T-helpers into T-regulatory cells, and activates pro-survival signaling pathways in cancer cells. Cytokines play a crucial role in IIHs. B-cell infiltration has been observed in IIHs, suggesting that antibody-mediated pituitary injury may contribute. Genetic polymorphisms of CTLA-4 and PD-1 genes can increase the risk of IIHs. HLA alleles may also be involved in the onset of IIHs; this HLA association presents a possible alternative mechanistic hypothesis. IIHs may also be linked to a paraneoplastic syndrome triggered by ectopic expression of pituitary specific antigens. SARS-CoV-2-related hypophysitis: Recently, the literature has reported occurrences of hypophysitis associated with the SARS-CoV-2 virus; long COVID-19 may also present as infundibulo-neuro-hypophysitis. The virus enters the central nervous system because of its distinct interaction with angiotensin-converting enzyme receptors via spike proteins binding the capillary endothelium, and it directly damages the pituitary cells. The effect of SARS-CoV-2 can occur indirectly through inflammation and the release of cytokines. The exact mechanism remains ambiguous. The available data on endocrine complications associated with the SARS-CoV-2 vaccine are scant. Nonetheless, isolated cases of hypophysitis have been documented. Treatment of hypophysitis: Glucocorticoids are the cornerstone in managing primary hypophysitis, given their targeted action on inflammation. A better understanding of the etiopathogenesis and molecular mechanism of hypophysitis can lead to more effective and personalized treatment strategies.
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Affiliation(s)
- Sara Menotti
- Pituitary Unit, Department of Endocrinology and Metabolism, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy; (S.M.); (A.G.); (S.R.); (M.V.); (F.A.); (L.D.M.); (A.P.); (S.C.)
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (T.T.); (S.G.); (F.D.)
| | - Antonella Giampietro
- Pituitary Unit, Department of Endocrinology and Metabolism, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy; (S.M.); (A.G.); (S.R.); (M.V.); (F.A.); (L.D.M.); (A.P.); (S.C.)
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (T.T.); (S.G.); (F.D.)
| | - Salvatore Raia
- Pituitary Unit, Department of Endocrinology and Metabolism, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy; (S.M.); (A.G.); (S.R.); (M.V.); (F.A.); (L.D.M.); (A.P.); (S.C.)
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (T.T.); (S.G.); (F.D.)
| | - Miriam Veleno
- Pituitary Unit, Department of Endocrinology and Metabolism, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy; (S.M.); (A.G.); (S.R.); (M.V.); (F.A.); (L.D.M.); (A.P.); (S.C.)
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (T.T.); (S.G.); (F.D.)
| | - Flavia Angelini
- Pituitary Unit, Department of Endocrinology and Metabolism, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy; (S.M.); (A.G.); (S.R.); (M.V.); (F.A.); (L.D.M.); (A.P.); (S.C.)
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (T.T.); (S.G.); (F.D.)
| | - Tommaso Tartaglione
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (T.T.); (S.G.); (F.D.)
- Department of Radiodiagnostic, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy
| | - Simona Gaudino
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (T.T.); (S.G.); (F.D.)
- Department of Radiodiagnostic, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy
| | - Francesco Doglietto
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (T.T.); (S.G.); (F.D.)
- Department of Neurosurgery, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy
| | - Laura De Marinis
- Pituitary Unit, Department of Endocrinology and Metabolism, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy; (S.M.); (A.G.); (S.R.); (M.V.); (F.A.); (L.D.M.); (A.P.); (S.C.)
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (T.T.); (S.G.); (F.D.)
| | - Alfredo Pontecorvi
- Pituitary Unit, Department of Endocrinology and Metabolism, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy; (S.M.); (A.G.); (S.R.); (M.V.); (F.A.); (L.D.M.); (A.P.); (S.C.)
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (T.T.); (S.G.); (F.D.)
| | - Antonio Bianchi
- Pituitary Unit, Department of Endocrinology and Metabolism, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy; (S.M.); (A.G.); (S.R.); (M.V.); (F.A.); (L.D.M.); (A.P.); (S.C.)
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (T.T.); (S.G.); (F.D.)
| | - Sabrina Chiloiro
- Pituitary Unit, Department of Endocrinology and Metabolism, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy; (S.M.); (A.G.); (S.R.); (M.V.); (F.A.); (L.D.M.); (A.P.); (S.C.)
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (T.T.); (S.G.); (F.D.)
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Chiloiro S, Russo F, Tartaglione T, Capoluongo ED. Molecular and Genetic Immune Biomarkers of Primary and Immune-Therapy Induced Hypophysitis: From Laboratories to the Clinical Practice. J Pers Med 2021; 11:1026. [PMID: 34683167 PMCID: PMC8537090 DOI: 10.3390/jpm11101026] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 09/15/2021] [Accepted: 10/12/2021] [Indexed: 12/12/2022] Open
Abstract
Hypophysitis is a rare and potentially life-threatening disease, characterized by an elevated risk of complications, such as the occurrence of acute central hypoadrenalism, persistent hypopituitarism, or the extension of the inflammatory process to the neighboring neurological structures. In recent years, a large number of cases has been described. The diagnosis of hypophysitis is complex because it is based on clinical and radiological criteria. Due to this, the integration of molecular and genetic biomarkers can help physicians in the diagnosis of hypophysitis and play a role in predicting disease outcome. In this paper, we review current knowledge about molecular and genetic biomarkers of hypophysitis with the aim of suggesting a possible integration of these biomarkers in clinical practice.
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Affiliation(s)
- Sabrina Chiloiro
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, 00168 Roma, Italy
- UOC Endocrinology and Diabetology, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Roma, Italy
| | - Filippo Russo
- Department of Molecular Medicine and Medical Biotechnology, Federico II University-CEINGE, 80126 Naples, Italy;
| | - Tommaso Tartaglione
- Department of Radiological and Haematological Sciences, Università Cattolica del Sacro Cuore, 00168 Roma, Italy;
- Department of Radiology and Diagnostic Imaging, Istituto Dermopatico dell’Immacolata, IDI-IRCCS, 00167 Roma, Italy
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Abstract
Growth hormone deficiency (GHD) is a rare but treatable cause of short stature. The diagnosis requires a careful evaluation of clinical history, physical examination and appropriate interpretation of longitudinal growth, with specific features for each period of life. Other clinical findings, in addition to growth failure, may be present and can be related to the etiology and to associated hormone deficiencies. Despite more than 50 years since the first reports of provocative tests of growth hormone (GH) secretion for the diagnosis of GHD, the interpretation of the results remains a matter of debate. When GHD is confirmed, GH treatment is recommended. Treatment is effective and safe, but requires daily injections during many years, which can affect adherence. At the end of longitudinal growth, during the transition phase, it might be necessary to re-evaluate GH secretion. This review summarizes and updates the recent information related to GHD in children, as well the recommendations for treatment.
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Affiliation(s)
- Margaret C S Boguszewski
- Department of Pediatrics, Endocrine Division (SEMPR), University Hospital, Federal University of Parana, Curitiba, Brazil.
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BOLU S, AŞIK A, ÖZTÜRK Ö. PROP-1 geninde homozigot delesyon mutasyonuna sahip iki kız kardeş. EGE TIP DERGISI 2020. [DOI: 10.19161/etd.834342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Bulut FD, Özdemir Dilek S, Kotan D, Mengen E, Gürbüz F, Yüksel B. Mutations Within the Transcription Factor PROP1 in a Cohort of Turkish Patients with Combined Pituitary Hormone Deficiency. J Clin Res Pediatr Endocrinol 2020; 12:261-268. [PMID: 31948187 PMCID: PMC7499144 DOI: 10.4274/jcrpe.galenos.2020.2019.0191] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
OBJECTIVE Mutations of the genes encoding transcription factors which play important roles in pituitary morphogenesis, differentiation and maturation may lead to combined pituitary hormone deficiency (CPHD). PROP1 gene mutations are reported as the most frequent genetic aetiology of CHPD. The aim of this study was to describe the phenotypes of Turkish CPHD patients and define the frequency of PROP1 mutations. METHODS Fifty-seven CPHD patients from 50 families were screened for PROP1 mutations. The patients were affected by growth hormone (GH) and additional anterior pituitary hormone deficiencies. RESULTS All patients had GH deficiency. In addition, 98.2% had central hypothyroidism, 45.6% had hypogonadotropic hypogonadism, 43.8% had adrenocorticotropic hormone deficiency and 7.1% had prolactin deficiency. Parental consanguinity rate was 50.9% and 14 cases were familial. Mean height standard deviation score (SDS) and weight SDS were -3.8±1.4 and -3.1±2.0, respectively. Of 53 patients with available pituitary imaging, 32 (60.4%) showed abnormalities. None had extra-pituitary abnormalities. Eight index patients had PROP1 gene mutations. Five sporadic patients were homozygous for c.301_302delAG (p.Leu102CysfsTer8) mutation, two siblings had exon 2 deletion, two siblings had complete gene deletion and two siblings were homozygous for the novel c.353A>G (p.Q118R) mutation. The frequency of the PROP1 mutations was 16% in our cohort. Mutation rate was significantly higher in familial cases compared to sporadic cases (42.8% vs 11.6%; p<0.01). CONCLUSION Phenotype of patients regarding hormonal deficiencies, pituitary morphology, presence of extra-pituitary findings, family history of CPHD and parental consanguinity are important for deciding which pituitary transcription factor deficiency should be investigated. PROP1 mutation frequencies vary in different populations and its prevalence is high in Turkish CPHD patients.
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Affiliation(s)
- Fatma Derya Bulut
- Adana City Training and Research Hospital, Clinic of Pediatrics, Adana, Turkey,* Address for Correspondence: Adana City Training and Research Hospital, Clinic of Pediatrics, Adana, Turkey Phone: +90 532 743 27 18 E-mail:
| | - Semine Özdemir Dilek
- Çukurova University Faculty of Medicine, Department of Pediatrics, Division of Pediatric Endocrinology, Adana, Turkey
| | - Damla Kotan
- Çukurova University Faculty of Medicine, Department of Pediatrics, Division of Pediatric Endocrinology, Adana, Turkey
| | - Eda Mengen
- Ankara City Hospital, Children’s Hospital, Clinic of Pediatric Endocrinology, Ankara, Turkey
| | - Fatih Gürbüz
- Çukurova University Faculty of Medicine, Department of Pediatrics, Division of Pediatric Endocrinology, Adana, Turkey
| | - Bilgin Yüksel
- Çukurova University Faculty of Medicine, Department of Pediatrics, Division of Pediatric Endocrinology, Adana, Turkey
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Budny B, Zemojtel T, Kaluzna M, Gut P, Niedziela M, Obara-Moszynska M, Rabska-Pietrzak B, Karmelita-Katulska K, Stajgis M, Ambroziak U, Bednarczuk T, Wrotkowska E, Bukowska-Olech E, Jamsheer A, Ruchala M, Ziemnicka K. SEMA3A and IGSF10 Are Novel Contributors to Combined Pituitary Hormone Deficiency (CPHD). Front Endocrinol (Lausanne) 2020; 11:368. [PMID: 32612575 PMCID: PMC7308526 DOI: 10.3389/fendo.2020.00368] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Accepted: 05/11/2020] [Indexed: 12/13/2022] Open
Abstract
Background: The mutation frequencies of pituitary transcription factors genes in patients with combined pituitary hormone deficiencies (CPHD) vary substantially between populations. However, apart from PROP1 the mutation rate of other genes is low and for almost half of the patients with CPHD the routine sequencing of known genes is unsuccessful in the identification of genetic causes. Methods: A cohort of 66 sporadic and nine familial CPHD cases (80 patients in total) were subjected to initial testing of the genes PROP1, POU1F1, LHX3, LHX4, and HESX1 using a targeted gene panel and MLPA. In patients who tested negative, a whole exome sequencing approach was employed. Results: In nine of the familial cases and 32 of the sporadic patients mutations in the PROP1 gene were found (the common pathogenic variants included c.301_302delAG and c.150delA). Mutations were also found in genes so far not related directly to CPHD. A unique homozygous and clinically relevant variant was identified in the SEMA3A gene, which may contribute to neural development and his phenotypic spectrum including short stature and isolated hypogonadotropic hypogonadism (IHH). Another pathogenic variant p.A1672T was found in the IGSF10 gene reported to be responsible for delayed puberty and neuronal migration during embryogenesis. Several suspected novel but predicted benign variants were also identified for the CHD7, WDR11 and FGF17 genes. Conclusion: Although PROP1 defects account for a majority of CPHD patients, identification of rare, less frequent variants constitutes a big challenge. Multiple genetic factors responsible for CPHD are still awaiting discovery and therefore the usage of efficient genomic tools (i.e., whole exome sequencing) will further broaden our knowledge regarding pituitary development and function.
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Affiliation(s)
- Bartlomiej Budny
- Department of Endocrinology, Metabolism and Internal Diseases, Poznan University of Medical Sciences, Poznan, Poland
- *Correspondence: Bartlomiej Budny
| | - Tomasz Zemojtel
- Institute for Medical and Human Genetics, Charité-Universitätsmedizin Berlin, Berlin, Germany
- Genomics Platform, Berlin Institute of Health, Berlin, Germany
| | - Malgorzata Kaluzna
- Department of Endocrinology, Metabolism and Internal Diseases, Poznan University of Medical Sciences, Poznan, Poland
| | - Pawel Gut
- Department of Endocrinology, Metabolism and Internal Diseases, Poznan University of Medical Sciences, Poznan, Poland
| | - Marek Niedziela
- Department of Pediatric Endocrinology and Rheumatology, Poznan University of Medical Sciences, Poznan, Poland
| | - Monika Obara-Moszynska
- Department of Pediatric Endocrinology and Rheumatology, Poznan University of Medical Sciences, Poznan, Poland
| | - Barbara Rabska-Pietrzak
- Department of General Radiology and Neuroradiology, Poznan University of Medical Sciences, Poznan, Poland
| | | | - Marek Stajgis
- Department of Pediatric Endocrinology and Rheumatology, Poznan University of Medical Sciences, Poznan, Poland
| | - Urszula Ambroziak
- Department of Internal Medicine and Endocrinology, Medical University of Warsaw, Warsaw, Poland
| | - Tomasz Bednarczuk
- Department of Internal Medicine and Endocrinology, Medical University of Warsaw, Warsaw, Poland
| | - Elzbieta Wrotkowska
- Department of Endocrinology, Metabolism and Internal Diseases, Poznan University of Medical Sciences, Poznan, Poland
| | | | - Aleksander Jamsheer
- Department of Medical Genetics, Poznan University of Medical Sciences, Poznan, Poland
| | - Marek Ruchala
- Department of Endocrinology, Metabolism and Internal Diseases, Poznan University of Medical Sciences, Poznan, Poland
| | - Katarzyna Ziemnicka
- Department of Endocrinology, Metabolism and Internal Diseases, Poznan University of Medical Sciences, Poznan, Poland
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