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Juhász É, Szabó Z, Schally AV, Király J, Fodor P, Kónya G, Dezső B, Szabó E, Halmos G, Kiss C. Expression of Growth Hormone-Releasing Hormone and Its Receptor Splice Variants in a Cohort of Hungarian Pediatric Patients with Hematological and Oncological Disorders: A Pilot Study. Int J Mol Sci 2024; 25:8831. [PMID: 39201517 PMCID: PMC11354965 DOI: 10.3390/ijms25168831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2024] [Revised: 08/09/2024] [Accepted: 08/12/2024] [Indexed: 09/02/2024] Open
Abstract
Hematological and oncological diseases are still among the leading causes of childhood mortality. Expression of growth hormone-releasing hormone (GHRH) and its receptors (GHRH-R) has been previously demonstrated in various human tumors, but very limited findings are available about the presence and potential function of GHRH-Rs in oncological and hematological disorders of children. In this study, we aimed to investigate the expression of mRNA for GHRH and splice variant 1 (SV) of GHRH-R in 15 pediatric hematological/oncological specimens by RT-PCR. The presence and binding characteristics of GHRH-R protein were also studied by Western blot and ligand competition assays. Of the fifteen specimens studied, eleven pediatric samples (73%) showed the expression of mRNA for GHRH. These eleven samples also expressed mRNA for GHRH receptor SV1. GHRH-R protein was found to be expressed in two benign tumor samples and five malignant tumors examined by Western blot. The presence of specific, high affinity binding sites on GHRH-R was demonstrated in all of the seven human pediatric solid tumor samples investigated. Our results show that the expression of GHRH and SV1 of GHRH-R in hemato-oncological diseases in children can pave the way for further investigation of GHRH-Rs as potential molecular targets for diagnosis and therapy.
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Affiliation(s)
- Éva Juhász
- Department of Pediatrics, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary;
| | - Zsuzsanna Szabó
- Department of Biopharmacy, Faculty of Pharmacy, University of Debrecen, 4032 Debrecen, Hungary; (Z.S.); (J.K.); (P.F.); (G.K.)
| | - Andrew V. Schally
- Veterans Affairs Medical Center, Endocrine, Polypeptide and Cancer Institute, Miami, FL 33125, USA;
- Department of Pathology, Miller School of Medicine, University of Miami, Miami, FL 33101, USA
- Department of Medicine, Divisions of Hematology-Oncology and Endocrinology, Miller School of Medicine, University of Miami, Miami, FL 33101, USA
- Sylvester Comprehensive Cancer Center, University of Miami, Miami, FL 33136, USA
| | - József Király
- Department of Biopharmacy, Faculty of Pharmacy, University of Debrecen, 4032 Debrecen, Hungary; (Z.S.); (J.K.); (P.F.); (G.K.)
| | - Petra Fodor
- Department of Biopharmacy, Faculty of Pharmacy, University of Debrecen, 4032 Debrecen, Hungary; (Z.S.); (J.K.); (P.F.); (G.K.)
| | - Gábor Kónya
- Department of Biopharmacy, Faculty of Pharmacy, University of Debrecen, 4032 Debrecen, Hungary; (Z.S.); (J.K.); (P.F.); (G.K.)
| | - Balázs Dezső
- Department of Pathology, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary;
| | - Erzsébet Szabó
- Department of Pharmacology, Faculty of Pharmacy, HUN-REN-DE Pharmamodul Research Group, University of Debrecen, Nagyerdei krt. 98, 4032 Debrecen, Hungary;
| | - Gábor Halmos
- Department of Biopharmacy, Faculty of Pharmacy, University of Debrecen, 4032 Debrecen, Hungary; (Z.S.); (J.K.); (P.F.); (G.K.)
- Veterans Affairs Medical Center, Endocrine, Polypeptide and Cancer Institute, Miami, FL 33125, USA;
| | - Csongor Kiss
- Department of Pediatrics, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary;
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Silveira FM, Kirschnick LB, Só BB, Schuch LF, Pereira Prado V, Sicco E, Lima RR, Bologna-Molina RE, Mosqueda-Taylor A, Vasconcelos ACU, Martins MD. Clinicopathological features of myofibromas and myofibromatosis affecting the oral and maxillofacial region: A systematic review. J Oral Pathol Med 2024; 53:334-340. [PMID: 38711183 DOI: 10.1111/jop.13537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 01/09/2024] [Accepted: 04/08/2024] [Indexed: 05/08/2024]
Abstract
BACKGROUND Myofibromas are rare benign neoplasms composed of myoid cells and myofibroblasts. This study aimed to systematically review case reports and a series of myofibromas (MF) and myofibromatosis (MFT) occurring in the oral and maxillofacial regions in order to describe their main clinicopathological features. METHODS This systematic review was conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Electronic searches were conducted in 2023 in four databases: MEDLINE/PubMed, Web of Science, Scopus, and EMBASE. A manual search and a search in the grey literature were also conducted. The lesions were classified as MF or MFT according to their original report. RESULTS A total of 169 cases were included in this systematic review. Men were slightly more affected, with a painless nodule. When occurring in soft tissue, MF usually developed in the gingiva (mean age:29.23 ± 21.93 years) and when it was intra-osseous, it occurred more frequently in the posterior mandible (mean age:14.33 ± 15.62 years). MFT occurred mainly in the mandible and was predominantly described as well-circumscribed masses of spindle cells organized in fascicles with a prominent vascular activity in a hemangiopericytoma-like pattern. The lesions were mainly positive for smooth muscle actin and vimentin immunomarkers. Surgical excision was the treatment of choice in the majority of cases and recurrence was observed in only three cases. CONCLUSION MF and MFT affect more men, with an indolent clinical course. Intra-osseous tumors and MFT seem to occur more frequently in younger individuals. These lesions seem to have a good prognosis and low recurrence.
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Affiliation(s)
- Felipe Martins Silveira
- Department of Diagnostic Pathology and Oral Medicine, School of Dentistry, Universidad de la República (UDELAR), Montevideo, Uruguay
| | - Laura Borges Kirschnick
- Oral Diagnosis Department, Piracicaba Dental School, University of Campinas, Piracicaba, Brazil
| | - Bruna Barcelos Só
- Department of Oral Pathology, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Lauren Frenzel Schuch
- Department of Diagnostic Pathology and Oral Medicine, School of Dentistry, Universidad de la República (UDELAR), Montevideo, Uruguay
| | - Vanesa Pereira Prado
- Department of Diagnostic Pathology and Oral Medicine, School of Dentistry, Universidad de la República (UDELAR), Montevideo, Uruguay
| | - Estefania Sicco
- Department of Diagnostic Pathology and Oral Medicine, School of Dentistry, Universidad de la República (UDELAR), Montevideo, Uruguay
| | | | - Ronell Eduardo Bologna-Molina
- Department of Diagnostic Pathology and Oral Medicine, School of Dentistry, Universidad de la República (UDELAR), Montevideo, Uruguay
| | | | | | - Manoela Domingues Martins
- Oral Diagnosis Department, Piracicaba Dental School, University of Campinas, Piracicaba, Brazil
- Department of Oral Pathology, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
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Expression of Somatostatin Receptor Subtypes (SSTR-1-SSTR-5) in Pediatric Hematological and Oncological Disorders. Molecules 2020; 25:molecules25235775. [PMID: 33297556 PMCID: PMC7730851 DOI: 10.3390/molecules25235775] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 12/02/2020] [Accepted: 12/03/2020] [Indexed: 12/17/2022] Open
Abstract
Hematological and oncological disorders represent leading causes of childhood mortality. Neuropeptide somatostatin (SST) has been previously demonstrated in various pediatric tumors, but limited information exists on the expression and characteristics of SST receptors (SSTR) in hematological and oncological disorders of children. We aimed to investigate the expression of mRNA for SSTR subtypes (SSTR-1–5) in 15 pediatric hematological/oncological specimens by RT-PCR. The presence and binding characteristics of SSTRs were further studies by ligand competition assay. Our results show that the pediatric tumor samples highly expressed mRNA for the five SSTR subtypes with various patterns. The mRNA for SSTR-2 was detected in all specimens independently of their histological type. A Hodgkin lymphoma sample co-expressed mRNA for all five SSTR subtypes. SSTR-3 and SSTR-5 were detected only in malignant specimens, such as rhabdomyosarcoma, Hodgkin lymphoma, acute lymphoblastic leukemia, and a single nonmalignant condition, hereditary spherocytosis. The incidence of SSTR-1 and SSTR-4 was similar (60%) in the 15 specimens investigated. Radioligand binding studies demonstrated the presence of specific SSTRs and high affinity binding of SST analogs in pediatric solid tumors investigated. The high incidence of SSTRs in hematological and oncological disorders in children supports the merit of further investigation of SSTRs as molecular targets for diagnosis and therapy.
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Ren LZ, Sun R. [Left mandibular infantile myofibromatosis: a case report]. HUA XI KOU QIANG YI XUE ZA ZHI = HUAXI KOUQIANG YIXUE ZAZHI = WEST CHINA JOURNAL OF STOMATOLOGY 2020; 38:594-597. [PMID: 33085248 DOI: 10.7518/hxkq.2020.05.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Infantile myofibromatosis is a rare benign childhood myofibroblastoma. A case of infantile myofibromatosis of the left mandible was reported, and relevant literature was reviewed to discuss the clinical characteristics, pathogenesis, imaging characteristics, pathological characteristics, differential diagnosis, and the treatment of the tumor to improve the understanding of the tumor.
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Affiliation(s)
- Li-Zhi Ren
- Shanxi Medical University School and Hospital of Stomatology, Taiyuan 030001, China
| | - Rui Sun
- Dept. of Oral and Maxillofacial Surgery, Shanxi Provincial People's Hospital, Taiyuan 030012, China
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